Working Principle
There is an eccentric protrusion in the pump cavity of the flexible rotor pump. When the flexible blades leave the eccentric block, the volume between the blades keeps increasing, creating a vacuum, and the liquid is continuously sucked into the inlet part of the pump cavity. When the flexible blades rotate, the liquid is taken from the suction part of the pump cavity to the discharge part. When the flexible blades come into contact with the eccentric protrusion again, they will bend and accompanied by a squeezing action, so that the liquid is continuously and pulselessly discharged from the pump cavity, thus completing the whole process of suction and discharge. In the metering filling machine, precise control of the filling volume is achieved by controlling the rotational speed and running time of the rotor pump or combining with metering devices such as flow meters.
Advantages
High Filling Precision: It can accurately control the filling volume each time. For products that require high-precision filling, such as pharmaceuticals and cosmetics, it can ensure that the filling volume of each bottle or bag is accurate and consistent, reducing product quality problems caused by inaccurate filling volumes.
Strong Self-Priming Ability: It can be directly started for filling without the need for additional pump-filling operations or liquid induction devices. When dealing with liquid materials with high viscosity, volatility or containing gas, it can quickly and stably suck in the materials to ensure the smooth progress of filling.
Stable Conveyance: The flow of the liquid is relatively stable, without pulsation or vibration phenomena. For some products that require a stable filling process, such as alcoholic beverages and drinks, it can avoid the impact and splashing of the liquid, ensuring the appearance quality of the products and the integrity of the packaging.
Wide Applicability: It has strong adaptability to materials. Whether it is high-viscosity sauces, pastes or low-viscosity liquids such as water and fruit juice, it can adapt well. It can also smoothly convey materials containing particles or fibers without being prone to clogging. Meanwhile, it also has strong adaptability to packaging containers and can be applied to various packaging containers with different shapes and sizes, such as round bottles, square bottles, plastic bags, etc., having high universality and flexibility.
Easy to Clean and Maintain: It has a relatively simple structure with no complicated mechanical parts and narrow flow channels inside, so it is relatively convenient to clean. When replacing different materials, the equipment can be quickly cleaned to reduce the risk of cross-contamination of materials. Moreover, the maintenance cost is relatively low and the service life of the equipment is relatively long.
Application Scenarios
Food and Beverage Industry: It can be used to transport various beverages, fruit juices, syrups, edible oils, etc. Due to its hygienic design, it can ensure the hygienic safety of the transported media and is commonly used for the filling of products such as beverages, alcoholic beverages, edible oils, and sauces.
Pharmaceutical Industry: It is suitable for transporting various liquid medicines, pharmaceuticals, etc. Its gentle conveying method will not damage the components of drugs and can meet the requirements of the pharmaceutical industry for aseptic filling and high-precision metering.
Chemical Industry: It can transport a wide range of media such as weak inorganic acids, organic acids, alkalis, salts, oils, alcohols, ketones, and esters. It can also adapt well to the filling of some high-viscosity, particle-containing or corrosive chemical raw materials.
Daily Chemical Industry: It is used for the filling of products such as shampoos, body washes, laundry detergents, hair conditioners, face creams, and toothpastes. Its precise metering and good adaptability can meet the diverse filling requirements of daily chemical products.
