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Title:
CARDBOARD SHEET-CUTTING DEVICE, CUTTING CONTROL UNIT THEREFOR, AND CARDBOARD SHEET-MANUFACTURING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/026135
Kind Code:
A1
Abstract:
Regarding a cardboard sheet-cutting device, a cardboard sheet-cutting control unit and a cardboard sheet-manufacturing apparatus, the present invention makes continuous cutting possible during job changes, in which the cardboard sheet cutting width changes, without stopping conveyance of the cardboard sheets, limits broke generation and makes production cost reduction possible by providing: a printing unit (21) for printing cutting marks (M) on a double-faced cardboard sheet (E); a slitter scorer (23) for cutting the double-faced cardboard sheet (E) to a specified width; a cutoff (24) for cutting the double-faced cardboard sheet (E) to a specified length; a mark detector (40) for detecting cutting marks (M); a movement unit (41) for moving the mark detector (40) along the width direction of the double-faced cardboard sheet (E); and a cutting control unit (52) for performing control to actuate the cutoff (24) on the basis of the detection results of the mark detector (40) and moving the mark detector (40) using the movement unit (41) on the basis of job-change timing data and post-job change mark position information.

Inventors:
SENOO, Shinichiro (1-1, Itosakiminami 1-chome, Mihara-sh, Hiroshima 93, 〒7290393, JP)
Application Number:
JP2016/055489
Publication Date:
February 16, 2017
Filing Date:
February 24, 2016
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES PRINTING & PACKAGING MACHINERY, LTD. (1-1 Itosakiminami 1-chome, Mihara-shi Hiroshima, 93, 〒7290393, JP)
International Classes:
B26D5/00; B26D5/34; B26D11/00; B31F7/00
Foreign References:
JP2008207345A2008-09-11
JP2004082279A2004-03-18
JP2000202929A2000-07-25
Other References:
See also references of EP 3305486A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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