Special clamp for copper-aluminum pipe welding electrode

The utility model provides a copper aluminum pipe welding electrode special fixture, including copper aluminum pipe welding fixture and protection mechanism, wherein the protection mechanism includes first card slot, sponge plate, spacing groove, second card slot and sponge block, the upper surface of copper aluminum pipe welding fixture is fixedly connected with the splint, the inside surface of splint is provided with the protection mechanism, and the sponge block is provided with the spacing groove. A limiting mechanism is arranged on the surface of one side of each clamping plate. First clamping grooves are formed in the surfaces of the inner sides of the clamping plates, sponge plates are slidably connected into the first clamping grooves, limiting grooves are formed in the sponge plates, the limiting grooves are used for placing copper and aluminum pipes and welding the copper and aluminum pipes, second clamping grooves are formed in the surface of the inner side of the second clamping plate, and sponge