Novel door opening and closing device

The utility model discloses a novel door opening and closing device which comprises a driving motor fixedly installed on a hot press body and an aluminum type lining frame connected with a door body in a matched mode, the output end of the driving motor is connected with a connecting shaft through a transmission mechanism, and bearing seats are symmetrically and fixedly connected to the two sides of the hot press body. The connecting shaft is rotationally connected to the bearing seat, connected with the door body through a traction mechanism and drives the door body to ascend and descend. After the driving motor is started, the transmission mechanism drives the winding wheel to wind the hanging belt, the door body slides upwards firstly under the cooperation of the guide plate and the aluminum type lining frame, the abutting plate begins to make contact with the check block when the door body reaches a certain position, the aluminum type lining frame is driven to move the door body towards a hot press under