Synchronous extrusion forming mold for H-shaped steel connectors different in wall thickness

Abstract

The invention discloses a synchronous extrusion molding mold for H-shaped steel connectors different in wall thickness. The mold comprises an upper mold assembly, a lower mold assembly and a guiding and jacking assembly; the upper mold assembly comprises an upper template, an embedding member, an upper mold base, a convex die, an upper mold sleeve plate, a threaded coil and a return ring; the lower mold assembly includes a lower template, a lower template pad, a lower mold support plate, a bottom core, a pressing sleeve, a shrink sleeve and a concave die; an inner flange is formed in the concave die, the concave die sleeves the upper portion of the bottom core, and the bottom core and the convex die form a transition fillet and inclination; the guiding and jacking assembly comprises a guiding column, a guiding sleeve, a jacking rod, a bottom plate, pull rods, sleeves and connecting rods. The mold adopts a warm extrusion synchronous forming method for achieving precision plastic formingof the H-shaped connectors different in wall thickness in order to effectively solve problems caused by existing conventional machining and manufacturing methods, so that the formability of alloys isimproved, the comprehensive mechanical performance of the formed connectors is improved, the utilization rate of materials is greatly increased, the production efficiency is greatly improved, energyis saved, and emissions are reduced.

Description

technical field [0001] The invention belongs to the technical field of plastic processing and forming of metal materials, and in particular relates to a synchronous extrusion forming mold for "H"-shaped connecting pieces made of steel with different wall thicknesses. Background technique [0002] With the rapid development of my country's aerospace technology, high-tech weaponry and marine development, "H"-shaped connectors with different wall thicknesses (referring to the upper and lower parts of the workpiece are hollow inside, there is a partition wall in the middle, and the upper and lower walls have different wall thicknesses) in military and civilian applications. Applications in various fields are becoming more and more extensive. For example, it is used in the missile warheads of weapons and equipment, the connections of aircraft, automobiles and other parts, and the connections of various pipes with different diameters, which can be seen everywhere in daily life. Th...

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Problems solved by technology

[0004] Aiming at the status quo of the existing processing technology, the present invention proposes a synchronous extrusion forming die for steel "H"-shaped connectors with different wall thicknesses, and adopts the warm extrusion synchronous forming method to realize the precise plasticity of "H"-shaped connectors with different wall thicknesses. Forming, the purpose is to effectively overcome the problems caused by the existing traditional processing and manufacturing methods, improve the formability of alloys, improve the comprehensive mechanical properties of formed parts, greatly improve material utilization and production efficiency, save energy and reduce emissions

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