Air cylinder door drying box with internal circulation structure

The utility model discloses an air cylinder door drying box with an internal circulation structure, and particularly relates to the technical field of drying, the air cylinder door drying box comprises a drying box body, a drying frame is fixedly installed in the drying box body, a placing net is fixedly installed on the inner wall of the drying frame, and dehumidification devices are fixedly installed at the bottom of the drying box body and the bottom of the drying frame. A heating coil is fixedly installed on the inner wall of the top of the drying frame, a rotating disc is rotationally connected to the upper surface of the drying frame through a rotating shaft, a fixing rod is fixedly installed on the side face of the rotating disc, a rotating shaft is rotationally connected to the bottom of the fixing rod, and a fan is fixedly installed at the end, close to the drying frame, of the rotating shaft. According to the drying box, the fan rotates to drive air in the drying box body to flow, so that parts plac