EP1191133B1 - Verfahren und Vorrichtung zur Wiederaufarbeitung von Offenend-Rotorspinnvorrichtungen - Google Patents
Verfahren und Vorrichtung zur Wiederaufarbeitung von Offenend-Rotorspinnvorrichtungen Download PDFInfo
- Publication number
- EP1191133B1 EP1191133B1 EP01114610A EP01114610A EP1191133B1 EP 1191133 B1 EP1191133 B1 EP 1191133B1 EP 01114610 A EP01114610 A EP 01114610A EP 01114610 A EP01114610 A EP 01114610A EP 1191133 B1 EP1191133 B1 EP 1191133B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- thrust bearing
- accordance
- bearing bracket
- bracket
- 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
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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
Definitions
- Open-end rotor spinning devices from Open-end rotor spinning machines, e.g. currently from the manufacturer W. Schlafhorst AG & Co. and Rieter Ingolstadt Spinnereimaschinenbau AG essentially consist of a large number of spinning units and a variety of devices for winding the spun Thread.
- Such a spinning unit has a spinning rotor as the spinning organ, which is rotated by a drive means. Of great importance is how the spinning rotor is stored.
- the bearing of the rotor shaft is divided into radial and one axial bearing. With the radial bearing the spinning rotor is in one Wedge gap added by support disks. The axial bearing and thereby caused support during the operation of the spinning rotor this axial thrust is carried out on a thrust bearing.
- a thrust bearing Until a few years ago Years ago the axial bearing on the machines of the two above mentioned manufacturers, and thus with a substantial part of such Spinning machines, made with a ball on which the rotor shaft supported. The rotor shaft rotates the ball. The necessary lubrication of the ball takes place with the help of a Lubricant.
- the object of the present invention is by a suitable method to enable the many thousands of spinning devices still in operation, with lubrication of the rotor using oil-containing media, can be worked up without great effort so that they meet the requirements, which are now placed on open-end spinning devices, can fulfill without the complete spinning device or machine must be replaced.
- the investment in modernization is kept small and remains limited to the crucial components.
- Refurbished open-end rotor spinning machines have essentially same advantages in terms of storage properties Open-end spinning rotors like the open-end rotor spinning machines with the known one pneumatic axial bearing already included in new condition for the spinning rotor.
- the bearing block is all that is needed for reprocessing the open-end rotor spinning device to be refurbished be, which then easily located on the pedestal Thrust bearing can be separated and according to the invention by a Thrust bearing bracket can be replaced with a pneumatic thrust bearing. This can advantageously be accelerated in that, for example section by section the corresponding parts of the rotor bearings the open-end spinning machine to be reprocessed expanded and refurbished while the remaining sections of the spinning machine remain in operation.
- Another advantageous method involves working up already Bearings kept ready after the expansion of the original Bearings to be installed immediately, so that only a very short interruption of production arises.
- the original that was removed Bearings can then be refurbished at any point to be subsequently also step by step to replace the original bearings.
- the ball thrust bearing is advantageously separated such that the plane in which the separation takes place parallel to the plane in which the support disks lie, i.e. by the pair of support disks near the rotor or the pair of support disks is formed at the shaft end.
- the separation can be advantageous between the two levels of the two pairs of support disks mentioned above lie.
- An advantageously designed dividing line can thereby be achieved be that this breaks in its course and also perpendicular to the levels of the support disks described above.
- the thrust bearing bracket is advantageously designed with a corresponding mating surface, so that the separating surface is advantageous for adjusting the bearing bracket is suitable on the bearing block, especially if it is processed accordingly is.
- the Partition surface with a fastener for fastening the bearing bracket fitted advantageously ensures that the fastening of the bearing bracket can be done easily and quickly and precisely.
- the fastener is a particularly favorable design as a bore formed, which are also particularly advantageously provided with a thread can be. This fixes the bearing bracket to the bearing block particularly easy and safe possible, e.g. by means of screws.
- the storage is advantageously achieved that an inexpensive storage is formed, the bearing block of which benefits the original storage for example the radial mounting of the spinning rotor by means of support disks retains and at the same time the advantages of a pneumatic axial bearing of the Spinning rotor united.
- the thrust bearing bracket is also advantageous a receptacle for a bearing surface of a pneumatic axial bearing.
- the separating surface and the mating surface are at the same time designed to ensure in connection with the thrust bearing carrier, that no adjustments are required that the bearing surface in the axial direction of the spinning rotor. This is particularly cheap because of it Time to set can be saved, and moreover for that No special knowledge is required for maintenance personnel.
- the separating surface has been machined and forms a centering and positioning surface the bearing plate of the thrust bearing to the rotor shaft, which with the bearing should be stored.
- the separating surface optionally has centering means for the Centering or alignment of the bearing bracket on the bearing block, e.g. dowels or mounting holes for this.
- Figure 1 in connection with Figure 3 shows a bearing of an open-end rotor spinning device according to the prior art with a ball thrust bearing 13 before reprocessing.
- the storage 10 consists of a Bearing bracket 11 on which the support disks 12 and the ball thrust bearing 13 are arranged.
- Such storage is for example from DE 41 21 387 A1, compare FIG. 2.
- the support disks 12 are arranged in pairs so that they have two wedge gaps Form 121, in which the rotor shaft is mounted.
- the ball thrust bearing 13 opposite end of the rotor shaft 14 carries the open-end spinning rotor 140.
- a drive means not shown, which in the state of the Technology is usually designed as a tangential belt, the spinning rotor 140 driven via the rotor shaft 14 and set in rotation.
- Two each Support disks 12 are connected to one another via an axis 15 and via the axis 15 is mounted in support disc bearings 16.
- the support disc bearings 16. are recorded in semicircular images 17.
- About a bracket 18 are the support disc bearings 16 in the receptacles 17 of the bearing block 11 pushed in and held. The bracket 18 is on the bearing block 11 held.
- the axes 15 of the support disks 12 are skewed to one another arranged so that the one supported in the wedge gaps 121 over the support disks Rotor shaft experiences an axial thrust, which it against as a ball thrust bearing 13 trained axial bearing 10 presses.
- the ball thrust bearing 13 has a chamber 19, which has a cover 20 is closed. Inside the chamber 19 there is a ball 5 in height of the rotor shaft 14 against which it rests. The ball 5 in turn supports on the side facing away from the rotor shaft 14 at a depth stop 21, which picks up the ball in the manner of a spherical cap.
- the depth stop 21 can be adjusted with a fixing screw 22, which means the mother 220 is countered.
- the ball thrust bearing 13 has a cover 20 for lubricating the ball 5 opposite receptacle 3 for lubricant 31, to support serves to rotate the ball.
- the lubricant 31 is passed over a wick 32 brought up to the ball K.
- the bearing block 11 is via fastening screws 23 on the frame 24, here only shown schematically, attached to the spinning machine.
- the bearing block 11 For refurbishing the open-end spinning device, the bearing block 11 must first from the spinning machine and thus also from the spinning device by loosening the fastening screws 23 are removed or removed. Is to it cheap to shut down the drive means, not shown, so that the bearing block 11 with the support disks 12 and the ball thrust bearing 13 from the Spinning machine can be expanded. Before that, the Spinning rotor 140 with its rotor shaft 14 removed from the bearing 10. After the storage 10 has been removed, for the sake of simplicity Support disks 12 removed from the bracket 11 after the clamp 18 has been released, so that the further steps on the bracket 11 performed more easily can be.
- the bearing 10 from FIG. 2 is a refurbished bearing 10 according to FIG the invention.
- the bearing 10 consists of a bearing block 11 Bearing 10 with a ball thrust bearing 13, as shown in Figures 1 and 3 is.
- By separating the ball thrust bearing 13 (see FIG. 1) is the Partition surface 25 free, so that according to the invention an axial bearing carrier 4 arranged for a bearing surface 41 of a pneumatic axial bearing 42 can be.
- the separating surface 25 is in the exemplary embodiment in FIG. 2 after cutting off the ball thrust bearing, so that the Partition surface 3 forms a flat smooth surface on which the thrust bearing bracket 4 seamlessly creates with its mating surface 45.
- Machining the interface 25 is in the embodiment of Figure 2 by machining, i.e. here by milling.
- the interface receives through machining an assignment to the storage of the support discs and indirectly thereby also to the rotor shaft mounted on the support disks.
- the interface thereby becomes a stop surface (counter surface) for the mating surface 45 the axial bearing bracket
- the separating surface 25, in the embodiment of Figure 2 in two each Sub-surfaces arranged to the left and right of the wedge gap of the bearing block 11 is formed, has two fastening means 440, which in FIG Dashed lines are shown.
- the fastener 44 is made each from a hole through which a screw shaft extends extends into the thrust bearing bracket 4.
- the thrust bearing bracket 4 lies with his Mating surface 45 on the parting surface 3 of the bearing block 11.
- Meeting area 25 and mating surface 45 are designed so that the Bearing surface 41 of the pneumatic axial bearing 42 after assembly of the Axial bearing bracket 4 in relation to the other bearing elements, and in particular the free end of the rotor shaft 14 is in the correct position.
- the thrust bearing bracket 4 When mounting the thrust bearing bracket 4 is in the receptacle 46 for that Thrust bearing 42 introduced a mounting void, which specifies the position in which the mating surface 45 together with the separating surface 43 through the fastening means 44 must be attached to each other.
- the receptacle 46 For axial adjustment, that is, in relation to the end of the red shaft of the pneumatic Axial bearing 42, the receptacle 46 is designed in the form of a clamping fist, so that the pneumatic thrust bearing 42 in the correct axial position can be attached to the thrust bearing bracket 4 with the clamping screw 47.
- the thrust bearing bracket itself has two fastening centers 44 it is particularly advantageously possible to do this even with a bearing block use, in which the fasteners are designed differently.
- FIG 3 shows the ball thrust bearing of Figure 1 in section.
- the rotor shaft 14 lies in operation on the ball 5, which forms a depth stop 21 for it, on.
- the ball 5 is in turn supported on the fixing screw 22, which means the nut 220 is countered and thus fixed in rotation.
- a receptacle 3 for lubricant 31 is oil, which by means of a wick 32, the ball 5 touched, on the surface of which is applied.
- the chamber 19 of the ball thrust bearing 13, which is located above the receptacle 3, is pushed upwards completed the lid 20. By opening chamber 19 the rotor shaft protrudes into it, being surrounded by an enclosure 33 to prevent lubricant from escaping.
- the interior of the chamber 19 is milled cylindrical and on the thereby an annular separating surface 300, for example an annular thrust bearing carrier 4 (not shown) used the bearing surface of a pneumatic Axial bearing accommodates.
- annular thrust bearing carrier 4 used the bearing surface of a pneumatic Axial bearing accommodates.
- FIG. 4 shows the axial bearing carrier as used in the storage of FIG. 2 is.
- the thrust bearing bracket has left and right of the thrust bearing 42 a mating surface 45 with which it is reworked on the parting surface Storage is positioned.
- the thrust bearing 4 of Figure 4 each has two fasteners 44.
- the one shown above is a blind hole formed, which is provided with a thread, the lower as Through hole through which then for attachment a Screw is screwed into the matching machined bearing block can.
- Other types of mounting are also possible as long as they are one ensure secure attachment.
- this can also be used for the exact positioning of the Axial bearing bracket can be used.
- a dowel pin be arranged in the bore, the one machined accordingly Interface of a reconditioned bearing block cooperates.
- a receptacle 46 For fastening the pneumatic thrust bearing 42 to the thrust bearing bracket 4 this has a receptacle 46, which is designed in the form of a clamping fist is.
- the sleeve-shaped axial bearing is screwed 460 42 attached with its bearing plate 41 to the thrust bearing bracket. Because of the advantageous Design of the thrust bearing 42 and receptacle 46 can the bearing plate simply viewed in the axial direction with respect to the rotor shaft, be positioned. In operation, the thrust bearing is over that of the bearing plate 41 opposite side via a feed line (not shown) with compressed air provided.
- a feed line not shown
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Rolling Contact Bearings (AREA)
Description
- Figur 1
- eine Lagerung einer Offenend-Rotorspinnvorrichtung mit einem Kugelaxiallager vor der Wiederaufarbeitung;
- Figur 2
- die wiederaufgearbeitete Lagerung nach Fig. 1, nach der Montage des Axiallagerträgers für ein aerostatisches Axiallager;
- Figur 3
- das Kugelaxiallager von Figur 1 im Schnitt;
- Figur 4
- den Axiallagerträger von Figur 2 in perspektivischer Darstellung.
Claims (12)
- Verfahren zur Wiederaufarbeitung einer Offenend-Spinnvorrichtung mit einem im Keilspalt (121) von Stützscheiben (12) gelagerten Spinnrotor, wobei die Stützscheiben (12) mit ihren Lagern in einem Lagerbock (11) gelagert und aufgenommen sind und dieser ein Axiallager (13) trägt, das ein Haltemittel für eine Kugel sowie eine Aufnahme (3) für ein Schmiermittel besitzt, dadurch gekennzeichnet, daß der Lagerbock (11) aus der Offenend-Spinnvorrichtung ausgebaut wird, das Axiallager (13) vom Lagerbock (11) abgetrennt wird, anschließend am Lagerbock (11) ein Axiallagerträger (4) für ein mit einer Lagerfläche (41) ausgestattetes aerostatisches Axiallager (42) angeordnet wird, daß der Axiallagerträger (4) am Lagerbock (11) ausgerichtet und befestigt wird und wenigstens teilweise durch die Befestigung des Axiallagerträgers (4) am Lagerbock (11) die Justierung des Axiallagers (42) zum von den Stützscheiben (12) aufgenommenen Rotorschaft (14) erfolgt, wobei die Trennfläche (25) und die Passfläche (45) am Axiallagerträger (4) die Zuordnung der Lagerfläche (41) des Axiallagers zum Spinnrotor bestimmen, und anschließend der Lagerbock (11,4) in eine Offenend-Spinnvorrichtung eingebaut wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Abtrennen am Lagerbock (11) wenigstens teilweise im wesentlichen in einer Ebene erfolgt, die parallel zur Ebene verläuft, in der die Stützscheiben (12) liegen.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Abtrennen zwischen den beiden Ebenen erfolgt ist, die durch die beiden Stützscheibenpaare (12) gebildet werden.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Abtrennen wenigstens teilweise senkrecht zur Ebene erfolgt in der die Stützscheiben (12) liegen.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Abtrennen wenigstens teilweise durch Bohren oder Fräsen im wesentlichen senkrecht oder im wesentliche parallel zur Ebene der Stützscheiben (12) erfolgt.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Abtrennen des Axiallagers vom Lagerbock (11,4) durch spanende Bearbeitung oder nichtspanendes Schneiden erfolgt.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Trennfläche am Lagerbock (11,4) bearbeitet wird.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Trennfläche eine Gegenfläche bildet, zum Justieren des Lagerträgers am Lagerbock (11,4).
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Trennfläche mit einem Befestigungsmittel für die Befestigung des Lagerträgers ausgestattet wird.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß das Befestigungsmittel als Bohrung ausgebildet wird.
- Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß die Bohrung mit einem Gewinde versehen wird.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Befestigung des Axiallagerträgers kraftschlüssig erfolgt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10046984 | 2000-09-22 | ||
DE10046984A DE10046984A1 (de) | 2000-09-22 | 2000-09-22 | Verfahren und Vorrichtung zur Wiederaufarbeitung von Offenend-Rotorspinnvorrichtungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1191133A1 EP1191133A1 (de) | 2002-03-27 |
EP1191133B1 true EP1191133B1 (de) | 2004-09-15 |
Family
ID=7657224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01114610A Expired - Lifetime EP1191133B1 (de) | 2000-09-22 | 2001-06-19 | Verfahren und Vorrichtung zur Wiederaufarbeitung von Offenend-Rotorspinnvorrichtungen |
Country Status (3)
Country | Link |
---|---|
US (1) | US6662543B2 (de) |
EP (1) | EP1191133B1 (de) |
DE (2) | DE10046984A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012014660A1 (de) * | 2012-07-24 | 2014-01-30 | Saurer Germany Gmbh & Co. Kg | Stützscheibenlagerung für eine Offenend-Spinneinrichtung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7708087U1 (de) * | 1977-03-16 | 1977-06-30 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Axialfuehrung fuer den schaft eines auf stuetzrollen gelagerten spinnrotors o.dgl. |
BR8702729A (pt) * | 1987-05-27 | 1988-12-13 | Fritz Stahlecker | Conjunto de fiacao de rotor de extremidade aberta |
DE3942612C2 (de) | 1989-12-25 | 2003-05-08 | Rieter Ingolstadt Spinnerei | Offenend-Spinnvorrichtung |
DE4121387C2 (de) * | 1991-06-28 | 2000-12-14 | Schlafhorst & Co W | Stützscheibenlagerung einer Rotorspinneinrichtung |
DE4325305A1 (de) * | 1992-08-07 | 1994-02-10 | Rieter Ingolstadt Spinnerei | Führung für den Schaft eines Offenend-Spinnrotors |
DE4433240C2 (de) * | 1994-09-17 | 1997-10-16 | Rieter Ingolstadt Spinnerei | Lagerung für einen Offenend-Spinnrotor |
CZ289599B6 (cs) * | 1994-11-29 | 2002-03-13 | Gerhard Wanger | Vřeteno pro loľisko mazané plynem rychle se otáčejícího nástroje |
DE19630476A1 (de) * | 1996-07-27 | 1998-01-29 | Rieter Ingolstadt Spinnerei | Offenend-Spinnvorrichtung |
DE19734425A1 (de) * | 1997-08-08 | 1999-02-11 | Schurr Stahlecker & Grill | Spurlager für einen Schaft eines OE-Spinnrotors |
DE10106204A1 (de) * | 2001-02-10 | 2002-08-14 | Rieter Ingolstadt Spinnerei | Offenend-Spinnvorrichtung mit einem aerostatischen Radiallager für einen Spinnrotor |
-
2000
- 2000-09-22 DE DE10046984A patent/DE10046984A1/de not_active Withdrawn
-
2001
- 2001-06-19 DE DE50103604T patent/DE50103604D1/de not_active Expired - Fee Related
- 2001-06-19 EP EP01114610A patent/EP1191133B1/de not_active Expired - Lifetime
- 2001-08-22 US US09/934,804 patent/US6662543B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE50103604D1 (de) | 2004-10-21 |
EP1191133A1 (de) | 2002-03-27 |
DE10046984A1 (de) | 2002-04-11 |
US6662543B2 (en) | 2003-12-16 |
US20030136100A1 (en) | 2003-07-24 |
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