CN111005077A - Core-string type multi-needle electrostatic spinning nozzle and electrostatic spinning device - Google Patents
Core-string type multi-needle electrostatic spinning nozzle and electrostatic spinning device Download PDFInfo
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- CN111005077A CN111005077A CN201911214897.7A CN201911214897A CN111005077A CN 111005077 A CN111005077 A CN 111005077A CN 201911214897 A CN201911214897 A CN 201911214897A CN 111005077 A CN111005077 A CN 111005077A
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- Prior art keywords
- needle
- electrostatic spinning
- nozzle
- type multi
- electrode plate
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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
-
- 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
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
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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
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a string core type multi-needle electrostatic spinning spray head and an electrostatic spinning device, wherein a liquid inlet device is a shell made of insulating materials, a solution channel is arranged in the shell, and a plurality of spray opening holes vertical to the solution channel are formed in the shell; the spinning injection device comprises an electrode plate and a discharge needle arranged on the electrode plate, and the discharge needle is provided with a needle point; the shell is installed on the electrode plate, and the discharge needle is connected with the inner wall of the nozzle hole in a clearance fit mode. The string core type multi-needle electrostatic spinning nozzle provided by the invention adopts the discharge needle, is convenient to clean, and adopts a mode of combining the discharge needle and the nozzle hole, so that the solution is prevented from being exposed outside, and the waste is reduced; and the stable and rapid injection of multiple nozzles can improve the electrostatic spinning efficiency and the electrostatic spinning nanofiber quality.
Description
Technical Field
The invention belongs to the technical field of electrostatic spinning, and particularly relates to a core-string type multi-needle electrostatic spinning nozzle and an electrostatic spinning device.
Background
Electrostatic spinning is one of the most effective ways for preparing nano-fiber materials, and compared with the preparation technologies of nano-materials such as a drawing method, a template synthesis method and self-assembly, the electrostatic spinning has the advantages of simple operation, short preparation process, wide material selection and the like. Compared with the traditional textile fiber material, the nanofiber material has many characteristics which are difficult to be shown under large scale due to the extremely small scale, such as obvious surface and interface effect, special small-size effect, extremely large specific surface area, extremely high porosity and the like. Therefore, the nanofiber material has wider application fields, such as air filtration, oil-water separation, medical auxiliary materials, tissue engineering scaffolds and the like, and plays a role in attracting attention of the whole industry, so that the nanofiber material has very bright application prospects.
The batch electrostatic spinning device is utilized to prepare the nano-fibers, so that the industrialization of nano-fiber preparation is facilitated, two types of electrostatic spinning spray heads are adopted in the traditional electrostatic spinning device, one type is a needle tube type spray head, the other type is an open type spray head, the needle tube type spray head is difficult to clean, the spinning efficiency is lower, the open type solution is exposed outside and volatilizes quickly, and the solution is wasted.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the core-string type multi-needle electrostatic spinning spray head and the electrostatic spinning device, and the spray head is convenient to disassemble and wash and does not have the phenomenon of solution waste.
The invention adopts the specific technical scheme that:
a cluster core type multi-needle electrostatic spinning nozzle comprises:
the device comprises a shell made of insulating materials, a solution channel and a plurality of nozzle holes, wherein the solution channel is arranged in the shell and is vertical to the solution channel;
the spinning injection device comprises an electrode plate and a discharge needle arranged on the electrode plate, and the discharge needle is provided with a needle point;
the shell is installed on the electrode plate, and the discharge needle is connected with the inner wall of the nozzle hole in a clearance fit mode.
In order to better realize the invention, the discharge needle head is in clearance fit connection with the inner wall of the nozzle hole, the discharge needle head penetrates through the nozzle hole, and a gap is reserved between the discharge needle head and the inner wall of the nozzle hole.
For a better realisation of the invention, the discharge needle is solid.
In order to better realize the invention, the string core type multi-needle electrostatic spinning spray head is cuboid or cylindrical.
In order to better implement the invention, the discharge needles are arranged on the electrode plates in a linear array or a circumferential array or a curve array.
In order to better implement the invention, the liquid inlet device is detachably connected with the electrode plate.
Correspondingly, the invention also provides a string core type multi-needle electrostatic spinning device which comprises the electrostatic spinning spray head.
In order to better implement the present invention, the electrospinning device further comprises:
a liquid supply device communicated with the solution channel through a conduit;
the anode of the high-voltage power supply is connected with the electrode plate, and the cathode of the high-voltage power supply is grounded;
a collector plate, grounded, for mounting a substrate.
In order to better implement the present invention, the electrospinning device further comprises:
a liquid supply device communicated with the solution channel through a conduit;
a collector plate for mounting a substrate;
the anode of the high-voltage power supply is connected with the collecting plate, and the cathode of the high-voltage power supply is grounded;
the electrode plate is grounded.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the traditional needle tube type spray head, a solution enters a needle head and is sprayed out through a needle point for spinning, the cleaning is difficult, the spinning efficiency is low, the spray head is easy to block during use, and the normal operation of production is influenced.
2. The needle head is arranged on the electrode plate, the electrode plate is connected with the shell, so that the solution is prevented from being exposed outside, the solution volatilization is reduced, the waste is reduced, the needle head is directly connected with the electrode plate, the transmission distance is short, the stable and quick injection of the solution can be realized, and the electrostatic spinning efficiency is improved.
3. The string core type multi-needle electrostatic spinning nozzle provided by the invention adopts the discharge needle, is convenient to clean, and adopts a mode of combining the discharge needle and the nozzle hole, so that the solution is prevented from being exposed outside, and the waste is reduced; and the stable and rapid injection of multiple nozzles can improve the electrostatic spinning efficiency and the electrostatic spinning nanofiber quality.
Drawings
FIG. 1 and FIG. 2 are connection diagrams of a core-string type multi-needle electrostatic spinning device according to the present invention;
FIG. 3 is a schematic view of a linear array core-string type multi-needle electrospinning nozzle according to the present invention;
FIG. 4 and FIG. 5 are schematic views of a circumferential array core-string type multi-needle electrospinning nozzle according to the present invention;
in the figure: 1. a discharge needle; 2. a spout hole; 3. a housing; 4. a solution channel; 5. a liquid supply device; 6. a high voltage power supply; 7. an electrode plate; 8. a collection plate; 9. a conduit.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Example 1
Referring to fig. 1, the present embodiment provides a core-string type multi-needle electrostatic spinning nozzle, which is rectangular and includes: the device comprises a shell 3 made of insulating materials, wherein a solution channel 4 is arranged in the shell 3, and a plurality of nozzle holes 2 vertical to the solution channel 4 are formed in the shell; spinning injection apparatus, spinning injection apparatus includes plate electrode 7 and sets up discharge needle 1 on plate electrode 7, as shown in fig. 3, discharge needle 1 is linear array on plate electrode 7, and casing 3 installs on plate electrode 7, and discharge needle 1 on plate electrode 7 passes the center in nozzle hole 2, and nozzle hole 2 is worn out to discharge needle 1 needle point portion, and the needle can be solid, also can be the hollow needle that traditional spinning nozzle used (because of the bottom is closed by the plate electrode).
Example 2
Referring to fig. 4 to 5, the basic structure of this embodiment is substantially the same as that of embodiment 1, except that the electrospinning nozzle has a cylindrical shape and the discharge needles 1 are circumferentially arranged on the electrode plate 7
Example 3
Referring to fig. 1, the embodiment provides a core-string type multi-needle electrostatic spinning device, including the electrostatic spinning nozzle described in embodiment 1, 2 or 3, further including a liquid supply device 5, a high voltage power supply 6 and a collecting plate 8, where the liquid supply device 5 is communicated with a solution channel 4 through a conduit 9; the positive electrode of the high-voltage power supply 6 is connected with the electrode plate 7, and the negative electrode of the high-voltage power supply 6 is grounded; the collection plate is grounded for mounting the substrate.
When the device works, a solution enters the solution channel 4 through the guide pipe under the quantitative conveying of the liquid supply device and flows to each nozzle hole 2, a liquid bag is raised at the needle point of the discharge needle 1, the other end of the discharge needle 1 is connected with the electrode plate 7, the electrode plate 7 is connected with the high-voltage power supply, and at the moment, the needle point of the discharge needle 1 carries high-voltage charges to discharge to the grounded collecting plate to drive liquid drops at the needle point to be sprayed to the collecting plate to form nano spinning.
Example 4
Referring to fig. 2, the embodiment provides a core-string type multi-needle electrostatic spinning device, including the electrostatic spinning nozzle described in embodiment 1 or 2, further including a liquid supply device 5, a high voltage power supply 6 and a collecting plate 8, where the liquid supply device 5 is communicated with the solution channel 4 through a conduit 9; the collecting plate 8 is used for mounting a substrate; the positive pole of the high-voltage power supply 6 is connected with the collecting plate 8, the negative pole of the high-voltage power supply 6 is grounded, and the electrode plate 7 is grounded.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.
Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a cluster core formula many syringe needles electrostatic spinning shower nozzle which characterized in that includes:
the device comprises a shell made of insulating materials, a solution channel and a plurality of nozzle holes, wherein the solution channel is arranged in the shell and is vertical to the solution channel;
the spinning injection device comprises an electrode plate and a discharge needle arranged on the electrode plate, and the discharge needle is provided with a needle point;
the shell is installed on the electrode plate, and the discharge needle is connected with the inner wall of the nozzle hole in a clearance fit mode.
2. The cluster core type multi-needle electrostatic spinning nozzle as claimed in claim 1, wherein the discharge needle is in clearance fit connection with the inner wall of the nozzle hole, the discharge needle penetrates through the nozzle hole, and a gap is left between the discharge needle and the inner wall of the nozzle hole.
3. The cluster core multi-needle electrospinning nozzle of claim 1, wherein the discharge needles are solid.
4. The cluster core type multi-needle electrospinning nozzle of claim 1, wherein the cluster core type multi-needle electrospinning nozzle is rectangular or cylindrical.
5. The cluster core type multi-needle electrospinning nozzle of claim 1, wherein the discharge needles are arranged in a linear array or a circumferential array or a curved array on the electrode plates.
6. The cluster core type multi-needle electrostatic spinning spray head of claim 1, wherein the liquid inlet device is detachably connected with an electrode plate.
7. A string core type multiple needle electrostatic spinning device, characterized in that, it comprises the electrostatic spinning nozzle of any claim 1-6.
8. The string core type multi-needle electrostatic spinning device according to claim 7, further comprising:
a liquid supply device communicated with the solution channel through a conduit;
the anode of the high-voltage power supply is connected with the electrode plate, and the cathode of the high-voltage power supply is grounded;
a collector plate, grounded, for mounting a substrate.
9. The string core multi-needle electrospinning apparatus of claim 8, further comprising:
a liquid supply device communicated with the solution channel through a conduit;
a collector plate for mounting a substrate;
the anode of the high-voltage power supply is connected with the collecting plate, and the cathode of the high-voltage power supply is grounded;
the electrode plate is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214897.7A CN111005077A (en) | 2019-12-02 | 2019-12-02 | Core-string type multi-needle electrostatic spinning nozzle and electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214897.7A CN111005077A (en) | 2019-12-02 | 2019-12-02 | Core-string type multi-needle electrostatic spinning nozzle and electrostatic spinning device |
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| CN111005077A true CN111005077A (en) | 2020-04-14 |
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| CN201911214897.7A Pending CN111005077A (en) | 2019-12-02 | 2019-12-02 | Core-string type multi-needle electrostatic spinning nozzle and electrostatic spinning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703553A (en) * | 2022-03-28 | 2022-07-05 | 聚纳达(青岛)科技有限公司 | Solution jet spinning device for forming nano fibers |
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| CN204570100U (en) * | 2015-03-19 | 2015-08-19 | 广东工业大学 | A kind of interchange electrostatic spinning apparatus |
| CN106119995A (en) * | 2016-09-02 | 2016-11-16 | 天津工业大学 | A kind of solid syringe needle electrostatic spinning apparatus |
| CN206428353U (en) * | 2017-01-24 | 2017-08-22 | 厦门大学 | One kind vibration Multi-tip electrostatic spinning apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126179A (en) * | 2007-09-25 | 2008-02-20 | 江西师范大学 | High-speed air-blowing static spinning composite preparation method and device for ultra-fine polymer fibre |
| CN103757718A (en) * | 2014-01-26 | 2014-04-30 | 东华大学 | Flat plate free liquid level coaxial electrostatic spinning method and device |
| CN204570100U (en) * | 2015-03-19 | 2015-08-19 | 广东工业大学 | A kind of interchange electrostatic spinning apparatus |
| CN106119995A (en) * | 2016-09-02 | 2016-11-16 | 天津工业大学 | A kind of solid syringe needle electrostatic spinning apparatus |
| WO2018111832A1 (en) * | 2016-12-12 | 2018-06-21 | Nanopareil, Llc | Spinnerets and spinneret arrays for electrospinning and electrospinning machines |
| CN206428353U (en) * | 2017-01-24 | 2017-08-22 | 厦门大学 | One kind vibration Multi-tip electrostatic spinning apparatus |
| WO2019103973A1 (en) * | 2017-11-21 | 2019-05-31 | Kao Corporation | Electrospinning apparatus and system and method thereof |
| CN108193290A (en) * | 2017-12-29 | 2018-06-22 | 厦门大学 | A kind of high-efficiency nano fibre device for spinning |
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| CN114703553A (en) * | 2022-03-28 | 2022-07-05 | 聚纳达(青岛)科技有限公司 | Solution jet spinning device for forming nano fibers |
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Application publication date: 20200414 |