Dynamic calibration method for checkweigher

A dynamic calibration, checkweigher technology, applied in the direction of weighing equipment testing/calibration, etc., can solve problems such as the difference in the movement of the standard weights, the difference between the calibration weight level and the real product weight, the wear of the standard weights, etc., to achieve the calibration process. Simple and effective effects

Pending Publication Date: 2020-12-04
HENAN PROVINCE INST OF METROLOGY
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Problems solved by technology

[0005] The purpose of the present invention is to provide a dynamic calibration method for a checkweigher to solve the problem of the difference between the calibration weight level and the real product weight caused by the dynamic calibration of the checkweigher using standard weights in the prior art, and the difficulty of standard weights. Technical issues that cause wear, discrepancies between standard weights and real product movement

Method used

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  • Dynamic calibration method for checkweigher

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Embodiment Construction

[0013] An embodiment of a dynamic calibration method for a checkweigher such as figure 1 As shown: the method includes the following steps. In the first step, the on-site product to be sorted is weighed by a standard weighing device, and the product to be sorted 3 includes a product container and liquid or granular items contained in the product container; The second step is to make the weighed products to be sorted pass through the transmission weighing end 2 of the checkweigher to be calibrated, by comparing the weight of the products to be sorted obtained by the checkweigher with the weight obtained by the standard weighing device The true weight of the product to be sorted calibrates the checkweigher.

[0014] In this embodiment, the checkweigher is used on a beverage filling production line, so the product to be sorted is a beverage bottle 5 with a beverage inside, and multiple beverage bottles are packaged together by a heat shrinkable film 4 . The standard weighing dev...

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Abstract

The invention relates to a dynamic calibration method for a checkweigher. The method comprises the following steps of 1, weighing a to-be-sorted product on site through a standard weighing device, andenabling the to-be-sorted product to comprise a product container and a liquid or granular object disposed in the product container, and 2, enabling the weighed to-be-sorted products to pass througha transmission weighing end of a to-be-calibrated checkweigher, and calibrating the checkweigher by comparing the weight of the to-be-sorted products obtained by the checkweigher with the real weightof the to-be-sorted products obtained by the standard weighing device. Thus, the technical problems in the prior art that the calibration weight level is different from the weight of a real product, the standard weight is easy to wear, and the standard weight is different from the movement condition of the real product due to the fact that the standard weight is used for dynamically calibrating the checkweigher are solved.

Description

technical field [0001] The invention relates to a dynamic calibration method for a checkweigher in the field of automatic weighing instrument detection. Background technique [0002] Checkweighers are widely used in industrial automated packaging production lines. They are usually installed at the end of automated packaging production lines. They are a weighing and sorting device before products leave the factory, and are used for dynamic weighing and inspection of products. Its working principle is that the products to be sorted are transported from the transmission delivery end of the checkweigher to the transmission weighing end. When passing on the conveyor belt of the transmission weighing end, the weighing mechanism will weigh the weight of the product and put the weight The information is transmitted to the subsequent transmission sorting end, the products that do not meet the weight requirements will be rejected by the sorting mechanism, and the products that meet th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G23/01
CPCG01G23/01
Inventor 孙鹏龙何开宇王朝阳卜晓雪李鹏飞江浩李垚博葛笏良石岩
Owner HENAN PROVINCE INST OF METROLOGY
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