CN104562252B - High-speed spinning and false twisting integrated system for polylactic acid fibers - Google Patents
High-speed spinning and false twisting integrated system for polylactic acid fibers Download PDFInfo
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- CN104562252B CN104562252B CN201510029208.0A CN201510029208A CN104562252B CN 104562252 B CN104562252 B CN 104562252B CN 201510029208 A CN201510029208 A CN 201510029208A CN 104562252 B CN104562252 B CN 104562252B
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- fingers
- tow
- twist
- cyclone chamber
- high pressure
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Classifications
-
- 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
-
- 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
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- 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
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
-
- 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
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
Abstract
The invention discloses a high-speed spinning and false twisting integrated system for polylactic acid fibers. The system comprises a frame, wherein the frame is sequentially provided with a spinning component, a rear guide roll set, a shaping hot box, a cyclone type false twisting device, a front guide roll set and a winding cylinder from back to front; polylactic acid is made into fiber bundles by the spinning component, the fiber bundles enters the shaping hot box to roast and shape after bypassing the rear guide roll set and then is de-twisted by the cyclone type false twisting device, and the de-twisted fibers form air interlaced yarns with fluffiness and low elasticity under the function of high pressure cyclone, wherein the number of the air interlaced yarns in an S direction of twist is equal to the number of the air interlaced yarns in a Z direction of twist; the air interlaced yarns pass through the front guide roll set, and the air interlaced yarns in the S direction of twist and in the Z direction twist are twisted in pairs and then are wound to the winding cylinder. The high-speed spinning and false twisting integrated system provided by the invention is simple in structure and reasonable in design; furthermore, a spinning process and a false twisting process are combined integrally and can be completed in one step, therefore the production efficiency can be improved, the phenomena of deformation and wringing of the fiber bundles can be prevented, and the product quality can be ensured sufficiently.
Description
Technical field
The invention belongs to chemical production technical field and in particular to a kind of acid fiber by polylactic high speed spinning, false twisting integration
System.
Background technology
Acid fiber by polylactic is with the amyloid agricultural product such as Semen Maydiss, Semen Tritici aestivi, Radix Betae as raw material, after fermented generation lactic acid,
To make through polycondensation and melt spinning again. acid fiber by polylactic is that a kind of raw material can be planted, easily be planted, and garbage can be certainly in nature
So synthetic fibers of degraded.It can be analyzed to carbon dioxide and water through microbial action in soil or sea water, during burning, will not
Distribute poison, do not result in pollution, be a kind of ecological fiber of sustainable development.Its fabric feel, drapability are good, anti-purple
Outside line, has relatively low combustibility and excellent processing characteristics it is adaptable to various fashionable dress, easy dress, sports goods and health are used
Product etc., have broad application prospects.
At present, polylactic acid carries out false twisting operation after spinning again, and spinning and false twisting operation do not complete, that is, on an equipment
Spinning and false twisting operation are divided into two steps and carry out, and this not only reduces production efficiency, and affects product quality.In addition, existing false twisting
The scroll tube complex structure that operation is adopted, operation inconvenience, often make tow be deformed and occur beating to turn round phenomenon.
Content of the invention
The present invention in order to solve weak point of the prior art, provide a kind of reasonable in design, structure is simple, be easy to grasp
Control, efficient quick, the acid fiber by polylactic high speed spinning ensureing product quality, false twisting integral system.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that acid fiber by polylactic high speed spinning, false twisting one
Change system, including frame, frame is sequentially provided with filament spinning component, rear guide roller set, shaping heat box, cyclone type false twisting dress from back to front
Put, leading roller group and undrawn yarn cylinder；
Polylactic acid is fabricated to fibre bundle first around guide roller set later by filament spinning component, enters back in shaping heat box and is dried
Roasting sizing, the then backtwisting through cyclone type false-twisting device, the fiber after backtwisting is formed with bulkiness in the presence of high pressure whirlwind
The AIRJET TEXTURING YARN of low elasticity, in AIRJET TEXTURING YARN s twist with the fingers to z twist with the fingers to number identical, AIRJET TEXTURING YARN is again through front guide roll
Group, s twist with the fingers to z twist with the fingers to the paired twisted of AIRJET TEXTURING YARN after be wound on undrawn yarn cylinder；
Described cyclone type false-twisting device includes that number is identical and the staggered s being arranged side by side twists with the fingers and twists with the fingers to false twisting to scroll tube and z
Device；
S twists with the fingers to twist with the fingers to scroll tube and z and all includes body to scroll tube, and body interior is provided with cyclone chamber, body front end and after
End is respectively equipped with the tow outlet connecting with cyclone chamber and tow import, and cyclone chamber section in the lateral direction is circle
Shape, corresponding before and after tow outlet and tow import, all circular centers are all in the line of centres of tow outlet and tow import
On, cyclone chamber is maximum in the circular radius of tow outlet and the line of centres midpoint of tow import, inside cyclone chamber
At circle, circular radius forward or backward are gradually reduced greatly；
S twists with the fingers and tilts to be provided with the first high pressure air intake passage to the body left lower of scroll tube, the first high pressure air intake passage
Outlet is connected with cyclone chamber bottom, and the centrage of the first high pressure air intake passage is tangent with cyclone chamber inwall；On the right side of body certainly
Above have the first strand all connecting with tow outlet, tow import and cyclone chamber and wear passage；
Z twists with the fingers and tilts to be provided with the second high pressure air intake passage to the body lower right side of scroll tube, the second high pressure air intake passage
Outlet is connected with cyclone chamber bottom, and the centrage of the second high pressure air intake passage is tangent with cyclone chamber inwall；On the left of body certainly
Above have the second strand all connecting with tow outlet, tow import and cyclone chamber and wear passage.
The equal scalable of velocity magnitude of described rear guide roller set and leading roller group.
Lateral-blowing air cooling device and tow oiling device are additionally provided between filament spinning component and rear guide roller set on described frame,
Lateral-blowing air cooling device is located at tow oiling device rear.
Using technique scheme, the first blowing through lateral-blowing air cooling device after tow leaves spinning pack is cooled down,
Then lubricating oil will be sprayed on tow through tow oiling device, then enter in shaping heat box further around guide roller set later and dried
Roasting sizing, the then backtwisting through cyclone type false-twisting device, the fiber after backtwisting is formed with bulkiness in the presence of high pressure whirlwind
The AIRJET TEXTURING YARN of low elasticity, in AIRJET TEXTURING YARN s twist with the fingers to z twist with the fingers to number identical, AIRJET TEXTURING YARN is again through front guide roll
Group, s twist with the fingers to z twist with the fingers to the paired twisted of AIRJET TEXTURING YARN after be wound on undrawn yarn cylinder.
S twists with the fingers and to the specifically used principle of scroll tube is: first wears the head of every strand through the first strand before operation
Passage, strand pierces in cyclone chamber, and high-pressure blast is blown in cyclone chamber by the first high pressure air intake passage, high pressure draught by under
Form whirlwind upwardly along cyclone chamber inwall, strand is rotated formation twisted filament by the swirling eddy of high-speed rotation, be contained in s twist with the fingers to
The twisted filament of strand is shaped by the shaping heat box in front of scroll tube, after being twisted with the fingers to scroll tube by s through the twisted filament of sizing, due to s
Twisting with the fingers to twist with the fingers to the fiber of scroll tube rear end twists with the fingers to contrary to the fiber in front of scroll tube to twisting with the fingers with s, when fiber is twisted with the fingers to scroll tube by s
When fiber by backtwisting.Fiber after backtwisting because after strand backtwisting produce deformation, be formed with the similar low of certain bulkiness
The AIRJET TEXTURING YARN of elater.
Z twists with the fingers and twists with the fingers to scroll tube and s identical to the specifically used principle of scroll tube, except for the difference that twists with the fingers to contrary, thus may be used
Make s twist with the fingers to strand and z twist with the fingers to strand obtain also well twisted being wound on undrawn yarn cylinder.
Cyclone chamber in the present invention is so easy in the presence of high pressure whirlwind, by silk in rugby ball shape (elliposoidal)
Bar blows out the fluff structure of hollow.
It is contained in the leading roller group of cyclone type false-twisting device front and back ends and the velocity of rotation scalable of rear guide roller set by adjusting
The false twist tension of strand.
To adjust the winding tension of undrawn yarn by adjusting undrawn yarn cylinder with the speed of leading roller group than adjustment.
Rotate the different of wind direction because the z in cyclone type false-twisting device twists with the fingers to twist with the fingers to scroll tube from s to scroll tube, after false twisting
Strand divide s twist with the fingers to z twist with the fingers to, s twist with the fingers to z twist with the fingers to strand can before coiling and molding and silk (silk cylinder), with eliminate because fiber because
Twist with the fingers and beat torsion phenomenon to produce.
In sum, the present invention compared with prior art, has the advantage that present configuration is simple, reasonable in design,
Spinning and this two procedures of false twisting are combined into one, and a step completes, thus improve production efficiency, it is to avoid tow be deformed and
Occur beating torsion phenomenon, fully ensured that product quality.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation that in Fig. 1, s twists with the fingers to scroll tube；
Fig. 3 is a-a sectional view in Fig. 2；
Fig. 4 is the structural representation that in Fig. 1, z twists with the fingers to scroll tube；
Fig. 5 is b-b sectional view in Fig. 4.
Specific embodiment
As shown in figure 1, the acid fiber by polylactic high speed spinning of the present invention, false twisting integral system, including frame 1, frame 1 by
It is sequentially provided with filament spinning component 2, rear guide roller set 3, shaping heat box 4, cyclone type false-twisting device, leading roller group 5 and undrawn yarn before arriving afterwards
Cylinder 6.
Polylactic acid is fabricated to fibre bundle first around guide roller set 3 later by filament spinning component 2, enters back in shaping heat box 4
Row baking sizing, the then backtwisting through cyclone type false-twisting device, the fiber after backtwisting is formed with fluffy in the presence of high pressure whirlwind
The AIRJET TEXTURING YARN of pine property low elasticity, in AIRJET TEXTURING YARN s twist with the fingers to z twist with the fingers to number identical, AIRJET TEXTURING YARN is again through front
Guide roller set 5, s twist with the fingers to z twist with the fingers to the paired twisted of AIRJET TEXTURING YARN after be wound on undrawn yarn cylinder 6.
Cyclone type false-twisting device includes that number is identical and the staggered s being arranged side by side twists with the fingers and twists with the fingers to scroll tube 8 to scroll tube 7 and z.
As shown in Figure 2 and Figure 4, s twists with the fingers to twist with the fingers to scroll tube 7 and z and all includes body 10 to scroll tube 8, is provided with inside body 10
Cyclone chamber 11, body 10 front-end and back-end are respectively equipped with the tow outlet 12 connecting with cyclone chamber 11 and tow import 13,
Cyclone chamber 11 section in the lateral direction is circle, corresponding before and after tow outlet 12 and tow import 13, all circles
Center all on the line of centres of tow outlet 12 and tow import 13, cyclone chamber 11 is in tow outlet 12 and tow import
The circular radius of 13 line of centres midpoint are maximum, circular radius forward or backward at the internal maximum circle of cyclone chamber 11
It is gradually reduced.Body 10 is made up of in front and back's two parts, is so easy to processing and manufacturing.
As shown in figure 3, s twists with the fingers tilting to be provided with the first high pressure air intake passage 14 to body 10 left lower of scroll tube 7, first
The outlet of high pressure air intake passage 14 is connected with cyclone chamber 11 bottom, the centrage of the first high pressure air intake passage 14 and cyclone chamber
11 inwalls are tangent；It is provided with from top to bottom on the right side of body 10 and all connect with tow outlet 12, tow import 13 and cyclone chamber 11
First strand wears passage 15.
As shown in figure 5, z twists with the fingers tilting to be provided with the second high pressure air intake passage 16 to body 10 lower right side of scroll tube 8, second
The outlet of high pressure air intake passage 16 is connected with cyclone chamber 11 bottom, the centrage of the second high pressure air intake passage 16 and cyclone chamber
11 inwalls are tangent；It is provided with from top to bottom on the left of body 10 and all connect with tow outlet 12, tow import 13 and cyclone chamber 11
Second strand wears passage 17.
The equal scalable of the velocity magnitude of guide roller set 3 and leading roller group 5 afterwards.
Lateral-blowing air cooling device 18 and tow oiling device are additionally provided between filament spinning component 2 and rear guide roller set 3 on frame 1
19, lateral-blowing air cooling device 18 is located at tow oiling device 19 rear.
Filament spinning component 2 in the present invention, rear guide roller set 3, shaping heat box 4, leading roller group 5, undrawn yarn cylinder 6, side-blown air-cooled
But device 18 and tow oiling device 19 are existing mature technology, and specific configuration repeats no more.
When work uses, the first blowing through lateral-blowing air cooling device 18 after tow 20 leaves spinning pack obtains the present invention
Cooling, then will spray lubricating oil through tow oiling device 19, then enters into shaping heat box further around guide roller set 3 later on tow
Carry out baking sizing, the then backtwisting through cyclone type false-twisting device, the fiber after backtwisting is formed in the presence of high pressure whirlwind in 4
Have the AIRJET TEXTURING YARN of bulkiness low elasticity, in AIRJET TEXTURING YARN s twist with the fingers to z twist with the fingers to number identical, AIRJET TEXTURING YARN warp again
Cross leading roller group 5, s twist with the fingers to z twist with the fingers to the paired twisted of AIRJET TEXTURING YARN after be wound on undrawn yarn cylinder 6.
S twists with the fingers and to the specifically used principle of scroll tube 7 is: first wears the head of every strand 21 through the first strand before operation
If passage 15, strand 21 pierces in cyclone chamber 11, and high-pressure blast is blown in cyclone chamber 11 by the first high pressure air intake passage 14,
High pressure draught forms whirlwind along cyclone chamber 11 inwall from bottom to top, and strand 21 is rotated shape by the swirling eddy of high-speed rotation
Become twisted filament, be contained in s and twist with the fingers the twisted filament sizing of strand to the shaping heat box 4 in front of scroll tube 7, when s is passed through in the twisted filament through sizing
Twist with the fingers to after scroll tube 7, twist with the fingers to contrary to the fiber in scroll tube 7 front because s twists with the fingers to twist with the fingers to the fiber of scroll tube 7 rear end to twisting with the fingers with s,
When fiber is twisted with the fingers to scroll tube 7 by s, fiber is by backtwisting.Fiber after backtwisting is because of the deformation of generation, shape after strand backtwisting
Become to have the AIRJET TEXTURING YARN of the similar low stretch yarn of certain bulkiness.
Z twists with the fingers and twists with the fingers to scroll tube 8 and s identical to the specifically used principle of scroll tube 7, except for the difference that twists with the fingers to contrary, thus
Can make s twist with the fingers to strand and z twist with the fingers to strand obtain also well twisted being wound on undrawn yarn cylinder 6.
Adjustable by adjusting the velocity of rotation being contained in the leading roller group 5 of cyclone type false-twisting device front and back ends and rear guide roller set 3
The false twist tension of section strand.
To adjust the winding tension of undrawn yarn by adjusting undrawn yarn cylinder 6 with the speed of leading roller group 5 than adjustment.
Rotate the different of wind direction because the z in cyclone type false-twisting device twists with the fingers to twist with the fingers to scroll tube 8 from s to scroll tube 7, after false twisting
Strand divide s twist with the fingers to z twist with the fingers to, s twist with the fingers to z twist with the fingers to strand can be before coiling and molding and silk (silk cylinder), to eliminate because of fiber
Beat torsion phenomenon because twisting with the fingers to produce.
Cyclone chamber 11 in the present invention is so easy in the presence of high pressure whirlwind in rugby ball shape (elliposoidal), will
Strand blows out the fluff structure of hollow.
Above example is only in order to illustrative and not limiting technical scheme, although reference above-described embodiment is to this
Bright be described in detail, it will be understood by those within the art that: still the present invention can be modified or wait
With replacing, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should cover the power in the present invention
In the middle of sharp claimed range.
Claims (3)
1. acid fiber by polylactic high speed spinning, false twisting integral system, including frame it is characterised in that: frame is from back to front successively
It is provided with filament spinning component, rear guide roller set, shaping heat box, cyclone type false-twisting device, leading roller group and undrawn yarn cylinder；
Polylactic acid is fabricated to fibre bundle first around guide roller set later by filament spinning component, enters back into carry out in shaping heat box toasting and determines
Type, the then backtwisting through cyclone type false-twisting device, the fiber after backtwisting is formed with the low bullet of bulkiness in the presence of high pressure whirlwind
The AIRJET TEXTURING YARN of property, in AIRJET TEXTURING YARN s twist with the fingers to z twist with the fingers to number identical, AIRJET TEXTURING YARN is again through leading roller group, s
Twist with the fingers to z twist with the fingers to the paired twisted of AIRJET TEXTURING YARN after be wound on undrawn yarn cylinder；
Described cyclone type false-twisting device includes that number is identical and the staggered s being arranged side by side twists with the fingers and twists with the fingers to scroll tube to scroll tube and z；
S twists with the fingers to twist with the fingers to scroll tube and z and all includes body to scroll tube, and body interior is provided with cyclone chamber, and body front-end and back-end are divided
It is not provided with the tow outlet connecting with cyclone chamber and tow import, cyclone chamber section in the lateral direction is circle,
Corresponding before and after tow outlet and tow import, all circular centers all on the line of centres of tow outlet and tow import,
Cyclone chamber is maximum in the circular radius of tow outlet and the line of centres midpoint of tow import, the internal greatest circle of cyclone chamber
At shape, circular radius forward or backward are gradually reduced；
S twists with the fingers and tilts to be provided with the first high pressure air intake passage, the outlet of the first high pressure air intake passage to the body left lower of scroll tube
Connect with cyclone chamber bottom, the centrage of the first high pressure air intake passage is tangent with cyclone chamber inwall；On the right side of body from upper and
Have the first strand all connecting with tow outlet, tow import and cyclone chamber and wear passage；
Z twists with the fingers and tilts to be provided with the second high pressure air intake passage, the outlet of the second high pressure air intake passage to the body lower right side of scroll tube
Connect with cyclone chamber bottom, the centrage of the second high pressure air intake passage is tangent with cyclone chamber inwall；On the left of body from upper and
Have the second strand all connecting with tow outlet, tow import and cyclone chamber and wear passage.
2. acid fiber by polylactic high speed spinning according to claim 1, false twisting integral system it is characterised in that: after described
The equal scalable of velocity magnitude of guide roller set and leading roller group.
3. acid fiber by polylactic high speed spinning according to claim 1 and 2, false twisting integral system it is characterised in that: described
Lateral-blowing air cooling device and tow oiling device, side-blown air cooling dress are additionally provided between filament spinning component and rear guide roller set on frame
Setting in tow oiling device rear.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510029208.0A CN104562252B (en) | 2015-01-21 | 2015-01-21 | High-speed spinning and false twisting integrated system for polylactic acid fibers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510029208.0A CN104562252B (en) | 2015-01-21 | 2015-01-21 | High-speed spinning and false twisting integrated system for polylactic acid fibers |
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| CN104562252A CN104562252A (en) | 2015-04-29 |
| CN104562252B true CN104562252B (en) | 2017-01-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603551B (en) * | 2016-01-30 | 2017-11-14 | 河南省龙都生物科技有限公司 | Bamboo charcoal polylactic acid slice manufacturing system |
| CN105525369B (en) * | 2016-01-30 | 2018-01-30 | 河南省龙都生物科技有限公司 | Bamboo charcoal micropowder polylactic acid slice produces fiber system |
| CN114371059B (en) * | 2022-01-13 | 2023-12-01 | 张果 | Fiber combustion sample preparation machine and sample stranding process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2692513B2 (en) * | 1992-11-10 | 1997-12-17 | 東レ株式会社 | Method and apparatus for producing polyester fiber |
| JP4410018B2 (en) * | 2004-04-02 | 2010-02-03 | 三菱レイヨン株式会社 | False twisted yarn, production method thereof, and woven / knitted fabric thereof |
| CN101760798A (en) * | 2009-12-24 | 2010-06-30 | 烟台氨纶股份有限公司 | Manufacturing method of spandex heavy denier yarn |
| WO2012052203A1 (en) * | 2010-10-21 | 2012-04-26 | Oerlikon Textile Gmbh & Co. Kg | Method for producing a multifilament composite thread and melt spinning device |
| CN103266365A (en) * | 2013-05-20 | 2013-08-28 | 东华大学 | Device and method for twisting electrostatic spinning nanofiber into yarn in jetting mode |
-
2015
- 2015-01-21 CN CN201510029208.0A patent/CN104562252B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2692513B2 (en) * | 1992-11-10 | 1997-12-17 | 東レ株式会社 | Method and apparatus for producing polyester fiber |
| JP4410018B2 (en) * | 2004-04-02 | 2010-02-03 | 三菱レイヨン株式会社 | False twisted yarn, production method thereof, and woven / knitted fabric thereof |
| CN101760798A (en) * | 2009-12-24 | 2010-06-30 | 烟台氨纶股份有限公司 | Manufacturing method of spandex heavy denier yarn |
| WO2012052203A1 (en) * | 2010-10-21 | 2012-04-26 | Oerlikon Textile Gmbh & Co. Kg | Method for producing a multifilament composite thread and melt spinning device |
| CN103266365A (en) * | 2013-05-20 | 2013-08-28 | 东华大学 | Device and method for twisting electrostatic spinning nanofiber into yarn in jetting mode |
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| CN104562252A (en) | 2015-04-29 |
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