Multi-part local loading rubber forming method and device

Abstract

The invention discloses a multi-part local loading rubber forming method and device. Rubber is adopted as an elastic die / terrace die, a rigid terrace die / die jointly extruding plates with the rubber is arranged, a plurality of sliding blocks are arranged in a rubber containing frame, positions of the sliding blocks correspond to deformation parts of the plates, and the sliding blocks enable the deformation parts of the plates to be fully deformed by extruding a local part of the rubber. The multi-part local loading rubber forming method and device which are disclosed by the invention have theadvantages that overall and the local part are divided and converted in a forming process of the plates, and unequal loading intensities are applied to different parts, so that resource waste of a large-tonnage hydraulic machine during rubber forming is avoided, and manufacturing cost is saved.

Description

technical field [0001] The invention relates to the technical field of rubber forming, in particular to a multi-position local loading rubber forming method and device. Background technique [0002] Rubber forming is a common forming method for the manufacture of aircraft sheet metal parts. It refers to using a rubber pad or a rubber bag as an elastic punch (or die). To the rigid die (convex die), or to fill the metal sheet into the mold cavity to realize the flexible manufacturing method of sheet metal forming. In the forming work, the rubber is not only a force transmission medium, but also a half-mold. [0003] The traditional rubber forming method uses a container frame to wrap the rubber pad or a rubber bag to move down to extrude the sheet as a whole. The pressure applied to each part of the sheet is the same, and the loading pressure often depends on the maximum load required by a certain part of the part. However, in the forming process of parts such as some sheet ...

AI Technical Summary

Problems solved by technology

The traditional rubber forming method applies a large load to the part of the sheet that does not need a large load, which not only causes a waste of energy and increases the cost, but may even cause the sheet to be too thin and wrinkled, which seriously affects the forming quality

For processing factories, for small parts that only need to apply a large load on a specific part, according to the traditional rubber forming method, it is often necessary to purchase a large-tonnage hydraulic press, which not only increases the processing cost, but also causes great damage to the processing. inconvenient

[0004] These technical problems have seriously affected the forming process of sheet metal, and even had a negative impact on the development of the entire industrial chain, making people focus on hydraulic presses with larger tonnages

A large part of the reason is that the current forming method of sheet metal rubber forming is too single and rigid, and those skilled in the art habitually adopt the concept of determining the overall demand with local data, so that the above situation occurs

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