EP1660708A1 - Kanalplatte für eine offenend-rotorspinnvorrichtung - Google Patents
Kanalplatte für eine offenend-rotorspinnvorrichtungInfo
- Publication number
- EP1660708A1 EP1660708A1 EP04739736A EP04739736A EP1660708A1 EP 1660708 A1 EP1660708 A1 EP 1660708A1 EP 04739736 A EP04739736 A EP 04739736A EP 04739736 A EP04739736 A EP 04739736A EP 1660708 A1 EP1660708 A1 EP 1660708A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- spinning
- channel plate
- channel
- outlet opening
- 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.)
- Granted
Links
- 238000007383 open-end spinning Methods 0.000 title claims abstract description 15
- 238000009987 spinning Methods 0.000 claims abstract description 48
- 230000007704 transition Effects 0.000 claims abstract 4
- 239000000835 fiber Substances 0.000 claims description 37
- 238000000926 separation method Methods 0.000 abstract 2
- 238000007789 sealing Methods 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000012549 training 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
- D01H4/04—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 contact of fibres with a running surface
- D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
-
- 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
- D01H4/38—Channels for feeding fibres to the yarn forming region
Definitions
- the invention relates to a channel plate for an open-end rotor spinning device according to the preamble of claim 1.
- Open-end rotor spinning devices with a rotor housing which is open towards the front and which is closed by a so-called channel plate during spinning operation are described in detail in the prior art and in numerous applications for industrial property rights.
- both channel plates are known, which are integrated directly into a pivotably mounted cover element of the open-end rotor spinning device, and also channel plates, which can be screwed into the cover element.
- channel plates are known which have a central bearing receptacle in which a channel plate adapter can be fixed in an easily replaceable manner.
- Modern open-end spinning devices have, for example, a fiber channel plate integrated in the cover element, which closes the rotor housing that can be subjected to vacuum with a lip seal during the spinning process.
- the cover element which covers the entire front of the open-end rotor spinning device, there is also a feed roller and an opening roller for the fiber sliver.
- the duct plate adapter essentially consists of an insert body, the contact surface of which is precisely matched to the shape and size of the central bearing seat in the fiber duct plate, and a duct plate tower which projects into the spinning rotor when the spinning device is closed. On the back of the insert body there is a locking lug with a central bore in which a thread take-off tube is positioned.
- a channel plate adapter can be defined in the bearing receptacle of the fiber channel plate via the locking projection and a corresponding locking element, for example a bar spring, and a centering pin.
- the central hole in the insert body of the channel plate adapter also penetrates the channel plate tower, on the end face of which a thread take-off nozzle is fixed, which is inserted into the central hole of the channel plate adapter.
- Such channel plate adapters are preferably matched to a specific rotor shape and / or rotor size, so that an accurate sliver feed and an optimal thread take-off can be ensured under all production conditions. This means that when changing the lot, which also requires a spinning rotor change, the duct plate adapter is usually also replaced.
- the duct plate adapters described above have been in use for a long time and have been used by almost everyone Fiber materials and almost all thread sizes have been excellently proven.
- the arrangement of the exit opening of the fiber guide channel at most only half in a cylindrical region of the lateral surface of the channel plate tower has the advantage that, in particular, by such a modification of the channel plate tower by reducing the distance of the wall area of the outlet opening of the fiber guide channel adjacent to the end face of the channel plate tower to the central longitudinal axis of the channel plate, the opening angle between the fiber sliding surface of the spinning rotor and the front area of the lateral surface of the channel plate tower is increased.
- Feeding of the fibers delivered via the fiber guide channel onto the fiber slide surface of the spinning rotor is positive.
- Embodiment provided that the channel plate is formed in two parts.
- the channel plate has a central bearing receptacle in which a channel plate adapter can be exchangeably fixed.
- the channel plate adapter consists of an insert body, which is matched in shape and size to the bearing holder of the channel plate, and a channel plate tower, which is designed as already explained above.
- Channel plate adapters that have the modification according to the invention have the highest thread take-off speeds at high speeds
- Yarn quality can be realized.
- the advantages of the invention are particularly evident in the case of relatively small spinning rotors. This means that the invention has proven to be particularly advantageous if the diameter of the rotor groove arranged in the rotor cup of the spinning rotor is less than 30 mm.
- FIG. 1 is a side view of an open-end spinning device with a channel plate arranged in a cover element, in which a channel plate adapter is interchangeably arranged in a central bearing receptacle,
- FIG. 2 shows a side view on a larger scale of a channel plate with a channel plate tower modified according to the invention
- FIG. 3 shows a side view on a larger scale of a channel plate, in which a channel plate adapter is interchangeably arranged in a central bearing receptacle and has a channel plate tower modified according to the invention
- FIG. 4 shows a side view of a channel plate adapter according to the prior art, the exit opening of a fiber guide channel being shown in a top view
- 5 shows a side view of a duct plate adapter modified according to the invention, with the outlet opening of a fiber guide duct in a plan view
- Fig. 7 is a front view of a channel plate adapter according to the present invention.
- Such spinning devices have a rotor housing 2 in which the spinning cup 26 of a spinning rotor 3 rotates at high speed.
- the spinning rotor 3 is supported with its rotor shaft 4 in the bearing gusset of a support disk bearing 5, which is preferably free of axial thrust.
- the spinning rotor 3 is driven by a machine-long tangential belt 6, which is pressed against the rotor shaft 4 by a pressure roller 7.
- the axial positioning of the rotor shaft 4 in the bearing gusset of the support disk bearing 5 is preferably carried out via a permanent magnetic axial bearing 18.
- the rotor housing 2 which is open towards the front, is closed during the spinning operation by a pivotably mounted cover element 8.
- the cover element 8 has a channel plate 27 with a seal 9.
- the rotor housing 2 is also connected via a suction line 10 to a vacuum source 11, which generates the spinning vacuum required in the rotor housing 2.
- a channel plate adapter 12 is interchangeably arranged in a central bearing receptacle 34 of the channel plate 27, which, as shown for example in FIG.
- the outlet opening 31 of a fiber guide channel 14 is arranged in the lateral surface of the channel plate tower 30, which has a cylindrical region 50 and a concavely curved region 60.
- a cylindrical area is understood to mean a lateral surface section which has parallel lateral lines.
- an opening roller housing 17 is fixed on the cover element 8, which is rotatably supported to a limited extent about a pivot axis 16, or is integrated into the cover element.
- the cover element 8 furthermore has rear bearing brackets 19, 20 for mounting an opening roller 21 or a sliver feed cylinder 22.
- the opening roller 21 is driven in the area of its host ice 23 by a circumferential, machine-long tangential belt 24, while the (not shown) drive of the sliver feed cylinder 22 is preferably carried out via a worm gear arrangement which is connected to a machine-long drive shaft 25.
- FIG. 2 shows, on a larger scale, a channel plate 27 for closing the rotor housing 2 of an open-end spinning device 1.
- the channel plate 27 has a channel plate tower 30 modified according to the invention, which when closed
- Rotor housing 2 is positioned within the rotor cup 26 of a spinning rotor 3.
- the channel plate tower 30 faces in one
- Permanent magnetic pins 39 is non-positively lockable.
- Thread take-off tube 15 established.
- Sliver opening device connects pneumatically to the rotor housing.
- the outlet opening 31 of the fiber guide channel 14 lies in
- Spinning position that is, with the rotor housing 2 closed, opposite a fiber slide surface 40 of the spinning rotor 3 in such a way that the fibers emerging from the fiber guide channel 14 are fed onto the fiber slide surface 40 at a relatively acute angle.
- the diameter of the rotor groove 41 in the rotor cup 26 of the spinning rotor 3 is preferably less than 30 mm.
- the duct plate tower 30 is designed, in comparison with the duct plate adapters previously common, which are shown in FIGS Exit opening 31 is lowered relative to the wall region 33 behind the exit opening 31.
- FIGS. 4 and 6 show a channel plate adapter 12 with a known channel plate tower in side view and in plan view
- FIGS. 5 and 7 show a channel plate adapter 12 with a channel plate tower 30 modified according to the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10339875A DE10339875A1 (de) | 2003-08-29 | 2003-08-29 | Kanalplatte für eine Offenend-Rotorspinnvorrichtung |
PCT/EP2004/006228 WO2005031050A1 (de) | 2003-08-29 | 2004-06-09 | Kanalplatte für eine offenend-rotorspinnvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1660708A1 true EP1660708A1 (de) | 2006-05-31 |
EP1660708B1 EP1660708B1 (de) | 2010-08-25 |
Family
ID=34202209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04739736A Expired - Lifetime EP1660708B1 (de) | 2003-08-29 | 2004-06-09 | Kanalplatte für eine offenend-rotorspinnvorrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US7181901B2 (de) |
EP (1) | EP1660708B1 (de) |
CN (1) | CN100469959C (de) |
BR (1) | BRPI0413806B1 (de) |
DE (2) | DE10339875A1 (de) |
WO (1) | WO2005031050A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7749471B2 (en) * | 2004-11-30 | 2010-07-06 | Chevron U.S.A. Inc. | Reduction of oxides of nitrogen in a gas stream using boron-containing molecular sieve CHA |
DE102008050071A1 (de) * | 2008-10-01 | 2010-04-08 | Oerlikon Textile Gmbh & Co. Kg | Offenend-Rotorspinnvorrichtung |
DE102009012045A1 (de) * | 2009-03-06 | 2010-09-09 | Oerlikon Textile Gmbh & Co. Kg | Offenend-Rotorspinnvorrichtung |
CN102704062A (zh) * | 2012-06-21 | 2012-10-03 | 河北金纺机械制造有限公司 | 可生产低捻度蓬松纱的抽气式转杯纺纱机 |
CZ2012591A3 (cs) * | 2012-08-30 | 2014-03-12 | Rieter Cz S.R.O. | Spřádací ústrojí rotorového dopřádacího stroje |
DE102017118390A1 (de) * | 2017-08-11 | 2019-02-14 | Saurer Spinning Solutions Gmbh & Co. Kg | Offenend-Spinneinrichtung |
CN109355751B (zh) * | 2018-09-28 | 2020-07-10 | 绍兴文理学院 | 一种基于接触热辊的高强耐磨喷气涡流纺纱线的加工方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3636182C2 (de) * | 1986-10-24 | 1995-10-12 | Schlafhorst & Co W | Spinnaggregat einer OE-Rotorspinnmaschine |
DE3704460C2 (de) * | 1987-02-13 | 1993-11-18 | Fritz Stahlecker | Vorrichtung zum OE-Rotorspinnen |
JPH07122172B2 (ja) | 1987-07-31 | 1995-12-25 | 株式会社豊田中央研究所 | オ−プンエンド精紡機の紡糸ユニット |
WO1994001605A1 (de) | 1992-07-01 | 1994-01-20 | Rieter Ingolstadt Spinnereimaschinenbau Aktiengesellschaft | Verfahren und vorrichtung zum offenend-spinnen |
DE4334485A1 (de) | 1993-10-09 | 1995-04-13 | Schlafhorst & Co W | Offenend-Spinnvorrichtung |
US5749216A (en) * | 1997-03-14 | 1998-05-12 | Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh | Open end spinning apparatus |
DE19729192A1 (de) | 1997-07-09 | 1999-01-14 | Schlafhorst & Co W | Offenend-Spinnvorrichtung mit auswechselbarem Kanalplattenadapter |
DE10160067A1 (de) * | 2001-12-06 | 2003-06-18 | Schlafhorst & Co W | Verfahren und Vorrichtung zum Verspinnen textiler Stapelfasern mittels eines Spinnrotors |
-
2003
- 2003-08-29 DE DE10339875A patent/DE10339875A1/de not_active Withdrawn
-
2004
- 2004-06-09 US US10/567,994 patent/US7181901B2/en not_active Expired - Lifetime
- 2004-06-09 DE DE502004011586T patent/DE502004011586D1/de not_active Expired - Lifetime
- 2004-06-09 CN CNB2004800248514A patent/CN100469959C/zh not_active Expired - Lifetime
- 2004-06-09 EP EP04739736A patent/EP1660708B1/de not_active Expired - Lifetime
- 2004-06-09 BR BRPI0413806-6A patent/BRPI0413806B1/pt not_active IP Right Cessation
- 2004-06-09 WO PCT/EP2004/006228 patent/WO2005031050A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2005031050A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2005031050A1 (de) | 2005-04-07 |
US7181901B2 (en) | 2007-02-27 |
EP1660708B1 (de) | 2010-08-25 |
DE10339875A1 (de) | 2005-03-24 |
BRPI0413806A (pt) | 2006-10-17 |
US20060225401A1 (en) | 2006-10-12 |
CN1846021A (zh) | 2006-10-11 |
CN100469959C (zh) | 2009-03-18 |
BRPI0413806B1 (pt) | 2014-09-23 |
DE502004011586D1 (de) | 2010-10-07 |
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