CN113352649A - Forming device and preparation method of fiber reinforced nylon wind power crossbeam - Google Patents
Forming device and preparation method of fiber reinforced nylon wind power crossbeam Download PDFInfo
- Publication number
- CN113352649A CN113352649A CN202110671631.6A CN202110671631A CN113352649A CN 113352649 A CN113352649 A CN 113352649A CN 202110671631 A CN202110671631 A CN 202110671631A CN 113352649 A CN113352649 A CN 113352649A
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- Prior art keywords
- heating
- fiber
- wind power
- carbon fiber
- reinforced nylon
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- 239000004677 Nylon Substances 0.000 title claims abstract description 28
- 239000000835 fiber Substances 0.000 title claims abstract description 28
- 229920001778 nylon Polymers 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- 239000011094 fiberboard Substances 0.000 claims abstract description 12
- 230000003247 decreasing effect Effects 0.000 claims abstract description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 30
- 239000004917 carbon fiber Substances 0.000 claims description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 15
- 239000004744 fabric Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000006467 substitution reaction 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]
- B29C70/504—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] using rollers or pressure bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/14—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length of filaments or wires
-
- 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
Abstract
The invention relates to a forming device of a fiber reinforced nylon wind power crossbeam and a preparation method thereof. The fiber board is uncoiled through the rotating shaft and then is guided by the guide rollers to enter the heating device for heating, after the nylon resin on the board reaches a molten state, the distance between the upper part and the lower part of the nylon resin is gradually decreased, and the distance between the heating rollers is equal to the thickness of the girder at last. After the heating and pressurizing of the heating roller are carried out, the fiber plates which are bonded together are pulled out of the heating device, and are cut into a certain length after being cooled, and finally the wind power crossbeam is formed. The invention realizes the automatic and high-efficiency manufacture of the wind power crossbeam, effectively reduces the manufacturing cost and can be easily recycled after being scrapped.
Description
Technical Field
The invention relates to a forming device of a fiber reinforced nylon wind power crossbeam and a preparation method thereof.
Background
More and more wind power girders are made of carbon fiber materials, and the current preparation process of the carbon fiber wind power girders mainly comprises three steps: namely a prepreg process, a carbon cloth infusion process and a carbon plate pultrusion process.
The prepreg technology adopts manual laying, is an ideal technology for producing structural members with complex shapes, is mature in technology and equipment, but has poor labor environment, low efficiency and high cost, is mostly used in a prototype at present, and cannot meet the requirement of batch use.
The carbon cloth perfusion process is most applied at present, the process is mature, the requirement on a mold is not high, the product quality stability is high, the product apparent quality is good, the strength is high, but the process has high requirement on the carbon cloth, the production efficiency is not high, the cost is also high, and once a problem occurs, the whole carbon beam is scrapped, so the popularization of the carbon cloth perfusion process is restricted.
At present, a carbon fiber plate with a certain thickness is produced by a pultrusion process in the wind power industry, then the carbon fiber plate is stacked in multiple layers according to the designed size and thickness of a carbon beam and is poured and molded together with a blade, the manual manufacturing time is long, and the efficiency is low. The carbon plates used for pultrusion of the wind power crossbeam are all made of thermosetting resin, such as epoxy resin, the recovery difficulty of thermosetting resin reinforced fiber products is high, and once the wind power blade reaches the scrapping time, the recovery difficulty is faced.
Disclosure of Invention
In view of the current situation of the prior art, the invention aims to provide a forming device of a fiber reinforced nylon wind power crossbeam and a preparation method thereof, wherein the forming device greatly shortens the time consumption, remarkably improves the efficiency, effectively reduces the cost, and can be easily recycled after being scrapped.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a forming device of fibre reinforced nylon wind-powered electricity generation girder which characterized in that, includes that the fibreboard is opened a book pivot, guide roll, heating device, is to compression roller and cutting equipment. The fiber board is uncoiled through the rotating shaft and then is guided by the guide rollers to enter the heating device for heating, after the nylon resin on the board reaches a molten state, the distance between the upper part and the lower part of the nylon resin is gradually decreased, and the distance between the heating rollers is equal to the thickness of the girder at last. After the heating and pressurizing of the heating roller are carried out, the fiber plates which are bonded together are pulled out of the heating device, and are cut into a certain length after being cooled, and finally the wind power crossbeam is formed.
2. Preferably, the forming device of the fiber reinforced nylon wind power girder is characterized in that the right side of the heating device is also provided with a cutting device uncoiling rotating shaft which can be active or passive.
3. Preferably, the forming device of the fiber reinforced nylon wind power crossbeam is characterized in that the heating mode of the heating device includes, but is not limited to, infrared heating, air heating, induction heating and the like
4. Preferably, the forming device of the fiber reinforced nylon wind power girder is characterized in that the distance between the upper part and the lower part of the heating rollers is gradually decreased and is equal to the thickness of the girder at last.
5. Preferably, the forming device of the fiber reinforced nylon wind power crossbeam is characterized in that a metal core is arranged inside the heating roller, and a polytetrafluoroethylene coating is attached to the outer part of the heating roller.
6. The preparation method of the fiber reinforced nylon wind power crossbeam is characterized by comprising the following steps of:
s1: preparing a carbon fiber plate coiled material;
s2: preparing a carbon fiber girder;
the S1 includes the steps of:
s11: the carbon fiber yarn is discharged from the creel by the yarn supply device;
s12: collecting the drawn-off carbon fiber yarn into a bundle by a yarn guide plate and then guiding the bundle into an injection box;
s13: continuously injecting the mixed reactive resin into the injection box, and further impregnating the carbon fiber bundle in the injection box;
s14: the impregnated fiber bundles leave the injection box and enter a polymerization zone to be polymerized to form a carbon fiber plate;
s15: the polymerized fiber board is led out through a traction device and is rolled up through a rolling device for standby.
The S2 includes the steps of:
s21: taking fiber board coiled materials, respectively sleeving the fiber board coiled materials on the rotating shafts, uncoiling the coiled materials, and guiding the coiled materials into a heating device through a guide roller to preheat.
S22: after the fiber board is drawn for a period of time, the resin is heated to a molten state, the resin passes through a plurality of pairs of compression rollers after being overlapped, and the resin is adhered together to form a carbon fiber thick plate after being extruded by the compression rollers;
s23: and the carbon fiber block thick plate enters cutting equipment after being cooled so as to be cut into a certain size, so that the carbon fiber girder is formed.
7. Preferably, the preheating temperature in the step S21 is 220 ℃ to 280 ℃.
Compared with the prior art, the invention has the advantages that: the invention realizes the automatic and high-efficiency manufacture of the wind power crossbeam, effectively reduces the manufacturing cost and can be easily recycled after being scrapped. .
Drawings
FIG. 1 is a process flow diagram for making a fiberboard web of the present invention.
FIG. 2 is a flow chart of a process for manufacturing a carbon fiber girder according to the present invention;
FIG. 3 is a schematic diagram of the structure of the apparatus of the present invention;
Detailed Description
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.
As shown in fig. 1-3, a forming device of a fiber reinforced nylon wind power crossbeam is characterized by comprising a fiber plate uncoiling rotating shaft, a guide roller, a heating device, a counter-pressure roller and a cutting device. The fiber board is uncoiled through the rotating shaft and then is guided by the guide rollers to enter the heating device for heating, after the nylon resin on the board reaches a molten state, the distance between the upper part and the lower part of the nylon resin is gradually decreased, and the distance between the heating rollers is equal to the thickness of the girder at last. After the heating and pressurizing of the heating roller are carried out, the fiber plates which are bonded together are pulled out of the heating device, and are cut into a certain length after being cooled, and finally the wind power crossbeam is formed.
A preparation method of a fiber reinforced nylon wind power crossbeam comprises the following steps:
step 1, the yarn supply device discharges carbon fibers from a creel.
And 2, collecting the carbon fibers into a bundle by the discharged carbon fibers through a yarn guide plate, and then guiding the bundle into an injection box.
And 3, allowing the carbon fibers to enter an injection box, starting to continuously inject the mixed reactive resin into the injection box, and impregnating the carbon fibers at the position.
And 4, allowing the impregnated carbon fibers to leave the injection box and enter a polymerization zone to polymerize and mold the material.
And 5, drawing the polymerized carbon plate out of the mold through drawing equipment, and winding the polymerized carbon plate through winding equipment for later use.
And 6, uncoiling the carbon plate coiled material (2) through the rotating shaft (1), conveying the carbon plate coiled material through the guide roller (3), and entering the carbon plate coiled material into a heating device (4) for preheating, wherein the temperature of the heating device is set to be 250 ℃.
And 7, after the carbon plate is preheated to a certain temperature, the carbon plate is extruded and bonded together through a plurality of pairs of rotating heating rollers (5) with certain intervals.
And 8, cutting the cooled parts into a certain size through a cutting device (6) to form the carbon fiber wind power crossbeam.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a forming device of fibre reinforced nylon wind-powered electricity generation girder which characterized in that, includes that the fibreboard is opened a book pivot, guide roll, heating device, is to compression roller and cutting equipment. The fiber board is uncoiled through the rotating shaft and then is guided by the guide rollers to enter the heating device for heating, after the nylon resin on the board reaches a molten state, the distance between the upper part and the lower part of the nylon resin is gradually decreased, and the distance between the heating rollers is equal to the thickness of the girder at last. After the heating and pressurizing of the heating roller are carried out, the fiber plates which are bonded together are pulled out of the heating device, and are cut into a certain length after being cooled, and finally the wind power crossbeam is formed.
2. The forming device of the fiber reinforced nylon wind power girder according to claim 1, wherein the unwinding rotating shaft can be active or passive.
3. The forming device of a fiber reinforced nylon wind power crossbeam according to claim 1, wherein the heating device is heated by a heating method including, but not limited to, infrared heating, air heating, induction heating, and the like.
4. The forming apparatus of a fiber reinforced nylon wind power crossbeam according to claim 1, wherein the distance between the upper and lower heating rollers gradually decreases and is equal to the thickness of the crossbeam at the end.
5. The forming device of a fiber reinforced nylon wind power crossbeam according to claim 1, wherein the heating roller has a metal core inside and a polytetrafluoroethylene coating outside.
6. The preparation method of the fiber reinforced nylon wind power crossbeam is characterized by comprising the following steps of:
s1: preparing a carbon fiber plate coiled material;
s2: preparing a carbon fiber girder;
the S1 includes the steps of:
s11: the carbon fiber yarn is discharged from the creel by the yarn supply device;
s12: collecting the drawn-off carbon fiber yarn into a bundle by a yarn guide plate and then guiding the bundle into an injection box;
s13: continuously injecting the mixed reactive resin into the injection box, and further impregnating the carbon fiber bundle in the injection box;
s14: the impregnated fiber bundles leave the injection box and enter a polymerization zone to be polymerized to form a carbon fiber plate;
s15: the polymerized fiber board is led out through a traction device and is rolled up through a rolling device for standby.
The S2 includes the steps of:
s21: taking fiber board coiled materials, respectively sleeving the coiled materials on the rotating shafts, uncoiling the coiled materials, and guiding the uncoiled coiled materials into a heating device through a guide roller
S22: after the fiber board is drawn for a period of time, the resin is heated to a molten state, the resin passes through a plurality of pairs of compression rollers after being overlapped, and the resin is adhered together to form a carbon fiber thick plate after being extruded by the compression rollers;
s23: and the carbon fiber thick plate enters cutting equipment after being cooled so as to be cut into a certain size, so that the carbon fiber girder is formed.
7. The method for preparing the fiber reinforced nylon wind power girder according to claim 3, wherein the preheating temperature in the step S21 is 220-280 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110671631.6A CN113352649A (en) | 2021-06-17 | 2021-06-17 | Forming device and preparation method of fiber reinforced nylon wind power crossbeam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110671631.6A CN113352649A (en) | 2021-06-17 | 2021-06-17 | Forming device and preparation method of fiber reinforced nylon wind power crossbeam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113352649A true CN113352649A (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110671631.6A Pending CN113352649A (en) | 2021-06-17 | 2021-06-17 | Forming device and preparation method of fiber reinforced nylon wind power crossbeam |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1754589A1 (en) * | 2005-08-17 | 2007-02-21 | General Electric Company | Method for making a continuous laminate, in particular suitable as a spar cap or another part of a wind energy turbine rotor blade |
| CN103112179A (en) * | 2012-10-23 | 2013-05-22 | 镇江铁科橡塑制品有限公司 | Fiber-reinforced resin sheet material and continuous forming method and device thereof |
| CN105585842A (en) * | 2015-12-25 | 2016-05-18 | 江苏金发科技新材料有限公司 | Long glass fiber reinforced PPE (polyphenyl ether)/PA (polyamide) 66 composite material for wind power blade and preparation method of composite material |
| CN106808717A (en) * | 2016-12-20 | 2017-06-09 | 中国科学院宁波材料技术与工程研究所 | A kind of prepreg cuts lay product line device |
| CN108995251A (en) * | 2018-07-30 | 2018-12-14 | 上伟（江苏）碳纤复合材料有限公司 | It is a kind of suitable for the wind electricity blade girder production technology of carbon fiber pultrusion plate |
-
2021
- 2021-06-17 CN CN202110671631.6A patent/CN113352649A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1754589A1 (en) * | 2005-08-17 | 2007-02-21 | General Electric Company | Method for making a continuous laminate, in particular suitable as a spar cap or another part of a wind energy turbine rotor blade |
| CN103112179A (en) * | 2012-10-23 | 2013-05-22 | 镇江铁科橡塑制品有限公司 | Fiber-reinforced resin sheet material and continuous forming method and device thereof |
| CN105585842A (en) * | 2015-12-25 | 2016-05-18 | 江苏金发科技新材料有限公司 | Long glass fiber reinforced PPE (polyphenyl ether)/PA (polyamide) 66 composite material for wind power blade and preparation method of composite material |
| CN106808717A (en) * | 2016-12-20 | 2017-06-09 | 中国科学院宁波材料技术与工程研究所 | A kind of prepreg cuts lay product line device |
| CN108995251A (en) * | 2018-07-30 | 2018-12-14 | 上伟（江苏）碳纤复合材料有限公司 | It is a kind of suitable for the wind electricity blade girder production technology of carbon fiber pultrusion plate |
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Application publication date: 20210907 |
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