Seed production corn fresh ear impurity separation device

The utility model discloses a seed production corn fresh ear impurity separation device which comprises a working plate table, a fresh ear separation mechanism and an impurity separation mechanism. Supporting edges are evenly distributed on the lower surface of the working plate table, a first separation box is arranged on the left side of the upper surface of the working plate table, moving plates are slidably connected into sliding grooves symmetrically formed in the rear wall face of the first separation box through sliding blocks, a screen frame is arranged between the two moving plates, and a second separation box is arranged at a feeding port formed in the middle of the upper surface of the first separation box. An air bellow is arranged at a square through hole formed in the lower end of the right side face of the second separation box, the end face of the bottom end of an air bellow supporting leg is fixedly connected with the upper surface of the working plate table, and a feeding hopper is arranged