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a grinding tool

A tooling and grinding ring technology, which is applied in the field of mechanical processing, can solve the problems of uneven brush surface, reduced performance and service life of brushes, and failure to fit.

Active Publication Date: 2020-10-23
四川精通电气设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The brush is a material that is easy to wear during use, which makes the performance of the brush more demanding. The existing brush usually needs to be ground during the production process, and the existing grinding tool The surface of the ground brush is not smooth enough, and it cannot fit the shaft better when it is used again, which greatly reduces the performance and service life of the brush

Method used

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with accompanying drawing:

[0021] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention are clearly and completely described below. Apparently, the described embodiments are part of the embodiments of the present invention, not all of them. 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.

[0022] refer to figure 1 and figure 2 , the present invention provides a grinding tool, comprising a brush holder 1, a grinding shaft 2, a grinding ring 3, a brush 4 and a brush circuit board 5, the grinding shaft 2 passes through the brush holder 1 and is rotatably connected to the brush holder 1, so The grinding ring 3 is arranged on the grinding shaft 2 , the br...

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Abstract

The invention discloses a grinding tool. The grinding tool comprises a brush rack, a grinding shaft, a grinding ring, an electric brush and an electric brush circuit board, wherein the grinding shaftpenetrates through the brush rack and is rotatably connected with the brush rack, the grinding ring is arranged on the grinding shaft, the electric brush is arranged on the electric brush circuit board, and the electric brush is in contact with an outer surface of the grinding ring. In the grinding tool, the electric brush is arranged on the electric brush circuit board, a brush head of the electric brush is in direct contact with the grinding ring, the grinding ring is driven to grind the electric brush by the grinding shaft, so that the electric brush and the grinding ring can be perfectly matched, the uniform surface of the electric brush and consistent contact area are further ensured, the stability during application of the electric brush is ensured, the applicability of the electricbrush is improved, and the service lifetime of the electric brush is prolonged.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing, and in particular relates to a grinding tool. Background technique [0002] Brushes (also called carbon brushes), as a sliding contact, are widely used in many electrical equipment. Carbon brushes are mainly used in graphite, fat-impregnated graphite, and metal (copper, silver) graphite. A carbon brush is a device that transmits energy or signals between the fixed part and the rotating part of a motor or generator or other rotating machinery. It is generally made of pure carbon and a coagulant. A spring presses it tightly on the rotating shaft. When the motor rotates, electric energy is sent to the coil through the commutator. [0003] The brush is a material that is easy to wear during use, which makes the performance of the brush more demanding. The existing brush usually needs to be ground during the production process, and the existing grinding tool The surface of the ground ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R43/12
CPCH01R43/12
Inventor 梁仁虎
Owner 四川精通电气设备有限公司
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