CN103160993A - Top conical whole textile reinforcing body composed of multilayer woven fabric - Google Patents
Top conical whole textile reinforcing body composed of multilayer woven fabric Download PDFInfo
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- CN103160993A CN103160993A CN201110412658.XA CN201110412658A CN103160993A CN 103160993 A CN103160993 A CN 103160993A CN 201110412658 A CN201110412658 A CN 201110412658A CN 103160993 A CN103160993 A CN 103160993A
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Abstract
The invention relates to a conical whole textile reinforcing body which is formed by a top part and a body part in a whole consistent mode. Structure of the top part of the conical whole textile reinforcing body is made of a multilayer woven fabric connect connected by coinciding layer and layer through warps. The connecting warps are only arranged between two neighboring layers of sublayers fabric, and achieving connecting of the adjacent layers of sublayers fabric by coinciding with the sublayers fabric in a same longitudinal cross section in a fabric width direction. Due to mutual structural independence of the sublayers, when a superficial layer is damaged, destruction on the top part is not prone to spread to inner layers, and the inner layers still have structural integrity, and thus the conical whole textile reinforcing body can resist abrasion and ablation, and can be widely applied to fields of aviation, aerospace, weapon, civilian use and the like.
Description
Affiliated technical field
The present invention relates to a kind of conical integral fabric reinforcement, specifically a kind of multi-ply fabrics consists of the conical integral fabric reinforcement at top.
Background technology
Conical integral fabric reinforcement belongs to special-shaped fabric, comparatively special in shape, usually has one to bind at the one end; Its common purposes example is for to make the C/C composite material casing with the three-dimensional revolving shell fabric of carbon fiber weaving after Carburization Treatment, compare with traditional metallic article and have good weight loss effect, various performances also all can meet the demands simultaneously, and particularly the application in the solid propellant rocket composite material casing is comparatively extensive in space industry.
Desirable conical integral fabric reinforcement should be able to reach the requirement of following structure and performance: on structure forms, top and body section are continuous overall structure, have between top and body section that yarn as much as possible is coherent to be weaved, and be evenly distributed, certain whole wall thickness is arranged, fiber volume density changes more greatly and everywhere less, and molding surface size is accurate, and its institutional framework is conducive to matrix to the dipping of fabric and compound.
At present, conical integral fabric reinforcement mainly can have following several:
1. adopt woven flat fabric to make revolving shell shape fabric by suitable cutting and reasonable laying; Its major defect is: flat fabric globality after cropped is very poor, and the controllability of laying operation is bad, and the hoop mechanical property of the overall performance of product, especially housing product is weak, difficult quality guarantee.
2. adopt fibre bundle directly to be wound into the conical integral fabric reinforcement of making on mould along hoop, generatrix direction.Its major defect is: without interweaving, make the globality of housing product very poor between longitudinal and transverse fibre bundle, the successively disorderly problem that even comes off that fiber begins from the top layer usually occurs.
3. adopt more than 3 or 3 the uniform loom of annular to weave the conical integral fabric reinforcement that forms centered by formation mould.Its major defect is: the mode that the top of this reinforcement is made up adds in addition.
4. the conical integral fabric reinforcement of being made by 2.5D loom weaving method, its major defect are also that the mode that the top of reinforcement is made up adds in addition.
Summary of the invention
The deficiencies such as the fiber volume fraction uniformity consistency that has the existing product each several part of conical integral fabric reinforcement now is bad in order to overcome, molding surface size poor accuracy, whole mechanical property weakness, difficult quality guarantee the invention provides the conical integral fabric reinforcement that a kind of multi-ply fabrics consists of the top.
the technical scheme that the present invention solves described top cloth technical problem is: the multi-ply fabrics that forms in order to the superimposed mode that connects between layers of warp thread is as the top of conical integral fabric reinforcement, this structure is by connecting warp thread, 2 layers and above sublayer fabric to be connected into the multi-ply fabrics that whole mode consists of on the fabric thickness direction, make and connect warp thread only between two adjacent sublayer fabrics, and be superimposed on mode in same longitudinal cross-section on the fabric width direction with the warp thread with the sublayer fabric, realize the connection to this adjacent sublayer fabric.Wherein, the sublayer fabric is structurally by the warp thread of the special use of this sublayer fabric, the weft yarn of this sublayer fabric to be risen and fallen to form interweaving of mode; Connecting warp thread connects adjacent sublayer fabric and is to rise and fall with the weft yarn to the adjacent sublayers fabric that the mode that interweaves realizes.The top of the conical integral fabric reinforcement that the method forms has following features: coherent number of yarns to body section is more from the top, can obtain the integrated connection intensity of larger top and body section, conical integral fabric reinforcement can effectively improve the mechanical strength of composite and the uniformity of density through after compound, to satisfy final composite material element to intensity and inhomogeneity high request.
The technical scheme that the present invention solves described conical integral fabric reinforcement is: this integral fabric reinforcement structurally is comprised of top and these two parts of body section, the technical scheme of top cloth technical problem as mentioned above, what just emphasize is that the yarn at all tops all reserves and continues to weave the needed length of body section; The technical scheme of body section technical problem can be as described in other prior aries, and for example application number is that 201010291882.3 patent is described, are the fabric of the 2.5D structure strengthened with many laying-in; All warp thread at top, weft yarn and connection warp thread are connected all will become the warp thread of body section consistently, and under for the collaborative participation that reaches other yarn that required specification and density requirements add, form this conical integral fabric reinforcement.
The invention has the beneficial effects as follows: compare with existing product, the fabric construction at conical integral fabric reinforcement, especially top of the present invention can effectively improve the fiber volume fraction at top, and then improves the density of composite; The top of this reinforcement is because of independence on the structure each other of each sublayer in addition, after the damage on top layer, its destruction is difficult to the internal layer diffusion, and internal layer still has structural integrality, the anti-ablation so resistance to wear can be widely used in Aeronautics and Astronautics, weapon and the relevant field such as civilian.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1, Fig. 2 are the longitdinal cross-section diagrams on the top cloth fabric width direction of conical integral fabric reinforcement of the embodiment of the present invention.
Fig. 3 is the superimposed view of the longitudinal cross-section on the top cloth fabric width direction of the embodiment of the present invention.
In figure: the fabric of L1, L2, L3, L4, L5. sublayer; The warp thread of Y1, Y2, Y3, Y4, first group of sublayer fabric of Y5.; Y1 ', Y2 ', Y3 ', Y4 ', Y5 '. the warp thread of second group of sublayer fabric; U1, U2, U3, first group of connection warp thread of U4.; U1 ', U2 ', U3 ', U4 '. second group connects warp thread; A. longitudinal cross-section; B. longitudinal cross-section; C. the longitudinal cross-section is superimposed; Y. the length direction of fabric; Z. the thickness direction of fabric.
The specific embodiment
Further narrate the present invention below in conjunction with embodiment and accompanying drawing thereof, but the present invention is not limited by embodiment:
Embodiment 1
The conical integral fabric reinforcement on the present embodiment side of being top is made of consistently top and this two parts integral body of body section.
The top structure of the present embodiment is integrally-built 5 layers of fabric that 5 sublayer fabric L1, L2, L3, L4, L5 form by thickness, by connecting warp thread, 2 layers and above sublayer fabric to be connected into the multi-ply fabrics that whole mode consists of on the fabric thickness direction, make and connect warp thread only between two adjacent sublayer fabrics, and be superimposed on mode in same longitudinal cross-section on the fabric width direction with the warp thread with the sublayer fabric, realize the connection to this adjacent sublayer fabric.
Top structure can come the diagram narration with Fig. 1,2,3 in detail.In figure, y, z are respectively length and the thickness direction of fabric; Oval symbol in Fig. 1,2,3
Represent weft yarn, the lines in figure represent warp thread and the trend of arranging, namely to weft yarn
Sink-float and the state that interweaves.
In the present embodiment, the raw material of the warp thread weft yarn of multiply cloth is the 6K carbon fiber of Dong Li company, and structure is integrally-built 5 layers of fabric that 5 sublayer fabric L1, L2, L3, L4, L5 form by thickness; The institutional framework of each sublayer fabric is identical, is the 1+1 plain weave.Fig. 3 is the superimposed view C of longitudinal cross-section of a circulation of the 1+1 plain weave structure on the fabric width direction of this embodiment, is to be formed by stacking by Fig. 1, two longitudinal cross-section A, B shown in Figure 2; These two longitudinal cross-section A, B have formed the once circulation of the 1+1 plain weave construction on the fabric width direction, and circulation like this has just formed the fabric of whole width successively; Each sublayer fabric is all that the warp thread by two groups of sublayer fabrics consists of, and the warp thread of first group of sublayer fabric is warp thread Y1, Y2, Y3, Y4, Y5, and the warp thread of second group of sublayer fabric is warp thread Y1 ', Y2 ', Y3 ', Y4 ', Y5 '; Wherein warp thread Y1 and Y1 ' are with the mode of sink-float and the weft yarn of sublayer fabric L1
Interweave and consist of sublayer fabric L1, the weft yarn of warp thread Y2 and Y2 ' and sublayer fabric L2
Interweaving consists of sublayer fabric L2, and the rest may be inferred by analogy for it.These 5 sublayer fabric L1, L2, L3, L4, L5 are consisted of integral multilayer fabric by two groups of warp thread that play connection function between each adjacent sublayer fabric in the superimposed mode that connects between layers of warp thread again; Represented in Fig. 1 that first group connects warp thread, is warp thread U1, U2, U3, U4; Represented in Fig. 2 that second group connects warp thread, is warp thread U1 ', U2 ', U3 ', U4 '; Wherein, first group connect in warp thread warp thread U1 be connected group and connect warp thread U1 ' in warp thread with the mode of sink-float and the weft yarn of sublayer fabric L1 and L2
Interweave, the interlayer that has formed sublayer fabric L1, L2 connects; First group connect in warp thread warp thread U2 be connected group and connect warp thread U2 ' in warp thread with the mode of sink-float and the weft yarn of sublayer fabric L2 and L3
Interweave, the interlayer that has formed sublayer fabric L2, L3 connects; By that analogy, just form the superimposed connecting-type between layers of the warp thread integral multilayer fabric of the present embodiment.
Further, narrate the fabric construction of embodiment from warp opening movement: the warp thread of the arbitrary sublayer fabric two groups of warp thread Y1, Y2, Y3, Y4, Y5 and Y1 ', Y2 ', Y3 ', Y4 ', Y5 ' is made relative harness motion and is realized weft yarn to this sublayer fabric in 1 scope that strides by the plain weave construction rule
Sink-float, around the weft yarn of this sublayer fabric
The cost sublayer that interweaves fabric; Connection warp thread U1, U2, U3, U4 and U1 ', U2 ' between two adjacent sublayer fabrics, U3 ', U4 ' carry out harness motion according to the direction rule that traverse strengthens in company with sublayer fabric warp thread to be realized weft yarn
Sink-float complete the interlayer of adjacent sublayers fabric connected.For example, warp thread Y2, the Y2 ' of the 2nd sublayer fabric L2 makes relative harness motion by the plain weave construction requirement in 1 scope that strides, and realizes the weft yarn to the 2nd sublayer fabric
Sink-float, namely around the weft yarn of the 2nd sublayer fabric
Be woven into the 2nd sublayer fabric L2; Warp thread Y3, the Y3 ' of the 3rd sublayer fabric L3 makes relative harness motion by the plain weave construction requirement in 1 scope that strides, realize the weft yarn to the 3rd sublayer fabric
Sink-float, namely around the weft yarn of the 3rd sublayer fabric
Be woven into the 3rd sublayer fabric L3; Can be corresponding to warp thread Y2, the Y2 ' of sublayer fabric L2, L3, the trend of arranging of Y3, Y3 ' and be equipped with between the 2nd sublayer fabric L2 and the 3rd sublayer fabric L3, carry out harness motion in scope and realize weft yarn to the 2nd and the 3rd sublayer fabric but stride two
Connection warp thread U2, the U2 ' of sink-float, namely this connections warp thread U2, U2 ' according to direction in company with warp thread Y2, Y2 ', Y3, Y3 ' and the rule of traverse increasing carry out the harness motion realization to the 2nd with the connection between layers of the 3rd sublayer fabric.So in weaving process, carry out the motion of other each sublayers fabric L1, L4, L5 and other connection warp thread U1, U1 ', U3, U3 ', U4, U4 ' according to above rule, the 4 layers of warp thread that played connection function between the adjacent sublayers fabric that just form embodiment connect into the integrally-built fabric of being made by 5 sublayer fabrics.Because the arbitrary connection warp thread in fabric is not staggered with the warp thread generation of any sublayer fabric, but with the warp thread by the adjacent sublayers fabric, so on the fabric width direction, the form of actual fabric is respectively connecting warp thread and can partially or completely embed in the warp thread of sublayer fabric in superimposed mode in fabric, can reach the compact arranged purpose of all yarns of fabric warp-wise.
Sum up it, above narration and Fig. 1,2,3 structures with regard to 5 layers of woven fabric of the integral body that represented to form in the superimposed mode that connects between layers of warp thread: by connecting warp thread, 5 sublayer fabrics are connected into 5 layers of woven fabric that whole mode consists of to being used on the fabric thickness direction, make and connect warp thread only between two adjacent sublayer fabrics, and be superimposed on mode in same longitudinal cross-section on the fabric width direction with the warp thread with the sublayer fabric, realize the connection to this adjacent sublayer fabric.Wherein, the sublayer fabric is structurally by the warp thread of the special use of this sublayer fabric, the weft yarn of this sublayer fabric to be risen and fallen to form interweaving of mode; Connecting warp thread connects adjacent sublayer fabric and is to rise and fall with the weft yarn to the adjacent sublayers fabric that the mode that interweaves realizes.
The body section structure of the conical integral fabric reinforcement of the present embodiment is applicable to prior art, and for example can adopt with application number is 201010291882.3 the described body of patent section structure, and its narration is omitted.
Claims (4)
1. conical integral fabric reinforcement, it is characterized in that: the top structure of conical integral fabric reinforcement is to make in order to the multi-ply fabrics that the superimposed mode that connects between layers of warp thread forms, this structure is by connecting warp thread, 2 layers and above sublayer fabric to be connected into the multi-ply fabrics that whole mode consists of on the fabric thickness direction, make and connect warp thread only between two adjacent sublayer fabrics, and be superimposed on mode in same longitudinal cross-section on the fabric width direction with the warp thread with the sublayer fabric, realize the connection to this adjacent sublayer fabric.
2. conical integral fabric reinforcement according to claim 1 is characterized in that: the sublayer fabric of the top structure of conical integral fabric reinforcement is structurally by the warp thread of the special use of this sublayer fabric, the weft yarn of this sublayer fabric to be risen and fallen to form interweaving of mode.
3. conical integral fabric reinforcement according to claim 1 is characterized in that: the connection warp thread of the top structure of conical integral fabric reinforcement connects adjacent sublayer fabric and is to rise and fall with the weft yarn to the adjacent sublayers fabric that the mode that interweaves realizes.
4. conical integral fabric reinforcement according to claim 1, it is characterized in that: the institutional framework of the sublayer fabric of the top structure of conical integral fabric reinforcement is plain weave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412658.XA CN103160993A (en) | 2011-12-13 | 2011-12-13 | Top conical whole textile reinforcing body composed of multilayer woven fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412658.XA CN103160993A (en) | 2011-12-13 | 2011-12-13 | Top conical whole textile reinforcing body composed of multilayer woven fabric |
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| CN103160993A true CN103160993A (en) | 2013-06-19 |
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| CN201110412658.XA Pending CN103160993A (en) | 2011-12-13 | 2011-12-13 | Top conical whole textile reinforcing body composed of multilayer woven fabric |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083606A (en) * | 2017-06-16 | 2017-08-22 | 郑州纤顺新材料科技有限公司 | Quasi- three-dimensional orthogonal binds the manufacture method and the conic fabric that binds of conic fabric |
| CN111910320A (en) * | 2020-07-30 | 2020-11-10 | 南京玻璃纤维研究设计院有限公司 | Multi-piece forming method for plane profiling woven fabric |
-
2011
- 2011-12-13 CN CN201110412658.XA patent/CN103160993A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083606A (en) * | 2017-06-16 | 2017-08-22 | 郑州纤顺新材料科技有限公司 | Quasi- three-dimensional orthogonal binds the manufacture method and the conic fabric that binds of conic fabric |
| CN111910320A (en) * | 2020-07-30 | 2020-11-10 | 南京玻璃纤维研究设计院有限公司 | Multi-piece forming method for plane profiling woven fabric |
| CN111910320B (en) * | 2020-07-30 | 2021-06-11 | 南京玻璃纤维研究设计院有限公司 | Multi-piece forming method for plane profiling woven fabric |
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Application publication date: 20130619 |