CN110295404A - Automatic producing device and method are spun in a kind of centrifugation of plane receiving type - Google Patents
Automatic producing device and method are spun in a kind of centrifugation of plane receiving type Download PDFInfo
- Publication number
- CN110295404A CN110295404A CN201910431025.XA CN201910431025A CN110295404A CN 110295404 A CN110295404 A CN 110295404A CN 201910431025 A CN201910431025 A CN 201910431025A CN 110295404 A CN110295404 A CN 110295404A
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- Prior art keywords
- spinning
- spun
- receiving type
- centrifugation
- automatic producing
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/18—Formation of filaments, threads, or the like by means of rotating spinnerets
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/724—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged forming webs during fibre formation, e.g. flash-spinning
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
It is centrifuged the invention discloses a kind of plane receiving type and spins automatic producing device and method, the collection belt of continuous moving is arranged in the present invention below spinning device, after adjusting suitable height, the spinning solution moment that spinning device sprays when rotating at high speed forms fiber, and helically line decline is collected in collection belt, it is formed continuously to be centrifuged and spins web, centrifugation, which is spun to be entangled in wrap-up after web is compacted by compaction apparatus, ultimately forms centrifugation spinning fiber net volume;Entire production process is automatically performed, and is not necessarily to manual intervention;The present invention solves the problems, such as that the preparation of continuous filaments is spun in centrifugation, realizes centrifugation and spins mass production, is applicable to the production of the plyability of wide cut nonwoven fabric surface nanofiber or sub-micron fibers or the non-woven cloth of wide cut nanometer or submicron-scale.
Description
Technical field
The present invention relates to textile technology fields more particularly to a kind of centrifugation of plane receiving type to spin automatic producing device and side
Method.
Background technique
It is that one kind can be suitable for solution spinning simultaneously and melt the novel spinning technology spun that centrifugation, which is spun,.Centrifugation is spun in spinning
Spinning solution inside spinning device is projected and is formed by micropore by centrifugal force caused by high-speed rotating spinning device by Cheng Zhong
Elongated fibers, the material that can be prepared include inorganic material and high polymer material, the high feature of the yield spun in conjunction with centrifugation and its
The advantage of fibre, the fiber product of preparation simultaneously can be applied to the fields such as biological medicine, air filtration, the energy.
At present for centrifugal spinning, the moulding mechanism of fiber is furtherd investigate, and to be solved existing
Technical problem is how to realize that continuous produce in enormous quantities is spun in centrifugation;It is the improvement of feed and collection mode that centrifugation is spun first,
It is semicontinuous feeding system that feeding system is spun in traditional centrifugation, i.e., when carrying out centrifugation every time and spinning experiment, by syringe by spinning
Solution is input in the liquid storage cavity of spinning device, and spinning process is discontinuous mode;For collection mode, traditional annular is collected
Mode can not achieve batch production;Secondly, being then the promotion for the yield spun about centrifugation, although coming as novel spinning technology
Say, the obvious excellent Static Spinning of yield, but with traditional spining technology yield or lower, therefore the design and spinning of spinning device
Continuous feeding and collection mode are the directions of study on the industrialization.
For example, application No. is the patents of invention of CN201610424908.4 to provide a kind of titanium dioxide/polyacrylonitrile
(TiO2/ PAN) micro/nano-fibre film centrifugal spinning preparation method, propose centrifugation spinning equipment include motor, spinneret
With collection stick;Spinneret is mounted at the top of the shaft of motor and is driven by a motor rotation, has in spinneret and accommodates spinning solution
Cavity, liquid injection port is equipped at the top of spinneret, spinneret side wall is equipped with spinneret orifice be connected to the cavity, collects stick around spinning
The first circle setting of silk.When centrifugal spinning, spinneret is driven by a motor rotation, and spinning solution is sprayed from the spinneret orifice of spinneret,
It moves and is stretched between spinneret orifice and collection stick, while solvent volatilizees, and forms fiber, receive to obtain fiber by collecting stick
Film;Spinning is fixed on and collects between stick by such collection mode, and the fiber of acquisition is discontinuous short fibre, low efficiency, Wu Fashi
Existing continuous production.
Application No. is the patents of CN201820388681.7 to provide a kind of centrifugation electrostatic spinning apparatus, including including centrifugation
Spinning nozzle, be set to the reception device from above multifilament spray head, the driving mechanism of the driving centrifugal spinning spray head with
And for make between the centrifugal spinning spray head and reception device formed spinning solution needed for electrostatic field power supply unit, it is described from
Heart spinning nozzle circumference spaced radial is equipped with several and goes out wire hole, the centrifugal spinning spray head and spinning solution conveying device phase
Even;Reception device is located at top and the ground connection of centrifugal spinning spray head in this device, stretches under centrifugal force and electric field force effect
From the spinning jet of centrifugal spinning spray head, such electrostatic means, which not only can not achieve, to be continuously generated, and that there are energy consumptions is excessive, behaviour
The problem that the property made is low, safety coefficient is low.
Summary of the invention
Deficiency existing for production technology is spun for existing centrifugation, the present invention is intended to provide a kind of centrifugation of plane receiving type is spun certainly
The collection belt of continuous moving, after adjusting suitable height, spinneret is arranged in dynamic production equipment and method, the present invention below spinning device
The spinning solution moment that device sprays when rotating at high speed forms fiber, and helically line decline is collected in collection belt, most end form
Web is spun at continuously centrifugation.
The present invention is achieved by the following technical programs.
A kind of plane receiving type centrifugation spinning automatic producing device, including centrifugation spinning equipment, compaction apparatus and wrap-up;Institute
Centrifugation spinning equipment, compaction apparatus and wrap-up is stated to be sequentially arranged from front to back according to the direction of motion that web is spun in centrifugation;Institute
It states centrifugation spinning equipment and spins out centrifugation spinning web;Described in the centrifugation spinning web imports after compaction apparatus compacting
Wrap-up;Centrifugation is spun web and is wound by the wrap-up.
The centrifugation spinning equipment includes feeding device, device for spinning and collection device;The device for spinning is set to described
Above collection device, the collection device surface is formed with negative pressure, and negative pressure spins the centrifugation for being attached to the collection device surface
Web is adsorbed on the collection device.
The feeding device is fed to the device for spinning;The device for spinning carries out centrifugation spinning;The collection device is received
Collect centrifugation made of the device for spinning and spins web;Spinning environment temperature in the temperature control device adjustment rack, guarantees to spin
Silk raw material is in best spinning state;The control system controls a whole set of plane receiving type centrifugation and spins equipment automatic running.
Further, the device for spinning includes at least a set of electrospinning unit configured with spinning appts, can according to from
The heart spins the thickness requirement of web, selects the number of electrospinning unit.
Further, the electrospinning unit includes the traverse displacement unit being fixedly mounted on the rack, and the spinning appts are symmetrical
It is mounted on traverse displacement unit two sides;The traverse displacement unit drives the spinning appts to do horizontal reciprocating fortune above the collection device
It is dynamic, so that the spinning that the spinning appts spray is covered on entire collection device.
The traverse displacement unit includes fixed bracket, the transverse motion unit being mounted on fixed bracket and traversing strut;Institute
Fixed bracket both ends are stated to be mounted on the rack;Mounting plate is installed on the sliding block of the transverse motion unit;The traversing strut
It is mounted on the mounting plate, the transverse motion unit drives the traversing strut to do horizontal reciprocating movement by mounting plate.
Further, two sets of spinning appts are separately mounted to two traversing strut both ends.
The spinning appts further include hollow shaft;The passage is arranged in the centre bore of hollow shaft, with the center
Hole does not contact;The spinning device is fixedly mounted on the hollow shaft lower end;The passage upper end, which is connected through a screw thread, to be fixed on
In the buffer tank, fixed connection place installs anti-corrosive rubber pad additional and is sealed processing, and lower end is inserted into spinning device;The spinneret
Device is fixedly mounted on the hollow shaft lower end;Spinning solution in the buffer tank is entered in spinning device by passage, described
At least one through-hole is machined on spinning device, the spinning solution can be projected in spinning device high speed rotation out of described through-hole.
In order to guarantee that spinning solution will not leak out, anti-corrosive rubber pad is added between the buffer tank and end cap.
Connector is installed, spinning solution is pumped into the buffer tank by the connector by the feeding device on the end cap
It is interior.
It also processes fluted on the buffer tank, and armorplate glass is installed on groove, is convenient for artificial observation material position
Situation.
In order to make spinning device high speed rotation, the spinning appts further include motor, driving pulley, driven pulley with it is synchronous
Band;Driving pulley described in the output axis connection of the motor;The driven pulley and hollow axis connection;The synchronous belt is covered in institute
It states on driving pulley and the driven pulley;The direct current generator drives the driving pulley rotation, and the driving pulley passes through
Synchronous belt and driven pulley drive the hollow shaft rotation;Since the spinning device is fixedly mounted on the hollow shaft lower end, institute
It is rotated together with the spinning device and the hollow shaft.
The spinning appts further include caching tank bracket, direct current generator bracket and support plate;The caching tank bracket and straight
Galvanic electricity machine support is each attached in the support plate.
In order to adjust the height of the spinning device, to guarantee the appropriate distance between spinning device and collection device, the spray
Silk device further includes adjusting screw rod, nut, adjustable plate, guide rod and substrate;The adjusting screw rod is mounted on described by bearing block
On adjustable plate, and cooperating with the nut being mounted on the adjustable plate, the upper end of the guide rod is connect with the adjustable plate,
Lower end is through the substrate and is mounted in the support plate.
Further, the spinning appts further include linear bearing, and the linear bearing is fixedly mounted on the substrate,
The leader casing is in the linear bearing;The adjusting screw rod upper end is fixedly installed with handwheel.
It can be manually rotated the handwheel, drive the adjusting screw rod to rotate in the nut, adjust the adjustable plate and institute
State the distance between substrate, so as to adjust with the distance between, since the traversing strut is fixed, so that the branch
The height of spinning device on fagging changes.
When the spinning device high speed rotation, the spinning solution is projected out of through-hole on spinning device, air drag,
Under the stickiness power of fluid and the collective effect of the inertia force of itself, the effect of a pair of of axial tensile force is generated upwards in Jet Axis
Under, diffusivity jet stream is formed in fan-shaped region, spinning radius becomes larger at this time;And then, since the height of spinning device is spun in centrifugation
Speed rotation, caused by airflow field start to jet stream guiding property drawing-off, and under gravity, jet path is gradually
It offsets downward, and spinning radius is in gradually become smaller, it is finally formed after the process of the generation of jet stream, stretching, constriction in this way
Helically line declines and is collected on the collection device fiber, ultimately forms uniform centrifugation and spins web.
The feeding device includes the storage tank and flow pump for being provided with spinning solution;The storage tank passes through pipeline and institute
Flow pump connection is stated, the flow pump and several described buffer tanks pass through piping connection.
Electric switching valve is provided on pipeline between the flow pump and the buffer tank;The flow pump is constantly in
Whether working condition, the electric switching valve control spinning solution enter in the buffer tank.
Liquidometer is provided in the storage tank;When the spinning solution liquid level in the storage tank is lower than the liquidometer
When position, the liquidometer sends a signal to the control system, and the control system is sounded an alarm to operator, by artificial
The feed supplement into the storage tank.
Liquidometer is also equipped on the buffer tank;When the spinning solution in a buffer tank in several is lower than
When the liquidometer height, the liquidometer in the buffer tank sends a signal to the control system, the control system
It controls electric switching valve corresponding with buffer tank described in this to open, the spinning solution in pipeline enters in the buffer tank.
Flowmeter is additionally provided on pipeline between the flow pump and the buffer tank;When the electric switching valve is opened
When being fed to the buffer tank, the flowmeter detection enters the flow of the spinning solution in the buffer tank, sets when reaching
After value, the flowmeter sends signal to control system, and the control system control controls the electric switching valve and closes, stops
It is fed to the buffer tank.
Blender is installed on the storage tank;While being fed to the buffer tank, the blender is to the storage
Spinning solution in batch can is stirred.
The collection device includes transmission traction device and collection belt;The collection belt is endless belt, is covered in the transmission
On traction device;The transmission traction device drives the collection belt to do shuttling movement.
In the collection belt following settings support plate, it has been used to support collection belt, has guaranteed that collection belt is in horizontality, just
In the web that collection is formed by spinning solution.
When the spinning device high speed rotation, in spinning solution spray, moment of ejection is due to centrifugal force and power
Under effect, spinning solution is attached in the collection belt rapidly at silk and forms web;The collection belt travels forward, institute
It is evenly laid out in the collection belt to state web.
To prevent from being spun into solution corrosion, the material of the collection belt is polytetrafluoroethylene (PTFE).
Since spinning solution sprays, the web to be formed is lighter, and air blows web when to prevent the collection belt from moving
It rises and is detached from the collection belt, reticular structure is made in the collection belt, and process densely covered through-hole in the support plate;?
Extractor fan is installed below the support plate;Negative pressure is formed in the collection belt surface, negative pressure will be attached to the collection belt table
The centrifugation in face is spun web and is adsorbed in the collection belt.
The temperature control device, including several electric heating tubes and several set refrigerating plants;Several described electric heating tubes are equal
Cloth is above the device for spinning;The rack surrounding and top are provided with isolation cover plate, are formed with the collection belt semiclosed
Cavity, several described electric heating tubes heat the air of inside cavity, guarantee have certain temperature in cavity, are spinning
Suitable temperature environment is provided.
If environment temperature is higher, need to the semi-enclosed cavity cooling in the rack, so the temperature control device also wraps
Include refrigerating plant;The refrigerating plant is fixedly mounted on the frame top, cools down to the semi-enclosed cavity.
The compaction apparatus includes compacting rack, cylinder, pressure roller mounting plate, pressure roller, rotating roller and sliding rail;The pressure roller peace
Loading board both ends are fixedly installed with the sliding block with sliding rail cooperation, and two sliding rails are respectively and fixedly installed to compacting rack two
Side;The piston rod of the cylinder connects the pressure roller mounting plate by floating junction.
The pressure roller is slided on the slide rail by the pressure roller mounting plate and sliding block;The cylinder will be pacified by floating junction
The pressure roller on the pressure roller mounting plate pushes down on;The pressure roller is bonded and compresses with the rotation axis, will pass through pressure
Web compacting is spun in the centrifugation that actual load is set.
It is pulled apart to prevent from being centrifuged spinning web in compacting process by wrap-up, further, the compacting in the present invention
Device further includes compacting driven sprocket, compacting chain, compacting drive sprocket and driving motor;The compacting drive sprocket is mounted on
In the driving motor output shaft, the compacting driven sprocket is mounted on described rotating roller one end, and by being set in outside
The compacting chain is connect with the compacting drive sprocket;The driving motor passes through the drive sprocket and the compacting chain
The compacting driven sprocket is driven to rotate;The compacting driven sprocket drives the rotating roller rotation;The centrifugation described in this way is spun fine
During dimension net is compacted, the rotating roller rotation is played the role of drawing centrifugation spinning web.
The wrap-up include upper winding frame, the first guide roller, limit roller, tension adjustment roller, the second guide roller and
Wind-up roll;The centrifugation spins web and imports the wrap-up by the limit roller by first guide roller, by described
It is wrapped on the wind-up roll after tension adjustment roller and the second guiding roller guide.
The limit roller is arranged in the oblique upper of first guide roller, guarantees that the centrifugation spins web described the
Between one guide roller and the limit roller.
The upper winding frame two sides are equipped with guide pad, and processing is fluted in the guide pad;The tension adjustment roller
Both ends be separately mounted in the groove of two guide pads;The tension adjustment roll-in is spun on web in the centrifugation,
The tensile force that web is spun in the centrifugation is adjusted by self gravity.
Further, the upper winding frame two sides, are additionally provided with clamping mechanism;The wind-up roll both ends are stuck in two
It covers in clamping mechanism;The clamping mechanism by the wind-up roll and on bearing be stuck in the groove in the clamping mechanism, institute
Wind-up roll is stated to rotate freely in the clamping mechanism;After completing winding function, by the way that the clamping mechanism, institute is manually operated
The clamping mechanism can be detached from easily by stating wind-up roll.
To complete winding function, wind-up roll needs lasting rotation;Therefore, the wrap-up in the present invention further includes winding electricity
Machine, winding drive sprocket, winding chain, winding driven sprocket and winding driven shaft;The winding drive sprocket is mounted on described
On the output shaft of winding motor;The winding driven shaft is mounted in the upper winding frame by bearing block, one end installation
Driven sprocket is wound, the other end connects the driving gear;The winding chain cover the winding drive sprocket and winding from
On movable sprocket;The winding roll end is equipped with the driven gear with driving gear cooperation.
The winding motor by winding drive sprocket and winding chain drive wind driven sprocket rotation, it is described winding from
Movable sprocket is rotated together with winding driven shaft;The winding driven shaft rotates when rotating with driving gear, and driving gear will
Power passes to wind-up roll by driven gear, the sustainable rotation of wind-up roll described in this way.
During winding, the centrifugation spins web and is possible to sideslip;So the wrap-up, further includes entangling
Deflection device;The deviation correcting device is mounted on the upper winding frame lower part, adjusts the position of the upper winding frame to prevent from running
Partially.
The deviation correcting device include lower winding frame, correction sliding rail, the correction sliding block that is connect with the upper winding frame and
Servo motor;The output shaft of the servo motor is fixedly connected with upper winding frame;Several correction sliding rails are symmetricly set on
In lower winding frame;Several correction sliding blocks match to merge with the correction sliding rail respectively to be slided on the correction sliding rail.
The servo motor drives the upper winding frame to slide on the correction sliding rail by the correction sliding block;This
Sample adjusts the position of the wind-up roll, prevents from winding sideslip when web is spun in the centrifugation.
The control system controls package unit automatic running, and mainly controlling technological parameter includes: feed quantity, spinneret
The revolving speed of device, the temperature of spinning environment, the movement velocity of collection belt.
As another structure type, a kind of plane receiving type centrifugation spinning equipment further includes being arranged in the centrifugation to spin dress
The unwinding device for the front end set;Substrate cloth is wound on the unwinding device, the substrate cloth penetrates the centrifugation and spins dress
In setting, and it is laid in the collection belt;Substrate cloth end is wrapped on the wind-up roll on the wrap-up.
The unwinding device include let off roll, unreel rack and along substrate cloth the direction of motion be sequentially arranged and it is solid
Dingan County is mounted in and unreels the second guide roller in rack, third guide roller and the first guide roller.
Further, the unwinding device further includes clamping mechanism, and the clamping mechanism, which is fixedly mounted on, unreels rack two
Side.
Further, the unwinding device further includes deviation correcting device, the deviation correcting device be set to it is described unreel frame lower,
Its structure is identical as the deviation correcting device structure in the wrap-up.
The let off roll is air-expanding shaft, and when upper volume, the let off roll is non-aerating, manually covers entire volume substrate cloth described
On let off roll, the volume substrate cloth is fixed on the let off roll by the let off roll inflation distending;Manually again by clamping machine
Structure is opened, and the let off roll both ends are caught in the clamping mechanism.
Another structure type of the spinning appts is equipped at least one spinneret on the spinning device;Shown spray
The shape of silk mouth is the gradually smaller taper of internal diameter;The spinning solution in the spinning device is projected by the spinneret.
Another structure type of the spinning appts is equipped at least one spinneret on the spinning device;Shown spray
Silk mouth is stepped form;The spinning solution in the spinning device is projected by the spinneret.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention breaches the existing centrifugation spinning collected based on annular and the centrifugation spinning technique based on electrostatic collection, solves
The preparation problem of continuous filaments is spun in centrifugation, is realized centrifugation and is spun mass production, is applicable to wide cut nonwoven fabric surface and receives
The production of the non-woven cloth of the plyability or wide cut nanometer or submicron-scale of rice fiber or sub-micron fibers;Entire production process
It is automatically performed, is not necessarily to manual intervention;
2) present invention is in the collection belt of spinning device arranged beneath continuous moving, and after adjusting suitable height, spinning device is in height
The spinning solution moment sprayed when speed rotation forms fiber, and helically line decline is collected in collection belt, ultimately forms continuous
Web is spun in continuous centrifugation;
3) present invention is done above collection belt along collection belt width direction horizontal past using traverse displacement unit drive spinning appts
Multiple movement realizes the non-woven production of wide cut so that the spinning that spinning device sprays is covered in entire collection belt.
4) present invention installs deviation correcting device additional on unwinding device and wrap-up, realizes the automatic deviation correction in production process.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention 1
Fig. 2 is the centrifugation spinning equipment schematic diagram in the embodiment of the present invention 1
Fig. 3 is the device for spinning schematic diagram in the embodiment of the present invention 1
Fig. 4 is the electrospinning unit schematic diagram in the embodiment of the present invention 1
Fig. 5 is the electrospinning unit cross-sectional view in the embodiment of the present invention 1
Fig. 6 is the feeding device schematic diagram in the embodiment of the present invention 1
Fig. 7 is the collection device schematic diagram in the embodiment of the present invention 1
Fig. 8 is the compaction apparatus schematic diagram in the embodiment of the present invention 1
Fig. 9 is the compaction apparatus schematic three dimensional views in the embodiment of the present invention 1
Figure 10 is the wrap-up schematic three dimensional views in the embodiment of the present invention 1
Figure 11 is the wrap-up cross-sectional view in the embodiment of the present invention 1
Figure 12 is the schematic diagram of the embodiment of the present invention 2
Figure 13 is the unwinding device schematic three dimensional views in the embodiment of the present invention 2
Figure 14 is the electrospinning unit cross-sectional view in the embodiment of the present invention 3
Figure 15 is the electrospinning unit cross-sectional view in the embodiment of the present invention 4
(a), (b), (c) are respectively the fiber Electronic Speculum produced using PVB solution, PVB and PAN solution, PAN solution in Figure 16
Photo
(a) in Figure 17, (b), (c), (d) are respectively when using PAN liquid quality fraction as 18%, 19%, 20%, 21%
The fiber electromicroscopic photograph of production
(a), (b), (c), (d) are the fibre diameter frequency produced when using PAN liquid quality fraction as 19% in Figure 18
Distribution histogram
(a) in Figure 19, (b), (c), (d) be respectively 0s, 15s when using PVB solution, spinning device revolving speed as 5000r/min,
The fiber electromicroscopic photograph of 30s and 45s production
(a) in Figure 20, (b), (c), (d) be respectively 0s, 15s when using PVB solution, spinning device revolving speed as 6000r/min,
The fiber electromicroscopic photograph of 30s and 45s production
(a) in Figure 21, (b), (c), (d) be respectively 0s, 15s when using PVB solution, spinning device revolving speed as 7000r/min,
The fiber electromicroscopic photograph of 30s and 45s production
(a) in Figure 22, (b), (c), (d) be respectively 0s, 15s when using PVB solution, spinning device revolving speed as 8000r/min,
The fiber electromicroscopic photograph of 30s and 45s production
(a), (b), (c), (d) are respectively respectively 10 DEG C, 25 DEG C, 40 using PVB solution, spinneret environment temperature in Figure 23
DEG C, 55 DEG C production fiber electromicroscopic photographs
(a), (b), (c), (d) are respectively using PVB solution, using 0s, 15s, 30s when the equipment of embodiment 4 in Figure 24
With the fiber electromicroscopic photograph of 45s production
(a), (b), (c), (d) are respectively using PVB solution, using 0s, 15s, 30s when the equipment of embodiment 3 in Figure 25
With the fiber electromicroscopic photograph of 45s production
(a) in Figure 26, (b), (c), (d) be respectively when using PVB solution, spinning device aperture as 0.64 0s, 15s, 30s and
The fiber electromicroscopic photograph of 45s production
(a) in Figure 27, (b), (c), (d) be respectively when using PVB solution, spinning device aperture as 0.41 0s, 15s, 30s and
The fiber electromicroscopic photograph of 45s production
(a) in Figure 28, (b), (c), (d) be respectively when using PVB solution, spinning device aperture as 0.25 0s, 15s, 30s and
The fiber electromicroscopic photograph of 45s production
(a), (b), (c), (d) are respectively to use the distance between PVB solution, spinning device and collection belt for 40mm in Figure 29
When 0s, 15s, 30s and 45s production fiber electromicroscopic photograph
(a), (b), (c), (d) are respectively to use the distance between PVB solution, spinning device and collection belt for 50mm in Figure 30
When 0s, 15s, 30s and 45s production fiber electromicroscopic photograph
(a), (b), (c), (d) are respectively to use the distance between PVB solution, spinning device and collection belt for 60mm in Figure 31
When 0s, 15s, 30s and 45s production fiber electromicroscopic photograph
In figure: 1, being centrifuged spinning equipment;2, compaction apparatus;3, wrap-up;4, unwinding device;5, web is spun in centrifugation;6,
Substrate cloth;11, rack;12, feeding device;13, device for spinning;14, collection device;15, temperature control device;16, control system;
131, electrospinning unit;132, traverse displacement unit;133, spinning appts;132, traverse displacement unit;1321, fixed bracket;1322, traversing fortune
Moving cell;1324, traversing strut;1337, direct current generator;1338, driving pulley;1339, driven pulley;1340, spinning device;
1342, buffer tank;1343, end cap;1344, passage;1345, hollow shaft;1346, synchronous belt;1348, through-hole;1349, recessed
Slot;1351, tank bracket is cached;1352, linear motor bracket;1353, support plate;1332, screw rod is adjusted;1350, nut;
1333, adjustable plate;1334, guide rod;1335, linear bearing;1336, substrate;121, storage tank;123, flow pump;124, electronic
Switch valve;122, liquidometer;125, flowmeter;126, blender;141, transmission traction device;142, collection belt;143, it supports
Plate;151, electric heating tube;152, refrigerating plant;201, it is compacted rack;202, cylinder;211, pressure roller mounting plate;210, pressure roller;
207, rotating roller;213, sliding rail;206, driving motor;205, it is compacted drive sprocket;204, it is compacted chain;203, it is compacted driven chain
Wheel;306, upper winding frame;303, the first guide roller;302, limit roller;305, tension adjustment roller;301, the second guide roller;
319, wind-up roll;304, guide pad;305, tension adjustment roller;317, clamping mechanism;312, winding motor;314, drive chain is wound
Wheel;315, chain is wound;316, driven sprocket is wound;321, driven shaft is wound;322, deviation correcting device;313, lower winding frame;
311, correction sliding rail;307, correction sliding block;309, linear servo-actuator;310, motor fixing seat;308, attachment base;Let off roll
401, rack 402, third guide roller 403 are unreeled;1354, spinneret.
Specific embodiment
Clear, complete description is carried out below with reference to technical solution of the attached drawing to various embodiments of the present invention, it is clear that is retouched
The embodiment stated is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, originally
Field those of ordinary skill obtained all other embodiment without making creative work, belongs to this hair
Bright protected range
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, automatic producing device, including centrifugation spinning equipment 1, compaction apparatus 2 are spun in a kind of plane receiving type centrifugation
With wrap-up 3;The centrifugation spinning equipment 1, compaction apparatus 2 and wrap-up 3 according to centrifugation spin the direction of motion of web 5 from
Front to back is sequentially arranged;The centrifugation spinning equipment 1 spins out centrifugation and spins web 5;The centrifugation spins web 5 and passes through the pressure
Actual load imports the wrap-up 3 after setting 2 compactings;Centrifugation is spun web 5 and is wound by the wrap-up 3.
As shown in Fig. 2, the centrifugation spinning equipment 1 include rack 11, feeding device 12, device for spinning 13, collection device 14,
Temperature control device 15 and control system 16;The feeding device 12 is fixedly mounted on 11 bottom of rack;The temperature control device 15 is fixed
It is mounted on 11 top of rack;The collection device 14 is fixedly mounted on 11 middle part of rack;The device for spinning 13 is set
It is placed in 14 top of collection device, and is fixedly mounted in rack 11;The control system 16 is fixedly mounted on rack 11 1
Side.
The feeding device 12 is fed to the device for spinning 13;The device for spinning 13 carries out centrifugation spinning;The collection
Device 14 collects centrifugation made of the device for spinning 13 and spins web;The temperature control device 15 adjusts the spinning ring in rack 11
Border temperature guarantees that spinning material is in best spinning state;The control system 16 controls a whole set of plane receiving type centrifugation and spins dress
Standby automatic running.
The device for spinning 13, including at least a set of electrospinning unit 131, according to centrifugation spin web 5 thickness requirement,
Select the number of electrospinning unit 131.
As shown in figure 3, the electrospinning unit 131 includes that traverse displacement unit 132 and two sets are symmetrically mounted on 132 liang of traverse displacement unit
The spinning appts 133 of side;The traverse displacement unit 132 is fixedly mounted in rack 11;The traverse displacement unit 132 drives the spinneret
Device 133 does horizontal reciprocating movement above the collection device 14, so that the spinning that the spinning appts 133 spray is covered on
On entire collection device 14.
The traverse displacement unit 132 includes fixed bracket 1321, transverse motion unit 1322 and traversing strut 1324;It is described solid
Fixed rack 1321 be it is I-shaped, both ends are fixedly mounted in rack 11;The transverse motion unit 1322 is fixedly mounted on fixation
On bracket 1321;Mounting plate 1323 is fixedly installed on the sliding block of the transverse motion unit 1322;Two traversing struts
1324 are fixedly mounted on mounting plate 1323;The transverse motion unit 1322 drives traversing strut 1324 by mounting plate 1323
It moves horizontally;Two sets of spinning appts 133 are separately mounted to two traversing 1324 both ends of strut.
As illustrated in figures 4-5, the spinning appts 133 include buffer tank 1342, passage 1344, hollow shaft 1345 and spinneret
Device 1340;The passage 1344 is arranged in the centre bore of hollow shaft 1345, does not contact with the centre bore;The passage
1344 upper ends, which are connected through a screw thread, to be fixed in the buffer tank 1342, and fixed connection place installs anti-corrosive rubber pad additional and is sealed
Processing, lower end are inserted into spinning device 1340;The spinning device 1340 is fixedly mounted on 1345 lower end of hollow shaft;The caching
Spinning solution in tank 1342 is entered in spinning device 1340 by passage 1344, is machined at least one on the spinning device 1340
A through-hole 1348, the spinning solution can be projected in 1340 high speed rotation of spinning device out of described through-hole 1348.
In order to guarantee that spinning solution will not leak out, corrosion-resistant rubber is added between the buffer tank 1342 and end cap 1343
Rubber mat.
Connector is installed, spinning solution is pumped into described by the feeding device 12 by the connector on the end cap 1343
In buffer tank 1342.
Fluted 1349 are also processed on the buffer tank 1342, and armorplate glass 1341 is installed on groove 1349,
Convenient for artificial observation material position situation.
In order to make 1340 high speed rotation of spinning device, the spinning appts 133 further include direct current generator 1337, driving pulley
1338, driven pulley 1339 and synchronous belt 1346;The driving pulley 1338, which is connected by key, is fixedly mounted on direct current generator
On 1337 output shaft;The driven pulley 1339, which is connected by key, to be fixedly mounted in the hollow shaft 1345;The synchronization
1346 sets of band on the driving pulley 1338 and the driven pulley 1339;The direct current generator 1337 drives the main belt
1338 rotation of wheel, the driving pulley 1338 drive 1345 turns of the hollow shaft by synchronous belt 1346 and driven pulley 1339
It is dynamic;Since the spinning device 1340 is fixedly mounted on 1345 lower end of hollow shaft, so the spinning device 1340 and the sky
Mandrel 1345 rotates together.
The spinning appts 133 further include caching tank bracket 1351, linear motor bracket 1352 and support plate 1353;It is described
Caching tank bracket 1351 is for fixing the buffer tank 1342;The direct current generator bracket 1352 is for fixing the direct current generator
1337;The caching tank bracket 1351 and linear motor bracket 1352 are each attached in the support plate 1353.
In order to adjust the height of the spinning device 1340, with guarantee between spinning device 1340 and collection device 14 it is reasonable away from
From the spinning appts 133 further include adjusting screw rod 1332, nut 1350, adjustable plate 1333, guide rod 1334, linear bearing
1335 and substrate 1336;Two 1334 lower ends of guide rod are fixedly mounted on the support plate 1353;The substrate 1336 is fixed
It is mounted on the traversing strut 1324;Two linear bearings 1335 are fixedly mounted on the substrate 1336;Two institutes
Guide rod 1334 is stated to be respectively fitted on two linear bearings 1335;The upper end of two guide rods 1334 and the adjustable plate
1333 are fixedly connected;The nut 1350 is fixedly mounted on the adjustable plate 1333;The adjusting screw rod 1332 and nut
1350 cooperations;1332 lower end of adjusting screw rod is fixedly mounted on the adjustable plate 1333 by bearing block;The tune
Section 1332 upper end of screw rod is fixedly installed with handwheel 1331.
It can be manually rotated the handwheel 1331, the adjusting screw rod 1332 driven to rotate in the nut 1350, adjust institute
The distance between adjustable plate 1333 and the substrate 1336 are stated, so as to adjust the distance between 1324 and 1353, due to the cross
It is fixed to move strut 1324, so that the height of the spinning device 1340 in the support plate 1353 changes.
When 1340 high speed rotation of spinning device, the spinning solution is penetrated out of through-hole 1348 on spinning device 1340
Out, it under the collective effect of air drag, the stickiness power of fluid and the inertia force of itself, is generated upwards in Jet Axis a pair of axial
Under the action of drawing force, diffusivity jet stream is formed in fan-shaped region, spinning radius becomes larger at this time;And then, due to centrifugation
Spin the high speed rotation of spinning device, caused by airflow field start to jet stream guiding property drawing-off, and under gravity,
Jet path deviates gradually downward, and spinning radius passes through the process of the generation, stretching, constriction of jet stream in gradually becoming smaller in this way
Helically line declines and is collected on the collection device 14 finally formed fiber afterwards, ultimately forms uniform centrifugation and spins fiber
Net 5.
As shown in fig. 6, the feeding device 12 includes storage tank 121 and flow pump 123;The storage tank 121 passes through pipe
Road is connect with the flow pump 123, and the flow pump 123, by piping connection, is simultaneously with several described buffer tanks 1342
Several described buffer tanks 1342 are fed;The storage tank 121 is provided with spinning solution;The flow pump 123 is by the storing
Spinning solution in tank 121 is pumped into several described buffer tanks 1342.
Electric switching valve 124 is provided on pipeline between the flow pump 123 and the buffer tank 1342;The flow
Pump 123 is constantly in working condition, and the electric switching valve 124 controls whether spinning solution enters in the buffer tank 1342.
Liquidometer 122 is provided in the storage tank 121;When the spinning solution liquid level in the storage tank 121 is lower than institute
When stating the position of liquidometer 122, the liquidometer 122 sends a signal to the control system 16, and the control system 16 is to behaviour
It is sounded an alarm as personnel, from the manually feed supplement into the storage tank 121.
Liquidometer 122 is also equipped on the buffer tank 1342;When in a buffer tank 1342 in several
When spinning solution is lower than 122 height of liquidometer, the liquidometer 122 in the buffer tank 1342 sends a signal to described
Control system 16, the control system 16 control electric switching valve 124 corresponding with buffer tank 1342 described in this and open, pipe
Spinning solution in road enters in the buffer tank 1342.
Flowmeter 125 is additionally provided on pipeline between the flow pump 123 and the buffer tank 1342;When described electronic
Switch valve 124 is opened when being fed to the buffer tank 1342, and the flowmeter 125 detection enters the spinning in the buffer tank 1342
The flow of silk solution, after reaching setting value, the flowmeter 125 sends signal, the control system 16 to control system 16
Control controls the electric switching valve 124 and closes, and stops being fed to the buffer tank 1342.
Blender 126 is installed on the storage tank 121;While being fed to the buffer tank 1342, the stirring
Device 126 is stirred the spinning solution in the storage tank 121.
As shown in fig. 7, the collection device 14 includes transmission traction device 141 and collection belt 142;The transmission traction dress
141 are set to be mounted in rack 11;Endless belt is made in the collection belt 142, covers on the transmission traction device 141;The biography
Dynamic traction device 141 drives the collection belt 142 to fix the shuttling movement in direction.
In the 142 following settings support plate 143 of collection belt, it has been used to support collection belt 142, has been guaranteed at collection belt 142
In horizontality, convenient for collecting the web formed by spinning solution.
When 1340 high speed rotation of spinning device, in spinning solution spray, moment of ejection due to centrifugal force and
Under the action of power, spinning solution is attached in the collection belt 142 rapidly at silk and forms web;The collection belt 142 to
Preceding movement, the web are evenly laid out in the collection belt 142.
To prevent from being spun into solution corrosion, the material of the collection belt 142 is polytetrafluoroethylene (PTFE).
Since to spray the web to be formed lighter for spinning solution, air is by fiber when to prevent the collection belt 142 from moving
Net blows afloat and is detached from the collection belt 142, reticular structure is made in the collection belt 142, and process in the support plate 143
Densely covered through-hole;Extractor fan is installed below the support plate 143;Negative pressure is formed on 142 surface of collection belt, negative pressure will
The centrifugation for being attached to 142 surface of collection belt is spun web 5 and is adsorbed in the collection belt 142.
The movement velocity of the collection belt 142 is 0-10m/min.
According to measuring, the distance between the spinning device and collection belt 142 are 0-100mm, and spinning effect is best.
The temperature control device 15 includes several electric heating tubes 151 and several set refrigerating plants 152;Several described electricity add
Heat pipe 151 is evenly arranged on 13 top of device for spinning;11 surrounding of rack and top are provided with isolation cover plate, with the collection
Band 142 forms semi-enclosed cavity, several described electric heating tubes 151 heat the air of inside cavity, guarantees in cavity
Have certain temperature, suitable temperature environment is provided for spinning.
If environment temperature is higher, need to the semi-enclosed cavity cooling in the rack 11, so the temperature control device 15
It further include refrigerating plant 152;The refrigerating plant 152 is fixedly mounted on 11 top of the rack, to the semi-enclosed cavity into
Row cooling.
As Figure 8-9, the compaction apparatus 2 includes compacting rack 201, cylinder 202, pressure roller mounting plate 211, pressure roller
210, rotating roller 207 and sliding rail 213;Two cylinders 202 are symmetrically and fixedly mounted to 201 top of compacting rack;Two
The sliding rail 213 is respectively and fixedly installed to compacting 201 two sides of rack;Floating junction is installed on the piston rod of the cylinder 202
212;The other end of the floating junction 212 is mounted on the pressure roller mounting plate 211;211 both ends of pressure roller mounting plate are solid
Dingan County is equipped with sliding block 209;The sliding block 209 is mounted on sliding rail 213;The pressure roller 210 is fixedly mounted on institute by bearing block
It states on pressure roller mounting plate 211;The rotating roller 207 is fixedly mounted in the compacting rack 201 by bearing block.
The pressure roller 210 is slided on sliding rail 213 by the pressure roller mounting plate 211 and sliding block 209;The cylinder 202
The pressure roller 210 being mounted on the pressure roller mounting plate 211 is pushed down on by floating junction 212;The pressure roller 210 and institute
It states rotation axis 207 to be bonded and compress, be compacted web 5 is spun by the centrifugation of compaction apparatus 2.
To prevent in compacting process, the centrifugation is spun web 5 and is pulled apart by wrap-up 3, the compaction apparatus 2, also
Including driving motor 206, compacting drive sprocket 205, compacting chain 204 and compacting driven sprocket 203;The driving motor 206
It is fixedly mounted on 201 lower part of compacting rack;The compacting drive sprocket 205, which is connected by key, is fixedly mounted on the driving
On motor 206;The compacting driven sprocket 203, which is connected by key, is fixedly mounted on described 207 one end of rotating roller;The compacting chain
204 sets of item on the drive sprocket and driven sprocket;The driving motor 206 passes through the drive sprocket and the compacting chain
Item 204 drives the compacting driven sprocket 203 to rotate;The compacting driven sprocket 203 drives the rotating roller 207 to rotate;This
Centrifugation described in sample is spun during web 5 is compacted, and the rotating roller 207 rotates, play to centrifugation spinning web 5 into
The effect of row traction.
As shown in figs. 10-11, the wrap-up 3 include upper winding frame 306, the first guide roller 303, limit roller 302,
Tension adjustment roller 305, the second guide roller 301 and wind-up roll 319;Spin the direction of motion of web 5 according to the centrifugation, described the
One guide roller 303, limit roller 302, tension adjustment roller 305, the second guide roller 301 and wind-up roll 319 are successively set on described
In winding frame 306;The centrifugation spins web 5 and imports the wrap-up 3 by first guide roller 303, by described
It is wrapped on the wind-up roll 319 after power adjustment roller 305 and second guide roller 301 guiding.
The oblique upper of first guide roller 303 is arranged in the limit roller 302, guarantees that the centrifugation spins web 5
Between first guide roller 303 and the limit roller 302.
306 two sides of upper winding frame are equipped with guide pad 304;Processing is fluted in the guide pad 304;Described
The both ends of power adjustment roller 305 are separately mounted in the groove of two guide pads 304, and are slided in groove;The tension
Adjustment roller 305 is pressed in the centrifugation and spins on web 5, adjusts the tensile force that web 5 is spun in the centrifugation by self gravity.
306 two sides of upper winding frame are additionally provided with clamping mechanism 317;319 both ends of wind-up roll are stuck in two
It covers in clamping mechanism 317;The clamping mechanism 317 by the wind-up roll 319 and on bearing be stuck in the clamping mechanism 317
Groove in, the wind-up roll 319 rotates freely in the clamping mechanism 317;After completing winding function, by grasping manually
Make the clamping mechanism 317, the wind-up roll 317 can be detached from the clamping mechanism 317 easily.
To complete winding function, the wind-up roll 319 needs persistently to rotate;So the wrap-up 3, further includes receiving
Roll up motor 312, winding drive sprocket 314, winding chain 315, winding driven sprocket 316 and winding driven shaft 321;The winding
Motor 312 is fixedly mounted on upper 306 bottom of winding frame;The winding drive sprocket 314 is connected by key fixation
It is mounted on the output shaft of the winding motor 312;The winding driven shaft 321 is mounted on the winding frame by bearing block
On 306;It is connected by key the one end for being fixedly mounted on the winding driven shaft 321;Described 315 sets of winding chain in the winding
On drive sprocket 314 and winding driven sprocket 316;The other end of the winding driven shaft 321, which is connected by key, to be fixedly installed with
Driving gear 320;Driven gear 318 is installed on the wind-up roll 319;The driving gear 320 and the driven gear 318
Engagement.
The winding motor 312 passes through 316 turns of driven sprocket of winding of winding drive sprocket 314 and the winding driving of chain 315
Dynamic, the winding driven sprocket 316 is rotated together with winding driven shaft 321;With master when the winding driven shaft 321 rotates
Moving gear 320 rotates, and power is passed to wind-up roll 319 by driven gear 318 by driving gear 320, the wind-up roll described in this way
319 sustainable rotations.
During winding, the centrifugation spins web 5 and is possible to sideslip;So the wrap-up 3, further includes
Deviation correcting device 322;The deviation correcting device 322 is mounted on 306 lower part of upper winding frame, adjusts the upper winding frame 306
Position prevent sideslip.
The deviation correcting device 322, including lower winding frame 313, correction sliding rail 311, correction sliding block 307, linear servo electricity
Machine 309, motor fixing seat 310 and attachment base 308;The linear servo-actuator 309 is pacified by the way that the motor fixing seat 310 is fixed
In lower winding frame 313;The output shaft of the linear servo-actuator 309 passes through the attachment base 308 and upper winding frame
306 are fixedly connected;Four correction sliding rails 311 are symmetricly set in lower winding frame 313;Four correction sliding blocks 307
Match to merge with four correction sliding rails 311 respectively and be slided on the correction sliding rail 311;The upper winding frame 306 and four
A correction sliding block 307 is fixedly connected.
The linear servo-actuator 309 drives the upper winding frame 306 by the correction sliding block 307 in the correction
It is slided on sliding rail 311;The position for adjusting the wind-up roll 319 in this way prevents from winding sideslip when web 5 is spun in the centrifugation.
The control system 16 controls package unit automatic running, and mainly controlling technological parameter includes: feed quantity, spray
The silk revolving speed of device 1340, the temperature of spinning environment, the movement velocity of collection belt 142.
It is artificial that manufacturing parameter, including environment temperature, spinning device revolving speed, spinning are set by control system when specifically used
The movement speed of fiber thickness, collection belt;Control system 16 selects of electrospinning unit 131 according to the thickness value of spinning fiber
Number;Then, control system 16 controls feeding device 12 and is fed to device for spinning 14;It is examined jointly by flowmeter 126 and liquidometer 122
Survey the volume of spinning solution in buffer tank 1342;After reaching setting value, stop feed;It is right that control system controls temperature control device 15
Semi-enclosed cavity in rack 11 carries out temperature adjusting, has reached setting value;Control system 16 controls transmission traction device simultaneously
141 operations are so that the movement speed of collection belt 142 reaches setting value;Start direct current generator 1337, spinning device 1340 starts high speed
Rotation carries out spinneret, and helically line declines and is collected in the collection belt 142 fiber that spinneret is formed, and ultimately forms uniform
Web 5 is spun in centrifugation;The centrifugation generated at first spins web 5 by artificial traction by compaction apparatus 2, is entangled in wrap-up 3
It is wound.
Embodiment 2
Difference from example 1 is that one of embodiment 2 plane receiving type is centrifuged spinning equipment, such as Figure 12 institute
Show, further include unwinding device 4, the unwinding device 4 is arranged in the front end of the centrifugation spinning equipment 1;It is twined on the unwinding device 4
It is wound with substrate cloth 6;The substrate cloth 6 penetrates in the centrifugation spinning equipment 1, and is laid in the collection belt 142;It is described
6 end of substrate cloth is wrapped on the wind-up roll 319 on the wrap-up 3.
As shown in figure 13, the unwinding device 4 includes let off roll 401, unreels rack 402, clamping mechanism 317, first leads
To roller 303, third guide roller 403, the second guide roller 301 and deviation correcting device 322;According to the direction of motion of the substrate cloth 6,
Second guide roller 301, third guide roller 403 and the first guide roller 303 are sequentially arranged, and are fixedly mounted on and are unreeled rack
On 402;6 entire volume of substrate cloth is wrapped on let off roll 401;The substrate cloth 6 passes through the second guide roller 301, third
The guiding of guide roller 403 and the first guide roller 303 exports unwinding device 4;The clamping mechanism 317, which is fixedly mounted on, unreels rack
402 two sides.
The let off roll 401 is air-expanding shaft, and when upper volume, the let off roll 401 is non-aerating, manually by entire volume substrate cloth 6
It covers on the let off roll 401, the let off roll 401 inflates distending and the volume substrate cloth 6 is fixed on the let off roll 401
On;Manually clamping mechanism 317 is opened again, 401 both ends of let off roll are caught in the clamping mechanism 317.
When specifically used, when 1340 high speed rotation of spinning device, in spinning solution spray, moment of ejection by
Under the action of centrifugal force and power, spinning solution is attached to the substrate cloth 6 in the collection belt 142 rapidly at silk
It goes up and forms web;The collection belt 142 by the wrap-up 3 driving travel forward, the web it is evenly laid out
On the substrate cloth 6, the manufactured centrifugation with substrate cloth spins web 5 after the compaction apparatus 2 compacting
It is wound into the wrap-up 3 and forms volume.
Embodiment 3
Difference from example 1 is that the spinning appts 133 in embodiment 3, installed on the spinning device 1340
There is at least one spinneret 1354;The shape of shown spinneret is as shown in figure 14, and internal diameter gradually becomes smaller to form taper;The spray
The spinning solution in silk device 1340 is projected by the spinneret 1354.
Embodiment 4
Difference from example 1 is that the spinning appts 133 in embodiment 4, installed on the spinning device 1340
There is at least one spinneret 1354;The shape of shown spinneret is as shown in figure 15, and structure is stepped form;The spinning device
The spinning solution in 1340 is projected by the spinneret 1354.
Embodiment 5
Invention relates further specifically to a kind of plane receiving types to be centrifuged spinning method, the specific steps are as follows:
1) polyvinyl butyral (PVB) powder is put into vacuum oven, it is 8 hours dry at 70 DEG C;
2) dehydrated alcohol is added in polyvinyl butyral (PVB) powder, the spinning that configuration quality score is 10% is molten
Liquid;
3) spinning solution is placed in 80-90 DEG C of water-bath, is at the uniform velocity stirred 8 hours by mechanical agitator, then will spun
Silk solution, which is placed in vacuum tank, stands 1 hour, and the bubble in spinning solution is made to disappear as far as possible;
4) spinning is carried out using the equipment in embodiment 3, test parameter is adjusted by control system, spinning environment temperature is set
25 DEG C are set to, a set of electrospinning unit is selected, the revolving speed of the spinning device is set as 3000r/min, spinning aperture 1mm, collects
Taking the distance between spinning device to is 50mm.
Embodiment 6
A kind of plane receiving type centrifugation spinning method, the specific steps are as follows:
1) polyvinyl butyral (PVB) and polyacrylonitrile (PAN) powder are respectively placed in vacuum oven, at 30 DEG C
Lower drying 8 hours;Using n,N-Dimethylformamide (DMF) as solvent;
2) PVB, PAN and DMF quality proportioning are 1.5:1:10;
3) load weighted DMF is poured into beaker, turn on agitator, revolving speed 520r/min is stirred DMF, then will
PAN powder, which is poured slowly into DMF, to be stirred, and finally pours at PVB powder end in DMF, mixing time 4 hours, will after stirring is completed
The spinning solution of formation is placed in vacuum tank and stands 1 hour, and the bubble in spinning solution is made to disappear as far as possible;
4) spinning is carried out using the equipment in embodiment 3, test parameter is adjusted by control system, spinning environment temperature is set
45 DEG C are set to, a set of electrospinning unit is selected, the revolving speed of the spinning device is set as 8000r/min, spinning aperture 0.2mm, receives
Integrate and takes the distance between spinning device to as 80mm.
Embodiment 7
A kind of plane receiving type centrifugation spinning method, the specific steps are as follows:
1) polyacrylonitrile (PAN) powder is placed in vacuum oven, it is 8 hours dry at 30 DEG C;Using N, N- diformazan
Base formamide (DMF) is as solvent;
2) mass fraction of PAN is 18%;
3) turn on agitator, revolving speed 520r/min, is stirred DMF, then PAN powder is poured slowly into DMF and is stirred,
Mixing time 4 hours, after stirring is completed, the spinning solution of formation is placed in vacuum tank and stands 1 hour, is made in spinning solution
Bubble disappear as far as possible;
4) spinning is carried out using the equipment in embodiment 3, test parameter is adjusted by control system, spinning environment temperature is set
25 DEG C are set to, a set of electrospinning unit is selected, the revolving speed of the spinning device is set as 3000r/min, spinning aperture 0.2mm, receives
Integrate and takes the distance between spinning device to as 50mm.
Embodiment 8-10
Embodiment 8-10 and embodiment 7 the difference is that, in embodiment 8, the mass fraction of PAN is 19%;Implement
The mass fraction of PAN is 20% in example 9;The mass fraction of PAN is 21% in embodiment 10;Other conditions with embodiment 7 one
It causes.
By the histogram frequency distribution diagram (Figure 18) of fibre diameter under the conditions of comparison various concentration as can be seen that fibre diameter
Most of cloth is in the range of 1-5 μm, wherein 21% component has a small amount of nanofiber, while with the increase of concentration, fiber
Diameter it is increasing;Because solution viscosity is increasing with the increase of solution concentration, the active force of molecule interchain is more next
Bigger, under same speed conditions, strand is increasingly difficult to drawing-off, so that diameter can become larger.
Embodiment 11-14
The difference is that, in embodiment 11, the revolving speed of the spinning device is set as 5000r/min with embodiment 5;It is real
It applies in example 12, the revolving speed of the spinning device is set as 6000r/min;In embodiment 13, the revolving speed of the spinning device is set as
7000r/min;In embodiment 13, the revolving speed of the spinning device is set as 8000r/min;Other conditions are consistent with embodiment 5.
Captured in real-time is carried out to it by high-speed camera, chooses 0s, 15s, 30s and 45s as experimental record;?
In the range of 5000rpm-6000rpm, the suffered centrifugal force for the PVB spinning solution that spinneret projects is gradually increased, and
The effect for getting rid of the negative pressure field of force of the spinning device of rotation under the action of inertia force in time, to be capable of forming around spinning device
Preferable spinning track.
Embodiment 12-14
The difference is that, in embodiment 12, test parameter is adjusted by control system, by spinning ring with embodiment 5
Border temperature setting is 10 DEG C;In embodiment 13, test parameter is adjusted by control system, is 40 by spinning environment temperature setting
℃;In embodiment 14, test parameter is adjusted by control system, is 55 DEG C by spinning environment temperature setting;Other conditions with
Embodiment 5 is consistent.
When temperature is 10 DEG C, PVB spinning solution shows typical viscous behavior at this time;As the temperature rises, at this time
The elastic behavior of PVB spinning solution system increases, and after gel point, PVB solution shows typical elastic behavior at this time, and
And there is no platform, show that the gelation process of PVB solution is a physical process.
Embodiment 15
As different from Example 5, embodiment 15 carries out spinning using the equipment in embodiment 1, the spinneret in embodiment 1
Device 1340 is machined with through-hole 1348, and the spinning solution is projected out of described through-hole 1348 in 1340 high speed rotation of spinning device.
Embodiment 16
As different from Example 5, embodiment 16 carries out spinning using the equipment in embodiment 4, the spinneret in embodiment 1
Spinneret 1354 is installed, the structure type of the spinneret 1354 is stepped form on device 1340;In the spinning device 1340
The spinning solution pass through the spinneret 1354 project.
It is captured by the process that high-speed camera carries out centrifugation spinning to embodiment 5, embodiment 15 and embodiment 16, and
It is shot on tetra- timing nodes of 0s, 5s, 10s and 15s.
In embodiment 5, PVB spinning solution is projected through taper type spinneret, stretched, constriction and solidification, to become
PVB fiber and using helix as spinning track is collected on fiber collection surface in the case where self gravity must act on, due to spinning track
Radius it is larger, therefore the active force in the negative pressure field of force existing for the lower section of spinning device that is rotated of PVB fiber is small, spinning track
Stability is preferable.
In embodiment 15, PVB spinning solution becomes drop and falls in collection belt, can not carry out PVB centrifugation under this condition
It spins.
In embodiment 16, PVB spinning solution is sprayed from the spinneret of stepped form, stretched, constriction and solidification, thus
As PVB fiber and using helix as spinning track, on the one hand in self gravity and existing for the lower section of the spinning device of rotation
It is collected on the collection belt under the collective effect in the negative pressure field of force, on the other hand since the PVB fiber that is collected on the collection belt is by revolving
Under the action of the negative pressure field of force existing for the lower section of the spinning device turned, tend to the bottom movement of spinning device, to be wrapped in spinning device
Outer wall and spinneret on.
Embodiment 17-19
With embodiment 5 the difference is that, in embodiment 17, spinning aperture 0.25mm;In embodiment 18, spinneret orifice
Diameter is 0.41mm;In embodiment 19, spinning aperture 0.64mm;Other conditions are consistent with embodiment 5.
Its experimentation is captured by high-speed camera, and this four times click through in 0s, 15s, 30s and 45s
Row real-time capture;With the reduction of spinneret pore diameter, the surface uniformity of the interfibrous diameter of prepared PVB is then mentioned
Height, but the multifilament in prepared PVB fiber is then more, i.e. there are more PVB fibers in a PVB fiber.
Embodiment 20-21
The difference is that, in embodiment 20, it is 40mm that the distance between spinning device is taken in collection, which to, with embodiment 5;It is real
It applies in example 21, it is 60mm that the distance between spinning device is taken in collection, which to,;
Its experimentation is captured by high-speed camera, and this four times click through in 0s, 15s, 30s and 45s
Row real-time capture.
With the increase for collecting height, the multifilament in prepared PVB fiber is then more, i.e. exists in a PVB fiber more
Root PVB fiber, and the interfibrous diameter irregularity of PVB becomes larger.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement;And these are modified or replaceed, technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (40)
1. automatic producing device is spun in a kind of plane receiving type centrifugation, which is characterized in that including being centrifuged spinning equipment (1), compaction apparatus
(2) and wrap-up (3);The centrifugation spinning equipment (1), compaction apparatus (2) and wrap-up (3) spin web according to centrifugation
(5) the direction of motion is sequentially arranged from front to back;The centrifugation spinning equipment (1) spins out centrifugation and spins web (5);The centrifugation
It spins web (5) and imports the wrap-up (3) after the compaction apparatus (2) compacting;The wrap-up (3) will be centrifuged
Web (5) are spun to be wound into.
2. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 1, which is characterized in that the centrifugation
Spinning equipment (1) includes feeding device (12), device for spinning (13) and collection device (14);The device for spinning (13) is set to institute
It states above collection device (14), collection device (14) surface is formed with negative pressure, and negative pressure will be attached to the collection device
(14) centrifugation on surface is spun web (5) and is adsorbed on the collection device (14).
3. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 2, which is characterized in that the spinning
Device (13) includes at least a set of electrospinning unit (131) configured with spinning appts (133).
4. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 3, which is characterized in that the spinneret
Device includes buffer tank (1342), passage (1344) and spinning device (1340), and passage (1344) upper end is protruded into described
In buffer tank (1342), lower end is inserted into spinning device (1340), and the spinning solution in the buffer tank (1342) passes through passage
(1344) enter in spinning device (1340).
5. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 3, which is characterized in that the spinning
Unit (131) includes the traverse displacement unit (132) being fixedly mounted on rack (11), and the spinning appts (133) are symmetrically mounted on
Traverse displacement unit (132) two sides;The traverse displacement unit (132) drives the spinning appts (133) on the collection device (14)
Do horizontal reciprocating movement in side.
6. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 5, which is characterized in that described traversing
Device (132) includes fixed bracket (1321), the transverse motion unit (1322) being mounted on fixed bracket (1321) and traversing
Strut (1324);Fixed bracket (1321) both ends are mounted on rack (11);The cunning of the transverse motion unit (1322)
Mounting plate (1323) are installed on block;The traversing strut (1324) is mounted on the mounting plate (1323), the traversing fortune
Moving cell (1322) drives the traversing strut (1324) to do horizontal reciprocating movement by mounting plate (1323).
7. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 6, which is characterized in that described in two sets
Spinning appts (133) are separately mounted to two traversing strut (1324) both ends.
8. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 4, which is characterized in that the spinneret
Device (133) further includes hollow shaft (1345);The passage (1344) is arranged in the centre bore of hollow shaft (1345), with institute
Centre bore is stated not contact;The spinning device (1340) is fixedly mounted on the hollow shaft (1345) lower end.
9. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 4, which is characterized in that the spinneret
Device (133) further includes motor (1337), driving pulley (1338), driven pulley (1339) and synchronous belt (1346);The electricity
Driving pulley (1338) described in the output axis connection of machine (1337);The driven pulley (1339) connect with hollow shaft (1345);
The synchronous belt (1346) covers on the driving pulley (1338) and the driven pulley (1339).
10. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 4, which is characterized in that the spray
Silk device (133) further includes caching tank bracket (1351), direct current generator bracket (1352) and support plate (1353);The buffer tank
Bracket (1351) and direct current generator bracket (1352) are each attached on the support plate (1353).
11. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 3, which is characterized in that the spray
Silk device (133) further includes adjusting screw rod (1332), nut (1350), adjustable plate (1333), guide rod (1334) and substrate
(1336);The adjusting screw rod (1332) is mounted on the adjustable plate (1333) by bearing block, and be mounted on the tune
The nut (1350) cooperation on plate (1333) is saved, the upper end of the guide rod (1334) is connect with the adjustable plate (1333),
Lower end is through the substrate (1336) and is mounted on the support plate (1353).
12. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 11, which is characterized in that the spray
Silk device (133) further includes linear bearing (1335), and the linear bearing (1335) is fixedly mounted on the substrate (1336),
The guide rod (1334) covers in the linear bearing (1335).
13. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 11, which is characterized in that the tune
Section screw rod (1332) upper end is fixedly installed with handwheel (1331).
14. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 2, which is characterized in that the confession
Expect that device (12) include the storage tank (121) and flow pump (123) for being provided with spinning solution;The storage tank (121) passes through pipe
Road is connect with the flow pump (123), and the flow pump (123) and several described buffer tanks (1342) pass through piping connection.
15. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 14, which is characterized in that the stream
Electric switching valve (124) and flowmeter (125) are provided on pipeline between amount pump (123) and the buffer tank (1342).
16. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 14, which is characterized in that the storage
Liquidometer (122) are provided in batch can (121) and buffer tank (1342).
17. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 14, which is characterized in that the storage
Blender (126) are installed on batch can (121).
18. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 2, which is characterized in that the receipts
Acquisition means (14) include transmission traction device (141) and collection belt (142);The collection belt (142) is endless belt, is covered described
On transmission traction device (141);The transmission traction device (141) drives the collection belt (142) to do shuttling movement;Described
Collection belt (142) following settings support plate (143), is used to support collection belt (142).
19. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 18, which is characterized in that the receipts
Integrate band (142) as reticular structure, is provided with several through-holes on the support plate (143).
20. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 18, which is characterized in that described
Installation extractor fan to form negative pressure on the collection belt (142) surface below support plate (143), and negative pressure will be attached to described
The centrifugation on collection belt (142) surface is spun web (5) and is adsorbed on the collection belt (142).
21. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 2, which is characterized in that it is described from
Heart spinning equipment (1) further includes temperature control device (15), and the temperature control device (15) includes several electric heating tubes (151) and several sets
Refrigerating plant (152);Rack (11) surrounding and top are provided with isolation cover plate, form half with the collection belt (142) and seal
Closed chamber body, the electric heating tube (151) and refrigerating plant (152) carry out temperature adjusting to the semi-enclosed cavity.
22. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 1, which is characterized in that the pressure
Actual load set (2) include compacting rack (201), cylinder (202), pressure roller mounting plate (211), pressure roller (210), rotating roller (207) and
Sliding rail (213);Pressure roller mounting plate (211) both ends be fixedly installed with the sliding rail (213) cooperation sliding block (209), two
Sliding rail described in root (213) is respectively and fixedly installed to compacting rack (201) two sides;The piston rod of the cylinder (202) passes through floating
Connector (212) connects the pressure roller mounting plate (211).
23. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 22, which is characterized in that the pressure
It further includes compacting driven sprocket (203), compacting chain (204), compacting drive sprocket (205) and driving motor that actual load, which sets (2),
(206);The compacting drive sprocket (205) is mounted on the driving motor (206) output shaft, the compacting driven sprocket
(203) it is mounted on the rotating roller (207) one end, and by being set in the external compacting chain (204) and the compacting
Drive sprocket (205) connection.
24. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 1, which is characterized in that the receipts
Winding apparatus (3) includes upper winding frame (306), the first guide roller (303), limit roller (302), tension adjustment roller (305), second
Guide roller (301) and wind-up roll (319);The centrifugation spins web (5) and passes through the limit by first guide roller (303)
Roller (302) imports the wrap-up (3), by twining after the tension adjustment roller (305) and second guide roller (301) guiding
It is wound on the wind-up roll (319).
25. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 24, which is characterized in that on described
Winding frame (306) two sides are equipped with guide pad (304), and processing is fluted in the guide pad (304);The tension adjustment roller
(305) both ends are separately mounted in the groove of two guide pads (304);The tension adjustment roller (305) is pressed in described
Centrifugation is spun on web (5), and the tensile force of web (5) is spun by the self gravity adjustment centrifugation.
26. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 24, which is characterized in that the receipts
Winding up roller (319) both ends are stuck in two sets of clamping mechanisms (317);The clamping mechanism (317) by the wind-up roll (319) and
On bearing be stuck in the groove in the clamping mechanism (317).
27. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 24, which is characterized in that the receipts
Winding apparatus (3) further includes winding motor (312), winding drive sprocket (314), winding chain (315), winding driven sprocket
(316) and driven shaft (321) are wound;Winding drive sprocket (314) is mounted on the output shaft of the winding motor (312)
On;The winding driven shaft (321) is mounted on the upper winding frame (306) by bearing block, one end installation winding from
Movable sprocket (316), the other end connect the driving gear (320);The winding chain (315) covers in the winding drive sprocket
(314) and in winding driven sprocket (316);Wind-up roll (319) end is equipped with and the driving gear (320) cooperation
Driven gear (318).
28. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 24, which is characterized in that the receipts
Winding apparatus (3) further includes the deviation correcting device (322) for being mounted on upper winding frame (306) lower part.
29. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 28, which is characterized in that described to entangle
Deflection device (322) includes lower winding frame (313), correction sliding rail (311), the correction connecting with the upper winding frame (306)
Sliding block (307) and servo motor (309);The output shaft of the servo motor (309) is fixedly connected with upper winding frame (306);
Several correction sliding rails (311) are symmetricly set on lower winding frame (313);Several correction sliding blocks (307) respectively with
The correction sliding rail (311) is slided on the correction sliding rail (311) with merging.
30. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 1, which is characterized in that further include
It is arranged in the unwinding device (4) of the front end of centrifugation spinning equipment (1);Substrate cloth is wound on the unwinding device (4)
(6), the substrate cloth (6) penetrates in the centrifugation spinning equipment (1), and is laid on the collection belt (142);The substrate
Cloth (6) end is wrapped on the wind-up roll (319) on the wrap-up (3).
31. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 30, which is characterized in that described to put
Winding apparatus (4) include let off roll (401), unreel rack (402) and along substrate cloth (6) the direction of motion be sequentially arranged and
It is fixedly mounted on and unreels the second guide roller (301) on rack (402), third guide roller (403) and the first guide roller (303).
32. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 30, which is characterized in that described to put
Winding apparatus (4) further includes clamping mechanism (317), and the clamping mechanism (317), which is fixedly mounted on, unreels rack (402) two sides.
33. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 30, which is characterized in that described to put
Winding apparatus (4) further includes deviation correcting device, which, which is set to, described unreels rack (402) lower part, structure and the receipts
The deviation correcting device (322) structure in winding apparatus (3) is identical.
34. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 3, which is characterized in that the spray
At least one spinneret (1354) is installed on silk device (1340);The internal diameter of the spinneret (1354) gradually becomes smaller to form cone
Shape;The spinning solution in the spinning device (1340) is projected by the spinneret (1354).
35. automatic producing device is spun in a kind of plane receiving type centrifugation according to claim 3, which is characterized in that the spray
At least one spinneret (1354) is installed on silk device (1340);The structure of the spinneret (1354) is stepped form;It is described
The spinning solution in spinning device (1340) is projected by the spinneret (1354).
36. using the method that web is spun in equipment production centrifugation described in any one of claim 1 to 25, which is characterized in that
The following steps are included:
(1) preparation of centrifugal spinning solution: polymer and solvent are mixed by certain mass score, stirs and is divided after standing
Dissipate uniform spinning solution;
(2) centrifugal spinning centrifugal spinning: is carried out using spinning solution made from step (1).
37. according to the method for claim 22, which is characterized in that the polymer of the step (1) is polyvinyl alcohol contracting fourth
Aldehyde, polyacrylonitrile, chitosan, polyoxyethylene, polyvinyl alcohol, polyvinylpyrrolidone, gelatin, sodium alginate, poly- phenyl-diformyl
One of phenylenediamine, polyimides are a variety of.
38. according to the method for claim 22, which is characterized in that the solvent of the step (1) is ethyl alcohol, N, N- dimethyl
One of formamide, water, acetic acid, acetone are a variety of.
39. according to the method for claim 22, which is characterized in that when spinning, the revolving speed of spinning device is 500r/min-
10000r/min;The movement velocity of collection belt is 0-10m/min;Ambient temperature range is 10 DEG C -80 DEG C.
40. according to the method for claim 22, which is characterized in that when spinning, spinning aperture range is 0.1mm-1mm;Spray
Silk the distance between device and collection belt are 0-100mm.
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PCT/CN2019/106755 WO2020232928A1 (en) | 2019-05-22 | 2019-09-19 | Centrifugal spinning apparatus and planar receiving-type centrifugal spinning automatic production device |
US17/604,395 US20220195629A1 (en) | 2019-05-22 | 2019-09-19 | Centrifugal spinning apparatus and planar receiving-type centrifugal spinning automatic production device |
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