Invention Grant
- Patent Title: Slide cushion device of press machine
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Application No.: US15366237Application Date: 2016-12-01
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Publication No.: US09808849B2Publication Date: 2017-11-07
- Inventor: Yasuyuki Kohno
- Applicant: AIDA ENGINEERING, LTD.
- Applicant Address: JP Kanagawa
- Assignee: AIDA ENGINEERING, LTD.
- Current Assignee: AIDA ENGINEERING, LTD.
- Current Assignee Address: JP Kanagawa
- Agency: McDermott Emery & Will LLP
- Priority: JP2015-234450 20151201
- Main IPC: B21D24/08
- IPC: B21D24/08 ; B21D24/02 ; B21D24/14

Abstract:
A slide cushion device includes: a hydraulic cylinder group integrally formed in a board provided immediately below a slide; a pressing member that is disposed in a recessed portion of an upper die that vertically moves together with the slide, in a vertically movable manner; a plurality of slide cushion pins that is provided in the pressing member and penetrates the upper die to be brought into contact with a piston member of the hydraulic cylinder group, wherein a number of the cushion pins is less than a number of hydraulic cylinders disposed in a plane of projection of the recessed portion; and a slide cushion hydraulic device that controls hydraulic pressure to be supplied to a compression chamber of the hydraulic cylinder with which a slide cushion pin is to be brought into contact.
Public/Granted literature
- US20170151600A1 SLIDE CUSHION DEVICE OF PRESS MACHINE Public/Granted day:2017-06-01
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