EP1863604B1 - Dispositif de formage libre de profiles allonges, en particulier de tubes, et dispositif combine de formage libre et d'etirage de profiles allonges, en particulier de tubes - Google Patents

Dispositif de formage libre de profiles allonges, en particulier de tubes, et dispositif combine de formage libre et d'etirage de profiles allonges, en particulier de tubes Download PDF

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Publication number
EP1863604B1
EP1863604B1 EP06723543A EP06723543A EP1863604B1 EP 1863604 B1 EP1863604 B1 EP 1863604B1 EP 06723543 A EP06723543 A EP 06723543A EP 06723543 A EP06723543 A EP 06723543A EP 1863604 B1 EP1863604 B1 EP 1863604B1
Authority
EP
European Patent Office
Prior art keywords
bending
sleeve
feed unit
free
feed
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.)
Not-in-force
Application number
EP06723543A
Other languages
German (de)
English (en)
Other versions
EP1863604A2 (fr
Inventor
Thomas Flehmig
Martin Kibben
Urs KÜHNI
Jacob Ziswiler
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.)
Mewag Maschinenfabrik AG
ThyssenKrupp Steel Europe AG
Original Assignee
Mewag Maschinenfabrik AG
ThyssenKrupp Steel 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 Mewag Maschinenfabrik AG, ThyssenKrupp Steel AG filed Critical Mewag Maschinenfabrik AG
Publication of EP1863604A2 publication Critical patent/EP1863604A2/fr
Application granted granted Critical
Publication of EP1863604B1 publication Critical patent/EP1863604B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/04—Bending rods, profiles, or tubes over a movably-arranged forming menber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die

Definitions

  • the invention relates to a device for free-form bending of longitudinal profiles, comprising a feed unit which detects the longitudinal profile, with an axial sleeve which is downstream of the feed unit in positive and / or frictional engagement, and with a bending sleeve arranged downstream of the axial sleeve in the feed direction, with an outer contour the longitudinal profile adapted through opening for the longitudinal profile, wherein the bending guide by means of actuators in a direction orthogonal to the axis of its passage opening plane is linearly adjustable and about a perpendicular to both the axis of the passage opening and the direction of the linear adjustment axis is pivotable and wherein the axial sleeve with a drive equipped with their distance from the bending sleeve is adjustable.
  • a known apparatus for free-form bending differs from the device mentioned above in that the axial profile leading the longitudinal profile is arranged stationarily and thus its distance from the bending sleeve is not adjustable.
  • the bending sleeve is mounted on a cross slide, with which it can be adjusted in two transverse to the longitudinal axis of the longitudinal profile orthogonal axes.
  • the bending guide is pivotable about two mutually and perpendicular to the axis of its passage extending axes. Finally, it is rotatable about the axis of its passage opening. For all these possibilities of movement own drives and bearings are provided. To accommodate these parts on the bending guide, considerable space is needed. This place limits not insignificantly the smallest possible bending radius.
  • the mechanical engineering effort is relatively high.
  • the invention has for its object to provide a device for free-form bending of longitudinal profiles, especially pipes, which is designed easier in their design effort than the known device and also allows very small bending radii.
  • both the feed unit and the axial sleeve of rotary drives are drivable in the same direction and simultaneously relative to the bending sleeve, that the bending sleeve rotatably mounted about the axis of its passage opening and either free co-rotating with the axial sleeve or controlled controlled against it is braked.
  • the axial sleeve By reducing the adjustments required for free-form bending and relative movements - the axial sleeve needs only one drive for a translational movement and a drive for a pivoting movement with corresponding bearings, while for the rotatable or controlled braced storage of the bending sleeve needs to be provided only a brake and the initiation of a bend in space by rotation of the longitudinal profile is formed by a simultaneous rotation of the feed unit and the axial sleeve - results in a very simple structural design and a short overall length.
  • the distance between the bending sleeve and the axial sleeve can be set individually for the respective bending case, there is the possibility that longitudinal profiles, in particular tubes, can be bent with a comparatively small bending radius.
  • the feed unit is formed in a conventional manner as a fitted with a feed drive collet.
  • support means can be provided in the region between the feed unit and the axial sleeve, which hold the longitudinal profile exactly in the profile axis.
  • these support means In order to avoid a collision of these support means with the advancing during advancing feed unit, these support means must be designed so that they release the path of the feed unit.
  • a plurality of successively arranged lunettes are suitable, which can be opened and moved to the side.
  • a flexible inner mandrel can be arranged in the bending region in and after the axial sleeve as far as into the bending sleeve, its axial position is adjustable and controllable via a mandrel rod provided with the drive from the rear end of the feed unit.
  • the inventive device for free-form bending of longitudinal profiles is particularly suitable because of the described splitting of the required for free-form bending different settings with drives and bearings to be combined with a device for drawing bending, because parts of the device both for free-form bending and for Pull bending can be used.
  • other devices for free-form bending than the invention can be combined with a device for draw bending according to this inventive solution.
  • tubes according to this solution which has a longitudinal profile of the feed unit, one of the feed unit downstream in the feed direction and the longitudinal profile positively and / or non-positively detecting axial sleeve, two different types of bending units are arranged side by side on a guide frame and on the guide frame transversely to the axis of the longitudinal profile alternately movable from a working position in front of the axial sleeve in a parking position thereto lateral.
  • a bending unit with the axial sleeve and the feed unit is formed in particular with the features described above, while the other bending unit is designed as a drawing bending device.
  • a feed unit 2 in the form of a known collet, one in the feed direction in front arranged axial sleeve 3 and in turn in the feed direction arranged bending sleeve 4 with a passage opening 4a.
  • the bending sleeve may be formed as a sliding sleeve. But it can also have a roller guide. Both alternatives serve to be able to move the tube 1 through the passage opening 4a with as little friction as possible.
  • a flexible mandrel 5 which is held at the rear end of the tube 1 via a mandrel 6.
  • the mandrel 6 is connected to a drive 7, so that the mandrel 5 is axially adjustable and controllable.
  • Trained in particular as a pipe collet feed unit 2 has an axial drive 8, which is shown schematically in the drawing by a double arrow.
  • the feed unit 2 has a rotary drive 9, which is represented by a double arrow.
  • the axial sleeve 3 is also associated with a rotary drive 10, which is represented by a double arrow.
  • the rotary actuators 9 and 10 rotate in the same direction and simultaneously.
  • the axial sleeve 3 is associated with an axial drive 11, which is represented by a double arrow.
  • the axial drives 8 and 11 operate independently. With the axial drive 11, the distance from the longitudinally-axially fixed bending sleeve 4 can be adjusted.
  • the bending sleeve 4 has a translatory drive 12, which is represented by a double arrow.
  • the bending sleeve 4 has a pivoting drive 13 which represented by a double arrow.
  • the bending sleeve 4 has a pivot bearing 14, which is represented by a double arrow.
  • the pivot bearing 14 is designed such that when the longitudinal profile 1 to be bent, this transmits the rotational movement of the axial sleeve 3 on the bending sleeve 4, so that it is taken freely rotating.
  • this pivot bearing 14 is equipped with a brake, so that there may be a rotation angle offset between the two parts. This is desirable when the longitudinal profile 1 is to be twisted.
  • the spatial axes x, y, z shown in the drawing are fixed for the axial sleeve 3
  • the spatial axes u, v, w for the bending sleeve 4 are displaceable in space.
  • the bending sleeve 4 in the axial direction, i. is fixed in the direction of the w-axis, but it is co-rotating or braked about this w-axis. In the direction of the u-axis, it is translationally adjustable by means of the drive 12 and rotatable about the v-axis by means of the drive 13.
  • the bending plane is always in the u / v plane.
  • a second bend in another direction can be connected to a first bend.
  • the bending radius is determined on the one hand by the distance between the axial sleeve 3 and the bending sleeve 4 and on the other hand by the settings on the bending sleeve 4, in the direction of the u-axis, and about the v-axis.
  • lateral support means not shown in the drawing can be provided in this area.
  • they are formed as a package of lunettes, which can be opened according to the feed path of the feed unit 2 and moved out of the way.
  • the device shown is designed for free-form bending as well as for drawing bending. Both for free-form bending and drawing bending, the device has a common feed unit 2, which can be designed as a collet chuck. It is stationary, ie not moved to the side. Before the feed unit 2 is a support frame 15 which has two independent bending units B 1 , B 2 , which are laterally movable by means of drives P 1 , P 2 shown by double arrows.
  • the bending unit B 1 is in parking position, while the bending unit B 2 - is in working position.
  • the bending unit B 1 is configured for free-form bending according to the above-described bending device, while the bending unit B 2 is designed for the drawing bending.
  • the bending unit B 2 for the draw bending has, in a manner known per se, a radius template 16a, a clamping jaw 16b, a fold smoother 16c and a slide rail 16d as main components.
  • a radius template 16a a radius template 16a
  • a clamping jaw 16b a clamping jaw 16b
  • a fold smoother 16c a slide rail 16d as main components.
  • the bending unit B 2 In order to convert the device from draw bending to free-form bending, only the bending unit B 2 needs to be moved to its parking position and the bending unit B 1 for free-form bending from its parking position to the working position in front of the stationary feed unit 2.

Claims (8)

  1. Dispositif de cintrage sans matrice de profilés allongés (1), comprenant une unité d'avancement (2) enserrant le profilé allongé (1), une douille axiale (3) aménagée en aval de l'unité d'avancement (2) dans le sens d'avancement et enserrant le profilé allongé (1) par adaptation de forme et/ou par adhérence et une douille de cintrage (4) aménagée en aval de la douille axiale (3) dans le sens d'avancement avec une ouverture de passage (4a) pour le profilé allongé (1), adaptée au contour externe du profilé allongé (1), dans lequel la douille de cintrage (4) peut être déplacée linéairement au moyen de mécanismes de commande (13, 14) dans un plan s'étendant orthogonalement à l'axe (w) de son ouverture de passage (4a) et soumise à un pivotement autour d'un axe (V) s'étendant perpendiculairement tant à l'axe (w) de l'ouverture de passage (4a) qu'à la direction (w) du déplacement linéaire (13), et dans lequel la douille axiale (3) est équipée d'un mécanisme de commande (11), à l'aide duquel sa distance à la douille de cintrage (4) peut être réglée, caractérisé en ce qu'autant l'unité d'avancement (2) que la douille axiale (3) peuvent être entraînées par des mécanismes rotatifs (9, 10) dans le même sens et simultanément par rapport à la douille de cintrage, et en ce que la douille de cintrage (4) est montée à rotation autour de l'axe (w) de son ouverture de passage (4a) et peut tourner librement conjointement avec la douille axiale (3) ou peut être freinée de manière contrôlée vis-à-vis de celle-ci.
  2. Dispositif de cintrage sans matrice de profilés allongés selon la revendication 1, caractérisé en ce que l'unité d'avancement (2) se présente sous la forme d'une pince de serrage équipée d'un mécanisme d'avancement (8).
  3. Dispositif de cintrage sans matrice de profilés allongés selon les revendications 1 et 2, caractérisé en ce que la douille de cintrage (4) est conformée en douille coulissante ou présente un guidage à galets.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il est prévu, entre l'unité d'avancement (2) et la douille axiale (3), des moyens d'appui pour le profilé allongé (1), qui empêchent son flambage latéral.
  5. Dispositif de cintrage sans matrice de profilés allongés selon la revendication 4, caractérisé en ce que les moyens d'appui se présentent sous la forme de lunettes.
  6. Dispositif de cintrage sans matrice de profilés longitudinaux selon la revendication 5, caractérisé en ce que les lunettes peuvent être ouvertes.
  7. Dispositif de cintrage sans matrice de profilés allongés selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'on aménage dans la zone de cintrage et dans la douille axiale (3) un mandrin interne souple (5), dont la position axiale peut être réglée et commandée par un poinçon (6) muni d'un mécanisme d'entraînement (7) à partir de l'extrémité arrière de l'unité d'avancement (2).
  8. Dispositif de cintrage de profilés allongés (1), en particulier de tubes, comprenant une unité d'avancement (2) enserrant le profilé allongé (1) et deux unités de cintrage (B1 B2), de types différents, aménagées l'une à côté de l'autre sur un cadre de guidage (15), qui peuvent être déplacées sur le cadre de guidage (15) transversalement à l'axe du profilé allongé (1) alternativement d'une position de travail devant l'unité d'avancement (2) à une position de repos latérale par rapport à celle-ci, caractérisé en ce que l'une des unités de cintrage (B1) se présente avec l'unité d'avancement (2) pour le cintrage sans matrice selon l'une quelconque des revendications 1 à 7 et l'autre unité de cintrage (B2 se présente avec l'unité d'avancement (2) comme dispositif de cintrage par étirage.
EP06723543A 2005-03-22 2006-03-20 Dispositif de formage libre de profiles allonges, en particulier de tubes, et dispositif combine de formage libre et d'etirage de profiles allonges, en particulier de tubes Not-in-force EP1863604B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005013750A DE102005013750B3 (de) 2005-03-22 2005-03-22 Vorrichtung zum Freiformbiegen von Längsprofilen, insbesondere Rohre, sowie kombinierte Vorrichtung zum Freiformbiegen und Ziehbiegen von Längsprofilen, insbesondere Rohren
PCT/EP2006/002523 WO2006100012A2 (fr) 2005-03-22 2006-03-20 Dispositif de formage libre de profiles allonges, en particulier de tubes, et dispositif combine de formage libre et d'etirage de profiles allonges, en particulier de tubes

Publications (2)

Publication Number Publication Date
EP1863604A2 EP1863604A2 (fr) 2007-12-12
EP1863604B1 true EP1863604B1 (fr) 2009-08-19

Family

ID=36600163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06723543A Not-in-force EP1863604B1 (fr) 2005-03-22 2006-03-20 Dispositif de formage libre de profiles allonges, en particulier de tubes, et dispositif combine de formage libre et d'etirage de profiles allonges, en particulier de tubes

Country Status (9)

Country Link
US (1) US7878037B2 (fr)
EP (1) EP1863604B1 (fr)
JP (1) JP5209464B2 (fr)
KR (1) KR101212754B1 (fr)
CN (1) CN100506419C (fr)
AT (1) ATE439921T1 (fr)
DE (2) DE102005013750B3 (fr)
RU (1) RU2409437C2 (fr)
WO (1) WO2006100012A2 (fr)

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EP2594346A1 (fr) 2011-11-15 2013-05-22 ThyssenKrupp Steel Europe AG Procédé et dispositif de fabrication de profils dotés d'une déformation à position variable et orientée en longueur

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DE102012005973A1 (de) 2012-03-23 2012-11-08 Daimler Ag Biegeverfahren und Biege- sowie Fertigungsanlage für thermoplastische Faserverbundrohre
CN105618518B (zh) * 2016-03-12 2018-01-19 江苏明江阀业有限公司 弯曲变形型材的修复装置
CN106734693B (zh) * 2016-12-05 2018-04-24 西北工业大学 一种用于空间管件弯扭成形装置的送料机构
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CN107931440B (zh) * 2017-11-29 2019-05-17 江苏合信机器人系统有限公司 金属型材三维自由弯曲模具设计方法
CN108637054B (zh) * 2018-05-11 2019-07-09 浙江大学 一种空间变曲率管件弯曲成形装置
WO2020127538A2 (fr) 2018-12-19 2020-06-25 Basf Polyurethanes Gmbh Procédé de fabrication d'un élément façonné
EP3670145A1 (fr) 2018-12-19 2020-06-24 BASF Polyurethanes GmbH Procédé de fabrication d'un élément moulé
CN109759486A (zh) * 2019-03-25 2019-05-17 苏州工业职业技术学院 一种内导柱式自由弯曲装置
CN109967575A (zh) * 2019-04-29 2019-07-05 奥克坦姆系统科技（苏州）有限公司 一种型材加工用工装
CN111085580A (zh) * 2019-11-28 2020-05-01 南京航空航天大学 一种连续自由弯曲精确成形方法
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DE102021119545A1 (de) 2021-07-28 2023-02-02 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Freiformbiegen von Profilen

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2594346A1 (fr) 2011-11-15 2013-05-22 ThyssenKrupp Steel Europe AG Procédé et dispositif de fabrication de profils dotés d'une déformation à position variable et orientée en longueur
WO2013072414A1 (fr) 2011-11-15 2013-05-23 Thyssenkrupp Steel Europe Ag Procédé et dispositif destinés à la fabrication de profilés présentant une protubérance qui s'étend en longueur et dont la position est variable

Also Published As

Publication number Publication date
WO2006100012A2 (fr) 2006-09-28
KR101212754B1 (ko) 2012-12-14
CN100506419C (zh) 2009-07-01
ATE439921T1 (de) 2009-09-15
WO2006100012A3 (fr) 2007-01-11
US20090126441A1 (en) 2009-05-21
DE102005013750B3 (de) 2006-11-30
DE502006004589D1 (de) 2009-10-01
JP2008534282A (ja) 2008-08-28
US7878037B2 (en) 2011-02-01
RU2409437C2 (ru) 2011-01-20
EP1863604A2 (fr) 2007-12-12
CN101146629A (zh) 2008-03-19
RU2007138960A (ru) 2009-04-27
KR20070118113A (ko) 2007-12-13
JP5209464B2 (ja) 2013-06-12

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