This machine is mainly used in food processing industry,such as beans, nuts, peanuts, almonds, walnut, hazelnut, chestnut and other different particle size materials chopped.It consists of three sections of feeding, chopping and classification which vibration feeding section can enable the peanuts to evenly fall into the container where the peanuts are being evenly chopped by rolling knives, in the classification section sieves of different sizes are installed which the peanuts into different sizes.