Energy-saving and environment-friendly carton printing device

The invention discloses an energy-saving and environment-friendly carton printing device which comprises a base, a mounting frame is fixed to the base, a plurality of conveying rollers for conveying cartons are mounted in the mounting frame, four vertical rods slidably connected with the mounting frame are arranged on the mounting frame in a penetrating mode, and a moving plate is fixed to the bottoms of the four vertical rods; a fixing frame is installed at the bottom of the movable plate, a printing roller is installed on the fixing frame, a supporting plate is installed at the upper ends of the four vertical rods, a containing groove is formed in the upper end of the supporting plate, a mounting base is slidably connected into the containing groove, and a water tank is installed on the mounting base. According to the corrugated board printing device, the printing face of a corrugated board can be cleaned through the rotating cleaning brush, meanwhile, cleaned dust can be collected, water is injected into t