CN106835417B - A kind of device and method preparing covering yarn using melt-blown micro fibre - Google Patents
A kind of device and method preparing covering yarn using melt-blown micro fibre Download PDFInfo
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- CN106835417B CN106835417B CN201611096968.4A CN201611096968A CN106835417B CN 106835417 B CN106835417 B CN 106835417B CN 201611096968 A CN201611096968 A CN 201611096968A CN 106835417 B CN106835417 B CN 106835417B
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- melt
- blown micro
- micro fibre
- covering yarn
- fibre
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
-
- 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
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
Abstract
The present invention relates to a kind of device and method for preparing covering yarn using melt-blown micro fibre, the present apparatus includes superfine fibre device for melt blowing, heart yarn feeding unit, friction spinning apparatus, covering yarn traction device and collection device；Superfine fibre device for melt blowing is used to prepare melt-blown micro fibre, and melt-blown micro fibre is delivered to friction spinning apparatus；Heart yarn feeding unit is used to heart yarn being delivered to friction spinning apparatus；Friction spinning apparatus is used to melt-blown micro fibre and heart yarn being processed into melt-blown micro fibre covering yarn；Covering yarn traction device is for drawing melt-blown micro fibre covering yarn to collection device.The present invention uses the characteristics of FRICTION SPINNING low-tension, reduces the requirement in traditional spinning process to fiber strength, melt-blown micro fibre is enable to be spun into yarn, and meltblown fibers are combined with conventional friction spinning, expand its use scope；The higher specific surface area of melt-blown micro fibre makes manufactured melt-blown micro fibre covering yarn have filtering and absorption property well.
Description
Technical field
The present invention relates to fabric manufacturing areas, and in particular to it is a kind of using melt-blown micro fibre prepare covering yarn device and
Method.
Background technique
Melt-blown micro fibre is thermoplastic material by being melted under the blowing of high speed hot wind, and it is super extremely to stretch formation melt-blown
Fine fibre, but just because of the ultra-fine of it, cause its strength very low, can not be used alone, so greatly limits melt-blown
The use scope of superfine fibre.Common device for melt blowing is to be directly laid down to form fusion spray cloth, nothing after melt-blown micro fibre ejection
Method collects single fiber or fibre bundle, thus can not utilize the performance of its fibre bundle.Meltblown fibers beam is without several meltblown fibers
Aggregate, thus there is very big specific surface area, then there is extraordinary filtering adsorption effect, and can overcome the disadvantages that single fiber
The insufficient problem of strength.
FRICTION SPINNING is a kind of open-end-spinning, and frictional force of the single fiber between the dust cage by revolution and is coated on heart yarn
On, dust cage, which returns, to turn around and can add dozens or even hundreds of turns to sliver, therefore low speed high yield may be implemented.Due to being certainly
It is spinned by end, thus spinning tension is small, forms true twirl, the fiberoptic scope of spinning suiting is wide.
Summary of the invention
The present invention in view of the above problems, propose it is a kind of using melt-blown micro fibre prepare covering yarn device and
Method solves the problems, such as that melt-blown micro fibre cannot spin.
The technical scheme to solve the above technical problems is that
A kind of device preparing covering yarn using melt-blown micro fibre, including superfine fibre device for melt blowing, heart yarn feeding dress
It sets, friction spinning apparatus, covering yarn traction device and collection device；
The superfine fibre device for melt blowing is used to prepare melt-blown micro fibre, and melt-blown micro fibre is delivered to FRICTION SPINNING
Yarn feeding device；
The heart yarn feeding unit is used to heart yarn being delivered to friction spinning apparatus；
The friction spinning apparatus is used to melt-blown micro fibre and heart yarn being processed into melt-blown micro fibre covering yarn；
The covering yarn traction device is for drawing melt-blown micro fibre covering yarn to collection device；
The collection device is for collecting melt-blown micro fibre covering yarn.
Further, the superfine fibre device for melt blowing includes meltblown beam, packaged air conditioner and airflow pipeline；It is described
Packaged air conditioner setting is below meltblown beam outlet, and for cooling down to the melt-blown micro fibre that meltblown beam sprays, air-flow is defeated
Send pipeline setting below packaged air conditioner outlet, for melt-blown micro fibre to be delivered to friction spinning apparatus；
The friction spinning apparatus is made of two dust cages placed side by side；
The meltblown beam is axial parallel with dust cage.
Further, the diameter of the dust cage is 40-65mm, and revolving speed takes 3000-5500r/min, the negative pressure parameter of dust cage
For 20-45kPa.
Further, the distance between the packaged air conditioner upper surface and meltblown beam lower surface range are 5-10cm, cold wind
Width of the case along breadth direction is meltblown beam along 1.1 times -1.25 times of width of breadth direction.
Further, the packaged air conditioner includes refrigeration equipment, the apparatus of air conditioning, blower, pipeline, side-blown wind system and control
System processed；
The side-blown wind system includes air duct, cabinet, porous plate and air outlet；The air duct is arranged on cabinet, is used for
Air inlet；
The porous plate uses thickness range for the stainless steel plate of 2-3mm, and percent opening range is 50%-80%, individually
Bore dia range is 1-3mm, and the quantity of the porous plate is 1-3 block, and is placed in parallel in cabinet；
The cabinet is the rectangular parallelepiped structure that side is provided with air outlet, and the air outlet sprays molten in face of meltblown beam
Spraying super-fine-fiber, cold wind blow to the melt-blown micro fibre of meltblown beam ejection by air outlet；
The air outlet includes damping screen and deflector, and the deflector uses aluminum honeycomb plate, thickness range 30-
50mm, distance L range is 3-5mm between single each pair of parallel face of honeycomb hole；Deflector two sides are provided with damping screen；It is described
Damping screen is the stainless (steel) wire or brass screen of 60-150 mesh；
The cabinet remove air outlet one side is installed other several times outer surface on be also covered with insulating layer.
Further, the heart yarn is using any one of fiber, spun yarn, long filament and low-melting fiber long filament.
Further, the linear density range of the melt-blown micro fibre covering yarn is 14tex-500tex, friction spun yarn dress
The spinning speed range set is 100-320m/min.
Further, PP, PET, PA, PLA, PE etc., fibre fineness can be used in the raw material of the superfine fibre device for melt blowing
Range is 1-5 μm.
A method of covering yarn is prepared using melt-blown micro fibre, comprising the following steps:
Step S1, superfine fibre device for melt blowing prepares melt-blown micro fibre, and melt-blown micro fibre is delivered to FRICTION SPINNING
Yarn feeding device；
Step S2, heart yarn is delivered to friction spinning apparatus by heart yarn feeding unit；
Step S3, melt-blown micro fibre and heart yarn are processed into melt-blown micro fibre covering yarn by friction spinning apparatus；
Step S4, covering yarn traction device draws melt-blown micro fibre covering yarn to collection device；
Step S5, collection device is for collecting melt-blown micro fibre covering yarn.
Further, superfine fibre device for melt blowing includes including meltblown beam, packaged air conditioner and airflow pipeline, the step
Rapid 1 specifically, meltblown beam is meltblown to obtain melt-blown micro fibre, and melt-blown micro fibre is defeated through air-flow after packaged air conditioner is cooling
Send pipeline to friction spinning apparatus.
Further, the friction spinning apparatus of the step S3 is made of two dust cages placed side by side, step 3 tool
Body is axially to convey the heart yarn to come from dust cage and converge at dust cage with the melt-blown micro fibre to come from dust cage radial delivery,
And the dust cage intermediate friction twisting turned round in the same direction at two, form melt-blown micro fibre covering yarn.
It further, further include step S4+ between step S4 and step S5 when heart yarn uses low-melting fiber long filament: will
Melt-blown micro fibre covering yarn is transported to drying chamber, is baked with being higher than the temperature of low-melting fiber long filament fusing point.
The invention has the benefit that the present invention accelerates the cooling of meltblown fibers by increasing cold side blowing, fiber is made to exist
It spins in the case where cooling completely, avoids the bonding between meltblown fibers, solved at relatively high temperatures prevented also from fiber
Orientation, meltblown fibers remain certain degree of orientation, and fiber strength improves.Meanwhile by melt-blown micro fibre from the radial direction of dust cage
Direction is input between the dust cage that two are turned round in the same direction, the characteristics of using FRICTION SPINNING low-tension, is reduced in traditional spinning process
Requirement to fiber strength, enables melt-blown micro fibre to be spun into yarn, and fiber is combined with conventional friction spinning, expands it
Use scope；The higher specific surface area of melt-blown micro fibre makes manufactured melt-blown micro fibre covering yarn have filtering well
And absorption property.
Detailed description of the invention
Fig. 1 is the device of the invention positive structure schematic；
Fig. 2 is the device of the invention side structure schematic diagram；
Fig. 3 is the cross air blasting system structure diagram of the device of the invention.
In attached drawing, the list of parts that each label represents is as follows:
1, superfine fibre device for melt blowing；2, heart yarn feeding unit；3, covering yarn traction device；4, collection device；5, dust cage；
6, hot air duct；11, meltblown beam；12, packaged air conditioner；13, airflow pipeline；14, melt-blown micro fibre；21, air duct；22,
Cabinet；23, porous plate；24, damping screen；25, deflector
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1 and Figure 2, a kind of device preparing covering yarn using melt-blown micro fibre, including superfine fibre melt-blown dress
Set 1, heart yarn feeding unit 2, friction spinning apparatus, covering yarn traction device 3 and collection device 4；
The superfine fibre device for melt blowing 1 is used to prepare melt-blown micro fibre 14, and melt-blown micro fibre 15 is delivered to
Friction spinning apparatus；
The heart yarn feeding unit 2 is used to heart yarn being delivered to friction spinning apparatus；
The friction spinning apparatus is used to melt-blown micro fibre 14 and heart yarn being processed into melt-blown micro fibre covering yarn；
The covering yarn traction device 3 is for drawing melt-blown micro fibre covering yarn to collection device 4；
The collection device 4 is for collecting melt-blown micro fibre covering yarn.
Further, the superfine fibre device for melt blowing 1 includes meltblown beam 11, packaged air conditioner 12 and airflow pipeline
13；Melt-blown micro fibre 14 of the setting of packaged air conditioner 12 below the outlet of meltblown beam 11, for being sprayed to meltblown beam 11
It is cooled down, the setting of airflow pipeline 13 is below the outlet of packaged air conditioner 12, for melt-blown micro fibre 14 to be delivered to friction
Spinning apparatus；
The friction spinning apparatus is made of two dust cages 5 placed side by side；
The meltblown beam 11 is axial parallel with dust cage 5.
The diameter of the dust cage 5 is 40-65mm, and revolving speed takes 3000-5500r/min, and the negative pressure parameter of dust cage 5 is 20-
45kPa。
The distance between 12 upper surface of packaged air conditioner and 11 lower surface of meltblown beam range are 5-10cm, 12 edge of packaged air conditioner
The width in breadth direction is meltblown beam along 1.1 times -1.25 times of width of breadth direction.
The packaged air conditioner 12 includes refrigeration equipment, the apparatus of air conditioning, blower, pipeline, side-blown wind system and control system；
As shown in figure 3, the side-blown wind system includes air duct 21, cabinet 22, porous plate 23 and air outlet；The air duct 21
It is arranged on cabinet 22, for entering the wind；
The porous plate 23 uses thickness range for the stainless steel plate of 2-3mm, and percent opening range is 50%-80%, single
A bore dia range is 1-3mm, and the quantity of the porous plate 23 is 1-3 block, and is placed in parallel in cabinet；
The cabinet is the rectangular parallelepiped structure that side is provided with air outlet, and the air outlet is sprayed in face of meltblown beam 11
Melt-blown micro fibre 14, cold wind blow to the melt-blown micro fibre 14 of the ejection of meltblown beam 11 by air outlet；
The air outlet includes damping screen 24 and deflector 25, and the deflector 25 uses aluminum honeycomb plate, thickness range
For 30-50mm, distance L range is 3-5mm between single each pair of parallel face of honeycomb hole；25 two sides of deflector are provided with damping
Net 24；The damping screen 24 is the stainless (steel) wire or brass screen of 60-150 mesh；
The cabinet 22 remove air outlet one side is installed other several times outer surface on be also covered with insulating layer.
The heart yarn is using any one of fiber, spun yarn, long filament and low-melting fiber long filament.
The linear density range of the melt-blown micro fibre covering yarn is 14tex-500tex, the spinning speed of friction spinning apparatus
Degree range is 100-320m/min.
PP, PET, PA, PLA, PE etc. can be used in the raw material of the superfine fibre device for melt blowing, and fibre fineness range is 1-5 μ
m。
A method of covering yarn is prepared using melt-blown micro fibre, comprising the following steps:
Step S1, superfine fibre device for melt blowing 1 prepares melt-blown micro fibre 14, and melt-blown micro fibre 14 is delivered to and is rubbed
Wipe spinning apparatus；
Step S2, heart yarn is delivered to friction spinning apparatus by heart yarn feeding unit 2；
Step S3, melt-blown micro fibre 14 and heart yarn are processed into melt-blown micro fibre covering yarn by friction spinning apparatus；
Step S4, covering yarn traction device 3 draws melt-blown micro fibre covering yarn to collection device；
Step S5, collection device is for collecting melt-blown micro fibre covering yarn.
The superfine fibre device for melt blowing 1 include include meltblown beam 11, packaged air conditioner 12 and airflow pipeline 13, it is described
For step 1 specifically, the melt-blown of meltblown beam 11 obtains melt-blown micro fibre 14, melt-blown micro fibre 14 is cooling by packaged air conditioner 12
Afterwards, friction spinning apparatus is delivered to through airflow pipeline 13.
The friction spinning apparatus of the step S3 is made of two dust cages 5 placed side by side, the step 3 specifically, from
Dust cage 5 axially conveys the heart yarn to come and converges at dust cage 5 with the melt-blown micro fibre to come from 5 radial delivery of dust cage, and
Two 5 intermediate friction of dust cage twisting turned round in the same direction, form melt-blown micro fibre covering yarn.
When heart yarn uses low-melting fiber long filament, further includes step S4+ between step S4 and step S5: ultra-fine fibre will be meltblown
Dimension covering yarn is transported to drying chamber, is baked with being higher than the temperature of low-melting fiber long filament fusing point.
The following is an embodiment of the present invention:
Embodiment 1
A kind of device being prepared covering yarn using melt-blown micro fibre, hopper are connected with screw extruder pipeline, metering pump
Connecting screw extruder and meltblown beam 1, hot air duct 6 are distributed in spinneret orifice two sides, are packaged air conditioner 12, cold wind below spinneret
Airflow pipeline 13 is coupled underneath in case 12, and heart yarn feeding unit 2 is two dust cages 5 placed side by side, airflow pipeline
13 outlet is led between two dust cages, and core fibers are fed on the left of dust cage 5, and covering yarn traction device 3 uses delivery roller,
Delivery roller is placed in 5 right side of dust cage, is provided with collection device above delivery roller, collection device 4 uses winding bobbin.It uses
When, it is ultra-fine that core fibers and the airflow pipeline 13 above dust cage 5 conveyed on the left of dust cage 5 conveys the melt-blown to come
Fiber converges, dust cage 5 revolution generate frictional force make melt-blown micro fibre be coated on core fibers aggregate surface and generate plus
It twists, obtains melt-blown micro fibre covering yarn of the melt-blown micro fibre outside, including core fibers.Melt-blown micro fibre is being wrapped in
External melt-blown micro fibre covering yarn has good absorption and strainability, and core fibers are only added in spinning dust cage
It twists, therefore the more fluffy softness of melt-blown micro fibre covering yarn.
Embodiment 2
A kind of device being prepared covering yarn using melt-blown micro fibre, hopper are connected with screw extruder pipeline, metering pump
Connecting screw extruder and meltblown beam 1, hot air duct 6 are distributed in spinneret orifice two sides, are packaged air conditioner 12, cold wind below spinneret
Airflow pipeline 13 is coupled underneath in case 12, and heart yarn feeding unit 2 is two dust cages 5 placed side by side, airflow pipeline
13 outlet is led between two dust cages, and spun yarn is fed on the left of dust cage 5, and covering yarn traction device 3 uses delivery roller, draws
Leno drawing is placed in 5 right side of dust cage, is provided with collection device above delivery roller, collection device 4 uses winding bobbin.In use,
The airflow pipeline 13 above the spun yarn and dust cage 5 come is conveyed on the left of dust cage 5 conveys the melt-blown micro fibre to come
Converge, the frictional force that the revolution of dust cage 5 generates makes melt-blown micro fibre be coated on spun yarn aggregate surface and generates twisting, obtains
Melt-blown micro fibre covering yarn of the melt-blown micro fibre outside, including spun yarn.Melt-blown micro fibre is being wrapped in external melt
Spraying super-fine-fiber covering yarn has good absorption and strainability, and spun yarn provides the good strength of yarn.
Embodiment 3
A kind of device being prepared covering yarn using melt-blown micro fibre, hopper are connected with screw extruder pipeline, metering pump
Connecting screw extruder and meltblown beam 1, hot air duct 6 are distributed in spinneret orifice two sides, are packaged air conditioner 12, cold wind below spinneret
Airflow pipeline 13 is coupled underneath in case 12, and heart yarn feeding unit 2 is two dust cages 5 placed side by side, airflow pipeline
13 outlet is led between two dust cages, and long filament is fed on the left of dust cage 5, and covering yarn traction device 3 uses delivery roller, draws yarn
Roller is placed in 5 right side of dust cage, is provided with collection device above delivery roller, collection device 4 uses winding bobbin.In use, from
The airflow pipeline 13 that the long filament and 5 top of dust cage that come are conveyed on the left of dust cage 5 conveys the melt-blown micro fibre to come and converges,
The frictional force that the revolution of dust cage 5 generates makes melt-blown micro fibre be coated on long filament aggregate surface and generates twisting, and it is super to obtain melt-blown
Melt-blown micro fibre covering yarn of the fine fibre outside, including long filament.Melt-blown micro fibre is being wrapped in the external ultra-fine fibre of melt-blown
Tieing up covering yarn has good absorption and strainability, including filament fiber, assigns yarn higher mechanics strength.
Embodiment 4
A kind of device being prepared covering yarn using melt-blown micro fibre, hopper are connected with screw extruder pipeline, metering pump
Connecting screw extruder and meltblown beam 1, hot air duct 6 are distributed in spinneret orifice two sides, are packaged air conditioner 12, cold wind below spinneret
Airflow pipeline 13 is coupled underneath in case 12, and heart yarn feeding unit 2 is two dust cages 5 placed side by side, airflow pipeline
13 outlet is led between two dust cages, and low-melting fiber long filament is fed on the left of dust cage 5, and covering yarn traction device 3, which uses, to be drawn
Leno is drawn, and delivery roller is placed in 5 right side of dust cage, is provided with collection device above delivery roller, collection device 4 uses winch spool
Son.In use, the airflow pipeline 13 conveyed above the low-melting fiber long filament and dust cage 5 come on the left of dust cage 5 conveys
The melt-blown micro fibre to come over converges, and it is long that the frictional force that the revolution of dust cage 5 generates makes melt-blown micro fibre be coated on low-melting fiber
Silk aggregate surface simultaneously generates twisting, obtains the melt-blown micro fibre of melt-blown micro fibre outside, including low-melting fiber long filament
Covering yarn.Covering yarn is transported to drying chamber, is baked with being higher than the temperature of low-melting fiber long filament fusing point.Melt-blown micro fibre
There is good absorption and strainability, low-melting fiber fusing, melt-blown being wrapped in external melt-blown micro fibre covering yarn
Close adhesion between superfine fibre improves the strength of melt-blown micro fibre covering yarn.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of device for preparing covering yarn using melt-blown micro fibre, it is characterised in that: including superfine fibre device for melt blowing
(1), heart yarn feeding unit (2), friction spinning apparatus, covering yarn traction device (3) and collection device (4)；
The superfine fibre device for melt blowing (1) is used to prepare melt-blown micro fibre (14), and melt-blown micro fibre (14) are conveyed
To friction spinning apparatus；
The heart yarn feeding unit (2) is used to heart yarn being delivered to friction spinning apparatus；
The friction spinning apparatus is used to melt-blown micro fibre (14) and heart yarn being processed into melt-blown micro fibre covering yarn；
The covering yarn traction device (3) is for drawing melt-blown micro fibre covering yarn to collection device (4)；
The collection device (4) is for collecting melt-blown micro fibre covering yarn；
The superfine fibre device for melt blowing (1) includes meltblown beam (11), packaged air conditioner (12) and airflow pipeline (13)；Institute
It states packaged air conditioner (12) setting and exports lower section in meltblown beam (11), the melt-blown micro fibre for being sprayed to meltblown beam (11)
(14) it is cooled down, airflow pipeline (13) setting exports lower section in packaged air conditioner (12), is used for melt-blown micro fibre (14)
It is delivered to friction spinning apparatus；
The friction spinning apparatus is made of two dust cages (5) placed side by side；
The meltblown beam (11) is axial parallel with dust cage (5).
2. the device according to claim 1 for preparing covering yarn using melt-blown micro fibre, which is characterized in that the dust cage
(5) diameter range is 40-65mm, and range of speeds 3000-5500r/min, the negative pressure parameter area of dust cage (5) is 20-
45kPa。
3. the device according to claim 1 for preparing covering yarn using melt-blown micro fibre, which is characterized in that the cold wind
The distance between case (12) upper surface and meltblown beam (11) lower surface range are 5-10cm, and packaged air conditioner (12) is along breadth direction
Width is meltblown beam (11) along 1.1 times -1.25 times of width of breadth direction.
4. the device according to claim 2 for preparing covering yarn using melt-blown micro fibre, which is characterized in that the cold wind
Case (12) includes refrigeration equipment, the apparatus of air conditioning, blower, pipeline, side-blown wind system and control system；
The side-blown wind system includes air duct (21), cabinet (22), porous plate (23) and air outlet；Air duct (21) setting exists
On cabinet (22), for entering the wind；
The porous plate (23) uses thickness range for the stainless steel plate of 2-3mm, and percent opening range is 50%-80%, individually
Bore dia range is 1-3mm, and the quantity of the porous plate (23) is 1-3 block, and is placed in parallel in cabinet；
The cabinet is the rectangular parallelepiped structure that side is provided with air outlet, and the air outlet sprays molten in face of meltblown beam (11)
Spraying super-fine-fiber (14), cold wind blow to the melt-blown micro fibre (14) of meltblown beam (11) ejection by air outlet；
The air outlet includes damping screen (24) and deflector (25), and the deflector (25) uses aluminum honeycomb plate, thickness model
It encloses for 30-50mm, distance L range is 3-5mm between single each pair of parallel face of honeycomb hole；Deflector (25) two sides are provided with
Damping screen (24)；The damping screen (24) is the stainless (steel) wire or brass screen of 60-150 mesh；
The cabinet (22) remove air outlet one side is installed other several times outer surface on be also covered with insulating layer.
5. the device according to claim 1 for preparing covering yarn using melt-blown micro fibre, it is characterised in that: the heart yarn
Using any one of spun yarn and low-melting fiber long filament.
6. the device according to claim 1-5 for preparing covering yarn using melt-blown micro fibre, it is characterised in that:
The linear density range of the melt-blown micro fibre covering yarn is 14tex-500tex, and the spinning speed range of friction spinning apparatus is
100-320m/min。
7. a kind of method for preparing covering yarn using melt-blown micro fibre, which comprises the following steps:
Step S1, superfine fibre device for melt blowing (1) is prepared melt-blown micro fibre (14), and melt-blown micro fibre (14) is delivered to
Friction spinning apparatus；
Step S2, heart yarn is delivered to friction spinning apparatus by heart yarn feeding unit (2)；
Step S3, melt-blown micro fibre (14) and heart yarn are processed into melt-blown micro fibre covering yarn by friction spinning apparatus；
Step S4, covering yarn traction device (3) draws melt-blown micro fibre covering yarn to collection device；
Step S5, collection device is for collecting melt-blown micro fibre covering yarn.
8. the method according to claim 7 for preparing covering yarn using melt-blown micro fibre, which is characterized in that the step
The friction spinning apparatus of S3 is made of two dust cages (5) placed side by side, and the step S3 is specifically, axial defeated from dust cage (5)
The heart yarn brought converges at dust cage (5) with the melt-blown micro fibre to come from dust cage (5) radial delivery, and in the same direction at two
Dust cage (5) intermediate friction of revolution is twisted, and melt-blown micro fibre covering yarn is obtained.
9. the method according to claim 7 for preparing covering yarn using melt-blown micro fibre, which is characterized in that heart yarn uses
Further include step S5+ between step S4 and step S5 when low-melting fiber long filament: melt-blown micro fibre covering yarn is transported to baking
Room is baked with being higher than the temperature of low-melting fiber long filament fusing point.
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| CN201611096968.4A CN106835417B (en) | 2016-12-02 | 2016-12-02 | A kind of device and method preparing covering yarn using melt-blown micro fibre |
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| CN109750362A (en) * | 2018-12-21 | 2019-05-14 | 武汉纺织大学 | A kind of melt-blown-friction spinning apparatus and the yarn method processed carried out with it |
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