CN110126233A - A kind of high shear interface multiplier - Google Patents
A kind of high shear interface multiplier Download PDFInfo
- Publication number
- CN110126233A CN110126233A CN201910366374.8A CN201910366374A CN110126233A CN 110126233 A CN110126233 A CN 110126233A CN 201910366374 A CN201910366374 A CN 201910366374A CN 110126233 A CN110126233 A CN 110126233A
- Authority
- CN
- China
- Prior art keywords
- cutter
- orifice plate
- screw rod
- high shear
- melt
- 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.)
- Pending
Links
- 230000000694 effects Effects 0.000 abstract description 18
- 238000001125 extrusion Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 14
- 238000010008 shearing Methods 0.000 abstract description 7
- 239000008358 core component Substances 0.000 abstract description 2
- 239000000155 melt Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010010 raising Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The present invention discloses a kind of high shear interface multiplier, mainly includes extruder, cutter, orifice plate and head.Extruder core component is the screw rod that can be rotated, and cutter is installed on the head of the screw rod of extruder, in this way, screw rod can drive the rotation of cutter.Orifice plate is installed on the outside of cutter, has one section of gap between cutter and orifice plate, orifice plate is stationary.Material is added from barrel, under the screw conveyor, under the hot environment of electric heater unit, start to melt and be transported to the head of screw rod, melt is being upwardly formed numerous shear surfaces perpendicular to extrusion side under the shearing effect of dragging of cutter, the orifice plate plane opposite with cutter has gap, micro- face is formed under effect of dragging, micro- face is cut by the hole on orifice plate again, ensure that product all enhances on perpendicular to extrusion direction and along intensity on direction is squeezed out.Feeding screw axis is driven by separate electrical motor in the present invention, and the revolving speed of helical axis is adjustable, can play the role of preventing material lagging.
Description
Technical field
The present invention relates to high molecular material micro-nanos, and extrusion molding equipment field is laminated, and refers in particular to a kind of high shear interface multiplication
Device.
Background technique
It is a kind of novel processing method that extruding technology, which is laminated, in micro-nano, by stacked laminator, composite material can be divided into hundred
Thousands of layers of alternating laminated structure makes each layer in material of thickness can achieve micron even nano-scale, to obtain
More excellent performance of functional composite material.
By taking Patent No. CN104960308A, a kind of entitled " device for producing laminated composite plate " patent as an example, into
The n-layer macromolecule melt for entering micro-nano lamination unit is divided into m equal part on perpendicular to flow direction, and every 1 equal point is continued flow forward
And 90 ° are reversed simultaneously, thinning and broaden, in outlet, confluence becomes n × m layers of melt, the melt of thickness and width and inlet
Equally.Every to increase m times by 1 its number of plies of lamination unit, when melt is after k stacking device, the melt number of plies becomes n × mk
Layer, melt is in shunting → torsion → extension → Process of Confluence, and streamwise is by Strong shear.If k stacking of series connection is single
Member, melt will receive k shear action, to realize the high performance and functionalization of polymer.However, for conventional micro-nano
For stacking device, melt is by that can only occur shear action along the interlayer for squeezing out direction, on the direction perpendicular to extrusion
There is no shear action occurs, interfacial area is few, and interfacial effect is poor, and which limits the raisings of polymer performance.
Summary of the invention
The present invention proposes a kind of high shear interface multiplier, it is therefore an objective to cut melt on the direction perpendicular to extrusion
High shear is realized in the effect of cutting, and shear interface quantity is big, referred to as high shear multiplier, mainly includes extruder, cutter, hole
Plate and head.Extruder core component is the screw rod that can be rotated, and installs cutter on the head of the screw rod of extruder, in this way,
Screw rod can drive the rotation of cutter.Orifice plate is installed on the outside of cutter, there is one section of gap, orifice plate between cutter and orifice plate
It is stationary.Material is added from barrel, under the screw conveyor, under the hot environment of electric heater unit, starts melting simultaneously
And it is transported to the head of screw rod, melt is numerous being upwardly formed perpendicular to extrusion side under the shearing effect of dragging of cutter
Shear surface, the orifice plate plane opposite with cutter have gap, and micro- face is formed under effect of dragging, and micro- face is cut by the hole on orifice plate again
It cuts, ensure that product all enhances on perpendicular to extrusion direction and along intensity on direction is squeezed out.
The shape of the edge section of cutter is taper, it is therefore an objective to melt be prevented to be trapped in blade after cutter
On.
A kind of high shear interface of the invention multiplier, melt can be relatively more tired by cutter if the aperture of orifice plate is too small
Difficulty may cause stagnant material；Shear effect is unobvious if aperture is excessive.In addition, the size in aperture is also by the performance of melt itself
Influence.It is preferred that pore size is in 2-4mm.
Pass through the melt of cutter if the gap of a kind of high shear interface of the invention multiplier, cutter and orifice plate is excessive
It closes again together；The effect of towing is not had if gap is too small.Preferred gap is in 2-5mm.
A kind of high shear interface of the invention multiplier, in order to keep the revolving speed of cutter controllable, cutter and plasticized screw point
It opens, the extruder barrel connects material plasticating extruder, and the screw rod in extruder replaces with feeding screw axis, cutter
It is mounted on the head of feeding screw axis, cutter are rotated with the rotation of feeding screw axis, and feeding screw axis only has metering section,
Spiro rod length is reduced.Orifice plate is connected on machine barrel, stationary.Under the drive of the motor, the rotation of feeding screw axis is driven, is come
Pass through the conveying of feeding screw axis by flange from the melt of extruder, shear action of the melt by cutter and orifice plate,
Pass through head extrusion.Melt is being upwardly formed numerous shear surfaces, hole perpendicular to extrusion side under the shearing effect of dragging of cutter
The plate plane opposite with cutter has gap, and micro- face is formed under effect of dragging, and micro- face is cut by the hole on orifice plate again, be ensure that
Product all enhances on perpendicular to extrusion direction and along intensity on direction is squeezed out.Feeding screw axis by individual motor driven,
The revolving speed of helical axis is adjustable, to play the role of preventing material lagging.
Since melt receives horizontal and vertical high shear forces, can regard as when flowing out high shear interface multiplier
The particle of many melts, each particle surrounding itself has interface, in this way, interfacial area greatly increases, so that finally
Molding article interface effect is good, and along the direction enhanced strength at interface, last molding product realizes high performance and function
Energyization.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high shear interface of the invention multiplier.
Fig. 2 is the structure chart of cutter shown in FIG. 1.
Fig. 3 is a kind of device figure that multiplier cutter revolving speed in high shear interface is controllable of the present invention.
In figure: 1. transmission devices, 2. extruder barrels, 3. screw rods, 4. cutter, 5. orifice plates, 6. heads, 7. flanges, 8.
Feeding screw axis.
Specific embodiment
The present invention proposes a kind of high shear interface multiplier, as shown in Figure 1, mainly by transmission device 1, extruder barrel 2,
Screw rod 3, cutter 4, orifice plate 5 and head 6 form.Cutter 4 are installed on screw rod 3, in this way, screw rod 3 can drive cutting
The rotation of knife 4.Orifice plate 5 is installed on the outside of cutter 4, has one section of gap between cutter 4 and orifice plate 5, orifice plate 5 is stationary.Object
Material is added from barrel, under the conveying of screw rod 3, under the hot environment of electric heater unit, starts to melt and be transported to
The end of screw rod 3, melt are being upwardly formed numerous shear surfaces, hole perpendicular to extrusion side under the shearing effect of dragging of cutter 4
The plane opposite with cutter 4 of plate 5 has gap, and micro- face is formed under effect of dragging, and micro- face is cut by the hole on orifice plate 5 again, protects
Product has been demonstrate,proved on perpendicular to extrusion direction and has all been enhanced along intensity on direction is squeezed out.Material passes through after the Strong shear of orifice plate 5
The extrusion of head 6 obtains finished product or semi-finished product.Finished product is generally the various profiles such as tubing, film, sheet material, semi-finished product be bottle base or
Pellet.
The shape of the edge section of cutter 4 is taper, as shown in Figure 2, it is therefore an objective to prevent melt after cutter 4
It is trapped on blade.
The pore size of orifice plate 5 also requires, and melt can relatively difficult, Ke Nengzao by cutter 4 if aperture is too small
At stagnant material；Shear effect is unobvious if aperture is excessive.In addition, the size in aperture is also influenced by the performance of melt itself.It is excellent
Select pore size should be in 2-4mm.
Cutter 4 and the gap size of orifice plate 5 also require, and close again if gap is excessive by the melt of cutter 4
Together；The effect of towing is not had if gap is too small.Preferred gap is in 2-5mm.
It shears controllable high shear interface multiplier the present invention relates to a kind of and can be adopted to keep the revolving speed of cutter 4 controllable
Take mechanism as shown in Figure 3, material plasticizing and shearing separately carry out, and plasticizing uses independent extruder, shearing part mainly by
Cutter 4, orifice plate 5, head 6, flange 7 and feeding screw axis 8 form.Screw rod is changed to feeding screw axis 8, and cutter 4 are installed
On feeding screw axis 8, rotated with the rotation of feeding screw axis 8.Orifice plate 5 is connected on machine barrel, stationary.In motor
Driving under, drive the rotation of feeding screw axis 8, the melt from extruder by flange by the conveying of feeding screw axis 8,
Shear action of the melt by cutter 4 and orifice plate 5 is squeezed out by head 6.Shearing effect of dragging of the melt in cutter 4
Under, numerous shear surfaces are being upwardly formed perpendicular to extrusion side, the plane opposite with cutter 4 of orifice plate 5 has gap, in effect of dragging
Lower to form micro- face, micro- face is cut by the hole on orifice plate 5 again, ensure that product on perpendicular to extrusion direction and along extrusion direction
Upper intensity all enhances.For feeding screw axis 8 by individual motor driven, revolving speed is adjustable, to play the work for preventing material lagging
With.
Since melt receives horizontal and vertical high shear forces, can regard as when flowing out high shear interface multiplier
The particle of many melts, each particle surrounding itself has interface, in this way, interfacial area greatly increases, so that finally
Molding article interface effect is good, and along the direction enhanced strength at interface, last molding product realizes high performance and function
Energyization.
Claims (5)
1. a kind of high shear interface multiplier, it is characterised in that: mainly include extruder, cutter, orifice plate and head, squeezing
Cutter are installed on the head of the screw rod of machine out, and screw rod drives the rotation of cutter, installs orifice plate, cutter and hole on the outside of cutter
There is one section of gap between plate, orifice plate is stationary.
2. a kind of high shear interface multiplier according to claim 1, it is characterised in that: the shape of the edge section of cutter
Shape is taper.
3. a kind of high shear interface multiplier according to claim 1, it is characterised in that: aperture is in 2-4mm on orifice plate.
4. a kind of high shear interface multiplier according to claim 1, it is characterised in that: the gap of cutter and orifice plate exists
2-5mm。
5. a kind of high shear interface multiplier according to claim 1, it is characterised in that: cutter and plasticized screw point
It opens, the screw rod in extruder replaces with feeding screw axis, and cutter are mounted on the head of feeding screw axis, and cutter are with feeding
The rotation of helical axis and rotate, feeding screw axis only has metering section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366374.8A CN110126233A (en) | 2019-05-05 | 2019-05-05 | A kind of high shear interface multiplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366374.8A CN110126233A (en) | 2019-05-05 | 2019-05-05 | A kind of high shear interface multiplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110126233A true CN110126233A (en) | 2019-08-16 |
Family
ID=67576111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910366374.8A Pending CN110126233A (en) | 2019-05-05 | 2019-05-05 | A kind of high shear interface multiplier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110126233A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA699567A (en) * | 1964-12-08 | J. Kosinsky Edward | High shear visbreaking method and apparatus | |
| GB1076043A (en) * | 1964-08-28 | 1967-07-19 | Owens Illinois Inc | Improvements relating to elastic melt extruders |
| US5449484A (en) * | 1992-10-01 | 1995-09-12 | Hoechst Aktiengesellschaft | Process and device for producing extrudates from ultra-high molecular weight polyethylene |
| JPH1087842A (en) * | 1996-09-10 | 1998-04-07 | Mitsubishi Chem Corp | Method for grinding adherent water-containing gel-like polymer |
| US20070087069A1 (en) * | 2005-10-18 | 2007-04-19 | Tim Pritchett | Apparatus and method for extruding a multilayered structure |
| CN102248655A (en) * | 2011-06-10 | 2011-11-23 | 北京化工大学 | Tapered planetary screw extruder |
-
2019
- 2019-05-05 CN CN201910366374.8A patent/CN110126233A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA699567A (en) * | 1964-12-08 | J. Kosinsky Edward | High shear visbreaking method and apparatus | |
| GB1076043A (en) * | 1964-08-28 | 1967-07-19 | Owens Illinois Inc | Improvements relating to elastic melt extruders |
| US5449484A (en) * | 1992-10-01 | 1995-09-12 | Hoechst Aktiengesellschaft | Process and device for producing extrudates from ultra-high molecular weight polyethylene |
| JPH1087842A (en) * | 1996-09-10 | 1998-04-07 | Mitsubishi Chem Corp | Method for grinding adherent water-containing gel-like polymer |
| US20070087069A1 (en) * | 2005-10-18 | 2007-04-19 | Tim Pritchett | Apparatus and method for extruding a multilayered structure |
| CN102248655A (en) * | 2011-06-10 | 2011-11-23 | 北京化工大学 | Tapered planetary screw extruder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6769784B2 (en) | Systems and methods for cutting materials in the manufacture of long fiber reinforced additives | |
| US5637329A (en) | Plasticator and system for molding parts | |
| US10105889B2 (en) | 2-stage extrusion apparatus and method of extrusion | |
| JP2016518267A (en) | Three-dimensional printing method | |
| EP0010895A1 (en) | Method of making laminates of thermoplastic polymers by a single-channel coextrusion process and melt injector block for use therein | |
| US20120248645A1 (en) | Production of extruded foam | |
| JP2006524592A (en) | Method for melting and homogenizing multimodal and bimodal polyolefins | |
| US5024714A (en) | Method and apparatus for forming a composite material | |
| WO2021058677A1 (en) | Manufacturing method for structural components and structural component | |
| CN110126233A (en) | A kind of high shear interface multiplier | |
| US10933572B2 (en) | 2-stage extrusion apparatus and method of extrusion | |
| CN117301474B (en) | Composite material chute co-extrusion device | |
| US20110089602A1 (en) | Extruder And Process For Preparing A Mixture Of Polymer And Diluent | |
| CN110509518B (en) | Extrusion molding mechanism for automobile decorative plate | |
| US11254048B2 (en) | Additive manufacturing of continuous fiber thermoplastic composites | |
| KR101671922B1 (en) | Apparatus of manufacturing a fiber reinforced plastic compound | |
| KR20060041864A (en) | Method in an extrusion process, and extrusion process and an apparatus for an extrusion process | |
| CN204505770U (en) | A kind of extruder of singe screw | |
| CN108274530A (en) | Automatic film tearing cutting machine | |
| US3308505A (en) | Centripetal extrusion method and apparatus therefor | |
| CN102601961A (en) | Device for preparing nano laminated composite material with adjustable layers | |
| CN204095105U (en) | A kind of PVC cast film line adopting Planetary Screw Extruder | |
| Khondoker et al. | Enhanced bonding of immiscible polymers via intermixed co-extrusion in fused deposition modelling | |
| CN107856287B (en) | Improved PVC film blowing machine | |
| CN114222655A (en) | Method and extrusion device for extruding a fibre-reinforced plastic material for an additive-manufactured component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190816 |