Large-capacity constant-tension warp letting-off system and yarn distributing method thereof

A technology with constant tension and large capacity, which is applied in textiles, textiles, papermaking, and looms. It can solve the problems of continuous warp feeding, yarn-yarn entanglement and wear, and poor clarity of warp yarn arrangement. Thread abrasion, uniform single yarn tension control, and clear yarn arrangement

Active Publication Date: 2017-05-31
NANJING FIBERGLASS RES & DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing three-dimensional weaving process has problems such as continuous warp let-off, entanglement and wear between yarns, and poor clarity of warp yarn arrangement levels. , rapid prototyping ...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Large-capacity constant-tension warp letting-off system and yarn distributing method thereof
  • Large-capacity constant-tension warp letting-off system and yarn distributing method thereof
  • Large-capacity constant-tension warp letting-off system and yarn distributing method thereof

Examples

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Embodiment 1

[0056] Example 1: Taking the glass fiber panel fabric as an example: the number of warp layers of the preform is 12, the fabric width is 300mm, the warp density of the fabric is 5 threads / cm, the warp specification is 480Tex×1 strand, and the fabric structure is three-dimensionally woven with shallow bends Even fiber layered structure. According to the technical parameter requirements of the panel fabric, the fabric width is 300mm and the fabric warp yarn density is 5 threads / cm, it can be calculated that the required number of warp yarn columns is 300×0.5=150 columns, and the number of warp yarn layers is designed to be 12 layers. The panel fabric needs a total of warp yarns Capacity 12 floors × 150 columns = 1800 pieces.

[0057] According to the design requirements of process parameters, each piece creel realizes the storage and tension control of N (12 layers) × M (56) columns = G (672) warp yarns. Large-capacity constant tension warp let-off system composed of pieced cre...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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PUM

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Abstract

The invention discloses a large-capacity constant-tension warp letting-off system and a yarn distributing method thereof. The large-capacity constant-tension warp letting-off system comprises one or more than one yarn frame, wherein each yarn frame comprises n layers and m rows of yarn storage units. The large-capacity constant-tension warp letting-off system and the yarn distributing method disclosed by the invention have the advantages that the structure is simple and the use is convenient; the yarn distributing method is flexible, can finish combination according to the needs and is strong in adaptability; the space is saved and the warp-yarn arrangement levels are clear; the wearing damage of high-performance fiber is reduced; fast finding and restoration can be realized by observation or infrared detection and the like when yarns are broken; and when the tension is inconsistent in observation, fast finding and correction can be realized; and the operation is fast and convenient and the efficiency is high.

Description

technical field [0001] The invention relates to a large-capacity constant-tension warp let-off system and a yarn laying method thereof, belonging to the field of fabrics. Background technique [0002] The three-dimensional fabric structure is developed on the basis of the 2D fabric structure. The three-dimensional weaving process is the first to develop a multi-layer fiber heavy fabric, which can prepare a plate-shaped preform. However, the existing three-dimensional weaving process has problems such as continuous warp let-off, entanglement and wear between yarns, and poor clarity of warp yarn arrangement levels. , rapid prototyping and continuous manufacturing technology are becoming more and more urgent, and the original three-dimensional woven warp yarn fixed-length preparation method can no longer meet the needs of this field. Therefore, it is necessary to develop a three-dimensional woven fabric large-capacity constant tension warp let-off system and its yarn distribut...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D03D49/16
CPCD03D49/16
Inventor 赵谦郭洪伟张立泉李超
Owner NANJING FIBERGLASS RES & DESIGN INST CO LTD
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