CN1908255A - Electrostatic spinning machine - Google Patents
Electrostatic spinning machine Download PDFInfo
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- CN1908255A CN1908255A CN 200610125960 CN200610125960A CN1908255A CN 1908255 A CN1908255 A CN 1908255A CN 200610125960 CN200610125960 CN 200610125960 CN 200610125960 A CN200610125960 A CN 200610125960A CN 1908255 A CN1908255 A CN 1908255A
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- spinning machine
- electrostatic spinning
- gatherer
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Abstract
The invention relates to static spinning machine, which comprises: a high-voltage system, a material supplier, an ejection height adjuster, and a collector, wherein said power system is formed by high-voltage direct-current static generator, an anode and a cathode; the supplier is formed by a cup support, a micro ejection pump, and an ejector; the adjuster comprises a group of worm systems integrated with the liquid storage cup, while one end of it fixes the liquid storage cup and another end has the worm wheel meshed with worm, to slide along the trapeze groove at the side edge of worm groove; and the collector can be metallic plate shape, mesh shape and tube shape.
Description
Technical field
The present invention relates to a kind of electrostatic spinning machine, relate to a kind of electrostatic spinning machine that has rotatable column type gatherer, tabular or latticed gatherer specifically, belong to field of textile machinery, be particularly suitable for spinning various nano-scale fibers.
Background technology
The electricity electrostatic spinning is that a kind of polymer solution or melt of utilizing forms the technology that injection stream is carried out spinning process under the highfield effect.In electrospinning silk process, filled the polymer solution or the fused solution of charging in the injection apparatus, under the extra electric field effect, be subjected to surface tension effects and remain on the macromolecule drop at nozzle place, induce lower surface to assemble electric charge at electric field, be subjected to an electric field force opposite with the surface tension direction.When electric field strengthened gradually, the drop at nozzle place was taper by spherical being elongated, and forms so-called " taylor cone ".And when electric-field intensity increased to a critical value, electric field force will overcome the surface tension of liquid, ejection from " taylor cone ".By drawing-down rapidly, solvent is volatilization rapidly also, finally forms the fiber of diameter in the nm level, and is scattered on the gathering-device in mode at random, forms nonwoven fabric under high effect of electric field for injection stream.
Existing electric spinning device mainly is made up of following 4 parts: (1) high voltage source: in order to the highfield between injection apparatus and gathering-device to be provided, the general high direct voltage electrostatic generator that adopts maximum output voltage at 30-100kV, under the effect of this highfield, the speed of solution thread generally can reach tens of metre per second (m/s)s.(2) solution storage device: can use syringe or liquid storage pipe etc., wherein fill polymer solution or fused solution, and insert a metal electrode.This electrode links to each other with high voltage source, makes liquid charged.When adopting syringe to do the solution storage device, can directly high voltage source be linked to each other with the metal needle of syringe, need not to insert in addition electrode.(3) injection apparatus: injection apparatus is capillary or the syringe needle of internal diameter 0.15-2mm.When not switching on, liquid should be able to be full of nozzle but be unlikely to drippage, and this point can utilize the deadweight of liquid to realize; Also can adopt air pump adjusting hydrostatic pressure is installed in the solution storage device, perhaps utilize the method for the slow pushing syringe of numerical controlled machinery device.Back dual mode also can be controlled flow rate of liquid in spinning process.(4) gathering-device: generally be metal plate or grid.Gathering-device ground connection, owing to the potential difference between nozzle and gathering-device, between forms high electric field like this.Electric-field intensity can be by the output valve of high voltage source and the distance control between injection apparatus and gathering-device.This gathering-device can only spin flat nonwoven fabric.Make tube if desired, flat nonwoven fabric can only be curled into column type, and then stick with glue agent adhint place, this technology is loaded down with trivial details, and has used adhesive, may introduce foreign material.
Above-mentioned electrostatic spinning apparatus belongs to the assembly unit voluntarily of principle and laboratory mostly, does not see to adapt to various researchs and the adjustable controlled complete sets of instrument of producing needs.
Summary of the invention
Purpose of the present invention provides a kind of adjustable controlled complete electrostatic spinning machine.By this device, realize the purpose that voltage, jet length, collection mode can be regulated arbitrarily and change.
For realize of the present invention from the technical scheme of employing as follows:
Electrostatic spinning machine of the present invention is characterized in that electrostatic spinning machine mainly comprises the collector system of high voltage power supply, feeding system, jetting height regulating system, replaceable rotation rate-controllable.
Described high voltage power supply is made of HVDC electrostatic generator, positive pole, negative pole.Wherein anode links to each other with positive electrode by spring clip with the injector head outer wall, and negative pole partly is connected with the gatherer electric conductor.
Described feeding system comprise be fixed in the saucer made by insulating materials on the elevating lever, be embedded in the liquid storing cup in the saucer, the micro-injection pump that links to each other with liquid storing cup constitutes.The lower port of liquid storing cup is connected to injector head, is the metallic object of hollow.
Be provided with one group turbine and worm system in the described jetting height regulating system, the two ends of worm screw are vertically mounted in the worm screw groove respectively by bearing fixing, and a high end is provided with the rotation rotating disk.Turbine and liquid storing cup elevating lever are an integral body, and an end is used for fixing liquid storing cup, and the other end is provided with the turbine mutually meshing with worm screw, and its lateral layout becomes the slide mass of entity trapezoidal shape, can slide up and down in the dovetail groove of worm screw groove side.Clockwise or rotate counterclockwise rotating disk and can directly drive worm screw and do clockwise or rotate counterclockwise, and then drive indirectly in the turbine dovetail groove and slide up and down, reach the purpose of the distance of jet and gatherer in the lifting of regulating the liquid storing cup elevating lever, the control liquid storing cup.
Described removable gathering system is made of stepper motor, shaft coupling, axis of rotation, insulating washer, hold-down nut, gatherer.The stepper motor rotating shaft is connected with rotating shaft by two bearing fixing by shaft coupling, and the stepper motor after the energising directly constant speed driven rotary axle rotates.Be provided with installing hole in the gatherer, can be installed on the axle center of rotating shaft to be inserted in the mode that adds nut check.Gatherer has metal plate shape, latticed and pipe shape three classes, and each class has different specifications again, and the material shape that can prepare is as required changed arbitrarily.When used gatherer was pipe shape gatherer, the stepper motor that is provided with multistage rotating speed drove pipe shape gatherer and rotates.When used gatherer is tabular or latticed gatherer, do not start stepper motor.Gatherer can be that inner core, skin are that polytetrafluoroethylene (PTFE) is made with stainless steel bar or with the stainless steel bar.
Compared with prior art, the invention has the advantages that: 1, equipment typing, avoided the end user must process deficiency with assembly unit voluntarily; 2, easy to use, important parameters can regulate and control as required; 3, not only flaky material can be prepared, the tubular material of multiple caliber can also be one-shot forming prepared.
Description of drawings
For the ease of the understanding of the present invention, now in conjunction with the accompanying drawings it is further described.
Fig. 1 is an electrostatic spinning machine schematic appearance of the present invention.
Fig. 2 is that one of electrostatic spinning machine of the present invention is implemented illustration.
Fig. 3 is a liquid storing cup elevating lever vertical view in the jetting height regulating system of the present invention.
Fig. 4 is a liquid storing cup elevating lever front view in the jetting height regulating system of the present invention.
Fig. 5 is the liquid storing cup front view in the feeding system of the present invention.
Fig. 6 is the worm screw profile in the jetting height regulating system of the present invention.
Fig. 7 is a worm screw holddown groove vertical and horizontal profile in the jetting height regulating system of the present invention.
Fig. 8 is a pipe shape gatherer front view of the present invention.
Fig. 9 is a tumbler in the collector system of replaceable rotation rate-controllable of the present invention.
Figure 10 is a flat gatherer schematic diagram of the present invention.
The specific embodiment
For the ease of the understanding of the present invention, now in conjunction with the accompanying drawings it is further described.
Among Fig. 1, the 1st, the liquid storing cup saucer is made by insulating materials; The 2nd, the rotation rotating disk that links to each other with worm screw; The 3rd, the electrostatic spinning machine cabinet exterior; The 4th, the control panel button; The 5th, power line; The 6th, cabinet base; The 7th, the casing leg; The 8th, have the visuable door switch of glass.
Among Fig. 2, the 9th, liquid storing cup elevating lever in the jetting height regulating system; The 10th, the handle on the lifting turntable; The 11st, worm screw is installed in the worm screw groove; The 12nd, HV generator can be produced the high-pressure electrostatic of 30-100kV; The 13rd, small type stepping motor can be adjusted its pulse frequency by the adjusting button on the panel, thereby reaches the purpose of control motor speed, and the rotational velocity range that can be provided with is 0-3000 rev/min; The 14th, gatherer rotating shaft axle center is by shaft coupling and stepper motor coaxial rotation; The 15th, the movable cleaning deskitte of casing inner bottom surface can be accepted the foreign material that produce in the spinning process.
Among Fig. 3, the 16th, slide mass is the entity trapezoidal shape, is embedded in the empty body dovetail groove in the worm screw groove, and slide mass can slide up and down in groove along with the rotation of worm screw, and the 17th, the saucer hole.
Among Fig. 4, the 18th, be arranged at the turbine of liquid storing cup elevating lever one end, corresponding with worm screw, be the meshing state of nature, when turning handle, worm screw is only rotated, mutually meshing with it turbine elevating lever then slides up and down, and takes this to regulate the distance between injector head and the gatherer.
Among Fig. 5, the 19th, supercharging pushing tow body both can manually advance, and also can be connected use with micro-injection pump, can control the flow velocity of spinning solution by regulating pressure; The 20th, the cup of liquid storing cup is made by transparent material, and indicates scale, and a spinning instrument is furnished with 20 milliliters, 50 milliliters, 80 milliliters and 100 milliliters; 19 is square shaped card ears, corresponding with groove in the saucer, and when liquid storing cup placed saucer, the card ear just in time embedded in the groove; The 20th, injector head is the metallic object of hollow, and jet is " taylor cone " shape, and its outer wall links to each other with positive pole by spring clip.
When filling with spinning solution in the cup of liquid storing cup, under the self gravitation effect, can be full of injector head naturally but No drip type, after the energising, under the electric field force effect, spinning solution is drawn out from injector head, forms high velocity jet, and be received rapidly, solvent in the spinning solution is volatilization rapidly also, is scattered on the gatherer with at random form at last, behind the deenergization, thank down to gatherer, take off electrospinning silk product.
Among Fig. 6, the 21st, ball bearing, plays the axial location effect to worm screw by each one up and down; The 22nd, worm screw forms complete transmission mechanism with the turbine of liquid storing cup elevating lever one end.
Among Fig. 7, the 23rd, dovetail groove, with the slide mass tabling that is the entity trapezoidal shape among Fig. 3, the slide mass of entity trapezoidal shape can slide up and down in dovetail groove; The 25th, bearing groove has two, in the worm screw up and down two bearings play supporting role.
Among Fig. 8, the 26th, pipe shape gatherer, during be provided with fixing hole, the axle center of gatherer rotating shaft can penetrate wherein, its outer tube wall links to each other with negative electrode by the spring clip that is similar to motor brush, and an electrostatic spinning view can dispose multiple outer pipe shape gatherer through specification.
Among Fig. 9, stepper motor, shaft coupling, bearing, axle center, insulating washer, hold-down nut constitute collects tumbler.The 13rd, small type stepping motor; 27, the 29th, insulating washer can prevent that negative electricity from communicating with the spinning instrument by the axle center; The 28th, hold-down nut, corresponding with the screw thread of axle center end, after pipe shape gatherer or tabular gatherer were inserted in the axle center, locking nut got final product.
Among Figure 10, the 32nd, the surface of planar collecting device is made by metal material, and surface-brightening links to each other with negative pole by spring leaf; The 33rd, fixing hole, the axle center of gatherer rotating shaft can penetrate wherein.If adopt the grid gatherer, its structure and occupation mode are similarly.
Claims (9)
1, a kind of electrostatic spinning machine is characterized in that electrostatic spinning machine mainly comprises the collector system of high voltage power supply, feeding system, jetting height regulating system, replaceable rotation rate-controllable;
I, high voltage power supply are made of HVDC electrostatic generator, positive pole, negative pole, and wherein positive pole links to each other with positive electrode by spring clip with the injector head outer wall, and negative pole partly is connected with the gatherer electric conductor;
II, feeding system comprise the saucer that is fixed on the elevating lever, be embedded in the liquid storing cup in the saucer, the micro-injection pump that links to each other with the liquid storing cup upper end and the lower port injector head formation of joining;
Be provided with one group turbine and worm system in III, the described jetting height regulating system, turbine and liquid storing cup elevating lever are an integral body, one end is used for fixing liquid storing cup, the other end is provided with the turbine mutually meshing with worm screw, its lateral layout becomes the slide mass of entity trapezoidal shape, can slide up and down in the dovetail groove of worm screw groove side;
IV, described removable gathering system are made of stepper motor, shaft coupling, axis of rotation, insulating washer, hold-down nut, gatherer.
2, electrostatic spinning machine according to claim 1 is characterized in that the end of worm screw is provided with the rotation rotating disk in the jetting height regulating system, can do clockwise or rotate counterclockwise.
3, require described electrostatic spinning machine according to right 1, it is characterized in that saucer is made by insulating materials in the described feeding system.
4, electrostatic spinning machine according to claim 1 is characterized in that described liquid storing cup made by transparent material, and indicates scale.
5, require described electrostatic spinning machine according to right 1, it is characterized in that the middle and lower part of described liquid storing cup is provided with a square shaped card ear, corresponding with groove in the saucer, its top can link to each other with micro-injection pump or supercharging pushing tow body.
6, electrostatic spinning machine according to claim 1 is characterized in that described removable gathering system, is made of stepper motor, shaft coupling, axis of rotation, insulating washer, hold-down nut, gatherer.
7, electrostatic spinning machine according to claim 6 is characterized in that the gatherer in the gathering system is installed on the axis of rotation, and insulating washer is arranged respectively about it, and hold-down nut is corresponding with the screw thread of axle center end.
8, require described electrostatic spinning machine according to right 6, it is characterized in that gatherer in the gathering system has three kinds of metal plate shape, latticed and pipe shapes.
9, electrostatic spinning machine according to claim 6, when it is characterized in that gatherer in the gathering system is pipe shape gatherer, available stainless steel bar or be that inner core, skin are that polytetrafluoroethylene (PTFE) is made with the stainless steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101259606A CN100457985C (en) | 2006-08-21 | 2006-08-21 | Electrostatic spinning machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006101259606A CN100457985C (en) | 2006-08-21 | 2006-08-21 | Electrostatic spinning machine |
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| CN1908255A true CN1908255A (en) | 2007-02-07 |
| CN100457985C CN100457985C (en) | 2009-02-04 |
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| CNB2006101259606A Expired - Fee Related CN100457985C (en) | 2006-08-21 | 2006-08-21 | Electrostatic spinning machine |
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Cited By (11)
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| WO2009127166A1 (en) * | 2008-04-18 | 2009-10-22 | 中国科学院上海硅酸盐研究所 | Electrospinning fiber tubular material and preparation method thereof |
| CN101755079B (en) * | 2007-07-17 | 2012-03-21 | 埃尔马科有限公司 | Method for spinning the liquid matrix, device for production of nanofibres through electrostatic spinning of liquid matrix and spinning electrode for such device |
| CN102517654A (en) * | 2011-12-31 | 2012-06-27 | 福建农林大学 | Cantilever type nanofiber electrospinning system |
| CN102953130A (en) * | 2012-11-27 | 2013-03-06 | 北京化工大学 | Electrostatic spinning device of trace material |
| CN102978721A (en) * | 2007-10-30 | 2013-03-20 | 上海昊海生物科技股份有限公司 | Preparation method for controllable patterned electrospinning fiber aggregate |
| CN103343393A (en) * | 2013-07-24 | 2013-10-09 | 苏州大学 | Electrostatic spinning device and method for three-dimensional nanofiber assembly |
| CN105442067A (en) * | 2015-12-31 | 2016-03-30 | 天津工大瑞工光电技术研究院有限公司 | Electrostatic spinning device machine box with temperature and humidity automatically controlled |
| CN102978720B (en) * | 2007-10-30 | 2016-12-28 | 上海昊海生物科技股份有限公司 | A kind of preparation method of controllable patterned electricity spinning fibre congeries |
| CN108437637A (en) * | 2018-02-28 | 2018-08-24 | 华中科技大学 | A kind of spiral fluid channel electrofluid nozzle |
| CN110117822A (en) * | 2019-04-24 | 2019-08-13 | 英鸿纳米科技股份有限公司 | A kind of nanofiber special collector |
| CN110707317A (en) * | 2019-11-20 | 2020-01-17 | 泽晖新能源材料研究院(珠海)有限公司 | Silicon-carbon negative electrode material preparation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101755079B (en) * | 2007-07-17 | 2012-03-21 | 埃尔马科有限公司 | Method for spinning the liquid matrix, device for production of nanofibres through electrostatic spinning of liquid matrix and spinning electrode for such device |
| CN102978721A (en) * | 2007-10-30 | 2013-03-20 | 上海昊海生物科技股份有限公司 | Preparation method for controllable patterned electrospinning fiber aggregate |
| CN102978720B (en) * | 2007-10-30 | 2016-12-28 | 上海昊海生物科技股份有限公司 | A kind of preparation method of controllable patterned electricity spinning fibre congeries |
| WO2009127166A1 (en) * | 2008-04-18 | 2009-10-22 | 中国科学院上海硅酸盐研究所 | Electrospinning fiber tubular material and preparation method thereof |
| CN102084042B (en) * | 2008-04-18 | 2013-01-16 | 中国科学院上海硅酸盐研究所 | Electrospinning fiber tubular material and preparation method thereof |
| CN102517654A (en) * | 2011-12-31 | 2012-06-27 | 福建农林大学 | Cantilever type nanofiber electrospinning system |
| CN102517654B (en) * | 2011-12-31 | 2014-07-30 | 福建农林大学 | Cantilever type nanofiber electrospinning system |
| CN102953130A (en) * | 2012-11-27 | 2013-03-06 | 北京化工大学 | Electrostatic spinning device of trace material |
| CN103343393B (en) * | 2013-07-24 | 2016-01-20 | 苏州大学 | A kind of electrostatic spinning apparatus of three-dimensional manometer fibre assemblies and method |
| CN103343393A (en) * | 2013-07-24 | 2013-10-09 | 苏州大学 | Electrostatic spinning device and method for three-dimensional nanofiber assembly |
| CN105442067A (en) * | 2015-12-31 | 2016-03-30 | 天津工大瑞工光电技术研究院有限公司 | Electrostatic spinning device machine box with temperature and humidity automatically controlled |
| CN108437637A (en) * | 2018-02-28 | 2018-08-24 | 华中科技大学 | A kind of spiral fluid channel electrofluid nozzle |
| CN108437637B (en) * | 2018-02-28 | 2019-10-25 | 华中科技大学 | A kind of spiral fluid channel electrofluid spray head |
| CN110117822A (en) * | 2019-04-24 | 2019-08-13 | 英鸿纳米科技股份有限公司 | A kind of nanofiber special collector |
| CN110707317A (en) * | 2019-11-20 | 2020-01-17 | 泽晖新能源材料研究院(珠海)有限公司 | Silicon-carbon negative electrode material preparation device |
| CN110707317B (en) * | 2019-11-20 | 2022-03-25 | 长园泽晖新能源材料研究院(珠海)有限公司 | Silicon-carbon negative electrode material preparation device |
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Granted publication date: 20090204 Termination date: 20120821 |