2289 results about "Machining system" patented technology

The invention relates to the field of bending machines, in particular to a bending machine system based on real-time springback compensation and a bending angle dynamic calibration method, and the bending machine system comprises a bending machine sliding block, a workbench, a linear guide rail, a sensor, a compensation calculation module and an electric control cabinet; an upper die is arranged at the bottom of the bending machine sliding block, a lower die matched with the upper die is arranged above the workbench, a material to be bent is placed on the lower die, linear guide rails are symmetrically arranged on the two sides of the workbench, angle detectors are symmetrically arranged on the linear guide rails, high-precision angle sensors are arranged in the angle detectors, and the high-precision angle sensors are arranged on the linear guide rails. The angle acquisition module is used for acquiring material bending angle data in real time and uploading the data to a control system of the electric control cabinet through the communication module; the sensor and the compensation calculation module are arranged in the electric control cabinet, the degree-of-freedom rotating arm is arranged on the electric control cabinet, through real-time feedback, dynamic compensation and intelligent decision making, the precision and efficiency bottlenecks caused by material springback are solved, and the industrial application value is remarkable.

The invention provides a calculation task scheduling method and system applied to a numerical control machining system, and the method comprises the steps: obtaining a task request set containing a machining process type and a real-time constraint identifier, extracting a processing complexity feature and a resource demand feature, calling a task priority evaluation model to generate a priority sequence, and carrying out the calculation of a task. Generating an initial scheduling scheme according to the sequence and current available resource information of the system, adaptively adjusting the initial scheduling scheme based on task execution state information fed back in real time, and generating a final scheduling scheme including a task execution sequence and resource allocation parameters, thereby comprehensively considering task complexity, resource requirements and real-time constraints, and improving the scheduling efficiency. Dynamic matching and optimal scheduling of tasks and resources are achieved, and the machining efficiency and the resource utilization rate of the numerical control machining system are effectively improved.

The invention relates to the technical field of energy storage systems, and discloses a three-phase parallel operation system and a power distribution method and device thereof. The method comprises the following steps: acquiring initial distribution power of each phase of each energy storage inverter; determining a locked phase, a non-locked phase, a locked energy storage inverter and a non-locked energy storage inverter according to the initial distribution power of each phase of each energy storage inverter; determining missing power of the locked phase of the locked energy storage inverter according to the locked energy storage inverter and the locked phase; according to the initial distribution power of the non-locked phase of the locked energy storage inverter, the charging margin is obtained; according to the initial distribution power of the non-locking phase of the non-locking energy storage inverter, obtaining a discharge margin; and obtaining the target distribution power of each phase of each energy storage inverter according to the missing power, the charging margin and the discharging margin. Through overall calculation of the global margin, the problems that interphase power of a traditional parallel operation system is rigid and the overall performance is restricted by a single-point bottleneck are solved, and the load adaptability and the operation reliability of the parallel operation system are remarkably improved.

The invention belongs to the technical field of matching control of a network construction type system, and particularly discloses a power feedback control method suitable for matching control low-frequency oscillation suppression, which comprises the following steps: establishing a power-frequency transfer relation of a multi-matching control parallel system, analyzing the torque of the multi-matching control parallel system based on a damping torque method, and calculating the power-frequency transfer relation of the multi-matching control parallel system; determining an introduction factor of a negative damping torque component in the multi-matching control parallel system and a stability condition in the multi-matching control parallel system; and then additional damping control based on power feedback is designed through a lead-lag compensator, a negative damping torque part in the multi-matching control parallel system is compensated, and power feedback control is completed. According to the method, the problems that the dynamic response of the whole system becomes extremely complex due to the dynamic interaction among the converters when a plurality of matched control network-forming converters exist in the network-forming system, and the oscillation suppression effect under the multi-machine system is difficult to guarantee by the existing suppression strategy are solved.

The present invention discloses a laser metal curved surface automatic focus processing system and method thereof, including: a multimodal data fusion device, a curved surface detection module with a secondary tracking structure, integrated 3D structured light vision and vibration sensing equipment; a dynamic focus correction module, configured with an adaptive energy control unit and a beam shaping component; a nonlinear motion control console, including a six-degree-of-freedom parallel mechanism motion platform, and its servo control system integrates a time-space phase compensation algorithm; a core control unit, the core control unit has an embedded fusion algorithm model, and establishes a nonlinear mapping between material removal efficiency η and multivariable dynamic parameters. The processing quality level of the present invention is improved through the multi-source data fusion of 3D structured light and vibration sensing, the curvature recognition accuracy is improved, and the focus offset is reduced in combination with the axial vibration compensation mechanism, thereby effectively improving the processing quality.

The invention provides an automatic machining system for integrated die-casting parts and a control method. The system comprises a plurality of numerical control machining centers, a conveying robot, a robot ground rail and an intelligent main control system. The numerical control machining center is used for executing different machining procedures of the integrated die-casting part, the conveying robot supports walking through the robot ground rail to complete automatic feeding and discharging, and the intelligent main control system controls the numerical control machining center and the conveying robot to work cooperatively. According to the control method, the technological process is determined, the technological process is decomposed into sub-procedures, the sub-procedures are distributed to different numerical control machining centers, a target scheme is generated based on sub-procedure priority scores and technological process dynamic planning, and the transport robot is controlled to conduct feeding, discharging and cleaning operation. According to the method, simultaneous production of parts in different procedures is achieved, and the problem that in the prior art, an automatic feeding and discharging system and method for different parts in different procedures are lacked is solved.

The invention relates to the technical field of sintering production, in particular to a self-adaptive control method for an ignition process of a metallurgical sintering machine, which comprises the following steps of: acquiring key parameters such as material layer thickness, hearth pressure, sintering machine speed and air box temperature in a sintering machine system in real time, and transmitting acquired data to an ignition control model unit; and parameters such as fuel and air flow and air volume are dynamically adjusted by adopting a self-adaptive optimization algorithm, so that rapid improvement and stable control of the ignition efficiency are realized. According to the method, temperature and fuel in the ignition process are evaluated through a big data analysis technology in combination with actual requirements of the sintering process, and an ignition control strategy is optimized in combination with an intelligent regulation and control algorithm. Aiming at the complexity of an ignition process of the metallurgical sintering machine, an adaptive optimization technology is utilized to realize accurate control of the ignition process, and optimization suggestions are comprehensively given according to an ignition temperature curve and a fuel consumption condition to timely guide an operator to adjust process parameters, so that the ignition efficiency is improved, the energy consumption is reduced, and the sintering quality is improved.

The invention relates to the technical field of laser welding, in particular to a cold-roll steel sheet laser welding machining system and method, the cold-roll steel sheet laser welding machining system is matched with the cold-roll steel sheet laser welding machining system for completion, and the cold-roll steel sheet laser welding machining system comprises a first rectangular plate, a working platform, a lifting clamping mechanism, a wheel disc clamping mechanism and a feeding auxiliary mechanism. According to the laser welding machining system and method for the cold-rolled steel sheets, the adopted lifting clamping mechanism is provided with the wheel disc clamping mechanism and the feeding auxiliary mechanism which are matched, the multiple blades can be driven to swing by a proper angle, then the multiple blades are jointly clamped through the multiple first arc-shaped clamping plates, and the machining efficiency is improved. The problem that the angles of the blades are not consistent when the blades are manually and sequentially placed during manual welding is solved, the front wheel disc and the rear wheel disc can be clamped, the multiple blades and multiple welding positions of the front wheel disc and the rear wheel disc are welded at the same time, manual sequential welding is not needed, and the welding efficiency and the welding quality of the multiple blades and the front wheel disc and the rear wheel disc are effectively improved.

The invention discloses a shield tunneling machine attitude control method and system based on axis deviation, relates to the technical field of shield tunneling machine control, and solves the problem that an existing shield tunneling machine control method cannot accurately control a shield tunneling machine to advance along a tunnel design axis. The method comprises the steps that in a posture control ring, a guiding system compares current posture data of a shield tunneling machine with target posture data determined by a tunnel design axis to obtain the axis deviation of the shield tunneling machine relative to the tunnel design axis through calculation, and the axis deviation is input into a posture controller to obtain the pressure difference between upper and lower partition hydraulic cylinders or left and right partition hydraulic cylinders; therefore, the pose deviation is continuously reduced, and the shield tunneling machine advances along the tunnel design axis; according to the method, a specific mathematical model is not needed, accurate tracking of the notch horizontal / vertical deviation reference trajectory can be achieved only through I / O data in the tunneling process of the shield tunneling machine, and the problem that attitude control is difficult due to the complexity of a shield tunneling machine system is solved.

The invention relates to a magnetic suspension air separation expansion machine system and an operation method thereof. The system comprises a base, a magnetic suspension bearing assembly, a rotor assembly and a control module. The magnetic suspension bearing assembly is arranged on the base, comprises an expansion end radial magnetic suspension bearing, a brake end radial magnetic suspension bearing and an axial thrust magnetic suspension bearing, and is used for supporting radial and axial forces of the rotor assembly; the rotor assembly is arranged in the machine body and connected with the machine body through the magnetic suspension bearing assembly, and non-contact suspension is achieved. The control module is electrically connected with the magnetic suspension bearing assembly and used for controlling the magnetic suspension bearing assembly to suspend the rotor. The operation method comprises the steps of self-checking before starting, electrifying to suspend the rotor, starting the air compressor to pressurize, adjusting flow to drive the expansion impeller, carrying out split-flow cooling on gas, and collecting data in real time to maintain stable suspension of the rotor. The device has the advantages of high efficiency, stability, energy conservation and the like and is suitable for the field of air separation.

The invention relates to a virtual synchronous machine transient stability optimization control system and method, and the method comprises the steps: sampling a three-phase power grid to detect the angular frequency of a power grid in real time, carrying out the subtraction of the angular frequency and the angular frequency outputted by an active-frequency control module of a virtual synchronous machine, multiplying a coefficient, and introducing into a reactive-voltage control module. The voltage sag dynamic state of the virtual synchronous machine under the power grid voltage drop is slowed down by means of angular frequency fluctuation caused by active power adjustment of the virtual synchronous machine under the power grid voltage drop, and the transient voltage supporting capacity of the virtual synchronous machine under the fault is improved. Under stable operation, the output angular frequency of the active power-frequency control module of the virtual synchronous machine is equal to the angular frequency of the power grid, so that the additional loop has no influence on the virtual synchronous machine during stable operation. According to the invention, the difference between the power grid angular frequency and the output angular frequency of the active-frequency control module is introduced into the reactive-voltage control module, so that the system can maintain good damping characteristics during the transient period, and the transient stability of the virtual synchronous machine system is improved.

The invention discloses an error compensation correction method for a femtosecond laser galvanometer 4F machining system, and belongs to the technical field of high-precision machining. Leveling the processing system; processing and characterization of the square block are calibrated; deflection correction of a scanning galvanometer of the femtosecond laser processing system and deflection correction of a scanning plane of the scanning galvanometer of the femtosecond laser processing system; according to the method, the length and width data of the calibration square block are collected, pre-compensation operation is carried out on an original structure machining file, and the size error of a machining structure caused by deflection of laser through a scanning galvanometer reflector is eliminated; by collecting the angle difference value of the scanning plane of the scanning galvanometer control laser and the plane of the substrate, plane deflection correction operation is carried out on an original structure processing file, the problem that the scanning plane does not coincide with the plane of the substrate is solved, and the consistency of all areas of a scanning structure is extremely high; the preparation of a high-precision and large-size true three-dimensional structure can be realized through the galvanometer-based femtosecond laser two-photon polymerization processing system, and the processing capability of the galvanometer-based femtosecond laser processing system is successfully optimized; the method has the outstanding advantages of being universal, high in operability and wide in applicability.

The invention discloses a slope type caterpillar track gravity energy storage multi-machine system, and relates to the technical field of gravity energy storage. Comprising a main system unit, a supporting track laid according to a mountain structure, a chain type mass block dragging device arranged on the supporting track, double-motor assemblies arranged at the two ends of the supporting track, and a control system used for controlling the main system unit to operate in a power mode and a phase modulation mode. By designing a dual-mode operation system of a power mode and a phase modulation mode, dual functions of energy storage and discharge and reactive power regulation are realized, and by arranging an auxiliary motor and a kinetic energy recovery device and combining a staggered arrangement scheme of a heavy-load track and a light-load track, efficient recovery and cyclic utilization of energy in the movement process of the mass block are realized, and the energy utilization rate of the mass block is improved. By establishing a mathematical relationship model of track arrangement and adopting a design scheme of performing dynamic optimization according to mountain characteristics, the operation safety is ensured through an automatic mass block carrying and stacking system.

According to the truck loading method, the inner wall of a truck compartment / container is scanned through a laser radar, a model is constructed, and therefore reference is provided for goods stacking; meanwhile, when the forklift enters the boxcar / container through the movable track and the track forklift on the movable track, the movable track adapts to the inclination change of the boxcar / container and is aligned with the trend of the boxcar / container, and therefore it is guaranteed that goods do not need to be adjusted in the conveying process. According to the loading method provided by the invention, on the basis of the ground rail type loading machine system, the tray and the steel drum fine password on the tray can be placed in a boxcar / container.

The invention relates to the technical field of compound machine tools, and discloses a variable working condition tool wear prediction method based on a compound machine tool, which comprises the following steps: s1, collecting dynamic signals and acquiring process parameters; s2, constructing a tool wear prediction model; and s3, multi-task training of the meta learning framework: obtaining updated Wy and by through meta learning. And deploying the tool wear prediction model in an actual machining system of the compound machine tool, and quickly outputting a tool wear prediction value at the current moment according to the received dynamic signal and process parameters. The method has the beneficial effects that the machine tool does not need to be shut down and the tool wear prediction accuracy is high.

An agricultural machine system includes a baling system. The baling system includes a bale forming region. The baling system also includes a tensioning arm rotatably coupled to a frame of the baling system at a pivot. The baling system also includes a first plurality of rollers disposed about the bale forming region. The baling system also includes a second plurality of rollers rotatably coupled to the tensioning arm. The baling system also includes a bale forming belt disposed about the bale forming region. The bale forming belt is engaged with the first plurality of rollers and the second plurality of rollers. A rotational axis of the pivot is positioned below a longitudinal central axis of a fully-formed bale disposed in the bale forming region at an end of a bale forming stage. At least a portion of each roller of the first plurality of rollers is disposed below a height of the fully-formed bale at the end of the bale forming stage.

The invention relates to the technical field of deep hole machining, and provides a multi-axis linkage machining system for drilling and milling the inner wall of a deep hole, which adopts a linear motion device to directly drive a cutter support module, omits a lead screw and other intermediate transmission links, shortens the non-cutting time, has high positioning precision, can improve the machining efficiency, and has lower operation noise and vibration. The processing environment can be improved; according to the workpiece clamping device, a second hollow rotating platform is connected with a chuck, the chuck clamps the workpiece, through program control, the second hollow rotating platform can drive the workpiece on the chuck to rotate and position at any angle, and the requirement for machining the workpiece by a drilling and milling cutter module is met; the problems of time waste, positioning errors and the like caused by secondary clamping are avoided, and the workpiece machining efficiency is improved; a tool bit of the drilling tool module is fed by adopting a variable-diameter structure (a tool bit feeding assembly), and drilling and milling can be carried out on the inner walls of deep hole type workpieces with complex inner hole shapes such as bottleneck holes and stepped holes.

The invention discloses an aviation thin-wall composite component robot edge milling process parameter optimization method, which comprises the following steps: constructing a milling force prediction model, and predicting a milling force based on machining equipment parameters and machining process parameters; a robot edge milling machining system is constructed, the predicted milling force serves as input, the robot tail end cutter vibration response and the workpiece vibration response are obtained, and the surface roughness of the workpiece is detected; based on different machining equipment parameters and / or machining process parameters, a milling force-workpiece surface roughness database is obtained; optimizing by taking the minimum milling force and the optimal milling quality as targets, screening a milling force-workpiece surface roughness database, and outputting an optimal combination; the edge milling machining quality of the aviation thin-wall composite component robot is remarkably improved, and the problems of large milling vibration and poor machining quality caused by the fact that technological parameters of the aviation large weak-rigidity component robot are difficult to regulate and control are solved.

The invention relates to the technical field of cycloid cyclone separation machining, in particular to a cycloid cyclone separation machining machine tool, system and method capable of synchronously machining multiple teeth. The cutter shafts are used for fixing and driving cutters, and the number of the cutter shafts is at least two; the workpiece driving piece is used for driving the workpiece shaft; the cutter shaft driving part is used for driving the cutter shaft; the cutter shaft regulation and control unit is used for regulating and controlling the position of the cutter shaft; when the machine tool runs, the cutter shaft driving part and the workpiece driving part run according to a preset rotating speed ratio, and the rotating speeds of the cutter shafts are the same. According to the cycloid rotational separation machining tool, multi-tooth synchronous machining can be achieved, and the cycloid rotational separation machining efficiency and precision can be further improved by combining the cycloid rotational separation machining tool with the cycloid rotational separation machining system and method.

The invention provides a multi-robot dieless forming and laser shock peening combined machining system and method, and relates to the technical field of manufacturing and machining. A thin-wall workpiece to be machined is placed on a workpiece clamping platform, a central control system controls a vacuum chuck array to generate negative pressure of a corresponding area according to the size and the shape of the workpiece, the central control system introduces a three-dimensional model of the workpiece, the motion trails of a forming robot and a forming and strengthening robot are planned based on the technological requirements of forming and strengthening, and the forming and strengthening process is completed. Determining a sequence area of dieless forming and a corresponding area of laser shock peening; then collaborative processing is carried out, the collaborative processing comprises a forming stage and a strengthening stage, that is, every time a forming robot completes forming of one sub-area, a forming strengthening robot immediately strengthens the sub-area, and the central control system carries out collaborative processing according to the forming precision and strengthening effect fed back by the visual positioning module; and parameters of the subsequent forming area and laser energy of the strengthening area are dynamically corrected till machining of the whole workpiece is completed.

The invention relates to the technical field of numerical control machining production control, in particular to a numerical control machining dynamic scheduling method oriented to multi-machine collaboration, which comprises the following steps of: establishing a directed graph according to real-time production state data, and then obtaining an adjustment priority score of each machining device based on a preset graph neural network according to the directed graph; the plurality of processing devices are scheduled based on the directed graph and the adjustment priority score. Compared with the prior art, the dynamic state of the multi-machine collaborative processing system can be more comprehensively and accurately modeled by constructing the directed graph containing the processing equipment node features and the process relationship, an adjustment priority score calculation mechanism based on the graph neural network is introduced, the adjustment suitability of each equipment in an emergency can be intelligently evaluated, and the processing efficiency of the multi-machine collaborative processing system is improved. The quick response capability of the scheduling scheme to abnormal events is effectively improved, better scheduling performance and higher production efficiency are achieved, and the problem that in the prior art, a multi-machine-tool scheduling method is poor in flexibility is solved.

The fastening bolt thread machining system comprises a supporting mechanism, the supporting mechanism comprises a rotatable material clamping assembly, a machined part is arranged on the rotatable material clamping assembly, a transmission assembly is connected to the middle of the rotatable material clamping assembly, a lifting assembly is fixedly connected to the upper portion of the rotatable material clamping assembly, and a driving assembly is arranged on the lifting assembly; and the adjustable machining mechanism comprises a rotating assembly and an elastic assembly, the rotating assembly is assembled on the lifting assembly and is in transmission connection with the transmission assembly, a thread machining assembly is arranged on the peripheral face of the rotating assembly, and the thread machining assembly can be in transmission connection with the driving assembly. The elastic assembly is lifted upwards through the lifting assembly, so that the elastic assembly can be elastically reset after being lifted by a section, the elastic assembly and the inclined groove are matched to drive the rotating assembly and the thread machining assembly to rotate, and the positions of the multiple cutter bodies can be automatically switched.

The utility model discloses a supercritical CO2 and ultrasonic combined machining system and a machine tool. The system comprises a supercritical CO2 supply system connected with a first control valve; the supercritical CO2 control module is electrically connected with the first control valve; the supercritical CO2 control module is also electrically connected with the supercritical CO2 supply unit; the ultrasonic machining control module comprises an ultrasonic control module, the ultrasonic control module is electrically connected with the ultrasonic machining device, and the ultrasonic control module is further electrically connected with the supercritical CO2 control module so as to control the process parameters of the supercritical CO2 to be dynamically adjusted within a preset range along with the ultrasonic parameters according to the corresponding relation between the process parameters of the supercritical CO2 and the ultrasonic parameters. Through combination of supercritical CO2 and ultrasound, the spraying effect of the supercritical CO2 is improved, the machining effect and machining quality are ensured, and the machining efficiency and precision are improved.

Provided are: a hoisting machine capable of smoothly mounting a member on a mounting surface; a hoisting machine system; and a method for using the hoisting machine system. A hoisting machine 1 comprises: a hoisting means 25; a drive motor 22 for rotating the hoisting means 25; a load calculation means 100b for calculating the load of the hoisting means 25; and a motor control means 100 for controlling the drive motor 22. The motor control means includes: a first torque control mode in which the torque of the drive motor 22 is controlled on the basis of a reference torque Tm0 corresponding to a reference load and a load torque Tl corresponding to the load; and a second torque control mode in which the torque of the drive motor 22 is controlled so that the torque is smaller by a predetermined amount as compared to the first torque control mode.

The invention discloses a stainless steel material gear machining system, and relates to the technical field of gear machining. Accurate positioning and feeding of a gear blank are achieved through the rotary positioning pin and the feeding electric cylinder; the cutting wheel rotates at a high speed to complete tooth root cutting, and high-pressure airflow immediately cleans scrap iron on a cutting edge; the closed protective cover is matched with the scrap blocking cover and the scrap guiding pipe to guide scrap iron to the cooling liquid pool in a centralized mode. And internal air pressure is released to drive the air wheel and the rotary impeller disc, so that the cooling liquid forms rotary flow, scrap iron is concentrated and deposited, secondary pollution or pipeline blockage of the scrap iron is prevented, and the gear machining efficiency and quality are greatly improved.

The invention belongs to the related technical field of robot machining deformation optimization, and discloses a redundant angle and process parameter joint optimization method and device for complex curved surface robot machining, and the method comprises the steps: (1) forming a multi-domain composite constraint by a joint movement limit constraint, a pose singularity constraint and a machining deformation error constraint corresponding to a robot machining system; carrying out fusion modeling in the redundant angular space based on multi-domain composite constraints so as to map constraints of different dimensions in different spaces into a unified fusion potential field; (2) establishing a kinetic equation taking a virtual torque generated by the fusion potential field as driving input, sequentially solving based on the obtained kinetic equation and a numerical solution method to obtain a redundant angle of each cutter location point, and then obtaining a continuous and smooth redundant angle track; and (3) based on the obtained redundant angular trajectory, performing iterative solution on the optimization model by using an optimization algorithm to obtain an optimal processing parameter combination. According to the method, collaborative optimization of the process parameters and the redundant corners is realized.

The invention provides a triangular circulation heat management system and method for an automobile air conditioner. The system comprises a host system, a condensation system and a compression system. The main machine system comprises an air conditioner main machine with an evaporator, and the evaporator evaporates condensate water in the main machine system into water vapor. The condensing system comprises a condenser, one end of the condensing system is communicated with the host system through a pipeline, and the condensing system condenses water vapor into liquid water; the compression system comprises a compressor, the compression system communicates with the main machine system and the condensation system through pipelines, and the compressor provides heat for the evaporator. A first electronic expansion valve is arranged between the main machine system and the condensation system, a second electronic expansion valve is arranged between the main machine system and the compression system, the two ends of the compression system are connected through a third electronic expansion valve, and when the third electronic expansion valve is opened, the two ends of the compression system are directly communicated. The triangular circulation heat management system of the automobile air conditioner can solve the problem that peculiar smell is generated when the air conditioner is started in the prior art.

The invention relates to the technical field of hot stamping equipment, and discloses a digital plane and curved surface dual-purpose image-text hot stamping machine system for the surface of a cylindrical product, which comprises a modular structural design, a dual-mode positioning system and a digital control unit, the self-adaptive hot stamping head adopts a flexible stamping module driven by air pressure and hydraulic pressure, and the dual-mode positioning system comprises a plane mode and a curved surface mode. According to the hot stamping machine system, a self-adaptive hot stamping head adopts a pneumatic / hydraulic driven flexible stamping module, a pressure sensor array is arranged in the self-adaptive hot stamping head to adjust local pressure in real time, a dual-mode positioning system is adopted, a vacuum adsorption platform is adopted in a plane mode, a curved-surface mode programmable rotary clamp is adopted, 0-300 rpm stepless speed regulation is supported, a dual-mode hot stamping mechanism is initiated, and the self-adaptive hot stamping head is applied to the hot stamping machine system. The plane / curved surface mode is switched within 10 seconds through the quick-change interface, the hot stamping track is adjusted in real time based on workpiece three-dimensional scanning data, and the waste film recovery rate is increased to 95% or above through the environment-friendly hot stamping film recovery system.

The invention provides a hub visual positioning method applied to a laser sand opening system, and relates to the technical field of automatic sand opening in a hub machining system.The hub visual positioning method comprises the following steps that a visual image of a to-be-positioned hub is obtained, and the target hub type of the to-be-positioned hub is recognized; calling and traversing a hub template database to obtain hub template data corresponding to the target hub type, detecting an actual calibration point of the to-be-positioned hub from the visual image, and obtaining the to-be-positioned hub based on the image coordinates of the actual calibration point, the first template coordinates of the theoretical calibration point, the second template coordinates of the theoretical center point and the structural feature information. Calculating the current attitude deviation of the hub to be positioned; according to the current posture deviation, the rotating platform is controlled to adjust the posture of the to-be-positioned hub; and repeating the steps until the current attitude deviation is smaller than a preset tolerance threshold, and completing positioning. According to the method, extremely high positioning angle precision is achieved, it is ensured that the laser machining track is perfectly matched with the molded surface of the hub, and the sand opening quality is fundamentally guaranteed.

The invention relates to the technical field of cutter machining, in particular to an automatic feeding and positioning cutter machining platform and machining system.The automatic feeding and positioning cutter machining platform comprises a lifting bracket, a longitudinal translation plate is slidably mounted on the lifting bracket, a first moving chamber and a second moving chamber are slidably mounted on the longitudinal translation plate, and a bearing plate is fixed to the top of the second moving chamber; the grinding frame body is fixedly installed on the lifting bracket, a plurality of supporting rollers are rotationally installed on the grinding frame body, and the supporting rollers are sleeved with a grinding belt; the multidirectional displacement mechanism is arranged on the bearing plate, and a movable plate is connected to the multidirectional displacement mechanism; the clamping mechanism is arranged on the movable plate, and a plurality of clamping rollers which are circumferentially distributed at equal intervals are connected to the clamping mechanism; the follow-up regulation and control mechanism is arranged on the clamping mechanism, and a pushing assembly connected with the follow-up regulation and control mechanism is arranged on the movable plate; and the triggering rotating assembly is arranged on the clamping mechanism and connected with the clamping roller, and it can be ensured that the cutter is accurately positioned to the needed position by controlling translation and rotation of the clamping roller.