Crease-resistant sheet metal part stamping die and sheet metal part forming method
A technology for stamping dies and sheet metal parts, applied in forming tools, manufacturing tools, metal processing equipment, etc., can solve problems affecting product aesthetics, unbalanced force, warping and deformation, etc., to suppress the tendency of wrinkling and expand Blank holding force and the effect of shortening the delivery time
Active Publication Date: 2013-01-16
ZHUHAI GREE DAIKIN PRECISION MOLD
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Problems solved by technology
In the process of technological processing of sheet metal materials, due to the influence of factors such as material, technological rationality, unbalanced force, and insufficient pressing force, problems such as wrinkling, cracking, and warping deformation will occur, affecting product aesthetics
Method used
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[0021] The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
[0022] Hereinafter, the present invention will be described in detail by taking the partition board of the outdoor unit of the air conditioner as an example.
[0023] First, combined with CAE analysis technology, simulate the forming process of sheet metal parts, prevent possible defects, analyze the factors affecting the quality of stretched parts during the forming process of the air conditioner outdoor unit partition, and determine the structure of the mold as follows: figure 1 shown. The anti-wrinkle sheet metal stamping die includes an upper mold 10 and a lower mold 20, wherein the upper mold 10 includes an upper supporting plate 11, an upper mold base 12, an upper template 13 and a bending punch 14, and the ...
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The invention discloses a crease-resistant sheet metal part stamping die and a sheet metal part forming method. The crease-resistant sheet metal part stamping die comprises an upper die and a lower die; the upper die comprises an upper support plate, an upper die base and an upper template; the upper template is provided with an upper pressing surface; the lower die comprises a lower support plate, a lower die base and a lower template; the lower template is provided with a lower pressing surface matched with the upper pressing surface; the lower pressing surface is provided with more than two resisting raised ribs arranged in the plastic flow direction of a plate; the upper pressing surface is provided with resisting grooves matched with the resisting raised ribs; and the lower die also comprises a plurality of springs for providing edge pressing force between the upper template and the lower template. The resisting raised ribs and the springs can increase feeding resistance, adjust the material flowing condition, enlarge the edge pressing force and prevent the material from creasing, so that products do not have defects such as creases and are attractive, the product quality is improved, the delivery time is shortened, and the die repair, die change and die trail cost is saved.
Description
technical field [0001] The invention relates to a die for a sheet metal part, in particular to a stamping die for an anti-wrinkle sheet metal part and a forming method for the sheet metal part. Background technique [0002] Sheet metal parts use the fluidity and ductility of materials to perform technological processes such as blanking, stretching, and bending on sheet metal materials to produce products of various shapes. In the process of technological processing of sheet metal materials, due to the influence of factors such as material, process rationality, unbalanced force, and insufficient pressing force, problems such as wrinkling, cracking, and warping deformation will occur, affecting The aesthetics of the product. For example, air-conditioning partition products are prone to wrinkling due to their complex shapes. Contents of the invention [0003] In view of the above-mentioned current state of the art, the first technical problem to be solved by the present inv...
Claims
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IPC IPC(8): B21D37/10
Inventor 李俊程斌李国柱
Owner ZHUHAI GREE DAIKIN PRECISION MOLD