Checkweighers are used in the field of production processes
A checkweigher is a weighing instrument capable of continuous accurate high-speed full-load automatic weighing, detection and selection. What areas are automatic checkweighers often used in the production and operation process? It is mainly used to check the weight of products on the production line, and to alarm or reject unqualified products. With the development of industrialization, assembly line operations have entered many enterprises. However, the sampling inspection of the products before leaving the factory requires considerable manpower, and the pass rate of 100 cannot be guaranteed. Therefore, in order to adapt to the assembly line production and save labor costs, the online testing equipment - automatic checkweigher machine came into being. The automatic checkweigher machine can set the sorting range and related parameters, store the operating parameters of multiple varieties, and can be used online with a variety of equipment to provide a reliable basis for the filling volume. Checkweighers can eliminate overweight and underweight products through weight measurement, reduce production waste caused by excessive weight, and can also detect ultralightness caused by missing parts of products, improving product trust. For example, if the product is missing specifications and materials; if the box is missing; if the product has foreign objects or excess material, etc. The automatic checkweigher can not only detect the positive and negative deviation of the object being weighed to ensure the normal passage of qualified products, but also scientifically adjust its upper packaging machine according to data analysis. Therefore, with the improvement of enterprises' awareness of product quality and service, the increasing refinement and complexity of industrial production, and the increasingly strict quality standards, automatic checkweighers have been paid more and more attention in the production of many industries. The automatic checkweigher is generally composed of a conveyor (measurement part), a load cell, a display controller and a rejection device (optional). The conveyor is mainly composed of a front feeding device (feeding belt), a photoelectric detection device and a metering device. The main function of the front feeding device is to maintain the same speed as the metering belt, feeding the weighing object into the metering belt, preventing two weighing objects from entering at the same time. The function of the photoelectric detection device is to detect whether the weighing object passes through. The function of the metering device is to allow only one weighing object to pass smoothly on the metering belt, and to detect the weight of the weighing object on the metering belt. The core technology of the automatic checkweigher is the sensor, and the sensor has various forms such as differential transformer, resistance strain, and electromagnetic balance. Different forms have different weighing principles. Main features: 1. Long-term use, guaranteed accuracy, no need for daily calibration; 2. Automatic dynamic zero-point tracking technology; 3. Built-in hinge design, no safety dead angle, fast belt installation and disassembly, easy cleaning and maintenance; 4. Professional man-machine interface Design; 5. Simple user parameter setting and automatic parameter adjustment, only need to input product parameters and weighing requirements to complete; 6. Accurate and efficient elimination mechanism; 7. Humanized function, product database can store 1000 kinds of products; 8 .Password protection function ensures that unauthorized personnel cannot change the data; 9.Have data statistics function, support data export, USB and Ethernet interfaces.
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