Cutter head automatic cleaning device for gear shaft machining lathe

The utility model discloses an automatic cutterhead cleaning device for a gear shaft machining lathe, which comprises a lathe body, a cutterhead component and a dust collection hopper are arranged in the lathe body, an air exchange component is arranged on the inner wall of the dust collection hopper, a suction fan, a servo motor and a blowing fan are arranged in the air exchange component, and the blowing fan is movably connected with the servo motor through a transmission component. A plurality of first air blowing hoppers are arranged on the inner wall of the lathe body and located on one side of the dust suction hopper and communicated with the air exchange assembly, and a filtering assembly is arranged on the inner wall of the dust suction hopper and located on one side, away from the servo motor, of the air suction fan. The dust collection device can collect and clean chippings generated when the cutterhead assembly works, the influence of chipping accumulation on the work of the cutterhead assembly and