Paint spraying system for cooling fin processing

The paint spraying system comprises a paint spraying groove, a paint spraying mechanism and a rotating mechanism, the paint spraying mechanism and the rotating mechanism are arranged in the paint spraying groove, the rotating mechanism comprises a rotating shaft and a screw roller in threaded connection with the rotating shaft, one end of the rotating shaft is fixedly connected to the side wall of an inner cavity of the paint spraying groove, and a plurality of fixing units are fixedly connected to the side face of the screw roller. A limiting unit is fixedly connected to one side of the screw roller, one end of the limiting unit is fixedly connected with the side wall of the paint spraying groove, a paint spraying mechanism is fixedly connected to the top face of the paint spraying groove, and the paint spraying mechanism and the screw roller are vertically aligned. According to the utility model, a plurality of radiating fins can be coated by a single paint coating groove, the coating efficiency is improved