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Application of weighing device in automatic glue dosage system
The automatic dosing system can realize the full automatic control of the glue making, glue delivery and glue using process. According to the pre-set ratio and process, the deviation in the dosing process is monitored through the screen, and the dosing ratio behind is corrected according to the ratio of the formula, so as to ensure the accuracy of the formula.
Electronic weighbridge Weighing module Reactor weighing
PP20211029135158
Automatic Powder Batching System
Batching system in the field of powder processing and treatment, the leading technology of powder processing equipment absorbed and optimized in the weighing and mixing machine in accordance with the production instructions and formulas, a variety of materials will be placed, transported to the set station, using automatic walking weighing mechanism, a variety of materials accurately and proportionally added to the barrel.
Mixing machine mixer Load cell
Weighing and mixing machine in powder dosage system application program

Powder dosage system program consists of industrial control machine, PLC, industrial weighing instrument, frequency converter, vibration motor, mixer, sensor, conveyor belt and other parts.

The whole automatic feeding system is composed of industrial control machine, PLC, industrial weighing instrument, frequency converter, vibration motor, mixer, load cell and other parts. The upper industrial control machine provides human-computer interaction interface, completes the control information input, data management, data display, storage, statistics and reports, etc. The upper computer adopts IPC810 industrial control machine, the main work is as follows:

Weighing and mixing machine firstly reads a certain number of formula according to the operator's instruction, then, according to the proportion and sequence of ingredients in the formula, it sends out the instruction to PLC to start dosage, which enables PLC to start a specific frequency converter. In the process of batching, the host computer of industrial control reads the status words of PLC in real time by polling, on one hand, to understand the operation status of PLC and PLC subordinate equipments; on the other hand, it reads the weighing data of the weighing instrument installed on the batching machine in real time, and according to the batching strategy, the host computer sends out the instruction of stopping the batching to the PLC when the weighing is close to the set value of the recipe. When all the materials on a formula are finished, the whole dosage process is suspended, waiting for the operator's instruction.

Weighing and batching system operation process, PLC and the host computer real-time communication, so as to ensure that the data displayed on the interface and the consistency of the actual data on the scene, the operator in the host computer issued by the operation command and set parameters can be sent to the PLC in real time, the main work of the PLC are:

(1) Receive the commands sent from the host computer, and control the start, stop, fast and slow of the vibration motor through the frequency converter;

2) write the running status of the frequency converter into the memory data area in real time for the industrial control machine to read.

(3) Prepare various states of itself in the form of status words for real-time reading by the total industrial control machine.

This batching system is specially designed for automatic batching of small materials, the whole system mainly consists of frame, storage hopper, material crushing and mixing device, screw feeding device, automatic weighing and batching trolley and automatic weighing module, the system has two functions of automatic and manual, users can choose conveniently according to their own situation. Under the automatic state, the operator only needs to select the pre-set formula number and click the start button, which can add materials according to the set formula and control the corresponding screw feeding device.

The whole batching process is controlled by PLC. The human-machine interface is controlled by PLC. DELL computer and general-purpose configuration software of Configuration King are used for real-time display of dosage weight. The actual dosage amount is displayed on the screen immediately after each dosage is completed, until the next dosage starts to refresh to zero. The dosage quantity of each bin is kept in the database of the system, which can be conveniently called for querying, comparing and printing, and generates and prints daily and monthly reports. The data recorded by the system cannot be modified, deleted or moved by the operator, so that the management personnel can fully grasp the real situation of each batching. 

Characteristics of dosage equipment: 

(1) This weighing and batching equipment adopts screw feeding, which is characterized by accurate, stable and reliable feeding. The maximum feeding capacity is up to 500g/min. 

(2) PLC control, human-machine interface using Lenovo computer and configuration king general-purpose configuration software, with accurate control, high reliability, intuitive and friendly interface and other characteristics. 

(3) The weighing system integrates recipe management and ingredient weighing management. The whole system is easy to operate, and for ordinary staff, they can also operate according to the information appearing on the screen. Thus, accurate weighing and operation efficiency are obtained. 

(4) Save the dosage and weighing records, and output reports, so that each product can be traced. 

The system successfully solved the enterprise in the production activities of manual dosage labor intensity, low productivity, poor working environment, mismatch, leakage and other phenomena, so that the dosage accuracy, production efficiency increased exponentially, resulting in huge economic benefits.


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200002-15233249
200002-15233239
200002-15233245
200002-15233247
200002-15233251
Weighing instrument mixer Load cell Mixing machine Weighing module Feeding system Weighing and batching system
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S2 Screw mixer
The screw mixer inputs the weight of the ingredients through the host, generates the weight of various materials according to the ratio of raw materials, and transmits it to the PLC through communication. During the dosing process, dynamic real-time monitoring is carried out, other switch quantities sent from each slave are collected regularly, the weight signal of each material is collected in real time and compared with the given signal to determine the next control scheme, and the weight signal is transmitted to the upper computer.
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Y6 Automatic dosing machine
The automatic batching machine is composed of S7-300 series programmable controller, weighing instrument and temperature control instrument, and external printer. The temperature control instrument is connected to the analog input module of PLC, the weighing instrument is connected to the analog input module of PLC, the computer communicates with the PLC through the MPI port, and the data sharing of the two computers is realized through the HUB(8D-LINK).
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S3 Vacuum mixer
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KF1 Dosing system
The dosing system automatically adjusts the wind speed, circulating liquid flow rate and inlet liquid temperature according to the set operation parameters, collects the parameters of inlet and outlet liquid temperature, wind speed, atmospheric pressure, circulating liquid flow rate, wind resistance and liquid resistance, and sends them to the upper computer. The upper computer reads the data sent by each on-site measurement and control unit and calculates the liquid-side heat dissipation and air-side heat absorption according to the corresponding formulas specified in the standard. Usually chemical and physical changes occur in the dosage process, which can be composed of a number of simple tasks for the control of weighing. The process unit includes all production operations and auxiliary operations in batch production, which are processed in accordance with the order and operating parameters specified in the formula, guaranteeing the control of the dosage process without changes in quality.
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PVC solution for DCS batching system
The DCS batching system uses advanced hardware systems and powerful software functions to fully realize complex control requirements.It can also meet the needs of higher-level information management computers and integrate communications into the information ingredient management system of the entire factory.
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Application of weighing batching system in rubber and plastic industry
The batching system performs logical control on the motors, valves, etc. in the system (controlling the amount of each additive added) according to the set parameter requirements.It accepts control signals from other parts to achieve linkage, or sends its own weighing data to the main control computer for processing in a timely manner.
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Application of computer in weight reduction method sizing dosage system
In the artificial board weight reduction method of sizing measurement and monitoring process, the use of computer technology and PID control method, to complete the system configuration, design, control, management and other functions. The dosage system transforms the difference between the front and rear weights of the materials in a unit of time into an instantaneous flow signal, which is used to participate in the flow regulation and control as well as the management of the material accumulation and accumulation. It is characterized by high measuring accuracy, good repeatability and stable control. In the transformation of the sizing system adopts the weight reduction method, the application of computer technology to complete the system design and monitoring functions.
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Design and application of DCS automatic batching system
The automatic batching system uses DCS distributed control method to analyze the structure and function of the monitoring system, study its control process, and realize functions such as automatic control of human-machine dialogue, centralized management, real-time recording, display and alarm.
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