EP3044355A1 - Tambour d'aspiration avec garniture d'étanchéité - Google Patents

Tambour d'aspiration avec garniture d'étanchéité

Info

Publication number
EP3044355A1
EP3044355A1 EP14777148.9A EP14777148A EP3044355A1 EP 3044355 A1 EP3044355 A1 EP 3044355A1 EP 14777148 A EP14777148 A EP 14777148A EP 3044355 A1 EP3044355 A1 EP 3044355A1
Authority
EP
European Patent Office
Prior art keywords
suction drum
suction
face
drive element
elevation
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
EP14777148.9A
Other languages
German (de)
English (en)
Other versions
EP3044355B1 (fr
Inventor
Ludek Malina
Robert Nägeli
Gabriel Schneider
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
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3044355A1 publication Critical patent/EP3044355A1/fr
Application granted granted Critical
Publication of EP3044355B1 publication Critical patent/EP3044355B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • D01H5/72—Fibre-condensing guides

Definitions

  • the compacted fiber material after passing through a nip, is fed to a swirl-generating device.
  • the swirl-generating device consists of z. Example, in a ring spinning machine from a rotor which rotates on a ring, wherein the yarn produced is wound on a rotating sleeve.
  • the suction drums are each assigned an annular drive element in the form of a friction wheel, which rests under the action of a compressive load with its circular inner surface partially on the circular peripheral surface of a arranged on the end face of the respective suction drum approach.
  • the rotational movement of the driven over the outer circumference friction wheel is transmitted via friction on the peripheral surface of the neck, which is connected to the suction drum.
  • the friction wheel is driven by a frictional engagement of the driven lower output roller of the drafting system.
  • the friction wheel is held in the axial direction on the neck in its position, wherein in the operating position between the end face of the suction drum and the friction wheel, an axial gap.
  • individual fibers can detach from the fiber material to be compacted and deposit on the circumference of the suction drum. These fibers can move in the direction of the end face of the suction drum and thereby pass into the axial gap between the end face of the suction drum and the friction wheel.
  • the movement of the fibers can be generated, for example, by the rotation of the suction drum or the air flow generated during the rotation of the suction drum. In this case, there is the danger that fibers which enter the axial gap will move as far as the outer circumference of the attachment and settle thereon.
  • the compression device can be operated without major maintenance.
  • the at least one increase in the suction drum has a height of 1-5 mm, wherein the height represents the axial extent of the increase starting from the end face of the suction drum in the direction of the approach.
  • FIG. 1 is a schematic side view of a spinning station of a ring spinning machine with a drafting unit and a subsequent compacting device
  • FIG. 4 shows a further embodiment of an inventive suction drum and drive element according to Figure 3
  • the respective suction drum 14 is rotatably mounted on a shaft 17 in the region of its outer end via a bearing K.
  • a locking ring 18 is mounted on the shaft 17, which prevents the axial displacement of the suction drum 14 during operation.
  • the shaft 17 is fixed in a receptacle 19 of the carrier 16.
  • the shaft 17 has a somewhat larger diameter in the region of the receptacle 19, while the ends of the shaft 17, which extend from this receptacle to both sides, have a tapered diameter and serve to accommodate the respective bearings K.
  • the respective suction drum 14 has on its end face 35, that is, at the end pointing away from the carrier 16, in each case an annular projection 13 with the outer diameter D1.
  • On a portion of the outer circumference AU of the projection 13 is a portion of the inner surface IF of an annular drive member 20, wherein the inside diameter of this inner surface IF has a diameter D2.
  • the drive element 20 is designed as a friction wheel.
  • the annular drive element is provided on its outer circumference with a toothing in the Engaging with a toothing of the output roller 7, wherein the drive element has a clear width with an inner surface IF, which rests on the flat outer surface AU of the projection 13, as shown in the example of Figure 2. That is, the first gear stage has a positive drive connection in this embodiment, while the second gear stage takes place via a frictional engagement.
  • a cover cap 21 is fixed, which projects beyond the inside diameter D2 of the friction wheel 20 with its outer diameter.
  • the end cap 21 is provided with an annular projection 40 which projects into the inside width of the annular projection 13 of the suction drum 14.
  • the outer dimension of the annular projection 40 is chosen so that it exerts a clamping action within the clear width of the projection 13 in the position shown in Figure 2.
  • the annular cap 40 may be provided with additional outwardly projecting cams, which engage for fixing the end cap 21 in circumferential recesses within the clear width of the projection 13.
  • a pinch roller 23 is provided for each of the suction drums 14, which rests on a pressure load on the respective suction drum 14 and forms a nip line P with this.
  • the respective pinch roller 23 is rotatably mounted on an axle 22 which is fixed to a bearing element 25 which is connected via screws 27 with a spring element 26.
  • the spring element 26, via which a pressing force of the pinch roller 23 is generated in the direction of the suction drum 14, is fastened to the carrier 16 via the screws 27, which are shown schematically.
  • the nip P at the same time forms a so-called "rotation blocking gap", from which the fiber material in the conveying direction FS in the form of a compressed yarn FK is supplied under rotation distribution of a ring spinning device 1 shown schematically.
  • a suction channel SK which has an opening S2 on the inner surface of the end piece of the carrier 16 and a further opening S1, which is arranged in the region of the receptacle 19 and communicates with the interior 29 of the respective suction insert 15.
  • the opening S2 is in the working position of an opening SR of the suction pipe 41 opposite, whereby the interior of the suction pipe 41 is connected to the suction channel SK.
  • the suction pipe 41 is connected via one or more connection channels 42 to a central main channel 43 connected.
  • This channel 43 is connected to a vacuum source SP in connection, which can be controlled via a control unit ST.
  • the end of the further supplied yarn, or yarn is supplied via the respective suction tube 30 under the action of the negative pressure generated via the vacuum source SP via the suction channel SK to the suction tube 30, which this via the channels or 42 for further Transfer to a collection point to the main channel 43 outputs.
  • the suction drum 14 has an anodized coating and is provided with running on its circumference perforations, or openings ⁇ .
  • the openings ⁇ form a single-row hole pattern.
  • a stationary mounted suction insert 15 is arranged, which has a suction slot S on a portion of its circumference.
  • the absorbent insert 15 is held on a support 16 ( Figure 2) in its built-in stationary position via holding means not shown in detail.
  • the suction drum 14 is rotatably mounted in the region of its outer end via a bearing K on a shaft 17, wherein the bearing K abuts against a stop 34 of the suction drum 14 and is mounted from the outer end of the suction drum 14.
  • a locking ring 18 is mounted on the shaft 17, which prevents the axial displacement of the suction drum 14 during operation. It is also possible that the suction drum 14 is rotatably mounted on the shaft 17 and the shaft 17 is rotatably mounted.
  • a transparent end cap 21 is fixed, which with its outer diameter, the clear width D2 of the friction wheel 20th surmounted.
  • the end cap 21 is provided with an annular projection 40 which projects into the inside width of the annular projection 13 of the suction drum 14.
  • the annular top 40 is provided with additional outwardly projecting cams, which engage in the circumferential width of the neck 13 for fixing the end cap 21 in circumferential recesses.
  • FIG. 4 shows a further embodiment of a suction drum 14 according to the invention with drive element 20.
  • the suction drum 14 is mounted as in the previous embodiment ( Figure 3) in the region of its outer end via a bearing K on a shaft 17.
  • a locking ring 18 is mounted on the shaft 17, which prevents the axial displacement of the suction drum 14 during operation.
  • the suction drum 14 is provided with running on its circumference 38 perforations, or openings ö.
  • a stationary mounted suction insert 5 is arranged, which has a suction slot S on a portion of its circumference.
  • the absorbent insert 15 is held on a support 16 ( Figure 2) in its built-in stationary position via holding means not shown in detail.
  • the suction drum 14 between the outer circumference AU of the projection 13 and the end face 35 of the suction drum 14 has a stepped shoulder 36.
  • the surface 39 of the step 36 directed radially outward from the axis of rotation A1 is configured in the shape of a cone, so that the outlet diameter DE (FIG. 5) of the shoulder 36 steadily decreases towards the end face 35 of the suction drum 14.
  • the friction wheel 20 is rotationally symmetrical and has on its two sides an annular groove 37,45 which extends radially outwardly from the inner surface IF of the friction wheel 20.
  • the groove 37, 45 is adapted to receive the shoulder 36. Due to the rotationally symmetrical design of
  • Friction wheel 20 a mis-assembly of the friction wheel 20 is avoided
  • the height H of paragraph 36 is between 1-5mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

L'invention concerne un tambour d'aspiration (14) monté à rotation d'un dispositif (VM) servant à comprimer une matière fibreuse (V) sur un métier à filer, comprenant un élément d'entraînement (20) de forme annulaire qui, en position de fonctionnement, repose par une zone partielle de sa surface intérieure (IF) sur une zone partielle d'une surface circonférentielle (AU) de forme circulaire d'une embase (13) qui s'étend de manière coaxiale par rapport à un axe de rotation (A1) du tambour d'aspiration (14) et qui est montée sur un côté frontal (35) du tambour d'aspiration (14). Pour éviter que les fibres qui se détachent de la matière fibreuse (V) se déposent entre la surface intérieure (IF) de l'élément d'entraînement (20) et la surface circonférentielle (AU) de l'embase (13), le tambour d'aspiration (14) possède au moins un relief périphérique (36) sur le côté frontal (35) où se trouve l'embase (13) et l'élément d'entraînement (20) possède au moins une cavité périphérique (37) sur le côté (46) dirigé vers le côté frontal (35) du tambour d'aspiration (14). Ledit bossage (36) fait saillie dans ladite cavité (37) et le bossage (36) et la cavité (37) forment ensemble une garniture d'étanchéité de type labyrinthe.
EP14777148.9A 2013-09-13 2014-09-01 Tambour d'aspiration avec garniture d'étanchéité Active EP3044355B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01572/13A CH708518A1 (de) 2013-09-13 2013-09-13 Saugtrommel einer Vorrichtung zum Verdichten eines Fasergutes mit einer Dichtung.
PCT/IB2014/001657 WO2015036821A1 (fr) 2013-09-13 2014-09-01 Tambour d'aspiration avec garniture d'étanchéité

Publications (2)

Publication Number Publication Date
EP3044355A1 true EP3044355A1 (fr) 2016-07-20
EP3044355B1 EP3044355B1 (fr) 2018-12-05

Family

ID=51627322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14777148.9A Active EP3044355B1 (fr) 2013-09-13 2014-09-01 Tambour d'aspiration avec garniture d'étanchéité

Country Status (7)

Country Link
US (1) US10132011B2 (fr)
EP (1) EP3044355B1 (fr)
JP (1) JP6479018B2 (fr)
CN (1) CN205662643U (fr)
CH (1) CH708518A1 (fr)
TR (1) TR201901714T4 (fr)
WO (1) WO2015036821A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH709312A1 (de) * 2014-02-27 2015-08-28 Rieter Ag Maschf Verdichtungsvorrichtung mit Saugtrommel.
CH711549A1 (en) * 2015-09-18 2017-03-31 Rieter Ag Maschf Cleaning device for a compacting device.
US11129906B1 (en) 2016-12-07 2021-09-28 David Gordon Bermudes Chimeric protein toxins for expression by therapeutic bacteria
USD1010028S1 (en) 2017-06-22 2024-01-02 Boost Treadmills, LLC Unweighting exercise treadmill
DE102019115218A1 (de) * 2019-06-05 2020-12-10 Maschinenfabrik Rieter Ag Verdichtungsvorrichtung für ein Streckwerk einer Spinnmaschine sowie Spinnmaschine
US11872433B2 (en) 2020-12-01 2024-01-16 Boost Treadmills, LLC Unweighting enclosure, system and method for an exercise device
US11883713B2 (en) 2021-10-12 2024-01-30 Boost Treadmills, LLC DAP system control and related devices and methods

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE834219C (de) * 1950-11-30 1952-03-17 Wuertt Spindelfabrik G M B H Abdichtung fuer Druckwalzen von Streckwerken an Spinnereimaschinen
DE1075026B (de) * 1958-04-21 1960-02-04 Neue Baumwoll-Spmnerei u Weberei Hof, Hof/Saale Zwillins-druckwalze für spinnmaschinen-streckwerke
DE1140498B (de) * 1960-06-15 1962-11-29 Ernst Toenniessen K G Zwillings-Druckwalze fuer Spinnmaschinen-Streckwerke
GB1461942A (en) * 1973-02-05 1977-01-19 Toyoda Automatic Loom Works Open-end spinning unit
DE3316656A1 (de) 1983-05-06 1984-11-08 Fritz 7347 Bad Überkingen Stahlecker Vorrichtung zum oe-friktionsspinnen
EP0521437B1 (fr) * 1991-06-29 1998-12-23 Papst Licensing GmbH Entraínement de disque d'enregistrement
EP0595913A1 (fr) * 1991-07-25 1994-05-11 Carclo Engineering Group P.L.C. Dispositif d'ouverture de fibre
DE19642471B4 (de) * 1996-10-15 2005-05-19 Saurer Gmbh & Co. Kg Offenend-Spinnvorrichtung mit einem einzelmotorisch angetriebenen Spinnrotor
DE19651417B4 (de) 1996-12-11 2006-01-05 Spindelfabrik Süssen Schurr Stahlecker & Grill GmbH Auflöseeinrichtung für Offenend-Spinnmaschinen
DE19707074A1 (de) * 1997-02-22 1998-08-27 Novibra Gmbh Auflöseeinrichtung für Offenend-Spinnmaschinen
DE19712880A1 (de) * 1997-03-27 1998-10-01 Schlafhorst & Co W Faserbandauflöseeinrichtung
DE19947418B4 (de) * 1999-10-01 2014-05-15 Rieter Ingolstadt Gmbh Lagerelement für die Lagerung von Oberwalzen von Streckwerken
DE102004052511A1 (de) * 2004-10-21 2006-04-27 Spindelfabrik Süssen Schurr Stahlecker & Grill GmbH Lüfter für Spinnmaschinen
DE102007037229A1 (de) * 2007-08-07 2009-02-12 Rieter Ingolstadt Gmbh Auflösewalze mit Clipverbindung
CH704133A2 (de) 2010-11-26 2012-05-31 Rieter Ag Maschf Vorrichtung zum Verdichten eines Faserbandes an einer Spinnmaschine.
CH705843A1 (de) 2011-12-07 2013-06-14 Rieter Ag Maschf Absaugvorrichtung für eine Spinnmaschine.
CH706258A2 (de) * 2012-03-21 2013-09-30 Rieter Ag Maschf Tragelement für eine Verdichtungsvorrichtung.
CH709312A1 (de) * 2014-02-27 2015-08-28 Rieter Ag Maschf Verdichtungsvorrichtung mit Saugtrommel.

Also Published As

Publication number Publication date
TR201901714T4 (tr) 2019-03-21
US10132011B2 (en) 2018-11-20
JP2016534249A (ja) 2016-11-04
US20160222553A1 (en) 2016-08-04
EP3044355B1 (fr) 2018-12-05
CN205662643U (zh) 2016-10-26
JP6479018B2 (ja) 2019-03-06
CH708518A1 (de) 2015-03-13
WO2015036821A1 (fr) 2015-03-19

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