CN111959058A - Carbon glass fiber composite pultruded panel and production process and production equipment thereof - Google Patents
Carbon glass fiber composite pultruded panel and production process and production equipment thereof Download PDFInfo
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- CN111959058A CN111959058A CN202010682557.3A CN202010682557A CN111959058A CN 111959058 A CN111959058 A CN 111959058A CN 202010682557 A CN202010682557 A CN 202010682557A CN 111959058 A CN111959058 A CN 111959058A
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 42
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- 239000000463 material Substances 0.000 claims abstract description 22
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- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 239000004744 fabric Substances 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000005470 impregnation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 238000011417 postcuring Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
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- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
- B29C70/525—Component parts, details or accessories; Auxiliary operations
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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
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a carbon-glass fiber composite pultrusion plate which is formed by impregnating carbon fibers and glass fibers with a resin material and then pultrusion, wherein a carbon fiber layer is wrapped by a glass fiber layer. The invention also discloses a production process of the carbon glass fiber composite pultrusion plate, which comprises the following steps: (1) calculating the required carbon fiber and glass fiber usage; (2) carbon fibers and glass fibers sequentially pass through the yarn collecting plate and the layered yarn plate and are subjected to gum dipping treatment; (3) the carbon fiber after gum dipping enters a preforming mold; (4) the glass fiber and the carbon fiber passing through the preforming mold enter a forming mold together, and the glass fiber and the carbon fiber are formed into a plate through pultrusion; (5) and solidifying, cooling, drawing and rolling the formed plate. The composite pultrusion plate is far lower in weight than a pure glass fiber pultrusion plate, excellent in mechanical property and strong in performance designability, the strength and the modulus of the composite pultrusion plate meet the material requirements of a large fan blade girder, the cost is low, and the composite pultrusion plate is beneficial to wide popularization and application.
Description
Technical Field
The invention belongs to the technical field of composite material production, and particularly relates to a carbon-glass fiber composite pultrusion plate, a production process and production equipment thereof.
Background
At present, pultruded plate products adopted by a fan blade girder are generally traditional glass fiber pultruded plates and traditional carbon fiber pultruded plates; the traditional glass fiber pultrusion plate is slightly low in cost, but is high in weight, general in mechanical property and obviously insufficient in strength and rigidity; because the length of the blade is in direct proportion to the power of the fan, the longer the blade is, the larger the wind area is, and the higher the power of the fan is, so that the mass of the blade can be greatly improved along with the lengthening of the blade, and the load can be greatly improved; therefore, the conventional glass fiber pultruded panels do not satisfy the requirements of ideal materials for the pultruded panels of wind turbine blades. The traditional carbon fiber pultrusion plate is light in weight but high in cost, and the adopted carbon fiber resources are relatively short, so that the traditional carbon fiber pultrusion plate is not suitable for massive and all-round popularization in the future; in addition, the development of the technology is limited to a certain extent due to the high strength and modulus of the carbon fiber, and the performance designability is not strong.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a carbon-glass fiber composite pultrusion plate, a production process and production equipment thereof, wherein the composite pultrusion plate adopts a carbon fiber and glass fiber composite mode, the weight of a finished product is far lower than that of a pure glass fiber pultrusion plate, the composite pultrusion plate has excellent mechanical property and strong performance designability, the strength and the modulus of the composite pultrusion plate meet the material requirements of a girder of a large fan blade, the cost is low, and the composite pultrusion plate is beneficial to wide popularization and application.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a carbon glass fiber composite pultrusion plate, this pultrusion plate utilizes carbon fiber and glass fiber impregnated resin material back pultrusion, and this pultrusion plate is platelike structure, and it has glass fiber layer and carbon fiber layer, and the carbon fiber layer is wrapped up in to the glass fiber layer.
Further, the ratio of the number of carbon fibers to the number of glass fibers is 90 to 100:75 to 85.
Further, the resin material comprises the following components in parts by weight: 100 parts of resin, 60-80 parts of curing agent, 1-2 parts of accelerator and 1-3 parts of release agent.
Further, the resin is a thermosetting resin or a thermoplastic resin, preferably one or a combination of two or more of an epoxy resin, a vinyl resin, a phenolic resin, an unsaturated polyester resin and a polyurethane resin.
The invention also provides a production process of the carbon glass fiber composite pultrusion plate, which comprises the following steps:
(1) respectively calculating the required carbon fiber and glass fiber consumption according to the requirements of the plate, and then respectively placing the required carbon fiber and glass fiber on a creel;
(2) under the traction action of a traction machine, carbon fibers and glass fibers sequentially pass through a yarn collecting plate and a layered yarn plate, after the layered yarn plate is subjected to yarn splitting, the carbon fibers are arranged on an inner layer, the glass fibers are arranged on an outer layer, and after the yarn splitting, the carbon fibers and the glass fibers enter an impregnation tank filled with resin impregnation materials to be subjected to impregnation treatment;
(3) extruding the carbon fibers and the glass fibers subjected to gum dipping treatment to remove redundant resin dipping materials, then feeding the carbon fibers into a preforming mold, and extruding the carbon fibers by the preforming mold;
(4) the glass fiber, the carbon fiber passing through the preforming mold, the upper demolding cloth positioned above the glass fiber and the lower demolding cloth positioned below the glass fiber enter the forming mold together, and the glass fiber, the carbon fiber, the upper demolding cloth and the lower demolding cloth are formed into a plate through pultrusion;
(5) and curing the formed plate, cooling, drawing, rolling and tearing off the demolding cloth to obtain the carbon-glass fiber composite pultrusion plate.
Further, the length of the preforming mold is 170mm, and the length of the forming mold is 1000 mm.
Further, the temperature of the preforming mold is set to be 60-100 ℃, the forming mold is divided into four temperature zones, and the temperatures of the four temperature zones are respectively controlled to be 130-180 ℃.
Further, the curing temperature in the step (5) is 140-160 ℃.
The invention further provides production equipment for producing the carbon glass fiber composite pultrusion plate, which comprises a creel, a yarn collecting plate, a layered yarn plate, a dipping tank, a rubber extruding roller, a rubber filtering plate, a preforming mold, a forming mold, post-curing equipment, a tractor and a winding device which are sequentially arranged.
Furthermore, an upper demoulding cloth roller and a lower demoulding cloth roller are arranged in front of the forming mould in the production equipment.
The invention has the beneficial effects that:
the composite pultruded panel is formed by impregnating resin materials with carbon fibers and glass fibers and then carrying out pultrusion; the pultrusion plate with the plate-shaped structure is provided with a glass fiber layer and a carbon fiber layer, wherein the glass fiber layer is wrapped on the carbon fiber layer at the periphery. The composite pultruded panel designed in the way adopts a carbon fiber and glass fiber composite mode, the weight of the finished product is slightly higher than that of a pure carbon fiber pultruded panel, but far lower than that of the pure glass fiber pultruded panel, and the requirement of a fan blade girder on the weight of the material is met; in addition, the composite pultruded panel also has high mechanical properties, such as: better toughness, which greatly improves the designability of performance and the like; moreover, the strength and the modulus of the composite pultrusion plate can also meet the requirements of a large-sized blade girder; moreover, the composite pultrusion plate is compounded by adopting the carbon fibers and the glass fibers, so that the cost is reduced to a certain extent, the current situation of shortage of carbon fiber raw materials is relieved, the development of the future pultrusion market is facilitated, and the wide popularization and application of the composite pultrusion plate are facilitated.
In addition, the carbon glass fiber composite pultrusion plate with the plate-shaped structure and the carbon fiber layer wrapped by the glass fiber layer is produced by adopting proper process steps, process parameters, a formula of the resin impregnating compound and proper pre-forming dies and forming dies, so that the material requirement of the fan blade girder is met.
Drawings
Fig. 1 is a schematic structural view of a carbon-glass fiber composite pultruded panel according to the present invention.
FIG. 2 is a schematic structural diagram of the production equipment for producing the carbon glass fiber composite pultruded panel according to the present invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a carbon glass fiber composite pultrusion plate, this pultrusion plate utilizes carbon fiber and glass fiber impregnated resin material back pultrusion, and this pultrusion plate is platelike structure, and it has glass fiber layer and carbon fiber layer, and the carbon fiber layer is wrapped up in to the glass fiber layer.
Wherein the ratio of the number of carbon fibers to the number of glass fibers is 90 to 100:75 to 85.
The resin material comprises the following components in parts by weight: 100 parts of resin, 60-80 parts of curing agent, 1-2 parts of accelerator and 1-3 parts of release agent.
The resin is thermosetting resin or thermoplastic resin, preferably one or a combination of two or more of epoxy resin, vinyl resin, phenolic resin, unsaturated polyester resin and polyurethane resin.
Examples
As shown in fig. 1, the pultruded panel is formed by impregnating a resin material with carbon fiber and glass fiber and then performing pultrusion, the pultruded panel 1 is a plate-shaped structure, and has a glass fiber layer 11 and a carbon fiber layer 12, and the carbon fiber layer 12 is wrapped by the glass fiber layer 11.
In this example, the ratio of the number of carbon fibers to the number of glass fibers was 96: 81. In the pultruded panel, the volume content of carbon fibers was 40% and the volume content of glass fibers was 30%.
The resin material comprises the following components in parts by weight: 100 parts of resin, 80 parts of curing agent, 1 part of accelerator and 2 parts of release agent. The resin of this example is an epoxy resin.
The production equipment for producing the carbon glass fiber composite pultrusion plate is shown in fig. 2, and comprises a creel 21, a yarn collecting plate 22, a layered yarn plate 23, a dipping tank 24, a glue squeezing roller 25, a glue filtering plate 26, a pre-forming die 27, a forming die 28, a post-curing device 29, a tractor 30 and a winding device 31 which are sequentially arranged from front to back. Wherein, the front of the forming mould is also provided with an upper demoulding cloth roller 32 and a lower demoulding cloth roller 33 for providing upper demoulding cloth and lower demoulding cloth.
The production process of the carbon glass fiber composite pultruded panel of this embodiment is described with reference to the production equipment shown in fig. 2; the production process comprises the following steps:
(1) respectively calculating the required carbon fiber and glass fiber using amounts according to the plate requirements, wherein the number of the carbon fibers is 96, the number of the glass fibers is 81, and then respectively placing bobbins with 96 carbon fibers and bobbins with 81 glass fibers on creels;
(2) under the traction effect of tractor 30, carbon fiber 211 and glass fiber 212 pass collection yarn board 22, layering yarn board 23 in proper order, and after the branch yarn of layering yarn board, carbon fiber 211 arranges in the inlayer, and glass fiber 212 arranges in the skin, and concrete layered structure is from last to being down in proper order: the fiber glass comprises a glass fiber layer, a carbon fiber layer and a glass fiber layer, wherein glass fibers are uniformly arranged on the left side and the right side of the carbon fiber layer respectively, and after yarn splitting, the carbon fibers and the glass fibers enter an impregnation tank 24 filled with resin impregnation materials for impregnation treatment; wherein, the formula of the resin impregnating material in the impregnating tank 24 is as follows: 100 parts by weight of resin, 80 parts by weight of curing agent, 1 part by weight of accelerator and 2 parts by weight of release agent.
(3) The carbon fibers and the glass fibers after the gum dipping treatment are extruded by a gum extruding roller 25 and filtered by a gum filtering plate 26 to remove redundant resin dipping materials and impurities, and then the carbon fibers 211 after gum dipping enter a preforming mold 27 and are extruded by the preforming mold 27; the length of the preforming die is 170mm, and the temperature of the preforming die is set to be 100 ℃;
(4) the glass fiber 212 after gum dipping, the carbon fiber 211 after gum dipping and passing through the preforming mold, the upper demolding cloth positioned above the glass fiber and the lower demolding cloth positioned below the glass fiber enter the forming mold 28 together, and the sheet is formed through pultrusion; the length of the forming die 28 is 1000 mm; the forming die 28 is divided into four temperature zones, the temperatures of the four temperature zones are 135 ℃, 160 ℃, 170 ℃ and 180 ℃;
(5) the formed plate enters a post-curing device 29, the curing temperature of the post-curing device 29 is 140 ℃, the formed plate is cooled by a cooling air box after being cured, and then enters a traction machine 30 and a winding device 31, and the carbon glass fiber composite pultrusion plate is obtained after traction, winding and stripping cloth tearing are sequentially carried out; wherein, the tractor adopts a crawler-type tractor to ensure the continuous and stable pultrusion of the plate; in this example, the pultrusion speed was 0.4 m/min.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The carbon-glass fiber composite pultrusion plate is characterized in that the pultrusion plate is formed by utilizing carbon fibers and glass fibers to impregnate resin materials and then performing pultrusion, the pultrusion plate is of a plate-shaped structure and is provided with a glass fiber layer and a carbon fiber layer, and the glass fiber layer is wrapped by the carbon fiber layer.
2. The carbon-glass fiber composite pultruded panel according to claim 1, wherein the ratio of the number of carbon fibers to the number of glass fibers is 90-100: 75-85.
3. The carbon glass fiber composite pultruded panel according to claim 1, wherein the resin material comprises the following components in parts by weight: 100 parts of resin, 60-80 parts of curing agent, 1-2 parts of accelerator and 1-3 parts of release agent.
4. The carbon-glass fiber composite pultruded panel according to claim 3, wherein the resin is a thermosetting resin or a thermoplastic resin, preferably one or a combination of two or more of epoxy resin, vinyl resin, phenolic resin, unsaturated polyester resin, and polyurethane resin.
5. The process for producing a carbon glass fiber composite pultruded panel according to any of claims 1 to 4, comprising the steps of:
(1) respectively calculating the required carbon fiber and glass fiber consumption according to the requirements of the plate, and then respectively placing the required carbon fiber and glass fiber on a creel;
(2) under the traction action of a traction machine, carbon fibers and glass fibers sequentially pass through a yarn collecting plate and a layered yarn plate, after the layered yarn plate is subjected to yarn splitting, the carbon fibers are arranged on an inner layer, the glass fibers are arranged on an outer layer, and after the yarn splitting, the carbon fibers and the glass fibers enter an impregnation tank filled with resin impregnation materials to be subjected to impregnation treatment;
(3) extruding the carbon fibers and the glass fibers subjected to gum dipping treatment to remove redundant resin dipping materials, then feeding the carbon fibers into a preforming mold, and extruding the carbon fibers by the preforming mold;
(4) the glass fiber, the carbon fiber passing through the preforming mold, the upper demolding cloth positioned above the glass fiber and the lower demolding cloth positioned below the glass fiber enter the forming mold together, and the glass fiber, the carbon fiber, the upper demolding cloth and the lower demolding cloth are formed into a plate through pultrusion;
(5) and curing the formed plate, cooling, drawing, rolling and tearing off the demolding cloth to obtain the carbon-glass fiber composite pultrusion plate.
6. The process of claim 5, wherein the length of the pre-forming die is 170mm, and the length of the forming die is 1000 mm.
7. The production process of the carbon glass fiber composite pultruded panel according to claim 5, wherein the temperature of the pre-forming mold is set to 60-100 ℃, the forming mold is divided into four temperature zones, and the temperatures of the four temperature zones are respectively controlled to 130-180 ℃.
8. The production process of the carbon glass fiber composite pultruded panel according to claim 5, wherein the curing temperature in step (5) is 140-160 ℃.
9. The production equipment for producing the carbon glass fiber composite pultrusion plate as claimed in any one of claims 1 to 4 is characterized by comprising a creel, a yarn collecting plate, a layered yarn plate, a dipping tank, a rubber extruding roller, a rubber filtering plate, a pre-forming die, a forming die, post-curing equipment, a tractor and a winding device which are sequentially arranged.
10. The apparatus for producing carbon glass fiber composite pultruded panels according to claim 9, wherein: an upper demoulding cloth roller and a lower demoulding cloth roller are arranged in front of the forming mould.
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| CN113002080A (en) * | 2021-02-25 | 2021-06-22 | 振石集团华智研究院(浙江)有限公司 | Pultrusion plate |
| CN113147060A (en) * | 2021-04-19 | 2021-07-23 | 上伟（江苏）碳纤复合材料有限公司 | Forming method of carbon glass fiber chromatography combined pultrusion plate covered with release cloth |
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| 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 |
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