Press

A technology of a press and a workbench, applied in the field of presses

Active Publication Date: 2011-07-20
SIEMPELKAMP MASCH & ANLAGENBAU GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is also room for improvement in related known devices such as stability

Method used

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Embodiment Construction

[0025] The figures show a hydraulic press brake or forming press for bending the edges of sheet material. This press is an integral part of the plant for the production of longitudinal seam welded pipes. The press according to the invention is used for bending the longitudinal edges of sheet metal 1 . Typically, the pre-bent sheets are subsequently formed in a U-shaped press and an O-shaped press, and finally welded into pipes. This further processing of the pre-bent sheet metal is not described in detail here.

[0026] The press according to the invention has a press body 3 formed from a plurality of press frames 2 . In addition, the press also has an upper press table 4 and a lower press table 5, wherein a plurality of forming cylinder-piston devices 6 supported on the press frame 2 are mounted on the upper press table 4 or the lower press table. Work on the press table 5. figure 1 with figure 2The shown press according to the invention is implemented as an upper pisto...

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Abstract

The invention relates to a pressing machine for press-bending edges of plate materials, the longitudinal edges of the plate materials (1) in particularly, at least comprising: a machine body of the pressing machine (3) composed by one or a plurality of closed pressing machine frameworks (2); an upper portion pressing machine worktable (4) and a lower portion pressing machine worktable (5), wherein one or a plurality of cylinder piston devices (6), which are supported on the closed pressing machine frameworks (2), are in operation on the upper portion pressing machine worktable (4) and / or the lower portion pressing machine worktable (5); one or a plurality of upper portion tool brackets (7a, 7b) for one or a plurality of upper portion tool brackets (17), one or a plurality of lower portiontool brackets (8a, 8b) for one or a plurality of upper portion tool brackets (17), wherein the positions of the upper portion tool brackets / lower portion tool brackets can be regulated longitudinally(L) horizontal to the pressing machine, and the positions can be locked if necessary.

Description

technical field [0001] The invention relates to a press (hydraulic press) for bending sheet edges, in particular longitudinal edges of sheet metal or the like, during the production of hollow profiles of pipes or the like. Background technique [0002] Pipes are in particular longitudinally seamed or longitudinally welded pipes which are formed from (metal) sheet metal in several steps and then welded along the longitudinal seam to form a pipe. When producing such pipes from flat sheet metal, the (both) longitudinal edge regions of the sheet metal usually have to be bent or prebent in a first forming step. Here, the bending radius is, for example, approximately equal to the diameter of the pipe to be produced. Presses within the scope of the present invention are primarily hydraulic presses for bending sheet metal in this (first) forming step. This pretreated sheet is then bent into a U-shape in a second step by a so-called U-press. The third forming step is to make the U...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B30B15/04B30B1/32B21D5/04
CPCB21D5/015B21D5/01B30B15/04
Inventor 克劳斯・舒尔曼洛塔・塞巴斯蒂安克劳斯・沃尔尼
Owner SIEMPELKAMP MASCH & ANLAGENBAU GMBH & CO KG
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