CN117584491A - A pultrusion panel production facility for making wind-powered electricity generation blade - Google Patents
A pultrusion panel production facility for making wind-powered electricity generation blade Download PDFInfo
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- CN117584491A CN117584491A CN202311705010.0A CN202311705010A CN117584491A CN 117584491 A CN117584491 A CN 117584491A CN 202311705010 A CN202311705010 A CN 202311705010A CN 117584491 A CN117584491 A CN 117584491A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 68
- 230000005611 electricity Effects 0.000 title description 5
- 238000001125 extrusion Methods 0.000 claims abstract description 51
- 230000009471 action Effects 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 230000000670 limiting effect Effects 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 10
- 241000252254 Catostomidae Species 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 abstract description 8
- 238000007665 sagging Methods 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
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- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
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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
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention relates to the technical field of plate pultrusion production, and discloses pultrusion plate production equipment for manufacturing wind power blades. According to the invention, the middle part of the long plate is lifted by the action of the auxiliary traction unit, and the auxiliary traction unit can move at the same speed as the extrusion speed of the plate from the extrusion die head under the limit of the auxiliary stretching tracks, so that the auxiliary traction unit can synchronously move along with the local plate which is temporarily connected and fixed at present, thereby avoiding relative sliding between the auxiliary traction unit and the plate, damaging the plate, ensuring that the bottom end of the middle part of the plate cannot droop due to the action of gravity, avoiding the sagging deformation of the plate produced by the pultrusion operation when the plate is not completely cooled, and effectively ensuring the shape of the plate.
Description
Technical Field
The invention relates to the technical field of plate pultrusion production, in particular to pultrusion plate production equipment for manufacturing wind power blades.
Background
The plate pultrusion process is a process method for producing a composite material profile by liquefying the composite material resin under the traction of a traction device and heating the resin through a forming die to solidify the resin. Pultrusion may use a variety of resin types including polyesters, polyurethanes, vinyl esters, and epoxy resins. The various excellent physicochemical properties can be endowed to the plate produced by the pultrusion by utilizing different types of resin;
along with the continuous upgrading of the technology of wind power related industry, the length of the wind power blade is longer and longer at present, and the weight reduction requirement of the blade is also urgent, and as the pultrusion process belongs to continuous production, plates with infinite length can be manufactured theoretically, so that the pultrusion plates are widely used in the manufacturing production process of the wind power blade;
the plate produced in the pultrusion mode is only used for pulling force ends and pulling force of extrusion ends when the pultrusion operation is carried out due to the length of the wind power blade, so that sagging deformation caused by the gravity of the plate which is not completely cooled is not overcome, sliding friction lines are easily generated on the surface of the plate in a conventional plate supporting mode, the plate which is not completely cooled is also easily accumulated locally due to friction, uniformity of the plate is affected, the plate with a longer angle for the wind power blade is usually bent downwards, insufficient uniformity is easily caused, local rigidity and sufficiency are not met, high strength required by the wind power blade is not met, and the yield of the plate is low.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a pultruded panel production device for manufacturing a wind power blade.
In order to solve the technical problems, the invention provides the following technical scheme:
a pultruded panel production apparatus for manufacturing wind power blades, comprising: the conveying machine frame comprises a stretching track frame and an auxiliary track frame, wherein a plurality of stretching driving tracks are hung on the lower surface of the stretching track frame, and a plurality of auxiliary stretching tracks are paved on the upper surface of the auxiliary track frame; the drawing mechanism comprises a connecting seat and a plurality of plate clamps, the front end of a plate output from an extrusion die head of a plate extruder can be clamped by the plurality of plate clamps, the connecting seat can be positioned under the limit of a plurality of drawing driving tracks, driving each plate clamp to drive the front end of the plate to move at the same speed as the extrusion speed of the plate from the extrusion die head along the path of the stretching driving rail to be far away from one end of the extrusion die head; the auxiliary traction mechanism comprises a containing cabin and a plurality of auxiliary traction units, and one auxiliary traction unit moves out of the containing cabin at regular intervals; after any auxiliary traction unit moves out of the accommodating cabin, the auxiliary traction units can be connected and fixed with a plate which passes through the position right above the output end of the accommodating cabin through a plurality of auxiliary suckers, and the auxiliary traction units can move at the same speed of the plate extruded from the extrusion die head under the limit of a plurality of auxiliary stretching tracks.
Preferably, the plurality of stretching driving tracks and the plurality of auxiliary stretching tracks are arranged in parallel, and the plurality of stretching driving tracks and the plurality of auxiliary stretching tracks are arranged at intervals in a staggered manner along a conveying direction perpendicular to the given conveying direction of the conveying rack; the auxiliary traction mechanism further comprises a plurality of hidden tracks, the starting ends of the auxiliary stretching tracks extend into the accommodating cabin, and each hidden track is communicated with the starting end of one auxiliary stretching track respectively.
Preferably, the top end of the connecting seat is provided with a plurality of sliding connecting blocks, each sliding connecting block corresponds to one stretching driving track, and each sliding connecting block is embedded into the corresponding stretching driving track; sliding wheels are arranged on two sides of each sliding connecting block, and the outer surfaces of the sliding wheels are attached to the inner walls of the corresponding stretching driving tracks; when the sliding connection blocks slide under the limitation of the stretching driving tracks, the sliding wheels at two sides of the sliding connection blocks can roll in the corresponding stretching driving tracks.
Preferably, a traction driving mechanism is arranged at the tail end of the conveying frame, the traction driving mechanism comprises a steel cable winding machine and a plurality of steel cables, and the steel cables are synchronously wound by the steel cable winding machine; a plurality of traction fixing bolts are arranged on one side, far away from the extrusion die head, of the connecting seat, and each steel cable is fixed between one traction fixing bolt; the steel cable winding machine synchronously winds all steel cables, can drive the whole connecting seat to move at the same speed as the speed of extruding the plate from the extrusion die head by driving all the plate clamps under the limit of a plurality of stretching driving tracks.
Preferably, each plate clamp comprises an outer jacket clamp and a movable clamp plate, wherein the outer jacket clamp comprises an upper clamp plate and a lower clamp plate, and the outer jacket clamp is movably connected with the upper clamp plate through a plurality of pressing springs; the front end of the plate can be pressed and fixed between the movable clamping plate and the lower clamping plate through the elastic force provided by the pressing spring.
Preferably, a limit bolt is further arranged in the center of the upper surface of the movable clamp plate, the limit bolt penetrates through the upper clamp plate, the limit bolt is connected with the movable clamp plate in a rotating mode, the limit bolt is connected with the upper clamp plate in a threaded mode, and the distance between the movable clamp plate and the lower clamp plate can be adjusted through rotating the limit bolt.
Preferably, each auxiliary traction unit comprises a driving connecting frame, at least one auxiliary driving assembly and at least one sliding limiting assembly are arranged at the bottom end of the driving connecting frame, the total number of the auxiliary driving assemblies and the sliding limiting assemblies is consistent with the number of the auxiliary stretching tracks, and each auxiliary driving assembly and each sliding limiting assembly are embedded into each auxiliary stretching track respectively.
Preferably, the auxiliary driving assembly comprises a driving motor and a plurality of driving wheels connected to the output end of the driving motor, and the outer surfaces of the driving wheels are attached to the inner walls of the corresponding auxiliary stretching tracks; the sliding limiting assemblies comprise a plurality of limiting wheels, and the outer surfaces of the limiting wheels are attached to the inner walls of the corresponding auxiliary stretching tracks; the driving motor of the auxiliary driving assembly outputs power, each driving wheel can be driven to roll in the corresponding auxiliary stretching track, and each limiting wheel also rolls in the corresponding auxiliary stretching track synchronously.
Preferably, an air supply pipeline is erected in the driving connecting frame, each air supply pipeline is communicated with each auxiliary sucker, and a connecting pipe of each auxiliary sucker and the air supply pipeline can stretch and retract; after the auxiliary traction unit is moved out of the accommodating cabin, negative pressure is provided for each auxiliary sucker through the air supply pipeline, and each auxiliary sucker is fixedly connected with a plate which is directly above the output end of the accommodating cabin.
Preferably, the number of the auxiliary traction units accommodated in the accommodating cabin is n, the time interval t for each auxiliary traction unit to be removed from the inside of the accommodating cabin is related to both the total length L of the sheet material and the speed v at which the sheet material is extruded from the extrusion die, and the time interval t for each auxiliary traction unit to be removed from the inside of the accommodating cabin satisfies L/(n+1) v.
Compared with the prior art, the invention provides a pultrusion plate production device for manufacturing wind power blades, which has the following beneficial effects:
1. according to the pultrusion plate production equipment for manufacturing the wind power blade, an auxiliary traction unit is moved out of the accommodating cabin at regular intervals, after any auxiliary traction unit is moved out of the accommodating cabin, the auxiliary traction unit can be fixedly connected with a plate right above the output end of the accommodating cabin through a plurality of auxiliary suckers, so that the middle part of the plate with a longer length is lifted under the action of the auxiliary traction unit, the bottom end of the middle part of the plate is prevented from sagging due to the action of gravity, the sagging deformation of the plate due to the action of gravity when the plate produced by the pultrusion operation is not completely cooled is avoided, the bottom surface of the plate produced by the pultrusion is guaranteed to be positioned on the same plane, and the shape of the plate is effectively guaranteed; and the auxiliary traction units can move at the same speed of extruding the plate from the extrusion die head under the limit of a plurality of auxiliary stretching tracks, so that the auxiliary traction units can synchronously move along with the local plate which is currently and temporarily connected and fixed, the plate is prevented from being damaged by relative sliding, and each auxiliary traction unit can stably lift each part of the plate in the whole production process of the plate, so that the deformation of the plate is avoided, and the rigidity of the plate is ensured.
2. This kind of a pultrusion panel production facility for making wind-powered electricity generation blade, the connecting seat can be under the spacing of a plurality of tensile drive track, along the one end of tensile drive track's route to keeping away from extrusion die, drive each panel clamp and drive panel front end and remove with the same speed of speed that panel extruded from extrusion die, with through panel clamp pulling panel front end removal, and the extrusion speed of cooperation extrusion die, accomplish the continuous pultrusion production manipulation of the pultrusion panel that is used for making wind-powered electricity generation blade, and under the spacing effect of a plurality of tensile drive track, guarantee that the panel of continuous output can follow the restriction route of a plurality of tensile drive track and remove, the track that a plurality of tensile drive tracks limited under the general condition is the linear type, thereby just also make the panel of pultrusion operation output under the centre gripping traction of each panel clamp, can follow the straight line output, guarantee the sharp shape of the panel of output.
3. This kind of a pultrusion panel production facility for making wind-powered electricity generation blade can adjust the distance between movable splint and the lower floor splint through rotating the limit bolt, when movable splint and lower floor splint carry out the centre gripping to panel jointly, a plurality of suppression spring can be to movable splint output elasticity, provide higher suppression power to panel, also because the effect of elasticity, can avoid producing serious damage to the panel that does not solidify yet completely to a certain extent, also can stabilize the centre gripping through each panel clamp and fix the panel effectively, then under the effect of steel cable rolling machine, the synchronous rolling each steel cable of steel cable rolling machine, the steel cable expansion end is fixed between fixed through traction dead bolt and the connecting seat, the linear velocity of each steel cable of steel cable rolling machine is the same with the speed that panel extruded from the extrusion die head, thereby make whole connecting seat drive each panel and smuggle the panel front end with the same speed that panel extruded from the extrusion die head, to the one side of keeping away from the extrusion die head removes, accomplish the production operation of pultrusion panel.
4. According to the pultrusion plate production equipment for manufacturing the wind power blade, the outer surfaces of the sliding wheels are attached to the inner walls of the corresponding stretching driving tracks; when the sliding connection blocks slide under the limitation of the stretching driving tracks, the sliding wheels on two sides of the sliding connection blocks can roll in the corresponding stretching driving tracks, so that the sliding friction of the sliding connection blocks in the corresponding stretching driving tracks can be effectively converted into the rolling friction of the sliding wheels, the friction damage of each sliding connection block and the stretching driving tracks is effectively reduced, and the service life is prolonged.
5. According to the pultrusion plate production equipment for manufacturing the wind power blade, the auxiliary traction unit can stably lift the plate produced by pultrusion in the process that the plate is extruded from the extrusion die head at the same speed as the extrusion speed of the extrusion die head and moves to the side far away from the extrusion die head under the limit of each auxiliary stretching rail, so that the deformation of the plate which is not completely cooled and solidified due to the action of gravity is avoided; the removal of supplementary traction unit is through auxiliary drive assembly's driving motor output power, can drive each drive wheel and roll in the inside supplementary tensile track that corresponds, and each limiting wheel also rolls in the inside supplementary tensile track that corresponds in step, and when moving, reduce sliding friction through rolling, avoid each supplementary tensile orbital wearing and tearing, also can prevent the removal speed change of each supplementary traction unit that leads to because of the wearing and tearing degree is different, effectively guarantee the stability degree of lifting to the panel, improve the panel and evenly in the atress of pultrusion production cooling process, avoid the deformation of panel.
Drawings
FIG. 1 is a schematic perspective view of a pultruded panel production apparatus for manufacturing wind turbine blades according to the present invention including a panel extruder;
FIG. 2 is a schematic perspective view of a pultruded panel production apparatus for manufacturing wind turbine blades according to the present invention;
FIG. 3 is a schematic diagram showing a second perspective view of a pultruded panel production apparatus for manufacturing wind turbine blades according to the present invention;
FIG. 4 is a schematic cross-sectional view of the stretching mechanism of the present invention;
FIG. 5 is a schematic perspective view of a stretching mechanism according to the present invention;
FIG. 6 is a second perspective view of the stretching mechanism of the present invention;
FIG. 7 is a schematic cross-sectional view of the auxiliary traction unit of the present invention;
FIG. 8 is an enlarged view of portion A of FIG. 7 in accordance with the present invention;
fig. 9 is a schematic perspective view of an auxiliary traction unit according to the present invention.
In the figure: 1. a conveyor frame; 11. stretching the rail frame; 12. an auxiliary rail frame; 2. stretching the drive rail; 3. auxiliary stretching rails; 4. a stretching mechanism; 41. a connecting seat; 411. a sliding connection block; 412. a sliding wheel; 413. traction fixing bolt; 42. a plate clamp; 421. an outer jacket clip; 4211. an upper clamping plate; 4212. a lower splint; 422. a movable clamping plate; 423. pressing a spring; 424. a limit bolt; 5. an extrusion die; 6. an auxiliary traction mechanism; 61. a housing compartment; 62. an auxiliary traction unit; 621. an auxiliary suction cup; 622. a drive connection rack; 623. an auxiliary drive assembly; 6231. a drive motor; 6232. a driving wheel; 624. a sliding limit assembly; 6241. a limiting wheel; 625. an air supply duct; 63. hiding the track; 7. a traction drive mechanism; 71. a wire rope winder; 72. a wire rope.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As described in the background art, the present application provides a pultruded panel production apparatus for manufacturing wind power blades, in order to solve the above technical problems.
Referring to fig. 1-9, a pultruded panel production apparatus for manufacturing wind turbine blades includes: the conveying machine frame 1, the conveying machine frame 1 comprises a stretching rail frame 11 and an auxiliary rail frame 12, a plurality of stretching driving rails 2 are hoisted on the lower surface of the stretching rail frame 11, and a plurality of auxiliary stretching rails 3 are paved on the upper surface of the auxiliary rail frame 12; the drawing mechanism 4 comprises a connecting seat 41 and a plurality of plate clamps 42, the front end of a plate output from the extrusion die head 5 of the plate extruder can be clamped by the plurality of plate clamps 42, the connecting seat 41 can drive each plate clamp 42 to drive the front end of the plate to move at the same speed of extrusion of the plate from the extrusion die head 5 along the path of the drawing driving rail 2 under the limit of the plurality of drawing driving rails 2 to the end far away from the extrusion die head 5; the auxiliary traction mechanism 6 is further included, the auxiliary traction mechanism 6 comprises a containing cabin 61 and a plurality of auxiliary traction units 62, and one auxiliary traction unit 62 is moved out of the containing cabin 61 at regular intervals; after any auxiliary drawing unit 62 is removed from the interior of the accommodation chamber 61, the auxiliary drawing unit 62 can be fixedly connected with the sheet material currently passing directly above the output end of the accommodation chamber 61 by a plurality of auxiliary suction cups 621, and the auxiliary drawing unit 62 can be moved at the same speed as the speed at which the sheet material is extruded from the extrusion die 5 under the restriction of the plurality of auxiliary drawing rails 3.
When in use, the plate is continuously extruded from the extrusion die head 5 of the plate extruder (the plate is made of polymer resin and the like and is used for manufacturing the wind power blade, and the length of the plate is long because of being used for manufacturing the wind power blade), the front end of the plate is clamped by each plate clamp 42 of the stretching mechanism 4 after being cooled, and when in actual use, the cooling degree of the plate is insufficient, a section of the plate clamped by the plate clamp 42 is removed in the subsequent production process, so that the influence of deformation caused by the clamping force of the plate clamp 42 on the structural strength and the like of the whole plate is avoided; then, the connecting seat 41 can drive each plate clamp 42 to drive the front end of the plate to move at the same speed when the plate is extruded from the extrusion die head 5 along the path of the plurality of stretching driving tracks 2 under the limit of the plurality of stretching driving tracks 2, so as to pull the front end of the plate to move through the plate clamp 42 and match the extrusion speed of the extrusion die head 5, finish continuous stretching production operation of the stretching plate for manufacturing the wind power blade, ensure that the continuously produced plate can move along the limiting path of the plurality of stretching driving tracks 2 under the limit of the plurality of stretching driving tracks 2, and ensure that the tracks limited by the plurality of stretching driving tracks 2 are linear under the normal condition, thereby ensuring that the plate produced by the stretching operation can be produced along the straight line under the clamping traction of each plate clamp 42 and ensuring the straight line shape of the produced plate; when the plate drawing device is used, an auxiliary drawing unit 62 is moved out of the accommodating cabin 61 at regular intervals, after any auxiliary drawing unit 62 is moved out of the accommodating cabin 61, the auxiliary drawing unit 62 can be fixedly connected with a plate which is directly above the output end of the accommodating cabin 61 through a plurality of auxiliary suckers 621, so that the middle part of the plate with a longer length is lifted under the action of the auxiliary drawing unit 62, the bottom end of the middle part of the plate is prevented from sagging due to the action of gravity, the sagging deformation of the plate produced by the drawing operation due to the action of gravity is avoided when the plate is not completely cooled, the bottom surface of the plate produced by the drawing operation is ensured to be positioned on the same plane, and the shape of the plate is effectively ensured; and the auxiliary traction units 62 can move at the same speed when the plates are extruded from the extrusion die head 5 under the limit of the auxiliary stretching tracks 3, so that the auxiliary traction units 62 can synchronously move along with the local plates which are temporarily connected and fixed at present, so that the plates are prevented from being damaged due to relative sliding, and each auxiliary traction unit 62 can stably lift each part of the plates in the whole production process of the plates, avoid deformation of the plates and ensure the rigidity of the plates.
Further, referring to fig. 1 to 3, the plurality of stretching driving rails 2 and the plurality of auxiliary stretching rails 3 are arranged in parallel, and the plurality of stretching driving rails 2 and the plurality of auxiliary stretching rails 3 are arranged at intervals and staggered along a conveying direction perpendicular to the conveying frame 1; the auxiliary traction mechanism 6 further comprises a plurality of hidden rails 63, the starting ends of the plurality of auxiliary stretching rails 3 extend into the accommodating cabin 61, and each hidden rail 63 is communicated with the starting end of one auxiliary stretching rail 3.
Therefore, in use, through the parallel arrangement between the plurality of stretching driving rails 2 and the plurality of auxiliary stretching rails 3, the traction direction of the stretching mechanism 4 on the plate and the moving direction of each auxiliary stretching unit 62 after lifting the plate are kept the same, the linear production of the plate is effectively ensured, and through the staggered arrangement of the plurality of stretching driving rails 2 and the plurality of auxiliary stretching rails 3 at intervals, the mutual interference generated by the operation between the stretching mechanism 4 and each auxiliary stretching unit 62 is avoided, the plate can be effectively subjected to the pultrusion operation, meanwhile, the starting ends of the plurality of auxiliary stretching rails 3 extend into the accommodating cabin 61, each hidden rail 63 is communicated with the starting end of one auxiliary stretching rail 3 respectively, so that each auxiliary stretching unit 62 can enter the inside of each auxiliary stretching rail 3 under the guidance of the hidden rail 63, and the lifting of the middle part of the plate is completed under the limiting action of each auxiliary stretching rail 3.
Further, referring to fig. 1-6, a plurality of sliding connection blocks 411 are disposed at the top end of the connection seat 41, each sliding connection block 411 corresponds to one stretching driving track 2, and each sliding connection block 411 is embedded into the corresponding stretching driving track 2; sliding wheels 412 are arranged on two sides of each sliding connection block 411, and the outer surfaces of the sliding wheels 412 are attached to the inner walls of the corresponding stretching driving tracks 2; when the slide connection blocks 411 slide under the restriction of the tension driving rails 2, the sliding wheels 412 at both sides of the slide connection blocks 411 can roll inside the corresponding tension driving rails 2.
The tail end of the conveying frame 1 is provided with a traction driving mechanism 7, the traction driving mechanism 7 comprises a steel cable winding machine 71 and a plurality of steel cables 72, and the steel cables 72 are synchronously wound by the steel cable winding machine 71; a plurality of traction fixing bolts 413 are arranged on one side of the connecting seat 41 away from the extrusion die head 5, and each steel cable 72 is fixed with one traction fixing bolt 413; the steel cable winding machine 71 can synchronously wind each steel cable 72 to drive the whole connecting seat 41 to drive each plate clamp 42 to drive the front end of the plate to move at the same speed when the plate is extruded from the extrusion die head 5 under the limit of a plurality of stretching driving tracks 2.
Each plate clamp 42 comprises an outer jacket clamp 421 and a movable clamp plate 422, the outer jacket clamp 421 comprises an upper clamp plate 4211 and a lower clamp plate 4212, and the outer jacket clamp 421 is movably connected with the upper clamp plate 4211 through a plurality of pressing springs 423; the plate material front end can be pressed and fixed between the movable clamp 422 and the lower clamp 4212 by the elastic force provided by the pressing spring 423.
The center of the upper surface of the movable clamping plate 422 is also provided with a limit bolt 424, the limit bolt 424 penetrates through the upper clamping plate 4211, the limit bolt 424 is rotationally connected with the movable clamping plate 422, the limit bolt 424 is in threaded connection with the upper clamping plate 4211, and the distance between the movable clamping plate 422 and the lower clamping plate 4212 can be adjusted by rotating the limit bolt 424.
Therefore, when the movable clamping plate 422 and the lower clamping plate 4212 are clamped together, the plurality of pressing springs 423 can output elastic force to the movable clamping plate 422 when the movable clamping plate 422 and the lower clamping plate 4212 are used, higher pressing force is provided for the plate, serious damage to the plate which is not completely solidified can be avoided to a certain extent due to the elastic force, the plate can be effectively clamped and fixed through each plate clamp 42, then under the action of the steel cable winding machine 71, the steel cable winding machine 71 synchronously winds each steel cable 72, the movable end of the steel cable 72 is fixed between the traction fixing bolt 413 and the connecting seat 41, the linear speed of the steel cable 72 of the winding machine 71 is the same as the extrusion speed of the plate from the extrusion die head 5, so that the whole connecting seat 41 drives the front end of the plate to move to the side far away from the extrusion die head 5 at the same extrusion speed of the plate from the extrusion die head 5 under the limit of the plurality of stretching driving tracks 2, the production operation of stretching extrusion is completed, and in practical use, and the corresponding driving tracks 2 are attached between the inner surfaces of the sliding wheels 412 and the corresponding driving tracks 2; when the sliding connection blocks 411 slide under the limitation of the stretching driving track 2, the sliding wheels 412 on two sides of the sliding connection blocks 411 can roll in the corresponding stretching driving track 2, so that the sliding friction of the sliding connection blocks 411 in the corresponding stretching driving track 2 can be effectively converted into the rolling friction of the sliding wheels 412, the friction damage of each sliding connection block 411 and the stretching driving track 2 is effectively reduced, and the service life is prolonged.
Further, referring to fig. 1-3 and 7-9, each auxiliary traction unit 62 includes a driving connection frame 622, at least one auxiliary driving component 623 and at least one sliding limiting component 624 are disposed at the bottom end of the driving connection frame 622, the total number of the auxiliary driving components 623 and the sliding limiting components 624 is consistent with the number of the auxiliary stretching tracks 3, and each auxiliary driving component 623 and each sliding limiting component 624 are respectively embedded into each auxiliary stretching track 3.
The auxiliary driving assembly 623 comprises a driving motor 6231 and a plurality of driving wheels 6232 connected to the output end of the driving motor 6231, wherein the outer surfaces of the driving wheels 6232 are respectively attached to the inner walls of the corresponding auxiliary stretching tracks 3; the sliding limiting assemblies 624 comprise a plurality of limiting wheels 6241, and the outer surfaces of the limiting wheels 6241 are attached to the inner walls of the corresponding auxiliary stretching tracks 3; the driving motor 6231 of the auxiliary driving assembly 623 outputs power to drive each driving wheel 6232 to roll inside the corresponding auxiliary stretching rail 3, and each limiting wheel 6241 rolls inside the corresponding auxiliary stretching rail 3 synchronously.
An air supply pipeline 625 is erected in the driving connecting frame 622, each air supply pipeline 625 is communicated with each auxiliary sucker 621, and the connecting pipe of each auxiliary sucker 621 and the air supply pipeline 625 can stretch and retract; after the auxiliary traction unit 62 is removed from the interior of the accommodating chamber 61, a negative pressure is supplied to each auxiliary suction cup 621 through the air supply pipe 625, and each auxiliary suction cup 621 is fixedly connected with a plate material directly above the output end of the accommodating chamber 61 under the action of the negative pressure (particularly, in actual use, the length of a connecting pipe between each auxiliary suction cup 621 and the air supply pipe 625 can be controlled by an electric telescopic rod, so that an interference effect can not be generated between the auxiliary suction cup 621 and the inner wall of the accommodating chamber 61 when the interior of the accommodating chamber 61 is accommodated).
The number of auxiliary traction units 62 accommodated in the accommodation compartment 61 is n, and the time interval t for each auxiliary traction unit 62 to be removed from the interior of the accommodation compartment 61 is related to both the total length L of the sheet material and the speed v at which the sheet material is extruded from the extrusion die 5, and the time interval t for each auxiliary traction unit 62 to be removed from the interior of the accommodation compartment 61 satisfies t=l/(n+1) v.
Thus, when in use, after the former auxiliary traction unit 62 is moved out of the accommodating cabin 61, the latter auxiliary traction unit 62 is moved to the outlet of the accommodating cabin 61, and the time interval t for each auxiliary traction unit 62 to be moved out of the accommodating cabin 61 satisfies t=l/(n+1) v, so that the plates can be lifted uniformly by each auxiliary traction unit 62, and the stress uniformity of the plates is ensured;
in actual use, the lengths of the connecting pipes of the auxiliary suckers 621 and the air supply pipeline 625 are controlled through the electric telescopic rods, so that after the auxiliary traction units 62 are moved out of the accommodating cabin 61, the lengths of the connecting pipes of the auxiliary suckers 621 and the air supply pipeline 625 can be prolonged under the action of the electric telescopic rods, and upward lifting acting force is generated under the action of the electric telescopic rods, and the auxiliary traction units 62 can stably lift the plate produced by the pulling and pressing at the same speed as the plate is extruded from the extrusion die head 5 under the limit of the auxiliary stretching rails 3 in the process of moving to the side far away from the extrusion die head 5, so that deformation of the plate which is not completely cooled and solidified due to the action of gravity is avoided;
and when in use, the auxiliary traction unit 62 moves to output power through the driving motor 6231 of the auxiliary driving component 623, each driving wheel 6232 can be driven to roll in the corresponding auxiliary stretching track 3, each limiting wheel 6241 also rolls in the corresponding auxiliary stretching track 3 synchronously, sliding friction is reduced through rolling while moving, abrasion of each auxiliary stretching track 3 is avoided, the movement speed change of each auxiliary traction unit 62 caused by different abrasion degrees can be prevented, the stability of lifting the plate is effectively ensured, the stress of the plate in the pultrusion production cooling process is improved uniformly, and deformation of the plate is avoided.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A pultruded panel production apparatus for manufacturing wind turbine blades, comprising: the conveying machine comprises a conveying machine frame (1), wherein the conveying machine frame (1) comprises a stretching track frame (11) and an auxiliary track frame (12), a plurality of stretching driving tracks (2) are hung on the lower surface of the stretching track frame (11), and a plurality of auxiliary stretching tracks (3) are paved on the upper surface of the auxiliary track frame (12);
the device comprises a plate extruding die head (5) and a stretching mechanism (4), and is characterized by further comprising a connecting seat (41) and a plurality of plate clamps (42), wherein the front end of a plate output from the extruding die head (5) of the plate extruding machine can be clamped by the plurality of plate clamps (42), the connecting seat (41) can drive the front end of the plate to move at the same speed as the extrusion speed of the plate from the extruding die head (5) along the path of the stretching driving rail (2) under the limit of the plurality of stretching driving rails (2);
the device also comprises an auxiliary traction mechanism (6), wherein the auxiliary traction mechanism (6) comprises a containing cabin (61) and a plurality of auxiliary traction units (62), and one auxiliary traction unit (62) is moved out of the containing cabin (61) at regular intervals;
after any auxiliary traction unit (62) moves out of the accommodating cabin (61), the auxiliary traction units (62) can be connected and fixed with a plate material which passes through the position right above the output end of the accommodating cabin (61) through a plurality of auxiliary suckers (621), and the auxiliary traction units (62) can move at the same speed of the plate material extruded from the extrusion die head (5) under the limit of a plurality of auxiliary stretching tracks (3).
2. A pultruded panel production apparatus for manufacturing wind power blades according to claim 1, wherein: the stretching driving rails (2) and the auxiliary stretching rails (3) are arranged in parallel, and the stretching driving rails (2) and the auxiliary stretching rails (3) are arranged at intervals in a staggered manner along the conveying direction perpendicular to the conveying direction given by the conveying rack (1);
the auxiliary traction mechanism (6) further comprises a plurality of hidden tracks (63), the starting ends of the auxiliary stretching tracks (3) extend into the accommodating cabin (61), and each hidden track (63) is communicated with the starting end of one auxiliary stretching track (3) respectively.
3. A pultruded panel production apparatus for manufacturing wind power blades according to claim 1, wherein: the top end of the connecting seat (41) is provided with a plurality of sliding connecting blocks (411), each sliding connecting block (411) corresponds to one stretching driving track (2), and each sliding connecting block (411) is embedded into the corresponding stretching driving track (2);
sliding wheels (412) are arranged on two sides of each sliding connecting block (411), and the outer surfaces of the sliding wheels (412) are attached to the inner walls of the corresponding stretching driving tracks (2);
when the sliding connection blocks (411) slide under the limit of the stretching driving tracks (2), the sliding wheels (412) on two sides of the sliding connection blocks (411) can roll inside the corresponding stretching driving tracks (2).
4. A pultruded panel production apparatus for manufacturing wind power blades according to claim 3, characterized in that: the tail end of the conveying frame (1) is provided with a traction driving mechanism (7), the traction driving mechanism (7) comprises a steel cable winding machine (71) and a plurality of steel cables (72), and the steel cables (72) are synchronously wound by the steel cable winding machine (71);
a plurality of traction fixing bolts (413) are arranged on one side, far away from the extrusion die head (5), of the connecting seat (41), and each steel cable (72) is fixed between one traction fixing bolt (413);
the steel cable winding machine (71) can synchronously wind each steel cable (72) to drive the whole connecting seat (41) to move at the same speed as the speed of extruding the plate from the extrusion die head (5) by driving each plate clamp (42) under the limit of a plurality of stretching driving tracks (2).
5. A pultruded panel production apparatus for manufacturing wind power blades according to claim 4, wherein: each plate clamp (42) comprises an outer sleeve clamp (421) and a movable clamp plate (422), the outer sleeve clamp (421) comprises an upper clamp plate (4211) and a lower clamp plate (4212), and the outer sleeve clamps (421) are movably connected with the upper clamp plate (4211) through a plurality of pressing springs (423);
the front end of the plate material can be pressed and fixed between the movable clamping plate (422) and the lower clamping plate (4212) through the elastic force provided by the pressing spring (423).
6. A pultruded panel production apparatus for manufacturing a wind turbine blade according to claim 5, wherein: the movable clamp plate (422) upper surface center still is provided with spacing bolt (424), spacing bolt (424) run through upper clamp plate (4211), spacing bolt (424) with rotate between movable clamp plate (422) and be connected, spacing bolt (424) with upper clamp plate (4211) threaded connection, through rotating spacing bolt (424) can be adjusted distance between movable clamp plate (422) and lower clamp plate (4212).
7. A pultruded panel production apparatus for manufacturing wind power blades according to claim 1, wherein: each auxiliary traction unit (62) comprises a driving connecting frame (622), at least one auxiliary driving component (623) and at least one sliding limiting component (624) are arranged at the bottom end of the driving connecting frame (622), the total number of the auxiliary driving components (623) and the sliding limiting components (624) is consistent with the number of the auxiliary stretching rails (3), and each auxiliary driving component (623) and each sliding limiting component (624) are embedded into each auxiliary stretching rail (3) respectively.
8. A pultruded panel production apparatus for manufacturing a wind turbine blade according to claim 7, wherein: the auxiliary driving assembly (623) comprises a driving motor (6231) and a plurality of driving wheels (6232) connected to the output end of the driving motor (6231), and the outer surfaces of the driving wheels (6232) are attached to the inner walls of the corresponding auxiliary stretching tracks (3);
the sliding limiting assemblies (624) comprise a plurality of limiting wheels (6241), and the outer surfaces of the limiting wheels (6241) are attached to the inner walls of the corresponding auxiliary stretching tracks (3);
the driving motor (6231) of the auxiliary driving assembly (623) outputs power to drive each driving wheel (6232) to roll in the corresponding auxiliary stretching track (3), and each limiting wheel (6241) rolls in the corresponding auxiliary stretching track (3) synchronously.
9. A pultruded panel production apparatus for manufacturing a wind turbine blade according to claim 8, wherein: an air supply pipeline (625) is arranged in the driving connecting frame (622), each air supply pipeline (625) is communicated with each auxiliary sucker (621), and connecting pipes of each auxiliary sucker (621) and the air supply pipeline (625) can stretch;
after the auxiliary traction unit (62) is moved out of the accommodating cabin (61), negative pressure is provided for each auxiliary sucker (621) through the air supply pipeline (625), and each auxiliary sucker is fixedly connected with a plate which is directly above the output end of the accommodating cabin (61) at present under the action of the negative pressure.
10. A pultruded panel production apparatus for manufacturing wind power blades according to claim 1, wherein: the number of auxiliary traction units (62) accommodated by the accommodating cabin (61) is n, and the time interval t for each auxiliary traction unit (62) to be removed from the interior of the accommodating cabin (61) is related to the total length L of the sheet material and the extrusion speed v of the sheet material from the extrusion die head (5);
the time interval t during which each auxiliary traction unit (62) is removed from the interior of the accommodation compartment (61) satisfies L/(n+1) v.
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