CN102191574A - Nano fiber batch manufacturing device - Google Patents
Nano fiber batch manufacturing device Download PDFInfo
- Publication number
- CN102191574A CN102191574A CN 201110131548 CN201110131548A CN102191574A CN 102191574 A CN102191574 A CN 102191574A CN 201110131548 CN201110131548 CN 201110131548 CN 201110131548 A CN201110131548 A CN 201110131548A CN 102191574 A CN102191574 A CN 102191574A
- Authority
- CN
- China
- Prior art keywords
- dot matrix
- injector head
- auxiliary dot
- auxiliary
- nano fiber
- 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.)
- Granted
Links
Images
Abstract
The invention provides a nano fiber batch manufacturing device which is simple, easy in expansion, free of an air pump and free from plugging in a nozzle. A high-voltage electrostatic generator, a collecting plate, a liquid supply slot, a solution slot, an auxiliary dot matrix injection head and an auxiliary dot matrix injection head driving device are arranged in the nano fiber batch manufacturing device; the cathode of the high-voltage electrostatic generator for generating high voltage is connected with the collecting plate for collecting nano fibers and grounded; the collecting plate is arranged above the solution slot; the liquid supply slot for supplying a polymer solution is communicated with the solution slot for containing the polymer solution through a guide pipe; the auxiliary dot matrix injection head is provided with array small-curvature radius protrusions and used for auxiliary forming of a high-electric-field intensity induction solution and generating a jet flow on the protrusions; the auxiliary dot matrix injection head is arranged on the auxiliary dot matrix injection head driving device; the auxiliary dot matrix injection head is connected with the anode of the high-voltage electrostatic generator; and the auxiliary dot matrix injection head driving device is used for driving the periodic motion of the auxiliary dot matrix injection head.
Description
Technical field
The present invention relates to a kind of nano fiber batch manufacturing installation, especially relate to a kind of device for spinning that has the auxiliary dot matrix injector head of liftable.
Background technology
Nanofiber is because its very high specific area and superior performances such as mechanics, optics and electricity, and a lot of the field is potential is widely used at sensor, actuator, catalyst, electronics, medicament slow release, biological skeleton, optics, filtration and protective clothing etc.In making the method for nanofiber, electrostatic spinning becomes the focus of research in recent years because characteristics such as its technology is simple, and cost is low might become main nanofiber manufacture method in future.Yet the output of conventional electrostatic spinning has only 0.02g/h, and efficient is very low, and the contradiction that the active demand of electro spinning nano fiber and its efficient are extremely low becomes increasingly conspicuous, and the commercial Application and the commercialization that seriously restrict nanofiber are promoted.Therefore the batch manufacturing that realizes nanofiber reduces the product cost raising market competitiveness, is the key technical problem that its commercial application is badly in need of solution.For this reason, worldwide scientific research personnel begins to attempt the batch electrospinning that the whole bag of tricks is realized nanofiber.(S.A.Theron such as S.A.Theron, A.L.Yarin, E Zussman.Multiple jets inelectrospinning:experiment and modeling.Polymer 2005 46:2889-2899) has reported a kind of combination spininess point jet array electrospinning.This method is the natural expansion to the single needle point shower nozzle of tradition, many needle points are arranged by modes such as straight line, round, ellipses with a determining deviation carry out jet spinning, but the electric field in this method between each shower nozzle influences each other, the diameter difference of preparation nanofiber is very big, even the problem that drop and zone line shower nozzle can't spray occurs.(A.L.Yarin such as A.L.Yarin, E.Zussman.Upward needleless electrospinning of multiple nanofibers.Polymer 2004,45:2977-2980) proposed self-injection electrospinning in batches, its layering solution system with lower floor's ferromagnetic fluid and upper strata polymer solution places vertical magnetic field.Polymer solution by magnetic fluid because disturbance effect has formed stretches through electric field after many spicules spray again, yet the final this method of a large amount of nanofibers that produces contains other impurity such as magnetic and silicone oil owing in the jet, influence quality of fiber, greatly limited the Application Areas of fiber.(O.O.Dosunmu such as Nigeria researcher O.O.Dosunmu, G.G.Chase, W.Kataphinan, D.H.Reneker.Electrospinning of polymer nanofibres frommultiple jets on a porous tubular surface.Nanotechnology 2006,17:1123-1127) by perforated tubular batch electric spinning equipment, utilize pneumatic shuttle will manage interpolymer solution slowly outside the extrusion cavities, under the effect of high voltage electric field, produce the multi beam jet to peripheral around the cylindrical reception of layer of metal online.The method needs air pump to assist feed flow, and structure is comparatively complicated, and has the easy blockage problem of pore.Patent WO2005/024101A1 discloses the most advanced and sophisticated spinning in batches of a kind of nothing, it is injector head that this method adopts the rotatingcylindrical drum that is immersed in polymer solution, a large amount of microspikes that utilize liquid film and electric field to interact self to produce or crest are as jet source, replace traditional needle point shower nozzle to carry out spinning, output significantly improves, but it has on injection electric threshold value height, the cylinder not easy to clean and be not suitable for shortcoming such as long-time production of residual solution.
Summary of the invention
The objective of the invention is to provides a kind of expansion that is simple and easy at the existing defective of electrospinning in batches, need not air pump, and does not have the nano fiber batch manufacturing installation of spray nozzle clogging.
The present invention is provided with HV generator, collecting board, feed tank, solution tank, auxiliary dot matrix injector head and auxiliary dot matrix injector head drive unit; The negative pole that is used to produce the HV generator of high pressure is connected and ground connection with the collecting board that is used to collect nanofiber; Collecting board is located at the solution tank top; The feed tank that is used to supply with polymer solution is communicated with by the solution tank of conduit with the splendid attire polymer solution; Auxiliary dot matrix injector head is provided with the array small curvature radius and protrudes, be used for the high electric-field intensity inducing solution of auxiliary formation and produce jet at the protrusion place, auxiliary dot matrix injector head is located on the auxiliary dot matrix injector head drive unit, and auxiliary dot matrix injector head is connected with the positive pole of HV generator; Auxiliary dot matrix injector head drive unit is used to drive the cycle movement of auxiliary dot matrix injector head.
The voltage output of described electrostatic high-pressure generator can be 20～120kV.
Described auxiliary dot matrix injector head can be conducting plate, is provided with top small curvature radius array shower nozzle on conducting plate; The radius of described top small curvature radius array shower nozzle can be 0.1～2.5mm, and the shape of described array shower nozzle can be but be not limited to pyramid, taper shape or hemispherical, can arrange arbitrarily.
Described auxiliary dot matrix injector head can move up and down near liquid level, and the cycle is 1～10s.
Described auxiliary dot matrix injector head drive unit can adopt magnetic force elevating mechanism, disk cam mechanism or circular cylindrical projection wheel mechanism etc.
Described magnetic force elevating mechanism is provided with spring coupling plate, electromagnet and control circuit, and electromagnet is located at the spring coupling plate below and is electrically connected with control circuit, by the lifting of magnetic force jacking equipment control conducting plate.
Described disk cam mechanism is provided with flat board, drive unit, is fixed on disc cam and connecting rod thereof on the flat board, and flat board is located at the disc cam top, and disc cam is connected with drive unit by connecting rod.Control the lifting of conducting plate by the rotation of disc cam.Its velocity of rotation and disc cam outline line are determined according to the lasting generation time of each single jet in the production process.
Described circular cylindrical projection wheel mechanism is provided with cylinder cam, the drive unit that is carved with spiral path, described cylinder cam is connected with drive unit, by the roll lifting of control conducting plate of the cam that moves along spiral path, its velocity of rotation and cam profile are determined according to the lasting generation time of each single jet in the production process.
Described feed tank and solution tank are communicated with by conduit at least, in the feed tank solution by the gravity effect to the solution tank feed flow.
In the nano fiber batch manufacture process, at first to open HV generator and produce high pressure, the auxiliary dot matrix injector head that then auxiliary dot matrix injector head drive unit will be immersed in the polymer solution rises to more than the liquid level, and it protrudes the top and has skim solution.The highfield that protrudes the top induces the solution at this place to produce many jets, obtains nanofiber after electric field stretching of jet process and the solvent evaporates on collecting board; After the solution that protrudes the top produces jet, auxiliary dot matrix injector head drive unit will assist the dot matrix injector head to drop to below the liquid level, and this moment, the jet of solution surface continued to spray a period of time.Continued to assist the dot matrix injector head to rise to equal height on the liquid level before the jet of being induced stops to spray, so go round and begin again, the jet on the liquid level constantly sprays, and collects a large amount of nanofibers continuously.Owing to the lasting feed flow of feed tank to solution tank, the solution in the solution tank can't reduce in the whole process of producing, and the distance of liquid level and collecting board remains unchanged.
Compared with prior art, the invention has the advantages that: 1, adopt auxiliary dot matrix injector head, the operating voltage threshold value in the time of can effectively reducing spinning need not to clean; 2, by the method for the auxiliary dot matrix injector head of cyclical upturn and downturn, the process of spinning can be carried out continuously, enhance productivity.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the auxiliary dot matrix injector head in the embodiment of the invention 1.
Fig. 3 is the structural representation of the magnetic force elevating mechanism in the embodiment of the invention 1.
Fig. 4 is the structural representation of the disk cam mechanism in the embodiment of the invention 2.
Fig. 5 is the structural representation of the circular cylindrical projection wheel mechanism in the embodiment of the invention 3.
The specific embodiment
Shown in Fig. 1～3, a kind of nano fiber batch manufacturing installation comprises HV generator 1, collecting board 2, feed tank 3, solution tank 4, auxiliary dot matrix injector head 5, auxiliary dot matrix injector head drive unit 6.3 pairs of solution tank 4 feed flows of feed tank.Collecting board 2 is connected with the negative pole of HV generator 1 and ground connection.Auxiliary dot matrix injector head 5 is connected with the positive pole of HV generator 1.Collecting board 2 place solution tank 4 directly over.Described auxiliary dot matrix injector head 5 is positioned in the solution tank 4, is connected with auxiliary dot matrix injector head drive unit 6.
In the present embodiment, auxiliary dot matrix injector head 5 is for being provided with the conducting plate of hemispherical shower nozzle, and the diameter of hemispherical shower nozzle is 2mm.Auxiliary dot matrix injector head drive unit 6 is the magnetic force elevating mechanism.Described magnetic force elevating mechanism is provided with spring coupling plate 8, electromagnet 9 and control circuit 7, and electromagnet 9 is located at spring coupling plate 8 belows and is electrically connected with control circuit 7, by the lifting of magnetic force elevating mechanism control conducting plate.Working solution is polyethylene glycol oxide (PEO, mean molecule quantity 300, the 000) aqueous solution of concentration 15%.Distance is made as 12cm between collecting board 2 and the solution tank 4.Dot matrix injector head drive unit 6 drives auxiliary dot matrix injector head 5 and rise to the above 2mm of liquid level in solution.The voltage of regulating HV generator 1 is to 27kV, on each shower nozzle, begin to produce jet, collect nanofiber on collecting board 2, then auxiliary dot matrix injector head drive unit 6 drives auxiliary dot matrix injector head 5 and drops to below the liquid level of solution, and the jet on the solution continues to spray.Behind the 3s, auxiliary dot matrix injector head drive unit 6 drives auxiliary dot matrix injector head 5 and rises to the above 2mm of liquid level place, so repeatedly.
Embodiment 2
As shown in Figure 4, the difference of present embodiment and embodiment 1 is, auxiliary dot matrix injector head drive unit 6 is a disk cam mechanism, described disk cam mechanism is provided with flat board 13, disc cam 11 and motor 101, dull and stereotyped 13 are located at disc cam 11 tops, and disc cam 11 is located on motor 101 main shafts.Control the lifting of conducting plate by the rotation of disc cam.Its velocity of rotation and disc cam outline line are determined according to the lasting generation time of each single jet in the production process.Heave period by control cam rotation and change cam contour line traffic control auxiliary magnet battle array injector head 5.
As shown in Figure 5, the difference of present embodiment and embodiment 2 is, dot matrix injector head drive unit 6 is the column type cam mechanism, described circular cylindrical projection wheel mechanism is provided with support 14, cylindrical cam 12 and motor 102, support 14 is located at cylindrical cam 12 1 sides, and cylindrical cam 12 is located on motor 102 main shafts.By the roll lifting of control conducting plate of the cam that moves along spiral path, its velocity of rotation and cam profile are determined according to the lasting generation time of each single jet in the production process.Heave period by control cam rotation and change cam contour line traffic control auxiliary magnet battle array injector head 5.
Claims (9)
1. a nano fiber batch manufacturing installation is characterized in that being provided with HV generator, collecting board, feed tank, solution tank, auxiliary dot matrix injector head and auxiliary dot matrix injector head drive unit; The negative pole that is used to produce the HV generator of high pressure is connected and ground connection with the collecting board that is used to collect nanofiber; Collecting board is located at the solution tank top; The feed tank that is used to supply with polymer solution is communicated with by the solution tank of conduit with the splendid attire polymer solution; Auxiliary dot matrix injector head is provided with the array small curvature radius and protrudes, be used for the high electric-field intensity inducing solution of auxiliary formation and produce jet at the protrusion place, auxiliary dot matrix injector head is located on the auxiliary dot matrix injector head drive unit, and auxiliary dot matrix injector head is connected with the positive pole of HV generator; Auxiliary dot matrix injector head drive unit is used to drive the cycle movement of auxiliary dot matrix injector head.
2. a kind of nano fiber batch manufacturing installation as claimed in claim 1 is characterized in that the voltage of described electrostatic high-pressure generator is output as 20～120kV.
3. a kind of nano fiber batch manufacturing installation as claimed in claim 1 is characterized in that described auxiliary dot matrix injector head is a conducting plate, is provided with top small curvature radius array shower nozzle on conducting plate.
4. a kind of nano fiber batch manufacturing installation as claimed in claim 3, the radius that it is characterized in that described top small curvature radius array shower nozzle is 0.1～2.5mm, the shape of described array shower nozzle can be but be not limited to pyramid, taper shape or hemispherical, can arrange arbitrarily.
5. a kind of nano fiber batch manufacturing installation as claimed in claim 1 is characterized in that described auxiliary dot matrix injector head moves up and down near liquid level, the cycle is 1～10s.
6. a kind of nano fiber batch manufacturing installation as claimed in claim 1 is characterized in that described auxiliary dot matrix injector head drive unit adopts magnetic force elevating mechanism, disk cam mechanism or circular cylindrical projection wheel mechanism.
7. a kind of nano fiber batch manufacturing installation as claimed in claim 6, it is characterized in that described magnetic force elevating mechanism is provided with spring coupling plate, electromagnet and control circuit, electromagnet is located at the spring coupling plate below and is electrically connected with control circuit, by the lifting of magnetic force jacking equipment control conducting plate.
8. a kind of nano fiber batch manufacturing installation as claimed in claim 1, it is characterized in that described disk cam mechanism is provided with flat board, drive unit, is fixed on disc cam and connecting rod thereof on the flat board, flat board is located at the disc cam top, and disc cam is connected with drive unit by connecting rod.
9. a kind of nano fiber batch manufacturing installation as claimed in claim 1 is characterized in that described circular cylindrical projection wheel mechanism is provided with cylinder cam, the drive unit that is carved with spiral path, and described cylinder cam is connected with drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110131548A CN102191574B (en) | 2011-05-19 | 2011-05-19 | Nano fiber batch manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110131548A CN102191574B (en) | 2011-05-19 | 2011-05-19 | Nano fiber batch manufacturing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102191574A true CN102191574A (en) | 2011-09-21 |
| CN102191574B CN102191574B (en) | 2012-09-05 |
Family
ID=44600410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110131548A Expired - Fee Related CN102191574B (en) | 2011-05-19 | 2011-05-19 | Nano fiber batch manufacturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102191574B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965743A (en) * | 2012-12-17 | 2013-03-13 | 厦门大学 | Nanofiber low-voltage electro-spinning device with auxiliary electrodes |
| CN102978718A (en) * | 2012-12-11 | 2013-03-20 | 东南大学 | Device and method for realizing mass production of nano-fibers through electrostatic spinning method |
| CN103757719A (en) * | 2014-02-12 | 2014-04-30 | 厦门大学 | Fiber felt manufacturing device |
| CN105821494A (en) * | 2016-01-07 | 2016-08-03 | 昆山同日精密测试设备有限公司 | Fine line type electrostatic spinning device for preparing nano-fibres |
| CN108411383A (en) * | 2018-04-24 | 2018-08-17 | 东华大学 | A kind of porous spherical electrostatic spinning nozzle and its spinning process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546753A (en) * | 2003-12-10 | 2004-11-17 | 同济大学 | Electrostatic spinning apparatus with multi-spraying heads for preparing coaxial composite continuous nanometer/micron fibre |
| CN1888154A (en) * | 2006-07-24 | 2007-01-03 | 厦门大学 | Polymer nano fiber batch spurting device |
| JP2008502813A (en) * | 2004-06-17 | 2008-01-31 | コリア リサーチ インスティチュート オブ ケミカル テクノロジー | Filament bundle nano-long fibers and method for producing the same |
| CN101210352A (en) * | 2007-12-21 | 2008-07-02 | 东华大学 | Taylor awl multiple spray head static spinning machine |
| JP2008223187A (en) * | 2007-03-14 | 2008-09-25 | Mecc Co Ltd | Method for producing nanofibers and apparatus therefor |
| CN201141056Y (en) * | 2007-12-21 | 2008-10-29 | 东华大学 | Multi-nozzle spinning machine for spraying upwards |
| CN101787623A (en) * | 2010-03-05 | 2010-07-28 | 厦门大学 | Macro preparation device of ordered nano-fibers |
| CN101565878B (en) * | 2009-05-27 | 2011-04-27 | 东华大学 | Ultrathin nanometer cobweb/nanometer fiber composite protective material manufacturing device |
-
2011
- 2011-05-19 CN CN201110131548A patent/CN102191574B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546753A (en) * | 2003-12-10 | 2004-11-17 | 同济大学 | Electrostatic spinning apparatus with multi-spraying heads for preparing coaxial composite continuous nanometer/micron fibre |
| JP2008502813A (en) * | 2004-06-17 | 2008-01-31 | コリア リサーチ インスティチュート オブ ケミカル テクノロジー | Filament bundle nano-long fibers and method for producing the same |
| CN1888154A (en) * | 2006-07-24 | 2007-01-03 | 厦门大学 | Polymer nano fiber batch spurting device |
| JP2008223187A (en) * | 2007-03-14 | 2008-09-25 | Mecc Co Ltd | Method for producing nanofibers and apparatus therefor |
| CN101210352A (en) * | 2007-12-21 | 2008-07-02 | 东华大学 | Taylor awl multiple spray head static spinning machine |
| CN201141056Y (en) * | 2007-12-21 | 2008-10-29 | 东华大学 | Multi-nozzle spinning machine for spraying upwards |
| CN101565878B (en) * | 2009-05-27 | 2011-04-27 | 东华大学 | Ultrathin nanometer cobweb/nanometer fiber composite protective material manufacturing device |
| CN101787623A (en) * | 2010-03-05 | 2010-07-28 | 厦门大学 | Macro preparation device of ordered nano-fibers |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102978718A (en) * | 2012-12-11 | 2013-03-20 | 东南大学 | Device and method for realizing mass production of nano-fibers through electrostatic spinning method |
| CN102965743A (en) * | 2012-12-17 | 2013-03-13 | 厦门大学 | Nanofiber low-voltage electro-spinning device with auxiliary electrodes |
| CN103757719A (en) * | 2014-02-12 | 2014-04-30 | 厦门大学 | Fiber felt manufacturing device |
| CN103757719B (en) * | 2014-02-12 | 2015-11-11 | 厦门大学 | A kind of fibrofelt preparation facilities |
| CN105821494A (en) * | 2016-01-07 | 2016-08-03 | 昆山同日精密测试设备有限公司 | Fine line type electrostatic spinning device for preparing nano-fibres |
| CN105821494B (en) * | 2016-01-07 | 2018-06-05 | 上海同芮投资管理有限公司 | A kind of filament type electrostatic spinning apparatus for preparing nanofiber |
| CN108411383A (en) * | 2018-04-24 | 2018-08-17 | 东华大学 | A kind of porous spherical electrostatic spinning nozzle and its spinning process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102191574B (en) | 2012-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102191574B (en) | Nano fiber batch manufacturing device | |
| CN105839204B (en) | Layering intravascular stent formation system and method based on electrostatic direct write and electrostatic spinning technique | |
| CN104593880A (en) | Electrostatic spinning device for producing polymer nano fibers in batches | |
| CN100503905C (en) | Jet type electrostatic spinning equipment capable of producing Nano fiber | |
| CN101182650A (en) | Preparation method of controllable patterned electricity spinning fibre congeries | |
| CN100457985C (en) | Electrostatic spinning machine | |
| CN100516322C (en) | Static spinning equipment of Nano fiber | |
| CN108385173B (en) | Electrostatic spinning nozzle with separated control of liquid level curvature and electric field and spinning method thereof | |
| CN202595358U (en) | Electrostatic spinning device | |
| CN101775706A (en) | Production method of micro nanometer fiber non-woven fabric and device | |
| CN101880916A (en) | Method for mass production and preparation of nano-fiber | |
| CN108330550B (en) | Non-nozzle type electrostatic spinning device and using method thereof | |
| CN102181947B (en) | Excitation electrospinning device | |
| CN205347635U (en) | Supplementary reciprocating type electrostatic spinning device of induction type screw thread guide arm | |
| CN103305933A (en) | Rotary porous electrostatic spinning device | |
| CN109837597B (en) | Controllable free liquid level mushroom head type electrostatic spinning nozzle suitable for high-speed movement and using method thereof | |
| CN102191573B (en) | Mass production nanofiber electrospinning device | |
| CN102965744A (en) | Composite bubble electrostatic spinning device | |
| CN108411384B (en) | Cylindrical electrostatic spinning device and method along gravity | |
| CN100374630C (en) | Electric spinning equipment | |
| CN103484954B (en) | A kind of electrostatic spinning apparatus of preparing nanofiber | |
| CN109097843A (en) | A kind of Multi needle electrospinning device with uniform electric field distribution | |
| CN107604451B (en) | Magnetic fluid spinning device | |
| CN204550807U (en) | Linear electrostatic device for spinning | |
| CN210974940U (en) | Needleless roller type electrostatic spinning equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20180519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |