EP3159441A1 - Metier a tisser circulaire - Google Patents

Metier a tisser circulaire Download PDF

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Publication number
EP3159441A1
EP3159441A1 EP15190846.4A EP15190846A EP3159441A1 EP 3159441 A1 EP3159441 A1 EP 3159441A1 EP 15190846 A EP15190846 A EP 15190846A EP 3159441 A1 EP3159441 A1 EP 3159441A1
Authority
EP
European Patent Office
Prior art keywords
weft ribbon
weft
spool
ribbon
full
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.)
Withdrawn
Application number
EP15190846.4A
Other languages
German (de)
English (en)
Inventor
Herbert Fürst
Reinhold Hehenberger
Albert Schindler
Nikolaus Wagner
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.)
Starlinger and Co GmbH
Original Assignee
Starlinger and Co 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 Starlinger and Co GmbH filed Critical Starlinger and Co GmbH
Priority to EP15190846.4A priority Critical patent/EP3159441A1/fr
Priority to PCT/EP2016/071399 priority patent/WO2017067709A1/fr
Priority to TW105133782A priority patent/TW201715112A/zh
Publication of EP3159441A1 publication Critical patent/EP3159441A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D37/00—Circular looms

Definitions

  • the invention relates to a circular loom and a method for changing a weft ribbon spool on a circular loom.
  • Kettbmixchen guide elements for example in the form of length compensation compensators, are arranged around a Rundriet the loom around. About this Kettbmixchen guide elements or through them the circular loom a large number of warp is distributed around distributed.
  • the warp tapes run to shedding facilities, for example, have provided with eyelets for passing a warp strip provided strands or bands; then the warp-ribbons run between bars of the Rundriets.
  • the warp tapes are divided at the shedding devices - usually in an alternating arrangement - in two Kettbändchenscharen, which are given by opposite movement of the strands or ⁇ senb selected opposite reciprocating movements, whereby the shed (also called moving compartment) is opened and closed.
  • the shed forms in the open state defined by the two Kettbändchenscharen space in which a weaver moves on a circular path along the Rundriets while the Schussb choruschen deducted from the shot ribbon coil carried by him and enters into the shed.
  • the size of the space defined by the two Kettbändchenscharen space of the shed constantly changes with the movement of the two Kettbändchenscharen, starting from zero with closed shed in a position in which both Kettbändchenscharen lie in the same area, up to a maximum, in which the two Kettbändchenscharen are located at opposite reversal points of their alternating movement.
  • the so-called change of subject begins by reversing the movement imparted to the opposing warp bands, whereby the last-entered weft ribbon is fixed in the fabric and the next weft ribbon can be inserted into the shed by the next shooter.
  • the generated tubular fabric is guided inwardly to a centrally located Webring, where it is deflected to take-off rolls out.
  • a disadvantage of the known designs of loom proves that due to the design of looms a weaver can only carry a Schussbändchenspule with limited amount or length of Schussbändchen. Thus, the weft ribbon spool has to be changed from time to time. Replacing an exhausted weft ribbon bobbin with a full weft bobbin spool is time consuming and is generally done manually with the circular loom turned off, resulting in a temporary production downtime during the changeover. As further disadvantageous proves that the manual change errors may occur due to inattentiveness, whereby the quality of the fabric is impaired, or which can lead to a total failure of the loom.
  • an automatic change of an exhausted weft ribbon bobbin against a full weft ribbon bobbin is possible with the aid of a weft ribbon bobbin changing device formed on the circular loom.
  • the automatic change reduces the time required to change the weft bobbin and reduces downtime, increasing the average weaving capacity of the loom.
  • Peel-off elements and attachment elements are preferably formed on the weft ribbon bobbin changing device, the wiping element being designed to strip the spent weft ribbon bobbin along its longitudinal axis from the bobbin receptacle and the wedge element to mount the full weft ribbon bobbin along its longitudinal axis onto the bobbin receptacle.
  • the puller and the Aufsetzelement are advantageously each formed by different types of grippers, tubes, spreaders and / or hooks, which are electrically, electromagnetically, pneumatically or hydraulically controlled.
  • the wiper pulls apart the warp bands to release an opening in the warp bands through which the spent weft ribbon bobbin is exchanged for the full weft ribbon bobbin.
  • the opening in the Kettbändchenscharen is formed by a dedicated opening mechanism. This is advantageously attached to the Schussbändchenspulen Touch Road Side, Inc., the opening mechanism pulls apart the Kettbändchenscharen before changing the weft ribbon spool and keeps the thus formed opening during the entire change process open.
  • the opening mechanism is preferably formed by grippers and / or a telescopic rod, which are electrically, electromagnetically, pneumatically or hydraulically controlled.
  • the shuttle is when changing the Schussbändchenspule at rest. Since the Rundriet of conventional looms has an upper and a lower tire, which serve as guides for the shuttle and keep the shuttle during the circulation in circulation in the orbit, is advantageous before changing the weft ribbon coil to be changed in the direction of a normal on a surface , which is spanned by the tangent to the direction of rotation of the shuttle and the longitudinal axis of the weft ribbon spool moves. This corresponds to Essentially a movement away from the Rundriet towards the Webring. Either the spool receptacle is slidable on the shuttle, or the entire shuttle is moved in the direction of the web ring. Thus, it is excluded that the weft ribbon spool is covered when changing the weft ribbon spool parts of the loom, in particular the Rundriets.
  • the Schussbändchenspulencic observed on a removable turret, which forms the receptacle for a tubular magazine for storing a plurality of full weft ribbon spools and which forms the receptacle for a tubular magazine for storing a plurality of exhausted weft ribbon spools.
  • the full weft ribbon spools are stored along their longitudinal axis, juxtaposed coaxially to a longitudinal axis of the tubular magazine for the full weft ribbon spools, and the spent weft ribbon spools are stored along their longitudinal axis, coaxial with a longitudinal axis of the tubular magazine for the spent weft ribbon spools.
  • the advantage is obtained that the Schussbändchenspulencic observed can be made very compact, which is particularly advantageous for smaller circular looms because of the limited space requirement.
  • the height or length of the tubular magazines can be varied, so that the available space can be utilized optimally.
  • the entire change turret is advantageously pivotable from a working position into a loading and unloading position, in which a trained employee from outside the circular loom can perform the filling and emptying of the tubular magazines.
  • the change turret is rotatably mounted, and the longitudinal axes of the tubular magazines are each arranged in parallel at the same distance from the axis of rotation of the change turret.
  • the advantage is obtained that the change of the exhausted weft ribbon spool against the full weft ribbon spool can be completed quickly and that unnecessary ways can be avoided.
  • FIG. 1 shows schematically and for clarity not to scale an embodiment of a circular loom according to the invention 1.
  • the circular loom. 1 comprises a polygonal frame 2, which is preferably formed by a plurality of welded together forming tubes and represents the receptacle for the entire circular loom 1.
  • a Rundriet 4 is arranged on a frame 8, which is cylindrical in this embodiment.
  • Concentric Rundriet 4 a Webring 5 is disposed within the Rundriets 4, through which the finished tubular fabric 10 is withdrawn. Outside the round rivet 4, the supply 7 for the warp strips 9 is arranged around this around it.
  • the circular loom 1 on a Schussbyerchenspulencic which by means of an exchangeable turret 20, a tubular magazine 21 for full weft ribbon spools 22 and a in FIG. 1 unillustrated tubular magazine 23 for exhausted weft ribbon coils 24 receives.
  • the entire Schussbyerchenspulencic Outlook 3 is rotatably mounted about a horizontal axis 36 and thereby can be pivoted between a working position and a loading and unloading back and forth.
  • FIG. 1 is the Schussbyerchenspulen LCD
  • the tubular magazines 21, 23 are arranged in a vertical orientation in the working position on the Rundriet 4.
  • FIG. 2 shows a schematic representation of the embodiment of the circular loom 1 according to the invention FIG. 1 from the front in a more detailed view.
  • the feed 7 of the circular loom 1 has a multiplicity of warp-tape guide elements 11, which are designed as length compensation compensators and which each comprise an eyelet for passing and deflecting a warp tape 9.
  • the warp-tape guide elements 11 are arranged distributed around the round pile 4 of the circular loom 1 around.
  • the rotary rake 4 comprises an upper tire 4a and a lower tire 4b, between which a plurality of Rietstäben 4c are arranged uniformly spaced apart from each other.
  • the upper tire 4 a and the lower tire 4 b represent during the circulation of the shuttle 6 in Rundriet 4 guides for the shuttle 6.
  • the warp 9 are not shown outside of the frame 2 located Kettbyerchenspulen by the Kettbisserchen guide elements 11 and by the spaced Rietstäbe 4c passed.
  • the shedding means 12 comprise a plurality of first strands 13 and second strands 14 connected together at their ends and an upper roller 15a as well wrap around a lower roll 15b.
  • Each of the first strands 13 has an eyelet 13a through which a warp tape 9 is passed.
  • These warp bands guided through the loops 13a of the first strands 13 form a first warp ribbon share 17.
  • Each of the second strands 14 has an eyelet 14a through which a warp ribbon 9 is passed.
  • These warp ribbons passing through the loops 14a of the second strands 14 form a second warp sheet warp 18.
  • At least one of the upper roll 15a and / or the lower roll 15b is alternately rotated in a first and an opposite second direction of rotation, thereby causing the strands 13 to wrap around it. 14 alternately moved up and down.
  • the two Kettbyerchenscharen 17, 18 lent a mutually opposite reciprocal movement upwards or downwards, whereby the shed 16 (also called moving compartment) is opened and closed.
  • the shed 16 forms in the open state one of the two Kettbändchenscharen 17, 18 defined space in which a not shown in this view weavers 6 moves on a circular path in the direction of rotation 37 along the Rundriets 4 while a in FIG.
  • the weft ribbon changing device 3 is shown in FIG. 2 in the loading and unloading position.
  • the circular loom 1 runs in weaving mode.
  • an operator may fill the tubular magazine 21 for full weft spools 22 with full weft spools 22 and remove the depleted weft spools 24 from the tubular magazine 23 for the spent weft spools 24.
  • FIG. 2 only the tubular magazine 21 for full weft ribbon coils 23 is shown.
  • the change turret 20 is rotatably mounted in a receptacle 25 about an axis of rotation 40.
  • the tubular magazines 21, 23 are each arranged with their longitudinal axis parallel at the same distance from the axis of rotation 40 on the exchangeable turret 20. By rotating the change turret 20 in the working position about the axis of rotation 40, the longitudinal axes of the tubular magazines 21, 23 define a circular section 31. See also FIG. 3 , Furthermore, the weft ribbon bobbin changing device 3 has a weft ribbon connecting device 26, which is attached to the exchangeable turret 20 by means of a sectionally hollow shaft 27.
  • the Schussbändchenspulencic worn 3 comprises a suction unit, not shown, joining unit and separation unit.
  • FIGS. 3 to 9 show the replacement of an exhausted weft ribbon bobbin 24 with a full weft ribbon bobbin 22.
  • a respective shuttle 6 a weft ribbon spool 19 rotatable about its longitudinal axis, wherein the longitudinal axis of the weft ribbon spool 19 is held substantially vertically in this embodiment.
  • the Schussbändchenspulen move with their longitudinal axes transverse to the direction of rotation 37 in Rundriet 4. Their longitudinal axes define a circle 32.
  • a not shown in the figures attached to Rundriet 4 sensor unit measures during the rotation of the shuttle 6 continuously the filling state of the currently in use Schussbändchenspulen 19. This is done for example by means of optical sensors. If a sensor detects an exhausted weft ribbon spool 24, then the weaver 6 in question is brought to a standstill with the longitudinal axis of the exhausted weft ribbon spool 24 by a main drive of the circular weaving machine 1 (not shown). The change position 30 corresponds to an intersection between the circle 32 and the circle section 31.
  • the change turret 20 rotates the longitudinal axis of the tubular magazine 23 for exhausted weft ribbon coils 24 by means of an actuator, not shown, for example, a stepping motor, also in the position 30th
  • an actuator not shown, for example, a stepping motor
  • the longitudinal axis of the spent weft ribbon spool 24 and the longitudinal axis of the tubular magazine 23 for exhausted weft ribbon spools 24 are coaxial with one another. See FIG. 3 and 4 ,
  • an opening in the first warp sheet 17 is first released by the weft ribbon spool changing device 3 with an opening mechanism, not shown, formed on it or on the round sprocket 4.
  • This can be done for example by a hydraulically or pneumatically extendable telescopic rod or by grippers.
  • the tubular magazine 23 is accommodated axially displaceable along its longitudinal axis in the change turret 20 in this embodiment variant.
  • the tubular magazine 23 is thereby moved pneumatically, electromagnetically or hydraulically along its longitudinal axis. This can be done for example by pneumatic cylinders, hydraulic cylinders or provided with an electric motor lifting spindles. For the sake of clarity, these elements are not shown in the figures.
  • the tubular magazine 23 and the spring-loaded wedge-shaped snap hooks form the peel-off element.
  • the spring-loaded wedge-shaped snap hooks are disposed within the tubular magazine 23 and protrude in their normal position out of the otherwise smooth inner surface 29 of the tubular magazine 23, thus forming a kind of undercut as soon as a depleted Schussbändchenspule was inserted into the tubular magazine 23.
  • the exhausted weft ribbon spool 24 is withdrawn from a spool receptacle 28 of the shuttle 6 and received in the tubular magazine 23, as in FIG. 5 is shown.
  • the weft ribbon 34 is sucked into the partially hollow shaft 27 by the weft ribbon binding device 26 by means of the suction unit integrated in it. Subsequently, by rotating the interchangeable turret 20, the tubular magazine 21 is rotated with its longitudinal axis in the position 30, whereby the tubular magazine 21 is aligned coaxially to the longitudinal axis of the cylindrical coil receiving 28. See FIG.
  • the suction unit of the weft ribbon connecting device 26 By means of the suction unit of the weft ribbon connecting device 26, a weft ribbon beginning 33 of a full weft ribbon spool 22, which is next placed on the spool receptacle 28 by the weft ribbon spool changing device 3, is then sucked in.
  • the firing ribbon 34 and the ribbon starting 33 are thereby brought by the suction unit in a position in which they can be joined together by the integrated in the Schussbändchenitatisvorraum 3 joining unit.
  • the joining unit is formed, for example, by a welding device, an adhesive device, a knotting device and / or a sewing device.
  • Preferred weft ribbon materials in this context are, for example, various types of plastics, natural fibers or synthetic fibers.
  • FIG. 8 shows the Schussbändchenspulen Lobby 3 during placement of a full weft ribbon spool 22 on the spool receptacle 28.
  • the Schussbyerchenspulen Lobby For placing a full weft ribbon spool 22, the Schussbändchenspulencic observed 3 has a Aufsetzelement.
  • This is in this embodiment by a Materialssetzwelle 38th formed, which is axially displaceably mounted in the interior of the tubular magazine 21.
  • the manipulation of the Aufsetzwelle 38 in the axial direction is advantageously carried out pneumatically, electromagnetically or hydraulically. This can be done for example by pneumatic cylinders, hydraulic cylinders or provided with an electric motor lifting spindles. For the sake of clarity, these elements are not shown in the figures.
  • the cylindrical coil receptacle 28 and the inner circumferential surface of the full weft ribbon spool 22 have a transitional fit, whereby the weft ribbon spool 19 is held on the spool receptacle 28 during the circulation of the shuttle 6 via a frictional connection.
  • the transition fit is chosen so that the exhausted Schussbändchenspule 24 or the full Schussbändchenspule 22 can be easily placed and withdrawn on the spool receptacle 28 and still it by the resulting during the circulation of the shuttle 6 in Rundriet 4 forces on the shuttle 6 to none Detachment of the weft ribbon coil 19 can come.
  • spring elements may also be attached to the coil receptacle 28, which protrude beyond the cylinder jacket surface of the coil receptacle 28 and are pressed into corresponding recesses when the ribbon coil 19 is mounted.
  • the spring elements may also be attached to the coil receptacle 28, which protrude beyond the cylinder jacket surface of the coil receptacle 28 and are pressed into corresponding recesses when the ribbon coil 19 is mounted.
  • the front end with the formed on her spline 39 is rotatably mounted on the Aufsetzwelle 38.
  • an electric motor not shown, which is preferably designed as a servomotor, against the unwinding of the weft ribbon spool 19, the new weft ribbon is stretched after fitting a full weft ribbon spool 22.
  • the weavers 6 run around on the cylindrical Rundriet 4.
  • the circumferential surface of the shuttle 6 is thus formed as a circular ring surface.
  • the tubular magazines 21, 23 are advantageously arranged in a horizontal orientation in the working position.
  • the round pile 4 is conical in shape, with the weavers 6 essentially rotating on the inner surface of the truncated cone.
  • the circular loom 1 comprises a plurality of weft ribbon bobbin exchanging devices 3. This provides the advantage that, with several wefts 6, the replacement of an exhausted weft ribbon bobbin 24 with a full weft ribbon bobbin 22 can take place at the same time and thus the downtime of the circular loom 1 is reduced.
  • the new weft ribbon 35 is not tensioned by rotation of the placement shaft 38, but by an electric motor which is connected to the bobbin receptacle 28 and is arranged on the shuttle 6.
  • a plastic leaflet is welded onto the weft ribbon beginning 33 of a full weft ribbon spool 22.
  • this plastic leaflet is hung in a feeder, whereby the position of the Schussbändchentriggerings 33 is defined by each stored in the tubular magazine 21 full weft ribbon bobbin 22 in the weft ribbon bobbin 3.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP15190846.4A 2015-10-21 2015-10-21 Metier a tisser circulaire Withdrawn EP3159441A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP15190846.4A EP3159441A1 (fr) 2015-10-21 2015-10-21 Metier a tisser circulaire
PCT/EP2016/071399 WO2017067709A1 (fr) 2015-10-21 2016-09-12 Métier à tisser circulaire
TW105133782A TW201715112A (zh) 2015-10-21 2016-10-19 圓形梭織機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15190846.4A EP3159441A1 (fr) 2015-10-21 2015-10-21 Metier a tisser circulaire

Publications (1)

Publication Number Publication Date
EP3159441A1 true EP3159441A1 (fr) 2017-04-26

Family

ID=54345426

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15190846.4A Withdrawn EP3159441A1 (fr) 2015-10-21 2015-10-21 Metier a tisser circulaire

Country Status (3)

Country Link
EP (1) EP3159441A1 (fr)
TW (1) TW201715112A (fr)
WO (1) WO2017067709A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3445902B1 (fr) * 2016-04-22 2020-11-04 Reinhold Hehenberger Métier circulaire
CN113322566A (zh) * 2021-05-21 2021-08-31 洛阳市大资塑业有限公司 一种用于圆织机的无线感应梭子
CN114481415A (zh) * 2021-12-31 2022-05-13 宜昌日进包装有限公司 一种带有张力监测功能的圆织机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609008A (en) * 1950-03-15 1952-09-02 Cooper Henry James Weft replenishing apparatus for weaving looms
US5787938A (en) * 1994-10-20 1998-08-04 Starlinger & Co., Gesellschaft Mbh Fabric draw-off device in a circular loom
EP2829645A1 (fr) 2013-07-24 2015-01-28 Starlinger&CO Gesellschaft M.b.H. Métier à tisser circulaire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609008A (en) * 1950-03-15 1952-09-02 Cooper Henry James Weft replenishing apparatus for weaving looms
US5787938A (en) * 1994-10-20 1998-08-04 Starlinger & Co., Gesellschaft Mbh Fabric draw-off device in a circular loom
EP2829645A1 (fr) 2013-07-24 2015-01-28 Starlinger&CO Gesellschaft M.b.H. Métier à tisser circulaire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3445902B1 (fr) * 2016-04-22 2020-11-04 Reinhold Hehenberger Métier circulaire
CN113322566A (zh) * 2021-05-21 2021-08-31 洛阳市大资塑业有限公司 一种用于圆织机的无线感应梭子
CN114481415A (zh) * 2021-12-31 2022-05-13 宜昌日进包装有限公司 一种带有张力监测功能的圆织机

Also Published As

Publication number Publication date
TW201715112A (zh) 2017-05-01
WO2017067709A1 (fr) 2017-04-27

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