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The feeding status of feeding device is an important factor that affects the performance of the main machine and even the process line. Taking the assembly layout of the feeding device and the structure of key parts as the research object, we conducted research design and analysis of the feed roller and cotton-feeding roller structure and their configurations. The results show that vertical feeding is conducive to the continuous and uniform feeding of materials; the combined use of cotton-plucking feed roller with roller is superior to the combination of multiple rollers; the progressive differential feeding mode makes for gradually thinning the material bed, improving the long fiber extraction rate, reducing the impurity rate, reducing the unattached fiber and greatly improving the machine performance;  Φ 58×1200mm cotton-feeding roller with a hexagonal spindle structure has higher deformation resistance than simple hollow structure. The research can be a reference for the optimization and design of sterile cottonseed extraction machine and equipment.

Design and Optimization of Feeding Device for Sterile Seed Long Fiber Extractor