Intelligent Automatic Belt Pistachio/Pine Nut/Raisin/Jujube/Nut Color Sorter Wenyao Color Sorter Working Principle : Input product is loaded into the in-feed hopper , it moves along the vibrating plate , until it flows on to a sloping chute, where it is individually checked at 360° and sorted by RGB Full color cameras . Depending on the signals received by the optical device, the sorter's software controls the pneumatic device, which physically separates the unwanted products