CN-121979117-A - Coordinated control method for numerical control uncoiling leveling flying shear production line

CN121979117ACN 121979117 ACN121979117 ACN 121979117ACN-121979117-A

Abstract

The application is suitable for the technical field of industrial automation, and particularly relates to a coordinated control method of a numerical control uncoiling leveling flying shear production line, which comprises the steps of obtaining preset coordinated data and preset coordinated result data of the production line in a preset period; according to the preset linkage coordination data and the preset linkage result data, the linkage data set is adjusted to obtain an adjustment data set, according to the adjustment data set, target linkage coordination data of the production line in a target period is obtained, and linkage coordination control is performed on stations of the uncoiling, leveling and flying shears according to the target linkage coordination data. The method provided by the application can solve the problems that the preset process matching formula cannot adapt to the working condition of dynamic change in real time, and the calculated theoretical data is possibly not matched with the actual production requirement, so that the production quality is low.

Inventors

Lin Biyou
Cai Saihuai
ZHONG YUPING
ZHU FENFANG
DENG JIANBO

Assignees

浙江屹立金属材料有限公司

Dates

Publication Date: 20260505
Application Date: 20260128

Claims (10)

1. A coordinated control method for a numerical control uncoiling leveling flying shear production line is characterized in that, The method comprises the steps of acquiring preset linkage cooperative data and preset linkage result data of a production line in a preset period, wherein the preset linkage cooperative data are data with the largest value corresponding to linkage result data obtained by calculation according to a linkage data set and the linkage cooperative data, the largest value is used for reflecting the highest processing quality of a plate corresponding to the linkage result data, the preset linkage cooperative data are a group of candidate linkage cooperative data with the highest processing quality selected from a plurality of groups of calculation linkage results, the plurality of groups of calculation linkage results are a plurality of groups of results calculated according to the linkage data set and the plurality of groups of candidate linkage cooperative data, and the linkage data set is used for reflecting the correlation between the linkage cooperative data and the linkage result data and is obtained after the production line runs according to the preset linkage cooperative data; the linkage data set is adjusted according to the preset linkage cooperative data and the preset linkage result data to obtain an adjustment data set, wherein the deviation amount corresponding to the adjustment data set is lower than the deviation amount corresponding to the linkage data set, and the deviation amount corresponding to the adjustment data set is calculated according to the calculated linkage result data obtained by calculating the adjustment data set and the linkage cooperative data and the deviation amount between the linkage result data obtained after the production line is actually operated; obtaining target linkage cooperative data of the production line in a target period according to the adjustment data set; the production line can calculate the target linkage result data according to the target linkage cooperative data and the adjustment data set, and the plate processing quality corresponding to the target linkage result data is the highest value; and carrying out linkage cooperative control on each station of the uncoiling, leveling and flying shears according to the target linkage cooperative data.
2. The coordinated control method of a numerically controlled uncoiling leveling flying shear production line according to claim 1, wherein the adjusting the coordinated data set according to the preset coordinated data and the preset coordinated result data to obtain an adjusted data set comprises: Constructing a linkage deviation curve, wherein the linkage deviation curve carries linkage result data, a linkage data set and linkage cooperative data, and the linkage deviation curve is used for reflecting the variation trend of deviation between calculated linkage result data obtained by calculation according to the linkage data set and the linkage cooperative data and the linkage result data carried by the linkage deviation curve; Acquiring corresponding target data carried by the linkage deviation curve when linkage deviation is lowest, wherein the target data are used for adjusting the linkage data set according to linkage cooperative data carried by the linkage deviation curve and linkage result data; And obtaining the adjustment data set according to the preset linkage cooperative data, the preset linkage result data, the linkage data set and the target data.
3. The coordinated control method of the numerical control uncoiling leveling flying shear production line according to claim 2, wherein the obtaining of the corresponding target data when the linkage deviation carried by the linkage deviation curve is the lowest comprises the following steps: Acquiring preset data corresponding to the lowest linkage deviation carried by the linkage deviation curve, wherein the type of the preset data is the same as the type of the target data, and the preset data and the target data both carry a calculation factor; Calculating a section corresponding to the calculation factor of the preset data according to the linkage deviation curve; and obtaining the target data according to the interval corresponding to the calculation factor of the preset data.
4. The coordinated control method of a numerically controlled uncoiling leveling flying shear production line according to claim 1, wherein the obtaining target coordinated data of the production line in a target period according to the adjustment data set comprises: And determining target linkage cooperative data of the production line in the target period according to the adjustment data set and target result data, wherein the target result data is preset plate processing quality data corresponding to the linkage result data.
5. The coordinated control method of a numerically controlled uncoiling leveling flying shear production line according to claim 2, wherein after obtaining the target data corresponding to the lowest linkage deviation carried by the linkage deviation curve, the method further comprises: and generating adjustment information according to the fluctuation suppression factors, wherein the fluctuation suppression factors are used for weakening the interference of the instantaneous fluctuation of the operation parameters of each station on the linkage result data.
6. The coordinated control method of a numerically controlled uncoiling leveling flying shear production line according to claim 2, wherein the obtaining the adjustment data set according to the preset coordinated data, the preset coordinated result data, the coordinated data set and the target data comprises: and obtaining the adjustment data set according to the preset linkage cooperative data, the preset linkage result data, the linkage data set, the adjustment information and the target data.
7. The coordinated control method of a numerically controlled uncoiling leveling flying shear production line according to claim 1, wherein the obtaining target coordinated data of the production line in a target period according to the adjustment data set comprises: And obtaining target linkage cooperative data of the production line in the target period according to the adjustment data set, the lower limit threshold and the upper limit threshold of the operation data of each station, wherein the value corresponding to the target linkage cooperative data is in the upper limit threshold interval and the lower limit threshold interval of the operation data of each station.
8. The coordinated control method for the numerical control uncoiling and leveling flying shear production line according to claim 1, wherein the coordinated control for uncoiling, leveling and flying shear station operation according to the target coordinated data comprises the following steps: generating linkage instructions of each station of the uncoiling, leveling and flying shears according to the target linkage cooperative data, wherein the linkage instructions are used for driving the uncoiling station, the leveling station and the flying shears to synchronously operate according to corresponding operation data; And responding to the linkage instruction, and executing linkage cooperative control on each station of the uncoiling, leveling and flying shears.
9. A production line linkage cooperative control system, which is applied to a production line and is used for realizing the numerical control uncoiling leveling flying shear production line linkage cooperative control method according to any one of claims 1 to 8, wherein the production line linkage cooperative control system comprises: The system comprises an acquisition unit, a linkage processing unit and a linkage processing unit, wherein the acquisition unit is used for acquiring preset linkage cooperative data and preset linkage result data of a production line in a preset period, the preset linkage cooperative data is data with the maximum value corresponding to linkage result data calculated according to a linkage data set and the linkage cooperative data, the maximum value is used for reflecting the highest processing quality of a plate material corresponding to the linkage result data, the preset linkage cooperative data is a group of candidate linkage cooperative data with the highest processing quality selected from a plurality of groups of estimated linkage results, the plurality of groups of estimated linkage results are a plurality of groups of results calculated according to the linkage data set and the plurality of groups of candidate linkage cooperative data, the linkage data set is used for reflecting the correlation between the linkage cooperative data and the linkage result data, and the preset linkage result data is the result data acquired after the production line operates according to the preset linkage cooperative data; The device comprises an adjustment unit, a linkage data set generation unit and a linkage data set generation unit, wherein the adjustment unit is used for adjusting the linkage data set according to the preset linkage cooperative data and the preset linkage result data to obtain an adjustment data set, the deviation corresponding to the adjustment data set is lower than the deviation corresponding to the linkage data set, and the deviation corresponding to the adjustment data set is calculated according to the calculated linkage result data of the adjustment data set and the linkage cooperative data and the deviation between the linkage result data obtained after the actual operation of the production line; The production line can calculate the obtained target linkage result data according to the target linkage cooperative data and the adjustment data set, and the processing quality of the plate corresponding to the target linkage result data is the highest value; And the coordination unit is used for executing coordinated control on each station of the uncoiling, leveling and flying shears according to the target coordinated coordination data.
10. A production line comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the method according to any one of claims 1 to 8 when executing the computer program.

Description

Coordinated control method for numerical control uncoiling leveling flying shear production line Technical Field The application belongs to the technical field of industrial automation, and particularly relates to a coordinated control method of a numerical control uncoiling leveling flying shear production line. Background The numerical control uncoiling leveling flying shear production line is continuous production equipment for automatically uncoiling and flattening a metal coiled material (such as a cold rolled plate, a hot rolled plate, a galvanized plate, a stainless steel strip and the like) into a fixed-length coiled plate by accurate cutting according to a set length. In the prior art, according to a preset process matching formula, data such as the unreeling speed of an uncoiler and the roll system rotating speed of a multi-roll leveling machine in a digital control unreeling leveling flying shear production line are calculated, so that theoretical data (such as the shearing frequency of a theoretical flying shear) are obtained, and the linkage control of the production line is realized. However, in the actual production process, the production line is affected by various complex interference factors, such as fluctuation of strip steel materials, thickness deviation, equipment running wear, bearing clearance change, external load disturbance, environmental temperature change and the like, and because a preset process matching formula is preset, the working conditions of the dynamic changes cannot be adapted in real time, and the calculated theoretical data and the actual production requirements are possibly not matched, so that the problem of low production quality is caused. Disclosure of Invention The embodiment of the application provides a coordinated control method for a numerical control uncoiling leveling flying shear production line, which can solve the problems that in the prior art, the production line is affected by various complex interference factors, and because a preset process matching formula is preset, the working conditions of dynamic changes cannot be adapted in real time, the calculated theoretical data are possibly mismatched with actual production requirements, and the production quality is low. In a first aspect, an embodiment of the present application provides a coordinated control method for a numerically controlled uncoiling leveling flying shear production line, including: The method comprises the steps of acquiring preset linkage cooperative data and preset linkage result data of a production line in a preset period, wherein the preset linkage cooperative data are data with the largest value corresponding to linkage result data obtained by calculation according to a linkage data set and the linkage cooperative data, the largest value is used for reflecting the highest processing quality of a plate corresponding to the linkage result data, the preset linkage cooperative data are a group of candidate linkage cooperative data with the highest processing quality selected from a plurality of groups of calculation linkage results, the plurality of groups of calculation linkage results are a plurality of groups of results calculated according to the linkage data set and the plurality of groups of candidate linkage cooperative data, and the linkage data set is used for reflecting the correlation between the linkage cooperative data and the linkage result data and is obtained after the production line runs according to the preset linkage cooperative data; the linkage data set is adjusted according to the preset linkage cooperative data and the preset linkage result data to obtain an adjustment data set, wherein the deviation amount corresponding to the adjustment data set is lower than the deviation amount corresponding to the linkage data set, and the deviation amount corresponding to the adjustment data set is calculated according to the calculated linkage result data obtained by calculating the adjustment data set and the linkage cooperative data and the deviation amount between the linkage result data obtained after the production line is actually operated; obtaining target linkage cooperative data of the production line in a target period according to the adjustment data set; the production line can calculate the target linkage result data according to the target linkage cooperative data and the adjustment data set, and the plate processing quality corresponding to the target linkage result data is the highest value; and carrying out linkage cooperative control on each station of the uncoiling, leveling and flying shears according to the target linkage cooperative data. The technical scheme provided by the embodiment of the application at least has the following technical effects: The application provides a coordinated control method for a numerical control uncoiling leveling flying shear production line, which is used for acquiring preset coordinated data and preset coor