Stretching device for packing belt production

The utility model relates to the technical field of packing belt production, and discloses a stretching device for packing belt production, which comprises a box body and an oil tank arranged on the right lower side of the box body, two groups of rotating shafts are rotatably connected to the left side and the right side of the inner wall of the box body, and stretching rollers are fixedly sleeved on the outer surfaces of the rotating shafts. The front side and the rear side of the outer surface of the rotating shaft are fixedly sleeved with gears. According to the stretching device for packing belt production, a rotating shaft, stretching rollers, a gear, a fixed transmission roller and a speed regulation transmission roller are used in cooperation, so that a driving motor drives the rotating shaft to rotate, the rotating shaft drives the upper and lower stretching rollers to rotate reversely under the action of the gear, and the left and right stretching rollers have the rotating speed difference through th