Stamping device for automobile parts and using method of stamping device

The invention relates to the field of stamping devices, in particular to a stamping device for automobile parts and a using method of the stamping device. The device comprises a lower die, an upper die, a supporting frame, a clamping assembly, a two-way lead screw, a guide rod a and a mounting cover. The supporting frame is provided with a movement driving mechanism used for driving the upper die to move to the lower die in the vertical direction or move away from the lower die. The lower die is arranged on the mounting cover, and the supporting frame is arranged on the mounting cover; the bidirectional lead screw and the guide rod a are both horizontally arranged, the bidirectional lead screw is rotationally connected with the mounting cover, the guide rod a is connected with the mounting cover, the bidirectional lead screw is provided with a first thread part and a second thread part which are opposite in thread turning direction, and the first thread part and the second thread part are both in threaded con