Die apparatus and die exchanging method in pressing machine

Details Die apparatus and die exchanging method in pressing machine Die apparatus and die exchanging method in pressing machine

2006-11-14

2006-11-14

Jones, David B. (Department: 3725)

Metal deforming

With means to drive tool

With means to permit tool positioning

C072S448000, C072S481100, C072S481800

Reexamination Certificate

active

07134312

ABSTRACT:
Improved die arrangements are provided whereby both an upper die and a lower die can easily be loaded into and unloaded from their respective die holders in a die exchanging operation. An improved die apparatus in a pressing machine in which an upper die set is securely loaded in an upper die holder fastened to a slide side for a pressing operation, comprises an arrangement whereby the upper die set is held in the upper die holder so that the upper die set can be extracted downwards from the upper die holder, wherein the upper die holder is provided with stopper means adapted to engage with the upper die set to hold the upper die set in place and adapted to disengage from the upper die set to allow the upper die set to disengage from the upper die holder.

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