Efficient soybean classificator

The utility model provides an efficient soybean classificator. The device comprises a primary selection mechanism and a fine selection mechanism, the primary selection mechanism comprises a storage hopper, an air blower, a first flow guide pipe and a first ventilation pipe. The selecting mechanism comprises a first separating mechanism, a second separating mechanism and a third separating mechanism, the third separating mechanism comprises a third guide cylinder, the second separating mechanism comprises a second guide cylinder, a second conical separating screen and a second brush plate, andthe first separating mechanism comprises a first guide cylinder, a first inverted conical separating screen and a driving motor. According to the efficient soybean classificator, the air blower and the separating screen are effectively combined together, soybean screening work is conducted in sequence through the air blower and the separating screen, the soybean screening work efficiency is improved, and meanwhile the soy