Journal of Textile Research ›› 2020, Vol. 41 ›› Issue (11): 156-161.doi: 10.13475/j.fzxb.20190707806

• Machinery & Accessories • Previous Articles     Next Articles

Design of flexible needle-punching forming system for rotary structure preform

CHEN Xiaoming1,2, LI Jiao2, ZHANG Yifan1,2, XIE Junbo1,2, LI Chenyang2, CHEN Li1,2()   

  1. 1. School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
    2. Key Laboratory of Advanced Textile Composite Materials, Ministry of Education, Tiangong University, Tianjin 300387, China
  • Received:2019-07-31 Revised:2020-08-10 Online:2020-11-15 Published:2020-11-26
  • Contact: CHEN Li E-mail:chenli@tjpu.edu.cn

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Abstract:

Existing special shaped needle-punching forming equipment is difficult to be adapted to the needle-punching forming requirements of small-volume and multi-variable rotary structure composite preforms. To address on this problem, a needle-punching forming system for flexible rotary preforms was proposed. According to the needle-punching forming characteristics of the rotary preform, a four-axis linkage needle-punching moving mechanism and a pneumatic needle-punching head configuration were used, and a needle forming system was constructed using the programmable logic controller (PLC) and the touch screen, which was verified by experiments. The research results show that the needle traces of the needle punching experiment and the simulated needle traces are highly consistent, proving the feasibility of the four-axis needle punching system. The needle punching frequency reaches 110 times per minute, and the needle punching efficiency is doubled compared with the existing double-cylinder needle punching head.

Key words: rotary structure composite, 3-D needled composite, rotary table, preform, needle-punching forming

CLC Number: 

  • TB332

Fig.1

Flexible needle punching machine"

Fig.2

Needle-punching head. (a) Double cylinder needle-punching head; (b) Single cylinder needle-punching head"

Fig.3

Rotary table"

Tab.1

Parameters of cylinder and servo system"

参数 数值 参数 数值
F 400 N Jm 1.51×10-4 kg·m2
η 0.85 Jg 0.51×10-4和
0.72×10-4 kg·m2
D 40 mm η1 0.9
P 0.5 MPa η2 0.9
Jload <0.9 kg·m2 Tm 2.4 N·m
I 60 和 12 L 20 mm

Fig.4

Hardware composition of PLC control system"

Fig.5

Trajectory planning model of needle-punching"

Fig.6

Program running flow chart of needlpunching subroutine"

Fig.7

Flexible needle punching machine"

Fig.8

Experimental verification of flexible needle punching machine. (a) Needle-punching simulation;(b) Needle-punching experiment"

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