Self-cooling type steel polishing machine device and method

The invention discloses a self-cooling type steel polishing machine device and method, and relates to the technical field of metal polishing. A peripheral fixing frame is provided with a photoelectric distance sensing module used for sensing and detecting the moving distance of a lining frame, the periphery of the lining frame is provided with a set of tension springs elastically supporting the lining frame, the lining frame is fixedly provided with a magnetic suction cup, and the peripheral fixing frame is provided with an electromagnetic mechanism matched with the magnetic suction cup in a magnetic suction mode. A plurality of clean water nozzles are arranged at the position of a back plate on the inner side of the lining frame, a plurality of polishing solution nozzles which are obliquely arranged outwards are arranged on the other side wall face of the lining frame, a plurality of oblique air knife pipes which are obliquely arranged downwards are arranged at the position of the back plate on the inner sid