High-speed puncher

The utility model discloses a high-speed puncher, which belongs to the field of punching and comprises a punching support, a rotating roller is arranged on the punching support, and a fixed roller is arranged under the rotating roller. The rotating roller is fixedly sleeved with a punch, a cavity is formed in the punch, at least two stamping knives are evenly distributed on the circumference of the outer side wall of the punch, and a channel is formed in the middle of each stamping knife and communicated with the cavity. The rotating roller is a hollow roller, a penetrating groove is formed in the side wall of the hollow roller corresponding to the position where the punch is installed, and the penetrating groove communicates the interior of the hollow roller with the cavity; a roller pair is fixedly arranged on the fixed roller located below the punch, and when the stamping knife rotates to the lower portion, the end of the stamping knife makes contact with the surface of the roller pair. One end of the rota