Glass roller edge coating device

The utility model relates to the technical field of glass roller printing and ink coating, and discloses a glass roller edge coating device which comprises a shell, the shell is provided with a shell cavity, a top opening is formed in the top of the shell, a lateral opening is formed in the side portion of the shell, a tank base is arranged on the upper portion of a roller support, supporting legs are arranged on the lower portion of the roller support, and a sponge roller is installed on the supporting legs in a pivoted mode. The upper portion of the tank seat extends out of the top opening to form a screw end, an inverted ink tank is connected to the screw end in a threaded mode, an ink outlet hole is formed in the bottom wall of a seat cavity of the tank seat, the roller support is installed and connected to the side wall of the side portion of the top opening, and L-shaped blocking walls are arranged on the two sides of the lower portion of the lateral opening of the shell and composed of lateral blocking