CN216654749U

CN216654749U - Automatic pulverizer

Info

Publication number: CN216654749U
Application number: CN202122629374.8U
Authority: CN
Inventors: 张鹏举; 张永雷
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-06-03
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to the technical field of crushers, in particular to an automatic crusher which comprises two crushing rollers, wherein the two crushing rollers are symmetrically arranged and driven to rotate by a speed reduction motor, and the rotating directions of the two crushing rollers are opposite; the crushing roller is provided with a plurality of round holes, the round holes are internally provided with convex rods, and the convex rods can slide in the round holes respectively; an inner ring is fixed in the crushing roller, a plurality of convex rods slide on the inner ring, and a spring A is arranged between the plurality of convex rods and the inner ring; an inner shaft rotates in the crushing roller, a plurality of shifting pieces are arranged on the inner shaft, and the shifting pieces can adjust the length of the protruding rod extending out of the crushing roller; can be adjusted correspondingly according to the articles with different hardness.

Description

Automatic pulverizer

Technical Field

The utility model relates to the technical field of crushers, in particular to an automatic crusher.

Background

A pulverizer is a machine that pulverizes a large-sized solid raw material to a desired size. The crusher consists of coarse crushing, fine crushing, wind conveying and other devices, and the purpose of the crusher is achieved in a high-speed impact mode. The wind energy is utilized to produce powder at one time, and the traditional screening procedure is cancelled. The method is mainly applied to various industries such as mines, building materials and the like; however, the conventional pulverizer is completed by using two pulverizing rollers, but the form of the pulverizing rollers is single, and the pulverizing rollers cannot be adjusted according to the articles with different hardness.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic pulverizer, which has the beneficial effect that corresponding adjustment can be carried out according to articles with different hardness.

The utility model provides an automatic pulverizer, includes two crushing rollers, and two crushing roller symmetries set up, and two crushing rollers are driven by gear motor and are rotatory, and the rotation direction of two crushing rollers is opposite.

Furthermore, a plurality of round holes are formed in the crushing roller, protruding rods are arranged in the round holes, and the protruding rods can slide in the round holes respectively.

Furthermore, an inner ring is fixed in the crushing roller, a plurality of convex rods slide on the inner ring, and a spring A is arranged between the plurality of convex rods and the inner ring.

Furthermore, an inner shaft rotates in the crushing roller, a plurality of shifting sheets are arranged on the inner shaft, and the length of the protruding rod extending out of the crushing roller can be adjusted through the shifting sheets.

Furthermore, the crushing roller also comprises a plurality of wedge teeth, a plurality of outer windows are arranged on the crushing roller, and the wedge teeth can extend out of the outer windows.

The utility model has the beneficial effects that:

the length of the convex rod extending out of the outer curved surface of the crushing roller can be controlled according to the requirement of crushing the articles, so that crushed article particles with different sizes can be obtained after the articles are crushed by the convex rod in the crushing process; meanwhile, the plurality of convex rods are in contact with the surface of the article, and the pressure applied on the article by the crushing roller is increased by the pressure per unit area when the article is extruded by the plurality of convex rods, so that the article with high hardness can be crushed by the plurality of convex rods on the crushing roller.

Drawings

The utility model is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of a pulverizing roller;

FIG. 2 is a schematic view of a circular hole and an outer window;

FIG. 3 is a schematic view of the inner ring and the protruding rod;

FIG. 4 is a cross-sectional view of the pulverizing roller;

FIG. 5 is a schematic structural view of the pick and the inner ring;

FIG. 6 is a schematic view of the structure of the slide plate and the inclined plane;

fig. 7 is a schematic view of the inner shaft and crushing roller.

Detailed Description

Referring to fig. 1, one embodiment of the present invention for crushing and crushing articles during use is shown as follows:

the automatic crusher comprises two crushing rollers 01, wherein the two crushing rollers 01 are symmetrically arranged, the two crushing rollers 01 are driven to rotate by a speed reduction motor, and the rotating directions of the two crushing rollers 01 are opposite; when the crushing roller device is used, only the speed reduction motor is required to drive the two crushing rollers 01 to rotate in opposite directions, so that the two crushing rollers 01 can roll articles into the articles, and then the articles are crushed by extrusion between the two crushing rollers 01, so that the crushing of massive articles is completed.

Referring to fig. 1 and 2, one embodiment of the present invention for increasing the crushing strength of objects is shown as follows:

in order to increase the pressure on the articles, a plurality of circular holes 02 are formed in the crushing roller 01, a convex rod 08 is arranged in each circular hole 02, and the convex rods 08 can slide in the circular holes 02 respectively; when the article is extruded, the plurality of convex rods 08 can slide out of the plurality of round holes 02 respectively, so that the plurality of convex rods 08 extend out of the outer curved surface of the crushing roller 01, the plurality of convex rods 08 contact the surface of the article when the article is extruded, the pressure applied to the article by the crushing roller 01 is increased by the unit area pressure when the plurality of convex rods 08 extrude the article, and the articles with high hardness can be crushed by the plurality of convex rods 08 on the crushing roller 01.

Referring to fig. 3 and 4, an example of adjusting the pulverizing manner according to the present invention is shown as follows:

an inner ring 07 is fixed in the crushing roller 01, a plurality of convex rods 08 slide on the inner ring 07, and springs A are arranged between the convex rods 08 and the inner ring 07; when the article is crisp, the plurality of convex rods 08 can be pressed back to the outer curved surface of the crushing roller 01, the spring A is compressed, the plurality of convex rods 08 can be returned to the inner part of the crushing roller 01, the outer curved surface of the crushing roller 01 is used for completing the pressing and crushing, and the abrasion of the plurality of convex rods 08 is reduced.

Referring to fig. 3 and 5, one embodiment of the present invention for adjusting the length of the plurality of pins 08 extending beyond the outer curved surface of the pulverizing roller 01 is shown as follows:

an inner shaft 05 is rotated in the crushing roller 01, a plurality of shifting sheets 06 are arranged on the inner shaft 05, and the length of the protruding rod 08 extending out of the crushing roller 01 can be adjusted through the shifting sheets 06; during operation, the inner shaft 05 only needs to be rotated, the inner shaft 05 drives the plurality of shifting pieces 06 to rotate, the plurality of shifting pieces 06 can be used for pushing the convex rod 08 outwards to adjust the length of the convex rod 08 extending out of the outer curved surface of the crushing roller 01, so that the length of the convex rod 08 extending out of the outer curved surface of the crushing roller 01 can be controlled according to the requirement of crushing objects, and crushed object particles with different sizes can be obtained after the convex rod 08 crushes the objects in the crushing process.

Referring to fig. 3 and 4, one embodiment of tear shredding of articles according to the present invention is shown:

the grinding roller 01 and the wedge teeth 09 are made of hard alloy, a plurality of outer windows 03 are formed in the grinding roller 01, and the wedge teeth 09 can extend out of the outer windows 03; the plurality of wedge teeth 09 slide on the inner ring 07, and springs B are arranged between the plurality of wedge teeth 09 and the inner ring 07; when hard articles are encountered, the convex rod 08 can return to the crushing roller 01, then the plurality of wedge teeth 09 extend out of the plurality of outer windows 03 respectively, the plurality of wedge teeth 09 extend out of the outer curved surface of the crushing roller 01, then when the crushing roller 01 rotates to crush the articles, the plurality of wedge teeth 09 can be used for tearing and crushing the articles, the plurality of wedge teeth 09 can be used for tearing and cutting the surface of the hard articles, and then the articles are crushed by extrusion, so that the capacity of the crusher for crushing the hard articles is improved; similarly, the inner shaft 05 can be used to drive the plurality of shifting pieces 06 to rotate, and the plurality of wedge teeth 09 can be pushed outwards by the plurality of shifting pieces 06, so that the length of the plurality of wedge teeth 09 extending out of the crushing roller 01 can be adjusted.

Referring to fig. 4-7, one embodiment of protecting a plurality of wedge teeth 09 in accordance with the present invention is shown as:

a sliding plate 10 slides in the outer window 03, an inner groove is formed in the crushing roller 01, the sliding plate 10 slides in the inner groove, and a spring C is arranged between the sliding plate 10 and the inner groove; when the plurality of wedge teeth 09 are positioned in the crushing roller 01, the plurality of springs C drive the plurality of sliding plates 10 to block the plurality of outer windows 03, so that the plurality of wedge teeth 09 are protected in the crushing roller 01, and the plurality of wedge teeth 09 are prevented from being damaged by external objects.

Referring to fig. 4-7, one embodiment of the present invention for facilitating the pushing apart of the slide plate 10 by the wedge tooth 09 is shown:

the sliding plate 10 is provided with an inclined surface 11, when the wedge tooth 09 extends outwards, the wedge tooth 09 can contact with the inclined surface 11, so that the wedge tooth 09 pushes the sliding plate 10 away smoothly, and the sliding plate 10 retracts into the inner groove to be hidden.

Referring to fig. 4 to 7, one embodiment of controlling the rotation angle of the inner shaft 05 according to the present invention is shown as follows:

the rubber ring is arranged at the rotating connection part of the inner shaft 05 and the crushing roller 01, so that when a user drives the inner shaft 05 to rotate, the plurality of shifting pieces 06 rotate, when no external force is applied to the inner shaft 05, the inner shaft 05 cannot rotate accidentally, and the plurality of shifting pieces 06 are prevented from rotating accidentally.

Claims

1. An automatic pulverizer comprises two pulverizing rollers (01), wherein the two pulverizing rollers (01) are symmetrically arranged, the two pulverizing rollers (01) are driven by a speed reduction motor to rotate, and the rotating directions of the two pulverizing rollers (01) are opposite;

the method is characterized in that: the crushing roller (01) is provided with a plurality of round holes (02), convex rods (08) are arranged in the round holes (02), and the convex rods (08) can slide in the round holes (02);

an inner ring (07) is fixed in the crushing roller (01), a plurality of convex rods (08) slide on the inner ring (07), and springs A are arranged between the convex rods (08) and the inner ring (07);

an inner shaft (05) rotates in the crushing roller (01), a plurality of shifting sheets (06) are arranged on the inner shaft (05), and the length of the convex rod (08) extending out of the crushing roller (01) can be adjusted through the shifting sheets (06).

2. An automatic pulverizer as defined in claim 1, wherein: the crushing roller is characterized by further comprising a plurality of wedge teeth (09), a plurality of outer windows (03) are arranged on the crushing roller (01), and the wedge teeth (09) can extend out of the outer windows (03).

3. An automatic pulverizer as defined in claim 2, wherein: the wedge teeth (09) slide on the inner ring (07), and springs B are arranged between the wedge teeth (09) and the inner ring (07).

4. An automatic pulverizer as defined in claim 3, wherein: a sliding plate (10) slides in the outer window (03), an inner groove is arranged on the crushing roller (01), the sliding plate (10) slides in the inner groove, and a spring C is arranged between the sliding plate (10) and the inner groove.

5. An automatic pulverizer as defined in claim 4, wherein: the sliding plate (10) is provided with an inclined plane (11).

6. An automatic pulverizer as defined in claim 5, wherein: and a rubber ring is arranged at the rotary connection part of the inner shaft (05) and the crushing roller (01).

7. An automatic pulverizer as defined in claim 6, wherein: the crushing roller (01) and the wedge teeth (09) are made of hard alloy.