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Author: Smartweigh–Multihead Weighter
The automatic quantitative packaging scale is a kind of equipment that can divide bulk materials according to the regulations. In response, it requires the necessary measurement accuracy and packaging speed. This equipment belongs to the packaging and weighing industry. 1. The control principle uses load cells, weighing instruments, and weighing transmitters to convert weighing signals into PLCs to be able to recognize other signals, and then use PLC programmable execution programming to obtain the various types we need. action. 2. The proper application of machine planning, machining, sheet metal technology, surface treatment and other technologies to manufacture the actuators in a common control system constitutes a complete combination.
3. Classification (1) Bucket-free automatic quantitative packaging scale, also known as net weight scale, auger scale, and its weighing quantitative control process is relatively simple, and the packaged items are directly loaded into containers or packaging bags for weighing. The quantitative control process is achieved by controlling the size of the opening of the discharge port. The fixed value filling of liquid adopts this kind of form more. Features: a. Simple layout and high precision.
b. Select a weighing module to form a scale body with a weighing platform, or directly select a platform scale, and then connect a weighing instrument and some simple control buttons to form a net weight quantitative control device. (2) There is a bucket automatic quantitative packaging scale There is a bucket automatic quantitative packaging scale alias net weight scale. Its control process is to realize the quantitative discharge process through a central weighing bucket. At the beginning, the discharge door of the weighing bucket is closed, and the upper part is closed. The feeding port stops feeding at a fixed value. When the target value is reached, the feeding port is closed, and the feeding port is opened to put the material into the container or packaging, and then enter the next control cycle. In order to improve work efficiency, a variety of feeding rates can be used, usually two-speed, that is, fast feeding and slow feeding.
It can also adopt the high-speed setting value control of double-scale continuous operation. Features: a. Integrated layout, high precision and fast speed, this type of layout is mostly adopted by public weighing control equipment. b. The net weight quantitative control system can be formed by the use of mutual aided load cells or weighing modules, weighing instruments and operating buttons.
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