CN103352265B - Method and device of micro-scale melt spinning - Google Patents
Method and device of micro-scale melt spinning Download PDFInfo
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- CN103352265B CN103352265B CN201310321963.7A CN201310321963A CN103352265B CN 103352265 B CN103352265 B CN 103352265B CN 201310321963 A CN201310321963 A CN 201310321963A CN 103352265 B CN103352265 B CN 103352265B
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Abstract
The invention relates to a method and device of micro-scale melt spinning. The spinning device comprises a compression system, a spinning system, a feeding system, a cooling system, a stretching system and a combined support. The diameter of a material cylinder of the spinning system is 5mm-6mm and a spinning jet is placed at the bottom of the material cylinder. Before melt spinning is conducted, a cast aluminum soaking block and a heating cylinder are respectively regulated to a preset temperature, spinning resin is added in a material hopper and pressed in the material cylinder by a feeding plunger piston, and after the resin is molten, the molten resin is extruded from the spinning jet through the spinning plunger piston; after extruded molten thin flows solidify through air cooling, the extruded molten thin flows are manually drawn to a yarn guide roller and a winding roller for spinning. The melt spinning device is compact in structure, convenient to assemble and disassemble, small in occupied space, convenient to operate, and capable of enabling the whole process to be accomplished by one person. The resin needed for accomplishing a single time spinning test is 3g-5g, so that the method is suitable for the spinning test of the synthetic resin. The spinning device is also suitable for serving as a presentation device in class and satisfying the requirements for teaching.
Description
Technical field
The present invention relates to a kind of spining technology of artificial fibre, be specifically related to a kind of the micro melting spinning equipment and the spinning technique thereof that are applicable to laboratory.
Background technology
The range of application of laboratory melt spinning filament equipment is more and more extensive, the major part that market can have been bought is small-sized spinning equipment, as the publication number Chinese utility model patent that is CN 202499939U a kind of intelligent multifunction Fresh fats test spinning machine of providing, described test spinning machine comprises: form spinning portion by spinning material hopper, melting screw extruder, measuring pump, interior spinning manifold by melt pipe and filament spinning component; The spinning moulding part be made up of lateral blowing system, oil nozzle, traveller, draw-off godet; The winding part be made up of the first hot-rolling, hot plate, the second hot-rolling, Network device and winding head; It is characterized in that described screw extruder, spinning manifold, lateral blowing system, the first hot-rolling, the second hot-rolling, winding head are all arranged in same aspect; This equipment can simulate the whole production process of melt-spun filaments, and the consumption of the resin raw material needed for single test-run a machine is generally at more than 1kg.But, the micro-spinning equipment that laboratory more needs raw material use amount less, and they are generally electrostatic spinning or wet spinning equipment, cannot formation rule long filament, as the Chinese utility model patent " a kind of Regenerated halabe silke micro-spinning machine " etc. of publication number to be the Chinese invention patent " a kind of high-voltage electrostatic shuttle nano spinning device " of CN 102071484 A and publication number be CN 2685358Y.
At present, the micro melting spinning equipment of continuous filament yarn can be spinned, as the miniature spinning machine of Micro fiber spin device of Dutch DSM Explore company, Minitype twin-screw extrusion machine is adopted to export resin melt, and stretch by the fiber of subsidiary draw unit to spinning, reel, the material needed for single test-run a machine is minimum is 2ml.And for example the miniature spinning equipment of the SpinLink of U.S. DACA Instruments company adopts the mode of plunger conveying to extrude resin melt, resin demand needed for single spinning is 5cc, and subsidiary combined type stretching assembly, melt spinning method can be adopted to prepare continuous filament yarn.But these device structures are complicated, and expensive.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, provide a kind of structure simple, cheap, be applicable to micro melting device for spinning and the spinning process thereof of experiment.
The present invention is that the technical scheme taked that solves the problem is to provide a kind of micro melting spinning equipment, comprises compression system, spinning system, charging system, cooling system, tensioning system and sectional shelf-unit; Spinning system is unsettled fixing by sectional shelf-unit, and compression system is placed in the top of spinning system, and charging system is placed in the side of spinning system, and cooling system is placed in the middle of spinning system and tensioning system, is fixed by sectional shelf-unit; Described spinning system, the diameter of barrel is 5 ~ 6mm, and outlet at bottom place is provided with a circumferential lateral edge, and diameter is 4mm; The external diameter of spinning head is 5mm, and internal diameter is 0.5 ~ 1.2mm, is placed in the bottom of barrel; Spinning plunger is placed in barrel, and the top of spinning plunger is connected with compression system; The outside of barrel is provided with cast aluminium soaking block, and asbestos heat-insulation layer is coated on the outside of cast aluminium soaking block, and thermal insulation board is separately positioned on the upper and lower of cast aluminium soaking block; Described charging system, reinforced plunger is connected with hopper, is placed in the side of spinning system, and the axis of reinforced plunger and barrel is the angle of 30 ~ 60 °.
Cooling system of the present invention comprises annular hollow out aluminum pipe and two fans; Fan is placed in the outside of annular hollow out aluminum pipe, symmetrically arranges.Described tensioning system, godet roller is placed in the below of spinning head, and Kun and seal wire Kun is arranged in parallel for winding, and cartridge heater is placed between seal wire Kun and winding Kun.
Technical solution of the present invention also comprises a kind of method adopting device as above to carry out micro melting spinning, comprises the steps:
1, the temperature of cast aluminium soaking block and cartridge heater is heated to 220 DEG C ~ 280 DEG C respectively, after temperature stabilization, in hopper, adds spinning resin slicer, be pressed in barrel with reinforced plunger;
2, after resin slicer melting, stress on spinning plunger by compression system, resin melt is extruded in spinning head;
3, the melt stream extruded, after fan wind condensation is solid, hand traction to godet roller and winding Kun carries out stretch, spinning, and draft temperature is 110 DEG C ~ 160 DEG C; The filament diameter obtained is 30um ~ 100um.
In spinning technique, the rotating speed of seal wire Kun is 40m/min ~ 80m/min; The rotating speed of winding Kun is 90m/min ~ 140m/min.
Compared with the prior art, the beneficial effect of micro melting spinning machine provided by the invention is: spinning machine compact conformation, and be convenient to dismounting, floor space is little, simple operation, singlely can complete whole flow process.The resin completed needed for single spinning experiment is only 3 ~ 5g, except the fiber that can spin as conventional synthetic resin such as polyester, nylon, polypropylene, difform spinning head also can be selected to prepare profiled filament, be suitable for the Spinning of novel synthetic resin, for test provides reliable basis further; Meanwhile, this kind of spinning equipment is directly perceived, presses close to produce actual, is suitable as class demonstration device, with satisfied teaching needs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the micro melting spinning machine that the embodiment of the present invention provides;
Fig. 2 is the structural representation of the spinning system of the micro melting spinning machine that the embodiment of the present invention provides;
Fig. 3 is the electromicroscopic photograph figure of fiber prepared by the micro melting spinning machine adopting the embodiment of the present invention to provide;
In figure, 1, compression system; 2, spinning system; 3, charging system; 4, cooling system; 5, tensioning system; 6, sectional shelf-unit; 7, barrel; 8, spinning head; 9, spinning plunger; 10, cast aluminium soaking block; 11, asbestos heat-insulation layer; 12, thermal insulation board; 13, reinforced plunger; 14, hopper; 15, annular hollow out aluminum pipe; 16, small-sized fans; 17, seal wire Kun; 18, take up roll; 19, cartridge heater; 20, lateral support beam; 21, longitudinal carrier.
Detailed description of the invention
Embodiment 1
See accompanying drawing 1, it is the structural representation of the micro melting spinning machine that the present embodiment provides; Micro melting spinning machine comprises compression system 1, spinning system 2, charging system 3, cooling system 4, tensioning system 5 and sectional shelf-unit 6; Spinning system 2 is unsettled fixing by sectional shelf-unit 6, compression system 1 is placed in the top of spinning system 2, and charging system 3 is placed in the side of spinning system 2, and cooling system 4 is placed between spinning system 2 and tensioning system 5, and fixed by sectional shelf-unit 6, tensioning system 5 is placed in the bottom of complete machine.
Cooling system 4 comprises annular hollow out aluminum pipe 15 and two small-sized fanses 16, and small-sized fans 16 is placed in the outside of annular hollow out aluminum pipe 15, and symmetrically arranges.
Tensioning system 5 comprises seal wire Kun 17, take up roll 18 and cartridge heater 19, and godet roller 17 is placed in rolls up position immediately below corresponding to spinning head, and winding Kun 18 is arranged in parallel with seal wire Kun 17, and cartridge heater 19 is placed in the middle of seal wire Kun 17 and winding Kun 18.
Sectional shelf-unit 6 comprises lateral support beam 20 and longitudinal carrier 21, and cross-brace beam 20 is fixed on spinning system 2 and cooling system 4 both sides, and longitudinal carrier 21 is connected with the end of cross-brace beam 20.
See accompanying drawing 2, it is the structural representation of the spinning system of the micro melting spinning machine that the present embodiment provides; Charging system is placed in the side of spinning system, and the reinforced plunger 13 of charging system is connected with hopper 14, and reinforced plunger 13 and the axis of barrel 7 are the angle of 30 ~ 60 °.In spinning system 2, the diameter of barrel 7 is 5 ~ 6mm, there is a circumferential lateral edge its outlet at bottom position, diameter is 4mm, spinning head 8 is positioned over the bottom of barrel 7, the external diameter of spinning head 8 is 5mm, and internal diameter is 0.5 ~ 1.2mm, and the shape of its cross section can be circle, triangle, square, ellipse, cross and rhombus etc.; Spinning plunger 9 is placed in barrel 7, and top is connected with compression system 1, controls its on-load pressure; The coated cast aluminium soaking in the outside block 10 of barrel 7, asbestos heat-insulation layer 11 is coated on the outside of cast aluminium soaking block 10, and thermal insulation board 12 is separately positioned on the upper and lower of cast aluminium soaking block 10.
Before carrying out melt spinning experiment, first cast aluminium soaking block 10 and cartridge heater 19 are adjusted to preset temperature respectively, after temperature stabilization, in hopper 14, add spinning resin, and be pressed in the middle of barrel 7 with reinforced plunger 13.Preheating 1 ~ 5min, after resin melting, is extruded resin melt by spinning plunger 9 in spinning head 7; The melt stream extruded through small-sized fans 16 is air-cooled solidify after, hand traction to godet roller 17 with on winding Kun 18.Then respectively seal wire Kun 17 and winding Kun 18 are adjusted to preset rotation speed, carry out spinning.
In the present embodiment, spinning temperature 230 DEG C, draft temperature 120 DEG C is preset.After temperature stabilization, 5g polypropylene chip is poured in hopper 14, and with the compacting of reinforced plunger 13, preheating 1min; Then, by spinning plunger 9, resin melt is extruded in spinning head 7.Melt stream is after small-sized fans 16 cools, and seal wire Kun 17 and the rotating speed of winding Kun 18 on seal wire Kun 17 and take up roll 18, and are adjusted to 50m/min and 100m/min by hand traction respectively, carry out spinning, obtain even, continuous print long filament.See accompanying drawing 3, it is the electromicroscopic photograph figure of the fiber adopting the micro melting spinning machine that provides of the present embodiment to prepare, the fibre diameter that spins be about 55um.
Embodiment 2
The micro melting spinning machine adopting embodiment 1 to provide carries out spinning, and process conditions are: preset spinning temperature 260 DEG C, draft temperature 130 DEG C.After temperature stabilization, 4g nylon 6 slice is poured in hopper, and with reinforced plunger compacting, preheating 1min; Then, by spinning plunger, resin melt is extruded in spinning head.Melt stream through cold small-sized fans but after, hand traction on seal wire Kun and take up roll, and by seal wire Kun with winding Kun rotating speed be adjusted to 70m/min and 120m/min respectively, carry out spinning.The fibre diameter that spins be about 50um.
Embodiment 3
The micro melting spinning machine adopting embodiment 1 to provide carries out spinning, and process conditions are: preset spinning temperature 268 DEG C, draft temperature 150 DEG C.After temperature stabilization, 3g poliester chip is poured among hopper, and with reinforced plunger compacting, preheating 1min; Then, by spinning plunger, resin melt is extruded in spinning head.Melt stream through cold small-sized fans but after, hand traction on seal wire Kun and take up roll, and by seal wire Kun with winding Kun rotating speed be adjusted to 60m/min and 120m/min respectively, carry out spinning.The fibre diameter that spins be about 40um.
Claims (5)
1. a micro melting device for spinning, is characterized in that: comprise compression system (1), spinning system (2), charging system (3), cooling system (4), tensioning system (5) and sectional shelf-unit (6); Spinning system (2) is unsettled fixing by sectional shelf-unit (6), compression system (1) is placed in the top of spinning system (2), charging system (3) is placed in the side of spinning system (2), it is middle with tensioning system (5) that cooling system (4) is placed in spinning system (2), fixed by sectional shelf-unit (6); Described spinning system, the diameter of barrel (7) is 5 ~ 6mm, and outlet at bottom place is provided with a circumferential lateral edge, and diameter is 4mm; The external diameter of spinning head (8) is 5mm, and internal diameter is 0.5 ~ 1.2mm, is placed in the bottom of barrel (7); Spinning plunger (9) is placed in barrel (7), and the top of spinning plunger (9) is connected with compression system (1); The outside of barrel (7) is provided with cast aluminium soaking block (10), and asbestos heat-insulation layer (11) is coated on the outside of cast aluminium soaking block (10), and thermal insulation board (12) is separately positioned on the upper and lower of cast aluminium soaking block (10); Described charging system (3), reinforced plunger (13) is connected with hopper (14), is placed in the side of spinning system (2), and reinforced plunger (13) and the axis of barrel (7) are the angle of 30 ~ 60 °.
2. a kind of micro melting device for spinning according to claim 1, is characterized in that: described cooling system (4) comprises annular hollow out aluminum pipe (15) and two fans (16); Fan (16) is placed in the outside of annular hollow out aluminum pipe (15), symmetrically arranges.
3. a kind of micro melting device for spinning according to claim 1, it is characterized in that: described tensioning system, godet roller (17) is placed in the below of spinning head (8), take up roll (18) is arranged in parallel with godet roller (17), and cartridge heater (19) is placed between godet roller (17) and take up roll (18).
4. adopt device as claimed in claim 1 to carry out a method for micro melting spinning, it is characterized in that comprising the steps:
(1) temperature of cast aluminium soaking block and cartridge heater is heated to 220 DEG C ~ 280 DEG C respectively, after temperature stabilization, in hopper, adds spinning resin slicer, be pressed in barrel with reinforced plunger;
(2) after resin slicer melting, stress on spinning plunger by compression system, resin melt is extruded in spinning head;
(3) melt stream extruded, after fan wind condensation is solid, hand traction to godet roller and take up roll carries out stretch, spinning, and draft temperature is 110 DEG C ~ 160 DEG C; The filament diameter obtained is 30um ~ 100um.
5. the method for a kind of micro melting spinning according to claim 4, is characterized in that: the rotating speed of godet roller is 40m/min ~ 80m/min; The rotating speed of take up roll is 90m/min ~ 140m/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310321963.7A CN103352265B (en) | 2013-07-29 | 2013-07-29 | Method and device of micro-scale melt spinning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310321963.7A CN103352265B (en) | 2013-07-29 | 2013-07-29 | Method and device of micro-scale melt spinning |
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| CN103352265A CN103352265A (en) | 2013-10-16 |
| CN103352265B true CN103352265B (en) | 2015-06-17 |
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| CN201310321963.7A Active CN103352265B (en) | 2013-07-29 | 2013-07-29 | Method and device of micro-scale melt spinning |
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| CN108505129A (en) * | 2018-04-09 | 2018-09-07 | 南京捷纳思新材料有限公司 | A kind of device for spinning and technique preparing ordered nano-fibers array |
Citations (7)
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|---|---|---|---|---|
| KR200188604Y1 (en) * | 2000-02-11 | 2000-07-15 | 주식회사나노테크닉스 | A spinning device for the experiment and research |
| CN102071484A (en) * | 2011-02-22 | 2011-05-25 | 张靓 | High-voltage electrostatic shuttle nano spinning device |
| CN201990775U (en) * | 2011-01-25 | 2011-09-28 | 北京中丽制机工程技术有限公司 | Spinning system |
| CN102517666A (en) * | 2011-12-20 | 2012-06-27 | 哈尔滨工业大学 | Device for spinning polyarylate fiber in laboratory |
| CN102586904A (en) * | 2012-03-14 | 2012-07-18 | 哈尔滨工业大学 | Miniature dry-jetting wet-spinning equipment |
| CN202499939U (en) * | 2011-08-25 | 2012-10-24 | 杭州泛林科技有限公司 | Intelligent multifunctional novel fiber test spinning machine |
| CN203602772U (en) * | 2013-07-29 | 2014-05-21 | 苏州大学 | Melt fiber spin device needing a little amount of raw material |
-
2013
- 2013-07-29 CN CN201310321963.7A patent/CN103352265B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200188604Y1 (en) * | 2000-02-11 | 2000-07-15 | 주식회사나노테크닉스 | A spinning device for the experiment and research |
| CN201990775U (en) * | 2011-01-25 | 2011-09-28 | 北京中丽制机工程技术有限公司 | Spinning system |
| CN102071484A (en) * | 2011-02-22 | 2011-05-25 | 张靓 | High-voltage electrostatic shuttle nano spinning device |
| CN202499939U (en) * | 2011-08-25 | 2012-10-24 | 杭州泛林科技有限公司 | Intelligent multifunctional novel fiber test spinning machine |
| CN102517666A (en) * | 2011-12-20 | 2012-06-27 | 哈尔滨工业大学 | Device for spinning polyarylate fiber in laboratory |
| CN102586904A (en) * | 2012-03-14 | 2012-07-18 | 哈尔滨工业大学 | Miniature dry-jetting wet-spinning equipment |
| CN203602772U (en) * | 2013-07-29 | 2014-05-21 | 苏州大学 | Melt fiber spin device needing a little amount of raw material |
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| CN103352265A (en) | 2013-10-16 |
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