Laser engraving machine for metal products

The utility model discloses a laser engraving machine for metal products, which belongs to the field of engraving machines and comprises a box body, a first motor is fixedly connected to the bottom of an inner cavity of the box body, a supporting plate is fixedly sleeved on an output shaft of the first motor, and a second motor is fixedly connected to the bottom of the supporting plate. A screw rod is fixedly connected to an output shaft of the second motor in a sleeving mode, a sliding block is movably connected to the outer portion of the screw rod in a sleeving mode, a positioning rod is movably connected to the inner portion of the sliding block in a sleeving mode, and a connecting plate is fixedly connected to the bottom of the sliding block; according to the laser engraving machine for the metal products, by arranging the controller, the signal receiving module, the signal processing module, the numerical value setting module and the circuit control module, automatic engraving can be better conducted on