CN106367818B - A method of for electrostatic spinning dot matrix receiver and prepare nanofiber - Google Patents
A method of for electrostatic spinning dot matrix receiver and prepare nanofiber Download PDFInfo
- Publication number
- CN106367818B CN106367818B CN201610920429.1A CN201610920429A CN106367818B CN 106367818 B CN106367818 B CN 106367818B CN 201610920429 A CN201610920429 A CN 201610920429A CN 106367818 B CN106367818 B CN 106367818B
- Authority
- CN
- China
- Prior art keywords
- dot matrix
- matrix receiver
- nanofiber
- needle
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The present invention relates to electrostatic spinning receivers, belong to electrostatic spinning field.A kind of dot matrix receiver for electrostatic spinning, the dot matrix receiver includes the reception needle perpendicular to several metal materials on insulating base, realize that each reception needle potential is equal by conducting wire connection in all reception needle bottoms, the on-fixed end for receiving needle is opposite with wire device, so that the electrostatic field between wire device and dot matrix receiver splits into multiple unit electrostatic fields in one end close to dot matrix receiver.The nanofiber that electrostatic spinning is formed respectively is received in dot matrix receiver by each unit electrostatic field and is deposited respectively on needle, and then twisting forms nanofiber aggregate.The nanofiber for being formed by nanofiber aggregate cross section is divided into multiply nanofiber, so that nanofiber aggregate is more orderly, per share internal nanofiber is tightly coupled to each other, each stock nanofiber, which is mutually twisted, combines closely, the nanofiber aggregate structure more dense regular of formation, performance are more stable.
Description
Technical field
The present invention relates to the receivers more particularly to a kind of dot matrix receiver for electrostatic spinning for electrostatic spinning
And the method for preparing nanofiber.
Background technique
Electrostatic spinning is as a kind of nanofiber manufacturing technology, and mainly using under high voltage electric field, drop becomes taper, shape
At taylor cone, then extend under the action of electrostatic force, forms nano level superfine fiber.Based on grinding for electrostatic spinning at present
Study carefully, it is believed that the essence of electrostatic spinning is quick generation injection stream, therefore a series of researchs for electrostatic spinning now are all main
The property for concentrating on the jet stream ejected from taylor cone is embodied in the research of the injection syringe needle for solution or melt, such as
The injection syringe needle of various shape or pattern also or the spraying canister of needle-less or injection apparatus etc. is desirably to obtain of different shapes
Taylor cone.Either research industrialized for electrostatic spinning technique, such as the collection side for the nano level superfine fiber of generation
Method etc..In United States Patent (USP) US6106913A, superfine fibre is directed on long filament using flow deposition method, winds shape through traction
At high-tenacity nanofiber covering yarn；Or the dynamic rotary used in Chinese patent CN201410280734.X is tubaeform
Superfine fibre is directed to the collection method on long filament and twisted by collector.
It is preceding in the research of these production methods and Collection utilization method based on electrostatic spinning generation nanometer superfine fibre
What person mainly studied is that taylor cone of different shapes is generated using different injector heads or nozzle, and use is collecting board or connects
Plate is received to be collected the fiber of generation；Although the latter is to collector, receiver is improved in other words, and collector is just
Not as the component part of high voltage electric field, but only the superfine fibre generated in high voltage electric field is carried out as collection device
It collects.
And in the latter, simple board-like or tubaeform reception device is mostly used to be collected nanofiber, using this
Kind collection mode makes the unordered accumulation of all nanofibers be one layer, is bonded to each other not close, only tightens winding by axial tension, tie
Structure intensity is small, and nanofiber axial tension utilization rate is not high.
Summary of the invention
The invention proposes a kind of dot matrix receiver for electrostatic spinning and the methods for preparing nanofiber, pass through a little
High voltage electric field is formed between configuration receiver and wire device, high-voltage electrostatic field is split into one end close to dot matrix receiver
Multiple unit electrostatic fields, the nanofiber that induction electrostatic spinning is formed is deposited in each unit electrostatic field share split, to prepare
The nanofiber aggregate of multiply structure.
Technical solution
A kind of dot matrix receiver for electrostatic spinning, it is characterised in that: the dot matrix receiver includes vertically setting
The reception needle of several metal materials on insulating base is set, each reception needle is realized by conducting wire connection in all reception needle bottoms
Potential is equal, and the on-fixed end for receiving needle is opposite with wire device, so as to be formed between wire device and dot matrix receiver quiet
Electric field, the electrostatic field split into multiple unit electrostatic fields, each unit electrostatic field and one in one end close to dot matrix receiver
A reception needle is corresponding.
Further, height of each reception needle of the dot matrix receiver on insulating base is equal.
Further, the insulating base of the dot matrix receiver is provided centrally with through-hole.
Further, the another side of the dot matrix receiver insulating base is provided with transmission interface, and the transmission interface is
Tubular is equipped with fixed screw for dot matrix receiver and transmission in transmission interface sides for connecting rotary electric machine output shaft
Interface is fixedly connected, and is provided with the transmission interface through-hole being connected with the through-hole at insulating base center in transmission interface bottom.
Further, the dot matrix receiver insulating base is rounded or regular polygon, reception needle are uniformly distributed in insulation
The side of bottom plate.
Further, the reception needle is perpendicularly fixed at insulating base side as a plug, and replacement is different according to production needs
The reception needle of length.
A method of nanofiber being prepared using dot matrix receiver as described above, it is characterised in that: the dot matrix
The on-fixed end that needle is received in formula receiver is opposite with wire device, forms high pressure between wire device and dot matrix receiver
Electrostatic field, high-voltage electrostatic field splits into multiple unit electrostatic fields in one end close to dot matrix receiver, in high-voltage electrostatic field
Under effect, charged drop, which forms taylor cone and simultaneously generates whip, moves effect, forms nanofiber, and then be divided into unit electrostatic field more
The nanofiber of stock arrangement is attached to each on-fixed end for receiving needle.
A method of nanofiber aggregate being prepared using dot matrix receiver as described above, it is characterised in that: institute
The on-fixed end for stating reception needle in dot matrix receiver is opposite with wire device, the shape between wire device and dot matrix receiver
At high-voltage electrostatic field, high-voltage electrostatic field splits into multiple unit electrostatic fields in one end close to dot matrix receiver, quiet in high pressure
Under the action of electric field, charged drop, which forms taylor cone and simultaneously generates whip, moves effect, and then forms nanofiber and in unit electrostatic field
It is divided into multiply under effect, the nanofiber share split of formation is deposited on the reception needle of the dot matrix receiver opposite with wire device
On, connection central axis rotation of the dot matrix receiver between wire device and dot matrix receiver, and then multiply is received
Rice fibre bundle winds to form nanofiber aggregate.
Further, the wire device uses dotted wire device, including two spinning heads to be symmetricly set on dot matrix and connect
Receive device in front of two sides, the wire device go out wire hole use single hole or MULTILAYER COMPOSITE hole, the MULTILAYER COMPOSITE hole it is transversal
Face is the shape of concentric shape or bias.
Further, on the central axis of dot matrix receiver be arranged a traction long filament, nanofiber electrostatic field force,
It draws and winds to form nanofiber aggregate in traction filament surface under the tractive force and dot matrix receiver active force of long filament, so
Rear haulage long filament is wound device drive, and the nanofiber aggregate formed in traction filament surface is continuously collected.
Beneficial effect
Dot matrix receiver provided by the invention, cooperation wire device forms high-voltage electrostatic field, and high-voltage electrostatic field is made to exist
Taylor cone-jet area is divided into multiple unit electrostatic fields, in charged drop from taylor cone to the nanometer for moving formation in the electric field
Fiber respectively receives share split on needle in dot matrix receiver and deposits；The crosscutting of the nanofiber aggregate formed after collection is twisted in cooperation
Face can form the nanofiber aggregate of multiply structure, so that nanofiber aggregate is orderly aligned, and non-due to receiving needle
Fixing end charge is more concentrated, and reception is stronger for nanofiber pulling force, and nanofiber is close each other inside per share nanofiber
Arrangement combines after rotation twisting, and the nanofiber aggregate compact structure of formation is orderly, and performance is stablized.
Detailed description of the invention
Fig. 1 is that wire device and dot matrix receiver of the invention form the schematic diagram that point-to-area multiply is distributed electrostatic field；
Fig. 2 is the schematic diagram for continuously preparing nanofiber aggregate in the present invention using traction long filament；
Fig. 3 is dot matrix receiver schematic diagram；
Wherein: 1- winding device, 2- wire device, 3- electrostatic spinning region, 4- spinning head frame, 5- dot matrix receiver,
6- rotary electric machine, 7- draw long filament, 8- guide frame, and 9- receives needle, 10- fixed screw, and 11- is driven interface, 12- through-hole, 13- insulation
Bottom plate.
Specific embodiment
Combined with specific embodiments below and attached drawing, the present invention is further explained.
Electrostatic spinning technique is the electrohydraulic motion based on taylor cone in electrostatic field, and stretching forms nanofiber, is formed
Nanofiber form nanofiber aggregate by collection.The research of electrostatic spinning is concentrated on for solution or melted at present
In the research of the injection apparatus of the body either research of fiber collecting device, but the Nanowire for preparing different structure requirement
Aggregate is tieed up, currently still without what method.
The invention proposes using receiver as an electrode for being used for electrostatic spinning electrostatic field, then connect by dot matrix
Device is received, is allowed to form the electrostatic field of multiply structure between wire device.Thus during charged drop forms taylor cone, and
In taylor cone at more than critical charge density, taylor cone becomes unstable later, jet stream injection and jet stream are formed in the electric field
Accelerate, diameter becomes smaller, and relaxation is formed during this range of motion of superfine fibre, influences charged drop, forms share split campaign
With the nanofiber of stretching, and dot matrix receiver makes nanometer superfine fibre according to the share split structure of electric field as collection device
Ordered arrangement is carried out, then share split receives on each reception needle, the nanofiber aggregate of formation share split structure, and due to
It receives needle on-fixed end charge and more concentrates stronger to nanofiber pulling force, per share internal nanofiber close-packed arrays each other pass through
It is combined after crossing rotation twisting, the nanofiber aggregate compact structure of formation is orderly, and performance is stablized.
It, as shown in figure 3, should the present embodiment provides a kind of dot matrix receiver in order to realize the electrostatic field distribution of share split structure
Dot matrix receiver includes several reception needles 9 being perpendicularly fixed on insulating base, and the insulating base is for circle or just
Polygon, the reception needle on insulating base are evenly distributed on insulating base side, and each reception needle 9 is by being arranged in insulating base
Internal conducting wire connection, so that each reception needle potential is equal.And needle is received to be vertically fixed on insulating base as a plug,
The reception needle 9 of different length size can be easily replaced according to production needs.
Dot matrix receiver in order to facilitate the installation of, the insulating base other side is provided with transmission interface in dot matrix receiver
11, transmission interface 11 is tubular, and transmission interface side wall is provided with through-hole 12, realizes dot matrix by the fixed screw 10 on through-hole 12
The connection of receiver 5.
It is provided centrally with through-hole 12 in transmission interface bottom and insulating base, for making to draw long filament 7 across transmission interface
11, the through-hole at insulating base center is then passed through, nanofiber aggregate is used to prepare.
Meaning as shown in Fig. 1, when wire device uses dotted wire device 2, dot matrix receiver is connect using dot matrix
When receiving device progress electrospun nanofibers aggregate, it is opposite with wire device to receive the unlocked end of needle.In wire device 2
The electrostatic field formed between dot matrix receiver 5 splits into multiple small unit electrostatic in one end close to dot matrix receiver
, the corresponding piece-root grafting narrowing of each unit electrostatic field.Under the action of high-voltage electrostatic field, charged drop forms taylor cone and generates
Whip moves effect, and then forms nanofiber and be divided into multiply under unit electrostatic field, the nanofiber share split deposition of formation
On the reception needle of the dot matrix receiver opposite with wire device, the dot matrix receiver connects along wire device and dot matrix
The connection central axis rotation between device is received, and then multiply bundles of nanofibers winds to form nanofiber aggregate.It is formed by
The nanofiber in nanofiber aggregate cross section is divided into multiply structure, so that nanofiber aggregate is more orderly, and by
More concentrate stronger to nanofiber pulling force in receiving needle on-fixed end charge, the nanofiber inside per share nanofiber is each other
It combines closely, each stock nanofiber, which is mutually twisted, combines closely, the nanofiber aggregate structure more dense regular of formation, property
It can be more stable.
As shown in Fig. 2, a traction long filament 7 can also be set on the central axis of dot matrix receiver 5, and in
Mandrel line is that the dot matrix receiver cooperation of rotary shaft rotation receives nanofiber, and nanofiber one end, which is deposited on, to be received on needle,
The other end is deposited on traction long filament 7, forms the nanofiber wire cone of multiply structure.Nanowire in nanofiber wire cone
Tie up electrostatic field force, draw long filament 75 active force of tractive force and dot matrix receiver under traction 7 surface of long filament formed nanometer
Fiber assembly, traction 7 one end of long filament connect winding device 1, realize and continuously prepare nanofiber aggregate.
The wire hole out of wire device can use single hole or MULTILAYER COMPOSITE hole, mold Single Fiber or composite fibre,
The cross section in MULTILAYER COMPOSITE hole can be the shape of concentric shape or bias, to form taylor cone time control in charged drop
The layer structure of the shape of nanofiber processed and every fiber.
Claims (6)
1. a kind of dot matrix receiver for electrostatic spinning, it is characterised in that: the dot matrix receiver includes being vertically arranged
Each reception needle electricity is realized by conducting wire connection in the reception needle of several metal materials on insulating base, all reception needle bottoms
Gesture is equal, and the on-fixed end for receiving needle is opposite with wire device, so as to form electrostatic between wire device and dot matrix receiver
, the electrostatic field splits into multiple unit electrostatic fields, each unit electrostatic field and one in one end close to dot matrix receiver
A reception needle is corresponding, and the insulating base of the dot matrix receiver is provided centrally with through-hole, the dot matrix receiver insulation
The another side of bottom plate is provided with transmission interface, and the transmission interface is that tubular connects for connecting rotary electric machine output shaft in transmission
Mouthful side be equipped with fixed screw for dot matrix receiver be driven being fixedly connected for interface, be provided in transmission interface bottom and absolutely
The connected transmission interface through-hole of the through-hole at edge bottom plate center, traction long filament pass through transmission interface, then pass through insulating base center
Through-hole, be used to prepare close orderly nanofiber aggregate.
2. being used for the dot matrix receiver of electrostatic spinning as described in claim 1, it is characterised in that: the dot matrix receiver
Height of each reception needle on insulating base it is equal.
3. being used for the dot matrix receiver of electrostatic spinning as claimed in claim 1 or 2, it is characterised in that: the dot matrix connects
Receipts device insulating base is rounded or regular polygon, reception needle are uniformly distributed in the side of insulating base.
4. a kind of method for preparing nanofiber aggregate using dot matrix receiver as described in claim 1, feature exist
In: the on-fixed end that needle is received in the dot matrix receiver is opposite with wire device, in wire device and dot matrix receiver
Between form high-voltage electrostatic field, high-voltage electrostatic field splits into multiple unit electrostatic fields in one end close to dot matrix receiver,
Under the action of high-voltage electrostatic field, charged drop, which forms taylor cone and simultaneously generates whip, moves effect, and then forms nanofiber and in unit
It is divided into multiply under electrostatic field, the nanofiber share split of formation is deposited on connecing for the dot matrix receiver opposite with wire device
In narrowing, connection central axis rotation of the dot matrix receiver between wire device and dot matrix receiver, Jin Erduo
Stock bundles of nanofibers winds to form close orderly nanofiber aggregate.
5. the method for preparing nanofiber aggregate using dot matrix receiver as claimed in claim 4, it is characterised in that: institute
It states wire device and two sides in front of dot matrix receiver is symmetricly set on using dotted wire device, including two spinning heads, it is described
Wire device go out wire hole using the cross section in the single hole perhaps MULTILAYER COMPOSITE hole MULTILAYER COMPOSITE hole be concentric shape or
Eccentric shape.
6. the method for preparing nanofiber aggregate using dot matrix receiver as claimed in claim 4, it is characterised in that:
A piece traction long filament is set on the central axis of dot matrix receiver, and nanofiber is in electrostatic field force, the tractive force of traction long filament
And wind to form nanofiber aggregate in traction filament surface under dot matrix receiver active force, it then draws long filament and is wound
Device drives, and the nanofiber aggregate formed in traction filament surface is continuously collected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920429.1A CN106367818B (en) | 2016-10-21 | 2016-10-21 | A method of for electrostatic spinning dot matrix receiver and prepare nanofiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920429.1A CN106367818B (en) | 2016-10-21 | 2016-10-21 | A method of for electrostatic spinning dot matrix receiver and prepare nanofiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106367818A CN106367818A (en) | 2017-02-01 |
| CN106367818B true CN106367818B (en) | 2019-03-15 |
Family
ID=57896600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610920429.1A Active CN106367818B (en) | 2016-10-21 | 2016-10-21 | A method of for electrostatic spinning dot matrix receiver and prepare nanofiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106367818B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108796632B (en) * | 2018-06-27 | 2021-04-09 | 南通纺织丝绸产业技术研究院 | Electrostatic spinning process for producing ordered fibers |
| CN113308768B (en) * | 2021-06-22 | 2022-06-21 | 青岛科技大学 | Electrostatic spinning superfine fiber twisting device and method |
| CN114561709B (en) * | 2021-11-19 | 2023-02-07 | 东华大学 | Electrostatic electret receiving device for preparing ceramic fiber aerogel |
| CN114717669B (en) * | 2022-03-30 | 2023-05-26 | 南通纺织丝绸产业技术研究院 | Nanofiber yarn and continuous yarn forming method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100513300C (en) * | 2006-11-28 | 2009-07-15 | 厦门大学 | Micro nano structure direct-writing device |
| CN101274844A (en) * | 2008-05-16 | 2008-10-01 | 湘潭大学 | Preparation for ferroelectric-ferromagnetic composite nano-fiber |
| US8551390B2 (en) * | 2010-04-12 | 2013-10-08 | The UAB Foundation | Electrospinning apparatus, methods of use, and uncompressed fibrous mesh |
| CN102019240B (en) * | 2010-12-29 | 2012-05-30 | 厦门大学 | Electrospinning direct-writing nozzle capable of controlling starting and stopping |
| CN102206878B (en) * | 2011-05-24 | 2012-08-15 | 厦门大学 | Device for electrospinning three-dimensional controlled structure of nanofibers |
| CN102534822B (en) * | 2012-02-18 | 2015-07-01 | 上海工程技术大学 | Device and method for preparing polysulfonamide nanometer fiber nets by means of airflow-electrostatic combination |
| CN206127493U (en) * | 2016-10-21 | 2017-04-26 | 上海工程技术大学 | A dot matrix receiver for electrostatic spinning |
-
2016
- 2016-10-21 CN CN201610920429.1A patent/CN106367818B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106367818A (en) | 2017-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106367818B (en) | A method of for electrostatic spinning dot matrix receiver and prepare nanofiber | |
| CN102703998B (en) | Jet yarn spinning device for electrostatic spun nano fiber and preparing method | |
| CN106868675B (en) | A kind of continuous preparation device of nanofiber covering yarn | |
| CN106435773B (en) | A method of it being used for the eddy current type receiver of electrostatic spinning and prepares nanofiber | |
| CN103266365A (en) | Device and method for twisting electrostatic spinning nanofiber into yarn in jetting mode | |
| CN204738069U (en) | Change type static spins nanofiber yarn preparation facilities | |
| CN102433596B (en) | Gathering unit and method for Taylor cone shower nozzle electrostatic spinning-oriented nanofiber | |
| CN104695066A (en) | Swiveling electrostatic spinning nanofiber yarn preparing device and nanofiber yarn preparing method | |
| CN108796682A (en) | A kind of device and Yarn spinning method of continuous high-efficient enhancing nanofiber resultant yarn | |
| CN205347635U (en) | Supplementary reciprocating type electrostatic spinning device of induction type screw thread guide arm | |
| CN103290493A (en) | Electrostatic spinning device and method for mass nanometer/micrometer fibers | |
| CN105887223A (en) | High-speed centrifugal spinning device for producing nanofiber yarn in one-step shaping and production method of nanofiber yarn | |
| CN206127493U (en) | A dot matrix receiver for electrostatic spinning | |
| CN107557943A (en) | Ring spray electrostatic spinning machine and purposes | |
| CN103103642A (en) | Device and method for orientation electrostatic spinning nanometer fiber vortex spun yarn | |
| CN106283217B (en) | A kind of layer-stepping receiver for electrostatic spinning and the method for preparing nanofiber | |
| CN103243397A (en) | Multiple-electric-field coupling strong-force-drafting electrostatic spinning device and method | |
| CN206127491U (en) | A helix formula receiver for electrostatic spinning | |
| CN203112981U (en) | Continuous preparation device of electrostatic orientation spinning nano fiber yarns | |
| CN206127490U (en) | A eddy current type receiver for electrostatic spinning | |
| CN110106564B (en) | Combined electrostatic spinning device for oriented nanofiber yarn and using method thereof | |
| CN110607566B (en) | Second-order differential melt electrostatic spinning device | |
| CN102191573A (en) | Mass production nanofiber electrospinning device | |
| CN117144494A (en) | Induction electrode-assisted multi-needle liquid jet spinning device, method and application | |
| CN106283218B (en) | Spiral form receiver and the method for preparing nanofiber for electrostatic spinning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |