JPH0141759B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention is mainly used to transfer the press unit to dewater the automatically formed wet paper without requiring human labor when making Japanese paper. This paper-making device is capable of transferring paper to a belt, setting up a screen at its original position, and starting the next paper-making operation.

[Prior Art] This type of conventional paper making equipment has a slit installed on a stand that is equipped with a rocking section that shakes the paper stock into a uniform layer and an inclined section that tilts the top liquid to flow out. A bamboo cage formed by weaving thin bamboo wires with nylon threads, etc., was placed on top of this gap and held in place. The sloping portion acts to form a uniform layer of wet paper on the bamboo screen. The wet paper formed on this bamboo cage is removed from the gap along with this bamboo cage, and the bamboo cage is placed upside down on the transfer zone of the press section for dewatering so that the wet paper is facing downward. The bamboo cage is removed, and only the wet paper is transported to the press, where it is dried and formed into a complete washi paper. At this time,
The work of placing the wet paper from the paper machine onto the transfer zone is performed manually.

[Problem that the invention seeks to solve]

However, in the above-mentioned paper making apparatus, the work of placing the wet paper formed on the bamboo screen on the transfer belt of the press section to make perfect Japanese paper is done by input, so the work efficiency is low and production cannot be increased. In addition, the size of Japanese paper makes it difficult to turn over the bamboo cage, making it impossible to produce large single sheets.

[Means for solving problems]

In view of the above circumstances, this invention is designed to automatically transfer the wet paper formed on the bamboo cage to the transfer zone of the press section. A papermaking main body part that sandwiches and fixes a screen with a girder and an upper girder that can move up and down, and moves the girder to form a uniform layer of wet paper on the screen; and a suction part that absorbs moisture from the wet paper. , the wet paper on the screen is compressed by passing the screen between a vertically movable upper couch roll and a fixed lower couch roll, and an endless transfer belt wound around the upper couch roll; A couch part for transferring the wet paper to the transfer zone and a cage receiving part for receiving the cage after transferring the wet paper to the transfer zone are sequentially arranged on the forward rotation direction side of the roller in the gap, and A screen push/pull section is provided that moves the screen in the forward and reverse rotation direction of the gap roller, and when the screen moves from the papermaking main body side to the screen receiving section side by the operation of the screen push/pull section, the upper couch roll is lowered, and when the screen transfers to the screen receiving section, the upper couch roll rises, and the screen is moved from the screen receiving section side to the papermaking main body side by the action of the screen pushing/pull section. It is in.

[Effect]

According to the above means, the wet paper that is automatically formed on the screen is moved forward without bending on the rollers in the gap by the operation of the screen push/pull section, and after the wet paper is absorbed by the absorption section, the wet paper is automatically formed on the screen. It is guided between the upper couch roll and the lower couch roll of the couch section. At this time, the upper couch roll is descending, compresses and dehydrates the wet paper together with the screen, and transfers only this wet paper to the transfer zone. The wet paper is then dehydrated and dried to form Japanese paper.
The screen with the wet paper transferred to the transfer zone is transferred to the screen receiving section by the lower couch roll. Then, the upper couch roll rises, and the screen push/pull section is activated, so that the screen is returned to its original position on the plow roller, and the paper making operation can be resumed.

〔Example〕

Embodiments of this invention will be described below based on the drawings.

As shown in FIGS. 1 to 3, a paper making apparatus 1 according to an embodiment of the present invention includes a paper making main body part 2, a suction part 3,
It is composed of a couch part 4 and a screen receiving part 5,
The wet paper formed on the screen 6 of the papermaking main body 2 absorbs moisture in the suction section 3 provided on the front side of the papermaking main body 2, and is further compressed and dehydrated in the couch section 4 provided on the front side. Only the wet paper paper is transferred onto the transfer belt 8 of the press section 7. On the other hand, after the wet paper paper has been transferred onto the transfer belt 8, the cage 6 is transferred to the cage receiving section 5 installed on the front side of the couch section 4.

As shown in FIG. 4, the papermaking main body 2 is constructed by placing a gap 10 on which the screen 6 is pressed and fixed by a raised 9, and placing the gap 10 on a rotating roller 45, which is then driven by a motor 11. Therefore, a weight 46 that rotates the eccentric cam 12 to swing in one direction and returns the gap 10 to its original position is connected to the gap 10 via a pulley 47 and the swinging portion 13 and cylinder 14.
A pedestal 16 is provided with an inclined portion 15 that tilts with the rotating roller 45 as a fulcrum upon extension of the frame 16, and a stock tank 17 and a paper stock inlet 18 installed under this pedestal 16.
It mainly consists of a tank 18 having a.

The gap 10 is provided with a frame 19 and a plurality of rollers 20 that protrude upward from the frame 19 in parallel. It is installed so that it rotates in the front-back direction. The screen 6 is
As shown in FIG. 5, a stainless steel inner net 23 is laid on a non-flexible plate 22 having a large number of holes 21, and a bamboo cage 24 is provided on this inner net 23. The bamboo cage 24 is placed on rollers 20 with 10 spaces between them, and is movable in the direction of the cage receiving portion 5 in front without bending. At the rear end of this screen 6, there is provided a screen push/pull section 29 consisting of a cylinder 25, a rope 27 wound around a pulley 26, and a weight 28 lowered from the tip. At 25, the cage 6 is pushed out by a distance l to the couch portion 4, and the cage 6 moved to the cage receiving portion 5 is pulled back to the original clear position 10 by the gravity of the weight 28. The cage 6 is guided on both sides by rollers 30 provided on the frame 19 of the gap 10 during movement. The raised frame 9 is formed into a frame shape, and the cage 6 is pressed by a holding device 32 such as a cylinder provided on the frame 19 of the gap 10 to fix the gap 10. It's getting old. The paper stock transferred from the paper stock tank 17 to the tank 18 by the pump 51 or the like is stored in the cage 6 fixed by the gap 10 and the raised cage 9.
8 and the stock inlet 1 connected via a valve 52
It is designed to be introduced from 8a onwards. The absorption section 3 is provided on the front side of the papermaking main body section 2 so as to absorb moisture from the wet paper on the screen 6 passing through the upper part of the box 33 using an absorption pump or the like from the lower part of the rectangular box 33. ing. The couch part 4 is connected to the absorption part 3
It is composed of an upper couch roll 34 and a lower couch roll 35 on the front side of the roller, and the cage 6 passes between the upper couch roll 34 and the lower couch roll 35. The upper couch roll 34 can be moved up and down by a push/pull tool 36 such as a cylinder, and when the upper couch roll 34 is lowered to minimize the gap with the lower couch roll 35, the wet paper on the screen 6 is , compressed by the lower couch rolls 34 and 35, and compressed by the upper couch roll 34.
When the screen 6 is raised to maximize the gap with the lower couch roll 35, the screen 6 contacts the lower couch roll 35, but a gap is formed between it and the upper couch roll 34. The upper couch roll 34 also serves as a roll for the transfer belt 8, and is adapted to transfer the wet paper paper on the tray 6 onto the transfer belt 8. The lower couch roll 35 rotates so as to further transfer the cage 6 pushed a distance l by the cylinder 25 of the cage push/pull section 29 onto the cage receiving section 5. The screen receiving part 5 is provided with a plurality of rollers 39 arranged in parallel on a screen receiving frame 37 so as to rotate in the same direction as the ten rollers 20 and projecting upward from the screen receiving frame 37. The rollers 20 of the gap 10 and the rollers 39 of the cage receiving part 5 are supported by a support 40 so as to be at the same height, and are installed on the front side of the couch part 4. This screen receiving frame 37 is provided with roller rollers 30 similar to those provided on the frame body 19 of the gap 10, and is adapted to guide the screen 6. Further, a detector 41 such as a limit switch is provided on the front end side of the screen receiving frame 37, and when the sensor 41 detects the screen 6, it raises the upper couch roll 34 and stops the rotation of the lower couch roll 35. , screen push/pull part 29
The gravity of the weight 28 returns the screen 6 to its original position above the gap 10, allowing the next paper making operation to be carried out.

Forming Japanese paper using the paper making apparatus 1 described above is performed as follows.

The screen 6 was placed on the gap 10 rollers 20 of the papermaking main body 2, and the presser 32 was used to raise the screen 9.
Press this screen 6 and fix it to the gap 10.
Paper stock is put onto this screen 6 from the paper stock input port 18a, and the cleared paper 10 is shaken several times on the shaking section 13 to form a uniform paper layer on this screen 6, and the paper stock that has passed through the slope section 15 is shaken several times on the swing section 13. It is tilted so that the liquid on top of the screen 6 flows out into the stock tank 17. Then, wet paper is formed on the bamboo screen 24 of the screen 6. Next, the presser 32 is released and the raised 9 is separated from the screen 6, and the screen push/pull part 29
When the cylinder 25 is operated, the screen 6 moves to the front suction section 3, where the moisture of the wet paper on the screen 6 is absorbed from the hole 21 side of the plate 22 of the screen 6. Furthermore, after the screen 6 is pushed between the upper couch roll 34 and the lower couch roll 35 of the couch section 4 by the piston rod 25 of the cylinder 25 of the screen push/pull section 29, it is pushed by the rotational movement of the transfer band 8. It is transferred to the front screen receiving section 5. At this time, the upper couch roll 34 has been lowered, and the upper couch roll 34 and the lower couch roll 3
At 4, 35, the wet paper is squeezed together with the screen 6,
Only the wet paper is transferred to the transfer belt 8 by the upper couch roll 34, and the cage 6 is transferred to the lower couch roll 35.
is transferred to the screen receiving section 5. After this wet paper is transferred to the press section 7, it is dried and formed into Japanese paper. On the other hand, the screen 6 is detected by the detector 41 of the screen receiving section 5, and the upper couch roll 34 rises and the rotation of the lower couch roll 35 is stopped. 6
is moved to its original position above the gap 10 in the papermaking main body 2. In this way, the wet paper formed on the screen 6 is automatically transferred to the transfer belt 8, and the screen 6 is returned to its original position above the gap 10 by the screen push/pull section 29, so that the paper making work can be carried out. It can be done continuously.

〔Effect of the invention〕

As is clear from the above explanation, the work of transferring the wet paper formed in the paper making body to the transfer belt can now be performed automatically, eliminating the need for manual work and improving the production of washi paper. It can be carried out continuously and the production volume can be increased. In addition, large-sized washi paper, which cannot be transferred manually, can be produced by increasing the size of the paper-making equipment.

[Brief explanation of drawings]

1 to 5 show embodiments of this invention,
Figure 1 is a front view, Figure 2 is a plan view when the screen is on top of the gap, Figure 3 is a plan view when the screen is moved to the screen receiver, and Figure 4 is a side view of the main body of the paper machine. , 5th
The figure is a partial cross-sectional perspective view of the screen. DESCRIPTION OF SYMBOLS 1... Paper making device, 2... Paper making main body part, 3... Suction part, 4... Couch part, 5... Screen receiver part, 6...
Screen, 8... Transfer belt, 9... Raised, 10... Cleared, 20... Roller, 29... Screen push/pull section, 34
...Upper couch roll, 35...Lower couch roll.

Claims (1)

[Claims] 1. A papermaking main body that clamps and fixes a screen between a gap provided with rollers on the top surface and a top that can move up and down, and moves this gap to form a uniform layer of wet paper on the screen; A suction unit that absorbs moisture and the screen are passed between a vertically movable upper couch roll and a fixed lower couch roll to compress the wet paper on the screen and wind it around the upper couch roll. A couch part that transfers the wet paper onto the endless transfer belt and a cage receiving part that receives the wet paper after transferring it to the transfer belt are sequentially arranged on the forward rotation direction side of the gap roller. Further, a screen push/pull section is provided to move the screen in the forward and reverse rotation direction of the gap roller, and the screen is moved from the papermaking main body side to the screen receiving section side by the operation of the screen push/pull section. At this time, the upper couch roll is lowered, and when the screen is transferred to the screen receiving section, the upper couch roll is raised, and the screen is moved from the screen receiving section side to the papermaking main body side by the action of the screen pushing/pulling section. A paper making device characterized in that it is configured to be movable.