CN210082456U - Fiber laying composite material forming die and wind power blade main beam cap forming die - Google Patents
Fiber laying composite material forming die and wind power blade main beam cap forming die Download PDFInfo
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- CN210082456U CN210082456U CN201920931650.6U CN201920931650U CN210082456U CN 210082456 U CN210082456 U CN 210082456U CN 201920931650 U CN201920931650 U CN 201920931650U CN 210082456 U CN210082456 U CN 210082456U
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- 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
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Abstract
The utility model relates to a fibre reinforced polymer base combined material product mould field and wind-powered electricity generation blade make field, disclose a fibre and spread layer combined material forming die and wind-powered electricity generation blade girder cap forming die. The utility model avoids the later polishing work caused by the edge corrugation of the wind power blade main beam cap or other thick fiber fabric laying layers by arranging the mode of matching the soft and hard flanges, and reduces polishing dust; secondly, the defects caused by the fact that demolding cloth, an isolating film, a rubber suction felt and the like are mixed in the middle of a layering gap due to vacuum pressure and introduced into later-stage co-curing molding can be avoided; meanwhile, the air guide mode of vacuum infusion is improved, and the wrapped dry spots caused by resin glue discharging in advance are directly eliminated. The utility model discloses a fibre is spread layer combined material forming die mainly is applied to the shaping of wind-powered electricity generation blade girder cap, also can be used to the thick layer combined material part of spreading of fields such as cabin housing, yacht, track traffic, aerospace and makes.
Description
Technical Field
The utility model belongs to the technical field of fibre reinforced polymer base combined material product mould field and wind-powered electricity generation blade manufacturing and specifically relates to a fibre is spread layer combined material forming die and wind-powered electricity generation blade girder cap's forming die.
Background
The resin vacuum introduction fiber laying layer is a mould which is most widely applied to forming of fiber reinforced polymer matrix composite materials, and is widely applied to the manufacturing field of thick fiber laying layers of wind power engine room housings, yachts, rail transit, aerospace and the like. In the field of wind power blade manufacturing, as a composite material wind power blade product is manufactured in order to shorten the manufacturing period and improve the manufacturing efficiency, a key component main beam cap is usually manufactured in advance and then co-cured and molded with a shell, the main beam cap is often restricted by factors such as pouring dry spots, impurity inclusion on the section, size difference, cutting and polishing, dust pollution and the like caused by the defects of a die in the molding process, and great troubles are brought to production and manufacturing. Therefore, the production environment can be ensured to be friendly by high-efficiency production, and the defects can be eliminated to become the original purpose of the die research. The method has very important significance in determining the die of the main beam cap and evaluating the effect of the main beam cap.
The forming die for the wind power blade main beam cap is a hard single-flange or hard double-flange die at present, defects are often introduced in the hard single-flange die in the process of later-stage co-curing forming caused by mixing of vacuum pressure in the middle of a laying gap due to demolding cloth, an isolating membrane, a suction rubber mat and the like on the laying layer of the hard single-flange die, polishing work in the later stage is caused by edge wrinkles of a thick fiber fabric laying layer, edge dislocation caused by deformation of the hard double-flange die in the process of laying layer on the laying layer of the hard double-flange die often due to fabric laying is avoided, a resin backflow flow channel is formed, and dry fibers wrapping a formed product are caused. Therefore, a mold which can improve the production quality and improve the efficiency and reduce the defects of products is needed to replace the current mold.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a fibre is spread layer combined material forming die and wind-powered electricity generation blade girder cap's forming die is provided, the marginal defect that wind-powered electricity generation blade girder cap or other thick fiber fabric spread the layer can be reduced.
The utility model discloses a fibre is spread layer combined material forming die, including mould main part and vacuum bag membrane, mould main part forms with the sealed cooperation of vacuum bag membrane and is spread the layer space, lay the fiber fabric in the layer space, the outside that the upper and lower two sides of fiber fabric were provided with drawing of patterns cloth and at least one side drawing of patterns cloth respectively is provided with the water conservancy diversion net, the both sides of spreading the layer space are injecting glue side and exhaust side respectively, the injecting glue side is provided with first hard flange, the exhaust side is provided with the hard flange of second, the inboard of the hard flange of second is provided with soft flange, the hard flange of first hard flange and second respectively with mould main part fixed coordination, soft flange and mould main part clearance fit, the height that highly is greater than or equal to the natural height of putting of fiber fabric of first hard flange and soft flange.
Preferably, the flow guide net is laid below the lower demoulding cloth, and the upper softening plate is arranged above the upper demoulding cloth.
Preferably, the soft flanges and the upper soft pressing plate are made of silicon rubber, butyl rubber, ethylene propylene diene monomer rubber or nitrile rubber.
Preferably, the first hard rib and the second hard rib are of an integrally formed structure with the mold main body.
Preferably, the flow guide net is laid below the lower demolding cloth, and the upper demolding cloth and the lower demolding cloth extend above the soft retaining side.
Preferably, the flow guide net is laid below the upper demolding cloth, and the upper demolding cloth and the lower demolding cloth extend below the soft flanges.
Preferably, the outside of the upper and lower surface demoulding cloth is provided with a diversion net, one diversion net is shorter, and the upper and lower surface demoulding cloth extends to the corresponding side of the soft flange and the short diversion net.
Preferably, the second hard rib is lower than the soft rib in height.
Preferably, the height of the second hard rib is 5-15 mm.
The utility model also discloses a forming die of wind-powered electricity generation blade girder cap adopts foretell fibre to spread layer combined material forming die promptly.
The utility model avoids the later polishing work caused by the edge corrugation of the wind power blade main beam cap or other thick fiber fabric laying layers by arranging the mode of matching the soft and hard flanges, and reduces polishing dust; secondly, the defects caused by the fact that demolding cloth, an isolating film, a rubber suction felt and the like are mixed in the middle of a layering gap due to vacuum pressure and introduced into later-stage co-curing molding can be avoided; meanwhile, the air guide mode of vacuum infusion is improved, and the wrapped dry spots caused by resin glue discharging in advance are directly eliminated. The utility model discloses a fibre is spread layer combined material forming die mainly is applied to the shaping of wind-powered electricity generation blade girder cap, also can be used to the thick layer combined material part of spreading of fields such as cabin housing, yacht, track traffic, aerospace and makes.
Drawings
Fig. 1 is a schematic view of a preferred embodiment of the present invention;
fig. 2 is a schematic view of another preferred embodiment of the present invention.
Reference numerals:
the vacuum bag comprises a first vacuum bag film 1, a second vacuum bag film 2, a mold main body 3, a sealing adhesive tape 4, a spiral air duct 5, a second hard flange 6, a soft flange 7, a fiber fabric 8, an upper pressing soft plate 9, demolding cloth 10, a flow guide net 11, a first hard flange 12 and an injection rubber pipe 13.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model relates to a fiber laying composite material forming mould, which comprises a mould main body 3 and a vacuum bag film, the mould main body 3 is matched with the vacuum bag film in a sealing way to form a layer laying space, a fiber fabric 8 is arranged in the layer laying space, the upper surface and the lower surface of the fiber fabric 8 are respectively provided with a demoulding cloth 10, the outer side of at least one demoulding cloth 10 is provided with a flow guide net 11, the two sides of the laying space are respectively a glue injection side and an air exhaust side, the glue injection side is provided with a first hard flange 12, a second hard flange 6 is arranged at the air exhaust side, a soft flange 7 is arranged at the inner side of the second hard flange 6, the first hard flange 12 and the second hard flange 6 are respectively and fixedly matched with the mould main body 3, the soft flange 7 is movably matched with the mould main body 3, the height of the first hard ribs 12 and the soft ribs 7 is greater than or equal to the natural laying height of the fiber fabric 8.
As shown in fig. 1 and 2, the vacuum bag film may be provided as two layers including a first vacuum bag film 1 and a second vacuum bag film 2, the vacuum bag film and the mold main body 3 may be sealed by a sealing tape 4, and the fiber fabric 8, the release fabric 10, and the flow guide net 11 are laid in a laying space before the mold main body 3 and the vacuum bag film. The demolding cloth 10 is arranged on two sides of the fiber fabric 8, the adhesion of the mold is prevented, the mold is stripped on the square face, and the flow guide net 11 is laid on the outer side of the demolding cloth 10, namely the side, far away from the fiber fabric 8, of the demolding cloth 10. The flow guide net 11 allows the injected resin to penetrate into the fiber fabric 8 uniformly and rapidly. The both sides in the layer space are the side of bleeding and injecting glue side, and the side of bleeding sets up spiral air duct 5 and is used for bleeding, and the injecting glue side sets up injecting glue pipe 13 and is used for the injecting glue. Flanges are respectively arranged at two sides in the layering space to limit two sides of the fiber fabric 8. The utility model discloses in, the injecting glue side has adopted first hard flange 12, the side of bleeding has then adopted the two flange forms that second hard flange 6 and soft flange 7 combine, fixed hard flange is as the edge reference surface of layering, movable soft flange 7 is located second hard flange 6 inboard, act on with the layering, be used for compressing tightly the compaction in the width direction behind the layering, soft flange 7 can with 8 shape-giving nature of section fine of fabric, avoid drawing of patterns cloth 10, barrier film, inhale the later stage co-curing shaping introduction defects that glue felt etc. leads to because of vacuum pressure inclusion in the middle of the layering gap, guarantee that product part size is reliable; secondly, edge dislocation caused by deformation when the fiber fabric 8 is laid is avoided, a resin backflow flow channel is formed, and dry fibers wrapped by a formed product are avoided; meanwhile, the product after molding is convenient and fast to demould due to the existence of the soft flanges 7, and the phenomenon of die clamping and undercut can not occur.
In the embodiment shown in fig. 1, the flow guiding net 11 is laid under the lower release fabric 10, and the upper press soft board 9 is arranged above the upper release fabric 10. This embodiment is suitable for unidirectional back-yarn-free fiber forming, such as carbon fiber fabric 8, aramid fabric, and the like. The effect of the upper soft pressing plate 9 on the flatness of the surface of the manufactured composite material product is particularly obvious. In the embodiment shown in fig. 2, the flow guide nets 11 are arranged on the upper surface and the lower surface, and the air exhaust side is also formed by soft and hard flanges, so that the compaction and compaction in the width direction of the fiber fabric 8 laying layer are fully ensured, and meanwhile, a resin backflow flow channel formed by a gap between the cross section of the laying layer and the flanges on the air exhaust side is avoided, and the dry fiber defect of a formed product is caused.
As for the material, the soft rib 7 and the upper soft pressing plate 9 may be made of the same material, such as silicone rubber, butyl rubber, ethylene propylene diene monomer rubber, or nitrile rubber. The first hard rib 12 and the second hard rib 6 may be made of the same material as the mold body 3, and the first hard rib 12, the second hard rib 6 and the mold body 3 may be formed integrally.
In the process of injecting resin, the resin flows from the glue injection side to the air exhaust side, the demolding cloth 10 plays a role of an air guide layer, the resin flow speed of the side provided with the flow guide net 11 is high, the resin flow speed of the side without the flow guide net 11 or the side with the short flow guide net 11 is low, and under the condition that the resin is not filled, if the resin reaches the air exhaust side of the demolding cloth 10 first, an air exhaust opening is blocked, so that the air inclusion defect is generated. In order to avoid this problem, if the flow guide net 11 is laid only below the release cloth 10 below the laid layer, it is preferable that the release cloths 10 above and below the laid layer extend above the soft rib 7; if the flow guide net 11 is laid only above the upper release fabric 10, it is preferable that the upper and lower release fabrics 10 extend below the soft flanges 7. If the outer sides of the upper and lower demolding cloth 10 are provided with the flow guide net 11 and one of the flow guide net 11 is shorter, it is preferable that the upper and lower demolding cloth 10 extends to the corresponding side of the short flow guide net 11 of the soft flange 7. Therefore, the resin can be ensured to be filled with fiber laying layers, and the air inclusion defect is avoided.
For the arrangement of the soft flanges 7, the height of the second hard flange 6 is lower than that of the soft flange 7, and taking a forming die of a main beam cap of the wind power blade as an example, the height of the second hard flange 6 is usually 5-15 mm.
Claims (10)
1. Fibre is spread layer combined material forming die, including mould main part (3) and vacuum bag membrane, mould main part (3) and vacuum bag membrane sealing fit form and are spread the layer space, lay fibre fabric (8) in the layer space, the outside that the upper and lower two sides of fibre fabric (8) were provided with drawing of patterns cloth (10) respectively and at least one drawing of patterns cloth (10) is provided with water conservancy diversion net (11), the both sides of spreading the layer space are injecting glue side and side of taking out air respectively, its characterized in that: the injecting glue side is provided with first hard flange (12), the side of bleeding is provided with the hard flange of second (6), the inboard of the hard flange of second (6) is provided with soft flange (7), first hard flange (12) and the hard flange of second (6) respectively with mould main part (3) fixed coordination, soft flange (7) and mould main part (3) clearance fit, the height that highly is more than or equal to fabric (8) natural laying of first hard flange (12) and soft flange (7).
2. The fiber lay-up composite material molding die of claim 1, wherein: the flow guide net (11) is laid below the lower demoulding cloth (10), and the upper pressing soft board (9) is arranged above the upper demoulding cloth (10).
3. The fiber lay-up composite material molding die of claim 2, wherein: the soft flange (7) and the upper pressing soft plate (9) are made of silicon rubber, butyl rubber, ethylene propylene diene monomer or nitrile rubber.
4. The fiber lay-up composite material molding die of claim 1, wherein: the first hard flange (12), the second hard flange (6) and the mould main body (3) are of an integrated structure.
5. The fiber lay-up composite material molding die of claim 1, wherein: the flow guide net (11) is laid below the lower demoulding cloth (10), and the upper demoulding cloth (10) and the lower demoulding cloth (10) extend above the soft flanges (7).
6. The fiber lay-up composite material molding die of claim 1, wherein: the flow guide net (11) is laid below the upper demoulding cloth (10), and the upper demoulding cloth (10) and the lower demoulding cloth (10) extend below the soft flanges (7).
7. The fiber lay-up composite material molding die of claim 1, wherein: the outer sides of the upper and lower demoulding cloths (10) are provided with flow guide nets (11), one of the flow guide nets (11) is shorter, and the upper and lower demoulding cloths (10) extend to the soft flange (7) and the surface corresponding to the short flow guide net (11).
8. The fiber lay-up composite material molding die of claim 1, wherein: the second hard rib (6) is lower than the soft rib (7).
9. The fiber lay-up composite material molding die of claim 8, wherein: the height of the second hard flange (6) is 5-15 mm.
10. Forming die of wind-powered electricity generation blade girder cap, its characterized in that: a fibre lay-up composite moulding tool as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931650.6U CN210082456U (en) | 2019-06-20 | 2019-06-20 | Fiber laying composite material forming die and wind power blade main beam cap forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931650.6U CN210082456U (en) | 2019-06-20 | 2019-06-20 | Fiber laying composite material forming die and wind power blade main beam cap forming die |
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| CN210082456U true CN210082456U (en) | 2020-02-18 |
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| CN201920931650.6U Active CN210082456U (en) | 2019-06-20 | 2019-06-20 | Fiber laying composite material forming die and wind power blade main beam cap forming die |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571827A (en) * | 2020-11-25 | 2021-03-30 | 中国航空制造技术研究院 | Forming method for reducing porosity of non-autoclave forming composite material |
| CN114030110A (en) * | 2021-09-23 | 2022-02-11 | 甘肃旭晶新材料有限公司 | Method for eliminating corner stress concentration of megawatt wind power generation blade and blade |
| CN114043747A (en) * | 2021-11-17 | 2022-02-15 | 厦门双瑞风电科技有限公司 | Grinding-free method for wind power blade girder |
| CN114211781A (en) * | 2021-11-29 | 2022-03-22 | 成都中玻复合材料有限公司 | Carbon fiber helicopter engine blade forming device and forming method |
-
2019
- 2019-06-20 CN CN201920931650.6U patent/CN210082456U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571827A (en) * | 2020-11-25 | 2021-03-30 | 中国航空制造技术研究院 | Forming method for reducing porosity of non-autoclave forming composite material |
| CN114030110A (en) * | 2021-09-23 | 2022-02-11 | 甘肃旭晶新材料有限公司 | Method for eliminating corner stress concentration of megawatt wind power generation blade and blade |
| CN114030110B (en) * | 2021-09-23 | 2024-06-11 | 甘肃旭晶新材料有限公司 | Megawatt wind power generation blade corner stress concentration eliminating method and blade |
| CN114043747A (en) * | 2021-11-17 | 2022-02-15 | 厦门双瑞风电科技有限公司 | Grinding-free method for wind power blade girder |
| CN114043747B (en) * | 2021-11-17 | 2024-06-21 | 厦门双瑞风电科技有限公司 | Polishing-free method for wind power blade girder |
| CN114211781A (en) * | 2021-11-29 | 2022-03-22 | 成都中玻复合材料有限公司 | Carbon fiber helicopter engine blade forming device and forming method |
| CN114211781B (en) * | 2021-11-29 | 2022-08-12 | 成都中玻复合材料有限公司 | Carbon fiber helicopter engine blade forming device and forming method |
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