Bag grabbing mechanism

The invention provides a bag grabbing mechanism. The bag grabbing mechanism comprises a rotating disc and a plurality of bag-grabbing clamping jaw devices which are uniformly arranged on the rotatingdisc, wherein the each bag-grabbing clamping jaw devices comprise a group of rotating pillars which are rotatably arranged on the rotating disc and correspond to each other; a first clamping jaw plateis arranged on each rotating pillar; a second clamping jaw plate is rotatably arranged under each first clamping jaw plate through a first clamping jaw rotating pillar; each second clamping jaw plateis connected with a rotating block; a second clamping jaw plate rotation driving device matched with each rotating block in use is arranged under each the corresponding rotating block. The bag grabbing mechanism is capable of rapidly and automatically opening packing bags; a mode of circularly grabbing on the disc is used for grabbing and opening the packing bags; bagging of bearings can be circularly operated; the bearing