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Quick positioning device for shape measuring instrument

A positioning device and measuring instrument technology, applied to measuring devices, instruments, etc., can solve problems such as low efficiency and limited clamping range, and achieve the effects of simplifying the operation process, improving work efficiency, and shortening the auxiliary operation time

Active Publication Date: 2017-10-03
XIAN FLIGHT SELF CONTROL INST OF AVIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The shape measuring instrument is a professional instrument for testing the coaxiality, roundness, runout, etc. of rotary workpieces. Before measuring the workpiece, the "six-jaw chuck" is often used to clamp the workpiece. The "six-jaw chuck" can only clamp cylinders. Benchmark, and the clamping range is limited, especially non-cylindrical workpieces such as squares and rhombuses cannot be clamped. Usually, auxiliary tools such as vises and pads are used for clamping, and manual centering is required, which is inefficient
This problem has always been a shortcoming in the measurement of shape measuring instruments

Method used

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  • Quick positioning device for shape measuring instrument
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  • Quick positioning device for shape measuring instrument

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Embodiment Construction

[0016] The rapid positioning device of the shape measuring instrument of the present invention is composed of a clamping mechanism, a self-centering mechanism and an auxiliary mechanism

[0017] (1) The auxiliary mechanism consists of an outer support 2, an inner support 4, a support block 6 and a steel ball 3. The outer support 2 is the carrier for other parts to be installed. There is a support installation hole in the center of the bottom surface of the outer support 2. The outer support There are four threaded holes at the bottom of the mounting hole of the seat 2, and there are 6 mounting holes at the center of the upper surface of the outer support 2, and there are two threaded holes at the bottom of the mounting hole of the support block 6, and the inner support 4. The mounting hole and the supporting block 6 are penetrated through a smaller circular hole. There are blind holes distributed evenly around the circumferential direction on the lower surface of the outer supp...

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Abstract

The present invention belongs to the product detection field and relates to a quick positioning device for a shape measuring instrument. A six-jaw chuck is commonly used to clamp a workpiece, the six-jaw chuck can only clamp a cylinder reference workpiece, and the clamping range of the six-jaw chuck is limited, the six-jaw chuck cannot clamp non-cylindrical workpieces such as cuboid workpieces and rhombus workpieces, and auxiliary tools such as jaw vices and cushion blocks are usually adopted to clamp the non-cylindrical workpieces, and manual centering is required, and efficiency is low. According to the quick positioning device for the shape measuring instrument, a supporting seat is mounted concentrically on the turntable of the shape measuring instrument; a horizontal through hole and a vertical through hole at a central position are formed in the supporting seat; the horizontal through hole is provided with a parallel surface in a horizontal direction; a slide channel is formed at the upper parallel surface of the horizontal through hole; and the middle of a bidirectional screw is provided with an annular projection. With the quick positioning device adopted, the problem of difficult clamping of workpieces in different specifications and non-cylinder reference workpieces before measurement can be solved, manual assembly and clamping adjustment before measurement are not required, the operation of detection is simplified, auxiliary operation time can be shortened, and working efficiency can be improved.

Description

technical field [0001] The invention belongs to the field of product detection, and in particular relates to a rapid positioning device for a shape measuring instrument. Background technique [0002] The shape measuring instrument is a professional instrument for testing the coaxiality, roundness, runout, etc. of rotary workpieces. Before measuring the workpiece, the "six-jaw chuck" is often used to clamp the workpiece. The "six-jaw chuck" can only clamp cylinders. Benchmark, and the clamping range is limited, especially non-cylindrical workpieces such as squares and rhombuses cannot be clamped. Usually, auxiliary tools such as vises and spacers are used for clamping, and manual centering is required, which is inefficient. This problem has always been a shortcoming in the measurement of shape measuring instruments. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a quick positioning device for a shape measuring i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/00
Inventor 刘阳森
Owner XIAN FLIGHT SELF CONTROL INST OF AVIC
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