Assembled wedge forming mold for acute-angle U-shaped stamping part

Abstract

The invention discloses an assembled wedge forming mold for an acute-angle U-shaped stamping part, belongs to the technical field of cold stamping mold forming, and can stamp an acute-angle U-shaped part and solve the problem of forming springback of the U-shaped part. A male mold and a male mold guide base move relatively; the male mold moves downwards; a plate is bent into a U shape larger than90 degrees firstly; the male mold continues moving downwards; and a wedge pushes a sliding female mold to move horizontally using a wedge surface to implement forming of an acute angle. The wedge moves upwards; the male mold moves and lags behind under the effect of elastic force of a rubber; and after the sliding female mold is brought back by a spring and the inclined part thereof is receded, alimiting block drives the male mold to return to complete one-time forming. By replacing male and female mold inserts at different angles, multi-angle acute angle forming can be achieved, the manufacturing period of the molds is shortened, and the manufacturing cost of the molds is reduced.

Description

technical field [0001] The invention relates to an oblique wedge forming die which can be assembled for acute-angle U-shaped stamping parts, and belongs to the technical field of cold stamping die forming. Background technique [0002] Stamping parts are more and more used in the design and manufacture of artillery due to their high strength, rigidity and good structural performance after plastic bending, and U-shaped parts with various angles play a role in various parts of the artillery. Different functions such as covering, supporting, and reinforcing ribs have gradually become the key links in artillery manufacturing. [0003] With the upgrading of artillery models, the sharp-angle U-shaped stamping parts also bring changes in size and angle. New parts need to design new molds. The new molds of the same series do have many similarities, but the one-piece mold is difficult to improve. In the processing of new parts, the increase in the number of molds results in an incre...

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Problems solved by technology

[0003] With the upgrading of artillery models, the sharp-angled U-shaped stamping parts also bring changes in size and angle. New parts need to design new molds. The new molds of the same series do have many similarities, but the one-piece mold is difficult to improve. Putting into the processing of new parts, the increase in the number of molds leads to an increase in manufacturing costs, and increases the difficulty in mold management and maintenance

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