JPH04109009U - packaging equipment - Google Patents

Abstract

(57) [Summary] [Structure] In a packaging device that manufactures a bag 13 from a tube-shaped film 1 and automatically packages and seals a plurality of items 16, 16, etc. at once, Things 16・
16... are pushed into the bag 13, the opening of the bag 13 is narrowed from at least three directions (preferably four directions), bundled, and sealed by welding. [Effects] Since the openings of the bags 13 are bundled and sealed at one location, there is no possibility that the bag will collapse, and there is no need to bundle the bags with tape or the like.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention enables packaging objects such as fish boxes, general packaging materials, and various products to be made of film. Packaging equipment that automatically packs bags, especially for packaging multiple items in the same bag. The present invention relates to a packaging device suitable for packaging.

0002

[Conventional technology]

Traditionally, fish boxes and other packaging materials made of expanded polystyrene etc. have been made of film. Packaging devices that perform dynamic packaging are known. In such packaging equipment, the film The front end of the film is rolled out from a pair of upper and lower rolls that are supported by By joining the parts together, the film is stretched vertically between the above pair of rolls. After pressing the packaged item into this film, insert the rear edge and left and right edges in order. It is then heat sealed (see Japanese Patent Application Laid-Open No. 61-287506).

0003 However, in the above packaging device, not only the front and rear ends of the film but also the left and right ends of the film are Since the edges also need to be heat-sealed, the packaging process becomes complicated and the packaging equipment There is also the problem that the configuration becomes complicated. Also, align the left and right edges of the film along the outer shape of the packaged item. After heat-sealing the parts, the excess parts on the left and right sides are cut off. There is a problem that a large amount of chips are generated.

0004 On the other hand, conventionally, a tube-shaped film with the left and right ends joined in advance was used to enclose the film. After inserting the accessory, tie the opening with tape or heat the opening in a straight line. There is also a packaging device that is designed to seal.

[0005]

[Problem that the idea aims to solve]

However, when binding the openings with tape, a binding mechanism is required. The structure becomes more complicated. On the other hand, if the opening end is heat-sealed in a straight line, the chi Because it is impossible to securely tighten the packaged items with the tube-shaped film, In particular, when packaging multiple fish boxes or other packaging materials at once, the items to be packaged may be The problem is that it is easy to cause damage.

[0006]

[Means to solve the problem]

In order to solve the above problems, the packaging device according to the present invention uses a tube-shaped film. A bag with an open front end is produced by feeding out a certain amount of rubber, welding and cutting the rear end. and a pushing means for pushing the packaged object into the bag from the front end. , the front end of the bag into which the item to be packaged is pushed is squeezed from at least three directions. a bundling means for bundling the front ends together; and a sealing means for welding and sealing the bundled front ends. The present invention is characterized in that it comprises means (configuration of claim 1).

[0007] In addition to the above configuration, a welder is installed to cut off the excess portion at the front end of the sealed bag. It is preferable to include a disconnection means (configuration according to claim 2).

[0008]

[Effect]

According to the configuration of claim 1 above, after the items to be packaged are pushed into the bag, the bundling means The front end, which is the opening, is squeezed from at least three directions, bundled in one place, and then sealed. Since the sealing method is used, it is possible to package multiple items at once. It also becomes possible to tightly package items without causing any damage.

[0009] In addition, the front end, which is the opening, is sealed by welding, so it can be used for bundling. Tape is no longer required, and packaging material costs can be reduced. In addition, tubular Since the packaged item is inserted into a bag made from a film of Unlike when heat-sealing the left and right sides and cutting off the excess, a large amount of chips is generated. It never comes to life. Moreover, the structure of the device itself becomes simpler, reducing costs. be able to.

0010 In addition to the above-mentioned configuration, a welder is installed to cut off the excess portion at the sealed front end. The appearance of the packaging bag can be improved by providing a cutting means and removing the excess portion by fusing. can be raised.

[0011]

【Example】

An embodiment of the present invention will be described below with reference to FIGS. 1 to 7. As shown in FIG. 4, the packaging device rolls a film 1 formed into a tube shape. It is equipped with a supply shaft 2 that is wound around and held. A plurality of step rollers 3 from the supply shaft 2 ・Film 1 is fed out through 4 and 5.

0012 The film conveying means 6 that conveys the film 1 supplied from the step roller 5 is A pair of sprockets 7 and 8 and a chain 10 that spans between the sprockets 7 and 8 The film 1 is moved forward by the chain 10, that is, to the left in FIG. It is ready to be transported.

[0013] An air cylinder 11 is arranged on the sprocket 7, and this air cylinder 11 The bag making means 12 is supported so as to be movable up and down. The bag making means 12 is a fill While the film 1 is being fed out a predetermined amount onto the film transport means 6, the axial direction of the sprocket 7 is Weld the rear end of the bag 13 (the right end in Figure 4) in a straight line along the direction (perpendicular to the plane of the paper in Figure 4). The part slightly behind this welded part is straight along the axial direction of sprocket 7. The bag 13 is manufactured by cutting the bag 13 into two. The above welding is an example For example, impulse heat sealing can be used. can be used.

[0014] An air cylinder 14 is arranged above the sprocket 8. The suction means 15 is supported by the cylinder 14 so as to be movable up and down. The suction means 15 is a bag. Packed items 16, 16... consisting of fish boxes, general packaging materials, various products, etc. are pushed into 13. When inserting the bag, the opening at the front end of the bag 13 is sucked from above to open the front end. It's a special thing. Although not shown, a suction member is also provided at a lower position of the bag 13. It is preferable to suck the bag 13 from above and below to open the front end.

[0015] Slightly behind the air cylinder 14, at opposite positions above and below the bag 13. Air cylinders 17 and 18 are arranged respectively, and these air cylinders 17 and 18 Bundling/sealing/fusion-cutting means 20 and 21 (bundling means, sealing/fusion-cutting means) ) is supported so that it can be raised and lowered freely. In addition, as shown in FIG. 2, the air cylinder 17 18 are located on the left and right sides of the front end of the bag 13, respectively. Air cylinders 22 and 23 are arranged, and these air cylinders 22 and 23 respectively Bundling, sealing and fusing means 24 and 25 are supported so as to be movable in the left and right direction. Up The binding/sealing/fusion-cutting members 20, 21 and 24, 25 are used to hold the packaged items 1 in the bag 13. 6, 16... are pushed in, press the opening of the bag 13 from four directions to narrow it down. After bundling in one place, this bundled part is welded and sealed, and the sealed The excess portion at the opening is removed by fusing.

[0016] In FIG. 4, objects to be packaged 16, 16, etc. are placed in front of the film transport means 6. An air cylinder 26 that also serves as a mounting table is arranged. This air cylinder 26 A pushing means 27 for pushing the objects to be packaged 16, 16... into the bag 13 is mounted on the upper surface thereof. It can be moved forward and backward along the

[0017] Also, although not shown, a plurality of objects to be packaged 16, 16... are placed on the air cylinder 26, For example, a supply means for sequentially supplying from the side and an object 1 wrapped in a bag 13. 6, 16... from the film conveying means 6, for example, a discharging means for sequentially discharging them to the side. is provided.

[0018] In the above configuration, packaging objects 16, 16, etc. such as fish boxes and general packaging materials are carried out. 4, the film 1 is moved a predetermined amount forward along the film transport means 6, as shown in FIG. The opening at the front end of the film 1 is sucked by the suction means 15, and the upper Fix the front end.

[0019] In this state, the bag making means 12 is lowered by the air cylinder 11, and the film 1 is welded in a straight line along its width direction, in other words, along the axial direction of the sprocket 7. After that, cut a straight line slightly behind the welded part along the axial direction of the sprocket 7, and make the bag 1. Produce 3.

[0020] Thereafter, as shown in FIG. By moving the air cylinder 14 upward, the front end of the bag 13 is opened. Open your mouth. At this time, another suction means (not shown) is used to hold the front end of the bag 13. It is preferable to adsorb the lower part. As mentioned above, the front end of the bag 13 was opened. In this state, a predetermined number of packages 16, 16... placed on the air cylinder 26 are It is moved backward by the pushing member 27 and pushed into the bag 13 (see FIG. 6).

[0021] Subsequently, after releasing the adsorption by the adsorption means 15, as shown in FIG. 7, FIG. 3, and FIG. Operate air cylinders 17, 18 and 22, 23 to bind and seal each bundle. The fusing means 20, 21 and 24, 25 are brought close to each other, and the front end of the bag 13 is moved in four directions. , that is, by narrowing down from the top, bottom, left and right, the front of the bag 13 (not shown in FIG. 1) Tie the ends together in one place.

[0022] Then, the bag 13 is sealed by the bundling, sealing and fusing means 20, 21 and 24, 25. After sealing the front end by welding the bundling part at the front end, the cut shown in FIG. The excess portion at the sealing site is cut by fusing along the disconnection L. After that, bundling, sealing and fusing After moving the means 20, 21 and 24, 25 in the direction away from the sealing area, the bag The items 16, 16, etc. wrapped in 13 are placed on the side of the film conveying means 6, for example. Discharge. Also, new items to be packaged 16, 16... are supplied onto the air cylinder 26. , prepare for the next packaging.

[0023] In this embodiment, the opening of the bag 13 is narrowed from four directions, bundled in one place, and then sealed. Since it is designed to stop, it is possible to wrap multiple items 16, 16, etc. in one bag 13. This allows for tight packaging even when the product is packed, making it less likely that the package will become loose. Also, bundle Since the parts are sealed by welding, there is no need for binding tape or a binding mechanism. Become. Furthermore, a bag 13 is created from the tube-shaped film 1 and then packaged. This eliminates the generation of large amounts of chips.

[0024] A modified embodiment of the present invention is shown in FIGS. 8 and 9. Here, four air cylinders Four bundling/sealing and fusing means 35 to 38 supported by 31 to 34 are attached to the bag 13 ( (not shown) from the four corners of the packaged object 16 toward the center. has been completed. In addition, the number of bundling/sealing and fusing means may be 3 or 5 or more in addition to 4. good.

[0025]

[Effect of the idea]

As described above, the packaging device according to the present invention reels a certain amount of tubular film. A bag manufacturing method that produces a bag with an open front end by welding and cutting the rear end. a pushing means for pushing the object to be packaged into the bag from the front end; The front end of the stuffed bag is squeezed from at least three directions. comprising a bundling means for bundling, and a sealing means for welding and sealing the bundled front ends. This is a configuration where there is

[0026] As a result, after the items to be packaged are pushed into the bag, the front end of the bag is secured by the bundling means. Narrow down the openings from at least three directions, bundle them together, and then seal them with a sealing means. This ensures that the items do not fall apart even when multiple items are packaged at once. Sea urchins can now be tightly packaged.

[0027] In addition, the other end is sealed by welding, so no binding tape is required. Therefore, packaging material costs can be reduced. Furthermore, a tube-shaped film? Since the item to be packaged is inserted into the bag created from scratch, the left and right sides of the film are heated. Unlike when sealing and cutting off excess parts, a large amount of chips may be generated. do not have. Furthermore, the structure of the device itself is simplified, and costs can be reduced.

[0028] In addition to the above-mentioned configuration, a welder is installed to cut off the excess portion at the sealed front end. The appearance of the packaging bag can be improved by providing a cutting means and removing the excess portion. I can do that.

[Brief explanation of drawings]

FIG. 1 is a schematic front view showing bag narrowing in a packaging device according to an embodiment of the present invention.

FIG. 2 is a schematic front view showing the packaging device of the above embodiment.

FIG. 3 is a partially enlarged side view showing the packaging device of the above embodiment.

FIG. 4 is a schematic side view showing the production of a bag in the packaging apparatus of the above embodiment.

FIG. 5 is a schematic side view showing the opening of the bag in the packaging device of the above embodiment.

FIG. 6 is a schematic side view showing insertion of a packaged object into the packaging device of the above embodiment.

FIG. 7 is a schematic side view showing the sealing of the bag in the packaging device of the above embodiment.

FIG. 8 is a schematic front view showing a packaging device in another embodiment of the present invention.

9 is a schematic front view showing bag narrowing in the packaging device of FIG. 8; FIG.

[Explanation of symbols]

1 film 12 Bag manufacturing means 13 bags 16 Items to be packaged 20・21・24・25 Bundling/sealing and fusing means 27 Pushing means

Claims (2)

[Scope of utility model registration request] 1. A bag manufacturing means for manufacturing a bag with an open front end by feeding out a certain amount of a tube-shaped film, welding and cutting the rear end, and a pushing device for pushing an object to be packaged into the bag from the front end. a bundling means for bundling the front ends of the bag into which the items to be packaged are pushed by squeezing them from at least three directions; and a sealing means for welding and sealing the bundled front ends. A packaging device featuring: 2. Claim 1, further comprising a fusing means for fusing an excess portion of the sealed front end.
Packaging equipment as described.