POSITIONING TOOL, POSITIONING PIN TIGHTENING FIXING STRUCTURE, AND POSITIONING METHOD

To regulate a positioning pin to be used when mounting a workpiece in a carriage 10 in a state of holding the workpiece at a prescribed position and posture to the prescribed position and posture with respect to the carriage 10.SOLUTION: A positioning tool 11 includes: a tool support member 13 which has a mounting surface 13a parallel to an installation floor surface of a carriage 10; first tool 15 and a second tool 17 which are provided at prescribed positions of the mounting surface 13a of the tool support member 13 so as to regulate a positioning pin 19 to a normative position and posture; and a first posture adjustment mechanism 16 for adjusting a first posture to be a posture of the first tool 15 with respect to the mounting surface 13a. The first tool 15 has a storage hole section 15d into which the second tool 17 holds the first posture and is inserted. The second tool 17 has a through-hole 17d into which a pin section 19a provided in the positioning pin 19 is stored in a penetration state. The first posture is adjusted in accordance with the normative posture using the first posture adjustment mechanism 16.SELECTED DRAWING: Figure 6B 【課題】ワークを所定の位置及び姿勢に保持した状態で台車１０に載置する際に用いる位置決めピンを、台車１０に対する所定の位置及び姿勢に規制する。【解決手段】位置決め治具１１は、台車１０の設置床面に対して平行な取付面１３ａを有する治具支持部材１３と、治具支持部材１３の取付面１３ａのうち所定の位置に設けられ、位置決めピン１９を規範となる位置及び姿勢に規制するための第１治具１５及び第２治具１７と、取付面１３ａに対する第１治具１５の姿勢である第１姿勢を調整するための第１姿勢調整機構１６と、を備える。第１治具１５は、第２治具１７が第１姿勢を保持して挿し込み収容される収容孔部１５ｄを備える。第２治具１７は、位置決めピン１９に備わるピン部１９ａを貫通状態で収容する貫通口１７ｄを備える。第１姿勢が、第１姿勢調整機構１６を用いて前記規範となる姿勢に倣って調整される。【選択図】図６Ｂ