Automobile bottom guard plate shearing device

The utility model discloses a shearing device for an automobile bottom guard plate. Bottom plate, a top plate is fixedly mounted at the top of the baseplate; a hydraulic machine is fixedly mounted onthe top wall of the top plate; piston rods are fixedly mounted at the output ends of the hydraulic machines; the bottom end of the piston rod penetrates through the top plate and extends to the lowerside of the top plate, a fixing plate is fixedly installed at the bottom end of the piston rod, shearing equipment is detachably installed at the bottom end of the fixing plate and comprises an installation plate, a plurality of cutters are evenly installed on the bottom wall of the installation plate, and a containing plate is detachably placed on the top wall of the bottom plate. According to the utility model, the bottom protection plate is placed in the placing groove; the hydraulic machine is started to drive the piston rod, the fixing plate, the mounting plate and the cutter to move downwards to cut the bottom pr