CN203639618U - Multi-micropore electrostatic spinning spinneret - Google Patents

Multi-micropore electrostatic spinning spinneret Download PDF

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Publication number
CN203639618U
CN203639618U CN201320668758.3U CN201320668758U CN203639618U CN 203639618 U CN203639618 U CN 203639618U CN 201320668758 U CN201320668758 U CN 201320668758U CN 203639618 U CN203639618 U CN 203639618U
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CN
China
Prior art keywords
nozzle
fixture
electrostatic spinning
ring platform
micropore
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Expired - Fee Related
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CN201320668758.3U
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Chinese (zh)
Inventor
郑高峰
赵艳媛
王馨然
陈冬阳
庄明凤
刘海燕
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Xiamen University
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Xiamen University
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Priority to CN201320668758.3U priority Critical patent/CN203639618U/en
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Abstract

The utility model relates to a multi-micropore electrostatic spinning spinneret, which comprises a nozzle, a lower fixed part and an upper fixed part, wherein the nozzle is clamped between the upper and lower fixed parts; liquid flow passages are formed in the upper and lower fixed parts; a conduit joint is also arranged on the upper fixed part; a jet injection passage of the nozzle consists of a plurality of micropores with apertures of 10 to 60 microns. According to the electrostatic spinning spinneret, a plurality of jets can be simultaneously generated in the same plane, so that the number of jets generated in one spinneret is increased, and the production efficiency and yield of spinning are greatly improved; spun fibers produced by the nozzle have small diameters, and the electrostatic spinning jets are consistent in injection speed and direction and uniform in stress, so that the diameter and quality consistency of the fibers can be ensured, and the prepared spun fibers are higher in quality.

Description

A kind of many micropores electrostatic spinning nozzle
Technical field
The utility model relates to a kind of electrostatic spinning nozzle, particularly a kind of plane porous electrostatic spinning nozzle with many jets.
Background technology
Can prepare the nanofiber of abundant species by electrostatic spinning technique, comprise organic, organic/inorganic is compound and inorganic nano-fiber, has become one of important technical of whole world nano material manufacture in recent ten years research.Can obtain diameter by electrostatic spinning technique is the nanofibers of several nanometers to hundreds of nanometer, and the tunica fibrosa of manufacture that electrostatic spinning technique sprays is lightweight, good penetrability, porosity connectedness high, internal void are good, easily combine with nano level chemical substance or functional materials, become the important channel that functional nano fibrous material is manufactured.Along with the development of nanometer technology, electrostatic spinning, as a kind of New Processing of the simple and effective nanofiber produced, will be played a great role in fields such as bio-medical material, filtration and protection, catalysis, the energy, photoelectricity, food engineering, cosmetics.
Utilize electrostatic spinning technique, at present can obtain minimum diameter and reach the fiber of several nanometers.But existing technology is all in laboratory stage, and output is few, efficiency is low, therefore how to improve output and efficiency, reduce costs, obtain colory electrostatic spinning, realizing its industrialization becomes one of focus of current electrostatic spinning area research.
Traditional electrostatic spinning apparatus mainly by HV generator, micro-injection pump, be with syringe capillaceous and four parts of receiver to form.In recent years, electrostatic spinning apparatus is greatly developed, and current electrostatic spinning equipment is simple, easy to operate, but there is following shortcoming: the first, the capillary that has superfine little micropore is processing difficulties, cost is higher, and in spinning process, easily stop up, affect carrying out continuously of electrostatic spinning; The second, traditional electrostatic spinning apparatus efficiency is low, yields poorly, and is difficult to reach the object of high efficiency production.The 3rd, the electrostatic spinning equipment that can spray at present many jets is difficult to ensure each jet uniform quality.
Utility model content
In order to solve the problems of the technologies described above, the utility model discloses a kind of plate electrode shower nozzle with array micropore, spray with the fast and stable of realizing many jet flow static electricities spinning nanofiber, can realize the electrospun fibers of high efficiency, high yield, high-quality and produce, overcome interference and inhibitory action between traditional Multi-tip spinning nozzle jet.
In order to achieve the above object, the technical scheme that the utility model adopts is, a kind of many micropores electrostatic spinning nozzle, comprise nozzle, lower fixture and upper fixing element, described nozzle clamp is located between upper fixing element and lower fixture, and on this upper fixing element and lower fixture, be equipped with flow liquid passage, also offer catheter interface on fixed part, the micropore that the jet ejection passage of described nozzle is 10-60 μ m by a plurality of apertures forms.
Further, described nozzle is cap shape nozzle, and this cap shape nozzle has a circular protrusions portion and a shade portion, and this circular protrusions portion end face is a plane.Being designed to plane is the array distribution in order to facilitate micropore, also makes flow angle consistent simultaneously.
Further, described micropore is arranged in this plane in every square centimeter of 5-10 mode.With this Density Distribution micropore, can ensure that multiple jets can be ejected on gathering-device exactly, and can phase mutual interference.
Further, described lower fixture is a ring platform shape fixture, this ring platform shape fixture has an interior ring platform, fixed part is coaxial sleeve tubular fixture, this coaxial sleeve tubular fixture is coaxially formed by connecting by upper bush and lower sleeve, the external diameter of this upper bush is less than the external diameter of lower sleeve, and upper bush and the lower sleeve connecting portion of this coaxial sleeve tubular fixture are provided with catheter interface, and this coaxial sleeve tubular fixture lower sleeve outer surface is connected with ring platform shape fixture inner surface threaded engagement.Can dismantle easily in this way upper and lower fixture.
Further, the outward flange diameter of the shade portion of cap shape nozzle is slightly less than ring platform shape fixture internal diameter.
Further, the outward flange diameter of the shade portion of cap shape nozzle is 6-8cm, and the diameter of the circular protrusions portion of this cap shape nozzle is 3-5cm, is highly 0.5-1cm.
Further, between the interior ring platform of described ring platform shape fixture and the shade portion of cap shape nozzle, be provided with lower rubber washer, between the shade portion of described cap shape nozzle and coaxial sleeve tubular fixture lower sleeve, be provided with rubber washer.Adjust upper rubber ring and lower rubber ring by arranging, can ensure that nozzle clamps and ensure sealing.
The utility model is by adopting technique scheme, and compared with prior art, tool has the following advantages:
Many micropores electrostatic spinning nozzle of the present utility model, the major part of its nozzle is designed to the mesh that a plurality of micropores form, jet in shower nozzle can be divided into the flow of solution that multiply diameter is less and pass through micropore under the driving of certain flow rate, under the effect of high-voltage electrostatic field, flow of solution can form taylor cone at micropore place, drawn forms independently jet of multiply.This electrostatic spinning nozzle can produce multiple jets at same plane simultaneously, increase the jet quantity producing by a shower nozzle, production efficiency and the output of spinning are greatly improved, and the spinning fibre diameter of preparing with this shower nozzle is little, the jet velocity size and Orientation of electrostatic spinning jet is consistent, stressedly evenly can ensure the uniformity of fibre diameter and quality, prepare the spinning fibre of better quality.
Brief description of the drawings
Fig. 1 is the front view of a kind of many micropores electrostatic spinning nozzle of the utility model.
Fig. 2 is the side view of a kind of many micropores electrostatic spinning nozzle of the utility model.
Fig. 3 is the cutaway view (increase and be connected signal with high voltage source) of the D-D of Fig. 1.
Fig. 4 is the front view of the nozzle of a kind of many micropores electrostatic spinning nozzle of the utility model.
Fig. 5 is H portion enlarged drawing in Fig. 4.
Fig. 6 is the side view of the nozzle of a kind of many micropores electrostatic spinning nozzle of the utility model.
Fixture under [symbol description] 1-, rubber washer under 2-, 3-nozzle, the upper rubber washer of 4-, 5-upper fixing element, 6-high voltage source, 7-catheter interface, 8-electrode contact, 9-micropore.
Detailed description of the invention
Now with detailed description of the invention, the utility model is further illustrated by reference to the accompanying drawings.
As a specific embodiment, as shown in Figures 1 to 6, many micropores of one electrostatic spinning nozzle of the present utility model, comprise nozzle 3, lower fixture 1 and upper fixing element 5, described nozzle 3 is for adopting stamping technology to make cap shape nozzle 3, and this cap shape nozzle 3 has a circular protrusions portion 31 and a shade portion 32, and the outward flange diameter of the shade portion 32 of cap shape nozzle 3 is 6-8cm, the diameter of the circular protrusions portion 31 of this cap shape nozzle 3 is 3-5cm, is highly 0.1-3mm.And these nozzle 3 circular protrusions portion 31 end faces are a plane 311, the thickness of this plane 311 is 0.1-3mm, in this plane 311, be provided with the micropore 9 of a plurality of apertures as 10-60 μ m taking every square centimeter of 5-10 mode arranged distribution, described micropore 9 can be made of laser drilling, 10 μ m can be selected in best micropore 9 apertures, and this micropore 9 forms the jet ejection passage of described nozzle 3.It is the array distribution in order to facilitate micropore 9 that circular protrusions portion 31 end faces are designed to plane 311, also makes flow angle consistent simultaneously.Described micropore 9, with the individual Density Distribution of every square centimeter of 5-10, can ensure that multiple jets can be ejected on gathering-device exactly, and can phase mutual interference.
Described lower fixture 1 is a ring platform shape fixture 1, this ring platform shape fixture 1 has an interior ring platform 11, the outward flange diameter of the shade portion 32 of cap shape nozzle 3 is slightly less than ring platform shape fixture 1 internal diameter, fixed part 5 is coaxial sleeve tubular fixture 5, this coaxial sleeve tubular fixture 5 is coaxially formed by connecting by upper bush 51 and lower sleeve 52, and the external diameter of this upper bush 51 is less than the external diameter of lower sleeve 52.Upper bush 51 be provided with catheter interface 7 with lower sleeve 52 connecting portions, together with the inner chamber of described catheter interface 7 and ring platform shape fixture 1 and the inner chamber of coaxial sleeve tubular fixture 5, form flow liquid passage, these coaxial sleeve tubular fixture 5 lower sleeve 52 outer surfaces are connected with ring platform shape fixture 1 inner surface threaded engagement.Can dismantle easily in this way upper and lower fixture 1,5.Between the interior ring platform 11 of described ring platform shape fixture 1 and the shade portion 32 of cap shape nozzle 3, be provided with lower rubber washer 2, between the shade portion 32 of described cap shape nozzle 3 and coaxial sleeve tubular fixture 5 lower sleeves 52, be provided with rubber washer 4.Described ring platform shape fixture 1 is also connected with electrode contact 8, and this electrode contact 8 connects high voltage source 6 outputs and realizes power supply supply.
Described ring platform shape fixture 1 and coaxial sleeve tubular fixture 5 all adopt lathe, drilling machine, milling machine to make.
When assembling, first lower rubber washer 2 is placed on the interior ring platform 11 of this ring platform shape fixture 1, again the shade portion 32 of described cap shape nozzle 3 is placed on this lower rubber washer 2, again rubber washer on this 4 is placed in the shade portion 32 of cap shape nozzle 3, finally coaxial sleeve tubular fixture 5 lower sleeves 52 are inserted in ring platform shape fixture 1 and threaded engagement connection, nozzle 3 is clamped and ensure its sealing.
Before using, circular protrusions portion 31 planes 311 of this cap shape nozzle 3 are carried out to hydrophobization processing, stop solution in micropore 9 surface accumulation, liquid feed device is connected with upper fixing element 5 by catheter interface 7, solution is flowed down with constant speed, and circular protrusions portion 31 planes 311 of cap shape nozzle 3 and micropore 9 export just and accumulate without solution.
When use, under the effect of certain solution flow rate and high-voltage electrostatic field, plane porous electrostatic spinning nozzle of the present utility model can form multiple jets in nozzle 3 planes 311, can collect electrospun fibers placing a receiver apart from shower nozzle a distance.The shower nozzle of this many Jet models that carry out continuously can improve efficiency, the output of electrostatic spinning, and can, by changing the aperture of micropore 9 or the diameter of density change spinning, improve spinning fibre quality.This shower nozzle equipment is simple, easy to operate, can meet the demand of the nano fiber batch production of scale in reality.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.

Claims (7)

1. micropore electrostatic spinning nozzle more than a kind, it is characterized in that: comprise nozzle, lower fixture and upper fixing element, described nozzle clamp is located between upper fixing element and lower fixture, and be equipped with flow liquid passage on this upper fixing element and lower fixture, on fixed part, also offer catheter interface, the micropore that the jet ejection passage of described nozzle is 10-60 μ m by a plurality of apertures forms.
2. many micropores of one electrostatic spinning nozzle according to claim 1, is characterized in that: described nozzle is cap shape nozzle, and this cap shape nozzle has a circular protrusions portion and a shade portion, and this circular protrusions portion end face is a plane.
3. many micropores of one electrostatic spinning nozzle according to claim 2, is characterized in that: described micropore is arranged in this plane in every square centimeter of 5-10 mode.
4. according to many micropores of the one electrostatic spinning nozzle described in claim 2 or 3, it is characterized in that: described lower fixture is a ring platform shape fixture, this ring platform shape fixture has an interior ring platform, fixed part is coaxial sleeve tubular fixture, this coaxial sleeve tubular fixture is coaxially formed by connecting by upper bush and lower sleeve, the external diameter of this upper bush is less than the external diameter of lower sleeve, upper bush and the lower sleeve connecting portion of this coaxial sleeve tubular fixture are provided with catheter interface, and this coaxial sleeve tubular fixture lower sleeve outer surface is connected with ring platform shape fixture inner surface threaded engagement.
5. many micropores of one electrostatic spinning nozzle according to claim 4, is characterized in that: the outward flange diameter of the shade portion of cap shape nozzle is slightly less than ring platform shape fixture internal diameter.
6. many micropores of one electrostatic spinning nozzle according to claim 5, it is characterized in that: between the interior ring platform of described ring platform shape fixture and the shade portion of cap shape nozzle, be provided with lower rubber washer, between the shade portion of described cap shape nozzle and coaxial sleeve tubular fixture lower sleeve, be provided with rubber washer.
7. according to many micropores of the one electrostatic spinning nozzle described in claim 2 or 3 or 5 or 6, it is characterized in that: the outward flange diameter of the shade portion of cap shape nozzle is 6-8cm, the diameter of the circular protrusions portion of this cap shape nozzle is 3-5cm, is highly 0.5-1cm.
CN201320668758.3U 2013-10-29 2013-10-29 Multi-micropore electrostatic spinning spinneret Expired - Fee Related CN203639618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320668758.3U CN203639618U (en) 2013-10-29 2013-10-29 Multi-micropore electrostatic spinning spinneret

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320668758.3U CN203639618U (en) 2013-10-29 2013-10-29 Multi-micropore electrostatic spinning spinneret

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104909333A (en) * 2015-04-17 2015-09-16 广东工业大学 Micro-nano ripple structure making apparatus and method thereof
CN106435779A (en) * 2016-12-02 2017-02-22 苏州大学 Preparing device for nanometer fibers
CN106637437A (en) * 2016-12-06 2017-05-10 东南大学 Spray nozzle of nanofiber mass production device
CN110092699A (en) * 2018-01-30 2019-08-06 徐州市禾协肥业有限公司 A kind of high intensity fertiliser granulates

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104909333A (en) * 2015-04-17 2015-09-16 广东工业大学 Micro-nano ripple structure making apparatus and method thereof
CN106435779A (en) * 2016-12-02 2017-02-22 苏州大学 Preparing device for nanometer fibers
CN106637437A (en) * 2016-12-06 2017-05-10 东南大学 Spray nozzle of nanofiber mass production device
CN110092699A (en) * 2018-01-30 2019-08-06 徐州市禾协肥业有限公司 A kind of high intensity fertiliser granulates

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140611

Termination date: 20161029