Solution
Application of food packaging machine Process requirements: 1. The food packaging machine mainly completes the functions of molding, positioning, packaging and sealing. 2. The bag length can be consistent when starting, stopping and adjusting the number of bags. 3. The core control components should have stable performance and fast response. 4. The equipment can work in a dusty environment. | |||||||
System scheme: The system is composed of sealing and cutting part, heating part, frequency conversion and speed regulation part, electrical control part, etc. The sealing and cutting part mainly completes the horizontal and vertical packaging of the package; The heating part mainly heats the horizontal and vertical sealing knives and controls the temperature; The frequency conversion speed regulation part mainly drives the cross cutter to seal and cut and adjust the stretching speed of the packaging film, which determines the packaging speed of the packaging machine | |||||||
The control part mainly uses Tianchuan t510 series PLC as the core control element of the packaging machine for signal processing. According to the feedback signal of the encoder, the system carries out speed closed-loop control. PLC outputs two PWM waves as the frequency setting source of the two frequency converters respectively, and the change of PWM wave width adjusts the output frequency of the frequency converter. | |||||||
System features: The main electrical components use the products of Tianchuan electric, which has a high cost advantage. T510 series unique PWM pulse width setting frequency function, large low-frequency torque, fast dynamic response and strong overload capacity. Adopt double frequency conversion stepless speed regulation control, with a wide range of adjustment; The sealing temperature is controlled independently by digital display temperature controller; High sensitivity electric eye automatically tracks and packages, and adopts touch screen human-machine interface, which is intuitive and convenient. The equipment has stable operation, accurate sealing and cutting, and simple operation. Realize the multi-function of the packaging machine, such as high efficiency, low loss and automatic detection, so as to improve the output and quality of products. | |||||||
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