CN208023132U - A kind of multiple injector electrostatic spinning device - Google Patents
A kind of multiple injector electrostatic spinning device Download PDFInfo
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- CN208023132U CN208023132U CN201820388680.2U CN201820388680U CN208023132U CN 208023132 U CN208023132 U CN 208023132U CN 201820388680 U CN201820388680 U CN 201820388680U CN 208023132 U CN208023132 U CN 208023132U
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Abstract
The utility model provides a kind of multiple injector electrostatic spinning device, belong to electrostatic spinning technique field, including spinning solution spinning appts, high voltage power supply, the collecting board being set to above spinning solution spinning appts and to spinning solution spinning appts convey spinning solution spinning solution liquid feed device, several nozzles that spinning solution spinning appts include horizontally disposed jet pipe and are arranged at intervals at successively on jet pipe, nozzle is glass material, high voltage power supply is connected with the metal electrode of nozzle tip, and the outlet of spinning solution liquid feed device is connected with jet pipe bottom.Multiple injector electrostatic spinning device provided by the utility model, collecting board are located above nozzle and are grounded, and are conducive to electric jet stream faster solvent flashing, bending and stretching when close to collecting board under electric field force effect；Nozzle is glass material, avoids accumulation, high voltage power supply from connecting to form electric field needed for spinning solution with jet pipe, ensure that the stability of more jet streams so that the electrospinning fibre film uniformity on collecting board is good.
Description
Technical field
The utility model belongs to electrostatic spinning technique field, is to be related to a kind of multi-nozzle electrospinning dress more specifically
It sets.
Background technology
Nowadays, electrostatic spinning technique has become the effective technology means for preparing nanofiber, is by will be most of
Polymer etc. is processed into electrospinning fibre and realizes；Its operation principle be using high voltage power supply spinning solution nozzle and collecting board it
Between form high-pressure electrostatic electric field force, spinning solution forms drop at nozzle, and drop forms Taylor under electric field force effect and bores.When
When electric field force is sufficiently large, charged drop overcomes Taylor poppet surface tension to form electrified jet, and electrified jet is leaned on to collecting board
Along with the volatilization, bending and stretching of solvent while close, it is finally collected plate reception, forms the electrospinning fibre of random alignment
Film.
Currently, spinning solution nozzle is metal material, high voltage power supply is located between nozzle and collecting board, and charge is in nozzle surface
The different place of radius of curvature is unevenly distributed, and the gap by outer surface between the small local structural elements of radius of curvature is big, electricity
Lotus assembles closeer herein；At the smaller nozzle tip of radius of curvature, the structural elements gap bigger of outer surface, accumulation is more
Close, intensive charge unconventional movement herein, forms higher voltage, and do not constrain effectively, so charge is easy herein
It is excessive, form the point discharge of object.Due to above, the stability of more jet streams is caused to be difficult to ensure so that final to collect
Electrospun fiber membrane on plate is in uneven thickness, influences production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of multiple injector electrostatic spinning devices, to solve spinning solution in the prior art
Nozzle distribution of charges is uneven, leads to the unstable technical problem of more jet streams.
To achieve the above object, the technical solution adopted in the utility model is, provides a kind of multi-nozzle electrospinning dress
It sets, including spinning solution spinning appts, high voltage power supply, the collecting board being set to above the spinning solution spinning appts and to described
Spinning solution spinning appts convey the spinning solution liquid feed device of spinning solution, and the spinning solution spinning appts include horizontally disposed jet pipe
Several nozzles being arranged at intervals at successively on the jet pipe, the nozzle be glass material, the high voltage power supply with it is described
The metal electrode of nozzle tip is connected, and the spinning solution liquid feed device outlet is connected with the jet pipe bottom.
Further, the spinning solution liquid feed device include inlet pipe, the feeding pump in the inlet pipe with
And the containing liquid chamber being connected to the inlet pipe entrance, the inlet pipe outlet end are connected with the jet pipe bottom.
Further, the jet pipe internal diameter is 1 millimeter~5 centimetres.
Further, the inlet pipe is equipped with liquid flow regulating valve.
Further, the spacing between two adjacent nozzles is 1~50 centimetre.
Further, several described nozzle internal diameters are 0.1~2 millimeter.
Further, several described nozzle length are 0.5 millimeter~60 centimetres.
A kind of advantageous effect of multiple injector electrostatic spinning device provided by the utility model is：Compared with prior art,
Multiple injector electrostatic spinning device provided by the utility model, collecting board are located at the top of nozzle and ground connection, in electric field force effect
Under be conducive to electric jet stream faster solvent flashing, bending and stretching when close to collecting board；Nozzle is glass material, avoids electricity
Lotus assembles, and high voltage power supply connect to form electric field needed for spinning solution with jet pipe, ensure that the stability of more jet streams so that on collecting board
Electrospinning fibre film uniformity it is good, improve production efficiency.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram for the multiple injector electrostatic spinning device that the utility model embodiment provides；
Wherein, each reference numeral in figure：
1, spinning solution spinning appts；2, high voltage power supply；3, spinning solution liquid feed device；4, collecting board；5, jet pipe；6, nozzle；
7, feeding pump；8, inlet pipe；9, containing liquid chamber；10, liquid flow regulating valve.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, does not indicate or imply the indicated device or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple ", " several " are meant that two in the description of the present invention,
It is a or more than two, unless otherwise specifically defined.
Referring to Fig. 1, existing illustrate multiple injector electrostatic spinning device provided by the utility model.More nozzles are quiet
Electric spinning device, including spinning solution spinning appts 1, high voltage power supply 2, the collection for being set to 1 top of the spinning solution spinning appts
Plate 4 and the spinning solution liquid feed device 3 that spinning solution is conveyed to the spinning solution spinning appts 1, the spinning solution spinning appts 1 wrap
Several nozzles 6 for including horizontally disposed jet pipe 5 and being arranged at intervals at successively on the jet pipe 5, the nozzle 6 are glass material
Matter, the high voltage power supply 2 are connected with the metal electrode of 5 end of the jet pipe, the outlet of spinning solution liquid feed device 3 and the spray
5 bottom of pipe is connected.
A kind of advantageous effect of multiple injector electrostatic spinning device provided by the utility model is：Compared with prior art,
Collecting board is located at the top of nozzle and ground connection, and it is faster when close to collecting board to be conducive to electric jet stream under electric field force effect
Solvent flashing, bending and stretching；Nozzle is glass material, and accumulation, high voltage power supply is avoided to connect to form spinning solution with jet pipe
Required electric field ensure that the stability of more jet streams so that the electrospinning fibre film uniformity on collecting board is good, improves production efficiency.
The utility model mesohigh power supply is connect by spring with jet pipe, and collecting board is the conductive receiver net above nozzle, mainly
For receiving nanofiber, conductive receiver net is mounted on metallic support, holder ground connection, to the shape between collecting board and nozzle
At high-voltage electrostatic field, nozzle easy cleaning, the corrosion resistance of glass material are strong；It is, of course, also possible to radial and axial on jet pipe 5
On be equipped with nozzle 6, increase by 6 quantity of nozzle, increase unit interval spinneret amount.
As further optimization, the spinning solution liquid feed device 3 includes inlet pipe 8, is located in the inlet pipe 8
Feeding pump 7 and the containing liquid chamber 9 that is connected to 8 entrance of the inlet pipe, 8 outlet end of the inlet pipe and the jet pipe 5
Bottom is connected.
Spinning solution feed flow is entered from 9 outlet end of containing liquid chamber in inlet pipe 8 in the utility model, passes through inlet pipe 8
On feeding pump 7 be transported in jet pipe 5, then into each nozzle 6, using the pressure of feeding pump 7, sprayed from nozzle 6
Go out to be formed Taylor cones, Taylor cones become spinning jet under electric field force effect, and it is good that uniformity is finally formed on collecting board 4
Good electrospun fiber membrane.
As further optimization, 5 internal diameter of the jet pipe is 1 millimeter~5 centimetres.
The both ends of jet pipe 5 are shut with closure plate in the utility model, and top trepanning is connected to nozzle 6, jet pipe 5 and nozzle 6
Connection type can be welding, threaded connection etc., as long as can guarantee the leakproofness of the two, generally in order to which good dismounting all uses
It is threadedly coupled, there is internal thread, the lower part of nozzle 6 to be equipped with external screw thread in the trepanning on jet pipe 5,5 inner diameter size of jet pipe is with required liquid
Body flow is related, can be selected according to on-site actual situations.
As further optimization, the inlet pipe 8 is equipped with liquid flow regulating valve 10.
Regulating valve 10 is arranged close to 9 side of containing liquid chamber in the utility model, and liquid level can also be added on containing liquid chamber 9
Meter facilitates the storage capacity of monitoring 9 spinning solution of containing liquid chamber.
As further optimization, the spacing between adjacent two nozzles 6 is 1~50 centimetre.
Nozzle 6 arranges more crypto set than the prior art in the utility model, is more in line with the demand of industrialized production, adjacent
The spacing size of nozzle 6 is critically important, determines that the quantity of more jet streams, the reasonability of spacing determine final products electrospun fiber membrane
Quality.
As further optimization, several 6 internal diameters of nozzle are 0.1~2 millimeter.
6 inner diameter size of nozzle has a significant impact to spinneret working efficiency in the utility model, and test of many times shows at this
Working efficiency is highest in range.
As further optimization, several 6 length of nozzle are 0.5 millimeter~60 centimetres.
6 length of nozzle is optimal in the above range in the utility model, and high voltage power supply 2 is passed through spring and jet pipe 5
Connection so that for spinning solution just by electric field force effect in jet pipe 5, the electric field force that spinning solution is subject in nozzle 6 is stronger.
All any modification, equivalent and improvement made within the spirit and principle of the present invention etc. should all wrap
Containing being within the protection scope of the utility model.
Claims (7)
1. a kind of multiple injector electrostatic spinning device, which is characterized in that including spinning solution spinning appts (1), high voltage power supply (2), set
The collecting board (4) that is placed in above the spinning solution spinning appts (1) and convey spinning solution to the spinning solution spinning appts (1)
Spinning solution liquid feed device (3), the spinning solution spinning appts (1) include horizontally disposed jet pipe (5) and successively interval setting
In several nozzles (6) on the jet pipe (5), the nozzle (6) is glass material, the high voltage power supply (2) and the spray
The metal electrode for managing (5) end is connected, and spinning solution liquid feed device (3) outlet is connected with the jet pipe (5) bottom.
2. multiple injector electrostatic spinning device according to claim 1, which is characterized in that the spinning solution liquid feed device (3)
It is connected to including inlet pipe (8), the feeding pump (7) being located in the inlet pipe (8) and with the inlet pipe (8) entrance
Containing liquid chamber (9), inlet pipe (8) outlet end is connected with the jet pipe (5) bottom.
3. multiple injector electrostatic spinning device according to claim 2, which is characterized in that jet pipe (5) internal diameter is 1 millimeter
~5 centimetres.
4. multiple injector electrostatic spinning device according to claim 2, which is characterized in that the inlet pipe (8) is equipped with
Liquid flow regulating valve (10).
5. multiple injector electrostatic spinning device according to claim 1, which is characterized in that two adjacent nozzles (6)
Between spacing be 1~50 centimetre.
6. multiple injector electrostatic spinning device according to claim 1, which is characterized in that several described nozzle (6) internal diameters
It is 0.1~2 millimeter.
7. multiple injector electrostatic spinning device according to claim 1, which is characterized in that several described nozzle (6) length
It is 0.5 millimeter~60 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820388680.2U CN208023132U (en) | 2018-03-21 | 2018-03-21 | A kind of multiple injector electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820388680.2U CN208023132U (en) | 2018-03-21 | 2018-03-21 | A kind of multiple injector electrostatic spinning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208023132U true CN208023132U (en) | 2018-10-30 |
Family
ID=63908184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820388680.2U Active CN208023132U (en) | 2018-03-21 | 2018-03-21 | A kind of multiple injector electrostatic spinning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208023132U (en) |
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2018
- 2018-03-21 CN CN201820388680.2U patent/CN208023132U/en active Active
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