CN205443522U - Circular electrode electrostatic spinning device - Google Patents
Circular electrode electrostatic spinning device Download PDFInfo
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- CN205443522U CN205443522U CN201620281951.5U CN201620281951U CN205443522U CN 205443522 U CN205443522 U CN 205443522U CN 201620281951 U CN201620281951 U CN 201620281951U CN 205443522 U CN205443522 U CN 205443522U
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- spinning
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- electrostatic spinning
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Abstract
The utility model provides a circular electrode electrostatic spinning device, includes spinning system, solution feed system, collecting system and high voltage power supply, the collecting system is located the top of spinning system, the spinning system includes the spinning electrode, the collecting system includes the collector electrode, the spinning electrode is the disk -like structure, the transmitting terminal of disk -like structure is tip structure, it has spinning solution to hold in the disk -like structure, the axle center position of disk -like structure is provided with the guide pillar, the top of disk -like structure sets up the disk cover, the disk cover movable mounting be in on the guide pillar, the disk cover is in reciprocating on the guide pillar can be adjusted the disk cover with distance between the disk -like structure realizes the regulation of solution spill -out. The utility model discloses a circular electrode carries out electrostatic spinning, compares the device in other needlelesss electrostatic spinning, can increase substantially the output and the quality of fibre product. The device's cloth liquid mode is simple reliable, device simple structure, and the handling ease, the industrialization of being convenient for is used.
Description
Technical field
This utility model relates to electrostatic spinning technique field, particularly relates to a kind of circular electrode electrostatic spinning apparatus.
Background technology
Electrostatic spinning technique is a kind of technology utilizing electrostatic field force to produce nanofiber, its principle is: in high-voltage electrostatic field, charged polymer solution forms taylor cone under the effect of electric field force, when electric field force is sufficiently large, making charged drop overcome surface tension to form electrified jet, finally on collecting mechanism, deposition cure becomes nanofibrous structures.
The shower nozzle that traditional spray nozzle type electrostatic spinning apparatus easily occurs blocks, difficult cleaning, and array shower nozzle easily occurs that in spinning process the shortcomings such as " edge effect " phenomenon have impact on fiber quality and spinning efficiency, causes yield relatively low.
Compared to spray nozzle type Static Spinning, it is high that needle-free Static Spinning has yield, and spinning equipment is simple, the features such as production cost is relatively low.A kind of needleless electrostatic spinning technique that patent WO2005/024101A1 proposes, fiber production is big, but its spinning solution exposes in atmosphere, the fibre diameter thickness produced is uneven, additionally, spinning electrode Electric Field Distribution is uneven, spinning critical voltage is high, and energy consumption is big, is not suitable for batch nanofiber manufacture.
Utility model content
In order to overcome the defect of prior art, the purpose of this utility model is to provide a kind of circular electrode electrostatic spinning apparatus, avoid spinning solution to expose in atmosphere, the spinning making generation is more uniform, the design of circular electrode, achieving being uniformly distributed of spinning electrode electric field, the cutting-edge structure of electrode enhances the gathering of electric charge, the carrying out of induction spinning.This utility model design has been significantly increased yield and the quality of fiber product, and apparatus structure is simple, easily processes, it is simple to industrial applications.
This utility model is realized in, a kind of circular electrode electrostatic spinning apparatus, including spinning system, liquid-supplying system, collection system and high voltage power supply, described collection system is positioned at the top of described spinning system, described spinning system includes that spinning electrode, described collection system include that passive electrode, described spinning electrode are disk-like structure, the transmitting terminal of described disk-like structure is cutting-edge structure, accommodates spinning solution in described disk-like structure；The shaft core position of described disk-like structure is provided with guide pillar, described disk-like structure be provided above disk cover, described disk cover is movably arranged on described guide pillar, and described disk cover moving up and down on described guide pillar can regulate the distance between described disk cover and described disk-like structure, it is achieved the regulation of solution spill-out.
Preferably, the tip thickness of described disk-like structure is 0.05-20mm or 0.1-5mm.
Preferably, described disk-like structure includes that the dish wing, described dish wing angle of inclination are 90 °-180 ° or 135 °-165 °.
Preferably, described movable mountings can be the form that rack-and-pinion coordinates, internal and external threads coordinates or polished rod axle coordinates with axle sleeve.
Preferably, also include that gas aid system, described gas aid system include feeder, annular gas tank, the trachea coupled together with described annular gas tank by described feeder and be arranged on the ventilating mechanism outside spinning electrode.
Preferably, described spinning system also includes that upper cover and lower cover, described ventilating mechanism are array pore and/or air drain, and described array pore and/or air drain are arranged on described and cover, described annular gas tank is arranged in described lower cover, and described array pore and/or air drain are connected with described annular gas tank.
Preferably, described air vent aperture is 0.1-10mm or 0.5-2mm and/or described air drain width is 0.1-10mm or 0.5-2mm.
Preferably, described liquid-supplying system includes liquid feed device, tube for transfusion, liquid-return box, liquid back pipe and polyrrhea groove, solution is transported in described spinning electrode by described liquid feed device by tube for transfusion, described polyrrhea groove is arranged on below spinning electrode, in order to reclaim the redundant solution of spilling, and by liquid back pipe, solution is recovered in liquid-return box.
Preferably, described polyrrhea groove is arranged between described spinning electrode and described array pore.
Preferably, described cutting-edge structure is triangular structure, conic linear structure or tractrix shape structure.The tip portion of described cutting-edge structure is continuous structure or laciniation.
Compared with prior art, this utility model has the advantages that
(1) using the structure of plate-like as spinning electrode, disk-like structure easily produces uniform electric field, contributes to promoting spinning fibre quality；
(2) edge of spinning electrode disk is cutting-edge structure, it is possible to realize accumulation at most advanced and sophisticated, contributes to inducing spinning；
(3) cloth liquid mode and simple and reliable for structure, stores spinning solution, is coated on the edge of spinning electrode disk by solution, and carries out spinning by the way of spilling inside spinning electrode；
(4) be provided above can the disk cover of up-down adjustment for spinning electrode, the structure of disk cover matches with spinning electrode structure, by the gap between regulation disk cover and spinning electrode, the regulation of solution spill-out can be realized, and while ensureing that solution overflows, can be avoided the exposure of the solution inside spinning electrode and cause rotten in atmosphere, and then affect spinning quality；
(5) device is provided with ventilating mechanism in emission electrode both sides, it is possible to spinning process is carried out gas auxiliary protection, fiber plays the effect drawing stretching in, accelerating fibers deposition cure, is favorably improved spinning efficiency and spinning quality；
(6) device is provided with the structure of devil liquor recovery, reclaims the spinning solution overflowed, again with, economize on resources.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this utility model circular electrode electrostatic spinning apparatus.
Fig. 2 is the main sectional view of this utility model circular electrode electrostatic spinning apparatus.
Fig. 3 is the top view of this utility model circular electrode electrostatic spinning apparatus.
1-collection device, 2-upper cover, 3-pore, 4-spinning electrode, 5-lower cover, 6-trachea, 7-feeder, 8-liquid feed device, 9-tube for transfusion, 10-liquid-return box, 11-liquid back pipe, 12-disk cover, 13-high voltage power supply, 14-annular gas tank, 15-guide pillar, 16-polyrrhea groove.
Detailed description of the invention
Below the structure describing this utility model a kind of circular electrode electrostatic spinning apparatus by the embodiment in accompanying drawing is constructed.Circular electrode electrostatic spinning apparatus includes spinning system, gas aid system, liquid-supplying system, collection system, high voltage power supply.
As shown in Figure 1, Figure 2 and Figure 3, spinning system includes upper cover 2, spinning electrode 4, lower cover 5, disk cover 12 and guide pillar 15.Spinning electrode 4, disk cover 12 and guide pillar 15 are arranged on upper cover 2, and upper cover 2 and lower cover 5 are coupled together by securing member and form an entirety or structure that upper cover 2 is formed as one with lower cover 5, collectively as the pedestal of spinning system.Spinning electrode 4 is conductive material, fixed installation, and spinning electrode 4 is disk-like structure, can be disk, it is also possible to be the dish of other shapes, and disk-like structure includes the dish wing and tries to get to the heart of a matter.The transmitting terminal of disk-like structure is continuous or jagged cutting-edge structure, and cutting-edge structure is specifically as follows triangular structure, conic linear structure or tractrix shape structure, it is possible to for the cutting-edge structure of other forms, as long as accumulation can be realized.Disk-like structure is conductive material, and its thickness is 0.05mm-20mm, preferably 0.1mm-5mm；90 °-180 ° of dish wing angle of inclination, preferably 135 °-165 °, when disk-like structure is disk, disk is tried to get to the heart of a matter a diameter of 5mm-5000mm, preferably 100mm-1000mm, the degree of depth of disk is 1mm-100mm, preferably 5mm-50mm, under diameter at the bottom of same disk, the angle of inclination of the dish wing is the biggest, and the circumference of dish is the longest, and the disk degree of depth is the most shallow, longer circumference, improve effective spinning electrode length, the shallow disk degree of depth, make the feed flow update cycle shorten, it is effectively prevented the rotten of solution, stabilizes the quality of spinning.Under the effect of high voltage electric field, cutting-edge structure has accumulation effect, it is possible to effectively induce spinning, when spinning solution inside spinning electrode 4 starts to overflow from edge, solution breaks through surface tension, forms jet, and Electrode Field distribution is uniform, is favorably improved fibre forming quality；Spinning electrode 4 is provided above can the disk cover 12 of up-down adjustment, the structure of disk cover 12 matches with the structure of spinning electrode 4, disk cover 12 is movably arranged on guide pillar 15, by the gap between regulation disk cover 12 and spinning electrode 4, the regulation of solution spill-out can be realized, avoid the solution inside spinning electrode 4 to contact with air simultaneously, cause spinning solution to go bad.
Disk cover 12 and the form that the movable connection method of guide pillar 15 can be that rack-and-pinion coordinates, internal and external threads coordinates or polished rod axle coordinates with axle sleeve, it is also possible to be other movable connection method, it is possible to realize disk cover moving up and down on guide pillar.Such as, rack-and-pinion form: be embedded with tooth bar on guide pillar 15, gear is fixed on disk cover 12, by turning gear wheel belt carry-over bar (guide pillar 15) and then the up-down adjustment that realizes disk cover 12, and a block is set, by blocking gear, and then realize disk cover 12 being relatively fixed on guide pillar 15；The form that internal and external threads coordinates: arranging external screw thread on guide pillar 15, and the position that disk cover 12 matches with guide pillar 15 is female thread structure, guide pillar 15 maintains static, by rotating disk cover 12, it is achieved up-down adjustment；Polished rod axle and hub form: guide pillar 15 is polished rod axle construction, and disk cover 12 arranges axle axle sleeve, axle sleeve can slide up and down on guide pillar 15, realizes axle sleeve being relatively fixed on guide pillar 15 by the jackscrew in axle sleeve.
As shown in Figure 1, Figure 2 and Figure 3, gas aid system includes feeder 7, annular gas tank 14, ventilating mechanism and trachea 6, ventilating mechanism can be array pore 3 and/or air drain, when array pore 3 is circular, aperture is 0.1-10mm, preferably 0.5-2mm, the spacing of array pore 3 is 1-100mm, preferably 1-10mm；The groove width of air drain is 0.1-10mm, preferably 0.5-2mm.Annular array pore 3 is arranged on outside spinning electrode 4, the gas auxiliary of 0.35MPa-3.5MPa pressure is provided for spinning process, spinning fibre can be played stretching and drawing effect, the volatilization of solvent on accelerating fibers by the air-flow that pore 3 is ejected, and improves spinning efficiency and spinning quality；It is provided with annular gas tank 14, ventilating mechanism and annular gas tank 14 below ventilating mechanism to be separately positioned in upper cover 2 and lower cover 5, by trachea 6, feeder 7 is coupled together with annular gas tank 14.
As shown in Figure 1, Figure 2 and Figure 3, liquid-supplying system includes liquid feed device 8, tube for transfusion 9, liquid-return box 10, liquid back pipe 11 and polyrrhea groove 16.Solution is constantly delivered in a steady stream in spinning electrode 4 by liquid feed device 8 by tube for transfusion 9, when solution increases to a certain degree, solution starts to overflow from the edge of spinning electrode 4 surrounding, polyrrhea groove 16 is arranged on below spinning electrode 4, in order to reclaim the redundant solution of spilling, and by liquid back pipe 11, solution is recovered in liquid-return box 10, liquid-return box 10 can be arranged on below spinning electrode, by action of gravity, the solution that spinning electrode overflows is reclaimed, can also be arranged on elsewhere, form by additionaling power source, the solution that spinning system overflows is recovered to liquid-return box 10, achieve devil liquor recovery by liquid-return box 10 to utilize, economize on resources.
As depicted in figs. 1 and 2, collection system includes collection device 1, collection device 1 arranges the passive electrode matched with spinning electrode 4, passive electrode arranges receiving terminal, carries out the collection of spinning；The distance that collection device 1 is positioned between the top of spinning electrode 4, and collection device 1 and spinning electrode 4 is adjustable, it is achieved the controllability that fiber produces.
As shown in Figure 1, Figure 2 and Figure 3, two delivery outlets of high voltage power supply 13 connect with spinning electrode 4 and collection device 1 respectively, produce high-voltage electrostatic field between spinning electrode 4 and collection device 1.Most advanced and sophisticated accumulation effect is produced under the edge high voltage electric field effect of spinning electrode 4, the solution surface being distributed on plate edge accumulation the most therewith is the most, finally breaks through surface tension, forms jet, final deposition cure on collection device 1, thus collect uniform nanofiber.
When using this device to carry out electrostatic spinning, high voltage power supply 13 produces a high-voltage electrostatic field between spinning electrode 4 and collection device, when solution is transported in spinning electrode 4 and reaches a certain amount of by tube for transfusion 9 by liquid feed device 8, solution overflows from the edge of spinning electrode, spinning is started under the effect of high voltage electric field, and the collection of spinning is carried out by collection device 1, the solution simultaneously overflowed is reclaimed by the retracting device 10 of liquid-supplying system, gas auxiliary device is in spinning process, can be with stretching and drawing and gathering spinning fibre, accelerate volatilization and the solidification of fiber of solvent in solution, improve efficiency and the quality of spinning.
This utility model uses circular electrode to carry out electrostatic spinning, compared to other needleless electrostatic spinning apparatus, it is possible to increase substantially yield and the quality of fiber product.The cloth liquid mode of this device is simple and reliable, and apparatus structure is simple, handling ease, it is simple to industrial applications.
Last it is noted that above-described each embodiment is merely to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in previous embodiment still can be modified by it, or wherein part or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of this utility model each embodiment technical scheme.
Claims (10)
1. a circular electrode electrostatic spinning apparatus, including spinning system, liquid-supplying system, collection system and high voltage power supply, described collection system is positioned at the top of described spinning system, and described spinning system includes spinning electrode, described collection system includes passive electrode, it is characterised in that:
Described spinning electrode is disk-like structure, and the transmitting terminal of described disk-like structure is cutting-edge structure, accommodates spinning solution in described disk-like structure；
The shaft core position of described disk-like structure is provided with guide pillar, described disk-like structure be provided above disk cover, described disk cover is movably arranged on described guide pillar, and described disk cover moving up and down on described guide pillar can regulate the distance between described disk cover and described disk-like structure, it is achieved the regulation of solution spill-out.
Circular electrode electrostatic spinning apparatus the most according to claim 1, it is characterised in that: the tip thickness of described disk-like structure is 0.05-20mm or 0.1-5mm.
Circular electrode electrostatic spinning apparatus the most according to claim 1, it is characterised in that: described disk-like structure includes that the dish wing, described dish wing angle of inclination are 90 °-180 ° or 135 °-165 °.
Circular electrode electrostatic spinning apparatus the most according to claim 1, it is characterised in that: described movable mountings can be the form that rack-and-pinion coordinates, internal and external threads coordinates or polished rod axle coordinates with axle sleeve.
Circular electrode electrostatic spinning apparatus the most according to claim 1, it is characterized in that: also include that gas aid system, described gas aid system include feeder, annular gas tank, the trachea coupled together with described annular gas tank by described feeder and be arranged on the ventilating mechanism outside spinning electrode.
Circular electrode electrostatic spinning apparatus the most according to claim 5, it is characterized in that: described spinning system also includes upper cover and lower cover, described ventilating mechanism is array pore and/or air drain, described array pore and/or air drain are arranged on described and cover, described annular gas tank is arranged in described lower cover, and described array pore and/or air drain are connected with described annular gas tank.
Circular electrode electrostatic spinning apparatus the most according to claim 6, it is characterised in that: described air vent aperture is 0.1-10mm or 0.5-2mm and/or described air drain width is 0.1-10mm or 0.5-2mm.
Circular electrode electrostatic spinning apparatus the most according to claim 5, it is characterized in that: described liquid-supplying system includes liquid feed device, tube for transfusion, liquid-return box, liquid back pipe and polyrrhea groove, solution is transported in described spinning electrode by described liquid feed device by tube for transfusion, described polyrrhea groove is arranged on below spinning electrode, in order to reclaim the redundant solution of spilling, and by liquid back pipe, solution is recovered in liquid-return box.
Circular electrode electrostatic spinning apparatus the most according to claim 8, it is characterised in that: described polyrrhea groove is arranged between described spinning electrode and described ventilating mechanism.
Circular electrode electrostatic spinning apparatus the most according to claim 1, it is characterised in that: described cutting-edge structure is triangular structure, conic linear structure or tractrix shape structure, and described tip portion is continuous structure or laciniation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281951.5U CN205443522U (en) | 2016-04-06 | 2016-04-06 | Circular electrode electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281951.5U CN205443522U (en) | 2016-04-06 | 2016-04-06 | Circular electrode electrostatic spinning device |
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| Publication Number | Publication Date |
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| CN205443522U true CN205443522U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620281951.5U Withdrawn - After Issue CN205443522U (en) | 2016-04-06 | 2016-04-06 | Circular electrode electrostatic spinning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671658A (en) * | 2016-04-06 | 2016-06-15 | 佛山轻子精密测控技术有限公司 | Electrostatic spinning device using circular electrode |
| CN108950702A (en) * | 2018-07-17 | 2018-12-07 | 浙江农林大学暨阳学院 | A kind of self-priming electric spinning equipment and fibrofelt preparation method |
-
2016
- 2016-04-06 CN CN201620281951.5U patent/CN205443522U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671658A (en) * | 2016-04-06 | 2016-06-15 | 佛山轻子精密测控技术有限公司 | Electrostatic spinning device using circular electrode |
| CN105671658B (en) * | 2016-04-06 | 2017-11-03 | 佛山轻子精密测控技术有限公司 | A kind of circular electrode electrostatic spinning apparatus |
| CN108950702A (en) * | 2018-07-17 | 2018-12-07 | 浙江农林大学暨阳学院 | A kind of self-priming electric spinning equipment and fibrofelt preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20171103 |