Packaging paper pasting mechanism for product packaging machine

The utility model relates to the technical field of packaging paper production, in particular to a packaging paper pasting mechanism for a product packaging machine, which comprises a pasting device and four supports, rectangular blocks are fixedly connected to the upper ends of the right surfaces of the two supports at the left end, and limiting blocks are fixedly connected to the lower surfaces of the two rectangular blocks. A gap exists between the left surface of the limiting block and the right surface of the support, the lower ends of the right surfaces of the two supports located at the left end are fixedly connected with bases, and a hoisting mechanism is arranged on the upper surfaces of the four supports and comprises four connecting frames. Bonded packaging bags are conveyed to the right end through the conveying belt, the rotating rod rotates to drive the round rod to rotate through the first conveying belt, the round rod rotates to drive the hook to move, the packaging bags conveyed to the right