| 摘要 |
PURPOSE: A fixed mold device, a moving mold device, and a punching apparatus including the same are provided to accurately form a machining hole by maintaining the arrangement of a metal molded products and a punch pin. CONSTITUTION: A fixed mold device(20) comprises a punch pin(21), pin fixing units(22,25), a first sleeve(23), a first sleeve support(26), and a moving mold body(27). The body of the punch pin is inserted into a through-hole(23c) of the first sleeve. The first sleeve support is installed between a head(23a) of the first sleeve and the pin fixing unit. The first sleeve support flexibly supports the first sleeve. The moving mold body has a mounting groove(27a) and a through-hole(27b). The first sleeve support, the first sleeve, and the pin fixing unit are inserted into the mounting groove. |
