Instant noodle production line automation control application
Instant noodles Production Line The use of automatic control
Introduction: in 2008 the new Labor Contract Law of the promulgation and implementation of China for labor-intensive Food Enterprises, the biggest challenge is how to control the increase in labor costs.
Automated production equipment to improve the degree of control, control the number of workers on each production line can be well controlled enterprises in labor costs.
Bo Yang, taking instant noodles production line of automatic control, for example, to discuss how to improve the equipment under the control of the degree of automation. Help control existing equipment manufacturers of instant noodles, to improve the automation degree!
Bo Yang is a professional mechanical design, manufacturing instant noodle production line equipment manufacturers, with a large number of years of professional experience of design engineers and manufacturing technicians, and equipped with advanced CNC equipment back to work and a variety of high-precision machine tools for the global pasta manufacturers to provide advanced products and complete solutions.
Bo Yang instant noodles production line, using modular design, reasonable structure, convenient set of lines, the use of advanced control theory, the entire line using the world renowned brand of PLC and inverter control SCHNEIDER, stable performance, high degree of automation, and operation simple, easy to use. All of the production process can be adopted by PLC automatic control, and with automatic tracking, synchronization, memory, chain protection.
Parts now make a brief electrical features:
1. And the surface computer system:
1. Automatic measurement of saline according to process requirements;
2. According to the production process settings, automatically adding water, mixing the dough;
3. Photoelectric switch test Conveyor Above the group and promptly notify the operator off the surface. (The process section of the touch screen to set the time with the stirring speed)
2. Compound tablet press system: 1. Photoelectric switch by analog feedback on patches of high information, automatic adjustment Compound Machine Operating frequency to maintain the complex plane with the first group of roller height between the facets;
2. Through complex optical switch within the machine hopper material level position feedback, automatic dough Conveyor And the surface with machine running, to keep the complex machine with the right amount of fabric;
3. Continuous tablet machine with PLC communications, according to the operational status of tablet machine to achieve continuous and stable production.
3. Continuous pressure chip system: 1. Ethernet with Frying Machine Communication, according to arrange the cutting machine operating conditions and speed, decided to run the seventh group of roller;
2. The remaining six groups of rollers, in accordance with their analog photoelectric switch patches of high feedback information, automatically adjusts the operating frequency to keep each group of roller height between the facets;
3. System network and the surface wave under the seventh group of roller blade speed automatically adjusted to maintain an appropriate waveform, operators can fine-tune in the field;
4. The entire production line to cut the benchmark rate, to keep pace.
4. Frying Machine System: 1. According to the production request, the decision to cut off the running speed;
2. The extent required in the process to ensure the patch thickness, length, wave, weight;
3. Maintain the production lines of various section of the synchronization process, and automatic memory location, location Once synchronized, even if the misplaced because the manually created, automatically playing back a few seconds after the track back in sync automatically.
The instant noodle production line system network diagram is as follows:
Instant noodle production line system network diagram
As indicated above, the system consists of four sub-stations PLC: and the surface computer system, tablet computer system, complex machine system, frying machine system (the choices are Schneider's TWDLCAE40DRF type PLC); there are three sub-machine operation Station: Machine machine stops and the surface, rolling machine machine station, frying machine machine station (the choices are Schneider's XBTGT5330 type touch screen). Between the various sub-stations through Industrial Ethernet with ModbusTCP / IP communications protocol. The use of advanced network structure, reserved for the network interface to facilitate future access to company production line can be ERP system, centralized control. Distribution of industrial automation systems as a positive, intelligent, real-time control development requires business management from the field control layer to be able to achieve a comprehensive, seamless information integration, and provide an open infrastructure. Industrial Ethernet is to provide a platform so that its advantages are:
(1) has a very high data transfer rate, can provide sufficient bandwidth;
(2) Since the same communication protocol, Ethernet and TCP / IP is easily integrated into IT (information technology) world;
(3) can run on the same bus, different transport protocols, so that it can set up a business of public network platform or infrastructure;
(4) in the network, using the interactive and open data access technology;
(5) used for many years, has been familiar to many of the technical staff, the market can provide a wide range of settings, maintenance and diagnostic tools, to become the de facto uniform standards;
(6) allows the use of different physical media and composition of different topology.
System is selected Schneider Twido Series PLC (TWDLCAE40DRF), which comes with Ethernet port, support standard MODBUS-RTU and MODBUS-TCP protocol, networking simple, low cost. Compact structure, basic performance, feature-rich, high cost performance.
Systems use machine station is Schneider's XBTGT5330 type touch screen. On the operator, the touch screen is very intuitive and easy to learn. On the developers modify the simple touch-screen, system stability, less mistakes, easy to maintain.
PLC station configuration TWDNC01M module CANOPEN splitter through an agreement with the frequency converter with CANOPEN communication, control the frequency converter starts, speed, and the motor running, speed, current feedback parameters to the PLC. CANOpen is a high-level protocol based on CAN. Rates up to 1M of the CANopen bus, with strong anti-interference, high-speed, real-time advantages. CANopen by PDO, SDO, NMT and other communications objects to facilitate the management and application of the bus is a flexible configuration of standard embedded network. CANOPEN is designed for sport-oriented machine control networks, now, it is used in many fields, such as medical equipment, marine electronics, public transportation, building automation.
System selected is Schneider's ATV3 AC inverter. ATV31 AC inverter is Schneider ATV
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