CN102601961B - Device for preparing nano laminated composite material with adjustable layers - Google Patents
Device for preparing nano laminated composite material with adjustable layers Download PDFInfo
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- CN102601961B CN102601961B CN201210069341.5A CN201210069341A CN102601961B CN 102601961 B CN102601961 B CN 102601961B CN 201210069341 A CN201210069341 A CN 201210069341A CN 102601961 B CN102601961 B CN 102601961B
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- composite
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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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
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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
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
- B29C48/495—Feed-blocks
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a device for preparing a nano laminated composite material with adjustable layers. The device comprises a plasticizing feeding device, a flow gatherer, a flow divider, a neck mould, a composite laminator, a rear end neck mould and a forming device which are sequentially in series connection from front to back. N melts plasticized by the plasticizing feeding device are superposed together by the flow gatherer and the superposed melts are equally divided into four parts along the width direction when passing through the flow divider, each melt flows to the neck mould of a sprue, the neck mould can be rotatably adjusted at an initial position at which four inlets are communicated or at a second position at which two inlets are communicated, an outlet of the neck mould is connected with the composite laminator, a composite material with a multilayer structure with 4nXmk or 2nXmk layers can be finally superposed by adjusting the position of the neck mould, and the melts continue to flow forwards and pass through the forming device, so that a final product is obtained. The composite laminator is high in layering efficiency, the number of units in series connection can be decreased, pressure loss is greatly reduced, and layers of the finally obtained composite material are changed by rotatably adjusting the position of the neck mould.
Description
Technical field
The invention belongs to advanced material processing technique field, relate to the adjustable device for preparing nano laminated composite material of a kind of number of plies, can prepare multi-layer compound structure macromolecular material and goods by compound extruded or composite injection moulding.
Background technology
Micro-nano laminated composite materials is unique owing to having advantages of at aspects such as mechanical property, barrier property, electric conductivity, optical properties, and application prospect is extensive, thereby becomes the study hotspot of Material Field.Current published patent has United States Patent (USP) 3557265,3565985,3884606 the earliest, and Chinese patent CN1511694A afterwards, 200610022348.6 etc.A nearest patent of invention 2009202718783, a kind of device for preparing nano laminated composite material is disclosed, this device has been broken through the restriction that original technology is divided into two, can realize one be divided into three even more, yet, adopt this technical scheme, obtain the composite of the different numbers of plies, the series connection number that must change the compound generator of lamination, complicated operation is dumb.And, the consideration of proceeding from the reality, the entrance of the compound generator of lamination is counted m can not be too many, because minute mouthful number bring larger difficulty too much not only can to the processing of the compound generator of lamination, also can cause final melt flows uneven phenomenon, thereby affect the Forming Quality of laminated composite materials.On the other hand, the series connection of the compound generator of lamination also unsuitable too much because along with the increase of serial number, flow resistance increases, the back pressure of generation also constantly increases, and when compounding flux moulding, even may cause flash.Therefore, want to obtain desirable high quality nano level laminated composite materials, must find more effectively solution, to overcome above-mentioned deficiency.
Summary of the invention
For prior art in the deficiency of preparing aspect high-performance nano laminar composite, object of the present invention aim to provide a kind ofly cut apart that efficiency is higher, the symmetry that flows is good, the pressure loss is little and by rotary laminated lay device front port mould, can change simply and effectively the lamination apparatus of the composite material forming number of plies in delaminating process.Meanwhile, this technology can be extended to injection moulding field from extrusion molding field; And can be adapted to preparation and the processing and forming of multiple nano composite material.
The concrete technical scheme that can realize foregoing invention object is as follows: the device for preparing nano laminated composite material that a kind of number of plies is adjustable, the plasticizing feeding device being connected in series successively before and after mainly comprising, junction station, current divider, mouthful mould, composite laminate device, rear end junction station and shaped device, junction station is overlapped into the melt from n plasticizing feeding device the compounding flux of n layer, the thickness of interlayer can be identical can be not identical yet, by the runner gap of interlayer, guaranteed.The outlet of junction station is docked with the entrance of current divider, current divider has four entrances, compounding flux broad ways average mark when leaving junction station and enter current divider is slit into the quartering, wherein two runners in outside are horizontal DC road, and structure is symmetrical, and two runners of inner side are turned round up and down respectively and are turn 90 degrees, the vertical runner when horizontal run during all by entrance changes outlet into, and the structure of two runners is also symmetrical.And these four runners lay respectively at 0 degree, 90 degree, 180 degree and the 270 degree positions of same circumference on the pelvic outlet plane of current divider.From each runner of current divider melt out, continue to flow to forward in the mouth mould of docking with it.Mouth mould is having the straight channel of the vertical and horizontal direction corresponding with current divider outlet up and down with position, left and right, suppose outlet when these four entrances and the current divider initial position for mouthful mould during corresponding connection, in addition, becoming in 45 degree directions, to be also furnished with two circumference balance runners that shape size is identical with the horizontal run of this mouthful of mould, if mouth mould is turned over to 45 degree counterclockwise or clockwise by initial position edge, a mouthful mould will only have two runner entrances to be communicated with the outlet of current divider, supposes that this position is for the second place of mouthful mould.So, by changing the link position of mouthful mould, can change the runner number that mouthful mould is communicated with, thereby change the composite number of plies of final molding.The entrance channel of composite laminate device can dock completely with a mouthful outlet flow for mould initial position, and these four runners are distributed in 0 degree, 90 degree, 180 degree and the 270 degree positions of same circumference equally.The entrance of each runner is slit into m equal portions by average mark, when each equal portions continues to flow forward in lamination device, turn round and turn 90 degrees and broadening m times, at the port of export separately, mutually conflux and become the laminated construction of n * m layer, the melt canal exporting after composite laminate device entrance melt canal size and 90-degree rotation is measure-alike; Dock the composite laminate device of a same 90-degree rotation, each runner in exit can obtain the laminated construction of n * m * m layer again; If k same composite laminate device of series connection, each runner in last composite laminate device exit can obtain 4 * n * m
kthe layer composite material of layer, the outlet of last composite laminate device is docked with rear end junction station, one group of runner in the junction station of rear end is symmetrical straight channel, and another group balance runner is turned round and turn 90 degrees rear flattening and converge, and from these four runners MULTILAYER COMPOSITE melt out, is finally overlapped into 4 * n * m
kthe layer composite material of layer (now a mouthful mould is positioned at initial position) or 2 * n * m
kthe layer composite material of layer (now a mouthful mould is adjusted to the second place), obtains end article thereby these multilayer materials finally can continue to move forward into shaped device.N and m are not less than 2 integer, and k is not less than 1 integer.For example: after the macromolecule melt of two kinds of components is confluxed, through the compound generator of lamination of 5 deciles, 5 the identical composite laminate devices of connecting, are 4 * 2 * 5 if very moment mould, when initial position, can obtain total number of plies
5the multi-layer compound structure body of=25000 layers, this stratiform melt is extruded from the outlet of the thick shaped device of 1mm, the layer thickness mean value of two kinds of macromolecular materials is 40nm, if while being further stretched to 0.1mm thickness, the layer thickness of every kind of macromolecular material of this composite can reach 4nm; And when a mouthful mould is rotated to the second place, can obtain total number of plies is 2 * 2 * 5
5the multi-layer compound structure body of layer, this stratiform melt is extruded from the outlet of the thick shaped device of 1mm, the layer thickness mean value of two kinds of macromolecular materials is 80nm, if while being further stretched to 0.1mm thickness, the layer thickness of every kind of macromolecular material of this composite can reach 8nm.
The device for preparing nano laminated composite material that a kind of number of plies of the present invention is adjustable, if be used as a series circulation unit by current divider, mouthful mould, composite laminate device, rear end junction station are whole, the number of plies of so plastic layer composite material is n * (4 * m)
kor n * (2 * m)
k, utilize the device of this structure can prepare relatively easily the nano composite material that layer thickness is less than 100nm, and without dismounting composite laminate device in the situation that, by adjusting mouthful mould position one-shot forming, obtain the multilayer materials of the different numbers of plies.The composite laminate device layering efficiency adopting due to the present invention is high, reach identical hierarchy number, series unit number reduces, runner symmetry is good, relevant pressure loss significantly reduces, thereby also can adopt in the injection moulding that needs high speed filling flow, simultaneously, the design that melt is cut apart rear 90-degree rotation makes lamination runner in the process of broadening and attenuation that flows, easily keep symmetrical structure, designing and manufacturing technique is simple, precision easily guarantees, and the adaptability to material improves greatly, in addition, also can be by regulating mouthful mould to change the number of plies of final composite.
The plasticizing feeding device of the device for preparing nano laminated composite material that a kind of number of plies of the present invention is adjustable is extruder, injection machine or die casting machine.The material of plasticizing feeding device processing is polymer-based composite, ceramic matric composite or metal-base composites.Shaped device is combination or the compacting tool set of extruder head, injection nozzle and mould.Each straight channel entrance of mouth mould is positioned on same circumference, and rotating die changes the mouth mould entrance of opening.
The present invention can be widely used in preparing the nano-stack composite of various melt blending processing, in polymer composite field, can directly produce film, sheet material and shaped material, also masterbatch can be produced, the production fields such as ceramic matric composite, metal-base composites can also be promoted the use of.
Accompanying drawing explanation
Fig. 1 is the surface structure schematic diagram of the adjustable device for preparing nano laminated composite material (extrusion molding) of a kind of number of plies of the present invention.
Fig. 2 is the adjustable device for preparing nano laminated composite material lamination composite principle schematic diagram of a kind of number of plies of the present invention.
Fig. 3 is entrance left view when mouthful mould is positioned at initial position in the adjustable device for preparing nano laminated composite material of a kind of number of plies of the present invention, and the mouth mould that is positioned at horizontal and vertical position has melt to flow out, and flow export is four.
Fig. 4 is entrance left view when mouthful mould is positioned at the second place in the adjustable device for preparing nano laminated composite material of a kind of number of plies of the present invention, and the mouth mould that is positioned at upright position has melt to flow out, and flow export is two.
Fig. 5 is the surface structure schematic diagram of the adjustable device for preparing nano laminated composite material (injection moulding) of a kind of number of plies of the present invention.
In figure: 1 plasticizing feeding device; 2 junction stations; Melt in 2-1 junction station; Melt in 2-2 current divider; Melt in 2-3 mouth mould; Melt in 2-4 composite laminate device; Melt in 2-5 rear port mould; 3 current dividers; 4 mouthfuls of moulds; 5 composite laminate devices; 6 rear port moulds; 7 shaped devices; 8 nozzles; 9 moulds.
The specific embodiment
Embodiment 1
The adjustable device for preparing nano laminated composite material of the disclosed a kind of number of plies of the present embodiment, monnolithic case as shown in Figure 1, include plasticizing feeding device 1, junction station 2, current divider 3, mouthful mould 4, composite laminate device 5, rear port mould 6 and the shaped device 7 of two or many extruders, series connection successively before and after their.Junction station 2 accumulates the n kind macromolecule melt 2-1 from n platform plasticizing feeding device 1 macromolecule melt of n layer uniform thickness, then melt is by current divider 3, in current divider 3, melt broad ways is slit into 4 equal portions by average mark, wherein, two parts of melts in outside flow along horizontal DC road, 90-degree rotation when two parts of melt 2-2 of inner side flow forward, these two groups of melts are respectively symmetrical and flow, they flow into corresponding mouth mould entrance from the outlet out of current divider, Fig. 3 and Fig. 4 are respectively the state of mouthful mould while being positioned at initial link position and the second link position, melt 2-3 in mouthful mould flows to forward respectively four entrances of composite laminate device along horizontal DC road and vertical straight runner, the melt of each entrance is divided into m equal portions, when every a melt 2-4 flows forward, all 90-degree rotation broadening m be doubly, finally, the melt in four exits of composite laminate device flow into respectively in the balance runner 2-5 of rear end junction station, carry out superimposed, as shown in Figure 2, if mouth mould is adjusted to initial position, can form 4n * m
kthe layer composite material of layer, if by the mouth mould modulation second place, can form 2n * m
kthe layer composite material of layer.After the macromolecule melt of two kinds of components being confluxed in the present embodiment through the compound generator 5 of lamination of 5 equal portions, 6 the identical composite laminate generators 5 of connecting, the available composite number of plies is 2 * 4 * 5
6=125000 layers or 2 * 2 * 5
6=62500 layers, when multilayer materials is extruded as 1mm thickness sheet material, the layer thickness of this composite can reach 8nm (when a mouthful mould is positioned at initial position) or 16nm (when a mouthful mould is positioned at the second place), thereby can utilize this device to prepare nanocomposite.
The runner of composite laminate device 5 can consist of flush bonding module, and each module is combined by several parts of dissecing, and each skive can adopt digital control processing to obtain required shape.
The melt of laminated construction enters shaped device and obtains goods after leaving rear end junction station, it is consistent that the melt inlet of shaped device 7 and the melt of rear end junction station go out mouth-shaped, melt is transitioned into gradually the required cross section of mouthful mould in shaped device 7, finally obtains extruded product.
Embodiment 2
The example of the device for preparing nano laminated composite material that disclosed another number of plies of the present embodiment is adjustable, as shown in Figure 5, plasticizing feeding device 1, junction station 2, current divider 3, mouthful mould 4, composite laminate device 5, rear port mould 6, nozzle 8 and the mould 9 by two or many injection machines is composed in series successively.Injection nozzle 8 and mould 9 form shaped device, and during injection moulding, nozzle 8 is connected with mould 9.Melt, by junction station 2, current divider 3, mouthful mould 4, composite laminate device 5, has finally been built up 4n * m when rear port mould exports out
klayer (a mouthful mould is positioned at initial position) or 2n * m
kthe layer composite material of layer (mouthful mould is positioned at the second place), this compounding flux enters in the die cavity of mould 9 by nozzle 8 injections, can obtain macromolecule lamination composite injection molded article after cooling and shaping.
Claims (3)
1. the device for preparing nano laminated composite material that the number of plies is adjustable, it is characterized in that: the plasticizing feeding device being connected in series successively before and after mainly comprising, junction station, current divider, mouth mould, composite laminate device, rear end junction station and shaped device, junction station is overlapped into the melt from n plasticizing feeding device the compounding flux of n layer, the outlet of junction station is docked with the entrance of current divider, current divider has four entrances, compounding flux broad ways average mark when leaving junction station and enter current divider is slit into the quartering, wherein two runners in outside are horizontal DC road, and structure is symmetrical, and two runners of inner side are turned round up and down respectively and are turn 90 degrees, vertical runner when the horizontal run during all by entrance changes outlet into, and the structure of two runners is also symmetrical, these four runners lay respectively at 0 degree, 90 degree, 180 degree and the 270 degree positions of same circumference on the pelvic outlet plane of current divider, continue to flow to forward in the mouth mould of docking with it from each runner of current divider melt out, mouth mould is having the straight channel of the vertical and horizontal direction corresponding with current divider outlet up and down with position, left and right, by changing the link position of mouthful mould, can change the runner number that mouthful mould is communicated with, the entrance of each runner of composite laminate device is slit into m equal portions by average mark, when each equal portions continues to flow forward in composite laminate device, turn round and turn 90 degrees and broadening m times, at the port of export separately, mutually conflux and become the laminated construction of n * m layer, the melt canal exporting after composite laminate device entrance melt canal size and 90-degree rotation is measure-alike, dock the composite laminate device of a same 90-degree rotation, each runner in exit can obtain the laminated construction of n * m * m layer again, k same composite laminate device of series connection, the outlet of last composite laminate device is docked with rear end junction station, obtains MULTILAYER COMPOSITE melt and is finally overlapped into 4 * n * m
klayer composite material or the 2 * n * m of layer
kthe layer composite material of layer, obtains end article thereby these multilayer materials finally can continue to move forward into shaped device, n and m are not less than 2 integer, and k is not less than 1 integer.
2. the adjustable device for preparing nano laminated composite material of a kind of number of plies according to claim 1, is characterized in that: mouthful each straight channel entrance of mould is positioned on same circumference, and rotating die changes the mouth mould entrance of opening.
3. the adjustable device for preparing nano laminated composite material of a kind of number of plies according to claim 1, is characterized in that: current divider, mouthful mould, composite laminate device, rear end junction station are a series circulation unit, and the number of plies of composite is n * (4 * m)
kor n * (2 * m)
k.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210069341.5A CN102601961B (en) | 2012-03-15 | 2012-03-15 | Device for preparing nano laminated composite material with adjustable layers |
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| CN201210069341.5A CN102601961B (en) | 2012-03-15 | 2012-03-15 | Device for preparing nano laminated composite material with adjustable layers |
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| CN102601961A CN102601961A (en) | 2012-07-25 |
| CN102601961B true CN102601961B (en) | 2014-08-06 |
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| CN103572389A (en) * | 2013-11-21 | 2014-02-12 | 北京化工大学 | Device and method for melt electrostatic spinning based on calculus stacking |
| CN104260310B (en) * | 2014-08-08 | 2017-02-01 | 北京化工大学 | Device for manufacturing fiber materials and product by laminating method |
| CN110065212A (en) * | 2019-05-23 | 2019-07-30 | 德科摩橡塑科技(东莞)有限公司 | A kind of multilayer die mechanism of changeable extruding pipe material structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH041017A (en) * | 1990-04-19 | 1992-01-06 | Japan Steel Works Ltd:The | Lamination apparatus of multilayer extrusion molding machine |
| CN201587107U (en) * | 2009-11-20 | 2010-09-22 | 北京化工大学 | Device for preparing nano laminated composite material |
| CN102069579A (en) * | 2009-11-20 | 2011-05-25 | 北京化工大学 | Device for manufacturing nano laminated composite material |
| CN202462835U (en) * | 2012-03-15 | 2012-10-03 | 北京化工大学 | Nano laminated composite material preparation device with function of adjusting number of layers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4042096B2 (en) * | 2002-04-12 | 2008-02-06 | 富士フイルム株式会社 | Apparatus and method for manufacturing resin molded product |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH041017A (en) * | 1990-04-19 | 1992-01-06 | Japan Steel Works Ltd:The | Lamination apparatus of multilayer extrusion molding machine |
| CN201587107U (en) * | 2009-11-20 | 2010-09-22 | 北京化工大学 | Device for preparing nano laminated composite material |
| CN102069579A (en) * | 2009-11-20 | 2011-05-25 | 北京化工大学 | Device for manufacturing nano laminated composite material |
| CN202462835U (en) * | 2012-03-15 | 2012-10-03 | 北京化工大学 | Nano laminated composite material preparation device with function of adjusting number of layers |
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