Through-hole welding fixture

The utility model discloses a through-hole welding fixture, and belongs to the field of integrated circuit welding. The through-hole welding fixture comprises a base, a welding plate and a cover plate, wherein the welding plate is movably connected to the base through a rotating shaft, one end of the cover plate is hinged to the welding plate through an adapting piece, and the other end of the cover plate is connected with the welding plate through a connection buckle. A plurality of supporting plates are arranged on the upper surface of the base, a deep groove for containing a PCB is formed in the welding plate, a plurality of small deep grooves and through grooves for containing components are formed in the deep groove, and a plurality of deep grooves for containing components are formed in the cover plate. By means of the through-hole welding fixture, a plurality of components can be welded at the same time, the depths of the deep grooves depend on the heights of the components, the components are located