CN211311677U - Electrostatic spinning rotary emitter and electrostatic spinning equipment - Google Patents
Electrostatic spinning rotary emitter and electrostatic spinning equipment Download PDFInfo
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- CN211311677U CN211311677U CN201921436920.2U CN201921436920U CN211311677U CN 211311677 U CN211311677 U CN 211311677U CN 201921436920 U CN201921436920 U CN 201921436920U CN 211311677 U CN211311677 U CN 211311677U
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Abstract
The utility model provides an electrostatic spinning rotating emitter and electrostatic spinning equipment, which relate to the technical field of electrostatic spinning equipment and comprise a frame body, a rotating shaft, a first driving piece, a liquid spraying box and a second driving piece; the periphery of the rotating shaft is wound with a metal wire; the first driving piece is connected with one end of the rotating shaft; the liquid spraying box is sleeved on the periphery of the rotating shaft; the second driving part is arranged below the rotating shaft, and the upper end of the second driving part is connected with the liquid spraying box. The utility model provides a rotatory projecting pole of electrostatic spinning, through set up the wire in the rotation axis periphery, the realization increases the effect that unsmooth point is convenient for be stained with and attaches the solution on the rotation axis surface, the axial displacement of rotation axis can be followed to the hydrojet box under the drive of second driving piece, realize the reciprocal hydrojet to the rotation axis periphery, under high-tension electric field's effect, be stained with the solution that attaches on rotation axis and the wire and can launch to the receiving electrode, form the fibre filament on the substrate of receiving electrode, realize quick even spinning effect.
Description
Technical Field
The utility model belongs to the technical field of electrostatic spinning equipment, more specifically say, relate to a rotatory projecting pole of electrostatic spinning and be equipped with electrostatic spinning equipment of this rotatory projecting pole of electrostatic spinning.
Background
Electrostatic spinning is a special fiber manufacturing process, and the manufacturing process is that under the action of a high-voltage electric field, polymer solution drops change from a spherical shape to a conical shape on an electrode, fiber filaments are obtained by extending from the tip of the cone and move to a substrate on another electrode in an accelerated manner, and finally a nanofiber net similar to a non-woven fabric is formed. The nanofibers have the characteristics of large specific surface area and high porosity, and can be used as a good filter material.
The electrostatic spinning equipment used at present generally utilizes a nozzle to spray out silk yarns, so that the nozzle is easily blocked when the electrostatic spinning equipment is used, the normal production is affected, in addition, the preparation technology has low production efficiency, the uniformity of fiber filaments is poor, and the requirement of large-scale production is difficult to adapt.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotatory projecting pole of electrostatic spinning to there is electrostatic spinning inefficiency, the poor technical problem of fibre filament homogeneity among the solution prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: the electrostatic spinning rotary emitter comprises a frame body, a rotating shaft, a first driving part, a liquid spraying box and a second driving part; two ends of the rotating shaft are respectively rotatably connected with the frame body, and the periphery of the rotating shaft is wound with a metal wire; the first driving piece is connected with one end of the rotating shaft and is used for driving the rotating shaft to rotate; the liquid spraying box is sleeved on the periphery of the rotating shaft, and the inlet end of the liquid spraying box is connected with the liquid supply box; the second driving part is arranged below the rotating shaft, and the upper end of the second driving part is connected with the liquid spraying box and is used for driving the liquid spraying box to move along the axial direction of the rotating shaft.
As another embodiment of the present application, the second driving member includes a first guide rail, a first lead screw, and a frame; the first guide rail is arranged below the rotating shaft in parallel with the rotating shaft; the first lead screw is parallel to the first guide rail and is arranged below the first guide rail; the frame sleeve is arranged outside the rotating shaft, the first guide rail and the first lead screw, the inner top surface is fixedly connected with the liquid spraying box, and the inner side of the frame is fixedly provided with a first sliding block which is in sliding connection with the first guide rail and a first screw which is arranged above the first sliding block and is matched with the first lead screw.
As another embodiment of the application, the bottom of the inner cavity of the liquid spraying box is in an inverted cone shape, and the lower end of the liquid spraying box is further provided with a first recovery pipe communicated with the liquid supply box.
As another embodiment of the present application, the second driving member includes a second lead screw, a second guide rail, and a guide block; the second lead screw is arranged below the rotating shaft in parallel with the rotating shaft; the second guide rail is parallel to the second lead screw and is arranged below the second lead screw; the lower end of the guide block is provided with a second sliding block which is used for being in sliding connection with a second guide rail, the upper end of the guide block is provided with an internal thread which is used for being in threaded connection with a second lead screw, and the upper end of the guide block is fixedly connected with the liquid spraying box.
As another embodiment of the application, two side walls of an inner cavity of the liquid spraying box incline inwards from top to bottom, and a second recovery pipe communicated with the liquid supply box is arranged at the lower part of the outer side of the liquid spraying box.
As another embodiment of the present application, the wire is provided with two sets of wires having opposite directions of rotation on the rotating shaft.
As another embodiment of the present application, the pitch of the two sets of wires is the same.
As another embodiment of the application, a quantitative liquid supply pump is arranged between the liquid spraying box and the liquid supply box, and the quantitative liquid supply pump is a peristaltic pump.
As another embodiment of the application, the liquid spraying box is connected with the quantitative liquid supply pump through a liquid supply pipe, and a drag chain is sleeved outside the liquid supply pipe.
An electrostatic spinning apparatus includes an electrostatic spinning rotating emitter connected to one pole of a high voltage power supply and a receiver disposed above the electrostatic spinning rotating emitter connected to the other pole of the high voltage power supply.
The utility model provides a rotatory projecting pole of electrostatic spinning's beneficial effect lies in: compared with the prior art, the utility model provides a rotatory projecting pole of electrostatic spinning, through set up the wire in the rotation axis periphery, the realization increases the effect that the unsmooth point is convenient for be stained with and attaches the solution on the rotation axis surface, the rotation axis runs through the setting of hydrojet box, the axial displacement of rotation axis can be followed to the hydrojet box under the drive of second driving piece, realize the reciprocal hydrojet to the rotation axis periphery, under high-tension electric field's effect, be stained with the solution that attaches on rotation axis and the wire and can launch to the receiving electrode, form the fibre filament on the substrate of receiving electrode, realize quick even spinning effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic front view of an electrostatic spinning rotary emitter according to an embodiment of the present invention;
FIG. 2 is a schematic view, partly in section, of the structure of FIG. 1;
FIG. 3 is a schematic view of a portion of A-A of FIG. 1;
fig. 4 is a schematic partial sectional structural view of an electrostatic spinning rotating emitter according to a second embodiment of the present invention;
fig. 5 is a partial sectional structural view of B-B in fig. 4.
Wherein, in the figures, the respective reference numerals:
100. a frame body; 200. a rotating shaft; 210. a metal wire; 300. a first driving member; 400. a liquid spray box; 410. A liquid supply tank; 420. a quantitative liquid supply pump; 430. a first recovery pipe; 440. a second recovery pipe; 500. a second driving member; 510. a first guide rail; 520. a first lead screw; 530. a frame; 531. a first slider; 532. A nut; 540. a second lead screw; 550. a second guide rail; 560. a guide block; 561. a second slider; 600. and (4) dragging the chain.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, an electrostatic spinning apparatus provided with the electrostatic spinning rotating emitter according to the present invention will now be described. An electrostatic spinning rotary emitter, comprising a frame body 100, a rotary shaft 200, a first driving member 300, a liquid spray box 400 and a second driving member 500; two ends of the rotating shaft 200 are rotatably connected with the frame body 100, and a metal wire 210 is wound on the periphery; the first driving member 300 is connected to one end of the rotating shaft 200 and is used for driving the rotating shaft 200 to rotate; the liquid spray box 400 is sleeved on the periphery of the rotating shaft 200, and the inlet end is connected with the liquid supply tank 410; the second driving member 500 is disposed below the rotation shaft 200, has an upper end connected to the liquid ejecting cartridge 400, and is used to drive the liquid ejecting cartridge 400 to move along the axial direction of the rotation shaft 200. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
The utility model provides a pair of rotatory projecting pole of electrostatic spinning, compared with the prior art, the utility model provides a rotatory projecting pole of electrostatic spinning, through set up wire 210 in rotation axis 200 periphery, reach and increase the effect that unsmooth point is convenient for be stained with and attaches the solution on rotation axis 200 surface, rotation axis 200 runs through spray box 400 and sets up, spray box 400 can follow rotation axis 200's axial displacement under the drive of second driving piece 500, realize the reciprocal hydrojet to rotation axis 200 periphery, under high-tension field's effect, be stained with the solution that attaches on rotation axis 200 and wire 210 and can launch to the receiving electrode, form the fibre filament on the substrate of receiving electrode, realize quick even spinning effect.
The metal wire 210 wound on the periphery of the rotating shaft 200 can be one of a copper wire, an aluminum wire and a steel wire, and the materials have good conductivity, so that a Taylor cone can be quickly formed on the periphery of the metal wire 210 by a solution under the action of a high-voltage electric field, and the efficiency of forming the solution on a receiving electrode can be effectively improved by combining the real-time rotation of the rotating shaft 200. In this embodiment, adopt the steel wire to twine, have with low costs, characteristics that corrosion resistance is strong. In addition, as for the winding mode, a random winding mode can be adopted, and a spiral winding mode with a certain distance can also be adopted. In this embodiment, adopt the same pitch and the mode that twists to carry out, be convenient for play the even effect of shaping on the substrate of receiving the utmost point.
In this embodiment, the first driving member 300 transmits the output power of the motor to the rotating shaft 200 through belt transmission to drive the rotating shaft to rotate, so as to avoid the electric conduction between the high-voltage electric field on the rotating shaft 200 and the motor, and avoid the problem that the motor is easily damaged due to the influence of the high-voltage electric field. The second driving member 500 may adopt a transmission form of screw transmission, rack and pinion transmission or belt transmission, and an output end thereof can drive the liquid spray box 400 to reciprocate along the axial direction of the rotating shaft 200, so that effective liquid supply to the rotating shaft 200 and the metal wire 210 can be realized.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, the second driving member 500 includes a first guiding rail 510, a first lead screw 520 and a frame 530; the first guide rail 510 is disposed below the rotation shaft 200 in parallel to the rotation shaft 200; the first lead screw 520 is arranged below the first guide rail 510 in parallel with the first guide rail 510; the frame 530 is sleeved outside the rotating shaft 200, the first guide rail 510 and the first lead screw 520, and the inner top surface is fixedly connected to the liquid spraying box 400, and the inner side of the frame 530 is further fixedly provided with a first slider 531 for slidably connecting with the first guide rail 510 and a first nut 532 arranged above the first slider 531 and for being matched with the first lead screw 520. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In this embodiment, a lead screw transmission mode is adopted, the second driving member 500 is used to drive the first lead screw 520 to rotate, the first nut 532 disposed on the frame 530 is in threaded connection with the first lead screw 520, the first slider 531 moves along the first guide rail 510, the first nut 532 is driven by the first lead screw 520 to generate horizontal displacement, a trend of reciprocating movement along the axial direction of the rotating shaft 200 is generated, the liquid spraying box 400 is driven to move on the rotating shaft 200, liquid spraying to the rotating shaft 200 and the metal wire 210 is realized, because the rotating shaft 200 is driven by the first driving member 300 to generate a rotating motion, the liquid-jet cartridge 400 can jet the solution to the entire circumference of the rotary shaft 200 and the wire 210, in addition, the solution has certain viscosity, can be effectively attached to the outer surface of the rotating shaft 200 or the metal wire 210, the problem of the solution rapidly falling off the rotary shaft 200 or the wire 210 does not occur. When the spray cartridge 400 is removed, the solution is formed on the outer circumference of the wire 210 by a taylor cone and rapidly formed on the receiving electrode upward by the high voltage electric field. The wire 210 is wound around the rotary shaft 200 so that it is easier to form the protrusions, facilitating the formation of the taylor cone.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, the bottom of the inner cavity of the liquid spraying box 400 is an inverted cone, the lower end of the liquid spraying box 400 is further provided with a first recycling pipe 430 for communicating with the liquid supply tank 410, and the outer circumference of the first recycling pipe 430 is sleeved with a drag chain 600. The tow chain 600, also known as a wire and cable protection tow chain 600, is a device that constrains a cable or wire to facilitate its rotation and movement. In the embodiment, the drag chain 600 is applied to the reciprocating motion, the liquid spraying box 400 is sleeved on the periphery of the rotating shaft 200 and reciprocates along the rotating shaft 200 under the action of the second driving member 500, so that the liquid supply pipe at the inlet end of the liquid spraying box 400 is driven to reciprocate along the rotating shaft 200, the drag chain 600 can play a role in dragging and protecting the built-in liquid supply pipe, and the problem that the outer wall of the liquid supply pipe is damaged along with the liquid spraying and the reciprocating motion is avoided. In the embodiment, a part of the solution is sprayed to the region outside the rotating shaft 200 and the wire 210 while the spraying box 400 sprays the liquid onto the rotating shaft 200 and the wire 210, and the part of the solution is recycled, and the solution is guided to the liquid supply tank 410 through the first recovery pipe 430 which is arranged at the bottom of the spraying box 400 and is communicated with the spraying box 400, so that the solution is recycled again. The first recovery pipe 430 may be disposed in the drag chain 600, so that the service life of the first recovery pipe 430 may be prolonged, and damage to the pipe body during the reciprocating movement of the spray box 400 may be avoided.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 to 5, the second driving member 500 includes a second lead screw 540, a second guide rail 550 and a guide block 560; the second lead screw 540 is disposed below the rotation shaft 200 in parallel to the rotation shaft 200; the second guide rail 550 is arranged below the second lead screw 540 in parallel with the second lead screw 540; the lower end of the guide block 560 is provided with a second slider 561 for sliding connection with the second guide rail 550, the upper end is provided with an internal thread for threaded connection with the second lead screw 540, and the upper end of the guide block 560 is fixedly connected with the spray box 400. In this embodiment, a lead screw drive assembly is provided below the rotary shaft 200. The lower end of the guide block 560 is located in the second guide rail 550 and can horizontally slide along the second guide rail 550, the upper portion of the guide block 560 is provided with an internal thread for being in threaded connection with the second lead screw 540, and the guide block 560 is driven to move along the axial direction of the rotating shaft 200 through the rotation of the second lead screw 540, so that the spray box 400 is driven to horizontally reciprocate on the outer peripheries of the rotating shaft 200 and the wire 210.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 to 5, the two sidewalls of the inner cavity of the liquid spraying box 400 incline inward from top to bottom, the lower portion of the outer side of the liquid spraying box 400 is provided with a second recycling pipe 440 communicated with the liquid supply tank 410, and the outer periphery of the second recycling pipe 440 is sleeved with a drag chain 600. In this embodiment, the spray cartridge 400 is connected to the upper end of the guide 560 through the lower end, and in order to smoothly connect the second recovery pipe 440 to the spray cartridge 400, the second recovery pipe 440 may be disposed at a side surface of the spray cartridge 400 to avoid position interference with the lower guide 560. In addition, the spray cartridge 400 may be provided in a form that a width in a direction perpendicular to a major axis of the rotation shaft 200 is greater than a width of the guide 560, and the second recovery pipe 440 can be provided on a bottom space that is widened from the spray cartridge 400 with respect to the guide 560, and then the drag chain 600 is provided around the outer circumference of the second recovery pipe 440 for protecting the second recovery pipe 440 from abrasion. In order to improve the solution collecting effect of the liquid spraying box 400, the lower parts of the two inner walls of the liquid spraying box 400 are inclined towards the middle part, so that the effective gathering of the solution can be improved, and the solution can be conveniently and timely guided out by the second recovery pipe 440.
As a specific implementation manner of the embodiment of the present invention, two sets of wires 210 with opposite rotation directions are disposed on the rotating shaft 200, and the pitches of the two sets of wires 210 are the same. The wire 210 sets up the multiunit on rotation axis 200, and every group is a steel wire from rotation axis 200's one end to other end spiral winding, in this embodiment, adopts two wires 210 to twine according to the opposite, the same form of pitch of turning to, can improve the quantity of rotation axis 200 periphery salient point, and reinforcing wire 210 carries the ability of solution, and then can be more high efficiency to receiving utmost point one side shaping, improves the shaping efficiency.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5, a quantitative liquid feeding pump 420 is disposed between the liquid spraying box 400 and the liquid feeding box 410, and the quantitative liquid feeding pump 420 is a peristaltic pump. Since the liquid ejecting cartridge 400 should maintain a constant liquid ejecting speed when ejecting the liquid onto the rotary shaft 200 and the wire 210, the constant liquid supply pump 420 provided between the liquid supply tank 410 and the liquid ejecting cartridge 400 can stabilize the liquid supply amount and ensure the uniform formation of the fiber filaments on the receiver. Because the solution has a certain viscosity, in this embodiment, the quantitative liquid feeding pump 420 uses a peristaltic pump to feed the solution, the peristaltic pump has a stable quantitative liquid feeding effect, and the elastic conveying hose of the peristaltic pump is alternately squeezed and released to pump the fluid, so that the effect of continuously and quantitatively conveying the viscous fluid can be realized, and the supply of the polymer solution is stable.
Referring to fig. 1, 2 and 4, the liquid spraying box 400 is connected to the quantitative liquid feeding pump 420 through a liquid feeding pipe, and a drag chain 600 is sleeved outside the liquid feeding pipe. The liquid supply tube is used for supplying liquid to the liquid spray box 400 and is arranged above the rotating shaft 200 through the drag chain 600, so that the position interference between the liquid supply tube and the rotating shaft 200 and between the liquid supply tube and the metal wire 210 when the liquid spray box 400 reciprocates on the rotating shaft 200 is avoided, and the abrasion of the liquid supply tube can be reduced. In this embodiment, when the liquid discharging cartridge 400 moves toward the first driving member 300, the liquid is not discharged, and when the liquid discharging cartridge 400 moves away from the first driving member 300, the liquid is discharged, and the solution on the wire 210 is smoothly formed toward the receiving electrode side as the upper drag chain 600 moves away.
The utility model also provides an electrostatic spinning equipment, including the rotatory projecting pole of electrostatic spinning and set up in the receiving electrode of the rotatory projecting pole top of electrostatic spinning, the rotatory projecting pole of electrostatic spinning links to each other with high voltage power supply's one utmost point, and the receiving electrode links to each other with high voltage power supply's another utmost point. The receiving electrode of the electrostatic spinning equipment is arranged above the electrostatic spinning rotary emitting electrode, and the solution emitted from the electrostatic spinning rotary emitting electrode is formed on the receiving electrode under the action of a high-voltage electric field. The positive electrode and the negative electrode of the high-voltage power supply are respectively connected with the receiving electrode and the electrostatic spinning rotary emitting electrode, and when the electrostatic spinning rotary emitting electrode is connected with the positive electrode of the high-voltage power supply, the receiving electrode is connected with the negative electrode of the high-voltage power supply; when the electrostatic spinning rotating emitting electrode is connected with the negative electrode of the high-voltage power supply, the receiving electrode is connected with the positive electrode of the high-voltage power supply, and the two modes can realize the formation of a high-voltage electric field between the receiving electrode and the high-voltage power supply, so that a stable spinning effect is achieved.
The utility model provides an electrostatic spinning equipment, its projecting pole has adopted spiral winding to have the rotation axis 200 of wire 210, and utilize hydrojet box 400 to carry out the hydrojet operation to above-mentioned part, the ability of electrostatic spinning rotation projecting pole storage solution has been increased, and the production volume of taylor awl has been improved, make wire 210 and rotation axis 200 periphery be stained with and have attached solution, when hydrojet box 400 is putd aside from the top, solution just to receiving electrode one side shaping under high-tension field's effect, even efficient shaping effect has.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An electrostatic spinning rotating emitter connected to one pole of a high voltage power supply, comprising:
a frame body;
the two ends of the rotating shaft are respectively and rotatably connected with the frame body, and the periphery of the rotating shaft is wound with a metal wire;
the first driving piece is connected with one end of the rotating shaft;
the spraying box is sleeved on the periphery of the rotating shaft, and the inlet end of the spraying box is connected with the liquid supply box; and
and the upper end of the second driving part is connected with the liquid spraying box and is used for driving the liquid spraying box to move along the axial direction of the rotating shaft.
2. An electrostatic spinning rotating emitter according to claim 1 wherein said second drive member comprises:
a first guide rail disposed below the rotation shaft in parallel with the rotation shaft;
the first lead screw is arranged below the first guide rail in parallel with the first guide rail; and
the frame is sleeved on the rotating shaft, the first guide rail and the outer portion of the first lead screw, the inner top surface of the frame is fixedly connected with the liquid spraying box, and a first sliding block which is used for being connected with the first guide rail in a sliding mode and a first screw which is arranged above the first sliding block and is used for being matched with the first lead screw are fixedly arranged on the inner side of the frame.
3. The electrostatic spinning rotating emitter according to claim 2, wherein the bottom of the inner cavity of the liquid jet box is in an inverted cone shape, and a first recovery pipe for communicating with the liquid supply tank is further arranged at the lower end of the liquid jet box.
4. An electrostatic spinning rotating emitter according to claim 1 wherein said second drive member comprises:
a second lead screw disposed below the rotation shaft in parallel with the rotation shaft;
the second guide rail is arranged below the second lead screw in parallel with the second lead screw; and
and the lower end of the guide block is provided with a second sliding block which is used for being in sliding connection with the second guide rail, the upper end of the guide block is provided with an internal thread which is used for being in threaded connection with the second lead screw, and the upper end of the guide block is fixedly connected with the liquid spraying box.
5. The electrostatic spinning rotating emitter according to claim 4, wherein two side walls of the inner cavity of the liquid spraying box are inclined inwards from top to bottom, and a second recovery pipe communicated with the liquid supply tank is arranged at the lower part of the outer side of the liquid spraying box.
6. An electrostatic spinning rotating emitter according to claim 1 wherein said wires are provided in two sets of opposite sense on said axis of rotation.
7. An electrostatic spinning rotating emitter according to claim 6 wherein the pitch of both sets of wires is the same.
8. An electrostatic spinning rotary emitter according to any one of claims 1 to 7 wherein a dosing pump is provided between the spray box and the supply tank, the dosing pump being a peristaltic pump.
9. The electrostatic spinning rotating emitter according to claim 8, wherein the liquid spray box is connected with the quantitative liquid supply pump through a liquid supply pipe, and a drag chain is sleeved outside the liquid supply pipe.
10. An electrospinning device comprising an electrospinning rotating emitter according to any of claims 1-9 connected to one pole of a high voltage power supply and a receiver arranged above the electrospinning rotating emitter, the receiver connected to the other pole of the high voltage power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921436920.2U CN211311677U (en) | 2019-08-30 | 2019-08-30 | Electrostatic spinning rotary emitter and electrostatic spinning equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921436920.2U CN211311677U (en) | 2019-08-30 | 2019-08-30 | Electrostatic spinning rotary emitter and electrostatic spinning equipment |
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| CN211311677U true CN211311677U (en) | 2020-08-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214737A (en) * | 2021-12-16 | 2022-03-22 | 中北大学 | Electrostatic spinning equipment |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214737A (en) * | 2021-12-16 | 2022-03-22 | 中北大学 | Electrostatic spinning equipment |
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