CN219385414U - Spinning nozzle and electrostatic spinning device - Google Patents
Spinning nozzle and electrostatic spinning device Download PDFInfo
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- CN219385414U CN219385414U CN202222471301.5U CN202222471301U CN219385414U CN 219385414 U CN219385414 U CN 219385414U CN 202222471301 U CN202222471301 U CN 202222471301U CN 219385414 U CN219385414 U CN 219385414U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The embodiment of the application provides a spinning nozzle and an electrostatic spinning device, wherein the spinning nozzle comprises a plurality of first nozzles, a confluence piece and a second nozzle, the first nozzles comprise an inner nozzle and an outer nozzle which are coaxially arranged, the plurality of first nozzles and the confluence piece are positioned in the second nozzle, and an output pipe is arranged corresponding to a second outlet of the second nozzle; the inner spray head rotates around the first axis, so that the interface effect between two spinning solutions in the first spray head is homogenized; the jet flow generated by a plurality of first spray heads is converged by the converging piece, a layer of functional coating material can be added for the jet flow generated by the output pipe of the converging piece through the second spray head, the second spray head rotates around the second axis, and the air flow generated by rotation is accompanied, so that the functional coating can be uniformly covered on the jet flow, and further stretching and homogenization among spinning solutions are facilitated.
Description
Technical Field
The embodiment of the application relates to the field of spinning, but is not limited to, in particular to a spinning nozzle and an electrostatic spinning device.
Background
The electrostatic spinning technology can realize the jet spinning of polymer solution or melt under the action of high-voltage electrostatic field. The existing coaxial electrostatic spinning nozzle can realize uniform injection of two or more jet flows, but due to direct injection, the different spinning solutions cannot fully cooperate, the effect of homogenizing the interaction among different material interfaces cannot be achieved, and the molecular chain orientation cannot be regulated and controlled.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the application provides a spinning nozzle and an electrostatic spinning device.
An embodiment of a first aspect of the present application, a spinning nozzle, comprises:
the first spray heads comprise inner spray heads and outer spray heads which are coaxially arranged, the inner spray heads can rotate around a first axis, and the first axis is the central axis of the inner spray heads;
the converging piece comprises an output pipe and a plurality of branch pipes, the branch pipes are connected with the output pipe, and the branch pipes are connected with a first outlet of the first spray head;
the second shower nozzle, a plurality of first shower nozzle and converging piece are located in the second shower nozzle, the output tube corresponds the second export setting of second shower nozzle, the second shower nozzle can rotate around the second axis, the second axis is the axis of second shower nozzle.
In certain embodiments of the first aspect of the present application, the cross-section of the first spray head decreases gradually from the first inlet of the first spray head to the first outlet direction of the first spray head.
In certain embodiments of the first aspect of the present application, the inner spray head comprises an inner spray head nozzle and an inner spray head storage cavity, the inner spray head nozzle is connected with the branch pipe, and the inner spray head storage cavity is located at one side of the inner spray head away from the branch pipe.
In certain embodiments of the first aspect of the present application, the outer spray head comprises an outer spray head nozzle and an outer spray head storage cavity, the outer spray head nozzle is connected with the branch pipe, and the outer spray head storage cavity is located at one side of the outer spray head away from the branch pipe.
In certain embodiments of the first aspect of the present application, the second nozzle comprises a second nozzle tip and a second nozzle tip storage cavity, the second nozzle tip is provided with the second outlet, and the second nozzle tip storage cavity is located at a side of the second nozzle tip away from the second nozzle tip storage cavity.
An embodiment of a second aspect of the present application, an electrostatic spinning device, includes power, motion platform, collection platform and the spinning nozzle according to the embodiment of the first aspect of the present application, the collection platform sets up on the motion platform, the spinning nozzle is located the top of collection platform, the power with the spinning nozzle the collection platform electricity is connected, the spinning nozzle forms the efflux under the electric field effect.
In certain embodiments of the second aspect of the present application, the motion stage comprises an X-axis motion component for driving the collection stage to move in an X-axis direction and a Y-axis motion component for driving the collection stage to move in a Y-axis direction.
In certain embodiments of the second aspect of the present application, the electrostatic spinning device is provided with a first voltage controller, a second voltage controller and a third voltage controller, the first voltage controller is electrically connected with the inner nozzle of the spinning nozzle, the second voltage controller is electrically connected with the outer nozzle of the spinning nozzle, and the third voltage controller is electrically connected with the second nozzle of the spinning nozzle.
In certain embodiments of the second aspect of the present application, the outside of the electrospinning device is provided with a protective housing made of a transparent material.
In certain embodiments of the second aspect of the present application, the electrostatic spinning device further includes a Z-axis moving part, the Z-axis moving part and the spinning nozzle, and the Z-axis moving part is used for driving the spinning nozzle to move in a Z-axis direction.
The scheme has at least the following beneficial effects: the inner spray head is filled with one spinning solution, the outer spray head is filled with the other spinning solution, and when the first spray head sprays filaments, the inner spray head rotates around the first axis, so that the interface effect between the two spinning solutions in the first spray head is homogenized, and the effect of regulating and controlling the molecular chain orientation can be achieved; the converging piece converges jet flows generated by the first spray heads, and the jet flows of the first spray heads are combined and sprayed at the pipe orifice of the output pipe of the converging piece due to viscoelasticity; the second nozzle is also internally provided with spinning solution, and as a plurality of first nozzles and the converging piece are positioned in the second nozzle, the output pipe is arranged corresponding to the second outlet of the second nozzle, a layer of functional coating material can be added for jet flow generated by the output pipe of the converging piece through the second nozzle, the second nozzle rotates around the second axis and is accompanied with air flow generated by rotation, so that the functional coating can be uniformly covered on the jet flow, and further stretching and interface effect homogenization among the spinning solutions are facilitated.
Drawings
The accompanying drawings are included to provide a further understanding of the technical aspects of the present application, and are incorporated in and constitute a part of this specification, illustrate the technical aspects of the present application and together with the examples of the present application, and not constitute a limitation of the technical aspects of the present application.
FIG. 1 is a block diagram of a spinning nozzle provided in an embodiment of the present application;
FIG. 2 is a block diagram of a first nozzle and a manifold;
FIG. 3 is a block diagram of a second sprinkler;
fig. 4 is a block diagram of an electrostatic spinning device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It should be noted that although functional block division is performed in a device diagram and a logic sequence is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the block division in the device, or in the flowchart. The terms first, second and the like in the description, in the claims and in the above-described figures, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
Embodiments of the present application are further described below with reference to the accompanying drawings.
In an embodiment of the present application, a spinning nozzle 1 is provided.
Referring to fig. 1 to 3, the spinning nozzle 1 includes a plurality of first nozzles 2, a confluence member 10, and a second nozzle 3.
The first spray head 2 comprises an inner spray head 4 and an outer spray head 5 which are coaxially arranged, wherein the inner spray head 4 can rotate around a first axis, and the first axis is the central axis of the inner spray head 4; the converging piece 10 comprises an output pipe and a plurality of branch pipes, the branch pipes are connected with the output pipe, and the branch pipes are connected with the first outlet 9 of the first spray head 2; the first spray heads 2 and the confluence piece 10 are positioned in the second spray heads 3, the output pipe is arranged corresponding to the second outlet 14 of the second spray heads 3, the second spray heads 3 can rotate around the second axis, and the second axis is the central axis of the second spray heads 3.
In this embodiment, one spinning solution is loaded in the inner nozzle 4, the other spinning solution is loaded in the outer nozzle 5, and when the first nozzle 2 sprays the yarn, the inner nozzle 4 rotates around the first axis, so that the interface effect between the two spinning solutions in the first nozzle 2 is homogenized, and the effect of regulating the molecular chain orientation can be achieved; the converging piece 10 converges the jet flows generated by the plurality of first spray heads 2, and the jet flows of the plurality of first spray heads 2 are combined and sprayed at the pipe orifice of the output pipe of the converging piece 10 due to viscoelasticity; the second nozzle 3 is also internally provided with the spinning solution, as the plurality of first nozzles 2 and the confluence parts 10 are positioned in the second nozzle 3, the output pipe is arranged corresponding to the second outlet of the second nozzle 3, a layer of functional coating material can be added to jet flow generated by the output pipe of the confluence parts 10 through the second nozzle 3, the second nozzle 3 rotates around the second axis, and the air flow generated by the rotation is accompanied, so that the functional coating can be uniformly covered on the jet flow, and further stretching and interface effect homogenization among the spinning solutions are facilitated.
It is understood that the spinning solution can be a liquid material or a granular material.
The inner nozzle 4 may be rotated in a clockwise direction or in a counterclockwise direction. The second nozzle 3 may be rotated clockwise or counterclockwise.
Referring to fig. 2, in certain embodiments of the present application, the cross-section of the first spray head 2 gradually decreases from the first inlet of the first spray head 2 to the first outlet direction of the first spray head 2, which facilitates the formation of the jet.
In certain embodiments of the present application, the inner spray head 4 comprises an inner spray head nozzle and an inner spray head storage cavity, the inner spray head nozzle is connected with the branch pipe, and the inner spray head storage cavity is located at one side of the inner spray head 4 away from the branch pipe. The spinning solution is loaded through the inner nozzle storage cavity, and the spinning solution is sprayed out through the inner nozzle.
In some embodiments of the present application, the outer nozzle 5 includes an outer nozzle tip and an outer nozzle tip storage cavity, the outer nozzle tip being connected to the manifold, the outer nozzle tip storage cavity being located on a side of the outer nozzle tip 5 remote from the manifold. The spinning solution is loaded through the outer nozzle storage cavity, and the spinning solution is sprayed out through the outer nozzle.
The inner nozzle and the outer nozzle form a nozzle 7 of the first nozzle together, and the inner nozzle storage cavity and the outer nozzle storage cavity form a storage cavity 6 of the first nozzle together.
The spinning solution enters the inner spray head storage cavity and the outer spray head storage cavity from the first inlet 8 of the first spray head, and leaves the inner spray head nozzle and the outer spray head nozzle from the first outlet 9 of the first spray head.
Referring to fig. 3, in certain embodiments of the present application, the second spray head 3 includes a second spray head nozzle 13 and a second spray head storage chamber 11, the second spray head nozzle 13 is provided with a second outlet, and the second spray head storage chamber 11 is located at a side of the second spray head 3 remote from the second spray head storage chamber 11. Enters the second nozzle storage cavity 11 through the second inlet 12 of the second nozzle, the second nozzle storage cavity 11 is loaded with the spinning solution, and the spinning solution is sprayed out from the second outlet 14 of the second nozzle through the second nozzle 13.
In another embodiment of the present application, an electrospinning apparatus is provided.
Referring to fig. 4, the electrostatic spinning device comprises a power supply 16, a moving platform 18, a collecting platform 17 and the spinning nozzle 1, wherein the collecting platform 17 is arranged on the moving platform 18, the spinning nozzle 1 is positioned above the collecting platform 17, the power supply 16 is electrically connected with the spinning nozzle 1 and the collecting platform 17, and the spinning nozzle 1 forms jet flow under the action of an electric field.
In this embodiment, the positive and negative electrodes of the power supply 16 are electrically connected to the spinning nozzle 1 and the collecting platform 17, respectively, to form a spinning drawing electric field. The size of the printed spun three-dimensional structure can be controlled by varying the magnitude of the electric field voltage. The deformation of the fiber formed under the control of different voltages is different.
In some embodiments of the present application, the electrostatic spinning device is provided with a first voltage controller, a second voltage controller and a third voltage controller, the first voltage controller is electrically connected with the inner nozzles 4 of the spinning nozzle 1, and the plurality of inner nozzles 4 are respectively controlled by the first voltage controller by independent voltages; the second voltage controller is electrically connected with the outer spray heads 5 of the spinning spray heads 1, and the plurality of outer spray heads 5 are respectively controlled by the second voltage controller in an independent voltage mode; the third voltage controller is electrically connected with the second nozzle 3 of the spinning nozzle 1.
In some embodiments of the present application, the motion stage 18 includes an X-axis motion component 20 and a Y-axis motion component 21, the X-axis motion component 20 being configured to drive the collection stage 17 to move in the X-axis direction, and the Y-axis motion component 21 being configured to drive the collection stage 17 to move in the Y-axis direction. The movement of the collection stage 17 in the horizontal plane can be controlled by the X-axis movement member 20 and the Y-axis movement member 21.
In some embodiments of the present application, the electrostatic spinning device further includes a Z-axis moving part 22, the Z-axis moving part 22 and the spinning nozzle 1, and the Z-axis moving part 22 is used to drive the spinning nozzle 1 to move in the Z-axis direction. The Z-axis moving member 22 can control the electrostatic spinning device to move in the vertical direction.
By the cooperation of the X-axis moving member 20, the Y-axis moving member 21, and the Z-axis moving member 22, a spun three-dimensional structure of various shapes can be formed.
In some embodiments of the present application, the outside of the electrospinning device is provided with a protective housing 19 made of a transparent material. The protective housing 19 plays a role in protecting the internal components, and at the same time, the transparent protective housing 19 is convenient for a user to observe the working condition of the internal electrostatic spinning device.
The shape and size of the printed structure is designed according to the requirements required for printing. The inner head 4 of the first head 2, the outer head 5 of the first head 2, and the second head 3 are filled with the desired dope, and the head assembly and the collecting platform 17 are moved to the start position. The showerhead assembly and collection platform 17 are energized by a power supply 16 such that a high voltage electrostatic field is established between the showerhead assembly and collection platform 17. The inner spray head 4 and the second spray head 3 are controlled to rotate at a preset speed and direction, respectively. Homogenizing the spinning solution of each first nozzle 2 under the action of an interface; when the electric field intensity is higher than the critical value, the spinning solution overcomes the self viscoelasticity and the surface tension to form jet flow, and the jet flow is sprayed out from the inner spray head 4 and the outer spray head 5. The jet flows sprayed by the first spray heads 2 are converged through the converging piece 10; the jet flow emitted from the confluence member 10 and the jet flow emitted from the second nozzle 3 are coaxially emitted, and the plurality of fiber materials are further stretched by the self-rotation action of the second nozzle 3. Meanwhile, the collecting platform 17 moves in the X-Y direction according to the set path to collect spinning, after one layer is printed, the spinning nozzle 1 moves in the Z direction to finish the printing of the next layer, and finally, the printing of the three-dimensional fiber material with multifunction and orientation is realized.
While the preferred embodiments of the present application have been described in detail, the present application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (10)
1. A spinning nozzle, comprising:
the first spray heads comprise inner spray heads and outer spray heads which are coaxially arranged, the inner spray heads can rotate around a first axis, and the first axis is the central axis of the inner spray heads;
the converging piece comprises an output pipe and a plurality of branch pipes, the branch pipes are connected with the output pipe, and the branch pipes are connected with a first outlet of the first spray head;
the second shower nozzle, a plurality of first shower nozzle and converging piece are located in the second shower nozzle, the output tube corresponds the second export setting of second shower nozzle, the second shower nozzle can rotate around the second axis, the second axis is the axis of second shower nozzle.
2. A spinning nozzle according to claim 1, wherein the cross-section of said first nozzle decreases from the first inlet of said first nozzle to the first outlet of said first nozzle.
3. The spinning nozzle of claim 1, wherein said inner nozzle comprises an inner nozzle and an inner nozzle reservoir, said inner nozzle being connected to said manifold, said inner nozzle reservoir being located on a side of said inner nozzle remote from said manifold.
4. The spinning nozzle of claim 1, wherein said outer nozzle comprises an outer nozzle and an outer nozzle reservoir, said outer nozzle being connected to said manifold, said outer nozzle reservoir being located on a side of said outer nozzle remote from said manifold.
5. The spinning nozzle of claim 1, wherein said second nozzle comprises a second nozzle tip and a second nozzle tip storage chamber, said second nozzle tip being provided with said second outlet, said second nozzle tip storage chamber being located on a side of said second nozzle tip remote from said second nozzle tip storage chamber.
6. An electrostatic spinning device, comprising a power supply, a moving platform, a collecting platform and the spinning nozzle according to any one of claims 1 to 5, wherein the collecting platform is arranged on the moving platform, the spinning nozzle is positioned above the collecting platform, the power supply is electrically connected with the spinning nozzle and the collecting platform, and the spinning nozzle forms jet flow under the action of an electric field.
7. An electrospinning apparatus according to claim 6, wherein the moving stage comprises an X-axis moving member for driving the collecting stage to move in the X-axis direction and a Y-axis moving member for driving the collecting stage to move in the Y-axis direction.
8. The electrostatic spinning apparatus of claim 6, wherein the electrostatic spinning apparatus is provided with a first voltage controller electrically connected to the inner nozzle of the spinning nozzle, a second voltage controller electrically connected to the outer nozzle of the spinning nozzle, and a third voltage controller electrically connected to the second nozzle of the spinning nozzle.
9. An electrospinning apparatus according to claim 6, wherein the outer side of the apparatus is provided with a protective housing made of transparent material.
10. The electrospinning apparatus of claim 7, further comprising a Z-axis moving member, the Z-axis moving member being coupled to the spinning jet, the Z-axis moving member being configured to drive the spinning jet to move in a Z-axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222471301.5U CN219385414U (en) | 2022-09-16 | 2022-09-16 | Spinning nozzle and electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222471301.5U CN219385414U (en) | 2022-09-16 | 2022-09-16 | Spinning nozzle and electrostatic spinning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219385414U true CN219385414U (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222471301.5U Active CN219385414U (en) | 2022-09-16 | 2022-09-16 | Spinning nozzle and electrostatic spinning device |
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| Country | Link |
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| CN (1) | CN219385414U (en) |
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- 2022-09-16 CN CN202222471301.5U patent/CN219385414U/en active Active
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