Valve push rod cleaning and polishing device and method thereof

The invention relates to the technical field of grinding devices, and discloses a valve push rod cleaning and grinding device and method. The valve push rod cleaning and grinding device comprises a workbench, the upper surface of the workbench is fixedly connected with a fixing plate, the left side face of the fixing plate is fixedly connected with a valve seat, the output end of the valve seat is fixedly connected with a pneumatic push rod, and the pneumatic push rod is connected with the fixing plate in a penetrating mode; the output end of the pneumatic push rod is fixedly connected with a supporting buckle seat, an embedding groove is formed in the right side face of the supporting buckle seat, a clamping ring groove is formed in the supporting buckle seat and communicates with the embedding groove, and the side surface of the supporting buckle seat is movably connected with a supporting shaft rod through a bearing. The end, away from the supporting buckle seat, of the supporting shaft rod is movably conn