Nitrogen spring cylinder body polishing machine

The utility model relates to the field of nitrogen spring polishing, and discloses a nitrogen spring cylinder polishing machine which comprises a base, a vertical plate is fixedly connected to the top end of the base, a transverse frame is fixedly connected to the top end of the vertical plate, an outer wall polishing assembly is arranged on the side face of the vertical plate, and the outer wall polishing assembly comprises a first polishing roller and a second polishing roller. An inner wall polishing assembly is arranged on the side face of the transverse frame, a limiting element is fixedly installed on the bottom face of the transverse frame and comprises a limiting rotating wheel and a water storage pipe, and a plurality of water outlet holes are formed in the upper surface of the water storage pipe. The outer wall polishing assembly is arranged, a first polishing roller and a second polishing roller are used for driving the cylinder barrel to rotate to polish the outer wall of the cylinder barrel, the