Method for automatically adjusting cutter door gap of tobacco cutter on tobacco processing line

The invention belongs to the technical field of tobacco processing, and relates to a method for automatically adjusting a cutter door gap of a tobacco cutter on a tobacco processing line, a sensor is arranged on the tobacco cutter, and the sensor can respectively detect the moment when a blade scratches a cutter door, a grinding wheel blade sharpening blade and a diamond dressing grinding wheel; then the sensor sends out a signal and transmits the signal to a tobacco cutter control system, the tobacco cutter control system completes judgment and determines the position relation between the blade and the cutter door, the position relation between the grinding wheel and the diamond and the position relation between the blade and the grinding wheel, and after the position relation between the blade, the cutter door, the grinding wheel and the diamond is determined, the position of the diamond serves as the reference position; the position relation between the diamond and the grinding wheel, the blade and the cut