CN110587868B - Method for manufacturing vertical edge of main beam mold - Google Patents
Method for manufacturing vertical edge of main beam mold Download PDFInfo
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- CN110587868B CN110587868B CN201910991272.5A CN201910991272A CN110587868B CN 110587868 B CN110587868 B CN 110587868B CN 201910991272 A CN201910991272 A CN 201910991272A CN 110587868 B CN110587868 B CN 110587868B
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- main beam
- mold
- vertical edge
- glass fiber
- fiber reinforced
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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
- B29C33/38—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
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a method for manufacturing a vertical edge of a main beam mold, which is characterized in that a prefabricated glass fiber reinforced plastic drawing strip with the height meeting is processed in advance according to the height data of the vertical edge of the main beam mold which is designed and developed; placing a main beam mold manufacturing vertical edge sample plate tool in a curved surface cavity of a main beam mold, and aligning a main beam mold manufacturing vertical edge sample plate datum point with a datum line of a main beam mold vertical edge by using a central line on a male mold; sticking the processed prefabricated glass fiber reinforced plastic drawing strip into a curved surface cavity of a main beam mold by using a structural adhesive, and enabling one side of the prefabricated glass fiber reinforced plastic drawing strip to be close to a vertical edge template tool for manufacturing the main beam mold; coating a structural adhesive on the other side of the prefabricated glass fiber reinforced plastic drawing strip to fix the glass fiber reinforced plastic drawing strip and perform gradient transition conformal; after the adhesive in the belt structure is cured, the main beam mold is detached to manufacture a vertical edge sample plate tool. According to the invention, the prefabricated glass fiber reinforced plastic part is used for replacing manual cloth pasting, so that the manufacturing cost is reduced, and meanwhile, the precision of the vertical side of the main beam is ensured by using the tool and theoretical data calculation.
Description
Technical Field
The invention relates to the technical field of wind power blade mold manufacturing, in particular to a method for manufacturing a vertical edge of a main beam mold.
Background
The manufacture of the curved surface cavity of the main beam mold needs to be realized by a male mold, and the manufacture method aiming at the vertical edge of the main beam mold can be summarized into the following two types in the industry: firstly, as shown in fig. 1, a set of male die is shared with a main die, after a main beam die cavity is manufactured on the male die and the male die is lifted, a main beam die vertical edge is manually manufactured in the main beam die cavity, an oxepin 12 is arranged in a main beam die curved surface cavity 11, the oxepin 12 is attached to the main beam die curved surface cavity 11, PVC foams 13 are arranged on two sides of the oxepin 12, and glass fiber reinforced plastic hand-pasted cloth 14 is arranged around the PVC foams 13, so that the main beam die vertical edge manufactured by the method has low precision and needs to be adjusted repeatedly according to the subsequent main beam product state, but the overall manufacturing cost of the main beam die is relatively low; secondly, as shown in fig. 2, the male die is manufactured independently, the vertical edge is processed by numerical control processing during the manufacturing of the male die, and the main beam die vertical edge is manufactured on the basis of the male die. In view of the above, it is necessary to design a method for manufacturing the vertical edge of the main beam mold.
Disclosure of Invention
The invention aims to provide a method for manufacturing a vertical edge of a main beam mold, which uses a prefabricated glass fiber reinforced plastic part to replace manual cloth pasting, reduces the manufacturing cost, and simultaneously uses a tool and theoretical data calculation to ensure the precision of the vertical edge of the main beam.
In order to achieve the purpose, the invention provides a method for manufacturing a vertical edge of a main beam mold, which comprises the following steps:
(1) according to the height control parameters of the vertical sides of the main beam mold converted according to the thickness of the main beam product and the chord-wise distance control parameters of the vertical sides of the main beam mold converted according to the width of the main beam product, a main beam mold vertical side manufacturing sample plate tool is developed and designed to control the distance between the vertical sides of the main beam mold and the position relation between the vertical sides of the main beam mold and the blade cavity;
(2) pre-processing the prefabricated glass fiber reinforced plastic drawing strips with the height according with the height data of the vertical side of the main beam mold which is designed and developed;
(3) placing a main beam mold manufacturing vertical edge sample plate tool in a curved surface cavity of a main beam mold, and aligning a main beam mold manufacturing vertical edge sample plate datum point with a datum line of a main beam mold vertical edge by using a central line on a male mold;
(4) sticking the processed prefabricated glass fiber reinforced plastic drawing strip into a curved surface cavity of a main beam mold by using a structural adhesive, and enabling one side of the prefabricated glass fiber reinforced plastic drawing strip to be close to a vertical edge template tool for manufacturing the main beam mold;
(5) coating a structural adhesive on the other side of the prefabricated glass fiber reinforced plastic drawing strip to fix the glass fiber reinforced plastic drawing strip and perform gradient transition conformal;
(6) after the adhesive with the structure is cured, removing the main beam mold to manufacture a vertical edge template tool;
(7) and performing data retesting according to the height and the distance of the vertical sides of the main beam mold calculated by conversion.
Preferably, the detection density in the data repeating time measurement in the step (7) is one group of data per meter, the height control tolerance is +2mm, and the spacing control tolerance is +/-2 mm.
Preferably, the main beam mold vertical edge manufactured by the main beam mold vertical edge manufacturing method comprises a main beam mold curved surface cavity, a main beam mold manufacturing vertical edge sample plate tool arranged at the center of the main beam mold curved surface cavity and prefabricated glass fiber reinforced plastic drawing strips arranged on two sides of the main beam mold manufacturing vertical edge sample plate tool, wherein the prefabricated glass drawing strips are fixedly connected with the main beam mold curved surface cavity through structural adhesives.
Preferably, there is the space between the bottom that the strip was drawn to prefabricated glass steel and the girder mould curved surface die cavity, it has to fill in the space structure gluing agent, structure gluing agent in the space with the prefabricated glass steel is drawn the structure gluing agent between the strip and is linked together, the structure gluing agent upper surface of prefabricated glass steel is drawn the strip side with the upper surface that the strip was drawn to prefabricated glass steel flushes mutually.
Therefore, according to the method for manufacturing the vertical side of the main beam mold, the prefabricated glass fiber reinforced plastic part is used for replacing manual cloth pasting, the manufacturing cost is reduced, and meanwhile, the precision of the vertical side of the main beam is guaranteed by using the tool and theoretical data calculation.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic diagram of a first type of structure in the background art;
FIG. 2 is a schematic diagram of a second type of structure in the prior art
Fig. 3 is a schematic structural view of an embodiment of a method for manufacturing a vertical edge of a main beam mold according to the present invention.
Detailed Description
Examples
Fig. 3 is a schematic structural view of an embodiment of a method for manufacturing a vertical edge of a main beam mold according to the present invention, and as shown in the drawing, the present invention provides a method for manufacturing a vertical edge of a main beam mold, including the following steps:
(1) according to the height control parameters of the vertical sides of the main beam mold converted according to the thickness of the main beam product and the chord-wise distance control parameters of the vertical sides of the main beam mold converted according to the width of the main beam product, a main beam mold vertical side manufacturing sample plate tool is developed and designed to control the distance between the vertical sides of the main beam mold and the position relation between the vertical sides of the main beam mold and the blade cavity;
(2) pre-processing the prefabricated glass fiber reinforced plastic drawing strips with the height according with the height data of the vertical side of the main beam mold which is designed and developed;
(3) placing a main beam mold manufacturing vertical edge sample plate tool in a curved surface cavity of a main beam mold, and aligning a main beam mold manufacturing vertical edge sample plate datum point with a datum line of a main beam mold vertical edge by using a central line on a male mold;
(4) sticking the processed prefabricated glass fiber reinforced plastic drawing strip into a curved surface cavity of a main beam mold by using a structural adhesive, and enabling one side of the prefabricated glass fiber reinforced plastic drawing strip to be close to a vertical edge template tool for manufacturing the main beam mold;
(5) coating a structural adhesive on the other side of the prefabricated glass fiber reinforced plastic drawing strip to fix the glass fiber reinforced plastic drawing strip and perform gradient transition conformal;
(6) after the adhesive with the structure is cured, removing the main beam mold to manufacture a vertical edge template tool;
(7) and (4) carrying out data retest according to the height and the distance of the vertical sides of the main beam mold calculated by conversion, wherein the detection density is one group of data per meter, the height control tolerance is +2mm, and the distance control tolerance is +/-2 mm.
The girder mold vertical edge manufactured by the girder mold vertical edge manufacturing method comprises a girder mold curved surface cavity 21, a girder mold manufacturing vertical edge sample plate tool 22 arranged at the center of the girder mold curved surface cavity 21 and prefabricated glass fiber reinforced plastic drawing strips 23 arranged at two sides of the girder mold manufacturing vertical edge sample plate tool 22, wherein the prefabricated glass drawing strips 23 are fixedly connected with the girder mold curved surface cavity 21 through structural adhesives 24. There is the space 25 between the bottom of prefabricated glass steel drawing strip 23 and the girder mould curved surface die cavity 21, and it has structure gluing agent 24 to fill in the space 25, and structure gluing agent 24 and the prefabricated glass steel drawing strip 23 between the structure gluing agent 24 in the space 25 link together, and the structure gluing agent 24 upper surface and the prefabricated glass steel drawing strip 23 upper surface of prefabricated glass steel drawing strip 23 side flush mutually. The manufacturing cost of the main beam die is reduced while the accuracy of the vertical edge of the main beam die is improved.
Therefore, according to the method for manufacturing the vertical side of the main beam mold, the prefabricated glass fiber reinforced plastic part is used for replacing manual cloth pasting, the manufacturing cost is reduced, and meanwhile, the precision of the vertical side of the main beam is guaranteed by using the tool and theoretical data calculation.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (1)
1. A method for manufacturing a vertical edge of a main beam mold is characterized by comprising the following steps:
(1) according to the height control parameters of the vertical sides of the main beam mold converted according to the thickness of the main beam product and the chord-wise distance control parameters of the vertical sides of the main beam mold converted according to the width of the main beam product, a main beam mold vertical side manufacturing sample plate tool is developed and designed to control the distance between the vertical sides of the main beam mold and the position relation between the vertical sides of the main beam mold and the blade cavity;
(2) pre-processing the prefabricated glass fiber reinforced plastic drawing strips with the height according with the height data of the vertical side of the main beam mold which is designed and developed;
(3) placing a main beam mold manufacturing vertical edge sample plate tool in a curved surface cavity of a main beam mold, and aligning a main beam mold manufacturing vertical edge sample plate datum point with a datum line of a main beam mold vertical edge by using a central line on a male mold;
(4) sticking the processed prefabricated glass fiber reinforced plastic drawing strip into a curved surface cavity of a main beam mold by using a structural adhesive, and enabling one side of the prefabricated glass fiber reinforced plastic drawing strip to be close to a vertical edge template tool for manufacturing the main beam mold;
(5) coating a structural adhesive on the other side of the prefabricated glass fiber reinforced plastic drawing strip to fix the glass fiber reinforced plastic drawing strip and perform gradient transition conformal;
(6) after the structural adhesive is cured, removing the main beam mold to manufacture a vertical edge template tool;
(7) according to the height and the distance of the vertical sides of the main beam mold, which are converted and calculated, data retest is carried out, the detection density in the data retest is a group of data per meter, the height control tolerance is +2mm, and the distance control tolerance is +/-2 mm;
(8) after the vertical edge is manufactured, filling an adhesive mixed with an aluminum powder material at two sides of the vertical edge, and performing side slope transition and vertical edge heating transmission;
(9) after the inner side of the vertical edge of the mold is cleaned, attaching a high-temperature-resistant Teflon tape to protect the vertical edge and avoid unevenness caused by resin adhesion on the inner side when the mold is used;
the girder mold vertical edge manufactured by the girder mold vertical edge manufacturing method comprises a girder mold curved surface cavity, a girder mold manufacturing vertical edge sample plate tool and prefabricated glass fiber reinforced plastic drawing strips, wherein the girder mold manufacturing vertical edge sample plate tool is arranged at the center of the girder mold curved surface cavity, the prefabricated glass fiber reinforced plastic drawing strips are arranged on two sides of the girder mold manufacturing vertical edge sample plate tool, the prefabricated glass fiber reinforced plastic drawing strips are fixedly connected with the girder mold curved surface cavity through structural adhesive, gaps exist between the bottom ends of the prefabricated glass fiber reinforced plastic drawing strips and the girder mold curved surface cavity, the structural adhesive is filled in the gaps, the structural adhesive in the gaps is connected with the structural adhesive between the prefabricated glass fiber reinforced plastic drawing strips, and the upper surface of the structural adhesive on the side surface of each prefabricated glass fiber reinforced plastic drawing strip is flush with the upper surface of each prefabricated glass fiber reinforced plastic drawing strip.
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| CN201910991272.5A CN110587868B (en) | 2019-10-18 | 2019-10-18 | Method for manufacturing vertical edge of main beam mold |
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| CN201910991272.5A CN110587868B (en) | 2019-10-18 | 2019-10-18 | Method for manufacturing vertical edge of main beam mold |
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| CN110587868B true CN110587868B (en) | 2021-08-10 |
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| CN111231365B (en) * | 2019-12-26 | 2021-12-03 | 中航复合材料有限责任公司 | Molding tool for composite material fan blade laying unit body |
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| EP2255957B1 (en) * | 2009-05-25 | 2013-07-10 | LM WP Patent Holding A/S | A method of manufacturing a composite structure with a prefabricated reinforcement element |
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