CN220665570U

CN220665570U - Carbon fiber stretching triaxial ultra-light fabric

Info

Publication number: CN220665570U
Application number: CN202322286165.7U
Authority: CN
Inventors: 李玉强; 李明睿
Original assignee: Shandong Xinruite Composite Material Co ltd
Current assignee: Shandong Xinruite Composite Material Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-26
Anticipated expiration: 2033-08-24

Abstract

The utility model relates to a carbon fiber stretching triaxial ultralight fabric, which is formed by weaving warp yarns, first weft yarns and second weft yarns, wherein the warp yarns, the first weft yarns and the second weft yarns are formed by taking two yarns as one group, and the two adjacent groups are separated by a distance of one yarn width; the projection of the ultra-light fabric comprises a plurality of basic units which are arranged and combined. The fabric structure of the utility model can be formed by arranging a plurality of basic units, so that the fabric structure ensures higher consistency and stability, and simultaneously, the distance between two adjacent groups is set to be one yarn width, so that the use of the yarns is reduced, namely, the use of one yarn is reduced without three yarns, so that the yarns in three directions are reduced in equal proportion for interweaving, the use quantity of the yarns in three directions is reduced, interweaving points and bending points of fiber interweaving are effectively reduced, the smoothness of the fiber is higher, and the tensile mechanical property of the fiber is more excellent.

Description

Carbon fiber stretching triaxial ultra-light fabric

Technical Field

The utility model relates to the field of weaving, in particular to the technical field of carbon fiber weaving, and specifically relates to a carbon fiber stretching triaxial ultra-light fabric.

Background

Because of the excellent performance, the carbon fiber fabric is widely applied to high-end products in the field of motion and the field of aerospace industry, the traditional carbon fiber plane fabric is formed by interweaving two groups of mutually perpendicular yarns in the same plane, the carbon fiber plane fabric has strong tearing resistance only in the direction along the yarns, the capacity of bearing load in most directions is weak, the bending degree of warp and weft yarns woven in the two axial directions is large, the deformation is large when the fabric is loaded, the friction between the warp and weft yarns is frequent, and the service life of the carbon fiber fabric is reduced; most of the patterns of the existing carbon fiber fabrics are planar, the product is single, the stereoscopic effect cannot be achieved, and the requirements of partial users on stereoscopic patterns are difficult to meet.

The Chinese patent application No. CN202011107549.2 discloses a carbon fiber three-dimensional fabric capable of solving the problems, but the fabric has the advantages of large weight, multiple interweaving points, poor smoothness of the fiber and poor tensile mechanical property of the fiber.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the carbon fiber stretched triaxial ultralight fabric, the yarns in three directions are reduced in the same proportion for interweaving while ensuring higher consistency and stability of the fabric structure, the number of yarns in three directions is reduced, interweaving points and bending points of fiber interweaving are effectively reduced, the smoothness of fibers is higher, and the tensile mechanical properties of the fibers are more excellent.

The carbon fiber widening triaxial ultra-light fabric is formed by weaving warp yarns which are the same in width and extend vertically, first weft yarns which incline by-60 degrees and second weft yarns which incline by 60 degrees, wherein the warp yarns, the first weft yarns and the second weft yarns are formed by weaving two yarns serving as one group, and the two adjacent groups are separated by a distance of one yarn width;

the projection of ultralight fabric includes a plurality of braiding groups of arranging vertically along transversely, braiding group includes a plurality of basic units of arranging along vertical in proper order, and two adjacent basic units that correspond in the adjacent two braiding groups are crisscross to be set up.

When the fabric structure is used, the fabric structure can be formed by arranging a plurality of basic units, so that the fabric structure ensures higher consistency and stability, meanwhile, the distance between two adjacent groups is set at intervals of one yarn width, the use of one yarn is reduced, namely, the use of one yarn is reduced without three yarns, so that the equal proportion of the yarns in three directions is reduced for interweaving, the use quantity of the yarns in three directions is reduced, interweaving points and bending points of fiber interweaving are effectively reduced, the smoothness of fibers is higher, and the tensile mechanical property of the fibers is more excellent.

Preferably, the base unit includes a set of warp yarns intersecting at a node, a set of first weft yarns and a set of second weft yarns, the set of second weft yarns are located at the set of first weft yarns and the set of warp yarns, the set of first weft yarns are located at the left side of the set of warp yarns, two units of length intersecting at the node are one unit of length of one warp yarn, one first weft yarn and one second weft yarn, one unit of length of the other warp yarn, the other first weft yarn and the other second weft yarn far away from the node are one unit of length, the widths of the warp yarn, the first weft yarn and the second weft yarn are also one unit of length, the other warp yarn is connected with the one second weft yarn, the other first weft yarn is connected with the one warp yarn, and the other second weft yarn is connected with the one first weft yarn.

This preferred scheme is woven through the setting of basic unit, forms along three axial, has increased the anti tearing ability of carbon fiber fabric, has reduced the crookedness of fibre bundle, has reduced the deformation of carbon fiber fabric, has prolonged the life of carbon fiber fabric, compares simultaneously with ordinary triaxial fabric, and three-dimensional fabric crossing point reduces, and the fibre break point significantly reduces, more does benefit to the resin and soaks, and intensity increases.

The beneficial effects of the utility model are as follows: the woven fabric structure can be formed by arranging a plurality of basic units, so that the woven fabric structure ensures higher consistency and stability, meanwhile, the distance between two adjacent groups of the woven fabric structure is set to reduce the use of yarns, namely, the use of one yarn is reduced without three yarns, so that the yarns in three directions are reduced in equal proportion for interweaving, the use quantity of the yarns in three directions is reduced, interweaving points and fiber interweaving bending points are effectively reduced, the smoothness of fibers is higher, and the tensile mechanical properties of the fibers are more superior.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a base unit;

FIG. 3 is a step a of the knitting method of the present utility model;

FIG. 4 is a step b of the knitting method of the present utility model;

FIG. 5 is step c of the knitting method of the present utility model;

the figure shows:

1. first weft yarn, 2, second weft yarn, 3, warp.

Detailed Description

In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.

Referring to figures 1-5, the carbon fiber widened triaxial ultralight fabric and the weaving method thereof are disclosed, wherein the ultralight fabric is formed by weaving warp yarns which are the same in width and extend vertically, first weft yarns which incline by-60 degrees and second weft yarns which incline by 60 degrees, and the warp yarns, the first weft yarns and the second weft yarns are formed by taking two yarns as one group, and the two adjacent groups are separated by a distance of one yarn width;

The foundation unit comprises a group of warp yarns, a group of first weft yarns and a group of second weft yarns which are intersected at the node, wherein the group of second weft yarns are positioned at the left side of the group of warp yarns, the group of first weft yarns are positioned at the left side of the group of warp yarns, the two unit lengths of one warp yarn, one first weft yarn and one second weft yarn which are intersected at the node are respectively one unit length, the other warp yarn, the other first weft yarn and the other second weft yarn which are far away from the node are respectively one unit length, the widths of the warp yarn, the first weft yarn and the second weft yarn are respectively one unit length, the other warp yarn is connected with the one second weft yarn, the other first weft yarn is connected with the one warp yarn, and the other second weft yarn is connected with the one first weft yarn.

The weaving method of the carbon fiber stretching triaxial ultra-light fabric comprises the following steps:

a. firstly, arranging a plurality of groups of warp yarns in sequence along the transverse direction, wherein the width of one warp yarn is arranged between two adjacent groups of warp yarns, and one warp yarn is positioned at the left side of the other warp yarn in each group of warp yarns;

b. then taking out a plurality of groups of weft yarn first weft yarns inclined by-60 degrees to weave with warp yarns, wherein one first weft yarn is positioned above the other first weft yarns in each group of first weft yarns, and when weaving, the other first weft yarns are positioned below all warp yarns when interweaving with warp yarns, and one first weft yarn is positioned above all other warp yarns and positioned below one first warp yarn when interweaving with warp yarns, so that a semi-finished fabric is formed;

c. then taking out a plurality of groups of weft yarns inclined by 60 degrees, namely second weft yarns, weaving with the semi-finished fabric, wherein one first weft yarn is positioned below the other first weft yarn in each group of second weft yarns, and when one second weft yarn is interwoven with warp yarns during weaving, one second weft yarn is positioned above all warp yarns, and when one second weft yarn is interwoven with the first weft yarn, one second weft yarn is positioned below one first weft yarn; the other second weft yarn is positioned below one warp yarn and above the other warp yarn when interweaving with the warp yarns, and is positioned below all the first weft yarns when interweaving with the first weft yarns.

Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.

Claims

1. The carbon fiber stretching triaxial ultralight fabric is characterized in that: the ultra-light fabric is formed by weaving warp yarns (3) which are the same in width and vertically extend, first weft yarns (1) which incline by-60 degrees and second weft yarns (2) which incline by 60 degrees, wherein the warp yarns, the first weft yarns and the second weft yarns are formed by taking two yarns as one group, and the two adjacent groups are separated by a distance of one yarn width;

2. The carbon fiber stretched triaxial ultra-light fabric according to claim 1, characterized in that: the foundation unit comprises a group of warp yarns, a group of first weft yarns and a group of second weft yarns which are intersected at the node, wherein the group of second weft yarns are positioned at the left side of the group of warp yarns, the group of first weft yarns are positioned at the left side of the group of warp yarns, the two unit lengths of one warp yarn, one first weft yarn and one second weft yarn which are intersected at the node are respectively one unit length, the other warp yarn, the other first weft yarn and the other second weft yarn which are far away from the node are respectively one unit length, the widths of the warp yarn, the first weft yarn and the second weft yarn are respectively one unit length, the other warp yarn is connected with the one second weft yarn, the other first weft yarn is connected with the one warp yarn, and the other second weft yarn is connected with the one first weft yarn.