CN214004861U - Rotatable lifting type sawtooth electrostatic spinning device - Google Patents
Rotatable lifting type sawtooth electrostatic spinning device Download PDFInfo
- Publication number
- CN214004861U CN214004861U CN202023000543.3U CN202023000543U CN214004861U CN 214004861 U CN214004861 U CN 214004861U CN 202023000543 U CN202023000543 U CN 202023000543U CN 214004861 U CN214004861 U CN 214004861U
- Authority
- CN
- China
- Prior art keywords
- liquid storage
- sawtooth
- storage tank
- disc
- spinning solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The application relates to a rotatable over-and-under type sawtooth electrostatic spinning device includes: a liquid storage tank for containing spinning solution; the high-voltage electrostatic generator is electrically connected with the liquid storage tank; the sawtooth disc is arranged in the liquid storage tank and can move relative to the liquid storage tank; the driving mechanism drives the saw tooth disc to move; the receiving mechanism is arranged on one side of the sawtooth disc and used for receiving the prepared nano fibers, and the receiving mechanism is grounded so as to form an electrostatic field with the liquid storage tank; the sawtooth disc is provided with a plurality of cusps, a groove used for containing spinning solution is formed between every two adjacent cusps, the driving mechanism drives the sawtooth disc to move along the axial direction of the liquid storage tank so that the sawtooth disc extends out of the spinning solution surface of the spinning solution, and the liquid level of the spinning solution in the groove is flush with the cusps. Which can prevent the solidification of the spinning solution and improve the spinning efficiency.
Description
Technical Field
The utility model relates to a rotatable over-and-under type sawtooth electrostatic spinning device belongs to electrostatic spinning technical field.
Background
At present, as the basis of nano-fiber, electrostatic spinning nano-fiber has become a hot point of application research. The electrostatic spinning nano-fiber has obvious advantages and is mainly reflected in the aspects of wide spinnable raw materials, adjustable structure, various shapes, large specific surface area of the fiber and the like. The electrostatic spinning equipment is simple, the technical operation is simple and convenient, but the traditional electrostatic spinning equipment has low spinning efficiency and limits the batch production of the nano fibers, so that the free liquid level spinning is produced at the same time. The spinning principle is that the electrostatic force provided by a high-voltage electric field is utilized to overcome the surface tension of the polymer liquid surface, a Taylor cone is formed on the polymer liquid surface, jet flow is further formed, and the jet flow is attenuated into nano fibers under the action of an electric field force. However, although the common free liquid surface spinning can realize batch preparation of the nano fibers, the defects of unstable jet flow, easy solidification of solution, uneven spinning, easy resource waste and the like exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotatable over-and-under type sawtooth electrostatic spinning device, it can prevent that spinning solution from solidifying, can improve spinning efficiency simultaneously.
In order to achieve the above purpose, the utility model provides a following technical scheme: a rotatable elevation type sawtooth electrostatic spinning device comprises:
a liquid storage tank for containing spinning solution;
the high-voltage electrostatic generator is electrically connected with the liquid storage tank;
the saw tooth disc is arranged in the liquid storage pool and can move relative to the liquid storage pool;
the driving mechanism drives the saw tooth disc to move;
the receiving mechanism is arranged on one side of the sawtooth disc and used for receiving the prepared nano fibers, and the receiving mechanism is grounded so as to form an electrostatic field with the liquid storage tank;
the sawtooth disc is provided with a plurality of cusps, a groove used for containing spinning solution is formed between every two adjacent cusps, the driving mechanism drives the sawtooth disc to move along the axial direction of the liquid storage tank so that the sawtooth disc extends out of the spinning liquid surface of the spinning solution, and the liquid level of the spinning solution in the groove is flush with the cusps.
Further, a plurality of the tip portions are equidistantly distributed.
Further, the driving mechanism comprises a lifting component and a rotating component, the lifting component is used for driving the sawtooth disc to move along the axial direction of the liquid storage tank, the rotating component is used for driving the sawtooth disc to move along the circumferential direction of the liquid storage tank, and the lifting component is connected with the rotating component.
Further, the lifting assembly is any one of an electric cylinder, a hydraulic cylinder, an air cylinder and a lead screw.
Further, the rotating assembly is a rotating motor.
Furthermore, a through hole is formed in the liquid storage tank, and at least part of the driving mechanism extends into the liquid storage tank through the through hole and is connected with the sawtooth disc.
Furthermore, a sealing element is further arranged on the liquid storage tank and used for preventing the spinning solution from flowing out of a gap between the through hole and the driving mechanism.
Further, the sealing member is a rubber ring or a silica gel ring.
Further, the rotatable lifting type sawtooth electrostatic spinning device further comprises a liquid supply mechanism which is connected with the liquid storage tank and supplies liquid to the liquid storage tank.
Further, the receiving mechanism is a roller.
The beneficial effects of the utility model reside in that: the driving mechanism and the sawtooth disc are arranged, the sawtooth disc can be driven by the driving mechanism to move relative to the liquid storage tank, so that the spinning solution in the liquid storage tank is stirred, the spinning solution is prevented from being solidified, the viscosity of the solution is reduced, the material dispersibility of the solution is improved, the drawing force of an electric field on the solution during spinning is increased, and the spinning efficiency is improved; through being provided with the sawtooth dish, the sawtooth dish has the pointed end and is formed with the recess between two adjacent pointed ends, and the recess is used for holding spinning solution, and the pointed end provides more spinning sites, has further improved spinning efficiency.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the rotary lifting type sawtooth electrostatic spinning device of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1, in a preferred embodiment of the present invention, the sawtooth electrostatic spinning apparatus includes a liquid storage tank 3 for containing a spinning solution, a high voltage electrostatic generator 5 electrically connected to the liquid storage tank 3, a sawtooth disc 1 disposed in the liquid storage tank 3 and capable of moving relative to the liquid storage tank 3, a driving mechanism 2 for driving the sawtooth disc 1 to move, and a receiving mechanism 6 disposed at one side of the sawtooth disc 1 for receiving the manufactured nanofibers, wherein the liquid storage tank 3 is connected to a positive electrode of the high voltage electrostatic generator 5, the receiving mechanism 6 is grounded 7 and connected to a negative electrode of the high voltage electrostatic generator 5, so that an electrostatic field is formed between the receiving mechanism 6 and the liquid storage tank 3, and the spinning solution forms a taylor cone under the action of the electrostatic field, and the surface tension of the taylor cone is further overcome under the action of the electrostatic field to generate a jet flow, the jet is drawn into a filament under the influence of the electrostatic field until it is received by the receiving means 6. That is, in the present embodiment, the material of the liquid reservoir is a conductive metal, and the conductive metal may be copper, iron, or the like.
In the present embodiment, the receiving mechanism 6 is disposed directly above the saw disc 1, and the receiving mechanism 6 is a roller 6. The roller 6 is driven by an external force, which may be a mechanical force of a driving motor or a manual force, and is not particularly limited herein, depending on the actual situation. The drum 6 is rotated at a constant speed by an external force, so that the manufactured nanofibers can be uniformly received on the drum 6 to improve the quality of the nanofibers.
The liquid storage tank 3 is circular, correspondingly, the saw tooth disc 1 is also circular, so that the saw tooth disc 1 is matched with the liquid storage tank 3. Indeed, in other embodiments, the shape of the reservoir 3 may be other, and is not limited herein, depending on the actual situation. Saw fluted disc 1 has a plurality of pointed end 11, and adjacent two be formed with the recess that is used for holding spinning solution between the pointed end 11, actuating mechanism 2 drive saw fluted disc 1 is followed the axial motion of liquid storage tank 3 is so that when saw fluted disc 1 stretches out to the spinning liquid level of spinning solution, the liquid level of spinning solution in the recess with pointed end 11 flushes. In order to ensure the spinning quality, in the present embodiment, several tips 11 are equally spaced. Indeed, in other embodiments, the tips 11 may be disposed at different distances, which is not limited herein, according to the actual situation.
The driving mechanism 2 comprises a lifting assembly and a rotating assembly, the lifting assembly is used for driving the sawtooth disc 1 to move along the axial direction of the liquid storage pool 3, the rotating assembly is used for driving the sawtooth disc 1 to move along the circumferential direction of the liquid storage pool 3, the lifting assembly is connected with the rotating assembly, the axial direction of the liquid storage pool 3 is the height direction of the liquid storage pool 3, and the circumferential direction of the liquid storage pool 3 is the circumferential direction of the liquid storage pool 3. The lifting assembly is any one of an electric cylinder, a hydraulic cylinder, an air cylinder and a lead screw, and the rotating assembly is a rotating motor. In the present embodiment, the rotating motor is connected to the chainsaw 1. Indeed, in other embodiments, the electric cylinder may be connected to the saw disc 1, that is, the upper and lower positions of the connection between the rotating assembly and the lifting assembly are not limited, and only the rotation and lifting purposes need to be achieved. The liquid storage tank 3 is provided with a through hole, and at least part of the driving mechanism 2 extends into the liquid storage tank 3 through the through hole and is connected with the saw tooth disc 1. In order to prevent the spinning solution from flowing out from the gap between the through hole and the driving mechanism 2, a sealing element is further arranged on the liquid storage tank 3. The sealing member is a rubber ring or a silica gel ring, and only the sealing effect is required to be achieved.
The rotatable lifting type sawtooth electrostatic spinning device further comprises a liquid supply mechanism 4 which is connected with the liquid storage tank 3 and supplies liquid for the liquid storage tank 3, the liquid supply mechanism 4 is connected with the liquid storage tank 3 through a liquid guide pipe, and correspondingly, a sealing piece is arranged between the liquid guide pipe and the liquid storage tank 3 and used for preventing the leakage of the spinning solution and the waste of the spinning solution.
The utility model discloses a rotatable over-and-under type sawtooth electrostatic spinning device's implementation process does: and opening the liquid supply mechanism 4 to inject the spinning solution into the liquid storage tank 3 at a constant speed until the solution level of the spinning solution is equal to the upper surface of the liquid storage tank 3. Meanwhile, the high-voltage electrostatic generator 5 and the driving mechanism 2 are opened, the sawtooth disc 1 continuously rotates and goes up and down in the spinning solution under the control of the driving mechanism 2, when the sawtooth disc 1 extends out of the spinning solution, the spinning solution on the liquid storage tank 3 and the sawtooth disc 1 forms a Taylor cone under the action of high-voltage static electricity, the surface tension of the Taylor cone is further overcome under the action of an electrostatic field to generate jet flow, the jet flow is attenuated into filaments under the action of the electrostatic field and is received by the roller receiving mechanism 6, and finally a large amount of uniform nano fibers are formed.
In summary, the following steps: by arranging the driving mechanism 2 and the sawtooth disc 1, the driving mechanism 2 can drive the sawtooth disc 1 to move relative to the liquid storage tank 3, so that the spinning solution in the liquid storage tank 3 is stirred, the spinning solution is prevented from being solidified, the viscosity of the solution is reduced, the material dispersibility of the solution is improved, the drawing force of an electric field on the solution during spinning is increased, and the spinning efficiency is improved; by providing the serrated disk 1, the serrated disk 1 has the pointed ends 11 and a groove is formed between two adjacent pointed ends 11, the groove is used for containing the spinning solution, and the pointed ends 11 provide more spinning sites, thereby further improving the spinning efficiency.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A rotatable over-and-under type sawtooth electrostatic spinning device which characterized in that includes:
a liquid storage tank for containing spinning solution;
the high-voltage electrostatic generator is electrically connected with the liquid storage tank;
the saw tooth disc is arranged in the liquid storage pool and can move relative to the liquid storage pool;
the driving mechanism drives the saw tooth disc to move;
the receiving mechanism is arranged on one side of the sawtooth disc and used for receiving the prepared nano fibers, and the receiving mechanism is grounded so as to form an electrostatic field with the liquid storage tank;
the sawtooth disc is provided with a plurality of cusps, a groove used for containing spinning solution is formed between every two adjacent cusps, the driving mechanism drives the sawtooth disc to move along the axial direction of the liquid storage tank so that the sawtooth disc extends out of the spinning liquid surface of the spinning solution, and the liquid level of the spinning solution in the groove is flush with the cusps.
2. The rotary liftable saw blade electrospinning device of claim 1, wherein a plurality of the tip portions are equally spaced.
3. The rotary liftable sawtooth electrospinning device of claim 1, wherein the driving mechanism comprises a lifting assembly for driving the sawtooth disk to move in the axial direction of the reservoir and a rotating assembly for driving the sawtooth disk to move in the circumferential direction of the reservoir, and the lifting assembly is connected to the rotating assembly.
4. The rotary elevating saw-tooth electrospinning device of claim 3, wherein the elevating assembly is any one of an electric cylinder, a hydraulic cylinder, an air cylinder and a lead screw.
5. The rotary liftable saw blade electrospinning apparatus of claim 3, wherein the rotating member is a rotating motor.
6. The rotary elevating type sawtooth electrostatic spinning device as claimed in claim 1, wherein a through hole is opened on the liquid storage tank, and at least a part of the driving mechanism extends into the liquid storage tank through the through hole to be connected with the sawtooth disc.
7. The rotary elevating saw-tooth electrospinning device according to claim 6, wherein a sealing member is further provided on the reservoir for preventing the spinning solution from flowing out from a gap between the through-hole and the driving mechanism.
8. The rotary elevating type sawtooth electrospinning device of claim 7, wherein the sealing member is a rubber ring or a silicone ring.
9. The rotary elevating saw blade electrospinning apparatus of claim 1 further comprising a liquid supply mechanism connected to the liquid reservoir to supply liquid to the liquid reservoir.
10. The rotary liftable saw blade electrospinning apparatus of claim 1, wherein the receiving mechanism is a drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023000543.3U CN214004861U (en) | 2020-12-15 | 2020-12-15 | Rotatable lifting type sawtooth electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023000543.3U CN214004861U (en) | 2020-12-15 | 2020-12-15 | Rotatable lifting type sawtooth electrostatic spinning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214004861U true CN214004861U (en) | 2021-08-20 |
Family
ID=77312772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023000543.3U Active CN214004861U (en) | 2020-12-15 | 2020-12-15 | Rotatable lifting type sawtooth electrostatic spinning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214004861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481712A (en) * | 2020-12-15 | 2021-03-12 | 苏州大学 | Rotatable lifting type sawtooth electrostatic spinning device |
| CN115467033A (en) * | 2022-09-19 | 2022-12-13 | 魏桥纺织股份有限公司 | Telescopic liquid-carrying needle-free electrostatic spinning device |
-
2020
- 2020-12-15 CN CN202023000543.3U patent/CN214004861U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481712A (en) * | 2020-12-15 | 2021-03-12 | 苏州大学 | Rotatable lifting type sawtooth electrostatic spinning device |
| CN115467033A (en) * | 2022-09-19 | 2022-12-13 | 魏桥纺织股份有限公司 | Telescopic liquid-carrying needle-free electrostatic spinning device |
| CN115467033B (en) * | 2022-09-19 | 2023-10-31 | 魏桥纺织股份有限公司 | Telescopic carrier liquid needleless electrostatic spinning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214004861U (en) | Rotatable lifting type sawtooth electrostatic spinning device | |
| CN112481712A (en) | Rotatable lifting type sawtooth electrostatic spinning device | |
| CN204918858U (en) | Batch production nanofiber's electrostatic spinning device | |
| CN108411383B (en) | Porous spherical electrostatic spinning nozzle and spinning method thereof | |
| CN105506759A (en) | Electrostatic spinning machine | |
| CN111139541B (en) | Stirring type large-batch free liquid level electrostatic spinning device and method | |
| CN101886301B (en) | Device for twisting nanometer fibers prepared by electrostatic spinning into stranded wires | |
| CN108193290A (en) | A kind of high-efficiency nano fibre device for spinning | |
| CN211947308U (en) | Bubble electrostatic spinning device for preparing nanofiber yarn | |
| CN211872154U (en) | Stirring type large-batch free liquid level electrostatic spinning device | |
| CN111235648A (en) | Gear included angle type needle-free electrostatic spinning head and electrostatic spinning device using same | |
| CN105887223A (en) | High-speed centrifugal spinning device for producing nanofiber yarn in one-step shaping and production method of nanofiber yarn | |
| CN214271116U (en) | Sawtooth groove-gear rolling type electrostatic spinning device | |
| WO2022110684A1 (en) | Controllable rotary electrostatic spinning device | |
| CN109750360B (en) | Self-cleaning spiral electrostatic spinning nozzle and use method thereof | |
| CN111910267A (en) | Electrostatic spinning device for preparing composite fiber material | |
| CN105648548A (en) | Tapered-bulge roller type electrostatic spinning device and method for preparing nanofiber membrane by adopting device | |
| CN112575393A (en) | Sawtooth groove-gear rolling type electrostatic spinning device | |
| CN213708564U (en) | Controllable rotary electrostatic spinning device | |
| CN111270319A (en) | Trapezoidal spherical multi-needle-head bubble spinning device and method | |
| CN204023029U (en) | Electrospinning device | |
| CN111118620A (en) | Saturated micro-liquid-level solid needle array spinning device and using method thereof | |
| CN213417089U (en) | Rotary threaded rod spinning head and assembly for electrostatic spinning | |
| CN109881268B (en) | Spiral electrostatic spinning nozzle with controllable spinning solution curvature and application method thereof | |
| CN212476968U (en) | Liftable free liquid level spinning device for preparing oriented fibers in large batch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |