EP1020551A2 - Métier à tisser avec ensouple à chaíne entraínée par deux actionneurs - Google Patents
Métier à tisser avec ensouple à chaíne entraínée par deux actionneurs Download PDFInfo
- Publication number
- EP1020551A2 EP1020551A2 EP99125830A EP99125830A EP1020551A2 EP 1020551 A2 EP1020551 A2 EP 1020551A2 EP 99125830 A EP99125830 A EP 99125830A EP 99125830 A EP99125830 A EP 99125830A EP 1020551 A2 EP1020551 A2 EP 1020551A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- loom
- actuators
- warp yarns
- tension
- controlled
- 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
Links
- 238000009941 weaving Methods 0.000 title claims abstract description 10
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/04—Control of the tension in warp or cloth
- D03D49/06—Warp let-off mechanisms
- D03D49/10—Driving the warp beam to let the warp off
Definitions
- the present invention relates to an important improvement in driving the warp beam of weaving looms and achieves important advantages in terms of the design and operation of these textile machines.
- the present invention aims to eliminate these drawbacks and provides for this purpose a weaving loom of the type in which the warp yarns - which are wound onto the beam and directed towards the fabric forming zone of the loom - are unwound by means of slow rotation of the beam itself and are kept at a controlled tension along their section between the yarn carrier and the fabric pulling device, characterized in that said beam is driven at each of its two ends by a corresponding actuator, said actuators, located on the sides of the loom, performing a combined driving of the beam, so as to ensure controlled tension of the warp yarns.
- said actuators for the combined driving of the beam are electric motors controlled by electronic means which detect and manage one or more characteristic parameters of the chain of warp yarns, including the tension of said yarns.
- the weaving loom provides, in a known manner, a single beam 1 from which the warp yarns F, directed towards the fabric forming zone and suitably supported by a yarn carrier 2, are unwound.
- the loom In order to perform the slow rotation of the beam 1 which determines unwinding of the yarns F, the loom is provided, according to the invention, with two actuators 3 and 4 which are located on the sides of the loom and which drive the corresponding ends 5 and 6 of the shaft of the beam 1.
- said actuators 3 and 4 consist of electric motors which can be controlled electronically.
- devices 7, 8 and 9 for measuring - directly or indirectly - the tension of the warp yarns or another typical parameter of the warp chain are provided (Fig. 2), said devices being able to detect said parameter respectively close to the yarn carrier, halfway along the warp chain and close to the fabric pulling device.
- Fig. 3 The system for controlling unwinding of the warp beam is shown in Fig. 3: the signal detected by the sensors 7, 8 and 9 for the typical parameter of the warp chain, which is processed by a microprocessor or, more generally, by a processing network 10, is sent to the pair of actuators 3 and 4 so as to perform in a combined manner the unwinding of the beam controlled by them.
- the actuators 3 and 4 which consist of a main actuator and a slave actuator, are controlled by electronic control units 11 and 12, communicating with each other and with the processing network 10, so as to ensure the synchronized adaptation of the speed of rotation of the ends of the beam controlled by the actuators with respect to a suitable distribution of the torque, in order to manage the energy consumption.
- the following procedure is used: the electric current characterizing the type of electrical actuation at the ends of the beam, in both the actuators, is measured; the electric current value of the control unit of the master actuator is sent to the control unit of the slave actuator; the associated values are compared; depending on the difference determined in said comparison, an (angular) offset position is added to that of the slave actuator, so as to obtain in it the same current value as the master actuator.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Tents Or Canopies (AREA)
- Jib Cranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1998MI002810A IT1303654B1 (it) | 1998-12-23 | 1998-12-23 | Telaio di tessitura con subbio di ordito azionato da due attuatori |
ITMI982810 | 1998-12-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1020551A2 true EP1020551A2 (fr) | 2000-07-19 |
EP1020551A3 EP1020551A3 (fr) | 2000-08-02 |
EP1020551B1 EP1020551B1 (fr) | 2002-11-06 |
Family
ID=11381334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99125830A Expired - Lifetime EP1020551B1 (fr) | 1998-12-23 | 1999-12-23 | Métier à tisser avec ensouple à chaíne entraínée par deux actionneurs |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1020551B1 (fr) |
AT (1) | ATE227365T1 (fr) |
DE (1) | DE69903787T2 (fr) |
ES (1) | ES2184385T3 (fr) |
IT (1) | IT1303654B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20120340A1 (it) * | 2012-03-06 | 2013-09-07 | Btsr Int Spa | Dispositivo e metodo di alimentazione di fili di ordito ad un telaio |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4262706A (en) * | 1977-12-02 | 1981-04-21 | Sulzer Brothers Limited | Loom |
EP0136389A1 (fr) * | 1983-10-03 | 1985-04-10 | Maschinenfabrik Sulzer-Rüti Ag | Mécanisme de contrôle du déroulement de fils de chaîne pour métier à tisser |
EP0204233A2 (fr) * | 1985-05-31 | 1986-12-10 | VAMATEX S.p.A. | Dispositif de déroulement pour les ensouples d'ourdissage doubles dans les métiers à tisser |
JPH02160953A (ja) * | 1988-12-12 | 1990-06-20 | Tsudakoma Corp | ツインビーム電動送り出し用の制御装置 |
DE4219896A1 (de) * | 1991-06-19 | 1992-12-24 | Ergotron Dondi Benelli Dore | Steuersystem fuer das abwickeln der kette in einer webmaschine mit wenigstens zwei zwillings-kettbaeumen |
EP0624675A1 (fr) * | 1993-05-11 | 1994-11-17 | Tsudakoma Kogyo Kabushiki Kaisha | Dispositif de contrôle de l'alimentation de fils de chaîne pour métier à tisser avec ensouples sectionnelles |
-
1998
- 1998-12-23 IT IT1998MI002810A patent/IT1303654B1/it active
-
1999
- 1999-12-23 DE DE69903787T patent/DE69903787T2/de not_active Expired - Lifetime
- 1999-12-23 EP EP99125830A patent/EP1020551B1/fr not_active Expired - Lifetime
- 1999-12-23 ES ES99125830T patent/ES2184385T3/es not_active Expired - Lifetime
- 1999-12-23 AT AT99125830T patent/ATE227365T1/de not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4262706A (en) * | 1977-12-02 | 1981-04-21 | Sulzer Brothers Limited | Loom |
EP0136389A1 (fr) * | 1983-10-03 | 1985-04-10 | Maschinenfabrik Sulzer-Rüti Ag | Mécanisme de contrôle du déroulement de fils de chaîne pour métier à tisser |
EP0204233A2 (fr) * | 1985-05-31 | 1986-12-10 | VAMATEX S.p.A. | Dispositif de déroulement pour les ensouples d'ourdissage doubles dans les métiers à tisser |
JPH02160953A (ja) * | 1988-12-12 | 1990-06-20 | Tsudakoma Corp | ツインビーム電動送り出し用の制御装置 |
DE4219896A1 (de) * | 1991-06-19 | 1992-12-24 | Ergotron Dondi Benelli Dore | Steuersystem fuer das abwickeln der kette in einer webmaschine mit wenigstens zwei zwillings-kettbaeumen |
EP0624675A1 (fr) * | 1993-05-11 | 1994-11-17 | Tsudakoma Kogyo Kabushiki Kaisha | Dispositif de contrôle de l'alimentation de fils de chaîne pour métier à tisser avec ensouples sectionnelles |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 014, no. 423 (C-0757), 12 September 1990 (1990-09-12) & JP 02 160953 A (TSUDAKOMA CORP), 20 June 1990 (1990-06-20) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20120340A1 (it) * | 2012-03-06 | 2013-09-07 | Btsr Int Spa | Dispositivo e metodo di alimentazione di fili di ordito ad un telaio |
WO2013132312A2 (fr) | 2012-03-06 | 2013-09-12 | Btsr International S.P.A. | Dispositif et procédé permettant d'alimenter des fils de chaîne sur un métier à tisser |
WO2013132312A3 (fr) * | 2012-03-06 | 2014-05-08 | Btsr International S.P.A. | Dispositif et procédé permettant d'alimenter des fils de chaîne sur un métier à tisser |
Also Published As
Publication number | Publication date |
---|---|
DE69903787T2 (de) | 2003-07-17 |
ITMI982810A1 (it) | 2000-06-23 |
DE69903787D1 (de) | 2002-12-12 |
EP1020551A3 (fr) | 2000-08-02 |
IT1303654B1 (it) | 2001-02-21 |
ES2184385T3 (es) | 2003-04-01 |
EP1020551B1 (fr) | 2002-11-06 |
ATE227365T1 (de) | 2002-11-15 |
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