CN109972246A - Air flow spinning apparatus - Google Patents
Air flow spinning apparatus Download PDFInfo
- Publication number
- CN109972246A CN109972246A CN201811608396.2A CN201811608396A CN109972246A CN 109972246 A CN109972246 A CN 109972246A CN 201811608396 A CN201811608396 A CN 201811608396A CN 109972246 A CN109972246 A CN 109972246A
- Authority
- CN
- China
- Prior art keywords
- sliver
- yarn
- air flow
- spinning
- spinning apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/11—Spinning by false-twisting
- D01H1/115—Spinning by false-twisting using pneumatic means
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/28—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by inserting twist during drafting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The present invention relates to a kind of air flow spinning apparatuss for producing yarn, in the air flow spinning apparatus, using drafting system drawing-off sliver, sliver is conveyed to open-end spinning unit later to generate Yarn twisting, then the sliver is extracted out from open-end spinning unit and is wound up on cross winding bobbin.Degree is minimized here, the yarn of appearance should be deflected, yarn deflection is formed especially by air-flow based on the revolving speed of drafting system delivery roller.According to the present invention, for this purpose, being equipped with false twisting mechanism in the preliminary draft area of drafting system, false twisting mechanism configures the sliver twist according to alternate twist direction, and later, sliver is drafted to denier count as received in main drawing area and is fed to open-end spinning unit.
Description
The application be international filing date be on December 5th, 2013, application No. is 201310757014.3, it is entitled
The divisional application of the application for a patent for invention of " air flow spinning apparatus ".
Technical field
The present invention relates to a kind of air flow spinning apparatuss for producing yarn to be led in air flow spinning apparatus using drafting system
Sliver is stretched, sliver is conveyed to open-end spinning unit to generate Yarn twisting later, is taken out from open-end spinning unit by the sliver
Out and it is wound up on cross winding bobbin.
Background technique
Traditional Weaving method such as ring spinning for establishing on the market, close and rotor spinning are about its production capacity
The specific limit of method is nearly all reached.By using air to be used to configure mechanical group of the twist in the spinning process of script
Part should be especially cancelled, and alternatively use pneumatic device.
For open-end spinning, in the faster situation of and speed of production higher in total draft, sliver is in drafting system
It is drafted to final fiber number.The sliver leaked out between the delivery roller of drafting system enters hollow yarn-spinning spindle by spinning head
Feeding mouth.When sliver enters Yarn-spinning spindle, free yarn ends wind the taper spindle of Yarn-spinning spindle using circulating current
Head and the so-called core-spun fiber of spiral wound during yarn is pulled in spindle.Core-spun fiber is together with so-called envelope fiber
New yarn is constituted, which is unwound, is monitored by yarn clearer to it, is cleaned and is wound up when necessary.
In order to which the yarn of high quality, air-flow weaving can be produced, drafting system is mounted directly in front of open-end spinning unit
With special significance.It is available herein to attenuate and further parallel spun yarn.Purpose is to produce sliver uniform as far as possible,
So as to it is possible thereby to yarn uniform as far as possible of weaving out.
Multiple rollers pair in tandem are typically provided in drafting system.Each roller is to including bottom roll and upper pressure
Roller.Sliver is by roller to being fed to open-end spinning unit.Because the peripheral speed of roller pair increases along yarn direction of travel
Greatly, so there are so-called drawing-offs.It is observed along yarn direction of travel, two last rollers are to composition main drawing area；Before
Part constitutes preliminary draft area.Usual drafting system is furnished with one or two preliminary draft area, they are accordingly described as three rollers and lead
Stretch device drafting device with four rollers in other words.
At drafting system rear, mass change in sliver may not rebalancing, occur mass change again in yarn.This
Outside, it has seldom been brought a negative impact to drafting process, such as occur due to the rotation speed of drafting system delivery roller
Air-flow makes individual fiber deviate sliver, and part is even detached from sliver, thus affects yarn qualities.The case where this deterioration
Raising with spinning speed disproportionately increases.
10 2,005 022 186 A1 of DE describes a kind of method for producing air-flow textile yarn, wherein will have compared with
The flier roving food drafting system of low twist.It additionally, can also be by the drafting system delivery roller of flier rove in master
Specific set-up mode in draft area configures slight false twisting.
195 26 048 A1 of DE discloses a kind of spinning machine, wherein sets along yarn direction of travel at spinning unit rear
There is the false twisting mechanism including two hollow rollers.Here, thus should can be spun to the yarn configuration twist for having completed spinning
Weave that scared degree is lower, close and uniform spun yarn.
20 42 387 A1 of DE illustrates a kind of device and method for producing short fiber yarn, and short fiber yarn passes through whole
Body cross section has twist structure.After flier roving-drafting to final yarns fiber number, implements unified using twisting mechanism and connect
Continuous twist configuration.It is characterized in that herein, twist configuration is implemented in negative draft area, and negative draft area is along yarn direction of travel quilt
It is located at the rear of the only known drafting system with positive drawing-off.Made yarn has " Corkscrew twist " according to typical method；This
Kind phenomenon occurs after configuring the twist, this is because some spun yarn group backtwistings in other twist contractions.In order to eliminate such case,
It is subsequent to carry out another so-called first break draft process.
1 853 755 B1 of EP discloses a kind of no flier Yarn spinning method and a kind of device with drafting system, with
Just the very thin very very thin yarn up to being less than 10tex can be produced without using flier.Using being usually provided at spinning preparation
The first drafting system production in process is less than the thin tulle item of 2.5ktex.According to the invention be sliver configure every meter five twist or
The protection of more twists is twisted, to prevent during conveying and continuing processing, when sliver is pulled in the second drafting system or air-flow
There is misdraft when spinning unit.
Device and method are proven to have following disadvantage according to prior art:
10 2,005 022 186 A1 of DE describes a kind of mutual set-up mode of delivery roller, wherein delivery roller pair
What is worn is especially fast.Furthermore the unified twist can only be configured by this setup.Not only according to 195 26 048 A1 of DE,
And according to 20 42 387 A1 of DE all after sliver drawing-off to final yarns fiber number, just implement twist configuration.Thus
Unsatisfactorily solve the problems, such as that fiber deviates and be partially disengaged sliver.
Summary of the invention
Task of the invention lies in a kind of device is recommended, particularly by the air-flow formed based on drafting system delivery roller
The fiber deflection of appearance is minimized into degree.
According to the first aspect of the invention, false twisting mechanism, the false twisting are equipped in the preliminary draft area of the drafting system
Mechanism configures the sliver twist according to alternate twist direction, and later, the sliver is drafted to denier count as received in main drawing area
And it is fed to the open-end spinning unit.It gradually obtains being fed to main drawing area and cause and constantly replacing twist direction
Required improved twisting.By the twisting so that sliver is more compact, side yarn is also intermediate in company with entering.Thus individual fibre is prevented
Dimension deviates sliver before the clamping gap of delivery roller pair by air-flow.Therefore the uniformity of yarn is improved.
According to the second aspect of the invention, in an advantageous manner, the drawing-off dress in front of the spinning unit
Setting is drafting device with four rollers.The draft area that drafting system has is more, and the desired uniformity and parallel position of yarn are just
It is more accurate.In this way, sliver is also graded drawing-off.
According to the third aspect of the invention we, false twisting mechanism is arranged in the second preliminary draft area.This setup it is excellent
Point is that sliver has passed through the first preliminary draft area and attenuated, and so as to apply more twisting, these twisting, which are limited solely by, there is no harm in
Hinder the strength drawing-off of main drawing area.The purpose of the present invention has been obtained by twisting on a small quantity, that is, side yarn " can be captured ".
According to the fourth aspect of the invention, the preferably described false twisting mechanism is scroll tube.Scroll tube is around its longitudinal axis with suitable
The mode of hand twisting and backhand twisting is constantly replaced, and alternate twisting is transferred to sliver in this way.
According to the fifth aspect of the invention, false twisting mechanism is the nozzle for capableing of pneumatic actuation.By corresponding set-up mode and
Applying air to the air nozzle in through channel is also alternate twisting of the sliver configuration around its longitudinal axis, which avoids
The component of mechanical motion.
The invention is not limited to specific twisting mechanisms.
Detailed description of the invention
Illustrate the present invention below in conjunction with the station of the open-end spinning frame schematically shown.
In figure:
Fig. 1 is equipped with the front view of the weaving loom of air flow spinning apparatus；
Fig. 2 is the spinning apparatus of the spinning position of broken section and the open-end spinning frame of the Fig. 1 obviously simplifiedly shown.
Specific embodiment
Fig. 1 schematically shows the front view of open-end spinning frame 1.The weaving loom has multiple stations or spinning arranged side by side
Yarn station 2, they are positioned between the so-called end racks 15,16 for being set to end side.
As further illustrated in Figure 1, each station 2, which is respectively arranged with, is fed for material, such as the sliver 4 being stored in spinning bucket 3.
In addition, each station 2 also have drafting system 5, air flow spinning apparatus 6, yarns take-off device 7, yarn clearer 8 and
Winding device.
Matched Yarn lateral-movement device 9 for will in open-end spinning unit 6 yarn 10 made of sliver 4 mutually to hand over
The layer of fork is wound up on doff bobbin 11.
Cross winding bobbin 11 generally remains on unshowned bobbin cradle and by same the doff bobbin in other words
Unshowned bobbin driver rotation.
As further illustrated in Figure 1, the station 2 of weaving loom 1 is preferably supplied by the operation unit 12 of utonomous working, behaviour
Making unit 12 can be moved in a manner of guiding on guide rail 13,14 along station 2.
Fig. 2 shows drafting systems 5, and are located at the open-end spinning unit 6 in downstream and the path of sliver 4.It is taken out from spinning bucket 3
The sliver 4 taken has been fed for top roller and bottom roll 31,32 as feed roller pair, utilizes top roller and bottom roll 33,34；
35,36；39,40 carry out drawing-off.
Top roller and bottom roll 35,36 and apron 37,38 cooperate.Top roller and bottom roll 39,40 are as output sieve
It draws.According to the present invention, false twisting mechanism 41 is equipped in top roller and bottom roll 33,34 rears.
Spray nozzle device 42 is equipped in the input terminal of spinning unit 6.Nozzle 43,44 passes through pipeline 45 and compressed air source 46
It is connected.The air flowed out from nozzle 43,44 generates vortex, utilizes the sliver 4 of vortex driving drawing-off.47 quilt of hollow spinning cone body
It is connected on nozzle 43,44.Hollow spinning cone is passed through by the yarn 10 that spray nozzle device 42 and the spinning collaborative work of cone 47 are formed
Body 47 is extracted out from spinning unit 6.Gas chamber 48 around spinning cone 47 is connected using another pipeline 49 with negative pressure source 50.
199 26 492 A1 of DE can be for example referred to using the details of the spinning process of this spinning apparatus.
Sliver 4 is by roller to 31,32；33,34；35,36；39,40 it is transported to open-end spinning unit, wherein roller
Pair peripheral speed along yarn direction of travel increase.In the first preliminary draft area 51, sliver 2 is drafted most 4 times.It is pre- second
In draft area 52, sliver 4 is further drawn and also obtains alternating twisting by false twisting mechanism 41.In main drawing area 53,
Sliver 4 obtains its final fiber number, and final fiber number is equivalent to denier count as received.Top roller and bottom roll 39,40 as delivery roller
Generate the air-flow towards wedge piece 54.Air-flow can be without the bite between top roller and bottom roll 39,40, thus direction
Top roller and bottom roll 39, the flowing of 40 sides.
According to the present invention, into main drawing area 53, preliminary draft sliver 4 have alternating twist.Thus spun yarn-is kept
Spun yarn-adhesion strength and sufficiently large pulling force is equally kept in sliver 4 in turn, so that top roller and lower sieve will be blowed to by air
The quantity of the fiber of 39,40 sides is drawn to be kept as seldom.Thus these fibers are equally conveyed to spinning process, form scared journey
Spend the yarn that lower and uniformity is able to improved, high quality air-flow weaving.
Claims (5)
1. a kind of air flow spinning apparatus for producing yarn, in the air flow spinning apparatus, using drafting system drawing-off sliver, it
The sliver is conveyed to open-end spinning unit to generate Yarn twisting afterwards, is extracted out from the open-end spinning unit by the sliver
And be wound up on cross winding bobbin,
It is characterized in that,
False twisting mechanism is equipped in the preliminary draft area of the drafting system, the false twisting mechanism is around its longitudinal axis smoothly to twist
It is constantly replaced with the mode of backhand twisting, constantly to replace the twist direction of the sliver, and thus in accordance with alternate twisting
Direction configures the sliver twist, and later, the sliver is drafted to denier count as received in main drawing area and is supplied to the air spinning
Yarn unit.
2. air flow spinning apparatus according to claim 1, which is characterized in that led described in front of the spinning unit
Stretching device is drafting device with four rollers.
3. air flow spinning apparatus according to claim 2, which is characterized in that the false twisting mechanism is arranged on second and leads in advance
It stretches in area.
4. air flow spinning apparatus according to claim 3, which is characterized in that the false twisting mechanism is scroll tube.
5. air flow spinning apparatus according to claim 3, which is characterized in that the false twisting mechanism being capable of pneumatic actuation
Nozzle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012023985.8A DE102012023985A1 (en) | 2012-12-07 | 2012-12-07 | Air spinning device |
| DE102012023985.8 | 2012-12-07 | ||
| CN201310757014.3A CN103866439A (en) | 2012-12-07 | 2013-12-05 | Air spinning machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310757014.3A Division CN103866439A (en) | 2012-12-07 | 2013-12-05 | Air spinning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109972246A true CN109972246A (en) | 2019-07-05 |
Family
ID=49666917
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310757014.3A Pending CN103866439A (en) | 2012-12-07 | 2013-12-05 | Air spinning machine |
| CN201811608396.2A Pending CN109972246A (en) | 2012-12-07 | 2013-12-05 | Air flow spinning apparatus |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310757014.3A Pending CN103866439A (en) | 2012-12-07 | 2013-12-05 | Air spinning machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2740821B1 (en) |
| JP (1) | JP6207369B2 (en) |
| CN (2) | CN103866439A (en) |
| DE (1) | DE102012023985A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226861A (en) * | 2020-09-21 | 2021-01-15 | 东华大学 | Method and device for collecting fire grass fibers |
| CN112301473A (en) * | 2019-08-01 | 2021-02-02 | 村田机械株式会社 | Spinning machine |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017122318A1 (en) * | 2017-09-26 | 2019-03-28 | Saurer Spinning Solutions Gmbh & Co. Kg | compressor means |
| CN109402802A (en) * | 2018-12-21 | 2019-03-01 | 苏州大学 | False twist textured yarn production equipment and method based on double eddy-current techniques |
| CN114197095B (en) * | 2021-11-29 | 2023-03-24 | 武汉纺织大学 | Twisting direction alternate twisting winding device and using method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB348079A (en) * | 1930-02-06 | 1931-05-06 | Emil Gminder | Improvements in a drawing method and drawing apparatus for producting high drafts |
| JPS6045615A (en) * | 1983-08-22 | 1985-03-12 | Unitika Ltd | Wet spinning of flax fiber |
| JPH0718522A (en) * | 1993-06-29 | 1995-01-20 | Murata Mach Ltd | Air spinning unit |
| CN1882727A (en) * | 2003-09-12 | 2006-12-20 | 里特机械公司 | Device and method for the production of rove by means of a pneumatic spinning process |
| CN1904164A (en) * | 2005-07-27 | 2007-01-31 | 索若两合股份有限公司 | Spinning device for producing a yarn by means of a circulating air flow |
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| DE487367C (en) * | 1929-12-06 | Saechsische Maschinenfabrik Vo | Rotating device for wrong wire drawing of the stretch roving in the drafting systems of spinning machines | |
| US2091153A (en) * | 1936-07-07 | 1937-08-24 | H & B American Machine Company | Long draft apparatus and process for drawing textile rovings |
| US2515299A (en) * | 1948-10-19 | 1950-07-18 | Us Rubber Co | Apparatus for imparting false twist to strands |
| DE2042387A1 (en) * | 1970-08-26 | 1972-04-20 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Method and device for producing a staple fiber yarn |
| JPS58136840A (en) * | 1982-02-08 | 1983-08-15 | Murata Mach Ltd | Production of spun yarn |
| JPS61152832A (en) * | 1984-12-24 | 1986-07-11 | Murata Mach Ltd | Draft device |
| JPH06330414A (en) * | 1993-05-19 | 1994-11-29 | Murata Mach Ltd | Pneumatic spinning apparatus |
| JP2626571B2 (en) | 1994-07-15 | 1997-07-02 | 村田機械株式会社 | Spinning equipment |
| DE19926492A1 (en) | 1998-10-02 | 2000-04-06 | Schlafhorst & Co W | Spinning device |
| DE10258720A1 (en) * | 2002-12-09 | 2004-06-24 | Wilhelm Stahlecker Gmbh | Textile fibre spinning station has a traversing station connected to compressors serving a drafting station and air jet |
| DE102005009731A1 (en) | 2005-03-03 | 2006-09-07 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Flyerless spinning process and device with a drafting system |
| DE102005022186A1 (en) | 2005-05-13 | 2006-11-16 | Saurer Gmbh & Co. Kg | Production of air-spun threads from a fiber band on a stretching device involves use of a fiber band having a twist before the clamping gap of the exiting rollers |
| DE102005022187A1 (en) * | 2005-05-13 | 2006-11-16 | Saurer Gmbh & Co. Kg | Air spinning to produce high quality product uses an auxiliary thread which is cast off to allow knotting and splicing of newly spun thread with the upper thread |
| JP2012107363A (en) * | 2010-11-18 | 2012-06-07 | Murata Mach Ltd | Draft roller, draft machine and spinning machine |
-
2012
- 2012-12-07 DE DE102012023985.8A patent/DE102012023985A1/en not_active Withdrawn
-
2013
- 2013-11-15 EP EP13005379.6A patent/EP2740821B1/en active Active
- 2013-12-05 CN CN201310757014.3A patent/CN103866439A/en active Pending
- 2013-12-05 CN CN201811608396.2A patent/CN109972246A/en active Pending
- 2013-12-09 JP JP2013253911A patent/JP6207369B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB348079A (en) * | 1930-02-06 | 1931-05-06 | Emil Gminder | Improvements in a drawing method and drawing apparatus for producting high drafts |
| JPS6045615A (en) * | 1983-08-22 | 1985-03-12 | Unitika Ltd | Wet spinning of flax fiber |
| JPH0718522A (en) * | 1993-06-29 | 1995-01-20 | Murata Mach Ltd | Air spinning unit |
| CN1882727A (en) * | 2003-09-12 | 2006-12-20 | 里特机械公司 | Device and method for the production of rove by means of a pneumatic spinning process |
| CN1904164A (en) * | 2005-07-27 | 2007-01-31 | 索若两合股份有限公司 | Spinning device for producing a yarn by means of a circulating air flow |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301473A (en) * | 2019-08-01 | 2021-02-02 | 村田机械株式会社 | Spinning machine |
| CN112226861A (en) * | 2020-09-21 | 2021-01-15 | 东华大学 | Method and device for collecting fire grass fibers |
| CN112226861B (en) * | 2020-09-21 | 2021-10-26 | 东华大学 | Fire grass fiber collecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012023985A1 (en) | 2014-06-12 |
| CN103866439A (en) | 2014-06-18 |
| JP2014114535A (en) | 2014-06-26 |
| EP2740821A1 (en) | 2014-06-11 |
| JP6207369B2 (en) | 2017-10-04 |
| EP2740821B1 (en) | 2016-08-31 |
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