Balancing device for machine tool and laser cutting equipment

The balancing device comprises the machine tool, a working assembly, a connecting assembly and a pneumatic balancing part, the working assembly and the machine tool can be connected in a relative movement mode, the connecting assembly is fixed to the working assembly, the connecting assembly and the machine tool are connected with the two ends of the pneumatic balancing part respectively, and the pneumatic balancing part is used for adjusting movement of the working assembly. The utility model further discloses laser cutting equipment which comprises the balancing device and a laser cutting assembly, and the laser cutting assembly is fixed below the working assembly. As the connecting assembly and the machine tool are connected with the two ends of the pneumatic balance part respectively, the pneumatic balance part adjusts the working assembly to move, a mechanical balance structure is avoided, meanwhile, the balance device is simple in structure and convenient to install, and the laser machining precision an