Polishing device for automobile hub bearing machining

The utility model discloses a polishing device for machining an automobile hub bearing, which comprises a workbench, a manipulator is mounted on one side of the workbench, a polishing sheet is mounted at the end of the manipulator, a clamping mechanism for fixing the hub bearing is mounted inside the other side of the workbench, and the polishing sheet is mounted on the other side of the workbench. The top surface of the other side of the workbench is provided with a blocking mechanism for isolating chippings, one corner of the workbench is provided with a motor, and one side of the middle of the top surface of the workbench is provided with a sweeping mechanism for sweeping the chippings. The grinding device has the advantages that grinding chippings are isolated and easy to clean, workers are protected, follow-up cleaning of a construction site is facilitated, and the problems that chippings generated in the grinding process of an existing grinding device splash everywhere, certain harm is possibly generate