CN106835417A - A kind of utilization melt-blown micro fibre prepares the device and method of covering yarn - Google Patents
A kind of utilization melt-blown micro fibre prepares the device and method of covering yarn Download PDFInfo
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- CN106835417A CN106835417A CN201611096968.4A CN201611096968A CN106835417A CN 106835417 A CN106835417 A CN 106835417A CN 201611096968 A CN201611096968 A CN 201611096968A CN 106835417 A CN106835417 A CN 106835417A
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- covering yarn
- yarn
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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
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- 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
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- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The present invention relates to the device and method that a kind of utilization melt-blown micro fibre prepares covering yarn, the present apparatus includes superfine fibre device for melt blowing, heart yarn feeding unit, friction spinning apparatus, covering yarn draw-gear and collection device；Superfine fibre device for melt blowing is used to prepare melt-blown micro fibre, and melt-blown micro fibre is delivered into friction spinning apparatus；Heart yarn feeding unit is used to for heart yarn to be delivered to friction spinning apparatus；Friction spinning apparatus are used to for melt-blown micro fibre and heart yarn to be processed into melt-blown micro fibre covering yarn；Covering yarn draw-gear is used to draw melt-blown micro fibre covering yarn to collection device.The characteristics of present invention is with FRICTION SPINNING low-tension, reduces the requirement to fiber strength in traditional spinning process, melt-blown micro fibre is spun into yarn, meltblown fibers and conventional friction is spun and is combined, and expands it and uses scope；Melt-blown micro fibre specific surface area higher causes that the melt-blown micro fibre covering yarn being made has filtering and absorption property well.
Description
Technical field
The present invention relates to fabric manufacturing area, and in particular to a kind of utilization melt-blown micro fibre prepare covering yarn device and
Method.
Background technology
Melt-blown micro fibre is that thermoplastic process is melted under the injection of high speed hot blast, and extremely stretching forms melt-blown super
Fine fibre, but just because of the ultra-fine of it, cause its strength very low, it is impossible to be used alone, so greatly limit 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 cannot utilize the performance of its fibre bundle.Meltblown fibers beam is without several meltblown fibers
Aggregate, thus with very big specific surface area, then there is extraordinary filtering adsorption effect, and can overcome the disadvantages that single fiber
Strong hypodynamic problem.
FRICTION SPINNING is a kind of open-end-spinning, and single fiber is being coated on heart yarn by the frictional force between the dust cage for turning round
On, dust cage returns and turns around and to sliver plus tens or even hundreds of turns, therefore can realize low speed high yield.Due to being certainly
Spinned by end, thus spinning tension is small, forms true sth. made by twisting, the fiberoptic scope of spinning suiting is wide.
The content of the invention
The present invention be directed to above-mentioned problem, it is proposed that a kind of utilization melt-blown micro fibre prepare covering yarn device and
Method, efficiently solves the problems, such as that melt-blown micro fibre can not spin.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of utilization melt-blown micro fibre prepares the device of covering yarn, including superfine fibre device for melt blowing, heart yarn feeding dress
Put, friction spinning apparatus, covering yarn draw-gear 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 into FRICTION SPINNING
Yarn feeding device；
The heart yarn feeding unit is used to for heart yarn to be delivered to friction spinning apparatus；
The friction spinning apparatus are used to for melt-blown micro fibre and heart yarn to be processed into melt-blown micro fibre covering yarn；
The covering yarn draw-gear is used to draw melt-blown micro fibre covering yarn to collection device；
The collection device is used to collect melt-blown micro fibre covering yarn.
Further, described superfine fibre device for melt blowing includes meltblown beam, packaged air conditioner and airflow pipeline；It is described
Packaged air conditioner is arranged on meltblown beam outlet lower section, and for being cooled down to the melt-blown micro fibre that meltblown beam sprays, air-flow is defeated
Pipeline is sent to be arranged on packaged air conditioner outlet lower section, for melt-blown micro fibre to be delivered into friction spinning apparatus；
The friction spinning apparatus are made up of two dust cages placed side by side；
The meltblown beam is axially in parallel with dust cage.
Further, a diameter of 40-65mm of the dust cage, rotating speed takes 3000-5500r/min, the negative pressure parameter of dust cage
It is 20-45kPa.
Further, the distance between the packaged air conditioner upper surface and meltblown beam lower surface scope are 5-10cm, cold wind
Case is meltblown beam along 1.1 times -1.25 times of the width in breadth direction along the width in breadth direction.
Further, the packaged air conditioner includes refrigeration plant, the apparatus of air conditioning, blower fan, pipeline, side-blown wind system and control
System processed；
The side-blown wind system includes air channel, casing, porous plate and air outlet；The air channel is arranged on casing, is used for
Air intake；
It is the stainless steel plate of 2-3mm that the porous plate uses thickness range, and percent opening scope is 50%-80%, single
Bore dia scope is 1-3mm, and the quantity of the porous plate is 1-3 blocks, and is placed in parallel in casing；
The casing is provided with the rectangular structure of air outlet for side, and the air outlet is in face of melting that meltblown beam sprays
Spraying super-fine-fiber, cold wind blows to the melt-blown micro fibre that meltblown beam sprays by air outlet；
The air outlet includes damping screen and deflector, and the deflector uses aluminum cellular board, and thickness range is 30-
50mm, between the parallel face of single honeycomb hole each pair apart from L scopes be 3-5mm；Deflector both sides are provided with damping screen；It is described
Damping screen is the stainless (steel) wire or brass screen of 60-150 mesh；
The casing is removed to be provided with the outer surface of other several times of air outlet one side and is also covered with heat-insulation layer.
Further, the heart yarn is using any one in 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 put is 100-320m/min.
Further, the raw material of the superfine fibre device for melt blowing can be using PP, PET, PA, PLA, PE etc., fibre fineness
Scope is 1-5 μm.
A kind of method that utilization melt-blown micro fibre prepares covering yarn, comprises the following steps：
Step S1, superfine fibre device for melt blowing prepare melt-blown micro fibre, and melt-blown micro fibre are delivered into FRICTION SPINNING
Yarn feeding device；
Heart yarn is delivered to friction spinning apparatus by step S2, heart yarn feeding unit；
Melt-blown micro fibre and heart yarn are processed into melt-blown micro fibre covering yarn by step S3, friction spinning apparatus；
Step S4, covering yarn draw-gear draw to collection device melt-blown micro fibre covering yarn；
Step S5, collection device are used to collect melt-blown micro fibre covering yarn.
Further, superfine fibre device for melt blowing includes meltblown beam, packaged air conditioner and airflow pipeline, the step
Rapid 1 obtains melt-blown micro fibre specifically, meltblown beam is melt-blown, and melt-blown micro fibre is defeated through air-flow by after packaged air conditioner cooling
Send pipeline to friction spinning apparatus.
Further, the friction spinning apparatus of the step S3 are made up of two dust cages placed side by side, and the step 3 has
Body is the heart yarn for coming and the melt-blown micro fibre come from dust cage radial delivery axially to be conveyed from dust cage and is converged at dust cage,
And the dust cage intermediate friction twisting turned round in the same direction at two, form melt-blown micro fibre covering yarn.
Further, when heart yarn uses low-melting fiber long filament, step S4+ is also included between step S4 and step S5：Will
Melt-blown micro fibre covering yarn is transported to drying room, is baked with the temperature higher than low-melting fiber long filament fusing point.
Beneficial effects of the present invention are：The present invention accelerates the cooling of meltblown fibers by increasing cold side blowing, fiber is existed
Spinned in the case of cooling down completely, it is to avoid 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 is improved.Meanwhile, by melt-blown micro fibre from the radial direction of dust cage
Direction is input to two in the same direction between the dust cages of revolution, the characteristics of using FRICTION SPINNING low-tension, in reducing traditional spinning process
Requirement to fiber strength so that melt-blown micro fibre can be spun into yarn, fiber and conventional friction is spun and is combined, and expands it
Use scope；Melt-blown micro fibre specific surface area higher causes that the melt-blown micro fibre covering yarn being made has filtering well
And absorption property.
Brief description of the drawings
Fig. 1 is device positive structure schematic of the invention；
Fig. 2 is device side structure schematic diagram of the invention；
Fig. 3 is the cross air blasting system structure diagram of device of the invention.
In accompanying drawing, the list of parts that each label is represented is as follows：
1st, superfine fibre device for melt blowing；2nd, heart yarn feeding unit；3rd, covering yarn draw-gear；4th, collection device；5th, dust cage；
6th, hot air duct；11st, meltblown beam；12nd, packaged air conditioner；13rd, airflow pipeline；14th, melt-blown micro fibre；21st, air channel；22、
Casing；23rd, porous plate；24th, damping screen；25th, deflector
Specific embodiment
Principle of the invention and feature are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
It is non-for limiting the scope of the present invention.
As shown in Figure 1 and Figure 2, a kind of utilization melt-blown micro fibre prepares the device of covering yarn, including the melt-blown dress of superfine fibre
Put 1, heart yarn feeding unit 2, friction spinning apparatus, covering yarn draw-gear 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 for heart yarn to be delivered to friction spinning apparatus；
The friction spinning apparatus are used to for melt-blown micro fibre 14 and heart yarn to be processed into melt-blown micro fibre covering yarn；
The covering yarn draw-gear 3 is used to draw melt-blown micro fibre covering yarn to collection device 4；
The collection device 4 is used to collect melt-blown micro fibre covering yarn.
Further, described superfine fibre device for melt blowing 1 includes meltblown beam 11, packaged air conditioner 12 and airflow pipeline
13；The packaged air conditioner 12 is arranged on the outlet of meltblown beam 11 lower section, for the melt-blown micro fibre 14 sprayed to meltblown beam 11
Cooled down, airflow pipeline 13 is arranged on the outlet of packaged air conditioner 12 lower section, for melt-blown micro fibre 14 to be delivered into friction
Spinning apparatus；
The friction spinning apparatus are made up of two dust cages 5 placed side by side；
The meltblown beam 11 is axially in parallel with dust cage 5.
A diameter of 40-65mm of the dust cage 5, rotating speed takes 3000-5500r/min, and the negative pressure parameter of dust cage 5 is 20-
45kPa。
The distance between the upper surface of the packaged air conditioner 12 and the lower surface of meltblown beam 11 scope are 5-10cm, the edge of packaged air conditioner 12
The width in breadth direction is meltblown beam along 1.1 times -1.25 times of the width in breadth direction.
The packaged air conditioner 12 includes refrigeration plant, the apparatus of air conditioning, blower fan, pipeline, side-blown wind system and control system；
As shown in figure 3, the side-blown wind system includes air channel 21, casing 22, porous plate 23 and air outlet；The air channel 21
It is arranged on casing 22, for air intake；
It is the stainless steel plate of 2-3mm that the porous plate 23 uses thickness range, and percent opening scope is 50%-80%, single
Individual bore dia scope is 1-3mm, and the quantity of the porous plate 23 is 1-3 blocks, and is placed in parallel in casing；
The casing is provided with the rectangular structure of air outlet for side, and the air outlet sprays in face of meltblown beam 11
Melt-blown micro fibre 14, cold wind blows to the melt-blown micro fibre 14 that meltblown beam 11 sprays by air outlet；
The air outlet includes damping screen 24 and deflector 25, and the deflector 25 uses aluminum cellular board, thickness range
Be 30-50mm, between the parallel face of single honeycomb hole each pair apart from L scopes be 3-5mm；The both sides of deflector 25 are provided with damping
Net 24；The damping screen 24 is the stainless (steel) wire or brass screen of 60-150 mesh；
The casing 22 is removed to be provided with the outer surface of other several times of air outlet one side and is also covered with heat-insulation layer.
The heart yarn is using any one in 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 scope is 100-320m/min.
The raw material of the superfine fibre device for melt blowing can be using PP, PET, PA, PLA, PE etc., and fibre fineness scope is 1-5 μ
m。
A kind of method that utilization melt-blown micro fibre prepares covering yarn, comprises the following steps：
Step S1, superfine fibre device for melt blowing 1 prepare melt-blown micro fibre 14, and melt-blown micro fibre 14 is delivered to rubs
Wipe spinning apparatus；
Heart yarn is delivered to friction spinning apparatus by step S2, heart yarn feeding unit 2；
Melt-blown micro fibre 14 and heart yarn are processed into melt-blown micro fibre covering yarn by step S3, friction spinning apparatus；
Step S4, covering yarn draw-gear 3 draw to collection device melt-blown micro fibre covering yarn；
Step S5, collection device are used to collect 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, described
Step 1 obtains melt-blown micro fibre 14 specifically, meltblown beam 11 is melt-blown, and melt-blown micro fibre 14 is cooled down by packaged air conditioner 12
Afterwards, friction spinning apparatus are delivered to through airflow pipeline 13.
The friction spinning apparatus of the step S3 are made up of two dust cages 5 placed side by side, the step 3 specifically, from
Dust cage 5 axially conveys the heart yarn for coming and converges at dust cage 5 with the melt-blown micro fibre come from the radial delivery of dust cage 5, and
Two intermediate friction of dust cage 5 twisting turned round in the same direction, form melt-blown micro fibre covering yarn.
When heart yarn uses low-melting fiber long filament, step S4+ is also included between step S4 and step S5：By melt-blown ultra-fine fibre
Dimension covering yarn is transported to drying room, is baked with the temperature higher than low-melting fiber long filament fusing point.
It is below embodiments of the invention：
Embodiment 1
A kind of utilization melt-blown micro fibre prepares the device of covering yarn, and hopper is connected with screw extruder pipeline, measuring pump
Connecting screw rod extruder and meltblown beam 1, hot air duct 6 are distributed in spinneret orifice both sides, and spinneret lower section is packaged air conditioner 12, cold wind
Case 12 coupled underneath airflow pipeline 13, 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 use delivery roller from the feeding of the left side of dust cage 5, covering yarn draw-gear 3,
Delivery roller is placed in the right side of dust cage 5, and delivery roller top is provided with collection device, and collection device 4 uses winding bobbin.Use
When, the core fibers come from the conveying of the left side of dust cage 5 are melt-blown ultra-fine with what the conveying of airflow pipeline 13 of the top of dust cage 5 came
Fiber converges, dust cage 5 revolution produce frictional force make melt-blown micro fibre be coated on core fibers aggregate surface and produce add
Twist with the fingers, obtain melt-blown micro fibre outside, core fibers are in interior melt-blown micro fibre covering yarn.Melt-blown micro fibre is being wrapped in
Outside melt-blown micro fibre covering yarn has good absorption and strainability, and core fibers are only added in the dust cage that spins
Twist with the fingers, therefore the more fluffy softness of melt-blown micro fibre covering yarn.
Embodiment 2
A kind of utilization melt-blown micro fibre prepares the device of covering yarn, and hopper is connected with screw extruder pipeline, measuring pump
Connecting screw rod extruder and meltblown beam 1, hot air duct 6 are distributed in spinneret orifice both sides, and spinneret lower section is packaged air conditioner 12, cold wind
Case 12 coupled underneath airflow pipeline 13, 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 uses delivery roller, draw from the feeding of the left side of dust cage 5, covering yarn draw-gear 3
Leno draws and is placed in the right side of dust cage 5, and delivery roller top is provided with collection device, and collection device 4 uses winding bobbin.When using,
The spun yarn come from the conveying of the left side of dust cage 5 conveys the melt-blown micro fibre for coming with the airflow pipeline 13 of the top of dust cage 5
Converge, the frictional force that the revolution of dust cage 5 is produced makes melt-blown micro fibre be coated on spun yarn aggregate surface and produces twisting, obtains
Melt-blown micro fibre is outside, spun yarn is in interior melt-blown micro fibre covering yarn.Melt-blown micro fibre is being wrapped in the molten of outside
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 utilization melt-blown micro fibre prepares the device of covering yarn, and hopper is connected with screw extruder pipeline, measuring pump
Connecting screw rod extruder and meltblown beam 1, hot air duct 6 are distributed in spinneret orifice both sides, and spinneret lower section is packaged air conditioner 12, cold wind
Case 12 coupled underneath airflow pipeline 13, 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 uses delivery roller, draw yarn from the feeding of the left side of dust cage 5, covering yarn draw-gear 3
Roller is placed in the right side of dust cage 5, and delivery roller top is provided with collection device, and collection device 4 uses winding bobbin.When using, from
The long filament that the conveying of the left side of dust cage 5 comes conveys the melt-blown micro fibre for coming with the airflow pipeline 13 of the top of dust cage 5 and converges,
The frictional force that the revolution of dust cage 5 is produced makes melt-blown micro fibre be coated on long filament aggregate surface and produces twisting, obtains melt-blown super
Fine fibre is outside, long filament is in interior melt-blown micro fibre covering yarn.Melt-blown micro fibre is being wrapped in the melt-blown ultra-fine fibre of outside
Dimension covering yarn has good absorption and strainability, including filament fiber, assigns yarn mechanics higher strongly.
Embodiment 4
A kind of utilization melt-blown micro fibre prepares the device of covering yarn, and hopper is connected with screw extruder pipeline, measuring pump
Connecting screw rod extruder and meltblown beam 1, hot air duct 6 are distributed in spinneret orifice both sides, and spinneret lower section is packaged air conditioner 12, cold wind
Case 12 coupled underneath airflow pipeline 13, 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 from the feeding of the left side of dust cage 5, covering yarn draw-gear 3 is used and drawn low-melting fiber long filament
Leno draws, and delivery roller is placed in the right side of dust cage 5, and delivery roller top is provided with collection device, and collection device 4 uses winch spool
Son.When using, the low-melting fiber long filament come from the conveying of the left side of dust cage 5 is conveyed with the airflow pipeline 13 of the top of dust cage 5
The melt-blown micro fibre for coming over converges, and it is long that the frictional force that the revolution of dust cage 5 is produced makes melt-blown micro fibre be coated on low-melting fiber
Silk aggregate surface simultaneously produces twisting, obtain melt-blown micro fibre outside, low-melting fiber long filament is in interior melt-blown micro fibre
Covering yarn.Covering yarn is transported to drying room, is baked with the temperature higher than low-melting fiber long filament fusing point.Melt-blown micro fibre
There is good absorption and strainability in the melt-blown micro fibre covering yarn for being wrapped in outside, low-melting fiber fusing is melt-blown
Close adhesion between superfine fibre, improves the strength of melt-blown micro fibre covering yarn.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of utilization melt-blown micro fibre prepares the device of covering yarn, it is characterised in that：Including superfine fibre device for melt blowing
(1), heart yarn feeding unit (2), friction spinning apparatus, covering yarn draw-gear (3) and collection device (4)；
The superfine fibre device for melt blowing (1) conveys melt-blown micro fibre (14) for preparing melt-blown micro fibre (14)
To friction spinning apparatus；
The heart yarn feeding unit (2) by heart yarn for being delivered to friction spinning apparatus；
The friction spinning apparatus are used to for melt-blown micro fibre (14) and heart yarn to be processed into melt-blown micro fibre covering yarn；
The covering yarn draw-gear (3) is for melt-blown micro fibre covering yarn to be drawn to collection device (4)；
The collection device (4) is for collecting melt-blown micro fibre covering yarn.
2. utilization melt-blown micro fibre according to claim 1 prepares the device of covering yarn, it is characterised in that：Described is super
Fine fibre device for melt blowing (1) includes meltblown beam (11), packaged air conditioner (12) and airflow pipeline (13)；The packaged air conditioner (12)
Meltblown beam (11) outlet lower section is arranged on, for being cooled down to the melt-blown micro fibre (14) that meltblown beam (11) sprays,
Airflow pipeline (13) is arranged on packaged air conditioner (12) outlet lower section, for melt-blown micro fibre (14) to be delivered into friction spun yarn
Device；
The friction spinning apparatus are made up of two dust cages (5) placed side by side；
The meltblown beam (11) is axially in parallel with dust cage (5).
3. utilization melt-blown micro fibre according to claim 2 prepares the device of covering yarn, it is characterised in that the dust cage
(5) diameter range is 40-65mm, and the range of speeds is 3000-5500r/min, and the negative pressure parameter area of dust cage (5) is 20-
45kPa。
4. utilization melt-blown micro fibre according to claim 2 prepares the device of covering yarn, it is characterised in that the cold wind
The distance between case (12) upper surface and meltblown beam (11) lower surface scope 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 the width in breadth direction.
5. utilization melt-blown micro fibre according to claim 2 prepares the device of covering yarn, it is characterised in that the cold wind
Case (12) includes refrigeration plant, the apparatus of air conditioning, blower fan, pipeline, side-blown wind system and control system；
The side-blown wind system includes air channel (21), casing (22), porous plate (23) and air outlet；The air channel (21) is arranged on
On casing (22), for air intake；
It is the stainless steel plate of 2-3mm that the porous plate (23) uses thickness range, and percent opening scope is 50%-80%, single
Bore dia scope is 1-3mm, and the quantity of the porous plate (23) is 1-3 blocks, and is placed in parallel in casing；
The casing is provided with the rectangular structure of air outlet for side, and the air outlet is in face of melting that meltblown beam (11) sprays
Spraying super-fine-fiber (14), cold wind blows to the melt-blown micro fibre (14) that meltblown beam (11) sprays by air outlet；
The air outlet includes damping screen (24) and deflector (25), and the deflector (25) uses aluminum cellular board, thickness model
It is 30-50mm to enclose, between the parallel face of single honeycomb hole each pair apart from L scopes be 3-5mm；Deflector (25) both sides are provided with
Damping screen (24)；The damping screen (24) is the stainless (steel) wire or brass screen of 60-150 mesh；
The casing (22) is also covered with heat-insulation layer except being provided with the outer surface of other several times of air outlet one side.
6. utilization melt-blown micro fibre according to claim 1 prepares the device of covering yarn, it is characterised in that：The heart yarn
Using any one in fiber, spun yarn, long filament and low-melting fiber long filament.
7. the utilization melt-blown micro fibre according to claim any one of 1-6 prepares the device of covering yarn, 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。
8. a kind of method that utilization melt-blown micro fibre prepares covering yarn, it is characterised in that comprise the following steps：
Step S1, superfine fibre device for melt blowing (1) prepare melt-blown micro fibre (14), and melt-blown micro fibre (14) is delivered to
Friction spinning apparatus；
Heart yarn is delivered to friction spinning apparatus by step S2, heart yarn feeding unit (2)；
Melt-blown micro fibre (14) and heart yarn are processed into melt-blown micro fibre covering yarn by step S3, friction spinning apparatus；
Step S4, covering yarn draw-gear (3) draw to collection device melt-blown micro fibre covering yarn；
Step S5, collection device are used to collect melt-blown micro fibre covering yarn.
9. the method that utilization melt-blown micro fibre according to claim 8 prepares covering yarn, it is characterised in that the step
The friction spinning apparatus of S3 are made up of two dust cages (5) placed side by side, and the step 3 from dust cage (5) specifically, axially convey
The heart yarn for coming over converges with the melt-blown micro fibre come from dust cage (5) radial delivery from dust cage (5), and is returned in the same direction at two
Dust cage (5) intermediate friction twisting for turning, obtains melt-blown micro fibre covering yarn.
10. the method that utilization melt-blown micro fibre according to claim 8 prepares covering yarn, it is characterised in that heart yarn is adopted
During with low-melting fiber long filament, step S5+ is also included between step S4 and step S5：Melt-blown micro fibre covering yarn is transported to
Drying room, is baked with the temperature higher than 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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| CN112391712A (en) * | 2019-08-12 | 2021-02-23 | 中国科学院苏州纳米技术与纳米仿生研究所 | Carbon nanotube elastic core-spun yarn and preparation method and application thereof |
| CN114481388A (en) * | 2021-12-20 | 2022-05-13 | 东华大学 | Preparation method and device of superfine fiber/short fiber rotor composite yarn |
| CN114635210A (en) * | 2022-05-17 | 2022-06-17 | 江苏恒力化纤股份有限公司 | Conductive flame-retardant bending-resistant integrated composite yarn and preparation method thereof |
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| CN114481388A (en) * | 2021-12-20 | 2022-05-13 | 东华大学 | Preparation method and device of superfine fiber/short fiber rotor composite yarn |
| CN114635210A (en) * | 2022-05-17 | 2022-06-17 | 江苏恒力化纤股份有限公司 | Conductive flame-retardant bending-resistant integrated composite yarn and preparation method thereof |
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