JPS61158322U - - Google Patents

Info

Publication number
JPS61158322U
JPS61158322U JP4174585U JP4174585U JPS61158322U JP S61158322 U JPS61158322 U JP S61158322U JP 4174585 U JP4174585 U JP 4174585U JP 4174585 U JP4174585 U JP 4174585U JP S61158322 U JPS61158322 U JP S61158322U
Authority
JP
Japan
Prior art keywords
punch
workpiece
breakage
detection device
detection
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
JP4174585U
Other languages
Japanese (ja)
Other versions
JPH0349769Y2 (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 JP4174585U priority Critical patent/JPH0349769Y2/ja
Publication of JPS61158322U publication Critical patent/JPS61158322U/ja
Application granted granted Critical
Publication of JPH0349769Y2 publication Critical patent/JPH0349769Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Punching Or Piercing (AREA)

Description

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

第１図はこの考案にかかるパンチの折損検出装
置を適用したプレス装置の一例を示す概略正面図
、第２図はパンチの取付構造の一例を示す拡大断
面図、第３図は折損検出回路図、第４図はワーク
打抜き時の説明断面図、第５図はパンチの折損に
よる加工もれ状態を示す一部正面図、第６図はワ
ークに対するマグネツトの吸着状態の一例を示す
拡大断面図である。 １……プレス装置、３……固定部、５……パン
チ、６……電気絶縁部材、１５……マグネツト、
１７……ストローク前端検出装置、１８……折損
検出回路。 Fig. 1 is a schematic front view showing an example of a press machine to which the punch breakage detection device according to the invention is applied, Fig. 2 is an enlarged sectional view showing an example of a punch mounting structure, and Fig. 3 is a breakage detection circuit diagram. , FIG. 4 is an explanatory cross-sectional view when punching a workpiece, FIG. be. DESCRIPTION OF SYMBOLS 1...Press device, 3...Fixing part, 5...Punch, 6...Electric insulation member, 15...Magnet,
17... Stroke front end detection device, 18... Breakage detection circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] パンチがプレス装置に電気絶縁部材を介して取
り付けられ、上記プレス装置のストローク前端位
置を検出するストローク前端検出装置が設けられ
、このストローク前端検出装置の検出信号入力時
にパンチとワークの通電状態を検知して上記パン
チの折損を検出する折損検出回路が設けられてお
り、上記ワーク側の検出リード線はワークが載置
される固定部に所定移動量出没可能なマグネツト
に接続されていることを特徴とするパンチの折損
検出装置。 A punch is attached to a press device via an electrically insulating member, and a stroke front end detection device is provided to detect a stroke front end position of the press device, and when a detection signal is input to the stroke front end detection device, the energization state of the punch and the workpiece is detected. A breakage detection circuit is provided to detect breakage of the punch, and the detection lead wire on the workpiece side is connected to a magnet that can be moved a predetermined amount into and out of a fixed part on which the workpiece is placed. Punch breakage detection device.
JP4174585U 1985-03-22 1985-03-22 Expired JPH0349769Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4174585U JPH0349769Y2 (en) 1985-03-22 1985-03-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4174585U JPH0349769Y2 (en) 1985-03-22 1985-03-22

Publications (2)

Publication Number Publication Date
JPS61158322U true JPS61158322U (en) 1986-10-01
JPH0349769Y2 JPH0349769Y2 (en) 1991-10-24

Family

ID=30551856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4174585U Expired JPH0349769Y2 (en) 1985-03-22 1985-03-22

Country Status (1)

Country Link
JP (1) JPH0349769Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019166571A (en) * 2018-03-22 2019-10-03 日本製鉄株式会社 Shear processing method and shear processing device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102596574B1 (en) * 2021-11-16 2023-10-31 한국생산기술연구원 Method and apparatus for determining in real time when to regrind a punch in a press mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019166571A (en) * 2018-03-22 2019-10-03 日本製鉄株式会社 Shear processing method and shear processing device

Also Published As

Publication number Publication date
JPH0349769Y2 (en) 1991-10-24

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