Intelligent all-in-one machine for weighing instrument precision machining

The utility model discloses an intelligent all-in-one machine for weighing instrument precision machining. Comprising a site fence, a multi-axis mechanical arm assembly, a plate taking and placing mechanical arm, a laser scribing mechanical arm, an automatic welding mechanical arm, a beam arm, rotary driving equipment, a first tailor-welding platform, a second tailor-welding platform, an electric control cabinet, a third tailor-welding platform, a fourth tailor-welding platform, splicing positioning holes, platform moving and replacing guide rails, driving wheel assemblies and strip-shaped holes. The tailor-welding platform is reasonable in structure, the function of alternately conducting splicing and welding is achieved, the multiple splicing positioning holes are formed in the tailor-welding platform, the fixing and positioning effect is achieved, a precise operation foundation is provided for follow-up laser scribing and welding, and the production efficiency is improved. The plate taking and placing mech