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    • 3. 发明申请
    • BIEGEVORRICHTUNG FÜR DÜNNWANDIGE ROHRE AUS METALL, INSBESONDERE STAHL
    • BENDER薄壁圆管金属,特别是钢材
    • WO2004108319A1
    • 2004-12-16
    • PCT/EP2004/003503
    • 2004-04-02
    • THYSSENKRUPP STAHL AGFLEHMIG, ThomasKIBBEN, MartinRITUPER, Wladimir
    • FLEHMIG, ThomasKIBBEN, MartinRITUPER, Wladimir
    • B21D7/024
    • B21D7/024B21D11/06
    • Die Erfindung betrifft eine Biegevorrichtung für dünnwandige Rohre (1) aus Metall, insbesondere Stahl, mit über ihre Länge beliebigem Querschnitt, insbesondere für konische Rohre. Die Biegevorrichtung weist eine gerade Rohrführung (5) und eine sich daran anschließende und relativ zu der Rohrführung (5) verschwenkbare Biegerolle (2) auf, auf der das Rohr (1) mit einem Klemmelement (6) fixierbar ist. Auf einem gegenüber der Biegerolle (2) stationären Führungsbett (3) ist die Rohrführung (5) verschiebbar gelagert. Sie besteht aus einer um die Biegerolle (2) biegsamen inneren Schalenhälfte (5a) und einer äußeren Schalenhälfte (5b), wobei die beiden Schalenhälften (5a, 5b) der Außenkontur des zu biegenden Rohres (1) angepaßt sind. Wegen der mitwandernden Rohrführung (5), deren Innenkontur der Außenkontur des Rohres (1) angepaßt ist, lassen sich auf ein und derselben Biegevorrichtung unter Verwendung verschiedenformatiger Rohrführungen (5) Rohre mit unterschiedlichem Profil biegen.
    • 本发明涉及一种用于金属,特别是钢的薄壁管(1)的弯曲装置中,沿着其长度任意截面具有,尤其是用于锥形管。 弯曲装置具有直导向管(5)和一个相邻的和相对于所述导向管(5)枢转弯曲辊(6)(2)在其上管(1)可固定有夹紧元件。 上的相对于所述弯曲辊(2)固定的导向床(3),管引导件(5)可移动地安装。 它包括一个绕弯曲辊(2)的柔性内半壳(5a)和一个外半壳(5b)中,其中,所述两个半壳(5A,5B)被适配到管的外轮廓被弯曲(1)。 因为mitwandernden管引导件(5)的,适合于将管(1)的外轮廓的内轮廓,可以在一个,并使用不同尺寸的管导向件相同的弯曲装置(5)的管具有不同的简档转动。
    • 5. 发明公开
    • BIEGEVORRICHTUNG FÜR DÜNNWANDIGE METALLROHRE
    • BENDER薄壁金属管
    • EP1276573A1
    • 2003-01-22
    • EP01929341.4
    • 2001-02-10
    • ThyssenKrupp Stahl AG
    • FLEHMIG, ThomasKNEIPHOFF, UweNEUHAUSMANN, ThomasKIBBEN, Martin
    • B21D9/01B21D9/07
    • B21D9/01B21D9/073
    • The invention relates to a bending device for thin-walled metal pipes (R), comprising a straight pipe guiding device (1), and a contiguous core template (2) that can be swiveled with respect to the pipe guiding device (1) and that comprises a clamp bar (3). The bending device is further provided with a mandrel with a mandrel tip (4) that is flexible in the zone of the core template (2), and a mandrel shank (5) contiguous to and firmly linked with said mandrel tip (4), said mandrel shank being axially fixed in the pipe guiding device (1). The aim of the invention is to provide a bending device that allows to completely support the inside of the metal pipe (R) to be bent in the respective area of bending during the bending process. To this end, the flexible mandrel tip (4) that consists of a radially incompressible solid elastomer cylinder extends only across the initial section of the bending arc where the process of bending takes place. In order to pull the metal pipe (R) to be bent over said mandrel tip (4), it is clamped over a short length by means of a spherical grip holder (7) that can be inserted in the metal pipe (R) in the zone of the core template (2). Said grip holder (7) is free to move in the swivel zone of the core template (2) with respect to the mandrel tip (4) and is connected to a tensioning device (6) that is configured as a return element.
    • 6. 发明公开
    • VORRICHTUNG ZUM 3D-FREIFORMBIEGEN VON PROFILEN
    • EP1554066A2
    • 2005-07-20
    • EP03788942.5
    • 2003-10-08
    • ThyssenKrupp Stahl AG
    • FLEHMIG, ThomasKIBBEN, Martin
    • B21D7/04B21D7/028
    • B21D9/073
    • The invention relates to a device for free three-dimensional profile forming, said profile having any overall dimensions but remaining constant with respect to the length thereon, especially for hollow profile. The inventive three-dimensional forming consists in bending the profile (7) along the longitudinal axis (L) thereof and displacing said profile in the direction of feed motion (V) parallel to the axis (L) with the aid of a feeding device (3) provided with a rotary drive, passing the profile through the passageway (1c) of a guiding element (1) adjacent to the profile surface and through a bending tool (5) arranged in a supporting element (4) after the guiding element (1) in the direction of feed motion (V). The bending tool (5) rotates around an axis which is perpendicular with respect to the longitudinal axis (L) of the profile (7) in such a way that it produces a bending force thereon. Said invention is characterised in that when the profile (7) rotates around the longitudinal axis (L) thereof during the displacement to the feeding device (3), the guiding element (1) and the bending tool (5) rotate together with said profile in such a way that it makes it possible to carry out the three-dimensional bending of the profile (7) even if it has a non-circular cross section.
    • 本发明涉及一种用于自由三维轮廓成形的装置,所述轮廓具有任何总体尺寸但相对于其上的长度保持恒定,特别是对于空心型材。 本发明的三维成形包括沿着其纵向轴线(L)弯曲型材(7),并借助于供给装置(图1)沿平行于轴线(L)的进给运动方向(V) (1)的通道(1c)上并通过布置在支撑元件(4)中的弯曲工具(5)在导向元件(1)之后穿过轮廓表面 1)沿进给运动方向(V)。 弯曲工具(5)围绕垂直于型材(7)的纵向轴线(L)的轴线旋转,使得其在其上产生弯曲力。 所述发明的特征在于,当所述型材(7)在朝向所述进给装置(3)的位移期间围绕其纵向轴线(L)旋转时,所述引导元件(1)和所述弯曲工具(5)与所述型材 使得即使它具有非圆形横截面,也可以实现型材(7)的三维弯曲。
    • 7. 发明授权
    • BIEGEVORRICHTUNG FÜR DÜNNWANDIGE METALLROHRE
    • BENDER薄壁金属管
    • EP1276573B1
    • 2004-01-14
    • EP01929341.4
    • 2001-02-10
    • ThyssenKrupp Stahl AG
    • FLEHMIG, ThomasKNEIPHOFF, UweNEUHAUSMANN, ThomasKIBBEN, Martin
    • B21D9/01B21D9/07
    • B21D9/01B21D9/073
    • The invention relates to a bending device for thin-walled metal pipes (R), comprising a straight pipe guiding device (1), and a contiguous core template (2) that can be swiveled with respect to the pipe guiding device (1) and that comprises a clamp bar (3). The bending device is further provided with a mandrel with a mandrel tip (4) that is flexible in the zone of the core template (2), and a mandrel shank (5) contiguous to and firmly linked with said mandrel tip (4), said mandrel shank being axially fixed in the pipe guiding device (1). The aim of the invention is to provide a bending device that allows to completely support the inside of the metal pipe (R) to be bent in the respective area of bending during the bending process. To this end, the flexible mandrel tip (4) that consists of a radially incompressible solid elastomer cylinder extends only across the initial section of the bending arc where the process of bending takes place. In order to pull the metal pipe (R) to be bent over said mandrel tip (4), it is clamped over a short length by means of a spherical grip holder (7) that can be inserted in the metal pipe (R) in the zone of the core template (2). Said grip holder (7) is free to move in the swivel zone of the core template (2) with respect to the mandrel tip (4) and is connected to a tensioning device (6) that is configured as a return element.