JP2021142555A - Container member feeding device - Google Patents

Abstract

To provide a container member feeding device that makes workability proper during the execution of disassembly and cleaning and that inhibits production of abrasion powder from a container member.SOLUTION: A container member feeding device comprises a container member separation unit that feeds container members with a flange at a peripheral edge one by one to a pocket of a container member conveyance turret. The container member separation unit has a plurality of segmentation parts, and one of the plurality of segmentation parts is composed of a segmentation groove that is engaged with the flange of the container member integrally provided on the upper outer periphery of the container member conveyance turret.SELECTED DRAWING: Figure 4

Description

The present invention relates to a container member supply device including a container member separation unit that supplies one container member having a flange on the peripheral edge to a pocket of a container member transport turret.

As an example of the container member supply device that supplies the container members having flanges on the peripheral edge to the pockets of the container member transport turret one by one, there is a lid supply device provided in the winding device that wraps the lid around the can.
Conventionally, a can mounting unit for placing a can filled with a beverage or the like, a chuck unit provided facing the can mounting unit, and a winding device equipped with a seaming roll for winding a lid on a can have been used. It is known.
Known winding devices include, for example, a seaming turret (1) that performs a can and lid winding step, and a carry-in conveyor (supply) that supplies the can before winding to the seaming turret, as shown in Patent Document 1. Conveyor 7), the lid transport turret (supply turret 3) of the lid supply unit that supplies the lid, the discharge turret (discharge turret 5) that carries out the can after winding from the seaming turret, and the can further from the discharge turret. It is provided with a carry-out conveyor (discharge conveyor 8) for carrying out to the outside.
The seaming turret, the discharge turret, and the lid transport turret are each provided with pockets (fitting recesses 2, 4, 6) for individually accommodating and transporting the can and the lid on the outer peripheral portion.
In each pocket of the seaming turret, a can mounting unit (lifter 17) on which a can is placed, a chuck unit (seaming chuck device 10) provided facing the can mounting unit, and a lid are placed on the can. Seaming rolls (18, 19) for winding are provided.
In the winding device configured in this way, the speed and timing of each turret and each conveyor are adjusted by gears, etc., and the operation of the can mounting unit, chuck unit, and seaming unit arranged in each pocket is controlled by the gear and cam. By interlocking with the rotation of the seaming turret by a mechanism or the like, it is possible to continuously wind the can and the lid that are conveyed at high speed while delivering them.

Conventionally, as the lid supply device of the winding device, as shown in FIGS. 5 and 6, a 3-screw type (3-cover cutting-out roll type) has been used. In the 3-screw type lid supply device, a plurality of lids F, F, ... Are sent downward in a state of being stacked in a vertically extending passage, and rotate to a vertical rotation axis to separate at the lower end thereof. The edge of the lowermost lid Fa is engaged with the cutting grooves 521, 521, 521 formed on the outer periphery of the three lid cutting rolls 520, 520, 520 provided at equal intervals in the circumferential direction. At the same time, the stoppers 522, 522, 522 stop the other lids F, F, ... Simultaneously rotated via the gears 525, 525, 525 and the internal gear 526 connecting them, the lowermost Fa is horizontal along the cutting grooves 521, 521, 521 of the lid cutting rolls 520, 520, 520. It has a configuration in which it is sent out to the pocket of the lid transport turret 550 in the posture (see Patent Document 2).
However, such a three-screw type lid supply device is expensive because it has a complicated structure such as being provided with three lid cutting rolls, and the entire weight is heavy when disassembling and cleaning. There is a problem that the sex is not good.

Further, as another lid supply device, a one-screw type (one-cover cut-out type) has also been proposed. As shown in FIGS. 7 and 8, the one-screw type lid supply device is sent downward with the lids F, F, ... Stacked in the diagonally extending passage, and is separated at the lower end thereof. The edge of the lowermost lid Fa is engaged with the cutting groove 621 of one lid cutting roll 620 provided to rotate on the vertical rotation shaft, and the other lids F, F, ... Is stopped from being cut out, separated one by one, and then displaced from the inclined state to the horizontal state by the cutting groove 621, and sent out to the pocket of the horizontal lid transport turret 650.
However, in such a one-screw type lid supply device, since the transport by the lid transport turret 650 is started in a state where the curls of the lowermost lid Fa overlap, the lids F and F that are stacked and fed in large quantities. The curl portion receives a large pressing force due to the weight of ,, and the lid Fa is damaged or abrasion powder is generated and mixed into the product, which is not preferable in terms of product quality and hygiene.

Japanese Unexamined Patent Publication No. 62-244537 Japanese Unexamined Patent Publication No. 8-324795

The present invention solves the above-mentioned problems, and an object of the present invention is to provide a container member supply device having good workability during disassembly and cleaning and suppressing the generation of abrasion powder of the container member. To do.

The container member supply device of the present invention is a container member supply device including a container member separation unit that supplies one container member having a flange on the peripheral edge to a pocket of the container member transport turret.
The container member separation unit has a plurality of cutout portions, and one of the plurality of cutout portions is formed from a cutout groove that engages with a flange of the container member integrally provided on the upper outer periphery of the container member transport turret. By being configured, the above-mentioned problems are solved.

According to the container member supply device of the present invention, at least one of the plurality of cutout portions is composed of a large number of cutout grooves that engage with the container member integrally provided on the upper outer periphery of the container member transport turret. Since it is not necessary to arrange the cutting roll around the container member separation unit, the structure can be simplified as compared with the conventional case, and good workability can be obtained when disassembling and cleaning. Further, since the container member transport turret side has a cutting groove, the flange of the container member is damaged when the container member is cut out, and abrasion powder of the container member is generated as compared with the one-screw type container member supply device. Can be suppressed.

According to the configuration in which one of the cutting portions according to the present invention is a cutting groove that engages with the lid provided on the cutting roll, only one cutting roll needs to be arranged in addition to the container member transport turret. It becomes possible to simplify.

According to the configuration according to the present invention, in which the container member fed downward is placed in the pocket of the container member transport turret while maintaining a substantially parallel posture, the container member at the lowermost end is surely separated and the peripheral edge of the container member. Since the flanges formed in the container can be transferred to the pocket of the container member transport turret without overlapping, it is possible to further suppress damage to the flange of the container member and generation of abrasion powder of the container member. can.

The schematic diagram which shows an example of the structure of the winding device provided with the container member supply device (cover supply device) which concerns on one Embodiment of this invention. FIG. 5 is a cross-sectional view showing an example of a configuration of a winding device provided with a container member supply device (cover supply device) according to an embodiment of the present invention. FIG. 2 is a perspective view showing an example of the configuration of the lid supply device of FIG. FIG. 3 is a perspective view showing an example of a cutting groove and a lid cutting roll in the lid feeding device of FIG. Top view of a conventional 3-screw type lid feeder. FIG. 5 is a partial front sectional view of the lid supply device shown in FIG. Top view of a conventional one-screw type lid feeder. A partial front sectional view of the lid supply device shown in FIG. 7.

Hereinafter, the present invention will be described in detail.
An example of a device having a container member supply device (cover supply device) according to an embodiment of the present invention is a winding device for winding a lid on a can.
As shown in FIG. 1, the winding device 100 conveys and supplies the seaming turret 101 that performs the winding step of the can C and the lid F and the can C before winding to the seaming turret 101 in a non-rotating state. A lid supply device (container member supply device) 104 consisting of a carry-in conveyor 102, a lid separation unit (container member separation unit) 210 for supplying the lid F, and a lid transfer turret (container member transfer turret) 250, and a can after winding. It is provided with a discharge turret 107 that carries out the CM from the seaming turret 101, and a carry-out conveyor 108 that further carries out the can CM from the discharge turret 107.
The seaming turret 101, the discharge turret 107, and the lid transport turret 250 are each provided with pockets P on the outer periphery for individually accommodating and transporting the can C, the can CM, and the lid F, and the carry-in conveyor 102 is provided with a can. An attachment 103 is provided which is individually engaged with and conveyed to C.
The rotation speed of the seaming turret 101, the discharge turret 107 and the lid transport turret 250, the moving speed of the attachment 103 of the carry-in conveyor 102, and the interlocking timing of each pocket P and the attachment 103 are the can C and the can between each turret and the conveyor. It is designed to be adjustable so that the CM and lid F can be delivered smoothly.

As shown in FIG. 2, the seaming turret 101 that performs the winding step of the can C and the lid F has a can mounting unit 350 and a can mounting unit that mount and rotate the can C in each pocket P, respectively. Chuck 321 for positioning the lid F placed on the upper part of the can C and the lid F placed on the upper part of the can C, which are provided facing the 350, are movably fitted in the chuck 321 to be pressed. It includes a chuck unit 320 having a matching knockout pad 322 and a seaming unit 410 having seaming rolls 451 and 452 that wrap the lid F around the can C.

The seaming turret 101 is rotatably arranged around the center shaft 109 with the central axis X extending in the vertical direction, and is rotationally driven by the drive mechanism 151 of the seaming turret 101.
The lid separation unit 210, the lid transport turret 250, and the carry-in conveyor 102 are mechanically driven from the drive mechanism 151 of the seaming turret 101 via a transmission mechanism.

The chuck unit 320 is rotatably arranged around the center shaft 109 with the central axis X extending in the vertical direction so as to face the can mounting unit at equal angle intervals, and is an outer surface of the rotating shaft that supports the chuck 321 at the lower end. The gear 323 meshes with the sun gear 324 supported by the center shaft 109. The chuck unit 320 revolves due to the rotation of the center shaft 109 and the center column, and the chuck 321 rotates on its axis due to the engagement between the sun gear 324 and the outer surface gear 323.
The chuck 321 is fixedly and rotatably provided in the vertical direction, and as shown on the right side of the central axis X in FIG. 2, the can C on which the can mounting unit 350 is raised and the lid F is mounted is placed. The lid F is centered by fitting the lower end outer peripheral surface of the chuck 321 while sandwiching it between the knockout pad 322 and the can mounting unit 350.

The seaming unit 410 is double-wound by seaming rolls 451 and 452 pivotally attached to both ends of the seaming lever 450 whose central portion is fixed to the lower end of the revolving roll swing shaft 132.
In the double winding step, the curl portion of the lid F is wound around the flange portion of the can C by the seaming roll 451 for primary winding, and then crimped and joined by tightening with the seaming roll 452 to maintain the seal. Perform secondary winding.

As shown in FIG. 3, the lid supply device 104 cuts out the lids F, F, ... It has a lid separation unit (container member separation unit) 210 and a lid transport turret 250 having a pocket P for transporting the cut out lid F onto the can C.
The lid transport turret 250 is rotated in the clockwise direction (direction indicated by the arrow B in FIG. 3) when viewed from above.
The lid separation unit 210 has two cutouts, as shown in FIG. Note that FIG. 4 is a perspective view seen from the direction of arrow A in FIG. 3, and in order to make it easier to understand the configuration of the lid supply device 104, the passage 215 and the like are omitted, and the lids F, F, ... Only the bottommost lid Fa is shown.
One of the cutout portions is integrally formed on the upper outer periphery of the lid transport turret 250, spirally extends along the locus of the edge of the lowermost lid Fa, and engages with the edge of the lowermost lid Fa. It is composed of a cutting groove 251. The lower end of the cutout groove 251 corresponds to the position of the pocket P of the lid transport turret 250. A separator knife 252 is provided at the upper end of the cutting groove 251 to cut between the lowermost lid Fa and the lid F stacked immediately above the lid F and guide only the lowermost lid Fa into the cutting groove 251. ing. The separator knife 252 may be configured by a protrusion on the upper end wall of the cutout groove 251 and, as shown in FIGS. 3 and 4, on the main body 250a of the lid transport turret 250 in which the cutout groove 251 is formed. It may be composed of the peripheral edge of the plate 250b provided by screwing or the like.
The cutout groove 251 and the separator knife 252 are each provided with the same number (12 in FIG. 1) corresponding to the number of pockets P of the lid transport turret 250.
The other side of the cutout portion is provided on the lid cutout roll 220 that rotates on a rotation axis extending substantially vertically at the lower ends of the lids F, F, ... Stacked in the passage 215.
The lid cutting roll 220 is rotated in the clockwise direction (direction indicated by the arrow C in FIG. 3) when viewed from above. The rotation speed is preferably set so that the outer peripheral speed of the lid cutting roll 220 is close to or matches the outer peripheral speed of the transport turret 250.
The outer circumference of the lid cutting roll 220 is provided with a cutting groove 221 that spirally extends along the trajectory of the edge of the lowermost lid Fa sent in an arc and engages with the edge of the lowermost lid Fa. The other side of the cutout portion is formed by the cutout groove 221. A separator knife 222 is provided at the upper end of the cutting groove 221 to cut between the lowermost lid Fa and the lid F stacked immediately above the lid F and guide only the lowermost lid Fa into the cutting groove 221. ing. The separator knife 222 may be formed by a protrusion on the upper end wall of the cutting groove 221 and, as shown in FIGS. 3 and 4, the roll body 220a of the lid cutting roll 220 on which the cutting groove 221 is formed. It may be composed of the peripheral edge of the plate 220b provided on the top by screwing or the like. The separator knife 222 is arranged at the same height (on a horizontal plane) as the separator knife 252 of the lid transport turret 250.
The inclination angles and lengths of the spirals of the cutout grooves 221,251 constituting each cutout portion are the same as each other, and the lengths of the cutout grooves 221,251 are the intervals at which the lids F are conveyed, that is, the intervals between the pockets P. It is said that the length is based on.
The number of cutout portions is not limited to two, and may be three or more. For example, when there are three cutout portions, the lid F can be cut out by each cutout groove 221 of the two lid cutout rolls 220 and the cutout groove 251 of one lid transport turret 250.
Further, in the lid cutting roll 220 shown in FIGS. 3 and 4, two cutting grooves 221 are provided for each lid cutting roll 220, but one may be used, and three or more cutting grooves may be provided. You may.

The basic operation of the winding device 100 configured as described above will be described.
The can C before the lid F is wound is engaged with each attachment 103 of the carry-in conveyor 102 and conveyed, and heads toward the seaming turret 101 rotated by the drive mechanism 151 of the seaming turret 101.
On the other hand, the lid F is cut out one by one from the lid separation unit 210 and delivered to each pocket P of the lid transport turret 250, and is directed toward the seaming turret 101 by the rotation of the lid transport turret 250 (see FIG. 1).
The speed and timing of the carry-in conveyor 102 and the lid transport turret 250 are adjusted according to the speed and timing of the seaming turret 101 so that the centers of the can C and the lid F coincide with each other at the confluence point G. A can mounted on a plate 360 by raising a can mounting unit 350 whose rotation is controlled from a drive mechanism 151 to which power is applied from a source via an appropriate gear, a cam mechanism, etc. at a confluence point G. Place the lid F on C.
After that, the can mounting unit 350 is further raised, the knockout pad 322 in the chuck 321 presses the lid F, and the chuck 321 whose rotation is controlled from the drive mechanism 151 via an appropriate gear, cam mechanism, etc. is attached to the lid F. The can C is fitted and centered on the lid F, and the can C on which the lid F is placed is sandwiched between the plate 360, the chuck 321 and the knockout pad 322 with a constant axial load required for winding.
Then, the seaming turret 101 further rotates, and the plate 360 and the chuck 321 accelerate to the rotation speed required for winding before the sandwiched lid F and the can C reach the winding section E shown in FIG.
For primary winding, which is pivotally attached so as to swing the seaming lever 450 fixed to the lower end of the roll swing shaft 132 of the seaming unit 410 and rotate at both ends while passing through the winding section E. Double winding is performed by sequentially pressing two seaming rolls 451 and 452 for secondary winding from the side toward the chuck 321 against the flanges of the can C and the lid F placed on the can C. ..
The can CM that has been wound is delivered from the seaming turret 101 to the discharge turret 107, and further delivered from the discharge turret 107 to the unloading conveyor 108, and is carried out to the next process such as inspection and packing.

In the lid supply device 104, the lid transport turret 250 and the lid cutting roll 220 are connected from the drive mechanism 151 of the seaming turret 101 via a known power transmission mechanism such as an appropriate gear, belt, chain, cam, etc., if necessary. The rotational power may be transmitted and the rotation may be controlled, or the rotational power may be transmitted and the rotation may be controlled by a drive source different from the drive source that applies the power to the drive mechanism 151.
The basic operation of the lid supply device 104 is as follows.
As shown in FIG. 4, the lids F, F, ... As the lid cutting roll 220 rotates in the direction of arrow C, one end edge of the lid Fa at the lowermost end engages with the separator knife 252 of the cutting groove 251 of the lid transport turret 250, and the other end opposite to the one end edge. The edge engages with the separator knife 222 of the cutting groove 221 of the lid cutting roll 220, and these lid transport turrets 250 and the lid cutting roll 220 are rotationally driven in synchronization with each other, so that the lid F other than the lowermost lid Fa , F, ... Are guided by the separator knife 222,252 to the cutout groove 251 of the lid transport turret 250 and the cutout groove 221 of the lid transport turret 220. The lid Fa guided by the cutout groove 251 and the cutout groove 221 is sent down to the pocket P of the lid transport turret 250 while maintaining a substantially horizontal posture along each of the cutout groove 251 and the cutout groove 221. In this way, the stacked lids F are supplied one by one to the pockets P of the lid transport turret 250 in order from the lowermost lid Fa.

Since it is not necessary to arrange a large number of closure cutting rolls around the lid separation unit 210, the structure of the lid supply device 104 as described above can be simplified as compared with the conventional case, and therefore, it can be easily disassembled at the time of cleaning. It is possible to obtain good workability such as being able to perform cleaning and being able to wash without disassembling. Further, when only one lid cutting roll 220 is arranged in addition to the lid transport turret 250, the structure can be simplified and the manufacturing cost can be reduced. Further, the pocket P of the lid transport turret 250 has a cutout groove 251 on the lid transport turret 250 side, and maintains a posture substantially parallel to the lids F, F, ... Even if one or a small number of lid cutting rolls 220 are provided, the flange of the lid F may be damaged when the lid F is cut out, or the lid may be damaged, as compared with the one-screw type lid supply device. It is possible to suppress the generation of wear debris of F.

Although the embodiment of the present invention has been described in detail above, the present invention is not limited to the above embodiment, and various design changes can be made without departing from the present invention described in the claims. Is.
For example, the container member is not limited to the lid F to be wound around the can C, and may be any container member having a flange on the peripheral edge. Examples of the container member having a flange on the peripheral edge include a cup-shaped container having a curl portion on the peripheral edge. In this case, the cup-shaped container is guided to the pocket of the container member transport turret while the curl portion on the peripheral edge maintains a substantially horizontal posture.
Further, the material of the container member is not limited to metal, and may be plastic, paper, wood, or the like.

100 ・ ・ ・ Winding device 101 ・ ・ ・ Seaming turret 102 ・ ・ ・ Carry-in conveyor 103 ・ ・ ・ Attachment 104 ・ ・ ・ Closure supply device 107 ・ ・ ・ Discharge turret 108 ・ ・ ・ Carry-out conveyor 109 ・ ・ ・ Center shaft 132 ・ ・ ・ Roll swing shaft 151 ・ ・ ・ Drive mechanism 210 ・ ・ ・ Closure separation unit 215 ・ ・ ・ Passage 220 ・ ・ ・ Cover cutting roll 220a ・ ・ ・ Roll body 220b ・ ・ ・ Plate 221 ・ ・ ・ Cutting groove 222 ・ ・ ・ Separator knife 250 ・ ・ ・ Closure conveyor turret 250a ・ ・ ・ Main body 250b ・ ・ ・ Plate 251 ・ ・ ・ Cutting groove 251 ・ ・ ・ Separator knife 320 ・ ・ ・ Chuck unit 321 ・ ・ ・ Chuck 322 ・ ・ ・Knockout pad 323 ・ ・ ・ External gear 324 ・ ・ ・ Sun gear 350 ・ ・ ・ Can mounting unit 360 ・ ・ ・ Plate 410 ・ ・ ・ Seaming unit 450 ・ ・ ・ Seaming lever 451 ・ ・ ・ Seaming roll (primary winding) Closure)
452 ・ ・ ・ Seaming roll (secondary winding)
520 ・ ・ ・ Closure cut-out roll 521 ・ ・ ・ Cut-out groove 522 ・ ・ ・ Stopper 525 ・ ・ ・ Gear 526 ・ ・ ・ Internal gear 550 ・ ・ ・ Closure transport turret 620 ・ ・ ・ Closure cut-out roll 621 ・ ・ ・ Cut-out groove 622 ・ ・ ・ Stopper 650 ・ ・ ・ Cover transport turret C ・ ・ ・ Can (before tightening the lid)
F, Fa ・ ・ ・ Closure CM ・ ・ ・ Can (after tightening the lid)
P ・ ・ ・ Pocket E ・ ・ ・ Winding section X ・ ・ ・ Central axis

Claims (4)

A container member supply device provided with a container member separation unit that supplies one container member having a flange on the peripheral edge to the pocket of the container member transport turret.
The container member separation unit has a plurality of cutout portions, and one of the plurality of cutout portions is formed from a cutout groove that engages with a flange of the container member integrally provided on the upper outer periphery of the container member transport turret. A container member supply device characterized by being configured. The container member supply device according to claim 1, wherein the cutout portion is two, and one of them is composed of a cutout groove that engages with a flange of the container member provided on the outer periphery of the cutout roll. .. The container members are fed downward in a state in which a plurality of the container members are stacked in the vertical direction, and the container members sent downward are placed in the pockets of the container member transport turret while maintaining a substantially horizontal posture. The container member supply device according to claim 1 or 2, wherein the container member supply device is characterized. The container member supply device according to any one of claims 1 to 3, wherein the container member is a lid for winding a can.

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