Take the cam rotor pump as an example. The cam and the rotor inside the pump cooperate with each other. When the servo motor drives the cam to rotate, the rotor rotates accordingly. During the rotation of the rotor, multiple closed working chambers are formed inside the pump. In the suction stage, the volume of the working chamber increases, generating negative pressure, which sucks in the particulate jam. In the discharge stage, the volume of the working chamber decreases, the pressure of the material increases due to extrusion, and the material is pushed to the filling outlet.
The servo system precisely controls the rotational speed and rotation time of the servo motor, thereby accurately controlling the operation of the rotor pump and achieving precise control of the filling volume. For example, by presetting parameters, the motor rotates a specific angle or number of turns within a specific time to ensure that the amount of material output for each filling reaches the predetermined value.
Stainless - steel materials, such as 304 or 316L stainless steel, are usually used. These materials have good corrosion resistance and hygiene properties. They can come into direct contact with the particulate jam without affecting the quality of the material. The shape and structure of the rotor are specially designed to reduce damage to the particles during the conveying process and maintain the taste and appearance of the jam.
It consists of a servo motor, a driver, a controller, etc. It has a fast response speed and high control accuracy. It can quickly adjust the filling speed and filling volume according to the filling requirements and can also operate synchronously with other production line equipment.
It is equipped with high - precision valves and flow control devices. It can automatically adjust the filling height and angle according to different bottle mouth sizes and filling requirements. Some filling heads have anti - drawing and anti - dripping functions.
It includes a hopper, conveying pipes, etc. The hopper has a large capacity and good stirring function to prevent the particulate jam from settling or caking. The conveying pipes are designed with a smooth inner wall to reduce material adhesion and blockage.
An advanced PLC control system is adopted, equipped with a touch - screen operation interface. It can monitor and adjust the operating status of the equipment in real - time and also has functions such as fault alarm and counting.
The precise control of the servo motor and the stable conveying of the rotor pump enable the filling error to be controlled within a small range, generally within ±1%.
It can adapt to jams with different viscosities and particle sizes. For jams containing larger particles or pulp, it can also convey and fill smoothly without causing particle breakage or blockage.
It can achieve high - speed continuous filling. The number of fillings per minute can reach 20 - 50 times or more, improving production efficiency.
The components in contact with the material are made of food - grade stainless - steel materials, which meet food hygiene standards. The equipment structure is designed to be easy to disassemble and clean, effectively preventing bacterial growth and material residue.
The mature technologies of the servo system and the rotor pump, as well as high - quality components, ensure that the equipment operates stably and reliably during long - term operation with a low failure rate.
It is mainly applied to the filling production of particulate jams in the food industry, such as the filling of various fruit jams like strawberry jam, blueberry jam, and yellow peach jam. It can also be used for filling some materials such as sauces and pastes containing particles, such as chili sauce, broad - bean paste, and peanut butter. In the daily chemical industry, it can be used for filling some cream - type cosmetics containing particles, such as scrub creams and jelly creams.
