Research Status of Grading and Sorting Device for Winter Jujube

Winter jujube originates in Xiawa town of Zhanhua district，Binzhou city of Shandong province.It is a cultivated variety of jujube tree.Its skin is bright red and crisp，and flesh is crisp and sweet.It is rich in nutrition and edible rate can reach 95%.Fruit quality grade of winter jujube is judged by fruit color，coloring area and fruit size.At present，there are many varieties and sizes of winter jujube sold in the market.It is very necessary to classify winter jujube.In view of present situation of low efficiency，great labor intensity and inaccurate classification effect of winter jujube，grading and sorting device for winter jujube was introduced in detail.