CN116001319A - Preparation method and device of demolding-free wind power blade pultrusion plate - Google Patents
Preparation method and device of demolding-free wind power blade pultrusion plate Download PDFInfo
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- CN116001319A CN116001319A CN202310125265.3A CN202310125265A CN116001319A CN 116001319 A CN116001319 A CN 116001319A CN 202310125265 A CN202310125265 A CN 202310125265A CN 116001319 A CN116001319 A CN 116001319A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- 238000001723 curing Methods 0.000 claims abstract description 29
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 21
- 238000007598 dipping method Methods 0.000 claims abstract description 21
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 239000003822 epoxy resin Substances 0.000 claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 15
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 15
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 8
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 5
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical group CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 claims description 4
- MWSKJDNQKGCKPA-UHFFFAOYSA-N 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1CC(C)=CC2C(=O)OC(=O)C12 MWSKJDNQKGCKPA-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical group CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- VYKXQOYUCMREIS-UHFFFAOYSA-N methylhexahydrophthalic anhydride Chemical compound C1CCCC2C(=O)OC(=O)C21C VYKXQOYUCMREIS-UHFFFAOYSA-N 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims 7
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims 2
- 239000004744 fabric Substances 0.000 abstract description 33
- 230000000052 comparative effect Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
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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
- 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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- Moulding By Coating Moulds (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a preparation method and a device of a demoulding-free wind power blade pultrusion plate; the preparation method comprises the following preparation steps: mixing and uniformly stirring epoxy resin, a curing agent, an accelerator and a processing aid with a nonpolar group to obtain a dipping solution; soaking glass fiber in a dipping tank filled with dipping liquid, preforming, and heating and curing in a curing and forming die to obtain a pretreated plate; spraying a silane coupling agent on the surface of the pretreated plate, and drying, cooling, cutting and rolling to obtain the demolding-free wind power blade pultrusion plate; the preparation method and the device of the release cloth-free wind power blade pultrusion plate are designed to solve the unstable factors such as offset, folding, embedding and the like in the production process of release cloth in the prior art, and avoid the technical problems of failure of a plate interface, high cost and long time consumption caused by poor adhesion of the release cloth.
Description
Technical Field
The invention relates to the technical field of wind power blades, in particular to a method and a device for preparing a drawing plate of a wind power blade without demolding cloth.
Background
The wind power blade girder is prepared by adopting the plate formed by the pultrusion process, so that the tensile strength and the elastic modulus of the material can be effectively improved, the firmness of the wind power blade is greatly improved, the blade is not easy to deform, and the quality problems of wrinkles, interlayer bubbles and the like easily occurring in the process of laying unidirectional cloth by the traditional vacuum introduction process can be solved, so that the wind power blade girder is widely used by wind power blade manufacturers at present.
At present wind-powered electricity generation is pultrusion board for blade, upper and lower surface all covers release cloth, and release cloth can play the protection panel surface and receive the pollution on the one hand, on the other hand can realize tearing the effect of back increase panel surface roughness. In the production process, the stripping cloth has trend deviation, so that the edge distance of the plate is ultra-wide; in addition, the release cloth is mixed into the plate, so that the fiber is carried up in the tearing process, and the fiber is damaged; when the air humidity is high, the release cloth can absorb water to be separated from the surface of the plate, so that the quality of the surface of the plate is affected.
Patent CN 114438797A discloses a preparation method of composite material pultruded profile release cloth, which solves the problems, but the prepared release cloth is only used for forming a rough surface after being torn off, can not be recycled and occupies a certain cost of a plate; patent CN 217803302U discloses a device that can form the rough surface on combined material pultrusion panel, and patent CN 111572006B discloses a caterpillar simulation drawing of patterns cloth pattern device of pultrusion panel, all forms the line on the extrusion panel surface, although satisfied the surface roughness requirement, belongs to the fashioned later process of pultrusion panel mould, carries out the decorative pattern processing to the pultrusion panel on line, needs to purchase professional equipment, and the fund input is great, and the extrusion decorative pattern depth can lead to inconsistent because of caterpillar wear, and quality homogeneity control is more difficult, consumes manpower and materials.
Therefore, aiming at the technical problems, the invention provides a preparation method and a device for the wind power blade pultrusion plate without demolding.
Disclosure of Invention
The invention aims to provide a preparation method and a device for a release-free wind power blade pultrusion plate, which solve the technical problems of unstable factors such as offset, folding, embedding and the like in the release cloth production process of release cloth in the prior art and avoid the problems of plate interface failure, high cost and long time consumption caused by poor adhesion of the release cloth through the structural design of the preparation method and the device for the release-free wind power blade pultrusion plate.
The invention provides a preparation method of a demoulding-free wind power blade pultrusion plate, which comprises the following preparation steps:
s1, mixing and uniformly stirring epoxy resin, a curing agent, an accelerator and a processing aid with a nonpolar group to obtain a dipping solution;
s2, soaking the glass fiber in a dipping tank filled with dipping liquid, preforming, and heating and curing in a curing and forming die to obtain a pretreated plate;
s3, spraying a silane coupling agent on the surface of the pretreated plate, and drying, cooling, cutting and rolling to obtain the demolding-free wind power blade pultrusion plate.
Preferably, in step S3, the silane coupling agent is γ -methacryloxypropyl-trimethoxysilane.
Preferably, the concentration of the silane coupling agent is 0.5-1%, and the solvent of the silane coupling agent is at least one of water or alcohol.
Preferably, in the step S3, the speed of spraying the silane coupling agent on the pretreated plate is 0.5-0.7m/min.
Preferably, in step S3, the pre-treated sheet is cooled to 20-30 ℃.
Preferably, the epoxy resin is bisphenol a type epoxy resin;
the curing agent is at least one of methyl tetrahydrophthalic anhydride or methyl hexahydrophthalic anhydride;
the accelerator is 2, 4, 6-tris (dimethylaminomethyl) phenol;
the processing aid is maleic anhydride.
Preferably, in the step S2, the glass fiber is alkali-free glass fiber, and the mass content is 80-85%.
Preferably, in step S2, the front region temperature of the curing mold is 140±10 ℃, the middle region temperature is 160±10 ℃, and the rear region temperature is 180±10 ℃ during the heat curing.
The invention also provides the demolding-free cloth wind power blade pultrusion plate obtained based on the preparation method of the demolding-free cloth wind power blade pultrusion plate, which comprises, by mass, 100 parts of epoxy resin, 80-90 parts of a curing agent, 1-2 parts of an accelerator, 1-5 parts of a processing aid and 955-1035 parts of glass fibers.
The invention also provides a preparation device for producing the demolding-free wind power blade pultrusion plate of the cloth, which comprises a gumming groove, wherein one side of the gumming groove is sequentially provided with a preformed die, a curing and forming die, an atomization spraying mechanism, an oven, a cooling mechanism, a traction mechanism provided with a traction wheel, a cutter and a winder;
wherein, the traction mechanism is provided with a traction wire and a traction wheel.
Compared with the prior art, the preparation method and the device for the demolding-free wind power blade pultrusion plate have the following steps:
1. the invention provides a preparation method of a release-free wind power blade pultrusion plate, which removes release agent components in an original formula system, introduces a processing aid with nonpolar groups, avoids quality problems such as wrinkling, offset, layering and the like of release cloth in the production process, reduces the production cost, and realizes smooth release production of the pultrusion plate under the condition of removing the release cloth and the release agent.
2. According to the preparation method of the demoulding-free wind power blade pultrusion plate, the silane coupling agent is used for atomizing and spraying the formed plate, spraying treatment is carried out, chemical bonds are formed between the formed plate and poured resin, the formation of the chemical bonds is beneficial to improving the adhesive interface performance of the pultrusion plate, and the tensile shear strength of the pultrusion plate is greatly improved.
3. According to the preparation method of the demolding-free cloth wind power blade pultrusion plate, provided by the invention, the processing aid with the nonpolar groups and the silane coupling agent are introduced, so that unstable factors such as deflection, folding, embedding and the like in the production process of the demolding cloth are effectively avoided under the condition of removing the demolding cloth and the demolding agent, the labor degree of a line-viewing person is greatly reduced, the pultrusion speed is increased from 0.5m/min to 0.7m/min, the purposes of reducing cost and enhancing efficiency are achieved, and the production speed of the demolding-free cloth pultrusion plate under a new formula system is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a drawing of patterns formula cloth wind power blade pultrusion board's preparation facilities exempts from in this invention.
Reference numerals illustrate:
1. a gum dipping tank; 2. a pre-forming mold; 3. solidifying and forming a mould; 4. an atomization spraying mechanism; 5. an oven; 6. a cooling mechanism; 7. a traction mechanism; 8. a cutter; 9. and a winder.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a preparation method of a demolding-free wind power blade pultrusion plate, which comprises the following preparation steps: s1, mixing and uniformly stirring epoxy resin, a curing agent, an accelerator and a processing aid with a nonpolar group to obtain a dipping solution; s2, soaking the glass fiber in a dipping tank filled with dipping liquid, preforming, and heating and curing in a curing and forming die to obtain a pretreated plate; s3, spraying a silane coupling agent on the surface of the pretreated plate, and drying, cooling, cutting and rolling to obtain the demolding-free wind power blade pultrusion plate.
Specifically, in step S3, the silane coupling agent is γ -methacryloxypropyl-trimethoxysilane.
Specifically, in step S3, the concentration of the silane coupling agent is 0.5-1%, and the solvent of the silane coupling agent is at least one of water or alcohol.
Specifically, in the step S3, the speed of spraying the silane coupling agent on the pretreated plate is 0.5-0.7m/min.
Specifically, in step S3, the pretreated sheet is cooled to 20-30 ℃.
Specifically, in step S1, the epoxy resin is bisphenol a type epoxy resin; the curing agent is at least one of methyl tetrahydrophthalic anhydride or methyl hexahydrophthalic anhydride; the accelerator is 2, 4, 6-tris (dimethylaminomethyl) phenol; the processing aid is maleic anhydride.
Specifically, in the step S2, the glass fiber is alkali-free glass fiber, and the mass content is 80-85%.
Specifically, in step S2, during the heating and curing, the temperature of the front region of the curing and molding mold is 140±10 ℃, the temperature of the middle region is 160±10 ℃, and the temperature of the rear region is 180±10 ℃.
The invention also provides the demolding-free cloth wind power blade pultrusion plate obtained based on the preparation method of the demolding-free cloth wind power blade pultrusion plate, which comprises, by mass, 100 parts of epoxy resin, 80-90 parts of a curing agent, 1-2 parts of an accelerator, 1-5 parts of a processing aid and 955-1035 parts of glass fibers.
As shown in fig. 1, the invention also provides a preparation device for producing the demolding-free wind power blade pultrusion plate, which comprises a gumming tank 1, wherein one side of the gumming tank 1 is sequentially provided with a preformed mold 2, a curing and forming mold 3, an atomization spraying mechanism 4, an oven 5, a cooling mechanism 6, a traction mechanism 7 provided with a traction wheel, a cutter 8 and a winder 9; wherein the traction mechanism 7 is provided with a traction wire and a traction wheel.
The invention provides a preparation method of a release-free wind power blade pultrusion plate, which removes release agent components in an original formula system, introduces a processing aid with nonpolar groups, avoids quality problems such as wrinkling, offset, layering and the like of release cloth in the production process, reduces the production cost, and realizes smooth release production of the pultrusion plate under the condition of removing the release cloth and the release agent.
According to the preparation method of the demoulding-free wind power blade pultrusion plate, the silane coupling agent is used for atomizing and spraying the formed plate, spraying treatment is carried out, chemical bonds are formed between the formed plate and poured resin, and the formation of the chemical bonds is beneficial to improving the adhesive interface performance of the pultrusion plate, so that the tensile shear strength of the pultrusion plate is greatly improved.
According to the preparation method of the demolding-free cloth wind power blade pultrusion plate, provided by the invention, the processing aid with the nonpolar groups and the silane coupling agent are introduced, so that unstable factors such as deflection, folding, embedding and the like in the production process of the demolding cloth are effectively avoided under the condition of removing the demolding cloth and the demolding agent, the labor degree of a line-viewing person is greatly reduced, the pultrusion speed is increased from 0.5m/min to 0.7m/min, the purposes of reducing cost and enhancing efficiency are achieved, and the production speed of the demolding-free cloth pultrusion plate under a new formula system is higher.
Example 1
Preparation of sample 1:
(1) Preparing a dipping solution: uniformly mixing 100 parts by mass of epoxy resin, 80 parts by mass of methyltetrahydrophthalic anhydride, 2 parts by mass of 2, 4, 6-tris (dimethylaminomethyl) phenol and 2 parts by mass of maleic anhydride to obtain a gum dipping solution;
(2) Preparing a pretreatment plate: pouring the dipping solution into a dipping tank 1, dipping 966 parts by mass of glass fibers in the dipping tank 1, sequentially entering a pre-forming die 2 and a curing forming die 3, and curing at a high temperature to obtain a pre-treated plate;
(3) And (3) preparing a pultruded panel: the pretreated plate is sprayed by an atomization spraying mechanism 4, a layer of silane coupling agent is covered on the surface of the pretreated plate, and the pretreated plate is completely dried by an oven 5 with a drying and ventilation function, and the pultrusion speed is 0.7m/min, so that the pultrusion plate with the fiber mass content of 83-85% is prepared.
The properties of sample 1 are shown in Table 1, and the Tg of the cured sheet is measured according to ISO 11357-2 and is 114.5 ℃; the tensile shear strength of the pultruded panels and after the pouring of the pultruded panels was tested according to DIN EN1465, and the tensile shear strength obtained was 36.82MPa.
Example two
Preparation of sample 2:
sample 2 was prepared in the same manner as sample 1, except that the pultrusion speed in step (3) was 0.5m/min.
The properties of sample 2 are tested, see table 1, and sample 2 is compared to sample 1: the cured sheet Tg of sample 1 was higher than the cured sheet Tg of sample 2, and the tensile shear strength of sample 2 was slightly higher than that of sample 1.
Example III
Preparation of sample 3:
sample 3 was prepared in the same manner as sample 1, with the only difference: 5 parts by mass of maleic anhydride in the step (1), 982 parts by mass of glass fiber in the step (2), and the pultrusion speed in the step (3) is 0.5m/min.
The properties of sample 3 are tested, see table 1, and sample 3 compares to sample 1: the cured sheet Tg and tensile shear strength of sample 1 were both better than the cured sheet Tg and tensile shear strength of sample 3.
Comparative example one
Preparation of comparative example 1:
comparative example 1 was identical to sample 2 in preparation, except that: maleic anhydride is replaced by 1890M internal mold release agent in step (1).
The performance of comparative example 1 is tested, see table 1, comparative example 1 compared to sample 1: the cured sheet Tg of comparative example 1 did not significantly change from the cured sheet Tg of sample 1, and the tensile shear strength of comparative example 1 was significantly lower than that of sample 1.
Comparative example two
Preparation of comparative example 2:
comparative example 2 was identical to sample 2 in preparation, except that: in the step (3), the spraying is not performed by the atomizing spraying mechanism 4.
The performance of comparative example 2 is tested, see table 1, comparative example 2 compared to sample 1: the cured sheet Tg and tensile shear strength of sample 1 were both better than those of comparative example 2.
Table 1 detection results of drawing and extruding plates of wind power blades without demolding
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. The preparation method of the demolding-free wind power blade pultrusion plate is characterized by comprising the following preparation steps:
s1, mixing and uniformly stirring epoxy resin, a curing agent, an accelerator and a processing aid with a nonpolar group to obtain a dipping solution;
s2, soaking the glass fiber in a dipping tank filled with dipping liquid, preforming, and heating and curing in a curing and forming die to obtain a pretreated plate;
s3, spraying a silane coupling agent on the surface of the pretreated plate, and drying, cooling, cutting and rolling to obtain the demolding-free wind power blade pultrusion plate.
2. The method for preparing the demolding-free wind power generation blade pultruded panel according to claim 1, wherein the method is characterized in that,
in step S3, the silane coupling agent is gamma-methacryloxypropyl-trimethoxysilane.
3. The method for preparing the demolding-free wind power generation blade pultruded panel according to claim 1, wherein the method is characterized in that,
in the step S3, the concentration of the silane coupling agent is 0.5-1%, and the solvent of the silane coupling agent is at least one of water or alcohol.
4. The method for preparing the demolding-free wind power generation blade pultruded panel according to claim 1, wherein the method is characterized in that,
in the step S3, the speed of spraying the silane coupling agent on the pretreated plate is 0.5-0.7m/min.
5. The method for manufacturing the demolding-free wind power generation blade pultrusion plate according to claim 1, wherein in the step S3, the temperature of the pretreated plate is reduced to 20-30 ℃.
6. The method for preparing the demolding-free wind power generation blade pultruded panel according to claim 1, wherein the method is characterized in that,
in the step S1, the epoxy resin is bisphenol A type epoxy resin;
the curing agent is at least one of methyl tetrahydrophthalic anhydride or methyl hexahydrophthalic anhydride;
the accelerator is 2, 4, 6-tris (dimethylaminomethyl) phenol;
the processing aid is maleic anhydride.
7. The method for manufacturing the demolding-free wind power generation blade pultrusion plate according to claim 1, wherein in the step S2, the glass fibers are alkali-free glass fibers, and the mass content is 80-85%.
8. The method for manufacturing a release-free wind power generation blade pultrusion plate according to claim 1, characterized in that in the step S2, the temperature of a front region of a curing forming die is 140+/-10 ℃, the temperature of a middle region is 160+/-10 ℃, and the temperature of a rear region is 180+/-10 ℃ during heating and curing.
9. A release-free wind power blade pultruded panel obtained based on the method for manufacturing a release-free wind power blade pultruded panel according to any of the claims 1-8, characterized in,
the epoxy resin curing agent comprises, by mass, 100 parts of epoxy resin, 80-90 parts of curing agent, 1-2 parts of accelerator, 1-5 parts of processing aid and 955-1035 parts of glass fiber.
10. A preparation device for producing the demolding-free wind power blade pultruded panel of claim 9, which is characterized in that,
the device comprises a dipping tank (1), wherein one side of the dipping tank (1) is sequentially provided with a preforming die (2), a curing forming die (3), an atomization spraying mechanism (4), an oven (5), a cooling mechanism (6), a traction mechanism (7) provided with a traction wheel, a cutter (8) and a winder (9);
wherein the traction mechanism (7) is provided with a traction wire and a traction wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310125265.3A CN116001319A (en) | 2023-02-16 | 2023-02-16 | Preparation method and device of demolding-free wind power blade pultrusion plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310125265.3A CN116001319A (en) | 2023-02-16 | 2023-02-16 | Preparation method and device of demolding-free wind power blade pultrusion plate |
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| CN202310125265.3A Pending CN116001319A (en) | 2023-02-16 | 2023-02-16 | Preparation method and device of demolding-free wind power blade pultrusion plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116554646A (en) * | 2023-05-19 | 2023-08-08 | 中复碳芯电缆科技有限公司 | Formula and production process of demolding-free carbon-cloth-glass mixed pultrusion plate and production device thereof |
| CN117484922A (en) * | 2023-11-06 | 2024-02-02 | 新创碳谷集团有限公司 | High-speed stable mass production method of demolding-free cloth pultruded panel |
-
2023
- 2023-02-16 CN CN202310125265.3A patent/CN116001319A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116554646A (en) * | 2023-05-19 | 2023-08-08 | 中复碳芯电缆科技有限公司 | Formula and production process of demolding-free carbon-cloth-glass mixed pultrusion plate and production device thereof |
| CN116554646B (en) * | 2023-05-19 | 2024-05-14 | 中复碳芯电缆科技有限公司 | Demolding-free carbon-glass mixed pultrusion plate composition, production process and production device thereof |
| CN117484922A (en) * | 2023-11-06 | 2024-02-02 | 新创碳谷集团有限公司 | High-speed stable mass production method of demolding-free cloth pultruded panel |
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