JPS6347028U - - Google Patents

Info

Publication number
JPS6347028U
JPS6347028U JP14024486U JP14024486U JPS6347028U JP S6347028 U JPS6347028 U JP S6347028U JP 14024486 U JP14024486 U JP 14024486U JP 14024486 U JP14024486 U JP 14024486U JP S6347028 U JPS6347028 U JP S6347028U
Authority
JP
Japan
Prior art keywords
die
hole
punching
plate material
peripheral edge
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
Application number
JP14024486U
Other languages
Japanese (ja)
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 JP14024486U priority Critical patent/JPS6347028U/ja
Publication of JPS6347028U publication Critical patent/JPS6347028U/ja
Pending legal-status Critical Current

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  • Punching Or Piercing (AREA)

Description

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

図面は本考案の一実施例を示すもので、第１図
は縦断面図、第２図及び第３図は打抜き加工過程
を順に示す要部の縦断面図、第４図は打抜き加工
後の板材の縦断面図である。 図中、２はポンチ、３はストリツパプレート、
６はダイス、７は板材、８は打抜孔、９はダイス
穴、１１は堤部、１２は鋭角刃である。 The drawings show one embodiment of the present invention, in which Fig. 1 is a longitudinal sectional view, Figs. 2 and 3 are longitudinal sectional views of main parts sequentially showing the punching process, and Fig. 4 is a diagram after the punching process. FIG. 3 is a longitudinal cross-sectional view of the plate material. In the figure, 2 is a punch, 3 is a stripper plate,
6 is a die, 7 is a plate material, 8 is a punching hole, 9 is a die hole, 11 is a bank, and 12 is an acute-angled blade.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ダイスのダイス穴とポンチとの協働によつて板
材に打抜孔を形成するものにおいて、前記ダイス
穴の周縁部を、外側方がテーパ状をなす堤部を有
する鋭角刃に形成し、この鋭角刃の堤部により打
抜き加工過程で前記ダイス側に押圧される前記板
材に前記打抜孔の開口周縁部の面取り加工を施す
ようにしたことを特徴とする打抜型装置。 In a device for forming a punched hole in a plate material by cooperation of a die hole of a die and a punch, the peripheral edge of the die hole is formed into an acute-angled blade having a bank portion tapered on the outside. A punching die device, characterized in that a peripheral edge of the opening of the punching hole is chamfered on the plate material that is pressed toward the die side during the punching process by a bank of a blade.
JP14024486U 1986-09-12 1986-09-12 Pending JPS6347028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14024486U JPS6347028U (en) 1986-09-12 1986-09-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14024486U JPS6347028U (en) 1986-09-12 1986-09-12

Publications (1)

Publication Number Publication Date
JPS6347028U true JPS6347028U (en) 1988-03-30

Family

ID=31046910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14024486U Pending JPS6347028U (en) 1986-09-12 1986-09-12

Country Status (1)

Country Link
JP (1) JPS6347028U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005178215A (en) * 2003-12-19 2005-07-07 Kyocera Corp Punching device for ceramic green sheet

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5065988A (en) * 1973-10-17 1975-06-03
JPS52103789A (en) * 1976-02-27 1977-08-31 Toyo Seimitsu Press Kogyo Kk Method of and apparatus for stamping article having portions requiring secondary machining

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5065988A (en) * 1973-10-17 1975-06-03
JPS52103789A (en) * 1976-02-27 1977-08-31 Toyo Seimitsu Press Kogyo Kk Method of and apparatus for stamping article having portions requiring secondary machining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005178215A (en) * 2003-12-19 2005-07-07 Kyocera Corp Punching device for ceramic green sheet

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