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Device for measuring contour of mechanical part

A technology for measuring mechanical parts and contours, applied to measuring devices, optical devices, instruments, etc., can solve problems such as large equipment errors, achieve the effects of eliminating measurement errors, clear detection and correction, and improving processing efficiency

Pending Publication Date: 2019-12-24
CHANGCHUN UNIV OF SCI & TECH
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to provide a device for measuring the profile of mechanical parts, which solves the problem of large errors in existing equipment

Method used

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  • Device for measuring contour of mechanical part
  • Device for measuring contour of mechanical part
  • Device for measuring contour of mechanical part

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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0050] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0051] figure 1 It is a structural diagram of a mechanical component profile measuring device according to an embodiment of the present invention; figure 2 It is an optical path diagram of the mechanical compone...

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Abstract

The invention discloses a device for measuring the contour of a mechanical part, and relates to the technical field of industrial measurement. The device comprises an object space telecentric system and an image space telecentric system; the object space telecentric system is a front fixed group, and image space telecentric system comprises a zoom group, a compensation group and a rear fixed group. The device keeps the magnification of an object image space unchanged within a unit working distance by moving the zoom group and the compensation group and simultaneously linking the two groups. The object space telecentric system can eliminate errors caused by inaccurate focusing of the object space, and the image space telecentric system can eliminate measurement errors caused by inaccurate focusing of the image space. The image space telecentric effect is combined with the irradiation of a backlight source, so that the contour images of the parts with different sizes (30-90mm) processedon line can be collected into a computer in real time through an image system and compared with a processing drawing, the detection and correction of the surface contour of the product can be visuallyand clearly completed, the processing efficiency of workers is comprehensively improved, and the measurement precision is ensured.

Description

technical field [0001] The invention relates to the technical field of industrial measurement, in particular to a profile measuring device for mechanical parts. Background technique [0002] There are many domestic tool and gear processing enterprises, and profilers are widely used in production and processing. The traditional profiler mainly uses projection lens imaging to observe, and the sensitivity of the detection instrument is not high. For different sizes of shafts, gears, tools, splines, gaskets and other parts, each profiler is equipped with a lens with a fixed magnification lens, and limited by the field of view, the magnification is not fixed at different object distances, and the comparison error is large. Therefore, the existing equipment has the problem of relatively large errors. Contents of the invention [0003] The purpose of the present invention is to provide a profile measuring device for mechanical parts, which solves the problem of large errors in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/24
CPCG01B11/24
Inventor 李琦向阳董萌张合闫帅
Owner CHANGCHUN UNIV OF SCI & TECH
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