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Universal grinding device for coal chemical valve trims for ordinary lathes

A common lathe and universal grinding technology, applied in the direction of grinding/polishing equipment, grinding machines, manufacturing tools, etc., can solve problems such as inability to process, and achieve the effect of satisfactory processing size accuracy

Active Publication Date: 2016-08-10
WUZHONG INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After surface treatment, it is impossible to use cutting tools to cut the valve trim, and the surface roughness of the sealing surface is about 0.8. The processing of valve trim becomes the bottleneck of mechanical processing

Method used

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  • Universal grinding device for coal chemical valve trims for ordinary lathes
  • Universal grinding device for coal chemical valve trims for ordinary lathes

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Embodiment Construction

[0012] like figure 1 , 2 As shown, the present invention is a universal grinding device for coal chemical industry valve trims special for ordinary lathes, including a pneumatic grinder 3 and a base 4, on which an upper bracket 1 and a lower bracket 2 are respectively installed. The pneumatic grinder 3 passes through the middle of the upper bracket 1 and the lower bracket 2 and is clamped. Wherein between the upper support 1 and the pneumatic grinder 3, between the lower support 2 and the pneumatic grinder 3, anti-vibration pads 6 are installed, and the anti-vibration pads 6 specifically adopt rubber pads.

[0013] Wherein the upper bracket 1 is composed of two U-shaped components, and the two U-shaped components are connected by fasteners; and the lower bracket 2 is also composed of two U-shaped components, and the two U-shaped components are also connected Connected by fasteners, such as bolts.

[0014] Wherein the base 4 is also connected with a clamping plate 5, specifi...

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Abstract

The invention relates to a universal grinding device used for processing valve internal parts in the coal chemical industry and specially used on an engine lathe. The universal grinding device comprises a pneumatic grinder (3), and is characterized by further comprising a base (4); an upper bracket (1) and a lower bracket (2) are respectively mounted on the base (4); the pneumatic grinder (3) passes through the space between the upper bracket (1) and the lower bracket (2) and are clamped by the upper bracket (1) and the lower bracket (2). Proved by trails, the universal grinding device provided by the invention can solve the machining problem of high-hardness valve internal parts, can be mounted on the engine lathe to perform grinding operation to the planes, top circles, inner holes, taper holes and conical surfaces of the high-hardness valve internal parts, and enables the surface roughness of the grinded valve internal parts to be higher than 0.8 while the finishing size precision of the valve internal parts can meet technical requirements.

Description

technical field [0001] The invention relates to a universal grinding device for internal parts of coal chemical industry valves specially used for ordinary lathes. Background technique [0002] As more and more types and quantities of control valves are used in the field of coal chemical industry, the trims of control valves (sometimes including valve body flow channels) must have relatively high hardness and wear resistance. For example, the method of spray welding and spray coating on the base material can make the surface hardness reach about HRC72. After surface treatment, it is impossible to use cutting tools to cut the valve trim, and the surface roughness of the sealing surface is about 0.8. The processing of valve trim has become the bottleneck of mechanical processing. Contents of the invention [0003] The purpose of the present invention is to provide a universal grinding device for coal chemical valve trims specially used for ordinary lathes, which can cooper...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B25/00
Inventor 马玉山高强范学东周永兴季兆昌
Owner WUZHONG INSTR
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