Application No./Patent No.: 2018103806802 Application date: April 25, 2018.
Inventor/Designer: Sun Bingtao, Wang Bailiang.
The invention belongs to the technical field of grain hulling, and particularly discloses a grain hulling device, which comprises a feeding unit, a hulling unit and a sorting unit, wherein the feeding unit comprises a silo and a feeding channel; The skin screening unit comprises a communication pipe, a rotary drum, an arc plate and a transmission shaft, wherein a grinding drum is fixed in the rotary drum, the discharge end of the feeding channel is fixedly connected with an inner channel, and the inner wall of the grinding drum and the outer wall of the inner channel are provided with a plurality of pressing blocks; A connecting rod is fixed on the arc plate; The sorting unit comprises a rotating shaft, a sorting cylinder and a motor, wherein a push plate is slidably connected in the sorting cylinder, a push column is fixed on the push plate, and a second cam is fixed on the rotating shaft; The upper and lower side walls of the sorting cylinder are both connected with air pipes which are provided with one-way exhaust valves; The upper surface of the sorting cylinder is provided with a unidirectional feeding valve; The side wall of the sorting cylinder is provided with a row of openings, and a material door is arranged in the sorting cylinder. By using the device, the adequacy of rice screening can be ensured, and the unsheathed rice can be prevented from entering the next processing procedure.
