CN104562252A - 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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- CN104562252A CN104562252A CN201510029208.0A CN201510029208A CN104562252A CN 104562252 A CN104562252 A CN 104562252A CN 201510029208 A CN201510029208 A CN 201510029208A CN 104562252 A CN104562252 A CN 104562252A
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- tow
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- twist
- false
- cyclone chamber
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
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, be specifically related to a kind of acid fiber by polylactic high speed spinning, false twisting integral system.
Background technology
Acid fiber by polylactic is for raw material with amyloid agricultural product such as corn, wheat, beets, generate after lactic acid through fermentation, 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 discarded object can the synthetic fiber of natural degradation at occurring in nature.It can be analyzed to carbon dioxide and water through microbial action in soil or seawater, during burning, can not distribute poison gas, can not pollute, and is a kind of ecological fiber of sustainable development.Its fabric panel feel, drapability are good, uvioresistant, have lower combustibility and excellent processing characteristics, are applicable to various fashionable dress, leisure wear, sports goods and amenities etc., have broad application prospects.
At present, PLA carries out false twisting operation again after spinning, and spinning and false twisting operation do not complete on an equipment, and namely 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, the false twister complex structure that existing false twisting operation adopts, operation inconvenience, often makes tow produce distortion and occurs beating turning round phenomenon.
Summary of the invention
The present invention in order to solve weak point of the prior art, provide a kind of reasonable in design, structure simple, be easy to manipulation, efficient quick, the acid fiber by polylactic high speed spinning of guarantee product quality, false twisting integral system.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: acid fiber by polylactic high speed spinning, false twisting integral system, comprise frame, frame is provided with filament spinning component, rear guide roller set from back to front successively, shaping heat box, cyclone type false-twisting device, front guide roller set and undrawn yarn cylinder;
PLA is made into fibre bundle and first walks around rear guide roller set by filament spinning component, enter into again in shaping heat box and carry out baking sizing, then through the backtwisting of cyclone type false-twisting device, fiber after backtwisting is formed with the AIRJET TEXTURING YARN of bulkiness low elasticity under high pressure revolves wind action, in AIRJET TEXTURING YARN S twist with the fingers to Z twist with the fingers to number identical, AIRJET TEXTURING YARN again through front guide roller set, 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 comprises the identical and staggered S that is arranged side by side of number and twists with the fingers and twist with the fingers to false twister to false twister and Z;
S twists with the fingers and includes body to false twister and Z sth. made by twisting to false twister, body interior is provided with cyclone chamber, body front-end and back-end are respectively equipped with the tow be communicated with cyclone chamber and export and tow import, cyclone chamber cross section is in the lateral direction circle, tow exports and correspondence before and after tow import, the center of all circles is all on the line of centres of tow outlet and tow import, cyclone chamber is maximum at the circular radius of line of centres midpoint of tow outlet and tow import, and the inner maximum circular circular radius located forward or backward of cyclone chamber reduces gradually;
The body left lower that S twists with the fingers to false twister tilts to be provided with the first high pressure air intake passage, and the outlet of the first high pressure air intake passage is communicated with cyclone chamber bottom, and center line and the cyclone chamber inwall of the first high pressure air intake passage are tangent; Be provided with from top to bottom on the right side of body all export with tow, the first strand that tow import is communicated with cyclone chamber wears passage;
The body lower right side that Z twists with the fingers to false twister tilts to be provided with the second high pressure air intake passage, and the outlet of the second high pressure air intake passage is communicated with cyclone chamber bottom, and center line and the cyclone chamber inwall of the second high pressure air intake passage are tangent; Be provided with from top to bottom on the left of body all export with tow, the first strand that tow import is communicated with cyclone chamber wears passage.
The velocity magnitude of described rear guide roller set and front guide roller set is all adjustable.
Described frame is also provided with lateral-blowing air cooling device and tow oiling device between filament spinning component and rear guide roller set, and lateral-blowing air cooling device is positioned at tow oiling device rear.
Adopt technique scheme, blowing first through lateral-blowing air cooling device after tow leaves spinning pack is cooled, then lubricating oil is sprayed through tow oiling device by tow, and then walk around rear guide roller set enter in shaping heat box carry out baking sizing, then through the backtwisting of cyclone type false-twisting device, fiber after backtwisting is formed with the AIRJET TEXTURING YARN of bulkiness low elasticity under high pressure revolves wind action, 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, 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.
The concrete use principle that S twists with the fingers to false twister is: before operation, first the head of every rhizoid bar is worn passage through the first strand, strand pierces in cyclone chamber, high-pressure blast is blown in cyclone chamber by the first high pressure air intake passage, high pressure draught forms whirlwind along cyclone chamber inwall from bottom to top, strand is formed twisted filament by the swirling eddy driven rotary of High Rotation Speed, be contained in S sth. made by twisting to the shaping heat box in false twister front, the twisted filament of strand to be shaped, when the twisted filament through sizing is twisted with the fingers after false twister by S, the fiber twisted with the fingers to false twister rear end due to S is twisted with the fingers to twisting with the fingers to contrary with the fiber that S twists with the fingers to false twister front, when fiber is twisted with the fingers to fiber when false twister by backtwisting by S.Fiber after backtwisting is because of the distortion produced after strand backtwisting, the AIRJET TEXTURING YARN of similar low-stretch yarn that is formed with certain bulkiness.
Z twists with the fingers identical with the concrete use principle that S twists with the fingers to false twister to false twister, unlike sth. made by twisting on the contrary, so just can make S sth. made by twisting to strand and Z sth. made by twisting to strand obtain also good twisted being wound on undrawn yarn cylinder.
Cyclone chamber in the present invention is that rugby ball shape (elliposoidal) is easy to like this under high pressure revolves wind action, strand is blown out the fluff structure of hollow.
By regulating the false twist tension being contained in the front guide roller set of cyclone type false-twisting device front and back ends and the adjustable strand of velocity of rotation of rear guide roller set.
By the speed of adjustment undrawn yarn cylinder and front guide roller set than adjusting the winding tension adjusting undrawn yarn.
Due to the Z in cyclone type false-twisting device twist with the fingers to false twister and S twist with the fingers to false twister rotary wind to different, strand after false twisting divide S twist with the fingers to Z twist with the fingers to, S twist with the fingers to Z twists with the fingers to strand can doubling before coiling and molding (silk cylinder), to eliminate because fiber turns round phenomenon because twisting with the fingers to beating of generation.
In sum, the present invention compared with prior art, tool has the following advantages: structure of the present invention is simple, reasonable in design, be combined into one in spinning and this two procedures of false twisting, a step completes, thus improves production efficiency, avoid tow to produce distortion and occur beating turning round phenomenon, fully ensure that product quality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that in Fig. 1, S twists with the fingers the structural representation to false twister;
Fig. 3 is A-A sectional view in Fig. 2;
Fig. 4 is that in Fig. 1, Z twists with the fingers the structural representation to false twister;
Fig. 5 is B-B sectional view in Fig. 4.
Detailed description of the invention
As shown in Figure 1, acid fiber by polylactic high speed spinning of the present invention, false twisting integral system, comprise frame 1, and frame 1 is provided with filament spinning component 2, rear guide roller set 3 from back to front successively, shaping heat box 4, cyclone type false-twisting device, front guide roller set 5 and undrawn yarn cylinder 6.
PLA is made into fibre bundle and first walks around rear guide roller set 3 by filament spinning component 2, enter into again in shaping heat box 4 and carry out baking sizing, then through the backtwisting of cyclone type false-twisting device, fiber after backtwisting is formed with the AIRJET TEXTURING YARN of bulkiness low elasticity under high pressure revolves wind action, in AIRJET TEXTURING YARN S twist with the fingers to Z twist with the fingers to number identical, AIRJET TEXTURING YARN 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 comprises the identical and staggered S that is arranged side by side of number and twists with the fingers and twist with the fingers to false twister 8 to false twister 7 and Z.
As shown in Figure 2 and Figure 4, S twists with the fingers and includes body 10 to false twister 7 and Z sth. made by twisting to false twister 8, body 10 inside is provided with cyclone chamber 11, body 10 front-end and back-end are respectively equipped with the tow be communicated with cyclone chamber 11 and export 12 and tow import 13, cyclone chamber 11 cross section is in the lateral direction circle, tow exports before and after 12 and tow import 13 corresponding, the center of all circles is all on the line of centres of tow outlet 12 and tow import 13, cyclone chamber 11 is maximum at the circular radius of line of centres midpoint of tow outlet 12 and tow import 13, the inner maximum circle place of cyclone chamber 11 circular radius forward or backward reduces gradually.Body 10 is made up of front and back two parts, is convenient to processing and manufacturing like this.
As shown in Figure 3, S twists with the fingers the outlet that body 10 left lower to false twister 7 tilts to be provided with the first high pressure air intake passage 14, first high pressure air intake passage 14 and is communicated with cyclone chamber 11 bottom, and center line and cyclone chamber 11 inwall of the first high pressure air intake passage 14 are tangent; Be provided with from top to bottom on the right side of body 10 and all export 12 with tow, the first strand that tow import 13 is communicated with cyclone chamber 11 wears passage 15.
As shown in Figure 5, Z twists with the fingers the outlet that body 10 lower right side to false twister 8 tilts to be provided with the second high pressure air intake passage 16, second high pressure air intake passage 16 and is communicated with cyclone chamber 11 bottom, and center line and cyclone chamber 11 inwall of the second high pressure air intake passage 16 are tangent; Be provided with from top to bottom on the left of body 10 and all export 12 with tow, the first strand that tow import 13 is communicated with cyclone chamber 11 wears passage 17.
The velocity magnitude of rear guide roller set 3 and front guide roller set 5 is all adjustable.
Frame 1 is also provided with lateral-blowing air cooling device 18 and tow oiling device 19 between filament spinning component 2 and rear guide roller set 3, and lateral-blowing air cooling device 18 is positioned at tow oiling device 19 rear.
Filament spinning component 2 in the present invention, rear guide roller set 3, shaping heat box 4, front guide roller set 5, undrawn yarn cylinder 6, lateral-blowing air cooling device 18 and tow oiling device 19 are existing mature technology, and concrete structure repeats no more.
The present invention is when working use, blowing first through lateral-blowing air cooling device 18 after tow 20 leaves spinning pack is cooled, then lubricating oil is sprayed through tow oiling device 19 by tow, and then walk around rear guide roller set 3 enter in shaping heat box 4 carry out baking sizing, then through the backtwisting of cyclone type false-twisting device, fiber after backtwisting is formed with the AIRJET TEXTURING YARN of bulkiness low elasticity under high pressure revolves wind action, 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.
The concrete use principle that S twists with the fingers to false twister 7 is: before operation, first the head of every rhizoid bar 21 is worn passage 15 through the first strand, strand 21 pierces in cyclone chamber 11, 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, strand 21 is formed twisted filament by the swirling eddy driven rotary of High Rotation Speed, be contained in S sth. made by twisting to the shaping heat box 4 in false twister 7 front, the twisted filament of strand to be shaped, when the twisted filament through sizing is twisted with the fingers after false twister 7 by S, the fiber twisted with the fingers to false twister 7 rear end due to S is twisted with the fingers to twisting with the fingers to contrary with the fiber that S twists with the fingers to false twister 7 front, when fiber by S twist with the fingers to false twister 7 time fiber by backtwisting.Fiber after backtwisting is because of the distortion produced after strand backtwisting, the AIRJET TEXTURING YARN of similar low-stretch yarn that is formed with certain bulkiness.
Z twists with the fingers identical with the concrete use principle that S twists with the fingers to false twister 7 to false twister 8, unlike sth. made by twisting on the contrary, so just can make S sth. made by twisting to strand and Z sth. made by twisting to strand obtain also good twisted being wound on undrawn yarn cylinder 6.
By regulating the false twist tension being contained in the adjustable strand of velocity of rotation of the front guide roller set of cyclone type false-twisting device front and back ends 5 and rear guide roller set 3.
By the speed of adjustment undrawn yarn cylinder 6 and front guide roller set 5 than adjusting the winding tension adjusting undrawn yarn.
Due to the Z in cyclone type false-twisting device twist with the fingers to false twister 8 and S twist with the fingers to false twister 7 rotary wind to different, strand after false twisting divide S twist with the fingers to Z twist with the fingers to, S twist with the fingers to Z twists with the fingers to strand can doubling before coiling and molding (silk cylinder), to eliminate because fiber turns round phenomenon because twisting with the fingers to beating of generation.
Cyclone chamber 11 in the present invention is easy under high pressure revolves wind action in rugby ball shape (elliposoidal) like this, strand is blown out the fluff structure of hollow.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: still can modify to the present invention or equivalent replacement, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (3)
1. acid fiber by polylactic high speed spinning, false twisting integral system, comprises frame, it is characterized in that: frame is provided with filament spinning component, rear guide roller set from back to front successively, shaping heat box, cyclone type false-twisting device, front guide roller set and undrawn yarn cylinder;
PLA is made into fibre bundle and first walks around rear guide roller set by filament spinning component, enter into again in shaping heat box and carry out baking sizing, then through the backtwisting of cyclone type false-twisting device, fiber after backtwisting is formed with the AIRJET TEXTURING YARN of bulkiness low elasticity under high pressure revolves wind action, in AIRJET TEXTURING YARN S twist with the fingers to Z twist with the fingers to number identical, AIRJET TEXTURING YARN again through front guide roller set, 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 comprises the identical and staggered S that is arranged side by side of number and twists with the fingers and twist with the fingers to false twister to false twister and Z;
S twists with the fingers and includes body to false twister and Z sth. made by twisting to false twister, body interior is provided with cyclone chamber, body front-end and back-end are respectively equipped with the tow be communicated with cyclone chamber and export and tow import, cyclone chamber cross section is in the lateral direction circle, tow exports and correspondence before and after tow import, the center of all circles is all on the line of centres of tow outlet and tow import, cyclone chamber is maximum at the circular radius of line of centres midpoint of tow outlet and tow import, and the inner maximum circular circular radius located forward or backward of cyclone chamber reduces gradually;
The body left lower that S twists with the fingers to false twister tilts to be provided with the first high pressure air intake passage, and the outlet of the first high pressure air intake passage is communicated with cyclone chamber bottom, and center line and the cyclone chamber inwall of the first high pressure air intake passage are tangent; Be provided with from top to bottom on the right side of body all export with tow, the first strand that tow import is communicated with cyclone chamber wears passage;
The body lower right side that Z twists with the fingers to false twister tilts to be provided with the second high pressure air intake passage, and the outlet of the second high pressure air intake passage is communicated with cyclone chamber bottom, and center line and the cyclone chamber inwall of the second high pressure air intake passage are tangent; Be provided with from top to bottom on the left of body all export with tow, the first strand that tow import is communicated with cyclone chamber wears passage.
2. according to claim 1 acid fiber by polylactic high speed spinning, false twisting integral system, it is characterized in that: the velocity magnitude of described rear guide roller set and front guide roller set is all adjustable.
3. according to claim 1 or 2 acid fiber by polylactic high speed spinning, false twisting integral system, it is characterized in that: described frame is also provided with lateral-blowing air cooling device and tow oiling device between filament spinning component and rear guide roller set, lateral-blowing air cooling device is positioned at tow oiling device rear.
Priority Applications (1)
| 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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| 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 true CN104562252A (en) | 2015-04-29 |
| CN104562252B CN104562252B (en) | 2017-01-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525369A (en) * | 2016-01-30 | 2016-04-27 | 河南省龙都生物科技有限公司 | System for producing fibers from bamboo charcoal micro powder and polylactic acid slices |
| CN105603551A (en) * | 2016-01-30 | 2016-05-25 | 河南省龙都生物科技有限公司 | Production system for bamboo charcoal and polylactic acid chips |
| CN114371059A (en) * | 2022-01-13 | 2022-04-19 | 张果 | Fiber combustion sample preparation machine and sample twisting process |
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| 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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2015
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| 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525369A (en) * | 2016-01-30 | 2016-04-27 | 河南省龙都生物科技有限公司 | System for producing fibers from bamboo charcoal micro powder and polylactic acid slices |
| CN105603551A (en) * | 2016-01-30 | 2016-05-25 | 河南省龙都生物科技有限公司 | Production system for bamboo charcoal and polylactic acid chips |
| 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 |
| CN114371059A (en) * | 2022-01-13 | 2022-04-19 | 张果 | Fiber combustion sample preparation machine and sample twisting process |
| CN114371059B (en) * | 2022-01-13 | 2023-12-01 | 张果 | Fiber combustion sample preparation machine and sample stranding process |
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| CN104562252B (en) | 2017-01-25 |
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