Sheet metal part cold stamping method

Abstract

The invention relates to a sheet metal part cold stamping method. The method comprises the following steps of 1, uncoiling a sheet; 2, cutting the sheet; 3, cutting off the sheet; 4, polishing the sheet; and 5, folding right angles, wherein an edge folding device used in the step 5 comprises an edge folding support; a fixing support is arranged at the left end of the edge folding support; a lifting air cylinder is arranged on the inner wall of the fixing support; and the lower end of the lifting air cylinder is arranged on a right-angled edge folding frame. According to the method, the following problems when an existing metal sheet is subjected to cold stamping bending operation can be solved: a, an error exists at a corner position angle of the bent sheet, the bending precision is poor, and the bent metal sheet needs secondary processing; and b, when the metal sheet is in angle bending, the metal sheet is prone to deformation under the action of external force, and the sheet needs to be repaired by stretching. By means of the method, the function of accurate and efficient operation of the cold stamping bending operation of the metal sheet can be achieved.

Description

technical field [0001] The invention relates to the technical field of sheet metal stamping, in particular to a cold stamping method for sheet metal parts. Background technique [0002] Sheet metal parts are usually formed by cold stamping. Cold stamping is a processing method that uses a die to apply pressure to the material on a press at room temperature to separate or deform it, thereby obtaining a certain shape, size and performance. , especially for the processing of metal sheets of right-angle materials, a series of operations need to be performed on the sheets. From the uncoiling of the rolled metal sheets to the completion of the right-angle bending process, it is necessary to ensure the accuracy of the processing operations, especially the bending at homework. [0003] However, the following problems exist in the cold stamping and bending operation of the existing metal sheet, a. There are errors in the corner position and angle of the bent sheet, and the bending a...

AI Technical Summary

Problems solved by technology

[0003] However, the following problems exist in the cold stamping and bending operation of the existing metal sheet, a. There are errors in the corner position and angle of the bent sheet, and the bending accuracy is poor. Secondary processing of the bent sheet metal is required; b. When performing angle bending, the metal sheet is easily deformed under the action of external force, and the sheet needs to be stretched and repaired

[0004] Regarding some problems existing in the right-angle bending operation of metal sheets, related industries have made research and proposed specific technical solutions, such as the Chinese utility model patent No. 2012200971740, a metal sheet bending processing device, metal The part of the plate to be bent reaches the lower platen and is aligned. At this time, the upper platen falls, and then the swing plate swings upward to fold up the front end of the metal plate. The question does not involve

Images