Abstract
Silkworm cocoon harvesting manually from the plastic collapsible mountage is laborious, time consuming and inefficient, to overcome the present situation of cocoon harvesting, a novel automatic cocoon harvester with dual harvesting roller rotating in opposite direction for plastic mountage was designed. By analyzing the force on concoon harvested with the harvesting roller, conditional equation of cocoon separated from plastic moutntage was obtained, when the pressure on cocoon acted by the harvesting roller was lowest. The parameters that achieved efficient cocoon harvesting were:(1) the gap between the two harvesting rollers was 3 mm;(2) the diameter of the harvesting roller was 47.7 mm. When the harvesting roller speed was 700 r/min, 1100 r/min, 1500 r/min, one-hour continuous cocoon harvesting test was carried out. According to the experiment result, the cocoon harvester efficiency was about 8.7 times the efficiency of manual harvesting for the plastic mountage. The novel cocoon harvester can be promoted and used in sericulture areas.
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