Impression cylinder ink skin clearing device used in bill form printing machine cylinder insert

The utility model discloses an impression cylinder ink skin clearing device used in a bill form printing machine cylinder insert. The impression cylinder ink skin clearing device comprises end plates located on the two sides of a rack in parallel, an impression cylinder is installed on the end plates, air cylinders are rotationally connected to the rack, an end of a piston rod matched with each air cylinder is connected with one end of a connecting rod through a pin shaft, the connecting rods are installed on the end plates through rotating shafts, the other ends of the connecting rods are fixedly connected with scrapers, and the scrapers are matched with the impression cylinder. The two connecting rods are arranged and parallel to each other. According to the impression cylinder ink skin clearing device used in the bill form printing machine cylinder insert, ink skins accumulated on the surface of the impression cylinder can be cleared in time during operation of a printing machine, manual operation and halt handling are not needed, and the working efficiency of the printing machine and the operation efficiency of removing the ink skins are improved.