Mould used for forging mounting base forge piece

Abstract

The invention provides a mould used for forging a mounting base forge piece. The mould comprises an upper mould body, a lower mould body and a mould cavity. The mounting base forge piece comprises a mounting base body and a tilted support plate, wherein the mounting base body is cuboid, and the included angle between the mounting base body and the tilted support plate is a. The mould cavity and the mounting base forge piece are matched in shape. The mould cavity includes a right-angle bottom cavity and a groove-type cavity, wherein the right-angle bottom cavity is formed in the upper mould body and used for forming the part, above the diagonal plane, of the mounting base body, and the groove-type cavity is formed in the lower mould body and used for forming the part, below the diagonal plane, of the mounting base body and forming the part of the support plate. The connection part between the right-angle bottom cavity and the groove-type cavity is of a parting surface. The included angles of two side faces of the groove-type cavity in the vertical direction are b. The included angle between the cavity wall face, corresponding to the bottom face of the mounting base forge piece, of the right-angle bottom cavity and the horizontal plane is c. The upper mould body is provided with flash gutters communicated with the mould cavity, and the flash gutters are formed in the periphery of the right-angle bottom cavity and located on the two sides of the parting surface. According to the mould, c equals that a and b are subtracted from 90 degrees; a ranges from 45 degrees to 80 degrees; b ranges from 3 degrees to 5 degrees.

Description

technical field [0001] The invention belongs to the field of forging forming technology, in particular to a mold for forging mounting seat forgings. Background technique [0002] Mounting seats with inclined connectors are commonly used parts. Due to their large production batches, their shapes are relatively complex, and conventional free forging and film forging cannot meet the needs of actual production. It is often necessary to design special molds for forging production. [0003] The forging of this type of mount usually includes a mount body and an inclined support plate. The mount body is a square body, and the angle between the mount body and the inclined support plate is an acute angle. By performing subsequent processing on the forging, the finished mounting seat can be obtained. [0004] as attached figure 2 As shown, it is the finished product of the anti-roll mounting seat 10 for a subway car, which includes a bottom plate 1a with a certain thickness and a sup...

AI Technical Summary

Problems solved by technology

[0006] In the prior art, there are two ways to set the parting surface of the mold for forging the above-mentioned special-shaped product forgings. One is to set the parting surface horizontally along the bottom surface of the mounting seat, that is, the parting surface is set horizontally, and the cavity is formed between the parting surface. Below or above, the part of the cavity corresponding to the inclined support plate needs to fully contain the inclined support plate. Due to the large inclination angle between the inclined support plate and the body of the mounting seat, the volume of the cavity containing the inclined support plate is relatively large. , forgings need to consume more blanks, and in the process of obtaining finished products from forgings, especially when processing inclined support plate parts, the processing volume is large and time-consuming, resulting in waste of raw materials

[0007] Another existing way of setting the parting surface is to make the cavity wall corresponding to the inclined support plate vertically arranged to facilitate mold pulling, while the part of the cavity corresponding to the bottom plate is in an inclined state, and the parting surface is parallel to the inclined In this way, the waste of raw materials can be reduced. However, when the parting surface is too inclined, the horizontal component force on the mold will be too large, the service life will be reduced, and it will be difficult to demould.

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