Waste treatment mechanical tooth of pulverizer

Abstract

The utility model relates to a crusher waste treatment mechanical tooth, which comprises a blocky mechanical tooth body, one end of the top surface of the mechanical tooth body is recessed inwards to form a mounting groove, a hard alloy block is embedded and welded in the mounting groove to serve as a working head, the rear part of the working head is positioned on the top surface of a loosening machine tooth head body and is inclined downwards, and the width of the working head is gradually reduced. An inclined and folded tail part is formed, a convex positioning column is arranged below the tail part and located on the bottom face of the loosening machine tooth head body, an assembly hole penetrating through the whole mechanical tooth body is vertically formed in the positioning column, and a bolt is inserted into the assembly hole to achieve connection and fixation between the mechanical tooth body and a pulverizer. The fixing device has the advantages of simple structure, convenience in mounting and dismounting, firmness in fixation, long service life and the like.

Description

Technical Field

[0001] The utility model relates to a mechanical tooth for processing waste products of a crusher, 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 seep out sewage or debris, which will stick to the mechanical teeth, affecting normal work and reducing work efficiency. For this reason, a pulverizer waste treatment mechanical tooth 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 design of a waste processing mechanical tooth for a crusher 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, has a long service life, and greatly improves the work efficiency.

[0004] The utility model is realized through the following technical scheme: a mechanical tooth for waste processing of a crusher, comprising a block-shaped mechanical tooth body, one end of the top surface of the mechanical tooth body is recessed inward to form a mounting groove, a carbide block is embedded and welded in the mounting groove as a working head, the rear of the working head is located on the top surface of the mechanical tooth body, which is inclined downward and the width gradually decreases to form an oblique and contracted tail, and an outwardly protruding positioning column is arranged on the bottom surface of the mechanical tooth body below the tail, an assembly hole that runs through the entire mechanical tooth body is vertically arranged in the positioning column, and a bolt is inserted into the assembly hole to realize the connection and fixation between the mechanical tooth body and the crusher.

[0005] Preferably: a flange inclined inwardly and upwardly is provided on both sides of the top surface of the mechanical tooth body between the working head and the tail, and a flow channel is formed between the two flanges for discharging debris and sewage generated after the waste is crushed after the operation of the working head, and a triangular protrusion is provided in the middle position of the tail, and the protrusion is used to improve the strength of the tail and to divert debris and sewage.

[0006] Preferably, the outer sides of the two flanges are respectively provided with mutually symmetrical protective edges on the opposite sides of the mechanical tooth body, and at least one protective edge is welded with a corresponding hard alloy layer to improve the side strength and wear resistance of the mechanical tooth body.

[0007] Preferably, downwardly extending guiding and limiting strips are respectively provided at both ends of the bottom surface of the mechanical tooth body directly opposite to the lower side of the protective edge. The bottom surface heights of the two limiting strips are higher than the bottom surface height of the outwardly protruding positioning post, which is used to facilitate the assembly of the mechanical tooth body.

[0008] Preferably, the positioning post has an overall "8" - shaped structure, forming a limiting and fixing device with the two guiding and limiting strips, which is used to facilitate the insertion and installation of the mechanical tooth body on the crusher and improve the stability after installation, thereby preventing the connection between the mechanical tooth body and the crusher from loosening due to vibration during the operation of the working head.

[0009] Preferably, the working head is at least one sharp - angled hard alloy block, and adjacent hard alloy blocks are closely attached to each other and arranged in parallel, which is used to improve the crushing effect of the working head.

[0010] Preferably, the side surface of the mechanical tooth body directly below the working head is an inclined slope surface arranged inwardly, so that the working head protrudes outwardly from the mechanical tooth body. This slope surface is used to facilitate the operation of the working head and play a role of buffering and protection.

[0011] Preferably, the assembly hole is composed of a circular positioning hole and a circular bolt hole opened on the positioning hole. The positioning hole and the bolt hole have the same center point, and the diameter of the positioning hole is larger than the diameter of the bolt hole. A bolt is inserted into the bolt hole to realize the connection and fixation between the mechanical tooth body and the crusher.

[0012] The beneficial effects of the present utility model are as follows: The mechanical tooth for waste treatment of the crusher designed by the present utility model has a working head made of high - strength and high - wear - resistant conical sharp hard alloy blocks, which greatly improves the cutting effect and overcomes the deficiency in design that causes the block alloy to break and requires frequent replacement of the tooth head, greatly reducing the manufacturing cost and the use cost. A high - strength and high - wear - resistant hard alloy layer is inlaid on the protective edge on at least one side of the working head, and an inclined slope surface is provided below the working head, thus greatly protecting the tooth body and increasing the service life. The bottom of the mechanical tooth body is a convex "8" - shaped positioning post, and the positioning hole and bolt hole of the positioning post are used for limiting and assembly, and are fixed with bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model.

[0014] Figure 2 is Figure 1 a schematic view in the direction of A of

[0015] Figure 3 is Figure 1 a schematic view in the direction of B of

[0016] Figure 4for Figure 1 C-direction schematic diagram. DETAILED DESCRIPTION

[0017] 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.

[0018] 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.

[0019] The utility model will be described in detail below with reference to the accompanying drawings: Figure 1 As shown, a mechanical tooth for waste processing of a crusher comprises a block-shaped mechanical tooth body 1, one end of the top surface 2 of the mechanical tooth body 1 is recessed inward to form a mounting groove 3, a carbide block 4 is embedded and welded in the mounting groove 3 as a working head 5, the top surface 2 of the mechanical tooth body 1 behind which is inclined downward and the width gradually decreases to form an oblique and contracted tail 6, and an outwardly protruding positioning column 8 is arranged on the bottom surface 7 of the mechanical tooth body 1 below the tail 6, an assembly hole 9 which runs through the entire mechanical tooth body 1 is vertically arranged in the positioning column 8, and a bolt is inserted into the assembly hole 9 to realize the connection and fixation between the mechanical tooth body 1 and the crusher.

[0020] like Figure 2 As shown, a flange 10 inclined inwardly and upwardly is provided on both sides of the top surface 2 of the mechanical tooth body between the working head 5 and the tail 6, and a flow channel 11 is formed between the two flanges 10 for discharging debris and sewage generated after the waste is crushed after the operation of the working head 5, and a triangular protrusion 12 is provided in the middle position of the tail 6, and the protrusion 12 is used to improve the strength of the tail 6 and play a role in diverting debris and sewage.

[0021] The outer sides of the two flanges 10 are respectively provided with symmetrical protective edges 13 on the opposite sides of the mechanical tooth body 1, and at least one protective edge 13 is welded with a corresponding hard alloy layer 14 to improve the side strength and wear resistance of the mechanical tooth body 1.

[0022] On at least one side of the protective edge of the working head of the present utility model, a hard alloy layer with high strength and high wear resistance is inlaid, thereby greatly protecting the tooth body and increasing the service life. Of course, the tooth heads of the present utility model can be used in a group of two. When used in a group of two, a hard alloy layer with high strength and high wear resistance is only inlaid on one side of the protective edge of the working head. Then, according to the different inlaid positions, the two mechanical tooth bodies can be reasonably installed on the machine as left and right tooth heads, and the working effect is more perfect.

[0023] On both sides of the bottom surface of the mechanical tooth body 7 directly opposite to the lower part of the protective edge 13, downwardly extending guiding and limiting strips 15 are respectively provided. The bottom surface heights of the two limiting strips 15 are higher than the bottom surface height of the outwardly protruding positioning post 8, which is used to facilitate the assembly of the mechanical tooth body 1.

[0024] The present utility model is used in cooperation with the positioning post by providing the downwardly extending guiding and limiting strips, which is used to facilitate the insertion and installation of the mechanical tooth body on the crusher and improve the stability after installation, thereby preventing the connection between the mechanical tooth body and the crusher from loosening due to the vibration during the operation of the working head, making the overall installation firmly fixed.

[0025] As Figures 3-4 shown, the positioning post 8 is integrally in an "8" - shaped structure, forming a limiting and fixing device with the two guiding and limiting strips 15, which is used to facilitate the insertion and installation of the mechanical tooth body on the crusher and improve the stability after installation, thereby preventing the connection between the mechanical tooth body and the crusher from loosening due to the vibration during the operation of the working head. The assembly hole 9 is composed of a circular positioning hole 17 and a circular bolt hole 18 opened on the positioning hole 17. The positioning hole 17 and the bolt hole 18 have the same center point and the diameter of the positioning hole 17 is larger than the diameter of the bolt hole 18. A bolt is inserted into the bolt hole 18 to realize the connection and fixation between the mechanical tooth body 1 and the crusher.

[0026] The bottom of the mechanical tooth body of the present utility model is a convex "8" - shaped positioning post, and the positioning hole and bolt hole of the positioning post are used for limiting and assembling, and are fixed with bolts.

[0027] The working head 5 is at least one sharp - angled hard alloy block 4. The adjacent hard alloy blocks 4 are closely attached to each other and arranged in parallel, which is used to improve the crushing effect of the working head 5. The side surface of the mechanical tooth body 1 directly below the working head 5 is an inclined slope surface 16 arranged inwardly, so that the working head 5 protrudes partially outside the mechanical tooth body 1. This slope surface is used to facilitate the operation of the working head 5 and play a role of buffering and protection.

[0028] The waste treatment mechanical tooth of the crusher designed by the utility model has a working head which is a conical and sharp cemented carbide block with high strength and high wear resistance, thus greatly improving the cutting effect and overcoming the deficiency in design that the massive alloy is broken and the tooth head needs to be frequently replaced, greatly reducing the manufacturing cost and the use cost. The utility model has the advantages of reasonable structure, good firmness, convenient use and installation, good firmness of the overall tooth head structure, high impact resistance and high wear resistance, thus greatly improving the working efficiency and so on.

[0029] The specific embodiments described in this text are only illustrative of the principles and effects of the utility model, rather than used to limit the utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A mechanical tooth for waste treatment of a crusher, comprising a block-shaped mechanical tooth body (1), characterized in that: One end of the top surface (2) of the mechanical tooth body (1) is recessed inward to form a mounting groove (3). A cemented carbide block (4) is embedded and welded in the mounting groove (3) as the working head (5). Behind the working head (5), the top surface (2) of the mechanical tooth body (1) slopes downward and its width gradually decreases, forming an obliquely converging tail (6). An outwardly protruding positioning post (8) is provided on the bottom surface (7) of the mechanical tooth body (1) below the tail (6). An assembly hole (9) vertically penetrating the entire mechanical tooth body (1) is provided in the positioning post (8). A bolt is inserted into the assembly hole (9) to connect and fix the mechanical tooth body (1) to the crusher.

2. The waste treatment mechanical tooth of the crusher according to claim 1, characterized in that: On both sides of the top surface (2) of the mechanical tooth body between the working head (5) and the tail (6), an inwardly inclined and upwardly turned edge (10) is respectively provided. A flow channel (11) is formed between the two turned edges (10) for discharging the debris and sewage generated after the waste is crushed by the working head (5). A triangular convex block (12) is provided at the middle position of the tail (6). The convex block (12) is used to improve the strength of the tail (6) and play a role in diverting the debris and sewage.

3. The mechanical teeth for waste treatment of the crusher according to claim 2, characterized in that: On the outer sides of the two turned edges (10), symmetrically arranged protective edges (13) are respectively provided on the opposite side bodies of the mechanical tooth body (1). At least one protective edge (13) is welded with a corresponding cemented carbide layer (14) to improve the side strength and wear resistance of the mechanical tooth body (1).

4. The mechanical teeth for waste treatment of a crusher according to claim 3, wherein: Below the protective edge (13), downwardly extending guiding and limiting strips (15) are respectively provided at the two end portions of the mechanical tooth body bottom surface (7) facing each other. The bottom surface height of the two limiting strips (15) is higher than the bottom surface height of the outwardly protruding positioning post (8), which is used to facilitate the assembly of the mechanical tooth body (1).

5. The waste treatment mechanical tooth of the crusher according to claim 4, characterized in that: The positioning post (8) is integrally in an "8" - shaped structure, forming a limiting and fixing device with the two guiding and limiting strips (15), which is used to facilitate the insertion and installation of the mechanical tooth body on the crusher and improve the stability after installation, thereby preventing the connection between the mechanical tooth body and the crusher from loosening due to the vibration during the operation of the working head (5).

6. The waste treatment mechanical tooth of the crusher according to claim 5, characterized in that: The working head (5) is at least one pointed - shaped cemented carbide block (4). Adjacent cemented carbide blocks (4) are closely attached to each other and arranged in parallel to improve the crushing effect of the working head (5).

7. The mechanical teeth for waste treatment of a crusher according to claim 6, characterized in that: The side surface of the mechanical tooth body (1) directly below the working head (5) is an inwardly inclined slope surface (16), so that the working head (5) protrudes partially from the mechanical tooth body (1). The slope surface is used to facilitate the operation of the working head (5) and play a role in buffer protection.

8. The mechanical teeth for waste treatment of a crusher according to claim 1, characterized in that: The assembly hole (9) is composed of a circular positioning hole (17) and a circular bolt hole (18) opened on the positioning hole (17). The positioning hole (17) and the bolt hole (18) have the same center point and the diameter of the positioning hole (17) is larger than the diameter of the bolt hole (18). A bolt is inserted into the bolt hole (18) to connect and fix the mechanical tooth body (1) to the crusher.

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