EP0504102A1 - Schaftstab und Schaftrahmen für eine Webmaschine - Google Patents

Schaftstab und Schaftrahmen für eine Webmaschine Download PDF

Info

Publication number
EP0504102A1
EP0504102A1 EP92810141A EP92810141A EP0504102A1 EP 0504102 A1 EP0504102 A1 EP 0504102A1 EP 92810141 A EP92810141 A EP 92810141A EP 92810141 A EP92810141 A EP 92810141A EP 0504102 A1 EP0504102 A1 EP 0504102A1
Authority
EP
European Patent Office
Prior art keywords
shaft rod
shells
shaft
rod according
profile
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Withdrawn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
EP92810141A
Other languages
German (de)
English (en)
French (fr)
Inventor
Hansjörg Gysin
Wilhelm Servis
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.)
Sulzer AG
Original Assignee
Sulzer AG
Gebrueder Sulzer AG
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 Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer AG
Publication of EP0504102A1 publication Critical patent/EP0504102A1/de
Withdrawn legal-status Critical Current

Links

Images

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
    • D03C9/0683—Arrangements or means for the linking to the drive system
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/902—High modulus filament or fiber

Definitions

  • the invention relates to a shaft rod of a shaft frame for a weaving machine, which contains fiber composite materials and has a flat profile, and a shaft frame with such shaft rods.
  • the shaft frame and shaft rods of modern weaving machines have to meet high mechanical loads. Up to now, they have therefore mostly been made of metal, for large weaving widths more of steel, for high-speed machines increasingly of aluminum. They are made up of many parts and are therefore relatively expensive to manufacture. In addition, they still have relatively large inert masses, which increasingly poses problems with high and increasing machine speeds. Shaft frames which contain thermoset composite parts have also become known. However, these are still too complex and expensive to manufacture, are still complicated to set up and, moreover, there are problems in continuous operation.
  • the shaft rods have a simple structure, can be produced inexpensively and quickly, consist of a few parts, have reduced masses and / or higher stiffnesses and at the same time achieve long operating times.
  • the particular advantages of the inventive solution are that with a new structure, combined with new composite materials and their arrangement, improvements in the mechanical properties as well as significant simplifications and cost reductions are achieved.
  • high strength and rigidity with low weight is achieved in the simplest possible way by combining the half-shell structure with double-sided load-bearing and very rigid reinforcements at the flat ends of the profile bar, i.e. through the outside longitudinal reinforcement and the inside support rail, which carries both the strands and is also mechanically firmly integrated into the shaft rod.
  • the hollow profile formed from two mechanically fixed half-shells serves as a light and stable spacer between these end longitudinal reinforcements.
  • the outer longitudinal reinforcement and the inner mounting rail are each mechanically firmly connected to the half-shells.
  • the thermoplastic matrix also results in increased fatigue strength and impact resistance of the shaft rods or the shaft frame.
  • the half-shell hollow profile structure further increases bending rigidity, high vibration damping and, ultimately, a substantial reduction in noise.
  • mechanically particularly stable and easily manufactured shaft rods can be created by thermoplastic welding of the half-shells.
  • a particularly favorable, simple power transmission can be achieved by a flat connection of the mounting rail and half-shells, the height of the connecting surface advantageously being at least as large as the thickness of the mounting rail.
  • Suitable inexpensive versions of the mounting rail can consist of a steel profile or a sheet steel profile.
  • the longitudinal reinforcement can also consist of steel, aluminum or sheet steel profiles. Particularly light and stiff designs can be achieved with UD reinforcement fibers.
  • Light and inexpensive half shells can contain at least 50% glass fibers and + 45 ° glass fiber laminate.
  • Suitable matrix materials of the half shells can consist of PPS, PEI, PA, PES, PSU, PUR or PE. Particularly good stiffness is achieved through flat transition areas of the half shells to the longitudinal reinforcement and mounting rail. Their angle of inclination is advantageously at most 40 °.
  • Good force transmission in connection areas can be formed by a support thermoplastic welded to the half-shells.
  • Particularly simple and stable heald frame can be formed by identical, symmetrically arranged upper and lower shaft rods.
  • the shaft rod 11 according to the invention has a simple, integrated structure with two longitudinal reinforcements located at the ends of its flat profile: with an outer longitudinal reinforcement 17 and an inner support rail 18, which also carries the strands 8 and thus the strand tensile forces K8 records (see also Fig. 9).
  • the light and mechanically strong half-shells 16 consist of thermoplastic composite material with technical continuous fibers.
  • the half-shell hollow profile serves as a spacer element which transmits or absorbs the forces Ka, Kb between the supports 17 and 18.
  • the longitudinal reinforcement is designed as a UD profile 31.
  • This profile with high specific strength and rigidity consists of unidirectional carbon or glass fibers in a thermoplastic matrix.
  • a particularly good connection via the connecting surface 10 between the longitudinal reinforcement 17 and the half-shells 16 is achieved if both have the same matrix material and this is thermoplastic welded to one another at the connecting surface 10.
  • Such connections are also quick and easy to implement.
  • a steel profile 44 is mechanically fixed to the half-shells 16 as a support rail 18 for the strands 8.
  • This mechanically firm connection can also be made by screwing or riveting.
  • flat connections by means of gluing, welding or amorphous joining, quasi thermoplastic soldering are particularly advantageous.
  • the steel profile 44 is designed here in such a way that a relatively large connecting surface 19 is created.
  • the height H is advantageously greater than the thickness D of the mounting rail 18. So that the strands 8 simply into the Carrier rail 18 can be hooked in and so that the strand forces K8 come to lie in the central plane 24 of the shaft rod, here the half shell 16b is bent flat in a transition region 12 between the center of the rod and the inside.
  • the half-shells (16a and 16b) are also bent flat in a transition region 12. These transition areas have relatively small angles W, preferably at most 40 °.
  • FIG. 2 shows a half-shell shaft rod with a two-part longitudinal reinforcement 17 in the form of unidirectional profiles 32 and an easily formable and inexpensive sheet steel profile 47 as a heddle support rail 18.
  • Another advantage of the half-shell rods according to the invention is the possibility of connecting parts for connecting elements such as guide elements in a simple manner 4 and actuating elements 3, which result in a favorable introduction of force to the half-shell profile.
  • a fiber-reinforced pad 14 with the same thermoplastic matrix can be welded onto the half-shells 16.
  • a connection area 13 for an actuating element 3 is thus formed in FIG. 6 (see also FIGS. 9 and 10).
  • the tapering shape 49 of the UD profile 33 results in a particularly favorable continuous course of the power transmission to the half-shell structure.
  • connection area 5 is formed by thermoplastic deformation and, depending on the forces to be absorbed, with or without additional support 14 in the central area 25 of the rod profile, which connects to the side supports 2 of a shaft frame, as shown in FIGS. 9 and 11 is continued.
  • the longitudinal reinforcement 17 is here as a steel profile 34 between the Half-shells 16a, 16b glued in and designed such that no curved transition area is necessary on the outside of the profile. It is only on the inside that a flat curved transition region 12 of the half shell 16b to the mounting rail 18 is required.
  • the mounting rail 18 is designed as a further example of a sheet steel profile 46.
  • a heald frame guide element 4 is glued to the half-shell 16 on the outside of the rod, the steel profile 34 also acting here as a reinforcing base.
  • FIGS. 4 to 7 show further suitable designs of the longitudinal reinforcement 17.
  • FIG. 4 shows a steel profile 35 which is glued to the half-shells 16 on both sides.
  • FIGS. 5 to 7 show further examples of inexpensive sheet steel profiles 36, 39 and 40, with flat half-shells for profile 36, with little curved half-shells for profile 39 and with welded half-shells 16 for two-part profile 40.
  • FIG. 9 shows a heald frame 1 with an upper and lower shaft rod 11 according to the invention.
  • Frame frames with identical shaft rods, which are arranged symmetrically to the shaft center 7, are particularly easy to manufacture.
  • the shaft frame also has side supports 2 with guide profiles 6, actuating elements 3 and upper and lower guide elements 4.
  • connection area 13 which is formed by a welded support 14.
  • the actuating element 3 is detachable, e.g. fixed by screwing, or also by gluing (see Fig. 6).
  • FIG. 11 shows a connection of shaft rods 11 and side supports 2.
  • a connection area 5 (FIG. 3) in the The central region of the half-shell profile bar 11 is formed by a thermoplastic indentation of the half-shells 16 with a welded-in support 14 lying between them.
  • the side supports 2 can likewise consist of thermoplastic composite material with high-strength technical fibers. Then the one side support can also be firmly welded to the half-shells of the shaft rods, while the second side support is detachably connected for the purpose of pulling in the strands.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Looms (AREA)
EP92810141A 1991-03-14 1992-02-27 Schaftstab und Schaftrahmen für eine Webmaschine Withdrawn EP0504102A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH77691 1991-03-14
CH776/91 1991-03-14

Publications (1)

Publication Number Publication Date
EP0504102A1 true EP0504102A1 (de) 1992-09-16

Family

ID=4194925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92810141A Withdrawn EP0504102A1 (de) 1991-03-14 1992-02-27 Schaftstab und Schaftrahmen für eine Webmaschine

Country Status (3)

Country Link
US (1) US5232025A (ja)
EP (1) EP0504102A1 (ja)
JP (1) JPH04327233A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770722A1 (en) * 1995-10-16 1997-05-02 Nuova O.M.V. S.r.l. Crosspiece of composite structure for heald frames of looms
DE19917791C1 (de) * 1999-04-20 2000-09-28 Schmeing Gmbh & Co Verfahren zur Herstellung eines Schaftstabes für Webschäfte
DE19839465B4 (de) * 1997-09-03 2005-12-01 Steel Heddle Mfg. Co. Schaftrahmenbaugruppe mit verbesserten Litzentragschienen
EP2037020A1 (de) * 2007-09-12 2009-03-18 Groz-Beckert KG Profilstab und Tragstab für einen Webschaft
EP2037019A1 (de) * 2007-09-11 2009-03-18 Groz-Beckert KG Geklebte Litzentragschiene

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2857675B1 (fr) * 2003-07-18 2006-01-13 Staubli Sa Ets Cadre lisses et metier a tisser pourvu d'au moins un tel cadre
JP4961101B2 (ja) * 2003-07-18 2012-06-27 シュトイブリー・ファベルゲ ヘルド枠と少なくとも１個のこのヘルド枠を備えた織機
DE10346399B4 (de) * 2003-10-07 2007-04-05 Groz-Beckert Kg Schaftstab für Webmaschinen
DE102004035996A1 (de) * 2004-07-16 2006-02-02 Picanol N.V. Webschaft mit Litzentragstange
DE102004055381B3 (de) * 2004-11-17 2006-04-06 Groz-Beckert Kg Schafstab für Webschäfte
EP1992724B1 (de) * 2007-05-14 2012-01-25 Groz-Beckert KG Zweiteilbarer Webschaft
IT201900008379A1 (it) * 2019-06-07 2020-12-07 Itema Spa Traversa di quadro-liccio per telai di tessitura a rigidita' migliorata

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1020521A (fr) * 1950-04-29 1953-02-06 Formenti Sa Fab Perfectionnements apportés aux cadres porte-lisses pour métiers à tisser
FR1037843A (fr) * 1950-06-28 1953-09-23 Formenti Sa Fab élément métallique profilé pour cadres de lames porte-lisses
WO1988005837A1 (en) * 1987-01-28 1988-08-11 Grob & Co. Aktiengesellschaft Supporting bar for a board
EP0302798A2 (en) * 1987-08-06 1989-02-08 Steel Heddle Mfg. Co. Harness frame slat and heddle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH637702A5 (de) * 1979-07-13 1983-08-15 Grob & Co Ag Webeschaft.
US4508145A (en) * 1982-07-06 1985-04-02 Steel Heddle Mfg. Co. Heddle frame and composite frame slat construction
JPS62156331A (ja) * 1985-12-26 1987-07-11 日立化成工業株式会社 織機用ヘルドフレ−ム部材
JPS63112744A (ja) * 1986-10-24 1988-05-17 住友化学工業株式会社 織機用綜絖枠の外枠ステ−

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1020521A (fr) * 1950-04-29 1953-02-06 Formenti Sa Fab Perfectionnements apportés aux cadres porte-lisses pour métiers à tisser
FR1037843A (fr) * 1950-06-28 1953-09-23 Formenti Sa Fab élément métallique profilé pour cadres de lames porte-lisses
WO1988005837A1 (en) * 1987-01-28 1988-08-11 Grob & Co. Aktiengesellschaft Supporting bar for a board
EP0302798A2 (en) * 1987-08-06 1989-02-08 Steel Heddle Mfg. Co. Harness frame slat and heddle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770722A1 (en) * 1995-10-16 1997-05-02 Nuova O.M.V. S.r.l. Crosspiece of composite structure for heald frames of looms
DE19839465B4 (de) * 1997-09-03 2005-12-01 Steel Heddle Mfg. Co. Schaftrahmenbaugruppe mit verbesserten Litzentragschienen
DE19917791C1 (de) * 1999-04-20 2000-09-28 Schmeing Gmbh & Co Verfahren zur Herstellung eines Schaftstabes für Webschäfte
EP2037019A1 (de) * 2007-09-11 2009-03-18 Groz-Beckert KG Geklebte Litzentragschiene
US7762285B2 (en) 2007-09-11 2010-07-27 Groz-Beckert Kg Glued heald mounting rail
CN101387027B (zh) * 2007-09-11 2011-12-14 格罗兹-贝克特公司 粘接综片安装轨道
EP2037020A1 (de) * 2007-09-12 2009-03-18 Groz-Beckert KG Profilstab und Tragstab für einen Webschaft
US7779869B2 (en) 2007-09-12 2010-08-24 Groz-Beckert Kg Profile rod and carrier rod for a heald shaft
CN101387030B (zh) * 2007-09-12 2013-12-04 格罗兹-贝克特公司 用于综框的异型杆和承载器杆

Also Published As

Publication number Publication date
US5232025A (en) 1993-08-03
JPH04327233A (ja) 1992-11-16

Similar Documents

Publication Publication Date Title
DE3621145C2 (de) Aus Profilblechen gebildeter scherfester Schaftstab
EP0475547A1 (de) Aufprallträger
DE69911040T2 (de) Werkzeughalter
EP0504102A1 (de) Schaftstab und Schaftrahmen für eine Webmaschine
EP0299005B1 (de) Tragstab für einen webschaft
DE102005048001A1 (de) Verbindungselement
DE2645174C2 (de) Rotorkopf für einen schlag- und schwenkgelenklosen Rotor
EP0496054B1 (de) Schaftstab für einen Webschaft
DE19816950B4 (de) Verstärkter Schaftrahmen
DE3621697A1 (de) Aufpralltraeger zur versteifung von insbesondere kraftfahrzeugtueren
EP2492517B1 (de) Verbindungsanordnung für Bambusrohre
DE3624537C2 (ja)
EP1659200B1 (de) Schaftstab für Webschäfte
EP0504101A1 (de) Schaftstab und Schaftrahmen für eine Webmaschine
DE3419176C2 (ja)
DE10319959B4 (de) Webschaft für eine Webmaschine
EP0504104A1 (de) Schaftstab und Schaftrahmen für eine Webmaschine
DE2606347A1 (de) Biegesteifer greiferwagen, insbesondere fuer offsetdruckmaschinen, und verfahren zur herstellung von biegesteifen greiferwagenstrukturen
EP1736579B1 (de) Webschaft
DE569996C (de) Hohlwelle
EP3406772A1 (de) Schaftstab und webschaft
DE3630593C1 (de) Eckverbindung zwischen zwei Faserverbund-Traegern
EP0311837A1 (de) Hohlprofil, insbesondere Rohr, aus langfaserverstärktem Kunststoff und Verfahren zur Herstellung dieses Hohlprofils
CH643310A5 (en) Heald frame
DE19524903A1 (de) Wellenförmige Kraftübertragungseinrichtung in faserverstärkte Rahmenstrukturen sowie Verfahren zu ihrer Herstellung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE CH DE FR GB IT LI NL

17P Request for examination filed

Effective date: 19921022

17Q First examination report despatched

Effective date: 19940520

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19941001