Journal of Textile Research ›› 2020, Vol. 41 ›› Issue (09): 27-32.doi: 10.13475/j.fzxb.20190900806

• Textile Engineering • Previous Articles     Next Articles

Finite element simulation of cotton serrated ginning state based on cottonseed modeling

HU Wen1, WANG Di1, CHEN Xiaochuan1(), WANG Jun2, LI Yong3   

  1. 1. College of Mechanical Engineering, Donghua University, Shanghai 201620, China
    2. College of Textiles, Donghua University, Shanghai 201620, China
    3. College of Mechanical and Electronic Engineering, Tarim University,Alar, Xinjiang 843300, China
  • Received:2019-09-02 Revised:2020-05-15 Online:2020-09-15 Published:2020-09-25
  • Contact: CHEN Xiaochuan E-mail:xcchen@dhu.edu.cn

RichHTML

3

PDF (PC)

149

Abstract:

In order to analyze the stress state of seed cotton in serrated ginning process and improve the quality of lint cotton, a new model of seeded cotton was proposed in this paper based on the existing model of seeded cotton and the fiber network configuration in the actual seeded cotton. The bundled fibers were simulated to have a circular cross-section throughout the length of the fiber along the axis. On the basis of the model, ANSYS Workbench was used to simulate the ginning process, and the influence of different sawtooth speed and cottonseed density on the ginning process was analyzed. It can be seen from the results that the greater the is sawtooth speed, the more severe is the impact of the cotton fiber, but higher sawtooth speed is prone to causing damages to the cotton fiber. The effect of sawtooth ginning is most obvious when the cotton seed density is 580 kg/m3. The error between the experimental and the simulated values is small, which shows the rationality of the model.

Key words: serrated ginning, cotton fiber, cottonseed, finite element model, ANSYS Workbench

CLC Number: 

  • TS113

Fig.1

Distribution of cotton fibers (×20)"

Fig.2

Three-dimensional view of cotton model containing cottonseed"

Tab.1

Cotton seed measurement results"

类别 最大荷重/N 压缩强度/MPa 弹性模量/MPa 最大压缩量/mm
最大值 71.470 2.233 14.047 2.386
最小值 21.542 0.673 6.694 1.329
平均值 55.865 1.746 11.071 1.975

Tab.2

Material parameter"

类别 弹性模量/MPa 泊松比 密度/(kg·m-3)
锯齿 207 000 0.29 7 850
棉朵 2 400 0.40 400
棉籽 11 0.33 500

Fig.3

Stress nephogram(a)and strain nephogram(b) of cotton"

Fig.4

Ginning experiment device"

Fig.5

Reaction force on lower surface of sawtooth"

Tab.3

Maximum stress and strain values at different sawtooth speeds"

滚筒转速/(r·min-1) 最大应力/MPa 最大应变
435 345.97 0.935
507 392.49 1.009
580 458.29 1.134
625 484.20 1.224
725 494.22 1.325

Tab.4

Maximum stress and strain values at different seed densities"

棉籽密度/(kg·m-3) 最大应力/MPa 最大应变
500 345.97 0.954
520 341.54 0.960
540 338.13 0.935
560 347.34 0.952
580 358.66 0.975

Fig.6

Structure diagram of three cotton model. (a)Laminated board cotton model;(b)Three-dimensional woven cotton model;(c)Model of cotton with cotton seeds"

[1] 田景山, 王文敏, 王聪, 等. 机械采收方式对新疆棉品质的影响[J]. 纺织学报, 2016, 37(7):13-17,33.
TIAN Jingshan, WANG Wenmin, WANG Cong, et al. Effect of cotton mechanical picking on fiber qualities in Xinjiang[J]. Journal of Textile Research, 2016, 37(7):13-17,33.
[2] 朱瑞峰. 锯齿轧花机工作箱工作原理解析[J]. 中国棉花加工, 2010(3):7-8.
ZHU Ruifeng. Analysis of working principle of working box of sawtooth gin[J]. China Cotton Processing, 2010 (3):7-8.
[3] 朱泽飞. 纤维状粒子悬浮流动力学分析[M]. 上海: 东华大学版社, 2000: 131-132.
ZHU Zefei. Suspension flow mechanics analysis of fibrous particles[M]. Shanghai: Donghua University Press, 2000: 131-132.
[4] MOURAD Krifa. Fiber length istribution in cotton processing: a finite mixture distribution model[J]. Textile Research Journal, 2008, 78(8):688-698.
doi: 10.1177/0040517508083729
[5] 李斌. 棉纤维在锯齿轧花机中受力状态的有限元模拟[D]. 上海: 东华大学, 2017:70-71.
LI Bin. Finite element simulation of stress state of cotton fiber in sawtooth cotton gin[D]. Shanghai: Donghua University, 2017:70-71.
[6] CHEN Xiaochuan, WANG Di, QIU Yiping, et al. Finite element analysis of cotton ginning state based on ansys[J]. Textile Research Journal, 2019, 89(11):2142-2153.
doi: 10.1177/0040517518786274
[7] WANG Di, CHEN Xiaochuan, LI Yong, et al. Finite element analysis of cotton serrated ginning state based on three-dimensional braided modeling[J]. Journal of Natural Fibers, 2019. DOI: 10.1080/15440478.2019.1675213.
[8] 徐红, 单小红. 棉花检验与加工[M]. 北京: 中国纺织出版社, 2006: 3-4.
XU Hong, SHAN Xiaohong. Cotton inspection and processing[M]. Beijing: China Textile & Apparel Press, 2006: 3-4.
[9] EVANS K E, ALDERSON K L, FITZGERALD A. The strain dependent indentation resilience of auxetic microporous polyethylene[J]. Journal of Materials Science, 2000, 35:4039.
doi: 10.1023/A:1004830103411
[10] LAKES R S. Foam structures with a negative Poisson's ratio[J]. Science, 1987, 235:1038.
pmid: 17782252
[11] 葛优. 锯齿轧花过程的计算机模拟[D]. 上海: 东华大学, 2016:40-41.
GE You. Computer simulation of sawtooth embossing process[D]. Shanghai: Donghua university, 2016:40-41.
[1] ZHANG Mengyang, CHEN Xiaochuan, WANG Jun, LI Yong. Modeling and simulation of cotton micronaire value based on ANSYS CFX [J]. Journal of Textile Research, 2020, 41(07): 29-34.
[2] SHAO Jinxin, ZHANG Baochang, CAO Jipeng. Fiber detection and recognition technology in cotton fiber carding process based on image processing and deep learning [J]. Journal of Textile Research, 2020, 41(07): 40-46.
[3] ZHANG Ge, ZHOU Jian, WANG Lei, PAN Ruru, GAO Weidong. Influencing factors for fiber color measurement by spectrophotometer [J]. Journal of Textile Research, 2020, 41(04): 72-77.
[4] DENG Qianqian, YANG Ruihua, XU Yaya, GAO Weidong. Study on mixing uniformity of fibers in rotor-spun mixed yarns [J]. Journal of Textile Research, 2019, 40(07): 31-37.
[5] . Finite element model for evaluating pressure distribution of men's basic pattern on upper body [J]. Journal of Textile Research, 2018, 39(11): 116-121.
[6] . Adsorption properties of cotton fiber functionalized by mesoporous nanoparticle for dyes [J]. Journal of Textile Research, 2018, 39(10): 93-98.
[7] . Parameter optimizing of Stearns-Noechel model in color matching of cotton colored spun yarn [J]. JOURNAL OF TEXTILE RESEARCH, 2018, 39(03): 31-37.
[8] . Simulation of fiber trajectory in jet vortex spinning based on finite element model [J]. JOURNAL OF TEXTILE RESEARCH, 2018, 39(02): 32-37.
[9] . Characterization of cotton linear density using window function [J]. JOURNAL OF TEXTILE RESEARCH, 2017, 38(01): 46-51.
[10] . Simple quantitative detection of cationic degree on cotton fiber [J]. Journal of Textile Research, 2016, 37(4): 75-79.
[11] . Study on anti-UV property of cotton fibrics by in-situ generation of TiO2 [J]. Journal of Textile Research, 2016, 37(3): 78-81.
[12] . Research on compressive force transmission properties and densities-mechanical properties model of cotton fiber assembly [J]. JOURNAL OF TEXTILE RESEARCH, 2016, 37(11): 19-25.
[13] . Periodic boundary conditions for mechanical property analysis of 2-D woven fabric composite [J]. JOURNAL OF TEXTILE RESEARCH, 2016, 37(09): 70-77.
[14] . Application of Stearns-Noechel model on color blending of naturally colored cotton [J]. JOURNAL OF TEXTILE RESEARCH, 2016, 37(01): 93-97.
[15] . Compressive properties of carbon three/epoxy resin hollow sandwich composites based on finite element software [J]. JOURNAL OF TEXTILE RESEARCH, 2015, 36(09): 50-54.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
No Suggested Reading articles found!
京ICP备14006648号
Copyright 2021 © Editorial office of Journal of Textile Research
Supported by Beijing Magtech Co.Ltd