Processing method and device for stretching fibers and yarns or products of stretching fibers and yarns based on 3D printing and application thereof

A 3D printing and processing device technology, applied in manufacturing, additive processing, liquid material additive processing, etc., can solve problems such as application limitations and structural instability, and achieve the effect of saving manpower, high production efficiency, and stable structure

Active Publication Date: 2018-07-06
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Patents US2011 / 0039088A1 and US2011 / 0209557A1 also propose a negative Poisson’s ratio yarn structure very similar to patent WO2007 / 125352A1. Patent US2011 / 0039088A1 proposes a moisture-sensitive auxetic yarn, although this auxetic yarn can It is used in the field of comfortable clothing, but its application is also limited due to the unstable structure

Method used

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  • Processing method and device for stretching fibers and yarns or products of stretching fibers and yarns based on 3D printing and application thereof
  • Processing method and device for stretching fibers and yarns or products of stretching fibers and yarns based on 3D printing and application thereof
  • Processing method and device for stretching fibers and yarns or products of stretching fibers and yarns based on 3D printing and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Example 1 Preparation of concave hexagonal auxetic yarn

[0069] The auxetic geometrical shape of the discharge port 32 is a concave hexagon, such as figure 2 As shown in (a), the cross-sectional shape of the fibrous monofilament constituting the auxetic yarn is a concave hexagon, such as figure 2 As shown in (a), the auxetic structural unit of the macroscopic structure of the auxetic yarn surface is also a concave hexagon, such as Figure 5 (a) shown.

[0070] The processing method of the above-mentioned auxetic yarn based on 3D printing is:

[0071] The three-dimensional model of the auxetic yarn designed by the solidworks three-dimensional model design software is sliced ​​and then imported into the control unit by the USB interface 13 of the data input and control mechanism 1, and the printing parameters (printing speed) are set through the operation panel 12 and the display screen 14. 10mm / s, melting temperature 205°C, hot bed temperature 50°C).

[0072] PLA ...

Embodiment 2

[0074] Example 2 Preparation of star-shaped auxetic yarn

[0075] The auxetic geometrical shape of discharge port 32 is concave hexagon and star, such as figure 2 As shown in (a) and 2(b), the cross-sectional shape of the fibrous monofilament constituting the auxetic yarn is concave hexagonal and star-shaped, such as figure 2 As shown in (a) and 2(b), the auxetic structural units of the macroscopic structure of the auxetic yarn surface are star-shaped, such as Figure 5 (b) shown.

[0076] The 3D model of the auxetic yarn designed by the solidworks 3D model design software is sliced ​​and then imported into the control unit through the data input and control mechanism data input and the USB interface 13 of the control mechanism 1, and is set through the operation panel 12 and the display screen 14. Printing parameters (printing speed is 30mm / s, melting temperature is 205°C, hot bed temperature is 50°C).

[0077] PLA is selected as the printing material 35, and the PLA ent...

Embodiment 3

[0079] Example 3 Preparation of Double Arrowhead Auxetic Yarn

[0080] The auxetic geometrical shape of discharge port 32 is a star shape, such as figure 2 As shown in (b), the cross-sectional shape of the fibrous monofilament constituting the auxetic yarn is star-shaped, such as figure 2 As shown in (b), the auxetic structural unit of the macroscopic structure of the auxetic yarn surface is a double arrow shape, such as Figure 5 (c) shown.

[0081] The 3D model of the auxetic yarn designed by the solidworks 3D model design software is sliced ​​and then imported into the control unit through the data input and control mechanism data input and the USB interface 13 of the control mechanism 1, and is set through the operation panel 12 and the display screen 14. Printing parameters (printing speed is 20mm / s, melting temperature is 230°C, hot bed temperature is 52°C).

[0082] TPU is selected as the printing material 35, and the TPU enters the nozzle 33 of the extrusion moldi...

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Abstract

The invention provides a processing method and device for stretching fibers and yarns or products of the stretching fibers and the yarns based on 3D printing and an application thereof. The processingdevice for the stretching fibers and the yarns or the products of the stretching fibers and the yarns based on 3D printing is characterized in that the processing device comprises an extrusion forming mechanism used for melting printed materials and further extruding the printed materials out of a discharging outlet with a stretching geometric structure, a receiving mechanism used for receiving the molten materials extruded by the extrusion forming mechanism and gradually stacking the molten materials to form the required stretching fibers and the yarns or the products of the stretching fibers and the yarns, a printing drive control mechanism used for driving the extrusion forming mechanism and the receiving mechanism to move so as to complete stretching yarn 3D printing forming, and a data input and control mechanism. The fibers, yarns, laid fabric and non-woven cloth printed through the method and device can all be subjected to stretching reactions.

Description

technical field [0001] The invention relates to a processing method, device and application of auxetic fiber and its products, especially a method and equipment for preparing auxetic fiber and its products by improving a 3D printer, belonging to the field of textile science and technology. Background technique [0002] Auxetic fiber has the property of axial elongation, its cross-section becomes thicker, or axial compression, its cross-section shrinks; it is also called negative Poisson's ratio fiber. Due to the fact that the cross-section of the traditional fiber is solid, or cylindrical hollow or other pores, the focus is on the change of the cross-section and the change of the geometric shape, and no attention has been paid to the change of the cross-section shape, so the traditional fiber is a positive Poisson’s ratio fiber. The negative Poisson's ratio fiber is significantly different from the traditional positive Poisson's ratio fiber in terms of mechanical properties,...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): B29C64/20B29C64/106B33Y30/00B33Y10/00D02G3/32
CPCB33Y10/00B33Y30/00D02G3/32
Inventor杜赵群陈俊丽何玲娥仵玉芝张明月龚占江邵青青李涵余卫东马明英
OwnerDONGHUA UNIV