CN208697737U - A kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus - Google Patents
A kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus Download PDFInfo
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- CN208697737U CN208697737U CN201821286067.6U CN201821286067U CN208697737U CN 208697737 U CN208697737 U CN 208697737U CN 201821286067 U CN201821286067 U CN 201821286067U CN 208697737 U CN208697737 U CN 208697737U
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- pressure roller
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- reinforced thermoplastic
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Abstract
The utility model discloses a kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus, including lift control system and impregnation mold main body.Lift control system fixed on the ground using lifting fixed frame, can dynamic pressure roller be connected with lift control system, positioned at impregnation mold upper end.It is the import template for being provided with long narrow flat hole on the left of impregnation mold, right side is the outlet template for being provided with several tiny circular holes, and fibre bundle is passed through import template and outlet template using length straight finer wire.Mould inside be located at be provided with fixed pressure roller below fiber impregnation channel and elevating mechanism controls can dynamic pressure roller be in that product word is interspersed.Using the utility model there is a situation where fibre bundle is used up or when fiber is broken, can not open die cover, i.e., fiber can be changed quickly greatly promotes production efficiency, while also ensuring production safety.It is acted on by pressure roller, and can be reduced the good infiltration that fluffing and broken yarn phenomenon realization and resin occurs in fibre bundle.
Description
Technical field
The utility model relates to fiber imbibition technique field more particularly to a kind of long fiber reinforcement composite material infiltration dresses
It sets.
Background technique
Long fiber reinforced thermoplastic composites (LFT) are that a kind of reinforcing fiber retains long length in resin matrix
Composite material, have a significant effect in terms of the mechanical property improvement of general-purpose plastics, engineering plastics and special engineering plastics
With wide application prospect.Long fiber reinforced thermoplastic composites technology is to realize general-purpose plastics, engineering plastics high performance
One of important engineering technology, the most attention by domestic and international scientific research department and industry in recent years.
Several fiber wetting methods are disclosed in patent CN103847109A, CN1037679, CN202037882U, it is special
Sign is before preparing master batch, and mold upper cover is opened under room temperature, multiple fibre bundles is passed through mold inlet and outlet one by one, starting squeezes out
Liquid resin is poured into mold by machine, restarts dragger, disperses fiber by mould inside strainer, and will be by resin infiltration
Fibre bundle pull out mold to carry out air cooling and water cooling, obtain composite material presoaked stick, cut to obtain by cutting machine compound
Material master batch.However, often occurring fiber failure in process of production, cause mould inside fiber accumulations, hinders production
It carries out.At this moment, it needs to wait and opens mold cleaning broken fiber and remaining resin, reproduction of entrying again after the mold is cooled.
Mold cleaning process needs the long period, seriously affects working efficiency and yield, and is difficult to ensure production safety.
Therefore it provides a kind of fibre reinforced composites infiltration simple, efficient, fiber is uniformly dispersed, dipping effect is good
Device is current urgent problem to be solved.
Summary of the invention
In order to overcome above-mentioned deficiency, the purpose of the utility model is to provide a kind of leachings of long fiber reinforced thermoplastic composites
Moisten device.Fibrous band contracture is crossed mold, while the pressure applied by mould inside pressure roller using finer wire by the present apparatus, makes fiber
Beam is unfolded just to may be implemented in this way in liquid resin do not open die cover in the case where quickly entry, also ensure that fiber obtains
To the abundant infiltration of resin.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of long fiber reinforced thermoplastic composites infiltration apparatus of the utility model, including infiltration mold, technology are wanted
Point is to be provided with fiber infiltration runner in mold.Fiber infiltration runner on the upside of be provided with can dynamic pressure roller, can dynamic pressure roller be fixed on
On elevating mechanism, controlled by elevating mechanism；Downside is provided with fixed pressure roller.The inlet and outlet of mold is placed with template respectively, into
It is provided with long narrow flat hole on mouth template, exports and is provided with tiny circular hole in template, is connected to fiber infiltration runner, die side is equipped with leaching
Stain melt feed inlet, dipping melt feed inlet are communicated with fiber impregnation runner.
The installation process and principle of infiltration apparatus are as follows:
Preparation before producing: the long straight wire connecting with fibre bundle is manually inserted into the long narrow of die inlet template first
Import, then be pierced by from the tiny circular hole of mould outlet template, it pulls out fibre bundle and is compacted.At this time can dynamic pressure roller be in promoted shape
State.
Production run: thermoplastic melt enters fiber impregnation runner by feed inlet, by controlling elevating mechanism, makes
Can dynamic pressure roller drop under fixed pressure roller plane.Fibre bundle, which is located at, to be squeezed and make through pressure roller between dynamic pressure roller and fixed pressure roller
With fibre bundle is sufficiently spread out in roller surface, and realization is well infiltrated with resin.It is involved, obtains long fibre after cooling cutting and increase
Heat-flash plastic composites master batch.
Step working process as above is followed, such as occurs broken yarn phenomenon in process of production, then stops squeezing out feed immediately, together
When control elevating mechanism make can dynamic pressure roller be in promotion state, entry manually, then decline can dynamic pressure roller to fixation pressure roller hereinafter,
It can be realized and continue to produce.
Preferably, long narrow import is provided in the import template of mold；It is provided with tiny circular hole in outlet template, diameter is generally
2-3mm, quantity is 20-50, even more, is distributed side by side.
Preferably, mould inside is provided with 4 fixed pressure rollers, and the lifting control mechanism of mold upper end is fixed with 3 movably
Pressure roller, 1 can the corresponding 2 fixed pressure rollers of dynamic pressure roller, in the distribution interlaced with each other of product shape.Fixed pressure roller and can dynamic pressure roller number
It can be adjusted accordingly according to the quantity of wetting fibre tow.
Preferably, 3 on lifting control mechanism can dynamic pressure roller be unified goes up and down, and lifting distance is adjustable, and maximum range value can
Up to 20cm.Elevating mechanism can be gone up and down with Electronic control, manually implemented can also be gone up and down.
Preferably, pressure roller material can be the ordinary steel of stainless steel, abrasion-resistant stee, heat resisting steel or having coating layer on surface.
Preferably, according to mold size, the fibre bundle quantity produced every time, 1 beam is differed to 100 beams.
Preferably, long straight finer wire diameter is not more than 1mm, and length is greater than die length 20cm or more.
Preferably, reinforcing fiber can be glass fibre, carbon fiber, aramid fiber, basalt fibre, high density polyethylene (HDPE)
Fiber, polypropylene fibre etc. be inorganic or organic fiber in any one or more assorted fibre；Also can be used has enhancing fine
The composite fibre of peacekeeping resin fibre.
Preferably, resin can be polyethylene, polypropylene, high density polyethylene (HDPE), nylon, polyvinyl chloride, polycarbonate, gather
The thermoplastic resins such as ethylene glycol terephthalate, thermoplastic polyurethane, polyphenylene sulfide, polyether sulfone.
The utility model compared with prior art, has the advantages that
Using utility model device when being infiltrated to long fiber reinforced thermoplastic composites fiber, such as fruit fiber
It is broken, it can be in the case where needing to open die cover, the fibre bundle cleaning that will be just broken, to greatly improve production
Efficiency.And by the effect of pressure roller, it can not only reduce fibre bundle and fluffing and broken yarn phenomenon occurred, but also be able to achieve good with resin
Infiltration.Based on the above technology, also reduced in operation because misoperation causes the probability of safety accident.
Detailed description of the invention
Fig. 1 is the device front schematic view that fibre bundle is not infiltrated
Fig. 2 is the top view of infiltration apparatus
Fig. 3 is that infiltration apparatus removes the right view after lifting fixed frame
Fig. 4 is that infiltration apparatus removes the left view after lifting fixed frame
Fig. 5 is that infiltration apparatus produces schematic diagram when fibre bundle is infiltrated
Wherein, 1, elevating mechanism, 2, impregnation mold, 3, fibre bundle, 4, can dynamic pressure roller, 5, fixed pressure roller, 6, die inlet
Template, 7, mould outlet template, 8, lifting fixed frame, 9, bolt, 10, screw rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained under the premise of no creative work
The all other embodiment obtained belongs to the protection scope of the utility model.
Embodiment:
Please refer to Fig. 1-4, a kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus, including elevating control machine
Structure 1 and impregnation mold main body 2, lifting fixed frame 8 are placed on ground, are consolidated lifting control mechanism 1 using bolt 9 and screw rod 10
Be scheduled on lifting fixed frame 8 on, can dynamic pressure roller 4 be fixed on lifting control mechanism 1, inside impregnation mold main body 2 be arranged fix
Pressure roller 5, is import template 6 on the left of impregnation mold main body 2, and right side is outlet template 7, disengaging mouth template and impregnation mold main body 2
Interior dipping runner communicates.
Described, 60 beam of glass fibre is selected, the straight finer wire of the length of every bundle fiber and diameter 0.5mm, which knots, to be connected, manually
It is inserted into from the long narrow flat hole of impregnation mold import template 6, as shown in Figure 3, then is pierced by from the tiny circular hole of mould outlet template 7,
As shown in Figure 2, it is tight to pull out post-tensioning vertical compression.At this time can dynamic pressure roller 4, as shown in Figure 1, be in promotion state.
Described, as shown in Figure 4, acrylic resin pours into fiber impregnation mold 2 by feed inlet, elevating mechanism 1 is controlled,
Decline three can dynamic pressure roller 4 to four fixed 5 planes of pressure roller hereinafter, allow fibre bundle with can dynamic pressure roller 4 and fixation pressure roller 5
Intimate surface contact, using traction induced effect, fibre bundle can be sufficiently spread out on the surface of pressure roller, well infiltrate with resin.
It is involved, after cooling, the long fiber reinforced thermoplastic composites pellet that is cut into the desired length.
It is described, if there is fiber failure or fibre bundle is used up, stop machinery operation, make can dynamic pressure roller be in and promoted
State penetrates fibre bundle again, and it is tight to pull out post-tensioning vertical compression, decline can dynamic pressure roller, can resume operation.It calculates and repeats institute's used time
Between be no more than 20 minutes.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (8)
1. a kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus, including elevating mechanism and impregnation mold, feature
Fixed frame will be gone up and down by, which being, is placed on ground, is fixedly connected with elevating mechanism with lifting fixed frame using bolt screw rod；It rises
Descending mechanism connection can dynamic pressure roller be located at impregnation mold upper end.
2. a kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus according to claim 1, it is characterised in that:
It is import template on the left of impregnation mold, import template is provided with long narrow flat hole.
3. a kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus according to claim 1, it is characterised in that:
It is outlet template on the right side of impregnation mold, outlet template is provided with several tiny circular holes, exports the general diameter of tiny circular hole in template
For 2-3mm, the number of tiny circular hole is 20-50, and the output of fiber is directly proportional to the outlet circular hole number of template.
4. a kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus according to claim 1, it is characterised in that:
Impregnation mold side is equipped with dipping melt feed inlet and communicates with the fiber impregnation channel of mould inside, and dipping melt passes through feed inlet
The infiltration of fiber is realized into fiber impregnation channel.
5. a kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus according to claim 1, it is characterised in that:
The fiber impregnation upper part of channel of fiber impregnation mould inside be provided with by elevating mechanism control can dynamic pressure roller, lower part is provided with solid
The fixation pressure roller being scheduled in impregnation mold；Can dynamic pressure roller and fixed pressure roller it is interlaced with each other, be distributed in product word.
6. a kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus according to claim 1, it is characterised in that:
Before carrying out fiber infiltration, Fibrous band contracture is crossed into impregnation mold using finer wire, completion is quickly entried.
7. a kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus according to claim 1, it is characterised in that:
Elevating mechanism can be gone up and down with Electronic control.
8. a kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus according to claim 1, it is characterised in that:
Elevating mechanism can manually control lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821286067.6U CN208697737U (en) | 2018-08-10 | 2018-08-10 | A kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821286067.6U CN208697737U (en) | 2018-08-10 | 2018-08-10 | A kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus |
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| Publication Number | Publication Date |
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| CN208697737U true CN208697737U (en) | 2019-04-05 |
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| CN201821286067.6U Active CN208697737U (en) | 2018-08-10 | 2018-08-10 | A kind of long fiber reinforced thermoplastic composites fiber infiltration apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941868A (en) * | 2020-07-10 | 2020-11-17 | 青岛大学 | Full-automatic PTFE film/fiber stretching sintering machine and stretching sintering method |
| CN114801254A (en) * | 2022-03-31 | 2022-07-29 | 哈尔滨工业大学 | Melt impregnation die and method for continuous fiber reinforced high-viscosity thermoplastic resin composite material |
-
2018
- 2018-08-10 CN CN201821286067.6U patent/CN208697737U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941868A (en) * | 2020-07-10 | 2020-11-17 | 青岛大学 | Full-automatic PTFE film/fiber stretching sintering machine and stretching sintering method |
| CN114801254A (en) * | 2022-03-31 | 2022-07-29 | 哈尔滨工业大学 | Melt impregnation die and method for continuous fiber reinforced high-viscosity thermoplastic resin composite material |
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