CN210856421U - Centrifugal electrostatic spinning device - Google Patents
Centrifugal electrostatic spinning device Download PDFInfo
- Publication number
- CN210856421U CN210856421U CN201920939610.6U CN201920939610U CN210856421U CN 210856421 U CN210856421 U CN 210856421U CN 201920939610 U CN201920939610 U CN 201920939610U CN 210856421 U CN210856421 U CN 210856421U
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- Prior art keywords
- storage tank
- liquid storage
- centrifugal
- driving
- receiving net
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- 238000010041 electrostatic spinning Methods 0.000 title abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 238000009987 spinning Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000001523 electrospinning Methods 0.000 claims description 10
- 239000002121 nanofiber Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 11
- 229920000642 polymer Polymers 0.000 description 7
- 239000002131 composite material Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003434 inspiratory effect Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model discloses a centrifugal electrostatic spinning device, include: the spinning solution heating device comprises a high-voltage power supply, a driving device, a feeding device, a receiving net, a heating device, a liquid storage tank and a spray head, wherein conical spray heads are arranged at two ends of the liquid storage tank, a conical small-diameter end of each spray head is connected with the liquid storage tank, one receiving net is arranged on each side opposite to a conical large-diameter end of each spray head, a feed inlet of the liquid storage tank is connected with the feeding device, the liquid storage tank is connected with the high-voltage power supply through a spring, the heating device is arranged below the liquid storage tank, and the heating device is used for heating spinning solution in the liquid storage tank; the liquid storage tank is connected with the driving device, the driving device is used for driving the liquid storage tank to rotate in the direction perpendicular to the receiving net, and the receiving net is of a planar structure. Adopt the utility model discloses can solve among the prior art nanofiber distribute the inequality on receiving arrangement and electrostatic spinning's inefficiency problem.
Description
Technical Field
The utility model relates to an electrostatic spinning technical field especially relates to a centrifugal electrostatic spinning device.
Background
The polymer nanofiber and the composite material thereof have the advantages of excellent high porosity, high specific surface area, good ductility and the like, and therefore, the polymer nanofiber and the composite material thereof are paid more and more attention to various industries. The existing polymer micro-nanofiber preparation technology mainly comprises a template polymerization method, a phase separation method, a self-assembly method and a spinning processing method, wherein the spinning processing method comprises a melt-blowing method, an electrostatic spinning method, a centrifugal spinning method, a bi-component composite spinning method and the like.
Wherein, centrifugal spinning is a traditional spinning technology for preparing superfine fiber by throwing polymer melt out of pores by means of centrifugal force and shearing force generated by a high-speed rotating device, and the centrifugal spinning device is characterized in that the centrifugal force generated by the rotation of the spinning device is utilized for spinning, so that the spinning efficiency is high.
The patent "a centrifugal electrostatic spinning device with rotatory inspiratory" (CN201610057282.8) provides a centrifugal electrostatic spinning device with rotatory inspiratory, because there is the defect in the structure for the nanofiber that evolves by the spinning efflux on the receiving arrangement distributes unevenly, and the nanofiber membrane homogeneity that makes is not good, and electrostatic spinning's efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a centrifugal electrostatic spinning device to solve among the prior art nanofiber and distribute the problem of inhomogeneous and electrostatic spinning's inefficiency on receiving arrangement.
In order to achieve the above object, the utility model provides a following scheme:
a centrifugal electrospinning device comprising: the spinning solution heating device comprises a high-voltage power supply, a driving device, a feeding device, a receiving net, a heating device, a liquid storage tank and a spray head, wherein conical spray heads are arranged at two ends of the liquid storage tank, a conical small-diameter end of each spray head is connected with the liquid storage tank, one receiving net is arranged on each side opposite to a conical large-diameter end of each spray head, a feed inlet of the liquid storage tank is connected with the feeding device, the liquid storage tank is connected with the high-voltage power supply through a spring, the heating device is arranged below the liquid storage tank, and the heating device is used for heating spinning solution in the liquid storage tank; the liquid storage tank is connected with the driving device, the driving device is used for driving the liquid storage tank to rotate in the direction perpendicular to the receiving net, and the receiving net is of a planar structure.
Optionally, the spinning solution storage device further comprises a liquid level meter which is arranged in the liquid storage tank and used for measuring the storage capacity of the spinning solution in the liquid storage tank in real time.
Optionally, the device further comprises a temperature measuring device, which is arranged in the liquid storage tank and used for measuring the temperature of the spinning solution in the liquid storage tank in real time.
Optionally, the driving device includes a motor, a gear transmission assembly, a driving shaft, and a centrifugal rotating shaft located below the liquid storage tank, an output shaft of the motor is connected to the driving shaft, the driving shaft is connected to the centrifugal rotating shaft through the gear transmission assembly, the gear transmission assembly is located below the centrifugal rotating shaft, and the centrifugal rotating shaft is connected to the liquid storage tank.
Optionally, the centrifugal rotating shaft is a hollow pipe body.
Optionally, a plurality of filament outlet holes are arranged at the conical large-diameter end of the liquid storage tank, the filament outlet holes are uniformly distributed, and the distance between every two adjacent filament outlet holes is 1-20 mm.
Optionally, the diameter of each filament outlet hole is 20-60 mm.
Optionally, the receiving net is located on the support, and the support is grounded.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model provides a centrifugal electrostatic spinning device, the planar structure of the receiving net ensures that the uniformity of the manufactured nanofiber membrane is good, and the multi-nozzle emission is realized through the special design of the liquid storage tank, thereby greatly improving the efficiency of electrostatic spinning; the polymer electrostatic spinning fiber is ultra-refined by the combined action of centrifugal force and electrostatic force, and the electrostatic spinning quality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic diagram of the centrifugal electrostatic spinning device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a centrifugal electrostatic spinning device to solve among the prior art nanofiber and distribute the problem of inhomogeneous and electrostatic spinning's inefficiency on receiving arrangement.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Fig. 1 is a schematic diagram of the centrifugal electrostatic spinning device of the present invention. As shown in fig. 1, a centrifugal electrospinning device comprises: the spinning solution heating device comprises a high-voltage power supply 1, a driving device 2, a feeding device 3, a receiving net 4, a heating device 5, a liquid storage tank 6, a liquid level meter 7, a temperature measuring device 8, a spray head 9 and a support 11, wherein conical spray heads 9 are arranged at two ends of the liquid storage tank 6, the conical small-diameter ends of the spray heads 9 are connected with the liquid storage tank 6, one receiving net 4 is arranged on each surface opposite to the conical large-diameter end of each spray head 9, a feed inlet of the liquid storage tank 6 is connected with the feeding device 3, the liquid storage tank 6 is connected with the high-voltage power supply 1 through a spring 10, a heating device is arranged below the liquid storage tank 6, and the heating device is used for heating the spinning solution; the liquid storage tank 6 is connected with the driving device 2, the driving device 2 is used for driving the liquid storage tank 6 to rotate in a direction perpendicular to the receiving net 4, and the receiving net 4 is of a planar structure.
And the liquid level meter 7 is arranged in the liquid storage tank 6 and is used for measuring the storage capacity of the spinning solution in the liquid storage tank in real time. And the temperature measuring device 8 is arranged in the liquid storage tank 6 and is used for measuring the temperature of the spinning solution in the liquid storage tank in real time. The receiving net 4 is positioned on the bracket 11, the bracket 11 is a metal bracket, and the metal bracket is grounded. The conductive receiving mesh is mounted on a metal holder and the holder 11 is grounded, so that a high voltage electrostatic field is formed between the receiving device and the centrifugal spinning nozzle.
The driving device 2 comprises a motor 21, a gear transmission assembly 22, a driving shaft 23 and a centrifugal rotating shaft 24 positioned below the liquid storage tank 6, wherein an output shaft of the motor 21 is connected with the driving shaft 23, the driving shaft 23 is connected with the centrifugal rotating shaft 24 through the gear transmission assembly 22, the gear transmission assembly 22 is positioned below the centrifugal rotating shaft 24, and the upper part of the centrifugal rotating shaft 24 is connected with the liquid storage tank 6. The centrifugal rotating shaft 24 is a hollow pipe body. The driving device 2 is a power source for centrifugal spinning of the nozzle 9, the driving shaft 23 and the driving gear in the gear transmission assembly 22 rotate coaxially, and the driven gear and the centrifugal rotating shaft 24 rotate coaxially; when the motor 21 drives the driving shaft 23 and the driving gear on the driving shaft 23 to rotate, the driven gear engaged with the driving gear will follow the rotation, so that the centrifugal rotating shaft 24 will make a circular motion, which is the motion process of the whole driving device 2.
The conical large-diameter end of the liquid storage tank 6 is provided with a plurality of filament outlet holes, the filament outlet holes are uniformly distributed, and the distance between every two adjacent filament outlet holes is 1-20 mm. The diameter of each filament outlet hole is 20-60 mm.
The temperature measuring device 8 is composed of a thermocouple directly inserted into the liquid storage tank 6, and the thermocouple is fixed on the feeding part and does not rotate along with the liquid storage tank. The supply device 3 is a small extruder which supplies the reservoir 6 with the polymer melt and may also be a pump which supplies the reservoir 6 with the spinning solution, which may be spun or spun.
The centrifugal electrostatic spinning device of the utility model sets the receiving net into a plane structure, so that the uniformity of the manufactured nanofiber membrane is good, and the multi-nozzle emission is realized through the special design of the liquid storage tank, thereby greatly improving the efficiency of electrostatic spinning; the polymer electrostatic spinning fiber is superfine by the combined action of centrifugal force and electrostatic force, and the electrostatic spinning quality is improved
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A centrifugal electrospinning device, comprising: the spinning solution heating device comprises a high-voltage power supply, a driving device, a feeding device, a receiving net, a heating device, a liquid storage tank and a spray head, wherein conical spray heads are arranged at two ends of the liquid storage tank, a conical small-diameter end of each spray head is connected with the liquid storage tank, one receiving net is arranged on each side opposite to a conical large-diameter end of each spray head, a feed inlet of the liquid storage tank is connected with the feeding device, the liquid storage tank is connected with the high-voltage power supply through a spring, the heating device is arranged below the liquid storage tank, and the heating device is used for heating spinning solution in the liquid storage tank; the liquid storage tank is connected with the driving device, the driving device is used for driving the liquid storage tank to rotate in the direction perpendicular to the receiving net, and the receiving net is of a planar structure.
2. The centrifugal electrospinning device of claim 1, further comprising a level gauge disposed in the reservoir for measuring in real time the storage volume of the spinning solution in the reservoir.
3. The centrifugal electrospinning device of claim 1, further comprising a temperature measuring device disposed in the reservoir for measuring the temperature of the spinning solution in the reservoir in real time.
4. The centrifugal electrospinning device of claim 1, wherein the driving device comprises a motor, a gear transmission assembly and a driving shaft, and a centrifugal rotating shaft located below the liquid storage tank, an output shaft of the motor is connected with the driving shaft, the driving shaft and the centrifugal rotating shaft are connected through the gear transmission assembly, the gear transmission assembly is located below the centrifugal rotating shaft, and the upper part of the centrifugal rotating shaft is connected with the liquid storage tank.
5. The centrifugal electrospinning device of claim 4, wherein the centrifugal rotating shaft is a hollow tube.
6. The centrifugal electrospinning device of claim 1, wherein the conical large-diameter end of the nozzle is provided with a plurality of filament outlets, the filament outlets are uniformly distributed, and the distance between two adjacent filament outlets is 1-20 mm.
7. The centrifugal electrospinning device of claim 6, wherein the diameter of each filament outlet hole is 20 to 60 mm.
8. The centrifugal electrospinning apparatus of claim 1, further comprising a support on which the receiving web is located, the support being grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939610.6U CN210856421U (en) | 2019-06-21 | 2019-06-21 | Centrifugal electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939610.6U CN210856421U (en) | 2019-06-21 | 2019-06-21 | Centrifugal electrostatic spinning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210856421U true CN210856421U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920939610.6U Expired - Fee Related CN210856421U (en) | 2019-06-21 | 2019-06-21 | Centrifugal electrostatic spinning device |
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| Country | Link |
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| CN (1) | CN210856421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850422A (en) * | 2022-05-16 | 2022-08-05 | 北京化工大学 | Method for preparing metal micro-nano fibers through centrifugal melt electrostatic spinning |
-
2019
- 2019-06-21 CN CN201920939610.6U patent/CN210856421U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850422A (en) * | 2022-05-16 | 2022-08-05 | 北京化工大学 | Method for preparing metal micro-nano fibers through centrifugal melt electrostatic spinning |
| CN114850422B (en) * | 2022-05-16 | 2023-02-28 | 北京化工大学 | Method for preparing metal micro-nano fibers through centrifugal melt electrostatic spinning |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |