Flatness detection equipment for precision parts

The utility model discloses flatness detection equipment for precision parts, which belongs to the technical field of precision detection and comprises a frame base, and a horizontal positioning component is mounted at the top of the frame base. A vertical positioning assembly is mounted at the top of the rack base; the top of the horizontal positioning assembly is provided with a detection assembly. The top of the vertical positioning assembly is provided with a magnetometer. The detection assembly comprises a first motor, a third threaded rod, a pushing rod, a rotary detection assembly, a transmission structure, a clamping assembly, a rotary interface mechanism and a limiting plate; the first motor is fixedly connected to the top of the supporting plate. The output end of the first motor is in transmission connection with the third threaded rod through a transmission structure. Two ends of the third threaded rod are connected with pushing rods, the pushing rod on the right side is movably connected with the