CN220116737U - Centrifugal spinning nozzle assembly for producing composite nanofiber membrane - Google Patents
Centrifugal spinning nozzle assembly for producing composite nanofiber membrane Download PDFInfo
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- CN220116737U CN220116737U CN202320897805.5U CN202320897805U CN220116737U CN 220116737 U CN220116737 U CN 220116737U CN 202320897805 U CN202320897805 U CN 202320897805U CN 220116737 U CN220116737 U CN 220116737U
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- plate
- liquid supply
- composite nanofiber
- nanofiber membrane
- centrifugal
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- 239000002121 nanofiber Substances 0.000 title claims abstract description 39
- 239000012528 membrane Substances 0.000 title claims abstract description 37
- 238000009987 spinning Methods 0.000 title claims abstract description 36
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 229920000642 polymer Polymers 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- -1 bottom plate (1) Substances 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 21
- 239000000463 material Substances 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010041 electrostatic spinning Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model discloses a centrifugal spinning nozzle assembly for producing a composite nanofiber membrane, which relates to the technical field of centrifugal spinning and adopts the following technical scheme: the novel composite nanofiber membrane comprises a bottom plate, a middle plate and a top plate, wherein a bracket is arranged between the bottom plate and the top plate, a liquid supply tank for storing polymer solution needed for producing the composite nanofiber membrane is arranged at the top of the middle plate, a liquid supply pipe is rotatably arranged at the center of the top of the liquid supply tank, a spray head is arranged at the top of the liquid supply pipe, a plurality of spinneret holes are uniformly formed in the side part of the spray head, and the novel composite nanofiber membrane further comprises a centrifugal component for throwing the polymer solution out through centrifugal force and a feeding component for preventing the polymer solution residual material from blocking the spinneret holes, and has the beneficial effects that: suction force can be applied to the spray head, so that air flow is generated at the spinneret orifice, and further solidification and blockage of the polymer solution remainder are effectively prevented.
Description
Technical Field
The utility model relates to the technical field of centrifugal spinning, in particular to a centrifugal spinning nozzle assembly for producing a composite nanofiber membrane.
Background
In recent years, the preparation technology of nanofibers has been advanced, and the main methods for preparing nanofibers include electrostatic spinning technology, centrifugal electrostatic spinning technology, etc., wherein the centrifugal spinning technology refers to centrifugal force and shearing generated by a device for rotating a certain polymer melt at a high speed, the process conditions are different depending on the polymer used, the centrifugal rotation speed is about 500-4000 r/min, and air nozzles with various angles can be arranged outside the spinneret holes to draw and solidify the spun fibers.
In the actual use process of the existing centrifugal spinning nozzle for producing the composite nanofiber membrane, the following defects are found: the polymer solution is inconvenient to be thrown out by centrifugal force at the last time, namely the rest material, and the problem of solidification and blockage of the spinneret orifices exists, and the further improvement is still needed.
Therefore, it is necessary to invent a centrifugal spinning nozzle assembly for producing composite nanofiber membranes.
Disclosure of Invention
The present utility model aims to provide a centrifugal spinning nozzle assembly for producing a composite nanofiber membrane, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a centrifugal spinning shower nozzle subassembly for producing compound nanofiber membrane, including bottom plate, medium plate and roof, be provided with the support between bottom plate, medium plate and the roof, the medium plate top is provided with the liquid feed jar that is used for depositing the required polymer solution of production compound nanofiber membrane, and liquid feed jar top center department rotates and is provided with the liquid feed pipe, and liquid feed pipe top is provided with the shower nozzle, and the shower nozzle lateral part evenly is provided with a plurality of spinning holes, still including being used for the polymer solution to throw away through centrifugal force's centrifugal component and being used for preventing the feeding component of polymer solution surplus material jam spinning hole.
In a preferred embodiment of the utility model, the centrifugal assembly comprises a mounting plate, wherein the top of the mounting plate is vertically and fixedly arranged at the bottom of the top plate, a first servo motor is fixedly arranged at the side part of the mounting plate, and an output shaft of the first servo motor is fixedly connected with a transmission gear.
In a preferred embodiment of the utility model, the surface of the liquid supply pipe is fixedly provided with a driven gear, and the transmission gear is meshed with the driven gear.
In a preferred embodiment of the utility model, the feeding assembly comprises a vertically arranged moving base, the top of the moving base is fixedly arranged at the bottom of the middle plate, the bottom of the moving base is fixedly arranged at the top of the bottom plate, and a second servo motor is fixedly arranged below the inner part of the moving base.
In a preferred embodiment of the utility model, the second output shaft of the servo motor is fixedly connected with a screw rod, the surface of the screw rod is in threaded connection with a moving block, and the left end and the right end of the moving block are in sliding connection with the left side and the right side of the inner wall of the moving base.
In a preferred embodiment of the utility model, the top of the moving block is symmetrically and fixedly connected with a guide rod in a left-right symmetry manner, the guide rod is vertically arranged, a first through hole is formed in the middle of the middle plate, a second through hole is formed in the bottom of the liquid supply tank, and the top end of the guide rod sequentially penetrates through the first through hole and the second through hole.
In a preferred embodiment of the utility model, a push plate is horizontally arranged in the liquid supply tank, the side part of the push plate is attached to the side part of the inner wall of the liquid supply tank, the top end of the guide rod is fixedly arranged at the bottom of the push plate, a rubber sealing gasket is fixedly arranged at the top of the push plate, and the side part of the rubber sealing gasket is attached to the side part of the inner wall of the liquid supply tank.
In a preferred embodiment of the utility model, a feed pipe is arranged at the top end of the side part of the liquid supply tank, and a stop valve is arranged on the pipe body of the feed pipe.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
According to the utility model, through the matched use of the bottom plate, the middle plate, the top plate, the bracket, the liquid supply tank, the spray head, the spinneret orifice, the centrifugal component and the feeding component, the polymer solution required for producing the composite nanofiber membrane can be directly pushed into the spray head and conveniently thrown out by centrifugal force, and finally, namely, when the polymer solution is remained, the feeding component can apply suction force to the spray head, so that air flow is generated at the spinneret orifice, and the solidification and blockage of the spinneret orifice by the polymer solution remained can be effectively prevented.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a front view of the structure of a centrifugal spinning nozzle assembly for producing a composite nanofiber membrane.
Fig. 2 is a structural cross-sectional view of a centrifugal spinning nozzle assembly for producing a composite nanofiber membrane.
Fig. 3 is a perspective view of the structure of the liquid supply pipe and driven gear in the centrifugal spinning nozzle assembly for producing the composite nanofiber membrane.
Fig. 4 is an enlarged view of the structure at a in fig. 2.
Fig. 5 is a cross-sectional perspective view of a liquid supply tank in a centrifugal spinning nozzle assembly for producing a composite nanofiber membrane.
In the figure: 1. a bottom plate; 2. a middle plate; 3. a top plate; 4. a bracket; 5. a liquid supply tank; 6. a feed pipe; 7. a stop valve; 8. a stop valve; 9. a spray head; 10. a spinneret orifice; 11. a mounting plate; 12. a servo motor I; 13. a transmission gear; 14. a driven gear; 15. a moving base; 16. a servo motor II; 17. a screw rod; 18. a moving block; 19. a guide rod; 20. a first through hole; 21. a second through hole; 22. a push plate; 23. and a rubber gasket.
Description of the embodiments
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Example 1: referring to fig. 1-3, the centrifugal spinning nozzle assembly for producing a composite nanofiber membrane provided by the utility model comprises a bottom plate 1, a middle plate 2 and a top plate 3, wherein a bracket 4 is arranged among the bottom plate 1, the middle plate 2 and the top plate 3, a liquid supply tank 5 for storing polymer solution required for producing the composite nanofiber membrane is arranged at the top of the middle plate 2, a feed pipe 6 is arranged at the top end of the side part of the liquid supply tank 5, and a stop valve 7 is arranged on the pipe body of the feed pipe 6, so that a person skilled in the art can firstly add the polymer solution required for producing the composite nanofiber membrane into the liquid supply tank 5 through the feed pipe 6, and under the action of the stop valve 7, the feed pipe 6 can be closed, a liquid supply pipe 8 is rotatably arranged at the center of the top of the liquid supply tank 5, a nozzle 9 is arranged at the top of the liquid supply pipe 8, a plurality of spinning holes 10 are uniformly arranged at the side part of the nozzle 9, and the centrifugal assembly for throwing the polymer solution out through centrifugal force and the feeding assembly for preventing the residual material of the polymer solution from blocking the spinning holes 10 are also included;
the centrifugal component comprises a mounting plate 11, the top of the mounting plate 11 is vertically and fixedly arranged at the bottom of the top plate 3, a first servo motor 12 is fixedly arranged at the side part of the mounting plate 11, a transmission gear 13 is fixedly connected with an output shaft of the first servo motor 12, so that when the first servo motor 12 does work, the transmission gear 13 can be driven to rotate, a driven gear 14 is fixedly arranged on the surface of the liquid supply pipe 8, the transmission gear 13 is meshed with the driven gear 14, when the first servo motor 12 does work to drive the transmission gear 13, the liquid supply pipe 8 and the spray head 9 can be driven to rotate through the driven gear 14, and polymer solution required for producing the composite nanofiber membrane can be thrown out of a spinning nozzle through a plurality of spinning holes 10 under the action of centrifugal force.
The specific practical scene of this embodiment is: firstly, a user can open a stop valve 7, then add a polymer solution required for producing the composite nanofiber membrane into a liquid supply tank 5 through a feed pipe 6, then close the stop valve 7 to prevent the polymer solution from leaking through the feed pipe 6, and then enter a spray head 9 through a liquid supply pipe 8 under the action of a feeding component;
then, a user starts the first servo motor 12, and when the first servo motor 12 works to drive the transmission gear 13 to do work, the driven gear 14 can drive the liquid supply pipe 8 and the spray head 9 to rotate, so that polymer solution required for producing the composite nanofiber membrane can be thrown out of the spinning holes 10 under the action of centrifugal force.
Example 2: referring to fig. 1 and fig. 4-5, the centrifugal spinning nozzle assembly for producing a composite nanofiber membrane provided by the utility model comprises a bottom plate 1, a middle plate 2 and a top plate 3, wherein a bracket 4 is arranged between the bottom plate 1, the middle plate 2 and the top plate 3, a liquid supply tank 5 for storing polymer solution required for producing the composite nanofiber membrane is arranged at the top of the middle plate 2, a feed pipe 6 is arranged at the top end of the side part of the liquid supply tank 5, a stop valve 7 is arranged on the pipe body of the feed pipe 6, a liquid supply pipe 8 is rotatably arranged at the center of the top part of the liquid supply tank 5, a nozzle 9 is arranged at the top part of the liquid supply pipe 8, a plurality of spinning holes 10 are uniformly arranged at the side part of the nozzle 9, and the centrifugal assembly for throwing the polymer solution out through centrifugal force and the feeding assembly for preventing the spinning holes 10 from being blocked by polymer solution residues are further included;
the feeding component comprises a vertically arranged moving base 15, the top of the moving base 15 is fixedly arranged at the bottom of a middle plate 2, the bottom of the moving base 15 is fixedly arranged at the top of a bottom plate 1, a second servo motor 16 is fixedly arranged below the inner part of the moving base 15, the output shaft of the second servo motor 16 is fixedly connected with a screw rod 17, when the second servo motor 16 does work, the screw rod 17 can be driven to rotate forward and backward in the moving base 15, the surface of the screw rod 17 is in threaded connection with a moving block 18, the left end and the right end of the moving block 18 are in sliding connection with the left side and the right end of the inner wall of the moving base 15, so when the second servo motor 16 does work to drive the screw rod 17 to rotate forward and backward, the moving block 18 in threaded connection with the surface of the screw rod 17 can be converted into linear motion from rotary motion, reciprocating lifting motion can be carried out, guide rods 19 are symmetrically and fixedly connected with the left and right ends of the top of the moving block 18, the guide rods 19 are vertically arranged, the middle part of the middle plate 2 is provided with a first through hole 20, the bottom of the liquid supply tank 5 is provided with a second through hole 21, the top end of the guide rod 19 sequentially passes through the first through hole 20 and the second through hole 21, the inside of the liquid supply tank 5 is horizontally provided with a push plate 22, the side part of the push plate 22 is attached to the side part of the inner wall of the liquid supply tank 5, the top end of the guide rod 19 is fixedly arranged at the bottom of the push plate 22, namely, when the movable block 18 moves up and down, the push plate 22 in the liquid supply tank 5 can be driven by the guide rod 19 to do lifting motion, so that polymer solution in the liquid supply tank 5 can be pushed into the spray head 9 through the liquid supply pipe 8, and finally, namely, when the polymer solution is residual, the push plate 22 with up and down reciprocating lifting function can apply suction force to the spray head 9, thereby generating air flow at the position of the spray hole 10, and effectively preventing the polymer solution residual from solidifying and blocking the spray hole 10, the top of the push plate 22 is fixedly provided with a rubber sealing gasket 23, the side part of the rubber sealing gasket 23 is attached to the side part of the inner wall of the liquid supply tank 5, so that the tightness can be ensured, and the structural design is reasonable.
The specific practical scene of this embodiment is: firstly, a user can open the stop valve 7, then add a polymer solution required for producing the composite nanofiber membrane into the liquid supply tank 5 through the feed pipe 6, then close the stop valve 7, prevent the polymer solution from leaking through the feed pipe 6, then start the servo motor II 16 by the user, when the servo motor II 16 works to drive the screw rod 17 to rotate forward and backward, the moving block 18 which is in threaded connection with the surface of the screw rod 17 can be converted into linear motion from rotary motion, and can carry out reciprocating lifting motion, when the moving block 18 moves up and down, the push plate 22 in the liquid supply tank 5 can be driven to carry out lifting motion through the guide rod 19, so that the polymer solution in the liquid supply tank 5 can be pushed into the spray head 9 through the liquid supply pipe 8, and finally, namely, when the polymer solution is in residual material, the push plate 22 with the function of up-down reciprocating lifting can apply suction to the spray head 9, thereby the air flow is generated at the position of the spray hole 10, and the solidification of the polymer solution residual material can be effectively prevented from blocking the spray hole 10.
The working principle of the utility model is as follows: the method comprises the steps that a user firstly adds a polymer solution required by the production of a composite nanofiber membrane into a liquid supply tank 5, then a servo motor II 16 and a servo motor I12 are started, when the servo motor II 16 does work to drive a screw rod 17 to rotate, a moving block 18 which is in threaded connection with the surface of the screw rod 17 can be converted into linear motion from rotational motion, and then lifting motion can be carried out, so that a push plate 22 in the liquid supply tank 5 can be driven by a guide rod 19 to move upwards, the polymer solution in the liquid supply tank 5 can be pushed into a spray head 9 through a liquid supply pipe 8, when the servo motor I12 does work to drive a transmission gear 13 to do work, the liquid supply pipe 8 and the spray head 9 can be driven by a driven gear 14 to rotate, and therefore the polymer solution required by the production of the composite nanofiber membrane can be thrown out of a spinning through a plurality of spinning holes 10 under the action of centrifugal force;
finally, when the polymer solution surplus material is obtained, a user can control the servo motor II 16 to drive the screw rod 17 to rotate forward and backward, so that the moving block 18 carries out reciprocating lifting movement, the push plate 22 carries out lifting movement in the liquid supply tank 5, the push plate 22 with the up-and-down reciprocating lifting function can apply suction force to the spray nozzle 9, and accordingly air flow is generated at the spinneret hole 10, and the polymer solution surplus material can be effectively prevented from solidifying and blocking the spinneret hole 10.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A centrifugal spinning nozzle assembly for producing compound nanofiber membrane, including bottom plate (1), medium plate (2) and roof (3), be provided with support (4) between bottom plate (1), medium plate (2) and roof (3), medium plate (2) top is provided with and is used for depositing the liquid feed jar (5) of the required polymer solution of production compound nanofiber membrane, liquid feed jar (5) top center department rotates and is provided with liquid feed pipe (8), liquid feed pipe (8) top is provided with shower nozzle (9), shower nozzle (9) lateral part evenly is provided with a plurality of spinneret orifices (10), a serial communication port, still including the centrifugal component that is used for throwing away the polymer solution through centrifugal force and be used for preventing that polymer solution clout from blockking up the pay-off subassembly of spinneret orifice (10).
2. Centrifugal spinning nozzle assembly for producing composite nanofiber membranes according to claim 1, characterized in that the centrifugal assembly comprises a mounting plate (11), the top of the mounting plate (11) is vertically and fixedly arranged at the bottom of the top plate (3), a first servo motor (12) is fixedly arranged at the side part of the mounting plate (11), and a transmission gear (13) is fixedly connected to the output shaft of the first servo motor (12).
3. Centrifugal spinning nozzle assembly for producing composite nanofiber membranes according to claim 2, characterized in that the surface of the liquid supply tube (8) is fixedly provided with a driven gear (14), and the transmission gear (13) is meshed with the driven gear (14).
4. Centrifugal spinning nozzle assembly for producing composite nanofiber membranes according to claim 1, characterized in that the feeding assembly comprises a vertically arranged moving base (15), the top of the moving base (15) is fixedly mounted at the bottom of the middle plate (2), the bottom of the moving base (15) is fixedly mounted at the top of the bottom plate (1), and a second servo motor (16) is fixedly arranged below the inner part of the moving base (15).
5. The centrifugal spinning nozzle assembly for producing the composite nanofiber membrane according to claim 4, wherein a screw rod (17) is fixedly connected to an output shaft of the second servo motor (16), a moving block (18) is connected to the surface of the screw rod (17) in a threaded mode, and the left end and the right end of the moving block (18) are connected to the left side and the right side of the inner wall of the moving base (15) in a sliding mode.
6. The centrifugal spinning nozzle assembly for producing the composite nanofiber membrane according to claim 5, wherein guide rods (19) are fixedly connected to the top of the moving block (18) in a bilateral symmetry mode, the guide rods (19) are vertically arranged, a first through hole (20) is formed in the middle of the middle plate (2), a second through hole (21) is formed in the bottom of the liquid supply tank (5), and the top ends of the guide rods (19) sequentially penetrate through the first through hole (20) and the second through hole (21).
7. The centrifugal spinning nozzle assembly for producing a composite nanofiber membrane according to claim 6, wherein a push plate (22) is horizontally arranged in the liquid supply tank (5), the side part of the push plate (22) is attached to the side part of the inner wall of the liquid supply tank (5), the top end of the guide rod (19) is fixedly arranged at the bottom of the push plate (22), a rubber sealing gasket (23) is fixedly arranged at the top of the push plate (22), and the side part of the rubber sealing gasket (23) is attached to the side part of the inner wall of the liquid supply tank (5).
8. Centrifugal spinning nozzle assembly for producing composite nanofiber membranes according to claim 1, characterized in that the feed tube (6) is provided at the top end of the side of the feed tank (5), and the feed tube (6) body is provided with a shut-off valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897805.5U CN220116737U (en) | 2023-04-20 | 2023-04-20 | Centrifugal spinning nozzle assembly for producing composite nanofiber membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897805.5U CN220116737U (en) | 2023-04-20 | 2023-04-20 | Centrifugal spinning nozzle assembly for producing composite nanofiber membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220116737U true CN220116737U (en) | 2023-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320897805.5U Active CN220116737U (en) | 2023-04-20 | 2023-04-20 | Centrifugal spinning nozzle assembly for producing composite nanofiber membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220116737U (en) |
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2023
- 2023-04-20 CN CN202320897805.5U patent/CN220116737U/en active Active
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