JPH0281723U - - Google Patents

Info

Publication number
JPH0281723U
JPH0281723U JP16092388U JP16092388U JPH0281723U JP H0281723 U JPH0281723 U JP H0281723U JP 16092388 U JP16092388 U JP 16092388U JP 16092388 U JP16092388 U JP 16092388U JP H0281723 U JPH0281723 U JP H0281723U
Authority
JP
Japan
Prior art keywords
punch
inclined surface
press device
workpiece
protrusion
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
Application number
JP16092388U
Other languages
Japanese (ja)
Other versions
JPH0644491Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988160923U priority Critical patent/JPH0644491Y2/en
Publication of JPH0281723U publication Critical patent/JPH0281723U/ja
Application granted granted Critical
Publication of JPH0644491Y2 publication Critical patent/JPH0644491Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ないし第３図は本考案の実施例を示し、
第１図はピアスパンチの斜視図、第２図は穴あけ
加工の初期状態の説明図、第３図は穴あけ加工の
終了状態の説明図、第４図は他の実施例のピアス
パンチを示す断面図、第５図は従来例の説明図、
第６図は従来例を変形した場合の説明図である。 １，２１……ピアスパンチ、５，２６……下側
傾斜面、６……突起部、７……上側傾斜面、８…
…ダイ、２８……下端部、Ｗ……ワーク、ａ……
傾斜部分。 1 to 3 show embodiments of the present invention,
Fig. 1 is a perspective view of the piercing punch, Fig. 2 is an illustration of the initial state of drilling, Fig. 3 is an illustration of the completed state of drilling, and Fig. 4 is a cross section showing the piercing punch of another embodiment. 5 is an explanatory diagram of a conventional example,
FIG. 6 is an explanatory diagram of a modification of the conventional example. 1, 21...Earring punch, 5, 26...Lower slope, 6...Protrusion, 7...Upper slope, 8...
...Die, 28...Lower end, W...Work, a...
sloping part.

Claims (1)

【実用新案登録請求の範囲】 (1) ワークの傾斜部分を該傾斜部分に対応した
傾斜角度の上側傾斜面にて下側から支持するダイ
と、下側傾斜面を下端に有するとともに水平面に
対して略垂直に上下動し上記ワークの傾斜部分に
上側から穴あけ加工するパンチとを備えたプレス
装置において、上記パンチは、その下側傾斜面よ
り先に上記ワークに当接する突起部が該下側傾斜
面に下方に突出して形成されていることを特徴と
するプレス装置。 (2) パンチが、筒状のアウタパンチと、該アウ
タパンチ内に嵌着固定されるインナパンチとから
なり、インナパンチの下端部が、アウタパンチ下
側傾斜面より突出する突起部となつているところ
の請求項(1)記載のプレス装置。[Claims for Utility Model Registration] (1) A die that supports an inclined part of a workpiece from below with an upper inclined surface at an angle of inclination corresponding to the inclined part, and a die having a lower inclined surface at the lower end and with respect to a horizontal surface. In the press device, the punch is provided with a punch that moves up and down almost vertically to punch a hole from above into the inclined part of the workpiece, and the punch has a protrusion that contacts the workpiece before the lower sloped surface of the punch. A press device characterized in that it is formed on an inclined surface so as to protrude downward. (2) The punch consists of a cylindrical outer punch and an inner punch that is fitted and fixed inside the outer punch, and the lower end of the inner punch is a protrusion that protrudes from the lower inclined surface of the outer punch. A press device according to claim (1).
JP1988160923U 1988-12-12 1988-12-12 Press machine Expired - Lifetime JPH0644491Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988160923U JPH0644491Y2 (en) 1988-12-12 1988-12-12 Press machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988160923U JPH0644491Y2 (en) 1988-12-12 1988-12-12 Press machine

Publications (2)

Publication Number Publication Date
JPH0281723U true JPH0281723U (en) 1990-06-25
JPH0644491Y2 JPH0644491Y2 (en) 1994-11-16

Family

ID=31443416

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988160923U Expired - Lifetime JPH0644491Y2 (en) 1988-12-12 1988-12-12 Press machine

Country Status (1)

Country Link
JP (1) JPH0644491Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023030686A (en) * 2021-08-23 2023-03-08 株式会社フジコーポレーション Brake disc and method of manufacturing the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4726284U (en) * 1971-04-12 1972-11-24
JPS5413088U (en) * 1977-06-30 1979-01-27
JPS55134027U (en) * 1979-03-19 1980-09-24

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4726284U (en) * 1971-04-12 1972-11-24
JPS5413088U (en) * 1977-06-30 1979-01-27
JPS55134027U (en) * 1979-03-19 1980-09-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023030686A (en) * 2021-08-23 2023-03-08 株式会社フジコーポレーション Brake disc and method of manufacturing the same

Also Published As

Publication number Publication date
JPH0644491Y2 (en) 1994-11-16

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