The structural composition of the multihead weigher and the functions of each part
Author: Smartweigh–Multihead Weigher
A complete multihead weigher generally has main parts such as feeding gate, weighing hopper, agitator, discharging device, rack, weighing sensor and metering control device. Let's take a look at the specific functions of each item: multihead weigher-feed gate The main function of the feed gate in the multihead weigher is to feed the weighing hopper. The feed gate generally uses ball valves, butterfly valves, gate valves, etc. The main requirements of the feed gate are airtightness, switch flexibility, fast and smooth feeding and other performance indicators. multihead weigher-weighing hopper In the multihead weigher, the weighing hopper is used as a carrier for heavy materials, and the material used for the weighing hopper is generally corrosion-resistant and acid-resistant.
Its volume is selected according to the feeding amount in 3 minutes under the maximum feeding flow rate, and the feeding time should account for a maximum of 10% of the entire weighing process. multihead weigher-Agitator In the multihead weigher, the function of the agitator is to assist in unloading the materials with poor fluidity. The agitator consists of a simple arch breaker drive motor with helical blades or nail teeth.
Through the rotation of the arch breaking arm, the materials prone to arching and rat holes can be smoothly dropped to the outlet. multihead weigher-discharging device The main function of the discharging device in the multihead weigher is to discharge the bulk materials in the weighing hopper. Generally, screw feeders, impeller feeders, vibrating feeders, and belt feeders can be used. . The characteristics of the material and the use environment are different. It can be used in most applications. The screw feeder is superior to other closed discharge devices. It can not only transport the material evenly, but also prevent the flying and spraying of the powdery material.
multihead weigher-load sensor In the multihead weigher, the load cell converts the weight signal of the material into an electrical signal for output. Generally, strong high-resolution strain gauge sensors are used. So the load cell is the core weighing component of the multihead weigher.
multihead weigher-metering control device In multihead weigher, the metering control device is composed of intelligent weighing instrument and automatic control system. The main function is to control and measure the feeding rate and conveying volume. In addition, the inlet and outlet of the multihead weigher should generally adopt flexible dust-proof and air-tight soft connections to ensure that the connection between the storage bin and the subsequent equipment does not hinder weighing.
The weighing hopper of the multihead weigher and the adjustable discharge device installed under it are located on the load cell fixed to the frame. The above is the structural composition of the multihead weigher and the functions and requirements of specific components brought to you by this editor. Hope it can help everyone.
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