CN103774252A - Centrifugal electrostatic spinning device for large-scale preparation of orientational nanofibers - Google Patents
Centrifugal electrostatic spinning device for large-scale preparation of orientational nanofibers Download PDFInfo
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- CN103774252A CN103774252A CN201410050160.7A CN201410050160A CN103774252A CN 103774252 A CN103774252 A CN 103774252A CN 201410050160 A CN201410050160 A CN 201410050160A CN 103774252 A CN103774252 A CN 103774252A
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- electrostatic spinning
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Abstract
The invention discloses a centrifugal electrostatic spinning device for large-scale preparation of orientational nanofibers. The device comprises a high-voltage power supply device, an electrostatic spinning machine, a plurality of receiving plates and a centrifugal driving mechanism, wherein the high-voltage power supply device is connected with the electrostatic spinning machine; the receiving plates are grounded to form negative poles; the centrifugal driving mechanism drives the electrostatic spinning machine to perform centrifugal movement; the receiving plates take the electrostatic spinning machine as the center to form an annulus. The centrifugal electrostatic spinning device disclosed by the invention can improve the stability of jet flows and the uniformity of the fiber, and greatly improves the degree of order of the fiber; under the centrifugal force, the polymer jet flows are collected orderly among the receiving plates; the receiving plates are arranged to form the annulus, so that the space of the orderly fiber collected is enlarged; therefore, large-scale preparation of the orientational nanofibers is realized to meet the application requirements.
Description
Technical field
The present invention relates to electrostatic spinning technique field, relate in particular to a kind of centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber.
Background technology
Electrostatic spinning technique is to prepare at present the most important basic skills of nanofiber.The core of this technology is that charged fluids is flowed and distortion in electrostatic field, finally obtains fibrous material, thereby provides a kind of new processing method for macromolecule becomes nano-functional material.That electrostatic spinning technique has advantages of is easy and simple to handle, applied widely, production efficiency is relatively high, and the nanofiber spinning out has that fiber finer, specific area are large, porosity high, and therefore electrostatic spinning technique is widely used.Traditional method of electrostatic spinning utilizes electric field force that polymer solution or melt are extracted out and formed jet from capillary exit exactly, through swing, evaporation, fine process, finally obtain nano level fiber, but the standby nanofiber of traditional electro-spinning is all unordered, this has just limited its application in some key areas, such as nanofiber is in the application of the aspects such as organizational project, photoelectronic sensor, functional composite material.At present also proposed several devices for the preparation of orientation nanofiber, but its collecting amount is few, has just limited its extensive use, the nanofiber of therefore preparing in a large number orientation becomes emphasis and the development trend of research.
Summary of the invention
The problem that the present invention solves is to provide a kind of centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber.
For addressing the above problem, the present invention has disclosed a kind of centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber, comprise high voltage power supply device, electrostatic spinning machine, dash receiver and centrifugal driving mechanism, described high voltage power supply device is connected with described electrostatic spinning machine, described dash receiver ground connection forms negative pole, described centrifugal driving mechanism drives described electrostatic spinning machine to make centrifugal motion, and described dash receiver is multiple, and described multiple dash receiver is arranged to annular centered by described electrostatic spinning machine.
Preferably, spaced set between described multiple dash receiver.
Preferably, described centrifugal driving mechanism comprises centrifugal motor, supporting disk and rotating shaft, described rotating shaft is vertically arranged at described centrifugal motor, and described centrifugal motor drives described rotating shaft to rotate, described supporting disk is horizontally disposed with and is arranged in described rotating shaft, and described supporting disk is driven and is rotated by described rotating shaft, and described electrostatic spinning machine is arranged on described supporting disk, and the spinning head of described electrostatic spinning machine is towards described dash receiver.
Preferably, described electrostatic spinning machine comprises charge pump, piston, charging basket and spinning head, described charge pump is arranged on described supporting disk, and described piston is arranged between described charge pump and described charging basket, and it is reciprocating in described charging basket that described charge pump promotes described piston.
Preferably, described centrifugal motor is the centrifugal motor of adjustable speed.
The disclosed centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber, comprise high voltage power supply device, electrostatic spinning machine, dash receiver and centrifugal driving mechanism, described high voltage power supply device is connected with described electrostatic spinning machine, described dash receiver ground connection forms negative pole, described centrifugal driving mechanism drives described electrostatic spinning machine to make centrifugal motion, described dash receiver is multiple, and described multiple dash receiver is arranged to annular centered by described electrostatic spinning machine.The disclosed centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber, by electrostatic spinning machine, centrifugal driving mechanism are rationally set, and dash receiver is arranged to annular centered by described electrostatic spinning machine, when electrostatic spinning machine is rotated under the driving of centrifugal driving mechanism, the polymer jet ejecting from spinning machine spinning head has added centrifugal force, centrifugal force can improve the stability of jet and the uniformity of fiber, and has greatly improved the degree of order of fiber; Polymer jet is collected in an orderly manner between dash receiver under the effect of centrifugal force, by dash receiver is arranged to annular, has increased the space of collected ordered fiber, thereby realizes a large amount of preparations of orientation nanofiber, to meet user demand.
Accompanying drawing explanation
Fig. 1 is the structural representation of disclosed centrifugal electrostatic spinning apparatus;
Fig. 2 is the disclosed structural representation that is collected in the orientation nanofiber between adjacent two dash receivers.
1, piston; 2, charging basket; 3, spinning head; 4, electrostatic spinning machine; 5, rotating shaft; 6, supporting disk; 7, centrifugal motor; 8, high voltage power supply device; 9, dash receiver; 91, dash receiver; 92, dash receiver; 10, ground power line; 11, centrifugal driving mechanism; 12, charge pump.
The specific embodiment
The existing device for the preparation of orientation nanofiber, collecting amount is few, has limited its extensive use, therefore, need to design a kind of electrostatic spinning apparatus, in order to prepare in a large number orientation nanofiber.
In view of the above-mentioned problems in the prior art, the present invention has disclosed a kind of centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber, comprise high voltage power supply device, electrostatic spinning machine, dash receiver and centrifugal driving mechanism, described high voltage power supply device is connected with described electrostatic spinning machine, described dash receiver ground connection forms negative pole, described centrifugal driving mechanism drives described electrostatic spinning machine to make centrifugal motion, described dash receiver is multiple, and described multiple dash receiver is arranged to annular centered by described electrostatic spinning machine.
Preferably, spaced set between described multiple dash receiver.
Preferably, described centrifugal driving mechanism comprises centrifugal motor, supporting disk and rotating shaft, described rotating shaft is vertically arranged at described centrifugal motor, and described centrifugal motor drives described rotating shaft to rotate, described supporting disk is horizontally disposed with and is arranged in described rotating shaft, and described supporting disk is driven and is rotated by described rotating shaft, and described electrostatic spinning machine is arranged on described supporting disk, and the spinning head of described electrostatic spinning machine is towards described dash receiver.
Preferably, described electrostatic spinning machine comprises charge pump, piston, charging basket and spinning head, described charge pump is arranged on described supporting disk, and described piston is arranged between described charge pump and described charging basket, and it is reciprocating in described charging basket that described charge pump promotes described piston.
Preferably, described centrifugal motor is the centrifugal motor of adjustable speed.
The disclosed centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber, by electrostatic spinning machine, centrifugal driving mechanism are rationally set, and dash receiver is arranged to annular centered by described electrostatic spinning machine, when electrostatic spinning machine is rotated under the driving of centrifugal driving mechanism, the polymer jet ejecting from spinning machine spinning head has added centrifugal force, centrifugal force can improve the stability of jet and the uniformity of fiber, and has greatly improved the degree of order of fiber; Polymer jet is collected in an orderly manner between dash receiver under the effect of centrifugal force, by dash receiver is arranged to annular, has increased the space of collected ordered fiber, thereby realizes a large amount of preparations of orientation nanofiber, to meet user demand.
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is described in detail.
As shown in Figure 1, the present invention has disclosed a kind of centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber, comprise high voltage power supply device 8, electrostatic spinning machine 4, dash receiver 9 and centrifugal driving mechanism 11, high voltage power supply device 8 is connected with electrostatic spinning machine 4, high voltage power supply device 8 provides power supply to electrostatic spinning machine 4, centrifugal driving mechanism 11 drives electrostatic spinning machine 4 to make centrifugal motion, dash receiver 9 is for collecting the polymer jet ejecting from the spinning head of electrostatic spinning machine 4, dash receiver 9 ground connection form negative pole, dash receiver 9 is multiple, and multiple dash receivers 9 are arranged to annular centered by electrostatic spinning machine 4.By electrostatic spinning machine 4, centrifugal driving mechanism 11 are rationally set, and dash receiver 9 is arranged to annular centered by electrostatic spinning machine 4, when electrostatic spinning machine 4 is rotated under the driving of centrifugal driving mechanism 11, the polymer jet ejecting from spinning machine spinning head has added centrifugal force, centrifugal force can improve the stability of jet and the uniformity of fiber, and has greatly improved the degree of order of fiber; Polymer jet is collected in an orderly manner between dash receiver 9 under the effect of centrifugal force, by dash receiver 9 is arranged to annular, has increased the space of collected ordered fiber, thereby realizes a large amount of preparations of orientation nanofiber, to meet user demand.In addition, dash receiver 9 can form by conductive plate large by multiple grades, that equidistantly arrange, thereby can arbitrarily regulate by increasing or reduce the quantity of conductive plate the size of dash receiver 9.
In the preferred embodiment of the present invention, spaced set between multiple dash receivers 9.So arrange, make to be collected in fiber between dash receiver 9 more even.
Particularly, centrifugal driving mechanism 11 comprises centrifugal motor 7, supporting disk 6 and rotating shaft 5, rotating shaft 5 is vertically arranged at centrifugal motor 7, and centrifugal motor 7 drives rotating shaft 5 to rotate, supporting disk 6 is horizontally disposed with and is arranged in rotating shaft 5, and supporting disk 6 is driven and is rotated by rotating shaft 5, and electrostatic spinning machine 4 is arranged on supporting disk 6, and the spinning head 3 of electrostatic spinning machine 4 is towards dash receiver 9.
In the preferred embodiment of the present invention, centrifugal motor 7 is the centrifugal motor of adjustable speed.By adopting adjustable speed centrifugal motor, can be by regulating the rotating speed of centrifugal motor 7 to regulate the rotating speed of electrostatic spinning machine 4, thus regulate the rotary speed of jet, to control the uniformity of fiber.In addition, also can be by the distance between size and the dash receiver 9 of adjusting dash receiver 9 to control the area of the orientation nanofiber of collecting.
The disclosed centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber, when use, first in charging basket 2, pack polymer into, promoting piston 1 by charge pump 12 enters spinning head 3 and carries out spinning, high voltage power supply device 8 is connected with spinning head 3, multiple dash receivers 9 are respectively by ground power line 10 ground connection, then open the switch of adjustable speed centrifuge 7, open the switch of high voltage power supply device 8, thus, between spinning head 3 and dash receiver 9, form electric field, make the polymer solution in spinning head 3 exits form solid jet under the effect of high pressure, jet is through swinging, evaporation, fine process, under the effect of centrifugal force, collect the nanofiber being ordered in a large number between dash receiver 9.As shown in Figure 2, dash receiver 91 and dash receiver 92 are two adjacent dash receivers, and dash receiver 91 and dash receiver 92 are the nanofiber of ordered arrangement before.
The disclosed centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber, comprise high voltage power supply device 8, electrostatic spinning machine 4, dash receiver 9 and centrifugal driving mechanism 11, high voltage power supply device 8 is connected with electrostatic spinning machine 4, dash receiver 9 ground connection form negative pole, centrifugal driving mechanism 11 drives electrostatic spinning machine 4 to make centrifugal motion, dash receiver 9 is multiple, and multiple dash receiver 9 is arranged to annular centered by electrostatic spinning machine 4.The disclosed centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber, by electrostatic spinning machine 4, centrifugal driving mechanism 11 are rationally set, and dash receiver 9 is arranged to annular centered by electrostatic spinning machine 4, when electrostatic spinning machine 4 is rotated under the driving of centrifugal driving mechanism 11, the polymer jet ejecting from electrostatic spinning machine 4 spinning heads 3 has added centrifugal force, centrifugal force can improve the stability of jet and the uniformity of fiber, and has greatly improved the degree of order of fiber; Polymer jet is collected in an orderly manner between dash receiver 9 under the effect of centrifugal force, by dash receiver 9 is arranged to annular, has increased the space of collected ordered fiber, thereby realizes a large amount of preparations of orientation nanofiber, to meet user demand.
The disclosed centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber, simple in structure, easy to operate, control simple, technological process is short.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. prepare in a large number the centrifugal electrostatic spinning apparatus of orientation nanofiber for one kind, it is characterized in that: comprise high voltage power supply device, electrostatic spinning machine, dash receiver and centrifugal driving mechanism, described high voltage power supply device is connected with described electrostatic spinning machine, described dash receiver ground connection forms negative pole, described centrifugal driving mechanism drives described electrostatic spinning machine to make centrifugal motion, described dash receiver is multiple, and described multiple dash receiver is arranged to annular centered by described electrostatic spinning machine.
2. the centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber according to claim 1, is characterized in that: spaced set between described multiple dash receivers.
3. the centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber according to claim 1, it is characterized in that: described centrifugal driving mechanism comprises centrifugal motor, supporting disk and rotating shaft, described rotating shaft is vertically arranged at described centrifugal motor, and described centrifugal motor drives described rotating shaft to rotate, described supporting disk is horizontally disposed with and is arranged in described rotating shaft, and described supporting disk is driven and is rotated by described rotating shaft, described electrostatic spinning machine is arranged on described supporting disk, and the spinning head of described electrostatic spinning machine is towards described dash receiver.
4. the centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber according to claim 3, it is characterized in that: described electrostatic spinning machine comprises charge pump, piston, charging basket and spinning head, described charge pump is arranged on described supporting disk, described piston is arranged between described charge pump and described charging basket, and it is reciprocating in described charging basket that described charge pump promotes described piston.
5. the centrifugal electrostatic spinning apparatus of preparing in a large number orientation nanofiber according to claim 3, is characterized in that: described centrifugal motor is the centrifugal motor of adjustable speed.
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Cited By (5)
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| CN106087082A (en) * | 2016-08-15 | 2016-11-09 | 青岛大学 | A kind of centrifugal spinning device |
| CN106435772A (en) * | 2016-10-21 | 2017-02-22 | 上海工程技术大学 | Method and device for preparing nano fiber by using electrostatic method |
| CN107456609A (en) * | 2017-07-17 | 2017-12-12 | 浙江大学 | The preparation method of directionality biology micro nanometer fiber support quick preparation device and micro nanometer fiber support |
| CN110207600A (en) * | 2019-06-21 | 2019-09-06 | 广东工业大学 | A kind of spinning equipment, at silk detection device and at yarn examination method |
| CN110220468A (en) * | 2019-06-21 | 2019-09-10 | 广东工业大学 | A kind of spinning equipment, wire vent detection device and yarn examination method out |
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| CN103114342A (en) * | 2013-03-05 | 2013-05-22 | 青岛大学 | Simple and efficient electrostatic spinning device for preparing directional nanofibers |
| CN203795024U (en) * | 2014-02-13 | 2014-08-27 | 苏州大学 | Centrifugal electrostatic spinning device for preparing mass orientation nanofibers |
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| US20060228435A1 (en) * | 2004-04-08 | 2006-10-12 | Research Triangle Insitute | Electrospinning of fibers using a rotatable spray head |
| JP4981355B2 (en) * | 2006-05-10 | 2012-07-18 | 公立大学法人 滋賀県立大学 | Electrostatic spinning device |
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Cited By (6)
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| CN106087082A (en) * | 2016-08-15 | 2016-11-09 | 青岛大学 | A kind of centrifugal spinning device |
| CN106087082B (en) * | 2016-08-15 | 2018-04-20 | 青岛大学 | A kind of centrifugal spinning device |
| CN106435772A (en) * | 2016-10-21 | 2017-02-22 | 上海工程技术大学 | Method and device for preparing nano fiber by using electrostatic method |
| CN107456609A (en) * | 2017-07-17 | 2017-12-12 | 浙江大学 | The preparation method of directionality biology micro nanometer fiber support quick preparation device and micro nanometer fiber support |
| CN110207600A (en) * | 2019-06-21 | 2019-09-06 | 广东工业大学 | A kind of spinning equipment, at silk detection device and at yarn examination method |
| CN110220468A (en) * | 2019-06-21 | 2019-09-10 | 广东工业大学 | A kind of spinning equipment, wire vent detection device and yarn examination method out |
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