CN104611775B - A kind of valve-type micro-fluidic bi-component electrostatic spinning nozzle - Google Patents
A kind of valve-type micro-fluidic bi-component electrostatic spinning nozzle Download PDFInfo
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- CN104611775B CN104611775B CN201510069849.9A CN201510069849A CN104611775B CN 104611775 B CN104611775 B CN 104611775B CN 201510069849 A CN201510069849 A CN 201510069849A CN 104611775 B CN104611775 B CN 104611775B
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- Prior art keywords
- connector
- spinning
- barrel
- column casing
- valve
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
Abstract
The present invention proposes a kind of valve-type micro-fluidic double-component electrostatic spinning nozzle, mainly includes connector, shunting column casing, interior barrel, outer barrel, screw, reception plate, HV generator and heating system；Interior barrel, shunting column casing, connector are sequentially connected with by coaxial threaded the most from inside to outside；Connector and outer barrel are connected by screw and are placed in immediately below connector；Charging hole has two, is internal material hole and external material hole respectively, is respectively positioned on connector upper surface；Receive plate be positioned at immediately below shower nozzle and connect HV generator；Present configuration is simple, it is possible to realize the microcontroller of flow, the composite fibre of the different component ratio of preparation, and is not easily blocked.Different size fiber can be prepared according to Production requirement by regulation gap spacing and technological parameter, subject range width, and can be by changing shower nozzle quantity, or nozzle type, thus improve yield.
Description
Technical field
The present invention relates to a kind of valve-type micro-fluidic double-component electrostatic spinning nozzle, belong to electrostatic spinning field.
Background technology
Along with developing rapidly of science and technology, nano material is had higher requirement by society, Static Spinning
Silk receives much concern owing to can prepare nano level fiber and becomes study hotspot in recent years, and
It is acknowledged as preparing nanofiber method the most fast and effectively.
Capillary tube was once one of the most key components and parts of electrostatic spinning, and the bore of capillary tube is largely
Determine the diameter of fiber, but bore necessarily just cannot obtain the fiber of other diameter, and capillary tube is spinning
Clogging easily occurs during Si, has a strong impact on being carried out continuously of spinning, and be difficult to clean, yield
Relatively low.And the needleless shower nozzle yield invented in recent years is greatly improved, but structure is complex,
Blocking the most easily occurs, and spinning material is single, can not meet the demand to multicomponent fibre material, and
Flow cannot be real-time control.Existing patent of invention " a kind of micro-fluidic electrostatic spinning apparatus " (CN
203754860 U), this patent is by between two syringes and syringe and barrel, barrel and outlet
Control valve realizes the control of micrometeor, it is possible to control inlet, but the flow of nozzle is uncontrollable
, and device is horizontal positioned, and whether barrel is filled and full also cannot be determined, the flow-control of nozzle is more
Add difficult realization.
Summary of the invention
The present invention relates to a kind of valve-type micro-fluidic double-component electrostatic spinning nozzle, propose to utilize rotation screw thread knot
Structure makes shunting column casing and barrel produce lifting displacement, regulates shunting column casing and barrel lower pointed end gap
Distance so realize spinning medium micrometeor control method；Add difference from two charging apertures to spin simultaneously
Silk medium realizes the spinning requirement of two-component materials, coupling screw thread lifting, the spinning of regulation shunting column casing
The most advanced and sophisticated double-component spinning realizing different proportion with inside and outside barrel lower pointed end clearance distance.
One valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle, it mainly includes connector, divides
Fluidization tower cylinder, interior barrel, outer barrel, screw, reception plate, HV generator and heating system；In
Barrel, shunting column casing, connector are sequentially connected with by coaxial threaded the most from inside to outside；Connector and outer material
Cylinder is connected by screw and is placed in immediately below connector；Charging hole has two, is internal material hole and outer material respectively
Hole, is respectively positioned on connector upper surface；Receive plate be positioned at immediately below shower nozzle and connect HV generator.
One valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle, its feature is interior barrel and divides
Fluidization tower cylinder, shunting column casing are connected for helicitic texture with between connector, it is also possible to be screw body, by rotation
Turn the most advanced and sophisticated lifting displacement with interior barrel lower pointed end of scalable spinning, and then regulation spinning is most advanced and sophisticated and inside and outside
Gap between barrel lower pointed end controls the flow of spinning medium, interior barrel and outer barrel bottom each
The most advanced and sophisticated spinning medium outlet formed with shunting spinning tip, column casing bottom is respectively positioned on more than spinning tip, its
Gap spacing is 1mm (0-3mm), and when gap is maximum, spinning tip is still at both sides exit lower end；
Interior barrel can be manual mode with the rotation of shunting column casing；Can also be that motor lead screw transmission cooperation is built-in
Flow transducer in both sides, spinning tip carries out feedback control by computer.
One valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle, can connect hot and cold in the middle part of its shower nozzle
Secondary air, drawing-off further to fiber refines, is conducive to gathering fiber simultaneously.
One valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle, its heating system be heating rod or
Connector is heated by heating collar, and heater strip is embedded to be heated inside and outside barrel, each heater and temperature sensing
Device with the use of.
One valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle, during work, when inside and outside charging
Mouth gives different spinning material, regulates stream by the lifting displacement of barrel in controlling and shunting column casing simultaneously
Measure thus prepare the bicomponent fibers arranged the most on year-on-year basis；When two charging apertures give spinning medium material of the same race or only
To one of them a kind of material, another not feed time, just obtain ultimate fibre；Spinning medium can be granule
Shape or the molten polymer of powder, can also be polymer solution, when spinning medium is polymer solution
Time, heating system is optional not to work.
One valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle, its feature is simple in construction,
It is capable of the microcontroller of flow, the composite fibre of the different component ratio of preparation, and be not easily blocked.Permissible
According to Production requirement, prepare different size fiber, subject range by regulation gap spacing and technological parameter
Wide.By changing shower nozzle quantity, or nozzle type, thus yield can be improved.
Accompanying drawing explanation
Fig. 1 is one valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle schematic diagram.
Fig. 2 is one valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle thread connecting mode local
Enlarged drawing.
Fig. 3 is one valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle spinning tip partial enlargement
Figure.
In figure: barrel in 1-, 2-shunts barrel outside column casing, hopper mouth in 3-, 4-connector, 5-,
6-ground connection, 7-receives plate, 8-HV generator, and 9-spinning is most advanced and sophisticated, and 10-fixes screw, and 11-fixes
Screw, the outer hopper mouth of 12-, 13-secondary air entrance.
Detailed description of the invention
One valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle, shower nozzle schematic diagram as it is shown in figure 1,
It mainly includes interior barrel 1, shunting column casing 2, interior hopper mouth 3, connector 4, outer barrel 5, connects
Ground 6, receive plate 7, HV generator 8, spinning tip 9, fixing screw 10, fixing threaded hole 11,
Outer hopper mouth 12 and secondary air entrance 13.Interior barrel 1, shunting column casing 2 and connector 4 are by interior
To being connected by threaded coaxial outward, interior hopper mouth 3 and outer hopper mouth 12 are all located at connector 4
Upper surface, connector 4 is connected by screw 10 with outer barrel 5, and outer barrel is positioned at below connector,
Outer barrel 5 ground connection, receives plate 7 and is positioned at the underface of whole shower nozzle and connects with HV generator 8.
Below in conjunction with specific embodiment, the present invention is further elaborated.
One valve-type of the present invention micro-fluidic double-component electrostatic spinning nozzle, such as, prepare bicomponent fibers,
During work, open heating system, after temperature reaches design temperature, the spinning medium a melted via
Interior hopper mouth 3 flows into and is uniformly circumferentially filled in the gap between shunting column casing 2 and interior barrel 1,
The spinning medium b simultaneously melted flows into via outer hopper mouth 12 and is uniformly circumferentially filled into shunting post
In gap between cylinder 2 and outer barrel 5, in then rotating, barrel 1 regulates interior barrel 1 and shunting column casing 2
Lower end media outlet spacing, thus control the flow of spinning medium a well, stable after, rotate shunting column casing 2
Regulate shunting column casing 2 and outer barrel 5 lower end media outlet spacing, thus control the stream of spinning medium b
Amount, makes two kinds of spinning mediums of a, b flow out by a certain percentage, and after above-mentioned regulation is stable, cleaning receives plate
Natural sediment spinning medium on 7, then starts HV generator 8, converges to most advanced and sophisticated the answering of spinning
Close spinning medium under electric field force stretching action, form bicomponent fibers, thus prepare and have a certain proportion of pair
Component fiber.
Claims (3)
1. a valve-type micro-fluidic bi-component electrostatic spinning nozzle, it is characterised in that: mainly include connector,
Shunting column casing, interior barrel, outer barrel, screw, reception plate, HV generator and heating system；
Interior barrel, shunting column casing, connector are sequentially connected with by coaxial threaded the most from inside to outside；Connector is with outer
Barrel is connected by screw, and outer barrel is placed in immediately below connector；Charging hole has two, is interior material respectively
Hole and external material hole, be respectively positioned on connector upper surface；Receive plate be positioned at immediately below shower nozzle and connect high-pressure electrostatic
Generator；Interior barrel is connected for helicitic texture with between connector with shunting column casing, shunting column casing, by rotation
Turn the most advanced and sophisticated lifting displacement with interior barrel lower pointed end of scalable spinning, and then regulation spinning is most advanced and sophisticated and inside and outside
Gap between barrel lower pointed end controls the flow of spinning medium.
A kind of valve-type micro-fluidic bi-component electrostatic spinning nozzle the most according to claim 1, its feature exists
In: interior barrel and outer barrel bottom each most advanced and sophisticated spinning medium formed with shunting spinning tip, column casing bottom
Outlet is respectively positioned on more than spinning tip, and its gap spacing is 1mm.
A kind of valve-type micro-fluidic bi-component electrostatic spinning nozzle the most according to claim 1, its feature exists
In: connect secondary air in the middle part of shower nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069849.9A CN104611775B (en) | 2015-02-10 | 2015-02-10 | A kind of valve-type micro-fluidic bi-component electrostatic spinning nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069849.9A CN104611775B (en) | 2015-02-10 | 2015-02-10 | A kind of valve-type micro-fluidic bi-component electrostatic spinning nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104611775A CN104611775A (en) | 2015-05-13 |
| CN104611775B true CN104611775B (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510069849.9A Active CN104611775B (en) | 2015-02-10 | 2015-02-10 | A kind of valve-type micro-fluidic bi-component electrostatic spinning nozzle |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928769B (en) * | 2015-07-13 | 2018-01-30 | 北京化工大学 | A kind of spinning feeding spinneret system for having double-deck barrel segmented shower nozzle |
| CN105332068B (en) * | 2015-12-11 | 2018-03-02 | 天津英鸿光大纳米科技有限公司 | Melting electrostatic spinning equipment |
| CN105543985B (en) * | 2016-01-29 | 2017-10-10 | 佛山轻子精密测控技术有限公司 | The adjustable electrostatic spinning nozzle in gap and array spinning system |
| CN105671658B (en) * | 2016-04-06 | 2017-11-03 | 佛山轻子精密测控技术有限公司 | A kind of circular electrode electrostatic spinning apparatus |
| CN107955996B (en) * | 2017-12-05 | 2020-05-29 | 青岛大学 | Double-component reaction curing type solvent-free electro-spinning micro-nanofiber and preparation method thereof |
| CN109023561B (en) * | 2018-10-26 | 2023-08-15 | 青岛科技大学 | Electrostatic spinning device for preparing core-shell structure fibers in batches |
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| US7767017B2 (en) * | 2004-11-10 | 2010-08-03 | The Regents Of The University Of Michigan | Multi-phasic nanoparticles |
| CN201367496Y (en) * | 2009-02-25 | 2009-12-23 | 北京化工大学 | Device for producing composite fiber by utilizing melt electrostatic spinning |
| CN201850336U (en) * | 2010-11-22 | 2011-06-01 | 北京化工大学 | Horn-shaped efficient electrostatic spinning spray head |
| CN102864502B (en) * | 2012-09-28 | 2014-09-03 | 北京化工大学 | Airflow assisted internal conical surface distributed electrostatic spinning nozzle |
| CN204455369U (en) * | 2015-02-10 | 2015-07-08 | 北京化工大学 | The micro-fluidic bi-component electrostatic spinning nozzle of a kind of valve-type |
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