CN108004628A - It is a kind of to be used to prepare the device and method of nanofiber/staple blended yarn with the nanofiber mechanism that prevents adhesion - Google Patents
It is a kind of to be used to prepare the device and method of nanofiber/staple blended yarn with the nanofiber mechanism that prevents adhesion Download PDFInfo
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- CN108004628A CN108004628A CN201810012232.7A CN201810012232A CN108004628A CN 108004628 A CN108004628 A CN 108004628A CN 201810012232 A CN201810012232 A CN 201810012232A CN 108004628 A CN108004628 A CN 108004628A
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- nanofiber
- outlet roller
- fibre web
- feed belt
- spinning
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/28—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques using electrostatic fields
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
- D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers
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- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The present invention relates to a kind of the device and method of nanofiber/staple blended yarn, device are used to prepare with the nanofiber mechanism that prevents adhesion：Carding machine (1) side sets feed belt (15),Feed belt (15) opposite side sets fibre web transmitting device (13),Fibre web transmitting device (13) includes transmission support lace curtaining (14) and negative pressure air draft apparatus (3),Negative pressure air draft apparatus (3) is set in transmission support lace curtaining (14),Transmission support lace curtaining (14) side is connected with feed belt (15),Opposite side is connected with feed belt (24),Fibre web transmitting device (13) is above feed belt (15) and feed belt (24),Electrostatic spinning apparatus (4) is set below fibre web transmitting device (13),Fibre web transmitting device (13) is connected by feed belt (24) with output device (5),Output device (5) opposite side sets horn mouth (25),Horn mouth (25) opposite side sets bar cylinder (7).
Description
Technical field
It is more particularly to a kind of to prevent adhesion mechanism use with nanofiber the invention belongs to spinning processing device and method field
In the device and method for preparing nanofiber/staple blended yarn.
Background technology
In recent years, as the prosperity of national economy, national life level significantly improve, functional textile and nano-spun
Fabric has progressed into the visual field of masses, and causes extensive concern and the favor of consumer and technological development personnel.Feature
Textile not only meets people and wears the clothes in the past and hide the needs of body compared to traditional textile, but also it is more to impart its
Feature, has opened up applicable situation and the field of traditional textile；And nano-fabric is broadly referred to containing nano material
Textile, it often on the basis of the original physical and chemical performance of textile is not changed, assigns its new performance and effect.Both are right
There is important directive significance in improving added value of product, promoting textile technology to reform.
As it is a kind of can quickly, the approach of high-efficiency production of nano fiber, electrostatic spinning technique have passed through the hair of many decades
Exhibition, is also gradually developed into the stage of industrialized mass production by the small-scale production in laboratory.Received by prepared by method of electrostatic spinning
Characteristic that rice fiber and tunica fibrosa have that specific surface area is big, surface energy is high, porosity is high etc., be widely used in filtering, bio-medical,
The fields such as the energy, catalysis, sensing, and achieve good application effect.
Electrostatic spinning technique is combined with traditional textile technology and prepares functional textile and nano-fabric, is undoubtedly
One of the product specification and added value of lifting traditional textile, the important channel for opening up traditional textile application field, two kinds of skills
Therefore the intersection of art has been increasingly becoming the research hotspot of engineers and technicians.Have some investigators at present and made correlation to this
Research and report, China Intellectual Property Office's invention disclosed patent on November 01st, 2012 " nanofiber and long filament composite yarn
The spinning apparatus and Yarn spinning method of line ", number of patent application ZL201210433332.X, this application patent complicated legal case proposes one kind will
Nanofiber and the compound spinning apparatus of long filament and method, Nanowire is deposited by electrostatic spinning technique respectively on two root long silks
Then two root long silks are gathered twisting again, obtain having nano effect and the nanofiber bicomponent filament yarn yarn of intensity, certain journey concurrently by dimension
Solves the problems, such as the low strength of nanofiber in practical applications on degree.But if weaving is directly applied into cloth, due to big portion
Nanofiber is divided to be exposed to yarn external surface, therefore, the nanofiber of filament surface is easily during processing and final use
It is scraped, loses original nano effect.China Intellectual Property Office's invention disclosed patent " nano electrostatic on January 18th, 2017
The method of spinning resultant yarn integrated with staple fiber ring spinning ", number of patent application CN201610847286.6, this application patent are public
Case makes nanofiber by setting single needle electrostatic spinning apparatus spinning between the twizzle and front roller nip of ring spinner
The convergence of net and yarn is twisted, it is intended to which microfibre looping spun yarn is received in preparation.But looping external layer of yarn prepared by this method is Nanowire
Dimension, equally exists the fatal problem that nanofiber comes off during following process and use, and in preparation process due to
Crystallizing field is nearby essentially metal parts, disturbs spinning process so that nanofibres deposit is extremely disorderly, longer when the spinning time
When, fiber deposition film forming, it could even be possible to influencing normal short fine spinning process.
China Intellectual Property Office's invention disclosed patent on January 18th, 2017 be " a kind of nano-micro scale reinforcing fiber resultant yarn
Long filament ring ingot compound spinning method ", number of patent application CN201610837502.9, this application patent complicated legal case is in ring throstle
On the basis of introduce filament feeding device, and by method of electrostatic spinning in filament surface depositing nanofibers, then surface is coated with
The long filament insertion front roller nip of nanofiber, resultant yarn is twisted together with short fibre.This method can prepare nanofiber/length in theory
Silk/short fine composite yarn, but the process of nanofibres deposit to filament surface is uncontrollable, and in the interference of other metal devices
Under, spinning process is extremely unstable, seriously restricts final yarns and the performance of textile.To sum up, Chinese knowledge production
Power office invention disclosed patent on November 20th, 2013 " a kind of preparation method of the blended complex yarn of nanofiber ", has preferable
Commercial application prospect and feasibility, the application number ZL201310586642.X of the patent, this application patent complicated legal case discloses
A kind of preparation method of electrostatic spinning nano fiber/silk/cotton blended yarn, this method in cotton spinning combing segment by undergoing technological transformation, profit
Electrostatic spinning is carried out with TAYLOR cone multiple spray head static spinning machines, and allows in spinning process the nanofiber produced to be deposited directly to
It is compound with cotton net and be agglomerated into bar in card web, then prepare nanofiber/cotton blend through processes such as multiple drafting, rove, spun yarns
Yarn has preferable production practices directive significance, it can be achieved that the functionalization of yarn.But the nanofiber prepared by the device/
Short fibre web composite bed is defeated easily under since the surface energy of nanofiber is high when exporting to form boundling trigonum through outlet roller
Go out roller, greatly reduce abundance of the functional nano fiber in cotton fiber aggregate, so as to influence the work(of final textile
Can property.
At present, using in carding step that nanofiber and cotton net that doffer exports is for composite, through horn mouth output into
Bar, then the functional nano fiber/staple blended yarn being prepared through drafting (2-3 roads), rove, spinning process have been not only able to
Effect ground assigns the preferable feature of conventional yarn, and function durability is preferable, and device processing is simple, mature preparation process, tool
There is preferable feasibility and commercial application prospect.But the bar stage is combined into nanofiber/short fibre web, there are still composite bed
In nanofiber around lower outlet roller the problem of, drastically influence in final mixed yarn the content of functional nano fiber and by
The feature of this textile prepared.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of is used to prepare nanometer with the nanofiber mechanism that prevents adhesion
The device and method of fiber/staple blended yarn, the device is simple, and outlet roller is optimized, and is ensureing its smooth boundling
In the case of in stripes, waste of the nanofiber in this stage is significantly reduced, improve nanofiber in final mixed yarn has
Abundance is imitated, prevents nanofiber adhesion positive effect, there is good guidance for improving nanofiber content in mixed yarn
Value.
The a kind of of the present invention is used to prepare the device of nanofiber/staple blended yarn with the nanofiber mechanism that prevents adhesion,
The side of carding machine sets feed belt, and the opposite side of feed belt sets fibre web transmitting device, and fibre web transmitting device includes passing
Dynamic support lace curtaining and negative pressure air draft apparatus, negative pressure air draft apparatus are arranged in transmission support lace curtaining, transmission support lace curtaining and feed belt phase
Even, the opposite side of transmission support lace curtaining is connected with feed belt, fibre web transmitting device in the top of feed belt and feed belt,
Electrostatic spinning apparatus is set below fibre web transmitting device, and fibre web transmitting device is connected by feed belt with output device, is exported
The opposite side of device sets horn mouth, and bell-mouthed opposite side sets bar cylinder, and it is defeated with to include upper outlet roller for wherein output device
Go out roller；Negative pressure air draft apparatus is set in the upper outlet roller；The lower outlet roller includes two end outlet rollers and roll shaft, two ends
Outlet roller is connected by roll shaft, and two end outlet rollers are arranged on the both ends below outlet roller.
The electrostatic spinning apparatus is by groups such as HV generator, needle-free spinning nozzle, nanofibres deposit devices
Into；The needle-free spinning nozzle is using " a kind of umbrella electrostatic spinning spray disclosed in Chinese patent CN201310032194.9
Umbrella shower nozzle described in head and electrospinning process ", the umbrella shower nozzle include umbrella spinning head, digital control type infusion device and molten
Liquid collecting tank three parts, the digital control type infusion device include solution propeller and controller；In the umbrella spinning head
There is a hollow position in portion, and the solution propeller output terminal is inserted in the hollow position of the umbrella spinning head；The control
Device controls the flow velocity and flow of spinning solution, persistently injects spinning solution to the umbrella spinning head top layer；The umbrella
Place the solution collecting tank in spinning head bottom；The umbrella spinning head is equipped with the wiring being connected with high pressure positive electrode
Column；Wherein umbrella spinning head is discoid to have four-layer structure, the diameter from top layer to bottom gradually increases, every layer of height
It is identical per layer height for 6mm；Copper open circles column sleeve of described every layer of edge of umbrella spinning head added with height for 1mm, outside
Footpath size is identical with every layer of diameter.
The carding machine includes doffer, cover board, cylinder, licker-in and fibre web outlet roller, the jaw of fibre web outlet roller and transmission
Belt is located at same horizontal line.
The surface of the upper outlet roller and lower outlet roller is coated with smooth paint, to reduce the adhesion between fiber and roller
Power.
The length of the upper outlet roller is slightly above the width of fibre web；Upper output roller surface distribution negative-pressure microporous, negative-pressure microporous
A diameter of 0.5-1mm, the length of upper outlet roller is slightly above web width；Negative pressure air draft apparatus includes negative pressure sucking pump and air-flow
Orienting device, the formation of negative pressure are controlled by being evacuated air draught pump installation, and vacuum magnitude is big by the power of negative pressure sucking pump
Small rationally to adjust, flow directing device is ensureing that negative pressure only designated position immediately below upper outlet roller is formed.
Boundling is formed between the output device and horn mouth to be evacuated negative by negative-pressure microporous into bar trigonum, upper outlet roller
Pressure micropore and nanofiber/short fibre web composite bed form negative pressure between upper surface, to hold up nanofiber/short fibre web composite bed, protect
It is demonstrate,proved normally to export and form good boundling trigonum.
Hollow out between described two end outlet rollers, the length for holding outlet roller are 3-5cm.
The lower outlet roller further includes middle outlet roller, is arranged among two end outlet rollers, defeated by roll shaft and two ends
Go out roller connection, the length for holding outlet roller is 3-5cm, and the length of middle outlet roller is 2-3cm.
The lower outlet roller further includes three middle outlet rollers, is arranged between two end outlet rollers, spacing is equal, passes through roller
Axis is connected with two end outlet rollers, and end outlet roller, the length of middle outlet roller are 2cm, are held between outlet roller and middle outlet roller
Spacing between spacing, middle outlet roller and middle outlet roller is 15-20cm.
The middle outlet roller can provide a upward holding power to the fine composite bed of nanofiber/short, can be
More stably run during output boundling is in stripes.
The a kind of of the present invention prevents adhesion the method that mechanism is used to prepare nanofiber/staple blended yarn with nanofiber,
Comprise the following steps that：
(1) high polymer and functional reagent are dissolved in solvent, stir, feature spinning solution is obtained, wherein in spinning solution
The concentration of high polymer is 6-15wt%, and the concentration of functional reagent is 0.1-5wt% in spinning solution；
(2) by short fine feeding carding machine, comb by cylinder, cover board, licker-in and doffer, exported by fibre web outlet roller,
Short fibre web is formed on feed belt；
(3) feature spinning solution in step (1) is added in electrostatic spinning apparatus and carries out electrostatic spinning, obtain feature
Short fibre web is compound in nanofiber, with (2) the step of process negative pressure air draft apparatus, obtains nanofiber/short fibre web composite bed, by
Output device exports, and bar is condensed into through horn mouth, spins, obtains functional nanofiber/staple blended yarn.
High polymer is polyacrylonitrile, polystyrene, polyurethane or polyamide in the step (1)；Functional reagent is anti-
Bacterium reagent, anti-static agents or uvioresistant reagent；Solvent is DMF or deionized water.
The technological parameter of electrostatic spinning is in the step (3)：Application voltage is 40-65KV, and spinning spacing is 10-
20cm, spinning environment temperature are 20-25 DEG C, and spinning environment humidity is 30-65%.
The technique of spinning includes in the step (3)：Drafting (2-3 roads), rove and spun yarn.
Nanofiber of the present invention/short fibre web composite bed departs from support lace curtaining region, and into output colligating regions, this process is by upper
Lower outlet roller is completed jointly, due to the nanofiber with short fine combination and locus, nanofiber substantially on
The latter half of composite bed is distributed in, part nanofiber is distributed in short fibre web internal layer, and is distributed in composite bed the latter half
Nanofiber easily sticks in lower outlet roller due to higher surface free energy, therefore by carrying out area to lower outlet roller
Section hollow processing, retain constant length diameter two end regions of roller, ensure fibre web smoothly export it is in stripes under the premise of, effectively drop
Low layers of nanofibers and the real contact area of lower outlet roller, draw so as to avoid lower outlet roller is adhered to due to nanofiber
The a large amount of loss problems risen；In addition, the negative pressure air draft apparatus of upper outlet roller indoor design can ensure that composite bed preferably pastes
Output roller surface is attached to, the control to fibre web composite bed is realized together with two lower outlet rollers, prevents from producing in clustering process
Fibre web destroys or the phenomenon of fracture.
Beneficial effect
Apparatus of the present invention are simple, and outlet roller is optimized, in the case of ensureing that its smooth boundling is in stripes, significantly
Waste of the nanofiber in this stage is reduced, nanofiber adhesion positive effect is prevented, significantly improves nanometer in mixed yarn
The content of fiber, ensure that the feature of terminal textile, have good finger for improving nanofiber content in mixed yarn
Lead value.
Brief description of the drawings
Fig. 1 is the overall schematic of apparatus of the present invention；
Fig. 2 is the schematic diagram of output device in embodiment 1；
Fig. 3 is the schematic diagram of output device in embodiment 2；
Fig. 4 is the schematic diagram of output device in embodiment 3；
Fig. 5 is the schematic diagram of outlet roller in the present invention.
Embodiment
With reference to specific embodiment, the present invention is further explained.It is to be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Scope.
Embodiment 1
Present embodiments provide and a kind of be used to prepare nanofiber/staple blended yarn with the nanofiber mechanism that prevents adhesion
Device, the side of carding machine 1 set feed belt 15, and the opposite side of feed belt 15 sets fibre web transmitting device 13, and fibre web passes
Defeated device 13 includes transmission support lace curtaining 14 and negative pressure air draft apparatus 3, and negative pressure air draft apparatus 3 is arranged in transmission support lace curtaining 14, passes
Dynamic support lace curtaining 14 is connected with feed belt 15, and the opposite side of transmission support lace curtaining 14 is connected with feed belt 24, fibre web transmitting device
13 pass in the top of feed belt 15 and feed belt 24, the setting electrostatic spinning apparatus 4 below fibre web transmitting device 13, fibre web
Defeated device 13 is connected by feed belt 24 with output device 5, and the opposite side of output device 5 sets horn mouth 25, horn mouth 25
Opposite side bar cylinder 7 is set, wherein output device 5 includes upper outlet roller 8 and lower outlet roller 20；Set in the upper outlet roller 8
Negative pressure air draft apparatus 19；The lower outlet roller 20 includes two end outlet rollers 10 and roll shaft 21, and two end outlet rollers 10 pass through roller
Axis 21 connects, and two end outlet rollers 10 are arranged on the both ends of the lower section of outlet roller 8.
The carding machine 1 includes doffer 18, cover board 17, cylinder 23, licker-in 16 and fibre web outlet roller 26, fibre web outlet roller 26
Jaw and feed belt 15 be located at same horizontal line；Boundling is formed between output device 5 and horn mouth 25 into bar trigonum 6.
The surface of the upper outlet roller 8 and lower outlet roller 20 is coated with smooth paint；The length of upper outlet roller 8 is slightly above fibre web
Width；Upper 8 surface of outlet roller is distributed negative-pressure microporous 9, a diameter of 0.5-1mm of negative-pressure microporous 9；Negative pressure air draft apparatus 19 includes
Negative pressure sucking pump 11 and flow directing device 12.
Hollow out between described two end outlet rollers 10, the length of end outlet roller 10 is 3-5cm.
Embodiment 2
Present embodiments provide and a kind of be used to prepare nanofiber/staple blended yarn with the nanofiber mechanism that prevents adhesion
Device, the side of carding machine 1 set feed belt 15, and the opposite side of feed belt 15 sets fibre web transmitting device 13, and fibre web passes
Defeated device 13 includes transmission support lace curtaining 14 and negative pressure air draft apparatus 3, and negative pressure air draft apparatus 3 is arranged in transmission support lace curtaining 14, passes
Dynamic support lace curtaining 14 is connected with feed belt 15, and the opposite side of transmission support lace curtaining 14 is connected with feed belt 24, fibre web transmitting device
13 pass in the top of feed belt 15 and feed belt 24, the setting electrostatic spinning apparatus 4 below fibre web transmitting device 13, fibre web
Defeated device 13 is connected by feed belt 24 with output device 5, and the opposite side of output device 5 sets horn mouth 25, horn mouth 25
Opposite side bar cylinder 7 is set, wherein output device 5 includes upper outlet roller 8 and lower outlet roller 20；Set in the upper outlet roller 8
Negative pressure air draft apparatus 19；The lower outlet roller 20 includes two end outlet rollers 10 and roll shaft 21, and two end outlet rollers 10 pass through roller
Axis 21 connects, and two end outlet rollers 10 are arranged on the both ends of the lower section of outlet roller 8.
The carding machine 1 includes doffer 18, cover board 17, cylinder 23, licker-in 16 and fibre web outlet roller 26, fibre web outlet roller 26
Jaw and feed belt 15 be located at same horizontal line；Boundling is formed between output device 5 and horn mouth 25 into bar trigonum 6.
The surface of the upper outlet roller 8 and lower outlet roller 20 is coated with smooth paint；The length of upper outlet roller 8 is slightly above fibre web
Width；Upper 8 surface of outlet roller is distributed negative-pressure microporous 9, a diameter of 0.5-1mm of negative-pressure microporous 9；Negative pressure air draft apparatus 19 includes
Negative pressure sucking pump 11 and flow directing device 12.
The lower outlet roller 20 further includes middle outlet roller 22, be arranged on two end outlet rollers 10 among, by roll shaft 21 with
Two end outlet rollers 10 connect, and the length of end outlet roller 10 is 3-5cm, and the length of middle outlet roller 22 is 2-3cm.
Embodiment 3
Present embodiments provide and a kind of be used to prepare nanofiber/staple blended yarn with the nanofiber mechanism that prevents adhesion
Device, the side of carding machine 1 set feed belt 15, and the opposite side of feed belt 15 sets fibre web transmitting device 13, and fibre web passes
Defeated device 13 includes transmission support lace curtaining 14 and negative pressure air draft apparatus 3, and negative pressure air draft apparatus 3 is arranged in transmission support lace curtaining 14, passes
Dynamic support lace curtaining 14 is connected with feed belt 15, and the opposite side of transmission support lace curtaining 14 is connected with feed belt 24, fibre web transmitting device
13 pass in the top of feed belt 15 and feed belt 24, the setting electrostatic spinning apparatus 4 below fibre web transmitting device 13, fibre web
Defeated device 13 is connected by feed belt 24 with output device 5, and the opposite side of output device 5 sets horn mouth 25, horn mouth 25
Opposite side bar cylinder 7 is set, wherein output device 5 includes upper outlet roller 8 and lower outlet roller 20；Set in the upper outlet roller 8
Negative pressure air draft apparatus 19；The lower outlet roller 20 includes two end outlet rollers 10 and roll shaft 21, and two end outlet rollers 10 pass through roller
Axis 21 connects, and two end outlet rollers 10 are arranged on the both ends of the lower section of outlet roller 8.
The carding machine 1 includes doffer 18, cover board 17, cylinder 23, licker-in 16 and fibre web outlet roller 26, fibre web outlet roller 26
Jaw and feed belt 15 be located at same horizontal line；Boundling is formed between output device 5 and horn mouth 25 into bar trigonum 6.
The surface of the upper outlet roller 8 and lower outlet roller 20 is coated with smooth paint；The length of upper outlet roller 8 is slightly above fibre web
Width；Upper 8 surface of outlet roller is distributed negative-pressure microporous 9, a diameter of 0.5-1mm of negative-pressure microporous 9；Negative pressure air draft apparatus 19 includes
Negative pressure sucking pump 11 and flow directing device 12.
The lower outlet roller 20 further includes three middle outlet rollers 22, is arranged between two end outlet rollers 10, and spacing is equal,
It is connected by roll shaft 21 with two end outlet rollers 10, end outlet roller 10, the length of middle outlet roller 22 are 2cm, hold outlet roller 10
Spacing between middle outlet roller 22, between middle outlet roller 22 and middle outlet roller 22 is 15-20cm.
Embodiment 4
Present embodiments provide and a kind of be used to prepare nanofiber/staple blended yarn with the nanofiber mechanism that prevents adhesion
Method, comprises the following steps that：
(1) 10g polyacrylonitrile is dissolved in 85gDMF, adds 5g triclosan antimicrobial agent, stirred in magnetic stirring apparatus
Uniformly, the uniform spinning solution that antimicrobial agent concentration is 5wt%, polyacrylonitrile concentration is 10wt% is obtained.
(2) cotton staple is fed in carding machine 1, is combed by cylinder 23, cover board 17, licker-in 16 and doffer 18, by fibre web
Outlet roller 26 exports, and short fibre web 2 is formed on feed belt 15.
(3) spinning solution in step (1) being added in electrostatic spinning apparatus 4 and carries out electrostatic spinning, application voltage is 60kv,
Spinning spacing is 15cm, and spinning environment temperature is 25 DEG C, and spinning environment humidity is 50%, functional nano fiber is obtained, with warp
Short fibre web 2 is compound in the step of crossing negative pressure air draft apparatus 3 (2), obtains nanofiber/short fibre web composite bed, defeated by output device 5
Go out, bar is condensed into through horn mouth 25, through drafting (2-3 roads), rove, spinning process, it is mixed to obtain functional nanofiber/short fibre
Spinning.
Embodiment 5
A kind of nanofiber adhesion preventing method for being used to prepare feature mixed yarn is present embodiments provided, specific steps are such as
Under：
(1) 10g polyacrylonitrile is dissolved in 88gDMF, adds 2g nano zine oxides, stirred in magnetic stirring apparatus equal
It is even, obtain the uniform spinning solution that anti ultraviolet agent concentration is 2wt%, polyacrylonitrile concentration is 10wt%.
(2) short rayon fiber is fed in carding machine 1, is combed by cylinder 23, cover board 17, licker-in 16 and doffer 18, by fibre
Net outlet roller 26 exports, and short fibre web 2 is formed on feed belt 15.
(3) spinning solution in step (1) being added in electrostatic spinning apparatus 4 and carries out electrostatic spinning, application voltage is 60kv,
Spinning spacing is 15cm, and spinning environment temperature is 25 DEG C, and spinning environment humidity is 45%, functional nano fiber is obtained, with warp
Short fibre web 2 is compound in the step of crossing negative pressure air draft apparatus 3 (2), obtains nanofiber/short fibre web composite bed, defeated by output device 5
Go out, bar is condensed into through horn mouth 25, through drafting (2-3 roads), rove, spinning process, it is mixed to obtain functional nanofiber/short fibre
Spinning.
Claims (10)
1. a kind of be used to prepare the device of nanofiber/staple blended yarn with the nanofiber mechanism that prevents adhesion, it is characterised in that
The side of carding machine (1) sets feed belt (15), and the opposite side of feed belt (15) sets fibre web transmitting device (13), fibre web
Transmitting device (13) includes transmission support lace curtaining (14) and negative pressure air draft apparatus (3), and negative pressure air draft apparatus (3) is arranged on transmission support net
In curtain (14), transmission support lace curtaining (14) is connected with feed belt (15), the opposite side and feed belt of transmission support lace curtaining (14)
(24) it is connected, fibre web transmitting device (13) is in the top of feed belt (15) and feed belt (24), in fibre web transmitting device
(13) lower section sets electrostatic spinning apparatus (4), and fibre web transmitting device (13) passes through feed belt (24) and output device (5) phase
Even, the opposite side of output device (5) sets horn mouth (25), and the opposite side of horn mouth (25) sets bar cylinder (7), wherein output dress
Putting (5) includes upper outlet roller (8) and lower outlet roller (20)；Negative pressure air draft apparatus (19) is set in the upper outlet roller (8)；It is described
Lower outlet roller (20) includes two end outlet rollers (10) and roll shaft (21), and two end outlet rollers (10) are connected by roll shaft (21),
Two end outlet rollers (10) are arranged on the both ends below outlet roller (8).
A kind of prevent adhesion that to be used to prepare nanofiber/short fibre blended for mechanism with nanofiber 2. described in accordance with the claim 1
The device of yarn, it is characterised in that the carding machine (1) includes doffer (18), cover board (17), cylinder (23), licker-in (16) and fibre
Net outlet roller (26), jaw and the feed belt (15) of fibre web outlet roller (26) are located at same horizontal line.
A kind of prevent adhesion that to be used to prepare nanofiber/short fibre blended for mechanism with nanofiber 3. described in accordance with the claim 1
The device of yarn, it is characterised in that boundling is formed between the output device (5) and horn mouth (25) into bar trigonum (6).
A kind of prevent adhesion that to be used to prepare nanofiber/short fibre blended for mechanism with nanofiber 4. described in accordance with the claim 1
The device of yarn, it is characterised in that the surface of the upper outlet roller (8) and lower outlet roller (20) is coated with smooth paint；Upper outlet roller
(8) length is higher than the width of fibre web；Upper outlet roller (8) surface distribution negative-pressure microporous (9), negative-pressure microporous (9) it is a diameter of
0.5-1mm；Negative pressure air draft apparatus (19) includes negative pressure sucking pump (11) and flow directing device (12).
A kind of prevent adhesion that to be used to prepare nanofiber/short fibre blended for mechanism with nanofiber 5. described in accordance with the claim 1
The device of yarn, it is characterised in that hollow out between described two end outlet rollers (10), the length of end outlet roller (10) is 3-5cm.
A kind of prevent adhesion that to be used to prepare nanofiber/short fibre blended for mechanism with nanofiber 6. described in accordance with the claim 1
The device of yarn, it is characterised in that the lower outlet roller (20) further includes middle outlet roller (22), is arranged on two end outlet rollers (10)
Centre, be connected, the length for holding outlet roller (10) is 3-5cm, middle outlet roller by roll shaft (21) with two end outlet rollers (10)
(22) length is 2-3cm.
A kind of prevent adhesion that to be used to prepare nanofiber/short fibre blended for mechanism with nanofiber 7. described in accordance with the claim 1
The device of yarn, it is characterised in that the lower outlet roller (20) further includes three middle outlet rollers (22), is arranged on two end outlet rollers
(10) between, spacing is equal, is connected by roll shaft (21) with two end outlet rollers (10), end outlet roller (10), middle outlet roller
(22) length is 2cm, between end outlet roller (10) and middle outlet roller (22), middle outlet roller (22) and middle outlet roller (22) it
Between spacing be 15-20cm.
8. a kind of prevent adhesion the method that mechanism is used to prepare nanofiber/staple blended yarn with nanofiber, specific steps are such as
Under：
(1) high polymer and functional reagent are dissolved in solvent, stir, obtain feature spinning solution, it is high poly- wherein in spinning solution
The concentration of thing is 6-15wt%, and the concentration of functional reagent is 0.1-5wt% in spinning solution；
(2) by short fine feeding carding machine (1), combed by cylinder (23), cover board (17), licker-in (16) and doffer (18), by
Fibre web outlet roller (26) exports, and short fibre web (2) is formed on feed belt (15)；
(3) feature spinning solution in step (1) is added in electrostatic spinning apparatus (4) and carries out electrostatic spinning, obtain feature
Short fibre web (2) is compound in nanofiber, with (2) the step of process negative pressure air draft apparatus (3), obtains nanofiber/short fibre web and answers
Layer is closed, is exported by output device (5), bar is condensed into through horn mouth (25), is spinned, it is mixed to obtain functional nanofiber/short fibre
Spinning.
9. preventing adhesion according to one kind described in claim 8 with nanofiber, to be used to prepare nanofiber/short fibre blended for mechanism
The method of yarn, it is characterised in that high polymer is polyacrylonitrile, polystyrene, polyurethane or polyamide in the step (1)；Work(
Energy property reagent is antibacterial agent, anti-static agents or uvioresistant reagent；Solvent is DMF or deionized water.
10. preventing adhesion according to one kind described in claim 8 with nanofiber, to be used to prepare nanofiber/short fibre blended for mechanism
The method of yarn, it is characterised in that the technological parameter of electrostatic spinning is in the step (3)：Application voltage is 40-65KV, spinning
Spacing is 10-20cm, and spinning environment temperature is 20-25 DEG C, and spinning environment humidity is 30-65%；The technique of spinning includes：And
Bar, rove and spun yarn.
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| CN111705387A (en) * | 2020-05-25 | 2020-09-25 | 东华大学 | Preparation method of electrostatic spinning nanofiber/wool antibacterial yarn |
| WO2023228072A1 (en) * | 2022-05-23 | 2023-11-30 | MARZOLI MACHINES TEXTILE S.r.l. | Method for enriching a textile fiber bundle intended for a spinning line, electrospinning station, enriched yarn and use thereof |
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