The Reunite mixer is automatically or semi-automatically completing the proportioning, weighing, feeding and distributing of raw materials at each time until the required weighing/feeding times of each batch are completed. At this point, PLC has completed a series of operations and controls. Such as the following target value calculation, raw material target value calculation, parameter automatic correction, etc. The main screen of each raw material and its parameter setting window have relevant parameters displayed, which can be used as control reference by the operator.
020-34563445The process of weighing and mixing machine mainly involves ingredient measurement and feeding process. According to the weighing requirements, the time for each material Feeder to discharge to the measuring tank is controlled, thereby controlling the amount of material entering the measuring bin. Then, according to the material ratio requirements, the time for each feeder to discharge to the measuring tank is controlled, thereby controlling the weight entering the measuring tank. This completes one weighing process until the specified number of weighings required for each ingredient is completed. The weighing control system mainly completes the measurement of ingredients and the control of the feeding process. The PLC manually sets and adjusts parameters such as the set weighing times, counterweights, ratios, impact differences, etc. on the CRT based on the user login level pre-set by the operator. At the same time, the actual value of each ingredient and the actual value of the undervalue, as well as the next target value calculated by the PLC, the number of times weighed, the number of times to be weighed, ratios, etc., are displayed on the CRT. The system also requires equipment control requirements such as ingredient interlocking, downward interlocking, and upward interlocking. The weighing mixer adopts a suction hopper, a storage hopper, a hopper scale, and a mixing hopper. The lower part of the suction hopper is connected to the storage hopper, and the discharge end of the storage hopper can be connected to the feeding end of at least one measuring screw. The discharge end of the measuring screw is connected to the feeding end of the hopper scale, and the lower part of the hopper scale is connected to the mixing hopper. The discharge end of the mixing hopper is connected to the feeding end of the batching machine, and the mixing hopper and batching machine are linked to stabilize the extrusion amount, thereby improving the longitudinal uniformity of the film thickness. The measuring screw can accurately discharge the material.
The weighing mixer adopts a motor, a machine base, a screw sleeve, and a conveying screw. A feeding port and a side connecting screw sleeve are set above the machine base, and the feeding port is connected to the screw sleeve. The motor is connected to the conveying screw, and the conveying screw passes through the screw sleeve. There is a feeding gap between the conveying screw and the screw sleeve. The motor is placed inside a motor cover for dust prevention. Both the motor and the motor are connected to the motor base, which is connected to the side of the machine base. The motor is connected to the conveying screw through a coupling. The motor is a stepper motor, which improves the feeding accuracy. At least one set of measuring screws or one measuring valve is set between the storage hopper and the hopper scale. The measuring screws or valves are both set above the hopper scale. The measuring valve is equipped with a cleaning port, and the measuring screw or valve is set above the hopper scale. The measuring valve and measuring screw can be combined to achieve high batching accuracy. There are multiple storage hoppers that can be set according to user needs, and they are also equipped with measuring screws or measuring valves. The middle of the hopper scale is suspended on a frame, and a weighing module is set between the support frame and the outer wall of the hopper scale to facilitate the overall weighing of each component of the material. The lower end of the hopper scale is inserted into the upper opening of the mixing hopper, and the lower end of the hopper scale is equipped with a pneumatic valve body (or solenoid valve), which opens after weighing. The upper opening of the mixing hopper is connected to the hopper scale through a pneumatic valve body, and the lower discharge port is flexibly inserted into the feeding port of the batching machine. The side wall of the mixing hopper is equipped with a mixing mechanism. The side wall of the mixing hopper is equipped with a mixing mechanism (mixing prize), which can fully achieve the mixing of materials, realize the weighing and limiting of mixed materials, and directly enter the batching machine to ensure the uniformity of raw materials.
Characteristics of Weighing Control System
1. Using Mitsubishi, Omron, or Siemens PLC as the core, it has small size, high precision, and good stability performance.
2. It can simultaneously control multiple scales, multiple different materials, or control outputs (depending on the process).
3. Intelligent control of batching time ensures no waiting between batching scales, shortening the batching cycle and improving batching speed and output.
4. The latest WINXP system platform runs faster and more stable, with real-time dynamic production screens displaying the production process, intuitive and clear operation, and automatic recovery function.
5. Powerful report function, capable of recording and storing various data in large quantities, as well as printing tables. It automatically compiles and prints ingredient reports after each production is completed, providing information such as date, time, report number, and actual consumption of each material; The report extraction adopts the manual query method of PC, and the production end report is stored in the computer for unlimited reading, ensuring the correctness and completeness of the production report.
6. Easy to operate, this system has three production modes: manual, semi-automatic, and fully automatic.
Unique advantages of automatic mixing system
1. PLC has strong data processing ability, fast and stable sampling rate, and the batching process can fully meet the process requirements for batching.
2. The process can be set according to the user.
3. Good reliability, the system has two control schemes (touch screen and industrial computer scheme). When one of the external modes fails, the other immediately switches to operation without affecting production, which can prevent production loss of control during production failures.
4. Real time graphical display of production process and text display of production process, facilitating operator operation.
5. The text file displays production reports, recipe reports, and other (with multiple printing options for users to choose from) with powerful alarm prompts, which can minimize the scrap rate.
6. The use of a frequency converter to control the discharge speed ensures that all materials are discharged in equal time, ensuring the uniformity of the ingredients.
