Pressure plate device for engraving machine

The utility model relates to a pressure plate device for an engraving machine, which comprises a pressure plate. A plurality of support rods with lifting functions are arranged on the periphery of the pressure plate; the top parts of the support rods are fixedly provided with fixed rings; chutes corresponding to the support rods are arranged outside the fixed rings; screw holes are formed inside the chutes; the support rods are embedded in the chutes and are fixed by screws; each support rod comprises an upper rod, a middle connecting rod and a lower rod at the bottom end; an anti-falling cover is arranged at the joint of each lower rod and the corresponding middle connecting rod and outside the middle connecting rod; a drill bit through hole is formed in the middle of the pressure plate; and a plurality of universal wheels are arranged at the bottom of the pressure plate. According to the utility model, by using the pressure plate device with the universal wheels, the engraving machine is safer and more accu