JP2012210662A5 - - Google Patents

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Publication number
JP2012210662A5
JP2012210662A5 JP2012176543A JP2012176543A JP2012210662A5 JP 2012210662 A5 JP2012210662 A5 JP 2012210662A5 JP 2012176543 A JP2012176543 A JP 2012176543A JP 2012176543 A JP2012176543 A JP 2012176543A JP 2012210662 A5 JP2012210662 A5 JP 2012210662A5
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Japan
Prior art keywords
cylindrical
punch
die
hole
metal
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JP2012176543A
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Japanese (ja)
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JP2012210662A (en
JP5678933B2 (en
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Priority claimed from JP2012176543A external-priority patent/JP5678933B2/en
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Publication of JP2012210662A5 publication Critical patent/JP2012210662A5/ja
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Claims (6)

柱状のパンチ本体と、この本体の一方の端面に一体的に設けられた突起とを具備しており、突起は、パンチ本体の一方の端面に底面及び頂面をもって一体的に設けられた柱状部と、この柱状部の頂面に一体的に設けられた錐状部とを具備しており、パンチ本体は、軸心に平行に伸びた筒面と、柱状部の底面を囲繞していると共に軸心に直交して伸びた環状面と、この環状面の環状外縁から筒面の環状縁まで伸びる湾曲面とを具備しており、 前記突起により薄板金属に突き破り孔を明け、突き破り孔に挿入された突起の柱状部で薄板金属の移動を規制した状態で更にパンチをダイスの筒状内面により規定された孔に、当該ダイスの孔の一端から挿入することにより、パンチ本体の筒面とダイスの筒状内面との間でダイスの孔の一端を規定するダイスの筒状内面の環状縁の周りで薄板金属を破断させて薄板金属に貫通孔を形成するようになっており、パンチ本体の筒面とダイスの筒状内面との間の筒状隙間は、薄板金属の厚みをｔとすると、０．１５ｔ以上であって、２ｍｍ以下である薄板金属の孔明け装置に用いる薄板金属の孔明け用のパンチ。 A columnar punch main body and a protrusion integrally provided on one end surface of the main body, and the protrusion is a columnar portion integrally provided with a bottom surface and a top surface on one end surface of the punch main body. And a conical portion integrally provided on the top surface of the columnar portion, and the punch body surrounds the cylindrical surface extending parallel to the axis and the bottom surface of the columnar portion. It has an annular surface extending perpendicularly to the axis and a curved surface extending from the annular outer edge of this annular surface to the annular edge of the cylindrical surface, and a piercing hole is drilled in the sheet metal by the projection and inserted into the piercing hole. The punch is inserted into the hole defined by the cylindrical inner surface of the die while the movement of the sheet metal is restricted by the columnar portion of the protrusion, and the cylindrical surface of the punch body and the die are inserted into the hole defined by the cylindrical inner surface of the die. A die that defines one end of the die hole between The thin sheet metal is broken around the annular edge of the cylindrical inner surface of the chair to form a through hole in the thin sheet metal, and the cylindrical gap between the cylindrical surface of the punch body and the cylindrical inner surface of the die is When the thickness of the sheet metal and t, be more than 0.15 t, punch for punching the sheet metal that are use to punch apparatus of sheet metal is 2mm or less. 円柱状のパンチ本体と、このパンチ本体の一方の円形端面に一体的に設けられた突起とを具備しており、突起は、パンチ本体の一方の円形端面に、当該円形端面と同心に配されている円形底面及び円形頂面をもって一体的に設けられた円柱状部と、この円柱状部の円形頂面に一体的に設けられた円錐状部とを具備しており、パンチ本体は、軸心に平行に伸びた円筒面と、円柱状部の円形底面を囲繞していると共に軸心に直交して伸びた円環状面と、この円環状面の円環状外縁から円筒面の円環状縁まで伸びる湾曲面とを具備しており、前記突起により薄板金属に突き破り孔を明け、突き破り孔に挿入された突起の円柱状部で薄板金属の移動を規制した状態で更にパンチをダイスの円筒内面により規定された円孔に、当該円孔の一端から挿入することにより、パンチ本体の円筒面とダイスの円筒内面との間でダイスの円孔の一端を規定するダイスの円筒状内面の円環状縁の周りで薄板金属を破断させて薄板金属に貫通孔を形成するようになっており、パンチ本体の円筒面とダイスの円筒状内面との円筒状隙間は、薄板金属の厚みをｔとすると、０．１５ｔ以上であって、２ｍｍ以下である薄板金属の孔明け用のパンチ。A cylindrical punch body and a protrusion integrally provided on one circular end surface of the punch body are provided, and the protrusion is arranged on one circular end surface of the punch body concentrically with the circular end surface. A cylindrical portion integrally provided with a circular bottom surface and a circular top surface, and a conical portion integrally provided on the circular top surface of the cylindrical portion. A cylindrical surface extending parallel to the center, an annular surface surrounding the circular bottom surface of the columnar part and extending perpendicular to the axis, and an annular edge of the cylindrical surface from the annular outer edge of the annular surface A cylindrical surface of the die in which the punch is further drilled in the thin plate metal by the projection and the movement of the thin plate metal is restricted by the cylindrical portion of the projection inserted into the breakthrough hole. Is inserted into one of the holes defined by By cutting the sheet metal around the annular edge of the cylindrical inner surface of the die that defines one end of the circular hole of the die between the cylindrical surface of the punch body and the cylindrical inner surface of the die, the through hole is formed in the sheet metal. The cylindrical gap between the cylindrical surface of the punch body and the cylindrical inner surface of the die is 0.15 t or more and 2 mm or less, where t is the thickness of the thin metal. Punch for punching. パンチ本体の半径をｒ１、湾曲面の曲率半径をｒ２、円柱状部の半径をｒ３及び円柱状部の高さをｈとした場合、ｒ３＜ｒ１−ｒ２であって、ｈ＞ｔ＋ｒ３である請求項２に記載のパンチ。When the radius of the punch body is r1, the radius of curvature of the curved surface is r2, the radius of the cylindrical portion is r3, and the height of the cylindrical portion is h, r3 <r1-r2 and h> t + r3. Item 3. The punch according to Item 2. パンチ本体の直径は、１ｍｍから２５ｍｍ、１ｍｍから１０ｍｍ又は１ｍｍから５ｍｍの範囲である請求項２又は３に記載のパンチ。The punch according to claim 2 or 3, wherein a diameter of the punch body is in a range of 1 mm to 25 mm, 1 mm to 10 mm, or 1 mm to 5 mm. 請求項２から４のいずれか一項に記載の薄板金属の孔明け用のパンチと、このパンチが挿入される円孔を有したダイスとを具備している薄板金属の孔明け装置。A sheet metal drilling device comprising the punch for punching a sheet metal according to any one of claims 2 to 4, and a die having a circular hole into which the punch is inserted. 請求項５に記載の薄板金属の孔明け装置により薄板金属に貫通孔を形成する方法であって、突起により薄板金属に突き破り孔を明け、突き破り孔に挿入された突起の円柱状部で薄板金属の移動を規制した状態で更にパンチをダイスの円孔に、当該円孔の一端から挿入することにより、パンチ本体の円筒面とダイスの円筒内面との間でダイスの円孔の一端を規定するダイスの円筒状内面の円環状縁の周りで薄板金属を破断させて薄板金属に貫通孔を形成する方法であって、パンチ本体の円筒面とダイスの円筒状内面との円筒状隙間は、薄板金属の厚みをｔとすると、０．１５ｔ以上であって、２ｍｍ以下である方法。6. A method of forming a through-hole in a thin metal sheet by the thin metal punching device according to claim 5, wherein a through-hole is formed in the thin metal sheet by a protrusion, and the cylindrical portion of the protrusion inserted into the through-hole is formed in the thin metal sheet. In a state where the movement of the die is restricted, the punch is further inserted into the circular hole of the die from one end of the circular hole, thereby defining one end of the circular hole of the die between the cylindrical surface of the punch body and the cylindrical inner surface of the die. A method of forming a through hole in a thin metal sheet by breaking a thin metal sheet around an annular edge of a cylindrical inner surface of a die, wherein the cylindrical gap between the cylindrical surface of the punch body and the cylindrical inner surface of the die is a thin plate A method in which the thickness of the metal is 0.15 t or more and 2 mm or less, where t is the thickness of the metal.
JP2012176543A 2012-08-08 2012-08-08 Sheet metal drilling device having punch for punching sheet metal Active JP5678933B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012176543A JP5678933B2 (en) 2012-08-08 2012-08-08 Sheet metal drilling device having punch for punching sheet metal

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Application Number Priority Date Filing Date Title
JP2012176543A JP5678933B2 (en) 2012-08-08 2012-08-08 Sheet metal drilling device having punch for punching sheet metal

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2006343597A Division JP2008155216A (en) 2006-12-20 2006-12-20 Punch for punching sheet metal, sheet metal punching device provided with the punch, and method therefor

Publications (3)

Publication Number Publication Date
JP2012210662A JP2012210662A (en) 2012-11-01
JP2012210662A5 true JP2012210662A5 (en) 2013-07-04
JP5678933B2 JP5678933B2 (en) 2015-03-04

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JP2012176543A Active JP5678933B2 (en) 2012-08-08 2012-08-08 Sheet metal drilling device having punch for punching sheet metal

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109243800B (en) * 2018-10-20 2021-08-17 天水二一三电器集团有限公司 Moving armature and machining method of moving armature center boss
FR3098444B1 (en) * 2019-07-08 2021-10-01 Soc Internationale Pour Le Commerce Et Lindustrie A method of reinforcing a panel and a method of manufacturing a composite panel implementing such a method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0395123U (en) * 1990-01-08 1991-09-27
JP3372315B2 (en) * 1992-12-07 2003-02-04 富士写真フイルム株式会社 Perforator
JPH0654424U (en) * 1992-12-25 1994-07-26 日野自動車工業株式会社 Countersink punch
JP4556326B2 (en) * 2000-11-19 2010-10-06 株式会社ワンズ Press punching method and press die for sheet metal
ES2338327T3 (en) * 2003-04-30 2010-05-06 Ones Co., Ltd. PUNCH FOR SLIM METAL SHEET AND PUNCH DEVICE FOR SLIM METALLIC SHEET WITH SUCH PUNCH.
JP4775782B2 (en) * 2004-03-17 2011-09-21 株式会社ワンズ Drilling device

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