Numerical control specific-gravity type seed classificator

The invention discloses a numerical control specific-gravity type seed classificator, and belongs to the field of seed processing devices. The numerical control specific-gravity type seed classificator comprises a seed classificator body, executing mechanisms and a control center, wherein the seed classificator body is provided with a fan, an air chamber and a working table located above the air chamber, the working table is provided with a feeding opening, a full-seed discharging opening, a wizened-seed discharging opening and a vibrating screen, a middle frame is arranged between the working table and the air chamber, a supporting base is arranged on the middle frame, the working table can slant around the supporting base, a working table vibration driving mechanism is installed inside the air chamber, the working table, the frame and the air chamber are closed through soft connection, the executing mechanisms at least comprise one of a working table material thickness executing mechanism, a fan frequency converting control mechanism, a wizened-seed discharging valve executing mechanism, a working table vibration frequency converting control mechanism and a working table slant angle control mechanism, and the control center controls all the executing mechanisms through an PLC. The numerical control specific-gravity type seed classificator achieves the functions of working table top airflow control, material thickness control, full-seed and wizened-seed recognition control and the like, and is intelligent and high in reliability.