CN201354394Y - Three-dimensional fabric with three non-communicated rectangular cross sections - Google Patents

Abstract

The utility model relates to three-dimensional fabric with three non-communicated rectangular cross sections, which is used for solving the structural problem of three-dimensional fabric. The three-dimensional fabric adopts the technical proposal that twist yarns on the cross sections of the fabric are arranged in three squares, wherein the lower two squares share one line of twist yarns, the upper square is symmetrically stacked above the lower two squares, and the left part and the right part of the lower bottom side share one line of twist yarns with the upper bottom sides of the lower two squares; and taking four crossing points of the twist yarns as boundaries, the twist yarns are divided into six sections, each section of twist yarns are interlaced between two layers of crosswise yarns, and two crosswise yarns are mutually connected with two adjacent crosswise yarns at the ends of each section of crosswise yarns. By the three squares, the three-dimensional fabric are woven into a whole body, the three-dimensional fabric can be used as high strength composite section which can bear greater tension force, is particularly suitable for composite sections or tube bundle sections with various fillers added, the production cost is low, and the application is easy.

Description

A kind of cross section is the stereo fabric of three not connected rectangles

Technical field

The utility model relates to the stereo fabric that the woven cross section of a kind of available ordinary two dimensional loom is certain geometrical shape, belongs to textile technology field.

Background technology

The stereo fabric that cross section has a certain geometrical shape is a newcomer in the composite material reinforcement body field (field of textiles), it is light and thick, extending space is very big, whole connectivity is good, fill processing through resin and can form the very high composite of intensity, there is good tension to press, mechanical performance such as shock resistance and anti-interlayer shear, be easy to pass through new material, technological means such as chemical finishing make the physics of product, chemical property is further enhanced and improves, it is defeated a force with a tenderness, with textile material substituted metal and Xylonite goods, can be widely used as Aero-Space, building, fishery, medical treatment, military, industry profile in the fields such as automobile.

In the fabric of stereochemical structure, developed as " ten " word, " T " word, " worker " word, " day " word, sphere of movements for the elephants, the prismatic fabric of " order " word.These three dimensional fabrics are clean shape composite reinforcement, that is the complex profile is exactly the profile of stereo fabric.Scrutinize the fabric of these shapes, can find, they all carry out the zone division according to isometric principle, and promptly horizontal, vertical line segment is with the approximate isometric zone that marks off five equilibrium, and such mentality of designing makes shaped design have certain limitation.As sphere of movements for the elephants type fabric, press approximately equal division quarter anyhow, can only weave square-folded font fabric, and in the composite material for weaving Application Areas, be accompanied by the continuous development of new technology, the fabric that often needs the non-isometric font of some structures, therefore, developing more, the fabric of multiform shape, structure is the problem that textile technology field needs to be resolved hurrily.

In addition, existing stereo fabric, its institutional framework all is to be interwoven by warp thread, weft yarn and vertical yarn, need to adopt the three-dimensional loom of complex and expensive, or weave, cause weaving very inconvenient through the special loom transformed such as many races loom etc., and the also corresponding increase of production cost, be unfavorable for the research and development of stereo fabric, therefore, the obstacle that this has also caused the stereo fabric new construction to be difficult to come out.

Summary of the invention

The purpose of this utility model is that to overcome the defective of prior art and a kind of cross section is provided be the stereo fabric of three not connected rectangles.

Problem described in the utility model realizes with following technical proposals:

A kind of cross section is the stereo fabric of three not connected rectangles, warp thread on its fabric cross section is by three " mouth " word arrangements, wherein, below two shared row warp thread of " mouth " word, above " mouth " word symmetry be stacked in following two " mouth " words top, left and right sides two parts of its bottom respectively with the shared delegation in the last base warp thread of following two " mouth " words; Four intersection points with warp thread are the boundary, and warp thread is divided into six sections, are called A section, B section, C section, D section, E section, F section, and every section warp thread interweaves it in the centre by two-layer weft yarn, and two weft yarns in every section termination link to each other with adjacent two weft yarns respectively.

Above-mentioned cross section is the stereo fabric of three not connected rectangles, and described two-layer weft yarn is a weft yarn interweaving of circulation, and by following path around knitting on warp thread:

Weft yarn head end-A-B-E-D-A-C-E-F-C-B-D-F-A-weft yarn tail end.

Above-mentioned cross section is the stereo fabric of three not connected rectangles, and three " mouth " words forming fabric cross section are square, rectangle, parallelogram or trapezoidal.

The utlity model has three not connected tube chambers that link into an integrated entity, cross section similar " product " font can be used for making the high-strength composite material that can bear big pulling force, is particularly suited for adding the composite material or the tube bundle type material of multiple filler.Owing to have only warp thread and weft yarn in the formation of the present utility model, thereby can utilize common two-dimensional loom to weave, greatly reduce production cost, help the large-area applications of this fabric.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the flattening figure when weaving;

Fig. 3 is the path profile of throwing a spear;

Fig. 4 is a looming draft.

Each label is among the figure: 1, warp thread, 2, weft yarn, 3, the weft yarn head end, 4, the weft yarn tail end, a ₁～a ₆, knit district, S after the flattening ₁～S ₁₈, fabric cross section with knit the corresponding line segment in district, P ₁～P ₁₀, the path of throwing a spear.

The specific embodiment

Referring to Fig. 1, " product " font fabric in the utility model actually should be called class " product " word, and said " product " font is to be connected with each other by three " mouth " words to form.Summit with the common edge of the bottom of top " mouth " word and following two " mouth " words is a separation, the cross section of fabric is divided into 6 sections, these line segments can be divided into three broken lines and three line segments, article three, broken line is respectively: the non-shared lines of lower-left " mouth " word (comprise base, the left side and half top, represent with A among the figure), the non-shared lines of top " mouth " word (comprise left and right limit and top, represent with B among the figure), the non-shared lines (comprise base, the right and half top, represent with C among the figure) of bottom right " mouth " word; Article three, line segment is respectively: the common edge (representing with F among the figure) of the shared lines (representing with E among the figure) of lower-left " mouth " word and the shared lines (representing with D among the figure) of top " mouth " word, top " mouth " word and bottom right " mouth " word, lower-left " mouth " word and bottom right " mouth " word.Each separation all has three lines to be attached thereto.

1 is warp thread among Fig. 1, and 2 is weft yarn, and it is a circulation that weft yarn 2 interweaves each bar broken line and line segment two-layer, and whole fabric is interwoven through a plurality of circulations that interweave by a weft yarn.In one interweaved circulation, each lines formed by the warp thread of two-layer weft yarn in the middle of interweaving, and two weft yarns of each termination of every broken line or line segment link to each other with a weft yarn of adjacent two broken lines or line segment respectively at the separation place, make each section connect into an integral body.

Referring to Fig. 2, when " mouth " when word is square, the ratio of flattening figure first district and other each section length is 2: 1.The flattening figure of this fabric is divided into six and knits the district, with a ₁, a ₂, ... a ₆Represent that these six are knitted the district, then the width ratio in each district is a ₁=2a ₂=2a ₃=2a ₄=2a ₅=2a ₆, each is distinguished the number of plies and is respectively 2,3,4,3,4,2 floor.Each knits line segment in the district by from left to right, top-down order S ₁～S ₁₈Expression for example, is knitted district a ₂Treble cloths is arranged, be positioned at top line segment S ₃The expression upper layer of fabric, S ₄The expression middle level, S ₅Expression lower floor.During looming weaving, this treble cloths is actually to be close to, and promptly thickness is very little.For for the purpose of visual, they have longitudinally been drawn back a segment distance among the figure.

Referring to Fig. 3, the combination of paths of throwing a spear is can guarantee respectively to knit in the district minimum combination that every layer of fabric all inweaves the path of throwing a spear of phase suspension number according to what flattening figure designed, and the circulation that interweaves of one of the utility model comprises ten paths of throwing a spear, with P ₁～P ₁₀Expression.Throw a spear direction shown in arrow among the figure, and the end part of last shuttle is the beginning part of next shuttle.Cast off and get back to the starting point place of first shuttle behind 10 shuttles, end to endly finish a circulation, make each tissue layer form the cross sectional shape that adheres to specification.

Fig. 4 is the looming draft when adopting the ordinary two dimensional loom to weave, it be according to each latitude in the combination of paths of throwing a spear the tissue of knitting district, residing group of floor position and fabric of process, weave the rule drafting by multilayer tissue.The upper left side is a drafting plan among the figure, and the lower left is an organization chart, and the lower right is civilian plate figure.By drafting plan as can be seen, total heddle (heald) number is 16, thereby can adopt the ordinary two dimensional loom to weave.

Claims (3)

1, a kind of cross section is the stereo fabric of three not connected rectangles, it is characterized in that, warp thread on its fabric cross section is by three " mouth " word arrangements, wherein, below two shared row warp thread of " mouth " word, above " mouth " word symmetry be stacked in following two " mouth " words top, left and right sides two parts of its bottom respectively with the shared delegation in the last base warp thread of following two " mouth " words; Four intersection points with warp thread are the boundary, and warp thread is divided into six sections, are called A section, B section, C section, D section, E section, F section, and every section warp thread interweaves it in the centre by two-layer weft yarn, and two weft yarns in every section termination link to each other with adjacent two weft yarns respectively.

2, cross section according to claim 1 is the stereo fabric of three not connected rectangles, it is characterized in that, described two-layer weft yarn is a weft yarn interweaving of circulation, and by following path around knitting on warp thread (1):

Weft yarn head end (3)-A-B-E-D-A-C-E-F-C-B-D-F-A-weft yarn tail end (4).

3, cross section according to claim 1 and 2 is the stereo fabric of three not connected rectangles, it is characterized in that, three " mouth " words forming fabric cross section are square, rectangle, parallelogram or trapezoidal.

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