In the bag bottom cradle device in the traffic circle die sack justification

摘要

PROBLEM TO BE SOLVED: To provide a bag base bearer device in a rotary bag-filling and packaging machine wherein a large impact caused by a bag which contains contents does not act on a bag holder while a rotary table is rotating or when it starts and stops rotating. ;SOLUTION: A rotary rail 33 which rotates around the same axial core as that of the rotary table 7 is placed below the table. A bearer 57 is provided so that a slide block 71 attached to a bearer bracket 67 is vertically guided by a guide rail 73 mounted on the rotary rail and also the bearer rotates integrally with the rotary rail. A bearer lift cam 79 including cam surfaces which displace vertically is provided along a circumferential direction of the rotary rail, and a roller 83 mounted on the bearer bracket is mounted on the cam 79 to roll, whereby the bearer rises/lowers to support a base of the bag in required processes.;COPYRIGHT: (C)2001,JPO