Analysis and Experiment of Filming Mechanism of Rotary Film-lifting Device of Residual Film Recycling Machine

被引：0
|
作者：
Sun Y. [1 ]
Jian J. [1 ]
Tian Y. [1 ]
Sun F. [1 ]
Zhang M. [1 ]
Wang S. [2 ]
机构：
[1] College of Engineering, China Agricultural University, Beijing
[2] Mechanical Equipment Research Institute, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi
来源：
Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery | 2018年 / 49卷
关键词：
Field test; Film-lifting device; Mechanism analysis; Residual film recovery machine;
D O I：
10.6041/j.issn.1000-1298.2018.S0.040
中图分类号：
学科分类号：
摘要：
A rotary film-lifting device was proposed in view of the problems of low filming rate, difficult separation of membrane soil and low work reliability. Through the force and movement analysis of membrane mixture in the membrane process of the device, the conditions for the membrane and soil to be thrown away and the conditions for the residual membrane to be "stucked" by the spring teeth were determined. Through the analysis of the mechanism of filming, the horizontal distance and vertical distance between the rotating speed of knife shaft, the knife cutting axis and film spring were taken as experimental factors, and the filming rate, recovery rate and soil fraction were taken as the response indicators. The three-factor and three-level tests were designed by using the Box-Benhnken Design method in Design-Expert software, and the influence of various factors on the quality of the work was analyzed. The test results showed that the descending order of influence of filming rate was filming-cutter shaft speed, vertical distance and horizontal distance; the descending order of recovery rate was filming-cutter shaft speed, horizontal distance and vertical distance; the descending order of soil rate was film cutter shaft speed, vertical distance and horizontal distance. The four-dimensional slice diagram of the above three factors was plotted in Matlab 2016a software to analyze the comprehensive effect of each factor on the response indicators. The analysis results showed that with the increase of rotating speed of the knife shaft, the filming rate was increased. The higher the rotating speed of the knife shaft was, the more the horizontal distance was. After comprehensive optimization of the influencing factors, the optimal working parameter combination was obtained. The speed of the film-cutting shaft was 680 r/min, and the horizontal distance between the film-cutting shaft and the transporting elastic teeth was 250 mm. The vertical distance between the teeth was 320 mm. The above combination was tested in the field, the filming rate was 90.1%, the recovery rate was 89.5%, and the soil rate was 11.8%. The results showed that the optimization scheme of the device was feasible. © 2018, Chinese Society of Agricultural Machinery. All right reserved.
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页码：304 / 310
页数：6
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