Electric vehicle controller mainboard capacitor welding equipment

The utility model relates to the technical field of electric vehicle controller machining equipment. The utility model relates to welding equipment, in particular to electric vehicle controller mainboard capacitor welding equipment. The welding device comprises a machining box and a welding box installed on the machining box. A conveying device is arranged at the upper end of the processing box; aplurality of welding fixing bases are arranged on the conveying device, main plate grooves are formed in the upper ends of the welding fixing bases, capacitor grooves are formed in the inner bottom walls of the main plate grooves, a feeding port and a discharging port are formed in the lower portions of the opposite side walls of the welding box, hydraulic rods are installed on the inner top wallof the welding box, and ultrasonic welding machines are installed at the lower ends of the hydraulic rods. The capacitor welding device overcomes the defects in the prior art, is reasonable in designand compact in structure,