CN103042624B - For the preparation of the fairlead of composite material prefabricated component - Google Patents
For the preparation of the fairlead of composite material prefabricated component Download PDFInfo
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- CN103042624B CN103042624B CN201210577007.0A CN201210577007A CN103042624B CN 103042624 B CN103042624 B CN 103042624B CN 201210577007 A CN201210577007 A CN 201210577007A CN 103042624 B CN103042624 B CN 103042624B
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- fairlead
- prefabricated component
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Abstract
The invention discloses a kind of fairlead for the preparation of composite material prefabricated component.This fairlead includes space network.Apply technical scheme of the present invention, because fairlead comprises space network, matrices of composite material (as resin) is trickled easily via its gap, therefore, the fiber that can make to plant thus the composite material prefabricated component of fairlead braiding fully mixes with matrix in the process of dipping, thus avoids composite material prefabricated component fiber and matrix undercompounding in prior art and have more lacunose technical problem.In addition, because this fairlead can adopt, there is flexible material preparation, so make this fairlead have flexible characteristic, namely can according to the profile of prefabricated component, fairlead is woven into corresponding shape, thus avoids the technical problem adopting the preform structure of existing fairlead braiding single.
Description
Technical field
The present invention relates to technical field of composite preparation, in particular to a kind of fairlead for the preparation of composite material prefabricated component.
Background technology
Composite combines every advantage of matrix material because of it, has the feature of significant mechanical property and lightweight, is therefore widely used in Aero-Space, defence and military, automobile and other industries.Along with the fast development of every profession and trade, require more and more higher to composite property, therefore weave the requirement of manufacturing process to composite material prefabricated component also more and more higher, its requirement can weave large scale, complex-shaped, high-performance, light-weighted prefabricated component.The manufacturing process of current prefabricated component mainly contains orthogonal intertexture method, 3 D weaving method, sews up weave, three-dimensional woven method.
Conventional composite materials does not have fiber to pass through due to interlayer, and easily layering, in order to reach the requirement of thickness, the form that most employing is laminated, but due to more weak interlayer performance, subject to damage after being hit, has mechanical connection hole and the intensity of geometry sudden change place significantly descends degradation weakness, limits its application on main load-carrying member.Three-dimensional woven composite is the composite using three-dimension integrally fabric as reinforcement, developed by a peacekeeping two-dimensional structure, the fiber of three-dimensional structure fabric is not by means of only two dimensional surface, and be interweaved in space by thickness direction, form overall structure, designability is good, overcomes the shortcomings such as poor, the easy layering of Two-dimensional Composites shock resistance simultaneously, there is excellent mechanical property, be widely used in the key areas such as Aero-Space, military project, automobile.
Based on the three-dimensional woven manufacturing process (Chinese Patent Application No. 201110458790.4) of Digitalized guiding template, take fairlead as the prefabricated component interlaminar improvement method for weaving that fulcrum carries out that fairlead bank closes the winding of groove staggered floor, this fairlead is evenly equipped with aperture, resin in fairlead can be flowed out, with fibers mixture along aperture.Guiding die plate is arranged have the fairlead array that equidistant bank closes groove, during braiding, closes groove weaving around fairlead bank.Because fairlead is rigidity round bar shape, the prefabricated component that can weave is single linear pattern in axial shape, and owing to will hole in advance on fairlead, the size and number in hole is restricted, and it is higher to process a large amount of hole costs at fairlead outer circumference surface, not easily implements.Existing guide sleeve hole negligible amounts, causing during dipping only has a small amount of resin to flow out and outer winding fibers mixture along the inner wall hole of fairlead, make after braiding completes, carry out prefabricated component fiber and resin (matrix) undercompounding in dipping process, have more space.
Summary of the invention
The present invention aims to provide a kind of fairlead for the preparation of composite material prefabricated component, to solve composite material prefabricated component fiber and matrix undercompounding in prior art, has more lacunose technical problem.
To achieve these goals, according to an aspect of the present invention, a kind of fairlead for the preparation of composite material prefabricated component is provided.This fairlead includes space network.
Further, also comprise: location division, be arranged on space network.
Further, the appearance profile of fairlead is cylindricality.
Further, location division is for being set in for the preparation of the tubular structure on the guide post of composite material prefabricated component.
Further, tubular structure is arranged on the axial centre of space network.
Further, location division is the locating pin structure of the end being arranged on space network.
Further, the mesh shape of space network is circular, fan-shaped, triangle, rectangle, hexagon or octagon.
Further, the cross section of fairlead is circular, oval or rectangle.
Further, the space network of fairlead cross section is in axial direction all consistent.
Further, the material of fairlead is flexible material.
Apply technical scheme of the present invention, because fairlead comprises space network, matrices of composite material (as resin) is trickled easily via its gap, therefore, the fiber that can make to plant thus the composite material prefabricated component of fairlead braiding fully mixes with matrix in the process of dipping, thus avoids composite material prefabricated component fiber and matrix undercompounding in prior art and have more lacunose technical problem.In addition, because this fairlead can adopt, there is flexible material preparation, so make this fairlead have flexible characteristic, namely can according to the profile of prefabricated component, fairlead is woven into corresponding shape, thus avoids the technical problem adopting the preform structure of existing fairlead braiding single.
Accompanying drawing explanation
Figure of description is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the sectional perspective structural representation of the fairlead according to the present invention one exemplary embodiments; And
Fig. 2 shows the partial enlargement structural representation according to A position in Fig. 1;
Fig. 3 shows the partial structurtes schematic cross-section of the fairlead according to another exemplary embodiments of the present invention; And
Fig. 4 shows the partial structurtes schematic diagram according to the present invention's fairlead of an exemplary embodiments again.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
According to the typical embodiment of the present invention one, as shown in Figure 1, 2, 3, fairlead for the preparation of composite material prefabricated component comprises space network 10, and space network 10 makes the cross section of fairlead be network structure, and the axial space structure of fairlead is also network structure.Apply technical scheme of the present invention, because fairlead comprises space network, matrices of composite material (as resin) is trickled easily via its gap, therefore, the fiber that can make to plant thus the composite material prefabricated component of fairlead braiding fully mixes with matrix in the process of dipping, thus avoids composite material prefabricated component fiber and matrix undercompounding in prior art and have more lacunose technical problem.Preferably, the location division 20 that fairlead is also disposed thereon, wherein, location division 20 is suitable with guide post, for the location of fairlead.
Be convenient to the convenience woven, preferably, the appearance profile of fairlead encloses for cylindricality.The effect of location division 20 is fixed by the guiders such as whole fairlead and guide post, therefore it can be the form that this area adopts usually, preferably, location division 20 is for being set in for the preparation of the tubular structure on the guide post of composite material prefabricated component, and this structure can make fairlead more firmly fix on the guide bar.According to different needs, this tubular structure can be arranged on any part of space network 10, preferably, as shown in Figure 3, be arranged on axial centre, be convenient to control the stable of composite property, certainly, other positions of departing from axial centre can be also arranged on according to actual needs.According to the typical embodiment of the present invention, location division 20 can be the locating pin structure of the end being arranged on space network 10, and this form is installed more for convenience.Location division 20 even also can be the grid that space network 10 is arranged on periphery.The location of fairlead can by connecting fairlead bottom with additional alignment pin (weld or bonding), thus adopt alignment pin to locate on masterplate, also by this fairlead being inserted into the locating hole on guiding die plate, thus fairlead excircle location can be adopted.According to the typical embodiment of the present invention, the mesh shape of space network 10 can comprise various shape, as circular, fan-shaped, triangle, rectangle, hexagon, octagon and other polygon etc., size of mesh opening can adjust according to the structure of prefabricated component, and when network structure contributes to flooding after having woven, resin fully mixes with the axial direction of fiber at fairlead.
According to the typical embodiment of the present invention, the cross section of fairlead is the shapes such as circle, ellipse, rectangle and other curves closed.Fairlead can be that braiding forms, and its appearance profile can be not only rectilinear form, also can be woven into distortion, the various curve shape such as bending according to the shape of prefabricated component.Fairlead cross section is in axial direction all consistent, also can be the non-homogeneous type structure of thickness, and namely the cross section size of fairlead and structure can also can be evenly non-homogeneous.
Preferably, the material of fairlead is flexible material, can according to the profile of prefabricated component, fairlead is woven into the shape consistent with prefabricated component profile, thus the demand of the composite material parts of the diversified shape of satisfied manufacture such as, the profile of prefabricated component can be linearity, also can be distortion, the shape such as bending, as shown in Figure 4.Flexible material is selected from silk and the fiber that wire, carbon fiber, carborundum, quartz fibre, aramid fiber or glass fibre etc. can realize braiding, and the diameter of silk or fibre bundle can be selected as requested.
In order to feature and the making step of detailed description fairlead of the present invention, now illustrate in conjunction with the embodiments.
The selection of the diameter of the fairlead of the present embodiment is only for ease of illustrating the use of architectural feature of the present invention, not as limiting to the invention.
Enumerating a cross-sectional profiles is as shown in Figure 3 that the manufacture method of circular fairlead is as follows:
First, design the cad model of Weaving type fairlead, hierarchical design obtains every layer of two-dimensional section profile information, and the shape of net has triangle, rectangle and other polygon etc.; Bamboo product obtains three-D profile information.
Take up one's knitting from the bottom, first according to the cross section of the sectional view braiding fairlead of design, fiber or wire are wound around, after this layer of all path all completes according to sectional view path, then complete the cross section braiding of one deck, braiding duplicate paths number of times is determined according to the needs of prefabricated component.
The profile of axial space and excircle direction that extend fiber or the wire that are woven by ground floor carry out fairlead again weaves, it is highly the height between adjacent two layers, carry out the braiding of the second layer after axial space and outer circumferential profile have woven again, space and circumference braiding shape have triangle, rectangle and other polygon.Said method is adopted to carry out the braiding of lower one deck " cross section---axial space---excircle-cross section " profile again.Complete the braiding of all layer cross sections and axial space and excircle, obtain Weaving type fairlead.
Be schematic to the description of the present invention and embodiment thereof above, braiding shape and size do not have restricted, and the appearance profile of fairlead can be the various curves of straight line, distortion, bending and profile design according to prefabricated component.
To sum up, fairlead of the present invention is adopted to have following advantage compared with the prefabricated component adopting existing fairlead to weave:
A) cancellated fairlead can promote that the fiber of fairlead periphery in impregnation technology and resin more fully mix and contacts.
B) because fairlead of the present invention can adopt weaving method to make, there is flexible characteristic, can preset when weaving fairlead and be decided to be required shape, also after having woven, according to the shape facility of prefabricated component, fairlead can be bent to different shapes, the flexibility of fairlead makes the shape of the prefabricated component of 3 D weaving can realize variation, overcomes and adopts existing rigidity fairlead to weave the single shortcoming of the preform shape that obtains.
C) because fairlead of the present invention has network structure, become organic whole with prefabricated component network structure, overcome the problem adopting existing rigidity fairlead inconsistent brought with prefabricated component in material, shape etc.
D) because fairlead of the present invention adopts wire or filament braiding to form, compared with employing rigid metal fairlead, lightweight, therefore also mitigate the weight of prefabricated component.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. for the preparation of a fairlead for composite material prefabricated component, it is characterized in that, described fairlead include space network (10), also comprise:
Location division (20), is arranged on described space network (10), and described location division (20) are for being set in for the preparation of the tubular structure on the guide post of composite material prefabricated component.
2. fairlead according to claim 1, is characterized in that, the appearance profile of described fairlead is cylindricality.
3. fairlead according to claim 1, is characterized in that, described tubular structure is arranged on the axial centre of described space network (10).
4. fairlead according to claim 1, is characterized in that, the mesh shape of described space network (10) is circular, fan-shaped, triangle, rectangle, hexagon or octagon.
5. fairlead according to claim 1, is characterized in that, the cross section of described fairlead is circular, oval or rectangle.
6. fairlead according to claim 1, is characterized in that, described fairlead cross section is in axial direction all consistent.
7. fairlead according to claim 1, is characterized in that, the material of described fairlead is flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577007.0A CN103042624B (en) | 2012-12-26 | 2012-12-26 | For the preparation of the fairlead of composite material prefabricated component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210577007.0A CN103042624B (en) | 2012-12-26 | 2012-12-26 | For the preparation of the fairlead of composite material prefabricated component |
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| CN103042624A CN103042624A (en) | 2013-04-17 |
| CN103042624B true CN103042624B (en) | 2015-11-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104388848B (en) * | 2014-12-14 | 2016-08-24 | 机械科学研究总院先进制造技术研究中心 | A kind of method that long fiber reinforcement metal-base composites is prepared in 3D printing |
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| CN200957332Y (en) * | 2006-09-15 | 2007-10-10 | 李向书 | Cylindrical spiral filter net |
| CN101713120A (en) * | 2009-11-27 | 2010-05-26 | 天津工业大学 | Three-dimensional integral weaving method for grid type prefabricated part and product thereof |
| WO2011025268A3 (en) * | 2009-08-27 | 2011-07-07 | 전남대학교산학협력단 | 3-dimensional lattice truss structure composed of helical wires and method for manufacturing the same |
| CN102192396A (en) * | 2010-03-16 | 2011-09-21 | 机械科学研究总院先进制造技术研究中心 | Three-dimensional weaving forming method for composite material |
| CN203046032U (en) * | 2012-12-26 | 2013-07-10 | 机械科学研究总院先进制造技术研究中心 | Guide sleeve for preparing composite material prefabricated member |
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2012
- 2012-12-26 CN CN201210577007.0A patent/CN103042624B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200957332Y (en) * | 2006-09-15 | 2007-10-10 | 李向书 | Cylindrical spiral filter net |
| WO2011025268A3 (en) * | 2009-08-27 | 2011-07-07 | 전남대학교산학협력단 | 3-dimensional lattice truss structure composed of helical wires and method for manufacturing the same |
| CN101713120A (en) * | 2009-11-27 | 2010-05-26 | 天津工业大学 | Three-dimensional integral weaving method for grid type prefabricated part and product thereof |
| CN102192396A (en) * | 2010-03-16 | 2011-09-21 | 机械科学研究总院先进制造技术研究中心 | Three-dimensional weaving forming method for composite material |
| CN203046032U (en) * | 2012-12-26 | 2013-07-10 | 机械科学研究总院先进制造技术研究中心 | Guide sleeve for preparing composite material prefabricated member |
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| CN103042624A (en) | 2013-04-17 |
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