Welding seam visual tracking system based on laser structured light and method

A technology of visual tracking and laser structure, applied in welding equipment, arc welding equipment, manufacturing tools, etc., to shorten the production cycle, avoid damage, and improve the quality of welds

Pending Publication Date: 2019-04-12
HUAIAN COLLEGE OF INFORMATION TECH
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  • Application Information

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Problems solved by technology

[0016] The present invention provides a welding seam visual tracking system and method based on laser structured light, which solves the pr...

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  • Welding seam visual tracking system based on laser structured light and method
  • Welding seam visual tracking system based on laser structured light and method
  • Welding seam visual tracking system based on laser structured light and method

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Embodiment Construction

[0046] In the present invention, through mechanical fixture design, camera selection, weld seam tracker structure design, and in-depth research on the interference filtering algorithm of visual images, the theoretical basis of image reconstruction of variable base surface is analyzed, and the weld seam space is achieved through the algorithm design of plane and space. The purpose of feature reconstruction: Utilize the experimental platform constituted by the present invention to design welding seam recognition experiments in various complex situations, and further improve the designed algorithm, so that the welding seam recognition can reach the practical stage.

[0047] In the process of robot welding, in order to ensure that the welding torch can be above the center of the weld seam in real time, such as figure 1 , figure 2 and image 3 As shown, the welding seam visual tracking system based on laser structured light includes a visual tracking module 2 , a robot module 1 ,...

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Abstract

The invention provides a welding seam visual tracking system based on laser structured light. The system comprises a visual tracking module, a robot module, a welding gun module and a communication module, wherein the visual tracking module comprises a CCD camera, a structured light laser device, an image acquisition card and a controller for processing the laser weld image; the CCD camera and thestructured light laser device in the visual tracking module are installed on the robot module through a three-dimensional motion measuring system, the controller is used for performing data transmitting to the robot module and the welding gun module through the communication module; and a coordinate identification device is arranged in the robot module and used for determining the identificationpoint serving as a reference, the method used by the system controls the use of a welding gun through a series of image processing. According to the system and the method, automatic correct deviationof the welding robot in real time in the welding process can be realized, the quality of the welding seam is improved, the application range of the welding robot is expanded, the application of the welding seam visual sensing tracking technology can improve the quality and precision of a welding part, the production cycle of products is shortened, and the production efficiency of the product is improved.

Description

technical field [0001] The invention relates to a visual sensing device, in particular to a welding seam visual tracking system and method based on laser structured light. Background technique [0002] At present, the development overview and latest development trend of scientific and technological innovation in this project field at home and abroad: [0003] After continuous research and practice by many researchers, visual sensing technology has developed rapidly. The construction of the laser visual seam tracking system includes the design of the visual seam tracking sensor, the processing of the collected seam images, the communication between the computer and the robot, and the design of the control system. Many research institutions and scholars at home and abroad have done a lot of work on these aspects of research. [0004] (1) Domestic research status [0005] In 2005, Li Yuan and other scholars from the Chinese Academy of Sciences designed a visual sensor based ...

Claims

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Application Information

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IPC IPC(8): B23K9/127
CPCB23K9/1274
Inventor 李明金吴晶华黄银花刘业亮
Owner HUAIAN COLLEGE OF INFORMATION TECH
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