Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (12): 119-126.doi: 10.13475/j.fzxb.20180706808

• Machinery & Accessories • Previous Articles     Next Articles

Automation improvement design of weaving curtain loom

GAO Zhigang1, LIU Leilei2, WANG Yong2, XU Yang1()   

  1. 1. Key Laboratory of Eco-Textiles (Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China
    2. Jiangsu Youcheng CNC Technology Co., Ltd., Taizhou, Jiangsu 225300, China
  • Received:2018-07-25 Revised:2019-10-22 Online:2019-12-15 Published:2019-12-18
  • Contact: XU Yang E-mail:zh3212@vip.sina.com

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Abstract:

At present, the weaving curtain loom still requires manual operation during the process of weft selection and weft insertion involved in the low level of automation of loom. An automatic weft selection device of woven shade loom integrating storage, screening, selection and transportation of weft material was designed and developed independently. The SolidWorks software platform was adopted to conduct three-dimensional modeling and virtual assembly operations based on the detailed analysis of the structural design requirements of key components in the automatic weft selection device, and the corresponding two-dimensional drawings were automatically generated to obtain the processing and assembly of the components, and the automatic weft selection device was successfully built. At the same time, the negative take-up and let-off mechanism in loom that is prone to result in a series of problems such as the unevenness of weft density and warp tension is upgraded with an efficient and appropriate electronic take-up and let-off system, and then combined with the technical requirements of weaving, the control scheme of the weaving curtain loom is designed. The results show that the scheme has the advantages of simple structure, low cost and wide variety adaption range, which facilitates improving the automation level of the loom.

Key words: weaving curtain loom, hard weft-material, automatic weft selection device, electronic take-up and let-off

CLC Number: 

  • TS103.7

Fig.1

Automatic selection device of hard weft"

Fig.2

Swing screening mechanism"

Fig.3

Mechanism of material selection"

Fig.4

Automatic selection device of soft rope weft"

Fig.5

Schematic diagram of swing screening mechanism"

Fig.6

Force analysis diagram of weft-material"

Fig.7

Force analysis diagram of weft-material movement. (a) Stress state Ⅰ; (b) Stress state Ⅱ"

Fig.8

Schematic diagram of soft rope weft swing conveyor mechanism. (a) Planform; (b) Front view"

Fig.9

Work periodogram of loom. (a) Opening; (b) Weft insertion; (c) Beating up weft; (d) Weft feeding and selection"

Fig.10

Control flow chart of weft selection"

Fig.11

Control flow chart of electronic let-off system"

Tab.1

Variety specification table for on-board test"

品种 竹丝 软绳状纬料
长度/m 直径/mm 线密度/tex
竹丝/普通草绳 3 2.2 0.28×104
竹丝/黄麻结头 3 2.2 1.18×104
竹丝/细玉米辫 3 2.2 0.53×104
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