JPS60146530U

JPS60146530U - punch for punch press

Info

Publication number: JPS60146530U
Application number: JP3236684U
Authority: JP
Inventors: 基中村
Original assignee: 宮城精機株式会社
Priority date: 1984-03-08
Filing date: 1984-03-08
Publication date: 1985-09-28

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は、従来のパンチを示す一部切欠正面図、第２図
は、本考案の一実施例を一部切欠して示す正面図、第３
図は、第２図におけるパンチ本体のみを示す縦断面図、
第４図は、同じく底面図、第５図は、第２図におけるパ
ンチ刃物のみを示す正面図、第６図は、同じく底面図で
ある。１・・・パンチ本体、１ａ・・・ヘッド部、１ｃ・・・
下端面、２・・・凹孔、２ａ・・・拡径部、２ｂ・・・
縦溝、４・・・窓孔、５・・・ピン、６・・・操作ピン
、７・・・圧縮コイルばね、８・・・パンチ刃物、８ａ
・・・本体、８ｃ・・・刃部、９・・・軸部、９ａ・・
・係合突起、１０・・・係合溝。Fig. 1 is a partially cutaway front view showing a conventional punch, Fig. 2 is a partially cutaway front view showing an embodiment of the present invention, and Fig. 3 is a partially cutaway front view showing a conventional punch.
The figure is a longitudinal sectional view showing only the punch body in Fig. 2;
4 is a bottom view, FIG. 5 is a front view showing only the punch blade in FIG. 2, and FIG. 6 is a bottom view. 1... Punch body, 1a... Head part, 1c...
Lower end surface, 2... recessed hole, 2a... enlarged diameter part, 2b...
Vertical groove, 4... Window hole, 5... Pin, 6... Operating pin, 7... Compression coil spring, 8... Punch knife, 8a
...Main body, 8c...Blade part, 9...Shaft part, 9a...
- Engagement protrusion, 10... engagement groove.

Claims

[Scope of Claim for Utility Model Registration] A punch in which a replaceable punch blade is attached to the punch body, an axial hole whose lower surface is open, an enlarged diameter portion near the bottom of the axial hole, and the enlarged diameter portion. and a groove cut along the axial direction in the inner circumferential surface of the shaft hole between the punch body and the opening; a pin hole opening in the lower surface of the punch body; A positioning pin that can freely move in and out of the hole and is biased so that its tip always protrudes from the opening, and an upwardly directed shaft portion that can be fitted into the shaft hole is provided on the upper surface of the main body, and on the outer periphery of the shaft portion, an engaging protrusion that enters the enlarged diameter portion through the groove and engages with the enlarged diameter portion by rotating the required angle; and a retaining groove that engages the positioning pin at an aligned position. A punch for a punch press characterized by comprising a punch cutter.