CN203451695U - Vortex spinning yarn forming device for oriented electrostatic spun nanofiber - Google Patents
Vortex spinning yarn forming device for oriented electrostatic spun nanofiber Download PDFInfo
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- CN203451695U CN203451695U CN201320083418.4U CN201320083418U CN203451695U CN 203451695 U CN203451695 U CN 203451695U CN 201320083418 U CN201320083418 U CN 201320083418U CN 203451695 U CN203451695 U CN 203451695U
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Abstract
The utility model relates to a vortex spinning yarn forming device for oriented electrostatic spun nanofiber, which can be configured in a vertical type and a horizontal type. The vortex spinning yarn forming device comprises a horn-shaped conveying pipe. An inside metal ring and an outside metal ring are configured at a horn opening of the horn-shaped conveying pipe. The center of the horn opening of the horn-shaped conveying pipe right opposes a spinning head. The spinning head and the head part of the horn-shaped conveying pipe are configured in a shielding cover. The tail part of the horn-shaped conveying pipe is connected with a conveying hole of a vortex tube. The tube wall of the vortex tube is provided with uniformly configured air inlet openings. An in-tube chamber at the lower part of the vortex tube is connected with an air exhausting vacuum pump. A bulkhead is configured in the upper tube of the vortex tube. The center of the bulkhead is provided with a yarn leading tube in which yarn penetrates through. The yarn is drawn by a yarn leading roller I and a yarn leading roller II, and the yarn is finally reeled on a reeling roller. The vortex spinning yarn forming device for the oriented electrostatic spun nanofiber can continuously process the oriented nanaometer yarn and has high production efficiency.
Description
Technical field
The utility model relates to electrostatic spinning and technical field of textile machine, and particularly a kind of orientation electrostatic spinning nano fiber vortex spinning becomes yarn feeding device.
Background technology
Electrostatic spinning is the technology of current a kind of most popular spinning nanofiber.Its product has very excellent performance, as great specific area, can carry out neatly the mechanical behavior of surface-functionalized arrangement and excellence etc., can be applied to organizational project, wound dressing, medicine discharges, filtering material, composite reinforcing material, sensor.Because electrostatic spinning process is simple, preparation flow is shorter than traditional conventional spinning, and product function is excellent, and since Anton Formhals1934 obtains United States Patent (USP), electrostatic spinning is fibre science man and the weaving developer objective of the struggle for a long time always.Such nanofiber will become the leading products of China's new century.Market potential is huge, and prospect is very wide.
Electrostatic spinning is that charged drop forms taylor cone under electric field force effect by polymer solution or melt band several thousand and even volt high-pressure electrostatic up to ten thousand, and when electric field force is enough large, electric field force can overcome at the cone point of taylor cone solution surface tension and form and spray thread.The refinement that is stretched under the effects such as electric field force, viscosity resistance, surface tension of charged polymer jet, simultaneously charged jet in electric field owing to existing surface charge to bend.Thread is solvent evaporation or curing in course of injection, finally drops on receiving system, forms the nanofiber mats of similar nonwoven fabric.
But up to the present, most of electrostatic spinning nano fibers are to collect with the form of nonwoven fabric, therefore limited the range of application of electrostatic spinning nano fiber.From traditional fiber and textile industry, we know, continuous single nanofiber and the bundles of nanofibers of orientation with and twisting after the yarn of gained be only the developing direction of nanofiber.Yet up to the present, also do not produce continuous single nanowire filament, and the degree of orientation of oriented nanofibers not high yield is relative also very low, simultaneously, continuous single nanofiber and the low easy damage of nanofiber beam intensity of orientation, cannot have equal extensive use with traditional textile fibrous material (woven fabric, knitted fabric etc.).So, efficiently prepare the controlled nano-fibre yams of structure and be only the final developing direction that electrostatic spinning reaches extensive use.
The report of at present more existing electrostatic spinning nano fiber resultant yarns, as Dalton[Dalton PD, Polymer, 2005,46,611-614] etc. the two roudnel devices of utilization collected the nano-fibre yams of orientation, yarn evenness uniformity prepared by the method, fiber height orientation, too short but maximum shortcoming is the length of yarn of preparation, cannot meet actual needs.Teo[Teo WE, Polymer, 2007,48,3400-3405] etc. utilize Dynamic Water coagulating bath device, made two vinylidenes and hexafluoropropylene copolymer (PVDF-co-HFP) oriented nanofibers yarn, but be only suitable for the electrostatic spinning in non-soluble polymer, and Yarn twisting is wayward.Chinese patent 200510038571.5 discloses a kind of method of preparing nano fiber endless tow, and utilize the metal needle of symmetrical preparation relatively to form bundles of nanofibers, but cannot twist, not proper yarn.Dabirian[Dabirian F, Fibers and Polymers, 2011,12 (5), 610-615] etc. the rosette device of employing rotation collected nano-fibre yams, but in yarn, the orientation of fiber is wayward.Said method all adopts traditional single needle very low as spinning head output, the higher nano-fibre yams of the preparation degree of orientation that can not steady and continuous.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of orientation electrostatic spinning nano fiber vortex spinning and becomes yarn feeding device, can be continuously produced fiber alignment and arranges good nano-fibre yams.
The utility model solves the technical scheme that its technical problem adopts: provide a kind of orientation electrostatic spinning nano fiber vortex spinning to become yarn feeding device, be divided into vertical and horizontal two kinds of configurations, comprise tubaeform conveyance conduit, the horn mouth of described tubaeform conveyance conduit is furnished with inner side metal ring and outside metal ring, described inner side metal ring is connected with high-voltage electrostatic generator negative electrode with outside metal ring, described inner side metal ring and outside metal ring are the donuts being arranged in same plane, described inner side metal ring, the horn mouth of outside metal ring and tubaeform conveyance conduit is positioned at same plane, the horn mouth center of described tubaeform conveyance conduit is over against spinning head, described spinning head is connected with high-voltage electrostatic generator positive electrode, the header arrangement of described spinning head and tubaeform conveyance conduit is in radome, described tubaeform conveyance conduit afterbody is connected with vortex tube.
Horizontally disposed when described inner side metal ring and the vertical configuration of outside metal ring device, while installing horizontal configuration, vertically arrange.
Described nozzle design has the several type that is applicable to electrostatic spinning, when the vertical configuration of device, adopts and opens wide round metal disc type spinning head, adopts needle-based spinning head and Multi needle combined type spinning head when the horizontal configuration of device.
Described inner side metal ring is connected with high-voltage electrostatic generator negative electrode or while ground connection with outside metal ring simultaneously.
Described tubaeform conveyance conduit adopts insulating materials to make.
The horn mouth diameter of described tubaeform conveyance conduit is formulated according to the diameter of outside metal ring, and guarantees that the horn mouth diameter of tubaeform conveyance conduit is greater than the diameter of outside metal ring.
Described vortex tube is comprised of the cavity that runs through bottom in the sprocket hole of a side pipe wall, fresh air inlet on the tube wall of bottom, the pipe plug of internal upper part, the doffing tube at plug center and pipe.
Described sprocket hole is connected with tubaeform conveyance conduit afterbody.
Described fresh air inlet is furnished with uniformly 2 to 10 on the tube wall of vortex tube.
Described cavity bottom is connected with the vavuum pump of bleeding.
Doffing tube is arranged along vortex tube central axial direction in described plug center.
In described doffing tube, walk yarn.
Described yarn is by the delivery roller I and the delivery roller II combination traction that are arranged in vortex tube top.
Described yarn is finally wound on the Wound-up roller that is arranged in highest point.
Described vortex tube, the vavuum pump of bleeding, Wound-up roller, delivery roller I and delivery roller II are arranged in the outside of radome.
beneficial effect
The utility model relates to a kind of orientation electrostatic spinning nano fiber vortex spinning and becomes yarn feeding device, compared with prior art, have the following advantages and good effect: collection sprays silk, fiber orientation, fibre migration, cohesion, twisting, drawing-off and is wound as one, can process continuously oriented nanofibers yarn.Discrete and horizontal two kinds of configurations, be applicable to various electrostatic spinning spinning heads; The orientation that nanofiber is realized in equipotential effect inside and outside utilizing between metal ring and air gap; Utilize the air-flow of vortex tube high speed rotation to twist nanofiber, do not need complicated twisting parts, production efficiency is high; Adopt the interference of radome device maskable external condition to electrostatic spinning, thereby guarantee the quality of electrostatic spinning.In addition, relatively simple for structure, be applicable to multiple polymers spinning solution, can access all higher nano-fibre yams of the degree of orientation and output, can realize serialization and the large-scale production of nano-fibre yams.
Accompanying drawing explanation
Structural representation when Fig. 1 is the vertical configuration of the utility model;
Structural representation when Fig. 2 is the horizontal configuration of the utility model;
Fig. 3 is the section of structure of the utility model vortex tube;
Fig. 4 is the top view of metal ring and outside metal ring inside the utility model;
Fig. 5 is the cross sectional representation of the utility model fresh air inlet.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As Figure 1-5, a kind of orientation electrostatic spinning nano fiber of the utility model vortex spinning becomes yarn feeding device, be divided into vertical and horizontal two kinds of configurations, comprise tubaeform conveyance conduit 4, the horn mouth of described tubaeform conveyance conduit 4 is furnished with inner side metal ring 2 and outside metal ring 3, described inner side metal ring 2 is connected with high-voltage electrostatic generator negative electrode 12 with outside metal ring 3, described inner side metal ring 2 and outside metal ring 3 are the donuts that are arranged in same plane, described inner side metal ring 2, the horn mouth of outside metal ring 3 and tubaeform conveyance conduit 4 is positioned at same plane, the horn mouth center of described tubaeform conveyance conduit 4 is over against spinning head 1, described spinning head 1 is connected with high-voltage electrostatic generator positive electrode 11, the header arrangement of described spinning head 1 and tubaeform conveyance conduit 4 is in radome 10, described tubaeform conveyance conduit 4 afterbodys are connected with vortex tube 5, horizontally disposed when described inner side metal ring 2 and the vertical configuration of outside metal ring 3 device, while installing horizontal configuration, vertically arrange, described spinning head 1 is designed with the several type that is applicable to electrostatic spinning, when the vertical configuration of device, adopt and open wide round metal disc type spinning head, when the horizontal configuration of device, adopt needle-based spinning head and Multi needle combined type spinning head, described inner side metal ring 2 is connected with high-voltage electrostatic generator negative electrode 12 or while ground connection with outside metal ring 3 simultaneously, described tubaeform conveyance conduit 4 adopts insulating materials to make, the horn mouth diameter of described tubaeform conveyance conduit 4 is formulated according to the diameter of outside metal ring 3, and the horn mouth diameter that guarantees tubaeform conveyance conduit 4 is greater than the diameter of outside metal ring 3, described vortex tube 5 is by the sprocket hole 14 that runs through a side pipe wall, fresh air inlet 15 on the tube wall of bottom, the plug 16 of pipe internal upper part, in the doffing tube 17 at plug 16 centers and pipe, the cavity 18 of bottom forms, described sprocket hole 14 is connected with tubaeform conveyance conduit 4 afterbodys, described fresh air inlet 15 is furnished with uniformly 2 to 10 on the tube wall of vortex tube 5, described cavity 18 bottoms are connected with the vavuum pump 6 of bleeding, doffing tube 17 is arranged along vortex tube 5 central axial direction in described plug 16 centers, in described doffing tube 17, walk yarn 13, described yarn 13 is by the delivery roller I 7 and the delivery roller II8 combination traction that are arranged in vortex tube 5 tops, described yarn 13 is finally wound on the Wound-up roller 9 that is arranged in highest point, described vortex tube 5, the vavuum pump 6 of bleeding, Wound-up roller 9, delivery roller I 7 and delivery roller II8 are arranged in the outside of radome 10.
Embodiment 1
The solution that adopts polyacrylonitrile (PAN) and dimethyl formamide (DMF) to prepare below spins.The polyacrylonitrile that is 15% by concentration by automatic infusion device (PAN) solution injects spinning head 1, spinning head 1 directly connects the positive electrode 11 of high-voltage electrostatic generator, inner side metal ring 2 and outside metal ring 3 are connect simultaneously to the negative electrode 12 of high-voltage electrostatic generator, open high-voltage electrostatic generator, arrange generating positive and negative voltage value be respectively 38kV and-2kV; Open vacuum air pump 6, oriented nanofibers enters vortex tube 5 via tubaeform conveyance conduit 4 and forms fibrous ring, in the doffing tube 17 of seed yarn from vortex tube 5, suck, overlap with fibrous ring, yarn urogenesis is similar to conical yarn ring, yarn tail, under the effect of vortex field, obtains twisting along vortex tube 5 tube walls around central axis high speed rotary; Yarn 13, under the effect of delivery roller I 7 and delivery roller II8 combination traction, is derived in the doffing tube 17 of vortex tube 5, is finally wound on Wound-up roller 9, and the diameter of the nano-fibre yams of preparing is about 216 μ m.
Claims (15)
1. an orientation electrostatic spinning nano fiber vortex spinning becomes yarn feeding device, be divided into vertical and horizontal two kinds of configurations, comprise tubaeform conveyance conduit (4), it is characterized in that: the horn mouth of described tubaeform conveyance conduit (4) is furnished with inner side metal ring (2) and outside metal ring (3), described inner side metal ring (2) is connected with high-voltage electrostatic generator negative electrode (12) with outside metal ring (3), described inner side metal ring (2) and outside metal ring (3) are the donuts being arranged in same plane, described inner side metal ring (2), the horn mouth of outside metal ring (3) and tubaeform conveyance conduit (4) is positioned at same plane, the horn mouth center of described tubaeform conveyance conduit (4) is over against spinning head (1), described spinning head (1) is connected with high-voltage electrostatic generator positive electrode (11), the header arrangement of described spinning head (1) and tubaeform conveyance conduit (4) is in radome (10), described tubaeform conveyance conduit (4) afterbody is connected with vortex tube (5).
2. a kind of orientation electrostatic spinning nano fiber vortex spinning according to claim 1 becomes yarn feeding device, it is characterized in that, horizontally disposed when described inner side metal ring (2) and outside metal ring (3) install vertical configuration, while installing horizontal configuration, vertically arranges.
3. a kind of orientation electrostatic spinning nano fiber vortex spinning according to claim 1 becomes yarn feeding device, it is characterized in that, described spinning head (1) adopts and opens wide round metal disc type spinning head when the vertical configuration of device, and spinning head (1) adopts needle-based spinning head and Multi needle combined type spinning head when the horizontal configuration of device.
4. a kind of orientation electrostatic spinning nano fiber vortex spinning according to claim 1 becomes yarn feeding device, it is characterized in that, described inner side metal ring (2) is connected with high-voltage electrostatic generator negative electrode (12) or while ground connection with outside metal ring (3) simultaneously.
5. a kind of orientation electrostatic spinning nano fiber vortex spinning according to claim 1 becomes yarn feeding device, it is characterized in that, described tubaeform conveyance conduit (4) adopts insulating materials to make.
6. a kind of orientation electrostatic spinning nano fiber vortex spinning according to claim 1 becomes yarn feeding device, it is characterized in that, the horn mouth diameter of described tubaeform conveyance conduit (4) is formulated according to the diameter of outside metal ring (3), and guarantees that the horn mouth diameter of tubaeform conveyance conduit (4) is greater than the diameter of outside metal ring (3).
7. a kind of orientation electrostatic spinning nano fiber vortex spinning according to claim 1 becomes yarn feeding device, it is characterized in that, described vortex tube (5) is comprised of the cavity (18) that runs through bottom in the sprocket hole (14) of a side pipe wall, fresh air inlet (15) on the tube wall of bottom, the pipe plug (16) of internal upper part, the doffing tube (17) at plug (16) center and pipe.
8. a kind of orientation electrostatic spinning nano fiber vortex spinning according to claim 7 becomes yarn feeding device, it is characterized in that, described sprocket hole (14) is connected with tubaeform conveyance conduit (4) afterbody.
9. a kind of orientation electrostatic spinning nano fiber vortex spinning according to claim 7 becomes yarn feeding device, it is characterized in that, described fresh air inlet (15) is furnished with uniformly 2 to 10 on the tube wall of vortex tube (5).
10. a kind of orientation electrostatic spinning nano fiber vortex spinning according to claim 7 becomes yarn feeding device, it is characterized in that, described cavity (18) bottom is connected with the vavuum pump of bleeding (6).
11. a kind of orientation electrostatic spinning nano fiber vortex spinnings according to claim 7 become yarn feeding device, it is characterized in that, doffing tube (17) is arranged along vortex tube (5) central axial direction in described plug (16) center.
12. a kind of orientation electrostatic spinning nano fiber vortex spinnings according to claim 7 become yarn feeding device, it is characterized in that, walk yarn (13) in described doffing tube (17).
13. a kind of orientation electrostatic spinning nano fiber vortex spinnings according to claim 12 become yarn feeding device, it is characterized in that, described yarn (13) is by the delivery roller I (7) and delivery roller II (8) the combination traction that are arranged in vortex tube (5) top.
14. a kind of orientation electrostatic spinning nano fiber vortex spinnings according to claim 13 become yarn feeding device, it is characterized in that, described yarn (13) is finally wound on the Wound-up roller (9) that is arranged in highest point.
15. become yarn feeding device according to a kind of orientation electrostatic spinning nano fiber vortex spinning described in claim 1 or 10 or 13 or 14, it is characterized in that, described vortex tube (5), the vavuum pump of bleeding (6), Wound-up roller (9), delivery roller I (7) and delivery roller II (8) are arranged in the outside of radome (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320083418.4U CN203451695U (en) | 2013-02-22 | 2013-02-22 | Vortex spinning yarn forming device for oriented electrostatic spun nanofiber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320083418.4U CN203451695U (en) | 2013-02-22 | 2013-02-22 | Vortex spinning yarn forming device for oriented electrostatic spun nanofiber |
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| CN203451695U true CN203451695U (en) | 2014-02-26 |
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| CN201320083418.4U Expired - Fee Related CN203451695U (en) | 2013-02-22 | 2013-02-22 | Vortex spinning yarn forming device for oriented electrostatic spun nanofiber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103642A (en) * | 2013-02-22 | 2013-05-15 | 东华大学 | Device and method for orientation electrostatic spinning nanometer fiber vortex spun yarn |
| WO2016038539A1 (en) * | 2014-09-08 | 2016-03-17 | Tallinn University Of Technology | Device and method for preparing continuous nanofibrous yarns and bundles from electrospun fibers and fibrils |
| CN106245165A (en) * | 2016-09-21 | 2016-12-21 | 武汉纺织大学 | The method of nano electrostatic spinning resultant yarn integrated with chopped fiber air vortex spinning |
-
2013
- 2013-02-22 CN CN201320083418.4U patent/CN203451695U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103642A (en) * | 2013-02-22 | 2013-05-15 | 东华大学 | Device and method for orientation electrostatic spinning nanometer fiber vortex spun yarn |
| WO2016038539A1 (en) * | 2014-09-08 | 2016-03-17 | Tallinn University Of Technology | Device and method for preparing continuous nanofibrous yarns and bundles from electrospun fibers and fibrils |
| CN106245165A (en) * | 2016-09-21 | 2016-12-21 | 武汉纺织大学 | The method of nano electrostatic spinning resultant yarn integrated with chopped fiber air vortex spinning |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20190222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |