Welding line vision tracking system and method based on laser structural light

Abstract

The invention provides a welding line vision tracking system and method based on laser structural light. The welding line vision tracking system and method based on laser structural light comprises avision tracking module, a robot module, a welding gun module and a communication module; the vision tracking module comprises a CCD camera, a structural light laser device, an image collecting card and a controller for processing laser welding line images; the CCD camera and the structural light laser device in the vision tracking module are mounted on the robot module through a three-dimensionalmotion measuring system, the controller transmits data to the robot module and the welding gun module through the communication module, a coordinate identifying device is arranged in the robot moduleand is used for being determined as reference identifying points, and according to the method used by the system, a series of images are treated, and use of the welding gun is controlled. The weldingrobot can achieve real-time automatic deviation correcting in the welding process, welding line quality is improved, the application range of the welding robot is expanded, due to application of the welding line vision sensing tracking technology, quality and precision of the welding part can be improved, the product production period can be shortened, and production efficiency of products can beimproved.

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 ...

AI Technical Summary

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 problem of welding seam visual tracking in the field of welding automation intelligent sensing and control, and its technical scheme is as follows:

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