Cold-rolled strip steel surface cleaning device

The utility model provides a cold-rolled strip steel surface cleaning device, and relates to the technical field of strip steel cleaning, the cold-rolled strip steel surface cleaning device comprises a workbench, an unwinding mechanism, a shot blasting mechanism, a cleaning mechanism, a drying mechanism and a winding mechanism, and the unwinding mechanism, the shot blasting mechanism, the cleaning mechanism, the drying mechanism and the winding mechanism are sequentially arranged and mounted on the workbench from left to right along a straight line; the inside of the shot blasting mechanism, the inside of the drying mechanism and the inside of the cleaning mechanism are communicated, a brush mechanism is arranged between the shot blasting mechanism and the unwinding mechanism, and the brush mechanism comprises a fixing frame, a lower rolling brush, an upper rolling brush, an adjusting assembly and a correcting assembly. The upper rolling brush and the lower rolling brush can be detached and replaced, the situ