CN105442064A - Bubble electrostatic spinning device for preparing three-dimensional fiber support - Google Patents
Bubble electrostatic spinning device for preparing three-dimensional fiber support Download PDFInfo
- Publication number
- CN105442064A CN105442064A CN201510780442.7A CN201510780442A CN105442064A CN 105442064 A CN105442064 A CN 105442064A CN 201510780442 A CN201510780442 A CN 201510780442A CN 105442064 A CN105442064 A CN 105442064A
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- CN
- China
- Prior art keywords
- electrostatic spinning
- charging basket
- air
- collecting device
- bubble electrostatic
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
Abstract
The invention discloses a bubble electrostatic spinning device for preparing a three-dimensional fiber support. The bubble electrostatic spinning device comprises a material barrel, a first blowing guide tube, an electrode, an air pressure supply device, a high-voltage generating device and an open rotary collecting device. The material barrel is sleeved with an air barrel, an annular airflow channel is formed between the air barrel and the material barrel, and the air barrel forms an air outlet above an outlet of the material barrel. A second blowing guide tube with one end stretching into the air barrel is further included. The other end of the second blowing guide tube is connected with the air pressure supply device, the open rotary collecting device comprises a rotary shaft, a transmission device and multiple supporting arms, the supporting arms can form a bowl-shaped rotary face when rotating along with the rotary shaft, the open rotary collecting device is connected with a grounding electrode to be grounded, and the high-voltage generating device can form an electric field between the electrode and the open rotary collecting device. The bubble electrostatic spinning device can prepare the nanofiber three-dimensional support which is wide in material range, extremely small in fiber diameter, uniform in yarn diameter distribution, fluffy in structure, extremely large in thickness and excellent in mechanical performance, the process is stable, and good universality is achieved.
Description
Technical field
The present invention is used for bubble electrostatic spinning field, particularly relates to a kind of bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds.
Background technology
Electrostatic spinning technique is the method using the most general production nanofiber at present in the world.Its nanofiber prepared has the features such as specific area, greatly draw ratio, high surface, the superior mechanical performance (high-strength and high ductility) of superelevation, in Textile Engineering, environmental project, biotechnology, medical treatment and hygiene and health, the energy are stored, military affairs and anti-terrorism safely etc. different field all there is very wide application prospect.
Bubble Static Spinning is a kind of novel electrostatic spinning process, the method need not traditional spinning head spinning, but gas is passed in polymer solution (melt), blow out a large amount of bubble, bubble is equivalent to numerous taylor cone at free surface, this is equivalent to the electrostatic spinning of Multi needle, thus substantially increases spinning speed, and bubble Static Spinning can realize the batch production of nanofiber to a certain extent.
Chinese patent CN104762673A proposes a kind of bubble electrostatic spinning apparatus preparing parallel fibers, by arranged in parallel for copper wire wire, surround a frame, as gathering-device, unstable in order to solve jet in air bubble spinning process, collect mixed and disorderly technical problem, make fiber ordered collection on circle palisade roller, form parallel nanofiber.But the method is only suitable for preparing two-dimensional structure, the fiber of collection is two-dimensional film shape, finite thickness.And in Application Areass such as organizational projects, have larger demand to the nano fiber scaffold possessing three-dimensional structure.
Prior art it is also proposed several device for the preparation of three-dimensional manometer fibrous framework, as patent CN201310026760.5, CN201110234233.4, but adopt needle-based electrospinning, efficiency is extremely low, limits throughput, just limits its extensive use, therefore prepares emphasis and development trend that three-dimensional manometer fibrous framework becomes research in a large number.
For above-mentioned technical problem, the invention provides a kind of bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds, to overcome above-mentioned defect.
Summary of the invention
In view of this, for solving the problem, the invention provides a kind of bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds, being difficult to collect three-dimensional manometer fiber and conventional electrostatic spinning preparing the inefficient technical problem of three-dimensional rack in order to solve in air bubble spinning process.
The technical solution adopted for the present invention to solve the technical problems is: a kind of bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds, comprise charging basket, one end extends into the first air blowing conduit in charging basket, extend into the electrode in charging basket, the air pressure feeding mechanism be connected with the other end of the first air blowing conduit, with the high-voltage generating device of Electrode connection and the open type rotating collecting device in order to receive jet relative with position, charging basket exit, the outside cover of described charging basket has inflator, the gas channel of ring-type is formed between described inflator and charging basket, described inflator forms the air outlet relative with open type rotating collecting device above charging basket outlet, also comprise one end and extend into the second air blowing conduit in inflator, the other end of the second air blowing conduit is connected with air pressure feeding mechanism, described open type rotating collecting device comprises rotating shaft, the transmission device of described axis of rotation can be driven and be located at the some support arms in described rotating shaft, support arm is with being formed just to the bowl-shape surface of revolution that described charging basket exports during axis of rotation, described open type rotating collecting device connects earth electrode ground connection, high-voltage generating device can form the electric field produced needed for jet between described electrode and open type rotating collecting device.
Be further used as the improvement of technical solution of the present invention, described support arm adopts the sheet metal or Metallic rod or plastic bar that bend, each described support arm to be evenly distributed in described rotating shaft and to form bowl-shape pawl structure, and described pawl structure is provided with the conductor material be connected with earth electrode at pivot place.
Be further used as the improvement of technical solution of the present invention, described transmission device comprises the motor that output is connected with described rotating shaft.
Be further used as the improvement of technical solution of the present invention, the top bore of described inflator draws in gradually and forms the air outlet of taper.
Be further used as the improvement of technical solution of the present invention, described first air blowing conduit is provided with the first accurate air pressure regulator, and described second air blowing conduit is provided with the second accurate air pressure regulator.
Be further used as the improvement of technical solution of the present invention, described high-voltage generating device comprises function signal generator and high-voltage amplifier.
Be further used as the improvement of technical solution of the present invention, the distance between described open type rotating collecting device and charging basket export can regulate.
Beneficial effect of the present invention: the present invention increases the inflator of a uncovered annulus column outside charging basket, and inflator top is provided with air outlet, and air outlet is towards open type rotating collecting device.Compared with common electrospinning, the present invention is under the acting in conjunction of high voltage electric field and high velocity air, and production efficiency greatly improves, be the 20-30 of traditional electrospinning doubly.And under the effect of high velocity air shearing, the starting resistor forming nanofiber significantly reduces.
Meanwhile, move into the thought in face according to line, innovatively use open type rotating collecting device, the nanofiber that bubble electrospinning obtains is carried out three-dimensional and collects.Compare the closed collector of conventional rollers or flat panel collector or other, can effectively make high velocity air pass through, and fiber be collected by rotating receiver interception, thus avoid producing recoil air-flow, affect fiber laydown.On the contrary, high velocity air also can play deposition guide effect, the Charge repulsion of residual charge to subsequent shot of deposit fiber can be overcome under airflow thrust effect, the nanofibres deposit that directed auxiliary air bubble spinning obtains, become and have compared with heavy thickness, the Three Dimensional Fiber Scaffolds with given shape, structure, solve three-dimensional fiber and collect difficult problem.The backing thickness obtained is large, structure is fluffy, is more conducive to Growth of Cells.
The present invention can prepare that material ranges is extensive, fibre diameter is minimum, string diameter is evenly distributed, structure is fluffy, thickness is very big, the nanofiber three-dimensional rack of excellent in mechanical performance, and process stabilizing, versatility is good, can be widely used in field of tissue engineering technology.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
With reference to Fig. 1, that show the concrete structure of the preferred embodiment of the present invention.To the design feature of the present invention each element be described in detail below, and if be described to direction (upper and lower, left and right, before and after) time, be with the structure shown in Fig. 1 for reference to describing, but actual user of the present invention is to being not limited thereto.
The invention provides a kind of bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds, comprise charging basket 1, one end extends into the first air blowing conduit 2 in charging basket 1, extend into the electrode 3 in charging basket 1, the air pressure feeding mechanism 4 be connected with the other end of the first air blowing conduit 2, with the high-voltage generating device 5 that electrode 3 connects and the open type rotating collecting device 6 in order to receive jet relative with position, charging basket exit, described first air blowing conduit 2 is provided with the first accurate air pressure regulator 21, the outside cover of described charging basket 1 has inflator 7, the gas channel of ring-type is formed between described inflator 7 and charging basket 1, the internal diameter of inflator 7 is unsuitable excessive, in order to avoid affect spinning effect, described inflator 7 forms the air outlet 71 relative with open type rotating collecting device 6 above charging basket outlet, described air outlet 71 draws in gradually at the top bore of inflator 7 and forms taper.The other end also comprising the second air blowing conduit 8, second air blowing conduit 8 that one end extends in inflator 7 is connected with air pressure feeding mechanism 4, and described second air blowing conduit 8 is provided with the second accurate air pressure regulator 81.Described open type rotating collecting device 6 comprises rotating shaft 61, the transmission device 62 that described rotating shaft 61 can be driven to rotate and the some support arms 63 be located in described rotating shaft 61, described transmission device 62 comprises the motor that output is connected with described rotating shaft 61, described support arm 63 adopts the sheet metal or Metallic rod or plastic bar that bend, each described support arm 63 to be evenly distributed in described rotating shaft 61 and to form bowl-shape pawl structure, described pawl structure is provided with the conductor material be connected with earth electrode at pivot place, can be formed just to the bowl-shape surface of revolution that described charging basket exports when support arm 63 rotates with rotating shaft 61, high-voltage generating device 5 can form the electric field produced needed for jet between described electrode 3 and open type rotating collecting device 6, distance between described open type rotating collecting device 6 and charging basket export can regulate.
The operation principle preparing the bubble electrostatic spinning apparatus of Three Dimensional Fiber Scaffolds disclosed by the invention is: polymer is in charging basket 1, air pressure feeding mechanism 4 gas without interruption, stretched in solution by the first air blowing conduit 2 and blow in the solution, at charging basket exit blowout bubble, the metal electrode that high-voltage generating device 5 connects extend in the solution in charging basket 1, open type rotating collecting device 6 connects earth electrode ground connection, open the switch of high-voltage generating device 5, an electric field produced needed for jet is defined between power electrode and open type rotating collecting device 6, under the acting in conjunction of the electric field needed for bottom part ring blowing high velocity air and generation jet, make bubbles burst, the droplet one by one produced forms tow jet under the acting in conjunction of high voltage electric field and high velocity air, jet moves through whip, stretch, evaporation, thinning process, on open type rotating collecting device 6, three-dimensional structure is deposited as under high velocity air is auxiliary.
The present invention increases the inflator 7 of a uncovered annulus column outside charging basket, and inflator 7 top is provided with air outlet 71, and air outlet 71 is towards open type rotating collecting device 6.Compared with common electrospinning, the present invention is under the acting in conjunction of high voltage electric field and high velocity air, and production efficiency greatly improves, be the 20-30 of traditional electrospinning doubly.And under the effect of high velocity air shearing, the starting resistor forming nanofiber significantly reduces.
Meanwhile, move into the thought in face according to line, innovatively use open type rotating collecting device 6, the nanofiber that bubble electrospinning obtains is carried out three-dimensional and collects.Compare the closed collector of conventional rollers or flat panel collector or other, can effectively make the high velocity air blown out by air outlet 71 pass through, and fiber is collected by rotating receiver interception, thus avoid producing recoil air-flow, affect fiber laydown.On the contrary, high velocity air also can play deposition guide effect, the Charge repulsion of residual charge to subsequent shot of deposit fiber can be overcome under airflow thrust effect, the nanofibres deposit that directed auxiliary air bubble spinning obtains, become and have compared with heavy thickness, the Three Dimensional Fiber Scaffolds with given shape, structure, solve three-dimensional fiber and collect difficult problem.The backing thickness obtained is large, structure is fluffy, is more conducive to Growth of Cells.
Described high-voltage generating device 5 comprises function signal generator and high-voltage amplifier, and high-voltage generating device 5 of the present invention can provide the voltage of random waveform, frequency, amplitude, can provide DC static spinning and exchange electrospinning two kinds of patterns.When the Three Dimensional Fiber Scaffolds thickness needed is relatively little, can adopt traditional high direct voltage electrostatic spinning pattern, operating environment is safer, and Fiber Uniformity is good; When the backing thickness needed requires very large, ac high-voltage pattern can be adopted, jet is under the acting in conjunction of alternating electric field, air-flow shearing and pulling force, splitting, stretching become electroneutral nanofiber, can more effectively avoid because deposit fiber causes the repulsive force of charge accumulated and like charges to affect follow-up fiber laydown, thus under the effect of high velocity air thrust, on rotating receiver, deposition becomes the great three-dimensional manometer fibrous framework of thickness.
The present invention can prepare that material ranges is extensive, fibre diameter is minimum, string diameter is evenly distributed, structure is fluffy, thickness is very big, the nanofiber three-dimensional rack of excellent in mechanical performance, and process stabilizing, versatility is good, can be widely used in field of tissue engineering technology.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (7)
1. prepare the bubble electrostatic spinning apparatus of Three Dimensional Fiber Scaffolds for one kind, it is characterized in that: comprise charging basket, one end extends into the first air blowing conduit in charging basket, extend into the electrode in charging basket, the air pressure feeding mechanism be connected with the other end of the first air blowing conduit, with the high-voltage generating device of Electrode connection and the open type rotating collecting device in order to receive jet relative with position, charging basket exit, the outside cover of described charging basket has inflator, the gas channel of ring-type is formed between described inflator and charging basket, described inflator forms the air outlet relative with open type rotating collecting device above charging basket outlet, also comprise one end and extend into the second air blowing conduit in inflator, the other end of the second air blowing conduit is connected with air pressure feeding mechanism, described open type rotating collecting device comprises rotating shaft, the transmission device of described axis of rotation can be driven and be located at the some support arms in described rotating shaft, support arm is with being formed just to the bowl-shape surface of revolution that described charging basket exports during axis of rotation, described open type rotating collecting device connects earth electrode ground connection, high-voltage generating device can form the electric field produced needed for jet between described electrode and open type rotating collecting device.
2. the bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds according to claim 1, it is characterized in that: described support arm adopts the sheet metal or Metallic rod or plastic bar that bend, each described support arm to be evenly distributed in described rotating shaft and to form bowl-shape pawl structure, and described pawl structure is provided with the conductor material be connected with earth electrode at pivot place.
3. the bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds according to claim 2, is characterized in that: described transmission device comprises the motor that output is connected with described rotating shaft.
4. the bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds according to claim 1,2 or 3, is characterized in that: the top bore of described inflator draws in gradually and forms the air outlet of taper.
5. the bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds according to claim 1,2 or 3, is characterized in that: described first air blowing conduit is provided with the first accurate air pressure regulator, and described second air blowing conduit is provided with the second accurate air pressure regulator.
6. the bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds according to claim 1,2 or 3, is characterized in that: described high-voltage generating device comprises function signal generator and high-voltage amplifier.
7. the bubble electrostatic spinning apparatus preparing Three Dimensional Fiber Scaffolds according to claim 1,2 or 3, is characterized in that: the distance between described open type rotating collecting device and charging basket export can regulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780442.7A CN105442064A (en) | 2015-11-13 | 2015-11-13 | Bubble electrostatic spinning device for preparing three-dimensional fiber support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510780442.7A CN105442064A (en) | 2015-11-13 | 2015-11-13 | Bubble electrostatic spinning device for preparing three-dimensional fiber support |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926058A (en) * | 2016-07-18 | 2016-09-07 | 苏州大学 | Funnel-type jet spinning device |
| CN106087078A (en) * | 2016-06-21 | 2016-11-09 | 华南理工大学 | A kind of receptor for electrostatic spinning, electrostatic spinning apparatus, there is the preparation method of the three-dimensional manometer fibre structure of multi-stage porous |
| CN106435773A (en) * | 2016-10-21 | 2017-02-22 | 上海工程技术大学 | Vortex type receiver for electrostatic spinning, and method for preparing nano-fibers |
| CN107475796A (en) * | 2016-06-08 | 2017-12-15 | 南京理工大学 | A kind of fluffy state magnetic Nano fiber and preparation method thereof |
| CN108456935A (en) * | 2018-05-31 | 2018-08-28 | 苏州大学 | Low pressure device for spinning and low pressure spinning process |
| CN109695064A (en) * | 2016-07-14 | 2019-04-30 | 郑州智高电子科技有限公司 | Throwing device and the nanofiber 3D printing device for using the throwing device |
| CN110117824A (en) * | 2019-05-23 | 2019-08-13 | 东华大学 | Continuous oriented nanofibers yarn electrostatic spinning apparatus and its application method |
| CN110205685A (en) * | 2019-05-23 | 2019-09-06 | 东华大学 | Spinning self-regulation electrostatic spinning apparatus and its application method |
| CN110512355A (en) * | 2019-09-09 | 2019-11-29 | 南通纺织丝绸产业技术研究院 | The method for preparing three-dimensional structure fiber |
| CN111172600A (en) * | 2020-01-14 | 2020-05-19 | 中原工学院 | Bubble atomization electrostatic spinning nozzle, electrostatic spinning device and application thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107475796A (en) * | 2016-06-08 | 2017-12-15 | 南京理工大学 | A kind of fluffy state magnetic Nano fiber and preparation method thereof |
| CN106087078A (en) * | 2016-06-21 | 2016-11-09 | 华南理工大学 | A kind of receptor for electrostatic spinning, electrostatic spinning apparatus, there is the preparation method of the three-dimensional manometer fibre structure of multi-stage porous |
| CN109695064A (en) * | 2016-07-14 | 2019-04-30 | 郑州智高电子科技有限公司 | Throwing device and the nanofiber 3D printing device for using the throwing device |
| CN105926058A (en) * | 2016-07-18 | 2016-09-07 | 苏州大学 | Funnel-type jet spinning device |
| CN106435773A (en) * | 2016-10-21 | 2017-02-22 | 上海工程技术大学 | Vortex type receiver for electrostatic spinning, and method for preparing nano-fibers |
| CN106435773B (en) * | 2016-10-21 | 2018-08-24 | 上海工程技术大学 | A method of it being used for the eddy current type receiver of electrostatic spinning and prepares nanofiber |
| CN108456935A (en) * | 2018-05-31 | 2018-08-28 | 苏州大学 | Low pressure device for spinning and low pressure spinning process |
| CN110117824A (en) * | 2019-05-23 | 2019-08-13 | 东华大学 | Continuous oriented nanofibers yarn electrostatic spinning apparatus and its application method |
| CN110205685A (en) * | 2019-05-23 | 2019-09-06 | 东华大学 | Spinning self-regulation electrostatic spinning apparatus and its application method |
| CN110512355A (en) * | 2019-09-09 | 2019-11-29 | 南通纺织丝绸产业技术研究院 | The method for preparing three-dimensional structure fiber |
| CN111172600A (en) * | 2020-01-14 | 2020-05-19 | 中原工学院 | Bubble atomization electrostatic spinning nozzle, electrostatic spinning device and application thereof |
| CN111172600B (en) * | 2020-01-14 | 2021-10-26 | 中原工学院 | Bubble atomization electrostatic spinning nozzle, electrostatic spinning device and application thereof |
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