CN110303620A - A kind of wind turbine blade mold and preparation method thereof with cooling system - Google Patents
A kind of wind turbine blade mold and preparation method thereof with cooling system Download PDFInfo
- Publication number
- CN110303620A CN110303620A CN201910572190.7A CN201910572190A CN110303620A CN 110303620 A CN110303620 A CN 110303620A CN 201910572190 A CN201910572190 A CN 201910572190A CN 110303620 A CN110303620 A CN 110303620A
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- ventilating duct
- die ontology
- wind turbine
- turbine blade
- air outlet
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Classifications
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
- B29C33/046—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam using gas
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- 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
- B29L2031/085—Wind turbine blades
Abstract
The present invention provides a kind of wind turbine blade mold and preparation method thereof with cooling system, wind turbine blade mold includes die ontology, die ontology includes the heating layer for heating surface layer for the molding superficial layer of wind electricity blade and on superficial layer, die ontology is equipped with multiple type faces reinforcing pipe, insulating layer is covered on the reinforcing pipe of type face, surface, type face reinforcing pipe and the insulating layer of die ontology surround the closed ventilating duct flowed in and out for fluid, ventilating duct is equipped with air outlet and air outlet, and air outlet is connect with air supply device.The wind turbine blade mold with cooling system is passed through cold wind into ventilating duct by the way that ventilating duct is arranged on mold, by air supply device, realizes that material forming and hardening completes the fast cooling of rear mold, greatly improves wind electricity blade production efficiency.
Description
Technical field
The invention belongs to wind turbine blade mould technical fields, and in particular to a kind of large-scale wind electricity with cooling system
Blade mold and preparation method thereof.
Background technique
Wind-power electricity generation is to convert electric energy for the kinetic energy of wind, and as a kind of clean renewable energy, wind-power electricity generation is more next
Attention more by countries in the world.The wind electricity blade that wind-power electricity generation is used is usually required using mold injection molding, and with state
For family's wind-power electricity generation to the large-scale development with marine direction, wind power generation blade is increasingly longer, leads to the enlargement hair of blade mold
It opens up, accounts for mould overlong time in blade manufacturing process, reduce production efficiency after blade enlargement, it is therefore desirable to increase the number of mold
Amount, and the wretched insufficiency of blade workshop can be made.
Blade production in most it is time consuming be exactly mold produce blade temperature is raised to peak rear mold in the curing process
Has temperature-fall period, traditional blade mold generallys use water heating or Electric heating heats up to mold, is meeting leaf
After the cured temperature requirement of sheetmolding, water heating method is the connection by carrying out cooling water tank bypass to mold, by mould
The hot water having in built-in copper pipe introduces cooling water tank, carries out heat exchange cooling, such as Publication No. CN203792585U, entitled one
The patent document of the device of kind of fan blade mold heating and cooling, but as blade develops towards the Enlargement Tendency, using water plus
The blade mold weight of hot mode is significantly increased, to bring the synchronization challenges and mold dislocation and type face precision etc. of hydraulic overturning
Problem；The blade mold of Electric heating occupies certain advantage, but electric-heating die there is no special cooling system,
Only after mold temperature reaches forming and hardening temperature requirement, heating power supply is cut off, to mold Temperature fall, temperature-fall period is slow
Slowly, blade manufacturing process accounts for that the mould time is long, and production efficiency is low.
Summary of the invention
The wind turbine blade mold and its preparation that the technical problem to be solved by the present invention is to provide a kind of with cooling system
Method is passed through cold wind into ventilating duct by air supply device by the way that ventilating duct is arranged on mold, realizes that material forming and hardening is complete
At the fast cooling of rear mold, greatly improve wind electricity blade production efficiency.
To solve the above-mentioned problems, the present invention provides a kind of wind turbine blade mold with cooling system, including mould
Has ontology, die ontology includes the adding for heating surface layer for the molding superficial layer of wind electricity blade and on superficial layer
Thermosphere, die ontology are equipped with multiple type faces reinforcing pipe, are covered with insulating layer, the surface of die ontology, type on the reinforcing pipe of type face
Face reinforcing pipe and insulating layer surround the closed ventilating duct flowed in and out for fluid, and ventilating duct is equipped with air outlet and outlet air
Mouthful, air outlet is connect with air supply device.
In technical solution, it is preferred that ventilating duct is arranged along the axial direction of die ontology, and every ventilating duct is by perpendicular to mold
The partition of the axis of ontology is divided into multiple sub- ventilating ducts, and every sub- ventilating duct is equipped with air outlet and air outlet, air outlet with
Air supply device connection.
In technical solution, it is preferred that further include temperature sensor, controller and control valve, temperature sensor is for detecting
Temperature in every sub- ventilating duct, controller are used to receive the temperature signal of temperature sensor detection, and according to temperature signal control
Control valve processed, control valve can control the volume of air supply size in every sub- ventilating duct.
In technical solution, it is preferred that every sub- ventilating duct width is 0.7-0.9m, length 7-9m, is highly 0.1-
0.2m。
In technical solution, it is preferred that type face reinforcing pipe is connect with die ontology by support plate, type face reinforcing pipe and support
It is sealed between plate, between support plate and die ontology by pasting reinforcement material.
In technical solution, it is preferred that air supply device includes draught distributing box and the blower for draught distributing box air-supply, and draught distributing box is equipped with more
A branch air port, branch air port are connect with the air outlet of sub- ventilating duct.
In technical solution, it is preferred that the air outlet of sub- ventilating duct is connect with air outlet box.
In technical solution, it is preferred that further include the mould rack being fixedly installed on above die ontology, type face reinforcing pipe with
Mould rack is fixedly connected.
The above-mentioned wind turbine blade mold with cooling system is prepared it is a further object of the present invention to provide a kind of
Method, comprising:
S1. the formpiston of wind turbine blade mold of the production with cooling system；
S2. superficial layer and heating layer are made on formpiston in step sl, forms die ontology；
S3. type face reinforcing pipe is arranged on die ontology according to the setting position of ventilating duct；
S4. the whole covering and heat insulating layer on the reinforcing pipe of type face, forms ventilating duct；
S5., air inlet and air outlet are set on ventilating duct, air inlet is connect with air supply device.
In technical solution, it is preferred that further include carrying out before step S3: S3a. is according to the setting position of ventilating duct by type
Face reinforcing pipe is mounted on mould rack, and then mould rack is mounted on die ontology.
In technical solution, it is preferred that step S3 specifically: support plate is set between type face reinforcing pipe and die ontology,
And reinforcement material is pasted using hand paste process and is separately connected type face reinforcing pipe and support plate, die ontology and support plate.
In technical solution, it is preferred that further include carrying out after step s 3: S3b. is on die ontology along die ontology
The partition of multiple axis perpendicular to die ontology is arranged in axial direction interval, and ventilating duct is made to be divided into multiple sub- ventilating ducts.
Compared with the prior art, the present invention has the following beneficial effects:
1. the wind turbine blade mold and preparation method thereof with cooling system of the invention, die ontology is equipped with logical
Air duct, ventilating duct are connect with air supply device, and wind electricity blade cools down after reaching solidification temperature peak value under the heating of heating layer
When cold wind can be passed through into ventilating duct by air supply device, mould is made by the heat exchange of cold wind and die ontology on die ontology
The superficial layer fast cooling of tool ontology can extremely produce the initial temperature of blade again, account for the mould time to reduce, significantly improve leaf
The efficiency of sheetmolding；
2. the wind turbine blade mold and preparation method thereof with cooling system of the invention, ventilating duct is in length direction
On be divided into multiple short sub- ventilating ducts, every sub- independent air feed of ventilating duct reduces the loss of cooling capacity in same sub- ventilating duct,
Guarantee the cooling efficiency in single sub- ventilating duct；
3. the wind turbine blade mold and preparation method thereof with cooling system of the invention, air supply device by blower and
Draught distributing box is constituted, and the cold wind that draught distributing box can provide blower is distributed to each sub- ventilating duct, the air outlet of each sub- ventilating duct and outlet air
Case connection, the air that ventilating duct can be discharged in air outlet box buffer；
4. the wind turbine blade mold and preparation method thereof with cooling system of the invention, in each sub- ventilating duct respectively
Temperature sensor is set, according to the detection to actual temperature in each sub- ventilating duct, by air outlet box to the wind in every sub- ventilating duct
Amount is controlled and is adjusted, and reduces energy waste, and guarantee that die ontology entirety rate of temperature fall is uniform.
Detailed description of the invention
Fig. 1 is the cross-sectional structure signal of the wind turbine blade mold described in the embodiment of the present invention with cooling system
Figure；
Fig. 2 is the vertical section structure signal of the wind turbine blade mold described in the embodiment of the present invention with cooling system
Figure；
Fig. 3 is Boiler pressure control in ventilating duct in wind turbine blade mold described in inventive embodiments with cooling system
Electric operation control circuit figure.
Wherein: 1- die ontology；11- superficial layer；12- heating layer；13- inner structural layer；14- outer structural layer；2- type face adds
Gu pipe；3- insulating layer；4- ventilating duct；41- ventilating duct；5- air outlet；6- air outlet；7- partition；8- support plate；9- mold branch
Frame.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
As wind-power electricity generation is gradually to the large-scale development with marine direction, wind power generation blade is increasingly longer, makes to produce wind
The mold of power power generation blade develops to enlargement, and the increase of mould time is accounted in blade manufacturing process, and production efficiency reduces, and blade is raw
Most time consuming in production is exactly temperature is raised to peak rear mold during blade cures temperature-fall period, the mould heated using water
Mostly tool is to carry out heat exchange cooling, but wind turbine blade makes leaf using water heating method by accessing circulating chilled water to mold
Sheet mold weight is significantly increased, and brings the synchronization challenges and the problems such as mold dislocation and type face precision of hydraulic overturning, electric heating side
Formula has a some superiority, but without cooling system, can only Temperature fall, cooling is slow.
In order to solve this problem, the present invention provides a kind of wind turbine blade mold with cooling system, as Fig. 1,
Shown in Fig. 2, including die ontology 1, die ontology 1 include for the molding superficial layer 11 of wind electricity blade and being set to superficial layer 11
The heating layer 12 for heating surface layer 11, die ontology 1 is equipped with multiple type faces reinforcing pipe 2, covers on type face reinforcing pipe 2
There is an insulating layer 3, surface, type face reinforcing pipe 2 and the insulating layer 3 of die ontology 1 surrounds closed to be flowed in and out for fluid
Ventilating duct 4, ventilating duct 4 are equipped with air outlet 5 and air outlet 6, and air outlet 5 is connect with air supply device.
In wind turbine blade mold after injection molding composite material, heating layer 12, which is warming up to solidification temperature, consolidates composite material
Change, temperature makes heating layer 12 stop heating after peaking, then open air supply device and led to by air outlet 5 into ventilating duct 4
Enter cold air, cold air carries out heat exchange to the surface of die ontology 1, make 12 fast cooling of heating layer so that die surface from
The temperature of blade cures is quickly down to die face can produce the initial temperature of blade again, realize blade forming efficiency
It is obviously improved.
Wherein, die ontology 1 further includes inner structural layer 13 and outer structural layer 14, and inner structural layer 13 is set to superficial layer 11 and adds
Between thermosphere 12, support, structural re-enforcement mainly are provided to superficial layer and heating layer, glass steel material, outer structural layer can be used
14 are set on heating layer 12, and predominantly heating layer 12 provides structural support and protection, can use glass steel material, type face reinforcing pipe 2
It is set on outer structural layer 14.Wherein, heating layer 12 is heated using electric heating mode.
Wherein, the arrangement mode of type face reinforcing pipe 2 can be the axial direction setting along die ontology 1, can also be perpendicular to mould
Has the axial setting of ontology 1, or to arrange with the angled direction of the axis of die ontology 1, it is preferred that 4 edge of ventilating duct
The axial setting of die ontology 1, and every ventilating duct 4 is divided into multiple sons by the partition 7 of the axis perpendicular to die ontology and leads to
Air duct 41, every sub- ventilating duct 41 are equipped with air outlet 5 and air outlet 6, and air outlet 5 is connect with air supply device.Due to large-scale wind
Electric blade mold length is long, if ventilating duct runs through the whole length direction of die ontology, the cold air being passed through reaches ventilation
Road tail portion when occurred certain heat exchange with die ontology and there is higher temperature, therefore can not be effectively to ventilating duct tail
The die ontology in portion cools down, and the ventilating duct being arranged along die length direction is divided into the longitudinal direction multiple short
Sub- ventilating duct, and each short sub- ventilating duct is respectively passed through cold air, is greatly improved the cooling efficiency and drop of mold
Warm rate.
Wherein, the design that blade cures temperature requires progress heat to exchange with cooling can be produced according to mold, carry out mold
Then the design of cooling air quantity is designed, it is preferred that sub- ventilation according to length and width of the cooling air quantity to each sub- ventilating duct
The width S in road 41 is 0.7-0.9m, and length L is 7-9m, and height H is 0.1-0.2m.
Wherein, it is circular round tube that type face reinforcing pipe 2, which can be cross section, and being also possible to cross section is rectangular square tube,
It is preferred that round tube, steel pipe, iron pipe etc. is may be selected in the material of type face reinforcing pipe, is also possible to the materials such as rod, preferably steel pipe, further
Preferably, the round steel pipe that type face reinforcing pipe 2 is 40-70mm using outer diameter.Type face reinforcing pipe 2 is both as the side wall of ventilating duct, together
When be also used as the rigid support of die face precision controlling, guarantee die face precision.
Wherein, when type face reinforcing pipe 2 is using steel pipe, can be connected by welded connecting or other modes between die ontology 1
It connects；Preferably, type face reinforcing pipe 2 is connect with die ontology 1 by support plate 8, between type face reinforcing pipe 2 and support plate 8, is supported
By pasting reinforcement material connection between plate 8 and die ontology 1, plank or glass epoxy is may be selected in support plate 8.Further preferably
, type face reinforcing pipe 2 supports plate thickness 5-15mm apart from die ontology 80-130mm.
Wherein, insulating layer 3 can be the stratified material of various insulation materials, as a preferred embodiment,
Insulating layer uses the double-deck aluminium film bubble thermal isolation film in the present embodiment.The stratified material that insulating layer 3 can be an entirety is covered on
On all models face reinforcing pipe above entire die ontology, it is also possible to be divided into multiple heat preservations according to the position of sub- ventilating duct
Layer, is respectively overlay on the type face reinforcing pipe of different zones, in order to make better tightness in ventilating duct, preferably in mould
Have on ontology along die ontology length direction every one insulating layer of 7-10 meters of whole coverings.The double-deck aluminium film bubble thermal isolation film uses
Self threading pin is directly anchored on the reinforcing pipe of type face, and the cross-section location of thermal isolation film is viscous using sealing joint strip in each region
Patch sealing, improves leakproofness, prevents from running wind.
Wherein, it is equipped with air outlet 5 and air outlet 6 on every sub- ventilating duct 41, in the present embodiment, every sub- ventilating duct 41
Upper air outlet 5 and air outlet 6 are separately positioned on the both ends of sub- ventilating duct.The set-up mode of air outlet and air outlet, which can be, to be protected
Warm layer 3 directly opens up ventilation opening, and the nozzle of ventilation opening is rolled using steel plate, by the pipe of the discharge pipe of air supply device and ventilation opening
Mouth connection, or other modes, it is preferred that nozzle is rolled into using the steel plate that width is 240-400mm, it is further preferred that
5 diameter of air outlet is 200mm, and 6 diameter of air outlet is 250mm.
Wherein, air supply device can be multiple individual blowers, and each blower leads to cold wind into a sub- ventilating duct respectively,
Same blower can also be used with multiple sub- ventilating ducts, the wind that blower provides is divided into multichannel and is introduced into sub- ventilating duct respectively；As
A kind of preferred embodiment, the air supply device of the present embodiment include blower and draught distributing box, and blower is connect with draught distributing box, draught distributing box
With multiple branch air ports, each branch air port of draught distributing box is connected from the air outlet of different sub- ventilating ducts respectively, and blower mentions
The wind of confession is divided into multiply cold wind through draught distributing box, is respectively fed in different sub- ventilating ducts through different branch air ports.Draught distributing box
Belong to the prior art, be usually used in indoor fresh air air-supply etc., in the present embodiment, chain wind environment scientific and technological (Shanghai) can be used to have for draught distributing box
The dedicated draught distributing box of fresh air of limit company production.Further, the branch air port of draught distributing box can pass through with every sub- ventilating duct and connect
Hose connection.
Wherein, the air outlet of every sub- ventilating duct is connected to air outlet box, and air outlet box belongs to the prior art, leads in air outlet box
It is standing to have flow slowing down device and silencing means, buffer function can be played to the air being discharged from each sub- ventilating duct, air is by going out
Through deceleration and noise reduction when bellows drain into atmosphere, can will influence to substantially reduce caused by environment.
It preferably, should further include temperature sensor, controller and control with the wind turbine blade mold of cooling system
Valve, as shown in figure 3, temperature sensor and control valve are electrically connected with the controller respectively, temperature sensor is logical for monitoring every height
Temperature in air duct 41, and send temperature signal to controller, controller is used to for temperature signal being compared with setting value,
The unlatching, closing of output signal control control valve or folding size, control valve can control every height to divulge information according to the result of the comparison
Air feed, not air feed or air force in road.After desired temperature is set in the controller, temperature that temperature sensor will test
Signal sends controller to, controller by temperature signal compared with setting value after, if actual temperature is greater than the set value, export letter
So that control valve is opened (normally closed type control valve) or is failure to actuate (control valve open in usual) or opens size, makes the sub- ventilating duct air feed
Or adjust air quantity, if actual temperature be less than or equal to setting value, output signal control valve be failure to actuate (normally closed type control valve) or
Control valve closes (control valve open in usual), is the sub- ventilating duct not air feed.Air feed situation in each sub- ventilating duct can be carried out as a result,
Individually controlling, cooling reaches requirement in a certain sub- ventilating duct, then is not passed through cold wind, and it is energy saving, cool down in a certain sub- ventilating duct
Not up to requirement, then continue to be passed through cold wind, and control high-volume；At the same time it can also make entire mold different zones rate of temperature fall
It is more uniform, it prevents a certain region partial cooling of mold too fast, the stabilization of mold body structure is impacted, keep die face smart
Close property reduces.
Further, temperature sensor can be set in each sub- ventilating duct 41, specifically can be set in sub- ventilating duct
Middle part or tail portion, temperature sensor can be the occasionally other kinds of temperature sensor of thermoelectricity；Controller and control valve can be
Control valve in draught distributing box in built-in each branch air port of control system and draught distributing box, such as chain wind environment scientific and technological (Shanghai) are limited
The dedicated draught distributing box of fresh air of company's production, the connecting portion of each of which lateral interface are respectively set air-valve, air-valve and its
The control device of host is electrically connected, and host can be automatically controled the air force of each lateral, to can control each sub- ventilating duct
Interior air force；Controller and control valve are also possible to the device being separately provided, such as can connect in draught distributing box and each air outlet
Flow control valve is set on the pipeline connect or on air outlet, and flow control valve is electrically connected with the controller, and controller controls each stream
Control valve adjusts air force in every sub- ventilating duct.
It wherein, should further include being fixedly installed on 1 top of die ontology with the wind turbine blade mold of cooling system
Mould rack 9, type face reinforcing pipe 2 are fixedly connected with mould rack 9, are further strengthened type face reinforcing pipe 2 and are pacified on die ontology 1
The stability of holding position；Blower is mounted on mould rack 9 by hold-down support, and draught distributing box is mounted on mould rack 9.
The present invention also provides the method for preparing the above-mentioned wind turbine blade mold with cooling system, the present embodiment
In, the method for preparing the above-mentioned wind turbine blade mold with cooling system is specific as follows:
S1. the formpiston of wind turbine blade mold of the production with cooling system, specifically: according to wind turbine blade
The feature of mold carries out the seperated design of the formpiston of mold, according to type face precision, the temperature uniformity, vacuum tight of blade mold
Equal requirements carry out the male mould forming of mold, using metal steelframe plus epoxy for timber layer, by five axis CNC numerical control machining centers into
The processing in row type face obtains the three dimensional type face in design；
S2. superficial layer, inner structural layer, heating layer and outer structural layer are made on formpiston in step sl, forms die ontology,
Specifically: the three dimensional type face of formpiston is surface-treated, successively makes wind-powered blade mold after surface treatment on formpiston
Superficial layer, inner structural layer, heating layer and outer structural layer；
S3a. type face reinforcing pipe is mounted on mould rack according to the setting position of ventilating duct, then pacifies mould rack
On die ontology, specifically: the design that heat exchanges is carried out with cooling requirement according to mold production blade cures temperature, into
The design of row mold cooling air quantity, for the zoning design that blade mold ontology is aerated, according to ventilating duct zoning design
The installation site of deterministic type face reinforcing pipe, the solder type face reinforcing pipe on the metal die bracket put up, type face reinforcing pipe edge
The axial direction of mold is arranged, and the width of the ventilating duct formed between adjacent type face reinforcing pipe is 700-900mm, and type face reinforces
The surface 80-130mm of outer structural layer of the pipe apart from die ontology, type face reinforcing pipe are the steel material round tube that diameter is 40-70mm,
Type face reinforcing pipe be both used as the side wall of ventilating duct while or as die face precision controlling rigid support；
S3. type face reinforcing pipe is arranged on die ontology according to the setting position of ventilating duct, in type face reinforcing pipe and mould
Support plate is set between tool ontology, and pastes reinforcement material for type face reinforcing pipe and support plate, die ontology using hand paste process
It is separately connected with support plate, specifically: according to the design position of ventilating duct, the mould rack for being equipped with type face reinforcing pipe is installed
On die ontology, the plank or glass reinforced plastic of 5-15mm are used between type face reinforcing pipe and the outer structural layer surface of die ontology
Plate pastes forming process of glass fiber reinforced plastics by hand and pastes 1-2mm thickness, respectively extends in type face adjusting position by center two sides of regulating part
The region 200mm pastes 3-5mm thickness, makes the gap between type face reinforcing pipe and die ontology by secure seal, prevents from becoming flat；
S3b. multiple axis perpendicular to die ontology are arranged in the axial direction interval on die ontology along die ontology
Partition, specifically: carried out at interval of 7-9 meters with the partition perpendicular to die ontology axis on the axial length of die ontology
Partition makes ventilating duct on die ontology be divided into a sub- ventilating duct every 7-9 meters；
S4. the whole covering and heat insulating layer on the reinforcing pipe of type face, surrounds ventilating duct, specifically: in die ontology length direction
In upper every 7-10 meters of cooling regional scope, whole covering and heat insulating layer, insulating layer uses the double-deck aluminium film bubble thermal isolation film, thermal isolation film
Be directly anchored on the reinforcing pipe of type face using self threading pin etc., and by thermal insulation separation hotting mask each region cross-section location using close
Seal strip is sturdy, avoids running wind；
S5., air inlet and air outlet are set on ventilating duct, air inlet is connect with air supply device, specifically: each
Air outlet is set on insulating layer on the both ends of sub- ventilating duct and air outlet, air outlet and air outlet are all made of steel plate with type system
It makes, steel plate width 240-400mm, the diameter of air outlet is 200mm, and the diameter of air outlet is 250mm, needs to carry out with shape steel plate
It reinforces, trembling when avoiding air blast；Air supply device includes blower and draught distributing box, and blower is consolidated by hold-down support and mould rack
Fixed, blower is connect with draught distributing box, and the branch air port of draught distributing box is connect with the air outlet of each sub- ventilating duct by hose, by air outlet
It is connect with air outlet box；
S6., temperature sensor is set in each sub- ventilating duct, and the control system of temperature sensor and draught distributing box is electrically connected
It connects.
Wind turbine blade mold with cooling system of the invention, die ontology be equipped with ventilating duct, ventilating duct with
Air supply device connection, wind electricity blade reaches under the heating of heating layer can be filled when being cooled down after solidification temperature peak value by air feed
It sets and is passed through cold wind into ventilating duct, make the superficial layer of die ontology by the heat exchange of cold wind and die ontology on die ontology
Fast cooling can extremely produce the initial temperature of blade again, account for the mould time to reduce, significantly improve the efficiency of blade forming；It is logical
Air duct is divided into multiple short sub- ventilating ducts in the longitudinal direction, and every sub- independent air feed of ventilating duct reduces same sub- ventilation
The loss of cooling capacity in road guarantees the cooling efficiency in single sub- ventilating duct；Air supply device is made of blower and draught distributing box, draught distributing box
The cold wind that blower can be provided is distributed to each sub- ventilating duct, and the air outlet of each sub- ventilating duct is connect with air outlet box, and air outlet box can be right
The air of ventilating duct discharge is buffered；Temperature sensor is respectively set in each sub- ventilating duct, according to real in each sub- ventilating duct
The detection of border temperature is controlled and is adjusted to the air quantity in every sub- ventilating duct by air outlet box, reduces energy waste, and guarantee
Die ontology entirety rate of temperature fall is uniform.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of wind turbine blade mold with cooling system, it is characterised in that: including die ontology, the die ontology
Including the heating layer for being used to heat the superficial layer for the molding superficial layer of wind electricity blade and on the superficial layer, institute
It states die ontology and is equipped with multiple type faces reinforcing pipe, be covered with insulating layer, the table of the die ontology on the reinforcing pipe of the type face
Face, type face reinforcing pipe and the insulating layer surround the closed ventilating duct flowed in and out for fluid, the ventilating duct
Equipped with air outlet and air outlet, the air outlet is connect with air supply device.
2. the wind turbine blade mold according to claim 1 with cooling system, it is characterised in that: the ventilating duct
Along the axial direction setting of the die ontology, and every ventilating duct is divided by the partition of the axis perpendicular to the die ontology
For multiple sub- ventilating ducts, each sub- ventilating duct is equipped with the air outlet and the air outlet.
3. the wind turbine blade mold according to claim 2 with cooling system, it is characterised in that: further include temperature
Sensor, controller and control valve, the temperature sensor are used to detect the temperature in each sub- ventilating duct, the control
Device is used to receive the temperature signal of the temperature sensor detection, and controls the control valve according to the temperature signal, described
Control valve can control the volume of air supply size in every sub- ventilating duct.
4. the wind turbine blade mold according to claim 2 with cooling system, it is characterised in that: each son
Ventilating duct width is 0.7-0.9m, length 7-9m, is highly 0.1-0.2m.
5. the wind turbine blade mold according to claim 1 with cooling system, it is characterised in that: the type face adds
Gu pipe connect with the die ontology by support plate, between type face reinforcing pipe and the support plate, the support plate and
By pasting reinforcement material sealing between the die ontology.
6. the wind turbine blade mold according to claim 2 with cooling system, it is characterised in that: the air feed dress
It sets including draught distributing box and the blower blown for the draught distributing box, the draught distributing box is equipped with multiple branch air ports, the branch air port
It is connect with the air outlet of the sub- ventilating duct.
7. a kind of method for preparing the wind turbine blade mold with cooling system as described in claim 1-6 is any,
It is characterized in that, comprising:
S1. the formpiston of the production wind turbine blade mold with cooling system；
S2. the superficial layer and the heating layer are made on the formpiston in step sl, forms the die ontology；
S3. type face reinforcing pipe is arranged on the die ontology according to the setting position of the ventilating duct；
S4. the insulating layer is integrally covered on the reinforcing pipe of the type face, forms the ventilating duct；
S5., the air outlet and the air outlet are set on the ventilating duct, the air outlet and the air supply device are connected
It connects.
8. the method for wind turbine blade mold of the preparation with cooling system according to claim 7, which is characterized in that
Further include carrying out before step S3: type face reinforcing pipe is mounted on mold according to the setting position of the ventilating duct by S3a.
On bracket, then the mould rack is mounted on the die ontology.
9. the method for wind turbine blade mold of the preparation with cooling system according to claim 8, which is characterized in that
Step S3 specifically: support plate is set between type face reinforcing pipe and the die ontology, and is pasted using hand paste process
Type face reinforcing pipe and the support plate, the die ontology and the support plate are separately connected by reinforcement material.
10. the method for wind turbine blade mold of the preparation with cooling system according to claim 7, feature exist
In further include carrying out after step s 3: S3b. is set on the die ontology along the axial direction interval of the die ontology
The partition for setting multiple axis perpendicular to the die ontology makes the ventilating duct be divided into multiple sub- ventilating ducts.
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| CN201910572190.7A CN110303620B (en) | 2019-06-28 | 2019-06-28 | Large wind power blade mold with cooling system and preparation method thereof |
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| CN201910572190.7A CN110303620B (en) | 2019-06-28 | 2019-06-28 | Large wind power blade mold with cooling system and preparation method thereof |
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| CN110303620B CN110303620B (en) | 2021-06-08 |
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| CN110303620B (en) | 2021-06-08 |
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