CN108262995A - The production method and blade of blade - Google Patents
The production method and blade of blade Download PDFInfo
- Publication number
- CN108262995A CN108262995A CN201810094923.6A CN201810094923A CN108262995A CN 108262995 A CN108262995 A CN 108262995A CN 201810094923 A CN201810094923 A CN 201810094923A CN 108262995 A CN108262995 A CN 108262995A
- Authority
- CN
- China
- Prior art keywords
- blade
- production method
- facial mask
- forming part
- mold
- 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.)
- Withdrawn
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
Abstract
The present invention provides a kind of production method and blade of blade.The production method of the blade includes the following steps：Rough surface film is laid on blade mold；Blade forming material and priming by vacuum system are set on the coarse facial mask upper berth；Using priming by vacuum method by resin infusion to the blade forming material, curing has the blade forming part of rough surface with molding.Blade forming part that the blade is prepared including the use of the production method and cover the blade forming part rough surface skin of paint.The production method of blade using the present invention can avoid dust pollution, shorten the blade production cycle and reduce blade production cost.
Description
Technical field
The present invention relates to blade technology field, production method and thus obtained leaf more particularly, to a kind of blade
Piece.
Background technology
At present, wind generator set blade generally use vacuum assistant resin infused in forming process.Centainly bearing
Under the conditions of pressure, resin is injected by the external world in reinforcing material, then curing molding.The blade of curing molding is by molding work
Enter postprocessing working procedures after sequence, stripping process.It is shiny surface to demould the blade surface obtained later, therefore, in postprocessing working procedures
It is middle to need to process rough surface ability roller coating paint in blade surface.For this purpose, it needs to carry out blade surface in postprocessing working procedures
Grinding process is polished and is cleared up after blade surface dust to the uneven place's Puttying repairing type of polishing and to polishing existing pin hole
Place carries out Puttying envelope pin hole, then putty of polishing after putty curing, clears up blade surface dust, finally in blade table again
Face roller coating paint.Therefore, the production method in existing wind generator set blade rough surface face is at least lacked there are following
Point：Blade surface polishing, Puttying, polishing putty are all to need manual operation in leaf blade manufacture process, not only time-consuming and laborious,
Increase cost of labor；The dust that polishing operation generates also can cause environmental pollution；In addition, Puttying not only increase manually into
This, but also raw material are wasted, increase material cost.
Blade surface roughness had not only been can guarantee therefore, it is necessary to one kind but also can exempt blade surface polishing, Puttying, cleaning powder
The production method of the blade of the operations such as dirt.
Invention content
To solve the above-mentioned problems, the present invention is proposed, the present invention provides a kind of production method of blade and uses the system
Make the blade of method preparation.
According to an aspect of the present invention, a kind of production method of blade is provided, the production method of the blade is including following
Step：Rough surface film is laid on blade mold；Blade forming material and priming by vacuum system are set on the coarse facial mask upper berth；
Using priming by vacuum method by resin infusion to the blade forming material, curing, be molded the blade with rough surface into
Type part.
Exemplary embodiment according to the present invention, the surface back to the blade mold of the coarse facial mask is coarse
, provide roughness with the surface for wind generator set blade molded part.
Exemplary embodiment according to the present invention, the production method further include：Before coarse facial mask is laid with, described
Smearing release agent in blade mold in order to demould, prevents damaged blade mold or blade forming part.
Exemplary embodiment according to the present invention, the production method further include：It is being laid with blade forming material and vacuum
Before perfusion system, prepreg cloth is set on the coarse facial mask upper berth, to prevent rough surface film from the fold being stacked up occur.
Exemplary embodiment according to the present invention, the surface back to the blade mold of the coarse facial mask are equipped in advance
Leaching material cloth, to prevent rough surface film from the fold being stacked up occur.
Exemplary embodiment according to the present invention, the production method further include：The blade forming part will be formed
Multiple blade mold moldings, then demould.
Exemplary embodiment according to the present invention, the production method further include：After demolding, the rough surface is taken off
Film.
Exemplary embodiment according to the present invention, the coarse facial mask be release cloth, in order to during demoulding with described
Blade forming part demoulds together, ensures that blade forming part surface has ideal roughness.
Exemplary embodiment according to the present invention, the coarse facial mask are polytetrafluoroethylene film, and Pasting is in the blade
On mold, the operation of coarse facial mask is re-lay when making blade every time to save.
According to another aspect of the present invention, a kind of blade is provided, the blade is including the use of production method as described above
The blade forming part and the skin of paint of the rough surface of the covering blade forming part being prepared, paint layer surface is smooth
Face.
The blade forming part being prepared using the production method of blade according to the present invention carries rough surface, therefore can
It is completely left out or reduce polish in postprocessing working procedures on blade forming part surface rough surface, Puttying, the polishing operations such as putty,
So as to avoiding dust pollution, shortening the blade production cycle and reducing blade production cost.
Description of the drawings
Exemplary embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, above and other feature of the invention
And advantage will become clearer, in attached drawing：
Fig. 1 is the flow diagram of the production method of the blade of exemplary embodiment according to the present invention；
Fig. 2 is to make wind generator set blade using the production method of the blade of exemplary embodiment according to the present invention
Suction surface molded part schematic diagram；
Fig. 3 is the signal enlarged drawing in A portions shown in Fig. 2.
Reference sign：
13：Blade mold；21：Priming by vacuum system；22：First layer of cloth；24：Releasing agent；25：Coarse facial mask；26：Core material
Layer；27：Second layer of cloth.
Specific embodiment
The embodiment of the present invention is described more fully with now with reference to attached drawing, the invention is shown in the accompanying drawings exemplary
Embodiment.
The wind generator set blade of exemplary embodiment according to the present invention is described in detail below in conjunction with Fig. 1 to Fig. 3
Production method.But application range of the invention is not limited to wind generator set blade, blade used in other equipment
The present invention can also be applied by making.
Mold used in making wind generator set blade is divided into suction surface (SS faces) mold and pressure face (PS faces) mould
Tool, to prepare the suction surface blade forming part of wind generator set blade and pressure face blade forming part.Then, by pressure face mould
180 ° of tool overturning is Nian Jie with suction surface mold clamping, finally demoulds.The making of the blade of exemplary embodiment according to the present invention
Method can be respectively applied to the forming operation in pressure face mold and suction surface mold.
As shown in Figure 1, the production method of the blade of exemplary embodiment according to the present invention includes the following steps：In blade
Rough surface film 25 (step S1) is laid on mold 13, blade forming material 20 and priming by vacuum system are laid on coarse facial mask 25
21 (step S2) using priming by vacuum method by resin infusion to blade forming material 20 and priming by vacuum system 21, cure, with
Blade forming part (step S3) of the molding with rough surface.
By taking suction surface mold as an example, as shown in Figures 2 and 3, one layer of coarse facial mask 25 can be laid on blade mold 13.Its
In, coarse facial mask 25 provides roughness for the surface of wind generator set blade molded part, therefore, coarse facial mask 25 back to leaf
The surface of sheet mold 13 is coarse, can be coarse or smooth in face of the surface of blade mold 13.Namely
Say, coarse facial mask 25 can be the coarse film of single side or two-sided coarse film, as long as coarse facial mask 25 with by blade
The surface of molded part contact is coarse, is rough surface with the surface for ensureing blade forming part.
Before coarse facial mask 25 is laid with, can in blade mold 13 smearing release agent 24.It specifically, can be first by blade
Mold 13 is cleaned out, then the smearing release agent 24 in entire blade mold 13, in order to which blade forming part demoulds, prevents leaf
Sheetmolding part is be bonded with blade mold 13 and damaged blade mold 13 or blade forming part.
Then, blade forming material 20 and priming by vacuum system 21 are laid on coarse facial mask 25.Here, blade forming material
The components that material 20 refers to be formed as blade component part, the first layer of cloth 22 as be described hereinafter, the second layer of cloth 27, core layer 26 etc..
According to an example, be laid with blade forming material 20 on coarse facial mask 25 and priming by vacuum system 21 may include as
Lower operation：The first layer of cloth 22 is laid on coarse facial mask 25, core layer 26 is laid on the first layer of cloth 22, on 26 upper berth of core layer
If the second layer of cloth 27, then, priming by vacuum system 21 is laid on the second layer of cloth 27.
According to an example, the first layer of cloth 22 and the second layer of cloth 27 form blade glass fibre reinforced plastic structure layer, and the first layer of cloth 22 can
At least one layer of glass-fiber-fabric (that is, first glass layer of cloth) is set as, the second layer of cloth 27 may be configured as at least one layer of glass-fiber-fabric (that is,
Two glass layer of cloths).Core layer 26 forms blade construction layer, can be core material, girder or province according to the difference of present position
Go the core layer 26.Girder is located on the central axes of wind generator set blade, and width can be knitted by pure glass in 600mm or so
Object or carbon fibre fabric are perfused resin forming and can be separately formed.Core material can utilize the materials such as PVC foams or fiberglass to be formed.
Blade front and rear edges are relatively thin, thickeied without core layer 26, so can save the core layer 26 in front of the blade, at posterior border position.
As an example, priming by vacuum system 21 may include the release cloth being sequentially laid on the second layer of cloth 27, hole membrane,
Flow-guiding screen, vacuum diaphragm, priming by vacuum system 21 provide sealing system for blade forming, to perform priming by vacuum.Certainly, it is of the invention
It is without being limited thereto, the structure of priming by vacuum system 21 can be chosen according to actual needs.Blade forming material 20 and priming by vacuum system
21 be common in wind generator set blade manufacture, therefore repeat no more.
There is the fold being stacked up in coarse facial mask 25 in order to prevent, is being laid with blade forming material 20 and priming by vacuum system
Before system 21, prepreg cloth can be laid on coarse facial mask 25.According to another example, coarse 25 back side of facial mask is (that is, back to blade
The surface of mold 13) prepreg cloth can be equipped with, by heating the prepreg cloth and priming by vacuum after above-mentioned priming by vacuum
Glass-fiber-fabric integrally curing.
After blade forming material 20 and priming by vacuum system 21 is laid, resin is filled to blade using priming by vacuum
In moulding material 20 and priming by vacuum system 21, curing, to be molded the blade forming part (step S3) with rough surface.It is above-mentioned
Priming by vacuum and curing (for example, being heating and curing) technique are common in wind generator set blade manufacture, are no longer gone to live in the household of one's in-laws on getting married herein
It states.
Next, by suction surface of 180 ° of the PS faces die flip for forming blade forming part with forming blade forming part
Mold clamping is bonded, and is then demoulded.During demoulding, coarse facial mask 25 can be demoulded with blade forming part, can also be protected
It stays in blade mold 13.
According to an example, during demoulding, coarse facial mask 25 is demoulded with blade forming part, then in demoulding
Afterwards, then coarse facial mask 25 is removed.However, the present invention is not limited thereto, coarse facial mask 25 can also be formed by other materials, if its with
The surface of blade forming part contact has suitable roughness and convenient for being taken off from blade forming part.For example,
Coarse facial mask 25 may be used suitable material and is made using weaving.When being equipped with releasing agent 24 in blade mold 13, slightly
Matte film 25 can be demoulded easily out of blade mold 13 with blade forming part very much, and blade mold 13 will not be caused to appoint
What is damaged.In this way, the coarse facial mask 25 of placed again again when making wind generator set blade every time, to make there is no repeating
The problem of material property caused by is reduced or is lost, and also ensure that blade forming part surface has ideal roughness.
According to another example, during demoulding, coarse facial mask 25 is retained in blade mold 13.It is for this purpose, coarse being laid with
During facial mask 25, coarse facial mask 25 can be pasted onto on blade mold 13.Coarse facial mask 25 may be configured as polytetrafluoroethylene film.This
Sample can reuse coarse facial mask 25, it is not necessary to which often wind generator set blade of making just re-lays primary coarse
Facial mask 25 had not only eliminated the operation for taking coarse facial mask 25 off, but also eliminated and re-lay coarse facial mask when making blade next time
25 operation, it is more convenient time saving, it not only can further shorten the production cycle, can also further reduce production cost.
In the actual production process, the surface roughness of coarse facial mask 25 can be rationally set according to actual demand, as long as
It can form rough surface on the surface of blade forming part, can directly adhere to putty on the surface of blade forming part after demoulding
And/or paint (adhesive force of putty and paint meets requirement of the existing wind generator set blade to putty and paint adhesion)
.
In accordance with an alternative illustrative embodiment of the present invention, a kind of blade is also provided, the blade is including the use of as described above
The blade forming part that is prepared of production method and cover the blade forming part rough surface skin of paint, skin of paint table
Face is shiny surface.Since the blade forming part carries rough surface, roller can be directly carried out after blade front and rear edges type surface treatment
Oiling enamelled coating, thus can it is completely left out or reduce postprocessing working procedures in blade surface polish rough surface, Puttying, polishing it is greasy
The operations such as son, can reduce cost of labor and material cost, shorten the post-processing operation time, and caused by can avoiding sanding operation
Dust pollution.
Therefore, the production method of blade according to the present invention can avoid dust pollution in workshop, be obviously shortened blade production
Period, and it is effectively reduced blade production cost.
Although specifically illustrating and describing the present invention with reference to exemplary embodiment of the present invention, this field is common
It is to be understood by the skilled artisans that in the case where not departing from the spirit and scope of the present invention being defined by the claims, it can be to it
The various changes of carry out form and details.
Claims (9)
1. a kind of production method of blade, which is characterized in that the production method of the blade includes the following steps：
Rough surface film (25) is laid on blade mold (13)；
Blade forming material (20) and priming by vacuum system (21) are laid on the coarse facial mask (25)；
Using priming by vacuum by resin infusion to the blade forming material (20), curing has rough surface to be molded
Blade forming part.
2. the production method of blade as described in claim 1, which is characterized in that the coarse facial mask (25) back to the leaf
The surface of sheet mold (13) is coarse.
3. the production method of the blade as described in any one of claim 1-2, which is characterized in that the production method is also wrapped
It includes：Before coarse facial mask (25) is laid with, in the blade mold (13) interior smearing release agent (24).
4. the production method of blade as claimed in claim 3, which is characterized in that the production method further includes：It is being laid with leaf
Before sheetmolding material (20) and priming by vacuum system (21), prepreg cloth is laid on the coarse facial mask (25).
5. the production method of blade as described in claim 1, which is characterized in that the coarse facial mask (25) back to the leaf
The surface of sheet mold (13) is equipped with prepreg cloth.
6. the production method of blade as described in claim 1, which is characterized in that the production method further includes：It will form
Multiple blade mold (13) moldings of the blade forming part, then demould.
7. the production method of blade as claimed in claim 6, which is characterized in that the production method further includes：In demoulding
Afterwards, the coarse facial mask (25) is removed.
8. the production method of blade as described in claim 1, which is characterized in that the coarse facial mask (25) is polytetrafluoroethylene (PTFE)
Film.
9. a kind of blade, which is characterized in that the blade is including the use of the production method as described in any one of claim 1-8
The blade forming part and the skin of paint of the rough surface of the covering blade forming part being prepared, paint layer surface is smooth
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094923.6A CN108262995A (en) | 2018-01-31 | 2018-01-31 | The production method and blade of blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094923.6A CN108262995A (en) | 2018-01-31 | 2018-01-31 | The production method and blade of blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108262995A true CN108262995A (en) | 2018-07-10 |
Family
ID=62777016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810094923.6A Withdrawn CN108262995A (en) | 2018-01-31 | 2018-01-31 | The production method and blade of blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108262995A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231369A (en) * | 2020-02-18 | 2020-06-05 | 中材科技风电叶片股份有限公司 | Protective shell, preparation method thereof and manufacturing method of wind power blade |
| CN111438861A (en) * | 2020-04-23 | 2020-07-24 | 红叶风电设备(营口)有限公司 | Blade pouring forming method |
| CN112936914A (en) * | 2019-12-11 | 2021-06-11 | 东丽先端材料研究开发（中国）有限公司 | Composite film and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501393A (en) * | 2011-11-10 | 2012-06-20 | 洛阳双瑞风电叶片有限公司 | Composite material forming method for controlling surface roughness of composite material |
-
2018
- 2018-01-31 CN CN201810094923.6A patent/CN108262995A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501393A (en) * | 2011-11-10 | 2012-06-20 | 洛阳双瑞风电叶片有限公司 | Composite material forming method for controlling surface roughness of composite material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936914A (en) * | 2019-12-11 | 2021-06-11 | 东丽先端材料研究开发（中国）有限公司 | Composite film and application thereof |
| CN111231369A (en) * | 2020-02-18 | 2020-06-05 | 中材科技风电叶片股份有限公司 | Protective shell, preparation method thereof and manufacturing method of wind power blade |
| CN111438861A (en) * | 2020-04-23 | 2020-07-24 | 红叶风电设备(营口)有限公司 | Blade pouring forming method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109895418B (en) | Processing method of special-shaped hollow structure composite material part forming core mold | |
| CN105153638B (en) | A kind of glass reinforced plastic and its method for making sculpture | |
| CN108262995A (en) | The production method and blade of blade | |
| JP5044220B2 (en) | Carbon foam composite tool and method for using the carbon foam composite tool | |
| CN107187020A (en) | A kind of fibre reinforced composites 3D printing assistant formation method | |
| US20060027314A1 (en) | Mould | |
| CN110843234A (en) | Forming process method of unmanned aerial vehicle carbon fiber composite main beam | |
| EP2388131B1 (en) | Method of moulding a wind turbine blade using a release film, and said film | |
| CN105109058A (en) | Process for forming composite product through plastic film used for replacing large complex mold | |
| JP2007521987A5 (en) | ||
| CN103144312A (en) | Outside reinforcing, vacuum filling and heat curing molding process on front edge and back edge of blade | |
| CN103935042B (en) | The manufacture method of the hollow rotor of unmanned vehicle and hollow rotor | |
| CN104441693A (en) | Molding process method for novel composite material adhesive film of wind power generation blades | |
| CN111745999A (en) | Appearance processing method of composite material part with R corners | |
| CN109774190A (en) | A kind of manufacturing method of carbon fibre composite multiple-pass joint | |
| CN109551789A (en) | A kind of preparation method that stickup angle is supported with polyurethane of blade of MW class wind turbine | |
| CN113829638B (en) | Integrated molding method for composite material cabin section | |
| CN105818399A (en) | Forming method of closed cavity composite foamed sandwich structural member | |
| CN104149362A (en) | Integrated molding and manufacturing method of megawatt wind power cabin cover by pouring | |
| CN104385626A (en) | Composite material thin-wall housing preparation method based on intermittent stacking | |
| CN105984156A (en) | Repair method for defects of RTM product | |
| CN104385625B (en) | Composite material thin wall housing preparation method based on unloading port | |
| CN113977984B (en) | Preparation method of tubular hyperboloid composite structural member | |
| CN106696245A (en) | Composite material glue joint surface roughening treatment method | |
| CN115027076A (en) | Manufacturing method of wind power blade bonding angle die |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180710 |
|
| WW01 | Invention patent application withdrawn after publication |