农机化研究2026，Vol.48Issue(9)：44-51,59,9.DOI:10.13427/j.issn.1003-188X.2026.09.006
机采长绒棉提净式籽棉清理机齿条辊的设计与试验
Design and Test of the Saw Cylinder in the Purification Type Seed Cotton Cleaning Machine for Machine-Harvested Long-Staple Cotton
摘要
Abstract
Given the soft and slender nature of long-staple cotton fibers and the tight entanglement between fibers and boll husks,existing stripper and stick cleaners display low efficiency in boll husk removal and high cotton loss during the pro-cessing of machine-harvested long-staple cotton.A saw cylinder for stripper and stick cleaner was designed,which was specifically intended for processing machine-harvested long-staple cotton.Through investigating the physical and mechan-ical properties of machine-harvested long-staple seed cotton and conducting a force analysis of seed cotton's movement,parameters like the diameter,tooth profile,and tooth spacing of the U-shaped saw cylinder and the reclaiming saw cylin-der were optimized.Static structural analysis of the saw cylinder was performed using ANSYS Workbench simulation soft-ware.The results showed that the maximum deformation of the saw,which was 4.73×10-4 mm,occurred at the tooth tips,and the maximum stress,amounting to 9.52 MPa,was concentrated at the tooth roots.The strain and stress variations both satisfied the material strength requirements.A full factorial experimental design was used to compare and analyze the boll husk removal performance between straight sawteeth and arc-shaped sawteeth.The optimal parameter combinations were determined using a comprehensive scoring method.The findings showed that the U-shaped saw cylinder with straight sawteeth and a 16 mm tooth spacing had the best boll husk removal performance,achieving removal rate of 63.23%and cotton loss rate of 8.27%.The reclaiming saw cylinder performed optimally with arc-shaped sawteeth and a 16 mm tooth spacing,resulting in boll husk removal rate of 63.29%and cotton loss rate of 9.06%.These results verified the theoreti-cal design's rationality.This study offers a theoretical foundation and technical reference for optimizing the saw cylinder in the stripper and stick cleaner for machine-harvested long-staple cotton.关键词
籽棉清理机/齿条辊/机采长绒棉/静力学分析/清铃率/落棉率Key words
seed cotton cleaning machine/saw cylinder/machine-harvested long-staple cotton/static analysis/bell shells cleaning efficiency/cotton loss rate分类
农业科技引用本文复制引用
林慧,吴杰,毕新胜,代川森,姜恒..机采长绒棉提净式籽棉清理机齿条辊的设计与试验[J].农机化研究,2026,48(9):44-51,59,9.基金项目
新疆农机研发制造推广应用一体化试点项目(YTHSD2022-11) （YTHSD2022-11）
