Stamping device for case metal plate

The invention relates to the technical field of wedge mechanisms on stamping equipment, and discloses a case metal plate stamping device which comprises a fixed sliding frame and an upper pressing module, the top end of the fixed sliding frame is movably connected with a wedge abutting block through a sliding rail, and one side of the wedge abutting block is fixedly provided with a transmission roller with the surface making contact with the inclined face of the upper pressing module. A limiting abutting rod is movably connected into one side of the upper pressing module, a linkage sleeve is fixedly installed on one side of the top end of the fixed sliding frame, and a reset spring is movably connected to one side of the outer surface of the piston connecting rod and located in the linkage sleeve in a sleeving mode. According to the stamping device for the case metal plate, the linkage sleeve, the piston connecting rod and the opening and closing mechanism are arranged, the pressure applied to the bevel edge