CN101767463A - Vacuum material module for fast demoulding and application thereof - Google Patents
Vacuum material module for fast demoulding and application thereof Download PDFInfo
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- CN101767463A CN101767463A CN200910264261A CN200910264261A CN101767463A CN 101767463 A CN101767463 A CN 101767463A CN 200910264261 A CN200910264261 A CN 200910264261A CN 200910264261 A CN200910264261 A CN 200910264261A CN 101767463 A CN101767463 A CN 101767463A
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Abstract
The invention relates to a vacuum material module for fast demoulding for a wind power generation blade and application thereof. The vacuum material module for fast demoulding comprises a demoulding material layer, an isolating film layer with holes, a diversion net layer and an omega-shaped pipe, wherein the demoulding material layer is fit with the isolating film layer with the holes, the other surface of the isolating film layer with the holes is fit with the diversion net layer, the other surface of the diversion net layer is fit with the omega-shaped pipe, and the demoulding material layer, the isolating film layer with the holes, the diversion net layer and the omega-shaped pipe are combined into a whole. The application of the vacuum material module for fast demoulding in the production of the wind power generation blade comprises the steps as follows: precleaning; paving a product structure layer; paving the vacuum material module; vacuumizing in a sealing way; grouting in vacuum and previously solidifying; assembling the module and solidifying; and drawing the module. The invention realizes the advantages of whole paving and whole demoulding, greatly reduces the work time, improves the production efficiency, realizes the professionalization of work procedures, guarantees the paving quality, reduces the waste of vacuum material, and reduces the synthesis cost.
Description
Technical field
The invention belongs to technical field of wind power generation, specifically relate to a kind of wind power generation blade vacuum material module for fast demoulding and application thereof.
Background technology
At present, most in the world megawatt level wind power generation blades all use vacuum-assisted resin transfer molding (VARTM) technology, vacuum-assisted resin transfer molding (VARTM) technology is a kind of advanced person's a manufacturing technology, it is the molded technology of low cost liquid of the large-scale composite material product that belongs to novel, is a type of RTM (processing of polymer matrix composites technology).It mainly utilizes negative pressure of vacuum to discharge the gas in the fiber and realizes the dipping of resin to fiber.Advantages such as it has that formed product is fast, environmental protection, low cost, performance are good, high efficiency, good mechanical property, low space.But in vacuum-assisted resin transfer molding (VARTM) technology, the laying of material is required than higher, as in air-tightness, all must reach certain requirement, and will stop defective such as bridge formation with aspects such as type, productivity ratio.During special, blade that generated output bigger longer in production length, the laying difficulty of vacuum material is higher, needs usually to drop into great amount of manpower and go to carry out lay-up operation man-hour.In addition, because the production operation environment of a lot of factories is relatively poor, the blade mold peripheral frame is also more coarse, when laying vacuum material, can cause the damage of vacuum material owing to careless manipulation, cause the waste of material, increase material cost, and this kind successively to lay the mode of operation efficient of vacuum material very low, cause the cost manufactured too high.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, fast demoulding is used after providing a kind of wind power generation blade die casting to finish vacuum material module and application thereof, this vacuum material module advanced design, reliable in quality, with low cost, production efficiency is high, has effectively guaranteed the quality and the efficient of the wind power generation blade demoulding.
According to technical scheme provided by the invention, described vacuum material module for fast demoulding comprises demoulding material layer, separating film layer with holes, water conservancy diversion stratum reticulare and Ω type pipe, release materials layer and separating film layer with holes fit, the another side of separating film layer with holes and water conservancy diversion stratum reticulare fit, the another side of water conservancy diversion stratum reticulare is in conjunction with Ω type pipe, and release materials layer, separating film layer with holes, water conservancy diversion stratum reticulare and Ω type duct ligation are integrated.
As a further improvement on the present invention, to adopt textile single quilt be one for described release materials layer, separating film layer with holes, water conservancy diversion stratum reticulare; Described water conservancy diversion stratum reticulare and Ω type pipe adopt the vacuum seal rubber belt bonding with viscosity fixing, must not stop up hexagon ring the flowing with the blocking-proof resin matrix of separating film layer during bonding.
As a further improvement on the present invention, described demoulding material layer adopts nylon material to make, and its weight is 85 ± 5g/m
2, tensile strength 〉=280MPa, the demoulding material layer has fabulous wellability and impregnability to resin.
As a further improvement on the present invention, described separating film layer with holes adopts polypropylene or polythene material to make, and is used to separate glass and strengthens thermosetting part and resin medium (VA-RIM/RTM), and it has fabulous demoulding characteristic; The typical thickness of separating film layer with holes is 25 μ m, and ultimate strength is 100MPa, and ductility is 100%; Hole on the separating film layer with holes is a hexagonal configuration, and the aperture is 0.8mm, between the hole each other at a distance of 5mm.
As a further improvement on the present invention, described water conservancy diversion stratum reticulare adopts low density polyethylene (LDPE), polypropylene or high-density polyethylene material to make; The water conservancy diversion stratum reticulare adopts netting twine to work out, and the netting twine diameter is 0.5 ± 0.1mm; Form of presentation is a diamond-mesh, and the angle of diamond hole is 75 ± 5 °, and the water conservancy diversion stratum reticulare has enough flexibilities with the accommodation curve surface.
As a further improvement on the present invention, described Ω type pipe adopts polypropylene or polythene material to make, and has good chemical stability and heat endurance; Ω type pipe is translucent, and its inside and outside side is smooth; Ω type pipe 4 opening diameters are 18mm, and under the load effect, the profile of Ω type pipe has 1: 2 elasticity to be fit to the curved profile of mould.
The application of described vacuum material module for fast demoulding in wind power generation blade production comprises the steps:
(a), mould pre-cleaning: mould inner surface vacuum cleaning, and use the cotton wiped clean; And then pick releasing agent mould inner surface wiping 1-3 time with cotton;
(b), shop product structure layer: according to Structural Design Requirement, fiberglass layer, bamboo wood, PVC foam and fiberglass layer are successively laid in the relevant position in blade mold, and fiberglass layer, bamboo wood, PVC foam are formed the product structure layer;
(c), shop vacuum material module: described vacuum material module is layered on the product structure layer in the step (b), and demoulding material layer and product structure layer in the vacuum material module fit;
(d), sealing vacuumizes: on mould, paste vacuum diaphragm, be evacuated to vacuum after the bore seal with vacuum diaphragm and mould to be-0.09MPa～-0.08MPa, pressurize half an hour, guarantee air tight;
(e), priming by vacuum and precuring: under the vacuum state in step (d), in mould, pour into epoxy resin,, after precuring 6-8 hour, take the vacuum material module in the step (3) off with mold heated to 65 ℃ via Ω type pipe;
(f), matched moulds solidifies and molding: need bonding position to coat epoxy structural rubber on counterdie, then matched moulds; Behind the blade matched moulds, mould is heated to 70 ℃ up and down, solidifies 8-10 hour under this temperature conditions; After curing is finished, leaf natural is cooled off 20-30 ℃,, can carry out post processing and assembly process the blade molding.
The present invention compared with prior art, advantage is:
(1), pre-assembling forms vacuum material module, after in blade mold, finishing the laying of product structure layer of blade, directly with vacuum material module size lay according to actual position via, realize whole advantage of laying the whole demoulding, significantly reduce the activity duration of on mould, successively laying vacuum material and successively sloughing vacuum material, improved production efficiency.
(2), the release materials layer is layered on above the layer of product structure shop, before removing, can play the effect of avoiding impurity to immerse, after removing, make adhesive surface coarse, not need extra cleaning and polishing during use, minimizing is cleared up and is polished man-hour, has also reduced the pollution of polishing dust in the workshop condition.
(3), realized the specialization of operation having guaranteed laying quality, reduced the waste of vacuum material, reduced integrated cost.
Description of drawings
Fig. 1 is a schematic cross-section of the present invention.
Fig. 2 is a wind power generation blade production procedure schematic diagram.
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in Figure 1, vacuum material module for fast demoulding of the present invention mainly is made up of release materials layer 1, separating film layer with holes 2, water conservancy diversion stratum reticulare 3 and Ω type pipe 4, release materials layer 1 fits with separating film layer 2 with holes, the another side of separating film layer 2 with holes and water conservancy diversion stratum reticulare 3 fit, and it is one that release materials layer 1, separating film layer with holes 2 and water conservancy diversion stratum reticulare 3 adopt common textile single quilt; The another side of described water conservancy diversion stratum reticulare 3 must not stop up hexagon ring the flowing with the blocking-proof resin matrix of separating film layer by having the vacuum seal rubber belt adhesive bond Ω type pipe 4 of viscosity during bonding.
Described demoulding material layer 1 adopts nylon material to make, and its weight is 85 ± 5g/m
2, tensile strength 〉=280MPa, 1 pair of resin of demoulding material layer has fabulous wellability and impregnability.
Described separating film layer with holes 2 adopts polypropylene or polythene material to make, and is used to separate glass and strengthens thermosetting part and resin medium (VA-RIM/RTM), and separating film layer 2 with holes has fabulous demoulding characteristic; The typical thickness of separating film layer 2 with holes is 25 μ m, and ultimate strength is 100MPa, and ductility is 100%; Hole on the separating film layer 2 with holes is a hexagonal configuration, and the aperture is 0.8mm, between the hole each other at a distance of 5mm.
Described water conservancy diversion stratum reticulare 3 adopts low density polyethylene (LDPE), polypropylene or high-density polyethylene material to make, and water conservancy diversion stratum reticulare 3 is led the effect of playing permeable medium in the notes in the product vacuum, can make resin evenly be penetrated into any position of product apace; The netting twine that water conservancy diversion stratum reticulare 3 preferred employing diameters are 0.5 ± 0.1mm is worked out, and it has enough flexibilities with the accommodation curve surface; The thickness of water conservancy diversion stratum reticulare 3 is 1.0 ± 0.2mm, and form of presentation is a diamond-mesh, and the angle of diamond hole is 75 ± 5 °.
Described Ω type pipe 4 adopts polypropylene or polythene material to make, and has good chemical stability and heat endurance; Ω type pipe 4 is translucent, and its inside and outside side is smooth; Ω type pipe 4 opening diameters are 18mm, and under the load effect, the profile of Ω type pipe 4 has 1: 2 elasticity to be fit to the curved profile of mould.
As shown in Figure 1 and Figure 2, the profile phase of use location adapts on the shape of described vacuum material module for fast demoulding and the mould, but convolution was deposited after assembling was finished.Its application in wind power generation blade production comprises the steps:
(a), mould pre-cleaning: mould inner surface vacuum cleaning, and use the cotton wiped clean; And then pick releasing agent mould inner surface wiping 1-3 time with cotton;
(b), shop product structure layer: according to Structural Design Requirement, fiberglass layer, bamboo wood, PVC foam and fiberglass layer are successively laid in the relevant position in blade mold, and fiberglass layer, bamboo wood, PVC foam and fiberglass layer are formed the product structure layer;
(c), shop vacuum material module: described vacuum material module is layered on the product structure layer 5 in the step (b), and the demoulding material layer 1 in the vacuum material module fits with product structure layer 5;
(d), sealing vacuumizes: on mould, paste vacuum diaphragm, be evacuated to vacuum after the bore seal with vacuum diaphragm and mould to be-0.09MPa～-0.08MPa, pressurize half an hour, guarantee air tight;
(e), priming by vacuum and precuring: under the vacuum state in step (d), in mould, pour into epoxy resin,, after precuring 6-8 hour, take the vacuum material module in the step (3) off with mold heated to 65 ℃ via Ω type pipe 4;
(f), matched moulds solidifies and molding: need bonding position to coat epoxy structural rubber on counterdie, then matched moulds; Behind the blade matched moulds, mould is heated to 70 ℃ up and down, solidifies 8-10 hour under this temperature conditions; After curing is finished, leaf natural is cooled off 20-30 ℃,, can carry out post processing and assembly process the blade molding.
Claims (10)
1. vacuum material module for fast demoulding, it is characterized in that comprising demoulding material layer (1), separating film layer with holes (2), water conservancy diversion stratum reticulare (3) and Ω type pipe (4), release materials layer (1) fits with separating film layer with holes (2), the another side of separating film layer with holes (2) and water conservancy diversion stratum reticulare (3) fit, the another side of water conservancy diversion stratum reticulare (3) is in conjunction with Ω type pipe (4), and release materials layer (1), separating film layer with holes (2), water conservancy diversion stratum reticulare (3) and Ω type pipe (4) are combined as a whole.
2. vacuum material module for fast demoulding as claimed in claim 1, its feature also is, it is one that described release materials layer (1), separating film layer with holes (2), water conservancy diversion stratum reticulare (3) adopt line body quilt, and described water conservancy diversion stratum reticulare and Ω type pipe adopt bonding mode to fix.
3. vacuum material module for fast demoulding as claimed in claim 1, its feature are that also described demoulding material layer (1) adopts nylon material to make, and its weight is 85 ± 5g/m
2, tensile strength 〉=280MPa.
4. vacuum material module for fast demoulding as claimed in claim 1, its feature are that also described separating film layer with holes (2) adopts polypropylene or polythene material to make, and its typical thickness is 25 μ m, and ultimate strength is 100MPa, and ductility is 100%.
5. vacuum material module for fast demoulding as claimed in claim 1, its feature are that also described water conservancy diversion stratum reticulare (3) adopts low density polyethylene (LDPE), polypropylene or high-density polyethylene material to make.
6. vacuum material module for fast demoulding as claimed in claim 1, its feature are that also described Ω type pipe (4) adopts polypropylene or polythene material to make, and its thickness is 1.0 ± 0.2mm.
7. vacuum material module for fast demoulding as claimed in claim 4, its feature are that also the hole on the described separating film layer with holes (2) is a hexagonal configuration, and the aperture is 0.8mm, between the hole each other at a distance of 5mm.
8. vacuum material module for fast demoulding as claimed in claim 5, its feature are that also described water conservancy diversion stratum reticulare (3) adopts netting twine to work out, and the netting twine diameter is 0.5 ± 0.1mm; Form of presentation is a diamond-mesh, and the angle of diamond hole is 75 ± 5 °.
9. vacuum material module for fast demoulding as claimed in claim 6, its feature are that also the opening diameter of described Ω type pipe (4) is 18mm.
10. as the application of each described vacuum material module for fast demoulding of claim 1-9 in wind power generation blade is produced, it is characterized in that comprising the steps:
(a), mould pre-cleaning: mould inner surface vacuum cleaning, and use the cotton wiped clean; And then pick releasing agent mould inner surface wiping 1-3 time with cotton;
(b), shop product structure layer: according to Structural Design Requirement, fiberglass layer, bamboo wood, PVC foam and fiberglass layer are successively laid in the relevant position in blade mold, and fiberglass layer, bamboo wood, PVC foam and fiberglass layer are formed product structure layer (5);
(c), shop vacuum material module: described vacuum material module is layered on the product structure layer (5) in the step (b), and the demoulding material layer (1) in the vacuum material module fits with product structure layer (5);
(d), sealing vacuumizes: on mould, paste vacuum diaphragm, be evacuated to vacuum after the bore seal with vacuum diaphragm and mould to be-0.09MPa～-0.08MPa, pressurize half an hour, guarantee air tight;
(e), priming by vacuum and precuring: under the vacuum state in step (d), in mould, pour into epoxy resin,, after precuring 6-8 hour, take the vacuum material module in the step (3) off with mold heated to 65 ℃ via Ω type pipe (4);
(f), matched moulds solidifies and molding: need bonding position to coat epoxy structural rubber on counterdie, then matched moulds; Behind the blade matched moulds, mould is heated to 70 ℃ up and down, solidifies 8-10 hour under this temperature conditions; After curing is finished, leaf natural is cooled off 20-30 ℃,, can carry out post processing and assembly process the blade molding.
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| CN200910264261A CN101767463A (en) | 2009-12-29 | 2009-12-29 | Vacuum material module for fast demoulding and application thereof |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092134A (en) * | 2010-11-08 | 2011-06-15 | 天津东汽风电叶片工程有限公司 | Integrated infusion molding method for front and rear edge flanges and shell of wind turbine blade |
| CN102501394A (en) * | 2011-11-22 | 2012-06-20 | 上海沥高科技有限公司 | Vacuum infusion molding process for compound material and flow guide net thereof |
| CN102774017A (en) * | 2011-05-12 | 2012-11-14 | 南通东泰新能源设备有限公司 | Upward flow guiding method of wind generator blade spar cap |
| CN102963007A (en) * | 2012-11-22 | 2013-03-13 | 昆山华风风电科技有限公司 | Novel manufacturing process for front edge of wind power generation blade |
| CN103350514A (en) * | 2013-06-25 | 2013-10-16 | 常州市宏发纵横新材料科技股份有限公司 | Preparation process of double-surface flat glass steel plate for laboratory test |
| CN104669643A (en) * | 2013-11-26 | 2015-06-03 | 比亚迪股份有限公司 | Apparatus and method for producing fiber composite shell |
| CN104908340A (en) * | 2015-06-03 | 2015-09-16 | 广东明阳风电产业集团有限公司 | Pouring structure and pouring process for wind power generator blade web |
| CN105069495A (en) * | 2015-08-12 | 2015-11-18 | 洛阳双瑞风电叶片有限公司 | Method for monitoring production state and operation and maintenance state of wind power blade |
| CN105235008A (en) * | 2015-11-06 | 2016-01-13 | 优利康达（天津）科技有限公司 | Novel pored isolating film and production equipment thereof |
| CN107073757A (en) * | 2014-08-19 | 2017-08-18 | Lm Wp 专利控股有限公司 | The method for manufacturing the mould for wind turbine blade shell |
| CN107187080A (en) * | 2017-05-25 | 2017-09-22 | 中材科技(萍乡)风电叶片有限公司 | One kind is used for composite thick member vacuum infusion molding process for compound method |
| CN109747190A (en) * | 2017-11-06 | 2019-05-14 | 江苏越科新材料有限公司 | A kind of priming by vacuum flow-guiding screen and its preparation method and application |
| CN111136932A (en) * | 2019-12-27 | 2020-05-12 | 中材科技（邯郸）风电叶片有限公司 | Method capable of quickly laying auxiliary material |
| CN111645341A (en) * | 2020-06-11 | 2020-09-11 | 中国航空制造技术研究院 | Method for controlling curing deformation of composite material reinforced wall plate |
| WO2020245079A1 (en) | 2019-06-05 | 2020-12-10 | Covestro Intellectual Property Gmbh & Co. Kg | A method for preparing a polyurethane composite by a vacuum infusion process |
| EP3763514A1 (en) | 2019-07-11 | 2021-01-13 | Covestro Deutschland AG | A method for preparing a polyurethane composite by a vacuum infusion process |
-
2009
- 2009-12-29 CN CN200910264261A patent/CN101767463A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092134A (en) * | 2010-11-08 | 2011-06-15 | 天津东汽风电叶片工程有限公司 | Integrated infusion molding method for front and rear edge flanges and shell of wind turbine blade |
| CN102092134B (en) * | 2010-11-08 | 2013-05-15 | 天津东汽风电叶片工程有限公司 | Integrated infusion molding method for front and rear edge flanges and shell of wind turbine blade |
| CN102774017A (en) * | 2011-05-12 | 2012-11-14 | 南通东泰新能源设备有限公司 | Upward flow guiding method of wind generator blade spar cap |
| CN102501394A (en) * | 2011-11-22 | 2012-06-20 | 上海沥高科技有限公司 | Vacuum infusion molding process for compound material and flow guide net thereof |
| CN102963007A (en) * | 2012-11-22 | 2013-03-13 | 昆山华风风电科技有限公司 | Novel manufacturing process for front edge of wind power generation blade |
| CN103350514B (en) * | 2013-06-25 | 2015-04-01 | 常州市宏发纵横新材料科技股份有限公司 | Preparation process of double-surface flat glass steel plate for laboratory test |
| CN103350514A (en) * | 2013-06-25 | 2013-10-16 | 常州市宏发纵横新材料科技股份有限公司 | Preparation process of double-surface flat glass steel plate for laboratory test |
| CN104669643A (en) * | 2013-11-26 | 2015-06-03 | 比亚迪股份有限公司 | Apparatus and method for producing fiber composite shell |
| CN107073757A (en) * | 2014-08-19 | 2017-08-18 | Lm Wp 专利控股有限公司 | The method for manufacturing the mould for wind turbine blade shell |
| CN107073757B (en) * | 2014-08-19 | 2021-10-12 | Lm Wp 专利控股有限公司 | Method of manufacturing a mould for a wind turbine blade shell |
| CN104908340A (en) * | 2015-06-03 | 2015-09-16 | 广东明阳风电产业集团有限公司 | Pouring structure and pouring process for wind power generator blade web |
| CN105069495B (en) * | 2015-08-12 | 2018-02-16 | 洛阳双瑞风电叶片有限公司 | It is a kind of to be used for wind electricity blade production status and the method for O＆M condition monitoring |
| CN105069495A (en) * | 2015-08-12 | 2015-11-18 | 洛阳双瑞风电叶片有限公司 | Method for monitoring production state and operation and maintenance state of wind power blade |
| CN105235008A (en) * | 2015-11-06 | 2016-01-13 | 优利康达（天津）科技有限公司 | Novel pored isolating film and production equipment thereof |
| CN107187080A (en) * | 2017-05-25 | 2017-09-22 | 中材科技(萍乡)风电叶片有限公司 | One kind is used for composite thick member vacuum infusion molding process for compound method |
| CN109747190A (en) * | 2017-11-06 | 2019-05-14 | 江苏越科新材料有限公司 | A kind of priming by vacuum flow-guiding screen and its preparation method and application |
| WO2020245079A1 (en) | 2019-06-05 | 2020-12-10 | Covestro Intellectual Property Gmbh & Co. Kg | A method for preparing a polyurethane composite by a vacuum infusion process |
| EP3763514A1 (en) | 2019-07-11 | 2021-01-13 | Covestro Deutschland AG | A method for preparing a polyurethane composite by a vacuum infusion process |
| CN111136932A (en) * | 2019-12-27 | 2020-05-12 | 中材科技（邯郸）风电叶片有限公司 | Method capable of quickly laying auxiliary material |
| CN111645341A (en) * | 2020-06-11 | 2020-09-11 | 中国航空制造技术研究院 | Method for controlling curing deformation of composite material reinforced wall plate |
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