EP1146152A1 - Disque de support comportant une couche en caoutchouc pour un palier à disques supportant un rotor à filature - Google Patents

Disque de support comportant une couche en caoutchouc pour un palier à disques supportant un rotor à filature Download PDF

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Publication number
EP1146152A1
EP1146152A1 EP01108550A EP01108550A EP1146152A1 EP 1146152 A1 EP1146152 A1 EP 1146152A1 EP 01108550 A EP01108550 A EP 01108550A EP 01108550 A EP01108550 A EP 01108550A EP 1146152 A1 EP1146152 A1 EP 1146152A1
Authority
EP
European Patent Office
Prior art keywords
support disc
covering
rubber
support
disc according
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
Application number
EP01108550A
Other languages
German (de)
English (en)
Other versions
EP1146152B1 (fr
Inventor
Edmund Schuller
Manfred Knabel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rieter Ingolstadt Spinnereimaschinenbau AG
Original Assignee
Rieter Ingolstadt Spinnereimaschinenbau AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rieter Ingolstadt Spinnereimaschinenbau AG filed Critical Rieter Ingolstadt Spinnereimaschinenbau AG
Publication of EP1146152A1 publication Critical patent/EP1146152A1/fr
Application granted granted Critical
Publication of EP1146152B1 publication Critical patent/EP1146152B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

  • the present application relates to a support disc for a support disc bearing for open-end spinning rotors according to the preamble of the claim 1.
  • Generic support disks are for example by a storage for Spinning rotors known from DE 33 24 129 A1.
  • the support washers exist from a base body, for example made of plastic or metal and which has a plastic ring on its outer circumference, which forms the tread for the mounted rotor shaft.
  • the plastic ring is applied to the base body by spraying onto it. That in material used for this in the prior art for the
  • the circumference of the rotor shaft running plastic ring is a polyurethane elastomer.
  • This elastic plastic ring which forms the tread for the rotor shaft, has the property that it has damping properties, so that the troubled run of the spinning rotor, for example due to imbalance or through Impacts of the driving tangential belt takes place, can be damped.
  • the known support disc bearings and the support discs with one Trims made of polyurethane are speeds of the rotor shaft up to possible at 110,000 revolutions per minute and more.
  • the support disc coverings are made of polyurethane but also the disadvantage that they wear out. Through the constant Deformation on the surface of the tread, for example warmed so much by the flexing that the covering is destroyed takes place. To suppress this behavior of the support disks is out known in the prior art, a cooling groove in the covering of the support disc bring in. This is shown, for example, in US Pat. No. 5,178,473.
  • the known support disks have the further disadvantage that the polyurethane tread detaches from the base, causing destruction the support disc takes place.
  • the plastic covering is applied to a base body, which is designed such that in a radial Viewed in the direction of the support disc, a positive connection is present between the base body and the plastic covering.
  • Such Support disc is known for example from DE 42 27 489 A1. From the DE 19824286 A1 discloses a support disk which is located next to a cooling groove still has a cleaning groove and provides for other measures to contamination of the rotor spinning device during operation To prevent the rotor shaft, which gives rise to additional maintenance work gives.
  • the object of the present application is to overcome the disadvantages of the prior art Eliminate technology and propose a support disc that is suitable To store open-end spinning rotors even at the highest speeds without the Disadvantage of having an insufficient lifespan.
  • the object of the present invention is achieved by a support disk solved the claim 1.
  • the inventive design of the support disc is advantageous achieved that between the base body and the tread of the support disc secure connection is created, even at the highest speeds and stresses, such as those caused by flexing work Resists forces. There is no detachment of the covering from the base body instead of.
  • the support disk designed according to the invention has very good rolling properties for the mounted rotor shaft. So be an uneven running behavior of the rotor due to the good damping properties the support disc is considerably reduced and vibrations dampened.
  • the damping work occurring in the covering of the support disc can be advantageously taken up by the covering without causing any impairments the quality of the tread of the support disc comes.
  • the covering of the support disc has a cooling groove for an even better removal of those arising during operation Warmth from the surface. This further increases wear resistance the support disc.
  • the coating By forming the coating with a cleaning groove to prevent deposits on the rotor shaft, malfunctions in operation are reduced. These are also advantageously prevented by the fact that the covering of the support disk has a low electrical resistance of advantageously less than 1.0 x 10 9 ohms.
  • the rubber material is advantageously mixed with an additive to increase its electrical conductivity.
  • the covering of the support disk is made made of nitrile rubber (NBR).
  • NBR nitrile rubber
  • the rubber can contain additives so that it has no aging time required, such as the polyurethane used in the prior art. With these additives, NBR or H-NBR behaves like an already aged one Material and therefore has constant properties from the start.
  • a rubber with a tensile strength of at least 28 N / mm 2 is advantageously used for the advantageous development of the invention.
  • a rubber with a Shore A hardness of 85 to 105 is advantageously used. This achieves favorable damping values for the bearing.
  • the use of a rubber for the support disc with an elasticity of at least 29% ensures high wear resistance with good damping.
  • the support disc has one or more on the circumference of the covering Grooves, so can the support disc covering in a particularly advantageous manner Withstand even the highest loads.
  • the groove can do several tasks fulfill. For example, it can be used to cool the surface or to Cleaning the shaft of the open spinning rotor can be used. By the Use of the grooves is also the rolling resistance of the Shaft influenced on the support discs.
  • the covering is less than 4 mm thick or less than 1.9 times the height of the deepest groove, so there is a particularly good ratio of the covering in terms of its strength and the cooling and cleaning effects surrendered to the groove.
  • one or more cleaning grooves are arranged on the covering of the support disc.
  • the base body surface treated especially if it is at the body is an aluminum part, anodized, so several achieved additional benefits.
  • the surface treatment causes damage of the material of the base body, for example by oxidation prevented.
  • the surface treatment is colored Markings of the base body possible, so that the use of different Support discs can be color-coded in a simple manner and thus confusion can be avoided.
  • the material of the covering of the support disks according to the invention even possible that, for example, an anodized layer even after application the covering of the support disc can be applied. Through the for example anodized layer, i. H. the anodizing of the support disc too with its covering, the covering is not attacked and its effect is not reduced. The anodizing can be done after finishing the support disc respectively.
  • Support discs according to the invention with an outer diameter between 50 and 80 mm have been used for the storage of spinning rotors proven to be particularly good.
  • the contact surface between the lining and the rotor shaft advantageously has a width between 4 and 12 mm. This is sufficient to one hand a largely slip-free rolling process of the rotor shaft on the To effect support disks and on the other hand the rolling resistance as possible to keep low.
  • a value of approximately 2 mm has been found to be special as the minimum width of a covering proven advantageous. With this value it is even possible a direct attachment of the covering to the circumference of the base body without to make lateral contact between the base body and the covering. It is sufficient here, in particular for an aluminum body Liability of the covering according to the invention given. Also are the 2 mm is sufficient to prevent the covering from buckling to the side.
  • FIG. 1 shows a schematic diagram of a bearing 1 for an open-end spinning rotor 2, as used as standard on open-end spinning machines is coming.
  • the storage 1 consists essentially of a bearing block 11, which supports the support disc bearings 12.
  • the support disc bearings 12 each store a shaft 13, which in turn at each of its ends via a press connection is connected to a support disc 14.
  • the support disks 14 each form two Support disc pairs so that two wedge gaps 141 are formed.
  • the support washers 14 carry the rotor shaft 21 of the open-end spinning rotor 2. Will the open-end spinning rotor 2, for example via a tangential belt (not shown) driven, it rolls in the wedge gaps 141 on the support disks 14 from. This causes them to rotate.
  • the support disks 14 are provided with a cleaning groove 3, which during rotation of the support discs 14 moves with its edges 31 along the line of contact of the rotor shaft.
  • the cleaning groove 3 is introduced into the covering 143 in the form of an endless groove. Since the discharge of the rotor shaft 21 on the support disks 14 is not is slip-free, it is ensured that the edge 31 every point of the rotor shaft reached and cleans it of deposits.
  • the shafts 13, which receive and support the support disks, are mutually not parallel, but skewed, so that on the rotor shaft 21 an axial thrust is exerted by the support disks.
  • This is supported in a known manner from an axial bearing 101.
  • This can, for example be designed as a thrust bearing, or as in the exemplary embodiment of FIG. 1 indicated, in the form of an aerostatic thrust bearing.
  • This proof is required around the slip between the tangential belt and the rotor shaft 21 keep small, so that the rotor shaft 21 and with it that of this mounted open-end spinning rotor 2 driven largely lossless can be.
  • This contact pressure must be from the pad 143 of each support disc 14 are included. In that the support discs rotate and the rotor shaft 21 rolls on it, the pad 143 is a changing Exerted pressure force, which claims the pad 143. The strain due to the changing pressure force, the covering 143 heats up, and thus to a thermal load.
  • the support disk 14 shown in section in FIG. 2 has a cleaning groove 3 in the pad 143. This forms the tread on its outer circumference 144 on which the rotor shaft 21 rolls.
  • the support disk 14 consists of a base body 5, for example made of aluminum, as an injection molded part can be formed, or also consists of plastic.
  • the support disc 14 has a bore 51 in its center through which it bears on the shaft 13 a support disc bearing 12 are attached by means of an interference fit can (see Figure 1).
  • the outer circumference of the base body 5 in particular, cannot shown type, for example V-shaped or hammer-shaped, thus ensuring better adhesion between base body 5 and pad 143 can be.
  • the base body 5 designed so that in the area of a groove in the covering 143, here the cleaning groove 3, there is a sufficient thickness of the covering 143.
  • This liability is in a trained according to the invention Support disc much higher than with support discs of the state of Technology in which the pad 143 is made of polyurethane.
  • the invention Rubber cover has a much higher inherent Adhesive force on the base body as coverings of the prior art.
  • the rubber support disc covering according to the invention tends less cavities, which further improves its adhesive force.
  • a covering 143 of the support disk 14 made of rubber, in particular of nitrile rubber, allows covering 143 as a thin layer on the outer circumference to apply the base body 5.
  • the support disc 14 shown in Figure 3, the representation of which is also in Cut has a base body 5, which has a flat, cylindrical Has area on the circumference on which the rubber covering 143 is applied according to the invention. Due to the special physical Properties of the rubber, especially its favorable adhesive strength, the if necessary, through adhesion promoters and / or roughening the contact surface can still be significantly improved, it is possible without one on the outer circumference profiled base body 5, a secure connection between cover 143 and base body 5.
  • the covering 143 used in FIG. 3 has a center over the circumference extending groove 30, the task of a cooling groove for cooling the Has 143. Such grooves used for cooling are in the prior art Technology common.
  • the support disk covering material a further embodiment of the support disk covering, in particular the tread 144, since the covering 143 according to the invention is more resistant, i.e. is more wear resistant. For example, this can result in narrower support disks are used, which advantageously makes the bearing smaller and has a lower mass. Also an advantageous reduction in diameter the support washers is due to the material of the invention now possible for the tread.
  • FIG. 4 shows various exemplary embodiments of one in each case according to the invention Support disc shown.
  • the embodiment a shows a groove 30 in a covering 143, which almost touches the base body 5 (dashed line).
  • a particularly stable design is created on its inner circumference, because there is a two-piece covering on the outside at its fastening point mutually supportive.
  • FIG. 4b shows a support disk 14 which has two grooves 30 in its Has circumference. As a result, there are three support surfaces for the rotor shaft created by the covering 143.
  • FIG. 4c three grooves 30 are arranged in the support disk covering 143. As shown in the section in FIG. 4c, the outer two are sufficient of the grooves 30 less deep into the covering thickness than the middle, third groove it does.
  • the middle groove 30 is as close as shown in Figure 4a cut the base body 5 into the covering 143.
  • Figure 4d shows cleaning grooves 3 which are inclined in the axial direction in the Pad 143 are arranged. This creates an axial force on the pollution of the rotor shaft, whereby this is gradually released and the rotor shaft is kept almost free of dirt in this area.
  • a support disc 14 which consists of two linings 143 exists. Each of these pads 143 is without contact with the other Cover 143 attached to the base body 5 of the support plate 14. Through the The peculiarity of the material of the covering 143 is particularly good adhesion in this version, in which no or only a small side Contact with the base body 5 of the support disk 14 is sufficient.
  • a support disk bearing designed according to the invention is general less sensitive to manufacturing and assembly tolerances and enables thereby cheaper production. For example possible without subsequent machining of the support disc cover spray on. Only the peripheral surface is for fine machining to edit.
  • the rubber naturally has a lower electrical resistance in comparison to the supporting disc covering of supporting discs of the stand of the technique.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Rotational Drive Of Disk (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
EP01108550A 2000-04-13 2001-04-05 Disque de support comportant une couche en caoutchouc pour un palier à disques supportant un rotor à filature Expired - Lifetime EP1146152B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10018440A DE10018440A1 (de) 2000-04-13 2000-04-13 Stützscheibe für eine Stützscheibenlagerung für Spinnrotoren
DE10018440 2000-04-13

Publications (2)

Publication Number Publication Date
EP1146152A1 true EP1146152A1 (fr) 2001-10-17
EP1146152B1 EP1146152B1 (fr) 2004-12-29

Family

ID=7638681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01108550A Expired - Lifetime EP1146152B1 (fr) 2000-04-13 2001-04-05 Disque de support comportant une couche en caoutchouc pour un palier à disques supportant un rotor à filature

Country Status (4)

Country Link
US (1) US6688775B2 (fr)
EP (1) EP1146152B1 (fr)
AT (1) ATE286161T1 (fr)
DE (2) DE10018440A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1327707A1 (fr) * 2002-01-10 2003-07-16 Rieter Ingolstadt Spinnereimaschinenbau AG Corps de base pour disque de support du palier d'un rotor OE
DE10230171A1 (de) * 2002-02-08 2003-08-21 Rieter Ingolstadt Spinnerei Stützscheibe für die Lagerung eins Offenend-Spinnrotors
CN103398094A (zh) * 2013-07-26 2013-11-20 苏州天华有色金属制品有限公司 一种具有双向圆形滑槽的圆盘
CN103518009A (zh) * 2012-05-09 2014-01-15 后藤义一 自由端精纺机的转子轴支撑盘
WO2017194433A1 (fr) * 2016-05-13 2017-11-16 Rieter Ingolstadt Gmbh Rotor de filage pour un dispositif de filage à sortie ouverte, pourvu d'un revêtement à coefficient de frottement augmenté d'un matériau élastomère et dispositif de filage à sortie ouverte

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6332893B1 (en) * 1997-12-17 2001-12-25 Myocor, Inc. Valve to myocardium tension members device and method
DE10237007A1 (de) * 2001-11-29 2003-06-12 Rieter Ingolstadt Spinnerei Stützscheibe und Lagerung für einen Spinnrotor
DE102012014660A1 (de) * 2012-07-24 2014-01-30 Saurer Germany Gmbh & Co. Kg Stützscheibenlagerung für eine Offenend-Spinneinrichtung
DE102015104491A1 (de) 2015-03-25 2016-09-29 Rieter Ingolstadt Gmbh Spinnrotor mit einem Laufbelag, Stützscheibe zur Lagerung eines Spinnrotors sowie Offenendspinnvorrichtung mit einem Spinnrotor und einer Lagervorrichtung mit Stützscheiben

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4227489A1 (de) * 1992-08-20 1994-03-10 Schurr Stahlecker & Grill Stützscheibe für eine Stützscheibenlagerung für OE-Spinnrotoren
DE19824286A1 (de) * 1998-05-29 1999-12-02 Rieter Ingolstadt Spinnerei Lagerung für einen Offenend-Spinnrotor mittels Stützscheiben

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3324129A1 (de) 1983-07-05 1985-01-17 Fritz 7347 Bad Überkingen Stahlecker Lagerung und antrieb fuer einen spinnrotor einer offenend-spinnvorrichtung
DE3342768A1 (de) * 1983-11-25 1985-06-05 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Stuetzscheibenlager
US5178473A (en) 1983-11-25 1993-01-12 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Supporting-disk bearing
DE3615777A1 (de) * 1986-05-10 1987-11-12 Stahlecker Fritz Stuetzscheibe fuer eine stuetzscheibenlagerung eines oe-spinnrotors
US4892422A (en) * 1988-08-01 1990-01-09 American Suessen Corporation Support assembly for the rotor of an open end yarn spinning apparatus
DE3826851C2 (de) * 1988-08-06 1996-01-11 Stahlecker Fritz Stützscheibe für eine Stützscheibenlagerung von OE-Spinnrotoren
US4893946A (en) * 1989-05-15 1990-01-16 Amkor Industries, Inc. Roller for spinning frame
DE4121387C2 (de) * 1991-06-28 2000-12-14 Schlafhorst & Co W Stützscheibenlagerung einer Rotorspinneinrichtung
DE19712916A1 (de) * 1997-03-27 1998-10-01 Novibra Gmbh Stützscheibe für eine Stützscheibenlagerung von OE-Spinnrotoren
DE19845237A1 (de) * 1998-10-01 2000-04-06 Schlafhorst & Co W Stützscheibe einer Rotorspinneinrichtung
DE19908922B4 (de) 1999-03-02 2007-04-19 Carl Freudenberg Kg Stützscheibe für die Lagerung eines Rotors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4227489A1 (de) * 1992-08-20 1994-03-10 Schurr Stahlecker & Grill Stützscheibe für eine Stützscheibenlagerung für OE-Spinnrotoren
DE19824286A1 (de) * 1998-05-29 1999-12-02 Rieter Ingolstadt Spinnerei Lagerung für einen Offenend-Spinnrotor mittels Stützscheiben

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
J.WEIR & R.C. BERKEY: "Carboxylierter Nitrilkautschuk-Eigenschaften und Anwendung", GUMMI.ASBEST.KUNSTSTOFFE, vol. 36, no. 6, 1983, Stuttgart,Deutschland, pages 268 - 274, XP002173274 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1327707A1 (fr) * 2002-01-10 2003-07-16 Rieter Ingolstadt Spinnereimaschinenbau AG Corps de base pour disque de support du palier d'un rotor OE
DE10230171A1 (de) * 2002-02-08 2003-08-21 Rieter Ingolstadt Spinnerei Stützscheibe für die Lagerung eins Offenend-Spinnrotors
CN103518009A (zh) * 2012-05-09 2014-01-15 后藤义一 自由端精纺机的转子轴支撑盘
CN103518009B (zh) * 2012-05-09 2016-02-03 后藤义一 自由端精纺机的转子轴支撑盘
CN103398094A (zh) * 2013-07-26 2013-11-20 苏州天华有色金属制品有限公司 一种具有双向圆形滑槽的圆盘
WO2017194433A1 (fr) * 2016-05-13 2017-11-16 Rieter Ingolstadt Gmbh Rotor de filage pour un dispositif de filage à sortie ouverte, pourvu d'un revêtement à coefficient de frottement augmenté d'un matériau élastomère et dispositif de filage à sortie ouverte

Also Published As

Publication number Publication date
DE10018440A1 (de) 2001-10-18
US20020025094A1 (en) 2002-02-28
DE50104923D1 (de) 2005-02-03
US6688775B2 (en) 2004-02-10
ATE286161T1 (de) 2005-01-15
EP1146152B1 (fr) 2004-12-29

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