CN206319086U - A kind of fine rule type electrostatic spinning apparatus for preparing nanofiber - Google Patents
A kind of fine rule type electrostatic spinning apparatus for preparing nanofiber Download PDFInfo
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- CN206319086U CN206319086U CN201620008831.8U CN201620008831U CN206319086U CN 206319086 U CN206319086 U CN 206319086U CN 201620008831 U CN201620008831 U CN 201620008831U CN 206319086 U CN206319086 U CN 206319086U
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- Prior art keywords
- fine rule
- thin line
- line generator
- liquid bath
- electrostatic spinning
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- 239000002121 nanofiber Substances 0.000 title claims abstract description 26
- 238000010041 electrostatic spinning Methods 0.000 title claims abstract description 21
- 238000009987 spinning Methods 0.000 claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000010287 polarization Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000009941 weaving Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 57
- 239000000463 material Substances 0.000 description 17
- 239000000835 fiber Substances 0.000 description 13
- 230000005684 electric field Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 6
- 230000001502 supplementing effect Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 238000005290 field theory Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
A kind of fine rule type electrostatic spinning apparatus for preparing nanofiber of the utility model, the polarizing electrode being connected including high voltage power supply, with the high voltage power supply both positive and negative polarity and reception are to electrode, liquid bath, the spinning solution being placed in the liquid bath, the transmission device being also discontinuously placed in the liquid bath including driving thin line generator.The utility model can improve spinning speed by driving the transmission device that thin line generator is discontinuously placed in the liquid bath quickly in the surface coating weaving solution of thin line generator.
Description
Technical field
The utility model is related to a kind of fine rule type electrostatic spinning apparatus for preparing nanofiber, and particularly one kind passes through electrostatic
Spining technology prepares the fine rule type electrostatic spinning apparatus of nanofiber.
Background technology
Electrostatic spinning technique is to prepare superfine fibre or yarn from solution using electrostatic force, generally in nanometer to micron
Size.Drop is electrically charged under electric field action, and electrostatic force, which can neutralize surface tension, makes drop deform, when electrostatic force is more than table
Face tension force to a certain extent after, drop can form injection thread, and thread divides in course of injection and solvent evaporates, final
To nanofiber.Taylor cone can be formed in the place for spraying thread.If the intermolecular force of drop is sufficiently large, thread is just not
It can divide, a branch of powered thread can be formed.
Fig. 1 is the schematic diagram for the fine rule type electrostatic spinning apparatus 10 that tradition prepares nanofiber.Equipment 10 includes one high
Voltage source 102, the polarizing electrode 103 being connected with the both positive and negative polarity of high voltage power supply 102 and reception are to electrode 104, the spinning for spinning
Solution 105 and the liquid bath 107 for placing Polymer Solution, polarizing electrode 103 are placed in spinning solution 105, and fine rule occurs
Device 101 is partially disposed in spinning solution 105, is applied Polymer Solution by the movement of thin line generator or the movement of solution tank
Apply on fine rule.
During electrostatic spinning, applying high pressure on Polymer Solution 105 by polarizing electrode 103 makes on thin line generator 101
Drop polarized charged.The drop of electrode 104 most nearby is moved because electrostatic force is drawn to reception to electrode 104 from reception,
Form the taylor cone 106 of cone.When electrostatic force is more than the surface tension of Polymer Solution, solution sprays from the tip of taylor cone
Form thread.Powered thread is drawn into superfine fibre 108 under the traction of electrostatic force, is finally collected in reception on electrode 104.
The finite surface area of thin line generator in said apparatus, contained liquid is also limited, so unit fine rule
Spinning amount also receives constraint.
A kind of new prepare the fine rule type electrostatic spinning apparatus of nanofiber to solve above-mentioned ask therefore, it is necessary to provide
Topic.
Utility model content
The purpose of this utility model is to provide a kind of fine rule type electrostatic spinning apparatus for preparing nanofiber rapidly and efficiently.
The utility model is achieved through the following technical solutions above-mentioned purpose：A kind of fine rule type Static Spinning for preparing nanofiber
Silk device, including high voltage power supply, the polarizing electrode that is connected with the high voltage power supply both positive and negative polarity and receive to electrode, liquid bath, be placed in
Spinning solution in the liquid bath, the transmission device being also discontinuously placed in the liquid bath including driving thin line generator.
Further, the specific surface area of the polarizing electrode is at least 1 ㎡/kg.
Further, the thin line generator is the polarizing electrode, and the thin line generator is metal.
Further, the surface of the thin line generator is provided with projection.
Further, thin line generator is placed in the liquid bath in whole or in part described in the actuator drives.
Further, the thin line generator is periodically disposed in the liquid bath.
Further, thin line generator described in the actuator drives is moved.
Further, liquid bath described in the actuator drives is moved.
Further, the high voltage power supply is high-voltage DC power supply.
Further, the top of the spinning solution is provided with laser orientation instru-ment, and the liquid bath is communicated with feedback liquid pump.
Compared with prior art, the beneficial effects of the utility model are：Institute is discontinuously placed in by driving thin line generator
The transmission device in liquid bath is stated, spinning speed can be improved quickly in the surface coating weaving solution of thin line generator.
Brief description of the drawings
Fig. 1 is the schematic diagram for the fine rule type electrostatic spinning apparatus that tradition prepares nanofiber.
Fig. 2 is the schematic diagram of the utility model embodiment 1.
Fig. 3 is the schematic diagram of the utility model embodiment 2.
Fig. 4 is the schematic diagram of the utility model embodiment 3.
Fig. 5 is the schematic diagram of the utility model embodiment 4.
Fig. 6 is the schematic diagram of the utility model embodiment 5.
Fig. 7 is that the different-diameter thin line generator surface average field intensity of simulation extremely receives the electricity to electrode distance midpoint
Field intensity.
Fig. 8 is the linear relationship of the thin line generator surface average field intensity and diameter inverse of simulation.
Fig. 9 is the thin line generator surface field intensity and raised relation of simulation.
Embodiment
Embodiment 1
Referring to Fig. 2, a kind of rotational electrostatic device for spinning 20 for preparing nanofiber, including high voltage power supply 202 and high pressure
The polarizing electrode 203 of the both positive and negative polarity of power supply 202 connection and reception are to electrode 204, liquid bath 207, the spinning solution being placed in liquid bath
205th, the thin line generator 201 in spinning solution 205 is partially disposed in, the one or both ends of thin line generator 201 are fixed on runner
On 209, by the front and rear rotation of runner, thin line generator 201 makes its surface by ready coating spinning solution 205 by liquid bath,
Spinning solution 205 is powered, and the specific surface area of polarizing electrode is at least 1 ㎡/kg, polarizing electrode described in raising polarization efficiency
203 materials include:Line, net, grid, foam, sponge, cloth, braid, fin, parallel-plate, adhesion mealy structure, intertexture material
Material etc..The shape in the section of thin line generator 201 include circular, oval, square, rectangle, hexagon, pentagon, star,
Surface possesses various projections, twistedwire, the twistedwire of different thicknesses, litzendraht wire, litzendraht wire of different materials etc..Thin line generator
201 material includes metal, plastics, organic fiber, inorfil.The present embodiment is a diameter of 2mm circular cross-section line, described
High voltage power supply is high-voltage DC power supply, and thin line generator 201 is 200mm, voltage 50,000 with receiving to the distance between electrode 204
It is more than volt.Taylor cone 206 is formed uniformly on the surface of thin line generator 201, because electrostatic force is more than the surface tension of spinning solution,
Spinning solution sprays from the tip of taylor cone forms thread.Powered thread is drawn into superfine fibre 208 under the traction of electrostatic force,
Reception is finally collected in on electrode 204.The position of spinning solution liquid level is by being arranged on the laser orientation instru-ment 210 of ullage
Monitoring, feedback liquid pump 211 is connected with liquid bath 207, the capacity for supplementing and adjusting spinning solution.
Embodiment 2
Referring to Fig. 3, a kind of rotational electrostatic device for spinning 30 for preparing nanofiber, including high voltage power supply 302 and high pressure
The polarizing electrode 303 of the both positive and negative polarity of power supply 302 connection and reception are to electrode 304, liquid bath 307, the spinning solution being placed in liquid bath
305th, it is interrupted the thin line generator 301 being placed in spinning solution 305, the one or both ends of thin line generator 301 are fixed on runner
On 309, liquid bath is connected with transmission device 309, and the driving liquid bath of transmission device 309 is moved up and down, and transmission device 309 is rotation driving
The mechanism such as crank cylinders, oil cylinder, the thin line generator 301 being placed in the spinning solution 305 can be made to be rapidly separated spinning
Liquid level of solution, so as to carry out spinning after ready coating spinning solution, polarizing electrode 303 is located in spinning solution 305 and position
In the lower section of thin line generator 301, polarizing electrode 303 and thin line generator length are similar, and polarizing electrode material includes:Line, net,
Grid, foam, sponge, cloth, braid, fin, parallel-plate, adhesion mealy structure, interwoven material etc., the ratio table of polarizing electrode
Area is at least 1 ㎡/kg.The shape in the section of thin line generator 301 include circular, oval, square, rectangle, hexagon,
Pentagon, star, surface possess various projections, twistedwire, the twistedwire of different thicknesses, litzendraht wire, the litzendraht wire of different materials.
The material of thin line generator 301 includes metal, plastics, organic fiber, inorfil.The present embodiment is two kinds of a diameter of 3mm
The twistedwire that different thicknesses line is twisted, the high voltage power supply is high-voltage DC power supply, and thin line generator 301 is with receiving to electrode
The distance between 304 be 250mm, more than 80,000 volts of voltage.Taylor cone 306 is formed uniformly on thin line generator surface, due to electrostatic
Power is more than the surface tension of spinning solution, and spinning solution sprays from the tip of taylor cone forms thread.Powered thread is in electrostatic force
Traction under be drawn into superfine fibre 308, be finally collected in reception on electrode 304.The position of spinning solution liquid level is by setting
The laser orientation instru-ment 310 put in ullage is monitored, and feedback liquid pump 311 is connected with liquid bath 307, for supplementing and adjusting spinning molten
The capacity of liquid.
Embodiment 3
Referring to Fig. 4, being the fixing means of thin line generator, the two ends of thin line generator 401 with the difference of embodiment 2
It is fixed on support 412, a kind of rotational electrostatic device for spinning 40 for preparing nanofiber, including high voltage power supply 402 and high-tension electricity
The polarizing electrode 403 of source 402 both positive and negative polarity connection and receive to electrode 404, liquid bath 407, the spinning solution 405 being placed in liquid bath,
It is interrupted the thin line generator 401 being placed in spinning solution 405, liquid bath is connected with transmission device 409, the driving liquid of transmission device 409
Groove is moved up and down, and transmission device 409 is the mechanisms such as crank cylinders, cylinder, the oil cylinder of rotation driving, can make to be placed in the spinning
Thin line generator 401 in solution 405 is rapidly separated spinning solution liquid level, so as to be spun after ready coating spinning solution
Silk, polarizing electrode 403 is located in spinning solution 405 and positioned at the lower section of thin line generator 401, and polarizing electrode 403 is sent out with fine rule
Raw device length is similar, and polarizing electrode material includes:It is line, net, grid, foam, sponge, cloth, braid, fin, parallel-plate, viscous
Connect mealy structure, interwoven material etc., the specific surface area of polarizing electrode is at least 1 ㎡/kg.The shape in the section of thin line generator 401
Shape possesses various projections, twistedwire, difference including circular, oval, square, rectangle, hexagon, pentagon, star, surface
The twistedwire of thickness, litzendraht wire, the litzendraht wire of different materials.The material of thin line generator 401 includes metal, plastics, organic fibre
Dimension, inorfil.The litzendraht wire that the present embodiment is woven into for the line of a diameter of 2.5mm three kinds of unlike materials, the high-tension electricity
Source is high-voltage DC power supply, and thin line generator 401 is 250mm with receiving to the distance between electrode 404,7.5 ten thousand volts of voltage with
On.Taylor cone 406 is formed uniformly on thin line generator surface, because electrostatic force is more than the surface tension of spinning solution, spinning is molten
Liquid sprays from the tip of taylor cone forms thread.Powered thread is drawn into superfine fibre 408 under the traction of electrostatic force, final to receive
Collection is being received on electrode 404.The position of spinning solution liquid level is monitored by being arranged on the laser orientation instru-ment 410 of ullage,
Feedback liquid pump 411 is connected with liquid bath 407, the capacity for supplementing and adjusting spinning solution.
Embodiment 4
Referring to Fig. 5, a kind of rotational electrostatic device for spinning 50 for preparing nanofiber, including high voltage power supply 502 and high pressure
The polarizing electrode 503 of the both positive and negative polarity of power supply 502 connection and reception are to electrode 504, liquid bath 507, the spinning solution being placed in liquid bath
505th, it is interrupted the thin line generator 501 being placed in spinning solution 505, the two ends of thin line generator 501 are fixed on support 512,
Support 512 is connected with transmission device 509, and the driving arm of transmission device 509 is moved up and down, and transmission device 509 is rotation driving
The mechanisms such as crank cylinders, cylinder, oil cylinder, can make the thin line generator 501 being placed in the spinning solution 505 be rapidly separated spinning
Silk liquid level of solution, so as to carry out spinning after ready coating spinning solution, polarizing electrode 503 is located in spinning solution 505 simultaneously
Positioned at the lower section of thin line generator 501, polarizing electrode 503 and thin line generator length are similar, and polarizing electrode material includes:Line,
Net, grid, foam, sponge, cloth, braid, fin, parallel-plate, adhesion mealy structure, interwoven material etc., polarizing electrode
Specific surface area is at least 1 ㎡/kg.The shape in the section of thin line generator 501 includes circular, oval, square, rectangle, six
Side shape, pentagon, star, surface possess various projections, twistedwire, the twistedwire of different thicknesses, litzendraht wire, the volume of different materials
Knit line.The material of thin line generator 501 includes metal, plastics, organic fiber, inorfil.The present embodiment is a diameter of 1.5mm
Three kinds of unlike materials the twistedwire that is twisted of line, the high voltage power supply is high-voltage DC power supply, and thin line generator 501 is with receiving
It is 230mm, more than 60,000 volts of voltage to the distance between electrode 504.Taylor cone 506 is formed uniformly on thin line generator surface, by
It is more than the surface tension of spinning solution in electrostatic force, spinning solution sprays from the tip of taylor cone forms thread.Powered thread exists
Superfine fibre 508 is drawn under the traction of electrostatic force, reception is finally collected in on electrode 504.When thin line generator 501 is gold
When belonging to material, high voltage power supply can be directly coupled, can save impolarizable electrode 503, and now thin line generator is namely
Polarizing electrode, can also equally spin nano wire.The position of spinning solution liquid level is by being arranged on the laser positioning of ullage
Instrument 510 is monitored, and feedback liquid pump 511 is connected with liquid bath 507, the capacity for supplementing and adjusting spinning solution.
Embodiment 5
Referring to Fig. 6, a kind of rotational electrostatic device for spinning 60 for preparing nanofiber, including high voltage power supply 602 and high pressure
The thin line generator 601 of the both positive and negative polarity of power supply 602 connection and reception are to electrode 604, liquid bath 607, the spinning being placed in the liquid bath
Solution 605, now thin line generator used as polarizing electrode, the design in the structure such as Fig. 7 of the present embodiment thin line generator
E), the ring diameter of thicker part point is 5mm, width 1mm, and thin part is 3mm length 4mm, and the thin line generator is not less than spinning
5mm under liquid level of solution, is more preferably not less than subsurface 3mm.Described thin line generator is placed under the liquid level of spinning solution
Spinning efficiency is strengthened by surface micro-structure.Small projection can also increase electric-field intensity 50% as shown in Figure 9, the micro-structural
Height be not more than 10mm, more preferably no more than 5mm, no more than more preferably 3mm.The high voltage power supply is high-voltage DC power supply,
Thin line generator 601 is 200mm, more than 60,000 volts of voltage with receiving to the distance between electrode 604.On thin line generator surface
Taylor cone 606 is formed uniformly, because electrostatic force is more than the surface tension of spinning solution, spinning solution sprays from the tip of taylor cone
Form thread.Powered thread is drawn into superfine fibre 608 under the traction of electrostatic force, is finally collected in reception on electrode 604.
The position of spinning solution liquid level is monitored by being arranged on the laser orientation instru-ment 610 of ullage, feedback liquid pump 611 and liquid bath 607
Connection, the capacity for supplementing and adjusting spinning solution.
Be shown in Fig. 7, Fig. 8 and Fig. 9 using electric field simulation software (such as Maxwell) produce thin line generator surface with
Receive the electric-field intensity distribution to midpoint between electrode, i.e. electrical potential difference；Result can be comparatively fast obtained using two-dimentional software, it is circular
The diameter of section thin line generator increases to 10mm from 1mm, and it is 200mm cylinders to receive to electrode, thin line generator surface and connects
It is 200mm to receive to the distance of electrode surface.Compare for convenience, normalized with the electrical potential difference of 1mm diameter thin line generators
Processing.From seen in fig. 7, the electric-field intensity on thin line generator surface reduces with the increase of diameter, and thin line generator is to connecing
Receive and the electrical potential difference at the midpoint of electrode surface is then continued to increase.Higher thin line generator surface field intensity is conducive to producing Thailand
Cone and spinning are strangled, higher midpoint electric-field intensity can provide the diameter that enough energy reduce fiber, and preferable diameter is less than
10mm, preferably less than 6mm, preferably with diameter greater than 1mm, thin line generator mechanical strength less than 1mm not enough, the life-span compared with
It is short, it is more difficult to spin thinner fiber.Fig. 8 shows the average field intensity on thin line generator surface and the inverse of thin line generator diameter
Relation, learn between them there is good linear relationship from figure, coefficient correlation is more than 0.99, and the maximum of the coefficient
For 1.0.This relation meets electric field theory, so the precision of the electric field simulation meets the accurate explanation of electric field phenomenon.Fig. 9 is shown carefully
The electric field effect of line generator rat, for the sake of conveniently comparing, electric-field intensity is normalized.The knot of thin line generator
Design e) in structure such as Fig. 7, the ring diameter of thicker part point is 5mm, width 1mm, and thin part is 3mm length 4mm, bossing
Electric-field intensity than recess is higher by more than more than 30%, or even 50%, so the small pattern change on surface can be produced
Huge electric field change.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (10)
1. a kind of fine rule type electrostatic spinning apparatus for preparing nanofiber, including high voltage power supply and the high voltage power supply both positive and negative polarity
The polarizing electrode of connection and reception are to electrode, liquid bath, the spinning solution being placed in the liquid bath, it is characterised in that：Also include driving
The transmission device that dynamic thin line generator is discontinuously placed in the liquid bath.
2. the fine rule type electrostatic spinning apparatus according to claim 1 for preparing nanofiber, it is characterised in that：The polarization
The specific surface area of electrode is at least 1 ㎡/kg.
3. the fine rule type electrostatic spinning apparatus according to claim 1 for preparing nanofiber, it is characterised in that：The fine rule
Generator is the polarizing electrode, and the thin line generator is metal.
4. the fine rule type electrostatic spinning apparatus according to claim 3 for preparing nanofiber, it is characterised in that：The fine rule
The surface of generator is provided with projection.
5. the fine rule type electrostatic spinning apparatus according to claim 1 for preparing nanofiber, it is characterised in that：The transmission
Device drives the thin line generator to be placed in whole or in part in the liquid bath.
6. the fine rule type electrostatic spinning apparatus according to claim 1 for preparing nanofiber, it is characterised in that：The fine rule
Generator is periodically disposed in the liquid bath.
7. the fine rule type electrostatic spinning apparatus according to claim 1 for preparing nanofiber, it is characterised in that：The transmission
Device drives the thin line generator movement.
8. the fine rule type electrostatic spinning apparatus according to claim 1 for preparing nanofiber, it is characterised in that：The transmission
Device drives the liquid bath movement.
9. the fine rule type electrostatic spinning apparatus according to claim 1 for preparing nanofiber, it is characterised in that：The high pressure
Power supply is high-voltage DC power supply.
10. the fine rule type electrostatic spinning apparatus according to claim 1 for preparing nanofiber, it is characterised in that：It is described to spin
The top of silk solution is provided with laser orientation instru-ment, and the liquid bath is communicated with feedback liquid pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620008831.8U CN206319086U (en) | 2016-01-07 | 2016-01-07 | A kind of fine rule type electrostatic spinning apparatus for preparing nanofiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620008831.8U CN206319086U (en) | 2016-01-07 | 2016-01-07 | A kind of fine rule type electrostatic spinning apparatus for preparing nanofiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206319086U true CN206319086U (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620008831.8U Expired - Fee Related CN206319086U (en) | 2016-01-07 | 2016-01-07 | A kind of fine rule type electrostatic spinning apparatus for preparing nanofiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206319086U (en) |
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2016
- 2016-01-07 CN CN201620008831.8U patent/CN206319086U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170711 |