Paint spraying device for steel bar production

The utility model discloses a steel bar production paint spraying device which comprises an operation box, opposite side walls of the operation box are respectively provided with through holes, the inner wall of the operation box is respectively connected with two paint spraying boxes through supporting pieces, opposite side walls of the paint spraying boxes are respectively provided with inserting holes, paint spraying assemblies are connected in the paint spraying boxes, and the paint spraying assemblies are connected with paint supply assemblies. The paint supply assembly is fixedly connected to the outer wall of the operation box, a driving piece is fixedly connected to the inner wall, opposite to the paint spraying boxes, of the operation box, the driving piece is hinged to the supporting piece through a supporting rod, a turnover mechanism is arranged in the operation box, and the turnover mechanism is arranged between the two paint spraying boxes; according to the steel bar paint spraying device, steel