Grasping device and method capable of simultaneously grasping many cartons of heteromorphic cigarettes

The invention discloses a grasping device and method capable of simultaneously grasping many cartons of heteromorphic cigarettes. The grasping device comprises a support plate (1), wherein through slots (2) are formed in the support plate (1), suckers (3) are arranged under the support plate (1), and height-measuring sensors (4) are arranged near the through slots (2). The grasping device disclosed by the invention has the characteristics of high grasping efficiency and simple equipment structure.