Fixing device for bearing production and machining

The utility model discloses a fixing device for bearing production and machining, relates to the technical field of bearing production and machining, and aims to solve the problem that an existing device cannot quickly fix a bearing, unload the bearing and clean chippings. According to the technical scheme, the dust removing and material returning device comprises a shell, a dust removing and material returning mechanism is installed in the shell and comprises a material returning air cylinder fixedly installed on the rear wall of the shell, a driving motor is fixedly installed at the output end of the material returning air cylinder, and a material returning plate is fixedly installed at the output end of the driving motor; an ash removal head is detachably and fixedly installed on the material returning plate, a guide plate located on the shell is fixedly installed below the driving motor, and a guide groove is formed in the guide plate. After the device is fixed and machined, the dust removing head can rem