EP2358931A1 - Upper roller for a drawer - Google Patents
Upper roller for a drawerInfo
- Publication number
- EP2358931A1 EP2358931A1 EP09737377A EP09737377A EP2358931A1 EP 2358931 A1 EP2358931 A1 EP 2358931A1 EP 09737377 A EP09737377 A EP 09737377A EP 09737377 A EP09737377 A EP 09737377A EP 2358931 A1 EP2358931 A1 EP 2358931A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- top roller
- bearing pin
- outer ring
- roller
- 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
- 239000011295 pitch Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/74—Rollers or roller bearings
Definitions
- the present invention relates to a top roller for a drafting system comprising a Achssch Sea and two journal bearing with bearing pins which are arranged on opposite sides in Achsstoff Anlagen and on the free end of each at least one rolling bearing is arranged, which serves to support an outer ring. Furthermore, the invention relates to a method for producing and assembling a top roller.
- a top roller of the type mentioned is known from German Patent Application DE 20 61 433 Al or DE 20 61 434 Al.
- DE 20 61 433 A1 and DE 20 61 434 Al describes a top roller having a tubular center piece, are secured in the journal bearing by means of two separate plug-in axles.
- the Achsstoff scholar is made of a pipe section by chipless deformation.
- top rollers are so far used only for special designs of top rollers, for example, if the bearing outer diameter is to be only slightly larger than the axle diameter, with a small radial installation space as large as possible Cross section of the rubber cover can apply. With double-sided bearing seals, individual seal types are required. This individual design of the top rollers is not suitable for use with a large variety of types.
- Object of the present invention is to simplify a top roller for a drafting system such that the production and the assembly of the upper roll can be standardized and automated.
- the simplified and adapted design of the axle center piece is such that all the variation features of the pitch and saddle shape are integrated into a drafting in the Achsstoff scholar, which allows the flexible and versatile use of different types drafting without there being an exchange or an adjustment of the bearing pin in the manufacture and the assembly of the top roller needs.
- the two-sided holes in the Achssch Swiss published for pressing the bearing pin can always have a uniform depth. This results in an always equal pressing stroke for the pressing of the bearing pin in the holes of the axle center piece.
- the diameter of the axle middle piece at the ends can always correspond to the largest occurring diameter of the axle middle piece.
- the largest occurring diameter of the Achsstoff Anlagenes in the overlap region of the axle middle piece and the outer ring is minimized.
- the diameter and length of the stepped center axle portions used to insert the upper roll into the saddle of the upper roll support and loading arm may vary according to the diameters and widths of the various types of saddle shapes.
- the transitions of the diameter gradations should be formed uniformly on the axle center piece.
- the above-listed developments of the top roller serve to make the top rollers constructive so that they can be produced in a large number of variants with high flexibility with a few, usable for all types of drafting common parts and with the lowest possible set-up, processing and assembly costs.
- the axle center piece according to the invention always has the largest occurring diameter of the entire type spectrum as a standard diameter, independently of the variant, at least in the overlap area with the bearing bolt.
- the Achsstoff published for type-specific saddle shapes according to diameter and width in the middle position those Center piece sections, which interact with specific arms and Oberriemchenhaltern the various drafting.
- the bearing bolts may have a unit length regardless of the axle center used.
- the bearing pin In conjunction with the uniform depth of the holes in the axle center piece, the bearing pin always has the same press fit length. In this way, the ummrüstaufwand during production and especially during assembly for the entire variety of types of top rollers is reduced.
- the Einpresshub for the bearing pin is always the same, so that in a division-related change only on one side of the assembly system, the press unit must be moved according to the changed pitch.
- the bearing bolts have a uniform diameter. This simplifies the production in that that the rod-shaped starting material for all bearing pins, regardless of the design of the top roller for a certain drafting types always the same dimensions.
- the offset can always correspond to at least 1.5 times the outer diameter of the bearing pin.
- the determination of this value has proved to be particularly advantageous for the various axle center pieces that are used, as far as the stability of the connection of the bearing pin and axle center piece is concerned.
- the bearing pin and the outer ring may each have spherical WälzSystemlaufbahnen which are arranged symmetrically to the radial center plane of the outer ring.
- the board heights of WälzSystemlaufbahnen the bearing pin and the outer ring should be between 5% and 15% of the WälzSystem tomessers.
- the surfaces of the bearing bolts, with the exception of the WälzSystemonnebahnen can be carried out ungraded. This contributes to the simplification of the manufacturing process of the bearing bolt, since this does not have to be surface-treated with the exception of the grooves for the WälzSystemlaufbahnen.
- a sealing lip and a lid are provided in the journal bearing, with which the at least one roller bearing is sealed against the environment.
- the sealing lip and the Lids have the same outer diameter and the same outer contour.
- the outer bearing may have on its side facing the bearing pin radial recesses, which serve to attach the sealing lip or the lid.
- the Achsstoff is provided with a different pitches and / or saddle shapes adapted to this middle section, while the end-side portions of the Achsstofferies, which serve to accommodate the bearing pin, with respect their outer diameter and the bore depth are performed standardized, all storage facilities required for storage are arranged on the bearing pin, so that when assembling the top roller selection of Achsstoff Swisses to adapt to different pitches and / or saddle forms regardless of the bearing pin used with roller bearing and outer ring can be carried out.
- Fig. 1 is a schematic longitudinal sectional view of a tube roll with a short pitch
- Fig. 2 is a schematic longitudinal sectional view of a pipe roll with a large pitch
- FIG. 3 is a schematic view of a journal bearing according to FIG. 1.
- a top roller 1 is shown in a schematic representation, comprising an axle center piece 2 and two journal bearing 3.
- the respective journal bearing 3 has a bearing pin 4, with which the journal bearing 3 can be pressed into a bore 5 in the axle center piece 2, and at least one roller bearing 6, which serves to support an outer ring 7.
- two rolling bearings comprising rolling elements 6 and cages 14 are arranged on the free end of the bearing pin 4.
- a sealing lip 8 is provided on the side facing the axle center piece 2, while a closed cover 9 is arranged on the side facing away from the axle center piece 2.
- a supply of lubricant between the rolling bearings 6 may be provided in the interior of the journal bearing 3.
- the attachment of the lid 9 and the sealing lip 8 on the journal bearing 3 is effected by introduced on the inside of the outer ring 7 radial recesses 11 into which the lid 9 and the sealing lip 8 engage.
- the sealing lip 8 is cylindrical and has a U-shaped cross-section, so that the sealing lip 8 rests on both the inside of the outer ring 7 and on the surface of the axle center piece 2 extending in the axial direction, as shown in Fig. 1.
- the Achsstoff Kunststoff 2 according to FIG. 1 has a central portion 10 which in its axial extent Sl with specific handlebars or Obermiemchenhaltern of drafting systems corresponds.
- the axle center piece 2 In the overlap area of the axle center piece 2 and the journal bearing 3, the axle center piece 2 has a section which always has the largest occurring diameter D independently of the variation of the center section 10 for the different saddle shapes and pitches and which is standardized for all axle center pieces 2.
- the Achsstofffeld choir 2 optionally has a coating as corrosion and wear protection.
- the preparation of the Achsstoff Kunststoffes 2 is preferably carried out at larger pitches equal to or greater than 80 mm of a rod material with tolerancesgenauem diameter, which corresponds to the standardized diameter D of the axle center piece 2 in the overlap area.
- the axle center piece 2 can optionally be produced from a tube with standardized outside diameter, which is reworked only in the areas with narrow dimensional tolerances, such as in the bores 5 for receiving the bearing pin 4 having a uniform length.
- the preparation of the Achsstoff Kunststoffes 2 and the mounting of the journal bearing 3 to this is simplified in that the bore depth B of the bore 5 is unified, whereby the offset B of the bearing pin 4 in the axle center piece 2 regardless of the dimensions of the outer ring 7 is always the same.
- Fig. 2 shows a top roller 1 'with a greater pitch than in Fig. 1.
- the structure is identical to the embodiment of the upper roller 1 shown in Fig. 1.
- the difference between the upper roller 1 of FIG. 1 and the upper roller 1' according to Fig. 2 consists only in the length of the axle center piece 2 ', in particular in the axial extent S2 of the central portion 10 'of the top roller 1', which corresponds to the adaptation to a different pitch and / or saddle shape of another drafting or drafting system types, as well as the longer design of the outer ring 7 '.
- the press-in depth B is also identical here to the variant described in FIG.
- the bearing pin 4 has a uniform length L and a uniform diameter d.
- the length L and the uniform diameter d of the bearing pin 4 are the same for all axle center pieces 2, 2 'regardless of their axial extent Sl, S2.
- the bearing pin 4 is carried out ungraded and has only two spherical, ground in the full raceways 12, which serve to guide the rolling elements 6.
- the outer ring 7 on its inside spherical tracks 14.
- radial recesses 11 are introduced into the inside of the outer ring 7, as already stated, which serve for the arrangement of the sealing means.
- the outer ring 7 has a straight, unstretched inner surface.
- the outer ring 7 is designed to be completely symmetrical with respect to its center plane M, so that no oriented feed during assembly is required.
- the heights of the raceways 12, 14 of the bearing pin 4 and the outer ring 7 are in a range of 5% -15% of WälzSystem tomessers 6.
- the arrangement of the raceways 12, 14 on the bearing pin 4 and the outer ring 7 is selected such that the bearing pin 4 on the lid 9 side facing a maximum projection, which corresponds to 0.25 times the diameter d of the bearing pin 4, while on the sealing lip 8 side facing the supernatant at least 1.5 times the diameter d of the bearing pin 4 corresponds.
- the symmetrical shape of the outer ring 7 and the bearing pin. 4 ensure a very simple and safe supply of parts in the production and assembly process. In particular, their straight shapes and smooth surfaces reduce the risk that dirt and chips from the assembly preceding manufacturing steps adhere and favor the cleaning process at the end of parts manufacturing.
- journal bearing 3 The construction and the design of the journal bearing 3 are such that the required storage facilities are integrated into the journal bearing 3.
- Achssch choir 2 is designed exclusively so that the top roller 1 in their manufacture and assembly only by the replacement of the axle center piece 2, 2 'to different pitches and / or saddle shapes of a top roller support and loading arm is customizable.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008057155A DE102008057155A1 (en) | 2008-11-13 | 2008-11-13 | Top roller for a drafting system |
PCT/EP2009/007551 WO2010054742A1 (en) | 2008-11-13 | 2009-10-22 | Upper roller for a drawer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2358931A1 true EP2358931A1 (en) | 2011-08-24 |
EP2358931B1 EP2358931B1 (en) | 2020-01-15 |
Family
ID=41818882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09737377.3A Active EP2358931B1 (en) | 2008-11-13 | 2009-10-22 | Upper roller for a drafting unit |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2358931B1 (en) |
JP (1) | JP5575141B2 (en) |
CN (1) | CN102209807B (en) |
DE (1) | DE102008057155A1 (en) |
ES (1) | ES2773004T3 (en) |
RU (1) | RU2553571C9 (en) |
TW (1) | TWI548791B (en) |
WO (1) | WO2010054742A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015113551A (en) | 2013-12-13 | 2015-06-22 | 村田機械株式会社 | Inner cylinder of draft roller, roller part of draft roller, draft roller, draft machine, and air spinning machine |
CN104313738A (en) * | 2014-10-14 | 2015-01-28 | 周盈裕 | Improved pulling roller for textile use |
CN110804776B (en) * | 2019-11-13 | 2021-06-18 | 杭州诚天旺丝绸有限公司 | Improved generation weaving roller |
CN113388931B (en) * | 2021-06-03 | 2022-07-01 | 东台市润生纺机专件有限公司 | High-precision cotton spinning roving frame roller |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2251031A (en) * | 1940-07-22 | 1941-07-29 | Whitin Machine Works | Drawing roll coupling |
US2601134A (en) * | 1949-01-10 | 1952-06-17 | Albert M Guillet | Interchangeable roller neck for textile fluted rolls |
NL78219C (en) * | 1950-05-30 | |||
SU97130A1 (en) * | 1951-12-26 | 1953-11-30 | А.С. Великовский | Stretcher for studying fiber drawing process |
DE2061434A1 (en) | 1970-12-14 | 1972-06-22 | Spindelfabnk Sussen, Schurr, Stahlecker & Grill GmbH, 7334 Sussen | Draw rollers with sleeve between outer rings to support - elastic cladding material |
DE2061433A1 (en) | 1970-12-14 | 1972-06-22 | Spindelfabnk Sussen, Schurr, Stahlecker & Grill GmbH, 7334 Sussen | Common bearing ring - with inner profiles to hold bearing races used in spinning unit draw frame |
DE2140800C3 (en) * | 1971-08-14 | 1980-10-16 | Industriewerk Schaeffler Ohg, 8522 Herzogenaurach | Loose roller for drafting systems of spinning machines |
DE2148253C3 (en) * | 1971-09-28 | 1980-05-29 | Industriewerk Schaeffler Ohg, 8522 Herzogenaurach | Upper roller twin for drafting systems on spinning machines |
JPS52135628U (en) * | 1976-04-10 | 1977-10-15 | ||
JPS52158123U (en) * | 1976-05-20 | 1977-12-01 | ||
DE3920020A1 (en) * | 1989-03-07 | 1990-09-13 | Fritz Stahlecker | STRETCHER FOR A SPINNING MACHINE |
JP3438584B2 (en) * | 1998-05-08 | 2003-08-18 | 株式会社豊田自動織機 | Top apron cradle in spinning machine |
DE19907905C2 (en) * | 1999-02-24 | 2002-06-20 | Skf Textilmasch Komponenten | Roller for apron drafting systems |
CN2741994Y (en) * | 2004-07-22 | 2005-11-23 | 陈兆南 | Top roller bearing of spinning machine double roll path |
JP4278679B2 (en) * | 2006-12-26 | 2009-06-17 | ジヤトコ株式会社 | Planetary gear set |
-
2008
- 2008-11-13 DE DE102008057155A patent/DE102008057155A1/en active Pending
-
2009
- 2009-10-22 ES ES09737377T patent/ES2773004T3/en active Active
- 2009-10-22 JP JP2011535895A patent/JP5575141B2/en active Active
- 2009-10-22 RU RU2011123670/12A patent/RU2553571C9/en active
- 2009-10-22 WO PCT/EP2009/007551 patent/WO2010054742A1/en active Application Filing
- 2009-10-22 CN CN2009801445508A patent/CN102209807B/en active Active
- 2009-10-22 EP EP09737377.3A patent/EP2358931B1/en active Active
- 2009-11-11 TW TW098138186A patent/TWI548791B/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2010054742A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102209807A (en) | 2011-10-05 |
JP5575141B2 (en) | 2014-08-20 |
RU2011123670A (en) | 2012-12-20 |
CN102209807B (en) | 2013-11-13 |
WO2010054742A1 (en) | 2010-05-20 |
EP2358931B1 (en) | 2020-01-15 |
RU2553571C2 (en) | 2015-06-20 |
TW201026916A (en) | 2010-07-16 |
DE102008057155A1 (en) | 2010-05-20 |
JP2012508828A (en) | 2012-04-12 |
ES2773004T3 (en) | 2020-07-09 |
RU2553571C9 (en) | 2016-01-20 |
TWI548791B (en) | 2016-09-11 |
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