JPS63189418U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す図で第２図の
要部拡大図、第２図は同じく本考案の一実施例を
示す断面図、第３図はピアスポンチの斜視図、第
４図は本考案の他の実施例を示す要部断面図、第
５図は従来のプレス型の全体の断面図、第６図は
第５図の要部拡大図である。 ２……スライドカム、３……ボタンダイ、４…
…ポンチ、７……スクラツプピツト、１４……ポ
ンチリテーナ、１５……空気流通孔、２１……ピ
アスポンチ、２２……空気圧力源、２４……スク
ラツプパイプ、Ｗ……ワーク。 Fig. 1 is a diagram showing an embodiment of the present invention, and is an enlarged view of the main part of Fig. 2, Fig. 2 is a sectional view also showing an embodiment of the invention, Fig. 3 is a perspective view of the piercing punch, and Fig. 3 is a perspective view of the piercing punch. FIG. 4 is a sectional view of the main part showing another embodiment of the present invention, FIG. 5 is a sectional view of the entire conventional press die, and FIG. 6 is an enlarged view of the main part of FIG. 5. 2...Slide cam, 3...Button die, 4...
... Punch, 7 ... Scrap pit, 14 ... Punch retainer, 15 ... Air circulation hole, 21 ... Pierce punch, 22 ... Air pressure source, 24 ... Scrap pipe, W ... Work.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピアスポンチとボタンダイとのせん断作用にピ
アス加工を行なうプレス型において、ピアスポン
チには、一端がポンチ先端面に開口するとともに
他端が空気圧力源に接続され、かつ前記開口部よ
り圧縮空気を吹き出してピアス加工時に生じたス
クラツプを吹き飛ばす空気流通孔を形成したこと
を特徴とするピアス加工用プレス型。 In a press type that performs piercing by the shearing action between a piercing punch and a button die, the piercing punch has one end opened at the punch tip surface and the other end connected to an air pressure source, and compressed air is supplied from the opening. A press mold for piercing, characterized by having air circulation holes formed to blow out scraps generated during piercing.