Rubber forming method and die for sheet metal frame parts with different-direction flanges

A technology for forming molds and sheet metal, used in forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems of high cost, low unloading efficiency, and many molds, etc., to achieve low cost, high unloading efficiency, and number of molds. less effect

Active Publication Date: 2020-06-05
XIAN AIRCRAFT IND GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies in the prior art and solve the defects of low rubber forming, positioning and unloading efficiency, many molds, and high cost of parts of sheet metal frame parts with different direction bending, the purpose of this application is to provide a kind of sheet metal with different direction bending The rubber forming method of frame parts and the forming mold can not only realize rapid positioning and loading of molds, but also realize the simultaneous formation of different and different bending edges of two mutually symmetrical sheet metal frame parts on a set of molds

Method used

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  • Rubber forming method and die for sheet metal frame parts with different-direction flanges
  • Rubber forming method and die for sheet metal frame parts with different-direction flanges
  • Rubber forming method and die for sheet metal frame parts with different-direction flanges

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Embodiment Construction

[0018] Referring to the accompanying drawings, the part model and process model of the sheet metal frame with different bending edges are firstly introduced.

[0019] Such as figure 1 As shown, the part model 1 of the sheet metal frame part with different curvatures includes an arc-shaped web 2 of equal curvature, a first flange 3, and a second flange 4, and the first flange 3 is located on the inner side of the arc-shaped web 2 For downward bending, the second flange 4 is located on the outer side of the arc-shaped web 2 and is bent upward. In order to solve the difficult positioning problem of the length change of sheet metal quenching, the process model 5 is designed according to the part model 1; the process model 5 is provided with a positioning hole 6 in the middle of the arc-shaped web 2, and protrusions are provided at both ends of the arc-shaped web The positioning lugs, the positioning holes on the positioning lugs are oblong. In actual operation, the relative disp...

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Abstract

The invention discloses a rubber forming method and die for sheet metal frame parts with different-direction flanges. A model of the sheet metal frame parts comprises an equal-curvature arc-shaped webplate, the first flange and the second flange, wherein the first flange and the second flange are symmetrical; and the forming die comprises a carcass and a cover plate matched with the carcass, thecarcass comprises two forming stations, the first forming station matched with the first flange is arranged on the inner side of the carcass, the second forming station matched with the second flangeis arranged on the outer side of the carcass, an arc-shaped avoiding groove is formed in the inner surface of the cover plate, an expanded sheet of the first sheet metal frame part is placed on the first forming station of the carcass for positioning, an expanded sheet of the second sheet metal frame part is placed on the second forming station of the carcass for positioning, first rubber formingis performed, then the first sheet metal frame part is turned over and placed on the second forming station of the carcass, the second sheet metal frame part is turned over and placed on the first forming station of the carcass, and second rubber forming is performed.

Description

technical field [0001] The present application relates to the technical field of sheet metal rubber forming, and further relates to a rubber forming method for aircraft sheet metal frame parts, specifically a method for rubber forming sheet metal frame parts with equal curvature and different directions of bending. Background technique [0002] The rubber forming process is a flexible forming method that replaces the rigid half-mold with rubber. Its principle is to use high-pressure rubber to force the sheet to deform and stick to the mold in the suspended part of the mold. Shortening the forming time after material quenching is very important to improve the accuracy and surface quality of rubber forming molds, especially for sheet metal frame parts that need to be replaced with molds and formed step by step, and it is usually difficult to meet the batch rapid prototyping requirements of the new quenched state of the material. . With the mass application of higher-strength ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D26/00B21D37/10
CPCB21D26/00B21D37/10
Inventor 倪兴屹李善良邱超斌乔锋敏于波
Owner XIAN AIRCRAFT IND GROUP
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