Adjusting and controlling device for cleaning flow of paste filling pipeline

The utility model provides an adjusting and controlling device for cleaning flow of a paste filling pipeline, belonging to the field of filling equipment. The adjusting and controlling device comprises a hydraulic cylinder, the middle part of the hydraulic cylinder is provided with a charging port and a discharging port, the charging port corresponds to the discharging port, the length of the cylinders at two sides of the charging port and the discharging port is greater than the inner diameter of the charging port and the discharging port, a piston is arranged in the hydraulic cylinder, the hydraulic cylinder is divided into a large cavity and a small cavity by the piston, a piston rod is arranged in the small cavity and penetrates through the end of the hydraulic cylinder, the length of the piston is 2 times greater than the inner diameter of the charging port and the discharging port, one end of the piston is a piston rod structure, the other end of the piston is provided with a through hole matched with t