Negative angle rapid forming method

Abstract

The invention provides a negative angle rapid forming method. A reverse bending part, a forming pat and a recovery part are sequentially arranged on a mold in the feeding direction; materials are bentreversely through the cooperation of the wedge-shaped first reverse bending part and a material stripping bending part; a negative angle forming cavity and a forming punch are arranged, so that the negative angle of the materials is formed; a negative angle restoration groove is matched with an upper stripping plate, so that the materials can be reversely bent and restored, a required part can beformed, and the part can slide out of a material falling groove; the first reverse bending part, a second reverse bending part, the material stripping bending part and the forming punch are detachable inserts, and can be replaced according to the required angle, so that the cost is saved, and the replacement is convenient; and the material guide plate is arranged to guide the materials and limitthe width of the materials. The negative angle rapid stamping forming method is simple in structure, convenient to operate, and saves the cost.

Description

technical field [0001] The invention relates to a stamping die, in particular to a negative angle rapid prototyping method. Background technique [0002] In this field, the negative angle of the part is the angle that the part is bent inward and the angle is less than 90°, which is called the negative angle. If the traditional negative angle bending mold is designed according to the conventional design, it needs to be equipped with a wedge side shaping mechanism. Such a mold is a complete set The mold needs to increase the step distance to provide enough space for placement. The other is the combination of multiple sets of small-sized molds, and the production efficiency of this combination mold is relatively low, which will increase the mold processing accuracy and mold cost. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a negative angle rapid stamping forming method with simple structure, convenient operation...

AI Technical Summary

Problems solved by technology

[0002] In this field, the negative angle of the part is the angle that the part is bent inward and the angle is less than 90°, which is called the negative angle. If the traditional negative angle bending mold is designed according to the conventional design, it needs to be equipped with a wedge side shaping mechanism. Such a mold is a complete set The mold needs to increase the step distance to provide enough space for placement. The other is the combination of multiple sets of small-sized molds, and the production efficiency of this combination mold is relatively low, which will increase the mold processing accuracy and mold cost.

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