CN106671445A - Pouring forming method of wind driven generator blade bonding corners - Google Patents
Pouring forming method of wind driven generator blade bonding corners Download PDFInfo
- Publication number
- CN106671445A CN106671445A CN201611011960.3A CN201611011960A CN106671445A CN 106671445 A CN106671445 A CN 106671445A CN 201611011960 A CN201611011960 A CN 201611011960A CN 106671445 A CN106671445 A CN 106671445A
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- Prior art keywords
- cloth
- leading edge
- layer
- glass fabric
- blade
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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
- B29C70/34—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
- 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
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
Landscapes
- 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 discloses a pouring forming method of wind driven generator blade bonding corners. The method comprises the following steps such as front-bonding fibre cloth sewing, front-bonding fibre cloth paving on a shell, vacuum pouring auxiliary material paving and vacuum system building. According to the pouring forming method of the wind driven generator blade bonding corners, technical design is reasonable, maneuverability is high, production efficiency is high, defects such as corrugation, impurity mixing, complete wrapping and resin enrichment can be overcome, the quality of the front-rear edge bonding corners can be greatly improved, the prepared front-rear edge bonding corners are good in fastness and high in mechanical strength, and the shapes of the prepared front-rear edge bonding corners are in accordance with the requirements.
Description
Technical field
The present invention relates to a kind of blade of wind-driven generator front and rear edge pastes angle, and in particular to a kind of blade of wind-driven generator glues
Connect the pouring and molding method at angle.
Background technology
Wind energy as new forms of energy an important branch, with its cleaning, it is safe and stable the characteristics of, by domestic and international emphasis
The green energy resource of exploitation.Wind turbines are the devices for converting wind energy into electric energy, core of its Leaf as Wind turbines
One of part, its production process directly affects the quality of Wind turbines.Wind power generation blade in manufacturing process, in front and rear edge region
Need making front and rear edge to paste angle to be bonded together in the PS faces of fan blade and SS faces, therefore produce high-quality front and rear edge
Paste angle and seem extremely important, front and rear edge of the prior art is pasted angle and entered using the method for handss paste or handss paste evacuation mostly
Row makes, and is also easy to produce during priming by vacuum and is mingled with and occurs the defects such as rich resin, affects front and rear edge to paste the quality at angle.
Therefore, it is necessary to research and develop a kind of technological design rationally on the basis of existing technology, it is workable,
Production efficiency is high, can overcome and be mingled with and occur the defects such as rich resin, is greatly improved the form that front and rear edge pastes cutin amount
Method.
The content of the invention
Goal of the invention：The invention aims to solve the deficiencies in the prior art, there is provided a kind of technological design rationally, can
Strong operability, production efficiency is high, can overcome and be mingled with and occur the defects such as rich resin, is greatly improved front and rear edge and pastes cutin amount
Pouring and molding method.
Technical scheme：To realize the purpose of the present invention, the present invention is adopted the following technical scheme that：
A kind of pouring and molding method of blade of wind-driven generator bonding angle, it is comprised the following steps：
Step a：The sewing of front viscous fiber cloth
It is first that ground floor glass fabric, second layer glass fabric, third layer glass fabric, four-layer glass is fine
Wei Bu, layer 5 glass fabric, layer 6 glass fabric and layer 7 glass fabric are gone up successively each other per two-layer
Lower interval 5mm, places between left and right every 50mm, then divides bonding spare level, release cloth, hole film and twin shaft cloth equally fiber cloth
Layer centrage laying；Then the sewing of scrim cloth being carried out, makes sewing line divide scrim cloth overall width equally, needlework spacing is 80~
100mm, viscous fiber cloth before obtaining；
Step b：Laying of the front viscous fiber cloth on housing：
First inside panel is placed on the leading edge mould of blade shell, before then step a is sewed glue fiber cloth with
The sturdy placement of leading edge mould of blade shell, makes sewing centrage be located within the leading edge mould inward flange of blade shell, then will
Bonding spare level is turned over all over to the leading edge mold platform of blade shell, is laid at the leading edge mold platform of blade shell,
The process is without glue spraying；
Step c：Then release cloth, housing hole film and flow-guiding screen are laid in ground floor glass fabric side with holes thin
Film, housing release cloth and flow-guiding screen, then lay ground floor vacuum film bag, set up vacuum system, then abut serpentine pipe
The leading edge mould outside of blade shell is placed, and to ensure to be pressed under leading edge mould, and uses long 200mm, the suction glue of wide 100mm
Felt wraps up serpentine pipe, and overlaps with inside panel；
Then to ground floor vacuum film bag evacuation, when ground floor vacuum film bag will take out tight, before starting to arrange
Viscous fiber cloth, viscous fiber cloth does not drop before making, and keep the leading edge mold platform for sewing centrage and blade shell to keep etc.
It is high or slightly higher；As when front viscous fiber is furnished with tenesmus, release cloth to be mingled with, the bonding spare level of flange can be pulled, viscous fiber cloth before making
It is sturdy with the leading edge mould of blade shell；
After vacuum is taken out tightly, the flange of bonding spare level is checked and is compacted, it is ensured that paste with the leading edge mould side platform of blade shell
Real nothing is hanging；
Step d：Then leading edge bonding angle mold is placed, and ensures to be abutted with the leading edge mould side platform of blade shell；Then
Set up second layer vacuum film bag；
Step e：To second layer vacuum film bag evacuation, then by injection hole injecting resin, resin passes through flow-guiding screen
Viscous fiber cloth, is heating and curing before being saturated with, and the demoulding prepares leading edge bonding angle.
Preferably, the pouring and molding method of above-described blade of wind-driven generator bonding angle, described bonding
Spare level (2) is 800g/ ㎡ for density, the twin shaft cloth of positive and negative 45 degree of weavings.
Preferably, the pouring and molding method of above-described blade of wind-driven generator bonding angle, described first
Layer glass fabric (1-1), second layer glass fabric (1-2), third layer glass fabric (1-3), four-layer glass fiber
Cloth (1-4), layer 5 glass fabric (1-5) and layer 6 glass fabric (1-6) are density for 800g/ ㎡, and positive and negative 45
The twin shaft cloth of degree weaving.
Preferably, the pouring and molding method of above-described blade of wind-driven generator bonding angle, layer 7 glass
Fiber cloth (1-6) is that density is 1215g/ ㎡, three axle cloth of positive and negative 45 degree and 0 degree direction weavings.
Preferably, the pouring and molding method of above-described blade of wind-driven generator bonding angle, sewing line sewing
In the middle of fiber cloth, needlework spacing is 80mm.
The present invention is glued the structure of fiber cloth and sews up requirement before being filtered out by many experiments, convenient-laying can be significantly
Reduction is mingled with, and bag is dead, and resin concentration, the low defect of mechanical strength is greatly improved the quality and firmness of blade bonding angle.
Described front viscous fiber cloth can be multistage, each other lapped layup.
Beneficial effect：The pouring and molding method of the blade of wind-driven generator bonding angle that the present invention is provided is compared to the prior art
With advantages below：
The pouring and molding method of the blade of wind-driven generator bonding angle that the present invention is provided, technological design is reasonable, operability
By force, production efficiency is high, can overcome fold, be mingled with, wraps the defects such as dead, resin concentration, is greatly improved front and rear edge and pastes cutin amount,
The front and rear edge for preparing pastes angle, and fastness is good, and high mechanical strength, shape meets the requirements.
Description of the drawings
Fig. 1 is the structural representation that fiber cloth is glued before the present invention.
Fig. 2 is the structural representation of form step b of blade of wind-driven generator bonding angle of the present invention.
Fig. 3 is the structural representation of form step c of blade of wind-driven generator bonding angle of the present invention.
Fig. 4 is the structural representation of form step d of blade of wind-driven generator bonding angle of the present invention.
Specific embodiment：
With reference to specific embodiment, the present invention is further elucidated, it should be understood that these embodiments are merely to illustrate the present invention
Rather than the scope of the present invention is limited, and after the present invention has been read, various equivalences of the those skilled in the art to the present invention
The modification of form falls within the application claims limited range.
A kind of pouring and molding method of blade of wind-driven generator bonding angle, it is comprised the following steps：
Step a：The sewing of front viscous fiber cloth
As shown in figure 1, first by ground floor glass fabric (1-1), second layer glass fabric (1-2), third layer glass
Glass fiber cloth (1-3), four-layer glass fiber cloth (1-4), layer 5 glass fabric (1-5), layer 6 glass fabric (1-
6) place every 50mm between left and right, then each other successively between the upper and lower every 5mm with the every two-layer of layer 7 glass fabric (1-6)
Divide bonding spare level (2), release cloth (3), hole film (4) and twin shaft cloth (5) laying of equally scrim cloth centrage；Then enter
The sewing of row scrim cloth, makes sewing line divide scrim cloth overall width equally, and needlework spacing is 80~100mm, viscous fiber before obtaining
Cloth (1)；
Step b：Laying of the front viscous fiber cloth on housing：
As shown in Fig. 2 first inside panel is placed on the leading edge mould of blade shell, before then step a is sewed
Viscous fiber cloth and the sturdy placement of leading edge mould of blade shell, make sewing centrage be located at the leading edge mould inward flange of blade shell
Within, then bonding spare level (2) is turned over all over to the leading edge mold platform of blade shell, it is laid in the leading edge of blade shell
At mold platform, the process is without glue spraying；
As shown in Figure 3.Step c：Then it is with holes in ground floor glass fabric (1-1) side laying release cloth (3), housing
Thin film (6) and flow-guiding screen (7), then lay ground floor vacuum film bag (9), set up vacuum system, then that serpentine pipe (8) is tight
Place by the leading edge mould outside of blade shell, to ensure to be pressed under leading edge mould, and serpentine pipe is wrapped up with rubber mat is inhaled
(8), and with inside panel overlap；
Then to ground floor vacuum film bag (9) evacuation, when ground floor vacuum film bag (9) will take out tight, start
Viscous fiber cloth before arranging, viscous fiber cloth does not drop before making, and keeps sewing the leading edge mold platform of centrage and blade shell
Keep contour or slightly higher；As when front viscous fiber is furnished with tenesmus, release cloth (3) to be mingled with, the bonding spare level (2) of flange can be pulled,
Viscous fiber cloth is sturdy with the leading edge mould of blade shell before making；
After vacuum is taken out tightly, the flange of bonding spare level (2) is checked and is compacted, it is ensured that the leading edge mould side platform with blade shell
It is sturdy without hanging；
As shown in figure 4, step d：Then leading edge bonding angle mold (10) is placed, and ensures the leading edge mould with blade shell
Side platform is abutted；Then set up second layer vacuum film bag (11)；
Step e：To second layer vacuum film bag (10) evacuation, then by injection hole injecting resin, resin is by leading
Drift net (7) viscous fiber cloth before being saturated with, is heating and curing, and the demoulding prepares leading edge bonding angle.
The pouring and molding method of above-described blade of wind-driven generator bonding angle, described bonding spare level (2) is close
Spend for 800g/ ㎡, the twin shaft cloth of positive and negative 45 degree of weavings.Described ground floor glass fabric (1-1), second layer glass fabric
(1-2), third layer glass fabric (1-3), four-layer glass fiber cloth (1-4), layer 5 glass fabric (1-5) and the 6th
Layer glass fabric (1-6) is density for 800g/ ㎡, the twin shaft cloth of positive and negative 45 degree of weavings.Described layer 7 glass fibre
Cloth (1-6) is that density is 1215g/ ㎡, three axle cloth of positive and negative 45 degree and 0 degree direction weavings.Described sewing line is sewed in fiber
In the middle of cloth, needlework spacing is 80mm.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of pouring and molding method of blade of wind-driven generator bonding angle, it is characterised in that it is comprised the following steps：
Step a：The sewing of front viscous fiber cloth
First by ground floor glass fabric (1-1), second layer glass fabric (1-2), third layer glass fabric (1-3),
Four-layer glass fiber cloth (1-4), layer 5 glass fabric (1-5), layer 6 glass fabric (1-6) and layer 7 glass
Fiber cloth (1-6), each other successively between the upper and lower every 5mm, is placed between left and right, then by bonding spare level per two-layer every 50mm
(2), release cloth (3), hole film (4) and twin shaft cloth (5) divide the laying of scrim cloth centrage equally；Then scrim cloth is carried out
Sewing, makes sewing line divide scrim cloth overall width equally, and needlework spacing is 80~100mm, viscous fiber cloth (1) before obtaining；
Step b：Laying of the front viscous fiber cloth on housing：
First inside panel is placed on the leading edge mould of blade shell, fiber cloth and blade are glued before then step a is sewed
The sturdy placement of leading edge mould of housing, makes sewing centrage be located within the leading edge mould inward flange of blade shell, then by bonding
Spare level (2) is turned over all over to the leading edge mold platform of blade shell, is laid at the leading edge mold platform of blade shell, should
Process is without glue spraying；
Step c：Then in ground floor glass fabric (1-1) side laying release cloth (3), housing hole film (6) and water conservancy diversion
Net (7), then lays ground floor vacuum film bag (9), vacuum system is set up, then by serpentine pipe (8) against blade shell
Leading edge mould outside is placed, and to ensure to be pressed under leading edge mould, and wraps up serpentine pipe (8), and and inside panel with rubber mat is inhaled
Overlap joint；
Then to ground floor vacuum film bag (9) evacuation, when ground floor vacuum film bag (9) will take out tight, start to arrange
Front viscous fiber cloth, viscous fiber cloth does not drop before making, and keeps sewing the leading edge mold platform holding of centrage and blade shell
It is contour or slightly higher；As when front viscous fiber is furnished with tenesmus, release cloth (3) to be mingled with, the bonding spare level (2) of flange can be pulled, before making
Viscous fiber cloth is sturdy with the leading edge mould of blade shell；
After vacuum is taken out tightly, the flange of bonding spare level (2) is checked and is compacted, it is ensured that sturdy with the leading edge mould side platform of blade shell
Without hanging；
Step d：Then leading edge bonding angle mold (10) is placed, and ensures to be abutted with the leading edge mould side platform of blade shell；Then
Set up second layer vacuum film bag (11)；
Step e：To second layer vacuum film bag (10) evacuation, then by injection hole injecting resin, resin passes through flow-guiding screen
(7) viscous fiber cloth, is heating and curing before being saturated with, and the demoulding prepares leading edge bonding angle.
2. the pouring and molding method of blade of wind-driven generator bonding angle according to claim 1, it is characterised in that described
Bonding spare level (2) is 800g/ ㎡ for density, the twin shaft cloth of positive and negative 45 degree of weavings.
3. the pouring and molding method of blade of wind-driven generator bonding angle according to claim 1 and 2, it is characterised in that institute
The ground floor glass fabric (1-1) stated, second layer glass fabric (1-2), third layer glass fabric (1-3), the 4th layer
Glass fabric (1-4), layer 5 glass fabric (1-5) and layer 6 glass fabric (1-6) are density for 800g/
㎡, the twin shaft cloth of positive and negative 45 degree of weavings.
4. the pouring and molding method of blade of wind-driven generator bonding angle according to claim 3, it is characterised in that layer 7
Glass fabric (1-6) is that density is 1215g/ ㎡, three axle cloth of positive and negative 45 degree and 0 degree direction weavings.
5. the pouring and molding method of blade of wind-driven generator bonding angle according to claim 4, it is characterised in that sewing line
In the middle of fiber cloth, needlework spacing is 80mm for sewing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611011960.3A CN106671445A (en) | 2016-11-17 | 2016-11-17 | Pouring forming method of wind driven generator blade bonding corners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611011960.3A CN106671445A (en) | 2016-11-17 | 2016-11-17 | Pouring forming method of wind driven generator blade bonding corners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106671445A true CN106671445A (en) | 2017-05-17 |
Family
ID=58839664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611011960.3A Pending CN106671445A (en) | 2016-11-17 | 2016-11-17 | Pouring forming method of wind driven generator blade bonding corners |
Country Status (1)
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| CN (1) | CN106671445A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521116A (en) * | 2017-08-30 | 2017-12-29 | 航天长征睿特科技有限公司 | A kind of leading edge bonding angle sewing method |
| CN107618177A (en) * | 2017-09-27 | 2018-01-23 | 北京金风科创风电设备有限公司 | Blade internal reinforcement method and wind generating set blade |
| CN107618192A (en) * | 2017-09-28 | 2018-01-23 | 国电联合动力技术有限公司 | A kind of wind power generation unit blade bonding angle and preparation method thereof |
| CN107718593A (en) * | 2017-10-12 | 2018-02-23 | 江苏金风科技有限公司 | The method for filling and wind generator set blade of wind generator set blade bonding angle |
| CN107791543A (en) * | 2017-10-30 | 2018-03-13 | 国电联合动力技术有限公司 | Trailing edge bonding angle formpiston preparation method and trailing edge bonding angle preparation method |
| CN113119498A (en) * | 2021-04-27 | 2021-07-16 | 中材科技风电叶片股份有限公司 | Manufacturing method of wind power blade, manufacturing method of sewing block and sewing block |
| CN113942151A (en) * | 2021-10-21 | 2022-01-18 | 山东双一科技股份有限公司 | Manufacturing method of wind driven generator blade mold |
| CN115431557A (en) * | 2021-06-02 | 2022-12-06 | 惠阳航空螺旋桨有限责任公司 | Paddle forming process method and paddle root structure for improving paddle forming quality |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521116A (en) * | 2017-08-30 | 2017-12-29 | 航天长征睿特科技有限公司 | A kind of leading edge bonding angle sewing method |
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| CN107618192A (en) * | 2017-09-28 | 2018-01-23 | 国电联合动力技术有限公司 | A kind of wind power generation unit blade bonding angle and preparation method thereof |
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| CN107718593A (en) * | 2017-10-12 | 2018-02-23 | 江苏金风科技有限公司 | The method for filling and wind generator set blade of wind generator set blade bonding angle |
| CN107791543A (en) * | 2017-10-30 | 2018-03-13 | 国电联合动力技术有限公司 | Trailing edge bonding angle formpiston preparation method and trailing edge bonding angle preparation method |
| CN113119498A (en) * | 2021-04-27 | 2021-07-16 | 中材科技风电叶片股份有限公司 | Manufacturing method of wind power blade, manufacturing method of sewing block and sewing block |
| CN115431557A (en) * | 2021-06-02 | 2022-12-06 | 惠阳航空螺旋桨有限责任公司 | Paddle forming process method and paddle root structure for improving paddle forming quality |
| CN113942151A (en) * | 2021-10-21 | 2022-01-18 | 山东双一科技股份有限公司 | Manufacturing method of wind driven generator blade mold |
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Application publication date: 20170517 |
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| RJ01 | Rejection of invention patent application after publication |