CN105133053A - Screw electrode electrostatic spinning device and method - Google Patents
Screw electrode electrostatic spinning device and method Download PDFInfo
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- CN105133053A CN105133053A CN201510622459.XA CN201510622459A CN105133053A CN 105133053 A CN105133053 A CN 105133053A CN 201510622459 A CN201510622459 A CN 201510622459A CN 105133053 A CN105133053 A CN 105133053A
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Abstract
The invention discloses a screw electrode electrostatic spinning device and method. The screw electrode electrostatic spinning device comprises a high-voltage power supply, a container, a screw and a collecting component, wherein the two poles of the high-voltage power supply are electrically connected with the screw and the collecting component respectively; the screw is horizontally arranged; the bottom of the screw is positioned inside the container; the top of the screw is positioned above the container; the collecting component is positioned right above the screw and separated from the screw by a distance; screw teeth of the screw are triangular screw teeth. According to the invention, the screw with triangular screw teeth is adopted as an electrode for inducing spinning; the screw is simple in structure, uniform height and interval of a pointed end can be easily realized, the electric field distribution is uniform, and obtained nano-fibers are easier to be uniform as compared with nano-fibers obtained through other pointed end induction technologies; besides, the whole device is simple, the processing and mounting are facilitated, the fusion electrospinning is easier to realize. The screw electrode electrostatic spinning device and method can be applied to electrostatic spinning.
Description
Technical field
The present invention relates to electrostatic spinning field, particularly relate to a kind of threaded rod electrode electrostatic spinning apparatus and method.
Background technology
Electrostatic spinning technique is a kind of method of Ji for the production of nanofiber of the most frequently used, most warp, and has realized the solution state of multiple material or the spinning of molten condition.Its principle is: under HV generator effect, forms high-voltage electrostatic field between spinning injection apparatus and nanofiber receiving system; Spinning solution or molten mass form jet under the effect of electric field, and jet attenuates in leaving behind of electric field, bend, splitting becomes thinner form, and finally on gathering-device, deposition forms nanofiber.
Have the production technology such as " spider is spun ", " bubble spins ", " many shower nozzles ", " drum spinning " for the device producing nanofiber in batches at present, the nanofiber that this several technique generates all has non-uniform phenomenon, is difficult to realize melt-spinning process simultaneously.Therefore a lot of researcher proposes some problems that most advanced and sophisticated induction spinning process solves as above technique existence, common methods has " disk induction ", " tip induced ", the most advanced and sophisticated electric charge induction such as " sawtooth induction " device for spinning, a device complexity is all there is, difficult processing problems, simultaneously with upper prong abductive approach, the device of above-mentioned technique is difficult to ensure that the processing of most advanced and sophisticated apparatus for deivation is consistent with installation, is easy to cause the skewness of electric field and cause nanofiber uneven.
Summary of the invention
In order to overcome the problems referred to above, a kind of processing mode is the object of the present invention is to provide simply, easily to realize the threaded rod electrode electrostatic spinning apparatus of mass manufacture.
The technical solution adopted in the present invention is:
A kind of threaded rod electrode electrostatic spinning apparatus, comprise high voltage source, container, screw rod and collecting part, the two poles of the earth of described high voltage source are electrically connected screw rod and collecting part respectively, described screw rod is horizontally disposed with, container is positioned at bottom it, top is positioned at above container, described collecting part to be positioned at directly over screw rod and with screw rod from a distance, the thread of described screw rod is triangle thread.
As a further improvement on the present invention, described container is made up of Heat Conduction Material or described container is furnished with heating unit.
As a further improvement on the present invention, described screw rod is supporting is provided with driver part, also insulate with screw rod in described driver part connecting screw rod end.
As a further improvement on the present invention, described driver part comprises motor, is connected to the driver of motor output end, and described driver connecting screw rod and the connecting portion of described driver and screw rod are made up of insulating materials.
As a further improvement on the present invention, the bearing that the two ends of described screw rod are arranged on bearing block conducts electricity with bearing block and bearing and is connected, and described bearing block is electrically connected a wherein pole of high voltage source.
As a further improvement on the present invention, described bearing block surface is connected to conducting bolt, and the wire be fastened on conducting bolt connects high voltage source.
The present invention also discloses a kind of threaded rod electrode electrospinning process, and its technical scheme adopted is:
A kind of threaded rod electrode electrospinning process, use above-mentioned threaded rod electrode electrostatic spinning apparatus, under the electric field action formed between screw rod and collecting part, the triangle thread tip of screw rod forms accumulation, in bolt rotary process, the spinning solution in container or molten mass are brought to after outside container through triangle thread, surface tension is broken through at triangle thread tip, thus formation jet, jet stretches further in the process flying to collecting part, splitting, finally on collecting part, is deposited as nanofiber.
The invention has the beneficial effects as follows: the present invention adopts triangle thread screw rod as the electrode of induction spinning, screw-rod structure is simple, and easily realize most advanced and sophisticated height and spacing even, Electric Field Distribution is even, obtain nanofiber and compare other most advanced and sophisticated induced processes more easily evenly, and whole device is simple, convenient processing and installation, be more prone to realize melting Electrospun.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is further described.
Fig. 1 is the structural representation of threaded rod electrode electrostatic spinning apparatus;
Fig. 2 is the sectional view of threaded rod electrode electrostatic spinning apparatus;
Fig. 3 is the generalized section of screw rod;
Fig. 4 is the enlarged diagram of part B in Fig. 3.
Detailed description of the invention
Threaded rod electrode electrostatic spinning apparatus as depicted in figs. 1 and 2, comprises high voltage source 1, container 2, screw rod 3 and collecting part 4.
The two poles of the earth of high voltage source 1 are electrically connected screw rod 3 and collecting part 4 respectively.Screw rod 3 is horizontally disposed with, and is positioned at container 2 bottom it, and top is positioned at above container 2, when holding spinning solution or molten mass in container 2, be positioned at below liquid level, and top is positioned at more than liquid level bottom screw rod 3.Generally speaking, in spinning process, the thread of screw rod 3 has part to be immersed in spinning solution or molten mass all the time, and part is in addition positioned at the top of spinning solution or molten mass, so along with screw rod 3 rotates, spinning solution or molten mass are taken away liquid level and reach screw rod 3 top by thread.
As shown in Figure 3 and Figure 4, in embodiment, the thread of screw rod 3 is triangle thread, and the end of thread is most advanced and sophisticated, can inducing tip charge accumulated.As depicted in figs. 1 and 2, collecting part 4 to be positioned at directly over screw rod 3 and with screw rod 3 from a distance, after screw rod 3 and collecting part 4 are energized, form electric field between the two.Surface tension is broken through at spinning solution or the molten mass triangle thread tip at screw rod 3 top, thus forms jet, and jet stretches further in the process flying to collecting part 4, splitting, finally on collecting part 4, is deposited as nanofiber.
Adopt triangle thread in screw rod 3 as the method for induction spinning in embodiment, easily realize most advanced and sophisticated height and spacing is even, Electric Field Distribution is even, and institute obtains nanofiber, and to compare other most advanced and sophisticated induced processes easier to be even.
As further preferred embodiment, container 2 is made up of Heat Conduction Material, and user can directly heat to keep spinning solution or molten mass to have suitable temperature to container 2.Certainly, container 2 may not be to be made up of Heat Conduction Material, and so it can be furnished with heating unit, for example other various mode of heatings such as Electromagnetic Heating, and its object is also can to the spinning solution in container 2 or the direct Heat preservation of molten mass.In addition, the outer wall of container 2 should be insulation relative to the solution that inside contains.
As further preferred embodiment, screw rod 3 is supporting is provided with driver part, and wherein one end of driver part connecting screw rod 3, rotates for drive screw 3, and in order to keep the safety in production, also in order to protect driver part, itself and screw rod 3 insulate.
As driver part preferred embodiment, it driver 6 comprising motor 5 and be connected to motor 5 output, the end of driver 6 connecting screw rod 3 and driver 6 are made up of insulating materials with the connecting portion of screw rod 3, thus realize the insulation of driver part and screw rod 3.When screw rod 3 is charged, electric field is not enough to puncture transfer of air on motor 5, thus ensures the operational security of motor 5.
As further preferred embodiment, the two ends of screw rod 3 are arranged on the bearing of bearing block, and as in Fig. 1 and Fig. 2, screw rod 3 conducts electricity with left end shaft bearing 7 and bearing and is connected, described bearing block 7 is electrically connected a wherein pole of high voltage source 1, thus realizes screw rod 3 and be electrically connected with high voltage source 1.
Bearing block 7 is realized by following structure with the electric connection of high voltage unit: bearing block 7 surface is connected to conducting bolt 8, and the wire 9 be fastened on conducting bolt 8 connects high voltage source 1.
Adopt said apparatus to carry out electrostatic spinning, its concrete principle and method are:
After high voltage source 1 is energized, under the electric field action formed between screw rod 3 and collecting part 4, the triangle thread tip of screw rod 3 forms accumulation, in screw rod 3 rotation process, the spinning solution in container 2 or molten mass are brought to after outside container 2 through triangle thread, spinning solution or molten mass break through surface tension at triangle thread tip, thus formation jet, jet stretches further in the process flying to collecting part 4, splitting, finally on collecting part 4, is deposited as nanofiber.
In addition, be only described the situation of single screw rod, single container in embodiment, those skilled in the art as required, by this apparatus moduleization, thus can be assembled into the device for spinning of multimode, to realize in enormous quantities, large area spinning equipment.
The above is the preferred embodiment of the present invention, and it does not form limiting the scope of the invention.
Claims (7)
1. a threaded rod electrode electrostatic spinning apparatus, it is characterized in that: comprise high voltage source, container, screw rod and collecting part, the two poles of the earth of described high voltage source are electrically connected screw rod and collecting part respectively, described screw rod is horizontally disposed with, container is positioned at bottom it, top is positioned at above container, described collecting part to be positioned at directly over screw rod and with screw rod from a distance, the thread of described screw rod is triangle thread.
2. threaded rod electrode electrostatic spinning apparatus according to claim 1, is characterized in that: described container is made up of Heat Conduction Material or described container is furnished with heating unit.
3. threaded rod electrode electrostatic spinning apparatus according to claim 2, is characterized in that: described screw rod is supporting is provided with driver part, also insulate with screw rod in described driver part connecting screw rod end.
4. threaded rod electrode electrostatic spinning apparatus according to claim 3, it is characterized in that: described driver part comprises motor, is connected to the driver of motor output end, described driver connecting screw rod and the connecting portion of described driver and screw rod are made up of insulating materials.
5. the threaded rod electrode electrostatic spinning apparatus according to claim 1 or 2 or 3 or 4, it is characterized in that: the bearing that the two ends of described screw rod are arranged on bearing block conducts electricity with bearing block and bearing and is connected, and described bearing block is electrically connected a wherein pole of high voltage source.
6. threaded rod electrode electrostatic spinning apparatus according to claim 5, is characterized in that: described bearing block surface is connected to conducting bolt, and the wire be fastened on conducting bolt connects high voltage source.
7. a threaded rod electrode electrospinning process, it is characterized in that: use the device according to any one of claim 1 to 6, under the electric field action formed between screw rod and collecting part, the triangle thread tip of screw rod forms accumulation, in bolt rotary process, the spinning solution in container or molten mass are brought to after outside container through triangle thread, surface tension is broken through at triangle thread tip, thus formation jet, jet stretches further in the process flying to collecting part, splitting, finally on collecting part, is deposited as nanofiber.
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| CN201510622459.XA CN105133053A (en) | 2015-09-24 | 2015-09-24 | Screw electrode electrostatic spinning device and method |
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| CN201510622459.XA CN105133053A (en) | 2015-09-24 | 2015-09-24 | Screw electrode electrostatic spinning device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937055A (en) * | 2016-06-27 | 2016-09-14 | 佛山轻子精密测控技术有限公司 | Cylindrical-surface spiral-line-array-distribution-mode electrostatic-spinning needle-tip induction nozzle |
| CN105937058A (en) * | 2016-06-27 | 2016-09-14 | 佛山轻子精密测控技术有限公司 | Electrostatic spinning electrode with large-curvature units distributed in spiral line on cylindrical face |
| CN111519262A (en) * | 2020-03-24 | 2020-08-11 | 广东机电职业技术学院 | Melt electrostatic spinning equipment |
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| CN101215762A (en) * | 2008-01-03 | 2008-07-09 | 东华大学 | Device and method for preparing highly effective continuous electrostatic spinning nano fibre felt |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937055A (en) * | 2016-06-27 | 2016-09-14 | 佛山轻子精密测控技术有限公司 | Cylindrical-surface spiral-line-array-distribution-mode electrostatic-spinning needle-tip induction nozzle |
| CN105937058A (en) * | 2016-06-27 | 2016-09-14 | 佛山轻子精密测控技术有限公司 | Electrostatic spinning electrode with large-curvature units distributed in spiral line on cylindrical face |
| CN111519262A (en) * | 2020-03-24 | 2020-08-11 | 广东机电职业技术学院 | Melt electrostatic spinning equipment |
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