Seed selection device for large-area planting of corn

The utility model discloses a seed selection device for large-area corn planting, which comprises a shell, and openings are formed in the top and the right side of the shell; a screening mechanism is installed in an inner cavity of the shell, a first rectangular plate is installed in the inner cavity of the shell and located below the screening mechanism, a plurality of screening holes are evenly formed in the first rectangular plate, a rectangular groove is formed in a front plate of the shell, and a collecting box of a drawer type structure is installed in the inner cavity, corresponding to the rectangular groove, of the shell. The collecting box is located under the first rectangular plate, and a handle is installed on the outer surface of the collecting box. When the sieve plate is used for vibration screening, corn seeds meeting the specification and some small impurities can fall onto the upper surface of the first rectangular plate through holes of the sieve plate, and the corn seeds can continue to mo