CN1821466B - Three-dimensional cylindrical fabric with end frame and its weaving method - Google Patents
Three-dimensional cylindrical fabric with end frame and its weaving method Download PDFInfo
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- CN1821466B CN1821466B CN 200610013328 CN200610013328A CN1821466B CN 1821466 B CN1821466 B CN 1821466B CN 200610013328 CN200610013328 CN 200610013328 CN 200610013328 A CN200610013328 A CN 200610013328A CN 1821466 B CN1821466 B CN 1821466B
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Abstract
The present invention relates to one 3D barreled fabric with end frame and its weaving process. The 3D barreled fabric has integral structure woven in one continuous process and possessing continuous warp yarns and weft yarns. Its weaving process includes the following steps: wefting in spiral winding mode to weave the end frame; adding warp yarn in proper designed parts and further wefting circular weaving until finishing weaving the end frame; and weaving the barrel part in a mold forming plus spiral winding mode. The 3D barreled fabric with end frame has high integrity, high damage tolerance, high impact strength, and other excellent performance.
Description
Technical field
The present invention relates to a kind of three dimensional fabric technology, specifically is a kind of three-dimensional cylindrical fabric and weaving method thereof of band edge frame, and international monopoly Main classification number plan is Int.C1
7D03D 13/00.
Background technology
Three dimensional fabric has particular structure (referring to Fig. 1), has combination properties such as high damage tolerance, shock-resistant, anti-ablation, anti-layering and antifatigue with its reinforced composite materials product.The cylindrical fabric of band edge frame belongs to special-shaped fabric in three dimensional fabric.It has characteristics such as shape is special, performance requirement is high, globality requires, and the application in aerospace field is comparatively extensive.The three-dimensional cylindrical composite product of band edge frame is a kind of three dimensional fabric composite.Its complex structure, different, of a great variety, but most product all adopts end frame and ladle body to make respectively earlier, the two is connected into the manufacturing technology of an integral body again.The end frame of this composite product generally adopts metalwork, and ladle body then is two-dimensional fabric shop layer part or fiber wrap, and the major defect of this forming method is: weight loss effect is poor; Also have to adopt and directly spread the barrel-shaped composite product that layer method is made the band edge frame, the major defect of this forming method is: the interlayer globality of fabric is poor, shop layer operation poor controllability, the fiber volume fraction uniformity and the uniformity of product each several part are relatively poor, influence the overall performance of member, especially the mechanical property weakness between tissue layer, difficult quality guarantee.Therefore, the prefabricated component of the three-dimensional cylindrical composite product of band edge frame is the forming method of the three-dimensional cylindrical fabric of band edge frame, and particularly the globality forming method of three-dimensional prefab fabric or weaving method are one of the key technologies of the three-dimensional cylindrical composite product of band edge frame.Patent documentation " weaving of reinforcement three dimensional fabric " (CN200410014863.0) has been introduced a kind of weaving of reinforcement three dimensional fabric, what solve is the integral weaving problem of non-enclosed shape fabric, what longitude line weaving method wherein solved is that reinforcement does not partly have warp thread, warp thread growth to require one step completed problem, is not suitable for the three-dimensional cylindrical fabric and the weaving method thereof of band edge frame of the present invention.
Summary of the invention
The determine technical problem of three-dimensional cylindrical fabric of quasi-solution of the present invention is, design a kind of three-dimensional cylindrical fabric and weaving method thereof of band edge frame, this fabric is specially adapted to do the prefabricated component of the three-dimensional cylindrical composite product of band edge frame, and have that weight loss effect is good, characteristics such as the fiber volume fraction uniformity of strong, the product each several part of globality and high conformity between tissue layer; This weaving method has simple to operate, the efficient height, and adaptability is strong, makes things convenient for characteristics such as practical application.
The technical scheme that the present invention solves described fabric technology problem is: the three-dimensional cylindrical fabric that designs a kind of band edge frame, this fabric has overall structure, promptly all fabric face variations place particularly the warp thread and the weft yarn of sudden change place all be continuous, fabric is that one-time continuous is weaved and finished.
The technical scheme that the present invention solves described weaving method technical problem is: design a kind of weaving method of three-dimensional cylindrical fabric of band edge frame, it comprises successively: adopt spiral yarn shaped winding method wefting insertion, the end frame part of Woven fabric earlier; All knitting to adding of Fabric Design adds the warp thread operation through a place, continue to adopt described spiral yarn shaped winding method wefting insertion circulation to weave thereafter, partly weaves until the fabric end frame and finishes; Then adopt mould forming method to cooperate the barrel-shaped part of spiral yarn shaped winding method Woven fabric, finish until the fabric integral weaving.
Compared with prior art, weaving method of the present invention will twine method, add through method and three kinds of ingenious combinations of weaving process of mould forming method and apply in the weaving process of the three-dimensional bucket of band edge frame fabric, can realize that the integral of prefabricated component fabric of the three-dimensional cylindrical composite product of band edge frame weaves, having solved the end frame can't moulding, the interlayer poor mechanical property, problems such as shop formable layer poor controllability can obtain loss of weight and reinforced fiber globality to greatest extent simultaneously and guarantee the good effect of fabric quality.The band edge frame three-dimensional cylindrical fabric that the present invention weaved out has premium properties such as good integrity, damage tolerance height, shock-resistant, anti-layering and antifatigue, can be widely used in Aeronautics and Astronautics, weapon and relevant field such as civilian.
Description of drawings
Fig. 1 is the institutional framework schematic diagram of the three-dimensional cylindrical fabric of band edge frame of the present invention;
The schematic diagram of the spiral yarn shaped winding method wefting insertion that Fig. 2 is adopted for the three-dimensional cylindrical fabric weaving method of band edge frame of the present invention;
Partial schematic diagram after the spiral yarn shaped winding method wefting insertion length row spindle displacement that Fig. 3 is adopted for the three-dimensional cylindrical fabric weaving method of band edge frame of the present invention;
Fig. 4 is added schematic diagram through method for what the three-dimensional cylindrical fabric weaving method of band edge frame of the present invention adopted;
The mould 3D solid schematic diagram of the mould forming method that Fig. 5 is adopted for the three-dimensional cylindrical fabric weaving method of band edge frame of the present invention;
Fig. 6 weaves for the three-dimensional cylindrical fabric weaving method of band edge frame of the present invention and holds the adding through a schematic diagram through method that add that frame adopted;
Fig. 7 is the three-dimensional cylindrical fabric embodiment overall structure shape of the band edge frame of the three-dimensional cylindrical fabric of band edge frame of the present invention schematic diagram in kind;
Fig. 8 is the three-dimensional truncated cone fabric embodiment overall structure shape schematic diagram of the band edge frame of the three-dimensional cylindrical fabric of band edge frame of the present invention;
Fig. 9 is the three-dimensional rectangle fabric embodiment overall structure shape schematic diagram of the band edge frame of the three-dimensional cylindrical fabric of band edge frame of the present invention.
The specific embodiment
Further narrate the present invention below in conjunction with embodiment and accompanying drawing thereof, but the present invention is not subjected to the restriction of embodiment:
The three-dimensional cylindrical fabric of band edge frame of the present invention is the general designation of the three dimensional fabric of a class band edge frame, comprises the three-dimensional cylindrical fabric (referring to Fig. 7) of band edge frame, the three-dimensional truncated cone fabric (referring to Fig. 8) of band edge frame, the three-dimensional on-circular cross-section cylindricality fabric (referring to Fig. 9) of band edge frame etc.The three-dimensional cylindrical fabric of this band edge frame also often is called the 3-D abnormal fabric of band edge frame.
No matter the sort of concrete shape, the three-dimensional cylindrical fabric of band edge frame of the present invention all comprises end frame and barrel-shaped two parts, the structure that is characterized in this two parts fabric has globality or says and has overall structure, promptly all fabric face variations place particularly the warp thread and the weft yarn of sudden change place all be continuous, fabric is that one-time continuous is weaved and finished.Therefore, after the 3-D abnormal fabric of this band edge frame of the present invention and the end frame of prior art and barrel-shaped two parts are weaved respectively, connect into as a whole fabric difference again, its globality structure not only can significantly improve sole mass and performance, and can significantly to improve with it be the every performance and the quality of the composite product of prefabricated component.
The structure of the three-dimensional cylindrical fabric of band edge frame of the present invention is class layer-layer orthogonal angle interlock, can be that document is [referring to Yang Caiyun etc., the composite structural design and the novel weaving technology [J] of 3D angle interlock prefabricated component. Donghua University's journal, any in the layer-layer orthogonal angle interlock of inlaid thread of the layer of the layer of the layer 2005,31 (5): 53-581]-layer orthogonal angle interlock or belt material warp-layer orthogonal angle interlock or belt material latitude-layer orthogonal angle interlock or belt material.The fabric 1 that embodiment provides is a layer-layer orthogonal angle interlock (referring to Fig. 1), can determine parameters such as fabric layers, thickness of yarn, yarn raw material according to the thickness that product requires in actual the use.Nine weft yarns 3 on the same horizontal plane of fabric 1 constitute one deck weft yarn, and warp thread 2 has not only participated in and the interweaving of ground floor weft yarn, and participated in and the interweaving of horizontal adjacent layer weft yarn, rely on interweaving of the horizontal adjacent two layers weft yarn 3 of warp thread 2 participations, make each layer warp thread 2 and each layer weft yarn 3 constitute integrally-built described fabric 1.
The weaving method of fabric of the present invention comprises successively: adopt spiral yarn shaped winding method wefting insertion, the end frame part of Woven fabric earlier; All knitting to adding of Fabric Design adds the warp thread operation through a place, continue to adopt described spiral yarn shaped winding method wefting insertion circulation to weave thereafter, finishes until weaving of fabric end frame part; Then adopt mould forming method to cooperate the barrel-shaped part of spiral yarn shaped winding method Woven fabric, finish until the fabric integral weaving.The longitude line weaving method that prior art " weaving of reinforcement three dimensional fabric " adopts, with of the present invention to add what be that longitude line weaving method among the former solves through the method difference be that reinforcement does not partly have warp thread, warp thread to increase the one step completed problem that requires, and of the present invention to add what solve through method be along with the change of sectional dimension is big, warp count diminishes relatively, progressively increases the problem of warp thread sum.
The weaving method of fabric of the present invention can be begun by the end frame of fabric, also is the end frame part 6 (referring to Fig. 7) of first Woven fabric, and then the barrel-shaped part 7 of the Woven fabric that continues, and weaves continuously until the fabric one piece and finishes.Weaving of fabric end frame part can adopt the weaving method of closed shape fabric to weave by minor diameter 8 beginnings.The concrete weaving method of the present invention's design is to adopt spiral yarn shaped winding method to introduce weft yarn, and its concrete operations are as follows:
1. the warp thread of setting circumferential adjacent two row of fabric are one group, and the number of plies of fabric is consistent with warp thread 2 radicals in every row warp thread, and promptly which floor fabric has, and in every row warp thread several warp thread 2 just arranged; Every warp thread 2 links to each other (referring to Fig. 4) with a spindle 4 on the loom, and a row warp thread 2 links to each other with a row spindle 4.The spindle row that the rows of warp thread 2 that can see fabric exterior are connected are defined as long line, as spindle a, b, c, d, the row at e place (referring to Fig. 2,4) are defined as short row with its another circumferentially adjacent row spindle 4, be the row that inner surface can be seen, as a ', b ', c ', d ', the row at e ' place (referring to Fig. 2,4); The structure of fabric 1 is to drive the warp thread 2 that is attached thereto thus by the circumferential relative radial displacement of adjacent two row spindles relatively radially the position is moving and introduce weft yarn 3 and realize warp and weft interweaving, and the expression of 9 among Fig. 4 does not interweave herein.
2. with inner textile layer ground floor opening, introduce weft yarn 3 (referring to Fig. 2) with any place as weaving starting point, the direction of arrow among Fig. 2 represents to introduce the direction of weft yarn, clockwise or counterclockwise twine a circle; Again with the second layer opening of inner textile layer, continue with clockwise or counterclockwise twine second circle; And then, continue by that analogy, to twine the outer surface ground floor of weft yarn 3 from inside to outside successively to fabric 1 with clockwise or counterclockwise twine the 3rd circle again with the 3rd layer of opening of inner textile layer.
3. length row spindle is carried out relative radial displacement, be that long line spindle warp thread moves 2 ingot positions by fabric appearance towards the fabric inner surface radial direction, short row spindle warp thread moves radially 2 ingot positions by the fabric inner surface to fabric exterior, the relative displacement distance is the spacing of 4 spindles, and the result after the displacement as shown in Figure 3; At this moment, a, b, c, d, the row at e place become short row, and a ', b ', c ', d ', the row at e ' place become long line; With the ground floor opening of fabric outer, introduce weft yarn 3 again, twine a circle clockwise or counterclockwise; With the second layer opening of fabric outer, introduce weft yarn 3 again, continue to twine second circle clockwise or counterclockwise; And then, introduce weft yarn with the 3rd layer of opening of fabric outer, and continue to twine the 3rd circle clockwise or counterclockwise, by that analogy, ecto-entad twines the inner surface ground floor (referring to Fig. 3) of weft yarn 3 to fabric successively.
4. repeat described the 3rd step and the 4th step, circulation is weaved.All weaving to adding through putting 5 places promptly adds warp thread operation (referring to Fig. 4,6).What is called adds through point and is meant that Fabric Design need increase warp thread part (referring to the 51-55 among Fig. 4).What is called adds warp thread operation or adds and is meant in existing warp thread through method and requires to add new warp thread according to Dobby Weave Design, thereby increases total radical of warp thread, satisfies the weaving process operation of textile article designing requirement.Be the warp thread of newly adding with adding among Fig. 6 through putting 51 warp thread that link to each other 2.Add the warp thread operation and can guarantee that the warp count at fabric vary in diameter place is consistent with section start, make the warp count uniformity of fabric integral body in other words.
The concrete operation method that adds through method is (referring to Fig. 4): adding through putting the long and short row place of former free time of 5 correspondences, be that a, b, c, d, e and a ', b ', c ', d ', e ' among Fig. 4 locates to add in groups warp thread 2, promptly draw one group of corresponding warp thread 2, comprise long line and short row the group leader row and short the listing at former idle place; Interior one deck warp thread that interior one deck warp thread on the initiate long line and initiate weak point are listed constitutes continuous U type, shown in 51 among Fig. 4, interior two layers of warp thread on the initiate long line constitute continuous U type with the short interior two layers of warp thread that list, shown in 52 among Fig. 4, interior three layers of warp thread on the initiate long line constitute continuous U type with the short interior three layers of warp thread that list, and shown in 53 among Fig. 4, the rest may be inferred, extremely all the warp thread adding finishes, shown in 54 among Fig. 4,55.
5. add after warp thread operation finishes, still adopt described spiral yarn shaped winding method to introduce weft yarn 3, up to finishing weaving of fabric end frame part 6.
6. after having weaved fabric end frame part 6, the employing mould forming method cooperates the barrel-shaped part 7 of spiral yarn shaped winding method continuation Woven fabric, weaves until whole fabric 1 and finishes.
Barrel-shaped part 7 weave the problem of weaving that also belongs to closed shape fabric.The present invention adopts mould forming method to cooperate described spiral yarn shaped winding method to weave.So-called mould forming method is meant all warp thread directly are attached to and carries out woven process on the die surface.Obviously, the core content of mould forming method is exactly core (referring to Fig. 5), and the shape after fabric is made into is same as the outer shape of core, and therefore barrel-shaped part 7 of the present invention is generalized concepts, comprises the cylinder bodily form, cone shape and cuboid etc.Characteristics of the present invention are, adopt mould forming method that all warp thread 2 are attached on the designed mould bus, adopt described spiral yarn shaped winding method to introduce weft yarn 3 then, rely on the relative radial displacement of length row warp thread 2 to finish interweaving through weft yarn, can weave out described barrel-shaped part 7 smoothly, finish the integral weaving of fabric 1.
Fabric of the present invention is owing to adopted weaving method of the present invention, make it have good whole, warp thread and weft yarn in all particularly sudden changes place of fabric face variation place (as end frame and barrel-shaped two-part junction) all are continuous, weave is that one-time continuous is finished, fabric is an one, thereby has premium properties such as good integrity, damage tolerance height, shock-resistant, anti-layering and antifatigue.
Though weaving method of the present invention designs at the three-dimensional cylindrical fabric of band edge frame, but clearly, integral weaving for the three-dimensional cylindrical fabric of band edge frame not is also suitable fully, because its shape and structure is simpler relatively, weaving can be easier, in other words, it can weave described fabric end frame part and directly the barrel-shaped part of Woven fabric get final product.
The present invention does not address part and is applicable to prior art.
Provide specific embodiments of the invention below.
Embodiment 1
Weave and have the three-dimensional cylindrical fabric (referring to Fig. 7) of holding frame.
At first weave end frame part 6.Weaving from minor diameter of end frame part 6 begins, and adopts spiral yarn shaped winding method to introduce weft yarn 3, relies on moving radially of the long and short row of hanging wire spindle, exchanges long and short column position, thereby finishes interweaving through, weft yarn.Carry out along with woven, the diameter of filling space increases gradually, and warp count will diminish gradually.Employing adds through method and adds new warp thread, thereby guarantees that warp count is consistent with section start.Continue to adopt spiral yarn shaped winding method to introduce weft yarn, rely on moving radially of the long and short row of hanging wire spindle, exchange long and short column position, thereby finish interweaving through, weft yarn.So move in circles, up to the width that arrives end frame regulation.Then, use cylindrical die (referring to Fig. 5) to weave barrel-shaped part 7, all warp thread are attached to the generatrix direction of mould, adopt mould forming method to cooperate spiral yarn shaped winding method to continue the cylindrical barrel-shaped part 7 of Woven fabric, have the three-dimensional cylindrical fabric of holding frame up to arriving the length of stipulating, finishing.
Weave the three-dimensional truncated cone fabric (referring to Fig. 8) of band edge frame.
The generatrix direction of the truncated cone fabric among Fig. 8 is a warp thread 2, and circumferencial direction is a weft yarn 3.Weaving with the weaving of three-dimensional cylindrical fabric of embodiment 1 band edge frame of the three-dimensional truncated cone fabric of band edge frame compared, and weaving of end frame part 6 is identical, repeats no more.But the barrel-shaped part 7 of the two is different.
The weaving method of the barrel-shaped part 7 of the three-dimensional truncated cone fabric of band edge frame is, at first, all warp thread 2 is attached on the generatrix direction of truncated cone mould, adopts described mould forming method to cooperate spiral yarn shaped winding method to weave the barrel-shaped part of described fabric.Weave from minor diameter and begin, carry out along with woven, the diameter of the barrel-shaped part of described fabric increases gradually, and warp count will diminish gradually.Employing adds through method and adds new warp thread 2, thereby guarantees that warp count is consistent with the fabric section start.Adopt mould forming method to cooperate spiral yarn shaped winding method to continue the barrel-shaped part of the frustum of a cone of Woven fabric again, so move in circles,, finish the three-dimensional truncated cone fabric of band edge frame up to the length that arrives described barrel-shaped part regulation.
Weave the three-dimensional rectangle fabric (referring to Fig. 9) of band edge frame.
The end frame part 6 of the three-dimensional rectangle fabric of band edge frame is same as embodiment 1 with weaving of barrel-shaped part 7, is not both the mould that described mould forming method uses and is cuboid.
Claims (3)
1. the three-dimensional cylindrical fabric of a band edge frame, this fabric has overall structure, and promptly warp thread and the weft yarn in all fabric face variations place all is continuous, and fabric is that one-time continuous is weaved and finished.
2. the three-dimensional cylindrical fabric of band edge frame according to claim 1 is characterized in that warp thread and the weft yarn in all fabric face sudden changes place all is continuous.
3. weaving method of the three-dimensional cylindrical fabric of band edge frame as claimed in claim 1 or 2, it comprises successively: adopt spiral yarn shaped winding method wefting insertion, the end frame part of Woven fabric earlier; All knitting to adding of Fabric Design adds the warp thread operation through a place, continue to adopt described spiral yarn shaped winding method wefting insertion circulation to weave thereafter, partly weaves until the fabric end frame and finishes; Then adopt mould forming method to cooperate the barrel-shaped part of spiral yarn shaped winding method Woven fabric, finish until the fabric integral weaving.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610013328 CN1821466B (en) | 2006-03-20 | 2006-03-20 | Three-dimensional cylindrical fabric with end frame and its weaving method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610013328 CN1821466B (en) | 2006-03-20 | 2006-03-20 | Three-dimensional cylindrical fabric with end frame and its weaving method |
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| CN1821466A CN1821466A (en) | 2006-08-23 |
| CN1821466B true CN1821466B (en) | 2010-12-08 |
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| CN 200610013328 Expired - Fee Related CN1821466B (en) | 2006-03-20 | 2006-03-20 | Three-dimensional cylindrical fabric with end frame and its weaving method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373527A (en) * | 2010-08-23 | 2012-03-14 | 常州市郑陆特种纺机专件有限公司 | Plain weave three-dimensional multilayer cylindrical or cylindrical special-shaped braided fabric |
| CN102560877B (en) * | 2012-02-15 | 2013-11-06 | 阚玉华 | Weaving method for top sealing fabric |
| CN115369539B (en) * | 2022-08-29 | 2024-01-23 | 华南理工大学 | Woven inhaul cable and manufacturing method thereof |
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2006
- 2006-03-20 CN CN 200610013328 patent/CN1821466B/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| JP平7-216684A 1995.08.15 |
| JP特开2000-328392A 2000.11.28 |
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