Explosion-proof filling machine adopts embedded real-time operating system with perfect multi-task management function, reads the data sent by weighing module and converts them into corresponding filling messages. It realizes the function of sending and receiving the data from the communication module, including the function of sending the record of filling information, and analyzing the data and commands from the base station. It consists of main conveyor, secondary conveyor, filling system, secondary pushing device, photoelectric sensor (positioning), weighing module and so on. Liquid real-time monitoring, detected by sensors. Starting and stopping of motor, filling of weighing system, detection, pushing and counting of secondary products are controlled by PLC.

The manual filling scale collects the set value of filling through AD; Then, open the relay, motor operation to collect the sensor pulse number and real-time display on the liquid crystal, when the pulse number of the corresponding filling amount reaches the set value, close the relay to cut off the motor drive circuit. In the quantitative filling control circuit, the contact switch of the filling gun solenoid valve is kept normally closed, and the weighing module displays the current filling amount.

The weighing filling machine adopts the microcomputer control process to realize the full automation and intelligence of the filling process, which can complete the increase, decrease, split, lifting and turning of the batch filling containers arranged regularly or irregularly according to the requirements of the filling process, and then transfer them to the weighing platform of the filling actuator to complete the lifting and filling of the cylinder.

Automatic filling machine refers to the weight information collection, amplification, transformation, transmission, processing and display are integrated weighing system, through the PLC program to control the sensors, relays, switches and solenoid valves, drawing on advanced technology and technology, Integrate inventory management, filling management, filling weighing, process control and product traceability with my long-term accumulated experience.

Full-automatic filling machine is manufactured with PLC programmable controller, two-stage automatic filling mode, two filling modes of net weight/gross weight are free to choose, and the filling target quantity is free to be set, which is convenient for all kinds of weight packaging. Through the microprocessor's calculation and analysis, it is transformed into electric signal or other required form of information output according to a certain law, in order to meet the requirements of information transmission, processing, storage, display, recording and control. Programmed and controlled according to the process requirements, the weighing system and PLC program control the weight and flow of the materials loaded into the weighing drum, thus realizing accurate measurement and batching. With strong stability and high cost performance, it can provide accurate measurement data and control means for production control and management in various industrial sites.

The automatic filling machine adopts Siemens PLCS7-300 system, which consists of weighing module, PLC system, touch screen, alarm system, on-site pressure change, solenoid valve and other components, and the operating station adopts DELL industrial computer WINXP operating system, and designs the process control of filling scanning, filling management and other process control with programmable controllers, and installs the software based on Configuration King based on the relevant database information service. The monitoring interface of the automatic filling production line, the operation interface is simple and applicable, easy to modify, and realizes the complete man-machine dialogue state. the PLC control system and the operation station can carry out rapid communication and setting through the RS-422/485 interface.

Automatic filling machine can meet the user's requirements in various aspects, with perfect operation, alarm records, all data can be online query and print, and expand the channel switching, shift automatic conversion and other auxiliary functions. Perfect database and report function, can modify the query and print reports can be online. The operator can modify or re-enter the target value being used online, and the system will run according to the new filling weight after confirmation.

Automatic filling scale is realized by weight sensing and the input pulse frequency fast or slow, when the frequency of the pulse occurs to decrease, the speed of the stepper motor decreases; when the frequency grows, the speed is accelerated. In order to achieve the purpose of measuring size adjustable and improve the accuracy of measurement, the screw's speed is required to be adjustable and the position is positioned accurately, the stepping motor is used to control the screw's speed and rotation, which not only simplifies the mechanical structure, but also makes the control very convenient. Without overloading, the speed and stopping position of the stepping motor only depend on the frequency of the pulse signal and the number of pulses, and are not affected by the change of load.

The control system of the quantitative filling machine mainly consists of PLC, touch screen, actuators, and detection elements. The computer downloads the program and monitors the operation of the equipment through the Ethernet PLC on-line. The touch screen communicates with PLC through Modbus485 communication protocol, displaying the running status of the equipment, and starting and stopping the equipment to set the operating parameters and other operations. The actuator is responsible for the execution of the PLC instructions, the specific implementation of the corresponding action. The detecting element sends the status and parameters of the equipment to the PLC.