Fully automatic shrinking machine working principle and common fault performance
Along with the continuous advancement of the world's manufacturing technology, the shrinking machine industry has also witnessed a revolution in industrial automation. "The performance and features of the shrinking machine meet the needs of the modern market", the rapid automatic shrinking machine is the first in this revolution of automation, designed and produced a series of PLC controlled, with advanced computer software control system height The automatic automatic shrinking machine products have caused different reactions in the market once they are listed. As an advanced packaging method, they have played an important role in the commodity packaging market. With the continuous expansion of the application range, master the automatic shrinking machine. Working principle and common fault performance become inevitable.
A: The working principle and use of the equipment The automatic shrinking machine is a kind of automatic packaging equipment controlled by plc and other peripheral lines combined with pneumatic components and mechanical devices. The actuator of the device is a cylinder. It is controlled by the two-position five-way solenoid valve to advance and retreat. The working position of the cylinder is detected by the magnetic switch and the proximity switch and fed back to the plc. The plc sends a control command to the solenoid valve of the corresponding cylinder through the program, thereby controlling the movement of the cylinder. Applicable to software packaging, biscuit box outsourcing, printing, pharmaceutical and flooring, ceramics, beverages, beer and other industries, the use of automatic control, saving time and effort, high efficiency.
Two: common fault performance
1: PLC failure: The plc fault mainly has the output point relay contact sticking. If the motor is controlled at this point, the fault phenomenon is that after the motor is started, the motor runs, but after the stop signal is issued, the motor does not stop running. When the plc is powered off, the motor stops running. If this point controls the solenoid valve. The fault phenomenon is that the solenoid valve coil is continuously powered and the cylinder is not reset. If the external force hits the plc to separate the glue points, it can help to judge the fault.
2: Proximity switch failure: The fault is typically manifested by the occasional occurrence of a melter drop that is not in place and automatically raised. The reason for the failure is that the melt knives did not encounter the packaged material during the descent process, and the melt knives approached the switch to lose the signal, and the squeegee automatically returned upwards in the same manner as the razor plate contacted the packaged object.
3: Magnetic switch failure: The main fault is that the subsequent cylinder does not move. The reason is that the cylinder speed is faster, which causes the magnetic switch to not detect the signal. If the speed of the push cylinder is too fast, the press pack and the melt knife cylinder will not move after the push pack is reset.
4: Solenoid valve failure: The main performance is that the cylinder does not move or does not reset, because the cylinder solenoid valve can not be reversed or helium.
Each troubleshooting method will be described in detail later. For more details, please pay attention to the quick shrinking machine: http://
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