Residual tobacco shred sorting and impurity removing device

The utility model relates to a defective tobacco shred sorting and impurity removing device, and belongs to the technical field of defective tobacco shred sorting. Comprising a bottom frame, a collecting box, a screening net plate and an air inlet pipe. The collecting box composed of the tobacco shred box and the waste box is installed on the bottom frame, the screening net plate is arranged on the tobacco shred box, the air chamber is arranged on the bottom frame, the air chamber is communicated with the positive pressure air path through the air inlet pipe and communicated with the tobacco shred box through the screening net plate, and therefore positive pressure blowing is conducted on tobacco shreds discharged into the tobacco shred box through the air chamber. The tobacco shreds and the impurities respectively fall into the tobacco shred box and the waste material box under the action of wind power separation, separation and impurity removal of the tobacco shreds are achieved, use is convenient, the sepa