Male die movable type fine punching die

Abstract

The invention discloses a male die movable type fine punching die aiming to solve the quality problem that the shearing end face of a workpiece punched by an existing punched die is rough. The male die movable type fine punched die comprises a lower die base with a vertical big-end-up step hole; a base plate is fixed to the step of the step hole; a gear ring pressure plate is arranged on the upper portion of the base plate; a vertically moving sliding block is arranged below the lower die base; the upper portion of the sliding block is provided with two ejection rods symmetrical about the vertical center line of the sliding block; the two ejection rods are used for applying punching force to a punch die; a via hole is formed in the middle of the gear ring pressure plate; the punch die penetrates through the via hole; an upper die base is located over the lower die base; the lower portion of the upper die base is fixedly provided with an annular blanking female die; an upper plunger is arranged above the upper die base; the lower end of the upper plunger and a push plate are fixed; the push plate and two push rods are fixed; the lower ends of the push rods and an upper male die are fixed; the upper male die penetrates through the blanking female die; a punching male die is arranged on the upper male die.

Description

technical field [0001] The invention relates to a movable fine punching die of a convex die. Background technique [0002] Punching is a stamping process that uses a die to separate part of the material or process part from another part of the material, process part or waste. Punching is shearing, blanking, punching, punching, punching, cutting, chisel , trimming, tongue cutting, cutting, trimming and other separation processes in general. In addition to being used as a spare material, blanking is often used to directly process gaskets, bicycle sprockets, instrument gears, cams, shift forks, instrument panels, and silicon steel sheets on motors and electrical appliances, and connectors in integrated circuits. The blanking method that generally adopts at present is to place the blank on the upper part of the lower die, and the punch goes down and directly punches the blank, and the blanking is completed after blanking. There are often some problems in the workpieces obtaine...

AI Technical Summary

Problems solved by technology

[0003] The present invention intends to provide a fine punching die with a movable punch to solve the quality problems such as the rough shear end face of the workpiece punched out by the existing punching die.

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