Robot laser-electric arc hybrid heat source welding system with seam recognition function

The invention discloses a robot laser-electric arc hybrid heat source welding system with a seam recognition function. The system comprises an MIG welding gun, a miniature laser scanner, a laser device, a robot, a robot control cabinet, a welding gun water cooling device, a welding power source, a data acquisition card and a computer; the miniature laser scanner is integrated on the MIG welding gun, and the MIG welding gun and the laser device convey shielding gas through two pipes respectively and are connected with the welding gun water cooling device through two sets of pipes respectively; the output end of the miniature laser scanner is connected to the computer; the computer is connected to the input end of the data acquisition through a data cable, and the robot control cabinet is connected to the output end of the data acquisition card. According to the system, the laser device is matched with the MIG welding gun, so that an auxiliary heat source is added, the unfused condition of laser welding is impr