Hardware description of each system of online automatic checkweigher
Online automatic checkweigher, also known as automatic weighing machine, sorting scale, weight identification scale, weight classification scale, etc. Online automatic checkweigher machine is a low-speed, high-precision packaging production line checkweighing equipment, which can be combined with various Packaging production line and conveying system integration are mainly used for online inspection of whether the product weight is qualified, whether there are missing parts in the package or product weight archiving. The principle is to let the packaged product pass through the weighing platform at a certain speed, measure the weight value of the product during the conveying process, and remove the unqualified products by the actuator. The hardware system is the physical basis of the entire measurement and control system. According to the requirements of the function of the measurement and control system, the hardware system is constructed and optimized. The hardware of the online automatic checkweigher machine system mainly includes the following parts: computer, signal detection part, signal conditioning circuit, data acquisition card part, control part and actuator and other parts. 1. Computer: The center of data acquisition, data management and control decision-making of the entire measurement and control system. 2. Signal conditioning circuit: Amplify, stimulate, linearize, isolate and filter the signal. 3. Signal detection part: mainly refers to two high-accuracy pressure sensors, which are responsible for real-time conversion of the quality signal of dynamic weighing, and transmit the converted electrical signal to the data acquisition board part. 4. Weighing display controller: It is processed by the computer according to the control setting parameters, the control result is obtained through a certain control algorithm, and the control result is transmitted to the actuator. The weighing display control instrument can display gross weight, net weight, the last weighing value, and the difference between the last weighing value and the set nominal value. It can also display the total number of weighing pieces, the number of underweight pieces, the number of overweight pieces, and the number of qualified products. The display controller can also transmit a variety of statistical information, and can network useful information to the management computer through the communication interface or print out the report through the printer. 5. Data acquisition card part: including data acquisition card and its supporting equipment, A/D conversion of the collected data, and transmission to the computer for further analysis and processing; and then the control results output by the computer are converted through D/A, output to the control part. 6. Execution rejection device: According to the packaging form and characteristics of the inspected items, the rejection device can be divided into various methods such as pushing out, tipping and falling, and handling. The executive mechanism performs corresponding actions according to the control results, and promptly rejects the packaging that does not meet the quality standards. product. If you would like to learn more about our services, or would like our professionals to contact you, please do not hesitate to contact us.
weigher is an inevitable and critical part of being a manufacturer, and it's more complicated than just manufacturing products and serving customers.
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