CN209508464U - A kind of electrostatic spinning apparatus preparing fluffy nanofiber - Google Patents
A kind of electrostatic spinning apparatus preparing fluffy nanofiber Download PDFInfo
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- CN209508464U CN209508464U CN201821613927.2U CN201821613927U CN209508464U CN 209508464 U CN209508464 U CN 209508464U CN 201821613927 U CN201821613927 U CN 201821613927U CN 209508464 U CN209508464 U CN 209508464U
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- electrostatic spinning
- nanofiber
- reception device
- spinning apparatus
- power supply
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Abstract
The utility model discloses a kind of electrostatic spinning apparatus for preparing fluffy nanofiber, including injection apparatus, reception device and high voltage power supply, the voltage range of high voltage power supply is 1-30kV, for constructing strong electrical field between injection apparatus and reception device, to realize electrostatic spinning, injection apparatus includes: micro-injection pump, syringe and spray head, it is equipped with the liquid storage chamber for accommodating spinning solution inside syringe and forms liquid outlet in end, spray head is installed at liquid outlet and connect with an electrode of high voltage power supply, reception device includes a conducting plate connecting with another electrode pole of high voltage power supply, multiple conducting boss of ordered arrangement are fixed on the receiving plane of conducting plate, conducting boss is formed such that reception device concave-convex surface rises and falls, the nanofiber that spinning is formed is intensively fluffy in recess structure in convex, fluffy nanometer Fibre structure porosity is high, is excellent filtering material, while being easily isolated between product and reception device.
Description
Technical field
The utility model relates to electrostatic spinning technique fields, and in particular to a kind of electrostatic spinning for preparing fluffy nanofiber
Device.
Background technique
Electrostatic spinning is a kind of special fiber fabrication process, and polymer solution or melt carry out injection spinning in strong electrical field
Silk.Under electric field action, the drop at syringe needle can be become conical (i.e. " taylor cone ") from spherical shape, and be extended from conical tip
To fiber filaments.This mode can produce the polymer filaments of nanometer grade diameter.
However, during high-voltage electrostatic spinning, the web arrived using simple flat panel collector, web and receiver board
Between have a very strong adhesive force, when collecting web, web needs very big tension, due to electrostatic spinning under the conditions of majority
Rate of extension is lower, and spinning distance is very short, therefore macromolecular orientation development is not perfect in this course, electro spinning nano fiber
Intensity is lower, therefore is easy to draw bad substrate or partial region overtension to form fold, at the same web be laid in it is plate shaped
It is layering on receiver board, the hole between fiber web layer is small, fluffy degree is low, poor filtration effect.
Utility model content
The technical problem to be solved by the present invention is to provide one kind can prepare the quiet of the high nanofiber of fluffy degree
Electrospun receiver board improves the strainability of nanofiber filtration material.
In order to solve the above-mentioned technical problem, the utility model provides a kind of electrostatic spinning dress for preparing fluffy nanofiber
It sets, including injection apparatus, reception device and high voltage power supply, the voltage range of high voltage power supply is 1-30kV, in injection apparatus
Strong electrical field is constructed between reception device, to realize electrostatic spinning, the injection apparatus includes: micro-injection pump, syringe
And spray head, the syringe inside are equipped with the liquid storage chamber for accommodating spinning solution and form liquid outlet, the spray head in end
It is installed at liquid outlet and is connect with an electrode of high voltage power supply, the reception device includes one and another electrode of high voltage power supply
The conducting plate of pole connection, multiple conducting boss of ordered arrangement, conducting boss are fixed on the receiving plane of the conducting plate
It is formed such that reception device concave-convex surface rises and falls, the nanofiber that spinning is formed is intensively fluffy in recess structure in convex, fluffy
Loose nanofibrous structures porosity is high, is excellent filtering material, while discontinuous laminating between nanofiber and reception device,
Adhesive force between the two weakens, convenient for separating nanofiber product from reception device.
Preferably, the spacing between the conducting boss is 1mm-20mm, forms suitable convex-concave surface.
Preferably, the height of the conducting boss is 1mm-20mm, forms suitable convex-concave surface.
Preferably, the conducting boss forms concaveconvex structure between pylon, with conducting plate.
Preferably, the conducting boss is frustum, seamlessly transits between convex surface and concave surface, makes the nanofiber product to be formed
Structure is more uniform.
Preferably, the basal diameter of the frustum is 2mm-50mm, and the top surface diameter of the frustum is 1mm-30mm, is guaranteed
The top surface of frustum is seamlessly transitted to bottom surface.
Preferably, the conducting plate is arc panel, and the ratio between the arc length of the arc panel and plate are wide is greater than 5:1, the spray
The mouth spray of head improves nanofiber product thickness and fineness towards the inner plate surface of arc panel and the center of face cambered surface
Homogeneity.
Preferably, the arc panel radius is 80-500mm, and the radius of arc panel can be adjusted according to the actual situation.
A kind of electrostatic spinning apparatus preparing fluffy nanofiber of the utility model, beneficial effect compared with prior art
Fruit is, by the receiving plane that setting is concave-convex, so that nanofiber product forms fluff structure, increases porosity, improves product
Filter effect, while product being facilitated to separate with reception device.
Detailed description of the invention
Fig. 1 is one overall structure diagram of the utility model embodiment；
Fig. 2 is two reception device front view of the utility model embodiment；
Fig. 3 is three structural schematic diagram of the utility model embodiment.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown in Figure 1, a kind of electrostatic spinning apparatus for preparing fluffy nanofiber, including injection apparatus 1, reception device 2
With high voltage power supply 3, the voltage range of high voltage power supply 3 is 1-30kV, strong for constructing between injection apparatus 1 and reception device 2
Electric field, to realize electrostatic spinning.Injection apparatus 1 is the device for spraying spinning solution, is specifically included: micro-injection pump 11,
Syringe 12 and spray head 13 are equipped with for accommodating the liquid storage chamber of spinning solution and forming out liquid in end inside the syringe 12
Mouthful, the piston of syringe 12 is pushed, the spinning solution in syringe 12 is finally sprayed from spray head 13 from liquid outlet release, it is described
Spray head 13 is installed at liquid outlet and connect with an electrode of high voltage power supply 3, and the reception device 2 includes one and high voltage power supply
The conducting plate 21 of 3 another electrode pole connections, constructs strong electrical field, the conducting plate between spray head 13 and conducting plate 21
Multiple conducting boss 22 of ordered arrangement, in the embodiments of the present invention one, conducting plate are fixed on 21 receiving plane
21 be surface plate 211, and the conducting boss 22 is frustum 221, and due to the prominent surface plate 211 of frustum 221, device for spinning is in frustum
Intensive spinning zone is formed on 221 top surfaces, since 211 surface of surface plate forms recess between two frustums 221, device for spinning exists
211 surface of surface plate forms sparse spinning zone, and the superposition of multi-layer nano fiber forms the high Nanowire of fluffy degree in sparse spinning zone
Product, 221 top surface of frustum and 211 smooth surface transition of surface plate are tieed up, nanofiber is smoothly transitted into sparse from intensive spinning zone
Spinning zone keeps nanofiber product integrally uniform, and the spacing between frustum 221 is 1mm-20mm, and the height of frustum 221 is 1mm-
20mm guarantees that the height of spacing and frustum 221 between frustum 221 cooperates, forms the fluff structure nanofiber to suit the requirements
Product, the basal diameter of the frustum 221 are 2mm-50mm, and the top surface diameter of the frustum 221 is 1mm-30mm, guarantee frustum
221 top surface is seamlessly transitted to bottom surface.
As shown in Fig. 2, being the structure front view of the conducting plate 21 of the utility model embodiment two, conduction in the present embodiment
Protrusion is pylon 222, and the spacing between pylon 222 is 1mm-20mm, and the height of pylon 222 is 1mm-20mm, guarantees pylon 222
Between spacing and pylon 222 height cooperate, form the fluff structure nanofiber product to suit the requirements.It is worth explanation
It is that the reception device 2 in the embodiments of the present invention one and embodiment two can not only make spinning form fluffy nanofiber
Product, simultaneously as 2 concave-convex surface of reception device rises and falls, so that discontinuous laminating between nanofiber and reception device 2, the two
Between adhesive force weaken, convenient for nanofiber product is separated from reception device 2.
As shown in figure 3, for three overall structure diagram of the utility model embodiment, in the present embodiment, the conducting plate
21 be arc panel 212, and the ratio between the arc length of the arc panel 212 and plate are wide is greater than 5:1, and the mouth spray of the spray head 13 is towards arc
The inner plate surface of plate 212 and the center of face cambered surface, the thickness of the nanofiber lamellae obtained in such cases and thin
It is quite high to spend homogeneity, it is preferred that 212 radius of arc panel is 80-500mm, can also be obtained by replacement arc panel 212
Obtain different 212 radiuses of arc panel.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (8)
1. a kind of electrostatic spinning apparatus for preparing fluffy nanofiber, which is characterized in that including injection apparatus, reception device and height
Voltage source, the injection apparatus include: micro-injection pump, syringe and spray head, are equipped with inside the syringe and spin for accommodating
The liquid storage chamber of silk solution simultaneously forms liquid outlet in end, and the spray head is installed on the electrode at liquid outlet and with high voltage power supply
Connection, the reception device includes a conducting plate connecting with another electrode pole of high voltage power supply, the reception of the conducting plate
Multiple conducting boss of ordered arrangement are fixed on face.
2. a kind of electrostatic spinning apparatus for preparing fluffy nanofiber as described in claim 1, which is characterized in that the conduction
Spacing between boss is 1mm-20mm.
3. a kind of electrostatic spinning apparatus for preparing fluffy nanofiber as described in claim 1, which is characterized in that the conduction
The height of boss is 1mm-20mm.
4. a kind of electrostatic spinning apparatus for preparing fluffy nanofiber as described in claim 1, which is characterized in that the conduction
Boss is pylon.
5. a kind of electrostatic spinning apparatus for preparing fluffy nanofiber as described in claim 1, which is characterized in that the conduction
Boss is frustum.
6. a kind of electrostatic spinning apparatus for preparing fluffy nanofiber as claimed in claim 5, which is characterized in that the frustum
Basal diameter be 2mm-50mm, the top surface diameter of the frustum is 1mm-30mm.
7. a kind of electrostatic spinning apparatus for preparing fluffy nanofiber as described in claim 1, which is characterized in that the conduction
Plate is arc panel, and the ratio between the arc length of the arc panel and plate are wide is greater than 5:1, and the mouth spray of the spray head is towards in arc panel
The center of plate face and face cambered surface.
8. a kind of electrostatic spinning apparatus for preparing fluffy nanofiber as claimed in claim 7, which is characterized in that the arc
Plate radius is 80-500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613927.2U CN209508464U (en) | 2018-09-30 | 2018-09-30 | A kind of electrostatic spinning apparatus preparing fluffy nanofiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613927.2U CN209508464U (en) | 2018-09-30 | 2018-09-30 | A kind of electrostatic spinning apparatus preparing fluffy nanofiber |
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| CN209508464U true CN209508464U (en) | 2019-10-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923826A (en) * | 2019-11-04 | 2020-03-27 | 南京工业职业技术学院 | Electrostatic spinning device and method for preparing fluffy nano short fibers |
| CN114561709A (en) * | 2021-11-19 | 2022-05-31 | 东华大学 | Electrostatic electret receiving device for preparing ceramic fiber aerogel |
| CN115161782A (en) * | 2022-07-14 | 2022-10-11 | 华南理工大学 | Electrospun fiber composite electrode structure and patterning manufacturing method thereof |
-
2018
- 2018-09-30 CN CN201821613927.2U patent/CN209508464U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923826A (en) * | 2019-11-04 | 2020-03-27 | 南京工业职业技术学院 | Electrostatic spinning device and method for preparing fluffy nano short fibers |
| CN114561709A (en) * | 2021-11-19 | 2022-05-31 | 东华大学 | Electrostatic electret receiving device for preparing ceramic fiber aerogel |
| CN114561709B (en) * | 2021-11-19 | 2023-02-07 | 东华大学 | Electrostatic electret receiving device for preparing ceramic fiber aerogel |
| CN115161782A (en) * | 2022-07-14 | 2022-10-11 | 华南理工大学 | Electrospun fiber composite electrode structure and patterning manufacturing method thereof |
| CN115161782B (en) * | 2022-07-14 | 2023-12-19 | 华南理工大学 | Electrospun fiber composite electrode structure and patterning manufacturing method thereof |
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