Device and method for operating sheet stretching straightener

A technology for drawing and leveling machine and sheet, which is applied in the field of devices and methods for running sheet drawing and leveling machine, can solve the problems of damage to bending boxes, enlargement of gaps or gaps, etc., and achieves the effect of avoiding damage

Active Publication Date: 2010-06-02
SMS MEER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this regard, an increase in the stretching force results in a widening of the gap or gap due to the concomitant further stretching of the sheet
[0006] If the sheet to be stretched breaks during stretching, the energy released thereby acts on the collets, which then hit the bending box due to gaps or gaps or hit it hard on the bending box and thus have a Possible damage including bent case

Method used

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  • Device and method for operating sheet stretching straightener
  • Device and method for operating sheet stretching straightener
  • Device and method for operating sheet stretching straightener

Examples

Experimental program
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Effect test

Embodiment Construction

[0017] figure 1 The clamping head 1 of the sheet metal stretching straightening machine shown is made up of a plurality of laminations 3, 4 arranged side by side perpendicular to the stretching plane 2, which form a form-fitting connection with the not shown in detail here, generally made of particles. The C-shaped jaw 5 formed of structural steel is surrounded by its entire width. In the C-shaped opening facing the working area of ​​the jaw 5, there are clamping devices required for clamping the stretched object. At the top and bottom of the lamellae 3 , 4 there are shells 6 , 7 (upper shell and lower shell) forming a bending box 9 running transversely to the stretching plane 2 . The two shell parts 6 , 7 are braced against each other by means of tensioning screws 8 , so that the individual lamellae 3 , 4 and the jaws 5 delimited by them are connected to each other in a non-positive manner.

[0018] Wedge-shaped tensioning elements 10 are respectively provided at the upper ...

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PUM

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Abstract

The invention relates to a method for running a plate stretching straightener, the plate stretching straightener is used for stretching and correcting the rolled and pressed stretching objects, metalsheet or plate in particular, wherein a clip head is composed by a plurality of thin sheets which, in working width, are distributed and arranged in parallel vertical to plane of the stretching objects, the thin sheets are provided with a clip hole extending via the entire width of the clip head on their sides facing working area, and are tensioned corresponding to a bending resistance box via a pretension system on their sides back towards the working area; if a pretension member is automatically adjusted in virtue of operation force caused by stretching within a gap formed between the clip head and the bending box, the bending box and the clip formed by the thin sheets will securely tension irrelevant to the operation force. The pretension member can be wedge.

Description

technical field [0001] The present invention relates to a device and a method for operating a sheet metal stretch leveler for stretching and straightening rolled or pressed stretched objects, especially metal sheets or plates, wherein the clips The head consists of a plurality of lamellae distributed across the working width and arranged side by side perpendicular to the plane of the drawn object, said lamellae being provided on their side facing the working area with jaws extending across the entire width of the chuck and between them On the side facing away from the working area, the pretensioning system is tensioned against the bending-resistant cassette. Background technique [0002] In the known collets of sheet metal stretching levelers, the jaws are formed by a lamella arranged perpendicular to the flattened part, which is provided with a C-shaped opening and in which are provided the necessary grips for gripping the metal sheet or plate. clamping device. [0003] I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D25/04
CPCB21D1/00B21D25/04
Inventor W·柯克纳G·哈莱克K·巴什
Owner SMS MEER
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