CN220447251U - Trailing edge bonding angle die for wind power - Google Patents
Trailing edge bonding angle die for wind power Download PDFInfo
- Publication number
- CN220447251U CN220447251U CN202321975175.5U CN202321975175U CN220447251U CN 220447251 U CN220447251 U CN 220447251U CN 202321975175 U CN202321975175 U CN 202321975175U CN 220447251 U CN220447251 U CN 220447251U
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- trailing edge
- wind power
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- mold
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- 239000012792 core layer Substances 0.000 claims abstract description 64
- 239000004744 fabric Substances 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 239000011162 core material Substances 0.000 claims description 84
- 239000010410 layer Substances 0.000 claims description 74
- 230000002787 reinforcement Effects 0.000 claims description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 240000007182 Ochroma pyramidale Species 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000010112 shell-mould casting Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- 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
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- Wind Motors (AREA)
Abstract
The utility model provides a trailing edge bonding angle mould for wind power, which relates to the technical field of wind power blade manufacture, and comprises the following components: the mold core is provided with a following surface and a cutting surface which are bonded with the rear edge of the wind power blade shell mold in an angular shape; the inner mould core layer group is arranged in a shape following surface of the binding mould core, and is bonded with the rear edge of the wind power blade shell mould in an angular shape; and the outer mold core layer group is arranged on the cutting surface of the bonding mold core. This trailing edge bonding angle mould for wind-powered electricity generation sets up interior mould core layer group and outer mould core layer group respectively at the shape follow-up face and the tangential plane of mold core, and shape follow-up face, tangential plane and interior mould core layer group of mold core all agree with wind-powered electricity generation blade shell mould's trailing edge bonding angle shape, ensure later that the trailing edge bonding angle that uses this mould to make agree with wind-powered electricity generation blade trailing edge, and the mold core is a overall structure, has prolonged the mould life, has solved among the prior art and has used the trailing edge bonding angle mould that lays the fibre cloth preparation along with shape degree low, life is short problem.
Description
Technical Field
The utility model relates to the technical field of wind power blade manufacturing, in particular to a trailing edge bonding angle die for wind power.
Background
Wind power generation is an important form of utilizing wind energy at present and is mature in various renewable energy utilization technologies, and the proportion of the wind power generation to the world electric energy is rapidly improved in recent years. The development trend of the wind power blades is also towards large development, a large-capacity unit related to the large wind power blades has larger wind sweeping area and higher hub height, the wind speed of the unit cut-in is lower, the number of the utilization hours of the unit capacity is higher, the disadvantage of the large wind power blades is that the weight of the blades is larger and larger, the load of the unit is increased, and the strength of the blades is challenged. The trailing edge bonding angle is used as a key structural member of the composite wind power blade, is integrally formed with the ps shell or the ss shell by adopting a pouring process, and mainly plays a role in connecting the ps shell and the ss shell. The bonding angle molded line data is used as key data in the blade production process, whether the bonding gap of the bonding angles of the front edge and the rear edge meets the process requirement is directly influenced, and the molded line of the bonding angle mold directly influences the data of the bonding angle molded line, so that the bonding performance is influenced. The shape following degree is an important index for preparing and considering the performance of the trailing edge bonding angle die, and the shape following part of the trailing edge bonding angle die is required to be better matched with the shell molding surface.
The current preparation of the trailing edge bonding angle mould adopts the process of copying a female mould, namely, paving and pouring the female mould of the shell. The preparation trailing edge bonding angle mould is divided into three parts: a conformal part, an adhesion part and a placement part. The placing part and the adhesion part lay fiber cloth according to the shape of the flange table of the SS surface. The shape following part lays fiber cloth according to the shape of the inner surface of the PS plane. And the shape following part determines the laying starting point of each layer of fiber cloth by positioning and lays the fiber cloth layer by layer. After pouring, forming and solidifying, scraping adhesive on the PS surface shell, and bonding the PS surface and the SS surface glass fiber reinforced plastic layer into a whole through die assembly. The use of fiber cloth to make the trailing edge bonding angle does not guarantee a high degree of compliance for the mold. The fiber cloth is paved layer by layer through positioning, the requirement on the positioning accuracy is very high, and in actual production, the phenomenon of inaccurate positioning inevitably occurs because the width and the thickness of the fiber cloth are not accurate enough. During the laying and pouring process of the fiber cloth, wrinkles and resin-rich defects can occur. These risks all affect the shape following degree of the trailing edge bonding angle die, and the difficulty of production risk management and control is increased.
Accordingly, there is a need for a mold that solves at least one of the above problems.
Disclosure of Invention
The embodiment of the utility model aims to provide a trailing edge bonding angle mould for wind power, which is used for solving the problems of low shape following degree and short service life of the trailing edge bonding angle mould manufactured by paving fiber cloth in the prior art.
In order to achieve the above object, an embodiment of the present utility model provides a trailing edge bonding angle mold for wind power, including:
the mold core is provided with a following surface and a cutting surface which are bonded with the rear edge of the wind power blade shell mold in an angular shape;
the inner die core layer group is arranged along with the shape surface of the die core, and is bonded with the rear edge of the wind power blade shell die in an angular shape fit;
and the outer die core layer group is arranged to be attached to the cutting surface of the die core.
Specifically, a plurality of positioning glue points are arranged on the mold core, and the mold core is respectively and limitedly fixed with the inner mold core layer group and the outer mold core layer group through the plurality of positioning glue points.
Specifically, the mold core, the inner mold core layer group and the outer mold core layer group are formed by resin bonding.
Specifically, a plurality of pouring holes are formed in the mold core, and resin is injected into the mold core through the pouring holes and permeates the inner mold core layer group and the outer mold core layer group.
Specifically, a lightning protection mounting groove is formed in the mold core.
Specifically, the mold core is made of any one of PVC core material, balsa wood or PET foam.
Specifically, the inner mold core layer group comprises: an inner sealing layer and an inner skin reinforcement layer;
the inner skin reinforcement layer is attached to the conformal surface of the mold core, and the inner sealing layer is paved on the inner skin reinforcement layer.
Specifically, the outer mold core layer group includes: an outer sealing layer and an outer skin reinforcement layer;
the outer skin reinforcing layer is attached to the tangential surface of the mold core, and the outer sealing layer is paved on the outer skin reinforcing layer.
Specifically, the inner sealing layer and the outer sealing layer are made of a four-axis fiber cloth.
Specifically, the inner skin reinforcement layer comprises a skin attached to the conformal surface of the mold core and a reinforcement coating coated on the skin;
the outer skin reinforcement layer comprises a skin which is attached to the tangential surface of the mold core, and a reinforcement coating which is coated on the skin.
According to the wind power trailing edge bonding angle mould, the inner die core layer group and the outer die core layer group are respectively arranged on the following surface and the cutting surface of the mould core, and the following surface, the cutting surface and the inner die core layer group of the mould core are matched with the shape of the trailing edge bonding angle of the wind power blade shell mould, so that the trailing edge bonding angle manufactured by using the mould is matched with the trailing edge of the wind power blade, the mould core is of an integral structure, the following degree of the wind power trailing edge bonding angle mould is stabilized, the strength and the service life of the wind power trailing edge bonding angle mould are improved, and the problems of low following degree and short service life of the trailing edge bonding angle mould manufactured by using laid fiber cloth in the prior art are solved.
Additional features and advantages of embodiments of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, without limitation, the embodiments of the utility model. In the drawings:
FIG. 1 is a schematic structural view of a trailing edge bonding corner mold for wind power according to an embodiment of the present utility model;
FIG. 2 is a schematic view showing the attachment of a trailing edge bonding angle mold for wind power to a trailing edge bonding angle of a wind power blade shell mold according to an embodiment of the present utility model.
Description of the reference numerals
1-a mold core; 2-an inner mold core layer group; 3-an outer mold core layer group; 11-following surface; 12-cutting the dough; 21-an inner sealing layer; 22-inner skin reinforcement; 31-an outer sealing layer; 32-an outer skin reinforcement layer.
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
Fig. 1 is a schematic structural view of a wind-power trailing edge bonding angle mold, and fig. 2 is a schematic view of bonding a wind-power trailing edge bonding angle mold to a wind-power blade shell mold. As shown in fig. 1-2, the present utility model provides a trailing edge bonding angle mold for wind power, comprising:
the mold core 1 is provided with a conformal surface 11 and a tangential surface 12 which are matched with the bonding angle shape of the rear edge of the wind power blade shell mold;
the inner die core layer group 2 is arranged by being attached to the conformal surface 11 of the die core 1, and the inner die core layer group 2 is in bonding angular fit with the rear edge of the wind power blade shell die;
the outer mold core layer group 3 is arranged to be attached to the cutting surface 12 of the mold core 1.
As shown in figure 1, the trailing edge bonding angle mould for wind power is provided with an inner mould core layer group 2 on a following surface 11 of a bonding mould core 1, an outer mould core layer group 3 is arranged on a cutting surface 12 of the bonding mould core 1, the following surface 11 of the mould core 1 and the inner mould core layer group 2 are bonded with the trailing edge bonding angle shape of the wind power blade shell mould, the mould core 1 is an integral core material, the mould is manufactured by bonding the inner mould core layer group 2 and the outer mould core layer group 3 on the following surface 11 and the cutting surface 12 of the mould core 1, the mould core 1 of the integral structure has stable structure and is not easy to deform in the subsequent manufacturing process, the mould shape manufactured by multi-layer fiber cloth is not easy to maintain due to the characteristics of fiber cloth, the following degree of the bonding angle shape between the mould formed by fiber cloth and the trailing edge of the wind power blade shell mould is reduced, compared with the mould in the prior art, the mould core 1 has stable shape, is not easy to deform, can keep better shape following degree, has better strength and longer service life, and in the process of repeated use, if the inner mould core layer group 2 is damaged, the damaged inner mould core layer group 2 is directly stripped and replaced by a new inner mould core layer group 2, thereby prolonging the service life of the mould and saving the production cost, wherein the shape following degree refers to the matching degree of the mould core 1 and the inner mould core layer group 2 with the surface shape of an object, the higher the shape following degree is, the shape of the trailing edge bonding angle manufactured by the wind power trailing edge bonding angle mould is higher than the trailing edge angle matching degree of the wind power blade shell, and the wind power trailing edge bonding angle mould can be better connected, solves the problems of low shape following degree and short service life of the trailing edge bonding angle mould manufactured by using laid fiber cloth in the prior art.
When the inner die core layer group 2 and the outer die core layer group 3 are attached to the following surface 11 and the cutting surface 12 of the die core 1, in order to prevent the inner die core layer group 2 from moving on the following surface 11 and the outer die core layer group 3 from moving on the cutting surface 12, a plurality of positioning glue points are arranged on the die core 1, and the die core 1 is respectively fixed with the inner die core layer group 2 and the outer die core layer group 3 in a limiting manner through the plurality of positioning glue points. The inner die core layer group 2 and the outer die core layer group 3 are initially fixed with the die core 1 through a plurality of positioning glue points so as to avoid relative movement between the inner die core layer group 2 and the outer die core layer group 3 and the die core 1, and then the die core 1, the inner die core layer group 2 and the outer die core layer group 3 are glued through resin by injecting resin into the die core 1, and the die core 1 is made of any one of PVC core materials, balsa wood or PET foam. In order to facilitate the flow of the resin in the mold core 1, a plurality of pouring holes are formed in the mold core 1, and the resin is poured into the mold core 1 through the pouring holes and permeates the inner mold core layer group 2 and the outer mold core layer group 3. The casting holes are connected to each other so that, when resin is injected into several of the casting holes, the resin can rapidly flow in the mold core 1 along the casting holes, and the flowing resin infiltrates the inner mold core layer group 2 and the outer mold core layer group 3 to glue the inner mold core layer group 2, the mold core 1, and the outer mold core layer group 3 together.
In order to facilitate installation of lightning conductor during subsequent wind power blade manufacturing, a lightning protection installation groove is formed in the mold core 1 according to specified requirements. The installation groove is prevented from being formed in advance on the mold core 1 according to requirements, and a structure for arranging the lightning conductor is correspondingly formed on a rear edge bonding angle manufactured by using the rear edge bonding angle mold for wind power.
In one embodiment, as shown in fig. 1, the inner core layer group 2: an inner seal layer 21 and an inner skin reinforcement layer 22;
the inner skin reinforcement layer 22 is attached to the conformal surface of the mold core 1, and the inner sealing layer 21 is paved on the inner skin reinforcement layer 22.
The outer core layer group 3 includes: an outer seal layer 31 and an outer skin reinforcement layer 32;
the outer skin reinforcement layer 32 is arranged to be attached to the cut surface 12 of the mold core 1, and the outer sealing layer 31 is laid on the outer skin reinforcement layer 32.
The inner seal layer 21 and the outer seal layer 31 are made of a four-axis fiber cloth.
When the trailing edge bonding angle mould for wind power is manufactured, a numerical control machine tool is used for processing the mould core 1, the shape following surface 11 and the cutting surface 12 of the mould core 1 are matched with the shape of the trailing edge bonding angle of the wind power blade shell mould, as shown in figure 1, an inner sealing layer 21 and an inner skin reinforcing layer 22 are sequentially paved at the trailing edge bonding angle of the wind power blade shell mould, the inner sealing layer 21 is fixed on the wind power blade shell mould, afterwards, the mould core 1 is primarily fixed on the inner skin reinforcing layer 22 through positioning adhesive points, the relative movement between the mould core 1 and the inner skin reinforcing layer 22 is avoided, then an outer skin reinforcing layer 32 is arranged on the cutting surface 12 of the mould core 1, the outer skin reinforcing layer 32 and the mould core 1 are fixed through positioning adhesive points, when the mould core 1, the inner skin reinforcing layer 22 and the outer skin reinforcing layer 32 are fixed, adhesive is smeared on each positioning adhesive point, pouring resin is poured into the inner casting holes 1 through pouring holes formed in the mould core 1 after the primary fixing mould core 1 and the inner skin reinforcing layer 22, and the inner skin reinforcing layer 32 are simultaneously, and the mould core 1 is prevented from penetrating into the inner skin reinforcing layer 1, and the inner skin reinforcing layer is formed into the inner mould core 1 and the outer skin reinforcing layer 2, and the inner mould core 1 and the outer mould core 1 is prevented from penetrating into the inner skin reinforcing layer and the inner skin layer 1 and the outer mould layer 2 and the outer mould layer 1 and the outer mould layer is not penetrating into the inner skin layer and the inner skin layer 1 and the outer mould layer.
In order to better prolong the service life of the trailing edge bonding angle mould for wind power, the inner skin reinforcement layer 22 comprises a skin which is attached to the conformal surface of the mould core 1 and a reinforcement coating which is coated on the skin;
the outer skin reinforcement layer 32 includes a skin that is adhered to the tangential surface of the mold core 1, and a reinforcing paint applied to the skin. The skin is made of glass fiber, and the strengthening coating is one of polyurethane coating, polymer coating or polyester coating.
According to the wind power trailing edge bonding angle mould, the inner die core layer group and the outer die core layer group are respectively arranged on the following surface and the cutting surface of the mould core, and the following surface, the cutting surface and the inner die core layer group of the mould core are matched with the shape of the trailing edge bonding angle of the wind power blade shell mould, so that the trailing edge bonding angle manufactured by using the mould is matched with the trailing edge of the wind power blade, the mould core is of an integral structure, the following degree of the wind power trailing edge bonding angle mould is stabilized, the strength and the service life of the wind power trailing edge bonding angle mould are improved, and the problems of low following degree and short service life of the trailing edge bonding angle mould manufactured by using laid fiber cloth in the prior art are solved.
The foregoing details of the optional implementation of the embodiment of the present utility model have been described in detail with reference to the accompanying drawings, but the embodiment of the present utility model is not limited to the specific details of the foregoing implementation, and various simple modifications may be made to the technical solution of the embodiment of the present utility model within the scope of the technical concept of the embodiment of the present utility model, and these simple modifications all fall within the protection scope of the embodiment of the present utility model.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of embodiments of the present utility model are not described in detail.
In addition, any combination of various embodiments of the present utility model may be performed, so long as the concept of the embodiments of the present utility model is not violated, and the disclosure of the embodiments of the present utility model should also be considered.
Claims (10)
1. The trailing edge bonding angle die for wind power is characterized in that the trailing edge bonding angle die for wind power comprises:
the mold core (1) is provided with a following surface (11) and a cutting surface (12) which are in angular fit with the rear edge bonding angle of the wind power blade shell mold;
the inner die core layer group (2) is arranged by being attached to a shape following surface (11) of the die core (1), and the inner die core layer group (2) is bonded with the rear edge of the wind power blade shell die to be in angular fit;
the outer mold core layer group (3) is attached to the cutting surface (12) of the mold core (1).
2. The trailing edge bonding angle die for wind power according to claim 1, wherein a plurality of positioning glue points are arranged on the die core (1), and the die core (1) is respectively fixed with the inner die core layer group (2) and the outer die core layer group (3) in a limiting mode through the plurality of positioning glue points.
3. The trailing edge bonding corner mold for wind power according to claim 1, wherein the mold core (1), the inner mold core group (2) and the outer mold core group (3) are formed by resin bonding.
4. A trailing edge bonding corner mold for wind power according to claim 3, characterized in that a plurality of pouring holes are formed in the mold core (1), and resin is poured into the mold core (1) through the plurality of pouring holes and permeates the inner mold core layer group (2) and the outer mold core layer group (3).
5. The trailing edge bonding angle mold for wind power according to claim 1, wherein a lightning protection mounting groove is formed in the mold core (1).
6. The trailing edge bonding corner mold for wind power according to claim 1, wherein the mold core (1) is made of any one of PVC core material, balsa wood or PET foam.
7. The trailing edge bonding corner mold for wind power according to claim 1, wherein the
The internal mold core layer group (2) comprises: an inner seal layer (21) and an inner skin reinforcement layer (22);
the inner skin reinforcement layer (22) is attached to the conformal surface of the mold core (1), and the inner sealing layer (21) is paved on the inner skin reinforcement layer (22).
8. Wind power trailing edge bonding corner mould according to claim 7, characterized in that the outer mould core layer group (3) comprises: an outer sealing layer (31) and an outer skin reinforcement layer (32);
the outer skin reinforcing layer (32) is attached to the tangential surface (12) of the mold core (1), and the outer sealing layer (31) is paved on the outer skin reinforcing layer (32).
9. The trailing edge bonding corner mold for wind power according to claim 8, wherein the inner skin reinforcement layer (22) comprises a skin adhered to the conformal surface (11) of the mold core (1) and a reinforcement paint coated on the skin;
the outer skin reinforcement layer (32) comprises a skin which is attached to the tangential surface (12) of the mould core (1) and a reinforcement coating which is applied to the skin.
10. Wind power trailing edge bonding corner die according to claim 1, characterized in that the inner sealing layer (21) and the outer sealing layer (31) are made of a four-axis fiber cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321975175.5U CN220447251U (en) | 2023-07-25 | 2023-07-25 | Trailing edge bonding angle die for wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321975175.5U CN220447251U (en) | 2023-07-25 | 2023-07-25 | Trailing edge bonding angle die for wind power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220447251U true CN220447251U (en) | 2024-02-06 |
Family
ID=89724472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321975175.5U Active CN220447251U (en) | 2023-07-25 | 2023-07-25 | Trailing edge bonding angle die for wind power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220447251U (en) |
-
2023
- 2023-07-25 CN CN202321975175.5U patent/CN220447251U/en active Active
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