Roll coating device for chromium-free fingerprint-resistant coating

The utility model relates to the technical field of coating roller coating, in particular to a chromium-free fingerprint-resistant coating roller coating device which comprises a base, a plurality of conveying rollers are rotatably connected in the base at equal intervals in the length direction of the base, the conveying rollers are in transmission connection through a conveying belt on the periphery of the conveying rollers, and vertical plates are symmetrically welded to the positions, located on the two sides of the conveying belt, of the top of the base. A roll coating roller is rotatably mounted between the vertical plates, a liquid outlet pipe is arranged in the roll coating roller, a plurality of liquid outlet holes are formed in the bottom of the liquid outlet pipe in a penetrating manner, a liquid storage tank is fixedly connected between the tops of the vertical plates, and a connecting pipe is fixedly communicated between the liquid storage tank and the liquid outlet pipe; a steel plate is conveye