Carton forming apparatus with servo control

Details Carton forming apparatus with servo control Carton forming apparatus with servo control

B - Operations, Transporting

31

B

B31B 1/46 (2006.01) B31B 1/74 (2006.01) B31B 3/46 (2006.01) G05B 19/416 (2006.01)

Patent

CA 2049033

CARTON FORMING APPARATUS WITH SERVO CONTROL ABSTRACT An apparatus for forming paperboard cartons from flat blanks is provided. The carton blanks are fed from a magazine (25) to the face of a forming die (10), a reciprocating plunger (15) is provided to push the blank through the die forming the carton, and an endless conveyor (36) receives the carton after being stripped from the bottom of the die. A servo drive means for the plunger, blank feeder and conveyor are each independently driven by an infinitely variable speed electric motor. A programmable logic controller operates the servo drive means, whereby the plunger, feeder and conveyor can be infinitely varied to fit the forming action desired. The servo means preferably takes the form of a variable speed, electronic servo motor including an encoder and a tachometer feedback. Product sensor means detects product availability and carton sensor means detects carton availability with both sensor means also being controlled by the programmable logic controller.

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