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  • Author or Editor: Hongmei Xia x
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Hongmei Xia, Wenbin Zhen, Dongyang Chen and Wen Zeng

Taking out and opening the ordinary multilayer fruit paper bag for fruit bagging is labor intensive, costly, not efficient, and potentially dangerous to the operator’s health. There is a high demand to develop a mechanical device for the operation in Chinese orchards. A novel supplying device based on the manual operated fruit bag case was proposed. The open hand of the supplying device operates like a farmer’s hand that can continuously take out a multilayer fruit paper bag one by one, and open it fully from its inside. Mechanism configuration and dimension parameter of the open hand were designed based on preliminary tests. The operation functionality of the supplying device prototype at different driving trajectories and speed was investigated in the study. The laboratory experimental data indicated that driving trajectory was an extremely significant factor for efficiently taking out and opening the fruit bag without sliding off and damage. Driving speed had a beneficial effect on reducing supplying time. With the synchronous driving trajectory and allowable high moving speed, the developed supplying device could achieve more than 90% opening success rate and less than 2-second opening time. The study showed the potential of the developed mechanical supplying device for fruit bagging with ordinary multilayer fruit paper bags.