Intelligent air door for mine

The utility model is suitable for the technical field of mine air doors, and provides an intelligent air door for a mine, which comprises a door frame and an air door hinged on the door frame, mounting grooves are formed in the side surfaces of the dampers; a semi-cylindrical groove is formed in the inner bottom surface of the mounting groove; semi-shaft holes are formed in the two ends of the semi-cylindrical groove; ventilation grooves are formed in the peripheral side surfaces of the semi-cylindrical grooves; a sealing shaft is rotationally matched between the two half shaft holes; the sealing shaft is rotationally arranged in the semi-cylindrical groove, and the peripheral side surface of the sealing shaft is provided with an air releasing groove; annular grooves are formed in the circumferential side surfaces of the sealing shafts; and a half shaft sleeve rotationally matched with the annular groove is fixedly connected between the two positioning holes. According to the device, a sealing shaft is placed