CN203451652U - Three-dimensional type multi-spinning-nozzle spinneret plate for electrostatic spinning - Google Patents
Three-dimensional type multi-spinning-nozzle spinneret plate for electrostatic spinning Download PDFInfo
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- CN203451652U CN203451652U CN201320423672.4U CN201320423672U CN203451652U CN 203451652 U CN203451652 U CN 203451652U CN 201320423672 U CN201320423672 U CN 201320423672U CN 203451652 U CN203451652 U CN 203451652U
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Abstract
The utility model relates to a three-dimensional type multi-spinning-nozzle spinneret plate for electrostatic spinning. The three-dimensional type multi-spinning-nozzle spinneret plate comprises a feeding port, an upper cover plate, a lower cover plate, a supporting frame and a multi-hole distribution board. The feeding port is formed in the top end of the upper cover plate, and the upper cover plate is connected with the lower cover plate through a screw fastener. The interior of the upper cover plate and the interior of the lower cover plate are connected with the multi-hole distribution board through a sealing ring, the part between the upper side of the multi-hole distribution board and the upper cover plate is a spinning solution cavity, the part between the lower side of the multi-hole distribution board and the lower cover plate is a spinning solution cavity, the bottom end of the lower cover plate is connected with the supporting frame through an insulated panel, the insulated panel inside the supporting frame is provided with a plurality of spinning nozzles, and the supporting frame is provided with a metal coil surrounding the spinning nozzles. The three-dimensional space distribution structure of the spinning nozzles on the spinneret plate is adjusted, the electric field intensity at the spinning nozzles is improved, and therefore the spinning solution in each spinning nozzle can form spinning jet flow under the action of the high voltage electric field force, and a plurality of nanometer/micrometer fibers are accumulated on a receiving plane at the same time through the high-speed stretching, whipping and solidifying.
Description
Technical field
The utility model relates to electrostatic spinning apparatus and commercial Application thereof, specifically a kind of by regulating each spinning head distributing position in stereoeffect on spinnerets to improve multi-nozzle electrospinning technique, and is applied to the device of batch production.
Background technology
Electrostatic spinning is a kind of very effective method of preparing superfine fibre, and its principle is that non-newtonian fluid forms taylor cone structure and further produces jet under high voltage electrostatic field, forms diameter at micron order and even nano level fiber.Electrospinning device in existing laboratory is used single spinning head mostly, ejection efficiency is 0.1～1.0g/h, and adopt gained superfine fibre prepared by traditional method of electrostatic spinning with random being deposited on receiving plane of mode of similar nonwoven fabric, the fibrofelt obtaining, because area is little, thin thickness, has limited the process of its industrial applications.
Adopt the device for spinning of many shower nozzles to carry out the existing report of spinning, spinning head axially parallel arrangement (CN200720103321.X) or spinning nozzle are all on a horizontal plane (CN100455705C), but because the electrostatic field between adjacent spinning head disturbs, the quantity and spacing of spinning head is restricted, has also limited method of electrostatic spinning is applied to industrial production prepares large-area nano fibrous membrane.
Summary of the invention
Technical problem to be solved in the utility model is to provide many shower nozzles of solid type spinnerets for a kind of electrostatic spinning, to solve the problems such as electrostatic field interference between adjacent spinning head, can installing/dismounting spinning head, regulate spinning head quantity, improve electrostatic field and distribute and regulate spinning nozzle three-dimensional space to distribute.
The utility model solves the technical scheme that its technical problem adopts: many shower nozzles of solid type spinnerets for a kind of electrostatic spinning is provided, comprise charging aperture, upper cover plate, lower cover, adjustable support frame and spinning solution perforated distributor, described charging aperture is positioned at the top of upper cover plate, described upper cover plate is connected by screw fastener with lower cover, on described, lower cover is inner to be connected by sealing ring with spinning solution perforated distributor, the upper and lower both sides of described spinning solution perforated distributor are supreme, it between lower cover, is spinning sap cavity, described lower cover bottom surface covers insulating panel, and fix and be communicated with spinning sap cavity by some spinning heads or insulation plug, described insulating panel is connected with adjustable support frame, described adjustable support frame is provided with the wire coil that surrounds some spinning heads.
Described charging aperture is connected with spinning solution barrel by conduit.
Described lower cover is directly connected with the high-voltage output end of electrostatic generator with wire coil.
Described upper cover plate is roughly the U-shaped and mutual corresponding formation internal cavities of open end with the cross section of lower cover.
Described upper cover plate, insulating panel, sealing ring and insulation plug adopt polytetrafluoroethylene (PTFE) material, and described lower cover, screw fastener, spinning solution perforated distributor and spinning head are metal material.
Described some spinning heads and insulation plug are arranged on insulating panel, the horizontal distribution density of capable of regulating spinning head.
Described spinning head is comprised of fixed pedestal and metal jet pipe, described metal jet pipe is vertically anchored on the bottom of fixed pedestal, the nozzle of described metal jet pipe is that cone and cone angle are 30～180 degree, described metal jet pipe inside is provided with capillary, and the spinning nozzle position of described some spinning heads is sphere, curved surface or plane distribution according to three dimensions lattice structure.
Described wire coil and adjustable support frame coaxial line are installed, and in the setting height(from bottom) of described wire coil and some spinning heads, the spinning nozzle place of the longest metal jet pipe is contour or lower slightly.
beneficial effect
The utlity model has following advantage and good effect:
Electrostatic spinning can change by installing/dismounting spinning head and insulation plug the horizontal distribution density of each spinning head on spinnerets with many shower nozzles of solid type spinnerets, the metal jet pipe that can change in spinning head changes the distributing position of spinning nozzle in three dimensions stereochemical structure simultaneously, improve multi-nozzle electrospinning technique, and use spacing electric field to improve the draw direction of spinning jet, can be applied to the device of producing in batches.
Accompanying drawing explanation
Fig. 1 is the structural representation of many shower nozzles of solid type spinnerets;
Fig. 2 is the structural representation of spinning head fixed pedestal and metal jet pipe;
Fig. 3 is the structural representation of insulation plug.
In figure: charging aperture 1, upper cover plate 2, lower cover 3, screw fastener 4, insulating panel 5, adjustable support frame 6, spinning sap cavity 7, spinning solution perforated distributor 8, sealing ring 9, spinning head 10, insulation plug 11, wire coil 61, fixed pedestal 101, metal jet pipe 102.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figure 1-2, many shower nozzles of solid type spinnerets for a kind of electrostatic spinning, comprise charging aperture 1, upper cover plate 2, lower cover 3, adjustable support frame 6 and spinning solution perforated distributor 8, described charging aperture 1 is positioned at the top of upper cover plate 2, described upper cover plate 2 is connected by screw fastener 4 with lower cover 3, on described, lower cover 2, 3 inside are connected by sealing ring 9 with spinning solution perforated distributor 8, described spinning solution perforated distributor Shang Xia 8 both sides supreme, lower cover 2, it between 3, is spinning sap cavity 7, described lower cover 3 bottom surfaces cover insulating panel (5), and fix and connection spinning sap cavity 7 by some spinning heads (10) or insulation plug (11), described insulating panel 5 is connected with adjustable support frame 6, described adjustable support frame 6 is provided with the wire coil 61 that surrounds some spinning heads 10.
Described charging aperture 1 is connected with spinning solution barrel by conduit.
Described lower cover 3 is directly connected with the high-voltage output end of electrostatic generator with wire coil 61.
Described upper cover plate 2 is roughly the U-shaped and mutual corresponding formation internal cavities of open end with the cross section of lower cover 3.
Described upper cover plate 2, insulating panel 5 and sealing ring 9 adopt polytetrafluoroethylene (PTFE) material, and described lower cover 3, screw fastener 4, spinning solution perforated distributor 8 and spinning head 10 are metal material.
Described some spinning heads 10 and insulation plug 11 are arranged on insulating panel, adjust the horizontal distribution density of spinning head.
Described spinning head 10 is comprised of fixed pedestal 101 and metal jet pipe 102, described metal jet pipe 102 is vertically anchored on the bottom of fixed pedestal 101, the nozzle of described metal jet pipe 102 is that cone and cone angle are 30～180 degree, described metal jet pipe 102 inside are provided with capillary, and described some spinning heads 10 are sphere, curved surface or plane distribution according to three-D space structure.
Described wire coil 61 is installed with adjustable support frame 6 coaxial lines, and in the setting height(from bottom) of described wire coil 61 and some spinning heads 10, the spinning nozzle place of the longest metal jet pipe 102 is contour or lower slightly.
Embodiment 1
It is worth mentioning that, the utility model carries out the electrostatic spinning of aqueous polymerization thing solution, and its spinning condition is: spinning environment temperature is 25 ℃; Spinning ambient humidity is 45%RH; Spinning solution fltting speed is 16.0 μ L/min; Spinning head quantity is 50, and the aperture of spinneret capillary is 0.2mm, and the height of metal jet pipe is 5～15mm, and spinning head spacing is 1cm, is five files and distributes, vertical with receiving plane; The electrostatic potential applying is 45～75kV; Spinnerets is 150mm with the spacing of accepting face; Receiving plane is aluminium foil.
Spinning process is: the polyoxyethylene that is 10wt% by weight concentration (PEO) aqueous solution enters many shower nozzles of solid type spinnerets through conduit pushing, and the fltting speed of setting spinning solution is 16.0 μ L/min; The environment temperature of spinning manifold inside and humidity are adjusted into respectively 25 ℃ and 45%RH by constant temperature and humidity system; Accepting on face, to cover aluminium foil, regulating the distance between spinnerets and receiving plane is 150mm, spinnerets is connected with electrostatic generator with wire coil, opening electrostatic generator regulation voltage is 45～75kV, makes, under the effect in static of the spinning solution that flows out in spinneret capillary, to form taylor cone, stretched solution thread, controlled after stretched vertically certain distance by electric field force deflection, then it is moving that whip occurs, and finally collects on the face of acceptance.
Spinning result is as follows: the PEO nano fibrous membrane that acquisition width is 120mm, the average diameter of fiber is 130nm.
It is worth mentioning that: the utility model carries out the electrostatic spinning of organic phase polymer solution, its spinning condition is: spinning environment temperature is 45 ℃; Spinning ambient humidity is 50%RH; Spinning solution fltting speed is 16.0 μ L/min; Spinning head quantity is 50, and the aperture of spinneret capillary is 0.2mm, and the height of metal jet pipe is 5～25mm, and spinning head spacing is 1cm, be 5 files and distribute, and distance 2cm between each row, and vertical with reception crawler belt moving direction; The electrostatic potential applying is 55～85kV; Spinnerets is 200mm with the spacing of accepting face; Receiving plane is aluminium foil.
Spinning process is: DMF (DMF) the solution pushing of the polyacrylonitrile that is 10% by weight concentration (PAN) enters many shower nozzles of solid type spinnerets, and the fltting speed of setting spinning solution is 20.0 μ L/min; The environment temperature of spinning manifold inside and humidity are adjusted into respectively 45 ℃ and 50%RH by constant temperature and humidity system; Accepting on face, to cover aluminium foil, regulating the distance between spinnerets and receiving plane is 200mm, spinnerets is connected with electrostatic generator with wire coil, opening electrostatic generator regulation voltage is 55～85kV, makes, under the effect in static of the spinning solution that flows out in spinneret capillary, to form taylor cone, stretched solution thread, controlled after stretched vertically certain distance by electric field force deflection, then it is moving that whip occurs, and finally collects on the face of acceptance.
Spinning result is as follows: the PAN nano fibrous membrane that acquisition width is 300mm, the average diameter of fiber is 300nm.
Claims (8)
1. many shower nozzles of solid type spinnerets for electrostatic spinning, comprise charging aperture (1), upper cover plate (2), lower cover (3), adjustable support frame (6) and spinning solution perforated distributor (8), it is characterized in that: described charging aperture (1) is positioned at the top of upper cover plate (2), described upper cover plate (2) is connected by screw fastener (4) with lower cover (3), on described, lower cover (2, 3) inside is connected by sealing ring (9) with spinning solution perforated distributor (8), the upper and lower both sides of described spinning solution perforated distributor (8) are supreme, lower cover (2, 3) between, be spinning sap cavity (7), described lower cover (3) bottom surface covers insulating panel (5), and fix and connection spinning sap cavity (7) by some spinning heads (10) or insulation plug (11), described insulating panel (5) is connected with adjustable support frame (6), described adjustable support frame (6) is provided with the wire coil (61) that surrounds some spinning heads (10) or plug (11).
2. many shower nozzles of solid type spinnerets for a kind of electrostatic spinning according to claim 1, is characterized in that: described charging aperture (1) is connected with spinning solution barrel by conduit.
3. many shower nozzles of solid type spinnerets for a kind of electrostatic spinning according to claim 1, is characterized in that: described lower cover (3) is directly connected with the high-voltage output end of electrostatic generator with wire coil (61).
4. many shower nozzles of solid type spinnerets for a kind of electrostatic spinning according to claim 1, is characterized in that: described upper cover plate (2) is roughly the U-shaped and mutual corresponding formation internal cavities of open end with the cross section of lower cover (3).
5. many shower nozzles of solid type spinnerets for a kind of electrostatic spinning according to claim 1, it is characterized in that: described upper cover plate (2), insulating panel (5), sealing ring (9) and insulation plug (11) adopt polytetrafluoroethylene (PTFE) material, and described lower cover (3), screw fastener (4), spinning solution perforated distributor (8) and spinning head (10) are metal material.
6. many shower nozzles of solid type spinnerets for a kind of electrostatic spinning according to claim 1, is characterized in that: described some spinning heads (10) and insulation plug (11) are arranged on insulating panel, to adjust the horizontal distribution density of spinning head.
7. many shower nozzles of solid type spinnerets for a kind of electrostatic spinning according to claim 1, it is characterized in that: described spinning head (10) is comprised of fixed pedestal (101) and metal jet pipe (102), described metal jet pipe (102) is vertically anchored on the bottom of fixed pedestal (101), the nozzle of described metal jet pipe (102) is that cone and cone angle are 30～180 degree, described metal jet pipe (102) inside is provided with capillary, and the spinning nozzle position of described some spinning heads (10) is sphere, curved surface or plane distribution according to three dimensions lattice structure.
8. many shower nozzles of solid type spinnerets for a kind of electrostatic spinning according to claim 7, it is characterized in that: described wire coil (61) is installed with adjustable support frame (6) coaxial line, and in the setting height(from bottom) of described wire coil (61) and some spinning heads (10), the spinning nozzle place of the longest metal jet pipe (102) is contour or lower slightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320423672.4U CN203451652U (en) | 2013-07-16 | 2013-07-16 | Three-dimensional type multi-spinning-nozzle spinneret plate for electrostatic spinning |
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| CN201320423672.4U CN203451652U (en) | 2013-07-16 | 2013-07-16 | Three-dimensional type multi-spinning-nozzle spinneret plate for electrostatic spinning |
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| CN203451652U true CN203451652U (en) | 2014-02-26 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993376A (en) * | 2014-04-30 | 2014-08-20 | 苏州大学 | Electrostatic spinning device for manufacturing nanometer fiber bundles |
| CN104264239A (en) * | 2014-09-25 | 2015-01-07 | 天津市职业大学 | Novel electrostatic spinning machine injection system |
| CN105200539A (en) * | 2015-09-29 | 2015-12-30 | 东华大学 | Electrostatic spinning method and nanometer fiber/anti-sticking non-woven fabric composite filter material prepared through electrostatic spinning method |
| CN106119995A (en) * | 2016-09-02 | 2016-11-16 | 天津工业大学 | A kind of solid syringe needle electrostatic spinning apparatus |
| CN106283218A (en) * | 2016-10-21 | 2017-01-04 | 上海工程技术大学 | For the spiral form receptor of electrostatic spinning and the method for preparing nanofiber |
| CN108950697A (en) * | 2018-08-21 | 2018-12-07 | 苏州多瑈新材料科技有限公司 | A kind of spinneret |
| CN110592689A (en) * | 2019-09-18 | 2019-12-20 | 江苏亿茂滤材有限公司 | Equipment for preparing composite material by centrifugal spinning and electrostatic spinning |
| CN115110160A (en) * | 2022-08-30 | 2022-09-27 | 江苏新视界先进功能纤维创新中心有限公司 | Electrostatic spinning device and preparation method of nano-fibers |
-
2013
- 2013-07-16 CN CN201320423672.4U patent/CN203451652U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993376A (en) * | 2014-04-30 | 2014-08-20 | 苏州大学 | Electrostatic spinning device for manufacturing nanometer fiber bundles |
| CN103993376B (en) * | 2014-04-30 | 2017-06-06 | 苏州大学 | A kind of electrostatic spinning apparatus for preparing bundles of nanofibers |
| CN104264239B (en) * | 2014-09-25 | 2016-08-24 | 天津市职业大学 | A kind of novel electrostatic spinning-drawing machine spraying system |
| CN104264239A (en) * | 2014-09-25 | 2015-01-07 | 天津市职业大学 | Novel electrostatic spinning machine injection system |
| CN105200539A (en) * | 2015-09-29 | 2015-12-30 | 东华大学 | Electrostatic spinning method and nanometer fiber/anti-sticking non-woven fabric composite filter material prepared through electrostatic spinning method |
| CN105200539B (en) * | 2015-09-29 | 2017-08-04 | 东华大学 | A kind of nanofiber/spun-bonded non-woven fabrics composite filter material preparation method and the composite filter material prepared using this method |
| CN106119995A (en) * | 2016-09-02 | 2016-11-16 | 天津工业大学 | A kind of solid syringe needle electrostatic spinning apparatus |
| CN106119995B (en) * | 2016-09-02 | 2018-04-13 | 天津工业大学 | A kind of solid syringe needle electrostatic spinning apparatus |
| CN106283218A (en) * | 2016-10-21 | 2017-01-04 | 上海工程技术大学 | For the spiral form receptor of electrostatic spinning and the method for preparing nanofiber |
| CN106283218B (en) * | 2016-10-21 | 2018-05-15 | 上海工程技术大学 | Spiral form receiver and the method for preparing nanofiber for electrostatic spinning |
| CN108950697A (en) * | 2018-08-21 | 2018-12-07 | 苏州多瑈新材料科技有限公司 | A kind of spinneret |
| CN110592689A (en) * | 2019-09-18 | 2019-12-20 | 江苏亿茂滤材有限公司 | Equipment for preparing composite material by centrifugal spinning and electrostatic spinning |
| CN110592689B (en) * | 2019-09-18 | 2021-05-14 | 亿茂环境科技股份有限公司 | Equipment for preparing composite material by centrifugal spinning and electrostatic spinning |
| CN115110160A (en) * | 2022-08-30 | 2022-09-27 | 江苏新视界先进功能纤维创新中心有限公司 | Electrostatic spinning device and preparation method of nano-fibers |
| CN115110160B (en) * | 2022-08-30 | 2022-12-06 | 江苏新视界先进功能纤维创新中心有限公司 | Electrostatic spinning device and preparation method of nano-fibers |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20190716 |