Title:
【発明の名称】インペラシエル用パンチング装置
Document Type and Number:
Japanese Patent JPS595371
Kind Code:
B2
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.
Inventors:
UEDA YOSHIAKI
Application Number:
JP7708481A
Publication Date:
February 04, 1984
Filing Date:
May 20, 1981
Export Citation:
Assignee:
DAIKIN MFG CO LTD
International Classes:
B21D28/34; B21D22/02; B21D28/32; B21D31/00; B21D37/08; (IPC1-7): B21D31/00; B21D22/04; B21D37/08
Attorney, Agent or Firm:
Tadataka Omori
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