CN108893791A - A kind of nanofiber preparation system that centrifugation electrostatic spinning combines - Google Patents

A kind of nanofiber preparation system that centrifugation electrostatic spinning combines Download PDF

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Publication number
CN108893791A
CN108893791A CN201810674848.0A CN201810674848A CN108893791A CN 108893791 A CN108893791 A CN 108893791A CN 201810674848 A CN201810674848 A CN 201810674848A CN 108893791 A CN108893791 A CN 108893791A
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China
Prior art keywords
outer shell
rotary shaft
stationary plate
preparation system
electrostatic spinning
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CN201810674848.0A
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Chinese (zh)
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CN108893791B (en
Inventor
张智明
赖梓龙
陈博雅
徐巧
梅顺齐
姬巧玲
肖人彬
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Hubei Elong Industry And Trade Co ltd
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Wuhan Textile University
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/18Formation of filaments, threads, or the like by means of rotating spinnerets
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/0007Electro-spinning
    • D01D5/0061Electro-spinning characterised by the electro-spinning apparatus
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/0007Electro-spinning
    • D01D5/0061Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0069Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/0007Electro-spinning
    • D01D5/0061Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0076Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/0007Electro-spinning
    • D01D5/0061Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0092Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

A kind of nanofiber preparation system that centrifugation electrostatic spinning combines, including charge rotor, rotary shaft, upper stationary plate, lower stationary plate, left sliding riser, right sliding riser and collection device, charge rotor includes outer shell, outer shell cavity and feeding chamber, outer shell is located in the centre bore in stationary plate, the bottom of outer shell cavity is connected through lower shaft seat with the top of rotary shaft, on, the top of sliding annular groove and sliding riser in lower stationary plate, bottom end is slidably matched, logical nozzle aperture is offered in the middle part of sliding riser, logical nozzle aperture internal cutting ferrule has nozzle, the lateral wall of stationary plate is connected with positive pole, power cathode is connected through conductive plate with collection device.The design can not only carry out centrifugal spinning and electrostatic spinning simultaneously, and production efficiency is higher, and heating effect is preferable, controllability is stronger.

Description

A kind of nanofiber preparation system that centrifugation electrostatic spinning combines
Technical field
The present invention relates to a kind of nanofiber production field more particularly to a kind of Nanowires that centrifugation electrostatic spinning combines Preparation system is tieed up, it is particularly applicable to improve production efficiency.
Background technique
Nanofiber refers to diameter in the superfine fibre of dozens to a few hundred nanometers, it has very bigger serface, ultra-fine The unique advantage that other fibers such as porosity, good mechanical property cannot possess.In recent years, nanofiber is widely used in spinning Knit material, tissue engineering bracket, drug delivery, filter medium, artificial blood vessel, biochip, nano-sensor, optics, compound The fields such as material.
The preparation of nanofiber attracts the concern of domestic and international experts and scholars.Up to the present, the side of nanofiber is prepared There are many kinds, such as pulling method, microphase-separated, templated synthesis, self assembly for method, but production efficiency is all lower.
The information for disclosing the background technology part is merely intended to increase the understanding to the general background of present patent application, without It should be considered as recognizing or implying in any form that the information constitutes existing skill already known to those of ordinary skill in the art Art.
Summary of the invention
The purpose of the present invention is overcome the problems, such as the lower defect of production efficiency existing in the prior art and, a kind of life is provided Produce the nanofiber preparation system that the higher centrifugation electrostatic spinning of efficiency combines.
In order to achieve the above object, the technical solution of the invention is as follows:A kind of Nanowire that centrifugation electrostatic spinning combines Tie up preparation system, including charge rotor, rotary shaft and collection device, the charge rotor communicate with nozzle, charge rotor it is interior Portion is loaded with polymer, and the bottom of charge rotor is connected with rotary shaft, and the surrounding of charge rotor is provided with collection device;
The nanofiber preparation system further includes that upper stationary plate, lower stationary plate, left sliding riser and right sliding are perpendicular Plate, fixed sliding plate, lower stationary plate are parallel to each other up and down, open respectively in upper stationary plate, the disk of lower stationary plate Equipped with upper sliding annular groove, lower slider annular groove, upper stationary plate, lower stationary plate middle part offer respectively centre bore, it is lower in Heart hole, the left sliding riser, right sliding riser or so are parallel to each other, and the top and bottom ends of left sliding riser are respectively along upper slip ring Slot, lower slider annular groove are slidably matched, and the top and bottom ends of right sliding riser are carried out along upper sliding annular groove, lower slider annular groove respectively It is slidably matched, and the middle part of left sliding riser, right sliding riser offers logical nozzle aperture;The top and bottom ends of the left sliding riser Respectively with it is upper sliding annular groove, lower slider annular groove cell wall be in contact, it is right sliding riser top and bottom ends respectively with upper sliding annular groove, The cell wall of lower slider annular groove is in contact, the lateral wall of upper stationary plate or lower stationary plate through upper conductor wire and external power supply just Pole carries out circuit connection, and the cathode of external power supply carries out circuit connection, the bottom surface of conductive plate and base through lower conductor wire and conductive plate The top surface of seat is connected, and is equipped with collection device on the top surface of conductive plate;
The charge rotor includes outer shell, outer shell cavity and feeding chamber, and the outer shell is through upper centre bore, lower center In hole, the outer shell cavity is sandwiched between outer shell, feeding chamber, and outer shell cavity, the top of feeding chamber and the progress of the same upper cover base are close Envelope cooperation, the bottom of outer shell cavity are provided with lower shaft seat, and the top of the lower shaft seat rotary shaft internal with it is inserted into is connected, and rotate The bottom end of axis successively after drawing-in outer shell, conductive plate, pedestal under extend to the underface of pedestal;The charge rotor and rotary shaft Junction and charge rotor, upper cover base be all located at the inside of collection device;The rotary shaft is hollow structure, rotary shaft Seat air flue of the axis inner cavity through being opened up in lower shaft seat after communicated with outer shell cavity;One end of the nozzle is communicated with feeding chamber, nozzle The other end successively communicated with exterior space after drawing-in outer shell cavity, logical nozzle aperture, logical nozzle aperture is fastened on the side wall of nozzle, nozzle Lateral wall is in contact with the inner sidewall of logical nozzle aperture.
The seat air flue includes left branch airway and right branch airway, the inner end inner cavity the Jun Yuzhou phase of left branch airway, right branch airway It is logical, left branch airway, right branch airway outer end communicated with outer shell cavity, and left branch airway, right branch airway are located at the two sides of rotary shaft.
The outer wall of the rotary shaft is passed through along the inner wall of axis movement slots, and the outer wall of axis movement slots is connected with pedestal; The position of nearly rotary shaft is provided with insulation ring set in the conductive plate, and the inside of rotary shaft drawing-in insulation ring set and mistake.
Position on the bottom of the outer shell positioned at rotary shaft two sides is respectively connected with the top of a limit spring, limits The bottom end of position spring is connected with limiting buffer block, and limiting buffer block is wider than limit spring setting, and limiting buffer block is higher than base Seat setting.
The nozzle includes sequentially connected to collar extension, mouth inner cavity and to internal orifice, and mouth inner cavity is the frustum of a cone of outer narrow inner width Structure is less than the diameter to internal orifice to the diameter of collar extension, the exterior space of nozzle successively through to collar extension, mouth inner cavity, to internal orifice after It is communicated with feeding chamber.
Described to communicate through interior flaring with feeding chamber to internal orifice, the diameter of interior flaring is greater than the diameter to internal orifice.
The collection device includes the consistent collection column of more root knot structures, and all collection columns are all in using charge rotor as the center of circle The same circle is uniformly arranged, and there are intercolumniation gaps between adjacent collection column.
The collection column is cylindrical body, cuboid, cone, ellipsoid, sphere or spindle structure.
Heated seats are embedded in the middle part of the upper cover base, the inside of the heated seats is provided through adjustable pipe, adjustable pipe Top is higher than the top of heated seats, after the bottom end drawing-in heated seats of adjustable pipe under be extended down to the inside of feeding chamber, and adjustable pipe along plus The inside of hot seat slides up and down cooperation.
Discharge port is offered on the side wall of the adjustable pipe, the tube cavity opened up inside the discharge port and adjustable pipe communicates, And the length of discharge port is less than the length of heated seats.
Compared with prior art, beneficial effects of the present invention are:
1, in a kind of nanofiber preparation system that centrifugation electrostatic spinning combines of the present invention, the feeding chamber in charge rotor It is inside provided with polymer, rotary shaft drives charge rotor to rotate, the polymer after melting is being sprayed through lower shaft seat, outer shell cavity Taylor cone is formed at mouth, to carry out centrifugal spinning, while centrifugal spinning, the lateral wall of nozzle is successively through logical nozzle aperture, cunning Circuit connection is carried out after dynamic riser, stationary plate with positive pole, power cathode carries out circuit with collection device after conductive plate Connection, so that electromagnetic field is formed between nozzle, collection device, so that electrostatic spinning is carried out, at this point, centrifugal spinning, Static Spinning Silk combines, and can not only greatly improve the production efficiency of nanofiber, and can expand application range.Therefore, this hair Bright production efficiency is higher, and application range is wider.
2, in a kind of nanofiber preparation system that centrifugation electrostatic spinning combines of the present invention, charge rotor includes shell Layer, outer shell cavity and feeding chamber are provided with polymer in feeding chamber, and the bottom of outer shell cavity is provided with lower shaft seat, the lower shaft seat and insert The top for entering its internal rotary shaft is connected, and the axis inner cavity of rotary shaft is communicated through seat air flue with outer shell cavity, in use, axis inner cavity Hot-air is passed through into outer shell cavity to heat to the polymer in feeding chamber, becomes molten condition, to be melted There is certain surface tension and molecular entanglement to be in a zone of reasonableness for liquid, melt liquid, meanwhile, rotary shaft drives charge Rotor makees revolution at a high speed movement, and the melt liquid of polymer forms taylor cone at nozzle, when centrifugal force is greater than glutinous elastic force and table When the tension of face, melt liquid is stretched to form nanofiber, and penetrates and collected on collection device with facilitating, in addition, adjusting spray The nanofiber of the available different shape of the distance between mouth and collection device, can also be to nozzle geometrical characteristic parameter, stress Situation and collection device are designed in the form of when determining that nanofiber is collected, to realize that nanometer is spinned.Therefore, this hair Bright heating effect is preferable, and production efficiency is higher.
3, in a kind of nanofiber preparation system that centrifugation electrostatic spinning combines of the present invention, feeding chamber is internally provided with Polymer, the source of nanofiber is the melt liquid of polymer, rather than just solution, it is seen then that the design not only can be used Common solution prepares nanofiber, and the melts such as ceramics, metal material or polymer production nanofiber also can be used, expand significantly The big scope of application.Therefore, adaptation range of the invention is wider, and application value is higher.
4, in a kind of nanofiber preparation system that centrifugation electrostatic spinning combines of the present invention, outer shell cavity is wrapped in feeding chamber Outside, feeding chamber is heated from surrounding, heat it is more uniform, meanwhile, axis inner cavity is outside through left branch airway, right branch airway Be passed through hot-air in shell chamber, left branch airway, right branch airway are located at the two sides of rotary shaft, the hot-air being passed through in outer shell cavity with by The mode gradually spread is flowed, rather than is sprayed into against outer shell cavity, so that it is guaranteed that the uniformity of shell cavity temperature, and then really The uniformity that feeding chamber is heated is protected, conducive to the nanofiber for obtaining better quality.Therefore, not only heating effect is more by the present invention Uniformly, and product quality is higher.
5, in a kind of nanofiber preparation system that centrifugation electrostatic spinning combines of the present invention, rotary shaft can be along axis movement slots It rotates or slides up and down, so that the up and down motion of rotary type is realized, to adjust the track that nanofiber ejects, to obtain More polymorphic nanofiber, to realize that nanometer is spinned, in addition, the bottom of outer shell is connected through limit spring with limiting buffer block Connect, limiting buffer block higher than pedestal be arranged, the design can the downlink to rotary shaft carry out limit prompting, avoid charge rotor and base Seat collides.Therefore, not only controllability is stronger by the present invention, but also safety is higher.
6, in a kind of nanofiber preparation system that centrifugation electrostatic spinning combines of the present invention, collection device includes more root knots The consistent collection column of structure, all collection columns are all uniformly arranged using charge rotor as the center of circle in the same circle, adjacent collection There are intercolumniation gaps between column, in use, every collection column can collect nanofiber, collection efficiency is higher, and whenever receipts It is filled with one, so that it may replace with a new collection column, it is ensured that collecting nanofibers are gone on smoothly, further, it is also possible to logical It crosses adjustment and collects the shape of column and the size of intercolumniation gap, to obtain more polymorphic nanofiber, to meet a variety of production need It asks.Therefore, not only collection efficiency is higher by the present invention, but also adjustability is stronger.
7, it in a kind of nanofiber preparation system that centrifugation electrostatic spinning combines of the present invention, is embedded in the middle part of upper cover base Heated seats, the inside of heated seats are provided through adjustable pipe, and adjustable pipe slides up and down cooperation along the inside of heated seats, adjustable pipe Discharge port is offered on side wall, in use, heating device can both be arranged in adjustable pipe, by the up and down motion of adjustable pipe with Different degrees of heating is carried out to feeding chamber from inside, and various additives can also be set in adjustable pipe, in the mistake of production Various adjustment are carried out to the polymer in feeding chamber in journey, to obtain more polymorphic nanofiber.Therefore, the present invention not only adds Thermal effect is preferable, and adjustability is higher, product form multiplicity.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the connection schematic diagram of upper stationary plate in Fig. 1, lower stationary plate and left sliding riser.
Fig. 3 is the bottom view of upper stationary plate in Fig. 1.
Fig. 4 is the structural schematic diagram of nozzle in Fig. 1.
Fig. 5 is the top view of collection device in Fig. 1.
Fig. 6 is the structural schematic diagram of upper cover base in Fig. 1.
Fig. 7 is the structural schematic diagram of Fig. 1 indsole axle bed.
In figure:Pedestal 1, upper cover base 2, heated seats 21, adjustable pipe 22, discharge port 23, tube cavity 24, rotary shaft 3, axis inner cavity 31, axis movement slots 32, charge rotor 4, outer shell 41, outer shell cavity 42, feeding chamber 43, collection device 5, collection column 51, intercolumniation gap 52, nozzle 6, to collar extension 61, mouth inner cavity 62, to internal orifice 63, interior flaring 64, lower shaft seat 7, seat air flue 71, left branch airway 72, right branch Air flue 73, limit spring 8, limiting buffer block 81, external power supply 9, upper stationary plate 91, upper sliding annular groove 911, upper centre bore 912, lower stationary plate 92, lower slider annular groove 921, lower centre bore 922, left sliding riser 93, right sliding riser 94, logical nozzle aperture 95, conductive plate 10, upper conductor wire 101, lower conductor wire 102, insulation ring set 11.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1 to Fig. 7, a kind of nanofiber preparation system that centrifugation electrostatic spinning combines, including charge rotor 4, Rotary shaft 3 and collection device 5, the charge rotor 4 are communicated with nozzle 6, and the inside of charge rotor 4 is loaded with polymer, charge The bottom of rotor 4 is connected with rotary shaft 3, and the surrounding of charge rotor 4 is provided with collection device 5;
The nanofiber preparation system further includes upper stationary plate 91, lower stationary plate 92, left sliding riser 93 and the right side Riser 94 is slided, fixed sliding plate 91, about 92 lower stationary plate are parallel to each other, upper stationary plate 91, lower stationary plate It is offered respectively in 92 disk and slides annular groove 911, lower slider annular groove 921, in upper stationary plate 91, lower stationary plate 92 Portion offers centre bore 912, lower centre bore 922 respectively, and the left sliding riser 93, right sliding riser 94 or so are mutually flat The top and bottom ends of row, left sliding riser 93 are slidably matched along upper sliding annular groove 911, lower slider annular groove 921 respectively, right sliding The top and bottom ends of riser 94 are slidably matched along upper sliding annular groove 911, lower slider annular groove 921 respectively, and left sliding riser 93, The middle part of right sliding riser 94 offers logical nozzle aperture 95;It is described it is left sliding riser 93 top and bottom ends respectively with upper sliding annular groove 911, the cell wall of lower slider annular groove 921 is in contact, it is right sliding riser 94 top and bottom ends respectively with upper sliding annular groove 911, lower slider The cell wall of annular groove 921 is in contact, and the lateral wall of upper stationary plate 91 or lower stationary plate 92 is through upper conductor wire 101 and external power supply 9 anode carries out circuit connection, and the cathode of external power supply 9 carries out circuit connection, conductive plate with conductive plate 10 through lower conductor wire 102 10 bottom surface is connected with the top surface of pedestal 1, and collection device 5 is equipped on the top surface of conductive plate 10;
The charge rotor 4 includes outer shell 41, outer shell cavity 42 and feeding chamber 43, and the outer shell 41 is through upper center In hole 912, lower centre bore 922, the outer shell cavity 42 is sandwiched between outer shell 41, feeding chamber 43, outer shell cavity 42, feeding chamber 43 Top and the same upper cover base 2 are sealed cooperation, and the bottom of outer shell cavity 42 is provided with lower shaft seat 7, the lower shaft seat 7 and insertion its The top of internal rotary shaft 3 is connected, and the bottom end of rotary shaft 3 is successively downward after drawing-in outer shell 41, conductive plate 10, pedestal 1 Extend to the underface of pedestal 1;The charge rotor 4 is all located at the junction of rotary shaft 3 and charge rotor 4, upper cover base 2 The inside of collection device 5;The rotary shaft 3 is hollow structure, the seat gas that the axis inner cavity 31 of rotary shaft 3 opens up in lower shaft seat 7 It is communicated behind road 71 with outer shell cavity 42;One end of the nozzle 6 is communicated with feeding chamber 43, the other end of nozzle 6 successively drawing-in shell It is communicated after chamber 42, logical nozzle aperture 95 with exterior space, logical nozzle aperture 95 is fastened on the side wall of nozzle 6, the lateral wall and Tong Zui of nozzle 6 The inner sidewall in hole 95 is in contact.
The seat air flue 71 includes left branch airway 72 and right branch airway 73, and left branch airway 72, the inner end of right branch airway 73 are equal Communicated with axis inner cavity 31, left branch airway 72, right branch airway 73 outer end communicated with outer shell cavity 42, and left branch airway 72, right branch Air flue 73 is located at the two sides of rotary shaft 3.
The outer wall of the rotary shaft 3 is passed through along the inner wall of axis movement slots 32, outer wall and 1 phase of pedestal of axis movement slots 32 Connection;The position of nearly rotary shaft 3 is provided with insulation ring set 11, and 3 drawing-in of rotary shaft insulation ring set 11 in the conductive plate 10 Internal and mistake.
Position on the bottom of the outer shell 41 positioned at 3 two sides of rotary shaft is respectively connected with the top of a limit spring 8 It connects, the bottom end of limit spring 8 is connected with limiting buffer block 81, and limiting buffer block 81 is wider than the setting of limit spring 8, and limits slow Block 81 is rushed to be arranged higher than pedestal 1.
The nozzle 6 includes sequentially connected to collar extension 61, mouth inner cavity 62 and to internal orifice 63, and mouth inner cavity 62 is outer narrow inner width Circular cone structure, the diameter to internal orifice 63 is less than to the diameter of collar extension 61, the exterior space of nozzle 6 successively pass through to collar extension 61, Mouth inner cavity 62 is communicated to after internal orifice 63 with feeding chamber 43.
Described to communicate through interior flaring 64 with feeding chamber 43 to internal orifice 63, the diameter of interior flaring 64 is greater than to the straight of internal orifice 63 Diameter.
The collection device 5 includes the consistent collection column 51 of more root knot structures, and all collection columns 51 are all with charge rotor 4 The center of circle is uniformly arranged in the same circle, and there are intercolumniation gaps 52 between adjacent collection column 51.
The collection column 51 is cylindrical body, cuboid, cone, ellipsoid, sphere or spindle structure.
The middle part of the upper cover base 2 is embedded with heated seats 21, and the inside of the heated seats 21 is provided through adjustable pipe 22, living The top of dynamic pipe 22 is higher than the top of heated seats 21, after the bottom end drawing-in heated seats 21 of adjustable pipe 22 under be extended down to the interior of feeding chamber 43 Portion, and adjustable pipe 22 slides up and down cooperation along the inside of heated seats 21.
Discharge port 23 is offered on the side wall of the adjustable pipe 22, in the pipe opened up inside the discharge port 23 and adjustable pipe 22 Chamber 24 communicates, and the length of discharge port 23 is less than the length of heated seats 21.
The principle of the present invention is described as follows:
The present invention can carry out centrifugal spinning and electrostatic spinning simultaneously, to improve spinning efficiency.When carrying out centrifugal spinning, Both solution can be directly taken, nanofiber can also be made using polymer, to make the melts such as metal, ceramics or polymer All become the making material of nanofiber, and has higher producing efficiency.Specifically, the present invention passes through to feeding chamber Heating makes the polymer in feeding chamber become molten condition, and obtains melt liquid, and melt liquid has certain surface tension And molecular entanglement is in a zone of reasonableness, and when rotary shaft drives charge rotor to make revolution at a high speed movement, the melting of polymer Liquid forms taylor cone at nozzle, and when centrifugal force is greater than glutinous elastic force and surface tension, melt liquid is stretched to be formed and be received Rice fiber, and penetrate and collected on collection device with facilitating.Adjust the available not similar shape of the distance between nozzle and collection device The nanofiber of state, nozzle geometrical characteristic parameter and stress condition nanofiber space rail when being prepared according to nanofiber Nanometer spinning may be implemented by designing different collection devices in mark.The present invention is not needed using solvent to obtain conductivity, no Pollution can be generated, realizes clean manufacturing.
Embodiment 1:
Referring to Fig. 1 to Fig. 7, a kind of nanofiber preparation system that centrifugation electrostatic spinning combines, including charge rotor 4, Rotary shaft 3 and collection device 5, the charge rotor 4 are communicated with nozzle 6, and the inside of charge rotor 4 is loaded with polymer, charge The bottom of rotor 4 is connected with rotary shaft 3, and the surrounding of charge rotor 4 is provided with collection device 5;The nanofiber, which is produced, is System further includes upper stationary plate 91, lower stationary plate 92, left sliding riser 93 and right sliding riser 94, fixed sliding plate 91, lower about 92 stationary plate is parallel to each other, and offers sliding respectively in upper stationary plate 91, the disk of lower stationary plate 92 Annular groove 911, lower slider annular groove 921, upper stationary plate 91, lower stationary plate 92 middle part offer respectively centre bore 912, under Centre bore 922, the left sliding riser 93, right sliding riser 94 or so are parallel to each other, the top and bottom ends difference of left sliding riser 93 It is slidably matched along upper sliding annular groove 911, lower slider annular groove 921, the top and bottom ends of right sliding riser 94 are respectively along upper slip ring Slot 911, lower slider annular groove 921 are slidably matched, and the middle part of left sliding riser 93, right sliding riser 94 offers logical mouth Hole 95;The top and bottom ends of the left sliding riser 93 are in contact with the cell wall of upper sliding annular groove 911, lower slider annular groove 921 respectively, The top and bottom ends of right sliding riser 94 are in contact with the cell wall of upper sliding annular groove 911, lower slider annular groove 921 respectively, upper stationary plate 91 or the lateral wall of lower stationary plate 92 carry out circuit connection, external power supply 9 through upper conductor wire 101 and the anode of external power supply 9 Cathode carry out circuit connection through lower conductor wire 102 and conductive plate 10, the bottom surface of conductive plate 10 is connected with the top surface of pedestal 1, Collection device 5 is equipped on the top surface of conductive plate 10;The charge rotor 4 includes outer shell 41, outer shell cavity 42 and feeding chamber 43, institute Outer shell 41 is stated through in upper centre bore 912, lower centre bore 922, the outer shell cavity 42 be sandwiched in outer shell 41, feeding chamber 43 it Between, outer shell cavity 42, the top of feeding chamber 43 and the same upper cover base 2 are sealed cooperation, and the bottom of outer shell cavity 42 is provided with bottom The top of axle bed 7, the lower shaft seat 7 rotary shaft 3 internal with it is inserted into is connected, the bottom end of rotary shaft 3 successively drawing-in outer shell 41, after conductive plate 10, pedestal 1 under extend to the underface of pedestal 1;The junction of the charge rotor 4 and rotary shaft 3, and Charge rotor 4, upper cover base 2 are all located at the inside of collection device 5;The rotary shaft 3 is hollow structure, the axis inner cavity of rotary shaft 3 It is communicated after the 31 seat air flue 71 through being opened up in lower shaft seat 7 with outer shell cavity 42;One end of the nozzle 6 is communicated with feeding chamber 43, spray The other end of mouth 6 successively communicates after drawing-in outer shell cavity 42, logical nozzle aperture 95 with exterior space, and logical nozzle aperture 95 is fastened in the side of nozzle 6 On wall, the lateral wall of nozzle 6 is in contact with the inner sidewall of logical nozzle aperture 95.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
The outer wall of the rotary shaft 3 is passed through along the inner wall of axis movement slots 32, outer wall and 1 phase of pedestal of axis movement slots 32 Connection;The position of nearly rotary shaft 3 is provided with insulation ring set 11, and 3 drawing-in of rotary shaft insulation ring set 11 in the conductive plate 10 Internal and mistake.Position on the bottom of the outer shell 41 positioned at 3 two sides of rotary shaft is respectively connected with the top of a limit spring 8 It connects, the bottom end of limit spring 8 is connected with limiting buffer block 81, and limiting buffer block 81 is wider than the setting of limit spring 8, and limits slow Block 81 is rushed to be arranged higher than pedestal 1.
Embodiment 3:
Basic content with embodiment 1, the difference is that:
The nozzle 6 includes sequentially connected to collar extension 61, mouth inner cavity 62 and to internal orifice 63, and mouth inner cavity 62 is outer narrow inner width Circular cone structure, the diameter to internal orifice 63 is less than to the diameter of collar extension 61, the exterior space of nozzle 6 successively pass through to collar extension 61, Mouth inner cavity 62 is communicated to after internal orifice 63 with feeding chamber 43.It is described that internal orifice 63 is communicated through interior flaring 64 with feeding chamber 43, interior flaring 64 diameter is greater than the diameter to internal orifice 63.
Embodiment 4:
Basic content with embodiment 1, the difference is that:
The collection device 5 includes the consistent collection column 51 of more root knot structures, and all collection columns 51 are all with charge rotor 4 The center of circle is uniformly arranged in the same circle, and there are intercolumniation gaps 52 between adjacent collection column 51.The collection column 51 is cylinder Body, cuboid, cone, ellipsoid, sphere or spindle structure.
Embodiment 5:
Basic content with embodiment 1, the difference is that:
The middle part of the upper cover base 2 is embedded with heated seats 21, and the inside of the heated seats 21 is provided through adjustable pipe 22, living The top of dynamic pipe 22 is higher than the top of heated seats 21, after the bottom end drawing-in heated seats 21 of adjustable pipe 22 under be extended down to the interior of feeding chamber 43 Portion, and adjustable pipe 22 slides up and down cooperation along the inside of heated seats 21.Discharge port 23 is offered on the side wall of the adjustable pipe 22, The tube cavity 24 opened up inside the discharge port 23 and adjustable pipe 22 communicates, and the length of discharge port 23 is less than the length of heated seats 21 Degree.

Claims (10)

1. a kind of nanofiber preparation system that centrifugation electrostatic spinning combines, including charge rotor (4), rotary shaft (3) and receipts Acquisition means (5), the charge rotor (4) communicate with nozzle (6), and the inside of charge rotor (4) is loaded with polymer, charge rotor (4) bottom is connected with rotary shaft (3), and the surrounding of charge rotor (4) is provided with collection device (5), it is characterised in that:
The nanofiber preparation system further include upper stationary plate (91), lower stationary plate (92), left sliding riser (93) with Right sliding riser (94), fixed sliding plate (91), lower stationary plate (92) are parallel to each other up and down, upper stationary plate (91), Sliding annular groove (911), lower slider annular groove (921), upper stationary plate are offered in the disk of lower stationary plate (92) respectively (91), the middle part of lower stationary plate (92) offers centre bore (912), lower centre bore (922), the left sliding riser respectively (93), right sliding riser (94) left and right is parallel to each other, the top and bottom ends of left sliding riser (93) respectively along upper sliding annular groove (911), Lower slider annular groove (921) is slidably matched, and the top and bottom ends of right sliding riser (94) are respectively along upper sliding annular groove (911), downslide Rotating ring slot (921) is slidably matched, and the middle part of left sliding riser (93), right sliding riser (94) offers logical nozzle aperture (95);It is described it is left sliding riser (93) top and bottom ends respectively with it is upper sliding annular groove (911), lower slider annular groove (921) cell wall phase Contact, the top and bottom ends of right sliding riser (94) connect with the cell wall of upper sliding annular groove (911), lower slider annular groove (921) respectively Touching, the lateral wall of upper stationary plate (91) or lower stationary plate (92) through the anode of upper conductor wire (101) and external power supply (9) into The cathode of row circuit connection, external power supply (9) carries out circuit connection, conductive plate through lower conductor wire (102) and conductive plate (10) (10) bottom surface is connected with the top surface of pedestal (1), and collection device (5) are equipped on the top surface of conductive plate (10);
The charge rotor (4) includes outer shell (41), outer shell cavity (42) and feeding chamber (43), the outer shell (41) through In upper centre bore (912), lower centre bore (922), the outer shell cavity (42) is sandwiched between outer shell (41), feeding chamber (43), outside Shell chamber (42), the top of feeding chamber (43) and the same upper cover base (2) are sealed cooperation, and the bottom of outer shell cavity (42) is provided with The top of lower shaft seat (7), the lower shaft seat (7) rotary shaft (3) internal with it is inserted into is connected, and the bottom end of rotary shaft (3) is successively Drawing-in outer shell (41), conductive plate (10), pedestal (1) extend to down the underface of pedestal (1) afterwards;The charge rotor (4) with The junction of rotary shaft (3) and charge rotor (4), upper cover base (2) are all located at the inside of collection device (5);The rotary shaft It (3) is hollow structure, after the seat air flue (71) that the axis inner cavity (31) of rotary shaft (3) opens up in lower shaft seat (7) and outer shell cavity (42) it communicates;One end of the nozzle (6) is communicated with feeding chamber (43), the other end of nozzle (6) successively drawing-in outer shell cavity (42), Logical nozzle aperture (95) are communicated with exterior space afterwards, and logical nozzle aperture (95) are fastened on the side wall of nozzle (6), the lateral wall of nozzle (6) with The inner sidewall of logical nozzle aperture (95) is in contact.
2. a kind of nanofiber preparation system that centrifugation electrostatic spinning combines according to claim 1, it is characterised in that: The seat air flue (71) includes left branch airway (72) and right branch airway (73), left branch airway (72), right branch airway (73) inner end Communicated with axis inner cavity (31), left branch airway (72), right branch airway (73) outer end communicated with outer shell cavity (42), and Zuo Zhiqi Road (72), right branch airway (73) are located at the two sides of rotary shaft (3).
3. a kind of nanofiber preparation system that centrifugation electrostatic spinning combines according to claim 1 or 2, feature exist In:The outer wall of the rotary shaft (3) is passed through along the inner wall of axis movement slots (32), the outer wall and pedestal of axis movement slots (32) (1) it is connected;The position of nearly rotary shaft (3) is provided with insulation ring set (11), and rotary shaft (3) drawing-in in the conductive plate (10) Insulate ring set (11) inside and mistake.
4. a kind of nanofiber preparation system that centrifugation electrostatic spinning combines according to claim 1 or 2, feature exist In:Position on the bottom of the outer shell (41) positioned at rotary shaft (3) two sides is respectively connected with the top of a limit spring (8) It connecing, the bottom end of limit spring (8) is connected with limiting buffer block (81), and limiting buffer block (81) is wider than limit spring (8) setting, And limiting buffer block (81) is arranged higher than pedestal (1).
5. according to a kind of nanofiber preparation system that centrifugation electrostatic spinning combines of any of claims 1 or 2, feature exists In:The nozzle (6) include it is sequentially connected to collar extension (61), mouth inner cavity (62) with to internal orifice (63), mouth inner cavity (62) are outer The circular cone structure of narrow inner width is less than the diameter to internal orifice (63) to the diameter of collar extension (61), and the exterior space of nozzle (6) is successively Through to collar extension (61), mouth inner cavity (62), to internal orifice (63) after communicate with feeding chamber (43).
6. a kind of nanofiber preparation system that centrifugation electrostatic spinning combines according to claim 5, it is characterised in that: Described to communicate through interior flaring (64) with feeding chamber (43) to internal orifice (63), the diameter of interior flaring (64) is greater than to the straight of internal orifice (63) Diameter.
7. a kind of nanofiber preparation system that centrifugation electrostatic spinning combines according to claim 1 or 2, feature exist In:The collection device (5) includes the consistent collection column (51) of more root knot structures, and all collection columns (51) are all with charge rotor (4) it is uniformly arranged for the center of circle in the same circle, there are intercolumniation gap (52) between adjacent collection column (51).
8. a kind of nanofiber preparation system that centrifugation electrostatic spinning combines according to claim 7, it is characterised in that: The collection column (51) is cylindrical body, cuboid, cone, ellipsoid, sphere or spindle structure.
9. a kind of nanofiber preparation system that centrifugation electrostatic spinning combines according to claim 1 or 2, feature exist In:Heated seats (21) are embedded in the middle part of the upper cover base (2), the inside of the heated seats (21) is provided through adjustable pipe (22), the top of adjustable pipe (22) be higher than heated seats (21) top, the bottom end drawing-in heated seats (21) of adjustable pipe (22) afterwards under It is extended down to the inside of feeding chamber (43), and adjustable pipe (22) slides up and down cooperation along the inside of heated seats (21).
10. a kind of nanofiber preparation system that centrifugation electrostatic spinning combines according to claim 9, feature exist In:Discharge port (23) are offered on the side wall of the adjustable pipe (22), are opened up inside the discharge port (23) and adjustable pipe (22) Tube cavity (24) communicates, and the length of discharge port (23) is less than the length of heated seats (21).
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CN110144632A (en) * 2019-06-24 2019-08-20 广东工业大学 A kind of centrifugation electrostatic spinning apparatus
CN110158172A (en) * 2019-06-26 2019-08-23 广东工业大学 The collection device and centrifugation electrospinning device of centrifugal spinning equipment
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CN113502552A (en) * 2021-06-10 2021-10-15 武汉纺织大学 Spinning equipment for preparing nano fibers
CN114703552A (en) * 2022-05-06 2022-07-05 武汉纺织大学 Boost opposite-extrusion type centrifugal spinning nozzle system

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CN114703552B (en) * 2022-05-06 2023-07-21 武汉纺织大学 Boosting opposite extrusion type centrifugal spinning nozzle system

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