EP2069562A1 - Verfahren zum betreiben einer spinnvorrichtung - Google Patents
Verfahren zum betreiben einer spinnvorrichtungInfo
- Publication number
- EP2069562A1 EP2069562A1 EP07801687A EP07801687A EP2069562A1 EP 2069562 A1 EP2069562 A1 EP 2069562A1 EP 07801687 A EP07801687 A EP 07801687A EP 07801687 A EP07801687 A EP 07801687A EP 2069562 A1 EP2069562 A1 EP 2069562A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- spinning
- housing
- drive
- drive housing
- 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
- 238000009987 spinning Methods 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000007383 open-end spinning Methods 0.000 claims abstract description 11
- 230000001629 suppression Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 7
- 239000002657 fibrous material Substances 0.000 description 7
- 238000011109 contamination Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007789 sealing 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
- D01H4/12—Rotor bearings; Arrangements for driving or stopping
- D01H4/14—Rotor driven by an electric motor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H11/00—Arrangements for confining or removing dust, fly or the like
- D01H11/005—Arrangements for confining or removing dust, fly or the like with blowing and/or suction devices
Definitions
- the invention relates to a method for operating a spinning device according to the preamble of claim 1 and to a spinning device according to the preamble of claim 5.
- the object of the present invention is to provide a method for operating a spinning device, which reduces the contamination of the drive, as well as to propose a spinning device which prevents penetration of dust or fiber material when opening the rotor housing, bypassing the disadvantages known from the prior art.
- a pressure equalization in the drive housing is performed at least to the ambient pressure before opening the rotor housing. This ensures that with the opening of the rotor housing at least in the drive housing already a at least to the ambient pressure equalized pressure prevails.
- the entry of dust or fiber material in the drive housing and the contamination of the drive and the magnetic bearing assembly by deposits when opening the rotor housing, for example, between the bearing air gaps of the magnetic bearing assembly can thus be prevented.
- the pressure in the drive housing before the opening of the rotor housing can also be increased beyond the ambient pressure to blow out dust or fiber material when opening.
- the spinning station can initiate the process of pressure equalization in the drive housing.
- the automatic cleaning of the spinning rotor cup takes place, for which purpose the rotor housing is opened.
- the process of pressure equalization in the drive housing can be initiated by a service unit that can be moved along the spinning frame. Occurs at a spinning station on an interruption of the spinning process, which is due, for example, that a cheese was wound with the desired thread length and this is to replace it with an empty tube, so the service unit is requested. During the replacement process, the service unit opens the rotor housing, for example to clean the rotor cup. To ensure the pressure equalization in the drive housing beforehand, this process is initiated in advance by the service unit. In this way it is ensured that contamination of the drive and the magnetic bearing is largely excluded.
- an interruption of the spinning process by yarn breakage at a spinning station causes the service unit is called to the affected spinning station to perform the piecing process.
- the spinning unit can already cause the pressure equalization in the detection of the interruption of the spinning process.
- a locking mechanism actuated on the rotor housing and thereby the process of pressure equalization in the drive housing to be initiated in advance. Leads an interruption of the spinning process at the spinning station to the requirement of manual intervention by the operator, in which the rotor housing must be opened manually, the initiation of the pressure equalization to the ambient pressure in advance, the pollution of the drive is also prevented.
- the locking mechanism can be designed such that its operation leads to a short time delay for opening the rotor housing. This time is used for pressure equalization in the drive housing.
- the drive housing of the spinning device is provided with at least one air inlet, via the prior to opening the rotor housing compressed air for pressure equalization can be fed at least to the ambient pressure.
- a compressed air supply line can be connected, which is supplied by a compressed air source.
- the compressed air source can be used to supply all spinning devices of the spinning stations of the OE rotor spinning machine with compressed air.
- the service unit can be provided with its own compressed air source.
- the drive housing can have an additional storage volume, which can be filled with compressed air via the air inlet. This ensures that in the drive housing sufficient compressed air is present to the opening of the rotor housing the pressure equalization taking place by the To counteract the outside of the rotor housing air flowing in such a way that behind the rotor cup deposited dust and fiber material is blown out by the pending in the drive housing compressed air.
- the spinning station may have a control device which controls a compressed air supply in such a way that, prior to opening the rotor housing, pressure equalization in the drive housing takes place at least to the ambient pressure.
- control device can be set up such that it controls a spinning station in such a way that the pressure equalization takes place before the rotor housing is opened.
- control device can control the service unit in such a way that the pressure equalization takes place before opening the rotor housing in the drive housing. In this way it is ensured that is ensured in the most common cases of opening the rotor housing, that previously the pressure equalization is performed.
- control device may be connected to a sensor arranged on a locking mechanism of the rotor housing for detecting the actuation of the locking mechanism. With the operation of the locking mechanism 1 , a signal is sent from the sensor to the control device, which activates the process of pressure adjustment. Thus, even in the event that the rotor housing is opened by operating personnel, it is ensured that the pressure equalization is carried out before opening in order to avoid contamination of the rotor drive.
- the job can be connected to a compressed air supply, which can be controlled via the control device.
- the requirement of the compressed air by the control device can be done depending on demand and application.
- Figure 1 is a schematic view of a spinning station of an OE rotor spinning machine with maintenance device.
- Fig. 2 is a sectional view of the front part of a rotor housing surrounding a spinning rotor.
- FIG. 1 shows a schematic view of a spinning station 1 of an OE rotor spinning machine.
- the OE rotor spinning machine has at least one service unit 2 that can be moved along the spinning frame, which, inter alia, serves to clean a rotor spinning device 3 or to replace cross bobbins produced at the spinning station 1 with empty tubes.
- the service unit 2 is connected via a communication device 5 to a control device 4, which serves to control the spinning process at the spinning station 1.
- the communication device 5 can be both a wireless and a wired bidirectional connection.
- the rotor spinning device 3 comprises, as shown in Figure 2, a spinning rotor 16, the spinning cup 10 rotates at high speed in a rotor housing 9.
- the drive of the spinning rotor 16 is effected by an electric single drive.
- the spinning rotor 16 is both radially and axially in one with its designed as a rotor 11 of the single drive rotor shaft magnetic storage without contact.
- the rotor housing 9 is closed during the spinning process by a pivotally mounted cover element 14.
- the lid member 14 and the rotor housing 9 have for opening and closing a locking device which can be actuated both by the service unit 2 and the operating personnel.
- FIG. 2 shows a sectional view of the rotor housing 9, which is part of the spinning device 3.
- the single-motor driven spinning rotor 16 comprises a rotor cup 10, which is arranged on a designed as a rotor 2 of the single-motor drive 2 rotor shaft.
- the rotor 2 is mounted radially and axially contactless in a magnetic bearing assembly 2. Further details of a non-contact spinning rotor bearing can be found, for example, in DE 198 19 767 A1 or EP 0 972 868 A2 mentioned in the introduction.
- a drive housing 15 connects, which is connected to the rotor housing 9.
- the drive housing 15 surrounds the magnetic bearing assembly and the rotor 11, which extends through an opening in the interior of the rotor housing 9 to receive the rotor cup 10.
- the pressure equalization between the rotor housing 9 and the drive housing 15 takes place via this annular gap 17 when the negative pressure required for the spinning process is built up in the spinning device 3.
- the drive housing 15 is provided with at least one radially outwardly extending air inlet 12, which opens into a substantially annular storage volume 13.
- the air inlet 12 is connected via a supply line 7 with a compressed air Source 6 connected.
- the compressed air source 6 is in turn connected to the control device 4 in connection and can be controlled via this.
- a negative pressure which is generated by a negative pressure source of the OE rotor spinning machine. This prevails, as already stated, due to the annular gap also in the drive housing 15 and is maintained during the spinning process by the vacuum source.
- deposits of dust and fiber material behind the rotor cup 10 occur in the region of the section of the rotor shaft 11 which lies in the rotor housing 9 due to deviating flow conditions.
- An interruption of the spinning process causes the service unit 2 is ordered by the controller 4 to the affected spinning station 1.
- a procedure for cleaning the spinning device 3 can be started by the service unit 2, inter alia.
- the vacuum generation is first interrupted, if this has not already been done, and then the lid member 14 is opened by the service unit 2.
- the incoming air causes a pressure equalization in the interior of the rotor housing 9 and the drive housing 15, which has the suction of the dust and the fiber material into the interior of the drive housing 15 result.
- a pressure equalization in the drive housing 15 is performed at least to the ambient pressure.
- the control unit 4 is informed by the service unit 2 about the impending opening process to initiate the pressure equalization in advance to be able to.
- the control device 4 there is sufficient time for the control device 4, the compressed air source 6 to control such that a pressure equalization can take place in advance to the ambient pressure inside the drive housing 15 in advance. Due to the small volume of the drive housing 15, this process is completed within a short time, which is in the range of a few tenths of a second or less.
- the spinning station 1 can also initiate the execution of the pressure adjustment in advance by the control device 4 when an interruption of the spinning process occurs.
- the pollution of the drive housing 15 can be avoided by a sensor to be operated by the operator locking a sensor 8 is assigned on actuation of the locking mechanism in turn sends a pulse to the control device 4, whereby the pressure equalization in the drive housing 15 is initiated.
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 |
---|---|---|---|
DE102006045589A DE102006045589A1 (de) | 2006-09-27 | 2006-09-27 | Verfahren zum Betreiben einer Spinnvorrichtung |
PCT/EP2007/007230 WO2008037325A1 (de) | 2006-09-27 | 2007-08-16 | Verfahren zum betreiben einer spinnvorrichtung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2069562A1 true EP2069562A1 (de) | 2009-06-17 |
EP2069562B1 EP2069562B1 (de) | 2014-03-12 |
EP2069562B2 EP2069562B2 (de) | 2024-05-15 |
Family
ID=38690548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07801687.0A Active EP2069562B2 (de) | 2006-09-27 | 2007-08-16 | Verfahren zum betreiben einer spinnvorrichtung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2069562B2 (de) |
CN (1) | CN101512054B (de) |
DE (1) | DE102006045589A1 (de) |
WO (1) | WO2008037325A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014108526A1 (de) | 2014-06-17 | 2015-12-17 | Maschinenfabrik Rieter Ag | Offenendspinnvorrichtung mit einer Zwischenkammer |
DE102015121963A1 (de) | 2015-12-16 | 2017-06-22 | Rieter Ingolstadt Gmbh | Offenendspinnvorrichtung mit einer Luftzuführung |
DE102018103876A1 (de) | 2018-02-21 | 2019-08-22 | Maschinenfabrik Rieter Ag | Verfahren zum Betreiben einer Spinnvorrichtung einer Rotorspinnmaschine und Spinnvorrichtung einer Rotorspinnmaschine |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012005390A1 (de) * | 2012-03-16 | 2013-09-19 | Oerlikon Textile Gmbh & Co. Kg | Spinnvorrichtung |
DE102012015420A1 (de) * | 2012-08-02 | 2014-02-06 | Saurer Germany Gmbh & Co. Kg | Verfahren zum Betreiben einer Spinnvorrichtung, Rotorspinnmaschine aufweisend eine Spinnvorrichtung und Spinnvorrichtung |
DE102017123279A1 (de) * | 2017-10-06 | 2019-04-11 | Maschinenfabrik Rieter Ag | Rotorspinnmaschine mit wenigstens einer Luftleitung zum Zuführen von Umgebungsluft in ein Lagergehäuse sowie Spinnvorrichtung einer Rotorspinnmaschine |
CN108642616B (zh) * | 2018-05-22 | 2021-03-26 | 卓郎(江苏)纺织机械有限公司 | 具有纺纱器打开状态检测装置的转杯纺纱机 |
CZ2019385A3 (cs) * | 2019-06-18 | 2020-12-30 | Rieter Cz S.R.O. | Uložení spřádacího rotoru rotorového dopřádacího stroje a krytka s trnem pro uzavření otvoru pro domazávání dvouřadého kuličkového ložiska spřádacího rotoru |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH512597A (de) * | 1970-06-19 | 1971-09-15 | Rieter Ag Maschf | Offenend-Spinnvorrichtung mit einem eine Fasersammelfläche aufweisenden Rotor |
US3918248A (en) * | 1973-01-27 | 1975-11-11 | Toyoda Automatic Loom Works | Mechanism for driving a spinning rotor of the open-end spinning apparatus |
CS169114B1 (de) † | 1973-10-24 | 1976-07-29 | ||
CS187697B1 (en) † | 1976-07-06 | 1979-02-28 | Milan Chrtek | Method of and apparatus for cooling spinning units of open-end spinning machines |
CH622292A5 (de) † | 1977-09-15 | 1981-03-31 | Bbc Brown Boveri & Cie | |
CH622293A5 (en) * | 1977-09-15 | 1981-03-31 | Bbc Brown Boveri & Cie | Electric motor with a spinning rotor fastened to a shaft end for open-end spinning machines |
DE3726531C1 (de) * | 1987-08-10 | 1988-12-08 | Schubert & Salzer Maschinen | Offenend-Spinnvorrichtung und Verfahren zum Anfahren einer solchen Vorrichtung |
DE19827606A1 (de) * | 1998-06-20 | 1999-12-23 | Schlafhorst & Co W | Lageranordnung für eine Offenend-Spinnvorrichtung |
US7369269B2 (en) * | 2000-11-29 | 2008-05-06 | Hewlett-Packard Development Company, L.P. | Print toner density mode/print media default link |
DE102004005846A1 (de) * | 2004-02-06 | 2005-08-25 | Saurer Gmbh & Co. Kg | Rotorschaft eines Spinnrotors |
DE102004029020A1 (de) * | 2004-06-16 | 2005-12-29 | Saurer Gmbh & Co. Kg | Verfahren und Vorrichtung zum Betreiben einer Offenend-Rotorspinnvorrichtung |
-
2006
- 2006-09-27 DE DE102006045589A patent/DE102006045589A1/de not_active Withdrawn
-
2007
- 2007-08-16 WO PCT/EP2007/007230 patent/WO2008037325A1/de active Application Filing
- 2007-08-16 EP EP07801687.0A patent/EP2069562B2/de active Active
- 2007-08-16 CN CN2007800334636A patent/CN101512054B/zh active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2008037325A1 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014108526A1 (de) | 2014-06-17 | 2015-12-17 | Maschinenfabrik Rieter Ag | Offenendspinnvorrichtung mit einer Zwischenkammer |
EP2957662A1 (de) | 2014-06-17 | 2015-12-23 | Maschinenfabrik Rieter Ag | Offenendspinnvorrichtung mit einer zwischenkammer |
DE102015121963A1 (de) | 2015-12-16 | 2017-06-22 | Rieter Ingolstadt Gmbh | Offenendspinnvorrichtung mit einer Luftzuführung |
EP3184678A1 (de) | 2015-12-16 | 2017-06-28 | Rieter Ingolstadt GmbH | Offenendspinnvorrichtung mit einer luftzuführung |
DE102018103876A1 (de) | 2018-02-21 | 2019-08-22 | Maschinenfabrik Rieter Ag | Verfahren zum Betreiben einer Spinnvorrichtung einer Rotorspinnmaschine und Spinnvorrichtung einer Rotorspinnmaschine |
Also Published As
Publication number | Publication date |
---|---|
CN101512054B (zh) | 2011-01-19 |
EP2069562B1 (de) | 2014-03-12 |
DE102006045589A1 (de) | 2008-04-03 |
WO2008037325A1 (de) | 2008-04-03 |
CN101512054A (zh) | 2009-08-19 |
EP2069562B2 (de) | 2024-05-15 |
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