CN109397719A - For drawing-pressing the carbon fibre composite of carrying to wind connector and preparation method thereof - Google Patents
For drawing-pressing the carbon fibre composite of carrying to wind connector and preparation method thereof Download PDFInfo
- Publication number
- CN109397719A CN109397719A CN201811443433.9A CN201811443433A CN109397719A CN 109397719 A CN109397719 A CN 109397719A CN 201811443433 A CN201811443433 A CN 201811443433A CN 109397719 A CN109397719 A CN 109397719A
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- China
- Prior art keywords
- connector
- middleware
- inner bushing
- chain link
- bushing ring
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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
- B29C70/34—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)
- Moulding By Coating Moulds (AREA)
Abstract
The carbon fibre composite that the invention discloses a kind of for drawing-pressing carrying winds connector and preparation method thereof, belong to joint material technical field, the connector includes outer chain link, left inside grommet, right inner bushing ring and middleware, and outer chain link and left and right inner bushing ring and middleware junction are adhesion zone；The connector is when bearing tensile load effect, by outer chain link load；The connector is when bearing compressive load effect, by middleware load；The present invention has fully considered the stress form of joint structure, and the excellent designability of composite material is utilized, and using carbon fibre composite, compared with metal joint, while guaranteeing the rigidity of structure, significantly reduces the weight of connector itself.This kind of connector overcomes that traditional lamination type composite joint interlayer performance is weak, and the shortcomings that being easily delaminated, and moulding process is simple and easy, convenient for batch production, also avoids the manufacture damage of mechanical tapping bring.
Description
Technical field
It is specifically a kind of for drawing-pressing the carbon fibre composite of carrying to twine the invention belongs to joint material technical field
Around connector and preparation method thereof.
Background technique
Load connector is an important component indispensable in modern aircraft construction design, nowadays common commercialization
In the aircraft such as military aircraft, mostly based on metal load connector.As composite material is in all kinds of boats such as passenger plane and unmanned plane
A large amount of utilizations in pocket replace conventional metals connector using composite material load-carrying connector, guarantee the condition of aircaft configuration rigidity
It is lower realize construction weight advanced optimize be in recent years aircaft configuration research a Main way.
Existing composite material load-carrying connector is broadly divided into two classes: lamination type composite joint and 3 D weaving are compound
Material plug.Traditional lamination type composite joint interlayer performance is poor, is impacted and be easy to produce after damaging layering, and machine
Tool drilling is easy to cause laminate structures tapping manufacture damage occur, causes stress concentration and accelerating structure destroys.Three-dimensional is compiled
The it is proposed of Woven composite connector overcomes the above difficulty, has well solved lamination type connector loaded rear the problem of being easily layered,
But due to its weaving complexity, difficult forming substantially increases production cost.
Summary of the invention
The present invention aiming at the problems existing in the prior art, by load connector tension-compression load effect under
Stress form is analyzed, and the characteristic that bonded composite is easily designed, is disclosed a kind of for drawing-pressing the carbon fiber of carrying
Winding composite joints and preparation method thereof solve problems of the prior art.
In view of the foregoing, in modern aircraft construction design there is still a need for a kind of easily fabricated, and tradition stratum can be overcome
The composite joint of pressure type structure interlayer fragility.
The present invention is implemented as follows:
It includes that middleware, middleware left and right ends consolidate that a kind of carbon fibre composite for drawing-pressing carrying, which winds connector,
Left inside grommet and right inner bushing ring, the left inside grommet, right inner bushing ring, middleware periphery are consolidated with outer chain link, above-mentioned connector
In include component can according to actual operation requirements limit specific size size；The outer chain link and left inside grommet, right liner
Ring, middleware junction are adhesion zone；The outer chain link is Wrapping formed by carbon fiber one-way band；The left inside grommet,
Right inner bushing ring is Wrapping formed by carbon fibre fabric；The middleware is that carbon fiber unidirectional cloth is laid with curing molding；Described is viscous
The J-116B structure glue that area selects 0.1mm ~ 0.3mm thickness using adhesion zone is connect, so that having enough cementabilities between each section
Can, it is not easy degumming.The connector is when bearing tensile load effect, by outer chain link load；The connector is bearing to compress
When load acts on, by middleware load, design of the invention avoids the common lamination of traditional laminate structures and energy
It enough avoids destroying when design load.
Further, outer chain link jail Nian Jie with left inside grommet, right inner bushing ring and middleware is made by way of compression molding
Gu.
Further, the outer chain link selects carbon fiber one-way band epoxy resin-matrix prepreg, and along the length of connector
Direction is Wrapping formed；The design takes full advantage of the bearing capacity of carbon fiber, and structure is enabled to obtain maximum tensile failure
Intensity.The left inside grommet, right inner bushing ring select carbon fiber bidirectional fabric epoxy resin-matrix prepreg, along on the outside of inner bushing ring
The circumferencial direction of aperture is Wrapping formed, can be avoided when inner bushing ring is squeezed with threaded bolt contacts and damages perpendicular to machine direction
Wound.
The middleware selects carbon fiber one-way band epoxy resin-matrix prepreg, is laid with and is formed using laminate structures,
Wherein 0 °, 90 °, the laying ratio in ± 45 ° of directions is that 5:1:4 is avoided while guaranteeing that structure can bear certain shearing force
Interfibrous cracking phenomena.
Further, the thickness of the connector is more than or equal to the 1/25 of length, and connector is avoided to bear compressive load effect
When there is unstable failure so that structure have enough compression failure intensity.
The carbon fibre composite that the invention also discloses a kind of for drawing-pressing carrying winds the preparation method of connector,
It is characterized in that, the specific steps are as follows:
1) carbon fiber unidirectional cloth resin base prepreg is put according to the middleware laying ratio set and prepares mold in middleware
In, it is put into curing molding in autoclave；
2) composite laminated plate after solidification is cut into the shape and size of required middleware；
3) in the way of winding manually that carbon fiber bidirectional fabric resin base prepreg is Wrapping formed, it is installed and is put into vacuum bag
Curing molding in autoclave；
4) inner bushing ring of annulus shape is cut into after step 3) curing molding；
5) left inside grommet, right inner bushing ring and middleware are fixed, in adhesion zone interstitital texture glue and using automated tape-laying machine to viscous
It meets area and is wound molding；
6) structure after molding is put into curing mold, is put into autoclave high temperature cure under pressure；
7) structure after curing molding is polished smooth, carbon fibre composite winding connector completes.
The beneficial effect of the present invention compared with prior art is:
The present invention uses outer chain link and middleware structure, so that connector is mainly held by outer chain link when bearing tensile load effect
Power, and connector bear compressive load effect when, then mainly by middleware load；When tensile load acts on, structure is by hole edge
Extrusion load is converted to the fiber tensile load of outer chain link, avoids the common lamination of traditional laminate structures；Compression carries
When lotus acts on, middleware intensity with higher avoids destroying when design load；Meanwhile the structure type is compared to three-dimensional
Braiding structure, moulding process is simple and easy, is easy to make；
To sum up, the present invention uses the combination of the structure using outer chain link and middleware, so that connector is bearing tensile load effect
When, mainly by outer chain link load, and connector, then mainly by middleware load, overcomes tradition when bearing compressive load effect
The problem of lamination type composite joint interlayer fragility；Use carbon fibre composite for the structural material of load connector simultaneously,
Have the characteristics that light-weight, intensity is high；Compared to D braided composites connector, the present invention is for the first time using the form that is intertwined and connected
Structure, the method for the present invention moulding process is simple and easy, convenient for batch production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of carbon fibre composite for drawing-pressing carrying of the present invention winds connector；
Fig. 2 is the isometric views that a kind of carbon fibre composite for drawing-pressing carrying of the present invention winds connector；
Fig. 3 is the laying schematic diagram of Filament Wound Composite structure of the present invention；
Fig. 4 is structure typical case's fracture mode under tensile load effect；
Fig. 5 is the structure typical failure mode under compressive load effect；
Wherein, the outer chain link of 1-, the adhesion zone 2-, the left inside grommet of 3-, the right inner bushing ring of 4-, 5- middleware.
Specific embodiment
It is clear to keep the purpose of the present invention, technical solution and effect clearer, example is exemplified below to the present invention into one
Step is described in detail.It should be understood that specific implementation described herein is not intended to limit the present invention only to explain the present invention.
As shown in Fig. 1 ~ 3, shown in be the present invention for draw-press carrying carbon fibre composite wind connector, this connects
Head includes the left inside grommet 3 and right inner bushing ring 4 of middleware 5,5 left and right ends of middleware consolidation, the left inside grommet 3, the right side
Inner bushing ring 4,5 periphery of middleware are consolidated with outer chain link 1；The outer chain link 1 and left inside grommet 3, right inner bushing ring 4,5 knot of middleware
It is adhesion zone 2 at conjunction.
A kind of carbon fibre composite for drawing-pressing carrying disclosed by the invention winds connector, and preparation process includes
Following steps:
1) carbon fiber unidirectional cloth resin base prepreg is put according to the middleware ply stacking-sequence set and prepares mould in middleware
In tool, it is put into curing molding in autoclave；
2) composite laminated plate after solidification is cut into the shape and size of required middleware；
3) in the way of winding manually that carbon fiber bidirectional fabric resin base prepreg is Wrapping formed, it is installed and is put into vacuum bag
Curing molding in autoclave；
4) it is cut into the inner bushing ring of suitable shape；
5) left and right inner bushing ring is fixed with middleware, in adhesion zone interstitital texture glue and using the external chain link of automated tape-laying machine into
Row is Wrapping formed；
6) structure after molding is put into curing mold, is put into autoclave high temperature cure under pressure；
7) structure after curing molding is polished smooth, carbon fibre composite winding connector completes.
Typical failure form of the present invention under tensile load effect is as shown in figure 4, be mainly shown as the fiber of outer chain link
Fracture failure；Typical failure form under compressive load effect is as shown in figure 5, be mainly shown as that the fiber buckling of middleware is lost
Effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as of the invention
Protection scope.
Claims (5)
1. a kind of carbon fibre composite for drawing-pressing carrying winds connector, which is characterized in that the connector includes centre
The left inside grommet (3) and right inner bushing ring (4) of part (5), middleware (5) left and right ends consolidation, the left inside grommet (3), the right side
Inner bushing ring (4), middleware (5) periphery are consolidated with outer chain link (1)；The outer chain link (1) and left inside grommet (3), right inner bushing ring
(4), middleware (5) junction is adhesion zone (2)；The outer chain link (1) is Wrapping formed by carbon fiber one-way band；Described
Left inside grommet (3), right inner bushing ring (4) are Wrapping formed by carbon fibre fabric；The middleware (5) is carbon fiber unidirectional cloth laying
Curing molding；It is filled using the structure glue of 0.1mm ~ 0.3mm thickness the adhesion zone (2)；The connector is bearing to stretch load
When lotus acts on, by outer chain link (1) load；The connector is when bearing compressive load effect, by middleware (5) load.
2. a kind of carbon fibre composite for drawing-pressing carrying according to claim 1 winds connector, feature exists
In making outer chain link (1) and left inside grommet (3), right inner bushing ring (4) and middleware (5) Nian Jie jail by way of compression molding
Gu.
3. a kind of carbon fibre composite for drawing-pressing carrying according to claim 2 winds connector, feature exists
In the outer chain link (1) selects carbon fiber one-way band epoxy resin-matrix prepreg, and is wound in along the length direction of connector
Type；The left inside grommet (3), right inner bushing ring (4) select carbon fiber bidirectional fabric epoxy resin-matrix prepreg, along inner bushing ring
The circumferencial direction in outside is Wrapping formed；The middleware (5) selects carbon fiber one-way band epoxy resin-matrix prepreg, uses layer
Pressure type structure is laid with molding, wherein 0 °, 90 °, the laying ratio in ± 45 ° of directions is 5:1:4.
4. a kind of carbon fibre composite for drawing-pressing carrying according to claim 1 winds connector, feature exists
In the thickness of the connector is more than or equal to the 1/25 of length.
5. according to claim 1, ~ 4 any described a kind of for drawing-press the carbon fibre composite of carrying to wind the system of connector
Preparation Method, which is characterized in that specific step is as follows:
1) carbon fiber unidirectional cloth resin base prepreg is put according to middleware (5) the laying ratio set and prepares mould in middleware
In tool, it is put into curing molding in autoclave；
2) composite laminated plate after solidification is cut into the shape and size of required middleware；
3) in the way of winding manually that carbon fiber bidirectional fabric resin base prepreg is Wrapping formed, it is installed and is put into vacuum bag
Curing molding in autoclave；
4) inner bushing ring of annulus shape is cut into after step 3) curing molding；
5) left inside grommet (3), right inner bushing ring (4) and middleware (5) are fixed, in adhesion zone (2) interstitital texture glue and using certainly
Dynamic belt spreading machine is wound molding to adhesion zone (2)；
6) structure after molding is put into curing mold, is put into autoclave high temperature cure under pressure；
7) structure after curing molding is polished smooth, carbon fibre composite winding connector completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443433.9A CN109397719A (en) | 2018-11-29 | 2018-11-29 | For drawing-pressing the carbon fibre composite of carrying to wind connector and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443433.9A CN109397719A (en) | 2018-11-29 | 2018-11-29 | For drawing-pressing the carbon fibre composite of carrying to wind connector and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109397719A true CN109397719A (en) | 2019-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811443433.9A Pending CN109397719A (en) | 2018-11-29 | 2018-11-29 | For drawing-pressing the carbon fibre composite of carrying to wind connector and preparation method thereof |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966284A (en) * | 2019-12-18 | 2020-04-07 | 肇庆市海特复合材料技术研究院 | Composite material connecting joint and preparation method thereof |
| CN112572762A (en) * | 2020-12-04 | 2021-03-30 | 中国航空工业集团公司成都飞机设计研究所 | Composite material beam joint |
| CN114561864A (en) * | 2022-03-11 | 2022-05-31 | 中国人民解放军63983部队 | High-bearing-capacity integrally-formed composite material joint and manufacturing method thereof |
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| CN1141615A (en) * | 1993-10-06 | 1997-01-29 | Abb戴姆勒-奔驰运输(德意志)股份有限公司 | Composide-material push-pull link bar for rail vehicles |
| CN101028851A (en) * | 2006-02-14 | 2007-09-05 | 坎培诺洛有限公司 | Bicycle pedal crank, intermediate product and method for manufactoring such a pedal crank |
| CN103286956A (en) * | 2013-06-07 | 2013-09-11 | 莫凡 | Aerial tube-shaped carbon fiber composite rod piece and manufacturing method thereof |
| CN104260367A (en) * | 2014-08-22 | 2015-01-07 | 北京卫星制造厂 | A moulding method of a light composite material structural connecting part |
| CN108032696A (en) * | 2017-11-17 | 2018-05-15 | 康得复合材料有限责任公司 | passenger car composite material control arm |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4414860A (en) * | 1979-12-19 | 1983-11-15 | Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung | Connecting rod for an engine |
| CN1141615A (en) * | 1993-10-06 | 1997-01-29 | Abb戴姆勒-奔驰运输(德意志)股份有限公司 | Composide-material push-pull link bar for rail vehicles |
| CN101028851A (en) * | 2006-02-14 | 2007-09-05 | 坎培诺洛有限公司 | Bicycle pedal crank, intermediate product and method for manufactoring such a pedal crank |
| CN103286956A (en) * | 2013-06-07 | 2013-09-11 | 莫凡 | Aerial tube-shaped carbon fiber composite rod piece and manufacturing method thereof |
| CN104260367A (en) * | 2014-08-22 | 2015-01-07 | 北京卫星制造厂 | A moulding method of a light composite material structural connecting part |
| CN108032696A (en) * | 2017-11-17 | 2018-05-15 | 康得复合材料有限责任公司 | passenger car composite material control arm |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966284A (en) * | 2019-12-18 | 2020-04-07 | 肇庆市海特复合材料技术研究院 | Composite material connecting joint and preparation method thereof |
| CN112572762A (en) * | 2020-12-04 | 2021-03-30 | 中国航空工业集团公司成都飞机设计研究所 | Composite material beam joint |
| CN114561864A (en) * | 2022-03-11 | 2022-05-31 | 中国人民解放军63983部队 | High-bearing-capacity integrally-formed composite material joint and manufacturing method thereof |
| CN114561864B (en) * | 2022-03-11 | 2023-12-29 | 中国人民解放军63983部队 | High-bearing-capacity integrally-formed composite material joint and manufacturing method thereof |
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Application publication date: 20190301 |