1results about How to "Automatic change" patented technology

The application relates to the technical field of hub polishing, and particularly discloses a hub production polishing device, which comprises a base and further comprises: a polishing cylinder arranged on the base and internally provided with abrasive; a lifting table arranged on one side of the base and capable of performing lifting movement; a positioning disc located above the polishing cylinder and connected with the lifting table and capable of lifting and rotating under the drive of the lifting table; and a positioning assembly arranged on the positioning disc and comprising a plurality of clamping blocks capable of moving close to or away from each other and used for clamping and positioning the hub; the hub production polishing device realizes a 'rotation and automatic reciprocating lifting' compound motion mode of the hub through a lifting mechanism, the contact between the hub and the abrasive is more sufficient and intense, the polishing process is accelerated, and under the cooperation of the limiting assembly and the rolling shaft structure capable of rolling in the clamping block, the hub can automatically and smoothly change the clamping position in the polishing process, and the polishing dead angle problem caused by the shielding of the traditional clamp is solved.