Title:
UPPER DIE HOLDER AND PRESS MACHINE
Document Type and Number:
Japanese Patent JP2015071170
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce manufacturing cost and the occurrences of failure by reducing the number of the components of a movable member.SOLUTION: An upper die holder 50 is provided that includes a pair of clamp members 52 and 53 which are arranged on two sides with a support part 51 between the clamp members and which move in a direction to approach or leave the support part 51 and that clamps an upper die 29 using the support part 51 and the clamp members 52 and 53. The upper die holder 50 further includes: a piston member 54 arranged movably so as to penetrate the support part 51 and attached to one of the paired clamp members 52 and 53; a cylinder part 53a formed in the other of the clamp members 52 and 53 and allowing a portion of the piston member 54 to slide therein; and a drive mechanism 55 for moving the piston member 54 to and from the cylinder part 53a. In the piston member 54, a step part 54a protruding from the side face is formed, and in the support part 51, a latching part 51c is formed which latches the step part 54a to thereby regulate the advancement of the piston member 54.
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Inventors:
WATANABE AKIYASU
HAYASHI MASAAKI
HAYASHI MASAAKI
Application Number:
JP2013207058A
Publication Date:
April 16, 2015
Filing Date:
October 02, 2013
Export Citation:
Assignee:
MURATA MACHINERY LTD
International Classes:
B21D37/14; B21D5/02
Domestic Patent References:
| JPS6229821U | 1987-02-23 | |||
| JPS6449318U | 1989-03-27 | |||
| JPH11244945A | 1999-09-14 | |||
| JP2013086149A | 2013-05-13 |
Attorney, Agent or Firm:
Kazuya Nishi
Tomihiko Isono
Tomihiko Isono