Automatic welding device and welding method for turnover plowshare for agricultural machine

The invention discloses an automatic welding device and welding method for a turnover plowshare for an agricultural machine. According to the device, a tool clamp is arranged on an L-shaped two-axis servo position changing machine, a six-axis welding robot is arranged beside the L-shaped two-axis servo position changing machine, a water-cooling welding gun and an automatic wire feeding mechanism are arranged at the end of an arm of the six-axis welding robot, and a low-splashing pulse welding power supply is also arranged beside the L-shaped two-axis servo position changing machine. During welding, through coordination of the six-axis welding robot and the L-shaped two-axis servo position changing machine, splicing, clamp action, spot welding fixation, full welding and angle turnover of the turnover plowshare for the agricultural machine are achieved, the whole process is automatic, the consistency and stability of the welding quality of plowshare products are improved, the labor cost and the labor intensity