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Material product packaging weight control method and control system

A product packaging and weight control technology, which is applied in the directions of packaging, transportation and packaging, and the type of packaged items, can solve the problems of large fluctuations in packaging weight errors and difficulties in product sales in the later stage, so as to improve consistency, reduce losses, and control efficiency high effect

Inactive Publication Date: 2015-07-08
GUIYANG KAILIN FERTILIZER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to effectively control the errors that occur in the packaging process. Once there is a large fluctuation in the packaging weight error of a batch of products, and it cannot be reworked in batches, this will bring certain benefits to the later sales of this batch of products. difficulty

Method used

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  • Material product packaging weight control method and control system
  • Material product packaging weight control method and control system
  • Material product packaging weight control method and control system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] like figure 1 As shown, a material product packaging weight control system includes a finished product conveying device to be loaded, a quantitative packaging device, a review weighing device, a finished product output device, and a sampling weighing device. The weighing device and the finished product output device are connected in sequence, and the sampling weighing device is connected with the review weighing device; the weighing accuracy of the review weighing device is higher than the weighing accuracy of the quantitative packaging device; The weighing accuracy is higher than that of the double-check weighing device. When the samples taken by the sampling and weighing device are all qualified, the samples will be output directly through the finished product output device; when the samples are unqualified by the weighing and analysis of the sampling and weighing device, the quantitative packaging device and re-weighing need to be stopped. The device is checked and ...

Embodiment 2

[0066] A material product packaging weight control method, comprising the following steps:

[0067] 1) Sampling inspection: Sampling inspection is carried out on the finished packaged products on a regular basis. The specific operation method is to randomly select several groups of products from the same batch from the continuously running quantitative packaging device, and select one group at an interval of 10-15 minutes, for a total of 25 groups. Using the method of multiple weighing, weigh the net weight one by one and record the data. The measured value is recorded with two decimal places, the average value with three decimal places, and the standard deviation with five decimal places. The number of weighings is 5 times. Calculate the mean and standard deviation, and the results are shown in Table 2;

[0068] Table 2 Preliminary data record table

[0069]

[0070] 2) Calculation: Calculate the total average value X of all recorded measurements 总 and the mean standard ...

Embodiment 3

[0080] A material product packaging weight control method, comprising the following steps:

[0081] 1) Sampling inspection: Sampling inspection is carried out on the finished packaged products on a regular basis. The specific operation method is to randomly select several groups of products from the same batch from the continuously running quantitative packaging device, and select one group at an interval of 10-15 minutes, for a total of 25 groups. Using the method of multiple weighing, weigh the net weight one by one and record the data. The measured value is recorded with two decimal places, the average value with three decimal places, and the standard deviation with five decimal places. The number of weighings is 5 times. Calculate the mean and standard deviation, and the results are shown in Table 3;

[0082] Table 3 Preliminary data record table

[0083]

[0084]

[0085] 2) Calculation: Calculate the total average value X of all recorded measurements 总 and the me...

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Abstract

The invention discloses a material product packaging weight control method and control system and belongs to the technical field of quantitative commodity packaging. The material product packaging weight control method includes casual inspection, calculation, S graph analysis, X graph analysis and the like; the material product packaging weight control system comprises a conveying device for a finished product to be packaged, a quantitative packaging device, a re-check weighing device, a finished product outputting device and a sampling and weighing device, the conveying device for the finished product to be packaged, the quantitative packaging device, re-check weighing device and finished product outputting device are connected in sequence, and the sampling and weighing device is connected with the re-check weighing device. According to the technical scheme, the closed-loop control is realized through regular and online casual inspection, the reason is found and corrected quickly, the control efficiency is high, the quantitatively packaged commodity weight consistency is improved, the error of the quantitatively packaged product with net content 50 kilograms is controlled in 0.1 kilograms, the control requirements of the Measures for the Measurement Supervision and Administration of Prepackaged Commodities with Fixed Content are satisfied, and the loss caused by the positive weighing error is greatly reduced in the packaging process.

Description

technical field [0001] The invention belongs to the technical field of quantitative packaging of commodities, and relates to a weight control method of material product packaging and a control system thereof. Background technique [0002] In the current quantitative packaging control technology of production-oriented enterprises, most of the control of net content error is to carry out random inspection after packaging to detect the net content error of the same batch of products after packaging. Product packaging equipment is adjusted and calibrated. However, it is difficult to effectively control the errors in the packaging process. Once the packaging weight error in a batch of products fluctuates greatly, it cannot be reworked in batches, which will bring certain benefits to the later sales of the batch of products. difficulty. For the chemical industry, especially the powdery products in phosphate fertilizer products, it is very difficult to control the net content. It...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65B1/32B65B1/46
CPCB65B1/32B65B1/46
Inventor 余庆庆刘荣勇李义唐松
Owner GUIYANG KAILIN FERTILIZER CO LTD