JPH09253522A - Crusher for wastes containing material unfit to be crushed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent wastes from falling left as they are large crushed pieces to surely perform crushing separation by transferring wastes which have been crushed by a pair of upper crushing rollers and a lower crushing roller arranged thereunder to one side along a cover by the lower crushing roller and discharging them from a discharge port. SOLUTION: When making crushing treatment of wastes incorporating motors or the like unfit for crushing (material unfit for crushing), material to be treated W (particularly, a frame) is crushed by upper crushing rollers 3, 4, but material unfit to be crushed which is difficult to crush is passed between a crushing blade 10 and a feed blade 11 and between each crushing roller and the inner wall of a casing, and is transferred to the discharge port side by a lower crushing roller 5. At this time, by providing a cover 14 in the lower part, large crushed pieces are prevented from falling left as they are, and are crushed again by the lower crushing roller 5 and the upper crushing roller 4 and discharged from a discharge port in the lower part. An auxiliary crushing blade may be provided in a discharge area of the lower crushing roller 5, and also a screen may be provided in the lower part of the discharge area.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste containing a motor, a compressor or the like (hereinafter referred to as an unsuitable material for shredding) which is unsuitable for shredding, such as a refrigerator or a washing machine. The present invention relates to a crushing device for waste containing unsuitable materials for crushing, which crushes and separates other containers or frames (hereinafter simply referred to as "frames") to be passed.

[0002]

2. Description of the Related Art For wastes containing unsuitable materials for crushing, usually, a means for manually removing the unsuitable materials for crushing, crushing the frame, and then selecting the material for forming the crushed frame is adopted. There is.

[0003]

However, in this method,
It takes time to crush the frame, and there is a problem in the working environment such as noise and pollutant treatment. Moreover, the frame is made up of various materials such as a heat insulating material together with the iron plate, and it takes time to classify it. There's a problem. In view of the above points, the present invention treats harmful substances such as CFCs by an appropriate means, and thereafter, even if a crushing unsuitable material is added, the crushing unsuitable material is not affected and other The purpose is to crush and separate the frame, etc. to facilitate the subsequent processing.

[0004]

SUMMARY OF THE INVENTION To achieve the above object, a crushing apparatus for waste containing unsuitable crushing objects of the present invention comprises an upper crushing roller paired in parallel and a lower crushing roller arranged below the roller. Each crushing roller has a gap between the crushing roller and the inner wall of the housing to allow passage of unsuitable crushing objects contained in the waste, and the lower side of the lower crushing roller covers a position facing the upper crushing roller. It is characterized in that it is covered by a lid, and the waste material crushed by each crushing roller is moved to one side along the cover by the lower crushing roller and discharged below the discharge hole.

According to the present invention having the above-mentioned structure, the crushing roller is allowed to pass through between the crushing roller and the inner wall of the housing, but the frame is crushed and separated. At this time, unsuitable materials for crushing and large crushed pieces, etc. do not fall as they are by providing a cover, and the crushed pieces are crushed again by the lower crushing roller and one upper crushing roller, Then, it shifts to the lateral direction and is discharged from the discharge port.

According to a second aspect of the invention, one of the upper pair of crushing rollers forming the parallel pair is a screw-shaped crushing blade having a coarse pitch that allows passage of an unsuitable material for crushing, and the other crushing roller is supplied. It is characterized in that it is a feed-in blade comprising a disc-shaped holding blade for holding waste and a biting blade parallel to an axis for shifting in a biting direction.

According to the present invention having the above-mentioned construction, the processed material to be supplied is held by the holding blade, is moved in the biting direction by the biting blade, and is crushed by the screw-shaped crushing blade. At this time, the screw-shaped crushing blade does not hinder the crushing of the frame because the screw-like crushing blade has a coarse pitch that allows passage of unsuitable materials for crushing.

According to a third aspect of the invention, the lower crushing roller has a length facing the upper crushing roller and a length facing the discharge port, and the lower crushing roller faces the lower crushing roller for cutting at the discharge hole position of the casing. It is characterized by having a fixed knife.

According to the present invention having the above-mentioned structure, when the crushing roller is crushed by the upper crushing roller and then transferred to the lateral discharge port, the fixed knives are provided to crush the processed material protruding from the lower crushing blade. To be done.

A fourth invention is that the lower crushing roller is
It is characterized in that a sub-crushing blade having a coarser pitch than the screw-shaped crushing blade and having a twist angle in the opposite direction is provided at a position facing the discharge port.

According to the present invention having the above-mentioned structure, after being crushed by the upper crushing roller, the crushed material having a large particle size is scraped up by the auxiliary crushing blade when transferred to the lateral discharge port, and the auxiliary crushing is performed. It is crushed into smaller pieces with a blade and a fixed knife.

A fifth aspect of the invention is characterized in that the discharge port is provided with a screen which allows passage of an unsuitable material for crushing.

According to the present invention having the above-mentioned structure, the crushing unsuitable material passes through the screen when crushed by the upper crushing roller and then transferred to the lateral discharge port, but a frame larger than the crushing unsuitable material. The particles are not scraped by the screen through the discharge port, but are scraped up by the auxiliary crushing blade and crushed by the auxiliary crushing blade and the fixed knife to a size that passes through the screen.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The drawings show an embodiment of the present invention, in which a waste crushing apparatus 1 containing unsuitable materials for crushing is provided with a housing 2 whose upper and lower sides are open, and a parallel housing accommodated in the housing 2. It comprises a pair of upper crushing rollers 3 and 4, and a lower crushing roller 5 located below it. The housing 2 is divided into two parts in the left-right direction (perpendicular to the roller axis) by a partition wall 6, one is a crushing area A, the other is a discharging area B, and an upper portion of the discharging area B is covered with a cover 7.

One of the upper crushing rollers 3 is provided with a screw-shaped crushing blade 10 in the crushing area A, and the other upper crushing roller 4 is likewise provided in the crushing area A with a disc-shaped holding blade 1.
1a and its holding blade 11a bite blade 1 along the axis
It is provided with a feed-in blade 11 made of 1b so as to shift the workpiece to be fed in the biting direction as it rotates and prevent it from shifting in the axial direction. The gap between the crushing rollers 3 and 4 and the inner wall 2a of the housing 2 forms a gap that allows passage of unsuitable crushing substances contained in the processed material. The size of unsuitable material for crushing is household appliances (eg washing machine, refrigerator)
Since the maximum diameter is about 130 mm, the clearance from the inner diameter of the screw to the side wall is 1 mm.
About 50 mm is preferable.

The lower crushing roller 5 is provided with a screw-like crushing blade 12 having a length extending over the crushing area A and the discharging area B, and if necessary, the discharging area B is provided with a coarser pitch than the screw blade 12 and a reverse twist angle. The auxiliary crushing blade 13 is provided. If the auxiliary crushing blade 13 is provided so as to project into the crushing area A, it is preferable to provide the auxiliary crushing blade 13 without protruding into the crushing area A because it prevents discharge of unsuitable materials for crushing.

A cover lid 14 is attached to the lower portion of the crushing area A of the housing 2, the lower portion of the discharge area B is opened, and the partition wall 6 is provided.
An arcuate cutting blade 15 centering on the lower crushing roller 5 is formed in the lower part of the lower crushing roller 5, and the upper part of the lower crushing roller 5 has an upper cover plate 16 of the same shape as the cutting blade 15 along the cutting blade 15.
The fixed knife 17 is attached so as to face the lower crushing roller 5. However, the gap between the cover lid 14 and the lower crushing roller 12 also forms a gap that allows passage of the unsuitable crushing material w. 18
Indicates protective plates attached to both sides of the lower part of the housing. In addition,
As shown in FIG. 9, it is preferable to provide a screen 20 (150 mm square mesh screen or the like) that allows passage of unsuitable materials for crushing, if necessary, in the lower part of the discharge area B.

In the above-mentioned structure, for example, as shown in FIG. 10, when a processed material W including unsuitable materials for crushing w1 and w2 (hereinafter simply referred to as w) such as a motor is loaded, the processed materials are treated by the upper crushing rollers 3 and 4. Although the frame wa is crushed, the unsuitable crushing object w that is difficult to crush is allowed to pass between the crushing blade 10 and the feeding blade 11 and between each crushing roller and the inner wall of the housing. Therefore, only the frame is crushed and transferred by the lower crushing roller 5 to the discharge port side. At this time, the large crushed pieces are crushed again by the lower crushing roller 5 and the upper crushing roller 4 without falling down because the cover 14 is provided at the lower part, and the lower crushing roller 5 makes the discharge port side. Will be moved to. At that time, the frame protruding from the crushing blade 12 is crushed again by the cutting blade 15 and the fixed knife 17, and discharged from the lower discharge port. Further, when the auxiliary crushing blade 13 is provided in the discharge area B of the lower crushing roller 5 and the screen 20 is provided in the lower part of the discharge area B, a crushed piece larger than the hole 21 of the screen 20 (long frame or the like) is generated. Even when it moves along the cover lid 14, it is surely scraped up by the auxiliary crushing blade 13 and crushed by the auxiliary crushing blade 13 and the fixed knife 17 to a size that passes through the screen.

[0019]

As described above, according to the present invention, an effective crushing action is applied to the frame of a processed material containing an unsuitable material for crushing, and a cover lid is provided at the lower part of the crushing area. Large crushed pieces that have not been sufficiently crushed will not fall as they are, and crushing separation can be reliably performed. Therefore, since only the frame is crushed, it is possible to easily take out unsuitable materials for crushing and sort the materials constituting the frame. At this time, one of the upper crushing rollers forming a parallel pair is a screw-shaped crushing blade with a coarse pitch that allows passage of unsuitable materials for crushing, and the other crushing roller moves the supplied waste in the biting direction. When the feed blade is held for a long time, the unsuitable crushing object contained in the supplied processed material does not hinder the crushing work, and the frame can be crushed reliably. Further, when a cutting blade is provided on the discharge port side so as to face the lower crushing roller, by crushing the portion protruding from the crushing blade, it is possible to surely crush a large crushed piece again. Furthermore, when a secondary crushing blade is provided in the discharge area and a screen is provided in the lower part of the discharge area, the discharge of unsuitable materials is permitted, but a long frame that can be crushed surely crushes to a size that can pass through the screen. To be done.

[Brief description of drawings]

FIG. 1 is a plan view of a crushing apparatus for waste containing unsuitable crushing objects according to the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a bottom view in FIG. 1;

FIG. 4 is a sectional view taken along line XX in FIG.

5 is a cross-sectional view taken along the line YY in FIG.

FIG. 6 is a front view of one upper crushing roller.

FIG. 7 is a front view of the other upper crushing roller.

FIG. 8 is a front view of a lower crushing roller.

FIG. 9 is an explanatory diagram showing a screen. 1A is a perspective view thereof, and FIG. 1B is a bottom view of FIG. 1 with a screen attached.

FIG. 10 is a schematic explanatory diagram of a processed product.

[Explanation of symbols] 1 crushing device for waste containing inappropriate crushing material 3 upper crushing roller 4 upper crushing roller 5 lower crushing roller 10 crushing blade 11 feeding blade 14 cover lid 17 fixed knife for cutting

Claims (5)

[Claims] 1. A parallel pair of upper crushing rollers and a lower crushing roller arranged below the pair of upper crushing rollers, each crushing roller allowing passage of unsuitable crushing materials contained in waste between the crushing roller and the inner wall of the housing. There is a gap to allow, and the lower side of the lower crushing roller is covered by a lid that covers the position facing the upper crushing roller, and the waste crushed by each crushing roller is covered by the lower crushing roller to one side along the lid. A device for crushing waste containing unsuitable materials for crushing, characterized in that it is transferred and discharged below a discharge hole. 2. One of the parallel pair of upper crushing rollers is a screw-shaped crushing blade having a coarse pitch that allows passage of unsuitable materials for crushing, and the other crushing roller holds supplied waste. The crushing device for waste containing crushing unsuitable substances according to claim 1, wherein the crushing device is a feed-in blade comprising a disc-shaped holding blade and a biting blade parallel to an axis for shifting in a biting direction. 3. The lower crushing roller is a screw-shaped crushing blade having a length facing the upper crushing roller and a length facing the discharge port, and a cutting hole facing the lower crushing roller at the discharge hole position of the casing. The apparatus for crushing waste containing unsuitable materials for crushing according to claim 1 or 2, further comprising a fixed knife. 4. The lower crushing roller is provided with an auxiliary crushing blade having a coarser pitch than the screw-like crushing blade and a twist angle in the opposite direction at a position facing the discharge port. Equipment for crushing waste including unsuitable materials. 5. The screen according to claim 3, wherein the discharge port is provided with a screen that allows passage of an unsuitable material for crushing.
A device for crushing waste containing unsuitable materials for crushing.