JPH0460320U - - Google Patents

Description

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

第１図〜第４図は本考案穿孔装置の一実施例を
示し、第１図は要部の一部切欠正面図、第２図は
その作動状態を示す、第３図は第１図の３−３線
拡大断面図、第４図は第１図の要部拡大図である
。また、第５図は従来装置の要部断面図である。 尚、図中、９……パンチ、１２……リテーナー
、１４……孔、８……ガイド孔、１５……ボール
。 Figures 1 to 4 show an embodiment of the punching device of the present invention, with Figure 1 being a partially cutaway front view of the main parts, Figure 2 showing its operating state, and Figure 3 being the same as Figure 1. 3-3 is an enlarged sectional view, and FIG. 4 is an enlarged view of the main part of FIG. Moreover, FIG. 5 is a sectional view of the main part of the conventional device. In the figure, 9... punch, 12... retainer, 14... hole, 8... guide hole, 15... ball.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 所望の硬度を有する材料を用いて内部中空に形
成したパンチの外周に筒状リテーナーをスライド
自在に遊嵌すると共に、前記リテーナーの周壁に
多数の孔を開穿し、夫々の孔にはパンチの外周と
、パンチが昇降動自在に嵌装されるガイド孔の内
周とに接触するボールを滑動可能に装填したこと
を特徴とする穿孔装置。 A cylindrical retainer is slidably and loosely fitted around the outer periphery of a hollow punch made of a material having a desired hardness, and a number of holes are drilled in the peripheral wall of the retainer, and a punch is inserted into each hole. A punching device characterized in that a ball is slidably loaded in contact with the outer periphery and the inner periphery of a guide hole in which a punch is fitted so as to be movable up and down.