Cigarette stack film sealing device

The utility model relates to the technical field of tobacco stack film sealing, in particular to a tobacco stack film sealing device which structurally comprises a machine frame, a conveyor, a transverse frame, a top frame, a material pushing air cylinder, a pushing plate, a film sealing heat knife device, a first film folding device, a second film folding device, a pressing air cylinder and a pressing plate. After the photoelectric sensing switch detects the tobacco stack, the pushing air cylinder controls the pushing plate to advance, the tobacco stack is pushed to the middle of the conveyor, and then the pushing plate retracts. And then the cigarette stack is conveyed to the position below the pressing plate, the pressing cylinder controls the pressing plate to move downwards, and the cigarette stack is pressed and limited. Then the upper, lower, left, right and corners of the cigarette stack are subjected to film folding through the third film folding device, the second film folding device and the first f