CN113400688A - Pultrusion method of carbon fiber and glass fiber composite board - Google Patents
Pultrusion method of carbon fiber and glass fiber composite board Download PDFInfo
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- CN113400688A CN113400688A CN202110711507.8A CN202110711507A CN113400688A CN 113400688 A CN113400688 A CN 113400688A CN 202110711507 A CN202110711507 A CN 202110711507A CN 113400688 A CN113400688 A CN 113400688A
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- Prior art keywords
- carbon fiber
- pultrusion
- glass fiber
- carbon
- yarn
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 57
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 57
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000003365 glass fiber Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 239000003292 glue Substances 0.000 claims abstract description 24
- 238000007598 dipping method Methods 0.000 claims abstract description 17
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/521—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement before the die
-
- 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
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a pultrusion method of a carbon fiber and glass fiber composite board, which comprises the following steps: 1) withdrawing the yarn by the creel; 2) threading and combing yarns; 3) dipping the carbon fiber glue in a glue tank; 4) pre-curing the carbon fiber mold: precuring the carbon fiber yarn after gum dipping through a first pultrusion mould to form a precured carbon plate; 5) dipping the glass fiber glue in a glue tank; 6) final curing of the product: after the glass fiber yarns are impregnated with glue, the glass fiber yarns are uniformly distributed around the pre-cured carbon plate according to the specific number of the glass fibers, enter a second pultrusion die and are cured to obtain the carbon-glass mixed pultrusion plate. The invention can prepare the pultruded plate with the carbon fiber as the sandwich layer and the glass fiber as the outer layer and used for preparing the blades of the wind driven generator, solves the problems of excessive performance, high price, insufficient performance and heavy quality of the existing carbon fiber, and can ensure that the carbon fiber layer in the plate is arranged in order and the mechanical property of the combination of the two fibers is exerted to the maximum.
Description
Technical Field
The invention relates to the manufacture of a wind power blade main beam, in particular to a pultrusion method of a carbon fiber and glass fiber composite plate.
Background
The wind power blade main beam is a main bearing component of the wind power blade and controls the overall rigidity and the ultimate strength of the wind power blade in the wingspan direction. With the development of wind power to low wind speed and at sea, the size of the blade is larger and larger, the self weight and the bearing requirements of the blade are also larger and larger, and great challenges are brought to the design of a wind power complete machine and the blade. The pultruded plate is used for manufacturing the wind power blade, and the carbon fiber pultruded plate is firstly adopted, has the performance advantages of high specific strength and high specific modulus, can meet the strength and rigidity requirements of large wind power blade structural members, and obviously reduces weight. Although carbon fiber has obvious performance advantages, the disadvantage of high cost is obvious, and the weight is increased if the pultruded girder plate for the wind power blade is produced by using glass fiber.
However, at present, no mature technology related to the production of the pultruded girder plate for the wind turbine blade by compounding carbon fibers and glass fibers exists, and in the technologies studied at present, the glass fibers and the carbon fibers cannot be regularly arranged, and the performance of the fibers cannot be well exerted.
Disclosure of Invention
The invention aims to solve the technical problems and provides a pultrusion method of a carbon fiber and glass fiber composite board.
The technical scheme for realizing the invention is as follows: a pultrusion method of a carbon fiber and glass fiber composite board is characterized by comprising the following steps:
1) withdrawing yarn from the creel: placing the carbon fiber yarn frames at the center position in the pultrusion direction to be aligned with the carbon fiber glue grooves, and placing the glass fiber yarn frames at two sides in a splayed shape;
2) threading and combing: stretching the carbon fiber yarns by using a yarn stretching device, and combing the yarns by using a yarn guide plate;
3) carbon fiber glue tank gumming: dividing the carbon fiber yarn into two to four layers, pressing the carbon fiber yarn down to the bottom of a carbon fiber glue tank, and fully dipping the carbon fiber yarn;
4) pre-curing the carbon fiber mold: precuring the carbon fiber yarn after gum dipping through a first pultrusion mould to form a precured carbon plate; the curing temperature zone adopts a two-stage curing temperature zone, and the temperatures are respectively 140-170 ℃ and 160-190 ℃;
5) dipping the glass fiber glue in a glue tank: dividing the glass fiber yarn into two to four layers, pressing the glass fiber yarn down to the bottom of a glass fiber glue tank, and fully dipping the glass fiber yarn;
6) final curing of the product: after the glass fiber yarns are subjected to gum dipping, uniformly distributing the glass fiber yarns around the pre-cured carbon plate according to the specific number of the glass fibers, allowing the glass fiber yarns to enter a second pultrusion mold, and curing to obtain a carbon-glass mixed pultrusion plate; the curing temperature zone adopts a three-level curing temperature zone, and the temperatures are respectively 140-170 ℃, 170-190 ℃ and 170-190 ℃; the pultrusion speed is 200 and 500 mm/min.
The length of the first pultrusion die is fixed between 400 mm and 700 mm.
The size of the inner cavity of the first pultrusion die is 1-6mm in height and 20-300mm in width, and the final size of the carbon fiber in the product is fixed according to the size.
The length of the second pultrusion die is between 800 mm and 1300 mm.
The invention has the beneficial effects that:
1. the invention can ensure that the carbon fibers are orderly arranged in the plate and greatly exert the mechanical property after compounding.
2. The invention can produce the carbon fiber and glass fiber composite board with the height of 3-8mm and the width of 70-300mm for wind power girder pultrusion plate with the following specification range.
Drawings
FIG. 1 is a schematic view of a processing technique of a carbon-glass mixed pultruded panel according to an embodiment of the present invention.
Reference numbers in the figures: 1-carbon fiber yarn, 2-first pultrusion mould, 3-glass fiber yarn, 4-second pultrusion mould and 5-carbon glass mixed pultrusion plate.
Detailed Description
As shown in fig. 1, a pultrusion method of a carbon fiber and glass fiber composite board comprises the following steps:
1) withdrawing yarn from the creel: placing the carbon fiber yarn frames at the center position in the pultrusion direction to be aligned with the carbon fiber glue grooves, and placing the glass fiber yarn frames at two sides in a splayed shape;
2) threading and combing: using a yarn unfolding device to unfold the carbon fiber yarn 1, and then combing the yarn through a yarn guide plate;
3) carbon fiber glue tank gumming: dividing the carbon fiber yarn 1 into two to four layers, pressing the carbon fiber yarn down to the bottom of a carbon fiber glue tank, and fully dipping the carbon fiber yarn;
4) pre-curing the carbon fiber mold: precuring the carbon fiber yarn 1 after gum dipping through a first pultrusion die 2 to form a precured carbon plate; the curing temperature zone adopts a two-stage curing temperature zone, and the temperatures are respectively 140-170 ℃ and 160-190 ℃; the length of the first pultrusion die 2 is fixed between 400 mm and 700mm, the size of an inner cavity of the first pultrusion die is 1-6mm in height and 20-300mm in width, and the final size of the carbon fiber in the product is fixed according to the size.
5) Dipping the glass fiber glue in a glue tank: dividing the glass fiber yarn 3 into two to four layers, pressing the two layers to the bottom of a glass fiber glue tank, and fully dipping the glass fiber glue tank;
6) final curing of the product: after the glass fiber yarns 3 are impregnated, uniformly distributing the glass fiber yarns 3 around the pre-cured carbon plate according to the specific number of the glass fibers, and allowing the glass fiber yarns to enter a second pultrusion mold 4 for curing to obtain a carbon-glass mixed pultrusion plate 5; the curing temperature zone adopts a three-level curing temperature zone, and the temperatures are respectively 140-170 ℃, 170-190 ℃ and 170-190 ℃; the pultrusion speed is 200-500 mm/min; the length of the second pultrusion die 4 is between 800 mm and 1300 mm.
The present invention has been disclosed in detail above by the description of specific embodiments. It should be understood, however, that the above-described embodiments are illustrative and not restrictive. Various modifications, improvements and equivalents of the invention may be devised by those skilled in the art within the spirit and scope of the appended claims. Such modifications, improvements and equivalents are also intended to be included within the scope of the present invention.
Claims (4)
1. A pultrusion method of a carbon fiber and glass fiber composite board is characterized by comprising the following steps:
1) withdrawing yarn from the creel: placing the carbon fiber yarn frames at the center position in the pultrusion direction to be aligned with the carbon fiber glue grooves, and placing the glass fiber yarn frames at two sides in a splayed shape;
2) threading and combing: stretching the carbon fiber yarns by using a yarn stretching device, and combing the yarns by using a yarn guide plate;
3) carbon fiber glue tank gumming: dividing the carbon fiber yarn into two to four layers, pressing the carbon fiber yarn down to the bottom of a carbon fiber glue tank, and fully dipping the carbon fiber yarn;
4) pre-curing the carbon fiber mold: precuring the carbon fiber yarn after gum dipping through a first pultrusion mould to form a precured carbon plate; the curing temperature zone adopts a two-stage curing temperature zone, and the temperatures are respectively 140-170 ℃ and 160-190 ℃;
5) dipping the glass fiber glue in a glue tank: dividing the glass fiber yarn into two to four layers, pressing the glass fiber yarn down to the bottom of a glass fiber glue tank, and fully dipping the glass fiber yarn;
6) final curing of the product: after the glass fiber yarns are subjected to gum dipping, uniformly distributing the glass fiber yarns around the pre-cured carbon plate according to the specific number of the glass fibers, allowing the glass fiber yarns to enter a second pultrusion mold, and curing to obtain a carbon-glass mixed pultrusion plate; the curing temperature zone adopts a three-level curing temperature zone, and the temperatures are respectively 140-170 ℃, 170-190 ℃ and 170-190 ℃; the pultrusion speed is 200 and 500 mm/min.
2. The pultrusion method for the carbon fiber and glass fiber composite board as claimed in claim 1, wherein the pultrusion method comprises the following steps: the length of the first pultrusion die is fixed between 400 mm and 700 mm.
3. The pultrusion method for the carbon fiber and glass fiber composite board as claimed in claim 1, wherein the pultrusion method comprises the following steps: the size of the inner cavity of the first pultrusion die is 1-6mm in height and 20-300mm in width, and the final size of the carbon fiber in the product is fixed according to the size.
4. The pultrusion method for the carbon fiber and glass fiber composite board as claimed in claim 1, wherein the pultrusion method comprises the following steps: the length of the second pultrusion die is between 800 mm and 1300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110711507.8A CN113400688A (en) | 2021-06-25 | 2021-06-25 | Pultrusion method of carbon fiber and glass fiber composite board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110711507.8A CN113400688A (en) | 2021-06-25 | 2021-06-25 | Pultrusion method of carbon fiber and glass fiber composite board |
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| CN113400688A true CN113400688A (en) | 2021-09-17 |
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| CN202110711507.8A Pending CN113400688A (en) | 2021-06-25 | 2021-06-25 | Pultrusion method of carbon fiber and glass fiber composite board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347503A (en) * | 2022-01-05 | 2022-04-15 | 泰山玻璃纤维有限公司 | Carbon-glass mixed pulling plate for wind power blade main beam |
| CN114368172A (en) * | 2021-12-24 | 2022-04-19 | 四川东树新材料有限公司 | Squeezing and drawing method of polyurethane carbon glass hybrid drawing plate for wind power blade |
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| CN102176345A (en) * | 2010-12-16 | 2011-09-07 | 北京化工大学 | Hybrid fiber pultruded composite material, and preparation method and molding device thereof |
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| CN106903910A (en) * | 2015-12-23 | 2017-06-30 | 科思创聚合物（中国）有限公司 | The coating process of polyurethane molded through pultrusion of composite material |
| US20180222132A1 (en) * | 2017-02-03 | 2018-08-09 | Oleksandr Biland | Composite Fibers and Method of Producing Fibers |
| CN109852007A (en) * | 2019-02-27 | 2019-06-07 | 武汉本邦复合材料科技有限公司 | A kind of CF/GF hybrid buildup epoxy resin drawing and extruding section bar and production method |
| CN111959058A (en) * | 2020-07-15 | 2020-11-20 | 江苏澳盛复合材料科技有限公司 | Carbon glass fiber composite pultruded panel and production process and production equipment thereof |
| CN112659594A (en) * | 2021-01-12 | 2021-04-16 | 常州达姆斯检测技术有限公司 | Production process and production equipment for glass carbon fiber pultruded panel |
| CN213441248U (en) * | 2020-09-03 | 2021-06-15 | 沈林峰 | High-performance thermoplastic carbon fiber prepreg tape device |
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2021
- 2021-06-25 CN CN202110711507.8A patent/CN113400688A/en active Pending
Patent Citations (9)
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| CN102176345A (en) * | 2010-12-16 | 2011-09-07 | 北京化工大学 | Hybrid fiber pultruded composite material, and preparation method and molding device thereof |
| CN204869702U (en) * | 2015-05-26 | 2015-12-16 | 余姚中国塑料城塑料研究院有限公司 | A impregnating apparatus for producing one -way preimpregnation area of high temperature resistant thermoplasticity combined material |
| CN106903910A (en) * | 2015-12-23 | 2017-06-30 | 科思创聚合物（中国）有限公司 | The coating process of polyurethane molded through pultrusion of composite material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114368172A (en) * | 2021-12-24 | 2022-04-19 | 四川东树新材料有限公司 | Squeezing and drawing method of polyurethane carbon glass hybrid drawing plate for wind power blade |
| CN114347503A (en) * | 2022-01-05 | 2022-04-15 | 泰山玻璃纤维有限公司 | Carbon-glass mixed pulling plate for wind power blade main beam |
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Application publication date: 20210917 |