CN100455705C - High-performance multineedle electrostatic spinning jet device - Google Patents
High-performance multineedle electrostatic spinning jet device Download PDFInfo
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- CN100455705C CN100455705C CNB2006101571068A CN200610157106A CN100455705C CN 100455705 C CN100455705 C CN 100455705C CN B2006101571068 A CNB2006101571068 A CN B2006101571068A CN 200610157106 A CN200610157106 A CN 200610157106A CN 100455705 C CN100455705 C CN 100455705C
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Abstract
The efficient multineedle electrostatic spinning sprinkling device includes constant pressure supplying system, spinnerette connected with the constant pressure supplying system, receiver electrode plate and electrostatic generator; said spinnerette is multineedle combined spinnerette, it includes spinnerette main body, cover and seal ring the two, the main body is provided with fluid cavity,the bottom of the main body is equipped with several metal nozzles, three adjacent metal nozzles are set up in regular triangle and the abduction of each circle of metal nozzles is in regular hexagon; insulated supporting parts are installed on the bottom of the main body, metal rings encompassing all metal nozzles are installed on the lower of said supporting parts, said metal rings and metal nozzles are connected with electrostatic generator directly. The invention achieves the goal of multi-needle injection simultaneously by improving the intensity of field of spinnerette, reduces the fluid jet electrostatic repulsion forces greatly caused by the small distance between the needles and makes the receiver can receive fiber in small range, so increases the efficiency in unit area and obtains carpet fiber with more uniform thickness.
Description
Technical field:
The present invention relates to electrostatic spinning apparatus, specifically is a kind of even needle point of structure secondary electrical field place field intensity of passing through, and reduces a plurality of jets and repels, and efficiently obtains the spininess electrostatic spinning spinning appts of the fine felt of small size.
Background technology
The electrospinning silk is that non-newtonian fluid produces a kind of new technique that jet forms micron and even nanofiber under high voltage electric field.Electrospinning silk technology is different from traditional spining technology, is at present unique in the world direct method that can prepare organic and inorganic nanofiber continuously.Because the electric spinning polymer nanofiber all has good prospects for application at numerous areas such as medicine, environment, organizational project and military affairs, the research of therefore relevant electrospinning silk becomes one of hot issue of global scholar's research in recent years.
Usually, electrospinning silk equipment ejection efficiency is 0.1～1.0g/h, had a strong impact on the process of its industrial applications, how to solve the efficient injection within the specific limits of electrospinning silk, be one of problem of extremely paying close attention to of the scientific research personnel of this area, but the research approach of efficient spinning is not seen pertinent literature so far and is disclosed.
The traditional electrical spinning equipment usually can't normally all spray because the jet pipe of arranging among a small circle can cause each spinning nozzle place field strength distribution extremely inhomogeneous.Meanwhile, bigger adjacent jet Coulomb repulsion causes to obtain the fine felt of independently a plurality of circles on receiving pole, does not reach to utilize spininess to be injected in the interior among a small circle purpose that improves spray silk efficient in the certain limit.So the present invention intends solving the mutual exclusive problem between the spininess jet guaranteeing that spininess takes place stablize under the situation of jet simultaneously, so that its overlapping arrangement more among a small circle in, obtain at short notice than even and have a certain thickness fine felt.
Summary of the invention
For overcoming the prior art above shortcomings, the invention provides a kind of improved spininess electrostatic spinning spinning appts, to overcome the Coulomb repulsion problem of prior art small-medium size spininess in arranging, obtain the equally distributed certain thickness fiber that has among a small circle at short notice.
High-performance multineedle electrostatic spinning jet device of the present invention comprises: level pressure liquid-supplying system, the spinning head that links to each other with the outlet of level pressure liquid-supplying system, collecting electrode plate and the electrostatic generator that is arranged on the spinning head below, described spinning head is the spininess composite spinning head, it comprises nozzle body, lid and sealing ring between the two, sap cavity is arranged in the main body, the bottom surface of main body is provided with the number of metal jet pipe, adjacent three metal jet pipes all are equilateral triangle and distribute, and every circle metal jet pipe is the regular hexagon abduction; Dielectric support is installed in bottom surface in main body, the metal ring that surrounds all metal jet pipes is installed in this supporting member lower end, described metal jet pipe directly links to each other with electrostatic generator with metal ring, the collecting electrode plate connects the ground end of electrostatic generator, so that the spinning solution of being sent in the spinning head by the level pressure liquid-supplying system is applied high-voltage dc, spray from each jet pipe thereby drive spinning solution, form many jets, realize the preparation of micron and even nanofiber.
This high-performance multineedle electrostatic spinning jet device adopts the bull composite spinning head, jet when having realized under the situation of spininess dense distribution, reduced the jet electrostatic repulsion forces that causes owing to hypotelorism between pin and the pin in the spininess spraying system greatly, make receiving pole can in small range, receive fine felt, thereby improved the efficient on the unit are, obtained the uniform fine felt of thickness at short notice.This spray silk configuration can be adjusted extremely well-adapted according to actual needs to the jet pipe number.This device can be used for the spray silk of various electrospinning silk solution.
Description of drawings:
Fig. 1 is the structural representation of high-performance multineedle electrostatic spinning jet device of the present invention;
Fig. 2 has the bull composite spinning head structural representation of 19 pins for it;
Fig. 3 is arranged in some jet pipe distribution schematic diagrams of metal ring for Fig. 2.
Specific embodiments
Following examples are bowed, and the present invention is further described for figure.
With reference to Fig. 1-3, high-performance multineedle electrostatic spinning jet device of the present invention comprises: the level pressure liquid-supplying system, and this system comprises air pump 1 and the fluid reservoir 3 that links to each other with air pump 1 outlet; Be connected the spinning head 6 of the level pressure liquid-supplying system port of export, the collecting electrode plate 12 that is arranged on spinning head 6 belows and electrostatic generator 10.The level pressure liquid-supplying system of spinning solution guarantees that the jet that sprays is evenly continuous.The system that the level pressure liquid-supplying system can adopt traditional nitrogen steel cylinder, pressure-reducing valve and flow stabilizing valve to form, pressure maintaining valve and spinner flowmeter are united use; Also can adopt hydraulic pressure liquid-supplying system or mechanical liquid-supplying system.Three kinds of liquid supplying devices all should be considered the problem of High-Voltage Insulation aspect.
The present invention adopts spininess composite spinning head 6, and it comprises nozzle body 64, lid 61 and rubber seal 62 between the two, and sap cavity 65 is arranged in the main body, guarantees its air-tightness by rubber seal 62 and poly-tetrafluoro screw 63; The bottom surface of main body is provided with number of metal jet pipe 67, and adjacent three metal jet pipes all are equilateral triangle and distribute, and every circle metal jet pipe is the regular hexagon abduction; Two poly-tetrafluoro dielectric supports 68 are installed in bottom surface in main body, and the metal ring 66 that surrounds all metal jet pipes is installed in these supporting member 68 lower ends, and described metal jet pipe 67 directly links to each other with electrostatic generator 10 with metal ring 66.Wherein, metal ring is installed with the metal jet pipe coaxial line that is in described regular hexagon center, and the spinning nozzle place of metal ring and all metal jet pipes is contour.Metal jet pipe quantity can increase or reduce the number of turns according to concrete needs.All metal jet pipes of described spinning head are all contour, and the internal diameter of metal jet pipe is 0.5～0.8mm, and the spacing of adjacent metal jet pipe can be about 1cm.
It is that the wire coiling of 1～3mm forms that metal ring 66 can adopt diameter, and the metal ring diameter is according to the difference of the syringe needle number of turns and difference.Metal jet pipe, metal ring all directly link to each other with electrostatic generator, and collecting electrode plate 12 ground connection so that the spinning solution of being sent in the spinning head by the level pressure liquid-supplying system is applied high-voltage dc, spray from each jet pipe thereby drive spinning solution, form many jets.Be arranged on the nozzle hole 25～35cm of the collecting electrode plate 12 of spinning head 6 belows apart from spinning head.
Design can provide a kind of spininess combination static spinning head according to the present invention, is used for and the supporting use of electrostatic spinning spinning appts.This spininess combination static spinning head comprises nozzle body 64, lid 61 and sealing ring 62 between the two, sap cavity 65 is arranged in the main body, the bottom surface of main body is provided with number of metal jet pipe 67, and adjacent three metal jet pipes all are equilateral triangle and distribute, and every circle metal jet pipe is the regular hexagon abduction; Dielectric support 68 is installed in bottom surface in main body, and these supporting member 68 lower ends are installed and clamped the metal ring 66 that surrounds all metal jet pipes, and described metal jet pipe 67 directly links to each other with electrostatic generator 10 with metal ring 66.
Claims (8)
1, a kind of high-performance multineedle electrostatic spinning jet device comprises level pressure liquid-supplying system, the spinning head that links to each other with the outlet of level pressure liquid-supplying system, collecting electrode plate and the electrostatic generator that is arranged on the spinning head below, it is characterized in that:
Described spinning head is the spininess composite spinning head, it comprises nozzle body, lid and sealing ring between the two, and sap cavity is arranged in the main body, and the bottom surface of main body is provided with the number of metal jet pipe, adjacent three metal jet pipes all are equilateral triangle and distribute, and every circle metal jet pipe is the regular hexagon abduction; Dielectric support is installed in bottom surface in main body, and the metal ring that surrounds all metal jet pipes is installed in this supporting member lower end, and described metal jet pipe directly links to each other with electrostatic generator with metal ring.
2, according to the high-performance multineedle electrostatic spinning jet device of claim 1, it is characterized in that: in spinning head, described metal ring is installed with the metal jet pipe coaxial line that is in described regular hexagon center.
3, according to the high-performance multineedle electrostatic spinning jet device of claim 1, it is characterized in that: all metal jet pipes of described spinning head are all contour.
4, according to the high-performance multineedle electrostatic spinning jet device of claim 1, it is characterized in that: in spinning head, the spinning nozzle place of described metal ring and all metal jet pipes is contour.
5, according to the high-performance multineedle electrostatic spinning jet device of claim 1 or 3, it is characterized in that: the internal diameter of the metal jet pipe of described spinning head is 0.5～0.8mm.
6, according to the high-performance multineedle electrostatic spinning jet device of claim 1, it is characterized in that: the spacing of adjacent conductive metal jet pipe is 1cm in the described spinning head.
7, according to the high-performance multineedle electrostatic spinning jet device of claim 1, it is characterized in that: the distance between the nozzle hole of described spinning head and the collecting electrode plate is 25～35cm.
8, a kind of spininess combination static spinning head, comprise nozzle body, lid and sealing ring between the two, sap cavity is arranged in the main body, the bottom surface of main body is provided with the number of metal jet pipe, adjacent three metal jet pipes all are equilateral triangle and distribute, and every circle metal jet pipe is the regular hexagon abduction; Dielectric support is installed in bottom surface in main body, and the metal ring that surrounds all metal jet pipes is installed in this supporting member lower end, and described metal jet pipe directly links to each other with electrostatic generator with metal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101571068A CN100455705C (en) | 2006-11-24 | 2006-11-24 | High-performance multineedle electrostatic spinning jet device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101571068A CN100455705C (en) | 2006-11-24 | 2006-11-24 | High-performance multineedle electrostatic spinning jet device |
Publications (2)
| Publication Number | Publication Date |
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| CN1962966A CN1962966A (en) | 2007-05-16 |
| CN100455705C true CN100455705C (en) | 2009-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101571068A Expired - Fee Related CN100455705C (en) | 2006-11-24 | 2006-11-24 | High-performance multineedle electrostatic spinning jet device |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886294B (en) * | 2009-05-13 | 2012-02-29 | 黑龙江大学 | Electrostatic spinning device with non-solution contact electrode |
| JP5815228B2 (en) * | 2010-12-06 | 2015-11-17 | トップテック・カンパニー・リミテッドＴＯＰＴＥＣ Ｃｏ．， Ｌｔｄ． | Electrospinning apparatus and nanofiber manufacturing apparatus |
| CN102071484B (en) * | 2011-02-22 | 2012-09-05 | 张靓 | High-voltage electrostatic shuttle nano spinning device |
| CN102181946A (en) * | 2011-05-13 | 2011-09-14 | 杨恩龙 | Multiple-nozzle electrostatic spinning device with conical auxiliary electrodes |
| CN102529366B (en) * | 2012-01-13 | 2014-12-17 | 华中科技大学 | Device and method for preparing array patterns based on static spray printing |
| CN103194805B (en) * | 2013-04-15 | 2015-04-22 | 厦门大学 | Claw multi-nozzle electrospinning jet device with auxiliary air flow |
| CN103334166B (en) * | 2013-06-18 | 2015-11-25 | 清华大学 | Electrospinning liquid filament forming device and electrostatic spinning machine |
| CN103334163B (en) * | 2013-06-18 | 2015-11-25 | 清华大学 | Electrospinning spinnerets unit, electrospinning liquid filament forming device and electrostatic spinning machine |
| CN108193291B (en) * | 2018-03-29 | 2023-07-28 | 深圳市四清空气技术有限公司 | Collecting template and electrostatic spinning device |
| CN109097843B (en) * | 2018-09-25 | 2023-04-04 | 东莞市倍益清环保科技有限公司 | Multi-needle electrostatic spinning equipment with uniform electric field distribution |
| CN109487348B (en) * | 2018-11-28 | 2020-08-07 | 青岛科技大学 | Device and method for enhancing induction field intensity at tip of electrostatic spinning nozzle |
| CN112958305B (en) * | 2021-02-04 | 2021-11-16 | 南京微毫科技有限公司 | Electric field distribution control device, method and equipment for electrostatic spray nozzle array and computer storage medium |
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| CN1435515A (en) * | 2002-01-30 | 2003-08-13 | 韩国科学技术研究院 | Polymer fibre web mfg. device and method |
| CN1456716A (en) * | 2003-06-10 | 2003-11-19 | 清华大学 | Device and method for preparing tissue engineering supporting materials by electric spinning |
| CN2753747Y (en) * | 2004-10-27 | 2006-01-25 | 东华大学 | Spinneret plate for electrostatic spinning |
| JP2006283240A (en) * | 2005-04-01 | 2006-10-19 | Oji Paper Co Ltd | Web-producing apparatus |
| CN1861268A (en) * | 2006-05-29 | 2006-11-15 | 张爱华 | Interfacial boost type spinning-nozzle free electrofluid dynamic method, and its application |
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2006
- 2006-11-24 CN CNB2006101571068A patent/CN100455705C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435515A (en) * | 2002-01-30 | 2003-08-13 | 韩国科学技术研究院 | Polymer fibre web mfg. device and method |
| CN1456716A (en) * | 2003-06-10 | 2003-11-19 | 清华大学 | Device and method for preparing tissue engineering supporting materials by electric spinning |
| CN2753747Y (en) * | 2004-10-27 | 2006-01-25 | 东华大学 | Spinneret plate for electrostatic spinning |
| JP2006283240A (en) * | 2005-04-01 | 2006-10-19 | Oji Paper Co Ltd | Web-producing apparatus |
| CN1861268A (en) * | 2006-05-29 | 2006-11-15 | 张爱华 | Interfacial boost type spinning-nozzle free electrofluid dynamic method, and its application |
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| Publication number | Publication date |
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| CN1962966A (en) | 2007-05-16 |
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Granted publication date: 20090128 Termination date: 20121124 |