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Polishing device for internal spiral raceway of single or multiple lead screw nuts

A screw nut and polishing device technology, applied in the field of precision polishing equipment, can solve the problems of small pores and low processing efficiency of the grinding wheel, and achieve the effects of easy replacement operation, improved friction efficiency, and consistent removal efficiency

Active Publication Date: 2020-02-07
CIXING GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to ensure the surface quality after processing, the existing processing method is to use a fine-grained shaped grinding wheel for grinding; however, due to the small size of the grinding wheel and the small pores of the grinding wheel, the processing efficiency is very low in order to ensure that the processed surface does not burn

Method used

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  • Polishing device for internal spiral raceway of single or multiple lead screw nuts
  • Polishing device for internal spiral raceway of single or multiple lead screw nuts
  • Polishing device for internal spiral raceway of single or multiple lead screw nuts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Such as figure 1 and figure 2 As shown, a device for polishing the inner spiral raceway of a single screw nut includes: a cylindrical center rod 2, the outer diameter of the center rod 2 is consistent with the inner diameter of the screw nut 1, and the center rod 2 The axial length is greater than the axial length of the screw nut 1; the central rod 2 is arranged in the inner hole of the screw nut 1, so that part of the outer surface of the central rod 2 and the spiral raceway Form a polishing pipeline with openings at both ends; base 3, corresponding to the position of the grinding pipeline end, is provided with a second abrasive inlet and outlet for abrasives to enter and exit; top cover 4, corresponding to the position of the grinding pipeline end, is provided There is a first abrasive inlet and outlet for abrasives to enter and exit; a connecting mechanism connects and fixes the center rod 2, the screw nut 1, the base 3 and the top cover 4, so that the second abra...

Embodiment 2

[0074] Such as Figure 3-8 As shown, a device for simultaneously polishing the inner spiral raceway of multiple screw nuts includes: a central rod 20 is arranged in the inner hole of the screw nut 10, and the central rod 20 and the screw nut 10 are one One-to-one correspondence, so that part of the outer surface of the central rod 20 and the spiral raceway form a grinding pipe with only two ends open; the top cover 40 is sleeved on the top of a plurality of the central rods 20, the top The cover 40 is provided with a plurality of first abrasive inlets and outlets communicating with each of the grinding pipelines; the base 30 is located below the center rod 20, and the base 40 is provided with a plurality of first abrasives communicating with each of the grinding pipelines. The second abrasive import and export;

[0075] The top cover 40 , the central rod 20 , the screw nut 10 and the top cover are used to cooperate and connect to form an integral structure;

[0076] The vibr...

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Abstract

The invention relates to a polishing device for an internal spiral raceway of a single screw nut. The polishing device comprises a center rod, a lead screw nut to be polished, a top cover, a base, a connecting mechanism and a vibration device, wherein the lead screw nut to be polished is arranged on the central rod in a sleeving manner, and a grinding pipeline is formed between part of the outer surface of the central rod and the inner spiral raceway of the lead screw nut; the top cover is arranged on the top of the central rod in a sleeving manner and provided with a first grinding material inlet and a first grinding material outlet which communicate with the grinding pipeline, and the first grinding material inlet and the first grinding material outlet are used for grinding materials toenter and exit; the base is positioned below the central rod and is provided with a second grinding material inlet and a second grinding material outlet which communicate with the grinding pipeline; the connecting mechanism is used for connecting and fixing the central rod, the lead screw nut, the base and the top cover to form an integral structure; and the vibration device is connected with thebase and is used for carrying out high-frequency vibration on the integral structure, so that when grinding material flow flows through the grinding pipeline, the grinding material flow is fully rubbed with the spiral raceway in the lead screw nut.

Description

technical field [0001] The invention relates to the technical field of precision polishing equipment, in particular to a polishing device for an inner spiral raceway of a screw nut. Background technique [0002] Polishing is the only way to achieve ultra-precise size, ultra-accurate shape, and extremely low surface roughness on the surface of various solid materials, and it is also the best way to eliminate processing defects and damage of materials below the surface. Polishing has a wide range of applications and is capable of ultra-precision machining of various complex surfaces. Especially for the processing of complex surface parts of various difficult-to-machine materials used in the fields of optics and electronic information, the polishing process plays an irreplaceable role. [0003] The traditional polishing processing technology mostly adopts the low-speed processing method of loose grain abrasives, which has the disadvantages of low accuracy retention and low pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B1/04
CPCB24B1/04
Inventor 郭宗福赵坤徐林燕
Owner CIXING GROUP
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