CN102773948A - Manufacturing method of oil bath heating die used for wind generator blade carbon fiber girder - Google Patents
Manufacturing method of oil bath heating die used for wind generator blade carbon fiber girder Download PDFInfo
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- CN102773948A CN102773948A CN201110121505XA CN201110121505A CN102773948A CN 102773948 A CN102773948 A CN 102773948A CN 201110121505X A CN201110121505X A CN 201110121505XA CN 201110121505 A CN201110121505 A CN 201110121505A CN 102773948 A CN102773948 A CN 102773948A
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- blade
- oil bath
- carbon fiber
- bath heating
- steel
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Abstract
The invention relates to the field of blade girder manufacturing in the field of wind generator. The invention provides a manufacturing method of an oil bath heating die used for a wind generator blade carbon fiber girder. The manufacturing method mainly comprises the steps that: a complete blade is lifted and placed into a blade die, and the blade is fixed; a demolding agent is applied at a girder cap position; 15 layers of four-axis glass cloth are paved in a symmetrical position along a central line; after a plurality of auxiliary materials are paved, adhesive blending, filling, and curing are carried out, such that glass fiber reinforced plastic is formed; a plurality of devices such as a stainless steel net and hollow copper tubes are paved on the surface of the glass fiber reinforced plastic; simultaneously, a mixture of aluminum powder and resin is cast on the upper part of the stainless steel net; the die and the glass fiber reinforced plastic are welded, and an insulation material is covered on the bottom of the die; a hole is provided on the surface of the glass fiber reinforced plastic, and a vacuum pumping pipeline is connected with the hole; hot oil is circularly delivered into the hollow copper tubes, and production is carried out. According to the invention, an oil bath heating method is adopted, such that temperature delivering is more uniform, and a relatively high temperature can be reached. With the method, strength and quality of the carbon fiber girder can be substantially improved.
Description
Technical field
The present invention relates to a kind of manufacturing approach of wind power plant, particularly a kind of manufacturing approach of blade of wind-driven generator carbon fiber beam.
Background technology
Along with the development of China's wind generating technology, the blower fan of 2.0MW has moved towards market.The more and more large-scale change of the development of blower fan, the blade that needs requires also increasingly high, and this is just to the quality and the demands for higher performance of blade.And in the design of blade, crossbeam is the blade emphasis of design, and crossbeam provides the critical piece of the rigidity of blade.
In present wind power generation blade, blade girder is made required temperature and is reached 120 ℃ usually, and than higher, common water-bath heating can not meet the demands, and adopts heating wire to add thermally labile, and heating wire is easy to break.
Summary of the invention
Complicated in order to solve existing blade girder manufacture craft production process, the water-bath heating can not meet the demands, the electrical heating problem of unstable, and the present invention proposes following technical scheme:
The blade of wind-driven generator carbon fiber beam is with the manufacturing approach of oil bath heating mould, and this manufacturing approach mainly may further comprise the steps:
(1) gets into complete blade lifting in the mould of blade, vanes fixed;
(2) play releasing agent in fine strain of millet cap position, lay 15 layers of four glass cloth along the center line symmetric position;
(3) spread release cloth, barrier film, water conservancy diversion net, Omega pipe, spiral jacket equal vacuum auxiliary material successively, stamp vacuum diaphragm twice, vacuumize, join the glue perfusion;
(4) on beam, blow hot gas with four to five hot blast gas operated devices, keep about 70 ℃ of environment temperatures, treat after the completion of cure, remove surperficial auxiliary material, carry out skin patching again, obtain intact fiberglass;
(5) the symmetry shop stainless (steel) wire toward glass fiber reinforced plastic surface along position of center line;
(6) above stainless (steel) wire, put many hollow copper tubings with proportional spacing, finer wire is passed in the hollow copper tubing the inside, and finer wire length is longer than hollow copper tubing length, and hollow copper tubing length is longer than fiberglass length;
(7) above stainless (steel) wire, pour into a mould the mixture of aluminium powder, resin and curing agent;
(8) stick with paste glass cloth, four layers of twin shaft cloth, two-layer three cloth at surperficial hand;
(9) fiberglass both sides side placing steel tubes, it is two-layer to lay the twin shaft glass cloth simultaneously;
(10) mold base is sling be placed on the fiberglass welded steel structure;
(11) treat the firm back demoulding of structure, at the mold bottom covering insulation material;
(12) complete mould is sling just be placed on the ground, glass fiber reinforced plastic surface punches at a distance from a segment distance, connects vacuum lead;
(13) Mold Making finishes, and feeds deep fat toward the interior circulation of hollow copper tubing, produces.
As a kind of preferred version of the present invention, four glass cloth specifications of being laid in the said step (2) are long 39m, wide 900mm, and density is 1268g/m
2Four glass cloth.
As another kind of preferred version of the present invention, the stainless (steel) wire specification in the said step (5) is long 38.5m, the stainless (steel) wire of wide 350mm.
As another preferred version of the present invention, the external diameter of said step (6) hollow core copper pipe is 10mm, and the lay spacing is 5cm, places 8 altogether.
As another preferred version of the present invention, the mass ratio of aluminium powder and epoxy resin, curing agent mixture is 15: 100 to 20: 100 in the said step (7), and mixture becomes thick.
As another preferred version of the present invention, the outer diameter of steel pipes of being laid in the said step (9) is 60mm, and said twin shaft glass cloth is that specification is 500mm * 400mm, and is every at a distance from two of 1m hand pastes.
The beneficial effect that the present invention brings is:
1, uses the method for oil bath heating, make that the temperature transmission is more even, can reach predetermined temperature very soon;
2, use the method for oil bath heating, can reach higher temperature, improved the intensity and the quality of carbon fiber beam to a great extent;
3, manufacturing approach operation of the present invention is simple, and easy to operate because oil is not volatile, recycle has for a long time reduced production cost.
The specific embodiment
Set forth in detail in the face of preferred embodiment of the present invention down, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
Specific embodiment of the present invention is following:
(1) gets into complete blade lifting in the mould of blade,, prevent the blade displacement vanes fixed;
(2) play an amount of releasing agent in fine strain of millet cap position, it is wide to lay 900mm along the center line symmetric position, the 1268g/m that 39m is long
2Four glass cloth amount to 15 layers;
(3) spread release cloth, barrier film, water conservancy diversion net, Omega pipe, spiral jacket equal vacuum auxiliary material successively, stamp vacuum diaphragm twice, vacuumize, join the glue perfusion;
(4) on beam, blow hot gas with four to five hot blast gas operated devices, keep about 70 ℃ of environment temperatures, treat the completion of cure surperficial auxiliary material of removal later on, carry out suitable skin patching again;
(5) symmetry shop 350mm is wide toward glass fiber reinforced plastic surface along position of center line, and 38.5 meters long stainless (steel) wires obtain intact fiberglass;
(6) above stainless (steel) wire, keep flat the hollow copper tubing of 8 external diameter 10mm with spacing 5cm, finer wire is passed in the inside, and finer wire length is longer than hollow copper tubing, and copper pipe length is longer than fiberglass length;
(7) above stainless (steel) wire, pour into a mould the mixture of aluminium powder, resin and curing agent, wherein the mass ratio of aluminium powder and resin solidification agent composition is 15: 10;
(8) stick with paste glass cloth, four layers of twin shaft cloth, two-layer three cloth at surperficial hand;
(9) fiberglass both sides side is placed the steel pipe of external diameter 60mm, and every twin shaft glass cloth at a distance from 1m hand paste 500mm * 400mm is two-layer;
(10) mold base is sling be placed on the fiberglass welded steel structure;
(11) treat the firm back demoulding of structure, at the mold bottom covering insulation material;
(12) complete mould is sling just be placed on the ground, glass fiber reinforced plastic surface punches at a distance from a segment distance, connects vacuum lead;
(13) Mold Making finishes, and feeds deep fat toward the interior circulation of hollow copper tubing, produces.
The above; Be merely the specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any those of ordinary skill in the art are in the technical scope that the present invention disclosed, and variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. a blade of wind-driven generator carbon fiber beam is with the manufacturing approach of oil bath heating mould, and it is characterized in that: this manufacturing approach mainly may further comprise the steps:
(1) gets into complete blade lifting in the mould of blade, vanes fixed;
(2) play releasing agent in fine strain of millet cap position, lay 15 layers of four glass cloth along the center line symmetric position;
(3) spread release cloth, barrier film, water conservancy diversion net, Omega pipe, spiral jacket equal vacuum auxiliary material successively, stamp vacuum diaphragm twice, vacuumize, join the glue perfusion;
(4) on beam, blow hot gas with four to five hot blast gas operated devices, keep about 70 ℃ of environment temperatures, treat after the completion of cure, remove surperficial auxiliary material, carry out skin patching again, obtain intact fiberglass;
(5) the symmetry shop stainless (steel) wire toward glass fiber reinforced plastic surface along position of center line;
(6) above stainless (steel) wire, put many hollow copper tubings with proportional spacing, finer wire is passed in the hollow copper tubing the inside, and finer wire length is longer than hollow copper tubing length, and hollow copper tubing length is longer than fiberglass length;
(7) above stainless (steel) wire, pour into a mould the mixture of aluminium powder, resin and curing agent;
(8) stick with paste glass cloth, four layers of twin shaft cloth, two-layer three cloth at surperficial hand;
(9) fiberglass both sides side placing steel tubes, it is two-layer to lay the twin shaft glass cloth simultaneously;
(10) mold base is sling be placed on the fiberglass welded steel structure;
(11) treat the firm back demoulding of structure, at the mold bottom covering insulation material;
(12) complete mould is sling just be placed on the ground, glass fiber reinforced plastic surface punches at a distance from a segment distance, connects vacuum lead;
(13) Mold Making finishes, and feeds deep fat toward the interior circulation of hollow copper tubing, produces.
2. blade of wind-driven generator carbon fiber beam according to claim 1 is characterized in that with the manufacturing approach of oil bath heating mould: four glass cloth specifications of being laid in the said step (2) are long 39m, wide 900mm, and density is 1268g/m
2Four glass cloth.
3. blade of wind-driven generator carbon fiber beam according to claim 2 is characterized in that with the manufacturing approach of oil bath heating mould: the stainless (steel) wire specification in the said step (5) is long 38.5m, the stainless (steel) wire of wide 350mm.
4. blade of wind-driven generator carbon fiber beam according to claim 1 is characterized in that with the manufacturing approach of oil bath heating mould: the external diameter of said step (6) hollow core copper pipe is 10mm, and the lay spacing is 5cm, places 8 altogether.
5. blade of wind-driven generator carbon fiber beam according to claim 1 is with the manufacturing approach of oil bath heating mould; It is characterized in that: the mass ratio of aluminium powder and epoxy resin, curing agent mixture is 15: 100 to 20: 100 in the said step (7), and mixture becomes thick.
6. blade of wind-driven generator carbon fiber beam according to claim 1 is with the manufacturing approach of oil bath heating mould; It is characterized in that: the outer diameter of steel pipes of being laid in the said step (9) is 60mm; Said twin shaft glass cloth is that specification is 500mm * 400mm, and is every at a distance from two of 1m hand pastes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110121505XA CN102773948A (en) | 2011-05-12 | 2011-05-12 | Manufacturing method of oil bath heating die used for wind generator blade carbon fiber girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110121505XA CN102773948A (en) | 2011-05-12 | 2011-05-12 | Manufacturing method of oil bath heating die used for wind generator blade carbon fiber girder |
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| Publication Number | Publication Date |
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| CN102773948A true CN102773948A (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110121505XA Pending CN102773948A (en) | 2011-05-12 | 2011-05-12 | Manufacturing method of oil bath heating die used for wind generator blade carbon fiber girder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346100A (en) * | 2015-11-23 | 2016-02-24 | 洛阳双瑞风电叶片有限公司 | Method for manufacturing wind power blade crossbeam mold |
| CN109986802A (en) * | 2017-12-29 | 2019-07-09 | 北京金风科创风电设备有限公司 | Wind generating set blade internal reinforcement preparation method and wind generating set blade |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5314309A (en) * | 1990-05-25 | 1994-05-24 | Anthony Blakeley | Turbine blade with metallic attachment and method of making the same |
| CN1758995A (en) * | 2003-03-06 | 2006-04-12 | 维斯塔斯风力系统公司 | Pre-form and method of preparing a pre-form |
| CN101391490A (en) * | 2008-10-29 | 2009-03-25 | 哈尔滨玻璃钢研究院 | Continuous spiral laying forming method without mold for resin based composite material fin |
| CN101666290A (en) * | 2009-10-14 | 2010-03-10 | 黄争鸣 | Wind turbine blade structure, processing and forming method and applications thereof |
| CN102049864A (en) * | 2009-10-30 | 2011-05-11 | 通用电气公司 | Methods of manufacture of wind turbine blades and other structures |
-
2011
- 2011-05-12 CN CN201110121505XA patent/CN102773948A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5314309A (en) * | 1990-05-25 | 1994-05-24 | Anthony Blakeley | Turbine blade with metallic attachment and method of making the same |
| CN1758995A (en) * | 2003-03-06 | 2006-04-12 | 维斯塔斯风力系统公司 | Pre-form and method of preparing a pre-form |
| CN101391490A (en) * | 2008-10-29 | 2009-03-25 | 哈尔滨玻璃钢研究院 | Continuous spiral laying forming method without mold for resin based composite material fin |
| CN101666290A (en) * | 2009-10-14 | 2010-03-10 | 黄争鸣 | Wind turbine blade structure, processing and forming method and applications thereof |
| CN102049864A (en) * | 2009-10-30 | 2011-05-11 | 通用电气公司 | Methods of manufacture of wind turbine blades and other structures |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346100A (en) * | 2015-11-23 | 2016-02-24 | 洛阳双瑞风电叶片有限公司 | Method for manufacturing wind power blade crossbeam mold |
| CN105346100B (en) * | 2015-11-23 | 2017-05-31 | 洛阳双瑞风电叶片有限公司 | A kind of preparation method of the big beam mould of wind electricity blade |
| CN109986802A (en) * | 2017-12-29 | 2019-07-09 | 北京金风科创风电设备有限公司 | Wind generating set blade internal reinforcement preparation method and wind generating set blade |
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Application publication date: 20121114 |