板齿式轴流玉米脱粒分离装置设计与试验

doi:10.13733/j.jcam.issn.2095‑5553.2024.11.017

中国农机化学报 ›› 2024, Vol. 45 ›› Issue (11): 106-112.DOI: 10.13733/j.jcam.issn.2095‑5553.2024.11.017

板齿式轴流玉米脱粒分离装置设计与试验

李欣然1，毛欣1，衣淑娟1，王雪2，陈涛1，王书航3

1. 黑龙江八一农垦大学工程学院，黑龙江大庆，163319； 2. 黑龙江八一农垦大学信息与电气工程学院，
黑龙江大庆，163319； 3. 大庆经济技术开发区产业发展促进中心，黑龙江大庆，163319

出版日期:2024-11-15 发布日期:2024-10-31
基金资助:
黑龙江省博士后面上项目(LBH—Z19217)；黑龙江八一农垦大学三横三纵支持计划项目(ZRCQC201907)

Design and experiment of plate and tooth type axial flow corn threshing and separating device

Li Xinran1, Mao Xin1, Yi Shujuan1, Wang Xue2, Chen Tao1, Wang Shuhang3

1. College of Engineering, Heilongjiang Bayi Agricultural University , Daqing, 163319, China; 2. College of Information and Electrical Engineering, Heilongjiang Bayi Agricultural University, Daqing, 163319, China; 3. Industrial Development Promotion Center, Daqing Economic and Technological Development Zone, Daqing, 163319, China

Online:2024-11-15 Published:2024-10-31

摘要/Abstract

摘要： 针对黑龙江地区玉米脱粒过程中破碎率和未脱净率高的问题，设计板齿式轴流玉米脱粒分离装置，对其关键部件的参数进行设计计算，利用制图软件建立整体试验台的三维模型。试验将凹板栅格尺寸、滚筒转速、喂入量作为影响因素，将籽粒破碎率和未脱净率作为性能指标，在自制的玉米脱粒分离装置试验台上展开单因素和多因素的试验研究，并运用Design-Expert 12.0数据分析软件对试验结果展开分析及优化求解。结果表明：试验因素对籽粒破碎率的影响从大到小依次为凹板栅格尺寸、喂入量、滚筒转速，对未脱净率的影响从大到小依次为喂入量、凹板栅格尺寸、滚筒转速；最优参数组合为：凹板栅格尺寸18 mm、滚筒转速199 r/min、喂入量2.1 kg/s，此时籽粒破碎率最小值为2.39%，未脱净率最小值为0.21%。最后对最优参数组合进行试验验证，验证结果与优化结果的相对误差满足要求。

关键词: 玉米, 板齿, 脱粒分离装置, 喂入量, 响应曲面试验

Abstract: Aiming at the problem of high crushing rate and uncleaned rate in the process of corn threshing in Heilongjiang region, the plate‑tooth axial flow corn threshing and separating device was designed, and the parameters of its key components was designed and calculated, and the three‑dimensional model of the overall test bench was established by using the mapping software. The dimensions of the concave plate grid, drum speed and feeding volume were taken as the influencing factors, and the crushing rate and uncleaned rate were taken as the performance indexes, the single‑factor and multi‑factor experiments were carried out on the homemade corn threshing and separating device test bench, and Design-Expert 12.0 data analysis software was used to analyze the experimental results and optimize the solution. The results showed that the influence of the test factors on the kernel breakage rate was from the largest to the smallest in the order of concave plate grid size, feeding volume and drum speed, and the influence on the unthreshing rate was from the largest to the smallest in the order of feeding volume, concave plate grid size and drum speed, the optimal combination of parameters was as follows: Concave plate grid size 18 mm, drum speed 199 r/min, feeding volume 2.1 kg/s. The minimum value of the seed crushing rate was 2.39% and the minimum value of the uncleaned rate was 0.21%. Finally, the optimal parameter combinations are verified experimentally, and the relative error between the verification results and the optimization results meets the requirements.

Key words: corn, slatted teeth, threshing and separating device, feeding volume, response surface test

中图分类号:

S225.5+1

李欣然, 毛欣, 衣淑娟, 王雪, 陈涛, 王书航. 板齿式轴流玉米脱粒分离装置设计与试验[J]. 中国农机化学报, 2024, 45(11): 106-112.

Li Xinran, Mao Xin, Yi Shujuan, Wang Xue, Chen Tao, Wang Shuhang. Design and experiment of plate and tooth type axial flow corn threshing and separating device[J]. Journal of Chinese Agricultural Mechanization, 2024, 45(11): 106-112.

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板齿式轴流玉米脱粒分离装置设计与试验

Design and experiment of plate and tooth type axial flow corn threshing and separating device

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