CN208071857U - A kind of abrasive disk type melt differential electrostatic spinning apparatus - Google Patents
A kind of abrasive disk type melt differential electrostatic spinning apparatus Download PDFInfo
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- CN208071857U CN208071857U CN201820522270.2U CN201820522270U CN208071857U CN 208071857 U CN208071857 U CN 208071857U CN 201820522270 U CN201820522270 U CN 201820522270U CN 208071857 U CN208071857 U CN 208071857U
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- movable grinding
- drive shaft
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Abstract
The utility model discloses a kind of abrasive disk type melt differential electrostatic spinning apparatus, are mainly made of driving motor, motor support frame, speed reducer, end cap, machine barrel, fixing bolt, movable grinding disc, nozzle, drive shaft, self-locking nut, gasket, heating device, temperature sensor, bearing, barrel and airflow duct.Utility model device is fed using abrasive disk type extruder, while accurate flow control, is shortened melt flow, is effectively prevented causing high polymer molten to decompose due to too long in flow.Apparatus structure is simple, small, and occupied space is few, to feed way without particular/special requirement, size particles pellet, powder, since the presence of mill especially has superiority to large granular materials.Movable grinding disc side is provided with helical gradual change runner, gradually becomes shallower as from top to bottom, provides melt additional carrying capacity, while melt being made circumferentially to be uniformly distributed in movable grinding disc outer diameter.Gap between movable grinding disc and end cap machine barrel is adjustable, can meet the technological requirement for processing more materials.
Description
Technical field
The present invention relates to a kind of abrasive disk type melt differential electrostatic spinning apparatus, belong to electrostatic spinning field.
Background technology
With the continuous development of nanosecond science and technology, application of the nanofiber in life is more and more extensive, and electrostatic spinning is public
It is considered to prepare the most simple most efficient method of nanofiber.Electrospun nano-fibers are hindered due to its high porosity, hyposmosis
The characteristics of power, is widely used and development prospect in micro-nano filtering, cell culture, water-oil separating, clothing etc..
The feed-type of electrostatic spinning has pressure type to be fed at present, screw extruder is fed etc., but each feed-type
There are certain deficiency, pressure type feed to be difficult to control delivery rate, is unfavorable for generating the fiber of continuous uniform.Though screw rod is fed
It can so control delivery rate, but the longer stability for being unfavorable for melt of melt flow channel and equipment occupation space is larger.More than
Two kinds of electrostatic spinning nozzles are there are common deficiency, and melt passes through equally distributed in spinning-nozzle external member in CN103924309A
Discharge orifice enters in the gap between spinning-nozzle and spinning-nozzle external member, is unfavorable for being uniformly distributed for melt.CN103225116B
In be equally unfavorable for being uniformly distributed for melt due to the presence of transverse air-intake pipe and key, the uneven distribution of this melt, directly
Connecing leads to the inhomogeneity of fiber.Long plasticizing easily leads to a degree of degradation of polymer under high temperature, shortens plasticizing long flow path, reduces
Residence time of the melt in runner, it is necessary to propose plasticizing and conveying device and the method for short route.
Invention content
In view of the above problems, the present invention proposes a kind of abrasive disk type melt differential electrostatic spinning device, using with helical gradual change
The disc extruder of runner is fed, and reducing equipment volume while accurately controlling delivery rate makes material plasticizing uniformly and make
The material of melting is evenly distributed in around nozzle, ensures efficient while solving the problems, such as that melt distribution is non-uniform and contracting
Short melt flow is laid a good foundation for further study of melt electrostatic spinning.
The present invention proposes a kind of abrasive disk type melt differential electrostatic spinning apparatus, and device for spinning is mainly by driving motor, motor
Supporting rack, speed reducer, end cap, machine barrel, fixing bolt, movable grinding disc, nozzle, drive shaft, self-locking nut, gasket, heating device, temperature
It spends sensor, bearing, barrel and airflow duct composition, barrel to connect using screw with end cap, end cap is connected with machine barrel by bolt
It connects, driving motor is fixed on airflow duct on motor support frame, and motor support frame, which is connected through a screw thread, to be fixed on machine barrel, is driven
Moving axis is positioned by the shaft shoulder on axis, movable grinding disc is housed, movable grinding disc is by spline and driving axis connection, by drive shaft in drive shaft
Fixing nut positioning, nozzle is connected through a screw thread with drive shaft.
A kind of abrasive disk type melt differential electrostatic spinning apparatus of the present invention, is fed using abrasive disk type extruder, driving electricity
Machine drives drive shaft rotation by speed reducer, and movable grinding disc is housed in drive shaft, by spline and driving axis connection, by drive shaft
Fixing nut fix, and realize the dynamic change with end cap machine barrel upper and lower gap to be adapted to by the position of the upper lower nut of adjusting
The material of different viscositys, the rotating speed realization by changing driving motor accurately control feed.
A kind of abrasive disk type melt differential electrostatic spinning apparatus of the present invention, the melt of melting are evenly distributed in along cylinder bore
The gap of machine barrel and nozzle forms taylor cone on nozzle male cone (strobilus masculinus), can increase uniformly dividing for melt by increasing cylinder bore
Cloth range is to improve yield.
A kind of abrasive disk type melt differential electrostatic spinning apparatus of the present invention has fin simultaneously on movable grinding disc surface close to edge designs
And fin has certain angle relative to radial direction, the angle of upper and lower surface and radius is on the contrary, such as upper surface and radius
Angle is 30 ° and the angle of lower surface and radius is -30 °, keeps the material of movable grinding disc upper and lower surface equal with the rotation of movable grinding disc
It can be moved to the outer edge of movable grinding disc, i.e., movable grinding disc upper surface material is moved with the rotation of movable grinding disc to the edge of movable grinding disc
Dynamic, for the lower surface material of movable grinding disc as the rotation of movable grinding disc is to movable grinding disc medial movement, there is helical gradually varied flow in movable grinding disc side
Road, helical gradual change runner gradually become shallower as from top to bottom, provide additional downward carrying capacity to material and material is made uniformly to be distributed
Around movable grinding disc.It can be fan-shaped, cosmos or mortar mesh to have fin, fin on the lower face of end cap and the upper surface of machine barrel
Shape.
A kind of abrasive disk type melt differential electrostatic spinning apparatus of the present invention, drive shaft interior air-flow conduit lead to high-speed flow, fiber
It is further refined under the stretching action of high-speed flow, while high-speed flow is formed due to bernoulli principle in fiber beam center
Local decompression makes fibre bundle gather to center, is conducive to the refinement of fibre diameter and gathers collection.
A kind of abrasive disk type melt differential electrostatic spinning apparatus of the present invention, male cone (strobilus masculinus) nozzle are connected with drive shaft by screw thread
It connects, is easy to dismounting convenient for cleaning, male cone (strobilus masculinus) nozzle is mutually parallel with the machine barrel conical surface, by nozzle and drive shaft screw-thread fit
It adjusts, changes the size in gap, carry out Secondary Control to flow is more accurately controlled with realizing.
A kind of abrasive disk type melt differential electrostatic spinning apparatus of the present invention, male cone (strobilus masculinus) nozzle are connected through a screw thread with drive shaft
And rotated with the rotation of drive shaft, due to the rotation of nozzle, further make to be distributed in nozzle male cone (strobilus masculinus) and machine barrel inner conical surface
Gap melt it is uniformly distributed.
As it can be seen from the above scheme a kind of abrasive disk type melt differential electrostatic spinning apparatus of the present invention compared with prior art just like
Lower advantage：
1, it is fed using abrasive disk type extruder, while accurate flow control, shortens melt flow, effectively
It prevents due to too long in flow and high polymer molten is caused to decompose.Apparatus structure is simple, small, and occupied space is few, to charging
Mode is without particular/special requirement, size particles pellet, powder, since the presence of mill especially has superiority to large granular materials.
2, it is fed using abrasive disk type extruder, the melt of melting is made to be evenly distributed in machine barrel along cylinder bore
On the conical surface, the uniformity of spinning fibre is improved.By increasing cylinder bore, increase the equally distributed area of melt, to significantly
Improve the yield and efficiency of spinning.
3, movable grinding disc side is provided with helical gradual change runner, gradually becomes shallower as from top to bottom, provides melt additional carrying capacity,
Melt is set circumferentially to be uniformly distributed in movable grinding disc outer diameter simultaneously.
3, the gap between movable grinding disc and end cap machine barrel is adjustable, can meet the technological requirement for processing more materials.
4, male cone (strobilus masculinus) nozzle is easy to dismounting convenient for cleaning, by nozzle and drive shaft with drive shaft using being threadedly coupled
The adjusting of screw-thread fit changes the size in interior male cone (strobilus masculinus) gap, and carry out Secondary Control to flow is more accurately controlled with realizing.
5, male cone (strobilus masculinus) nozzle drive shaft makes interior male cone (strobilus masculinus) gap using being threadedly coupled and being rotated with the rotation of drive shaft
In fluid distrbution it is more uniform.
Description of the drawings
Fig. 1 is a kind of abrasive disk type melt differential electrostatic spinning apparatus structural schematic diagram of the present invention.
Fig. 2 is the movable grinding disc vertical view of Fig. 1 shown devices.
Fig. 3 is the movable grinding disc axonometric drawing of Fig. 1 shown devices.
In figure：1- driving motors, 2- motor support frames, 3- retarders, 4- end caps, 5- fixing bolts, 6- gaskets, the dynamic mills of 7-
Disk, 8- machine barrels, 9- nozzles, 10- drive shafts, 11- electromagnetic heaters, 12- temperature sensors, 13- fixing nuts, 14- bearings,
15- barrels, 16- airflow ducts.
Specific implementation mode
A kind of abrasive disk type melt differential electrostatic spinning apparatus of the present invention and method.As shown in Figs. 1-3, the melt electrostatic spinning
Device is by driving motor 1, motor support frame 2, retarder 3, end cap 4, fixing bolt 5, gasket 6, movable grinding disc 7, machine barrel 8, nozzle
9, drive shaft 10, electromagnetic heater 11, temperature sensor 12, fixing nut 13, bearing 14, barrel 15,16 groups of airflow duct
At.Barrel 15 is connect with end cap 4 using screw, and driving motor 1 is fixed on airflow duct 16 on motor support frame 2, motor branch
Support 2, which is connected through a screw thread, to be fixed on end cap 4, and drive shaft 10 is positioned by the shaft shoulder on axis, and movable grinding disc is housed in drive shaft 10
6, it is connect with drive shaft 10 by spline, is positioned by the fixing nut 13 in drive shaft 10, nozzle 9 passes through screw thread with drive shaft 10
Connection.
When spinning works, electromagnetic heater 11 is opened, movable grinding disc 7, machine barrel 8 are heated under the control of temperature sensor 12
Driving motor 1 is opened after the temperature for being warming up to setting with nozzle 9, drives drive shaft 10 and movable grinding disc 7 with the rotating speed of setting
External gas source is opened in rotation, is conveyed air to air-flow airflow duct 16, is fed in barrel 15, material is under gravity
The gap of end cap 4 and movable grinding disc 7 is fallen on, material melts in gap, and fused materials are as the rotation of movable grinding disc 6 is to movable grinding disc 6
Periphery flow in the gap of movable grinding disc 4 and machine barrel 8, fused materials under the action of 7 gradual change runner of gravity and Moving plate into
Enter to the gap of movable grinding disc 7 and machine barrel 8, and as the rotation of movable grinding disc 7 is to the flowing of the inside of machine barrel 8, is uniformly distributed in machine
8 inside wall faces of cylinder and the gap for flowing down to machine barrel 8 and nozzle 9 form taylor cone at the edge of 9 male cone (strobilus masculinus) of nozzle.
Claims (6)
1. a kind of abrasive disk type melt differential electrostatic spinning apparatus, it is characterised in that：Mainly by driving motor, motor support frame, subtract
Fast machine, end cap, machine barrel, fixing bolt, movable grinding disc, nozzle, drive shaft, self-locking nut, gasket, heating device, temperature sensor,
Bearing, barrel and airflow duct composition, barrel are connect with end cap using screw, and end cap is bolted with machine barrel, driving electricity
Machine is fixed on airflow duct on motor support frame, and motor support frame, which is connected through a screw thread, to be fixed on machine barrel, and drive shaft passes through
The shaft shoulder positions on axis, movable grinding disc is housed, movable grinding disc is by spline and driving axis connection, by the fixation spiral shell in drive shaft in drive shaft
Mother's positioning, nozzle are connected through a screw thread with drive shaft.
2. a kind of abrasive disk type melt differential electrostatic spinning apparatus according to claim 1, it is characterised in that：Movable grinding disc surface
On have fin close to edge designs and fin has certain angle, the angle phase of upper and lower surface and radius relative to radial direction
Instead, movable grinding disc side has helical gradual change runner, helical gradual change runner to gradually become shallower as from top to bottom, and additionally downward is provided to material
Carrying capacity simultaneously makes material be evenly distributed in around movable grinding disc.
3. a kind of abrasive disk type melt differential electrostatic spinning apparatus according to claim 1, it is characterised in that：The lower end of end cap
There is fin on face and the upper surface of machine barrel.
4. a kind of abrasive disk type melt differential electrostatic spinning apparatus according to claim 3, it is characterised in that：Fin is fan
Shape, cosmos or mortar mesh shape.
5. a kind of abrasive disk type melt differential electrostatic spinning apparatus according to claim 1, it is characterised in that：Gas in drive shaft
Conductance pipe leads to high-speed flow.
6. a kind of abrasive disk type melt differential electrostatic spinning apparatus according to claim 1, it is characterised in that：Male cone (strobilus masculinus) nozzle
It is connected through a screw thread with drive shaft, male cone (strobilus masculinus) nozzle is mutually parallel with the machine barrel conical surface, by nozzle and drive shaft screw-thread fit
Adjusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522270.2U CN208071857U (en) | 2018-04-13 | 2018-04-13 | A kind of abrasive disk type melt differential electrostatic spinning apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522270.2U CN208071857U (en) | 2018-04-13 | 2018-04-13 | A kind of abrasive disk type melt differential electrostatic spinning apparatus |
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| Publication Number | Publication Date |
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| CN208071857U true CN208071857U (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820522270.2U Active CN208071857U (en) | 2018-04-13 | 2018-04-13 | A kind of abrasive disk type melt differential electrostatic spinning apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374205A (en) * | 2018-04-13 | 2018-08-07 | 北京化工大学 | A kind of abrasive disk type melt differential electrostatic spinning apparatus |
| CN110747523A (en) * | 2019-11-05 | 2020-02-04 | 青岛科技大学 | Two-stage differential melt electrostatic spinning device |
-
2018
- 2018-04-13 CN CN201820522270.2U patent/CN208071857U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374205A (en) * | 2018-04-13 | 2018-08-07 | 北京化工大学 | A kind of abrasive disk type melt differential electrostatic spinning apparatus |
| CN110747523A (en) * | 2019-11-05 | 2020-02-04 | 青岛科技大学 | Two-stage differential melt electrostatic spinning device |
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