A stamping die for arc-shaped multi-cavity shell parts

Abstract

The invention discloses an arc-shaped multi-cavity shell part stamping die. The stamping die comprises an upper die and a lower die. The upper die and the lower die are detachably located in an upper die base and a lower die base correspondingly. The upper die and the lower die are connected through heavy-duty springs. The four corners of the upper die base and the four corners of the lower die base are provided with guide posts. The parts, between the junction surfaces of the upper die and the lower die, of the guide posts are sleeved with cylindrical springs and supporting seat tubes from interior to exterior. The cylindrical springs extend out of the upper end faces of the supporting seat tubes in a natural state. The bottom of the lower die base is located at the opening end of a stamping supporting platform. Hydraulic rods are arranged in the stamping supporting platform. Kidney-shaped ejector rods and cylindrical ejector rods are fixedly connected to the output shaft ends of the hydraulic rods. The kidney-shaped ejector rods and the cylindrical ejector rods can be driven by the hydraulic rods to penetrate through kidney-shaped through holes and circular through holes. By adopting the arc-shaped multi-cavity shell part stamping die, one-time stamping forming of parts can be realized, the forming precision and strength of the parts are high, and the pore defect is avoided.

Description

technical field [0001] The invention belongs to the technical field of stamping, in particular to a die for stamping an arc-shaped shell part. Background technique [0002] A curved multi-chamber shell part, such as figure 1 As shown, the front and rear sides are planar structures, and between the two planes is an upwardly protruding arc-shaped structural feature 505. In the middle of the arc-shaped structural feature 505, there is a further upwardly protruding arch bridge-shaped structural feature 101. , on both sides of the arch-bridge-shaped feature 101, there are three grooves 303 adjacent to each other, and four protrusions 707 forming concave cavities at the four corners. At present, this kind of parts is mainly produced in the form of casting, but due to the complex curved surface and various concave cavity structures, it is difficult to fill every corner during casting, and it is easy to form air holes, and because it is a shell part, the cast part is easy. Perfora...

AI Technical Summary

Problems solved by technology

At present, this kind of parts is mainly produced in the form of casting, but due to the complex curved surface and various concave cavity structures, it is difficult to fill every corner during casting, and it is easy to form air holes, and because it is a shell part, the cast part is easy. Perforation occurs and the strength is low

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