The most critical part of the dynamic checkweigher

The most critical part of the dynamic checkweigher machine consists of four parts: conveyor, load cell, display controller and rejection device. The components of the dynamic checkweigher-the conveyor The conveyor is composed of a conveyor and a weighing unit. There are many types of conveyors, and the belt, chain or roller type can be selected according to the form of the conveyed object. The size of the conveyor depends on the size of the object being weighed. The dynamic checkweigher weighing platform itself is an independent small conveyor, and the weighed items are weighed at the moment they pass through the conveyor. Because it is dynamic metering, the speed of metering is relatively high. The transmission part of the conveyor adopts three-in-one electric rollers, which can make the weighing platform compact in structure, reasonable in layout and beautiful in appearance. The component of the dynamic checkweigher-load cell. The load cell also has many forms, such as: differential transformer type, resistance strain type and electromagnetic balance type. The dynamic checkweigher machine uses the applied resistance strain sensor, which has the advantages of low price, many product types and good stability. A weighing platform composed of a conveyor is placed on the sensor, and the number of sensors is determined according to the size of the weighing platform. 4 sensors are used to support the platform with large weight and large size, which has stable and reliable performance; Use a single sensor to support the table. The component part of the dynamic checkweigher-display and control the weight signal sent by the weighing sensor to amplify, process, digitally display the weight value, and compare the weight data with the preset value, and then send out the underweight, overweight, and qualified control signal. The threshold of underweight and overweight can be set manually. The display control instrument can display gross weight, net weight, the last weighing value, 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 send a variety of statistical information, and can connect useful information to the management computer through the communication interface or print out reports through a printer. The component of the dynamic checkweigher-the rejection device. According to the packaging form and characteristics of the inspected items, the rejection device can be divided into multiple methods such as pushing out, tipping and falling, handling, and diversion to exclude the unqualified items detected to the production Outside the process. The above four components are very important for the dynamic checkweigher. It is also the most critical part of the dynamic checkweigher machine.
Collectively, the effect of weigher on industrial society has been to eliminate multihead weigher packing machine and drastically reduce the time long associated with linear weigher.
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