CN-121972371-A - Glue coating machine control method and system

CN121972371ACN 121972371 ACN121972371 ACN 121972371ACN-121972371-A

Abstract

The application relates to a control method and a control system of a glue coating machine, and relates to the field of equipment control technology; the method comprises the steps of determining pixel heights of pixel points in a material surface image, carrying out difference calculation according to the pixel heights and a reference height to determine actual coating thickness, carrying out difference calculation according to required coating thickness and actual coating thickness to determine difference coating thickness, determining an allowable adjustment distance range according to the difference coating thickness and an allowable difference range, carrying out intersection processing according to all the allowable adjustment distance ranges to determine a standard adjustment distance range, selecting a unique actual adjustment distance from the standard adjustment distance range, matching the actual adjustment distance with a rotation angle range, and carrying out movement control on a metering roller according to the actual adjustment distance when the coating roller rotates to the rotation angle range. The application has the function of improving the overall operation effect of glue coating operation.

Inventors

Zhou Shuiguo
GE FEIXIONG

Assignees

宁波内索尔工具有限公司

Dates

Publication Date: 20260505
Application Date: 20250528

Claims (8)

1. A glue coater control method, comprising: Acquiring a required coating thickness, a material surface image of a preset coating outlet area and a corresponding rotating angle range of a coating roller; determining the pixel height of each pixel point in the material surface image, and calculating a difference value according to the pixel height and a preset reference height to determine the actual coating thickness; Performing difference calculation according to the required coating thickness and the actual coating thickness to determine a difference coating thickness; Determining a permissible adjustment distance range according to the difference coating thickness and a preset permissible difference range, and performing intersection processing according to all the permissible adjustment distance ranges to determine a standard adjustment distance range; And selecting a unique actual adjustment distance from the standard adjustment distance range, matching the actual adjustment distance with the rotation angle range, and performing movement control on the metering roller according to the actual adjustment distance when the coating roller rotates to the rotation angle range.
2. The glue applicator control method of claim 1, wherein after the standard adjustment distance range is determined, the glue applicator control method further comprises: judging whether the standard adjustment distance range is empty or not; if the standard adjustment distance range is not empty, determining the actual adjustment distance; if the standard adjustment distance range is empty, outputting an abnormal prompt signal, selecting any number of allowable adjustment distance ranges from all the allowable adjustment distance ranges to construct a distance range set, and defining a distance range set which has an intersection and is not empty in each allowable adjustment distance range in the distance range set as an effective range set; counting according to the allowable adjustment distance ranges in each effective range set to determine the number of internal ranges; determining the number of the internal ranges with the largest numerical value according to a preset ordering rule, defining a distance range set corresponding to the number of the internal ranges with the largest numerical value as a use range set, and determining a standard adjustment distance range according to the allowable adjustment distance range in the use range set.
3. The glue applicator control method of claim 2, wherein after the number of internal ranges is determined, the glue applicator control method further comprises: Judging whether at least two distance range sets with the same number and the maximum inner range exist or not; if at least two distance range sets with the same number of the inner ranges and the maximum number of the inner ranges do not exist, defining the distance range set corresponding to the inner range with the maximum number as a use range set; If at least two distance range sets with the same number of the inner ranges and the maximum number of the inner ranges exist, defining the distance range set corresponding to the inner range set with the maximum number as an alternative range set, defining the standard adjustment distance range determined by the alternative range set as a reasonable distance range, and defining the allowable adjustment distance range outside the alternative range set as an external distance range; randomly generating an analog adjustment distance in a reasonable distance range, and determining a numerical distance according to the analog adjustment distance and an external distance range; Calculating according to all the numerical distances to determine simulation reasonable parameters, determining simulation reasonable parameters with the largest numerical values according to the ordering rule, and defining the simulation reasonable parameters with the largest numerical values as binding reasonable parameters of the alternative range set; And determining a binding reasonable parameter with the largest numerical value according to the ordering rule, determining an alternative range set corresponding to the binding reasonable parameter as a use range set, and defining a simulation adjustment distance corresponding to the binding reasonable parameter as an actual adjustment distance.
4. The glue spreader control method according to claim 3, wherein after the abnormal cue signal is outputted and the actual adjustment distance is determined, the glue spreader control method further comprises: counting according to the external distance range to determine the number of the external ranges; calculating according to the number of the internal ranges and the number of the external ranges to determine the internal number ratio; Judging whether the internal quantity duty ratio is larger than a preset demand quantity duty ratio or not; If the internal quantity ratio is larger than the required quantity ratio, maintaining the operation of the glue coating machine; and if the internal quantity proportion is not greater than the required quantity proportion, controlling the glue coating machine to stop operation and outputting a wear prompt signal.
5. A method of controlling a glue applicator as defined in claim 3, further comprising the step of selecting a unique actual adjustment distance from a range of standard adjustment distances, the step comprising: combining standard adjustment distance ranges corresponding to all rotation angle ranges according to a preset circumference rule to construct a circumference range combination; randomly selecting a virtual adjustment distance from the corresponding standard adjustment distance ranges according to the sequence in the circle range combination; Enclosing each virtual adjustment distance according to the rotation angle range to form a data ring, determining the adjacent virtual adjustment distances of each virtual adjustment distance in the data ring according to the preset change direction, and performing difference calculation according to each adjacent virtual adjustment distance to determine adjacent adjustment difference values; Calculating the average value according to all adjacent adjustment difference values to determine an adjacent adjustment average value; And determining the adjacent adjustment mean value with the smallest value according to the ordering rule, and determining each virtual adjustment distance corresponding to the adjacent adjustment mean value with the smallest value as the actual adjustment distance corresponding to each rotation angle range.
6. The method according to claim 5, wherein after determining the adjacent adjustment mean value, the method further comprises: judging whether at least two data rings with the same adjacent adjustment mean value and the smallest data ring exist or not; If at least two data rings with the same adjacent adjustment mean value and the minimum adjustment mean value do not exist, determining the actual adjustment distance corresponding to each rotation angle range according to the data ring corresponding to the minimum adjacent adjustment mean value; If at least two data rings with the same adjacent adjustment mean value and the minimum adjustment mean value exist, determining an adjustment difficulty coefficient corresponding to the adjacent adjustment difference value according to a preset difficulty matching relation; Summing calculation is carried out according to all the adjustment difficulty coefficients so as to determine the operation difficulty coefficient of the whole circle; and determining the practical adjustment distance corresponding to each rotation angle range according to the data circle corresponding to the whole circle operation difficulty coefficient with the minimum value.
7. A glue applicator control system, comprising: the acquisition module is used for acquiring the required coating thickness, a material surface image of a preset coating outlet area and a corresponding rotation angle range of the coating roller; The processing module is connected with the acquisition module and used for storing and processing information; The processing module determines the pixel height of each pixel point in the material surface image, and calculates the difference value according to the pixel height and the preset reference height to determine the actual coating thickness; The processing module calculates a difference value according to the required coating thickness and the actual coating thickness to determine a difference value coating thickness; The processing module determines a permissible adjustment distance range according to the difference coating thickness and a preset permissible difference range, and performs intersection processing according to all the permissible adjustment distance ranges to determine a standard adjustment distance range; the processing module selects a unique actual adjustment distance from the standard adjustment distance range, matches the actual adjustment distance with the rotation angle range, and performs movement control on the metering roller according to the actual adjustment distance when the coating roller rotates to the rotation angle range.
8. A computer readable storage medium, characterized in that a computer program is stored which can be loaded by a processor and which performs the method according to any of claims 1 to 6.

Description

Glue coating machine control method and system Technical Field The application relates to the field of equipment control technology, in particular to a control method and a control system of a glue coating machine. Background The glue coater is a device for uniformly coating glue on the surface of a specific material, and can be classified into a hot melt glue coater, a blade coater, a roll coater, a spray coater, a dip coater, a transfer coater, etc., according to different working mechanisms. When the roller type coating machine is used, glue to be coated is firstly supplied to the coating roller through the glue supply system, then the unreeling device and the reeling device are controlled to operate simultaneously so as to drive the material to be coated with the glue to move, at the moment, the material can be uniformly coated on the surface of the material through a gap between the coating roller and the metering roller, and the gap distance between the metering roller and the coating roller is controlled so as to effectively control the thickness of the glue coating. In the above related art, during the use of the coating roller, the coating roller will wear to some extent, and when the coating roller wears to some extent, the gap distance between the coating roller and the metering roller will increase compared with the set distance, so that the thickness of the glue on the surface of the material will increase, not only the loss of the glue is increased, but also the quality of the obtained glue coating material is poor, so that the overall operation effect of the glue coating operation is poor, and there is room for improvement. Disclosure of Invention In order to improve the overall operation effect of glue coating operation, the application provides a control method and a control system of a glue coating machine. In a first aspect, the present application provides a method for controlling a glue coater, which adopts the following technical scheme: A glue coater control method comprising: Acquiring a required coating thickness, a material surface image of a preset coating outlet area and a corresponding rotating angle range of a coating roller; determining the pixel height of each pixel point in the material surface image, and calculating a difference value according to the pixel height and a preset reference height to determine the actual coating thickness; Performing difference calculation according to the required coating thickness and the actual coating thickness to determine a difference coating thickness; Determining a permissible adjustment distance range according to the difference coating thickness and a preset permissible difference range, and performing intersection processing according to all the permissible adjustment distance ranges to determine a standard adjustment distance range; And selecting a unique actual adjustment distance from the standard adjustment distance range, matching the actual adjustment distance with the rotation angle range, and performing movement control on the metering roller according to the actual adjustment distance when the coating roller rotates to the rotation angle range. Optionally, after the standard adjustment distance range is determined, the glue coater control method further includes: judging whether the standard adjustment distance range is empty or not; if the standard adjustment distance range is not empty, determining the actual adjustment distance; if the standard adjustment distance range is empty, outputting an abnormal prompt signal, selecting any number of allowable adjustment distance ranges from all the allowable adjustment distance ranges to construct a distance range set, and defining a distance range set which has an intersection and is not empty in each allowable adjustment distance range in the distance range set as an effective range set; counting according to the allowable adjustment distance ranges in each effective range set to determine the number of internal ranges; determining the number of the internal ranges with the largest numerical value according to a preset ordering rule, defining a distance range set corresponding to the number of the internal ranges with the largest numerical value as a use range set, and determining a standard adjustment distance range according to the allowable adjustment distance range in the use range set. Optionally, after the number of the inner ranges is determined, the glue coater control method further includes: Judging whether at least two distance range sets with the same number and the maximum inner range exist or not; if at least two distance range sets with the same number of the inner ranges and the maximum number of the inner ranges do not exist, defining the distance range set corresponding to the inner range with the maximum number as a use range set; If at least two distance range sets with the same number of the inner ranges and the maximum number of the inner ranges exist, defi