CN106393725B - A kind of V-type pattern stacking molding machine - Google Patents
A kind of V-type pattern stacking molding machine Download PDFInfo
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- CN106393725B CN106393725B CN201611025853.6A CN201611025853A CN106393725B CN 106393725 B CN106393725 B CN 106393725B CN 201611025853 A CN201611025853 A CN 201611025853A CN 106393725 B CN106393725 B CN 106393725B
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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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention discloses a kind of V-type patterns, and molding machine is laminated, and is sequentially connected in series, is placed in parallel by multigroup mould outer stack device.Its production line is made of multigroup mould outer stack device and composite material sheet.The melt for being blended or being coextruded by one or more extruder is by calender compacting extension at the n-layer composite material sheet of certain thickness and width, then under the effect of the first mould outer stack device, since each V-type stacking device is made of m V-type tooth again, sheet material extends as the multilayered structure sheet material of n × (2m) layer；If connecting k mould outer stack device, n × (2m) can be obtainedkThe layer composite material sheet material of layer, last group of mould outer stack device can be connected with devices for taking-up or ancillary equipment.Apparatus of the present invention solve the problems such as cleaning of stacking die cavity difficulty is excessive with internal pressure in mould, sheet material is directly folded into V-type at normal temperatures, sheet material can be made without destroying rapid stacking, be greatly improved stack efficiency, and obtain the nanometer laminated composite material with optimum performance.
Description
Technical field
The invention belongs to high molecular material advanced manufacturing technology fields, are related to nanometer stacking, the outer molding machine of mould.
Background technology
Nano lamellar composite material has great excellent in mechanical property, barrier property, electric conductivity, optical property etc.
Gesture is widely used in the fields such as defence and military, rail traffic, aerospace.Many scholars propose that a series of nano lamellars are multiple
Condensation material preparation method, for example, ZL2009102376225 (a kind of device for preparing nano laminated composite material) and
ZL2010102463705 (a kind of preparation facilities and method of high barrier micro-nano laminated composite materials), these patents are mostly
To be laminated for the main direction of development in mould, but it can excessively cause mold processing because of difficult, die cavity not easy cleaning, pressure due to being layered in mould
The problems such as power loss is big, substantially increases cost, limits layering quantity, be unfavorable for the industrialization of nano lamellar material.
Invention content
For the deficiency for being laminated into type in existing mould, the present invention proposes a kind of New-type mould outer stack molding machine.Its purpose
It not only solves the cleaning of die cavity difficulty, internal pressure caused by stacking device to lose the defects of excessive, stacking effect is poor, but also can be high
Efficiency obtains a nanometer laminated composite material.
Technical scheme of the present invention is specific as follows：A kind of V-type pattern stacking molding machine, successively by multigroup mould outer stack device
It is composed in series, every group of mould outer stack device includes：Calender, torsion roller, V-type stacking device, confluence roller, heater, compound calender,
Biaxial orientation stretching machine and dragger.Each building block is sequentially connected in series, is placed in parallel according to the sequence.Calender clamps composite material
Composite material sheet is vertical direction by horizontal direction torsion by sheet material, torsion roller, and composite material sheet corresponds to V-type stacking device
Composite material sheet is folded into 2m layers of folding sheet material by m V-type tooth, V-type stacking device, and m is the integer more than or equal to 2.Folding
Stacks of sheets leads into heater by confluence roller, and heater has the outlet passed through convenient for folding sheet material and entrance, heater that can carry
For uniform heating field, it is heated after calendering of the folding sheet material through compound calender, biaxial orientation stretching machine and dragger, extend and lead
Primary folding is completed after drawing, and the satisfactory multilayer tablet of thickness is obtained after the multiple folding of mould outer stack device multigroup in this way
Material.Wherein, compound calender is ironed by folding sheet material using its hot-rolling, and biaxial orientation stretching machine is using its clamping device and pressure roller to pressure
Thin folding sheet material carries out two-way stretching, and dragger draws folding sheet material by its carry-over pinch rolls, makes composite material sheet
Continuously it is laminated.
Molding machine is laminated in a kind of V-type pattern of the present invention, and V-type stacking device is made of cavity plate, punch-pin.Cavity plate and punch-pin are uniform
It is disposed with V-type tooth, the V-type tooth of cavity plate and the V-type tooth of punch-pin correspond, and composite material sheet is clamped between the V-type tooth of the two,
Its V-type tooth depth gradually deepens V-type stacking device from the inlet to the outlet, width becomes narrow gradually, i.e. composite sheet is gradually by
When the shallow and wide that folds, when final foldable layer fitting reaches the width and thickness of folding, fold occurs when folding in order to prevent, need
It wants such gradually to fold.V-type stacking device is formed side by side by m V-type toothing, and each V-type toothing can make composite material
Sheet material folds 2 times.The processing of the coats such as polytetrafluoroethylene (PTFE) is carried out to the tooth surface of the V-type tooth of cavity plate and punch-pin, and on its surface
Minute pores are opened up, resistance to sliding of the sheet material by V-type stacking device when can be reduced.Rounded corner processing is carried out to the seamed edge of V-type tooth,
Damage of the sheet material by V-type stacking device when can be reduced.It is each led by two snorkels on V-type stacking device exit end face
High temperature and high pressure gas is sprayed from the surface aperture of cavity plate and punch-pin, and Tiny pore layer is formed between sheet material and V-type stacking device, to
Reduce resistance to sliding of the sheet material by V-type stacking device when.
Molding machine is laminated in a kind of V-type pattern of the present invention, and cavity plate V-type tooth is corresponded with punch-pin V-type tooth, cavity plate V-type tooth
With clamping composite sheet among punch-pin V-type tooth, V-type stacking device is constituted.Cavity plate, punch-pin are by proximal end relative to V-type stacking device center
The distance in face is identical.Cavity plate, the punch-pin of V-type stacking device is passed through slowly to be drawn close in composite sheet.
Molding machine is laminated in a kind of V-type pattern of the present invention, and compound calender, biaxial orientation stretching machine and haulage gear are at stretching
System.The tensioning system need to provide glass transition temperature with up to the temperature of fusing point proper temperature range (elastomeric state) below for sheet material
Environment makes sheet material be easy to stretch.Compound calender will elastomeric state former V-type sheet material fold fitting after tentatively calendering broaden it is thinning,
It is quickly broadened thinning, then further finely rolled through haulage gear, final extend is shaped to n × (2m) by biaxial orientation stretching machine
Layer, original width dimensions sheet material in homogeneous thickness.
Molding machine is laminated in a kind of V-type pattern of the present invention, and the production line is by multigroup mould outer stack device and composite material sheet
Composition, each building block are sequentially connected in series, are placed in parallel according to the sequence.Composite sheet can be by the vertical side of 90 degree of horizontal torsion
To, when the n-layer sheet material of one fixed width and thickness by V-type stacking device (punch-pin, cavity plate) be folded into the thicker n of narrow width ×
(2m) layer of sheet material, width become 1/ (2m) of former width, and degree thickness becomes (2m) times of original thickness.The roller strap that converges moves folding sheet material
It travels forward, and converges and fit together, moved ahead again by the square through hole of heater later, and utilize heater device to hole inner sheet
Material is evenly heated, with so that it becomes melt state, moves forward in biaxial orientation stretching machine under compound calender drive prolong later
Exhibition is shaped to n × (2m) layer, original width dimensions sheet material in homogeneous thickness；Further through second group of mould outer stack device become n ×
(2m)2The layer composite material sheet material of layer；If connecting k mould outer stack device, n × (2m) can be obtainedkThe multilayered structure of layer
Composite material sheet.The last one mould outer stack device can be connected with devices for taking-up or ancillary equipment, prepare multiple with stepped construction
Condensation material sheet material, pellet or powder.
The present invention uses modularized design, and the film shaped or melt are heated after V-type folds and rolled again, passes through
It crosses repeatedly folding calendering and forms stepped construction, folding is carried out to sheet material at normal temperatures, it can be effectively significantly to it
Decile greatly reduces stacking device quantity under the premise of ensureing enough numbers of plies, improves production efficiency.
Description of the drawings
Fig. 1 is a kind of V-type pattern stacking molding machine three-dimensional production line schematic diagram of the present invention.
Fig. 2 is a kind of V-type pattern stacking molding machine mould outer stack device principle schematic of the present invention.
Fig. 3 is a kind of V-type pattern stacking molding machine V-type stacking device structural schematic diagram of the present invention.
Fig. 4 is a kind of V-type pattern stacking molding machine V-type stacking device cavity plate schematic diagram of the present invention.
Fig. 5 is a kind of V-type pattern stacking molding machine V-type stacking device punch-pin schematic diagram of the present invention.
In figure, 1- composite material sheets, 2- calenders, 3- torsion rollers, 4- punch-pin, 5- converges roller, and 6- heaters, 7- is compound
Calender, 8- biaxial orientation stretching machines, 9- draggers, 10- cavity plates.
Specific implementation mode
Molding machine is laminated in a kind of V-type pattern of the present invention, and three-dimensional production line is as shown in Figure 1, by multigroup mould outer stack device
It is sequentially connected in series, is placed in parallel, be laminated into for a kind of V-type pattern of the present invention containing two groups of mould outer stack devices shown in Fig. 1
Type device.The composite material sheet 1 or film for being blended or being coextruded by one or more extruder pass through first group of mould outer layer
Under folded device effect, since each V-type stacking device is made of m V-type toothing, it is n × (2m) layer that composite material sheet 1, which extends,
Multilayered structure sheet material；Become n × (2m) by second group of mould outer stack device2The layer composite material sheet material of layer；If connecting k
N × (2m) then can be obtained in a mould outer stack devicekThe multilayered structure folding sheet material of layer.The last one mould outer stack device can with batch
Device or ancillary equipment are connected, and preparing has stepped construction composite material sheet, pellet or powder.In this example, n=1, m=8, k
=4, then the number of plies be at least 1 × 164=65536；1 thickness of composite material sheet is 1mm, then the film layer finally prepared is minimum thick
Degree is no more than 1/65536 (about 15nm), so as to process nano-scale layers stack structure composite material by above-mentioned production line.
Molding machine is laminated in a kind of V-type pattern of the present invention, and mould outer stack device is as shown in Fig. 2, mould outer stack device includes：Pressure
Prolong machine 2, torsion roller 3, cavity plate 10, punch-pin 4, confluence roller 5, heater 6, compound calender 7, biaxial orientation stretching machine 8 and dragger 9.
Each building block is sequentially connected in series, is placed in parallel according to the sequence.When the n-layer composite material sheet 1 of one fixed width and thickness is passing through
It is turned round before crossing V-type stacking device (cavity plate 10, punch-pin 4) and turn 90 degrees and (need to reverse manually for the first time), be folded later by V-type stacking device
At the thicker n of narrow width × (2m) layer of sheet material.Sheet material after folding is travelled forward by the drive of confluence roller 5, and is converged and fit together,
Width becomes 1/ (2m) of former width, and thickness becomes 2m times of original thickness, is moved ahead again by the square through hole of heater 6 later,
And be evenly heated using 6 device to hole Inner panel of heater, with so that it becomes compressible melt state, later in compound calender 7
It moves forward to extend in biaxial orientation stretching machine 8 under drive and is shaped to n × (2m) layer, original width dimensions sheet material in homogeneous thickness.
Molding machine is laminated in a kind of V-type pattern of the present invention, V-type stacking device structure as shown in figure 3, cavity plate 10 V-type tooth
It is corresponded with the V-type tooth of punch-pin 4 and constitutes V-type stacking device.V-type stacking device gradually deepens from arrival end to outlet end V-type tooth, is wide
Degree becomes narrow gradually, and is formed and is folded to film.V-type stacking device is formed side by side by m V-type toothing, and each V-type toothing can make
Composite material sheet folds 2 times.V-type stacking device for the first time in use, need manually by sheet material pass through V-type stacking device, it is then recessed
Mould 10, punch-pin 4 are slowly drawn close in, are fitted closely together, and the sheet material drive after folding is travelled forward by confluence roller 5.It is multiple
Condensation material sheet material becomes V-type folding sheet material after V-type stacking device at normal temperatures.
Molding machine is laminated in a kind of V-type pattern of the present invention, and 10 structure of cavity plate is as shown in figure 4,4 structure of punch-pin such as Fig. 5 institutes
Show.V-type stacking device is made of cavity plate 10, punch-pin 4.The coatings such as polytetrafluoroethylene (PTFE) are carried out to the V-type tooth surface of cavity plate 10, punch-pin 4
Layer processing, the material of coat can increase the wearability of tooth surface, but can reduce tooth surface and composite material sheet it
Between friction, and open up Minute pores on its surface, reduce resistance to sliding of the sheet material by V-type stacking device when.V crestal lines are carried out
Rounded corner processing reduces damage of the sheet material by V-type stacking device when.Pass through two snorkels on V-type stacking device exit end face
The high pressure gas each led into is sprayed from the surface aperture of cavity plate and punch-pin, and Tiny pore is formed between sheet material and V-type stacking device
Layer, to reduce resistance to sliding of the sheet material by V-type stacking device when.
Molding machine is laminated in a kind of V-type pattern of the present invention, and compound calender 7, biaxial orientation stretching machine 8 and dragger 9, which are constituted, to be drawn
Stretch system.The tensioning system need to be positioned over the temperature of glass transition temperature or more, fusing point proper temperature range (elastomeric state) below
In environment.Compound calender 7 by the former V-type sheet material of elastomeric state tentatively calendering broaden it is thinning, pass through biaxial orientation stretching machine 8 quickly broaden
It is thinning, then further fine calendering, extension are shaped to n × (2m) layer, original sized sheets in homogeneous thickness through haulage gear 9.
Claims (6)
1. molding machine is laminated in a kind of V-type pattern, it is characterised in that：It is sequentially connected in series by multigroup mould outer stack device, every group of mould
Outer stack device includes calender, torsion roller, V-type stacking device, confluence roller, heater, compound calender, biaxial orientation stretching machine and traction
Machine, each building block by calender, torsion roller, V-type stacking device, confluence roller, heater, compound calender, biaxial orientation stretching machine and
Dragger is sequentially connected in series, is placed in parallel；Calender clamps composite material sheet, and torsion roller is by composite material sheet by level side
It is vertical direction to torsion, composite material sheet corresponds to m V-type tooth of V-type stacking device, and V-type stacking device is by composite material sheet
It is folded into 2m layers of folding sheet material；Folding sheet material leads into heater by confluence roller, and the folding sheet material after being heated is through compound pressure
Primary folding, process mould outer stack device multigroup in this way are completed after prolonging the calendering, extension and traction of machine, biaxial orientation stretching machine and dragger
It is multiple folding after obtain the satisfactory multi-layer sheet of thickness；V-type stacking device is made of cavity plate, punch-pin, and cavity plate and punch-pin are equal
Even to be disposed with V-type tooth, the V-type tooth of cavity plate and the V-type tooth of punch-pin correspond, and composite material sheet is clamped between the V-type tooth of the two
Material, V-type tooth depth gradually deepens V-type stacking device from the inlet to the outlet, width becomes narrow gradually.
2. molding machine is laminated in a kind of V-type pattern according to claim 1, it is characterised in that：To the V-type of cavity plate and punch-pin
The tooth surface of tooth carries out coat processing.
3. molding machine is laminated in a kind of V-type pattern according to claim 2, it is characterised in that：Coat processing is coating
Polytetrafluoroethylene (PTFE).
4. molding machine is laminated in a kind of V-type pattern according to claim 1, it is characterised in that：The tooth surface of V-type tooth opens up
Minute pores.
5. molding machine is laminated in a kind of V-type pattern according to claim 1, it is characterised in that：The seamed edge of V-type tooth is carried out
Rounded corner processing.
6. molding machine is laminated in a kind of V-type pattern according to claim 1, it is characterised in that：Tensioning system need to be sheet material
Glass transition temperature is provided with up to fusing point temperature environment below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611025853.6A CN106393725B (en) | 2016-11-22 | 2016-11-22 | A kind of V-type pattern stacking molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611025853.6A CN106393725B (en) | 2016-11-22 | 2016-11-22 | A kind of V-type pattern stacking molding machine |
Publications (2)
| Publication Number | Publication Date |
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| CN106393725A CN106393725A (en) | 2017-02-15 |
| CN106393725B true CN106393725B (en) | 2018-10-23 |
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| CN201611025853.6A Active CN106393725B (en) | 2016-11-22 | 2016-11-22 | A kind of V-type pattern stacking molding machine |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4004720A1 (en) * | 1990-02-15 | 1991-08-29 | Hoechst Ag | DEVICE AND METHOD FOR PRODUCING COMPOSITE BODIES FROM PLASTIC FILM LAYERS LAMINATED WITH OTHER |
| CN102069579B (en) * | 2009-11-20 | 2012-07-25 | 北京化工大学 | Device for manufacturing nano laminated composite material |
| CN101947841B (en) * | 2010-08-06 | 2013-10-30 | 北京化工大学 | Device and method for preparing micro-nano laminated composite material with high barrier proper |
| CN105345979B (en) * | 2015-10-15 | 2017-04-26 | 北京化工大学 | Outside-mold forming device for nanometer laminated composite materials |
| CN206733639U (en) * | 2016-11-22 | 2017-12-12 | 北京化工大学 | A kind of V-type pattern is laminated shaped device |
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