EP3406772A1 - Liteau et cadre de lisses - Google Patents

Liteau et cadre de lisses Download PDF

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Publication number
EP3406772A1
EP3406772A1 EP17172197.0A EP17172197A EP3406772A1 EP 3406772 A1 EP3406772 A1 EP 3406772A1 EP 17172197 A EP17172197 A EP 17172197A EP 3406772 A1 EP3406772 A1 EP 3406772A1
Authority
EP
European Patent Office
Prior art keywords
receiving space
rod
shaft rod
base body
fastening element
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
EP17172197.0A
Other languages
German (de)
English (en)
Other versions
EP3406772B1 (fr
Inventor
Christian Gerth
Ralph Simmack
Stefan Kailer
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.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
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 Groz Beckert KG filed Critical Groz Beckert KG
Priority to EP17172197.0A priority Critical patent/EP3406772B1/fr
Priority to JP2018097912A priority patent/JP7139149B2/ja
Priority to CN201810494873.0A priority patent/CN108930084B/zh
Publication of EP3406772A1 publication Critical patent/EP3406772A1/fr
Application granted granted Critical
Publication of EP3406772B1 publication Critical patent/EP3406772B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0608—Construction of frame parts
    • D03C9/0616—Horizontal upper or lower rods
    • D03C9/0625—Composition or used material
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0608—Construction of frame parts
    • D03C9/0616—Horizontal upper or lower rods
    • D03C9/0633—Heald bars or their connection to other frame parts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0691—Arrangements of means for damping or noise reduction

Definitions

  • Shank rods for heald frames are known in many designs. Often extruded hollow profile rods are used today as a base body for the shaft rod made of aluminum. In most cases additional components such as a heddle support rail, guide elements, drive elements, components for connecting a side support and others are attached to these aluminum profiles. For shaft rods for particularly fast-running weaving machines, stiffening rods are also used, for example. Carbon fiber composite rods and damping bands made of plastic as a stop for the strung with strands known.
  • the DE 102 06 130 B4 shows a damping band which is clamped to an aluminum shaft rod or to an additional intermediate profile. There is no stiffening rod.
  • the DE 199 62 977 A1 shows damping bands that are glued eg. In this document no stiffening rod is shown.
  • the EP 2 669 413 A1 shows a weaving shank for high-speed weaving machines, which has both a stiffening rod and a damping band.
  • the damping band is introduced into or around the stiffening rod and held by this with little play by a kind of positive engagement.
  • the in EP 2 669 413 A1 shown stiffening rods and / or damping bands very filigree and are not or not sufficiently reproducible produced with the usual methods due to the small size and tight radii. In practice, these problems lead among other things to the failure of the stiffening rod or the damping band. Due to the limited installation space, no possibility was found to fix the two partners via a positive connection without at least one of the two being at risk of breakage.
  • a shaft rod having a base body, a stiffening rod and a damping band and in which the base body together with the stiffening rod forms a receiving space in which a fastening element of the damping band is received.
  • a receiving space which is bounded by the base body and the stiffening rod together, the existing space can be used in the best possible way.
  • stiffening rod in the context of the present invention apply to a body fixed body whose primary task is to increase the flexural rigidity of the body. Also, the heddle support rail often increases significantly the bending stiffness of the body, however, the primary task of the heald bar is to hold the strands.
  • the heald bar only very wear-resistant materials in question, mostly the heald bars are made of hardened steel.
  • fasteners for the heddle support rail are known, which in turn can increase the bending stiffness of the body as a side effect.
  • such elements are not stiffening rod in the sense of this invention and are also formed accordingly from the material of the stiffening rod deviating materials.
  • the base body is an extruded from aluminum or a light metal alloy hollow profile rod, which includes various functions.
  • the heald support rail can be attached to a chamberless extension of the main body. In the chamber, a connection to a side support can be accommodated at both ends. All elements that serve to fulfill such basic functionalities form the main body - even in the case of multi-part design.
  • a base body, which is set up for a shaft rod according to the invention, provides the possibility of connecting a stiffening rod which increases its bending stiffness and, with such a stiffening rod, forms a receiving space for a damping band.
  • the stiffening rod is geometrically designed so that it can be easily attached to the body, as it is most advantageous for increasing the flexural rigidity of the body and eg in the EP 2 669 413 A1 is described.
  • the stiffening rod has geometric features with the aid of which a receiving space for a damping band is formed, for example, as explained in more detail later a projection.
  • the reinforcing rod also fulfills the function of forming a receiving space for a damping band together with the basic body.
  • the stiffening rod should preferably not serve to fasten the heddle support rail to the base body.
  • the damping band is preferably an extruded plastic profile.
  • the main body, the stiffening body and preferably also the damping band extend over the entire longitudinal extension of the shaft rod.
  • the space available for the heddle space is limited in the transverse direction by the pitch of the heald frames in the loom, usually to 12mm per weaving shank.
  • the main body of the shaft rod therefore usually has a maximum extension of approximately 10 mm or less in this direction.
  • the directions on the main body and shaft rod are defined as follows:
  • the direction in which the constant cross section of the hollow chamber profile produced by a press die extends is the longitudinal direction. Perpendicular to this, the profile in its extension is usually limited to about 10mm maximum in the transverse direction and finally the vertical direction to both aforementioned vertical.
  • the optimal utilization of the space creates a receiving space in which fits a fastener of a damping band, which is stable and reproducible to produce.
  • the stiffening profile can be performed less filigree than in the prior art and is therefore also sufficiently stable.
  • the fastening means is held by a positive connection in the receiving space.
  • the fastening means is held by a positive connection in the receiving space.
  • the fastening element is received with clearance in the receiving space.
  • the damping band can be easily pulled from the side in the longitudinal direction into the receiving space.
  • the receiving space has an opening through which the fastening element of the damping band can engage in the receiving space. Furthermore, it is preferred if a clear width of this opening is smaller than the inside diameter of the receiving space, wherein according to the invention the slight width of the opening and the inside width of the receiving space are each bounded by the main body on the one hand and the stiffening rod on the other hand.
  • An undercut for the fastener can be formed.
  • An undercut is generally a design feature that prevents separation from a second part by protruding or broadening one part by enclosing an open chamber or accessible space from which the protrusion or broadening of the first part does not destroy or deformation can be taken out.
  • the fastener can then interact with the undercut and thus set the damping band on the shaft rod.
  • the fastening element can extend at an approximate retention of its wall thickness angled. By bending the fastener widens in comparison to its simple wall thickness and can not fall out of the receiving space, because the fastener is wider by this angled course than the inside diameter of the opening of the receiving space.
  • the undercut can be formed by the configuration of the stiffening rod or by the shape of the body or by both.
  • a projection may be arranged on the base body, by means of which the clear width of the opening is reduced in comparison to the clear width of the receiving space. Such a projection will for this project at least partially in the transverse direction against the course of the body in the height direction. Similarly, such a protrusion extending also or only on the stiffening rod.
  • the receiving space may have at least one boundary surface which is at an acute angle to the height direction and to the transverse direction of the base body is arranged.
  • the arranged on the base body boundary surface of the receiving space can only extend in the height direction.
  • the main body can be designed to maximize weight savings.
  • a shaft rod for high-speed weaving machines has a base body and a stiffening rod.
  • the shaft rod is characterized in that the base body together with the stiffening rod forms a receiving space in which a fastening element of a damping band can be accommodated.
  • a correspondingly adapted damping band can be subsequently introduced or, if necessary, replaced and replaced by a new one.
  • FIG. 1 shows an embodiment of a shaft rod 1 in a sectional view parallel to the longitudinal direction L.
  • components such as guide elements and the like are shown.
  • Only a heald bar is shown.
  • At splices only one adhesive gap is shown, other simplifications that do not interact directly with the invention are performed.
  • On the main body 2 a stiffening rod 3 and a damping band 4 are in the vicinity of the heddle support rail attached.
  • FIG. 2 shows an enlarged section FIG. 1
  • the stiffening rod 3 and the damping band 4 are clearly visible in this view.
  • the stiffening rod 3 is encompassed on parts of its extension of 3 sides of the base body 2.
  • the stiffening rod 3 has a projection in the transverse direction at its lower end.
  • the damping band 4 has a hollow body portion and starting therefrom a fastening element 6 which runs roughly in the form of the number "7". As a result, the fastening element 6 expands in the transverse direction Q and is thus held in the receiving space 5 by a positive engagement.
  • the projection of the stiffening rod 3 runs at an acute angle to the height direction H and to the transverse direction Q.
  • the fastening element 6 of the damping band 4 abuts against the corresponding inclined surface and on the boundary wall extending in the height direction H, which is formed by the base body 2. It can be clearly seen that there is still a free space in the receiving space 5 in this view above the fastening element 6. The fastening element 6 is thus received with clearance in the receiving space 5. It can also be clearly seen that the fastening element 6 is held by a positive engagement in the receiving space 5 and in this representation can not fall down from the receiving space 5. The fastening element 6 is wider by its curved course than the clear width Wö the opening 7 of the receiving space. 5
  • the opening 7 of the receiving space 5 and the clear width Wö of the opening 7 and the inside width Wa in the interior of the receiving space 5 can be better seen in the figure to 3.
  • FIG. 3 the cutout FIG. 2 in which the damping band 4 is displaced downwards in the height direction H.
  • the clear width Wö of the opening 7 and the inside width Wa inside the Recording room 5 are indicated by arrows. It can be clearly seen that the arrow for the inside width Wa in the interior of the receiving space 5 is longer than the arrow for clear width Wö the opening 7.
  • an undercut by the projection of the stiffening rod and the body, whereby the damping band 4 by means of his Fastener 6 can be set.
  • FIG. 4 shows a further embodiment of a shaft rod 1 in a view like FIG. 1 ,
  • all the boundary walls of the receiving space 5 extend in the height direction H or transverse direction Q.
  • the damping band in turn has a hollow body portion, the fastening element extends at a bend at 90 °.
  • the angled portion of the fastener 6 is held by positive engagement in the receiving space 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Vibration Prevention Devices (AREA)
EP17172197.0A 2017-05-22 2017-05-22 Liteau et cadre de lisses Active EP3406772B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP17172197.0A EP3406772B1 (fr) 2017-05-22 2017-05-22 Liteau et cadre de lisses
JP2018097912A JP7139149B2 (ja) 2017-05-22 2018-05-22 フレームスティーブ及びヘルドフレーム
CN201810494873.0A CN108930084B (zh) 2017-05-22 2018-05-22 框架板和综框

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17172197.0A EP3406772B1 (fr) 2017-05-22 2017-05-22 Liteau et cadre de lisses

Publications (2)

Publication Number Publication Date
EP3406772A1 true EP3406772A1 (fr) 2018-11-28
EP3406772B1 EP3406772B1 (fr) 2021-02-24

Family

ID=58745150

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17172197.0A Active EP3406772B1 (fr) 2017-05-22 2017-05-22 Liteau et cadre de lisses

Country Status (3)

Country Link
EP (1) EP3406772B1 (fr)
JP (1) JP7139149B2 (fr)
CN (1) CN108930084B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900009114A1 (it) * 2019-06-17 2020-12-17 Itema Spa Quadro-liccio per telai di tessitura comprendente un dispositivo di frenatura del movimento per inerzia delle maglie nelle fasi di inversione di moto del quadro-liccio

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900008379A1 (it) * 2019-06-07 2020-12-07 Itema Spa Traversa di quadro-liccio per telai di tessitura a rigidita' migliorata

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19962977A1 (de) 1999-12-24 2001-09-13 Picanol Nv Webschaft für eine Webmaschine
EP1176237A1 (fr) * 2000-07-24 2002-01-30 Etablissement Burckle Et Compagnie Sa Cadre de lisse pour machine à tisser equipe d'un dispositif amortisseur de lisses et dispositif amortisseur de lisses
WO2013064355A2 (fr) * 2011-11-03 2013-05-10 Picanol Cadre de lisses muni d'un profil de renfort
EP2669413A1 (fr) 2012-05-31 2013-12-04 Groz-Beckert KG Liteau avec barre de renfort pour une corde à lisse
DE10206130B4 (de) 2002-02-14 2016-09-01 Groz-Beckert Kg Webschaft mit mindestens einer Weblitze

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10329219B4 (de) * 2003-06-28 2007-04-05 Groz-Beckert Kg Schaftstab mit beweglichem Litzendämpfungselement
DE10349383B4 (de) * 2003-10-21 2005-11-24 Groz-Beckert Kg Webschaft mit Mittelverbinder
JP3141316U (ja) 2008-02-15 2008-05-01 ナンカイ工業株式会社 ロッド交換式織機のヘルド緩衝装置
JP6312194B2 (ja) * 2013-10-25 2018-04-18 新日鉄住金マテリアルズ株式会社 炭素繊維強化複合材製ヘルドフレームステーブ、及び、サイドステー取付部構造

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19962977A1 (de) 1999-12-24 2001-09-13 Picanol Nv Webschaft für eine Webmaschine
EP1176237A1 (fr) * 2000-07-24 2002-01-30 Etablissement Burckle Et Compagnie Sa Cadre de lisse pour machine à tisser equipe d'un dispositif amortisseur de lisses et dispositif amortisseur de lisses
DE10206130B4 (de) 2002-02-14 2016-09-01 Groz-Beckert Kg Webschaft mit mindestens einer Weblitze
WO2013064355A2 (fr) * 2011-11-03 2013-05-10 Picanol Cadre de lisses muni d'un profil de renfort
EP2669413A1 (fr) 2012-05-31 2013-12-04 Groz-Beckert KG Liteau avec barre de renfort pour une corde à lisse

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900009114A1 (it) * 2019-06-17 2020-12-17 Itema Spa Quadro-liccio per telai di tessitura comprendente un dispositivo di frenatura del movimento per inerzia delle maglie nelle fasi di inversione di moto del quadro-liccio
CN112095201A (zh) * 2019-06-17 2020-12-18 意达股份公司 用于织机的综框框架
EP3754065A1 (fr) * 2019-06-17 2020-12-23 ITEMA S.p.A. Cadre de lisses pour métiers à tisser, comprenant un dispositif de freinage du mouvement de la lisse par inertie pendant les phases d'inversion du mouvement des cadres de lisses
CN112095201B (zh) * 2019-06-17 2023-09-29 意达股份公司 用于织机的综框框架

Also Published As

Publication number Publication date
JP7139149B2 (ja) 2022-09-20
CN108930084B (zh) 2022-03-04
JP2018197418A (ja) 2018-12-13
EP3406772B1 (fr) 2021-02-24
CN108930084A (zh) 2018-12-04

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