The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 13, 2024

Filed:

Mar. 03, 2022
Applicant:

Dalian University of Technology, Dalian, CN;

Inventors:

Zhubin He, Dalian, CN;

Haihui Zhu, Dalian, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 26/00 (2006.01); B30B 1/00 (2006.01); B21D 22/02 (2006.01); B21D 37/12 (2006.01);
U.S. Cl.
CPC ...
B30B 1/001 (2013.01); B21D 22/02 (2013.01); B21D 37/12 (2013.01);
Abstract

An impact forming device and method for local small features on a metal thin-walled curved-surface part. The impact forming device includes impact forming dies, impact loading units and a forming supporting die, wherein the impact forming die is provided with an impact forming part, and the impact forming part is a convex part corresponding to a local small feature; the forming supporting die can support and fix a metal thin-walled curved-surface part without forming local small features, and the forming supporting die is provided with concave parts matched with the impact forming parts; and the impact loading unit includes a guide rail, an explosive ball and a detonating block, under the impact loading of the impact loading units, the impact forming parts can impact the metal thin-walled curved-surface part without forming local small features under the matching action of the concave parts to form the local small features.


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