JP2002275797A - Paper joining machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a paper joining machine simplified in structure as a whole so as to allow for cost reduction, designed to superpose a covering such as printing paper or sheet on a paperboard such as corrugated paper, cardboard or woodfree thick paper followed by sticking them together, and also facilitating the inspection and maintenance of the sizing device. SOLUTION: This paper joining machine comprises a covering time-interval- conveyor 2, a sizing device 3, a paperboard time-interval-conveyor 4, and a laminator 5; wherein, particularly, the sizing device 3 is located at the front step of the paperboard regular-interval-conveyor 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in an interleaving machine for superposing and attaching a cover such as a printing paper or a sheet and a mount such as a cardboard or a cardboard or a high-quality cardboard.

[0002]

2. Description of the Related Art Heretofore, as this kind of interleaf paper machine, for example, one described in Japanese Utility Model Publication No. 56-6480 is known. Basically, this is a cover timed conveyance device that conveys the cover at regular intervals, a mount timed conveyance device that conveys the mount at regular intervals in synchronization with the cover timed conveyance device, It is composed of a gluing device that glues the mount from the transport device, and a laminating device that superposes and glues the cover from the cover timed transport device and the mount from the glue device.

In such an apparatus, a cover is conveyed at regular intervals by a cover regular-time transporting device, and a backing sheet is regularly synchronized by a mount regular-time transporting device synchronized with the cover regular-time transporting device. It is conveyed at intervals and glued by a gluing device. The cover sheet from the cover time interval transport device and the mount from the gluing device are polymerized and bonded by a bonding device to form a bonded product.

[0004]

However, in such a device, the gluing device is provided below the cover regular-time transporting device and in a so-called narrow space between the mount regular-time transporting device and the bonding device. Therefore, it is very difficult to perform maintenance and inspection of the gluing device, and the structure of the entire slip sheet machine is complicated, resulting in high costs. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has been made in order to solve the above problems. It is an object of the present invention to provide an interleaf paper machine which can be simplified and cost can be reduced.

[0005]

SUMMARY OF THE INVENTION Basically, an interleaving machine according to the present invention comprises: a cover sheet time-conveying apparatus for conveying a cover sheet at a regular time interval; a gluing apparatus for gluing a backing sheet; A fixed-time interval transport device that transports the glued mount at regular intervals in synchronization with the transport device, and a paste that overlaps the cover from the cover-time interval transport device and the mount from the fixed-time interval transport device. The feature is that it is composed of a joint device.

[0006] The cover is transported at regular intervals by a cover regular interval transport device. The backing paper is glued by a gluing device. The glued backing sheet is conveyed at regular intervals by a backing sheet timed conveyance apparatus synchronized with the cover sheet timed conveyance apparatus. The cover sheet from the cover sheet timed conveyance device and the backing sheet from the backing sheet timed conveyance device are superimposed and bonded by a bonding device to form a bonded product.

[0007] Since the gluing device is provided not at a narrow portion between the mount-time-fixing transfer device and the bonding device but at a position upstream of the mount-time-fixing transfer device, maintenance and inspection can be easily performed. Since the gluing device is provided at a position prior to the backing sheet timed conveyance device, the structure of the entire slip sheet machine can be simplified and the cost can be reduced.

[0008] The cover fixed time interval transfer device and the backing sheet fixed time interval transfer device include a belt conveyor on which a cover or a backing sheet is placed and conveyed, and a contact piece adjacent to the belt conveyer and which always contacts the front end of the cover or the backing sheet. It is preferable to have a chain conveyor that runs slightly slower than the belt conveyor to be combined. In this way, both can be bonded with reference to each front end of the cover or the backing sheet, so that the bonding accuracy is greatly improved. This is especially true when the cover or mount is thin.

It is preferable that the cover timed transfer device and the backing timed transfer device include a blower that constantly presses the cover or the backing sheet against the belt conveyor. With this configuration, even if the cover sheet or the backing sheet is thin, the sheet is conveyed in close contact with the belt conveyor without warping or bending, which can greatly contribute to improvement in bonding accuracy.

[0010] The cover timed sheet transfer device and the backing sheet timed transfer device allow the front end of the cover sheet and the backing sheet to abut on one of the chain conveyors immediately before the cover sheet and the backing sheet overlap. Preferably. With this configuration, the cover and the backing sheet can be brought into contact with the corresponding piece of one of the chain conveyors, and the bonding accuracy can be further improved.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing an outline of the slip sheet machine of the present invention. FIG. 2 is a plan view of FIG. 1 showing only approximately half. FIG. 3 is an enlarged side view showing a main part of FIG.

The main part of the slipping machine 1 is composed of a cover sheet timed conveyance device 2, a gluing device 3, a backing sheet timed conveyance device 4, and a bonding device 5.

The cover regular-time transport device 2 transports the cover A at regular intervals. In this example, the cover A is provided at a higher position, and the belt conveyer 6 on which the cover A is placed and transported.
And a chain conveyor 8 which is disposed adjacent to the upper side thereof and is run slightly slower than the belt conveyor 6 so that the contact piece 7 always abuts on the front end of the cover A, and the cover A is always pressed against the belt conveyor 6. And a blower 9 for performing the operation.

The belt conveyor 6 includes front and rear rolls 10 (the right is the front in FIG. 1), an endless belt 11 wound around these, and a tension roll 12 for tensioning the belt. . The chain conveyor 8 includes front and rear sprockets 13, an endless chain 14 wrapped around the sprockets 13, and a contact piece 7 fixed to the sprockets 13 and engaged with the front end of the cover A. The contact piece 7 of the chain conveyor 8 is made so as not to interfere with each part of the belt conveyor 6 (such as the roll 10 and the belt 11). On the rear side of the chain conveyor 8, a gripping roll 15 is provided coaxially with the rear sprocket 13, and faces the upper side of the roll 10 on the rear side of the belt conveyor 6.
The blower 9 is composed of a plurality (six) of axial fans and is used as a push-in type. The blower 9 is disposed above the belt conveyor 6 so as to press the cover A against the belt conveyor 6 by sending air from above to below. Is provided.

In the front stage position of the cover fixed time interval conveying device 2,
A cover sheet supply device (not shown) is provided via the feed device 16. The cover supply device supplies the cover A, and the cover A such as printed paper or sheets cut to a predetermined size.
Are stacked and supplied one by one from above. The feeding device 16 is a belt conveyor.

The gluing device 3 glues the backing paper B.
In this example, a glue transfer roll 17 that transfers the glue C onto the upper surface of the mount B, a glue amount adjusting roll 18 that abuts the glue C to adjust the glue amount, and a water washing provided below the glue transfer roll 17 are provided. A roll 19, a washing tank 20 for storing water, a watering roll 21 for applying the water to the washing roll 19, and a draining doctor 22 for contacting the washing roll 19 to drain the water
And

Although not shown, a backing sheet supply device is provided at a position before the gluing device 3. The backing supply device is
The backing sheet B is supplied, and a plurality of backing sheets B such as corrugated paperboard, cardboard, and high-quality cardboard cut into a predetermined size are stacked and supplied one by one from below.

The backing sheet timed conveyance device 4 conveys the glued backing sheet B at regular time intervals in synchronism with the cover sheet timed conveyance device 2. In this example, the backing sheet timed conveyance device 4 is provided below. As in the apparatus 2, the belt conveyor 23 on which the mount B is placed and conveyed, and the contact piece 24 provided coaxially with the belt conveyor 23 so as to always abut on the front end of the mount B, are slightly slower than the belt conveyor 23. It includes a chain conveyor 25 that runs around and a blower 26 that constantly presses the mount B against the belt conveyor 23. The lower-order mount regular-interval conveying device 4 is provided with the upper cover regular-time interval conveying device 2 at its forward position.
It is arranged to intersect with.

The belt conveyor 23 includes front and rear rolls 27.
And an endless belt 28 stretched around them. The chain conveyor 25 is a belt conveyor 2
3 and the front and rear sprockets 29 provided coaxially with the roll 27, and the endless chain 3
0, a contact piece 2 fastened to this and abutting against the front end of the backing sheet B
4 is provided. This piece 24 of the chain conveyor 25
Is designed so that each part of the belt conveyor 23 does not interfere with each part of the chain conveyor 8 of the cover sheet timed conveyance device 2 from the beginning. The blower 26 is a plurality (six) of axial fans, and is used as a draw-in type. The blower 26 transfers the mount B to the belt conveyor 2 by sending air from above to below.
3 is provided below the upper belt portion of the belt conveyor 23 so as to be pressed.

The laminating device 5 is a device for laminating and bonding the cover A from the cover regular-time transporting device 2 and the mount B from the mount regular-time transporting device 4. And a pair of upper and lower press rolls 32, which are located above the front side of the belt conveyor 23 of FIG. The presser belt conveyor 31 is formed on a presser roll 33 provided coaxially with the sprocket 13 on the front side of the chain conveyor 8 of the cover sheet timed conveyance device 2, an upper press roll 32 located on the front side thereof, and these. And an endless presser belt 34 that is fitted and suspended in the groove. The lower press roll 32
The upper press roll 32 is also used as the roll 27 on the front side of the belt conveyor 23 of the backing paper fixed time interval transport device 4.
Is provided to face above the lower press roll 32.

Thus, the cover regular-time interval transport device 2 and the mount regular-time interval transport device 4 maintain the respective contact pieces 7 and 24 of the chain conveyors 8 and 27 individually in contact with the front ends of the cover A and the mount B. The cover A and the mount B are in a predetermined state (for example, the cover A is slightly protruded from the mount B, or conversely, the mount B is the cover A
It is set so as to be superimposed in a state where it slightly protrudes forward, or in a state where the cover A and the mount B are accurately aligned.

Next, the operation will be described based on such a configuration. The cover A is supplied one by one by a cover supply device, is placed on the belt conveyor 6 of the cover regular-time transporting device 2 via the feeder 16, and the front end thereof contacts the contact piece 7 of the chain conveyor 8. They are combined and transported at regular intervals. At this time, since the chain conveyor 8 of the cover sheet timed conveyance device 2 is running slightly slower than the belt conveyor 6, the front end of the cover A is always brought into contact with the contact piece 7 while the cover A slides slightly on the belt conveyor 6. It is sent with a so-called pre-register.

The mount B is supplied one by one by a mount supply device, and the paste C is applied to the upper surface thereof by the paste transfer roll 17 of the paste applying device 3. The glued backing sheet B is placed on the belt conveyor 23 of the backing sheet timed conveyance apparatus 3 synchronized with the cover sheet timed conveyance apparatus 2, and its front end is brought into contact with the contact piece 24 of the chain conveyor 25. Are transported at regular intervals. At this time, since the chain conveyor 25 of the backing sheet timed conveyance device 4 is running slightly slower than the belt conveyor 23, the front end of the backing sheet B always abuts on the contact piece 24 while the backing sheet B slightly slides on the belt conveyor 23. It is sent with a so-called pre-register. The cover A from the cover time interval transport device 2 and the backing sheet B from the mount time interval transport device 4 are moved up and down by the belt conveyor 23 of the mount time interval transport device 4, the pressing belt conveyor 31 of the bonding device 5, and the bonding device 5. Are gradually polymerized by the press roll 32 and bonded to form a bonded product.

The gluing device 3 is provided not at a narrow portion between the mount regular-time transporting device 4 and the laminating device 5 as in the prior art, but at a preceding position of the mount regular-time transporting device 4 having a large space. Maintenance can be performed easily. Since the gluing device 3 is provided at a position in front of the backing sheet timed conveyance device 4, the overall structure of the slip sheet machine 1 can be simplified and cost can be reduced.

In the above example, the cover regular-time interval transporting device 2 and the backing sheet regular-time interval transporting device 4 are provided with the blowers 9 and 26, but the present invention is not limited to this.
The cover sheet timed conveyance device 2 and the backing sheet timed conveyance device 4
In the above example, each contact piece 7 of each chain conveyor 8, 25,
Although the cover A and the mount B are superimposed while 24 abuts on the front ends of the cover A and the mount B individually, the present invention is not limited to this. For example, immediately before the cover A and the mount B are superimposed, This piece 7,
Alternatively, the superposition may be performed after the front ends of the cover sheet A and the backing sheet B are brought into contact with only one of the 24.

[0026]

As described above, according to the present invention, as described above,
The following excellent effects can be obtained. (1) Consisting of a cover timed conveyance device, a gluing device, a backing timed conveyance device, and a bonding device. Especially, since the pasting device is provided at a position preceding the mount timed conveyance device, maintenance of the pasting device is performed. Inspection can be performed easily. (2) Since the gluing device is provided at a position prior to the backing sheet timed conveyance device, the structure of the entire slip sheet machine can be simplified and cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a side view showing an outline of a slip sheet machine of the present invention.

FIG. 2 is a plan view of FIG. 1, showing only approximately half.

FIG. 3 is an enlarged side view showing a main part of FIG. 1;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Inserting machine, 2 ... Cover time interval conveyance device, 3 ... Glue device, 4 ... Mount time interval conveyance device, 5 ... Lamination device, 6,2
3 ... belt conveyor, 7, 24 ... contact piece, 8, 25 ... chain conveyor, 9, 26 ... blower, 10, 27 ... roll, 11, 28, 37 ... belt, 12 ... tension roll, 13, 29 ... sprocket, 14, 30: chain, 15: gripping roll, 16: feeding device, 17: glue transfer roll, 18: glue amount adjusting roll, 19: rinsing roll, 20: rinsing tank, 21: water roll, 22: draining Doctor, 31: press belt conveyor, 32: press roll, 33: press roll, 34: press belt, A: cover, B: mount, C: glue.

Claims (4)

[Claims] 1. A cover sheet timed conveyance device for conveying a cover at regular time intervals, a gluing device for gluing a mount, and a timed transfer of a paste-lined base sheet in synchronization with the cover time interval conveyance device. And a laminating device for laminating and bonding the cover from the cover regular-time transport device and the mount from the mount regular-time transport device. 2. The cover regular-time transfer device and the mount regular-time transfer device include a belt conveyor on which a cover or a mount is placed and conveyed, and a contact piece disposed adjacent to the belt conveyor and having a front end of the cover or the mount. 2. The slip sheet machine according to claim 1, further comprising a chain conveyor that runs slightly slower than the belt conveyor so as to always match. 3. The interleaving machine according to claim 1, wherein the cover sheet timed conveyance device and the backing sheet timed conveyance device include a blower that constantly presses the cover sheet or the backing sheet against the belt conveyor. 4. The front cover / backing sheet transport apparatus and the backing sheet / time transmission apparatus can be configured such that the front end of the cover sheet and the backing sheet can abut on one of the chain conveyors immediately before the cover sheet and the backing sheet overlap. 4. The slip sheet machine according to claim 1, wherein