CN115742383A - Pultrusion equipment, production method of section bar, torsion plate and wind driven generator blade - Google Patents
Pultrusion equipment, production method of section bar, torsion plate and wind driven generator blade Download PDFInfo
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- CN115742383A CN115742383A CN202211467045.0A CN202211467045A CN115742383A CN 115742383 A CN115742383 A CN 115742383A CN 202211467045 A CN202211467045 A CN 202211467045A CN 115742383 A CN115742383 A CN 115742383A
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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
Abstract
The application provides pultrusion equipment, a production method of a profile, a torsion plate and a wind driven generator blade. The pultrusion equipment comprises a yarn frame, a steeping vat, an extrusion molding mechanism and a tractor which are sequentially distributed along the advancing direction of the fiber, the fiber of the yarn frame is steeped by the steeping vat, and then is solidified and extruded by the extrusion molding mechanism to form a pultrusion plate female profile, and the pultrusion plate female profile is pulled by the tractor; the extrusion forming mechanism comprises an extruder and an adjusting assembly, and the extruder adjusts the translation position in a first plane perpendicular to the advancing direction of the section bar and/or the rotation angle in the first plane through the adjusting assembly. The application provides a pultrusion equipment is through being connected adjusting part and extruder, can adjust the axis of section bar on self extending direction in the section bar production process and take place to buckle, can produce the section bar that has the torsional complicated space appearance in space, can be used to replace combined material leading edge roof beam and trailing edge roof beam among the jumbo size wind-powered electricity generation blade.
Description
Technical Field
The application relates to the field of pultruded profiles, in particular to pultrusion equipment, a production method of profiles, a torsion plate and a wind driven generator blade.
Background
In recent years, with the development of the wind power industry, blades of wind driven generators are made larger, and blades eight ten meters and ninety meters long in the current blade products are frequently available. The leading edge beam and the trailing edge beam of the large blade are formed by single-axis fiber parts for bearing bending load, and the shapes of the parts are not only bent but also twisted.
The current manufacturing methods mainly comprise two methods: one is that single-shaft cloth is directly paved on a mould and is integrally poured and molded with a covering; the other method is to use a vacuum introduction process to manufacture prefabricated parts and adhere the prefabricated parts to corresponding positions. However, the same problems exist with both methods: the construction difficulty is high, and fiber cloth with the length of eighty meters or more needs to be laid layer by layer; the produced components have many quality problems, and defects such as folds and the like are easy to appear in the laying process, so that the quality problem is difficult to estimate the influence on the mechanical property of the blade as one of main stress parts of the blade.
Disclosure of Invention
In view of this, the embodiment of the present application provides a pultrusion apparatus, a production method of a profile, a torsional plate and a wind turbine blade, so as to improve the strength and the production efficiency of the blade.
The embodiment of the first aspect of the application provides pultrusion equipment which comprises a yarn frame, a glue dipping groove, an extrusion forming mechanism and a tractor, wherein the yarn frame, the glue dipping groove, the extrusion forming mechanism and the tractor are sequentially distributed along the advancing direction of a profile;
the extrusion forming mechanism comprises an extruder and an adjusting assembly, wherein the extruder adjusts the translation position in a first plane perpendicular to the advancing direction of the section bar and/or the rotation angle in the first plane through the adjusting assembly.
Optionally, the extruder includes a main body and an extruding portion, the extruding portion is embedded in the main body and is used for solidifying and extruding the impregnated fiber, and the adjusting assembly further includes a rotating member for rotating the extruding portion to rotate relative to the main body.
Optionally, the adjustment assembly comprises a guide assembly to which the extruder is movably connected and a drive assembly for driving the extruder along the guide assembly.
Optionally, the guide assembly comprises a first guide bar extending in a first direction and a second guide bar extending in a second direction, both the first direction and the second direction being parallel to the first plane;
the extruder is connected with the first guide rod in a sliding manner, and the second guide rod is connected with the first guide rod in a sliding manner; the driving assembly is used for driving the extruding machine to slide along the first guide rod and driving the first guide rod to slide along the second guide rod.
Embodiments of the second aspect of the present application provide a method of producing a profile, comprising:
dipping fibers wound on the yarn frame in a dipping tank to form a dipped fiber section;
the infiltrated fiber profile passes through an extrusion forming mechanism for curing and forming treatment to form a pultrusion plate master profile, wherein the extrusion forming mechanism comprises an extruder and an adjusting component;
the pultrusion plate female profile is pulled along the profile advancing direction by a tractor;
when the tractor pulls the free end face of the pultrusion plate female profile to be a preset distance away from the extrusion forming mechanism, the extruder is subjected to translational adjustment in a first plane perpendicular to the profile advancing direction and/or rotation adjustment in the first plane through the adjusting assembly to form the profile.
Optionally, during the profile forming process, the speed of the extruder which is adjusted in translation in a first plane perpendicular to the profile traveling direction and/or in rotation in the first plane by the adjusting assembly is uniform or non-uniform.
Optionally, the fiber is one or a mixture of several of carbon fiber, glass fiber, basalt fiber, aramid fiber and the like.
Optionally, the glue solution in the glue dipping tank is formed by mixing one or more of vinyl polyester resin, epoxy resin, phenolic resin and polyurethane resin.
Embodiments of the third aspect of the present application provide a torsional plate prepared by the foregoing method for producing a profile, including: the end part and the deformation part are integrally formed, and the adjacent section of the deformation part in the direction perpendicular to the extending direction of the deformation part is changed by a preset angle.
Optionally, the height of the adjacent cross section of the deformation part in the direction perpendicular to the extending direction of the deformation part is in gradient change.
Embodiments of a fourth aspect of the present application provide a wind turbine blade comprising the aforementioned pultruded profile.
Compared with the prior art, the application has at least the following beneficial effects:
the pultrusion equipment that this application embodiment provided is through being connected adjusting part with the extruder, can adjust the axis of section bar in self extending direction in section bar production process and take place crooked and crooked, the current situation that the section bar axis only has the straight line among the prior art has been improved, can produce the section bar that has the torsional complicated space appearance in space, this kind of section bar can accomplish to have the space curved surface appearance of shape laminating completely with the blade mould, a composite material leading edge roof beam and trailing edge roof beam for replacing among the jumbo size wind-powered electricity generation blade, can not only improve the quality of blade, more can shorten the production time of blade.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on the drawings without any creative effort.
FIG. 1 is a schematic structural diagram of a pultrusion apparatus provided in an embodiment of a first aspect of the present application;
fig. 2 is a schematic structural diagram of a torsion plate according to an embodiment of the third aspect of the present application;
reference numerals:
10: twisting the plate; 11: an end portion; 12: a deformation section;
20: a pultrusion device; 21: a yarn frame; 22: a glue dipping tank; 231: an extruder; 2311: a pressing section; 2312: a main body portion; 232: a guide assembly; 233: a drive assembly; 2321: a first guide bar; 2322: a second guide bar; 24: a tractor; 25: a cutting machine.
Detailed Description
In order to make the application purpose, technical solution and beneficial technical effects of the present application clearer, the present application is further described in detail with reference to the following embodiments. It should be understood that the embodiments described in this specification are only for the purpose of explaining the present application and are not intended to limit the present application.
For the sake of brevity, only some numerical ranges are explicitly disclosed herein. However, any lower limit may be combined with any upper limit to form ranges not explicitly recited; and any lower limit may be combined with any other lower limit to form a range not explicitly recited, and similarly any upper limit may be combined with any other upper limit to form a range not explicitly recited. Also, although not explicitly recited, each point or individual value between endpoints of a range is encompassed within the range. Thus, each point or individual value may, as its lower or upper limit, be combined with any other point or individual value or with other lower or upper limits to form ranges not explicitly recited.
In the description of the present application, it is to be noted that "more" and "below" are intended to include the present numbers, and "more" of "one or more" means two or more, unless otherwise specified.
The above summary of the present application is not intended to describe each disclosed embodiment or every implementation of the present application. The following description more particularly exemplifies illustrative embodiments. At various points throughout this application, guidance is provided through a list of embodiments that can be used in various combinations. In each instance, the list is provided only as a representative group and should not be construed as exhaustive.
In recent years, with the development of the wind power industry, blades of wind driven generators are made larger, and blades eight ten meters and ninety meters in length are frequently seen in the current blade products. The front edge beam and the rear edge beam of the large blade are formed by single-shaft fiber parts for bearing bending load, and the parts have bending and torsion in shape. The current manufacturing methods mainly comprise two methods: one is to directly lay single-shaft cloth on a mould and integrally pour and form the cloth and a covering; the other method is to use a vacuum introduction process to manufacture prefabricated parts and adhere the prefabricated parts to corresponding positions. However, the same problems exist with both methods: the construction difficulty is high, and fiber cloth with the length of more than eighty meters needs to be laid layer by layer; the produced components have many quality problems, and the defects of folds and the like are easily caused in the laying process, so that the quality problems are difficult to estimate on the mechanical property of the blade as one of main stress parts of the blade.
The inventor of the application notices that most of the main beams and the auxiliary beams of the large-scale blade use the prefabricated pultrusion profiles, and the blade also needs the auxiliary beams to bear the main bending load due to the increase of the size of the blade. The inventor of the application is inspired, and researches provide pultrusion equipment, a production method of the profile and a torsional profile so as to improve the strength and the production efficiency of the blade.
In a first aspect, embodiments of the present application provide a pultrusion apparatus, comprising: the device comprises a yarn frame, a glue dipping tank, an extrusion molding mechanism and a tractor which are sequentially distributed along the advancing direction of the profile, wherein fibers of the yarn frame are dipped in glue through the glue dipping tank and then are solidified and extruded through the extrusion molding mechanism to form a pultrusion plate female profile, and the pultrusion plate female profile is pulled through the tractor; the extrusion forming mechanism comprises an extruder and an adjusting assembly, and the extruder adjusts the translation position in a first plane perpendicular to the advancing direction of the section bar and/or the rotation angle in the first plane through the adjusting assembly. . The pultrusion equipment with the structure can produce a section with a space torsion appearance, is used for replacing a composite material front edge beam and a composite material rear edge beam in a large-size wind power blade, can improve the quality of the blade, and can shorten the production time of the blade.
In the following, detailed description is given in conjunction with different embodiments, and fig. 1 is a schematic structural diagram of a pultrusion device provided in an embodiment of the present application; fig. 2 is a schematic structural diagram of a torsion plate according to an embodiment of the present application.
As shown in fig. 1, a pultrusion apparatus 20 provided in the embodiments of the present application includes: the device comprises a yarn frame 21, a glue dipping tank 22, an extrusion forming mechanism and a tractor 24 which are sequentially distributed along the advancing direction of the section, wherein fibers of the yarn frame 21 are dipped by the glue dipping tank 22 and then pass through the extrusion forming mechanism, the extrusion forming mechanism comprises an extruder 231 and an adjusting assembly 232, and the extruder 231 adjusts the translational position and/or the rotation angle in a first plane vertical to the advancing direction of the section through the adjusting assembly 232.
The plurality of fibers are respectively independently reeled from the yarn creel 21, are distributed and output through the guide holes under the action of traction force, are subjected to glue dipping treatment through the glue dipping tank 22, the required soaking time of the fibers in complete soaking can be obtained through a target ring experiment, the glue dipping distance of the fibers in the glue dipping tank 22 is calculated by combining pultrusion speed, glue is timely supplemented according to the consumption of glue solution consumed by the fibers in unit time, the viscosity of the glue solution can be adjusted as required, illustratively, the viscosity of the glue solution in the glue dipping tank 22 is kept within the range of 800-6000mPa.s, the fluidity of the glue solution in the glue dipping tank 213 is ensured, and the pultrusion speed is conveniently improved.
The extrusion molding mechanism 23 is used for curing the dipped fibers into a mother profile of a pultrusion plate. The extrusion forming mechanism comprises an extruder 231 and an adjusting assembly 232, and specifically, the fibers subjected to gum dipping in the embodiment of the present application pass through the extruder 231 and are subjected to gum extrusion and heating in the extruder 231, and the heating manner is not specifically limited in the present application as the fibers enter.
An adjustment assembly 232 is connected to the extruder 231 and is adapted to move the extruder 231 in a first plane perpendicular to the direction of travel of the profile, the extruder 231 being adapted to change the position in the first plane perpendicular to the direction of travel of the profile by means of a translatory movement and/or to change the angle in the first plane by means of a rotary movement under the adjustment of the adjustment assembly 232. For example, the adjustment assembly 232 can adjust the extruder 231 to translate up and down, or to translate left and right, or to rotate, relative to the floor. As the fiber yarn enters, a certain section of the pultrusion plate female profile is solidified and formed, at this time, if the extruder 231 is adjusted to move, then the center of the next section may change along with the movement of the extruder 231, the height of the next section may be raised or lowered along with the extruder 231, and/or the angle formed by the next section and the ground may also change along with the rotation of the extruder 231, so that the center and the angle of each section are not completely consistent, and the final product will be a composite material space twisted pultrusion type piece with a complex space profile.
A tractor 24 is used to draw the profile movement. The tractor 24 can be fixed relative to the profile and move with the profile in the direction of the profile movement, or a channel can be formed in the tractor 24, so that the profile subjected to curing molding moves along the channel and moves relative to the tractor 24, and the effect of transferring the profile is only required.
It is understood that the pultrusion equipment 20 provided by the embodiment of the present application further includes a cutter 25, and the solidified and formed pultrusion flat form is subjected to traction cutting by the cutter 25 to obtain a finished product with a required length.
The pultrusion equipment 20 that this application embodiment provided is through being connected adjusting part 232 with extruder 231, can adjust the axis of section bar on self extending direction in the production process of pultrusion plate female profile and take place to buckle, the current situation that the panel axis only has the straight line among the prior art has been improved, can produce the panel that has the torsional complex space appearance in space, this kind of panel can accomplish to have the space curved surface appearance of shape laminating completely with the blade mould, a leading edge roof beam and trailing edge roof beam for replacing combined material among the jumbo size wind-powered electricity generation blade, can not only improve the quality of blade, more can shorten the production time of blade.
Of course, the pultrusion apparatus 20 provided by the embodiment of the present application can also produce straight-line shaped panels when the extruder 231 is not moved.
To facilitate twisting of the extruded panel precursor profile, in some embodiments, and with continued reference to fig. 1, the extruder 231 includes a body portion 2312 and an extrusion portion 2311, the extrusion portion 2311 being embedded in the body portion 2312 and being configured to cure the extruded and impregnated fiber, and the conditioning assembly further includes a rotating member configured to rotate the extrusion portion relative to the body portion 2312. When a spatially twisted plate needs to be produced, it is only necessary to rotate the rotating member of the adjusting assembly to control the pressing portion 2311. Preferably, the outer contour of the pressing portion 2311 is circular.
In some embodiments, the adjustment assembly includes a guide assembly 232 and a drive assembly 233, the extruder 231 being movably coupled to the guide assembly 232, the drive assembly 233 being configured to drive the extruder 231 along the guide assembly 232. The driving assembly 233 may include a motor connected to the extruding machine 231 and driving the extruding machine 231 to move along the guide assembly 232. The guide assembly 232 can provide a guide for the movement of the extrusion molding machine 231, so that the movement track of the profile is smooth.
In some embodiments, as shown in fig. 1, the guide assembly includes a first guide bar 2321 and a second guide bar 2322, the first guide bar 2321 extends in a first direction, the second guide bar 2322 extends in a second direction, both the first direction and the second direction are parallel to a first plane; the extruder is slidably connected with the first guide rod 2321, and the second guide rod 2322 is slidably connected with the first guide rod 2321; the driving assembly is used for driving the extruding machine to slide along the first guide rod 2321 and driving the first guide rod 2321 to slide along the second guide rod 2322. For example, as shown in fig. 1, the first guide bar 2321 is a transverse bar penetrating through the extruder 231, the extruder 231 can move horizontally along the transverse bar, the second guide bar 2322 is a vertical bar connected to the transverse bar, and the extruder 231 can move vertically along the transverse bar 2321 relative to the transverse bar 2321. The guiding assembly 232 can provide a guide for the movement of the molding press 231 to smooth the movement track of the sheet material and produce a sheet material with a smooth shape, and can also provide a support for the molding press 231.
The second guide bar 2322 and the first guide bar 2321 may also be disposed at an inclined angle with respect to the ground, which is not specifically limited in this application.
To improve the smoothness of the extruder movement, the number of the first guide bars 2321 is set to 2; the second guide bars 2322 are provided in 4 groups and distributed at both sides of the extruder 231.
The guiding assembly 232 may also be a bar member that is inclined relative to the ground, which is not specifically limited in this application.
Specifically, the driving assembly may include a control system and a plurality of sets of motors electrically connected to the control system, wherein the control system is configured to direct the plurality of sets of motors to drive the extruder 231 to translate or rotate according to the requirement of the torsion or the change of the section center of the sheet to be produced.
In some embodiments, the shape of the forming section of the extruder 231 is a flat rectangle or a parallelogram, so that the extruder 231 can produce a plate with a complex spatial profile with spatial torsion, and the size of the forming section can be set according to actual needs, which is not specifically limited in this application.
In a second aspect, embodiments of the present application provide a method for producing a profile, including: dipping fibers wound on the yarn frame in a dipping tank to form a dipped fiber section; the infiltrated fiber profile passes through an extrusion forming mechanism for curing and forming treatment to form a pultrusion plate master profile, wherein the extrusion forming mechanism comprises an extruder and an adjusting component; the pultrusion plate female profile is dragged along the fiber advancing direction through a tractor;
when the tractor pulls the free end face of the pultrusion plate female profile to have a preset distance with the extrusion forming mechanism, the extruder is subjected to translation adjustment in a first plane perpendicular to the advancing direction of the profile and/or rotation adjustment in the first plane through the adjusting assembly to form a deformed profile.
In the embodiment of this application, get into extrusion mechanism gradually along with soaking the fiber section bar, the section bar begins solidification forming gradually from the end, when the tractor pulls the free end face of the female section bar of pultrusion board and extrusion mechanism to have preset distance, can adjust to make extruder 231 can take place the motion through adjusting part, the position of the different cross-sections of drive section bar changes, make the section bar begin to take place to warp, with the deformation portion 12 that forms the section bar, length can be set for according to actual need predeterminedly here. Specifically, the extruder 231 may translate in a first plane perpendicular to the traveling direction of the profile, or rotate in the first plane, or translate and rotate simultaneously in the first plane, and accordingly, a certain cross section of the profile may translate a preset distance or rotate a preset angle or translate and rotate simultaneously relative to the positions of two adjacent cross sections.
The preset position of the gradual translation of the extruding machine 231, the preset angle of the gradual rotation, the translation speed and the rotation speed can be set according to the shape of the required profile, specifically, the movement of the extruding machine 231 can be controlled according to the shape setting parameters of the required profile, the profile is deformed in the production process, and finally, the deformation part of the profile is formed.
The production method of the profile provided by the embodiment of the application may further include cutting to form the profile when the distance between the free end surface and the outlet of the extrusion die 231 satisfies a second preset length. The second predetermined length is the length of the profile.
The production method of the section provided by the embodiment of the application improves the pultrusion process, adjusts the extruding machine 231 by using the adjusting assembly, the extruding die machine 231 can move in the first plane vertical to the advancing direction of the section, and the pultruded section with space deformation can be produced, wherein the manufactured pultruded section with special shapes of bending and twisting is suitable for the nonlinear shape of a blade die and can be used for replacing a composite material front edge beam and a composite material rear edge beam in a large-size wind power blade. The section bar is formed by a pultrusion process, so that the quality of the blade can be improved, and the production time of the blade can be shortened.
In some embodiments, the extruder is adjusted by the adjustment assembly in translation in a first plane perpendicular to the direction of travel of the profile and/or in rotation in the first plane at a constant speed during the forming of the profile.
The extruder 231 moves at a constant speed to allow the deformed sections of the profile to change uniformly to form a smooth curve. Of course, the moving speed of the extruder 231 may be non-uniformly varied, and the specific variation depends on the profile parameters of the desired profile.
The impregnated fiber is formed by impregnating the fiber in glue solution.
In some embodiments, the fibers are fibers commonly used in the art for producing pultruded profiles and may be selected according to actual needs, and illustratively, the fibers include one or a mixture of carbon fibers, glass fibers, basalt fibers, aramid fibers, and the like.
In some embodiments, the glue solution is formed from a resin commonly used in the art for producing pultruded profiles, and may be selected according to actual needs, and illustratively, the resin includes one or a mixture of vinyl polyester resin, epoxy resin, phenolic resin, and polyurethane resin.
In a third aspect, the present embodiment provides a twisted plate 10, where the twisted plate 10 is prepared by the method described above, including: an end portion 11 and a deformation portion 12,
the end part 11 and the deformation part 12 are integrally formed, and the adjacent section of the deformation part 12 in the direction vertical to the extending direction of the deformation part is changed by a preset angle.
The utility model provides a twist reverse adjacent cross-section of plate 10 on perpendicular self extending direction is certain angle, wholly for the space twists reverse plate 10, can be used for replacing combined material leading edge roof beam and trailing edge roof beam among the jumbo size wind-powered electricity generation blade. The section bar is formed by a pultrusion process, so that the quality of the blade can be improved, and the production time of the blade can be shortened.
In some embodiments, the deformations 12 have a gradient in adjacent cross-sectional heights perpendicular to their extension.
The utility model provides a twist reverse plate 10 does not have torsional special appearance, still presents the bending form on self extending direction, and more the laminating has crooked and torsional special appearance, more adapts to the nonlinear appearance of blade mould, has improved the laminating degree with the blade mould.
In a third aspect, embodiments of the present application provide a wind turbine blade comprising the aforementioned twist plate 10. The application provides a aerogenerator blade's production time shortens, and efficiency improves, and the quality is more excellent.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The pultrusion equipment is characterized by comprising a yarn frame (21), a glue dipping tank (22), an extrusion molding mechanism and a tractor (24) which are sequentially distributed along the advancing direction of a profile, wherein fibers of the yarn frame (21) are dipped in glue through the glue dipping tank (22) and then are solidified and extruded through the extrusion molding mechanism to form a pultrusion plate female profile, and the pultrusion plate female profile is pulled through the tractor (24);
wherein the extrusion forming mechanism comprises an extruder (231) and an adjusting assembly, and the extruder (231) adjusts the translational position in a first plane perpendicular to the profile traveling direction and/or the rotation angle in the first plane through the adjusting assembly.
2. The pultrusion apparatus as claimed in claim 1, characterized in that the extruder comprises a body portion (2312) and a pressing portion (2311), the pressing portion (2311) being embedded in the body portion (2312) and being adapted to solidify the extruded and impregnated fiber, the adjusting assembly further comprising a rotating member for rotating the pressing portion relative to the body portion (2312).
3. The pultrusion apparatus as claimed in claim 1, characterized in that the adjusting assembly comprises a guide assembly (232) to which the extrusion press (231) is movably connected and a drive assembly (233) for driving the extrusion press (231) along the guide assembly.
4. The pultrusion apparatus as claimed in claim 3, characterized in that the guide assembly includes a first guide bar (2321) and a second guide bar (2322), the first guide bar (2321) extending in a first direction, the second guide bar (2322) extending in a second direction, the first direction and the second direction both being parallel to the first plane;
the extruder is slidably connected with the first guide rod (2321), and the second guide rod (2322) is slidably connected with the first guide rod (2321); the driving assembly is used for driving the extruding machine to slide along the first guide rod (2321) and driving the first guide rod (2321) to slide along the second guide rod (2322).
5. A method for producing a profile, comprising:
dipping fibers wound on the yarn frame in a dipping tank to form a dipped fiber section;
enabling the soaked fiber profile to pass through an extrusion forming mechanism for curing and forming treatment to form a pultrusion plate mother profile, wherein the extrusion forming mechanism comprises an extruder and an adjusting assembly;
the pultrusion plate female profile is pulled along the profile traveling direction through a pulling machine;
when the tractor pulls the free end face of the pultrusion plate female profile to have a preset distance with the extrusion forming mechanism, the extruder is subjected to translational adjustment in a first plane perpendicular to the advancing direction of the profile and/or rotational adjustment in the first plane through an adjusting assembly to form the profile.
6. A process for the production of a profile according to claim 5, wherein the speed of the translational and/or rotational adjustment of the extruder in a first plane perpendicular to the direction of travel of the profile by means of an adjustment assembly is uniform or non-uniform during the formation of the profile.
7. The production method of the profile according to claim 5, wherein the fiber is one or a mixture of several of carbon fiber, glass fiber, basalt fiber, aramid fiber and the like; and/or the presence of a gas in the gas,
the glue solution in the glue dipping tank is formed by mixing one or more of vinyl polyester resin, epoxy resin, phenolic resin and polyurethane resin.
8. A twisted plate, produced by the method for the production of the profile according to any one of claims 5 to 7, characterized in that it comprises end portions (11) and deformations (12),
the end part (11) and the deformation part (12) are integrally formed, and the adjacent section of the deformation part (12) in the direction perpendicular to the extending direction of the deformation part per se is changed at a preset angle.
9. Torsion plate according to claim 8, characterized in that the height of the adjacent sections of the deformations (12) in a direction perpendicular to their extension varies in a gradient.
10. A wind turbine blade, characterized in that it comprises a torsional plate (10) according to any of claims 8-9.
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| CN202211467045.0A CN115742383A (en) | 2022-11-22 | 2022-11-22 | Pultrusion equipment, production method of section bar, torsion plate and wind driven generator blade |
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| CN202211467045.0A CN115742383A (en) | 2022-11-22 | 2022-11-22 | Pultrusion equipment, production method of section bar, torsion plate and wind driven generator blade |
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