CN113093668B - Linkage adjustment method for intelligent production line of gypsum building materials - Google Patents
Linkage adjustment method for intelligent production line of gypsum building materials Download PDFInfo
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- CN113093668B CN113093668B CN202110312048.6A CN202110312048A CN113093668B CN 113093668 B CN113093668 B CN 113093668B CN 202110312048 A CN202110312048 A CN 202110312048A CN 113093668 B CN113093668 B CN 113093668B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 237
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 54
- 239000010440 gypsum Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000004566 building material Substances 0.000 title claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 31
- 230000001276 controlling effect Effects 0.000 claims abstract description 19
- 238000010008 shearing Methods 0.000 claims description 21
- 239000007888 film coating Substances 0.000 claims description 12
- 238000009501 film coating Methods 0.000 claims description 12
- 238000013507 mapping Methods 0.000 claims description 11
- 230000007306 turnover Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000005034 decoration Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a linkage adjustment method for an intelligent production line of gypsum building materials, which comprises the steps of arranging a plurality of production lines, dividing each production line into a plurality of working sections according to the production flow, and establishing a linkage adjustment mode of the same type of control objects of the plurality of production lines; establishing a logic linkage system of a control object with the same property in all working sections of the active regulation production line, and leading the logic linkage system into a connection passive regulation production line; establishing a speed matching relation of all the workshop section regulating and controlling running speeds, and regulating and controlling the running speeds of all the workshop sections synchronously and equidirectionally by all the production lines according to the uniform speed matching relation; establishing a driving operation time matching relational expression of each section of all the production lines after the operation speed is adjusted to determine a new operation time point and operation interval time, and calculating a time point of finishing the next operation of each section; the invention can regulate and control the running speeds of a plurality of production lines in a linkage way, and can synchronously regulate and control the running speeds of different sections of the same production line in the same direction.
Description
Technical Field
The invention relates to the technical field of gypsum building material production lines, in particular to a linkage adjusting method for an intelligent gypsum building material production line.
Background
The multifunctional decorative plate is an integrated multifunctional decorative plate which has the characteristics of personalized design, industrial production, assembly type construction, immediate installation and immediate installation, safety, environmental protection and the like, thoroughly changes the traditional decoration method and building material industry, perfectly replaces on-site wet operation such as putty scraping, paint brushing, paint coating, wall cloth sticking and the like, replaces various decoration materials such as wood, bricks, building blocks and the like, and thoroughly solves the pollution problem of indoor decoration from the root.
The production line of the dalle workshop consists of a plurality of working sections such as a feeding section, a panel turnover machine section, a dust collection section and a film laminating section, and the ring sections are buckled with each other and supplement each other. In the production process of the decorative plate, the gypsum board customized in a gypsum board workshop enters special film laminating equipment through a feeding machine, a panel turnover machine and a dust remover, and then is packaged into a brand-new decorative plate through film cutting.
However, the existing gypsum board production line has the following defects:
(1) the production lines are independently regulated and controlled and are not communicated with each other, the operation speed of the working section of each production line needs to be regulated and controlled manually and independently to regulate the operation speed, and the synchronous regulation and control of the production work of all the production lines in the same workshop cannot be realized;
(2) the devices of all the working sections belong to sectional control and do not have mutual communication, so that the speed difference exists among all the working sections in the production process, and the conditions of incomplete final coating, wrong adhesion and non-adhesion of edges are caused.
Disclosure of Invention
The invention aims to provide a linkage adjusting method for an intelligent production line of gypsum building materials, which aims to solve the technical problems that in the prior art, a plurality of production lines are independently regulated and controlled and are not communicated with each other, the operation speed of each production line section needs to be regulated and controlled manually and independently to adjust the operation speed, and equipment of each section belongs to sectional control and does not have mutual communication with each other.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a linkage adjusting method for an intelligent production line of gypsum building materials comprises the following steps:
100, setting a plurality of production lines, dividing each production line into a plurality of working sections according to a production flow, and creating a linkage adjustment mode of the same type of control objects of the plurality of production lines;
200, selecting one production line as an active regulation and control production line, using the rest production lines as passive regulation and control production lines, establishing a logic linkage system of a control object with the same property in all sections of the active regulation and control production line, and introducing the logic linkage system into the passive regulation and control production line connected with a linkage adjustment mode;
300, respectively connecting all the sections in all the production lines with a PLC control system bus, selecting a production control object influencing the operation speed of the sections in each section of the active regulation production line, establishing a speed matching relational expression for regulating the operation speed of all the sections, and synchronously regulating the operation speed in the same direction by all the sections of the active regulation production line and the passive regulation production line by using a uniform speed matching relational expression;
step 400, creating a driving operation time matching relation after the operation speed of each section of all the production lines is adjusted, determining a new driving operation time point of each section after the operation speed is adjusted for the first time and an operation time interval corresponding to the current production speed, and determining a time point of next operation of each section according to the new driving operation time point and the operation time interval.
As a preferred scheme of the present invention, in step 100, the active regulation and control production line and the passive regulation and control production line form a parallel synchronous same-speed production mode in a linkage adjustment mode, and each section of the passive regulation and control production line and the active regulation and control production line is connected with a PLC control system bus;
and the same working sections of the active regulation production line and the passive regulation production line directly regulate and control production control objects by using a linkage regulation mode to synchronously modify the production control objects at the same amplitude so as to regulate and control the running speeds of all the production lines to be the same.
As a preferred scheme of the present invention, the PLC control system is configured to dynamically regulate and control the number of production lines connected to the coordinated adjustment mode for parallel production, and the PLC control system regulates and controls the production lines connected to the coordinated adjustment mode to change the operation speeds of all the work sections according to the same speed matching relationship, and performs production work after regulating and controlling the operation speeds;
and the PLC control system closes the linkage adjustment mode of any production line to independently regulate and control the production line.
As a preferred scheme of the present invention, in step 200, the production line of gypsum boards is divided into a plurality of sections from top to bottom, which are a feeding flap control section, a film coating treatment section, a film coating chasing shear control section and a discharging flap section, respectively, and multidimensional control parameters of each section are divided into an operation speed control object, a position control object and a pneumatic element control object;
the PLC control system respectively establishes logic linkage systems of operation speed control objects, position control objects and pneumatic element control objects in all the working sections.
As a preferred scheme of the invention, the film covering treatment section and the film covering chasing and shearing control section both comprise a segmented conveying system, and the operation speed control object comprises the feeding turning plate control section, the film covering treatment section, the film covering chasing and shearing control section, the discharging turning plate section and the production control object influencing the operation speed in the segmented conveying system;
the implementation method for adjusting the conveying speed of the segmented conveying system comprises the following steps:
establishing a mapping relation between the operating speed of the working section and the conveying speed of the corresponding segmented conveying system;
and on the premise of ensuring that the gypsum boards are conveyed and transferred according to the stable distance, the conveying speed of the sectional conveying system is adjusted according to the mapping relation.
As a preferred aspect of the present invention, in step 300, the operating speed of each station is changed into two modes, which are respectively:
regulating and controlling the operation speed of the workshop section on a human-computer interaction interface of the PLC control system, adjusting the parameters of the production control object by the PLC control system according to a function model between the production control object and the workshop section operation speed, and changing the numerical value of the production control object of the corresponding workshop section by the PLC control system;
and regulating and controlling parameters of a production control object on a human-computer interaction interface of the PLC control system, and calculating the operation speed of the workshop section by the PLC control system according to a function model between the production control object and the workshop section operation speed.
As a preferred scheme of the present invention, in step 300, a specific implementation method for establishing a speed matching relation of the operating speeds of all the sections of the production line with the linkage adjustment mode includes:
determining the speed regulation and control amplitude of a working section which is used for actively regulating and controlling the running speed;
the PLC control system changes the operation speed of the same working section on the passive regulation production line with the linkage regulation mode according to the same speed regulation amplitude;
the speed matching relational expression is used for indirectly adjusting according to the same speed adjusting and controlling amplitude so as to synchronously and equidirectionally adjust the running speeds of other workshop sections;
the PLC control system synchronously adjusts the running speed of all the working sections on the passive regulation production line with the linkage adjustment mode in the same direction according to the same speed matching relational expression;
and adjusting a production control object of the conveying system according to the mapping relation between the working section running speed and the conveying speed of the conveying system so as to keep a fixed distance between the head and the tail of the two gypsum boards.
As a preferred scheme of the present invention, the specific implementation steps of the driving operation time matching relation after the operation speed of each section is adjusted are as follows:
before the running speed of each section is not adjusted, determining the time interval T1 of each section at the original running speed for producing the gypsum board once per operation of the control object;
modifying the initial operation time point of the gypsum board for the primary operation of each working section when the operation speed of each working section is adjusted for the primary time, and taking the operation time point as a new operation starting point;
a new time interval T2 for each operation of gypsum board after the adjusted operating speed of each section is determined, and each section adjusts a point in time for the next operation of the production control object for each section according to the new time interval T2.
As a preferred scheme of the present invention, after the operation speed of each section is adjusted for the first time, a specific implementation manner for determining the initial operation time point is as follows:
synchronously suspending the switches of the feeding turnover plate control working sections of all the production lines, and continuing the work of the film coating treatment working section, the film coating chasing and shearing control working section and the blanking turnover plate working section until all the gypsum plates on the segmented conveying system are completely treated;
and synchronously pausing the film covering treatment working sections, the film covering chasing and shearing control working sections, the blanking plate turnover working sections and the segmented conveying system of all the production lines, writing in the adjusted parameters of the production control object, starting all the working sections, and determining the initial operation time point of each working section.
As a preferred scheme of the invention, the specific implementation method for determining the new time interval T2 of each operation of the gypsum board after the adjustment of the running speed of each section is as follows:
determining new time intervals T2 'and T2' corresponding to the film covering treatment working sections and the film covering chasing and shearing control working sections separately according to the running speeds of the film covering treatment working sections and the film covering chasing and shearing control working sections and the transportation speed adjusted by the segmented conveying system positioned above the rest working sections;
and a functional relationship exists between the new time interval T2 'and the running speed of the film covering treatment section and the corresponding transportation speed adjusted by the segmented conveying system, and a functional relationship exists between the new time interval T2' and the running speed of the film covering chasing and shearing control section and the corresponding transportation speed adjusted by the segmented conveying system.
Compared with the prior art, the invention has the following beneficial effects:
the invention not only synchronously regulates and controls the running speeds of different sections of the same production line in the same direction, but also further regulates and controls the running speeds of a plurality of production lines in a linkage manner, so that all the production lines can keep the same production speed, and even when the running speeds are regulated and controlled, all the production lines are synchronously regulated in the same direction to reduce or improve the running speeds so as to improve the production efficiency, so that the multiple production lines realize the united production of joint control, and gypsum boards produced in the same batch have the same performance and the production speeds are matched in the same production workshop.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic flow chart of the production line linkage regulation and control provided in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a linkage adjustment method for intelligent gypsum building material production lines, which not only synchronously and unidirectionally adjusts and controls the operating speeds of different sections of the same production line, but also further coordinately adjusts and controls the operating speeds of a plurality of production lines, so that all production lines can maintain the same speed for production, and even when the operating speeds are adjusted and controlled, all production lines are synchronously and unidirectionally adjusted to reduce or increase the operating speeds to improve the production efficiency, thereby enabling a plurality of production lines to realize joint control unified production.
The method specifically comprises the following steps:
100, setting a plurality of production lines, dividing each production line into a plurality of sections according to a production flow, and establishing a linkage adjustment mode of the same type of control objects of the plurality of production lines;
200, selecting one production line as an active regulation and control production line, using the rest production lines as passive regulation and control production lines, establishing a logic linkage system of a control object with the same property in all working sections of the active regulation and control production line, and introducing the logic linkage system into the passive regulation and control production line connected with a linkage adjustment mode;
300, respectively connecting all the sections in all the production lines with a PLC control system bus, selecting a production control object influencing the operation speed of the sections in each section of the active regulation production line, establishing a speed matching relational expression for regulating the operation speed of all the sections, and synchronously regulating the operation speed in the same direction by all the sections of the active regulation production line and the passive regulation production line by using a uniform speed matching relational expression;
step 400, creating a driving operation time matching relation after the operation speed of each section of all the production lines is adjusted, determining a new driving operation time point of each section after the operation speed is adjusted for the first time and an operation time interval corresponding to the current production speed, and determining a time point of next operation of each section according to the new driving operation time point and the operation time interval.
In step 100, the active regulation production line and the passive regulation production line form a parallel synchronous same-speed production mode in a linkage regulation mode, and each section of the passive regulation production line and the active regulation production line is connected with a PLC control system bus;
the same working sections of the active regulation production line and the passive regulation production line directly regulate and control production control objects by using a linkage regulation mode to synchronously modify the production control objects with the same amplitude so as to regulate and control the running speeds of all the production lines to be the same.
The PLC control system is used for dynamically regulating and controlling the number of production lines connected with the linkage adjustment mode and used for parallel production, regulating and controlling the production lines connected into the linkage adjustment mode by the PLC control system to change the running speeds of all the sections according to the same speed matching relation, and carrying out production work after regulating and controlling the running speeds;
the PLC control system closes the linkage adjustment mode of any production line to independently regulate and control the production line.
In step 200, the production line of the gypsum board is divided into a plurality of working sections from top to bottom, namely a feeding turning plate control working section, a film coating treatment working section, a film coating chasing shear control working section and a discharging turning plate working section, and the multidimensional control parameters of each working section are divided into an operation speed control object, a position control object and a pneumatic element control object;
the PLC control system respectively establishes logic linkage systems of all the working sections with respect to an operation speed control object, a position control object and a pneumatic element control object.
After any control object of any working section in each logic linkage system is adjusted, the same control objects in other working sections in the logic linkage system are synchronously and synchronously adjusted under logic control.
In order to conveniently regulate and control the running speeds of all production lines, namely the production speeds, the same working sections of all the production lines are subjected to associated regulation and control by using the linkage regulation and control mode, all the production lines use the same speed matching relational expression and the same driving running time matching relational expression, when all the production lines are subjected to associated regulation and control by using the linkage regulation and control mode, after the running speed of any working section of any one production line is selected and regulated, other production lines are synchronously regulated to the modified running speed, and other production lines regulate all the working sections to synchronously change the running speed according to the same speed matching relational expression and the same driving running time matching relational expression.
Therefore, in the embodiment, if the production speed of the production line needs to be changed, the running speed of any section of any production line is selected, and the synchronous and equidirectional uniform adjustment of all the production speeds can be realized, so that the gypsum building material production line of the embodiment adopts a top-down mode, the whole production line is decomposed into a plurality of sections according to modularization and systematization, different devices in each section are divided into control objects with different working properties, the control objects with the same working type of all the sections are independent and mutually connected, when the control object of one section is changed, the control objects with the same property in other sections are synchronously changed in the same direction, each section of other production lines keeps a uniform modification mode with the directly adjusted section, and all the control is realized by the data regulation and control of a PLC control system to regulate the running state of the control object of each section, the control mode logic is clear, the structure is simple, the operation is stable, and the efficiency is high.
In step 300, the operating speed of each station is changed in two ways, respectively:
regulating and controlling the operation speed of the workshop section on a human-computer interaction interface of a PLC control system, adjusting parameters of a production control object by the PLC control system according to a function model between the production control object and the workshop section operation speed, and changing the numerical value of the production control object of the corresponding workshop section by the PLC control system;
and regulating and controlling parameters of the production control object on a human-computer interaction interface of the PLC control system, and calculating the operation speed of the workshop section by the PLC control system according to a function model between the production control object and the workshop section operation speed.
The running speed of each working section is related to the corresponding speed control object, a stable control system of the gypsum board production line is formed, and a logic linkage system is established among the running speeds of all the working sections to ensure that the running speeds of all the working sections are synchronously and homodromously adjusted, so that the running speeds of other working sections do not need to be manually adjusted, and the whole system can still maintain a stable production flow after the running speed is adjusted.
On a human-computer interaction interface of the PLC control system, a production control object of each workshop section and the workshop section running speed of each workshop section form an independent module, a worker can adjust parameters of the production control object, determine the running speed of each workshop section according to a function model between the production control object and the workshop section running speed, or directly adjust the running speed, determine the parameters of the production control object according to the function model between the production control object and the workshop section running speed, and change the parameters of the production control object through the PLC control system.
In step 300, the specific implementation method for establishing the speed matching relation of the operating speeds of all the sections of the production line with the linkage adjustment mode is as follows:
determining the speed regulation amplitude of a working section directly regulating the running speed on the active regulation production line, wherein the speed regulation amplitude is (V2-V1)/V1 when the working section A is changed from original V1 to V2;
the PLC control system changes the operation speed of the same working section on the passive regulation production line with the linkage regulation mode according to the same speed regulation amplitude, and the synchronous regulation working section A is changed from the original V1 to V2, so that the speed regulation amplitude is (V2-V1)/V1;
the speed matching relation is used for indirectly adjusting according to the same speed regulation amplitude so as to synchronously and equidirectionally adjust the running speeds of other working sections, and the running speeds of the other working sections are adjusted to be V + V (V2-V1)/V1;
the PLC control system synchronously adjusts the running speed of all the working sections on the passive regulation production line with the linkage adjustment mode in the same direction according to the same speed matching relation, and the running speeds of other working sections are adjusted to V + V (V2-V1)/V1;
and adjusting a production control object of the conveying system according to the mapping relation between the working section running speed and the conveying speed of the conveying system so as to keep the fixed distance between the head and the tail of the two gypsum boards.
It is to be noted that the film covering treatment section and the film covering chasing and shearing control section both comprise a segmented conveying system, and the operation speed control objects comprise a feeding turning plate control section, a film covering treatment section, a film covering chasing and shearing control section, a discharging turning plate section and production control objects influencing the operation speed in the segmented conveying system;
the implementation method for adjusting the conveying speed of the segmented conveying system comprises the following steps:
establishing a mapping relation between the operating speed of the working section and the conveying speed of the corresponding segmented conveying system;
and on the premise of ensuring that the gypsum boards are conveyed and transferred according to the stable spacing, the conveying speed of the sectional conveying system is adjusted according to the mapping relation.
Therefore, the operation speed of each working section is linked, the mapping relation between the operation speed of the working sections and the segmented conveying speed is limited, and because the head-tail neutral position of the gypsum board cannot be too large and the adjacent boards cannot be collided during the operation of each working section, in order to ensure stable operation, the adjusted conveying speed of the segmented conveying system is determined according to the mapping relation between the operation speed of the working sections and the conveying speed of the segmented conveying system behind the working sections and the adjusted working section operation speed under the condition that the distance between different segmented conveying systems is fixed and unchanged under the general condition.
In step 400, the specific implementation steps of the driving operation time matching relation after the operation speed is adjusted in each section are as follows:
first, before the operation speed of each section is not adjusted, a time interval T1 is determined for each section to operate the gypsum board once at the original operation speed by the production control object.
When the running speed of each section is not adjusted, each section keeps the original running speed, at the moment, each section independently completes one time of operation on the gypsum board at a fixed time interval, for example, the feeding turning plate control section completes the feeding turning plate operation on the gypsum board at every interval t1, the film covering treatment section completes the feeding turning plate operation on the gypsum board at every interval t2, the film covering chasing and shearing control section completes the feeding turning plate operation on the gypsum board at every interval t3, and the discharging turning plate section completes the feeding turning plate operation on the gypsum board at every interval t 4.
And secondly, modifying the initial operation time point of the gypsum board for the initial operation of each section when the operation speed of each section is adjusted for the first time, and taking the operation time point as a new operation starting point.
And after the running speed of one working section is directly adjusted, the corresponding running speeds of other working sections are simultaneously and unidirectionally adjusted according to the speed matching relation, so that the whole production line of the gypsum board realizes dynamic balance at a new running speed.
After the operation speed of each section is adjusted for the first time, the specific implementation mode for determining the initial operation time point is as follows:
synchronously suspending the switches of the feeding turnover panel control working sections of all the production lines, and continuing working of the film coating treatment working section, the film coating chasing and shearing control working section and the blanking turnover panel working section until all gypsum boards on the segmented conveying system are completely treated;
and synchronously pausing the film covering treatment working sections, the film covering chasing and shearing control working sections, the blanking turnover plate working sections and the segmented conveying system of all the production lines, writing in the adjusted parameters of the production control object, starting all the working sections, and determining the initial operation time point of each working section.
And determining a new time interval T2 for each operation of the gypsum board after the operation speed of each section is adjusted, and adjusting the time point of the next operation of the production control object of each section according to the new time interval T2 for each section.
The specific implementation method for determining the new time interval T2 of each operation of the gypsum board after the adjustment of the running speed of each section is as follows:
the operation speeds of the film covering treatment working section and the film covering chasing and shearing control working section are combined, and the transportation speed adjusted by the segmented conveying system positioned above the rest working sections is combined, so that new time intervals T2 'and T2' of the corresponding working sections are independently determined;
and a functional relationship exists between the new time interval T2 'and the running speed of the film covering treatment section and the transportation speed adjusted by the corresponding segmented conveying system, and a functional relationship exists between the new time interval T2' and the running speed of the film covering chasing and shearing control section and the transportation speed adjusted by the corresponding segmented conveying system.
Therefore, after the operation speed of a certain section of a certain production line is adjusted, the operation speeds of other sections are regulated and controlled by adopting bus control, the parameter adjustment condition of the production control object of the sections is determined according to a function model between the operation speed of each section and the production control object parameter, and the operation mode of the production control object is changed by utilizing servo control.
In addition, when the running speed of a certain workshop section of a certain production line is adjusted, the PLC control system is utilized to regulate and control the same workshop section of other production lines connected into a linkage adjustment mode to synchronously adjust the running speed, and all workshop sections of other production lines adjust the synchronous and equidirectional change running speed of all the workshop sections according to the same regulation and control mode, so that unified production of joint control of a plurality of production lines is realized.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (9)
1. A linkage adjustment method for an intelligent production line of gypsum building materials is characterized by comprising the following steps: the method comprises the following steps:
100, setting a plurality of production lines, dividing each production line into a plurality of sections according to a production flow, and establishing a linkage adjustment mode of the same type of control objects of the plurality of production lines;
200, selecting one production line as an active regulation and control production line, using the rest production lines as passive regulation and control production lines, establishing a logic linkage system of a control object with the same property in all working sections of the active regulation and control production line, and introducing the logic linkage system into the passive regulation and control production line connected with a linkage adjustment mode;
300, respectively connecting the same sections in all the production lines with a PLC control system bus, selecting a production control object influencing the operation speed of the sections in each section of the active regulation production line, and establishing a speed matching relational expression of the regulation operation speeds of all the sections so as to synchronously and unidirectionally regulate the operation speeds of all the sections of the active regulation production line and the passive regulation production line, wherein the speed matching relational expression is used for calculating the speed regulation amplitude of the active regulation production line, and the sections of the passive regulation production line in a linkage regulation mode change the operation speeds according to the same speed regulation amplitude;
step 400, creating a driving operation time matching relational expression after the operation speed of each section of all production lines is adjusted, determining a new driving operation time point of each section after the operation speed is adjusted for the first time and an operation time interval corresponding to the current production speed, and determining a time point of next operation of each section according to the new driving operation time point and the operation time interval;
the specific implementation steps of the driving operation time matching relational expression after the operation speed of each section is adjusted are as follows:
before the running speed of each section is not adjusted, determining the time interval T1 of each section at the original running speed for producing the gypsum board once per operation of the control object;
modifying the initial operation time point of the gypsum board for the primary operation of each working section when the operation speed of each working section is adjusted for the primary time, and taking the operation time point as a new operation starting point;
a new time interval T2 for each operation of gypsum board after the adjusted operating speed of each section is determined, and each section adjusts a point in time for the next operation of the production control object for each section according to the new time interval T2.
2. The linkage adjusting method and system for the intelligent production line of gypsum building materials according to claim 1, wherein the linkage adjusting method comprises the following steps: in step 100, the active regulation and control production line and the passive regulation and control production line form a parallel synchronous same-speed production mode in a linkage regulation mode, and each section of the passive regulation and control production line and each section of the active regulation and control production line are connected with a PLC control system bus;
and the same working sections of the active regulation production line and the passive regulation production line directly regulate and control production control objects by using a linkage regulation mode to synchronously modify the production control objects at the same amplitude so as to regulate and control the running speeds of all the production lines to be the same.
3. The linkage adjusting method of the intelligent production line of gypsum building materials as claimed in claim 2, which is characterized in that: the PLC control system is used for dynamically regulating and controlling the number of production lines connected with the linkage adjustment mode and used for parallel production, regulating and controlling the production lines connected with the linkage adjustment mode by the PLC control system to change the running speeds of all the sections according to the same speed matching relational expression, and carrying out production work after regulating and controlling the running speeds;
and the PLC control system closes the linkage adjustment mode of any production line to independently regulate and control the production line.
4. The linkage adjusting method of the intelligent production line of gypsum building materials as claimed in claim 2, which is characterized in that: in step 200, the production line of the gypsum board is divided into a plurality of working sections from top to bottom, namely a feeding turning plate control working section, a film coating treatment working section, a film coating chasing shear control working section and a discharging turning plate working section, and the multidimensional control parameters of each working section are divided into an operation speed control object, a position control object and a pneumatic element control object;
the PLC control system respectively establishes logic linkage systems of operation speed control objects, position control objects and pneumatic element control objects in all the working sections.
5. The linkage adjusting method of the intelligent production line of gypsum building materials as claimed in claim 4, which is characterized in that: the film covering treatment working section and the film covering chasing and shearing control working section comprise segmented conveying systems, and the operation speed control objects comprise the feeding turning plate control working section, the film covering treatment working section, the film covering chasing and shearing control working section, the discharging turning plate working section and the production control objects influencing the operation speed in the segmented conveying systems;
the implementation method for adjusting the conveying speed of the segmented conveying system comprises the following steps:
establishing a mapping relation between the operating speed of the working section and the conveying speed of the corresponding segmented conveying system;
and on the premise of ensuring that the gypsum boards are conveyed and transferred according to the stable distance, the conveying speed of the sectional conveying system is adjusted according to the mapping relation.
6. The linkage adjusting method of the intelligent production line of gypsum building materials as claimed in claim 4, which is characterized in that: in step 300, the operating speed of each station is changed in two ways, respectively:
regulating and controlling the operation speed of the workshop section on a human-computer interaction interface of the PLC control system, adjusting the parameters of the production control object by the PLC control system according to a function model between the production control object and the workshop section operation speed, and changing the numerical value of the production control object of the corresponding workshop section by the PLC control system;
and regulating and controlling parameters of a production control object on a human-computer interaction interface of the PLC control system, and calculating the operation speed of the workshop section by the PLC control system according to a function model between the production control object and the workshop section operation speed.
7. The linkage adjusting method of the intelligent production line of gypsum building materials as claimed in claim 6, which is characterized in that: in step 300, the specific implementation method for establishing the speed matching relation of the operating speeds of all the sections of the production line with the linkage adjustment mode is as follows:
determining the speed regulation and control amplitude of a working section which is used for actively regulating and controlling the running speed;
the PLC control system changes the operation speed of the same working section on the passive regulation production line with the linkage regulation mode according to the same speed regulation amplitude;
the speed matching relational expression is used for indirectly adjusting according to the same speed adjusting and controlling amplitude so as to synchronously and equidirectionally adjust the running speeds of other working sections;
the PLC control system synchronously adjusts the running speed of all the working sections on the passive regulation production line with the linkage adjustment mode in the same direction according to the same speed matching relational expression;
and adjusting a production control object of the conveying system according to the mapping relation between the working section running speed and the conveying speed of the conveying system so as to keep the fixed distance between the head and the tail of the two gypsum boards.
8. The linkage adjusting method of the intelligent production line of gypsum building materials as claimed in claim 5, which is characterized in that: after the operation speed of each section is adjusted for the first time, the specific implementation mode for determining the initial operation time point is as follows:
synchronously suspending the switches of the feeding turnover plate control working sections of all production lines, and continuing the work of the film coating treatment working section, the film coating chasing and shearing control working section and the blanking turnover plate working section until all gypsum plates on the segmented conveying system are completely treated;
and synchronously pausing the film covering treatment working sections, the film covering chasing and shearing control working sections, the blanking plate turnover working sections and the segmented conveying system of all the production lines, writing in the adjusted parameters of the production control object, starting all the working sections, and determining the initial operation time point of each working section.
9. The linkage adjusting method of the intelligent production line of gypsum building materials as claimed in claim 8, which is characterized in that: the specific implementation method of determining the new time interval T2 of each operation of the gypsum board after the adjustment of the running speed of each section is as follows:
determining new time intervals T2 'and T2' corresponding to the film covering treatment working sections and the film covering chasing and shearing control working sections separately according to the running speeds of the film covering treatment working sections and the film covering chasing and shearing control working sections and the transportation speed adjusted by the segmented conveying system positioned above the rest working sections;
and a functional relationship exists between the new time interval T2 'and the running speed of the film covering treatment section and the corresponding transportation speed adjusted by the segmented conveying system, and a functional relationship exists between the new time interval T2' and the running speed of the film covering chasing and shearing control section and the corresponding transportation speed adjusted by the segmented conveying system.
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| CN202110312048.6A CN113093668B (en) | 2021-03-24 | 2021-03-24 | Linkage adjustment method for intelligent production line of gypsum building materials |
| PCT/CN2021/132950 WO2022199093A1 (en) | 2021-03-24 | 2021-11-25 | Linkage adjustment method for intelligent production line of gypsum building material |
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