Title:
PRESS MOLD AND PRESS-PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2012/067122
Kind Code:
A1
Abstract:
This press mold (100) is equipped with a lower mold (101) that supports the work (W) and an upper mold (102) arranged opposing the lower mold (101). The lower mold (101) has a punch (120) used for draw forming, a blank holder (130) arranged so as to be capable of moving along the side faces of the draw-forming punch (120), and a cushion part (140) that biases the blank holder (130) toward the upper mold (102). The upper mold (102) has a die (160) used for draw forming, arranged opposing the draw-forming punch (120), and a trim part (180) arranged so as to be capable of moving along the side faces of the draw-forming die (160). The blank holder (130) is equipped with a first holder part (131) arranged opposing the end part (162) of the draw-forming die (160), and a second holder part (132) that is arranged opposing the trimming part (180) and is biased by the cushion part (140). The second holder part (132) has a support part (133) that is used for draw forming and supports a first part (131A) of the lower face of the first holder part (131). The draw-forming punch (120) has a support part (123) that is used for trim processing and supports a second part (131B) of the lower face of the first holder part (131). The first holder part (131) has a trimming lower blade (191) at the outer edge portion thereof. The trimming part (180) has a trimming upper blade (192) at the inner edge portion thereof.
Inventors:
EGUCHI HIROYUKI
MATSUDA TOSHIFUMI
SAITO KAZUYA
WATANABE JIRO
TESHIMA KOHEI
NAKAMURA MICHIO
NISHIDA MASAYASU
HASHIMOTO KEN
MATSUDA TOSHIFUMI
SAITO KAZUYA
WATANABE JIRO
TESHIMA KOHEI
NAKAMURA MICHIO
NISHIDA MASAYASU
HASHIMOTO KEN
Application Number:
PCT/JP2011/076317
Publication Date:
May 24, 2012
Filing Date:
November 15, 2011
Export Citation:
Assignee:
HONDA MOTOR CO LTD (JP)
EGUCHI HIROYUKI
MATSUDA TOSHIFUMI
SAITO KAZUYA
WATANABE JIRO
TESHIMA KOHEI
NAKAMURA MICHIO
NISHIDA MASAYASU
HASHIMOTO KEN
EGUCHI HIROYUKI
MATSUDA TOSHIFUMI
SAITO KAZUYA
WATANABE JIRO
TESHIMA KOHEI
NAKAMURA MICHIO
NISHIDA MASAYASU
HASHIMOTO KEN
International Classes:
B21D24/16; B21D22/20; B21D24/04; B21D37/08
Foreign References:
JP2004034145A | 2004-02-05 | |||
JPS623217U | 1987-01-10 | |||
JPH0417322U | 1992-02-13 |
Attorney, Agent or Firm:
MOTOYAMA Shinya et al. (JP)
Shinya Motoyama (JP)
Shinya Motoyama (JP)
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Claims:
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