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Method for integrating and optimizing plate type product cut and blanking, box dividing and rack dividing

An optimization method and product technology, applied in the direction of instruments, manufacturing computing systems, data processing applications, etc., can solve problems such as loading errors, failure to consider sub-racks, and unplanned sub-material drop racks, etc., to improve automation levels, speed up production rates, The effect of improving operating efficiency

Active Publication Date: 2019-01-01
GUANGDONG UNIV OF TECH
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Problems solved by technology

At the same time, because the unloading process does not consider sub-racks, the subsequent sub-materials are not planned, the number of racks used by humans is uncontrollable, and the process of sub-materials is prone to confusion and loading errors

Method used

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  • Method for integrating and optimizing plate type product cut and blanking, box dividing and rack dividing
  • Method for integrating and optimizing plate type product cut and blanking, box dividing and rack dividing
  • Method for integrating and optimizing plate type product cut and blanking, box dividing and rack dividing

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Embodiment Construction

[0042] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0043] Such as Figure 1-4 As shown, assuming that there are n types of sub-materials and m types of raw materials, the sub-materials are arranged on the raw materials according to the rules to form a blanking plan k, and the raw materials are cut according to the arrangement of the sub-materials. After cutting, The sub-materials are sorted and loaded onto the racks, and then transported to the next processing equipment for processing through the circulation of the racks. For example, in the process of plate production and processing, the loading of sub-materials is based on the process card, and the cutting of raw materials will form multiple process cards, that is, one process card contains sub-materials of one specification, and one sub-material can be divided into one or more process card. A shelf can be loaded ...

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Abstract

A method for integrating and optimizing plate-type product cut, blanking, dividing into boxes and rack includes such steps as A, grouping sub-materials, generating layout column scheme according to sub-material area, and returning that column scheme to two-dimensional layout scheme by using grouping strategy when the generated column scheme is larger than sub-material scale, otherwise, the blanking and nesting of a single block of raw material being directly carried out by using the histochemical strategy; B, dividing and conquering the two-dimensional layout scheme of the step A by an integrated Cplex engine to obtain a plurality of approximate optimal layout schemes; C, searching for a layout scheme that satisfies the falling frame constraint; when the closest optimal layout scheme doesnot satisfy the drop-off constraint, returning to step A, dismantling the molecular material again, increasing the number of sub-material grouping, and generating a new layout scheme; D: carrying outcase division and shelving. The integrated optimization method not only improves the utilization rate of raw materials, but also improves the automation level of the production line, speeds up the production rate of the products and improves the operation efficiency of the production line.

Description

technical field [0001] The invention relates to the technical field of plate cutting, in particular to an integrated optimization method for plate product cutting and blanking, and case and frame division. Background technique [0002] The problem of cutting and blanking exists in various fields of the manufacturing industry, such as glass production and processing, panel furniture and other panel products. The traditional blanking problem only considers the optimization of a single blanking process, and pursues the high utilization rate of raw materials, but ignores the impact of blanking optimization on the subsequent processing process. Therefore, the solution obtained by a single cutting and blanking optimization is a local optimum untie. While studying the blanking problem, it needs to be studied jointly with other optimization processes to form a joint optimization problem. [0003] For the cutting and blanking of panel products and the division of boxes and racks, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/04
CPCG06Q10/04G06Q10/043G06Q50/04Y02P90/30
Inventor 刘强严都喜张浩魏丽军
Owner GUANGDONG UNIV OF TECH
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