JPH0342321U - - Google Patents
Info
- Publication number
- JPH0342321U JPH0342321U JP10320889U JP10320889U JPH0342321U JP H0342321 U JPH0342321 U JP H0342321U JP 10320889 U JP10320889 U JP 10320889U JP 10320889 U JP10320889 U JP 10320889U JP H0342321 U JPH0342321 U JP H0342321U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- curved blade
- cutting edge
- curved
- lower mold
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
第１図は本考案の要部断面図、第２図及び第３
図は本考案の動作を説明する要部断面図、第４図
は本考案が適用される板金の一例を示す斜視図、
第５図は従来の切刃の要部断面図、第６図は従来
の切刃による穴抜曲げ形状の平面図である。
１０……下型曲刃、１０ａ……立面部、１１…
…ポンチ、１１ａ……立面部、１２……ポンチ曲
刃、１３……下刃、１３ａ……下切刃、１４……
スプリング、１６……上刃、１６ａ……上切刃、
１６ｂ，１６ｃ……上曲刃、１６ｄ，１６ｅ……
立面部。
Figure 1 is a sectional view of the main parts of the present invention, Figures 2 and 3
The figure is a sectional view of a main part explaining the operation of the present invention, and FIG. 4 is a perspective view showing an example of a sheet metal to which the present invention is applied.
FIG. 5 is a sectional view of a main part of a conventional cutting blade, and FIG. 6 is a plan view of a hole punching and bending shape of a conventional cutting blade. 10...Lower mold curved blade, 10a...Elevated part, 11...
...Punch, 11a...Elevated part, 12...Punch curved edge, 13...Lower blade, 13a...Lower cutting edge, 14...
Spring, 16...upper blade, 16a...upper cutting blade,
16b, 16c...Upper curved blade, 16d, 16e...
Elevation.
Claims (1)
と所要の間隔を有して対向するポンチ曲刃と、前
記下型曲刃と、ポンチ曲刃とが対向する立面部間
に上下方向に摺動可能に案内され、前記間隔の略
中央に下切刃が形成されスプリングによつて上方
に常に押圧付勢され上昇端を下型曲刃とポンチ曲
刃の上面と同一面に規制した下刃とを備え、 前記下型に対して昇降動する上型に、前記下刃
の下切刃と対応する上切刃が中央に形成され、こ
の上切刃の両側に前記下型曲刃及びポンチ曲刃と
それぞれ対応する上曲刃並びに立面部を有する上
刃を備えてなる板金の穴打抜き用両曲切刃。[Claims for Utility Model Registration] A lower mold of a press machine includes a lower mold curved blade, a punch curved blade facing the lower mold curved blade with a required distance, the lower mold curved blade, and a punch curve. The blade is guided so as to be slidable in the vertical direction between opposing vertical surfaces, and a lower cutting edge is formed approximately in the center of the gap, and is constantly pressed upward by a spring, with the rising end serving as the lower curved blade. A lower cutting edge is provided on the same plane as the upper surface of the punch curved blade, and an upper cutting edge corresponding to the lower cutting edge of the lower cutting edge is formed in the center of the upper die that moves up and down with respect to the lower die. A double-curved cutting blade for punching holes in sheet metal, comprising an upper curved blade corresponding to the lower mold curved blade and the punch curved blade, respectively, and an upper blade having a vertical surface on both sides of the cutting blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10320889U JPH0747139Y2 (en) | 1989-09-04 | 1989-09-04 | Double curved cutting edge for punching sheet metal holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10320889U JPH0747139Y2 (en) | 1989-09-04 | 1989-09-04 | Double curved cutting edge for punching sheet metal holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0342321U true JPH0342321U (en) | 1991-04-22 |
| JPH0747139Y2 JPH0747139Y2 (en) | 1995-11-01 |
Family
ID=31652063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10320889U Expired - Lifetime JPH0747139Y2 (en) | 1989-09-04 | 1989-09-04 | Double curved cutting edge for punching sheet metal holes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747139Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008107078A (en) * | 2006-09-26 | 2008-05-08 | Hoyokudo:Kk | Furnace body for open hearth and outdoor barbecue cooking stove |
| JP2021137815A (en) * | 2020-03-02 | 2021-09-16 | トヨタ車体株式会社 | Press die |
-
1989
- 1989-09-04 JP JP10320889U patent/JPH0747139Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008107078A (en) * | 2006-09-26 | 2008-05-08 | Hoyokudo:Kk | Furnace body for open hearth and outdoor barbecue cooking stove |
| JP2021137815A (en) * | 2020-03-02 | 2021-09-16 | トヨタ車体株式会社 | Press die |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0747139Y2 (en) | 1995-11-01 |
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