Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (04): 174-179.doi: 10.13475/j.fzxb.20200503506

• Machinery & Accessories • Previous Articles     Next Articles

Design of loom shedding control system for interlayer angle interlocking fabric based on use of host computer

CHEN Xiaoming1,2,3, LI Jiao1,2, ZHANG Yifan1,2, XIE Junbo1,2, YAO Tianlei1,2, CHEN Li1,2()   

  1. 1. School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
    2. Key Laboratory of Advanced Textile Composite, Ministry of Education, Tiangong University, Tianjin 300387, China
    3. School of Mechanical Engineering, Tiangong University, Tianjin 300387, China
  • Received:2020-05-18 Revised:2021-09-12 Online:2022-04-15 Published:2022-04-20
  • Contact: CHEN Li E-mail:chenli@tiangong.edu.cn

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Abstract:

Aiming at the problem that the weaving of small batch and multi-type interlayer angle interlocking fabrics needs frequent change of the automatic weaving shedding control program, this paper proposes an loom shedding control system based on the host computer, including data format conversion computer aided manufacturing(CAM)software, host computer communication system and programmable logical controller(PLC) control system. The host computer communication system was firstly designed and a process information data format conversion CAM software module was built based on Python and QT-Designer. Further, a PLC host computer communication software was developed based on Visual Basic to facilitate real-time transmission of process information to the PLC, and monitor the production process. The hardware and software design of PLC control system, and experimental verification of the feasibility of the control system of jacquard loom were carried out based on the use of the host computer. The research results show that the process information data format conversion CAM software module, host computer communication software and PLC control system developed in this research were feasible. The cylinder motion matrix file was edited through Excel and then copied into the host computer to complete the data format conversion and complete the control program change.

Key words: host computer, interlayer angle interlocking fabric, loom, preform, programmable logical controller

CLC Number: 

  • TS101

Fig.1

Typical interlayer angle interlocking fabric structure (a)and its weaving principle(b)"

Fig.2

Loom control system composition diagram"

Fig.3

Software operation flow chart of PLC host computer communication software"

Fig.4

Hardware composition of PLC control system"

Fig.5

Running flow chart of program"

Tab.1

PLC I/O address assignment"

名称 输入点地址 输出点地址
启动 0.01 —
停止 0.02 —
引纬步数前进 0.03 —
引纬步数后退 0.04 —
气缸1输出 — 1.00
气缸2输出 — 1.01
… … …
气缸360输出 — 23.07
运行指示灯 — 24.00
停止指示灯 — 24.01

Fig.6

Verification of data format conversion of CAM software"

Fig.7

Verification of PLC upper computer communication software and control system"

Tab.2

"

组织结构 经密 纬密
层间角联锁平纹织物 4±0.2 3±0.2
层间角联锁斜纹织物 4±0.2 3±0.2
层间角联锁缎纹织物 8±0.5 4±0.2

Fig.8

Interlayer angle interlocking fabrics of different structures. (a) Plain weave; (b) Twill; (c) Satin"

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