CN215969605U

CN215969605U - Reducing mechanism is used in rubber processing

Info

Publication number: CN215969605U
Application number: CN202121481409.1U
Authority: CN
Inventors: 王鹏
Original assignee: Sichuan Wanfa New Material Technology Co ltd
Current assignee: Sichuan Wanfa New Material Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-03-08
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a crushing device for rubber processing, which comprises a first crushing box and a second crushing box arranged below the first crushing box, wherein a first crushing device is rotatably arranged in the first crushing box and comprises two mutually meshed crushing rollers; a plurality of mutually meshed crushing shafts are arranged in the second crushing box, and crushing blades are arranged on the crushing shafts; a filter screen is also obliquely arranged in the second crushing box, the filter screen is positioned below the crushing shaft and can move up and down in the second crushing box, a first discharge hole is formed at the joint of the inner wall of the second crushing box and the lower end of the filter screen, and a second discharge hole is formed in the bottom wall of the second crushing box below the filter screen; it can improve the crushing efficiency and recover the fragments respectively.

Description

Reducing mechanism is used in rubber processing

Technical Field

The utility model relates to the technical field of rubber processing, in particular to a crushing device for rubber processing.

Background

The rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed. Rubber is a completely amorphous polymer with a low glass transition temperature (Tg) and a molecular weight often very high, greater than several hundred thousand. Early rubbers were elastic, insulating, impermeable to water and air, and were prepared from latex of plants such as hevea brasiliensis and hevea brasiliensis. A high-elasticity polymer compound. It is divided into two types of natural rubber and synthetic rubber. The natural rubber is prepared by extracting colloid from plants such as rubber tree and rubber grass and processing; synthetic rubbers are obtained by polymerization of various monomers. Rubber products are widely used in industry or in various aspects of life. However, the method is also important for recycling the waste rubber, not only can the environment be protected, but also whether the polymer material industry can be developed sustainably is concerned, the recycling and reproduction of rubber products is an economic and environment-friendly method, and the crushing of the rubber is the first process during the recycling and reproduction.

The crushing device for processing the existing waste rubber cannot completely crush the waste rubber when the rubber is crushed, the situation that large rubber fragments exist after the rubber materials are crushed often is that the rubber fragments are too large, the rubber fragments are not beneficial to the operation on the next step, and the damage of the rubber crusher is easily caused, so that the production efficiency is reduced, and the regeneration cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crushing device for rubber processing, which can improve crushing efficiency and respectively recover fragments.

The embodiment of the utility model is realized by the following technical scheme:

a crushing device for rubber processing comprises a first crushing box and a second crushing box arranged below the first crushing box,

a first crushing device is rotatably arranged in the first crushing box and comprises two mutually meshed crushing rollers;

a plurality of mutually meshed crushing shafts are arranged in the second crushing box, and crushing blades are arranged on the crushing shafts; still the slope is provided with a filter screen in the second crushing incasement, the filter screen is located crushing axle below, just the filter screen can the second smashes the incasement and reciprocates, the second smashes the incasement wall with the low side junction of filter screen is provided with first discharge gate, the filter screen below the second has smashed the second discharge gate on the diapire of case.

Further, the two crushing rollers rotate relatively.

Furthermore, a plurality of crushing shafts are arranged in parallel, and at least one row is arranged from top to bottom.

The crushing device is characterized by further comprising a driving motor, wherein the output end of the driving motor is connected with one crushing shaft, each crushing shaft is provided with a transmission gear, and the plurality of crushing shafts are meshed with each other through the transmission gears.

Furthermore, the bottom of the filter screen is fixedly connected with a spherical convex block, a rotating rod is rotatably arranged on the side wall opposite to the second crushing box, a cam is fixedly sleeved on the rotating rod and is abutted to the spherical convex block.

Furthermore, the inner wall of the second crushing box and the high-end joint of the filter screen are provided with a buffer slot, the high end of the filter screen is connected with a slide block, and the slide block is arranged in the buffer slot and is connected with the top wall or the bottom wall of the buffer slot through an expansion spring.

Furthermore, a material guide plate is obliquely arranged in the second crushing box, the material guide plate is positioned below the filter screen, and the second discharge hole is formed in the lower end of the material guide plate.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

the rubber crusher is reasonable in design and simple in structure, rubber is crushed into fragments with different sizes through primary crushing of two crushing rollers of a first crushing device, then materials enter a second crushing box to be subjected to deep extrusion crushing, the fragments can be crushed into fine fragments with basically consistent sizes after being crushed and extruded by crushing blades on two adjacent crushing shafts, in order to ensure the crushing effect of the fragments, a filter screen is further arranged for screening the fragments, the fragments which do not accord with the aperture of the filter screen are intercepted on the surface of the filter screen, then the fragments are discharged out of the second crushing box through a first discharge port at the lower end of the filter screen, and then the fragments are thrown into the first crushing box again to be subjected to secondary crushing; the fragments according with the crushing size can pass through the filter screen and are discharged from the second discharge port to the second crushing box.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a rubber processing pulverizing apparatus according to an embodiment of the present invention;

FIG. 2 is a top view of a grinding spindle provided in accordance with an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Icon: 1-feeding port, 2-first crushing box, 3-crushing roller, 4-material through port, 5-second crushing box, 6-driving motor, 7-crushing blade, 8-filter screen, 9-lug, 10-cam, 11-first discharging port, 12-material guide plate, 13-second discharging port, 14-buffer tank, 15-slide block, 16-expansion spring, 17-transmission gear, 18-crushing shaft and 19-rotating rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Example 1

The embodiment provides a crushing device for rubber processing, which comprises a first crushing box 2 and a second crushing box 5 arranged below the first crushing box 2, wherein the first crushing box 2 is communicated with the second crushing box 5 through a material through hole 4;

a first crushing device is rotatably arranged in the first crushing box 2 and comprises two mutually meshed crushing rollers 3;

a plurality of mutually meshed crushing shafts 18 are arranged in the second crushing box 5, and crushing blades 7 are arranged on the crushing shafts 18; still the slope is provided with a filter screen 8 in the second crushing case 5, filter screen 8 is located 18 below crushing, just filter screen 8 can the second smashes incasement 5 and reciprocates, the second smashes the incasement 5 inner wall with the low side junction of filter screen 8 is provided with first discharge gate 11, filter screen 8 below the second is smashed and has been seted up second discharge gate 13 on the diapire of case 5.

The working principle is as follows: when the rubber crusher is used, rubber is put into a first crushing box 2 from a feeding hole 1 at the top, the rubber is crushed by two crushing rollers 3 of a first crushing device, the rubber is primarily crushed, the materials at the moment are basically crushed into fragments with different sizes, then the materials enter a second crushing box 5 to be deeply extruded and crushed, the fragments are crushed into fine fragments with basically consistent sizes after being crushed and extruded by crushing blades 7 on two adjacent crushing shafts 18, in order to ensure the crushing effect of the fragments, a filter screen 8 is further arranged for screening the fragments, the fragments which do not accord with the aperture of the filter screen are intercepted on the surface of the filter screen 8, then the fragments are discharged out of the second crushing box 5 from a first discharging hole 11 at the lower end of the filter screen 8, and then the fragments are put into the first crushing box 2 again to be crushed for the second time; the fragments which accord with the crushing size can pass through the filter screen 8 and are discharged out of the second crushing box 5 through the second discharge hole 13.

In this embodiment, the two pulverizing rollers 3 are relatively rotated, so that the rubber can be pulverized better and dropped down from between the two pulverizing rollers 3 into the inside of the second pulverizing box 5.

In this embodiment, the crushing shafts 18 are arranged in parallel and at least one row is arranged from top to bottom; the crushing shafts 18 are arranged in parallel, so that all the fallen fragments can be crushed and then continuously fall downwards, and the influence on the crushing effect of rubber fragments due to falling of the fragments which are not crushed is avoided; further, in order to crush the chips more thoroughly, the crushing shafts 18 are arranged in a plurality of rows from top to bottom, and a plurality of crushing shafts 18 are arranged in parallel in each row, so that the chips can be crushed more thoroughly.

In the embodiment, the device further comprises a driving motor 6, an output end of the driving motor 6 is connected with one crushing shaft 18, each crushing shaft 18 is provided with a transmission gear 17, and a plurality of crushing shafts 18 are mutually meshed through the transmission gears 17; one crushing shaft 18 is driven to rotate by the driving motor 6, so that other crushing shafts 18 can be driven to rotate by the meshing transmission action between the transmission gears 17 on the crushing shafts 18, the crushing efficiency is accelerated, and the energy is saved.

In this embodiment, the bottom of the filter screen 8 is fixedly connected with a spherical bump 9, a rotating rod 19 is rotatably arranged on the opposite side wall of the second crushing box 5, a cam 10 is fixedly sleeved on the rotating rod 19, and the cam 10 is abutted to the spherical bump 9; utilize the rotation of bull stick 19 to drive cam 10 and rotate, can reciprocating drive lug 9 reciprocate under the rotation effect of cam 10 to drive filter screen 8 and reciprocate, thereby make the piece of equidimension not go up on filter screen 8 can be carried out better screening and separate, promote the separation between the piece of equidimension not.

In order to keep the stability of the filter screen 8 in the process of moving up and down, in this embodiment, a buffer slot 14 is formed at the connection position of the inner wall of the second crushing box 5 and the high end of the filter screen 8, the high end of the filter screen 8 is connected with a slide block 15, and the slide block 15 is arranged in the buffer slot 14 and connected with the top wall or the bottom wall of the buffer slot 14 through a telescopic spring 16; when the filter screen 8 moves up and down, the high end of the filter screen 8 can move up and down more stably in the buffer tank 14 under the action of the extension spring 16. It should be noted that the lower end of the filter screen 8 is hinged to the second crushing box 5.

In this embodiment, the material guiding plate 12 is obliquely arranged in the second pulverizing box 5, the material guiding plate 12 is located below the filter screen 8, and the second material outlet 13 is disposed at a lower end of the material guiding plate 12, so that the fragments are better discharged from the second material outlet 13 under the material guiding effect of the material guiding plate 12, and the fragments are prevented from being left at the bottom of the second pulverizing box 5 and cannot be discharged in time.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A crushing device for rubber processing is characterized by comprising a first crushing box and a second crushing box arranged below the first crushing box,

2. The crushing apparatus for rubber processing according to claim 1, wherein the two crushing rollers rotate relatively.

3. The crushing apparatus for rubber processing according to claim 1, wherein the crushing shafts are arranged in parallel and at least one row is arranged from top to bottom.

4. The crushing device for processing rubber according to claim 3, further comprising a driving motor, wherein an output end of the driving motor is connected with one crushing shaft, each crushing shaft is provided with a transmission gear, and the plurality of crushing shafts are meshed with each other through the transmission gears.

5. The pulverizing device for rubber processing as defined in claim 1, wherein a spherical projection is fixedly connected to the bottom of the filter screen, a rotating rod is rotatably disposed on the opposite side wall of the second pulverizing box, and a cam is fixedly connected to the rotating rod and abuts against the spherical projection.

6. The crushing device for processing rubber according to claim 5, wherein a buffer groove is formed at the joint of the inner wall of the second crushing box and the high end of the filter screen, a slide block is connected to the high end of the filter screen, and the slide block is arranged in the buffer groove and connected with the top wall or the bottom wall of the buffer groove through a telescopic spring.

7. The crushing device for rubber processing according to claim 1, wherein a material guide plate is obliquely arranged in the second crushing box, the material guide plate is positioned below the filter screen, and the second discharge port is arranged at the lower end of the material guide plate.