The structure and principle of the counting machine

The structure and principle of the chip counter 　　 electronic chip counters are divided into single channel, dual channel and multi-channel. Each channel is generally composed of 8 groups of photoelectric switches, and each bottle of medicine is completed by one channel. Therefore, in order to increase output, the machine can be developed into single-head or multi-head models, but the principle is the same, and they are composed of the following parts: electromagnetic vibration feeding device, pneumatic closing device, automatic counting system, centralized monitoring and sorting system .　　Feeding device　　After the system works automatically, it first judges whether the position of the pre-filled bottle is correct by photoelectric. When all the signals are correct, the vibrating feeding system will start automatically after receiving the start signal. The vibration system is divided into three levels: the first level is for vibrating discharge, the second is for slow motion feeding, and the third level is for split-channel feeding and distribution. After three-level adjustment, it can achieve uniform blanking, accurate counting and strong adaptability. Automatic tablet counting and door closing system. When the tablet passes through the photoelectric switch during the falling process of the tablet, the automatic tablet counting system will send the signal to the sorting system (PLC), and then the PLC will control the cylinder according to the number of cans set by the user. Fast action, real-time closing of the door, in order to achieve the purpose of precise canning, and improve the stability and accuracy of the system. In the centralized monitoring and sorting system, the parameters and operating conditions of all chip counting machines will be inspected through the monitoring system-Delta's man-machine interface, including the cylinder operating time and the normality of the automatic chip counting system. It's clear at a glance. Delta PLC, the advantages of man-machine application on chip counting equipment. The system has extremely high requirements for PLC. PCL is required to have 100 timers of 1ms, the program is fast in time, the scanning period is short, and the control is stable. The product has a very high price advantage. In response to these characteristics, we adopted the high-performance EH series programmable controller (DVP64EH00T) carefully developed by Delta Electronics. The controller has dual communication ports, which is convenient for programming and monitoring; at the same time, there are 100 1ms timers (unique to similar products), which can measure the number of pieces more accurately and quickly, and the scan cycle of the entire PLC is very short , It can be called the best among products with the same function. The monitoring interface adopts Delta's intelligent human-machine touch screen with multiple communication ports (DOPA57GSTD). With its powerful communication function, this product has won customers more deeply. The powerful macro function of the free communication port has solved the problem that the industry has been unable to Problems solved. Through this function, regardless of the size or thickness of the tablet, as long as the light source is corrected once in the man-machine, the system will automatically record and automatically store the optimal parameters on the screen. After adopting Delta's entire set of products in the core control system, the chip counter is better than European and American products in terms of overall cost performance, and better than the same brands in Japan.