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Preparation method of throwing head

A throwing head and liner technology, which is used in welding equipment, manufacturing tools, metal processing equipment, etc., can solve the problems of the throwing head liner and the throwing head base being separated, and achieve the effect of low cost and long service life.

Active Publication Date: 2020-03-20
JIANGSU XCMG CONSTR MASCH RES INST LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the bonding strength is not good, under the continuous impact of high-speed stones, the liner of the throwing head and the base of the throwing head may be separated from the risk

Method used

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  • Preparation method of throwing head
  • Preparation method of throwing head
  • Preparation method of throwing head

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] The relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. At the same time, it should be understood that, for the convenience of descriptio...

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Abstract

The invention discloses a preparation method for a material throwing head. The preparation method for the material throwing head comprises the following steps that diamond composite pieces are provided, wherein the diamond composite pieces each comprise a hard alloy matrix and a diamond layer arranged on the hard alloy matrix; a lining plate matrix is provided; and the hard alloy matrixes are connected to the lining plate matrix in a soldering mode, so that a lining plate is formed, the diamond layers are covered with protective agents to be prevented from being carbonized or oxidized in the soldering process in the soldering process. According to the preparation method for the material throwing head, when the diamond composite pieces are soldered to the lining plate matrix, the diamond layers are covered with the protective agents to be prevented from being carbonized or oxidized in the soldering process, and accordingly the diamond layers are protected; and compared with the mode that in the prior art, diamond layers are protected in the vacuum atmosphere, the preparation method is low in cost and easy to use and popularize in production practice.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to a method for preparing a throwing head. Background technique [0002] The throwing head is subjected to the impact and friction of high-speed stones when the vertical shaft impact crusher is working, and it is a standing vulnerable part of the vertical shaft impact crusher. The throwing head is composed of the throwing head base and the liner, and the service life of the throwing head mainly depends on the throwing head liner. Lining plates in the prior art are generally made of cemented carbide, and cemented carbide is prepared from carbides of refractory metals and bonding metals through powder metallurgy. On the one hand, due to the properties of the hard phase itself, there is not much room for a substantial increase in the hardness of the cemented carbide, so there is not much room for a substantial increase in the service life of the cemented carbide lining; ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K1/002B23K1/20
CPCB23K1/0008B23K1/002B23K1/20
Inventor 李毅张东亚冯坤
Owner JIANGSU XCMG CONSTR MASCH RES INST LTD