CN207002878U - A kind of pearl head nozzle electrospinning device - Google Patents
A kind of pearl head nozzle electrospinning device Download PDFInfo
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- CN207002878U CN207002878U CN201720861754.5U CN201720861754U CN207002878U CN 207002878 U CN207002878 U CN 207002878U CN 201720861754 U CN201720861754 U CN 201720861754U CN 207002878 U CN207002878 U CN 207002878U
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Abstract
The utility model discloses a kind of pearl head nozzle electrospinning device, belong to electrostatic spinning field.It includes feed liquor propulsion plant, pearl head spinneret system, electric power system and reception system.The pearl head nozzle electrospinning device forms gap so that liquid flows out using pearl head with drain pipe cone mouth, the lower one or more taylor cones of generation are excited in high voltage electric field, rotated by pearl head, can effectively solve capillary needle type static spinning clogging.Pearl head can be dismantled after electrostatic spinning preparation terminates and be easy to clean.By the condition of work of the different situations such as liquid viscosity needed for, drain pipe cone mouth is handled, prepares the different uniform leakage mouth of size, can expand solution can spin scope, and be produced available for the preparation of melt spinning.With reference to the adjustable reception distance of the size of bead size and solution concentration, and then far and near field spinning can be realized.
Description
Technical field
The utility model belongs to electrostatic spinning apparatus field, more particularly to pearl header structure electrostatic spinning apparatus, belongs to nanometer
Fiber preparation field.
Background technology：
Electrostatic spinning refers under the voltage conditions of volts thousands of or even up to ten thousand so that the band of polymer solution or melt is electro-hydraulic
Drop under electric field force effect and form taylor cone, in the case where overcoming surface tension effects, charged drop sprays to form thread, with injection
Process evaporation curable so that solute or melt are collected in the reception device for be connected to negative voltage in solution, and then form non-woven fabrics
Micro nanometer fiber film.
Electrostatic spinning is to prepare one of micro nanometer fiber more effective method at present.Its device structure is simple, and operation is easy
OK, can woven material enrich, wide material sources, technology condition is easy and effective and controllable.
Conventional electrostatic spinning is carried out under high voltage electric field environment into silk using single metal kernel small needle tube to material, its yield compared with
It is low, and easily blocked at liquid outlet, cause spinning process unstable, molding effect is bad, is not easy to clean after spinning.
Electrospinning device is set to be easy to the patent of cleaning to have much using separable dismounting mode, Liu Jian etc. is conductive by spinning
Syringe needle separates (201610804952.8) with liquid-supplying system, using the solid syringe needle of more metals outside add insulation drain rod on the basis of
Implementation electrospinning is simultaneously controllable, is easy to clean.
Utility model content：
In view of the shortcomings of the prior art, technical problem to be solved in the utility model is to provide using pearl head as core spinneret
The electrostatic spinning apparatus of structure, so as to solve the blocking of conventional needle tubular type electrostatic spinning apparatus syringe needle, clean the problems such as inconvenient.
A kind of pearl head nozzle electrospinning device, including feed liquor propulsion plant, pearl head spinneret system, electric power system and reception
System, the pearl head spinneret system is by pearl is first 7, support spring 6, drain pipe form；The drain pipe is hollow cylindrical structure,
It is made up of the drain pipe bottom 5 of drain pipe top 3 and bottom with round platform closing-in structure, the two threaded connection and drain pipe top 3
Interior diameter is less than the interior diameter of drain pipe bottom 5；The top of drain pipe top 3 is tightly connected with feed liquor propulsion plant, drain pipe bottom 5
Built-in support spring 6, the one end of support spring 6 are connected highlight with bottom using the heavy wall of drain pipe top 3 and fixed, and the other end is withstood
Pearl first 7, first 7 diameter of pearl are less than the diameter of drain pipe bottom 5 and more than diameters at the round platform closing in of bottom, are fixed from down pearl head
Fall；Small gaps are processed at the bottom round platform closing in of drain pipe bottom 5 with first 7 contact position of pearl to flow out for fluid.
Uniform or non-uniform zigzag is processed into described pearl head spinneret system at the bottom round platform closing in of drain pipe bottom 5
Shape, rectangular-shaped or arc-shaped, make pearl head form larger gap with drain pipe cone mouth, and the spinning for being easy to concentration larger is molten
Liquid stream goes out.
First 7 a diameter of 0.35mm of pearl is between 18mm, and the overall dimensions of pearl head spinneret system are according to first 7 big ditty of pearl
It is whole.
It can be used for closely spinning during the first 7 a diameter of 0.35-1.5mm of the pearl；It can be used for during the first 7 a diameter of 5-18mm of pearl
Far field spinning and multiple taylor cones can be formed carry out spinning.
First 7 material of pearl is metal material, inorganic material or inert polymer polymeric material etc..
Beneficial effect：Compared with existing electrostatic spinning nozzle device, pearl header structure electrostatic spinning nozzle, which has, to be prepared simply
The advantages such as easy cleaning.And its liquid outlet quantity is effectively controlled to control electrospun fibers pattern by changing slit gap size,
It is adjusted simultaneously to receiving distance so that spinning distance range can reach (1~20cm), while pearl provided by the utility model
Head nozzle electrospinning device can form dozens of taylor cone when carrying out spinning using large-size pearl head and substantially increase
Particle or spinning coatings with micron or nanoscale are prepared, improves operating rate.
Brief description of the drawings
Fig. 1 is the overall structure diagram of slit pearl head nozzle electrospinning device embodiment of the present utility model；
Fig. 2 is slit pearl head nozzle electrospinning apparatus structure schematic diagram of the present utility model；
Fig. 3 is slit pearl head nozzle electrospinning device substructure top view of the present utility model；
Fig. 4 is slit pearl head nozzle electrospinning device partial enlarged drawing of the present utility model；
Fig. 5 is sawtooth slits pearl head nozzle electrospinning device substructure schematic diagram of the present utility model；
Fig. 6 is sawtooth slits pearl head nozzle electrospinning device pearl header structure partial enlarged drawing of the present utility model；
Fig. 7 is sawtooth slits pearl head nozzle electrospinning device broached-tooth design partial enlarged drawing of the present utility model；
Fig. 8 is sawtooth slits pearl head nozzle electrospinning device broached-tooth design enlarged drawing of the present utility model；
Fig. 9 is the PVP nanofiber SEM photographs that a kind of embodiment of the utility model pearl head nozzle electrospinning device obtains
Figure
Embodiment
The utility model is further discussed below with reference to specific embodiment and accompanying drawing：
A kind of pearl head nozzle electrospinning device (abbreviation device, referring to Fig. 1~8) of the utility model design, including enter
Liquid propulsion plant, pearl head spinneret system, electric power system and reception system.
The feed liquor propulsion plant is prior art, including spinning promotes measuring pump (referred to as promoting pump or spinning pump) 1 He
Feed tube 2, transfer passage providing the liquid accurate quantitative analysis promoted in pump into pearl head spinneret system is done by feed tube 2.
The pearl head spinneret system is core of the present utility model, mainly includes drain pipe top 3, drain pipe bottom 5, support spring 6
7 composition first with pearl；Drain pipe top 3 and bottom 5 are hollow cylindrical structures, the bottom of drain pipe bottom 5 band round platform closing-in structure,
Wherein the interior diameter on drain pipe top 3 is less than the interior diameter of drain pipe bottom 5.Drain pipe top 3 is with drain pipe bottom 5 by screw thread
Structure 4 is connected with each other.Wherein the bottom of drain pipe top 3 carries external thread structure, and the top of drain pipe bottom 5 carries internal thread.
The diameter of support spring 6 is between drain pipe top 3 and the interior diameter of bottom 5.The one end of support spring 6 is thick using drain pipe top 3
Wall is connected highlight with bottom to be fixed, and the other end withstands pearl first 7, and first 7 diameter of pearl is less than the diameter of drain pipe bottom 5 and is more than bottom
Diameter at round platform closing in, pearl head is set to be fixed from falling；By making it receive drain pipe cone to carrying out appropriate processing at closing in
Oral area point contacts to form slit with spheroid.
Told electric power system 8 is made up of positive high voltage dc source and negative high voltage dc source；Told reception system is mainly wrapped
Include and receive the conventional gear trains (reception device remainder is not shown in FIG. 1) such as base material, deflector roll.
First 7 material of pearl is metal material, inorganic material or inert polymer polymeric material etc., or wooden material
Material.
Metal material includes stainless steel, copper, aluminium, gold, silver etc., and inorganic non-metallic material includes glass, ceramics, marble,
Crystal and diamond, basalt etc.；Inert polymer material includes polytetrafluoroethylene (PTFE), PAEK, makrolon, polyimides,
Polysiloxanes, rubber etc..
The operation principle and process of the utility model device be (referring to Fig. 1)：The liquid that feed liquor propulsion plant 1 will prepare
Pearl head spinneret system is quantitatively entered by feed tube 2, enters to be loaded into drain pipe and be integrally formed from drain pipe top 3 and treats spinning
Solution storage region；By connecting electric power system 8 respectively between the drain pipe bottom 5 of pearl head spinneret system and reception system 9
Positive or negative high voltage dc source, form high-voltage electrostatic field between pearl head spinneret system and reception system 9；Spinning solution is promoting pump
Flow out, formed under the effects such as surface tension aggregation multiple small from the slit between drain pipe bottom 5 and pearl first 7 under 1 effect
Drop, there are multiple taylor cones when reaching critical electrospinning condition by adjusting voltage, once step stretching of going forward side by side is into spinning jet
Received with reception system 9.
The utility model device effectively prevent that existing syringe needle blocks during traditional needle-based electrostatic spinning and difficulty is clear
The problems such as reason, spinning speed is greatly improved, the fibre diameter fineness of gained nanofiber product is finer and controllable, significantly
Improve the yield and speed of product.Meanwhile liquid outlet quantity regulation can be controlled to receive distance according to demand and realize far and near field different distance
Spinning.
The spinning experiment that the utility model embodiment is given below is described in further detail.The spinning experiment of embodiment is only
For further illustrating the utility model, the limitation to present utility model application claim is not formed.
Embodiment 1
The spinning experiment of embodiment uses the utility model pearl head nozzle electrospinning device (referring to Fig. 1), and pearl hair style is quiet
Appropriate processing is carried out at Electrospun shower nozzle closing in makes it make drain pipe bottom round platform mouth contact to form slit with spheroid, pearl
Head is metal stainless steel material and a diameter of 0.5mm；Configured 3% good PVP solution is added and promoted in pump installation, is passed through
Feed tube provides PVP solution to pearl head spinneret system, by the way of vertical vertical spinning, reaches 12KV, reception in high voltage power supply
When distance is 1cm, electrospinning effect is best, spinning speed 0.005ml/min.
Embodiment 2
The spinning experiment of embodiment uses the utility model pearl head nozzle electrospinning device (referring to Fig. 1), and pearl hair style is quiet
Appropriate processing is carried out at Electrospun shower nozzle closing in makes it make drain pipe bottom round platform mouth contact to form slit with spheroid, pearl
Head is metal stainless steel material and a diameter of 6.3mm, and configured 5% good PVP solution, which adds, to be promoted in pump installation, by entering
Liquid pipe provides PVP solution to pearl head spinneret system, by the way of vertical vertical spin, high voltage power supply reach 12KV, receive away from
From for 7cm when, electrospinning effect is best, spinning speed 0.1ml/min.
Embodiment 3
The spinning experiment of embodiment uses the utility model pearl head nozzle electrospinning device (referring to Fig. 1), and pearl hair style is quiet
Appropriate processing is carried out at Electrospun shower nozzle closing in makes it make drain pipe bottom round platform mouth contact to form slit with spheroid, pearl
Head is metallic copper material and a diameter of 6.3mm, and configured 5% good PVP solution, which adds, to be promoted in pump installation, passes through feed tube
PVP solution is provided to pearl head spinneret system, by the way of vertical vertical spin, reaches 12KV in high voltage power supply, receive distance and be
During 7cm, electrospinning effect is best, spinning speed 0.1ml/min.
Embodiment 4
The spinning experiment of embodiment uses the utility model pearl head nozzle electrospinning device (referring to Fig. 1), and pearl hair style is quiet
Appropriate processing is carried out at Electrospun shower nozzle closing in makes it make drain pipe bottom round platform mouth contact to form slit with spheroid, pearl
Head is ceramic material and a diameter of 6.3mm)；Configured 5% good PVP solution is added and promoted in pump installation, passes through feed liquor
Pipe provides PVP solution to pearl head spinneret system, by the way of vertical vertical spinning, reaches 12KV, reception distance in high voltage power supply
For 7cm when, electrospinning effect is best, spinning speed 0.1ml/min.
Embodiment 5
The spinning experiment of embodiment uses the utility model pearl head nozzle electrospinning device (referring to Fig. 1), and pearl hair style is quiet
Appropriate processing is carried out at Electrospun shower nozzle closing in makes it make drain pipe bottom round platform mouth contact to form slit with spheroid, pearl
Head is glass material and a diameter of 6.3mm)；Configured 5% good PVP solution is added and promoted in pump installation, passes through feed liquor
Pipe provides PVP solution to pearl head spinneret system, by the way of vertical vertical spinning, reaches 12KV, reception distance in high voltage power supply
For 7cm when, electrospinning effect is best, spinning speed 0.1ml/min.
Embodiment 6
The spinning experiment of embodiment uses the utility model pearl head nozzle electrospinning device (referring to Fig. 1), and pearl hair style is quiet
Appropriate processing is carried out at Electrospun shower nozzle closing in makes it make drain pipe bottom round platform mouth contact to form slit with spheroid, pearl
Head is polytetrafluoroethylmaterial material and a diameter of 6.3mm, and configured 6% good PVP solution is added and promoted in pump installation, is passed through
Feed tube provides PVP solution to pearl head spinneret system, by the way of vertical vertical spinning, reaches 12KV, reception in high voltage power supply
When distance is 7cm, electrospinning effect is best, spinning speed 0.1ml/min.
Embodiment 7
The spinning experiment of embodiment uses the utility model pearl head nozzle electrospinning device (referring to Fig. 1), and pearl hair style is quiet
It is processed into uniform zigzag at Electrospun shower nozzle member base end round platform closing in, pearl head is metal stainless steel material and a diameter of
10mm, pearl head is set to form larger gap with drain pipe cone mouth.Configured 12% good PVA solution is added and promoted
In pump installation, PVA solution is provided to pearl head spinneret system by feed tube, by the way of vertical vertical spinning, in high voltage power supply
Reach 15KV, receive distance when be 10cm, formation dozens of taylor cone, electrospinning effect is best, spinning speed 0.3ml/min.
Embodiment 8
The spinning experiment of embodiment uses the utility model pearl head nozzle electrospinning device (referring to Fig. 1), and pearl hair style is quiet
Electrospun shower nozzle member base end round platform closes up and is processed into uniform rectangular shape, pearl head is formed with drain pipe cone mouth larger
Gap, pearl head are metal stainless steel material and a diameter of 18mm, and configured 12% good PAN solution is added and promotes pump installation
In, PAN solution is provided to pearl head spinneret system by feed tube, by the way of vertical vertical spinning, reached in high voltage power supply
When 18KV, reception distance are 20cm, electrospinning effect is best, spinning speed 0.5ml/min.
Claims (4)
1. a kind of pearl head nozzle electrospinning device, including feed liquor propulsion plant, pearl head spinneret system, electric power system and reception system
System, it is characterised in that：
The pearl head spinneret system is made up of pearl head (7), support spring (6), drain pipe；The drain pipe is hollow cylinder knot
Structure, it is made up of the drain pipe bottom (5) of drain pipe top (3) and bottom with round platform closing-in structure, the two is threadedly coupled and goes out liquid
Pipe top (3) interior diameter is less than drain pipe bottom (5) interior diameter；Drain pipe top (3) top connects with the sealing of feed liquor propulsion plant
Connect, support spring (6) built in drain pipe bottom (5), support spring (6) one end is held in the mouth using drain pipe top (3) heavy wall and bottom
Connect highlight to fix, the other end withstands pearl head (7), and pearl head (7) diameter is less than drain pipe bottom (5) diameter and is more than bottom round platform
Diameter at closing in, pearl head is set to be fixed from falling；Processed at drain pipe bottom (5) bottom round platform closing in pearl head (7) contact position
Flowed out into small gaps for fluid.
A kind of 2. pearl head nozzle electrospinning device according to claim 1, it is characterised in that：Described pearl head spinneret system
Uniform or non-uniform zigzag shape, rectangular-shaped or arc-shaped are processed into system at the bottom round platform closing in of drain pipe bottom (5), makes pearl
Head forms larger gap with drain pipe cone mouth, is easy to the spinning solution outflow that concentration is larger.
3. pearl head nozzle electrospinning device according to claim 1, it is characterised in that：The pearl head (7) is a diameter of
To between 18mm, the overall dimensions of pearl head spinneret system adjust 0.35mm according to pearl head (7) size.
4. pearl head nozzle electrospinning device according to claim 3, it is characterised in that：The pearl head (7) is a diameter of
It can be used for closely spinning during 0.35-1.5mm；It can be used for far field spinning during pearl head (7) a diameter of 5-18mm and can be formed more
Individual taylor cone carries out spinning.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720861754.5U CN207002878U (en) | 2017-07-17 | 2017-07-17 | A kind of pearl head nozzle electrospinning device |
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| CN201720861754.5U CN207002878U (en) | 2017-07-17 | 2017-07-17 | A kind of pearl head nozzle electrospinning device |
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| CN207002878U true CN207002878U (en) | 2018-02-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699763A (en) * | 2019-10-23 | 2020-01-17 | 南通纺织丝绸产业技术研究院 | Electrostatic spinning method for improving uniformity of spinning solution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699763A (en) * | 2019-10-23 | 2020-01-17 | 南通纺织丝绸产业技术研究院 | Electrostatic spinning method for improving uniformity of spinning solution |
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