JPH0376621U - - Google Patents
Info
- Publication number
- JPH0376621U JPH0376621U JP13511789U JP13511789U JPH0376621U JP H0376621 U JPH0376621 U JP H0376621U JP 13511789 U JP13511789 U JP 13511789U JP 13511789 U JP13511789 U JP 13511789U JP H0376621 U JPH0376621 U JP H0376621U
- Authority
- JP
- Japan
- Prior art keywords
- punch
- piercing
- die
- mold device
- stripper
- 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 2
- 238000005553 drilling Methods 0.000 claims 1
Landscapes
- Punching Or Piercing (AREA)
Description
第１図は本考案のピアス金型装置の要部を示す
拡大図、第２図は同装置で加工したワークのせん
断部を示す縦断面図、第３図は従来の装置を示す
部分図、第４図は従来の加工のワークのせん断部
を示す縦断面図である。
尚同図中、１……突状部、２……凹溝、１２…
…ポンチダイ、１６……打抜き穴、１８……ピア
スポンチ、１９……ストリツパ、Ｗ……ワーク、
ｂ……かえりを示す。
Fig. 1 is an enlarged view showing the main parts of the piercing mold device of the present invention, Fig. 2 is a longitudinal sectional view showing the sheared part of a workpiece processed with the same device, and Fig. 3 is a partial view showing the conventional device. FIG. 4 is a longitudinal cross-sectional view showing a sheared part of a conventionally processed workpiece. In the figure, 1... protrusion, 2... concave groove, 12...
...Punch die, 16 ... Punching hole, 18 ... Earring punch, 19 ... Stripper, W ... Work,
b... Indicates a burr.
Claims (1)
トリツパと共に設けたピアスポンチによつて穴あ
け加工するようにしたピアス金型装置において、 前記ポンチダイの打抜き穴周縁部には、穴あけ
加工時ワーク下面に打抜きラインに沿つた凹溝を
形成するための、突状部を設けたことを特徴とす
るピアス金型装置。[Scope of Claim for Utility Model Registration] A piercing mold device configured to punch a hole with a punch die provided in a lower die and a piercing punch provided with a stripper in an upper die, in which: is a piercing mold device characterized by providing a protruding portion for forming a concave groove along a punching line on the lower surface of a workpiece during drilling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13511789U JPH0376621U (en) | 1989-11-21 | 1989-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13511789U JPH0376621U (en) | 1989-11-21 | 1989-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0376621U true JPH0376621U (en) | 1991-07-31 |
Family
ID=31682406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13511789U Pending JPH0376621U (en) | 1989-11-21 | 1989-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0376621U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002301522A (en) * | 2001-04-02 | 2002-10-15 | Amada Eng Center Co Ltd | Punching method and its device, method and apparatus for changing die chip in die, and die used for punching method |
| JP4729070B2 (en) * | 2008-04-28 | 2011-07-20 | 古河電気工業株式会社 | Aluminum alloy substrate for magnetic disk and die for punching press of aluminum alloy substrate for magnetic disk |
| KR101141435B1 (en) * | 2010-09-28 | 2012-05-04 | 삼성전기주식회사 | Motor, fabrication method thereof, and optical disc drive using the same |
| JP2012096258A (en) * | 2010-11-01 | 2012-05-24 | Unipres Corp | Punching method and die |
| JP2014050889A (en) * | 2013-10-18 | 2014-03-20 | Unipres Corp | Clutch drum for automobile transmission |
| JP2015193043A (en) * | 2014-03-17 | 2015-11-05 | 株式会社東亜鍛工所 | Manufacturing method of metal plate with hole, perforated metal plate, circumferentially perforated external gear, external gear and metal plate for cam, as well as manufacturing method of metal plate and metal plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61238424A (en) * | 1985-04-17 | 1986-10-23 | Hitachi Ltd | Double drawing device for metallic plate |
| JPS62292398A (en) * | 1986-06-11 | 1987-12-19 | 日立化成工業株式会社 | Punching mold |
-
1989
- 1989-11-21 JP JP13511789U patent/JPH0376621U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61238424A (en) * | 1985-04-17 | 1986-10-23 | Hitachi Ltd | Double drawing device for metallic plate |
| JPS62292398A (en) * | 1986-06-11 | 1987-12-19 | 日立化成工業株式会社 | Punching mold |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002301522A (en) * | 2001-04-02 | 2002-10-15 | Amada Eng Center Co Ltd | Punching method and its device, method and apparatus for changing die chip in die, and die used for punching method |
| JP4729070B2 (en) * | 2008-04-28 | 2011-07-20 | 古河電気工業株式会社 | Aluminum alloy substrate for magnetic disk and die for punching press of aluminum alloy substrate for magnetic disk |
| KR101141435B1 (en) * | 2010-09-28 | 2012-05-04 | 삼성전기주식회사 | Motor, fabrication method thereof, and optical disc drive using the same |
| JP2012096258A (en) * | 2010-11-01 | 2012-05-24 | Unipres Corp | Punching method and die |
| JP2014050889A (en) * | 2013-10-18 | 2014-03-20 | Unipres Corp | Clutch drum for automobile transmission |
| JP2015193043A (en) * | 2014-03-17 | 2015-11-05 | 株式会社東亜鍛工所 | Manufacturing method of metal plate with hole, perforated metal plate, circumferentially perforated external gear, external gear and metal plate for cam, as well as manufacturing method of metal plate and metal plate |