Universal gear grinding device for automobile steering gear rack

The invention relates to the technical field of automobile steering, in particular to an automobile steering device rack universal gear grinding device which comprises a working table top and a rotary working table mounted on the working table top, a mounting table is mounted at the working end of the rotary working table, and a plurality of universal clamps arranged at equal intervals are arranged on the mounting table. The universal clamp comprises a first wedge-shaped block and a second wedge-shaped block which are arranged in parallel, and the first wedge-shaped block and the second wedge-shaped block symmetrically move relative to the end face limiting mechanism. The end face limiting mechanism comprises a plurality of limiting mounting seats for fixing one ends of racks to be machined, the cleaning system comprises a plurality of groups of nozzles and an air supply device, and the damping supporting mechanism comprises a plurality of supporting blocks. And synchronous grinding of a plurality of racks to