JPH10175615A - Device and method for bagging - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a product-bagging process automatic, and reduce the time and cost by providing a setting means for setting bags one by one, and an opening section-widening means for widening opening sections of bags to be set and an inserting means for inserting products into the widened opening sections. SOLUTION: In the case of stuffing a finished product 1 into a bag with its three sides sealed, and packaging and carrying the product 1 into a point A by a belt conveyor 101, a pusher is moved along a guide to deliver the product 1 to a point B and carry the same. On the other hand, bags 3 piled up flatly on a bagging section 200 are set horizontally on a point C one by one, and then an opening section 3a of the bag 3 is opened to fill the product 1 on the point B into the bag 3. A bagged product 5 is carried to a point E (deaeration-sealing section 300) through a point D, deaerated and sealed thereon and delivered to a following process (packing or the like). A desiccant is placed on the product 1 by a transfer device provided on the point B on a delivery section 100.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and a method for packing articles in a bag having an opening.

[0002]

2. Description of the Related Art As one of the packaging methods of articles, a method of packing a completed article in a bag sealed on three sides and packaging the article. For example, semiconductor products such as ICs are manufactured on a production line and then put together on a tray (flat container), a plurality of the trays are stacked and bundled, and the bundled trays are sealed on three sides. Aluminum composite laminate bag, and then degassed, sealed and packed. The packaged items are further assembled, packed in a cardboard box or the like, packed and shipped.

[0003]

In the conventional packaging method, articles are bagged manually. Therefore, there is a problem that it takes time and cost. In addition, since the production line and the packaging line are separated from each other by hand, there is a problem that the efficiency of the entire process cannot be improved.

Accordingly, an object of the present invention is to reduce the time and cost by automating the bagging process of articles, which has conventionally relied on manual labor. It is another object of the present invention to increase the efficiency of the entire process by automatically connecting a production line and a packaging line by automation.

[0005]

In order to solve the above-mentioned problems, in the present invention, a setting means for setting bags one by one, an opening expanding means for expanding an opening of the set bags, and The bag packing device is constituted by the insertion means for inserting the article into the opening.

As the opening expanding means, a suction means can be used, and the opening of the bag can be sucked and expanded by the suction means.

Further, an opening maintaining means for maintaining the opening widened by the opening expanding means may be provided. The opening maintaining means is configured to insert the plurality of plate materials into the opening and widen the opening to maintain the opening in a widened state, and insert the article into the bag from between the plurality of plate materials by the inserting means. it can.

[0008] The present invention also provides a novel method of packing articles in a bag having an opening. That is,
In the method of the present invention, the bags are set one by one, the opening of the set bag is sucked and spread, the widened opening is maintained, and an article is inserted from this opening to complete the bag packing. I do. In this case, the article can be inserted into the bag from between the plurality of plate materials by maintaining the opened state by inserting the plurality of plate materials into the opening and expanding the opening.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. Here, a fully automatic bag-filled degassing and sealing device employing the device and method according to the present invention will be described as an example.

FIG. 1 is a plan view showing the entire apparatus, and FIG. 2 is an explanatory view showing the flow of articles in the apparatus. First, the outline of the apparatus will be described.
, A bag filling section 200 and a degassing seal section 300. The article 1 is transported to the point A by the belt conveyor 101 in the loading section 100, and further transported to the point B therefrom. The article 1 is, for example, a product in which a plurality of semiconductor products such as ICs manufactured in a production line are collectively placed on a tray (flat container), and the trays are piled up and bundled.

In the bag filling section 200, the bags 3 are stacked in a magazine, and are conveyed one by one to a point C and set horizontally. At the point C, the opening 3a of the bag 3 is expanded, and The article 1 at the point is filled in the bag 3. The bagged article 5 passes through the point D to the point E (the deaerated sealing section 30).
0), where it is degassed and sealed, and then carried out to the next step (packaging, etc.).

The bag 3 comprises a resin layer, an aluminum layer,
This is an aluminum laminated bag formed by laminating thermoplastic resins and the like. Heat sealing is performed by heating and melting the thermoplastic resin applied inside.

Next, the configuration of each section will be described in more detail. In the loading section 100, the pusher 103 is set at the point A.
Is provided (FIG. 1), and the pusher 103 moves along the guide 105 to send out the article 1 to the point B. At point B, the desiccant 7 is placed on the article 1 by the transfer device 107. FIG. 3 is an enlarged side view of the transfer device 107. The transfer device 107 has an arm 109. At the tip of the arm 109, a suction tube 111 for sucking the desiccant 7 is provided. Attached to. Arm 1
09 is moved up and down by a cylinder 115,
Is rotated by a cylinder 119 via a rod 117.

The desiccant 7 is stored in the feeder 121 (FIG. 1) and supplied to the passage 123 one by one.
Is lifted and moved to the passage 123 to adsorb the desiccant 7, and then move to the point B on the article 1. Then, the arm 109 is lowered, the suction is released, and the desiccant 7 is placed on the article 1.

In the bag filling section 200, a setting device 201 is provided as setting means for setting bags one by one. The setting device 201, as shown in FIG.
Magazine 203 fixed to a frame and bags 3 stacked flat
And a suction plate 207 having a plurality of suction ports 205 for sucking the bag 3. The suction plate 207, together with a lower suction portion 259, which will be described later, constitutes an opening expanding means for expanding the opening of the set bag. The suction plate 207 is connected to the support part 211 by a support pipe 209 also serving as a vacuum pipe, and a bag expanding cylinder 213 and a bag vertical movement cylinder 215 are connected to the support part 211 in series.
The cylinder 215 is attached to a slider 217, and the slider 217 is a guide 219 extending to a point C.
Is slidably mounted on. The slider 217 is driven by the bag side-feed cylinder 221, whereby
The suction plate 207 reciprocates between the magazine 203 and the point C.

FIG. 5 is a side view of the bag packing unit 200. In the bag packing unit 200, a moving table 223 for cutting the article 1 is provided at a point B, and the bag packing tables 225 and 22 are provided at a point C.
7, 229 are arranged, and the moving table 223 and the bagging table 225 are arranged.
Between them, a bag spreading upper plate 231 and a bag spreading lower plate 233 which are a plurality of plate members as opening maintaining means are respectively arranged. The number of plates 231 and 233 as opening maintaining means is not limited to two, and may be more than two. For example, it may be composed of a total of four plate members, two plate members extending the opening vertically and two plate members extending in the left-right direction. In other words, another configuration may be used as long as the widened opening is maintained.

The moving table 223 and the plate members 231 and 233 are both attached to the moving plate 235 to form one unit (bag spreading unit 236), and this unit 236 reciprocates between B and C by a bag spreading unit cylinder 237. Move. A cylinder 224 is disposed below the movable table 223. The cylinder 224 slides the side plate 223a of the movable table 223 according to the size of the article 1, and positions the article 1 at a point B.

FIG. 6 shows plate members 231 and 231 as opening maintaining means.
233 is viewed from the B point side. A front plate 239 and side plates 241 and 243 are attached to the moving plate 235, and a cylinder 245 for moving the bag spreading lower plate 233 up and down is attached to the front plate 239. ing. The side plates 241 and 243 are provided with cylinders 249 and 251 for vertically moving a plate 247 to which the bag spreading upper plate 231 is attached.

The article at the point B is pushed out in the direction of the point C by the pusher 253. The pusher 253 is driven by the auxiliary pusher cylinder 255, and the auxiliary pusher cylinder 255 is driven by the main pusher cylinder 257 (see FIG. 1).

On the upper surface of the bag stuffing table 225, a lower suction portion 259 having a plurality of suction ports is provided.
The lower side of the opening 3a is sucked. In addition, each bag 2
25, 227, 229, the feed bars 261, 26
3 are arranged. FIG. 7 is a view of FIG. 5 as viewed from the side of the bag table 229. The feed bars 261 and 263 are both connected to the article lifter cylinder 265 and thereby move up and down. The lifter cylinder 265 is moved in the direction from the point C to the point D by the article lateral feed cylinder 267. The operation of the cylinders 265, 267 causes the feed bars 261, 26
3 repeatedly moves up, moves sideways in the direction of point E, moves down, and moves sideways in the direction of point C, and moves the article 5 from point C to point D and from point D to point E.

Next, the operation of the bag filling section 200 will be described. FIG. 8 is a time chart showing the operation of the cylinder and the like of the bag filling section 200, which will be described below with reference to FIG. First, the suction plate 207 moves to the point C while sucking one bag 3 by the operation of the bag lateral feeding cylinder 221 (FIG. 8A, hereinafter simply abbreviated as “FIG. A”). After moving to the point C, the bag vertical movement cylinder 215 is lowered (FIG. B), the suction plate 207 is lowered, the lower suction part 259 is activated (FIG. D), and the bag spreading cylinder 213 is raised (FIG. C). .
Thereby, as shown by the chain line in FIG. 5, the opening 3a of the bag 3 is widened by the suction plate 207 and the lower suction portion 259. Next, the bag spreading unit 236 advances (FIG. E).
At this time, the bag spreading upper plate 231 and the lower plate 233 are both closed as shown in FIG. 5 (FIGS. F and g). Thereafter, when the upper plate 231 and the lower plate 233 are both inserted into the opening 3a, the plates 231 and 233 are opened (FIGS. F and g).
Main pusher cylinder 257, sub pusher cylinder 255
Are advanced together, the article 1 is filled into the bag 3, and then both pusher cylinders 257, 255 are retracted again (FIGS. H, i). During this time, the bag vertical movement cylinder 215 rises (FIG. B), the bag lateral feed cylinder 221 is driven to return the suction plate 207 to the magazine position (FIG. A), and then the bag vertical movement cylinder 215 descends and rises (FIG. FIG. B), suction plate 20
7 sucks the next bag and stands by at the magazine position.

After the bag spreading plates 231 and 233 are inserted into the bag 3, the bag spreading plates 231 and 233 are driven by a cylinder so as to continuously pull the opening 3a of the bag 3 in the vertical direction.
Because it is in a state of being overwhelmed by 1,233,
Even if an article is inserted into the bag 3, the bag 3 is not
It is stopped by 3 and does not come off.

According to the above-described method, the bag filling which has conventionally depended on manual labor can be automatically performed, and the time and cost can be reduced. In particular, since the bags are set one by one to pack the articles, the articles flowing from the production line can be received as they are, and the production line and the packaging line are directly connected to realize the efficiency of the entire process. be able to.

Further, in the above example, since the opening of the bag is widened by the suction means, the opening can be surely widened, and the state where the widened opening is widened by the plates 231 and 233 is maintained. Easy to insert. Further, since the article 1 is guarded by the plate members 231 and 233, the article is smoothly inserted into the bag without being caught on the edge of the bag.

Next, the deaeration seal section 300 will be described. As shown in FIG. 1, the deaeration seal section 300 includes a cutting device 301 for cutting a bag filled with articles, and a sealing device 3.
03 and a deaerator 305.

FIG. 9A is a view of the cutting device 301 from the direction of the arrow X in FIG. 1, and FIG. 9B is a right side view of FIG. 9A. The cutting device 301 includes a bottom plate 306 and the bottom plate 306.
Is movably installed on the guide 307, and the cylinder 30
9 (the left-right direction in FIG. 9A). Bottom plate 306
Above, a belt conveyor 315 is supported by two side plates 311 and 313. A motor 317 for driving a belt conveyor 315 is attached to the side plate 311.
An article pressing cylinder 321 for moving the article pressing 319 up and down is attached to the side plate 313. Note that FIG.
As shown in (a), a concave portion is formed on the upper surface of the belt conveyor 315 so that the feed bars 261 and 263 can be arranged.

FIG. 10A is a side view of the sealing device 303 and the deaerator 305, and FIG.
FIG. 11 is a view of the sealing device 303 viewed from the point E. In the sealing device 303, columns 323 and 325 are provided separately from each other in the left and right directions in FIG. 11, and two guides 327 and 329 are provided on each column in the article conveyance direction (the left and right direction in FIG. 10A). They are mounted separately.
Lower racks 331 and 331 are attached to guides 327 and 327 near point E so as to be vertically movable, respectively, and upper racks 335 and 335 are attached to guides 329 and 329 near deaerator 305, respectively. The lower racks 331 and 331 and the upper rack 335 mesh with the pinions 337 and 337, respectively, and
7 are connected by a shaft 339. A lower heat seal bar 341 is mounted between the lower racks 331 and 331, and an upper heat seal bar 343 is mounted between the upper racks 335 and 335.

On the side surface of the lower heat seal bar 341,
A seal bar sub-cylinder 345 is attached, and a seal bar main cylinder 349 is mounted on a floor plate 347 of the seal device 303.
Are mounted, and the pistons of the cylinders 345 and 349 are connected by a coupling 351. The lower heat seal bar 341 is moved up and down by the cylinders 345 and 349, and the movement is transmitted to the upper heat seal bar 343 by a rack and a pinion.
The operating directions of 41 and 343 are reversed. That is, when the lower heat seal bar 341 moves up, the upper heat seal bar 343 moves down. When the lower heat seal bar 341 is lowered, the upper heat seal bar 343 is moved downward.
Rises.

Brackets 3 are provided on the side surfaces of the lower heat seal bar 341 and the upper heat seal bar 343, respectively.
53, 353, a pressing member 35 made of sponge rubber.
5,355 are attached. The upper pressing member 355 is urged downward and the lower pressing member 355 is urged upward by a spring 357. The end surface of the holding member 355 is a heat seal bar 341,
343 (closed position).

On another side of the upper heat seal bar 343, a vacuum grit 359 is attached.
A vacuum grit 361 is attached below the vacuum grit 361, and the vacuum grit sucks and opens the opening of the bag. Vacuum grit cylinders 359 and 361 are provided with vacuum grit cylinders 362 (FIG. 11) and 3 respectively.
The bag is moved up and down synchronously by 63 (FIG. 10) to attract and open the opening of the bag.

The deaerator 305 includes two deaeration pipes 365 and 366 each having a flat tip, and a holder 3 for supporting the deaeration pipes.
The holder 367 is provided with a guide 371, and the deaeration pipes 365 and 366 are slidable along the guide 371. The deaeration pipe expansion cylinder 369 is connected to one of the deaeration pipes 365 and slides the deaeration pipe 365. The movement is transmitted to the other deaeration pipe 366 by the racks 373 and 373 and a pinion interposed between the racks. As a result, both deaeration pipes 365 and 366 move toward or away from each other in the width direction of the bag. Holder 3
67 is movably attached to the guide 375, and moves forward or backward with respect to the point E by the deaeration tube moving cylinder 377. The sealing device 303 and the deaerator 305 are the base 3
Although fixed on 78, the height of the base 378 can be adjusted automatically or manually depending on the size of the article.

Next, the operation of the deaeration seal unit 300 will be described. FIG. 12 is a time chart showing the operation of the cylinder and the like of the degassing seal unit 300, and will be described below with reference to FIG. In the following description, the direction in which the opening of the bag is closed is referred to as a “close direction”, and the direction in which the bag is opened is referred to as an “open direction”.

First, the article lifter cylinder 265 is raised (FIG. 12 (b), hereinafter simply abbreviated as "FIG. B"), and the article traverse cylinder 267 traverses the feed bar (FIG. A).
The article 5 at the point is conveyed to the point E. At point E, the article holding cylinder 321 operates to hold the article 5 (FIG. C),
The conveyor cylinder 309 moves (FIG. D), and the opening 3a of the bag is moved to the sealing device 303. Then, the seal bar sub cylinder 345 operates in the closing direction (FIG. F), and the pressing member 355 sandwiches the opening 3a of the bag. At the same time, the vacuum grit cylinders 362 and 363 move in the opening direction (FIG. G), the solenoid valve for the vacuum grit is opened (FIG. M), and the opening 3a of the bag is sucked and spread by the vacuum grit 359 and 361. .

Thereafter, the deaeration tube moving cylinder 377 is driven (FIG. I), and the deaeration tubes 365 and 366 are advanced and inserted into the bag. Then, the opening of the bag is expanded laterally by the deaeration pipe expanding cylinder 369 (FIG. H). Cylinder 369
Keeps expanding the deaeration pipes 365 and 366, and the opening 3a is widened in the width direction of the bag and kept in a state of being stretched sideways. Then, the seal bar sub-cylinder 345 is driven in the closing direction (FIG. F), and the holding member 355 sandwiches the opening 3a of the bag together with the deaeration tube from both sides. At this time, the heat seal bars 341, 34
3 is slightly open and does not touch the opening 3a.
Then, the vacuum solenoid valve is opened and the air in the bag is sucked from the deaeration tube (FIG. J). Then, the vacuum solenoid valve is closed and the replacement solenoid valve is opened, and the bag is opened using the deaeration tube. An active gas (for example, nitrogen, etc.) is injected (FIG. K), the vacuum solenoid valve is opened, and the inert gas in the bag is sucked (FIG. J), and the air and the inert gas in the bag are completely removed. To go.

After deaeration, the deaeration pipe expansion cylinder 369 has its solenoid valve in a free state (point H in FIG. H), and then the deaeration pipe moving cylinder 377 operates (FIG. I). Then, the seal bar main cylinder 349 is driven in the closing direction (FIG. E), and each end of the heat seal bars 341 and 343 heat seals from both sides with the bag opening 3a interposed therebetween.
At this time, the pressing member 355 slightly moves up and down against the force of the spring 357. That is, the step difference between the heat seal bar and the pressing member is absorbed by the spring 357. Finally, the seal bar main cylinder 349 and the seal bar sub-cylinder 345 are both driven in the opening direction (FIGS. E and f), the conveyor cylinder 309 is operated in the return direction (FIG. D), and the same operation is repeated thereafter.

The packaged articles are sent to the next step by the belt conveyor 315. That is, for example, the product is packed in a cardboard case manufactured by an automatic box-making machine by a product packing machine, sealed by an automatic box-sealing machine, and further attached with a label by a label applying device before being shipped.

According to the above, the deaeration sealing step which has conventionally been performed manually or performed by a semi-automatic machine can be automatically performed, and the time and cost can be reduced. Further, by this automation, the production line and the packaging line can be directly connected, and the efficiency of the entire process can be improved.

Further, according to the above-described example, by providing a means for expanding the opening of the bag in the width direction of the bag, perfect sealing can be performed without forming wrinkles in the opening of the bag.
Furthermore, by moving the deaeration tube in the width direction of the bag and expanding the opening portion of the bag in the width direction of the bag by the deaeration tube, there is no need to separately provide a means for expanding the bag in the width direction, thereby simplifying the apparatus. Can be

[0039]

According to the present invention, the cutting means for cutting the bags one by one, the opening expanding means for expanding the opening of the bag, and the inserting means for inserting the article into the widened opening are provided. The bag-packing device has been configured to reduce the time and cost by automating the bag-packing process of articles, which previously relied on manual labor, and to improve the efficiency of the entire process by directly connecting the production line and the packaging line. It becomes possible to plan.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a schematic diagram illustrating the flow of articles in the apparatus of FIG.

FIG. 3 is a side view of a transfer device for cutting a desiccant.

FIG. 4 is a sectional view of a setting device for setting bags one by one horizontally.

FIG. 5 is a side view showing a main part of the bag filling section.

FIG. 6 is a diagram showing an opening maintaining device that maintains the opening of the bag while being expanded.

FIG. 7 is a diagram illustrating a transport operation of an article.

FIG. 8 is a time chart showing the operation of the bag filling unit.

FIG. 9 is a view showing a cutting device unit.

FIG. 10 is a view showing a sealing device and a degassing device of a degassing seal portion.

FIG. 11 is a view showing a sealing device of a degassing seal portion.

FIG. 12 is a time chart illustrating an operation of a degassing seal unit.

[Explanation of symbols]

 200 Bagging part 300 Degassing seal part

Claims (6)

[Claims] 1. A bag packing device for packing articles into a bag having an opening, a setting means for setting the bags one by one, an opening expanding means for expanding an opening of the set bag, and an expanding means. And an insertion means for inserting the article into the provided opening. 2. The bag filling apparatus according to claim 1, wherein said opening expanding means includes suction means for sucking and expanding said opening. 3. An apparatus according to claim 1, further comprising an opening maintaining means for maintaining the opening widened by said opening expanding means.
A bag packing device according to claim 1. 4. The opening maintaining means keeps the opening in a widened state by inserting a plurality of plate materials into the opening and widening the opening, and the inserting means removes the article from between the plurality of plate materials. The bag-filling device according to claim 3, wherein the device is inserted into a bag. 5. A method for packing articles in a bag having an opening, wherein the bags are set one by one, and the opening of the set bag is sucked and spread, and the spread opening is maintained. And a bag filling method for inserting the article from the opening. 6. The article according to claim 5, wherein the opening is maintained in a widened state by inserting a plurality of plate members into the opening, and the article is inserted into the bag from between the plurality of plate members. Bag packing method.