EP1908536A1 - Dispositif pour le cintrage par fluoformage mécanisé de profilés - Google Patents

Dispositif pour le cintrage par fluoformage mécanisé de profilés Download PDF

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Publication number
EP1908536A1
EP1908536A1 EP06121861A EP06121861A EP1908536A1 EP 1908536 A1 EP1908536 A1 EP 1908536A1 EP 06121861 A EP06121861 A EP 06121861A EP 06121861 A EP06121861 A EP 06121861A EP 1908536 A1 EP1908536 A1 EP 1908536A1
Authority
EP
European Patent Office
Prior art keywords
roller
axis
rolling
parts
head
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
EP06121861A
Other languages
German (de)
English (en)
Other versions
EP1908536B1 (fr
Inventor
Marcus Stolz
Andrea Kroschk
Adrian Hofmann
Arno Müller
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.)
Klingelnberg AG
Original Assignee
Klingelnberg 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 Klingelnberg AG filed Critical Klingelnberg AG
Priority to DE502006002139T priority Critical patent/DE502006002139D1/de
Priority to EP06121861A priority patent/EP1908536B1/fr
Priority to AT06121861T priority patent/ATE414577T1/de
Publication of EP1908536A1 publication Critical patent/EP1908536A1/fr
Application granted granted Critical
Publication of EP1908536B1 publication Critical patent/EP1908536B1/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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/10—Bending tubes using mandrels or the like by passing between rollers
    • 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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/08—Bending by altering the thickness of part of the cross-section of the work

Definitions

  • the invention relates to devices used to bend profiles. In particular, it is about the so-called (cold) flow bending.
  • a roll bending machine which is equipped with a mandrel shaft, which is positioned in the interior of a profile to be bent in the bending zone.
  • the bending machine consists of a bearing on the inside of the curved profile center roller, a bending roller applied to the sheet outside and a arranged on the outlet side of the profile bending roller which acts on the sheet outer side, against the supporting action of a on the inlet side to the sheet outer side adjacent supporting role.
  • Another bending machine is from the German patent application DE 102004003681 A1 known. In the said patent application is about a novel process, which is also referred to as cold-flow bending, and a correspondingly designed bending machine.
  • the object is achieved by a device according to claim 1.
  • a device for automated bending of profiles comprises a roller and a multi-part counter-pressure roller, which is arranged spaced from the roller on the opposite side of a profile to be bent.
  • the roller and the counter-pressure roller have roller axes which are parallel to each other.
  • pressure is exerted on the profile to be bent during bending by reducing the relative distance between the multi-part counterpressure roller and the roller and, on the other hand, pressure is exerted in a direction parallel to the roller axes in a controlled manner on the roller parts of the counterpressure roller in order to prevent the deformation of the roller Material flow can be specifically influenced.
  • the principle of the method is based on a rolling mill 20 integrated in a bending machine 10, which rolls the wall thickness of a longitudinal profile 1 according to the desired profile curvature.
  • the corresponding bending machine 10 is shown schematically in FIG.
  • a special rolling process according to the invention is superimposed on the known roll bending. In this special rolling process, the flow of the material is specifically influenced. This is done by a specially designed rolling mill 20.
  • the rolling process according to the invention can also be used for forming profiles without the usual bending rolls of a bending machine.
  • Both open and closed longitudinal profiles 1 are in the region of a bending head, respectively a bending roller 23, by the interaction of this bending roller 23 with a plurality of rollers (counter-roller 13, 14, Support roller 22) formed.
  • the longitudinal profile 1 to be bent may, but need not, undergo two different process levels in the bending according to the invention.
  • the profile 1 is rolled out with a rolling depth calculated for the respective radius. Because of the wall thickness change thus produced in a targeted manner, the longitudinal curvature of the profile 1 (ie, a curvature in the longitudinal direction of the longitudinal profile 1) arises.
  • a mandrel 24 held inside the profile can transfer the force from a rolling roller 11 to a counter-roller 13, 14 (also called center roller) of the rolling mill 20.
  • a counter-roller 13, 14 also called center roller
  • the longitudinal profile 1 can be bent by the position of a bending roller 23 in its exact form.
  • Z-rollers 18, 19 Perpendicular to the counter-roller 13, 14 according to the invention in the area of the rolling mill 20 so-called Z-rollers 18, 19 are arranged, which do not act directly on the profile 1 but through the counter-roller 14 through (ie indirectly).
  • FIG. 1A shows a part 20 of a device 10 for automated bending of longitudinal profiles 1, designated as rolling mill 20.
  • Longitudinal profiles 1, which are formed in such a machine 10 typically have a longitudinal axis.
  • the position of the longitudinal profile 1 is indicated only by a reference arrow.
  • the longitudinal axis of the longitudinal profile 1 is perpendicular to the plane of the drawing, i. it runs parallel to the x-coordinate axis.
  • FIG. 1B shows a greatly simplified cross section of a longitudinal profile 1 (hat profile) to be bent perpendicular to the longitudinal direction.
  • the apparatus 10 has a rolling mill 20 with a rolling head and a multi-part counter-pressure roller 13, 14, 15.
  • a rolling roller 11 serves as a rolling head.
  • the multi-part counter-pressure roller 13, 14, 15 is mounted and arranged with respect to the roller 11 so that there is a small gap therebetween. This gap corresponds approximately to the cross-sectional shape (cross section perpendicular to the longitudinal axis) of the longitudinal profile 1, which is shown in Fig. 1B.
  • the roller 11 are on one side of the longitudinal profile 1 and the counter-pressure roller 13, 14, 15 on the opposite side.
  • the multi-part counter-pressure roller has a first roller axis Z2, which runs essentially perpendicular to the longitudinal axis of the longitudinal profile 1. As mentioned, it is according to the invention in the counter-pressure roller to a multi-part counter-pressure roller.
  • the multi-part counter-pressure roller is also referred to here as a pair of rollers, since it has at least two roller parts 13, 14 which are arranged coaxially.
  • the roller parts 13, 14 may, but need not, sit on a common axle or shaft 21 (see FIG. 6) whose center line is indicated in FIG. 1A as the roller axis Z2.
  • the roller parts 13, 14 are mounted so floating that the relative axial distance between the roller parts 13, 14 is variable.
  • either one of the roller parts can be fixed with respect to the axial position, while the other roller part is displaceable along the roller axis Z2 in the z-direction.
  • both roller parts 13, 14 can be displaceable along the roller axis Z2 in the z direction.
  • the axial distance between the roller parts 13, 14 is occupied by an elastic disc 15.
  • This disc 15 is optional. It can also be used other resilient or elastic elements that allow a floating mounting of the roller parts 13, 14.
  • the main purpose of the elastic disk 15, or the equivalent means is to push apart the two roller parts 13 and 14 so as to better insert or pull in the longitudinal profile 1 to be reshaped into the rolling mill.
  • the disk 15 and the equivalently acting means are therefore also referred to as designating restoring or spacing elements.
  • the Z-rollers 18, 19 are not delivered until the longitudinal profile 1 is in the rolling mill 20
  • the rolling roller 11 peak the rolling head
  • the multi-part counter-pressure roller can be delivered from right and left to the longitudinal profile 1 so as to exert a forming force on the longitudinal profile 1.
  • This feed motion is also referred to as Y W -feed (Y W is the rolling axis parallel to the y-coordinate axis).
  • Y W is the rolling axis parallel to the y-coordinate axis.
  • rolling forces are additionally used in the region of the rolling mill which are laterally, i. perpendicular to the longitudinal direction of the longitudinal profiles, (in the z-direction) attack (called vertical pressure).
  • the rolling roller 11 ie, the rolling head
  • the multi-part counter-pressure roller mainly process the surfaces of the longitudinal profile 1 lying in the xz plane, while the perpendicularly acting rolling forces act on the surfaces lying either in the xy plane or lightly in the xy plane lying obliquely (see example Fig. 1B).
  • the structure of the rolling mill 20 is selected such that in a direction parallel to the first roller axis Z2 controlled pressure is exerted on the roller parts 13, 14, whereby these roller parts 13, 14 in turn laterally applied to the longitudinal profile 1 rolling forces.
  • the controlled pressure is indicated by the double arrows C and D.
  • a first Z-roller 18 with a roller axis Y2 and a second Z-roller 19 with a roller axis Y1 are provided.
  • the axes Y1, Y2 are both substantially perpendicular to the first roller axis Z2.
  • the Z-roller 18 presses in the + z direction against an end region of the roller part 13 and the Z-roller 19 in the -z direction against an end region of the roller part 14.
  • rollers 13, 14, 15 and the roller 11 rotate.
  • Those circumferential surfaces of these rollers which have a radially outwardly facing surface normal roll on the corresponding surfaces of the longitudinal profile lying in the xz plane 1 off.
  • the roller parts 13, 14 it comes to a Sliding or grinding movements with respect to the surfaces of the longitudinal profile 1, which lie either in the xy plane or slightly inclined to the xy plane (see example Fig. 1B).
  • FIG. 2 a variant is shown in which an optional elastic disk 15 is arranged centrally between the roller parts 13, 14.
  • Each of the roller parts 13, 14 is rotationally symmetrical with respect to the first roller axis Z2 executed, since the peripheral surfaces of these roller parts 13, 14 along the longitudinal profile 1 during forming / rolling must roll or slip.
  • Each of the roller parts 13, 14 is divided into sections or discs 13.1 - 13.3 and 14.1- 14.3, which have different circumferential diameters. Preferably, the diameter changes continuously along the roller axis Z2 without forming corners or edges.
  • roller parts 13, 14 can be used which have circumferential jumps or edges.
  • each roller part can be composed of individual disks which are seated on a common shaft 21. But it can also be solid one-piece roller parts are used, which are each made for special profile shapes as a tool.
  • the elastic, floating bearing is necessary in order to transfer the vertically acting rolling forces on the longitudinal profile 1 can.
  • FIG. 3 shows further details of a rolling mill 20 of a bending machine 10 according to the invention.
  • the rolling roller 11 is supported by a frame 12 which is movable in the y-direction (Double arrow A).
  • the roller 11 may also comprise two or more discs 11.1, 11.2 or sections.
  • the multipart counter-roller 13, 14, 15 is supported by a frame 16 which is movable in the y-direction (double arrow B).
  • the vertically arranged Z-rollers 18 and 19 are also supported by respective frames 25 and 26 and can be delivered by displacement movements of these frames 25, 26 in + z and -z direction.
  • FIG. 1 Details of another embodiment are shown in FIG. 1
  • FIG. 5A Details of yet another embodiment are shown in FIG. 5A.
  • the Z rollers are not shown.
  • a rolling head 27 is used here.
  • the rolling head 27 has an arcuate effective region 28 which exerts pressure on one side of the longitudinal profile 1 to be deformed.
  • the rolling head 27, unlike the rolling roller 11, is not designed as a rotationally symmetrical overall body.
  • the longitudinal profile 1 slips or slides along the arcuate effective region 28 of the rolling head 27. In the case of the rolling roller 11, however, it rolls on the longitudinal profile 1.
  • Fig. 5B Details of an embodiment currently preferred over the embodiment shown in Fig. 5A are shown in Fig. 5B.
  • the Z rollers are not shown.
  • a so-called roller head 29 is used here.
  • the roller head 29 in turn has an effective range.
  • one or more rollers 30 are integrated in the roller head 29.
  • the roller head 29 indirectly exerts pressure on the longitudinal profile 1 to be formed via these integrated rollers 30 (the longitudinal profile 1 is shown somewhat enlarged in FIG. 5B in order to make it visible).
  • the roller head 29 is different than the rolling roller 11 is not designed as a rotationally symmetrical overall body.
  • the roller head 29 per se has the function of carrying the integrated rollers 30 and transferring the pressure to these rollers 30.
  • the longitudinal profile 1 slips or slides along the integrated rollers 30 of the roller head 29, which are thereby set in rotation and roll on the longitudinal profile 1.
  • the entire rolling roller 11 rolls on the longitudinal profile 1.
  • the device 10 has the advantage of being fast, reliable and accurate.
  • the device 10 can be easily and quickly adapted to a variety of longitudinal profiles by a suitable CNC control and by retooling the counter-rollers and roller.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Press Drives And Press Lines (AREA)
EP06121861A 2006-10-06 2006-10-06 Dispositif pour le cintrage par fluoformage mécanisé de profilés Not-in-force EP1908536B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE502006002139T DE502006002139D1 (de) 2006-10-06 2006-10-06 Vorrichtung zum maschinellen Fliessformbiegen von Profilen
EP06121861A EP1908536B1 (fr) 2006-10-06 2006-10-06 Dispositif pour le cintrage par fluoformage mécanisé de profilés
AT06121861T ATE414577T1 (de) 2006-10-06 2006-10-06 Vorrichtung zum maschinellen fliessformbiegen von profilen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06121861A EP1908536B1 (fr) 2006-10-06 2006-10-06 Dispositif pour le cintrage par fluoformage mécanisé de profilés

Publications (2)

Publication Number Publication Date
EP1908536A1 true EP1908536A1 (fr) 2008-04-09
EP1908536B1 EP1908536B1 (fr) 2008-11-19

Family

ID=37814079

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06121861A Not-in-force EP1908536B1 (fr) 2006-10-06 2006-10-06 Dispositif pour le cintrage par fluoformage mécanisé de profilés

Country Status (3)

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EP (1) EP1908536B1 (fr)
AT (1) ATE414577T1 (fr)
DE (1) DE502006002139D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009036871A1 (fr) * 2007-09-13 2009-03-26 Patentgemeinschaft Maranatha Procédé et dispositif pour cintrer ou laminer linéairement des profilés dotés de mini-corps de laminage-roulage sans axe
CN103084446A (zh) * 2013-02-26 2013-05-08 昆山市天之衣精工机械设备有限公司 一种弯管机
CN103128145A (zh) * 2013-03-05 2013-06-05 昆山市天之衣精工机械设备有限公司 一种弯管机
EP3320994A1 (fr) * 2016-11-10 2018-05-16 Technische Universität Dortmund Dispositif et procédé de cintrage bi- ou tri-dimensionnel au moyen d'une etape de roulage
DE102022127255A1 (de) 2022-10-18 2024-04-18 Thyssenkrupp Steel Europe Ag Rollenhalter zum Einsatz in einer Drückwalzanlage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008046160B4 (de) * 2008-09-06 2018-02-22 Tillmann Profil Gmbh Rollumformwerkzeug zur Rollumformung von Blechband, sowie Vorrichtung zur Rollumformung von Blechband
CN102581010B (zh) * 2012-02-14 2014-08-27 北京京诚之星科技开发有限公司 二辊水平轧机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688414A (en) * 1984-07-13 1987-08-25 Mugica Marcos O Production procedure of brake shoes
DE102004003681A1 (de) * 2004-01-24 2005-08-11 Klingelnberg Ag Biegevorrichtung mit Pendelwalzrollen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688414A (en) * 1984-07-13 1987-08-25 Mugica Marcos O Production procedure of brake shoes
DE102004003681A1 (de) * 2004-01-24 2005-08-11 Klingelnberg Ag Biegevorrichtung mit Pendelwalzrollen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009036871A1 (fr) * 2007-09-13 2009-03-26 Patentgemeinschaft Maranatha Procédé et dispositif pour cintrer ou laminer linéairement des profilés dotés de mini-corps de laminage-roulage sans axe
CN103084446A (zh) * 2013-02-26 2013-05-08 昆山市天之衣精工机械设备有限公司 一种弯管机
CN103128145A (zh) * 2013-03-05 2013-06-05 昆山市天之衣精工机械设备有限公司 一种弯管机
EP3320994A1 (fr) * 2016-11-10 2018-05-16 Technische Universität Dortmund Dispositif et procédé de cintrage bi- ou tri-dimensionnel au moyen d'une etape de roulage
DE102016013672A1 (de) * 2016-11-10 2018-05-17 Technische Universität Dortmund Vorrichtung und Verfahren zum ebenen oder räumlichen Biegen von Profilen durch einen Walzvorgang
DE102022127255A1 (de) 2022-10-18 2024-04-18 Thyssenkrupp Steel Europe Ag Rollenhalter zum Einsatz in einer Drückwalzanlage

Also Published As

Publication number Publication date
ATE414577T1 (de) 2008-12-15
DE502006002139D1 (de) 2009-01-02
EP1908536B1 (fr) 2008-11-19

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