Title:
SHEET STACKING DEVICE, COUNTER EJECTOR, AND BOX MAKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/135587
Kind Code:
A1
Abstract:
Provided are a sheet stacking device, a counter ejector, and a box making machine that are provided with: a hopper (21) in which flattened cardboard boxes (B) are stacked; feeding rolls (22) which feed the cardboard boxes (B) to the hopper (21); a first fan (52) which is disposed above the downstream side in the transfer direction of the cardboard boxes (B) in the hopper (21) and which presses the cardboard boxes (B) downward by blowing air thereto; a second fan (53) which is disposed above the upstream side in the transfer direction of the cardboard boxes (B) in the hopper (21) and which presses the cardboard boxes (B) downward by blowing air thereto; and a control device (24) which controls the operation of the first fan (52) so as to press the front end of each of the cardboard boxes (B) downward and which also controls the operation of the second fan (53) so as to press the rear end of each of the cardboard boxes (B) downward by a pressing force stronger than that exerted on the front end.
Inventors:
AKITA KAZUYA (JP)
SHIMOHATSUBO MAKOTO (JP)
TANIMOTO KOSHI (JP)
SHIMOHATSUBO MAKOTO (JP)
TANIMOTO KOSHI (JP)
Application Number:
PCT/JP2018/001411
Publication Date:
July 26, 2018
Filing Date:
January 18, 2018
Export Citation:
Assignee:
MITSUBISHI HEAVY IND MACH SYSTEMS LTD (JP)
International Classes:
B65H31/10; B31B50/04
Foreign References:
| JPH0222963U | 1990-02-15 | |||
| JP5773666B2 | 2015-09-02 | |||
| JPH05208774A | 1993-08-20 | |||
| JP5773666B2 | 2015-09-02 | |||
| JPH05208774A | 1993-08-20 |
Other References:
See also references of EP 3556695A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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