Refrigerator control mainboard capacitor welding device

The invention relates to a refrigerator control mainboard capacitor welding device which comprises a base, a lifting air cylinder is connected between the base and a connecting plate, a bending module capable of bending capacitor pins is installed on the connecting plate, fixing plates are symmetrically installed at the left end and the right end of the base, and locking modules are installed in the middles of the fixing plates. A rotatable clamping module is arranged at the upper end of the fixing plate, and the clamping module and the locking module are matched so as to control position locking of the connecting plate. According to the invention, the problems that the pins of the capacitor are directly welded after being inserted into the mainboard, the pin parts and the mounting holes are not supported by any fixing structure, so that the pin parts are loosened after being inserted, and when a welding gun is matched with a tin wire for welding, the pin parts are possibly touched, and the welding quality is