Three-roller die cutting mechanism

The utility model relates to a three-roller die cutting mechanism. Improving work stability, in order to achieve the purpose, the utility model provides the technical scheme as follows: the technicalscheme is as follows; the utility model discloses a die cutting mechanism with three rollers. The die-cutting device comprises a die-cutting roller and a driving roller, wherein the driving roller andthe die-cutting roller are stacked; a die-cutting sheet is arranged on the outer peripheral surface of the die-cutting roller; a die cutting gap for paper to pass through is formed between the die cutting roller and the driving roller; wherein the die-cutting roller is linked with the driving roller through gears, the gears are a driven gear arranged on the die-cutting roller and a driving gear arranged on the driving roller and meshed with the driven gear, and the die-cutting machine is characterized in that a supporting roller is arranged below the driving roller in the axial direction in astacked mode, and the supp