EP0889149B1 - Ailette - Google Patents

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Publication number
EP0889149B1
EP0889149B1 EP98110962A EP98110962A EP0889149B1 EP 0889149 B1 EP0889149 B1 EP 0889149B1 EP 98110962 A EP98110962 A EP 98110962A EP 98110962 A EP98110962 A EP 98110962A EP 0889149 B1 EP0889149 B1 EP 0889149B1
Authority
EP
European Patent Office
Prior art keywords
finger
press
presser
wing
arm
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.)
Expired - Lifetime
Application number
EP98110962A
Other languages
German (de)
English (en)
Other versions
EP0889149A3 (fr
EP0889149A2 (fr
Inventor
Hans-Peter Weeger
Jörg Hummel
Hans-Jürgen Schönfelder
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.)
HOLZ FABRIK FUER TEXTILMASCHINEN-ZUBEHOER E.K.
Original Assignee
Holz Fabrik fur Textilmaschinen-Zubehor Ek
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 Holz Fabrik fur Textilmaschinen-Zubehor Ek filed Critical Holz Fabrik fur Textilmaschinen-Zubehor Ek
Publication of EP0889149A2 publication Critical patent/EP0889149A2/fr
Publication of EP0889149A3 publication Critical patent/EP0889149A3/fr
Application granted granted Critical
Publication of EP0889149B1 publication Critical patent/EP0889149B1/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
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/24—Flyer or like arrangements
    • D01H7/26—Flyer constructions
    • D01H7/30—Flyer constructions with guide channels formed in legs, e.g. slubbing flyers
    • D01H7/32—Flyer constructions with guide channels formed in legs, e.g. slubbing flyers with pressing devices

Definitions

  • the invention relates to a flyer wing for a roving frame, with a pivotable on a wing arm, consisting of Preßfingerstange and Preßfingerarm Preßfingerblatt Preßfinger whose pivot axis is in the center of the connection of the Preßfingers with the wing arm and the coil center with a predetermined radius (R) rotatable is, wherein the Preßfingerstange outside the radius (R) is located on which the Preßfingerarm is arranged, and the Preßfingerstange is acted upon by transversely to the pivot axis on the Preßfingerstange fasteners acting, and the presser finger can be brought into a tilted position.
  • the design of the flyer vanes, including the presser fingers is always subject to new requirements, especially since the variety of automatic bobbin changing is constantly being extended.
  • Bobbin changes can be made by e.g. the bobbin rail is lowered with the coil bobbins in full bobbins and thus extended out of the area of the wings to take the full bobbins out with a in the amount of the bobbin rail entering the roving bobbin receiving system, the full bobbins at their free end sleeve taking out of the machine.
  • stops In order to allow the folding back of the presser fingers for automatic piecing, stops must be provided on the wing arm so that the center of gravity of the presser finger resting against the respective stop is such that pivoting of the presser finger during piecing to the bobbin is ensured.
  • the object of the invention is to develop a flyer wing of the type described above so that a wide opening of the Preßfingers for the bobbin change is made possible and the presser fingers for the automatic piecing is automatically guided to the empty tube, without the presser fingers by a contact pressure to the sleeve or coil to load.
  • At least one spring element is provided on the wing arm, the spring force of which acts on the press finger only in a swivel range thereof in which the press finger blade is outside the maximum circumference of the coil.
  • the spring force of the spring element acts only on the pressing fingers when the Preßfingerblatt is lifted or pivoted away from the maximum wound coil.
  • the presser finger leaf is still spring loaded on the bobbin surface. In order to remove the coil from the rotation range of the wing, the presser must be beweget in a suitable position for the coil removal.
  • the Preßfingerstange is acted upon by actuators and pivoted against the spring force of the spring element about its pivot axis, so that the force applied to the coil Preßfingerblatt is pivoted away from the coil circumference and the coil surface. If the Preßfingerstange released by the actuators, the spring force of the spring element causes a return of the Preßfingers in the position corresponding to the concerns of Preßfingerblattes at the maximum coil circumference.
  • the presser finger is due to its lying in the presser bar center of gravity in a position that ensures an immediate pivoting of the presser finger to the bobbin during piecing.
  • the flyer invention wings that the coil is not adversely affected during the Bewicklungsvorganges by additional Preßfingerdruck.
  • Fig. 1 For example, there is shown schematically a spinning lobe for a roving machine having a roving arm 1 (not shown) and a counterweight wing arm 2.
  • a roving arm 1 (not shown) and a counterweight wing arm 2.
  • the pivot axis 7 is in the center of the connection of the presser finger 3 with the wing arm 1 and is rotatable about the coil center 16 with a predetermined radius R, wherein the presser finger 4 is outside the pivot axis 7.
  • Preßfinger 3 and wing arm 1 each have eyelets 8, 9, through which a holding bar 12 is guided for connecting the Preßfingers 3 and the wing arm 1.
  • the retaining bar 12 has at its one end a fastening tab 11, with which the retaining bar 12 is held against rotation on the lower attachment eye 8 of the wing arm 1.
  • the other end of the support rod 12 opens into a resting on the uppermost attachment eye 8 of the wing arm 1 clamping piece 10 and is firmly clamped or clamped in this.
  • the retaining bar 12 is first inserted through the lower eyelets 8, 9, then through an example plastic sleeve 13 and then through the upper eyelets 8, 9. After the retaining bar 12 is fixed with its fastening tab 11 at the desired location on the lower attachment eye 8, the clamping piece 10 is placed on the upper end of the holding rod 12 and clamped by means of set screws (not shown) in the clamping piece 10.
  • Fig. 2 connects to the acting as a counterweight presser bar 4 below the wing arm 1 of the curved Preßfingerarm 5 with Preßfingerblatt 6 on.
  • the upper end of the Preßfingerstange 4 has a pointing to the clamping piece 10 curvature.
  • a stop protruding from the press-finger bar 4 e.g. be welded, which abuts against the clamping piece 10 and presses against this when the presser finger 3 is rotated.
  • Fig. 3 three different presser finger positions are shown, which occur during the machine run.
  • the Anspinnlage is designated, in which the presser finger 3 is pivoted inwardly such that the Preßfingerblatt 6 abuts the empty tube 15.
  • the presser fingers 3 together with Preßfingerarm 5 and Preßfingerblatt 6 is moved to the outside and is after completing Spulenbewicklung with maximum coil circumference in position 2.
  • the Preßfingerblatt 6 is due solely to the coil surface, because the focus of the press fingers 3 still always located outside the radius R.
  • the pressing finger 3 is pressed by no additional spring elements to the coil, since this can adversely affect the quality of the wound roving.
  • the presser finger 3 In order to remove the coil in example of the embodiment in which the coils hang on the center pin of the wing from the rotation range of the wing, the presser finger 3 must be pivoted so far that the Preßfingerarm 5 at least between position 2 and position 3, but preferably is in position 3, that is, the outermost edge of the Preßfingerblattes 6 is at least outside the maximum coil circumference region or is in line with the inside of the wing arm 1. If the Pressing finger 4 acted upon by actuating means (not shown), the Preßfingerarm 5 is moved to position 3. Between position 2 and position 3, the press finger 3 strikes with its upper curvature first on the clamping piece 10, Fig. 2 , At this moment, the focus of the Preßfingers 3 is still outside the radius R.
  • the spring force acts, If the presser finger 3 is relieved of the actuators (not shown), the presser finger 3 is pushed back into position 2 by the clamp 10 turned back from the support bar 12 and thus is located in a situation in which the presser finger 3 automatically moves into the piecing position during automatic piecing due to its center of gravity when the blade rotational movement starts as a result of the centrifugal force.
  • Fig. 4 the presser finger 3 is shown in position 2 already described.
  • the wing arm 1 is cut above the clamping piece 10. From this schematic illustration it can be seen that the upper curved end of the Preßfingerstange 4 has a distance C to the resting on the upper attachment eye 8 of the wing arm 1 clamping piece 10. If the presser finger 3 is acted upon in the direction of arrow B, the presser finger 3 is pivoted about the axis 7 and the curved end of the Preßfingerstange 4 is moved toward the clamping piece 10 until the end of the Preßfingerstange 4 abuts the clamping piece 10.
  • the Preßfingers 3 Upon further opening of the Preßfingers 3 then presses the end of the Preßfingerstange 4 so against the clamping piece 10, that it by twisting the trapped Garstabes 12 is twisted. In this case, the distance A determines the Verwarweg of the clamping piece 10 and thus the spring-loaded Einschwenkweg the Preßfingers. 3
  • Fig. 5 the attachment of the retaining bar 12 is shown enlarged.
  • the lower end of the support rod 12 has a U-shaped bent fastening tab 11 which is pushed to the lower attachment eye 8 of the wing arm and thereby the support rod 12 is held against rotation.
  • the fastening tab is arranged (not shown) so that upon pivoting of the presser finger 3 of the Preßfingerarm 5 abuts the fastening tab 11 (position 2), and as soon as the presser finger 3 is turned into a range (position 3) in which the center of gravity of the presser finger 3 lies within the radius R or the presser finger blade 6 is outside the maximum coil circumference, the fastening tab 11 is twisted by twisting the support rod 12.
  • the stop member 18 has a spring element 17 and is arranged without spacing A on the upper attachment eye on the wing arm 1. Until the stop of the upper end of the Preßfingerarmes 4 to the spring element 17, the center of gravity of the Preßfingers 3 is outside the radius R. Only when the Preßfinger 3 is pressed against the spring force of the spring element 17 against the spring element 17, the center of gravity of the Preßfingers 3 comes within of the radius R.
  • the spring element 17 in Fig. 6 is a spring-mounted in a bushing ball, which can be pressed against its spring force in the socket. If the presser finger 3 is released by the actuating elements, the presser finger 3 is pushed back by the ball pressed by the spring out of the bush into the position in which the center of gravity of the presser finger 3 lies outside the radius R.

Landscapes

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

Claims (1)

  1. Ailette pour une machine à broches, comprenant un doigt de pressage disposé de manière pivotante sur un bras d'ailette, constitué d'une barre de doigt de pressage et d'un bras de doigt de pressage avec une lame de doigt de pressage, dont l'axe de pivotement se situe au centre de la connexion du doigt de pressage au bras d'ailette, et peut tourner autour du centre de la bobine avec un rayon prédéfini (R), la barre de doigt de pressage se trouvant en dehors du rayon (R), le bras de doigt de pressage étant disposé avec la lame de doigt de pressage sur cette barre, et la barre de doigt de pressage pouvant être sollicitée par des éléments d'actionnement agissant transversalement à l'axe de pivotement sur la barre de doigt de pressage, et le doigt de pressage pouvant pivoter dans une position abaissée par pivotement,
    caractérisée en ce que
    l'on prévoit sur le bras d'ailette (1) au moins un élément de ressort (12, 17) dont la force de ressort agit sur le doigt de pressage (3) uniquement dans une région de pivotement de ce dernier, dans laquelle la lame de doigt de pressage (6) est en dehors de la périphérie maximale de la bobine.
EP98110962A 1997-06-30 1998-06-16 Ailette Expired - Lifetime EP0889149B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19727799 1997-06-30
DE19727799A DE19727799C1 (de) 1997-06-30 1997-06-30 Flyerflügel

Publications (3)

Publication Number Publication Date
EP0889149A2 EP0889149A2 (fr) 1999-01-07
EP0889149A3 EP0889149A3 (fr) 2000-02-02
EP0889149B1 true EP0889149B1 (fr) 2009-08-26

Family

ID=7834119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98110962A Expired - Lifetime EP0889149B1 (fr) 1997-06-30 1998-06-16 Ailette

Country Status (5)

Country Link
US (1) US6044639A (fr)
EP (1) EP0889149B1 (fr)
JP (1) JPH1181060A (fr)
DE (2) DE19727799C1 (fr)
ID (1) ID20496A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10394203B4 (de) * 2003-03-25 2013-09-12 InspirOn Engineering Pvt. Ltd. Andheri (West) Flyerflügel für eine Vorspinnmaschine
US8836414B2 (en) 2005-11-15 2014-09-16 Freescale Semiconductor, Inc. Device and method for compensating for voltage drops
CN101929009A (zh) * 2010-09-07 2010-12-29 江苏宏源纺机股份有限公司 锭翼压掌自动撑开机构
DE102011115850B4 (de) * 2011-10-13 2019-01-10 Saurer Spinning Solutions Gmbh & Co. Kg Pressfinger für eine Vorspinnmaschine
JP7155932B2 (ja) * 2018-11-21 2022-10-19 株式会社豊田自動織機 粗紡機のフライヤにおけるフライヤプレッサの押し付け力の調整方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US350782A (en) * 1886-10-12 Speeder-flier
DE965478C (de) * 1955-08-05 1957-06-06 Gert Meyer Busche Dipl Ing Flyerfluegel
FR1300290A (fr) * 1961-06-22 1962-08-03 Alsacienne Constr Meca Ailettes de bancs à broches
US3380238A (en) * 1966-09-29 1968-04-30 Toyoda Automatic Loom Works Fly frame
CH637998A5 (de) * 1979-07-09 1983-08-31 Rieter Ag Maschf Flyerfluegel.
DE3004165A1 (de) * 1980-02-05 1981-08-13 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Vorspinnmaschine
DE4229296A1 (de) * 1992-09-02 1994-03-03 Zinser Textilmaschinen Gmbh Vorspinnmaschine mit einer Einrichtung zum selbsttätigen Auswechseln voller Vorgarnspulen gegen leere Vorgarnhülsen
DE19543716C2 (de) * 1994-12-14 1998-11-26 Zinser Textilmaschinen Gmbh Vorspinnmaschine mit an jeder Arbeitsstelle angeordnetem Flügel
JP3718274B2 (ja) * 1995-01-27 2005-11-24 ザウラー・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディトゲゼルシャフト 満粗紡ボビンを空粗紡チューブと自動的に交換するための装置を備えたフライヤ粗紡機

Also Published As

Publication number Publication date
EP0889149A3 (fr) 2000-02-02
ID20496A (id) 1998-12-31
JPH1181060A (ja) 1999-03-26
US6044639A (en) 2000-04-04
DE19727799C1 (de) 1998-08-06
DE59814388D1 (de) 2009-10-08
EP0889149A2 (fr) 1999-01-07

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