Traditional Chinese medicinal material drying device

The invention discloses a traditional Chinese medicinal material drying device, and belongs to the technical field of traditional Chinese medicinal material drying treatment. The traditional Chinese medicinal material drying device comprises a rack, an outer cylinder, a first driving part, a second driving part, a worm and gear mechanism and a rocker arm mechanism, the outer cylinder is arranged on the rack, the outer cylinder is provided with a central axis, an inner cylinder is coaxially arranged in the outer cylinder in a sleeved mode, a plurality of first screen holes are formed in the cylinder wall of the outer cylinder at intervals, and a plurality of second screen holes are formed in the cylinder wall of the inner cylinder at intervals; the first driving part is connected to the outer barrel or the inner barrel and used for driving the outer barrel and the inner barrel to relatively slide along the central axis, the second driving part is connected with the outer barrel or the inner barrel and used for