Metal container bottom cover trimming device

The invention relates to the technical field of bottom cover trimming equipment and particularly relates to a metal container bottom cover trimming device. The metal container bottom cover trimming device is capable of automatically and continuously cutting the bottom cover and carrying out grinding treatment on an outer circle part; the manual operation amount is reduced; and the production efficiency is improved. The metal container bottom cover trimming device comprises a conveying table, two groups of first conveying rollers, a conveying belt, a stepping motor, a cutting table, a portal frame, a first hydraulic cylinder, an annular cutter, a first mounting support, a mounting frame, two groups of second hydraulic cylinders, a lifting plate, a driving motor, a rotating shaft, a second mounting support, a third hydraulic cylinder, a fourth hydraulic cylinder and a grinding stone; a mounting groove is formed in the conveying table; a plurality of groups of evenly distributed placing grooves are formed in the