Cleaning and blowing device in tobacco die cutting roller

The utility model discloses a cleaning and blowing device in a tobacco die-cutting roller, which belongs to the technical field of tobacco die-cutting and comprises a die-cutting cylinder, a die-cutting hole and a rotating shaft, an air pipe hole is coaxially arranged on the rotating shaft, one end of an airflow main pipe extends into the die-cutting cylinder through the air pipe hole and is coaxially arranged in the die-cutting cylinder, and a sealing gasket is arranged between the airflow main pipe and the rotating shaft. The outer end of the airflow main pipe is fixedly installed through a support and connected with an air inlet pipe, the airflow main pipe is connected with an air outlet pipe through airflow branch pipes, and air outlet holes are formed in the bottom of the air outlet pipe at equal intervals. According to the utility model, tobacco slices adhered to the die-cutting holes are cleaned by utilizing airflow led in from the air inlet pipe, so that cleaning and blowing are completed, and the pro