CN103660321A - Bundle splitting device in continuous fiber enhanced thermoplastic resin fusion and impregnation equipment and application method thereof - Google Patents
Bundle splitting device in continuous fiber enhanced thermoplastic resin fusion and impregnation equipment and application method thereof Download PDFInfo
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- CN103660321A CN103660321A CN201310750490.2A CN201310750490A CN103660321A CN 103660321 A CN103660321 A CN 103660321A CN 201310750490 A CN201310750490 A CN 201310750490A CN 103660321 A CN103660321 A CN 103660321A
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- fiber
- beam splitting
- parts
- fibre bundle
- fine
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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
- 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
- B29C70/523—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement in the die
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Reinforced Plastic Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention relates to a bundle splitting device in a continuous fiber enhanced thermoplastic resin impregnation device and an application method thereof. The bundle splitting device comprises a fiber feeding part and a fiber bundle splitting part, wherein the fiber feeding part is a cavity; the fiber bundle splitting part can be fixedly arranged in the fiber feeding part to separate the cavity into two or more independent fiber bundle splitting channels, and a flat collection channel is formed by converging the two or more independent fiber bundle splitting channels. When the independent fiber bundle splitting channels of the bundle splitting device have a fiber breaking condition, the fiber bundle splitting part is pulled out and broken fiber bundles are broken by bundles and are stuck with the broken fibers; the broken fiber bundles are driven by the fibers which are not broken to enter the fiber feeding part; when a sticking part enters the fiber feeding part, the parallel fiber bundles are separated by the fiber bundle splitting part and the fiber bundle splitting part is fixedly arranged in the cavity of the fiber feeding part. According to the device and the method provided by the invention, the broken fibers can be treated without opening an impregnation mould head so as to ensure that the machine is not stopped in the production process.
Description
Technical field
The present invention relates to minute beam device in a kind of continuous fiber reinforced thermoplastic resin immersion system.Beam-splitting method when in addition, the invention still further relates to multiply fiber and being advanced into die head.
Background technology
Continuous fiber reinforced thermoplastic resin be a kind of fiber along the reinforced composite of the unidirectional distribution of particle direction, this material can be selected different process to produce long fiber reinforcement pellet and continuous fiber to strengthen prepreg tape material in preparation process.
Long fibre pellet has high strength, high rigidity, dimensionally stable, antifatigue, low warpage, resistance to creep, serviceability temperature advantages of higher, can increase substantially the mechanical property of resin material, expands its range of application.The prepreg tape material that continuous fiber strengthens can be applicable to the Wrapping formed of thermoplastic composite, pultrusion, and automated tape-laying, in the moulding process such as automatic fiber placement.Therefore, no matter be at general-purpose plastics, engineering plastics, or special engineering plastics field all has broad application prospects.
The mechanical property of continuous fiber reinforced thermoplastic resin material and the performance of fortifying fibre and content; The deployment conditions of fiber in resin; The performance of resin matrix; And the interface bonding state of fiber and resin matrix has direct relation.Roving glass fiber material is applied to the fields such as automobile, machinery, electrical equipment, Aero-Space at present, and for example, the front end assemblies in automobile, bumper, instrument board, door module etc. have all extensively adopted long fiber material.
The key problem in technology of continuous fiber reinforced thermoplastic composite material is to solve the dipping of fiber in resin and complete scattering problem.Had at present the patent relevant to the impregnating equipment of continuously/long fiber reinforced thermoplastic composites and impregnation technology to deliver out, but these patents do not solve fiber well while there is disconnected fibre as why not affected the problem of repairing and returning to normal production in the situation of normal production.No matter adopt waveform, or the impregnated structures of godet form, all to allow continuous tow through a die head that is full of pressurized melt, at crest and trough, godet top and below tensioning repeatedly, and with contact point friction, continuous fiber is evenly launched, and contact dipping with molten resin.But continuous tow is when contacting with dispersed structure, its inner the stressed of every fiber is different, therefore, in the process of CONTACT WITH FRICTION, stressed excessive fibre single thread will fracture, and then in die head inside, causes disconnected fine, accumulation along with the time, can cause blocking dipping passage, finally cause fiber broken yarn, impact is produced.
Patent CN1037679 discloses a kind of impregnation mold of continuous fiber reinforced thermoplastic composite material, it is characterized in that utilizing the dipping runner of sine curve shape to flood fiber.Do not take into account fine problem of interrupting.Patent CN101913255A discloses a kind of impregnation mold of continuous fiber reinforced thermoplastic resin composite material, it has installed disk spreader in die head inside, fiber is dispersed expansion under the effect of spreader, but the friction between fiber, resin and disk spreader can cause part debris to be trapped in the space between disk in process of production, long-term accumulation will inevitably cause the fracture of fibre bundle, and impact is normally produced.In patent CN102367003, introduced a kind of dipping method of continuous fiber reinforced thermoplastic plastics, be provided with many runners arranged side by side in die head, each dipping runner is independently, during fibre bundle dipping, is independent of each other.Once disconnected fine generation in this structure, also necessary breaks in production, affects the continuity of producing.
In sum, there is following problem in prior art:
(1) in continuous flow procedure, fiber need to continuously enter die head, and fiber is owing to disperseing roller early stage, drying tunnel, and under the rubbing action of porch, easily there is fracture, and occur after fracture, need to shut down and adjust, continuous production has been caused to impact.
(2) way that adopts multiple fibre simultaneously to enter same passage, can partial solution the fine problem connecing again of resolution, still, multiple fibre enters same passage can cause overlapping between fibre bundle, and greatly reduce the degree that is uniformly dispersed of fibre bundle, unfavorable to dipping process.
Summary of the invention
For solve above-mentioned fiber occur fracture need to shut down revise, continue after fiber enter dipping die head and disperse uneven problem, the invention provides the beam splitting Apparatus and method in a kind of continuous fiber-reinforced thermoplastic resin resin impregnation device.
Concrete scheme is as follows:
A beam splitting arrangement for continuous fiber reinforced thermoplastic resin melt impregnation equipment, is characterized in that, comprises
One enters fine parts, this enter fine parts be one comprise an entrance and one outlet cavity;
One minute fibre bundle parts, described within this minute, fibre bundle parts can be fixed on, enter in fine parts, cavity is divided into two or more individual fibers at entrance side and divides beam passage, and one at flat converging channel outlet side, that divide beam passage to merge by these two or more individual fibers.
Preferably, described minute fibre bundle parts will enter fine parts cavity and be divided into a Y type passage.
Preferably, described converging channel be a flat converging channel so that adjacent individual fibers beam splitting arranged side by side is passed through, this flat converging channel height adapts with the diameter of individual fibers beam splitting.
Preferably, within described minute, fibre bundle parts one end is sharp end, and the other end is for semicircle is to be divided into fiber bundle by the bundle dividing of parallel adjacency.
Preferably, described minute fibre bundle parts be a cross section be fan-shaped, highly with the consistent plug-in unit of cavity.
Preferably, described in, enter the slot that is provided with fixing described minute fibre bundle parts in the cavity of fine parts.
Preferably, described individual fibers beam splitting feeder connection is the slotted hole of cross-sectional diameter 5-20mm.
Use a beam-splitting method for aforesaid beam splitting arrangement, divide beam passage do not occur disconnected fine situation when the individual fibers of beam splitting arrangement, the fibre bundle of fiber roll divides beam passage to send into from individual fibers, enters converging channel and sends side by side, to flood.
A kind of beam-splitting method that uses aforesaid beam splitting arrangement, when the individual fibers of beam splitting arrangement is divided the disconnected fine situation of appearance in beam passage, will divide fibre bundle parts to extract, the fiber beam splitting broken end that occurs fracture is binded with the fiber beam splitting that does not occur fracture, by not occurring entering the drive of the fiber beam splitting of fracture in minute fine parts; When binding part, enter in minute fine parts, use minute fibre bundle parts that follow-up collateral fiber beam splitting is separated, and will divide fibre bundle parts fixing back in fine parts cavity.
Preferably, described bonding is glued yarn device by air and is realized.
Beneficial effect of the present invention is: the present invention is by introduce continuously two bundles or the above fiber of two bundles simultaneously, avoided in continuous flow procedure, no matter be the defect (forming in preparation or transportation) of fibre bundle itself or the disconnected fine situation that fibre bundle causes in the roller system of die head mouth and die head inside, when there is disconnected fibre, can produce with that disconnected Shu Jixu, and from fiber head reconnection, without opening dipping die head, process, improved production efficiency.
Accompanying drawing explanation
The application drawing of Fig. 1 the present invention in continuous fiber reinforced thermoplastic resin impregnation technology;
Fig. 2-1st, the integrated structure schematic diagram of apparatus of the present invention;
Fig. 2-2nd, the dispersed structure schematic diagram of apparatus of the present invention
Fig. 3 is the cutaway view of apparatus of the present invention;
Fig. 4 is the normal operating conditions cutaway view of apparatus of the present invention;
Fig. 5 is the disconnected fine duty cutaway view of apparatus of the present invention;
Fig. 6-1st, the disconnected fine subsequent steps schematic diagram 1 of apparatus of the present invention;
Fig. 6-2nd, the disconnected fine subsequent steps schematic diagram 2 of apparatus of the present invention;
Symbol description:
Divide fibre bundle parts 1; Enter fine parts 2; Divide fibre bundle part to take out hole 3; Divide fibre bundle parts slot 4; The first fiber divides beam passage 51; The second fiber divides beam passage 52; Multiple fibre converging channel 6.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Referring to Fig. 1, is the application drawing of the present invention in continuous fiber reinforced thermoplastic resin impregnation technology, and fiber roll is sent multiple fibre into dipping die head by this beam splitting arrangement.In prior art without this device, for single bundle fiber is directly sent into dipping die head.
Refer to Fig. 2-1～Fig. 2-2, embedding overall diagram and parts dispersion schematic diagram for beam splitting arrangement of the present invention, this device comprises that one contains the fine parts 2 of entering of fiber entry and fiber outlet and and can insert minute fibre bundle parts 1 that are fixed on into fine parts inside cavity, this minute fibre bundle parts 1 be a cross section be fan-shaped, highly with the consistent plug-in unit of cavity.Refer to Fig. 3, for entering the generalized section of fine parts 2, this enter in the cavity of fine parts 2, be also provided with one fixing minute fibre bundle parts 1 minute fibre bundle parts slot 4 to fix this parts, and also can be provided with on minute fibre bundle parts 1, take out hole 3, when needs taking-up divides fibre bundle parts 1, thin wire can be inserted in 3 and conveniently will divide fibre bundle parts 1 to take out from enter fine parts 2.When minute fibre bundle parts 1 are fixedly inserted in when interior into fine parts 2, the inside cavity first half that enters fine parts 2 is separated two mutual disconnected the first fibers of work and divides beam passage 51 and the second fiber to divide beam passage 52, and these two passages merge into fiber beam splitting converging channel 6 at afterbody.This converging channel 6 is a flat channel, so that adjacent individual fibers beam splitting arranged side by side is passed through, this flat converging channel 6 highly adapts with the diameter of individual fibers beam splitting.This binary channels side of entering fine parts 2 is that fiber to be impregnated is introduced side, and this converging channel 6 that enters fine parts 2 connects dipping die head.Converging channel 6 can be inserted into the end of die head, to the continuous fiber by beam splitting arrangement is introduced to impregnating equipment.Minute fibre bundle parts 1 one end is that sharp end be take and the bundle dividing of parallel adjacency is divided into fiber bundle, one end as semicircle, is produced excessive friction when avoiding entering fibre bundle.Refer to Fig. 4, for beam splitting arrangement state (do not occur disconnected fine) in normal operation, two strands of fibre bundles divide beam passage 51 and the second fiber to divide beam passage 52 to enter into the cavity of fine parts 2 from the first fiber respectively, and to converging channel 6, two bundle fibers walk abreast to advanced by lead.Above-mentioned beam splitting arrangement is in disconnected fine situation, and using method is as follows:
During normal production, when the fibre bundle of finding silvalin volume is with hauling machine motion, illustrate that this fibre bundle resolves fibre.In the situation that not stopping normal production, start lapped fiber bundle.Refer to Fig. 5, the present embodiment be take the first fiber, and to divide the interior fibre bundle of beam passage 51 that disconnected fibre occurs be example.
First, refer to Fig. 6-1, to divide fibre bundle parts 1 therefrom to take out from entering fine parts 2, and clean out the residual fluoropolymer resin in porch, rear at die head arrival end, place far away, utilize air to glue yarn device, divide the broken end of the interior fibre bundle f1 of beam passage 51 and the second fiber to divide fiber f2 not disconnected in beam passage 52 to be bonded together (f1 in Fig. 6-1 the first fiber, f2 is connected to the part of z word), refer to Fig. 6-2, under the effect of hauling machine, not disconnected fiber f2 restraints disconnected fiber f1 by another and is brought in cavity, now, the part that two strands of fibers bond together has entered converging channel 6, anterior be the parallel fibre bundle of follow-up two bundle.
Connect fiber during this period of time in, the material strip of this passage is owing to being single-stranded fiber, so the glass fiber content of pellet can be subject to some impacts; Meanwhile, while having overlapped, because two strands of fibers are combined, there is overlapping possibility, also can cause a small amount of pellet internal fiber to disperse uneven.
The part being bonded together when two strands of fibers enter into fine parts 2 cavitys or until the bonding part of two bundle fibers completely when entering fine parts 2 cavity, to divide fibre bundle parts 1 to insert from the follow-up parallel fibre bundle of two bundles rear jag, and the parallel fibre bundle of two bundles is separated until minute fibre bundle parts 1 are fixed into a minute fibre bundle parts slot 4, enter again beam splitting arrangement duty as shown in Figure 4.
This enters the continuity that fine mode can guarantee production process, has guaranteed again fiber impregnation dispersion effect and impregnating effect simultaneously.
In this example, in a die head passage, adopt two bundle fibers to produce continuously, because single bundle fiber has larger probability disconnected fine, and the parallel mode of employing two bundle fibers, when mass of fibers ruptures arbitrarily therein, another bundle fiber can be snapped on not disconnected fiber, by it, draw die head, and just can resume production very soon, can greatly improve the continuity of production.
During concrete enforcement, also can take multiple fibre to realize, be about to cavity and be divided into a plurality of autonomous channels, when there is disconnected fine situation, with an adjacent minute bundle fiber, bond.Also two passage beam splitting arrangements in can adopting a plurality of embodiment when dipping, each beam splitting arrangement multichannel side enters two bundle fibers simultaneously, the slotted hole of the cross-sectional diameter 5-20mm of continuous tow inlet port, fibre bundle is under the effect of beam splitting arrangement, separately enter beam splitting arrangement, converge side by side into converging channel 6, and send into follow-up dipping die head by converging channel 6.
Only for the preferred embodiment of invention, be not used for limiting practical range of the present invention in sum.Be that all equivalences of doing according to the content of the present patent application the scope of the claims change and modify, all should be technology category of the present invention.
Claims (9)
1. a beam splitting arrangement for continuous fiber reinforced thermoplastic resin melt impregnation equipment, is characterized in that, comprises
One enters fine parts, this enter fine parts be one comprise an entrance and one outlet cavity;
One minute fibre bundle parts, described within this minute, fibre bundle parts can be fixed on, enter in fine parts, cavity is divided into two or more individual fibers at entrance side and divides beam passage, and one at converging channel outlet side, that divide beam passage to merge by these two or more individual fibers.
2. beam splitting arrangement as claimed in claim 1, is characterized in that, described minute fibre bundle parts will enter fine parts cavity and be divided into a Y type passage.
3. beam splitting arrangement as claimed in claim 1, is characterized in that, described converging channel be a flat converging channel so that adjacent individual fibers beam splitting arranged side by side is passed through, this flat converging channel height adapts with the diameter of individual fibers beam splitting.
4. beam splitting arrangement as claimed in claim 2, is characterized in that, described minute fibre bundle parts one end is that sharp end, one end are for semicircle is to be divided into fiber bundle by the bundle dividing of parallel adjacency.
5. beam splitting arrangement as claimed in claim 4, is characterized in that, described minute fibre bundle parts be a cross section be fan-shaped, highly with the consistent plug-in unit of cavity.
6. beam splitting arrangement as claimed in claim 1, is characterized in that, described in enter the slot that is provided with fixing described minute fibre bundle parts in the cavity of fine parts.
7. beam splitting arrangement as claimed in claim 1, is characterized in that, described individual fibers beam splitting feeder connection is the slotted hole of cross-sectional diameter 5-20mm.
8. a beam-splitting method that uses beam splitting arrangement as claimed in claim 1, it is characterized in that, when the individual fibers of beam splitting arrangement, divide beam passage and do not occur disconnected fine situation, the fibre bundle of fiber roll divides beam passage to send into from individual fibers, enter converging channel and send side by side, to flood.
9. a beam-splitting method that uses beam splitting arrangement as claimed in claim 1, it is characterized in that, when the individual fibers of beam splitting arrangement is divided the disconnected fine situation of appearance in beam passage, will divide fibre bundle parts to extract, the fiber beam splitting broken end that occurs fracture is binded with the fiber beam splitting that does not occur fracture, by not occurring entering the drive of the fiber beam splitting of fracture in fine parts; When binding part, enter in fine parts, use minute fibre bundle parts that follow-up collateral fiber beam splitting is separated, and will divide fibre bundle parts fixing back in fine parts cavity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750490.2A CN103660321B (en) | 2013-12-31 | 2013-12-31 | The beam splitting arrangement of continuous fiber reinforced thermoplastic resin melt impregnation equipment and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750490.2A CN103660321B (en) | 2013-12-31 | 2013-12-31 | The beam splitting arrangement of continuous fiber reinforced thermoplastic resin melt impregnation equipment and using method thereof |
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| CN103660321A true CN103660321A (en) | 2014-03-26 |
| CN103660321B CN103660321B (en) | 2016-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130185A (en) * | 2018-10-25 | 2019-01-04 | 哈尔滨工程大学 | A kind of rolling-type continuous fiber photocuring 3D printing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110054108A1 (en) * | 2005-11-23 | 2011-03-03 | Milgard Manufacturing Incorporated | Resin for composite structures |
| CN202037882U (en) * | 2011-05-09 | 2011-11-16 | 山东理工大学 | Impregnating mold of continuous/long fiber reinforced thermoplastic composite material |
| CN102367003A (en) * | 2011-09-20 | 2012-03-07 | 四川大学 | Equipment and method for impregnating continuous long fiber reinforced thermoplastics |
| CN102704075A (en) * | 2012-06-26 | 2012-10-03 | 东华大学 | Filament beam splitting two-axis unfolding device and application |
| CN203004331U (en) * | 2012-12-07 | 2013-06-19 | 苏州荣昌复合材料有限公司 | Device for producing continuous fiber reinforcement thermoplastic composite |
-
2013
- 2013-12-31 CN CN201310750490.2A patent/CN103660321B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110054108A1 (en) * | 2005-11-23 | 2011-03-03 | Milgard Manufacturing Incorporated | Resin for composite structures |
| CN202037882U (en) * | 2011-05-09 | 2011-11-16 | 山东理工大学 | Impregnating mold of continuous/long fiber reinforced thermoplastic composite material |
| CN102367003A (en) * | 2011-09-20 | 2012-03-07 | 四川大学 | Equipment and method for impregnating continuous long fiber reinforced thermoplastics |
| CN102704075A (en) * | 2012-06-26 | 2012-10-03 | 东华大学 | Filament beam splitting two-axis unfolding device and application |
| CN203004331U (en) * | 2012-12-07 | 2013-06-19 | 苏州荣昌复合材料有限公司 | Device for producing continuous fiber reinforcement thermoplastic composite |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130185A (en) * | 2018-10-25 | 2019-01-04 | 哈尔滨工程大学 | A kind of rolling-type continuous fiber photocuring 3D printing device |
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| CN103660321B (en) | 2016-03-09 |
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Effective date of registration: 20180709 Address after: 242500 Jingxian County Road, Jingxian County Economic Development Zone, Xuancheng Patentee after: Anhui Wan Dendrobium environmental protection & Technology Co., Ltd. Address before: 200237 No. 130, Meilong Road, Shanghai, Xuhui District Patentee before: East China University of Science and Technology |