CN205874599U - Little nanofiber's of large -scale preparation electrostatic spinning device - Google Patents

Abstract

The utility model discloses a little nanofiber's of large -scale preparation electrostatic spinning device, the fibre projecting pole is regarded as with the metal chain who straightenes to the electrostatic spinning device, it is anodal that metal chain connects the high voltage dc source, sets up the collector directly over the metal chain, high voltage dc source negative pole or ground connection are connected to the collector, are provided with upwards jet gas current's gas supply system under the metal chain, the last solution feed system who applys spinning forerunner liquid to metal chain that still is provided with of metal chain. The device easy operation can show the improvement electricity and spin fibre efficiency, obtains the more even electricity of diameter and spins the fibre, realizes little nanofiber's large -scale production.

Description

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale

Technical field

This utility model belongs to technical field of micro nano material preparation, is specifically related to one and prepares micro nanometer fiber on a large scale Electrostatic spinning apparatus.

Background technology

Electrostatic spinning technique is proposed in 1934 by Formhals the earliest, be generally acknowledge at present prepare 1-dimention nano undulation degree The representative art of material, its principle can sketch as under high voltage electrostatic field, and polymer solution or melt overcome surface tension Form electrified jet, jet drawn, cleave, refine, solvent volatilization or melt solidify to form micro nanometer fiber.Currently with electricity The kinds of fibers that spinning technique can be prepared is more than kind more than 200, including multiple natural biologic material, synthesising biological material and abiotic material Material；Prepare the multiple performances such as fiber has mechanical property by force, and porosity is high, good permeability, and specific surface area is big, and surface activity is strong excellent Gesture；Optimize electrostatic spinning apparatus and can also realize electrospinning fibre pattern, 26S Proteasome Structure and Function variation, such as porous fibre, nucleocapsid Fiber, pattern structure and multi-channel structure etc..The technical advantage of these uniquenesses makes electrospinning in textile garment, environment mistake There is huge application prospect in multiple fields such as filter, biomedicine, photoelectric device.So far, people are to electrospinning Do substantial amounts of theoretical research work it was confirmed the feasibility in theory that converts of electrospinning application, but its practical transition process Still face many problems: 1) tradition single needle electrospinning productivity relatively low (0.1-1g/h), it is limited that single syringe needle produces jet, difficult To meet the commercial application demand of electrospinning fibre；2) spinning syringe needle is susceptible to syringe needle clogging in electro-spinning process, molten Agent is quickly volatilized and is caused needle point solution cured, and syringe needle blocks, and spinning process cannot be smoothed out, and cleaning work makes whole frequently Individual electro-spinning process becomes complicated loaded down with trivial details, and for Multi needle electrospinning, cleaning needle head is the most unpractical；3) spininess There is stronger repulsive interaction between syringe needle jet in head electrospinning, fiber is subregion deposition, the nonwoven of formation on collector Cloth uneven thickness, directly affects fiber process properties of product.These problems become restriction needle-based electrospinning industrialization and send out The principal element of exhibition, but provide theory demands for the development of needleless electrospinning the most simultaneously.Needleless electrospinning is also referred to as liquid Wall jet technology, is to be formed countless on spinning liquid surface under the External Force Actings such as magnetic field, gas or charged metal line/dish/cylinder Jet trigger point, after applying high voltage electric field, jet forms the process of nanofiber from the injection of spinning liquid surface.Jirsak et al. with The rotation cylinder being partly soaked in spinning liquid is that fiber generator significantly improves electrospinning fibre productivity, and this technology all uses out Putting formula spinning liquid system, spinning precursor liquid large area exposes in atmosphere, solvent highly volatile in electro-spinning process, concentration of dope Instability causes electrospinning fibre thickness uneven, directly affects its fiber product performance.

Summary of the invention

It is not enough that the purpose of this utility model is to make up prior art, it is provided that a kind of prepares the quiet of micro nanometer fiber on a large scale Electric spinning device.This device does not use spinning syringe needle, it is to avoid the problem such as syringe needle blocking of single needle electrospinning and Multi needle electrospinning, Liquid level fluidics spinning liquid large area can be avoided simultaneously to expose the problems brought, obtain the more uniform electrospinning of diameter fine Dimension, this device is simple to operate, it is possible to significantly improve electrospinning fibre efficiency, it is achieved the large-scale production of micro nanometer fiber.

To achieve these goals, the technical scheme that this utility model provides is as follows:

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale, described electrostatic spinning apparatus is with the metallic bond stretched Bar is as fiber emitter stage, and described metal bracelet connects high-voltage DC power supply positive pole, metal bracelet be arranged above collector, Described collector connects high-voltage DC power supply negative pole or ground connection, is provided with the supply system of upwards jet-stream wind immediately below metal bracelet System, described metal bracelet is additionally provided with the liquid-supplying system applying spinning precursor liquid to metal bracelet.

This device in use, opens liquid-supplying system so that it is applies spinning precursor liquid on metal bracelet, is then turned on position Air supply system immediately below metal bracelet, constitutes the metal of metal bracelet under the effect of the air-flow upwards sprayed at air supply system Ring is formed a large amount of spinning liquid precursor liquid bubble, collectively forms spinning liquid jet trigger point with the sideline of metal bracelet, add Trigger point quantity；Open high-voltage DC power supply, apply high voltage electric field, chain sideline spinning forerunner at metal bracelet and collection interpolar Spinning precursor liquid bubble in liquid and becket produces substantial amounts of electrified jet simultaneously, and jet exists through splitting, refinement, solvent volatilization The a large amount of superfine fibre of formation of deposits on collector, can significantly improve electrospinning fibre efficiency.The air-flow upwards that air supply system provides The spinning precursor liquid dripped from metal bracelet by action of gravity can also be reduced, reduce waste liquid, improve raw material availability, with Time, airflow direction is identical with spinning jet direction, contributes to guiding fiber range of deposition, improves fiber collection efficiency.Use gold Belonging to chain replaces syringe needle to ask as fiber emitter stage, the syringe needle blocking etc. that can be prevented effectively from single needle electrospinning and Multi needle electrospinning Topic, uses liquid-supplying system to apply spinning precursor liquid to metal bracelet, the direct large area of spinning precursor liquid can be avoided to be exposed to air In, solvent volatilization in electro-spinning process, spinning Concentration of precursor solution is unstable, causes the problem that electrospinning fibre diameter is uneven, obtains The more uniform electrospinning fibre of diameter.This device is simple to operate, it is possible to significantly improve electrospinning fibre efficiency, it is achieved micro nanometer fiber Large-scale production.

Further, described metal bracelet uses multiple identical thin beckets to interlock formation.

Becket arranges along linear period, and Electric Field Distribution is conducive to fiber collecting interval uniform deposition than more uniform.

Further, described air supply system includes the air supply pipe being arranged at immediately below metal bracelet, and described air supply pipe is just Top is uniformly arranged multiple puff prot, described puff prot and air supply pipe internal gas passageways UNICOM, described gas passage one end seal Closing, the other end arranges air inlet, and described air inlet connects the end of airway, and the other end of airway connects gas and occurs Mechanism.

Further, described gas generator include air compressor and output channel thereof, air device for drying and filtering and Pressure regulator valve, described pressure regulator valve is electronic pressure regulating valve or manual pressure regulating valve.

Further, described liquid-supplying system includes reserving liquid tank, miniflow pump and the feed flow brush being sequentially connected with by tube for transfusion, The inlet opening that described feed flow brush is arranged by upper end connects tube for transfusion end, and described feed flow brush is provided with logical liquid bath, logical Liquid bath is arranged at below inlet opening and connects with inlet opening, and metal bracelet is through logical liquid bath, on the feed flow brush below logical liquid bath Being provided with through hole, the shape of described through hole is corresponding with air supply pipe, and air supply pipe passes through hole, and it is past that described feed flow brush connects straight line Multiple motion driving mechanism, described straight reciprocating motion drive mechanism drives feed flow brush to do straight reciprocating motion along air supply pipe.

Air supply pipe is disposed through the through hole on feed flow brush, and feed flow brush is in the effect of straight reciprocating motion drive mechanism Lower do straight reciprocating motion along air supply pipe, now lead to liquid bath on metal bracelet, also do straight reciprocating motion, be stored in reserving liquid tank In spinning precursor liquid entered in the logical liquid bath of feed flow brush under the driving of miniflow pump by inlet opening, and with this feed flow brush Motion be coated on metal bracelet, be positioned at the air supply pipe immediately below metal bracelet and serve feed flow brushhead motion in the process The effect of track, makes feed flow brush coat the motor process of spinning precursor liquid on metal bracelet more stable, spinning precursor liquid On metal bracelet, coating is more uniform, so that gained micro nanometer fiber is more uniform, most spinning precursor liquid stores up Exist in reserving liquid tank, by miniflow pump pump speed and straight reciprocating motion drive mechanism movement velocity being adjusted a small amount of painting repeatedly It is overlying on metal bracelet, it is to avoid spinning precursor liquid direct large area is exposed in air, solvent volatilization, spinning in electro-spinning process Concentration of precursor solution is unstable, causes the problem that electrospinning fibre diameter is uneven, meanwhile, for different spinning materials, Ke Yitong Overregulate miniflow pump and straight reciprocating motion drive mechanism adjusts the applied amount of spinning precursor liquid on metal bracelet, it is achieved spinning is joined Being adjusted flexibly of number.

Further, described air supply pipe be cross section be square rectangular tube, the cross section of through hole and air supply pipe cross section Identical.

The design limit of square air supply pipe and square through hole avoids the straight reciprocating motion on air supply pipe of feed flow brush During minor rotation, the motor process making feed flow brush is more stable.

Further, described straight reciprocating motion drive mechanism is line handspike motor, and described line handspike motor is close Air supply pipe end is installed, and the push rod of line handspike motor can be along air supply pipe axially reciprocating, and the end of push rod connects feed flow brush Head.

Further, described collection extremely winds collection system, including let off roll, collects band, two guide rollers, guide rollers Support and wind-up roll, the rotating shaft of described wind-up roll connects DC brushless motor and controls the electric machine controller of motor speed, described Let off roll, guide roller, wind-up roll rotor shaft direction all vertical with metal bracelet, described collection band is wrapped on let off roll, collect The end of band is connected with wind-up roll, and described guide roller is arranged at collection band supported underneath and collects band, and guide roller is arranged on scalable On the guide roller support of height, two guide rollers are respectively arranged at above metal bracelet end.

Can be by the vertical height of regulation guide roller bracket adjustment two guide roller, and then regulation is positioned in the middle of two guide rollers Collect the spinning distance between band and metal bracelet, it is achieved the flexible to spinning parameter.

Further, described metal bracelet horizontally set, the rotating shaft of let off roll, guide roller and wind-up roll is the most longitudinally disposed, Two guide rollers are positioned at same vertical height.

Use winding collection system, under let off roll, guide roller and wind-up roll act on jointly, transmit collector can realize electricity Spin the fiber continuous, uniform deposition on collector, collect fiber efficiency higher.

Further, the horizontal and vertical size of described air supply pipe is all higher than the metal bracelet being positioned at directly over it, supply The scope of puff prot is set on pipe more than metal bracelet projected area on air supply pipe.

The scope that arranges of puff prot is more than metal bracelet projected area in the horizontal plane (on air supply pipe), it can be ensured that gold Belong in the sphere of action of the air-flow that chain is completely in the injection of air supply pipe puff prot, preferably play air-flow and promote spinning liquid bubble Jet trigger point is formed, and improves fiber production, accelerates the volatilization of spinning liquid solvent, improves spinning pattern and performance, before reducing spinning Drive liquid drippage, improve the effect of raw material availability.

The beneficial effects of the utility model: it is not enough that this utility model compensate for prior art, it is provided that a kind of extensive system The electrostatic spinning apparatus of standby micro nanometer fiber, this device does not use spinning syringe needle, it is to avoid single needle electrospinning and Multi needle electrospinning The problem such as syringe needle blocking, liquid level fluidics spinning liquid large area can be avoided simultaneously to expose the problems brought, obtain straight The more uniform electrospinning fibre in footpath, this device is simple to operate, it is possible to significantly improve electrospinning fibre efficiency, it is achieved the rule of micro nanometer fiber Modelling produces.Specifically:

(1) this device is in use, opens liquid-supplying system so that it is applies spinning precursor liquid on metal bracelet, then opens Open the air supply system being positioned at immediately below metal bracelet, under the effect of the air-flow upwards sprayed at air supply system, constitute metal bracelet Becket is formed a large amount of spinning liquid precursor liquid bubble, collectively forms spinning liquid jet trigger point with the sideline of metal bracelet, increase Add trigger point quantity；Open high-voltage DC power supply, apply high voltage electric field, the spinning of chain sideline at metal bracelet and collection interpolar Spinning precursor liquid bubble in precursor liquid and becket produces substantial amounts of electrified jet simultaneously, and jet is through splitting, and refinement, solvent is waved Send out a large amount of superfine fibre of formation of deposits on collector, electrospinning fibre efficiency can be significantly improved.Air supply system provide upwards Air-flow can also reduce the spinning precursor liquid dripped from metal bracelet by action of gravity, reduces waste liquid, improves raw material availability, Meanwhile, airflow direction is identical with spinning jet direction, contributes to guiding fiber range of deposition, improves fiber collection efficiency.Use Metal bracelet replaces syringe needle to ask as fiber emitter stage, the syringe needle blocking etc. that can be prevented effectively from single needle electrospinning and Multi needle electrospinning Topic, metal bracelet uses multiple identical thin beckets to interlock is formationed, and becket is along linear period arrangement, and Electric Field Distribution ratio is more uniform Fiber is conducive to collect interval uniform deposition.Use liquid-supplying system to apply spinning precursor liquid to metal bracelet, can avoid spinning The silk direct large area of precursor liquid is exposed in air, solvent volatilization in electro-spinning process, and spinning Concentration of precursor solution is unstable, causes electricity Spin the problem that fibre diameter is uneven, obtain the more uniform electrospinning fibre of diameter.This device is simple to operate, it is possible to significantly improve electricity Spin fiber efficiency, it is achieved the large-scale production of micro nanometer fiber.

(2) air supply pipe is disposed through the through hole on feed flow brush, and feed flow brush is in straight reciprocating motion drive mechanism Do straight reciprocating motion along air supply pipe under effect, now lead to liquid bath on metal bracelet, also do straight reciprocating motion, be stored in storage Spinning precursor liquid in liquid case is entered by inlet opening in the logical liquid bath of feed flow brush under the driving of miniflow pump, and with this feed flow The motion of brush is coated on metal bracelet, is positioned at the air supply pipe immediately below metal bracelet and serves feed flow brush in the process The effect of tracks, makes feed flow brush coat the motor process of spinning precursor liquid on metal bracelet more stable, before spinning That drives that liquid coats on metal bracelet is more uniform, so that gained micro nanometer fiber is more uniform, in spinning process, and big portion Point spinning precursor liquid be stored in reserving liquid tank, by miniflow pump pump speed and straight reciprocating motion drive mechanism movement velocity Adjust a small amount of being coated on metal bracelet the most repeatedly, it is to avoid the direct large area of spinning precursor liquid is exposed in air, electrospinning mistake Solvent volatilization in journey, spinning Concentration of precursor solution is unstable, causes the problem that electrospinning fibre diameter is uneven, meanwhile, for difference The spinning precursor liquid of different viscosities made of spinning material, can be by regulation miniflow pump and straight reciprocating motion drive mechanism Adjust the applied amount of spinning precursor liquid on metal bracelet, it is achieved being adjusted flexibly of spinning parameter.Air supply pipe is set to rectangular tube, The design limit of square air supply pipe and square through hole avoids feed flow brush on air supply pipe during straight reciprocating motion Minor rotation, the motor process making feed flow brush is more stable.

(3) using winding collection system, transmitting collector under let off roll, guide roller and wind-up roll act on jointly can realize The electrospinning fibre continuous, uniform deposition on collector, collects fiber efficiency higher.Can be by regulation guide roller bracket adjustment two The vertical height of guide roller, and then regulate the spinning distance collected between band and metal bracelet being positioned in the middle of two guide rollers, it is achieved Flexible to spinning parameter.

(4) scope that arranges of the puff prot of this device is more than metal bracelet perspective plane in the horizontal plane (on air supply pipe) Long-pending, it can be ensured that in the sphere of action of the air-flow that metal bracelet is completely in the injection of air supply pipe puff prot, preferably to play air-flow Promote that spinning liquid bubble jet flow trigger point is formed, improve fiber production, accelerate the volatilization of spinning liquid solvent, improve spinning pattern and property Can, reduce spinning precursor liquid drippage, improve the effect of raw material availability.

Accompanying drawing explanation

Fig. 1 is the structural representation of electrostatic spinning apparatus of the present utility model；

Fig. 2 is feed flow brush of the present utility model and the structural representation of component thereof；

Fig. 3 is the structural representation of air supply pipe of the present utility model；

Fig. 4 is that chain electrodes realizes bubble electrospinning and is combined schematic diagram with needleless chain type electrospinning；

In figure: 1-metal bracelet, 2-air supply pipe, 21-gas passage, 22-puff prot, 23-air inlet, 3-gas fills Putting, 4-airway, 5-feed flow brush, 51-inlet opening, 52-leads to liquid bath, 53-through hole, 6-line handspike motor, 61-push rod, 7- Reserving liquid tank, 8-miniflow pump, 9-tube for transfusion, 10-high-voltage DC power supply, 11-unwrapping wire roller, 12-guide roller, 13-wind-up roll, 14-leads To roller support, 15-sideline spinning jet, 16-air bubble spinning jet.17-spinning precursor liquid bubble, 18-collects band.

Detailed description of the invention

According to following embodiment, this utility model be may be better understood.But, those skilled in the art easily manages Solving, concrete material proportion, process conditions and result thereof described by embodiment are merely to illustrate this utility model and should not Also without limitation on this utility model described in detail in claims.

Embodiment

As shown in Figures 1 to 4, a kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale, described electrostatic spinning apparatus High-voltage DC power supply 10 positive pole, metal bracelet 1 is connected as fiber emitter stage, described metal bracelet using the metal bracelet 1 stretched Be arranged above collector, described collector connects high-voltage DC power supply 10 negative pole or ground connection, arranges immediately below metal bracelet 1 There is the air supply system of upwards jet-stream wind, described metal bracelet 1 is additionally provided with the confession applying spinning precursor liquid to metal bracelet 1 Liquid system.

Specifically, described metal bracelet 1 uses multiple identical thin becket to interlock formation, and described air supply system includes setting Being placed in the air supply pipe 2 immediately below metal bracelet 1, the surface of described air supply pipe 2 is uniformly arranged multiple puff prot 22, described jet Mouthfuls 22 close with air supply pipe 22 internal gas passageways 22 UNICOM, described gas passage 22 one end, and the other end arranges air inlet 23, institute Stating air inlet 23 and connect the end of airway 4, the other end of airway 4 connects gas generator 3, and described gas occurs Mechanism 3 includes air compressor and output channel, air device for drying and filtering and pressure regulator valve, and described pressure regulator valve is electronic pressure regulating valve Or manual pressure regulating valve, described liquid-supplying system includes reserving liquid tank 7, miniflow pump 8 and the feed flow brush 5 being sequentially connected with by tube for transfusion 9, Described feed flow brush 5 connects tube for transfusion 9 end by the inlet opening 51 that upper end is arranged, and described feed flow brush 5 is provided with logical liquid Groove 52, logical liquid bath 52 is arranged at below inlet opening 51 and connects with inlet opening 51, and metal bracelet 1 is through logical liquid bath 52, logical liquid bath Being provided with through hole 53 on feed flow brush 5 below 52, the shape of described through hole 53 is corresponding with air supply pipe 2, and air supply pipe 53 passes Through hole 53, described feed flow brush 5 connects straight reciprocating motion drive mechanism, and described straight reciprocating motion drive mechanism drives feed flow Brush 5 does straight reciprocating motion along air supply pipe 2, and described air supply pipe 2 is square rectangular tube for cross section, the cross section of through hole 53 Identical with air supply pipe 2 cross section, described straight reciprocating motion drive mechanism is line handspike motor 6, described line handspike motor 6 Installing near air supply pipe 2 end, the push rod 61 of line handspike motor 6 can be along air supply pipe 1 axially reciprocating, the end of push rod 61 Connecting feed flow brush 5, described collection extremely winds collection system, including let off roll 11, collection 18, two guide rollers 12 of band, leads To roller support 14 and wind-up roll 13, the rotating shaft of described wind-up roll 13 connects DC brushless motor and controls the motor control of motor speed Device processed, described let off roll 11, guide roller 12, wind-up roll 13 rotor shaft direction all vertical with metal bracelet 1, described band of collecting 18 twines Being wound on let off roll 11, collect the end with 18 and be connected with wind-up roll 13, described guide roller 12 is arranged at below collection band 18 and props up Band 18 is collected in support, and guide roller 12 is arranged on height-adjustable guide roller support 14, and two guide rollers 14 are respectively arranged at gold Belonging to above chain 1 end, described metal bracelet 1 horizontally set, the rotating shaft of let off roll 11, guide roller 12 and wind-up roll 13 is the most longitudinal Arranging, two guide rollers 12 are positioned at same vertical height, and the horizontal and vertical size of described air supply pipe 2 is all higher than being positioned at it and just goes up The metal bracelet of side, air supply pipe 2 arranges the scope of puff prot 22 more than the metal bracelet 1 projected area on air supply pipe 2.

This device in use, is opened liquid-supplying system, is adjusted miniflow pump 8 pump speed and line handspike motor 6 movement velocity Opening liquid-supplying system, feed flow brush 5 does straight reciprocating motion along air supply pipe 2, now leads to liquid bath 52 and also does on metal bracelet 1 directly Line moves back and forth, and the spinning precursor liquid being stored in reserving liquid tank 7 enters feed flow brush by inlet opening 51 under the driving of miniflow pump 8 In the logical liquid bath 52 of 5, and it is coated on metal bracelet 1 with the motion of this feed flow brush 5, is then turned on gas generating unit 3, Adjusting gas flow rate, air-flow enters through airway 4 and is positioned in the gas passage 21 of the air supply pipe 2 immediately below metal bracelet 1, Spouting from puff prot 22, form air-flow upwards, under the effect of the air-flow upwards sprayed, constitute the metal of metal bracelet 1 Ring is formed spinning liquid precursor liquid bubble 17, collectively forms spinning liquid jet trigger point with the sideline of metal bracelet 1, add tactile Send out some quantity；Open high-voltage DC power supply, apply high voltage electric field, chain sideline spinning forerunner at metal bracelet 1 and collection interpolar Spinning precursor liquid bubble in liquid and becket produces substantial amounts of electrified jet simultaneously, and (sideline spinning jet 15 and air bubble spinning are penetrated Stream 16), jet, through splitting, refinement, solvent volatilization a large amount of superfine fibre of formation of deposits on collector, can significantly improve electrospinning fine Dimension efficiency.The air-flow upwards that air supply system provides can also reduce the spinning forerunner dripped from metal bracelet by action of gravity Liquid, reduces waste liquid, improves raw material availability, and meanwhile, airflow direction is identical with spinning jet direction, contributes to guiding fiber deposition Scope, improves fiber collection efficiency.Use metal bracelet 1 to replace syringe needle as fiber emitter stage, single needle electricity can be prevented effectively from Spin the problems such as syringe needle blocking with Multi needle electrospinning.In spinning process, most spinning precursor liquid is stored in reserving liquid tank 7 In, by miniflow pump 8 pump speed and the adjustment of line handspike motor 6 movement velocity, a small amount of the most repeatedly be coated on metal bracelet 1 On, it is to avoid spinning precursor liquid direct large area is exposed in air, and solvent volatilization in electro-spinning process, spinning Concentration of precursor solution is not Stable, cause the problem that electrospinning fibre diameter is uneven, meanwhile, for the spinning of the different viscosities that different spinning materials is made Precursor liquid, can adjust the applied amount of spinning precursor liquid on metal bracelet 1 by regulation miniflow pump 8 and line handspike motor 6, real Being adjusted flexibly of existing spinning parameter.

The above, explanation embodiment the most of the present utility model, not any formal to this utility model and essence On restriction, it is noted that for those skilled in the art, in the premise without departing from this utility model method Under, some improvement of making and supplement and also should be regarded as protection domain of the present utility model.All those skilled in the art, In the case of spirit and scope of the present utility model, utilize a little change that disclosed above technology contents makes, The equivalent variations modified and develop, is Equivalent embodiments of the present utility model；Meanwhile, all according to essence skill of the present utility model The change of any equivalent variations that above-described embodiment is done by art, modify and develop, all still fall within technical side of the present utility model The scope of case.It is prior art at the most detailed disclosure of this utility model.

Claims (10)

1. the electrostatic spinning apparatus preparing micro nanometer fiber on a large scale, it is characterised in that described electrostatic spinning apparatus is to stretch Straight metal bracelet (1) connects high-voltage DC power supply (10) positive pole, metal bracelet as fiber emitter stage, described metal bracelet (1) be arranged above collector, described collector connects high-voltage DC power supply (10) negative pole or ground connection, and metal bracelet (1) is just Lower section is provided with the air supply system of upwards jet-stream wind, described metal bracelet (1) is additionally provided with and applies to spin to metal bracelet (1) The liquid-supplying system of silk precursor liquid.

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale the most as claimed in claim 1, it is characterised in that described Metal bracelet (1) uses multiple identical thin becket to interlock formation.

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale the most as claimed in claim 1, it is characterised in that described Air supply system includes being arranged at the air supply pipe (2) immediately below metal bracelet (1), and the surface of described air supply pipe (2) is uniformly arranged Multiple puff prots (22), described puff prot (22) and air supply pipe (2) internal gas passageways (21) UNICOM, described gas passage (21) One end is closed, and the other end arranges air inlet (23), and described air inlet (23) connects the end of airway (4), airway (4) another One end connects gas generator (3).

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale the most as claimed in claim 3, it is characterised in that described Gas generator (3) includes air compressor and output channel, air device for drying and filtering and pressure regulator valve, and described pressure regulator valve is Electronic pressure regulating valve or manual pressure regulating valve.

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale the most as claimed in claim 3, it is characterised in that described Liquid-supplying system includes reserving liquid tank (7), miniflow pump (8) and feed flow brush (5), the described feed flow being sequentially connected with by tube for transfusion (9) The inlet opening (51) that brush (5) is arranged by upper end connects tube for transfusion (9) end, and described feed flow brush (5) is provided with logical liquid Groove (52), logical liquid bath (52) is arranged at inlet opening (51) lower section and connects with inlet opening (51), and metal bracelet (1) is through logical liquid bath (52), the feed flow brush (5) of logical liquid bath (52) lower section is provided with through hole (53), the shape of described through hole (53) and air supply pipe (2) corresponding, air supply pipe (2) passes through hole (53), and described feed flow brush (5) connects straight reciprocating motion drive mechanism, described Straight reciprocating motion drive mechanism drives feed flow brush (5) to do straight reciprocating motion along air supply pipe (2).

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale the most as claimed in claim 5, described air supply pipe (2) is Cross section is square rectangular tube, and the cross section of through hole (53) is identical with air supply pipe (2) cross section.

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale the most as claimed in claim 5, it is characterised in that described Straight reciprocating motion drive mechanism is line handspike motor (6), and described line handspike motor (6) is pacified near air supply pipe (2) end Dress, the push rod (61) of line handspike motor (6) can be along air supply pipe (2) axially reciprocating, and the end of push rod (61) connects feed flow Brush (5).

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale the most as claimed in claim 1, it is characterised in that described Collect and extremely wind collection system, including let off roll (11), collect band (18), two guide rollers (12), guide roller supports (14) With wind-up roll (13), the rotating shaft of described wind-up roll (13) connects DC brushless motor and controls the electric machine controller of motor speed, Described let off roll (11), guide roller (12), wind-up roll (13) rotor shaft direction all vertical with metal bracelet (1), described collect band (18) being wrapped on let off roll (11), the end collecting band (18) is connected with wind-up roll (13), and described guide roller (12) is arranged at Collecting band (18) supported underneath and collect band (18), guide roller (12) is arranged on height-adjustable guide roller support (14), and two Individual guide roller (12) is respectively arranged at above metal bracelet (1) end.

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale the most as claimed in claim 8, it is characterised in that described Metal bracelet (1) horizontally set, the rotating shaft of let off roll (11), guide roller (12) and wind-up roll (13) is the most longitudinally disposed, leads for two It is positioned at same vertical height to roller (12).

A kind of electrostatic spinning apparatus preparing micro nanometer fiber on a large scale the most as claimed in claim 1, it is characterised in that institute Stating the metal bracelet that the horizontal and vertical size of air supply pipe (2) is all higher than being positioned at directly over it, air supply pipe arranges puff prot on (2) (22) scope is more than the metal bracelet (1) projected area on air supply pipe (2).