JPH1044264A - Bag making machine for pillow type synthetic resin package with spout - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a bag making machine for easily manufacturing a pillow type synthetic resin package with a spout of various sizes. SOLUTION: The bag making machine for synthetic resin package comprises a cutter means 10, and opens a hole at a flat surface of a synthetic resin film F. The machine also comprises an inserting means 20, and drops a pourer 30 in the hole for the pourer 30 to insert it into the hole. The machine also comprises a sealing means 40, and heat fusion bonds the pourer 30 to the film F of the synthetic resin at a position where the pourer 30 is inserted into the hole. The machine also comprises a film moving means, and moves the film F at a distance corresponding to one bag for next step after all the above steps are finished. Thus, the one set of the machine for a pillow type package can simply match the bagg of various sizes to be largely useful to prevent generation of a defective product.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates generally to a bag making machine, and more particularly to a bag making machine for synthetic resin bags. More particularly, the present invention relates to a bag making machine for making a pillow-type synthetic resin bag with a spout.

[0002]

2. Description of the Related Art Pillow-type synthetic resin packaging and bag making machines are:
First, a hole for attaching a spout is made on a surface of a synthetic resin film to be a bag by a cutter means. Then, the spout is inserted into the hole by the insertion means. Finally, this is configured to be thermally welded to the synthetic resin film by a sealing means.

In a conventional pillow-type synthetic resin packaging and bag making machine, these means are arranged in three places, and a synthetic resin film serving as a bag is moved. Was working.

[0004]

In this case, there is no problem as long as the bags have the same length, but it is actually necessary to make bags of various sizes. In such a case, since the positions of the spouts are different, it is not possible to prepare as many bag making machines as there are infinite number of bags of each size.

[0005] Therefore, an adjusting means is provided so that one bag making machine can fit bags of various sizes. However, adjusting the position of those means according to the size of the bag is not only very troublesome, but also very difficult, and even if there is some deviation in the position, the spout does not enter well, Failure to seal properly may result in continued defective products.

[0006]

SUMMARY OF THE INVENTION In view of the above technical problems, the pillow-type synthetic resin packaging bag making machine with a spout according to the present invention is characterized in that the synthetic resin film used as the bag is formed by a cutter means. Only after the insertion means and the sealing means have been completed respectively, the film moving means moves the synthetic resin film for the next step.

Hereinafter, a specific configuration of the pillow type synthetic resin packaging and bag making machine with a spout according to the present invention will be described in detail. First, the configuration of the invention described in claim 1 of the present invention will be described. This is a pillow type synthetic resin packaging and bag making machine, which first has a cutter means. This cutter means forms a hole for attaching a spout on a surface of a synthetic resin film to be a bag.

Next, there is an insertion means. This insertion means takes in the spout after the cutter means has been driven, and moves the spout to the position of the spout mounting hole. Then, the spout is inserted into the hole. And there is sealing means. This sealing means is to bond the spout at that position to the synthetic resin film by heat welding or the like after the insertion drive of the insertion means is completed. Finally, there is a means for moving the film. This film moving means moves the above-mentioned synthetic resin film for the next step after completion of all the above steps.

Next, the construction of the invention according to claim 2 of the pillow type synthetic resin packaging and bag making machine with a spout according to the present invention will be described. This is a pillow type synthetic resin packaging and bag making machine, which first has a cutter means. This cutter means has a vertical drive unit which rises from below on a surface of a synthetic resin film to be a bag and forms a hole together with a hole-shaped upper blade for attaching a spout.

Next, there is an insertion means. This insertion means takes in the spout, moves the spout horizontally to the position of the hole for the spout mounting by moving the spout horizontally after the vertical drive unit of the cutter means finishes driving, The spout is inserted into the hole from above.

There is a sealing means. This sealing means is a means for ascending from the bottom after the insertion driving of the insertion means and bonding the spout to the synthetic resin film at that position by heat welding or the like, and the sealing portion is formed by the above-mentioned sealing portion. Of the cutter means is slidably surrounded. Finally, there is a means for moving the film. This film moving means, after completion of all the above-described steps, removes the synthetic resin film for one step for the next step.
This is to move the bag.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a general embodiment of a pillow type synthetic resin packaging and bag making machine with a spout according to the present invention will be described. This is a synthetic resin packaging and bag making machine. First, there is a cutter having a circular blade portion. This cutter means has a vertical drive unit which rises from below, and forms a circular hole for attaching a spout together with a hole-shaped upper blade on a plane of a synthetic resin film to be a bag.

Next, there is an insertion means. This insertion means takes in the spout with a flange from above, and moves the spout horizontally after the vertical drive unit of the cutter means is lowered and the driving thereof is completed. Move to position. By dropping the spout into the hole, the spout is inserted from above. Furthermore, the spout collar catches on the edge of the circular hole for the spout mounting.

There is a heating type sealing means.
This sealing means, after the insertion means returns to the side and the drive is completed, ascends from below and raises the spout at that position,
It is to be thermally welded to the synthetic resin film. The seal portion is positioned so as to slidably surround the lower blade of the cutter means. Thus, the welding of the collar is accurately positioned around the hole, and the collar accurately seals the film around the hole.
Finally, there is a means for moving the film. This film moving means moves the above-mentioned synthetic resin film by one bag for the next step after completion of all the above steps.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a pillow type synthetic resin packaging and bag making machine with a spout according to the present invention. This is a synthetic resin packaging and bag making machine that has a cutter means 10 having a circular blade portion. This cutter means 10 is such that the vertical drive unit (lower blade) 11 is raised by the cylinder 12 through the rod 12a from the state of FIG. 1 to the state of FIG. Then, a circular hole H for attaching a spout is provided together with a hole-shaped upper blade on the plane of a synthetic resin film F which is a pillow-type bag stretched between the lower blade 11 and the upper blade 13 fitted to the lower blade 11. (See FIG. 3). When the cutter means 10 is lowered, as shown in FIG. 4, the upper blade 13 moves right and left integrally with the insertion means 20 described below.

Next, there is an insertion means 20. The insertion means 20 takes the spout 30 with the flange into the insertion hole 21 from above. And 10 of the above-mentioned cutter means
After the lower blade 11 is lowered and the drive is completed, the spout 30 is moved laterally together with the upper blade 13 of the cutter 10 by the cylinder 22 and the rod 22a. This move is 2
The direction is determined by a pair of rails 23 and guide means 24 guided by the pair of rails 23. As a result, the spout 30 is moved to the position of the hole H for attachment. And
By dropping the spout 30 into the hole H, the spout 30 is inserted into the hole H from above as shown in an enlarged view of the portion shown in FIG. Then, the flange 31 of the spout 30 is hooked on the edge of the circular hole H for mounting the spout 30.

Further, there is a sealing means 40 of a heating type. The sealing means 40 is provided with the cylinder 41 and its rod 42 (see FIG. 4) at the position where the spout 30 is inserted into the hole H after or before the driving of the insertion means 20 to return to the side or before the driving is completed. 6), and the spout 30 is thermally welded to the synthetic resin film F. The seal portion 40 is slidably surrounds the vertical drive portion 11 of the cutter means 10. Therefore,
The heat welding of the flange 31 of the spout 30 is accurately positioned around the hole H, and the synthetic resin film F around the hole H is accurately sealed by the flange 31.

Finally, there is a film moving means 50 (only this part is a block diagram). The film moving means 50 moves the above-mentioned synthetic resin film F by one bag for the next process for manufacturing one package after the above-described all processes for manufacturing one package are completed. The film moving means 50 is not driven during the driving of the cutter means 10, the inserting means 20, and the sealing means 40, and is driven only after the driving of these means has been completed.

[0019]

As described above, the pillow type synthetic resin packaging and bag making machine with a spout according to the present invention has the following great effects. That is, in the synthetic resin film to be the bag, the cutter means, the insertion means, and the sealing means work in the same place, respectively, and after the driving thereof is completed, the film moving means does not perform the synthesis for the next step until the next step. Since the resin film is moved, it is possible to produce bags of various sizes with different bag lengths. Therefore, one bag making machine can be easily fitted to bags of various sizes, which has greatly helped to prevent occurrence of defective products.

[Brief description of the drawings]

FIG. 1 is a side view of a main part of an embodiment of a pillow type synthetic resin packaging and bag making machine with a spout according to the present invention, which is a sectional view taken along line AA of FIG. 3 shows the state at the time of initial drive.

FIG. 2 is a side view similar to that of FIG. 1, showing the state when the cutter means is driven.

FIG. 3 is a side view similar to that of FIG. 1, and is a partially enlarged view of the synthetic resin film showing a state after driving of a cutter unit is completed.

FIG. 4 is a side view similar to that of FIG. 1, showing a state when the insertion means is driven.

FIG. 5 is a partially enlarged view of FIG.

FIG. 6 is a side view similar to that of FIG. 1, showing a state when the sealing means is driven.

FIG. 7 is a plan view of FIG. 1, showing a state before the insertion means is driven.

FIG. 8 is a plan view of FIG. 1, showing a state in which the insertion means is driven.

FIG. 9 is a right side view of FIG. 1, showing a state in which the insertion means is driven.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Cutter means 11 Lower blade 13 Upper blade 20 Insertion means 30 Pouring port 31 Flange 40 Sealing means 50 Film moving means F Film made of synthetic resin H hole

Claims (2)

[Claims] In a pillow type synthetic resin packaging and bag making machine, a cutter means for making a hole for attaching a spout on a surface of a synthetic resin film to be a bag, and a spout which the cutter means has taken in after driving is completed. Inserting means for moving the spout to the position of the hole for attaching the spout and inserting the spout into the hole. After the insertion of the inserting means is completed, the spout is bonded to the synthetic resin film at that position by heat welding or the like. A pillow-type synthetic resin packaging with a spout, characterized by comprising a sealing means for causing the film, and a film moving means for moving the synthetic resin film for the next step after completion of all the above steps. Bag machine. 2. A pillow-type synthetic resin packaging bag making machine, wherein a hole for attaching a spout is formed on a surface of a synthetic resin film to be a bag, and a vertical drive portion (lower blade) thereof rises from below to form a hole. Cutter means to be opened with the upper blade, the lower blade of the cutter means is lowered to move the pouring spout previously taken in after the end of driving to the position of the above-mentioned spout mounting hole and move the pouring spout to that position. The insertion means for inserting the hole into the hole from above, and after the insertion drive of the insertion means is completed, the ascending port is raised from below to adhere the spout to the synthetic resin film at that position by heat welding or the like. Sealing means slidably surrounding the lower blade of the cutter means. After all of the above steps are completed, the above-mentioned synthetic resin film is used for the next step.
A pillow-type synthetic resin packaging bag making machine with a spout, comprising film moving means for moving bags.