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Method and device for shooting images of inner and outer walls of circular-hole workpiece

A technology of image capture, inner and outer walls, applied in measuring devices, material analysis through optical means, instruments, etc., can solve the problems that need to be further improved, the detection results are affected by artificial factors, etc., and achieve the effect of improving detection efficiency

Inactive Publication Date: 2014-12-03
MINGTAI XINKE PRECISION INSTR TECH SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the present invention is: the detection result of the inner wall of the round hole workpiece in the prior art is affected by artificial factors, and needs to be further improved

Method used

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  • Method and device for shooting images of inner and outer walls of circular-hole workpiece
  • Method and device for shooting images of inner and outer walls of circular-hole workpiece

Examples

Experimental program
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Effect test

Embodiment 1

[0044] This embodiment provides a device for taking images of the inner and outer walls of a circular hole workpiece, and the structural schematic diagram of the device is as follows figure 1 As shown, it includes: inner wall camera 1, inner wall telecentric lens 2, inner wall light source 3, round hole workpiece 4, plane mirror 5, mirror sleeve 6, manual horizontal rotary table 7, manual XY sliding table 8, outer wall camera 9 , outer wall telecentric lens 10, outer wall light source 11, workpiece fixture 12, rotary motion platform 13, linear motion platform 14, motor support 15, visual system support 16, outer wall camera support 17, inner wall camera support 18 and processor 19.

[0045] In practical applications, the above-mentioned inner wall CCD camera 1 and outer wall CCD camera 9 may be CCD (Charge-coupled Device, charge-coupled device) cameras or digital cameras. The above-mentioned plane reflector 5 may be a plane reflector with an inclination, such as a 45-degree pl...

Embodiment 2

[0074] based on figure 1 As shown in the device for capturing images of the inner and outer walls of a circular hole workpiece, the processing flow of a method for capturing images of the inner and outer walls of a circular hole workpiece provided by this embodiment is as follows figure 2 As shown, the following processing steps are included:

[0075] Step S210 , installing the workpiece with the round hole on the rotary motion platform through the workpiece fixture, so that the axis line of the workpiece coincides with the axis line of the rotary motion platform.

[0076] Step S220, adjust the manual XY slide table so that the axis line of the 45-degree plane mirror is consistent with the axis line of the rotary motion platform; adjust the manual horizontal rotation table so that the direction of the reflection surface of the 45-degree plane mirror is in line with the direction of the CCD camera on the outer wall Consistent, that is, parallel to the axis of the circular hol...

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Abstract

The invention provides a method and a device for shooting images of the inner and outer walls of a circular-hole workpiece. The device mainly comprises a plane reflector, a linear motion platform, a rotary motion platform and an inner wall camera, wherein the plane reflector stretches into the circular-hole workpiece from the bottom of the circular-hole workpiece under the support of a sliding platform and reflects images of the inner wall of the circular-hole workpiece; the inner wall camera is mounted above the circular-hole workpiece, and an image forming surface of the inner wall camera is perpendicular to a reflection surface of the plane reflector; the circular-hole workpiece is driven to move to a starting height by the linear motion platform, is driven to rotate to a starting angle by the rotary motion platform and then is photographed so as to obtain the images of the inner wall of the circular-hole workpiece. By virtue of the device, the inner wall camera is capable of conveniently shooting the images of the parts at different heights of the inner wall of the circular-hole workpiece under the cooperation of the plane reflector, and the images of the inner wall are further stored and combined by a processor so as to obtain an integrated image of the inner wall of the circular-hole workpiece.

Description

technical field [0001] The invention relates to the technical field of workpiece surface detection, in particular to a method and device for taking images of the inner and outer walls of a circular hole workpiece. Background technique [0002] At present, functional parts with small shapes and sizes are being developed and applied more and more widely in the fields of automobile manufacturing, aerospace and other fields, and the surface quality of these microstructured parts is also put forward higher and higher requirements. Among them, there are more and more requirements for the quality inspection of the outer wall surface and the inner wall surface of the round hole workpiece, especially for some round hole workpieces with thinner tube walls, it is necessary to detect the quality of the inner wall and outer wall surface of the workpiece at the same time, so that Find problems such as penetration defects. [0003] It has always been a difficult point to detect the inner ...

Claims

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Application Information

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IPC IPC(8): G01N21/952G01N21/954
Inventor 陈欣毕磊李源
Owner MINGTAI XINKE PRECISION INSTR TECH SUZHOU
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