WO2017138425A1 - ラベル貼付機及びストレッチ包装機 - Google Patents
ラベル貼付機及びストレッチ包装機 Download PDFInfo
- Publication number
- WO2017138425A1 WO2017138425A1 PCT/JP2017/003742 JP2017003742W WO2017138425A1 WO 2017138425 A1 WO2017138425 A1 WO 2017138425A1 JP 2017003742 W JP2017003742 W JP 2017003742W WO 2017138425 A1 WO2017138425 A1 WO 2017138425A1
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- WIPO (PCT)
- Prior art keywords
- label
- carrier
- product
- issued
- conveyor
- Prior art date
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Classifications
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- 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
- B65C9/26—Devices for applying labels
- B65C9/30—Rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C1/00—Labelling flat essentially-rigid surfaces
- B65C1/02—Affixing labels to one flat surface of articles, e.g. of packages, of flat bands
- B65C1/025—Affixing labels to one flat surface of articles, e.g. of packages, of flat bands the label being picked up by the article to be labelled, i.e. the labelling head remaining stationary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/008—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material by webs revolving around articles moved along the axis of revolution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C1/00—Labelling flat essentially-rigid surfaces
- B65C1/02—Affixing labels to one flat surface of articles, e.g. of packages, of flat bands
- B65C1/021—Affixing labels to one flat surface of articles, e.g. of packages, of flat bands the label being applied by movement of the labelling head towards the article
-
- 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
- B65C9/0065—Cutting tubular labels from a web
-
- 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
- B65C9/02—Devices for moving articles, e.g. containers, past labelling station
-
- 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
- B65C9/08—Label feeding
-
- 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
- B65C9/08—Label feeding
- B65C9/18—Label feeding from strips, e.g. from rolls
-
- 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
- B65C9/08—Label feeding
- B65C9/18—Label feeding from strips, e.g. from rolls
- B65C9/1803—Label feeding from strips, e.g. from rolls the labels being cut from a strip
-
- 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
- B65C9/26—Devices for applying labels
- B65C9/34—Flexible bands
-
- 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
- B65C9/42—Label feed control
-
- 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
- B65C9/46—Applying date marks, code marks, or the like, to the label during labelling
-
- 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
- B65C9/08—Label feeding
- B65C9/18—Label feeding from strips, e.g. from rolls
- B65C9/1803—Label feeding from strips, e.g. from rolls the labels being cut from a strip
- B65C9/1815—Label feeding from strips, e.g. from rolls the labels being cut from a strip and transferred by suction means
-
- 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
- B65C9/08—Label feeding
- B65C9/18—Label feeding from strips, e.g. from rolls
- B65C9/1865—Label feeding from strips, e.g. from rolls the labels adhering on a backing strip
- B65C9/1876—Label feeding from strips, e.g. from rolls the labels adhering on a backing strip and being transferred by suction means
Definitions
- This disclosure relates to a label applicator for attaching a label to the back of a packaged product, and a stretch wrapping machine equipped with the label applicator.
- the label sticking machine described in Patent Document 1 includes a conveyor 2 that conveys a product 1, a label holding unit 5 that holds a label 4 issued from a label printer 3, and the label holding unit 5. Is held by the label holding means 5 so that the label 4 conveyed by the label conveying means 6 and the product 1 are merged. And delivering means 7 for delivering the label 4 to the label conveying means 6.
- the label printer 3 used here issues the label 4 while peeling the label 4 from the mount 41 with the adhesive surface of the label 4 facing the label conveying means 6 side.
- the issued label 4 is held by label holding means 5 for sucking it.
- the solenoid 71 as the delivery means 7 is operated based on the label detection signal of a sensor (not shown), whereby the label 4 held by the label holding means 5 is moved to the solid line position.
- the held label 4 is delivered to the label conveying means 6.
- the delivered label 4 is conveyed upward in a state where the adhesive surface is attached to the string belt 61 of the label conveying means 6, thereby joining the product 1 being conveyed and being attached to the back surface thereof.
- the label length can be freely changed according to the printing amount. It can be said that it is preferable as a label to be affixed to the back of the product.
- the label sticking machine described in Patent Document 1 has a problem that a mountless label cannot be used.
- the label sheet 42 fed from the label printer 3 is held between a pair of rollers 8 and cut by a cutter 9, and the label 4 is held in that state. Therefore, when the label 4 is moved toward the label conveying means 6, the label 4 is obstructed by the roller 8 and cannot be delivered to the label conveying means 6.
- This disclosure is intended to solve these problems and provide a label applicator that can be used equally for a label with a mount or a label without a mount, and a stretch wrapping machine equipped with the label applicator.
- a label applicator is a label applicator that applies a label conveyed by a label carrier to the back surface of a product being conveyed, and holds the label with the adhesive surface facing outward And a pressing mechanism that presses the label carrier against the adhesive surface of the held label, by moving the label carrier disposed on the side facing the label holding unit toward the label holding unit, a label carrier, and And a controller that drives and controls the pressing mechanism to attach the label to the back surface of the product.
- the label carrier can be pressed against the adhesive surface of the label, and the label 4 can be moved as it is in the direction in which the label is issued. From this, even if it is a label with a mount or a label without a mount, the label can be equally attached to the back surface of the product.
- control unit controls the drive of the label carrier and the pressing mechanism, and keeps the label carrier away from the label holding unit while the label is issued.
- the label carrier may be pressed against the adhesive surface of the held label.
- the control unit drives and controls the label carrier and the pressing mechanism, and the label carrier is separated from the label holding unit while the label is issued.
- the label carrier may be stopped after pressing the label carrier against the adhesive surface of the issued label. Thereby, it can suppress that the curled label front-end
- a label applicator includes a remaining amount detection unit for a label roll mounted on a label printer, and if the detected remaining amount is equal to or less than a predetermined value, the control unit presses against the label carrier. While the label is issued by controlling the drive of the mechanism, the label carrier is run with the label carrier being separated from the label holding unit. The label carrier may be stopped after the label carrier is pressed against the surface. Thereby, it can suppress that the curled label front-end
- the control unit drives and controls the label carrier and the pressing mechanism, and the label is issued.
- the label carrier is moved upward with the label carrier separated from the label holding unit.
- the label carrier is pressed against the adhesive surface of the issued label, and then the label is conveyed. You may stop your body. Thereby, it can suppress that the curled label front-end
- the label printer that issues the label may include a cutter that cuts the label sheet with a length corresponding to the printing amount.
- the conventional pair of rollers 8 (see FIG. 15) is not necessary.
- control unit may control the pressing mechanism and press the label carrier against the adhesive surface of the label sheet to be cut before cutting the label sheet. As a result, the label cut off from the label sheet is held by being attached to the label carrier without causing positional displacement.
- a label applicator includes a label sensor that detects a label conveyed by a label conveyance body, and a control unit drives and controls the label conveyance body and a pressing mechanism to label the label conveyance body.
- the label carrier may be run until the label is detected by the label sensor after being pressed against the adhesive surface. Thereby, even if the label issuing direction length changes variously, those label front-end
- a labeling machine includes a conveyor that conveys a product and a product detection sensor that detects the product, and when the control unit receives a detection signal from the product detection sensor, the label transporter moves upward. You may make it run. As a result, when the product to be transported reaches the detection position of the product detection sensor, the label that has been waiting at the predetermined position is sent out and attached to the back of the product. A label can be attached to a predetermined position on the back surface.
- a stretch wrapping machine includes a carry-out conveyor that feeds a packaged product to a conveyor, and the label sticking machine, and the carry-out conveyor and the conveyor of the label sticker are connected via a power transmission mechanism. It is connected.
- a label applicator that can be used equally for a label with a mount or a label without a mount, and a stretch wrapping machine equipped with the label applicator.
- FIG. 1 is a conceptual diagram showing a configuration of a label applicator according to an embodiment when a label with label mount is used.
- FIG. 2 is a conceptual diagram showing a configuration of a label sticking machine according to an embodiment when a mountless label is used.
- FIG. 3 is a front view showing a stretch wrapping machine according to an embodiment.
- FIG. 4 is a plan view showing the label applicator side of the stretch wrapping machine of FIG.
- FIG. 5 is a schematic side view showing the configuration of the label applicator according to one embodiment.
- FIG. 6 is a schematic side view showing a configuration of a drive system in the label sticking machine of FIG.
- FIG. 7 is an enlarged side view showing a part of FIG. FIG.
- FIG. 8 is a schematic plan view showing a label carrier and a label holding unit in the label sticking machine of FIG.
- FIG. 9 is a side view showing the main part of the printing part of the label printer in the label sticking machine of FIG.
- FIG. 10 is a side view showing a state in which the printing unit is opened when the label sheet is mounted in the label sticking machine of FIG.
- FIG. 11 is a schematic side view showing a pressing mechanism in the label sticking machine of FIG.
- FIG. 12 is a block diagram illustrating a configuration of a control system of the label applicator according to the embodiment.
- FIG. 13 is a timing chart showing operation control of the control system of FIG.
- FIG. 14 is an explanatory diagram of a configuration of a conventional apparatus using a label with a mount.
- FIG. 15 is an explanatory diagram of a configuration of a conventional apparatus using a mountless label.
- FIGS. 1 and 2 are conceptual diagrams showing the configuration of a label applicator according to an embodiment.
- the label sticking machine 100 is arranged on the side facing the label holding unit 110 and the label holding unit 110 that sucks the label 4 issued from the label printer 3 with its adhesive surface facing outward.
- the pressing mechanism 130 that presses the label carrier 121 against the adhesive surface of the held label 4
- the label carrier 121 with the label 4 attached thereto are the products 1.
- a control unit 140 that controls the operations of the label transport body 121 and the pressing mechanism 130 of the transport unit 120 to attach the label 4 to the back surface of the product 1. .
- the label holding unit 110 is composed of a negative pressure chamber 112 provided with a plurality of suction ports 111 on one side surface, and sucks and holds the labels 4 issued by these suction ports 111. Therefore, the atmospheric pressure in the negative pressure chamber 112 is such that the label 4 sucked into the suction port 111 can be slid along the suction port 111 without falling with the adhesive surface facing outward. Is set to Alternatively, the issued label 4 may be pressed against the label holding unit 110 with wind pressure by applying wind toward the label holding unit 110.
- the transport unit 120 transports the label transport body 121 to which the label 4 is attached toward the back surface of the product 1.
- the label conveyance body 121 is comprised by the several string belt 124 which circulates between a pair of upper and lower pulleys 122,123.
- the label transporting body 121 can be configured with a transporting body that allows the label 4 to be easily peeled off in a direction orthogonal to the transporting direction.
- the conveyance unit 120 and the label holding unit 110 are arranged so as to be close to each other at the upper end portion and away from the lower end portion.
- the arrangement is not limited to this, and both are arranged in parallel.
- position may be sufficient.
- the pressing mechanism 130 is a mechanism that presses the label transport body 121 against the adhesive surface of the label 4 held by the label holding unit 110 by moving the transport unit 120 close to and away from the label holding unit 110.
- the lower pulley 123 is swung around the horizontal rotation axis of the upper pulley 122, thereby rotating the string belt 124 toward the label holding unit 110 in the direction of the arrow. (See FIG. 1).
- it is not limited to this configuration, and instead of this, for example, a configuration in which the label holding unit 110 and the transport unit 120 are arranged in parallel and the entire transport unit 120 is translated toward the label holding unit 110 may be used. good.
- the control unit 140 controls the operation timing of the transport unit 120 and the pressing mechanism 130 to separate the label transport body 121 from the label holding unit 110 while the label 4 is issued. Control which presses the conveyance body 121 to the label adhesive surface hold
- the control unit 140 operates the pressing mechanism 130 to press the string belt 124 as the label carrier 121 against the adhesive surface of the label 4. Then, the label 4 is attached to the string belt 124. In this state, the control unit 140 rotates the pulleys 122 and 123 to cause the string belt 124 to travel in the direction of the arrow when the product 1 being conveyed reaches the label 4 attachment position.
- the label 4 conveyed by the cord belt 124 pops out from the product conveyance surface, the back surface of the product 1 appears there, and the label 4 is attached thereto. More specifically, when the strap belt 124 makes a U-turn with the upper pulley 122, the label 4 pops upward while being peeled off from the strap belt 124, and the back surface of the product 1 being conveyed appears and the label 4 is attached. It is attached.
- the label carrier 121 is pressed against the adhesive surface of the label 4, and the label 4 is lifted as it is in the state in which the label 4 is issued.
- the label 4 can be equally attached to the back surface of the product 1.
- this type of label 4 since this type of label 4 is wound around a paper tube with the adhesive surface facing inward, the label 4 to be issued has a curl that curls with the adhesive surface facing inward. For this reason, when the label 4 is issued from the label printer 3, as shown in FIG. 2, the leading end of the label 4 may float without being sucked into the suction port 111. When the label carrier 121 is pressed against the label 4 in this state, the curled label leading end may be folded with the adhesive surface inside. In this case, the label 4 that has been normally issued becomes a defective label. When the defective label is attached to the product 1, the normal product 1 is also handled as a defective product.
- control unit 140 drives and controls the pressing mechanism 130 and the label conveyance body 121 so that the label conveyance body 121 is separated from the label holding unit 110 while the label 4 is issued.
- the label carrier 121 is pressed against the adhesive surface of the issued label 4 and then the label carrier 121 is stopped.
- the control unit 140 causes the label carrier 121 (string belt 124) to travel in the direction of the arrow while being separated from the label holding unit 110.
- the front end portion is tilted in the label issuing direction, so that the curled label front end portion is attracted to the suction port 111.
- the label carrier 121 traveling in the direction of the arrow pushes the curled tip toward the suction port 111 and adheres to the adhesive surface of the label 4. approach. Therefore, even the label 4 with strong curl sticks to the label carrier 121 without the tip portion being folded inward, so that the label 4 with strong curl can be corrected.
- the curl is not a problem because the issued label 4 is less warped. Since the warpage increases, the curled tip may not be adsorbed by the suction port 111 in some cases.
- the label sticking machine 100 includes a remaining amount detection unit 150 for the label roll attached to the label printer 3, and when the detected remaining amount becomes a predetermined value or less, the control unit 140 detects the label 4. Is issued, and the pressing mechanism 130 and the label carrier 121 are driven and controlled so that the label carrier 121 travels upward in a state of being separated from the label holding unit 110. After the label carrier 121 is pressed against the pressure-sensitive adhesive surface of the label 4, the label carrier 121 is controlled to stop.
- the rotation speed of the label roll increases as the roll diameter decreases, so that the remaining amount is detected by a sensor that detects the rotation speed of the label roll when the label is issued.
- the detection unit 150 can be configured. In this case, if the detected rotational speed is equal to or higher than a predetermined value, it is determined that the remaining amount of the label roll is equal to or lower than the predetermined value.
- the remaining amount detection unit 150 may be configured by providing a proximity sensor for detecting the position at the outermost peripheral position of the label roll where the remaining amount is equal to or less than a predetermined value. When adopting such a configuration, it is necessary to test in advance how much remaining amount the curled tip part can be folded, and a roll diameter slightly larger than the roll diameter that may be folded is set as described above. It is set as a predetermined value.
- the control unit 140 controls the driving of the pressing mechanism 130 and the label conveying body 121 while the label 4 is issued so that the label conveying body 121 is labeled.
- the label carrier 121 is stopped after the label carrier 121 is pressed against the label adhesive surface when the label is issued after traveling upward while being separated from the holding unit 110.
- the label issuing direction length is, for example, the feed amount for one label. This can be obtained when the label printer 3 develops print information as two-dimensional image data. Therefore, how much the feed amount is shortened is obtained in advance by a test operation to determine whether the above-described control is necessary, and is registered as a predetermined value.
- Curling due to curling occurs in both the case of the label with the mount and the case of the label without the mount. Therefore, the above control is performed in both the case of the label with the mount in FIG. 1 and the case of the label without the mount in FIG. The same can be applied.
- the mountless label of FIG. 2 when the issued label 4 is cut by the cutter 90, it is necessary to hold the label 4 that is separated from the label roll. If not held, the label 4 cannot be cut at a normal boundary when the label is cut, or the cut label 4 is displaced.
- the controller 140 controls the pressing mechanism 130 to press the label carrier 121 against the adhesive surface of the issued label sheet 42 before cutting the label sheet 42. I will leave it. Thereby, the label 4 can be cut off by an appropriate line.
- the leading end of the label issued from the label printer 3 is held by the label holding unit 110, but the trailing edge remains at the peeling position of the peeling plate 33 in FIG. 1 or the cutting position of the cutter 90 in FIG. Therefore, if it is kept there, the tip portion of the issued label 4 takes various height positions depending on the length of the label in the issuing direction. Then, since the conveyance distance until the label leading edge reaches the back surface of the product 1 is different, the feed control for applying the label leading edge to the back surface of the product 1 must be changed according to the length of the label 4 in the issuing direction. There is annoying trouble.
- label sensors 43 and 44 for detecting the label 4 are provided at predetermined positions on the transport path of the label transport body 121, and the control unit 140, after pressing the label transport body 121 against the adhesive surface of the label 4, The label carrier 121 is raised until the leading end of the label 4 is detected by 43 and 44. Thereby, even if the label issuing direction length changes variously, those label front-end
- a photoelectric sensor that detects the arrival of the label by irradiating light with the label can be used.
- This sensor is placed at a predetermined position in the label conveyance path slightly below the position where the product 1 and the label 4 merge, that is, at a position where the irradiated light is blocked by the conveyed label 4 as shown in FIGS.
- a light projector and a light receiver are provided, and the label sensors 43 and 44 are configured by these. After the label carrier 121 is pressed against the adhesive surface of the label 4, the label carrier 121 is raised, and when the label leading edge is detected by the label sensors 43 and 44, the label 4 is stopped at that position. I will leave it.
- the label applicator 100 includes a conveyor 200 that conveys the product 1 and a product detection sensor 400 that detects the product 1 being conveyed.
- the control unit 140 receives a product detection signal from the product detection sensor 400, the label transporter 100 The body 121 is caused to travel upward.
- the label 4 that has been waiting at the predetermined position is sent out and pasted on the back surface of the product 1, so the length of the product 1 in the transport direction changes. Even so, the label 4 can be affixed to a predetermined position on the back of the product.
- the stretch wrapping machine includes a carry-out conveyor for sending the packaged product 1 to the conveyor 200, and the carry-out conveyor and the conveyor 200 are connected via a power transmission mechanism 212 described later.
- a carry-out conveyor for sending the packaged product 1 to the conveyor 200
- the carry-out conveyor and the conveyor 200 are connected via a power transmission mechanism 212 described later.
- the label carrier 121 moves to the label holding unit 110 and carries the held label 4 in the label issuing direction. Even a less label can be applied to the back surface of the product 1 as it is without disturbing the posture of the issued label 4.
- a label with a curl with a curled tip can be attached to the label carrier 121 while pushing down the curled tip in the label issuing direction, so that the curled label tip can be folded. Without it, it can always be attached to the product 1 as a normal label 4.
- the label 4 that has been waiting at a predetermined position is lifted and applied to the back surface of the product 1. Even if the lengths in the issuing direction are variously different, the label 4 can be repeatedly pasted at a predetermined position on the back of the product.
- the conveyor for sending the packaged product 1 to the labeling machine 100 and the conveyor 200 of the labeling machine 100 can be operated synchronously at the same speed.
- the sticking control becomes easy, and even if a trouble occurs in the downstream label sticking machine 100, the trouble can be dealt with by suspending the operation of the upstream packaging machine.
- a stretch wrapping machine 1000 includes an upper unit 1100, a lower unit 1200, and a control unit 1300.
- the upper unit 1100 incorporates a label printer (not shown) that issues a price label and a label applicator (not shown) that applies the price label to the upper surface of the packaged product 1 (product 1).
- the lower unit 1200 includes a packaging machine main body 1201 that wraps the unwrapped product 10 (unwrapped product 10) stored in a tray or the like with a stretch film, and a back surface of the packaged product 1 that is disposed on the side and packaged. A label sticking machine 100 for sticking the label 4 is incorporated.
- the control unit 1300 controls each of these units 1100 and 1200.
- the control unit 1300 includes the control unit 140, the remaining amount detection unit 150, and the operation display unit 1301 shown in FIGS.
- the packaging machine main body 1201 is provided with a carry-in conveyor 1202 for carrying the product 10 before packaging into the inside on the side facing the worker 11 in FIG.
- the conveyor 1202 incorporates a weighing machine 1203 that measures the mass of the product 10 before packaging and outputs it to the operation display unit 1301.
- the carry-in conveyor 1202 is operated, and the product 10 placed thereon is carried into the packaging machine main body 1201.
- the pre-packaging product 10 placed on the weighing machine 1203 is a perishable food product stored in a tray or a processed food such as a side dish or a lunch box. Therefore, the price label affixed to the upper surface of the packaged product 1 is printed with the product name, weight, price, etc.
- the label 4 affixed to the back of the product 1 uses the raw materials and additives used. Is printed.
- a well-known lift mechanism, film transport mechanism, film holding mechanism, and film folding mechanism (not shown) are provided.
- the unwrapped product 10 carried into the inside by the carry-in conveyor 1202 is pushed up from below by the lift mechanism toward the film stretched horizontally by the film transport mechanism and the film holding mechanism.
- the pushed-up product 10 pushes it up while stretching the film, and the peripheral portion of the film thus formed into a mountain shape is folded into the back surface of the product 10 by the film folding mechanism.
- the product 1 packaged in this way is discharged to a front carry-out conveyor 1204 through a heater conveyor (not shown).
- the carry-out conveyor 1204 is disposed above the carry-in conveyor 1202 in a direction orthogonal thereto. Downstream of the carry-out conveyor 1204, a conveyor 200 that forms part of the label sticking machine 100 and a stock conveyor 500 that temporarily stocks the commodity 1 with the label attached thereto are connected.
- the carry-out conveyor 1204 and the conveyor 200 of the label sticking machine 100 are connected via the power transmission mechanism 212 of FIG. 6 so that they are operated synchronously at the same speed. Further, the commodity 1 stocked on the stock conveyor 500 is transferred to a wagon or the like (not shown) by the worker 11 or another worker 12 and is conveyed to the display zone in the store.
- the label sticking machine 100 includes a conveyor 200 that conveys the product 1 sent from the carry-out conveyor 1204, a label printer 300 disposed below the conveyor 200, and a label 4 issued from the label printer 300.
- Label holding part 110 that holds the adhesive surface facing outward
- a pressing mechanism 130 that presses the label carrier 121 against the adhesive surface of the held label 4
- label transport with the label 4 attached The conveyance part 120 which conveys the body 121 toward the goods 1 and the control part 140 which drive-controls the label conveyance body 121 and the pressing mechanism 130 are provided.
- the conveyor 200 has a plurality of rollers 201 arranged in parallel and rotatably attached to a frame 202.
- Each roller 201 is formed by passing a stainless steel shaft through an aluminum tube whose surface is blasted.
- an opening 203 that exposes the upper end of the conveyance unit 120 is formed in the middle of the conveyor 200, and a roller 204 that fills a part of the opening 203 is formed to be shorter than the other rollers 201.
- a small-diameter driving roller portion 206 that rotates in contact with the driving belt 205 is coaxially formed at one end of each of the rollers 201 and 204.
- the drive belt 205 is located below the drive roller portion 206 of each roller 201, and includes a plurality of free rollers 207 and a main drive roller 208 disposed between adjacent drive roller portions 206. And circulates in the direction of the arrow. Further, the conveyor 200 is detachable from above with respect to the main body frame 1210 of the label sticking machine 100. If each driving roller portion 206 is placed on the driving belt 205, as shown in FIGS. The driving belt 205 is brought into close contact with the free roller 207 and the driving roller unit 206 by the weight of each roller 201, and a rotational force in the direction of the arrow is applied to each driving roller unit 206. In addition, a constant tension is applied to the drive belt 205 by a tension roller 209 biased by a spring, so that the drive belt 205 maintains a constant tension and applies a rotational force to each drive roller unit 206. Has been granted.
- the main drive roller 208 is attached to one end portion of the rotating shaft 210 parallel to each roller 201, and a gear meshing with the idle gear 211 is attached to the opposite end portion. Therefore, the idle gear 211 is disposed in the space 212S on the side opposite to the drive roller portion 206 in FIG. The idle gear 211 meshes with the drive gear 213 via the second idle gear 212, and a timing pulley 214 is attached to the rotation shaft of the drive gear 213.
- a timing belt 218 is wound around the timing pulley 214 and the driving pulley 216 attached to the rotating shaft of the lower motor 215 via three guide rollers 217.
- the three guide rollers 217 are attached to a movable plate 1211 that is movable with respect to the main body frame 1210. When the movable plate 1211 is moved, the relative position of the motor 215 with respect to the drive pulley 216 is changed. The tension is applied to the timing belt 218.
- the second idle gear 212 meshes with the gear 220 that drives the carry-out conveyor 1204 described above. Therefore, the second idle gear 212 is a power transmission mechanism 212 that transmits the rotational force of the conveyor 200 to the carry-out conveyor 1204.
- the gear ratios of the gears 211, 213, and 220 are set so that the transport speed of the carry-out conveyor 1204 and the transport speed of the conveyor 200 are the same.
- the conveyor 200 of FIGS. 6 and 7 has a driving roller unit 206 mounted on a driving belt 205, but a gear is attached instead of each driving roller unit 206, and an idle gear is provided between these gears.
- the rollers 201 and 204 may be configured to rotate with the meshing of the gears. However, it is easier to attach and detach the conveyor belt 205 from above the conveyor 200.
- a product detection sensor 400 that detects the product 1 being conveyed is provided above the carry-in port of the conveyor 200.
- the product detection sensor 400 is a proximity sensor that detects the product 1 in a non-contact manner.
- the label printer 300 of FIG. 5 uses a so-called mountless label.
- the label printer 300 includes a mounting unit 302 on which a label roll 301 is mounted, a printing unit 304 that prints predetermined items on a label sheet 303 that is fed out from the label roll 301, and a printed label sheet 303 that is cut at a predetermined length.
- a cutter unit 305 has a well-known configuration, and includes a pair of cutters 90 shown in FIGS. 1 and 2, a crank mechanism (not shown) that linearly reciprocates one of the cutters 90, and a rotary solenoid that rotates the cutter. Has been.
- the printing unit 304 includes a printing head 310 and a platen roller 330, and the printing head 310 is attached to a connector unit 311 of a four-bar rotation mechanism.
- the four-bar rotation mechanism includes two fixed shafts 312 and 313, two levers 314 and 315 swinging around the fixed shafts 312 and 313, and the connector portion connected between the levers 314 and 315. 311.
- the levers 314 and 315 are biased clockwise by torsion coil springs 316 and 317. When the levers 314 and 315 are used, the levers 314 and 315 are rotated in the clockwise direction by keeping the stick rod 318 horizontal.
- the print head 310 is pressed against the platen roller 330. Further, when the label sheet 303 is passed between the print head 310 and the platen roller 330, the levers 314 and 315 are moved to FIG. 10 by the elastic force of the torsion coil springs 316 and 317 if the stick rod 318 is rotated downward. As shown in the figure, the sheet is rotated clockwise, and a gap is formed between the print head 310 and the platen roller 330 so that the label sheet 303 can be inserted therewith.
- the platen roller 330 is connected by a lower assist roller 331 and a timing belt 332 as shown in FIG.
- the assist roller 331 is connected to the rotating shaft of the stepping motor 333 via a timing belt 334. As the stepping motor 333 rotates, the platen roller 330 advances by one dot line.
- an L-shaped bracket 319 is rotatably attached to the fixed shaft 313, and an auxiliary roller 320 is attached to the vertical portion of the bracket 319 so as to face the assist roller 331.
- the auxiliary roller 320 presses the label sheet 303 against the assist roller 331.
- the triangular plate 321 attached to the lever 314 in FIG. 9 presses the head of the bracket 319 in the direction of the arrow.
- the roller 320 is pressed against the assist roller 331.
- the assist roller 331 is rotated by the rotation of the stepping motor 333 in FIG. 5, the label sheet 303 pressed by the auxiliary roller 320 is fed out from the label roll 301.
- the bearing bracket 322 of FIG. 10 that supports the auxiliary roller 320 is attached to the L-shaped bracket 319 via a coil spring 323 so as to approach and separate from each other.
- the label printer 300 is mounted with a mountless label. At this time, the label printer 300 is mounted on the mounting portion 302 so that the adhesive surface of the label sheet 303 is in contact with the platen roller 330. Therefore, as shown in FIGS. 9 and 10, guide plates 340 and 341 having upper end portions close to each other are provided on the upper portions of the print head 310 and the platen roller 330, respectively. Thereby, the fed-out label 4 is guided vertically upward. Further, the guide plate 340 on the side in contact with the label adhesive surface is formed in a comb shape so that the label adhesive surface does not adhere thereto.
- the label sticking machine 100 includes a label holding unit 110 that holds the label 4 issued from the label printer 300 with its adhesive surface facing outward, and a label carrier on the adhesive surface of the held label. Based on detection signals from the pressing mechanism 130 that presses the 121, the transport unit 120 that transports the label transport body 121 with the label 4 attached thereto toward the back surface of the product 1, the label printer 300, and the label sensors 43 and 44, And a later-described control unit 140 (see FIG. 12) that drives and controls the label carrier 121 and the pressing mechanism 130.
- the label holding unit 110 includes a negative pressure chamber 112, a label holding body 113 provided on the opposite side of the transport unit 120, and an exhaust fan 114 that depressurizes the negative pressure chamber 112.
- the label holding body 113 includes a sled 115 (see FIG. 11) extending along a string belt 124 that is a label conveying body 121, and a connecting portion 116 that bridges adjacent sleds 115. A region surrounded by the connecting portion 116 is a suction port 111. Then, the label 4 issued from the label printer 300 rises while being sucked by the suction port 111.
- the connecting portion 116 is 115 is provided at a position one step lower than the label sliding surface. Further, if the exhaust amount of the exhaust fan 114 is too strong, the label 4 cannot slide over the sled 115, so the negative pressure in the negative pressure chamber 112 is reduced to such an extent that the tip of the label 4 does not sag. Yes.
- a blower 117 that blows air toward the leading end portion of the label 4 that is fed out is provided on the back side of the conveyance unit 120 on the side facing the label holding body 113 in order to prevent the issued label leading end portion from sagging. It has been.
- the label holder 113 is fixed to a T-shaped bracket 118, and the bracket 118 is rotatably attached to the apparatus frame via a hinge 118a extending in a direction orthogonal to the paper surface.
- a coil spring 119 is attached between the horizontal end of the bracket 118 and the apparatus frame to rotate the label holder 113 counterclockwise around the hinge 118a. If a label is jammed between the strap belt 124 and a finger is put between them, the label holding body 113 rotates clockwise around the hinge 118a, thereby holding the label belt 124 and the label holding portion.
- the label sandwiched between the body 113 can be taken out with a finger. Therefore, a notch 99 for avoiding interference with the swinging label holder 113 is provided in the ceiling portion of the negative pressure chamber 112.
- the conveyance unit 120 that conveys the label conveyance body 121 is inserted into the side frames 125, the upper and lower rotary shafts 126 that are spanned between the side frames 125, and the rotary shafts 126.
- the drive gear 50 of FIGS. 6 and 8 fixed to the upper rotating shaft 126 to a power transmission mechanism to be described later, the upper rotating shaft 126 and the pulley 122 rotate, and each pulley 122,
- a string belt 124 circulates between the 123 and 123.
- the upper rotating shaft 126 faces the opening 203 formed in the conveyor 200, and the upper end of the cord belt 124 attached thereto is attached to a position slightly lower than the upper ends of the two adjacent rollers 201. Further, a peeling roller 129 for peeling the label 4 from the string belt 124 is attached between the upper pulleys 122 arranged in parallel. Furthermore, label sensors 43 and 44 are provided at a position above the transport unit 120 where the inside of the negative pressure chamber 112 can be seen from the suction port 111.
- One label sensor 44 is constituted by the label sensor 44 as a light receiver shown in FIGS. 1 and 2, and a light projector is provided in the negative pressure chamber 112 facing the label sensor 44. In FIG. 8, only the label sensor 44 as a light receiver is shown, but this may be a projector. In that case, the inside of the negative pressure chamber 112 becomes a light receiver.
- FIG. 6 and FIG. 7 show a power transmission mechanism that meshes with the drive gear 50 of FIG. 8 and rotates it.
- an idle gear 51 that meshes with the drive gear 50 and a drive gear 52 that meshes with the idle gear 51 and rotates the idle gear 51 are provided below the drive gear 50.
- a pulley 53 is coaxially fixed to the rotation shaft of the drive gear 52, and a timing belt 56 is hung between the pulley 53 and the pulley 55 fixed to the rotation shaft of the motor 54.
- the motor 54 rotates, the coaxial drive gear 52 rotates through the timing belt 56 and the pulley 53, and along with the rotation, the drive gear 50 and the upper pulley 122 move through the idle gear 51.
- the rotary shaft 126 rotates at the same time.
- the pressing mechanism 130 includes a pin 131 attached to the side frame 125 of the transport unit 120, a lever 132 having one end sandwiching the pin 131 and the other end rotatably attached to the apparatus frame, and movable An iron core is pin-coupled to the lever 132 and is composed of an electromagnetic solenoid 133 that swings the lever 132.
- a coil spring 134 is provided between the side frame 125 and a device frame (not shown) to draw the side frame 125 clockwise, and the device frame further includes a side frame 125.
- a first stopper 135 that restricts further clockwise rotation of the first stopper 135 is provided.
- FIG. 12 is a block diagram showing the configuration of the control system of the label sticking machine 100.
- the control unit 140 is configured by a computer, and controls the drive of the label carrier 121 and the pressing mechanism 130 by executing a program stored in a built-in memory. Further, a lift activation signal is sent from the stretch wrapping machine 1000, a label length data and a print completion signal are sent from the label printer 300, and the product detection sensor 400 indicates that the product 1 being conveyed has reached a predetermined position. Signals for notifying that the label sensors 43 and 44 notify that the label 4 conveyed by the label carrier 121 has reached a predetermined position are respectively input to the control unit 140.
- the carry-in conveyor 1202 When a weighing completion signal is input from the weighing machine 1203 to the stretch wrapping machine 1000, the carry-in conveyor 1202 is activated, and the unwrapped product 10 placed on the weighing machine 1203 is conveyed to the lift mechanism and stopped. Subsequently, the next unwrapped product 10 is placed on the weighing machine 1203, and when the weighing is completed, the lift mechanism is activated, the product 10 remaining there is lifted, and the series of packaging operations described above is performed. Is called.
- the controller 140 controls the drive of the label carrier 121 and the pressing mechanism 130 based on the timing chart of FIG. 13 starting from the lift activation. It is assumed that the label-less printer 300 is mounted with a mountless label, and immediately after the start, the label carrier 121 is separated from the label holding unit 110, and the exhaust fan 114 and the blower 117 are operating.
- the label printer 300 prints predetermined items on the label sheet 303 while conveying the label sheet 303 from that point. Then, at time T1 when the label sheet 303 fed out from the guide plates 340 and 341 passes through the cutter unit 305 and the leading end is sucked by the label holder 113, the control unit 140 causes the string belt 124 to travel. At that time, since the traveling strap belt 124 is located away from the label holder 113, when the leading end of the label is drawn out while hanging down, the suspended tip hits the strap belt 124 and falls to the label holder 113 side. While rising. As a result, the sagging label tip rises while being adsorbed by the label holder 113.
- the label printer 300 stops the stepping motor 333, and then outputs a print completion signal to the control unit 140.
- the electromagnetic solenoid 133 of the pressing mechanism 130 is operated to move the string belt 124 toward the label holding unit 110, and the running of the string belt 124 is slightly delayed. Stop. As a result, the label sheet 303 held by the label holding unit 110 sticks to the string belt 124.
- the control unit 140 drives the cutter unit 305 at time T3 when the string belt 124 is in close contact with the label holding body 113 and holds the label 4 completely.
- the label sheet 303 is cut to form the label 4 having a predetermined length.
- the control unit 140 causes the string belt 124 to travel again at time T4 when the label sheet 303 is completely cut.
- the label printer 300 reversely feeds the label sheet 303 at time T4 when the label 4 is separated from the label sheet 303, and returns the leading end portion of the overrun label sheet 303 to the print start position.
- the control unit 140 stops the running of the cord belt 124.
- the leading end of the label attached to the strap belt 124 is detected by the label sensors 43 and 44, that is, between the label sensor 43 as the light projector and the label sensor 44 as the light receiver in FIGS. Stop at.
- the packaged product 1 is sent from the carry-out conveyor 1204 to the conveyor 200.
- the product detection sensor 400 detects the product 1 and outputs a detection signal to the control unit 140.
- the control part 140 makes a timer work from the time T6, and makes the string belt 124 run at the time T7 when the tip of the product 1 reaches the opening 203 of the conveyor 200.
- the label 4 waiting immediately below the opening 203 jumps upward from obliquely downward, when the product 1 joins there, the label 4 is attached to the back surface of the product 1.
- the electromagnetic solenoid 133 of the pressing mechanism 130 is stopped at the timing T8 when the label leading end reaches the back surface of the product 1, and the string belt 124 is floated from the label holding body 113. I am doing so.
- the cord belt 124 is caused to run from the label holding body 113 from an early stage before the end of issuing one label. This is in order to prevent the tip of the thin label or the label with the curl from hanging down.
- the exhaust fan 114 and the blower 117 are used. There are cases where dripping of the tip part can be prevented by the wind power. In such a case, the advance traveling of the cord belt 124 from time T1 in FIG. 13 may be stopped.
- the above-described remaining amount detecting unit 150 is provided. If the detected remaining amount is equal to or less than a predetermined value, the control unit 140 issues the label issuance. During this time, the pressing mechanism 130 and the label carrier 121 are driven and controlled so that the label carrier 121 (string belt 124) is lifted from the label holding unit 110, and when the label issuance is completed, the string belt 124 is moved. You may make it press on the label adhesive surface hold
- the control unit 140 inputs the label length data from the label printer 300, and when the length is shorter than the specified value, the pressing mechanism 130 and the label carrier 121 are used while the label is issued. Can be driven to run while the strap belt 124 is lifted from the label holding unit 110.
- the printing direction length of the label varies depending on the product, but the printing information at that time is grasped when the label printer 300 reads necessary information from the memory and develops it into two-dimensional image information based on the printing format. can do. Therefore, depending on the product, it is possible to run the strap belt 124 in a state of floating from the label holder 113 or not to run the strap belt 124.
- the mountless label is used, but instead, a label with a mount can be used.
- a peeling plate is provided in place of the cutter unit 305, and a winding device for winding the mount after the label is peeled is added.
- the label holding unit 110, the transport unit 120, the pressing mechanism 130, and the control unit 140 can be configured in the same manner as in the above embodiment.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Labeling Devices (AREA)
- Printers Characterized By Their Purpose (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
Description
図3及び図4において、一実施形態としてのストレッチ包装機1000は、上部ユニット1100と下部ユニット1200と制御ユニット1300とから構成されている。上部ユニット1100には、値付けラベルを発行する図示しないラベルプリンタと、その値付けラベルを包装商品1(商品1)の上面に貼りつける図示しないラベル貼付機とが組み込まれている。下部ユニット1200には、トレー等に収納された包装前の商品10(未包装商品10)をストレッチフイルムで包装する包装機本体1201と、その側方に配置されて、包装された商品1の裏面にラベル4を貼付するラベル貼付機100とが組み込まれている。制御ユニット1300は、これらの各ユニット1100,1200を制御する。制御ユニット1300は、図1及び図2で示した制御部140、残量検知部150と、操作表示部1301とを備えている。
包装機本体1201は、図4の作業者11と対面する側に、包装前の商品10を内部に搬入する搬入コンベヤ1202を備えている。該コンベヤ1202には、包装前の商品10の質量を測定して操作表示部1301に出力する計量機1203が組み込まれている。また、計量機1203による質量測定が終了すると、搬入コンベヤ1202が作動し、そこに載置された前記商品10が包装機本体1201内に搬入される。
図5~図8において、ラベル貼付機100は、搬出コンベヤ1204から送られてくる商品1を搬送するコンベヤ200と、その下方に配置されるラベルプリンタ300と、ラベルプリンタ300から発行されたラベル4をその粘着面を外に向けて保持するラベル保持部110と、保持されたラベル4の粘着面にラベル搬送体121を押し付ける押付機構130(図9参照)と、ラベル4が貼り付いたラベル搬送体121を商品1に向けて搬送する搬送部120と、ラベル搬送体121と押付機構130を駆動制御する制御部140と、を備えている。
コンベヤ200は、図6及び図7の側面図及び図8の平面図に示すように、複数本のローラ201を平行に並べてフレーム202に回転自在に取り付けたものである。各ローラ201は、表面がブラスト加工されたアルミ管にステンレス製のシャフトを貫通させたものである。また、コンベヤ200の中程には、搬送部120の上端部を露出させる開口部203が形成され、その開口部203の一部を埋めるローラ204は、他のローラ201よりも短寸に成形されている。各ローラ201、204の一方の端部には、駆動ベルト205に接して回転する小径の駆動ローラ部206が同軸上に形成されている。
駆動ベルト205は、図6及び図7に示すように、各ローラ201の駆動ローラ部206の下方にあって、隣接する駆動ローラ部206間に配置された複数のフリーローラ207と主駆動ローラ208とに架け渡されて、矢印方向に循環するように構成されている。また、コンベヤ200は、ラベル貼付機100の本体フレーム1210に対して上方から着脱自在となっており、各駆動ローラ部206を駆動ベルト205に載置すれば、図6及び図7に示すように、各ローラ201の自重でもって駆動ベルト205がフリーローラ207と駆動ローラ部206に密着して、各駆動ローラ部206に矢印方向の回転力を付与するようになっている。また、駆動ベルト205には、バネで付勢されたテンションローラ209によって一定の張力が付与されており、これにより、駆動ベルト205は、一定の張力を保って各駆動ローラ部206に回転力を付与している。
また、第二アイドルギヤ212は、前述の搬出コンベヤ1204を駆動するギヤ220と噛み合っている。したがって、第二アイドルギヤ212が、コンベヤ200の回転力を搬出コンベヤ1204に伝達する動力伝達機構212となっている。また各ギヤ211、213、220のギヤ比は、搬出コンベヤ1204の搬送速度と、コンベヤ200の搬送速度とが同じになるように設定されている。
コンベヤ200の搬入口上方には、搬送中の商品1を検出する商品検出センサ400が設けられる。商品検出センサ400は、非接触で商品1を検出する近接センサで構成されている。
図5のラベルプリンタ300は、所謂、台紙レスラベルを使用するようにしたものである。このラベルプリンタ300は、ラベルロール301が装着される装着部302と、ラベルロール301から繰り出されるラベルシート303に所定事項を印字する印字部304と、印字されたラベルシート303を所定長さでカットするカッターユニット305と、を備えている。カッターユニット305は、周知構成のもので、図1及び図2に示す一対のカッター90と、その一方のカッター90を直線往復運動させる図示しないクランク機構と、それを回転駆動するロータリーソレノイドとで構成されている。
印字部304は、図9に示すように、印字ヘッド310とプラテンローラ330とを備えたもので、印字ヘッド310は、四節回転機構のコネクター部311に取り付けられている。この四節回転機構は、2つの固定軸312,313と、各固定軸312、313を中心として揺動する2つのレバー314,315と、各レバー314,315間に連結された前述のコネクター部311とで構成されている。また、各レバー314,315は、ねじりコイルバネ316,317で時計方向に付勢されており、使用時には、突っかい棒318を水平に保つことにより、各レバー314,315の時計方向への回転に逆らって印字ヘッド310をプラテンローラ330に押し付けている。また、ラベルシート303を印字ヘッド310とプラテンローラ330との間に通すときには、突っかい棒318を下向きに回転させれば、ねじりコイルバネ316,317の弾性力で各レバー314,315が図10に示すように時計方向に回動し、それに伴って印字ヘッド310とプラテンローラ330との間にラベルシート303が挿通できる隙間が形成されるようになっている。
図5及び図11において、ラベル貼付機100は、ラベルプリンタ300から発行されたラベル4をその粘着面を外に向けて保持するラベル保持部110と、保持されたラベルの粘着面にラベル搬送体121を押し付ける押付機構130と、ラベル4が貼り付いたラベル搬送体121を商品1の裏面に向けて搬送する搬送部120と、ラベルプリンタ300並びにラベルセンサ43,44からの検出信号に基づいて、ラベル搬送体121及び押付機構130を駆動制御する後述の制御部140(図12参照)と、を備えている。
ラベル保持部110は、負圧チャンバー112と、搬送部120の対面側に設けられたラベル保持体113と、負圧チャンバー112内を減圧する排気ファン114と、を備えている。ラベル保持体113は、ラベル搬送体121である紐ベルト124に沿って伸びるソリ115(図11参照)と、隣接するソリ115を架橋する連結部116と、を備えており、これらのソリ115と連結部116とで囲まれた領域が吸引口111となっている。そして、ラベルプリンタ300から発行されるラベル4は、吸引口111に吸引されながら上昇するが、その際、滑走するラベル4が連結部116と接触するのを防止するため、連結部116は、ソリ115のラベル滑走面より一段低い位置に設けられている。また、排気ファン114の排気量が強すぎると、ソリ115の上をラベル4が滑走できなくなるから、負圧チャンバー112内の負圧は、ラベル4の先端部が垂れ下がらない程度に減圧されている。また、ラベル保持体113と対面する側の搬送部120の裏側には、発行されたラベル先端部の垂れ下がりを防止するために、繰り出されるラベル4の先端部に向けて風を当てる送風機117が設けられている。
図8及び図11において、ラベル搬送体121を搬送する搬送部120は、サイドフレーム125と、それらのサイドフレーム125間に架け渡された上下の回転軸126と、それらの回転軸126に挿入されて横並びに複数個配列されたプーリー122,123と、それらのプーリー122,123間に架け渡された複数本の紐ベルト124と、各紐ベルト124を上方から押さえるテンションローラ128と、を備えている。また、上側回転軸126に固定された図6及び図8の駆動ギヤ50を後述の動力伝達機構に連結することにより、上側回転軸126とプーリー122とが回転し、それに伴って各プーリー122,123間を紐ベルト124が循環走行するようになっている。
図11において、押付機構130は、搬送部120のサイドフレーム125に取り付けられたピン131と、一端がそのピン131を挟み、他端が装置フレームに回動自在に取り付けられたレバー132と、可動鉄芯が該レバー132に対してピン結合されて、そのレバー132を揺動させる電磁ソレノイド133とで構成されている。また、レバー132を初期位置に戻すために、サイドフレーム125と図示しない装置フレームとの間には、サイドフレーム125を時計方向に引き寄せるコイルスプリング134が設けられ、さらに装置フレームには、サイドフレーム125の時計方向への更なる回動を規制する第一ストッパ135が設けられている。
図12は、ラベル貼付機100の制御系の構成を示すブロック図である。この図において、制御部140は、コンピュータで構成され、内蔵メモリに記憶されたプログラムを実行することにより、ラベル搬送体121及び押付機構130の駆動制御を行う。また、ストレッチ包装機1000からは、リフト起動信号が、ラベルプリンタ300からは、ラベル長さデータや印字完了信号が、商品検出センサ400からは、搬送中の商品1が所定位置に到達したことを知らせる信号が、ラベルセンサ43,44からは、ラベル搬送体121によって搬送されるラベル4が所定位置に到達したことを知らせる信号が、それぞれ制御部140に入力されるようになっている。そして、計量機1203から計量完了信号がストレッチ包装機1000に入力されると、搬入コンベヤ1202が起動されて、計量機1203に載置された未包装商品10をリフト機構まで搬送して停止する。続いて、次の未包装商品10が計量機1203に載置され、その計量が完了すると、リフト機構が起動して、そこに留まっていた商品10が持ち上げられて前述の一連の包装動作が行われる。
制御部140は、このリフト起動を起点として、図13のタイミングチャートに基づいてラベル搬送体121及び押付機構130を駆動制御する。なお、ラベルプリンタ300には、台紙レスラベルが装着され、スタート直後には、ラベル搬送体121は、ラベル保持部110から離れ、排気ファン114と送風機117は、動作しているものとする。
Claims (10)
- ラベル搬送体によって搬送されるラベルを搬送中の商品の裏面に貼付するラベル貼付機であって、
前記ラベルの粘着面を外に向けて保持するラベル保持部と、
前記ラベル保持部と対向する側に配置された前記ラベル搬送体を前記ラベル保持部に向けて移動させることにより、保持されたラベルの粘着面に前記ラベル搬送体を押し付ける押付機構と、
前記ラベル搬送体及び前記押付機構を駆動制御して、前記ラベルを前記商品の裏面に貼付させる制御部と、を備えている、ラベル貼付機。 - 前記制御部は、前記ラベル搬送体と前記押付機構とを駆動制御して、前記ラベルが発行されている間は、前記ラベル搬送体を前記ラベル保持部から離間させておき、当該ラベル発行が終了すると、前記ラベル搬送体を、保持されたラベルの粘着面に押し付ける、請求項1に記載のラベル貼付機。
- 前記制御部は、前記ラベル搬送体と前記押付機構とを駆動制御して、前記ラベルが発行されている間は、前記ラベル搬送体を前記ラベル保持部から離間させた状態で上方へ走行させ、当該ラベル発行が終了すると、発行されたラベルの粘着面に前記ラベル搬送体を押し付けてから、該ラベル搬送体を停止させる、請求項1に記載のラベル貼付機。
- ラベルプリンタに装着されたラベルロールの残量検知部を備え、
検知された残量が所定値以下になれば、前記制御部は、前記ラベル搬送体と前記押付機構とを駆動制御して、前記ラベルが発行されている間は、前記ラベル搬送体を前記ラベル保持部から離間させた状態で前記ラベル搬送体を走行させ、当該ラベル発行が終了すると、発行されたラベルの粘着面に前記ラベル搬送体を押し付けてから、前記ラベル搬送体を停止させる、請求項1に記載のラベル貼付機。 - 前記ラベルの発行方向長さが所定値以下の場合には、前記制御部は、前記ラベル搬送体と前記押付機構とを駆動制御して、前記ラベルが発行されている間は、前記ラベル搬送体を前記ラベル保持部から離間させた状態で前記ラベル搬送体を上方へ走行させ、当該ラベル発行が終了すると、発行されたラベルの粘着面に前記ラベル搬送体を押し付けてから、前記ラベル搬送体を停止させる、請求項4に記載のラベル貼付機。
- 前記ラベルを発行するラベルプリンタは、ラベルシートを印字量に応じた長さで切断するカッターを備える、請求項1~5の何れか一項に記載のラベル貼付機。
- 前記制御部は、前記ラベルシートを切断する前に、前記押付機構を制御して、切断されるラベルシートの粘着面に前記ラベル搬送体を押し付ける、請求項6に記載のラベル貼付機。
- 前記ラベル搬送体によって搬送されるラベルを検出するラベルセンサを備え、
前記制御部は、前記ラベル搬送体と前記押付機構とを駆動制御して、前記ラベル搬送体を前記ラベルの粘着面に押し付けてから前記ラベルセンサによってラベルが検出されるまで、前記ラベル搬送体を走行させる、請求項1~7の何れか一項に記載のラベル貼付機。 - 前記商品を搬送するコンベヤと、
前記商品を検出する商品検出センサと、を備え、
前記制御部は、前記商品検出センサから検出信号を受け取ると、前記ラベル搬送体を上方に走行させる、請求項8に記載のラベル貼付機。 - 包装した商品を前記コンベヤに送り出す搬出コンベヤと、
請求項9に記載のラベル貼付機と、を備え、
該搬出コンベヤと前記ラベル貼付機の前記コンベヤとは、動力伝達機構を介して連結されている、ストレッチ包装機。
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US11862045B1 (en) | 2017-09-27 | 2024-01-02 | Rekon, Llc | Duplex label with displaceable liner and methods of making and using same |
US11559975B1 (en) | 2018-09-27 | 2023-01-24 | Ward-Kraft, Inc. | Dissolvable adhesive liner label and methods of making and using same |
US10802463B1 (en) * | 2017-10-31 | 2020-10-13 | CMSI Technologies | Method of printing a tag and attaching the tag to a bag |
CN110871937B (zh) * | 2018-08-30 | 2022-03-22 | 上海新时达电气股份有限公司 | 一种自动贴标机 |
IT201900002435A1 (it) * | 2019-02-20 | 2020-08-20 | Wega Srl | Sistema perfezionato per l’etichettatura di pelli |
CN109896105B (zh) * | 2019-04-09 | 2023-12-08 | 福建省泉州万龙石业有限公司 | 一种适用于金刚石刀头包装的自动贴标及缠绕胶带设备 |
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