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Gap removal mechanism for pinion-and-rack transmission system

A transmission system, rack and pinion technology, applied to components with teeth, belts/chains/gears, mechanical equipment, etc., can solve the problems of adjustment, troublesome operation, unsatisfactory effect, complex structure, etc., and achieve simple adjustment, Improving the transmission accuracy of machine tools and the effect of compact structure

Inactive Publication Date: 2012-06-13
WUHU HENGSHENG HEAVY MACHINE TOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, the effect of eliminating gaps is not ideal, some structures are complex and too large; some adjustments and operations are troublesome

Method used

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  • Gap removal mechanism for pinion-and-rack transmission system
  • Gap removal mechanism for pinion-and-rack transmission system
  • Gap removal mechanism for pinion-and-rack transmission system

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Embodiment Construction

[0014] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, through the description of the embodiments, to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present invention.

[0015] like figure 1 , figure 2 The expressed structure of the present invention is a backlash elimination mechanism of a rack and pinion transmission system. The rack and pinion transmission system is provided with a box body 26 and a box cover 25. The rack and pinion transmission system includes an input gear. 15. The output pinion and rack 28 meshing with each other, the input pinion 15 is mounted on the input shaft 12 .

[0016] In order to solve the problems existing in the known technology described in the background technology part of this specification and overcome its defects, and realize the purpose of the invent...

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Abstract

The invention discloses a gap removal mechanism for a pinion-and-rack transmission system, which includes two output gear shafts (5 and 22), wherein an input gear (15) is connected with the output gear shafts (5 and 22) respectively through two gear transmission lines with the same transmission ratio; each gear transmission line is provided with one transmission gear (14) on the input shaft (12), and the transmission gears (14) are helical gears; the input shaft (12) is installed on a box body (26) and a box cover (25) through two radial bearings; and an input shaft axial slide micro-adjustment mechanism is arranged at one end of the input shaft (12). Through adopting the technical scheme, the gap removal mechanism solves the problem of reverse clearance of a machine tool during the pinion-and-rack transmission, is simple to adjust, has a compact structure, and improves the transmission precision of the machine tool.

Description

technical field [0001] The invention belongs to the technical field of metal cutting machine tools, and relates to a transmission system of a machine tool. More specifically, the invention relates to a backlash elimination mechanism of a rack and pinion transmission system. Background technique [0002] In the feed transmission of machine tools, rack and pinion transmission is commonly used, and there is backlash during reverse movement. In order to eliminate the gap, many ways are used. However, in the prior art, the effect of eliminating the gap is not ideal, some structures are complicated and too large, and some are troublesome to adjust and operate. SUMMARY OF THE INVENTION [0003] The present invention provides a backlash elimination mechanism of a rack and pinion transmission system, the purpose of which is to eliminate the backlash of the rack and pinion transmission. [0004] In order to achieve the above object, the technical scheme adopted in the present inve...

Claims

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Application Information

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IPC IPC(8): F16H55/18F16H55/28
Inventor 胡子俊林祖建杨荷妹潘康健
Owner WUHU HENGSHENG HEAVY MACHINE TOOL