JPH01105023U - - Google Patents
Info
- Publication number
- JPH01105023U JPH01105023U JP19761387U JP19761387U JPH01105023U JP H01105023 U JPH01105023 U JP H01105023U JP 19761387 U JP19761387 U JP 19761387U JP 19761387 U JP19761387 U JP 19761387U JP H01105023 U JPH01105023 U JP H01105023U
- Authority
- JP
- Japan
- Prior art keywords
- punch
- curved part
- bottom near
- concave
- shaped
- 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 6
Landscapes
- Punching Or Piercing (AREA)
Description
第1図から第4図までは本考案の板材の打ち抜
きポンチを示すもので、第1図はダイとポンチを
示す斜視図、第2図は送りぎり状態を示す斜視図
、第3図、第4図はポンチの形状を示す斜視図、
第5図、第6図は従来例を示すもので、第5図は
従来のポンチを示す斜視図、第6図は従来のポン
チの板材のニブリング加工部分を示す説明図であ
る。
1……ポンチ、2……前面、3……底部、4…
…後面、5……アール部、6……後面底部、7…
…湾曲部、8……傾斜部、9……板材、10……
ダイ、11……上面、12……打ち抜き孔、13
……前面下部、14……打ち抜き孔前部、15…
…打ち抜き孔後部、16……ダイ後部、17……
切り屑、18……出つ張り、19……ダブらせ部
。
Figures 1 to 4 show the punch for punching plate materials of the present invention, with Figure 1 being a perspective view showing the die and punch, Figure 2 being a perspective view showing the fully advanced state, Figures 3 and 4. Figure 4 is a perspective view showing the shape of the punch.
5 and 6 show conventional examples. FIG. 5 is a perspective view of the conventional punch, and FIG. 6 is an explanatory view showing the nibbling portion of the plate material of the conventional punch. 1... Punch, 2... Front, 3... Bottom, 4...
...Rear surface, 5...Round part, 6...Rear bottom, 7...
...Curved part, 8... Inclined part, 9... Plate material, 10...
Die, 11...Top surface, 12...Punching hole, 13
...Front lower part, 14...Punching hole front part, 15...
...Rear part of punching hole, 16...Rear part of die, 17...
Chips, 18... protrusion, 19... double portion.
Claims (1)
於いて、そのポンチの前面であり、中央よりやや
下部の部分から後面近くの底部に向けて前面全体
の巾の凹み状の湾曲部を設け、更にこの後面近く
の底部と凹み状の湾曲部の接合部をアール状に成
形したことを特徴とする板材の送りぎりポンチ。 In a vertical column-shaped punch for punching out plate material, a concave-shaped curved part with the width of the entire front surface is provided from a slightly lower part of the center to the bottom near the rear face on the front face of the punch, and This punch for punching plate materials is characterized in that the joint between the bottom near the rear surface and the concave curved part is formed into a rounded shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19761387U JPH01105023U (en) | 1987-12-28 | 1987-12-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19761387U JPH01105023U (en) | 1987-12-28 | 1987-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01105023U true JPH01105023U (en) | 1989-07-14 |
Family
ID=31488158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19761387U Pending JPH01105023U (en) | 1987-12-28 | 1987-12-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01105023U (en) |
-
1987
- 1987-12-28 JP JP19761387U patent/JPH01105023U/ja active Pending