US 11,987,452 B2
Palletizing system and palletizing method
Sanato Nagata, Tokyo (JP); Kei Utsugi, Tokyo (JP); and Nobutaka Kimura, Tokyo (JP)
Assigned to HITACHI, LTD., Tokyo (JP)
Appl. No. 17/639,760
Filed by HITACHI, LTD., Tokyo (JP)
PCT Filed Mar. 13, 2020, PCT No. PCT/JP2020/011077
§ 371(c)(1), (2) Date Mar. 2, 2022,
PCT Pub. No. WO2021/181655, PCT Pub. Date Sep. 16, 2021.
Prior Publication US 2022/0289496 A1, Sep. 15, 2022
Int. Cl. B65G 43/10 (2006.01); B65G 1/00 (2006.01); B65G 43/08 (2006.01); B65G 57/24 (2006.01); B65G 47/51 (2006.01)
CPC B65G 43/10 (2013.01) [B65G 43/08 (2013.01); B65G 57/24 (2013.01); B65G 1/00 (2013.01); B65G 47/51 (2013.01); B65G 2201/0267 (2013.01); B65G 2203/0233 (2013.01); B65G 2203/0241 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A palletizing system comprising:
a first conveying device conveying a plurality of workpieces;
a sorting device changing the order of conveyance of the workpieces conveyed by the first conveying device;
a loading operation unit loading the workpieces sorted by the sorting device onto any of a plurality of loaded members by a robot; and
a second conveying device conveying the workpieces sorted by the sorting device toward the loading operation unit,
wherein the loaded members include a first loaded member and a second loaded member different from the first loaded member,
wherein the workpieces include a plurality of first workpieces of a first workpiece group to be loaded onto the first loaded member according to a first loading sequence and a plurality of second workpieces of a second workpiece group to be loaded onto the second loaded member according to a second loading sequence,
wherein on the first conveying device, the workpieces are arranged at random with respect to respective arrangement sequences of the first workpiece group and the second workpiece group and the classifications of the first workpiece group and the second workpiece group, and
wherein on the second conveying device, the workpieces of the first workpiece group are sequentially arranged based on the first loading sequence and the workpieces of the second workpiece group are sequentially arranged based on the second loading sequence, the workpieces of the first workpiece group and the second workpiece group being arranged together.