CN105690800A - Low-cost production device and technology of thin-wall composite material skin structural member - Google Patents
Low-cost production device and technology of thin-wall composite material skin structural member Download PDFInfo
- Publication number
- CN105690800A CN105690800A CN201610262984.XA CN201610262984A CN105690800A CN 105690800 A CN105690800 A CN 105690800A CN 201610262984 A CN201610262984 A CN 201610262984A CN 105690800 A CN105690800 A CN 105690800A
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- China
- Prior art keywords
- composite material
- thin
- material skin
- walled composite
- structural member
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a low-cost production device and technology of a thin-wall composite material skin structural member. The device comprises a resin storage tank, an adhesive injection pipeline, a vacuum bag membrane, isolation layers, sealing adhesive tape, a mold, an exhaust pipeline, a buffer tank and a vacuum device. The vacuum bag membrane and the mold are sealed through the sealing adhesive tape. A sealing cavity is formed by the vacuum bag membrane and the mold. A plurality of thin-wall composite material skin reinforcement bodies, the multiple isolation layers, a first release cloth and a distribution medium are arranged inside the sealing cavity. The production efficiency of the thin-wall composite material skin structural member is greatly improved, and the cost is lowered; the composite material has the advantages of being low in weight and excellent in mechanical performance in various fields, the composite material has the price advantage, and the application advantage of the composite material is improved.
Description
Technical field
The present invention relates to the low-cost production device of a kind of thin-walled composite material skin structural member and technique。
Background technology
Composite has light weight, and the feature of excellent in mechanical performance is increasingly used on primary and secondary load-carrying construction。Moulding process relates to autoclave forming process, vacuum introducing technology, pultrude process and winding process, wherein based on autoclave forming process。Autoclave forming process is as a kind of moulding process obtaining high-quality product, cost intensive, and the price causing composite is high, seriously limits the application of composite。By the exploration of regular period, the liquid molding process of low cost is increasingly used for the preparation of the various part of composite, and the cost of composite is greatly reduced。
Vacuum importing is adopted to prepare thin-walled composite material skin structural member, not only eliminate the autoclave expense of costliness, also save the preparation section of prepreg simultaneously, saving from material, energy consumption is saved and is manually saved three aspects and largely reduces the manufacturing cost of thin-walled composite material skin structural member。Although adopting vacuum introducing technology to reduce the manufacturing cost of thin-walled composite material skin structural member to a certain extent, but production efficiency is relatively low, economy of distance, efficiently production are also mutually far short of what is expected, and therefore the economy of thin-walled composite material skin structural member, efficiently production are problems that have to solve on composite application road。
Above-mentioned Problems existing, should give enough attention in the application of composite, and should solve the technical barrier of reality。
Summary of the invention
It is an object of the invention to provide the low-cost production device of a kind of thin-walled composite material skin structural member and technique, for solving thin-walled composite material skin structural member economy, the technical barrier efficiently produced, increase the application of composite, reduce the manufacturing cost of thin-walled composite material skin structural member。
The technical solution of the present invention is:
A kind of low-cost production device of thin-walled composite material skin structural member, including resin storage tank, injecting glue pipeline, vacuum bag film, sealing coat, sealing joint strip, mould, exhaust pipe, surge tank, vacuum equipment, vacuum bag film and mould are sealed by sealing joint strip, vacuum bag film and mould are formed with sealing chamber, annular seal space indoor are provided with the reinforcement of some layers of thin-walled composite material skin, some sealing coats, release cloth one, permeable medium, sealing coat is located between adjacent thin-walled composite material skin, the common top of thin-walled composite material skin is sequentially provided with release cloth one, permeable medium, the two ends of injecting glue pipeline are connected with resin storage tank and vacuum bag film respectively, one end connection vacuum bag film of exhaust pipe one, the other end of exhaust pipe one is connected to surge tank, surge tank connects vacuum equipment again through exhaust pipe two。
Further, sealing coat is to include release cloth two and isolating membrane, and isolating membrane is clipped in the middle by two-layer release cloth two。
Further, the length of permeable medium is identical with the length of the reinforcement of thin-walled composite material skin, and the width of permeable medium is compared with the short 3cm ~ 10cm of the width of the reinforcement of thin-walled composite material skin。
A kind of low cost production thereof using any of the above-described item described device thin-walled composite material skin structural member, including:
After mold cleaning cleaning being coated with releasing agent, alternately paving covers reinforcement and the sealing coat of thin-walled composite material skin, until having spread the reinforcement of top thin-walled composite material skin, makes all to have spread sealing coat between the reinforcement of adjacent thin-walled composite material skin;
After paving has covered the reinforcement of top thin-walled composite material skin, paving covers release cloth one, permeable medium, vacuum bag film successively, use sealing joint strip that vacuum bag film and mould are packaged, the two ends of injecting glue pipeline are connected with resin storage tank and vacuum bag film respectively, one end connection vacuum bag film of exhaust pipe one, the other end of exhaust pipe one is connected to surge tank, and surge tank connects vacuum equipment again through exhaust pipe two, curing molding after perfusion resin, obtains thin-walled composite material skin structural member。
Further, sealing coat is to include release cloth two and isolating membrane, the paving of sealing coat covers order for release cloth two, isolating membrane, release cloth two, when paving covers ground floor release cloth two, glue spraying is used to be fixed in the edge of thin-walled composite material skin, being fixed on ground floor release cloth two by use adhesive tape or glue spraying by isolating membrane, last layer of release cloth two also uses adhesive tape or glue spraying to fix。
Further, the length of permeable medium is identical with the length of the reinforcement of thin-walled composite material skin, and the width of permeable medium is compared with the short 3cm ~ 10cm of the width of the reinforcement of thin-walled composite material skin。
Further, the surface smoothness of gained thin-walled composite material skin structural member is between 0.3mm ~ 0.8mm。
The invention has the beneficial effects as follows: the low-cost production device of this kind of thin-walled composite material skin structural member and technique, efficiently, low cost, the surface smoothness of the thin-walled composite material skin structural member manufactured, between 0.3mm ~ 0.8mm, meets the technical specification of industry standard。The process of the thin-walled composite material skin structural member of the present invention greatly increases the production efficiency of thin-walled composite material skin structural member, reduces cost;Composite application in every field is not only made to have lightweight, the advantage of excellent in mechanical performance, more make composite have price advantage, increase the application advantage of composite。
Accompanying drawing explanation
Fig. 1 is the structural representation of the low-cost production device of embodiment of the present invention thin-walled composite material skin structural member;
Fig. 2 is the structural representation of sealing coat in embodiment;
Wherein: 1-resin storage tank, 2-injecting glue pipeline, 3-vacuum bag film, 4-sealing joint strip, 5-mould, 6-exhaust pipe one, 7-surge tank, 8-vacuum equipment, 9-sealing coat, the reinforcement of 10-thin-walled composite material skin, 11-release cloth one, 12-permeable medium, 13-exhaust pipe two;
91-isolating membrane, 92-release cloth two。
Detailed description of the invention
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing。
Embodiment
A kind of low-cost production device of thin-walled composite material skin structural member, such as Fig. 1, including resin storage tank 1, injecting glue pipeline 2, vacuum bag film 3, sealing coat 9, sealing joint strip 4, mould 5, exhaust pipe, surge tank 7, vacuum equipment 8, vacuum bag film 3 is sealed by sealing joint strip 4 with mould 5, vacuum bag film 3 and mould 5 are formed with sealing chamber, annular seal space indoor are provided with the reinforcement 10 of some layers of thin-walled composite material skin, some sealing coats 9, release cloth 1, permeable medium 12, sealing coat 9 is located between adjacent thin-walled composite material skin, the common top of thin-walled composite material skin is sequentially provided with release cloth 1, permeable medium 12, the two ends of injecting glue pipeline 2 are connected with resin storage tank 1 and vacuum bag film 3 respectively, one end connection vacuum bag film 3 of exhaust pipe 1, the other end of exhaust pipe 1 is connected to surge tank 7, surge tank 7 connects vacuum equipment 8 again through exhaust pipe 2 13。
Such as Fig. 2, sealing coat 9 is to include release cloth 2 92 and isolating membrane 91, and isolating membrane 91 is clipped in the middle by two-layer release cloth 2 92。
The length of permeable medium 12 is identical with the length of the reinforcement 10 of thin-walled composite material skin, and the width of permeable medium 12 is compared with the short 3cm ~ 10cm of width of the reinforcement 10 of thin-walled composite material skin。
A kind of low cost production thereof of thin-walled composite material skin structural member, by the cleaning cleaning of mould 5 surface blot, coat releasing agent, paving covers the reinforcement 10 of thin-walled composite material skin, repaves and covers sealing coat 9, and then second layer paving covers the reinforcement 10 of thin-walled composite material skin, repave and cover sealing coat 9, according to this order, the like, until n-th layer thin-walled composite material skin paving has been covered。
After treating that all of thin-walled composite material skin structural member reinforcement 10 paving has been covered, paving covers release cloth 1 and permeable medium 12 successively, encapsulation, connection glue injection pipeline 2 and exhaust pipe 1, exhaust pipe 2 13, the vacuum of detection vacuum system, perfusion resin, after resin infusion operation completes, need to seal gum-injecting port, prevent in the curing process, vacuum system gas leakage causes scrapping of product, sets cure parameter and carries out the solidification of product, and the last demoulding obtains thin-walled composite material skin structural member。
The low cost production thereof of this kind of thin-walled composite material skin structural member, efficiently, low cost, one-time process enforcement and plastic N block thin-walled composite material skin structural member, separated by sealing coat 9 between every two-layer thin-walled composite material skin structural member, so that two-layer thin-walled composite material skin structural member can separate after solidification well, solve release problems。Sealing coat 9 is made up of two-layer release cloth and one layer of isolating membrane 91, isolating membrane 91 between two-layer release cloth, the existence of isolating membrane 91, be unlikely to when the demoulding by composite material skin damage。
As in figure 2 it is shown, the paving of sealing coat 9 covers order for release cloth 2 92, isolating membrane 91, release cloth 2 92。When paving covers ground floor release cloth 2 92, glue spraying is used to be fixed in the edge of thin-walled composite material skin, it is prevented that it slides, and is fixed on ground floor release cloth 2 92 by use adhesive tape or glue spraying by isolating membrane 91, and last layer of release cloth 2 92 also needs to fix。The paving of release cloth 2 92 and isolating membrane 91 is covered, it is necessary to assure it is completely smooth at thin-walled composite material skin structural member surface。
The low cost production thereof of this kind of thin-walled composite material skin structural member, improves the production efficiency of thin-walled composite material skin structural member, reduces cost。This process economics, efficiently it is shaped to the improvement of vacuum introducing technology, compared with traditional vacuum introducing technology, one-time process enforcement and plastic N block thin-walled composite material skin structural member, separated by sealing coat 9 between every two-layer thin-walled composite material skin structural member, so that two-layer thin-walled composite material skin structural member can separate after solidification well, solve release problems。Temperature according to injecting glue environment and the viscosity of resin, determine that one-time process implements the quantity of plastic thin-walled composite material skin structural member, considering, it is best that one-time process implements 3 ~ 5 pieces of thin-walled composite material skin structural members of molding, and the thickness of thin-walled composite material skin structural member is 1 ~ 2mm。
This device and each process implementing of technique and plastic N block thin-walled composite material skin structural member, the main materials such as production efficiency improves N times, and (N-2)/(N-1) ~ (N-2)/N saved by auxiliary material, labour cost saving (N-2)/N, resin also can be saved many。While improving thin-walled composite material skin structural member production efficiency, save manufacturing cost, increase the application advantage of composite。
Claims (7)
1. the low-cost production device of a thin-walled composite material skin structural member, it is characterized in that, including resin storage tank, injecting glue pipeline, vacuum bag film, sealing coat, sealing joint strip, mould, exhaust pipe, surge tank, vacuum equipment, vacuum bag film and mould are sealed by sealing joint strip, vacuum bag film and mould are formed with sealing chamber, annular seal space indoor are provided with the reinforcement of some layers of thin-walled composite material skin, some sealing coats, release cloth one, permeable medium, sealing coat is located between adjacent thin-walled composite material skin, the common top of thin-walled composite material skin is sequentially provided with release cloth one, permeable medium, the two ends of injecting glue pipeline are connected with resin storage tank and vacuum bag film respectively, one end connection vacuum bag film of exhaust pipe one, the other end of exhaust pipe one is connected to surge tank, surge tank connects vacuum equipment again through exhaust pipe two。
2. the low-cost production device of thin-walled composite material skin structural member as claimed in claim 1, it is characterised in that: sealing coat is to include release cloth two and isolating membrane, and isolating membrane is clipped in the middle by two-layer release cloth two。
3. the low-cost production device of thin-walled composite material skin structural member as claimed in claim 1 or 2, it is characterized in that: the length of permeable medium is identical with the length of the reinforcement of thin-walled composite material skin, the width of permeable medium is compared with the short 3cm ~ 10cm of the width of the reinforcement of thin-walled composite material skin。
4. the low cost production thereof of the thin-walled composite material skin structural member using device described in any one of claim 1-3, it is characterised in that including:
After mold cleaning cleaning being coated with releasing agent, alternately paving covers reinforcement and the sealing coat of thin-walled composite material skin, until having spread the reinforcement of top thin-walled composite material skin, makes all to have spread sealing coat between the reinforcement of adjacent thin-walled composite material skin;
After paving has covered the reinforcement of top thin-walled composite material skin, paving covers release cloth one, permeable medium, vacuum bag film successively, use sealing joint strip that vacuum bag film and mould are packaged, the two ends of injecting glue pipeline are connected with resin storage tank and vacuum bag film respectively, one end connection vacuum bag film of exhaust pipe one, the other end of exhaust pipe one is connected to surge tank, and surge tank connects vacuum equipment again through exhaust pipe two, curing molding after perfusion resin, obtains thin-walled composite material skin structural member。
5. the low cost production thereof of thin-walled composite material skin structural member as claimed in claim 4, it is characterized in that: sealing coat is to include release cloth two and isolating membrane, the paving of sealing coat covers order for release cloth two, isolating membrane, release cloth two, when paving covers ground floor release cloth two, glue spraying is used to be fixed in the edge of thin-walled composite material skin, being fixed on ground floor release cloth two by use adhesive tape or glue spraying by isolating membrane, last layer of release cloth two also uses adhesive tape or glue spraying to fix。
6. the low cost production thereof of the thin-walled composite material skin structural member as described in claim 5 or 6, it is characterized in that: the length of permeable medium is identical with the length of the reinforcement of thin-walled composite material skin, the width of permeable medium is compared with the short 3cm ~ 10cm of the width of the reinforcement of thin-walled composite material skin。
7. the low cost production thereof of the thin-walled composite material skin structural member as described in claim 5 or 6, it is characterised in that: the surface smoothness of gained thin-walled composite material skin structural member is between 0.3mm ~ 0.8mm。
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CN201610262984.XA CN105690800A (en) | 2016-04-26 | 2016-04-26 | Low-cost production device and technology of thin-wall composite material skin structural member |
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CN201610262984.XA CN105690800A (en) | 2016-04-26 | 2016-04-26 | Low-cost production device and technology of thin-wall composite material skin structural member |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106515049A (en) * | 2016-12-29 | 2017-03-22 | 江苏恒神股份有限公司 | Clamping device of glue injection pipeline for guiding composite liquid |
CN110744833A (en) * | 2019-09-20 | 2020-02-04 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Carbon nano tube film/composite material forming method and lightning protection structure manufactured by same |
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CN205553264U (en) * | 2016-04-26 | 2016-09-07 | 江苏恒神股份有限公司 | Low cost production device of thin wall combined material skin structure spare |
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US4824631A (en) * | 1987-05-28 | 1989-04-25 | The Boeing Company | Method of manufacturing a contoured elastomeric pad |
CN102431184A (en) * | 2011-10-21 | 2012-05-02 | 中国兵器工业集团第五三研究所 | Technological method for forming multiple composite plates in one step |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20160622 |