CN114523694A - Production process and production equipment for carbon fiber coated glass fiber pultruded panel - Google Patents
Production process and production equipment for carbon fiber coated glass fiber pultruded panel Download PDFInfo
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- CN114523694A CN114523694A CN202111662328.6A CN202111662328A CN114523694A CN 114523694 A CN114523694 A CN 114523694A CN 202111662328 A CN202111662328 A CN 202111662328A CN 114523694 A CN114523694 A CN 114523694A
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- glass fiber
- carbon fiber
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 130
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 123
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 123
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000003292 glue Substances 0.000 claims abstract description 112
- 238000007790 scraping Methods 0.000 claims abstract description 63
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 33
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000011417 postcuring Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 240000007594 Oryza sativa Species 0.000 claims abstract 2
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract 2
- 235000009566 rice Nutrition 0.000 claims abstract 2
- 239000000835 fiber Substances 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229920005992 thermoplastic resin Polymers 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- CMLFRMDBDNHMRA-UHFFFAOYSA-N 2h-1,2-benzoxazine Chemical compound C1=CC=C2C=CNOC2=C1 CMLFRMDBDNHMRA-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 150000001925 cycloalkenes Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Images
Classifications
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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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
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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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/08—Impregnating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0076—Curing, vulcanising, cross-linking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a production process and production equipment for a carbon fiber coated glass fiber pultruded panel, which comprises a yarn collecting plate, a yarn dividing plate, double glue pressing rods in a glue groove, a multi-stage glue scraping plate and the like, wherein the process comprises the following steps: (1) calculating the volume content of the carbon fiber yarns and the glass fiber yarns in a certain product section according to the target performance, and calculating the quantity of the required carbon fiber yarns and glass fiber yarns; (2) designing the arrangement form of the carbon fiber yarns and the glass fiber yarns on the yarn collecting plate and the yarn dividing plate; (3) the carbon fiber yarn and the glass fiber yarn pass through the yarn collecting plate and the yarn dividing plate, are impregnated with resin glue solution in the glue tank, and then pass through the glue scraping rod and the multistage glue scraping plate; (4) the carbon fiber yarn and the glass fiber yarn enter a forming die together with a demolding cloth, and a plate is obtained through a pultrusion process; (5) the plate is subjected to post-curing box, cooling, rice recording, traction, cutting and rolling. The carbon fiber coated glass fiber structure is easier to extrude and form, is easier to be matched with a lightning protection system, transmits lightning to the underground, and reduces the lightning damage risk of the blade.
Description
Technical Field
The invention belongs to the technical field of fiber plates, and particularly relates to a production process and production equipment for a carbon fiber coated glass fiber pultruded plate.
Background
The existing wind power blade girder is mainly obtained by carrying out post-treatment, stripping and tearing off of a demolding cloth and then laying according to a certain sequence on a plate made of glass fiber or carbon fiber through a pultrusion process. At present, the modulus of the glass fiber pultrusion plate is difficult to achieve above 67GPa, while the average tensile-compression modulus of the carbon fiber pultrusion plate can achieve above 145GPa, but the cost is high. The carbon fiber and glass fiber mixed pultrusion plate can give consideration to both cost and performance, and has wide application prospect in a wind power blade crossbeam.
Chinese patent publication No.: CN111959058A discloses a composite pultruded sheet material of glass fiber coated carbon fiber, in which the carbon fiber is isolated by an insulated glass fiber layer, which can cause the lightning protection system of the blade to be difficult to establish and easy to be broken down by lightning. And chinese patent publication No.: CN111959058A, in order to make panel more easily with the cooperation of blade lightning protection system, solve and be punctured the risk by the thunder and lightning, disclose the carbon glass of another kind of structure and mix the flat board, wherein the carbon fiber district of panel communicates the surface in glass fiber district. However, the carbon glass-mixed structure is complex, and it is difficult to obtain an ideal and regular structure in the pultrusion process, which easily causes the non-uniformity of the plate performance and the non-uniformity of the carbon fiber distribution, and affects the linearity and other performances of the pultruded plate.
Disclosure of Invention
In view of the problem that a regular structure is difficult to form in a pultrusion process of a carbon fiber-glass mixed flat plate carbon fiber communication complex structure in the prior art, the invention provides a production process and production equipment of a carbon fiber-coated glass fiber pultrusion plate.
The technical solution for realizing the purpose of the invention is as follows:
the utility model provides a fine pultrusion panel of carbon fibre cladding glass, the panel includes that carbon fiber is regional and the glass fiber is regional, the regional complete cladding glass fiber of carbon fiber is regional.
Further, the volume ratio of the carbon fibers to the glass fibers is 24: 45-29: 40.
According to the application of the carbon fiber-coated glass fiber pultrusion plate, the carbon fiber-coated glass fiber pultrusion plate is applied to a girder of the wind power blade.
A production device of carbon fiber coated glass fiber pultrusion plates comprises a carbon fiber and glass fiber mixed creel, a carbon fiber tension adjusting device, a glass fiber tension adjusting device, a yarn collecting plate, a yarn dividing plate, a double-pressure glue pressing rod in a glue groove, a first yarn comb, a glue extruding rod, a yarn lifting rod, a second yarn comb, a multi-stage glue scraping plate, a forming die, a post-curing box, a meter counting device, a traction device, a cutting device and a winding device,
under the action of traction equipment, carbon fibers and glass fibers are respectively conveyed to a yarn collecting plate after passing through a carbon fiber tension adjusting device and a glass fiber tension adjusting device, and the yarn collecting plate, the yarn dividing plate, a double-pressure glue rod in a glue groove, a first yarn comb, a glue extruding rod, a yarn lifting rod, a second yarn comb, a multi-stage glue scraping plate, a forming die, a post-curing box, a meter counting device, the traction equipment, a cutting device and a winding device are sequentially arranged.
Furthermore, the multistage glue scraping plate comprises a first glue scraping plate, a second glue scraping plate and a third glue scraping plate which are sequentially arranged, the first glue scraping plate is provided with four strip-shaped holes which are vertically arranged and three round holes which are positioned at the left side and the right side of the four strip-shaped holes, and the uppermost strip-shaped hole and the lowermost strip-shaped hole in the four strip-shaped holes are wider than the middle two strip-shaped holes; the second glue scraping plate is provided with three strip-shaped holes which are vertically distributed and three round holes which are distributed on the left side and the right side of the three strip-shaped holes, and the uppermost strip-shaped hole and the lowermost strip-shaped hole in the three strip-shaped holes are wider than the middle strip-shaped hole; the third rubber scraping plate is provided with three strip-shaped holes which are vertically arranged and rectangular holes which are distributed on the left side and the right side of the three strip-shaped holes.
Furthermore, a metal heating round bar is arranged at the inlet of the forming die, and the de-molding cloth dehumidified by the metal heating round bar enters the forming die.
Further, the forming die is divided into three temperature zones, the temperatures of the three temperature zones are respectively controlled to be 130-200 ℃, the curing box comprises three sections of post-curing boxes with gradually-reduced temperatures, and the temperatures are controlled to be 130-190 ℃.
The production process of the carbon fiber coated glass fiber pultrusion plate comprises the following steps:
step 1: calculating the number of carbon fiber yarns and glass fiber yarns required by the pultruded panel with the set section size according to the target performance to be achieved;
step 2: designing the arrangement forms of the carbon fiber yarns and the glass fiber yarns on the yarn collecting plate and the yarn dividing plate according to the ideal distribution form of the carbon fiber and the glass fiber on the cross section of the pultruded plate;
and step 3: according to a preset arrangement form, under the traction of traction equipment, after being subjected to tension adjustment, carbon fiber yarns and glass fiber yarns come out of a carbon fiber and glass fiber mixed creel and pass through a yarn collecting plate, a yarn dividing plate and a glue groove to be impregnated with resin glue solution under the action of a double-pressure glue rod, the fibers are divided into four layers, and a carbon fiber layer, a glass fiber layer and a carbon fiber layer are sequentially arranged from top to bottom, wherein a certain number of carbon fibers are distributed on two sides of the glass fibers, redundant resin is primarily extruded through a first yarn comb and a glue extruding rod, a yarn lifting rod and a second yarn comb uniformly contract the fiber distribution width, and multi-stage glue scraping is carried out on the multi-stage glue scraping plates, wherein the uppermost strip-shaped holes and the lowermost strip-shaped holes of a first glue scraping plate only allow the uppermost carbon fiber layer and the lowermost carbon fiber layer to pass through, the round holes on two sides only allow the carbon fibers from the two sides of the glass fibers to pass through, and the glass fiber layer only allows the glass fiber layer to pass through the middle two strip-shaped holes, controlling the volume content of the glass fiber to be 50-55% of the total volume of the glass fiber and the resin glue solution; the uppermost and lowermost strip-shaped holes of the second glue scraping plate only allow the carbon fiber layers from the uppermost and lowermost strip-shaped holes of the first glue scraping plate to pass through, the round holes at two sides only allow the carbon fibers from the corresponding round holes at two sides of the first glue scraping plate to pass through, and the middle strip-shaped hole only allows the glass fiber to pass through, so that the volume content of the glass fiber is controlled to be 60-65% of the total volume of the glass fiber and resin glue solution; the uppermost and lowermost strip-shaped holes of the third glue scraping plate only allow the carbon fiber layers from the uppermost and lowermost strip-shaped holes of the second glue scraping plate to pass through, the rectangular holes at two sides are respectively converged with carbon fibers from three round holes at the corresponding sides of the glue scraping plates, and the middle strip-shaped hole only allows glass fibers to pass through, so that the volume content of the glass fibers is controlled to be 65-69% of the total volume of the glass fibers and the resin glue solution;
and 4, step 4: the carbon fiber yarns and the glass fiber yarns subjected to multistage glue scraping enter a forming die together with a demolding cloth, and a plate is obtained through a pultrusion process;
and 5: and cooling the plate in a post-curing box, counting the meters in a meter counting device, cutting the plate by a cutting device 1 through traction equipment, and winding the plate by a winding device to obtain the carbon fiber coated glass fiber pultrusion plate.
Further, the resin glue solution impregnated by the carbon fibers and the glass fibers comprises the following components in parts by weight: 100 parts of resin, 80-106 parts of curing agent, 0-2 parts of accelerator, 1-2 parts of release agent and 0-8 parts of filler.
Further, the resin is a thermosetting resin or a thermoplastic resin.
Compared with the prior art, the invention has the remarkable advantages that:
(1) the carbon fiber coated glass fiber pultruded panel is formed by impregnating fibers distributed in a certain form (carbon fiber yarns are symmetrically distributed around glass fiber yarns) with resin glue solution and performing pultrusion; the carbon fiber coated glass fiber pultruded panel can be applied to a wind power blade girder, has low density and better mechanical property compared with a pure glass fiber pultruded panel, gives consideration to cost and performance, is easier to match with a lightning protection system due to the carbon fiber full-coating structure of the panel, transmits lightning to the underground, reduces the lightning damage risk of the blade, and has wide application prospect in the wind power blade girder;
(2) according to the invention, the specially designed multistage glue scraping plates are adopted, and holes are formed in the middle and two sides of each stage of glue scraping plate, so that carbon fibers and glass fibers can pass through the multistage glue scraping plates, then much glue solution is removed, and a form of carbon fiber coated glass fibers is formed.
Drawings
Fig. 1 is a schematic structural view of a carbon fiber-coated glass fiber pultruded panel according to the present invention.
FIG. 2 is a schematic view showing the components of the apparatus for producing a carbon fiber-coated glass fiber pultruded panel according to the present invention.
Fig. 3 is a schematic structural diagram of a multistage doctor blade.
Detailed Description
As shown in fig. 1, the carbon fiber coated glass fiber pultruded panel applied to the girder of the wind turbine blade is formed by arranging carbon fibers and glass fiber impregnating resin glue solution according to a certain rule on the cross section, respectively performing multistage glue scraping, and then performing pultrusion curing molding, and is composed of two regions including a carbon fiber region 1 and a glass fiber region 2, wherein the carbon fiber region 1 is completely coated with the glass fiber region 2.
Preferably, the volume ratio of the carbon fibers to the glass fibers is 24: 45-29: 40.
With reference to fig. 2, a production device for carbon fiber coated glass fiber pultrusion plates comprises a carbon fiber and glass fiber mixed creel 3, a carbon fiber tension adjusting device 4, a glass fiber tension adjusting device 5, a yarn collecting plate 6, a yarn dividing plate 7, a double-glue-pressing rod 8 in a glue tank, a first yarn comb 91, a glue extruding rod 10, a yarn lifting rod 11, a second yarn comb 92, a multistage glue scraping plate 12, a forming die 15, a post-curing box 16, a meter counting device 17, a traction device 18, a cutting device 19 and a winding device 20, wherein after the fibers enter the glue tank, the double-glue-pressing rod 8 in the glue tank needs to be unfolded and impregnated with glue solution twice after entering the glue tank, a certain distance exists between round rods passing twice, and the distance between the centers of the round rods of the glue pressing rod at the same height is 110 mm.
Under the action of the traction equipment 18, carbon fibers 22 and glass fibers 21 respectively pass through a carbon fiber tension adjusting device 4 and a glass fiber tension adjusting device 5 and then are sent to a yarn collecting plate 6, and the yarn collecting plate 6, a yarn separating plate 7, a dual-glue pressing rod 8 in a glue groove, a first yarn comb 91, a glue extruding rod 10, a yarn lifting rod 11, a second yarn comb 92, a multi-stage glue scraping plate 12, a forming die 15, a post-curing box 16, a meter counting device 17, the traction equipment 18, a cutting device 19 and a winding device 20 are sequentially arranged.
Specifically, referring to fig. 3, the multistage doctor blade 12 includes a first doctor blade 121, a second doctor blade 122 and a third doctor blade 123, which are sequentially disposed, the first doctor blade 121 is provided with four bar-shaped holes arranged up and down and three circular holes located at the left and right sides of the four bar-shaped holes, the uppermost and lowermost bar-shaped holes of the four bar-shaped holes are 2mm wider than the middle two bar-shaped holes, and the areas of the middle two bar-shaped holes are set at a certain value; the second glue scraping plate 122 is provided with three strip-shaped holes which are vertically arranged and three round holes which are distributed on the left side and the right side of the three strip-shaped holes, the uppermost strip-shaped hole and the lowermost strip-shaped hole in the three strip-shaped holes are 2mm wider than the middle strip-shaped hole, the middle strip-shaped hole of the second glue scraping plate 122 combines two layers of glass fibers of the two strip-shaped holes in the middle of the first glue scraping plate 121 into one layer, and the area of the strip-shaped hole is reduced to a certain value (the area of the middle strip-shaped hole of the second glue scraping plate 122 is smaller than the sum of the areas of the two strip-shaped holes in the middle of the first glue scraping plate 121); the third scraping plate 123 is provided with three strip-shaped holes which are vertically arranged and rectangular holes which are distributed on the left side and the right side of each strip-shaped hole, and the area of the strip-shaped hole in the middle of each strip-shaped hole is further reduced.
Furthermore, a metal heating round bar 14 is arranged at the inlet of the forming die 15, the demolding cloth 13 dehumidified by the metal heating round bar 14 enters the forming die 15, the diameter of the round bar 14 is 60mm, and the temperature is controlled to be 80-100 ℃.
Further, the length of the forming die 15 is 1000mm, and the forming die is divided into three temperature zones, wherein the temperatures are respectively as follows: the lengths of corresponding temperature zones are respectively 100mm, 300mm and 300mm at 140 ℃, 180 ℃ and 190 ℃, the length of the curing box 16 is 1000mm, the curing box is divided into three temperature zones, and the temperatures are respectively as follows: 190 deg.C, 170 deg.C, 150 deg.C.
The production process for producing the carbon fiber-coated glass fiber pultrusion plate by adopting the carbon fiber-coated glass fiber pultrusion plate production equipment is characterized by comprising the following steps of:
step 1: calculating the number of carbon fiber yarns and glass fiber yarns required by the pultruded panel with the set section size according to the target performance to be achieved;
step 2: according to an ideal distribution form of carbon fiber and glass fiber on the cross section of the pultruded panel, the arrangement forms of carbon fiber yarn and glass fiber yarn on the yarn collecting plate 6 and the yarn dividing plate 7 are designed;
and step 3: according to a preset arrangement form, under the traction of a traction device 18, after being subjected to tension adjustment, carbon fiber yarns 22 and glass fiber yarns 21 come out of a carbon fiber and glass fiber mixed creel 3, pass through a yarn collecting plate 6, a yarn dividing plate 7, and are impregnated with resin glue solution under the action of a double-glue-pressing rod 8 in a glue groove, the fibers are divided into four layers, from top to bottom, a carbon fiber layer, a glass fiber layer and a carbon fiber layer are sequentially arranged, wherein the carbon fibers and the glass fibers are arranged on the yarn collecting plate 6 and the yarn dividing plate 7 in a manner that the carbon fibers surround the glass fibers, a certain number of carbon fibers are distributed on two sides of the glass fibers, the fibers are carded through a first yarn comb 91, the glue extruding rod 10 primarily extrudes redundant resin, the yarn lifting rod 11, a second yarn comb 92 uniformly shrinks the fiber distribution width, the multistage glue scraping plates 12 carry out multistage glue scraping, the first yarn comb 91 combs the fibers, and prevents the fibers from being disorderly distributed among the same layers, wherein the uppermost surface of the first glue scraping plate 121 and the lowermost surface of the strip holes only allow the uppermost surface of the carbon fibers to pass through the uppermost surface of the lowermost surface of the uppermost surface of the second surface of the first surface of the surface of the The round holes on the two sides only allow the carbon fibers from the two sides of the glass fibers to pass through, the two strip-shaped holes in the middle only allow the glass fiber layers to pass through, so that the volume content of the glass fibers is controlled to be 55% of the total volume of the glass fibers and the resin glue solution, the upper edge of the yarn lifting rod 11 is flush with the lower edges of the four strip-shaped holes in the corresponding first glue scraping plate 121, and before the fibers enter the first glue scraping plate 121, the fibers distributed widely are uniformly narrowed to 110% of the width of the strip-shaped holes of the first glue scraping plate 121 by a yarn comb; the uppermost and lowermost strip-shaped holes of the second doctor blade 122 only allow the carbon fiber layers from the uppermost and lowermost strip-shaped holes of the first doctor blade 121 to pass through, the round holes at two sides only allow the carbon fibers from the corresponding round holes at two sides of the first doctor blade 121 to pass through, and the middle strip-shaped hole only allows the glass fibers to pass through, so that the volume content of the glass fibers is controlled to be 63% of the total volume of the glass fibers and the resin adhesive solution; the uppermost and lowermost strip-shaped holes of the third glue scraping plate 123 only allow the carbon fiber layers passing through the uppermost and lowermost strip-shaped holes of the second glue scraping plate 122, the rectangular holes at two sides are respectively converged with the carbon fibers from the three round holes at the corresponding side of the glue scraping plate 122, and the middle strip-shaped hole only allows the glass fibers to pass through, so that the volume content of the glass fibers is controlled to be 66% of the total volume of the glass fibers and the resin glue solution;
and 4, step 4: the carbon fiber yarns and the glass fiber yarns subjected to multistage glue scraping enter a forming die 15 together with a demolding cloth 13, and a plate is obtained through a pultrusion process;
and 5: the plate is cooled by the post-curing box 16, counted by the meter counting device 17, cut by the cutting device 119 through the traction device 18, and wound by the winding device 20 to obtain the carbon fiber coated glass fiber pultrusion plate, wherein the pultrusion speed is 300mm/min in the embodiment.
Specifically, the resin glue solution impregnated by the carbon fibers and the glass fibers comprises the following components in parts by weight: 100 parts of resin, 106 parts of curing agent and 2 parts of release agent.
Preferably, the resin is a thermosetting resin or a thermoplastic resin, more preferably one or a combination of two or more of an epoxy resin system, an unsaturated polyester resin system, a benzoxazine resin system, a phenolic resin system, a polyurethane resin system, a terephthalic acid resin system, and a cycloolefin resin system.
The average value of 0-degree tensile modulus and 90-degree tensile strength of the carbon fiber coated glass fiber pultruded panel produced by the method is 101.5GPa and 47 MPa.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A carbon fiber coated glass fiber pultrusion plate comprises a carbon fiber area (1) and a glass fiber area (2),
the carbon fiber region (1) completely covers the glass fiber region (2).
2. The carbon fiber-coated glass fiber pultruded panel according to claim 1,
the volume ratio of the carbon fibers to the glass fibers is 24: 45-29: 40.
3. The use of the carbon fiber-coated glass fiber pultruded panel according to claim 1 or 2, wherein the carbon fiber-coated glass fiber pultruded panel is applied to a wind turbine blade girder.
4. A production device of carbon fiber coated glass fiber pultrusion plates, which is characterized in that,
comprises a carbon fiber and glass fiber mixed creel (3), a carbon fiber tension adjusting device (4), a glass fiber tension adjusting device (5), a yarn collecting plate (6), a yarn dividing plate (7), a double-pressure glue rod (8) in a glue groove, a first yarn comb (91), a glue extruding rod (10), a yarn lifting rod (11), a second yarn comb (92), a multi-stage glue scraping plate (12), a forming die (15), a post-curing box (16), a meter counting device (17), a traction device (18), a cutting device (19) and a winding device (20),
under the action of traction equipment (18), carbon fibers (22) and glass fibers (21) are respectively conveyed to a yarn collecting plate (6) after passing through a carbon fiber tension adjusting device (4) and a glass fiber tension adjusting device (5), and the yarn collecting plate (6), a yarn dividing plate (7), a double-pressure glue rod (8) in a glue groove, a first yarn comb (91), a glue extruding rod (10), a yarn lifting rod (11), a second yarn comb (92), a multi-stage glue scraping plate (12), a forming die (15), a post-curing box (16), a meter counting device (17), the traction equipment (18), a cutting device (19) and a winding device (20) are sequentially arranged.
5. The apparatus for producing carbon fiber-coated glass fiber pultruded panel according to claim 4,
the multistage glue scraping plate (12) comprises a first glue scraping plate (121), a second glue scraping plate (122) and a third glue scraping plate (123) which are sequentially arranged, the first glue scraping plate (121) is provided with four strip-shaped holes which are vertically arranged and three round holes which are positioned at the left side and the right side of the four strip-shaped holes, and the uppermost strip-shaped hole and the lowermost strip-shaped hole in the four strip-shaped holes are wider than the middle two strip-shaped holes; the second glue scraping plate (122) is provided with three strip-shaped holes which are vertically distributed and three round holes which are distributed on the left side and the right side of the three strip-shaped holes, and the uppermost strip-shaped hole and the lowermost strip-shaped hole in the three strip-shaped holes are wider than the middle strip-shaped hole; the third glue scraping plate (123) is provided with three strip-shaped holes which are vertically arranged and rectangular holes which are distributed on the left side and the right side of each strip-shaped hole.
6. The apparatus for producing carbon fiber-coated glass fiber pultruded panel according to claim 5,
and a metal heating round bar (14) is arranged at the inlet of the forming die (15), and the demolding cloth (13) dehumidified by the metal heating round bar (14) enters the forming die (15).
7. The apparatus for producing carbon fiber-coated glass fiber pultruded panel according to claim 6,
the forming die (15) is divided into three temperature zones, the temperatures of the three temperature zones are respectively controlled to be 130-200 ℃, the curing box (16) comprises three sections of post-curing boxes with gradually-reduced temperature, and the temperature is controlled to be 130-190 ℃.
8. The production process for producing the carbon fiber-coated glass fiber pultruded panel according to claim 1 or 2, using the carbon fiber-coated glass fiber pultruded panel production apparatus according to claim 6 or 7, comprising the steps of:
step 1: calculating the number of carbon fiber yarns and glass fiber yarns required by the pultruded panel with the set section size according to the target performance to be achieved;
step 2: according to an ideal distribution form of carbon fiber and glass fiber on the cross section of the pultruded panel, the arrangement forms of carbon fiber yarn and glass fiber yarn on a yarn collecting plate (6) and a yarn dividing plate (7) are designed;
and step 3: according to a preset arrangement form, under the traction of a traction device (18), after being subjected to tension adjustment, carbon fiber yarns (22) and glass fiber yarns (21) come out of a carbon fiber and glass fiber mixed creel (3), pass through a yarn collecting plate (6), a yarn dividing plate (7) and are impregnated with resin glue liquid under the action of a double-pressure glue rod (8) in a glue groove, the fibers are divided into four layers, and are a carbon fiber layer, a glass fiber layer and a carbon fiber layer from top to bottom in sequence, wherein a certain number of carbon fibers are distributed on two sides of the glass fibers, the fibers are carded through a first yarn comb (91), redundant resin is preliminarily extruded through a glue extruding rod (10), a yarn lifting rod (11), a second yarn comb (92) uniformly shrinks the fiber distribution width, and multistage glue scraping is carried out on the glue scraping plates (12), wherein the uppermost strip holes and the lowermost strip holes of the first glue scraping plate (121) only allow the uppermost carbon fiber layers and the lowermost carbon fiber layers to pass through, the round holes at the two sides only allow the carbon fibers from the two sides of the glass fiber to pass through, and the strip-shaped holes at the middle only allow the glass fiber layer to pass through, so that the volume content of the glass fiber is controlled to be 50-55% of the total volume of the glass fiber and the resin glue solution; the uppermost and lowermost strip-shaped holes of the second glue scraping plate (122) only allow the carbon fiber layers from the uppermost and lowermost strip-shaped holes of the first glue scraping plate (121) to pass through, the round holes at two sides only allow the carbon fibers from the corresponding round holes at two sides of the first glue scraping plate (121) to pass through, and the middle strip-shaped hole only allows the glass fiber to pass through, so that the volume content of the glass fiber is controlled to be 60-65% of the total volume of the glass fiber and the resin glue solution; the uppermost and lowermost strip-shaped holes of the third glue scraping plate (123) only allow the carbon fiber layers from the uppermost and lowermost strip-shaped holes of the second glue scraping plate (122) to pass through, the rectangular holes at two sides are respectively converged with carbon fibers from three round holes at the corresponding side of the glue scraping plate (122), and the middle strip-shaped hole only allows glass fibers to pass through, so that the volume content of the glass fibers is controlled to be 65-69% of the total volume of the glass fibers and the resin glue solution;
and 4, step 4: the carbon fiber yarns and the glass fiber yarns subjected to multistage glue scraping enter a forming die (15) together with a demolding cloth (13), and a plate is obtained through a pultrusion process;
and 5: and cooling the plate in a post-curing box (16), counting the rice in a meter counting device (17), cutting the plate in a cutting device (1) and (19) through a traction device (18), and winding the plate in a winding device (20) to obtain the carbon fiber coated glass fiber pultrusion plate.
9. The production process of claim 8, wherein the resin glue solution impregnated with the carbon fibers and the glass fibers comprises the following components in parts by weight: 100 parts of resin, 80-106 parts of curing agent, 0-2 parts of accelerator, 1-2 parts of release agent and 0-8 parts of filler.
10. The production process according to claim 9,
the resin is a thermosetting resin or a thermoplastic resin.
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