JPS5968227A - Method and device for bonding inner bag and outer bag in do-uble bag - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention mainly relates to a method and apparatus for bonding inner and outer bags in a double bag for fruit, for bonding base paper for the inner bag and base paper for the outer bag in a double bag for fruit. .

In this type of paper, the outer bag base paper is sent forward seven sheets at a time by a feeding device, and after the leading edge of the outer bag base paper is stopped by a stopper, the slack generated by further transporting the outer bag base paper is filled. 7 sheets of base paper for the inner bag are dropped from above from above, and after positioning them approximately on the center line of the base paper for the outer bag, they are rolled deeply downward and the base paper for the inner bag and the base paper for the outer bag are doubled, making the same sheet. Applicant 1 Inventor's Patent Publication No. 33-
A bag making method and an apparatus therefor are proposed in Japanese Patent No. 3g990.

In that invention, the inner bag and the outer bag are not glued together, so even if the outer bag is opened during use, the inner bag does not open and there is still the problem that it is difficult to work with.

This invention solves these problems and will be explained next.

Method Seven sheets of base paper for outside bags are sent forward one by one using a feeding device, and after the leading edge of the base paper for outer bags is stopped by a stopper, the base paper for inner bags is placed in the slack created by further transporting the base paper for outer bags. In the bag-making method, seven sheets of base paper are fed in from above, positioned approximately on the center line of the outer bag base paper, and then deeply rolled downward to make the inner bag base paper and outer bag base paper double. When feeding the base paper for bags from above seven sheets at a time, cut the base paper for the inner bag at desired intervals, apply adhesive to the appropriate places on the outside of the inner bag, and after applying the adhesive, feed the base paper for the outer bag at the same speed as the base paper for the outer bag, or When the outer bag base paper is doubled and transported from approximately the midline of the outer bag base paper at approximately the same speed, it is guided to the center of the outer bag base paper and the inner bag is adhered to a predetermined position within the outer bag.

Equipment doubles and folds the base paper for the outer bag/above the pair of reverse-rotating pasting rollers, left and right from the upper stage/pair of upper pull rollers for the inner bag base paper, the amount of glue on the circumferential surface - the lower part of the center of rotation A pull roller and a cam roller △ are provided in sequence.

Next, one embodiment of the present invention will be described based on the accompanying drawings.

1 is a storage frame for outer bag base paper a with an open bottom 1a;
A feed roller 2 is provided at the bottom 1a for sequentially feeding seven sheets in the lateral direction.

Note that 2a is a friction body provided on the feed roller 2, and 3 is a feed roller for smoothly feeding the base paper a sent out by the friction body 2a.

Reference numeral 4.5 denotes a pair of left and right laminating rollers that rotate in opposite directions, and a roller 4a that is folded into the laminating roller 4 is provided at the top of one of the laminating rollers 4 in a state of contact pressure. A guide plate 6 is provided on the side of the alignment roller 5, and a feed roll belt 6a is provided parallel to the guide plate 6 above the guide plate 6.

Reference numeral 7 denotes a stopper installed horizontally on the guide plate 6 for restraining one end of the outer bag base paper a.

On three sides of the contact surfaces 8'' of the left and right/phantom laminating rollers 4 and 5, the following items are sequentially provided from the top to the contact surfaces 8.

On the top row, there is a series of inner bag base paper openings to b to rims with glue (=
Glued by the J roller 9, and shaped into a cylindrical shape by the guide plate 10, which is narrower than the width of the inner bag Kawahara △ paper C.
a, llb is pivotally supported by the frame.

Δ A cutter roller 12 is provided at the lower stage of the lower pulling rollers 11a and llb for cutting the inner bag base paper C into lengths approximately 2/2 times the length of the outer bag base paper a.

Reference numeral 12a denotes a receiving portion opposite to the cutter roller 12. A pair of left and right lower pull rollers 13a, 13b are pivotally supported at the lower stage of the cutter roller 12.

There is an intermediate roller for applying the glue d to the portion 14a, and 15a is a tray for the glue d.

A pair of cam rollers 16a, 16b are provided below the lower pull rollers 13a, 13b.

Note that the circumferential speed of the lower pulling rollers 11a and 11b is
1, and the lower pulling rollers 13a, 13b (7) The circumferential speed 'Ls is the same. 2, , =: vt & y is provided at approximately the same speed by a transmission device such as a gear, a timing belt, or a chain. Similarly, cam rollers 15a, 16
The circumferential speed V16 of b and the circumferential speed v4 of the laminating rollers 4 and 5
is the same as -V, , =Vi or approximately the same as -.

Further, the number of rotations N+2 of the cutter roll 12 and the number of rotations N14 of the gluing roller 14 are set to be equal to -N12 or approximately equal to each other. The circumferential speed of the cam roller 16 is higher than that of the lower pulling roller 11, and the circumferential speed of the cam roller 16 is the same as that of the laminating rollers 4 and 5.

Thus, the outer bag base paper a is sent out every seven sheets by the feed roller 2, one end of which is stopped by a stopper 7, and placed on the laminating rollers 4 and 5.

The base paper C for the inner bag is pulled from the base paper roll b by the lower pulling roller 11a.
, 11b, the edges are glued by the gluing roller 9, and formed into a cylindrical shape by the guide plate 10.

The length of the base paper a for one bag is cut by the cutter roller 12.
/2 or less. The cut inner bag e is guided downward by lower pulling rollers 13a and 13b.

At this time, the peripheral speed of the lower pulling rollers 11a, 11b and the peripheral speed of the lower pulling rollers 13a, 13b are the same -V+
,=■1. Therefore, the base paper C for the inner bag will not tear.

Furthermore, the number of rotations of the cutter roll 12 and the gluing roller 1
4a and 14b have the same number of rotations -N+22N14 Te;J) Glue is attached to every 7th inner bag at a certain position on both sides of the inner bag.

After the lower pull rollers 13a, 13b, the protrusions 16C of the cam rollers 16a, 16b,
It is guided to a depression formed in the center of the outer bag base paper a on the laminating rollers 4 and 5. Therefore, the inner bag e is laminated and the roller 4
.

At this time, the circumferential speeds of the cam rollers 16a and 16b and the circumferential speeds of the laminating rollers 4 and 5 are the same. =V14, the inner bag base paper C will not be torn.

As described above, the present invention has the following features.

/ Japanese Patent Publication No. 53-3g9 previously proposed by the same applicant
In the bag-making method and apparatus disclosed in Publication No. 90, the base paper for the inner bag is placed on the base paper for the outer bag on the laminating roller. Therefore, since the inner bag and the outer bag are not bonded together, there is a problem in that the inner bag may be separated from the outer bag during use. In this invention, since the glue rollers 14a and 14b are provided at the lower stage of the cutter roller 12, glue (=J) is applied to the surface of the inner bag during bag manufacturing, and the base paper for the outer bag is pasted by the pasting rollers 4 and 5. It is glued and integrated within a.

Therefore, it is possible to mass-produce double bags in which the inner bag and the outer bag are glued together.

In addition, in Tokuko Publication No. 33-3g990, since the cylindrical base paper for the inner bag was put into the base paper for the outer bag on the laminating roller, the bottom of the outer bag and the bottom of the inner bag However, in this invention, the lower force rollers 13a, 13b lower stage L:bA lower 16a.

16b) Two cam rollers 16a, 16b are provided.
The inner bag e can be reliably positioned at a predetermined position on the outer bag base paper a on the lamination layer rollers 4 and 5. Therefore, the inner bag is glued to the predetermined location of the outer bag without moving the outer bag and the inner bag, making it possible to provide an excellent double bag.

3. The circumferential speed of the upper rollers 11a, 11b and the circumferential speed of the lower force rollers 13a, 13b are the same -V.
-V.

and the peripheral speed V16 of the cam rollers 16a and 16b
and the circumferential speed ■4 of the laminating layer roller 4.5 are the same speed V+a
"" V4 and cutter roller 12 rotation speed N12
Same as −N, 2=N,.

By setting the number of rotations of the gluing roller 14 to N+4, the inner bag base paper C1 and the inner bag e can be manufactured continuously without tearing in the middle.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which FIG. 1 is a longitudinal cross-sectional view of the entire structure, and FIG. 2 is a cross-sectional view of a pasting roller. 2...Feed roller 4,5...Lamination roller 4
a... Folding roller 11a, llb... Upper roller 12... Cutter roller 13a, 13
b --Lower force rollers 14a, 14b'', glue rollers 16a, 16b...cam roller 13c
・Center axis

Claims (1)

[Scope of Claims] / Production of a double bag by placing the base paper for an outer bag in an expanded state at a laminating roller] and dropping the base paper for an inner bag from above the base paper to form a double bag with the laminating layer roller. A method for adhering an inner bag and an outer bag in a double bag bag method, characterized in that the inner bag whose surface is glued at an appropriate position is guided onto the base paper for the outer bag at the same peripheral speed as the laminating layer roller. λ A feed roller that transports the base paper for the outer bag in an expanded state to the laminating layer roller, and a two-part row roller, a cutter roller, and a glued roller bar for the base paper for the inner bag from the upper stage on the laminating layer roller. An adhesive device for bonding an inner bag and an outer bag in a double bag, characterized in that the device is provided with an inner bag and an outer bag. 3. The circumferential speeds of the lower pulling roller and the lower pulling roller are the same - or approximately the same, the circumferential speeds of the lower pulling roller and the laminating layer roller are the same - or approximately the same, and the rotation speeds of the cutter roller and the gluing roller are the same. A device for bonding an inner bag and an outer bag in a double bag according to claim 1.