CN202727355U - Composite workpiece - Google Patents
Composite workpiece Download PDFInfo
- Publication number
- CN202727355U CN202727355U CN 201220268704 CN201220268704U CN202727355U CN 202727355 U CN202727355 U CN 202727355U CN 201220268704 CN201220268704 CN 201220268704 CN 201220268704 U CN201220268704 U CN 201220268704U CN 202727355 U CN202727355 U CN 202727355U
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- composite product
- composite
- prefabricated component
- support frame
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Abstract
The utility model provides a composite workpiece which comprises a plurality of support skeleton pieces which are arranged according to shapes of the composite workpieces. Woven fiber is woven between the outer surfaces of the support skeleton pieces and forms preformed units matching to the shapes of the composite workpieces along with the plurality of support skeleton pieces. A pouring basal body is dipped into the preformed units, solidifies and integrates with the preformed units and forms the composite workpiece. The composite workpiece is woven together with the support skeleton pieces and the woven fiber to the preformed units matching to shapes of composite workpiece to be processed and is dipped without producing defects such as interlaminar deformation and dislocation, thereby increasing interlaminar shear, resist compression and flexure strength and improving whole compactness and stiffness and reliability of the composite workpiece and meet need of main bearing structural components used in aerospace, national defense war industry and the like.
Description
Technical field
The utility model relates to composite processing forming technique field, especially, relates to a kind of composite product.
Background technology
The composite product excellent performance more and more is applied to the high-end fields such as Aero-Space, defence and military, medical science, automobile.At present, the composite three dimensional product structure of common liquid molding is various, but its shortcoming is respectively arranged.
In the sandwich structure, upper and lower panel and fuse link together by bonding and cementing mode, can make whole product lightweight, but can't form reliable overall structure, fuse and panel delamination easily occur, reduce the intensity of composite product;
By woven, knitting, make and the woven three-dimensional woven composite of alternate manner, overall performance is good, but poor for the large prefabricated component dipping effect of thickness, unequal defective usually occurs soaking thoroughly, floods;
The needle tubing that inserts in braiding or after completing lamination that has in the blade manufacturing, then with dippings such as resins, such structure is useful to improving interlaminar shear strength, but when needle tubing inserts to the fiber injury, and then affect the performance of whole composite product.
On the other hand, in the dipping process of traditional liquid manufacturing process, the cast matrix all is progressively to be permeated to prefabricated component inside by outer surface.For large thickness and complex-shaped composite material prefabricated component, often occur infiltration slow, soak thoroughly, the defectives such as dipping is inhomogeneous, dry spot and bubble, whole composite product density is reduced, affect intensity and the performance of whole part, can't satisfy the requirement of the high-quality such as Aero-Space, defence and military and high reliability.Available technology adopting some solutions, for example, the vacuum introducing technology utilizes permeable medium can improve the permeance property of prefabricated component; Process groove at mould, increased the distributed outside channel of cast matrix circulating area, promoted the flowing velocity of cast matrix, yet resin etc. cast matrix still just by the outer surface of prefabricated component to internal flow and infiltration, fine for the prefabricated component effect that shell shape and thickness are smaller, but the prefabricated component large for thickness, that internal structure is complicated produces effects not quite.Also such as, foam and honeycomb sandwich composite are put into prefabricated component with foam and cellular-core, flood together curing molding, loss of weight and the effect that is easy to flood have been played for the large prefabricated component of thickness, but because the part of the fibrage in sandwich material and the prefabricated component is not an integral body, inevitably produce various defectives, such as crackle, come unstuck, weak bonding, layer are separated with layer, the foamed glue cavity, honeycomb core subsides and loosen interfacial separation etc.
The utility model content
The utility model purpose is to provide a kind of composite product, the technical problem that interlayer misplaces, composite product intensity is low easily occurs to solve existing composite three dimensional product.
For achieving the above object, the utility model provides a kind of composite product, comprising: many support frame spares, according to the arrangements of composite product; Braided fiber, the prefabricated component that is woven between the outer surface of support frame spare and is complementary with the common shape that forms with composite product of support frame spare; The cast matrix, impregnated in the prefabricated component and after solidifying with the integrally formed composite product of prefabricated component.
Further, support frame spare is stay pipe.
Further, be provided with a plurality of circulation through holes be used to making liquid cast matrix circulation on the tube wall of stay pipe.
Further, the shape of stay pipe interior shape and external shape and composite product adapts.
Further, the cast matrix is resin-based, Metal Substrate or ceramic base.
The utlity model has following beneficial effect:
The composite product that the utility model provides, jointly be woven into prefabricated component and the dip forming that a shape integral body and composite product to be processed is complementary by support frame spare and braided fiber, can not produce the defectives such as stratified deformation and dislocation, composite interlayer shear strength and resistance to compression and bending strength have been increased, improved the whole density of composite product, and then rigidity and reliability also improve, and adapts to the demand of the main force support structure spares such as Aero-Space and defence and military.
In addition, the composite product that the utility model provides adopts at stay pipe as support frame spare, and at the tube wall of stay pipe a plurality of circulation through holes that make the circulation of cast matrix are set, after the cast matrix is injecting stay pipe, pass the circulation through hole from the inside of stay pipe to external penetration, near the dipping stay pipe braided fiber, and thus to export-oriented depths scattering and permeating, make prefabricated component form integrated dipping, make the dipping of cast matrix even, reduce the defectives such as bubble and dry spot, thereby improve whole density and the intensity of composite product.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.The below is described in further detail the utility model with reference to figure.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the internal cross section structural representation of the composite product of the utility model preferred embodiment;
Fig. 2 is the Facad structure schematic diagram of the stay pipe of the utility model preferred embodiment; And
Fig. 3 be the utility model preferred embodiment stay pipe partly cut open structural representation.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1, the utility model provides a kind of composite product, comprising: many support frame spares 10, and these support frame spares 10 are according to the arrangements of composite product; Braided fiber 30, the prefabricated component that is arranged in layer by layer between the outer surface of support frame spare 10 and is complementary with the common shape that forms with composite product of these support frame spares 10; Cast matrix 50, impregnated in the prefabricated component and after solidifying with the integrally formed composite product of prefabricated component.
Adopt many support frame spares 10 as supporting and shaped structure in the composite product that the utility model provides, arrange braided fiber 30 at the outer surface finger tip of support frame spare 10 layer by layer again, the interlaminar shear strength of composite product is strengthened, overcome the composite product rear yielding defective that is hit, improved the reliability of composite product.
Be the stay pipe of hollow structure in the middle of support frame spare 10 can adopt, because this stay pipe has played the guide effect to establishment fiber 30 simultaneously, also can be called the guide support pipe.Further, better for the dipping effect that makes composite material prefabricated component, be provided with a plurality of circulation through holes 11 be used to making 50 circulations of liquid cast matrix on the tube wall of every stay pipe.In actual braiding process, should note avoiding circulation through hole 11 is blocked as far as possible.
As shown in Figures 2 and 3, the guide support pipe is hollow structure, the interior shape of this guide support pipe and external shape and need the shape of the composite product of preparation to adapt also can be said the shape and structure of the interior shape of guide support pipe and external shape composite product as required and different.The circulation through hole 11 of perforation is set on the tube wall of guide support pipe, and the shape of circulation through hole 11 is any.The position of guide support pipe in composite product and angle also with the shape of composite product with performance requirement and different, the external shape of guide support pipe can be column tube, also can be conical pipe, its interior shape can be also can be taper or cylindricality, can also be corrugated etc.
According to the performance requirement of the composite product that will make, impregnated in cast matrix 50 in the prefabricated component and can be a kind of in the matrixes such as resin-based, Metal Substrate or ceramic base.These materials are known materials, wherein, resin-based is called again the high polymer base, and the high polymer base can divide again thermosetting high polymer base (such as epoxy resin, unsaturated polyester (UP) and polyimides etc.) and thermal plasticity high polymer base (such as various general plastics and polyethers phenol, the contour performance kind of polyphenylene sulfide).High polymer (resin) matrix is used very extensive in composite, and its technical maturity, especially thermosetting high polymer use historical long, but generally can only use below 300 ℃.Metallic matrix is commonly used Al, Mg, Ti etc., and high temperature alloy and refractory metal are also on probation.Their serviceability temperature scope is 400 to 1100 ℃, but technique is still immature.Can also adopt glass-based, ceramic base etc. as cast matrix 50.
The composite product that the utility model provides, jointly be woven into prefabricated component and the dip forming that a shape integral body and composite material prefabricated component to be processed is complementary by stay pipe and braided fiber, avoid the defectives such as stress deformation, composite interlayer shear strength and resistance to compression and bending strength have been increased, improved the whole density of composite product, and then rigidity and reliability also improve, and adapts to the demand of the main force support structure spares such as Aero-Space and defence and military.
In addition, the composite product that the utility model provides arranges a plurality of circulation through holes that make the circulation of cast matrix at the tube wall of stay pipe, after matrix is injecting porous guide support pipe, by the circulation through hole by the inside of porous tubular support to external penetration, near the dipping stay pipe fiber, and thus to the diffusion of export-oriented depths, form the inside and outside integrative dipping.The micropore of stay pipe tube wall has increased resin flow channel, promotes resin flows speed, has shortened the composite material forming time, enhances productivity; While can make the cast matrix flow evenly, and the fiber in the prefabricated component depths also can be impregnated into equably by matrix, has avoided soaking thoroughly, flooded the appearance of the defectives such as inequality and dry spot, has improved impregnating effect.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. a composite product is characterized in that, comprising:
Many support frame spares (10) are according to the arrangements of composite product;
Braided fiber (30), the prefabricated component that is woven between the outer surface of described support frame spare (10) and is complementary with the common shape that forms with described composite product of described support frame spare (10);
Cast matrix (50), impregnated in the described prefabricated component and after solidifying with the integrally formed described composite product of described prefabricated component.
2. composite product according to claim 1 is characterized in that, described support frame spare (10) is stay pipe.
3. composite product according to claim 2 is characterized in that, is provided with a plurality of circulation through holes (11) be used to making liquid described cast matrix (50) circulation on the tube wall of described stay pipe.
4. composite product according to claim 3 is characterized in that, the shape of described stay pipe interior shape and external shape and described composite product adapts.
5. composite product according to claim 3 is characterized in that, described cast matrix (50) is resin-based, Metal Substrate or ceramic base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220268704 CN202727355U (en) | 2012-06-07 | 2012-06-07 | Composite workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220268704 CN202727355U (en) | 2012-06-07 | 2012-06-07 | Composite workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202727355U true CN202727355U (en) | 2013-02-13 |
Family
ID=47653095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220268704 Expired - Lifetime CN202727355U (en) | 2012-06-07 | 2012-06-07 | Composite workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202727355U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354502A (en) * | 2018-03-05 | 2018-08-03 | 九牧厨卫股份有限公司 | A kind of toilet seat and preparation method |
| CN108433627A (en) * | 2018-03-05 | 2018-08-24 | 九牧厨卫股份有限公司 | A kind of preparation method, toilet seat and its production method of toilet seat metal layer |
| CN111990759A (en) * | 2020-07-24 | 2020-11-27 | 浙江圣奥家具制造有限公司 | Table with special-shaped bearing part and manufacturing method of special-shaped bearing part |
| CN114506099A (en) * | 2022-02-23 | 2022-05-17 | 中磁动力设备(深圳)有限公司 | Carbon fiber reinforced composite gear production system and process |
-
2012
- 2012-06-07 CN CN 201220268704 patent/CN202727355U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354502A (en) * | 2018-03-05 | 2018-08-03 | 九牧厨卫股份有限公司 | A kind of toilet seat and preparation method |
| CN108433627A (en) * | 2018-03-05 | 2018-08-24 | 九牧厨卫股份有限公司 | A kind of preparation method, toilet seat and its production method of toilet seat metal layer |
| CN108433627B (en) * | 2018-03-05 | 2024-01-05 | 九牧厨卫股份有限公司 | Preparation method of toilet seat metal layer, toilet seat and production method thereof |
| CN111990759A (en) * | 2020-07-24 | 2020-11-27 | 浙江圣奥家具制造有限公司 | Table with special-shaped bearing part and manufacturing method of special-shaped bearing part |
| CN114506099A (en) * | 2022-02-23 | 2022-05-17 | 中磁动力设备(深圳)有限公司 | Carbon fiber reinforced composite gear production system and process |
| CN114506099B (en) * | 2022-02-23 | 2023-11-07 | 中磁动力设备(深圳)有限公司 | Carbon fiber reinforced composite gear production system and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
|
| CX01 | Expiry of patent term |