US 11,890,829 B2
Cardboard box dividing device and cardboard box production device
Takanori Iwai, Hyogo (JP); Naoki Shigeyama, Hyogo (JP); Masakazu Ohira, Hyogo (JP); and Yasunari Suzuki, Hyogo (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD., Hyogo (JP)
Appl. No. 16/771,716
Filed by MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD., Hyogo (JP)
PCT Filed Dec. 15, 2017, PCT No. PCT/JP2017/045213
§ 371(c)(1), (2) Date Jun. 11, 2020,
PCT Pub. No. WO2019/116579, PCT Pub. Date Jun. 20, 2019.
Prior Publication US 2020/0398514 A1, Dec. 24, 2020
Int. Cl. B26D 7/01 (2006.01); B31B 50/20 (2017.01); B26D 7/06 (2006.01); B26D 7/32 (2006.01)
CPC B31B 50/20 (2017.08) [B26D 7/015 (2013.01); B26D 7/0675 (2013.01); B26D 2007/322 (2013.01); B65H 2301/4229 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A cardboard box dividing device for cutting and dividing, along a width direction intersecting with a transport direction, a connected cardboard box laminate in which a plurality of connected cardboard box bodies continuous along the transport direction are stacked in a thickness direction, the cardboard box dividing device comprising:
a lower conveyor on which the plurality of connected cardboard box bodies are stacked and transported;
a press pressing, from above, the plurality of connected cardboard box bodies stacked on the lower conveyor;
a cutting knife disposed along the width direction and dividing the plurality of connected cardboard box bodies stacked on the lower conveyor into a front part and a rear part; and
a lift lifting and lowering the lower conveyor and the press,
wherein the lift has
a lifting and lowering base connected to the lower conveyor and the press, and
a lifting and lowering driver connected to a device frame for lifting and lowering the lifting and lowering base,
the press has
a sub-press supported by the lifting and lowering base so as to be movable along an up-down direction, and
a pressing driver connected to the press for moving the sub-press,
the lifting and lowering base is connected to connecting members, and the connecting members are connected to the lower conveyor,
the pressing driver connects the lifting and lowering base to the press,
the lifting and lowering driver lifts and lowers the lifting and lowering base to lift and lower the lower conveyor connected to the connecting members and the press connected to the lifting and lowering base by the pressing driver,
the lifting and lowering driver expands during cutting of the plurality of connected cardboard box bodies and contracts after finishing cutting of the plurality of connected cardboard box bodies, and
the pressing driver supports the plurality of connected cardboard box bodies by the press during cutting of the plurality of connected cardboard box bodies.