Bilateral flange type forge piece die
A technology for forgings and flanges, applied in the field of bilateral flange forgings molds, can solve the problems of complex process, high forging accuracy requirements, low material utilization rate, etc., and achieve the effect of simple mold structure, simple process and high efficiency.
Inactive Publication Date: 2015-09-09
KUSN KENSETABU BUHIN
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Problems solved by technology
Normal forging has high requirements on mold and forging precision, complex process, high production cost, and low production efficiency; after forging, the machining allowance is formed, the material utilization rate is low, and the internal streamline of the material is cut off after processing, resulting in The local strength of double-sided flange forgings is reduced, which cannot meet the high-strength requirements
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[0016] A double-sided flange type forging die, see Figure 1 to Figure 5 : it comprises upper mold 1, lower mold 2, middle mold 3, middle mold 3 is specifically annular structure, middle mold 3 is formed by at least two segments of arc-shaped middle modules 4, and the inner ring surface 5 of middle mold 3 The shape is the inner ring surface of the inner concave part of the middle section of the forging to be formed, the shape of the upper end surface 6 of the intermediate die 3 is the upper end surface of the inner concave part of the middle section of the forging to be formed, and the lower end surface of the intermediate mold 3 includes the inner parting surface 7, The shape of the outer positioning end surface 8 and the inner parting surface 7 is the lower end surface of the inner concave part of the middle section of the forging to be formed. 2 The area corresponding to the concave part of the middle section of the forging to be formed is provided with a positioning ring s...
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The invention provides a bilateral flange type forge piece die, which has the advantages that a bilateral flange forge piece of which the middle section of the outer ring face is inwards sunken can be formed in one step, the die is simple in structure and process, so that machine shaping efficiency is high, cost is low, and a machined and shaped product is high in strength. The bilateral flange type forge piece die comprises an upper die, a lower die and a middle die, wherein the middle die is particularly of an annular structure and is formed by splicing at least two arc-shaped middle modules; the shape of an inner ring face of the middle die is an inner ring face of an inwards sunken part of a middle section of a to be shaped forge piece; the shape of the upper end face of the middle die is an upper end face of the inwards sunken part of the middle section of the to be shaped forge piece; the lower end face of the middle die comprises an inner side parting face and an outer side positioning end face; the shape of the inner side parting face is an lower end face of the inwards sunken part of the middle section of the to be shaped forge piece; an outer ring face of the middle die is particularly of an assembly ring face structure inwards contracted from up to bottom, and an area, corresponding to the inwards sunken part of the middle section of the to be shaped forge piece, of the lower die is provided with a positioning ring face inwards contracted from up to bottom.
Description
technical field [0001] The invention relates to the technical field of mold structures, in particular to a double-sided flange type forging mold. Background technique [0002] Due to the concave structure of the middle section of the outer ring surface, double-sided flange forgings cannot be demoulded after being directly formed by the upper die and the lower die. The existing technology adopts normal forging or processing excess allowance after forging. Normal forging has high requirements on mold and forging precision, complex process, high production cost, and low production efficiency; after forging, the machining allowance is formed, the material utilization rate is low, and the internal streamline of the material is cut off after processing, resulting in The local strength of double-sided flange forgings is reduced, which cannot meet the high-strength requirements. Contents of the invention [0003] In view of the above-mentioned problems, the present invention prov...
Claims
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IPC IPC(8): B21J13/02
Inventor 燕伟周雪龙葛建东
Owner KUSN KENSETABU BUHIN