Automatic welding device

The utility model relates to the technical field of welding equipment, and particularly discloses an automatic welding device which comprises a supporting frame, a first spot welding mechanism arranged on one side of the upper end of a mounting table, a second spot welding mechanism arranged on the other side of the upper end of the mounting table, and a conveying mechanism arranged between a terminal arc extinguishing piece spot welding seat and a terminal silver point spot welding seat. A terminal conveying mechanism is further arranged at the upper end of the mounting table on one side of the terminal arc extinguishing sheet spot welding seat; a silver point conveying mechanism is arranged at the upper end of the mounting table on one side of the terminal silver point spot welding seat; according to the utility model, through the arrangement of the terminal, the arc extinguishing sheet and the silver spot welding device, the principle is simple, the automation degree is high, the participation of workers c