CN207002970U - A kind of centrifugal spinning continuously prepares fiber membrane device - Google Patents
A kind of centrifugal spinning continuously prepares fiber membrane device Download PDFInfo
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- CN207002970U CN207002970U CN201720947548.6U CN201720947548U CN207002970U CN 207002970 U CN207002970 U CN 207002970U CN 201720947548 U CN201720947548 U CN 201720947548U CN 207002970 U CN207002970 U CN 207002970U
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- centrifugal pan
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Abstract
The utility model discloses a kind of centrifugal spinning continuously to prepare fiber membrane device, belongs to spinning moulding field.Mainly include extrusion plasticizing device, spin block component, fiber collecting net, suction wind apparatus, hollow stent, hot pressing roller, casing, wind roller, wind roller bracket, unreel roller, unreel roller bracket, slide rail, electric machine support, electric rotating machine, infrared radiation thermometer, infrared radiation thermometer support, infrared heating pipe and shaft coupling etc., wherein extrusion plasticizing device is fixed on slide rail, and it is connected with spin block, fiber collecting net is unreeled by unreeling roller and spread out, via four pairs of hot pressing rollers, finally wound on winding roller.The utility model proposes device, the area coverage of spinning is determined by the diameter of centrifugal pan, because of sealing ring, melt is not easily accessible centrifugal pan rotating shaft, there are raised structures and differential groove in centrifugation plate edge, it is easy to fibre diameter to be homogenized, air draught auxiliary fiber is collected and the rolling of four pairs of hot-rollings so that continuous production is easy to control.
Description
Technical field
It the utility model is related to a kind of centrifugal spinning and continuously prepare fiber membrane device, belong to spinning moulding field.
Background technology
Melt spun spining technology, it is to centrifuge to make every effort to overcome caused by a kind of device for rotating polymer melt by high speed
Take surface tension to be thrown away by pore, the method for forming fiber after melt solidification.The starting of centrifugal spinning technology is more early, early in 1924
Year, the U.S. just had patent to propose in the method for centrifugation manufacture fiber；European patent EP 0168817 in 1986 point out from
In heart spinning, centrifuge as the effect for serving as compression pump, material melt is squeezed through hole, forms fiber；It is beautiful after this
State, Europe have a large amount of patents to carry out improving description, United States Patent (USP) US20080050304 to centrifugal spinning method, it is proposed that profit
The conception of nano-scale carbon fiber is prepared with centrifugal method.
The research on centrifugal spinning technology is concentrated mainly on solution centrifugal spinning at present, about the special of melt spun spinning
Sharp then very few, wherein Chinese invention patent 2015100973369 and 2013101633083 mentions two kinds of novel spinning dresses
Put, but due to using frame mode of the shower nozzle in upper spinning disc under, limiting fiber collection space, institute's spinning fiber film is generally
It is hollow and to be difficult to collection from weaved film and form the continuous tunica fibrosa of wide cut, how using melt spun spin processes to realize ultra-fine width
The continuous production of width tunica fibrosa, still need to further study.
The content of the invention
The utility model purpose is that providing a kind of centrifugal spinning continuously prepares fiber membrane device, overcomes electrostatic spinning
Low production efficiency and the easy blockage problem of shower nozzle.The device can adjust tunica fibrosa width by changing centrifugal pan diameter, using more
Add extensively.
A kind of centrifugal spinning of the utility model continuously prepares fiber membrane device, mainly includes extrusion plasticizing device, spinning
Modular assembly, fiber collecting net, suction wind apparatus, hollow stent, hot pressing roller, casing, winding roller, winding roller bracket,
Unreel roller, unreel roller bracket, slide rail, electric machine support, electric rotating machine, infrared radiation thermometer, infrared radiation thermometer support, it is infrared plus
Heat pipe and shaft coupling etc., wherein extrusion plasticizing device is fixed on slide rail, and is connected with spin block, for spin block supply modeling
Change melt；Spin block component is fixed on slide rail entirely through threaded connection；Slide rail is fixed on box bottom, and can be the bottom of at
Back and forth slided on plate；Roller is unreeled by unreeling roller bracket support, and is fixed on box bottom, fiber collecting net is by let off roll
Son, which unreels, to be spread out, and via four pairs of hot pressing rollers, is finally wound on winding roller, winding roller is fixed on winding roller bracket
Casing upper end；In four pairs of hot pressing rollers fixations and casing；Suction wind apparatus is fixed on hollow stent, and hollow stent both ends are consolidated
Due on spinning manifold；Infrared radiation thermometer is fixed on slide rail by infrared radiation thermometer support, and points to centrifugal pan, infrared heating
Pipe is placed in below centrifugal pan.
A kind of centrifugal spinning of the utility model continuously prepares fiber membrane device, and spin block component includes support block, branch
Bracer insulating collar, baffle, contiguous block, baffle heating collar, thermocouple, coverage block, centrifugal pan rotating shaft, bearing, bearing (ball) cover,
Back-up ring, shaft coupling, fixing nut, centrifugal pan, centrifugal pan connecting plate, centrifugal pan fixing bolt etc., wherein support block passes through screw thread
It is connected and fixed on slide rail, baffle is inserted into support block, and heat-insulated by the insulating collar of centre, and contiguous block is threadably secured
On baffle, the other end is connected with the outlet of extrusion plasticizing device, and coverage block is fixed by circumferentially distributed screw with baffle
Connection, centrifugal pan rotating shaft pass through support block, coverage block and centrifugal pan intermediate throughholes, and by bearings, hole inwall and bearing
Outer ring has insulating collar, and bearing passes through shaft coupling and rotation by bearing (ball) cover and packing ring fixing seal, centrifugal pan rotating shaft one end
Motor is connected, and the other end is fixed by fixing nut and centrifugal pan connecting plate, and centrifugal pan connecting plate passes through fixing bolt and centrifugation
Disk is connected, and baffle outer ring, contiguous block are provided with heating collar and thermocouple, and infrared heating pipe and infrared is provided with below centrifugal pan
Temperature measurer, accurately to be controlled spinning process temperature.Spin block component set melt conveying extrusion, continuous spinning, heating
The functions such as cooling avoid traditional up-down structure in one, greater room is provided for fiber collection, more conducively tunica fibrosa
Industrialize continuous production.
A kind of centrifugal spinning of the utility model continuously prepares fiber membrane device, is machined with respectively on baffle and coverage block
Runner, both combine forms cooling water flow conduits and melt flow channel respectively.Melt passes through melt flow channel under extrusion pressure
Into centrifugal pan and then fibre is spun to, cooling water is passed in cooling water flow conduits makes centrifugal pan rotating shaft and bearing not superheat working.
A kind of centrifugal spinning of the utility model continuously prepares fiber membrane device, and centrifugal pan outmost turns have a circle projection knot
Structure, the differential shunting of hundreds of differential grooves, more conducively melt flow is circumferentially machined with raised structures；And centrifugal pan outer ring has necessarily
Inclination angle, inclination angle can in 10 ° to 30 ° value；Inclination angle is too small, and fiber is from centrifugation plate edge too big, the fiber that throws away diameter
It is difficult to collect；Inclination angle is too big, and centrifugal pan excessively collapses, and heating is not easy uniformly, and the tunica fibrosa covering diameter formed is small, fiber
Film coating is too thick to be not easy to laying uniformly.There is certain inclination angle centrifugal pan outer ring, melt is necessarily glued in flow process
Stagnant power effect, delay the melt rate of outflow, the internal shear effect of enhancing melt；Centrifugal pan inner ring also has a circle projection, plays isolation
Melt acts on, and prevents melt from being flowed out from inner ring；Centrifugal pan lower surface is coated with graphene layer, makes heat transfer more quick.For viscosity
Very high melt, centrifugal pan upper surface can also be coated with graphene layer, and the centrifugation beneficial to melt is thrown away.
A kind of centrifugal spinning of the utility model continuously prepares fiber membrane device, between centrifugal pan connecting plate and coverage block
One sealing ring with self-lubricating property of installation, such as polytetrafluoroethylene ring, copper ring or graphite annulus, on the one hand prevent melt from
Coverage block flows out with the gap in centrifugal pan connecting plate, on the other hand also functions to lubrication.When seal ring seal effect is deteriorated
Change.
A kind of centrifugal spinning of the utility model continuously prepares fiber membrane device, and its method and step is：The first step, device and
The preparatory stage of material：The inspection in terms of the installation, sealing, electrical equipment of each device is carried out first, it is ensured that leakproof, non-material leakage are right
Processing etc. is dried in spinning material；Second step, each section of temperature of melt conveying, melt conveying are set according to the spinning parameter of accumulation
Flow, according to spinning speed and the setting of target fibers film thickness unreels and rolling speed；3rd step, warm-up phase：Open melt
Extrusion plasticizing device, spinning die head component, hot pressing roller isothermal control device, it is increased to design temperature；4th step, try spinning rank
Section：Observe after each design temperature reaches, open melt extrusion plasticizing apparatus and simultaneously add spinning material until there is melt on centrifugal pan
During appearance, electric rotating machine is opened, on demand setting speed, finely tune extruded velocity and rotating speed, until fiber stable homogeneous, unlatching is taken out
Air intake device, nanofiber fly out from centrifugal pan, are adhered in the presence of air intake device on fiber collecting net；5th step, surely
Determine the operation phase：Examination spinning phase fiber is removed, unwinding device, hot pressing roller and wrap-up is opened to design temperature, enters
Stable operation stage prepared by fiber, while it is continuously added spinning material continuous spinning in melt extrusion plasticizing apparatus charge door.
Spinning die head component can use multigroup linear superposition mode in the utility model, and multiple components are run simultaneously, with full
Spinning efficiency and fiber thickness required by foot；Fiber collecting net breadth can be true with spinning die head number of components etc. by being actually needed
It is fixed.
A kind of centrifugal spinning of the utility model continuously prepares fiber membrane device and method, and the area coverage of spinning is by centrifuging
The diameter of disk determines that it is convenient that width is changed, and only need to change centrifugal pan.Melt extrusion is on centrifugal pan, because of sealing
Ring, melt are not easily accessible centrifugal pan rotating shaft, have raised structures and differential groove in centrifugation plate edge, are easy to the homogenizing of fibre diameter,
Air draught auxiliary fiber is collected and the rolling of four groups of hot-rollings so that continuous production is easy to control.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view that a kind of centrifugal spinning of the utility model continuously prepares fiber membrane device.
Fig. 2 is Fig. 1 A enlarged drawings.I.e. a kind of centrifugal spinning continuously prepares the spinning die head component of fiber membrane device
Partial enlarged drawing.
In figure：1- extrusion plasticizing devices, 2- spinning die head components, 3- fiber collecting nets, 4- suction wind apparatus, the hollow branch of 5-
Frame, 6- hot pressing rollers, 7- casings, 8- winding rollers, 9- winding roller brackets, 10- unreel roller bracket, and 11- unreels roller,
12- slide rails, 13- electric machine supports, 14- electric rotating machines, 15- support blocks, 16- insulating collars, 17- pipe joints, 18- infrared radiation thermometer branch
Frame, 19- infrared radiation thermometers, 20- infrared heating pipes, 21- centrifugal pans, 22- centrifugal pan fixing bolts, 23- centrifugal pan connecting plates,
24- fixing nuts, 25- back-up rings, 26- bearing (ball) covers, 27- bearings, 28- coverage blocks, 29- baffles, 30- extrusion channel electric heating
It is even, 31- baffle thermocouples, 32- contiguous blocks, 33- heating collars, 34- insulating collars, 35- centrifugal pan rotating shafts, 36- shaft couplings.
Embodiment
The utility model proposes a kind of centrifugal spinning continuously to prepare fiber membrane device, as shown in Figure 1-2, main bag
Include：It is main to include extrusion plasticizing device 1, spin block component 2, fiber collecting net 3, aspirate wind apparatus 4, hollow stent 5, hot pressing
Roller 6, casing 7, roller 8 is wound, wind roller bracket 9, unreel roller bracket 10, unreel roller 11, slide rail 12, electric machine support
13, electric rotating machine 14, support block 15, insulating collar 16, pipe joint 17, infrared radiation thermometer support 18, infrared radiation thermometer 19, it is infrared plus
Heat pipe 20, centrifugal pan 21, centrifugal pan fixing bolt 22, centrifugal pan connecting plate 23, fixing nut 24, back-up ring 25, bearing (ball) cover 26,
Bearing 27, coverage block 28, baffle 29, extrusion channel electroheat pair 30, baffle thermocouple 31, contiguous block 32, heating collar 33, every
Gas ket 34, centrifugal pan rotating shaft 35 and shaft coupling 36, wherein extrusion plasticizing device 1 are fixed on slide rail 12, and with the phase of spin block 2
Even, plasticized melt is supplied for spin block 2；Spin block component 2 is fixed on slide rail 12 entirely through threaded connection；Slide rail 12
It is fixed on the bottom plate of casing 7, and can be back and forth slided on bottom plate；Unreel roller 11 and supported by unreeling roller bracket 10, and it is fixed
In on the bottom plate of casing 7, fiber collecting net 3 is unreeled by unreeling roller 11 and spread out, via four pairs of hot pressing rollers 6, finally in wind-up roll
Wound on son 8, winding roller 8 is fixed on the upper end of casing 7 with winding roller bracket 9；In four pairs of fixations of hot pressing rollers 6 and casing 7；
Suction wind apparatus 4 is fixed on hollow stent 5, and the both ends of hollow stent 5 are fixed on spinning manifold 7；Infrared radiation thermometer 19 is logical
Cross infrared radiation thermometer support 18 to be fixed on slide rail 12, and point to centrifugal pan 21, infrared heating pipe 20 is placed in the lower section of centrifugal pan 21；
In spin block component 2, support block 15, which is connected through a screw thread, to be fixed on slide rail 12, and baffle 29 is inserted into support block 15,
And it is heat-insulated by the insulating collar 16 of centre, contiguous block is threadedly secured on baffle 29, and the other end goes out with extrusion plasticizing device
Mouth connection, coverage block 28 are fixedly connected by circumferentially distributed screw with baffle 29, and centrifugal pan rotating shaft 35 is passed through among three
Through hole, and supported by bearing 27, hole inwall and bearing outer ring have insulating collar 16, and bearing 27 passes through bearing (ball) cover 26 and packing ring
Fixing seal, the one end of centrifugal pan rotating shaft 35 are connected by shaft coupling 36 with electric rotating machine 14, the other end by fixing nut with from
Cartridge connecting plate 23 is fixed, and centrifugal pan connecting plate 23 is connected by fixing bolt and centrifugal pan 21, the outer ring of baffle 29, is connected
Connect block 32 and be provided with heating collar 33 and baffle thermocouple 31.
A kind of centrifugal spinning of the utility model continuously prepares fiber membrane device, and its application method is：The first step, device and
The preparatory stage of material：The inspection in terms of the installation, sealing, electrical equipment of each device is carried out first, it is ensured that leakproof, non-material leakage are right
Processing etc. is dried in spinning material；Second step, each section of temperature of melt conveying, melt conveying are set according to the spinning parameter of accumulation
Flow, according to spinning speed and the setting of target fibers film thickness unreels and rolling speed；3rd step, warm-up phase：Open melt
Extrusion plasticizing device, spinning die head component and hot pressing roller isothermal control device, design temperature is increased to by temperature control segment；4th step,
Try spinning phase：Observe after each design temperature reaches, open melt extrusion plasticizing apparatus and simultaneously add spinning material until centrifugal pan
On when thering is the melt to occur, open electric rotating machine, on demand setting speed, finely tune extruded velocity and rotating speed, until fiber is homogeneous steady
It is fixed, open suction wind apparatus nanofiber and flown out from centrifugal pan, is adhered in the presence of air intake device on fiber collecting net；The
Five steps, stable operation stage：Examination spinning phase fiber is removed, unwinding device, hot pressing roller and wrap-up are opened, into fiber
The stable operation stage of preparation, while it is continuously added spinning material continuous spinning in melt extrusion plasticizing apparatus charge door.
The utility model one embodiment：Using PP materials as spinning material, melting temperature is 160-172 DEG C, decomposition temperature
For 320-330 DEG C, melt flow index 2000g/min.Set the extrusion channel electroheat pair 30 and baffle thermocouple of heating collar
31 heating-up temperatures are 250 DEG C, and centrifugation differential disk rotating speed is 4000r/min.According to above method step, gained fibre fineness reaches
Nanoscale, spinning efficiency are up to about 100g/h.
Claims (8)
1. a kind of centrifugal spinning continuously prepares fiber membrane device, it is characterised in that：Mainly include extrusion plasticizing device, spinning mould
Block assembly, fiber collecting net, suction wind apparatus, hollow stent, hot pressing roller, casing, winding roller, winding roller bracket, put
Winding up roller, unreel roller bracket, slide rail, electric machine support, electric rotating machine, infrared radiation thermometer, infrared radiation thermometer support, infrared heating
Pipe and shaft coupling, wherein extrusion plasticizing device is fixed on slide rail, and is connected with spin block, molten for spin block supply plasticizing
Body；Spin block component is fixed on slide rail entirely through threaded connection；Slide rail is fixed on box bottom, and can be on bottom plate
Back and forth slide；Roller is unreeled by unreeling roller bracket support, and is fixed on box bottom, fiber collecting net is put by unreeling roller
Volume is spread out, and via four pairs of hot pressing rollers, is finally wound on winding roller, winding roller is fixed on casing with winding roller bracket
Upper end；In four pairs of hot pressing rollers fixations and casing；Suction wind apparatus is fixed on hollow stent, and hollow stent both ends are fixed on
On spinning manifold；Infrared radiation thermometer is fixed on slide rail by infrared radiation thermometer support, and points to centrifugal pan, and infrared heating pipe is put
Below centrifugal pan.
2. a kind of centrifugal spinning according to claim 1 continuously prepares fiber membrane device, it is characterised in that：Spin block
Component includes support block, support block insulating collar, baffle, contiguous block, baffle heating collar, thermocouple, coverage block, centrifugal pan and turned
Axle, bearing, bearing (ball) cover, back-up ring, shaft coupling, fixing nut, centrifugal pan, centrifugal pan connecting plate and centrifugal pan fixing bolt, its
Middle support block, which is connected through a screw thread, to be fixed on slide rail, and baffle is inserted into support block, and heat-insulated by the insulating collar of centre, even
Connect block to be threadedly secured on baffle, the other end connects with the outlet of extrusion plasticizing device, and coverage block passes through circumferentially distributed
Screw is fixedly connected with baffle, and centrifugal pan rotating shaft passes through support block, coverage block and centrifugal pan intermediate throughholes, and by bearing branch
Support, has insulating collar, bearing is fixed by bearing (ball) cover and packing ring with the hole inwall and bearing outer ring of centrifugal pan shaft contacts
Sealing, centrifugal pan rotating shaft one end are connected by shaft coupling with electric rotating machine, and the other end passes through fixing nut and centrifugal pan connecting plate
Fixed, centrifugal pan connecting plate is connected by fixing bolt and centrifugal pan, and baffle outer ring, contiguous block are provided with heating collar and led
Block thermocouple is flowed, infrared heating pipe and infrared radiation thermometer are provided with below centrifugal pan.
3. a kind of centrifugal spinning according to claim 2 continuously prepares fiber membrane device, it is characterised in that：Baffle and
Runner is machined with coverage block respectively, both combine forms cooling water flow conduits and melt flow channel respectively.
4. a kind of centrifugal spinning according to claim 1 continuously prepares fiber membrane device, it is characterised in that：Centrifugal pan is most
There are a circle raised structures outer ring, and hundreds of differential grooves are circumferentially machined with raised structures.
5. a kind of centrifugal spinning according to claim 1 continuously prepares fiber membrane device, it is characterised in that：Outside centrifugal pan
Circle has certain inclination angle, inclination angle can in 10 ° to 30 ° value.
6. a kind of centrifugal spinning according to claim 1 continuously prepares fiber membrane device, it is characterised in that：
Centrifugal pan inner ring has a circle projection.
7. a kind of centrifugal spinning according to claim 1 continuously prepares fiber membrane device, it is characterised in that：Under centrifugal pan
Surface is coated with graphene layer, and/or centrifugal pan upper surface is coated with graphene layer.
8. a kind of centrifugal spinning according to claim 2 continuously prepares fiber membrane device, it is characterised in that：In centrifugal pan
One sealing ring with self-lubricating property is installed between connecting plate and coverage block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947548.6U CN207002970U (en) | 2017-08-01 | 2017-08-01 | A kind of centrifugal spinning continuously prepares fiber membrane device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947548.6U CN207002970U (en) | 2017-08-01 | 2017-08-01 | A kind of centrifugal spinning continuously prepares fiber membrane device |
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| CN207002970U true CN207002970U (en) | 2018-02-13 |
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| CN201720947548.6U Expired - Fee Related CN207002970U (en) | 2017-08-01 | 2017-08-01 | A kind of centrifugal spinning continuously prepares fiber membrane device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190421A (en) * | 2017-08-01 | 2017-09-22 | 北京化工大学 | A kind of centrifugal spinning continuously prepares fiber membrane device and method |
| CN112663228A (en) * | 2020-12-22 | 2021-04-16 | 陕西省石油化工研究设计院 | Method for preparing micro-nano-scale GF (glass fiber) and PP (polypropylene) composite material |
-
2017
- 2017-08-01 CN CN201720947548.6U patent/CN207002970U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190421A (en) * | 2017-08-01 | 2017-09-22 | 北京化工大学 | A kind of centrifugal spinning continuously prepares fiber membrane device and method |
| CN107190421B (en) * | 2017-08-01 | 2023-06-13 | 北京化工大学 | Device and method for continuously preparing fiber membrane by centrifugal spinning method |
| CN112663228A (en) * | 2020-12-22 | 2021-04-16 | 陕西省石油化工研究设计院 | Method for preparing micro-nano-scale GF (glass fiber) and PP (polypropylene) composite material |
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| 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: 20180213 Termination date: 20200801 |