CN-117531842-B - Control system for optimizing rolling thickness of aluminum foil

CN117531842BCN 117531842 BCN117531842 BCN 117531842BCN-117531842-B

Abstract

The invention discloses a control system for optimizing the rolling thickness of an aluminum foil, which is characterized in that a device monitoring module is used for acquiring state data of an aluminum foil rolling device before rolling, identifying the state of the aluminum foil rolling device based on the state data, and sending an initial detection normal signal of the aluminum foil rolling device to a cloud management platform, wherein the aluminum foil rolling module receives the initial detection normal signal of the aluminum foil rolling device of the cloud management platform, invokes an internally stored aluminum foil rolling control program to roll the aluminum foil, and receives a deviation correcting signal transmitted by a monitoring optimizing module to correct the aluminum foil rolling control program, and the monitoring optimizing module is used for monitoring and optimizing the thickness of the rolled aluminum foil to obtain a forward deviation correcting signal of the aluminum foil rolling device or a reverse deviation correcting signal of the aluminum foil rolling device.

Inventors

CUI GUANGJIAN
YU LINGJIE
WANG YUZHONG

Assignees

江苏中基新能源科技集团有限公司

Dates

Publication Date: 20260505
Application Date: 20231008

Claims (7)

1. A control system for optimizing the rolling thickness of an aluminum foil, comprising: The equipment monitoring module is used for acquiring state data of the aluminum foil rolling equipment before rolling, identifying the state of the aluminum foil rolling equipment based on the state data, and sending an initial detection normal signal of the aluminum foil rolling equipment to the cloud management platform; the aluminum foil rolling module receives the initial detection normal signal of the aluminum foil rolling equipment of the cloud management platform, invokes an internally stored aluminum foil rolling control program to roll the aluminum foil, and receives the deviation correction signal transmitted by the monitoring optimization module to correct the aluminum foil rolling control program; The monitoring and optimizing module is used for monitoring and optimizing the thickness of the rolled aluminum foil to obtain a forward deviation rectifying signal of the aluminum foil rolling equipment or a reverse deviation rectifying signal of the aluminum foil rolling equipment; The state data comprise the cleanliness, maintenance data and operation dynamic data of the aluminum foil rolling equipment; the cleanliness is obtained through evaluation by staff, and the cleanliness is marked as Z1; The maintenance data is the maintenance frequency of equipment by staff, and the maintenance data is marked as Z2; the running dynamic data is obtained by weighting the vibration frequency and the noise decibel value of the equipment when the equipment is started, and the running dynamic data is marked as Z3; By the formula Calculating to obtain a primary detection coefficient Zi of the aluminum foil rolling equipment, wherein a1, a2 and a3 are all preset proportional coefficients; presetting a primary detection coefficient threshold value of aluminum foil rolling equipment as Zj; If Zi is more than or equal to Zj, judging that the state data of the aluminum foil rolling equipment is normal, generating an initial detection normal signal of the aluminum foil rolling equipment, and sending the initial detection normal signal of the aluminum foil rolling equipment to a cloud management platform, wherein the cloud management platform sends the initial detection normal signal of the aluminum foil rolling equipment to an aluminum foil rolling module; if Zi < Zj, judging that the state data of the aluminum foil rolling equipment is abnormal, generating an aluminum foil rolling equipment primary detection abnormal signal, sending the aluminum foil rolling equipment primary detection abnormal signal to a cloud management platform, and sending the aluminum foil rolling equipment primary detection abnormal signal to a monitoring and early warning module by the cloud management platform.
2. The control system for optimizing the rolling thickness of the aluminum foil according to claim 1, wherein the monitoring optimization module comprises the following specific monitoring optimization processes: Dividing the seven rolled aluminum foils into a monitoring target group, and respectively obtaining the size data of the thickness of the rolled aluminum foils in the monitoring target group; w2, when the monitoring optimization module obtains normal aluminum foil rolling operation signals, removing the maximum value and the minimum value in the monitoring target group to obtain the average value of the thickness dimension of the residual aluminum foil in the monitoring target group, and marking the average value as a target average value Bi; S8, establishing an X-Y two-dimensional plane coordinate system, taking an X axis as the number of monitoring target groups, taking a Y axis as the thickness dimension of the aluminum foil, presetting the thickness standard dimension of aluminum foil rolling as B0, taking the thickness standard dimension B0 of the aluminum foil rolling as a straight line parallel to the X axis in the X-Y two-dimensional plane coordinate system, and marking the straight line obtained by the thickness standard dimension of the aluminum foil rolling as a standard line; S9, drawing points on the target average value of the monitoring target group in an X-Y two-dimensional plane coordinate system, and connecting the target average values of all the monitoring target groups from left to right by using a smooth curve to obtain an actual aluminum foil rolling oscillogram; and S10, making perpendicular lines with the standard line on two end points of the actual aluminum foil rolling oscillogram to obtain the closed actual aluminum foil rolling oscillogram.
3. The control system for optimizing the rolling thickness of the aluminum foil according to claim 2, wherein an image area above a standard line in a closed actual waveform diagram of the aluminum foil rolling is obtained, the image area above the standard line is marked as a forward image area, and the forward image area is marked as +Bm; acquiring an image area below a standard line in a closed aluminum foil rolling actual waveform chart, marking the image area below the standard line as a negative image area, and marking the negative image area as-Bn; And adding the positive image area mark as +Bm and the negative image area mark as-Bn to obtain a correction area Bmn.
4. A control system for optimizing the rolling thickness of an aluminum foil according to claim 3, wherein if the correction area Bmn is smaller than 0, generating a forward deviation correcting signal of the aluminum foil rolling equipment, and transmitting the forward deviation correcting signal of the aluminum foil rolling equipment to the cloud management platform; if the correction area Bmn is larger than 0, generating an aluminum foil rolling equipment reverse deviation correcting signal, and transmitting the aluminum foil rolling equipment reverse deviation correcting signal to a cloud management platform; if the correction area Bmn is equal to 0, the generated aluminum foil rolling equipment works normally without deviation correcting signals.
5. The control system for optimizing the rolling thickness of aluminum foil according to claim 4, wherein in W2, the process of obtaining the normal signal of the rolling operation of the aluminum foil by the monitoring optimizing module is as follows: The average value and variance of the actual size of the aluminum foil in the monitoring target group are obtained, the average value of the actual size is marked as L1, and the variance of the actual size is marked as L11; the preset size of the thickness of the rolled aluminum foil is marked as L2, and the preset variance of the thickness of the rolled aluminum foil is marked as L22; comparing the actual size variance L11 with a preset variance L22; when the actual size variance L11 is more than or equal to the preset variance L22, an alarm signal is obtained; When the actual size variance L11 is smaller than the preset variance L22, calculating to obtain an error value L3 of aluminum foil processing through a formula L3= |L1-L2|; Presetting a reservation threshold value of an aluminum foil processing size as Ly, and comparing an error value L3 of aluminum foil processing with the reservation threshold value Ly: when the error value L3 is less than or equal to the reserved threshold value Ly, the aluminum foil processing size of the current monitoring target group is free of problems, and the monitoring optimization module is used for monitoring the next monitoring target group; when the error value L3 is greater than the reserved threshold Ly, the problem of processing size of the aluminum foil in the current monitoring target group is indicated, and a warning signal is obtained.
6. The control system for optimizing the rolling thickness of the aluminum foil according to claim 5, wherein when the monitoring optimizing module generates a warning signal, the monitoring optimizing module independently collects thickness data of the aluminum foil in the monitoring target group to obtain an abnormal-size aluminum foil mark as an abnormal aluminum foil; identifying thickness data of the rest aluminum foils after the abnormal aluminum foil processing sequence; if the thickness data of the rest aluminum foils after the abnormal aluminum foil processing sequence is changed linearly along the abrupt change direction of the abnormal aluminum foil thickness data, generating an abnormal aluminum foil rolling signal; and if the thickness data of the rest aluminum foils after the abnormal aluminum foil processing sequence does not linearly change along the abrupt change direction of the abnormal aluminum foil thickness data, generating an aluminum foil rolling normal signal.
7. The control system for optimizing the rolling thickness of the aluminum foil according to claim 1, further comprising a monitoring and early warning module, wherein the monitoring and early warning module alarms an initial detection abnormal signal of the aluminum foil rolling equipment and an abnormal signal of the aluminum foil rolling operation.

Description

Control system for optimizing rolling thickness of aluminum foil Technical Field The invention relates to the technical field of aluminum foil processing control, in particular to a control system for optimizing the rolling thickness of an aluminum foil. Background Aluminum foil is a sheet directly rolled from metallic aluminum and is commonly used as a hot stamping material, a capacitor, a packaging material and the like. A control system for optimizing the rolling thickness of the aluminum foil is disclosed in patent application number 201710820816.2. The control system comprises a hydraulic control module, an inner ring control module and an outer ring control module, wherein the hydraulic control module comprises a hydraulic cylinder and a servo driving unit, the hydraulic cylinder is in transmission connection with the servo driving unit, a displacement sensor and a pressure sensor are arranged on the hydraulic cylinder, the inner ring control module comprises a rolling mill stand control unit, the hydraulic control module is electrically connected with the rolling mill stand control unit, the outer ring control module comprises a thickness control unit, a thickness measuring unit, a rolling mill transmission control unit, an uncoiler transmission control unit, a coiling machine transmission control unit and a speed measuring unit, and a variable gain integral controller, a Smith predictor and a compensator are arranged in the thickness control unit. According to the scheme, the yield of the rolling mill can be improved, but correction of the aluminum foil in the rolling process is absent in the prior art, and once deviation of the aluminum foil in the rolling process is not easy to perceive, the whole rolling quality of the aluminum foil is poor. Disclosure of Invention The invention aims to provide a control system for optimizing the rolling thickness of an aluminum foil, wherein an aluminum foil rolling module of the invention calls an aluminum foil rolling control program to correct the aluminum foil rolling control program by receiving a deviation correcting signal transmitted by a cloud management platform in the rolling process of the aluminum foil, so that the aluminum foil rolling thickness is optimized, namely, when the deviation correcting signal is a forward deviation correcting signal, the aluminum foil rolling control program is corrected to increase the rolling thickness of the current aluminum foil, and when the deviation correcting signal is a reverse deviation correcting signal, the aluminum foil rolling control program is corrected to reduce the rolling thickness of the current aluminum foil, thereby realizing the correction of the aluminum foil rolling thickness in the aluminum foil rolling process, improving the overall rolling precision of the aluminum foil and greatly improving the rolling quality of the aluminum foil. The aim of the invention can be achieved by the following technical scheme: A control system for optimizing the rolling thickness of aluminum foil, comprising: The equipment monitoring module is used for acquiring state data of the aluminum foil rolling equipment before rolling, identifying the state of the aluminum foil rolling equipment based on the state data, and sending an initial detection normal signal of the aluminum foil rolling equipment to the cloud management platform; the aluminum foil rolling module receives the initial detection normal signal of the aluminum foil rolling equipment of the cloud management platform, invokes an internally stored aluminum foil rolling control program to roll the aluminum foil, and receives the deviation correction signal transmitted by the monitoring optimization module to correct the aluminum foil rolling control program; The monitoring and optimizing module is used for monitoring and optimizing the thickness of the rolled aluminum foil to obtain a forward deviation rectifying signal of the aluminum foil rolling equipment or a reverse deviation rectifying signal of the aluminum foil rolling equipment. As a further aspect of the invention, the status data includes the cleanliness of the aluminum foil rolling equipment, maintenance data and operation dynamic data. As a further proposal of the invention, the cleanliness is obtained by the evaluation of staff, and the cleanliness is marked as Z1; The maintenance data is the maintenance frequency of equipment by staff, and the maintenance data is marked as Z2; the running dynamic data is obtained by weighting the vibration frequency and the noise decibel value of the equipment when the equipment is started, and the running dynamic data is marked as Z3; By the formula And calculating to obtain a primary detection coefficient Z i of the aluminum foil rolling equipment, wherein a1, a2 and a3 are all preset proportional coefficients. The method is further characterized in that a primary detection coefficient threshold value of aluminum foil rolling equipment is preset to be Zj;