CN104611775A - Valve type microfluidic bi-component electrostatic spinning nozzle - Google Patents
Valve type microfluidic bi-component electrostatic spinning nozzle Download PDFInfo
- Publication number
- CN104611775A CN104611775A CN201510069849.9A CN201510069849A CN104611775A CN 104611775 A CN104611775 A CN 104611775A CN 201510069849 A CN201510069849 A CN 201510069849A CN 104611775 A CN104611775 A CN 104611775A
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- spinning
- column casing
- nozzle
- barrel
- electrostatic spinning
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention provides a valve type microfluidic bi-component electrostatic spinning nozzle which mainly comprises a connecting piece, a shunting column casing, an inner charging barrel, an outer charging barrel, a screw, a receiving plate, a high-voltage electrostatic generator and a heating system. The inner charging barrel, the shunting column casing and the connecting piece are sequentially connected by coaxial threads from inside to outside. The connecting piece is connected with the outer charging barrel through the screw and the outer charging barrel is arranged under the connecting piece. Two feeding holes are formed, the feeding holes comprise the inner feeding hole and the outer feeding hole, and the inner feeding hole and the outer feeding hole are both formed in the upper surface of the connecting piece. The receiving plate is placed under a nozzle body and is connected with the high-voltage electrostatic generator. The valve type microfluidic bi-component electrostatic spinning nozzle is simple in structure, capable of achieving the micro-control of flow and preparing composite fibers of different component proportions, and not prone to being plugged. According to the production demand, the fibers of different dimensions are prepared by adjusting seam distances and technological parameters, the application range is wide, and the yield can be improved by changing the number of nozzles or the nozzle modes.
Description
Technical field
The present invention relates to a kind of valve-type micro-fluidic pair of component electrostatic spinning nozzle, belong to electrostatic spinning field.
Background technology
Along with the develop rapidly of science and technology, society has higher requirement to nano material, electrostatic spinning receives much concern owing to can prepare nano level fiber and becomes study hotspot in recent years, and is acknowledged as and prepares nanofiber method the most fast and effectively.
Capillary was once one of the most key components and parts of electrostatic spinning, the bore of capillary determines the diameter of fiber to a great extent, but bore necessarily just cannot obtain the fiber of other diameter, and easily there is clogging in capillary in spinning process, have a strong impact on carrying out continuously of spinning, and being difficult to cleaning, output is also lower.And the needleless shower nozzle output of inventing in recent years is greatly improved, but structure is comparatively complicated, still easily occur blocking, and spinning material is single, can not meet the demand to multicomponent fibre material, and the control that flow cannot be real-time.Existing patent of invention " a kind of micro-fluidic electrostatic spinning apparatus " (CN203754860 U), this patent is the control being realized micrometeor by two syringes and syringe and barrel, control valve between barrel and outlet, inlet can be controlled, but the flow of nozzle is uncontrollable, and device is horizontal positioned, whether barrel fills completely also cannot be determined, the more difficult realization of flow-control of nozzle.
Summary of the invention
The present invention relates to a kind of valve-type micro-fluidic pair of component electrostatic spinning nozzle, propose to utilize rotation helicitic texture that shunting column casing and barrel are produced and be elevated displacement, the method that the distance regulating shunting column casing and barrel lower pointed end gap and then the micrometeor realizing spinning medium control; Add different spinning medium to realize the spinning requirement of two-component materials from two charging apertures simultaneously, mate screw thread lifting, regulate the spinning of shunting column casing clearance distance that is most advanced and sophisticated and inside and outside barrel lower pointed end to realize two component spinning of different proportion.
A kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle, it mainly comprises connector, shunting column casing, interior barrel, outer barrel, screw, dash receiver, HV generator and heating system; Interior barrel, shunting column casing, connector are connected by coaxial threaded respectively from inside to outside successively; 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 all positioned at connector upper surface; Dash receiver to be positioned at immediately below shower nozzle and to connect HV generator.
A kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle, its feature is interior barrel and shunting column casing, shunting column casing with between connector for helicitic texture is connected, also can be screw body, by rotating the lifting displacement at adjustable spinning tip and interior barrel lower pointed end, and then regulate the gap between spinning tip and inside and outside barrel lower pointed end to control the flow of spinning medium, interior barrel and outer barrel bottom separately most advanced and sophisticated outlet with the most advanced and sophisticated spinning medium formed of shunting column casing bottom spinning are all positioned at more than spinning tip, its gap spacing is 1mm (0-3mm), 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, also can be that motor lead screw transmission coordinates the flow sensor being built in the most advanced and sophisticated both sides of spinning to carry out FEEDBACK CONTROL by computer.
A kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle, can connect hot and cold secondary air in the middle part of its shower nozzle, to the further drawing-off refinement of fiber, be conducive to gathering fiber simultaneously.
A kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle, its heating system is that heating rod or heating collar heat connector, and heater strip is embedded to be heated inside and outside barrel, each heater and temperature sensor with the use of.
A kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle, during work, when inside and outside charging aperture gives different spinning material, the lifting displacement simultaneously by controlling interior barrel and shunting column casing carrys out adjust flux thus prepares the bicomponent fibers do not arranged 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 filament; Spinning medium can be graininess or pulverous molten polymer, can also be polymer solution, and when spinning medium is polymer solution, heating system can be selected not work.
A kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle, its feature is that structure is simple, can realize the microcontroller of flow, prepare the composite fibre of different component ratio, and not easily block.Can according to Production requirement, by regulating gap spacing and technological parameter to prepare different size fiber, accommodation is wide.Can pass through to change shower nozzle quantity, or nozzle type, thus improve output.
Accompanying drawing explanation
Fig. 1 is a kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle schematic diagram.
Fig. 2 is a kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle thread connecting mode partial enlarged drawing.
Fig. 3 is the most advanced and sophisticated partial enlarged drawing of a kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle spinning.
In figure: barrel in 1-, 2-shunts column casing, hopper mouth in 3-, 4-connector, the outer barrel of 5-, 6-ground connection, 7-dash receiver, 8-HV generator, 9-spinning is most advanced and sophisticated, 10-hold-down screw, 11-fixing threaded hole, the outer hopper mouth of 12-, 13-secondary air entrance.
Detailed description of the invention
A kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle, as shown in Figure 1, it mainly comprises interior barrel 1, shunting column casing 2, interior hopper mouth 3, connector 4, outer barrel 5, ground connection 6, dash receiver 7, HV generator 8, spinning tip 9, hold-down screw 10, fixing threaded hole 11, outer hopper mouth 12 and secondary air entrance 13 to shower nozzle schematic diagram.Interior barrel 1, shunting column casing 2 and connector 4 are connected by threaded coaxial from the inside to the outside, interior hopper mouth 3 and outer hopper mouth 12 are all positioned at the upper surface of connector 4, connector 4 is connected by screw 10 with outer barrel 5, outer barrel is positioned at below connector, outer barrel 5 ground connection, dash receiver 7 to be positioned at immediately below whole shower nozzle and to be communicated with HV generator 8.
Below in conjunction with specific embodiment, the present invention is further elaborated.
A kind of valve-type of the present invention micro-fluidic pair of component electrostatic spinning nozzle, such as prepare bicomponent fibers, during work, open heating system, reach after design temperature until temperature, the spinning medium a that melting is good flows into via interior hopper mouth 3 and evenly circumference is filled in the gap between shunting column casing 2 and interior barrel 1, the spinning medium b that melting is simultaneously good flows into via outer hopper mouth 12 and evenly circumference is filled in the gap between shunting column casing 2 and outer barrel 5, then in 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, after stable, rotate shunting column casing 2 and regulate shunting column casing 2 and outer barrel 5 lower end media outlet spacing, thus control the flow of spinning medium b, make a, b two kinds of spinning mediums flow out by a certain percentage, when after above-mentioned modification stability, natural sediment spinning medium on cleaning dash receiver 7, then HV generator 8 is started, the composite spinning medium converging to spinning tip forms bicomponent fibers under electric field force stretching action, thus obtained have a certain proportion of bicomponent fibers.
Claims (4)
1. the micro-fluidic bi-component electrostatic spinning nozzle of valve-type, is characterized in that: mainly comprise connector, shunting column casing, interior barrel, outer barrel, screw, dash receiver, HV generator and heating system; Interior barrel, shunting column casing, connector are connected by coaxial threaded respectively from inside to outside successively; 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 all positioned at connector upper surface; Dash receiver to be positioned at immediately below shower nozzle and to connect HV generator.
2. the micro-fluidic bi-component electrostatic spinning nozzle of a kind of valve-type according to claim 1, it is characterized in that: interior barrel with shunting column casing, shunt between column casing with connector as helicitic texture is connected, by rotating the lifting displacement at adjustable spinning tip and interior barrel lower pointed end, and then the gap between spinning tip and inside and outside barrel lower pointed end is regulated to control the flow of spinning medium.
3. the micro-fluidic bi-component electrostatic spinning nozzle of a kind of valve-type according to claim 1, it is characterized in that: interior barrel and outer barrel bottom separately most advanced and sophisticated outlet with the most advanced and sophisticated spinning medium formed of shunting column casing bottom spinning are all positioned at more than spinning tip, and its gap spacing is 1mm.
4. the micro-fluidic bi-component electrostatic spinning nozzle of a kind of valve-type according to claim 1, is characterized in that: 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 true CN104611775A (en) | 2015-05-13 |
| CN104611775B 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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928769A (en) * | 2015-07-13 | 2015-09-23 | 北京化工大学 | Spinning feeding and spinning system with double-layer material barrel and sectional type spinning nozzles |
| CN105332068A (en) * | 2015-12-11 | 2016-02-17 | 天津英鸿光大纳米科技有限公司 | Fusion electrostatic spinning equipment |
| CN105543985A (en) * | 2016-01-29 | 2016-05-04 | 佛山轻子精密测控技术有限公司 | Gap-adjustable electrostatic-spinning nozzle and array-type spinning system |
| CN105671658A (en) * | 2016-04-06 | 2016-06-15 | 佛山轻子精密测控技术有限公司 | Electrostatic spinning device using circular electrode |
| CN107955996A (en) * | 2017-12-05 | 2018-04-24 | 青岛大学 | Two-component reaction solvent-free electrospinning micro nanometer fiber of cured type and preparation method thereof |
| CN109023561A (en) * | 2018-10-26 | 2018-12-18 | 青岛科技大学 | A kind of batch prepares the electrostatic spinning apparatus of core-shell structure fiber |
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| US20060201390A1 (en) * | 2004-11-10 | 2006-09-14 | Joerg Lahann | 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 |
| CN102864502A (en) * | 2012-09-28 | 2013-01-09 | 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 |
-
2015
- 2015-02-10 CN CN201510069849.9A patent/CN104611775B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060201390A1 (en) * | 2004-11-10 | 2006-09-14 | Joerg Lahann | 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 |
| CN102864502A (en) * | 2012-09-28 | 2013-01-09 | 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 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928769A (en) * | 2015-07-13 | 2015-09-23 | 北京化工大学 | Spinning feeding and spinning system with double-layer material barrel and sectional type spinning nozzles |
| 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 |
| CN105332068A (en) * | 2015-12-11 | 2016-02-17 | 天津英鸿光大纳米科技有限公司 | Fusion electrostatic spinning equipment |
| 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 |
| CN105543985A (en) * | 2016-01-29 | 2016-05-04 | 佛山轻子精密测控技术有限公司 | Gap-adjustable electrostatic-spinning nozzle and array-type spinning system |
| CN105671658A (en) * | 2016-04-06 | 2016-06-15 | 佛山轻子精密测控技术有限公司 | Electrostatic spinning device using circular electrode |
| 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 |
| CN107955996A (en) * | 2017-12-05 | 2018-04-24 | 青岛大学 | Two-component reaction solvent-free electrospinning micro nanometer fiber of cured type and preparation method thereof |
| 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 |
| CN109023561A (en) * | 2018-10-26 | 2018-12-18 | 青岛科技大学 | A kind of batch prepares the electrostatic spinning apparatus of core-shell structure fiber |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104611775B (en) | 2016-09-21 |
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