CN110385862A - A kind of forming method of T shape composite material stringer - Google Patents
A kind of forming method of T shape composite material stringer Download PDFInfo
- Publication number
- CN110385862A CN110385862A CN201910658112.9A CN201910658112A CN110385862A CN 110385862 A CN110385862 A CN 110385862A CN 201910658112 A CN201910658112 A CN 201910658112A CN 110385862 A CN110385862 A CN 110385862A
- Authority
- CN
- China
- Prior art keywords
- briquetting
- supporting block
- prepreg
- shape
- composite material
- 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
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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
- B29C70/30—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
- B29C70/345—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 matched moulds
-
- 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
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/386—Automated tape laying [ATL]
-
- 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
- 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 present invention provides a kind of forming method for T shape composite material stringer, step are as follows: two pieces of plate prepregs of laying；It is placed on table top, wherein left side prepreg is placed in lower-left supporting block and supporting block, right side prepreg is placed in bottom right supporting block and supporting block, and two pieces of prepregs are spaced in supporting block, adjusts the spacing of control upper left briquetting, upper right briquetting and mobile briquetting；Briquetting, supporting block are controlled to the pressure of prepreg；The prepreg of two sides is bent into L shape；Two pieces of L shape prepregs are merged again "T"-shaped；By die flip 180 degree, makes "T"-shaped stringer in company with die flip 180 degree, be in inversion state；Lower-left supporting block and bottom right supporting block are removed, and by filler spill strip laying in "T"-shaped stringer chamfering Zone R.The continuity movement of T shape composite material stringer production can be achieved, it can be achieved that automated production in the present invention, while solving the problems, such as the deformation of precast body and bonding quality.
Description
Technical field
The invention belongs to technical field of composite material molding, are related to the manufacturing process of "T"-shaped composite material stringer, especially
Automated manufacturing suitable for T shape composite material stringer part is processed.
Background technique
Composite material is widely used in aircraft structural part because of excellent performances such as its light weight, intensity height, modulus height.
Accounting of the composite material in aircaft configuration becomes an important indicator of evaluation aircraft advance.Stringer is as on aircraft one
The structural member of quasi-representative is the important part for forming aircraft wing skins, fuselage wallboard and empennage siding." T " shape structure stringer
It is a kind of typical structure type in composite material stringer part.
Currently, the manufacture of T shape composite material stringer part uses traditional manual laying mode.Its manufacturing process flow
It is that two L shape precast bodies, are then transferred on forming frock by preparatory two L shape precast bodies of laying on laying mold
Combine "T"-shaped stringer.
It is had the disadvantage that during existing T shape composite material stringer part manufacturing
1) moulds of industrial equipment are more, and the T shape composite material stringer part of each figure number contains laying mold and forming frock etc.
A set of dedicated mold；
2) unstable quality, easily-deformable, L shape precast body are easily deformed the final glue for influencing part in combination transfer process
Connect quality；
3) prior art is using manual paving molding, and shaping efficiency is low, and the composite material proportion of goods damageds are high.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of technique of T shape composite material stringer part
Forming method can effectively improve the manufacture efficiency of composite material stringer part, reduce the proportion of goods damageds of composite material, while can root
It is made into the mold of relatively-stationary several specifications according to the classification of T shape stringer chamfering, blank is consolidated using laser cutting technology
Processing is cut before chemical conversion type, to select general forming frock mold according to the value of stringer part chamfering, reduces tooling mould
Has quantity.
A kind of forming method of T shape composite material stringer of the present invention, step are as follows:
Two pieces of plate prepregs (7) of S1 laying；
Two pieces of good plate prepregs (7) of laying are placed on bending and molding equipment table top by S2, bending and molding equipment table top
Including mobile lower-left supporting block (1), supporting block (2), bottom right supporting block (3) can be controlled respectively；
The upper left briquetting (6) of bending and molding equipment, mobile briquetting (5) and upper right briquetting (4) are combined to bending and molding equipment by S3
On, according to the thickness of prepreg (7), adjusted between control upper left briquetting (6), upper right briquetting (4) and movement briquetting (5) respectively
Away from and pressure；
S4 moves up supporting block (2) and mobile briquetting (5) simultaneously and prepreg (7) 90-degree bent of two sides is removed movement
Briquetting (5) continues to move up supporting block (2), makes the prepreg (7) of two sides at L shape；
S5 simultaneously to the lower-left supporting block (1) in the mobile left side in central axes, upper left briquetting (6) and the bottom right supporting block (3) on right side,
Upper right briquetting (4) merges two pieces of L shape prepregs (7) "T"-shaped；
Die flip 180 degree is made T shape stringer (9) in company with die flip 180 degree, is in inversion state by S6；
S7 removes lower-left supporting block (1) and bottom right supporting block (3), and filler spill item (8) is laid in T shape stringer (9)
Chamfering Zone R.
Upper left briquetting (6) and the pressure of lower-left supporting block (1) to prepreg (7), upper right briquetting (4) in the step S3
With bottom right supporting block (3) to the pressure of prepreg (7), prepreg does not generate cunning between layers when pressure value is adjusted to mobile
It moves.
The pressure of mobile briquetting (5) and mobile supporting block (2) to prepreg (7), pressure value adjusting in the step S3
To when movement, prepreg fiber is non-warping, can produce sliding between layers.
Mold briquetting in the automatic bending and molding equipment is equipped with chamfering on the angle contacted with prepreg.
Mold briquetting in the bending and molding equipment is made by metal material.
The bending and molding equipment is automatic bending and molding equipment.
The present invention has following actively effect compared to the manual laying forming technique of existing T shape composite material stringer part
Fruit, the continuity movement during T shape composite material stringer part is manufactured can be achieved in the present invention, intermediate without making processing
Precast body, solving T shape composite material, " deformation of precast body and bonding quality are asked during stringer part craft laying forming
Topic.Meanwhile the present invention realizes the continuity flexing movement of T shape composite material stringer part, can apply T shape composite material stringer
The automated manufacturing of part.
Detailed description of the invention
Fig. 1 is the schematic diagram of T shape composite material stringer part.
Fig. 2 is mold schematic diagram of the invention；
Fig. 3 is the schematic cross-section of T-type composite material stringer part；
Fig. 4 is the working principle of the invention schematic diagram.
1. lower-left supporting block in figure, 2. sliding supporting blocks, 3. bottom right supporting blocks, 4. upper right briquettings, 5. sliding briquettings, 6. is left
Upper holder block, 7. prepregs, 8. filler spill items, 9.T shape stringer section.
Specific embodiment
In order to further illustrate rather than limitation above-mentioned implementation of the invention, with reference to the accompanying drawing to the present invention into one
Step explanation, but therefore do not limit the present invention among the practical range.All these designs should be regarded as this technology institute
Disclosure and protection scope of the present invention.
Embodiment 1
A kind of forming frock and technological forming method for T shape composite material stringer of the invention, includes the following steps:
Step 1 requires two pieces of plate prepregs (7) of laying according to design laying using automated tape-laying machine；
Step 2: two pieces of good plate prepregs (7) of laying are placed on automatic bending and molding equipment table top, wherein left side
Prepreg (7) is placed in lower-left supporting block (1) and sliding supporting block (2), and right side prepreg (7) is placed on bottom right support
On block (3) and sliding supporting block (2).Two pieces of prepregs are spaced apart in sliding supporting block (2).
Upper left briquetting (6), mobile briquetting (5) and upper right briquetting (4) are combined to automatic bending and molding equipment mould by step 3
On tool, and according to the actual (real) thickness of prepreg (7), control upper left briquetting (6), upper right briquetting (4) and mobile pressure are adjusted respectively
The spacing of block (5)；
Step 4 adjusts control upper left briquetting (6) and lower-left supporting block (1) to the pressure of prepreg (7), adjusts control upper right
Briquetting (4) and bottom right supporting block (3) adjust mobile briquetting (5) with mobile supporting block (2) to pre- to the pressure of prepreg (7)
Soak the pressure of tablet (7)；
Step 5, by mechanical motion mode, mobile supporting block (2) are moved up with mobile briquetting (5), by the prepreg of two sides
Piece (7) is bent into L shape；
Step 6, lower-left supporting block (1), the bottom right supporting block of upper left briquetting (6) and right side on the left of automatic bending and molding equipment
(3), upper right briquetting (4) moves to central axes by mechanical motion mode, two pieces of L shape prepregs (7) is merged into " T "
Shape；
Die flip 180 degree is made "T"-shaped stringer (9) in company with die flip 180 degree, is in inversion state by step 7；
Step 8 removes lower-left supporting block (1) and bottom right supporting block (3), and filler spill item (8) is laid in "T"-shaped
Stringer (9) chamfering Zone R.
Mold briquetting in the automatic bending and molding equipment is made by metal material.
Embodiment 2
A kind of forming method of T shape composite material stringer, including two pieces of plate prepregs of laying are required according to design laying
(7)；Two pieces of good plate prepregs (7) of laying are placed on automatic bending and molding equipment table top；By upper left briquetting (6),
Mobile briquetting (5) and upper right briquetting (4) are combined on automatic bending and molding equipment die, and according to the reality of prepreg (7)
Thickness adjusts the spacing of control upper left briquetting (6), upper right briquetting (4) and mobile briquetting (5) respectively；Adjust control upper left briquetting
(6) control upper right briquetting (4) is adjusted with bottom right supporting block (3) to pre- to the pressure of prepreg (7) with lower-left supporting block (1)
The pressure of tablet (7) is soaked, adjusts mobile briquetting (5) and mobile supporting block (2) to the pressure of prepreg (7)；It is transported by machinery
Flowing mode, mobile supporting block (2) are moved up with mobile briquetting (5), and the prepreg (7) of two sides is bent into L shape；Automatically
The bottom right supporting block (3) of lower-left supporting block (1), upper left briquetting (6) and right side on the left of bending and molding equipment, upper right briquetting (4)
It by mechanical motion mode, moves, two pieces of L shape prepregs (7) is merged "T"-shaped to central axes；By die flip 180
Degree makes "T"-shaped stringer (9) in company with die flip 180 degree, is in inversion state；By lower-left supporting block (1) and bottom right supporting block (3)
It removes, and filler spill item (8) is laid in "T"-shaped stringer (9) chamfering Zone R.
Automatic bending and molding equipment, is made of, and can be with relative motion upper and lower two layers three groups of briquettings；Automatic bending and molding is set
Every group of briquetting in standby, can provide adjustable pressure value；
The lower-left supporting block (1) in left side, upper left briquetting (6) and the bottom right supporting block (3) on right side, upper right briquetting (4) are to prepreg
The pressure effect of piece (7) is to prevent prepreg from generating sliding between layers；
Mobile supporting block (2) and mobile briquetting (5) are to prevent prepreg torsion of fibers to the pressure effect of prepreg (7), are mentioned
For lesser pressure, when module relative motion, the prepreg at this can generate cunning according to the movement of module between layers
It moves；
The spacing of upper left briquetting (6), upper right briquetting (4) same mobile briquetting (5) is the thickness by prepreg (7).
Mold briquetting in automatic bending and molding equipment has certain chamfering on the angle contacted with prepreg, should fall
Angle value is determined according to the design chamfering radian of part.
Embodiment 3
A kind of forming method of T shape composite material stringer of the present invention, step are as follows:
Laying plate prepreg hand-manipulated；
The good prepreg of laying is placed on automatic bending and molding equipment table top；
By mechanical traction motion mode, prepreg is bent into L shape；
Module is moved, by L shape prepreg by mechanical motion mode to central axes at left and right sides of automatic bending and molding equipment
Merge "T"-shaped；
Molding die is overturn into 180 degree, makes "T"-shaped prepreg overturning 180 degree, in inversion shape；
Spill bar filler is laid in "T"-shaped prepreg chamfering Zone R.
Claims (6)
1. a kind of forming method of T shape composite material stringer, step are as follows:
Two pieces of plate prepregs (7) of S1 laying；
Two pieces of good plate prepregs (7) of laying are placed on bending and molding equipment table top by S2, bending and molding equipment table top
Including mobile lower-left supporting block (1), supporting block (2), bottom right supporting block (3) can be controlled respectively；
The upper left briquetting (6) of bending and molding equipment, mobile briquetting (5) and upper right briquetting (4) are combined to bending and molding equipment by S3
On, according to the thickness of prepreg (7), adjusted between control upper left briquetting (6), upper right briquetting (4) and movement briquetting (5) respectively
Away from and pressure；
S4 moves up supporting block (2) and mobile briquetting (5) simultaneously and prepreg (7) 90-degree bent of two sides is removed movement
Briquetting (5) continues to move up supporting block (2), makes the prepreg (7) of two sides at L shape；
S5 simultaneously to the lower-left supporting block (1) in the mobile left side in central axes, upper left briquetting (6) and the bottom right supporting block (3) on right side,
Upper right briquetting (4) merges two pieces of L shape prepregs (7) "T"-shaped；
Die flip 180 degree is made T shape stringer (9) in company with die flip 180 degree, is in inversion state by S6；
S7 removes lower-left supporting block (1) and bottom right supporting block (3), and filler spill item (8) is laid in T shape stringer (9)
Chamfering Zone R.
2. a kind of forming method of T shape composite material stringer according to claim 1, which is characterized in that the step S3
To the pressure of prepreg (7), upper right briquetting (4) and bottom right supporting block (3) are right for middle upper left briquetting (6) and lower-left supporting block (1)
The pressure of prepreg (7), prepreg does not generate sliding between layers when pressure value is adjusted to mobile.
3. a kind of forming method of T shape composite material stringer according to claim 1, which is characterized in that the step S3
Middle mobile briquetting (5) is with mobile supporting block (2) to the pressure of prepreg (7), when pressure value is adjusted to mobile, prepreg fiber
It is non-warping, can produce sliding between layers.
4. a kind of forming method of T shape composite material stringer according to claim 1, which is characterized in that described is automatic
Upper left briquetting (6), mobile briquetting (5) and upper right briquetting (4) in bending and molding equipment, on the angle contacted with prepreg,
Equipped with chamfering.
5. a kind of forming method of T shape composite material stringer according to claim 1, which is characterized in that described to be bent into
Briquetting in type equipment is made by metal material.
6. a kind of forming method of T shape composite material stringer according to claim 1, which is characterized in that described to be bent into
Type equipment is automatic bending and molding equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658112.9A CN110385862A (en) | 2019-07-20 | 2019-07-20 | A kind of forming method of T shape composite material stringer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658112.9A CN110385862A (en) | 2019-07-20 | 2019-07-20 | A kind of forming method of T shape composite material stringer |
Publications (1)
| Publication Number | Publication Date |
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| CN110385862A true CN110385862A (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910658112.9A Pending CN110385862A (en) | 2019-07-20 | 2019-07-20 | A kind of forming method of T shape composite material stringer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267367A (en) * | 2020-03-16 | 2020-06-12 | 沈阳飞机工业（集团）有限公司 | Processing method for forming double-side zero-degree fiber T-shaped stringer |
| CN113602477A (en) * | 2021-07-26 | 2021-11-05 | 成都飞机工业（集团）有限责任公司 | Full-composite empennage structure and forming method thereof |
| WO2024082457A1 (en) * | 2022-10-17 | 2024-04-25 | 山东南山铝业股份有限公司 | Bending method for bent profile for lower stringer of civil aircraft wing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943760A (en) * | 2017-12-14 | 2018-12-07 | 中航复合材料有限责任公司 | A kind of forming frock and forming method of composite material J-shaped joist blank |
-
2019
- 2019-07-20 CN CN201910658112.9A patent/CN110385862A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943760A (en) * | 2017-12-14 | 2018-12-07 | 中航复合材料有限责任公司 | A kind of forming frock and forming method of composite material J-shaped joist blank |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267367A (en) * | 2020-03-16 | 2020-06-12 | 沈阳飞机工业（集团）有限公司 | Processing method for forming double-side zero-degree fiber T-shaped stringer |
| CN113602477A (en) * | 2021-07-26 | 2021-11-05 | 成都飞机工业（集团）有限责任公司 | Full-composite empennage structure and forming method thereof |
| CN113602477B (en) * | 2021-07-26 | 2024-03-15 | 成都飞机工业（集团）有限责任公司 | Tail wing structure made of full composite material and forming method thereof |
| WO2024082457A1 (en) * | 2022-10-17 | 2024-04-25 | 山东南山铝业股份有限公司 | Bending method for bent profile for lower stringer of civil aircraft wing |
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Application publication date: 20191029 |