JPH1060800A - Recycled paper production equipment - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a recycled paper manufacturing apparatus capable of efficiently manufacturing a molded article having a three-dimensional, thick, and complicated shape with a stable quality. A defibrillator for cutting and pulverizing waste paper to process it into a flocculent shape, and supplying a predetermined amount of water and a glue material while stirring the flocculent material supplied from the defibrillator to form a large number of aggregates. A granulator for processing into a sponge body, a filling machine for filling and compressing the aggregated sponge body into a molding die, and passing the steam through the molding die filled with the aggregated sponge body to pass the paste material. A heating device for forming a molded product by adhering the aggregated sponge bodies in the mold to each other to form a molded product; and passing hot air through the mold in which the aggregated sponge bodies are adhered to each other by steam to form the aggregated sponge inside And a release machine for removing the dried molded product from the mold.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to old newspapers, old magazines,
The present invention relates to a recycled paper manufacturing apparatus for processing waste paper such as waste cardboard to recycle it into a buffer material, a plant culture medium, and the like.

[0002]

2. Description of the Related Art Japanese Patent Application No. Hei 7-113666 has proposed a regenerated product manufacturing apparatus for processing used paper to regenerate it into a buffer material, a plant medium, and the like. This manufacturing apparatus includes a defibrating machine that cuts and pulverizes waste paper into a floc, and supplies a predetermined amount of water and a glue material while stirring the floc supplied from the defibrating machine to form a large number of aggregates. A granulator for processing into a sponge body, a container-shaped form having a bottom wall formed of a gas-permeable member and having an open top, and moving the form from the granulator section toward the end of the production line. And a conveyor for transfer.
A sponge body transporting device for accommodating the aggregated sponge bodies processed by the granulator in a mold placed at the transfer start end of the conveyor, and steam in the mold halfway along the transfer path of the conveyor. And a heater for gluing the glue material to each other and gluing the aggregated sponges in the mold together, while pressing the aggregate of aggregated sponges in the mold to a predetermined thickness. A molding machine for circulating air for drying is provided in order toward the transfer end direction of the conveyor.

[0003]

However, the manufacturing apparatus of Japanese Patent Application No. Hei 7-113666 discloses a method in which an aggregate of aggregated sponge bodies to which a glue material is adhered is laid flat in a mold. Steam is passed through the mold in the heater, the paste material is gelatinized and the aggregated sponge bodies in the mold are adhered to each other, and then the aggregated sponge body in the mold in the molding machine. The air is circulated from top to bottom while the aggregate is pressed to a predetermined thickness, and is dried.
This was to produce a mat-like regenerated product.

[0004] That is, the above-mentioned manufacturing apparatus is particularly configured to be suitable for manufacturing a relatively thin and planar regenerated material such as a mat-shaped regenerated material. Corner pad used as a cushioning material when packing electrical appliances etc. (See Figs. 5 and 6)
However, there are some disadvantages when trying to efficiently and stably produce a three-dimensional, thick, and complicated shaped product such as that described above.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned disadvantages, and it is an object of the present invention to efficiently and stably maintain the quality of a molded product having a three-dimensional, thick and complicated shape. It is an object of the present invention to provide an apparatus for manufacturing a recycled product of waste paper that can be manufactured by being manufactured.

[0006]

Means for Solving the Problems The present invention is configured as follows to achieve the above object. That is, a fibrillation machine that cuts and pulverizes waste paper to process it into a flocculent shape, and supplies a predetermined amount of water and a glue material while stirring the flocculent material supplied from the fibrillation device to form a large number of aggregated sponge bodies. A granulator for processing into a mold, a filling machine for filling and compressing the aggregated sponge into a molding die, and passing the steam into the molding die filled with the aggregated sponge to gelatinize the paste material. And a heater for adhering the aggregated sponge bodies in the mold to each other to form a molded article, and passing hot air through the mold in which the aggregated sponge bodies are adhered to each other by steam to form an aggregated sponge therein. A dryer for drying the body and a release machine for extracting the dried molded product from the molding die are sequentially provided.

[0007]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing the overall arrangement of the manufacturing apparatus of the present invention. In FIG. 1, reference numeral 1 denotes an entire manufacturing apparatus, in which main components such as a defibrating machine 2, a granulating machine 3, a filling machine 4, a heating machine 5, a drying machine 6, and a release machine 7 are sequentially arranged. 2 is a front view showing the defibrating machine 2 to the granulating machine 3 of the manufacturing apparatus 1 in FIG. 1, and FIG. 3 is a granulating machine 3 to 3 of the manufacturing apparatus 1 in FIG.
FIG. 2 is a front view showing the release machine 7.

The manufacturing apparatus 1 is for manufacturing a molded article S (see FIGS. 5 and 6) such as a corner pad used as a cushioning material when packing, for example, home electric appliances from waste paper. In the following, an apparatus will be described for the case of manufacturing the molded product S. still,
It goes without saying that the molded product S may have a shape other than such a shape.

First, the defibrating machine 2 breaks the used paper into small pieces of about 3 cm on a side at an internal breaking portion (not shown), and pulverizes the broken paper in the defibrating machine 2 by an air current transfer device. The crushed paper is supplied to a crusher (not shown), and the crushed paper is pulverized while giving a predetermined moisture to be processed into a floc. The cotton-like material pulverized by the pulverizer is supplied to the granulator 3 by the airflow conveying device 100.

In the granulator 3, a rotating body (not shown) that freely rotates is coaxially arranged inside a cylindrical storage tank 31 whose upper and lower surfaces are closed, and a stirring blade (plow) is attached to the rotating body. Is fixed, water is sprayed in a shower shape while rotating the rotating body, and the cotton-like material in the storage tank 31 is aggregated into a spongy body (pill-shaped).
Formed. Thereafter, the spraying of water is stopped, and a predetermined amount of glue material is supplied into the storage tank 31 from a glue material supply device (not shown) provided in the storage tank 31 to adhere to the outer peripheral surface of the aggregated sponge body. Let it. Thereby, the diameter of 2-1 is stored in the storage tank 31.
A large number of flocculent spongy bodies W of about 0 mm are formed. A discharge port 32 opened and closed by a shutter is formed at the bottom of the storage tank 31, and the aggregated sponge W is discharged from the discharge port 32 onto the sieve device 110.

As shown in FIG. 4, the sieving device 110 is a conveyer having an inclined shape, and has a wire mesh on the bottom surface, and is vibrated by a motor. As a result, the aggregated sponge W having a particle size larger than the mesh of the wire mesh rolls along the inclination of the wire mesh and is collected in the collection container 111 placed at the front, while the aggregate having an appropriate particle size has passed through the mesh. The granular sponge W falls on the first belt conveyor 120 below.

At the end of the first belt conveyor 120, a second belt conveyor 130 is provided at right angles to the second belt conveyor.
A belt press 140 is provided at the top of the end of the belt conveyor 130. The belt press 140 is a conveyor type in which a belt is wound around two rollers, and one roller side is inclined so as to be close to the second belt conveyor 130, whereby the second belt conveyor 130 is moved. The conveyed aggregated sponge W is nipped and compressed so as to be sent out in the same direction as the second belt conveyor 130. Second belt conveyor 1
In the vicinity of the distal end of 30, a filling machine 4 including a fixed amount supply device 44, an XY table 45, and a pressurizing device 40 is arranged.

The fixed-quantity feeding device 44 has three horizontal screw conveyors (not shown) attached to the bottom of a box-shaped container having an open top, and further has a vertical screw conveyor at the tip of each horizontal screw conveyor. Screw conveyors (not shown) are attached. The vertical screw conveyor has a tapered shape with a small diameter at the lower end. The aggregated spongy bodies W that have fallen and accumulated in the container from the second belt conveyor 130 pass through the horizontal screw conveyor and the vertical screw conveyor according to the number of rotations of these screw conveyors. The fixed amount is supplied to the mold in the box 9 placed on the lower XY table 45 (see FIG. 7).

The box 9 has substantially square open upper and lower surfaces, respectively.
Each of two strip-shaped vertical members and two horizontal members is stretched at equal intervals, thereby providing nine holes. Also, a strip-shaped overhang is provided at the lower edge of the inner side wall of the box body 9, and the overhang and the above-mentioned vertical and horizontal members are used to directly overlie the holes, respectively. The mold is placed so as to be positioned.

The XY table 45 is, as shown in FIG.
A table which can be independently moved by a motor in an X direction (left-right direction) and a Y direction (front-back direction) in a horizontal plane. The box 9 is placed on the XY table 45, and the XY table The lower surface of the box 9 is fitted into a fitting portion (not shown) provided on
Is fixed. When the aggregated sponge W is supplied from the screw conveyor of the fixed amount supply device 44 to the molding die stored in the box 9, the XY table 45 moves freely back and forth and left and right depending on the setting, and is always aggregated. Are filled so as to be evenly distributed in the mold. This XY
A pressing device 40 is provided above the table 45.

The pressurizing device 40 comprises a three-stage pressurizing device provided in the front-rear direction (the direction facing the fixed-quantity supply device 44).
Is pressed down by the air cylinder 40a, whereby the aggregated sponge W filled in the mold is pressed and compressed. The three-stage pressurizing device can operate independently of each other. In this pressurization, the XY table 45 can be freely moved back and forth and left and right according to the setting, and each mold in the box 9 is pressurized at each stage. The aggregates of the spongy bodies W are compressed by moving directly below the members 40b. Above quantitative feeder 4
4, a heater 5 is provided next to the filling machine 4 including the XY table 45 and the pressurizing device 40.

The box body 9 after the aggregated sponge body W has been filled in a molding die and compressed, has a small crane (not shown) in which projections projecting from both side walls are provided at the upper part of the manufacturing apparatus 1. And is delivered to a walking beam (not shown) provided on the heater 5 side. The walking beam is a transfer device consisting of a moving gantry and a fixed gantry.
The object placed on the walking beam is transferred by performing a periodic movement from forward to downward to backward. The above box 9
Is transferred into the heater 5 by this walking beam.

The heater 5 has a quadrangular pyramid-shaped bottom cover opened upward below the transfer section of the box body 9 and a flat plate-shaped top cover above (see FIG. 3). A steam supply pipe is connected to a central portion of the lid, and an exhaust pipe penetrating vertically is provided in the upper lid. The upper lid is moved up and down by an air cylinder.

When the box 9 is placed on the bottom cover of the heater 5 by the walking beam, the upper cover is lowered and the upper and lower open surfaces of the box 9 are sealed. Thereafter, steam is supplied from the steam supply pipe, and the gas inside is discharged from the exhaust pipe. The heater 5 is placed in the box 9 at about 100 to 200 ° C.
Is passed for about 3 to 10 minutes, so that the glue material attached to the aggregated sponge bodies W in the mold is gelatinized, and the aggregated sponge bodies W are bonded to each other. After this, box 9
Again by the above-mentioned walking beam, the next dryer 6
Is transferred to

The dryer 6 comprises two drying sections, both of which have the same structure (see FIG. 3). That is, each has a quadrangular pyramid-shaped bottom lid opened upward below the transfer part of the box body, and a quadrangular pyramid-shaped upper lid opened downward symmetrically with the bottom lid above. . In each of the drying sections, a hot air supply pipe is connected to the center of the top lid, and a suction pipe is connected to the center of the bottom lid. The upper lid of each drying section is moved up and down by an air cylinder.

An air blower 63 is installed outside the dryer 6 (see FIG. 1).
Are connected by a hot air supply pipe, and a heat exchanger 64 for heating air by steam is provided in the middle of the hot air supply pipe. Further, a suction blower 65 is also provided outside the dryer 6 (see FIG. 1).
And are connected by a suction tube.

When the box 9 is placed on the bottom cover of the dryer 6 by the walking beam, the upper cover is lowered and the upper and lower open surfaces of the box 9 are sealed. Thereafter, the hot air is sent from above to below in the box 9, and at the same time, the air in the box 9 is sucked from above to below by the suction blower 65.

The box body 9 which has been dried in the first-stage drying section of the dryer 6 is transferred again to the second-stage drying section by the walking beam, and is dried in the same manner as in the first-stage. . Thus, even when the box 9 is successively transferred from the heater 5 to the dryer 6, the dryer 6
In this case, a drying time twice as long as the heating time in the heater 5 is secured, and the aggregated sponge W is sufficiently dried smoothly.

Next to the dryer 6, a release machine 7 is provided. The release machine 7 has nine release tools (not shown) arranged below the transfer section of the box 9 so as to match the positions of the 9 holes on the bottom surface of the box 9. This release tool is moved up and down by the air cylinder. When the box 9 is transferred to the release machine 7 by the walking beam, the release bar rises and pushes up the molded product S in the mold in the box 9, whereby the molded product S is formed. , That is, above the box body 9 to release the mold.

The present invention is not limited to the above examples. For example, the shape of a molded product may be a cylindrical shape, a square shape, a groove shape, or the like. Further, the number of molds arranged in the box may be more or less than nine.

[0026]

As is apparent from the above description, the apparatus for manufacturing a recycled paper product of the present invention can efficiently produce a molded article having a three-dimensional, thick, and complicated shape while stabilizing the quality. It has an effect that can be done.

[Brief description of the drawings]

FIG. 1 is a plan view showing the overall arrangement of an example of a regenerated product manufacturing apparatus according to the present invention.

FIG. 2 is a front view showing a defibrator to a granulator of the manufacturing apparatus in FIG.

FIG. 3 is a front view showing a granulating machine to a release machine of the manufacturing apparatus of FIG.

FIG. 4 is a perspective view showing a granulating machine to a filling machine of the manufacturing apparatus of FIG.

5 is a perspective view showing a state in which a corner pad as an example of a molded product formed by the manufacturing apparatus of FIG. 1 is used as a cushioning material.

FIGS. 6A and 6B are perspective views showing the molded product of FIG. 5, wherein FIG. 6A shows a state in which a concave portion is directed upward, and FIG.

FIG. 7 is a front view showing a filling machine of the manufacturing apparatus of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Reused paper manufacturing apparatus (whole) 2 Defibrillator 3 Granulator 31 Storage tank 32 Discharge port 4 Filler 40 Pressurizer 44 Quantitative feeder 45 XY table 5 Heater 6 Dryer 7 Release machine 9 Box 110 Sieving device 140 Belt press W Agglomerated sponge S Molded product

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Eisuke Nishioka 533, Hikari-shino, Yamaguchi

Claims (3)

[Claims] 1. A fibrillation machine for cutting and pulverizing waste paper to process it into a floc, and a plurality of aggregates formed by supplying a predetermined amount of water and glue while stirring the floc supplied from the fibrillator. A granulating machine for processing the sponge body of the present invention, a filling machine for filling and compressing the aggregated sponge body into a molding die, and passing the steam into the molding die filled with the aggregated sponge body to form the paste material. And a heater for forming a molded product by adhering the aggregated sponge bodies in the mold to each other to form a molded article, and passing hot air through the mold in which the aggregated sponge bodies are adhered to each other by steam. An apparatus for manufacturing a recycled product of waste paper, comprising: a dryer for drying a granular sponge body; and a release machine for extracting the dried molded product from a mold. 2. A plurality of molds are arranged in a box having upper and lower surfaces open, and the molds are transferred from a filling machine to a mold release machine in a state where the molds are arranged in the box. The recycled paper manufacturing apparatus according to claim 1, wherein: 3. A sieving device for removing an aggregated sponge body having an excessively large particle size, a sieving device for removing an aggregated spongy body having an excessively large particle size, and 3. The apparatus for manufacturing recycled paper waste according to claim 2, further comprising a belt press for preliminarily compressing the aggregated sponge body after the sponge body has been removed.