A method for detecting parts
A detection method and parts technology, applied in the direction of measuring devices, instruments, optical devices, etc., can solve the problems of unsuitable sheet metal parts detection, missed detection and wrong detection, detection efficiency, low detection accuracy, etc., and achieve high detection accuracy, small error effect
Active Publication Date: 2019-04-02
LENXON TECH
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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 very easy to occur, which is mainly determined by the characteristics of sheet metal parts
Similarly, modern detection methods such as three-coordinate measuring machines are not suitable for the detection of sheet metal parts.
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[0049] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0050] figure 1 It is a schematic structural diagram of a detection system for realizing the part detection method of the present invention. like figure 1 As shown, the component 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 can be as figure 1 and figure 2 The worktop 110 shown in the top of the workbench can also be as image 3 The part holder 700 shown in. Parts can be placed on the workbench 110 or on the parts support 700, so that the part to be inspected faces the image acquisition device 200, and the part is imaged by the image acquisition device 200; the image processing device 300 and the The image acquisition device 200 is connected to receive the pictures transmitted by the...
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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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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