Brake drum machining center milling clamp

The utility model relates to the technical field of brake drum machining, in particular to a brake drum machining center milling clamp which comprises a base and an installation assembly. The mounting assembly comprises an adjusting block, an adjusting guide rail, an inner fixing block, a pressing claw, a connecting piece, a connecting block, a driving component and a moving component, the adjusting guide rail is fixedly mounted on one side of the base, the adjusting block is slidably mounted on the side, away from the base, of the adjusting guide rail, and the moving component is arranged on the adjusting guide rail and connected with the adjusting block; the inner fixing block is fixedly installed on the side, away from the adjusting guide rail, of the adjusting block, the driving component is arranged on the adjusting block, the connecting block is connected with the driving component, the connecting piece is rotationally installed on one side of the connecting block, and the pressing claw is connected wit