Alignment fixture used for electronic component mounting apparatuses

The utility model provides an alignment fixture used for electronic component mounting apparatuses. With the alignment fixture adopted, alignment operation of the arrangement of the electronic component mounting apparatuses can be performed with high position accuracy. The alignment fixture comprises the following components of: a main body portion (2) which is provided with an abutting joint portion (a web 3b), wherein the abutting joint portion is in abutting joint with side surfaces of guide rails of substrate conveying devices, wherein the guide rails of the substrate conveying devices are installed on electronic component mounting apparatuses and are adopted as a reference for an arrangement direction in the electronic component mounting apparatuses; a laser irradiating portion (5) which makes the optical axis a of laser configured in a manner that the optical axis a of the laser faces the arrangement direction, and is provided with a light source having irradiating laser; and a laser rotation mechanism