EP1607501B1 - Verfahren und Vorrichtung zur Fachbildung jacquardgemusterter Polkettfäden auf einer Doppelflorwebmaschine - Google Patents

Verfahren und Vorrichtung zur Fachbildung jacquardgemusterter Polkettfäden auf einer Doppelflorwebmaschine Download PDF

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Publication number
EP1607501B1
EP1607501B1 EP20040014346 EP04014346A EP1607501B1 EP 1607501 B1 EP1607501 B1 EP 1607501B1 EP 20040014346 EP20040014346 EP 20040014346 EP 04014346 A EP04014346 A EP 04014346A EP 1607501 B1 EP1607501 B1 EP 1607501B1
Authority
EP
European Patent Office
Prior art keywords
shed
pile
threads
healds
pile threads
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
Application number
EP20040014346
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1607501A1 (de
Inventor
Rainer Dr. Göss
Martin Burkert
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.)
Schoenherr Textilmaschinenbau GmbH
Schonherr Textilmaschinenbau BMBH
Original Assignee
Schoenherr Textilmaschinenbau GmbH
Schonherr Textilmaschinenbau BMBH
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 Schoenherr Textilmaschinenbau GmbH, Schonherr Textilmaschinenbau BMBH filed Critical Schoenherr Textilmaschinenbau GmbH
Priority to EP20040014346 priority Critical patent/EP1607501B1/de
Priority to DE200450004436 priority patent/DE502004004436D1/de
Priority to CN 200510077568 priority patent/CN1710168B/zh
Publication of EP1607501A1 publication Critical patent/EP1607501A1/de
Application granted granted Critical
Publication of EP1607501B1 publication Critical patent/EP1607501B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards
    • D03C3/205—Independently actuated lifting cords
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D39/00—Pile-fabric looms
    • D03D39/16—Double-plush looms, i.e. for weaving two pile fabrics face-to-face

Definitions

  • the invention relates to a method and a device for shedding jacquardmustemder pile warp yarns on a Doppelflorwebmaschine with at least two superimposing weft insertion zones between adjacent shed levels, the pile threads on strands - the pattern and the selected binding accordingly - each associated with a subject level and finally after the Offenfach- Working method are moved to this level, the group of non-mustering pile threads are integrated in an upper and / or lower base fabric and the mustering pile threads are alternately incorporated in the upper base fabric and in the lower base fabric and thereby clamped between the two basic goods.
  • All Polkettfäden be led for the purpose of shedding through eyelets on strands, which follow a pattern drive. If a strand is assigned to a specific layer, its stroke always ends in the same position. This position is determined by the pre-set position and the stroke of the knife boxes or finger rakes of the jacquard machine.
  • U. a. through the EP 1 069 218 B1 For example, a device is known which has a separate shed drive for shedding warps on weaving machines having a single weft insertion zone for each individual warp thread.
  • the actuators described for this purpose consist of a motor whose drive wheel is connected to a cord (harness).
  • the stroke size can be varied depending on the distance of the respective strand of the Schussanschlagkante to secure the necessary shed opening angle.
  • the object of the present invention is to modify the design of the shed so that, if necessary, using individual actuators for the control of the pile threads, the shed height of the pile threads can be reduced without them clinging to each other with the same warp density in shedding.
  • this object is achieved by the method according to claim 1.
  • the differences of the technical dimensions are compensated by the different integration positions on the different basic goods, that the pile threads, when they set as Totpol or as beginning with the patterning Polfaden, perform a smaller stroke in the outer compartment.
  • the advantages of the individually controlled actuators can also be transferred to double pile looms, on which voluminous pile threads are integrated in high density and which has more than one weft insertion plane.
  • Another advantage of the invention is that the shed reduced in this way allows the use of a significantly reduced in size and mass batten. This leads to an increase in the speed of the loom. Also mounted on the sley, protruding into the shed elements - such as guide teeth for the weft insertion member, auxiliary nozzles in Airjet weft insertion - can be made shorter and thus lighter and more stable.
  • the claim 3 specifies the claim 1 with respect to the way how you can - reduce the technical height of the pile threads - by the different strokes in the outer compartment.
  • the procedure defined in claim 6 effectively avoids a temporary jamming of pile threads in the region of the central compartment and thus effectively prevents stapling of the pile threads.
  • the claim 7 shows a modified method for solving the problem.
  • a mechanical compartment limiter is used here, which limits the range of motion of those pile warp threads in the area of the sley in their compartment height, which change from their own basic fabric into the adjacent outer compartment ,
  • the device described in claim 8 is used in a simple manner to realize the claim 1.
  • the modification according to claim 9 supports the release of the warp threads from each other.
  • Claim 11 shows an advantageous design and arrangement of the shed limiter for carrying out the method according to claim 7.
  • Fig. 1 the principle of the present invention is according to a first Solution variant shown.
  • the double pile fabric 6 is drawn off and guided between the plates of the fabric guide 1, beginning at the weft stop edge 11.
  • the pile threads are set in either the upper ground fabric 61 or the lower ground fabric 62.
  • the non-eye pile threads 71 - also called totpole - the top fabric 61 are regularly incorporated according to FIG. 4 between back shots 81 and inner shots 82 of the upper 61.
  • These are integrated between the back shots 83 and inner shots 84 of the lower base product 62.
  • the pile threads 71 and 72 occupy the same position during the pole-dead binding when they bind outside around the inner weft of their fabric.
  • the shed forming in the movement region of the reed 21 is significantly smaller than the shed that would form when the loop of the strand 31 - as hitherto usual - would move into the position O1. Compare this in Fig. 1, the levels 730 and 740. The upper and the the lower compartment limit is shifted to the middle of the compartment by the difference amounts a) and b) (by up to 10 mm each). The sley 2 or the reed 21 can be shortened or reduced by about this amount. The sley 2 and the reed 21 is lighter and more stable.
  • pile thread 74 of the lower base fabric 62 comes from the middle compartment M2 coming with the eyelet 321 of his strand 32 first to the shortened stroke H1 'in the lower level U2 ,
  • the plane in which the pile thread 74 extends begins at the last binding point in the lower base fabric 62 and tangentially engages below and outside the lower weft insertion zone 52.
  • the shed in the batten area by the difference amount b) is formed smaller than in a shedding in the conventional sense in this case.
  • the eyelet 321 of the strand 32 was moved in a conventional manner in the level U1 and the pile thread extended so far in the plane 740th
  • FIG. 3 The further course of the movement of the eyelet 321 on the strand 32 is shown in FIG. 3.
  • the pile thread 74 is moved in the following tours in each case in the outer compartment levels O1 and U1.
  • the shed in the area of Web leaf 21 is not larger in this case, because the previous binding point of the pile threads 74, 75, 76 is located in the respective opposite base fabric 62, 61.
  • weft insertion zone we do not mean the immediate tangling of the weft insertion member web. At a small distance, this web usually affects the binding warp threads 611, 621 or the so-called tensioning chain (see FIG. 9), which guide these weft insertion elements in the shed.
  • the pile threads which are usually supplied at a lower tension and often tend to staple, affect the weft insertion zone outside the binding or Spannkettfäden.
  • Actuators or motors 37 each associated with a pile warp thread or its strand (see FIGS. 10 and EP 1 063 326 B1 ).
  • the motors 37 described therein receive by the central control a corresponding differentiated control program with a shortened stroke, with a staggered start position and with a time-differentiated center passage.
  • a second variant of the method for limiting the height of the compartment in the range of movement of the sley 2 is shown.
  • the shed can be kept small even in this embodiment in the range of movement of the reed 21.
  • the dimensions of the sley 2 are reduced and allow a high-speed operation of the loom.
  • the shed limiters 4 are formed as tension wires 41, which are anchored on both sides of the shed using clamping elements 410, 420 (see Fig. 7 and Fig. 8).
  • tension wires 41 are guided at intervals along the shed with the aid of support strands 43, which are equipped with eyelets 44 and 45. These in turn are fixed to the frame fixed to upper support rails 47 and springs 46 on lower clamping rails 48.
  • the tension wires 41; 42 are along their axis by means of clamping elements 410; 420 biased so that the number of trunnions 43 is limited.
  • This arrangement of the weaving limiter 4 is sufficiently stable for the intended subject limitation and does not hinder the drawing of pile threads 71 to 76 into the eyelets 311, 321 of the strands 31, 32.
  • the marked eyelet positions 311 M, 321 M in the region of the middle compartment M1 are, on the one hand, those positions of the eyelet 311, 321 which occupy the pile threads in the middle compartment M1 as a temporary end position. If these pile threads are patterned, then these positions are approximately those which occupy the respective pile threads during the technical representation at a uniform time.
  • Fig. 10 is again schematically the manner of driving the strands 31 for the pile threads by means of an actuating element - here a motor 37 - shown.
  • the strand 31 in the lower area leads in its eyelet 311 the pile thread.
  • One of the strand 31 upwardly leading rope 33 is guided over a loose roller 34 and is fixed to the frame-fixed bar 49.
  • the axis of the loose roller 34 is connected by a further cable 35 with the cable drum 36 of the actuating element 37.
  • the cable drum 36 has spiral grooves in which the rope 35 can be stored and released in an orderly manner.
  • the size of the cable drum 36 is kept to a minimum.
  • the required drive torque is increased. This in turn leads to a significant increase in the dimensions of the motors 37. It is up to the expert to decide whether he realizes the required to double weaving larger sizes with or without loose role 34.
  • FIGS. 11 and 12 once again show the movement diagrams according to which the pile threads are moved in a controlled manner during the specialist representation by the actuating elements.
  • the technical representation takes place essentially in the period from leaving the shed through a weft insertion element S in a first tour and the reentry of the weft insertion element S1 in the shed in a second tour instead
  • the motion diagrams F and F1 show the usual ones Movement form. It begins and ends in the respective prescribed level.
  • the staple effect must be prevented.
  • the movement diagrams F3 and F4 is changed in such a way that, at least in the region of the end position of the movement, an overstroke H3 is executed for a limited time before the pile thread finally remains in its new compartment plane.
  • An overrun H4 can also be carried out before a specialist representative. Depending on the pole material used so that a pile thread can be better removed from a thread strand.
  • FIG. 12 shows movement diagrams F5 to F7 of pile threads which at different times intersect the middle of the fabric in the region E and other pile warp threads. It goes without saying that even in these cases an overstroke can be used, as described with reference to FIG. 11.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP20040014346 2004-06-18 2004-06-18 Verfahren und Vorrichtung zur Fachbildung jacquardgemusterter Polkettfäden auf einer Doppelflorwebmaschine Expired - Lifetime EP1607501B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20040014346 EP1607501B1 (de) 2004-06-18 2004-06-18 Verfahren und Vorrichtung zur Fachbildung jacquardgemusterter Polkettfäden auf einer Doppelflorwebmaschine
DE200450004436 DE502004004436D1 (de) 2004-06-18 2004-06-18 Verfahren und Vorrichtung zur Fachbildung jacquardgemusterter Polkettfäden auf einer Doppelflorwebmaschine
CN 200510077568 CN1710168B (zh) 2004-06-18 2005-06-20 双面绒头织机上的提花绒头经纱的梭口形成的方法和装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20040014346 EP1607501B1 (de) 2004-06-18 2004-06-18 Verfahren und Vorrichtung zur Fachbildung jacquardgemusterter Polkettfäden auf einer Doppelflorwebmaschine

Publications (2)

Publication Number Publication Date
EP1607501A1 EP1607501A1 (de) 2005-12-21
EP1607501B1 true EP1607501B1 (de) 2007-07-25

Family

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EP20040014346 Expired - Lifetime EP1607501B1 (de) 2004-06-18 2004-06-18 Verfahren und Vorrichtung zur Fachbildung jacquardgemusterter Polkettfäden auf einer Doppelflorwebmaschine

Country Status (3)

Country Link
EP (1) EP1607501B1 (zh)
CN (1) CN1710168B (zh)
DE (1) DE502004004436D1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108138390A (zh) * 2015-11-04 2018-06-08 米歇尔·范德威尔公司 提花机、包括至少一个提花机的面对面织机、以及设置提花机的方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101736491B (zh) * 2010-01-08 2011-06-08 沈巧根 一种单梭口双层割绒织物的织造方法及其设备
JP5644113B2 (ja) * 2010-01-12 2014-12-24 株式会社豊田自動織機 パイル織機におけるパイル揃え装置
CN105442138B (zh) * 2015-12-31 2017-03-08 常熟纺织机械厂有限公司 旋转式电子多臂机的三开口装置
DE102018202434A1 (de) * 2018-02-16 2019-08-22 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Vorrichtung und Verfahren zur Jacquard-Fachbildung
BE1027384B1 (nl) * 2019-06-20 2021-01-28 Vandewiele Nv Gaapvormingsinrichting

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19651799A1 (de) * 1996-12-13 1998-06-18 Schoenherr Webstuhlbau Gmbh Antriebsvorrichtung für die Fachbildeelemente von Webmaschinen
DE19924689C1 (de) * 1999-05-28 2001-05-17 Dornier Gmbh Lindauer Verfahren zum Begrenzen der Webfachöffnung und Webfachbegrenzer
FR2794140B1 (fr) * 1999-05-31 2001-07-13 Staubli Sa Ets Mecanique d'armure de type jacquard et metier a tisser equipe d'une telle mecanique
FR2795434B1 (fr) * 1999-06-25 2001-08-10 Staubli Sa Ets Procede et dispositif de positionnement des fils de chaine d'un metier a tisser et metier a tisser equipe d'un tel dispositif
CN1093190C (zh) * 2000-12-25 2002-10-23 天津工业大学 层连织物及其织造方法和设备

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108138390A (zh) * 2015-11-04 2018-06-08 米歇尔·范德威尔公司 提花机、包括至少一个提花机的面对面织机、以及设置提花机的方法
CN108138390B (zh) * 2015-11-04 2020-01-17 范德威尔公司 提花机、包括至少一个提花机的面对面织机、以及设置提花机的方法

Also Published As

Publication number Publication date
DE502004004436D1 (de) 2007-09-06
EP1607501A1 (de) 2005-12-21
CN1710168A (zh) 2005-12-21
CN1710168B (zh) 2011-07-06

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