JPS57190734A - Punching device for impeller shell - Google Patents

Punching device for impeller shell

Info

Publication number
JPS57190734A
JPS57190734A JP56077084A JP7708481A JPS57190734A JP S57190734 A JPS57190734 A JP S57190734A JP 56077084 A JP56077084 A JP 56077084A JP 7708481 A JP7708481 A JP 7708481A JP S57190734 A JPS57190734 A JP S57190734A
Authority
JP
Japan
Prior art keywords
cam
punch
driver
drivers
worked
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
JP56077084A
Other languages
Japanese (ja)
Other versions
JPS595371B2 (en
Inventor
Yoshiaki Ueda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Exedy Corp
Original Assignee
Daikin Manufacturing Co Ltd
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 Daikin Manufacturing Co Ltd filed Critical Daikin Manufacturing Co Ltd
Priority to JP56077084A priority Critical patent/JPS595371B2/en
Publication of JPS57190734A publication Critical patent/JPS57190734A/en
Publication of JPS595371B2 publication Critical patent/JPS595371B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/32—Perforating, i.e. punching holes in other articles of special shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

PURPOSE:To simplify working and improve work efficiency by using four cam drivers to drive many cams and providing a cam guide groove in only one cam driver. CONSTITUTION:When a punch holder 25 is lowered, a member 17 fixes a shell 1 to a member 10 and sets it to a die 3. Then, the fourth cam driver 44 abuts on a stopper 71 and projections 32, 35 of a punch come into contact with worked parts 30, 33. Further, only the first and second cam drivers 41, 42 come down while the third and fourth cam drivers are at a stand-still. Pressing force is applied from the first cam driver 41 to the upper face of the first cam part 37 that fits to a groove 49, and the second cam part 38 moves on the faces 59, 60. The cam 36 and punch 31 shift in the direction F, and the projection of a punch 32 forms a concavity on the worked part 30. A punch 34 lowers together with the first cam driver 41 and a concavity is formed on the worked part 33 by the projection of the punch 35.
JP56077084A 1981-05-20 1981-05-20 Punching device for impera shell Expired JPS595371B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56077084A JPS595371B2 (en) 1981-05-20 1981-05-20 Punching device for impera shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56077084A JPS595371B2 (en) 1981-05-20 1981-05-20 Punching device for impera shell

Publications (2)

Publication Number Publication Date
JPS57190734A true JPS57190734A (en) 1982-11-24
JPS595371B2 JPS595371B2 (en) 1984-02-04

Family

ID=13623907

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56077084A Expired JPS595371B2 (en) 1981-05-20 1981-05-20 Punching device for impera shell

Country Status (1)

Country Link
JP (1) JPS595371B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5982644A (en) * 1983-06-08 1984-05-12 Konishiroku Photo Ind Co Ltd Recording medium of optical information

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5982644A (en) * 1983-06-08 1984-05-12 Konishiroku Photo Ind Co Ltd Recording medium of optical information

Also Published As

Publication number Publication date
JPS595371B2 (en) 1984-02-04

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