Trough of semi-automatic thermoplastic film packaging machine

The utility model relates to the technical field of packaging machines, and discloses a semi-automatic thermoplastic film packaging machine trough which comprises a containing box, an installation block is arranged in an inner cavity of the containing box, telescopic frames are arranged on the left side and the right side of the bottom of an inner cavity of the installation block, and containing blocks are arranged on the upper portions of the two telescopic frames. Poking rods are movably connected to the left side and the right side of an inner cavity of the mounting block correspondingly, clamping blocks are arranged on the upper portions of the two poking rods, first buffer springs are fixedly connected to the opposite sides of the bottoms of the two poking rods, and the opposite sides of the first buffer springs are fixedly connected to the left side and the right side of the inner cavity of the mounting block correspondingly. According to the scheme, a thermoplastic film roll can be clamped and fixed, t