JPS6163328U - - Google Patents
Info
- Publication number
- JPS6163328U JPS6163328U JP14724584U JP14724584U JPS6163328U JP S6163328 U JPS6163328 U JP S6163328U JP 14724584 U JP14724584 U JP 14724584U JP 14724584 U JP14724584 U JP 14724584U JP S6163328 U JPS6163328 U JP S6163328U
- Authority
- JP
- Japan
- Prior art keywords
- presser plate
- precision press
- stripper
- workpiece
- serves
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 2
Landscapes
- Punching Or Piercing (AREA)
Description
第１図Ａは本考案押え板の一実施例を示す要部
断面図、第１図Ｂはその部分拡大図、第２図はリ
ードフレームの打抜場所と押圧場所の説明図、第
３図はリードフレームの加工順序の説明図、第４
図Ａ，Ｂはプレスの動作を示す断面図、第４図Ｃ
は打抜き時の従来の説明図である。
１…条材、２…プレス、３…押え板、３ａ…突
出部、４…パンチホルダー、５…パンチ、６…ス
プリング、８…ダイ。
FIG. 1A is a cross-sectional view of a main part showing an embodiment of the holding plate of the present invention, FIG. 1B is a partially enlarged view thereof, FIG. 2 is an explanatory diagram of the punching location and pressing location of the lead frame, and FIG. 3 4 is an explanatory diagram of the lead frame processing order.
Figures A and B are cross-sectional views showing the operation of the press, Figure 4C
is a conventional explanatory diagram at the time of punching. DESCRIPTION OF SYMBOLS 1... Strip material, 2... Press, 3... Presser plate, 3a... Projection part, 4... Punch holder, 5... Punch, 6... Spring, 8... Die.
Claims (1)
ツパーを兼ねる押え板において、被加工物に接す
る面で、パンチの穴から外方の周辺部分のみに、
やや突出した段状の突起部を設けたことを特徴と
する精密プレス金型の押え板。 In the presser plate, which also serves as a stripper for a precision press die that sequentially punches thin strips, on the surface that contacts the workpiece, only the outer peripheral area from the punch hole,
A presser plate for precision press molds, characterized by having a slightly protruding stepped protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14724584U JPS6163328U (en) | 1984-09-28 | 1984-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14724584U JPS6163328U (en) | 1984-09-28 | 1984-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6163328U true JPS6163328U (en) | 1986-04-30 |
Family
ID=30705476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14724584U Pending JPS6163328U (en) | 1984-09-28 | 1984-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6163328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63177929A (en) * | 1987-01-17 | 1988-07-22 | Sumitomo Metal Mining Co Ltd | Press working method for lead frame |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57168734A (en) * | 1981-04-09 | 1982-10-18 | Hitachi Zosen Corp | Precise blanking process of mirror finished surface plate |
-
1984
- 1984-09-28 JP JP14724584U patent/JPS6163328U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57168734A (en) * | 1981-04-09 | 1982-10-18 | Hitachi Zosen Corp | Precise blanking process of mirror finished surface plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63177929A (en) * | 1987-01-17 | 1988-07-22 | Sumitomo Metal Mining Co Ltd | Press working method for lead frame |
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