Automatic automobile paint spraying instrument

The invention discloses an automatic automobile paint spraying instrument. The automatic automobile paint spraying instrument comprises a portal frame, a sliding block, a push rod, a hydraulic cylinder, a first base plate, a roof top, a base, a series-parallel main body, an L arm and a U arm. The roof top with two degrees of freedom and an eight-axis linkage mechanism of a series-parallel mechanism with six degrees of freedom are connected in series to be used as a paint spraying robot, eight degrees of freedom are achieved, the working space is large, and paint spraying of various vehicle types and various automobile parts can be realized through programming; a working head nozzle is a small-area precise spray head, and the situations of paint diffusion and sight shielding in the operation similar to large-area paint spraying can be avoided; and the nozzle is provided with a laser sensor so that mistaken touching can be avoided. 本发明的种自动化汽车喷漆仪，包括龙门架、滑块、推杆、液压缸、第底盘、天台、底座、混联主体、L臂、U臂。两自由度天台串联六自由度的混联机构的八轴联动机构作为喷漆机