Scraping tumbling mill for machining cylinder barrel

The utility model provides a scraping tumbling mill for processing a cylinder barrel, which comprises a bottom table, a fixing mechanism, a sliding rail, a tumbling mechanism, a supporting mechanism and a through hole, the fixing mechanism is arranged at one end of the bottom table through a bolt, the sliding rail is arranged on the surface of the bottom table through a bolt, and the tumbling mechanism is embedded in the sliding rail; the through hole is formed in the supporting mechanism, and the supporting mechanism is installed at the other end of the bottom table through a bolt. The fixingmechanism comprises a shell, a supporting block, a rotating motor, a rotating disc, a fixing disc, a fixing column, a fixing clamp, a fixing bolt and a rolling wheel, the supporting block is welded in the shell, and the rotating motor is embedded in the shell; the rotating disc is installed on a rotating shaft of the rotating motor through a bolt, and the fixed disc is installed on the surface ofthe rotating disc through