Pulverizer mechanical tooth for waste treatment
By inlaid with high-strength, high wear-resistant cemented carbide nuggets on the mechanical teeth of the crusher and adopting a multi-fixed structural design, the problems of loosening, severe wear and scrap adhesion of the crusher cutter head are solved, achieving higher stability, durability and working efficiency.
Patent Information
- Application Number
- CN202420756160.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The cutting heads of existing crushers are prone to loosening during high-speed operation, severe wear and frequent replacement, resulting in high cost of use and low working efficiency. At the same time, waste products are easily stuck to mechanical teeth during crushing and affecting work.
A crusher mechanical teeth for waste treatment were designed, using high-strength, high-wear-resistant cemented carbide blocks as the dominant part of the working surface, and through multiple fixed structural design, including rectangular bumps, circular bosses and square bosses, ensuring the stability and durability of the teeth heads.
The strength and wear resistance of the crusher are improved by inlaid with cemented carbide nuggets, the service life of the teeth is extended, the replacement frequency and cost of use is reduced, and the overall stability is improved through the multiple fixing design, which prevents sewage from adhesion and ensures normal work.
Smart Images
Figure CN222642162U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a mechanical tooth of a crusher for waste treatment, belonging to the technical field of crushers. Background Art
[0002] A pulverizer is a machine that crushes large-sized solid raw materials into required sizes. The pulverizer achieves its purpose in the form of high-speed impact, and the pulverizer cutter head is one of the important parts of the pulverizer. The existing pulverizer cutter head has the following problems: First, when the pulverizer is in operation, the impact of the high-speed impact can easily cause the connection between the pulverizer cutter head and the pulverizer body to loosen, affecting normal work; second, the pulverizer cutter head works for a long time, which is easy to cause wear and tear, and even breaks in severe cases. The pulverizer cutter head needs to be replaced frequently, which increases the cost of use and reduces work efficiency; third, during the pulverization process, waste products are prone to seepage of sewage or impurities, which will adhere to the mechanical teeth, affecting normal work and reducing work efficiency. For this reason, a pulverizer mechanical tooth for waste treatment is designed to overcome the above problems. Summary of the invention
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and to provide a mechanical tooth for a waste treatment pulverizer which has a simple and reasonable structure, is easy to use, install and disassemble, has a firm fixation, has high strength, high impact resistance and high wear resistance, and has a long service life.
[0004] The utility model is realized through the following technical scheme: a mechanical tooth of a pulverizer for waste treatment, comprising a mechanical tooth body, wherein the body is composed of a whole mounting portion at the rear and a working portion arranged in front of the mounting portion, wherein the working portion is a protruding working block arranged in the middle position in front of the mounting portion, the working block is convex on the upper side and concave on the lower side so that the front surface forms a curved structure, the two sides of the surface of the curved structure gather inward to form an eight-shaped curved working surface parallel to the front and inclined on both sides, a working head is provided on the top of the working surface, a groove is provided on the working head, a hard alloy block is embedded in the groove, the hard alloy block is arranged obliquely upward, the two sides of the upper surface gather inward to form a working tip of the eight-shaped structure, and a hard alloy block is also embedded on one side of the working head located on the mounting portion to play the role of reinforcing ribs and preventing wear.
[0005] Preferably, the mounting portion is a circular threaded positioning hole that passes through the main body, and a rectangular block and a circular boss are provided at the bottom of the threaded positioning hole. The circular boss is located below the rectangular block, and its internal hollow space is consistent with the size of the positioning hole, wherein the rectangular block is used for limiting, and the circular boss is used for positioning and assembly, so as to facilitate the bolts to pass through the positioning hole for fixing.
[0006] Preferably, one side of the rectangular block and the circular boss is a working block, with a certain gap between it and the working block as a slot for inserting into the crusher, and anti-slip grooves are provided on the working block at the gap to increase friction and prevent falling and breaking.
[0007] Preferably, the threaded positioning hole is located at the top of the main body and is also provided with a square boss, which is used to place gaskets and nuts. The periphery of the square boss is sunken, and its sunken surface is arranged to be tilted downward so that sewage can flow out along the surface during operation.
[0008] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0009] The mechanical teeth of the waste crusher designed by the utility model are inlaid with high-strength and high-wear-resistant hard alloy blocks on the working surface to dominate the crushing operation, and the rear row uses high-hardness and high-wear-resistant hard alloy to protect the tooth body, which overcomes the problem of technical deficiencies that cause structural damage and require frequent replacement of tooth heads, reduces the cost of use, and uses rectangular protrusions, circular bosses and square bosses to fix the tooth heads in conjunction with bolts and nuts, and is also provided with slots for facilitating the insertion of the mechanical teeth into the crusher, which plays a multiple fixing role and improves the overall stability. The utility model has many advantages such as simple and reasonable structure, easy installation and disassembly, firm fixation, high strength, high impact resistance and high wear resistance, and long service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0011] Figure 2 for Figure 1 Schematic diagram of direction A.
[0012] Figure 3 for Figure 2 Schematic diagram of direction B. DETAILED DESCRIPTION
[0013] In order to enable ordinary technicians in the field to more clearly understand the purpose, technical solutions and advantages of the utility model, the utility model is further explained below in conjunction with the accompanying drawings and embodiments.
[0014] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "horizontal" and "vertical" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention. They do not indicate or imply that the device or component referred to must have a specific direction and therefore should not be understood as a limitation on the present invention.
[0015] The utility model will be described in detail below with reference to the accompanying drawings: Figure 1-2 As shown, a mechanical tooth of a shredder for waste treatment comprises a mechanical tooth body 1, wherein the body consists of a whole mounting portion 2 at the rear, and a working portion 3 arranged in front of the mounting portion 2, wherein the working portion 3 is a protruding working block 4 arranged in the middle position in front of the mounting portion 2, and the working block 4 is convex on the upper side and concave on the lower side so that the front surface forms a curved structure, and the two sides of the surface of the curved structure gather inward to form an eight-shaped curved working surface 5 parallel to the front and inclined on both sides, and a working head 6 is provided on the top of the working surface 5, and a groove 7 is provided on the working head 6, and a cemented carbide block 8 is embedded in the groove 7, and the cemented carbide block 8 is arranged obliquely upward, and the two sides of the upper surface gather inward to form a working tip 9 of an eight-shaped structure, and a cemented carbide block is also embedded on one side of the working head 6 located on the mounting portion 2, which plays a role in reinforcing ribs and preventing wear.
[0016] The utility model has high-strength and high-wear-resistant hard alloy blocks inlaid on the working surface to dominate the crushing operation and uses high-hardness and high-wear-resistant hard alloy to protect the tooth body in the rear row, which greatly improves the overall strength, thereby overcoming the problem of structural damage causing frequent replacement of tooth heads due to technical deficiencies and reducing the cost of use.
[0017] The mounting portion 2 is a circular threaded positioning hole 10 that passes through the body. A rectangular block 11 and a circular boss 12 are provided at the bottom of the threaded positioning hole 10. The circular boss 12 is located below the rectangular block 11. Its internal hollow space is consistent with the size of the positioning hole. The rectangular block 11 is used for limiting, and the circular boss 12 is used for positioning and assembly, so that bolts can pass through the positioning hole for fixing. One side of the rectangular block 11 and the circular boss 12 is a working block 4. There is a certain gap 13 between the working block 4 and the working block 4, which serves as a slot for inserting into the crusher. Anti-skid patterns 16 are provided on the working block at the gap 13 to increase friction and prevent falling and breaking.
[0018] The utility model uses a rectangular block, a circular boss and a square boss to cooperate with bolts and nuts to fix the tooth head, and is also provided with a slot for facilitating the insertion of the mechanical tooth into the grinder, which plays a multiple fixing role, improves the overall stability, prevents displacement during operation, and greatly improves the overall service life. Anti-slip grooves are also provided on the slot, which can better improve the overall limiting and fixing effects.
[0019] like Figure 3 As shown, the threaded positioning hole 10 is located at the top of the main body and is also provided with a square boss 14, which is used to place gaskets and nuts. The periphery of the square boss 14 is sunken, and its sunken surface 15 is arranged to be tilted downward so that sewage can flow out along the surface during operation.
[0020] The utility model can conveniently discharge sewage that is easily adhered to the mechanical teeth during processing through the sunken surface around the square boss, thus ensuring the normal operation of the mechanical teeth and also improving the overall service life to a certain extent.
[0021] The specific embodiments described herein are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by a person of ordinary skill in the art without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.
Claims
1. A mechanical tooth for a pulverizer for waste treatment, comprising a mechanical tooth body, characterized in that: The main body is composed of a whole mounting part at the rear and a working part arranged in front of the mounting part. The working part is a protruding working block arranged in the middle position in front of the mounting part. The working block is convex on the top and concave on the bottom, so that the front surface forms a curved structure. The two sides of the curved structure surface gather inward to form an eight-shaped curved working surface parallel to the front and inclined on both sides. A working head is provided on the top of the working surface, and a groove is provided on the working head. A cemented carbide block is embedded in the groove. The cemented carbide block is arranged obliquely upward, and the two sides of its upper surface gather inward to form a working tip with an eight-shaped structure. A cemented carbide block is also embedded on one side of the working head located on the mounting part to play the role of reinforcing ribs and preventing wear.
2. The mechanical teeth of a pulverizer for waste treatment according to claim 1, characterized in that: The mounting portion is a circular threaded positioning hole that passes through the body, and a rectangular block and a circular boss are provided at the bottom of the threaded positioning hole. The circular boss is located below the rectangular block, and its internal hollow space is consistent with the size of the positioning hole. The rectangular block is used for limiting, and the circular boss is used for positioning and assembly, which facilitates the bolt to pass through the positioning hole for fixing.
3. The mechanical teeth of a pulverizer for waste treatment according to claim 2, characterized in that: One side of the rectangular block and the circular boss is a working block, and a gap is left between the working block and the working block as a slot for inserting into the crusher, and anti-slip grooves are provided on the working block at the gap to increase friction and prevent falling and breaking.
4. The mechanical teeth of a pulverizer for waste treatment according to claim 2, characterized in that: The threaded positioning hole is located at the top of the main body and is also provided with a square boss, which is used to place gaskets and nuts. The periphery of the square boss is sunken, and its sunken surface is arranged to be tilted downward, so that sewage can flow out along the surface during operation.