CN111873479A - Pultruded plate for wind power blade and manufacturing equipment and manufacturing method thereof - Google Patents
Pultruded plate for wind power blade and manufacturing equipment and manufacturing method thereof Download PDFInfo
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- CN111873479A CN111873479A CN202010745027.9A CN202010745027A CN111873479A CN 111873479 A CN111873479 A CN 111873479A CN 202010745027 A CN202010745027 A CN 202010745027A CN 111873479 A CN111873479 A CN 111873479A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 55
- 239000011347 resin Substances 0.000 claims abstract description 38
- 229920005989 resin Polymers 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000001802 infusion Methods 0.000 claims abstract description 8
- 238000009755 vacuum infusion Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims description 3
- 238000005429 filling process Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000010073 coating (rubber) Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- 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
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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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/20—Manufacture essentially without removing material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
A plate body in a semi-solidified state is formed by a plate die, and a convex surface on the upper surface and a convex surface on the lower surface of the plate body are respectively pressed by a groove pressing device to form the pultruded plate with a groove. And further stacking the pultrusion plates, and infusing resin into gaps among the plate layers through resin infusion equipment by a vacuum infusion process to form the main bearing structure of the wind power blade. According to the invention, grooves are formed on two sides of the surface of the plate main body of the pultruded plate, so that the gap space between layers of the pultruded plate is increased, and when resin is poured, the resin can flow between layers of the pultruded plate, so that the pouring uniformity of the resin is improved, the pouring process is accelerated, the rubber coating phenomenon is reduced, the possibility of pouring failure is reduced, and the production efficiency of the wind power blade is improved.
Description
Technical Field
The invention relates to a pultruded panel for a wind turbine blade, and manufacturing equipment and a manufacturing method thereof.
Background
Fiber reinforced resin composite panels (hereinafter referred to as panels) are increasingly commonly used in wind blades, typically as the material of the main load bearing structure (main and trailing edge secondary) of the wind blade. When the plate is applied to a blade main beam (or trailing edge auxiliary beam) structure, the length direction of the plate is basically consistent with the span direction of the blade, the plate is usually laid and stacked firstly, and then resin is poured into gaps among plate layers through a vacuum pouring process, so that the integral bonding strength of the plate is ensured. When the plate is applied, the plate is in a form shown in fig. 1, after the surface peeling layer of the plate is removed, shallow concave surfaces 103 appear on the upper surface and the lower surface of the plate 101, and convex surfaces 102 appear on both sides of the concave surfaces 103, as shown in fig. 2, when the plates are stacked layer by layer, the convex surfaces 102 between the plate layers are combined, a closed area 105 is possibly formed, the gap is very small, so that the resin flows slowly, and the resin between the plate layers cannot be self-balanced, which may cause the occurrence of an encapsulation phenomenon, cause defects, and possibly cause a perfusion failure.
Disclosure of Invention
The invention provides a pultruded panel for a wind power blade, and manufacturing equipment and a manufacturing method thereof, which improve the pouring uniformity of resin, accelerate the pouring process, reduce the rubber coating phenomenon, reduce the possibility of pouring failure and improve the production efficiency of the wind power blade.
In order to achieve the above object, the present invention provides a pultruded panel for a wind turbine blade, comprising:
the plate comprises a plate main body, wherein the upper surface and the lower surface of the plate main body are both provided with a concave surface and convex surfaces positioned on two sides of the concave surface;
and the grooves are arranged on the convex surface, one ends of the grooves are communicated to the concave surface, and the other ends of the grooves are communicated to the outer side of the plate main body.
The depth of the groove is less than or equal to the depth of the concave surface.
The interval between the grooves is less than or equal to 10 cm.
The invention also provides a main bearing structure of the wind power blade, which comprises a plurality of layers of the pultruded plates bonded by resin infusion.
The invention also provides equipment for manufacturing the pultruded panel for the wind power blade, which is used for manufacturing the pultruded panel for the wind power blade, and the equipment for manufacturing the pultruded panel for the wind power blade comprises:
a sheet die for forming a sheet main body in a semi-cured state;
at least two indent devices, its setting is in the exit of panel mould, two indent devices be located respectively the convex surface department of the upper surface of panel main part, and the convex surface department of the lower surface of panel main part, the indent device be used for the centre gripping the panel main part of semi-solid state, make the convex surface of the upper surface of panel main part on and form the recess on the convex surface of lower surface.
The groove pressing device at least comprises a pressing head for forming the groove pressing and a driving mechanism for driving the pressing head to move.
The size of the pressure head ensures that one end of the generated groove is communicated to the concave surface of the plate main body, and the other end of the generated groove is communicated to the outer side of the plate main body.
The invention also provides a manufacturing device of the wind power blade main bearing structure, which is used for manufacturing the wind power blade main bearing structure, and the manufacturing device of the wind power blade main bearing structure comprises:
the equipment for manufacturing the pultruded panel is used for generating the pultruded panel with the groove;
and the resin infusion equipment infuses resin into the gaps among the pultruded panel layers through a vacuum infusion process to form the main bearing structure of the wind power blade.
The invention also provides a method for manufacturing the pultruded panel for the wind power blade, which adopts the equipment for manufacturing the pultruded panel for the wind power blade to manufacture the pultruded panel for the wind power blade, and the method for manufacturing the pultruded panel for the wind power blade comprises the following steps: and forming a semi-cured plate main body by using a plate die, and respectively pressing and clamping the convex surface of the upper surface and the convex surface of the lower surface of the semi-cured plate main body by using a groove pressing device to form a groove.
The driving mechanism drives the pressing head to press and clamp from the upper surface or the lower surface of the plate main body to the thickness center line direction of the plate main body to form a groove with a specified depth, and then the driving mechanism drives the pressing head to move from the thickness center line of the plate to the upper surface or the lower surface of the plate main body to separate the pressing head from the plate main body.
The grooves on the convex surfaces on the two sides of the plate main body are formed simultaneously by adopting the same grooving device, or the grooves on the convex surfaces on the two sides of the plate main body are formed respectively by adopting different grooving devices.
The invention also provides a manufacturing method of the wind power blade main bearing structure, which adopts the wind power blade main bearing structure manufacturing equipment to manufacture the wind power blade main bearing structure, and the manufacturing method of the wind power blade main bearing structure comprises the following steps: the method comprises the steps of generating pultruded plates with grooves through pultruded plate manufacturing equipment, stacking the pultruded plates, and filling resin into gaps among the pultruded plate layers through resin filling equipment through a vacuum filling process to form the main bearing structure of the wind power blade.
According to the invention, grooves are formed on two sides of the surface of the plate main body of the pultruded plate, so that the gap space between layers of the pultruded plate is increased, and when resin is poured, the resin can flow between layers of the pultruded plate, so that the pouring uniformity of the resin is improved, the pouring process is accelerated, the rubber coating phenomenon is reduced, the possibility of pouring failure is reduced, and the production efficiency of the wind power blade is improved.
Drawings
FIG. 1 is a schematic structural diagram of a sheet material for a wind turbine blade in the background art.
Fig. 2 is a schematic structural diagram of stacking plates layer by layer in the prior art.
FIG. 3 is a schematic structural diagram of a pultruded panel for a wind turbine blade according to the present invention.
Fig. 4 and 5 are schematic structural views of a layer-by-layer stack of pultruded panels according to an embodiment of the present invention.
FIG. 6 is a schematic structural diagram of a pultrusion plate manufacturing device for a wind turbine blade provided by the invention.
Detailed Description
The preferred embodiment of the present invention will be described in detail below with reference to fig. 3 to 6.
The invention provides a main bearing structure of a wind power blade, which comprises a plurality of layers of pultruded plates, wherein the layers of the pultruded plates are bonded through resin infusion. The main bearing structure of the wind power blade can be a main beam, a rear edge auxiliary beam and the like of the wind power blade.
Each layer of pultruded panel further comprises:
the plate comprises a plate body, wherein the upper surface and the lower surface of the plate body are respectively provided with a concave surface and convex surfaces positioned on two sides of the concave surface;
and the grooves are arranged on the convex surface, one ends of the grooves are communicated to the concave surface, and the other ends of the grooves are communicated to the outer side of the plate main body.
As shown in fig. 3, in one embodiment of the present invention, the pultruded panel for wind turbine blade is substantially rectangular, four corners of the panel main body 201 are rounded, the pultruded panel after removing the peeling layer presents a concave surface 202, and a plurality of grooves 204 are distributed on two convex surfaces 203 of the concave surface 202. The depth of the groove 204 is not more than that of the concave surface 202, namely the depth of the groove 204 is not more than that of the surface of the pultruded plate after the stripping layer is removed, when resin passes through the plate layers, the phenomenon that the non-groove area lacks resin when the resin passes through the groove quickly can be reduced.
In another embodiment of the invention, the pultruded panel for wind turbine blade comprises a panel main body 201, wherein both upper and lower surfaces of the panel main body 201 are provided with a concave surface 202 and convex surfaces 203 positioned at both sides of the concave surface 202, the convex surfaces 203 are provided with a plurality of grooves 204, and the depth of the grooves 204 is in the range of 0.1mm to 0.5 mm.
In another embodiment of the invention, the pultruded panel for a wind turbine blade comprises a panel main body 201, wherein both the upper surface and the lower surface of the panel main body 201 are provided with a concave surface 202 and convex surfaces 203 positioned at both sides of the concave surface 202, the convex surfaces 203 are provided with a plurality of grooves 204, and the intervals between the grooves 204 are less than or equal to 10 centimeters. Through the interval of reasonable control recess, can control the continuity of resin flow forward position, prevent that the concave surface region between the recess from producing the starved condition.
In another embodiment of the present invention, a pultruded panel for a wind turbine blade comprises a panel main body 201, wherein both upper and lower surfaces of the panel main body 201 have a concave surface 202 and convex surfaces 203 located at both sides of the concave surface 202, a plurality of grooves 204 are disposed on the convex surfaces 203, and the cross-sectional shapes of the grooves 204 are arbitrary, such as rectangular, trapezoidal, arc, and the like.
In another embodiment of the present invention, the pultruded panel for a wind turbine blade comprises a panel main body 201, wherein both upper and lower surfaces of the panel main body 201 have concave surfaces 202 and convex surfaces 203 located at both sides of the concave surfaces 202, a plurality of grooves 204 are disposed on the convex surfaces 203, and the grooves 204 may be regularly distributed on the convex surfaces 203, for example, all the grooves 204 are uniformly spaced, or the grooves 204 are irregularly distributed on the convex surfaces 203, that is, all the grooves 204 are randomly distributed. Further, the grooves 204 on the convex surface 203 at both sides of the concave surface 202 may be distributed symmetrically or asymmetrically.
As shown in fig. 4, in an embodiment of the present invention, the pultruded panels are stacked layer by layer, and the distribution of the grooves on the lower surface of the upper panel is completely the same as the distribution of the grooves on the upper surface of the lower panel, so that the grooves can be correspondingly butted together to form a larger gap space 205 for the resin to flow, thereby facilitating the resin to flow between the layers of the panels through the grooves and uniformly infiltrate between the layers of the panels.
In another embodiment of the present invention, as shown in fig. 5, the pultruded panels are stacked layer by layer, the distribution of the grooves on the lower surface of the upper panel is not exactly the same as the distribution of the grooves on the upper surface of the lower panel, and the grooves on the lower surface of the upper panel are misaligned with the grooves on the upper surface of the lower panel to form smaller gap spaces 206, but because there are more gap spaces 206 between the two panels, the flow of resin from the grooves to the layers of the panels is still facilitated, and the resin is uniformly infiltrated between the layers of the panels.
As shown in fig. 6, the present invention further provides a manufacturing apparatus of pultruded panels for wind turbine blades, comprising:
a sheet material mold 301 for forming a sheet material main body in a semi-cured state;
at least two indent devices 302, it sets up in the exit of panel mould 301, two indent devices 302 be located the convex surface department of the upper surface one side of panel main part 303 respectively to and the convex surface department of the lower surface one side of panel main part 303, indent devices 302 be used for the clamping of semi-solid state's panel main part, make the convex surface of the upper surface of panel main part and form the recess on the convex surface of lower surface.
Further, the groove pressing device 302 at least comprises a pressing head and a driving mechanism for driving the pressing head to move. The size of the pressure head needs to ensure that one end of the generated groove is communicated to the concave surface of the plate main body, and the other end of the generated groove is communicated to the outer side of the plate main body. The actuating mechanism can drive the pressure head and remove, make the pressure head contact the convex surface of panel main part to exert pressure to the convex surface, thereby form the recess on the convex surface, after the recess shaping, actuating mechanism drive pressure head reverse motion makes the pressure head leave the panel main part.
The invention also provides a wind power blade main bearing structure manufacturing device, which comprises:
a pultruded panel manufacturing apparatus for producing a pultruded panel having a groove;
and the resin infusion equipment infuses resin into gaps among the pultruded plate layers through a vacuum infusion process to form the main bearing structure of the wind power blade.
The invention also provides a manufacturing method of the pultruded panel for the wind power blade, which comprises the following steps:
step S1, forming a semi-solidified board main body by using the board die;
step S2, the grooving device presses the convex surfaces of the upper surface and the lower surface of the board main body, respectively, to form a groove.
The invention also provides a manufacturing method of the main bearing structure of the wind power blade, which comprises the following steps:
step S1, generating a pultruded plate with a groove through a pultruded plate manufacturing device;
and S2, stacking the pultruded plates, and infusing resin into gaps among the pultruded plates by resin infusion equipment through a vacuum infusion process to form the main bearing structure of the wind power blade.
In one embodiment of the invention, fiber cone yarn enters a rubber groove through a yarn collector, the yarn enters a plate die through a pre-forming tool after being dipped in rubber, the plate main body is gradually hardened in the plate die and is output from an outlet of the plate die, the plate main body is in a semi-curing state at the moment, a groove pressing device starts to work, a driving mechanism driving pressure head is respectively pressed and clamped towards the thickness center line direction of the plate main body from the upper surface and the lower surface of the plate main body in the thickness direction of the plate main body, after a specified depth is reached (determined according to the depth of a groove), the driving mechanism driving pressure head stays for a certain time (the staying time is determined to ensure that the groove is completely formed and can be generally set to be less than or equal to 3 seconds), the shape of the groove is matched with the shape of a pressure head, after the groove is formed, the driving mechanism driving pressure head respectively moves, the ram is separated from the plate body.
The speed of the plate main body output by the plate die can be uniform or variable, the frequency of the plate main body pressed by the groove pressing module can be fixed in period or random, and the grooves can be uniformly distributed at intervals or irregularly distributed by comprehensively adjusting the speed of the plate main body output by the plate die and the frequency of the plate main body pressed by the groove pressing module.
A plurality of indent devices can be set up on one side of the upper surface of panel main part and one side of the lower surface of panel main part, can set up at even interval between a plurality of indent devices to synchronous motion can improve production efficiency like this.
In one embodiment of the invention, the grooves on the convex surfaces on both sides of the plate main body are formed by the same grooving device, the length of a pressing head on the grooving device can be set to be longer, the pressing head can simultaneously press and clamp the convex surfaces on both sides of the plate main body to form the grooves, and the grooves on the convex surfaces on both sides of the pultruded plate formed by the pressing head are symmetrically distributed.
In another embodiment of the invention, the grooves on the convex surfaces on both sides of the plate body are respectively formed by different grooving devices, the length of a pressing head on each grooving device is set to be shorter, the pressing head presses and clamps the convex surfaces on one side of the plate body to form the grooves, if the frequencies of the pressing and clamping plate bodies of the two grooving devices are consistent, the grooves on the convex surfaces on both sides of the formed pultruded plate are symmetrically distributed, and if the frequencies of the pressing and clamping plate bodies of the two grooving devices are inconsistent, the grooves on the convex surfaces on both sides of the formed pultruded plate are asymmetrically distributed.
According to the invention, grooves are formed on two sides of the surface of the plate main body of the pultruded plate, so that the gap space between layers of the pultruded plate is increased, and when resin is poured, the resin can flow between layers of the pultruded plate, so that the pouring uniformity of the resin is improved, the pouring process is accelerated, the rubber coating phenomenon is reduced, the possibility of pouring failure is reduced, and the production efficiency of the wind power blade is improved.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (12)
1. The utility model provides a wind-powered electricity generation is pultrusion panel for blade which characterized in that contains:
the plate comprises a plate main body, wherein the upper surface and the lower surface of the plate main body are both provided with a concave surface and convex surfaces positioned on two sides of the concave surface;
and the grooves are arranged on the convex surface, one ends of the grooves are communicated to the concave surface, and the other ends of the grooves are communicated to the outer side of the plate main body.
2. The pultruded panel for wind turbine blades according to claim 1, wherein said grooves have a depth equal to or less than the depth of said recessed surface.
3. The pultruded panel for a wind turbine blade according to claim 1, wherein the distance between said grooves is 10 cm or less.
4. A wind blade primary load bearing structure comprising a plurality of layers of pultruded panels according to any of claims 1 to 3 bonded by resin infusion.
5. A wind turbine blade pultruded panel manufacturing apparatus for manufacturing the wind turbine blade pultruded panel according to any of claims 1 to 3, wherein said wind turbine blade pultruded panel manufacturing apparatus comprises:
a sheet die for forming a sheet main body in a semi-cured state;
at least two indent devices, its setting is in the exit of panel mould, two indent devices be located respectively the convex surface department of the upper surface of panel main part, and the convex surface department of the lower surface of panel main part, the indent device be used for the centre gripping the panel main part of semi-solid state, make the convex surface of the upper surface of panel main part on and form the recess on the convex surface of lower surface.
6. The apparatus for manufacturing a pultruded panel for a wind turbine blade according to claim 5, wherein said slot-pressing means comprises at least a pressing head for forming a slot, and a driving mechanism for driving said pressing head to move.
7. The apparatus of claim 6, wherein the indenter is sized to create a groove having one end communicating with the concave surface of the plate body and another end communicating with the outside of the plate body.
8. A wind power blade main bearing structure manufacturing device, which is used for manufacturing the wind power blade main bearing structure as claimed in claim 4, wherein the wind power blade main bearing structure manufacturing device comprises:
the pultruded panel manufacturing apparatus according to any of the claims 5-7, for producing a pultruded panel having a groove;
and the resin infusion equipment infuses resin into the gaps among the pultruded panel layers through a vacuum infusion process to form the main bearing structure of the wind power blade.
9. A method for manufacturing a pultruded panel for a wind turbine blade, which uses the manufacturing equipment of the pultruded panel for a wind turbine blade according to any one of claims 5 to 7 to manufacture the pultruded panel for a wind turbine blade according to any one of claims 1 to 3, wherein the method for manufacturing the pultruded panel for a wind turbine blade comprises: and forming a semi-cured plate main body by using a plate die, and respectively pressing and clamping the convex surface of the upper surface and the convex surface of the lower surface of the semi-cured plate main body by using a groove pressing device to form a groove.
10. The method of manufacturing a pultruded panel for a wind turbine blade according to claim 9, wherein said driving mechanism drives a ram to press and clamp the upper surface or the lower surface of said panel body in a direction of a thickness center line of said panel body to form a groove having a predetermined depth, and then said driving mechanism drives said ram to move in a direction of the upper surface or the lower surface of said panel body from the thickness center line of said panel body to separate said ram from said panel body.
11. The method of manufacturing a pultruded panel for a wind turbine blade according to claim 10, wherein the same grooving apparatus is used to form the grooves on the convex surfaces of both sides of the panel body at the same time, or different grooving apparatuses are used to form the grooves on the convex surfaces of both sides of the panel body respectively.
12. A wind blade main bearing structure manufacturing method, which adopts the wind blade main bearing structure manufacturing equipment according to claim 8 to manufacture the wind blade main bearing structure according to claim 4, wherein the wind blade main bearing structure manufacturing method comprises: the method comprises the steps of generating pultruded plates with grooves through pultruded plate manufacturing equipment, stacking the pultruded plates, and filling resin into gaps among the pultruded plate layers through resin filling equipment through a vacuum filling process to form the main bearing structure of the wind power blade.
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| CN202010745027.9A CN111873479A (en) | 2020-07-29 | 2020-07-29 | Pultruded plate for wind power blade and manufacturing equipment and manufacturing method thereof |
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| CN202010745027.9A CN111873479A (en) | 2020-07-29 | 2020-07-29 | Pultruded plate for wind power blade and manufacturing equipment and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953522A (en) * | 2022-06-10 | 2022-08-30 | 南通艾郎风电科技发展有限公司 | Wind power blade pultrusion glass plate edge chamfering device |
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| CN102166833A (en) * | 2010-02-26 | 2011-08-31 | 曹臣明 | Horizontal pushing automatic feeding slotting machine |
| CN108436679A (en) * | 2018-04-03 | 2018-08-24 | 苏州比特翼自动化科技有限公司 | A kind of slotting machine for slabs |
| CN109732951A (en) * | 2019-03-04 | 2019-05-10 | 上伟（江苏）碳纤复合材料有限公司 | A kind of wind electricity blade pultrusion enhancing plate and its manufacturing method conducive to resin flowing |
| CN110242511A (en) * | 2019-05-08 | 2019-09-17 | 上纬新材料科技股份有限公司 | Wind turbine blade production plate, wind turbine blade spar cap structure and preparation method |
| CN110561794A (en) * | 2019-06-24 | 2019-12-13 | 上纬新材料科技股份有限公司 | Composite material pultruded sheet and stacking forming method thereof |
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| CN114953522A (en) * | 2022-06-10 | 2022-08-30 | 南通艾郎风电科技发展有限公司 | Wind power blade pultrusion glass plate edge chamfering device |
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