2459 results about "Stamping process" patented technology

The invention provides a digital twin construction method for metal stamping forming and a computer system, and the method comprises the steps: obtaining a multi-source monitoring data set in a metal stamping forming process, carrying out the collaborative feature extraction processing, and generating a material structure feature set and a process dynamic feature set; a mixed feature space is constructed based on the material structure feature set and the process dynamic feature set, multi-dimensional feature matching processing is executed in the mixed feature space, a feature mapping relation network is generated, a dynamic twin model is constructed according to the feature mapping relation network, and real-time state deduction is conducted on the stamping forming process based on the dynamic twin model. And a forming quality prediction result and a process defect positioning result are generated, and a stamping process parameter adjustment scheme is generated and fed back to a stamping control system to trigger parameter optimization operation. According to the method, the early warning capability of process defects and the precision of process parameter adjustment under complex working conditions are improved, and meanwhile, the real-time performance and engineering feasibility of digital twin construction in the large-scale stamping forming process are guaranteed.

The invention discloses a force and position monitoring and analyzing system applied to a press machine, and relates to the technical field of force and position monitoring of the press machine, the force and position monitoring and analyzing system comprises a data acquisition module which is provided with a force sensor and a displacement sensor, and force and displacement data of the press machine in the punching process are monitored and acquired in real time through the force sensor and the displacement sensor. According to the force and position monitoring and analyzing system applied to the press machine, force and displacement data are accurately collected in real time through the data collecting module, the optimal action parameters of the press machine can be calculated, and the punching action of the press machine is accurately controlled; in this way, the key parameters in the stamping process can accurately reach the preset target, the product quality problem caused by parameter deviation is effectively avoided, and the quality stability and consistency of products are greatly improved; the system can quickly adjust action parameters of the press machine according to real-time monitoring and analysis results, so that the stamping process is always kept in an optimal state, time waste caused by links such as debugging and reworking is reduced, and the production efficiency is remarkably improved.

The invention relates to the technical field of stamping metal processing, in particular to an integral forming stamping process for a new energy automobile battery contact spring, which comprises the following steps: collecting parameters in real time; abnormal judgment is performed to form a result; determining an abnormal event type; judging a processing risk grade; the blanking force and the forming force are adjusted; adjusting a tension threshold value and a synchronization degree threshold value; and the preset feeding speed is adjusted. Through multi-parameter real-time collection and coupling analysis, a closed-loop control system based on abnormal recognition, risk assessment and parameter self-adaptive adjustment is established, the precision and stability of contact spring punch forming are remarkably improved, the blanking force and the forming force are intelligently adjusted in a linkage mode when the risk level is high, so that the punching quality is optimized, and the production efficiency is improved. And the problem of composite disturbance instability caused by incapability of adapting to dynamic change of material elasticity and processing speed due to excessive dependence on a fixed adjustment mode is effectively solved.

The invention discloses a stamping die health state assessment method and system based on digital twinning, and relates to the technical field of die health state assessment, and the method comprises the following steps: a physical sensor network deployed on a stamping die collects die stamping process data in real time; constructing a finite element analysis simulation FEA model to simulate the working condition of the stamping die based on the geometric structure, the material attribute and the stamping process parameters of the die; according to the invention, the data of the die stamping process are collected in real time through the physical sensor network, and real-time calculation is carried out in combination with the finite element analysis simulation model, so that transient stress field, strain field and temperature field data of the die can be output in a short time, and real-time monitoring of the health state of the die is realized; by considering the degradation of the mold material performance along with the use time and the dynamic process of quantitative damage accumulation, the damage accumulation value is accurately calculated through the dynamic material performance database and the continuous damage mechanical model, and the accuracy of the evaluation result is improved.

The invention discloses a die stamping process optimization method and system, and relates to the related field of mechanical manufacturing, and the method comprises the steps: obtaining a data set of a workpiece, and extracting the features of the workpiece; matching simulation of the workpiece and the matching part is carried out, and a restrictive space of the workpiece is established; inputting the workpiece features and the product requirements of the workpiece into a structural feature analysis model to execute structural analysis, and establishing a structural sensitive identifier; performing mold optimization fitting, and establishing a mold reinforcing rib scheme set; performing stamping key parameter optimization based on the scheme set, and establishing a control parameter optimization set; and performing evaluation analysis on a mapping result through a multi-dimensional fitness evaluation function to generate a process optimization scheme. The technical problem that in an existing die stamping process optimization method, die design and process parameter adjustment are carried out separately, integrity and collaboration are lacked, and the optimization effect is limited is solved, and the technical effect that die design and process optimization are closely combined, and comprehensive optimization from die design to process parameters is achieved is achieved.

The invention relates to a stamping process parameter optimization method and device, electronic equipment and a medium, and belongs to the technical field of stamping. The method comprises the steps that a data set composed of sheet forming quality parameters under different stamping process parameters and total carbon emission data in the stamping machining process is obtained; fitting the data set to obtain an approximate model of forming quality parameters and total carbon emission predicted according to the stamping process parameters; and based on the approximation model and a multi-target optimization algorithm, multi-target optimization is carried out with the optimal forming quality parameter and the minimum total carbon emission as targets, and an optimal process parameter set is obtained. According to the method, multi-target optimization is carried out by taking the optimal forming quality parameter and the minimum total carbon emission as targets through the approximation model, the optimal stamping process parameter combination is obtained, and the problem of high carbon emission in the low-carbon steel stamping process is effectively solved on the premise that the forming quality of the stamping process is met.

The invention discloses an automobile lengthened longitudinal beam stamping springback prediction and compensation method, which comprises the following steps: constructing an initial data set containing an initial prediction value according to the influence of preset process parameters on stamping springback; constructing a springback prediction model by adopting an incremental plasticity theory, training the springback prediction model by adopting a gradient boosting decision tree, and adjusting process parameters by adopting a Bayesian optimization method; according to the optimal process parameters, finite element simulation is adopted to manufacture a longitudinal beam, simulation stamping springback data is generated, and a genetic algorithm and a variational auto-encoder are adopted to optimize a die compensation shape; and calculating compensation data of auxiliary stamping according to the die compensation shape, generating longitudinal beam processing data, and taking the longitudinal beam processing data as real stamping process parameters of the longitudinal beam. According to the stamping springback prediction and compensation method for the lengthened longitudinal beam of the automobile, the springback prediction accuracy can be improved, and the forming quality of the longitudinal beam is improved based on the optimized mold compensation shape and the auxiliary stamping compensation data.

The invention relates to the technical field of intelligent manufacturing, and discloses an intelligent control method and system for a stamping robot, and the method comprises the steps: constructing a knowledge graph containing the multi-dimensional relation of the quality of material technology equipment; the process knowledge is converted into a formalized logic rule, and the formalized logic rule is fused with a deep neural network to construct a neural symbol inference model; modeling the stamping process into a discrete event system, and verifying the correctness of a process control rule by using a linear temporal logic protocol; detecting and solving parameter constraint conflicts in the process control rule by using a satisfiability model theory solver; generating and executing a self-adaptive stamping control strategy based on the verified rule base and production process feedback; according to the method, symbol reasoning and deep learning are fused, the technical characteristics of high interpretability, high safety, high adaptive capacity and the like are achieved, and the quality consistency and production efficiency of stamping production can be effectively improved.

The invention provides a method for optimizing stamping process parameters of a thin-wall rectangular shell of a new energy battery, and relates to the technical field of metal plate stamping forming. The method systematically explores a process parameter space through an orthogonal test design, and accurately quantifies a parameter coupling effect in combination with a dual-target regression model to optimize the stamping process parameters of the thin-wall rectangular shell of the new energy battery. An NSGA-I algorithm is utilized to generate a Pareto optimal solution set giving consideration to the maximum / minimum molding thinning rate, and the limitation of traditional single-target optimization is broken through; furthermore, material fluctuation and equipment deviation are compensated in real time through PI D dynamic control, closed-loop control of modeling-optimization-feedback is formed, the consistency of the forming quality of the thin-wall shell is remarkably improved, the defect rate is reduced, meanwhile, the process debugging period is shortened, the adaptability of a production line to complex working conditions is enhanced, and the production efficiency is improved. And reliable technical support is provided for efficient and precise stamping of the new energy battery shell.

The invention discloses stamping equipment for powder metallurgy, and belongs to the field of powder metallurgy, the stamping equipment for powder metallurgy comprises a stamping machine body, the upper side of a horizontal part of the stamping machine body and the lower side of a hydraulic seat are jointly provided with a cleaning component, and the cleaning component comprises moving columns fixedly connected to the lower sides of the left and right parts of the hydraulic seat; the upper portions of the left side and the right side of the horizontal part of the punching machine body are rotationally connected with rotating cylinders correspondingly. Powder materials attached to the wide opening of the female die due to static electricity are swept through the arranged rotatable cleaning brush, and due to the fact that a gear drives the cleaning brush to rotate above the female die in the downward moving process of the hydraulic base, the cleaning brush is driven by the gear to rotate above the female die; the cleaning brush can remove residual powder materials at the wide opening of the female die, and the situation that part of powder raw materials are attached to the inlet due to static electricity is avoided, so that the situation that the powder raw materials cannot completely enter the female die in the stamping process, and the stamping quality of powder is affected is prevented.

The invention discloses an intelligent analysis and optimization method and system for the cross section of a stamped metal pipeline, and relates to the technical field of machining, and the method comprises the steps: obtaining a die design data flow and a stamping process data flow of a target stamped metal pipeline through a stamped metal pipeline production system, and obtaining a cross section machining data flow through a sensor; and performing finite element analysis on the basis of the plurality of data streams to generate a finite element model of the stamping metal pipeline. And obtaining application scene information of the target stamping metal pipeline, analyzing and determining pipeline stamping process simulation parameters, and performing section simulation analysis based on the finite element model to obtain a pipeline section quality analysis result. And adaptive adjustment is conducted on the stamping process simulation parameters based on the result, multiple pipeline stamping process parameters are obtained, feedback optimization is conducted, target pipeline stamping process parameters are determined, and production machining is conducted on the target stamping metal pipeline based on the target pipeline stamping process parameters. Therefore, the technical effects of shortening the optimization period and reducing the optimization cost are achieved.

The invention discloses a door and window embedded locking piece production device and a process thereof, and belongs to the technical field of locking piece production. Stamping dies are driven by a stamping driving assembly to move downwards, so that the two stamping dies are connected in a pressing mode to conduct stamping operation on door and window stamping parts; a buffering effect can be achieved through a first spring and a second spring in the stamping process, and after stamping, a driving transmission assembly and a driven rotating assembly are driven by a driving driving assembly to rotate, so that a stamping die rotates to switch positions, a hydraulic ejection assembly is matched with a second slope surface, and door and window stamping parts are positioned through negative pressure; and meanwhile, the hydraulic ejection assembly is further matched with the third slope surface, door and window stamping parts or residual products obtained after stamping are ejected out, automatic demolding operation is completed, meanwhile, when an electric hydraulic rod is used for stamping, a passive exhaust assembly exhausts air to conduct air blowing cleaning on a mold structure, and therefore the automatic demolding operation is completed. In this way, the multi-functional operation of positioning, ejecting, cleaning and switching the mold structure is completed through cooperation of the structures.

The invention belongs to the technical field of metal stamping dies, and particularly relates to a metal stamping die demolding structure which comprises a stamping base, a stamping frame fixed to the surface of the stamping base and a stamping hydraulic cylinder fixed to the surface of the stamping frame. A stamping base is arranged over the stamping die, a lubricating top die assembly is arranged above the stamping base, the lubricating top die assembly is arranged, lubricating oil can be smeared and sprayed to the surface of the stamping base and the interior of the stamping die, and therefore the friction force between the surface of the stamping base and the interior of the stamping die in the subsequent stamping process is reduced; the phenomenon that metal raw materials are damaged due to friction caused by forced stamping without lubrication is avoided, demolding after the metal raw materials are stamped is also facilitated through the lubrication effect, a metal blank formed through stamping can be pushed to be loosened, the rapid demolding effect is achieved, manual demolding is not needed, the labor intensity of manual demolding is reduced, and the demolding efficiency is improved.

The invention relates to the technical field of data processing, in particular to a liquid cooling plate production parameter management method and system based on the Internet of Things, and the method comprises the steps: obtaining the sliding data of each stamping sliding block at each sampling moment in a plurality of complete stamping processes of a liquid cooling plate, so as to construct a sliding data point at each sampling moment; cOF detection is carried out on the current sliding data point, in the detection process, the average noise degree of the current sliding data point and the previous sliding data points is utilized to correct the track cost of the corresponding two sliding data points, the correction value is negatively correlated with the average noise degree, and on the basis of the corrected track cost, the current sliding data point is corrected. And obtaining an abnormal detection result of COF detection on the current sliding data point so as to adjust production parameters of the liquid cooling plate. According to the invention, the accuracy of the anomaly detection result can be improved, and the anomaly of the stamping equipment can be accurately monitored.

According to the springback prediction compensation method in the precise stamping process of the high-pitch panel, the stamping force, the die temperature and the material thickness tolerance are collected through the multi-channel sensor, and the data quality is improved by combining standardization and abnormal value elimination; realizing parameter dimension reduction by adopting principal component analysis, obtaining working condition feature representation, quantifying working condition similarity by utilizing a weighted Euclidean-Mahalanobis distance, judging unseen working conditions in real time, and automatically triggering meta-learning model compensation; through model-independent element learning, rapid adaptive error prediction based on newest stamping data, and combination of confidence evaluation and dynamic adjustment compensation strategies, efficient prediction and robust compensation of springback errors are realized, and model parameters are continuously optimized in follow-up combination with actual compensation feedback. According to the method, the self-adaptive capacity and the forming precision to unknown stamping working conditions are improved.

The invention discloses an auxiliary design method and system for a stamping die, relates to the technical field of stamping dies, and realizes dynamic optimization and adjustment of a stamping process by receiving a design optimization instruction and combining real-time monitoring of mechanical property parameters and stamping specification parameters. In the prior art, the stamping process often depends on artificial experience and fixed parameters, and a real-time feedback mechanism and a systematized adjustment strategy are lacked. Through real-time acquisition and processing of mechanical property data, automatic adjustment can be carried out based on actual working conditions, and the stamping precision and efficiency are improved. In the blanking process, the influence of elastic recovery on blanking force fluctuation is analyzed, the heating temperature and the die gap range are further adjusted, the optimization strategy enables the stamping process to be adjusted according to actual changes, and a condition adaptation mark is finally generated by determining an adaptive heating temperature interval and continuously adjusting the heating temperature.

The invention discloses a single-machine multi-station linkage type press machine which comprises a press machine body, a bearing table is arranged on the press machine body, a plurality of bottom dies are arranged on the bearing table, a lower pressing plate is arranged on the bearing table in a guiding and sliding mode, a plurality of punching heads matched with the bottom dies are arranged on the lower pressing plate, and blowing holes blowing dust upwards are formed in the bottom dies. The bottom die is further provided with a detection piece used for detecting flying dust and a cleaning device. The invention provides a single-machine multi-station linkage type press machine which can conduct punching operation on a multi-station die at the same time, meanwhile, a die cavity and a punching head can be automatically cleaned at the same time, dust and particulate matter generated by metal deformation are removed, and therefore the situation that the die is damaged due to the fact that the particulate matter is accumulated in the continuous punching process is avoided. The production cost is reduced, and the production efficiency is improved.

The invention provides an in-die oil feeding, cooling and lubricating structure of a stamping die, and relates to the field of stamping dies. The in-die oil feeding, cooling and lubricating structure of the stamping die comprises a female die and a box body installed on the outer side of the female die, the box body is used for containing lubricating oil, a groove used for conducting punch forming on a workpiece is formed in the female die, a notch used for discharging oil is formed in the bottom of the female die, and a cooling device used for cooling the lubricating oil is installed on one side of the box body. According to the in-die oil feeding, cooling and lubricating structure of the stamping die, lubricating oil in the box body circularly flows and is in a low-temperature state, in the stamping process, descending of the filling plate can enable the spray head to rotate, and due to the fact that the low-temperature lubricating oil is directly and sufficiently sprayed to the inner wall of the female die, a workpiece material and the bottom of the filling plate, the sufficient lubricating effect can be achieved; due to the fact that the notch is formed in the bottom of the female die, finally sprayed lubricating oil converges into the box body through the notch to form circulation, and waste of the lubricating oil can be prevented.

The invention relates to the technical field of numerical control punching machines, in particular to an intelligent punching control method and system of a high-precision numerical control punching machine, a medium and computer equipment. According to the method, the initial parameters are acquired, the coupling model is constructed, the complex coupling relationship among the parameters is quantitatively analyzed, the interaction among the parameters is accurately captured, and the weighted value is dynamically adjusted to realize multi-parameter collaborative optimization, so that the globality and stability of the optimization process are ensured, and the optimization efficiency is improved. An improved particle swarm optimization algorithm is adopted to solve a collaborative optimization objective function, optimization efficiency and precision are effectively improved, an optimization scheme is verified through a virtual stamping test and real-time data acquisition, it is ensured that the optimization scheme can keep a low parameter fluctuation index in the actual stamping process, and the optimization efficiency and precision are improved. Through construction and dynamic optimization of the multi-parameter coupling model, the problem that the global optimal solution is difficult to realize due to the fact that mutual influence among parameters cannot be fully considered in single-parameter adjustment in the prior art is effectively solved.

The invention relates to a dynamic control method and system for elastic sheet punch forming in the field of high-end equipment manufacturing, and the method comprises the steps: obtaining optimized pressure distribution data, and calculating the punching speed adjustment amount of each region in combination with a preset model of the impact of the punching speed on the deformation of an elastic sheet, thereby obtaining a speed distribution adjustment matrix; the stamping speed data and the pressure distribution data which are adjusted in real time are adopted to drive stamping equipment to execute dynamic stamping operation, and the size and performance measurement data of the formed elastic piece are obtained; obtaining the size measurement data of the formed elastic sheet, and scanning the surface of the elastic sheet through a high-precision three-dimensional scanner to obtain an elastic sheet size deviation distribution matrix; and the updated stamping process parameters are adopted, stamping operation is circularly executed, dimensional deviation and performance consistency data are continuously collected, and finally elastic piece product data meeting the precision requirement are obtained.

The utility model discloses an anti-sticking punching device for bearing forging. The anti-sticking punching device comprises a punching rack, a lifting driving mechanism, a punching head, a punching table, a guide vertical rod, a guide transverse rod, a clamping block and a pressing rod. The guide vertical rod is in up-down sliding fit with the stamping table around the center of the stamping table; supporting springs are arranged at the tops of the guide vertical rods; a push-stop block is mounted at the top of the guide vertical rod; a vertical surface and an inclined surface are arranged on one side surface of the push stop block from top to bottom; the inclined surface is obliquely arranged in the direction far away from the blanking hole from top to bottom; the guide cross rod is in horizontal sliding fit with a bracket on the stamping table; reset springs are arranged at the outer ends of the guide cross rods; the pressing rod is connected with the punching head; the bottom end of the pressing rod is vertically aligned with the top end of the guide vertical rod; when the stamping head moves downwards and upwards, the outer end of the guide cross rod slides along the vertical face all the time, the clamping blocks clamp and restrain forging materials all the time, and the material sticking situation in the stamping process is effectively avoided.

The utility model relates to the technical field of lead frame stamping, and discloses a stamping die for lead frame production, which comprises an upper die and a lower die, a driving part is arranged between a lower die base and an upper die base, a plurality of stamping heads are arranged at the bottom of the upper die side by side, the heights of the plurality of stamping heads are sequentially reduced from the middle to the outside, and the stamping heads are arranged on the lower die base. Two positioning pieces used for flexibly fixing the lead frame are symmetrically arranged at the two ends of the bottom of the upper die, the driving piece comprises a base, and the lower die base is fixedly arranged on the base. The stamping head at the bottom of the upper die base is changed into a form that the middle is high and the two sides are gradually reduced, so that the influence of deformation of the die on the local pressure height of the upper die in the stamping process is counteracted, and the local pressure borne by pins of each row of products during stamping is improved from the original small middle pressure and large two-side pressure to the same middle pressure and two-side pressure; therefore, the lead frame stamping quality is improved.

The automatic blanking mechanism for sheet metal part machining comprises a workbench, the workbench comprises a waste box and supporting legs, a connecting block is fixedly installed on the rear wall of the workbench, a stamping part is arranged at the top of the connecting block, a driving part is arranged on the front wall of the workbench, and a removing part and a buffering part are arranged at the top and the bottom of the workbench correspondingly; the automatic punching device has the beneficial effects that after the telescopic end of the electric push rod drives the punch and the pressing plate which are connected with the telescopic end to reset, waste located in an inner cavity of the cylindrical block is pushed to the flat layer where the workbench is located through the extrusion block, then automatic punching is completed, the motor is further started, and an output shaft of the motor drives the lead screw connected with the output shaft to spin; and then a sliding block connected to the surface of the lead screw in a threaded and sleeving mode drives a push plate to sweep along the top face of the workbench, the hole materials are pushed to a waste opening and collected by a waste box, in the whole process, the machining efficiency of the device is improved, waste generated in the punching process is more conveniently collected, and the cleanliness of the working environment is kept.

The frequency converter shell stamping device particularly relates to the technical field of frequency converter production and comprises a machine shell, a plurality of machine legs are fixedly connected to the lower end of the machine shell, a containing plate is fixedly connected to the inner surface of the machine shell, an upper die is fixedly installed at the lower end of a hydraulic cylinder, and a conveying and oil spraying assembly is arranged on the inner surface of the machine shell. A cooling supporting assembly is arranged on the inner surface of the lower mold and the inner surface of the upper mold. According to the frequency converter shell stamping device, by arranging the oil spraying mechanism, lubricating oil is sprayed to the upper die and the lower die, meanwhile, an aluminum alloy plate in the moving process can be sprayed, friction can be effectively reduced, abrasion between the dies and materials in the stamping process is reduced, the service life of the dies is prolonged, and meanwhile, the production efficiency is improved. And the lubricating oil can improve the stability in the stamping process, reduce the risks of material deformation, wrinkles and cracks, and ensure the surface quality and dimensional precision of the aluminum alloy plate.

The invention relates to the technical field of fire-fighting butterfly valve production, in particular to a fire-fighting butterfly valve assembly punch forming device which comprises a machine body, a lower supporting plate is fixedly installed on the upper end face of the machine body, limiting sliding columns are fixedly installed at the four corners of the upper end face of the lower supporting plate, and an upper supporting plate is jointly and fixedly installed at the upper ends of the limiting sliding columns. A driving mechanism used for providing power for the stamping fluted disc is arranged on the upper supporting plate. A positioning, flat pressing and stamping integrated operation model is adopted to complete three-stage punch forming operation of the fire-fighting butterfly valve handle fluted disc, in the three stages of punch forming operation, fitting supporting, expansion positioning, bearing plate fitting and rectangular limiting frame locking are provided correspondingly, the stamping force can be evenly dispersed, excessive deformation of materials is prevented, and the service life of the fire-fighting butterfly valve handle fluted disc is prolonged. The flatness and the overall shape of the fluted disc are improved, it is ensured that the fluted disc is kept at the correct position in the stamping process, the locking stability is further enhanced, the structural integrity and the anti-fatigue performance of the fluted disc are improved, and finally it is ensured that the stamping quality of each fluted disc meets the preset standard.

The invention discloses a prediction control system for wrinkling of an automobile bearing stamping part, and relates to the technical field of model prediction, and the system comprises a data collection unit which is composed of a fluctuation collection matrix and a variable collection matrix, obtains the fluctuation change data of a plate in the stamping process through the fluctuation collection matrix, and transmits the fluctuation change data to a control unit; variable data of the plate in the stamping process is obtained through the variable collection matrix; and the stamping model is established based on historical stamping data, fluctuation change data are obtained for differential analysis, abnormal data segments of the historical stamping data are determined, abnormal sound wave and vibration wave characteristics of the plate are determined, and the corrugation of the stamping part is predicted through a corrugation prediction algorithm in combination with variable data, so that a prediction result is generated. In the plate stamping process, the state change of the plate in the mold is determined by monitoring the vibration wave and sound wave change of the plate, so that the purpose of predicting wrinkling is achieved, and the stamping quality of the plate is further improved.

A seal intelligent management terminal disclosed by the present invention comprises a shell, a trigger mechanism, a turnover mechanism and a seal, the shell is provided with an identification mechanism used for biological characteristic verification for identity confirmation, the trigger mechanism is installed at the top of the shell, the turnover mechanism is installed in the shell in a sliding manner, the seal is connected to the turnover mechanism, and the seal is connected to the turnover mechanism. The seal faces the inner side of the shell when not used, the turnover mechanism drives the seal to turn over to seal a file to be sealed when the seal is used, and the shell is provided with a monitoring mechanism which conducts real-time distance measurement on the file to be sealed so as to judge whether the file to be sealed is shielded or replaced or not and conducts image collection on the file to be sealed. And a control circuit board which has positioning and communication functions and is in signal connection with each mechanism is also arranged in the shell. The device has the advantages that the biological characteristics of a user can be verified, the actual use place can be verified, and the situation that the file to be stamped is replaced in the stamping process can be avoided.

The invention discloses integrated functional lead frame production equipment and a lead frame thereof, and relates to the technical field of lead frame production, and the integrated functional lead frame production equipment comprises a first-stage straightening unit, a pre-forming unit, a pre-stamping unit, a second-stage straightening unit and a processing unit which are sequentially arranged in the feeding direction of a material plate; through the technological processes of primary straightening, pre-stamping and secondary straightening, plate residual stress concentration in the middle of the material plate is effectively reduced. In the pre-stamping process, the middle of the material plate is pressed downwards to form a height difference, so that leakage of lubricating oil is reduced, and the material plate is attached to the limitation of the supporting frame and the supporting plate. In addition, the side portion of the material plate is punched to form protruding clamping grooves, the protruding clamping grooves are connected to the surface of the supporting frame in a clamped mode, the supporting frame supports the protruding clamping grooves, the rigidity and the torque resistance of the material plate are further enhanced, the two protruding clamping grooves in the side portion of the material plate can effectively isolate vibration in the transportation process, and therefore the material plate is prevented from being damaged. And the overall stability of the material plate after pre-stamping is further improved.

The invention discloses a control system and method of an intelligent servo press, relates to the technical field of press control, and constructs a uniform stamping state representation through deep excavation and fusion of force and displacement process data streams generated in the servo press. On the basis, a double-time-scale implicit state estimation algorithm is introduced, time sequence modeling and deep analysis are carried out on weak and gradual change characteristics contained in a full-stroke force displacement curve, and therefore accurate quantitative evaluation of the implicit state of mold abrasion is achieved. Then, the quantized wear value serves as a core decision factor, a self-adaptive control mechanism based on a compensation knowledge base is driven, and an optimal process compensation strategy and a sliding block target track are dynamically generated. Therefore, the product quality consistency in the precise stamping process can be improved, the service life of the die is effectively prolonged, the production cost is reduced, and the intelligent level of stamping production is comprehensively improved.

The invention relates to the technical field of stamping machining, in particular to a high-speed stamping device for an automobile shock absorber support. Comprising a frame body and a movably-arranged straight keeping part, the stamping mechanism comprises a lower module and an upper module, two moving seats in bilateral symmetry and a supporting plate located between the two moving seats are slidably installed on the lower module, two supporting seats in bilateral symmetry are slidably installed on the supporting plate, and limiting plates are rotatably installed on the supporting seats. Through cooperation of the rotatable limiting plate and the linkage demolding structure, dynamic limiting of a plate is kept in the whole stamping process, after stamping and before the upper die block moves upwards, rigid supporting is formed by making contact with the two sides of the vertical section of the forming support in advance through the straight keeping pieces, free deformation of the material is restrained, and the stamping quality is improved. And then when the upper die block moves upwards and the limiting plate is separated from the support, the straightening piece conducts vertical straightening and shape preserving on the vertical section of the formed support in an up-down reciprocating mode, so that the forming precision of the formed support is guaranteed, meanwhile, rapid demolding is facilitated, and the overall production efficiency is improved.