PLC system design of barrel collection food packing machine
In order to solve the problem of the control of the packer in the hot pot sauce packaging production line,after 10 bags were packed in barrels,two barrels were packed into one carton,a PLC system of food packer was designed.The PLC system took the S7-200 of Siemens smart series as the core controller,sensed the position of the barrel through the sensor,quantified the pulse number through the servo system,and used the follow-up nature of the servo system itself to realize the conveying,positioning,grabbing and packing control of the barrel.The control parameters were set through the touch screen and the jog adjustment control was realized,which could be accurately coordinated with the beat of the assembly line.After experimental testing and measurement,the action flow time of the device was 18.8 s,and the action cycle accounted for 94%of the barrel discharge cycle,which was lower than the barrel discharge cycle.And the working state of the device was stable,the action was soft,and it would not cause damage to the material and packaging shell during transportation.The device had high efficiency,flexible and convenient adjustment and operation,which provided support for improving the intelligence of assembly line operation.
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