CN103603065A - Needle-free type electrostatic spinning device - Google Patents
Needle-free type electrostatic spinning device Download PDFInfo
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- CN103603065A CN103603065A CN201310646807.8A CN201310646807A CN103603065A CN 103603065 A CN103603065 A CN 103603065A CN 201310646807 A CN201310646807 A CN 201310646807A CN 103603065 A CN103603065 A CN 103603065A
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- liquid feeding
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Abstract
The invention provides a needle-free type electrostatic spinning device which comprises a base plate which is a flat plate and a liquid feeding mechanism, wherein two rows of supporting pieces are arranged on the base plate in parallel at equal intervals, the two rows of supporting pieces correspond to one another, one metal wire penetrates through the top ends of every two corresponding supporting pieces, and the diameter of each metal wire is smaller than or equal to 0.5cm; the liquid feeding mechanism is arranged between the corresponding two rows of supporting pieces, the liquid feeding mechanism comprises a liquid feeding pipe of a hollow pipe body structure and power units connected with the liquid feeding pipe, a plurality of through holes are formed in the two opposite side walls of the liquid feeding pipe at equal intervals, the through holes in the two side walls correspond to one another, liquid feeding heads are further arranged at the outer through holes of the side walls, and the metal wires penetrate into the liquid feeding heads on one side wall and penetrate out from the corresponding liquid feeding heads on the other side wall. The liquid feeding heads at two opposite through holes and the corresponding metal wire penetrating through the liquid feeding heads are on the same line, and the power units drive the liquid feeding pipe to drive the liquid feeding heads to move along the metal wires.
Description
Technical field
The present invention relates to a kind of electrostatic spinning apparatus, particularly a kind of needleless hair style electrostatic spinning apparatus that is applicable to nanofiber volume production.
Background technology
Electrostatic spinning technique is that a kind of high-pressure electrostatic that utilizes makes polymer solution or melt liquid droplet charged and produces jet, thereby forms the mode of nanofiber.
Compare with traditional superfine fibre, nanofiber is of a great variety, and there is higher specific area, therefore in a lot of high-tech areas, all show good application prospect, as: the fields such as biological medicine, organizational project, photoelectric material, bio-sensing, therefore, following to the constantly increase of the demand of nanofiber, to the requirement of electrostatic spinning apparatus, also will be more and more higher.
Traditional electrostatic spinning apparatus makes polymer solution or melt at needle point place, form drop by the mode of extruding capillary (syringe needle), then by electric field action, polymer raw material is made to nanofiber.Yet, utilize which to prepare nanofiber efficiency very low, be not suitable for volume production operation.
Based on the above, face the future for the lifting of nanofiber demand, a kind of equipment development that is applicable to nanofiber volume production is by necessary property.
Summary of the invention
According to the problems referred to above, the present invention is intended to design and produce a kind of equipment that is applicable to nanofiber volume production.
The invention provides a kind of needleless hair style electrostatic spinning apparatus, comprise, base plate, it is a flat board, on described base plate, be provided with to parallel equidistant two support members 2 of being disbursed from the cost and expenses, described two support members 2 of being disbursed from the cost and expenses are corresponding one by one each other, and every two corresponding support member 2 tops are all by same one metal wire 1, and described wire 1 diameter is less than or equal to 0.5cm; Feeding mechanism, between the corresponding support member 2 of two row, described feeding mechanism comprises and is the feeding pipe 3 of hollow tube structure and the power unit 7 being connected with described feeding pipe 3, on two relative sidewalls of described feeding pipe 3 directions, each equidistantly offers some through holes, on described two side, through hole is relative one by one, described sidewall accessibke porosity place is also provided with feeding 4, and the feeding of described wire 1 from one of them sidewall 4 penetrates, and from another sidewall, corresponding feeding 4 passes; Wherein, the feeding 4 that is positioned at two relative through holes is with the wire 1 through described feeding 4 on same straight line, and described power unit 7 drives described feeding pipe 3 that described feeding 4 is moved along described wire 1.
Because polymer solution is subject to tension force and the spontaneous formation polymer solution droplets of stickiness effect meeting in wire surface, by wire is added to high-pressure electrostatic, make charged drop form taylor cone under electric field action, thereby can form further nanofiber.In this process, because polymer solution droplets is spontaneous formation, so the taylor cone quantity that can form on wire is many and size is even, is conducive to a large amount of, the formation of nanofiber uniformly.
Preferably, described needleless hair style electrostatic spinning apparatus, wherein, described wire 1 is fixed on described supporting bar top.
Preferably, described needleless hair style electrostatic spinning apparatus, wherein, described same wire 1 two ends are wrapped in respectively on two roller bearings 10, and the wire 1 between described two roller bearings 10 is by two corresponding supporting bar tops.
Described wire 1 is except being directly simply fixed on supporting bar top, can also be wrapped on roller bearing 10 by first two ends, the mode again the part support of 10 of two roller bearings being connected on two support bars is fixed, adopt is because wire 1 needs to change after using a period of time in this way, otherwise can affect the output of nanofiber, the advantage of this fixed form is: when wire 1 use between support bar is after a period of time, can change one section of new wire 1 by rotating roller bearing 10, thereby reduce manpower and time that dismounting consumes.
Preferably, described needleless hair style electrostatic spinning apparatus, wherein, described support member 2 is insulating bar or insulation board.
Preferably, described needleless hair style electrostatic spinning apparatus, wherein, described feeding pipe 3 is connected with described fluid reservoir 9 by pump 8.Described feeding pipe 3 is for depositing and transferring polymer solution, and described feeding pipe 3 can be used alone, and also can be used in conjunction by pump 8 and fluid reservoir 9.
Preferably, described needleless hair style electrostatic spinning apparatus, wherein, described feeding pipe 3 material therefors are insulating materials.
Preferably, described needleless hair style electrostatic spinning apparatus, wherein, described feeding 4 is greater than the hollow tube structure that 0.1cm, outlet internal diameter are less than 0.5cm for length.Preferably, described feeding 4 is hollow column type body or pyramid type body.
Preferably, described needleless hair style electrostatic spinning apparatus, wherein, described feeding 4 outlet end are provided with a baffle plate 5, and described baffle plate 5 is positioned at described outlet end top.Described baffle plate 5 moves with feeding 4, when being provided for of described baffle plate 5 prevents that feeding 4 from moving along wire 1, at outlet end, forms larger drop, generates compared with crude fibre.
Preferably, described needleless hair style electrostatic spinning apparatus, wherein, on the wire 1 between described two corresponding support members 2, be also provided with cleaning baffle plate 6, described feeding 4 outlet end slide along wire 1, and the through hole from described cleaning baffle plate 6 passes, described cleaning baffle plate 6 strikes off residue on described feeding head.Cleaning baffle plate 6 adopts insulation, deformable material.
Preferably, described needleless hair style electrostatic spinning apparatus, wherein, described power unit 7 is stepper motor or direct current generator, described power unit 7 connects feeding pipe 3, by motor, drive feeding pipe 3 to come and go on wire 1 mobile, thereby smear polymer solution on wire 1 surface, power unit 7 speed are adjustable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the needleless hair style electrostatic spinning apparatus that proposes of the present invention;
Fig. 2 is nanofiber forming section structural representation in the needleless hair style electrostatic spinning apparatus that proposes of the present invention;
Fig. 3 is feeding mechanism structural representation in the needleless hair style electrostatic spinning apparatus that proposes of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
As shown in Figure 1, Figure 2 and Figure 3, it is one embodiment of the invention, specifically tells about a kind of needleless hair style electrostatic spinning apparatus, comprise that base plate is a flat board, on described base plate, be provided with to parallel equidistant two support members 2 of being disbursed from the cost and expenses, every row comprise four support members 2, and described two support members 2 of being disbursed from the cost and expenses are corresponding one by one each other, and every two corresponding support member 2 tops are all by same one metal wire 1, described wire 1 diameter is 0.01cm, be arranged in parallel, have 4 one metal wires 1, described wire 1 is stainless steel wire; Feeding mechanism, between the corresponding support member 2 of two row, described feeding mechanism comprises and is the feeding pipe 3 of hollow tube structure and the power unit 7 being connected with described feeding pipe 3, described feeding pipe 3 is made by polypropylene, inside can hold 30mL polymer solution, and described feeding pipe 3 is connected with fluid reservoir 9 with pump 8 by insulation tube; On two relative sidewalls of described feeding pipe 3 directions, each equidistantly offers some through holes, on described two side, through hole is relative one by one, described sidewall accessibke porosity place is also provided with feeding 4, and the feeding of described wire 1 from one of them sidewall 4 penetrates, and from another sidewall, corresponding feeding 4 passes; Wherein, the feeding 4 that is positioned at two relative through holes is with the wire 1 through described feeding 4 on same straight line, and described power unit 7 drives described feeding pipe 3 that described feeding 4 is moved along described wire 1.The conical hollow tube that described feeding 4 is made for polypropylene, long 1.5cm, outer side outlet internal diameter 0.03cm; Described feeding 4 is provided with feeding first speed plate 5, and the curved baffle 5 that described baffle plate 5 is made for polyethylene, is positioned at directly over a feeding 4 outer side outlet; Described power unit 7 is stepper motor driven slide unit, and slide unit sliding distance is 50cm, and sliding speed is 0.5m/s, and the two ends dead time is 2 seconds.Finally, take the nonwoven fabric of continuous moving be to receive curtain and collects the nanofiber producing.
Adopt as above device to prepare nanofiber:
Polyacrylonitrile is dissolved in to N, in dinethylformamide, be configured to 8% polyacrylonitrile solution, polyacrylonitrile solution is injected to fluid reservoir 9, start pump 8, polypropylene solution is slowly transported in feeding pipe 3, wire 1 is applied to the high-pressure electrostatic of 50kV, start power unit 7, can continuously produce nanofiber.After a period of time, rotate roller bearing 10, the wire 1 more renewing, standby.
Kynoar is dissolved in dimethylacetylamide, is configured to 10% Kynoar solution, Kynoar solution is injected to fluid reservoir 9, start pump 8, Kynoar solution is slowly delivered in feeding pipe 3; Wire 1 is applied to the high-pressure electrostatic of 55kV, start power unit 7, can continuously produce nanofiber.After a period of time, rotate roller bearing 10, the wire 1 more renewing, standby.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in description and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (10)
1. a needleless hair style electrostatic spinning apparatus, is characterized in that, comprise,
Base plate, it is a flat board, on described base plate, be provided with to parallel equidistant two support members (2) of being disbursed from the cost and expenses, described two support members (2) of being disbursed from the cost and expenses are corresponding one by one each other, and every two corresponding support members (2) top is all by same one metal wire (1), and described wire (1) diameter is less than or equal to 0.5cm;
Feeding mechanism, be positioned between the corresponding support member of two row (2), described feeding mechanism comprises and is the feeding pipe (3) of hollow tube structure and the power unit (7) being connected with described feeding pipe (3), on two relative sidewalls of described feeding pipe (3) direction, each equidistantly offers some through holes, on described two side, through hole is relative one by one, described sidewall accessibke porosity place is also provided with feeding head (4), the feeding head (4) of described wire (1) from one of them sidewall penetrates, and from another sidewall, corresponding feeding head (4) passes;
Wherein, the wire (1) that is positioned at the feeding head (4) of two relative through holes and passes described feeding head (4) is on same straight line, and described power unit (7) drives described feeding pipe (3) that described feeding head (4) is moved along described wire (1).
2. needleless hair style electrostatic spinning apparatus according to claim 1, is characterized in that, described wire (1) is fixed on described supporting bar top.
3. needleless hair style electrostatic spinning apparatus according to claim 1, it is characterized in that, it is upper that described same wire (1) two ends are wrapped in respectively two roller bearings (10), and wire (1) support being positioned between described two roller bearings (10) is connected on two corresponding supporting bar tops.
4. needleless hair style electrostatic spinning apparatus according to claim 1, is characterized in that, described support member (2) is insulating bar or insulation board.
5. needleless hair style electrostatic spinning apparatus according to claim 1, is characterized in that, described feeding pipe (3) is connected with described fluid reservoir (9) by pump (8).
6. needleless hair style electrostatic spinning apparatus according to claim 1, is characterized in that, described feeding pipe (3) material therefor is insulating materials.
7. needleless hair style electrostatic spinning apparatus according to claim 1, is characterized in that, described feeding head (4) is for length is greater than 0.1cm, outlet internal diameter is less than the hollow tube structure of 0.5cm.
8. needleless hair style electrostatic spinning apparatus according to claim 7, is characterized in that, described feeding head (4) outlet end is provided with a baffle plate (5), and described baffle plate (5) is positioned at described outlet end top.
9. needleless hair style electrostatic spinning apparatus according to claim 1, it is characterized in that, be positioned on the wire (1) between described two corresponding support members (2) and be also provided with and clear up baffle plate (6), described feeding head (4) outlet end slides along wire (1), and the through hole from described cleaning baffle plate (6) passes, described cleaning baffle plate (6) strikes off residue on described feeding head.
10. needleless hair style electrostatic spinning apparatus according to claim 1, is characterized in that, described power unit (7) is stepper motor or direct current generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310646807.8A CN103603065B (en) | 2013-12-04 | 2013-12-04 | A kind of needleless hair style electrostatic spinning apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310646807.8A CN103603065B (en) | 2013-12-04 | 2013-12-04 | A kind of needleless hair style electrostatic spinning apparatus |
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| CN103603065A true CN103603065A (en) | 2014-02-26 |
| CN103603065B CN103603065B (en) | 2016-03-23 |
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| CN201310646807.8A Expired - Fee Related CN103603065B (en) | 2013-12-04 | 2013-12-04 | A kind of needleless hair style electrostatic spinning apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514036A (en) * | 2014-12-31 | 2015-04-15 | 厦门大学 | Strip-shaped spraying head for electrostatic spinning |
| CN104593880A (en) * | 2015-01-15 | 2015-05-06 | 东华大学 | Electrostatic spinning device for producing polymer nano fibers in batches |
| CN104947207A (en) * | 2015-05-21 | 2015-09-30 | 烟台森森环保科技有限公司 | Electrostatic spinning device with electro-hydraulic separation effect |
| CN106400134A (en) * | 2016-11-10 | 2017-02-15 | 西安工程大学 | Reciprocating liquid feeding type nozzle-free electrostatic spinning device and method for producing nano-fiber membranes by using same |
| CN108950702A (en) * | 2018-07-17 | 2018-12-07 | 浙江农林大学暨阳学院 | A kind of self-priming electric spinning equipment and fibrofelt preparation method |
| CN113106560A (en) * | 2021-02-23 | 2021-07-13 | 青岛中科凯尔科技有限公司 | Device and method for generating polymer nano-fibers |
| CN114481341A (en) * | 2022-03-24 | 2022-05-13 | 河南中纤新材料科技有限公司 | Spray head for linear electrode solution electrostatic spinning and use method thereof |
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| WO2005042813A1 (en) * | 2003-10-30 | 2005-05-12 | Clean Air Technology Corp. | Electrostatic spinning equipment and method of preparing nano fiber using the same |
| CN201908162U (en) * | 2010-12-17 | 2011-07-27 | 东华大学 | Device for preparing nanofiber continuous filament yarn |
| CN102828260A (en) * | 2012-09-18 | 2012-12-19 | 天津工业大学 | Centrifugal needle-free electrostatic spinning device |
| CN102851753A (en) * | 2012-10-15 | 2013-01-02 | 苏州大学 | Porous bubble electrostatic spinning device |
| CN203602766U (en) * | 2013-12-04 | 2014-05-21 | 苏州东奇生物科技有限公司 | Needle-free electrostatic spinning device |
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Patent Citations (7)
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| US2158416A (en) * | 1937-07-28 | 1939-05-16 | Richard Schrelber Gastell | Method and apparatus for the production of artificial fibers |
| US4144553A (en) * | 1976-05-08 | 1979-03-13 | Firma Carl Freudenberg | Apparatus for electrodynamic spraying |
| WO2005042813A1 (en) * | 2003-10-30 | 2005-05-12 | Clean Air Technology Corp. | Electrostatic spinning equipment and method of preparing nano fiber using the same |
| CN201908162U (en) * | 2010-12-17 | 2011-07-27 | 东华大学 | Device for preparing nanofiber continuous filament yarn |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514036A (en) * | 2014-12-31 | 2015-04-15 | 厦门大学 | Strip-shaped spraying head for electrostatic spinning |
| CN104593880A (en) * | 2015-01-15 | 2015-05-06 | 东华大学 | Electrostatic spinning device for producing polymer nano fibers in batches |
| CN104947207A (en) * | 2015-05-21 | 2015-09-30 | 烟台森森环保科技有限公司 | Electrostatic spinning device with electro-hydraulic separation effect |
| CN106400134A (en) * | 2016-11-10 | 2017-02-15 | 西安工程大学 | Reciprocating liquid feeding type nozzle-free electrostatic spinning device and method for producing nano-fiber membranes by using same |
| CN108950702A (en) * | 2018-07-17 | 2018-12-07 | 浙江农林大学暨阳学院 | A kind of self-priming electric spinning equipment and fibrofelt preparation method |
| CN113106560A (en) * | 2021-02-23 | 2021-07-13 | 青岛中科凯尔科技有限公司 | Device and method for generating polymer nano-fibers |
| CN114481341A (en) * | 2022-03-24 | 2022-05-13 | 河南中纤新材料科技有限公司 | Spray head for linear electrode solution electrostatic spinning and use method thereof |
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| Publication number | Publication date |
|---|---|
| CN103603065B (en) | 2016-03-23 |
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