A welding seam tracking system and method for argon arc welding
A tracking system, argon arc welding technology, applied in arc welding equipment, welding equipment, manufacturing tools, etc., can solve the problems of complex image processing, slow calculation speed, complex algorithm, etc., achieve low cost, reduce requirements, high precision tracking Effect
Active Publication Date: 2022-05-10
HUBEI UNIV OF ARTS & SCI +1
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Problems solved by technology
The image processing algorithm and the algorithm for calculating the deviation in this patent are relatively complex and the calculation speed is slow, and it uses a laser vision sensor to collect weld images, which is costly and more complicated for image processing
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[0045]The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0046] Such as figure 1 As shown, this embodiment provides a seam tracking system for argon arc welding, including a control system 1 and a welding robot 2 electrically connected to the control system 1, a visual sensor system 3, and a welding power source 4; the welding robot 2. Vision sensing system 3. Welding power source 4 interacts data with control system 1 through TCP / IP protocol;
[0047] The control system 1 includes an image processing module, a welding torch path setting m...
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The invention discloses a welding seam tracking system and method for argon arc welding, including a control system, a welding robot electrically connected to the control system, a visual sensing system, and a welding power source; the control system includes an image processing module, a welding torch path Setting module, welding torch attitude adjustment module and welding expert module; the welding torch path setting module is used to set the welding torch path according to the input welding conditions, and set welding parameters through the welding expert module; the visual sensing system is used to obtain Weld seam image information; the image processing module is used to perform image processing on the weld seam image information, extract the weld seam boundary, and calculate the deviation value between the molten pool center point and the weld seam center line according to the boundary fitting function; the The welding torch posture adjustment module adjusts the welding torch posture according to the deviation value, so that the welding torch is always aligned with the center line of the welding seam, thereby improving the accuracy of automatic welding.
Description
technical field [0001] The invention belongs to the field of welding technology, in particular to a welding seam tracking system and method for argon arc welding. Background technique [0002] Welding is an important processing technology in the manufacturing industry, which has many characteristics such as harsh working conditions, heavy workload and high quality requirements. Arc welding and laser welding are relatively common welding processes in the welding industry. It is an important means of welding automation to realize automatic welding control with arc and laser beam as the controlled object. Among them, accurate seam tracking is the premise to ensure the welding quality, that is, the laser beam or arc must be controlled throughout the welding process so that it is always aligned with the seam, otherwise it will cause scrap. [0003] In the traditional welding environment, welding work has problems such as high labor intensity, unstable welding quality and low wel...
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IPC IPC(8): B23K9/127B23K9/16
CPCB23K9/127B23K9/16
Inventor 刘德政李炎王中任罗静王乙坤吴华伟
Owner HUBEI UNIV OF ARTS & SCI