An Improved Dual Vision System for Seam Guidance

摘要

High-speed fillet welding of container corrugated sheet requires high welding quality and welding speed, and visual monitoring technology has been introduced to achieve automatic welding. Aiming at the shortcomings of the photographing and the controlling on oblique stages of the welding seam, the existing dual vision system for seam monitoring was improved. The pose of the camera with respect to each stage of the welding seam can be fixed via adding a rotating mechanism so that the calculation of the offset between the molten pool and the welding seam can be simplified. The method of data fusion of the two vision systems was proposed to guide the movement of the welding torch simply and reliably. The simulation results show that this improved system can effectively make the welding torch move along the welding seam, and its performance meets the requirements of the welding accuracy and the welding speed.