High-strength combined type crushing mechanical tooth

Abstract

The utility model relates to a high-strength combined type crushing mechanical tooth which comprises a tooth head and a tooth holder, one side of the tooth holder is a welding face used for welding the tooth holder on a crushing machine, the other side face of the tooth holder is sunken inwards to form an assembly groove matched with the tooth head in shape, and the tooth head is arranged in the assembly groove. An assembling groove is formed in the tooth holder, a first positioning through hole penetrating through the tooth holder is formed in the position, located under the assembling groove, of the tooth holder, a tooth head is arranged over the assembling groove, a protruding block is arranged on the side face, close to the tooth holder, of the tooth head, a second positioning through hole is formed in the protruding block, and the protruding block is inserted into the first positioning through hole. The second positioning through hole is communicated with the first positioning through hole and is used for mounting a long-head bolt, so that the tooth head and the tooth holder are connected and fixed, a working head is arranged on the other side surface, opposite to the convex block, of the tooth head, and a hard alloy blade is mounted on the working head. 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.

Description

Technical Field

[0001] The utility model belongs to the technical field of crushers, and in particular relates to a high-strength combined crusher mechanical tooth. Background Art

[0002] A crusher is a machine that crushes large-sized solid raw materials into required sizes. The crusher achieves the purpose of crushing and processing in the form of high-speed impact, and the crusher teeth are one of the important parts of the crusher. The existing crushers have the following problems: First, when the crusher is working, the impact of high-speed impact can easily cause the connection between the tooth head and the crusher to loosen, affecting normal work, and the crusher is prone to wear and tear when working for a long time, and even breaks in severe cases, requiring frequent replacement of the tooth head, which is not only cumbersome to replace and reduces work efficiency, but also causes debris and sewage splashing during the crushing process. For this reason, a high-strength combined crusher machine tooth is designed to overcome the above problems. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a high-strength combined crushing machine 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 combined crushing machine tooth, comprising a tooth head and a tooth seat, one side of the tooth seat is a welding surface, which is used to weld the tooth seat to the crusher, and the other side of the tooth seat is recessed inward to form an assembly groove matching the shape of the tooth head, and a first positioning through hole penetrating the tooth seat is provided on the tooth seat directly below the assembly groove, and a tooth head is provided directly above the assembly groove, a protrusion is provided on a side surface of the tooth head close to the tooth seat, and a second positioning through hole is provided on the protrusion, the protrusion is inserted into the first positioning through hole, the second positioning through hole is connected with the first positioning through hole, and is used to install a long head bolt, so as to realize the connection and fixation of the tooth head and the tooth seat, and a working head is provided on the other side of the tooth head relative to the protrusion, and a carbide blade is installed on the working head to facilitate cutting and crushing.

[0005] Preferably: the first positioning through hole of the gear seat is composed of a mounting hole with a trapezoidal structure and a positioning hole with a rectangular structure which are arranged in sequence from top to bottom, the mounting hole is connected to the positioning hole, and the bottom side length of the mounting hole of the trapezoidal structure is the same as the diameter of the positioning hole, and a protrusion with a trapezoidal structure matching the mounting hole is inserted into the mounting hole of the trapezoidal structure.

[0006] Preferably, the area of ​​the welding surface of the tooth seat away from the tooth head working head side decreases step by step, forming an arc-shaped and trapezoidal boss for facilitating welding.

[0007] Preferably, the tooth head is recessed inward relative to the other side of the protrusion, forming an outwardly convex pointed working head and an inwardly concave arc-shaped rib, and the area of ​​the pointed working head on the side away from the welding surface decreases step by step, which is used to facilitate cutting and crushing, and the inwardly concave arc-shaped rib is used to prevent the splashing of debris and sewage generated by the cutting of the working head.

[0008] Preferably, the side surface of the tooth seat connected to the arc-shaped rib is an outwardly convex arc-shaped surface, which is used to cooperate with the arc-shaped rib to reduce the splashing of debris and sewage generated by the cutting of debris by the working head.

[0009] The beneficial effects of the utility model are as follows:

[0010] The high-strength combined crushing machine teeth designed by the utility model adopt high-strength and high-wear-resistant carbide blades in the tooth head (working surface), which has better and more stable cutting effect, overcomes the technical deficiencies and structural damage caused by frequent replacement of the tooth head, and greatly reduces the replacement cost. The bottom of the tooth head body adopts a close fit between the tooth head and the tooth seat, plus a bolt that runs through the tooth seat and limits and fixes the tooth head. The utility model has the advantages of simple and reasonable structure, easy use and installation, good overall tooth head structure firmness, high impact resistance and high wear resistance, thereby greatly improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the explosion structure of the utility model.

[0012] Figure 2 for Figure 1 Schematic diagram of the A direction after assembly. 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 1-2As shown, a high-strength combined crushing machine tooth includes a tooth head 1 and a tooth seat 2, one side of the tooth seat 2 is a welding surface 3, which is used to weld the tooth seat 2 to the crusher, and the other side of the tooth seat 2 is recessed inward to form an assembly groove 4 matching the shape of the tooth head 1, and a first positioning through hole 5 penetrating the tooth seat 2 is provided on the tooth seat 2 directly below the assembly groove 4, and a tooth head 1 is provided directly above the assembly groove 4, a protrusion 6 is provided on the side of the tooth head 1 close to the tooth seat 2, and a second positioning through hole 7 is provided on the protrusion 6, the protrusion 6 is inserted into the first positioning through hole 5, and the second positioning through hole 7 is connected to the first positioning through hole 5 for installing a long head bolt, so as to realize the connection and fixation of the tooth head 1 and the tooth seat 2, and a working head 8 is provided on the other side of the tooth head 1 relative to the protrusion 6, and a carbide blade 9 is installed on the working head 8 for facilitating cutting and crushing. The first positioning through hole 5 of the gear seat 2 is composed of a mounting hole 10 with a trapezoidal structure and a positioning hole 11 with a rectangular structure, which are arranged in sequence from top to bottom. The mounting hole 10 is connected to the positioning hole 11, and the bottom side length of the mounting hole 10 with the trapezoidal structure is the same as the diameter of the positioning hole 11. A trapezoidal protrusion 6 matching the mounting hole 10 is inserted into the mounting hole 10 with the trapezoidal structure.

[0016] The crushing machine tooth seat combination designed by the utility model consists of a detachable tooth head and a tooth seat, which is convenient for installation and disassembly. When the tooth head is damaged, it only needs to be replaced separately, which greatly reduces the subsequent maintenance costs. The tooth head and the tooth seat are limited by a protrusion and fixed by bolts, so that the overall stability is good.

[0017] The area of ​​the welding surface 3 of the tooth seat 2 away from the tooth head working head 8 decreases step by step, forming an arc-shaped and trapezoidal boss 12 for convenient welding. The welding surface of the tooth seat of the utility model is a trapezoidal boss, which has a larger welding area than a flat surface, and the trapezoidal boss welding surface can also play a certain limiting role, which is convenient for limiting before welding and improving the overall firmness after welding.

[0018] The tooth head 1 is recessed inward relative to the other side of the protrusion 6, forming an outwardly convex pointed working head 8 and an inwardly concave arcuate rib 13, and the area of ​​the pointed working head 8 away from the welding surface 3 is gradually reduced, which is used to facilitate cutting and crushing, and the inwardly concave arcuate rib 13 is used to prevent the splashing of debris and sewage generated by the crushing cutting of the working head 8. The side of the tooth seat 2 connected to the arcuate rib 13 is a convex arcuate surface 14, which is used to cooperate with the arcuate rib 13 to reduce the splashing of debris and sewage generated by the crushing cutting of the working head 8.

[0019] The working head of the utility model is of pointed angle type, which is convenient for crushing and cutting, and the designed arc-shaped ribs and convex arc-shaped surfaces can well mitigate the splashing of debris and sewage generated by the crushing and cutting of the working head, making the work safer and more efficient.

[0020] 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 combined material-crushing mechanical tooth, comprising a tooth head (1) and a tooth seat (2), characterized in that: One side of the tooth seat (2) is a welding surface (3) for welding the tooth seat (2) to the crusher. The other side of the tooth seat (2) is recessed inward to form an assembly groove (4) matching the shape of the tooth head (1). A first positioning through hole (5) penetrating the tooth seat (2) is provided on the tooth seat (2) directly below the assembly groove (4). The tooth head (1) is provided directly above the assembly groove (4). A protrusion (6) is provided on a side of the tooth head (1) close to the tooth seat (2). A second positioning through hole (7) is provided on the protrusion (6). The protrusion (6) is inserted into the first positioning through hole (5). The second positioning through hole (7) is connected to the first positioning through hole (5) and is used to install a long head bolt, thereby realizing the connection and fixation between the tooth head (1) and the tooth seat (2). A working head (8) is provided on the other side of the tooth head (1) relative to the protrusion (6). A carbide blade (9) is installed on the working head (8) to facilitate cutting and crushing.

2. The high-strength combined material-crushing mechanical tooth according to claim 1, characterized in that: The first positioning through hole (5) of the gear seat (2) is composed of a mounting hole (10) with a trapezoidal structure and a positioning hole (11) with a rectangular structure, which are arranged in sequence from top to bottom. The mounting hole (10) is connected to the positioning hole (11), and the bottom length of the mounting hole (10) with the trapezoidal structure is the same as the diameter of the positioning hole (11). A protrusion (6) with a trapezoidal structure matching the mounting hole (10) is inserted into the mounting hole (10) with the trapezoidal structure.

3. The high-strength combined material-crushing mechanical tooth according to claim 2, characterized in that: The area of ​​the welding surface (3) of the tooth seat (2) away from the tooth head working head (8) gradually decreases, forming an arc-shaped and trapezoidal boss (12) for facilitating welding.

4. The high-strength combined material-crushing mechanical tooth according to claim 3 is characterized in that: The tooth head (1) is recessed inwardly relative to the other side of the protrusion (6), forming an outwardly convex pointed working head (8) and an inwardly concave arc-shaped retaining edge (13), and the area of ​​the pointed working head (8) on the side away from the welding surface (3) decreases step by step, so as to facilitate cutting and crushing, and the inwardly concave arc-shaped retaining edge (13) is used to prevent the splashing of debris and sewage generated by the cutting of the working head (8).

5. The high-strength combined material-crushing mechanical tooth according to claim 4 is characterized in that: A side surface of the tooth seat (2) connected to the arcuate rib (13) is an outwardly convex arcuate surface (14) for cooperating with the arcuate rib (13) to mitigate the splashing of debris and sewage generated by the cutting of debris by the working head (8).

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