A forming device and method for small-height convex parts

Abstract

The invention discloses a forming device and method suitable for a small-height flanged part. The forming device comprises a first model base, a second model base and a core, wherein the shape of the first model base is matched with the shape of the main body of the formed part; one side surface of the first model base is an arc model surface I, and the curvature of the arc model surface I is matched with that of each arc bending edge of the part; the second model base is provided with a second model base cover and a second model base body; the shape of the second model base cover is matched with the shape of the main body of the part; one side surface of the second model base cover is an arc model surface II, and the curvature of the arc model surface II is matched with that of each arc bending edge of the part; a plurality of through holes I are formed in the second model base cover and matched with flange holes of the part; the second model base body is provided with a plurality of through holes II corresponding to the through holes I; and the outer diameter of the core is matched with the aperture of the flange holes of the part. The forming device has the advantages of being compact in structure, simple, novel and the like, and can meet the extreme and special requirements in production of plane metal sheets. The method is simple, feasible and convenient to operate.

Description

technical field [0001] The invention belongs to the field of forming and processing of aircraft parts, and in particular relates to a forming device and method for small-height convex parts. Background technique [0002] At present, in the design process of aircraft parts, parts with convex edges are gradually increasing, such as convex edges with shorter heights, convex edges with complex shapes, non-standard convex edge holes, etc., and they are densely distributed, which has become a part of today's aircraft. Trends in parts. Such as figure 1 As shown, this part is a partition part, which is used for the connection between aircraft frames and plays the role of partition between different parts of the aircraft. Convex, straight curved-short convex; if there is a problem with one of the convex or convex holes of the part, the operator generally uses the method of manual trimming, but for sheet metal parts with complex structures and small parts , the operating space for ...

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Problems solved by technology

like figure 1 As shown, this part is a partition part, which is used for the connection between aircraft frames and plays the role of partition between different parts of the aircraft. Convex, straight curved-short convex; if there is a problem with one of the convex or convex holes of the part, the operator generally uses the method of manual trimming, but for sheet metal parts with complex structures and small parts , the operating space for workers is very precious, and the mechanism with complex structure takes up a lot of space, coupled with the space occupied by various positioners and product parts, the manual trimming space of parts may not be regular, and the trimming process may not be orderly , manual trimming has the disadvantage of time-consuming and laborious replacement, so designing a device with a convex core that can form the entire complex part becomes a good breakthrough to solve this kind of problem

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