WO2006027216A1 - Luftdüsenspinnvorrichtung - Google Patents
Luftdüsenspinnvorrichtung Download PDFInfo
- Publication number
- WO2006027216A1 WO2006027216A1 PCT/EP2005/009577 EP2005009577W WO2006027216A1 WO 2006027216 A1 WO2006027216 A1 WO 2006027216A1 EP 2005009577 W EP2005009577 W EP 2005009577W WO 2006027216 A1 WO2006027216 A1 WO 2006027216A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- channel
- spindle
- shaped component
- opening
- faserzuführkanal
- Prior art date
Links
- 238000010042 air jet spinning Methods 0.000 title claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 51
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 238000007142 ring opening reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009987 spinning Methods 0.000 description 12
- 238000007664 blowing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- D01H4/02—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 imparting twist by a fluid, e.g. air vortex
-
- 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
- D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
- D01H15/002—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing for false-twisting spinning machines
Definitions
- the invention relates to an air jet spinning device having a Faserzu Fightingkanal opening into a swirl chamber, with an emerging from the swirl chamber, having an inlet opening yarn withdrawal channel, which is arranged in a spindle-shaped component, with an adjusting device for moving away the spindle-shaped component from the fiber feed channel and with an outlet opening against directed the spindle-shaped component, connectable to a compressed air source cleaning channel.
- An air jet spinning device of this type is known from DE 195 01 545 C2 prior art.
- a staple fiber bundle is warped in a preceding drafting to a fiber ribbon, which is then given the spin rotation in the air jet spinning device.
- the fiber ribbon is first passed through a Faserzu Swisskanal the air jet spinning device in a vortex chamber, which is associated with a fluid means for generating a vortex flow around an inlet opening of a yarn withdrawal channel around.
- the object is erfindungsgerphaseß solved in that the cleaning channel opens into a surrounding the spindle-shaped annular member, from which a first outlet opening - when moved away from the Faserzu Foodkanal spindle-shaped member - formed as the spindle-shaped member surrounding ring opening and directed against the Faserzu 1500kanal and in which a second Outlet opening opens via an intermediate channel in the thread withdrawal channel and is directed against the inlet opening.
- the air jet emerging from the annular opening blows over the outer contour of the spindle-shaped component as far as the fiber feed channel and cleans this area from the outside.
- another compressed air jet is blown through the inlet opening of the yarn withdrawal channel against the Faserzu Glasskanal via the second outlet opening of the cleaning channel from the inside, ie via the yarn withdrawal channel. Since the spindle-shaped component of an air jet spinning device is usually surrounded by an exhaust air duct, which is under vacuum even in the case of maintenance, the fiber components blown away by the blowing air flow are sucked off immediately.
- the first outlet opening is closed at not moved away from the Faserzu Swisskanal spindle-shaped component.
- the spindle-shaped component is again in its operating position, even then no air flow can be blown over its outer contour when the compressed air is still switched on.
- the compressed air supplied via the cleaning channel can nevertheless be introduced into the fiber extraction channel via the intermediate channel, as a result of which this compressed air can have a further function in addition to the preceding cleaning function, namely to suck in a thread end to be conveyed back to the drafting device by means of injection and feed it to the fiber feed channel.
- the connection to the compressed air source is therefore expediently only switched off from the cleaning channel when not only the cleaning process completed, but also the thread end is returned to the drafting for piecing.
- the first outlet opening of the cleaning channel designed as an annular opening can be closed in a very simple manner when the spindle-shaped component is in an operating position.
- the spindle-shaped member advantageously has a smaller outer diameter portion which releases the annular hole at the spindle-shaped member moved away from the fiber feed channel, and a larger outer diameter portion which closes the cleaning hole with a seal gap when the spindle-shaped member is not moved away from the fiber feed channel. In this way, a compressed air valve can be saved
- FIG. 1 shows a greatly enlarged view of an air jet spinning device according to the invention in axial section during operation
- FIG. 2 shows the same air jet spinning device in the same view in the inoperative state.
- the air jet spinning device 1 shown in FIG. 1 is used to produce a spun yarn 2 from a staple fiber strand 3.
- the air jet spinning device 1 is preceded by a drafting device 4.
- the staple fiber staple 3 is fed in drafting 4 in the direction of delay A and withdrawn as ersponnner thread 2 in the withdrawal direction B and forwarded to a winding device, not shown.
- the drafting unit 4 which is only partially shown, is preferably a three-cylinder drafting system and thus contains a total of three roller pairs, each of which has a driven lower roller and an upper roller designed as a pressure roller. Shown is only the delay zone of the drafting 4 limiting delivery roller pair 5.6. In such a drafting unit 4, the staple fiber strand 3 is warped in a known manner to a desired fineness. Following the drafting system 4 then there is a thin fiber ribbon 7, which is stretched and still untwisted.
- the air jet spinning device 1 is fed to the fiber ribbon 7 via a fiber feed channel 8. It follows a so-called vortex chamber 9, in which the fiber ribbon 7, the spinning rotation is granted, so that the spun yarn 2, which is withdrawn through a yarn withdrawal channel 10, is formed.
- a fluid device generates during the spinning process in the vortex chamber 9 by blowing compressed air through tangentially into the vortex chamber 9 opening compressed air nozzles 11 a vortex flow.
- the emerging from the nozzle openings compressed air is discharged through an exhaust duct 12, wherein this has an annular cross-section about a spindle-shaped, stationary in operation member 13 around which contains the thread withdrawal channel 10.
- an edge of a fiber guide surface 14 is arranged as a swirl barrier, which is arranged slightly eccentrically to the yarn withdrawal channel 10 in the region of its inlet opening 15.
- the fibers to be spun on the one hand held in ⁇ fiber ribbons 7 and as guided by the fiber feed channel 8 are substantially without rotation issuing into the yarn withdrawal channel 10, on the other hand, the fibers in the area between the fiber feed channel 8 and the yarn withdrawal channel are exposed to 10 the effect of the vortex flow , Through this, the fibers or at least their end portions are radially expelled from the inlet opening 15 of the thread withdrawal channel 10.
- the filaments 2 produced by the described air jet spinning device 1 thereby exhibit a core of fibers or fiber strands running essentially in the yarn longitudinal direction without significant rotation and an outer region in which the fibers or fiber regions are rotated around the core.
- An air jet spinning device 1 of this type allows very high spinning speeds, which is on the order of 300 to 600 meters per minute.
- the compressed air emerging from the compressed air nozzles 11 in the vortex chamber 9 compressed air is fed to the air jet spinning device 1 during operation via a compressed air channel 16 in the feed direction C. From the compressed air channel 16, the compressed air first passes into a vortex chamber 9 surrounding annular channel 17, to which said compressed-air nozzles 11 are directly connected.
- a very small distance X 1 which is for example 0.5 mm.
- This small distance Xi is produced by the spindle-shaped component 13 containing the thread withdrawal channel 10 being displaceably arranged in the axial direction.
- the distance x can be fixed in the operating state by a spring 18.
- the spindle-shaped member 13 includes a piston-like member 19, whose operation will be described below.
- the overpressure supplying the vortex chamber 9 is first turned off, see the crossed-over arrow C in Figure 2. At the same time all drives of the drafting system 4 and the unwinding rollers and the winding device are switched off. In addition, the top roller 6 of the pair of delivery rollers 5, 6 is lifted off the bottom roller 5.
- the spindle-shaped member 13 includes a piston-like member 19, the movement of the spindle-shaped member 13 away from the fiber feeding channel 8 can be performed with very simple means.
- a spindle-shaped member 13 surrounding annular channel 20 is provided, which is connected to a supply line 21 for compressed air.
- This compressed air see the arrow D in Figure 2 and the crossed-through arrow in Figure 1, is supplied only when the spinning process is interrupted.
- the then entering the annular channel 20 compressed air moves the piston-like member 19 in the view shown in Figure 2 upwards, so that the annular channel 20 widens due to the piston stroke to an enlarged annular chamber 22.
- the fixed to the spindle-shaped member 13 attached piston-like member 19 thus limits the annular channel 20 during operation and the enlarged annular chamber 22 at an interruption of the spinning process.
- the compressed air of the adjusting device thus formed acts against the spring 18, which presses the piston-like member 19 in a secured operating position with the compressed air, ie during the spinning process, during the spinning process. Moving the spindle-shaped component 13 from the fiber feed channel 8 thus serves the compressed air fed in via the feed line 21, while the return movement is counteracted by the spring 18.
- the very small distance X 1 in operation is then increased by moving away the spindle-like member 13 to a distance x 2 , which makes it possible to clean the space between the fiber guide surface 14 and the inlet opening 15 of the yarn withdrawal channel 10 in a manner to be described.
- a cleaning channel 23 is provided to which compressed air can be supplied if required in accordance with the feed direction E.
- This cleaning channel 23 is directed with a plurality of outlet openings in a manner to be described against the spindle-shaped member 13.
- the cleaning channel 23 first opens into an annular channel 24 surrounding the spindle-shaped component 13. More or less directly two outlet openings 25 and 26 emanate from this.
- a first outlet opening 25 is formed as the spindle-shaped member 13 surrounding annular opening, which is closed in the operating position shown in FIG.
- the second outlet opening 26 opens via an intermediate channel 27 in the thread withdrawal channel 10 and is directed against the inlet opening 15.
- the outer contour of the spindle-shaped component 13 can be cleaned as far as the inlet opening 15 of the thread withdrawal channel 10.
- About the second outlet opening 26 of the thread withdrawal channel 10 is cleaned from the inside out.
- the first outlet opening 25 is closed at spindle-shaped component 13 which is not moved away from the fiber feed channel 8.
- the spindle-shaped component 13 has a region 28 with a smaller outer diameter and a region 29 with a cylindrical larger outer diameter.
- compressed air can be supplied to the air jet spinning device 1 at three different points, namely once via the compressed air duct 16, once again via the supply line 21 and a third time via the cleaning duct 23.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/662,224 US20080190089A1 (en) | 2004-09-09 | 2005-09-07 | Airjet Spinning Arrangement |
JP2007530639A JP2008512576A (ja) | 2004-09-09 | 2005-09-07 | エアジェット紡績装置 |
EP05783913A EP1786961A1 (de) | 2004-09-09 | 2005-09-07 | Luftdüsenspinnvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004044345A DE102004044345A1 (de) | 2004-09-09 | 2004-09-09 | Luftdüsenspinnvorrichtung |
DE102004044345.9 | 2004-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006027216A1 true WO2006027216A1 (de) | 2006-03-16 |
Family
ID=35355407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/009577 WO2006027216A1 (de) | 2004-09-09 | 2005-09-07 | Luftdüsenspinnvorrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080190089A1 (de) |
EP (1) | EP1786961A1 (de) |
JP (1) | JP2008512576A (de) |
CN (1) | CN101014732A (de) |
DE (1) | DE102004044345A1 (de) |
WO (1) | WO2006027216A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007284861A (ja) * | 2006-04-13 | 2007-11-01 | Mas Fab Rieter Ag | 注入通路を持つエアジェット紡績装置のためのスピンドル形状要素 |
US7681390B2 (en) * | 2004-08-20 | 2010-03-23 | Maschinenfabrik Rieter Ag | Spindle with injector duct and piecing method for an airjet spinning machine |
CN105239224A (zh) * | 2011-06-20 | 2016-01-13 | 村田机械株式会社 | 中空导向轴体单元 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005045703A1 (de) * | 2005-09-19 | 2007-03-22 | Wilhelm Stahlecker Gmbh | Luftdüsenaggregat für eine Luftdüsenspinnvorrichtung |
CN101280478B (zh) * | 2008-05-21 | 2010-06-09 | 东华大学 | 喷气涡流纺纱装置 |
CN101294319B (zh) * | 2008-05-26 | 2010-06-02 | 东华大学 | 低落纤的喷气涡流纺装置 |
DE102008050874A1 (de) | 2008-09-29 | 2010-04-01 | Wilhelm Stahlecker Gmbh | Luftdüsenspinnaggregat mit spindelförmigem Bauteil |
DE102009034206A1 (de) * | 2009-07-17 | 2011-01-27 | Maschinenfabrik Rieter Ag | Bauteil für eine Luftdüsenspinnvorrichtung |
JP2011038210A (ja) * | 2009-08-11 | 2011-02-24 | Murata Machinery Ltd | 空気紡績装置及びこの空気紡績装置を備える紡績機 |
JP2011084854A (ja) * | 2009-09-18 | 2011-04-28 | Murata Machinery Ltd | 紡績機 |
JP2012102432A (ja) * | 2010-11-10 | 2012-05-31 | Murata Mach Ltd | 空気紡績装置、紡績ユニット及び空気紡績装置を用いた紡績方法 |
DE102011053837A1 (de) | 2011-09-21 | 2013-03-21 | Maschinenfabrik Rieter Ag | Spinnspitze für eine Hohlspindel einer Luftspinnmaschine |
DE102013101988A1 (de) * | 2013-02-28 | 2014-08-28 | Maschinenfabrik Rieter Ag | Spinnstelle zur Herstellung eines Garns |
JP2015101805A (ja) * | 2013-11-25 | 2015-06-04 | 村田機械株式会社 | 空気紡績装置及び紡績機 |
CH709466A1 (de) * | 2014-04-03 | 2015-10-15 | Rieter Ag Maschf | Spinnstelle einer Luftspinnmaschine sowie Verfahren zum Betrieb einer Luftspinnmaschine. |
CH709615A1 (de) * | 2014-05-13 | 2015-11-13 | Rieter Ag Maschf | Spinnstelle einer Luftspinnmaschine sowie Betrieb einer solchen. |
CH709953A1 (de) * | 2014-07-30 | 2016-02-15 | Rieter Ag Maschf | Verfahren zum Betrieb einer Luftspinnmaschine. |
ITUA20163006A1 (it) * | 2016-04-29 | 2017-10-29 | Savio Macch Tessili Spa | Dispositivo di filatura di tipo air-jet |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19501545A1 (de) * | 1994-01-25 | 1995-07-27 | Murata Machinery Ltd | Verfahren zum Andrehen von Garn in einer Spinnmaschine |
EP1207225A2 (de) * | 2000-11-16 | 2002-05-22 | Murata Kikai Kabushiki Kaisha | Spinnvorrichtung |
EP1217109A2 (de) * | 2000-12-22 | 2002-06-26 | Maschinenfabrik Rieter Ag | Spinnvorrichtung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10349651A1 (de) * | 2003-10-20 | 2005-05-19 | Wilhelm Stahlecker Gmbh | Luftdüsen-Spinnvorrichtung |
DE10353317B4 (de) * | 2003-11-10 | 2013-06-27 | Wilhelm Stahlecker Gmbh | Verfahren und Vorrichtung zum Wiederherstellen eines zuvor unterbrochenen Spinnvorganges |
DE102006018249A1 (de) * | 2006-04-13 | 2007-10-18 | Wilhelm Stahlecker Gmbh | Spindelförmiges Bauteil für eine Luftdüsenspinnvorrichtung mit einem Injektionskanal |
-
2004
- 2004-09-09 DE DE102004044345A patent/DE102004044345A1/de not_active Withdrawn
-
2005
- 2005-09-07 WO PCT/EP2005/009577 patent/WO2006027216A1/de active Application Filing
- 2005-09-07 JP JP2007530639A patent/JP2008512576A/ja active Pending
- 2005-09-07 US US11/662,224 patent/US20080190089A1/en not_active Abandoned
- 2005-09-07 EP EP05783913A patent/EP1786961A1/de active Pending
- 2005-09-07 CN CN200580030388.9A patent/CN101014732A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19501545A1 (de) * | 1994-01-25 | 1995-07-27 | Murata Machinery Ltd | Verfahren zum Andrehen von Garn in einer Spinnmaschine |
EP1207225A2 (de) * | 2000-11-16 | 2002-05-22 | Murata Kikai Kabushiki Kaisha | Spinnvorrichtung |
EP1217109A2 (de) * | 2000-12-22 | 2002-06-26 | Maschinenfabrik Rieter Ag | Spinnvorrichtung |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7681390B2 (en) * | 2004-08-20 | 2010-03-23 | Maschinenfabrik Rieter Ag | Spindle with injector duct and piecing method for an airjet spinning machine |
JP2007284861A (ja) * | 2006-04-13 | 2007-11-01 | Mas Fab Rieter Ag | 注入通路を持つエアジェット紡績装置のためのスピンドル形状要素 |
CN105239224A (zh) * | 2011-06-20 | 2016-01-13 | 村田机械株式会社 | 中空导向轴体单元 |
Also Published As
Publication number | Publication date |
---|---|
DE102004044345A1 (de) | 2006-03-16 |
US20080190089A1 (en) | 2008-08-14 |
EP1786961A1 (de) | 2007-05-23 |
CN101014732A (zh) | 2007-08-08 |
JP2008512576A (ja) | 2008-04-24 |
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