Laser engraving machine

The utility model discloses a laser engraving machine which comprises a workbench, a stand column is fixedly connected to the top of the workbench, a cavity is formed in the front face of the stand column, a shell is arranged on the outer ring of the cavity, a laser device body is arranged in an inner cavity of the cavity, and a lens is arranged on the right side of the laser device body. Two sets of movable grooves are formed in the inner wall of the cavity, clamping blocks, springs and connecting rods are arranged in inner cavities of the movable grooves, and a connecting plate is arranged at the bottom of the cavity. According to the laser engraving machine, the connecting plate is matched with the connecting rod to pull the clamping block downwards to be separated from the clamping groove, so that the shell can be disassembled, during installation, the stabilizing plate is inserted into the stabilizing groove, the shell is moved backwards to be matched with the chamfer, when the clamping block moves downw