CN105751529A - Unidirectional cloth manufacturing system and layout method thereof - Google Patents
Unidirectional cloth manufacturing system and layout method thereof Download PDFInfo
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- CN105751529A CN105751529A CN201610191790.5A CN201610191790A CN105751529A CN 105751529 A CN105751529 A CN 105751529A CN 201610191790 A CN201610191790 A CN 201610191790A CN 105751529 A CN105751529 A CN 105751529A
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- unidirectional cloth
- main body
- layer
- auxiliary material
- die main
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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
- B29C70/36—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
Abstract
The invention relates to the technical field of manufacturing parts of wind power blades, and discloses an unidirectional cloth manufacturing system and a layout method thereof.The unidirectional cloth manufacturing system comprises a mold body used for laying an unidirectional cloth structure layer and a feeding system, injection guiding openings are formed in the upper surface of the mold body, and the mold body is communicated with the feeding system through the injection guiding openings; the unidirectional cloth manufacturing system further comprises a vacuum system used for extracting air from the unidirectional cloth structure layer laid on the mold body, the unidirectional cloth structure layer comprises a lower layer auxiliary material layer, a body unidirectional cloth material layer and an upper layer auxiliary material layer which are sequentially arranged from bottom to top and laid on the mold body, multiple air extracting openings are formed in the upper layer auxiliary material layer, and the vacuum system is connected with the unidirectional cloth structure layer through the air extracting openings.Perfusion time of unidirectional cloth is shortened, it can be ensured that unidirectional cloth different in thickness and type can be infiltrated well, production efficiency and product quality of wind power blades are improved and ensured, and the unidirectional cloth manufacturing system is suitable for producing main beam unidirectional cloth, different in type and length, of wind power blades.
Description
Technical field
The present invention relates to the parts preparing technical field of wind electricity blade, particularly relate to the layout method of a kind of unidirectional cloth preparation system and this system.
Background technology
Wind electricity blade is the most basic in wind generator system is also most crucial parts, and parts most crucial in main body spar cap blade especially, the reliability of its quality is to ensure that the key factor of Blade Properties, is more to ensure that the determiner that unit normal table runs.At present, in order to make Wind turbines improve generating efficiency, wind electricity blade also can followed by and do longer and longer, in recent years, market enjoy in the MW grade blade of favor, the leading advantage in 2MW blade occuping market, and length is from 38m 59.8m up till now, it is contemplated that may proceed to stride forward to longer paces.
Developing rapidly along with Global Wind-power Market, land wind-powered electricity generation has been subject to the restriction of some objective condition, and the problem of the land wind-powered electricity generation of part comes out gradually, such as noise etc..The congenital supremacy clause of ocean, domestic and international wind-powered electricity generation also progressively marches to sea, and power blade offshore wind farm just big, length length is required.But, offshore wind farm still needs to break through corresponding technical bottleneck, is easier to realize at theoretical design field, but still suffers from a difficult problem in manufacture field, and process layout is unreasonable often can cause scrapping of product, and cost can increase far away.Therefore, can whether technological design layout be reasonable, relate to product component and meet the demand of offshore wind farm Blade Properties.
Summary of the invention
The present invention proposes the layout method of a kind of unidirectional cloth preparation system and this system, it is ensured that different types of unidirectional cloth material, different designs thickness product quality.
The invention provides a kind of unidirectional cloth preparation system, including for laying the die main body of unidirectional cloth structure sheaf, feed system, described die main body upper surface is provided with leads geat, described die main body connects with feed system by leading geat, also includes the vacuum system for bleeding to the unidirectional cloth structure sheaf being laid on die main body；The lower floor's layer of auxiliary material set gradually from top to bottom that described unidirectional cloth structure sheaf includes being laid on die main body, main body unidirectional cloth material layer, upper strata layer of auxiliary material, offering multiple bleeding point in the layer of auxiliary material of described upper strata, described vacuum system is connected with unidirectional cloth structure sheaf by bleeding point.
Wherein, the upper surface of described die main body is the arcuate structure to die main body inner recess.
Wherein, described vacuum system includes exhaust tube and vacuum pump, and one end of described exhaust tube is connected with the bleeding point in the layer of auxiliary material of upper strata, and the other end is connected with vacuum pump.
Wherein, described feed system includes feed pipe, and one end of described feed pipe connects with leading geat, the other end and reservoir.
Wherein, lead geat described in be multiple and be positioned at die main body top surface edge position.
Wherein, comprise the following steps based on this preparation system:
S1: the design of leaf product parts, is manufactured and designed die main body by load, FEM (finite element) model calculating, mechanical property, and is carried out Lay up design；
S2: according to Lay up design, selected auxiliary material and vacuum system and feed system；
S3: lay unidirectional cloth structure sheaf, lay successively from top to bottom, first set a layer layer of auxiliary material on die main body upper berth, re-lay main body unidirectional cloth material layer, finally lays upper strata layer of auxiliary material；
S4: connect feed system and vacuum system；By bleeding point, vacuum system is connected with upper strata layer of auxiliary material, feed pipe is connected with leading geat simultaneously, complete the layout of extract system and feed system；
S5: finally by mixing equipment storage material, can progressively realize the making of unidirectional cloth main body after carrying out priming by vacuum by container.
Wherein, described lower floor layer of auxiliary material is covered with the upper surface of die main body.
Wherein, the laying laying area and main body unidirectional cloth material layer of described upper strata layer of auxiliary material is area matched.
Wherein, described upper strata layer of auxiliary material be lay successively from top to bottom release cloth, airfelt, serpentine pipe, ohm pipe, vacuum bag film.
Wherein, described lower floor layer of auxiliary material is flow-guiding screen, the release cloth laid successively from top to bottom.
Compared with prior art, the invention have the benefit that
1, make unidirectional cloth main body infusion time reduce, and can guarantee that the infiltration that different-thickness, different types of unidirectional cloth main body can be good, and then improve and ensure that production efficiency and the product quality of wind electricity blade.
2, more in the number of plies or common process designs when being difficult to meet product quality requirement, carries out special process layout's design；The different unidirectional cloth different requirements to irrigating design under vacuum system can be met, it is ensured that aerofluxus between unidirectional cloth fibre bundle, it is ensured that product quality.
3, suitable in the wind electricity blade girder unidirectional cloth (containing carbon fiber cloth, glass-fiber-fabric or carbon glass shuffling cloth) of different model and length.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of unidirectional cloth main body of the present invention；
Fig. 2 is the structural representation of unidirectional cloth preparation system of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
As illustrated in fig. 1 and 2, the unidirectional cloth preparation system of the present embodiment, including for laying the die main body 11 of unidirectional cloth structure sheaf, feed system, described die main body 11 upper surface is provided with leads geat 4, described die main body 11 connects with feed system by leading geat 4, also includes the vacuum system for bleeding to the unidirectional cloth structure sheaf being laid on die main body 11；The lower floor's layer of auxiliary material 8 set gradually from top to bottom that described unidirectional cloth structure sheaf includes being laid on die main body 11, main body unidirectional cloth material layer 7, upper strata layer of auxiliary material 5, offering multiple bleeding point 6 in described upper strata layer of auxiliary material 5, described vacuum system is connected with unidirectional cloth structure sheaf by bleeding point 6.Described vacuum system includes exhaust tube 3 and vacuum pump 2, and one end of described exhaust tube 3 is connected with the bleeding point 6 in upper strata layer of auxiliary material 5, and the other end is connected with vacuum pump 2.Described feed system includes feed pipe 9, and one end of described feed pipe 9 connects with leading geat 4, and the other end connects with container 10.The present invention is when preparing unidirectional cloth, unidirectional cloth structure sheaf is laid from top to bottom successively, again by good to vacuum system and feed system layout, unidirectional cloth main body 1 is irrigated under vacuum system, unidirectional cloth main body 1 infusion time is made to reduce, and can guarantee that the infiltration that different-thickness, different types of unidirectional cloth main body can be good, and then improve and ensure that production efficiency and the product quality of wind electricity blade.
Wherein, the upper surface of described die main body 11 is the arcuate structure to die main body 11 inner recess, can meet different types of unidirectional cloth, and the unidirectional cloth processed is attractive in appearance, it is simple to cutting.
Described geat 4 of leading for two or more and is positioned at die main body 11 top surface edge position, and when perfusion, what connect diverse location according to demand leads geat 4, improves the efficiency of perfusion, convenient.
The present invention also proposes the layout method of a kind of unidirectional cloth preparation system, comprises the following steps based on this preparation system:
Step S1, the design of leaf product parts, manufacture and design die main body 11 by load, FEM (finite element) model calculating, mechanical property, and carry out Lay up design；
Step S2, according to Lay up design, selectes auxiliary material and vacuum system and feed system；
Step S3, lays unidirectional cloth structure sheaf, lays successively from top to bottom, first set layer layer of auxiliary material 8 on die main body 11 upper berth, re-lay main body unidirectional cloth material layer 7, finally lays upper strata layer of auxiliary material 5；
Step S4, connects feed system and vacuum system；By bleeding point 6, vacuum system is connected with upper strata layer of auxiliary material 5, feed pipe 9 is connected with leading geat 4 simultaneously, complete the layout of extract system and feed system；
Step S5, finally by mixing equipment storage material, can progressively realize the making of unidirectional cloth main body 1 after carrying out priming by vacuum by container 10.
It addition, described lower floor layer of auxiliary material 8 is covered with the upper surface of die main body 11, play the effect of auxiliary pad, as required main body unidirectional cloth material layer 7 is placed on different positions all can, provide convenient to layout processing.
The laying laying area and main body unidirectional cloth material layer 7 of described upper strata layer of auxiliary material 5 is area matched, main body unidirectional cloth material layer 7 plays the effect of protection, makes the main body unidirectional cloth material layer 7 after processing complete, attractive in appearance.
Preferably, described upper strata layer of auxiliary material 5 be lay successively from top to bottom release cloth, airfelt, serpentine pipe, ohm pipe, vacuum bag film, mechanical property is better, lower in cost, better quality.
Described lower floor layer of auxiliary material 8 is release cloth, the flow-guiding screen laid successively from top to bottom, it is simple to vacuum system water conservancy diversion, and the easily demoulding.
The unidirectional cloth main body 1 that the present invention machines is by infiltrating resin infiltration, infiltration resin is made up of wetting agent and resin, wetting agent is mixed according to the weight ratio of 0.5: 0.8: 4.0: 0.7: 94 by coupling agent, lubricant, epoxy film former, polyester film former and water, and the solids content in wetting agent is 3.5%～5.5%；Moisture content≤0.1% of unidirectional cloth, combustible content is 0.5%～0.6%.Described coupling agent adopt be Nanjing Xiang fly chemistry institute produce the silane coupler that the trade mark is KH-570, what described lubricant adopted is the lubricant that the trade mark is 3018 of Yixing Jin Ding experimental assembly company limited production, what described epoxy film former adopted is the APR resin of Yixing Jin Ding experimental assembly company limited production, and what described polyester film former adopted is the polyester film former that the trade mark is SR-1 of Yixing Jin Ding experimental assembly company limited production.Applying wetting agent on unidirectional cloth can make fiber quickly soak into, thus improving the binding ability of fiber and resin.
Resin is made up of epoxy resin, diluent, firming agent, accelerator, fire retardant, ultraviolet (UV) resistant agent, thixotropic agent, antiplastering aid, the consumption of each composition respectively 30-40%, 0-20%, 10-60%, 0-5%, 10-40%, 0-3%, 0-3%, 0-10%, described diluent is ketone or benzene class inert diluent, or glycidyl ether, ethylene oxidic ester or glycidyl amine isoreactivity diluent；Described firming agent is one or more in fatty amine, aliphatic cyclic amine, aromatic amine；Described accelerator is tertiary amine or imidazoles；Described fire retardant is one or more in phosphate ester, organohalogen compounds, antimony oxide or hydrated alumina；Described ultraviolet (UV) resistant agent is one or more that have in adjacent hydroxydimethylbenzene ketone, salicylic acid esters, benzotriazole, triazines；Described thixotropic agent is aerosil；Described antiplastering aid is microcrystalline Cellulose.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a unidirectional cloth preparation system, it is characterized in that, including for laying the die main body of unidirectional cloth structure sheaf, feed system, described die main body upper surface is provided with leads geat, described die main body connects with feed system by leading geat, also includes the vacuum system for bleeding to the unidirectional cloth structure sheaf being laid on die main body；The lower floor's layer of auxiliary material set gradually from top to bottom that described unidirectional cloth structure sheaf includes being laid on die main body, main body unidirectional cloth material layer, upper strata layer of auxiliary material, offering multiple bleeding point in the layer of auxiliary material of described upper strata, described vacuum system is connected with unidirectional cloth structure sheaf by bleeding point.
2. unidirectional cloth preparation system according to claim 1, it is characterised in that the upper surface of described die main body is the arcuate structure to die main body inner recess.
3. unidirectional cloth preparation system according to claim 1 and 2, it is characterised in that described vacuum system includes exhaust tube and vacuum pump, and one end of described exhaust tube is connected with the bleeding point in the layer of auxiliary material of upper strata, and the other end is connected with vacuum pump.
4. unidirectional cloth preparation system according to claim 1 and 2, it is characterised in that described feed system includes feed pipe, and one end of described feed pipe connects with leading geat, the other end and reservoir.
5. unidirectional cloth preparation system according to claim 4, it is characterised in that described in lead geat and be multiple and be positioned at die main body top surface edge position.
6. the layout method of the unidirectional cloth preparation system according to claim 1 to 5 any one, it is characterised in that comprise the following steps based on this preparation system:
S1: the design of leaf product parts, is manufactured and designed die main body by load, FEM (finite element) model calculating, mechanical property, and is carried out Lay up design；
S2: according to Lay up design, selected auxiliary material and vacuum system and feed system；
S3: lay unidirectional cloth structure sheaf, lay successively from top to bottom, first set a layer layer of auxiliary material on die main body upper berth, re-lay main body unidirectional cloth material layer, finally lays upper strata layer of auxiliary material；
S4: connect feed system and vacuum system；By bleeding point, vacuum system is connected with upper strata layer of auxiliary material, feed pipe is connected with leading geat simultaneously, complete the layout of extract system and feed system；
S5: finally by mixing equipment storage material, can progressively realize the making of unidirectional cloth main body after carrying out priming by vacuum by container.
7. the layout method of unidirectional cloth preparation system according to claim 6, it is characterised in that described lower floor layer of auxiliary material is covered with the upper surface of die main body.
8. the layout method of the unidirectional cloth preparation system according to claim 6 or 7, it is characterised in that the laying laying area and main body unidirectional cloth material layer of described upper strata layer of auxiliary material is area matched.
9. the layout method of unidirectional cloth preparation system according to claim 8, it is characterised in that described upper strata layer of auxiliary material be lay successively from top to bottom release cloth, airfelt, serpentine pipe, ohm pipe, vacuum bag film.
10. the layout method of unidirectional cloth preparation system according to claim 8, it is characterised in that described lower floor layer of auxiliary material is flow-guiding screen, the release cloth laid successively from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191790.5A CN105751529A (en) | 2016-03-30 | 2016-03-30 | Unidirectional cloth manufacturing system and layout method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610191790.5A CN105751529A (en) | 2016-03-30 | 2016-03-30 | Unidirectional cloth manufacturing system and layout method thereof |
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| CN105751529A true CN105751529A (en) | 2016-07-13 |
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| CN201610191790.5A Pending CN105751529A (en) | 2016-03-30 | 2016-03-30 | Unidirectional cloth manufacturing system and layout method thereof |
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| CN201619252U (en) * | 2010-03-19 | 2010-11-03 | 国电联合动力技术有限公司 | Vacuum infusion system of heterogeneous overlay structure |
| CN102166825A (en) * | 2010-12-24 | 2011-08-31 | 中国科学院宁波材料技术与工程研究所 | Technology of making automobile engine cover with carbon fiber reinforcement resin-based composite material |
| CN102166826A (en) * | 2011-01-19 | 2011-08-31 | 中国科学院宁波材料技术与工程研究所 | Forming process of fiber reinforced thermoplastic composite material |
| CN102756481A (en) * | 2012-07-27 | 2012-10-31 | 国电联合动力技术(连云港)有限公司 | Manufacturing method of carbon fiber girder for fan blade |
| CN102814996A (en) * | 2012-08-24 | 2012-12-12 | 中国人民解放军国防科学技术大学 | Preparing method of hybrid composite wing spar of large-scale wind power blade |
| CN104908337A (en) * | 2015-04-28 | 2015-09-16 | 中国商用飞机有限责任公司 | Production method for control of composite material vacuum auxiliary moulding thickness |
-
2016
- 2016-03-30 CN CN201610191790.5A patent/CN105751529A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619252U (en) * | 2010-03-19 | 2010-11-03 | 国电联合动力技术有限公司 | Vacuum infusion system of heterogeneous overlay structure |
| CN102166825A (en) * | 2010-12-24 | 2011-08-31 | 中国科学院宁波材料技术与工程研究所 | Technology of making automobile engine cover with carbon fiber reinforcement resin-based composite material |
| CN102166826A (en) * | 2011-01-19 | 2011-08-31 | 中国科学院宁波材料技术与工程研究所 | Forming process of fiber reinforced thermoplastic composite material |
| CN102756481A (en) * | 2012-07-27 | 2012-10-31 | 国电联合动力技术(连云港)有限公司 | Manufacturing method of carbon fiber girder for fan blade |
| CN102814996A (en) * | 2012-08-24 | 2012-12-12 | 中国人民解放军国防科学技术大学 | Preparing method of hybrid composite wing spar of large-scale wind power blade |
| CN104908337A (en) * | 2015-04-28 | 2015-09-16 | 中国商用飞机有限责任公司 | Production method for control of composite material vacuum auxiliary moulding thickness |
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Application publication date: 20160713 |