EP0192851B1 - Dispositif fournisseur de fil - Google Patents

Dispositif fournisseur de fil Download PDF

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Publication number
EP0192851B1
EP0192851B1 EP85116233A EP85116233A EP0192851B1 EP 0192851 B1 EP0192851 B1 EP 0192851B1 EP 85116233 A EP85116233 A EP 85116233A EP 85116233 A EP85116233 A EP 85116233A EP 0192851 B1 EP0192851 B1 EP 0192851B1
Authority
EP
European Patent Office
Prior art keywords
light
thread
reel
light barrier
delivery apparatus
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
EP85116233A
Other languages
German (de)
English (en)
Other versions
EP0192851A3 (en
EP0192851A2 (fr
Inventor
Ermete Riva
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.)
Sobrevin Societe de Brevets Industriels
Original Assignee
Sobrevin Societe de Brevets Industriels
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 Sobrevin Societe de Brevets Industriels filed Critical Sobrevin Societe de Brevets Industriels
Priority to AT85116233T priority Critical patent/ATE40873T1/de
Publication of EP0192851A2 publication Critical patent/EP0192851A2/fr
Publication of EP0192851A3 publication Critical patent/EP0192851A3/de
Application granted granted Critical
Publication of EP0192851B1 publication Critical patent/EP0192851B1/fr
Expired 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
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D03D47/36—Measuring and cutting the weft
    • D03D47/361—Drum-type weft feeding devices
    • D03D47/367—Monitoring yarn quantity on the drum

Definitions

  • the invention relates to a delivery device for running threads, with a storage body, to which the thread runs in the circumferential direction and from which the thread is drawn off overhead and on which a certain adjustable number of thread turns is stored as a supply quantity between the feed point and the take-off point, the determination of the Thread turns a light barrier is provided which scans the outer surface of the storage body and controls the rotary drive for the thread feed and the speed of the rotary drive is controlled as a function of the light intensity (amount of light) measured at the light barrier receiver.
  • Such a delivery device is apparent from CS-PS 223 856 (x DE-A-28 49 388), which has a photoelectric arrangement in which light is transmitted to the drum surface of the upper storage body, which is reflected only by that part of the drum, that is not covered by the thread supply.
  • the reflected light is collected by a phototransistor, the output signal of the phototransistor being proportional to the light received.
  • the output signal is further processed by means of an electronic circuit in such a way that the rotation speed of the rotary drive is controlled as a function of the reflected light.
  • a delivery device for running threads is known from DE-PS 1 760 738, the light barrier serving to control the drive of the storage body in such a way that there is always approximately a predetermined amount of wrapping on the storage body. If the thread take-off in the axial direction reaches an order of magnitude such that the amount of wrapping falls below a certain lower limit, the light barrier causes the storage body to increase in speed. Conversely, the speed of rotation or even a shutdown of the storage body takes place when the winding reserve exceeds the determined maximum limit.
  • the delivery device therefore works essentially according to the start / stop principle. As a result, the thread to be stored is subject to an unfavorable tensile load. Furthermore, the load on the braking device of such delivery devices is considerable.
  • the invention has for its object to provide a delivery device of the type mentioned, which leads to an improved uniformity of the thread winding and adapts perfectly to different thread take-off speeds and thread thicknesses.
  • the light barrier is designed as a light barrier bar extending approximately over the storage length of the storage body and that the light intensity of the light barrier transmitter can be varied over the storage length.
  • the light barrier extends approximately over the entire length of the memory body.
  • the more thread turns are applied to the storage body the lower the reflected light intensity. This means that the speed of the storage body is reduced with increasing light intensity reduction.
  • the tension of the applied thread is evened out.
  • the light intensity measurement (amount of light) can be measured with the light barrier bar - integrated via this and also over the period of time that elapses between darkening and activation of a light barrier that only senses the thread windings on the take-off side.
  • the rotary drive only stops the storage body when the thread turns extend over the entire length of the storage unit.
  • the braking device assigned to the delivery device is subject to only a small load, combined with a longer life expectancy of the device.
  • the light intensity of the light barrier transmitter can be varied over the storage length. This can e.g. B. done by potentiometer. An adaptation to different thread take-off speeds and thread thicknesses is therefore easily possible. A change in the amount of stock is easy to achieve. So z. B. increase the number of thread turns and the winding speed by increasing the light intensity.
  • a reduction in the light intensity means a decrease in the number of thread turns as a supply quantity and a decrease in the winding speed.
  • the light barrier transmitter is designed in the form of light emitting diodes which are arranged next to one another and which emit modulated light and which have an adjustable light intensity. It is therefore possible to increase the light intensity evenly on all transmitters.
  • the light intensity can also be individually amplified. It is advantageous if the light barrier bar is designed so that a light guide is provided which transports the light from one point on the circumference of the storage body to another point. This light guide can consist of a block of glass or the like or of light guide fibers, which are held by a carrier.
  • the storage body has a support piece with light guide fibers, the end faces lying next to one another in rows are exposed to the surface of the storage body, the one end face of each optical fiber facing the light barrier transmitter and the other end face in the circumferential direction of the storage body facing the light barrier receiver.
  • Modulated light is preferably used to switch off interference effects from daylight or the like. It makes sense to design the support piece as an arch piece.
  • the transmitter and receiver of the light barrier can therefore be arranged adjacent to one another.
  • a variant is characterized in that the end faces of the optical fibers in two neighboring. rods which are adjustably assigned to the storage body for variation of the storage body outer surface lie in the area of the thread winding point.
  • This version is of course a standing storage body. If the rods are displaced, the optical fibers are also moved. However, they still serve as a requirement for the winding supply to be applied and lead to the best measurement results. If, on the other hand, the storage body is to revolve, a plurality of arc pieces are to be provided one behind the other in the circumferential direction of the storage body in such a way that their distance from one another is smaller than the opening cone coming to the light barrier transmitter and receiver. Therefore, the connection between the transmitter and receiver is maintained via a curved piece in every rotational position of the storage body. Manufacturing advantages are that the support consists of two concentric to each other and the optical fibers between receiving boards.
  • the delivery device illustrated in FIGS. 1 to 4 has an electric motor 2 or the like which is flanged to a housing 1 and forms the rotary drive.
  • Whose motor shaft not shown in detail, is rotatably connected to a thread eyelet carrier 3.
  • the incoming thread F enters a central channel of the motor shaft and from there to the thread eyelet 4 of the thread eyelet carrier 3, which rotates in the direction of the arrow x shown in FIG. 2.
  • the rotary drive is associated with a braking device, which is not illustrated in detail but is known in such delivery devices.
  • the motor shaft of the electric motor 2 is the carrier of a storage body 5.
  • a storage body 5 is a standing storage body.
  • it has a jacket wall 6 designed as a drum, which merges into an end wall 7 at the end of the delivery device on the discharge side.
  • the trigger-side end of the jacket wall 6 is overlapped by a spherical ring head surface 8.
  • the latter is assigned a brake ring 10 equipped with bristles 9, which in turn is seated on a bracket 11. It is attached to the housing 1 by means of an annular flange 12.
  • the end of the arm 11 facing the ring head surface 8 carries at a bend 13 a thread take-off eye 14 which is coaxial to the axis of the storage body 5 and is arranged at a distance in front of the ring head surface 8.
  • the end of the jacket wall 6 facing the thread eyelet carrier 3 merges into a conical extension 16 via a ring groove 15.
  • the pitch angle of this conical extension is approx. 45 °.
  • a parallel section 17 adjoins the conical extension 16 and is overlapped by the thread eyelet carrier 3.
  • the storage body 5 is assigned rods 18 arranged in the same angular distribution, which partly lie in grooves 19 of the jacket wall 6 and protrude beyond them.
  • the ends 22 of the rods 18 adjoining the angular groove 20 engage in slots 21 of the conical widening 16 extending from the grooves 19.
  • the rods are supported with these ends 22 on radially directed fingers 23 of an adjusting disk 24.
  • the rods 18 with the disk 24 and fingers 23 can be displaced simultaneously in the direction of the arrow illustrated in FIG. 3.
  • the latter is also accessible from the ring head surface 8.
  • An adjustment of the disc 24 in the direction of the arrow leads to a pivoting of the rods 18 about a pivot point located near the ring head surface. In both cases, the winding conditions in the area of the thread feed point are varied.
  • a light barrier strip 27 extending over the entire storage length of the storage body 5 is also located on the extension 11.
  • the storage length in the exemplary embodiment is less than the length of the storage body 5 self.
  • the light barrier 27 has a housing 28. This is the carrier of a transmitter 29 and receiver 30 of the light barrier. Both the transmitter 29 and the receiver 30 extend axially parallel to the storage body 5.
  • the light barrier transmitter 29 has light-emitting diodes 31 which are arranged in rows next to one another and emit modulated light which can be adjusted in terms of their light intensity. Each light-emitting diode 31 is assigned a preferably separate sensor 32 of the light barrier receiver 30.
  • a reflector plate 33 is embedded in the jacket wall. The light coming from the transmitter 29 therefore reaches this reflector board 33 and is then directed to the receiver 30 of the light barrier.
  • the light intensity measured by the light barrier receiver 30 is initially relatively large, so that the rotary drive operates at an increased speed.
  • the light intensity measured by the light barrier receiver 30 decreases along with a reduction in the rotational speed of the rotary drive. Due to the constant thread draw-off, however, the light intensity increases again with a renewed increase in the speed of the thread eyelet carrier 3. It is therefore not necessary to stop the rotary drive completely. This prevents tension peaks that lead to thread breakage.
  • the light response threshold is shifted along with it. This results in an increase in the speed associated with an increase in the thread supply on the storage body.
  • the storage body 5 now carries a support piece 34.
  • the latter is designed as an arc piece and consists of two concentric optical fibers 35 between the receiving plates 36 and 37.
  • aluminum can serve as the material for the plates 36, 37.
  • the light guide fibers 35 are arranged in such a way that their end faces 35 ', 35 "lying next to one another in rows are exposed to the surface of the storage body Photoelectric switch receiver 30 facing.
  • the end sections of the curved piece are embedded in slots 18 'of two adjacent rods 18 in such a way that the end faces 35', 35 "end with the lateral surface of the rods 18. Accordingly, the end faces 35 ', 35" of the rods are displaced when the rods are adjusted Optical fibers 35.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Looms (AREA)
  • Knitting Machines (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Medicinal Preparation (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Claims (8)

1. Dispositif d'alimentation en fils continus (F) comportant un corps de stockage (5), auquel est amené le fil (F) en direction de la périphérie et duquel le fil (F) est extrait par la tête et sur lequel un certain nombre réglable d'enroulements de fils est stocké en réserve entre le point d'entrée et le point d'extraction, dans lequel est prévu, pour déterminer les enroulements de fils, une barrière photoélectrique (27) balayant la surface d'enveloppe du corps de stockage et commandant l'entraînement en rotation (moteur électrique 2) pour l'entrée de fils et dans lequel la vitesse de rotation de l'entraînement à rotation (moteur électrique 2) est commandée en fonction de l'intensité lumineuse (quantité de lumière) mesurée sur le récepteur de barrière photoélectrique (30), caractérisé en ce que la barrière photoélectrique (27) est réalisée en forme de barrette de barrière photoélectrique s'étendant à peu près sur toute la longueur de stockage du corps de stockage (5) et, en ce que l'intensité lumineuse de l'émetteur de barrière photoélectrique (29) peut varier sur toute la longueur de stockage.
2. Dispositif d'alimentation selon une ou plusieurs des revendications précédentes, caractérisé en ce que l'émetteur de barrière photoélectrique (29) est formé par des diodes électroluminescentes (31) contiguës disposées en rangées, émettant de la lumière modulée et réglables en ce qui concerne leur intensité lumineuse.
3. Dispositif d'alimentation selon une ou plusieurs des revendications précédentes, caractérisé en ce que le corps de stockage (5) comporte un guide de lumière, dont les faces frontales (35', 35") s'ouvrent sur la surface d'enveloppe du corps de stockage (6), l'une (35'), de faces frontales de chaque fibre optique (35) étant tournée vers l'émetteur de barrière photoélectrique (29) et l'autre face frontale (35"), décalée à la périphérie du corps de stockage (5), étant tournée vers le récepteur de barrière photoélectrique (30).
4. Dispositif d'alimentation selon une ou plusieurs des revendications précédentes, caractérisé en ce que le guide de lumière est composé de fibres optiques individuelles contiguës (35), disposées en rangées et qui sont montées dans une pièce de support (34).
5. Dispositif d'alimentation selon une ou plusieurs des revendications précédentes, caractérisé en ce que la pièce de support (34) est en forme de pièce cintrée.
6. Dispositif d'alimentation selon une ou plusieurs des revendications précédentes, caractérisé en ce que les faces frontales (35', 35") des fibres optiques (35) se trouvent dans deux barreaux voisins (18) associés de façon réglable au corps de stockage (5) pour permettre la variation de la surface d'enveloppe du corps de stockage dans la zone du point d'enroulement des fils.
7. Dispositif d'alimentation selon une ou plusieurs des revendications précédentes, caractérisé en ce que plusieurs pièces cintrées (34) sont disposées dans la direction de la périphérie du corps de stockage l'une derrière l'autre, de telle façon que leur distance entre elles soit plus petite que le cône d'ouverture associé à l'émetteur et au récepteur de barrière photoélectrique.
8. Dispositif d'alimentation selon une ou plusieurs des revendications précédentes, caractérisé en ce que la pièce de support (34) est composée de deux plaques (36, 37) disposées de façon concentrique l'une par rapport à l'autre et qui reçoivent entre elles les fibres optiques (35).
EP85116233A 1985-02-23 1985-12-19 Dispositif fournisseur de fil Expired EP0192851B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85116233T ATE40873T1 (de) 1985-02-23 1985-12-19 Liefervorrichtung fuer laufende faeden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853506490 DE3506490A1 (de) 1985-02-23 1985-02-23 Liefervorrichtung fuer laufende faeden
DE3506490 1985-02-23

Publications (3)

Publication Number Publication Date
EP0192851A2 EP0192851A2 (fr) 1986-09-03
EP0192851A3 EP0192851A3 (en) 1987-04-15
EP0192851B1 true EP0192851B1 (fr) 1989-02-22

Family

ID=6263449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85116233A Expired EP0192851B1 (fr) 1985-02-23 1985-12-19 Dispositif fournisseur de fil

Country Status (14)

Country Link
US (1) US4687149A (fr)
EP (1) EP0192851B1 (fr)
JP (1) JPS61197371A (fr)
KR (1) KR910006406B1 (fr)
CN (1) CN1009726B (fr)
AT (1) ATE40873T1 (fr)
BR (1) BR8600765A (fr)
CA (1) CA1260685A (fr)
CS (1) CS261233B2 (fr)
DE (2) DE3506490A1 (fr)
ES (1) ES8703810A1 (fr)
GR (1) GR853148B (fr)
PT (1) PT81809B (fr)
SU (1) SU1471946A3 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3601586C1 (de) * 1986-01-21 1987-05-27 Memminger Gmbh Fadenspeicher- und -liefervorrichtung,insbesondere fuer Textilmaschinen
DE3711558C1 (de) * 1987-04-06 1988-06-23 Sipra Patent Beteiligung Fadenliefervorrichtung fuer Strickmaschinen
IT1217339B (it) * 1988-02-11 1990-03-22 Roy Electrotex Spa Alimentatore di filo per macchine tessili
SE8800839D0 (sv) * 1988-03-09 1988-03-09 Iro Ab Forfarande och anordning for hastighetsreglering av en fournissor for mellan-lagring av garn, trad eller dylikt
US5377922A (en) * 1990-06-06 1995-01-03 Iro Ab Sensing and/or analysis system for thread feeder
US5211347A (en) * 1990-06-29 1993-05-18 Sobrevin Societe De Brevets Industriels-Etablissement Thread feed device
DE4112016C1 (en) * 1991-04-12 1992-08-06 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De Flight path and/or actual speed detector - uses sensor at circular gap between fixed parts of missile to register speed of unwinding of guiding optical fibre
SE502175C2 (sv) * 1993-12-17 1995-09-04 Iro Ab Förfarande och anordning för fastställande av trådmagasinets variation på en fournissör
SE511091C2 (sv) * 1993-04-21 1999-08-02 Sipra Patent Beteiligung Garnmatare för textilmaskiner
DE9307967U1 (de) * 1993-05-26 1994-10-06 Palitex Project Co Gmbh Doppeldraht-Zwirnspindel
DE19508758A1 (de) * 1995-03-10 1996-09-12 Iro Ab Liefervorrichtung
IT235945Y1 (it) * 1995-09-28 2000-07-18 Lgl Electronics Spa Apparecchio alimentatore di trama per macchine tessili, con mezziantiusura di protezione del dispositivo di sorveglianza della riserva
DE10232827A1 (de) * 2002-07-19 2004-02-05 Temco Textilmaschinenkomponenten Gmbh Vorrichtung und Verfahren zur Überwachung einer Vielzahl nebeneinander angeordneter Fäden
IT1402928B1 (it) * 2010-12-13 2013-09-27 Roj S R L Porgitrama per telaio tessile
ITMI20100390U1 (it) * 2010-12-23 2011-03-24 Roj Srl Gruppo di sensori ottici a rilessione in un porgitrama per telai tessili.
ITMI20150031U1 (it) 2015-02-12 2016-08-12 Btsr Int Spa Alimentatore di filo, del tipo a tamburo rotante con rilevamento della densita' di filo presente su di esso
JP2017077949A (ja) * 2015-10-21 2017-04-27 村田機械株式会社 糸巻取装置
CN106592092B (zh) * 2016-12-28 2018-04-13 江南大学 一种纱线超低速间歇式运动传感器及其工作方法
CN109292523B (zh) * 2018-10-10 2020-08-25 长飞光纤光缆股份有限公司 大容量线缆智能储线装置及其使用方法
CN110002273B (zh) * 2019-04-28 2023-11-28 徐州恒辉编织机械有限公司 一种存储纱线的储线机
CN112811271B (zh) * 2020-12-29 2022-10-28 三一海洋重工有限公司 一种缆绳卷放保护装置及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD78930A (fr) *
CH616902A5 (fr) * 1976-10-28 1980-04-30 Sulzer Ag
SE408890B (sv) * 1977-11-14 1979-07-16 Aros Electronics Ab Sett och apparat for styrning av en tradmatningsanordning
IT1135172B (it) * 1981-01-26 1986-08-20 Roy Electrotex Spa Dispositivo elettrico di azionamento di apparecchi alimentatori di filo per macchine tessili
EP0094099B1 (fr) * 1982-05-12 1986-08-27 Aktiebolaget Iro Système de contrôle pour métier à tisser
IT1176259B (it) * 1984-06-04 1987-08-18 Roy Electrotex Spa Alimentatore di trama per telai di tessitura

Also Published As

Publication number Publication date
US4687149A (en) 1987-08-18
CS261233B2 (en) 1989-01-12
JPS61197371A (ja) 1986-09-01
BR8600765A (pt) 1986-11-18
CN86100631A (zh) 1986-08-20
ES8703810A1 (es) 1987-03-16
SU1471946A3 (ru) 1989-04-07
DE3506490A1 (de) 1986-09-04
CS27086A2 (en) 1988-05-16
PT81809B (pt) 1992-04-30
EP0192851A3 (en) 1987-04-15
GR853148B (fr) 1986-04-29
CA1260685A (fr) 1989-09-26
CN1009726B (zh) 1990-09-26
ATE40873T1 (de) 1989-03-15
EP0192851A2 (fr) 1986-09-03
PT81809A (de) 1986-02-01
DE3568322D1 (en) 1989-03-30
KR860006580A (ko) 1986-09-13
KR910006406B1 (ko) 1991-08-21
DE3506490C2 (fr) 1987-01-02
ES550878A0 (es) 1987-03-16

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