CN104354307A - Multilayer air bag structure and making method thereof - Google Patents
Multilayer air bag structure and making method thereof Download PDFInfo
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- CN104354307A CN104354307A CN201410600419.0A CN201410600419A CN104354307A CN 104354307 A CN104354307 A CN 104354307A CN 201410600419 A CN201410600419 A CN 201410600419A CN 104354307 A CN104354307 A CN 104354307A
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- air bag
- bag structure
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Abstract
The invention relates to a multilayer air bag structure. The structure comprises at least one suction nozzle. The multilayer air bag structure is characterized in that the section of the structure successively comprises a water-soluble material layer or a low temperature soluble material layer, an emulsion layer and a silica gel layer from inside to outside, wherein the emulsion layer and the silica gel layer are tightly combined together. The invention further comprises a making method of the multilayer air bag structure. The multilayer air bag structure and the making method thereof, disclosed by the invention, have the advantages of low production cost, simple and convenient operation, good use effect, and the like, and the structure is not easy to break.
Description
Technical field
The present invention relates to carbon fibre field, particularly a kind of multilayer air bag structure shaping for carbon fibre and preparation method thereof.
Background technology
Carbon fibre composite all has a wide range of applications, as fishing rod, racket, tennis racket, bicycle, wheelchair, medical bed board, aircraft seat etc. in fields such as space flight, aviation, chemical industry, electronics, sports goods, outdoor activities.The topmost advantage of carbon fibre composite is lightweight, and intensity is good, and close property is 1.6g/cm3, is only 1/5 of steel, 3/5 of aluminium.In carbon fiber product moulding process, generally adopt the auxiliary material that nylon airbag is inflated as HTHP, the shaping nylon airbag that generally adopts does auxiliary material, because the fine bicycle of carbon is combined by multiple pipe fitting, thus shaping time need many airduct qi of chong channel ascending adversely, but when air inlet is different between many airducts, have temporal difference, cause mutual extruding between many airducts to cause bursting, thus cause defective products to produce, even scrap.
Wang Jinghui is that to disclose a kind of foaming material of thermal contraction that adopts in the Chinese invention patent " a kind of preparation method of special-shaped shell product of being convenient to be shaped with carbon fibre " of CN101041265A be supporter at publication number, and a kind of at its surface spraying be that the glue material of silica gel is on surface, direct at glue material surface wrap carbon fiber prepreg after being shaped, the preparation method of special-shaped shell will be taken out after formed product finally by HTHP.The main weak point of special-shaped shell that this technique makes is exactly that the tear resistance of silica gel is poor, cracky, in formed product process, easily cause little pinhole leak gas to cause because the product that causes of air pressure deficiency is bad or scrap, foaming material in addition in special-shaped shell is Bao Lilong, this material can be shrunk to granule when shaping, not easily takes out, and need be soaked for a long time and can be taken out by other chemical material, but also cannot take out completely, often will remain thus cause the fine goods of carbon to have different sound to exist.
Chen Jinsong is disclose a kind of latex that adopts in the Chinese invention patent application " a kind of fire resistant latex and preparation method thereof " of CN101012321A to be born as the special-shaped shell of colloidal material at publication number, it is mainly made by the stirring of different proportion formula through with number of chemical material, the weak point of this technique is because the release effect of latex is poor, the fine product with carbon is easily caused to stick together, cause the fine product surface irregularity of carbon simultaneously, not easily take out latex gas to comply with, operate more difficult.
It is disclose a kind of novel double-layer nylon wind pipe in the Chinese invention patent " novel pair of nylon wind pipe " of CN101696732A that Liu Lie newly waits at publication number, that employing two kinds of combination of chemicals form with common nylon airduct difference, this technique is only limitted to the tubular of rule, be not suitable for the fine goods of special-shaped carbon, if product inner surface irregularity after adopting the fine product molding of this nylon wind pipe carbon, fold etc., affect the intensity of the fine goods of carbon, with also not easy to operate during parcel.
The Chinese invention patent application " a kind of novel multiple material machine-shaping airbag " that it is CN 103331899A that Liu Lie newly waits at publication number discloses a kind of novel multiple material machine-shaping airbag, it mainly adopts nylon wind pipe to be made into the stereo shaping structure of 3D, though can make according to the moulding of the fine goods of special-shaped carbon, but because this 3D nylon wind pipe inside does not have supporter, solid support is not had when making parcel, not easy to operate, easily cause the interior pine when prepreg cloth lamination tight outward, cause carbon fine goods internal structure fold, affect intensity.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide that a kind of production cost is low, easy and simple to handle, result of use is good, damaged multilayer air bag structure and preparation method thereof not easily occurs.
For achieving the above object, technical scheme proposed by the invention is: a kind of multilayer air bag structure, comprise at least one suction nozzle, it is characterized in that: described multilayer air bag structure section comprises water soluble material layer or cold soluble material layer, emulsion layer, layer of silica gel from inside to outside successively, and described emulsion layer, layer of silica gel are closely linked.
Preferably, described water-soluble material is polyvinyl alcohol.
Preferably, described cold soluble material is cured.
The present invention also comprises the preparation method of this multilayer air bag structure, it is characterized in that comprising the steps:
Step 1: adopt water-soluble material or cold soluble material to be made into the shell cavity intending the carbon fiber product profile of producing; Described shell cavity is at least provided with a suction nozzle;
Step 2: this shell cavity is penetrated in the latex liquid modulated, until emulsion uniform be attached to the surface of special-shaped shell after take out, dry;
Step 3: the shell cavity being attached with latex after step 2 being dried penetrates in the silica gel liquid modulated, and silica gel is attached on latex equably, and make emulsion layer, layer of silica gel is closely linked; Taking-up is dried, after two glue-line sclerosis, both formed multilayer air bag structure.
Preferably, described water-soluble material is polyvinyl alcohol.
Preferably, described cold soluble material is cured.
Adopt technique scheme, multilayer airbag knot of the present invention, be combined into one by two kinds of glue materials and form, simultaneously by these two kinds of glue materials parcels are special-shaped shells of a kind of water-soluble or cold soluble material, silica gel at that layer of glue material of the fine product into contact of airbag top layer and carbon, mainly playing with carbon fine goods can better peeling effect, can high temperature resistant (more than 150 degree), can guarantee that the outward appearance of the fine article inner surface of carbon can be smooth and smooth-going, also facilitate simultaneously and its auxiliary material are removed smoothly, different sound is had in order to avoid produce, another layer of glue material being wrapped in special-shaped shell surface is in addition latex, there is good tear resistance, air-tightness is good, can high temperature resistant (more than 150 degree) can prevent glue material from having breakage or pin hole, thus avoid the fine goods of leak wind-induced carbon bad or scrap, this two classes glue material is compatible being combined as a whole, can not layering, being placed in emulsion layer nexine is cold soluble material or water-soluble material, can regeneration, has great advantage from cost, also plays the effect of environmental protection simultaneously, then comes also easy in production operation.
Accompanying drawing explanation
Fig. 1 is multilayer air bag structure schematic diagram of the present invention;
Fig. 2 is multilayer air bag structure sectional view of the present invention;
Wherein: 11. layer of silica gel, 12. emulsion layers, 13. aqueous solution material layers or cold soluble material layer, 14. suction nozzles.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 1, multilayer air bag structure, comprises suction nozzle 14, and suction nozzle 14 also can be multiple; Multilayer air bag structure section comprise successively from inside to outside water soluble material layer as or cold soluble material layer 13, emulsion layer 12, layer of silica gel 11, described emulsion layer 12, layer of silica gel 13 are closely linked.Further, described water-soluble material can be polyethylene, and cold soluble material can be cured.
Concrete, this described multilayer air bag structure, embodiment is as follows:
Step 1: adopt water-soluble material or low temperature fusible material to be made into the shell mould shell of profile as carbon fiber product, this water-soluble material with PVAC polyvinylalcohol or other water-soluble macromolecular material, also can wait effect base material with low temperature fusible material as cured; Shell cavity is at least provided with a suction nozzle;
Step 2: this shell cavity is penetrated in the latex liquid modulated, until emulsion uniform be attached to the surface of special-shaped shell after take out, dry;
Step 3: the shell cavity being attached with latex after step 2 being dried penetrates in the silica gel liquid modulated, and silica gel is attached on latex equably, and make emulsion layer, layer of silica gel is closely linked; Taking-up is dried, after two glue-line sclerosis, both formed multilayer air bag structure;
Step 4: carbon fibre initial rinse fabric is successively overlayed air bag structure surface, and air pressure enters from suction nozzle; Because air bag structure outermost layer is silica gel material, under HTHP, fine for carbon goods can not only be resisted against product mold die cavity inner surface equably at the fine goods of carbon, after simultaneously shaping also can successfully with carbon fine goods peel away; Simultaneously owing to also having one deck emulsion layer in the centre of special-shaped shell, it has good tear resistance, can guarantee that shell cavity is not damaged well under the fine goods HTHP of carbon, avoids because the leak gas carbon fibre goods that cause of airbag are bad or scrap;
Step 5: open mould after shaping and carbon fiber product is taken out, owing in this air bag structure being employing water-soluble material or the making of low temperature fusible material, if low temperature fusible material, the low temperature fusible material be contained in air bag structure is fused into liquid by that in the fine product molding process of carbon, is recycled so can directly pour out from suction nozzle; As according to be water-soluble high-molecular material also available water dissolved and recycled, thus reach the object of recycling and reduce costs.
In sum, multilayer air bag structure of the present invention and preparation method thereof, is made up of water soluble material layer or cold soluble material layer, emulsion layer, layer of silica gel; Layer of silica gel and carbon fiber product directly contact mainly to play with carbon fine goods can better peeling effect, can high temperature resistant (more than 150 degree), can guarantee that the outward appearance of the fine article inner surface of carbon can be smooth and smooth-going, also facilitate simultaneously and its auxiliary material are removed smoothly, have different sound in order to avoid produce, emulsion layer has good tear resistance, and air-tightness is good, can high temperature resistant (more than 150 degree) can prevent glue material from having breakage or pin hole, thus avoid the fine goods of leak wind-induced carbon bad or scrap; Inside is water-soluble material or cold soluble material, can regeneration, has great advantage from cost, also plays the effect of environmental protection simultaneously, also easy in production operation.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; in the form and details the present invention is made a variety of changes, be protection scope of the present invention.
Claims (4)
1. a multilayer air bag structure, comprise at least one suction nozzle, it is characterized in that: described multilayer air bag structure section comprises water soluble material layer or cold soluble material layer, emulsion layer, layer of silica gel from inside to outside successively, and described emulsion layer, layer of silica gel are closely linked.
2. a kind of multilayer air bag structure according to claim 1, is characterized in that: described water-soluble material is polyvinyl alcohol.
3. a kind of multilayer air bag structure according to claim 1, is characterized in that: described cold soluble material is cured.
4. a preparation method for the multilayer air bag structure described in the arbitrary claim of claim 1-3, is characterized in that, comprise the steps:
Step 1: adopt water-soluble material or cold soluble material to be made into the shell cavity intending the carbon fiber product profile of producing; Described shell cavity is at least provided with a suction nozzle;
Step 2: this shell cavity is penetrated in the latex liquid modulated, until emulsion uniform be attached to the surface of special-shaped shell after take out, dry;
Step 3: the shell cavity being attached with latex after step 2 being dried penetrates in the silica gel liquid modulated, and silica gel is attached on latex equably, and make emulsion layer, layer of silica gel is closely linked; Taking-up is dried, after two glue-line sclerosis, both formed multilayer air bag structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600419.0A CN104354307B (en) | 2014-10-31 | A kind of multilamellar air bag structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600419.0A CN104354307B (en) | 2014-10-31 | A kind of multilamellar air bag structure and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104354307A true CN104354307A (en) | 2015-02-18 |
| CN104354307B CN104354307B (en) | 2017-01-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881937A (en) * | 2016-05-06 | 2016-08-24 | 昌河飞机工业（集团）有限责任公司 | Integral dual-layer air sac for molding composite materials and production method of the integral dual-layer air sac |
| CN108115948A (en) * | 2017-12-26 | 2018-06-05 | 天津工业大学 | A kind of composite material shaping core and preparation method |
| CN111688237A (en) * | 2020-06-23 | 2020-09-22 | 中国航空制造技术研究院 | Forming method of tubular composite material part with two closed ends |
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|---|---|---|---|---|
| CN1185394A (en) * | 1996-12-20 | 1998-06-24 | Soditech公司 | Method for mfg. of bicycle frame of synthesized material |
| CN101696732A (en) * | 2009-10-26 | 2010-04-21 | 刘烈新 | Novel double-layer nylon wind pipe |
| CN101733886A (en) * | 2008-11-13 | 2010-06-16 | 明安国际企业股份有限公司 | Method for manufacturing composite workpiece with barbs |
| CN101791853A (en) * | 2010-04-02 | 2010-08-04 | 林登龙 | Method for continuously molding special-shaped fiber fittings |
| CN103831978A (en) * | 2012-11-23 | 2014-06-04 | 黄锦标 | Forming method of composite material |
| CN204172379U (en) * | 2014-10-31 | 2015-02-25 | 厦门碳帝复合材料科技有限公司 | A kind of multilayer air bag structure |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1185394A (en) * | 1996-12-20 | 1998-06-24 | Soditech公司 | Method for mfg. of bicycle frame of synthesized material |
| CN101733886A (en) * | 2008-11-13 | 2010-06-16 | 明安国际企业股份有限公司 | Method for manufacturing composite workpiece with barbs |
| CN101696732A (en) * | 2009-10-26 | 2010-04-21 | 刘烈新 | Novel double-layer nylon wind pipe |
| CN101791853A (en) * | 2010-04-02 | 2010-08-04 | 林登龙 | Method for continuously molding special-shaped fiber fittings |
| CN103831978A (en) * | 2012-11-23 | 2014-06-04 | 黄锦标 | Forming method of composite material |
| CN204172379U (en) * | 2014-10-31 | 2015-02-25 | 厦门碳帝复合材料科技有限公司 | A kind of multilayer air bag structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881937A (en) * | 2016-05-06 | 2016-08-24 | 昌河飞机工业（集团）有限责任公司 | Integral dual-layer air sac for molding composite materials and production method of the integral dual-layer air sac |
| CN108115948A (en) * | 2017-12-26 | 2018-06-05 | 天津工业大学 | A kind of composite material shaping core and preparation method |
| CN108115948B (en) * | 2017-12-26 | 2020-09-25 | 天津工业大学 | Composite material forming core mold and preparation method |
| CN111688237A (en) * | 2020-06-23 | 2020-09-22 | 中国航空制造技术研究院 | Forming method of tubular composite material part with two closed ends |
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Denomination of invention: A multilayer air bag structure and its preparation method Effective date of registration: 20210419 Granted publication date: 20170104 Pledgee: Bank of China Limited Xiamen Jimei sub branch Pledgor: XIAMEN CARBONKING COMPOSITES TECHNOLOGY Co.,Ltd. Registration number: Y2021980002751 |