Welding tool and welding equipment

The invention discloses a welding tool (100) and welding equipment. The welding tool (100) comprises: a bearing member (110); the first driving assembly (123) is arranged on the bearing (110); the first guide rail (140) is arranged on the bearing part (110) and extends in the first direction; the first sliding block (150) is assembled with the first guide rail (140) in a sliding manner and is configured to be driven by a first driving assembly (123) to move along the first guide rail (140); the welding nozzle assemblies (160) are arranged in an array mode, at least one column of welding nozzle assemblies (160) arranged in the second direction in the welding nozzle assemblies (160) is assembled on the first sliding block (150) and moves along with the first sliding block (150) so as to change the distance between the welding nozzle assemblies (160) and the other columns of welding nozzle assemblies (160), and the second direction intersects with the first direction.