Metal component welding platform

The utility model relates to the field of welding platforms, and discloses a metal component welding platform which comprises a supporting frame and a plurality of sliding frames, the top of the supporting frame is movably connected with a welding table, the size specification of the bottom end of the welding table is matched with the size specification of the top of the supporting frame, and a plurality of connecting holes are formed in the surface of the welding table; adjusting rods are slidably mounted on the inner walls of the sliding frames, the size specifications of the surfaces of the adjusting rods are matched with the size specifications of the inner walls of the sliding frames, fixing frames are welded to the bottom ends of the adjusting rods, the multiple sliding frames are divided into two sets, and the two sets of sliding frames are symmetrically distributed with the welding table as the axis. The sliding frame is installed on the surface of the welding table, the inner wall of the sliding fram