Stretching fine-tuning mechanism of laminating machine for processing plastic film layer on outer surface of paper product

The utility model belongs to the technical field of laminating machines, particularly relates to a stretching fine adjustment mechanism of a laminating machine for processing a plastic film layer on the outer surface of a paper product, and aims to solve the problem that the tightness of paper is inconvenient to adjust due to the fact that the position of a transmission roller is inconvenient to adjust in the processing process of the conventional laminating machine. The laminating machine comprises a bottom plate, a laminating machine body is fixedly connected to the top of the bottom plate, two symmetrical first mounting plates are fixedly connected to the top of the bottom plate, the sides, close to each other, of the two first mounting plates are rotationally connected with the same first transmission roller, and two symmetrical second mounting plates are fixedly connected to the top of the bottom plate; the paper stretching device is simple in structure and convenient to use, the height of the third tran