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Patent Searching and Data


Title:
DEVICE FOR PUNCHING PLATE TO BE PUNCHED
Document Type and Number:
Japanese Patent JPH04178227
Kind Code:
A
Abstract:

PURPOSE: To easily punch the required punching pattern by punching the hole to the plate to be worked by controlling the punching punch individually based on the working data being binarized corresponding to the hole punching pattern.

CONSTITUTION: A punching punch 27-29 are attached in the punch holder freely movable upward and downward so the state that a top surface of the head part is become to almost same surface with the upper surface of the punch holder 22, many pieces of the pressurizing heads 36, 37 providing the head surfaces 36a, 37a which pressurize the head part of the punching punch 27 29 from the upper side on the punch holder 22 and the step parts 36b, 37b to release the pressurizing pressure are installed, on these each pressurizing heads, the pressurizing head driving means 9 which change each pressurizing head 36, 37 to either one side the head surfaces 36a, 37a or to the step parts 36b, 37b is respectively installed, this pressurizing head driving means 9 is controlled with the control circuit which generates the working data being binarized corresponding to the hole drilling pattern.


Inventors:
MAEDA AKIRA
TSUCHIYA KANICHI
Application Number:
JP30289290A
Publication Date:
June 25, 1992
Filing Date:
November 08, 1990
Export Citation:
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Assignee:
SANKYO KOUGIYOU KK
International Classes:
B41J3/38; B21D28/00; B21D28/24; B21D28/26; B26F1/04; B41K3/36; B44B5/00; B44B5/02; (IPC1-7): B21D28/00; B21D28/24; B26F1/04; B41J3/38; B41K3/36
Domestic Patent References:
JPS5517628U1980-02-04
JPS48104176A1973-12-27
Attorney, Agent or Firm:
Narushima Mitsuo