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Negative Poisson's specific heat setting device and method for warp-knitted spacer fabric

A technology of warp-knitted spacer fabrics and setting devices, applied in the directions of fabric surface trimming, heating/cooling fabrics, textiles and papermaking, etc., to achieve simple operation, adjustable effect and remarkable effect

Active Publication Date: 2019-11-26
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this special negative Poisson's ratio shaping device is in a blank state in the current research and market fields.

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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  • Negative Poisson's specific heat setting device and method for warp-knitted spacer fabric
  • Negative Poisson's specific heat setting device and method for warp-knitted spacer fabric
  • Negative Poisson's specific heat setting device and method for warp-knitted spacer fabric

Examples

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Effect test

Embodiment 1

[0026] The warp knitted spacer fabric negative Poisson's ratio heat setting device of embodiment one of the present invention, as Figure 4 As shown, the warp knitted spacer fabric negative Poisson's ratio heat setting device includes a cloth inlet area, a heat setting area and a cloth outlet area. The heat-setting zone includes three pairs of rollers 1 of the same size and a plurality of splints 2, each pair of rollers is gear-shaped and arranged on the same level with the same interval distance, and a plurality of splints 2 are respectively located on each pair Between the rollers, the transmission channel of the warp-knitted spacer fabric is formed, and the warp-knitted spacer fabric enters the vertical interval of each pair of rollers through the splint 2, and the gear engagement of the rollers causes the spacer yarns of the warp-knitted spacer fabric to fall , thus being compressed in the thickness direction, please refer to the specific structure schematic diagram Figu...

Embodiment 2

[0032] The second embodiment provides a method for warp-knitted spacer fabrics having a negative Poisson's ratio. The warp-knitted spacer fabrics are passed into the warp-knitted spacer fabric negative Poisson's ratio heat-setting device as described in the first embodiment.

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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Abstract

The invention provides a warp-knitted spacer fabric negative poisson ratio heat molding device and a method, which belong to the field of textile machinery. The device comprises three pairs or more rollers with consistent sizes and a plurality of clamping plates. Each pair of rollers is in a gear shape and is sequentially arranged on the same level at an equal interval; the clamping plates are located between each pair of rollers, so that a warp-knitted spacer fabric conveying channel is formed and is applicable to a warp-knitted spacer fabric common in the market. In a heat molding device, aperpendicular distance between each pair of rollers, a space between each pair of rollers, a clamping space between each two clamping plates, and the rotary speed of each pair of rollers are adjusted,so that the device has high adaptability, can adapt to warp-knitted spacer fabrics with different thicknesses, and can adjust molding parameters according to differences of required performances; theheat molding device is simple to operate, remarkable and adjustable in negative poisson ratio effect, easy to control cost, and high in industrialization feasibility.

Description

technical field [0001] The invention relates to a negative Poisson's specific heat setting device and method for warp-knitted spacer fabrics, belonging to the field of textile machinery. Background technique [0002] Conventional materials typically exhibit a positive Poisson's ratio, meaning that the material narrows perpendicular to the stretching direction when stretched and widens perpendicular to the stretching direction when compressed. Negative Poisson's ratio materials, also known as auxetic materials, are opposite to positive Poisson's ratio materials. When stretched, the material becomes wider perpendicular to the stretching direction, and when compressed, the material becomes narrower perpendicular to the compression direction. Generally, the range of Poisson's ratio possible for homogeneous isotropic materials is -1 to 0.5, while the range of Poisson's ratio for anisotropic solid materials may be larger. The Poisson's ratio of most metal materials is between 0.2...

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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Patent Type & Authority Patents(China)
IPC IPC(8): D06C7/02
CPCD06C7/02
Inventor 马丕波蒋高明缪旭红万爱兰陈晴丛洪莲常玉萍
Owner JIANGNAN UNIV
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