EP1201800B1 - Drehantrieb für einen Spinnrotor während dessen Reinigung - Google Patents
Drehantrieb für einen Spinnrotor während dessen Reinigung Download PDFInfo
- Publication number
- EP1201800B1 EP1201800B1 EP01117634A EP01117634A EP1201800B1 EP 1201800 B1 EP1201800 B1 EP 1201800B1 EP 01117634 A EP01117634 A EP 01117634A EP 01117634 A EP01117634 A EP 01117634A EP 1201800 B1 EP1201800 B1 EP 1201800B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- rotary drive
- drive according
- entraining elements
- spinning
- 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.)
- Expired - Lifetime
Links
Images
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
- D01H4/22—Cleaning of running surfaces
- D01H4/24—Cleaning of running surfaces in rotor spinning
Definitions
- the invention relates to a rotary drive for a spinning rotor with the features of the preamble of the first claim.
- DE 26 29 161 C2 is a maintenance device for the Spinning units of an open-end rotor spinning machine described, where different cleaning tools, such as scrapers, Brushes or blow nozzles are used.
- This Cleaning tools are on a rotatable shaft attached for the cleaning process along the Rotor axis is moved until the cleaning tools The rotor opening passes and the level of the rotor groove is reached to have.
- the rotor opening has a smaller diameter than the rotor groove (largest rotor diameter) may have the cleaning tools when passing the rotor opening not the radial distance from the later required Have rotor axis. This has been remedied that the cleaning tools are attached to spring elements, the rotation of those carrying the cleaning tools Shaft by the centrifugal forces that occur be bent outside until the cleaning tools contact the rotor groove.
- the main disadvantage here is that the cleaning tools when hitting impurities both radially and be tangentially deflected until they are free from contamination come free. In doing so, they vibrate, causing the permanent contact for complete cleaning is prevented with the rotor groove. Besides, that's on this Limited force against impurities and does not lead to the desired cleaning result. In front but above all rotating cleaning elements tend to Lap formation. This would constrict them and could is no longer in the next cleaning process spread as necessary.
- DE 35 30 879 A1 describes one method and one Known device for cleaning the rotor, wherein a rotatable Blowing device is used, which with an otherwise also available in DE 26 29 161 C2 suction cup corresponds.
- a rotatable Blowing device is used, which with an otherwise also available in DE 26 29 161 C2 suction cup corresponds.
- Compressed air can only remove easily removable contaminants remove. Stubborn impurities, however, are only on mechanically detachable from the surface of the rotor groove.
- the disadvantage here is that when driving on the rotor Radial forces are exerted, depending on the training of the Radial bearings, for a different deflection of the rotor being able to lead. This is particularly critical when the rotor non-contact, for example by magnet and / or Gas storage, is stored. Added to this is that Maintenance unit and the rotor are not always completely identical are aligned with each other. Here can by Radial forces increase this deviation. The can, among other things, lead to the contact of the Cleaning tool with the rotor groove is not intensive or at least not evenly enough to make one to carry out perfect rotor cleaning.
- the invention is characterized by the features of claims 2 to 11 advantageously trained.
- the spinning rotor during the rotary drive for the Rotor cleaning not exposed to any radial force when the axes of the rotary drive and the spinning rotor are aligned.
- Possible minor adjustment errors are in the range of 1 mm and lead not yet to generate disturbing radial forces.
- the entrainment elements can be made in one closed ring or from several driving elements, the are arranged on an arc. critical is that the ring or arc is perpendicular to the Rotor axis are arranged around the required centering to ensure. In any case, the arrangement should be chosen that no resulting radial forces remain.
- the driving elements directly on the are advantageous electric rotor of the rotary drive attached, the is preferably designed as an external rotor motor.
- Driving elements made of are particularly suitable elastic material to also ensure that on the cleaning tools arranged exactly the same feed element can be positioned so that they are on the rotor groove to meet.
- the takeaway elements consist of so-called Rubber magnets, is not a contact pressure on the feed of the Rotor drive unit necessary if the ferromagnetic Spinning rotor by magnetic force with the driving elements is coupled.
- Positioning device To the driving elements and the cleaning tools with the Bringing rotor into contact is one Positioning device required that the entire Cleaning device moves axially to the spinning rotor. This Positioning device should have a control device which enables exact positioning.
- Cleaning tool relative to the rotary drive axially is displaceable so that contact pressure of the driving elements and Immersion depth of the cleaning tool in the rotor opening can be controlled separately.
- the spinning rotor is additionally during its Drive for cleaning the rotor from an axial Force component freed because the axial contact pressure is not is necessary if the spinning rotor between the Driving elements is clamped.
- Figure 1 is a spinning rotor 1 with associated Rotor drive unit 4 shown, the spinning rotor 1 has a rotor shaft 1 ', the storage of the Spinning rotor is used.
- Such storage can be a known support disc bearing, a magnetic bearing or a Act air bearings.
- the rotor drive unit 4 is advantageous on a movable along a rotor spinning machine Maintenance facility arranged.
- a double arrow 6 ' indicates that the entire Rotor drive unit 4 displaceable along the rotor axis is arranged.
- This double arrow 6 ' also symbolizes at the same time a positioning device, which by means of a an exact control device, also not shown Positioning of the rotor drive unit 4 enables.
- a shifting device for example a stepper motor, which is on a threaded spindle or acts on a rack via a worm gear.
- the drive housing of the rotor drive unit 4 referred to which carries the stator 11 with stator winding 12.
- the stator 11 or the stator winding 12 corresponds to a rotor magnet arrangement 10 which is based on an electric rotor 9 of the total as an external rotor motor trained rotor drive unit 4 is attached.
- the Electric rotor 9 is on bearing 13 on a central part of the Drive housing 5 mounted.
- Rotor 9 On the part of the electrical facing the spinning rotor 1 Rotor 9 is a cup-shaped holder 8 attached, the one annular elastic driving element 7 carries.
- a cleaning element in the form of a scraper 14 is around one Scraper axis 15 swiveling.
- the swivel drive is by means of a stepper motor 16 causes.
- This stepper motor 16 must be the feed movement of the entire rotor drive unit 4 be coordinated in the present example so that the Scraper 14 first pass through rotor opening 3 without any problems can, but is then swung outward quickly enough to close the rotor groove 2 as far as possible without touching the rotor base to reach.
- the scraper axis 15 within of the drive housing 5 is axially displaceable to the Adjustment of the scraper 14 regardless of the position of the To make rotor drive unit 4.
- the stepping motor 16 could additionally advance movement can be used when, for example, with a snail in engage a toothing within the drive housing 5 would. He would then himself and the scraper axis 15 with Move scraper 14 axially.
- any other linear drives possible are also any other linear drives possible.
- FIG. 2 shows the ring-shaped holder 8 in Sectional view.
- the variant of the invention shown in FIGS. 3 and 4 differs from the first variant in that the spinning rotor 1 is not provided with a rotor shaft, but is coupled with an electric rotor 1 ′′, which is part of a magnetic / gas bearing is, as is known for example from DE 42 07 673 C1. With such a bearing, it is particularly important that no greater radial forces occur when driving the spinning rotor during the cleaning process, since the magnetic centering of the electric rotor 1 ′′ only withstands limited radial forces. Furthermore, the pot-shaped holder 8 according to the first exemplary embodiment is replaced here by four holders 18 'to 18'''''which are evenly divided on a circular arc.
- FIGS Another variant of the invention is shown in FIGS shown, in which the driving elements 19 'to 19' '' ' pivotable holders 20 'to 20' '' 'are arranged.
- the Brackets 20 'to 20' '''are about pivot axes 22' to 22 '' '' can be pivoted by means of solenoids 23 'to 23' '' '.
- solenoids 23 'to 23' '' 'become push rods 24' to 24 '' '' actuated. These push rods engage in elongated holes 21 'to 21 ''''' in the holders 20 'to 20' '' '.
- the eccentric 28 is shown in FIGS. 7 and 8 each out of engagement with the holders 20 'to 20' '' ' or the reinforcements 27 'to 27' '' '. Thereby are the driving elements 19 'to 19' '' 'on the rotor 1.
- the Eccentric disc 28 can by means of an electromagnet 32, the is fixed on the electric rotor 9, clockwise be pivoted. This pivoting clockwise causes the sections of the eccentric 28 with larger radius in contact with the holders 20 'to 20' '' ' occur and, as described, a lifting of the driving elements 19 'to 19' ''' 'from spinning rotor 1. There is a pestle for this 32 'of the electromagnet 32 to one on the eccentric disk 28 attached pin 33 articulated.
- an adjusting screw 34 is the basic position of the plunger 32 ′ in the electromagnet 32 adjustable. In this way, the pivoting path of the holder 20 'to 20' '' 'can be adjusted. So it can also be achieved that the eccentric disc 28 is still in during the drive Contact with the holders 20 'to 20' '' 'remains, which does not the full force of the springs 29 'to 29' '' 'on the holder 20' up to 20 '' ''.
- a tension spring 35 is also attached to the pin 33, the other end on another pin 36 is attached. This pin 36 is in turn on the electric rotor 9 attached. The tension spring 35 pulls the Tappet 32 'after switching off the electromagnet 32 in the position shown in Figures 7 and 8.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Description
- Fig. 1 eine Schnittdarstellung durch einen erfindungsgemäßen Drehantrieb für einen Spinnrotor während dessen Reinigung,
- Fig. 2 einen Schnitt II gemäß Figur 1,
- Fig. 3 eine Variante zu Figur 1,
- Fig. 4 einen Schnitt IV zu Figur 3,
- Fig. 5 eine weitere Variante zu Figur 1,
- Fig. 6 Schnitt VI zu Figur 5,
- Fig. 7 eine weitere Variante zu Figur 1 und
- Fig. 8 einen Schnitt VIII zu Figur 7.
Des weiteren ist die topfförmige Halterung 8 gemäß dem ersten Ausführungsbeispiel hier durch vier gleichmäßig auf einen Kreisbogen aufgeteilte Halter 18' bis 18'''' ersetzt. Auf den Haltern 18' bis 18'''' sind jeweils Mitnahmeelemente 17' bis 17'''' angeordnet, von denen in Figur 3 nur die Mitnahmeelemente 17' und 17''' dargestellt sind. Die Wirkung dieser Mitnahmeelemente 17' bis 17'''' entspricht der des Mitnahmeelementes 7, da durch die gleichmäßige Verteilung sich Radialkraftkomponenten ebenso gegenseitig aufheben.
Claims (11)
- Drehantrieb für einen Spinnrotor (1) während dessen Reinigung, wobei durch die Rotoröffnung (3) ein Reinigungswerkzeug (14) eingeführt und mit den zu reinigenden Oberflächen, insbesondere der Rotorrille (2), in Kontakt gebracht wird,
dadurch gekennzeichnet, daß der Drehantrieb (4) zur Übertragung der Drehbewegung auf den Spinnrotor (1) über Mitnahmeelemente (7; 17' bis 17''''; 19' bis 19'''') mit der Rotoraußenfläche in Kontakt bringbar ist und daß die Mitnahmeelemente (7; 17' bis 17''''; 19' bis 19'''') so angeordnet sind, daß sich bei fluchtenden Achsen (6, 26) von Drehantrieb (4) und Spinnrotor (1) durch den Kontakt erzeugte Radialkräfte gegenseitig aufheben. - Drehantrieb nach Anspruch 1, dadurch gekennzeichnet, daß die Mitnahmeelemente (7) einen geschlossenen Ring bilden, der auf einem die Rotorachse rechtwinklig schneidenden Kreisbogen angeordnet ist.
- Drehantrieb nach Anspruch 1, dadurch gekennzeichnet, daß mindestens drei Mitnahmeelemente (17' bis 17''''; 19' bis 19'''') so auf einem die Rotorachse (24) rechtwinklig schneidenden Kreisbogen angeordnet sind, daß sie einen gleichen gegenseitigen Abstand aufweisen.
- Drehantrieb nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Mitnahmeelemente (7; 17' bis 17''''; 19' bis 19'''') direkt auf dem elektrischen Rotor (9) des Drehantriebes (4) angebracht sind.
- Drehantrieb nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Drehantrieb (4) als Außenläufermotor ausgebildet ist, in dessen nichtdrehender Achse das Reinigungswerkzeug (14) gehaltert ist.
- Drehantrieb nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Mitnahmeelemente (7; 17' bis 17''''; 19' bis 19'''') mindestens auf ihrem mit dem Spinnrotor (1) in Kontakt tretenden Teil eine griffige Oberfläche besitzen.
- Drehantrieb nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Mitnahmeelemente(7; 17' bis 17''''; 19' bis 19'''') aus einem elastischen Material gebildet sind.
- Drehantrieb nach Anspruch 7, dadurch gekennzeichnet, daß die Mitnahmeelemente (7; 17' bis 17'''') aus Gummimagneten gebildet sind.
- Drehantrieb nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß eine Positioniereinrichtung vorhanden ist, die den gesamten Drehantrieb (4) entlang der Drehachse des Spinnrotors (1) verschiebt.
- Drehantrieb nach Anspruch 9, dadurch gekennzeichnet, daß die Positioniereinrichtung eine Steuereinrichtung zur Einstellung der Anpreßkraft der Mitnahmeelemente ((7; 17' bis 17'''') an den Spinnrotor (1) besitzt.
- Drehantrieb nach einem der Ansprüche 3 bis 9, dadurch gekennzeichnet, daß die Mitnahmeelemente (19' bis 19'''') von außen im wesentlichen radial in ihre Arbeitsstellung schwenkbar angeordnet sind und dabei den größten Außendurchmesser des Spinnrotors (1) übergreifen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10052672 | 2000-10-24 | ||
DE10052672A DE10052672A1 (de) | 2000-10-24 | 2000-10-24 | Drehantrieb für einen Spinnrotor während dessen Reinigung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1201800A1 EP1201800A1 (de) | 2002-05-02 |
EP1201800B1 true EP1201800B1 (de) | 2004-05-12 |
Family
ID=7660876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01117634A Expired - Lifetime EP1201800B1 (de) | 2000-10-24 | 2001-07-24 | Drehantrieb für einen Spinnrotor während dessen Reinigung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6516600B2 (de) |
EP (1) | EP1201800B1 (de) |
CZ (1) | CZ20013831A3 (de) |
DE (2) | DE10052672A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10231484A1 (de) * | 2002-03-13 | 2003-09-25 | Rieter Ingolstadt Spinnerei | Reinigungsvorrichtung zur Reinigung eines Spinnrotors |
DE50306007D1 (de) * | 2002-03-13 | 2007-02-01 | Rieter Ingolstadt Spinnerei | Reinigungsvorrichtung mit Schaberelement zur Reinigung von Spinnrotoren |
DE10314936A1 (de) * | 2002-08-03 | 2004-02-12 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Reinigungsvorrichtung zur Reinigung eines Spinnrotors |
DE10251935A1 (de) * | 2002-11-08 | 2004-05-19 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Verfahren und Vorrichtung zum Reinigen einer Spinnstelle einer Offenend-Spinnmaschine |
DE102004029988A1 (de) * | 2004-06-21 | 2006-01-05 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Reinigungsvorrichtung für Textilmaschinen |
DE102015101590A1 (de) * | 2015-02-04 | 2016-08-04 | Rieter Ingolstadt Gmbh | Reinigungskopf sowie Reinigungsvorrichtung zum Reinigen eines Spinnrotors sowie Verfahren zum Reinigen eines Spinnrotors |
DE102016114082A1 (de) * | 2016-07-29 | 2018-02-01 | Maschinenfabrik Rieter Ag | Reinigungsvorrichtung zur Reinigung eines Rotortellers eines Spinnrotors |
CN108754695A (zh) * | 2018-07-16 | 2018-11-06 | 安徽日发纺织机械有限公司 | 一种转杯纺纱机联合小车自动清洁转杯装置 |
DE102018118269A1 (de) * | 2018-07-27 | 2020-01-30 | Maschinenfabrik Rieter Ag | Reinigungsvorrichtung zur Reinigung eines Rotortellers eines Spinnrotors mit einem Reinigungskopf |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2307121A1 (de) * | 1973-02-14 | 1974-08-22 | Krupp Gmbh | Verfahren und vorrichtung zur reinigung von offen-end-spinnturbinen |
US4125991A (en) * | 1976-06-29 | 1978-11-21 | Hans Stahlecker | Mobile servicing device for an open end spinning frame |
DE2629161C2 (de) | 1976-06-29 | 1986-11-27 | Stahlecker, Fritz, 7347 Bad Überkingen | Wartungsgerät für eine eine Vielzal von Spinnaggregaten aufweisende OE-Spinnmaschine |
DE2648066C2 (de) * | 1976-10-23 | 1986-09-04 | Fritz 7347 Bad Überkingen Stahlecker | Offenend-Spinnmaschine mit einer verfahrbaren Wartungsvorrichtung |
CS215133B2 (en) * | 1979-04-02 | 1982-07-30 | Savio Spa | Method of cleaning the rotor of the spindleless spinning unit and device for executing the said |
DE3313926A1 (de) * | 1983-04-16 | 1984-10-18 | Stahlecker, Fritz, 7347 Bad Überkingen | Oe-rotorspinnmaschine mit einer in die offenen seiten der spinnrotoren einfuehrbaren reinigungseinrichtung |
DE3530879A1 (de) | 1985-08-29 | 1987-03-05 | Schlafhorst & Co W | Verfahren und vorrichtung zum reinigen des rotors einer oe-rotorspinnmaschine |
DE3715934C2 (de) * | 1987-05-13 | 1996-07-18 | Schlafhorst & Co W | Schaber an einer Reinigungsvorrichtung einer Offen-End-Spinnmaschine |
DE3911946A1 (de) * | 1989-04-12 | 1990-10-18 | Schlafhorst & Co W | Reinigungsvorrichtung fuer einen rotor einer offenend-end-spinnmaschine |
DE4411343A1 (de) * | 1994-03-31 | 1995-10-05 | Schlafhorst & Co W | Vorrichtung zum Reinigen eines im Rotorgehäuse einer Offenend-Spinneinheit umlaufenden Rotors |
-
2000
- 2000-10-24 DE DE10052672A patent/DE10052672A1/de not_active Withdrawn
-
2001
- 2001-07-24 EP EP01117634A patent/EP1201800B1/de not_active Expired - Lifetime
- 2001-07-24 DE DE50102255T patent/DE50102255D1/de not_active Expired - Fee Related
- 2001-10-24 CZ CZ20013831A patent/CZ20013831A3/cs unknown
- 2001-10-24 US US10/045,938 patent/US6516600B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1201800A1 (de) | 2002-05-02 |
US20020073685A1 (en) | 2002-06-20 |
US6516600B2 (en) | 2003-02-11 |
DE50102255D1 (de) | 2004-06-17 |
CZ20013831A3 (cs) | 2002-06-12 |
DE10052672A1 (de) | 2002-05-02 |
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