Stamping device with protection function for whole automobile manufacturing and working method

The invention relates to the technical field of automobile manufacturing, in particular to a stamping device with a protection function for whole automobile manufacturing and a working method. The stamping device comprises a base, a protection frame is fixedly installed at the top of the base, a transverse plate is fixedly installed at the top of the protection frame, a hydraulic telescopic rod is fixedly installed at the bottom of the transverse plate, a pressing block is fixedly installed at the bottom of the hydraulic telescopic rod, the top of the base is fixedly provided with a supporting block, and the supporting block is correspondingly arranged below the pressing block. When the position of the pressing block just corresponds to the position of the supporting block, a conducting block can penetrate through a conducting ring at the moment, the conducting block and the conducting ring are not in contact at the moment, and a buzzer does not give an alarm. When the position of the pressing block and the p