Anti-falling alloy cutter head

An alloy knife and anti-shedding technology, which is applied in cutting machinery and other directions, can solve the problems of affecting the working efficiency and production cost of cutting teeth, insufficient wear resistance of cemented carbide, and low working efficiency of alloy cutting head, etc. The effect of firm layer, enhanced wear resistance and extended service life

Inactive Publication Date: 2015-10-28
安徽省皖江机电设备制造有限公司
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Problems solved by technology

The most important mining tool is the pick of the comprehensive mechanized coal shearer, and the key part of the pick is the alloy cutter head. Due to its harsh working conditions, it must have extremely high wear resistance and strength. Its wear resistance and strength directly affect the service life, and then affect the working efficiency and production cost of the pick
Commonly used alloy cutter heads are all equipped with cemented carbide layers, but there is a problem that the cemented carbide is easy to fall off, resulting in low work efficiency of the alloy cutter head, and the following reasons for the shedding of the cemented carbide cutter head: First, due to the structural design of the alloy cutter head Insufficiently, the cemented carbide on the alloy cutter head is easy to fall off; secondly, the wear resistance of the cemented carbide on the alloy cutter head is not enough, which causes premature wear of the pick head

Method used

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  • Anti-falling alloy cutter head

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Embodiment Construction

[0014] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0015] Such as figure 1 As shown, a kind of anti-falling alloy cutter head, it includes working section 1 and connecting section 2, is convenient to install; On working section 1, two parts of corrugated surface section 3 and conical surface top 4 are processed, and conical surface top 4 and The design of the wave surface section 3 strengthens the firmness of the cemented carbide layer on the alloy cutter head, and greatly strengthens the adsorption force of the alloy cutter head body on the cemented carbide layer; The material itself has the characteristics of high hardness and good wear resistance, which greatly enhances the wear resistance of the alloy cutter head, prolongs the service life, and greatly improves the lump coal rate; the d...

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Abstract

The invention discloses an anti-falling alloy cutter head, which comprises a work section and a connecting section, wherein two parts including a wave-shaped curve surface section and a cone surface top end are processed on the work section; a diamond layer is arranged on the cone surface top end; and the diamond layer and the wave-shaped curve surface section are in smooth transition connection. The anti-falling alloy cutter head has the advantages that the design is reasonable; the structure is simple; the problem of hard alloy falling is solved; the hardness, the strength and the wear-resistant performance of the alloy cutter head are greatly improved; and the service life of the alloy cutter head is prolonged.

Description

technical field [0001] The invention relates to the technical field of a coal mining machine, in particular to a fall-off-proof alloy cutter head. Background technique [0002] At present, with the rapid development of industrialization, all kinds of mines have basically realized mechanized mining operations, accompanied by various corresponding machines and tools to match the large-scale industrial production. The most important mining tool is the pick of the comprehensive mechanized coal shearer, and the key part of the pick is the alloy cutter head. Due to its harsh working conditions, it must have extremely high wear resistance and strength. Its wear resistance and strength directly affect the service life, and then affect the work efficiency and production cost of the pick. Commonly used alloy cutter heads are all equipped with cemented carbide layers, but there is a problem that the cemented carbide is easy to fall off, resulting in low work efficiency of the alloy cu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21C35/18
Inventor 冯夏苗
Owner 安徽省皖江机电设备制造有限公司
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