Threshing air separation system

The utility model discloses a threshing and wind separating system which comprises a threshing unit, a threshing device, a wind separating device, a wind separating device and a wind separating device. The threshing unit is used for separating tobacco flakes from tobacco stems, and the wind separating device is used for separating the tobacco flakes separated from the tobacco stems. The first collector is electrically connected with the leaf threshing device and is used for collecting the real-time motor frequency of the leaf threshing device; the second collector is electrically connected with the air separator and is used for collecting the real-time motor frequency of the air separator; the central controller comprises a receiving unit, the receiving unit is used for receiving input data, the input data comprise the weight of tobacco leaves and the stem content of the tobacco leaves, and the central controller is electrically connected with the first collector and the second collector. And the central cont