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Thread offset measuring device

A measuring instrument and thread technology, applied in the field of thread offset measuring instrument, can solve problems such as difficult to control product quality, lack of reverser nut channel, etc., and achieve the effect of accurately measuring the degree of axial deviation

Pending Publication Date: 2017-07-21
LISHUI JIEXIANG TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Enterprises have long been lacking an instrument that can accurately measure the axial deviation of the reverser nut groove, so it is difficult to control product quality

Method used

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] Such as figure 1 As shown, it is a thread deviation measuring instrument, which is specially used to measure the deviation of the internal thread channel of the high-precision reverser nut in the nut axial direction. The thread deviation measuring instrument includes a chassis 11, a bearing mechanism, a measuring mechanism and a positioning mechanism. The chassis is horizontally provided with a left-right linear bearing guide rail 61, and two linear bearings 62 are arranged on the linear bearing guide rail. The mechanism and the measuring mechanism can move relative to each other.

[0024] Such as figure 2 As shown, the bearing mechanism is a bearing block 41, and the bearing block is provided with a V-shaped groove 42 with an upward opening along its own slidable direction, which can be adapted to be placed on the through groove for...

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Abstract

The invention discloses a thread offset measuring device. The device comprises a chassis, the chassis is provided with a bearing mechanism and a measuring mechanism, the chassis is provided with a slide mechanism, the bearing mechanism and the measuring mechanism can relatively slide on the slide mechanism in a horizontal manner, the chassis is also provided with a length measuring tool whose extension direction and the slide direction of the measuring mechanism are consistent, the measuring mechanism comprises a measuring rod capable of moving in a vertical manner, and the lower side of a free end of the measuring rod is connected with a probe; during primary measurement, a value is generated at the length measuring tool, a to-be-measured inverter nut is fixed to the bearing mechanism in the direction opposite to the axial direction, and a locating hole is upwardly arranged; and then the probe is employed to be contacted with a measuring point, a new value is generated at the length measuring tool, and half of the difference of the new value and the old value refers to an offset value of internal thread channels of the to-be-measured inverter nut in the axial direction. The beneficial effects of the device are that the axial offset degree of the inverter nut channels can be accurately measured.

Description

technical field [0001] The invention belongs to the field of measuring equipment, in particular to a thread deviation measuring instrument used for measuring the deviation degree of thread machining of a screw mandrel reverser. Background technique [0002] In high-end precision equipment, screw rods and reversers are often used. The inverter is used in conjunction with the screw to convert circular motion and linear motion into each other. The core part of the reverser is a reverser nut with a reverser hole through the side wall. When working, the balls in the internal thread channel of the reverser nut will slide out of the reverser hole. , fall into the next thread channel, and continue to circulate. Chinese patent document CN 201836324U disclosed "a new type of ball reverser" on May 18, 2011, which includes a conduit in which balls are placed, and is characterized in that: the ball reverser also includes a base, The base body is fixedly connected with the catheter. T...

Claims

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Application Information

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IPC IPC(8): G01B11/02
CPCG01B11/02
Inventor 黄祖祥沈宗杰
Owner LISHUI JIEXIANG TECH CO LTD
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