Center measuring device

A measuring device and center positioning technology, which is applied in angle/taper measurement, workshop equipment, manufacturing tools, etc., can solve the problems of high influence on the technical level of line marking workers, low work efficiency, and long time consumption, so as to improve the center line marking. Line efficiency, improve center line marking accuracy, and solve the effect of marking accuracy

Inactive Publication Date: 2012-07-04
CRRC TAIYUAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Its disadvantages are: (1) low accuracy of scribing; (2) easy to cause damage to parts; (3) long time-consuming and low work efficiency; (4) greatly affected by the technical level of scribing workers

Method used

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Embodiment Construction

[0025] The center positioning block is used to automatically measure the center of rotary parts. figure 1 , figure 2 The type I center positioning block shown is suitable for hole parts, image 3 , Figure 4 The type II center positioning block shown is suitable for shaft parts. The center measuring device includes a type I center positioning block 1 and a type II center positioning block 3. Both the type I center positioning block 1 and the type II center positioning block 3 include a cone that can cooperate with the measured part, and the top of the cone is set concentrically with it. The top platform of the top platform, the center of the top platform is provided with a cross line, and the intersection point of the cross line is consistent with the center of the top platform. The cone is a platform with a tapered inner hole. The top platform of Type I central positioning block 1 is provided with an annular rib protruding relative to the cone.

[0026] The function of ...

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Abstract

The invention belongs to the technical field of mechanical manufacture measuring tools, and particularly relates to a center measuring device, which aims to improve center line scribing precision and efficiency and prevent parts from being damaged in a scribing process. The center measuring device comprises a center positioning block I and a center positioning block II, each of the center positioning block I and the center positioning block II consists of a conical body matching with a measured part, a top platform which is concentric with the conical body is arranged on the top of each conical body, a cross line is disposed in the center of each top platform, an intersection of each cross line is consistent with the center of the corresponding top platform, the conical body of the center positioning block I is a table with a conical outer wall, and the conical body of the center positioning block II is a table with a conical inner hole. The center measuring device has the advantages that center line scribing efficiency and center line scribing precision are improved, and the problem that scribing precision is affected due to the fact that the technical scribing levels of technicians are different is resolved.

Description

technical field [0001] The invention belongs to the technical field of mechanical manufacturing measuring instruments, and in particular relates to a central measuring device. Background technique [0002] In the process of mechanical manufacturing, it is often necessary to use the center of the rotary accessories as the marking reference to draw the processing line, proof line and alignment line on the surface of the blank or the processed workpiece. Scribing is the basis for processing. The drawn lines require accurate dimensions, clear lines, and the most important thing is to ensure accurate dimensions. At the same time, during the scribing process of non-ferrous metals and high-precision accessories, the accessories must not be damaged, which will affect the appearance quality and precision requirements. [0003] Rotary accessories are divided into two categories, one is shaft parts, and the other is hole parts; common shaft parts include round shafts and cones, et...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25H7/04G01B5/25
Inventor 张养亮
Owner CRRC TAIYUAN CO LTD
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