High-strength mechanical tooth for waste treatment

By designing high-strength, high-wear-resistant alloy steel knife angle tooth heads and high-strength waste treatment mechanical teeth combined with the "8" shaped bump structure, the existing mechanical teeth are easily loosened, worn and broken during high-speed impact, achieving higher working efficiency and service life, while reducing the cost of use.

CN222606616UActive Publication Date: 2025-03-14ZHEJIANG OUDE WEAR RESISTANT PARTS
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420902553.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-03-14
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The mechanical teeth of existing waste disposal machines and crushers are likely to cause loose connections between the teeth and the machine during high-speed impact, causing wear and breakage, and need to be replaced frequently, affecting work efficiency and increasing the cost of use.

Method used

Design a mechanical tooth for high-strength waste treatment, adopts a high-strength, high-wear-resistant alloy steel knife angle tooth head, combined with the structure of "8" shaped bumps and bolt holes, so that waste chips and sewage flow out through the design of the slope surface and tail, ensuring the firm connection and stable use of the tooth head.

Benefits of technology

The mechanical tooth structure is not easy to be damaged, which reduces the frequency of tooth replacement, reduces the cost of use, improves work efficiency, and effectively reduces the adhesion of waste chips and sewage on the tooth, and extends the service life of the tooth.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222606616U_ABST
    Figure CN222606616U_ABST
Patent Text Reader

Abstract

The utility model relates to a high-strength mechanical tooth for waste treatment, which comprises a blocky mechanical tooth body, one end of the mechanical tooth body tilts upwards to form a working head in a flat tool nose shape, and the periphery of the upper surface of the mechanical tooth body behind the working head sinks downwards. Slope faces located on the two sides of the rear portion of the working head and a downwards-inclined tail portion are formed, so that waste chips and sewage generated after the working head treats waste products can conveniently flow out through the slope faces, the portion, located on the lower surface of the mechanical tooth body, of the lower portion of the slope faces is an assembling face, and limiting protruding blocks are arranged on the assembling face. Bolt holes are formed in the limiting convex blocks, the limiting convex blocks are clamped into corresponding grooves of the waste disposer, and then bolts are inserted into the bolt holes, so that the mechanical tooth body and the waste disposer are connected and fixed. The utility model has the advantages of simple structure, convenience in installation and use, good firmness, reasonable structure, high hardness and high wear resistance, greatly improved working efficiency and the like.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of waste treatment machine accessories, and in particular relates to a high-strength mechanical tooth for waste treatment. Background Art

[0002] Waste treatment machines and pulverizers are machines that crush large-sized solid raw materials into required sizes. Waste treatment machines achieve the purpose of crushing and processing in the form of high-speed impact, and the mechanical teeth for waste treatment are one of the important parts of waste treatment machines. The existing mechanical teeth of waste treatment machines and pulverizers have the following problems: First, when the waste treatment machine is working, the impact of high-speed impact is likely to cause the connection between the tooth head and the waste treatment machine to loosen, affecting normal work, and the tooth head is prone to wear and tear after working for a long time, and even breaks in severe cases, and the tooth head needs to be replaced frequently, which is not only cumbersome to replace and reduces work efficiency, but also uses carbide blocks as working heads, which greatly increases the cost of use. In addition, sewage is easily generated during the crushing process, and the crushed materials adhere to the tooth head body, greatly affecting work efficiency. For this reason, a high-strength mechanical tooth for waste treatment is designed to overcome the above problems. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and to provide a high-strength scrap processing mechanical tooth with simple structure, convenient installation and use, good firmness, reasonable structure, high hardness and high wear resistance, which greatly improves work efficiency.

[0004] The utility model is realized through the following technical scheme: a high-strength mechanical tooth for waste treatment, comprising a block-shaped mechanical tooth body, one end of the mechanical tooth body is upwardly tilted to form a flat tip-shaped working head, and the upper surface of the mechanical tooth body behind the working head is recessed downward to form slope surfaces on both sides of the rear of the working head and a downwardly tilted tail, which is used to facilitate the waste scraps and sewage generated after the working head processes the waste to flow out through the slope surface, and the lower surface of the mechanical tooth body below the slope surface is an assembly surface, a limiting protrusion is arranged on the assembly surface, and a bolt hole is arranged on the limiting protrusion, and the limiting protrusion is inserted into the corresponding groove of the waste treatment machine, and then the bolt is inserted into the bolt hole to realize the connection and fixation between the mechanical tooth body and the waste treatment machine.

[0005] Preferably, the area of ​​the tail away from the working head gradually decreases, presenting an inwardly contracting trapezoidal structure, and a triangular reinforcing protrusion is arranged in the middle of the tail, and the reinforcing protrusion is used to improve the overall strength of the mechanical tooth body and to divert waste chips and sewage generated after the working head processes waste products to both sides.

[0006] Preferably, the lower surface edge of the mechanical tooth body located directly below the working head extends downward to form two symmetrical limiting ribs, and the two limiting ribs and the limiting protrusion form a limiting device for limiting and assembling the waste processing machine to prevent the mechanical tooth from shifting during operation.

[0007] Preferably, the limiting protrusion is an "8"-shaped structure, and a circular bolt hole is provided in the middle of the limiting protrusion, and the bolt hole is a blind hole.

[0008] Preferably, the middle position of a side surface of the working head near the tail is recessed to form a channel for waste chips and sewage to flow through, and the channel is connected to the slope surface to facilitate the waste chips and sewage to flow out of the slope surface.

[0009] Preferably, the working head is made of alloy steel.

[0010] The beneficial effects of the utility model are as follows:

[0011] 1) The working head of the utility model adopts a high-strength and high-wear-resistant alloy steel blade angle tooth head to replace the expensive carbide block, which greatly reduces the use cost, and the cutting effect is better and more stable. In addition, this structure is not easy to damage and does not need to replace the tooth head frequently, which greatly reduces the use cost.

[0012] 2) The bottom of the mechanical tooth head body of the utility model adopts an "8"-shaped protrusion, and the bolt hole and the limiting retaining edges on both sides are used for limiting and assembly, and the stability after assembly is better.

[0013] 3) The upper surface of the mechanical tooth body of the utility model is concave on all sides, forming slope surfaces on both sides of the rear of the working head and a downwardly inclined tail, which facilitates the waste chips and sewage generated after the working head processes the waste to flow out through the slope surface, thereby effectively reducing the occurrence of waste chips and sewage sticking to the tooth head, preventing it from affecting work efficiency, and also improving the service life of the tooth head to a certain extent.

[0014] The utility model has the advantages of reasonable and simple structure, good firmness, convenient use and installation, good firmness of the overall tooth head structure, high impact resistance and high wear resistance, thereby greatly improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 for Figure 1 Schematic diagram of direction A.

[0017] Figure 3 for Figure 1 Schematic diagram of direction B.

[0018] Figure 4 for Figure 1 C-direction schematic diagram. DETAILED DESCRIPTION

[0019] 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.

[0020] 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.

[0021] The utility model will be described in detail below with reference to the accompanying drawings: Figure 1-2 As shown, a high-strength mechanical tooth for waste treatment includes a block-shaped mechanical tooth body, one end of the mechanical tooth body is tilted upward to form a flat tip-shaped working head 1, and the upper surface 2 of the mechanical tooth body behind the working head 1 is recessed downward to form slope surfaces 3 on both sides of the rear of the working head and a downwardly inclined tail 4, which are used to facilitate the waste chips and sewage generated after the working head 1 processes the waste to flow out through the slope surface 3. The lower surface of the mechanical tooth body below the slope surface 3 is an assembly surface 10, and a limiting protrusion 5 is provided on the assembly surface 10, and a bolt hole 6 is provided on the limiting protrusion 5. The limiting protrusion 5 is inserted into the corresponding groove of the waste treatment machine, and then the bolts are inserted into the bolt holes 6 to realize the connection and fixation between the mechanical tooth body and the waste treatment machine.

[0022] The working head of the utility model adopts a high-strength and high-wear-resistant alloy steel blade angle tooth head to replace the expensive carbide block, which greatly reduces the use cost, and the cutting effect is better and more stable. In addition, this structure is not easy to damage and does not need to replace the tooth head frequently, which greatly reduces the use cost.

[0023] The upper surface of the mechanical tooth body of the utility model is concave on all sides, forming slope surfaces on both sides of the rear of the working head and a downwardly inclined tail, which facilitates the waste chips and sewage generated after the working head processes the waste to flow out through the slope surfaces, thereby effectively reducing the occurrence of waste chips and sewage sticking to the tooth head, preventing it from affecting work efficiency, and also improving the service life of the tooth head to a certain extent.

[0024] The area of ​​the tail portion 4 on the side away from the working head 1 decreases step by step, presenting an inwardly contracted trapezoidal structure 7. A triangular reinforcing protrusion 8 is arranged in the middle of the tail portion 4. The reinforcing protrusion 8 is used to improve the overall strength of the mechanical tooth body and to divert waste chips and sewage generated after the working head processes waste products to both sides.

[0025] The lower surface edge of the mechanical tooth body located directly below the working head 1 extends downward to form two symmetrical limiting ribs 9. The two limiting ribs 9 and the limiting protrusion 5 form a limiting device for limiting and assembling the waste processing machine to prevent the mechanical tooth from shifting during operation.

[0026] like Figure 3-4 As shown, the limiting protrusion 5 is an "8"-shaped structure, and a circular bolt hole 6 is provided in the middle position of the limiting protrusion 5, and the bolt hole 6 is a blind hole. The middle position of the side surface of the working head 1 close to the tail 4 is concave to form a channel 11 for waste chips and sewage to flow through, and the channel 11 is connected to the slope surface 3, so that waste chips and sewage can flow out from the slope surface 3.

[0027] The working head 1 is made of alloy steel. The bottom of the mechanical tooth head body of the utility model adopts an "8"-shaped protrusion, and the bolt hole and the limiting retaining edges on both sides are used for limiting and assembly, and the stability after assembly is better.

[0028] 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 high-strength scrap processing mechanical tooth, comprising a block-shaped mechanical tooth body, characterized in that: One end of the mechanical tooth body is tilted upward to form a flat tip-shaped working head (1), and the upper surface (2) of the mechanical tooth body behind the working head (1) is recessed downward to form slope surfaces (3) located on both sides of the rear of the working head and a downwardly inclined tail (4), which are used to facilitate the flow of waste scraps and sewage generated after the working head (1) processes waste products through the slope surface (3). The lower surface of the mechanical tooth body below the slope surface (3) is an assembly surface (10), and a limiting protrusion (5) is provided on the assembly surface (10), and a bolt hole (6) is provided on the limiting protrusion (5).

2. The high-strength scrap processing mechanical tooth according to claim 1, characterized in that: The area of ​​the tail portion (4) on the side away from the working head (1) decreases step by step, presenting an inwardly contracted trapezoidal structure (7), and a triangular reinforcement protrusion (8) is provided in the middle of the tail portion (4).

3. The high-strength scrap processing mechanical tooth according to claim 2, characterized in that: The working head (1) extends downward from the lower surface edge of the mechanical tooth body directly below the working head (1) to form two mutually symmetrical limiting ribs (9), and the two limiting ribs (9) and the limiting protrusion (5) form a limiting device for limiting and assembling the waste processing machine.

4. The high-strength scrap processing mechanical tooth according to claim 3, characterized in that: The limiting protrusion (5) is an "8"-shaped structure, and a circular bolt hole (6) is provided in the middle of the limiting protrusion (5), and the bolt hole (6) is a blind hole.

5. The high-strength scrap processing mechanical tooth according to claim 1, 2 or 3, characterized in that: The middle position of a side surface of the working head (1) close to the tail portion (4) is recessed to form a channel (11) for waste chips and sewage to flow through, and the channel (11) is connected to the slope surface (3).

6. The high-strength scrap processing mechanical tooth according to claim 5, characterized in that: The working head (1) is made of alloy steel.