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Pneumatic type ball screw prestretching device

A ball screw and pre-stretching technology, which is applied to feeding devices, metal processing machinery parts, maintenance and safety accessories, etc.

Inactive Publication Date: 2018-09-28
CHONGQING HONGGANG CNC MACHINE TOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention intends to provide a pneumatic ball screw pre-tensioning device to solve the problem that the existing screw pre-tensioning device is cumbersome to adjust and easily causes the screw to be distorted and deformed

Method used

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  • Pneumatic type ball screw prestretching device
  • Pneumatic type ball screw prestretching device
  • Pneumatic type ball screw prestretching device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] The present invention will be described in further detail below by means of specific embodiments:

[0019] The reference signs in the drawings of the specification include: seat body 1, sleeve 2, adjusting bolt 3, bearing 4, compression sleeve 5, central gear 6, side gear 7, shift lever 8, exhaust duct 9, inner ring gear 10. Protrusion 11, first cylinder body 12, second cylinder body 13, top plate 14, extrusion plate 15, pressure one-way air inlet pipe 16, pressure one-way air outlet pipe 17, exhaust pipe 18, ball 19, lead screw 20, pendulum 21.

[0020] Example figure 1 Shown: Pneumatic ball screw pre-tensioning device, including mounting base, synchronous adjustment mechanism and pressure adjustment mechanism.

[0021] The mounting seat includes a cylindrical seat body 1, a sleeve 2 is sleeved inside the seat body 1, and an adjusting bolt 3 threaded with a thread is threaded between the sleeve 2 and the seat body 1. There are four adjusting bolts 3 in total. A bear...

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PUM

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Abstract

The invention relates to the field of mechanical machining and manufacturing, and discloses a pneumatic type ball screw prestretching device. The pneumatic type ball screw prestretching device comprises a cylindrical base body, a sleeve is sleeved with the base body, at least two adjusting bolts which are in thread fit are arranged between the sleeve and the base body in a penetrating manner, a bearing and an abutting sleeve are arranged in the sleeve, the bearing is located between the abutting sleeve and the sleeve, and abuts against the abutting sleeve and the sleeve, and the adjusting bolts are jointly connected with a synchronous adjusting mechanism. The problems that an existing screw prestretching device is tedious in adjusting, and screw distortion and deforming are prone to happening are solved.

Description

technical field [0001] The invention relates to the field of mechanical processing and manufacturing, in particular to a pneumatic ball screw pre-stretching device. Background technique [0002] When the ball screw is working, it is easy to heat and expand, thereby changing the screw pitch and affecting the transmission and positioning accuracy. In order to avoid such problems, the compensation principle is used to pre-stretch the lead screw, and the pitch of the lead screw is changed in advance through the stretching effect. When the lead screw undergoes thermal expansion, the expansion amount and the pre-stretch amount cancel each other out, and It can maintain the normal pitch of the lead screw, which is beneficial to the normal work of the lead screw. [0003] The existing lead screw pre-tensioning device includes a base body, a sleeve is sleeved in the base body, and an adjusting bolt with a thread fit is threaded between the sleeve and the base body. A bearing and a c...

Claims

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Application Information

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IPC IPC(8): B23Q11/00B23Q5/40
CPCB23Q11/00B23Q5/404
Inventor 汪传宏
Owner CHONGQING HONGGANG CNC MACHINE TOOL
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