EP0443343A1 - Dispositif pour tisser un tissu à surface rugueuse - Google Patents

Dispositif pour tisser un tissu à surface rugueuse Download PDF

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Publication number
EP0443343A1
EP0443343A1 EP91101038A EP91101038A EP0443343A1 EP 0443343 A1 EP0443343 A1 EP 0443343A1 EP 91101038 A EP91101038 A EP 91101038A EP 91101038 A EP91101038 A EP 91101038A EP 0443343 A1 EP0443343 A1 EP 0443343A1
Authority
EP
European Patent Office
Prior art keywords
shaft
pile warp
weaving machine
warp threads
fabric
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
EP91101038A
Other languages
German (de)
English (en)
Other versions
EP0443343B1 (fr
Inventor
Hans Dütsch
Hans Geiger
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.)
Lindauer Dornier GmbH
Original Assignee
Lindauer Dornier 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 Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Publication of EP0443343A1 publication Critical patent/EP0443343A1/fr
Application granted granted Critical
Publication of EP0443343B1 publication Critical patent/EP0443343B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D39/00—Pile-fabric looms
    • D03D39/22—Terry looms

Definitions

  • the invention relates to a device for producing a seersucker fabric on weaving machines, whereby the finished fabric consisting of base warp threads, effect or pile warp threads and weft threads has an oscillating forward and backward movement superimposed on the binding point of the normal fabric withdrawal movement in a 1: 1 rhythm, equal to the plain weave characteristic of seersucker , is communicated in such a way that the effect or pile warp threads are given a length allowance in comparison to the basic warp threads and the device is connected to a drive derived from the main gear of the weaving machine.
  • the necessary differential movement between the base warp sheet and the effect or pile warp sheet is achieved so that the length allowance was achieved by the naturally different tensions (tension difference between the effect or pile warp sheet and the base warp sheet).
  • tension difference between the effect or pile warp sheet and the base warp sheet are achieved in the prior art by a different drive of the pile warp beam compared to the basic warp beam of the weaving machine.
  • the invention is characterized in that on the output side of the weaving machine, after the weaving point of the fabric, a first shaft, which extends over the width of the weaving machine, is rotatably supported at its free ends by a bearing accommodated in the respective weaving machine housing wall and is close of the bearing in question, an eccentric disc is fixedly connected to the first shaft and each eccentric disc is operatively connected to a scanning roller of a roller lever arranged rotatably on a bearing plate, and wherein each roller lever is connected via a coupling to a clamp holder which is oscillating in the area of the aforementioned bearing plate and wherein furthermore, the clamp holders receive the free ends of a second shaft extending over the weaving machine width, and which clamp holders are received in a pivot bearing arranged eccentrically to the longitudinal axis of the second shaft.
  • the first shaft of the device according to the invention is connected in terms of its drive to a drive derived from the main gear of the weaving machine.
  • the inventive task is solved by this measure. It is now possible to achieve a much higher length allowance with absolutely precise, even processing of the fabric is in the range of 41% or more. It is therefore essential that the already finished fabric is informed of the oscillating motion, while at the same time ensuring that the effect or pile warp yarn array does not back away from the actual weaving machine during this oscillating motion to the pile warp beam. This is achieved by a particularly smooth guidance of the effect or pile warp threads on the inlet side.
  • the oscillation movement can be generated in several ways. So it is also conceivable, for example, to provide two mutually displaceable rollers, each of which can be fed onto the tissue, the rollers then picking up the tissue between them in the manner of a shear effect and being pivotable at right angles to the plane of the tissue, so that this also results in one Back and forth movement of the tissue is achieved.
  • the invention therefore treads a completely new path in that it is proposed for the first time that the oscillating movement only be carried out on the exit side of the weaving machine and thus on the finished fabric, that is to say behind and as close as possible to the weaving point of the fabric, which is crucial.
  • the pivotable arm arranged behind the pile warp beam with the deflecting shaft is designed with as little mass as possible.
  • the deflecting shaft will be designed as a hollow shaft and the swivel arm with its deflecting shaft will be made of light metal (light material).
  • the pile chain is driven by a motor which can be controlled as precisely as possible in terms of speed and torque.
  • a conventional weaving machine is provided, which is still modified on the inlet side, as will be explained in more detail below.
  • the device 1 according to the invention is provided on the outlet side, which is arranged in the vicinity of the drawing-in roller 2 of the weaving machine and over which the fabric 3 runs (cf. FIG. 1).
  • Shafts 6 are available.
  • the compartment 4 is thus arranged as a front compartment, while the rear compartment 7 is arranged beyond the shafts.
  • a deflection shaft 13 is also fixedly arranged on the superstructure bracket 25 and serves to deflect the effect or pile warp threads 14 which are pulled off the pile warp beam 15.
  • the pivot arm 12 is pivotally mounted, its pivot point 16 being adjustable in the arrow directions 17. This makes it possible to influence the rear compartment 7 in the altitude.
  • the sensor shaft 11 has the task of acting simultaneously as a coating roller and as a dancer roller. It is important here that the effect or pile warp yarn sheet 14 is not divided by the arm 12 itself, because the sheet is deflected beyond the arm 12 via the sensing shaft 11.
  • the pile warp beam 15 is motor-driven by a drive, not shown, via a motor that is precisely regulated in terms of speed and torque, in order to ensure a low-tension draw-off of the effect or pile warp threads 14.
  • the swivel arm 12 is acted upon in the arrow direction 18 by a spring arrangement (not shown in more detail), so that it receives a certain pretension in the arrow direction 18 in order to load the effect or pile warp thread assembly 14 with a pretension, which, however, is very slight.
  • the sensing shaft 11 thus pivots about the pivot point 16 in the arrow directions 18, 19 shown.
  • the swivel arm 12 serves as a sensing arm. That is, at position 20, a machine-specific proximity switch is arranged, to which a corresponding actuating element 21 on the sensing arm 12 is assigned.
  • the distance 22 between these two elements is closely monitored by control electronics. This distance 22 is used as a control variable for controlling the speed of rotation for driving the pile chain beam 15. This ensures that the set of effect or pile warp threads 14 is always pulled off the pile warp beam 15 with a constant tension.
  • the swivel arm 12 is designed with as little mass as possible in order to ensure a quick reaction.
  • the sensing shaft 11 is formed from a thin-walled, hollow material;
  • the swivel arm 12 is dimensioned as small as possible and made from a light metal material, for example aluminum or the like.
  • the pivot bearing in pivot point 16 is designed to be as smooth as possible, e.g. designed as a ball bearing.
  • the swivel arms 12 are on a common shaft, i.e. thus mounted on a common pivot point 16 which - as stated above - is vertically adjustable in the arrow directions 17.
  • the fabric 3 is allowed to oscillate beyond the binding point 5 in order to achieve the desired high length addition in the case of effect or pile warp threads in comparison to the basic warp threads.
  • the device consists in particular of a shaft 44 on which two eccentric disks 45 are arranged in a rotationally fixed manner at a mutual distance.
  • the shaft is supported on the vertical side walls of the weaving machine housing 46. This shaft together with the shaft 36 extend exactly over the entire width of the weaving machine.
  • only one right eccentric disk 45 is shown, while on the opposite side of the machine 46 a similar, identical eccentric disc is arranged.
  • a roller lever 27 is pivotally mounted in a pivot bearing 28, a roller 29 running on the eccentric 45.
  • the roller 29 is pressed against the eccentric disk 45 via a coupling 30, the coupling 30 consisting in particular of two rod ends 31 and 32, the rod end 31 engaging in an elongated hole 33 and being continuously displaceable there.
  • the other joint rod head 32 is pivotally articulated on a clamp holder 34, which clamp holder 34 is pivotably mounted in a pivot bearing 35 on the bearing plate 26.
  • the clamp holder 34 clamps a shaft 36, the clamp holder being shown in two different pivot positions.
  • a pivot position is designated with position 34 '.
  • the function of the device is as follows:
  • the fabric 3 comes into the device 1 as a dashed line 37 (FIG. 2) and is deflected downward via the shaft 36.
  • the shaft 36 is driven oscillating in the arrow directions 38 around the pivot bearing 35.
  • the drive takes place via the eccentric disc 45, which rests non-positively on the roller 29.
  • the roller 29 is deflected around the pivot bearing 28 and, via the infinitely adjustable coupling 30, the clamp holder 34 is pivotally driven in the arrow directions 38 around the bearing 35. So there is an oscillating movement, the frequency of which depends on the speed of the eccentric discs 45.
  • One rotation of the eccentric discs 45 takes place per shot, so that an oscillating movement per Shot takes place.
  • FIG. 2 also shows how the joint head 31 can be adjusted in the region of notches 39 in the elongated hole 33 and then determined.
  • the entire tissue 3 is informed of an oscillating movement in the arrow directions 40, 41.
  • This ensures that the effect or pile warp sheet 14 and the base warp sheet 24 are carried forward in the direction of arrow 41, but when moving back in the direction of arrow 40, the smoothly pivoting arm 12 ensures that the effect or pile warp sheet 14 remains, while the base warp sheet 24, which is under higher tension, due to its spring load, is relieved and thus decreases.
  • the spring loading is achieved in a manner known per se by the basic match tree 42, which is spring-loaded and thus braces the basic warp thread family in the direction of arrow 40.
  • the base warp thread sheet 24 will move backwards (also in the direction of the arrow 40) and take a larger path, while the pile warp thread sheet 14 is not moved in the arrow direction 40 but remains there.
  • the size of the desired length allowance can be set on the coupling 30.
  • a length allowance could thus be set within relatively wide limits, because this only depends on the setting of this device 1. Experiments by the applicant have shown that length addition of more than 41% is easy to achieve. The maximum upper limit is limited by the fabric properties.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Woven Fabrics (AREA)
EP91101038A 1990-02-23 1991-01-28 Dispositif pour tisser un tissu à surface rugueuse Expired - Lifetime EP0443343B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4005751 1990-02-23
DE4005751A DE4005751A1 (de) 1990-02-23 1990-02-23 Seersucker-einrichtung

Publications (2)

Publication Number Publication Date
EP0443343A1 true EP0443343A1 (fr) 1991-08-28
EP0443343B1 EP0443343B1 (fr) 1994-06-15

Family

ID=6400827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101038A Expired - Lifetime EP0443343B1 (fr) 1990-02-23 1991-01-28 Dispositif pour tisser un tissu à surface rugueuse

Country Status (4)

Country Link
US (1) US5099890A (fr)
EP (1) EP0443343B1 (fr)
JP (1) JPH05214636A (fr)
DE (2) DE4005751A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0761857A1 (fr) * 1995-08-17 1997-03-12 Lindauer Dornier Gesellschaft M.B.H Système de contrÔle de la chaîne de poil lors de la fabrication de tissu éponge sur métier à tisser
US5722464A (en) * 1995-08-17 1998-03-03 Lindauer Dornier Gesellschaft Mbh Pile warp thread tension control apparatus for terry cloth weaving

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4310840C1 (de) * 1993-04-02 1994-01-13 Dornier Gmbh Lindauer Verfahren und Vorrichtung zur Beeinflussung der Zugspannung in einer Polkettfadenschar beim Herstellen von Frottiergewebe auf Webmaschinen
DE10023445A1 (de) 2000-05-12 2001-11-29 Dornier Gmbh Lindauer Frottierwebmaschine
DE10054851A1 (de) 2000-05-12 2002-05-29 Dornier Gmbh Lindauer Frottierwebmaschine
DE10023444A1 (de) * 2000-05-12 2001-11-29 Dornier Gmbh Lindauer Frottierwebmaschine
DE102005028127A1 (de) * 2005-06-10 2006-12-14 Picanol N.V. Frottierwebmaschine
EP2180092B1 (fr) * 2008-10-24 2012-11-21 Groz-Beckert KG Tendeur de largeur doté d'un dispositif de serrage et d'ouvrir
DE102011009765B3 (de) * 2011-01-28 2011-11-10 Lindauer Dornier Gmbh Webmaschine mit verfahrbaren Begrenzungsmitteln sowie ein Verfahren zum Herstellen eines Gewebes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD58072A (fr) *
CH635877A5 (de) * 1978-04-20 1983-04-29 Dornier Gmbh Lindauer Polkettfadenabwickelvorrichtung fuer eine frottierwebmaschine.
EP0083905A1 (fr) * 1982-01-13 1983-07-20 GebràœDer Sulzer Aktiengesellschaft Métier pour tissu éponge comportant un élargisseur s'étendant dans la direction trame entre le pergne et la poitrinière
EP0352791A2 (fr) * 1988-07-27 1990-01-31 TSUDAKOMA Corp. Procédé et métier pour tisser un tissu à surface rugueuse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH552693A (de) * 1972-05-23 1974-08-15 Sulzer Ag Webmaschine zur herstellung von frottiergewebe.
CH564621A5 (fr) * 1973-04-06 1975-07-31 Sulzer Ag
CH609386A5 (fr) * 1976-01-20 1979-02-28 Rueti Ag Maschf
CH646472A5 (de) * 1980-08-26 1984-11-30 Saurer Ag Adolph Einrichtung zum spannen der kettfadenscharen einer webmaschine.
US4721134A (en) * 1986-08-04 1988-01-26 West Point Pepperell, Inc. Terry loop ratio control device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD58072A (fr) *
CH635877A5 (de) * 1978-04-20 1983-04-29 Dornier Gmbh Lindauer Polkettfadenabwickelvorrichtung fuer eine frottierwebmaschine.
EP0083905A1 (fr) * 1982-01-13 1983-07-20 GebràœDer Sulzer Aktiengesellschaft Métier pour tissu éponge comportant un élargisseur s'étendant dans la direction trame entre le pergne et la poitrinière
EP0352791A2 (fr) * 1988-07-27 1990-01-31 TSUDAKOMA Corp. Procédé et métier pour tisser un tissu à surface rugueuse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0761857A1 (fr) * 1995-08-17 1997-03-12 Lindauer Dornier Gesellschaft M.B.H Système de contrÔle de la chaîne de poil lors de la fabrication de tissu éponge sur métier à tisser
US5722464A (en) * 1995-08-17 1998-03-03 Lindauer Dornier Gesellschaft Mbh Pile warp thread tension control apparatus for terry cloth weaving

Also Published As

Publication number Publication date
EP0443343B1 (fr) 1994-06-15
DE4005751A1 (de) 1991-08-29
JPH05214636A (ja) 1993-08-24
US5099890A (en) 1992-03-31
DE59101903D1 (de) 1994-07-21

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