CN208305844U - The curing system of D braided composites cored screw spring - Google Patents
The curing system of D braided composites cored screw spring Download PDFInfo
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- CN208305844U CN208305844U CN201820616028.1U CN201820616028U CN208305844U CN 208305844 U CN208305844 U CN 208305844U CN 201820616028 U CN201820616028 U CN 201820616028U CN 208305844 U CN208305844 U CN 208305844U
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- braided
- cored screw
- curing system
- fiber
- screw spring
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Abstract
The utility model provides a kind of curing system of D braided composites cored screw spring, including columnar internal model and covers on the external mold on the outside of internal model, closed helical space is formed between internal model and external mold；Bar shaped matrix is wrapped in the helical space comprising with core model made of soluble material or fusible material or air bag, and be covered on the core model outer surface use can spin can braided fiber with 3 D weaving craft woven go out three-dimensional woven tube；The helical space is connected with vacuum evacuation device, is also connected with injector.The D braided composites cored screw spring made using the utility model, it has both the existing advantage such as lightweight possessed by composite material helical spring, antifatigue, corrosion-resistant, impact resistance, further improves the performances such as its lightweight, spring rate.
Description
Technical field
The utility model relates to a kind of making apparatus of composite material hollow helical spring.
Background technique
With the progress of industrial technology, composite material is obtained in fields such as aerospace, communications and transportation, machinery, buildings
Extensive use has been arrived, the spring being made from it, including leaf spring, helical spring etc. have also been widely applied in automobile, high-speed rail etc., wherein
Leaf spring due to design, make processing technology is simple and application is more extensive, to improve energy efficiency, lightweight, reducing the life-cycle
Cost etc. achieves larger effect.And helical spring is then due to various factors restriction, relatively slow, the existing production of development
Product and research achievement also do not play the comprehensive advantage of composite material well.
With advances in technology, three dimensional weaving technique has obtained further development, and D braided composites are also gradually gram
The defects of at high cost, long in time limit, production efficiency is low, complex process, unstable performance has been taken, has been realized, receives more and more,
And it plays strong strong mechanical performance, designability, shock resistance, resistant to damage, high temperature resistant, near-net-shape, be suitable for RTM (resin biography
Pass molding) etc. the specialities such as the inexpensive combination process of OoA (non-autoclave), achieve good application effect.
Composite material helical spring can substitute metal coil spring, be widely applied in each industrial circle, have light weight
Change, antifatigue, corrosion-resistant, high temperature resistant the advantages that.However, previous composite material helical spring, is mostly used unidirectional fibre or unidirectional
Fiber is cladded with control of two-dimensional braided cloth or control of two-dimensional braided set production, therefore spring silk is in solid form substantially.General Study thinks, along spring
The fiber in the silk +/- 45 degree of directions in direction may consequently contribute to promote spring performance, and closer to spring silk center, the efficiency of fiber is smaller.
Therefore some helical springs stick woven cloth or control of two-dimensional braided set with certain angle on surface, can partially improve performance and table
Effect is seen, but performance boost is limited, and since there are still mechanical property mismatches between each section, easily divided so can still exist
Layer, the weakness such as impact resistance is poor, the service life is short, and improve process complexity.
Utility model content
The purpose of the utility model is to provide a kind of curing systems of D braided composites cored screw spring, make it
The hollow spring made has both lightweight possessed by composite material helical spring, shock resistance, antifatigue, corrosion-resistant, resistance to
The existing advantage of high temperature, and its lightweight, spring rate performance are higher.
The technical solution adopted in the utility model is as follows:
A kind of curing system of D braided composites cored screw spring, it is characterised in that: including columnar internal model
With cover on the external mold on the outside of internal model, closed helical space is formed between internal model and external mold；
Bar shaped preform is wrapped in the helical space comprising with soluble material or fusible material or air bag system
At core model, and be coated on the core model outer surface use can spin can braided fiber with 3 D weaving craft woven go out
Three-dimensional woven tube；
The helical space is connected with vacuum evacuation device, and matrix can be injected into the helical space by being also connected with
The injector of material；
It further include the temperature-pressure equipment that the three-dimensional woven tube and described matrix material solidification can be integrated.
The curing system of the D braided composites cored screw spring, in which: the fusing point of the fusible material
Higher than the solidification temperature of basis material, and it is lower than the softening temperature of described matrix material.
The curing system of the D braided composites cored screw spring, in which: on the lateral surface of the internal model
And/or the inner surface of the external mold is equipped with spiral helicine forming tank, to form the helical space.
A kind of curing system of D braided composites cored screw spring, it is characterised in that:
It hard core model including helical spring shape and covers and can weave fibre with can spin on hard core model outer surface
The three-dimensional woven tube that dimension is gone out with 3 D weaving craft woven, the three-dimensional woven tube are impregnated with basis material and are coated with isolation material
Material；
It further include the temperature-pressure equipment that the three-dimensional woven tube and described matrix material solidification can be integrated.
The curing system of D braided composites cored screw spring, it is characterised in that:
It hard core model including helical spring shape and covers and can weave fibre with can spin on hard core model outer surface
The three-dimensional woven tube that dimension is gone out with 3 D weaving craft woven；Have and three-dimensional woven tube phase in the surface wrap of the three-dimensional woven tube
The three-dimensional woven tube is fixed on hard core model and constitutes helical spring preform by the ribbon of same material；
It further include that the helical spring preform can be placed in internal gas phase or liquid deposition equipment.
The curing system of the D braided composites cored screw spring, in which: outside the three-dimensional woven tube
Lateral section is square or circle；The inside cross-sectional of the three-dimensional woven tube is square or circle.
The curing system of the D braided composites cored screw spring, in which: described spin can braided fiber
It is carbon fiber, glass fibre, aramid fiber, super strong polyethylene fiber, silicon carbide fibre or silicon nitride fiber.
The curing system of the D braided composites cored screw spring, in which: described matrix material be resin,
Carbon or ceramic matrix material.
The curing system of the D braided composites cored screw spring, in which: the material of the hard core model
It is made with fusible material or soluble material.
By using above-mentioned technical proposal, D braided composites cored screw spring can be smoothly produced,
The performances such as its lightweight, spring rate can be further improved.
Detailed description of the invention
Fig. 1 is the outside drawing of the bar shaped preform of the utility model；
Fig. 2 is the sectional view of the bar shaped preform of the utility model；
Fig. 3 is that bar shaped preform is wound into the structural schematic diagram in internal model by the utility model；
Fig. 4 is the structural schematic diagram that the utility model increases external mold；
Fig. 5 is the schematic diagram for the composite material helical spring with core model that the utility model obtains；
Fig. 6 is the sectional view that helical spring melts the hollow spring obtained after core model；
Fig. 7 is the structural principle of the curing system of D braided composites cored screw spring provided by the utility model
Figure；
Fig. 8 is enlarged drawing at B in Fig. 7；
Fig. 9 is to be shown in the utility model by the structure that hard core model constitutes helical spring shape preform with three-dimensional woven tube
It is intended to；
Figure 10 is that the helical spring shape preform cladding isolated material in Fig. 9 or the cross section after winding of band-type object show
It is intended to；
Figure 11 is the curing system of another D braided composites cored screw spring provided by the utility model
Structure principle chart.
Description of symbols: core model 10；Three-dimensional woven tube 20；Internal model 30；External mold 40；Vacuum evacuation device 50；Space A；It is multiple
Condensation material helical spring 60；Injector 70；Temperature-pressure equipment 75；Hard core model 80；Isolated material 90；Gas phase or liquid deposition
Equipment 99.
Specific embodiment
The utility model provides a kind of production method of D braided composites cored screw spring, preferably real with one
Example is applied to be explained, it includes following steps:
One, using carbon fiber, glass fibre, aramid fiber, super strong polyethylene fiber, silicon carbide fibre, silicon nitride fiber
Etc. can spin can braided fiber, using bar shaped low-melting alloy as core model 10, with 3 D weaving technique on 10 outer surface of core model
Three-dimensional woven tube 20 is knit out, bar shaped preform is constituted with the three-dimensional woven tube 20 with the core model 10；Institute as shown in Figure 1, Figure 2
Show, in the present embodiment, the section of the bar shaped preform is square；
Two, as shown in figure 3, bar shaped preform is wound into internal model 30, wherein the internal model 30 is cylinder,
Spiral helicine interior forming tank is formed on lateral surface, bar shaped preform is wound into internal model 30 along the interior forming tank, and
And the bar shaped preform of a part protrudes from the outer surface of the internal model 30；
Three, as shown in figure 4, increasing external mold 40, the external mold 40 is put together by least two parts, is formed on inner surface
There is outer forming tank corresponding with the interior forming tank of the internal model 30, the interior forming tank of the outer forming tank and the internal model 30 is close
It closes, the bar shaped preform is accommodated in the inner；
Four, the space A that as shown in Figure 7, Figure 8, the outer forming tank and the interior forming tank are formed is connected with vacuum means
50 are set, the space for forming the outer forming tank and the interior forming tank forms vacuum；Under the conditions of vacuum aided, described outer
Injecting resin basis material in the space that forming tank and the interior forming tank are formed, then makes described matrix material by temperature-pressure
Material is cured as composite material helical spring 60 with the three-dimensional woven tube 20；Wherein, the fusing point of the low-melting alloy should be high
In the solidification temperature of basis material；
Five, it opens external mold 40, exit internal model 30, obtain the composite material helical spring 60 as shown in Figure 5 with core model 10；
Six, by heating, so that the core model 10 of 60 center position of composite material helical spring is melted and is flowed out, obtain
D braided composites cored screw spring (section is as shown in Figure 6)；Wherein, the fusing point of the low-melting alloy should be lower than
The softening temperature of basis material after solidification.
Therefore, the utility model additionally provides a kind of D braided composites cored screw used in step 4
The curing system of spring, as shown in Figure 7, Figure 8 comprising columnar internal model 30 and the external mold 40 for covering on 30 outside of internal model, internal model
Spiral helicine interior forming tank is formed on 30 lateral surface, the external mold 40 is put together by least two parts, on inner surface
Form outer forming tank corresponding with the interior forming tank of the internal model 30, the interior molding of the outer forming tank and the internal model 30
Slot can be closely sealed；
Bar shaped preform is wrapped in the interior forming tank of the internal model 30, and be closed in the outer forming tank with it is described
In the space A that interior forming tank is formed comprising with the core model 10 of bar shaped made of low-melting alloy, and use carbon fiber, glass
Glass fiber, aramid fiber, super strong polyethylene fiber, silicon carbide fibre or silicon nitride fiber etc. can spin can braided fiber in the core
The three-dimensional woven tube 20 gone out on 10 outer surface of mould with 3 D weaving craft woven；
The space A that the outer forming tank and the interior forming tank are formed is connected with vacuum evacuation device 50, is also connected with injection
Machine 70 and temperature-pressure equipment 75, the injector 70 can inject the basis materials such as resin, the heating into the space
Pressurized equipment 75 makes described matrix material and the three-dimensional woven tube 20 be cured as composite material helical spring 60.
Wherein, the fusing point of the low-melting alloy should be above the solidification temperature of basis material, and be lower than described matrix material
The softening temperature of material.
In above-described embodiment, the core model 10 can also use soluble material, the material that can be such as dissolved by chemical solvent
Material, water-soluble material etc. can be incited somebody to action by the way that the composite material helical spring 60 with core model 10 to be placed in solvent in step 6
Core model 10 removes.
In addition, the core model 10 can also be air bag, it, can be by core model by further taking out air bag deflation in step 6
10 removals.
Moreover, the utility model also provides the production method of another D braided composites cored screw spring, packet
Containing following steps:
One, as shown in Fig. 9, Figure 11, in the hard core model 80 of helical spring shape, (preferably hollow structure is also possible to reality
Core structure) on surface covering with can spin can the three-dimensional woven tube 20 that is gone out with 3 D weaving craft woven of braided fiber, the hard
Core model 80 and the three-dimensional woven tube 20 constitute helical spring shape preform；
Two, by helical spring shape preform by liquid molding process impregnation matrix material, and as shown in Figure 10, cladding
Isolated material 90 (such as OPP band, vacuum bag or heat-shrink tube)；
Three, by the helical spring shape preform by temperature-pressure carry out curing molding, make basis material with it is described
Three-dimensional woven tube 20 is compound to become composite material helical spring 60；
Four, the isolated material 90 for removing 60 surface of composite material helical spring, obtains the composite material with core model 10
Helical spring 60 (similar as shown in Figure 5)；
Five, hard core model 80 is removed, D braided composites cored screw spring (similar as shown in Figure 6) is obtained.
Correspondingly, the curing system of D braided composites cored screw spring used in above-mentioned production method, also
The helical spring shape preform can be subjected to the temperature-pressure equipment of curing molding (not by temperature-pressure including having
Give diagram).
The utility model also provides the production method of another D braided composites cored screw spring, and it includes such as
Lower step:
One, as shown in Fig. 9, Figure 11, in the hard core model 80 of helical spring shape, (preferably hollow structure is also possible to reality
Core structure) on outer surface covering with can spin can the three-dimensional woven tube 20 that is gone out with 3 D weaving craft woven of braided fiber, it is described hard
Matter core model 80 and the three-dimensional woven tube 20 constitute helical spring shape preform；
Two, solid with being wound with the ribbon of 20 same material of three-dimensional woven tube in the helical spring shape pre-form surface
Fixed (as shown in Figure 10)；
Three, the helical spring preform is placed in gas phase or liquid deposition furnace, passes through gas phase or liquid deposition
Technique deposits compound matrix material (such as carbon or ceramic matrix material) on the three-dimensional woven tube 20, becomes composite material spiral shell
Revolve spring 60；
Four, the compound that the strap on 60 surface of composite material helical spring is formed is removed, the composite wood with core model 10 is obtained
Expect helical spring 60 (similar as shown in Figure 5)；
Five, hard core model 80 is removed, D braided composites cored screw spring (similar as shown in Figure 6) is obtained.
Wherein: it is described spin can braided fiber be carbon fiber, glass fibre, aramid fiber, super strong polyethylene fiber, carbonization
Silica fibre or silicon nitride fiber.Described matrix material is resin, carbon or ceramic matrix material.The material of the hard core model 80 with
Fusible material or soluble material are made.
Correspondingly, the curing system of D braided composites cored screw spring used in above-mentioned production method, such as
Shown in Figure 10, Figure 11, the helical spring preform can be placed in internal gas phase or liquid deposition equipment 99 by also having.
Claims (15)
1. a kind of curing system of D braided composites cored screw spring, it is characterised in that: including columnar internal model with
The external mold on the outside of internal model is covered on, closed helical space is formed between internal model and external mold；
Bar shaped preform is wrapped in the helical space comprising made of soluble material or fusible material or air bag
Core model, and be coated on the core model outer surface use can spin can braided fiber with 3 D weaving craft woven go out three-dimensional
Woven tube；
The helical space is connected with vacuum evacuation device, and basis material can be injected into the helical space by being also connected with
Injector；
It further include the temperature-pressure equipment that the three-dimensional woven tube and described matrix material solidification can be integrated.
2. the curing system of D braided composites cored screw spring according to claim 1, it is characterised in that: institute
The fusing point for stating fusible material is higher than the solidification temperature of basis material, and is lower than the softening temperature of described matrix material.
3. the curing system of D braided composites cored screw spring according to claim 1, it is characterised in that: institute
It states on the lateral surface of internal model and/or the inner surface of the external mold is equipped with spiral helicine forming tank, to form the helical form
Space.
4. the curing system of D braided composites cored screw spring according to claim 1, it is characterised in that: institute
The outer lateral section for stating three-dimensional woven tube is square or circle；The inside cross-sectional of the three-dimensional woven tube is square or circle.
5. the curing system of D braided composites cored screw spring according to claim 1, it is characterised in that: institute
State can spin can braided fiber be carbon fiber, glass fibre, aramid fiber, super strong polyethylene fiber, silicon carbide fibre or silicon nitride
Fiber.
6. the curing system of D braided composites cored screw spring according to claim 1, it is characterised in that: institute
Stating basis material is resin, carbon or ceramic matrix material.
7. a kind of curing system of D braided composites cored screw spring, it is characterised in that:
Hard core model including helical spring shape and cover on hard core model outer surface with can spin can braided fiber with
The three-dimensional woven tube that 3 D weaving craft woven goes out, the three-dimensional woven tube are impregnated with basis material and are coated with isolated material；
It further include the temperature-pressure equipment that the three-dimensional woven tube and described matrix material solidification can be integrated.
8. the curing system of D braided composites cored screw spring according to claim 7, it is characterised in that: institute
The outer lateral section for stating three-dimensional woven tube is square or circle；The inside cross-sectional of the three-dimensional woven tube is square or circle.
9. the curing system of D braided composites cored screw spring according to claim 7, it is characterised in that: institute
State can spin can braided fiber be carbon fiber, glass fibre, aramid fiber, super strong polyethylene fiber, silicon carbide fibre or silicon nitride
Fiber.
10. the curing system of D braided composites cored screw spring according to claim 7, it is characterised in that:
Described matrix material is resin, carbon or ceramic matrix material.
11. the curing system of D braided composites cored screw spring according to claim 7, it is characterised in that:
The material of the hard core model is made with fusible material or soluble material.
12. a kind of curing system of D braided composites cored screw spring, it is characterised in that:
Hard core model including helical spring shape and cover on hard core model outer surface with can spin can braided fiber with
The three-dimensional woven tube that 3 D weaving craft woven goes out；There is material identical as three-dimensional woven tube in the surface wrap of the three-dimensional woven tube
The three-dimensional woven tube is fixed on hard core model and constitutes helical spring preform by the ribbon of matter；
It further include that the helical spring preform can be placed in internal gas phase or liquid deposition equipment.
13. the curing system of D braided composites cored screw spring according to claim 12, it is characterised in that:
The outer lateral section of the three-dimensional woven tube is square or circle；The inside cross-sectional of the three-dimensional woven tube is square or circle.
14. the curing system of D braided composites cored screw spring according to claim 12, it is characterised in that:
It is described spin can braided fiber be carbon fiber, glass fibre, aramid fiber, super strong polyethylene fiber, silicon carbide fibre or nitridation
Silica fibre.
15. the curing system of D braided composites cored screw spring according to claim 12, it is characterised in that:
The material of the hard core model is made with fusible material or soluble material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616028.1U CN208305844U (en) | 2018-04-26 | 2018-04-26 | The curing system of D braided composites cored screw spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616028.1U CN208305844U (en) | 2018-04-26 | 2018-04-26 | The curing system of D braided composites cored screw spring |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823608A (en) * | 2020-06-16 | 2020-10-27 | 北京汽车研究总院有限公司 | Extrusion-injection molding tool and extrusion-injection molding integrated manufacturing method |
| CN113550065A (en) * | 2021-07-09 | 2021-10-26 | 艾柯医疗器械(北京)有限公司 | Braided tube manufacturing method and tool |
| CN113580433A (en) * | 2021-07-20 | 2021-11-02 | 湖南航天环宇通信科技股份有限公司 | Method and mold for integrally molding composite material antenna carbon fiber radiation beam |
| CN114801245A (en) * | 2022-05-13 | 2022-07-29 | 浙江理工大学 | Preparation process of composite material spiral spring |
-
2018
- 2018-04-26 CN CN201820616028.1U patent/CN208305844U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823608A (en) * | 2020-06-16 | 2020-10-27 | 北京汽车研究总院有限公司 | Extrusion-injection molding tool and extrusion-injection molding integrated manufacturing method |
| CN111823608B (en) * | 2020-06-16 | 2022-06-17 | 北京汽车研究总院有限公司 | Extrusion-injection molding tool and extrusion-injection molding integrated manufacturing method |
| CN113550065A (en) * | 2021-07-09 | 2021-10-26 | 艾柯医疗器械(北京)有限公司 | Braided tube manufacturing method and tool |
| CN113580433A (en) * | 2021-07-20 | 2021-11-02 | 湖南航天环宇通信科技股份有限公司 | Method and mold for integrally molding composite material antenna carbon fiber radiation beam |
| CN114801245A (en) * | 2022-05-13 | 2022-07-29 | 浙江理工大学 | Preparation process of composite material spiral spring |
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