EP2547812B1 - Streckwerk mit führungstisch für ein führungsriemchen - Google Patents

Streckwerk mit führungstisch für ein führungsriemchen Download PDF

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Publication number
EP2547812B1
EP2547812B1 EP11708030.9A EP11708030A EP2547812B1 EP 2547812 B1 EP2547812 B1 EP 2547812B1 EP 11708030 A EP11708030 A EP 11708030A EP 2547812 B1 EP2547812 B1 EP 2547812B1
Authority
EP
European Patent Office
Prior art keywords
bottom roller
guide
guiding
bearing block
drafting
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.)
Active
Application number
EP11708030.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2547812A1 (de
Inventor
Gernot SCHÄFFLER
Manfred Bauer
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP2547812A1 publication Critical patent/EP2547812A1/de
Application granted granted Critical
Publication of EP2547812B1 publication Critical patent/EP2547812B1/de
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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
    • D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
    • D01H5/88—Cradles; Tensors
    • 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
    • D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons

Definitions

  • the invention relates to a drafting system for warping a fiber structure of a workstation of a textile machine with two successively arranged in the transport direction of roller pairs, each containing a drivable lower roller, wherein the first lower roller in the transport direction is associated with a ceremoniessriemchen that this lower roller and one between the first and the second Sub-roller arranged guide table wraps around.
  • a drafting system of this kind is from the DE 10 2005 045 876 A1 known.
  • a designated as "deflection" guide table is attached to a fixed frame part of the drafting system.
  • the lower rollers are stored as part of the drafting system.
  • the guide table is changeable in position with respect to the bottom rollers so that the tension of the bottom apron can be adjusted.
  • the DE 700 601 C1 discloses a drafting system which is opened in the longitudinal direction of a punch.
  • the guide strap is tensioned with a spring independent of the bearing.
  • the invention has for its object to improve the drafting and the uniformity of the warped fiber structure.
  • the object is achieved with the drafting device of the type mentioned above in that the first lower roller is mounted in a bearing slide displaceable in the transport direction and the second lower roller in a bearing block, and that the guide table is fixed to the bearing block of the second lower roller.
  • the drafting device according to the invention has the advantage that the position of the guide table is fixed with respect to the second lower roller and can not change.
  • the position of the guide table can be set with very small tolerances. The Unterriemchen can thereby pass very close to the lower roller.
  • a worn guide strap must be replaced.
  • the new thoroughlysriemchen is tense by the fact that the bearing carriage of the first Lower roller is moved with a defined force against the transport direction.
  • the displacement of the bearing carriage can compensate for the manufacturing tolerances of the circumferential length of the réellesriemchens.
  • the guide table remains in the same position, so that the gap between the new guide apron and the lower roller is again exactly as small as before. This is a significant advantage.
  • the frame may be a single frame for a single drafting system or a common frame for a plurality of adjacent drafting systems.
  • the bearing block and the bearing carriage are each a component with a receptacle for a bearing for mounting the respective lower roller.
  • the bearing carriage is displaceable along a linear guide, for example a rail.
  • the linear guide is preferably fixed stationarily on the frame.
  • the bearing carriage can be fixed for example with one or more screws on the frame. By assigning the screw a slot or a groove, a displacement possibility of the bearing carriage can be realized.
  • the bearing block is preferably stationary mounted on the frame or integrated into the frame, especially when it is in the bearing block mounted in the lower roller to the output lower roller of the drafting system.
  • the position of the bearing block is adjustable together with the guide table with respect to the frame or an air nozzle assembly arranged downstream of the output roller pair.
  • An adjustable position of the bearing block is also advantageous if the lower roller mounted in the bearing block is arranged downstream of a further lower roller.
  • the drafting arrangement according to the invention is a single drafting arrangement which can be driven separately for a single workstation of a textile machine. It is preferred that the first lower roller in the bearing carriage and the second lower roller are mounted in the bearing block flying.
  • the drafting system is particularly suitable for a high-speed spinning machine, for example an air-spinning machine, or a machine for spinning knitting, in which the fiber structure supplied by the drafting system is fed directly to a knitting device.
  • the clamping device can preferably be formed by a pressure spring arranged between the bearing carriage and the bearing block.
  • the fastenings of the bearing carriage need only be easily solved and the bearing carriage is moved so far by the clamping device that the guide strap has the desired voltage.
  • the guide table contains an exchangeable element which is exchangeable to adapt the guide geometry of the ceremoniessriemchens in the draft zone.
  • the guide table advantageously has a receptacle for the replaceable element.
  • the receptacle is preferably U-shaped, T-shaped or dovetailed to ensure good positioning of the replaceable element.
  • the replaceable element may have different geometries that cause an altered Riemchenlauf in the draft zone.
  • the drafting system can be adapted to the type of fiber structure to be distorted.
  • Different replaceable elements are advantageously designed so that the distance between the ceremoniessriemchens to the surface of the second lower roller does not change, so that the flow conditions do not change even when replacing the replaceable element.
  • the drafting system 1 contains two pairs of rollers 2 and 3, each consisting of a lower and a top roller.
  • the drafting system 1 may comprise further pairs of rollers, not shown, upstream of the roller pair 2 and / or downstream of the roller pair 3.
  • the pair of rollers 2 consists of a bottom roller 4 and a top roller 5.
  • the pair of rollers 3 consists of a bottom roller 6 and a top roller 7, which has a reference from a rubber-elastic material in a conventional manner.
  • the upper rollers 5, 7 are pressed by a loading device, not shown, to the lower rollers 4, 6.
  • the rollers 4, 5 are looped through in each case a suitssriemchen 8, 9.
  • the Unterriemchen 8 also wraps around a guide table 10.
  • the Oberriemchen 9 is guided by a Oberriemchenhimfig 11.
  • the lower rollers 4, 6 are each connected to a drive 12, 13 and thereby drivable, as in FIG. 2 is indicated schematically.
  • a fiber structure 14 to be pulled from staple fibers is fed in the transport direction A to the first pair of rollers 2.
  • the second pair of rollers 3 rotates at a substantially higher peripheral speed than the first pair of rollers 2.
  • the fiber structure 14 is warped to a lower fineness.
  • the fiber structure 14 is completely warped on the nip line 15 of the second pair of rollers 3 and is fed to an air jet unit 16, which gives the fiber structure 14 its spin rotation.
  • the finished yarn is wound after the air jet unit in a manner not shown.
  • the drives 12, 13 are separately controllable, so that delay and delivery speed of the fiber structure 14 can be varied independently of other jobs.
  • the lower roller 6 generates by its rotation in the direction of arrow B, a drag flow that promotes air in the wedge gap in front of the nip 15.
  • the fiber structure 14 to be distorted is unguided and very sensitive in this area when it has left the guide straps 8, 9 and is not yet held in the nip 15.
  • the guide table 10 is therefore arranged so that the guide belt 8 is guided as close as possible to the surface of the lower roller 6 by its deflection edge 17.
  • the gap 18 between the matterssriemchen 8 and the lower roller 6 is less than 0.5 mm.
  • the drag flow is largely kept away from the fiber structure 14.
  • the lower rollers 4 and 6 are both cantilevered.
  • the lower roller 4 is mounted in a bearing carriage 19.
  • the bearing carriage 19 is seated on a punch or a frame 20 of the drafting system 1 and is displaceable in the transport direction A along a linear guide 30.
  • the linear guide 30 is formed by a rail on which the bearing carriage 19 is seated.
  • a screw 21 is provided for fixing the bearing carriage 19, a screw 21 is provided.
  • the screw 21 is associated with a slot or a groove 31.
  • the lower roller 6 is in a bearing block 22 mounted, which is also attached to the frame 20.
  • the guide table 10 is fixed to the bearing block 22. This ensures that the gap 18 is as small as possible, but without a contact between Unterriemchen 8 and lower roller 6 takes place. Due to the very high relative speed between bottom roller 6 and guide belt 8, the guide belt 8 would be destroyed extremely quickly if it would touch the bottom roller 6.
  • the guide table 10 contains an exchangeable element 23 which defines the guide geometry of the guide apron 8 in the zone of distortion and which also contains the deflection edge 17.
  • the guide table includes a U-shaped receptacle 24 for the replaceable element 23. It is ensured that the element 23 can be exchanged for another element with a different guide geometry in a very simple manner and that the new element 23 reliable and safe in its intended Position on the U-shaped receptacle 24 is positioned.
  • the deflection edge 17 whose position defines the size of the gap 18 always has the same distance from the surface of the lower roller 6.
  • the guide geometry in the draft zone can be changed without the risk that the fiber structure 14 is affected before the nip 15 by undefined air currents.
  • a tensioning device 25 for tensioning the guide belt 8 is arranged between the bearing carriage 19 and the bearing block 22.
  • the tensioning device 25 preferably consists of a compression spring, which is supported on the bearing block 22 and after a slight release of the screw 21 presses the bearing carriage 19 against the transport direction A, so that the guide strap 8 is tensioned with a defined force. So that no periodically fluctuating displacement movement of the bearing carriage 19 occurs in operation, the bearing carriage 19 is fixed firmly in operation by the screw 21 on the frame 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP11708030.9A 2010-03-16 2011-03-10 Streckwerk mit führungstisch für ein führungsriemchen Active EP2547812B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010011489A DE102010011489A1 (de) 2010-03-16 2010-03-16 Streckwerk mit Führungstisch für ein Führungsriemchen
PCT/EP2011/053624 WO2011113744A1 (de) 2010-03-16 2011-03-10 Streckwerk mit führungstisch für ein führungsriemchen

Publications (2)

Publication Number Publication Date
EP2547812A1 EP2547812A1 (de) 2013-01-23
EP2547812B1 true EP2547812B1 (de) 2016-05-11

Family

ID=43923088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11708030.9A Active EP2547812B1 (de) 2010-03-16 2011-03-10 Streckwerk mit führungstisch für ein führungsriemchen

Country Status (7)

Country Link
US (1) US8695169B2 (zh)
EP (1) EP2547812B1 (zh)
JP (1) JP5944838B2 (zh)
CN (1) CN102753742B (zh)
BR (1) BR112012015969A2 (zh)
DE (1) DE102010011489A1 (zh)
WO (1) WO2011113744A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109545863B (zh) * 2014-05-27 2021-09-14 迈可晟太阳能有限公司 叠盖式太阳能电池模块
DE102015109269A1 (de) * 2015-05-18 2016-11-24 Maschinenfabrik Rieter Ag Belastungsträger für Oberwalzen eines Streckwerks und Druckfeder
DE102019110880A1 (de) * 2019-04-26 2020-10-29 Saurer Intelligent Technology AG Trageinrichtung für ein Riemchenstreckwerk

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE700601C (de) * 1935-09-05 1940-12-24 Ernst Toenniessen Riemchenstreckwerk
DE3932614A1 (de) * 1988-09-29 1990-04-05 Murata Machinery Ltd Streckwerk
JPH03115674U (zh) * 1990-03-09 1991-11-29
DE4438946A1 (de) * 1994-10-31 1996-05-02 Zinser Textilmaschinen Gmbh Doppelriemchen-Streckwerk
DE102004053505A1 (de) * 2004-11-02 2006-05-04 Wilhelm Stahlecker Gmbh Verfahren zum Optimieren der Produktionsleistung einer Spinnmaschine

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB674142A (en) * 1949-05-04 1952-06-18 Howard & Bullough Ltd Improvements relating to the drafting apparatus of textile spinning and analogous machines
DE1123603B (de) 1957-06-29 1962-02-08 Rieter Joh Jacob & Cie Ag Zweiriemchen-Streckwerk fuer Spinnmaschinen mit Unterriemchen-Umlenkbruecke
DE1122885B (de) 1958-12-05 1962-01-25 Rieter Joh Jacob & Cie Ag Unterriemchenstreckwerk fuer Spinnmaschinen
DE1835763U (de) 1959-08-18 1961-07-27 Rieter Joh Jacob & Cie Ag Spanner fuer streckwerksriemchen.
US3031724A (en) * 1960-05-31 1962-05-01 Machinecraft Inc Top roll guides
JPS468490Y1 (zh) * 1965-06-10 1971-03-25
DE2310105B2 (de) 1973-03-01 1975-02-27 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Riemchenstreckwerk für Spinnereimaschinen
ES8603597A1 (es) * 1984-12-14 1985-11-16 Platt Saco Lowell Sa Perfeccionamientos en el control de las fibras en los sistemas de estirajede bolsas en las maquinas en el proceso de hilatura
DE3909421A1 (de) * 1989-03-22 1990-09-27 Stahlecker Fritz Streckwerk fuer eine spinnmaschine
JPH0448276U (zh) * 1990-08-28 1992-04-23
JPH04146222A (ja) * 1990-10-03 1992-05-20 Murata Mach Ltd 繊維機械の駆動方法
DE4122881C2 (de) 1991-07-11 2002-01-10 Schurr Stahlecker & Grill Riemchentisch für ein Streckwerk
DE4221154A1 (de) * 1992-06-27 1994-01-05 Fritz Stahlecker Zwei-Riemchen-Streckwerk für Spinnereimaschinen
DE4221157A1 (de) * 1992-06-27 1994-01-05 Fritz Stahlecker Zwei-Riemchen-Streckwerk mit wenigstens einem Faserbandführer
CN1087141A (zh) * 1992-11-19 1994-05-25 张振华 一种纺纱机牵伸装置
CN2152810Y (zh) * 1993-01-09 1994-01-12 无锡县西漳纺织机件厂 细纱机双短皮圈牵伸装置
DE19547462C2 (de) 1995-12-19 2002-07-18 Zinser Textilmaschinen Gmbh Streckwerk für Spinnereimaschinen
DE19652062A1 (de) * 1996-12-13 1998-06-18 Zinser Textilmaschinen Gmbh Spinnereimaschinen-Streckwerk
DE102005045876A1 (de) 2005-02-11 2006-08-24 Wilhelm Stahlecker Gmbh Unterriemchenführung für ein Doppelriemchenstreckwerk
DE102005008860A1 (de) * 2005-02-24 2006-08-31 Norbert Barauke Streckvorrichtung für Spinnmaschinen
DE102005027193A1 (de) * 2005-06-06 2006-12-07 Wilhelm Stahlecker Gmbh Zwillingseinheit mit zwei Streckwerken für eine Spinnmaschine
EP2034060A1 (de) * 2007-09-10 2009-03-11 Maschinenfabrik Rieter Ag Textilmaschine mit einem Streckwerk
JP2010001587A (ja) * 2008-06-20 2010-01-07 Murata Mach Ltd 紡績機及び紡績方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE700601C (de) * 1935-09-05 1940-12-24 Ernst Toenniessen Riemchenstreckwerk
DE3932614A1 (de) * 1988-09-29 1990-04-05 Murata Machinery Ltd Streckwerk
JPH03115674U (zh) * 1990-03-09 1991-11-29
DE4438946A1 (de) * 1994-10-31 1996-05-02 Zinser Textilmaschinen Gmbh Doppelriemchen-Streckwerk
DE102004053505A1 (de) * 2004-11-02 2006-05-04 Wilhelm Stahlecker Gmbh Verfahren zum Optimieren der Produktionsleistung einer Spinnmaschine

Also Published As

Publication number Publication date
WO2011113744A1 (de) 2011-09-22
BR112012015969A2 (pt) 2019-09-24
EP2547812A1 (de) 2013-01-23
US8695169B2 (en) 2014-04-15
JP2013522485A (ja) 2013-06-13
CN102753742B (zh) 2016-01-20
US20130000081A1 (en) 2013-01-03
CN102753742A (zh) 2012-10-24
JP5944838B2 (ja) 2016-07-05
DE102010011489A1 (de) 2011-09-22

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