EP1590514B1 - Element de fermeture pour tubes polygonaux a air comprime sur un metier a filer - Google Patents

Element de fermeture pour tubes polygonaux a air comprime sur un metier a filer Download PDF

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Publication number
EP1590514B1
EP1590514B1 EP03767658A EP03767658A EP1590514B1 EP 1590514 B1 EP1590514 B1 EP 1590514B1 EP 03767658 A EP03767658 A EP 03767658A EP 03767658 A EP03767658 A EP 03767658A EP 1590514 B1 EP1590514 B1 EP 1590514B1
Authority
EP
European Patent Office
Prior art keywords
closing element
sealing
compressed air
counterpart
element according
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
EP03767658A
Other languages
German (de)
English (en)
Other versions
EP1590514A1 (fr
Inventor
Wilhelm Birkenmaier
Jürgen Schlegel
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Oerlikon Accotex Texparts 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 Oerlikon Accotex Texparts GmbH filed Critical Oerlikon Accotex Texparts GmbH
Publication of EP1590514A1 publication Critical patent/EP1590514A1/fr
Application granted granted Critical
Publication of EP1590514B1 publication Critical patent/EP1590514B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/46—Loading arrangements
    • D01H5/52—Loading arrangements using fluid pressure

Definitions

  • the invention relates to a closure element for compressed air-bearing polygonal pipes according to the preamble of claim 1.
  • Pneumatic loadable top roll center and loading arms which are attached to a support bar of the machine by means of supports, are used on drafting machines for spinning machines.
  • the support rod is hollow and serves as a compressed air line.
  • Such a drafting system is used for example in the DE 198 29 403 A1 described.
  • a support rod formed from polygonal tubular pieces known the pipe sections are each provided at their ends with closure elements.
  • a support rod which is composed of individual pieces of pipe, a modular construction of the support rod and the compressed air supply for spinning machines of different lengths is possible.
  • the closure elements are sealingly inserted into the ends of the polygonal pipe pieces.
  • the compressed air guide between the polygonal pipe pieces is made by connecting pipe pieces between the end elements.
  • the polygonal tubes are added at their ends in recesses of also referred to as a punch supports and means Fixed screw.
  • the profile tube is penetrated in the end, in which the respective end element is inserted, by a fixing screw.
  • the present invention seeks to improve the known closure elements.
  • closure element is the subject of the dependent claims.
  • the closure element according to the invention seals the polygonal tube safely and with long-term stability.
  • An additional security for example by positive locking pins, against displacement by the pressure built up inside the polygonal pipe air pressure is not required because the sealing element is sufficiently firmly fixed in its position with activated sealing function in position. Assembly and disassembly of the closure elements with respect to closure elements according to the prior art are facilitated.
  • the closure elements and the polygonal pipes are reusable, without additional effort, such as cleaning, operate.
  • a closure element according to claim 2 makes it possible to apply the sealing element uniformly with axial pressure and to achieve a reliable sealing effect.
  • the closure element according to claim 3 makes it possible to effect sealing and fixing at the same time in a used already in the polygonal tube closure element.
  • the release of the fixation and the dismantling of the closure element from the polygonal tube is easy and simple to carry out.
  • a closure element according to claim 4 provides sufficient space for the compressed air channel, which ensures the necessary flow of compressed air, and allows next to a central engagement of the screw on the counterpart, which counteracts a tilting of the counterpart when tightening the screw. In addition, can be prevented by the formation of tail and counterpart in the Siemens.des compressed air channel a non-correct assembly of the parts of the closure element.
  • a closure element according to claim 6 or 7 ensures a sufficient and secure sealing effect.
  • a closure element according to claim 8 is universally suitable for various types of supports or punches.
  • a two-sided support profile on the recess of the closure element counteracts deformation of the hollow profile, even with excessive tightening torque of the mounting screws.
  • the closure element is designed so that it seals the interior of the polygonal tube against the recess.
  • the fastening points of the polygonal tubular piece are arranged in a region of the closure element which is not compressed air-conducting.
  • the openings in the polygonal pipe, through which the fastening screws of a screw connection between the polygonal pipe and the machine lead, need not be sealed.
  • the shape and position of the recess ensures sufficient stiffening of the end of the polygonal tube.
  • the closure element according to the invention seals the interior of the polygonal tube safely and with long-term stability. Simultaneously with the sealing effect, the closure element can be fixed in its position against the ruling in the interior of the polygonal tube air pressure without additional aids. Any necessary repair of the support rod forming polygonal tube is possible in a simple manner with low disassembly and assembly effort even when the polygonal tube is installed as part of a support rod between other polygonal tubes.
  • the end element 1 comprises an end piece 2, a sealing element 3, a counterpart 4, a screw 5 and a sealing washer 6.
  • the end piece 2 has a guide portion 7, the outer profile of the inner profile of in FIG. 1 dashed polygonal pipe 8 is adapted.
  • the polygonal tube 8 is formed as a square profile.
  • the guide portion 7 is followed by a sealing portion 9 with the same outer profile profile, wherein the width and height of the outer profile of the sealing portion 9 is formed smaller than the width and height of the guide portion 7.
  • a Stop 10 is formed, which cooperates with the end face 11 of the polygonal tube 8 and beyond the desired position beyond pulling or pushing the closure element 1 in the polygonal tube 8 is prevented.
  • the guide section 7 has a recess 12. Through this recess 12 and the holes 13 engages a fastening screw, not shown for reasons of simplification, with which the polygonal tube 8 is attached to the support or punch. On both sides of the recess 12, a support profile 14, 15 is formed, the a deformation of the hollow polygonal tube 8 counteracts.
  • the recess 12 in the end piece 2 for the fastening screw is dimensioned sufficiently large to be universally suitable and usable for different depending on the execution of the punch screw sizes and positions.
  • the stop 10 has the center of the mouth of the feed channel 16 for the screw 5 and off-center the mouth of the connecting channel 17 for the compressed air guide.
  • the profile shape of the sealing element 3 corresponds to the polygonal tube 8 and the sealing portion 9, wherein the inner profile of the sealing element 3, the outer profile of the sealing portion 9 and the outer profile of the sealing element 3 is adapted to the inner profile of the polygonal tube 8.
  • the sealing element 3 is made of rubber.
  • the wall thickness T of the sealing element 3 is slightly smaller than the distance between the inner side of the polygonal tube 8 and the outer side of the guide section 7 in the case of the terminating element 1 inserted into the polygonal tube 8.
  • the length L of the sealing element 3 is a multiple of the wall thickness T and is designed so that the counterpart 4, the sealing element 3 can apply sufficient axial pressure.
  • the counterpart 4 comprises a hollow profile 18 with the same profile shape as the sealing element 3 and is at one end by the in Fig. 2 recognizable rear wall 19 completed.
  • the rear wall 19 has inwardly directed, a support member 20 and a channel member 21.
  • the hollow profile 18 projects with its edge 22 relative to the support member 20.
  • the channel element 21 still protrudes beyond the edge 22.
  • the counterpart 4 can only fit together with the tail 2, if the slightly projecting channel element 21 occupies the correct position.
  • FIG. 1 illustrated embodiment top left in the counterpart 4.
  • the necessary flow through the compressed air is ensured.
  • the rear wall 19 and the support member 20 extends centrally a bore 23 into which a thread is formed.
  • Both the end piece 2 and the counterpart 4 are made of zinc die-cast.
  • the sectional view of FIG. 2 Further details of the design of the closure element 1 can be seen.
  • the feed channel 16 merges in the interior of the end piece 2 to a smaller diameter, wherein the transition to the smaller diameter of the feed channel 16 is designed as a support 24.
  • the connecting channel 17 merges into a compressed air channel 25, which has a smaller effective cross section than the connecting channel 17.
  • the passage opening 26 can be seen for the compressed air.
  • the channel element 21 forms part of the extension of the compressed air channel 25.
  • the sealing element 3 When assembling the closure element 1, the sealing element 3 is first pushed onto the sealing portion 9 of the end piece 2 to the guide portion 7. Subsequently, the screw 5 is inserted together with the sealing washer 6 in the feed channel 16, wherein the sealing washer 6 is placed on the support 24. The end of the screw is screwed into the threaded bore 23 of the counterpart 4 only so far that it grasps in the thread and that the counterpart 4 still exerts no axial pressure on the sealing element 3.
  • closure element 1 is inserted into the end of the polygonal tube 8 to the stop 10.
  • the screw 5 the head has a hexagon socket 27, tightened so that the end piece 2 with its edge 22 axially exerts pressure on the sealing element 3.
  • the sealing element 3 applies to the inside of the polygonal tube 8, fixes the position of the closure element 1 against the air pressure occurring in the interior of the polygonal tube 8 and seals airtight between polygonal tube 8 and end piece 2.
  • FIG. 3 An end element 1 in this state is in FIG. 3 shown.
  • the compressed air can flow through the closure element 1 from the passage opening 26 via the compressed air channel 25 to the connecting channel 17 or in the opposite direction.
  • the polygonal tube 8 is adjoined at a small distance by an adjacent polygonal tube 28.
  • the inserted into the polygonal tube 28 terminating element 29 is formed in mirror image to the closure element 1.
  • the closure element 1 and the closure element 29 are connected to each other by a connecting tube 30 which is inserted with its ends in the connecting channel 17 and the connecting channel 31.
  • the sealing of the connecting tube 30 by means of O-ring seals 32, as shown in DE 198 30 048 A1 known.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Gasket Seals (AREA)
  • Pipe Accessories (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Sealing Devices (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Claims (11)

  1. Élément de fermeture (1, 29) pour des tubes polygonaux (8, 28) délivrant de l'air comprimé sur des métiers à filer, qui est inséré en étanchéité dans l'extrémité du tube polygonal et qui présente un élément d'étanchéité élastique (3),
    caractérisé en ce que l'élément de fermeture (1, 29) comprend, en plus de l'élément d'étanchéité (3), une pièce terminale (2) et une pièce complémentaire (4), l'élément d'étanchéité (3) étant disposé entre la pièce terminale (2) et la pièce complémentaire (4), et en ce que l'élément de fermeture (1, 29) est conçu de telle sorte que, dans l'état inséré, il sollicite axialement l'élément d'étanchéité (3), de sorte que ce dernier se déforme de telle sorte qu'il étanche l'élément de fermeture (1, 29) vis-à-vis du tube polygonal (8, 28).
  2. Élément de fermeture selon la revendication 1, caractérisé en ce que l'élément de fermeture (1, 29) est conçu de telle sorte que de l'air comprimé provenant du tube polygonal (8; 28) peut s'écouler, à travers l'élément de fermeture (1, 29), dans un tube polygonal (28; 28) disposé de manière adjacente.
  3. Élément de fermeture selon la revendication 1 ou 2, caractérisé en ce que l'élément d'étanchéité (3) est élargi radialement par rapprochement relatif de la pièce terminale (2) et de la pièce complémentaire (4).
  4. Élément de fermeture selon la revendication 3, caractérisé en ce que la pièce terminale (2) et la pièce complémentaire (4) sont reliées entre elles au moyen d'une vis (5) traversant l'élément d'étanchéité (3), et en ce que la pièce terminale (2) et la pièce complémentaire (4), par le serrage de la vis (5), sollicitent l'élément d'étanchéité (3) en pression axiale.
  5. Élément de fermeture selon la revendication 3 ou 4, caractérisé en ce que la pièce terminale (2) et la pièce complémentaire (4) sont réalisées de telle sorte qu'elles forment conjointement un canal d'air comprimé (25, 33) traversant de manière excentrée l'élément de fermeture (1, 29).
  6. Élément de fermeture selon la revendication 5, caractérisé en ce qu'un tube de liaison (30) peut être inséré dans l'ouverture frontale de l'élément de fermeture (1, 29) qui est formée par le canal d'air comprimé (25, 33).
  7. Élément de fermeture selon l'une des revendications 1 à 6, caractérisé en ce que la longueur L de l'élément d'étanchéité (3) est égale à au moins 1,5 fois son épaisseur de paroi T.
  8. Élément de fermeture selon l'une des revendications 1 à 7, caractérisé en ce que l'élément d'étanchéité (3) est constitué de caoutchouc.
  9. Élément de fermeture selon l'une des revendications 1 à 8, caractérisé en ce que la pièce terminale (2) présente un évidement (12) qui est conçu pour faire passer différentes vis de fixation.
  10. Élément de fermeture selon la revendication 9, caractérisé en ce qu'un profil de soutien (44, 45) est formé de part et d'autre de l'évidement (12).
  11. Élément de fermeture selon l'une des revendications 1 à 10,
    caractérisé en ce que le tube polygonal (8, 28) est conçu comme barre porteuse pour des bras porteurs et de sollicitation de cylindre supérieur, pouvant être sollicités pneumatiquement, sur des bancs d'étirage de métiers à filer.
EP03767658A 2003-01-25 2003-11-26 Element de fermeture pour tubes polygonaux a air comprime sur un metier a filer Expired - Lifetime EP1590514B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10302880 2003-01-25
DE10302880A DE10302880A1 (de) 2003-01-25 2003-01-25 Abschlußelement für druckluftführende Mehrkantrohre
PCT/EP2003/013263 WO2004067821A1 (fr) 2003-01-25 2003-11-26 Element de fermeture pour tubes polygonaux a air comprime sur un metier a filer

Publications (2)

Publication Number Publication Date
EP1590514A1 EP1590514A1 (fr) 2005-11-02
EP1590514B1 true EP1590514B1 (fr) 2008-06-11

Family

ID=32667824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03767658A Expired - Lifetime EP1590514B1 (fr) 2003-01-25 2003-11-26 Element de fermeture pour tubes polygonaux a air comprime sur un metier a filer

Country Status (9)

Country Link
US (1) US7287367B2 (fr)
EP (1) EP1590514B1 (fr)
JP (1) JP2006513336A (fr)
KR (1) KR20050092441A (fr)
CN (1) CN100436673C (fr)
DE (2) DE10302880A1 (fr)
ES (1) ES2307986T3 (fr)
TW (1) TWI303678B (fr)
WO (1) WO2004067821A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008036664A1 (de) * 2008-08-06 2010-02-11 Oerlikon Textile Components Gmbh Oberwalzen-Trag- und Belastungsarm
DE102012203193A1 (de) * 2012-03-01 2013-09-05 Dr. Johannes Heidenhain Gmbh Längenmesseinrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3315305C2 (de) * 1983-04-27 1986-01-30 SKF GmbH, 8720 Schweinfurt Streckwerk mit zentraler Be- und Entlastung
DE3718619C3 (de) * 1987-06-03 1995-03-23 Thyssen Polymer Gmbh Verschlußstopfen
DE3732132A1 (de) * 1987-09-24 1989-04-13 Skf Textilmasch Komponenten Spinnmaschine mit walzenstreckwerken
US5673549A (en) * 1994-08-26 1997-10-07 Caress Yarns, Inc. Method and apparatus for producing randomly variegated multiple strand twisted yarn and yarn and fabric made by said method
DE29515398U1 (de) * 1995-09-18 1995-11-23 Siemens AG, 80333 München Verschlußeinrichtung
DE19829403A1 (de) * 1998-07-01 2000-01-05 Texparts Gmbh Streckwerk für Spinnereimaschinen
DE19830048C2 (de) * 1998-07-04 2000-10-19 Texparts Gmbh Spinnmaschine mit pneumatisch belasteten Oberwalzentrag- und Belastungsarmen
DE19906253A1 (de) * 1999-02-17 2000-08-31 Oskar Lehmann Gmbh & Co Kg Stopfen zum Anschluß von Rohren
DE10061832C2 (de) * 2000-12-12 2002-12-19 Helmut Bardenhagen Stopfen zur innenseitigen Rohrabdichtung
US20050183244A1 (en) * 2002-10-24 2005-08-25 Texparts Gmbh Roller mounting assembly for textile drafting system

Also Published As

Publication number Publication date
US7287367B2 (en) 2007-10-30
ES2307986T3 (es) 2008-12-01
CN1742122A (zh) 2006-03-01
CN100436673C (zh) 2008-11-26
DE10302880A1 (de) 2004-08-05
DE50309987D1 (de) 2008-07-24
KR20050092441A (ko) 2005-09-21
TW200506119A (en) 2005-02-16
TWI303678B (en) 2008-12-01
US20050229578A1 (en) 2005-10-20
JP2006513336A (ja) 2006-04-20
EP1590514A1 (fr) 2005-11-02
WO2004067821A1 (fr) 2004-08-12

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