EP0026350B1 - Dispositif délivreur de fil, en particulier pour un fil fraîchement teint - Google Patents

Dispositif délivreur de fil, en particulier pour un fil fraîchement teint Download PDF

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Publication number
EP0026350B1
EP0026350B1 EP80105278A EP80105278A EP0026350B1 EP 0026350 B1 EP0026350 B1 EP 0026350B1 EP 80105278 A EP80105278 A EP 80105278A EP 80105278 A EP80105278 A EP 80105278A EP 0026350 B1 EP0026350 B1 EP 0026350B1
Authority
EP
European Patent Office
Prior art keywords
yarn
wheel
delivery
delivery wheel
disposed
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
Application number
EP80105278A
Other languages
German (de)
English (en)
Other versions
EP0026350A3 (en
EP0026350A2 (fr
Inventor
Karl-Heinz Wülfing
Werner Engelhardt
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.)
Hacoba Textilmaschinen GmbH and Co KG
Original Assignee
Hacoba Textilmaschinen GmbH and Co KG
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 Hacoba Textilmaschinen GmbH and Co KG filed Critical Hacoba Textilmaschinen GmbH and Co KG
Priority to AT80105278T priority Critical patent/ATE3964T1/de
Publication of EP0026350A2 publication Critical patent/EP0026350A2/fr
Publication of EP0026350A3 publication Critical patent/EP0026350A3/de
Application granted granted Critical
Publication of EP0026350B1 publication Critical patent/EP0026350B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
    • B65H51/10—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements with opposed coacting surfaces, e.g. providing nips
    • B65H51/105—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements with opposed coacting surfaces, e.g. providing nips one of which is an endless belt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a yarn delivery mechanism intended for yarn running in particular or uni-sectionally differently freshly dyed but still to be fixed, which with a rotating delivery wheel, which consists of two spaced-apart guide disks and a plurality of axially parallel conveyor ribs arranged therebetween, and with one the delivery wheel is partially wrapped around and the material to be conveyed is pressed against its conveying ribs, endlessly rotating, flexible pressure belt.
  • a rotating delivery wheel which consists of two spaced-apart guide disks and a plurality of axially parallel conveyor ribs arranged therebetween, and with one the delivery wheel is partially wrapped around and the material to be conveyed is pressed against its conveying ribs, endlessly rotating, flexible pressure belt.
  • Such yarn delivery mechanisms are known from GB-A No. 1335150, in particular in the case of circular knitting machines, the pressure belt in each case being guided in its full width over the delivery ribs of the delivery wheel which are relatively close to one another and radially recessed relative to the circumference of the guide disks and presses the yarn against them. Because of the pressure belt that wraps around and drives the delivery wheel with a relatively large circumference, these yarn delivery plants enable high yarn conveying speeds and thus a correspondingly high production output due to the resulting large slip-free driving effect.
  • This squeezing of yarn is particularly disadvantageous in those cases where it is a matter of conveying yarn that is freshly dyed in a single color or multicolor and is therefore still to be fixed, especially for yarns with a so-called space-dying effect, where the yarn is concerned different colors are applied in rapid succession or at short intervals.
  • the invention is therefore based on the object to provide a yarn delivery unit, in particular for freshly dyed yarn, which on the one hand allows a high yarn conveying speed to be achieved, but on the other hand stresses the yarn to be conveyed as little as possible, in particular causes virtually no yarn crushing.
  • this object is achieved according to the invention in that the edge of the pressure belt is supported on the guide disks, in that the conveyor ribs extend radially up to the circumference of the guide disks and in that the number of conveyor ribs is selected such that the Distance between two adjacent conveyor ribs is a multiple of the rib thickness, the yarn between the conveyor ribs being guided essentially without contact.
  • the yarn to be conveyed lies only in the area of its conveyor ribs between the pressure belt and the delivery wheel, that is to say it remains completely free between them, whereby the yarn is conveyed at high running speed on the one hand, but hardly at all on the other is squeezed, in particular also spared from color smearings.
  • This also contributes to the fact that the pressure belt is practically not exposed to color contamination due to its punctiform support on the yarn passing by, and the dabs of color that are picked up both by the belt and by the conveyor ribs of the delivery wheel are mainly thrown off due to the high circulation speeds.
  • the delivery wheel advantageously consists of a solidly designed wheel body with a circumferential groove machined therein, which is subdivided in the circumferential direction by a plurality of webs which are inserted into its side walls forming the guide disks and which run parallel to the axis and form the conveying ribs.
  • damping pins are arranged in the circumferential groove of the delivery wheel between the conveyor webs, which are parallel to the axis and which are approximately at the level of each the yarn support points are adjacent Conveyor webs running yarn guide edge.
  • the guide disks on the delivery wheel are provided with circumferential toothing, of which individual teeth are formed by the conveyor webs, the pressure belt having a corresponding external toothing interacting therewith.
  • the invention provides that the delivery wheel is followed by a thread break monitor, which consists of a suction cup arranged in the immediate vicinity of the running yarn with a built-in light barrier.
  • a thread break monitor which consists of a suction cup arranged in the immediate vicinity of the running yarn with a built-in light barrier.
  • the yarn coming from the yarn supply plant normally runs past this suction cup completely unaffected, whereas if the yarn breaks, the yarn trailing and accumulating in the suction cup, so that the light barrier present here will respond after the yarn has accumulated and the delivery wheel will stop.
  • a light barrier is also provided on the circumference of the delivery wheel outside of the wrapping area of the pressure belt, which monitors the yarn support edges of the conveyor webs and which stops the delivery wheel at these points if there is sufficient yarn accumulation.
  • the invention also provides that several delivery wheels are advantageously arranged axially parallel to one another and are each to be driven via clutches by a common gear.
  • the transmission suitably consists of gear shafts which are arranged axially parallel to one another and are driven by a common motor via toothed belts or the like and are provided with flywheels, with which the delivery wheel shafts, which are respectively coaxial, are connected by drive via electrically controlled brake clutches or of them are to be uncoupled.
  • the 1 and 2 consists essentially of the delivery wheel 3 to be driven by the drive motor 1 via the shaft 2 at a controllable rotational speed and the circumferential pressure belt 5, which partly presses against the yarn to be conveyed made of acid and base resistant flexible material, e.g. a suitable plastic belt.
  • the pressure belt 5 is guided over the two guide rollers 6, 7, of which the former serves as a belt tensioning roller and is correspondingly adjustable, while the other guide roller 7 can be arranged in a stationary manner.
  • the yarn 4 to be conveyed is dyed differently in sections in a space-dying dyeing device upstream of the yarn delivery unit (not shown further) and then runs over the deflection roller 8 and from there further between the pressure belt 5 and the delivery wheel 3 via the deflection roller 9 to a downstream fixing chamber 10.
  • two yarns 4 ′, 4 ′′ are conveyed lying side by side in parallel.
  • only one or more yarns can be dyed in this way.
  • the delivery wheel 3 essentially consists of two spaced-apart guide disks 11, 12 which only support the pressure belt 5 at its marginal edges. Between the guide disks 11, 12 3 delivery ribs 13 are present on the delivery wheel, which extend at least up to near the wheel circumference and press here against the pressure belt 5, so that the yarn 4 on these delivery ribs 13 only lies at points 13 'and overall in total Area of the delivery wheel 3 and the pressure belt 5 is guided in a secant shape, as FIG. 1 clearly shows. In other words, the yarn 4 is clamped only on the individual support edges 13 'of the conveying ribs 13 and the belt 5 pressing thereon and is thereby conveyed effectively but also gently.
  • the delivery wheel 3 consists of a solidly designed wheel body 14 with a circumferential groove 15 machined into it in the middle, for example turned.
  • this groove 15 there are a plurality of webs 13 ′′ inserted into its side walls 11 ′, 12 ′ forming the guide disks, which run axially parallel and form the conveyor ribs 13. So these divide the groove 15 in the circumferential direction.
  • damping pins 16 which run axially parallel to the latter and which are inserted through correspondingly aligned bores in the side walls 11 ', 13.
  • These multiplication pins 16 lie approximately at a height, as shown in FIG. 3 of the yarn guiding edge 4 "'running through the yarn support points 13' of the adjacent conveyor webs 13". These pins 16 suppress any yarn vibrations which are normally caused by the running of the incoming yarn 4 onto the circulating conveyor webs 13 ". Furthermore, the guide disks 11 ', 12' of the delivery wheel are also provided with circumferential toothing 17, of which individual teeth are formed by the conveyor webs 13 ′′ located at a corresponding pitch.
  • the external toothing 18 present on the circumferential pressure belt 5 is in constant engagement , whereby any slippage between the delivery wheel 3 and the pressure belt 5 is avoided and, at the same time, a better yarn conveying effect is achieved, namely in that the yarn at its point-specific contact points between the contact edges 13 'of the conveyor webs 13 "and the corresponding tooth gaps 18' of the belt external toothing 18 is slightly cranked.
  • the length of the endless circumferential pressure belt 5 is advantageously chosen so that it is not an even multiple of the pitch of the circumferential conveyor webs 13 ".
  • the delivery wheel 3 is followed by a thread break monitor, generally designated 19, which consists of a suction cup 21 connected to the suction line 20, which is arranged in the immediate vicinity of the yarn 4 ', 4 "running past it.
  • a light barrier 22 is installed, which responds in the event of yarn 4 1v accumulating in the suction cup 21 when the yarn breaks and thereby stops the drive of the delivery wheel 3.
  • a further light barrier 23 is arranged according to FIG. 3 on the circumference of the delivery wheel 3 outside the area of the pressure belt 5. It has the task of continuously monitoring the yarn support edges 13 'of the conveyor webs 13 "for any yarn accumulating there in the event of yarn breakage and possibly stopping the delivery wheel 3.
  • the response sensitivity of the light barrier 23 is set so that it is not already at the Conveyor web support edges 13 'adhering dyestuff residues, but only responds when several yarn turns have accumulated on them, which occurs very quickly in the event of a yarn break due to the high delivery speed of the delivery wheel.
  • the pressure belt 5 is advantageously guided over three guide rollers 24, 25, 26, the guide rollers 24, 25 being approximately diametrically close to the delivery wheel, while the third guide roller 26 is arranged such that it can be adjusted at a greater distance from the delivery wheel 3 and at the same time as Belt tensioner serves.
  • a preferred multiple side-by-side arrangement of several delivery wheels 3 and their common drive is shown.
  • the delivery wheels 3 are then arranged axially parallel to one another, in such a way that their shafts 2 run coaxially to the correspondingly axially parallel transmission shafts 27, which are arranged at toothed belts 28 by the common motor 30 provided with a flywheel 29 at a controllable speed are driven. Flywheels or masses 31 are also present on the individual transmission shafts 27.
  • the individual delivery wheel shafts 2 can be coupled or uncoupled from the transmission shafts 27 via electrically controlled brake clutches 32, 33, which can also be influenced by the light barriers 22 and 23, whereby it is ensured that the delivery wheel shaft 2 in each case decoupled is decelerated immediately after and after the coupling is accelerated as quickly as possible to the target speed without causing adverse effects on the common transmission.

Landscapes

  • Treatment Of Fiber Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (9)

1. Mécanisme distributeur de fil, en particulier pour des fils en mouvement fraîchement teints, uniformément ou par sections de couleurs différentes, et non encore fixés, mécanisme qui comprend une roue d'alimentation rotative (3), formée de deux disques de guidage (11, 12) juxtaposés à une certaine distance l'un de l'autre et de nervures d'entraînement (13) parallèles à l'axe de ces disques et montées entre ceux-ci, et une bande sans fin de pression flexible et rotative (5), entourant partiellement la roue d'alimentation (3) et pressant le fil devant être entraîné (4) contre les nervures d'entraînement (13), caractérisé en ce que la bande de pression (5) prend appui, par des bords sur les disques de guidage (11, 12), en ce que les nervures d'entraînement (13) s'étendent radialement jusqu'à proximité du pourtour des disques (11, 12) et en ce que le nombre des nervures d'entraînement (13) est choisi de telle façon que l'espacement entre deux nervures d'entraînement voisines (13) soit un multiple de l'épaisseur des nervures, ce qui fait que le fil (4) est entraîné essentiellement sans contact entre ces nervures (13).
2. Mécanisme distributeur de fil selon la revendication 1, caractérisé en ce que la roue d'alimentation (3) se compose d'un corps circulaire massif (14) sur la tranche duquel a été usinée une gorge périphérique (15) qui est subdivisée circonférentiellement en un certain nombre de barrettes (13") qui forment les nervures d'entraînement (13) et qui sont montées parallèlement à l'axe du corps circulaire dans les parois latérales (11', 12') de la gorge qui constituent les disques de guidage (11,12).
3. Mécanisme distributeur de fil selon la revendication 2, caractérisé en ce que, dans la gorge périphérique (15) de la roue d'alimentation (13), sont montées, entre les barrettes d'entraînement (13') et parallèlement à celles-ci, des goupilles d'amortissement (16) qui sont situées approximativement à la hauteur de la ligne brisée (4"') passant par les points de contact (13') avec le fil des barrettes d'entraînement voisines (13").
4. Mécanisme distributeur de fil selon la revendication 3, caractérisé en ce que les disques de guidage (11', 12') de la roue d'alimentation (3), sont pourvus d'une denture périphérique (17), dont certaines des dents sont formées par les barrettes d'entraînement (13") et en ce que la bande de pression (5) possède une denture extérieure complémentaire (18) coopérant avec celle des disques de guidage.
5. Mécanisme distributeur de fil selon la revendication 4, caractérisé en ce que la bande de pression (5) est entraînée autour de trois galets de guidage (24, 25, 26) dont deux (24, 25) sont disposés approximativement le long d'un diamètre de la roue d'alimentation (3), à proximité de celle-ci, tandis que le troisième (26) est monté de façon réglable à une plus grande distance de la roue d'alimentation (3) et ainsi, sert en même temps de galet de tension.
6. Mécanisme distributeur de fil selon l'une quelconque des revendications 1 à 5, caractérisé en ce que, à la roue d'alimentation (3), fait suite un dispositif de contrôle de la rupture du fil (19), qui est constitué par une ventouse (21 ) disposée à proximité immédiate du fil en mouvement (4', 4") et à laquelle est incorporée une barrière photo-électrique (22).
7. Mécanisme distributeur de fil selon l'une quelconque des revendications 1 à 6, caractérisé en ce que, sur la périphérie de la roue d'alimentation (3) et en dehors de la zone d'encerclement de cette dernière par la bande de pression (5), est prévue une barrière photo-électrique (23) qui surveille les arêtes de contact (13') des barrettes ou nervures d'entraînement (13, 13") et qui, dans le cas d'une accumulation de fil à ces emplacements (13'), arrête la roue d'alimentation (3).
8. Mécanisme distributeur de fil selon l'une quelconque des revendications 1 à 7, caractérisé en ce que plusieurs roues d'alimentation (3) sont montées avec leurs axes parallèles et sont respectivement entraînées, par l'intermédiaire d'accouplements (32, 33), par une transmission commune (27,31).
9. Mécanisme distributeur de fil selon la revendication 8, caractérisé en ce que la transmission se compose d'un nombre correspondant à celui des roues d'alimentation (3), d'arbres de transmission parallèles (27), pourvus de volants (31) et entraînés, par l'intermédiaire de courroies crantées (28) ou analogues, par un moteur commun (30), les arbres (2) des roues d'alimentation s'étendant respectivement coaxialement à ces arbres de transmission (27) et pouvant être accouplés à et débrayés de ces derniers par des accouplements de freinage (32, 33) à commande électrique.
EP80105278A 1979-10-02 1980-09-04 Dispositif délivreur de fil, en particulier pour un fil fraîchement teint Expired EP0026350B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80105278T ATE3964T1 (de) 1979-10-02 1980-09-04 Garnlieferwerk, insbesondere fuer frisch eingefaerbtes garn.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2939873 1979-10-02
DE2939873A DE2939873C2 (de) 1979-10-02 1979-10-02 Garnlieferwerk, insbesondere für frisch eingefärbtes Garn

Publications (3)

Publication Number Publication Date
EP0026350A2 EP0026350A2 (fr) 1981-04-08
EP0026350A3 EP0026350A3 (en) 1981-07-15
EP0026350B1 true EP0026350B1 (fr) 1983-06-29

Family

ID=6082462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80105278A Expired EP0026350B1 (fr) 1979-10-02 1980-09-04 Dispositif délivreur de fil, en particulier pour un fil fraîchement teint

Country Status (4)

Country Link
US (1) US4355749A (fr)
EP (1) EP0026350B1 (fr)
AT (1) ATE3964T1 (fr)
DE (1) DE2939873C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200491048Y1 (ko) * 2019-02-13 2020-02-11 박진우 원통형 원단의 원사 풀림기구

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549347A (en) * 1984-05-16 1985-10-29 Univ States Of America Contact insertion and wire lay robotic end effector apparatus
EP0350976A1 (fr) * 1988-07-11 1990-01-17 Jen-Fu Chen Dispositif d'alimentation en fil synchrone
DE4109023A1 (de) * 1991-03-20 1992-09-24 Fritz Stahlecker Spinnmaschine
DE4109096A1 (de) * 1991-03-20 1992-09-24 Fritz Stahlecker Spinnmaschine
CN110371773B (zh) * 2019-06-18 2021-03-30 浙江万阳电子有限公司 送管总装

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200491048Y1 (ko) * 2019-02-13 2020-02-11 박진우 원통형 원단의 원사 풀림기구

Also Published As

Publication number Publication date
DE2939873C2 (de) 1983-09-08
DE2939873A1 (de) 1981-04-23
ATE3964T1 (de) 1983-07-15
US4355749A (en) 1982-10-26
EP0026350A3 (en) 1981-07-15
EP0026350A2 (fr) 1981-04-08

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