JPS60157100U - crank press - Google Patents

crank press

Info

Publication number
JPS60157100U
JPS60157100U JP4693384U JP4693384U JPS60157100U JP S60157100 U JPS60157100 U JP S60157100U JP 4693384 U JP4693384 U JP 4693384U JP 4693384 U JP4693384 U JP 4693384U JP S60157100 U JPS60157100 U JP S60157100U
Authority
JP
Japan
Prior art keywords
convex portion
bolster
formed around
grooves
mold
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
JP4693384U
Other languages
Japanese (ja)
Inventor
板谷　久平
久光　繁之
Original Assignee
住友金属工業株式会社
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 by 住友金属工業株式会社 filed Critical 住友金属工業株式会社
Priority to JP4693384U priority Critical patent/JPS60157100U/en
Publication of JPS60157100U publication Critical patent/JPS60157100U/en
Pending legal-status Critical Current

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  • Press Drives And Press Lines (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は一般的クランクプレスの概略説明図、第２図は
本考案の実施例の要部断面図である。′２はベッド、１
２は下金型、２２．２２はボルスタ、２４は凸部、２５
は上面側溝、２６は凹部、２７は下面側溝、Ｄは上下面
側溝底部間厚み寸法。FIG. 1 is a schematic explanatory diagram of a general crank press, and FIG. 2 is a sectional view of a main part of an embodiment of the present invention. '2 is the bed, 1
2 is the lower mold, 22.22 is the bolster, 24 is the convex part, 25
26 is the groove on the upper surface, 27 is the groove on the lower surface, and D is the thickness between the bottoms of the upper and lower side grooves.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 下金型を取付けるボルスタを１個又は複数個の部材によ
り構成し、このボルスタの前記下金型を直接取付する上
面部分を凸部としてその周囲に上面側溝を形成し、一方
前記凸部に対応する下面部゛を凹部として竺の周囲に下
面側溝を形成して１、この上下面側溝が対向するように
するとともに、その両溝底部間が所定の厚み寸法になる
ように構成−（、前記下金型に上金型を作用させる際に
所定の負荷以上の力が作用した場合にのみ前記ボルスタ
の上下面側溝部間で剪断破損を生じるようにしたことを
特徴とするクランクプレス。A bolster to which the lower mold is attached is constituted by one or more members, and an upper surface portion of the bolster to which the lower mold is directly attached is a convex portion, and an upper surface side groove is formed around the convex portion, and an upper side groove is formed around the convex portion, and the upper surface groove corresponds to the convex portion. A lower surface side groove is formed around the periphery of the screen by using the lower surface portion ``as a recessed portion'', and the upper and lower side grooves are arranged to face each other, and the distance between the bottoms of the grooves is a predetermined thickness dimension. A crank press characterized in that shear damage occurs between side grooves on the upper and lower surfaces of the bolster only when a force exceeding a predetermined load is applied when the upper mold is applied to the lower mold.
JP4693384U 1984-03-29 1984-03-29 crank press Pending JPS60157100U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4693384U JPS60157100U (en) 1984-03-29 1984-03-29 crank press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4693384U JPS60157100U (en) 1984-03-29 1984-03-29 crank press

Publications (1)

Publication Number Publication Date
JPS60157100U true JPS60157100U (en) 1985-10-19

Family

ID=30561791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4693384U Pending JPS60157100U (en) 1984-03-29 1984-03-29 crank press

Country Status (1)

Country Link
JP (1) JPS60157100U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020069510A (en) * 2018-10-31 2020-05-07 ジヤトコ株式会社 Stress dispersion structure for hot forging mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020069510A (en) * 2018-10-31 2020-05-07 ジヤトコ株式会社 Stress dispersion structure for hot forging mold

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