Full-automatic drying kiln

The utility model discloses a full-automatic drying kiln, and relates to the technical field of drying devices. The full-automatic drying kiln comprises a drying kiln body, a kiln door is movably connected to the front surface of the drying kiln body, an air outlet pipe is fixedly connected to the rear surface of the drying kiln body, an external exhaust fan is fixedly connected to the lower end of the air outlet pipe, a filtering device is arranged on the outer surface of the air outlet pipe, and a conveying device is arranged on the left surface of the drying kiln body. A support is fixedly connected into the drying kiln body, an air inlet pipe is fixedly connected to the rear surface of the drying kiln body, the filtering device comprises a filtering box, the filtering box is fixedly connected to the outer surface of an air outlet pipe in a sleeving mode, a filtering box is slidably connected to the rear surface of the filtering box, and a filtering net is fixedly installed on the bottom wall of the filter