Equipment for spraying coating on outer wall of printing roller

The utility model discloses equipment for spraying a coating on the outer wall of a printing roller. The equipment comprises a mounting frame, a spraying assembly and a transmission assembly, the spraying assembly is arranged at the upper end of the mounting frame; the transmission assembly used for driving the printing roller to rotate is arranged at the lower end of the mounting frame. Accordingto the utility model, the coating treatment equipment is arranged, the heating piece heats the feed liquid, the rotating shaft, the stirring rod and the stirring paddle rotate, the heating and mixingof the feed liquid are accelerated, the spraying effect is ensured, and the stirring paddle scrapes off the coating adhered to the inner wall of the shell, so that the coating treatment equipment isprotected, and the waste of the feed liquid is avoided; the transmission assembly is arranged to drive the printing roller to rotate, the lead screw drives the discharging spray head to spray materials to the surface of the pri