CN107639860A - A kind of fiber impregnation system - Google Patents
A kind of fiber impregnation system Download PDFInfo
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- CN107639860A CN107639860A CN201610576178.XA CN201610576178A CN107639860A CN 107639860 A CN107639860 A CN 107639860A CN 201610576178 A CN201610576178 A CN 201610576178A CN 107639860 A CN107639860 A CN 107639860A
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Abstract
The present invention relates to fiber impregnation system, including：A. glue-injection box, for to fiber impregnated resin, the glue-injection box has the die cavity passed through for fiber of arrival end, the port of export, connection arrival end and the port of export and surrounds the injecting glue box wall of die cavity, the die cavity includes conical section, wherein described conical section is frustoconical, with conical section bottom face and conical section top end face, conical section bottom face is located at glue-injection box arrival end, and conical section top end face is smaller than conical section bottom face area；Glue-injection box is provided with the hole for injecting glue for resin by injection；The resin flow channel for resin flowing is provided with inside glue-injection box, the resin flow channel connects with die cavity, and is connected with the gum-injecting port；B. solidification equipment, for implementing solidification to the fiber for being impregnated with resin, including the entrance of the fiber of resin and at least one solidification chamber are impregnated with；Wherein, the entrance of the fiber of solidification equipment is spaced apart setting with glue-injection box.The fiber impregnation system also includes resin trap device and at least one peristaltic pump.
Description
Technical field
The present invention relates to a kind of fiber impregnation system, suitable for the manufacture of fibre reinforced composites, is particularly suitable for use in poly-
Urethane base fiber reinforced composite material pultrude process.
Background technology
Traditional pultrude process mainly uses open impregnation mode, i.e., either fabric or felt pass through with pressure fiber
The steeping vat of roller or depression bar, the preformed version of fiber with resin enters the mould of heating after extruding step by step, and solidifies.
The high of a series of problem such as VOC (VOC) be present using traditional open impregnation mode to volatilize, it is higher
Resin waste rate and finished product porosity content it is high, the short resin system of gel time is also not suitable with this technique.Shut down and
The time changed needed for product specification is long, and cost is also higher.
It is above-mentioned in order to solve, develop two class closed injection process.One kind is low-pressure glue-injection mode, in this kind of glue-injection box
Portion's die cavity generally has one or more taper, and such glue-injection box is generally difficult to section bar of the infiltration with felt or fabric, and
Fabric or felt are preforming highly difficult.Other one kind is high-pressure injection plastic mode, and such glue-injection box declares solve this problem, but
All fail to disclose how the amount of resin in stable control resin pressure and resin storage tank, this easily cause resin spill and leakage or
Person's fiber non-wetting, when especially shutting down either shutdown.But in actual production, shutdown operation happens occasionally, Hen Duogao
Pressure injection glue box are difficult to be used among reality.
The content of the invention
Therefore, it is an object of the invention to overcome drawbacks described above present in prior art, there is provided a kind of fiber impregnation system
System, had both solved the preforming problem of shaping of felt or cloth, and had solved the problems, such as the spill and leakage of resin or fiber non-wetting again.
Further, since the glue-injection box of the present invention separates with solidification equipment so that operating personnel conveniently observation glue-injection box can fill with solidification
Impregnation situation between putting, to clear up unnecessary burr at any time, so as to reduce non-wetting rate.
In general, the present invention includes following technical scheme, wherein 2-19 items and 21 are preferred embodiment.
1. a kind of fiber impregnation system, including：
A. glue-injection box, for fiber impregnated resin, the glue-injection box have arrival end, the port of export, connection arrival end and
The port of export is used for the fiber die cavity passed through and the injecting glue box wall for surrounding die cavity, and the die cavity includes conical section, wherein the cone
Shape section is frustoconical, has conical section bottom face and conical section top end face, and conical section bottom face is located at glue-injection box arrival end, cone
Shape section top end face is smaller than conical section bottom face area；Glue-injection box is provided with the hole for injecting glue for resin by injection；Set inside glue-injection box
There is the resin flow channel for resin flowing, the resin flow channel connects with die cavity, and is connected with the gum-injecting port；
B. solidification equipment, the fiber of resin is impregnated with for solidifying, including is impregnated with the entrance and at least of the fiber of resin
One solidification chamber；
Wherein, the entrance of the fiber of solidification equipment is spaced apart setting with glue-injection box.
2. the fiber impregnation system as described in foregoing 1, wherein the spacing distance be 10 to 500mm, preferably 50 to
250mm。
3. the fiber impregnation system as described in foregoing 2, in addition to resin trap device, it is arranged on the fiber of solidification equipment
Entrance and glue-injection box between so that the resin for flowing down or dripping on through the fiber of glue-injection box is collected in the resin and received
In acquisition means.
4. the fiber impregnation system as described in foregoing 3, in addition at least one peristaltic pump, for by resin trap device
The resin pump re-injection glue box collected.
5. the fiber impregnation system as described in foregoing 1, wherein the type at the conical section bottom face and conical section top end face
Chamber section area ratio can be 15：1 to 1：Scope between 1, but not including that 1:1, preferably 10：1 to 1：Model between 1
Enclose, more preferably 6：1.
6. the fiber impregnation system as described in one of foregoing 1-5, in addition to fiber distribution fixing device, it is assemblied in injecting glue
Before the arrival end of box, the fiber distribution fixing device includes the yarn hole passed through for fiber and/or passed through for fabric
Bar seam, making fiber, either fabric according to design requirement advance comprising or is distributed in design attitude.
7. the fiber impregnation system as described in foregoing 6, wherein the yarn hole arranged in the fiber distribution fixing device is outer
The maximum outer rim border for enclosing the profile and the die cavity of glue-injection box arrival end in hole is tangent.
8. the fiber impregnation system as described in foregoing 6, including at least one mandrel, institute is entered by the arrival end of glue-injection box
Glue-injection box is stated, glue-injection box is left by the port of export of the glue-injection box through die cavity, and continues into the solidification equipment, is used for
Form the die cavity of fiber.
9. the fiber impregnation system as described in foregoing 8, wherein the fiber distribution fixing device also includes wearing for mandrel
The core axle hole crossed, and yarn hole surrounds the hole between core axle hole and glue-injection box entrance die cavity in the fiber distribution fixing device
Gap arranges, and the minimum outer diameter of the core axle hole is than the mandrel maximum outside diameter big 0 to 3mm of this position, not including 0mm, preferably
Big 0.5mm.
10. the fiber impregnation system as described in foregoing 9, when multiple mandrels be present, it can at least be arranged between two mandrels
Lower 1 row's yarn hole.
11. the fiber impregnation system as described in foregoing 1, wherein the die cavity of the glue-injection box also includes and the glue-injection box port of export
The first connected resin trap section, its least significant end be provided with the return port that is connected of this stock pipeline of wriggling, for by collection
Resin is back in glue-injection box.
12. the fiber impregnation system as described in foregoing 11, wherein the die cavity of the glue-injection box also includes parallel-segment, it is described flat
Row section is located between conical section and the first resin trap section, has the die cavity cross section equal with conical section vertex of a cone end face, described
The length of parallel-segment is 20-200mm, preferably 20-100mm.
13. the fiber impregnation system as described in foregoing 4, wherein the fiber impregnation system also includes Frictioning device, it is described
Frictioning device is arranged on the entrance of solidification equipment, has the cavity for allowing fiber or fabric to pass through.
14. the fiber impregnation system as described in foregoing 13, wherein the Frictioning device includes entrance, the fibre that fiber enters
Tie up the outlet section passed and the second resin trap section, the second resin trap section are arranged on the outside of entrance, with outlet section
Opposed slot.
15. the fiber impregnation system as described in foregoing 14, the fibre of the outlet section of the Frictioning device and the solidification equipment
The entrance of dimension is closely coupled, and sets sealing ring between the entrance of Frictioning device and the fiber of solidification equipment, to prevent from setting
Fat is revealed, and the second resin trap section of the Frictioning device is connected with resin trap groove so that resin can be collected in described
In resin trap groove.
16. the fiber impregnation system as described in foregoing 14, wherein between the entrance and outlet section of the Frictioning device also
Provided with resin circulation port, the resin circulation port is connected with the stock pipeline on peristaltic pump for by the tree in Frictioning device cavity
Fat imported into glue-injection box, while produce a certain degree of negative pressure so that will pass through the resin that impregnated of the die cavity of Frictioning device
Bubble discharge in fiber.
17. the fiber impregnation system as described in foregoing 13, wherein the size of the entrance of the Frictioning device is than fiber shape
Into section bar circumference unilateral big 0-2mm, preferably big 0-0.5mm, periphery wheel of the outlet section than fibroplastic section bar
Wide unilateral big 0.5-8mm, preferably big 2-5mm.
18. the fiber impregnation system as described in foregoing 1, the glue-injection box also includes observation window, and it is located at the cone of glue-injection box
Shape section is arranged on the top of injecting glue box wall at the arrival end of glue-injection box, and the wall thickness through injecting glue box wall connects glue-injection box
Die cavity.
19. the fiber impregnation system as described in one of foregoing 1-5, wherein the fiber impregnation system also includes positioning dress
Put, through positioning hole make glue-injection box, solidification equipment fiber entrance coaxial alignment.
20. a kind of fiber impregnation method, using the fiber impregnation system described in one of 1-19, comprise the following steps：
Fiber is set to enter in glue-injection box；
Resin is injected into resin flow channel via hole for injecting glue, to enter glue-injection box die cavity full of resin flow channel, is immersed in
The fiber passed through in glue-injection box；
Glue-injection box the port of export and solidification equipment fiber entrance between axially spaced-apart at feed fabric or
Other flaky materials of person；
Fiber is solidified in solidification equipment.
21. the fiber impregnation as described in foregoing 20, the fiber impregnation method also includes resin recycling step.
It should be understood that solidification equipment can apply to the single mould with entrance and exit or only of pultrusion cured fiber
Solidification equipment with entrance refers to a curing molding system.When solidification equipment is the mould that has entrance and exit
When, the fiber for being impregnated with resin of solidification exports from the outlet of mould, and when solidification equipment only has entrance, it is applicable to twine
Around grade cured fiber mode.Now by taking the mould with entrance and opening as an example, in the fiber impregnation system of the present invention, glue-injection box
Bottom there is bracket to be connected with being connected to the support rail of mold bottom.Fiber is imported into glue-injection box, by resin via hole for injecting glue
It is injected into resin flow channel, to enter glue-injection box die cavity full of resin flow channel, then the fiber passed through in glue-injection box is carried out
Dipping, glue-injection box the port of export and solidification equipment fiber entrance between axially spaced-apart at feed fabric or its
His flaky material, then solidifies in solidification equipment to fiber.Glue-injection box can support rail on slide back and forth and keep with
Mould separate, facilitate felt or fabric from die entrance either die nose exit plate entrance feeding, so as to avoid felt or
Fold occurs in the glue-injection box with taper for person's fabric, influences to add felt quality.Further, since glue-injection box can go forward in support rail
After slide and keep separating with mould, therefore operator can observe monitoring by glue-injection box between the outlet of glue-injection box and mould
The dipping situation of completion, so as to which operator can have found flooding problems, including understeeping, unnecessary burr etc. in time, and
Solve produced problem before into mold cured in time, improve efficiency, reduce non-wetting rate.It is equipped with the glue-injection box port of export
Resin trap plate and resin return port, and will will be led in resin trap to surge flask either other containers or using peristaltic pump
The resin collected in pipe is delivered directly in glue-injection box, avoids resin waste.
Brief description of the drawings
With reference to the following drawings, the present invention is better understood when with reference to hereafter nonrestrictive exemplary,
In accompanying drawing, identical reference number represents identical part or part.It should be understood that these accompanying drawings are nonrestrictive, may not press
Ratio is drawn, and the limitation drawn based on accompanying drawing, some features may be not shown or unmarked.In the accompanying drawings：
Fig. 1 is the schematic perspective view according to the fiber impregnation system of the present invention；
Fig. 2 is the front view of the glue-injection box with mandrel；
Fig. 3 is the schematic perspective view of the glue-injection box with mandrel；
Fig. 4 is the sectional view according to the glue-injection box of the present invention；
Fig. 5 is the perspective view according to the fiber distribution fixing device of the fiber impregnation system of the present invention；
Fig. 6 is the perspective view according to the Frictioning device of the fiber impregnation system of the present invention；
The front view and sectional view of Fig. 7 Fig. 6 Frictioning device；
Fig. 8 is the perspective view of Fig. 6 with resin trap groove；
Fig. 9 is the schematic perspective view of resin trap groove；
Figure 10 is the front view and sectional view of Fig. 9 resin trap groove；And
Figure 11 is peristaltic pump/collection device connection diagram.
Embodiment
Embodiments of the present invention are described more fully below, the example of the embodiment is shown in the drawings, wherein certainly
Begin to same or similar label eventually to represent same or similar element or there is the element of same or like function.It should be understood that
Embodiments below is only illustrative, and the present invention is not construed as limiting.Protection scope of the present invention is defined by the claims.
It should also be understood that in implementing the present invention, it may, need not include all technical characteristics in following embodiments, these technologies are special
Sign can have multiple combinations.
In the present invention, " frustoconical " it is flat with the bottom (i.e. the other end relative with tip) parallel to taper to refer to taper
The part that capable direction is clipped the tip of taper and left；The big one end of cross-sectional area is defined as conical section bottom face, transversal
Area small one end in face is defined as conical section top end face.
In the description of the invention, it is to be understood that the orientation or position of the instruction such as word " on ", " under ", " interior ", " outer "
It is based on the orientation or position relationship indicated by accompanying drawing to put relation, is for only for ease of the description present invention and simplifies description, without
It is instruction or implies that shown device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.
A kind of fiber impregnation system, including：
A. glue-injection box, for fiber impregnated resin, the glue-injection box have arrival end, the port of export, connection arrival end and
The port of export is used for the fiber die cavity passed through and the injecting glue box wall for surrounding die cavity, and the die cavity includes conical section, wherein the cone
Shape section is frustoconical, has conical section bottom face and conical section top end face, and conical section bottom face is located at glue-injection box arrival end, cone
Shape section top end face is smaller than conical section bottom face area；Glue-injection box is provided with the hole for injecting glue for resin by injection；Set inside glue-injection box
There is the resin flow channel for resin flowing, the resin flow channel connects with die cavity, and is connected with the gum-injecting port；
B. solidification equipment, the fiber of resin is impregnated with for solidifying, including has impregnated the entrance and at least of the fiber of resin
One solidification chamber；
Wherein, the entrance of the fiber of solidification equipment is spaced apart setting with glue-injection box.Wherein described spacing distance be 10 to
500mm, preferably 50 to 250mm.
According to a preferred embodiment of the invention, the fiber impregnation system also includes resin trap device, and it sets
Put between the entrance and glue-injection box of the fiber of solidification equipment so that the resin for flowing down or dripping on through the fiber of glue-injection box
It is collected in the resin trap device.The resin trap device can be surge flask or other are any for collecting resin
Container.It should be understood that it can also be multiple that the quantity of surge flask or other containers, which can be one,.
According to a preferred embodiment of the invention, the fiber impregnation system also includes at least one peristaltic pump, with
For the resin pump re-injection glue box for collecting resin trap device, to reduce resin waste, increase resin utilization rate.Ying Ling
Not necessarily, the resin of recovery can be directly transmitted back to by peristaltic pump for meeting, above-mentioned resin trap device, such as surge flask
Without being stored in surge flask in glue-injection box.
Alternatively, the die cavity section area ratio at the conical section bottom face and conical section top end face can be 15：1 to 1：
Scope between 1, but do not include 1：1, preferably 10：1 to 1：Scope between 1, more preferably 6：1.
According to one embodiment of the invention, wherein the fiber impregnation system also includes fiber distribution fixing device,
Before it is assemblied in the arrival end of glue-injection box, the fiber distribution fixing device includes the yarn hole passed through for fiber and/or is used for
Bar that fabric passes through seam, making fiber, either fabric according to design requirement advance comprising or is distributed in design attitude.
According to one embodiment of the invention, wherein the fiber impregnation system can also include at least one mandrel,
The glue-injection box can be entered by the arrival end of glue-injection box, glue-injection box is left by the port of export of the glue-injection box through die cavity, and
The solidification equipment can be continued into, for forming the die cavity of fiber.It should be understood that what mandrel was not required, it is simply a kind of to use
In the preferred embodiment for forming desired fabric.
Preferably, the fiber distribution fixing device also includes being used for the core axle hole that mandrel passes through, and yarn hole is described
The arrangement of apertures between die cavity in fiber distribution fixing device at core axle hole and glue-injection box arrival end.Fiber distribution is fixed
Device has guide effect to fiber and/or mandrel.
According to one embodiment of the invention, wherein the periphery holes in the yarn hole arranged in the fiber distribution fixing device
Profile and the die cavity of glue-injection box arrival end maximum outer rim border it is tangent, and the minimum outer diameter of the core axle hole is than this position
Mandrel maximum outside diameter big 0 to 3mm, not including 0mm, preferably big 0.5mm.When multiple mandrels be present, between two mandrels at least
1 row's yarn hole can be arranged down.
Preferably, the die cavity of the glue-injection box also includes the first resin trap section being connected with the glue-injection box port of export, and it is most
Bottom is provided with the return port being connected with the pipeline of peristaltic pump, for the resin of collection to be back in glue-injection box.
Alternatively, the die cavity of the glue-injection box also includes parallel-segment, and the parallel-segment is located at conical section and the first resin is received
Between collecting section, there is the die cavity cross section equal with conical section cone bottom face, the length of the parallel-segment is 20-200mm, preferably
For 20-100mm.
According to one embodiment of the invention, the fiber impregnation system also includes Frictioning device, the Frictioning device
Installed in the entrance of solidification equipment, there is the cavity for allowing fiber or fabric to pass through.The Frictioning device includes fiber
The outlet section and the second resin trap section that entrance, the fiber of entrance pass, the second resin trap section are arranged on entrance
The outside relative with outlet section.
In addition, the entrance of the Frictioning device and the fiber of the solidification equipment is closely coupled, and in Frictioning device and
Sealing ring is set between the entrance of the fiber of composite solidification equipment, to prevent resin from revealing.
Preferably, the fiber impregnation system also includes resin trap groove, and the resin trap groove is connected to the frictioning
The other end relative with the solidification equipment of device, i.e. the second resin trap section so that resin can be collected into the tree
In fat collecting tank, and the resin collected is transported to peristaltic pump by conduit, with recycling.It should be understood that tree as shown herein
Fat collecting tank is one kind in resin trap container, can also use other forms.
Preferably, resin circulation port, the resin circulation are additionally provided between the entrance and outlet section of the Frictioning device
Hole is connected with the stock pipeline on peristaltic pump for the resin in Frictioning device cavity to be imported into glue-injection box, while produces certain
The negative pressure of degree so that will be discharged by the bubble in the fiber for having impregnated resin of the die cavity of Frictioning device.
The size big 0-2mm more unilateral than the circumference of fibroplastic section bar of the entrance of wherein described Frictioning device,
It is preferred that big 0-0.5mm, outlet section big 0.5-8mm more unilateral than the circumference of fibroplastic section bar, preferably big 2-5mm.
According to one embodiment of the invention, the glue-injection box also includes observation window, and it is located at the conical section of glue-injection box
At the arrival end of glue-injection box, the top of injecting glue box wall is arranged on, the wall thickness through injecting glue box wall connects the die cavity of glue-injection box.
The shape of observation window can be the arbitrary shapes such as rectangle, circle or ellipse, and glue-injection box can be observed by observation window operator
The liquid level of resin in die cavity.
According to one embodiment of the invention, wherein the fiber impregnation system also includes positioner, through positioning
Hole make glue-injection box, solidification equipment fiber entrance coaxial alignment.
According to the fiber impregnation method of the present invention, it is preferable that the fiber impregnation method also includes resin recycling step.Should
Resin recycling step is sent back the resin collected at glue-injection box and Frictioning device in glue-injection box via conduit using peristaltic pump, with
Realize the recycling of resin.
According to one embodiment of the invention, the glue-injection box also includes upper enhancing plate and lower enhancing plate, wherein described
Upper enhancing plate and the lower enhancing plate are respectively attached to the upper wall and lower wall of the injecting glue box wall.Upper enhancing plate attaches to glue-injection box
Upper wall, which is provided with pore size distribution corresponding with hole for injecting glue and mounting hole, for strengthen glue-injection box upper wall rigidity, prevent due to
Glue-injection box caused by pressure inside glue-injection box deforms.Lower enhancing plate attaches to glue-injection box lower wall, and it is arranged to carry U-type groove,
Facilitate upper and lower, left and right adjusting glue-injection box position while strengthen rigidity.
According to one embodiment of the invention, wherein the fiber impregnation system also includes positioner, such as position
Pin, can pass through positioning hole make glue-injection box, solidification equipment fiber entrance coaxial alignment.
A kind of fiber impregnation system according to one embodiment of the invention is further described below according to accompanying drawing 1-11,
Wherein solidification equipment is typically the mould of entrance and exit.
Fig. 1 shows the stereogram of the fiber impregnation system according to the present invention, as shown in figure 1, fiber impregnation system 01 is wrapped
Include：Glue-injection box 1, Frictioning device 2, solidification equipment 3, fiber distribution fixing device 4, mandrel 5, peristaltic pump 6 and resin trap groove 7.
Mandrel 5 enters glue-injection box 1 through fiber distribution fixing device 4, and solidification equipment 3 is entered via Frictioning device 2 through glue-injection box 1
In.Mandrel 5 and fiber distribution fixing device 4 are not required in that, are the preferred realities for forming desired fabric product
Apply scheme.Glue-injection box 1 is arranged in mounting system 9, and solidification equipment 3 is arranged on mounting system 9 by the supporting plate of its bottom
On, glue-injection box 1 can slide back and forth on the support rail of mounting system 9 and keep separating with solidification equipment 3.Glue-injection box 1 and solidification
The relative position of device 3 can be by being placed in mounting system or asking the adjusting apparatus such as set screw on rail to adjust to reach
The entrance of the glue-injection box port of export and the fiber of solidification equipment is coaxial and consistent, and positioner can be the positioning no less than one
In the industries such as pin, chute have experience personnel it is conceivable that other method.Fiber is impregnated in glue-injection box, is then passed through
Frictioning device is solidified in solidification equipment.
Generally, glue-injection box length is 100mm-1000mm, and specific length is relevant with section bar specification, excellent in the present embodiment
Selection of land uses the glue-injection box of 650mm length, in addition, glue-injection box wall thickness is about 10mm-120mm, specific thickness is set with solidification equipment
Meter and section bar complexity are relevant, preferably use glue-injection box of the wall thickness for 30mm in the present embodiment.
Referring to Fig. 2-4, the structure of the glue-injection box in the present embodiment is described in detail.Fig. 2 is the injecting glue with mandrel 5
The front view of box 1, understood with reference to Fig. 3, mandrel 5 enters the die cavity 110 of glue-injection box 1 from the arrival end of glue-injection box, and glue-injection box 1 enters
Typically there are fillet, radius of corner scope 2 to 50mm in mouth end, it is preferred to use 3 to 6mm.
Glue-injection box 1 is typically made such as ANK80 mould steel/P20 mould steel using metal material, but be not excluded for using plastics or
The design that person's plastics are combined with metal phase, when especially having fast proofing demand, it is proposed that be made of plastics such as UHMPE.Specifically
Ground, glue-injection box 1 are made up of conical section 11, the resin trap section 13 of parallel-segment 12 and first.Arrival end of the conical section 11 from glue-injection box 1
Start, die cavity tapering along the axially extending of glue-injection box, be formed as conical section bottom face and than conical section bottom face area
The area ratio of small conical section top end face, wherein conical section bottom face and conical section top end face can be 15：1 to 1：Between 1
Scope, preferably 10：1 to 1：Scope between 1, in the present embodiment by conical section bottom face and conical section top end face
Area ratio elect 6 as：1, further, conical section is 0.1 ° to 20 ° with the cone angle that median plane is formed, it is therefore preferable to which 0.1 ° is arrived
3 °, further preferably 0.5 ° to 1.5 °.At least one injecting glue ring is provided with conical section part, injecting glue ring is arranged on glue-injection box
Inside, forms the injecting glue runner 14 of annular together on the die cavity perisporium of glue-injection box, and the cross-sectional width of injecting glue runner can be
3mm to 200mm, it is therefore preferable to which 5mm to 16mm, the depth of injecting glue runner is 3mm to 50mm, it is therefore preferable to 4mm to 15mm, Ying Li
Solution, when a plurality of injecting glue runner be present, the cross sectional shape of a plurality of injecting glue runner can be with identical, can also be different.Cross sectional shape bag
Include but be not limited to semicircle, water-drop-shaped is trapezoidal, prismatic, irregular polygon etc..In the present embodiment, further preferably
UsingSemicircular injecting glue runner.Furthermore it is also possible to injecting glue runner is arranged to the edge on the die cavity inwall of glue-injection box
The axially distribution annular in shape of the die cavity inwall of glue-injection box.Glue-injection box 1 is provided with hole for injecting glue 15 so that resin injects in conical section, hole for injecting glue
15 penetrate injecting glue box walls and are connected with injecting glue runner 14, and the position of hole for injecting glue 15 can be the optional position on glue-injection box wall, lead to
Cross drilling to realize and the connection of injecting glue runner 14, it is preferable that hole for injecting glue 15 is located on the cross section where annular resin runner
Any position, it is further preferable that the top of 15 glue-injection box of hole for injecting glue 1 is transversal with the annular resin F-L curve exported close to glue-injection box
The position of line centered on face.In the present embodiment, as shown in Figure 4, hole for injecting glue positional distance glue-injection box entrance 400mm
Place, and positioned at the middle of resin flow channel.According to product complexity, the quantity of hole for injecting glue can be more than one, preferably
The distance between ground, gum-injecting port is 30mm to 200mm, preferably 80-150mm, and the relative position up and down of resin flow channel opens up
There is gum-injecting port.A diameter of 2mm to 30mm of hole for injecting glue, it is preferablyHole for injecting glue in internal thread and other rows to have
Connection and sealing mode and injected rubber hose connection and sealing known to experience personnel.Preferably, engagement thread connects with injected rubber hose within
Connect.Resin in injected rubber hose enters resin flow channel by hole for injecting glue, hence into inside glue-injection box.
The conical section top end face that parallel-segment 12 is disposed proximate to conical section 11 continues to extend, and using conical section top end face as
Cross section, extend iso-cross-section, i.e., there is equal cross section all the time in the length of parallel-segment 12.Parallel-segment 12 can be used
In holding impregnation pressure and strike off excessive resin.Immediately parallel-segment 12 continues to extend first resin trap section 13, positioned at note
The outlet side of glue box 1, wherein the first resin trap section 13 is provided with the resin return port 16 for being used for exporting resin, resin is received
Collect in surge flask either other containers and the resin in surge flask or in conduit is either extracted by injecting glue using peristaltic pump
In box.It should be understood that surge flask is not necessary, peristaltic pump can be directly by resin transfer into glue-injection box.Preferably, noting
At the port of export of glue box, resin trap plate is attached at the outer face of the first resin trap section, to prevent resin from leaking outside.
In the present embodiment, as an exemplary illustration (being not intended to limitation the scope of the present invention), the length of conical section
It is 30mm to spend for 600mm, parallel segment length, and the length of the first resin trap section is 20mm.Furthermore it is preferred that glue-injection box 1 is also set
There is observation window 17, it is located at glue-injection box arrival end 25mm, and the upper wall for being shaped to rectangle in glue-injection box axially extends, and sees
The die cavity that window 17 is examined with the inside of glue-injection box 1 communicates, and observation window length is generally 100-300mm, preferably 150-300mm.At this
In embodiment, observation window length is 275mm.The resin that operating personnel can be detected in glue-injection box by means of observation window injects feelings
Condition, including injecting height, injection rate etc..It should be understood that the shape of observation window can be ellipse, rectangle etc..Furthermore it is also possible to
Covering is provided for observation window, to prevent water from grading into inside glue-injection box.
It may be noted that in the shown embodiment, for convenience of description, glue-injection box 1 is counted as integrally formed structure,
But in actual applications, clear up for convenience, glue-injection box typically at least 2,2 chip architectures are connected to each other to form injecting glue
Box, particular sheet number are relevant with the complexity of product.For example, glue-injection box has a upper mould and a lower mould, by upper mould
Fixed with lower mould by screw or bolt, so as to form a glue-injection box.In actual applications, it is general to useExtremely
Screw locking, screw can be interior hexagonal, can be to be hexagon.
Referring again to Fig. 1, and the fiber distribution fixing device schematic diagram shown in reference picture 4, the porch dress of glue-injection box 1
There is fiber distribution fixing device 4, there is multiple yarn holes 41 and reserved core axle hole 42 in fiber distribution fixing device 4, yarn hole 41 is enclosed
It is distributed around core axle hole 42, is passed through for yarn, the diameter in yarn hole is generally 3 to 8mm, it is preferable that a diameter of 4-6mm, yarn hole both ends
With fillet R1 to R5mm, preferably R1-R3mm.Wherein, the periphery holes in the yarn hole 41 arranged in fiber distribution fixing device 4
The maximum outer rim border of profile and the die cavity at the arrival end of glue-injection box 1 is tangent.In addition, the mandrel in fiber distribution fixing device 4
The minimum outer diameter in hole 42 is than the mandrel maximum outside diameter big 0 to 3mm of this position, preferably big 0.2-2mm.Preferably, fiber distribution is solid
The yarn hole for determining device is generally diameter 5mm, and the yarn radical in each yarn hole is 2 to 4 4800Tex, but it is not recommended that continuously arranges 4
Root 4800Tex yarns, by formula, every square millimeter has 0.3552 4800Tex yarn to calculate yarn radical.Mandrel is in glue-injection box
Taper, 1 row's yarn hole can be at least arranged down when multiple mandrels be present, between mandrel.
In addition, be generally also equipped with thread board (not shown) at the arrival end of glue-injection box, the yarn state of distribution of pores of thread board with
The yarn pore size distribution of fiber distribution fixing device is identical, all relevant with the complexity of product, and the profile of thread board is with it in injecting glue
The profile of die cavity in box at present position is tangent.
In addition, the entrance of solidification equipment 3 is equipped with Frictioning device 2, plays auxiliary and immerse and collect Excess resin.Frictioning device
2 include three parts：The small entrance 21 of size and larger-size outlet section 22 and the second tree on the outside of entrance
Fat collection section 23.The size of entrance big 0-2mm typically more unilateral than product profile, preferably big 0-0.5mm, outlet section is i.e. and solidification
One section of device portal contact, big 3-8mm typically more unilateral than product profile, preferably 4-6mm, is used between its middle outlet and entrance
Positive and negative arc transition.Frictioning device is connected with solidification equipment, and the one side contacted with solidification equipment has seal groove, to prevent from setting
Fat is revealed.Resin circulation port 26 is additionally provided between the entrance 21 and outlet section 22 of Frictioning device, it is upper through Frictioning device
Wall thickness, the resin circulation port are connected for the resin in Frictioning device cavity to be imported into note with the stock pipeline on peristaltic pump
Glue box, while produce a certain degree of negative pressure so that the gas in the fiber for having impregnated resin of the die cavity of Frictioning device will be passed through
Bubble discharge..Resin trap groove 7 is installed on the outside of second resin trap section of Frictioning device, tree is provided with resin trap groove 7
Fat collects hole 25, for Excess resin to be recycled using peristaltic pump, re-injects into glue-injection box.In addition, it should be understood that
Resin in resin trap groove can be imported into surge flask or other containers in.Preferably, resin passes through resin trap
Hole is passed through at the observation window of peristaltic pump return port glue-injection box, into glue-injection box.
According to the fiber impregnation system of the present invention, fiber is impregnated in glue-injection box, then entered by Frictioning device
In solidification equipment, solidified in the solidification chamber of solidification equipment.Because glue-injection box can slide back and forth and keep on support rail
Separated with solidification equipment, felt or fabric can be fed from the Frictioning device entrance of solidification equipment entrance either solidification equipment front end
Enter, without being fed in glue-injection box entrance, so as to avoid felt or fabric that fold occurs in the glue-injection box with taper, influence
Add felt quality.Further, since glue-injection box can slide back and forth on support rail and keep separating with solidification equipment, therefore in glue-injection box
Outlet and solidification equipment between operator can observe monitoring by glue-injection box complete dipping situation, so as to operator can and
Shi Faxian flooding problems, including understeeping, unnecessary burr etc., and solve to occur in time before solidification equipment solidification is entered
The problem of, improve efficiency, reduce non-wetting rate.In addition, operator can also see according between glue-injection box and solidification equipment
The dipping situation observed decides whether to carry out plus felt or fabric.Dress can have resin trap plate and resin to receive at the glue-injection box port of export
Collect hole, and peristaltic pump will be either used in resin trap to surge flask either other containers by surge flask or in conduit
Resin is extracted in glue-injection box, can avoid resin waste.
Preferably, the glue-injection box of fiber impregnation system of the invention also includes upper enhancing plate 18 and lower enhancing plate 19.Upper increasing
Strong plate 18 attaches to glue-injection box upper wall, which is provided with pore size distribution corresponding with hole for injecting glue and mounting hole, for strengthening glue-injection box
Upper wall rigidity, glue-injection box deforms caused by preventing the pressure inside the glue-injection box.Lower enhancing plate 19 is attached under glue-injection box
Wall, it is arranged to carry U-type groove, facilitates upper and lower, left and right adjusting glue-injection box position while strengthen rigidity.
Preferably, fiber impregnation system of the invention also includes supporting plate 10, and it is installed in mounting system, with fiber point
With fixing device similarly, supporting plate 10 is provided with the yarn hole corresponding with the yarn hole in fiber distribution fixing device and core axle hole
And core axle hole, for support mandrel and clamping yarn.
Preferably, fiber impregnation system of the invention also includes stopping means, prevents glue-injection box from exceeding maximum travel limit.
Preferably, fiber impregnation system of the invention also includes positioner, such as alignment pin, through positioning hole, with
Positioned in glue-injection box, solidification equipment, Frictioning device and fiber distribution fixing device.
The fiber impregnation system of the present invention also includes peristaltic pump, is rotated by the extruding of peristaltic pump by the resin in surge flask
Extract in glue-injection box.
Compared with prior art, the present invention has advantages below：
This fiber impregnation system is separated using glue-injection box with solidification equipment, and resin trap device is housed, and can be very good
Solve the problems, such as felt or Fabric preform, while farthest save resin.
Although describing the embodiment of the present invention with reference to the accompanying drawings, it will be understood by those skilled in the art that
The present invention is not limited to the above-described embodiments, in the claim without prejudice to the present invention technical key point that limits and
A variety of changes, modification can be carried out in the case of scope to above-mentioned embodiment, replaces and deforms.
Claims (10)
1. a kind of fiber impregnation system, including：
A. glue-injection box, for fiber impregnated resin, the glue-injection box to have arrival end, the port of export, connection arrival end and outlet
End is used for the fiber die cavity passed through and the injecting glue box wall for surrounding die cavity, and the die cavity includes conical section, wherein the conical section
For frustoconical, there is conical section bottom face and conical section top end face, conical section bottom face is located at glue-injection box arrival end, conical section
Top end face is smaller than conical section bottom face area；Glue-injection box is provided with the hole for injecting glue for resin by injection；It is provided with and supplies inside glue-injection box
The resin flow channel of resin flowing, the resin flow channel connects with die cavity, and is connected with the gum-injecting port；
B. solidification equipment, the fiber of resin is impregnated with for solidifying, including is impregnated with the entrance of the fiber of resin and at least one
Solidify chamber；
Wherein, the entrance of the fiber of solidification equipment is spaced apart setting with glue-injection box.
2. fiber impregnation system according to claim 1, in addition to resin trap device, it is arranged on the fibre of solidification equipment
Between the entrance and glue-injection box of dimension so that the resin for flowing down or dripping on through the fiber of glue-injection box is collected in the resin
In collection device, in addition at least one peristaltic pump, for the resin pump re-injection glue box for collecting resin trap device.
3. fiber impregnation system according to claim 1 or 2, in addition to fiber distribution fixing device, it is assemblied in injecting glue
Before the arrival end of box, the fiber distribution fixing device includes the yarn hole passed through for fiber and/or passed through for fabric
Bar seam, making fiber, either fabric according to design requirement advance comprising or is distributed in design attitude.
4. fiber impregnation system according to claim 3, including at least one mandrel, entered by the arrival end of glue-injection box
The glue-injection box, glue-injection box is left by the port of export of the glue-injection box through die cavity, and continue into the solidification equipment, used
In the die cavity for forming fiber.
5. fiber impregnation system according to claim 1, wherein the die cavity of the glue-injection box also includes exporting with glue-injection box
The first connected resin trap section of end, its least significant end are provided with the return port being connected with this stock pipeline of wriggling, for that will collect
Resin be back in glue-injection box.
6. fiber impregnation system according to claim 5, wherein the die cavity of the glue-injection box also includes parallel-segment, it is described flat
Row section is located between conical section and the first resin trap section, has the die cavity cross section equal with conical section vertex of a cone end face, described
The length of parallel-segment is 20-200mm, preferably 20-100mm.
7. fiber impregnation system according to claim 1, wherein the fiber impregnation system also includes Frictioning device, it is described
Frictioning device is arranged on the entrance of solidification equipment, has the cavity for allowing fiber or fabric to pass through, wherein the frictioning
Device includes outlet section and the second resin trap section that entrance, the fiber that fiber enters pass, the second resin trap section
The outside of entrance is arranged on, it is relative with outlet section.
8. fiber impregnation system according to claim 7, wherein between the entrance and outlet section of the Frictioning device also
Provided with resin circulation port, the resin circulation port is connected with the stock pipeline on peristaltic pump for by the tree in Frictioning device cavity
Fat imported into glue-injection box, while produce a certain degree of negative pressure so that will pass through the resin that impregnated of the die cavity of Frictioning device
Bubble discharge in fiber.
9. fiber impregnation system according to claim 1, the glue-injection box also includes observation window, and it is located at the cone of glue-injection box
Shape section is arranged on the top of injecting glue box wall at the arrival end of glue-injection box, and the wall thickness through injecting glue box wall connects glue-injection box
Die cavity.
10. a kind of fiber impregnation method, using the fiber impregnation system described in one of claim 1-9, comprise the following steps：
Fiber is set to enter in glue-injection box；
Resin is injected into resin flow channel via hole for injecting glue, to enter glue-injection box die cavity full of resin flow channel, is immersed in injecting glue
The fiber passed through in box；
Glue-injection box the port of export and solidification equipment fiber entrance between axially spaced-apart at feed fabric or its
His flaky material；
Fiber is solidified in solidification equipment.
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| CN201610576178.XA CN107639860B (en) | 2016-07-21 | 2016-07-21 | Fiber impregnation system |
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| CN201610576178.XA CN107639860B (en) | 2016-07-21 | 2016-07-21 | Fiber impregnation system |
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| CN107639860B CN107639860B (en) | 2021-06-25 |
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Cited By (4)
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| CN109397715A (en) * | 2018-11-28 | 2019-03-01 | 苏州久美玻璃钢股份有限公司 | A set of wrapping machine receives gluing equipment automatically |
| 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 |
| 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 |
| WO2020107241A1 (en) * | 2018-11-28 | 2020-06-04 | 苏州久美玻璃钢股份有限公司 | Automatic glue collecting devices of winding machine |
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| 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 |
| 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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| CN107639860B (en) | 2021-06-25 |
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