EP0682132B1 - Verfahren und Webmaschine zur Ueberwachung der Warenrandstellung - Google Patents
Verfahren und Webmaschine zur Ueberwachung der Warenrandstellung Download PDFInfo
- Publication number
- EP0682132B1 EP0682132B1 EP94810271A EP94810271A EP0682132B1 EP 0682132 B1 EP0682132 B1 EP 0682132B1 EP 94810271 A EP94810271 A EP 94810271A EP 94810271 A EP94810271 A EP 94810271A EP 0682132 B1 EP0682132 B1 EP 0682132B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor member
- accordance
- weaving machine
- cloth
- run
- 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 - Lifetime
Links
- 238000009941 weaving Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 17
- 239000004744 fabric Substances 0.000 title claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 241001422033 Thestylus Species 0.000 description 13
- 210000000056 organ Anatomy 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/002—Avoiding starting marks
-
- 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 invention relates to a method and a device for scanning the edge of the goods in a weaving machine and a weaving machine with such a device.
- DE-A-3 435 391 discloses that the edge positioning of a video camera is captured.
- another method which is based on the preamble of claim 1, e.g. a feeler shifted in the warp direction and the Edge of goods determined by an output signal, when the sensor has passed the edge of the goods.
- This method has the disadvantage that the scanning too a predetermined point in time and that Assumption that the movement of the goods edge is completed is.
- the invention has for its object a method to improve the scanning of the edge of the goods, in which the goods edge movement during the standstill of Loom is scanned.
- This method is advantageous all movements of the goods edge during the Downtime of the weaving machine e.g. at Bug fixes found.
- the reset of the The edge of the goods can be done immediately and then the Loom to be started.
- the probe is advantageously in the bottom of the Fabric web introduced because this places the Probe organ inside the tissue web and with one minimal distance from the edge of the goods is made possible.
- An apparatus for performing the method is according to the invention by the features of claim 5 featured.
- a housing 1 In a housing 1 are a stylus 2, an electromagnet 3, an inductive Displacement sensor 4, a one-armed lever 5 and a tension spring 6 arranged.
- the electromagnet 3 has an armature part 7.
- the Lever 5 is hinged at one end to a housing wall 8 and lies on the anchor part 7.
- the stylus 2 is on attached at one end to the lever 5 and is in one Elongated hole 9 guided in a second housing wall 10.
- Position sensor 4 interacts.
- a stylus 23 In a housing 21 are a stylus 23 a two-way air cylinder 23rd and a contact arrangement 24 are arranged.
- the impression cylinder 23 has a piston 25 and is via two hose lines 26 with a compressed air source, not shown connected.
- the stylus 23 is at one end with the Piston 25 connected and at the other end in an elongated hole 26 guided in a housing wall 27.
- the contact arrangement has two contacts, the contact surfaces of which are at a distance are arranged to each other.
- the stylus 22 is between the contact surfaces, the distances between the stylus and the contact surfaces are the same.
- the weaving process may be due to operational problems in the Weaving machine or defects in the threads to be woven to be interrupted.
- the lever 5 is pivoted and the needle in the Fabric web 18 driven.
- the Elongated side surfaces a guide that a lateral Deflection of the stylus restricted.
- the position of the in the stylus inserted with respect to the Position sensor is in the zero position Machine control saved.
- Interruption of operation of the weaving machine becomes the position of the Due to different causes and Operations e.g. by automatically relaxing the tissue and the warp threads changed.
- the device is in a weaving machine on the Weaver stand in front of reed 17 and below Fabric web 18 arranged so that the stylus 2, 22 is close the goods edge 19 can be inserted into the fabric web 18 (Fig. 1).
- a particular advantage of the device described is also that when used with Air looms, as is known during the Weft thread stop, the edge of the goods from the weft insertion channel is covered, can be used unhindered.
- the stylus 2 is one Actuator 3 connected to the stylus 2 in insert the fabric web 18 and with a displacement sensor 3 inductively coupled to the displacement of the goods edge 19th to eat.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Description
- Fig. 1
- eine Ausführungsform einer erfindungsgemässen Vorrichtung im Schnitt und
- Fig. 2
- eine andere Ausführungsform einer erfindungsgemässen Vorrichtung.
Claims (12)
- Verfahren zur Abtastung der Warenrandstellung in einer Webmaschine mit einem Tastorgan (2;22), das mit der Gewebebahn (18) in Wirkverbindung ist und in Abhängigkeit der Verschiebung des Warenrandes (19) ein Signal abgibt, dadurch gekennzeichnet, dass das Tastorgan (2;22) bei einer Betriebsunterbrechung der Webmaschine in die Gewebebahn (18) eingeführt wird, um die Verschiebung des Warenrandes (19) während des Stillstandes der Webmaschine zu messen.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Tastorgan (2;22) in die Unterseite der Gewebebahn (18) eingeführt wird.
- Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass das Tastorganeine Nadel (2,22) ist, welche nahe des Warenrandes (19) in die Gewebebahn eingeführt wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Lageänderung des Tastorgans (2;22) kontinuierlich oder diskontinuierlich erfasst wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Signal als Anzeige- und/oder Steuersignal verwendet wird, um den Warenrand (19) in die ursprüngliche Stellung zurückzuführen.
- Vorrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 5, gekennzeichnet durch eine erste Einrichtung (3; 23) die mit dem Tastorgan (2; 22) verbunden ist, um das Tastorgan zu betätigen und durch eine zweite Einrichtung (4; 24) die mit dem Tastorgan in Wirkverbindung ist, um ein von der durch die Verschiebung der Gewebebahn (18) bewirkte Lageänderung des Tastorgans abhängiges Signal zu erzeugen.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die erste Einrichtung einen Arbeitszylinder (23) aufweist.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die erste Einrichtung einen Elektromagnet (3) aufweist.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die zweite Einrichtung ein induktiver Wegaufnehmer (4) ist.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die zweite Einrichtung eine Kontaktanordnung (24) ist.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die erste Einrichtung (3) ein Rückstellorgan (6) für das Tastorgan (2) aufweist, um das Tastorgan und die Gewebebahn (18) ausser Eingriff zu bringen.
- Webmaschine mit einer Vorrichtung nach einem der Ansprüche 6 bis 11.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59408586T DE59408586D1 (de) | 1994-05-09 | 1994-05-09 | Verfahren und Webmaschine zur Ueberwachung der Warenrandstellung |
EP94810271A EP0682132B1 (de) | 1994-05-09 | 1994-05-09 | Verfahren und Webmaschine zur Ueberwachung der Warenrandstellung |
US08/397,530 US5520224A (en) | 1994-05-09 | 1995-03-01 | Method and weaving machine for monitoring the fell position following weaving operation interuption |
JP7069706A JPH07316955A (ja) | 1994-05-09 | 1995-03-28 | 織前位置を監視する方法及び織機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94810271A EP0682132B1 (de) | 1994-05-09 | 1994-05-09 | Verfahren und Webmaschine zur Ueberwachung der Warenrandstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0682132A1 EP0682132A1 (de) | 1995-11-15 |
EP0682132B1 true EP0682132B1 (de) | 1999-08-04 |
Family
ID=8218251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94810271A Expired - Lifetime EP0682132B1 (de) | 1994-05-09 | 1994-05-09 | Verfahren und Webmaschine zur Ueberwachung der Warenrandstellung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5520224A (de) |
EP (1) | EP0682132B1 (de) |
JP (1) | JPH07316955A (de) |
DE (1) | DE59408586D1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60313619T2 (de) * | 2003-11-10 | 2008-01-31 | Promatech S.P.A., Colzate | Verfahren zum Wiederanlaufen einer Webmaschine nach einem Stillstand und/oder einer Änderung der Position der Kette |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5846150A (ja) * | 1981-09-11 | 1983-03-17 | 津田駒工業株式会社 | 織機の定位置停止装置 |
DE3367635D1 (en) * | 1983-10-03 | 1987-01-02 | Rueti Ag Maschf | Warp let-off control mechanism for looms |
SE448002B (sv) * | 1983-10-07 | 1987-01-12 | Asea Ab | Optisk uppmetning samt overvakning av vevda produkter vid maskinvevstolar |
DE3520244A1 (de) * | 1984-08-24 | 1986-03-06 | Aktiengesellschaft Adolph Saurer, Arbon | Warenabzugseinrichtung an einer webmaschine |
CH668997A5 (en) * | 1985-12-16 | 1989-02-15 | Zellweger Uster Ag | Re-start working parameter control - for weaving loom by warp tension sensor and microcomputer with memory |
JP2894709B2 (ja) * | 1988-12-28 | 1999-05-24 | 株式会社豊田中央研究所 | 経糸速度制御装置 |
JP2849463B2 (ja) * | 1990-09-27 | 1999-01-20 | 津田駒工業株式会社 | 織機の織り欠点防止装置 |
-
1994
- 1994-05-09 EP EP94810271A patent/EP0682132B1/de not_active Expired - Lifetime
- 1994-05-09 DE DE59408586T patent/DE59408586D1/de not_active Expired - Fee Related
-
1995
- 1995-03-01 US US08/397,530 patent/US5520224A/en not_active Expired - Fee Related
- 1995-03-28 JP JP7069706A patent/JPH07316955A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH07316955A (ja) | 1995-12-05 |
EP0682132A1 (de) | 1995-11-15 |
DE59408586D1 (de) | 1999-09-09 |
US5520224A (en) | 1996-05-28 |
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