EP1882058A1 - Spinnrotor - Google Patents
SpinnrotorInfo
- Publication number
- EP1882058A1 EP1882058A1 EP06724234A EP06724234A EP1882058A1 EP 1882058 A1 EP1882058 A1 EP 1882058A1 EP 06724234 A EP06724234 A EP 06724234A EP 06724234 A EP06724234 A EP 06724234A EP 1882058 A1 EP1882058 A1 EP 1882058A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- spinning
- rotor shaft
- shaft
- cup
- 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 50
- 238000007383 open-end spinning Methods 0.000 claims abstract description 10
- 238000005266 casting Methods 0.000 claims description 13
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052732 germanium Inorganic materials 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 101100495769 Caenorhabditis elegans che-1 gene Proteins 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 7
- 238000004382 potting Methods 0.000 description 6
- 238000004512 die casting Methods 0.000 description 5
- 239000011701 zinc Substances 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229940125773 compound 10 Drugs 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding 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
- D01H4/10—Rotors
Definitions
- the invention relates to a spinning rotor for a
- the rotor shaft is equipped with a system collar on which the rotor plate is fixed by a welded joint.
- connection is relatively heavy, which has a very adverse effect on the acceleration capacity of the spinning rotor or that in the course of the connection of the two rotor parts to a structural change in the components, which due to the high speeds of such spinning rotors is not a problem.
- the present invention seeks to provide a spinning rotor for an open-end rotor spinning machine, which does not have the disadvantages of the known spinning rotors. That is, it is to be developed a spinning rotor, which has both a secure connection between rotor cup and rotor shaft, as well as a relatively low moment of inertia. To solve this problem, a spinning rotor with the features of claim 1 is proposed.
- the rotor shaft and the rotor plate have connection means which are at least partially surrounded by a connecting element designed as a casting, whereby a positive connection of the rotor shaft with the rotor plate can be achieved.
- a shaft-hub connection is created at the junction between the rotor shaft and rotor plate, with a significant mass saving of the spinning rotor can be achieved, wherein the rotor shaft and the rotor plate are rotatably connected substantially by the positive connection.
- the moment of inertia of the spinning rotor can be significantly reduced, which in particular affects the acceleration behavior of the spinning rotor.
- the formed as a casting connecting element also improves the mass distribution of the spinning rotor and thus its behavior at high speeds, without weakening the rotor cup in the hub area inadmissible.
- connection at the contact surfaces is in
- the rotor shaft in an advantageous embodiment has a connection means designed as a profiling.
- the profiling arranged on the rotor shaft at the end extends in part through a hole in the rotor bottom of the rotor cup into the interior of the rotor cup (3) and may have different shapes.
- the profiling for example, as set forth in claim 4, be designed as an annular groove, as a helical groove or as knurling and serves mainly to ensure that the connecting element can form a positive connection with the rotor shaft.
- the annular groove has, for example, a recess into which the liquid potting compound can completely penetrate.
- the profiling expediently extends from the free end of the rotor shaft, which projects into the interior of the rotor cup, through the bore of the rotor base into the rotor cup.
- the connecting element is fixed in a form-fitting manner both inside and outside of the rotor cup on the circumferential side of the rotor shaft.
- This purpose is also served by the connection means arranged in the rotor bottom of the rotor cup and designed as openings
- the connecting element which is integrally formed, extends from the outside of the rotor cup through the
- Connecting element (claim 6) ensures a reliable
- the die cast part advantageously consists of a metal, in particular of Al, Zn, Mg, Ag, Cu, Au, Si, Fe, Ti, Ge, Sn or the like or is formed from an alloy of these metals.
- the connecting element designed as a casting is produced in such a way that first the rotor plate is guided into a corresponding device, for example into an insertion tool, of a die-casting machine and fixed accordingly there. Subsequently, the rotor shaft is guided into the bore of the rotor cup and also fixed there by means of a corresponding device.
- connection area which represents the connecting element after the die casting process
- a casting mold which forms an outer shell for the Potting compound forms.
- the material of the potting compound is zinc, for example.
- the liquid potting compound is conveyed into the mold with a corresponding pressure, which can be, for example, 400-600 bar. After the casting material has cooled, it forms a reliable, permanent connection between the rotor shaft and the rotor cup.
- the game serves to align the rotor shaft reliably in the bore through the centering tool.
- the game is suitably less than
- the game is filled by the connecting element.
- Rotortellers in particular the wall thickness of the sliding wall, is reduced accordingly.
- the sliding wall has a wall thickness d which is in the range of 0.5 mm ⁇ d ⁇ 1.5 mm, preferably in the
- FIG. 1 is a sectional view of the spinning rotor according to the invention
- FIG. 2 shows a side view of the spinning rotor according to FIG. 1.
- such open-end rotor spinning machines each have a rotor housing that can be pressurized with negative pressure, in which the rotor cup 3 of the spinning rotor 1 rotates at high speed about its central axis 13.
- the spinning rotor 1 is driven for example by an electric motor single drive.
- the spinning rotor 1 is supported in this case with its rotor shaft, in a magnetic bearing assembly, not shown, which fixes the spinning rotor 1 both radially and axially.
- the rotor shafts of such spinning rotors have, as shown in the embodiment, a bearing with components provided (not shown) rotor shaft portion remaining in the magnetic bearing, and a rotor shaft portion on which the rotor cup 3 is fixed and which are removed with the rotor cup 3 can.
- This rotor shaft section connected to the rotor cup 3 is referred to in the present application for the sake of simplicity as a rotor shaft and is identified by reference numeral 2.
- the rotor cup 3 which may be turned, for example, from solid, has an opening 4, an interior space 5, a rotor groove 6, a from the opening 4 to the rotor groove 6 extending, conically widening sliding wall 7 and one of the opening 4 arranged opposite, with a bore 8 running rotor bottom 9. Through the opening 8 of the rotor bottom 9, the rotor shaft 2 extends.
- the rotor shaft 2 protrudes into the inner space 5 of the rotor cup 3, which in addition to a sliding surface 7, which has the rotor groove 6 serving as Fasersa ⁇ unelrille.
- the rotor cup 3 may also be formed as a casting or be brought from a non-cutting shaped part by machining in the desired shape.
- the wall thickness of the rotor cup 3 between the opening 4 and the bore 8 is substantially the same size.
- the wall thickness of the rotor cup 3, starting from the opening 4 in the direction of the rotor bottom 9 vary.
- the rotor shaft 2 is connected to the rotor cup 3 by means of a one-piece connecting element 10.
- the connecting element 10 is formed from a potting compound whose material in the present embodiment, for example, zinc.
- the zinc die casting causes a substantially positive connection of the rotor shaft 2 with the rotor cup 3, wherein the connecting element 10 is disposed both outside and inside the rotor cup 3.
- connection means 11, 12, which pass through the casting trained connecting element 10 are at least partially surrounded or covered.
- the rotor shaft 2 has, for example, a end
- Interior 5 of the rotor cup 3 extends.
- the potting compound 10 penetrates into the grooves of the profiling 12 during the die casting process, so that the
- Connecting element 10 in the cooled state has a reliable hold on the rotor shaft 2.
- Connection means which are designed as openings 11, as shown in Figure 2.
- the rotor bottom 9 has, for example, six openings 11, which are arranged in a circle around the axis of rotation 13 around.
- Connecting element 10 are used.
- opposing openings 11 are arranged diametrically to each other, so that unbalance problems can be largely eliminated.
- the circular openings 11 may of course have alternative geometric shapes, such as square, rectangular or the like.
- the connecting element 10 extends from the rotor shaft 2 outside of the rotor cup 3 through the openings 11 into the interior 5 of the rotor cup 3.
- the one-piece connecting element 10 has a positive connection to the profiling 12 of the rotor shaft 2 and to the Openings 11, whereby a secure, rotationally fixed connection between the rotor cup 3 and rotor shaft 2 is ensured.
- the mass moment of inertia of the spinning rotor 1 can be significantly reduced compared to the hitherto conventional compounds by the formed as a casting connecting element 10, which has a favorable effect on the performance of the spinning rotor.
- the wall thickness of the connecting element 10 initially increases steadily in the direction of the interior 5 (outside the rotor cup 3) and reaches the greatest wall thickness in the nearer region of the rotor bottom 9. In the interior 5, the wall thickness then decreases slightly.
- the present outer contour is determined by the casting mold.
- the diameter of the rotor shaft 2 is smaller than that
- the rotor cup 3 is in the present embodiment, as is known, made of a steel and is borated. Furthermore, as is also known, the rotor cup 3 additionally has a diamond dispersion coating.
- the rotor shaft 2 is also made of a steel, which in the present embodiment is a chrome steel.
- the connecting element 10 represents a three-dimensionally designed connecting element 10, which at the openings
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 |
|---|---|---|---|
| DE102005021920A DE102005021920A1 (de) | 2005-05-12 | 2005-05-12 | Spinnrotor |
| PCT/EP2006/003311 WO2006119834A1 (de) | 2005-05-12 | 2006-04-11 | Spinnrotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1882058A1 true EP1882058A1 (de) | 2008-01-30 |
| EP1882058B1 EP1882058B1 (de) | 2011-01-19 |
Family
ID=36591304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06724234A Ceased EP1882058B1 (de) | 2005-05-12 | 2006-04-11 | Spinnrotor |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7594384B2 (de) |
| EP (1) | EP1882058B1 (de) |
| CN (1) | CN101180422B (de) |
| BR (1) | BRPI0609909A2 (de) |
| DE (2) | DE102005021920A1 (de) |
| RU (1) | RU2007145678A (de) |
| WO (1) | WO2006119834A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007007260B4 (de) | 2007-02-14 | 2022-04-28 | Saurer Spinning Solutions Gmbh & Co. Kg | Spinnrotor für eine Offenend-Spinnvorrichtung |
| CN102134765B (zh) * | 2010-12-10 | 2013-07-31 | 经纬纺织机械股份有限公司 | 转杯纺纱机纺锥筒纱卷绕装置 |
| DE102012008693A1 (de) * | 2012-04-28 | 2013-10-31 | Oerlikon Textile Gmbh & Co. Kg | Offenend-Spinnrotor |
| CN103245333B (zh) * | 2013-05-09 | 2015-04-22 | 浙江理工大学 | 高速纺杯内剪切流场中纱线运动测量装置 |
| DE102013108199A1 (de) * | 2013-07-31 | 2015-02-05 | Maschinenfabrik Rieter Ag | Offenend-Spinnrotor mit einer Rotortasse, einem Rotorschaft sowie einer Kupplungsvorrichtung |
| DE102014002102A1 (de) * | 2014-02-15 | 2015-08-20 | Saurer Germany Gmbh & Co. Kg | Offenend-Spinnrotor |
| JP6553912B2 (ja) * | 2015-03-30 | 2019-07-31 | 蛇の目ミシン工業株式会社 | ミシンの外釜 |
| DE102015007819A1 (de) | 2015-06-18 | 2016-12-22 | Saurer Germany Gmbh & Co. Kg | Spinnrotor für eine mit hohen Rotordrehzahlen arbeitende Offenend-Spinnvorrichtung |
| DE102016108859A1 (de) * | 2016-05-13 | 2017-11-16 | Rieter Ingolstadt Gmbh | Spinnrotor für eine Offenend-Spinnvorrichtung mit einem reibwerterhöhenden Belag und Offenend-Spinnvorrichtung |
| DE102017129152A1 (de) * | 2017-12-07 | 2019-06-13 | Maschinenfabrik Rieter Ag | Auflösewalze für eine Offenend-Spinnvorrichtung sowie Offenend-Spinnvorrichtung |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1991277U (de) | 1968-08-08 | Gebert & Cie., Rapperswil (Schweiz) | Rohrkupplung | |
| GB1291254A (en) * | 1969-01-24 | 1972-10-04 | Lucas Industries Ltd | Couplings for connecting two components |
| GB1461259A (en) * | 1973-03-14 | 1977-01-13 | Platt Saco Lowell Ltd | Textile machines |
| DE2812297A1 (de) | 1977-03-26 | 1978-09-28 | Platt Saco Lowell Ltd | Spinnrotoranordnung fuer offenendspinnmaschinen |
| DE2939325C2 (de) * | 1979-09-28 | 1982-05-06 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Offenend-Spinnrotor |
| DE2939326C2 (de) * | 1979-09-28 | 1982-05-19 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Offenend-Spinnrotor |
| DE3212785C3 (de) * | 1982-04-06 | 1987-08-20 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Offenend-spinnrotor |
| DE3519536A1 (de) | 1985-05-31 | 1986-12-04 | Stahlecker, Fritz, 7347 Bad Überkingen | Spinnrotor fuer oe-spinnen |
| DE4020518A1 (de) | 1990-06-28 | 1992-01-02 | Schubert & Salzer Maschinen | Offenend-spinnrotor |
| DE4312365A1 (de) * | 1993-04-16 | 1994-10-20 | Rieter Ingolstadt Spinnerei | Offenend-Spinnrotor |
| CN2194368Y (zh) * | 1994-07-25 | 1995-04-12 | 西安华航机械厂 | 组合式轻型钢纺杯 |
| CZ289599B6 (cs) * | 1994-11-29 | 2002-03-13 | Gerhard Wanger | Vřeteno pro loľisko mazané plynem rychle se otáčejícího nástroje |
| CN2253352Y (zh) * | 1996-03-12 | 1997-04-30 | 冯化庚 | 组合式整体型钢纺杯 |
| DE19621190A1 (de) * | 1996-05-25 | 1997-11-27 | Rieter Ingolstadt Spinnerei | Offenend-Spinnrotor |
| DE19910277B4 (de) | 1999-03-09 | 2010-11-04 | Oerlikon Textile Gmbh & Co. Kg | Spinnrotor für Offenend-Spinnmaschinen |
| DE10024020A1 (de) * | 2000-05-16 | 2001-11-22 | Schlafhorst & Co W | Offenend-Spinnrotor |
| DE10209347B4 (de) * | 2002-03-02 | 2005-12-08 | Daimlerchrysler Ag | Herstellungsverfahren für einen Turbinenradläufer |
| DE10302178A1 (de) | 2003-01-22 | 2004-07-29 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Spinnrotor für das OE-Spinnen |
-
2005
- 2005-05-12 DE DE102005021920A patent/DE102005021920A1/de not_active Withdrawn
-
2006
- 2006-04-11 RU RU2007145678/12A patent/RU2007145678A/ru unknown
- 2006-04-11 DE DE502006008764T patent/DE502006008764D1/de not_active Expired - Lifetime
- 2006-04-11 BR BRPI0609909-2A patent/BRPI0609909A2/pt not_active Application Discontinuation
- 2006-04-11 WO PCT/EP2006/003311 patent/WO2006119834A1/de not_active Ceased
- 2006-04-11 US US11/920,221 patent/US7594384B2/en not_active Expired - Fee Related
- 2006-04-11 EP EP06724234A patent/EP1882058B1/de not_active Ceased
- 2006-04-11 CN CN2006800150568A patent/CN101180422B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006119834A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090084081A1 (en) | 2009-04-02 |
| CN101180422A (zh) | 2008-05-14 |
| DE102005021920A1 (de) | 2006-11-16 |
| CN101180422B (zh) | 2010-07-28 |
| WO2006119834A1 (de) | 2006-11-16 |
| US7594384B2 (en) | 2009-09-29 |
| BRPI0609909A2 (pt) | 2010-05-11 |
| EP1882058B1 (de) | 2011-01-19 |
| DE502006008764D1 (de) | 2011-03-03 |
| RU2007145678A (ru) | 2009-06-20 |
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