Patent ID: 6352498
Filing Date: 2002-03-05
Classification: B31B

Abstract:
A material picking and forming device for an automatic circulating carton opening machine, comprising a material picking device and a forming device both fixed on an intermediate portion of a table of an automatic circulating carton opening machine, said material picking device having a revolving unit, said forming device having a material guide plate;said revolving unit including a vertical support rod, a shaft fixed on said support rod and rotated by a motor, a transmitting gear and a swinging arm fixed at one end of said shaft, a rotatable gear unit positioned respectively at two sides of said swinging arm and said transmitting gear, each said rotatable gear having a connect gear engaging with said transmitting gear and with a middle gear, a transmitting belt wheel disposed adjacent said middle gear, a timing belt connected between said transmitting belt wheel and belt wheels at two ends of said swinging arm, said belt wheels having a shaft and a rotatable joint fitting in said shaft to combine with two parallel arms of the same structure, arm rods of said two parallel arms having one end fixed with an air pressure cylinder, each said air pressure cylinder having an output shaft for pushing a material sucking disc, each said sucking disc being operable to pick a carton material board out of a material feed device; said forming guide plate fixed on an intermediate portion of a table of said carton opening machine in front of said revolving unit, positioned at one side of a moving route of said sucking discs at two opposite ends of said swinging arm, having a front curved out guide section and a flat section extending from said curved out guide section for forming cartons; said parallel arms and said sucking discs moving horizontally by the operation of said rotatable gear unit and alteration of teeth proportion when said swing arm swings, said sucking discs alternately picking a carton material board and carrying it to said forming guide plate, said carton material board lying on said forming guide plate to become a carton to thereby increase the speed of the material picking and carton forming operation of said automatic carton forming machine.