CN110253793A - A kind of forming frock and forming method of flexible beam - Google Patents
A kind of forming frock and forming method of flexible beam Download PDFInfo
- Publication number
- CN110253793A CN110253793A CN201910501199.9A CN201910501199A CN110253793A CN 110253793 A CN110253793 A CN 110253793A CN 201910501199 A CN201910501199 A CN 201910501199A CN 110253793 A CN110253793 A CN 110253793A
- Authority
- CN
- China
- Prior art keywords
- piecemeal
- lower die
- middle mould
- flexible beam
- bushing
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/301—Modular mould systems [MMS], i.e. moulds built up by stacking mould elements, e.g. plates, blocks, rods
- B29C33/302—Assembling a large number of mould elements to constitute one cavity
-
- 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
- B29C33/30—Mounting, exchanging or centering
- B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting
- B29C33/304—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting centering cores
-
- 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
-
- 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
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to lifting airscrew part manufacture fields, and in particular to a kind of forming frock and forming method of flexible beam.Since upper and lower mould is respectively overall structure, narrow space, the combing to composite fiber be not it is too convenient, be easy to cause accumulation and the fold of fiber, cause the molding of upper and lower mould not in place, and make the part to form out unqualified.The forming frock of flexible beam of the present invention, the forming frock has the locating piece to raise upward in lower die, on the basis of the locating piece, according to the seperated multiple briquettings of the resemblance of flexible beam production, the internal cavity formed after these briquettings are fit is identical as the shape of flexible beam, these briquettings are constrained from outside by framed in annular, these briquettings are constrained in upper and lower two sides by the cope plate and lower die at top.Fiber is easier to comb during laying, it is not easy to form fold, will not squeeze during molding and hurt part, demoulding is easy.
Description
Technical field
The invention belongs to lifting airscrew part manufacture fields, and in particular to a kind of forming frock of flexible beam and molding side
Method.
Background technique
The molding of flexible beam is generally using the intermediate upper and lower mode structure divided half-and-half, since upper and lower mould is respectively whole knot
Structure, narrow space, the combing to composite fiber be not it is too convenient, be easy to cause accumulation and the fold of fiber, upper and lower mould
Die-closed position is easy to cause material stacking, causes the molding of upper and lower mould not in place, and makes the part to form out unqualified.And
And the complete rear demoulding of forming parts is relatively difficult.
Summary of the invention
The technical problems to be solved by the present invention are: forming frock and forming method by proposing a kind of flexible beam, gram
Take the defect and reduce difficulty of processing that flexible beam processing easily occurs.
The forming frock of flexible beam of the present invention, the forming frock have the locating piece to raise upward in lower die, fixed with this
On the basis of the block of position, according to the seperated multiple briquettings of the resemblance of flexible beam production, the inner chamber formed after these briquettings are fit
Body is identical as the shape of flexible beam, is constrained from outside these briquettings by framed in annular, passes through the upper mold at top
Plate and lower die constrain these briquettings in upper and lower two sides.
The multiple briquetting includes the left piecemeal of lower die, middle mould bottom right piecemeal, middle mould lower-left piecemeal, the right piecemeal of upper mold, upper mold
Left piecemeal, middle mould upper left piecemeal and middle mould upper right piecemeal.
It is connected by the positioning pin in left side with left bushing between the left piecemeal of the lower die and the left piecemeal of upper mold；Described fixed
It is connected by the positioning pin on right side with right bushing between position block and the right piecemeal of upper mold.
The left bushing is a pair, is located at the both ends of flexible beam；The right bushing is a pair, is located at flexibility
The both ends of beam.
The left piecemeal of lower die is in lower die and is close to locating piece；The right piecemeal of the upper mold and the left piecemeal of upper mold are mutually tight
It leans on.
The middle mould lower-left piecemeal abuts the left piecemeal of lower die in lower die；Middle mould bottom right piecemeal is placed in lower die, and
On the right side of the locating piece for abutting against lower die.
The middle mould upper left piecemeal abuts the left piecemeal of upper mold above the piecemeal of middle mould lower-left；The middle mould upper right piecemeal
Above the piecemeal of middle mould bottom right, and abut the right piecemeal of upper mold.
In the periphery of middle mould lower-left piecemeal, middle mould upper left piecemeal, middle mould bottom right piecemeal and middle mould upper right piecemeal is provided with
It is framed.
A kind of forming method of flexible beam, is utilized above-mentioned forming frock, and this method installs winding on the basis of locating piece
Matrix, and winding matrix on carry out flexible beam winding；Multiple briquettings are respectively installed to design position later；Then pass through
In it is framed from outside to these briquettings carry out squeeze formed constraint, by the cope plate and lower die at top in upper and lower two sides to this
A little briquettings, which squeeze, forms constraint；It is last hot-forming.
A kind of forming method of flexible beam, is utilized above-mentioned forming frock, method includes the following steps:
First, the positioning pin on the locating piece of lower die on the right side of installation, and it is packed into right bushing, bottom right is wound on right bushing
Partial fiber；
Second, the left piecemeal of lower die is individually taken out, the positioning pin on the left piecemeal of lower die on the left of installation, and it is packed into left bushing,
The fiber of bottom left section is wound on left bushing；The left piecemeal of lower die is placed in lower die and against locating piece；
Third, mould bottom right piecemeal and middle mould lower-left piecemeal are placed in lower die in, and left respectively against locating piece and lower die
Piecemeal, and installation backing plate in place；
4th, the fiber of upper right portion is wound on right bushing；
5th, the fiber of upper left is wound on left bushing；
6th, middle mould upper left piecemeal, middle mould upper right piecemeal, left end sprue and right end sprue are closed, and cover in periphery
Frame, the cope plate in top cover are molded in upper；
7th, it is hot-forming.
The utility model has the advantages that fiber is easier to comb during laying, it is not easy to form fold, during molding not
It can squeeze and hurt part, demoulding is easy.
Detailed description of the invention
Fig. 1 is the top view of the processing flexibility beam in tooling；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the B-B cross-sectional view of Fig. 1；
Fig. 4 is the C-C cross-sectional view of Fig. 1；
Fig. 5 is the D-D cross-sectional view of Fig. 1；
Fig. 6 is the E-E cross-sectional view of Fig. 1.
Specific embodiment
In conjunction with attached drawing, the forming frock and forming method of flexible beam of the present invention are illustrated.
In Fig. 1, middle part is flexible beam, and two bush holes of flexible beam left end and the propeller hub of helicopter rotor system connect,
Two bush holes of right end and the blade of helicopter rotor system connect, and periphery is the forming frock of flexible beam.
It in Fig. 2, can see in two bushing hole sites of right end, lower die 1 has the locating piece to raise upward, the upper end
The positioning pin 11 on right side is installed, the left piecemeal 2 of lower die is in lower die 1 and is close to locating piece, and is equipped with left side in upper end
Positioning pin 11.The positioning pin 11 in left side is installed in the left piecemeal 6 of upper mold, the positioning on right side is installed in the right piecemeal 5 of upper mold
Pin 11.The left piecemeal of lower die 2 and the positioning pin 11 in the left side of the left piecemeal 6 of upper mold are separately mounted to the both ends of left bushing, locating piece and
The positioning pin 11 on the right side of the right piecemeal 5 of upper mold is separately mounted to the both ends of right bushing.
Middle mould lower-left piecemeal 4 abuts the left piecemeal 2 of lower die in lower die 1；Middle mould bottom right piecemeal 3 is placed in lower die 1,
And abut against the locating piece right side of lower die 1.Middle mould upper left piecemeal 7 abuts the left piecemeal 6 of upper mold above middle mould lower-left piecemeal 4；In
Mould upper right piecemeal 8 abuts the right piecemeal 5 of upper mold above middle mould bottom right piecemeal 3.The left piecemeal 2 of above-mentioned lower die, locating piece, left bushing,
The left piecemeal 6 of right bushing, upper mold, the right piecemeal 5 of upper mold, middle mould lower-left piecemeal 4, middle mould upper left piecemeal 7, middle mould bottom right piecemeal 3 and in
The cavity that mould upper right piecemeal 8 is constituted is the filling region of flexible beam 19.Middle mould lower-left piecemeal 4, middle mould upper left piecemeal 7, in
The periphery of mould bottom right piecemeal 3 and middle mould upper right piecemeal 8 is provided with framed 9 in annular, is used for each piecemeal of clamping.Framed 9 in,
Cope plate 10 is stamped above the left piecemeal 6 of middle mould upper left piecemeal 7, middle mould upper right piecemeal 8, upper mold and the right piecemeal 5 of upper mold.
Fig. 3 is the B-B cross-sectional view of Fig. 1, and card has right backing plate 14 between middle mould bottom right piecemeal 3 and middle mould upper right piecemeal 8 in figure,
Card has lower gasket 13 between the left piecemeal 2 of lower die and the locating piece of lower die 1, blocks between middle mould upper left piecemeal 7 and middle mould lower-left piecemeal 4
There is left gasket 12, card has Upper gasket 15 between the left piecemeal 6 of upper mold and the right piecemeal 5 of upper mold, and Upper gasket 15 is hung over by pin 16
On the right piecemeal 5 of mould.
Fig. 4 is the C-C cross-sectional view of Fig. 1, and You Zhongmo upper right piecemeal 8, middle mould bottom right piecemeal 3 abut the right piecemeal 5 of upper mold, are fixed
Position block, the left piecemeal 2 of lower die, the left piecemeal 6 of upper mold, middle mould lower-left piecemeal 4 and middle mould upper left piecemeal 7 are encircled a city the fill area of flexible beam 19
Domain.
Fig. 5 is the D-D cross-sectional view of Fig. 1, also has left end sprue 17 in flexible frock left end, is located at lower die 1 and upper mold
Between plate 10.
Fig. 6 is the E-E cross-sectional view of Fig. 1, also has right end sprue 18 in flexible frock right end, is located at lower die 1 and upper mold
Between plate 10.
Forming parts process: the process of deployment of entire flexible beam 19 is divided into four regions to be laid with, i.e., flexible beam 19 from
The middle of horizontal position and upright position separates, and is divided into four parts and is laid with respectively, specifically from Fig. 2:
First, positioning pin 11 is installed at the locating piece both ends of lower die 1, and be respectively charged into right bushing, 19 bottom right of flexible beam
Partial fiber is wound between two right bushings back and forth by way of winding；
Second, the left piecemeal 2 of lower die is individually taken out, positioning pin 11 is installed at lower die left 2 both ends of piecemeal, and be respectively charged into left lining
Set, is back and forth wound the fiber of 19 bottom left section of flexible beam between two left bushings by way of winding；After being completely wound
The left piecemeal 2 of lower die is placed in lower die 1 and against locating piece；
Third, mould bottom right piecemeal 3 and middle mould lower-left piecemeal 4 are placed in lower die 1 in, and respectively against locating piece and lower die
Left piecemeal 2, while left backing plate 12 is installed in appropriate location on middle mould lower-left piecemeal 4；Appropriate location is pacified on middle mould bottom right piecemeal 3
Fill right gasket 14；Lower gasket 13 is installed in appropriate location between the left piecemeal 2 of lower die and locating piece；
4th, the fiber of 19 upper right portion of flexible beam is wound between two right bushings back and forth by way of winding；
5th, the fiber of 19 upper left of flexible beam is wound between two left bushings back and forth by way of winding；
6th, close middle mould upper left piecemeal 7, middle mould upper right piecemeal 8, left end sprue 17 and right end sprue 18, and
Periphery puts on middle molding frame 9, cope plate 10 in top cover；
7th, upper hot pressing bed molding.
Claims (10)
1. a kind of forming frock of flexible beam, it is characterised in that: the forming frock has the positioning to raise upward on lower die (1)
Block, according to the seperated multiple briquettings of the resemblance of flexible beam production, is formed on the basis of the locating piece after these briquettings are fit
Internal cavity it is identical as the shape of flexible beam, framed (9) from outside constrain these briquettings in annular, pass through
The cope plate (10) and lower die (1) at top constrain these briquettings in upper and lower two sides.
2. forming frock according to claim 1, it is characterised in that: the multiple briquetting include the left piecemeal of lower die (2), in
Mould bottom right piecemeal (3), middle mould lower-left piecemeal (4), the right piecemeal of upper mold (5), the left piecemeal of upper mold (6), middle mould upper left piecemeal (7) and in
Mould upper right piecemeal (8).
3. forming frock according to claim 2, it is characterised in that: in the left piecemeal of the lower die (2) and the left piecemeal of upper mold
(6) it is connected by the positioning pin (11) in left side with left bushing between；Pass through the right side between the locating piece and the right piecemeal of upper mold (5)
The positioning pin (11) of side is connected with right bushing.
4. forming frock according to claim 3, it is characterised in that: the left bushing is a pair, is located at flexible beam
Both ends；The right bushing is a pair, is located at the both ends of flexible beam.
5. forming frock according to claim 3, it is characterised in that: the left piecemeal of lower die (2) is on lower die (1) and leans on
Tight locating piece；The right piecemeal of upper mold (5) and the left piecemeal of upper mold (6) mutually abut.
6. forming frock according to claim 5, it is characterised in that: the middle mould lower-left piecemeal (4) on lower die (1),
And abut the left piecemeal of lower die (2)；Middle mould bottom right piecemeal (3) is placed on lower die (1), and the locating piece for abutting against lower die (1) is right
Side.
7. forming frock according to claim 6, it is characterised in that: the middle mould upper left piecemeal (7) is in middle mould lower-left point
Above block (4), and abut the left piecemeal of upper mold (6)；The middle mould upper right piecemeal (8) abuts above middle mould bottom right piecemeal (3)
The right piecemeal of upper mold (5).
8. forming frock according to claim 7, it is characterised in that: in middle mould lower-left piecemeal (4), middle mould upper left piecemeal
(7), the periphery of middle mould bottom right piecemeal (3) He Zhongmo upper right piecemeal (8) be provided in framed (9).
9. a kind of forming method of flexible beam, is utilized forming frock as described in claim 1, it is characterised in that: this method
Installation winds matrix on the basis of locating piece, and the winding of flexible beam is carried out on winding matrix；Multiple briquettings are distinguished later
It is installed to design position；Then framed (9) squeeze to these briquettings from outside in passing through forms constraint, passes through the upper of top
Template (10) and lower die (1) squeeze to these briquettings in upper and lower two sides forms constraint；It is last hot-forming.
10. a kind of forming method of flexible beam is utilized such as any one of claim 2-8 forming frock, which is characterized in that
Method includes the following steps:
First, the positioning pin (11) on installation right side on the locating piece of lower die (1), and it is packed into right bushing, it is wound on right bushing
The fiber of lower right-most portion；
Second, the left piecemeal of lower die (2) is individually taken out, the positioning pin (11) in installation left side on the left piecemeal of lower die (2), and it is packed into a left side
Bushing winds the fiber of bottom left section on left bushing；The left piecemeal of lower die (2) is placed on lower die (1) and against locating piece；
Third, mould bottom right piecemeal (3) and middle mould lower-left piecemeal (4) are placed on lower die (1) in, and respectively against locating piece under
The left piecemeal of mould (2), and installation backing plate in place；
4th, the fiber of upper right portion is wound on right bushing；
5th, the fiber of upper left is wound on left bushing；
6th, middle mould upper left piecemeal (7), middle mould upper right piecemeal (8), left end sprue (17) and right end sprue (18) are closed,
And frame (9) are molded in periphery set is upper, cope plate (10) in top cover；
7th, it is hot-forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501199.9A CN110253793A (en) | 2019-06-11 | 2019-06-11 | A kind of forming frock and forming method of flexible beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501199.9A CN110253793A (en) | 2019-06-11 | 2019-06-11 | A kind of forming frock and forming method of flexible beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110253793A true CN110253793A (en) | 2019-09-20 |
Family
ID=67917519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910501199.9A Pending CN110253793A (en) | 2019-06-11 | 2019-06-11 | A kind of forming frock and forming method of flexible beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110253793A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231365A (en) * | 2019-12-26 | 2020-06-05 | 中航复合材料有限责任公司 | Molding tool for composite material fan blade laying unit body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8703202D0 (en) * | 1987-02-12 | 1987-03-18 | Lau C P | Multiple block mould |
| CN102076473A (en) * | 2008-06-27 | 2011-05-25 | 瑞能***股份公司 | Method and manufacturing mold for the production of a rotor blade for a wind turbine |
| CN203186576U (en) * | 2012-12-21 | 2013-09-11 | 中国直升机设计研究所 | Novel structure of composite material propeller shank of helicopter |
| CN104669650A (en) * | 2013-12-02 | 2015-06-03 | 昌河飞机工业（集团）有限责任公司 | Partitioned paving molding die and method for multi-bundle and multi-positioning girder belts |
| CN104669633A (en) * | 2013-12-02 | 2015-06-03 | 昌河飞机工业（集团）有限责任公司 | Winding tool and winding method applicable to multilayer closed-loop carbon belt |
-
2019
- 2019-06-11 CN CN201910501199.9A patent/CN110253793A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8703202D0 (en) * | 1987-02-12 | 1987-03-18 | Lau C P | Multiple block mould |
| CN102076473A (en) * | 2008-06-27 | 2011-05-25 | 瑞能***股份公司 | Method and manufacturing mold for the production of a rotor blade for a wind turbine |
| CN203186576U (en) * | 2012-12-21 | 2013-09-11 | 中国直升机设计研究所 | Novel structure of composite material propeller shank of helicopter |
| CN104669650A (en) * | 2013-12-02 | 2015-06-03 | 昌河飞机工业（集团）有限责任公司 | Partitioned paving molding die and method for multi-bundle and multi-positioning girder belts |
| CN104669633A (en) * | 2013-12-02 | 2015-06-03 | 昌河飞机工业（集团）有限责任公司 | Winding tool and winding method applicable to multilayer closed-loop carbon belt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231365A (en) * | 2019-12-26 | 2020-06-05 | 中航复合材料有限责任公司 | Molding tool for composite material fan blade laying unit body |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190920 |
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| RJ01 | Rejection of invention patent application after publication |