Color ring spraying device

The utility model discloses a color ring spraying device which comprises a first conveying roller way, a pipe body and flaw detection devices, a plurality of flaw detection devices are arranged outside the pipe body, bottom frames are installed on one sides of the flaw detection devices, paint inlet pipes are installed on the front portions and the rear portions of the upper ends of the two bottom frames respectively, and two connecting pipes are installed on the surfaces of the opposite faces of the paint inlet pipes respectively. Paint spraying rings are jointly installed between the front connecting pipe and the rear connecting pipe respectively, the pipe body is located at the upper end of the first conveying roller way and penetrates through the flaw detection device and the paint spraying rings respectively, a plurality of color ring nozzles are installed on the paint spraying rings, and sprayers are installed at one ends of the color ring nozzles. The two paint spraying rings are arranged, the two pain