JPH0769315A - Apparatus for packing sandwich into wrapping bag - Google Patents

Abstract

PURPOSE:To provide a hygienic apparatus fro packing sandwiches into a wrapping bag without manpower. CONSTITUTION:An apparatus for packing sandwiches into a packing bag 1 comprises a packing bucket 15, a bag collector 17 and a vacuum sucking device 19 for taking out the packing bags 1 one by one from the bag collector 17 and at the same time mounting a work. The packing bucket 15 comprises a rotatable bucket body 23 which can be also reciprocated back and forth and a pressing plate 25 which constitutes a part of a perpendicular side of the bucket body 23 and can be reciprocated back and relatively with the bucket body 23.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for loading a sandwich in a packaging bag when packaging the triangular sandwich in a transparent film bag (hereinafter referred to as "packing bag"). Especially when mechanizing sandwich packaging,
The present invention relates to a packaging bag sandwiching apparatus suitable for loading a work on a conveyor when carrying out each processing on a work (sandwich loaded in a packaging bag) on the conveyor.

[0002]

2. Description of the Related Art In the conventional packaging of triangular sandwich packaging bags, manual work has been the mainstream. However, it is not desirable from the viewpoint of hygiene and the productivity is poor. For this reason, the sandwich packaging apparatus having the following configuration is
No. 0202 is proposed.

"A conveyor is provided in which a loading bucket for inserting and inserting a bag containing a triangular sandwich is rotatably supported, and a surplus portion formed on the opening side of the bag is attached to the front side of the conveyor. A folding mechanism that is sequentially folded from each side surface, a back surface side, a sealing mechanism that cuts a seal tape for sealing one piece and is stuck by the folding mechanism by the folding mechanism, and a sealed sandwich package body. A packaging machine for sandwiches, wherein a label attaching mechanism for reversing and attaching a label at a predetermined position is arranged in the order of the traveling direction of the conveyor. "

[0004]

However, the packaging device described above does not disclose that the packaging bag is mechanically loaded, and it is necessary to do it manually.
Problems in hygiene and productivity tend to occur.

In view of the above, it is an object of the present invention to provide a sandwich bag loading device for a packaging bag, which can hygienically load a sandwich in a packaging bag without requiring manual labor.

[0006]

The sandwich loading device for a packaging bag according to the present invention solves the above problems by the following constitution.

A device for loading sandwiches in a packaging bag, which comprises a loading bucket, a packaging bag accumulator, and vacuum suction for picking up the packaging bags one by one from the packaging bag accumulator and at the same time placing a work on the packaging bag. And a reciprocating reciprocating movement relative to the loading bucket main body, wherein the loading bucket constitutes a rotatable and reciprocating front and rear reciprocating bucket main body, and a part of a vertical side of the bucket main body. It is characterized by comprising a possible holding plate.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Here, a case where the sandwich loading device is applied to a sandwich packaging device as shown in FIGS. 2 to 3 will be described as an example. However, the application of the sandwich loading device of the present invention is not limited to the case of this embodiment.

A. The sandwich packaging device of this embodiment,
Basically, a sandwich having a substantially right triangle shape, that is, a work 5 loaded in a packaging bag 1 (as shown in FIG. 1).
7 and a sandwich loading means A and a work drawing-in means B, which are arranged opposite to each other on both sides of the work loading position of the conveyor 7, and the conveyance direction of the conveyor A on the same side as the sandwich loading means A. A welding seal / surplus part cutting means C, a bag flap part folding means D, a sealing tape sticking means E, and a work discharging means F (see FIGS. 2 and 3). Next, the conveyor and each means will be described in detail.

In the illustrated example, sandwich loading means A
Two sets of the work drawing means B and the work drawing means B are provided, but one set may of course be used. Further, although the driving means in each means is not specified, a crank / cam mechanism, an air cylinder or the like is usually used as the driving means.

(1) The conveyor 7 has a grounding portion 9 that is in contact with the bottom of the work 5 and a holding plate pair 1 that holds both sides of the triangle.
A large number of bucket portions 13 formed of 1 and 11 are provided,
The opening of the packaging bag 1 is positioned on one side so that it can be transported (see FIG. 5).

Here, the conveyor 7 includes a pair of holding plates 11, 1
1 is connected to a driving mechanism capable of differentially moving each other, and a sandwiching plate pair 1
The distance between 1 and 11 can be adjusted. Specifically, as shown in FIG. 5, a pair of chain conveyors 7 a, 7 driven by a pair of sprockets 14 capable of differential driving and synchronous driving.
a, the sandwiching plate pairs 11 and 11 are flange portions 11a and 11a.
Are connected separately via. Further, it is desirable from the viewpoint of workability of drawing in the work that the work drawing-in side of the sandwiching plate pair 11 is opened in a tapered shape as shown in FIG.

Although it is not inevitable, when the work 5 may be pushed out to the other side of the conveyor 7 (the side opposite to the work drawing side), a rotatable work holding member as shown in FIG. It is desirable to dispose 20 (having a pressing roller 20a on the lower surface).

(2) The sandwich loading means A comprises a loading bucket 15, a packaging bag integrator 17, and the packaging bag integrator 1
It is composed of a vacuum suction device 19 capable of moving the packaging bags one by one and holding the sandwich loading bag at the same time, and an air blowing device 21 for inflating the packaging bag 1 when the packaging bag 1 is taken out. And the loading bucket 15 is
Loading bucket body 2 that is rotatable and can move back and forth
3 and a holding plate 25 that constitutes a part of the vertical portion of the loading bucket main body 23 and is capable of moving the loading bucket main body 23 back and forth relatively (see FIGS. 4 and 5).

Specifically, the loading bucket 15 is shown in FIG.
In a triangular shape as shown in FIG. 3, the traveling rail 29 is rotatably held by a traveling frame 29 via a bracket 31 and is movable back and forth. Further, the bracket 31 has a curved groove cam 3 which is curved downward on the retreating side.
It is connected to the driven wheel 33 running on the vehicle 1 through the L-shaped arm 35, and the loading bucket 15 can be raised from the inclined state to the horizontal state by advancing from the retracted state. Further, a horizontal wheel 39 that travels on a rail 37 connected to the push plate 25 is formed on the lower surface of the L-shaped arm 35 so that the loading bucket main body 23 and the press plate 25 can move relative to each other. The loading bucket body 23
It is desirable that the length be adjusted in the width direction as a two-piece structure. For example, as shown in FIG. 6, the bucket plate 2
4 and 26 are connected to the long hole 28 by the overlapping flange portions 24a and 26a. In the figure, 22 is a support bracket.

The packaging bag accumulator 17 is arranged at the forward position of the loading bucket 15, that is, immediately above the sandwich loading portion, and the stacking bar 3 is provided inside the take-out port 17a.
A pair of protrusions 9 are provided, and both sides of the opening-side fin portion 1a of the packaging bag 1 are skewered and can be held. At this time, it is desirable to use, as the opening-side protruding portion 1a of the packaging bag 1, one having a pair of holding holes 1b that are easily broken at perforations (see FIG. 1).

The vacuum suction device 19 is disposed below the packaging bag integrator 17, and is provided with a plurality of suction cups on a suction cup holding plate 43 connected to the tip of a vertically reciprocating drive member 41 provided obliquely. This is a configuration in which 45 is held. 44
Serves as a mounting table when the sandwich is loaded.

The air blowing nozzle 45 is arranged at a position facing the air opening side of the packaging bag when the vacuum suction device 19 descends.

(3) The sandwich pull-in means comprises a reciprocating member having a chuck portion 48 for gripping the tip fin portion 1a of the packaging bag 1. Specifically, the chuck portion 48 includes a holding portion 49 that is operated by the air cylinder 47.

(4) The welding seal / surplus part cutting means is a pair of pleating members 5 for opening the opening edge of the packaging bag 1 up and down.
1, 52 (see FIG. 7), a welding tool 55 for welding in the retracted state of the pleating members 51, 52, and a cutting blade 57 for cutting the outside of the weld seal portion (see FIG. 7).
Here, the welding tool 55 has a pinch, and its operating rod 5
9 is advanced and closed, and it is opened by retreating. In the illustrated example, the resistance heating element 54a is a thermal welding tool embedded in the welding head 54, but it may be an ultrasonic / high frequency welding tool or the like. In the illustrated example, 50 is a guide rod for the pleating members 51, 52. In order to reduce the impact during welding, one of the welding heads 54 is a separate body,
It is screwed to the body side via a disc spring 53. Further, the cutting blade 57 can be cut by using the welding head portion 54 of the welding tool 55 as a receiving member. The cutting blade 57 is urged by a spring 58 in the returning direction and can be driven by a hitting lever 60.

(5) The flap part folding means D is a fixed horizontal folding plate 61 having a height for tilting the flap part while guiding it in a direction opposite to the advancing direction, and an upper and lower part for pushing down the upper flap part while lowering it. An upper folding movable plate 63 capable of reciprocating movement, an introduction slanted line portion 65a that is tilted upward while guiding the lower flap portion, and is formed continuously with the introduction slanted line portion 65a, and is continuous until just before the site where the sealing tape attaching means E is disposed. The lower folding fixing plate 65 is provided with a horizontal portion 65a, and the upper folding holding plate 67 is disposed above the lower folding fixing plate 65. The upper foldable plate 63 is driven by a vertical reciprocating drive device 64.

(6) The sealing tape sticking means E comprises a first sticking device 69 and a second sticking device 71 arranged on the side of the first sticking device 69 in the work conveying direction (FIG. 2).・ See 3).

The first sticking device 69 is composed of a tape roll 73 that can move up and down and a pressing head 75 made of a polymer elastic body that presses the lower end of the tape roll 73 to a predetermined position of the folding overlapping portion of the packaging bag. And a cutting blade 79 mounted on the roll base 77 of the tape roll 73 and a tape curving prevention member 81 (FIG. 10). Here, the tape curving prevention member 81 includes a pedestal 85 that receives the non-adhesive surface side of the tape T and curls and bulges in the width direction, and a gate-side pressing bar 87 that presses the adhesive surface side of the tape (FIG. 11). Further, although not necessarily on the pressing surface of the pressing head 75,
In order to secure the tape pressing, it is desirable to form a pressing needle or a pressing convex portion.

The second sticking device 71 sticks a tape T that is vertically reciprocally movable and pushed up from below, and is equipped with a sticking roller 83 (see FIG. 12). The sticking roller 83 is urged in the tape pressing direction by a spring 89 shown in the figure, and is held at one end of a rotary lever 93 where a driven roller 91 is held at the other end, and a plate cam 95 as shown in the figure. It tilts in the tape pressing direction (see FIG. 12).

(7) The work unloading means F is equipped with a push-out discharge plate 97 which is reciprocally movable in the front-rear direction and is arranged so as to be pushed out while pressing the inclined surface of the work 5 (see FIG. 13). Here, although not necessarily required, it is desirable that the extrusion discharge plate 97 be provided with a vacuum suction disk 99 on the upper side thereof. The forward and backward reciprocating movement is performed by a traveling block 103 that runs the guide rod 101 in the longitudinal direction.

B. Next, a usage mode of the above-mentioned embodiment will be described.

(1) First, as shown by the chain double-dashed line in FIG. 4, sandwiched manually or mechanically in the loading bucket 15 which is in the retracted position guided by the curved groove cam 31 and whose opening surface is substantially horizontal. Turn on 3.

(2) In the above state, the suction cup 45 of the vacuum suction device 19 is raised to adsorb the packaging bag 1 to the suction cup 45 as shown by the chain double-dashed line in FIG. 5, and the suction cup 45 is lowered in that state. At this time, since the open end side fin portion 1a of the packaging bag 1 is held by the stacking rod 39, the packaging bag 1 is set at the sandwich loading position while opening. In this state, it is desirable to blow air from the air nozzle 45 into the bag so that the bulge is complete.

In this state, the entire loading bucket 15 loaded with the sandwich 3 is advanced. Then, the loading bucket 15 is guided by the curved groove cam 31 to change from the inclined state to the upright state and enters the packaging bag 1 (FIG. 4).
・ See 5).

In this state, the loading bucket body 23 is retracted. At this time, as shown in FIG. 5, the holding plate 25 stays in the original position until the bucket body 23 is separated from the sandwich 3 by a stopper or the like (not shown), and then the stopper or the like is released and retracts together with the bucket body 23. Therefore, there is no possibility that the sandwich 3 will be held in the loading bucket 15 and pulled out from inside the bag as the loading bucket 15 retracts.

(3) In this way, the sandwich 3 in the packaging bag 1
After releasing the vacuum suction of the suction cup 45, the chuck portion 48 of the work drawing means B is advanced to the closing side fin portion 1c of the packaging bag 1. Then, the air cylinder 4
7 to operate the holding portion 49 to close the fin 1 on the closing side of the packaging bag 1.
C is gripped, the chuck portion 48 is retracted in that state, and when it reaches the set position on the conveyor 7, the grip is released. In this way, the loading of the work 5 onto the conveyor 1 is completed.

(4) Next, the conveyor 1 is moved to convey the work 5 to the welding seal cutting site. Therefore,
The pleating members 51 and 52 are moved forward to open and close the edge of the opening of the packaging bag 1 vertically as shown by the chain double-dashed line in FIG. Then, the pleating members 51 and 52 are retracted, the welding instrument 55 is advanced to a predetermined position, and the welding head portion 54 holds the welding instrument 55 to weld and seal the opening of the packaging bag 1.
In this state, the cutting blade 57 is hit by the hitting lever 60 to move it forward to cut the outside of the welded seal portion. Then, the cutting blade 57 is retracted, and the welding instrument 55 of the welding seal / remaining cutting means is opened and retracted.

(5) After this welding seal is completed, the work 5 is conveyed by the conveyor 7. Then, first, the lateral folding fixing plate 61 tilts the flap portion F while guiding it in a direction opposite to the traveling direction. After that, the conveyor 7 is stopped, the upper folding movable plate 63 is lowered by the vertical reciprocating device 64, and the upper flap portion Fu is pushed down while being pushed down. After that, the upper folding movable plate 63 is raised and the conveyor 7 is moved again. Then, the lower folding fixing plate 65 is tilted upward while guiding the lower flap portion Fl by the oblique line portion 65a. At this time, the upper folding is held by the upper folding holding plate 67, and the lower folding is held by the horizontal portion of the lower folding fixing plate 65 until the sealing tape is adhered.

(6) When the work 5 reaches the sealing tape adhering portion, the conveyor 7 is temporarily stopped, the tape roll 73 is lowered, the sealing tape T is fed out from the tape roll 73, and the lower end thereof is folded to form a superposition section. To the predetermined position (at first, manually, and later at the pressing head 75). Subsequently, the tape roll 73 is raised to the position indicated by the chain double-dashed line in FIG. 9 (that is, the cutting length), and the cutting blade 7
The sealing tape T is cut by rotating 9. At this time,
The adhesive tape side of the sealing tape T is prevented from curving by the tape curving prevention member 81.

Then, the conveyer 7 is moved again, conveyed to the site of the second sticking device 71, and stopped. At that portion, the sealing tape T is pressed while pressing the sealing tape T from below while guiding the sticking roller 83 with the plate cam 95.

(7) When the conveyor 7 is moved again to convey the work 7 to the work discharge position, the push-out discharge plate 97 is moved forward and brought into contact with the inclined surface of the work 5. At this time, pulling the upper end of the work 5 with the suction disk 99 is
It is desirable because it can prevent the lower surface of the sticker from sticking to the surface of the conveyor 7. Then, the extrusion discharge plate 97 is further advanced to discharge the work 5. Then, the extrusion discharge plate 97 is retracted and returned to the original position.

[0037]

The sandwich loading device for a packaging bag according to the present invention has the following effects due to the above configuration.

The sandwich can be loaded into the packaging bag mechanically without manpower. Therefore, the sandwich can be loaded into the packaging bag in a hygienic manner without the need for manpower, and the sandwich can be packaged as a whole with good productivity.

[Brief description of drawings]

FIG. 1 is a rear view of a packaging bag used for sandwich packaging of the present invention.

FIG. 2 is an overall schematic plan view of the sandwich packaging device of the present invention.

[FIG. 3] Similarly, an overall schematic side view

FIG. 4 is a main part view of a sandwich loading means in the sandwich packaging device of the present invention.

FIG. 5 is a main part view of a work drawing means in the sandwich packaging device of the present invention.

FIG. 6 is a rear perspective view of an essential part of the loading bucket of FIG.

FIG. 7 is an explanatory view of a pleating member which is also used for welding and sealing.

FIG. 8 is a plan view of the main part of the welding tool.

FIG. 9 is a principal part diagram of the bag flap folding means.

FIG. 10 is a principal part diagram of the first attaching device of the sealing tape attaching means.

11 is a sectional view taken along line XI-XI of FIG.

FIG. 12 is a main part diagram of a second sticking device of a seal sticking means in the sandwich packaging device of the present invention.

FIG. 13 is a principal part diagram of the work unloading means.

[Explanation of symbols]

 1 Packaging Bag 3 Sandwich 5 Work 7 Conveyor 11 Clamping Plate 13 Conveyor Bucket 15 Loading Bucket 17 Packaging Bag Accumulator 19 Vacuum Suction Device 23 Bucket Main Body 25 Holding Plate A Sandwich Loading Means B Work Pulling Means C Welding Seals / Remainder Cutting means D Bag flap folding means E Seal tape sticking means F Work discharging means

Claims (2)

[Claims] 1. A device for loading a sandwich into a packaging bag, which comprises a loading bucket, a packaging bag accumulator, and a package bag taken out from the packaging bag accumulator at the same time as the work is placed. A vacuum suction device, wherein the loading bucket is rotatable and can reciprocate back and forth, and constitutes a part of a vertical side of the bucket body, and is relatively forward and backward relative to the loading bucket body. A sandwich loading device for a packaging bag, comprising a reciprocating presser plate. 2. The sandwich loading device for a packaging bag according to claim 1, wherein a width of the loading bucket is adjustable.