JPH0413299U - - Google Patents
Info
- Publication number
- JPH0413299U JPH0413299U JP5432490U JP5432490U JPH0413299U JP H0413299 U JPH0413299 U JP H0413299U JP 5432490 U JP5432490 U JP 5432490U JP 5432490 U JP5432490 U JP 5432490U JP H0413299 U JPH0413299 U JP H0413299U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- punching
- sheet material
- stepped portion
- tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004080 punching Methods 0.000 claims description 21
Description
第１図は、本考案の一実施例に係る打抜刃の断
面図、第２図は上記打抜刃を備えたシート材打抜
装置全体の断面図、第３図は従来のシート材打抜
刃に関するもので、第３図ａは打抜刃を含む型台
の部分断面図、第３図ｂは第３図ａに示した打抜
刃に打抜カスが詰まつた状態を示す断面図、第３
図ｃは打抜かれた状態を示すシート材の平面図で
ある。
符号の説明、１……シート材打抜刃、１′……
刃先端、２……傾斜面（第２の傾斜面）、３……
刃内面（第１の刃内面）、４……段部、５……刃
内面（第２の刃内面）、６……傾斜面（第１の傾
斜面）、７……排出口、９……箱体、１０……ダ
クト。
FIG. 1 is a sectional view of a punching blade according to an embodiment of the present invention, FIG. 2 is a sectional view of the entire sheet material punching device equipped with the above punching blade, and FIG. 3 is a sectional view of a conventional sheet material punching device. Regarding the punching blade, Fig. 3a is a partial cross-sectional view of the die table including the punching blade, and Fig. 3b is a cross-sectional view showing the punching blade clogged with punching dregs shown in Fig. 3a. Figure, 3rd
Figure c is a plan view of the sheet material in a punched state. Explanation of symbols, 1... Sheet material punching blade, 1'...
Blade tip, 2... Inclined surface (second inclined surface), 3...
Blade inner surface (first blade inner surface), 4...Stepped portion, 5...Blade inner surface (second blade inner surface), 6...Slope surface (first slope surface), 7...Discharge port, 9... ...Box body, 10...Duct.
Claims (1)
を打抜くためのシート材打抜刃において、 打抜刃の刃先の断面形状が、 刃先端から垂直に下降する第１の刃内面と
、 上記刃内面から外側へ向かう段部と、 上記段部につながり、上記第１の刃内面よ
り内径の大きい第２の刃内面と、 上記刃先端から外側へ向かう第１の傾斜面
と、 を有して構成されてなるシート材打抜刃。 ２ 打抜台との間にシート材を挟んで該シート材
を打抜くためのシート材打抜刃において、 打抜刃の刃先の断面形状が、 刃先端から内側へ向かう第２の傾斜面と、 上記第２の傾斜面の下端から垂直に下降す
る第１の刃内面と、 上記刃内面から外側へ向かう段部と、 上記段部につながり、上記第１の刃内面よ
り内径の大きい第２の刃内面と、 上記刃先端から外側へ向かう第１の傾斜面
と、 を有して構成されてなるシート材打抜刃。[Scope of Claim for Utility Model Registration] 1. In a sheet material punching blade for punching out a sheet material by sandwiching the sheet material between the punching table and the punching table, the cross-sectional shape of the cutting edge of the punching blade is perpendicular to the blade tip. a first blade inner surface that descends toward the outside; a stepped portion extending outward from the blade inner surface; a second blade inner surface that is connected to the stepped portion and has a larger inner diameter than the first blade inner surface; and a second blade inner surface that extends outward from the blade tip. A sheet material punching blade comprising: a first inclined surface facing toward the direction; 2. In a sheet material punching blade for punching out a sheet material by sandwiching the sheet material between the punching table and the punching table, the cross-sectional shape of the cutting edge of the punching blade is a second inclined surface extending inward from the blade tip. , a first blade inner surface that descends perpendicularly from the lower end of the second sloped surface, a stepped portion extending outward from the blade inner surface, and a second blade surface that is connected to the stepped portion and has a larger inner diameter than the first blade inner surface. A sheet material punching blade comprising: an inner surface of the blade; and a first inclined surface extending outward from the tip of the blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5432490U JPH0413299U (en) | 1990-05-24 | 1990-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5432490U JPH0413299U (en) | 1990-05-24 | 1990-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0413299U true JPH0413299U (en) | 1992-02-03 |
Family
ID=31576287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5432490U Pending JPH0413299U (en) | 1990-05-24 | 1990-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413299U (en) |
-
1990
- 1990-05-24 JP JP5432490U patent/JPH0413299U/ja active Pending