Automobile rear axle reverse hole deburring device

The utility model discloses a deburring device for reverse holes of an automobile rear axle, which relates to the technical field of automobile rear axle processing and is used for solving the technical problem that burrs at the reverse holes of two end holes of the rear axle are difficult to clean, the deburring device for the reverse holes of the automobile rear axle comprises a support and two limiting mechanisms, the piston end of the longitudinal air cylinder is connected with the longitudinal sliding plate; the longitudinal sliding plate is provided with a first transverse air cylinder and a first transverse sliding way, and the piston end of the first transverse air cylinder is connected with the transverse sliding plate. The transverse sliding plate is connected with a second transverse air cylinder, and the second transverse air cylinder is in transmission connection with a grinding device. The position of the grinding mechanism can be flexibly adjusted in three dimensions, burrs at reverse holes can