Coating melting device

The coating melting device is characterized by comprising a melting box, a heating assembly, a conveying paper tape, a front roller, a rear roller and a plurality of guide rollers, the melting box comprises a box body and a box cover, a melting cavity, an input hole and an output hole are formed in the box body, the box cover covers a cavity opening of the melting cavity in an opening and closing mode, and the heating assembly is arranged at the cavity bottom of the melting cavity. The front roller, the rear roller and the guide rollers are all horizontally arranged in the melting cavity, one end of the conveying paper tape penetrates into the melting cavity from the input hole and penetrates out of the output hole after being sequentially wound around the front roller, the rear roller and the guide rollers, and when the conveying paper tape passes through the position between the front roller and the rear roller, the conveying paper tape is conveyed out of the melting cavity. And the upper side edge and the