US 2022/0088665 A1 · FORGING METHOD AND FORGING APPARATUS

Abstract

The present disclosure relates to a forging method and forging apparatus in which at front and rear portions of a workpiece, two products can be simultaneously shaped, thereby to improve a productivity of compression-shaping. The forging apparatus includes a press having upper and lower dies; a tray plate supply assembly configured to supply, by one pitch, a tray plate from one side of the press to an opposite side of the press along a middle portion between front and rear portions of a top of the lower die such that the tray plate can ascend and descend each time the upper die is raised; a punching unit disposed on the upper and lower dies at one side thereof to continuously form a workpiece fixing hole in the tray plate; a workpiece plate supply assembly disposed in front of an opposite side of the punching unit for feeding the workpiece plate by one pitch to a position below the workpiece fixing hole defined in the tray plate, wherein the workpiece plate supply assembly forms a through-protrusion to pass through the workpiece fixing hole on a front-rear directional middle portion in a portion of the workpiece plate corresponding to the fed one pitch; a cutting and pressing and fixing assembly provided on the upper and lower die at an opposite side of the punching unit for cutting the workpiece plate to be fed to the position below the workpiece fixing hole of the tray plate by one pitch and for pressing and fixing the through-protrusion formed on the middle portion of the cut workpiece into the workpiece fixing hole; and a pressing and shaping unit disposed on the upper and lower dies at an opposite side of the cutting and pressing and fixing assembly for compressing and shaping the fed workpiece.

Claims15

Dependent claims

A forging method comprising:

an operation 100 of ascending and descending an upper die of a press repeatedly, wherein the press includes the upper and lower dies sequentially having a punching unit, a cutting and pressing and fixing assembly, and a pressing and shaping unit from one side of the press to an opposite side of the press;
a workpiece fixing hole shaping operation 200 in which each time the upper die is raised, a tray plate is supplied by one pitch along a middle portion between front and rear portions of a top of the lower die from one side of the press to an opposite side of the press in such a manner that the tray plate can ascend and descend, and at the same time, a workpiece fixing hole is continuously punctured in the tray plate via the punching unit;
a workpiece plate supply operation 300 in which each time the upper die is raised, a workpiece plate is supplied from a front by one pitch to a position below the workpiece fixing hole of the tray plate located on the cutting and pressing and fixing assembly, and, at the same time, a through-protrusion to pass through the workpiece fixing hole is formed on a front-rear directional middle portion in a portion of the workpiece plate corresponding to the supplied one pitch;
a workpiece fixing operation 400 in which the workpiece plate supplied into the position below the workpiece fixing hole located on the cutting and pressing and fixing assembly is cut by one pitch, and, then, the through-protrusion formed on the middle portion of the cut workpiece passes through the workpiece fixing hole and is compressed and fixed into the workpiece fixing hole;
and
a workpiece shaping operation 500 in which the workpiece moved while being fixed to the tray plate is compression-shaped by the pressing and shaping unit.

3 more elements

A forging apparatus comprising:

a press 1 having upper and lower dies 11 and 12;
a tray plate supply assembly 2 configured to supply, by one pitch, a tray plate 7 from one side of the press 1 to an opposite side of the press 1 along a middle portion between front and rear portions of a top of the lower die 12 such that the tray plate 7 can ascend and descend each time the upper die 11 is raised;
a punching unit 3 disposed on the upper and lower dies 11 and 12 at one side thereof to continuously form a workpiece fixing hole 71 in the tray plate 7;
a workpiece plate supply assembly 4 disposed in front of an opposite side of the punching unit 3 for feeding a workpiece plate 8 by one pitch to a position below the workpiece fixing hole 71 defined in the tray plate 7, wherein the workpiece plate supply assembly 4 forms a through-protrusion 82 to pass through the workpiece fixing hole 71 on a front-rear directional middle portion in a portion of the workpiece plate 8 corresponding to the fed one pitch;
a cutting and pressing and fixing assembly 5 provided on the upper and lower dies 11 and 12 at an opposite side of the punching unit 3 for cutting the workpiece plate 8 to be fed to the position below the workpiece fixing hole 71 of the tray plate 7 by one pitch and for pressing and fixing the through-protrusion 82 formed on the middle portion of the cut workpiece 81 into the workpiece fixing hole 71;
and
a pressing and shaping unit 6 disposed on the upper and lower dies 11 and 12 at an opposite side of the cutting and pressing and fixing assembly 5 for compressing and shaping the fed workpiece 81.

4 more elements

Dependencies are inferred from the claim text.

Forging method and forging apparatus

Life of this patent

Forging method and forging apparatus

Life of this patent

Abstract

Claims15