CN104141174B - A kind of electrostatic spinning orientation fibers preparation facilities - Google Patents
A kind of electrostatic spinning orientation fibers preparation facilities Download PDFInfo
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- CN104141174B CN104141174B CN201410353959.3A CN201410353959A CN104141174B CN 104141174 B CN104141174 B CN 104141174B CN 201410353959 A CN201410353959 A CN 201410353959A CN 104141174 B CN104141174 B CN 104141174B
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Abstract
The present invention discloses a kind of electrostatic spinning orientation fibers preparation facilities, primarily of electrostatic spinning nozzle, reception cam set, electrostatic power unit, motor, Controlling System and support composition, wherein electrostatic spinning nozzle is clamped by Controlling System, receive cam set to support by support, receive cam set and it is placed in the lower end of electrostatic spinning nozzle, electrostatic power unit high-voltage output end connects spinning nozzle, electrostatic power unit ground terminal and receive cam set simultaneously ground connection, receive cam set under the transmission of motor according to the rules program rotate. A kind of electrostatic spinning orientation fibers preparation facilities of the present invention, by receiving the receiving system of cam set as electrostatic spinning apparatus, realize the consecutive variations to electrostatic spinning electric field, thus indirectly control spinning drop point, achieve the reception of big area continuous print oriented nanofibers, oriented nanofibers suitability for industrialized production is significant.
Description
Technical field
The present invention relates to a kind of electrostatic spinning orientation fibers preparation method and device, belong to electrostatic spinning field.
Background technology
Electrostatic spinning technique, as a kind of simple and easy method preparing continuous micro/nano-fibre, receives extensively research and industrialization development concern in recent years. Its process applies high tension electrostatic field exactly between shower nozzle and receiving trap, makes polarized polymer fluid overcome surface tension under the effect of electrical forces, forms jet, through solvent volatilization or melt cooling solidification, obtains the process of ultra-fine fibre on dash receiver.
Efficiently prepare one of the important goal that orientation fibers is electrostatic spinning technique. The roller of electrostatic high speed rotating is the orientation fibers mode generally adopted, but is difficult to reach fiber collecting speed, or easily causes airflow fluctuation under high speed, can be blown open by fiber. The effective ways that less reception area prepares orientation fibers mainly contain following several: Liu etc. have studied magnetic field and assist the method (LiuY, ZhangX, XiaY, etal.Advancedmaterial, 2010,22:2454-2457) preparing orientation fibers; Li etc. have studied and utilize parallel receiving electrode to obtain orientation fibers (LiD, WangY, XiaY.NanoLetters, 2003,3 (8): 1167-1171); Some investigators are had to attempt utilizing near field spinning to obtain orientation fibers (SunD, ChangC, LiS, LinL, NanoLetters, 2006,6 (4): 839-842); Centrifugal electrospinning process is the novel method (EdmondsonD that preparation larger area oriented nanofibers efficiency is higher, CooperA, JanaS, etal.JournalofMaterialChemical, 2012,22 (35): 18646-18652), but centrifugal electrospinning process is also in the research initial stage, there is the problem with device complexity of collecting continuously.
In order to solve the problem, it is achieved the orientations of efficient quick and large-area nano Electrostatic spinning of fibres, it is proposed that a kind of based on receiving novel method and the device that structure is improved.
Summary of the invention
The present invention proposes a kind of electrostatic spinning orientation fibers preparation method and device, the control to electrostatic spinning electric field is realized by the receiving trap of the parallel cam composition rotated, thus obtain the arrangement of target orientation fiber, this apparatus structure is simple, easy to operate, also can carry out mass expansion, contribute to the preparation of big area high-level efficiency orientation electrospun fibers.
The present invention proposes a kind of electrostatic spinning orientation fibers preparation facilities, it mainly forms has: electrostatic spinning nozzle, reception cam set, electrostatic power unit, motor, Controlling System and support. Wherein electrostatic spinning nozzle is clamped by Controlling System, receive cam set to support by support, receive cam set and it is placed in the lower end of electrostatic spinning nozzle, electrostatic power unit high-voltage output end connects spinning nozzle, electrostatic power unit ground terminal and receive cam set simultaneously ground connection, receive cam set under the transmission of motor according to the rules program rotate.
The present invention proposes a kind of electrostatic spinning orientation fibers preparation facilities, wherein spinning nozzle is the controlled solution of flow or melt spinning shower nozzle, and nozzle type is one or more the combination wherein such as single injection needles, multiple injection needles, rotational roller, rotation spring, inner conical surface shower nozzle, outer conical surface shower nozzle.
The present invention proposes a kind of electrostatic spinning orientation fibers preparation facilities, wherein receive cam set to be made up of rod member and cam, multiple parallel cam is cam set, cam set and rod member are all metal material, receive the angle between cam set, speed of rotation, cam-shaped line, cam spacing and cam number and decide dynamic electric field distribution, thus determine the direction of high-speed jet orientation.
The present invention proposes a kind of electrostatic spinning orientation fibers preparation facilities, wherein shower nozzle can also ground connection, reception cam set is connect electrostatic power unit high-voltage output end.
The present invention proposes a kind of electrostatic spinning orientation fibers preparation facilities, wherein Controlling System both can control the spacing between spinning nozzle and cam set, also can control feedstock flow amount size.
The present invention proposes a kind of electrostatic spinning orientation fibers preparation facilities, wherein motor is with motion-control module, by the rotary motion of programming realization regularity, thus drive cam set according to the rules program rotate.
The present invention is by receiving the receiving system of cam set as electrostatic spinning apparatus, realize the consecutive variations to electrostatic spinning electric field, thus indirectly control spinning drop point, it is achieved that and the reception of big area continuous print oriented nanofibers, oriented nanofibers suitability for industrialized production is significant.
Accompanying drawing explanation
Fig. 1 is a kind of electrostatic spinning orientation fibers preparation facilities structural representation of the present invention.
Fig. 2 is a kind of structure formation that Fig. 1 receives cam set.
1-electrostatic power unit, 2-electrostatic spinning nozzle, 3-Controlling System, 4-motor, 5-support, 6-receives cam set, 7-nanofiber, 8-cam, 9-rod member.
Embodiment
The present invention proposes a kind of electrostatic spinning orientation fibers preparation facilities, as depicted in figs. 1 and 2, it mainly forms has: electrostatic spinning nozzle 2, reception cam set 6, electrostatic power unit 1, motor 4, Controlling System 3 and support 5. Wherein electrostatic spinning nozzle 1 is clamped by Controlling System 2, determines the position of electrostatic spinning nozzle 1 by Controlling System 2 according to the thickness of collection requirement and silk, receives cam set 6 and supports by support 5, receives cam set 6 and is placed in electrostatic spinning nozzle 2 times ends. Electrostatic power unit 1 high-voltage output end connects spinning nozzle 2, electrostatic power unit 1 ground terminal with receive cam set 6 simultaneously ground connection, receive cam set 6 under the transmission of motor 4 according to the rules program rotate.
The present invention proposes a kind of electrostatic spinning orientation fibers preparation facilities, its using method step is: first configure a certain amount of spinning solution. During spinning, first open the motor 4 having set rotation program, drive reception cam set 6 to rotate. Then open electrostatic power unit 1 and carry out spinning. Spinning solution is band electric forming taylor cone under the most advanced and sophisticated electric field produced of cam set and shower nozzle, and taylor cone forms jet and flies to cam set. Owing to there being certain angle between two cams, during rotation, its top is different with shower nozzle distance, and the strength of electric field causing the cam nearer with shower nozzle and shower nozzle to produce is bigger. Jet under the effect of bigger strength of electric field more easily by the cam receiver nearer with shower nozzle. Along with the continuous change of two cam point and shower nozzle distance, jet is regularly received between two cams by arrangement, finally forms orientation fibers.
An embodiment is as shown in Figure 1, shower nozzle is injection needles, syringe needle internal diameter 0.41mm, spinning material adopts the aqueous solution of complete alcoholysis polyvinyl alcohol (PVA1799) 10% massfraction, receive cam set and adopt two cam plate parallel constructions, as shown in Figure 2, cam plate profile line style is the linear design all accelerated and all slow down, cam plate end is 4mm knuckle, cam plate thickness 4mm, a cam plate tip circle and the attached circle of another cam plate are corresponding, and to be fixed on camshaft two cam plate spacing be 60mm, cam plate tip circle radius is 50mm, fourth contact radius is 30mm, (namely the shape of two cam plates is identical, the phase differential being arranged on rod member 9 can be 90-180 ��, two cam plates are all fixed on rod member 9 and rotate), through 20min spinning, can observe and form nanofiber arranged in parallel between two cam plates.
Claims (6)
1. an electrostatic spinning orientation fibers preparation facilities, it is characterized in that: primarily of electrostatic spinning nozzle, reception cam set, electrostatic power unit, motor, Controlling System and support composition, wherein electrostatic spinning nozzle is clamped by Controlling System, receive cam set to support by support, receive cam set and it is placed in the lower end of electrostatic spinning nozzle, electrostatic power unit high-voltage output end connects spinning nozzle, electrostatic power unit ground terminal and receive cam set simultaneously ground connection, receive cam set under the transmission of motor according to the rules program rotate; Receiving cam set to be made up of rod member and cam, multiple parallel cam is cam set, cam set and rod member is all metal material, and dynamic electric field distribution is determined by the angle received between cam set, speed of rotation, cam-shaped line, cam spacing and cam number.
2. a kind of electrostatic spinning orientation fibers preparation facilities according to claim 1, it is characterized in that: spinning nozzle is the controlled solution of flow or melt spinning shower nozzle, and nozzle type is one or more the combination wherein such as injection needles, rotational roller, rotation spring, inner conical surface shower nozzle or outer conical surface shower nozzle.
3. a kind of electrostatic spinning orientation fibers preparation facilities according to claim 1, it is characterised in that: shower nozzle can also ground connection, reception cam set is connect electrostatic power unit high-voltage output end.
4. a kind of electrostatic spinning orientation fibers preparation facilities according to claim 1, it is characterised in that: Controlling System both can control the spacing between spinning nozzle and cam set, and/or control feedstock flow amount size.
5. a kind of electrostatic spinning orientation fibers preparation facilities according to claim 1, it is characterised in that: motor with motion-control module, by the rotary motion of programming realization regularity, thus drive cam set according to the rules program rotate.
6. a kind of electrostatic spinning orientation fibers preparation facilities according to claim 1, it is characterised in that: receiving cam set and include the identical cam plate of two shapes, the phase differential that they are arranged on rod member is 90-180 ��.
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| CN201410353959.3A CN104141174B (en) | 2014-07-23 | 2014-07-23 | A kind of electrostatic spinning orientation fibers preparation facilities |
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| CN201410353959.3A CN104141174B (en) | 2014-07-23 | 2014-07-23 | A kind of electrostatic spinning orientation fibers preparation facilities |
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| CN104141174B true CN104141174B (en) | 2016-06-01 |
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| CN109763178B (en) * | 2019-03-15 | 2023-04-25 | 东华大学 | Combined auxiliary electrode for internal conical surface electrostatic spinning nozzle |
| CN110923828A (en) * | 2019-12-31 | 2020-03-27 | 北京化工大学 | Melt differential electrospinning orientation nano-filament bundle preparation and collection device |
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| ATE502140T1 (en) * | 2007-10-02 | 2011-04-15 | Stem Cell Technology Company | DEVICE AND METHOD FOR ELECTROSPINNING 2D OR 3D STRUCTURES OF MICRO OR NANOFIBER MATERIALS |
| US20090091065A1 (en) * | 2007-10-09 | 2009-04-09 | Indian Institute Of Technology Kanpur | Electrospinning Apparatus For Producing Nanofibers and Process Thereof |
| CN101280468B (en) * | 2008-05-22 | 2010-11-03 | 西安工程大学 | Multi-needle V-shaped groove drum electrostatic spinning system and preparation of nano-fiber tuft |
| CN101363137A (en) * | 2008-09-24 | 2009-02-11 | 重庆大学 | Electrostatic spinning device for preparing directional arrangement nano fiber |
| CN101474105B (en) * | 2008-12-10 | 2011-05-25 | 同济大学 | Parallel type electrostatic filature blood vessel support collector |
| US20100327494A1 (en) * | 2009-06-22 | 2010-12-30 | University Of South Carolina | Electrospun Fibrous Three-Dimensional Scaffolds with Well-Defined Pore Geometry |
| CN201588015U (en) * | 2009-11-20 | 2010-09-22 | 北京化工大学 | Novel molten polymer electrostatic spinning device |
| CN203583029U (en) * | 2013-12-05 | 2014-05-07 | 厦门大学 | Fiber injection device |
| CN103774251A (en) * | 2014-01-29 | 2014-05-07 | 美克霾纳米科技（苏州）有限公司 | Device for producing nanofiber nonwoven fabric through multi-needle roller type high-voltage electrostatic spinning |
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Effective date of registration: 20210621 Address after: Building 5, China Shengze textile technology pioneer park, no.1188, West 2nd Ring Road, Shengze Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Jiangsu new vision advanced functional fiber Innovation Center Co.,Ltd. Address before: 100029, No. 15 East Third Ring Road, Chaoyang District, Beijing Patentee before: BEIJING University OF CHEMICAL TECHNOLOGY |