CN205308484U - Grinder - Google Patents

Abstract

The utility model provides a crushing device, which belongs to the technical field of environmental protection equipment. It solves the problems that the crushing effect of the existing machines for crushing waste cables is not uniform enough, the particle size is not small enough, and the like. The crushing device includes a machine body. A rotating shaft driven by a motor is provided in the crushing chamber of the body. A knife holder is set on the rotating shaft. There is a fixed knife that cooperates with the blade to crush raw materials. The inner wall of the crushing chamber is equipped with a detachable and replaceable guard plate. The guard plate can avoid a lot of wear on the inner wall of the box during the working process, and can also reduce the rebound of raw materials. The utility model has the advantages of thorough crushing effect, strong crushing ability, reduced box wear, and avoiding the rebound of raw materials.

Description

Crushing device

technical field

The utility model belongs to the technical field of environmental protection equipment, in particular to a crushing device.

Background technique

With the continuous updating of environmental protection equipment technology, the recycling and separation technology of waste cables is also improving. The traditional methods of incineration and manual stripping have long been abandoned because of excessive pollution and low efficiency. Nowadays, the common methods of separation and recycling are generally It is to crush waste cables into particles, and then sort the crushed particles to obtain metal particles and plastic particles. In this separation and recycling method, whether the size of the crushed particles is uniform and whether the particles are small enough will directly affect Therefore, the structural design of the crushing device will directly affect the efficiency of sorting and separation effect.

Contents of the invention

The purpose of this utility model is to provide a crushing device, which has a simple structural design, adopts a rotating blade and a fixed knife to cooperate with each other to shear and crush raw materials, and has a good crushing effect. Effectively protect the box, reduce the rebounding and splashing of raw materials, and make the crushing of raw materials more complete. There is a replaceable screen under the rotary cutter shaft, and the particles that are too large will be screened and crushed again, and the crushing effect is thorough.

The purpose of this utility model is achieved in that:

The crushing device includes a machine body. A motor-driven rotating shaft is provided in the crushing chamber of the body. A knife holder is set on the rotating shaft. Several blades are evenly distributed on the knife holder in the circumferential direction. There is a fixed knife that cooperates with the blade to crush raw materials. There is a detachable and replaceable guard plate on the inner wall of the crushing chamber. The guard plate can avoid a lot of wear on the inner wall of the box during the working process, and can also reduce the rebound and sputtering of raw materials. The body above the crushing chamber is provided with a feeding port, the feeding port is provided with a pressure plate for preventing the raw materials from splashing back to the feeding port, and a replaceable screen is provided under the rotating shaft. A discharge hopper is arranged on the machine body below the crushing chamber.

In the above-mentioned pulverizing device, the knife holder is: a cylinder with a pentagram-shaped cross section, and the several blades are elongated, and the number of the several blades is 5, which are installed in the pentagram-shaped cylinder respectively. On the 5 mutually spaced sides of the column.

In the above-mentioned crushing device, the five edges of the five-pointed star-shaped cylinder are all inclined edges, and the blades are arranged obliquely along the inclined edges, and the inclined blades cooperate with the horizontally arranged fixed knives to cut The way is point contact bite cutting.

In the above-mentioned crushing device, the knife holder is: including several knife seats that are radially distributed around the rotating shaft, a triangular support block is arranged between two adjacent knife seats, and blades are installed on the several knife seats. .

In the above crushing device, one end of the knife seat is inclined downward relative to the other end of the knife seat.

In the above crushing device, one end of the blade is inclined downward relative to the other end of the blade.

In the above-mentioned crushing device, the specific structure of the detachable and replaceable guard plate being provided on the inner wall of the crushing chamber is: a replaceable counter-attack guard plate is provided on the inner wall of the crushing chamber located on the upper side of the knife holder, and the counter-attack guard plate is There are several tooth-shaped protrusions on the top, and the inner wall of the crushing chamber located on the lower side of the feeding port is provided with a pressing plate protruding toward the feeding port. pickguard.

In the above crushing device, the bottom of the body is provided with a buffer pad.

Compared with the prior art, the utility model has outstanding and beneficial technical effects as follows:

1. The utility model adopts the rotating blade and the fixed knife to shear and engage each other, the crushing effect is thorough, and the crushing load is reduced at the same time, the machine works more stably and reliably, and the crushing ability is stronger.

2. The left, right, and upper sides of the crushing chamber of the utility model are equipped with protective plates, which can avoid a lot of wear and tear of the box during the working process, and can reduce the rebound sputtering degree of raw materials. At the same time, a There is a pressing plate to prevent the raw materials from splashing back to the feeding port and improve the crushing effect of raw materials.

3. The tool rest of the utility model adopts various structural forms, the structure is firm, and the crushing ability is stronger.

4. The utility model is equipped with a sieve structure, and the particles with too large volume will be screened and crushed again, which ensures the crushing effect and makes the subsequent separation process more smooth.

Description of drawings

Fig. 1 is a structural principle diagram of the utility model.

Fig. 2 is a schematic diagram of one of the partial structures in the utility model.

Fig. 3 is a left view of the partial structure in Fig. 2 .

Fig. 4 is a schematic diagram of the second partial structure in the utility model.

Fig. 5 is a left side view of the partial structure in Fig. 4 .

detailed description

Below in conjunction with accompanying drawing, the utility model is further described with specific embodiment: referring to Fig. 1-5,

The pulverizing device comprises a body 1, the crushing chamber 2 of the body 1 is provided with a rotating shaft 4 driven by a motor 3, a knife rest 6 is set on the rotating shaft, and a plurality of blades 7 are evenly distributed on the circumferential direction of the knife rest. The crushing chambers on both sides are equipped with fixed knives 5 that cooperate with the blades to crush raw materials, and the inner wall of the crushing chamber is provided with a detachable and replaceable guard plate, which can avoid a lot of wear and tear on the inner wall of the box during work It is also possible to reduce the rebound sputtering degree of the raw material. The body above the crushing chamber is provided with a feed port, and the feed port is provided with a pressure plate 18 for preventing the raw material from splashing back to the feed port. The rotating shaft A replaceable screen 19 is arranged below, and a discharge hopper is arranged on the body below the crushing chamber.

One of the structures of the knife rest in the utility model is: the described knife rest 6 is: comprising a cylinder 10 with a pentagram-shaped cross section,

The several blades described are all elongated, and the number of the several blades is five, which are installed on five mutually spaced side surfaces 12 of the five-pointed star-shaped cylinder respectively.

The five ribs of the five-pointed star-shaped cylinder are all inclined ribs 13, and the inclined blade and the horizontally arranged fixed knife cooperate with each other and the cutting mode is point contact and biting cutting.

The second structure of the knife rest in the utility model is: the described knife rest is: comprise several knife seats 14 that are radially evenly distributed around the rotating shaft, a triangular support block 15 is arranged between two adjacent knife seats, and several Blades are installed on each knife holder.

One end of the knife seat is inclined downward relative to the other end of the knife seat.

One end of the blade is inclined downward relative to the other end of the blade.

The specific structure of the detachable and replaceable guard plate on the inner wall of the crushing chamber is as follows: a counter-attack guard 16 is provided on the inner wall of the crushing chamber located on the upper side of the knife holder, and a number of teeth are arranged on the counter-attack guard. Shaped protrusions 17, replaceable circular guards 21 are provided on the left and right sides of the crushing chamber, and a pressure plate 18 protruding toward the feed port is provided on the inner wall of the crushing chamber on the lower side of the feed port. .

The bottom of the body is provided with a buffer pad 20 .

The foregoing embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model. Therefore: all equivalent changes made according to the structure, shape, and principle of the present utility model should be covered by this utility model. within the scope of protection of utility models.

Claims (8)

1. reducing mechanism, including body, it is characterized in that: in the crushing chamber of described body, be provided with the rotating shaft that motor drives, rotating shaft is arranged with knife rest, on knife rest, circumference is evenly equipped with several blades, before and after knife rest, the crushing chamber of both sides is provided with and the stationary knife of blades fit pulverizing raw material, crushing chamber inwall is provided with the backplate of dismantled and assembled replacing, described backplate can avoid cabinet wall to produce a large amount of abrasion in the course of the work, the bounce-back sputtering degree of raw material can also be reduced, it is positioned at the body above crushing chamber and is provided with charging aperture, described charging aperture place is provided with for avoiding raw material to splash back the holding pad of charging aperture, described rotating shaft is connected with removable screen cloth, it is positioned at the body below crushing chamber and is provided with discharge bucket.

2. reducing mechanism according to claim 1, it is characterized in that: described knife rest is: include the cylinder that cross section is pentalpha, several described blades are all in strip, and the number of several blades is 5, are separately mounted on 5 spaced sides of pentalpha cylinder.

3. reducing mechanism according to claim 2, it is characterized in that: 5 ribs of the cylinder of described pentalpha are all the ribs being obliquely installed, described blade is obliquely installed along the rib tilted, and the blade of inclination cooperates with horizontally disposed stationary knife and is engaged cutting mode is point cantact occlusion cutting.

4. reducing mechanism according to claim 1, it is characterised in that: described knife rest is: include, around radially uniform several tool rests of rotating shaft, being provided with gusseted block, several tool rests are mounted on blade between two adjacent tool rests.

5. reducing mechanism according to claim 4, it is characterised in that: one end of described tool rest is downwardly inclined setting relative to the tool rest other end.

6. the reducing mechanism according to claim 2 or 4, it is characterised in that: one end of described blade is downwardly inclined setting relative to the blade other end.

7. reducing mechanism according to claim 1, it is characterized in that: the concrete structure of the backplate that described crushing chamber inwall is provided with dismantled and assembled replacing is: the inwall being positioned at the crushing chamber on the upside of knife rest is provided with removable counterattack backplate, counterattack backplate is provided with some toothed projections, the left side and the right side that are positioned at crushing chamber are equipped with removable circular plates, are positioned on the crushing chamber inwall on the downside of charging aperture and are provided with the holding pad that charging aperture stretches out.

8. reducing mechanism according to claim 1, it is characterised in that: the bottom of described body is provided with cushion pad.