Broad width belted steel laser piece welding machine clamp balancing unit

The utility model provides a broad width belted steel laser piece welding machine clamp balancing unit, including the pincers body, the pneumatic cylinder is equipped with at longmen top of the pincers body, the flexible end of pneumatic cylinder links to each other with the top board through buffering coupling mechanism, buffering coupling mechanism includes circular hole groove, spherical cushion, first half month cardboard and first joint groove, the circular hole groove aperture is greater than spherical cushion external diameter, circular hole groove's the degree of depth and highly cooperateing of spherical cushion, spherical cushion dress is in circular hole groove, a pair of first half month cardboard clamps to be adorned on the top board at first joint inslot and first half monthcardboard, first half month cardboard with the perpendicular spacing pressure equipment of spherical cushion in circular hole groove, the flexible end of pneumatic cylinder be with spherical cushion matched with sphere, be eq