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Correction method and device of flatness of metal plate

A correction method and a correction device technology, which are applied in the field of mechanical processing technology, can solve problems such as the inability to effectively solve the bending of metal plate parts again, and achieve the effect of ensuring the effect of correcting shape dimension

Inactive Publication Date: 2015-02-04
ZHEJIANG HEDO TECH
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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the metal plate leveling method and device in the prior art cannot effectively solve the problem that the metal plate will be bent again due to elastic rebound when leveling the metal plate. Method and device for correcting flatness of sheet metal parts bent again due to elastic rebound

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  • Correction method and device of flatness of metal plate
  • Correction method and device of flatness of metal plate

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Embodiment Construction

[0031] Below by embodiment, technical solution of the present invention is described further in conjunction with accompanying drawing:

[0032] A method for correcting the flatness of a metal plate, suitable for correcting the flatness of a bent metal plate, comprising the following steps:

[0033]a. Suspend the lower end of the metal plate, select several fixed points along the outer edge of the metal plate to fix it on the reference platform 1, all fixed points have the same fixed height.

[0034] b. Measure the height of each point on the sheet metal with a measuring tool, record the height value of the detection point, compare it with the height of the fixed point, mark the depression point and calculate the depression depth.

[0035] c. Place the jack under the depression of the metal plate, first use the jack to lift the depression to the same height as the fixed point, then continue to raise the jack, and continue to lift the depression up for a certain distance.

[00...

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Abstract

The invention discloses a correction method and a correction device of flatness of a metal plate, which overcome the deficiency that the metal plate bends again due to elastic resilience when the metal plate is leveled by the metal plate leveling method and device in the prior art. The correction device of flatness of the metal plate comprises a reference platform which is provided with a plurality of fixed screws and a plate mandril. Compression blocks with stripe holes are arranged on the fixed screws. Compression nuts in threaded connection with the fixed screws are arranged above the compression blocks. The correction method of flatness of the metal plate and the device provided by the invention are suitable for occasions of previous metal plate leveling device, and have the advantages that the problem that the leveled metal plate bends again due to elastic resilience is solved and the holes in the metal plate are protected, and the like.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing technology, and in particular relates to a method and a device for correcting the flatness of a metal plate. Background technique [0002] In the machinery industry, due to the characteristics of the material itself and the influence of various external factors, sheet metal parts are prone to bending, causing the flatness of the surface to fail to meet the standard requirements. Therefore, it is often necessary to correct the flatness of sheet metal parts. The traditional method for the flatness correction of the metal plate basically adopts the method of flattening or flattening the depressions and protrusions on the plate, such as using a leveling machine to flatten the metal plate or using other devices to level the metal plate The method of concave and convex on the parts is used to realize the correction. However, the metal itself has a certain degree of elasticity. The depress...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D1/06
Inventor 蒋建礼李小存
Owner ZHEJIANG HEDO TECH
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