JPH0413296U - - Google Patents
Info
- Publication number
- JPH0413296U JPH0413296U JP5432590U JP5432590U JPH0413296U JP H0413296 U JPH0413296 U JP H0413296U JP 5432590 U JP5432590 U JP 5432590U JP 5432590 U JP5432590 U JP 5432590U JP H0413296 U JPH0413296 U JP H0413296U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- sheet material
- punching
- punching device
- 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 24
- 239000000463 material Substances 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims 1
Landscapes
- Details Of Cutting Devices (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
第１図は、本考案の一実施例に係るシート材打
抜装置に用いる打抜刃の断面図、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 used in a sheet material punching device 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. The figures relate to a conventional sheet material punching blade. Figure 3a is a partial cross-sectional view of the mold base including the punching blade, and Figure 3b shows the punching dregs on the punching blade shown in Figure 3a. FIG. 3c is a cross-sectional view showing the jammed state, and FIG. 3c is a plan view of the sheet material showing the 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... Inclined surface (first inclined surface), 7... Discharge port, 9... ...Box body, 10...Duct.
Claims (1)
を打抜くためのシート材打抜装置において、 打抜刃の刃先の断面形状を、 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、 を有して構成すると共に、該打抜刃を、台板に
形成された該打抜刃で打抜かれた打抜カスの外径
より大きい内径のカス排出孔上に同芯に配設した
ことを特徴とするシート材打抜装置。 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装置において、 打抜刃の刃先の断面形状を、 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、 を有して構成すると共に、該打抜刃を、台板に
形成された該打抜刃で打抜かれた打抜カスの外径
より大きい内径のカス排出孔上に同芯に配設した
ことを特徴とするシート材打抜装置。[Scope of Claim for Utility Model Registration] 1. In a sheet material punching device for punching out a sheet material by sandwiching the sheet material between it and a punching table, the cross-sectional shape of the cutting edge of the punching blade is perpendicular to the tip of the blade. a first blade inner surface that descends from the blade inner surface to the outside; a second blade inner surface that is connected to the step and has an inner diameter larger than the first blade inner surface; and a second blade inner surface that extends outward from the blade tip. and a first inclined surface facing toward the top, and the punching blade is formed on the base plate above a scrap discharge hole having an inner diameter larger than an outer diameter of punched scrap punched by the punching blade. A sheet material punching device characterized in that the sheet material punching device is arranged concentrically with the. 2. In a sheet material punching device 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 defined as 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 step section extending outward from the blade inner surface, and a second blade surface connected to the step section and having an inner diameter larger than the first blade inner surface. and a first inclined surface extending outward from the tip of the blade. A sheet material punching device characterized in that the sheet material punching device is arranged concentrically over a waste discharge hole having an inside diameter larger than an outside diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5432590U JPH0413296U (en) | 1990-05-24 | 1990-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5432590U JPH0413296U (en) | 1990-05-24 | 1990-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0413296U true JPH0413296U (en) | 1992-02-03 |
Family
ID=31576289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5432590U Pending JPH0413296U (en) | 1990-05-24 | 1990-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006110710A (en) * | 2004-09-15 | 2006-04-27 | Takahashi Keisei:Kk | Blanking die |
-
1990
- 1990-05-24 JP JP5432590U patent/JPH0413296U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006110710A (en) * | 2004-09-15 | 2006-04-27 | Takahashi Keisei:Kk | Blanking die |
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