Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (08): 1-6.doi: 10.13475/j.fzxb.20220402006

• Invited Column： Reserch on Spinning Technology •     Next Articles

On-line detection and pattern analysis of separation drafting force in comber

CHEN Yuheng1,2, GAO Weidong1(), REN Jiazhi2   

  1. 1. Key Laboratory of Eco-Textiles ( Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China
    2. College of Textiles, Zhongyuan University of Technology, Zhengzhou, Henan 450007, China
  • Received:2022-04-06 Revised:2022-05-20 Online:2022-08-15 Published:2022-08-24
  • Contact: GAO Weidong E-mail:gaowd3@163.com

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Abstract:

In order to study the variation law of separation drafting force in the combing process and to explore the separation drafting mechanism of comber, an on-line detection device of separation drafting force of comber was designed by torque sensor, and the numerical variation of drafting force in a separation cycle was obtained. Remaining other process parameters unchanged, the effects of comber speed and top combing process parameters on separation drafting force were analyzed. The results show that the separation drafting force of comber increases first and then decreases in a "mountain" pattern, and the peak value appears at 24 degrees. The separation drafting force and its increment increase as comber speed increases, and the top comb has a great influence on the separation drafting force. When the top comb was removed, the peak tensile force was decreased by 24.67％–34.81％. It is also found that the separation drafting force increases with the increase of top comb tooth density and insertion depth, but the influence of the insertion depth of the top comb on the drafting force is greater than that of the top comb tooth density.

Key words: comber, separation drafting force, on-line detection, speed, top comb

CLC Number: 

  • TS104.1

Fig.1

Separation and drafting device of comber"

Fig.2

Schematic diagram of whisker cluster separation and drafting outside jaw"

Fig.3

Friction field of draft zone in comber"

Fig.4

Schematic diagram of extrusion of top comb for fiber"

Fig.5

Schematic diagram of on-line detection device for separation drafting force of comber"

Fig.6

Physical drawing of on-line detection device for separation drafting force of comber"

Fig.7

Test interface of separating draft torque of comber"

Fig.8

Effect of comber speed on separation drafting force"

Fig.9

Effect of top comb tooth density on separation drafting force"

Fig.10

Influence of insertion depth of top comb on separation drafting force"

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