Focusing clamping assembly for tank welding

The utility model discloses a focusing clamping assembly for tank welding, which belongs to the technical field of tank welding clamps and comprises a base, placing plates arranged on two sides of the top of the base and used for placing a tank, fixing structures arranged in front of and behind an inner cavity and used for fixing the tank and an adjusting structure capable of driving the two placing plates to move. The supporting blocks are fixed to the front portion and the rear portion of the two sides of the top of the base, adjusting rings are fixed to the tops of the front supporting block and the rear supporting block, a plurality of teeth are arranged on the inner sides of the adjusting rings, moving blocks are arranged on the surfaces of the inner walls of the adjusting rings, and one sides of the moving blocks are fixedly connected with first motors; according to the tank body leveling device, the movable block can be driven to move around the surface of the adjusting ring to the deviation position,