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Quantitative packaging scale for sub-package according to amount of grains and quantitative weighing method of quantitative packaging scale

A technology of quantitative packaging and packaging scales, applied in packaging, packaging machines, packaging protection, etc., can solve the problem of large difference in particle number and achieve the effect of improving accuracy

Active Publication Date: 2012-10-03
SHANGHAI YAMATO SCALE
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AI Technical Summary

Problems solved by technology

However, when there is a difference in the weight of each material, although the weight of the quantitative packaging scale is the same each time (that is, the same specification), the number of particles will still vary too much

Method used

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  • Quantitative packaging scale for sub-package according to amount of grains and quantitative weighing method of quantitative packaging scale

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Embodiment Construction

[0032] see figure 1 , the invention discloses a quantitative packaging scale for packing according to grain number. As shown in the figure: it consists of a storage hopper 1, a unit grain weight acquisition unit and a quantitative packaging part. Wherein: the unit grain weight acquisition unit is composed of a sampling device 2, a feeder 3, a multi-row vibrator 4, a storage chute 7, a camera 5, a camera controller, a light source 6, and an input device; the quantitative packaging The part is a single-head quantitative packaging scale or a multi-head quantitative packaging scale, which is composed of a distribution chute 9, a feeding device 10, a weighing hopper 8, 11 and a weighing controller; the unit grain weight acquisition unit and each of the quantitative packaging parts Component actions are coordinated and controlled by PLC;

[0033] The unit grain weight obtaining unit also includes a counting hopper, the effect of the counting hopper is to weigh the material weight ...

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Abstract

The invention relates to a weighing machine and a weighing method, in particular to a quantitative packaging scale for sub-package according to amount of grains and a quantitative weighing method of the quantitative packaging scale. The packaging scale comprises a storage hopper, a unit grain weight acquiring unit and a quantitative packaging part, wherein the unit grain weight acquiring unit comprises a sampling device, a feeder, a plurality of lines of vibrators, a storage chute, a camera, a camera controller, a light source and an input device; the quantitative packaging part is a single-head quantitative packaging scale or a multi-head quantitative packaging scale, and comprises a material distribution chute, a feeding device, a weighing hopper and a weighing controller; and both the operation of the unit grain weight acquiring unit and that of the quantitative packaging part are coordinated and controlled by a PLC (Programmable Logic Controller). According to the invention, the unit grain weight of a material can be acquired instantly, so as to correct the sub-package weight and improve the precision of sub-package according to amount of grains.

Description

technical field [0001] The invention relates to a weighing apparatus and a weighing method, in particular to a quantitative packaging scale and a quantitative weighing method for packing according to the number of grains. Background technique [0002] For the demand of packaging according to the number of grains, using a counting machine is the most direct method. However, due to the slow speed and high price of the counting machine, in many cases, according to the unit weight of the particles, it is converted into the target weight, and the quantitative packaging scale is used to pack the materials according to the weight. Compared with the direct counting method, the weighing substitution method has the advantages of fast speed and low price. However, when there is a difference in the weight of each material, although the quantitative packaging scale dispenses the same weight each time (that is, the same specification), the number of particles will still vary too much. ...

Claims

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Application Information

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IPC IPC(8): B65B1/34
CPCB65B37/18G01G19/42B65B1/30B65B1/32B65B57/20B65B65/08G01G19/387G01G19/393
Inventor 廖有钧戈敖兴崔英欣宗斌
Owner SHANGHAI YAMATO SCALE
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