Adjustable metal finished product surface grinding machine

The utility model belongs to the field of grinding machines, and particularly relates to an adjustable metal finished product surface grinding machine which comprises a butt joint mechanism, the butt joint mechanism comprises a clamping jaw, a connecting block, a gear, a large disc, a sliding block and a rolling shaft, the rear portion of the clamping jaw is fixedly connected with the connecting block, the rear portion of the connecting block is movably connected with the gear, and the gear is movably connected with the rolling shaft. A large disc is fixedly connected to the middle of the gear, a sliding block is fixedly connected to the right side of the large disc, and a rolling shaft is movably connected to the middle of the sliding block; through the structural design of a butt joint mechanism, a grinding disc, a top plate, an extension column, a one-way pump, a placement table, a base and an auxiliary block, the functions of fixing a metal part and facilitating adjustment are achieved, and the problems t