Drill bit for numerical control lathe

The utility model discloses a drill bit for a numerical control lathe, and relates to the technical field of numerical control lathes. Comprising a machine body, an air cylinder is fixedly mounted on the outer wall of the machine body, a sliding plate is fixedly mounted on the bottom wall of the air cylinder, a mounting base is fixedly mounted on the bottom wall of the sliding plate, a drill bit is arranged at the bottom of the mounting base, a clamping groove is fixedly formed in the inner wall of the mounting base, and a push rod penetrates through the side wall of the mounting base; the drill bit comprises a drill bit body, the drill bit body is provided with a push rod, the outer wall of the push rod is sleeved with a limiting spring, the end of the push rod is fixedly connected with a push plate, a clamping block is fixedly installed on the outer wall of the drill bit body, and a fixing plate is fixedly installed on the inner wall of the drill bit body. And meanwhile, the inclined block moves out of the