CN216704607U - Crushing tooth structure of crusher - Google Patents
Crushing tooth structure of crusher Download PDFInfo
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- CN216704607U CN216704607U CN202120453763.7U CN202120453763U CN216704607U CN 216704607 U CN216704607 U CN 216704607U CN 202120453763 U CN202120453763 U CN 202120453763U CN 216704607 U CN216704607 U CN 216704607U
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Abstract
The utility model relates to a crushing tooth structure of a crusher in the technical field of crushers, which comprises a spacing ring, wherein the spacing ring is fixed on a cutter shaft, the outer edge of the spacing ring is uniformly provided with a plurality of main cutting teeth, the tool tip of each main cutting tooth is a wedge angle, the main cutting teeth are provided with sawtooth-shaped cutting edges, each cutting edge comprises a plurality of auxiliary cutting teeth which are sequentially connected end to end, and the tool tip of each auxiliary cutting tooth is a wedge angle. The utility model has simple and reasonable structure, convenient operation, high integral cutting efficiency and good cutting effect; the tool tip of the main cutting tooth of the crushing tooth is a wedge-shaped angle, so that medical waste can be cut off, and the crushing tooth has good bearing capacity and can bear huge extrusion force applied to the tool tip; the serrated cutting edge on the main cutting tooth, the auxiliary cutting tooth on the cutting edge has a sharp edge, so that the shearing is sharper, and medical waste can be prevented from sliding during shearing.
Description
Technical Field
The utility model relates to the technical field of crushers, in particular to a crushing tooth structure of a crusher.
Background
Medical waste need use earlier breaker to smash in the processing procedure mostly, generally adopt double roll crusher to carry out the breakage, its principle is that the motor drives two arbor rotations, be equipped with broken tooth on the arbor, the broken tooth of the epaxial correspondence of two arbors is mutually supported, cut medical waste at the rotation in-process, cut the bits of broken glass, tear, the realization is to medical waste's crushing, current broken tooth can appear poor to medical waste bearing capacity at crushing in-process, broken tooth interlock dynamics is poor, medical waste produces when cuting and slides, crushing efficiency and broken degree have been reduced, on the other hand needs whole change when broken tooth takes place to damage, the rate of equipment utilization has been reduced, and the cost is improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a crushing tooth structure of a crusher, which comprises a spacing ring, wherein the spacing ring is fixed on a cutter shaft, a cutting gear is fixed on the outer edge of the spacing ring, a plurality of main cutting teeth are arranged on the cutting gear, the cutter points of the main cutting teeth are wedge-shaped angles, when medical wastes are plugged at the wedge-shaped angles of the main cutting teeth of two mutually matched crushing teeth of a crushing roller, the crushing roller is cut off by using the wedge-shaped angles, the extrusion force applied to the cutter points of the main cutting teeth is huge, and the wedge-shaped angles have good bearing capacity and can effectively bear the cut objects; the main cutting teeth are provided with sawtooth-shaped cutting edges, each cutting edge comprises a plurality of auxiliary cutting teeth which are sequentially connected end to end, the tool points of the auxiliary cutting teeth are wedge-shaped angles, the cutting edges cut medical wastes, and the auxiliary cutting teeth of the cutting edges are provided with sharp edges, so that the cutting edges are sharper, and the medical wastes can be prevented from sliding during cutting;
rake angle of the tip of the main cutting tooth
Ranging from 60 DEG to 65 DEG, the relief angle theta of the tip of the main cutting tooth1Ranging from 0 to 5; rake angle of the tip of the auxiliary cutting tooth
In the range of 60-70 DEG, with the tip of the cutting tooth being assistedRelief angle theta2The range is 50 degrees to 60 degrees, and the angles of the front angle and the back angle of the tool nose of the main cutting tooth and the auxiliary cutting tooth are arranged, so that the cutting effect and the cutting efficiency are further increased.
Preferably, the cutting gear is the integrated into one piece structure, the number of main cutting tooth is not less than three, and the overall stability of broken tooth is high, is favorable to improving the crushing efficiency and the crushing effect of broken tooth.
Preferably, the rake angle of the tip of the main cutting tooth
Is 60 degrees.
Preferably, the cutting tip of the main cutting tooth has a clearance angle θ1Is 5 deg..
Preferably, the rake angle of the tip of the auxiliary cutting tooth
Is 60 degrees.
Preferably, the cutting tip of the auxiliary cutting tooth has a clearance angle θ2Is 50 deg..
The utility model also includes other components enabling the normal use of the crushing tooth structure of a crusher, all by conventional means in the art. In addition, the devices or components which are not limited in the utility model adopt the conventional technical means in the field and are the conventional equipment in the field.
The working principle of the utility model is that when medical waste falls at the wedge-shaped angle of two mutually matched crushing teeth, the wedge-shaped angle is utilized to carry out primary cutting, the knife tip of the main cutting tooth is subjected to huge extrusion force, the wedge-shaped angle has good bearing capacity and can effectively bear the cut object, the medical waste is rolled between the two crushing teeth under the rotating action of the two mutually matched crushing teeth and is sheared for the second time by the serrated cutting edge on the main cutting tooth, and the auxiliary cutting tooth on the cutting edge is provided with a sharp edge, so that the shearing is sharper, and the medical waste can be prevented from sliding during shearing.
The angle setting of the front angle and the back angle of the tool nose of the main cutting tooth and the auxiliary cutting tooth further increases the cutting effect and the cutting efficiency. In addition, the rake angle and the relief angle of the present invention are commonly known terms in the art, and the meaning thereof is shown in the drawings and will not be described herein.
The utility model has the advantages of simple and reasonable structure, convenient operation, high integral cutting efficiency and good cutting effect; the tool tip of the main cutting tooth of the crushing tooth is a wedge-shaped angle, so that medical waste can be cut off, and the crushing tooth has good bearing capacity and can bear huge extrusion force applied to the tool tip; the cutting edge of cockscomb structure on the main cutting tooth, the assistance cutting tooth on cutting edge have sharp sword, make and cut sharper to medical waste slides when can preventing to cut, the overall stability of broken tooth is high, and crushing efficiency is high, crushing effect is good.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a structural schematic view of a crushing tooth structure of a crusher according to the present invention.
In the figure: 1. the cutter shaft, 2, the spacing ring, 3, the cutting gear, 4, the main cutting tooth and 5, the auxiliary cutting tooth.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.
Examples
As shown in fig. 1, the utility model provides a crushing tooth structure of a crusher, which comprises a spacing ring 2, wherein the spacing ring 2 is fixed on a cutter shaft 1, a cutting gear 3 is fixed on the outer edge of the spacing ring 2, a plurality of main cutting teeth 4 are arranged on the cutting gear 3, the tool tips of the main cutting teeth 4 are wedge-shaped angles, when medical wastes are filled at the wedge-shaped angles of the main cutting teeth 4 of two mutually matched crushing teeth of a crushing roller, the crushing roller is cut off by using the wedge-shaped angles, and the tool tips of the main cutting teeth 4 bear huge extrusion force at the moment, and the wedge-shaped angles have good bearing capacity and can effectively bear the cut objects; the main cutting teeth 4 are provided with sawtooth-shaped cutting edges, each cutting edge comprises a plurality of auxiliary cutting teeth 5 which are sequentially connected end to end, the tool points of the auxiliary cutting teeth 5 are wedge-shaped angles, the cutting edges cut medical wastes, and the auxiliary cutting teeth 5 of the cutting edges are provided with sharp edges, so that the cutting edges are sharper, and the medical wastes can be prevented from sliding during cutting;
the rake angle of the tip of the main cutting tooth 4
At 60 DEG, the clearance angle theta of the tip of the main cutting tooth1Is 5 degrees; rake angle of the tip of the auxiliary cutting tooth
Is 70 degrees, and the back angle theta of the tool tip of the auxiliary cutting tooth2Is 50, the angle setting of the front angle and the rear angle of the tool nose of the main cutting tooth and the auxiliary cutting tooth further increases the cutting effect and the cutting efficiency.
The cutting gear is the integrated into one piece structure, the number of main cutting tooth is not less than three, and the overall stability of broken tooth is high, is favorable to improving the crushing efficiency and the crushing effect of broken tooth.
The during operation, medical waste falls when the wedge angle department of two broken teeth of mutually supporting, the knife tip that utilizes the wedge angle carries out preliminary cutting off, the extrusion force that the knife tip of main cutting tooth 4 received this moment is huge, the wedge angle has good bearing capacity, can play effectual bearing effect to being cut the thing, the rotation effect of two broken teeth of mutually supporting down is drawn into between two broken teeth by main cutting tooth 4 on the cutting edge of cockscomb structure carry out the shearing of second time, the supplementary cutting tooth 5 of the cockscomb structure on cutting edge has the point sword, it is sharper to make the shearing, and medical waste slides when can preventing to cut. The angle setting of the front angle and the back angle of the tool nose of the main cutting tooth 4 and the auxiliary cutting tooth 5 further increases the cutting effect and the cutting efficiency.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A broken tooth structure of breaker which characterized in that: the cutter comprises a spacing ring, wherein the spacing ring is fixed on a cutter shaft, a cutting gear is fixed on the outer edge of the spacing ring, a plurality of main cutting teeth are arranged on the cutting gear, the cutter point of each main cutting tooth is a wedge angle, a serrated cutting edge is arranged on each main cutting tooth, each cutting edge comprises a plurality of auxiliary cutting teeth which are sequentially connected end to end, and the cutter point of each auxiliary cutting tooth is a wedge angle;
rake angle of the tip of said main cutting tooth
Ranging from 60 DEG to 65 DEG, the relief angle theta of the tip of the main cutting tooth1The range is 0 to 5 degrees; rake angle of the tip of the auxiliary cutting tooth
Ranging from 60 DEG to 70 DEG, the relief angle theta of the tip of the auxiliary cutting tooth2Ranging from 50 to 60.
2. A crushing tooth structure of a crusher according to claim 1, characterized in that: the cutting gear is of an integrally formed structure, and the number of the main cutting teeth is not less than three.
3. A crushing tooth structure of a crusher according to claim 1, characterized in that: rake angle of the tip of the main cutting tooth
Is 60 degrees.
4. A crushing tooth structure of a crusher according to claim 1, characterized in that: a relief angle theta of a tip of the main cutting tooth1Is 5 deg..
5. A crushing tooth structure of a crusher according to claim 1, characterized in that: rake angle of the tip of the auxiliary cutting tooth
Is 60 degrees.
6. A crushing tooth structure of a crusher according to claim 1, characterized in that: a relief angle theta of a tip of the auxiliary cutting tooth2Is 50 deg..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453763.7U CN216704607U (en) | 2021-03-02 | 2021-03-02 | Crushing tooth structure of crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453763.7U CN216704607U (en) | 2021-03-02 | 2021-03-02 | Crushing tooth structure of crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216704607U true CN216704607U (en) | 2022-06-10 |
Family
ID=81871007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120453763.7U Active CN216704607U (en) | 2021-03-02 | 2021-03-02 | Crushing tooth structure of crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216704607U (en) |
-
2021
- 2021-03-02 CN CN202120453763.7U patent/CN216704607U/en active Active
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