Shuttle type kiln door device

The utility model relates to the technical field of shuttle kilns, in particular to a shuttle kiln door device which comprises a furnace body, the front face of the furnace body is rotationally connected with a kiln door, the bottom of the kiln door is movably connected with an auxiliary assembly, and the side face of the furnace body is rotationally connected with a locking mechanism. The kiln door comprises a high-temperature-resistant fiber board which is rotationally connected with the furnace body, a sealing ring is arranged on one side of the high-temperature-resistant fiber board, a circular air channel is formed in the high-temperature-resistant fiber board, and a sealing cover is in threaded connection with the surface of the high-temperature-resistant fiber board. Once the air pressure is large, the kiln door does not need to be opened, only the sealing cover needs to be opened, the air pressure can be reduced through the circular air channel, the internal temperature is kept stable, meanwhile, work