CN203583025U - Electrostatic spinning device - Google Patents
Electrostatic spinning device Download PDFInfo
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- CN203583025U CN203583025U CN201320797138.XU CN201320797138U CN203583025U CN 203583025 U CN203583025 U CN 203583025U CN 201320797138 U CN201320797138 U CN 201320797138U CN 203583025 U CN203583025 U CN 203583025U
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Abstract
The utility model discloses an electrostatic spinning device and relates to a spinning device. The electrostatic spinning device is provided with a spinneret plate, a solution groove, a liquid supplying system, a guide assembly, a driving system, a fixing base, a fiber collecting and conveying device and a high-voltage power supply, wherein a spinning solution on spinneret nozzles is guided through the guide assembly to assist the spinning solution in generating jet flow, liquid is supplied to the spinneret nozzles accurately, quantitatively and continuously by means of the hydraulic pressure difference of the liquid supplying system, and thus the liquid supplying requirements in the batched electrostatic spinning technology are met. According to the electrostatic spinning device, the morphology and yield of fibers are controlled by changing the diameters, the numbers and the arrangement methods of the spinneret nozzles and the materials, the size of the cross section and the shape of the cross section of the guide assembly; meanwhile, the electrostatic spinning efficiency and the quality of the fibers can be further improved by controlling the conventional electrospinning technological parameters such as the liquid supplying speed, the rotating speed of the driving system, the intervals between spun silks and the electric field intensity, and batch production of nanofibers can be achieved easily.
Description
Technical field
The utility model relates to a kind of device for spinning, especially relates to a kind of electrostatic spinning apparatus.
Background technology
Electrostatic spinning technique technological principle is, the high molecular polymer drop that is placed in high-voltage electrostatic field can form taylor cone, when electric field force is enough large, drop will overcome surface tension and sprays and form jet from taylor cone cone point, the jet refinement that is stretched under the active forces such as electrostatic field force, surface tension, finally forms nanofiber and is deposited on fiber collecting transport.Electrostatic spinning technique has become the focus of current nanofiber manufacture research.
Realize electrostatic spinning mass and now become one of key factor of electrostatic spinning technique development.A lot of scholars study mass formula electrostatic spinning apparatus, as Chinese patent CN101634050A, CN102191573A.
In needle-based electrostatic spinning technique, during the spinning solution of use high concentration, syringe needle easily stops up, and causes jet discontinuous, unstable, affects spinning process.Adopt Multi needle mass electrostatic spinning apparatus, the phenomenon that also exists electric field to interfere with each other between syringe needle, causes spinning efficiency not high, cannot meet the industrialized requirement of electrostatic spinning technique.
Needleless hair style electrostatic spinning apparatus, as bubble type electrostatic spinning apparatus, centrifugal electrostatic spinning device, vibration static device for spinning, although spinning head can not stop up, feed flow is unstable, liquid supply rate inaccuracy, causes the fibre diameter uniformity of formation not high.
Summary of the invention
The purpose of this utility model is to provide can continuous, stable a kind of electrostatic spinning apparatus of preparing nanofiber.
The utility model is provided with spinnerets, solution tank, liquid-supplying system, induction assembly, drive system, holder, fiber collecting transport and high voltage source;
Spinnerets is arranged on solution tank, and spinnerets and solution tank are tightly connected; Liquid-supplying system is located at the side of solution tank, and liquid-supplying system is comprised of liquid reserve tank, feed pipe, measuring pump, and liquid reserve tank is connected with the import of measuring pump by feed pipe, and metering delivery side of pump communicates with annular solution tank by feed pipe; Described spinnerets is provided with through hole as spinning nozzle; Induction assembly is in transmission connection by holder and drive system, and induction assembly and spinning nozzle are close to, and induction assembly, by drive systems, can rotate around holder axis reposefully; Described drive system is installed on solution tank below, drive system is comprised of drive motors, shaft coupling, turning cylinder, Connection Block, drive motors is electrically connected to control circuit, can control the output speed of drive motors by setup control circuit, thereby controls the speed of induction assembly rotation; The output shaft of drive motors is in transmission connection by shaft coupling and turning cylinder, and turning cylinder is fixedly connected with and extends solution tank top with solution tank by Connection Block, drives Connection Block and induction assembly to rotate; Fiber collecting transport be positioned at solution tank directly over, fiber collecting transport top is provided with high voltage electrode net; High voltage electrode net is connected with high voltage source output, spinning solution ground connection.
Described induction assembly can adopt induction scraping blade.
The diameter of described spinning nozzle can be 0.5～2mm, and the arrangement mode of spinning nozzle on spinnerets can be the modes such as donut array, quadrate array.
Described solution tank is preferably by corrosion-resistant and make with the nonreactive conductive material of organic solvent, and described solution tank can adopt annular solution tank; Spinnerets and solution tank are sealed and matched, and prevent that spinning solution overflows in electrospinning process, cause that feed flow is unstable, inaccuracy.
Described induction assembly time rotational under the drive of drive system, has to the spinning solution of spinning nozzle the effect that forms jet of bringing out, the difference of the material of induction assembly, sectional area size, sectional area shape, and its induction effect is also different.Induction assembly and spinning nozzle, both are preferably close to.
The rotating speed of described drive system is adjustable, and the range of speeds is preferably 30～300rpm.
Described fiber collecting transport, for collecting the nanofiber of formation.Fiber collecting transport has spacing adjusting part, can regulate the relative distance with spinning nozzle, changes spinning spacing.
Described high voltage source, by setting the voltage value of high voltage source, makes to produce highfield between spinning solution and fiber collecting transport.Produce electric field and have two kinds of connected modes: the first, high voltage source output is connected with fiber collecting transport, spinning solution ground connection; The second, high voltage source output is connected with spinning solution, fiber collecting transport ground connection.
The utility model adopts induction assembly to carry out induction to the spinning solution of spinning nozzle, and auxiliary spinning solution produces jet; The hydraulic pressure difference of utilizing liquid-supplying system to spinning nozzle accurately, quantitatively, feed flow continuously, meet the feed flow requirement in mass electrostatic spinning technique.
The utlity model has following advantage:
Spinning solution is carried to solution tank by liquid-supplying system, spinning solution in solution tank can be with certain flow velocity spinning nozzle of emerging under the discharge pressure of liquid-supplying system, and under the effect of induction assembly and high voltage electric field, form stable jet, be finally deposited on fiber collecting transport.The utility model adopts induction assembly to induce the spinning solution of spinning nozzle, excites spinning solution to form jet, makes spinning solution produce stable jet; Utilize the hydraulic pressure difference of liquid-supplying system to spinning nozzle feed flow, solve in the past the coarse drawback of feed flow in mass electrostatic spinning technique.By changing material, sectional area size, the sectional area shape of diameter, quantity, arrangement mode and the induction assembly of spinning nozzle, control pattern and the output of fiber.By controlling the conventional electrospinning technological parameters such as rotating speed, spinning spacing, electric-field intensity of liquid supply speed, drive system, further improve spinning efficiency and the fiber quality of electrostatic spinning simultaneously, be conducive to realize the mass production of nanofiber.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
In figure, be respectively labeled as: 1, liquid reserve tank; 2, measuring pump; 3, feed pipe; 4, fiber collecting transport; 5, high voltage electrode net; 6, high voltage source; 7, holder; 8, spinning nozzle; 9, induction scraping blade; 10, spinnerets; 11, annular solution tank; 12, Connection Block; 13, turning cylinder; 14, shaft coupling; 15, drive motors.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.
Solution tank in the present embodiment adopts annular solution tank 11, and drive system is conveniently set; The induction scraping blade 9 that induction assembly in the present embodiment adopts 4 strip shape scraping blades to form.
Described spinnerets 10 is provided with through hole as spinning nozzle 8; Spinnerets 10 is arranged on annular solution tank 11, and both are tightly connected, and spinning solution does not overflow when guaranteeing that liquid-supplying system is fed liquid to spinning nozzle 8; Liquid-supplying system is located at the side of annular solution tank 11, liquid reserve tank 1, feed pipe 3, measuring pump 2, consists of; Liquid reserve tank 1 is connected with the import of measuring pump 2 by feed pipe 3, and the outlet of measuring pump 2 communicates with annular solution tank 11 by feed pipe 3, sets the liquid supply speed of 2 pairs of annular solution tanks 11 of measuring pump, makes the emerge speed of solution of spinning nozzle 8 meet spinning requirement; The induction that the present embodiment adopts induction scraping blade 9 to carry out spinning nozzle 8 spinning solutions, induction scraping blade 9 is in transmission connection by holder 7 and drive system, induction scraping blade 9 is close to and has periodically wiper on spinnerets 10 surfaces with spinning nozzle 8, the contact area of scraping blade and spinning nozzle 8 is large, so jet induction is effective; Induction scraping blade 9, by drive systems, can rotate around holder 7 axis reposefully; Described drive system is installed on annular solution tank 11 belows, by drive motors 15, shaft coupling 14, turning cylinder 13, Connection Block 12, formed, drive motors 15 is connected with control circuit, by setup control circuit, can control the output speed of drive motors 15, thereby control the speed of induction scraping blade 9 rotations.The output shaft of drive motors 15 is in transmission connection by shaft coupling 14 and turning cylinder 13, and turning cylinder 13 is fixedly connected with and extends annular solution tank 11 tops by Connection Block 12 and annular solution tank 11, drives Connection Block 12 and induction scraping blade 9 to rotate.Fiber collecting transport 4 be positioned at annular solution tank 11 directly over, fiber collecting transport 4 tops are provided with high voltage electrode net 5, fiber collecting transport 4 can be finely tuned with the distance of spinning nozzle 8, thereby can change spinning spacing, and the fibrofelt of formation can be transferred out to fiber laydown region in time.High voltage electrode net 5 is connected with high voltage source 6 outputs, and spinning solution ground connection adopts the mode of solution ground connection can avoid the electrical interference of high voltage electric field to drive motors 15 and interlock circuit.
The present embodiment, for the preparation of the method for nanofiber, comprises the following steps:
1) deposit the spinning solution preparing in liquid reserve tank 1;
2) set the liquid supply speed of measuring pump 2, solution injects annular solution tank 11;
3) wait until when filling with spinning solution and starting to emerge spinning nozzle 8 in annular solution tank 11, again set the liquid supply speed of measuring pump 2, make to spray institute's speed of the stoste that consumes and the maintenance of the feed speed of stoste equates, guarantee the stability of spinning course of injection;
4) set the rotating speed of drive motors 15, drive induction scraping blade 9 reposefully around axis rotation;
5) set the relative distance of fiber collecting transport 4 and spinning nozzle 8;
6) set the output voltage of high voltage source 6, the spinning solution of spinning nozzle 8 forms jet under the effect of induction scraping blade 9 and high voltage electric field, finally forms nanofiber and is deposited on fiber web.
Claims (5)
1. an electrostatic spinning apparatus, is characterized in that being provided with spinnerets, solution tank, liquid-supplying system, induction assembly, drive system, holder, fiber collecting transport and high voltage source;
Spinnerets is arranged on solution tank, and spinnerets and solution tank are tightly connected; Liquid-supplying system is located at the side of solution tank, and liquid-supplying system is comprised of liquid reserve tank, feed pipe, measuring pump, and liquid reserve tank is connected with the import of measuring pump by feed pipe, and metering delivery side of pump communicates with annular solution tank by feed pipe; Described spinnerets is provided with through hole as spinning nozzle; Induction assembly is in transmission connection by holder and drive system, and induction assembly and spinning nozzle are close to, and induction assembly is by drive systems; Described drive system is installed on solution tank below, and drive system is comprised of drive motors, shaft coupling, turning cylinder, Connection Block, and drive motors is electrically connected to control circuit; The output shaft of drive motors is in transmission connection by shaft coupling and turning cylinder, and turning cylinder is fixedly connected with and extends solution tank top with solution tank by Connection Block; Fiber collecting transport be positioned at solution tank directly over, fiber collecting transport top is provided with high voltage electrode net; High voltage electrode net is connected with high voltage source output, spinning solution ground connection.
2. a kind of electrostatic spinning apparatus as claimed in claim 1, is characterized in that described induction assembly adopts induction scraping blade.
3. a kind of electrostatic spinning apparatus as claimed in claim 1, the diameter that it is characterized in that described spinning nozzle is 0.5～2mm, the arrangement mode of spinning nozzle on spinnerets is donut array or quadrate array.
4. a kind of electrostatic spinning apparatus as claimed in claim 1, is characterized in that described solution tank adopts annular solution tank.
5. a kind of electrostatic spinning apparatus as claimed in claim 1, the rotating speed that it is characterized in that described drive system is 30～300rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797138.XU CN203583025U (en) | 2013-12-05 | 2013-12-05 | Electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797138.XU CN203583025U (en) | 2013-12-05 | 2013-12-05 | Electrostatic spinning device |
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| CN203583025U true CN203583025U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320797138.XU Expired - Fee Related CN203583025U (en) | 2013-12-05 | 2013-12-05 | Electrostatic spinning device |
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| CN (1) | CN203583025U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818537A (en) * | 2015-05-27 | 2015-08-05 | 西安工程大学 | Rotary type double needle electrostatic spinning device and method for utilizing rotary type double needle electrostatic spinning device to prepare uniform nanofiber membrane |
| CN105088366A (en) * | 2015-07-31 | 2015-11-25 | 广东工业大学 | Electrospinning device, method and system for manufacturing nanofibers in batch |
| CN106119995A (en) * | 2016-09-02 | 2016-11-16 | 天津工业大学 | A kind of solid syringe needle electrostatic spinning apparatus |
| CN107142618A (en) * | 2017-07-19 | 2017-09-08 | 盐城工业职业技术学院 | The preparation facilities and system of nano fibrous membrane |
| CN107338486A (en) * | 2016-09-26 | 2017-11-10 | 桐乡守敬应用技术研究院有限公司 | A kind of acid gas stream auxiliary electrostatic device for spinning |
| CN108823653A (en) * | 2018-07-20 | 2018-11-16 | 佛山市高明曦逻科技有限公司 | A kind of electrostatic spinning apparatus of grid receiver board and the spinning process of the electrostatic spinning apparatus |
| CN109023557A (en) * | 2018-09-14 | 2018-12-18 | 浙江农林大学暨阳学院 | A kind of electrostatic spinning apparatus |
| CN113151910A (en) * | 2021-04-01 | 2021-07-23 | 东华大学 | Curved-edge dish-shaped electrostatic spinning device and using method thereof |
-
2013
- 2013-12-05 CN CN201320797138.XU patent/CN203583025U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818537A (en) * | 2015-05-27 | 2015-08-05 | 西安工程大学 | Rotary type double needle electrostatic spinning device and method for utilizing rotary type double needle electrostatic spinning device to prepare uniform nanofiber membrane |
| CN104818537B (en) * | 2015-05-27 | 2017-03-15 | 西安工程大学 | Rotary double needle electrostatic spinning apparatus and its prepare even fiber film method |
| CN105088366A (en) * | 2015-07-31 | 2015-11-25 | 广东工业大学 | Electrospinning device, method and system for manufacturing nanofibers in batch |
| CN105088366B (en) * | 2015-07-31 | 2018-04-20 | 广东工业大学 | A kind of electrostatic spinning apparatus of batch micro operations nanofiber, method and system |
| CN106119995B (en) * | 2016-09-02 | 2018-04-13 | 天津工业大学 | A kind of solid syringe needle electrostatic spinning apparatus |
| CN106119995A (en) * | 2016-09-02 | 2016-11-16 | 天津工业大学 | A kind of solid syringe needle electrostatic spinning apparatus |
| CN107338486A (en) * | 2016-09-26 | 2017-11-10 | 桐乡守敬应用技术研究院有限公司 | A kind of acid gas stream auxiliary electrostatic device for spinning |
| CN107142618A (en) * | 2017-07-19 | 2017-09-08 | 盐城工业职业技术学院 | The preparation facilities and system of nano fibrous membrane |
| CN108823653A (en) * | 2018-07-20 | 2018-11-16 | 佛山市高明曦逻科技有限公司 | A kind of electrostatic spinning apparatus of grid receiver board and the spinning process of the electrostatic spinning apparatus |
| CN109023557A (en) * | 2018-09-14 | 2018-12-18 | 浙江农林大学暨阳学院 | A kind of electrostatic spinning apparatus |
| CN109023557B (en) * | 2018-09-14 | 2020-11-06 | 浙江农林大学暨阳学院 | Electrostatic spinning device |
| CN113151910A (en) * | 2021-04-01 | 2021-07-23 | 东华大学 | Curved-edge dish-shaped electrostatic spinning device and using method thereof |
| CN113151910B (en) * | 2021-04-01 | 2023-02-24 | 东华大学 | Curved edge dish-shaped electrostatic spinning device and using method thereof |
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| 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: 20140507 Termination date: 20181205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |