CN114523691B - Manufacturing method of wind power blade bonding angle mold - Google Patents
Manufacturing method of wind power blade bonding angle mold Download PDFInfo
- Publication number
- CN114523691B CN114523691B CN202210073555.3A CN202210073555A CN114523691B CN 114523691 B CN114523691 B CN 114523691B CN 202210073555 A CN202210073555 A CN 202210073555A CN 114523691 B CN114523691 B CN 114523691B
- Authority
- CN
- China
- Prior art keywords
- bonding angle
- mold
- manufacturing
- auxiliary
- mould
- 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.)
- Active
Links
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
- B29C70/36—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 impregnating by casting, e.g. vacuum casting
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The application relates to the technical field of wind power blade manufacturing, and discloses a manufacturing method of a wind power blade bonding angle mould. According to the application, the second auxiliary bonding angle die and the third auxiliary bonding angle die … … n are integrally poured and formed by taking the first auxiliary bonding angle die as a reference, so that the manufacturing procedures are reduced, the operation difficulty is reduced, the manufacturing efficiency is improved, the die strength is better, and the consistency between the dies is higher.
Description
Technical Field
The application relates to a manufacturing method of a wind power blade bonding angle mould, and belongs to the technical field of wind power blades.
Background
Along with the promotion of national energy conservation and emission reduction policies, green and environment-friendly energy is a key development direction in the future, and wind energy has great development potential as a pollution-free renewable green development energy, and has very important significance as a reliable way for solving production and living energy, especially for islands along the coast, remote mountain areas, grassland pastures, rural areas and border areas which are far away from the power grid and are difficult to reach in a short period. Wind energy has the advantages of low energy consumption, environmental protection and large reserve, the wind energy is usually utilized by converting wind energy into electric energy through a wind turbine generator, so that wind power is utilized to generate electricity, the blade is one of core components of the wind turbine generator, wind power generation is needed to be realized through the wind power blade, bonding positions of the blade are bonding angles, the bonding angles are used as key areas for bonding the blade, the service life of the blade is greatly influenced, and a bonding angle mold for determining the shape of the bonding angles plays a very important role in the manufacturing process of the blade.
At present, most of wind power blade bonding angle molds are manufactured by blade manufacturers, and the main current manufacturing method of the bonding angle molds basically adopts a mode of respectively pouring bonding angle mold assemblies on PS surfaces and SS surfaces of shell molds and manufacturing the bonding angle molds in a mode of mold closing and bonding. The method mainly has the following problems:
1. the adhesive has low bonding strength, heavier templates, various procedures and overlong manufacturing time;
2. wind power blades of the same blade type are usually manufactured by using a plurality of sets of dies, and the difference of bonding angle dies among different dies is large, so that the consistency among the dies is poor, and the quality of products is affected to a certain extent.
Disclosure of Invention
The manufacturing method of the wind power blade bonding angle die provided by the application can reduce the manufacturing period of the bonding angle die of the same blade type wind power blade, reduce manufacturing procedures, reduce operation difficulty, improve the strength of the die and improve the consistency among multiple pairs of dies.
In order to achieve the above purpose, the application adopts the following technical scheme: and after the blade shell is poured and solidified, the first auxiliary bonding angle die is removed from the blade shell die, and a plurality of other auxiliary bonding angle dies are manufactured by taking the placement position of the first auxiliary bonding angle die on the blade shell die as a reference.
Preferably, the manufacturing of the other plurality of auxiliary bonding angle molds by taking the placement position of the first auxiliary bonding angle mold on the blade shell mold as a reference refers to that a new bonding angle mold is integrally poured and molded on the placement position of the first auxiliary bonding angle mold.
Preferably, after a new bonding angle mold is integrally poured and molded on the placement position of the first auxiliary bonding angle mold, the new bonding angle mold is taken down and the new bonding angle mold is segmented and cut into bonding angle mold segments.
Preferably, when a new wind power blade is to be manufactured, the piecewise cut bond angle mold segments are assembled to the bond angle mold placement locations in the blade shell mold and form an integral bond angle mold for use in manufacturing the new wind power blade.
Preferably, the first auxiliary bonding angle mold is manufactured by the following steps:
s1, respectively pouring an adhesive angle mold base and a panel on a PS surface and an SS surface of a blade shell mold;
s2, the base of the bonding angle die and the panel are bonded by an adhesive in a die-closing mode;
s3: and repairing and reinforcing the bonding angle die base and the panel after bonding the bonding die, and completing the manufacture of the first auxiliary bonding angle die.
Preferably, the first auxiliary bonding angle mold is removed, specifically, the first auxiliary bonding angle mold and the auxiliary material are removed from the blade shell mold.
Preferably, the manufacturing of the other plurality of auxiliary bonding angle molds with the first auxiliary bonding angle mold placement position on the blade shell mold as a reference comprises the following steps:
s1: paving a demolding auxiliary material on the first auxiliary bonding angle mold placing position;
s2: paving a plurality of layers of glass fiber cloth on the demolding auxiliary material;
s3: and manufacturing a new bonding angle mould by using glass fiber cloth.
Preferably, the method for manufacturing the novel bonding angle mould by using the glass fiber cloth comprises the following steps: and arranging an air extraction system on the glass fiber cloth, pouring auxiliary materials, and sealing through vacuum auxiliary materials.
Preferably, the method for manufacturing the novel bonding angle mould by using the glass fiber cloth further comprises the following steps: and after the sealed glass fiber cloth is qualified in pressure maintaining, introducing infused resin in vacuum through a feeding pipe and heating until the glass fiber cloth is heated to the temperature required by the process, and then carrying out heat preservation and solidification.
Preferably, the method for manufacturing the novel bonding angle mould by using the glass fiber cloth further comprises the following steps: polishing and deburring the glass fiber cloth after heat preservation and solidification to obtain a new bonding angle die, and then cutting the new bonding angle die in sections according to the technological requirements to obtain the bonding angle die sections.
The application has the beneficial effects that: the second pair of bonding angle dies and the third pair … … n pair of bonding angle dies in the application are integrally poured and molded by taking the first pair of bonding angle dies in the blade shell die as a reference, compared with the traditional bonding angle die manufacturing mode, the manufacturing process is reduced, the manufacturing efficiency is improved, the produced bonding angle dies are better in integrity, higher in die strength and high in consistency, and the cost of intersecting materials and labor cost can be greatly increased.
Drawings
Fig. 1 is a schematic cross-sectional view of a bonding corner mold.
Fig. 2 shows the fabricated and segmented cut bonding corner mold segments.
The reference numerals include: 1. a blade shell mold; 2. a blade housing; 3. blade bonding angle; 4. an air extraction system; 5. demolding auxiliary materials; 6. glass fiber cloth; 7. pouring auxiliary materials; 8. vacuum auxiliary materials; 9. and a feeding pipe.
Detailed Description
Embodiments of the present application are described in detail below with reference to fig. 1-2:
the wind power blade bonding angle mold manufacturing method comprises the steps that a wind power blade shell 2 comprises a pressure surface (PS surface) and a suction surface (SS surface), a blade shell mold 1 also comprises the pressure surface (PS surface) and the suction surface (SS surface), a bonding part of the pressure surface and the suction surface is a blade bonding angle 3, and in the blade manufacturing process, in order to improve the service performance and the service life of a blade, the bonding angle mold is needed to be used at the blade bonding angle 3.
The blade of same blade profile includes many pairs of angle moulds that bond, first pair of angle mould that bonds of manufacturing first pair, and the manufacturing procedure of first pair of angle mould that bonds is as follows:
s1, respectively pouring an adhesive angle mold base and a panel on a PS surface and an SS surface of a blade shell mold 1;
s2, the base of the bonding angle die and the panel are bonded by an adhesive in a die-closing mode;
s3: and repairing and reinforcing the bonding angle die base and the panel after bonding the bonding die, and completing the manufacture of the first auxiliary bonding angle die.
The blade shell 2 is poured and solidified, and then the first auxiliary bonding angle mould is removed from the blade shell mould 1, specifically, the first auxiliary bonding angle mould and auxiliary materials are removed from the blade shell mould 1, and a plurality of new second auxiliary bonding angle moulds, third auxiliary bonding angle moulds … … nth auxiliary and other auxiliary bonding angle moulds are integrally poured and molded by taking the placement position of the first auxiliary bonding angle mould on the blade shell mould 1 as a reference. And the second pair and the third pair … … n pair of new bonding angle dies are manufactured in an integral pouring molding mode, so that compared with the first pair of bonding angle dies and the bonding angle dies in the prior art, the manufacturing period is short, the manufacturing procedures are few, the strength of the bonding angle dies is higher, the service life is longer, and the cost is lower.
The manufacturing of the other pairs of bonding angle molds, namely the second pair of bonding angle molds and the third pair of bonding angle molds … … n, by taking the placement position of the first pair of bonding angle molds on the blade shell mold 1 as a reference comprises the following steps:
s1: paving a demolding auxiliary material 5 on the first auxiliary bonding angle mold placing position;
s2: paving a plurality of layers of glass fiber cloth 6 on the demolding auxiliary material 5;
s3: the novel bonding angle mould is manufactured by utilizing the glass fiber cloth 6 and specifically comprises the following steps: as shown in fig. 1, an air extraction system 4 is arranged on a glass fiber cloth 6, an auxiliary material 7 is poured, and sealing is carried out through a vacuum auxiliary material 8; after the sealed glass fiber cloth 6 is qualified in pressure maintaining, introducing and pouring resin in vacuum through a feeding pipe 9 and heating, and after heating to the temperature required by the process, carrying out heat preservation and solidification; polishing and deburring the glass fiber cloth 6 after heat preservation and solidification to obtain a new integrated bonding angle die; and taking down the new bonding angle mould from the bonding angle mould placement position, and then carrying out sectional cutting on the new bonding angle mould according to the process requirements to obtain the bonding angle mould section shown in figure 2. Because the volume of the integrated bonding angle mould is usually larger, the bonding angle mould is cut into bonding angle mould sections in a segmented way, the bonding angle mould is convenient to place and store, the space can be saved, and the local damage of the bonding angle mould can be prevented. When a new wind power blade is to be manufactured, the piecewise cut bonding angle mold segments are assembled to bonding angle mold placement locations in the blade shell mold 1 and form an integral bonding angle mold for use in manufacturing the new wind power blade.
The above is merely an embodiment of the present application, and the present application is not limited to the field of the present embodiment, but the specific structure and characteristics of the present application are not described in detail. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the present application, which should also be considered as the scope of the present application, and which does not affect the effect of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. The manufacturing method of the wind power blade bonding angle mould is characterized in that after the blade shell is poured and solidified, the first auxiliary bonding angle mould is removed from the blade shell mould, and a plurality of other auxiliary bonding angle moulds are manufactured by taking the placement position of the first auxiliary bonding angle mould on the blade shell mould as a reference; the method comprises the steps that a first auxiliary bonding angle mould on a blade shell mould is used as a reference to manufacture a plurality of other auxiliary bonding angle moulds, namely a new bonding angle mould is integrally poured and formed on the first auxiliary bonding angle mould; after a new bonding angle mould is integrally poured and formed on the placement position of the first auxiliary bonding angle mould, the new bonding angle mould is taken down, and the new bonding angle mould is segmented and cut into bonding angle mould segments; when a new wind power blade is to be manufactured, the piecewise cut bonding angle mold segments are assembled onto bonding angle mold placement sites in the blade shell mold and form an integral bonding angle mold for use in manufacturing the new wind power blade.
2. The method for manufacturing a wind power blade bonding angle mold according to claim 1, wherein the first auxiliary bonding angle mold comprises the following manufacturing steps:
s1, respectively pouring an adhesive angle mold base and a panel on a PS surface and an SS surface of a blade shell mold;
s2, the base of the bonding angle die and the panel are bonded by an adhesive in a die-closing mode;
s3: and repairing and reinforcing the bonding angle die base and the panel after bonding the bonding die, and completing the manufacture of the first auxiliary bonding angle die.
3. The method for manufacturing a wind power blade bonding angle mold according to claim 2, wherein the removing of the first auxiliary bonding angle mold is specifically to remove the first auxiliary bonding angle mold and the auxiliary material from the blade shell mold.
4. A method for manufacturing a wind power blade bonding angle mold according to claim 3, wherein the manufacturing of the other plurality of bonding angle molds based on the placement position of the first bonding angle mold on the blade shell mold comprises the following steps:
s1: paving a demolding auxiliary material on the first auxiliary bonding angle mold placing position;
s2: paving a plurality of layers of glass fiber cloth on the demolding auxiliary material;
s3: and manufacturing a new bonding angle mould by using glass fiber cloth.
5. The method for manufacturing the wind power blade bonding angle mold according to claim 4, wherein the manufacturing of the new bonding angle mold by using the glass fiber cloth comprises the following steps: and arranging an air extraction system on the glass fiber cloth, pouring auxiliary materials, and sealing through vacuum auxiliary materials.
6. The method for manufacturing a bonding angle mold for a wind power blade according to claim 5, wherein the manufacturing of a new bonding angle mold by using glass fiber cloth further comprises the following steps: and after the sealed glass fiber cloth is qualified in pressure maintaining, introducing infused resin in vacuum through a feeding pipe and heating until the glass fiber cloth is heated to the temperature required by the process, and then carrying out heat preservation and solidification.
7. The method for manufacturing a bonding angle mold for a wind power blade according to claim 6, wherein the manufacturing of a new bonding angle mold by using glass fiber cloth further comprises the following steps: polishing and deburring the glass fiber cloth after heat preservation and solidification to obtain a new bonding angle die, and then cutting the new bonding angle die in sections according to the technological requirements to obtain the bonding angle die sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210073555.3A CN114523691B (en) | 2022-01-21 | 2022-01-21 | Manufacturing method of wind power blade bonding angle mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210073555.3A CN114523691B (en) | 2022-01-21 | 2022-01-21 | Manufacturing method of wind power blade bonding angle mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114523691A CN114523691A (en) | 2022-05-24 |
| CN114523691B true CN114523691B (en) | 2023-09-26 |
Family
ID=81621203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210073555.3A Active CN114523691B (en) | 2022-01-21 | 2022-01-21 | Manufacturing method of wind power blade bonding angle mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114523691B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671316A (en) * | 2016-12-27 | 2017-05-17 | 锡林浩特晨飞风电设备有限公司 | Making method for bonding angle mold for wind power generator vanes |
-
2022
- 2022-01-21 CN CN202210073555.3A patent/CN114523691B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671316A (en) * | 2016-12-27 | 2017-05-17 | 锡林浩特晨飞风电设备有限公司 | Making method for bonding angle mold for wind power generator vanes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114523691A (en) | 2022-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230364875A1 (en) | Modular wind turbine blade and manufacturing method thereof | |
| CN102797646B (en) | A kind of blade of wind-driven generator and manufacture method thereof | |
| CN109109341B (en) | Preparation method of wind power blade | |
| CN102514205B (en) | A kind of method for molding composite material wind power blade root | |
| CN107246354B (en) | Wind power blade and manufacturing method thereof | |
| CN105346105B (en) | The making mould and preparation method of a kind of wind electricity blade | |
| CN104626620A (en) | Root part prefabricated member mold of assembled type wind power blade and using method thereof | |
| CN105346100A (en) | Method for manufacturing wind power blade crossbeam mold | |
| CN106671450A (en) | Cutting-free making method for wind power vane web plate | |
| CN104552994A (en) | Z-pin reinforced composite wind turbine blade and manufacturing method thereof | |
| CN103395213A (en) | Manufacturing process of megawatt blade tail edge splicing angle | |
| CN103909662A (en) | Method for manufacturing embedded bolt sleeve at root of fan blade by pultrusion process | |
| CN114523691B (en) | Manufacturing method of wind power blade bonding angle mold | |
| CN113002016B (en) | Suction pouring forming method for web plate of megawatt wind power generation blade | |
| CN109732940B (en) | Connecting method of composite material shell of segmented wind power blade mould | |
| CN106738562A (en) | Preparation method of the wind electricity blade with flanging web | |
| CN211230696U (en) | Integrally formed wind driven generator blade | |
| CN110725775A (en) | Integrally-formed wind driven generator blade and manufacturing method thereof | |
| CN116214952A (en) | Manufacturing method of wind power blade trailing edge die assembly core material | |
| CN115782259A (en) | Preparation method and forming die of wind power blade web | |
| CN202746121U (en) | Blade of wind power generator | |
| CN211031288U (en) | Die assembly gap adjusting structure for direct bonding area of rear edge of wind power blade | |
| CN113147057B (en) | Wind power blade root prefabricated part mold and using method thereof | |
| CN205439292U (en) | Outer reinforcement of wind -powered electricity generation blade and casing integrated into one piece's mould | |
| CN212421909U (en) | Structure of TE insert die for wind power generation blade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |