CN201883265U - Irregularly-shaped braided fabric - Google Patents
Irregularly-shaped braided fabric Download PDFInfo
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- CN201883265U CN201883265U CN201020579464XU CN201020579464U CN201883265U CN 201883265 U CN201883265 U CN 201883265U CN 201020579464X U CN201020579464X U CN 201020579464XU CN 201020579464 U CN201020579464 U CN 201020579464U CN 201883265 U CN201883265 U CN 201883265U
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- braiding
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Abstract
The utility model relates to irregularly-shaped braided fabric. The braiding method of the irregularly-shaped braided fabric comprises the steps as follows: the similar figure arrangement of a fabric body is conducted on each braiding yarn forming the irregularly-shaped braided fabric on a braiding machine according to the cross section shape of the irregularly-shaped braided fabric to be braided; in the arrangement, all the braiding yarns are regularly arranged in a staggered lattice manner in vertical and horizontal directions; and then in the subsequent braiding process, the circulation of four steps of upward braiding, downward braiding, leftward braiding and rightward braiding is adopted, and braiding yarns in a same cross row or a same vertical row are displaced and moved one by one, so that a braiding circle is finished in such a manner. As a result, the adjacent relation of each braiding yarn and the surrounding braiding yarns in the irregularly-shaped braided fabric is unchanged, and the braiding yarn is only twisted and wound with the adjacent braiding yarns.
Description
Affiliated technical field
The utility model relates to a kind of three-dimensional braid, specifically is a kind of three-dimensional special-shaped integral weaving thing.
Background technology
More high strength, more high-modulus, more lightweight, more low-cost be the direction of advanced composite material development always.
D braided composites is the important component part of advanced composite material.Advanced composite material has high specific strength and high specific modulus.The desirable generation type of three-dimensional special-shaped integral weaving composite is at first to utilize the 3 D weaving technology to be woven into three-dimensional special-shaped integral weaving thing, also claims three-dimensional preforms, then it is formed with resin molding compound again.Three-dimensional preforms good integrity, fiber are multidirectional network to be handed over around state in the space, and yarn is continuous, and mechanical property is higher, therefore can be in all trades and professions, and especially high-tech sector such as space flight and aviation is used widely.
Desirable three-dimensional special-shaped integral weaving thing should be able to reach following structure and performance demands: the design and the weaving of three-dimensional special-shaped integral weaving thing are convenient and easy; The composition fiber of three-dimensional special-shaped integral weaving thing is arranged by stressed load direction as far as possible, generally becomes parastate with the braided fabric axis, to reduce elongation strain, improves the stretch modulus and the intensity of three-dimensional special-shaped integral weaving thing; The wearing and tearing on the surface of three-dimensional special-shaped integral weaving thing or local damage should not form the diffusion of damage even the disintegration of braided fabric.
At present, the three-dimension integrally braiding owner will form by traditional four step rule 3 D weaving or two step method 3 D weaving.But no matter which kind of, all exist following weak point:
At first, to comprising the special-shaped textile thing of T font or I-shaped etc. complex shape, in design and weaving operation, all exists than difficulty greatly.For example, the knitted body of four step rule is because in forming process, be that the cross section with a complexity resolves into several conventional rectangles, adopts four step rule to weave these unit " splicing " and weaves and form.
Secondly, braided fiber in the braided fabric or yarn, or claim moving yarn, and being not easy to accomplish to be parallel to the braided fabric axis, this does not just accomplish to have made full use of the mechanical properties such as stretch modulus of yarn.For example in the four step rule 3 D weaving, any braiding yarn all will be in knitted body " migration " everywhere, intersect interspersedly each other, always present from the tortuous state of another side of oblique arrival, a side of knitted body; For example in the two step method 3 D weaving, because be interspersed " binding " structure, yarn also becomes tortuous state again.
Moreover, because the braiding yarn of four step rule or two step method knitted body, always be " binding " mode of interting of the state that runs through knitted body, particularly two step method, when making braided fabric generation surface abrasion or local damage, very easily form the diffusion of damage even cause the disintegration of braided fabric.
Summary of the invention
For overcome existing three-dimensional special-shaped integral weaving thing in the design weaving difficulty and braided fiber or yarn be not parallel to the knitted body axis and elongation strain easily, surface abrasion or local damage very easily to the deficiency of other positions diffusions, the utility model provides a kind of three-dimensional special-shaped integral weaving thing.
The technical scheme that its technical problem that solves the utility model adopts is:
Its braid method is, at first according to the shape of cross section of the special-shaped textile thing that will weave, each root braiding yarn that to form the special-shaped textile thing on braiding machine carries out the arrangement of the similar figures of knitted body, and in this arrangement, and all yarns are arranged by the rule of staggered dot matrix in direction in length and breadth.
In the continuation of braiding, adopt the operating procedure of four steps, one circulation up and down then,, pursue the transposition of root braiding yarn and move, finish the braiding of a braiding circulation in such a manner the braiding yarn in same line or the same stringer; Consequently make in the special-shaped textile thing every braiding yarn constant all the time with the neighbouring relations of on every side braiding yarn, with and only with adjacent braiding yarn strand around.
Above-mentioned yarn becomes the rule of staggered dot matrix to be arranged as in direction in length and breadth: the braiding yarn of odd number line is arranged the position between laterally becoming with the braiding yarn of even number line, and the braiding yarn of odd number stringer and the braiding yarn of even number stringer be an arrangement between vertically also becoming.
Above-mentioned employing is the operating procedure of four steps, one circulation up and down, pursuing the mode that the transposition of one thread moves with the yarn of same line or same stringer is meant: the first step, the odd number line replaces to the right by one thread and moves a yarn position, and the even number line replaces left by one thread and moves a yarn position; In second step, the odd number stringer is moved a yarn position by the downward transposition of one thread, and the even number stringer upwards replaces by one thread and moves a yarn position; In the 3rd step, the odd number line replaces left by one thread and moves a yarn position, and the even number line replaces to the right by one thread and moves a yarn position; In the 4th step, the odd number stringer upwards replaces by one thread and moves a yarn position, and the even number stringer is by the mobile yarn position of one thread transposition downwards;
Above-mentioned employing is the operating procedure of four steps, one circulation up and down, pursuing the mode that the transposition of one thread moves with the yarn of same line or same stringer also can be following mode: the first step, the odd number line replaces left by one thread and moves a yarn position, and the even number line replaces to the right by one thread and moves a yarn position; In second step, the odd number stringer is moved a yarn position by the downward transposition of one thread, and the even number stringer upwards replaces by one thread and moves a yarn position; In the 3rd step, the odd number line replaces to the right by one thread and moves a yarn position, and the even number line replaces left by one thread and moves a yarn position; In the 4th step, the odd number stringer upwards replaces by one thread and moves a yarn position, and the even number stringer is by the mobile yarn position of one thread transposition downwards;
With this constantly circulation braiding, just braiding becomes three-dimensional special-shaped integral weaving thing of the present utility model serially.In this braided fabric every braiding yarn is constant all the time with the neighbouring relations that weave yarn on every side, with and only with adjacent braiding yarn strand around, so the arrangement form of braiding yarn has just formed the form of three-dimensional special-shaped integral weaving thing.
On knitted material, the braiding yarn of forming the special-shaped textile thing can be a fiber, also can be the yarn that fiber combinations forms; Can be glass fibre, also can be the various high performance yarns that comprise carbon fiber, aramid fiber or high-strength polyethylene.
The beneficial effects of the utility model are:
Compare with existing traditional three-dimensional special-shaped integral weaving technology, three-dimensional special-shaped integral weaving thing of the present utility model makes its design and weaving become comparatively simple, and because of the parastate that has improved between braided fiber or yarn and the knitted body axis, make fabric be not easy elongation strain and after the surface abrasion of knitted body or local damage its breakage be difficult to inner or other positions diffusions, the mechanical property and the service life of having improved final D braided composites.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the braiding yarn Pareto diagram of the I-shaped braided fabric of the utility model embodiment 1.
Fig. 2 is the braiding yarn Pareto diagram of the T font braided fabric of the utility model embodiment 2.
The specific embodiment
Embodiment 1
Present embodiment is I-shaped braided fabric, is non-twist fiberglass braided the forming of E type of 1200tex by line density.
Its braid method is that at first according to the shape of cross section of the I-shaped braided fabric that will weave, each the root braiding yarn that will form I-shaped braided fabric on braiding machine carries out the arrangement of the similar figures of knitted body.In the present embodiment, the braiding yarn arrays as shown in Figure 1; And in this arrangement, all braiding yarns are arranged by the rule of staggered dot matrix in direction in length and breadth, promptly, the braiding yarn of odd number line and the braiding yarn of even number line position arrangement mode between laterally becoming, the braiding yarn of odd number stringer and the braiding yarn of even number stringer position arrangement mode between vertically also becoming.After so arranging, except I-shaped edge, around the every braiding yarn around arranging four adjacent braiding yarns.
Take up one's knitting with following steps then: the first step, the odd number line of Shuoing from top to bottom replace to the right by one thread and move a yarn position, and the even number line replaces left by one thread and moves a yarn position; In second step, the odd number stringer of Shuoing from left to right moves down a yarn position by one thread, and the one thread yarn position that moves up is pursued in the even number stringer; In the 3rd step, the odd number line replaces left by one thread and moves a yarn position, and the even number line replaces to the right by one thread and moves a yarn position; In the 4th step, the odd number stringer upwards replaces by one thread and moves a yarn position, and the even number stringer is by the mobile yarn position of one thread transposition downwards; So finish the once braiding of circulation.
With this constantly circulation braiding, just braiding serially becomes the I-shaped braided fabric of present embodiment.In this braided fabric every braiding yarn is constant all the time with the neighbouring relations that weave yarn on every side, with and only with adjacent braiding yarn strand around, so the I-shaped arrangement of braiding yarn has just formed I-shaped braided fabric.
Embodiment 2
Present embodiment is a T font braided fabric, is that the PAN base carbon fibre braiding of 12K forms by thickness.
Its braid method is that at first according to the shape of cross section of the T font braided fabric that will weave, each the root braiding yarn that will form T font braided fabric on braiding machine carries out the arrangement of the similar figures of knitted body.In the present embodiment, yarn arrays as shown in Figure 2; And in this arrangement, all yarns are arranged by the rule of staggered dot matrix in direction in length and breadth, promptly, the braiding yarn of odd number line and the braiding yarn of even number line position arrangement mode between laterally becoming, the braiding yarn of odd number stringer and the braiding yarn of even number stringer position arrangement mode between vertically also becoming; After so arranging, except the T glyph edges, around the every braiding yarn around arranging four adjacent braiding yarns.
Take up one's knitting with following steps then: the first step, the odd number line of Shuoing from top to bottom replace to the right by one thread and move a yarn position, and the even number line replaces left by one thread and moves a yarn position; In second step, the odd number stringer of Shuoing is from left to right moved a yarn position by the downward transposition of one thread, and the even number stringer upwards replaces by one thread and moves a yarn position; In the 3rd step, the odd number line replaces left by one thread and moves a yarn position, and the even number line replaces to the right by one thread and moves a yarn position; In the 4th step, the odd number stringer upwards replaces by one thread and moves a yarn position, and the even number stringer is by the mobile yarn position of one thread transposition downwards; So finish the once braiding of circulation.
With this constantly circulation braiding, just braiding serially becomes the T font braided fabric of present embodiment.In this braided fabric every braiding yarn is constant all the time with the neighbouring relations that weave yarn on every side, with and only with adjacent braiding yarn strand around, so the braided fabric that has just formed the T font arranged in the T font of braiding yarn.
Claims (3)
1. special-shaped textile thing is characterized in that: every braiding yarn in the special-shaped textile thing is constant all the time with the neighbouring relations of braiding yarn on every side, with and only with adjacent braiding yarn strand around.
2. special-shaped textile thing according to claim 1 is characterized in that: the yarn of forming the special-shaped textile thing can be a fiber, also can be the yarn that fiber combinations forms.
3. special-shaped textile thing according to claim 1 is characterized in that: the yarn of forming the special-shaped textile thing can be a glass fibre, also can be the various high performance yarns that comprise carbon fiber, aramid fiber or high-strength polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020579464XU CN201883265U (en) | 2010-10-28 | 2010-10-28 | Irregularly-shaped braided fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020579464XU CN201883265U (en) | 2010-10-28 | 2010-10-28 | Irregularly-shaped braided fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201883265U true CN201883265U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020579464XU Expired - Fee Related CN201883265U (en) | 2010-10-28 | 2010-10-28 | Irregularly-shaped braided fabric |
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| CN (1) | CN201883265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306044A (en) * | 2013-06-13 | 2013-09-18 | 宜兴市华恒高性能纤维织造有限公司 | Three-dimensional overall prefabricated body for reinforcing T-shaped section beam |
-
2010
- 2010-10-28 CN CN201020579464XU patent/CN201883265U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306044A (en) * | 2013-06-13 | 2013-09-18 | 宜兴市华恒高性能纤维织造有限公司 | Three-dimensional overall prefabricated body for reinforcing T-shaped section beam |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20111028 |