Grooving machine capable of automatically adjusting groove depth

The utility model discloses a grooving machine capable of automatically adjusting groove depth, and relates to the technical field of color box packaging and processing, the grooving machine comprises a bearing base and a grooving assembly, the two sides of the bottom of the bearing base are provided with supporting column feet, the two sides of the upper end of the bearing base are provided with supporting plates, and the tops of the supporting plates are provided with transverse plates; and meanwhile, a workbench is installed in the middle of the interior of the supporting plate, a grooving assembly is arranged in the middle of the lower end of the transverse plate and comprises a limiting frame, a servo motor, a lead screw, a movable block, a bearing frame, a clamping groove, a clamping block, an installation block, a fixing piece and a grooving cutter, the servo motor is installed on the left side of the limiting frame, and the front end of the servo motor is connected with the lead screw. The outer side