CN204779951U - Fuse -element differential electricity of supplementary twisting of high -velocity flow spins device - Google Patents
Fuse -element differential electricity of supplementary twisting of high -velocity flow spins device Download PDFInfo
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- CN204779951U CN204779951U CN201520474370.9U CN201520474370U CN204779951U CN 204779951 U CN204779951 U CN 204779951U CN 201520474370 U CN201520474370 U CN 201520474370U CN 204779951 U CN204779951 U CN 204779951U
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- shower nozzle
- twisting
- water tank
- outer cylinder
- annular water
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Abstract
The utility model relates to a fuse -element differential electricity of supplementary twisting of high -velocity flow spins device belongs to the electrostatic spinning field, mainly includes shower nozzle outer cylindrical, material runner, shower nozzle plug, air current pipe, hot -blast rifle, air compressor machine, heating collar, hole plate electrode, electrostatic generator, hole insulation board, water pump, rivers access road, annular water tank, annular rivers passageway, adjusting screw, regulation fixed plate, set screw, twisting funnel, trough of belt roller and collects the roller. The utility model discloses utilizing the high -velocity flow to carry out the ordered arrangement to many fibres in the basin and carrying, then get into the rotatory twisting of twisting funnel along with rivers, through control basin inclination adjustment twisting degree, fibre after the twisting falls into the trough of belt roller to carry out the compaction and draws close, finally collects single bundle of fibre of tight real twisting through collecting the roller. The device can comb the fibre high -efficiently under the prerequisite that does not influence the normal spinning of original spinning equipment to can be so that polymer melt be once shaping for twisting thread through electrostatic spinning.
Description
Technical field
The utility model relates to the melt differential electric spinning equipment that a kind of high-velocity flow assists twisting, belongs to electrostatic spinning field.
Background technology
Along with the progress of science, nanofiber, owing to having special performance and can adapt to special field, has become the focus of people's research.The method preparing nanofiber has a lot, there are meltblown, centrifugal spinning, solution electrostatic spinning, melt differential electrostatic spinning etc., but wherein meltblown is difficult to forming long fiber, and centrifugal spinning and solution electrostatic spinning have the restriction being subject to material significantly, so melt differential electrostatic spinning becomes prepare the ideal mode of nanofiber.
The fibre diameter prepared due to melt differential electrostatic spinning is very thin, in order to reach certain intensity and meet specific demand, just seems particularly important to its twisting, multiply single fiber can be made to merge by twisting.And traditional twisting equipment mechanism is complicated and can not adapt to existing melt electrostatic spinning technique well.The twisting mode that existing patent of invention " a kind of centrifugal Static Spinning nanometer twist thread high speed preparation facilities and technique " (CN103409861A) discloses its fiber to be combined with cyclone vacuum generator by air compressor and is formed swirling eddy and realize, but because wind inlet has larger air velocity, can by fiber inlet hole, form blocking, finally cause twisting unsuccessfully.Therefore a kind of twisting device for spinning that can adapt to melt differential electrostatic spinning technique is very well designed particularly important.
Utility model content
The purpose of this utility model is: fiber can not be merged into single thread effectively for existing melt differential electrostatic spinning apparatus, devises a kind of melt electrostatic spinning device auxiliary with high-velocity flow.This device can under the prerequisite not affecting the normal spinning of original device for spinning, carded fiber efficiently, and closes up nanofiber for single thread well, makes melt by electrostatic spinning once-forming for twisting thread.
The technical solution adopted in the utility model is: a kind of high-velocity flow assists the melt differential electric spinning equipment of twisting, mainly comprise shower nozzle outer cylinder, stream road, shower nozzle plug, airflow duct, heat gun, air compressor machine, heating collar, pore electrod plate, electrostatic generator, hole insulation board, water pump, flow inlet passage, annular water tank, annular flow channel, adjustment screw, adjustment fixing plate, hold-down screw, twisting funnel, trough of belt roller and collection roller, shower nozzle plug and shower nozzle outer cylinder are coaxially fixed by boss, airflow duct is connected by interference fit with shower nozzle plug, airflow duct is a little more than shower nozzle outer cylinder lower surface, airflow duct is connected with heat gun by tracheae simultaneously, heat gun is connected with air compressor machine, pore electrod plate is positioned at immediately below shower nozzle, at a distance of 15cm, is generally 10-40cm, and hole insulation board is close to battery lead plate with holes and coaxially, pore electrod plate connects electrostatic generator, the large end of annular water tank is positioned at immediately below the insulation board of hole, annular water tank is oblique to be fixed by adjustment screw and adjustment fixing plate, its angle of inclination is 30 °, threaded rotational movement by adjustment screw and adjustment fixing plate is finely tuned, adjustment fixing plate is fixed by hold-down screw, the large end of annular water tank is connected by buckling form with flow inlet passage, flow inlet expanding channels water pump, opening funnel is positioned at the side of annular water tank small end, makes tank small end just aim at the sidewall of opening funnel, maximum slot 10cm immediately below twisting funnel of trough of belt roller, is generally 5-30cm, trough of belt roller minigroove is just to collection roller, and distance is 20cm, is generally 10-40cm.
A kind of high-velocity flow of the utility model assists the melt differential electric spinning equipment of twisting, its airflow duct is connected by interference fit with shower nozzle plug, shower nozzle plug is connected with the coaxial interference of shower nozzle outer cylinder with the form of boss, uniform gap is formed, so that stream evenly circumference distribution between shower nozzle plug and shower nozzle outer cylinder; Airflow duct lower end exceeds shower nozzle plug still a little less than the inner conical surface of shower nozzle outer cylinder, ensures the validity that air-flow is assisted and does not affect the formation of taylor cone and the distribution of electric field; The mode of heating being embedded in shower nozzle outer cylinder is adopted to the heating of shower nozzle, effectively can ensure the uniformity heated.
A kind of high-velocity flow of the utility model assists the melt differential electric spinning equipment of twisting, its pore electrod plate is positioned at immediately below shower nozzle, pore electrod plate connects HV generator, form electric field with the shower nozzle outer cylinder of ground connection and carry out spinning, and below pore electrod plate, be close to one piece of hole insulation board, effectively completely cut off electrostatic field, insulation board hole, slightly larger than the hole of pore electrod plate, prevents the adhesion of fiber.
A kind of high-velocity flow of the utility model assists the melt differential electric spinning equipment of twisting, and its annular water tank is fixed on the below of hole insulation board, the large hole rectified for hole insulation board; The large end opening of annular water tank is 180 °, and then while diameter reduces, opening angle gradually becomes 60 °, is conducive to fiber and gathers better; The sidewall on annular water tank both sides has embedded annular flow channel, the entrance of annular flow channel is closer to large end, when high-velocity flow, water can enter from the entrance of passage, then eject from the outlet of upper end, can, by the fiber of water surface press-in current, make it to travel forward with current; Simultaneously current also can effectively remove in fiber with electric charge, ensure that fiber can not stick in the sidewall of annular water tank, prevent conglomeration from blocking and move downward.The large end of annular water tank is connected with the form of flow inlet passage by buckle, and the water in water pump forms plane current and then enters tank in flow inlet passage.Annular water tank tilts fixing, and angle of inclination can be regulated by two adjustment screw below it, upwards or downwards regulates the height of large end and small end, indirectly can change the angle of inclination of tank, to adapt to follow-up different twisting situation.
A kind of high-velocity flow of the utility model assists the melt differential electric spinning equipment of twisting, and its twisting funnel is positioned at the oblique below of annular water tank small end, makes the small end of annular water tank aim at the sidewall of twisting funnel; When water flows into funnel from annular water tank through sidewall, circular flow can be formed therein due to the reducing of flow area of funnel, the more smooth fiber entered in funnel can be carried out twisting to a certain degree, and then again gathered by the small end of funnel and flow out with current.
A kind of high-velocity flow of the utility model assists the melt differential electric spinning equipment of twisting, and its trough of belt roller is positioned at immediately below twisting funnel, and maximum groove is right against the outlet of funnel; Groove on trough of belt roller is right-hand screw shape, and groove width constantly reduces, and groove depth is deepened gradually, can gather further the fibre bundle after twisting; Polishing is carried out on the surface of each groove, can prevent the adhesion of fiber; Trough of belt roller rotates from inside to outside under the drive of motor, and regulates its rotating speed consistent with the speed that fiber falls by motor.
A kind of high-velocity flow of the utility model assists the melt differential electric spinning equipment of twisting, it is collected roller and is right against trough of belt roller, parallel with trough of belt roller, its smooth surface, under the driving of stepper motor, keep the linear velocity identical with trough of belt roller, winding is carried out to the fiber after twisting and collects.
From above technical scheme, the utility model compared with prior art tool has the following advantages:
1. adopt the quick current of inclination annular water tank to assist, water in tank is conducive to fiber and discharges electrostatic charge, the annular flow channel simultaneously offered in the sink contributes to fiber to be pressed in water by penetrating current in the middle part of tank, move downward with current, regulate the speed of current can prevent the accumulation of fiber simultaneously, make the arrangement that fiber is more orderly; The continuous reduction in annular water tank cross section is also conducive to gathering in advance of fiber; Adjustment screw below tank, can regulate the angle of inclination of tank, not only can finely tune the speed of current, more can adjust in time according to the whereabouts angle of ensuing fiber twisting situation to fiber and current.
2. twist the twisting mode of funnel form, with reference to the form of toilet annular water flow, by the sharply change in cross section, the current flowed into from funnel side are made to carry out hoop flowing, fiber in water has winding to a certain degree in annularly flow process, then enter slype rapidly, realize the twisting of fiber.
3. adopt the trough of belt roller of gradual change groove width and groove depth, because groove width narrows gradually, groove depth deepens gradually, and the fibre bundle after twisting, by the draw of draught line, travels forward, and realizes further gathering in groove in the roller constantly rotated.
4. in whole process, ensure that the speed of current is consistent with the speed of the whereabouts of fiber, trough of belt roller is consistent with the speed of fibre bundle, collect roller with twist gather after fibre bundle speed consistent, ensure that the long stapled good characteristic of electrostatic spinning, also ensure that twisting process continue carry out.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that a kind of high-velocity flow of the utility model assists the melt differential electric spinning equipment of twisting.
Fig. 2 assists the A-A sectional view of annular water tank in the melt differential electric spinning equipment of twisting for a kind of high-velocity flow of the utility model shown in Fig. 1.
In figure: 1-shower nozzle outer cylinder, 2-stream road, 3-shower nozzle plug, 4-airflow duct, 5-heat gun, 6-air compressor machine, 7-heating collar, 8-pore electrod plate, 9-electrostatic generator, 10-hole insulation board, 11-water pump, 12-flow inlet passage, 13-annular water tank, 14-annular flow channel, 15-adjustment screw, 16-adjustment screw fixed block, 17-hold-down screw, 18-twists funnel, 19-trough of belt roller, and 20-collects roller.
Detailed description of the invention
The utility model proposes the melt differential electric spinning equipment that a kind of high-velocity flow assists twisting, as shown in Figure 1, wherein mainly comprise: shower nozzle outer cylinder 1, stream road 2, shower nozzle plug 3, airflow duct 4, heat gun 5, air compressor machine 6, heating collar 7, pore electrod plate 8, electrostatic generator 9, hole insulation board 10, water pump 11, flow inlet passage 12, annular water tank 13, annular flow channel 14, adjustment screw 15, adjustment screw fixed block 16, hold-down screw 17, twisting funnel 18, trough of belt roller 19 and collection roller 20.Shower nozzle outer cylinder 1 locates coaxial connection with shower nozzle plug 3 by boss, stream road 2 penetrates shower nozzle outer cylinder and is communicated to the gap that shower nozzle outer cylinder 1 formed with shower nozzle plug 3, airflow duct 4 and shower nozzle plug 3 are connected and fixed by interference fit, heating collar 7 is coated on the outer surface of shower nozzle outer cylinder 1, shower nozzle outer cylinder and shower nozzle plug are heated, plastics enter shower nozzle outer cylinder 1 with the gap of shower nozzle plug 3 by stream road 2, then circumference is uniformly distributed, and plastic melt flows to bottom and form thin stream on the inner conical surface of shower nozzle outer cylinder 1; Pore electrod plate 8 connects electrostatic generator 9, pore electrod plate 8 and hole insulation board 10 are positioned at immediately below shower nozzle, form uniform electric field between pore electrod plate 8 and shower nozzle outer cylinder 1, cause and form taylor cone at the inner conical surface of shower nozzle outer cylinder 1, and spin nanofiber with the acting in conjunction of hot blast; Annular flow channel is embedded in the sidewall of annular water tank 13, annular water tank 13 is positioned at the below of hole insulation board 10, annular water tank 13 greatly end connects flow inlet passage 12, annular water tank 13 tilts to be fixed on adjustment fixing plate 16 by adjustment screw 15, and adjustment fixing plate 16 is fixed on pedestal by hold-down screw 17, the upper-lower position of adjustment adjustment screw 15 controls the angle of inclination of tank 13; The inclined-plane of opening funnel 18 is directed to the small end of annular water tank 13, and immediately below the delivery port of twisting funnel 18 is the vat end of trough of belt roller 19, and its sulculus to rectify below be collect roller 20.
Below in conjunction with concrete case study on implementation, the utility model is described in further detail.
The utility model relates to the melt differential electric spinning equipment that a kind of high-velocity flow assists twisting, such as prepare polypropylene (PP6820) nanometer to twist thread, in the preparation, open heating system in advance, and reach after design temperature until temperature, melt polypropylene enters the gap of shower nozzle outer cylinder 1 and shower nozzle plug 3 through stream road 2, after 3 minutes, to flow to bottom inner conical surface and to be uniformly distributed, then air compressor machine 6 is started, the hot blast speed in airflow duct 4 is regulated to be 5m/s, then start electrostatic generator 9, regulation voltage is 40Kv, just form uniform electric field at pore electrod plate 8 and at a distance of between the shower nozzle of 10cm, the polymer melt being evenly distributed on inner conical surface forms taylor cone and ejects fiber jet under the effect of electric field force, annular water tank 13 is fallen into after fiber passing hole battery lead plate 8 and hole insulation board 10, in high-velocity flow and annular water flow road 14 water acting in conjunction under, orderly the moving downward with current and tentatively gather of fiber, as shown in Figure 2, the angle of inclination of annular water tank 13 regulates adjustment screw 15 with realistic situation, then fiber falls into the sidewall of twisting funnel 18 with current, and form hoop current therein, the fiber aligned carries out further twisting and gathers, and pass through the small bore runner of bottom, twisting is gathered again, fiber after finally twisting falls into the groove of trough of belt roller 19, under the guiding being wrapped in the draught line in trough of belt roller 19 in advance, with the rotation of trough of belt roller 19, fiber gathers compacting again in groove, finally drops on to collect on roller 20 and carries out batching collection.
Claims (4)
1. a high-velocity flow assists the melt differential electric spinning equipment of twisting, it is characterized in that: mainly comprise shower nozzle outer cylinder, stream road, shower nozzle plug, airflow duct, heat gun, air compressor machine, heating collar, pore electrod plate, electrostatic generator, hole insulation board, water pump, flow inlet passage, annular water tank, annular flow channel, adjustment screw, adjustment fixing plate, hold-down screw, twisting funnel, trough of belt roller and collection roller, shower nozzle plug and shower nozzle outer cylinder are coaxially fixed by boss, airflow duct is connected by interference fit with shower nozzle plug, airflow duct is a little more than shower nozzle outer cylinder lower surface, airflow duct is connected with heat gun by tracheae simultaneously, heat gun is connected with air compressor machine, pore electrod plate is positioned at immediately below shower nozzle, and hole insulation board is close to battery lead plate with holes and coaxially, pore electrod plate connects electrostatic generator, the large end of annular water tank is positioned at immediately below the insulation board of hole, annular water tank is oblique to be fixed by adjustment screw and adjustment fixing plate, threaded rotational movement by adjustment screw and adjustment fixing plate is finely tuned, adjustment fixing plate is fixed by hold-down screw, the large end of annular water tank is connected by buckling form with flow inlet passage, flow inlet expanding channels water pump, opening funnel is positioned at the side of annular water tank small end, makes tank small end just aim at the sidewall of opening funnel, the maximum slot of trough of belt roller is immediately below twisting funnel, trough of belt roller minigroove is just to collection roller.
2. a kind of high-velocity flow according to claim 1 assists the melt differential electric spinning equipment of twisting, it is characterized in that: airflow duct is connected by interference fit with shower nozzle plug, shower nozzle plug is connected with the coaxial interference of shower nozzle outer cylinder with the form of boss, forms uniform gap between shower nozzle plug and shower nozzle outer cylinder; Airflow duct lower end exceeds shower nozzle plug and a little less than the inner conical surface of shower nozzle outer cylinder; The mode of heating being embedded in shower nozzle outer cylinder is adopted to the heating of shower nozzle.
3. a kind of high-velocity flow according to claim 1 assists the melt differential electric spinning equipment of twisting, it is characterized in that: pore electrod plate is positioned at immediately below shower nozzle, pore electrod plate connects HV generator, form electric field with the shower nozzle outer cylinder of ground connection and carry out spinning, and below pore electrod plate, be close to one piece of hole insulation board, insulation board hole is slightly larger than the hole of pore electrod plate.
4. a kind of high-velocity flow according to claim 1 assists the melt differential electric spinning equipment of twisting, it is characterized in that: twisting funnel is positioned at the oblique below of annular water tank small end, makes the small end of annular water tank aim at the sidewall of twisting funnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520474370.9U CN204779951U (en) | 2015-06-30 | 2015-06-30 | Fuse -element differential electricity of supplementary twisting of high -velocity flow spins device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520474370.9U CN204779951U (en) | 2015-06-30 | 2015-06-30 | Fuse -element differential electricity of supplementary twisting of high -velocity flow spins device |
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| CN204779951U true CN204779951U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520474370.9U Expired - Fee Related CN204779951U (en) | 2015-06-30 | 2015-06-30 | Fuse -element differential electricity of supplementary twisting of high -velocity flow spins device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315829A (en) * | 2018-04-24 | 2018-07-24 | 苏州大学 | Aeration type electrostatic spinning apparatus and spinning process |
| CN110644080A (en) * | 2019-09-29 | 2020-01-03 | 天津工业大学 | Continuous preparation device and continuous preparation method of nanofiber yarns |
| CN110886024A (en) * | 2019-11-06 | 2020-03-17 | 南京工业职业技术学院 | Electrostatic spinning device for preparing composite fibers |
-
2015
- 2015-06-30 CN CN201520474370.9U patent/CN204779951U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315829A (en) * | 2018-04-24 | 2018-07-24 | 苏州大学 | Aeration type electrostatic spinning apparatus and spinning process |
| CN110644080A (en) * | 2019-09-29 | 2020-01-03 | 天津工业大学 | Continuous preparation device and continuous preparation method of nanofiber yarns |
| CN110886024A (en) * | 2019-11-06 | 2020-03-17 | 南京工业职业技术学院 | Electrostatic spinning device for preparing composite fibers |
| CN110886024B (en) * | 2019-11-06 | 2021-01-01 | 南京工业职业技术学院 | Electrostatic spinning device for preparing composite fibers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |