Part detecting method

A detection method and part technology, applied in measuring devices, instruments, optical devices, etc., can solve the problems of unsuitable sheet metal parts detection, missed detection and wrong detection, detection efficiency, and detection accuracy.

Active Publication Date: 2014-04-30
LENXON TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional detection methods of sheet metal parts include vernier caliper, tape measure, etc., but the detection efficiency and detection accuracy are very low, and the phenomenon of missed detection and wrong detection is

Method used

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[0049] The present invention will be further described below in conjunction with the drawings and specific implementations.

[0050] figure 1 A schematic structural diagram of a detection system for realizing the part detection method of the present invention. Such as figure 1 As shown, the part inspection system includes a workbench 100, an image acquisition device 200, and an image processing device 300. Wherein, the workbench has a support for carrying the part 500 to be tested; the support may be such as figure 1 with figure 2 The working table 110 on the top of the working table shown in image 3 Parts holder 700 shown in. The part can be placed on the worktable 110 or on the part holder 700, so that the part to be inspected faces the image acquisition device 200, and the image acquisition device 200 images the part; the image processing device 300 and the The image acquisition device 200 is connected to receive the picture transmitted by the image acquisition device 20...

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Abstract

The invention provides a part detecting method. The part detecting method comprises the step of obtaining an image of one part, the step of obtaining a shape model of the part, the step of determining the shape of the part according to the obtained image and the shape model and the step of comparing the determined shape with a prestored electronic drawing of the part to determine whether the part is matched with the electronic drawing or not. By means of the part detecting method, each part can be detected on line and in real time one by one so that each part can meet the requirement of the electronic drawing, labor cost is reduced, working efficiency is improved, the defect ratio of the parts is reduced, and the part detecting method plays a significant role in modern assembly line production.

Description

technical field [0001] The invention relates to the detection field of parts such as sheet metal parts, in particular to a method for detecting the two-dimensional plane and cross-sectional shape of a part by using imaging technology. Background technique [0002] Sheet metal is a comprehensive processing technology for thin metal plates. Its distinctive feature is that the thickness of the same part is exactly the same in all parts. Because sheet metal has the characteristics of light weight, high strength, low cost, flexible process, and suitable for mass production, it has been widely used in many aspects of the industrial field, such as communications, transportation, electric power, elevators, agricultural equipment, Construction machinery, household appliances, etc. [0003] A typical sheet metal part includes several processes such as blanking, bending, and welding. The "sheet metal part" mentioned in the present invention specifically refers to a two-dimensional pl...

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Application Information

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IPC IPC(8): G01B11/00G01B11/24
Inventor 李向辉其他发明人请求不公开姓名
Owner LENXON TECH
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