Spinning polishing device for bottom of high-pressure gas cylinder

The utility model discloses a spinning polishing device for the bottom of a high-pressure gas cylinder, which comprises an L-shaped fixing seat, a motor is arranged on one side of the L-shaped fixing seat, a turntable is fixedly mounted at the output end of the motor, a rotating cylinder is fixedly mounted on one side, far away from the motor, of the turntable, a plurality of through holes are formed in the outer side of the rotating cylinder, and the rotating cylinder is fixedly mounted on the rotating cylinder. A plurality of clamping structures used for fixing the high-pressure gas cylinder are installed on the rotating cylinder, an L-shaped rotating plate is movably installed on the surface of the L-shaped fixing base, an L-shaped rotating plate is arranged on the surface of the L-shaped rotating plate, a groove is formed in the surface of the L-shaped fixing base, and a control structure used for controlling the L-shaped rotating plate to rotate is arranged in the groove. And an angle-adjustable grinding