CN-121742358-B - Process generation method, equipment and medium based on tire mold part manufacturing

CN121742358BCN 121742358 BCN121742358 BCN 121742358BCN-121742358-B

Abstract

The invention discloses a process generation method, equipment and medium based on tire mold part manufacturing, belongs to the technical field of mechanical manufacturing control, and is used for solving the technical problems that in the existing tire mold manufacturing process, the process disassembly automation degree is low, the time cost of manual intervention treatment is high, errors are easy to occur, and a full-intelligent process is difficult to realize. The method comprises the steps of carrying out feature association mapping treatment on process rules of related mold part machining procedures, carrying out feature recognition treatment on related design contours on target tire mold parts, carrying out procedure machining contour generation treatment on tire molds under related overall machining procedures and feature classification machining procedures on target mold features, carrying out association treatment on each mold feature based on machining strategies and tool path templates, carrying out post conversion treatment on procedure machining contour diagrams and procedure tool path data in a numerical control machining program, and outputting a procedure numerical control file for machining the current tire mold parts.

Inventors

CHEN DAOYIN
HUANG XIANGLONG
ZHONG CHAO
WANG MINGMING
Feng Xiaori
QI ZHONGKAI

Assignees

山东豪迈机械科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260228

Claims (7)

1. A process generation method based on tire mold part manufacturing, the method comprising: Carrying out characteristic association mapping treatment on the process rules of the related mold part processing procedures according to the characteristic classification system of the tire mold part, and generating a process knowledge base based on the characteristic subclass of each mold part; performing feature recognition processing on the target tire mold part related to the design contour to obtain the target mold feature to be processed, wherein the feature recognition processing specifically comprises the following steps: projecting the three-dimensional model of the target tire mold part to obtain a two-dimensional mold design drawing; Carrying out recognition processing on the geometric shape and the topological relation of the design outline of the mould part in the two-dimensional design drawing of the mould through a feature classification system of the mould part of the tyre to obtain geometric shape features and corresponding topological relation features; According to the tire mold feature major class and the mold part feature minor class, carrying out matching identification of feature classes between the geometric shape features and the corresponding topological relation features to obtain target mold class features; Performing feature matching on the circular arc section within a specific radius range of the target tire mold part according to the geometric feature and the corresponding topological relation feature, and determining a target mold guide surface feature; performing pattern block template feature recognition processing between the geometric shape features and the corresponding topological relation features to determine target mold pattern block features; Performing type recognition on the side plate type of the target tire mold part according to the geometric shape characteristic and the corresponding topological relation characteristic to obtain a target mold side plate characteristic; performing die adaptation calculation on the type of the built-in steel ring of the target tire die part according to the target die type characteristics to obtain target die steel ring characteristics; combining the target mold category feature, the target mold guide surface feature, the target mold block feature, the target mold side plate feature and the target mold steel ring feature to obtain the target mold feature for manufacturing a tire mold part; And performing process processing contour generation processing on the tire mold under the related overall processing process and feature classification processing process on the target mold features through the process knowledge base to obtain a process processing contour map, wherein the process processing contour map specifically comprises the following steps: Dividing the overall machining process of the target die features under the relevant overall part machining process through the process knowledge base to obtain overall machining process data, wherein the overall machining process data are overall process machining step data which are required to be executed based on the current target die features; Traversing each attribute item in the target mold feature, wherein each attribute item corresponds to one mold feature; correspondingly adding each attribute item in the target die characteristic into each process processing step node in the integral processing procedure data, wherein the process processing step nodes are sequentially performed process processing sequence nodes; The method comprises the steps of carrying out the rule query processing of related feature classification processing procedures on attribute items in each process processing step node through the process knowledge base, and generating a tire mold contour to be processed under each process processing step node based on the current processing rule mapped in the associated procedure processing mapping result if the query result is that the corresponding processing rule exists; Connecting, building and reorganizing the to-be-processed contours of the tire molds in all process processing step nodes in sequence according to the part topological relation in the target mold characteristics to generate a process processing contour map in an ideal state under a process execution sequence; The working procedure machining profile is a layered combined profile which has the characteristics of the target die and has all process machining execution sequences; according to the process machining profile, carrying out association processing based on a machining strategy and a tool path template on each die characteristic to obtain process tool path data, wherein the method specifically comprises the following steps: Inquiring the processing strategy identification in the process knowledge base according to the target mould characteristics in the process processing profile, and generating parameterized tool path templates corresponding to all contours to be processed in the process processing profile, wherein the parameterized tool path templates at least comprise tool path calculation logic, step distance, cutting depth and dimensional parameter clearance; based on process processing step nodes in the process processing outline drawing, carrying out layered division on the parameterized cutter path templates to obtain parameterized cutter path branch templates corresponding to each process processing step node; reading a processing strategy identifier of each target die characteristic in each process processing step node, and determining a corresponding parameterized tool path branch template based on the processing strategy identifier; The process processing contour in the process processing contour map is injected into the parameterized tool path branch template, and corresponding relevant tool parameters are matched based on the injected parameterized tool path branch template, wherein the process processing contour is a geometric driving element of the parameterized tool path branch template; Performing path execution track calculation on each process processing step node through the parameterized path branch template and the corresponding associated tool parameters to obtain a complete tool track of each process processing step node; Sequentially connecting the complete tool paths of each process processing step node according to the constant end points of each tool path to generate the process tool path data based on the process processing profile; and performing post conversion treatment of a numerical control machining program on the process machining profile and the process tool path data, and outputting a process numerical control file for machining the current tire mold part.
2. A process generating method based on manufacturing of tire mold parts according to claim 1, wherein the process rules related to the mold part processing process are subjected to feature association mapping processing according to a feature classification system of the tire mold parts, and a process knowledge base based on feature subclasses of each mold part is generated, specifically comprising: According to a feature classification system of the tire mold part, carrying out feature clustering under related macroscopic functions and structures on a two-dimensional drawing of the historical tire mold part, and extracting a tire mold feature major class based on standard classification indexes of the tire mold, wherein the tire mold feature major class comprises pattern blocks, side plates, steel rings and sliding blocks; dividing each tire mold characteristic major category into characteristic minor categories based on basic units of process rules according to the local geometric shape and processing characteristics of the tire mold part to obtain mold part characteristic minor categories, wherein the mold part characteristic minor categories at least comprise an outline sector surface, a pattern groove surface, an inner cylindrical surface and an end face seal groove; Performing related process sequence number, processing target size, processing strategy identification and attribute feature mapping processing under related cutter parameters on each die feature in each die part feature subclass through a preset process processing rule to obtain a related process processing mapping result of each die feature; and carrying out topology generation of a rule base on the working procedure processing rule and each mold feature in each mold part feature subclass based on the associated working procedure processing mapping result to obtain the process knowledge base, wherein the process knowledge base comprises the mold part feature subclass and the corresponding working procedure processing rule.
3. The process generating method based on tire mold part manufacturing according to claim 2, wherein the process mapping processing of the related process serial number, the processing target size, the processing strategy identifier and the attribute feature under the related tool parameters is performed on each mold feature in each mold part feature subclass through the preset process processing rule to obtain the related process processing mapping result of each mold feature, specifically comprising: according to the characteristic classification system of the tire mold part, carrying out sequential identification of process processing on the mold characteristics to obtain the process serial number; calculating the offset of the final design size of the die features, and designing and marking based on the machining allowance to obtain the machining target size; selecting and judging a specific machining shape of the die features, and determining the machining strategy identifier for executing the die feature machining; based on the processing strategy identification, performing type association processing on specific technological parameters in the mold characteristics to obtain associated tool parameters corresponding to each specific technological parameter; And carrying out one-to-one mapping on the sequence number, the processing target size, the processing strategy identifier and the associated cutter parameters with each mold feature in each mold part feature subclass in sequence to obtain the processing mapping result of the associated sequence.
4. The process generation method based on the manufacturing of the tire mold part according to claim 1, wherein the process machining profile and the process tool path data are subjected to post conversion processing of a numerical control machining program, and a process numerical control file for machining the current tire mold part is output, specifically comprising: performing simulation execution processing on the tire mold part model mapped by the process machining profile map through the process tool path data to obtain a tire mold generation simulation map; manually checking the simulation diagram generated by the tire mold; If the manual verification result is that verification is passed, generating a post numerical control machining program of the related procedure execution sequence of the procedure machining profile and the corresponding procedure tool path data, and obtaining a current tire mold part machining program; and integrating the data files of the current tire mold part processing program to obtain and output the process numerical control file.
5. The process generation method based on tire mold part manufacturing according to claim 1, wherein the feature classification system of the tire mold part is used for resolving a design contour of the tire mold part into a plurality of geometric feature units having predetermined processing semantics, wherein the feature classification system comprises: The parts are classified based on the overall functions and processing routes of the parts; The feature subclasses belong to the part major class, and the feature subclasses are classified based on processing characteristics of local geometric shapes and process requirements and are associated with working procedure processing rules in the process knowledge base.
6. A process generation apparatus based on the manufacture of tire mold parts, the apparatus comprising: At least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores instructions executable by the at least one processor to enable the at least one processor to perform a process generation method based on the manufacture of tire mold parts according to any one of claims 1-5.
7. A non-volatile computer storage medium, characterized in that it is a non-volatile computer readable storage medium storing at least one program, each of said programs comprising instructions, which when executed by a terminal, cause the terminal to perform a process generation method based on the manufacture of tyre mould parts according to any one of claims 1-5.

Description

Process generation method, equipment and medium based on tire mold part manufacturing Technical Field The application relates to the field of machine manufacturing control, in particular to a process generation method, equipment and medium based on tire mold part manufacturing. Background The tire is manufactured without opening the tire mold. The tire mold part is the smallest constituent unit of the tire mold. The existing tire mold part manufacturing process comprises the steps of firstly, drawing a two-dimensional design chart of a tire mold part according to customer requirements by a design department worker, then, disassembling the tire mold manufacturing process into a plurality of working procedures according to the two-dimensional design chart by a process department worker, drawing working procedure charts of all the working procedures, and finally, respectively programming a machine tool control program for turning a shape corresponding to the working procedure charts by a programmer based on all the working procedure charts, and controlling a machine tool control device to execute the machine tool control program so as to finish manufacturing of the tire mold part. The process of disassembling the tire mold manufacturing process into a plurality of working procedures is more time-consuming, because a plurality of drawings exist, if each drawing needs to be disassembled one by a worker, on one hand, the time-consuming is more, on the other hand, the more the number is, and the possibility of errors or quality problems is higher. Disclosure of Invention The embodiment of the application provides a process generation method, equipment and medium based on the manufacture of tire mold parts, which are used for solving the technical problems that in the existing tire mold manufacturing process, the process disassembly automation degree is low, the time cost of manual intervention treatment is high, errors are easy to occur, and the full-intelligent process is difficult to realize. The embodiment of the application adopts the following technical scheme: On one hand, the embodiment of the application provides a process generation method based on tire mold part manufacturing, which comprises the steps of carrying out characteristic association mapping treatment on process rules of related mold part processing processes according to a characteristic classification system of tire mold parts, generating a process knowledge base based on characteristic subclasses of each mold part, carrying out characteristic identification treatment on a design contour of a target tire mold part to obtain target mold characteristics to be processed, carrying out process processing contour generation treatment on a tire mold under related integral processing process and characteristic classification processing process on the target mold characteristics through the process knowledge base to obtain a process processing contour map, carrying out association treatment on each mold characteristic based on a processing strategy and a cutter path template according to the process processing contour map to obtain process tool path data, carrying out post conversion treatment on the process processing contour map and the process tool path data of a numerical control processing program, and outputting a numerical control process file for processing the current tire mold part. According to the embodiment of the application, the work of manually disassembling the working procedure and drawing the working procedure diagram is automated, and particularly for the series parts, after the first programming, the similar parts can quickly generate a new program by only trimming the rules. And through expert experience solidified into a rule base, the standardization of a processing scheme is ensured, human errors are reduced, and the consistency of the processing quality of parts is improved. At the same time, all machining contours are derived from the regularized bias of the final design contours, and all process drawings and machining programs can be updated quickly when the design is changed. The method can be used for classifying and regulating procedures specially for the design features of the tire mold parts, and has strong practicability. And the automatic parallel programming technology greatly reduces the manual operation process, reduces the possibility of human error, and greatly improves the accuracy of the die programming. In a feasible implementation mode, according to a characteristic classification system of a tire mold part, carrying out characteristic association mapping treatment on process rules of related mold part processing procedures and generating a process knowledge base based on each mold part characteristic subclass, specifically comprising clustering related macroscopic functions and characteristics under a structure according to the characteristic classification system of the tire mold part, extracting a tire m