Special axis sleeve polishing equipment for metal product machining

The utility model discloses special axis sleeve polishing equipment for metal product machining, which comprises a main body, an operation box is arranged at the top end of the main body, a supporting column is fixed at the top of the main body, a placing table is arranged between the supporting column and the operation box, and the bottom end of the placing table is fixedly connected with the top end of the supporting column. The top end of the placing table is attached to the bottom end of the operation box, grooves are symmetrically formed in the top end of the placing table, limiting blocks are arranged on the inner sides of the grooves, and connecting springs are connected between the bottom ends of the limiting blocks and the grooves; through the designed limiting blocks, limiting grooves, connecting springs, sliding blocks and sliding grooves, when the operation box and the placement table are installed, the operation box and the placement table are in a preliminary clamping state through the structure