Traditional Chinese medicinal material drying device with screening function

The traditional Chinese medicine drying device with the screening function comprises a drying bin and a heating box, and the heating box is fixedly installed at the position, close to the bottom, of the rear end of the drying bin. According to the traditional Chinese medicinal material drying device with the screening function, after dried traditional Chinese medicinal materials fall into the bottom of the drying bin, a conveying motor is started, the conveying motor drives a spiral roller to rotate at a constant speed, the spiral roller can evenly convey the traditional Chinese medicinal materials, and when the traditional Chinese medicinal materials pass through a filter screen, disintegrating slag mixed in the traditional Chinese medicinal materials can be screened down; and then the traditional Chinese medicinal materials are fed into the extending cylinder and discharged from the discharging port, so that chippings are screened in the discharging process after the traditional Chinese medicinal materials