To provide a punch die assembly which does not damage an inner face of a punch guide by a punch blade or does not require any exclusive tool during the disassembly when the punch die assembly is disassembled into a punch assembly and a punch guide.
In the punch die assembly 1 in which a punch assembly 2 with a stripper spring 29 elastically mounted between a punch head 23 and a retainer 13 provided below the punch head and a punch body of the punch assembly are attachably/detachably retained, an upper end of the punch guide is freely fitted to the inner side of the lower end of the retainer, an annular engagement recessed part 15A is formed in an upper outer circumferential surface of the punch guide, and an elastic member 17 to be partly attached/detached to/from the annular engagement recessed part is provided on the inner side of the retainer in a manner to be able to deform in a radial direction. The punch die assembly has a connection-fixing means 30 capable of integrally fixing the punch guide and the retainer to each other, or performing the unfixing thereof by pressing and moving the elastic member in the radial direction.
Iwa Saki Kokuni
Akira Kurihara
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu
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