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Stirring head for processing modification of stirring friction surface of surface layer of metal material

A technology of friction stirring and surface processing, which is applied in the field of stirring head for surface processing and modification of metal material surface layer friction stirring, which can solve problems such as chemical modification technology pollution, achieve comprehensive performance improvement, improve modification quality, and improve modification efficiency Effect

Inactive Publication Date: 2018-08-17
HUANGSHAN UNIV
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Problems solved by technology

[0003] The purpose of the present invention is to design a stirring head based on friction stir technology for surface processing and modification of metal material surface friction stir for the serious pollution problem of chemical modification technology

Method used

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  • Stirring head for processing modification of stirring friction surface of surface layer of metal material
  • Stirring head for processing modification of stirring friction surface of surface layer of metal material

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0014] Such as Figure 1-2 shown.

[0015] A stirring head for surface processing and modification of metal materials by stirring friction, which is mainly composed of a lower shoulder 1 and an upper shoulder 2, the lower shoulder 1 and the upper shoulder 2 are connected by bolts, and the lower shoulder 1 is internally opened There is a mold cavity, and a small circular hole 8 is opened at the bottom, the upper shoulder 2 and the clamping handle 3 are integrated, and a sliding hole 4 is opened inside, and the top of the sliding hole 4 is respectively equipped with a control part 6 and a hydraulic device 5 and steel ball 7, such as figure 1 Shown; the aperture of circular small hole 8 is less than the diameter of steel ball 7, and the quantity of circular small hole 8 is determined by the diameter of the lower shaft shoulder of the stirring head, to th...

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Abstract

The invention provides a stirring head for processing modification of a stirring friction surface of a surface layer of a metal material. The stirring head mainly comprises a lower shaft shoulder (1)and an upper shaft shoulder (2), wherein the lower shaft shoulder (1) and the upper shaft shoulder (2) are connected. The stirring head is characterized in that a cavity is formed inside the lower shaft shoulder (1), and small circular holes (8) are formed in the bottom of the lower shaft shoulder (1). The upper shaft shoulder (2) and a clamping handle (3) are integrated, a sliding hole (4) is formed inside the upper shaft shoulder (2), and a control component (6), a hydraulic device (5) and steel balls (7) are installed on the top of the sliding hole (4). The hole diameter of each small circular hole (8) is smaller than the diameter of the corresponding steel ball (7). By the adoption of the stirring head, the surface modification quality of the metal surface layer can be substantially improved, the modification efficiency is improved, and the modification cost is saved.

Description

technical field [0001] The invention relates to a surface modification technology, in particular to a technology for modifying the surface of metal materials by friction stirring, in particular to a stirring head for surface modification of metal materials by friction stirring. Background technique [0002] Metal materials will be more or less affected by poor surface properties during use. In order to improve the use performance of the metal surface layer, the present invention avoids the characteristics of traditional chemical modification and pollutes the environment, and adopts the method of green processing, that is, friction stir Surface modification technology is used to modify the metal surface layer. The most critical thing for friction stir surface modification is the stirring head. The traditionally manufactured stirring head has poor modification effect due to reasons such as structure and material. The present invention is based on this reason. Develop a compreh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/12
CPCB23K20/1255
Inventor 宋娓娓汪洪峰刘胜荣蒲家飞
Owner HUANGSHAN UNIV
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