CN219808042U - Electrostatic spinning device - Google Patents
Electrostatic spinning device Download PDFInfo
- Publication number
- CN219808042U CN219808042U CN202320975596.1U CN202320975596U CN219808042U CN 219808042 U CN219808042 U CN 219808042U CN 202320975596 U CN202320975596 U CN 202320975596U CN 219808042 U CN219808042 U CN 219808042U
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- Prior art keywords
- roller
- connecting rod
- spinning
- electrospinning apparatus
- hot
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- 238000010041 electrostatic spinning Methods 0.000 title abstract description 25
- 238000009987 spinning Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000003618 dip coating Methods 0.000 claims abstract description 19
- 238000007654 immersion Methods 0.000 claims abstract description 16
- 238000007790 scraping Methods 0.000 claims abstract description 16
- 238000007731 hot pressing Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 15
- 230000004323 axial length Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000001523 electrospinning Methods 0.000 claims 10
- 238000002360 preparation method Methods 0.000 abstract description 6
- 239000002121 nanofiber Substances 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model relates to an electrostatic spinning device, which comprises a liquid reservoir, wherein a spinning jet orifice is arranged on the liquid reservoir; a dip tank for holding a dip coating solution; the rotating roller is connected with the first driving device; the motion control device is connected with the autorotation roller and used for controlling the autorotation roller to move along a set track; the scraping plate is rotationally connected with the immersion tank, and is connected with the second driving device, and the second driving device controls the scraping plate to scrape spinning on the autorotation roller. The utility model realizes the intelligent preparation of the electrostatic spinning nanofiber, greatly improves the electrostatic spinning efficiency and saves the labor cost.
Description
Technical Field
The utility model relates to the technical field of electrostatic spinning, in particular to an electrostatic spinning device.
Background
The electrostatic spinning technology is a widely applied nanofiber preparation method, polymer solution or melt is subjected to jet spinning under the action of strong electric field force, and the prepared fiber has the characteristics of small diameter, large specific surface area, high porosity and the like, has multifunction and wide application background, and receives wide attention. However, a single electrospun film is difficult to meet the requirements of a certain field on various aspects of the film, so that the electrospun film needs to be modified, and the common modification methods comprise blending, dip-coating and hot-pressing. The existing dip-coating and hot-pressing method for preparing the modified fiber membrane requires that the fiber membrane is manually taken down to be put into dip-coating solution for dip-coating, or the spun fiber membrane is put between hot-pressing rollers, so that the electrostatic spinning membrane is easily damaged in the manual operation process, the whole process needs to be manually watched, the membrane is timely taken out for hot-pressing, and the like, and the defect of low production efficiency is overcome. In addition, the traditional liquid storage tank is only sprayed by the edge, so that sprayed polymer trickles are less, and batch preparation of the electrostatic spinning film is difficult to realize.
Disclosure of Invention
The utility model aims to solve the technical problems of overcoming the defects in the prior art and providing the electrostatic spinning device which realizes the intelligent preparation of the electrostatic spinning nanofiber, greatly improves the electrostatic spinning efficiency and saves the labor cost.
According to the technical scheme provided by the utility model, the electrostatic spinning device comprises a liquid reservoir, wherein a spinning jet orifice is arranged on the liquid reservoir; a dip tank for holding a dip coating solution; the rotating roller is connected with the first driving device; the motion control device is connected with the autorotation roller and used for controlling the autorotation roller to move along a set track; the scraping plate is rotationally connected with the immersion tank, and is connected with the second driving device, and the second driving device controls the scraping plate to scrape spinning on the autorotation roller.
In one embodiment of the present utility model, the motion control device includes a controller, two turntables and a connecting rod, the two turntables are respectively connected to two ends of the rotation drum through the connecting rod, and the two turntables are driven to rotate by the controller.
In one embodiment of the utility model, the connecting rod comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is connected to the turntable, the other end of the first connecting rod is connected with the second connecting rod, the second connecting rod penetrates through the rotating roller along the axis of the rotating roller, and the first connecting rod is a telescopic rod.
In one embodiment of the present utility model, the rotating drum includes a first drum and a second drum, each of which is located between and connected to the two turntables.
In one embodiment of the utility model, the device further comprises an air flow channel surrounding the lower end of the reservoir.
In one embodiment of the utility model, a conveyor belt is connected to the edge of the notch of the immersion tank, the conveyor belt corresponds to the scraping plate, and a hot press roller is arranged at one end of the conveyor belt away from the immersion tank.
In one embodiment of the utility model, the hot press roller comprises a first hot press roller and a second hot press roller, and the first hot press roller and the second hot press roller are respectively positioned on the front side and the back side of the conveyor belt.
In one embodiment of the present utility model, the length of the scraper corresponds to the axial length of the rotation roller.
In one embodiment of the utility model, the inner diameter of the liquid reservoir gradually decreases in the direction of the liquid reservoir opening toward the spinning ejection opening.
In one embodiment of the utility model, one side of the scraper is connected to the notch edge of the immersion tank through a rotating shaft.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the electrostatic spinning device is provided with the autorotation roller, the spinning ejection port of the liquid storage device ejects spinning, the spinning falls onto the autorotation roller, the autorotation roller is driven by the motion control device to reciprocate between the liquid soaking tank and the liquid storage device to realize automatic dip-coating, the electrostatic spinning device is also provided with the transmission belt and the hot-pressing roller, the scraping plate scrapes the spinning on the automatic roller onto the transmission belt, then the hot-pressing roller is used for realizing automatic hot-pressing, a power supply is not required to be turned off in the spinning process, and then a fiber film is taken out manually to carry out dip-coating or hot-pressing, so that the intelligent preparation of electrostatic spinning nano fibers is realized, the electrostatic spinning efficiency is greatly improved, meanwhile, the labor cost is saved, and the spinning is more intelligent and convenient.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a schematic diagram of the structure of the electrostatic spinning device of the present utility model after the hot pressing device is removed;
FIG. 2 is a schematic diagram showing the connection of the immersion tank and the hot press device according to the present utility model.
Description of the specification reference numerals: 1-a reservoir; 2-air flow channels; 3-a turntable; 4-rotating the roller; 5-a controller; 6-connecting rods; 7-a leaching tank; 8-scraping plates; 9-a high voltage power supply; 10-rotating shaft; 11-a conveyor belt; 12-a hot press roll; 13-hot press switch.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1, in order to improve the efficiency of electrostatic spinning and save labor cost, the utility model comprises a liquid storage device 1, wherein a spinning spray outlet is arranged on the liquid storage device 1; a dip tank 7 for holding a dip coating solution; the rotating roller 4 is connected with the first driving device; the motion control device is connected with the rotation roller 4 and is used for controlling the rotation roller 4 to move along a set track; the scraper 8 is rotatably connected with the immersion tank 7, the scraper 8 is connected with a second driving device, and the second driving device controls the scraper 8 to scrape the spinning on the autorotation roller 4.
Specifically, during electrostatic spinning, a certain amount of spinning solution is selectively poured into the liquid storage device 1, the inner diameter of the liquid storage device 1 gradually decreases along the direction of a liquid storage port pointing to a spinning spray hole, then a high-voltage power supply 9 is turned on to spin, continuous filaments are spun at the edge of the liquid storage device 1 containing the spinning solution, the spinning roller 4 firstly receives spinning under the spinning spray hole in the spinning process, and the spinning roller 4 is transferred into the dipping tank 7 by a motion control device when the spinning roller 4 receives a desired thickness to perform dip coating treatment. One side of the scraping plate 8 is connected with a notch of the dipping tank 7 through a rotating shaft 10, after dip coating, the scraping plate 8 rotates upwards through the rotating shaft 10 to be propped against the autorotation roller 4, the length of the scraping plate 8 is consistent with the axial length of the autorotation roller 4, and a fiber membrane is scraped from the surface of the autorotation roller 4 through autorotation of the autorotation roller 4, so that automatic dip coating is realized.
In specific implementation, the first driving device is used for driving the rotation roller 4 to rotate, when the rotation roller 4 moves to a first area of a set track, the rotation roller receives the spinning sprayed by the liquid storage device 1, when the rotation roller 4 moves to a second area of the set track, the rotation roller transmits the spinning on the rotation roller to the immersion tank 7, and when the rotation roller 4 moves to a set position, the scraper 8 is controlled to move, and the spinning on the rotation roller 4 is scraped.
Further, the motion control device comprises a controller 5, two turntables 3 and a connecting rod 6, wherein the two turntables 3 are respectively connected to two ends of the rotating drum 4 through the connecting rod 6, and the two turntables 3 are driven to rotate through the controller 5.
Specifically, the controller 5 drives the two turntables 3 to rotate, the rotation directions of the two turntables 3 are consistent with the rotation speed, the autorotation roller 4 is connected between the two turntables 3 to do circular motion along with the autorotation of the turntables 3, a first area of a set track of the autorotation roller 4 corresponds to a spinning ejection port of the liquid storage device 1, and a second area of a set track of the autorotation roller 4 corresponds to the immersion tank 7, so that the automatic immersion coating is realized.
Further, the connecting rod 6 includes a first connecting rod 6 and a second connecting rod 6, one end of the first connecting rod 6 is connected to the turntable 3, the other end is connected to the second connecting rod 6, the second connecting rod 6 penetrates through the rotation drum 4 along the axis of the rotation drum 4, and the first connecting rod 6 is a telescopic rod.
Specifically, the turntables 3 positioned at two sides of the rotation roller 4 are respectively provided with a first connecting rod 6, the first connecting rods 6 of the two turntables 3 are connected through a second connecting rod 6, the rotation roller 4 is arranged on the second connecting rod 6 in a penetrating mode, after dip-coating is completed, the scraping plate 8 rotates to prop against the rotation roller 4 to scrape the spinning, and the telescopic first connecting rods 6 are adjusted to enable the rotation roller 4 to extend out of the notch of the dipping tank 7, so that the spinning is scraped to a required position.
Further, the rotating drum 4 includes a first drum and a second drum, which are both located between the two turntables 3 and connected to the two turntables 3.
Specifically, the first roller and the second roller can be respectively arranged on two vertexes of the rotation roller 4, which are positioned on the same straight line, by adopting the structure, one roller can receive spinning above in the electrostatic spinning process, and the other roller can finish dip coating below at the same time, so that the spinning and dip coating efficiency is greatly improved. Of course, the number and arrangement of the rotation rollers 4 may be other, and may be specifically selected according to actual needs, in particular, to meet the purpose of automatic dip coating.
Further, an air flow channel 2 is also included, and the air flow channel 2 surrounds the lower end of the liquid reservoir 1.
Specifically, the high-voltage power supply 9 is turned on to spin, the edge of the liquid reservoir 1 containing spinning liquid can spin continuous filaments, hot air flow is input into the air flow channel 2, and the hot air flow is continuously input from the outside and generates a certain pressure at a spinning jet port through the air flow channel 2 so as to promote spinning. In the spinning process, hot air flow is continuously conveyed to the spinning jet orifice, so that the pressure intensity at the spinning jet orifice is increased, and compared with filaments ejected by a common electrostatic spinning device, the spinning process is promoted, and the spinning efficiency is improved.
Further, a conveyor belt 11 is connected to the edge of the notch of the immersion tank 7, the conveyor belt 11 corresponds to the scraper 8, and a hot press roller 12 is arranged at one end of the conveyor belt 11 away from the immersion tank 7.
The hot press roller 12 comprises a first hot press roller 12 and a second hot press roller 12, and the first hot press roller 12 and the second hot press roller 12 are respectively positioned on the front surface and the back surface of the conveyor belt 11.
Specifically, the hot press switch 13 is turned on, and the fibrous film scraped from the automatic roll is conveyed between the hot press rollers 12 via the belt to be hot-pressed.
The utility model is provided with the automatic dip-coating and automatic hot-pressing device, and the fiber film does not need to be manually taken out to dip-coat or hot-press after the power supply is turned off in the spinning process, thereby realizing the intelligent preparation of the electrostatic spinning nanofiber, greatly improving the electrostatic spinning efficiency and saving the labor cost. When some films do not need dip coating or hot pressing, the liquid soaking tank 7 is not filled with liquid or the hot pressing roller 12 does not apply pressure, so that the selective control treatment on the electrospun films can be realized.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. An electrospinning apparatus, comprising:
the liquid storage device is provided with a spinning jet port;
a dip tank for holding a dip coating solution;
the rotating roller is connected with the first driving device;
the motion control device is connected with the autorotation roller and used for controlling the autorotation roller to move along a set track;
the scraping plate is rotationally connected with the immersion tank, and is connected with the second driving device, and the second driving device controls the scraping plate to scrape spinning on the autorotation roller.
2. The electrospinning apparatus of claim 1, wherein: the motion control device comprises a controller, two turntables and a connecting rod, wherein the two turntables are connected to two ends of the autorotation roller through the connecting rod respectively, and the two turntables are driven to rotate through the controller.
3. The electrospinning apparatus of claim 2, wherein: the connecting rod comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is connected to the rotary table, the other end of the first connecting rod is connected with the second connecting rod, the second connecting rod penetrates through the rotating drum along the axis of the rotating drum, and the first connecting rod is a telescopic rod.
4. The electrospinning apparatus of claim 2, wherein: the rotation roller comprises a first roller and a second roller, and the first roller and the second roller are both positioned between the two turntables and connected with the two turntables.
5. The electrospinning apparatus of claim 1, wherein: and the air flow channel surrounds the lower end of the liquid storage device.
6. The electrospinning apparatus of claim 1, wherein: the edge of the notch of the immersion tank is connected with a conveyor belt, the conveyor belt corresponds to the scraping plate, and one end, away from the immersion tank, of the conveyor belt is provided with a hot press roller.
7. The electrospinning apparatus of claim 6, wherein: the hot-pressing roller comprises a first hot-pressing roller and a second hot-pressing roller, and the first hot-pressing roller and the second hot-pressing roller are respectively positioned on the front side and the back side of the conveyor belt.
8. The electrospinning apparatus of claim 1, wherein: the length of the scraping plate is consistent with the axial length of the autorotation roller.
9. The electrospinning apparatus of claim 1, wherein: the inner diameter of the liquid storage device gradually decreases along the direction that the liquid storage port points to the spinning jet port.
10. The electrospinning apparatus of claim 1, wherein: one side of the scraping plate is connected with the edge of the notch of the immersion tank through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320975596.1U CN219808042U (en) | 2023-04-26 | 2023-04-26 | Electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320975596.1U CN219808042U (en) | 2023-04-26 | 2023-04-26 | Electrostatic spinning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219808042U true CN219808042U (en) | 2023-10-10 |
Family
ID=88209868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320975596.1U Active CN219808042U (en) | 2023-04-26 | 2023-04-26 | Electrostatic spinning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219808042U (en) |
-
2023
- 2023-04-26 CN CN202320975596.1U patent/CN219808042U/en active Active
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| GR01 | Patent grant |