Automobile drawing die

Abstract

The invention discloses an automobile drawing die, which comprises a base, a lower mold is arranged on the top of the base, a blank holder is arranged outside the lower mold, an upper mold is arranged above the blank holder, and the lower mold The interior of the fixed plate is provided with a fixed plate, and a telescopic device is provided under the fixed plate, and the top of the telescopic device extends above the fixed plate, and a storage slot is provided above the fixed plate, and a rod Shape movable mold, the interior of described rod-shaped movable mold is provided with heating device, and described heating device is positioned at the top of rod-shaped movable mold, and the top of described rod-shaped movable mold extends to the top of lower mold, and the top of rod-shaped movable mold The length to the top of the lower mold is the same as the distance from the bottom of the rod-shaped movable mold to the top of the fixed plate. The invention eliminates the occurrence of quality defects such as wrinkling of raw materials in the processing process, has a smooth and tidy appearance, improves the structural strength of parts, saves costs, and improves work efficiency.

Description

technical field [0001] The invention relates to the technical field of automobile dies, in particular to an automobile drawing die. Background technique [0002] With the development of science and the progress of society, modern equipment is gradually entering people's lives. Modern equipment not only makes people's life more convenient, but also promotes the progress of human society. [0003] Common large-scale cladding parts, such as some parts in the roof, hood, side panels, rear doors, etc. of the car, such as the top cover, due to their simple geometry and small curvature, the blank is large at the beginning of stretching. The area is attached to the surface of the mold core, which increases the tensile resistance of the blank, resulting in insufficient stretching and insufficient rigidity; and for some other parts, such as the back door, due to the mold core shape of the drawing mold The cavity is large, and the supporting surface of the blank on the blank holder is...

AI Technical Summary

Problems solved by technology

[0003] Common large-scale cladding parts, such as some parts in the roof, hood, side panels, rear doors, etc. of the car, such as the roof, due to their simple geometry and small curvature, the blank is large when the stretching begins. The area is attached to the surface of the mold core, which increases the tensile resistance of the blank, resulting in insufficient stretching, resulting in insufficient rigidity; and for some other parts, such as the back door, due to the mold core shape of the drawing mold The cavity is large, and the supporting surface of the blank on the blank holder is small, so that the middle part of the blank is easy to sag under the action of its own weight, resulting in a large storage of the blank before stretching, resulting in insufficient stretching and insufficient rigidity

During the drawing forming process of blanks, quality defects such as wrinkles often occur due to insufficient rigidity and other reasons. Insufficient rigidity will not only affect the appearance, but also reduce the structural strength of the parts

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