CN-121209435-B - Optimization method and system for smart engraving process of mobile phone card holder

CN121209435BCN 121209435 BCN121209435 BCN 121209435BCN-121209435-B

Abstract

The application discloses a method and a system for optimizing a smart carving process of a mobile phone card holder, belonging to the field of optimizing a metal material processing process, wherein the method comprises the steps of activating sensing data to collect in real time and setting a flutter state index; the method comprises the steps of traversing initial processing parameters, carrying out cutting analysis, determining a cutting force data set, carrying out simulated layering cutting on a mobile phone card holder to be processed, generating an engraving three-dimensional model, carrying out multi-layer comparison, enabling a plurality of cutting force deviation values to have corresponding relations with multiple layers of the engraving three-dimensional model, carrying out forming correction on the cutting force data set based on the plurality of cutting force deviation values in a reverse direction, updating a flutter state index according to a correction result, and generating a vibration optimization processing parameter set, and carrying out engraving processing forming on the mobile phone card holder to be processed. The application solves the technical problems of poor stability, blindness in parameter adjustment, insufficient size precision of the mobile phone holder and low production efficiency caused by the lack of systematic flutter monitoring and parameter optimization mechanism for the finish-carving molding of the mobile phone holder in the prior art.

Inventors

CHEN LIUWEI
CHEN JUNWEI
LIU LINGLING

Assignees

深圳市鸿鸣通科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250918

Claims (8)

1. The optimization method of the smart engraving process of the mobile phone card holder is characterized by comprising the following steps of: the method comprises the steps of calling initial processing parameters of engraving and milling equipment to activate sensing data for real-time acquisition, and setting flutter state indexes; Traversing the initial processing parameters according to the flutter state indexes to perform cutting analysis, determining a cutting force data set to perform simulated layered cutting on a mobile phone card holder to be processed, generating an engraving three-dimensional model to perform multi-layer comparison, and generating a plurality of cutting force deviation values, wherein the plurality of cutting force deviation values have corresponding relations with the multiple layers of the engraving three-dimensional model; Performing forming correction on the cutting force data set based on the plurality of cutting force deviation values in a reverse direction, updating the flutter state indexes according to correction results, and generating a vibration optimized processing parameter set of engraving equipment to perform engraving processing forming on the mobile phone card holder to be processed; The three-dimensional registration alignment is carried out according to stress distribution simulation data and strain distribution simulation data, and the refined three-dimensional model is constructed, and the method comprises the following steps: Mapping the multi-layer simulation cutting data to a plurality of layers to be cut for positioning, and defining a stress concentration area and a plastic deformation area; Performing maximum identification on the stress concentration area based on the stress distribution simulation data, and extracting target stress point position information; Performing strain gradient analysis on the plastic deformation region based on the strain distribution simulation data, and extracting strain gradient characteristics; traversing the multiple layers to be cut, combining the target stress point position information and the strain gradient characteristics, and performing equivalent calculation to obtain multilayer equivalent stress characteristics and multilayer equivalent strain distribution characteristics; Based on the multi-layer equivalent stress characteristics and the multi-layer equivalent strain distribution characteristics, carrying out intersection analysis according to adjacent layers of the plurality of layers to be cut, and obtaining common characteristic points, wherein the common characteristic points comprise stress concentration points and strain characteristic points; performing closest point iterative registration on the multiple layers to be cut according to the stress concentration points and the strain characteristic points, and constructing the refined three-dimensional model; And carrying out the iterative registration of the closest points on the plurality of layers to be cut according to the stress concentration points and the strain characteristic points to construct the refined three-dimensional model, wherein the method comprises the following steps of: Performing adjacent layering identification based on the stress concentration points and the strain characteristic points to obtain an adjacent layering characteristic point set; Performing closest point transformation analysis according to the adjacent hierarchical feature point sets, and constructing an initial transformation matrix; traversing the initial transformation matrix to perform characteristic point distance calculation to obtain a plurality of characteristic point distance error values; Taking the plurality of characteristic point distance error values as iteration conditions, carrying out minimization treatment on the plurality of characteristic point distance error values, carrying out iterative optimization on the initial transformation matrix according to the minimum characteristic point distance error values, and setting registration precision values; and registering the plurality of layers to be cut according to the registration precision value to construct the refined three-dimensional model.
2. The optimization method of a mobile phone card support engraving and milling process according to claim 1, wherein the method comprises the steps of: Activating a vibration sensor to acquire three-way vibration acceleration signals based on the initial processing parameters, sampling vibration frequency according to the three-way vibration acceleration signals, and capturing high-frequency vibration data; Converting the high-frequency vibration data into a frequency domain for spectrum analysis to obtain a vibration spectrum; dividing the vibration frequency spectrum according to the vibration frequency, obtaining a plurality of characteristic frequency bands, performing distribution calculation, and generating energy distribution characteristics; And comparing the energy distribution characteristics with preset energy fluctuation amplitude values, identifying a flutter parameter set for stability division, and setting the flutter state indexes.
3. The optimization method of the smart engraving process of the mobile phone card holder according to claim 1, wherein cutting analysis is performed by traversing the initial processing parameters according to the flutter state indexes, and a cutting force data set is determined to perform simulated layered cutting on the mobile phone card holder to be processed, and the method comprises the following steps: traversing the initial processing parameters based on the flutter state indexes to carry out numerical division, and determining a plurality of parameter combinations; Cutting dynamics calculation is carried out according to the multiple parameter combinations, cutting force fluctuation data are obtained, processing screening is carried out, and a cutting force data set is generated; constructing a three-dimensional model of the mobile phone card holder to be processed, layering the three-dimensional model of the mobile phone card holder to be processed along the processing direction based on the cutting force data set, and determining a plurality of layering layers to be cut; Performing finite element simulation cutting calculation according to the plurality of layers to be cut to obtain multi-layer simulation cutting data, wherein the multi-layer simulation cutting data comprises stress distribution simulation data and strain distribution simulation data; and carrying out three-dimensional registration alignment according to the stress distribution simulation data and the strain distribution simulation data to construct the refined three-dimensional model.
4. The optimization method of a mobile phone card support engraving process according to claim 3, wherein the method for generating the engraving three-dimensional model for multi-layer comparison and generating a plurality of cutting force deviation values comprises the following steps: constructing an actual refined three-dimensional model based on a historical mobile phone card support refined carving data record log; performing equal-thickness layering on the actual refined three-dimensional model according to the plurality of layers to be cut to obtain a plurality of layered cross sections; comparing the geometric characteristics of the multi-layer simulation cutting data with those of the plurality of layered cross sections, and calculating multi-layer geometric deviation; and performing cutting calculation based on the multilayer geometrical deviation amount to obtain a plurality of cutting force deviation values.
5. The optimization method of a smart engraving process for a mobile phone card holder according to claim 4, wherein the cutting calculation is performed based on the multilayer geometrical deviation values to obtain the plurality of cutting force deviation values, the method comprising: Numbering the layers to be cut of the refined three-dimensional model to obtain a plurality of layer numbers; performing association analysis based on the multilayer geometric deviation amount and the plurality of layering numbers to obtain a multilayer mapping relation; The material mechanical parameters of the mobile phone card holder are called and are combined with the multilayer geometric deviation values to be analyzed according to the multilayer mapping relation, and a geometric-cutting force conversion relation is constructed; And calculating the multi-layer geometric deviation according to the geometric-cutting force conversion relation and the layering numbers to obtain a plurality of cutting force deviation values.
6. The optimization method of a smart engraving process for a mobile phone card holder according to claim 1, wherein the shaping correction is performed on the cutting force data set based on the plurality of cutting force deviation values in a reverse direction, the method comprising: performing back propagation optimization on the cutting force data set based on the plurality of cutting force deviation values to obtain a cutting force optimized data set; performing spatial interpolation processing on the cutting force optimization data set to generate a cutting force field, wherein the cutting force field is continuously distributed; Forming and correcting the machining position based on the continuously distributed cutting force field to construct a three-dimensional cutting force distribution diagram; Adding the three-dimensional cutting force profile to the corrected result.
7. The optimization method of the mobile phone card holder engraving and milling process of claim 6, wherein updating the flutter state index according to the correction result to generate a vibration optimization processing parameter set of engraving and milling equipment for engraving and milling the mobile phone card holder to be processed, the method comprising: performing processing technology response analysis based on the three-dimensional cutting force distribution diagram to obtain technology frequency response parameters; performing contribution evaluation on the flutter state indexes by traversing the process frequency response parameters, determining key flutter parameters to update the flutter state indexes, and generating a vibration optimization processing parameter set of the engraving and milling equipment; performing engraving processing on the mobile phone card holder to be processed by the vibration optimization processing parameter set, and performing iterative correction on the vibration optimization processing parameter set based on engraving molding processing data to construct an engraving molding quality report; and carrying out finish engraving forming on the mobile phone card holder to be processed according to the finish engraving forming quality report.
8. A system for optimizing a process for engraving and engraving a mobile phone card holder, for performing the method for engraving and engraving a mobile phone card holder according to any one of claims 1 to 7, said system comprising: The real-time acquisition module is used for acquiring the initial processing parameter activation sensing data of the engraving and milling equipment to acquire in real time and setting the flutter state index; The deviation value generation module is used for traversing the initial processing parameters according to the flutter state indexes to carry out cutting analysis, determining a cutting force data set to carry out simulated layered cutting on a mobile phone card holder to be processed, generating an engraving three-dimensional model to carry out multi-layer comparison, and generating a plurality of cutting force deviation values, wherein the plurality of cutting force deviation values have corresponding relations with the multiple layers of the engraving three-dimensional model; And the processing parameter set generation module is used for reversely carrying out shaping correction on the cutting force data set based on the cutting force deviation values, updating the flutter state indexes according to correction results, and generating a vibration optimization processing parameter set of the engraving equipment to carry out engraving processing shaping on the mobile phone card holder to be processed.

Description

Optimization method and system for smart engraving process of mobile phone card holder Technical Field The invention relates to the field of metal material processing technology optimization, in particular to a mobile phone card holder finish-carving forming technology optimization method and system. Background Smart phones are rapidly developing towards light weight and high integration, and the requirements for dimensional accuracy and surface finish are continuously improved by using a mobile phone card holder as a key component for carrying a core card. The current mainstream engraving and milling process mostly relies on manual experience to set initial parameters, lacks dynamic optimization mechanism, is difficult to adapt to the processing characteristics of different material card holders, and results in lower processing efficiency and unstable product quality, and cannot meet the production requirements of high-end machine types. Disclosure of Invention The application provides a method and a system for optimizing a mobile phone card holder finish carving forming process, and aims to solve the technical problems of poor stability, blindness in parameter adjustment, insufficient size precision of a card holder and low production efficiency of a processing process caused by the lack of a systematic flutter monitoring and parameter optimizing mechanism in the mobile phone card holder finish carving forming process in the prior art. In view of the above problems, the application provides a method and a system for optimizing a smart engraving process of a mobile phone card holder. The application discloses a first aspect of a mobile phone card holder finish carving forming process optimization method, which comprises the steps of collecting initial processing parameter activation sensing data of finish carving equipment in real time, setting a flutter state index, traversing the initial processing parameter according to the flutter state index for cutting analysis, determining a cutting force data set for simulating and layering cutting of a mobile phone card holder to be processed, generating a finish carving three-dimensional model for multi-layer comparison, generating a plurality of cutting force deviation values, forming and correcting the cutting force data set based on the plurality of cutting force deviation values in a reverse direction, updating the flutter state index according to a correction result, and generating a vibration optimization processing parameter set of the finish carving equipment for finish carving and forming the mobile phone card holder to be processed. The application discloses another aspect of the mobile phone card holder finish carving forming process optimizing system, which comprises a real-time acquisition module, a deviation value generation module and a processing parameter set generation module, wherein the real-time acquisition module is used for acquiring initial processing parameter activation sensing data of finish carving equipment to acquire in real time and set a flutter state index, the deviation value generation module is used for traversing the initial processing parameter according to the flutter state index to conduct cutting analysis, determining a cutting force data set to conduct simulated layered cutting on a mobile phone card holder to be processed, generating a finish carving three-dimensional model to conduct multi-layer comparison, generating a plurality of cutting force deviation values, the cutting force deviation values and multiple layers of the finish carving three-dimensional model are in corresponding relation, and the processing parameter set generation module is used for reversely carrying out forming correction on the cutting force data set based on the cutting force deviation values, updating the flutter state index and generating a vibration optimization processing parameter set of the finish carving equipment to conduct finish carving forming on the mobile phone card holder to be processed. One or more technical schemes provided by the application have at least the following technical effects or advantages: the technical scheme of systematic vibration monitoring and parameter optimization mechanisms of mobile phone card support finish carving forming in the prior art are not available, so that the technical problems of poor processing stability, blindness in parameter adjustment, insufficient dimensional precision and low production efficiency are solved, and the technical effects of improving processing stability and precision, reducing invalid trial cutting and guaranteeing mass production quality are achieved. The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readil