CN104339667B - Fiber impregnation system and the technique using system manufacture fibre reinforced composites - Google Patents
Fiber impregnation system and the technique using system manufacture fibre reinforced composites Download PDFInfo
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- CN104339667B CN104339667B CN201310323387.XA CN201310323387A CN104339667B CN 104339667 B CN104339667 B CN 104339667B CN 201310323387 A CN201310323387 A CN 201310323387A CN 104339667 B CN104339667 B CN 104339667B
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- fiber
- glue
- filling device
- impregnation system
- pressurizer
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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
- B29C70/525—Component parts, details or accessories; Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/14—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length of filaments or wires
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
A kind of technique the present invention relates to fiber impregnation system and using system manufacture fibre reinforced composites.The fiber impregnation system includes glue filling device, pressurizer and guider.Pressurizer and glue filling device are connected respectively with guider, and pressurizer is positioned by locating piece relative to glue filling device, be formed in glue filling device and pressurizer for dipping fiber by least one continuous passage.The containment member for ensuring that the resin pressure injected in glue filling device does not decline is formed between pressurizer and glue filling device.The fiber impregnation system of the present invention can improve and steadily keep and adjust the resin impregnation pressure in glue-injection box, so as to make fiber by rapid complete wetting.
Description
Technical field
The present invention relates to a kind of fiber impregnation system, which is suitable for manufacture fibre reinforced composites.
It is more particularly related to a kind of fiber impregnation system for being suitable for manufacture polyurethane fibre reinforced composites.This
Outside, the invention further relates to a kind of techniques using above system manufacture fibre reinforced composites.
Background technology
Traditional fiber pultrude process mainly using open impregnation mode, i.e., fiber, fabric or felt by band pressure roller or
The steeping vat of compression bar enters heating mold and is cured after extruding step by step of the resiniferous fiber Jing Guo preforming version.It adopts
With traditional open impregnation mode there are a series of problem, for example, the high volatile of volatile organic compounds (VOC), compared with
High resin waste rate and finished product porosity content height etc..In addition, due to shut down and replace the time needed for product specification compared with
Long and cost is higher, this technique is not suitable for the short resin system of gel time yet.
For this purpose, on the basis of aforementioned open impregnation mode, the closed injection process of two classes is developed.One kind is low pressure
Injecting glue mode.Suitable for usually to design one or more taper, and such inside the glue-injection box of such injecting glue mode
Glue-injection box is generally difficult to section bar of the infiltration with felt or fabric, and fabric or felt is preforming also highly difficult.In addition one kind is high
Pressure injection glue mode.Declare solve the above problem suitable for the glue-injection box of such injecting glue mode, but due to resin pressure in glue-injection box
Amount of resin in power and glue-injection box can not be controlled steadily, it is easy to which the spill and leakage or fiber for causing resin infiltrate not
Good, especially when adjusting pultrusion speed or shutting down, this problem is easier to occur, therefore such glue-injection box is difficult application
Into actual production process.Meanwhile this kind of glue-injection box does not have special pressurizer, causes the pressure in glue-injection box that cannot reach
Enough levels are so that fiber quickly and completely impregnates.
Therefore, urgent need research and development at present are a kind of can improve and steadily keep and adjust the resin impregnation pressure in glue-injection box
Power, so as to make fiber by the fiber impregnation system of rapid complete wetting.
Invention content
The purpose of the present invention is to provide it is a kind of can improve and steadily keep and adjust the resin in glue-injection box leaching
Glue laminated power, so as to make fiber by the fiber impregnation system of rapid complete wetting.
The first aspect of the present invention is related to a kind of fiber impregnation system, which includes glue filling device, pressurize
Device and guider, pressurizer and glue filling device are connected respectively with guider, and pressurizer is opposite by locating piece
Positioned in glue filling device, be formed in glue filling device and pressurizer for dipping fiber by it is at least one continuous logical
Road, wherein, be formed between pressurizer and glue filling device ensure to be injected into the resin pressure in glue filling device do not decline it is close
Seal component.
In the present invention, the pressure mouth for the channel exit that containment member can be formed in pressurizer and it is formed in note
At feeder connection in adhesive dispenser by pressure mouth crimp so that chamfering that the channel outlet in pressurizer becomes smaller or its
It plays the design or device of squeezing action.
In another embodiment, containment member can also be the elasticity for being formed in the channel exit in pressurizer
Piece through the channel in pressurizer and extends the patch in its exit.
It is preferred that glue filling device can include the internal glue-injection box with cavity and be connected with the channel in glue-injection box
Injection resin injected rubber hose, the cavity of solidification equipment of the cavity of glue-injection box with being arranged side by side in glue-injection box downstream connect and
It is roughly the same.More preferably it is that gasket seal can be equipped between glue-injection box and solidification equipment.
Alternatively, glue filling device can include the internal note for having the glue-injection box of cavity and connect with the channel in glue-injection box
Enter the injected rubber hose of resin, the cavity of solidification equipment of the cavity of glue-injection box with being arranged side by side in glue-injection box downstream is not attached to lead to.
More preferably it is that the outlet of glue-injection box is less than entrance or is connected with outlet less than entrance and carries the structure of cavity, the cavity
Shape is similar to the cavity shape of glue-injection box.
In another example, resin can be polyurethane or the fast reaction resin of other appropriate types.
In addition, the fiber impregnation system of the present invention can also include the sensor of the real-time pressure in detection glue-injection box, it should
Sensor feedback pressure signal, to control the injection rate of resin, the wherein injection pressure of resin is 0.2MPa to 15MPa.
It is preferred that chamfering can be formed at the feeder connection in glue-injection box.
The pressurizer of the fiber impregnation system of the present invention can include the baffle being disposed proximate to and pressing plate and be arranged on
The pressure mouth or elastic piece or patch of channel exit in pressing plate.
The present invention fiber impregnation system guider can include guide rod, an at least screw rod and for fiber by
First thread board, guide rod and screw rod are fixed across the first thread board, and guide rod is fixed glue filling device by connector, screw rod
Pressurizer is fixed and guided by connector.
It is preferred that screw rod can be cored screw, it is formed with and continuously leading in glue filling device and pressurizer
The channel of road connection.
In addition, guider can also include the second thread board, the screw rod number being arranged between the first and second thread boards
Amount is less than the screw rod quantity being arranged between the first thread board and baffle.
In a preferred embodiment, more than one continuous passage is formed in glue filling device and pressurizer, every logical
Road is each configured with a set of glue filling device, so as to be fed for the solidification equipment of identical quantity.Here solidification equipment can be mould
One or more of tool, drying tunnel, mandrel or pressing mold are other known for those skilled in the art
Solidifying and molding device, including but not limited to pultrusion apparatus, Wrapping formed device, continuous sheet molding machine, be molded into
Type device, sheet molding molding machine, bulk moulding-forming equipment etc..
Alternatively, glue filling device and pressurizer are fed by pipeline distributor for a plurality of production line, every production line passes through
Injection pressure and piping flow control realize independent adjustment without influencing each other.
The second aspect of the present invention is related to a kind of using fiber impregnation system as described above manufacture fiber-reinforced composite material
The technique of material, includes the following steps：Fiber is sent into channel, and fiber is made to pass through pressurizer；Inject resin into injecting glue dress
In putting；Ensure that the resin pressure in glue filling device does not decline by containment member；Fiber is made to pass through glue filling device；Detect injecting glue dress
Put interior real-time pressure；The injection rate of resin is controlled, to ensure the pressure stability in glue filling device；And make fiber impregnated resin
Cure by solidification equipment and wherein.
The third aspect of the present invention is related to a kind of composite material preparation facilities with fiber impregnation system as described above,
The device further includes at least one fiber thread board and at least one wind, and at least one fiber thread board makes at least one
At least one fiber circumferential direction is wrapped on mandrel or axial yarn by fiber close to mandrel or axial yarn, at least one wind,
Fiber impregnation system and solidification equipment are impregnated and are cured to the winding yarn for entering the first thread board.
In a preferred embodiment, at least one fiber thread board includes inner fiber thread board, middle layer fiber is led
Yarn plate and outer layer fiber thread board, inner fiber thread board makes inner fiber, and close to mandrel, middle layer fiber thread board makes centre
For layer fiber close to winding yarn, outer layer fiber thread board makes outer layer fiber enter the first thread board together with winding yarn.
On the other hand, at least one wind includes internal layer wind and middle layer wind, internal layer winding dress
It puts fiber circumferential direction being wound on inner fiber and winds yarn to form, fiber is wound in middle layer fiber by middle layer wind
On with form wind yarn.
Compared with prior art, fiber impregnation system of the invention has the following advantages：
1) glue filling device and pressurizer are combined with each other by fiber impregnation system of the invention, can be improved and be controlled well
Amount of resin and pressure in glue-injection box processed, realize the quick good infiltration of fibre, and farthest save resin.
2) fiber impregnation system of the invention is designed using unique glue-injection box and combines automatic metering mixing apparatus, is realized
Glue-injection box pressure and the linkage of glue-injection machine and pultrusion production line, so as to accurately controlling the pressure in glue-injection box, ensure it is fine
Dimension infiltration quality while, overcome polyurethane resin gel time it is short, meet moisture foaming problem, improve production automation
It is horizontal.
3) fibre reinforced composites made of fiber impregnation system using the present invention have smooth surface and excellent
Mechanical performance, the quality of product promoted.
4) fiber impregnation system of the invention is set by carrying out pressure monitoring to injecting glue pipeline and being mixed with automatic gauge
Standby linkage realizes a set of glue-injection machine and supplies multiple dipping systems and mold or a plurality of production line simultaneously, and each impregnate
System and mold or every production line independent startup-shutdown and adjustment and can not influence each other.Therefore, production effect is being improved
Cost of investment is reduced while rate.
Description of the drawings
The overall structure and component part of fiber impregnation system in order to further illustrate the present invention, below in conjunction with attached drawing
The system is described in detail with specific embodiment, wherein：
Fig. 1 is the side view of the first preferred embodiment of the fiber impregnation system of the present invention, wherein illustrating with dashed lines portion
Divide the structure for being formed in internal system；
Fig. 2 is the side view of the second preferred embodiment of the fiber impregnation system of the present invention, wherein illustrating with dashed lines portion
Divide the structure for being formed in internal system；And
Fig. 3 is the side view of the third preferred embodiment of the fiber impregnation system of the present invention, wherein illustrating with dashed lines portion
Divide the structure for being formed in internal system.
Fig. 4 is the side view for the composite material preparation facilities for applying the fiber impregnation system of the present invention, wherein using dotted line
Show that part is formed in the structure of internal system.
Specific embodiment
Below with reference to multiple preferred embodiments of the fiber impregnation system of the description of the drawings present invention.
(the first preferred embodiment)
Fig. 1 is the side view of the first preferred embodiment of the fiber impregnation system of the present invention.As shown in Figure 1, the fiber soaks
Stain system is mainly made of glue filling device, pressurizer and guider, wherein, pressurizer by four connecting screws 10 with
Guider connects, and glue filling device is by being arranged in its arrival end and matched composite material forming and hardening device portal end
Connecting flange 2 connect with guider, and pressurizer is positioned by positioning pin 5 relative to glue filling device.But this
The those of ordinary skill of technical field is it is well known that can reach the connection of any types and quantity of identical connection effect
Part may serve to substitute above-mentioned connecting screw 10 and connecting flange 2, can reach any types and number of identical locating effect
The locating piece of amount may serve to substitute above-mentioned positioning pin 5, this will be all fallen within the scope of the application is claimed.
As shown in Figure 1, glue filling device is made of glue-injection box 3 and injected rubber hose 11, and with being arranged side by side in 3 downstream of glue-injection box
Composite material forming and hardening matched with devices use.In the present embodiment, composite material forming and hardening device has the shape of mold 1
Formula.The inside of glue-injection box 3 is formed with cavity, and the shape of the cavity is roughly the same with the cavity shape inside mold 1.Usually come
It says, glue-injection box 3 and mold 1 are two components being separated from each other, and by the gasket seal between them to removing cavity and leading to
Other parts except road are sealed.But in some cases, can also glue-injection box 3 and mold 1 be made for inside has
The integral member of cavity.
The fiber impregnation system of the present invention is not necessarily connected with mold 1.Mold is not used even not being connected with mold 1
In the case of 1 pair of fiber progress is cured, the outlet of glue-injection box 3 can be less than entrance or be connected in one piece of exit plate.At this point, go out
The inside of oralia is formed with the channel connected with glue-injection box 3, and the outlet of channel is usually less than entrance.
Furthermore it is also possible to using drying tunnel or pressing mold as composite material forming and hardening device.In this case, it is soaked by resin
Saturating fiber, which will be heating and curing or be wound in by drying tunnel after glue-injection box 3 is left, to be cured on mandrel or is suppressed by pressing mold solid
Chemical conversion type.
Be formed with elongated continuous passage along its length inside the cavity of mold 1 and glue-injection box 3, for fiber from
Towards Fig. 1 right side flows on the left of Fig. 1, and impregnated in glue-injection box 3 by resin.Glue-injection box 3 is kept using at least one bolt
It is secured in position with mold 1.Although illustrating only eight bolts in Fig. 1 of the application, the ordinary skill people of the art
Member is it should be understood that any amount of bolt or other connectors are all feasible.
In the present embodiment, injected rubber hose 11 is vertically over passed through channel from glue-injection box 3, and resin is passed through injected rubber hose
11 are injected into the cavity of glue-injection box.Certainly, if conditions permit, it is also contemplated that being arranged to injected rubber hose 11 from mold
1 and the left and right sides of glue-injection box 3 be passed through channel, this is fallen in the protection domain of the application.Injected rubber hose 11 can be set
It on the tract of glue-injection box 3, can also be arranged between glue-injection box 3 and mold 1, as long as itself and leading in the glue-injection box 3
Road connects.
In the present embodiment, the resin being injected into glue-injection box 3 is polyurethane, but the fast reaction tree of other suitable types
Fat (that is, the time of gel is less than the resin of 60 minutes under room temperature) is also workable.It will be set with automatic measurement mixing unit
Fat mixes and then injection glue-injection box 3, and is injected into pressure control in the range of 0.2MPa to 15MPa.Certainly, for
For those skilled in the art, other appropriate injection modes and injection pressure can also be applied to the present invention's
In fiber impregnation system.
It can also be by fabric, thermoplastic film, the paper being covered by the coating, fabric or film packet by the fiber that resin impregnates
It covers and is cured into mold.These external sheath objects play the role of protection and decorative composite material molding.
Continuing with referring to Fig. 1, guider includes guide rod 4, thread board 8 and screw rod 9.From Fig. 1 it will be clear that
Each two guide rods 4 and each two screw rods 9 both pass through thread board 8 and are fixed on guide with the locking member of such as bolt up and down up and down
On plate 8.Guide rod 4 is fixed by connecting flange 2 with glue filling device, and screw rod 9 carries out pressurizer by connecting screw 10
Fixed and guiding.In the present embodiment, since fiber is not needed to through screw rod 9, screw rod 9 can be set to solid component.But
That, when fiber is needed through screw rod 9, screw rod can also be arranged to hollow unit, and formed wherein a part for channel with
Pass through for fiber.
Pressurizer is made of the baffle 7 and pressing plate 6 being disposed proximate to, and is equally also formed for fine in baffle 7 and pressing plate 6
Tie up the channel passed through.On the one hand, baffle 7 and pressing plate 6 are connected by the connecting screw 10 that it is passed through to set with guider, so as to
As the guider edge direction parallel with the extending direction of channel moves.On the other hand, baffle 7 and pressing plate 6 pass through positioning pin 5
It is positioned relative to glue filling device, so that the channel in baffle 7 and pressing plate 6 is aligned with the channel in glue filling device.
In this application, the meaning of term " alignment " not merely refer to the channel position being formed in baffle 7 and pressing plate 6 with
The channel position flush being formed in glue filling device, the position also covered between the two exist in zone of reasonableness but deficiency
With influence fiber by deviation.
In the present embodiment, baffle 7 can be made, such as steel, fiberglass of all higher material of hardness and rigidity.Pressure
Plate 6 can then be made, such as polytetrafluoroethylene (PTFE), ultra-high molecular weight polyethylene of the hardness soft material smaller than glue-injection box 3.It is pressing
There are one the pressure mouth 12 of protrusion, forming position and the channels in pressing plate 6 of the pressure mouth towards formation in the one side of glue filling device for plate 6
Position overlaps.In other words, fiber can extend through the pressure mouth 12 along channel, and enter at the pressure mouth 12 and be formed in note
Channel in glue box 3 and the dipping for receiving resin.
Enter the chamfering that is formed with and inwardly concaves at the position of glue-injection box 3 in fiber (to squeeze including fillet, oblique angle and other
The design or device of pressure effect), so that pressure mouth 12 is against thereon.Therefore, when baffle 7 pushes pressing plate 6 towards glue filling device side
To during movement, pressure mouth 12 is resisted against chamfering, and becomes the channel inside it when the extruding due to 3 entrance of glue-injection box deforms
It is narrow, form the sealing to 3 entrance of glue-injection box.In this way, the fiber by pressure mouth is tightly wrapped up by the inner wall of pressure mouth channel, cause to note
Be difficult to overflow from the inlet of glue-injection box 3 during resin injecting glue in glue box 3, so that it is guaranteed that the resin pressure in glue filling device not under
Drop.It, can be before fiber infiltration quality be ensured by the way that the pressure in glue filling device is maintained under a relatively high pressure
It puts and does not leak and waste resin.
It can be seen that the pressure mouth 12 being formed on pressing plate 6 and the chamfering being formed on glue-injection box 3 in fact constitute one
Containment member.For those skilled in the art, can also expect in the scope of the art can
Play the replacement seal component of same technique effect.
For example, can pressing plate 6 be formed as flexible thin slice or film, be placed in pressurizer and glue filling device it
Between and with this both form continuous channel.Channel in thin slice or film is than the channel outlet and glue filling device of pressurizer
Feeder connection is narrow.When fiber is by pressing plate 6, thin slice or film are ploughed under in the cavity of glue-injection box 3, and the channel for making it internal becomes
It is wide.Thin slice or film generate tension along inner passage simultaneously makes thin slice or film wrap and reach by the fiber of its channel
The effect of sealing.For another example, containment member may also be through in the channel in pressurizer and extend the plug in its exit
Piece.In pultrude process, fiber across pressurizer around patch by entering glue filling device, when pressurizer is filled to injecting glue
When resting against, patch makes the fiber channel entrance in glue filling device narrow to play the role of sealing.For the art
Those of ordinary skill for, as long as above-mentioned pressure holding function can be realized, all known members in the art all should
It is considered to fall into the protection domain of the application.
In a preferred embodiment, can injected rubber hose 11, injected rubber hose 11 pipeline on or the present invention fiber impregnation system
The external setting sensor of system, the sensor can detect the real-time pressure in glue-injection box 3, pressure signal fed back to exterior
Glue-injection machine.When the pressure in glue-injection box 3 is less than preset value, the injecting glue amount of glue-injection machine can be increased；When in glue-injection box 3
Pressure be equal to preset value when, the injecting glue amount of glue-injection machine can keep stable；It is preset when the pressure in glue-injection box 3 is higher than
During value, it is possible to reduce the injecting glue amount of glue-injection machine.Pass through above-mentioned control, it is ensured that protect to pressure all-the-time stable in glue-injection box 3
It holds as preset value.Certainly, for those skilled in the art, any other control can also be used
Device ensures that glue-injection box 3 has stable internal pressure.
(the second preferred embodiment)
Fig. 2 is the side view of the second preferred embodiment of the fiber impregnation system of the present invention.With the first preferred embodiment phase
Than the second preferred embodiment has the glue filling device and pressurizer of same structure, but the structure of guider is slightly different.Tool
For body, the guider of the second preferred embodiment replaces four in the first preferred embodiment using a cored screw 9 '
Solid screw.Be equipped in cored screw 9 ' for dipping fiber by continuous passage so that channel in cored screw 9 ' with
Baffle 7 and the channel in pressing plate 6 and the channel alignment in glue-injection box 3 and mold 1.
By above-mentioned setting, fiber directly can be sent into continuous passage by operating personnel in the inlet of cored screw 9 ',
The continuous passage in baffle 7, pressing plate 6, pressure mouth 12 and glue-injection box 3 is being passed sequentially through, is being eventually arrived in mold 1, and pass through dipping
Cured by the resin that injected rubber hose 11 injects.
On the other hand, due to the quantity of screw rod reduce, when needing guide baffle plate 7 and pressing plate 6, it is only necessary to unclamp quantity compared with
Few locking piece is it is achieved that cause that the operation is more convenient feasible.
(third preferred embodiment)
Fig. 3 is the side view of the third preferred embodiment of the fiber impregnation system of the present invention.It is preferably real with first and second
It applies example to compare, third preferred embodiment has the glue filling device and pressurizer of same structure, but the structure of guider is
It is different.Specifically, the guider of third preferred embodiment includes the first thread board 8 and the second thread board 8 ', is led first
A piece solid screw 9 between 8 and second thread board 8 ' of yarn plate is set, and four realities are set between 7 and first thread board 8 of baffle
Heart screw rod 9.
On the one hand identical with the second preferred embodiment by above-mentioned setting, operating personnel only need to unclamp negligible amounts
Locking piece can guide baffle plate 7 and pressing plate 6, on the other hand, by forming more than one seam on the first and second thread boards
Gap can make fiber enter channel in the other positions other than extending at relevant position with channel, various to be suitable for
Different application scenarios.
As other better embodiments, it may be considered that set two or more logical inside mold and glue filling device
Road, so as to the mold for identical quantity or the production line feed of the identical quantity for the fiber impregnation system for being configured with the present invention.
In this manner it is achieved that a multi-cavity mold function in injection system, improves production capacity and efficiency.Alternatively, since note can be passed through
Glue pipe-line system is adjusted the injecting glue amount of injection system, so as to control the pressure in glue-injection box, therefore can utilize a set of
Glue filling device is simultaneously fed multiple fiber impregnation systems and mold.At this point it is possible to it is set on injecting glue main line for note
The pressure sensor of glue machine feedback signal.Pressure sensor and flow control can also be equipped in each individually fiber impregnation system
Valve processed is adjusted with realizing that independent flow pressure links.When switching and adjusting each glue-injection box, injection system can pass through pipe
Adjustment injecting glue amount is to maintain the constant of pipeline inner pressure in real time for the variation of pressure in road, so a mold or production line
Switch and adjustment do not interfere with the operation of other molds and production line, realize a set of injection system and supply multiple molds and production
The function of line, equally also improves production capacity and efficiency.
The processing step that fiber impregnation system manufacture fibre reinforced composites using the present invention will be briefly described below：
First, fiber is sent into channel from channel in the inlet of baffle 7 or cored screw 9 ', fiber is made to pass through baffle 7
With pressing plate 6, and enter at pressure mouth 12 channel in glue-injection box 3.Guider moving stop 7 and pressing plate 6 are controlled, makes pressure mouth 12
Chamfering is pressed by deformation.At this point, pressure mouth makes the channel narrows inside it when the extruding due to 3 entrance of glue-injection box deforms,
Form the sealing to 3 entrance of glue-injection box.In this way, the fiber by pressure mouth is tightly wrapped up by the inner wall of pressure mouth channel, cause injecting glue
Be difficult to overflow from the inlet of glue-injection box 3 during resin injecting glue in box 3, so that it is guaranteed that the resin pressure in glue filling device 3 not under
Drop.Fiber is made to continue through glue-injection box 3, the resin of such as polyurethane etc is injected by injected rubber hose 11 in glue-injection box 3, with
Fiber is made to be sufficiently impregnated injected resin.The real-time pressure in glue-injection box 3 is detected by the sensor being arranged on injected rubber hose 11
Power, control and the injecting glue amount of the glue-injection machine of glue filling device linkage, it is pre- to remain with ensureing the pressure all-the-time stable in glue-injection box 3
First setting value.Finally, the fiber for having cured resin impregnated in a mold.
Fig. 4 is a kind of side view of composite material preparation facilities, which applies the fibre of the present invention
The second preferred embodiment of dipping systems is tieed up, wherein, fiber impregnation system has the glue filling device and pressurizer of same structure,
But it incorporates and pulls around technique.Its structure and preparation process is described below.
First, pressurizer, mold 2 and glue-injection box 3 are positioned and fixed.One end of mandrel 21 is sequentially inserted into thread board
8th, in baffle 7, pressing plate 6, glue-injection box 3 and mold 2, and the other end of mandrel 21 is fixed.Then, by fiber according to certain suitable
Sequence passes through mold.Specific method of entrying is as follows：
Inner fiber 13 by inner fiber thread board 14 gradually close to mandrel 21, and pass through internal layer wind 15 will
Inner fiber circumferential direction is wound on mandrel 21 to form internal layer winding yarn.Internal layer winding yarn root travels forward with mandrel 21.
Middle layer fiber 16 gradually winds yarn, and pass through middle layer wind 18 by middle layer fiber thread board 17 close to internal layer
Middle layer fiber circumferential direction is wound on internal layer winding yarn to form middle layer winding yarn.Middle layer winding yarn follows 21 He of mandrel
Internal layer winding yarn travels forward together.Outer layer fiber 19 gradually winds yarn by outer layer fiber thread board 20 close to middle layer, and
And follow mandrel 21, internal layer winding yarn and middle layer winding yarn together enter thread board 8, pass sequentially through baffle 7, pressing plate 6 and from
Enter the channel in glue-injection box 3 at pressure mouth 12, finally enter mold 1.
Guider moving stop 7 and pressing plate 6 are controlled, pressure mouth 12 is made to be pressed into chamfering by deformation.At this point, pressure mouth 12 by
The channel narrows for making it internal when the extruding of 3 entrance of glue-injection box deforms, form the sealing to 3 entrance of glue-injection box.It is in this way, logical
The fiber for crossing pressure mouth is tightly wrapped up by the inner wall of pressure mouth channel, causes to be difficult to during the resin injecting glue in glue-injection box 3 from glue-injection box 3
Inlet is overflowed, so that it is guaranteed that the resin pressure in glue filling device 3 does not decline.Fiber is made to continue through glue-injection box 3, will such as be gathered
The resin of urethane etc is injected by injected rubber hose 11 in glue-injection box 3, so that fiber is sufficiently impregnated injected resin.By setting
Put the real-time pressure in the sensor detection glue-injection box 3 on injected rubber hose 11, control and the note of the glue-injection machine of glue filling device linkage
Glue amount, to remain preset value with ensureing the pressure all-the-time stable in glue-injection box 3.Finally, cure in a mold impregnated
The fiber of resin.
Above application is not limited to that multiple fiber impregnation systems are distributed in before mold to impregnate different layers respectively
Fiber or for being impregnated using different types of resin, is also not necessarily limited to be formed not using one or more wrapping machine
The molding of the fibrous composite of same winding arrangement.
Although above in association with preferred embodiment to the present invention fiber impregnation system structure and manufacturing technology steps into
Go explanation, but those of ordinary skill in the art is it should be appreciated that above-mentioned example is intended merely to explanation, without
Limitation of the present invention can be used as.For example, guider can include the position of two pieces or more of thread board, guide rod and connecting screw
It puts and can arbitrarily change with quantity.Therefore, modification can be carried out to the present invention in the spirit of claims.
These modifications will be all fallen within the scope of required by claims of the present invention.
Claims (24)
1. a kind of fiber impregnation system, including glue filling device, pressurizer and guider, the pressurizer and the injecting glue
Device is connected respectively with the guider, and the pressurizer is determined by locating piece relative to the glue filling device
Position, be formed in the glue filling device and the pressurizer for dipping fiber by least one continuous passage, feature
It is, the resin pressure for ensuring to be injected into the glue filling device is formed between the glue filling device and the pressurizer not
The containment member of decline, the containment member are formed in the pressure mouth (12) of the channel exit in the pressurizer and are formed
At feeder connection in the glue filling device by the pressure mouth (12) crimp so that channel in the pressurizer
Export the chamfering to become smaller.
2. fiber impregnation system as described in claim 1, which is characterized in that the containment member is formed in the pressurize dress
The elastic piece of channel exit in putting.
3. fiber impregnation system as described in claim 1, which is characterized in that the containment member is through filling in the pressurize
It puts interior channel and extends the patch in its exit.
4. fiber impregnation system as described in claim 1, which is characterized in that the glue filling device, which includes inside, has cavity
Glue-injection box (3) and the injected rubber hose (11) of injection resin connected with the channel in the glue-injection box (3), the glue-injection box
(3) solidification equipment of the cavity with being arranged side by side in the glue-injection box (3) downstream cavity connection and it is roughly the same.
5. fiber impregnation system as claimed in claim 4, which is characterized in that the glue-injection box (3) and the solidification equipment it
Between be equipped with gasket seal.
6. fiber impregnation system as described in claim 1, which is characterized in that the glue filling device, which includes inside, has cavity
Glue-injection box (3) and the injected rubber hose (11) of injection resin connected with the channel in the glue-injection box (3), the glue-injection box
(3) cavity of solidification equipment of the cavity with being arranged side by side in the glue-injection box (3) downstream is not attached to lead to.
7. fiber impregnation system as claimed in claim 6, which is characterized in that the outlet of the glue-injection box (3) is less than entrance.
8. fiber impregnation system as claimed in claim 6, which is characterized in that the glue-injection box (3) be connected with outlet be less than into
Mouth and the structure for carrying cavity, the shape of the cavity are similar to the cavity shape of the glue-injection box (3).
9. the fiber impregnation system as described in claim 4 or 6, which is characterized in that the resin is fast reaction resin.
10. fiber impregnation system as claimed in claim 9, which is characterized in that the fast reaction resin is polyurethane.
11. the fiber impregnation system as described in claim 4 or 6, which is characterized in that further include in the detection glue-injection box (3)
Real-time pressure sensor, the sensor feedback pressure signal, to control the injection rate of the resin.
12. the fiber impregnation system as described in claim 4 or 6, which is characterized in that the injection pressure of the resin is 0.2MPa
To 15MPa.
13. the fiber impregnation system as described in claim 4 or 6, which is characterized in that the chamfering is formed in the glue-injection box
(3) at the feeder connection in.
14. fiber impregnation system as claimed any one in claims 1 to 3, which is characterized in that the pressurizer includes tight
The baffle (7) and the pressure mouth (12) or elastic piece of pressing plate (6) and the channel exit being arranged in the pressing plate (6) of neighbour's setting
Or patch.
15. fiber impregnation system as claimed in claim 14, which is characterized in that the guider includes guide rod (4), at least
A piece screw rod (9,9 ') and for fiber by the first thread board (8), the guide rod (4) and the first screw rod (9) are across described the
One thread board (8) is fixed, and the guide rod (4) is fixed the glue filling device by connector, and first screw rod (9) is logical
It crosses connector the pressurizer is fixed and guided.
16. fiber impregnation system as claimed in claim 15, which is characterized in that the second screw rod (9 ') is cored screw, wherein
It is formed with the channel connected with the continuous passage in the glue filling device and the pressurizer.
17. fiber impregnation system as claimed in claim 15, which is characterized in that the guider further includes the second thread board
(8 ') are arranged on screw rod quantity between first and second thread board (8,8 ') less than being arranged on first thread board
(8) the screw rod quantity between the baffle (7).
18. fiber impregnation system as described in claim 1, which is characterized in that in the glue filling device and the pressurizer
More than one continuous passage is formed with, so as to be fed for the solidification equipment of identical quantity.
19. the fiber impregnation system as described in claim 4,6 or 18, which is characterized in that the solidification equipment for mold (1),
One or more of drying tunnel, mandrel and pressing mold.
20. fiber impregnation system as described in claim 1, which is characterized in that the glue filling device and the pressurizer lead to
It crosses pipeline distributor to be fed for a plurality of production line, every production line realizes independent adjustment by injection pressure and piping flow control
Without influencing each other.
21. a kind of fiber impregnation system manufacture fibre reinforced composites using as described in any one of claim 1 to 20
Technique, which is characterized in that include the following steps：
Fiber is sent into the channel, and the fiber is made to pass through the pressurizer；
It injects resin into the glue filling device；
Ensure that the pressure in the glue filling device does not decline by the containment member；
The fiber is made to pass through the glue filling device；
Detect the real-time pressure in the glue filling device；
The injection rate of the resin is controlled, to ensure the pressure stability in the glue filling device；And
The fiber impregnated resin is made to pass through solidification equipment and is cured wherein.
22. a kind of composite material preparation facilities with the fiber impregnation system as described in any one of claim 15 to 17,
It is characterized in that, it further includes：
At least one fiber thread board (14,17,20), at least one fiber thread board (14,17,20) make at least one fibre
Dimension is close to mandrel (21) or axial yarn；And
At least one wind (15,18), at least one wind (15,18) are circumferential by least one fiber
It is wrapped on mandrel (21) or axial yarn,
Wherein, the fiber impregnation system and solidification equipment the winding yarn for entering first thread board (8) is carried out dipping and
Curing.
23. composite material preparation facilities as claimed in claim 22, which is characterized in that at least one fiber thread board (14,
17th, 20) it is described interior including inner fiber thread board (14), middle layer fiber thread board (17) and outer layer fiber thread board (20)
Layer fiber thread board (14) makes inner fiber (13), and close to the mandrel (21), the middle layer fiber thread board (17) makes centre
For layer fiber (16) close to winding yarn, it is described that the outer layer fiber thread board (20) makes outer layer fiber (19) enter together with winding yarn
First thread board (8).
24. composite material preparation facilities as claimed in claim 23, which is characterized in that at least one wind (15,18)
Including internal layer wind (15) and middle layer wind (18), fiber circumferential direction is wound in by the internal layer wind (15)
Yarn is wound to form on the inner fiber (13), fiber circumferential direction is wound in the centre by the middle layer wind (18)
On layer fiber (16) yarn is wound to form.
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| CN201310323387.XA CN104339667B (en) | 2013-07-23 | 2013-07-23 | Fiber impregnation system and the technique using system manufacture fibre reinforced composites |
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| CN201310323387.XA CN104339667B (en) | 2013-07-23 | 2013-07-23 | Fiber impregnation system and the technique using system manufacture fibre reinforced composites |
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| CN104339667B true CN104339667B (en) | 2018-06-19 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891259B (en) * | 2015-04-01 | 2018-04-20 | 杭州坦科机械科技有限公司 | Axial direction fibre unwinding device |
| CN105172670A (en) * | 2015-10-21 | 2015-12-23 | 严小明 | Control circuit for intelligent switching between high beams and low beams of vehicles |
| CN108189273B (en) * | 2018-03-19 | 2024-06-07 | 苏州振瑞昌材料科技有限公司 | Glue injection system for flat forming material |
| DE102018121852A1 (en) * | 2018-09-07 | 2020-03-12 | Kraussmaffei Technologies Gmbh | Process for the production of leaf springs in fiber composite construction and extrusion device |
| CN109501319B (en) * | 2018-12-19 | 2022-02-08 | 浙江联洋新材料股份有限公司 | Fiber impregnation device and method |
| CN109572020A (en) * | 2019-01-22 | 2019-04-05 | 郑丽凡 | A kind of shoe-making die being precisely controlled injecting glue amount and its control method |
| CN110142987A (en) * | 2019-05-15 | 2019-08-20 | 湖州守真新材料科技有限公司 | A kind of pultrusion die for Material cladding |
| CN110126302B (en) * | 2019-05-22 | 2023-10-20 | 湖州守真新材料科技有限公司 | Foaming device, continuous production line and production method of fiber reinforced foam composite material |
| CN110154421B (en) * | 2019-05-22 | 2023-12-22 | 湖州守真新材料科技有限公司 | Continuous production line and production method of glue injection box and fiber reinforced foam composite material |
| CN110253908A (en) * | 2019-05-27 | 2019-09-20 | 湖州守真新材料科技有限公司 | A kind of anti-clogging pultrusion die and composite material and production method for composite material |
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