CN206570443U - Spinneret and thread spraying structure - Google Patents
Spinneret and thread spraying structure Download PDFInfo
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- CN206570443U CN206570443U CN201720098805.3U CN201720098805U CN206570443U CN 206570443 U CN206570443 U CN 206570443U CN 201720098805 U CN201720098805 U CN 201720098805U CN 206570443 U CN206570443 U CN 206570443U
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- spinneret
- liquid
- gas
- liquid chamber
- gas cavity
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Abstract
The utility model is related to field of textile equipment, disclose a kind of spinneret and thread spraying structure, for electrospinning device, spinneret includes body, two layers of cavity is formed with body from top to bottom, respectively gas cavity and liquid chamber, gas cavity are provided with gas access, and liquid chamber is provided with liquid inlet；Gas cavity is connected with liquid chamber by half-duplex channel, and liquid chamber is connected with being arranged at the spinneret orifice of body bottom portion；Spinneret liquid enters liquid chamber from liquid inlet, and gas enters gas cavity from gas access, by half-duplex channel and enters liquid chamber, promotes spinneret liquid to be sprayed from spinneret orifice.Employing the thread spraying structure of this kind of spinneret has with low cost, the advantage of convenient dismounting.
Description
Technical field
The present invention relates to field of textile equipment, more particularly to a kind of spinneret and thread spraying structure.
Background technology
Electrostatic spinning is a kind of special shape of polymeric fluid electrostatic atomization, and its principle is：In electrostatic generator
In the presence of, high-voltage electrostatic field is formed between electrospinning liquid spinning appts and electrospinning fibre reception device, polymer solution is in nozzle
Place forms drop and is electrically charged, and charged drop is accelerated in the Taylor vertex of a cones under electric field force effect, when electric field force is sufficiently large,
Charged drop overcomes surface tension formation electrified jet, and electrified jet is in electrostatic spinning space motion, along with waving for solvent
Hair, bending and stretching, are finally collected by reception device, form the Electrospun Nanofibrous Materials: An of random alignment.
Most of polymer and its copolymer, block copolymer, derivative etc. can be prepared into nanoscale by electrostatic spinning
Or micron order fiber, this kind of fiber have specific surface area high, the excellent performance such as diameter is small.Oriented nanofibers have excellent
Optics, electric property.In addition, nano-fibre yams improve the mechanical property of bundles of nanofibers, and machine can be passed to
Knit, be knitted etc. and carrying out secondary operation.
Because Electrospun Nanofibrous Materials: An has the characteristics such as high-specific surface area, high porosity, high-permeability, cause in recent years
Extensive concern, and shown more in terms of clothes, biological medicine, solar sail, military project (ballistic resistant products) and optical sensor
Carry out more extensive and important application.
Application No. CN200910031948.2 Chinese invention patent application discloses a kind of array multi-nozzle spinneret.
Wherein, electrospinning liquid spinning appts include jet pipe and shower nozzle, jet pipe and electrospinning liquid liquid feed device outlet, and shower nozzle is arranged at jet pipe
Connect above and with jet pipe, shower nozzle is arranged in array.
In the device, electrospinning liquid is sprayed from jet pipe by shower nozzle.Because the pressure dependence of ejection is in electrospinning liquid feed flow
Hydraulic pressure produced by device, to reach the stress level required by spinneret, the requirement to hydraulic pump is very high, therefore cost is very
It is high.
The content of the invention
It is an object of the invention to provide a kind of spinneret and thread spraying structure, the thread spraying structure tool of this kind of spinneret is employed
Have with low cost, the advantage of convenient dismounting.
In order to solve the above-mentioned technical problem, the invention provides a kind of spinneret, for electrospinning device, including this
Two layers of cavity, respectively gas cavity and liquid chamber are formed with body, body from top to bottom, gas cavity is provided with gas and entered
Mouthful, liquid chamber is provided with liquid inlet；
Gas cavity is connected with liquid chamber by half-duplex channel, liquid chamber and the spinneret orifice for being arranged at body bottom portion
It is connected；
Spinneret liquid enters liquid chamber from liquid inlet, and gas enters gas cavity from gas access, by half-duplex channel
And enter liquid chamber, promote spinneret liquid to be sprayed from spinneret orifice.
In terms of existing technologies, the present invention is provided with two layers of cavity in spinneret, passes through what is produced by gas
Pressure promotes spinneret liquid so that spinneret liquid can spray from spinneret orifice at high speed, reduce the requirement to hydraulic pump.And
And, because in the present invention, liquid chamber and gas cavity all concentrated settings are in spinneret so that spinneret is able to integration
And modularization, mount and dismount and all more facilitate.
Preferably, being disposed with least two check valves in half-duplex channel.Two layers of unidirectional valve is set effectively to prevent
Only spinneret liquid pours in down a chimney into gas cavity.
Preferably, being provided with baroceptor in gas cavity, hydrostatic sensor is provided with liquid chamber.Gas is set
Pressure sensor and hydrostatic sensor, the Fluid pressure in gas cavity and liquid chamber can be monitored in real time, it is ensured that the mistake of production
The orderly progress of journey.
Further, preferably, being provided with electronic valve in half-duplex channel, electronic valve and baroceptor and hydraulic pressure
Sensor is communicated to connect；
Electronic valve is opened when detecting gas pressure intensity more than liquid pressure, is detecting liquid pressure more than gas pressure
Closed when strong.By automatically controlling for electronic valve, it is ensured that half-duplex channel is only in when gas pressure intensity is more than liquid pressure
Channel status, can more effectively prevent spinneret liquid from pouring in down a chimney into gas cavity.
Further, preferably, being provided with the first check valve in half-duplex channel, electronic valve is located at the first check valve
Between gas cavity., can be to prevent using the first check valve because when valve is not yet opened, liquid pressure is comparatively steady
Only liquid rises to valve location, that is to say, that constitute what spinneret liquid poured in down a chimney from the first check valve to the space between valve
Buffer zone.When gas pressure intensity meets condition, valve, which is opened, to promote check valve to open behind the buffered area of gas, therefore
The purpose for preventing from pouring in down a chimney more effectively is reached.
Yet further, preferably, being additionally provided with the second check valve in half-duplex channel, the second check valve is located at electronic valve
Between door and gas cavity.When being provided with the second check valve, gas cavity and liquid chamber can be further separated, is improved
The stability of a system.
In addition, preferably, spinneret also includes being arranged at below body, and the mould board being detachably connected with body,
The moulding hole connected one to one with spinneret orifice is provided with mould board.Due to being detachably connected between mould board and body, because
This can change mould board as needed.To different mould boards, the design in its moulding hole can be with different, therefore, it is possible to more
Meet use demand well.
Further, preferably, mould board is spirally connected with body, and it is close by rubber ring between moulding hole and spinneret orifice
Envelope.Using being spirally connected, there will be enough stress between mould board and body, under this stress, the sealing property of rubber ring
Can be more preferable, the leakage of spinneret liquid can be better protected from.
Present invention also offers a kind of thread spraying structure, for electrospinning device, including for storing the spinneret of spinneret liquid
Case and foregoing spinneret, spinneret are detachably connected on spinneret case.
In terms of existing technologies, thread spraying structure provided by the present invention, spinneret can modularly be connected to spray
On silk case, therefore the replacing of spinneret more facilitates.Further, preferably, the bottom of spinneret case is provided with multiple slots,
Spinneret is also to be multiple, and spinneret is inserted and in slot correspondingly.Spray for being provided with multiple spinnerets
For silk slot, by multiple spinnerets while spinneret, because the surface area of spinneret is smaller, is only setting single half-duplex channel
On the premise of can ensure that the spinneret of spinneret orifice is uniform enough, improve spinneret effect.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of first embodiment of the invention spinneret；
Fig. 2 is the diagrammatic cross-section of second embodiment of the invention spinneret；
Fig. 3 is the diagrammatic cross-section of third embodiment of the invention spinneret；
Fig. 4 is the diagrammatic cross-section of four embodiment of the invention half-duplex channel；
Fig. 5 is the diagrammatic cross-section of fifth embodiment of the invention half-duplex channel；
Fig. 6 is the diagrammatic cross-section of sixth embodiment of the invention spinneret；
Fig. 7 is the schematic diagram of eighth embodiment of the invention electrospinning device.
Description of reference numerals：
1- gas cavities；1a- gas accesses；2- liquid chambers；2a- liquid inlets；2b- spinneret orifices；3- half-duplex channels；4-
Baroceptor；5- hydrostatic sensors；6- electronic valves；The check valves of 7- first；The check valves of 8- second；9- mould boards；9a- moulding
Hole；10- spinneret casees；10a- slots.
Embodiment
Embodiment one
The first embodiment of the present invention provides a kind of spinneret, shown in Figure 1 for electrospinning device, bag
Include and be formed with two layers of cavity in body, body from top to bottom, respectively gas cavity 1 and liquid chamber 2, gas cavity 1 is set
There is gas access 1a, liquid chamber 2 is provided with liquid inlet 2a；
Gas cavity 1 is connected with liquid chamber 2 by half-duplex channel 3, liquid chamber 2 and the spray for being arranged at body bottom portion
Silk hole 2b is connected；
Spinneret liquid enters liquid chamber 2 from liquid inlet 2a, and gas enters gas cavity 1 from gas access 1a, by list
To passage 3 and into liquid chamber 2, spinneret liquid is promoted to be sprayed from spinneret orifice 2b.
Wherein, half-duplex channel 3 can be constituted by setting check valve, can also be by controlling gas cavity 1 and liquid
Pressure in cavity 2 is constituted, moreover, pour in down a chimney to be better protected from spinneret liquid into gas cavity 1, in the present embodiment,
At least two check valves can be provided with half-duplex channel 3.
In addition it is noted that in the present embodiment, multiple air chambers can be set in the body of a spinneret
Body 1 and liquid chamber 2, and connected by multiple half-duplex channels 3, multiple half-duplex channels 3 can ensure the uniformity of spinneret liquid.And
And, generally advise it is mutually isolated between the gas cavity 1 and liquid chamber 2 that different half-duplex channels 3 are connected, it is unidirectional to prevent
Occur causing spinneret liquid to pour in down a chimney after pressure differential between passage 3.
In terms of existing technologies, the present invention is provided with two layers of cavity in spinneret, passes through what is produced by gas
Pressure promotes spinneret liquid so that spinneret liquid can spray from spinneret orifice 2b at high speed, reduce the requirement to hydraulic pump.And
And, because in the present invention, liquid chamber 2 and all concentrated settings of gas cavity 1 are in spinneret so that spinneret is able to one
Change and modularization, installation and removal all more facilitate.
Embodiment two
Second embodiment of the present invention provides a kind of spinneret, and second embodiment is that first embodiment enters one
Step is improved, and is mainly theed improvement is that, shown in Figure 2 in second embodiment of the present invention, is set in gas cavity 1
Have in baroceptor 4, liquid chamber 2 and be provided with hydrostatic sensor 5.
Baroceptor 4 and hydrostatic sensor 5 are set, the fluid in gas cavity 1 and liquid chamber 2 can be monitored in real time
Pressure, it is ensured that the orderly progress of the process of production.
Embodiment three
Third embodiment of the present invention provides a kind of spinneret, the 3rd embodiment and first, second embodiment
It is different, it is in place of main difference, in the first and second embodiments of the present invention, half-duplex channel 3 is single by setting
Constituted to valve；And, it is shown in Figure 3 in third embodiment of the present invention, it is provided with electronic valve in half-duplex channel 3
6, electronic valve 6 is communicated to connect with baroceptor 4 and hydrostatic sensor 5.
Electronic valve 6 is opened when detecting gas pressure intensity more than liquid pressure, is detecting liquid pressure more than gas
Closed during pressure.By automatically controlling for electronic valve 6, it is ensured that half-duplex channel 3 is only when gas pressure intensity is more than liquid pressure
In channel status, it can more effectively prevent spinneret liquid from pouring in down a chimney into gas cavity 1.
Baroceptor 4 and hydrostatic sensor 5 are set, the fluid in gas cavity 1 and liquid chamber 2 can be monitored in real time
Pressure, it is ensured that the orderly progress of the process of production.
It is noted that in the present embodiment, can be by controlling the opening condition of electronic valve 6 to control gas
Pressure differential in cavity 1 and liquid chamber 2, and further control the egress rate of spinneret liquid.For example, electronic valve can be made
6 open again after gas pressure intensity 100kpa bigger than liquid pressure to 1000kpa is detected, so that the spinneret effect required for obtaining
Really.
Embodiment four
The 4th embodiment of the present invention provides a kind of spinneret, and the 4th embodiment is that the 3rd embodiment enters one
Step is improved, and is mainly theed improvement is that, shown in Figure 4 in the 4th embodiment of the present invention, is set in half-duplex channel 3
There is the first check valve 7, electronic valve 6 is located between the first check valve 7 and gas cavity 1.
Because when valve is not yet opened, liquid pressure is comparatively steady, liquid can be prevented using the first check valve 7
Rise to valve location, that is to say, that from the first check valve 7 to the space between valve with constituting the buffering that spinneret liquid pours in down a chimney
Band.When gas pressure intensity meets condition, valve, which is opened, to promote check valve to open behind the buffered area of gas, therefore is more had
Effect ground has reached the purpose for preventing from pouring in down a chimney.
Embodiment five
The 5th embodiment of the present invention provides a kind of spinneret, and the 5th embodiment is that the 4th embodiment enters one
Step is improved, and is mainly theed improvement is that, shown in Figure 5 in the 5th embodiment of the present invention, is also set in half-duplex channel 3
The second check valve 8 is equipped with, the second check valve 8 is located between electronic valve 6 and gas cavity 1.
When being provided with the second check valve 8, gas cavity 1 and liquid chamber 2 can be further separated, system is improved steady
It is qualitative.
Embodiment six
The 6th embodiment of the present invention provides a kind of spinneret, and the 6th embodiment is the first to the 5th embodiment
In any one embodiment further improvement, mainly the improvement is that, the present invention the 6th embodiment in, referring to figure
Shown in 6, spinneret also includes being arranged at below body, and the mould board 9 being detachably connected with body.
The moulding hole 9a connected one to one with spinneret orifice 2b is provided with mould board 9.Due between mould board 9 and body
It is detachably connected, therefore mould board 9 can be changed as needed.To different mould boards 9, its moulding hole 9a design, especially
It is that shape design can be with different, therefore, it is possible to preferably meet use demand.
For example, moulding hole can be the various shapes, the section of the silk thread sprayed such as triangle, square, circle
Shape is by by the moulding influence in moulding hole.
In the present embodiment, mould board 9 is spirally connected with body, and close by rubber ring between moulding hole 9a and spinneret orifice 2b
Envelope.Using being spirally connected, there will be enough stress between mould board 9 and body, under this stress, the sealing property of rubber ring
Can be more preferable, the leakage of spinneret liquid can be better protected from.Certainly, mould board 9 can also connect by magnetic force or by buckle with body
Connect, this has no effect on the realization of beneficial effects of the present invention.
Embodiment seven
The 7th embodiment of the present invention provides a kind of spinneret, and the 6th embodiment is the first to the 5th embodiment
In any one embodiment further improvement, mainly the improvement is that, the present invention the 7th embodiment in, spinneret
Also include being arranged at the wind-drive device below mould board, filament shapes can be better controled over out using wind-drive device.
Embodiment eight
The 8th embodiment of the present invention provides a kind of thread spraying structure, for electrospinning device, including for storing
The spinneret that any one embodiment is addressed in the spinneret case 10 and embodiment one to seven of spinneret liquid, spinneret is detachable
Ground is connected on spinneret case 10.
In terms of existing technologies, thread spraying structure provided by the present invention, spinneret can modularly be connected to spray
On silk case 10, therefore the replacing of spinneret more facilitates.In use, by changing spinneret and allotment spinning solution, it becomes possible to ten
Divide the product for easily manufacturing all size, production cost is greatly reduced, the fibrous material of generation is improved
Diversity.
In the present embodiment, shown in Figure 7, the bottom of spinneret case 10 is provided with multiple slot 10a, and spinneret is also
It is multiple, and spinneret inserts and in the slot 10a correspondingly.Spinneret slot for being provided with multiple spinnerets
For 10a, by multiple spinnerets while spinneret, because the surface area of spinneret is smaller, is only setting single half-duplex channel 3
Under the premise of can ensure that spinneret orifice 2b spinneret is uniform enough, improve spinneret effect.
It will be understood by those skilled in the art that in above-mentioned each embodiment, in order that reader is more preferably geographical
Solve the application and propose many ins and outs.But, even if without these ins and outs and based on the respective embodiments described above
Many variations and modification, each claim of the application technical scheme claimed can also be realized substantially.Therefore, in reality
In, can to above-mentioned embodiment, various changes can be made in the form and details, without departing from the present invention spirit and model
Enclose.
Claims (10)
1. formed from top to bottom in a kind of spinneret, for electrospinning device, it is characterised in that including body, the body
There are two layers of cavity, respectively gas cavity (1) and liquid chamber (2), the gas cavity (1) is provided with gas access (1a),
The liquid chamber (2) is provided with liquid inlet (2a)；
The gas cavity (1) is connected with the liquid chamber (2) by half-duplex channel (3), and the liquid chamber (2) is with setting
The spinneret orifice (2b) for being placed in body bottom portion is connected；
Spinneret liquid enters the liquid chamber (2) from the liquid inlet (2a), and gas enters institute from the gas access (1a)
Gas cavity (1) is stated, by the half-duplex channel (3) and into the liquid chamber (2), spinneret liquid is promoted from the spinneret orifice
Sprayed in (2b).
2. spinneret according to claim 1, it is characterised in that：At least two are disposed with the half-duplex channel (3)
Individual check valve.
3. spinneret according to claim 1, it is characterised in that：Baroceptor is provided with the gas cavity (1)
(4), it is provided with hydrostatic sensor (5) in the liquid chamber (2).
4. spinneret according to claim 3, it is characterised in that：Electronic valve is provided with the half-duplex channel (3)
(6), the electronic valve (6) communicates to connect with the baroceptor (4) and the hydrostatic sensor (5)；
The electronic valve (6) is opened when detecting gas pressure intensity more than liquid pressure, is detecting liquid pressure more than gas
Closed during body pressure.
5. spinneret according to claim 4, it is characterised in that：The first check valve is provided with the half-duplex channel (3)
(7), the electronic valve (6) is located between first check valve (7) and gas cavity (1).
6. spinneret according to claim 5, it is characterised in that：It is unidirectional that second is additionally provided with the half-duplex channel (3)
Valve (8), second check valve (8) is located between the electronic valve (6) and the gas cavity (1).
7. spinneret according to claim 1, it is characterised in that：The spinneret also includes being arranged under the body
It is provided with and the spinneret orifice (2b) one on side, and the mould board (9) being detachably connected with the body, the mould board (9)
The moulding hole (9a) of one correspondence connection.
8. spinneret according to claim 7, it is characterised in that：The mould board (9) is spirally connected with the body, and described
Pass through seal with elastometic washer between moulding hole (9a) and the spinneret orifice (2b).
9. a kind of thread spraying structure, for electrospinning device, it is characterised in that：Including the spinneret case (10) for storing spinneret liquid
With the spinneret described in any one in claim 1 to 8, the spinneret is detachably connected to the spinneret case (10)
On.
10. thread spraying structure according to claim 9, it is characterised in that：The bottom of the spinneret case (10) is provided with multiple
Slot (10a), the spinneret is also to be multiple, and the spinneret is inserted and installed in the slot (10a) correspondingly
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098805.3U CN206570443U (en) | 2017-01-26 | 2017-01-26 | Spinneret and thread spraying structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098805.3U CN206570443U (en) | 2017-01-26 | 2017-01-26 | Spinneret and thread spraying structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206570443U true CN206570443U (en) | 2017-10-20 |
Family
ID=60061583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720098805.3U Expired - Fee Related CN206570443U (en) | 2017-01-26 | 2017-01-26 | Spinneret and thread spraying structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206570443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702505A (en) * | 2017-01-26 | 2017-05-24 | 上海工程技术大学 | Spinneret plate and spinneret mechanism |
-
2017
- 2017-01-26 CN CN201720098805.3U patent/CN206570443U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702505A (en) * | 2017-01-26 | 2017-05-24 | 上海工程技术大学 | Spinneret plate and spinneret mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20200126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |