CN107089019A - A kind of air bag being molded available for composite Ω stringers co-curing - Google Patents
A kind of air bag being molded available for composite Ω stringers co-curing Download PDFInfo
- Publication number
- CN107089019A CN107089019A CN201710465161.1A CN201710465161A CN107089019A CN 107089019 A CN107089019 A CN 107089019A CN 201710465161 A CN201710465161 A CN 201710465161A CN 107089019 A CN107089019 A CN 107089019A
- Authority
- CN
- China
- Prior art keywords
- rubber layer
- half finished
- finished rubber
- air bag
- outer half
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/40—Plastics, e.g. foam or rubber
- B29C33/405—Elastomers, e.g. rubber
-
- 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
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
- B29C2033/385—Manufacturing moulds, e.g. shaping the mould surface by machining by laminating a plurality of layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3076—Aircrafts
Abstract
The invention belongs to curing molding technical field, and in particular to a kind of air bag being molded available for composite Ω stringers co-curing.Described air bag includes outer half finished rubber layer, R angles reinforcing fiber, fibre reinforced fabric, interior half finished rubber layer and vacuum bag；Described air bag outermost layer is outer half finished rubber layer, and its section is consistent with Ω stringer inner mold face；In the R Angle Positions of air bag, i.e., it is pasted with R angles reinforcing fiber at outer half finished rubber layer inwall rib, it is ensured that air bag is fitted with Ω stringer inner mold face；Described interior half finished rubber layer is located in outer half finished rubber layer, positioned at cap waist position one layer of fibre reinforced fabric of laying of interior half finished rubber layer, and fibre reinforced fabric is compacted at interior half finished rubber layer and outer half finished rubber interlayer；Vacuum bag is filled in interior half finished rubber layer.Vacuum bag is changed after each use, air bag is reusable.
Description
Technical field
The invention belongs to curing molding technical field, and in particular to one kind can be used for the shaping of composite Ω stringers co-curing
Air bag.
Background technology
Ω type stringers are a kind of parts of semi-closed structure, compared to traditional drum, c-type and L-type stringer, Ω stringers
It is molded difficulty bigger, is generally individually solidified Ω stringers using male mould forming mould, then by being glued co-curing or second bonding
Method is connected with covering, and the forming process of whole part at least needs to enter tank solidification twice, and the production cycle is long, and cost is higher.Such as
Fruit uses co-curing forming technique, and Ω stringers can form a cavity after combine with wallboard, how to ensure cavity inside pressurize with
Inner surface quality is the key of Ω stringers and wallboard co-curing forming technique, and current solution is to use vacuum bag or solid
Rubber is placed in the cavities as core, is pressurizeed, taken by the gases at high pressure in autoclave or solid rubber expanded by heating
Obtained good effect.But the above method still has certain limitation.First, pressurizeed easily due to vacuum using vacuum bag
Bag is damaged and pressurizes and fails, so as to cause the defect of whole part or even scrap；Secondly, vacuum bag is in itself without intensity, its type
Face is difficult to, in pressure process often have to stringer R angle pressure effect poor the problem of consistent with Ω stringer inner mold face, actual
Often there are the defects such as layering, hole at the product stringer R angles produced.Its type face of solid rubber core can with Ω stringers
Type face is consistent, and preferably, but the swell increment of rubber is whard to control for R angles pressure effect, swell increment easily occurs excessive and lead
Cause stringer to crouch side situation about being erected, in this case stringer crouch side can because be pressurized it is not enough have internal flaw, and not
It can theoretically prove that rubber meets design document requirement all the time because of expanded by heating to the pressure that stringer applies, in civil aircraft
In the manufacturing process of part, solid rubber mandrel molding scheme tends not to be readily accepted by customers.The invention provides a kind of thin-walled
Rubber pneumatic bag, can make product be pressurized uniform by the air bag, inside and outside good quality, in theory with being accorded with practical operation
The requirement of Element Design drawing is closed, the requirement of civil aircraft Airworthiness Examination is disclosure satisfy that, the failures such as vacuum leak occurs and be easy to exclusion,
Part quality, high recycling rate are not influenceed, with higher economic benefit.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of air bag being molded available for composite Ω stringers co-curing.
Technical scheme：
A kind of air bag being molded available for composite Ω stringers co-curing, the air bag is strengthened using fibre reinforced fabric
Vulcanization rubber is made, and is molded by metal negative and positive assembling die, and its section is consistent with Ω stringer inner mold face；Described air bag includes
Outer half finished rubber layer, R angles reinforcing fiber, fibre reinforced fabric, interior half finished rubber layer and vacuum bag；Described air bag is most
Outer layer is outer half finished rubber layer, and its section is consistent with Ω stringer inner mold face；In the R Angle Positions of air bag, i.e., positioned at outer unvulcanized
R angles reinforcing fiber is pasted with rubber layer inwall rib, it is ensured that air bag is fitted with Ω stringer inner mold face；Described interior half finished rubber
Layer is located in outer half finished rubber layer, positioned at cap waist position one layer of fibre reinforced fabric of laying of interior half finished rubber layer, carbon
Fiber-reinforced fabric is compacted at interior half finished rubber layer and outer half finished rubber interlayer；Vacuum bag is filled in interior half finished rubber layer
In.
Beneficial effects of the present invention：
Air bag R Angle Positions are with 0 ° of fibre reinforced, with certain intensity, can be good at pasting with Ω stringer inner mold face
Close, it is ensured that the pressure effect of each position including R Angle Positions.Air bag itself has air-tightness, liner vacuum bag, solid
By vacuum bag and autoclave inner high voltage gas connection during change, intracapsular pressure and tank pressure are consistent, pressure effect it is preferable and
Meet civil aviaton's requirement.If it find that vacuum bag is revealed in airtight detection before curing, vacuum bag can be changed immediately, is not influenceed
Even if breakage occur in the encapsulation combination of whole part, in the curing process vacuum bag, due to the air-tightness of air bag itself, it can also protect
Demonstrate,prove the normal cure of part.Vacuum bag is changed after each use, air bag is reusable.
Brief description of the drawings
Fig. 1 is air bag shaping mould schematic diagram.
Fig. 2 is airbag structure schematic diagram.
In figure：1 air bag shaping mould female die；2 air bag shaping mould upper mold sections；3 suspension ring；
4 outer half finished rubber layers；5R angles reinforcing fiber；6 fibre reinforced fabrics；
Half finished rubber layer in 7；8 vacuum bags.
Embodiment
Below in conjunction with accompanying drawing and technical scheme, the embodiment of the present invention is further illustrated.
Embodiment
A kind of air bag being molded available for composite Ω stringers co-curing, the air bag is strengthened using fibre reinforced fabric
Vulcanization rubber is made, and is molded by metal negative and positive assembling die, and its section is consistent with Ω stringer inner mold face；Described air bag includes
Outer half finished rubber layer 4, R angles reinforcing fiber 5, fibre reinforced fabric 6, interior half finished rubber layer 7 and vacuum bag 8；Described
Air bag outermost layer is outer half finished rubber layer 4, and its section is consistent with Ω stringer inner mold face；In the R Angle Positions of air bag, i.e., positioned at outer
R angles reinforcing fiber 5 is pasted with half finished rubber 4 inwall rib of layer, it is ensured that air bag is fitted with Ω stringer inner mold face；It is described it is interior not
Vulcanised rubber layer 7 is located in outer half finished rubber layer 4, positioned at cap waist position one layer of carbon fiber of laying of interior half finished rubber layer 7
Strengthen fabric 6, fibre reinforced fabric 6 is compacted between interior half finished rubber layer 7 and outer half finished rubber layer 4；Vacuum bag 8 is filled
In interior half finished rubber layer 7.
A kind of preparation method for the air bag being molded available for composite Ω stringers co-curing, step is as follows：
(1) in metal die outside laying half finished rubber layer 4；
(2) in air bag cap waist position one layer of fibre reinforced fabric 6 of laying；
(3) 0 ° of R angles reinforcing fiber 5 is filled in air bag R Angle Positions；
(4) continue half finished rubber layer 7, compacting in laying, be put into vacuum bag, it is high temperature vulcanized after encapsulation.
Claims (1)
1. a kind of air bag being molded available for composite Ω stringers co-curing, the air bag strengthens sulphur using fibre reinforced fabric
Change rubber to be made, be molded by metal negative and positive assembling die, its section is consistent with Ω stringer inner mold face；Characterized in that, described
Air bag include outer half finished rubber layer, R angles reinforcing fiber, fibre reinforced fabric, interior half finished rubber layer and vacuum bag；Institute
The air bag outermost layer stated is outer half finished rubber layer, and its section is consistent with Ω stringer inner mold face；In the R Angle Positions of air bag, ascend the throne
R angles reinforcing fiber is pasted with outer half finished rubber layer inwall rib, it is ensured that air bag is fitted with Ω stringer inner mold face；Described is interior
Half finished rubber layer is located in outer half finished rubber layer, and one layer of carbon fiber of cap waist position laying positioned at interior half finished rubber layer increases
Strong fabric, fibre reinforced fabric is compacted at interior half finished rubber layer and outer half finished rubber interlayer；Vacuum bag be filled in not
In vulcanised rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465161.1A CN107089019A (en) | 2017-06-19 | 2017-06-19 | A kind of air bag being molded available for composite Ω stringers co-curing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465161.1A CN107089019A (en) | 2017-06-19 | 2017-06-19 | A kind of air bag being molded available for composite Ω stringers co-curing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107089019A true CN107089019A (en) | 2017-08-25 |
Family
ID=59639560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710465161.1A Pending CN107089019A (en) | 2017-06-19 | 2017-06-19 | A kind of air bag being molded available for composite Ω stringers co-curing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107089019A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554780A (en) * | 2009-03-30 | 2009-10-14 | 成都飞机工业（集团）有限责任公司 | Moulding method of cassette composite material finished piece |
| CN104494166A (en) * | 2014-12-02 | 2015-04-08 | 航天海鹰(镇江)特种材料有限公司 | Air bag forming method of composite material part with T-shaped reinforced web structure |
| CN207388348U (en) * | 2017-06-19 | 2018-05-22 | 沈阳飞机工业（集团）有限公司 | One kind can be used for the molding air bag of composite material Ω stringer co-curings |
-
2017
- 2017-06-19 CN CN201710465161.1A patent/CN107089019A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554780A (en) * | 2009-03-30 | 2009-10-14 | 成都飞机工业（集团）有限责任公司 | Moulding method of cassette composite material finished piece |
| CN104494166A (en) * | 2014-12-02 | 2015-04-08 | 航天海鹰(镇江)特种材料有限公司 | Air bag forming method of composite material part with T-shaped reinforced web structure |
| CN207388348U (en) * | 2017-06-19 | 2018-05-22 | 沈阳飞机工业（集团）有限公司 | One kind can be used for the molding air bag of composite material Ω stringer co-curings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170825 |
|
| WD01 | Invention patent application deemed withdrawn after publication |