JP3118166B2 - Compression recovery device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compression and recovery apparatus using a feed screw, and more particularly to a compression and recovery apparatus for compressing and collecting paper waste.

[0002]

2. Description of the Related Art In a textile factory that performs papermaking, paper processing, spinning, and textile processing, a large amount of pulp fiber, paper waste (including cut waste), fly cotton, yarn waste, etc. Dust collection equipment is provided to collect the compressed waste and discharge it to the outside of the factory. In the final step of the dust collection equipment, a fiber for compressing and collecting the compressed waste is provided. A separator is provided.

Conventionally, as this type of separator, there is a separator disclosed in Japanese Patent Application Laid-Open No. Hei 7-11525. This separator is equipped with a large-diameter upper and lower small-diameter inverted cone-shaped outer cylinder with numerous holes drilled in a box-shaped main body, and a screw blade with a vertical axis is rotatably mounted in the outer cylinder. A fiber waste introduction portion is provided above the screw blade, that is, above the box-shaped main body, and a fiber waste discharge port is provided below the outer cylinder.

[0004] On the other hand, in recent offices, a large amount of tape-shaped paper dust is generated by cutting off the edges of printing paper of a computer. Therefore, it is conceivable to compress and recover such tape-shaped paper waste using the above-described separator. In this case, if the long paper waste is supplied to the separator as it is, it is wound around the screw blade and clogged in the outer cylinder and cannot be discharged. Therefore, the paper waste is cut into a length of about 20 cm and then supplied to the separator.

[0005] In order to cut the paper waste, a cutter blower for blowing and cutting is provided in the middle of the paper waste supply pipe to the separator, and a cyclone is arranged in front of the introduction portion of the separator.

[0006]

In the above prior art,
When the tape-shaped paper waste is compressed and collected, a cutter blower and a cyclone are required, so that there is a drawback that the device height is large and the equipment cost is high. In addition, cutting paper dust with a cutter blower generates a loud noise, and thus it is difficult to install the paper dust in an office where quietness is required.

SUMMARY OF THE INVENTION The present invention has been made in view of the above situation, and has as its object to eliminate the need for a cutting means for paper waste and the like and a cyclone, to process the paper as it is, and to greatly reduce noise. It is an object of the present invention to provide a compression recovery apparatus which can be operated quietly and can reduce the height of the apparatus and greatly reduce the equipment cost.

[0008]

According to the present invention, the following technical measures have been taken to solve the above-mentioned problems. That is, the present invention provides a cylindrical casing that is disposed horizontally and has an outlet for compressed debris at an axial end and a supply port for compressed debris on the upper side, and is rotatably provided in the casing. A feed screw, and a compression recovery device including a compression discharge means provided at an outlet of the casing, wherein a lower portion of the casing is formed of a porous body,
An outer casing having an opening is provided outside the porous body, and an air suction means is connected to the opening of the outer casing (claim 1).

As described above, by forming the lower portion of the casing with a porous body, the material to be compressed, such as tape-shaped paper dust, is attracted to the porous body side and is unevenly distributed in the lower portion of the casing. Therefore, the material to be compressed is smoothly fed in the axial direction by the screw blade without winding around the feed screw. Thereafter, the material to be compressed is compressed by a compression discharge means provided at the outlet of the casing and discharged from the outlet.

Further, according to the present invention, since the rotation restricting member for the compressed debris is disposed on the inner surface of the casing in parallel with the axis so as not to interfere with the screw, paper debris and the like are strongly adsorbed on the inner surface of the porous body. Is prevented, and winding around the screw can be prevented (claim 2). Furthermore, the present invention is configured such that, in the axial direction range of the casing in which the rotation restricting member is not provided, a scraper that slides on the inner peripheral surface of the porous body is provided on the outer peripheral end of the proximal end blade of the screw. (Claim 3).

In this case, paper scraps remaining on the screw base end side (the side opposite to the outlet) of the porous body of the casing are positively pushed toward the outlet by the scraper, and are smoothly deposited without being deposited in the casing. And it can transfer and discharge reliably, and the function of the rotation restricting member can be fully exhibited.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 6 illustrate the present invention,
Particularly, an embodiment is shown in which the present invention is applied to the compression recovery of tape-shaped paper waste. The compression recovery device 1 is mounted on a support frame 3 housed in a box-shaped device case 2,
A cylindrical casing 6 that is disposed horizontally and has an outlet 4 for compressed debris at an axial end and a supply port 5 for compressed debris on the upper side, and is rotatably provided in the casing 6. A feed screw 7 and a drive motor 9 with a speed reducer 8 which is a rotary driving means thereof; a compressed waste compressing / discharging means 10 connected to the outlet 4 of the casing 6; Body 13 having a body 11 and an opening 12 covering the outside of the porous body 11
And an air suction means including a fan 14 and a drive motor 15 connected to the opening 12.

A plurality of compressed waste supply pipes 17 are connected to the supply port 5 via a collecting box 16. The rotary shaft 18 of the screw 7 is supported by the casing 6 via a bearing 19, and the output shaft (not shown) of the speed reducer 8 is connected to the outer end of the base. The outer diameter of the blade 7A of the screw 7 is such that an arbitrary gap D is formed between the outer diameter of the blade 7A and the inner diameter of the casing 6 (see FIG. 1).

At the base end of the screw blade 7A (opposite to the outlet 4), a compressed scrap scraper 20 made of felt, a brush or the like is provided on the outer peripheral end of the blade 7A. The scraper 20 forcibly pushes the compressed debris staying in the casing 6 toward the outlet 4.

As shown in FIG. 1, the porous body 11 is formed by forming a perforated plate, for example, a punched metal into a substantially U-shape having a curved portion having the same diameter as the inner diameter of the casing 6. It is positioned and fixed to form a part of the casing 6. The porous body 11 and the jacket 1 covering the porous body 11 from outside.
The gap with 3 is sized to make the air flow smooth.

On the inner surface of the casing 6 including the porous body 11, a square rod-shaped compressed debris rotation regulating member located on the lower side and both side portions and extending to the outlet 4 except for the rotation range of the scraper 20 is provided. A member 21 is fixed in parallel with the axis of the casing 6 so that the outer peripheral end of the screw blade 7A does not come in contact with the member 21. It is prevented from winding (see FIG. 5).

The fan 14 is inserted into the opening 12 of the outer casing 13 through a connection pipe 22 having a lower part in the shape of a hopper.
The suction port 14 </ b> A is connected so as to forcibly discharge the compressed debris conveying air from the casing 6. The outlet of the fan 14 is connected to a filter box 24 provided in the apparatus case 2 through a silence elbow 23.
(Dust collection filter), collects dust and the like mixed in the carrier air, and releases it to the atmosphere as clean air.

As shown in FIG. 6, the compressed waste compression / discharge means 10 includes a tapered cylindrical compression body 25 connected to the outlet 4 of the casing 6 and an outer cylinder covering the outer periphery of the compression body 25. Body 26, a discharge cylinder 27 connected to the tip of the outer cylinder 26, and an urging force adjusting mechanism 28 provided on the outer cylinder 26.
And The compression body 25 includes four gutter members 29.
Are tapered by bundling them so that they can contact and separate from each other so that the inside faces each other. This gutter member 29 is
It comprises a tapered gutter portion 29A whose left and right end edges are tapered and cut, and an arc-shaped mounting flange 29B fixed to the outer peripheral edge of the base end portion of the gutter portion 29A.

A fixing flange 30 for connecting the outer cylinder 26 to the outlet flange 4A of the casing 6 is formed at the base opening edge of the outer cylinder 26, and the flange 30 and the outlet flange 4A are formed. Accordingly, the mounting flange 29B is sandwiched via the ring 31 so as to be swingably mounted, and the gutter members 29 can freely contact and separate from each other in the outer cylindrical body 26. A rubber spacer ring 32 is interposed between the mounting flange 29B and the fixing flange 30.

At the four locations in the circumferential direction of the outer peripheral surface of the outer cylinder 26, a bottomed cylindrical storage cylinder 33 whose axial center is directed in the radial direction of the outer cylinder 26 is fixed. In the cylinder 33,
A coil spring (biasing means) 34 for biasing each gutter member 29 of the compression body 25 from its outer peripheral surface in a radially inward direction is housed. That is, each storage tube 33 has its inner opening portion
6 and is welded to the outer peripheral surface of the outer cylinder 26 so as to correspond to the center of the outer surface of each gutter member 29, respectively.
Each gutter member 29 is biased radially inward by pressing the inner end of a coil spring 34 fitted in the storage cylinder 33 against the center of the outer surface of each gutter member 29.

Each of the storage cylinders 33 has an adjusting mechanism 2 for adjusting the urging force of each of the gutter members 29 by a coil spring 34.
8 are provided. The adjusting mechanism 28 includes a tightening bolt 37 tapped on a bottom plate 35 of the storage cylinder 33 via a nut 36, and a pressing plate 38 fixed to an inner end of the bolt 37.
By changing the length of the coil spring 34 by retracting the tightening bolt 37 in the radial direction of the outer cylindrical body 26,
The biasing force of the coil spring 34 can be adjusted.

A turntable 39 is installed in the case 2 at a position below and forward of the discharge cylinder 27 for discharging the debris to be compressed, and the two debris collection bag receiving frames 4 are placed on the turntable 39.
Numerals 0 are arranged symmetrically with respect to the table rotation shaft 41, and a dust collecting bag 42 made of vinyl or the like is mounted inside the receiving frame 40. Reference numeral 43 denotes an operation panel, which can be operated from the outside of the device case 2. An opening / closing door 44 is provided on a front wall of the device case 2 so that the dust collecting bag receiving frame 40 can be taken in and out.

Next, the operation of the above embodiment will be described. The long tape-shaped paper waste (compressed waste) sent from each supply pipe 17 together with the carrier air by a carrier means (not shown) is supplied into the casing 6 through the collecting box 16 and the fan 1
The suction force by the suction member 4 causes the suction member 7 to be sucked onto the inner surface of the porous body 11, but is forcibly conveyed toward the outlet 4 because the feed screw 7 is rotated.

In this case, the blade 7A on the screw 7 base end side
The paper scraps at the bottom of the casing 6 on the screw base end side are forcibly conveyed toward the outlet 4 by the scraper 20 fixed to the screw 4 and do not stay. Further, due to the suction force of the fan 14 and the compressed debris rotation restricting member 21, the paper debris is also generated by the rotation of the blade 7 </ b> A.
It is pushed out toward the outlet 4 without turning around inside. Therefore, even if the paper waste is long, it is not wound around the screw 7 and clogged, and can be smoothly and reliably extruded.

When the paper waste passes through the compressor body 25 from the casing outlet 4, the paper waste is compressed radially inward by each gutter member 29, and is discharged as a lump from the tip of the discharge tube 27. It falls into the set waste collection bag 42. Each gutter member 29 of the compression body 25 is a coil spring 3
4, the gutter members 29 are opened radially outward when excessive paper chips are conveyed to the outlet 4 of the casing 6, so that the paper chips are not clogged. .

Further, in the above embodiment, the coil spring 3
4 can be freely adjusted by the adjusting mechanism 28, and when the degree of compression of the paper dust is insufficient, the tightening bolt 37 is used.
If there is a possibility of clogging due to excessive compression, the urging force by the coil spring 34 may be adjusted by loosening the tightening bolt 37 or the like. Further, according to the above-described embodiment, since the silencing elbow 23 is provided at the outlet of the fan 14, the exhaust noise can be reduced and quiet operation can be performed. Therefore, the exhaust gas can be released into the atmosphere as clean air.

Further, according to the above embodiment, the device 1,
The filter box 24, the receiving frame 40 of the waste collection bag 42, its turntable 39, and the operation panel 43 are mounted on the device case 2.
Since it is housed compactly and has a reduced height, it can be easily installed in a room such as an office and can be operated quietly. The present invention is not limited to the above-described embodiment. For example, the scraper 20 can be eliminated by setting the base end of the screw 7 to the end edge of the supply port 5, and the porous body 11 is provided in the lower half of the casing 6. And a mesh body made of a wire mesh or a slit can be adopted in place of the perforated plate.
The design of 0 can also be changed as appropriate, for example, by adopting other cultivation, and it is needless to say that it can be adopted for the compression and recovery of various types of compressed waste other than paper waste.

[0028]

According to the present invention, at least the lower portion of the casing is formed of a porous body, and air suction means such as a fan is connected below the casing, so that the compressed debris is sucked to the porous body. In this state, the compressed waste can be conveyed toward the outlet, and the compressed debris can be prevented from rotating together with the feed screw and can be prevented from winding around and clogging the screw.

Therefore, when compressing and recovering long tape-shaped paper debris, continuous processing can be performed without the need for a cutter blower or cyclone as in the conventional case, noise can be eliminated, the height of the apparatus can be reduced, the cost can be reduced, and the cost can be reduced. It is possible to achieve a reduction, and it is possible to realize a quiet operation by installing the apparatus in an office (claim 1). According to the second aspect of the present invention, since the rotation control member for the compressed debris is provided, the rotation of the compressed debris is prevented, the winding around the feed screw can be prevented, and the compressed debris is discharged to the outlet. It can be transported reliably toward.

Further, according to the third aspect of the present invention, since the scraper provided on the feed screw pushes out the compressed debris staying in the casing toward the outlet, it is possible to prevent the compressed debris from accumulating and clogging in the casing. Can be effectively prevented.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part (A in FIG. 2) showing an embodiment of the present invention;
FIG.

FIG. 2 is a front view of the same embodiment taken along line BB of FIG. 3;

FIG. 3 is a side view taken along line CC of FIG. 2;

FIG. 4 is a plan view taken along line DD in FIG. 3;

FIG. 5 is an enlarged longitudinal sectional front view of a main part of the embodiment.

FIG. 6 is a longitudinally enlarged front view showing a compression discharge means for compressing debris in the embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 Compression and recovery device for compressed debris 4 Outlet 5 Supply port 6 Casing 7 Feed screw 7A Blade 10 Compression discharge means 11 Porous body 12 Opening 13 Outer body 14 Fan (air suction means) 20 Scraper 21 Rotation regulating member

Claims (3)

(57) [Claims] 1. A cylindrical casing (6) which is arranged horizontally and has an outlet (4) for compressed waste at an axial end and a supply port (5) for compressed waste on an upper side, A compression recovery device comprising: a feed screw (7) rotatably provided in a casing (6); and a compression discharge means (10) provided at an outlet (4) of the casing (6). The lower part of the casing (6) is constituted by a porous body (11), and an opening (12) is formed outside the porous body (11).
A compression recovery device characterized in that an outer cover (13) having an air suction means (14) is connected to an opening (12) of the outer cover (11). 2. The device according to claim 1, wherein a rotation restricting member for the compressed debris is disposed on an inner surface of the casing so as not to interfere with the screw. Compression recovery device. 3. A porous body (11) is provided at an outer peripheral end of a proximal blade (7A) of the screw (7) in an axial range of the casing (6) where the rotation regulating member (21) is not provided. The compression and recovery device according to claim 2, further comprising a scraper (20) that slides on an inner peripheral surface of the compression recovery device.