CN102312296B - Rolling drum-type electrospinning equipment - Google Patents
Rolling drum-type electrospinning equipment Download PDFInfo
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- CN102312296B CN102312296B CN 201010226963 CN201010226963A CN102312296B CN 102312296 B CN102312296 B CN 102312296B CN 201010226963 CN201010226963 CN 201010226963 CN 201010226963 A CN201010226963 A CN 201010226963A CN 102312296 B CN102312296 B CN 102312296B
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Abstract
The invention relates to rolling drum-type electrospinning equipment, which comprises an electrospinning liquid impregnating mechanism, a chain-like emitting electrode, a receiving electrode and a high-tension electricity generator. The electrospinning liquid impregnating mechanism comprises a raw material tank and a sizing drum, wherein the raw material tank is used for placing an electrospinning liquid, and the sizing rolling drum rotates in the raw material tank. The chain-like emitting electrode is in contact with the sizing rolling drum, so as to enable the electrospinning liquid to be attached onto the chain-like emitting electrode. The high-tension electricity generator is respectively electrically connected with the chain-like emitting electrode and the receiving electrode.
Description
Technical field
The invention relates to a kind of electro-spinning equipment, and particularly relevant for a kind of drum-type electro-spinning equipment.
Background technology
Electrospinning is for can produce one of nanofiber (Nanofibers) manufacturing technology, and its principle mainly is the electric field driven power of utilizing between positive and negative electrode, overcomes surface tension and the viscosity of high molecular electrospinning liquid, makes electrospinning liquid form very thin fiber.In the prior art, be to apply high voltage in high molecular electrospinning liquid by emission electrode, after charged electrospinning liquid sprays through nozzle (Spinneret), because being with electrical and mutually exclusive, relend the attraction that helps between positive and negative electrode and be dispersed into thread, thread electrospinning liquid, draw to collector.After the solvent evaporates in the electrospinning liquid, the electrospinning fibre that gets final product superfinely (Electrostatic spinning Fibers).
Compared to traditional spin processes, the spun fiber of electrospinning institute is superfine, and the cloth that is made into has higher porosity, and surface area is larger, thereby is favored.Yet in the existing electrospinning, charged electrospinning liquid is to utilize nozzle to penetrate receiver to negative pole mostly, because the aperture of nozzle is superfine, often can cause because of remnant the situation of nozzle or pipe blocking after using repeatedly.And when changing different types of electrospinning liquid, must matching purge pipeline and nozzle, thereby reduced the scope of application of electrospinning liquid.
The TaiWan, China patent has proposed a kind of electro-spinning equipment TW200827501 number, and it has adopted the feeding mechanism of drum-type, and collocation wire emission electrode, to solve the problem of spray nozzle clogging.Yet the required initial voltage of wire emission electrode is higher, and because its fabric width is larger, is difficult to reach comprehensively the evenly effect of electrospinning.
Therefore, how to solve the aforementioned disadvantages of the drum-type electro-spinning equipment that uses the wire emission electrode, just become an important problem.
Summary of the invention
Therefore purpose of the present invention just provides a kind of drum-type electro-spinning equipment that uses the chain emission electrode, in order to reduce initial voltage and to reach the effect of comprehensive spinning.
A kind of drum-type electro-spinning equipment according to the present invention proposes comprises electrospinning liquid impregnation mechanism, chain emission electrode, collecting electrode, and the high-tension electricity generator.Electrospinning liquid impregnation mechanism comprises raw material tank and starching cylinder, and raw material tank is in order to place electrospinning liquid, and the starching cylinder rotates in raw material tank.The chain emission electrode contacts with the starching cylinder, so that electrospinning liquid is attached to the chain emission electrode.The high-tension electricity generator is connected with collecting electrode with the chain emission electrode respectively.
The chain emission electrode can be pelletron, and pelletron comprises a plurality of pearl bodies and connects the connecting line of pearl body.The cross sectional shape of pearl body can be circle, ellipse, square, polygon or irregularly shaped.The maximum gauge of pearl body can be between 0.5 millimeter to 20 millimeters.The chain emission electrode can be a plurality of rings of mutual serial connection.The shape of ring can be circle, ellipse, triangle, polygon, water-drop-shaped or irregularly shaped.The maximum outside diameter of ring is between 0.5 millimeter to 20 millimeters.The chain emission electrode can comprise a plurality of saucer-like configurations of mutual serial connection.The chain emission electrode comprises a plurality of protuberances, has spacing between the protuberance.The chain emission electrode can be still or contacts with the starching cylinder rotationally.The material of pearl body, ring or the saucer-like configuration of chain emission electrode can be conductor or non-conductor.
Useful technique effect of the present invention is: use the needed initial voltage of drum-type electro-spinning equipment of chain emission electrode less than the drum-type electro-spinning equipment that uses the wire emission electrode, and can reach the effect of comprehensive even spinning.
Description of drawings
For above and other objects of the present invention, feature, advantage can be become apparent, below with reference to accompanying drawing preferred embodiment of the present invention is elaborated, wherein:
Fig. 1 is the schematic diagram that illustrates drum-type electro-spinning equipment one embodiment of the present invention.
Fig. 2 is the schematic diagram of the first embodiment that illustrates the chain emission electrode of drum-type electro-spinning equipment of the present invention.
Fig. 3 A to Fig. 3 I is the sectional view that illustrates respectively the different embodiment of pearl body of chain emission electrode.
Fig. 4 is the schematic diagram that illustrates chain emission electrode the second embodiment of the present invention.
Fig. 5 is the schematic diagram that illustrates chain emission electrode the 3rd embodiment of the present invention.
Fig. 6 is the schematic diagram that illustrates chain emission electrode the 4th embodiment of the present invention.
The specific embodiment
Below will clearly demonstrate spirit of the present invention with accompanying drawing and detailed description, have in the technical field under any and know that usually the knowledgeable is after understanding preferred embodiment of the present invention, when can be by the technology of teachings of the present invention, change and modification, it does not break away from spirit of the present invention and scope.
With reference to Fig. 1, it is the schematic diagram that illustrates drum-type electro-spinning equipment one embodiment of the present invention.Drum-type electro-spinning equipment 100 includes electrospinning liquid impregnation mechanism 110, chain emission electrode 120, collecting electrode 130, and high-tension electricity generator 140.Wherein electrospinning liquid impregnation mechanism 110 includes raw material tank 112 and starching cylinder 114, and raw material tank 112 is that starching cylinder 114 then is the middle rolling at raw material tank 112, so that the electrospinning liquid in the raw material tank 112 is attached to starching cylinder 114 in order to place electrospinning liquid.120 of chain emission electrodes are to contact with starching cylinder 114, so that electrospinning liquid is attached on the chain emission electrode 120.Wherein the material of starching cylinder 114 is insulating materials, and the material of chain emission electrode 120 is conductor.Chain emission electrode 120 can be for contacting with starching cylinder 114 still or rotationally.Chain emission electrode 120 can be for contacting with starching cylinder 114 one to one.Chain emission electrode 120 can contact with starching cylinder 114 for many-one ground.
High-tension electricity generator 140 is connected with collecting electrode 130 with chain emission electrode 120 respectively, so that chain emission electrode 120 and collecting electrode 130 are respectively with different electrical.Chain emission electrode 120 is electrical with first by high- tension electricity generator 140, and 130 of collecting electrodes are by high-tension electricity generator 140 and electrical with second.Chain emission electrode 120 contacts with starching cylinder 114, and the electrospinning liquid in the raw material tank 112 is attached on the chain emission electrode 120 by starching cylinder 114.Electrospinning liquid on the chain emission electrode 120 electrically is subject to the identical electrical mutual expelling force of high pressure with identical, and breaks away from starching cylinder 114, and scatters and be thread electrospinning liquid.This is subject to attraction with the second electrical collecting electrode 130 with the first electrical electrospinning liquid, forms electrospinning fibre and draw to an end of collecting electrode 130.
The collecting electrode 130 of drum-type electro-spinning equipment 100 can be the aspects such as plate electrode or arc-shaped electrode.Drum-type electro-spinning equipment 100 can also include conveyer belt 132, and conveyer belt 132 is between collecting electrode 130 and chain emission electrode 120, and conveyer belt 132 comparatively is close to collecting electrode 130, is towed to the Electrospun of collecting electrode 130 with collection.Conveyer belt 132 can also include fabric, and Electrospun can be combined with the fabric of conveyer belt 132, to form composite fabric.
With reference to Fig. 2, it is the schematic diagram of the first embodiment that illustrates the chain emission electrode of drum-type electro-spinning equipment of the present invention.Chain emission electrode 200 can be pelletron.The connecting line 220 that the chain emission electrode 200 of pelletron includes a plurality of pearl bodies 210 and connects these pearl bodies 210.The diameter of a plurality of pearl bodies 210 is identical in fact.Pearl body 210 can be and is fixed on the connecting line 220 fixedly, makes pearl body 210 be fixed on fixed point on the connecting line 220.Perhaps, pearl body 210 can be for passing connecting line 220 movably, and pearl body 210 can slide with respect to connecting line 220.The material of connecting line 220 can be conductor or non-conductor.The material of pearl body 210 can be conductor or non-conductor.
Because the chain emission electrode 200 of pelletron comprises the pearl body 210 of the stereochemical structure with protuberance 212, maintain spacing d between the protuberance 212.By the protuberance 212 of pearl body 210, can so that electrospinning liquid is vulnerable to electric field to be excited and spray, can effectively reduce forming the needed initial voltage of Electrospun.In addition, the protuberance 212 that electrospinning liquid can be inclined to by pearl body 210 sprays, because in the scope that the fabric width of chain emission electrode 200 is contained, pearl body 210 is haply for distributing fifty-fifty, therefore can keep the stable Electrospun of chain emission electrode 200 each points to spin, make Electrospun spray more even and reach comprehensive electrospinning of large fabric width.
In an experiment, adopt the PVA of concentration expressed in percentage by weight 12% as electrospinning liquid, the spacing between starching cylinder and the collecting electrode is 12.5 centimeters, the fabric width of emission electrode is 160 centimeters.Be 1.5 millimeters wire electrode during as emission electrode when adopting diameter, needed initial voltage is 110 kilovolts; And when the diameter that adopts the pearl body was 1.5 millimeters pelletron as the chain emission electrode, initial voltage was 85 kilovolts; When the diameter that adopts the pearl body was 2.4 millimeters pelletron as the chain emission electrode, initial voltage was 93 kilovolts; When the diameter that adopts the pearl body was 3.0 millimeters pelletron as the chain emission electrode, initial voltage was 91 kilovolts.Can be learnt by above experimental data, use the required initial voltage of drum-type electro-spinning equipment of chain emission electrode to be significantly less than the required initial voltage of drum-type electro-spinning equipment that uses the wire emission electrode.
With reference to Fig. 3 A to Fig. 3 E, it is the sectional view that illustrates respectively the different embodiment of pearl body of chain emission electrode.Among Fig. 3 A, the cross sectional shape of pearl body 210a is circular.Among Fig. 3 B, the cross sectional shape of pearl body 210b is oval.Among Fig. 3 C, the cross sectional shape of pearl body 210c is square.Among Fig. 3 D, the cross sectional shape of pearl body 210d is polygon.Among Fig. 3 E, the cross sectional shape of pearl body 210e is irregularly shaped.
With reference to Fig. 3 F to Fig. 3 I, it is the three-dimensional view that illustrates the different embodiment of pearl body.Among Fig. 3 F, pearl body 210f can be disc.Pearl body 210g among Fig. 3 G to Fig. 3 I, 210h, 210i can be the engraved polyhedron of surperficial tool.
The pearl body 210 of the chain emission electrode 200 of the pelletron among Fig. 2 can be identical shaped or difformity.The cross sectional shape of pearl body 210 is to be selected from by circular, oval, square, polygon, the irregularly shaped and group that forms.The maximum gauge of pearl body 210 is approximately between 0.5 millimeter to 20 millimeters.The maximum gauge of the pearl body 210 on the chain emission electrode 200 can be identical or different.The material of pearl body 210 can be conductor or non-conductor.
With reference to Fig. 4, it is the schematic diagram that illustrates chain emission electrode the second embodiment of the present invention.Include many first pearl body 310, a plurality of the second pearl body 320 in the chain emission electrode 300 of pelletron, and the connecting line 330 that connects the first pearl body 310, the second pearl body 320.The cross sectional shape of the first pearl body 310 can be different from the cross sectional shape of the second pearl body 320, and the maximum gauge of the first pearl body 310 can be different from the maximum gauge of the second pearl body 320.
With reference to Fig. 5, it is the schematic diagram that illustrates chain emission electrode the 3rd embodiment of the present invention.Chain emission electrode 400 includes a plurality of rings 410 of mutual serial connection, wherein encircles 410 shape and can be circle, ellipse, triangle, polygon, water-drop-shaped or irregularly shaped.The shape of the ring 410 of the chain emission electrode 400 in the present embodiment be of a size of identical in fact, but in other embodiments, chain emission electrode 400 can be formed by two or more ring 410 serial connection.The maximum outside diameter of ring 410 is between 0.5 millimeter to 20 millimeters.The material of ring 410 can be conductor or non-conductor.
With reference to Fig. 6, it is the schematic diagram that illustrates chain emission electrode the 4th embodiment of the present invention.Chain emission electrode 500 includes the saucer-like configuration 510 of a plurality of mutual serial connections, and the shape of saucer-like configuration 510 can be irregularly shaped for circle, ellipse, water-drop-shaped, polygon or other.Chain emission electrode 500 can be formed by a plurality of identical saucer-like configuration 510 serial connections, and perhaps, chain emission electrode 500 can be formed by a plurality of different saucer-like configurations 510 serial connections.The maximum outside diameter of saucer-like configuration 510 is between 0.5 millimeter to 5 millimeters.The material of saucer-like configuration 510 can be conductor or non-conductor.
Saucer-like configuration 510 comprises and has protuberance 512, and protuberance maintains spacing d between 512.By the protuberance 512 of saucer-like configuration 510, can so that electrospinning liquid is vulnerable to electric field to be excited and spray, can effectively reduce forming the needed initial voltage of Electrospun.In addition, the protuberance 512 that electrospinning liquid can be inclined to by saucer-like configuration 510 sprays, because in the scope that the fabric width of chain emission electrode 500 is contained, the protuberance 512 of saucer-like configuration 510 is haply for distributing fifty-fifty, therefore can keep the stable Electrospun of chain emission electrode 500 each points to spin, make Electrospun spray more even and reach comprehensive electrospinning of large fabric width.
By the invention described above preferred embodiment as can be known, use the present invention and have following advantages.Use the needed initial voltage of drum-type electro-spinning equipment of chain emission electrode less than the drum-type electro-spinning equipment that uses the wire emission electrode, and can reach the effect of comprehensive even spinning.
Although the present invention discloses as above with preferred embodiment; yet it is not to limit the present invention; anyly be familiar with this operator; without departing from the spirit and scope of the present invention; when can doing the various changes that are equal to or replacement, so protection scope of the present invention is when looking accompanying being as the criterion that the application's claim scope defines.
Claims (4)
1. drum-type electro-spinning equipment comprises:
One electrospinning liquid impregnation mechanism comprises a raw material tank and a starching cylinder, and this raw material tank is in order to place an electrospinning liquid, and this starching cylinder rotates in this raw material tank;
One chain emission electrode, contact with this starching cylinder, so that this electrospinning liquid is attached to this chain emission electrode, this chain emission electrode comprises a pelletron, this pelletron comprises a plurality of pearl bodies and connects a connecting line of described these pearl bodies, and the maximum gauge of described these pearl bodies is between 1.5 millimeters to 3 millimeters;
One collecting electrode; And
One high-tension electricity generator is connected with this collecting electrode with this chain emission electrode respectively.
2. drum-type electro-spinning equipment according to claim 1 is characterized in that, this chain emission electrode is for contacting with this starching cylinder still.
3. drum-type electro-spinning equipment according to claim 1 is characterized in that, this chain emission electrode is for contacting with this starching cylinder rotationally.
4. drum-type electro-spinning equipment according to claim 1 is characterized in that, the material of this chain emission electrode is conductor or non-conductor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010226963 CN102312296B (en) | 2010-06-30 | 2010-06-30 | Rolling drum-type electrospinning equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010226963 CN102312296B (en) | 2010-06-30 | 2010-06-30 | Rolling drum-type electrospinning equipment |
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| Publication Number | Publication Date |
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| CN102312296A CN102312296A (en) | 2012-01-11 |
| CN102312296B true CN102312296B (en) | 2013-10-30 |
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| CN 201010226963 Active CN102312296B (en) | 2010-06-30 | 2010-06-30 | Rolling drum-type electrospinning equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018203182A1 (en) * | 2017-04-30 | 2018-11-08 | Fanavaran Nano-Meghyas Company (Ltd.) | Cartridge electrospinning system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110257927B (en) * | 2019-05-30 | 2021-11-19 | 北京百年初心科技有限公司 | Electrostatic spinning machine is used in nanofiber production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10136256A1 (en) * | 2001-07-25 | 2003-04-24 | Helsa Werke Gmbh & Co Kg | Device for producing fibers in an electrostatic spinning process |
| CN1849418A (en) * | 2003-09-08 | 2006-10-18 | 利伯西科技大学 | A method of nanofibres production from a polymer solution using electrostatic spinning and a device for carrying out the method |
| CN101189368A (en) * | 2005-06-07 | 2008-05-28 | 埃尔马科有限公司 | A method and device for production of nanofibres from the polymeric solution through electrostatic spinning |
| TW200827501A (en) * | 2006-12-21 | 2008-07-01 | Taiwan Textile Res Inst | Electrostatic spinning apparatus |
| CN101512052A (en) * | 2006-09-04 | 2009-08-19 | 埃尔马科有限公司 | Rotary spinning electrode |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ2006359A3 (en) * | 2006-06-01 | 2007-12-12 | Elmarco, S. R. O. | Device for producing nanofibers by electrostatic spinning of polymeric solutions |
| US7815427B2 (en) * | 2007-11-20 | 2010-10-19 | Clarcor, Inc. | Apparatus and method for reducing solvent loss for electro-spinning of fine fibers |
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2010
- 2010-06-30 CN CN 201010226963 patent/CN102312296B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10136256A1 (en) * | 2001-07-25 | 2003-04-24 | Helsa Werke Gmbh & Co Kg | Device for producing fibers in an electrostatic spinning process |
| CN1849418A (en) * | 2003-09-08 | 2006-10-18 | 利伯西科技大学 | A method of nanofibres production from a polymer solution using electrostatic spinning and a device for carrying out the method |
| CN101189368A (en) * | 2005-06-07 | 2008-05-28 | 埃尔马科有限公司 | A method and device for production of nanofibres from the polymeric solution through electrostatic spinning |
| CN101512052A (en) * | 2006-09-04 | 2009-08-19 | 埃尔马科有限公司 | Rotary spinning electrode |
| TW200827501A (en) * | 2006-12-21 | 2008-07-01 | Taiwan Textile Res Inst | Electrostatic spinning apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018203182A1 (en) * | 2017-04-30 | 2018-11-08 | Fanavaran Nano-Meghyas Company (Ltd.) | Cartridge electrospinning system |
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