CN107130305B - Electrospinning device and its with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode - Google Patents
Electrospinning device and its with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode Download PDFInfo
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- CN107130305B CN107130305B CN201710400910.2A CN201710400910A CN107130305B CN 107130305 B CN107130305 B CN 107130305B CN 201710400910 A CN201710400910 A CN 201710400910A CN 107130305 B CN107130305 B CN 107130305B
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- nozzle
- pedestal
- spray head
- ontology
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a kind of spray head for electrospinning device, including ontology, ontology has the pedestal in positive quadrangular frustum pyramid shaped；Multiple pedestals are axially distributed, and the bottom surface of two pedestals of arbitrary neighborhood is bonded in the axial direction；The two sides of the bottom surface of two fittings are respectively equipped with connecting hole；Edge hole is equipped with positioned at the pedestal of ontology both sides of the edge, the apex angle of the both sides of the edge of bottom surface；Four sides of pedestal are respectively equipped with lateral orifices, and the height of whole lateral orifices is consistent；Pedestal top center is equipped with topped hole；Pedestal positioned at ontology both sides of the edge, edge hole, lateral orifices and topped hole are equipped with the identical auxiliary electrode of size；Connecting hole, the lateral orifices of remaining pedestal and topped hole are equipped with the identical nozzle of size.The invention also discloses a kind of electrospinning devices including above-mentioned spray head.Above-mentioned spray head, each nozzle electric field strength difference is smaller, and tip electric field is more uniform, and has outstanding advantage to be on unit area that syringe needle number is more.
Description
Technical field
The present invention relates to electrostatic spinning technique field, in particular to a kind of band auxiliary electrode for electrospinning device is just
The continuous spray head of nine nozzle of truncated rectangular pyramids.The invention further relates to one kind, and there is positive nine nozzle of truncated rectangular pyramids of the band auxiliary electrode continuously to spray
The electrospinning device of head.
Background technique
It is well known that electrostatic spinning is a kind of special fiber fabrication process, polymer solution or melt are in strong electrical field
Carry out jet spinning.Under electric field action, the drop at syringe needle can be become conical (i.e. " taylor cone ") from spherical shape, and from circular cone
Extend to obtain fiber filaments in tip.This mode can produce the polymer filaments of nanometer grade diameter.
In the prior art, for array multi-nozzle electrospinning device, rectangular array linear in the plane is utilized
Multiple spray heads of device carry out spinning, it can be achieved that electrospinning fibre membrane material mass production.However after prolonged use,
The electric field of the spray head being arranged in array in the plane, each spray head tip can be influenced each other, be interfered, so that electric field between different spray heads
Differing greatly causes spinning uneven.
Summary of the invention
The object of the present invention is to provide a kind of band positive nine nozzle of truncated rectangular pyramids of auxiliary electrode for electrospinning device is continuous
Spray head, the continuous spray head of positive nine nozzle of truncated rectangular pyramids of the band auxiliary electrode can solve electric field differ greatly and unit area on
The few problem of syringe needle number.It include that positive nine nozzle of truncated rectangular pyramids of above-mentioned band auxiliary electrode connects it is a further object of the present invention to provide one kind
The electrospinning device of continuous spray head.
To achieve the above object, the present invention provides a kind of positive spray of truncated rectangular pyramids nine of the band auxiliary electrode for electrospinning device
The continuous spray head of mouth, including ontology, the ontology have the pedestal in positive quadrangular frustum pyramid shaped；
Multiple pedestals are axially distributed, and the bottom surface of two pedestals of arbitrary neighborhood pastes in the axial direction
It closes；The two sides of the bottom surface of two fittings are respectively equipped with connecting hole；Positioned at the ontology both sides of the edge the pedestal, under
The apex angle of the both sides of the edge of bottom surface is equipped with edge hole；
Four sides of the pedestal are respectively equipped with lateral orifices, and all the height of the lateral orifices is consistent；The pedestal top
Portion center is equipped with topped hole；The vertical extended line of the lateral orifices be located at the connecting hole vertical extended line and the top
Among the vertical extended line of stomidium；
The pedestal positioned at the ontology both sides of the edge, the edge hole, the lateral orifices and the topped hole
It is equipped with the identical auxiliary electrode of size；The connecting hole, the lateral orifices of remaining pedestal and the topped hole are equal
Equipped with the identical nozzle of size.
Preferably, all the size of the pedestal is identical.
Preferably, the size of the auxiliary electrode is identical as the size of the nozzle.
Preferably, the distance between the upper bottom surface of the pedestal and bottom surface are 1mm~10mm, and the internal diameter of the nozzle is
0.5mm~2mm, the length of the nozzle are 10mm~40mm.
Preferably, the inside of the ontology has solution channel, and the surface of the ontology has to be connected with the solution channel
Logical inlet；The inside of the nozzle has what is be connected to the inlet to go out sap cavity.
The present invention also provides a kind of electrospinning devices, including the positive truncated rectangular pyramids of band auxiliary electrode as described in any one of the above embodiments
The continuous spray head of nine nozzles.
Preferably, the top of the nozzle has the receiving head to accommodate spinning solution；The top of the nozzle is equipped with energy
It is enough to generate induced magnetic field with the nozzle and collect the collection that the spinning solution jet stream under induced magnetic field effect is formed by fiber
Device.
Preferably, the spacing between the collection device and the pedestal bottom surface is 120mm~220mm.
Relative to above-mentioned background technique, provided by the present invention for the band positive truncated rectangular pyramids nine of auxiliary electrode of electrospinning device
The continuous spray head of nozzle, pedestal are in positive quadrangular frustum pyramid shaped, and multiple pedestals are axially distributed, and the bottom of two pedestals of arbitrary neighborhood
Face is bonded in the axial direction, and the two sides of the bottom surface of two fittings are respectively equipped with connecting hole；Base positioned at ontology both sides of the edge
The apex angle of the both sides of the edge of seat, bottom surface is equipped with edge hole；Four sides of pedestal are respectively equipped with lateral orifices, whole lateral orifices
Height is consistent；Pedestal top center is equipped with topped hole；The vertical extended line of lateral orifices is located at the vertical extended line of connecting hole
Among the vertical extended line of topped hole；Pedestal positioned at ontology both sides of the edge, edge hole, lateral orifices and topped hole are all provided with
There is the identical auxiliary electrode of size；Connecting hole, the lateral orifices of remaining pedestal and topped hole are equipped with the identical spray of size
Mouth.
That is, being directed to the non-pedestal positioned at ontology both sides of the edge, upper bottom surface, side and bottom surface are equipped with nozzle；Needle
To the pedestal for being located at ontology both sides of the edge, other than the connecting hole for the bottom surface that pedestal adjacent thereto shares, edge hole,
Lateral orifices and upper bottom surface are equipped with the identical auxiliary electrode of size；For same pedestal, be located at upper bottom surface, side and under
The auxiliary electrode of bottom surface or the height of nozzle are different, and there are three height altogether, and the size of whole auxiliary electrodes is identical, all sprays
The size of mouth is identical；The band continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode of such setting, each nozzle electric field strength are poor
Different smaller, tip electric field is more uniform, and has outstanding advantage to be on unit area that syringe needle number is more.
Electrospinning device provided by the present invention has above-mentioned beneficial effect, and details are not described herein again.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is continuous in three row's arranged in linear arrays band positive nine nozzles of truncated rectangular pyramids of auxiliary electrode in plane in the prior art
The schematic diagram of spray head；
Fig. 2 is the projection interval array arrangement band positive truncated rectangular pyramids nine of auxiliary electrode in plane in the prior art in rectangle endpoint
The schematic diagram of the continuous spray head of nozzle；
Fig. 3 is electrostatic spinning provided by the embodiment of the present invention with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode
Main view；
Fig. 4 is side view of the electrostatic spinning with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode in Fig. 3；
Fig. 5 is top view of the electrostatic spinning with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode in Fig. 3；
Fig. 6 be the embodiment of the present invention provided by electrostatic spinning band the auxiliary electrode continuous spray head of positive nine nozzle of truncated rectangular pyramids with
The side view of collection device；
Fig. 7 is the Electric Field Simulation result schematic diagram in Fig. 1；
Fig. 8 is the Electric Field Simulation result schematic diagram in Fig. 2；
Fig. 9 is the Electric Field Simulation result schematic diagram in Fig. 3.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Please refer to Fig. 1 to Fig. 9, Fig. 1 is in the prior art in plane in three row's arranged in linear arrays band auxiliary electrodes positive four
The schematic diagram of the continuous spray head of nine nozzle of terrace with edge；Fig. 2 is the projection interval array cloth in plane in the prior art in rectangle endpoint
Set the schematic diagram with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode；Fig. 3 is Static Spinning provided by the embodiment of the present invention
The main view of the continuous spray head of positive nine nozzle of truncated rectangular pyramids of silk ribbon auxiliary electrode；Fig. 4 is electrostatic spinning band auxiliary electrode positive four in Fig. 3
The side view of the continuous spray head of nine nozzle of terrace with edge；Fig. 5 is that electrostatic spinning band positive nine nozzle of truncated rectangular pyramids of auxiliary electrode is continuous in Fig. 3
The top view of spray head；Fig. 6 is that band positive nine nozzle of truncated rectangular pyramids of auxiliary electrode of electrostatic spinning provided by the embodiment of the present invention is continuous
The side view of spray head and collection device；Fig. 7 is the Electric Field Simulation result schematic diagram in Fig. 1；Fig. 8 is the Electric Field Simulation knot in Fig. 2
Fruit schematic diagram；Fig. 9 is the Electric Field Simulation result schematic diagram in Fig. 3.
A kind of band continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode for electrospinning device provided by the invention,
Including ontology, ontology can be regarded as the benchmark with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode；Ontology can be in block
Shape, strip or other shapes.
Ontology has pedestal 1, and pedestal 1 is in positive quadrangular frustum pyramid shaped, should have upper bottom surface and bottom in the pedestal 1 of positive quadrangular frustum pyramid shaped
Face, and have certain difference in height between upper bottom surface and bottom surface.
Multiple pedestals 1 are axially distributed, and the bottom surface of two pedestals 1 of arbitrary neighborhood is bonded in the axial direction；
That is, multiple pedestals 1 are disposed proximate to along axial direction, as shown in Figure of description 3 and attached drawing 5.
The two sides of two adjacent pedestals 1, the bottom surface of two fittings are respectively equipped with connecting hole, and each connecting hole is equipped with
Nozzle 2；That is, two adjacent pedestals 1 share the seamed edge of a bottom surface, and the two sides of shared seamed edge are respectively equipped with connection
Hole；There are two connecting holes for every shared seamed edge tool.
Pedestal positioned at ontology both sides of the edge, due to pedestal not adjacent thereto on the outside of its bottom surface, bottom surface
Outside will not generate shared seamed edge；Apex angle in the both sides of the edge of bottom surface is equipped with edge hole, and edge hole is equipped with auxiliary electrode
7。
Four sides of each pedestal 1 are respectively equipped with lateral orifices, and the height of whole lateral orifices is consistent；In 1 top of pedestal
Heart position is equipped with topped hole, and the vertical extended line of lateral orifices is located at the vertical extended line of connecting hole and the vertical extended line of topped hole
It is intermediate.
In the present invention, positive truncated rectangular pyramids upper bottom surface is the square of side length 4.63mm, and positive truncated rectangular pyramids bottom surface is side length 15mm
Square, positive truncated rectangular pyramids height is 3.25mm；Four lateral orifices positioned at middle layer are away from truncated rectangular pyramids bottom surface 2.35mm institute
In the point of intersection of plane and four sides of truncated rectangular pyramids, with ensure lateral opening vertical extended line be located at the vertical extended line of connecting hole with
Among the vertical extended line of topped hole.
For the pedestal 1 for being located at ontology both sides of the edge, in nine holes of the pedestal 1, (with phase other than two connecting holes
The shared connecting hole of the bottom surface of adjacent pedestal 1), remaining seven hole (including two edge holes, four lateral orifices and a top
Hole) it is equipped with the identical auxiliary electrode 7 of size；And it is directed to remaining pedestal 1, it is identical that nine holes of remaining pedestal 1 are equipped with size
Nozzle 2.
For whole pedestals 1 of ontology, the geomery of whole pedestals 1 is identical；That is, the size of positive truncated rectangular pyramids is identical；Entirely
The auxiliary electrode 7 of 1 upper bottom surface of portion's pedestal is identical as the height of nozzle 2, and the auxiliary electrode 7 and nozzle 2 of 1 bottom surface of whole pedestals
Height it is identical, the auxiliary electrode 7 of whole 1 sides of pedestal is identical as the height of nozzle 2；That is, the whole pedestals 1 for being located at ontology are total
There are three types of different heights, and three kinds of height are located at 1 upper bottom surface of pedestal, side and bottom surface, such as Figure of description 3 and attached drawing
Shown in 5.
Pedestal 1 with nozzle 2 can be regarded as export structure, and the pedestal 1 with auxiliary electrode 7 can be regarded as electrode
Structure；For export structure, nine connecting holes of pedestal 1 are separately connected nozzle 2, the connecting hole in Figure of description 3 and attached drawing 4
It is overlapped with the position of nozzle 2, does not show connecting hole.
In Figure of description 5, all export structures in the horizontal plane projection i.e. constitute multiple intervals two with one heart just
Rectangular linear array figure；Wherein, the projection of the connecting hole opposite with vertex 37 i.e. respectively two groups of export structures of vertex 32
Point, vertex 32 are the width of export structure at a distance from vertex 37.
Above, nozzle 2 can be needle nozzle, and end of the needle nozzle 2 far from connecting hole is needle point structure, this kind of needle
Formula nozzle 2 is the band continuous nozzle structure of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode commonly used in the art, does not make detailed retouch herein
It states.The needle nozzle 2 of every group of export structure is all contour, and each needle nozzle 2 of different group export structures is also contour
's.
In the present invention, the spacing between two pedestals 1 of arbitrary neighborhood is identical, and multiple pedestals 1 are uniformly distributed in ontology, into
One step guarantees the uniform of tip electric field, is conducive to the quantity for improving unit area top nozzle 2.
The distance between upper bottom surface and bottom surface of pedestal 1 are 1mm~10mm, and the internal diameter of nozzle 2 is 0.5mm~2mm, spray
The length of mouth 2 is 10mm~40mm.The inside of ontology has a solution channel, the surface of ontology have be connected to solution channel into
Liquid mouth；The inside of nozzle 2 has what is be connected to inlet to go out sap cavity.
As shown in Figure of description 5, the projection of each connecting hole of same group of export structure or electrode structure in the horizontal plane
The track of on the endpoint of two concentric squares namely nine holes on the projection surface is respectively at into two concentric squares.
This arragement construction, which is more advantageous to, guarantees the uniform of tip electric field, while being conducive to improve syringe needle number on unit area.
More preferably, the perspective geometry of each group export structure and electrode structure is concentrically located on same straight line.Such as explanation
Shown in book attached drawing 5, every group of export structure and electrode structure are about 31 central symmetry of central point from microcosmic.Macroscopically see every group
Export structure and electrode structure are symmetrical about line segment 36.Vertex 32 and subpoint 33 are located at the two sides of line segment 36 and with line segments
36 be symmetry axis.Likewise, subpoint 34 and subpoint 35 are located at the two sides of line segment 36 and with line segment 36 for symmetry axis.This
Kind arragement construction is more advantageous to the increase of syringe needle number on the uniform unit area for guaranteeing tip electric field.
It is provided by the present invention a kind of to be set with the electrostatic spinning with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode
It is standby, including the band continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode described in above-mentioned specific embodiment；Electrospinning device
Other parts be referred to the prior art, it is not reinflated herein.
In the present invention, the top of nozzle 2 has the receiving head to accommodate spinning solution；The top of nozzle 2 is equipped with can be with
Nozzle 2 generates induced magnetic field and collects the collection device 4 that the spinning solution jet stream under induced magnetic field effect is formed by fiber.
Spacing between collection device 4 and the bottom surface of pedestal 1 is 120mm~220mm.
Spinning solution is evenly applied to respectively by above-mentioned electrospinning device by external coating unit during the work time
On a needle nozzle 2, ontology is fixed relative to collection device 4, and the top of needle nozzle 2 is collection device 4,
Spinning solution generates induced jet under the induction electric field that needle nozzle 2 and collection device 4 are formed, and induced jet is induced to collection
Device 4, to form fiber.
In other implementations of electrostatic spinning with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode, nozzle 2 can have
There is hollow sap cavity out, 2 front and back of sap cavity perforation needle nozzle should be gone out, body surface has molten with inlet opening, the inside of ontology
Liquid channel, sap cavity is connected to inlet by corresponding connecting hole, solution channel out.At this point, connecting hole may be considered a spray
Hole.
It is as follows using the electrospinning process of the preferred embodiment:
Ontology relative to collection device 4 be it is fixed, the top of nozzle 2 is equipped with collection device 4, and spinning solution is in pin type
Nozzle 2 and collection device 4, which are formed by under induction electric field, generates induced jet, and induced jet is induced to the formation of collection device 4
Fiber, this spinning process and spun structure continuously and uninterruptedly can in high volume carry out spinning.
Electrostatic spinning band positive nine nozzle of truncated rectangular pyramids of auxiliary electrode in example is continuously sprayed below by way of Electric Field Simulation
Head in the arrangement of linear array in the plane and plane in positive truncated rectangular pyramids endpoint projected array arrangement with auxiliary electrode just
The continuous spray head of nine nozzle of truncated rectangular pyramids compares.
Simulation parameter is as follows: 2 diameter 1mm of needle nozzle, length 20mm, nozzle material is copper.Vertical view as shown in Fig. 5
Scheme in (floor projection), the spacing of adjacent positive truncated rectangular pyramids is 15mm, and positive truncated rectangular pyramids upper bottom surface is the square of side length 4.63mm, just
Truncated rectangular pyramids bottom surface is the square of side length 15mm, and positive truncated rectangular pyramids height is 3.25mm, and positive truncated rectangular pyramids material is insulator.Positive four
Terrace with edge bottom surface is 170mm at a distance from collection device, and collection device width is 60mm, a length of 160mm, thickness 2mm, and material is
Copper.Simulation software is comsol, and emulation voltage is 30kv.Taken electric field is nozzle tip 0.5mm electric field.
The arrangement such as attached drawing 1 and attached drawing 2 to compare with the present invention；Attached drawing 1 is in plane in three row's linear array cloth
Set the schematic diagram with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode；Fig. 2 be in the prior art be in rectangle endpoint in plane
Projection interval array arrange the schematic diagram with the continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode.
In attached drawing 1, the first jet 51 of contrast simulation is in plane 5 at three row's arranged in linear arrays；First jet 51
Diameter is 1mm, and the height of 51 end of first jet to plane 5 is 20mm, and adjacent nozzle spacing is 15mm, and material is copper.First
The top of nozzle 51 from and collection device (not shown) with a distance from be 150mm, collection device width is 60mm, a length of 160mm, and thickness is
2mm, material are copper.Simulation software is comsol, and emulation voltage is 30kv.Taken electric field is nozzle tip 0.5mm electric field.
In attached drawing 2, the second nozzle 61 of contrast simulation is in plane 6 at two concentric squares and concentric lattice array cloth
It sets, the track which forms is with this electrostatic spinning band each connecting hole of the auxiliary electrode continuous spray head of positive nine nozzle of truncated rectangular pyramids in water
It is consistent that figure is formed by flat perspective plane.The diameter of second nozzle 61 is 1mm, nozzle length 20mm, in concentric squares
Big square side length is 15mm, and small square side length is 7.5mm, and neighboring concentric square spacing is 15mm, and material is copper.Second
61 top of nozzle with and collection device (not shown) distance be 150mm, collection device a length of 160mm, width 60mm, with a thickness of
2mm, material are copper.Simulation software is comsol, and emulation voltage is 30kv.Taken electric field is nozzle tip 0.5mm electric field.
Fig. 7 is the Electric Field Simulation result schematic diagram in Fig. 1, and Fig. 8 is the Electric Field Simulation result schematic diagram in Fig. 2, and Fig. 9 is this
The Electric Field Simulation result schematic diagram of invention.
As can be seen that the electric field strength difference of adjacent needle nozzle is smaller in Fig. 9, and (every two or four, each region
Wave crest be one group be formed by curve) electric field strength difference it is smaller；And in Fig. 7 and Fig. 8, the electric field strength gap of adjacent nozzle
Obviously than big in Fig. 9.Therefore obtained using this electrostatic spinning band continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode
More evenly, and the syringe needle number on unit area doubles electric field.
It is continuously sprayed to electrospinning device provided by the present invention and its with positive nine nozzle of truncated rectangular pyramids of auxiliary electrode above
Head is described in detail.Used herein a specific example illustrates the principle and implementation of the invention, above
The explanation of embodiment is merely used to help understand method and its core concept of the invention.It should be pointed out that for the art
Those of ordinary skill for, without departing from the principle of the present invention, can also to the present invention carry out it is several improvement and repair
Decorations, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (7)
1. a kind of band continuous spray head of positive nine nozzle of truncated rectangular pyramids of auxiliary electrode for electrospinning device, including ontology, special
Sign is that the ontology has the pedestal (1) in positive quadrangular frustum pyramid shaped；
Multiple pedestals (1) are axially distributed, and the bottom surface of two pedestals (1) of arbitrary neighborhood is in the axial direction
Fitting；The two sides of the bottom surface of two fittings are respectively equipped with connecting hole；The pedestal positioned at the ontology both sides of the edge
(1), the apex angle of the both sides of the edge of bottom surface is equipped with edge hole；
Four sides of the pedestal (1) are respectively equipped with lateral orifices, and all the height of the lateral orifices is consistent；The pedestal (1)
Top center is equipped with topped hole；The vertical extended line of the lateral orifices be located at the vertical extended line of the connecting hole with it is described
Among the vertical extended line of topped hole；
The pedestal (1) positioned at the ontology both sides of the edge, the edge hole, the lateral orifices and the topped hole are equal
Equipped with the identical auxiliary electrode of size；The connecting hole, the lateral orifices of remaining pedestal (1) and the topped hole are equal
Equipped with the identical nozzle of size (2)；
The distance between upper bottom surface and bottom surface of the pedestal (1) are 1mm~10mm, and the internal diameter of the nozzle (2) is 0.5mm
~2mm, the length of the nozzle (2) are 10mm~40mm.
2. the continuous spray head of positive nine nozzle of truncated rectangular pyramids of band auxiliary electrode according to claim 1, which is characterized in that whole institutes
The size for stating pedestal (1) is identical.
3. the continuous spray head of positive nine nozzle of truncated rectangular pyramids of band auxiliary electrode according to claim 2, which is characterized in that described auxiliary
Help the height of electrode identical as the height of the nozzle (2).
4. the continuous spray head of positive nine nozzle of truncated rectangular pyramids of band auxiliary electrode according to any one of claims 1 to 3, feature
It is, the inside of the ontology has solution channel, and the surface of the ontology has the inlet being connected to the solution channel；
The inside of the nozzle (2) has what is be connected to the inlet to go out sap cavity.
5. a kind of electrospinning device, which is characterized in that just including the described in any item band auxiliary electrodes of such as Claims 1-4
The continuous spray head of nine nozzle of truncated rectangular pyramids.
6. electrospinning device according to claim 5, which is characterized in that the top of the nozzle (2) has to hold
Receive the receiving head of spinning solution；The top of the nozzle (2), which is equipped with, can generate induced magnetic field and be collected with the nozzle (2)
Spinning solution jet stream is formed by the collection device (4) of fiber under induced magnetic field effect.
7. electrospinning device according to claim 6, which is characterized in that the collection device (4) and the pedestal (1)
Spacing between bottom surface is 120mm~220mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2017202886389 | 2017-03-21 | ||
| CN201720288638 | 2017-03-21 |
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| CN109097843B (en) * | 2018-09-25 | 2023-04-04 | 东莞市倍益清环保科技有限公司 | Multi-needle electrostatic spinning equipment with uniform electric field distribution |
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| CN102965743A (en) * | 2012-12-17 | 2013-03-13 | 厦门大学 | Nanofiber low-voltage electro-spinning device with auxiliary electrodes |
| CN103993376A (en) * | 2014-04-30 | 2014-08-20 | 苏州大学 | Electrostatic spinning device for manufacturing nanometer fiber bundles |
| CN106119988A (en) * | 2016-08-11 | 2016-11-16 | 广东工业大学 | The electrostatic spinning nozzle of face of cylinder rectangle five nozzle array and electrospinning process |
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