CN-122018457-A - Method, system and medium for warehousing sand box carried information

CN122018457ACN 122018457 ACN122018457 ACN 122018457ACN-122018457-A

Abstract

The application provides a method, a system and a medium for warehousing sand box carried information, belonging to the technical field of industrial automation control; responding to the selection operation of a user, selecting a formula from a formula database, sending the formula to a PLC, executing station information tracking logic by the PLC, binding the information of the sand box corresponding to the formula with the station, dynamically updating a station-sand box information mapping table, visually displaying the table on a touch screen, judging whether a modification instruction is received through an operation interface, sending the modification instruction to the PLC if the modification instruction is received, and automatically executing flow control operation by the PLC according to real-time data in the station-sand box information mapping table. According to the application, the automatic binding and dynamic updating of the sand box information are realized through the touch screen and the PLC, the cost is reduced, the production efficiency is improved, the information traceability is enhanced, the intelligent level is improved, and the method is suitable for the transformation of old production lines.

Inventors

LI ZITENG
LIU SHANGQING
LI ZHIQIANG
SUN PENG

Assignees

济南二机床集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260115

Claims (10)

1. The method for warehousing the sand box carrying information is characterized by being applied to a multi-layer multi-row roller way type to-be-poured warehouse of a casting production line and realized based on a touch screen and a PLC, and comprises the following steps of: S1, a sand box formula database is built in a touch screen and used for storing formula data corresponding to each sand box, station information tracking logic is configured in a PLC (programmable logic controller) and used for creating and maintaining a dynamic station-sand box information mapping table, and a display area used for dynamically displaying the station-sand box information mapping table and an operation interface used for receiving modification instructions are configured on a human-computer interface of the touch screen; S2, after the sand boxes are closed, responding to the selection operation of a user on the touch screen from the sand box formula database on the current sand box formula data, and issuing the selected sand box formula data serving as the identification information of the sand boxes to the PLC; s3, the PLC executes station information tracking logic, binds the received identification information of the sand box with a station actually occupied by the sand box currently based on action signals and station state signals acquired from a roller way system, and dynamically updates a station-sand box information mapping table; S4, the touch screen acquires the updated station-sand box information mapping table from the PLC in real time, and performs dynamic visual display in a display area; S5, judging whether a modification instruction of a user to a certain sand box is received through an operation interface, and if so, sending the modification instruction to the PLC; s6, the PLC automatically executes flow control operation according to real-time data in the station-sand box information mapping table, wherein the operation flow comprises warehousing and selecting, returning to a warehouse after pouring, and automatically timing and monitoring cooling time.
2. The method for storing information carried by a sand box according to claim 1, wherein the step S1 comprises the following specific steps: s11, in the formula function of the touch screen, creating a sand box formula database indexed by the sand box model, wherein each formula record stores a group of key process parameters and management information related to the sand box model, wherein the key process parameters and the management information comprise the sand box model, required molten iron weight, target warehouse entry row, preset cooling time length, gate X coordinate and gate Y coordinate; S12, defining a structured variable of a station-sand box information mapping table in a PLC program, and establishing a mapping relation between a physical station number and prescription data of sand boxes stored in corresponding stations, wherein the data stored in the structured variable for each station at least comprises a sand box name, a state mark, a preset cooling time length and a residual cooling time calculated in real time; S13, writing station information tracking logic in a PLC program, wherein the station information tracking logic is configured to respond to a roller way sensor signal representing the change of the position of the sand box and perform addition, deletion or displacement operation on data in a station-sand box information mapping table; S14, adding a display view corresponding to the station-sand box information mapping table data structure in a graphical user interface of the touch screen, and adding an editing control embedded in the display view as an operation interface.
3. The method for storing information carried by a sand box according to claim 1, wherein the step S2 comprises the following specific steps: S21, after the box closing process is finished, responding to a formula selection interface of a touch screen to click or input a model corresponding to the current sand box from a list of a formula database by an operator, and generating a calling request; S22, reading sand box formula data corresponding to the sand box model from a sand box formula database based on a calling request, and generating a structured formula data packet; S23, based on a preset communication interface, the formula data packet is sent to a preset data storage area of the PLC.
4. The method for storing information carried by a sand box according to claim 1, wherein the step S3 comprises the following specific steps: s31, continuously monitoring sensor signals connected to each roller way section and each station by the PLC; S32, triggering the station information tracking logic when the PLC judges that a sand box moves into a certain idle station in the warehouse to be poured according to the sensor signals; s33, determining a data source of sand box information to be bound and executing binding: If the sand box of the to-be-poured warehouse is just entered, writing the corresponding formula data packet issued in the step S2 into a corresponding station table entry of a station-sand box information mapping table; If the sand box is moved from one station to another station in the to-be-poured warehouse, transferring or copying the sand box formula data information from the original station table entry to the new station table entry; S34, for the pouring station arranging queue, a first-in first-out queue mechanism is adopted to update a mapping table, namely when the sand box at the front end of the queue is moved out, all subsequent station binding information is sequentially moved forward by one bit, and the sand box information newly entering the tail end is written into a last-bit table item.
5. The method for storing information carried by a sand box as claimed in claim 4, wherein the step S4 comprises the following steps: S41, the touch screen reads station-sand box information mapping table data from the PLC; s42, analyzing station-sand box information mapping table data, and extracting the sand box name, the state mark, the residual cooling time and the preset cooling time length under each station table item; S43, rendering the analyzed data to a display area according to a preset layout, and generating a progress bar or a countdown text as a visual element of the cooling progress in a display item corresponding to the sand box according to the proportion of the residual cooling time to the preset cooling time.
6. The method for storing information carried by a sand box according to claim 1, wherein the step S5 comprises the following specific steps: s51, monitoring an event of editing a control in an operation interface by the touch screen; S52, when a user selects a certain sand box item in the display area and inputs a modification value through an editing control, the touch screen generates a structured modification instruction comprising a target station identifier, a modification field and a new value; S53, the touch screen sends a structural modification instruction to the PLC, and the designated field in the corresponding station table entry in the station-sand box information mapping table is updated.
7. The method for storing information carried by a sand box according to claim 5, wherein the step S6 comprises the following specific steps: s61, the PLC calculates and triggers the operation of a corresponding roller way according to the target warehousing arrangement information in the corresponding formula data and conveys the sand boxes to the target row for the sand boxes which are newly warehoused and are not allocated with stations according to the station-sand box information mapping table; S62, for the poured sand box, the PLC automatically distributes a warehouse returning path and an idle target station for the poured sand box according to the sand box state in the station-sand box information mapping table and a preset scheduling strategy, and triggers corresponding roller way control; s63, for the sand box at the cooling station, the PLC starts independent timing according to the preset cooling time of the sand box at the cooling station in the station-sand box information mapping table, and calculates the residual cooling time in real time: remaining cooling time = preset time- (current moment-moment when this flask is poured out of the warehouse); Updating the calculation result of the residual cooling time to the corresponding table entry of the station-sand box information mapping table in real time; s64, when the residual cooling time of a certain sand box is reduced to zero or a preset threshold value, the PLC automatically updates the state of the corresponding sand box in the station-sand box information mapping table to be removable, and can trigger a warehouse-out instruction when the subsequent process condition is met.
8. The method for storing information carried by a flask as recited in claim 7, wherein step S6 further includes a pouring control step of: s65, the PLC monitors the station state of the pouring row in real time, and when the station-sand box information mapping table shows that the station at the head of the row is provided with a sand box and the state is to be poured, the station-sand box information mapping table reads the gate coordinates stored in the corresponding station table item, wherein the gate coordinates comprise gate X coordinates and gate Y coordinates; S66, the PLC generates a positioning control instruction containing the gate coordinates and sends the positioning control instruction to pouring equipment; S67, after receiving the pouring completion confirmation signal, the PLC updates the state of the sand box in the station-sand box information mapping table to be poured, triggers a first-in first-out queue mechanism in the step S34, and updates the station-sand box information mapping table of the whole pouring row.
9. A sand box carrying information warehousing system for realizing the sand box carrying warehousing method according to any one of claims 1 to 8, which is applied to a multi-layer multi-row roller way type to-be-poured warehouse of a casting production line, and is characterized by comprising a touch screen, a PLC and a roller way system; the touch screen includes: the formula database construction unit is used for pre-establishing and storing a formula database containing key process parameters and management information of each type of sand boxes; the man-machine interaction unit comprises a display area for dynamically displaying information and an operation interface for receiving user instructions; The first communication unit is used for carrying out data interaction with the PLC; The PLC comprises: The second communication unit is used for carrying out data interaction with the touch screen and the sensor of the roller way system; The storage unit is used for creating and maintaining a dynamic station-sand box information mapping table; The station information tracking unit is logically configured to receive the formula data from the touch screen and roller way action and station state signals from the sensor through the second communication unit, and bind the received formula data or the existing data in the station-sand box information mapping table to the corresponding physical station according to the signals so as to update the station-sand box information mapping table; the flow control unit is configured to generate and output instructions for controlling warehouse entry selection, pouring distribution, cooling timing and equipment actions according to the real-time data in the station-sand box information mapping table.
10. A storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the method of warehousing information carried by a flask as recited in any one of claims 1 to 8.

Description

Method, system and medium for warehousing sand box carried information Technical Field The application belongs to the technical field of industrial automation control, and particularly relates to a method, a system and a medium for warehousing sand box carried information. Background In the production process of the casting industry, after the sand box completes the box closing operation, the sand box needs to be transported to a region to be poured for temporary storage. For the multi-layer multi-row roller way type to-be-poured warehouse, the traditional sand box warehouse-in and row-selection mode depends on manual selection of a storage station through a knob, and the mode has the remarkable limitation that automatic association of sand box information and the storage station cannot be realized, key information such as sand box types, technological parameters and the like are manually checked one by one before pouring, so that the labor intensity and the labor cost are increased, the operation risks such as wrong pouring and missing pouring are easily caused by manual check errors, and the production stability is influenced. In order to solve the problem of sand box information tracing, an independent informatization system is built in the prior main scheme, a touch control integrated machine and code scanning equipment are configured at a box closing station, a bar two-dimensional code is preset at a sand box backing plate, binding of the sand box backing plate, sand box process information and order information is completed through code scanning, a code scanning gun is additionally arranged at key stations before warehouse entry and before pouring, a sand box movement track is identified in real time, and a sand box warehouse entry position ledger and pouring sand box arranging information list is generated. The scheme has obvious disadvantages that on one hand, the purchase cost and the system deployment cost of the whole equipment are high, and on the other hand, for the old production line which is not planned for informationized construction in the earlier stage, the reconstruction process needs to reconstruct part of the production flow, the reconstruction cost of equipment installation, line correction and the like is additionally generated, and the popularization and application difficulty is high. Therefore, it is necessary to provide a method for binding and transmitting sand box information, which is low in cost, easy to implement and suitable for old production lines, so as to realize automatic association of sand box information and warehouse-in stations and improve the intelligent management level of the production lines. Disclosure of Invention In a first aspect, an embodiment of the present application provides a method for warehousing information carried by a sand box, which is applied to a multi-layer multi-row roller way type to-be-poured warehouse of a casting production line, and is implemented based on a touch screen and a PLC, and includes the following steps: S1, a sand box formula database is built in a touch screen and used for storing formula data corresponding to each sand box, station information tracking logic is configured in a PLC (programmable logic controller) and used for creating and maintaining a dynamic station-sand box information mapping table, and a display area used for dynamically displaying the station-sand box information mapping table and an operation interface used for receiving modification instructions are configured on a human-computer interface of the touch screen; S2, after the sand boxes are closed, responding to the selection operation of a user on the touch screen from the sand box formula database on the current sand box formula data, and issuing the selected sand box formula data serving as the identification information of the sand boxes to the PLC; s3, the PLC executes station information tracking logic, binds the received identification information of the sand box with a station actually occupied by the sand box currently based on action signals and station state signals acquired from a roller way system, and dynamically updates a station-sand box information mapping table; S4, the touch screen acquires the updated station-sand box information mapping table from the PLC in real time, and performs dynamic visual display in a display area; S5, judging whether a modification instruction of a user to a certain sand box is received through an operation interface, and if so, sending the modification instruction to the PLC; s6, the PLC automatically executes flow control operation according to real-time data in the station-sand box information mapping table, wherein the operation flow comprises warehousing and selecting, returning to a warehouse after pouring, and automatically timing and monitoring cooling time. Further, the specific steps of step S1 are as follows: s11, in the formula function of the touch screen, creating a sand box formula databa