JPH0318917U - - Google Patents
Info
- Publication number
- JPH0318917U JPH0318917U JP7966389U JP7966389U JPH0318917U JP H0318917 U JPH0318917 U JP H0318917U JP 7966389 U JP7966389 U JP 7966389U JP 7966389 U JP7966389 U JP 7966389U JP H0318917 U JPH0318917 U JP H0318917U
- Authority
- JP
- Japan
- Prior art keywords
- lead frame
- tool
- molded shape
- punching
- view
- 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
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
- Lead Frames For Integrated Circuits (AREA)
Description
第１図は、本考案の打ち抜き工具の一例を示す
斜視図である。第２図は、本考案の打ち抜き工具
を用いた一実施例を示す断面図である。第３図は
、従来のリードフレームの平面図を示す。第４図
は、リードフレームの成形加工部の断面図を示す
。第５図は、リードフレームが打ち抜き加工され
る従来例の場合を示す断面図である。第６図は、
従来例の打ち抜き加工後の成形加工部を示す斜視
図である。
符号の説明、１……打ち抜き工具、１ａ……パ
ンチ、１ｂ……ダイス、２……平坦面、３……凸
部形状、４……被加工板部材、５……リードフレ
ーム、５ａ……インナーリード、６……搭載台の
支持棒、７……成形加工、８……せん断面、９…
…破断面、１０……バリ。
FIG. 1 is a perspective view showing an example of a punching tool of the present invention. FIG. 2 is a sectional view showing an embodiment using the punching tool of the present invention. FIG. 3 shows a plan view of a conventional lead frame. FIG. 4 shows a cross-sectional view of the molded portion of the lead frame. FIG. 5 is a sectional view showing a conventional example in which a lead frame is punched. Figure 6 shows
It is a perspective view which shows the shaping|molding process part after the punching process of a conventional example. Explanation of symbols, 1... Punching tool, 1a... Punch, 1b... Die, 2... Flat surface, 3... Convex shape, 4... Work plate member, 5... Lead frame, 5a... Inner lead, 6... Support rod for mounting base, 7... Molding, 8... Sheared surface, 9...
...Fracture surface, 10...burr.
Claims (1)
た後に該リードフレームを打ち抜く際に用いる工
具であつて、 前記工具の処理面上に、少なくとも１個の該成
形形状と合致する反転した凹凸形状を有すること
を特徴とするリードフレーム打ち抜き工具。[Claims for Utility Model Registration] A tool used for punching out a lead frame after forming a desired molded shape on the lead frame, the tool having at least one molded shape matching the molded shape on the processed surface of the tool. A lead frame punching tool characterized by having an inverted uneven shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7966389U JPH0318917U (en) | 1989-07-06 | 1989-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7966389U JPH0318917U (en) | 1989-07-06 | 1989-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0318917U true JPH0318917U (en) | 1991-02-25 |
Family
ID=31624022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7966389U Pending JPH0318917U (en) | 1989-07-06 | 1989-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0318917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102178116B1 (en) * | 2020-05-20 | 2020-11-12 | 한상명 | Crusher of Household food waste treatment device |
-
1989
- 1989-07-06 JP JP7966389U patent/JPH0318917U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102178116B1 (en) * | 2020-05-20 | 2020-11-12 | 한상명 | Crusher of Household food waste treatment device |
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