JPH0687177A - Method for laminating raw material sheet and apparatus for the same - Google Patents

Abstract

PURPOSE:To automate the lamination of raw material sheets made of synthetic paper and so forth. CONSTITUTION:The first stopper 30 is installed on the starting side of a main body 10 which transfers a raw material sheet (r) while the second stopper is installed on the ending side of the main body. An adhesive applying part 40 is placed close to the first stopper 30. A lift 60, the first feed roller 70, the second feed roller, and a pressing body 90 are installed close to the second stopper 50. The end of the sheet (r) which is fed from the first stopper 30 is adhered by the adhesive applying part 40. The end of the sheet (r) which is being stopped by the second stopper 50 is pushed up by the lift 60, and the sheet (r) is moved a little by the second feed roller. The sheet (r) is then transferred by the first feed roller 70, and the sized part is positioned at the lower end of the sheet (r). The end of the sheet (r) is overlapped with the end of another sheet by lowering the lift 60 so that the two sheets are laminated by the pressure of the pressing body 90.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for automatically laminating sheet-like materials made of synthetic paper or the like, particularly when manufacturing a large paper bag by a bag-making machine for manufacturing paper bags. , Manufactures large-scale synthetic paper as its material.

[0002]

2. Description of the Related Art In recent years, demand for paper bags has been rapidly increasing in department stores, wedding halls and the like, and in particular, the demand for paper bags made of synthetic paper that is not damaged even in the rain is remarkable.

This paper bag is automatically manufactured by a bag-making machine equipped with various mechanisms, which supports an increase in demand.

By the way, characters and patterns are printed on a synthetic paper or the like, which is a material for a paper bag. However, when the material becomes a certain size or more, there is almost no printing machine capable of printing on it. .

On the other hand, when a paper bag is manufactured by the above bag making machine, if the paper bag to be manufactured becomes large, it is necessary to increase the material to be supplied to the apparatus. However, due to the above circumstances, the material is supplied as one material. You cannot do it.

For this reason, conventionally, two printed materials are stuck together by hand and supplied to a bag-making machine.

[0007]

However, as in the above-mentioned conventional method, there is a drawback in that the manual bonding of the two materials requires more labor than is imagined and requires a lot of time and labor.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to improve the efficiency of the bonding work and reduce the labor by automating the bonding of the materials.

[0009]

DISCLOSURE OF THE INVENTION The present invention is directed to a main body which conveys a sheet-shaped material while sandwiching it, and two sheet-shaped materials which are arranged at the starting end side of the main body and which are fed from a paper feed section. Stopper for temporarily stopping the sheet-like material, an adhesive application section for applying an adhesive to one of the sheet-like materials, and a second stopper arranged on the terminal end side of the main body for temporarily stopping both the sheet-like materials being conveyed. And a lift that pushes up one end of the sheet-shaped material stopped by the second stopper that is not attached with the adhesive, and moves both sheet-shaped materials to a predetermined position when the lift is raised. Having first and second feeding rollers for making it possible, and a pressing body for pressing the overlapped portion of the sheet-shaped material caused by the lowering of the lift, so that the sheet-shaped materials can be bonded together consistently By providing a bonding of a sheet material, characterized, but to achieve the above-mentioned problems.

Further, according to the present invention, 2 sheets fed from the sheet feeding section are used.
Positioning is performed by temporarily stopping a sheet of sheet material by a stopper that moves forward and backward, then both sheet materials are dispensed at the same time, and adhesive is applied to one sheet material in the process of conveying it to the other side, and further after that. Both of the sheet-shaped materials are temporarily stopped again by the second stopper that moves forward and backward, and one end of the sheet-shaped material without the adhesive is pushed up by the lift that moves up and down, and both sheet-shaped materials are fed first and second. The rollers are moved by a predetermined amount in the direction orthogonal to the conveying direction, and then the lift is lowered, and the overlapping portions of both sheet-shaped materials are pressed by a vertically moving pressing body to bond both sheet-shaped materials. By providing a method for laminating sheet-shaped materials, which is characterized in that It is.

[0011]

As shown in FIG. 2, the sheet-shaped materials r and r'supplied from the sheet feeding section 20 are temporarily stopped by the claws 34 and 34 of the first stoppers 30 and 30 and then simultaneously discharged to the front side. Be done.

After that, both the sheet-shaped materials r and r'are conveyed forward until they are temporarily stopped again by the claws 54 and 54 of the second stoppers 50 and 50, and on the way to the one sheet-shaped material r. The adhesive is applied to one end by the adhesive application section 40.

Claws 54, 54 of the second stoppers 50, 50
One of the sheet-shaped materials r and r ′ temporarily stopped by is pushed up by one end of the sheet-shaped material r ′ by the action of the lift 60, and both sheet-shaped materials r and r ′ are further moved in the y direction by a predetermined amount. To be done.

Then, one end of the sheet-shaped material r glued by the descent of the lift 60 and one end of the sheet-shaped material r'which is not glued are superposed and pressed by the pressing body 90, whereby the sheet-shaped material r The materials r and r'are stuck together.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a sheet material bonding method and apparatus according to the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a side view showing a sheet material bonding apparatus according to the present invention, and FIG. 2 is a plan view showing the apparatus.
FIG. 3 is an enlarged front view showing a main part of the device.

The features of the apparatus according to the present invention are that the main body 10 conveys the sheet-shaped raw materials r and r ', and the sheet feeding section 2 is provided at the starting end side of the main body 10.
First stoppers 30, 30 for temporarily stopping the two sheet-shaped materials r, r ′ fed from 0, and an adhesive application section 40 for applying an adhesive to one of the sheet-shaped materials r, r ′
And second stoppers 50, 50 arranged on the terminal end side of the main body 10 for temporarily stopping both of the sheet-shaped materials r, r'which are conveyed, and the sheet stopped by the second stoppers 50, 50. Lift 6 that pushes up one end of one of the blanks r and r'which has no adhesive
0, first and second feed rollers 70 and 80 for moving both the sheet-shaped materials r and r'to a predetermined position when the lift 60 is raised, and the sheet-shaped material generated by the lowering of the lift 60. and a pressing body 90 for pressing the overlapping portion of r and r '.

The feature of the method according to the present invention is that the two sheet materials r, r'fed from the sheet feeding section 20 are temporarily stopped by the stoppers 30, 30 for advancing and retreating. The sheet materials r and r'are aligned at the same time, and then the sheet material r is attached at the same time as the sheet material r is fed in the forward direction, and then the second stoppers 50 and 50 that move back and forth again. Both the sheet-shaped materials r and r ′ are temporarily stopped, and one end of the sheet-shaped material r ′ to which no adhesive is attached is pushed up by a lift 60 that moves up and down, and the sheet-shaped materials r and r ′ are
Both of them are moved by a predetermined amount by the first and second feed rollers 70 and 80 in the direction y orthogonal to the transport direction, and then the lift 60 is lowered, and the overlapping portions of both sheet-shaped materials r and r ′ are moved up and down. Both of the sheet-shaped raw materials r and r'are attached by pressing with a moving pressing body 90.

The main body 10 is directly connected to an existing bag-making machine, and as shown in FIGS. 1 and 2, the rotating shafts 12a, 12b, ... 12h are oriented in the longitudinal direction. The rotating shafts 12a and 12 are arranged in order.
b, rotating shafts 12e and 12f, and rotating shafts 12g and 12h
, A plurality of belts 14a, ..., 14b ,.
.., 14c, ... are stretched.

Further, each of the belts 14a, 14b, 14
c, the rotary shafts 12a, 12c, 12e, etc., are a plurality of pressing rollers 1 made of resin rollers or brush rollers.
.. are arranged in close proximity to each other so that the sheet-shaped raw materials r and r'are sandwiched and conveyed.

The above-mentioned belts 14a, 14b, 14
c is slidably supported on a metal plate and is supported by the belt 14
The metal plate on which a is stretched has an inclined shape, and matching devices 18, 18 are arranged at both ends thereof as shown in FIG.

The aligners 18 and 18 are arranged such that two long plates 18a and 18a having a plurality of holes are opened downward and the iron balls 18b, ... Can be rolled in the holes. And the paper feed unit 2
The sheet-shaped materials r and r ′ fed from 0 are brought close to both ends of the main body 10 and are conveyed.

On the other hand, the paper feeding section 20 is an existing device for feeding paper to a bag making machine, and is arranged at the starting end of the main body 10 and used to feed paper to the present device.

On the other hand, the first stoppers 30, 30 are
The support shaft 32 is intermittently rotated by a cam mechanism to rotate the required angle forward and backward, and a claw 34 fixed to the support shaft 32. The sheet-shaped materials r and r ′ fed from the paper feeding unit 20 are temporarily stopped. After aligning the positions of the front ends, the sheet-shaped materials r and r ′ are simultaneously dispensed.

An adhesive (glue) is applied to one end of the sheet-shaped material r, r'out of the first stoppers 30, 30 by the adhesive-application portion 40. .

The adhesive application section 40 includes a glue tank 42 for storing glue, a spray nozzle 44 which is connected to the glue tank 42 via a flexible tube and which is activated by a signal from a rotary encoder (not shown). It is composed by.

By the way, the sheet-shaped material r glued by the adhesive application section 40 and the other sheet-shaped material r'are further conveyed along the main body 10 and then disposed on the end side. 2 The stoppers 50 and 50 temporarily stop the operation again.

The construction of the second stoppers 50 and 50 is the same as that of the first stoppers 30 and 30, and the description thereof will be omitted.

The sheet-like materials r, r'which are stopped by the claws 54 of the second stoppers 50, 50 and are temporarily stopped.
One of the sheet-shaped materials r ′ is pushed up by the lift 60 at one end, and is slightly moved in the y direction by the second feed roller 80, and the other sheet-shaped material r is raised by the first feed roller 70. The lift 60 and the pressing body 90 are moved to the side surface of the lift 60 in the y direction, and then the overlapping portions of the sheet-shaped materials r and r ′ are bonded together.

The lift 60 is a plate member that moves up and down by a cam mechanism, and the pressing body 90 is an air cylinder 9.
It is a brush that moves up and down by 2,92.

In particular, the air cylinders 92, 92 are adapted to expand and contract when a limit switch (not shown) is switched and when a timer which operates in accordance with the switching of the limit switch times out.

The first feed roller 70 is operated by the air cylinder 72, and the second feed roller 80 is operated by the cam mechanism.

In particular, like the air cylinders 92, 92, the air cylinder 72 expands and contracts when a limit switch (not shown) is switched and when a timer which operates in accordance with the switching of the limit switch times out. It is like this.

When the sheet-shaped materials r and r'are stopped by the second stoppers 50 and 50, the sheet-shaped materials r and r'have a pressing roller 1 made of a brush roller.
Although 6'and 16 'are in contact with each other, the contact force of the pressing rollers 16' and 16 'is very weak, so that the sheet materials r and r'can move in the y direction. .

On the other hand, when the bonding of the sheet-shaped materials r and r'is completed as described above, the second stoppers 50 and 50 are retracted, and the sheet-shaped materials r and r'are pressed by the pressing rollers 16 ",. By coming into contact with each other, the sheet-shaped raw materials r, r'are conveyed further forward, and the belts 14c,
After being pressed firmly by the pressing rollers 16a located at the center of the ...

The pressing roller 16 ", ...
Is fixed to a support shaft 19 that intermittently rotates a required angle forward and backward by a cam mechanism via an arm 19a, and sheet materials r and r'by the second stoppers 50 and 50.
The sheet material r, r ′
It is controlled so as to abut when paying out.

On the other hand, the first feeding roller 70 and the second feeding roller 80 will be described in detail with reference to FIG. 3. The first feeding roller 70 has a movable shaft of an air cylinder 72 and an arm 74.
The second feed roller 80 is pivotally attached to an arm 84 operated by a cam 82. The second feed roller 80 is pivotally attached to an arm 84 operated by a cam 82. The cam 82 is configured to float and descend as the cam 82 rotates.

At the position where the first feed roller 70 and the second feed roller 80 descend and come into contact with the sheet-shaped materials r and r ', the drive roller 7 which constantly rotates immediately below them.
6,86 are arranged.

Therefore, when the first feed roller 70 descends, the sheet material r is sandwiched between the first feed roller 70 and the drive roller 76 and moves from the solid line to the imaginary line, and the second feed When the roller 80 descends, the sheet material r ′ is sandwiched between the second feed roller 80 and the drive roller 86 and moves from the solid line to the imaginary line, and thus one end of the glued sheet material r. Then, one end of the other sheet-shaped material r'is polymerized by the lowering of the lift 60.

In the present invention, the sheet materials r and r'are synthetic papers for producing paper bags, but the apparatus can be used for laminating vinyl sheets or the like.

As a device and method for automatically laminating the sheet materials r and r ', the first stoppers 30 and 30 and the second stopper 5 configured as described above are used.
It goes without saying that it can be realized by adopting another mechanism other than using 0, 50, the first feed roller 70, the second feed roller 80, or the like.

For example, the first stoppers 30, 30 and the second stoppers 50, 50 may be projections that move forward and backward by an air cylinder.

[0043]

The method and apparatus for laminating sheet materials according to the present invention have the following effects.

(1) Since the adhering of sheet materials such as synthetic paper is automated by the advent of the present application, there is an excellent effect that the efficiency is dramatically improved.

(2) In particular, in the case of manufacturing a paper bag or the like with a large material that cannot be printed, the present apparatus and method have an excellent effect of making a great contribution.

(3) Further, with the advent of the present apparatus and method, there is an excellent effect that it is possible to support the increasing demand for large-sized paper bags.

[Brief description of drawings]

FIG. 1 is a side view showing a sheet material laminating apparatus according to the present invention.

FIG. 2 is a plan view showing the device.

FIG. 3 is an enlarged front view showing a main part of the apparatus.

[Explanation of symbols]

 r, r'sheet-like material 10 main body 20 paper feed section 30 first stopper 40 adhesive application section 50 second stopper 60 lift 70 first feed roller 80 second feed roller 90 pressing body

Claims (2)

[Claims] 1. A main body which conveys a sheet-shaped material while sandwiching it, and a first stopper which is arranged at a starting end side of the main body and temporarily stops two sheet-shaped materials fed from a paper feeding section. , An adhesive application section for applying an adhesive to one of the sheet-like materials, a second stopper arranged on the terminal end side of the main body, for temporarily stopping both the conveyed sheet-like materials, and stopped by the second stopper A lift that pushes up one end of the sheet-shaped material that has not been attached with the adhesive, and first and second feeds that move both of the sheet-shaped materials to predetermined positions when the lift is raised. A roller, and a pressing body that presses the overlapping portion of the sheet-shaped material generated by the lowering of the lift, the sheet-shaped material of the sheet-shaped material is characterized in that it can be stuck consistently Laminating device. 2. A process of aligning two sheet-like materials fed from a paper feed unit by temporarily stopping them with a stopper that moves forward and backward, and then simultaneously ejecting both of these sheet-like materials and conveying them to the other side. Adhesive is applied to one of the sheet-shaped materials with, and then both sheets are temporarily stopped again by the second stopper that moves back and forth, and a lift that moves up and down one end of the sheet-shaped material without the adhesive While pushing up, both sheet-like materials
The second feed roller moves the sheet in a direction orthogonal to the conveying direction by a predetermined amount, then lowers the lift and presses the overlapping portion of both sheet-shaped materials with a vertically moving pressing body to move both sheet-shaped materials. A method for laminating sheet-shaped materials, which is characterized in that laminating is performed.