Adjustable bag former device

The utility model discloses an adjustable bag forming device which comprises two adjustable sliding blocks, a left side adjusting plate, a left side supporting plate, two connecting rods, a right side adjusting plate, a right side supporting plate and two fixed L-shaped plates, and a left side guide plate weldment and a right side guide plate weldment are installed on one sides of the two fixed L-shaped plates respectively. The screw hole of the left guide plate weldment and the screw hole of the right guide plate weldment are both in threaded connection with guide plates, and one side of each guide plate is connected with a first right guide plate weldment and a first left guide plate weldment. By arranging the adjustable sliding block, the left side adjusting plate, the connecting rod, the right side adjusting plate, the polyurethane bearing, the guide rod, the right side guide plate weldment, the quick-release pin and other structures, the height and width of the bag forming device are adjusted so as to ad