公开(公告)号：US4246772A

公开(公告)日：1981-01-27

申请号：US926018

申请日：1978-07-19

申请人： Evgeny N. Moshnin ,  Nikolai I. Romashko ,  Leonid V. Prozorov ,  Nikolai N. Zorev ,  Oleg V. Scherba ,  Viktor A. Odnodushny ,  Nikolai I. Zhiltsov ,  Lev A. Rabinovich ,  Lev V. Tupitsyn ,  Konstantin P. Alexeev ,  Boris P. Kukushkin ,  Jury V. Brjukhanov ,  Boris A. Trifonov ,  Vyacheslav A. Morozov ,  Gennady V. Rudyak ,  Sergei K. Bakhvalov, deceased ,  Larisa M. Bakhvalova, administrator

发明人： Evgeny N. Moshnin ,  Nikolai I. Romashko ,  Leonid V. Prozorov ,  Nikolai N. Zorev ,  Oleg V. Scherba ,  Viktor A. Odnodushny ,  Nikolai I. Zhiltsov ,  Lev A. Rabinovich ,  Lev V. Tupitsyn ,  Konstantin P. Alexeev ,  Boris P. Kukushkin ,  Jury V. Brjukhanov ,  Boris A. Trifonov ,  Vyacheslav A. Morozov ,  Gennady V. Rudyak ,  Sergei K. Bakhvalov, deceased ,  Larisa M. Bakhvalova, administrator

IPC分类号： B21C37/29 ,  B21D22/00

CPC分类号： B21C37/292 ,  Y10T29/49428

摘要： The method consists in flanging the wall of a thick-walled shell around a hole made in said wall in adavance until a branch pipe is produced, in calibrating said shell on the inside surface adjoining the branch pipe, and simultaneous straightening of the thick-walled shell on its outside surface in the direction of the longitudinal axis of the branch pipe from the side opposite to the location of said branch pipe.The device for the realization of the method according to the invention comprises a flanging die with guide columns secured on it, said columns carrying a cantilevered arbor capable of moving longitudinally and provided with a mechanism for fixing it in the initial position, and pushers fastened on the movable cross-head of a press, and arranged normally to the longitudinal axis of the arbor with which they interact and symmetrically to the longitudinal axis of the flanging punch and there is an additional die located between said pushers, the lower surface of said additional die having a shape corresponding to the shape of the outer surface of the shell while the lower surface of the punch holder has a shape corresponding to the shape of the inside surface of the shell. Besides, the flanging die is provided with projections entering the slots on the faces of the thick-walled shell.

摘要翻译： 该方法包括将围绕所述壁上形成的孔的厚壁壳体的壁围起来，直到产生分支管，校准邻接分支管的内表面上的所述壳体，并且同时矫直厚壁 壳体在其外表面上从与所述分支管的位置相对的一侧在分支管的纵向轴线的方向上。 用于实现根据本发明的方法的装置包括具有固定在其上的引导柱的凸缘模，所述柱承载能够纵向移动的悬臂，并且具有用于将其固定在初始位置的机构，并且将推动器固定在 压力机的可移动十字头，并且正常地布置在心轴的纵向轴线上，它们与凸缘冲头的纵向轴线相互作用并对称，并且在所述推动器之间存在另外的模具，所述附加的下部表面 具有与外壳的外表面形状相对应的形状的模具，而冲头保持器的下表面具有与壳体的内表面形状对应的形状。 此外，凸缘模具设置有进入厚壁壳体的表面上的槽的突起。