US 12,280,463 B2
Workpiece delivery device
Kunihiro Ikeda, Hiroshima (JP)
Assigned to HORKOS CORP, Hiroshima (JP)
Appl. No. 17/299,382
Filed by HORKOS CORP, Hiroshima (JP)
PCT Filed Nov. 19, 2019, PCT No. PCT/JP2019/045216
§ 371(c)(1), (2) Date Jun. 3, 2021,
PCT Pub. No. WO2020/129520, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 2018-240386 (JP), filed on Dec. 21, 2018.
Prior Publication US 2022/0032415 A1, Feb. 3, 2022
Int. Cl. B23Q 7/04 (2006.01); B25J 9/04 (2006.01); B25J 9/10 (2006.01); B25J 18/04 (2006.01)
CPC B23Q 7/046 (2013.01) [B25J 9/04 (2013.01); B25J 9/10 (2013.01); B25J 18/04 (2013.01); B23Q 2210/006 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A workpiece delivery device that unloads a workpiece from a table on one side and loads the workpiece to a table on the other side between machine tools constituting a line, between the machine tool and a non-machining station, or between non-machining stations, the workpiece delivery device comprising:
a base;
a turning center part provided on the base;
a turning arm that horizontally turns above and in front of the machine tool and the non-machining station about an axis of the turning center part;
a workpiece hand that is suspended and supported by a tip portion of the turning arm;
a track turning mechanism that determines a conveyor track of the workpiece; and
a rotation control mechanism that controls an orientation of the workpiece hand, wherein
the track turning mechanism has a turning drive part, a track turning transmission part, and a track guide part,
the rotation control mechanism has a rotation restriction transmission part, a rotation control part, and a rotation restriction receiving part,
the turning center part, the turning drive part, the track turning transmission part, the rotation restriction transmission part, and the rotation restriction receiving part are provided on the turning arm,
at least one of the track guide part and the rotation control part is provided on the base,
the rotation restriction receiving part is provided on a workpiece hand support shaft that rotatably supports the workpiece hand,
the rotation restriction transmission part and the rotation restriction receiving part are connected to each other by a connection part,
the track guide part includes a track guide plate; and a track guide hole or a track guide groove provided in the track guide plate,
the track turning transmission part is engaged with the track guide hole or the track guide groove,
the rotation control part includes a rotation control plate; and a rotation control hole or a rotation control groove provided in the rotation control plate, and
the rotation restriction transmission part is engaged with the rotation control hole or the rotation control groove,
wherein the track guide plate is directly and at least partially above the rotation control plate in an up-down direction.