EP0206196A2 - Control device for the double threads in warp tying machines - Google Patents
Control device for the double threads in warp tying machines Download PDFInfo
- Publication number
- EP0206196A2 EP0206196A2 EP86108183A EP86108183A EP0206196A2 EP 0206196 A2 EP0206196 A2 EP 0206196A2 EP 86108183 A EP86108183 A EP 86108183A EP 86108183 A EP86108183 A EP 86108183A EP 0206196 A2 EP0206196 A2 EP 0206196A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- thread
- threads
- warp
- double
- organ
- 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
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Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
- D03J1/16—Apparatus for joining warp ends
Definitions
- 1.Monitoring device for double threads on warp knotting machines which have a knitting organ, clamps for the warp thread coulters to be linked together and an organ for dividing the respective edge warp thread and for moving it out of the warp thread plane, characterized in that the warp threads (K a , K n ) in Area between the compartment organ (4, 4 ') and a clamp (2, 2') are guided over a thread guide (8), around which the edge warp thread (K r ) is deflected when moving out of the warp thread plane, that in the deflecting area of the edge warp thread Measuring element (10, 10 ') is arranged for measuring the force acting on the deflection point or on the dividing element by means of a deflected warp thread, and that the measurement signal obtained thereby forms the criterion for the presence of a double thread.
- Monitoring device characterized in that the measuring element (10, 10 ') of the thread guide (8) is assigned and arranged in its area.
- Monitoring device characterized in that the thread guide (8) in the area next to the warp thread sheet (K, K) has a part by a deflected edge warp thread (K) adjustable or deformable, over which the divided edge warp thread is moved, and that the measuring element (10, 10 ') is arranged in the area of this part.
- K deflected edge warp thread
- the thread guide (8) consists of a rigid part (17) and a pivoting part (18) mounted thereon, which adjusts the said adjustable or deformable part, and that the measuring element (10, 10 ') for detecting the adjustment of this swivel part is formed by a divided edge warp thread (K).
- Monitoring device characterized in that the pivoting part (18) on the rigid part (17) is supported on one side by a leaf spring (19), and that the measuring element (10, 10 ') by two opposite sides of this leaf spring attached strain gauge (20) or is formed by a piezoelectric sensor sensitive to bending.
- monitoring device characterized in that the thread guide (8) in the region of the adjustable or deformable part by a divided edge warp thread (K) is designed to be bendable, and that the measuring element (10, 10 ') by one between the bendable and the rigid part (17) of the thread guide clamped strain gauge (20) or is formed by a piezoelectric sensor sensitive to bending.
- the thread guide (8) in the region of the adjustable or deformable part has an element connected to a piezoelectric transducer, the force of which on the transducer is proportional to the contact force of a separated edge warp thread (K).
- Monitoring device characterized in that said element is formed like a bow or flat and is supported by an axis oriented in the direction of the bearing force and contacting the piezoelectric transducer.
- Monitoring device characterized in that for each of the two warp thread groups (K a , K n ) to be linked, a measuring element (10, 10 ') is provided, the measuring signal via an amplifier (11) and a Evaluation stage (12) of the control unit (13) of the knotting machine (3) is fed.
- monitoring device characterized in that the evaluation stage (12) has a threshold value detector for the measurement signals, the threshold value of which is set such that a measurement signal exceeding this indicates the division of a double thread.
- monitoring device characterized in that the control unit (13) of the knotting machine (3) has a connection (14) with its drive (15) or interrupting switch (14) and separate displays (16, 16 ') for the occurrence of a Double thread in one of the two warp thread groups (K a , K n ), and that the switch and the displays are controlled by the output signal of the evaluation stage (12).
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
- Warping, Beaming, Or Leasing (AREA)
- Knitting Machines (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
1. Ueberwachungsvorrichtung für Doppelfäden an Webkettenknüpfmaschinen, welche ein Knüpforgan, Klemmen für die miteinander zu verknüpfenden Kettfadenscharen sowie ein Organ zum Abteilen des jeweiligen Randkettfadens und zu dessen Herausbewegen aus der Kettfadenebene aufweisen, dadurch gekennzeichnet, dass die Kettfäden (Ka, Kn) im Bereich zwischen dem Abteilorgan (4, 4') und einer Klemme (2, 2') über eine Fadenführung (8) geführt sind, um welche der Randkettfaden (Kr) beim Herausbewegen aus der Kettfadenebene umgelenkt wird, dass im Umlenkbereich des Randkettfadens ein Messorgan (10, 10') zur Messung der durch einen umgelenkten Kettfaden auf die Umlenkstelle oder auf das Abteilorgan wirkenden Kraft angeordnet ist, und dass das dabei gewonnene Messignal das Kriterium für das Vorhandensein eines Doppelfadens bildet.1.Monitoring device for double threads on warp knotting machines, which have a knitting organ, clamps for the warp thread coulters to be linked together and an organ for dividing the respective edge warp thread and for moving it out of the warp thread plane, characterized in that the warp threads (K a , K n ) in Area between the compartment organ (4, 4 ') and a clamp (2, 2') are guided over a thread guide (8), around which the edge warp thread (K r ) is deflected when moving out of the warp thread plane, that in the deflecting area of the edge warp thread Measuring element (10, 10 ') is arranged for measuring the force acting on the deflection point or on the dividing element by means of a deflected warp thread, and that the measurement signal obtained thereby forms the criterion for the presence of a double thread.
2. Ueberwachungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Messorgan (10, 10') der Fadenführung (8) zugeordnet und in deren Bereich angeordnet ist.2. Monitoring device according to claim 1, characterized in that the measuring element (10, 10 ') of the thread guide (8) is assigned and arranged in its area.
3. Ueberwachungsvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Fadenführung (8) im Bereich neben der Kettfadenschar (K , K ) einen durch einen umgalenkten Randkettfaden (K ) verstell- oder verformbaren Teil aufweist, über welchen der abgeteilte Randkettfaden bewegt wird, und dass das Messorgan (10, 10') im Bereich dieses Teils angeordnet ist.3. Monitoring device according to
4. Ueberwachungsvorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Fadenführung (8) aus einem starren Teil (17) und aus einem an diesem gelagerten Schwenkteil (18) besteht, welcher den genannten verstell-oder verformbaren Teil bildet, und dass das Messorgan (10, 10') zur Detektion der Verstellung dieses Schwenkteils durch einen abgeteilten Randkettfaden (K ) ausgebildet ist.4. Monitoring device according to claim 3, characterized in that the thread guide (8) consists of a rigid part (17) and a pivoting part (18) mounted thereon, which adjusts the said adjustable or deformable part, and that the measuring element (10, 10 ') for detecting the adjustment of this swivel part is formed by a divided edge warp thread (K).
5. Ueberwachungsvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass der Schwenkteil (18) am starren Teil (17) einseitig durch eine Blattfeder (19) gelagert ist, und dass das Messorgan (10, 10') durch zwei an einander gegenüberliegenden Seiten dieser Blattfeder befestigte Dehnungsmessstreifen (20) oder durch einen auf Biegung empfindlichen piezoelektrischen Sensor gebildet ist.5. Monitoring device according to
6. Ueberwachungsvorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Fadenführung (8) im Bereich des verstell- oder verformbaren Teils durch einen abgeteilten Randkettfaden (K ) durchbiegbar ausgebildet ist, und dass das Messorgan (10, 10') durch einen zwischen dem durchbiegbaren und dem starren Teil (17) der Fadenführung eingespannten Dehnungsmessstreifen (20) oder durch einen auf Biegung empfindlichen piezoelektrischen Sensor gebildet ist.6. Monitoring device according to claim 3, characterized in that the thread guide (8) in the region of the adjustable or deformable part by a divided edge warp thread (K) is designed to be bendable, and that the measuring element (10, 10 ') by one between the bendable and the rigid part (17) of the thread guide clamped strain gauge (20) or is formed by a piezoelectric sensor sensitive to bending.
7. Ueberwachungsvorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der Dehnungsmessstreifen (20') auf einen Träger (23) aus elastischem Kunststoff appliziert ist.7. Monitoring device according to
8. Ueberwachungsvorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der Dehnungsmessstreifen (20') in einen Träger (23) aus elastischem Kunststoff eingebettet, vorzugsweise eingegossen ist.8. Monitoring device according to
9. Ueberwachungsvorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Fadenführung (8) im Bereich des verstell- oder verformbaren Teils ein mit einem piezoelektrischen Wandler verbundenes Element aufweist, dessen Kraft auf den Wandler der Auflagekraft eines abgeteilten Randkettfaden (K ) proportional ist.9. Monitoring device according to claim 3, characterized in that the thread guide (8) in the region of the adjustable or deformable part has an element connected to a piezoelectric transducer, the force of which on the transducer is proportional to the contact force of a separated edge warp thread (K).
10. Ueberwachungsvorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass das genannte Element bügelartig oder flächig ausgebildet und von einem in Richtung der Auflagekraft orientierten und den piezoelektrischen Wandler kontaktierenden Achse getragen ist.10. Monitoring device according to claim 9, characterized in that said element is formed like a bow or flat and is supported by an axis oriented in the direction of the bearing force and contacting the piezoelectric transducer.
11. Ueberwachungsvorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass für jede der beiden zu verknüpfenden Kettfadenscharen (Ka, Kn) ein Messorgan (10, 10') vorgesehen ist, dessen Messignal über einen Verstärker (11) und eine Auswertstufe (12) der Steuereinheit (13) der Knüpfmaschine (3) zugeführt ist.11. Monitoring device according to one of claims 1 to 10, characterized in that for each of the two warp thread groups (K a , K n ) to be linked, a measuring element (10, 10 ') is provided, the measuring signal via an amplifier (11) and a Evaluation stage (12) of the control unit (13) of the knotting machine (3) is fed.
12. Ueberwachungsvorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass die Auswertstufe (12) einen Schwellwertdetektor für die Messignale aufweist, dessen Schwellwert so eingestellt ist, das ein diesen übersteigendes Messignal die Abteilung eines Doppelfadens anzeigt.12. Monitoring device according to
13. Ueberwachungsvorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass die Steuereinheit (13) der Knüpfmaschine (3) einen die Verbindung mit ihrem Antrieb (15) herstellenden oder unterbrechenden Schalter (14) sowie getrennte Anzeigen (16, 16') für das Auftreten eines Doppelfadens in einer der beiden Kettfadenscharen (Ka, Kn) aufweist, und dass der Schalter und die Anzeigen durch das Ausgangssignal der Auswertstufe (12) angesteuert sind.13. Monitoring device according to
Claims (30)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86108183T ATE66501T1 (en) | 1985-06-26 | 1986-06-16 | MONITORING DEVICE FOR DOUBLE THREADS ON WARP TYING MACHINES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2716/85 | 1985-06-26 | ||
CH2716/85A CH668277A5 (en) | 1985-06-26 | 1985-06-26 | MONITORING DEVICE FOR DOUBLE THREADS ON WEB-CHAIN BUTTON MACHINES. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0206196A2 true EP0206196A2 (en) | 1986-12-30 |
EP0206196A3 EP0206196A3 (en) | 1989-04-05 |
EP0206196B1 EP0206196B1 (en) | 1991-08-21 |
Family
ID=4239988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86108183A Expired - Lifetime EP0206196B1 (en) | 1985-06-26 | 1986-06-16 | Control device for the double threads in warp tying machines |
Country Status (6)
Country | Link |
---|---|
US (1) | US4805276A (en) |
EP (1) | EP0206196B1 (en) |
JP (1) | JPH0718077B2 (en) |
AT (1) | ATE66501T1 (en) |
CH (1) | CH668277A5 (en) |
DE (1) | DE3680957D1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1870501A1 (en) * | 2006-06-23 | 2007-12-26 | Stäubli AG Pfäffikon | Device for separating yarns from a yarn layer, method for operating said device and use of said device |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1000900A4 (en) * | 1987-09-02 | 1989-05-09 | Picanol Nv | MEET-AND detection device FOR DETERMINING THE LOCATION OF A BREACH OF A CHAIN WIRE FOR LOOMS. |
JPH07101795B2 (en) * | 1990-03-26 | 1995-11-01 | 日本たばこ産業株式会社 | Work transfer method |
KR930004078B1 (en) * | 1990-03-28 | 1993-05-20 | 쯔다고마 고오교오 가부시끼가이샤 | Method of restoring a broken warp after mending the same |
CH687540A5 (en) * | 1992-02-07 | 1996-12-31 | Staeubli Ag | Method and apparatus for determining strength properties of the warp threads of a warp. |
CH685635A5 (en) * | 1992-06-17 | 1995-08-31 | Zellweger Uster Ag | Arrangement for controlling the presence of yarns a spanned yarn layer on a textile machine. |
EP1908866A1 (en) * | 2006-10-06 | 2008-04-09 | Stäubli AG Pfäffikon | Device and process for connecting threads from a first thread layer with threads from a second thread layer |
US9533855B2 (en) * | 2012-01-24 | 2017-01-03 | Nike, Inc. | Intermittent weaving splicer |
US20130189890A1 (en) | 2012-01-24 | 2013-07-25 | Nike, Inc. | Weaving Using Reactive Materials |
CN106995971A (en) * | 2017-04-22 | 2017-08-01 | 诸暨市凯利纺织机械有限公司 | Tying machine with regular separated time function |
CN112357687A (en) * | 2020-09-22 | 2021-02-12 | 夏西明 | Automatic control system of warp splicer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH415488A (en) * | 1964-05-08 | 1966-06-15 | Zellweger Uster Ag | Device for triggering a parking device on a warp preparation machine in the event of failure of a thread severing member |
US3840951A (en) * | 1971-08-23 | 1974-10-15 | Barber Colman Co | Double thread detector |
EP0023583A1 (en) * | 1979-08-03 | 1981-02-11 | Akzo GmbH | Process and apparatus for detecting differences in yarn tensions |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2369536A (en) * | 1943-11-13 | 1945-02-13 | Barber Colman Co | Warp tying machine |
DE875029C (en) * | 1950-07-06 | 1953-04-30 | Guido Herrmann Maschf | Device for transferring the threads to be united from the dividing device to the knitting tools in thread knotting machines, e.g. B. Chain attaching machines |
CH348937A (en) * | 1956-07-10 | 1960-09-15 | Zellweger Uster Ag | Device for dividing cross-read warp threads |
DE1118109B (en) * | 1957-04-18 | 1961-11-23 | Knotex Maschb G M B H | Warp weaving machine |
US2928159A (en) * | 1958-01-18 | 1960-03-15 | Zellweger Uster Ag | Machine for separating the outside thread of a warp |
DE1560548B2 (en) * | 1963-09-21 | 1977-01-20 | Reiners, Walter, Dr.-Ing., 4050 Mönchengladbach | WINDING MACHINE WITH AUTOMATIC KNOTING DEVICE AND A MONITORING DEVICE FOR THE KNOTING OF DOUBLE FEDES |
US3280623A (en) * | 1964-04-10 | 1966-10-25 | Erwin J Saxl | Load cell for measurement of low forces |
US3526130A (en) * | 1968-04-08 | 1970-09-01 | Owens Corning Fiberglass Corp | Apparatus and method for measuring tension in linear material |
BE787621A (en) * | 1971-08-16 | 1973-02-16 | Sandoz Sa | PROCESS FOR PREPARING REAGENT DISAZOIC COMPOUNDS USED IN PARTICULAR FOR DYING CELLULOSIC FIBERS |
US3765777A (en) * | 1972-02-22 | 1973-10-16 | Monsanto Co | Device for locating and identifying threadline defects |
SU506656A1 (en) * | 1973-12-24 | 1976-03-15 | Коломенский Завод Текстильного Машиностроения | The mechanism of the selection of the warp to the nodes of the drive unit |
CH619011A5 (en) * | 1977-06-24 | 1980-08-29 | Zellweger Uster Ag | |
US4233837A (en) * | 1979-02-08 | 1980-11-18 | Owens-Corning Fiberglas Corporation | Apparatus for measuring tension in a linear material |
GB2080552B (en) * | 1980-07-12 | 1984-11-21 | Rubery Owen Group Services Ltd | Measuring loads |
-
1985
- 1985-06-26 CH CH2716/85A patent/CH668277A5/en not_active IP Right Cessation
-
1986
- 1986-06-16 AT AT86108183T patent/ATE66501T1/en not_active IP Right Cessation
- 1986-06-16 EP EP86108183A patent/EP0206196B1/en not_active Expired - Lifetime
- 1986-06-16 DE DE8686108183T patent/DE3680957D1/en not_active Expired - Lifetime
- 1986-06-24 US US06/878,005 patent/US4805276A/en not_active Expired - Lifetime
- 1986-06-24 JP JP61146322A patent/JPH0718077B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH415488A (en) * | 1964-05-08 | 1966-06-15 | Zellweger Uster Ag | Device for triggering a parking device on a warp preparation machine in the event of failure of a thread severing member |
US3840951A (en) * | 1971-08-23 | 1974-10-15 | Barber Colman Co | Double thread detector |
EP0023583A1 (en) * | 1979-08-03 | 1981-02-11 | Akzo GmbH | Process and apparatus for detecting differences in yarn tensions |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1870501A1 (en) * | 2006-06-23 | 2007-12-26 | Stäubli AG Pfäffikon | Device for separating yarns from a yarn layer, method for operating said device and use of said device |
WO2007147282A1 (en) * | 2006-06-23 | 2007-12-27 | Stäubli Ag Pfäffikon | Device for separating threads from a layer of threads, and method for operating and using the device |
US8032995B2 (en) | 2006-06-23 | 2011-10-11 | Staubli Ag Pfaffikon | Device for separating threads from a layer of threads, method for operating the device and use of the device |
Also Published As
Publication number | Publication date |
---|---|
EP0206196A3 (en) | 1989-04-05 |
US4805276A (en) | 1989-02-21 |
EP0206196B1 (en) | 1991-08-21 |
ATE66501T1 (en) | 1991-09-15 |
JPH0718077B2 (en) | 1995-03-01 |
DE3680957D1 (en) | 1991-09-26 |
JPS626945A (en) | 1987-01-13 |
CH668277A5 (en) | 1988-12-15 |
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