| 摘要 |
The present invention relates to a device for controlling a gap of a screw in a device for automatically sorting agricultural products such as ginkgo nuts, plums, chestnuts, walnuts, peanuts, pieces of garlics, the garlics, and persimmons by sizes. The present invention is the device for controlling the gap of the entire screw (8) with one gap control handle (11) connected to a gap control bolt (3) when the gap of the screw (8) is needed to be controlled according to the size of the agricultural products. The cross section of a spiral (10) is the R-shaped spiral so that the present invention performs accurate sorting by widening a contact surface with the agricultural product. |
