EP3594390A1 - Appareil d'alimentation en fil - Google Patents

Appareil d'alimentation en fil Download PDF

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Publication number
EP3594390A1
EP3594390A1 EP19178740.7A EP19178740A EP3594390A1 EP 3594390 A1 EP3594390 A1 EP 3594390A1 EP 19178740 A EP19178740 A EP 19178740A EP 3594390 A1 EP3594390 A1 EP 3594390A1
Authority
EP
European Patent Office
Prior art keywords
holder
axis
carrier
thread
adjusting
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
EP19178740.7A
Other languages
German (de)
English (en)
Other versions
EP3594390B1 (fr
Inventor
Richard Kaufmann
Stefan Dörr
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.)
Memminger IRO GmbH
Original Assignee
Memminger IRO GmbH
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 Memminger IRO GmbH filed Critical Memminger IRO GmbH
Publication of EP3594390A1 publication Critical patent/EP3594390A1/fr
Application granted granted Critical
Publication of EP3594390B1 publication Critical patent/EP3594390B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • D04B15/482—Thread-feeding devices comprising a rotatable or stationary intermediate storage drum from which the thread is axially and intermittently pulled off; Devices which can be switched between positive feed and intermittent feed
    • 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
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • D04B15/482—Thread-feeding devices comprising a rotatable or stationary intermediate storage drum from which the thread is axially and intermittently pulled off; Devices which can be switched between positive feed and intermittent feed
    • D04B15/484—Yarn braking means acting on the drum

Definitions

  • the invention relates to a thread delivery device for supplying a thread to a textile machine.
  • the thread delivery device is provided with a housing and with a storage device, the thread being drawn off from the storage device by the textile machine.
  • a yarn delivery device is also called a storage yarn delivery device.
  • the thread feeding device comprises a stationary storage body and a housing arm extending along the storage body.
  • a thread brake which has a brake body, is arranged on the housing arm.
  • the brake body is pressed against a withdrawal end of the storage body with the aid of permanent magnet arrangements of the adjusting device.
  • An adjusting device for adjusting a braking effect is provided.
  • the setting device By means of the setting device, the relative axial position of a permanent magnet arrangement can be varied either gradually by a screwing device or by a quick setting device.
  • the quick adjustment device is activated by pulling an actuating screw with parts of the adjustment device by hand against the force of a spring.
  • the EP 1 262 436 B1 describes a quick-release fastening device for a brake unit for weft feeders.
  • the brake unit has a support ring with a mounting foot that is removably attached to a support slide.
  • the support slide is axially movable with respect to a cylinder of the feed device.
  • the mounting foot of the support ring and the support slide are attached to one another with the aid of magnetic fastening elements.
  • a relative rotation of the support ring with respect to the support slide about an axis at a right angle to a joining surface is permitted.
  • the support ring can be completely removed from the support slide by overcoming the magnetic force of the fasteners. In the alternative indicated, a tilting movement of the support ring is permitted while the support ring is connected to the support slide.
  • the object of the invention is to develop a storage yarn delivery device with a release device that enables easier release of the brake device and better accessibility to the brake body and to the storage device.
  • a thread delivery device for supplying a thread to a textile machine is provided with a housing and with a storage device from which the thread is drawn off by the textile machine.
  • the storage device comprises a stationary, drum-shaped storage body with a body axis.
  • a holder of the housing extends along the storage body.
  • the thread delivery device is provided with a braking device on the holder for setting a thread tension of the thread, which is arranged in the thread path after the storage body.
  • the brake device has a brake body, an adjusting device and a release device.
  • the adjusting device comprises at least one adjusting element, which is arranged so as to be adjustable with respect to the housing in the direction of the body axis of the storage body. Since the body axis of the storage body essentially coincides with the axis of the thread delivery device, for example the axis through a drive shaft, the adjusting element can be adjusted axially with respect to the housing. That the actuator is axially adjustable.
  • the brake body can be pressed against a clamping surface at the trigger end of the storage body with the aid of the actuating element in the clamping position.
  • the release device comprises a carrier element which is at least connected to the actuating element and which is arranged to be movable relative to the housing.
  • the carrier element carries the adjusting device and is arranged rotatably about a carrier axis.
  • the support axis is arranged in a support section of the holder and extends perpendicular to a holder axis which extends through the holder of the housing parallel to the body axis and perpendicular to a connecting line between the body axis and the holder axis.
  • the adjusting device of the braking device When the carrier element is rotated about the carrier axis, the adjusting device of the braking device is rotated out of the body axis of the storage body.
  • the space thus freed up below the brake body enables the brake body wearing part to be replaced easily.
  • the rotatability of the adjusting device from the body axis after removal of the brake body improves the accessibility to the storage device.
  • the improved accessibility also enables the storage device to be moved by a certain amount in the direction of the body axis, for example for the purpose of cleaning.
  • the carrier axis is arranged in the region of the end of the brake body which faces away from the storage body. This enables the setting device to be simply folded down.
  • the release device comprises a locking element, by means of which the carrier element can be locked in at least one locking position. In a locking position, the locking element projects into a recess in the carrier section of the holder.
  • the locking element comprises a spring and an actuating pin.
  • the spring serves to press the locking element into the locking opening.
  • the release pin is arranged on the locking spring, the locking spring being compressed when the actuating pin is actuated.
  • one of the locking positions is the clamping position of the adjusting device.
  • one of the locking positions is a release position of the adjusting device.
  • the release device comprises a resilient element which is supported on the support section of the holder and exerts a resilient force against the direction of rotation of the support element about the support axis when the adjustment device is released on the support element.
  • the carrier section of the holder is designed as a removable holder part. This enables the setting and releasing device of the braking device to be exchanged and thus the brake to be exchanged.
  • a thread delivery device is designed to deliver a thread to a knitting machine.
  • the knitting machine is a circular knitting machine or a flat knitting machine or a knitting machine or a similar machine.
  • a thread delivery device is alternatively designed to deliver a weft thread to a weaving machine.
  • Thread delivery device 1 shown for delivering a thread 40 to a textile machine is designed as a storage thread delivery device.
  • the figures show the thread delivery device 1 on the left in an operating state and on the right in a service state.
  • the thread delivery device 1 has a housing 2 and a storage device with a storage body 3, from which a thread 40 is drawn off by the textile machine.
  • the textile machine is, for example, a circular knitting machine.
  • the housing 2 comprises a holder 2a and a drive housing 2b.
  • the holder 2a is provided with a fastening device 4 for fastening the thread delivery device 1 to the textile machine, for example to a machine ring of the circular knitting machine.
  • the fastening device is attached on the side opposite the holder 2a. This is indicated by an arrow 4a.
  • the housing comprises a contact plate 2c.
  • the fastening device is attached to the side of the holder 2a instead of the contact plate 2c. This is indicated by an arrow 4b.
  • the thread delivery device 1 has a drivable shaft, not shown in the drawing, on which the storage body 3 is arranged.
  • the shaft is rotatably supported relative to the storage body 3.
  • the storage body 3 can be fixed with the shaft rotating.
  • a body axis K which essentially corresponds to an axis of the shaft, is shown in FIGS Figures 1 and 2 indicated by a dashed line.
  • a drive of the shaft which is not visible in the figures, is arranged in the drive housing 2.
  • the holder 2a of the housing 2 extends parallel to the shaft along the storage body 3.
  • the Figure 2 shows a section in the area of the braking device through the thread delivery device 1 of the Figure 1 parallel to the body axis K.
  • the storage body 3 is designed as a storage drum with the body axis K, which runs parallel to the axis of the shaft and, as mentioned, essentially corresponds to this.
  • the storage body 3 is at its withdrawal end, ie in Figure 1 and 2 rounded lower end to form a clamping surface 3a.
  • a winding element 8 with a thread guide element 8a for winding the thread 40 onto the storage body 3 of the storage device is arranged.
  • the thread 40 is wound onto the storage body 3 in turns, which are referred to as thread or yarn turns.
  • the storage device comprises a wobble body 9 which is arranged in the interior of the storage body 3.
  • the braking device for setting a thread tension of the thread 40 has a braking body 20 and an adjusting device for the braking body 20.
  • the braking device is arranged in the thread run after the storage body 3, the braking body 20 being arranged at the withdrawal end of the storage body 3.
  • the brake body 20 is conical, specifically as a flexible brake body cone in the form of a regular truncated cone.
  • it is made of a plastic and / or metal.
  • Corresponding or similar brake bodies are for example in the WO 2006/045410 A1 described.
  • the axis of the brake body 20 is essentially correct, ie except for slight deviations, e.g. B. by lifting by the thread 40 or upon deformation of the elastic brake body 20, with the axis of the shaft.
  • the deduction end of the storage body 3 is rounded and forms in Rounding an annular clamping surface 3a.
  • the larger diameter of the brake body 20 projects beyond the clamping surface 3a. It can be pressed against the clamping surface 3a at the trigger end of the storage body 3 by the adjusting device.
  • the thread 40 When the thread 40 is withdrawn by the textile machine, the thread 40 runs from the storage body 3 through the gap between the withdrawal end of the storage body 3 and the brake body 20 via the clamping surface 3a.
  • the brake body 20 is at its smaller diameter, i. H. at its end pointing away from the storage body 3, provided with a holder with an inner ring 21 and with an outer ring 22a.
  • the inner ring 21 and the outer ring 22a are connected to one another by snap-in connections.
  • the adjusting device comprises a trigger cylinder 23 with a trigger eyelet 24, two magnet units 25, 26 and an outlet eyelet 27.
  • the draw-off cylinder 23 extends, possibly up to installation tolerances, parallel to the axis K.
  • the draw-off cylinder 23 guides the thread 40 from its inlet end facing the storage body 3 to its opposite outlet end, i. H. through the adjusting device.
  • the trigger cylinder 23 is arranged on the holder 2a of the housing 2, specifically on a removable carrier section 2a 'of the holder 2a.
  • the upper magnet unit 25 comprises a ring with permanent magnets 25b, the ring being designed as an outer ring 22a of the brake body 20.
  • the lower magnet unit 26 comprises a ring 26a with permanent magnets 26b.
  • the rings 22a, 26a are arranged at a distance from one another on the trigger cylinder 23.
  • the lower ring 26a is threadedly connected to the trigger cylinder 23, i. H. it is provided with an internal thread which is arranged on an external thread of the trigger cylinder 23.
  • the lower ring 26a is designed as a handle on its outer circumference.
  • the permanent magnets 25b of the first ring 22a and the permanent magnets 26b of the second ring 26a are arranged such that there is a repulsive force between the two rings 22a and 26a.
  • the distance between the lower ring 26a and the upper ring 22a can be changed by rotating the lower ring 26a.
  • the repulsive force between the rings 22a and 26a, and thus the braking force on the brake body 20 is increased, and when the distance is increased the repulsive force is reduced.
  • the adjusting device comprises the lower ring 26a designed as an adjusting element, the adjusting device with the lower ring 26a with respect to the carrier part 2a 'of the holder 2a and thus the housing 2 is arranged to be adjustable in the direction of the body axis K of the storage body 3.
  • the braking body 20 can be pressed against the clamping surface 3a at the withdrawal end of the storage body 3 by means of the interaction of the permanent magnets 25b, 26b with the aid of the adjusting element, ie the lower ring 26a.
  • the braking device comprises a release device.
  • the release device has a carrier element 30 which is connected to the adjusting device and is arranged on the carrier section 2a 'of the holder 2a.
  • the carrier element 30 is arranged such that it can move relative to the carrier section 2a ′ and thus to the holder 2a of the housing 2.
  • the carrier element 30 with the adjusting device is designed to be rotatable about a carrier axis T.
  • the carrier axis T extends perpendicular to a holder axis H and perpendicular to a connecting line V between the body axis K and the holder axis H.
  • the holder axis H extends parallel to the body axis K through the holder 2a.
  • the carrier element 30 can be rotated about the carrier axis T away from the brake body 20, specifically in Figure 2 arranged downwards, foldable.
  • the carrier axis T is located in the carrier section 2a 'of the holder 2a in the region of the end facing away from the storage body 3, i.e. in the area of the clamping surface 3 a of the storage body 3.
  • the release device comprises a locking element 31, by means of which the carrier element 30 can be locked in at least one locking position.
  • two locking positions are provided.
  • Two cutouts 32a and 32b are formed in the carrier section 2a 'of the holder 2a, the L-shaped locking element 31 protruding with its foot into one of the cutouts 32a, 32b.
  • the locking element 31 comprises, not shown in the drawing, an actuating pin on one side, specifically on the side facing away from the figures, and a locking spring on the other side of the locking element 31. When the actuating pin is pressed against the pressure of the locking spring, the locking element 31 is off of the respective recess 32a and 32b movable.
  • a locking position is the clamping position of the adjusting device.
  • the locking element 31 projects into the recess 32a in the carrier section 2a '. That is, the locking element 31 snaps into the recess 32a and locks the carrier element 30 in the locking, i. H. Clamping position.
  • the second locking position is a release position of the adjusting device, wherein the locking element 31 projects into the second recess 32b.
  • the locking element 31 snaps into the recess 32a and locks the carrier element 30 in the release position.
  • the release device comprises a resilient element 38, which is supported on the carrier section 2a 'of the holder 2a and exerts a resilient force on the carrier element 30.
  • the resilient force is directed against the direction of rotation of the carrier element 30.
  • the resilient force causes the carrier element 30 in the direction of the first locking position, i. H. the clamping position is pressed.
  • the resilient element 38 is designed as a helical spring and is arranged such that an axis of the helical spring runs approximately perpendicular to the body axis K or holder axis H and perpendicular to the carrier axis T.
  • operating state is the adjusting device in the clamping position and locked.
  • Service state shown is the adjusting device in the release position and locked.
  • the carrier element 30 is pivoted about the carrier axis T after actuation of the actuating pin and folded down in the figures.
  • An adjusting device comprises a spring holder 50, springs 51 and an adjusting ring 52 designed as a handle.
  • the spring holder 50 has an outer spring ring 50a, webs 50b and an inner spring cylinder 50c.
  • the inner spring cylinder 50c is arranged axially displaceably on the trigger cylinder 23.
  • 3 springs 51 are provided, each of which extends radially from the outer spring ring 50a to an outer ring 22b of the holder of the brake body 20.
  • the springs 51 are each attached to the outer spring ring 50a and the outer ring 22b.
  • the springs 51 are suspended on one or both rings 50a, 22b in openings or hooks provided therefor.
  • the adjusting ring 52 like the lower ring 26a of the first example, is connected to the trigger cylinder 23 via a thread. It is in contact with the spring cylinder 50c.
  • the spring cylinder 50c and thus the spring holder 50 can be axially displaced.
  • the spring holder 50 By moving the spring holder 50, the braking force generated by the springs 51 can be changed.
  • An adjusting device comprises a spring unit 60 with an outer ring carrier 60a with spring elements 60b and with an outer ring 22c designed as an inner ring carrier for holding the brake body 20, and an actuating unit 61 with an adjusting cone 61a and an adjusting ring 61b.
  • the spring elements 60b extend in this example from the outer ring carrier 60a, e.g. B. spiral to the outer ring 22c of the brake body.
  • the adjusting cone 61a is arranged between the outer ring carrier 60a and the adjusting ring 61b, which, like the lower ring 26a of the first example, is connected to the trigger cylinder 23 via a thread.
  • the adjusting ring 61b and the adjusting cone 61a are in contact.
  • the outer ring carrier 60a and thus the spring unit 60 can be axially displaced via the adjusting cone 61a.
  • the spring unit 60 By moving the spring unit 60, the braking force generated by the spring elements 60b can be changed.
  • An adjusting device comprises a housing 70a with permanent magnets 70b and a work coil 71b arranged on a coil carrier 71a within the housing 70a.
  • the coil carrier 71a extends up to an outer ring 22d of the holder of the brake body 20. By applying current to the work coil 71b, the braking force generated by the coil carrier 71a can be changed.
  • the release device comprises a carrier element 75 which is connected to the housing 70a of the adjusting device.
  • the release device comprises a locking element 76, which corresponds to the locking element 31 of the first example.
  • the carrier element 75 additionally comprises a thread tension sensor 77.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Sewing Machines And Sewing (AREA)
  • Looms (AREA)
EP19178740.7A 2018-06-28 2019-06-06 Appareil d'alimentation en fil Active EP3594390B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018115604.9A DE102018115604A1 (de) 2018-06-28 2018-06-28 Fadenliefergerät

Publications (2)

Publication Number Publication Date
EP3594390A1 true EP3594390A1 (fr) 2020-01-15
EP3594390B1 EP3594390B1 (fr) 2021-11-24

Family

ID=66776212

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19178740.7A Active EP3594390B1 (fr) 2018-06-28 2019-06-06 Appareil d'alimentation en fil

Country Status (4)

Country Link
EP (1) EP3594390B1 (fr)
CN (1) CN110654930B (fr)
DE (1) DE102018115604A1 (fr)
TW (1) TWI724439B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021115596B3 (de) * 2021-06-16 2022-05-12 Memminger-IRO Gesellschaft mit beschränkter Haftung Fadenliefergerät
USD1026049S1 (en) 2022-09-30 2024-05-07 Btsr International S.P.A. Yarn feeder

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1345648A (en) * 1971-04-29 1974-01-30 Lawson Hemphill Yarn storage feeders
EP0436900A1 (fr) * 1989-12-29 1991-07-17 ROJ ELECTROTEX S.p.A. Fournisseur de trame pour métiers à tisser à pinces et à projectile
WO1992019524A1 (fr) * 1991-05-03 1992-11-12 Candia Ets. Dispositif d'amenee de fil de trame pour metiers a tisser sans navette
EP0707102A2 (fr) * 1994-10-10 1996-04-17 L.G.L. ELECTRONICS S.p.A. Frein de fil positif modulé pour fournisseurs de trame
EP1262436A1 (fr) 2001-06-01 2002-12-04 L.G.L. Electronics S.p.A. Dispositif de fixation rapide pour des systèmes de freinage des fournisseurs de trame pour métiers à tisser
WO2006045410A1 (fr) 2004-10-21 2006-05-04 Iro Ab Corps tendeur de fil
EP1717181A1 (fr) * 2005-04-27 2006-11-02 L.G.L. Electronics S.p.A. Dispositif de frein de fil dans des fournisseurs de trame pour des machines de textiles
EP2065496A1 (fr) 2007-11-30 2009-06-03 Memminger-IRO GmbH Dispositif d'alimentation en fil et frein de fil
EP3296242A2 (fr) * 2016-09-16 2018-03-21 Memminger-IRO GmbH Délivreur pour appel de fil

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2701718C2 (de) * 1977-01-17 1979-02-08 Ab Iro, Ulricehamn (Schweden) Fadenspeicher- und -liefervorrichtung
CS249155B1 (en) * 1984-08-23 1987-03-12 Vladimir Svaty Method and device for weft thread picking
DE8523140U1 (de) * 1985-08-10 1987-01-08 Sobrevin Société de brevets industriels-Etablissement, Vaduz Liefervorrichtung für laufende Fäden
SE9400248D0 (sv) * 1994-01-26 1994-01-26 Iro Ab Styrbar utgångsbroms för garnmatningsanordning till textilmaskiner, i synnerhet vävmaskiner av projektil eller gripar-typ
DE19533310A1 (de) * 1995-07-24 1997-01-30 Iro Ab Fadenliefergerät
DE19542045A1 (de) * 1995-11-10 1997-05-15 Iro Ab Fadenliefergerät
SE0400861D0 (sv) * 2004-04-01 2004-04-01 Iropa Ag Garnmatningsanordning
SE0401064D0 (sv) * 2004-04-21 2004-04-21 Iropa Ag Garnmatare
EP2169099A1 (fr) * 2008-09-25 2010-03-31 L.G.L. Electronics S.p.A. Dispositif d'alimentation négative de fils avec un dispositif de freinage de trame
CN201890998U (zh) * 2010-05-11 2011-07-06 典洋针织机械股份有限公司 具有单向控制装置的储纱器
ITMI20112046A1 (it) * 2011-11-11 2013-05-12 Btsr Int Spa Dispositivo alimentatore di filo ad accumulo perfezionato
ITTO20111217A1 (it) * 2011-12-28 2013-06-29 Lgl Electronics Spa Dispositivo frena-trama per alimentatori di filato a tamburo fisso
EP2924156B1 (fr) * 2014-03-28 2016-11-23 L.G.L. Electronics S.p.A. Dispositif de freinage de fil pour dispositifs d'alimentation en fil de stockage

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1345648A (en) * 1971-04-29 1974-01-30 Lawson Hemphill Yarn storage feeders
EP0436900A1 (fr) * 1989-12-29 1991-07-17 ROJ ELECTROTEX S.p.A. Fournisseur de trame pour métiers à tisser à pinces et à projectile
WO1992019524A1 (fr) * 1991-05-03 1992-11-12 Candia Ets. Dispositif d'amenee de fil de trame pour metiers a tisser sans navette
EP0707102A2 (fr) * 1994-10-10 1996-04-17 L.G.L. ELECTRONICS S.p.A. Frein de fil positif modulé pour fournisseurs de trame
EP1262436A1 (fr) 2001-06-01 2002-12-04 L.G.L. Electronics S.p.A. Dispositif de fixation rapide pour des systèmes de freinage des fournisseurs de trame pour métiers à tisser
WO2006045410A1 (fr) 2004-10-21 2006-05-04 Iro Ab Corps tendeur de fil
EP1717181A1 (fr) * 2005-04-27 2006-11-02 L.G.L. Electronics S.p.A. Dispositif de frein de fil dans des fournisseurs de trame pour des machines de textiles
EP2065496A1 (fr) 2007-11-30 2009-06-03 Memminger-IRO GmbH Dispositif d'alimentation en fil et frein de fil
EP3296242A2 (fr) * 2016-09-16 2018-03-21 Memminger-IRO GmbH Délivreur pour appel de fil

Also Published As

Publication number Publication date
TWI724439B (zh) 2021-04-11
CN110654930A (zh) 2020-01-07
DE102018115604A1 (de) 2020-01-02
TW202005898A (zh) 2020-02-01
CN110654930B (zh) 2021-08-03
EP3594390B1 (fr) 2021-11-24

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