Apparatus for separating and stacking blanks of a die cut sheet

Details Apparatus for separating and stacking blanks of a die cut sheet Apparatus for separating and stacking blanks of a die cut sheet

1975-09-11

1977-09-13

Coan, James F.

Sheet feeding or delivering

Delivering

Rotary conveyor

93 93R, 271197, B31B 112, B31B 198

Patent

active

040474747

ABSTRACT:
An apparatus for separating a plurality of interconnected blanks formed in a sheet and for stacking the separate blanks in a plurality of designated stacks characterized by an input carrier receiving a sheet such as from a delivery end of a die cutting platen press and transports it to a separating unit which separates the interconnected blanks from each other and forms a flow having spaced rows of spaced blanks with the position and sequence of the blanks in the flow being the same as their position and sequence in the sheet. The stacking unit receives the flow and utilizes a suction unit for each of the rows in the flow which unit preferably comprises a belt of pervious material moving along a suction chamber to engage an upper surface of the blanks and transports the engaged blanks to a position above their respective designated stacks. At a position above the designated stacks, peeling devices such as lever arms cause the peeling of the blank from the suction unit to be deposited in a stack on a stack supporting member which is preferably mounted by an elevator structure to enable lowering the support to facilitate removal of the stacks formed thereon.

REFERENCES:
patent: 3583614 (1971-06-01), Foster, Jr.
patent: 3698708 (1972-10-01), Brawn
patent: 3774906 (1973-11-01), Fagan et al.
patent: 3820779 (1974-06-01), Bishop
patent: 3870213 (1975-03-01), Meylan
patent: 3918586 (1975-11-01), Tyler et al.

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