CN203360644U - Electrostatic-air-injection combined spinning spraying head - Google Patents
Electrostatic-air-injection combined spinning spraying head Download PDFInfo
- Publication number
- CN203360644U CN203360644U CN 201320336336 CN201320336336U CN203360644U CN 203360644 U CN203360644 U CN 203360644U CN 201320336336 CN201320336336 CN 201320336336 CN 201320336336 U CN201320336336 U CN 201320336336U CN 203360644 U CN203360644 U CN 203360644U
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- spraying head
- electrostatic
- air inlet
- air
- inlet assembly
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Abstract
The utility model discloses a spinning spraying head, and provides an electrostatic-air-injection combined spinning spraying head. The electrostatic-air-injection combined spinning spraying head comprises a spraying head body, an up-down-through feeding opening and an up-down-through air inlet assembly, wherein the feeding opening is formed between the two ends of the top of the spraying head body, and the air inlet assembly is formed in the periphery of the feeding opening in the spraying head body in a slant mode. The electrostatic-air-injection combined spinning spraying head has the advantages that continuous air injection is achieved through the air inlet assembly with the gradient in the electrostatic spinning process, therefore, an electrostatic field is enlarged, originally-sprayed-out liquid silk will be scattered to be divided into thinner liquid silk, and finally the liquid silk is received by a receiving device to form thinner nanoscale fibers.
Description
Technical field
The utility model relates to a kind of spinning nozzle.
Background technology
Be accompanied by the persistently overheating of nanometer technology, electrostatic spinning can be prepared nano level fiber because of it becomes one of focus of current research.Electrostatic spinning is a kind ofly stretched to polymer solution by means of the high voltage electric field effect, prepares a kind of technology of bigger serface, high porosity, high surface energy and high-activity nano fiber.Electrostatic spinning, because its manufacturing equipment is simple, the spinning cost is lower, can spin the plurality of advantages such as the material scope is wide, technological process is controlled, has become one of main path that effectively prepares nano-fiber material now.In the electrostatic spinning process, polymeric liquid is joined in shower nozzle, apply a high-voltage electrostatic field between shower nozzle and receiving system, shower nozzle is generally metal material, and same sex electric charge will be assembled in polymer solution.Because mutual repulsion and the surface charge of same sex electric charge are shunk to opposite electrode, produce an electric field contrary with surface tension.And, when the size of electric field equals the surface tension of polymer solution, polymer solution will reach balance at shower nozzle; Along with the increase of voltage, when electric field force increases to the surface tension that can overcome solution, polymer will eject and form a polymeric spray stream from shower nozzle, and this polymeric spray stream is emitted to receiving system, can obtain fiber.
Yet because shower nozzle is hardware, and directly contact with polymer solution, need additional very large voltage just can produce the surface tension electric field that is greater than polymer solution, and applied voltage is less, the fibre diameter obtained is just less, conflicting.Therefore need to provide a kind of applied voltage little, can spin again the very shower nozzle of fine fibre.
The utility model content
The purpose of this utility model is to provide a kind of static-jet in conjunction with spinning nozzle, for overcoming above-mentioned the deficiencies in the prior art.
Static described in the utility model-jet in conjunction with spinning nozzle is characterized in that comprising:
Nozzle body;
Be arranged between two ends, nozzle body top and the feeding mouth of up/down perforation;
Be distributed in air inlet assembly around feeding mouth on nozzle body, up/down perforation, that tilt;
Compared with prior art, the beneficial effects of the utility model are: in the electrostatic spinning process because the air inlet assembly by having gradient is jet continuously, make electrostatic field enlarge, originally the brin of ejection will flash and resolve into thinner brin, and finally received device receives and forms thinner nano-scale fiber.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The top view that Fig. 2 is Fig. 1.
The specific embodiment
As shown in Fig. 1～2, static described in the utility model-jet in conjunction with spinning nozzle comprises:
Be arranged between nozzle body 1 two ends, top and the feeding mouth 2 of up/down perforation;
Be distributed in air inlet assembly 3 around feeding mouth 2 on nozzle body, up/down perforation, that tilt;
Preferably, described feeding mouth 2 is arranged on the middle of nozzle body 1;
Preferably, the inlet channel that described air inlet assembly 3 is 0.2～0.3mm by two radiuses forms;
Preferably, the quantity of described air inlet assembly 3 is 2～8 groups;
Preferably, the inclined angle alpha of described air inlet assembly 3 is 50～70 °;
Preferably, feeding mouth 2 is 2～3mm with the centre distance of air inlet assembly 3;
Preferably, the angle of inclination beta between two inlet channels is 8～12 degree;
During use, feeding mouth snaps on conductive equipment, and the air inlet assembly is connected with liquid nitrogen bottle, in energising simultaneously, open feeder, pass into nitrogen, in the electrostatic spinning process, because the air inlet assembly has gradient, jet continuously, make electrostatic field enlarge, the brin of ejection will flash and resolve into thinner brin originally, and finally received device receives and forms thinner nano-scale fiber.
Claims (7)
1. static-jet in conjunction with spinning nozzle, is characterized in that, comprising:
Nozzle body (1);
Be arranged between nozzle body (1) two ends, top and the feeding mouth (2) of up/down perforation;
Be distributed in the air inlet assembly (3) that feeding mouth on nozzle body (2) is, up/down perforation, tilt on every side.
2. static according to claim 1-jet in conjunction with spinning nozzle, is characterized in that, described feeding mouth (2) is arranged on the middle of nozzle body (1).
3. static according to claim 1-jet in conjunction with spinning nozzle, is characterized in that, the inlet channel that described air inlet assembly (3) is 0.2～0.3mm by two radiuses forms.
4. static according to claim 3-jet in conjunction with spinning nozzle, is characterized in that, the quantity of described air inlet assembly (3) is 2～8 groups.
5. static according to claim 1-jet in conjunction with spinning nozzle, is characterized in that, feeding mouth (2) is 2～3mm with the centre distance of air inlet assembly (3).
6. static according to claim 3-jet in conjunction with spinning nozzle, is characterized in that, the angle of inclination beta between two inlet channels is 8～12 degree.
7. according to the described static of claim 1～6 any one-jet in conjunction with spinning nozzle, it is characterized in that, the inclined angle alpha of described air inlet assembly (3) is 50～70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320336336 CN203360644U (en) | 2013-06-13 | 2013-06-13 | Electrostatic-air-injection combined spinning spraying head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320336336 CN203360644U (en) | 2013-06-13 | 2013-06-13 | Electrostatic-air-injection combined spinning spraying head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203360644U true CN203360644U (en) | 2013-12-25 |
Family
ID=49808435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320336336 Expired - Lifetime CN203360644U (en) | 2013-06-13 | 2013-06-13 | Electrostatic-air-injection combined spinning spraying head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203360644U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862788A (en) * | 2015-05-27 | 2015-08-26 | 西安工程大学 | Air jet assisting multi-needle electrostatic spinning device and method for preparing nanofiber net through air jet assisting multi-needle electrostatic spinning device |
| WO2020150207A1 (en) * | 2019-01-14 | 2020-07-23 | President And Fellows Of Harvard College | Focused rotary jet spinning devices and methods of use thereof |
-
2013
- 2013-06-13 CN CN 201320336336 patent/CN203360644U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862788A (en) * | 2015-05-27 | 2015-08-26 | 西安工程大学 | Air jet assisting multi-needle electrostatic spinning device and method for preparing nanofiber net through air jet assisting multi-needle electrostatic spinning device |
| WO2020150207A1 (en) * | 2019-01-14 | 2020-07-23 | President And Fellows Of Harvard College | Focused rotary jet spinning devices and methods of use thereof |
| CN113302348A (en) * | 2019-01-14 | 2021-08-24 | 哈佛学院院长等 | Focusing rotary jet spinning device and using method thereof |
| US20220090300A1 (en) * | 2019-01-14 | 2022-03-24 | President And Fellows Of Harvard College | Focused rotary jet spinning devices and methods of use thereof |
| CN113302348B (en) * | 2019-01-14 | 2023-11-14 | 哈佛学院院长等 | Focusing rotary jet spinning device and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |