CN105937056A - Bubble electrostatic spinning device and method capable of controlling air flow - Google Patents

Bubble electrostatic spinning device and method capable of controlling air flow Download PDF

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Publication number
CN105937056A
CN105937056A CN201610383168.4A CN201610383168A CN105937056A CN 105937056 A CN105937056 A CN 105937056A CN 201610383168 A CN201610383168 A CN 201610383168A CN 105937056 A CN105937056 A CN 105937056A
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CN
China
Prior art keywords
electromagnetic valve
injection pump
bubble
precise injection
electrostatic spinning
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Granted
Application number
CN201610383168.4A
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Chinese (zh)
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CN105937056B (en
Inventor
梁烽
朱自明
房飞宇
王晗
陈新度
陈新
曾俊
欧维均
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Guangdong University of Technology
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Guangdong University of Technology
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Priority to CN201610383168.4A priority Critical patent/CN105937056B/en
Publication of CN105937056A publication Critical patent/CN105937056A/en
Application granted granted Critical
Publication of CN105937056B publication Critical patent/CN105937056B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/0007Electro-spinning
    • D01D5/0061Electro-spinning characterised by the electro-spinning apparatus

Abstract

The invention discloses a bubble electrostatic spinning device and method capable of controlling the air flow. The bubble electrostatic spinning device comprises a liquid storage tank, a high-voltage electrostatic generator, an air injection device and a receiving pole plate. The air injection device comprises an injector, a precise injection pump, a solenoid valve and a programmable controller, wherein a lead screw nut in the precise injection pump is connected with a piston of the injector, the solenoid valve is arranged on an injection nozzle of the injector and stretches to the bottom of the liquid storage tank, and the programmable controller is connected with the solenoid valve and the precise injection pump and used for controlling on-off of the solenoid valve and the single-time working stroke of the lead screw nut in the precise injection pump. According to the bubble electrostatic spinning device, the form of bubbles is controlled by controlling the air flow, and thus the quality of nanometer spinning is improved.

Description

The bubble electrostatic spinning apparatus of a kind of controlled tolerance and method
Technical field
The present invention relates to a kind of bubble electrostatic spinning apparatus and method, particularly relate to the bubble of a kind of controlled tolerance Electrostatic spinning apparatus and method.
Background technology
Electrostatic spinning technique is the method using most common production nanofiber in the world at present.Electrostatic spinning Technology has advantage easy and simple to handle, applied widely, that production efficiency is of a relatively high, the Nanowire spun out Dimension has fiber finer, and specific surface area is big, and porosity high, therefore electrostatic spinning technique obtains widely Application.
Nanofiber has the specific surface area of superelevation, very big draw ratio, high surface, superior mechanicalness The features such as energy (high-strength and high ductility), all have in different field such as Textile Engineering, environmental project, biotechnologies The most wide application prospect.
Bubble electrostatic spinning is a kind of novel electrostatic spinning process, the method need not tradition spinning head spinning, and Being to be passed through gas in polymer solution (melt), blow out a large amount of bubble, bubble is equivalent to countless at free surface Individual taylor cone, this is equivalent to the electrostatic spinning of Multi needle, such that it is able to improve spinning speed, bubble electrostatic Spin the batch production that can realize nanofiber to a certain extent.
But, there is the problem that jet is unstable in bubble electrostatic spinning, causes spinning condition to be not easily controlled, Wastage of material, spinning environment such as is got dirty at the problem, limits its application in industrialized production.
The form of bubble has the most great impact to the quality of jet and nanometer spinning, and the diameter of bubble is excessive Too small, or deformity etc. situation, spinning process all can be made unstable thus the quality of nanometer spinning can phase Should decline on ground.Research shows, except the factor such as fluid viscosity, surface tension, the form of bubble is mainly bullied Tolerance in bubble is affected.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the bubble Static Spinning of a kind of controlled tolerance Silk device, this bubble electrostatic spinning apparatus controls the form of bubble, improves nanometer spinning by controlling tolerance Quality.
A kind of bubble electrostatic spinning apparatus applying above-mentioned controlled tolerance of offer is provided The bubble electrospinning process of the controlled tolerance realized.
The purpose of the present invention is realized by following technical scheme:
The bubble electrostatic spinning apparatus of a kind of controlled tolerance, including liquid storage tank, HV generator, jet Device and reception pole plate, described air jet system includes syringe, precise injection pump, electromagnetic valve and can compile Range controller, wherein, the feed screw nut in described precise injection pump is connected with the piston of syringe;Described electricity Magnet valve is arranged on the puff prot of syringe, and this electromagnetic valve extend into the bottom in liquid storage tank;Described able to programme Controller is connected with electromagnetic valve and precise injection pump respectively, is respectively used to control break-make and the control of electromagnetic valve The impulse stroke of feed screw nut's single operation in precise injection pump.
The operation principle of the bubble electrostatic spinning apparatus of above-mentioned controlled tolerance is: before carrying out bubble electrostatic spinning, Equipped with high polymeric solution in described liquid storage tank, insufflation gas (such as air) in syringe;During work, Controlled by Programmable Controller electromagnetic valve and precise injection pump cooperate and carry out service intermittent, specifically, and can Programmable controller controls electromagnetic valve and opens, and controls the piston ejection of precise injection pump pushing syringe quantitatively simultaneously Gas, controls closed electromagnetic valve subsequently and control precise injection pump quits work, and completes a jet operation; After separated in time, Programmable Logic Controller controls electromagnetic valve again and precise injection pump carries out jet next time Operation, carries out batch (-type) jet operation the most regularly.Every time the jet amount of jet operation number pass through Control the impulse stroke of feed screw nut's single operation in precise injection pump to realize, particular by controlling precision In syringe pump, number of pulses during motor single operation realizes, and concrete controlled quentity controlled variable is by being set in advance in Program in Programmable Logic Controller determines, this controlled quentity controlled variable can be repaiied accordingly according to different technological requirements Change.In jet operation process each time, electromagnetic valve it is consistent that the equity of gas sprayed can form volume Bubble, after this bubble rises at liquid level, under the electrostatic interaction that HV generator produces, to reception Pole plate jet spinning.
One preferred version of the present invention, described HV generator is connected with electromagnetic valve by wire.Its Advantage is, utilizes electromagnetic valve as electric conductor, provides height for the high polymeric solution in liquid storage tank and bubble Pressure electrostatic.
The bubble electrostatic of the controlled tolerance that a kind of bubble electrostatic spinning apparatus applying above-mentioned controlled tolerance realizes Spinning process, comprises the following steps:
(1) before carrying out bubble electrostatic spinning, equipped with high polymeric solution in described liquid storage tank, in syringe Insufflation gas;
(2), during work, Controlled by Programmable Controller electromagnetic valve and precise injection pump cooperate and carry out interval Formula works, specifically:
(2.1) Controlled by Programmable Controller electromagnetic valve is opened, and controls precise injection pump pushing syringe simultaneously Piston ejection quantitative gas, controls closed electromagnetic valve subsequently and control precise injection pump quits work, and completes one Secondary jet operation;
(2.2), after separated in time, Programmable Logic Controller controls electromagnetic valve again and precise injection pump is carried out Jet operation next time, carries out batch (-type) jet operation the most regularly;The equivalent gas of ejection at electromagnetic valve Know from experience and form the bubble that volume is consistent, after this bubble rises at liquid level, produce at HV generator Under electrostatic interaction, to receiving pole plate jet spinning.
The present invention compared with prior art has a following beneficial effect:
In the bubble electrostatic spinning apparatus of the present invention, owing to tolerance during each jet operation is equal, the most often The form of the bubble of secondary formation is consistent, and bubble batch (-type) and producing regularly, thus improves nano-spun Silk quality and guarantee stablizing of quality.
Accompanying drawing explanation
Fig. 1 is the structure of a detailed description of the invention of the bubble electrostatic spinning apparatus of the controlled tolerance of the present invention Schematic diagram.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but the embodiment party of the present invention Formula is not limited to this.
Seeing Fig. 1, the bubble electrostatic spinning apparatus of the controlled tolerance of the present invention is by liquid storage tank 3, high-pressure electrostatic Generator 11, air jet system and reception pole plate 8 are constituted.Wherein, described air jet system include syringe 12, Precise injection pump 1, electromagnetic valve 6 and Programmable Logic Controller 10, wherein, described precise injection pump 1 is main It is made up of motor and driver, support, screw mandrel, feed screw nut etc., described step motor drive silk Bar rotates, thus drives feed screw nut to make straight reciprocating motion, and this feed screw nut constitutes output.Described note Emitter 12 has the cavity 5 for accommodating gas, is provided with piston 4 in cavity 5, and the front end of syringe 12 sets Puff prot, the feed screw nut in precise injection pump 1 is had to be connected with the piston 4 of syringe 12.Described electromagnetic valve On 6 puff prots being arranged at syringe 12, this electromagnetic valve 6 extend into the bottom in liquid storage tank 3.Described can Programmable controller 10 is connected with electromagnetic valve 6 and precise injection pump 1 respectively, is respectively used to control electromagnetic valve 6 The impulse stroke of feed screw nut's single operation in break-make and control precise injection pump 1.
Seeing Fig. 1, described HV generator 11 is connected with electromagnetic valve 6 by wire.Utilize electromagnetic valve 6, as electric conductor, provide high-pressure electrostatic for the high polymeric solution 2 in liquid storage tank 3 and bubble 9.
The operation principle of the bubble electrostatic spinning apparatus of the controlled tolerance of the present invention is: carry out bubble electrostatic spinning Before, equipped with high polymeric solution 2 in described liquid storage tank 3, in the inner chamber of syringe 12, insufflation gas is (such as Air);During work, Programmable Logic Controller 10 controls electromagnetic valve 6 and precise injection pump 1 cooperates and carries out Service intermittent, specifically, Programmable Logic Controller 10 controls electromagnetic valve 6 and opens, and controls precise injection simultaneously The piston 4 of pump 1 pushing syringe 12 sprays quantitative gas, controls electromagnetic valve 6 subsequently and closes and control precision Syringe pump 1 quits work, and completes a jet operation;After separated in time, Programmable Logic Controller 10 is again Secondary control electromagnetic valve 6 and precise injection pump 1 carry out jet operation next time, carry out interval the most regularly Formula jet operation.Every time the jet amount of jet operation number by controlling feed screw nut in precise injection pump 1 The impulse stroke of single operation realizes, and makees particular by controlling motor single in precise injection pump 1 Number of pulses during industry realizes, and concrete controlled quentity controlled variable is by the program being set in advance in Programmable Logic Controller 10 Determining, this controlled quentity controlled variable can be modified accordingly according to different technological requirements.In jet operation each time During, the equity of gas of electromagnetic valve 6 ejection can form the consistent bubble of volume 9, this bubble 9 rises After at liquid level, under the electrostatic interaction that HV generator 11 produces, to receiving pole plate 8 jet spinning 7。
See Fig. 1, the controlled gas that the bubble electrostatic spinning apparatus applying above-mentioned controlled tolerance of the present invention realizes The bubble electrospinning process of amount, comprises the following steps:
(1) before carrying out bubble electrostatic spinning, equipped with high polymeric solution 2 in described liquid storage tank 3, toward syringe 12 inner insufflation gas;
(2) during work, Programmable Logic Controller 10 controls electromagnetic valve 6 and precise injection pump 1 cooperates into Row service intermittent, specifically:
(2.1) Programmable Logic Controller 10 controls electromagnetic valve 6 and opens, and controls precise injection pump 1 simultaneously and promotes The piston 4 of syringe 12 sprays quantitative gas, controls electromagnetic valve 6 subsequently and closes and control precise injection pump 1 Quit work, complete a jet operation;
(2.2), after separated in time, Programmable Logic Controller 10 controls electromagnetic valve 6 and precise injection again Pump 1 carries out jet operation next time, carries out batch (-type) jet operation the most regularly;Spray at electromagnetic valve 6 The equity of gas gone out can form the consistent bubble of volume 9, after this bubble 9 rises at liquid level, at high-pressure electrostatic Under the electrostatic interaction that generator 11 produces, to receiving pole plate 8 jet spinning 7.
Above-mentioned for the present invention preferably embodiment, but embodiments of the present invention are not limited by foregoing System, the change made under other any spirit without departing from the present invention and principle, modify, substitute, Combination, simplification, all should be the substitute mode of equivalence, within being included in protection scope of the present invention.

Claims (3)

1. a bubble electrostatic spinning apparatus for controlled tolerance, including liquid storage tank, HV generator, Air jet system and receive pole plate, it is characterised in that described air jet system include syringe, precise injection pump, Electromagnetic valve and Programmable Logic Controller, wherein, the feed screw nut in described precise injection pump and the work of syringe Plug connects;Described electromagnetic valve is arranged on the puff prot of syringe, and this electromagnetic valve extend into the end in liquid storage tank Portion;Described Programmable Logic Controller is connected with electromagnetic valve and precise injection pump respectively, is respectively used to control electromagnetic valve Break-make and control the impulse stroke of feed screw nut's single operation in precise injection pump.
The bubble electrostatic spinning apparatus of controlled tolerance the most according to claim 1, it is characterised in that Described HV generator is connected with electromagnetic valve by wire.
3. the bubble electrostatic spinning apparatus of the controlled tolerance applied described in claim 1 or 2 realizes The bubble electrospinning process of controlled tolerance, it is characterised in that comprise the following steps:
(1) before carrying out bubble electrostatic spinning, equipped with high polymeric solution in described liquid storage tank, in syringe Insufflation gas;
(2), during work, Controlled by Programmable Controller electromagnetic valve and precise injection pump cooperate and carry out interval Formula works, specifically:
(2.1) Controlled by Programmable Controller electromagnetic valve is opened, and controls precise injection pump pushing syringe simultaneously Piston ejection quantitative gas, controls closed electromagnetic valve subsequently and control precise injection pump quits work, and completes one Secondary jet operation;
(2.2), after separated in time, Programmable Logic Controller controls electromagnetic valve again and precise injection pump is carried out Jet operation next time, carries out batch (-type) jet operation the most regularly;The equivalent gas of ejection at electromagnetic valve Know from experience and form the bubble that volume is consistent, after this bubble rises at liquid level, produce at HV generator Under electrostatic interaction, to receiving pole plate jet spinning.
CN201610383168.4A 2016-05-31 2016-05-31 A kind of the bubble electrostatic spinning apparatus and method of controllable tolerance Expired - Fee Related CN105937056B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106868610A (en) * 2017-04-14 2017-06-20 广东工业大学 A kind of induced with laser vacuole electrostatic spinning apparatus
CN107460642A (en) * 2017-09-19 2017-12-12 巢湖学院 A kind of fibrofelt preparation facilities and preparation method thereof
CN109853055A (en) * 2019-04-02 2019-06-07 盐城工业职业技术学院 A kind of liquid storage tank automatically adjusting spinning solution liquid storing heights
CN113512633A (en) * 2021-08-04 2021-10-19 长春电子科技学院 Intelligent water circulating device for heat treatment

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CN101275299A (en) * 2008-05-15 2008-10-01 东华大学 Thermal bubble spinning method and device for nano-fiber production
CN101634050A (en) * 2009-08-20 2010-01-27 东华大学 Air-injection electrostatic spinning device for preparing nano fiber portably
CN101775706A (en) * 2010-03-03 2010-07-14 天津工业大学 Production method of micro nanometer fiber non-woven fabric and device
CN102501598A (en) * 2011-10-24 2012-06-20 厦门大学 Near-field electrostatic jet-printing head
CN102586902A (en) * 2012-01-12 2012-07-18 广州迈普再生医学科技有限公司 Negative pressure electrostatic spinning method and device
CN102660783A (en) * 2012-05-30 2012-09-12 苏州大学 Porous bubble electrostatic spinning device
CN203782281U (en) * 2014-03-06 2014-08-20 广东工业大学 Electrospinningjet flow quick-stabilization control device for micro-nano processing

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Publication number Priority date Publication date Assignee Title
CN101275299A (en) * 2008-05-15 2008-10-01 东华大学 Thermal bubble spinning method and device for nano-fiber production
CN101634050A (en) * 2009-08-20 2010-01-27 东华大学 Air-injection electrostatic spinning device for preparing nano fiber portably
CN101775706A (en) * 2010-03-03 2010-07-14 天津工业大学 Production method of micro nanometer fiber non-woven fabric and device
CN102501598A (en) * 2011-10-24 2012-06-20 厦门大学 Near-field electrostatic jet-printing head
CN102586902A (en) * 2012-01-12 2012-07-18 广州迈普再生医学科技有限公司 Negative pressure electrostatic spinning method and device
CN102660783A (en) * 2012-05-30 2012-09-12 苏州大学 Porous bubble electrostatic spinning device
CN203782281U (en) * 2014-03-06 2014-08-20 广东工业大学 Electrospinningjet flow quick-stabilization control device for micro-nano processing

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106868610A (en) * 2017-04-14 2017-06-20 广东工业大学 A kind of induced with laser vacuole electrostatic spinning apparatus
CN106868610B (en) * 2017-04-14 2019-05-14 广东工业大学 A kind of induced with laser vacuole electrostatic spinning apparatus
CN107460642A (en) * 2017-09-19 2017-12-12 巢湖学院 A kind of fibrofelt preparation facilities and preparation method thereof
CN107460642B (en) * 2017-09-19 2020-02-07 巢湖学院 Fiber felt preparation device and preparation method thereof
CN109853055A (en) * 2019-04-02 2019-06-07 盐城工业职业技术学院 A kind of liquid storage tank automatically adjusting spinning solution liquid storing heights
CN113512633A (en) * 2021-08-04 2021-10-19 长春电子科技学院 Intelligent water circulating device for heat treatment
CN113512633B (en) * 2021-08-04 2022-09-06 长春电子科技学院 Intelligent water circulating device for heat treatment

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