JP2004099071A - Packaging apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To execute the position adjustment of each section of a packaging apparatus in response to a dimensional change of a product at high accuracy with an easy operation. <P>SOLUTION: The packaging apparatus has a width measuring device 100 for measuring the width of the product arranged in a product feeding section. The apparatus also includes a control circuit, which calculates respective lateral positions of a pair of elevators, a bottom guide, a transfer belt, and a gluing member on the basis of the width of the product measured with the width measuring device 100, and controls an motor 32 for moving the elevator, a motor 42 for moving the bottom guide, a motor 62 for moving the transfer belt, and a motor 72 for moving the gluing member on the basis of the result of the lateral position calculation. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wrapping apparatus for body-wrapping a wrapping sheet such as candy paper on the surface of a product, and more particularly to a wrapping apparatus that facilitates the position adjustment operation of each part of the apparatus in accordance with the dimensions of the product.
[0002]
[Prior art]
As this type of conventional packaging apparatus, there are those disclosed in Patent Documents 1 to 3 described later.
Patent Document 1 discloses a configuration in which the drive shaft of each part is connected by a chain and can be performed by a handle operation so that the position adjustment of each part accompanying the change in product dimensions can be integrated.
Similarly, Patent Document 2 discloses a configuration in which the drive shafts of each part of the apparatus are connected by a chain, and the position of each part can be adjusted by a handle operation.
Patent Document 3 discloses a configuration in which a product conveyance distance is calculated by measuring a product length and a sheet length, and is automatically fed.
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 55-122012 FIG. 5 [Patent Document 2]
Japanese Patent Application Laid-Open No. 61-115807 [Patent Document 3]
JP-A-6-48406 [0004]
[Problems to be solved by the invention]
The conventional techniques disclosed in Patent Documents 1 and 2 are configured to adjust the position of each part of the device by operating the handle, and for that purpose, the drive shafts of each part of the device are connected by a chain and are routed. Looseness, rattling against the sprocket, etc. will adversely affect the accuracy of position adjustment. Therefore, highly accurate position adjustment cannot be expected. Furthermore, as a result of connecting the drive shafts of each part of the apparatus with a chain, pulling them and collecting them on the handle, there is a problem that the handle operation becomes heavy and the operability is poor.
Patent Document 3 discloses a conventional technique for determining a sheet feeding distance with respect to a product, but does not disclose any adjustment of each unit necessary for folding a sheet into a product and winding it around the product.
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a packaging apparatus that can adjust the position of each part accompanying a change in product dimensions with high accuracy and simple operation.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a product supply unit for accumulating products, a lifting means for lifting the products, and a product transport for picking up the products one by one from the product supply unit and transporting them to the lifting work position by the lifting means. Means, a sheet supply unit for storing the packaging sheets, a sheet conveying unit for taking out the packaging sheets one by one from the sheet supply unit and placing them above the product that has been conveyed to the working position, and this sheet conveyance Gluing means for applying glue to both edges of the packaging sheet provided in the middle of conveyance of the packaging sheet by the means, and a wrapping packaging section for wrapping the packaging sheet around the product as the product is lifted, provided above the lifting operation position A packaging device comprising:
The ascending means includes a pair of elevators arranged at symmetrical positions in the width direction with respect to the center of the product conveyance path by the product conveying means, and an elevator moving motor that moves the pair of elevators to the symmetrical position in the width direction. Including
The sheet conveying means includes a pair of conveying belts arranged at a symmetrical position in the width direction with respect to a center portion of the product conveying path, and a conveying belt moving motor for moving the pair of conveying belts to a symmetrical position in the width direction. Including
The gluing means includes a pair of gluing members disposed at a symmetrical position in the width direction with respect to the center portion of the product conveyance track, and a gluing member moving motor for moving the pair of gluing members to a symmetrical position in the width direction. ,
And product width measuring means for measuring the width dimension of the product arranged in the product supply unit,
Based on the width dimension of the product measured by the product width measuring means, each position in the width direction of at least a pair of the elevator, the conveyor belt and the glue member is calculated, and the elevator moving motor and the conveyor belt moving motor are calculated based on the calculation result. And a control means for controlling the motor for moving the gluing member (claim 1).
[0006]
According to the present invention having the above configuration, the product width measuring means automatically measures the width dimension of the product arranged in the product supply section, and the control means is the elevator moving motor based on the measured product width dimension, Since the conveyance belt moving motor and the gluing member moving motor are controlled, the position adjustment of the elevator, the conveyance belt, and the gluing member can be performed with simple operations and with high accuracy.
[0007]
Further, the packaging device is disposed at a symmetrical position in the width direction with respect to the center of the product conveyance track, and a pair of bottom guides for supporting the bottom surface of the product conveyed by the product conveyance means on the product conveyance track, If you have a bottom guide movement motor that moves the bottom guide to the symmetrical position in the width direction,
Preferably, the control means also controls the bottom guide moving motor based on the width dimension of the product measured by the product width measuring means.
Thereby, the position adjustment of the bottom guide can be performed at once with high accuracy.
[0008]
Here, the conveying belt constituting the sheet conveying means is a suction belt that can adsorb the packaging sheet to the belt surface, and the main body of the suction belt adsorbs the packaging sheet one by one from the sheet supply unit. A suction pad to be delivered to the belt surface of the suction belt is attached, and the suction pad can also be configured to move in the width direction integrally with the suction belt.
With this configuration, the position adjustment of the suction pad is also performed integrally with the transport belt, so that the configuration can be simplified.
[0009]
The product supply unit has a pair of movable side guides that guide both side surfaces in the width direction of the product to be supplied,
The product width measuring means can be constituted by a width measuring device that measures the width dimension of the product based on the movement position of the side guide in conjunction with the movement of the side guide.
With this configuration, the worker simply places the product in the product supply unit and creates a set state in which the product is guided by the side guide, and the position adjustment of each unit is automatically performed, thereby further improving workability. improves.
The product transport means includes a pusher that reciprocates along the product transport track, and a transport motor that drives the pusher,
The product supply unit has a pair of end surface guides that guide both end surfaces in the length direction of the product to be supplied, and one of the end surface guides is movable,
And a length measuring device that measures the length dimension of the product based on the movement position of the end face guide in conjunction with the movement of one end face guide,
The control means may be configured to calculate a pusher start position and a transport stroke based on the product length measured by the length measuring device, and to control the transport motor based on the calculation result. 5).
[0010]
With this configuration, the length measuring device automatically measures the length of the product arranged in the product supply unit, and the control means controls the pusher transport motor based on the measured length of the product. The pusher start position and the transport stroke can be adjusted easily and with high accuracy.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a front configuration diagram showing the overall configuration of a packaging apparatus according to an embodiment of the present invention, and FIG. 2 is a plan configuration diagram.
The packaging device lifts the product 1, a product supply unit 10 that accumulates and accumulates the products 1, a pusher 20 (product transporting means) that takes out the products 1 from the product supply unit 10 one by one and transports them along the product transport path. A pair of elevators 30, 30 (lifting means), a pair of bottom guides 40, 40 that support the bottom surface of the product 1 that is conveyed along the product conveyance track, and a paper sheet 2 (packaging sheet) are stacked and accumulated. A pair of conveying belts 60 and 60 (sheet conveying means) for taking out and conveying the paper sheets 2 from the paper paper supply section 50 one by one, and glue on both ends of the paper paper 2 A pair of gluing members 70, 70 (gluing means) for applying the product, a body-wrapping portion 80 for winding the funnel paper 2 around the product 1 as the product 30 is lifted by the elevators 30, 30, and And a stock portion 90 of the wound by product 1.
[0012]
As shown in FIG. 3, the product supply unit 10 is provided with a pair of side surface guides 11 and 12 that guide both side surfaces of the product 1 to be supplied in the width direction. The pair of side guides 11 and 12 are respectively arranged at symmetrical positions in the width direction with respect to the central shaft portion of the apparatus. Further, nut members 11a and 12a are fixed to the side guides 11 and 12, and a screw shaft 13 is screwed to the nut members 11a and 12a. The screw shaft 13 is threaded in opposite directions on the left and right with respect to the center. When the screw shaft 13 is rotated, the side guides 11 and 12 are symmetrical in the width direction with respect to the central shaft portion of the apparatus. Moving. A handle 14 for rotating operation is attached to one end of the screw shaft 13. The operator can adjust the positions of the side guides 11 and 12 according to the width of the product 1 by rotating the handle 14 after setting the product 1 in the product supply unit 10.
[0013]
In addition, the product supply unit 10 is provided with a pair of end surface guides 15 and 16 for guiding both end surfaces in the length direction of the product 1 to be supplied. Of these, one end surface guide 15 (hereinafter referred to as a fixed end surface guide) is fixed to the side surface guide 12, and the other end surface guide 16 (hereinafter referred to as a movable end surface guide) is movable with respect to the main body frame. . The movable end surface guide 16 is fixed to the main body frame by tightening the knob 16a, and can be moved relative to the main body frame by loosening the knob 16a. The operator can adjust the position of the movable end surface guide 16 by setting the product 1 in the product supply unit 10 and then moving the movable end surface guide 16 according to the length of the product 1.
[0014]
The lower end portion of the fixed end surface guide 15 has a notch 15a formed at least up to the maximum height position in accordance with the maximum height of the product 1 to be supplied, and the lowermost step through the notch 15a. The product 1 can be taken out. In addition, on the side of the fixed end surface guide 15, a cutting guide 17 is provided side by side. The cutting guide 17 is movable in the vertical direction, and by adjusting the height of the lower end thereof according to the height of the product 1 accumulated in the product supply unit 10, only the lowermost product 1 is the product. It has a function of enabling removal from the supply unit 10.
[0015]
As shown in FIG. 4, the pusher 20 reciprocates on the guide rod 22 with the driving force of the transport motor 21. The guide rod 22 extends from the product supply unit 10 to the lifting work position of the elevators 30, 30, and a product conveyance track from the product supply unit 10 to the lifting work position is formed along the guide rod 22. . The center portion of the product transport track coincides with the center shaft portion of the apparatus.
Although not specifically shown, the pusher 20 has a claw part that presses the product 1 freely projecting and retracting on the upper surface of the base, and the claw part protrudes and moves the product 1 toward the lifting operation position. In the returning operation toward the product supply unit 10 by pressing, the claw portion is buried in contact with the product 1 accumulated in the product supply unit 10 and moved to the outside of the product supply unit 10 (left side in FIG. 1). It has become.
[0016]
The pair of elevators 30 and 30 are driven in the vertical direction by a vertical drive mechanism (not shown) to lift the product 1 that has been transported to the lifting work position. Here, the lifting work position is set at the intersection of the product conveyance track and the vertical movement track of the elevators 30 and 30.
The pair of elevators 30 and 30 are arranged at symmetrical positions in the width direction with respect to the center portion of the product conveyance track. Further, as shown in FIG. 4, nut members 30 a and 30 a are fixed to the elevators 30 and 30, and a screw shaft 31 is screwed to the nut members 30 a and 30 a. The screw shaft 31 is threaded in opposite directions on the left and right with the center as a boundary. When the screw shaft 31 is rotated, the elevators 30 and 30 are symmetrical in the width direction with respect to the center of the product conveyance track. Moving. An elevator moving motor 32 is attached to one end of the screw shaft 31, and the screw shaft 31 is rotationally driven by the driving force of the motor 32.
[0017]
The pair of bottom guides 40, 40 are provided so as to extend from the product supply unit 10 to the vicinity of the lifting work position along the transport path of the product 1, and one end thereof enters the inside of the elevators 30, 30. (See FIGS. 2 and 4).
The pair of bottom guides 40 and 40 are respectively arranged at symmetrical positions in the width direction with respect to the center portion of the product conveyance track. Moreover, as shown in FIG. 4, each bottom guide 40 and 40 is formed with nut portions 40a and 40a, and a screw shaft 41 is screwed into these nut portions 40a and 40a. The screw shaft 41 is threaded in opposite directions on the left and right with the center as a boundary. When the screw shaft 41 is rotated, the bottom guides 40 and 40 are arranged in the width direction with respect to the center portion of the product conveying track. Move symmetrically. A bottom guide moving motor 42 is attached to one end of the screw shaft, and the screw shaft 41 is rotationally driven by the driving force of the motor 42.
[0018]
The candy paper supply unit 50 is provided on a straight line on the opposite side of the product supply unit 10 with respect to the lifting position of the product 1. The paper sheets 2 accumulated and accumulated in the paper paper supply unit 50 are taken out one by one from the uppermost paper sheet 2 and conveyed by the conveying belts 60 and 60 to above the working position.
[0019]
The pair of transport belts 60, 60 is a suction belt having suction nozzles on the belt surface.
The pair of transport belts 60 and 60 are respectively disposed at symmetrical positions in the width direction with respect to the center of the product transport track. Further, as shown in FIG. 4, nut members 60a and 60a are disposed on the main bodies of the conveyor belts 60 and 60, and a screw shaft 61 is screwed onto the nut members 60a and 60a. The screw shaft 61 is threaded in opposite directions on the left and right with the center as a boundary. When the screw shaft 61 is rotated, the conveyor belts 60 and 60 are arranged in the width direction with respect to the center of the product conveying track. Move symmetrically. A conveying belt moving motor 62 is attached to one end of the screw shaft 61, and the screw shaft 61 is rotationally driven by the driving force of the motor 62.
[0020]
Further, as shown in FIG. 4, suction pads 63 and 63 are attached to the main body of each of the conveyor belts 60 and 60 at positions near one end. These suction pads 63, 63 are movable in the vertical direction with the driving force of the air cylinder, and have a function of sucking the paper 2 at the lowered position and delivering the paper 2 to the conveying belts 60, 60 at the raised position. Have. The suction pads 63 and 63 are also moved in the width direction integrally with the conveyor belts 60 and 60 to adjust the position.
[0021]
The pair of gluing members 70, 70 are provided in the middle of conveying the candy paper 2 by the conveying belts 60, 60, and have a function of applying glue to both ends of the passing candy paper 2.
The pair of gluing members 70 and 70 are arranged at symmetrical positions in the width direction with respect to the center portion of the product conveyance track. Further, as shown in FIG. 4, nut members 70a and 70a are fixed to the pasting members 70 and 70, and a screw shaft 71 is screwed to the nut members 70a and 70a. The screw shaft 71 is threaded in opposite directions on the left and right with the center as a boundary. When the screw shaft 71 is rotated, the gluing members 70 and 70 are arranged in the width direction with respect to the center portion of the product conveying track. Move symmetrically. A gluing member moving motor 72 is attached to one end of the screw shaft, and the screw shaft 71 is rotationally driven by the driving force of the motor 72.
[0022]
The torso wrapping unit 80 is provided above the position for lifting the product 1 by the elevators 30 and 30. As shown in FIGS. 1 and 2, a pair of folding guide bars 81, 81 are disposed in the body wrapping portion 80. The folding guide bars 81 and 81 fold both end portions of the funnel paper 2 arranged on the upper surface of the product 1 to the side of the product 1 in accordance with the lifting operation of the product 1 by the elevators 30 and 30. Each folding guide bar 81, 81 is fixed to a main body box of each elevator 30, 30, and is moved in the width direction integrally with the elevator 30, 30, and is adjusted in position.
[0023]
The stock part 90 of the product 1 wound around the body is provided at a position above the body wrapped packaging part 80. As shown in FIG. 5, the stock portion 90 is provided with a pair of hold guides 91 and 92. Product stock claws 93 and 93 are attached to the inner side surfaces of the hold guides 91 and 92, and the bottom surface of the product 1 is supported by the product stock claws 93 and 93. The product stock claws 93 and 93 are biased in the opening direction by a spring member (not shown). On the other hand, when the product 1 is lifted, the product 1 is pressed against the product 1 and closed. It can be loaded.
Also, one hold guide 91 is configured to be able to be tilted toward the front side of the apparatus around the hinge. Thereby, when taking out the product 1 from the stock part 90, it is possible to take out the product 1 from the front side of the apparatus only by tilting the hold guide 91.
[0024]
Returning to FIG. 3, in the vicinity of the product supply unit 10, a width measuring device 100 (product for measuring the width dimension of the product 1 based on the movement position of the side guides 11, 12 in conjunction with the movement of the side guides 11, 12. Width measuring means) is installed. As the width measuring device 100, for example, a magnetic sensor that detects the amount of movement of the metal rod fixed to one of the side guides 11 and 12 by converting it into magnetic fluctuation can be used.
Further, a length measuring device 101 that measures the length of the product 1 based on the movement position of the movable end surface guide 16 in conjunction with the movement of the movable end surface guide 16 is installed in the vicinity of the product supply unit 10. . For the length measuring device 101, for example, a magnetic sensor that detects the amount of movement of the metal rod fixed to the movable end surface guide 16 by converting it into magnetic fluctuation can be used.
[0025]
FIG. 6 is a block diagram showing a control circuit for adjusting the position of each part of the packaging device.
The control circuit (control means) shown in FIG. 1 includes components of an input interface 102, a ROM 103 (Read Only Memory), a RAM 104 (Random Access Memory), a CPU 105 (Central Processing Unit), an output interface 106, and a motor driver 107. It is out. The CPU 105 receives measurement signals from the width measuring instrument 100 and the length measuring instrument 101 described above via the input interface 102.
[0026]
Then, the CPU 105 follows the operation program written in the ROM 103, and based on the width dimension of the product 1 measured by the width measuring device 100, the elevators 30, 30, the bottom guides 40, 40, the conveyor belts 60, 60, and the gluing Each width direction position of the members 70 and 70 is calculated, and control information for the elevator moving motor 32, the bottom guide moving motor 42, the conveyor belt moving motor 62, and the gluing member moving motor 72 is generated based on the calculation result. To do. The control information is once written in the RAM 104 and is output to the motor driver 107 via the output interface 106 when the operation button 108 is pressed.
[0027]
The motor driver 107 simultaneously controls driving of each moving motor based on the control information. As a result, the elevators 30, 30, the bottom guides 40, 40, the conveyor belts 60, 60, and the glue members 70, 70 move almost simultaneously to positions that match the width dimension of the product 1. A part of the bottom guides 40 and 40 is disposed inside the elevators 30 and 30, and interference with the elevators 30 and 30 can be avoided by simultaneously adjusting the movement in this way.
[0028]
Further, the CPU 105 calculates the starting position and the transport stroke of the pusher 20 based on the length dimension of the product 1 measured by the length measuring device 101 according to the calculation program written in the ROM 103, and based on the calculation result. Control information for the transport motor 21 is generated. This control information is also once written in the RAM 104 and output to the motor driver 107 via the output interface 106 in synchronization with the packaging operation of the entire apparatus.
[0029]
The motor driver 107 drives and controls the carry motor 21 based on the control information. As a result, the pusher 20 reciprocates in accordance with the length of the product 1.
[0030]
In addition, this invention is not limited to embodiment mentioned above. Although the packaging apparatus of the said embodiment was the structure which wind-wraps the candy paper 2 on the surface of the product 1, this invention is applied to the packaging apparatus which winds and wraps various packaging sheets not only to the candy paper but to the product 1. Is possible.
[0031]
【The invention's effect】
As described above, according to the present invention, the product width measuring means automatically measures the width dimension of the product arranged in the product supply section, and the control means moves the elevator based on the measured product width dimension. Since the control motor, the conveyor belt moving motor, and the gluing member moving motor are controlled, each position adjustment of the elevator, the conveying belt, and the gluing member can be performed with a simple operation and with high accuracy.
[Brief description of the drawings]
FIG. 1 is a front configuration diagram showing an overall configuration of a packaging device according to an embodiment of the present invention.
FIG. 2 is a plan view of the same.
FIG. 3 is a perspective view showing a product supply unit.
FIG. 4 is a perspective view showing a configuration of each part of a pusher, a bottom guide, an elevator, a conveyor belt, and a gluing member.
FIG. 5 is a perspective view showing a stock portion of a product wound around a body.
FIG. 6 is a block diagram showing a control circuit for adjusting the position of each part of the packaging device.
[Explanation of symbols]
1: Product 2: Saito paper (packaging sheet)
10: Product supply unit 11, 12: Side guide 11a, 12a: Nut member 13: Screw shaft 14: Handle 15: Fixed end surface guide 15a: Notch 16: Movable end surface guide 16a: Knob 17: Cutting guide 20: Pusher (product Transport means)
21: Transport motor 22: Guide rod 30: Elevator (lifting means)
30a: Nut member 31: Screw shaft 32: Elevator moving motor 40: Bottom guide 40a: Nut portion 41: Screw shaft 42: Bottom guide moving motor 50: Doto paper supply unit (sheet supply unit)
60: Conveying belt (sheet conveying means)
60a: nut member 61: screw shaft 62: transport belt moving motor 63: suction pad 70: gluing member (gluing means)
70a: nut member 71: screw shaft 72: gluing member moving motor 80: body winding wrapping part 81: folding guide bar 90: stock part 91, 92: hold guide 93: product stock claw 100: width measuring device (product width measuring means )
101: Length measuring device 102: Input interface 103: ROM
104: RAM
105: CPU
106: Output interface 107: Motor driver 108: Operation button

Claims (5)

Product supply unit for accumulating products, lifting means for lifting products, product conveying means for picking up products one by one from the product supply unit and transporting them to the lifting work position by the lifting means, and packaging sheets A sheet supply unit, a sheet conveyance unit for taking out the packaging sheets one by one from the sheet supply unit and arranging them above the product that has been conveyed to the lifting position, and provided in the middle of conveyance of the packaging sheet by the sheet conveyance unit A packaging device comprising: gluing means for applying glue to both edges of the packaging sheet; and a body-wrapping section provided above the lifting work position and for body-wrapping the packaging sheet onto the product as the product is lifted. And
The ascending means includes a pair of elevators arranged at symmetrical positions in the width direction with respect to the center of the product conveyance track by the product conveying means, and an elevator moving motor that moves the pair of elevators to a symmetrical position in the width direction Including
The sheet conveying means includes a pair of conveying belts arranged at a symmetrical position in the width direction with respect to a center portion of the product conveying track, and a conveying belt moving motor for moving the pair of conveying belts to a symmetrical position in the width direction. Including
The gluing means includes a pair of gluing members disposed at a symmetrical position in the width direction with respect to a center portion of the product conveyance track, and a gluing member moving motor that moves the pair of gluing members to a symmetrical position in the width direction. Including
And product width measuring means for measuring the width dimension of the product arranged in the product supply unit,
Based on the product width dimension measured by the product width measuring means, at least the width direction positions of the pair of elevators, the conveyor belt and the glue member are calculated, and the elevator moving motor and the conveyor belt movement are calculated based on the calculation results. And a control means for controlling the gluing member moving motor. A pair of bottom guides disposed at symmetrical positions in the width direction with respect to the center of the product transport track, and supporting the bottom surface of the product transported on the product transport track by the product transport means, and the pair of bottom guides A bottom guide moving motor that moves to a symmetrical position in the width direction,
2. The packaging apparatus according to claim 1, wherein the control means also controls the bottom guide moving motor based on the width dimension of the product measured by the product width measuring means. The conveying belt constituting the sheet conveying means is a suction belt capable of adsorbing the packaging sheet to the belt surface, and the main body of the suction belt adsorbs the packaging sheets one by one from the sheet supply unit. The packaging device according to claim 1, wherein a suction pad is attached to the belt surface of the suction belt, and the suction pad also moves in the width direction integrally with the suction belt. The product supply unit has a pair of movable side guides that guide both sides in the width direction of the product to be supplied,
The product width measuring means comprises a width measuring device that measures the width dimension of the product based on the movement position of the side guide in conjunction with the movement of the side guide. The packaging apparatus as described in any one. The product transport means includes a pusher that reciprocates along a product transport track, and a transport motor that drives the pusher,
The product supply unit has a pair of end surface guides for guiding both end surfaces in the length direction of the product to be supplied, and one end surface guide is movable,
And a length measuring device for measuring the length dimension of the product based on the movement position of the end face guide in conjunction with the movement of the one end face guide,
The said control means calculates the starting position and conveyance stroke of the said pusher based on the length of the product measured by the said length measuring device, and controls the said conveyance motor based on this calculation result. The packaging device according to any one of 1 to 4.

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