CN105113029A - Linear nozzle for electrostatic spinning - Google Patents
Linear nozzle for electrostatic spinning Download PDFInfo
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- CN105113029A CN105113029A CN201510611017.5A CN201510611017A CN105113029A CN 105113029 A CN105113029 A CN 105113029A CN 201510611017 A CN201510611017 A CN 201510611017A CN 105113029 A CN105113029 A CN 105113029A
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- rotating shaft
- electrostatic spinning
- spiral metal
- nozzle
- solution tank
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Abstract
The invention relates to an electrostatic spinning nozzle, in particular to a linear nozzle for electrostatic spinning. The linear nozzle is provided with a solution tank, a rotating shaft, a spiral metal ring, supporting bases and a driving device. The upper surface of the solution tank is open. The rotating shaft is arranged above the solution tank, is conductive and is externally connected with a high voltage electrostatic generation device. The two ends of the rotating shaft are connected with the driving device. The left and right sides of the rotating shaft are fixed to the supporting bases respectively. The rotating shaft is fixedly connected with the two ends of the spiral metal ring and located in the axis position of the spiral metal ring. The linear nozzle for electrostatic spinning solves the problems that the yield of an existing electrostatic spinning device is not high enough and the uniformity of thicknesses of spun fiber membranes is low, and can be used for manufacturing nano-fiber membranes on a large scale. The linear nozzle has the advantages of being simple in structure, low in cost, high in efficiency and the like. The spinning yield is greatly improved compared with a traditional needle tip electrostatic spinning nozzle, the problem that the nozzle is blocked does not exist, and the thickness consistency of the spun nano-fiber membranes is high.
Description
Technical field
The present invention relates to a kind of electrostatic spinning nozzle, especially relate to the linear shower nozzle of a kind of electrostatic spinning that can carry out extensive spinning.
Background technology
Nanofiber Manufacture and application technology is the focus in frontier science and technology field in recent years.In fields such as information, biology, environment, the impact that nanofiber technology brings to industry is very large.Along with the development of nanometer technology, electrostatic spinning technique, as a kind of effective, practical nanofiber preparation method, is paid close attention to day by day widely in nano materials research field.As far back as 1934, Formhals invented the device producing high molecular superfine fiber with electrostatic field.But, until in recent years along with the development of modern science and technology and the rise of nanometer technology, electrostatic spinning technique just obtains more deep research and achieves great development.Many research groups produce great interest to electrostatic spinning, and report a series of organic polymer fiber having technique to prepare.
Traditional electrostatic spinning technique is one and prepares the most widely used technology of nanofiber, it utilizes HV generator to produce several kilovolts even high-pressure electrostatic of tens kilovolts and apply pressure in polymer solution or melt, makes needle tip drop deformation form taylor cone.When electric field force reaches critical value, can overcome surface tension, jetting stream, jet reels in the electric field, and bending, final curing is on dash receiver.But, in traditional electrostatic spinning, the electrostatic spinning output of needle point spray nozzle type is little, though adopt Multi-tip spray nozzle type electrostatic spinning apparatus to improve output to a certain extent, but because the spacing between spinning head is little, easy generation electrostatic interference, make spinning process unstable, and some spinning heads does not carry out spinning.Low-yield, homogeneity difference is that Electrospun can not the main cause of large-scale industrial production or application.Document [1] ([1] OODosunmu, GGChase, WKataphinan, etal.Nanotechnology.2006; 11:1123-7.) prepared nanofiber with antipriming pipe as shower nozzle, output improves about 250 times than traditional electrostatic spinning in this way.But the preparation process of this method is unstable, and the problem of antipriming pipe blocking is also difficult to solve.Chinese patent CN200810153891.9 reports a kind of non-woven not electric spinning equipment in batches, the metal roller that this device adopts the circumferential outer surface being immersed in polymer solution to be cast with tapered thread is injector head, spinning is carried out to replace traditional needle point shower nozzle, though output significantly improves, but it exists the high shortcoming of injection electric threshold value, and the nanofiber containing two kinds of materials can not be spun simultaneously.
Summary of the invention
The object of this invention is to provide a kind of spinning nozzle device improving electrospinning device productive rate and spin fiber membrane caliper uniformity.
The present invention is provided with solution tank, rotating shaft, spiral metal circle, supporting seat, drive unit; Described solution tank upper surface open, rotating shaft is located at above solution tank, and rotating shaft can be conducted electricity and external high-voltage electrostatic generator, and rotating shaft two ends are connected with drive unit, the rotating shaft left and right sides is separately fixed on supporting seat, and rotating shaft and spiral metal circle two ends are connected and are positioned at the shaft core position of spiral metal circle.
Described rotating shaft can adopt metal material to make, and the rotating speed of rotating shaft can be 5 ~ 15r/min.
Described supporting seat can adopt insulating materials to make, and supporting seat and rotating shaft use ceramic bearing to be connected.
Described spiral metal circle can be the wire wound into spring shape of 1 ~ 5mm by diameter, and the diameter of spiral metal circle can be 40 ~ 200mm.
The present invention is directed to existing electrospinning device productive rate not enough, spin fiber membrane caliper uniformity low, propose a kind of electrostatic spinning nozzle that can be used for preparing on a large scale nano-fiber film.The present invention has the features such as structure is simple, low cost, high efficiency.Use the present invention to carry out spinning, productive rate more traditional needle point electrospinning spinnerets has great raising, and without shower nozzle blockage problem, spun nano-fiber film consistency of thickness is higher.
Accompanying drawing explanation
Fig. 1 is one of embodiment of the present invention structural upright schematic diagram.
Fig. 2 is embodiment of the present invention structural upright schematic diagram two.
Fig. 3 is the spiral metal circular structure schematic diagram of the embodiment of the present invention.
Detailed description of the invention
See Fig. 1 ~ 3, the embodiment of the present invention is provided with solution tank 1, rotating shaft 2, spiral metal circle 3, supporting seat 4, drive unit 5; Described solution tank 1 upper surface open, rotating shaft 2 is located at above solution tank 1, rotating shaft can be conducted electricity and external high-voltage electrostatic generator, rotating shaft 2 two ends are connected with drive unit 5, rotating shaft 2 left and right sides is separately fixed on supporting seat 4, and rotating shaft 2 and spiral metal circle 3 two ends are connected and are positioned at the shaft core position of spiral metal circle 3.
Described rotating shaft can adopt metal material to make, and the rotating speed of rotating shaft can be 5 ~ 15r/min.
Described supporting seat can adopt insulating materials to make, and supporting seat and rotating shaft use ceramic bearing to be connected.
Described spiral metal circle can be the wire wound into spring shape of 1 ~ 5mm by diameter, and the diameter of spiral metal circle can be 40 ~ 200mm.
When adopting spinning of the present invention, comprise the following steps:
1) spinning solution prepared is poured in solution tank;
2) be connected with rotating shaft by high-voltage electrostatic generator positive pole, negative pole is connected with receiving system;
3) start drive unit with drive shaft, and drive spiral metal circle to rotate;
4) confirm in the liquid that spiral metal circle has 1/5 to 1/3 part can be immersed in solution tank;
5) start high-voltage electrostatic generator, regulation output voltage, start electrostatic spinning;
6) nanofiber is produced on the reception device;
7) first close high-voltage electrostatic generator, rear cut out drive unit, takes off the nanofiber on receiving system;
8) spinning terminates.
Claims (5)
1. the linear shower nozzle of electrostatic spinning, is characterized in that being provided with solution tank, rotating shaft, spiral metal circle, supporting seat, drive unit; Described solution tank upper surface open, rotating shaft is located at above solution tank, and rotating shaft can be conducted electricity and external high-voltage electrostatic generator, and rotating shaft two ends are connected with drive unit, the rotating shaft left and right sides is separately fixed on supporting seat, and rotating shaft and spiral metal circle two ends are connected and are positioned at the shaft core position of spiral metal circle.
2. the linear shower nozzle of electrostatic spinning as claimed in claim 1, is characterized in that described rotating shaft adopts metal material to make.
3. the linear shower nozzle of electrostatic spinning as claimed in claim 1, is characterized in that the rotating speed of described rotating shaft is 5 ~ 15r/min.
4. the linear shower nozzle of electrostatic spinning as claimed in claim 1, it is characterized in that described supporting seat adopts insulating materials to make, supporting seat and rotating shaft use ceramic bearing to be connected.
5. the linear shower nozzle of electrostatic spinning as claimed in claim 1, it is characterized in that described spiral metal circle is the wire wound into spring shape of 1 ~ 5mm by diameter, the diameter of spiral metal circle is 40 ~ 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510611017.5A CN105113029A (en) | 2015-09-23 | 2015-09-23 | Linear nozzle for electrostatic spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510611017.5A CN105113029A (en) | 2015-09-23 | 2015-09-23 | Linear nozzle for electrostatic spinning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105113029A true CN105113029A (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510611017.5A Pending CN105113029A (en) | 2015-09-23 | 2015-09-23 | Linear nozzle for electrostatic spinning |
Country Status (1)
| Country | Link |
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| CN (1) | CN105113029A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106119994A (en) * | 2016-09-02 | 2016-11-16 | 天津工业大学 | A kind of nonmetal rotating shaft being easy to power up |
| CN106400134A (en) * | 2016-11-10 | 2017-02-15 | 西安工程大学 | Reciprocating liquid feeding type nozzle-free electrostatic spinning device and method for producing nano-fiber membranes by using same |
| CN106757420A (en) * | 2017-01-20 | 2017-05-31 | 东华大学 | A kind of spiral goove flute profile electrostatic spinning apparatus and its application method |
| CN115537941A (en) * | 2022-10-24 | 2022-12-30 | 广东石油化工学院 | Linear electrostatic spinning device and using method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040096532A1 (en) * | 2000-12-19 | 2004-05-20 | Alexander Dubson | Polymer fiber tubular structure having kinking resistance |
| CN101275298A (en) * | 2008-05-13 | 2008-10-01 | 华南理工大学 | Non-nozzle continuous electrostatic spinning system |
| CN102216502A (en) * | 2008-10-17 | 2011-10-12 | 迪肯大学 | Electrostatic spinning assembly |
-
2015
- 2015-09-23 CN CN201510611017.5A patent/CN105113029A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040096532A1 (en) * | 2000-12-19 | 2004-05-20 | Alexander Dubson | Polymer fiber tubular structure having kinking resistance |
| CN101275298A (en) * | 2008-05-13 | 2008-10-01 | 华南理工大学 | Non-nozzle continuous electrostatic spinning system |
| CN102216502A (en) * | 2008-10-17 | 2011-10-12 | 迪肯大学 | Electrostatic spinning assembly |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106119994A (en) * | 2016-09-02 | 2016-11-16 | 天津工业大学 | A kind of nonmetal rotating shaft being easy to power up |
| CN106119994B (en) * | 2016-09-02 | 2018-05-01 | 天津工业大学 | A kind of nonmetallic shaft easy to power-up |
| CN106400134A (en) * | 2016-11-10 | 2017-02-15 | 西安工程大学 | Reciprocating liquid feeding type nozzle-free electrostatic spinning device and method for producing nano-fiber membranes by using same |
| CN106757420A (en) * | 2017-01-20 | 2017-05-31 | 东华大学 | A kind of spiral goove flute profile electrostatic spinning apparatus and its application method |
| CN106757420B (en) * | 2017-01-20 | 2018-10-23 | 东华大学 | A kind of spiral goove flute profile electrostatic spinning apparatus and its application method |
| CN115537941A (en) * | 2022-10-24 | 2022-12-30 | 广东石油化工学院 | Linear electrostatic spinning device and using method |
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Application publication date: 20151202 |
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| RJ01 | Rejection of invention patent application after publication |