CN204491055U - A kind of spout cyclone type is prepared nanometer and to be twisted thread electrostatic spinning nozzle device - Google Patents

A kind of spout cyclone type is prepared nanometer and to be twisted thread electrostatic spinning nozzle device Download PDF

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Publication number
CN204491055U
CN204491055U CN201520130819.XU CN201520130819U CN204491055U CN 204491055 U CN204491055 U CN 204491055U CN 201520130819 U CN201520130819 U CN 201520130819U CN 204491055 U CN204491055 U CN 204491055U
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China
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spout
twist
nozzle device
cyclone type
air
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Withdrawn - After Issue
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CN201520130819.XU
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Chinese (zh)
Inventor
杨卫民
张罗
刘苗苗
谭晶
李好义
阎华�
谢鹏程
焦志伟
丁玉梅
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Beijing University of Chemical Technology
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Beijing University of Chemical Technology
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Abstract

The utility model discloses a kind of spout cyclone type to prepare nanometer and to twist thread electrostatic spinning nozzle device, comprise airflow duct, spinning barrel, connector, air duct, air compressor, pore electrod plate, HV generator, collecting drum of twisting thread, the twist keep turntable, tangential gas flow hole, screw, heating collar and temperature sensor; Airflow duct, spinning barrel and connector are connected by threaded coaxial from the inside to the outside, the vertical air flow inlet in airflow duct upper end connects air compressor, charging aperture is positioned at the upper surface of connector, and connector and air duct are connected by screw, and tangential gas flow hole is positioned at air duct lower end and connects air compressor; Pore electrod plate is positioned at immediately below shower nozzle, twist thread collecting drum and the twist keep turntable to be positioned at immediately below pore electrod plate, and HV generator connected by pore electrod plate, spinning barrel ground connection.Form spout whirlwind by vertical direction air-flow and tangential gas flow coupling directly to twist fiber, save operation; Twisting degree of twisting thread regulates by regulating air velocity.

Description

A kind of spout cyclone type is prepared nanometer and to be twisted thread electrostatic spinning nozzle device
Technical field
The utility model relates to a kind of spout cyclone type and prepares nanometer and to twist thread electrostatic spinning nozzle device, belongs to electrostatic spinning field.
Background technology
Along with the develop rapidly of science and technology, society has higher requirement to nano material, electrostatic spinning receives much concern owing to can prepare nano level fiber and becomes study hotspot in recent years, and is acknowledged as that to prepare nanofiber be method the most fast and effectively.
Twisting adds to fine yarn, long filament the step that the twist is the most key, nucleus equipment is the twisting mechanism of twisting mill and spinning equipment inside, multiply single thread is merged by twisting method, but there is the defects such as equipment heaviness, complex structure in traditional twisting mill, after mechanism hung by yarn, be difficult to cleaning simultaneously, not easily realize micro-nano twisting.Existing patent of invention " a kind of centrifugal Static Spinning nanometer twist thread high speed preparation facilities and technique " (CN103409861 A) discloses by conjunction with electrostatic spinning technique and centrifugal spinning technology, and in chamber, form swirling eddy by air compressor and cyclone vacuum generator conbined usage, guiding processbearing astrocyte is twisted thread, but its apparatus structure is complicated, and fiber suction can result in blockage by vacuum wind inlet, finally causes twisting unsuccessfully.
Utility model content
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, propose to utilize the tangential gas flow hole of air duct and the vertical air flow inlet of airflow duct to connect air compressor respectively, pass into air-flow to be coupled in air duct inner chamber and to produce the spout whirlwind that moves down, spout whirlwind band kinetodesma rotates twisting; Further, produce dissimilar spout whirlwind by the flow velocity controlling vertical air-flow and tangential gas flow, the final difference twisting demand realized electrostatic spinning nano fiber.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, mainly comprises airflow duct, spinning barrel, connector, air duct, air compressor, pore electrod plate, HV generator, collecting drum of twisting thread, the twist keep turntable, tangential gas flow hole, screw, heating collar and temperature sensor; Airflow duct, spinning barrel and connector are connected by threaded coaxial from the inside to the outside, the vertical air flow inlet in airflow duct upper end connects air compressor, charging aperture is positioned at the upper surface of connector, and connector and air duct are connected by screw, and tangential gas flow hole is positioned at air duct lower end and connects air compressor; Pore electrod plate is positioned at 20cm immediately below shower nozzle (10-40cm), twist thread collecting drum and the twist keep turntable to be positioned at 30cm (10-50cm) immediately below pore electrod plate, and HV generator connected by pore electrod plate, spinning barrel ground connection.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, its airflow duct with spinning barrel, shunt between column casing with connector as helicitic texture is connected, airflow duct outer wall and spinning material tube inner wall form material chamber, spinning barrel bottom is that spinning is most advanced and sophisticated, and polymer melt flow to spinning tip via material chamber.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, its vertical air flow inlet and tangential gas flow hole can connect the air-flow of hot and cold different temperatures, spout whirlwind is formed in the coupling of air duct inner chamber, straight air-flow is conducive to gathering fiber, and decrease speed is provided, swirling eddy makes fiber mutually be wound around simultaneously can to the further drawing-off refinement of fiber, and the two coupling formation spout whirlwind completes the twisting to fiber, mates different air-flow velocities and twists in various degree fiber.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, its air duct is the non-electret of high-temperature insulation, can ignore electric distribution influence, tangential gas flow hole is evenly distributed in air duct bottom circumference, opening is high outside and low outside, center line and the air duct inner cylinder face tangent line in tangential gas flow hole are angled, and angular range is 0-90 °, and aperture, tangential gas flow hole, number can suitably adjust.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, its mode of heating be heating collar or hot pin to connector and the heating of spinning barrel, each heater coordinates with temperature sensor.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, and have circular hole in the middle of its pore electrod plate, connect HV generator, form electric field with the spinning barrel tip of ground connection and carry out spinning, spout whirlwind passes through circular hole with twisted fibers.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, and its collecting drum of twisting thread is fixed on the twist and keeps, on turntable, being rotated by motor-driven at perpendicular, collects nanometer and twists thread, simultaneously can further to drawing of fiber refinement; The twist keeps turntable can be rotated at horizontal plane by motor-driven, and during rotation, direction is contrary with spout whirlwind direction, can increase nanofiber twist, also can keep static, not change nanofiber twist.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, and its advantage is that twisting mode is simple, forms spout whirlwind and directly twists fiber, save operation and mechanism by vertical direction air-flow and tangential gas flow coupling; Nozzle structure is simple, and inner flow passage is brief, straight, not easily blocks, and is convenient to unpick and wash; Twisting degree of twisting thread regulates by regulating air velocity, convenient flexibly.
Accompanying drawing explanation
Fig. 1 is that a kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device schematic diagram.
In figure: 1-airflow duct, 2-spinning barrel, 3-charging aperture, 4-connector, 5-air duct, 6-air compressor, 7-pore electrod plate, 8-HV generator, 9-twists thread collecting drum, the 10-twist keeps turntable, 11-tangential gas flow hole, 12-air duct inner chamber, 13-spinning is most advanced and sophisticated, 14-screw, 15-heating collar, 16-temperature sensor, the vertical air flow inlet of 17-.
Detailed description of the invention
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, propose to utilize the tangential gas flow hole 11 of air duct 5 and the vertical air flow inlet 17 of vertical airflow duct 1 to connect air compressor 6 and pass into air-flow and be coupled in air duct inner chamber 12 and produce the spout whirlwind that moves down, spout whirlwind band kinetodesma rotates twists; Further, produce dissimilar spout whirlwind by the flow velocity controlling vertical air-flow and tangential gas flow, the final difference twisting demand realized electrostatic spinning nano fiber.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, as shown in Figure 1, it mainly comprises airflow duct 1, spinning barrel 2, connector 4, air duct 5, air compressor 6, pore electrod plate 7, HV generator 8, collecting drum 9 of twisting thread, twist maintenance turntable 10, tangential gas flow hole 11, screw 14, heating collar 15, temperature sensor 16 to device schematic diagram; Airflow duct 1, spinning barrel 2 and connector 4 are connected by threaded coaxial from the inside to the outside, the vertical air flow inlet 17 in airflow duct 1 upper end connects air compressor, charging aperture 3 is positioned at the upper surface of connector 4, connector 4 is connected by screw 14 with air duct 5, and tangential gas flow hole 11 is positioned at air duct 5 lower end and connects air compressor 6; Pore electrod plate 7 is positioned at 20cm immediately below shower nozzle (10-40cm), twist thread collecting drum 9 and the twist keep turntable 10 to be positioned at 30cm (10-50cm) immediately below pore electrod plate 7, HV generator 8 connected by pore electrod plate 7, spinning barrel 2 ground connection.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, its airflow duct 1 with spinning barrel 2, shunt between column casing 2 with connector 4 as helicitic texture is connected, airflow duct 1 outer wall and spinning barrel 2 inwall form material chamber, spinning barrel 2 bottom is spinning tip 13, and polymer melt flow to spinning tip 13 via material chamber.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, its vertical air flow inlet 17 and tangential gas flow 11 can connect the air-flow of hot and cold different temperatures, be coupled at air duct inner chamber 12 and form spout whirlwind, straight air-flow is conducive to gathering fiber, and decrease speed is provided, swirling eddy makes fiber mutually be wound around simultaneously can to the further drawing-off refinement of fiber, the two coupling formation spout whirlwind completes the twisting to fiber, mates different air-flow velocities and twists in various degree fiber.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, its air duct 5 is high-temperature insulation material, can ignore electric distribution influence, tangential gas flow hole 11 is evenly distributed in air duct 5 bottom circumference, opening is high outside and low outside, center line and the air duct 5 inner cylinder face tangent line in tangential gas flow hole 11 are angled, and angular range is 0-90 °, and aperture, tangential gas flow hole 11, number can suitably adjust.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, its mode of heating be heating collar 15 or hot pin to connector and the heating of spinning barrel, each heater coordinates with temperature sensor 16.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, circular hole is had in the middle of its pore electrod plate 7, connect HV generator 8, form electric field with spinning barrel 2 tip of ground connection and carry out spinning, spout whirlwind passes through circular hole with twisted fibers.
A kind of spout cyclone type of the utility model is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, and its collecting drum 9 of twisting thread is fixed on the twist and keeps, on turntable 10, being rotated by motor-driven at perpendicular, collects nanometer and twists thread, simultaneously can further to drawing of fiber refinement; The twist keeps turntable 10 can be rotated at horizontal plane by motor-driven, and during rotation, direction is contrary with spout whirlwind direction, can increase nanofiber twist, also can keep static, not change nanofiber twist.
Below in conjunction with specific embodiment, the utility model is described in further detail.
The utility model relates to a kind of spout cyclone type and prepares nanometer and to twist thread electrostatic spinning nozzle device, such as prepare nanometer to twist thread, during work, open heating system, reach after design temperature until temperature, polypropylene (PP6820) melt flows into via charging aperture 3 and evenly circumference is filled in the cavity between spinning barrel 2 and airflow duct 1, after 3 minutes, flow to spinning barrel 2 bottom spinning most advanced and sophisticated 13 and all with distribute, start air compressor 6, the air velocity entering into vertical air flow inlet 17 and tangential gas flow hole 11 is regulated to be respectively 3m/s and 5m/s, formed after stablizing spout whirlwind and start HV generator 8, be adjusted to 50kv, pore electrod plate with at a distance of 20cm the shower nozzle of ground connection forms electric field, the polymer melt being evenly distributed on spinning tip 13 forms taylor cone and ejects fiber jet under the effect of electric field force, fiber is mutually wound around under spout revolves wind action, once step stretching of going forward side by side is twisted, adjustable air velocity, control twisting degree, spout whirlwind passes pore electrod plate 7 with the fiber of twisting and is wound around collection by fiber collecting roller 9, the twist keeps turntable 10 can rotate with spout whirlwind inverted speed, increase twisting degree, final obtained nanometer is twisted thread.

Claims (10)

1. spout cyclone type is prepared nanometer and to be twisted thread an electrostatic spinning nozzle device, it is characterized in that: mainly comprise airflow duct, spinning barrel, connector, air duct, air compressor, pore electrod plate, HV generator, collecting drum of twisting thread, the twist keep turntable, tangential gas flow hole, screw, heating collar and temperature sensor; Airflow duct, spinning barrel and connector are connected by threaded coaxial from the inside to the outside, the vertical air flow inlet in airflow duct upper end connects air compressor, charging aperture is positioned at the upper surface of connector, and connector and air duct are connected by screw, and tangential gas flow hole is positioned at air duct lower end and connects air compressor; Pore electrod plate is positioned at immediately below shower nozzle, twist thread collecting drum and the twist keep turntable to be positioned at immediately below pore electrod plate, and HV generator connected by pore electrod plate, spinning barrel ground connection.
2. a kind of spout cyclone type according to claim 1 is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, it is characterized in that: airflow duct outer wall and spinning material tube inner wall form material chamber, spinning barrel bottom is that spinning is most advanced and sophisticated, and polymer melt flow to spinning tip via material chamber.
3. a kind of spout cyclone type according to claim 1 is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, it is characterized in that: vertically air flow inlet and tangential gas flow hole connect the air-flow of hot and cold different temperatures, forms spout whirlwind in the coupling of air duct inner chamber.
4. a kind of spout cyclone type according to claim 1 is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, it is characterized in that: air duct is the non-electret of high-temperature insulation, tangential gas flow hole is evenly distributed in air duct bottom circumference, opening is high outside and low outside, and center line and the air duct inner cylinder face tangent line in tangential gas flow hole are angled.
5. a kind of spout cyclone type according to claim 1 is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, it is characterized in that: center line and the angled scope of air duct inner cylinder face tangent line in tangential gas flow hole are 0-90 °.
6. a kind of spout cyclone type according to claim 1 is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, it is characterized in that: in the middle of pore electrod plate, have circular hole, connect HV generator, form electric field with the spinning barrel tip of ground connection and carry out spinning, spout whirlwind passes through circular hole with twisted fibers.
7. a kind of spout cyclone type according to claim 1 is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, it is characterized in that: collecting drum of twisting thread is fixed on the twist and keeps, on turntable, being rotated by motor-driven at perpendicular, collects nanometer and twists thread.
8. a kind of spout cyclone type according to claim 7 is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, it is characterized in that: the twist keeps turntable can be rotated at horizontal plane by motor-driven, during rotation, direction is contrary with spout whirlwind direction, can increase nanofiber twist.
9. a kind of spout cyclone type according to claim 1 is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, and it is characterized in that: pore electrod plate is positioned at 10-40cm immediately below shower nozzle, optimal value is 20cm.
10. a kind of spout cyclone type according to claim 1 is prepared nanometer and to be twisted thread electrostatic spinning nozzle device, it is characterized in that: twist thread collecting drum and the twist keep turntable to be positioned at 10-50cm immediately below pore electrod plate, optimal value 30cm.
CN201520130819.XU 2015-03-06 2015-03-06 A kind of spout cyclone type is prepared nanometer and to be twisted thread electrostatic spinning nozzle device Withdrawn - After Issue CN204491055U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104726943A (en) * 2015-03-06 2015-06-24 北京化工大学 Tornado cyclone type device for preparing nano twisting electrostatic spinning nozzle
CN105332131A (en) * 2015-12-04 2016-02-17 江南大学 Method for preparing acetic acid nano fiber/polyester filament composite yarn
CN106319650A (en) * 2016-11-28 2017-01-11 重庆科技学院 Using method for electrostatic spinning nozzle
CN106435778A (en) * 2016-11-28 2017-02-22 重庆科技学院 Use method for compound core-spun electrostatic spinning sprayer
CN106435777A (en) * 2016-11-28 2017-02-22 重庆科技学院 Use method of hollow-core electrostatic spinning nozzle
CN106555234A (en) * 2016-11-28 2017-04-05 浙江大学 A kind of composite screw fiber spinning apparatus and its spinning process
CN106400137B (en) * 2016-11-28 2018-08-28 重庆科技学院 A kind of electrostatic spinning nozzle
CN110644080A (en) * 2019-09-29 2020-01-03 天津工业大学 Continuous preparation device and continuous preparation method of nanofiber yarns

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104726943A (en) * 2015-03-06 2015-06-24 北京化工大学 Tornado cyclone type device for preparing nano twisting electrostatic spinning nozzle
CN105332131A (en) * 2015-12-04 2016-02-17 江南大学 Method for preparing acetic acid nano fiber/polyester filament composite yarn
CN106319650A (en) * 2016-11-28 2017-01-11 重庆科技学院 Using method for electrostatic spinning nozzle
CN106435778A (en) * 2016-11-28 2017-02-22 重庆科技学院 Use method for compound core-spun electrostatic spinning sprayer
CN106435777A (en) * 2016-11-28 2017-02-22 重庆科技学院 Use method of hollow-core electrostatic spinning nozzle
CN106555234A (en) * 2016-11-28 2017-04-05 浙江大学 A kind of composite screw fiber spinning apparatus and its spinning process
CN106319650B (en) * 2016-11-28 2018-06-26 重庆科技学院 A kind of application method of electrostatic spinning nozzle
CN106400137B (en) * 2016-11-28 2018-08-28 重庆科技学院 A kind of electrostatic spinning nozzle
CN110644080A (en) * 2019-09-29 2020-01-03 天津工业大学 Continuous preparation device and continuous preparation method of nanofiber yarns

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AV01 Patent right actively abandoned

Granted publication date: 20150722

Effective date of abandoning: 20160921

C25 Abandonment of patent right or utility model to avoid double patenting