CN106757423A - Vibration Multi-tip electrostatic spinning apparatus - Google Patents
Vibration Multi-tip electrostatic spinning apparatus Download PDFInfo
- Publication number
- CN106757423A CN106757423A CN201710060156.2A CN201710060156A CN106757423A CN 106757423 A CN106757423 A CN 106757423A CN 201710060156 A CN201710060156 A CN 201710060156A CN 106757423 A CN106757423 A CN 106757423A
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- Prior art keywords
- tip
- solution tank
- vibration
- electrostatic spinning
- group
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Classifications
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- 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
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Vibration Multi-tip electrostatic spinning apparatus, are related to electrostatic spinning.It is provided with power supply, solution tank, liquid feed device, Multi-tip group, guiding cage plate, expansion link, collection device, vibration machine, heat block, conduit and vibration transducer.The solution tank is provided with into liquid interface, goes out liquid interface and external through hole；The liquid feed device by solution tank enter liquid interface and conduit is connected with solution tank；The vibration machine is connected by the external through hole and vibration transducer of solution tank with the base end face of Multi-tip group, external logical hole sealing ring sealing；The bottom surface of the Multi-tip group is connected with expansion link top；The expansion link bottom is fixedly connected on the bottom surface of solution tank；The heat block is uniformly distributed in inside solution tank, for melting melt heating in electrospinning；The Multi-tip group is connected by wire with power supply；The collection device is located at the surface of solution tank；The axis of symmetry of the Multi-tip group, guiding cage plate and vibration transducer vibrating shaft overlaps.
Description
Technical field
The present invention relates to electrostatic spinning, more particularly, to vibration Multi-tip electrostatic spinning apparatus.
Background technology
Electrostatic spinning is a kind of method of manufacture nanofiber popular in recent years.Due to its have process is simple,
Easily manipulation, the advantages of cost is relatively low, material source is extensive, preparation-obtained tunica fibrosa has that diameter is small, porosity is high, ratio
The features such as surface area is big, permeability is high, becomes a focus of current research nanofiber preparation.Electrostatic spinning technique system
Standby fiber suffers from being widely applied in fields such as weaving, filter, biomedicine, photoelectric material, catalyst, sensors.
Electrostatic spinning is, by high-pressure electrostatic on polymer solution or melt band, taylor cone to be formed in the presence of electric field,
When electric field is increased to is enough to overcome Surface Tension of Liquid Drops, powered injection thread is formed in taylor cone cone tip part.In electric field force, glue
Under the effect such as resistance hysteresis, surface tension, by the way that the whip of fiber is dynamic, slenderizing, solvent volatilization is finally deposited on collection device
On, form fiber.
Traditional electrostatic spinning uses monofilaments shower nozzle and carries out the preparation of fiber, less efficient, it is impossible to realize fine
The mass production of dimension.The method of raising Electrospun nano-fibers efficiency is mainly at present carries out electrostatic using many spinning nozzles
Spinning (Theron S A, Yarin A L, Zussman E, et al.Multiple jets in electrospinning:
experiment and modeling[J].Polymer,2005,46(9):2889-2899), and it is most of use it is right
The injection spinning nozzle of multiple standards is assembled, by the promotion extrusion solution or melt of mechanical force, by being stretched into for electric field force
Row spinning.But, the spinning nozzle diameter of the injection showerhead of standard is in micron order mostly, and electrostatic spinning is carried out with this shower nozzle,
Easily cause the obstruction of shower nozzle because solvent volatilization or melt curing rate are too fast, the interruption for causing spinning to prepare, influence production
Efficiency, while needing to change shower nozzle and shower nozzle being cleaned, causes the reduction of spinning efficiency, the raising of cost of spinning.Also,
The solution higher for viscosity or melt, because the surface tension of solution or melt is big, it is difficult to overcome surface tension to form injection
Thread, the method for solving at present is mainly the DC voltage being added on shower nozzle using raising so that solution or melt are at shower nozzle
Solution overcome surface tension formed injection thread, but too high voltage easily causes the ionization of air.In electrostatic spinning mistake
Cheng Zhong, is also that one kind has using External force interference in addition to the method for surface tension that above-mentioned utilization electric field force overcomes solution
The method of the surface tension of effect destruction solution.Wherein, the mobility of solution can be strengthened using mechanical oscillation, is contacted using foreign object
Solution surface, can puncture surface, overcome surface tension, be the approach for effectively destroying surface tension.Have at present using ultrasound
The mode of ripple concussion makes solution be in dynamic flow regime, overcomes solution surface tension to form many jets.But in electrostatic spinning
During, the position of standing wave can offset, taylor cone into position and direction do not fix, jet and formed fiber uniformity
It is relatively low, interference is susceptible between jet.
The content of the invention
In order to solve the above-mentioned technical problem, the obstructing problem and height that offer of the invention can overcome standard injection shower nozzle to cause are viscous
Degree solution or melt are difficult to the problem for overcoming surface tension to form jet, it is ensured that the stabilization of many injection streams is quickly sprayed, and realize fine
Tie up the vibration Multi-tip electrostatic spinning apparatus of mass production.
The present invention is provided with power supply, solution tank, liquid feed device, Multi-tip group, guiding cage plate, expansion link, collection device, vibration
Generator, heat block, conduit and vibration transducer.The solution tank is provided with into liquid interface, goes out liquid interface and external through hole；It is described
Liquid feed device by solution tank enter liquid interface and conduit is connected with solution tank；The vibration machine is external by solution tank
Through hole and vibration transducer are connected with the base end face of Multi-tip group, external logical hole sealing ring sealing；The Multi-tip group
Bottom surface is connected with expansion link top；The expansion link bottom is fixedly connected on the bottom surface of solution tank；The heat block is uniformly distributed
Inside solution tank, for melting melt heating in electrospinning；The Multi-tip group is connected by wire with power supply；It is described to collect dress
It is arranged in the surface of solution tank；The Multi-tip group, the axis of symmetry phase mutual respect for being oriented to cage plate and vibration transducer vibrating shaft
Close.
The solution tank can use open type ambroin solution tank, it is described enter liquid interface can located at solution tank top, connect
Encapsulation process at mouthful, prevents the seepage of solution.
Spinning solution is added to solution tank by liquid feed device, and keeps the liquid level of spinning solution or melt in solution tank
Height keeps constant in spinning process.
The expansion link can be distributed in below Multi-tip group, for supporting Multi-tip group so that Multi-tip group is in vibration
When keep balance.
The vibration frequency of the vibration machine can be 0.1Hz~20kHz, and amplitude can be 0.001~50mm.
Encapsulation process between the vibration machine and the external through hole and vibration transducer of Multi-tip group connection, prevents
The seepage of solution.
The Multi-tip group can be made up of conductor material.
The through hole with the arrangement of Multi-tip group needle point, quantity all same can be provided with the guiding cage plate, can be by insulating materials
It is made, is fixed in solution tank with certain height.
The array needle point of the Multi-tip group is each passed through the guiding cage plate and goes into battle the through hole of row, it is to avoid because needle point
Draw ratio is big, poor rigidity and produce excessive skew, so as to avoid interfering between needle point.
The heat block can be provided with least 2 pieces, and at least 2 pieces heat blocks are evenly distributed in solution tank.
The present invention carries out batch continuous spinning by a vibration Multi-tip electrostatic spinning apparatus, by vibration machine band
Dynamic Multi-tip group vibration, Multi-tip group punctures the surface tension of solution or bath surface, destruction solution or melt, along with spininess
The electric-field intensity of point group top end is maximum, therefore applies less voltage in Multi-tip group and be just enough to overcome solution or melt
Surface tension, forms many jets at array needle point, effectively increases the speed of spinning, increased the product of electrostatic spinning
Amount, is capable of achieving the continuous and large-scale production of nanofiber.Shower nozzle in the present invention is that, using upward array Multi-tip group, have
Effect avoids the generation of conventionally employed standard injection nozzle structure clogging, without being replaced as frequently as and cleaning sprayer, carries
Production efficiency high.Also, because whole vibration Multi-tip electrostatic spinning apparatus are a devices for demountable open type,
Cleaning is easier to, easily manipulation.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
In figure each mark for：1- vibration machines；The free expansion links of 2-；3- heat blocks；4- solution tanks；5- Multi-tip groups；
6- is oriented to cage plate；7- power supplys；8- volume to volume collection devices；9- conduits；10- liquid feed devices；11- enters liquid interface；12- goes out liquid and connects
Mouthful；The external through holes of 13-；14- vibration transducers.
Fig. 2 is the top view of the embodiment of the present invention 1.
Fig. 3 is the top view of the guiding cage plate in the embodiment of the present invention 1.
Fig. 4 is the top view of the Multi-tip group in the embodiment of the present invention 1.
Fig. 5 is the top view of the Multi-tip group in the embodiment of the present invention 2.
Fig. 6 is the structural representation in the embodiment of the present invention 3.
Fig. 7 is the top view of the Multi-tip group in the embodiment of the present invention 3.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.It should be understood that described embodiment is only
It is only for the explanation present invention, rather than limitation the scope of the present invention.
Embodiment 1：
As shown in Figure 1 and Figure 2, the embodiment of the present invention is provided with power supply 7, solution tank 4, liquid feed device 10, Multi-tip group 5, guiding
Cage plate 6, expansion link 2, collection device 8, vibration machine 1, heat block 3 and vibration transducer 14.The solution tank 4 is provided with feed liquor
Interface 11, go out liquid interface 12 and external through hole 13；The liquid feed device 10 enters liquid interface 11 and solution tank 4 by solution tank 4
It is connected；The vibration machine 14 is by the external through hole 13 and vibration transducer 14 of solution tank 4 and the base bottom of Multi-tip group 5
Face is connected, and external through hole 13 is sealed with sealing ring；The bottom surface of the Multi-tip group 5 is connected with the top of expansion link 2；The expansion link
2 bottoms are fixedly connected on the bottom surface of solution tank 4；The heat block 3 is uniformly distributed in inside solution tank 4, for melting electrospinning in
Melt heating；The Multi-tip group 5 is connected by wire with power supply 7；The collection device 8 is located at the surface of solution tank 4；Institute
Multi-tip group 5, guiding cage plate 6 is stated to be overlapped with the axis of symmetry of the vibrating shaft of vibration transducer 14.
The solution tank 4 can use open type ambroin solution tank, it is described enter liquid interface 11 can be pushed up located at solution tank 4
Portion, interface encapsulation process prevents the seepage of solution.
Spinning solution is added to solution tank by liquid feed device, and keeps the liquid level of spinning solution or melt in solution tank
Height keeps constant in spinning process.
The expansion link can be distributed in below Multi-tip group, for supporting Multi-tip group so that Multi-tip group is in vibration
When keep balance.
The vibration frequency of the vibration machine can be 0.1Hz~20kHz, and amplitude can be 0.001~50mm.
Encapsulation process between the vibration machine and the external through hole and vibration transducer of Multi-tip group connection, prevents
The seepage of solution.
The Multi-tip group can be made up of conductor material.
The through hole with the arrangement of Multi-tip group needle point, quantity all same can be provided with the guiding cage plate, can be by insulating materials
It is made, is fixed in solution tank with certain height.
The array needle point of the Multi-tip group is each passed through the guiding cage plate and goes into battle the through hole of row, it is to avoid because needle point
Draw ratio is big, poor rigidity and produce excessive skew, so as to avoid interfering between needle point.
The heat block can be provided with least 2 pieces, and at least 2 pieces heat blocks are evenly distributed in solution tank.
Liquid feed device 10, as needed to solution is injected in solution tank 4, keeps the liquid level in solution tank 4 high in spinning process
Degree remains certain height so that minimum point of the Multi-tip group in vibration processes is less than solution surface position, peak
Higher than 0.001~50mm of solution surface so that Multi-tip group can both reach and puncture liquid level, surface tension is destroyed, form Taylor
The effect of cone, again can be in spinning process to constantly providing spinning solution or melt at the top of needle point.The Multi-tip group 5 by
Array needle point and base are constituted；The vibration machine 1 is by external through hole 13 and vibration transducer 14 and the Multi-tip group 5
Base end face be connected, drive Multi-tip group 5 to vibrate by vibration machine 1, the logical hole sealing ring of connection is sealed.It is described many
Needle point group 5 is connected by wire with the positive electrode of the power supply 7；The volume to volume collection device 8 by winding roller, unreel rolling
Cylinder, aluminium foil and conveyer belt composition, are placed in the surface of solution tank 4, and be grounded；Between the Multi-tip group 5 and the collecting board
Vertical range be 5-40cm.As shown in figure 3, described be oriented to the through hole that cage plate 6 is provided with 11 × 11 arrays, the diameter of through hole is
3mm, is made up of insulating materials；Surrounding is support beam, is cooperated with default straight trough in solution tank 4 and installed, and is led for fixation
To cage plate 6.As shown in figure 4, the Multi-tip group 5 is made up of the needle point of 11 × 11 arrays, the diameter of needle point is 350 μm, by not
Rust Steel material is made；Array syringe needle in Multi-tip group 5 is corresponded to through the array through-hole for being oriented to cage plate 6 respectively, it is to avoid because pin
The draw ratio of point is big, poor rigidity and produce excessive skew, so as to avoid interfering between needle point.In the He of Multi-tip group 5
Electrostatic field is formed between volume to volume collection device 8, the Multi-tip group 5 of vibration pierces through solution surface, destroys the surface of solution
Power, in the presence of the electrostatic field high at needle point tip, the inductive formation multiple taylor cone at needle point, and then multiple jetses are formed,
Directive volume to volume collection device 8, is deposited on aluminium foil.In spinning process, with the movement of conveyer belt, be capable of achieving large area and
The preparation of continuous tunica fibrosa.
Embodiment 2：
Similar to Example 1, its difference is：
As shown in figure 5, the base of Multi-tip group is circle in the present embodiment, needle point is on cup dolly with circular array
Distribution.The pore size distribution mode for being oriented to cage plate is corresponding with the distribution mode of needle point.
Embodiment 3：
Similar to Example 1, its difference is：
As shown in Figure 6, Figure 7, Multi-tip group 5 is made up of multiple independent needle point groups in the present embodiment, each needle point
Group is driven by independent vibration machine 1-1,1-2,1-3 ... 1-n, and each vibration machine can be with synchronous vibration, it is also possible to no
Synchronous vibration.The pore size distribution mode for being oriented to cage plate 6 is corresponding with the distribution mode of needle point.
Claims (10)
1. Multi-tip electrostatic spinning apparatus are vibrated, it is characterised in that be provided with power supply, solution tank, liquid feed device, Multi-tip group, guiding
Cage plate, expansion link, collection device, vibration machine, heat block, conduit and vibration transducer；The solution tank is provided with feed liquor and connects
Mouthful, go out liquid interface and external through hole；The liquid feed device by solution tank enter liquid interface and conduit is connected with solution tank；It is described
Vibration machine is connected by the external through hole and vibration transducer of solution tank with the base end face of Multi-tip group, and external through hole is used
Sealing ring is sealed；The bottom surface of the Multi-tip group is connected with expansion link top；The expansion link bottom is fixedly connected on solution tank
Bottom surface；The heat block is uniformly distributed in inside solution tank, for melting melt heating in electrospinning；The Multi-tip group passes through
Wire is connected with power supply；The collection device is located at the surface of solution tank；The Multi-tip group, guiding cage plate and vibration transducing
The axis of symmetry of device vibrating shaft overlaps.
2. Multi-tip electrostatic spinning apparatus are vibrated as claimed in claim 1, it is characterised in that the solution tank is exhausted using open type
Edge plastic solution groove.
3. as claimed in claim 1 vibration Multi-tip electrostatic spinning apparatus, it is characterised in that it is described enter liquid interface be located at solution tank
Top.
4. Multi-tip electrostatic spinning apparatus are vibrated as claimed in claim 1, it is characterised in that the expansion link is distributed in Multi-tip
Below group.
5. Multi-tip electrostatic spinning apparatus are vibrated as claimed in claim 1, it is characterised in that the vibration of the vibration machine is frequently
Rate is 0.1Hz~20kHz, and amplitude is 0.001~50mm.
6. Multi-tip electrostatic spinning apparatus are vibrated as claimed in claim 1, it is characterised in that the vibration machine and Multi-tip
Encapsulation process between the external through hole and vibration transducer of group connection.
7. Multi-tip electrostatic spinning apparatus are vibrated as claimed in claim 1, it is characterised in that the Multi-tip group is by conductor material
It is made.
8. as claimed in claim 1 vibration Multi-tip electrostatic spinning apparatus, it is characterised in that the guiding cage plate be provided with it is many
The arrangement of needle point group needle point, the through hole of quantity all same.
9. Multi-tip electrostatic spinning apparatus are vibrated as claimed in claim 1, it is characterised in that the array needle point of the Multi-tip group
The guiding cage plate is each passed through to go into battle the through hole of row.
10. Multi-tip electrostatic spinning apparatus are vibrated as claimed in claim 1, it is characterised in that the heat block is provided with least 2 pieces,
At least 2 pieces heat blocks are evenly distributed in solution tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710060156.2A CN106757423B (en) | 2017-01-24 | 2017-01-24 | Vibration multi-needle-point electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710060156.2A CN106757423B (en) | 2017-01-24 | 2017-01-24 | Vibration multi-needle-point electrostatic spinning device |
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| CN106757423A true CN106757423A (en) | 2017-05-31 |
| CN106757423B CN106757423B (en) | 2022-11-15 |
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| CN201710060156.2A Active CN106757423B (en) | 2017-01-24 | 2017-01-24 | Vibration multi-needle-point electrostatic spinning device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201558A (en) * | 2017-06-28 | 2017-09-26 | 黄辉 | A kind of pistol formula electrostatic spinning apparatus |
| CN107557893A (en) * | 2017-08-01 | 2018-01-09 | 东华大学 | A kind of two-dimension netted superfine nano-fiber material of electrostatic direct-injection and preparation method thereof |
| CN108532005A (en) * | 2018-05-10 | 2018-09-14 | 南通纺织丝绸产业技术研究院 | The electrospinning process of nanofiber is prepared by novel electrostatic device for spinning batch |
| CN111118620A (en) * | 2019-12-30 | 2020-05-08 | 东华大学 | Saturated micro-liquid-level solid needle array spinning device and using method thereof |
| CN111229489A (en) * | 2020-01-13 | 2020-06-05 | 厦门大学 | High-frequency core-shell structure micro-droplet injection device |
| CN115467033A (en) * | 2022-09-19 | 2022-12-13 | 魏桥纺织股份有限公司 | Telescopic liquid-carrying needle-free electrostatic spinning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201558A (en) * | 2017-06-28 | 2017-09-26 | 黄辉 | A kind of pistol formula electrostatic spinning apparatus |
| CN107557893A (en) * | 2017-08-01 | 2018-01-09 | 东华大学 | A kind of two-dimension netted superfine nano-fiber material of electrostatic direct-injection and preparation method thereof |
| CN108532005A (en) * | 2018-05-10 | 2018-09-14 | 南通纺织丝绸产业技术研究院 | The electrospinning process of nanofiber is prepared by novel electrostatic device for spinning batch |
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| CN111118620A (en) * | 2019-12-30 | 2020-05-08 | 东华大学 | Saturated micro-liquid-level solid needle array spinning device and using method thereof |
| CN111118620B (en) * | 2019-12-30 | 2021-12-21 | 东华大学 | Saturated micro-liquid-level solid needle array spinning device and using method thereof |
| CN111229489A (en) * | 2020-01-13 | 2020-06-05 | 厦门大学 | High-frequency core-shell structure micro-droplet injection device |
| CN115467033A (en) * | 2022-09-19 | 2022-12-13 | 魏桥纺织股份有限公司 | Telescopic liquid-carrying needle-free electrostatic spinning device |
| CN115467033B (en) * | 2022-09-19 | 2023-10-31 | 魏桥纺织股份有限公司 | Telescopic carrier liquid needleless electrostatic spinning device |
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Address after: No. 360, floor 5, Taocheng Town, Taode District, Fujian Province Patentee after: Fujian Weinasi Intelligent Manufacturing Technology Co.,Ltd. Address before: No. 360, floor 5, Taocheng Town, Taode District, Fujian Province Patentee before: Fujian Huanlai Technology Co.,Ltd. |
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Effective date of registration: 20230829 Address after: No. 360, floor 5, Taocheng Town, Taode District, Fujian Province Patentee after: Fujian Huanlai Technology Co.,Ltd. Address before: Xiamen City, Fujian Province, 361005 South Siming Road No. 422 Patentee before: XIAMEN University |