Features of partial load-bearing load-bearing device of checkweigher
A few checkweighers use the structure of partial load-bearing loaders. For example, the upper load-bearing surface of the entire checkweigher is divided into three sections, and the weight of the load-bearing surface of the middle section is directly added to the load cell; and the front and back sections are respectively Both the feed static plate and the discharge static plate are not involved in weighing. The structure of the local load-bearing carrier is similar to the tray carrier of the electronic belt weigher. It is a whole piece of steel plate that directly contacts the belt. This steel plate is supported on the load cell. When the product passes the checkweigher, once the product passes the checkweigher, When the whole person enters the belt above this steel plate, it can be weighed. The belt tension on the conveyor is generally a tight belt, that is, the side in contact with the product is a straight conveyor belt with tension, which is suitable for heavier packaging (such as product weight greater than 600g) and medium and low throughput (such as less than 300 pieces/min); For lighter packaging (such as product weight less than 600g) and high throughput (such as greater than 300 pieces/minute), loose belt technology can be used, that is, the conveyor belt in contact with the product is relatively loose, so check the weight The load carrier of the scale does not bear the weight of the motor, the weight is reduced, the vibration is reduced, and the weighing accuracy is also improved. There are no motors, rollers and bearings on the carrier. The advantages of this method are that the motor vibration is completely eliminated first, and the weight of the carrier is light and handy. The weight of the carrier can even be ignored, and only the maximum product weight is considered. Relatively speaking, the effective weighing accuracy of the carrier is increased to 0.01%. In other words, this can achieve the same weighing accuracy as the electromagnetic compensation type load cell, achieving high speed and high accuracy. When the AC9Rx checkweigher machine operates at 550 pieces/min, the best dynamic accuracy can reach 10mg depending on the size of the packaging bag. The advantage of the partial load-bearing load-bearing device is that the length of the load-bearing device is short. In addition to only one product on the load-bearing device, the checkweigher can also have other products on the feed static plate and the discharge static plate behind the load. In the integral conveyor of the conveyor, there can only be one product on the surface of the checkweighing carrier. If the belt speed of the checkweigher is the same, then the checkweigher machine of the partial load-bearing carrier will be able to achieve higher throughput. The above is to share with you about the characteristics of the partial load-bearing load-bearing device of the checkweigher machine. I hope it will be helpful to you. If you have any questions about the checkweigher, please feel free to contact us.
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