Polishing device for piston rod of oil cylinder

The utility model discloses an oil cylinder piston rod polishing device which comprises a mounting base, a mounting frame is fixedly connected to the top of the mounting base, adjusting boxes are connected to the two sides of the inner wall of the mounting frame in a sliding mode, adjusting rods are rotationally connected to the tops of the adjusting boxes, and the top ends of the adjusting rods penetrate through the mounting frame and extend out of the mounting frame. The adjusting rod is in threaded connection with the mounting frame, a driving mechanism is arranged on the side wall of the mounting frame, a movable box is slidably connected to the top of the inner wall of the adjusting box, and a first motor is fixedly connected to the top of the inner wall of the movable box. According to the oil cylinder piston rod polishing device, through the arrangement of the linkage assembly, the first motor can drive the polishing wheel to move while driving the polishing wheel to rotate so as to polish the piston r