Polyimide film surface impurity removal equipment and impurity removal method thereof

The invention provides polyimide film surface impurity removal equipment and an impurity removal method thereof, and relates to the field of film surface cleaning.The polyimide film surface impurity removal equipment comprises a supporting plate, a roller, a rotating mechanism and a cleaning mechanism are sequentially installed on the supporting plate in parallel, and the roller is a driving part for driving the rotating mechanism to rotate; the rotating mechanism comprises a stirring assembly and a driving shaft part in transmission connection with the roller, the driving shaft part is rotationally installed at the supporting plate, the stirring assembly is arranged at the driving shaft part in a sleeving mode, and the stirring assembly is in clearance contact with the cleaning mechanism under driving of the driving shaft part; the cleaning mechanism comprises a limiting rod and a bouncing assembly in sliding fit with the limiting rod, the limiting rod is installed at the supporting plate, a scraping head in