Patent ID: 11890829
Assignee: MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 6:
7. 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,
a lifting and lowering driver connected to a device frame for lifting and lowering the lifting and lowering base, and
a first expanding and contracting device extending from the lifting and lowering driver and having a leading edge portion connected to the lifting and lowering base, (i) expanding during cutting of the plurality of connected cardboard box bodies, and (ii) contracting after finishing cutting of the plurality of connected cardboard box bodies,

the press has
a sub-press supported by the lifting and lowering base so as to be movable along an up-down direction,
a pressing driver connected to the press for moving the sub-press, and
a second expanding and contracting device extending from the lifting and lowering base, having a leading edge portion connected to the press, and supporting the plurality of connected cardboard box bodies by the press during cutting of the plurality of connected cardboard box bodies,

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, and
the lifting and lowering driver lifts and lowers the lifting and lowering base to lift and lower integrally the lower conveyor connected to the connecting members and the press connected to the lifting and lowering base by the pressing driver.