CN104640687A - Apparatus for composite tape dispensing - Google Patents
Apparatus for composite tape dispensing Download PDFInfo
- Publication number
- CN104640687A CN104640687A CN201280075164.XA CN201280075164A CN104640687A CN 104640687 A CN104640687 A CN 104640687A CN 201280075164 A CN201280075164 A CN 201280075164A CN 104640687 A CN104640687 A CN 104640687A
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- CN
- China
- Prior art keywords
- mould
- tape
- preimpregnation
- balladeur train
- bobbin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/386—Automated tape laying [ATL]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0872—Prepregs
Abstract
An apparatus (10) to apply a resin impregnated tape to the surface (64) of a molding tool (60), the apparatus including: an upper frame (12) rotatably mounted to a base frame (14), the upper frame having mounted thereon and rotatable therewith a spool holding assembly (16) for holding a spool (80) of resin impregnated tape and a spool (224) of scrim material wound thereon, a tape compaction assembly (18) including a compaction roller (48) configured to conform to the surface of the molding tool for compacting the resin impregnated tape onto the surface of the molding tool, and a tape tensioning system (38) for exerting tension on the resin impregnated tape. The base frame includes a tracking system (20) for tracking the surface of the molding tool, the base frame being reciprocally movable with respect to the surface of the molding tool.
Description
Technical field
The present invention relates to a kind of device for distributing compound tape, particularly relating to a kind of device for accurately laying preimpregnation tape.Preimpregnation thing can be routed on molded structure by this device, and wherein this molded structure has linearly or the contour surface of non-directional route or flat surfaces.
Background technology
In complex technique, resin prepreg web or tape can be used for building the particular elements expected.Preimpregnation material by be soaked with in advance polymer, aim at reinforcing fiber (being generally carbon fiber, glass fibre or aramid fiber) forms, and be used as composite construction be molded in intermediate products.These fibers are often calibrated with check configuration, and this check configuration forms the band strip-shaped product that width is generally 12 to 60 inches (30.5 to 152.4cm).
Composite construction is made up of multiple pantostrats of the tape being applied to working face, and such as, working face is such as mould, mandrel or any surface for the formation of composite component.Such as, when building compound wind blade, wind blade trusses or wings with preimpregnation tape, the preimpregnation tape of length longer (being namely greater than 40 meters) is accurately routed on mould by pole.For realizing required recombination property, accurate filament (filament) is needed to aim at.In addition, for making to cause the entrapped air volume in the space in the laminated product that solidified minimum, need evenly to compress preimpregnation tape during lamination is built.The very slight misalignment of the orientation of fiber can cause the heavy losses of crucial engineering properties.Such as, the deviation in orientation of 5 to 10 degree can cause the loss of 10% to 20% of complex elastic-modulus.Space in composite members also can cause low recombination property.In length of life, the space being greater than 2% can cause the significantly sacrificing of interlaminar shear strength and can become the damage growth position of composite members.
Compound wind blade trusses is generally the front laminate of varied in thickness, and such as, thickness is from approximate 0.1 inch (0.25cm) to more than 1.5 inches (3.81cm).They are laid usually from smooth to the concave curvature of change or the molded surface of convex curvature.Such as, wind blade trusses can be the smooth and root bending of taper.Such structure is also for extreme preimpregnation tape of accurately laying adds complexity.Manually laying these trusses with preimpregnation tape is very difficulties and consuming time, and ensures that accuracy is more difficult.Extreme the substituting of manual laying relates to the automatic tape laydown machine of use.Such machine has been developed and has exceeded Two decades years, is mainly used for space structure.But these machines are designed to pole accurately lays preimpregnation tape, these machines are very expensive and too complicated for wind blade trusses.
Summary of the invention
The present invention relates to a kind of device, it can lay wide preimpregnation product for the structure with face incurvature, obviously reduces the corrugation effect on internal diameter simultaneously.
In a scheme of the present invention, provide a kind of device, for resin-dipping tape being applied to the surface of mould, this device comprises: upper frame, rotatably be installed to base frame, upper frame has bobbin (spool) that is mounted thereto and that can rotate with it and keeps assembly, and bobbin keeps the bobbin of assembly for keeping wound thereon to have resin-dipping tape; Tape holds down assembly, and comprises hold-down roller, and hold-down roller is configured to be obedient to (conform, in accordance with, meet) surface of mould, so that resin-dipping tape is pressed onto on the surface of mould, and tape clamping system, for applying tension force to resin-dipping tape.Base frame comprises: tracing system, and for following the trail of the surface of mould, base frame reciprocally can move relative to the surface of mould.
In one embodiment, bobbin keeps assembly to comprise alignment system, and alignment system is used for the bobbin laterally aiming at preimpregnation tape relative to the surface of mould.
In one embodiment, hold-down roller comprises the multiple connected disk be supported on wheel shaft, and the center bore of disk is greater than the external diameter of wheel shaft.
In one embodiment, upper frame rotates at least 180 ° in base frame, changes direction to allow the applying of resin-dipping tape on the surface of mould.This device also can comprise the turntable being connected to upper frame and base frame, rotates in base frame to allow upper frame.
In one embodiment, tape clamping system comprises driving disk brake.Disk actuator can manually or automatically drive.
In one embodiment, mould comprises at least one track, and tracing system comprises at least two guide reels engaging this at least one track.
The surface of mould can comprise at least one concave profile and at least one convex profile.
In one embodiment, the width of the resin-dipping tape of mould is applied in about 11.5 inches (292mm) scope to about 60 inches (152.4cm).
In another scheme of the present invention, this device also comprises rip cutting device, and rip cutting device is used for resin-dipping tape to be lengthways cut into multiple band, and rip cutting device to be arranged on upper frame and can to rotate with upper frame.Rip cutting device can comprise multiple fixed cutting tool or rotary cutter.
In one embodiment, the band of these resin-dipping tapes is consistent.In another embodiment, the width of the band of these resin-dipping tapes is inconsistent.
In one embodiment, this device also comprises multiple accumulator roller, accumulator roller is arranged on the downstream of rip cutting device, each accumulator roller all can be gone a part for the corresponding band of (removing) accumulation resin-dipping tape with Cumulate Sum by discrete actuation, accumulator roller to be arranged on upper frame and can to rotate with upper frame.
In one embodiment, this device also comprises controller, and controller is configured at least one item controlling the following: the placement of resin-dipping tape on the surface of mould; The tension force that clamping system applies tape; Be applied to the direction of the tape of mould surface; And be applied to the speed of tape of mould surface.
A kind of balladeur train is provided in a scheme of the present invention, for resin-dipping web being applied to the contour surface of mould, balladeur train comprises: upper frame, be arranged in base frame, upper frame has mounted thereto: the first bobbin keeps assembly, for the bobbin keeping wound thereon to have resin-dipping web, the second bobbin keeps assembly, for being provided with the bobbin of scrim material above keeping; Web holds down assembly, and comprises hold-down roller, and hold-down roller is configured to recess and the protuberance on the surface of being obedient to mould, so that resin-dipping web is pressed onto on the surface of mould, and web tension system, for applying tension force to resin-dipping web.Base frame comprises: multiplely take turns, and to be arranged in base frame and support carriages, wheel engages with the surface of mould, with the contour surface propelling balladeur train along wind blade trusses cap (spar cap) mould; And tracing system, for following the trail of the surface of mould, balladeur train reciprocally can move relative to the profile on the surface of mould.
In one embodiment, balladeur train also comprises folder portion, and one deck scrim material of the bobbin from scrim material before on surface resin-dipping web being pressed on mould, is combined with resin-dipping web by folder portion.
Accompanying drawing explanation
In the accompanying drawings, similar Reference numeral represents similar parts or feature:
Fig. 1 is according to an embodiment of the invention for laying the stereogram of the device of preimpregnation tape;
Fig. 2 is the top view of the device of Fig. 1;
Fig. 3 is the front view of device with the bobbin of preimpregnation material mounted thereto of Fig. 1;
Fig. 4 is the side view of device with the bobbin of preimpregnation material mounted thereto of Fig. 1;
Fig. 5 is the stereogram of the embodiment of the device for laying preimpregnation tape according to the present invention when being placed on mould;
Fig. 6 is the front view of the device of Fig. 5;
Fig. 7 is the stereogram of the device of Fig. 5, it illustrates the rotary motion of upper frame;
Fig. 8 is the stereogram of the device for laying preimpregnation tape, and this device comprises tape according to an embodiment of the invention and cuts and allocation component;
The side view of the device of Fig. 9 Fig. 8;
Figure 10 is the top view of the device of Fig. 8;
Figure 11 is the amplification plan view of the clamping system of the device of Fig. 8;
Figure 12 is the side sectional view of the bobbin with preimpregnation material mounted thereto of the device of Fig. 8;
Figure 13 is the stereogram of the tape alignment components of the device of Fig. 8;
Figure 14 is the upward view of the tape positioning component of the device of Fig. 8;
Figure 15 A is the schematic diagram that the preimpregnation tape using conventional apparatus linearly to distribute is shown;
Figure 15 B is the schematic diagram that the preimpregnation tape using conventional apparatus to distribute along non-rectilinear direction is shown;
Figure 16 is that display uses conventional apparatus to be distributed in the photo of the preimpregnation tape on curved surface;
Figure 17 is according to the stereogram comprising the embodiment of the device of Ji Bu (scrim) allocation component of the present invention.
Detailed description of the invention
Device of the present invention is useful for formation straticulate structure, and this straticulate structure is by will be applied on the surface of mould, mandrel or instrument with the tape of the continuous fiber of resin binder pre-preg.This fiber can be made up of carbon, glass, pottery, metal and/or polymer.Resin binder can be thermosetting or thermoplastic resin.
In a scheme of the present invention, provide a kind of for laying device that is wide, unidirectional preimpregnation tape for a structure (particularly wind blade).This device comprises bobbin holder, and bobbin holder removably keeps the bobbin of the continuous web of the preimpregnation material of wider width.This device comprises the mechanism be suitably placed on by preimpregnation thing on the surface of mould.In addition, this device comprises for two-way tape placement and compress, rotatably mounted preimpregnation tape placing modules.
The width of preimpregnation tape product is usually in about 11.5 inches (292mm) scope to about 60 inches (152.4cm).In one embodiment, the width of preimpregnation tape is about 12 inches (30.5cm) to about 60 inches (152.4cm), or about 11.5 inches (292mm) to about 15.75 inches (400mm).Generally speaking, it is beneficial that use wider preimpregnation tape, thus increase the laying speed of preimpregnation tape, therefore increase production efficiency.Utilize device of the present invention, can place by providing two-way tape and compress and increase throughput rate further.The applying of preimpregnation material on mould along forward and can be reversed.
Referring to figs. 1 through Fig. 3, in one embodiment of the invention, preimpregnation tape laying apparatus is balladeur train 10, and this balladeur train comprises the upper frame 12 be rotatably installed in base frame 14.Preimpregnation thing bobbin keeps assembly 16 and holds down assembly 18 being arranged on upper frame 12.Base frame 14 comprises tracing system 20 to be accurately placed on the surface of mould by preimpregnation material.
Multiple bobbin support parts 24 that bobbin keeps assembly 16 to comprise spindle 22 and be arranged on spindle 22.Bobbin support part 24 comprises multiple rapid adjustment pin 26, and the inside of described rapid adjustment pin contacts preimpregnation thing bobbin core is to make bobbin 80 placed in the middle on spindle 22.Bobbin keeps assembly 16 to make preimpregnation bobbin rapidly change (change-out) and location can be carried out.Spindle 22 is supported by the multiple truss 28 on upper frame 12 at each end.
With reference to Fig. 3, balladeur train 10 comprises bobbin navigation system 30, and this bobbin navigation system comprises disk 32 and horizontal adjusting pole 34.In the batch operation of whole preimpregnation thing, bobbin navigation system 30 controls the lateral attitude of the bobbin of the preimpregnation material on balladeur train.Disk 32 is fixed to spindle 22.Disk 32 is positioned between multiple arms of U-shaped support 34.The liner 36 being connected to each arm of support 36 contacts disk 32.Use position fixing handle 31, by transverse moving support 34 as required between tape allotment period, slight lateral (namely perpendicular to the applying direction of the tape) adjustment of the aligning of preimpregnation tape can be carried out.
Balladeur train 10 comprises clamping system 38, and this clamping system is used for maintaining in distributes the tension force acting on the suitable grade of preimpregnation material.Frictional force adjuster 40 applies pressure in distributes to the disk 32 in support 34 and liner 36, to produce the baseline resistance of the rotation to preimpregnation roller.Such adjuster 40 both can be manually operated, also can be feedback based on tension force monitoring sensor (not shown) and automatic operation.
Clamping system 38 comprises spring loaded arm 42, and spring loaded arm provides the measurement to the tension force acting on preimpregnation tape.The fuctuation within a narrow range of the power that spring 44 acts on spring loaded arm 42 also balancing force, this fuctuation within a narrow range is the propelling being distributed balladeur train 10 by preimpregnation, and when preimpregnation material is distributed from bobbin, diameter change causes.(not shown) in one embodiment, clamping system also can comprise the multiple sensors for tension force monitoring and adjustment.Preimpregnation tape is orientated as the surface of close mould by the jockey pulley 47 being attached to transverse bar 46, thinks that compaction step is prepared.
Time on the surface that preimpregnation material is assigned to mould, holding down assembly 18 act as and is pressed down by preimpregnation material.No matter mould surface, for reversing or bending, holds down assembly and all applies thrust.The mode that hold-down roller 48 is pressed together with the flat surfaces of these disks by the disk 50 that is multiple thin, heavy, that be connected on horizontal wheel shaft 52 forms.The center-hole diameter of disk 50 is greater than the diameter of wheel shaft 52.Disk 50 friction had on the face of polishing and/or the face of disk reduces medium to make all energy self-movements of each disk.These heavy disks 50 can vertically movement, makes the edge of each disk all contact preimpregnation material to provide compression (effect).Last disk near every one end be multiple retention elements 54 on wheel shaft 52, described retention element maintains the lateral attitude of disk 50 and is around the rotation of wheel shaft and the translation perpendicular to wheel shaft 52 by their movement limit.Hold down assembly 18 Swing Arm 56 be pivotably mounted on upper frame 12 at pivotal point 58 place.Hold down assembly 18 rotary motion make operator can not left preimpregnation tape by the rise that will do not held down assembly during use holding down assembly.Hold down assembly and 18 optionally comprise multiple further feature, these features comprise the roller of multiple flexible polyurethane or pneumatic shaping and multiple " finger "/arm (not shown) of spring or pneumatically loading.
With reference to Fig. 4, along with preimpregnation material 82 from bobbin 80 by unwinding, preimpregnation material, through modified roller 43, is then orientated as the surface near mould by jockey pulley 47.Balladeur train 10 strides across the surface of mould along arrow indicated direction and advances.Hold down assembly and 18 to be lowered, make hold-down roller 48 contact preimpregnation tape 82 and apply compaction pressure preimpregnation tape 82 to be pressed onto the surface of mould 60.
With reference to Fig. 5 and Fig. 6, by being arranged in the wheel 70 on each angle, four angles of base frame 14, balladeur train 10 can move above the surface 64 of mould 60.Balladeur train 10 can be self-propelled, such as, uses the self-propelled of motor (not shown).In one embodiment, balladeur train 10 is guided by the track 62 be positioned at along the surface of mould 60.
In an illustrated embodiment, multiple component integration of the tracing system 20 of balladeur train 10 in balladeur train 10, and coordinate the correct placement to ensure preimpregnation tape with the structure of mould 60.Usually, this cooperation concentrates on the special characteristic of final composite construction.Exemplarily, the point on the surface of the center line contact mould 60 of wind blade trusses cap can be used as " key feature ".Tracing system 20 keeps preimpregnation thing to distribute the exact position of balladeur train relative to key feature.As shown in Figures 5 to 7, multiple parts of tracing system 20 can be embedded in guide rail 62 in mould surface 64 or independent, and this guide rail is positioned on the edge of the planar portions 68 of the mould of the either side of the central recess 66 of mould 60.
Tracing system 20 comprises at least one pair of guide reel 72, and described guide reel is arranged on the end of at least one in multiple leg 74 of the base frame 14 of balladeur train, and close to wheel 70.This is spaced to guide reel 72, makes the both sides of their engagement rail 62 and axis along track 62 is advanced.The second leg 74 that the second pair of guide reel 72 can be arranged on the same side of base frame takes turns 70 close to second.Guide reel 72 coordinates the limited position providing balladeur train 10 with mould; There is provided the torsion of balladeur train 10, being mirror image with the torsion of mould 60; And keep the whole length of balladeur train 10 along mould and the contact of mould 60.Multiple tracking guide reel 72 also contributes to eliminating deviating from (pull-off) of the balladeur train advancing the power needed for balladeur train to cause along mould.
In one alternate embodiment, one or more track is positioned at the below of mould, instead of on the surface of mould.In another embodiment, independent track is not used to carry out guide carriage.Alternatively, mould surface itself comprises the key feature followed the trail of by balladeur train, thus ensures the correct placement of preimpregnation material.
Along with tape is placed (deposit) on mould, hold-down roller 48 passes through the end face of the structural composite members of contact laminating, to prepreg tape row replacement Compressive forces.The hold-down roller 48 be made up of multiple disk 50 that is thin, heavy, that be connected can be obedient to the profile on the surface of mould 64, especially can be obedient to the recess 66 of mould, thus reduce trend wrinkling when tape is applied to concave surface (or convex surface) portion of mould surface.By hold-down roller 48, preimpregnation tape can be applied to the region of the vicissitudinous recessed curvature of tool, the region of the vicissitudinous convex curvature of tool and the mould surface of flat site.Preimpregnation tape can also be applied in mould surface along non-directional route.
With reference to Fig. 7, upper frame 12 is rotatably fixed in base frame 14 by turntable 76, and this turntable can, when not removing distribution balladeur train 10 from mould 60, make preimpregnation material revolve turnback.In batch operation, turntable 76 makes preimpregnation material can through the center of device 10.Locking component 78 stops upper frame 12 relative to the rotary motion of base frame 14 when engaged, and sets up the tram of preimpregnation thing bobbin for all directions of distributing on mould 60.
Device of the present invention also can comprise for guiding preimpregnation thing to lay with the device ensureing in check fiber alignment.The operation of carriage assembly 10 can be controlled by controller (not shown).Such as, balladeur train can be connected to controller, the direction that controller is configured to control tension force on the placement of preimpregnation tape, tape, preimpregnation tape is applied to the surface of mould and the speed that preimpregnation tape is laid.
Carriage assembly 10 can apply preimpregnation material tape from the either end of mould 60, and can according to predetermined synusia position (ply location) start and stop.Cutter can be used for surface trimming synusia.In one embodiment, carriage assembly 10 can comprise the laser aiming part (not shown) for determining synusia position.
In one embodiment, carriage assembly is connected to bobbin loading depot removedly.
In another scheme of the present invention, provide the device that one comprises rip cutting device (slitter) and accumulator, this device can be laid by the band (strip) of the preimpregnation material of wide preimpregnation tape product formation for the structure with face incurvature, obviously reduce the corrugation effect on internal diameter simultaneously.The original width of preimpregnation tape product can in about 12 inches (30.5cm) scope to about 60 inches (152.4cm).
When building composite construction by preimpregnation tape, tape is linearly laid usually.Because tape launches from single bobbin, these fibers can not stretch and can not relative to each other slide in process of deployment.As a result, these preimpregnation tapes can not be routed in the incurvature geometry of face and not produce wrinkling or folding on internal diameter.
With reference to Figure 15 A, the preimpregnation tape 200 using conventional apparatus linearly to distribute has the reinforcing fiber 202 aimed at by many of polymer pre-preg.When tape 200 is applied to smooth straight line surfaces, these tapes are put (lie) smoothly and are not had wrinkling or folding.Figure 15 B shows the preimpregnation tape 200 using conventional apparatus to distribute along non-directional bending direction.Tape 200 is put smoothly along the outward flange 204 of curved surface.But multiple wrinkling 208 are formed along inward flange 206.
Figure 16 is the photo using conventional apparatus the band of preimpregnation thing wide to 7 inches (17.8cm) to be routed to the face inside radius of the curvature of 130 feet (39.6m).Wrinkling and folding 208 high-visible on internal diameter 206.This wrinkling loss producing the orientation of machine direction in this region, and cause the loss of composite machine characteristic.Carbon fiber composite members for the loss of this fiber alignment cause to press loss of strength responsive especially.
With reference to Fig. 8 to Figure 10, show another exemplary embodiment of preimpregnation tape distributor of the present invention.This device comprises movable carriage 10, and this movable carriage comprises bobbin and keeps assembly 16, and this bobbin keeps assembly to be used for the bobbin 80 of the continuous web of the prepreg tape strip material 82 removably keeping wider width.As previously described, the balladeur train 10 of this embodiment comprises the upper frame 12 being rotatably installed to base frame 14.Preimpregnation thing bobbin keeps assembly 16 and holds down assembly 18 being arranged on upper frame 12.Base frame 14 comprises tracing system 20 to be accurately placed on the surface of mould by preimpregnation material.Carriage assembly 10 comprises turntable 76, and this turntable makes upper frame 12 can rotate relative to base frame 14, and the applying of prepreg tape strip material on mould 60 can be carried out along forward direction and backward directions.
Along with preimpregnation material tape 82 from bobbin 80 by unwinding, preimpregnation material tape proceeds to rip cutting device 90 and is slit the band 84 into multiple preimpregnation material at this place.Rip cutting device 90 such as can comprise multiple fixed cutting tool or rotary cutter 92.The quantity of band and the width of single band 84 depend on the non-straight dimension on the surface of the mould 60 of band 84 to be applied.Such as, these bands 84 can be width and unanimously maybe can have different width to adapt to the non-directional route of mould 60.Although relate to mould to the description of device herein, but should be understood that preimpregnation material can be applied to the surface of mould, the surface of mandrel or other surface any for the formation of composite construction in preimpregnation material batch operation.
In another embodiment, band 84, before being wrapped on single bobbin, is slit during the manufacture of wide preimpregnation web.The bobbin 80 of pre-rip cutting band is installed in bobbin subsequently and keeps on assembly 16.
Balladeur train 10 comprises the mechanism of the length difference batched between (take up) single band 84, and this length difference distance is caused by the non-directional route of mould 60.In one embodiment, accumulator 94 is employed.Accumulator 94 comprises multiple roller 96, and the band 84 of each preimpregnation has the roller be associated, and this roller can stretch independently as required and shrink, to process the excess length of the single band caused by the non-directional route on mould 60.Accumulator roller 96 maintains the tension force in single band 84, makes single band 84 be applied to mould 60 smoothly.The stretching, extension of the roller 96 of accumulator 94 and shrink can by the impact of multiple actuators 98 being connected to roller 96.In one embodiment, actuator 98 comprises cylinder.
With reference to Figure 11, balladeur train 10 comprises clamping system 38, and clamping system comprises the actuation disc 32 be fixed on spindle 22, and disk 32 is applied to multiple aerobraking sheets 100 of friction under program.
With reference to Figure 12 and Figure 13, along with preimpregnation material 82 from bobbin 80 by unwinding, preimpregnation material proceeds to rip cutting device 90 and is slit the band 84 into multiple preimpregnation material at this place.Preimpregnation band 84 is advanced on the roller 96 of accumulator 94, and the path of each band is independently controlled as processing any excess length, and this excess length is caused by the non-directional route of the mould 60 of band to be applied.These bands continue to advance to multiple guide reel 102 from accumulator roller 96, and band is orientated as the surface near mould by this guide reel.Hold-down roller 48 contacts preimpregnation band 84 and applies compaction pressure preimpregnation band 84 to be pressed onto the surface of mould 60.The surface of molded surface 60 can comprise the concave surface of the vicissitudinous curvature of tool and/or convex region and/or flat site.Although single preimpregnation band 84 can be non-directional or bending in the path on the surface of mould, device 10 can not have space or almost not have the mode in space to lay band between or band hardly on wrinkling and/or mould wrinkle resistant with preimpregnation nitride layer.
Figure 12 to Figure 14 illustrates the multiple steps being positioned at by tape and mould comprises.Before being slit as band 84, as shown in figure 12, tape 82 is by cable guiding device 104 along tape Route guiding, and rip cutting device 90 is unactivated.Tape 82 is clamped or is remained on the surface of mold tool 60.Rip cutting device 90 is activated subsequently, and balladeur train 10 starts to move forward in (direction of following the arrow), and pull tape 82 is until rip cutting portion (that is, band 84) the extend through hold-down roller 48 of tape.Tape 84 is subsequently by transverse cuts, and balladeur train 10 proceeds to outside road, so the tape just laid can be pulled up and abandon.Balladeur train 10 moves to the starting position of programme controlled next one layer to be applied subsequently, and hold-down roller 48 is lowered to start preimpregnation band 84 to adhere in mould surface 64.Light from this, preimpregnation band 84 is aimed at by the guide reel 102 of (crowned, have hat) accumulator roller 96 of band cap and band cap.When balladeur train 10 is transitioned into the portion of scanning (swept portion) from the straight portion of molded surface 64, or when being transitioned into another from a sweep radius, cross balladeur train 106 is aimed at the center at the center with molded surface that keep tape by the horizontal transfer of cross sledge drive motor 104.In this embodiment, the amount of transfer is pre-entered in the form of controller 112 as bias data point.As web edge sensors 110 detects, this identical cross balladeur train 106 is for moving extra or less distance as required to follow the trail of the tape 82 departing from bobbin 80 by balladeur train.This is done, and thinks do not have the tape of uniform winding on bobbin 80, or for during transportation on bobbin 80 transfer tape certain compensation is provided.
The operation of carriage assembly can be controlled by controller 112.Such as, balladeur train 10 can be connected to controller 112, and controller tension force, preimpregnation tape or the band being configured to control in the placement of preimpregnation tape 82 or band 84, tape or band is applied to the speed that the direction on the surface of mould 60 and preimpregnation tape or band are laid.
Carriage assembly 10 can apply preimpregnation material tape 82 or band from the either end of mould 60, and can the start and stop according to predetermined tape or strip location.Cutter, such as ultrasound knife (not shown), can be used for surface trimming tape or band.In one embodiment, carriage assembly can comprise the laser aiming part for determining tape or band synusia position.
Prepreg tape strip material 82 on bobbin 80 can have the lining or backing layer that adhere to preimpregnation tape 82.In one embodiment, before the single band 84 laying tape 82 or preimpregnation material, the lining of preimpregnation material or backing layer are removed from the downside of preimpregnation web, and are taken up on lining takers-in.(not shown) in one embodiment, preimpregnation material web 82 is included in the lining on the upper surface of web, and this lining was removed before laying web.Carriage assembly also can comprise the device that lining or backing layer for detecting preimpregnation material web are not completely removed.
In one embodiment, carriage assembly 10 is removably connected to bobbin loading depot.
With reference to Figure 17, show another exemplary embodiment of preimpregnation tape distributor of the present invention.This device comprises base cloth allocation component 210, and base cloth allocation component comprises the spindle 212 that two ends support by the mounting bracket 214 on upper frame 12.The bobbin support part 226 be arranged on spindle 212 contacts the inside of the bobbin of scrim material 224.
Just before the laying of preimpregnation material, one deck scrim material 216 can from bobbin 224 by unwinding, and when preimpregnation material 82 from preimpregnation thing bobbin 80 by unwinding time, by by this layer of scrim material 216 and preimpregnation material 82 through nip rolls 218,220, and this layer of scrim material is combined with preimpregnation material.The preimpregnation material 82 it being applied with scrim material forms base cloth strengthening preimpregnation thing 222, and this base cloth strengthening preimpregnation thing is orientated as the surface near mould 60 by jockey pulley 47 subsequently.Along with balladeur train 10 travels across mould 60, hold-down roller 48 contacts base cloth strengthening preimpregnation thing 222 and applies pressure to be pressed onto on the surface of mould 60 by preimpregnation tape.
Just in time before the laying of preimpregnation material, base cloth layer is applied on preimpregnation material, this be applied to the first preimpregnation nitride layer and be laid on subsequently between the second preimpregnation nitride layer on ground floor preimpregnation thing provide an exhaust pathway.The bobbin of scrim material is directly installed on coaster and provides greater flexibility, because always necessary and/or needs use does not have the preimpregnation material of base cloth layer.In some cases, need to lay the preimpregnation nitride layer not having base cloth, and in some other cases, need base cloth to strengthen preimpregnation nitride layer.
Scrim material comprises the yarn with grid or the arrangement of unlimited mesh, and can be made up of any suitable material.The example of thread material comprises thermoplastic yarn, Glass yarn, cellulose-based yarn and aramid yarn.The suitable material of base cloth comprises the combination of polyester (such as PETG and polybutylene terephthalate (PBT) and copolymer etc. thereof), polyamide (such as nylon 6, nylon66 fiber, nylon 10, nylon 11 and nylon 12), polyether sulfone (polyethersulphone), polypropylene, viscose short fiber yarn (viscose staple yarn), a position and p-aramid fiber, glass fibre, jute, flax, cotton and wherein both or many persons.Polyester base fabric material can obtain from market, and such as, from the subsidiary of James Dewhurst, the Dextex Co., Ltd of Georgia (U.S.) obtains.
The number of share of stock of base cloth can in about 40 daniers (denier) be to about 300 daniers or about 50 daniers to about 150 daniers or about 50 daniers to the scope of about 100 daniers.Spacing between warp and parallel can about per inch 1 to per inch 10 (every 2.54cm1 to 10) or approximately per inch 2 in the scope of about per inch 4 (every 2.54cm 2 to 4).In one embodiment, the spacing of warp is per inch 2 (every 2.54cm 2), and the space of parallel is per inch 1 (every 2.54cm 1).
In one embodiment, scrim material is made up of the polyester line with " wavy " or sinuous (straight) warp and parallel continuously.
In another embodiment, scrim material is made up of the polyester fiber with circular cross-section, and this fiber is arranged to 0 °, approximate 3/8 inch (9.53mm) fiber of separating and with the grid of +/-45 °, 15/16 inch of (23.82mm) isolated fiber.Such scrim material can commercially obtain from Bellingroth limited company (Germany), and commodity are called Bafatex.
Example
Fourfold block is configured to the bobbin keeping preimpregnation material, and the external diameter of this preimpregnation material is close to 32 inches (81.3cm), and internal diameter is 12 inches (30.5cm), and length is approximate 1800 feet (549m).By being arranged on supratrochlear multiple fixed cutting tool, the web of 600 mm in width of preimpregnation thing is slit to be 12 width be 2 inches (50.8mm) band.
Approximate three bobbins of preimpregnation material are used to the trusses cap building wind turbine.These bobbins are loaded on coaster by overhead crane or fork lift truck.
By laying narrower preimpregnation band with given radius of curvature, decrease wrinkling problem.The analysis of such problem of shown in following table 1, the radius of curvature of 130 feet (40 meters) being carried out.As visible in such particular analysis, when the width of band is for approximate 2.0 inches (5.0cm), wrinkling area reduces to approximate 8% of the baseline of the preimpregnation band of 24 inches of (61cm) width.
The wrinkling area of tape on 40 meters of radiuses of 600mm width
Although use the preimpregnation product be made up of the band of 2 inches of (5.1cm) width can realize so exemplary laying, the basis of the production of single preimpregnation band and the preimpregnation product of packaging meeting 24 inches of (61.0cm) width on single bobbin increases huge cost.
Device of the present invention and process for wind turbine components construction be useful especially.But this device and process also can be used for, such as, the structural element of aircraft, helicopter, body of a motor car, rail car, boats and ships and analog and the construction of eg aerodynamic features.
Although the present invention illustrates about a certain or some embodiment and describes, it is evident that, after reading and understanding such description and accompanying drawing, those skilled in the art can make multiple equivalence change and remodeling.Particularly about the various functions performed by above-mentioned multiple element (parts, assembly, device, combination etc.), for describing the term (comprising quoting " device ") of these elements, unless otherwise, be intended to correspond to any element of the specific function performing described element (namely, namely function equivalent), though its not structural equivalents in the open structure of function performing the of the present invention one or more exemplary embodiment illustrated herein.In addition, although special characteristic of the present invention describes about one or more or several embodiment of illustrating hereinbefore, as needed for for any given or application-specific or useful, such feature can be combined with one or more further features of other embodiment.
Claims (5)
1. a balladeur train, for resin-dipping web being applied to the contour surface of mould, described balladeur train comprises:
Upper frame, is installed to base frame, and described upper frame has mounted thereto:
First bobbin keeps assembly, for the bobbin keeping wound thereon to have the web of resin-dipping,
Second bobbin keeps assembly, for being provided with the bobbin of scrim material above keeping;
Web holds down assembly, and comprises hold-down roller, and described hold-down roller is configured to recess and the protuberance on the surface of being obedient to described mould, so that described resin-dipping web is pressed onto on the surface of described mould, and
Web tension system, for applying tension force to described resin-dipping web; Described base frame comprises:
Multiplely take turns, being arranged in described base frame and supporting described balladeur train, described wheel engages with the surface of described mould, and the contour surface in order to the trusses cap mould along wind blade advances described balladeur train; And
Tracing system, for following the trail of the surface of described mould, described balladeur train reciprocally can move relative to the profile on the surface of described mould.
2. balladeur train according to claim 1, wherein, described upper frame can be arranged in described base frame rotatably.
3. balladeur train according to claim 2, wherein, described upper frame rotates at least 180 ° in described base frame, to allow to change the applying direction of described resin-dipping web on the surface of described mould.
4. the balladeur train according to aforementioned arbitrary claim, also comprises the turntable being connected to described upper frame and described base frame, to allow the rotation of described upper frame in described base frame.
5. balladeur train according to claim 1, also comprises folder portion, and described folder portion before on the surface described resin-dipping web being pressed on described mould, makes one deck scrim material from the bobbin of scrim material be combined with described resin-dipping web.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2012/049696 WO2014025333A1 (en) | 2012-08-06 | 2012-08-06 | Apparatus for composite tape dispensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104640687A true CN104640687A (en) | 2015-05-20 |
Family
ID=46690716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280075164.XA Pending CN104640687A (en) | 2012-08-06 | 2012-08-06 | Apparatus for composite tape dispensing |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2879860A1 (en) |
| KR (1) | KR20150041019A (en) |
| CN (1) | CN104640687A (en) |
| BR (1) | BR112015002398A2 (en) |
| CA (1) | CA2880919A1 (en) |
| IN (1) | IN2015DN00992A (en) |
| MX (1) | MX2015001369A (en) |
| WO (1) | WO2014025333A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109421292A (en) * | 2017-08-31 | 2019-03-05 | 波音公司 | Gyratory compaction tool |
| CN111164035A (en) * | 2017-10-02 | 2020-05-15 | 横滨橡胶株式会社 | Adjusting device for frictional force adjusting part of section |
| CN113329979A (en) * | 2018-10-25 | 2021-08-31 | 康宁股份有限公司 | Loose glass management |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10011080B2 (en) * | 2014-09-29 | 2018-07-03 | The Boeing Company | Composite part forming system |
| KR102363931B1 (en) * | 2020-11-27 | 2022-02-16 | (주)휴먼컴퍼지트 | Automatic stacking system of spar cap layer of large size composite blade for wind power generation |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3238084A (en) * | 1962-07-06 | 1966-03-01 | Union Carbide Corp | Device for manufacturing reinforced plastic material |
| DE4004720A1 (en) * | 1990-02-15 | 1991-08-29 | Hoechst Ag | DEVICE AND METHOD FOR PRODUCING COMPOSITE BODIES FROM PLASTIC FILM LAYERS LAMINATED WITH OTHER |
| GB2268704B (en) * | 1992-07-16 | 1996-01-10 | British Aerospace | Layup preparation for fibre reinforced composites |
| US6799619B2 (en) * | 2002-02-06 | 2004-10-05 | The Boeing Company | Composite material collation machine and associated method for high rate collation of composite materials |
| ITVR20060132A1 (en) * | 2006-08-07 | 2008-02-08 | Umberto Righi | EQUIPMENT FOR APPLYING REINFORCEMENT ELEMENTS TO A SAIL |
| EP2605899A1 (en) * | 2010-08-17 | 2013-06-26 | Zoltek Companies Inc. | Apparatus for composite tape dispensing |
-
2012
- 2012-08-06 KR KR20157005551A patent/KR20150041019A/en not_active Application Discontinuation
- 2012-08-06 IN IN992DEN2015 patent/IN2015DN00992A/en unknown
- 2012-08-06 CA CA2880919A patent/CA2880919A1/en not_active Abandoned
- 2012-08-06 EP EP12748318.8A patent/EP2879860A1/en not_active Withdrawn
- 2012-08-06 BR BR112015002398A patent/BR112015002398A2/en not_active IP Right Cessation
- 2012-08-06 WO PCT/US2012/049696 patent/WO2014025333A1/en active Application Filing
- 2012-08-06 MX MX2015001369A patent/MX2015001369A/en unknown
- 2012-08-06 CN CN201280075164.XA patent/CN104640687A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109421292A (en) * | 2017-08-31 | 2019-03-05 | 波音公司 | Gyratory compaction tool |
| CN111164035A (en) * | 2017-10-02 | 2020-05-15 | 横滨橡胶株式会社 | Adjusting device for frictional force adjusting part of section |
| CN111164035B (en) * | 2017-10-02 | 2021-09-24 | 横滨橡胶株式会社 | Adjusting device for frictional force adjusting part of section |
| CN113329979A (en) * | 2018-10-25 | 2021-08-31 | 康宁股份有限公司 | Loose glass management |
| CN113329979B (en) * | 2018-10-25 | 2023-06-06 | 康宁股份有限公司 | Open glass management |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2880919A1 (en) | 2014-02-13 |
| EP2879860A1 (en) | 2015-06-10 |
| MX2015001369A (en) | 2015-05-11 |
| WO2014025333A1 (en) | 2014-02-13 |
| BR112015002398A2 (en) | 2017-07-04 |
| IN2015DN00992A (en) | 2015-06-12 |
| KR20150041019A (en) | 2015-04-15 |
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Application publication date: 20150520 |