WO2011121732A1 - Label attachment device - Google Patents

Label attachment device Download PDF

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Publication number
WO2011121732A1
WO2011121732A1 PCT/JP2010/055718 JP2010055718W WO2011121732A1 WO 2011121732 A1 WO2011121732 A1 WO 2011121732A1 JP 2010055718 W JP2010055718 W JP 2010055718W WO 2011121732 A1 WO2011121732 A1 WO 2011121732A1
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WO
WIPO (PCT)
Prior art keywords
label
unit
bottle
mounting
camera
Prior art date
Application number
PCT/JP2010/055718
Other languages
French (fr)
Japanese (ja)
Inventor
利之 牛建
清一 松下
Original Assignee
株式会社フジシールインターナショナル
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社フジシールインターナショナル filed Critical 株式会社フジシールインターナショナル
Priority to PCT/JP2010/055718 priority Critical patent/WO2011121732A1/en
Priority to JP2012507957A priority patent/JP5514301B2/en
Publication of WO2011121732A1 publication Critical patent/WO2011121732A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C3/00—Labelling other than flat surfaces
    • B65C3/06—Affixing labels to short rigid containers
    • B65C3/065—Affixing labels to short rigid containers by placing tubular labels around the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/40—Controls; Safety devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
    • G01N21/909—Investigating the presence of flaws or contamination in a container or its contents in opaque containers or opaque container parts, e.g. cans, tins, caps, labels

Definitions

  • the present invention relates to a label mounting apparatus that automatically mounts a label made of a tubular film such as a shrink label on the outer peripheral surface of a body of a container such as a bottle or a PET bottle, and in particular, the label has been mounted using an image taken with a camera.
  • the present invention relates to a label mounting apparatus that can analyze the quality of a container when it becomes defective.
  • FIG. 21 is a diagram illustrating an example of a basic configuration of the label mounting apparatus.
  • the label mounting apparatus 100 includes a bottle supply unit 101, a label supply unit 102, a label delivery unit 103, a rotary type label mounting unit 104, and a bottle unloading unit.
  • the unit 105 has five basic configurations.
  • the bottle supply unit 101 is a part that performs the function of supplying a large number of bottles B to the rotary type label mounting unit 104 at predetermined intervals.
  • the bottle unloading unit 105 is a part that performs the function of unloading the bottle B on which the label L is mounted in the label mounting unit 104 to a subsequent process.
  • a plurality of bottles B are sequentially supplied from the bottle supply position K1 of the label mounting unit 104 by the bottle supply unit 101, and each bottle B moves on the circumference of the label mounting unit 104 and reaches the bottle carry-out position K2.
  • the bottle unloading unit 105 removes the label from the label mounting unit 104.
  • the label supply unit 102 is a part that performs a function of generating a large number of labels L by separating each label L from a label base material M on which a label with the same pattern is continuously printed on a cylindrical, strip-shaped shrink film.
  • the label delivery unit 103 is a part that performs the function of delivering the label L generated at a predetermined interval by the label supply unit 102 to the label mounting unit 104.
  • the label delivery unit 103 has a plurality of take-up members 103a that circulate on a circular orbit. Each label L supplied from the label supply unit 102 at the label supply position K3 is received by each take-up member 103a, and the label delivery unit 103a receives the labels L. Delivered to the label mounting unit 104 at position K4.
  • the label mounting unit 104 is a part that performs a function of mounting each label L delivered from the label delivery unit 103 at the label delivery position K4 to each bottle B received from the bottle delivery unit 101 at the bottle delivery position K1.
  • the rotary type label mounting unit 104 is provided with a bottle holding unit that holds 30 bottles B along the periphery, and a label L is mounted on the bottle B held by the bottle holding unit above each bottle holding unit.
  • a label mounting head (not shown) is provided.
  • the label mounting unit 104 receives the cylindrical label L from the label transfer unit 103 at the label transfer position K4 by moving each label mounting head clockwise on a predetermined circular orbit by a rotating operation.
  • the label mounting unit 104 receives the bottle B from the bottle supply unit 101 when each bottle holding unit passes the bottle supply position K1 on the downstream side.
  • the cylindrical label L received by the label mounting head at the label delivery position K4 while each bottle B moves from the bottle supply position K1 to the bottle carry-out position K2 (during 5/6 rounds on the circular path). Open the bottle and put it on the bottle B so that it covers from above.
  • the label mounting apparatus 100 includes the bottle L, the label supply unit 102, the label delivery unit 103, the rotary label mounting unit 104, and the bottle unloading unit 105, which are linked to each other.
  • B is supplied to the label mounting unit 104, and the label mounting unit 104 opens the cylindrical label L and mounts it on the bottle B while both are moving on the rotary of the label mounting unit 104. Therefore, if each unit does not operate normally, a mounting failure occurs in the bottle B (hereinafter referred to as “labeled bottle”) in which the label L is mounted in the label mounting unit 104.
  • the label L is not properly attached, for example, the label L is placed at a predetermined position on the outer peripheral surface of the body of the bottle B within a predetermined allowable range vertically or horizontally.
  • a positional deviation that is not attached a positional deviation between the vertical direction and the horizontal direction).
  • the label L is photographed with a camera, and a deviation between the photographed image and an inspection standard image prepared in advance is calculated by pattern matching.
  • a deviation between the photographed image and an inspection standard image prepared in advance is calculated by pattern matching.
  • the determination method using the photographed image described above is to determine whether or not the label is attached to the bottle B with the label in the final process, and the purpose is to eliminate the defective product from the label mounting apparatus 100 and perform the subsequent process.
  • only good products are allowed to flow. That is, only the quality of the bottle B with a label carried out from the label mounting apparatus 100 is inspected. Therefore, the captured image is acquired for the bottle B on which the label L is mounted by the label mounting apparatus 100, and the intention is to analyze from which the defective factor has occurred in the process of the label mounting apparatus 100 from the captured image. Acquisition of captured images at a plurality of locations of the label mounting apparatus 100 is not performed.
  • the label mounting device not only the malfunction of the label mounting part, but also the label posture and the bottle posture are inappropriate in the part where the label mounting part receives the label from the label supply part and the part that receives the bottle from the bottle supply part This may cause defective label mounting in the label mounting process in the label mounting unit. For this reason, if there is a situation where the process must be stopped and the cause of the defect investigated during the label attachment process, just looking at the misalignment of the label attached to the bottle will cause the cause of the defect. The location of the occurrence cannot be specified, and it takes a very long time to investigate the cause of the failure.
  • the present invention has been made in view of the above circumstances, and obtains a photographed image of a label, a bottle, or a bottle with a label attached thereto in a plurality of steps such as a label supply step, a bottle supply step, and a label attachment step.
  • a label mounting apparatus capable of analyzing the cause of a failure using a photographed image at each process related to a bottle with a label determined to be defective when it is determined that the label mounting process is defective. The purpose is to do.
  • a label supply means for supplying the label by conveying the label base material on which the label is continuously printed to a label cutting position and separating the label base material from the label base material, and mounting the label Container transport means for transporting a plurality of containers to be received, and each time the label is separated from the label substrate at the label cutting position, the label is received and transported to a label mounting position provided on the transport path of the container
  • the label mounting means for mounting on the container transported to the label mounting position, and the label mounted on the container every time the label is mounted on the container at the label mounting position is photographed by the first photographing means.
  • an inspection unit that inspects the container on which the label is mounted using the photographed image.
  • a label supply process a container transport process by the container transport means, and a label mounting process to the container by the label mounting means, and transported to a predetermined position in the process.
  • the first storage means for temporarily storing the photographed image photographed by the first photographing means and the second photographing means, and the inspection means. If it is determined, the first storage unit stores the captured image of the first imaging unit used for the determination and the captured image of the second imaging unit that captured the label or container subjected to the determination.
  • a photographed image storage control unit that transfers the image to the second storage unit and stores it as an image for defect analysis.
  • the first storage unit stores a photographed image photographed by the first photographing unit and the second photographing unit.
  • Each of the first and second imaging units has a storage capacity for storing the number of images and stores the captured images in the first storage unit every time the first imaging unit and the second imaging unit perform imaging. It is further characterized by further comprising captured image storage control means for temporarily storing the predetermined number of sheets.
  • the operator operates the display unit to display the inspection result of the inspection unit on the display unit.
  • an image display control means for displaying the captured images of the first and second imaging means stored as defect analysis images in the second storage means on the display means in a predetermined format; are further provided.
  • the label mounting apparatus according to the first or second aspect, further comprising: a determination unit that determines whether the label or the container is in a good posture using a photographed image of the second photographing unit. It is characterized by having.
  • the label mounting apparatus when the inspection result by the inspection unit is defective, the label supply step based on the inspection result and the determination result of the determination unit
  • the apparatus further comprises an analyzing means for analyzing which of the container transporting process and the label mounting process has a cause of failure.
  • the operator operates the display unit to display the inspection result of the inspection unit, and the operation unit is operated by the operator. Is operated, the captured images of the first and second photographing means stored as defect analysis images in the second storage means together with the analysis result of the analyzing means are collectively displayed on the display means in a predetermined format. And a display control means.
  • a seventh aspect of the present invention is the label mounting device according to any one of the first to sixth aspects, further comprising a notifying means for notifying the inspection result when the inspection result by the inspection means is defective.
  • the label is photographed with a camera and the quality of the label is judged using the photographed image.
  • the label associated with the bottle with the label determined to be defective and the photographed image in the bottle supply process are stored in the second storage means as the defect analysis image, so that the worker is defective during maintenance.
  • FIG. 6 is an output diagram illustrating an example of captured images respectively captured by a first camera to a fourth camera. It is a figure which shows the structure of the part which cuts off each label from the label base material of a label supply part, and supplies a label to a label mounting part. It is a figure which shows the structure which delivers a label from a label supply part to a label mounting part. It is a front view which shows the structure of a label mounting head. It is a side view which shows the structure of the label mounting head.
  • FIG. 8 is a cross-sectional view taken along line XX of FIG.
  • FIG. 8 is a cross-sectional view taken along line YY in FIG. It is a principal part perspective view which shows the mounting sequence to the bottle of the label in a label mounting part. It is the figure shown with the functional block which shows the structure for performing the analysis process of an analyzer. It is a figure which shows an example of a structure of the four picked-up image storage area
  • FIG. 10 is a flowchart illustrating a processing procedure of shooting control of the first camera to the fourth camera by the shooting control unit.
  • 6 is a flowchart showing a photographing operation in the first camera to the fourth camera.
  • It is a flowchart which shows the process sequence of the analysis process by an analysis process part.
  • It is a flowchart which shows the process sequence of the analysis process by an analysis process part.
  • It is a figure which shows an example of the basic composition of a label mounting apparatus.
  • FIG. 1 is a perspective view showing an appearance of a label mounting apparatus according to the present invention
  • FIG. 2 is a view of the label mounting apparatus as viewed from above
  • FIG. 3 is a front view of the label mounting apparatus.
  • the label mounting device 1 includes a bottle supply unit 2, a label supply unit 3, a rotary type label mounting unit 4, a bottle unloading unit 5, and a label mounting failure analysis unit 6.
  • the bottle supply unit 2 continuously supplies a number of bottle-type containers (hereinafter referred to as “bottles”) made of a synthetic resin such as PET (polyethylene terephthalate) to which labels are to be mounted to the label mounting unit 4 at predetermined intervals. It is the part that fulfills the function.
  • bottles made of a synthetic resin such as PET (polyethylene terephthalate) to which labels are to be mounted to the label mounting unit 4 at predetermined intervals. It is the part that fulfills the function.
  • the label supply unit 3 cuts a label base material M made of a polyester-based resin, a polyethylene-based resin, or the like, on which a plurality of the same patterns (labels) are printed on a cylindrical, belt-shaped heat-shrink film (shrink film) at regular intervals.
  • a large number of labels L are transferred by cutting the boundary positions of the labels L (see FIG. 3) of the label base material M in synchronization with the transport speed of the label base material M. This is a part that performs the function of supplying the label mounting unit 4 continuously at a predetermined interval.
  • the label mounting unit 4 circulates a large number of labels L supplied from the label supply unit 3 to each bottle B while circulating a large number of bottles B supplied from the bottle supply unit 2 at predetermined intervals on a predetermined circular path. It is the part that fulfills the function of wearing.
  • the bottle unloading unit 5 is a part that performs the function of receiving the bottle B (the bottle B with a label) on which the label L is mounted by the label mounting unit 4 and unloading it to a subsequent process.
  • the label mounting failure analysis unit 6 receives the label L supplied from the label supply unit 3 of the label mounting unit 4 (hereinafter referred to as “label receiving position”), and the label L is placed on the bottle B of the label mounting unit 4.
  • Position P2 for mounting see FIG. 2; hereinafter referred to as “label mounting position”
  • position P3 of the bottle B immediately after the label mounting position P2 see FIG. 2, hereinafter referred to as “label inspection position”
  • bottle B, label L, and label supplied to the label mounting unit 4 at each position P4 hereinafter referred to as “bottle receiving position” for receiving the bottle B supplied from the bottle supply unit 2 of the label mounting unit 4.
  • the inspection parts of the bottle B with the label and the bottle B with the label are photographed by the camera 63, the camera 64, the camera 62, and the camera 61, respectively, and each label is obtained using the photographed image of the inspection part of the bottle B with the label It can perform the inspection of the quality of the label attached to the bottle B.
  • the label attachment failure analysis unit 6 when defective in the inspection, displays each photographed image of the label L, the bottle B, and the bottle B with the label related to the product together with the photographed image of the label inspection portion of the product. This is a part that performs the function of storing and analyzing the cause of the defect using those captured images.
  • the label mounting apparatus 1 which concerns on this embodiment has the characteristics in the point provided with the label mounting defect analysis part 6.
  • the label supply unit 3 includes a mechanism that feeds the label base material M from the original fabric, transports the label base material M to the label cutting position P0 (see FIG. 5), and cuts the label base material M in FIGS.
  • the part for transporting the base material M from the original fabric to the label cutting position P0 is omitted, and only the part for separating each label L from the label base material M at the label cutting position P0 and supplying it to the label mounting part 4 is used as the label supply part 3. It is described.
  • the portion of the label supply unit 3 that separates each label L from the label base M and supplies it to the label mounting unit 4 transports the label base M from top to bottom to separate each label L, and labels the separated label L Since the take-up member 423 (see FIGS. 5 and 6) is moved in the horizontal direction and is received by the mounting portion 4, the take-up member 423 is disposed on the upper right side of the label mounting portion 4 in a front view.
  • the label mounting unit 4 includes a ring-shaped support board 40 that rotates clockwise.
  • the support plate 40 is provided with bottle holders (not visible in FIGS. 1 to 3) for holding 30 bottles B along the periphery at equal intervals (at an angle of 12 °).
  • the label mounting head which receives the cylindrical label L supplied from the label supply unit 3 and opens the label L in a cylindrical shape so as to cover the bottle B held in each bottle holding unit. 41 (see FIGS. 2 and 3) is provided.
  • a label receiving position P1 is provided above the rotation reference position ⁇ . Further, when the rotation angle “+ ⁇ ” is taken clockwise from the reference direction (direction in which the support plate 40 rotates), a bottle delivery position P5 is provided for delivering the bottle B to the bottle carry-out unit 5 in the + 60 ° direction. A bottle receiving position P4 for receiving the bottle B from the bottle supply unit 2 is provided at a position rotated by + 120 °.
  • Each of the 30 label mounting heads 41 receives the label L supplied from the label supply unit 3 each time it passes through the label receiving position P1. Further, the 30 bottle holders on the support board 40 receive the bottle B supplied from the bottle supply unit 2 when passing through the bottle receiving position P4, and respectively label L when passing through the bottle delivery position P5.
  • the bottle B (labeled bottle B) to which is attached is delivered to the bottle carry-out unit 5.
  • the bottle B held in the bottle holding unit is loaded with the label L by the label loading head 41 until the bottle B moves from the bottle receiving position P4 to the bottle delivery position P5 (while the support plate 40 rotates 5/6). Is done.
  • the bottle supply unit 2 includes a belt conveyer 20 that conveys a large number of bottles B, a screw 21 that conveys a large number of bottles B conveyed by the belt conveyer 20 in a line at predetermined intervals, And a star wheel 22 that receives a number of bottles B conveyed at intervals and passes them to the label mounting unit 4.
  • the belt conveyor 20 and the screw 21 are arranged in this order from the upstream side to the downstream side (left side to right side in FIG. 2) in the bottle B conveyance direction, and the star wheel 22 is disposed between the rear end portion of the screw 21 and the label mounting portion 4.
  • the star wheel 22 has 16 recesses on the periphery, rotates counterclockwise when viewed from above, receives each bottle B conveyed by the screw 21 at each recess, and reaches the bottle receiving position P4 of the label mounting unit 4 Transport.
  • the bottle carry-out unit 5 includes a bottle receiving unit 50 that receives the bottle B with a label from the label mounting unit 4 and a belt conveyor 51 that conveys the bottle B received by the bottle receiving unit 50 to a subsequent process.
  • the bottle receiving unit 50 is disposed between the front end portion of the belt conveyor 51 and the label mounting portion 4.
  • the bottle receiving unit 50 is a unit having a configuration in which 16 bottle adsorbing members 50a are radially attached to a rotating shaft (not shown) and only the bottle B with a label is received by each bottle adsorbing member 50a.
  • the bottle receiving unit 50 rotates counterclockwise and receives each labeled bottle B transported to the bottle delivery position P5 by the label mounting portion 4 by each bottle adsorbing member 50a and transports it to the belt conveyor 51. .
  • a large number of bottles B are conveyed from the left side to the right side by the belt conveyor 20 of the bottle supply unit 2 in front view, and after the bottle interval is adjusted to a predetermined interval by the screw 21, it is delivered to the star wheel 22, It is conveyed to the bottle receiving position P4 of the label mounting unit 4 by the star wheel 22.
  • the bottle B conveyed to the bottle receiving position P4 is held by the bottle holding part 40a (see FIGS. 7 and 8) of the support board 40 of the label mounting part 4, and is conveyed to the bottle delivery position P5 by the rotation of the support board 40.
  • the bottle B held by the bottle holding part 40a of the support board 40 is loaded with the label L by the label loading head 41 provided on the upper part of the bottle B before being transported to the bottle delivery position P5.
  • the labeled bottle B conveyed to the bottle delivery position P5 by the support board 40 is delivered to the bottle adsorption member 50a of the bottle receiving unit 50, and is conveyed to the belt conveyor 51 by the rotation of the bottle receiving unit 50.
  • the bottle B with a label is again conveyed from the left side to the right side by the belt conveyor 51 toward a post process.
  • the label attachment failure analysis unit 6 inspects whether the label L of the bottle B with the label B is attached or not using a photographed image of the four cameras 61 to 64 and the camera 61 that photographs the label inspection position P3.
  • An analysis device 60 (see FIG. 2) is provided for analyzing the cause of the failure of the bottle B with the label using the images taken by the cameras 62 to 64. 1 and 3, the analysis device 60 is omitted.
  • the camera 61 (hereinafter referred to as “first camera 61”) is a predetermined inspection point (for example, a label B) at a label inspection position P3 that is one bottle downstream of the label attachment position P2 of the label attachment unit 4. , The edge portion of the label L, etc.). As shown in FIG. 4A, the first camera 61 captures an image whose angle of view has been adjusted so that the angle of view includes a pattern that can be inspected by pattern matching, such as the character portion of the label L. .
  • the label inspection position P3 is a position where the label mounting head 41 is rotated from the rotation reference position ⁇ by three bottles (rotation angle + 36 °).
  • the camera 62 (hereinafter referred to as “second camera 62”) takes an image of the entire labeled bottle B at the label mounting position P2 upstream by one bottle (12 ° rotation angle) from the label inspection position P3. Camera. As shown in FIG. 4B, the second camera 62 captures an image whose angle of view is adjusted so that the entire labeled bottle B is included in the angle of view. Since the captured image of the first camera 61 is captured by scoping a part of the labeled bottle B, how the label L is displaced with respect to the bottle B even if it is determined by the captured image that the label is not properly worn. In order to analyze this, the second camera 62 captures the entire image of the labeled bottle B.
  • the label mounting position P2 at which the label L is mounted on the bottle B is the shooting position of the second camera 62, but the bottle B is transported from the label mounting position P2 to the bottle delivery position P5.
  • An appropriate conveyance position in between may be set as the photographing position of the second camera 62.
  • the shooting position of the first camera 61 is a position downstream of the shooting position of the second camera 62 by one bottle, the interval between the shooting position of the first camera 61 and the shooting position of the second camera 62 is set. May be separated from several bottles.
  • the camera 63 (hereinafter referred to as “third camera 63”) is a camera that photographs the posture of the bottle B received by the label mounting unit 4 from the bottle supply unit 2 at the bottle receiving position P4. As shown in FIG. 4C, the third camera 63 captures an image whose angle of view is adjusted so that the entire bottle B is included in the angle of view.
  • the bottle receiving position P4 is a position where the label mounting head 41 is rotated from the rotation reference position ⁇ by 11 bottles (rotation angle + 132 °). When viewed from the transport distance of the bottle B to be inspected at the label inspection position P3, the bottle receiving position P4 is located upstream by 22 bottles from the label inspection position P3.
  • the camera 64 (hereinafter referred to as “fourth camera 64”) is a camera that photographs the posture of the label L received by the label mounting unit 4 from the label supply unit 3 at the label receiving position P1. As shown in FIG. 4D, the fourth camera 64 captures an image whose angle of view is adjusted so that the label L received by the take-up member 423 is included in the angle of view.
  • the label receiving position P1 is the same position as the rotation reference position ⁇ . When viewed from the transport distance of the label L to be inspected at the label inspection position P3, the label receiving position P1 is located upstream from the label inspection position P3 by 33 bottles.
  • the first camera 61 and the second camera 62 are arranged at appropriate positions facing the label inspection position P3 and the label mounting position P2 around the support plate 40 with the optical axes directed toward the labeled bottle B, and the third camera 63.
  • the optical axis facing the bottle B at an appropriate position facing the bottle receiving position P4 around the support board 40.
  • the fourth camera 64 is arranged toward the label L that can receive the optical axis at an appropriate position facing the label receiving position P1 outside the label mounting portion 4.
  • FIG. 5 is a diagram illustrating a configuration of a portion (hereinafter, referred to as “label generation unit”) in which each label L is separated from the label base material M of the label supply unit 3 and supplied to the label mounting unit 4.
  • FIG. 6 is a diagram illustrating a configuration in which the label L is delivered from the label supply unit 3 to the label mounting unit 4.
  • the label generation unit of the label supply unit 3 includes a label base material feeding unit 30 that feeds the label base material M to the label cutting position P0, a label base material cutting unit 31 that cuts the label base material M, and the cut label L.
  • the label transfer unit 32 that sucks and transfers the label L to the label receiving position P1, the suction auxiliary unit 33 that assists the suction of the label L in the label transfer unit 32, and each label L transferred from the label transfer unit 32 to the label receiving position P1.
  • a label delivery section 34 for delivering to the label receiving member of the label mounting section 4.
  • the label base material feeding unit 30, the label base material cutting unit 31, the label transfer unit 32, and the label delivery unit 34 are arranged in the vertical downward direction in this order. Further, the adsorption assisting unit 33 is disposed to face the label transfer unit 32.
  • the label base material feeding unit 30 includes a driving roller 30a and a driven roller 30b whose peripheral surfaces are pressed against each other.
  • the label base material feeding unit 30 sandwiches the label base material M between the rollers 30a and 30b, rotates the driving roller 30a at a predetermined rotational speed, and feeds the label base material M to the label cutting position P0.
  • the label base material cutting unit 31 includes a fixed blade 31a fixed at the label cutting position P0 and a rotary blade 31b disposed so as to be able to rotate in opposition to the fixed blade 31a. Each time it passes through the position P0, the label base M is cut by the rotary blade 31b and the fixed blade 31a.
  • the rotation speed of the rotary blade 31b is adjusted to a speed at which the label base material feeding unit 30 feeds the label base material M by the length of one label.
  • the label transfer unit 32 adsorbs both ends in the width direction of the separated label L with a pair of feed belts 321 (see FIG. 6), and moves the feed belt 321 downward to move the label L to the label receiving position. Transfer to P1.
  • Two sets of guide rollers 323 and 324 are arranged at a distance narrower than the width of the label L on the downstream side of the label cutting position P0 and the upstream side of the label receiving position P1, respectively.
  • a suction chamber 325 is disposed between the guide rollers 324 and between the other upper guide roller 323 and the lower guide roller 324 (see FIG. 6).
  • a driving pulley 322 is provided so as to draw a triangle with respect to one guide roller 323, 324 and the other guide roller 323, 324, respectively.
  • One feed belt 321 is stretched over one drive pulley 322 and one guide roller 323, a suction chamber 325, and a guide roller 324, and the other feed belt 321 includes the other drive pulley 322 and the other guide roller 323. And the suction chamber 325 and the guide roller 324.
  • the feed belt 321 moves from the top to the bottom as the drive pulley 322 rotates clockwise.
  • the drive pulley 322 rotates the feed belt 321 at a speed faster than the feeding speed of the label base material M by the label base material feeding section 30.
  • the feed belt 321 is provided with a plurality of suction holes 321a at predetermined intervals along the longitudinal direction at the center in the width direction (see FIG. 6).
  • the suction chamber 325 is connected to a suction device such as a vacuum pump (not shown) by a suction tube such as a tube (not shown).
  • the suction assisting unit 33 assists the suction of the label L to the feed belt 321 by the suction hole 321a of the feed belt 321 and the suction chamber 325.
  • the suction assisting unit 33 is configured by a feed mechanism of the label L by an endless belt similar to the label transfer unit 32, and includes an endless belt 331, a driving pulley 332, and three guide rollers 333, 334, and 335.
  • two suction assisting parts 33 are also provided corresponding to the respective label transfer parts 32.
  • the upper guide roller 333 is disposed at a position close to the guide roller 323 of the label transfer unit 32.
  • the lower guide rollers 335 are disposed so as to be in contact with the suction chamber 325 at positions above and below the center of the suction chamber 325, respectively.
  • the drive pulley 332 is rotated counterclockwise at the same speed as the drive pulley 322 of the label transfer unit 32.
  • the suction assisting unit 33 assists the suction force of the label L of the feed belt 321 by pressing the endless belt 331 in the section of the middle guide roller 334 and the lower guide roller 335 against the label L sucked by the feed belt 321.
  • the label L is prevented from being detached from the feed belt 321.
  • the label delivery unit 34 has the same structure as the label transfer unit 32 for transferring the label L by the feed belt, and is arranged below the label transfer unit 32.
  • the label transfer unit 32 is provided with two label transfer mechanisms by the feed belt 321.
  • the label delivery unit 34 has only one label transfer mechanism by the feed belt 341, as shown in FIG. It is arranged at the center in the width direction. Since the label delivery unit 34 uses the guide roller 324 below the label transfer unit 32 as a drive pulley, the member corresponding to the drive pulley 322 of the label transfer unit 32 is a guide roller 342. For this reason, the feed belt 341 is stretched between the upper and lower guide rollers 342 and 343 and the lower guide roller 324 of the label transfer unit 32.
  • a suction chamber 344 is provided between the lower guide roller 324 of the label transfer unit 32 and the lower guide roller 343 of the label delivery unit 34.
  • the length of the suction chamber 344 is longer than the length of the label L in the vertical direction. The appropriate length is set to be slightly longer (see FIG. 6).
  • the feed belt 341 is provided with a plurality of suction holes 341a at predetermined intervals along the longitudinal direction at the center in the width direction (see FIG. 6).
  • the suction chamber 344 is connected to a suction device such as a vacuum pump (not shown) by a suction tube such as a tube (not shown).
  • the rotational force of the drive pulley 322 of the label transfer unit 32 is transmitted to the feed belt 341 of the label delivery unit 34 by the feed belt 321 and the guide roller 324 below the label transfer unit 32, so that the feed belt 321 and the feed belt 341 are The label L is transferred from top to bottom at the same speed.
  • the label delivery unit 34 is provided with a label detection sensor 35 that detects that the label L has been transferred to a predetermined position of the label delivery unit 34.
  • the label detection sensor 35 is an optical sensor and is provided at a position facing a predetermined height position of the suction chamber 344. This position corresponds to the label receiving position P1.
  • the label detection sensor 35 scans the label L relatively in the vertical direction. Therefore, of the scanning signal of the label L output from the label detection sensor 35, By extracting the upper side, it is detected that the label L has been transferred to the position shown in FIG. 6 (the position where the upper side of the label L coincides with the label receiving position P1).
  • the label mounting head 41 of the label mounting unit 4 is provided with a pair of rod-shaped take-up members 423 as shown in FIGS.
  • the interval between both take-up members 423 is set to be approximately the same as the interval between the pair of feed belts 321 of the label transfer unit 32.
  • a plurality of suction holes 423a are provided on the surface of the take-up member 423 that contacts the label L at the label receiving position P1.
  • Each label mounting head 41 of the label mounting unit 4 receives the label L by peeling off the label L from the feed belt 341 of the label transfer unit 34 when passing through the label transfer unit 34, and holds the label L by suction. To do.
  • the rotation axis of the label mounting unit 4 is set so that the supply cycle of the label L to the label receiving position P1 is the same as the cycle in which the 30 take-up members 423 of the label mounting unit 4 pass through the label receiving position P1.
  • the rotational speed and the rotational speed of the drive pulley 322 of the label supply unit 3 are adjusted.
  • FIG. 7 is a front view showing the configuration of the label mounting head 41
  • FIG. 8 is a side view showing the configuration of the label mounting head 41
  • FIG. 9 shows the configuration of the label receiving unit 42, where (a) is a front view and (b) is a side view.
  • FIG. 10 shows a configuration of the label mounting unit 43, where (a) is a front view and (b) is a side view.
  • the label mounting head 41 opens the cylindrical label L received from the label supply unit 3 and the cylindrical label L received by the label receiving unit 42 and covers the barrel B of the bottle B.
  • a label mounting unit 43 is mounted.
  • the label receiving unit 42 and the label mounting unit 43 are attached to the support frame 411 so as to be movable up and down.
  • the raising and lowering operation of the label receiving unit 42 is performed by a cam mechanism 422 including a cam follower 422a attached to a member 421 attached to the support frame 411 of the label receiving unit 42 and a cam groove 422b provided in the cylindrical body 44 (FIG. 8). reference).
  • the ascending / descending operation of the label mounting unit 43 is performed by a cam mechanism 432 including a cam follower 432 a attached to the attachment member 431 to the support frame 411 of the label mounting unit 43 and a cam groove 432 b provided in the cylindrical body 44. (See FIG. 8).
  • the reason why the lifting operation of the label receiving unit 42 is controlled by the cam mechanism is that the height position needs to be controlled by the rotational position of the label receiving unit 42 from the reference direction.
  • the reason for controlling the raising / lowering operation of the label mounting unit 43 by the cam mechanism is also the same.
  • the cam follower 422a of the label receiving unit 42 is fitted in the cam groove 422b of the cylindrical body 44, and the cam follower 432a of the label mounting unit 43 is fitted in the cam groove 432b of the cylindrical body 44.
  • the cam grooves 422b and 432b are formed on the peripheral surface of the cylindrical body 44 so as to draw a predetermined waveform, and when the ring-shaped support board 40 rotates, the cam followers 422a and 432a are along the cam grooves 422b and 432b, respectively.
  • the label receiving unit 42 and the label mounting unit 43 periodically repeat a predetermined ascending / descending operation. The contents of this raising / lowering operation will be described later.
  • a pair of rod-shaped take-up members 423 extending in parallel to the upper side are attached to the attachment member 421 of the label receiving unit 42.
  • the interval between the two take-up members 423 is substantially the same as the interval between the pair of feed belts 321 of the label transfer unit 32.
  • suction holes 423a are provided in a line on the surface of both take-up members 423 that abut against the label L.
  • Both take-up members 423 are connected to a suction device such as a vacuum pump by a pipe (not shown).
  • a rectangular parallelepiped main body 433 having a central portion opened in a top view is attached to the attachment member 431 of the label mounting unit 43.
  • the main body 433 is a frame body in which an annular upper base 433a and a lower base 433b are connected to each other by a connecting plate and a connecting rod with a predetermined interval in the vertical direction.
  • hook-shaped open / close arms 434A to 434D whose tips are bent inward are attached so as to be openable / closable outward (see FIG. 12).
  • suction rods 435A to 435D extending downward are respectively attached to the distal ends of the four open / close arms 434A to 434D.
  • the bases of the suction rods 435A to 435D are connected to a suction device such as a vacuum pump (not shown) by a suction tube such as a tube (not shown), and suction holes 435a are arranged in a row on the inner side surfaces of the suction rods 435A to 435D. (See FIG. 10). Accordingly, the suction rods 435A to 435D can suck the label L by suction.
  • FIG. 11 is a cross-sectional view taken along line YY of FIG. 8, but as shown in FIG. 11, the attachment member 431 side of the main body 433 (hereinafter, the attachment member side of the main body 433 is referred to as “inside”).
  • the pair of opening / closing arms 434A, 434C and the pair of opening / closing arms 434B, 434D on the distal end side of the main body 433 (hereinafter, the distal end side of the main body 433 is referred to as “outside”)
  • the front end surfaces are in contact with each other on the center line N in the width direction of the opening of the main body 433. In the open state, the front end surfaces of both sides are separated from the center line N.
  • An opening / closing mechanism 436 for causing the four opening / closing arms 434A to 434D to perform an opening / closing operation is provided on the upper surface of the main body 433.
  • the four suction rods 435A to 435D provided at the tips of the open / close arms 434A to 434D sandwich the label L described above and spread it in a cylindrical shape. The operation is performed.
  • FIG. 12 is a cross-sectional view taken along the line XX of FIG. 8, and shows a view of the opening / closing mechanism 436 from above.
  • the opening / closing mechanism 436 includes two upper opening / closing arms 434A and 434B and two lower opening / closing arms 434C and 434D in FIG. 12 among the four hook-shaped opening / closing arms 434A to 434D.
  • the opening / closing mechanism 436 includes two upper opening / closing arms 434A and 434B and two lower opening / closing arms 434C and 434D in FIG. 12 among the four hook-shaped opening / closing arms 434A to 434D.
  • Sector gears 438a and 438c are fixed to the rotation shafts of the inner two open / close arms 434A and 434C, respectively.
  • the sector gear 438a of the upper open / close arm 434A is connected to the upper rack 437A and the lower open / close arm is opened.
  • a sector gear 438c of the arm 434C is connected to the lower rack 437B.
  • spur gears 438e and 438f are fixed to the rotating shafts of the outer two open / close arms 434B and 434D at positions near the lower base 433b, respectively.
  • a spur gear 438e of 434B is connected to a spur gear 438g fixed to the rotation shaft of the sector gear 438b, and a spur gear 438f of the lower opening / closing arm 434D is connected to a spur gear 438h fixed to the rotation shaft of the sector gear 438d.
  • the upper sector gear 438b is connected to the upper rack 437A
  • the lower sector gear 438d is connected to the lower rack 437B.
  • the open / close arm 434A and the open / close arm 434D rotate clockwise
  • the open / close arm 434B and open / close arm 434C rotate counterclockwise.
  • the open / close arm 434A and the open / close arm 434C move so that their front end surfaces are close to the center line N
  • the outer open / close arm 434B and open / close arm 434D also move so that their front end surfaces are close to the center line N. That is, the four open / close arms 434A to 434D (four suction rods 435A to 435D) perform the closing operation.
  • the opening / closing arm 434A and the opening / closing arm 434D rotate counterclockwise, and the opening / closing arm 434B and the opening / closing arm 434C rotate clockwise, so that the four opening / closing arms 434A ⁇ Since each tip surface of 434D rotates away from the center line N, the four open / close arms 434A to 434D (four suction rods 435A to 435D) perform an opening operation.
  • the opening / closing mechanism 436 has springs 439A and 439B for constantly applying an urging force in the direction toward the outside (the direction of closing the four suction rods 435A to 435D) to the racks 437A and 437B,
  • a cam member 440 (see FIG. 10) is provided for switching the positions of the racks 437A and 437B between the “closed position” where the four suction rods 435A to 435D are closed and the “open position” where the four suction rods 435A to 435D are opened. ing.
  • the opening / closing mechanism 436 is provided with a cam mechanism 441 for moving the cam member 440 up and down. Since the opening / closing operation of the four suction rods 435A to 435D also needs to be controlled by the rotational position of the label mounting unit 43 from the reference direction, the cam mechanism 441 of the opening / closing mechanism 436 also opens and closes the same as the lifting / lowering operation of the label mounting unit 43.
  • a cam follower 441 a provided in the mechanism 436 and a cam groove 441 b formed in the cylindrical body 44 are configured.
  • cam followers 440a with which the cam surfaces at the lower ends of the cam members 440 are in contact with the inner ends of the racks 437A and 437B are provided. When the cam members 440 are raised, the racks 437A and 437B are moved to the outer sides. When the cam member 440 descends, the racks 437A and 437B move inward and are set to the “open position”.
  • the label mounting head 41 of the label mounting unit 4 (1) receives the label L by the take-up member 423 of the label receiving unit 42, and (2) further receives four labels L of the label mounting unit 43 by the take-up member 423. (3) The four suction rods 435A to 435D open the label L, (4) The bottle by the four suction rods 435A to 435D descending with the label L opened. The label L is attached to the bottle B by performing the four operations of attaching the cover so as to cover B.
  • Each label mounting head 41 receives the label L from the label supply unit 3 by performing the operation (1) when passing through the rotation reference position ⁇ .
  • the bottle holder 40a (see FIGS. 7 and 8) corresponding to each label mounting head 41 receives the bottle B from the bottle supply unit 2 when passing the bottle receiving position P4.
  • the label L is attracted to the bottle B to be mounted at the bottle receiving position P4, and the above operations (2) to (4) are performed while the two move from the bottle receiving position P4 to the bottle delivery position P5. L is attached to bottle B.
  • Each label mounting head 41 is configured such that the label receiving unit 42 and the label mounting unit 43 move up and down independently of each other, but when the label receiving unit 42 moves up relative to the label mounting unit 43, two take-up members 423 moves so as to penetrate the opening of the main body 433 of the label mounting unit 43 from below, so that the label receiving unit 42 and the label mounting unit 43 do not interfere with each other (for example, FIG. (See the state where the label receiving unit 42 is lowered) and FIG. 13E (the state where the label receiving unit 42 is raised).
  • the label mounting unit 43 receives the label L from the label receiving unit 42
  • the label mounting unit 43 is positioned relative to the label receiving unit 42 so that the four suction rods 435A to 435D are in a positional relationship surrounding the take-up member 423. (See FIG. 13B).
  • the four suction rods 435A to 435D the two take-up members 423 and the two suction rods 435C and 435D facing each other with the label L in between are adsorbed with the label L interposed therebetween, while the two By releasing the suction of the take-up member 423, the label L is delivered from the label receiving unit 42 to the label mounting unit 43 (see FIGS. 13C and 13D).
  • the label receiving unit 42 and the label mounting unit 43 are lowered to the lowest position in the respective lift ranges at predetermined positions upstream of the rotation reference position ⁇ , and pass through the rotation reference position ⁇ in this state.
  • the label mounting unit 43 performs the label L mounting operation on the bottle B.
  • the label mounting unit 4 passes the rotation reference position ⁇
  • the two take-up members 423 of the label receiving unit 42 penetrate the opening portion of the main body 433 of the label mounting unit 43 from the lower side and upward from the main body 433. It is in a state that has come out. Accordingly, at the rotation reference position ⁇ , as shown in FIG.
  • the operation to receive is performed.
  • the label mounting unit 43 is in a state of a label mounting operation performed before the label mounting unit 4 passes the rotation reference position ⁇ (a state where the four suction rods 435A to 435D cover the bottle B with the label L). keeping.
  • the label receiving unit 42 While the label mounting head 41 passes through the rotation reference position ⁇ and moves to the bottle delivery position P5, the label receiving unit 42 is held at the lowest position (the label receiving unit shown in FIGS. 13A to 13D). 42 height position reference). That is, the label receiving unit 42 maintains the height position of the received label L.
  • the label mounting unit 43 passes the rotation reference position ⁇ , the suction of the four suction rods 435A to 435D is immediately released, and the label mounting unit 43 moves to the highest position with the four suction rods 435A to 435D opened. To do.
  • the label L held by the two take-up members 423 is surrounded by the four suction rods 435A to 435D (the label L in FIG. 13B and the four suction rods 435A to 435D).
  • the two suction rods 435C and 435D facing the label L are closed, and the two suction rods 435C and 435D and the two take-up members 423 are used.
  • the label L is sandwiched (see the state in FIG. 13C), and the suction of the two suction rods 435C and 435D is started, and at the same time, the suction of the two take-up members 423 is released and the two suction rods 435C and 435D are released. Receives the label L (see FIG. 13D).
  • FIG. 13D is the timing when the label mounting head 41 passes the bottle delivery position P5, and the labeled bottle B held in the label holding unit 40a is carried out by the label carrying-out unit 5.
  • the labeled bottle B is not drawn.
  • the suction rods 435C and 435D receive the label L, the suction rods 435C and 435D only suck both ends in the width direction of the label L. , 435D side (see the shape of the label L in FIG. 13D).
  • the label receiving unit 42 is raised to the uppermost position until the label mounting head 41 moves from the bottle delivery position P5 to the bottle receiving position P4. That is, the retracting operation of the label receiving unit 42 is performed (see FIG. 13 (e)).
  • the four suction rods 435A to 435D are closed to perform labeling with a pair of suction rods 435A and 435C inside the main body 433 and a pair of outside 435B and 435D.
  • the both ends of the width direction of L are sandwiched (see the state of FIG. 13 (f)), and after all the suction rods 435A to 435D are suctioned, the four suction rods 435A to 435D are opened. (Refer to the state of FIG. 13 (g)).
  • the suction rods 435C to 435D pull both ends in the width direction of the label L outward, so that the label L is opened in a cylindrical shape as shown in FIG.
  • the label mounting unit 43 moves to the lowest position while maintaining the state, and at the same time, the label receiving unit 42 moves to the lowest position. . That is, when the label receiving unit 42 and the label mounting unit 43 are simultaneously lowered toward the bottle B held by the bottle holding unit 40a and reach the lowest position, as shown in FIG.
  • the label L opened by the suction rods 435C to 435D of the book is put on the bottle B, and the attachment of the label L to the bottle B is completed.
  • the label mounting completion timing is adjusted to a predetermined timing before the label mounting head 41 passes the rotation reference position ⁇ , the state of the label receiving unit 42 and the label mounting unit 43 at that time is maintained and the label mounting is performed.
  • the head 41 returns to the rotation reference position ⁇ (see the state of FIG. 13A). Accordingly, each time the label mounting head 41 goes around the rotary by the support board 40, the label L is mounted on the bottle B by performing the operations shown in FIGS. 13 (a) to 13 (h).
  • the label L mounting speed (lines / minute) to the bottle B is the number of label reference heads 41 passing through the rotation reference position ⁇ per minute, and therefore the rotation speed (times / minute) of the support plate 40. Determined by. Since 30 label mounting heads 41 are provided on the support board 40, if the rotational speed of the support board 40 is N (times / minute), the label mounting speed is 30 ⁇ N (lines / minute). Become.
  • FIG. 14 is a functional block diagram showing a configuration for performing an analysis process in the analysis device 60.
  • the analysis device 60 includes functional blocks of an analysis processing unit 60a, a shooting control unit 60b, a shot image storage unit 60c, an interface unit 60d, a camera unit 60e, an analysis result storage unit 60f, an operation unit 60g, and a display unit 60h.
  • the camera unit 60e, the analysis result storage unit 60f, the operation unit 60g, and the display unit 60h are connected to the analysis processing unit 60a and the imaging control unit 60b by an interface unit 60d.
  • the camera unit 60e captures the bottle B, the label L, and the labeled bottle B at each of the label inspection position P3, the label mounting position P2, the bottle receiving position P4, and the label receiving position P1 shown in FIG. This is a portion including the first camera 61 to the fourth camera 64.
  • the analysis processing unit 60a determines pass / fail of label mounting of each labeled bottle B produced by the label mounting apparatus 1 using the captured images of the first camera 61 to the fourth camera 64. It is a part to analyze.
  • the captured image storage unit 60c temporarily stores image data (hereinafter referred to as “photographed data”) captured by the first camera 61 to the fourth camera 64 for a predetermined number of sheets (for example, 100 sheets). It is a part to do.
  • the imaging control unit 60 b is a part that controls the imaging operation of the first camera 61 to the fourth camera 64.
  • the shooting control unit 60b causes the first camera 61 to the fourth camera 64 to perform shooting operations every time a release command signal is input, and the shooting data transferred from the first camera 61 to the fourth camera 64 is shot in the RAM. Store in the image storage area.
  • the analysis processing unit 60a and the imaging control unit 60b are configured by a microcomputer including a CPU (Central Processing Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory).
  • the analysis processing unit 60a and the imaging control unit 60b ROM for storing analysis programs and imaging programs, CPU for executing the analysis programs and imaging programs, and RAM for storing programs and data necessary for the CPU to execute analysis programs and imaging programs (particularly set as a work area)
  • the captured image storage unit 60c is configured by a RAM (particularly a storage area set as an image data storage area).
  • photographing data of the first camera 61 to the fourth camera 64 is temporarily stored for a predetermined number of sheets (for example, 100 sheets). Since the main use of the photographic data is for the operator to visually analyze the cause of the defect, the photographic data is compressed in black and white binarization processing and stored in the photographic image storage 60b. Therefore, as shown in FIG. 15, the RAM is provided with four captured image storage areas AR1 to AR4 for storing the captured data of the first camera 61 to the fourth camera 64, respectively. Each photographed image storage area AR1 to AR4 is provided with 100 addresses, and one photographed data is stored at each address.
  • the first 100 shot data are stored in the order of the address number in the order of shooting, but when the number exceeds 100, it returns to the smallest address (the highest address) and new data is discarded while discarding the previous shot data in the order of the address numbers.
  • Shooting data is saved.
  • the photographed image storage area AR1 the first 100 pieces of photographed data are saved in the order of photographing from addresses (0001) to (0100), but the 101st to 200th pieces of photographed data return to the address (0001).
  • the image data stored at each address is discarded from addresses (0001) to (0100) while being discarded. Accordingly, in each of the captured image storage areas AR1 to AR4, 100 sheets of captured data are always temporarily stored retroactively from the latest captured data.
  • the shooting data stored in each of the shooting image storage areas AR1 to AR4 is discarded in chronological order, the address of the remaining shooting data is incremented by one, and the latest shooting data is stored at the lowest address. It may be. That is, the latest 100 pieces of shooting data may always be stored in the order of the numbers of the shot image storage areas AR1 to AR4.
  • the storage destination of the captured data stored in the addresses (0001) to (0100) is incremented by one, and the 101st captured data is stored in the address (0100).
  • the second to 101st image data is stored at addresses (0001) to (0100).
  • the label mounting head 41 that receives the bottle B and the label L to each of the label mounting position P2, the label inspection position P3, the bottle receiving position P4, and the label receiving position P1 shown in FIG. Therefore, the release command signal to the first camera 61 to the fourth camera 64 in the camera unit 60e is output in synchronization with the rotation of the support plate 40.
  • a rotary encoder provided with a slit corresponding to each of the 30 label mounting heads 41 is provided on the rotating shaft of the support board 40, and the slit is detected at a position facing the rotary encoder in the direction of the rotation reference position ⁇ .
  • a sensor is provided, and a pulse signal that detects a slit having a period proportional to the rotational speed of the support plate 40 is output as a release command signal. Since the pulse signal that detects the slit is output in synchronization with the label mounting head 41 passing through the rotation reference position ⁇ , the imaging control unit 60b receives the first camera 61 through the fourth camera when the pulse signal is input. The photographing operation of the camera 64 is performed.
  • the first camera 61 and the second camera 62 respectively photograph the inspection location of the labeled bottle B and the entire bottle each time the labeled bottle B is conveyed to the label mounting position P2 and the label inspection position P3.
  • the third camera 63 photographs the bottle B every time the bottle B is received at the bottle receiving position P4, and the fourth camera 64 photographs the label L every time the label L is received at the label receiving position P1. To do.
  • the photographed data is transferred to the analysis device 60.
  • the shooting control unit 60b stores the shooting data in the shooting image storage areas AR1 to AR4 of the RAM.
  • the photographing data of the fourth camera 64 for inspecting the labeled bottle B the photographing data of the label L of the first camera 61 and the photographing of the bottle B of the second camera 62 related to the bottle B with the label. Since the shooting timing of the data is early, there is a difference between the period in which the shooting data of the fourth camera 64 is stored in the RAM and the period in which the shooting data of the first camera 61 or the second camera 62 is stored in the RAM.
  • the time t ′ stored in the RAM is shorter than (100 ⁇ Tr). Precisely, the time until the label L photographed by the first camera 61 is attached to the bottle B and photographed by the fourth camera 64 (the time required for the support board 40 to rotate for 33 bottles) is shortened. .
  • the analysis processing unit 60a determines whether the label-attached bottle B is attached with a label at a cycle shorter than the storage time t ′. If it is determined as “bad”, the analysis processing unit 60a uses the captured image storage areas AR1 to AR4 in the RAM. The four pieces of photographing data related to the labeled bottle B determined to be defective are transferred to the analysis result storage unit 60f together with the analysis result described later. Accordingly, it is possible to reliably transfer and save the four pieces of photographing data related to the labeled bottle B determined to be defective to the analysis result storage unit 60f.
  • the analysis result storage unit 60 f is configured by a storage device such as a hard disk connected to the CPU via the interface unit 60 d, and is determined as data or failure output as a result of the analysis processing of the analysis processing unit 60 a. Four pieces of photographing data related to the labeled bottle B are stored.
  • the label mounting apparatus 1 since the label mounting apparatus 1 performs label mounting processing on the bolt B at a speed of 720 lines / minute, even if a label mounting failure occurs, the failure does not become a serious problem in the subsequent label mounting processing. It is difficult to immediately stop the operation of the label mounting apparatus 1. For example, if the label mounting head 41 of the label mounting unit 4 receives the label L out of the proper position and causes a defect in the inspection of the bottle B with the label, all the label mounting heads 41 are defective. Otherwise, the inspection results of all the labeled bottles B will not be defective.
  • the label mounting device 1 is stopped in order to eliminate this cause of the failure, and the poorly adjusted label device head 41 is searched. If the label mounting apparatus 1 is adjusted, the productivity is significantly reduced. Therefore, in such a case, when the operator monitors the occurrence state of the defect of the label mounting apparatus 1 without stopping the label mounting apparatus 1 and determines that the label mounting apparatus 1 needs to be adjusted, the label mounting apparatus 1 is stopped and maintenance (analysis of the cause of failure and adjustment of the apparatus) is performed.
  • the actual label mounting apparatus is provided with a bottle removal mechanism for removing the defective labeled bottle B on the transport path of the bottle unloading unit 5, and the label mounting failure analysis is performed.
  • the bottle removing mechanism is activated and removed from the carry-out path.
  • the analysis result storage unit 60f is a memory for storing an analysis result of the bottle B with a label in which a label mounting failure has occurred because an operator performs a failure analysis during maintenance of the label mounting device 1.
  • the operation unit 60g is a part that performs functions such as inputting information necessary for an operator to operate the label operation device 1 and inputting various operation commands.
  • a dedicated keyboard is provided on the operation unit 60g, and a numeric keypad is provided. The operator can input various commands related to the analysis process of label attachment failure by operating the keys of the operation unit 60g.
  • the display unit 60 h is a part that is configured by, for example, a liquid crystal display and performs a function of displaying the operation state of the label mounting apparatus 1.
  • the operator can display the processing status of the analysis device 60 during the operation of the label mounting device 1 by operating the operation unit 60g.
  • each time the analysis device 60 inspects each bottle B with a label for example, an image of the inspection result as shown in FIG. 16 is displayed.
  • the label mounting processing speed of the label mounting apparatus 1 is high, the inspection result of each bottle B with a label is displayed only for a moment on the display unit 60h, and the operator can visually check the contents of each inspection result.
  • an error message is displayed when an inspection failure occurs, the operator can confirm the operation status of the label mounting apparatus 1 from the display status of the display unit 60h.
  • the image of the inspection result shown in FIG. 16 includes a part for collectively displaying four pieces of photographing data and a part indicating the contents of the inspection result.
  • the display portion of the photographed image is obtained by arranging and displaying the four pieces of photographing data shown in FIG. 4 in a grid pattern, with the photographing data for inspection of the fourth camera 64 and the label of the third camera 63 on the upper left and lower left, respectively.
  • the shooting data of the entire bottle B is arranged, and the shooting data when the bottle B of the second camera 62 is received and the shooting data when the label L of the first camera 61 is received are arranged in the upper right and lower right. . That is, four pieces of shooting data are arranged in an N shape from the lower right to the upper left in the shooting order.
  • the arrangement order of the four pieces of shooting data is not limited to the example of FIG. In short, any arrangement is possible as long as the photographing order of the four pieces of photographing data can be intuitively grasped.
  • four pieces of photographing image data may be arranged in a U-shape from the upper right to the upper left in the photographing order. You may arrange in Z shape at the upper left.
  • the part indicating the contents of the inspection result includes information such as information for specifying the bottle that has failed the inspection, the date and time of inspection, and the amount of deviation calculated by pattern matching.
  • information for specifying the bottle that has failed the inspection the date and time of inspection
  • amount of deviation calculated by pattern matching the amount of deviation calculated by pattern matching.
  • the label mounting inspection of each bottle B with a label is sequentially performed on the information for specifying the bottle and the inspection date and time, for example, the order after the start of inspection and the inspection time are attached.
  • the analysis processing unit 60a prepares a reference image prepared in advance for an image photographed by the fourth camera 64 (hereinafter referred to as “inspection photographed image”) (inspected location of the labeled bottle B with the label L normally attached). The image is taken up with image matching) by pattern matching to determine whether the label is attached or not. For example, the analysis processing unit 60a calculates the vertical and horizontal shift amounts of the inspection photographed image with respect to the reference image. If both of the shift amounts are within a predetermined allowable range, the label mounting is performed. The result is determined as “good”, and if one or both of the deviation amounts are out of the allowable range, the label mounting result is determined as “defective”.
  • the analysis processing unit 60a analyzes the four captured image data related to the labeled bottle B determined as defective from the captured image storage areas AR1 to AR4 of the RAM. This information is transferred to the analysis result storage unit 60f together with data on whether or not it is attached or not, information on misalignment in each direction, time stamp, etc.).
  • the analysis processing unit 60a calculates not only the bottle B with the label but also the label L received at the label receiving position P1 and the captured image of each bottle B received at the bottle receiving position P4 by pattern matching. Then, it may be determined whether the receiving posture is good or bad by using the deviation amount.
  • rank results may be displayed on the display portion of the photographing data of the receiving postures of the label L and the bolt B.
  • the inspection result (determining whether or not the label is attached), the determination result of the receiving posture of the label L and the bottle B, the determination result of the rank determination, and the relationship between the inspection result and the determination result of the label L and the bottle B Judgment results and the like are included in the analysis result data.
  • the label L and bottle B receiving posture is determined for rank classification, when a label mounting failure occurs in the labeled bottle B, the label L and the bottle B are received in the inspection result of the labeled bottle B. Since the posture determination rank is included, it is possible to determine how much the situation of the receiving posture affects the label mounting failure.
  • the operator determines that a misalignment has occurred that causes a label mounting failure when the label L is mounted because the posture of the bottle B is defective during analysis. If the label L is rank D and the bottle B is rank A, it is possible to determine that a misalignment that causes a label mounting failure has occurred when the label L is mounted because the posture of the label L is defective. it can. In addition, if the label L is also the bottle B in the rank C, the worker has a misalignment that causes a label mounting failure when the label L is mounted because the posture of the label L and the posture of the bottle B are mutually defective. Judgment can be made.
  • the shooting control unit 60b first sets the value i of the counter that counts the address positions for storing the shooting data in the shooting image storage areas AR1 to AR4 to “1”. (S1).
  • the address position is a number from the head position of the captured image storage areas AR1 to AR4, and the counter counts the number.
  • the count range of the counter is 1 to 100. Therefore, when the count value exceeds 100, the counter again counts 1 to 100.
  • the imaging control unit 60b determines whether or not a release command signal has been input (S2).
  • the release command signal is input (S2: YES)
  • the shooting control unit 60b transfers the first command to the first camera 64.
  • the photographing operation is performed (S3).
  • the shooting data is stored in the i-th addresses of the shooting image storage areas AR1 to AR4, respectively (S5), and counted.
  • the value i is increased by 1 (S6).
  • FIG. 19 is a flowchart showing a photographing operation in the first camera 61 to the fourth camera 64.
  • the exposure and shutter speed in this photographing operation are set in advance.
  • the maximum value of the label mounting speed of the label mounting apparatus 1 is 30 ⁇ Nmax (sheets / minute)
  • 20A and 20B are flowcharts showing the processing procedure of the analysis processing by the analysis processing unit 60a.
  • the worker When the label is attached to the bottle B by the label attaching device 1, the worker first performs initial setting, performs a break-in operation, and confirms the initial setting. That is, the label base material M is set and the bottle B is prepared for supply, the label mounting operation is actually performed, the label L supply process, the bottle B supply process, the label L and the bottle B are received, and the label L is Operation confirmation of each process of the process of mounting to the bottle B and the carrying-out process of the bottle B to which the label L is mounted is performed. Since the analysis processing device 60 also operates at the time of this operation check, the shooting data is stored in the shooting image storage areas AR1 to AR4 of the RAM.
  • the analysis processing unit 60a When the label mounting operation is started, the analysis processing unit 60a first resets the value j of the counter that counts the address position where the imaging data to be inspected in the imaging image storage area AR4 is stored to “0” (S21). . Note that, similarly to the counter value i, the counter value j is also a number from the head position of the captured image storage area AR4, and the counter counts the number.
  • the analysis processing unit 60a determines whether or not a release command signal is input (S22).
  • the release command signal is input (S22: YES)
  • the inspection process is not started until the count value j becomes “34” because when the first label L is photographed at the label receiving position P1, the labeled bottle B having the label L mounted at the label inspection position P3 is used. This is because rotation of 33 bottles (that is, 34 shooting operations) is required for the labeled bottle B to reach the label inspection position P3.
  • the shooting data of 34 labels L is stored from the address (0033) to the address (0001) of the shooting image storage area AR1, 23
  • the shooting data of the bottle B for the number of sheets is stored from the address (0010) to the address (0001) of the shooting image storage area AR2, and the shooting data of the entire labeled bottle B for two sheets is stored in the address (0002) of the shooting image storage area AR3.
  • (0001), the shooting data of the first labeled bottle B is stored at the top address (0001) of the shooting image storage area AR4, so that the shooting data in the shooting image storage areas AR1 to AR4 is stored. It is to wait until the storage state becomes such a state.
  • AD4 AD4 + 33
  • step S25 the analysis processing unit 60a makes a pattern of the inspection photographic image stored at the address position of the count value j in the photographic image storage area AR4 and the reference image stored in the predetermined storage area of the RAM. Perform matching processing.
  • the analysis processing unit 60a calculates a lateral displacement amount Ex and an upward / downward displacement amount Ey of the inspection photographed image with respect to the reference image in the pattern matching process.
  • the analysis processing unit 60a compares the deviation amounts Ex and Ey calculated in the pattern matching processing with the preset allowable ranges Sx and Sy, respectively, to determine whether or not the label is attached (inspection of the bottle B with a label). (S26).
  • the analysis processing unit 60a determines whether the count value j is in a range of j ⁇ 1, 1 ⁇ j ⁇ 22, 22 ⁇ j ⁇ 33, or 33 ⁇ j (S27, S28, S29). .
  • step S34 the analysis processing unit 60a determines the address value k1 of the photographed image storage area AR1, the address value k2 of the photographed image storage area AR2, the address value k3 of the photographed image storage area AR3, and the address value of the photographed image storage area AR4.
  • Image data is read out from j, image data for inspection result display shown in FIG. 16 or FIG. 17 is created using the image data and the inspection result in step S26, and displayed on the display unit 60h.
  • the analysis processing unit 60a determines whether or not the inspection result in step S26 is defective (S35), and if it is defective (S35: YES), the captured image storage area AR1 to AR of the captured image storage unit 60c.
  • the imaging data stored in each address value k1, k2, k3, j of AR4 and the data including the displacement amounts Ex, Ey and the inspection results using the displacement amounts Ex, Ey are stored in the analysis result storage unit 60f.
  • the count value j is increased by 1 (S37).
  • the relative shooting positions of the second camera 62, the third camera 63, and the fourth camera 64 with respect to the shooting position of the first camera 61 are the numbers of bottles in the label mounting unit 4, respectively.
  • the case of “1”, “22”, and “33” is taken as an example, but the second camera 62, the third camera 63, and the fourth camera 64 are relative to the shooting position of the first camera 61.
  • the photographing position can be arbitrarily changed. For example, the opening state of the label L may be photographed instead of the receiving posture of the bottle B, and the cause of the defect in the process from receiving the label L to opening may be monitored.
  • the judgment threshold values in steps S24 and S27 to S29 and the arithmetic expressions for the address values k1 to k3 in steps S30 to S33 change accordingly.
  • the display on the display unit 60h while the label mounting apparatus 1 is performing the label mounting process only instantaneously displays the four pieces of photographing data shown in FIG. 16 or FIG.
  • the display screen may be switched between the instantaneous display of the four pieces of photographing data and the list display form of the bottle B with the label where the defect has occurred.
  • the operator can visually recognize that the label mounting process is being executed by instantaneous display of the four pieces of photographing data, and also the occurrence status (occurrence frequency and occurrence time of the bottle B with a label by the list display. Distribution, etc.) and the operator can easily determine whether maintenance is necessary.
  • the above-described plural types of display forms may be switched by the operator by selecting a display mode from the operation unit 60g, or may be automatically switched according to the occurrence state of the label mounting failure.
  • the analysis control unit 60a reads the analysis result and a plurality of pieces of imaging data included in the analysis result from the analysis result storage unit 60f. Then, processing for generating image data for collectively displaying the captured data in a predetermined format corresponding to the selected display mode and displaying the image data on the display unit 60h is performed.
  • the quality of label mounting was judged using the test
  • inspection picked-up image of the bottle B with a label was used.
  • four pieces of photographing data related to the defective label L, bottle B, or labeled bottle B are analyzed result storage unit 60f. You may make it preserve
  • the operator can select the process of receiving the label, receiving the bottle, and attaching the label from the operation unit 60g. That is, in the initial setting for operating the label mounting apparatus 1, a selection screen of “with inspection” and “without inspection” is displayed on the display unit 60h for each process of label reception, bottle reception, and label mounting processing. It is recommended that the user select either “with inspection” or “without inspection”.
  • the inspection location of the bottle B with a label is photographed with a camera, and not only the quality of label mounting is determined using the photographed image, but also defective.
  • the photographed image for each process such as the label L receiving process and the bottle B receiving process for producing the labeled bottle B by the label mounting apparatus 1 together with the inspection photographed image and the entire labeled bottle B are obtained. Since the photographed image is stored in the analysis result storage unit 60f, when an operator analyzes a defect at the time of maintenance, in which process the cause of occurrence of the defect is generated, the defect of the process that causes the defect is determined. The degree of adjustment can be easily grasped.
  • the analysis processing unit 60a ranks the receiving posture of the label L and the receiving posture of the bottle B, and when the inspection of the bottle B with the label is determined to be defective, the receiving posture of the label L and the bottle B is determined. By analyzing how much the condition affects the inspection defect, it is possible to eliminate the subjective judgment of the worker and to investigate the cause of the defect more objectively and quickly.
  • the label attachment that occurs during operation is controlled by controlling the safety measures (including alarm to the worker) such as whether or not to stop the operation of the label attachment device 1 based on the analysis result in the analysis processing unit 60a. It is easy to take appropriate measures against defects.

Abstract

When a label attachment failure occurs, a burden of an operator in investigating a cause of the failure can be reduced. In a label attachment device (1), while a large number of label attachment heads (41) of a label attachment unit (4) move around a rotary, receive a large number of cylindrical labels (L) from a label supply unit (3), receive a large number of bottles (B) from a bottle supply unit (2), and attach the respective labels (L) to the respective bottles (B) by opening the labels (L) and covering the labels (L) onto the bottles (B). At a label receiving position (P1) and a bottle receiving position (P4), receiving states of the label (L) and the bottle (B) are photographed by a camera (64) and a camera (63). At a label attachment examination position (P3), the label (L) attached to the bottle (B) is photographed by a camera (61), and whether the label attachment is good or bad is determined by pattern matching using the photographed image. In the case of attachment failure, the images photographed for examination and the photographed images of the label receiving state and the bottle receiving state, photographed by the cameras (61, 63, 64), are stored in a memory as a set of photographed images for failure analysis.

Description

ラベル装着装置Label mounting device
　本発明は、ビンやＰＥＴボトルなどの容器の胴部外周面にシュリンクラベルなどの筒状フィルムからなるラベルを自動装着するラベル装着装置に係り、特にカメラで撮影した画像を用いてラベル装着済みの容器が不良になった場合の当該良否を解析することができるラベル装着装置に関するものである。 The present invention relates to a label mounting apparatus that automatically mounts a label made of a tubular film such as a shrink label on the outer peripheral surface of a body of a container such as a bottle or a PET bottle, and in particular, the label has been mounted using an image taken with a camera. The present invention relates to a label mounting apparatus that can analyze the quality of a container when it becomes defective.
　従来、特許第４１１３４１０号公報や特開２００２－２４９１１４号公報に示されるように、容器の胴部外周面に筒状フィルムからなるラベルを自動装着するラベル装着装置が知られている。 Conventionally, as disclosed in Japanese Patent No. 4113410 and Japanese Patent Application Laid-Open No. 2002-249114, a label mounting apparatus for automatically mounting a label made of a cylindrical film on the outer peripheral surface of a body of a container is known.
　図２１は、ラベル装着装置の基本構成の一例を示す図であるが、ラベル装着装置１００は、ボトル供給部１０１、ラベル供給部１０２、ラベル受渡部１０３、ロータリー型のラベル装着部１０４及びボトル搬出部１０５の５つの基本構成を備えている。 FIG. 21 is a diagram illustrating an example of a basic configuration of the label mounting apparatus. The label mounting apparatus 100 includes a bottle supply unit 101, a label supply unit 102, a label delivery unit 103, a rotary type label mounting unit 104, and a bottle unloading unit. The unit 105 has five basic configurations.
　ボトル供給部１０１は、多数のボトルＢを所定の間隔でロータリー型のラベル装着部１０４に供給する機能を果す部分である。一方、ボトル搬出部１０５は、ラベル装着部１０４でラベルＬが装着されたボトルＢを後工程に搬出する機能を果す部分である。複数本のボトルＢは、ボトル供給部１０１によりラベル装着部１０４のボトル供給位置Ｋ１から順番に供給され、各ボトルＢはラベル装着部１０４の円周上を移動し、ボトル搬出位置Ｋ２に至ると、ボトル搬出部１０５によりラベル装着部１０４から取り除かれる。 The bottle supply unit 101 is a part that performs the function of supplying a large number of bottles B to the rotary type label mounting unit 104 at predetermined intervals. On the other hand, the bottle unloading unit 105 is a part that performs the function of unloading the bottle B on which the label L is mounted in the label mounting unit 104 to a subsequent process. A plurality of bottles B are sequentially supplied from the bottle supply position K1 of the label mounting unit 104 by the bottle supply unit 101, and each bottle B moves on the circumference of the label mounting unit 104 and reaches the bottle carry-out position K2. The bottle unloading unit 105 removes the label from the label mounting unit 104.
　ラベル供給部１０２は、筒状で帯状のシュリンクフィルムに同一絵柄のラベルが連続的に印刷されたラベル基材Ｍから各ラベルＬを切り離して多数のラベルＬを生成する機能を果す部分である。ラベル受渡部１０３は、ラベル供給部１０２で所定の間隔で生成されるラベルＬをラベル装着部１０４に受け渡す機能を果す部分である。ラベル受渡部１０３は、円軌道上を周回する複数本のテイクアップ部材１０３ａを有し、ラベル供給位置Ｋ３でラベル供給部１０２から供給される各ラベルＬを各テイクアップ部材１０３ａで受け取り、ラベル受渡位置Ｋ４でラベル装着部１０４に受け渡す。 The label supply unit 102 is a part that performs a function of generating a large number of labels L by separating each label L from a label base material M on which a label with the same pattern is continuously printed on a cylindrical, strip-shaped shrink film. The label delivery unit 103 is a part that performs the function of delivering the label L generated at a predetermined interval by the label supply unit 102 to the label mounting unit 104. The label delivery unit 103 has a plurality of take-up members 103a that circulate on a circular orbit. Each label L supplied from the label supply unit 102 at the label supply position K3 is received by each take-up member 103a, and the label delivery unit 103a receives the labels L. Delivered to the label mounting unit 104 at position K4.
　ラベル装着部１０４は、ボトル供給位置Ｋ１でボトル供給部１０１から受け取る各ボトルＢにラベル受渡位置Ｋ４でラベル受渡部１０３から渡される各ラベルＬを装着する機能を果す部分である。ロータリー型のラベル装着部１０４には周縁に沿って３０本のボトルＢを保持するボトル保持部が設けられるとともに、各ボトル保持部の上方にボトル保持部に保持されたボトルＢにラベルＬを装着するためのラベル装着ヘッド（図略）が設けられている。 The label mounting unit 104 is a part that performs a function of mounting each label L delivered from the label delivery unit 103 at the label delivery position K4 to each bottle B received from the bottle delivery unit 101 at the bottle delivery position K1. The rotary type label mounting unit 104 is provided with a bottle holding unit that holds 30 bottles B along the periphery, and a label L is mounted on the bottle B held by the bottle holding unit above each bottle holding unit. A label mounting head (not shown) is provided.
　ラベル装着部１０４は、回転動作によって各ラベル装着ヘッドを所定の円軌道上を時計回りに移動させてラベル受渡位置Ｋ４でラベル受渡部１０３から筒状のラベルＬを受け取る。また、ラベル装着部１０４は、その下流側で各ボトル保持部がボトル供給位置Ｋ１を通過するときにボトル供給部１０１からボトルＢを受け取る。そして、各ボトルＢがボトル供給位置Ｋ１からボトル搬出位置Ｋ２に移動する間（円軌道上を５／６周する間）に、ラベル装着ヘッドがラベル受渡位置Ｋ４で受け取っている筒状のラベルＬを開いて上から被せるようにしてボトルＢに装着する。ラベルＬが装着されたボトルＢは、ラベル装着部１０４の回転によりボトル搬出位置Ｋ２に搬送されると、ボトル搬出部１０５によってラベル装着部１０４から取り除かれ、後工程に搬出される。 The label mounting unit 104 receives the cylindrical label L from the label transfer unit 103 at the label transfer position K4 by moving each label mounting head clockwise on a predetermined circular orbit by a rotating operation. The label mounting unit 104 receives the bottle B from the bottle supply unit 101 when each bottle holding unit passes the bottle supply position K1 on the downstream side. The cylindrical label L received by the label mounting head at the label delivery position K4 while each bottle B moves from the bottle supply position K1 to the bottle carry-out position K2 (during 5/6 rounds on the circular path). Open the bottle and put it on the bottle B so that it covers from above. When the bottle B with the label L mounted thereon is conveyed to the bottle unloading position K2 by the rotation of the label mounting unit 104, the bottle B is removed from the label mounting unit 104 by the bottle unloading unit 105 and is carried out to the subsequent process.
特許第４１１３４１０号公報Japanese Patent No. 4131410 特開２００２－２４９１１４号公報JP 2002-249114 A 特開２００９－０９３３６６号公報JP 2009-093366 A
　ラベル装着装置１００は、上記のように、互いに独立したボトル供給部１０１、ラベル供給部１０２、ラベル受渡部１０３、ロータリー型のラベル装着部１０４及びボトル搬出部１０５が互いに連係してラベルＬとボトルＢのラベル装着部１０４への供給を行うとともに、両者がラベル装着部１０４のロータリー上を移動している間にラベル装着部１０４が筒状のラベルＬを開いてボトルＢに装着するという動作を行うので、各部が正常に動作していなければ、ラベル装着部１０４でラベルＬが装着されたボトルＢ（以下、「ラベル付きボトル」という。）に装着不良が発生する。 As described above, the label mounting apparatus 100 includes the bottle L, the label supply unit 102, the label delivery unit 103, the rotary label mounting unit 104, and the bottle unloading unit 105, which are linked to each other. B is supplied to the label mounting unit 104, and the label mounting unit 104 opens the cylindrical label L and mounts it on the bottle B while both are moving on the rotary of the label mounting unit 104. Therefore, if each unit does not operate normally, a mounting failure occurs in the bottle B (hereinafter referred to as “labeled bottle”) in which the label L is mounted in the label mounting unit 104.
　ラベルＬの装着不良とは、ラベルＬが装着されていないという不良は元より、例えば、ボトルＢの胴部外周面の所定の位置にラベルＬが上下方向又は左右方向に所定の許容範囲内で装着されていない（縦方向と横方向の位置ずれ）という位置ずれなどである。 For example, the label L is not properly attached, for example, the label L is placed at a predetermined position on the outer peripheral surface of the body of the bottle B within a predetermined allowable range vertically or horizontally. For example, a positional deviation that is not attached (a positional deviation between the vertical direction and the horizontal direction).
　上記のようなラベルＬの位置ずれの良否を判定する方法として、ラベルＬをカメラで撮影し、その撮影画像と予め用意された検査基準の画像とのズレをパターンマッチングによって算出し、その算出結果から良否判定をする方法が知られている（例えば、特開２００９－０９３３６６号公報参照）。 As a method of determining the quality of the positional deviation of the label L as described above, the label L is photographed with a camera, and a deviation between the photographed image and an inspection standard image prepared in advance is calculated by pattern matching. Is known from the Japanese Patent Application Laid-Open No. 2009-093366.
　しかしながら、上記の撮影画像を用いた判定方法は、最終工程におけるラベル付きボトルＢに対してラベル装着の良否を判定するものであり、その目的はラベル装着装置１００から不良品を排除して後工程には良品だけを流すというものである。すなわち、ラベル装着装置１００から搬出されるラベル付きボトルＢの品質を検査するだけである。従って、撮影画像はラベル装着装置１００でラベルＬが装着されたボトルＢに対して取得され、撮影画像からラベル装着装置１００のどの工程で不良の要因が発生したのかを解析することまで意図してラベル装着装置１００の複数の箇所で撮影画像を取得することは行われていない。 However, the determination method using the photographed image described above is to determine whether or not the label is attached to the bottle B with the label in the final process, and the purpose is to eliminate the defective product from the label mounting apparatus 100 and perform the subsequent process. In this case, only good products are allowed to flow. That is, only the quality of the bottle B with a label carried out from the label mounting apparatus 100 is inspected. Therefore, the captured image is acquired for the bottle B on which the label L is mounted by the label mounting apparatus 100, and the intention is to analyze from which the defective factor has occurred in the process of the label mounting apparatus 100 from the captured image. Acquisition of captured images at a plurality of locations of the label mounting apparatus 100 is not performed.
　近年、ラベル装着処理の高効率化の要請に伴い、ラベル装着装置のラベル装着処理速度の高速化が図られ、７００個／分以上の速度でラベルＬをボトルＢに装着することができるラベル装着装置の商品化がなされている。 In recent years, with the demand for higher efficiency of label mounting processing, the label mounting processing speed of the label mounting apparatus has been increased, and label mounting capable of mounting the label L on the bottle B at a speed of 700 pieces / minute or more. Equipment has been commercialized.
　このような高速のラベル装着装置ではラベル装着の量産を開始すると、急停止させることは困難であるので、一般に、ラベル装着不良が単発的に生じる場合はラベルの装着処理は継続して後工程でラベル装着不良のボトルを排除し、ラベル装着不良が連続的に発生し、ラベル装着装置の調整が必要と判断される場合にラベルの装着処理を停止して不良原因を調査し、その調査結果に基づいてラベル装着装置の調整が行なわれる。 In such a high-speed label mounting apparatus, it is difficult to stop suddenly when mass production of label mounting is started, so in general, when a label mounting failure occurs once, the label mounting process is continued in a later process. Eliminate bottles with poor label placement, and when label placement failures occur continuously and it is determined that label placement equipment needs to be adjusted, stop the label loading process and investigate the cause of the failure. Based on this, the label mounting apparatus is adjusted.
　ラベル装着装置では、ラベル装着部の不具合だけでなく、ラベル装着部がラベル供給部からラベルを受け取る部分やボトル供給部からボトルを受け取る部分などでラベルの姿勢やボトルの姿勢が不適切であると、それがラベル装着部におけるラベル装着処理でラベル装着の不良原因となることがある。このため、ラベルの装着処理中にその処理を停止して不良原因を調査しなければならない状態が生じると、ボトルに装着されたラベルの位置ずれの具合を見ただけでは、その不良の原因の発生場所を特定することができず、不良原因を究明するために非常に長い時間を要することになる。 In the label mounting device, not only the malfunction of the label mounting part, but also the label posture and the bottle posture are inappropriate in the part where the label mounting part receives the label from the label supply part and the part that receives the bottle from the bottle supply part This may cause defective label mounting in the label mounting process in the label mounting unit. For this reason, if there is a situation where the process must be stopped and the cause of the defect investigated during the label attachment process, just looking at the misalignment of the label attached to the bottle will cause the cause of the defect. The location of the occurrence cannot be specified, and it takes a very long time to investigate the cause of the failure.
　高速処理が可能なラベル装着装置では、ラベルやボトルの受取姿勢の僅かのズレでもラベル装着部におけるラベル装着不良に繋がるので、ラベル装着不良が生じた場合の原因究明の負担は更に大きくなる。 In a label mounting apparatus capable of high-speed processing, even a slight deviation in the label or bottle receiving posture leads to a label mounting failure in the label mounting portion, and the burden of investigating the cause when a label mounting failure occurs further increases.
　本発明は、上記の事情に鑑みてなされたものであり、ラベル供給工程、ボトル供給工程、ラベル装着工程などの複数の工程でラベルやボトルやラベルが装着されたボトルなどの撮影画像を取得し、ラベル装着工程でラベル装着不良と判定された場合には当該不良と判定されたラベル付きボトルに関連する各工程での撮影画像を用いて不良の原因を解析することができるラベル装着装置を提供することを目的とする。 The present invention has been made in view of the above circumstances, and obtains a photographed image of a label, a bottle, or a bottle with a label attached thereto in a plurality of steps such as a label supply step, a bottle supply step, and a label attachment step. Provided with a label mounting apparatus capable of analyzing the cause of a failure using a photographed image at each process related to a bottle with a label determined to be defective when it is determined that the label mounting process is defective. The purpose is to do.
　請求項１に記載の発明は、ラベルが連続的に印刷されたラベル基材をラベル切断位置に搬送し、前記ラベル基材から切り離すことによって前記ラベルを供給するラベル供給手段と、前記ラベルを装着すべき複数の容器を搬送する容器搬送手段と、前記ラベル切断位置で前記ラベル基材から前記ラベルが切り離される毎に当該ラベルを受け取り、前記容器の搬送経路上に設けられたラベル装着位置に搬送して当該ラベル装着位置に搬送された容器に装着するラベル装着手段と、前記ラベル装着位置で前記容器に前記ラベルが装着される毎に当該容器に装着されたラベルを第１の撮影手段で撮影し、その撮影画像を用いて前記ラベルが装着された容器を検査する検査手段と、を備えたラベル装着システムにおいて、前記ラベル供給手段による前記ラベルの供給工程、前記容器搬送手段による前記容器の搬送工程及び前記ラベル装着手段による前記容器への前記ラベルの装着工程の少なくとも１の工程に設けられ、当該工程内の所定の位置に搬送される前記ラベル又は前記容器を撮影する第２の撮影手段と、前記第１の撮影手段及び前記第２の撮影手段で撮影された撮影画像を一時記憶する第１の記憶手段と、前記検査手段により不良と判定された場合、その判定に用いた前記第１の撮影手段の撮影画像とその判定の対象となったラベル又は容器を撮影した前記第２の撮影手段の撮影画像を前記第１の記憶手段から第２の記憶手段に転送して不良解析用画像として保存する撮影画像保存制御手段と、を備えたことを特徴とする。 According to the first aspect of the present invention, there is provided a label supply means for supplying the label by conveying the label base material on which the label is continuously printed to a label cutting position and separating the label base material from the label base material, and mounting the label Container transport means for transporting a plurality of containers to be received, and each time the label is separated from the label substrate at the label cutting position, the label is received and transported to a label mounting position provided on the transport path of the container The label mounting means for mounting on the container transported to the label mounting position, and the label mounted on the container every time the label is mounted on the container at the label mounting position is photographed by the first photographing means. And an inspection unit that inspects the container on which the label is mounted using the photographed image. It is provided in at least one of a label supply process, a container transport process by the container transport means, and a label mounting process to the container by the label mounting means, and transported to a predetermined position in the process. Defective due to the second photographing means for photographing the label or the container, the first storage means for temporarily storing the photographed image photographed by the first photographing means and the second photographing means, and the inspection means. If it is determined, the first storage unit stores the captured image of the first imaging unit used for the determination and the captured image of the second imaging unit that captured the label or container subjected to the determination. And a photographed image storage control unit that transfers the image to the second storage unit and stores it as an image for defect analysis.
　請求項２に記載の発明は、請求項１に記載のラベル装着装置において、前記第１の記憶手段は、前記第１の撮影手段及び前記第２の撮影手段で撮影された撮影画像を所定の枚数だけ記憶する記憶容量を有し、前記第１の撮影手段及び前記第２の撮影手段で撮影が行なわれる毎にそれらの撮影画像を前記第１の記憶手段に記憶し、最新の撮影画像を前記所定の枚数分だけ一時的に記憶させる撮影画像記憶制御手段を更に備えたことを特徴とする。 According to a second aspect of the present invention, in the label mounting apparatus according to the first aspect, the first storage unit stores a photographed image photographed by the first photographing unit and the second photographing unit. Each of the first and second imaging units has a storage capacity for storing the number of images and stores the captured images in the first storage unit every time the first imaging unit and the second imaging unit perform imaging. It is further characterized by further comprising captured image storage control means for temporarily storing the predetermined number of sheets.
　請求項３に記載の発明は、請求項１又は２に記載のラベル装着装置において、前記検査手段の検査結果を表示手段に表示させるために作業者が操作する操作手段と、前記作業者により前記操作手段が操作されると、前記第２の記憶手段に不良解析用画像として保存された第１及び第２の撮影手段の撮影画像を所定のフォーマットで前記表示手段に表示する画像表示制御手段と、を更に備えを備えたことを特徴とする。 According to a third aspect of the present invention, in the label mounting device according to the first or second aspect, the operator operates the display unit to display the inspection result of the inspection unit on the display unit. When the operation means is operated, an image display control means for displaying the captured images of the first and second imaging means stored as defect analysis images in the second storage means on the display means in a predetermined format; Are further provided.
　請求項４に記載の発明は、請求項１又は２に記載のラベル装着装置において、前記第２の撮影手段の撮影画像を用いて前記ラベル又は前記容器の姿勢の良否を判定する判定手段を更に備えたことを特徴とする。 According to a fourth aspect of the present invention, there is provided the label mounting apparatus according to the first or second aspect, further comprising: a determination unit that determines whether the label or the container is in a good posture using a photographed image of the second photographing unit. It is characterized by having.
　請求項５に記載の発明は、請求項４に記載のラベル装着装置において、前記検査手段による検査結果が不良の場合、その検査結果と前記判定手段の判定結果に基づいて、前記ラベルの供給工程、前記容器の搬送工程及び前記ラベルの装着工程のいずれに不良の発生原因があるかを解析する解析手段を更に備えたことを特徴とする。 According to a fifth aspect of the present invention, in the label mounting apparatus according to the fourth aspect, when the inspection result by the inspection unit is defective, the label supply step based on the inspection result and the determination result of the determination unit The apparatus further comprises an analyzing means for analyzing which of the container transporting process and the label mounting process has a cause of failure.
　請求項６に記載の発明は、請求項５に記載のラベル装着装置において、前記検査手段の検査結果を表示手段に表示させるために作業者が操作する操作手段と、前記作業者により前記操作手段が操作されると、前記解析手段の解析結果とともに前記第２の記憶手段に不良解析用画像として保存された第１及び第２の撮影手段の撮影画像を所定のフォーマットで前記表示手段に一括表示する表示制御手段と、を更に備えたことを特徴とする。 According to a sixth aspect of the present invention, in the label mounting apparatus according to the fifth aspect, the operator operates the display unit to display the inspection result of the inspection unit, and the operation unit is operated by the operator. Is operated, the captured images of the first and second photographing means stored as defect analysis images in the second storage means together with the analysis result of the analyzing means are collectively displayed on the display means in a predetermined format. And a display control means.
　請求項７に記載の発明は、請求項１乃至６のいずれかに記載のラベル装着装置において、前記検査手段による検査結果が不良の場合、その検査結果を報知する報知手段を更に備えたことを特徴とする。 A seventh aspect of the present invention is the label mounting device according to any one of the first to sixth aspects, further comprising a notifying means for notifying the inspection result when the inspection result by the inspection means is defective. Features.
　本発明によれば、ラベル装着位置で容器にラベルが装着される毎に、そのラベルをカメラで撮影してその撮影画像を用いてラベル装着の良否を判定し、不良と判定された場合は、その撮影画像とともに、不良と判定されたラベル付きボトルに関係するラベルやボトルの供給工程における撮影画像を不良解析用画像として第２の記憶手段に記憶するようにしたので、メンテナンス時に作業者が不良を解析するとき、不良の発生原因がどの工程で生じているのか、不良発生原因となる工程に対する不良の調整具合などを容易に把握することができる。 According to the present invention, every time a label is attached to the container at the label attachment position, the label is photographed with a camera and the quality of the label is judged using the photographed image. Along with the photographed image, the label associated with the bottle with the label determined to be defective and the photographed image in the bottle supply process are stored in the second storage means as the defect analysis image, so that the worker is defective during maintenance. When analyzing the above, it is possible to easily grasp in which process the cause of occurrence of the defect occurs, the degree of adjustment of the defect with respect to the process causing the defect, and the like.
　本発明のその他の特徴および利点は、添付図面を参照して以下に行う詳細な説明によって、より明らかとなろう。 Other features and advantages of the present invention will become more apparent from the detailed description given below with reference to the accompanying drawings.
本発明に係るラベル装着装置の外観を示す斜視図である。It is a perspective view which shows the external appearance of the label mounting apparatus which concerns on this invention. 同ラベル装着装置を上から見た図である。It is the figure which looked at the label mounting apparatus from the top. 同ラベル装着装置を正面から見た図である。It is the figure which looked at the label mounting apparatus from the front. 第１カメラ～第４カメラでそれぞれ撮影される撮影画像の一例を示す出図である。FIG. 6 is an output diagram illustrating an example of captured images respectively captured by a first camera to a fourth camera. ラベル供給部のラベル基材から各ラベルを切り離してラベル装着部にラベルを供給する部分の構成を示す図である。It is a figure which shows the structure of the part which cuts off each label from the label base material of a label supply part, and supplies a label to a label mounting part. ラベル供給部からラベル装着部にラベルを受け渡す構成を示す図である。It is a figure which shows the structure which delivers a label from a label supply part to a label mounting part. ラベル装着ヘッドの構成を示す正面図である。It is a front view which shows the structure of a label mounting head. 同ラベル装着ヘッドの構成を示す側面図である。It is a side view which shows the structure of the label mounting head. ラベル受取ユニットの構成を示し、（ａ）は正面図、（ｂ）は側面図である。The structure of a label receiving unit is shown, (a) is a front view and (b) is a side view. ラベル装着ユニットの構成を示し、（ａ）は正面図、（ｂ）は側面図である。The structure of a label mounting unit is shown, (a) is a front view, (b) is a side view. 図７のＸ－Ｘ線に沿った断面図である。FIG. 8 is a cross-sectional view taken along line XX of FIG. 図７のＹ－Ｙ線に沿った断面図である。FIG. 8 is a cross-sectional view taken along line YY in FIG. ラベル装着部におけるラベルのボトルへの装着シーケンスを示す要部斜視図である。It is a principal part perspective view which shows the mounting sequence to the bottle of the label in a label mounting part. 解析装置の解析処理を行なうための構成を示す機能ブロックで示した図である。It is the figure shown with the functional block which shows the structure for performing the analysis process of an analyzer. ４種類の映像データを保存する４つの撮影画像保存領域の構成の一例を示す図である。It is a figure which shows an example of a structure of the four picked-up image storage area | region which preserve | saves four types of video data. 表示部に表示されるラベル装着の検査結果を示す画像の一例を示す図である。It is a figure which shows an example of the image which shows the test result of the label mounting | wearing displayed on a display part. 表示部に表示されるラベル装着の検査結果を示す画像の変形例を示す図である。It is a figure which shows the modification of the image which shows the test result of the label mounting | wearing displayed on a display part. 撮影制御部による第１カメラ～第４カメラの撮影制御の処理手順を示すフローチャートである。10 is a flowchart illustrating a processing procedure of shooting control of the first camera to the fourth camera by the shooting control unit. 第１カメラ～第４カメラにおける撮影動作を示すフローチャートである。6 is a flowchart showing a photographing operation in the first camera to the fourth camera. 解析処理部による解析処理の処理手順を示すフローチャートである。It is a flowchart which shows the process sequence of the analysis process by an analysis process part. 解析処理部による解析処理の処理手順を示すフローチャートである。It is a flowchart which shows the process sequence of the analysis process by an analysis process part. ラベル装着装置の基本構成の一例を示す図である。It is a figure which shows an example of the basic composition of a label mounting apparatus.
　１　ラベル装着装置
　２　ボトル供給部（容器供給手段）
　３　ラベル供給部（ラベル供給手段）
　３０　ラベル基材繰出部
　３１　ラベル基材切断部
　３２　ラベル移送部
　３３　吸着補助部
　３４　ラベル受渡部
　３５　ラベル検出センサ
　４　ラベル装着部（ラベル装着手段）
　４０　支持盤
　４１　ラベル装着ヘッド
　４２　ラベル受取ユニット
　４２３　テイクアップ部材
　４３　ラベル装着ユニット
　４３１　取付部材
　４３２　カム機構
　４３３　本体
　４３４　開閉アーム
　４３５　吸引杆
　４３６　開閉機構
　４４０　カム部材
　４４１　カム機構
　４４　円筒体
　５　ボトル搬出部
　５０　ボトル受取ユニット
　５１　ベルトコンベア
　６　ラベル装着不良解析部
　６０　解析装置（検査手段）
　６０ａ　解析処理部（検査手段、撮影画像保存制御手段、画像表示制御手段、判定手段、解析手段）
　６０ｂ　撮影制御部（撮影画像記憶制御手段）
　６０ｃ　撮影画像記憶部（第１の記憶手段）
　６０ｄ　インターフェース部
　６０ｅ　カメラ部
　６０ｆ　解析結果記憶部（第２の記憶手段）
　６０ｇ　操作部（操作手段）
　６０ｈ　表示部（表示手段、報知手段）
　６１　第１カメラ（第１の撮影手段）
　６２　第２カメラ（第２の撮影手段）
　６３　第３カメラ（第３の撮影手段）
　６４　第４カメラ（第４の撮影手段）
　α　回転基準位置
　Ｐ０　ラベル切断位置
　Ｐ１　ラベル受取位置
　Ｐ２　ラベル装着位置
　Ｐ３　ラベル検査位置
　Ｐ４　ボトル受取位置
　Ｐ５　ボトル受渡 DESCRIPTION OF SYMBOLS 1 Label mounting apparatus 2 Bottle supply part (container supply means)
3 Label supply section (label supply means)
DESCRIPTION OF SYMBOLS 30 Label base material delivery part 31 Label base material cutting part 32 Label transfer part 33 Adsorption assist part 34 Label delivery part 35 Label detection sensor 4 Label mounting part (label mounting means)
DESCRIPTION OF SYMBOLS 40 Support board 41 Label mounting head 42 Label receiving unit 423 Take-up member 43 Label mounting unit 431 Mounting member 432 Cam mechanism 433 Main body 434 Opening / closing arm 435 Suction bar 436 Opening / closing mechanism 440 Cam member 441 Cam mechanism 44 Cylindrical body 5 Bottle unloading part 50 Bottle receiving unit 51 Belt conveyor 6 Label attachment failure analysis unit 60 Analysis device (inspection means)
60a Analysis processing unit (inspection means, captured image storage control means, image display control means, determination means, analysis means)
60b Shooting control unit (shot image storage control means)
60c Photographed image storage unit (first storage unit)
60d interface unit 60e camera unit 60f analysis result storage unit (second storage unit)
60g Operation part (operation means)
60h Display section (display means, notification means)
61 1st camera (1st imaging means)
62 Second camera (second photographing means)
63 Third camera (third photographing means)
64 Fourth camera (fourth photographing means)
α Rotation reference position P0 Label cutting position P1 Label receiving position P2 Label mounting position P3 Label inspection position P4 Bottle receiving position P5 Bottle delivery
　以下、本発明の好ましい実施の形態を、添付図面を参照して具体的に説明する。 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
　図１は、本発明に係るラベル装着装置の外観を示す斜視図であり、図２は、同ラベル装着装置を上から見た図であり、図３は、同ラベル装着装置を正面から見た図である。 FIG. 1 is a perspective view showing an appearance of a label mounting apparatus according to the present invention, FIG. 2 is a view of the label mounting apparatus as viewed from above, and FIG. 3 is a front view of the label mounting apparatus. FIG.
　ラベル装着装置１は、ボトル供給部２、ラベル供給部３、ロータリー型のラベル装着部４、ボトル搬出部５及びラベル装着不良解析部６を備える。 The label mounting device 1 includes a bottle supply unit 2, a label supply unit 3, a rotary type label mounting unit 4, a bottle unloading unit 5, and a label mounting failure analysis unit 6.
　ボトル供給部２は、ラベルを装着すべきＰＥＴ（ポリエチレンテレフタレート）などの合成樹脂からなる多数のボトルタイプの容器（以下、「ボトル」という。）を所定の間隔で連続的にラベル装着部４に供給する機能を果す部分である。 The bottle supply unit 2 continuously supplies a number of bottle-type containers (hereinafter referred to as “bottles”) made of a synthetic resin such as PET (polyethylene terephthalate) to which labels are to be mounted to the label mounting unit 4 at predetermined intervals. It is the part that fulfills the function.
　ラベル供給部３は、ポリエステル系樹脂やポリエチレン系樹脂などからなる、筒状で帯状の熱収縮フィルム（シュリンクフィルム）に多数の同一絵柄（ラベル）を一定間隔で印刷したラベル基材Ｍをラベル切断位置Ｐ０（図５参照）に搬送し、そのラベル基材Ｍの搬送速度に同期して当該ラベル基材Ｍの各ラベルＬ（図３参照）の境界位置を切断することにより多数のラベルＬを所定の間隔で連続的にラベル装着部４に供給する機能を果す部分である。 The label supply unit 3 cuts a label base material M made of a polyester-based resin, a polyethylene-based resin, or the like, on which a plurality of the same patterns (labels) are printed on a cylindrical, belt-shaped heat-shrink film (shrink film) at regular intervals. A large number of labels L are transferred by cutting the boundary positions of the labels L (see FIG. 3) of the label base material M in synchronization with the transport speed of the label base material M. This is a part that performs the function of supplying the label mounting unit 4 continuously at a predetermined interval.
　ラベル装着部４は、ボトル供給部２から所定の間隔で供給される多数のボトルＢを所定の円軌道上を周回させながら各ボトルＢにラベル供給部３から供給される多数のラベルＬをそれぞれ装着する機能を果す部分である。 The label mounting unit 4 circulates a large number of labels L supplied from the label supply unit 3 to each bottle B while circulating a large number of bottles B supplied from the bottle supply unit 2 at predetermined intervals on a predetermined circular path. It is the part that fulfills the function of wearing.
　ボトル搬出部５は、ラベル装着部４でラベルＬが装着されたボトルＢ（ラベル付きボトルＢ）を受け取り、後工程に搬出する機能を果す部分である。 The bottle unloading unit 5 is a part that performs the function of receiving the bottle B (the bottle B with a label) on which the label L is mounted by the label mounting unit 4 and unloading it to a subsequent process.
　ラベル装着不良解析部６は、ラベル装着部４のラベル供給部３から供給されるラベルＬを受け取る位置Ｐ１（以下、「ラベル受取位置」という。）、ラベル装着部４のボトルＢにラベルＬが装着される位置Ｐ２（図２参照。以下、「ラベル装着位置」という。）、ラベル装着位置Ｐ２の一つ後のボトルＢの位置Ｐ３（図２参照。以下、「ラベル検査位置」という。）及びラベル装着部４のボトル供給部２から供給されるボトルＢを受け取る位置Ｐ４（以下、「ボトル受取位置」という。）の各位置でラベル装着部４に供給されるボトルＢ、ラベルＬ、ラベル付きボトルＢ及びラベル付きボトルＢの検査部分をそれぞれカメラ６３、カメラ６４、カメラ６２、カメラ６１で撮影し、ラベル付きボトルＢの検査部分の撮影画像を用いて各ラベル付きボトルＢのラベル装着の良否の検査を行う。また、ラベル装着不良解析部６は、その検査で不良になった場合は、その製品に関係するラベルＬ、ボトルＢ及びラベル付きボトルＢの各撮影画像を当該製品のラベル検査部分の撮影画像とともに保存し、それらの撮影画像を用いて不良原因を解析する機能を果す部分である。そして、本実施形態に係るラベル装着装置１は、ラベル装着不良解析部６を備える点に特徴を有する。 The label mounting failure analysis unit 6 receives the label L supplied from the label supply unit 3 of the label mounting unit 4 (hereinafter referred to as “label receiving position”), and the label L is placed on the bottle B of the label mounting unit 4. Position P2 for mounting (see FIG. 2; hereinafter referred to as “label mounting position”), position P3 of the bottle B immediately after the label mounting position P2 (see FIG. 2, hereinafter referred to as “label inspection position”) And the bottle B, label L, and label supplied to the label mounting unit 4 at each position P4 (hereinafter referred to as “bottle receiving position”) for receiving the bottle B supplied from the bottle supply unit 2 of the label mounting unit 4. The inspection parts of the bottle B with the label and the bottle B with the label are photographed by the camera 63, the camera 64, the camera 62, and the camera 61, respectively, and each label is obtained using the photographed image of the inspection part of the bottle B with the label It can perform the inspection of the quality of the label attached to the bottle B. In addition, the label attachment failure analysis unit 6, when defective in the inspection, displays each photographed image of the label L, the bottle B, and the bottle B with the label related to the product together with the photographed image of the label inspection portion of the product. This is a part that performs the function of storing and analyzing the cause of the defect using those captured images. And the label mounting apparatus 1 which concerns on this embodiment has the characteristics in the point provided with the label mounting defect analysis part 6. FIG.
　図１～図３において、ラベル装着部４を基準に見ると、正面視でボトル供給部２はラベル装着部４の手前左側に配置され、ボトル搬出部５はラベル装着部４の手前右側に配置されている（図２，図３参照）。ラベル供給部３は、原反からラベル基材Ｍを繰り出し、そのラベル基材Ｍをラベル切断位置Ｐ０（図５参照）に搬送して切断する機構を備えるが、図１～図３では、ラベル基材Ｍを原反からラベル切断位置Ｐ０に搬送する部分は省略し、ラベル切断位置Ｐ０でラベル基材Ｍから各ラベルＬを切り離してラベル装着部４に供給する部分のみをラベル供給部３として記載している。 1 to 3, when viewed from the label mounting unit 4, the bottle supply unit 2 is arranged on the left side in front of the label mounting unit 4 and the bottle carry-out unit 5 is arranged on the right side in front of the label mounting unit 4. (See FIGS. 2 and 3). The label supply unit 3 includes a mechanism that feeds the label base material M from the original fabric, transports the label base material M to the label cutting position P0 (see FIG. 5), and cuts the label base material M in FIGS. The part for transporting the base material M from the original fabric to the label cutting position P0 is omitted, and only the part for separating each label L from the label base material M at the label cutting position P0 and supplying it to the label mounting part 4 is used as the label supply part 3. It is described.
　ラベル供給部３のラベル基材Ｍから各ラベルＬを切り離してラベル装着部４に供給する部分は、ラベル基材Ｍを上から下に搬送して各ラベルＬを切り離し、切り離したラベルＬをラベル装着部４でテイクアップ部材４２３（図５，図６参照）を横方向に移動させて受け取る構成であるので、正面視でラベル装着部４の右側上部に配置されている。 The portion of the label supply unit 3 that separates each label L from the label base M and supplies it to the label mounting unit 4 transports the label base M from top to bottom to separate each label L, and labels the separated label L Since the take-up member 423 (see FIGS. 5 and 6) is moved in the horizontal direction and is received by the mounting portion 4, the take-up member 423 is disposed on the upper right side of the label mounting portion 4 in a front view.
　なお、ラベル装着部４は、時計回りに回転するリング状の支持盤４０を備えている。この支持盤４０には周縁に沿って３０個のボトルＢを保持するボトル保持部（図１～図３では見えていない）が等間隔（角度で１２°間隔）で設けられ、各ボトル保持部の上部に、ラベル供給部３から供給される筒状のラベルＬを受け取り、当該ラベルＬを筒型に開いて各ボトル保持部に保持されているボトルＢに被せるようにして装着するラベル装着ヘッド４１（図２，図３参照）が設けられている。 The label mounting unit 4 includes a ring-shaped support board 40 that rotates clockwise. The support plate 40 is provided with bottle holders (not visible in FIGS. 1 to 3) for holding 30 bottles B along the periphery at equal intervals (at an angle of 12 °). The label mounting head which receives the cylindrical label L supplied from the label supply unit 3 and opens the label L in a cylindrical shape so as to cover the bottle B held in each bottle holding unit. 41 (see FIGS. 2 and 3) is provided.
　図２において、リング状の支持盤４０の中心から右方向を回転の基準方向とし、この基準方向の線上でラベル装着ヘッド４１が通過する位置を各ラベル装着ヘッド４１の回転基準位置αとすると、その回転基準位置αの上方にラベル受取位置Ｐ１が設けられている。また、その基準方向から時計回り（支持盤４０が回転する方向）に回転角「＋θ」を取ると、＋６０°の方向にボトル搬出部５にボトルＢを受け渡すボトル受渡位置Ｐ５が設けられ、＋１２０°回転した位置にボトル供給部２からボトルＢを受け取るボトル受取位置Ｐ４が設けられている。 In FIG. 2, assuming that the right direction from the center of the ring-shaped support plate 40 is the reference direction of rotation, and the position through which the label mounting head 41 passes on the reference direction line is the rotation reference position α of each label mounting head 41. A label receiving position P1 is provided above the rotation reference position α. Further, when the rotation angle “+ θ” is taken clockwise from the reference direction (direction in which the support plate 40 rotates), a bottle delivery position P5 is provided for delivering the bottle B to the bottle carry-out unit 5 in the + 60 ° direction. A bottle receiving position P4 for receiving the bottle B from the bottle supply unit 2 is provided at a position rotated by + 120 °.
　３０本のラベル装着ヘッド４１は、ラベル受取位置Ｐ１を通過する毎にそれぞれラベル供給部３から供給されるラベルＬを受け取る。また、支持盤４０上の３０個のボトル保持部は、ボトル受取位置Ｐ４を通過するときにそれぞれボトル供給部２から供給されるボトルＢを受け取り、ボトル受渡位置Ｐ５を通過するときにそれぞれラベルＬが装着されたボトルＢ（ラベル付きボトルＢ）をボトル搬出部５に受け渡す。なお、ボトル保持部に保持されたボトルＢは、ボトル受取位置Ｐ４からボトル受渡位置Ｐ５に移動するまでの間（支持盤４０が５／６回転する間）にラベル装着ヘッド４１によってラベルＬが装着される。 Each of the 30 label mounting heads 41 receives the label L supplied from the label supply unit 3 each time it passes through the label receiving position P1. Further, the 30 bottle holders on the support board 40 receive the bottle B supplied from the bottle supply unit 2 when passing through the bottle receiving position P4, and respectively label L when passing through the bottle delivery position P5. The bottle B (labeled bottle B) to which is attached is delivered to the bottle carry-out unit 5. The bottle B held in the bottle holding unit is loaded with the label L by the label loading head 41 until the bottle B moves from the bottle receiving position P4 to the bottle delivery position P5 (while the support plate 40 rotates 5/6). Is done.
　ボトル供給部２は、多数のボトルＢを搬送するベルトコンベア２０と、ベルトコンベア２０で搬送された多数のボトルＢを所定の間隔で一列に整列させて搬送するスクリュー２１と、スクリュー２１によって所定の間隔で搬送される多数のボトルＢをそれぞれ受け取ってラベル装着部４に渡すスターホイール２２とを備える。 The bottle supply unit 2 includes a belt conveyer 20 that conveys a large number of bottles B, a screw 21 that conveys a large number of bottles B conveyed by the belt conveyer 20 in a line at predetermined intervals, And a star wheel 22 that receives a number of bottles B conveyed at intervals and passes them to the label mounting unit 4.
　ベルトコンベア２０及びスクリュー２１はボトルＢの搬送方向の上流側から下流側（図２で左側から右側）にその順に配置され、スターホイール２２はスクリュー２１の後端部とラベル装着部４の間に配置されている。スターホイール２２は、周縁に１６個の凹部を有し、上面視で反時計周りに回転してスクリュー２１によって搬送される各ボトルＢを各凹部で受け取り、ラベル装着部４のボトル受取位置Ｐ４まで搬送する。 The belt conveyor 20 and the screw 21 are arranged in this order from the upstream side to the downstream side (left side to right side in FIG. 2) in the bottle B conveyance direction, and the star wheel 22 is disposed between the rear end portion of the screw 21 and the label mounting portion 4. Has been placed. The star wheel 22 has 16 recesses on the periphery, rotates counterclockwise when viewed from above, receives each bottle B conveyed by the screw 21 at each recess, and reaches the bottle receiving position P4 of the label mounting unit 4 Transport.
　ボトル搬出部５は、ラベル装着部４からラベル付きボトルＢを受け取るボトル受取ユニット５０と、このボトル受取ユニット５０で受け取ったボトルＢを後工程に搬送するベルトコンベア５１とを備える。ボトル受取ユニット５０は、ベルトコンベア５１の前端部とラベル装着部４の間に配置されている。 The bottle carry-out unit 5 includes a bottle receiving unit 50 that receives the bottle B with a label from the label mounting unit 4 and a belt conveyor 51 that conveys the bottle B received by the bottle receiving unit 50 to a subsequent process. The bottle receiving unit 50 is disposed between the front end portion of the belt conveyor 51 and the label mounting portion 4.
　ボトル受取ユニット５０は、図略の回転軸に１６個のボトル吸着部材５０ａを放射状に取り付け、各ボトル吸着部材５０ａでラベル付きボトルＢのみを受け取る構成のユニットである。ボトル受取ユニット５０は、図２において、反時計周りに回転してラベル装着部４によりボトル受渡位置Ｐ５に搬送された各ラベル付きボトルＢを各ボトル吸着部材５０ａで受け取り、ベルトコンベア５１まで搬送する。 The bottle receiving unit 50 is a unit having a configuration in which 16 bottle adsorbing members 50a are radially attached to a rotating shaft (not shown) and only the bottle B with a label is received by each bottle adsorbing member 50a. In FIG. 2, the bottle receiving unit 50 rotates counterclockwise and receives each labeled bottle B transported to the bottle delivery position P5 by the label mounting portion 4 by each bottle adsorbing member 50a and transports it to the belt conveyor 51. .
　多数のボトルＢは、正面視で、ボトル供給部２のベルトコンベア２０により左側から右側に搬送され、スクリュー２１でボトル間隔が所定の間隔に調整された後、スターホイール２２に受け渡され、当該スターホイール２２でラベル装着部４のボトル受取位置Ｐ４に搬送される。ボトル受取位置Ｐ４に搬送されたボトルＢはラベル装着部４の支持盤４０のボトル保持部４０ａ（図７，図８参照）に保持され、当該支持盤４０の回転によってボトル受渡位置Ｐ５まで搬送される。支持盤４０のボトル保持部４０ａに保持されたボトルＢは、ボトル受渡位置Ｐ５に搬送されるまでの間に当該ボトルＢの上部に設けられたラベル装着ヘッド４１によってラベルＬが装着される。支持盤４０によってボトル受渡位置Ｐ５に搬送されたラベル付きボトルＢは、ボトル受取ユニット５０のボトル吸着部材５０ａに受け渡され、ボトル受取ユニット５０の回転によってベルトコンベア５１に搬送される。そして、ラベル付きボトルＢはベルトコンベア５１によって再び左側から右側に後工程に向けて搬送される。 A large number of bottles B are conveyed from the left side to the right side by the belt conveyor 20 of the bottle supply unit 2 in front view, and after the bottle interval is adjusted to a predetermined interval by the screw 21, it is delivered to the star wheel 22, It is conveyed to the bottle receiving position P4 of the label mounting unit 4 by the star wheel 22. The bottle B conveyed to the bottle receiving position P4 is held by the bottle holding part 40a (see FIGS. 7 and 8) of the support board 40 of the label mounting part 4, and is conveyed to the bottle delivery position P5 by the rotation of the support board 40. The The bottle B held by the bottle holding part 40a of the support board 40 is loaded with the label L by the label loading head 41 provided on the upper part of the bottle B before being transported to the bottle delivery position P5. The labeled bottle B conveyed to the bottle delivery position P5 by the support board 40 is delivered to the bottle adsorption member 50a of the bottle receiving unit 50, and is conveyed to the belt conveyor 51 by the rotation of the bottle receiving unit 50. And the bottle B with a label is again conveyed from the left side to the right side by the belt conveyor 51 toward a post process.
　ラベル装着不良解析部６は、４台のカメラ６１～６４と、ラベル検査位置Ｐ３を撮影するカメラ６１の撮影画像を用いてラベル付きボトルＢのラベルＬの装着状態の良否を検査するとともに、不良となったラベル付きボトルＢに対しカメラ６２～６４の撮影画像を用いて不良の発生原因を解析する解析装置６０（図２参照）とを備える。なお、図１，図３では、解析装置６０を省略している。 The label attachment failure analysis unit 6 inspects whether the label L of the bottle B with the label B is attached or not using a photographed image of the four cameras 61 to 64 and the camera 61 that photographs the label inspection position P3. An analysis device 60 (see FIG. 2) is provided for analyzing the cause of the failure of the bottle B with the label using the images taken by the cameras 62 to 64. 1 and 3, the analysis device 60 is omitted.
　カメラ６１（以下、「第１カメラ６１」という。）は、ラベル装着部４のラベル装着位置Ｐ２よりボトル１個分だけ下流側のラベル検査位置Ｐ３でラベル付きボトルＢの所定の検査箇所（例えば、ラベルＬのエッジ部分など）を撮影するカメラである。第１カメラ６１では、図４（ａ）に示すように、ラベルＬの文字の部分などのパターンマッチングによる検査が可能な図柄が画角に含まれるように画角調整された画像が撮影される。図２では、ラベル検査位置Ｐ３は回転基準位置αからボトル３個分（回転角度で＋３６°分)だけラベル装着ヘッド４１を回転した位置となっている。 The camera 61 (hereinafter referred to as “first camera 61”) is a predetermined inspection point (for example, a label B) at a label inspection position P3 that is one bottle downstream of the label attachment position P2 of the label attachment unit 4. , The edge portion of the label L, etc.). As shown in FIG. 4A, the first camera 61 captures an image whose angle of view has been adjusted so that the angle of view includes a pattern that can be inspected by pattern matching, such as the character portion of the label L. . In FIG. 2, the label inspection position P3 is a position where the label mounting head 41 is rotated from the rotation reference position α by three bottles (rotation angle + 36 °).
　カメラ６２（以下、「第２カメラ６２」という。）は、ラベル検査位置Ｐ３よりボトル１個分（回転角度で１２°分）だけ上流側のラベル装着位置Ｐ２でラベル付きボトルＢの全体を撮影するカメラである。第２カメラ６２では、図４（ｂ）に示すように、画角にラベル付きボトルＢの全体が含まれるように画角調整された画像が撮影される。第１カメラ６１の撮影画像はラベル付きボトルＢの一部をスコープして撮影するため、その撮影画像によってラベル装着が不良と判断されてもボトルＢに対してラベルＬがどのように位置ずれしているのかが分からないので、それを解析するために第２カメラ６２によってラベル付きボトルＢの全体画像を撮影するようにしている。 The camera 62 (hereinafter referred to as “second camera 62”) takes an image of the entire labeled bottle B at the label mounting position P2 upstream by one bottle (12 ° rotation angle) from the label inspection position P3. Camera. As shown in FIG. 4B, the second camera 62 captures an image whose angle of view is adjusted so that the entire labeled bottle B is included in the angle of view. Since the captured image of the first camera 61 is captured by scoping a part of the labeled bottle B, how the label L is displaced with respect to the bottle B even if it is determined by the captured image that the label is not properly worn. In order to analyze this, the second camera 62 captures the entire image of the labeled bottle B.
　なお、本実施形態では、ボトルＢにラベルＬが装着されるラベル装着位置Ｐ２を第２カメラ６２の撮影位置としているが、ボトルＢがラベル装着位置Ｐ２からボトル受渡位置Ｐ５に搬送されるまでの間の適当な搬送位置を第２カメラ６２の撮影位置としてもよい。また、第１カメラ６１の撮影位置は第２カメラ６２の撮影位置に対してボトル１個分だけ下流側の位置としているが、第１カメラ６１の撮影位置と第２カメラ６２の撮影位置の間隔はボトル数個分離れていてもよい。 In the present embodiment, the label mounting position P2 at which the label L is mounted on the bottle B is the shooting position of the second camera 62, but the bottle B is transported from the label mounting position P2 to the bottle delivery position P5. An appropriate conveyance position in between may be set as the photographing position of the second camera 62. In addition, although the shooting position of the first camera 61 is a position downstream of the shooting position of the second camera 62 by one bottle, the interval between the shooting position of the first camera 61 and the shooting position of the second camera 62 is set. May be separated from several bottles.
　カメラ６３（以下、「第３カメラ６３」という。）は、ラベル装着部４がボトル受取位置Ｐ４でボトル供給部２から受け取るボトルＢの姿勢を撮影するカメラである。第３カメラ６３では、図４（ｃ）に示すように、画角にボトルＢの全体が含まれるように画角調整された画像が撮影される。図２では、ボトル受取位置Ｐ４は回転基準位置αからボトル１１個分（回転角度で＋１３２°分)だけラベル装着ヘッド４１を回転した位置となっている。なお、ラベル検査位置Ｐ３で検査されるボトルＢの搬送距離で見ると、ボトル受取位置Ｐ４は、ラベル検査位置Ｐ３からボトル２２本分だけ上流側に位置していることになる。 The camera 63 (hereinafter referred to as “third camera 63”) is a camera that photographs the posture of the bottle B received by the label mounting unit 4 from the bottle supply unit 2 at the bottle receiving position P4. As shown in FIG. 4C, the third camera 63 captures an image whose angle of view is adjusted so that the entire bottle B is included in the angle of view. In FIG. 2, the bottle receiving position P4 is a position where the label mounting head 41 is rotated from the rotation reference position α by 11 bottles (rotation angle + 132 °). When viewed from the transport distance of the bottle B to be inspected at the label inspection position P3, the bottle receiving position P4 is located upstream by 22 bottles from the label inspection position P3.
　カメラ６４（以下、「第４カメラ６４」という。）は、ラベル装着部４がラベル受取位置Ｐ１でラベル供給部３から受け取るラベルＬの姿勢を撮影するカメラである。第４カメラ６４では、図４（ｄ）に示すように、画角にテイクアップ部材４２３で受け取られたラベルＬが含まれるように画角調整された画像が撮影される。図２では、ラベル受取位置Ｐ１は回転基準位置αと同一の位置である。なお、ラベル検査位置Ｐ３で検査されるラベルＬの搬送距離で見ると、ラベル受取位置Ｐ１は、ラベル検査位置Ｐ３からボトル３３本分だけ上流側に位置していることになる。 The camera 64 (hereinafter referred to as “fourth camera 64”) is a camera that photographs the posture of the label L received by the label mounting unit 4 from the label supply unit 3 at the label receiving position P1. As shown in FIG. 4D, the fourth camera 64 captures an image whose angle of view is adjusted so that the label L received by the take-up member 423 is included in the angle of view. In FIG. 2, the label receiving position P1 is the same position as the rotation reference position α. When viewed from the transport distance of the label L to be inspected at the label inspection position P3, the label receiving position P1 is located upstream from the label inspection position P3 by 33 bottles.
　従って、第１カメラ６１及び第２カメラ６２は、支持盤４０の周りのラベル検査位置Ｐ３とラベル装着位置Ｐ２を臨む適所に各光軸をラベル付きボトルＢに向けて配置され、第３カメラ６３は、支持盤４０の周りのボトル受取位置Ｐ４を臨む適所に光軸をボトルＢに向けて配置されている。また、第４カメラ６４は、ラベル装着部４の外側のラベル受取位置Ｐ１を臨む適所に光軸を受け取られるラベルＬに向けて配置されている。 Accordingly, the first camera 61 and the second camera 62 are arranged at appropriate positions facing the label inspection position P3 and the label mounting position P2 around the support plate 40 with the optical axes directed toward the labeled bottle B, and the third camera 63. Are arranged with the optical axis facing the bottle B at an appropriate position facing the bottle receiving position P4 around the support board 40. The fourth camera 64 is arranged toward the label L that can receive the optical axis at an appropriate position facing the label receiving position P1 outside the label mounting portion 4.
　図５は、ラベル供給部３のラベル基材Ｍから各ラベルＬを切り離してラベル装着部４に供給する部分（以下、「ラベル生成ユニット」という。）の構成を示す図である。図６は、ラベル供給部３からラベル装着部４にラベルＬを受け渡す構成を示す図である。 FIG. 5 is a diagram illustrating a configuration of a portion (hereinafter, referred to as “label generation unit”) in which each label L is separated from the label base material M of the label supply unit 3 and supplied to the label mounting unit 4. FIG. 6 is a diagram illustrating a configuration in which the label L is delivered from the label supply unit 3 to the label mounting unit 4.
　ラベル供給部３のラベル生成ユニットは、ラベル基材Ｍをラベル切断位置Ｐ０に繰り出すラベル基材繰出部３０と、ラベル基材Ｍを切断するラベル基材切断部３１と、切断されたラベルＬを吸着してラベル受取位置Ｐ１に移送するラベル移送部３２と、ラベル移送部３２におけるラベルＬの吸着を補助する吸着補助部３３と、ラベル移送部３２から移送される各ラベルＬをラベル受取位置Ｐ１でラベル装着部４のラベル受取部材に受け渡すラベル受渡部３４とを備える。ラベル基材繰出部３０、ラベル基材切断部３１、ラベル移送部３２及びラベル受渡部３４は、この順に垂直下方向に配置されている。また、吸着補助部３３は、ラベル移送部３２に対向配置されている。 The label generation unit of the label supply unit 3 includes a label base material feeding unit 30 that feeds the label base material M to the label cutting position P0, a label base material cutting unit 31 that cuts the label base material M, and the cut label L. The label transfer unit 32 that sucks and transfers the label L to the label receiving position P1, the suction auxiliary unit 33 that assists the suction of the label L in the label transfer unit 32, and each label L transferred from the label transfer unit 32 to the label receiving position P1. And a label delivery section 34 for delivering to the label receiving member of the label mounting section 4. The label base material feeding unit 30, the label base material cutting unit 31, the label transfer unit 32, and the label delivery unit 34 are arranged in the vertical downward direction in this order. Further, the adsorption assisting unit 33 is disposed to face the label transfer unit 32.
　ラベル基材繰出部３０は、周面が圧接された駆動ローラ３０ａと従動ローラ３０ｂからなる。ラベル基材繰出部３０は、両ローラ３０ａ，３０ｂの間にラベル基材Ｍを挟み込み、駆動ローラ３０ａを所定の回転速度で回転させてラベル基材Ｍをラベル切断位置Ｐ０に繰り出す。ラベル基材切断部３１は、ラベル切断位置Ｐ０に固定された固定刃３１ａとこの固定刃３１ａに対向して回転可能に配置された回転刃３１ｂで構成され、回転刃３１ｂが回転してラベル切断位置Ｐ０を通過する毎に当該回転刃３１ｂと固定刃３１ａによってラベル基材Ｍを切断する。回転刃３１ｂの回転速度は、ラベル基材繰出部３０によってラベル基材Ｍがラベル１枚分の長さだけ繰り出される速度に調整されている。 The label base material feeding unit 30 includes a driving roller 30a and a driven roller 30b whose peripheral surfaces are pressed against each other. The label base material feeding unit 30 sandwiches the label base material M between the rollers 30a and 30b, rotates the driving roller 30a at a predetermined rotational speed, and feeds the label base material M to the label cutting position P0. The label base material cutting unit 31 includes a fixed blade 31a fixed at the label cutting position P0 and a rotary blade 31b disposed so as to be able to rotate in opposition to the fixed blade 31a. Each time it passes through the position P0, the label base M is cut by the rotary blade 31b and the fixed blade 31a. The rotation speed of the rotary blade 31b is adjusted to a speed at which the label base material feeding unit 30 feeds the label base material M by the length of one label.
　ラベル移送部３２は、切り離されたラベルＬの幅方向の両端部を一対のフィードベルト３２１で吸着し（図６参照）、当該フィードベルト３２１を下方向に移動させることによりラベルＬをラベル受取位置Ｐ１に移送する。ラベル切断位置Ｐ０の下流側とラベル受取位置Ｐ１の上流側にそれぞれラベルＬの幅よりも狭い間隔で２組のガイドローラ３２３，３２４が配置されており、一方の上側のガイドローラ３２３と下側のガイドローラ３２４の間と、他方の上側のガイドローラ３２３と下側のガイドローラ３２４の間にはそれぞれ吸引チャンバー３２５が配置されている（図６参照）。 The label transfer unit 32 adsorbs both ends in the width direction of the separated label L with a pair of feed belts 321 (see FIG. 6), and moves the feed belt 321 downward to move the label L to the label receiving position. Transfer to P1. Two sets of guide rollers 323 and 324 are arranged at a distance narrower than the width of the label L on the downstream side of the label cutting position P0 and the upstream side of the label receiving position P1, respectively. A suction chamber 325 is disposed between the guide rollers 324 and between the other upper guide roller 323 and the lower guide roller 324 (see FIG. 6).
　一方のガイドローラ３２３，３２４と他方のガイドローラ３２３，３２４に対してそれぞれ三角形を描くように駆動プーリ３２２が設けられている。一方のフィードベルト３２１は、一方の駆動プーリ３２２と一方のガイドローラ３２３、吸引チャンバー３２５及びガイドローラ３２４とに掛け渡され、他方のフィードベルト３２１は、他方の駆動プーリ３２２と他方のガイドローラ３２３、吸引チャンバー３２５及びガイドローラ３２４とに掛け渡されている。 A driving pulley 322 is provided so as to draw a triangle with respect to one guide roller 323, 324 and the other guide roller 323, 324, respectively. One feed belt 321 is stretched over one drive pulley 322 and one guide roller 323, a suction chamber 325, and a guide roller 324, and the other feed belt 321 includes the other drive pulley 322 and the other guide roller 323. And the suction chamber 325 and the guide roller 324.
　図５において、駆動プーリ３２２が時計周りに回転することによってフィードベルト３２１が上から下に向かって移動する。駆動プーリ３２２は、ラベル基材繰出部３０によるラベル基材Ｍの繰出速度よりも速い速度でフィードベルト３２１を回転させる。フィードベルト３２１には幅方向の中央部に長手方向に沿って所定の間隔で多数の吸着孔３２１ａが設けられている（図６参照）。一方、吸引チャンバー３２５には図略のチューブ等の吸引管によって図略の真空ポンプ等の吸引装置に接続されている。従って、ラベル切断位置Ｐ０で切り離されたラベルＬが下方向に繰り出されると、フィードベルト３２１の吸引孔３２１ａによって吸引・保持され、当該フィードベルト３２１の下方向の移動によってラベルＬはラベル受取位置Ｐ１に移送される。 In FIG. 5, the feed belt 321 moves from the top to the bottom as the drive pulley 322 rotates clockwise. The drive pulley 322 rotates the feed belt 321 at a speed faster than the feeding speed of the label base material M by the label base material feeding section 30. The feed belt 321 is provided with a plurality of suction holes 321a at predetermined intervals along the longitudinal direction at the center in the width direction (see FIG. 6). On the other hand, the suction chamber 325 is connected to a suction device such as a vacuum pump (not shown) by a suction tube such as a tube (not shown). Accordingly, when the label L separated at the label cutting position P0 is drawn downward, the label L is sucked and held by the suction hole 321a of the feed belt 321, and the label L is moved to the label receiving position P1 by the downward movement of the feed belt 321. It is transferred to.
　なお、吸着補助部３３は、フィードベルト３２１の吸引孔３２１ａと吸引チャンバー３２５によるラベルＬのフィードベルト３２１への吸着を補助するものである。吸着補助部３３は、ラベル移送部３２と同様の無端ベルトによるラベルＬのフィード機構で構成され、無端ベルト３３１、駆動プーリ３３２及び３個のガイドローラ３３３，３３４，３３５を含んでいる。ラベル移送部３２がラベルＬの幅方向に対して２個設けられるのに対応して吸着補助部３３も各ラベル移送部３２に対応して２個設けられている。 The suction assisting unit 33 assists the suction of the label L to the feed belt 321 by the suction hole 321a of the feed belt 321 and the suction chamber 325. The suction assisting unit 33 is configured by a feed mechanism of the label L by an endless belt similar to the label transfer unit 32, and includes an endless belt 331, a driving pulley 332, and three guide rollers 333, 334, and 335. Corresponding to the two label transfer parts 32 being provided in the width direction of the label L, two suction assisting parts 33 are also provided corresponding to the respective label transfer parts 32.
　吸着補助部３３の３個のガイドローラ３３３，３３４，３３５のうち、上段のガイドローラ３３３はラベル移送部３２のガイドローラ３２３の近接位置に離間させて配置されるが、中段のガイドローラ３３４と下段のガイドローラ３３５はそれぞれ吸引チャンバー３２５の中央に対して上寄りの位置と下寄りの位置に当該吸引チャンバー３２５に接するように配置されている。駆動プーリ３３２は、図５において、反時計回りにラベル移送部３２の駆動プーリ３２２と同一の速度で回転される。 Of the three guide rollers 333, 334, and 335 of the suction assisting unit 33, the upper guide roller 333 is disposed at a position close to the guide roller 323 of the label transfer unit 32. The lower guide rollers 335 are disposed so as to be in contact with the suction chamber 325 at positions above and below the center of the suction chamber 325, respectively. In FIG. 5, the drive pulley 332 is rotated counterclockwise at the same speed as the drive pulley 322 of the label transfer unit 32.
　吸着補助部３３は、中段のガイドローラ３３４と下段のガイドローラ３３５の区間の無端ベルト３３１をフィードベルト３２１に吸着されたラベルＬに圧接することによりフィードベルト３２１のラベルＬの吸引力を補助し、ラベルＬが当該フィードベルト３２１から離脱することを防止する。 The suction assisting unit 33 assists the suction force of the label L of the feed belt 321 by pressing the endless belt 331 in the section of the middle guide roller 334 and the lower guide roller 335 against the label L sucked by the feed belt 321. The label L is prevented from being detached from the feed belt 321.
　ラベル受渡部３４は、ラベル移送部３２と同一のフィードベルトによるラベルＬの移送構成を有し、当該ラベル移送部３２の下側の配置されている。ラベル移送部３２には、フィードベルト３２１によるラベル移送機構が２個設けられていたが、ラベル受渡部３４は、図６に示すように、フィードベルト３４１によるラベル移送機構が１個だけラベルＬの幅方向の中央に配置されている。ラベル受渡部３４では、ラベル移送部３２の下側のガイドローラ３２４を駆動プーリとして利用しているため、ラベル移送部３２の駆動プーリ３２２に対応する部材はガイドローラ３４２となっている。このため、フィードベルト３４１は、上下のガイドローラ３４２，３４３とラベル移送部３２の下側のガイドローラ３２４とに掛け渡されている。 The label delivery unit 34 has the same structure as the label transfer unit 32 for transferring the label L by the feed belt, and is arranged below the label transfer unit 32. The label transfer unit 32 is provided with two label transfer mechanisms by the feed belt 321. However, the label delivery unit 34 has only one label transfer mechanism by the feed belt 341, as shown in FIG. It is arranged at the center in the width direction. Since the label delivery unit 34 uses the guide roller 324 below the label transfer unit 32 as a drive pulley, the member corresponding to the drive pulley 322 of the label transfer unit 32 is a guide roller 342. For this reason, the feed belt 341 is stretched between the upper and lower guide rollers 342 and 343 and the lower guide roller 324 of the label transfer unit 32.
　ラベル移送部３２の下側のガイドローラ３２４とラベル受渡部３４の下側のガイドローラ３４３の間に吸引チャンバー３４４が設けられるが、この吸引チャンバー３４４の長さはラベルＬの縦方向の長さより僅かに長い適宜の長さに設定されている（図６参照）。フィードベルト３４１には幅方向の中央部に長手方向に沿って所定の間隔で多数の吸着孔３４１ａが設けられている（図６参照）。一方、吸引チャンバー３４４には図略のチューブ等の吸引管によって図略の真空ポンプ等の吸引装置に接続されている。 A suction chamber 344 is provided between the lower guide roller 324 of the label transfer unit 32 and the lower guide roller 343 of the label delivery unit 34. The length of the suction chamber 344 is longer than the length of the label L in the vertical direction. The appropriate length is set to be slightly longer (see FIG. 6). The feed belt 341 is provided with a plurality of suction holes 341a at predetermined intervals along the longitudinal direction at the center in the width direction (see FIG. 6). On the other hand, the suction chamber 344 is connected to a suction device such as a vacuum pump (not shown) by a suction tube such as a tube (not shown).
　ラベル移送部３２の駆動プーリ３２２による回転力はフィードベルト３２１とラベル移送部３２の下側のガイドローラ３２４によってラベル受渡部３４のフィードベルト３４１に伝達されるので、フィードベルト３２１とフィードベルト３４１は同一の速度でラベルＬを上から下に移送する。 The rotational force of the drive pulley 322 of the label transfer unit 32 is transmitted to the feed belt 341 of the label delivery unit 34 by the feed belt 321 and the guide roller 324 below the label transfer unit 32, so that the feed belt 321 and the feed belt 341 are The label L is transferred from top to bottom at the same speed.
　ラベル受渡部３４には、ラベルＬがラベル受渡部３４の所定の位置に移送されたことを検出するラベル検出センサ３５が設けられている。ラベル検出センサ３５は光センサからなり、吸引チャンバー３４４の所定の高さ位置を臨む位置に設けられている。この位置はラベル受取位置Ｐ１に対応するものである。ラベル受取位置Ｐ１を上から下に移動すると、ラベル検出センサ３５は当該ラベルＬを相対的に上下方向に走査することになるので、ラベル検出センサ３５から出力される当該ラベルＬの走査信号のうち、上辺を抽出することにより、ラベルＬが図６に示す位置（ラベルＬの上辺がラベル受取位置Ｐ１に一致する位置）に移送されたことが検出される。 The label delivery unit 34 is provided with a label detection sensor 35 that detects that the label L has been transferred to a predetermined position of the label delivery unit 34. The label detection sensor 35 is an optical sensor and is provided at a position facing a predetermined height position of the suction chamber 344. This position corresponds to the label receiving position P1. When the label receiving position P1 is moved from the top to the bottom, the label detection sensor 35 scans the label L relatively in the vertical direction. Therefore, of the scanning signal of the label L output from the label detection sensor 35, By extracting the upper side, it is detected that the label L has been transferred to the position shown in FIG. 6 (the position where the upper side of the label L coincides with the label receiving position P1).
　ラベル供給部３では、ラベルＬがラベル切断位置Ｐ０でラベル基材Ｍから切り離された位置からラベル受取位置Ｐ１に移送される時間を１周期として多数のラベルＬがラベル受取位置Ｐ１に周期的に供給される。一方、ラベル装着部４のラベル装着ヘッド４１には、図６，図７に示すように、一対の棒状のテイクアップ部材４２３が設けられている。両テイクアップ部材４２３の間隔は、ラベル移送部３２の一対のフィードベルト３２１の間隔とほぼ同じに設定されている。ラベル受取位置Ｐ１において、テイクアップ部材４２３のラベルＬに当接する面には複数の吸引孔４２３ａ（図６参照）が設けられている。ラベル装着部４の各ラベル装着ヘッド４１は、ラベル受渡部３４を通過するとき、ラベルＬをラベル受渡部３４のフィードベルト３４１から剥ぎ取るようにしてラベルＬを受け取り、そのラベルＬを吸着によって保持する。 In the label supply unit 3, a number of labels L are periodically transferred to the label receiving position P1 with one period being the time during which the label L is transferred from the position separated from the label base material M at the label cutting position P0 to the label receiving position P1. Supplied. On the other hand, the label mounting head 41 of the label mounting unit 4 is provided with a pair of rod-shaped take-up members 423 as shown in FIGS. The interval between both take-up members 423 is set to be approximately the same as the interval between the pair of feed belts 321 of the label transfer unit 32. A plurality of suction holes 423a (see FIG. 6) are provided on the surface of the take-up member 423 that contacts the label L at the label receiving position P1. Each label mounting head 41 of the label mounting unit 4 receives the label L by peeling off the label L from the feed belt 341 of the label transfer unit 34 when passing through the label transfer unit 34, and holds the label L by suction. To do.
　従って、ラベルＬのラベル受取位置Ｐ１への供給周期がラベル装着部４の３０本のテイクアップ部材４２３がラベル受取位置Ｐ１を通過する周期と同一となるように、ラベル装着部４の回転軸の回転速度とラベル供給部３の駆動プーリ３２２の回転速度が調整されている。 Accordingly, the rotation axis of the label mounting unit 4 is set so that the supply cycle of the label L to the label receiving position P1 is the same as the cycle in which the 30 take-up members 423 of the label mounting unit 4 pass through the label receiving position P1. The rotational speed and the rotational speed of the drive pulley 322 of the label supply unit 3 are adjusted.
　次に、ラベル装着ヘッド４１について、図７～図１０を用いて簡単に説明する。図７はラベル装着ヘッド４１の構成を示す正面図、図８は同ラベル装着ヘッド４１の構成を示す側面図である。また、図９はラベル受取ユニット４２の構成を示し、（ａ）は正面図、（ｂ）は側面図である。図１０はラベル装着ユニット４３の構成を示し、（ａ）は正面図、（ｂ）は側面図である。 Next, the label mounting head 41 will be briefly described with reference to FIGS. FIG. 7 is a front view showing the configuration of the label mounting head 41, and FIG. 8 is a side view showing the configuration of the label mounting head 41. FIG. 9 shows the configuration of the label receiving unit 42, where (a) is a front view and (b) is a side view. FIG. 10 shows a configuration of the label mounting unit 43, where (a) is a front view and (b) is a side view.
　ラベル装着ヘッド４１は、ラベル供給部３から供給される筒状のラベルＬを受け取るラベル受取ユニット４２と、ラベル受取ユニット４２が受け取った筒状のラベルＬを開らいてボトルＢの胴部に被せるようにして装着するラベル装着ユニット４３とを備える。ラベル受取ユニット４２及びラベル装着ユニット４３は、支持フレーム４１１に昇降可能に取り付けられている。ラベル受取ユニット４２の昇降動作は、ラベル受取ユニット４２の支持フレーム４１１への取付部材４２１に取り付けられたカムフォロア４２２ａと円筒体４４に設けられたカム溝４２２ｂからなるカム機構４２２によって行われる（図８参照）。同様に、ラベル装着ユニット４３の昇降動作は、ラベル装着ユニット４３の支持フレーム４１１への取付部材４３１に取り付けられたカムフォロア４３２ａと円筒体４４に設けられたカム溝４３２ｂからなるカム機構４３２によって行われる（図８参照）。 The label mounting head 41 opens the cylindrical label L received from the label supply unit 3 and the cylindrical label L received by the label receiving unit 42 and covers the barrel B of the bottle B. Thus, a label mounting unit 43 is mounted. The label receiving unit 42 and the label mounting unit 43 are attached to the support frame 411 so as to be movable up and down. The raising and lowering operation of the label receiving unit 42 is performed by a cam mechanism 422 including a cam follower 422a attached to a member 421 attached to the support frame 411 of the label receiving unit 42 and a cam groove 422b provided in the cylindrical body 44 (FIG. 8). reference). Similarly, the ascending / descending operation of the label mounting unit 43 is performed by a cam mechanism 432 including a cam follower 432 a attached to the attachment member 431 to the support frame 411 of the label mounting unit 43 and a cam groove 432 b provided in the cylindrical body 44. (See FIG. 8).
　ラベル受取ユニット４２の昇降動作をカム機構によって制御するのは、ラベル受取ユニット４２の基準方向からの回転位置によって高さ位置を制御する必要があるからである。ラベル装着ユニット４３の昇降動作をカム機構によって制御する理由も同様である。 The reason why the lifting operation of the label receiving unit 42 is controlled by the cam mechanism is that the height position needs to be controlled by the rotational position of the label receiving unit 42 from the reference direction. The reason for controlling the raising / lowering operation of the label mounting unit 43 by the cam mechanism is also the same.
　ラベル受取ユニット４２のカムフォロア４２２ａは円筒体４４のカム溝４２２ｂに嵌装され、ラベル装着ユニット４３のカムフォロア４３２ａは円筒体４４のカム溝４３２ｂに嵌装されている。カム溝４２２ｂ，４３２ｂは、円筒体４４の周面上に所定の波形を描くように形成されており、リング状の支持盤４０が回転すると、カムフォロア４２２ａ，４３２ａがそれぞれカム溝４２２ｂ，４３２ｂに沿って移動することによりラベル受取ユニット４２とラベル装着ユニット４３が所定の昇降動作を周期的に繰り返す。この昇降動作の内容については後述する。 The cam follower 422a of the label receiving unit 42 is fitted in the cam groove 422b of the cylindrical body 44, and the cam follower 432a of the label mounting unit 43 is fitted in the cam groove 432b of the cylindrical body 44. The cam grooves 422b and 432b are formed on the peripheral surface of the cylindrical body 44 so as to draw a predetermined waveform, and when the ring-shaped support board 40 rotates, the cam followers 422a and 432a are along the cam grooves 422b and 432b, respectively. The label receiving unit 42 and the label mounting unit 43 periodically repeat a predetermined ascending / descending operation. The contents of this raising / lowering operation will be described later.
　ラベル受取ユニット４２の取付部材４２１には、図９に示すように、上側に平行に延びる棒状の一対のテイクアップ部材４２３が取り付けられている。上述したように、両テイクアップ部材４２３の間隔は、ラベル移送部３２の一対のフィードベルト３２１の間隔とほぼ同じである。また、両テイクアップ部材４２３のラベルＬに当接する面には一列に吸引孔４２３ａが設けられている。両テイクアップ部材４２３は、図略のパイプによって真空ポンプなどの吸引装置に接続されており、ラベル受取位置Ｐ１でラベルＬを受け取る時に吸引動作が行われてラベルＬを吸着する。 As shown in FIG. 9, a pair of rod-shaped take-up members 423 extending in parallel to the upper side are attached to the attachment member 421 of the label receiving unit 42. As described above, the interval between the two take-up members 423 is substantially the same as the interval between the pair of feed belts 321 of the label transfer unit 32. In addition, suction holes 423a are provided in a line on the surface of both take-up members 423 that abut against the label L. Both take-up members 423 are connected to a suction device such as a vacuum pump by a pipe (not shown). When the label L is received at the label receiving position P1, a suction operation is performed to suck the label L.
　ラベル装着ユニット４３の取付部材４３１には、上面視で中央部が開口された直方体形状の本体４３３が取り付けられている。本体４３３は、図１０に示すように、環状の上側ベース４３３ａと下側ベース４３３ｂを上下方向に所定の間隔を設けて連結板と連結ロッドで結合した枠体である。上側ベース４３３ａの下面の４つの隅部には、先端が内側に屈曲した鉤形の開閉アーム４３４Ａ～４３４Ｄが外側に開閉可能に取り付けられている（図１２参照）。４つの開閉アーム４３４Ａ～４３４Ｄの先端部にそれぞれ下方向に延びる４本の吸引杆４３５Ａ～４３５Ｄが取り付けられている。各吸引杆４３５Ａ～４３５Ｄの基部には図略のチューブ等の吸引管によって図略の真空ポンプ等の吸引装置に接続され、各吸引杆４３５Ａ～４３５Ｄの内側の側面には一列に吸引孔４３５ａが設けられている（図１０参照）。従って、各吸引杆４３５Ａ～４３５Ｄは、吸引によってラベルＬを吸着することができる。 A rectangular parallelepiped main body 433 having a central portion opened in a top view is attached to the attachment member 431 of the label mounting unit 43. As shown in FIG. 10, the main body 433 is a frame body in which an annular upper base 433a and a lower base 433b are connected to each other by a connecting plate and a connecting rod with a predetermined interval in the vertical direction. At the four corners of the lower surface of the upper base 433a, hook-shaped open / close arms 434A to 434D whose tips are bent inward are attached so as to be openable / closable outward (see FIG. 12). Four suction rods 435A to 435D extending downward are respectively attached to the distal ends of the four open / close arms 434A to 434D. The bases of the suction rods 435A to 435D are connected to a suction device such as a vacuum pump (not shown) by a suction tube such as a tube (not shown), and suction holes 435a are arranged in a row on the inner side surfaces of the suction rods 435A to 435D. (See FIG. 10). Accordingly, the suction rods 435A to 435D can suck the label L by suction.
　図１１は、図８のＹ－Ｙ線に沿った断面図であるが、同図に示すように、本体４３３の取付部材４３１側（以下、本体４３３の取付部材側を「内側」という。）にある１組の開閉アーム４３４Ａ，４３４Ｃと本体４３３の先端側（以下、本体４３３の先端側を「外側」という。）にある１組の開閉アーム４３４Ｂ，４３４Ｄは、閉状態では両鉤形の先端面が本体４３３の開口の幅方向の中心線Ｎ上で接触し、開状態では両鉤形の先端面が中心線Ｎから互いに離れる。 FIG. 11 is a cross-sectional view taken along line YY of FIG. 8, but as shown in FIG. 11, the attachment member 431 side of the main body 433 (hereinafter, the attachment member side of the main body 433 is referred to as “inside”). The pair of opening / closing arms 434A, 434C and the pair of opening / closing arms 434B, 434D on the distal end side of the main body 433 (hereinafter, the distal end side of the main body 433 is referred to as “outside”) The front end surfaces are in contact with each other on the center line N in the width direction of the opening of the main body 433. In the open state, the front end surfaces of both sides are separated from the center line N.
　従って、２組の開閉アーム４３４Ａ，４３４Ｃと開閉アーム４３４Ｂ，４３４Ｄが閉動作を行うと、一方の組の開閉アーム４３４Ａ，４３４Ｃに取り付けられた２つの吸引杆４３５Ａ，４３５Ｃと他方の組の開閉アーム４３４Ｂ，４３４Ｄに取り付けられた２つの吸引杆４３５Ｂ，４３５Ｄとが互いに近接してラベルＬを挟む動作を行い、この状態で吸引しながら２組の開閉アーム４３４Ａ，４３４Ｃと開閉アーム４３４Ｂ，４３４Ｄが開動作を行うと、一方の組の２つの吸引杆４３５Ａ，４３５Ｃと他方の組の２つの吸引杆４３５Ｂ，４３５Ｄとが互いに離間してラベルＬを開く動作を行う（図１１はラベルＬを開いた状態）。 Therefore, when the two sets of opening / closing arms 434A, 434C and the opening / closing arms 434B, 434D perform the closing operation, the two suction rods 435A, 435C attached to one set of the opening / closing arms 434A, 434C and the other set of the opening / closing arms. Two suction rods 435B and 435D attached to 434B and 434D perform an operation of sandwiching the label L close to each other, and in this state, two sets of the opening and closing arms 434A and 434C and the opening and closing arms 434B and 434D are opened. When the operation is performed, the two suction rods 435A and 435C of one set and the two suction rods 435B and 435D of the other set are separated from each other to open the label L (FIG. 11 shows the label L opened). Status).
　本体４３３の上面には、４つの開閉アーム４３４Ａ～４３４Ｄに開閉動作を行わせるための開閉機構４３６が設けられている。開閉機構４３６により４つの開閉アーム４３４Ａ～４３４Ｄに開閉動作をさせることによって各開閉アーム４３４Ａ～４３４Ｄの先端に設けられた４本の吸引杆４３５Ａ～４３５Ｄが上述したラベルＬを挟み、筒状に広げるという動作を行なう。 An opening / closing mechanism 436 for causing the four opening / closing arms 434A to 434D to perform an opening / closing operation is provided on the upper surface of the main body 433. By opening and closing the four open / close arms 434A to 434D by the open / close mechanism 436, the four suction rods 435A to 435D provided at the tips of the open / close arms 434A to 434D sandwich the label L described above and spread it in a cylindrical shape. The operation is performed.
　図１２は、図８のＸ－Ｘ線に沿った断面図であり、開閉機構４３６を上側から見た図を示している。同図に示すように、開閉機構４３６は、４つの鉤形の開閉アーム４３４Ａ～４３４Ｄのうち、図１２において上側の２個の開閉アーム４３４Ａ，４３４Ｂと下側の２個の開閉アーム４３４Ｃ，４３４Ｄに対してそれぞれ左右方向に移動可能な２個のラック４３７Ａ，４３７Ｂを備える。 FIG. 12 is a cross-sectional view taken along the line XX of FIG. 8, and shows a view of the opening / closing mechanism 436 from above. As shown in the figure, the opening / closing mechanism 436 includes two upper opening / closing arms 434A and 434B and two lower opening / closing arms 434C and 434D in FIG. 12 among the four hook-shaped opening / closing arms 434A to 434D. Are provided with two racks 437A and 437B that are movable in the left-right direction.
　内側の２つの開閉アーム４３４Ａ，４３４Ｃの回転軸にはそれぞれセクタ歯車４３８ａ，４３８ｃが固着され、図１２において、上側の開閉アーム４３４Ａのセクタ歯車４３８ａが上側のラック４３７Ａに連結され、下側の開閉アーム４３４Ｃのセクタ歯車４３８ｃが下側のラック４３７Ｂに連結されている。一方、外側の２つの開閉アーム４３４Ｂ，４３４Ｄの回転軸には、図１１に示すように、下側ベース４３３ｂの近傍位置でそれぞれ平歯車４３８ｅ，４３８ｆが固着され、図１１において、上側の開閉アーム４３４Ｂの平歯車４３８ｅがセクタ歯車４３８ｂの回転軸に固着された平歯車４３８ｇに連結され、下側の開閉アーム４３４Ｄの平歯車４３８ｆがセクタ歯車４３８ｄの回転軸に固着された平歯車４３８ｈに連結されている。また、図１２において、上側のセクタ歯車４３８ｂは上側のラック４３７Ａに連結され、下側のセクタ歯車４３８ｄは下側のラック４３７Ｂに連結されている。 Sector gears 438a and 438c are fixed to the rotation shafts of the inner two open / close arms 434A and 434C, respectively. In FIG. 12, the sector gear 438a of the upper open / close arm 434A is connected to the upper rack 437A and the lower open / close arm is opened. A sector gear 438c of the arm 434C is connected to the lower rack 437B. On the other hand, as shown in FIG. 11, spur gears 438e and 438f are fixed to the rotating shafts of the outer two open / close arms 434B and 434D at positions near the lower base 433b, respectively. A spur gear 438e of 434B is connected to a spur gear 438g fixed to the rotation shaft of the sector gear 438b, and a spur gear 438f of the lower opening / closing arm 434D is connected to a spur gear 438h fixed to the rotation shaft of the sector gear 438d. ing. In FIG. 12, the upper sector gear 438b is connected to the upper rack 437A, and the lower sector gear 438d is connected to the lower rack 437B.
　この構成により、図１２において、ラック４３７Ａ，４３７Ｂを外側に移動させると、開閉アーム４３４Ａと開閉アーム４３４Ｄは時計回りに回転し、開閉アーム４３４Ｂと開閉アーム４３４Ｃは反時計回りに回転するので、内側の開閉アーム４３４Ａと開閉アーム４３４Ｃは各先端面が中心線Ｎに近接するように移動し、外側の開閉アーム４３４Ｂと開閉アーム４３４Ｄも各先端面が中心線Ｎに近接するように移動する。すなわち、４つの開閉アーム４３４Ａ～４３４Ｄ（４つの吸引杆４３５Ａ～４３５Ｄ）が閉動作を行う。 With this configuration, when the racks 437A and 437B are moved outward in FIG. 12, the open / close arm 434A and the open / close arm 434D rotate clockwise, and the open / close arm 434B and open / close arm 434C rotate counterclockwise. The open / close arm 434A and the open / close arm 434C move so that their front end surfaces are close to the center line N, and the outer open / close arm 434B and open / close arm 434D also move so that their front end surfaces are close to the center line N. That is, the four open / close arms 434A to 434D (four suction rods 435A to 435D) perform the closing operation.
　逆に、ラック４３７Ａ，４３７Ｂを内側に移動させると、開閉アーム４３４Ａと開閉アーム４３４Ｄは反時計回りに回転し、開閉アーム４３４Ｂと開閉アーム４３４Ｃは時計回りに回転するので、４つの開閉アーム４３４Ａ～４３４Ｄの各先端面は中心線Ｎから離れるように回転するので、４つの開閉アーム４３４Ａ～４３４Ｄ（４つの吸引杆４３５Ａ～４３５Ｄ）は開動作を行う。 Conversely, when the racks 437A and 437B are moved inward, the opening / closing arm 434A and the opening / closing arm 434D rotate counterclockwise, and the opening / closing arm 434B and the opening / closing arm 434C rotate clockwise, so that the four opening / closing arms 434A˜ Since each tip surface of 434D rotates away from the center line N, the four open / close arms 434A to 434D (four suction rods 435A to 435D) perform an opening operation.
　開閉機構４３６には、図１２に示すように、ラック４３７Ａ，４３７Ｂにそれぞれ外側に向かう方向（４つの吸引杆４３５Ａ～４３５Ｄを閉じる方向）の付勢力を常時付与するためのバネ４３９Ａ，４３９Ｂと、ラック４３７Ａ，４３７Ｂの位置を４つの吸引杆４３５Ａ～４３５Ｄが閉じる「閉位置」と４つの吸引杆４３５Ａ～４３５Ｄが開く「開位置」とに切り換えるためのカム部材４４０（図１０参照）が設けられている。図１０（ｂ）において、カム部材４４０を下方向に移動させると、ラック４３７Ａ，４３７Ｂがバネ４３９Ａ，４３９Ａの付勢力に抗して内側に移動し、「開位置」に設定される。逆に、カム部材４４０を上方向に移動させると、ラック４３７Ａ，４３７Ｂがバネ４３９Ａ，４３９Ａの付勢力によって外側に移動し、「閉位置」に設定される。 As shown in FIG. 12, the opening / closing mechanism 436 has springs 439A and 439B for constantly applying an urging force in the direction toward the outside (the direction of closing the four suction rods 435A to 435D) to the racks 437A and 437B, A cam member 440 (see FIG. 10) is provided for switching the positions of the racks 437A and 437B between the “closed position” where the four suction rods 435A to 435D are closed and the “open position” where the four suction rods 435A to 435D are opened. ing. In FIG. 10B, when the cam member 440 is moved downward, the racks 437A and 437B move inward against the biasing force of the springs 439A and 439A, and are set to the “open position”. Conversely, when the cam member 440 is moved upward, the racks 437A and 437B are moved outward by the biasing force of the springs 439A and 439A, and are set to the “closed position”.
　開閉機構４３６には、図１０に示すように、カム部材４４０を上下動させるためにカム機構４４１が設けられている。４つの吸引杆４３５Ａ～４３５Ｄの開閉動作もラベル装着ユニット４３の基準方向からの回転位置によって制御する必要があるので、開閉機構４３６のカム機構４４１もラベル装着ユニット４３の昇降動作と同様に当該開閉機構４３６に設けられたカムフォロア４４１ａと円筒体４４に形成されたカム溝４４１ｂによって構成されている。なお、図１２に示すように、ラック４３７Ａ，４３７Ｂの内側の端部にそれぞれカム部材４４０の下端のカム面が当接するカムフォロア４４０ａが設けられ、カム部材４４０が上昇すると、ラック４３７Ａ，４３７Ｂが外側に移動して「閉位置」に設定され、カム部材４４０が下降すると、ラック４３７Ａ，４３７Ｂが内側に移動して「開位置」に設定される。 As shown in FIG. 10, the opening / closing mechanism 436 is provided with a cam mechanism 441 for moving the cam member 440 up and down. Since the opening / closing operation of the four suction rods 435A to 435D also needs to be controlled by the rotational position of the label mounting unit 43 from the reference direction, the cam mechanism 441 of the opening / closing mechanism 436 also opens and closes the same as the lifting / lowering operation of the label mounting unit 43. A cam follower 441 a provided in the mechanism 436 and a cam groove 441 b formed in the cylindrical body 44 are configured. As shown in FIG. 12, cam followers 440a with which the cam surfaces at the lower ends of the cam members 440 are in contact with the inner ends of the racks 437A and 437B are provided. When the cam members 440 are raised, the racks 437A and 437B are moved to the outer sides. When the cam member 440 descends, the racks 437A and 437B move inward and are set to the “open position”.
　次に、図１３を用いて、ラベル装着部４におけるラベルＬのボトルＢへの装着シーケンスについて説明する。 Next, the mounting sequence of the label L to the bottle B in the label mounting unit 4 will be described with reference to FIG.
　ラベル装着部４のラベル装着ヘッド４１は、（１）ラベル受取ユニット４２のテイクアップ部材４２３でラベルＬを受け取る、（２）テイクアップ部材４２３が受け取ったラベルＬを更にラベル装着ユニット４３の４本の吸引杆４３５Ａ～４３５Ｄが受け取る、（３）４本の吸引杆４３５Ａ～４３５ＤがラベルＬを開く、（４）４本の吸引杆４３５Ａ～４３５ＤがラベルＬを開いた状態で下降することによりボトルＢに被せるようにして装着する、という４つの動作を行うことによってボトルＢにラベルＬを装着する。 The label mounting head 41 of the label mounting unit 4 (1) receives the label L by the take-up member 423 of the label receiving unit 42, and (2) further receives four labels L of the label mounting unit 43 by the take-up member 423. (3) The four suction rods 435A to 435D open the label L, (4) The bottle by the four suction rods 435A to 435D descending with the label L opened. The label L is attached to the bottle B by performing the four operations of attaching the cover so as to cover B.
　各ラベル装着ヘッド４１は、回転基準位置αを通過するときに上記（１）の動作を行ってラベル供給部３からラベルＬを受け取る。各ラベル装着ヘッド４１に対応するボトル保持部４０ａ（図７，図８参照）は、ボトル受取位置Ｐ４を通過するときにボトル供給部２からボトルＢを受け取るので、各ラベル装着ヘッド４１の受け取っているラベルＬはボトル受取位置Ｐ４で装着すべきボトルＢと引き合わされ、両者がボトル受取位置Ｐ４からボトル受渡位置Ｐ５まで移動する間に上記の（２）～（４）の動作が行われてラベルＬがボトルＢに装着される。 Each label mounting head 41 receives the label L from the label supply unit 3 by performing the operation (1) when passing through the rotation reference position α. The bottle holder 40a (see FIGS. 7 and 8) corresponding to each label mounting head 41 receives the bottle B from the bottle supply unit 2 when passing the bottle receiving position P4. The label L is attracted to the bottle B to be mounted at the bottle receiving position P4, and the above operations (2) to (4) are performed while the two move from the bottle receiving position P4 to the bottle delivery position P5. L is attached to bottle B.
　各ラベル装着ヘッド４１では、ラベル受取ユニット４２とラベル装着ユニット４３が互いに独立して上下動する構成であるが、ラベル受取ユニット４２がラベル装着ユニット４３に対して上昇するときには２本のテイクアップ部材４２３がラベル装着ユニット４３の本体４３３の開口部分を下側から貫通するように移動してラベル受取ユニット４２とラベル装着ユニット４３が互いに干渉しない構成となっている（例えば、図１３（ｄ）（ラベル受取ユニット４２が下降した状態）と図１３（ｅ）（ラベル受取ユニット４２が上昇した状態）を参照）。 Each label mounting head 41 is configured such that the label receiving unit 42 and the label mounting unit 43 move up and down independently of each other, but when the label receiving unit 42 moves up relative to the label mounting unit 43, two take-up members 423 moves so as to penetrate the opening of the main body 433 of the label mounting unit 43 from below, so that the label receiving unit 42 and the label mounting unit 43 do not interfere with each other (for example, FIG. (See the state where the label receiving unit 42 is lowered) and FIG. 13E (the state where the label receiving unit 42 is raised).
　また、ラベル装着ユニット４３がラベル受取ユニット４２からラベルＬを受け取るときには、４本の吸引杆４３５Ａ～４３５Ｄがテイクアップ部材４２３を囲む位置関係となるようにラベル装着ユニット４３がラベル受取ユニット４２に対して上昇する（図１３（ｂ）参照）。そして、４本の吸引杆４３５Ａ～４３５Ｄのうち、ラベルＬを間に互いに向かい合う２本のテイクアップ部材４２３と２本の吸引杆４３５Ｃ，４３５Ｄが当該ラベルＬを挟んで吸着する一方、２本のテイクアップ部材４２３の吸引を解除することによってラベルＬがラベル受取ユニット４２からラベル装着ユニット４３に受け渡される（図１３（ｃ），（ｄ）参照）。 Further, when the label mounting unit 43 receives the label L from the label receiving unit 42, the label mounting unit 43 is positioned relative to the label receiving unit 42 so that the four suction rods 435A to 435D are in a positional relationship surrounding the take-up member 423. (See FIG. 13B). Of the four suction rods 435A to 435D, the two take-up members 423 and the two suction rods 435C and 435D facing each other with the label L in between are adsorbed with the label L interposed therebetween, while the two By releasing the suction of the take-up member 423, the label L is delivered from the label receiving unit 42 to the label mounting unit 43 (see FIGS. 13C and 13D).
　ラベル受取ユニット４２とラベル装着ユニット４３は回転基準位置αよりも上流側の所定の位置でそれぞれの昇降範囲の最も下位に位置に下降され、その状態で回転基準位置αを通過する。その下降動作のときにラベル装着ユニット４３はボトルＢに対してラベルＬの装着動作を行なう。ラベル装着部４が回転基準位置αを通過する時には、ラベル受取ユニット４２の２本のテイクアップ部材４２３はラベル装着ユニット４３の本体４３３の開口部分を下側から貫通し、当該本体４３３から上に出ている状態となっている。従って、回転基準位置αでは、図１３（ａ）に示すように、ラベル受取ユニット４２の２本のテイクアップ部材４２３がラベル受取位置Ｐ１を通過することによってラベル供給部３から供給されるラベルＬを受け取る動作を行う。一方、ラベル装着ユニット４３は、ラベル装着部４が回転基準位置αを通過する前に行なったラベル装着動作の状態（４本の吸引杆４３５Ａ～４３５ＤがラベルＬをボトルＢに被せた状態）を保持している。 The label receiving unit 42 and the label mounting unit 43 are lowered to the lowest position in the respective lift ranges at predetermined positions upstream of the rotation reference position α, and pass through the rotation reference position α in this state. During the lowering operation, the label mounting unit 43 performs the label L mounting operation on the bottle B. When the label mounting unit 4 passes the rotation reference position α, the two take-up members 423 of the label receiving unit 42 penetrate the opening portion of the main body 433 of the label mounting unit 43 from the lower side and upward from the main body 433. It is in a state that has come out. Accordingly, at the rotation reference position α, as shown in FIG. 13A, the label L supplied from the label supply unit 3 when the two take-up members 423 of the label receiving unit 42 pass through the label receiving position P1. The operation to receive is performed. On the other hand, the label mounting unit 43 is in a state of a label mounting operation performed before the label mounting unit 4 passes the rotation reference position α (a state where the four suction rods 435A to 435D cover the bottle B with the label L). keeping.
　ラベル装着ヘッド４１が回転基準位置αを通過してボトル受渡位置Ｐ５まで移動する間は、ラベル受取ユニット４２は最下位の位置に保持される（図１３（ａ）～（ｄ）のラベル受取ユニット４２の高さ位置参照）。すなわち、ラベル受取ユニット４２は受け取ったラベルＬの高さ位置を維持する。一方、ラベル装着ユニット４３は、回転基準位置αを通過すると、直ちに４本の吸引杆４３５Ａ～４３５Ｄの吸引を解除し、４本の吸引杆４３５Ａ～４３５Ｄを開いた状態で最上位の位置に移動する。これにより、２本のテイクアップ部材４２３で保持されているラベルＬが４本の吸引杆４３５Ａ～４３５Ｄで囲まれる状態となる（図１３（ｂ）のラベルＬと４本の吸引杆４３５Ａ～４３５Ｄの位置関係参照）。 While the label mounting head 41 passes through the rotation reference position α and moves to the bottle delivery position P5, the label receiving unit 42 is held at the lowest position (the label receiving unit shown in FIGS. 13A to 13D). 42 height position reference). That is, the label receiving unit 42 maintains the height position of the received label L. On the other hand, when the label mounting unit 43 passes the rotation reference position α, the suction of the four suction rods 435A to 435D is immediately released, and the label mounting unit 43 moves to the highest position with the four suction rods 435A to 435D opened. To do. As a result, the label L held by the two take-up members 423 is surrounded by the four suction rods 435A to 435D (the label L in FIG. 13B and the four suction rods 435A to 435D). Refer to the positional relationship of
　次に、４本の吸引杆４３５Ａ～４３５Ｄのうち、ラベルＬに対向している２本の吸引杆４３５Ｃ，４３５Ｄを閉じて当該２本の吸引杆４３５Ｃ，４３５Ｄと２本のテイクアップ部材４２３でラベルＬを挟み（図１３（ｃ）の状態参照）、２本の吸引杆４３５Ｃ，４３５Ｄの吸引を開始すると同時に２本のテイクアップ部材４２３の吸引を解除して２本の吸引杆４３５Ｃ，４３５ＤがラベルＬを受け取る（図１３（ｄ）参照）。 Next, of the four suction rods 435A to 435D, the two suction rods 435C and 435D facing the label L are closed, and the two suction rods 435C and 435D and the two take-up members 423 are used. The label L is sandwiched (see the state in FIG. 13C), and the suction of the two suction rods 435C and 435D is started, and at the same time, the suction of the two take-up members 423 is released and the two suction rods 435C and 435D are released. Receives the label L (see FIG. 13D).
　なお、図１３（ｄ）のタイミングはラベル装着ヘッド４１がボトル受渡位置Ｐ５を通過するタイミングで、ラベル保持部４０ａに保持されていたラベル付きボトルＢはラベル搬出部５によって搬出されるので、図１３（ｄ）ではラベル付きボトルＢが描かれていない。また、２本の吸引杆４３５Ｃ，４３５ＤがラベルＬを受け取ったときは両吸引杆４３５Ｃ，４３５ＤがラベルＬの幅方向の両端部を吸引しているだけであるので、ラベルＬは両吸引杆４３５Ｃ，４３５Ｄ側に湾曲した形となる（図１３（ｄ）のラベルＬの形状参照）。 Note that the timing of FIG. 13D is the timing when the label mounting head 41 passes the bottle delivery position P5, and the labeled bottle B held in the label holding unit 40a is carried out by the label carrying-out unit 5. In 13 (d), the labeled bottle B is not drawn. When the two suction rods 435C and 435D receive the label L, the suction rods 435C and 435D only suck both ends in the width direction of the label L. , 435D side (see the shape of the label L in FIG. 13D).
　２本の吸引杆４３５Ｃ，４３５ＤがラベルＬを吸着している状態で残りの２本の吸引杆４３５Ａ，４３５ＢとともにラベルＬを挟む動作を行なわせようとすると、２本のテイクアップ部材４２３がその動作の障害となるので、ラベル装着ヘッド４１がボトル受渡位置Ｐ５からボトル受取位置Ｐ４に移動するまでの間にラベル受取ユニット４２が最上位の位置に上昇する。すなわち、ラベル受取ユニット４２の退避動作が行われる（図１３（ｅ）参照）。 If the two suction rods 435C and 435D are adsorbing the label L, and the two suction rods 435A and 435B are operated to sandwich the label L, the two take-up members 423 Since the operation becomes an obstacle, the label receiving unit 42 is raised to the uppermost position until the label mounting head 41 moves from the bottle delivery position P5 to the bottle receiving position P4. That is, the retracting operation of the label receiving unit 42 is performed (see FIG. 13 (e)).
　ラベル受取ユニット４２の退避動作が完了すると、４本の吸引杆４３５Ａ～４３５Ｄに閉じる動作を行わせて本体４３３の内側の一組の吸引杆４３５Ａ，４３５Ｃと外側の一組の４３５Ｂ，４３５ＤでラベルＬの幅方向の両端部を挟み込み（図１３（ｆ）の状態参照）、全ての吸引杆４３５Ａ～４３５Ｄの吸引動作を行なわせた後、４本の吸引杆４３５Ａ～４３５Ｄに開く動作を行なわせる（図１３（ｇ）の状態参照）。この動作により各吸引杆４３５Ｃ～４３５ＤがラベルＬの幅方向の両端部を外側に引っ張るので、図１３（ｇ）に示すようにラベルＬが筒型に開かれる。 When the retracting operation of the label receiving unit 42 is completed, the four suction rods 435A to 435D are closed to perform labeling with a pair of suction rods 435A and 435C inside the main body 433 and a pair of outside 435B and 435D. The both ends of the width direction of L are sandwiched (see the state of FIG. 13 (f)), and after all the suction rods 435A to 435D are suctioned, the four suction rods 435A to 435D are opened. (Refer to the state of FIG. 13 (g)). By this operation, the suction rods 435C to 435D pull both ends in the width direction of the label L outward, so that the label L is opened in a cylindrical shape as shown in FIG.
　４本の吸引杆４３５Ｃ～４３５ＤによるラベルＬを開く動作が完了すると、その状態を保持してラベル装着ユニット４３は最下位の位置に移動し、同時にラベ受取ユニット４２も最下位の位置に移動する。すなわち、ラベル受取ユニット４２及びラベル装着ユニット４３は同時にボトル保持部４０ａに保持されているボトルＢに向かって下降し、最下位の位置に到達すると、図１３（ｈ）に示すように、は４本の吸引杆４３５Ｃ～４３５Ｄで開いたラベルＬがボトルＢに被せられ、ボトルＢへのラベルＬの装着が完了する。 When the operation of opening the label L by the four suction rods 435C to 435D is completed, the label mounting unit 43 moves to the lowest position while maintaining the state, and at the same time, the label receiving unit 42 moves to the lowest position. . That is, when the label receiving unit 42 and the label mounting unit 43 are simultaneously lowered toward the bottle B held by the bottle holding unit 40a and reach the lowest position, as shown in FIG. The label L opened by the suction rods 435C to 435D of the book is put on the bottle B, and the attachment of the label L to the bottle B is completed.
　ラベル装着の完了タイミングは、ラベル装着ヘッド４１が回転基準位置αを通過する前の所定のタイミングに調整されているので、その時のラベル受取ユニット４２とラベル装着ユニット４３の状態が保持されてラベル装着ヘッド４１は回転基準位置αに戻ることになる（図１３（ａ）の状態参照）。従って、各ラベル装着ヘッド４１は、支持盤４０によってロータリーを周回する毎に、上述した図１３（ａ）～（ｈ）に示す動作を行なってボトルＢにラベルＬを装着する。 Since the label mounting completion timing is adjusted to a predetermined timing before the label mounting head 41 passes the rotation reference position α, the state of the label receiving unit 42 and the label mounting unit 43 at that time is maintained and the label mounting is performed. The head 41 returns to the rotation reference position α (see the state of FIG. 13A). Accordingly, each time the label mounting head 41 goes around the rotary by the support board 40, the label L is mounted on the bottle B by performing the operations shown in FIGS. 13 (a) to 13 (h).
　なお、ボトルＢへのラベルＬの装着速度（本／分）は、回転基準位置αを通過するラベル基準ヘッド４１の１分間当たりの本数であるから、支持盤４０の回転速度（回／分）によって決定される。支持盤４０上には３０本のラベル装着ヘッド４１が設けられているので、支持盤４０の回転速度をＮ（回／分）とすると、ラベルの装着速度は３０×Ｎ（本／分）となる。 The label L mounting speed (lines / minute) to the bottle B is the number of label reference heads 41 passing through the rotation reference position α per minute, and therefore the rotation speed (times / minute) of the support plate 40. Determined by. Since 30 label mounting heads 41 are provided on the support board 40, if the rotational speed of the support board 40 is N (times / minute), the label mounting speed is 30 × N (lines / minute). Become.
　次に、ラベル装着装置１の特徴的な構成であるラベル装着不良解析部６について説明する。 Next, the label mounting failure analysis unit 6 that is a characteristic configuration of the label mounting apparatus 1 will be described.
　図１４は、解析装置６０における解析処理を行なうための構成を示す機能ブロックで示した図である。 FIG. 14 is a functional block diagram showing a configuration for performing an analysis process in the analysis device 60.
　解析装置６０は、解析処理部６０ａ、撮影制御部６０ｂ、撮影画像記憶部６０ｃ、インターフェース部６０ｄ、カメラ部６０ｅ、解析結果記憶部６０ｆ、操作部６０ｇ及び表示部６０ｈの機能ブロックを含む。カメラ部６０ｅ、解析結果記憶部６０ｆ、操作部６０ｇ及び表示部６０ｈはインターフェース部６０ｄによって解析処理部６０ａと撮影制御部６０ｂに接続されている。カメラ部６０ｅは、上述した図２に示すラベル検査位置Ｐ３、ラベル装着位置Ｐ２、ボトル受取位置Ｐ４、ラベル受取位置Ｐ１の各位置のボトルＢやラベルＬやラベル付きボトルＢを撮影するための第１カメラ６１乃至第４カメラ６４を含む部分である。 The analysis device 60 includes functional blocks of an analysis processing unit 60a, a shooting control unit 60b, a shot image storage unit 60c, an interface unit 60d, a camera unit 60e, an analysis result storage unit 60f, an operation unit 60g, and a display unit 60h. The camera unit 60e, the analysis result storage unit 60f, the operation unit 60g, and the display unit 60h are connected to the analysis processing unit 60a and the imaging control unit 60b by an interface unit 60d. The camera unit 60e captures the bottle B, the label L, and the labeled bottle B at each of the label inspection position P3, the label mounting position P2, the bottle receiving position P4, and the label receiving position P1 shown in FIG. This is a portion including the first camera 61 to the fourth camera 64.
　解析処理部６０ａは、第１カメラ６１乃至第４カメラ６４の撮影画像を用いてラベル装着装置１で生産される各ラベル付きボトルＢのラベル装着の良否を判定し、不良の場合はその不良要因を解析する部分である。撮影画像記憶部６０ｃは、第１カメラ６１乃至第４カメラ６４で撮影される画像データ（以下、「撮影データ」という。）をそれぞれ所定の枚数分（例えば、１００枚分）だけ一時的に保存する部分である。 The analysis processing unit 60a determines pass / fail of label mounting of each labeled bottle B produced by the label mounting apparatus 1 using the captured images of the first camera 61 to the fourth camera 64. It is a part to analyze. The captured image storage unit 60c temporarily stores image data (hereinafter referred to as “photographed data”) captured by the first camera 61 to the fourth camera 64 for a predetermined number of sheets (for example, 100 sheets). It is a part to do.
　撮影制御部６０ｂは、第１カメラ６１乃至第４カメラ６４の撮影動作を制御する部分である。撮影制御部６０ｂは、レリーズ指令信号が入力される毎に第１カメラ６１～第４カメラ６４の撮影動作を行なわせ、第１カメラ６１～第４カメラ６４から転送される撮影データをＲＡＭの撮影画像記憶領域に記憶させる。解析処理部６０ａと撮影制御部６０ｂは、ＣＰＵ（Central Processing Unit）、ＲＯＭ（Read Only Memory）、ＲＡＭ（Random Access Memory）を含むマイクロコンピュータで構成され、解析処理部６０ａ及び撮影制御部６０ｂは、解析プログラム及び撮影プログラムを記憶するＲＯＭと、その解析プログラムや撮影プログラムを実行するＣＰＵと、ＣＰＵが解析プログラムや撮影プログラムを実行するために必要なプログラムやデータを保存するＲＡＭ（特に作業領域として設定された記憶領）によって構成され、撮影画像記憶部６０ｃは、ＲＡＭ（特に画像データ保存領域として設定された記憶領域）によって構成される。 The imaging control unit 60 b is a part that controls the imaging operation of the first camera 61 to the fourth camera 64. The shooting control unit 60b causes the first camera 61 to the fourth camera 64 to perform shooting operations every time a release command signal is input, and the shooting data transferred from the first camera 61 to the fourth camera 64 is shot in the RAM. Store in the image storage area. The analysis processing unit 60a and the imaging control unit 60b are configured by a microcomputer including a CPU (Central Processing Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory). The analysis processing unit 60a and the imaging control unit 60b ROM for storing analysis programs and imaging programs, CPU for executing the analysis programs and imaging programs, and RAM for storing programs and data necessary for the CPU to execute analysis programs and imaging programs (particularly set as a work area) The captured image storage unit 60c is configured by a RAM (particularly a storage area set as an image data storage area).
　撮影画像記憶部６０ｃには、第１カメラ６１乃至第４カメラ６４の撮影データがそれぞれ所定の枚数分（例えば、１００枚分）だけ一時的に保存される。なお、撮影データの主たる用途は、作業者が不良要因を視覚的に解析するためであるので、撮影データは白黒の２値化処理によるデータ圧縮が行なわれて撮影画像記憶６０ｂに保存される。従って、ＲＡＭには、図１５に示すように、第１カメラ６１乃至第４カメラ６４の撮影データをそれぞれ保存する４つの撮影画像記憶領域ＡＲ１～ＡＲ４が設けられている。各撮影画像記憶領域ＡＲ１～ＡＲ４は１００個のアドレスが設けられ、各アドレスに撮影データが１枚ずつ保存される。 In the photographed image storage unit 60c, photographing data of the first camera 61 to the fourth camera 64 is temporarily stored for a predetermined number of sheets (for example, 100 sheets). Since the main use of the photographic data is for the operator to visually analyze the cause of the defect, the photographic data is compressed in black and white binarization processing and stored in the photographic image storage 60b. Therefore, as shown in FIG. 15, the RAM is provided with four captured image storage areas AR1 to AR4 for storing the captured data of the first camera 61 to the fourth camera 64, respectively. Each photographed image storage area AR1 to AR4 is provided with 100 addresses, and one photographed data is stored at each address.
　最初の１００枚の撮影データは撮影順にアドレスの番号順に保存されるが、１００枚を超えると、最も小さいアドレス（最上位のアドレス）に戻ってアドレスの番号順に先の撮影データを破棄しながら新しい撮影データが保存される。例えば、撮影画像保存領域ＡＲ１では、最初の１００枚の撮影データが撮影順にアドレス（０００１）から（０１００）に保存されるが、１０１枚目から２００枚目の撮影データはアドレス（０００１）に戻り、各アドレスに保存されている撮影データを破棄しながらアドレス（０００１）から（０１００）に保存される。従って、各撮影画像保存領域ＡＲ１～ＡＲ４には、常に最新の撮影データから遡って１００枚分の撮影データが一時的に保存される。 The first 100 shot data are stored in the order of the address number in the order of shooting, but when the number exceeds 100, it returns to the smallest address (the highest address) and new data is discarded while discarding the previous shot data in the order of the address numbers. Shooting data is saved. For example, in the photographed image storage area AR1, the first 100 pieces of photographed data are saved in the order of photographing from addresses (0001) to (0100), but the 101st to 200th pieces of photographed data return to the address (0001). The image data stored at each address is discarded from addresses (0001) to (0100) while being discarded. Accordingly, in each of the captured image storage areas AR1 to AR4, 100 sheets of captured data are always temporarily stored retroactively from the latest captured data.
　なお、各撮影画像記憶領域ＡＲ１～ＡＲ４に保存されている撮影データを古い順に破棄し、残っている撮影データのアドレスをそれぞれ１つずつ繰り上げるとともに最新の撮影データを最下位のアドレスに記憶するようにしてもよい。すなわち、最新の１００枚分の撮影データを常に各撮影画像記憶領域ＡＲ１～ＡＲ４のアドレスの番号順に記憶させるようにしてもよい。例えば、上記の撮影画像保存領域ＡＲ１の例では、アドレス（０００１）～（０１００）に保存された撮影データの保存先を１つずつ繰り上げ、１０１枚目の撮影データをアドレス（０１００）に保存する。従って、アドレス（０００１）～（０１００）には２枚目から１０１枚目の撮影データが保存される。 Note that the shooting data stored in each of the shooting image storage areas AR1 to AR4 is discarded in chronological order, the address of the remaining shooting data is incremented by one, and the latest shooting data is stored at the lowest address. It may be. That is, the latest 100 pieces of shooting data may always be stored in the order of the numbers of the shot image storage areas AR1 to AR4. For example, in the above-described example of the captured image storage area AR1, the storage destination of the captured data stored in the addresses (0001) to (0100) is incremented by one, and the 101st captured data is stored in the address (0100). . Accordingly, the second to 101st image data is stored at addresses (0001) to (0100).
　図２に示すラベル装着位置Ｐ２、ラベル検査位置Ｐ３、ボトル受取位置Ｐ４、ラベル受取位置Ｐ１の各位置へのボトルＢやラベルＬを受け取るラベル装着ヘッド４１の搬送は支持盤４０の回転動作によって行なわれるので、カメラ部６０ｅ内の第１カメラ６１～第４カメラ６４へのレリーズ指令信号は、当該支持盤４０の回転に同期して出力される。 The label mounting head 41 that receives the bottle B and the label L to each of the label mounting position P2, the label inspection position P3, the bottle receiving position P4, and the label receiving position P1 shown in FIG. Therefore, the release command signal to the first camera 61 to the fourth camera 64 in the camera unit 60e is output in synchronization with the rotation of the support plate 40.
　例えば、支持盤４０の回転軸に３０本のラベル装着ヘッド４１にそれぞれ対応してスリットが設けられたロータリーエンコーダを設けるとともに、回転基準位置αの方向でロータリーエンコーダに対向する位置にスリットを検出するセンサを設け、支持盤４０の回転速度に比例した周期のスリットを検出したパルス信号をレリーズ指令信号として出力させる。スリットを検出したパルス信号はラベル装着ヘッド４１が回転基準位置αを通過するのに同期して出力されるから、撮影制御部６０ｂはこのパルス信号が入力されると、第１カメラ６１乃至第４カメラ６４の撮影動作を行なわせる。従って、第１カメラ６１と第２カメラ６２は、ラベル付きボトルＢがラベル装着位置Ｐ２とラベル検査位置Ｐ３に搬送される毎に当該ラベル付きボトルＢの検査箇所とボトル全体をそれぞれ撮影する。また、第３カメラ６３は、ボトルＢがボトル受取位置Ｐ４で受け取られる毎に当該ボトルＢを撮影し、第４カメラ６４は、ラベルＬがラベル受取位置Ｐ１で受け取られる毎に当該ラベルＬを撮影する。 For example, a rotary encoder provided with a slit corresponding to each of the 30 label mounting heads 41 is provided on the rotating shaft of the support board 40, and the slit is detected at a position facing the rotary encoder in the direction of the rotation reference position α. A sensor is provided, and a pulse signal that detects a slit having a period proportional to the rotational speed of the support plate 40 is output as a release command signal. Since the pulse signal that detects the slit is output in synchronization with the label mounting head 41 passing through the rotation reference position α, the imaging control unit 60b receives the first camera 61 through the fourth camera when the pulse signal is input. The photographing operation of the camera 64 is performed. Accordingly, the first camera 61 and the second camera 62 respectively photograph the inspection location of the labeled bottle B and the entire bottle each time the labeled bottle B is conveyed to the label mounting position P2 and the label inspection position P3. The third camera 63 photographs the bottle B every time the bottle B is received at the bottle receiving position P4, and the fourth camera 64 photographs the label L every time the label L is received at the label receiving position P1. To do.
　第１カメラ６１乃至第４カメラ６４は、撮影をする毎にその撮影データを解析装置６０に転送する。解析装置６０では、撮影制御部６０ｂが第１カメラ６１乃至第４カメラ６４から撮影データが転送される毎にそれらの撮影データをＲＡＭの撮影画像記憶領域ＡＲ１～ＡＲ４に保存する。 Each time the first camera 61 to the fourth camera 64 take a picture, the photographed data is transferred to the analysis device 60. In the analysis device 60, every time shooting data is transferred from the first camera 61 to the fourth camera 64, the shooting control unit 60b stores the shooting data in the shooting image storage areas AR1 to AR4 of the RAM.
　なお、本実施形態では、ＲＡＭに１００枚分の撮影データが保存されるので、各撮影データがＲＡＭに保存される時間ｔは撮影周期を「Ｔｒ」とすると、ｔ＝１００×Ｔｒである。一方、ラベル付きボトルＢを検査するための第４カメラ６４の撮影データに対して、当該ラベル付きボトルＢに関係する第１カメラ６１のラベルＬの撮影データや第２カメラ６２のボトルＢの撮影データは撮影タイミングが早いので、第４カメラ６４の撮影データがＲＡＭに保存されている期間と第１カメラ６１や第２カメラ６２の撮影データがＲＡＭに保存されている期間にズレが生じる。 In this embodiment, since 100 pieces of shooting data are stored in the RAM, the time t during which each piece of shooting data is stored in the RAM is t = 100 × Tr, where the shooting cycle is “Tr”. On the other hand, for the photographing data of the fourth camera 64 for inspecting the labeled bottle B, the photographing data of the label L of the first camera 61 and the photographing of the bottle B of the second camera 62 related to the bottle B with the label. Since the shooting timing of the data is early, there is a difference between the period in which the shooting data of the fourth camera 64 is stored in the RAM and the period in which the shooting data of the first camera 61 or the second camera 62 is stored in the RAM.
　従って、検査したラベル付きボトルＢに関連する４枚の撮影データ（ラベルＬの撮影画像、ボトルＢの撮影画像、ラベル付きボトルＢ全体の撮影画像、ラベル付きボトルＢの検査箇所の撮影画像）が全てＲＡＭに保存されている時間ｔ’は（１００×Ｔｒ）より短くなる。正確には、第１カメラ６１で撮影されたラベルＬがボトルＢに装着されて第４カメラ６４で撮影されるまでの時間（支持盤４０がボトル３３本分の回転をする時間）だけ短くなる。 Accordingly, four pieces of photographing data related to the inspected bottle B (the photographed image of the label L, the photographed image of the bottle B, the photographed image of the entire bottle B with the label, the photographed image of the inspection portion of the bottle B with the label) are obtained. The time t ′ stored in the RAM is shorter than (100 × Tr). Precisely, the time until the label L photographed by the first camera 61 is attached to the bottle B and photographed by the fourth camera 64 (the time required for the support board 40 to rotate for 33 bottles) is shortened. .
　例えば、７２０本／分の速度でラベル装着をした場合、撮影周期ＴｒはＴｒ＝６０／７２０＝１／１２（秒）となるから、撮影データの保存時間ｔは凡そ８（秒）となる。一方、ラベル支持盤４１がボトル３３本分の回転をする時間は３３／１２＝２．７５であるから、各ラベル付きボトルＢに関連する４枚の撮影データがＲＡＭに保存されている時間ｔ’は、凡そ５．４（秒）となる。 For example, when labels are attached at a speed of 720 lines / minute, the shooting period Tr is Tr = 60/720 = 1/12 (seconds), and thus the storage time t of the shooting data is about 8 (seconds). On the other hand, since the time for which the label support board 41 rotates for 33 bottles is 33/12 = 2.75, the time t when four pieces of photographing data related to each labeled bottle B are stored in the RAM. 'Is approximately 5.4 (seconds).
　解析処理部６０ａは、保存時間ｔ’よりも短い周期で、各ラベル付きボトルＢのラベル装着の良否を判定し、「不良」と判定されたときは、ＲＡＭの撮影画像記憶領域ＡＲ１～ＡＲ４から不良と判定されたラベル付きボトルＢに関連する４枚の撮影データを後述する解析結果とともに解析結果記憶部６０ｆに転送する。従って、不良と判定されたラベル付きボトルＢに関連する４枚の撮影データを確実に解析結果記憶部６０ｆに転送して保存することができる。なお、ＲＡＭの撮影画像記憶領域ＡＲ１～ＡＲ４の容量を増やし、保存する撮影データの枚数を増やせば、保存時間ｔ’が長くなるので、解析処理部６０ａにおける解析処理の時間に余裕を持たせることができる。 The analysis processing unit 60a determines whether the label-attached bottle B is attached with a label at a cycle shorter than the storage time t ′. If it is determined as “bad”, the analysis processing unit 60a uses the captured image storage areas AR1 to AR4 in the RAM. The four pieces of photographing data related to the labeled bottle B determined to be defective are transferred to the analysis result storage unit 60f together with the analysis result described later. Accordingly, it is possible to reliably transfer and save the four pieces of photographing data related to the labeled bottle B determined to be defective to the analysis result storage unit 60f. Note that if the capacity of the captured image storage areas AR1 to AR4 of the RAM is increased and the number of captured data to be stored is increased, the storage time t ′ becomes longer, so that the analysis processing time in the analysis processing unit 60a is given a margin. Can do.
　図１４に戻り、解析結果記憶部６０ｆは、ＣＰＵにインターフェース部６０ｄを介して接続されるハードディスクなどの記憶装置で構成され、解析処理部６０ａの解析処理の結果として出力されるデータや不良と判定されたラベル付きボトルＢに関連する４枚の撮影データを保存する。 Returning to FIG. 14, the analysis result storage unit 60 f is configured by a storage device such as a hard disk connected to the CPU via the interface unit 60 d, and is determined as data or failure output as a result of the analysis processing of the analysis processing unit 60 a. Four pieces of photographing data related to the labeled bottle B are stored.
　ラベル装着装置１は、例えば、７２０本／分の速度でボルトＢへのラベル装着処理を行なうので、ラベル装着不良が発生したとしてもその不良がその後のラベル装着処理に重大な問題とならない場合は直ちにラベル装着装置１の動作を停止させることは難しい。例えば、ラベル装着部４のラベル装着ヘッド４１がラベルＬを受け取る姿勢が適正姿勢からズレ、それが原因でラベル付きボトルＢの検査で不良が発生する場合は、全てのラベル装着ヘッド４１が不良でなければ、全てのラベル付きボトルＢの検査結果が不良になることはない。 For example, since the label mounting apparatus 1 performs label mounting processing on the bolt B at a speed of 720 lines / minute, even if a label mounting failure occurs, the failure does not become a serious problem in the subsequent label mounting processing. It is difficult to immediately stop the operation of the label mounting apparatus 1. For example, if the label mounting head 41 of the label mounting unit 4 receives the label L out of the proper position and causes a defect in the inspection of the bottle B with the label, all the label mounting heads 41 are defective. Otherwise, the inspection results of all the labeled bottles B will not be defective.
　このような場合は、特定のラベル装着ヘッド４１の調整不良がラベル装着の不良原因であるから、この不良原因を解消するためにラベル装着装置１を停止させ、調整不良のラベル装置ヘッド４１を探し、当該ラベル装着装置１の調整をするとすれば、著しく生産性を低下することになる。従って、このような場合は、作業者がラベル装着装置１を停止させることなくラベル装着装置１の不良の発生状況を監視し、ラベル装着装置１の調整が必要と判断した場合に、ラベル装着装置１を停止させてメンテナンス（不良原因の解析と装置の調整など）を行うことになる。 In such a case, since the adjustment failure of the specific label mounting head 41 is the cause of the label mounting failure, the label mounting device 1 is stopped in order to eliminate this cause of the failure, and the poorly adjusted label device head 41 is searched. If the label mounting apparatus 1 is adjusted, the productivity is significantly reduced. Therefore, in such a case, when the operator monitors the occurrence state of the defect of the label mounting apparatus 1 without stopping the label mounting apparatus 1 and determines that the label mounting apparatus 1 needs to be adjusted, the label mounting apparatus 1 is stopped and maintenance (analysis of the cause of failure and adjustment of the apparatus) is performed.
　なお、本実施形態では説明を省略したが、実際のラベル装着装置にはボトル搬出部５の搬送経路上に不良のラベル付きボトルＢを排除するボトル排除機構が設けられており、ラベル装着不良解析部６でラベル装着不良と判定されると、そのラベル付きボトルＢがボトル排除機構を通過するときに当該ボトル排除機構が作動して搬出経路から排除されるようになっている。 Although not described in the present embodiment, the actual label mounting apparatus is provided with a bottle removal mechanism for removing the defective labeled bottle B on the transport path of the bottle unloading unit 5, and the label mounting failure analysis is performed. When it is determined that the label 6 is defective in the part 6, when the bottle B with the label passes through the bottle removing mechanism, the bottle removing mechanism is activated and removed from the carry-out path.
　解析結果記憶部６０ｆは、ラベル装着装置１のメンテナンスで作業者が不良解析を行うためにラベル装着不良が生じたラベル付きボトルＢの解析結果を保存しておくためのメモリである。 The analysis result storage unit 60f is a memory for storing an analysis result of the bottle B with a label in which a label mounting failure has occurred because an operator performs a failure analysis during maintenance of the label mounting device 1.
　操作部６０ｇは、作業者がラベル操作装置１を動作させるために必要な情報を入力したり、各種の動作指令を入力したり機能を果す部分である。操作部６０ｇには専用のキーボートはテンキーが設けられており、作業者は操作部６０ｇのキーを操作することによってラベル装着不良の解析処理に関する各種の指令を入力することができる。 The operation unit 60g is a part that performs functions such as inputting information necessary for an operator to operate the label operation device 1 and inputting various operation commands. A dedicated keyboard is provided on the operation unit 60g, and a numeric keypad is provided. The operator can input various commands related to the analysis process of label attachment failure by operating the keys of the operation unit 60g.
　表示部６０ｈは、例えば、液晶ディスプレイで構成され、ラベル装着装置１の動作状態を表示させる機能を果す部分である。作業者は、操作部６０ｇを操作することによってラベル装着装置１の動作中における解析装置６０の処理状況を表示させることができる。その表示では、解析装置６０が各ラベル付きボトルＢの検査を行なう毎に、例えば、図１６に示すような検査結果の画像が表示される。なお、ラベル装着装置１のラベル装着処理速度は高速であるので、表示部６０ｈには各ラベル付きボトルＢの検査結果が一瞬しか表示されず、各検査結果の内容を作業者は視認することはできないが、検査不良が発生したときにはそのメッセージが表示されるので、作業者は表示部６０ｈの表示状況からラベル装着装置１の動作状況を確認することができる。 The display unit 60 h is a part that is configured by, for example, a liquid crystal display and performs a function of displaying the operation state of the label mounting apparatus 1. The operator can display the processing status of the analysis device 60 during the operation of the label mounting device 1 by operating the operation unit 60g. In the display, each time the analysis device 60 inspects each bottle B with a label, for example, an image of the inspection result as shown in FIG. 16 is displayed. In addition, since the label mounting processing speed of the label mounting apparatus 1 is high, the inspection result of each bottle B with a label is displayed only for a moment on the display unit 60h, and the operator can visually check the contents of each inspection result. However, since an error message is displayed when an inspection failure occurs, the operator can confirm the operation status of the label mounting apparatus 1 from the display status of the display unit 60h.
　図１６に示す検査結果の画像は、４枚の撮影データを一括表示する部分と検査結果の内容を示す部分とで構成される。撮影画像の表示部分は図４に示す４枚の撮影データを格子状に配列して表示したものであり、左上と左下にそれぞれ第４カメラ６４の検査用撮影データと第３カメラ６３のラベル付きボトルＢ全体の撮影データを配列し、右上と右下に第２カメラ６２のボトルＢを受け取ったときの撮影データと第１カメラ６１のラベルＬを受け取ったときの撮影データを配列したものである。すなわち、４枚の撮影データを撮影順に右下から左上にＮ字状に配列したものである。 The image of the inspection result shown in FIG. 16 includes a part for collectively displaying four pieces of photographing data and a part indicating the contents of the inspection result. The display portion of the photographed image is obtained by arranging and displaying the four pieces of photographing data shown in FIG. 4 in a grid pattern, with the photographing data for inspection of the fourth camera 64 and the label of the third camera 63 on the upper left and lower left, respectively. The shooting data of the entire bottle B is arranged, and the shooting data when the bottle B of the second camera 62 is received and the shooting data when the label L of the first camera 61 is received are arranged in the upper right and lower right. . That is, four pieces of shooting data are arranged in an N shape from the lower right to the upper left in the shooting order.
　なお、４枚の撮影データの配列順は、図１６の例に限定されるものではない。要は４枚の撮影データの撮影順が直感的に把握できる配列であればよく、例えば、４枚の撮影画データを撮影順に右上から左上にＵ字状に配列してもよく、右下から左上にＺ字状に配列してもよい。 It should be noted that the arrangement order of the four pieces of shooting data is not limited to the example of FIG. In short, any arrangement is possible as long as the photographing order of the four pieces of photographing data can be intuitively grasped. For example, four pieces of photographing image data may be arranged in a U-shape from the upper right to the upper left in the photographing order. You may arrange in Z shape at the upper left.
　検査結果の内容を示す部分（図１６の右側の部分）には、検査不良となったボトルを特定する情報と、検査日時と、パターンマッチングにより算出されるズレ量などの情報が含まれる。なお、ボトルを特定する情報や検査日時には、各ラベル付きボトルＢのラベル装着の検査が順番に行なわれるので、例えば、検査開始後の順番や検査時刻が添付される。 The part indicating the contents of the inspection result (the right part in FIG. 16) includes information such as information for specifying the bottle that has failed the inspection, the date and time of inspection, and the amount of deviation calculated by pattern matching. In addition, since the label mounting inspection of each bottle B with a label is sequentially performed on the information for specifying the bottle and the inspection date and time, for example, the order after the start of inspection and the inspection time are attached.
　解析処理部６０ａは、第４カメラ６４で撮影された画像（以下、「検査用撮影画像」という。）を予め用意された基準画像（正常にラベルＬが装着されたラベル付きボトルＢの検査箇所を撮影した画像）とパターンマッチングにより照合してラベル装着の良否を判定する。解析処理部６０ａは、例えば、基準画像に対する検査用撮影画像の上下方向のズレ量と左右方向のズレ量を算出し、それらのズレ量のいずれもが所定の許容範囲内であれば、ラベル装着結果は「良」と判定し、いずれか一方又は両方のズレ量が許容範囲外であれば、ラベル装着結果は「不良」と判定する。そして、「不良」と判定されたときは、解析処理部６０ａは、ＲＡＭの撮影画像記憶領域ＡＲ１～ＡＲ４から不良と判定されたラベル付きボトルＢに関連する４枚の撮影データを解析結果（ラベル装着の良否判定、各方向のズレ量、タイムスタンプなどの情報を含む。）のデータとともに解析結果記憶部６０ｆに転送する。 The analysis processing unit 60a prepares a reference image prepared in advance for an image photographed by the fourth camera 64 (hereinafter referred to as “inspection photographed image”) (inspected location of the labeled bottle B with the label L normally attached). The image is taken up with image matching) by pattern matching to determine whether the label is attached or not. For example, the analysis processing unit 60a calculates the vertical and horizontal shift amounts of the inspection photographed image with respect to the reference image. If both of the shift amounts are within a predetermined allowable range, the label mounting is performed. The result is determined as “good”, and if one or both of the deviation amounts are out of the allowable range, the label mounting result is determined as “defective”. When it is determined as “defective”, the analysis processing unit 60a analyzes the four captured image data related to the labeled bottle B determined as defective from the captured image storage areas AR1 to AR4 of the RAM. This information is transferred to the analysis result storage unit 60f together with data on whether or not it is attached or not, information on misalignment in each direction, time stamp, etc.).
　なお、解析処理部６０ａは、ラベル付きボトルＢだけでなく、ラベル受取位置Ｐ１で受け取る各ラベルＬやボトル受取位置Ｐ４で受け取る各ボトルＢの撮影画像についてもパターンマッチングにより受取姿勢のズレ量を算出し、そのズレ量を用いて受取姿勢の良否を判別するようにしてもよい。 The analysis processing unit 60a calculates not only the bottle B with the label but also the label L received at the label receiving position P1 and the captured image of each bottle B received at the bottle receiving position P4 by pattern matching. Then, it may be determined whether the receiving posture is good or bad by using the deviation amount.
　この場合は、図１７に示すように、第１カメラ６１、第３カメラ６３及び第４カメラ６４の各撮影データが表示される表示領域の所定の位置（図１７では右下の部分）に、それぞれ上下方向と左右方向のズレ量と良否の判定結果を表示するにするとよい。このようにすることで、作業者は、例えば、不良と判定されたラベル付きボトルＢのラベルＬの受取姿勢やボトルＢの受取姿勢でＮＧが出ている場合、ラベルＬとボトルＢの受取姿勢のズレ量からラベルＬとボトルＢの受取姿勢がラベル付きボトルＢの不良にどの程度影響しているのかを判断することができる。 In this case, as shown in FIG. 17, at a predetermined position (lower right portion in FIG. 17) of the display area where the shooting data of the first camera 61, the third camera 63, and the fourth camera 64 are displayed. It is preferable to display the amount of misalignment in the up and down direction and the right and left direction and the determination result of pass / fail. By doing in this way, for example, when NG appears in the receiving posture of the label L or the receiving posture of the bottle B of the bottle B with a label determined to be defective, the worker can receive the posture of the label L and the bottle B. It is possible to determine how much the receiving posture of the label L and the bottle B influences the defect of the labeled bottle B from the amount of deviation.
　また、ラベルＬ、ボトルＢの受取姿勢の判定では、良否だけでなく複数のランク判別をするようにしてもよい。例えば、Ａ：適正、Ｂ：やや不適（ズレ量；小　ラベル不良要因になる可能性；低い）、Ｃ：かなり不適（ズレ量；中　ラベル不良要因になる可能性；高い）、Ｄ：不適（ズレ量；大　ラベル不良の主要因）のようなランク分けをするようにし、図１７に示す表示例において、ラベルＬ及びボルトＢの受取姿勢の撮影データの表示部分にランク結果も表示するとよい。この場合は、検査結果（ラベル装着の良否判定）とラベルＬ及びボトルＢの受取姿勢の良否判定やランク判定の判定結果、更には検査結果とラベルＬ及びボトルＢの判定結果の関連性などの判断結果等が解析結果のデータに含まれることになる。 Further, in the determination of the receiving posture of the label L and the bottle B, not only pass / fail but also a plurality of ranks may be determined. For example, A: Appropriate, B: Slightly inappropriate (deviation amount; small, likely to cause label failure; low), C: Very inappropriate (deviation amount; moderate, likely to cause label failure; high), D: Inappropriate ( In the display example shown in FIG. 17, rank results may be displayed on the display portion of the photographing data of the receiving postures of the label L and the bolt B. In this case, the inspection result (determining whether or not the label is attached), the determination result of the receiving posture of the label L and the bottle B, the determination result of the rank determination, and the relationship between the inspection result and the determination result of the label L and the bottle B Judgment results and the like are included in the analysis result data.
　ラベルＬ、ボトルＢの受取姿勢の判定でランク分けの判定をしておくと、ラベル付きボトルＢのラベル装着不良が発生したとき、そのラベル付きボトルＢの検査結果にラベルＬとボトルＢの受取姿勢の判定ランクが含まれるので、これらの受取姿勢の状況がラベル装着不良にどの程度影響したかを判別することができる。 If the label L and bottle B receiving posture is determined for rank classification, when a label mounting failure occurs in the labeled bottle B, the label L and the bottle B are received in the inspection result of the labeled bottle B. Since the posture determination rank is included, it is possible to determine how much the situation of the receiving posture affects the label mounting failure.
　例えば、ラベルＬがランクＡでボトルＢがランクＤであれば、作業者は解析時にボトルＢの姿勢が不良のためにラベルＬを装着するときにラベル装着不良となる位置ずれが生じたと判断することができ、ラベルＬがランクＤでボトルＢがランクＡであれば、ラベルＬの姿勢が不良のためにそのラベルＬを装着するときにラベル装着不良となる位置ずれが生じたと判断することができる。また、ラベルＬもボトルＢがランクＣであれば、作業者はラベルＬの姿勢とボトルＢの姿勢が相互に不良のためにラベルＬを装着するときにラベル装着不良となる位置ずれが生じたと判断することができる。 For example, if the label L is rank A and the bottle B is rank D, the operator determines that a misalignment has occurred that causes a label mounting failure when the label L is mounted because the posture of the bottle B is defective during analysis. If the label L is rank D and the bottle B is rank A, it is possible to determine that a misalignment that causes a label mounting failure has occurred when the label L is mounted because the posture of the label L is defective. it can. In addition, if the label L is also the bottle B in the rank C, the worker has a misalignment that causes a label mounting failure when the label L is mounted because the posture of the label L and the posture of the bottle B are mutually defective. Judgment can be made.
　次に、解析処理部６０ａと撮影制御部６０ｂの行なう処理手順について簡単に説明する。まず、図１８のフローチャートを用いて撮影制御部６０ｂによる第１カメラ６１～第４カメラ６４の撮影制御について説明する。 Next, processing procedures performed by the analysis processing unit 60a and the imaging control unit 60b will be briefly described. First, shooting control of the first camera 61 to the fourth camera 64 by the shooting control unit 60b will be described using the flowchart of FIG.
　ラベル装着装置１のラベル装着動作が開始されると、撮影制御部６０ｂは、先ず、撮影画像記憶領域ＡＲ１～ＡＲ４の撮影データを記憶するアドレス位置をカウントするカウンタの値ｉを「１」にセットする（Ｓ１）。なお、ここでは、アドレス位置を撮影画像記憶領域ＡＲ１～ＡＲ４の先頭位置からの番号とし、カウンタはその番号をカウントするものとする。上述したように、本実施形態では撮影画像記憶領域ＡＲ１～ＡＲ４の撮影データの保存枚数は１００枚であるので、カウンタのカウント範囲は１～１００となる。従って、カウント値が１００を越えると、カウンタは再度１～１００のカウントを行なうことになる。 When the label mounting operation of the label mounting apparatus 1 is started, the shooting control unit 60b first sets the value i of the counter that counts the address positions for storing the shooting data in the shooting image storage areas AR1 to AR4 to “1”. (S1). Here, it is assumed that the address position is a number from the head position of the captured image storage areas AR1 to AR4, and the counter counts the number. As described above, in the present embodiment, since the number of shot data stored in the shot image storage areas AR1 to AR4 is 100, the count range of the counter is 1 to 100. Therefore, when the count value exceeds 100, the counter again counts 1 to 100.
　続いて、撮影制御部６０ｂは、レリーズ指令信号が入力されたか否かを判別し（Ｓ２）、レリーズ指令信号が入力されると（Ｓ２：ＹＥＳ）、第１カメラ６１乃至第１カメラ６４に転送して撮影動作を行なわせる（Ｓ３）。その後、第１カメラ６１乃至第１カメラ６４から撮影データが返送されると（Ｓ４：ＹＥＳ）、その撮影データをそれぞれ撮影画像記憶領域ＡＲ１～ＡＲ４のｉ番目のアドレスに記憶し（Ｓ５）、カウント値ｉを１だけ増加する（Ｓ６）。 Subsequently, the imaging control unit 60b determines whether or not a release command signal has been input (S2). When the release command signal is input (S2: YES), the shooting control unit 60b transfers the first command to the first camera 64. Then, the photographing operation is performed (S3). Thereafter, when shooting data is returned from the first camera 61 to the first camera 64 (S4: YES), the shooting data is stored in the i-th addresses of the shooting image storage areas AR1 to AR4, respectively (S5), and counted. The value i is increased by 1 (S6).
　続いて、撮影制御部６０ｂは、カウント値ｉが「１０１」になっているか否かを判別し（Ｓ７）、ｉ＝１０１であれば（Ｓ７：ＹＥＳ）、カウント値ｉから「１００」を引き（Ｓ８）、ｉ＝１０１でなければ（Ｓ７：ＮＯ）、ステップＳ８の処理をすることなくステップＳ２に戻る。以下、撮影制御部６０ｂは、上記のステップＳ２～Ｓ８のループ処理を行ない、レリーズ指令信号が入力される毎に第１カメラ６１～第４カメラ６４に撮影動作を行なわせ、その撮影データを撮影画像記憶領域ＡＲ１～ＡＲ４の１００個のアドレスに循環的に記憶する処理を繰り返す。 Subsequently, the imaging control unit 60b determines whether or not the count value i is “101” (S7). If i = 101 (S7: YES), “100” is subtracted from the count value i. (S8) If i = 101 is not satisfied (S7: NO), the process returns to step S2 without performing the process of step S8. Thereafter, the imaging control unit 60b performs the loop processing of the above steps S2 to S8, causes the first camera 61 to the fourth camera 64 to perform imaging operations each time a release command signal is input, and captures the imaging data. The process of cyclically storing at 100 addresses in the image storage areas AR1 to AR4 is repeated.
　図１９は、第１カメラ６１乃至第４カメラ６４における撮影動作を示すフローチャートである。 FIG. 19 is a flowchart showing a photographing operation in the first camera 61 to the fourth camera 64.
　第１カメラ６１乃至第４カメラ６４では、撮影制御部６０ｂからレリーズ指令信号が入力されると（Ｓ１１：ＹＥＳ）、撮影動作が行なわれる（Ｓ１２）。この撮影動作における露出とシャッタスピードは予め設定されている。なお、ラベル装着装置１のラベル装着速度の最大値を３０×Ｎmax（枚／分）とすると、各カメラのシャッタスピードは６０／（３０×Ｎmax）＝２／Ｎmax（秒）よりも短い値が設定されている。 In the first camera 61 to the fourth camera 64, when a release command signal is input from the shooting control unit 60b (S11: YES), a shooting operation is performed (S12). The exposure and shutter speed in this photographing operation are set in advance. When the maximum value of the label mounting speed of the label mounting apparatus 1 is 30 × Nmax (sheets / minute), the shutter speed of each camera is shorter than 60 / (30 × Nmax) = 2 / Nmax (seconds). Is set.
　続いて、撮影動作が終了すると、その撮影データに対して所定の圧縮処理が行なわれた後（Ｓ１３）、解析装置６０に転送され（Ｓ１４）、ステップＳ１１に戻る。以下、第１カメラ６１乃至第４カメラ６４では、上記のステップＳ１１～Ｓ１４のループ処理を行ない、レリーズ指令信号が入力される毎に撮影動作を行い、その撮影データを解析装置６０に転送する処理が繰り返される。 Subsequently, when the photographing operation is completed, a predetermined compression process is performed on the photographed data (S13), and then transferred to the analysis device 60 (S14), and the process returns to step S11. Thereafter, the first camera 61 to the fourth camera 64 perform the loop processing of the above steps S11 to S14, perform the photographing operation every time the release command signal is input, and transfer the photographing data to the analysis device 60. Is repeated.
　図２０Ａ、図２０Ｂは、解析処理部６０ａによる解析処理の処理手順を示すフローチャートである。 20A and 20B are flowcharts showing the processing procedure of the analysis processing by the analysis processing unit 60a.
　ラベル装着装置１でボトルＢへのラベル装着を行なわせる場合、作業者は最初に初期設定を行ない、慣らし運転を行なってその初期設定の確認を行なう。すなわち、ラベル基材Ｍの設定やボトルＢの供給準備を行ない、実際にラベル装着動作を行なってラベルＬの供給工程、ボトルＢの供給工程、ラベルＬとボトルＢを受け取って当該ラベルＬを当該ボトルＢに装着する工程、ラベルＬが装着されたボトルＢの搬出工程の各工程の動作確認が行なわれる。そして、この動作確認のときにも解析処理装置６０は動作するので、ＲＡＭの撮影画像記憶領域ＡＲ１～ＡＲ４には撮影データが記憶されている。 When the label is attached to the bottle B by the label attaching device 1, the worker first performs initial setting, performs a break-in operation, and confirms the initial setting. That is, the label base material M is set and the bottle B is prepared for supply, the label mounting operation is actually performed, the label L supply process, the bottle B supply process, the label L and the bottle B are received, and the label L is Operation confirmation of each process of the process of mounting to the bottle B and the carrying-out process of the bottle B to which the label L is mounted is performed. Since the analysis processing device 60 also operates at the time of this operation check, the shooting data is stored in the shooting image storage areas AR1 to AR4 of the RAM.
　上記の初期設定が終了した後、作業者が操作部６０ｇからラベル装着動作の開始を指令する操作を行なうと、図２０Ａ、図２０Ｂに示すフローチャートに従ってラベル装着処理中に解析処理が行なわれ、その処理は作業者が操作部６０ｇからラベル装着動作の停止を指令する操作が行なれるまで繰返される。 When the operator performs an operation to instruct the start of the label mounting operation from the operation unit 60g after the above initial setting is completed, an analysis process is performed during the label mounting process according to the flowcharts shown in FIGS. 20A and 20B. The process is repeated until the operator performs an operation for commanding the stop of the label mounting operation from the operation unit 60g.
　ラベル装着動作を開始すると、解析処理部６０ａは、先ず、撮影画像記憶領域ＡＲ４の検査対象の撮影データが記憶されているアドレス位置をカウントするカウンタの値ｊを「０」にリセットする（Ｓ２１）。なお、このカウンタ値ｊもカウンタ値ｉと同様に、アドレス位置を撮影画像記憶領域ＡＲ４の先頭位置からの番号とし、カウンタはその番号をカウントするものである。 When the label mounting operation is started, the analysis processing unit 60a first resets the value j of the counter that counts the address position where the imaging data to be inspected in the imaging image storage area AR4 is stored to “0” (S21). . Note that, similarly to the counter value i, the counter value j is also a number from the head position of the captured image storage area AR4, and the counter counts the number.
　続いて、解析処理部６０ａは、レリーズ指令信号が入力されたか否かを判別し（Ｓ２２）、レリーズ指令信号が入力されると（Ｓ２２：ＹＥＳ）、カウント値ｊを「１」だけ増加し（Ｓ２３）、そのカウント値ｊが「３４」になったか否かを判別する（Ｓ２４）。解析処理部６０ａは、ｊ＜３４であれば（Ｓ２４：ＮＯ）、ステップＳ２２に戻り、ｊ＝３４になると（Ｓ２４：ＹＥＳ）、ステップとＳ２５に移行する。 Subsequently, the analysis processing unit 60a determines whether or not a release command signal is input (S22). When the release command signal is input (S22: YES), the count value j is increased by “1” ( S23), it is determined whether or not the count value j has become "34" (S24). If j <34 (S24: NO), the analysis processing unit 60a returns to step S22. If j = 34 (S24: YES), the analysis processing unit 60a proceeds to step and S25.
　カウント値ｊが「３４」になるまで、検査処理を開始しないのは、最初のラベルＬがラベル受取位置Ｐ１で撮影されたときにはラベル検査位置Ｐ３にそのラベルＬが装着されたラベル付きボトルＢがなく、そのラベル付きボトルＢがラベル検査位置Ｐ３に到達するのにボトル３３本分の回転（すなわち、３４回分の撮影動作）が必要になるからである。撮影画像記憶領域ＡＲ１～ＡＲ４に記憶される撮影データのアドレス関係で言えば、３４枚分のラベルＬの撮影データが撮影画像記憶領域ＡＲ１のアドレス（００３３）からアドレス（０００１）に記憶され、２３枚分のボトルＢの撮影データが撮影画像記憶領域ＡＲ２のアドレス（００１０）からアドレス（０００１）に記憶され、２枚分のラベル付きボトルＢ全体の撮影データが撮影画像記憶領域ＡＲ３のアドレス（０００２），（０００１）に記憶されるときに、最初のラベル付きボトルＢの撮影データが撮影画像記憶領域ＡＲ４の先頭のアドレス（０００１）に記憶されるので、撮影画像記憶領域ＡＲ１～ＡＲ４における撮影データの記憶状態がそのような状態になるまで待つということである。 The inspection process is not started until the count value j becomes “34” because when the first label L is photographed at the label receiving position P1, the labeled bottle B having the label L mounted at the label inspection position P3 is used. This is because rotation of 33 bottles (that is, 34 shooting operations) is required for the labeled bottle B to reach the label inspection position P3. In terms of the address relationship of the shooting data stored in the shooting image storage areas AR1 to AR4, the shooting data of 34 labels L is stored from the address (0033) to the address (0001) of the shooting image storage area AR1, 23 The shooting data of the bottle B for the number of sheets is stored from the address (0010) to the address (0001) of the shooting image storage area AR2, and the shooting data of the entire labeled bottle B for two sheets is stored in the address (0002) of the shooting image storage area AR3. ), (0001), the shooting data of the first labeled bottle B is stored at the top address (0001) of the shooting image storage area AR4, so that the shooting data in the shooting image storage areas AR1 to AR4 is stored. It is to wait until the storage state becomes such a state.
　従って、検査対象の撮影データの撮影画像記憶領域ＡＲ４におけるアドレス位置ＡＤ４と他の３枚の撮影データの撮影画像記憶領域ＡＲ１～ＡＲ３におけるアドレス位置ＡＤ１，ＡＤ２，ＡＤ３とは、ＡＤ１＝ＡＤ４＋３３、ＡＤ２＝ＡＤ４＋２２、ＡＤ３＝ＡＤ４＋１（但し、１≦ＡＤ４≦１００）の関係になっている。 Accordingly, the address position AD4 of the photographic data to be inspected in the photographic image storage area AR4 and the address positions AD1, AD2, and AD3 in the photographic image storage areas AR1 to AR3 of the other three photographic data are AD1 = AD4 + 33, AD2 = The relationship is AD4 + 22, AD3 = AD4 + 1 (where 1 ≦ AD4 ≦ 100).
　ステップＳ２５に移行すると、解析処理部６０ａは、撮影画像記憶領域ＡＲ４のカウント値ｊのアドレス位置に記憶されている検査用撮影画像とＲＡＭの所定の記憶領域に格納されている基準画像とのパターンマッチング処理を行なう。解析処理部６０ａは、パターンマッチング処理で基準画像に対する検査用撮影画像の左右方向のズレ量Ｅｘと上下方向のズレ量Ｅｙを算出する。 In step S25, the analysis processing unit 60a makes a pattern of the inspection photographic image stored at the address position of the count value j in the photographic image storage area AR4 and the reference image stored in the predetermined storage area of the RAM. Perform matching processing. The analysis processing unit 60a calculates a lateral displacement amount Ex and an upward / downward displacement amount Ey of the inspection photographed image with respect to the reference image in the pattern matching process.
　続いて、解析処理部６０ａは、パターンマッチング処理で算出されたズレ量Ｅｘ，Ｅｙをそれぞれ予め設定された許容範囲Ｓｘ，Ｓｙと比較することによってラベル装着の良否判定（ラベル付きボトルＢの検査）を行う（Ｓ２６）。 Subsequently, the analysis processing unit 60a compares the deviation amounts Ex and Ey calculated in the pattern matching processing with the preset allowable ranges Sx and Sy, respectively, to determine whether or not the label is attached (inspection of the bottle B with a label). (S26).
　続いて、解析処理部６０ａは、カウント値ｊが、ｊ≦１、１＜ｊ≦２２、２２＜ｊ≦３３、３３＜ｊのいずれの範囲にあるかを判別する（Ｓ２７、Ｓ２８、Ｓ２９）。 Subsequently, the analysis processing unit 60a determines whether the count value j is in a range of j ≦ 1, 1 <j ≦ 22, 22 <j ≦ 33, or 33 <j (S27, S28, S29). .
　解析処理部６０ａは、ｊ≦１であれば（Ｓ２７：ＹＥＳ）、撮影画像記憶領域ＡＲ１～ＡＲ３からそれぞれ読み出す撮影データのアドレス値ｋ１，ｋ２，ｋ３をｋ１＝（ｊ＋１００）－３３＝ｊ＋６７、ｋ２＝（ｊ＋１００）－２２＝ｊ＋７８、ｋ３＝（ｊ＋１００）－１＝ｊ＋９９により算出し（Ｓ３０）、１＜ｊ≦２２であれば（Ｓ２８：ＹＥＳ）、アドレス値ｋ１，ｋ２，ｋ３をｋ１＝ｊ＋６７、ｋ２＝ｊ＋７８、ｋ３＝ｊ－１により算出し（Ｓ３１）、２２＜ｊ≦３３であれば（Ｓ２９：ＹＥＳ）、アドレス値ｋ１，ｋ２，ｋ３をｋ１＝ｊ＋６７、ｋ２＝ｊ－２２、ｋ３＝ｊ－１により算出し（Ｓ３２）、３３＜ｊであれば（Ｓ２９：ＮＯ）、アドレス値ｋ１，ｋ２，ｋ３をｋ１＝ｊ－３３、ｋ２＝ｊ－２２、ｋ３＝ｊ－１により算出して（Ｓ３３）、ステップＳ３４に移行する。 If j ≦ 1 (S27: YES), the analysis processing unit 60a sets the address values k1, k2, and k3 of the photographic data read from the photographic image storage areas AR1 to AR3, respectively, as k1 = (j + 100) −33 = j + 67, k2. = (J + 100) −22 = j + 78, k3 = (j + 100) −1 = j + 99 (S30) If 1 <j ≦ 22 (S28: YES), the address values k1, k2, and k3 are k1 = j + 67. , K2 = j + 78, k3 = j−1 (S31), and if 22 <j ≦ 33 (S29: YES), the address values k1, k2, k3 are k1 = j + 67, k2 = j−22, k3 = J-1 (S32), if 33 <j (S29: NO), the address values k1, k2, and k3 are obtained by k1 = j-33, k2 = j-22, and k3 = j-1. Out (S33), the process proceeds to step S34.
　ステップＳ３４に移行すると、解析処理部６０ａは、撮影画像記憶領域ＡＲ１のアドレス値ｋ１、撮影画像記憶領域ＡＲ２のアドレス値ｋ２、撮影画像記憶領域ＡＲ３のアドレス値ｋ３、撮影画像記憶領域ＡＲ４のアドレス値ｊから撮影データを読み出し、それらの撮影データとステップＳ２６の検査結果を用いて図１６若しくは図１７に示す検査結果表示用の画像データを作成し、表示部６０ｈに表示する。 In step S34, the analysis processing unit 60a determines the address value k1 of the photographed image storage area AR1, the address value k2 of the photographed image storage area AR2, the address value k3 of the photographed image storage area AR3, and the address value of the photographed image storage area AR4. Image data is read out from j, image data for inspection result display shown in FIG. 16 or FIG. 17 is created using the image data and the inspection result in step S26, and displayed on the display unit 60h.
　続いて、解析処理部６０ａは、ステップＳ２６の検査結果が不良であるか否かを判定し（Ｓ３５）、不良であれば（Ｓ３５：ＹＥＳ）、撮影画像記憶部６０ｃの撮影画像記憶領域ＡＲ１～ＡＲ４の各アドレス値ｋ１，ｋ２，ｋ３，ｊに記憶されている撮影データと、ズレ量Ｅｘ，Ｅｙ及びこのズレ量Ｅｘ，Ｅｙを用いた検査結果を含むデータとを解析結果記憶部６０ｆに記憶し（Ｓ３６）、カウント値ｊを１だけ増加する（Ｓ３７）。 Subsequently, the analysis processing unit 60a determines whether or not the inspection result in step S26 is defective (S35), and if it is defective (S35: YES), the captured image storage area AR1 to AR of the captured image storage unit 60c. The imaging data stored in each address value k1, k2, k3, j of AR4 and the data including the displacement amounts Ex, Ey and the inspection results using the displacement amounts Ex, Ey are stored in the analysis result storage unit 60f. The count value j is increased by 1 (S37).
　続いて、解析処理部６０ａは、カウント値ｊが「１０１」になっているか否かを判別し（Ｓ３８）、ｊ＝１０１であれば（Ｓ３８：ＹＥＳ）、カウント値ｊから「１００」を引いた後（Ｓ３９）、レリーズ指令信号が入力されたか否かを判別し（Ｓ４０）、ｊ＝１０１でなければ（Ｓ３８：ＮＯ）、ステップＳ３９の処理をすることなくレリーズ指令信号が入力されたか否かを判別する（Ｓ４０）。そして、レリーズ指令信号が入力されると（Ｓ４０：ＹＥＳ）、ステップＳ２５に戻り、以下、解析処理部６０ａは、上述したステップＳ２５～Ｓ４０の処理を繰り返す。 Subsequently, the analysis processing unit 60a determines whether or not the count value j is “101” (S38). If j = 101 (S38: YES), “100” is subtracted from the count value j. After that (S39), it is determined whether or not a release command signal is input (S40). If j = 101 is not satisfied (S38: NO), whether or not the release command signal is input without performing the process of step S39. Is determined (S40). When the release command signal is input (S40: YES), the process returns to step S25, and thereafter the analysis processing unit 60a repeats the processes of steps S25 to S40 described above.
　なお、図２０Ａ、図２０Ｂに示すフローチャートは、第１カメラ６１の撮影位置に対する第２カメラ６２、第３カメラ６３及び第４カメラ６４の相対的な撮影位置がラベル装着部４におけるボトル数でそれぞれ「１本」、「２２本」、「３３本」の場合を例にしたものであるが、第１カメラ６１の撮影位置に対する第２カメラ６２、第３カメラ６３及び第４カメラ６４の相対的な撮影位置は任意に変更することができる。例えば、ボトルＢの受取姿勢に代えてラベルＬの開口状態を撮影し、ラベルＬの受取から開口までの工程での不良の発生要因を監視するようにしてよい。このように撮影位置を変更した場合は、それに応じてステップＳ２４、ステップＳ２７～Ｓ２９の判定閾値やステップＳ３０～Ｓ３３のアドレス値ｋ１～ｋ３の演算式が変化することは言うまでもない。 20A and 20B, the relative shooting positions of the second camera 62, the third camera 63, and the fourth camera 64 with respect to the shooting position of the first camera 61 are the numbers of bottles in the label mounting unit 4, respectively. The case of “1”, “22”, and “33” is taken as an example, but the second camera 62, the third camera 63, and the fourth camera 64 are relative to the shooting position of the first camera 61. The photographing position can be arbitrarily changed. For example, the opening state of the label L may be photographed instead of the receiving posture of the bottle B, and the cause of the defect in the process from receiving the label L to opening may be monitored. When the photographing position is changed in this way, it goes without saying that the judgment threshold values in steps S24 and S27 to S29 and the arithmetic expressions for the address values k1 to k3 in steps S30 to S33 change accordingly.
　すなわち、第１カメラ６１の撮影位置に対する第２カメラ６２、第３カメラ６３及び第４カメラ６４の相対的な撮影位置をラベル装着部４におけるボトル数でそれぞれ「ｘ本」、「ｙ本」、「ｚ本」とすると、ステップＳ２４の判定式は「ｊ＝ｚ＋１」となり、ステップＳ２７、Ｓ２８、Ｓ２９の各判定式は「ｊ≦ｘ」、「ｘ＜ｊ≦ｙ」と「ｙ＜ｊ≦ｚ」となる。 That is, the relative shooting positions of the second camera 62, the third camera 63, and the fourth camera 64 with respect to the shooting position of the first camera 61 are “x”, “y”, Assuming that “z”, the determination formula in step S24 is “j = z + 1”, and the determination formulas in steps S27, S28, and S29 are “j ≦ x”, “x <j ≦ y”, and “y <j ≦”. z ".
　また、アドレス値ｋ１の演算式はステップＳ３０、Ｓ３１，Ｓ３２ではｋ１＝（ｊ＋１００）－ｚ＝ｊ－ｚ＋１００となり、ステップＳ３３ではｋ１＝ｊ－ｚとなる。また、アドレス値ｋ２の演算式はステップＳ３０、Ｓ３１ではｋ２＝（ｊ＋１００）－ｙ＝ｊ－ｙ＋１００となり、ステップＳ３２、Ｓ３３ではｋ２＝ｊ－ｙとなる。また、アドレス値ｋ３の演算式はステップＳ３０ではｋ３＝（ｊ＋１００）－ｘ＝ｊ－ｘ＋１００となり、ステップＳ３１、Ｓ３２、Ｓ３３ではｋ２＝ｊ－ｘとなる。 Also, the arithmetic expression of the address value k1 is k1 = (j + 100) −z = j−z + 100 in steps S30, S31, and S32, and k1 = j−z in step S33. The arithmetic expression of the address value k2 is k2 = (j + 100) −y = j−y + 100 in steps S30 and S31, and k2 = j−y in steps S32 and S33. The arithmetic expression of the address value k3 is k3 = (j + 100) −x = j−x + 100 in step S30, and k2 = j−x in steps S31, S32, and S33.
　また、上記実施形態では、ラベル装着装置１がラベル装着処理をしている間は、不良になったラベル付きボトルＢに関連する４枚の撮影データとその検査結果のデータを解析結果記憶部６０ｆに記憶させるだけであったが、不良が連続する個数が所定の個数になると、ラベル装着装置１のメンテナンスが必要と判断して、表示部６０ｈの表示をメンテナンスの警告表示に切り換えるとともにアラーム音を出力して、作業者にその旨を報知するようにしてもよい。 Moreover, in the said embodiment, while the label mounting apparatus 1 is performing label mounting process, four imaging | photography data relevant to the bottle B with a label which became defective, and the data of the test result are analyzed result memory | storage part 60f. However, when the number of consecutive failures reaches a predetermined number, it is determined that maintenance of the label mounting apparatus 1 is necessary, and the display on the display unit 60h is switched to a maintenance warning display and an alarm sound is generated. You may make it output and notify an operator about that.
　また、上記実施形態では、ラベル装着装置１がラベル装着処理をしている間の表示部６０ｈへの表示は図１６若しくは図１７に示す４枚の撮影データの表示を瞬間的にするだけであるが、不良が発生すると、表示画面を４枚の撮影データの瞬時的な表示と不良が発生したラベル付きボトルＢのリスト表示の形態に切り替えるようにしてもよい。この表示形態では、作業者は４枚の撮影データの瞬時的な表示によりラベル装着処理が実行されていることを視認できるとともに、リスト表示によりラベル付きボトルＢの発生状況（発生頻度と発生時間の分布など）を把握することができ、作業者がメンテナンスの要否を容易に判断することができる。 Further, in the above embodiment, the display on the display unit 60h while the label mounting apparatus 1 is performing the label mounting process only instantaneously displays the four pieces of photographing data shown in FIG. 16 or FIG. However, when a defect occurs, the display screen may be switched between the instantaneous display of the four pieces of photographing data and the list display form of the bottle B with the label where the defect has occurred. In this display form, the operator can visually recognize that the label mounting process is being executed by instantaneous display of the four pieces of photographing data, and also the occurrence status (occurrence frequency and occurrence time of the bottle B with a label by the list display. Distribution, etc.) and the operator can easily determine whether maintenance is necessary.
　上記の複数種類の表示形態は、作業者が操作部６０ｇから表示モードの選択操作によって切り替えるようにしてもよく、ラベル装着の不良の発生状況に応じて自動的に切り替えさせるようにしてもよい。前者の場合は、作業者が操作部６０ｇから表示モードの選択操作があると、解析制御部６０ａは、解析結果記憶部６０ｆから解析結果とその解析結果に含まれる複数枚の撮影データとを読み出し、選択された表示モードに対応する所定のフォーマットでそれらの撮影データを一括表示するための画像データを生成し、表示部６０ｈに表示する処理を行なう。 The above-described plural types of display forms may be switched by the operator by selecting a display mode from the operation unit 60g, or may be automatically switched according to the occurrence state of the label mounting failure. In the former case, when the operator performs a display mode selection operation from the operation unit 60g, the analysis control unit 60a reads the analysis result and a plurality of pieces of imaging data included in the analysis result from the analysis result storage unit 60f. Then, processing for generating image data for collectively displaying the captured data in a predetermined format corresponding to the selected display mode and displaying the image data on the display unit 60h is performed.
　また、上記実施形態では、ラベル付きボトルＢの検査用撮影画像を用いてラベル装着の良否判定をするようにしていたが、第１カメラ６１、第２カメラ６２及び第４カメラ６４の各撮影画像を用いてそれぞれパターンマッチングにより検査を行い、いずれかの検査で不良が発生すると、その不良となったラベルＬ、ボトルＢ若しくはラベル付きボトルＢに関連する４枚の撮影データを解析結果記憶部６０ｆに保存させるようにしてもよい。この場合は、検査した全ての工程のパターンマッチングによるズレ量のデータが検査結果として解析結果記憶部６０ｆに保存される。 Moreover, in the said embodiment, the quality of label mounting was judged using the test | inspection picked-up image of the bottle B with a label, but each picked-up image of the 1st camera 61, the 2nd camera 62, and the 4th camera 64 was used. When a defect occurs in any of the inspections by using pattern matching, four pieces of photographing data related to the defective label L, bottle B, or labeled bottle B are analyzed result storage unit 60f. You may make it preserve | save. In this case, data on the amount of deviation due to pattern matching of all the inspected processes is stored in the analysis result storage unit 60f as the inspection result.
　また、この場合は、作業者は操作部６０ｇから、ラベル受取り、ボトル受取り、ラベル装着処理のどの工程で検査を行なわせるのかを選択できるようにするとよい。すなわち、ラベル装着装置１を稼動させる初期設定において、ラベル受取り、ボトル受取り及びラベル装着処理の各工程に対して「検査有り」と「検査無し」の選択画面を表示部６０ｈに表示させ、作業者に「検査有り」と「検査無し」のいずれかを選択させるようにするとよい。 Further, in this case, it is preferable that the operator can select the process of receiving the label, receiving the bottle, and attaching the label from the operation unit 60g. That is, in the initial setting for operating the label mounting apparatus 1, a selection screen of “with inspection” and “without inspection” is displayed on the display unit 60h for each process of label reception, bottle reception, and label mounting processing. It is recommended that the user select either “with inspection” or “without inspection”.
　以上のように、本実施形態に係るラベル装着装置１によれば、ラベル付きボトルＢの検査箇所をカメラで撮影し、その撮影画像を用いてラベル装着の良否を判定するだけでなく、不良と判定されたときには、検査用撮影画像とともにラベル装着装置１でそのラベル付きボトルＢを生産するためのラベルＬの受取工程やボトルＢの受取工程などの各工程の撮影画像やラベル付きボトルＢ全体の撮影画像を解析結果記憶部６０ｆに記憶するようにしているので、メンテナンス時に作業者が不良を解析するとき、不良の発生原因がどの工程で生じているのか、不良発生原因となる工程に対する不良の調整具合などを容易に把握することができる。 As described above, according to the label mounting apparatus 1 according to the present embodiment, the inspection location of the bottle B with a label is photographed with a camera, and not only the quality of label mounting is determined using the photographed image, but also defective. When the determination is made, the photographed image for each process such as the label L receiving process and the bottle B receiving process for producing the labeled bottle B by the label mounting apparatus 1 together with the inspection photographed image and the entire labeled bottle B are obtained. Since the photographed image is stored in the analysis result storage unit 60f, when an operator analyzes a defect at the time of maintenance, in which process the cause of occurrence of the defect is generated, the defect of the process that causes the defect is determined. The degree of adjustment can be easily grasped.
　また、解析処理部６０ａで、ラベルＬの受取姿勢やボトルＢの受取姿勢の良否をランク分けし、ラベル付きボトルＢの検査で不良と判定されたときに、ラベルＬ及びボトルＢの受取姿勢の具合が検査不良にどの程度影響したかを解析させるようにすれば、作業者の主観的な判断を排除し、より客観的かつ迅速に不良原因を究明することができる。 Further, the analysis processing unit 60a ranks the receiving posture of the label L and the receiving posture of the bottle B, and when the inspection of the bottle B with the label is determined to be defective, the receiving posture of the label L and the bottle B is determined. By analyzing how much the condition affects the inspection defect, it is possible to eliminate the subjective judgment of the worker and to investigate the cause of the defect more objectively and quickly.
　更に、解析処理部６０ａに解析結果に基づいて、ラベル装着装置１の稼動を停止させるか否かなどの安全対策（作業者へのアラームを含む）を制御することにより、稼動時に発生するラベル装着不良に対して適切な措置が講じやすくなる。 Furthermore, the label attachment that occurs during operation is controlled by controlling the safety measures (including alarm to the worker) such as whether or not to stop the operation of the label attachment device 1 based on the analysis result in the analysis processing unit 60a. It is easy to take appropriate measures against defects.

Claims (7)

  1. 　ラベルが連続的に印刷されたラベル基材をラベル切断位置に搬送し、前記ラベル基材から切り離すことによって前記ラベルを供給するラベル供給手段と、
    　前記ラベルを装着すべき複数の容器を搬送する容器搬送手段と、
    　前記ラベル切断位置で前記ラベル基材から前記ラベルが切り離される毎に当該ラベルを受け取り、前記容器の搬送経路上に設けられたラベル装着位置に搬送して当該ラベル装着位置に搬送された容器に装着するラベル装着手段と、
    　前記ラベル装着位置で前記容器に前記ラベルが装着される毎に当該容器に装着されたラベルを第１の撮影手段で撮影し、その撮影画像を用いて前記ラベルが装着された容器を検査する検査手段と、
    を備えたラベル装着システムにおいて、
    　前記ラベル供給手段による前記ラベルの供給工程、前記容器搬送手段による前記容器の搬送工程及び前記ラベル装着手段による前記容器への前記ラベルの装着工程の少なくとも１の工程に設けられ、当該工程内の所定の位置に搬送される前記ラベル又は前記容器を撮影する第２の撮影手段と、
    　前記第１の撮影手段及び前記第２の撮影手段で撮影された撮影画像を一時記憶する第１の記憶手段と、
    　前記検査手段により不良と判定された場合、その判定に用いた前記第１の撮影手段の撮影画像とその判定の対象となったラベル又は容器を撮影した前記第２の撮影手段の撮影画像を前記第１の記憶手段から第２の記憶手段に転送して不良解析用画像として保存する撮影画像保存制御手段と、
    を備えたことを特徴とする、ラベル装着装置。     A label supply means for feeding the label substrate by conveying the label substrate on which the label is continuously printed to a label cutting position and separating the label substrate from the label substrate;
    Container transport means for transporting a plurality of containers to which the label is to be attached;
    Each time the label is separated from the label base material at the label cutting position, the label is received, transported to the label mounting position provided on the transport path of the container, and mounted on the container transported to the label mounting position Label attaching means to perform,
    Each time the label is mounted on the container at the label mounting position, the label mounted on the container is photographed by the first photographing means, and the container loaded with the label is inspected using the photographed image. Means,
    In the label mounting system with
    Provided in at least one of the label supply process by the label supply means, the container transport process by the container transport means, and the label mounting process to the container by the label mounting means. A second photographing means for photographing the label or the container conveyed to the position;
    First storage means for temporarily storing a photographed image photographed by the first photographing means and the second photographing means;
    When it is determined as defective by the inspection unit, the captured image of the first imaging unit used for the determination and the captured image of the second imaging unit that captured the label or container that is the object of the determination are A captured image storage control unit that transfers the image from the first storage unit to the second storage unit and stores the image as a defect analysis image;
    A label mounting device comprising:
  2. 　前記第１の記憶手段は、前記第１の撮影手段及び前記第２の撮影手段で撮影された撮影画像を所定の枚数だけ記憶する記憶容量を有し、
    　前記第１の撮影手段及び前記第２の撮影手段で撮影が行なわれる毎にそれらの撮影画像を前記第１の記憶手段に記憶し、最新の撮影画像を前記所定の枚数分だけ一時的に記憶させる撮影画像記憶制御手段を更に備えたことを特徴とする、請求項１に記載のラベル装着装置。     The first storage means has a storage capacity for storing a predetermined number of images taken by the first imaging means and the second imaging means,
    Each time shooting is performed by the first shooting unit and the second shooting unit, those shot images are stored in the first storage unit, and the latest shot images are temporarily stored by the predetermined number. The label mounting apparatus according to claim 1, further comprising a photographed image storage control unit.
  3. 　前記検査手段の検査結果を表示手段に表示させるために作業者が操作する操作手段と、
    　前記作業者により前記操作手段が操作されると、前記第２の記憶手段に不良解析用画像として保存された第１及び第２の撮影手段の撮影画像を所定のフォーマットで前記表示手段に表示する画像表示制御手段と、
    を更に備えたことを特徴とする、請求項１又は２に記載のラベル装着装置。     Operation means operated by an operator to display the inspection result of the inspection means on the display means;
    When the operating means is operated by the operator, the captured images of the first and second imaging means stored as defect analysis images in the second storage means are displayed on the display means in a predetermined format. Image display control means;
    The label mounting apparatus according to claim 1, further comprising:
  4. 　前記第２の撮影手段の撮影画像を用いて前記ラベル又は前記容器の姿勢の良否を判定する判定手段を更に備えたことを特徴とする、請求項１又は２に記載のラベル装着装置。 The label mounting apparatus according to claim 1 or 2, further comprising a determination unit that determines whether the label or the posture of the container is good by using a photographed image of the second photographing unit.
  5. 　前記検査手段による検査結果が不良の場合、その検査結果と前記判定手段の判定結果に基づいて、前記ラベルの供給工程、前記容器の搬送工程及び前記ラベルの装着工程のいずれに不良の発生原因があるかを解析する解析手段を更に備えたことを特徴とする、請求項４に記載のラベル装着装置。 If the inspection result by the inspection means is defective, the cause of the failure is caused in any of the label supply process, the container transport process and the label mounting process based on the inspection result and the determination result of the determination means. The label mounting apparatus according to claim 4, further comprising analysis means for analyzing whether there is any.
  6. 　前記検査手段の検査結果を表示手段に表示させるために作業者が操作する操作手段と、
    　前記作業者により前記操作手段が操作されると、前記解析手段の解析結果とともに前記第２の記憶手段に不良解析用画像として保存された第１及び第２の撮影手段の撮影画像を所定のフォーマットで前記表示手段に一括表示する表示制御手段と、
    を更に備えたことを特徴とする、請求項５に記載のラベル装着装置。     Operation means operated by an operator to display the inspection result of the inspection means on the display means;
    When the operator operates the operation means, the captured images of the first and second imaging means stored as defect analysis images in the second storage means together with the analysis result of the analysis means are in a predetermined format. Display control means for collectively displaying on the display means,
    The label mounting apparatus according to claim 5, further comprising:
  7. 　前記検査手段による検査結果が不良の場合、その検査結果を報知する報知手段を更に備えたことを特徴とする、請求項１乃至６のいずれかに記載のラベル装着装置。 The label mounting device according to any one of claims 1 to 6, further comprising notification means for notifying the inspection result when the inspection result by the inspection means is defective.
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