CN1559776A - Manufacturing method and device of structure composite containing long fiber - Google Patents
Manufacturing method and device of structure composite containing long fiber Download PDFInfo
- Publication number
- CN1559776A CN1559776A CNA2004100187349A CN200410018734A CN1559776A CN 1559776 A CN1559776 A CN 1559776A CN A2004100187349 A CNA2004100187349 A CN A2004100187349A CN 200410018734 A CN200410018734 A CN 200410018734A CN 1559776 A CN1559776 A CN 1559776A
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- CN
- China
- Prior art keywords
- extruder
- melt
- macromolecular material
- screw
- circle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A method and apparatus for making a composite structure containing the long fibres (natural fibre, synthetic fibre, carbon fibre, or glass fibre) features that its apparatus has at least one extruder and one long fiber dipping unit containing a pair of circular rods which have different diameters and are driven by a speed variable motor to rotate in different directions.
Description
Technical field
The invention belongs to what plastics molding process and apparatus field thereof, relate to a kind of long fibre (can be become what endless such as natural goods fiber, synthetic fibers, carbon fiber, glass fibre etc.) and fill the manufacture method that strengthens structural composites, specially refer to the required mechanical device of this method of enforcement.
Background technology
Fiber, especially long fibre are the excellent material that a class remedied, strengthened performances such as macromolecular material and composition thereof machinery, by macromolecular material manufacturing and the extensive use of processing and forming industrial quarters.Studies have shown that long more as the fibre length of filling reinforce, the mechanical strength of its plastic products etc. are good more, the machine-shaping difficulty is also big more certainly.
German patent DE 3835574A1 discloses a kind of long fibre and has soaked and cover extrusion device, be used to make long fiber reinforced polymer, so that the fiber loading can reach 70% cubical content, this device is made up of two parallel housings, polymer passes through long fibre between soaking and covering, the draw-off mechanism but long fibre must lead, whole device is complicated.
U.S. Pat 6221293B1 discloses a kind of soaking through plastics such as polypropylene and has covered long fibre and by a kind of method and apparatus of its reinforced plastics.According to this patent, long fibre such as glass fibre are introduced into a fiber and soak coating device, and soak coating device by an extruder to this and clamp-on polypropylene, making glass fibre be subjected to soaking covers, soaked and entered a double screw extruder again by a space after the glass fibre that covers has gone out to soak coating device, mix with polymer body and prescinded, drawn by this double screw extruder, polymer through mixing enters a single screw extrusion machine again by this double screw extruder, and with single screw extrusion machine in mixing of materials, go out cross-head afterwards and enter next mechanical device such as cutting machine.Obviously, the disclosed method more complicated of this patent, used plant equipment is various, and the production cost of investment is very big.
U.S. Pat 6550954 discloses a kind of plastics and has extruded the manufacturing method and apparatus that soaks the mixture that covers fiber, the device of describing in this patent application prospectus soaks coating device by a double screw extruder and a cover and forms, wherein soak and comprise four round rollers in the coating device, each circle roller is driven by a variable speed electric motors, particularly, per two is a pair of, every pair of round roller rotates in the opposite direction, soaks on the opening that coating device is directly installed on the extruder barrel side.Long fibre soaks coating device inlet and enters, and through entering another behind a pair of round roller guide to working the round roller that soaks the effect of covering, and is soaked by it and to cover, and enters extruder afterwards.This soaks coating device, and a pair of soaking covered round roller and had identical circle footpath, driven and rotates with friction speed by separately motor respectively.The whole still complexity of coating device of soaking.
Summary of the invention
The solution that the purpose of this invention is to provide economy overcomes existing long fibre and soaks defective and the deficiency of covering reinforced plastics method and device thereof, and it is even to guarantee to be soaked the macromolecular material thickness that covers on the long fibre simultaneously, thereby guaranteeing to be soaked covers fiber keeps maximum possible when further mixing with a large amount of macromolecular materials length, be difficult for by embrittlement or brittle failure, so that final fibrous structural composites has outstanding mechanical strength.
The device that the present invention relates to is simply energy-conservation, and manufacturing cost is lower.
The method that the present invention relates to comprises:
A) from covering that fiber mixes with being soaked, tell one melt-flow at least in fusion macromolecular material in same extruder or the macromolecular material parent, allow this melt-flow flow into the antidromous round roller surface that a pair of diameter in the coating device differs of soaking that is placed on the same extruder, and this two circle melt between roller is distributed to the long fibre that constantly passes through betwixt by these two round rollers, soak coating layer ranges in thickness and uniformity by distance control and regulation between the two circle rollers, soaking the long fibre that covers from the quilt that comes out between two circle rollers is introduced between screw rod external diameter and two circle rollers, the also space of pbz polymer material melt, enter the space between screw rod and screw sleeve (extruder barrel) inwall again, and with the macromolecular material melt mixed in this space, contain to be soaked and cover long stapled macromolecular material melt and under screw rod rotation drives, constantly advance, enter follow-up forming machine device by outlet towards outlet of extruder.
B) produce the similar and different fusion macromolecular material that produces with the driving screw extruder by another screw extruder, this melt enters and is placed in soaking in the coating device on the driving screw extruder, the surface, antidromous round roller top that at least one pair of diameter differs, and this two circle melt between roller is distributed to the long fibre that constantly passes through betwixt by these two round rollers, soak coating layer ranges in thickness and uniformity by distance control and regulation between the two circle rollers, soaking the long fibre that covers from the quilt that comes out between two circle rollers is introduced between screw rod external diameter and two circle rollers, the also space of pbz polymer material melt, enter the space between screw rod and screw sleeve (extruder barrel) inwall again, and with the macromolecular material melt mixed in this space, contain to be soaked and cover long stapled macromolecular material melt and under screw rod rotation drives, constantly advance, enter follow-up forming machine device by outlet towards outlet of extruder.
The mechanical device that the present invention relates to is: one comprise at least one screw rod, one have a charging aperture, a side or top long fibre feeding mouth, at least one or do not have for vacuumizing or the extruder of natural exhaust outlet fuselage, the coating device that soaks that is installed between extruder melting mixing section, this device comprises that a pair of diameter differs, only drive antidromous round roller by a variable speed electric motors, particularly, this can be regulated according to soaking coating thickness on the required fiber spacing between the circle roller.
The favourable mechanical device of another that the present invention relates to is: cover macromolecular material and parent macromolecular material not simultaneously when soaking, adopt another screw extruder manufacturing to soak to cover melt and with its clamp-on be connected with the driving screw extruder with this extruder, contain the differ coating device that soaks of antidromous round roller of at least one pair of diameter.The quilt that comes out between rollers from two circles soak screw rod external diameter and two that the long fibre that covers is introduced into the driving screw extruder justify between rollers, the also space of pbz polymer material melt, enter the screw rod of driving screw extruder and the space between screw sleeve (extruder barrel) inwall again, and with the macromolecular material melt mixed in this space, contain to be soaked and cover long stapled macromolecular material melt and under the screw rod rotation drives, constantly advance towards the outlet of driving screw extruder.
Description of drawings
Fig. 1 is the generalized section of soaking coating device that is connected with a double screw extruder side that method involved in the present invention is implemented in expression.
Fig. 2 is that being produced by another screw extruder of expression enforcement method involved in the present invention soaked the manufacturing installation schematic diagram that contains long stapled structural composites that covers melt.
The specific embodiment
The manufacture method that contains long stapled structural composites involved in the present invention and the specific embodiment of device for carrying out said thereof are described in detail as follows with reference to accompanying drawing:
With reference to Fig. 1:
One is installed in and contains a twin-screw (8,9) soak coating device (3) between extruder (10) melting mixing section, this device (3) comprises that a pair of diameter differs, only drive antidromous round roller (4 by a variable speed electric motors, particularly (not shown), 5), this can be regulated according to soaking coating thickness on the required fiber spacing between the circle roller.
Long fibre (1) enters by roller (2) and soaks a pair of round roller (4 in the coating device (3), 5) between, passed through runner (6,7) from extruder and screw rod (8,9) external diameter and two circle rollers (4,5) melt-flow on space inflow circle roller (4,5) surface is soaked and is covered between, soaks coating layer ranges in thickness and uniformity by two circle rollers (4,5) distance control and regulation between, soak the long fibre (1) that covers from the quilt that comes out between two circle rollers (4,5) and be introduced into screw rod (8,9) external diameter and two circle rollers (4,5), the also space of pbz polymer material melt, enter the space between screw rod (8,9) and the screw sleeve inwall again, and with the macromolecular material melt mixed in this space.
With reference to Fig. 2:
With the main charging aperture (30) of macromolecular material or its mixture adding driving screw extruder (10), material obtains disperseing mixing, plastifying fusion, quilt through successive operating extruder (10) or is not deflated, and becomes melting charge.
With another screw extruder (20) make soak cover melt and with its clamp-on be connected with driving screw extruder (10) with this extruder (20), contain that at least one pair of diameter differs antidromous round roller (4,5) soak coating device (3).From two circle rollers (4,5) quilt that comes out between soaks the screw rod (8 that the long fibre (1) that covers is introduced into driving screw extruder (10), 9) external diameter and two is justified between rollers, the also space of pbz polymer material melt, enter the screw rod (8 of driving screw extruder (10) again, 9) and the space between screw sleeve (extruder barrel) inwall, and with the macromolecular material melt mixed in this space, contain to be soaked and cover long stapled macromolecular material melt at screw rod (8,9) rotation drives down and constantly advances towards the outlet of driving screw extruder (10), enters follow-up forming machine device (40) by outlet.
Claims (7)
1. by a kind of at least one extruder, device that soaks coating device of comprising, make the method that contains long stapled structural composites, it is characterized in that:
1) macromolecular material or its mixture are added the charging aperture of screw extruder, maybe will be not or the macromolecular material system that is mixed with other materials add the charging aperture of extruder,
2) material obtains disperseing mixing, plastifying fusion, quilt through successive operating extruder or is not deflated, and becomes melting charge,
3) from covering that fiber mixes with being soaked, tell one melt-flow at least in fusion macromolecular material in same extruder or the macromolecular material parent, allow this melt-flow flow into the antidromous round roller surface that a pair of diameter in the coating device differs of soaking that is placed on the same extruder, and this two circle melt between roller is distributed to the long fibre that constantly passes through betwixt by these two round rollers, soak coating layer ranges in thickness and uniformity by distance control and regulation between the two circle rollers, soaking the long fibre that covers from the quilt that comes out between two circle rollers is introduced between screw rod external diameter and two circle rollers, the also space of pbz polymer material melt, enter the space between screw rod and screw sleeve (extruder barrel) inwall again, and with the macromolecular material melt mixed in this space, contain to be soaked and cover long stapled macromolecular material melt and under screw rod rotation drives, constantly advance, enter follow-up forming machine device by outlet towards outlet of extruder.
4) produce the similar and different fusion macromolecular material that produces with the driving screw extruder by another screw extruder, this melt enters and is placed in soaking in the coating device on the driving screw extruder, the surface, antidromous round roller top that at least one pair of diameter differs, and this two circle melt between roller is distributed to the long fibre that constantly passes through betwixt by these two round rollers, soak coating layer ranges in thickness and uniformity by distance control and regulation between the two circle rollers, soaking the long fibre that covers from the quilt that comes out between two circle rollers is introduced between screw rod external diameter and two circle rollers, the also space of pbz polymer material melt, enter the space between screw rod and screw sleeve (extruder barrel) inwall again, and with the macromolecular material melt mixed in this space, contain to be soaked and cover long stapled macromolecular material melt and under screw rod rotation drives, constantly advance, enter follow-up forming machine device by outlet towards outlet of extruder.
2. device according to claim 1, it is characterized in that: its extruder is to comprise at least one screw rod, or in the same way or antidromous twin-screw, one have a main charging aperture, at least one auxilliary charging aperture, at least one is for vacuumizing or the machine of the fuselage of natural exhaust outlet.
3. device according to claim 2 is characterized in that: its extruder is to comprise at least one screw rod, or in the same way or antidromous twin-screw, a machine that has a main charging aperture, at least one auxilliary charging aperture fuselage.
4. device according to claim 1, it is characterized in that: it soaks coating device a long fibre inlet and an outlet, at least one pair of diameter differs, drives antidromous round roller by a variable speed electric motors, particularly, and this can be regulated according to soaking coating thickness on the required fiber spacing between the circle roller.
5. device according to claim 1 is characterized in that: it soaks coating device and is installed on the side or top spout of extruder melting mixing section.
6. according in the claim 1 3) described device, it is characterized in that: its soak have in the coating device wall one melt-flow at least from the screw extruder barrel to the runner on a pair of round roller surface.
7. according in the claim 1 4) described device, it is characterized in that: it soaks coating device an inlet that is connected with another screw extruder outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100187349A CN1559776A (en) | 2004-03-11 | 2004-03-11 | Manufacturing method and device of structure composite containing long fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100187349A CN1559776A (en) | 2004-03-11 | 2004-03-11 | Manufacturing method and device of structure composite containing long fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1559776A true CN1559776A (en) | 2005-01-05 |
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ID=34440783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100187349A Pending CN1559776A (en) | 2004-03-11 | 2004-03-11 | Manufacturing method and device of structure composite containing long fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1559776A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069543A (en) * | 2009-11-20 | 2011-05-25 | 合肥杰事杰新材料有限公司 | Method for preparing bicycle frame from long-fiber reinforced thermoplastic composite material through on-line direct molding |
| CN112512773A (en) * | 2018-08-03 | 2021-03-16 | 克劳斯玛菲科技有限公司 | Method and apparatus for manufacturing fiber-reinforced plasticizers |
-
2004
- 2004-03-11 CN CNA2004100187349A patent/CN1559776A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069543A (en) * | 2009-11-20 | 2011-05-25 | 合肥杰事杰新材料有限公司 | Method for preparing bicycle frame from long-fiber reinforced thermoplastic composite material through on-line direct molding |
| CN102069543B (en) * | 2009-11-20 | 2014-06-18 | 合肥杰事杰新材料股份有限公司 | Method for preparing bicycle frame from long-fiber reinforced thermoplastic composite material through on-line direct molding |
| CN112512773A (en) * | 2018-08-03 | 2021-03-16 | 克劳斯玛菲科技有限公司 | Method and apparatus for manufacturing fiber-reinforced plasticizers |
| CN112512773B (en) * | 2018-08-03 | 2023-04-04 | 克劳斯玛菲科技有限公司 | Method and apparatus for manufacturing fiber-reinforced plasticizers |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |