Positioning mechanism for laser welding of body-in-white water falling groove

The utility model provides a positioning mechanism for laser welding of a water falling groove of a body in white, which comprises a machine body, an overturning arm, a driving component, a pressing block fixed at the bottom of the overturning arm, a control component arranged on the machine body and a clamping component mounted on the overturning arm, the machine body comprises a support, a plurality of bottom supports, a water falling groove supporting piece and a side wall outer plate supporting piece, the water falling groove supporting piece and the side wall outer plate supporting piece are installed on the bottom supports, the support is hinged to the overturning arm, and the driving assembly is connected with the overturning arm. According to the device, the water falling groove and the side wall outer plate are placed on the water falling groove supporting piece and the side wall outer plate supporting piece respectively, the driving assembly drives the overturning arm to overturn, and the pressing b