CN106498510A - Many jet flow static electricity spinning jet printing appts - Google Patents
Many jet flow static electricity spinning jet printing appts Download PDFInfo
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- CN106498510A CN106498510A CN201510561678.1A CN201510561678A CN106498510A CN 106498510 A CN106498510 A CN 106498510A CN 201510561678 A CN201510561678 A CN 201510561678A CN 106498510 A CN106498510 A CN 106498510A
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Abstract
The invention provides a kind of electrostatic spinning jet printing appts with the individually controllable injection of many jets, focusing electric field and constraint air-flow guiding deposition, it is provided with liquid feed device, liquid conduits, injection apparatus, collecting board, needle point earth polar, gas conduit, electronic control pressure reducing valve, air pump, X-Y motion platform, high voltage power supply, control circuit and computer module, wherein injection apparatus are made up of part, and top-down erection sequence is feed liquor plate, flow distribution plate, buffer board, bracket, battery lead plate, nozzle and gas hood；The present invention produces many jets by nozzle array and carries out spray printing raising yield, the flexible controlling deposited by multiple nozzle spraying realizes the efficient spray printing of different pattern with reference to the relative motion of deposition platform, the electric field that Multi-point focusing is formed by needlepoint electrode realizes jet accurate deposition to corresponding position the effect of contraction of each jet motor process with reference to independent restraining air-flow respectively, improve the accuracy of spray printing, and air-flow energy further interfering between slenderizing jet, reduction jet is constrained, so as to further improve the resolution and accuracy of spray printing.
Description
Technical field
The present invention relates to a kind of electrostatic spinning jet printing appts, particularly a kind of electrostatic spinning jet printing appts with the individually controllable injection of many jets, focusing electric field and constraint air-flow guiding deposition.
Background technology
Electrostatic spinning technique mainly uses high voltage electric field makes liquid generation rheological phenomena further form jet deposition and form specific pattern to dielectric surface.The basic device that electrostatic spinning process mainly needs has capillary nozzle, high voltage power supply, liquid feed device and ground connection collecting board, liquid in course of injection at capillary nozzle can form taylor cone first, and jet is to spray to be formed from Taylor's conical point, so the jet for being formed can be far smaller than the internal diameter of capillary nozzle, compared to traditional Printing techniques such as piezoelectric type, hot bubble type and electrostatic Printing techniques, electrostatic spinning Printing techniques have the high resolution of spray printing, the characteristics of seriality is waited well, organizational project biological skeleton can be widely applied to its superior characteristic, microelectronic sensor, the field such as novel nano-material and self-cleaning surface.
The mode of electrostatic spinning production nanofiber can be divided near field electrostatic spinning and far field electrostatic spinning, can realize that batch micro operations spin the nanofiber of cloth form by far field electrostatic spinning, and the relative motion for passing through near field electrostatic spinning with reference to deposition platform can realize basic patterning spray printing.Traditional electrostatic spinning mainly carries out the manufacture of nanofiber using single injector, for far field electrostatic spinning technique, its yield is very little, the industrialization of far field electrostatic spinning technique is limited, and is had at present and the mode to form many jets is all described in the patents that has much applied is carried out electrostatic spinning to increase substantially yield；And near field electrostatic spinning spray printing is directed to, single injector spray printing can conveniently control pattern direct write, can more carry out the 3 D-printing of micro-nano, but which also yields poorly, and also cannot efficiently carry out the spray printing of different pattern.
For solving the above problems, the invention discloses a kind of electrostatic spinning jet printing appts with many jets of multiinjector, introduce multiinjector array and spray many jets, introduce the independent applying of control circuit independent control spray nozzle voltage, so as to realize the individually controllable injection of jet, the motility of spray printing mode is improved by way of selecting different spray nozzles and being sprayed, needle point earth polar array is introduced and is formed Multi-point focusing electric field and combine with the independent restraining air-flow for introducing secondary air and being formed around nozzle and realize the accurate deposition for guiding jet.The yield that spray printing increases substantially spray printing is carried out by many jets, the flexible controlling deposited by multiple nozzle spraying realizes the efficient spray printing of different pattern with reference to the relative motion of deposition platform, the electric field that Multi-point focusing is formed by needlepoint electrode enables many jets to move deposition respectively to corresponding static focusing point, the interference that the other factors in space are moved to jet is reduced to the effect of contraction of each jet motor process respectively in conjunction with independent restraining air-flow, realize jet accurate deposition to corresponding position, increase substantially the accuracy of spray printing, and constrain air-flow energy further slenderizing jet, reduce interfering between jet, so as to further improve the resolution and accuracy of spray printing.
Content of the invention
The present invention is intended to provide a kind of electrostatic spinning jet printing appts for being accurately positioned deposition with the individually controllable injection of many jets, improve the yield of electrostatic spinning spray printing, realize the efficient spray printing of different pattern, while can guarantee that high-resolution and the high precision of pattern spray printing.
The present invention is provided with liquid feed device, liquid conduits, injection apparatus, collecting board, needle point earth polar, gas conduit, electronic control pressure reducing valve, air pump, X-Y motion platform, high voltage power supply, control circuit and computer module, wherein injection apparatus are made up of part, it is feed liquor plate, flow distribution plate, buffer board, bracket, battery lead plate, nozzle and gas hood according to top-down erection sequence, feed liquor plate, flow distribution plate, buffer board, bracket, battery lead plate and gas hood are made by insulant, and nozzle adopts metal material.
The liquid feed device of present invention offer, liquid conduits are connected with feed liquor plate, solution is made to be exported with certain flow by liquid feed device, it is input into by through hole on feed liquor plate, the effect of flow distribution plate and buffer board is to set up solution cushion chamber and make solution uniformly branch to each nozzle；Nozzle has 8（8 are depicted in schematic diagram, but according to the thought of patent application, it is also possible to it is extended again）, in 2 row array column distributions（2 rows are depicted in schematic diagram, but according to the thought of patent application, it is also possible to it is extended again）, nozzle inside diameter is 10 ~ 200 m, and injector spacing is 600 ~ 2000 m, and less the formed nanofiber of nozzle inside diameter is thinner, and the nanofiber spacing of the less spray printing of injector spacing is less, so can improve resolution.The projection of nozzle array is connected through the via-hole array on bracket and battery lead plate and with hole formation, there is circuit-line wherein on battery lead plate, be independently connected to each nozzle, and the supply line between each nozzle is mutually isolated；Control circuit is provided with on-off circuit, and supply line's tip designs have extraction pin to be connected with high-voltage power cathode by the on-off circuit in control circuit as interface, so as to realize the independently-powered of each nozzle.Nozzle array is through the via-hole array on gas hood, crack is formed between its hole wall, crack size is 0.5 ~ 2mm, it is 1 ~ 5mm that nozzle protrudes gas hood sole length, 3 ~ 6 times for crack size of gas hood through hole length, through hole is made up of transition segmental arc and straightway, segmental arc curvature between gas hood through hole length 1/1 to two/3rds, air-flow can be made to form the constraint air-flow around jet in nozzle exit by the guiding function of segmental arc and the rectified action of straightway.Gas hood is connected with automatically controlled pressure regulator valve, air pump by gas conduit, control of the air pump output gas flow through electronic control pressure reducing valve, air-flow is made with certain flow velocity and pressure input gas hood, in the presence of gas hood, independent action is in each nozzle, the constraint air-flow around each nozzle is formed, reduces interference of the other factors in space to jet, constraint jet is deposited to dielectric surface, constrain air-flow simultaneously and can further refine jet, reduce the electrostatic repulsion between jet.High-voltage power cathode is connected with control circuit, it is connected with battery lead plate input pin so as to being connected with each nozzle by the on-off circuit of design on control circuit, portion nozzle jet injection needed for high pressure, high voltage power supply minus earth are selectively supplied under the on-off control of control circuit；Needle point earth polar array is located at immediately below nozzle array, corresponding with nozzle array, needle point earth polar reliable ground, Multi-point focusing electric field will be formed under conditions of nozzle applies high pressure, what under static focusing effect, jet can be fixed is deposited on above needle point earth polar, is avoided that the uncertainty of traditional classical spinning flat panel collector jet deposition position；Collecting board is located between the two, and collecting board is fixed on X-Y motion platform, injection apparatus can move relatively, and deposition Electrospun nano-fibers simultaneously constitute different patterns.Computer module is connected with control circuit, control circuit is connected with battery lead plate, electronic control pressure reducing valve, liquid feed device, X-Y motion platform respectively, respectively control high-voltage power voltage export to the switch of battery lead plate each pin so as to the power supply of each nozzle of independent control, the flow velocity of electronic control pressure reducing valve and the output of pressure are so as to controlling corresponding constraint air-flow velocity and pressure, the liquid supply speed of liquid feed device and institute's jet spray printing flow at gas hood output, the movement velocity of X-Y mobile platforms and direction and injection apparatus relative motion so as to realizing deposition different pattern.
Computer module provided by the present invention is used as host computer, the main control chip of control circuit is used as slave computer, directly by upper computer software output order to slave computer, system is made to be operated or make system work by the control chip of the defeated program writing input control circuit of computer module；When system works，The program that burning is write in advance is to control chip，Under the unified manipulation of control circuit，Signal is produced so as to opening the partial switch between high voltage power supply and battery lead plate，Specific pin input high pressure on battery lead plate，So as to supply power to the nozzle being connected with the pin，Make its difference can be corresponding thereto needle point earth polar between formed focusing electric field triggering jet spray while the deposition position of focusing jet，The spinning solution flow for adjusting liquid feed device supply is corresponding with the flow of injection，Control X-Y motion platform carries out the relative motion of particular track with injection apparatus，Outputing signal to electronic control pressure reducing valve makes which control the air-flow of air pump output certain flow rate and pressure to gas hood，And constraint air-flow around jet is formed under the guided focused and rectified action of gas hood through hole segmental arc and straightway，Under the focussing force of the effect of contraction and focusing electric field of constraint air-flow, jet is accurately moved to collecting board ad-hoc location，And the track that is synchronized with the movement in conjunction with X-Y motion platform carries out successive sedimentation formation specific pattern，In running hours，The nozzle that the selection of change is different carries out jet deposition，As the flexible change of multiple nozzle spraying and the track of X-Y motion platform combine，Patterning spray printing can efficiently be carried out.According to the operation principle of the present invention, nozzle array can be expanded to array, and battery lead plate can be manufactured using multi-layer flexible circuit, and can achieve large batch of jet carries out spray printing.
The present invention improves the yield of electrostatic spinning spray printing by introducing many jets of multiinjector array injection；By introducing the applying of control circuit independent control spray nozzle voltage so as to realizing the individually controllable injection of jet, the mode sprayed of different spray nozzles is selected to improve the motility of spray printing mode, the flexible controlling of multiple nozzle spraying deposition realizes the efficient spray printing of different pattern with reference to the relative motion of deposition platform；By introducing, needle point earth polar array forms Multi-point focusing electric field and introducing secondary air forms the independent restraining air-flow around nozzle, needlepoint electrode forms the electric field of Multi-point focusing enables many jets to move deposition respectively to corresponding static focusing point, the interference that the other factors in space are moved to jet is reduced to the effect of contraction of each jet motor process respectively in conjunction with independent restraining air-flow, realize jet accurate deposition to corresponding position, increase substantially the accuracy of spray printing, and constrain air-flow energy further slenderizing jet, reduce interfering between jet, so as to further improve the resolution and accuracy of spray printing.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is assembly of the invention schematic diagram.
Tu2Shi battery lead plates supply line schematic diagram.
1. liquid feed device in figure, 2. liquid conduits, 3. feed liquor plate, 4. flow distribution plate, 5. buffer board, 6. bracket, 7. battery lead plate, 8. nozzle, 9. gas hood, 10. collecting board, 11. needle point earth polars, 12. liquid conduits, 13. electronic control pressure reducing valves, 14. air pumps, 15.X-Y motion platforms, 16. high voltage power supplies, 17. control circuits, 18. computer modules.
Specific embodiment
In FIG, from up to down order is installed successively for feed liquor plate (3), flow distribution plate (4), buffer board (5), bracket (6), battery lead plate (7), nozzle (8) and gas hood (9), constitutes injection apparatus；Liquid feed device (1) is connected by liquid conduits (2) and the upper through hole of feed liquor plate (3) with certain flow rate and pressure input spinning solution；Spinning solution is entered row buffering and is uniformly branched to each nozzle (8) by the solution cushion chamber that flow distribution plate (4), buffer board (5) are constituted, liquid feed device (1) can by control circuit control adjustment spinning solution flow velocity and pressure with adapt to jet injection demand, the nozzle (8) for producing jet will have continual spinning solution supply, and the nozzle (8) not sprayed can form the meniscus of suspension in nozzle (8) end in the presence of negative pressure；Battery lead plate (7) is upper to have supply line, being connected with each nozzle (8) independently, nozzle (8) array has 8, arrange in two row arrays, the supply line of each nozzle (8) is mutually isolated, so as to realize the independently-powered of nozzle (8)；The positive pole of high voltage power supply (16) is connected with the input pin on battery lead plate (7) by the on-off circuit in control circuit, minus earth；Gas hood (9) is connected (15) with electronic control pressure reducing valve (13), gas conduit (14) and air pump, air pump (15) output gas flow regulates and controls output to gas hood (9) through the flow velocity and pressure of electronic control pressure reducing valve (13), forms the constraint air-flow around nozzle (8) in the presence of gas hood (9) self structure；Needle point earth polar (11) array is located at immediately below nozzle (8) array, each needle point and each nozzle are corresponding respectively, the unified ground connection in needle point earth polar (11), collecting board (10) is located in the middle of both, and be fixed on X-Y motion platform (15), so as to predetermined track relative nozzle (8) array and needle point earth polar (11) arraymotion；Computer module (18) is connected with control circuit (17), directly can communicate with control circuit (17) as host computer and send series of instructions operating system, it is also possible to run by whole system is made in coding direct burning to control chip；Control circuit (17) is connected with liquid feed device (1), high voltage power supply (16), electronic control pressure reducing valve (13) and X-Y motion platform (15) respectively, respectively movement locus of the solution feed speed, high voltage power supply (16) of control liquid feed device (1) to the output switch, the flow velocity of electronic control pressure reducing valve (13) output gas flow and pressure and X-Y motion platform (15) of each nozzle (8)；When system works，The program that burning is write in advance is to control chip，Under the unified manipulation of control circuit (17)，Produce signal and open the partial switch between high voltage power supply (16) and battery lead plate (7)，Make the specific pin input high pressure on battery lead plate (7)，So as to supply power to the nozzle being connected with the pin (8)，Make its difference can be corresponding thereto needle point earth polar (11) between formed focusing electric field triggering jet spray while the deposition position of focusing jet，The spinning solution flow that regulation liquid feed device (1) is supplied is corresponding with the flow of injection，Control X-Y motion platform (15) carries out the relative motion of particular track with injection apparatus，Outputing signal to electronic control pressure reducing valve (13) makes which control the air-flow of air pump (14) output certain flow rate and pressure to gas hood (9)，And constraint air-flow around jet is formed under the guided focused and rectified action of gas hood (9) through hole segmental arc and straightway，Under the focussing force of the effect of contraction and focusing electric field of constraint air-flow, jet is accurately moved to collecting board (10) ad-hoc location，And the track that is synchronized with the movement in conjunction with X-Y motion platform (15) carries out successive sedimentation formation specific pattern，In running hours，The nozzle (8) that the selection of change is different carries out jet deposition，As the flexible change of multiple nozzle spraying and the track of X-Y motion platform (15) combine，Patterning spray printing can efficiently be carried out.
Through hole in Fig. 2 on nozzle (8) array electrode plate (7) is connected, battery lead plate is designed with supply line on (7), connect respectively at each nozzle (8), mutually isolated between the supply line of each nozzle (8), so as to realize the independently-powered of nozzle (8).
Claims (8)
1. a kind of many jet flow static electricity spinning jet printing appts, the connected mode of liquid feed device, liquid conduits, feed liquor plate, flow distribution plate, buffer board, bracket, battery lead plate, nozzle, gas hood, collecting board, needle point earth polar, gas conduit, electronic control pressure reducing valve, air pump, X-Y motion platform, high voltage power supply, control circuit and computer module, is characterized in that：Described feed liquor plate, flow distribution plate, buffer board, bracket, battery lead plate, nozzle and gas hood from up to down connect, and feed liquor plate through hole is solution input port, and constitutes solution cushion chamber with flow distribution plate, buffer board and bracket, enables solution uniform divided flows to each nozzle；Gas hood constitutes gas buffer chamber with bracket and energy uniform divided flows air-flow is to each nozzle；Described liquid feed device has the automatically controlled speed-regulating function of solution flow rate, is connected with feed liquor plate by liquid conduits, constitutes spinning solution feed path；There is electronic control pressure reducing valve regulation and control air-flow velocity and pressure function, air pump, electronic control pressure reducing valve, gas conduit and gas hood to be sequentially connected, and constitute constraint air-flow feed path；Described needlepoint electrode array is located at immediately below nozzle array, and reliable ground, each needle point are corresponding with nozzle；Collecting board is located above needle point earth polar, and is fixed on X-Y motion platform, can relative nozzle arraymotion；The computer module is connected with control circuit, is communicated with control circuit as host computer and is manipulated whole system；Control circuit is connected with liquid feed device, high-voltage power cathode, electronic control pressure reducing valve and X-Y motion platform respectively, control solution feeding rate, the voltage supply of given nozzle, the flow velocity of output gas flow and pressure, the movement locus of X-Y motion platform relative nozzle, coordinate whole system automatic operating respectively；High voltage power supply minus earth.
2. a kind of many jet flow static electricity spinning jet printing appts according to claim 1, it is characterised in that feed liquor plate, flow distribution plate, buffer board, bracket, battery lead plate and gas hood are made by insulant, nozzle adopt metal material with needle point earth polar.
3. a kind of many jet flow static electricity spinning jet printing appts according to claim 1, is characterized in that being that nozzle has 8, and in 2 row array column distributions, nozzle inside diameter is 10 ~ 200 m, and injector spacing is 600 ~ 2000 m.
4. a kind of many jet flow static electricity spinning jet printing appts according to claim 1, it is characterised in that there is supply line on battery lead plate, be independently connected to each nozzle, the supply line between each nozzle is mutually isolated.
5. a kind of many jet flow static electricity spinning jet printing appts according to claim 1, it is characterized in that control circuit is provided with on-off circuit, the supply line end of battery lead plate is provided with extraction pin, draw pin to be connected with high-voltage power cathode by the on-off circuit in control circuit respectively, high pressure energy is made by the on-off circuit of software or procedure operation control circuit while being input into from different pins.
6. a kind of many jet flow static electricity spinning jet printing appts according to claim 1, it is characterized in that nozzle array is through the via-hole array on gas hood, crack is formed between its hole wall, crack size is 0.5 ~ 2mm, it is 1 ~ 5mm that nozzle protrudes gas hood sole length, and gas hood through hole length is 3 ~ 6 times of crack size.
7. a kind of many jet flow static electricity spinning jet printing appts according to claim 1, it is characterised in that gas hood through hole is made up of transition segmental arc and straightway, segmental arc curvature between gas hood through hole length 1/1 to two/3rds.
8. a kind of many jet flow static electricity spinning jet printing appts according to claim 1, it is characterised in that the via-hole array of gas hood, nozzle array and needle point earth polar array are co-axially mounted.
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| CN201510561678.1A CN106498510A (en) | 2015-09-07 | 2015-09-07 | Many jet flow static electricity spinning jet printing appts |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106948084A (en) * | 2017-04-01 | 2017-07-14 | 佛山轻子精密测控技术有限公司 | The Nanofiber filter net preparation facilities and method of a kind of recycling |
| CN108301055A (en) * | 2018-01-17 | 2018-07-20 | 广州市白云美好滤清器厂 | A kind of nanofiber producing device |
| CN108536183A (en) * | 2018-02-08 | 2018-09-14 | 广东工业大学 | Spray printing distance regulation method based near field electrospinning spray printing Multi needle array experiment |
| CN108914225A (en) * | 2018-09-05 | 2018-11-30 | 东华大学 | A kind of electrospinning process of three free surfaces water-spraying fabric |
| CN109731726A (en) * | 2019-03-05 | 2019-05-10 | 厦门纳莱科技有限公司 | A kind of multi-source driving ultrasonic atomizing device |
| CN110670156A (en) * | 2019-09-26 | 2020-01-10 | 佛山轻子精密测控技术有限公司 | Needle tip induction electrostatic spinning nozzle and needle tip induction electrostatic spinning device |
| CN114808155A (en) * | 2022-05-24 | 2022-07-29 | 青岛科技大学 | Electrostatic spinning multi-nozzle distribution device with uniform and strengthened electric field, method and application |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948084A (en) * | 2017-04-01 | 2017-07-14 | 佛山轻子精密测控技术有限公司 | The Nanofiber filter net preparation facilities and method of a kind of recycling |
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| CN108536183A (en) * | 2018-02-08 | 2018-09-14 | 广东工业大学 | Spray printing distance regulation method based near field electrospinning spray printing Multi needle array experiment |
| CN108536183B (en) * | 2018-02-08 | 2021-08-24 | 广东工业大学 | Spray printing distance regulation and control method based on near-field electrospinning spray printing multi-needle array experiment |
| CN108914225A (en) * | 2018-09-05 | 2018-11-30 | 东华大学 | A kind of electrospinning process of three free surfaces water-spraying fabric |
| CN109731726A (en) * | 2019-03-05 | 2019-05-10 | 厦门纳莱科技有限公司 | A kind of multi-source driving ultrasonic atomizing device |
| CN110670156A (en) * | 2019-09-26 | 2020-01-10 | 佛山轻子精密测控技术有限公司 | Needle tip induction electrostatic spinning nozzle and needle tip induction electrostatic spinning device |
| CN114808155A (en) * | 2022-05-24 | 2022-07-29 | 青岛科技大学 | Electrostatic spinning multi-nozzle distribution device with uniform and strengthened electric field, method and application |
| CN114808155B (en) * | 2022-05-24 | 2023-10-24 | 青岛科技大学 | Electric field uniform distribution and enhancement electrostatic spinning multi-nozzle arrangement device, method and application |
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Effective date of registration: 20180420 Address after: 361023 Fujian city Jimei district irrigation town Yongquan Industrial Park Building No. 10 (the original building code J7) on the third floor of the 301 Applicant after: Branch of Bethesda (Xiamen) environmental Polytron Technologies Inc Address before: 361021 Jimei Road, Jimei District, Fujian, No. 1799, No. Applicant before: Bei Sida environmental protection investments Co., Ltd of Fujian Province |
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