CN110737255A - Automatic processing method for multi-station disordered process paths - Google Patents
Automatic processing method for multi-station disordered process paths Download PDFInfo
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- CN110737255A CN110737255A CN201911042708.2A CN201911042708A CN110737255A CN 110737255 A CN110737255 A CN 110737255A CN 201911042708 A CN201911042708 A CN 201911042708A CN 110737255 A CN110737255 A CN 110737255A
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- 238000000034 method Methods 0.000 title claims abstract description 132
- 230000008569 process Effects 0.000 title claims abstract description 118
- 238000003672 processing method Methods 0.000 title claims abstract description 18
- 230000003993 interaction Effects 0.000 claims abstract description 54
- 238000012544 monitoring process Methods 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims description 35
- 238000005266 casting Methods 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000005291 magnetic effect Effects 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims 5
- 239000007858 starting material Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 6
- 230000005294 ferromagnetic effect Effects 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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], 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], computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
-
- 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
-
- 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]
Abstract
The invention relates to an automatic processing method of multi-station disordered process paths, which comprises the steps of setting a plurality of monitoring interaction variables and monitoring interaction variables by an upper computer according to a process path, determining the sequence of corresponding process execution steps by a lower computer according to the process path, distributing specific execution task lists to the process execution steps in each sequence, operating the corresponding monitoring interaction variables by the upper computer, sending an operation command to the lower computer through an OPC (optical proximity correction) server, receiving the operation command by the lower computer to start executing the task lists in the process execution steps in each sequence, determining whether the process execution steps are finished or not by the upper computer according to feedback data of an execution result after the task lists in the process execution steps in each sequence are executed, clearing the data of each monitoring interaction variable and each monitoring interaction variable to prepare for starting the lower process execution steps.
Description
Technical Field
The invention relates to the technical field of casting, in particular to an automatic processing method of multi-station disorder process paths.
Background
In the aspect of automatic feeding, particularly for ferromagnetic raw materials, an electromagnetic chuck with weighing, metering and positioning functions is often used for feeding in the casting industry, and in the actual operation process on site, in order to avoid material mixing, save space, consider environmental safety and other factors, the used ferromagnetic raw materials are often placed in a material pit, the use types of the various ferromagnetic raw materials are not completely fixed, and when the ferromagnetic raw materials are poured into the pit, the binding relationship between the original ferromagnetic raw materials and the number of the material pit can be changed.
In the aspect of automatic pouring, under the condition of -pack multi-box equivalent pouring working conditions, automatic pouring equipment is usually executed in sequence, but under the condition of unequal pouring and disorder, the same -pack and a plurality of pouring stations have different pouring weights required by all the pouring stations, and the pouring sequence is disorder due to disorder of the shapes, insertion or compensation of pouring plans, different pouring materials, different pouring temperature requirements and the like, the condition is similar to the automatic feeding, and the automatic pouring equipment like is not easy to cover or exhaust the automatic treatment of various abnormal conditions.
In summary, for the automatic feeding and automatic pouring equipment, the existing equipment can only meet the conditions of fixed-point quantitative automatic feeding of single ferromagnetic raw materials, fixed-point quantitative pouring of a single box, or sequential quantitative pouring of multiple boxes, but for the complex application condition of a multi-station disordered process path, if the complex application condition is solved by the programming of a PLC (programmable logic controller) of the equipment, the debugging difficulty is greatly increased, and the construction and system integration period is difficult to effectively guarantee.
Disclosure of Invention
Therefore, it is necessary to provide automated processing methods of multi-station disordered process paths, which can meet the requirements of on-site multi-station, disordered process paths and abnormal change conditions and realize key type operation of automatic feeding and automatic pouring, aiming at the problem that automatic control of the multi-station disordered process paths cannot be realized in the automatic feeding and pouring operation during casting production in the prior art.
A method for automatically processing multi-station disordered process paths, comprising the following steps:
the upper computer sets a plurality of monitoring interaction variables and monitoring interaction variables according to the process path;
the lower computer determines the sequence of the corresponding process execution steps according to the process path;
allocating specific execution task lists to each sequential process execution steps;
the upper computer operates corresponding monitoring interaction variables, sends operation commands to the lower computer through the OPC server, receives the operation commands, starts to execute the task list in each sequence of process execution steps, and feeds back execution results to the upper computer;
after the task list in each sequence of process execution step is executed, the upper computer determines whether the process execution step is finished according to the feedback data of the execution result;
and clearing the data of each monitoring interaction variable and each monitoring interaction variable to prepare for starting process execution steps.
In of these embodiments, the process path includes a casting feed process and a casting pour process.
In embodiments, the monitoring interaction variables of the casting and pouring process comprise the starting of batching, the pausing of batching and the resetting of batching, the selection of a plurality of feeding stations and the accumulated weight of feeding of each station, and the monitoring interaction variables of the casting and pouring process comprise the starting of pouring, the pausing of pouring and the resetting of pouring, the selection of pouring stations of a plurality of pouring boxes, the position of a pouring gate, the planned pouring weight, the actual pouring weight and the planned pouring speed.
In embodiments, the monitoring interaction variables of the casting feeding process comprise the feeding in progress and the feeding completion, the current weight of each feeding station, the feeding vehicle before the furnace, the feeding vehicle in the original position, the magnetic disk traveling to the feeding vehicle in the original position and the speed, the position and the alarm of the truss vehicle, and the monitoring interaction variables of the casting pouring process comprise the pouring in progress and the pouring completion, the actual pouring speed, the residual material weight, the pouring start time and the pouring end time, and the current speed, the position and the alarm of a pouring machine or a pouring mechanism.
In embodiments, the PLC of the lower computer determines a corresponding number of process execution steps according to the actual process number.
In embodiments, the specific execution task list includes data for assigning work stations to corresponding boxes to be filled or poured and determining the weight of the filling or pouring.
In embodiments, the lower computer receives the operation command and starts to execute the task list in each sequential process execution steps, and if the relevant data of the task list is zero, the lower computer does not execute the corresponding operation command sent by the upper computer.
In embodiments, when the charging or pouring station is changed, the corresponding distribution station in the PLC task list of the lower computer is changed.
In embodiments, the upper OPC unit synchronizes with the PLC corresponding variables of the lower OPC unit by reading and writing the monitoring interaction variables and the monitoring interaction variables.
In embodiments, after the upper computer reads the execution result of the lower computer PLC, the relevant data of charging or pouring is cleared through the upper computer OPC, and preparation is made for starting the automatic charging or automatic pouring operation of the lower rounds
According to the automatic processing method of the multi-station disordered process path, the upper computer is provided with a plurality of monitoring interaction variables and monitoring interaction variables, under the premise that the processing program of the lower computer is not changed, the upper computer converts command operation sent by the upper computer through the OPC server so as to realize that the lower computer executes specific execution task lists in each sequence step, and meanwhile, the lower computer feeds back processing results to the upper computer through the OPC server in time so that the upper computer can actually monitor the operation of executing tasks by the lower computer, and then the automatic processing method is utilized to meet the conditions of on-site multi-station, disordered process paths and abnormal change, and key type operation of various process processing is realized.
Drawings
Fig. 1 is a flow chart illustrating an automated processing method for a multi-station out-of-order process path according to an embodiment .
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, the term "and/or" as used herein includes any and all combinations of or more of the associated listed items.
In an embodiment, the automated processing method for multi-station out-of-order process paths comprises the following steps of setting a plurality of monitoring interaction variables and monitoring interaction variables by an upper computer according to a process path, determining the sequence of corresponding process execution steps by a lower computer according to the process path, distributing specific execution task lists for the process execution steps in each sequence, operating the corresponding monitoring interaction variables by the upper computer, sending an operation command to the lower computer through an OPC server, receiving the operation command by the lower computer, starting to execute the task lists in the process execution steps in each sequence, feeding execution results back to the upper computer, determining whether the process execution steps are finished or not by the upper computer according to feedback data of the execution results after the task lists in the process execution steps in each sequence are executed, and resetting the data of the monitoring interaction variables and the monitoring interaction variables to prepare for the lower process execution steps.
According to the automatic processing method of the multi-station disordered process path, the upper computer is provided with a plurality of monitoring interaction variables and monitoring interaction variables, under the premise that the processing program of the lower computer is not changed, the upper computer converts command operation sent by the upper computer through the OPC server so as to realize that the lower computer executes specific execution task lists in each sequence step, and meanwhile, the lower computer feeds back processing results to the upper computer through the OPC server in time so that the upper computer can actually monitor the operation of executing tasks by the lower computer, and then the automatic processing method is utilized to meet the conditions of on-site multi-station, disordered process paths and abnormal change, and key type operation of various process processing is realized.
The following describes the automated processing method of the multi-station out-of-order process path with reference to specific embodiments, so as to further understand the inventive concept of the automated processing method of the multi-station out-of-order process path.
Referring to fig. 1, a method for automatically processing a multi-station out-of-order process path, the method comprising the steps of:
s110, the upper computer sets a plurality of monitoring interaction variables and monitoring interaction variables according to the process path;
the monitoring interaction variables are represented by operable and displayable buttons or operation keys arranged on an operation display panel of the upper computer. Namely, the operator can not only carry out corresponding operation on the monitoring interaction variable on the control panel of the upper computer, but also randomly check and monitor the monitoring interaction variable. The monitoring interaction variables are represented by a functional display box which is arranged on an operation display panel of the upper computer, can only display related data or states in an inoperable mode.
In the embodiment, the process paths comprise a casting feeding process and a casting pouring process, namely, the automated processing method of multi-station out-of-order process paths can be applied to the casting feeding process and the casting pouring process so as to meet the conditions of on-site multi-station, out-of-order process paths and abnormal change and realize key operation of various process treatments.
In the embodiment, the monitoring interaction variables of the casting charging process comprise material starting, material suspension, material resetting, a plurality of charging station selections and charging accumulated weight of each station, the monitoring interaction variables of the casting pouring process comprise pouring starting, pouring suspension and pouring resetting, and pouring station selections, pouring positions, pouring plan weights, pouring actual weights and pouring plan speeds of a plurality of pouring boxes, namely the monitoring interaction variables are all set through a plurality of corresponding displayable operable buttons or control keys arranged on a control panel of an upper computer, and when the upper computer sends a corresponding monitoring interaction variable command, an operator only needs to click corresponding 'material starting, material suspension, material resetting … … pouring in progress and pouring completion … …' on the upper computer to correspondingly enable the lower computer to execute corresponding command operation.
In the embodiment, the monitoring interaction variables of the casting feeding process comprise the material preparation in-process and material preparation completion, the current weight of each feeding station, the in-situ position of the feeding vehicle before the feeding vehicle arrives at the furnace, the in-situ position of the feeding vehicle, the speed, the position and the alarm of the girder vehicle, the monitoring interaction variables of the casting pouring process comprise the in-process pouring completion, the actual pouring speed, the residual material weight, the pouring starting time and the pouring ending time, and the current speed, the position and the alarm of the pouring machine or the pouring mechanism.
S120, the lower computer determines the sequence of the corresponding process execution steps according to the process path;
in the embodiment, the PLC of the lower computer determines a corresponding number of process execution steps according to actual process numbers, for example, the charging field has 6 process positions, wherein the number of the process positions is 1 to store the material A, 2 to store the material B, 3 to store the material C, 4 to store the material D, 5 to store the material E, and 6 to store the material F, the PLC of the lower computer executes the steps corresponding to 6 in the casting charging process, and respectively executes the steps of 1 to-be-charged, 2 to-be-charged, 3 to-be-charged, 4 to-be-charged, 5 to-be-charged, and 6 to-be-charged in sequence.
S130, distributing specific execution task lists to each sequential process execution step;
in the embodiment, the specific execution task list includes data of distributing stations to corresponding boxes to be charged or poured, determining charging or pouring weight, and the like, when there are 6 execution steps as described above, a corresponding specific execution command in each execution step is the specific execution task list, or the lower computer PLC controller program sets to execute 6 jobs in total, the job details of each job are the specific execution task list, for example, the corresponding material type of which station is to be charged and added by number 1, and information of the weight of the charged or poured material is the content of the specific task list.
In the embodiment, the lower computer receives the operation command to start executing the task list in each sequence of process execution steps, and if the relevant data of the task list is zero, the lower computer does not execute the corresponding operation command sent by the upper computer, specifically, for example, the specific execution task list in the execution step to be charged 1 is to grab 100kg of the C material in the process position 3, the specific execution task list in the execution step to be charged 2 is to grab 200kg of the D material in the process position 4, the specific execution task list in the execution step to be charged 3 is to grab 300kg of the A material in the process position 1, the specific execution task lists in the execution steps to be charged 4, the specific execution task list to be charged 5 and the specific execution task list to be charged 6 are all zero, then in the execution step of the charging task, when the PLC controller executes the specific execution tasks to be charged 1 to 3, the specific task list to be charged 4 to 6 is not executed because the task list is zero, and the charging operation task is automatically finished.
Preferably, when the charging or pouring station is changed, the corresponding distribution station in the PLC task list of the lower computer is changed. For example, when the specific execution task list in the execution step to be charged is to grab 100kg of the C material in the process position 3, and the specific execution task list in the execution step to be charged is to grab 200kg of the D material in the process position 4, the process position numbers of the two kinds of grabbed materials in the process position 1 are adjusted to grab 100kg of the D material in the process position 4, and the process position numbers of the process position 2 to be charged to grab 100kg. of the process position 3, at this time, only the numbers of the two kinds of grabbed materials need to be changed and exchanged in the lower computer PLC controller program, that is, the grabbing material distribution station in the specific execution task list is changed, and the whole execution program does not need to be adjusted, so that the program setting step when the materials are changed is greatly simplified.
S140, the upper computer operates corresponding monitoring interaction variables, and sends an operation command to the lower computer through the OPC server, the lower computer receives the operation command and starts to execute the task list in each sequential process execution step, and the execution result is fed back to the upper computer;
the upper computer starts corresponding monitoring interaction variables through operation, for example, according to a 'charging start' task issued by the upper computer, the upper computer sends integral tasks under a key mode.
S150, after the execution of the task list in each sequence of process execution step is finished, the upper computer determines whether the process execution step is finished according to the feedback data of the execution result;
that is, after each execution steps are executed, that is, after No. 1 to be fed to No. 6 to be fed is executed, the lower computer feeds back the relevant operation results to the upper computer through the OPC server, and the upper computer displays "batching is completed" to prompt the operator that the feeding operation is completed.
In embodiment, the upper machine OPC monitors the interaction variables and the monitoring interaction variables through reading and writing, and synchronizes with the corresponding variables of the lower machine PLC, namely the OPC server is equivalent to a middle translator, translates the mechanical operation process executed by the lower machine into data or state which can be read and understood by the upper machine, and displays and reflects through series of interaction variables arranged by the upper machine, thereby realizing seamless butt joint of the upper machine software and the lower machine PLC controller.
And S160, clearing the monitoring interaction variables and the data of the monitoring interaction variables to prepare for starting the next process execution steps.
In the embodiment, after the upper computer reads the execution result of the lower computer PLC, the upper computer OPC clears the relevant data of feeding or pouring to prepare for starting the lower rounds of automatic feeding or automatic pouring operation, that is, after each sequential task of the whole execution step is completed and fed back to the upper computer, the upper computer starts a cleaning operation according to the interaction variable feedback completion result, clears all the interaction variables related to the previously executed task, and prepares for the lower round of execution operation steps.
According to the automatic processing method of the multi-station disordered process path, the upper computer is provided with a plurality of monitoring interaction variables and monitoring interaction variables, under the premise that the processing program of the lower computer is not changed, the upper computer converts command operation sent by the upper computer through the OPC server so as to realize that the lower computer executes specific execution task lists in each sequence step, and meanwhile, the lower computer feeds back processing results to the upper computer through the OPC server in time so that the upper computer can actually monitor the operation of executing tasks by the lower computer, and then the automatic processing method is utilized to meet the conditions of on-site multi-station, disordered process paths and abnormal change, and key type operation of various process processing is realized.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1, kinds of multistation out of order process route's automated processing method, characterized by that, the automated processing method includes the following step:
the upper computer sets a plurality of monitoring interaction variables and monitoring interaction variables according to the process path;
the lower computer determines the sequence of the corresponding process execution steps according to the process path;
allocating specific execution task lists to each sequential process execution steps;
the upper computer operates corresponding monitoring interaction variables, sends operation commands to the lower computer through the OPC server, receives the operation commands, starts to execute the task list in each sequence of process execution steps, and feeds back execution results to the upper computer;
after the task list in each sequence of process execution step is executed, the upper computer determines whether the process execution step is finished according to the feedback data of the execution result;
and clearing the data of each monitoring interaction variable and each monitoring interaction variable to prepare for starting process execution steps.
2. The method of claim 1, wherein the process path comprises a casting feed process and a casting pour process.
3. The method of claim 2, wherein monitoring interactive variables of the casting charging process comprise: starting material mixing, suspending material mixing and resetting material mixing; selecting a plurality of feeding stations, and adding the accumulated weight of each station; the monitoring interaction variables of the casting pouring process comprise: starting pouring, pausing pouring and resetting pouring; selecting pouring stations of a plurality of pouring boxes, pouring gate positions, pouring plan weight, pouring actual weight and pouring plan speed.
4. The method of automated processing of a multi-station out-of-order process path according to claim 2, wherein monitoring interactive variables of a casting charging process comprises: the burdening is completed by carrying out middle and burdening; the current weight of each feeding station; before the charging car arrives at the furnace, the charging car is in the original position, the magnetic disc moves to the original position of the charging car, and the speed, the position and the alarm of the truss car are given; the monitored interactive variables of the casting and pouring process include: the pouring is carried out in the middle and is finished; the actual speed of pouring, the weight of the residual materials, the pouring starting time, the pouring ending time, and the current speed, position and alarm of the pouring machine or the dumping mechanism.
5. The method according to claim 1, wherein the PLC of the lower computer determines a corresponding number of process execution steps according to the actual process number.
6. The method for automatically processing the multi-station disordered process path according to claim 3 or 4, wherein the specific execution task list comprises data of distributing stations and determining the charging or pouring weight of the corresponding box to be charged or poured.
7. The method according to claim 6, wherein the lower computer receives the operation command to start executing the task list in each sequential process executing steps, and if the relevant data of the task list is zero, the lower computer does not execute the corresponding operation command sent by the upper computer.
8. The method of claim 6, wherein when a charging or pouring station is changed, a corresponding dispensing station in a PLC job ticket of a lower computer is changed.
9. The method according to claim 1, wherein the OPC of the upper computer synchronizes with the PLC-corresponding variables of the lower computer by reading and writing the monitoring interactive variables and the monitoring interactive variables.
10. The method for automatically processing the multi-station disordered process path according to claim 1, wherein after the upper computer reads the execution result of the lower computer PLC, relevant data of feeding or pouring is cleared through the upper computer OPC to prepare for starting the lower rounds of automatic feeding or automatic pouring operation.
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Application publication date: 20200131 |