Steel structure painting mechanism

The utility model relates to the technical field of lacquering devices, in particular to a steel structure lacquering mechanism which comprises a containing barrel, a turnover mechanism and a paint spraying mechanism are installed in the containing barrel, the turnover mechanism is located above the paint spraying mechanism, and the turnover mechanism comprises a plurality of connecting rods rotationally connected to the inner wall of the top of the containing barrel; the first gear is coaxially fixed to the outer wall of the bottom of the connecting rod located in the middle position; the multiple second gears are coaxially fixed to the outer walls of the bottoms of the other several connecting rods correspondingly, and the multiple second gears are engaged with the first gear; according to the paint spraying device, the turnover mechanism is arranged, the turnover mechanism operates to drive a plurality of steel structures to rotate, so that paint can be evenly attached to the surfaces of the steel structur