6661 results about "Laser cutting" patented technology

The invention belongs to the technical field of laser processing, and particularly relates to a special-shaped curved glass laser cutting track planning method. According to the method, the instantaneous thermal effect and the historical thermal accumulation effect are subjected to coupling calculation, high-precision prediction and compensation of thermal deformation in the laser cutting process are achieved, the accuracy of the cutting track is improved, contour deviation caused by thermal deformation is avoided, and the geometric precision is improved; according to the local geometric complexity of the special-shaped curved glass, regions are divided, and differential virtual scanning layers and scanning modes are matched, so that the dynamic balance of efficiency and precision is guaranteed, the processing quality of regions with high curvature, thin walls and the like is guaranteed, the cutting speed of flat regions is increased, and the processing period is shortened; by monitoring the temperature and feeding back actual thermal historical parameters during cutting, model parameters are reversely optimized by using contour precision data after cutting is completed, so that robustness and stability are enhanced, and the yield and process reliability of laser cutting of the special-shaped curved glass are improved.

The invention discloses a self-adaptive focal length control method and system of a laser cutting machine, particularly relates to the technical field of laser processing, and is used for solving the problem of insufficient laser focus control precision caused by separation of a detection point and a processing point and geometric mutation of a curved surface in the prior art. Instantaneous distance information is continuously obtained in the moving process of a cutting head, the curvature change characteristics of the surface of a workpiece are calculated according to the instantaneous distance information, inertial load and dynamic load risks caused by geometrical morphology sudden change are comprehensively evaluated, and a path risk section and a non-path risk section are intelligently recognized. A conservative prediction mode and a conventional prediction mode are adaptively switched according to different risk sections, the normal vector of the surface of a workpiece at a laser machining point is accurately predicted, then the posture adjustment amount of the cutting head is calculated according to the normal vector, and finally real-time and smooth posture adjustment of the cutting head in the movement process is achieved through multi-axis synchronous interpolation control. And the laser beam is always vertical to the surface of the workpiece.

The invention discloses a brittle material laser cutting thermal stress control method and system, and the method comprises the steps: obtaining real-time temperature distribution through infrared thermal imaging, combining finite element analysis and material characteristic dynamic data, constructing a thermal stress and fracture relation model, carrying out the iterative calculation of a thermal stress out-of-control threshold through a lambda algorithm, and determining a regulation boundary condition. According to the boundary condition, laser parameters are optimized, synchronous cooling airflow is introduced, the temperature gradient is dynamically controlled through an airflow pressure adjusting algorithm, historical data are processed through a convolutional neural network, the optimal laser parameter combination is predicted, in the cutting process, the microcrack diffusion state is monitored in real time, and auxiliary technological parameters are finely adjusted when necessary. The problem of fracture caused by out-of-control thermal stress in laser cutting of the brittle material is effectively solved, the cutting quality and efficiency are improved, and a new technical scheme is provided for precision machining of the brittle material.

The present application relates to the technical field of mold structure design. Disclosed are a mold structure design optimization method and apparatus. The method comprises: performing parametric modeling on a three-dimensional model of a laser cutting die to obtain an adjustable parameter set; performing cutting die geometric feature extraction and feature classification to obtain a feature classification result; performing adaptive multi-scale mesh division to obtain a multi-scale finite element analysis model; performing multi-physics coupling analysis to obtain stress distribution data, deformation data and temperature field distribution data; performing variance analysis to obtain target impact parameters, and, on the basis of the target impact parameters, constructing a multi-objective optimization model; by means of a non-dominated sorting genetic algorithm, solving the multi-objective optimization model to obtain a Pareto optimal solution set; and determining, from the Pareto optimal solution set, target optimization structural parameters of the laser cutting die, thereby improving the optimization efficiency while ensuring the calculation accuracy, and achieving the overall performance improvement of the laser cutting die.

The invention relates to the technical field of laser pipe cutting machining, and discloses a laser pipe cutting machine machining optimization method for small pipes. The method comprises the following steps: acquiring three-dimensional point cloud data of a to-be-processed pipe, and extracting a pipe axis direction vector and pipe wall thickness distribution data through geometric topology analysis; a dynamic machining coordinate system is established based on the axis direction vector, and the theoretical projection position of the laser focus in the coordinate system is calculated; material absorption characteristic parameters are matched according to the pipe wall thickness distribution data, and a laser power density gradient adjusting instruction is generated; monitoring the radial run-out amount in the rotating process of the pipe in real time, and generating a laser focus track compensation parameter in combination with a theoretical projection position; and finally, the laser power density gradient adjusting instruction and the focus track compensation parameters are fused to generate a cutting path control signal, and a laser cutting head is driven to complete machining. According to the method, the problems of insufficient precision and unstable quality in the machining process of small pipes are effectively solved, and the machining adaptability is improved.

The invention relates to the technical field of laser cutting, and discloses a high-power laser cutting light path system, a laser cutting head and a using method of the laser cutting head. The system comprises a dynamic cutting path accounting module, a multi-dimensional cutting difference analysis module, an abnormal region association positioning module and a self-adaptive cutting strategy generation module. The dynamic cutting path accounting module builds a model based on laser cutting historical data, and collects laser power fluctuation, light beam quality distribution and cutting speed sequence data of current cutting in real time. The multi-dimensional cutting difference analysis module receives the information and performs three-dimensional difference analysis with an actual measurement path of the optical sensor to generate a workpiece-level difference coefficient matrix; and the abnormal region association positioning module inputs the matrix into a space geometric analysis network, generates an abnormal probability thermal distribution diagram of a cutting defect propagation path, and positions an abnormal cutting region. And the adaptive cutting strategy generation module configures parameters according to the thermodynamic diagram, and applies multi-band impedance disturbance to the adjacent node cutting head with the maximum abnormal probability gradient change.

The invention relates to the technical field of metal cutting, discloses metal plate laser cutting equipment with a laser head collision early warning function, and aims to solve the problem that the collision risk of an existing cutting head and a convex part of a thin plate is high. Through the displacement component, the laser cutter, the positioning assembly and the central control unit, a metal sheet to be machined is placed on the workbench, then the laser cutter is used for cutting the metal sheet to be machined, in the whole operation process, pictures on the workbench can be shot through the industrial camera, and the working efficiency is improved. The real-time image is displayed on the controller through the real-time image display module, an image model is established through the 3D modeling module, a worker can observe more visually, when an irregular thin plate is encountered, setting is conducted through the height compensation module at the moment, the position of a tool bit of the laser cutter is always at the same height with the thin plate, and the machining precision is improved. Once the set equal height changes, the collision alarm module gives an early warning, and the overall safety performance is improved.

The invention provides a multi-angle cutting laser pipe cutting machine, and belongs to the technical field of laser cutting equipment, the multi-angle cutting laser pipe cutting machine comprises a machining module, a feeding module is arranged at one end of the machining module, a discharging module is arranged at the other end of the machining module, and the multi-angle cutting laser pipe cutting machine further comprises a cutting assembly connected with the machining module and used for cutting pipes; the device has the advantages that flexible adjustment of the position of the focus lens is achieved through cooperation of air cylinder driving and telescopic spring buffering, focus requirements of pipes with different thicknesses are met, flexible connection of a cooling channel is achieved through the telescopic pipe, continuous and stable heat dissipation of the focus lens is guaranteed, and the service life of the lens is prolonged; the electromagnetically-driven rotating cylinder drives the turbine blades to rotate to form negative-pressure airflow, an air curtain is formed at the cutting end, metal residues and dust are prevented from being diffused to the focus lens and the lens cone, a physical isolation barrier is formed through the protection sleeve, impurities are prevented from being attached to equipment parts or blocking a pipeline, long-term stable operation of equipment is guaranteed, and diffusion of the equipment to the working environment is reduced.

The invention belongs to the technical field of laser cutting error calibration, and particularly relates to a steel sheet laser cutting error calibration system and method based on laser scanning, and the method comprises the steps: carrying out the non-contact edge scanning of a steel sheet below a screen frame through a high-precision laser scanner, and obtaining the actual contour data of the steel sheet; comparing the actual contour data with theoretical coordinates by using a coordinate mapping algorithm, and calculating the position offset and the rotation angle of the steel sheet; according to the position offset and the rotation angle, a gluing track and a cutting path are corrected in real time; according to the laser cutting device, the gluing width and cutting energy machining parameters are synchronously adjusted, dynamic matching of the machining parameters and physical positions is achieved, the cutting parameters are adjusted by analyzing the data, and finally the laser cutting device is calibrated and adjusted through the calibration and adjustment module according to instructions, so that accurate laser cutting is achieved, and the cutting quality and efficiency are improved.

The invention discloses an eyelash forming system and method based on a laser cutting film, relates to the technical field of eyelash forming processing, and aims to solve the technical problems of insufficient precision and hot melting deformation in a traditional eyelash process. Comprising a design input and modeling module, a process parameter intelligent optimization module, a cutting path intelligent planning module, a production process intelligent control module, a quality online monitoring and feedback module and a data management and analysis module. The process parameter intelligent optimization module is connected with the design input and modeling module and is used for receiving the initial design scheme and optimizing cutting process parameters of laser power, cutting speed, pulse frequency and light spot diameter by using a machine learning algorithm in combination with a laser cutting process knowledge base and thin film material characteristics; and the cutting path intelligent planning module is connected with the design input and modeling module and the process parameter intelligent optimization module. The eyelash processing device has the advantage of improving the eyelash processing qualification rate and the production efficiency.

The invention relates to the technical field of numerical control, in particular to a steel laser cutting numerical control system and method based on the Internet of Things. The method comprises the following steps: collecting three-dimensional temperature distribution data of a lens group in real time, and obtaining actual position coordinates of a laser focus through a displacement sensor; establishing a thermal deformation focus offset mapping table based on the corresponding relationship between the three-dimensional temperature distribution data of the lens group and the actual position coordinates of the laser focus; in the continuous machining process, workshop environment temperature and humidity parameters are monitored in real time, the thermal deformation amount of the lens set is predicted according to the workshop environment temperature and humidity parameters based on the thermal deformation focus offset mapping table, and the laser focus position is compensated and adjusted according to the thermal deformation amount of the lens set. The problems that an existing numerical control system can only calibrate linear deformation and lacks dynamic correction capacity for focus three-dimensional offset caused by nonlinear thermal creep of the lens set are effectively solved, and the influence of environment change on machining precision in the machining process can be coped with in real time.

The invention discloses a frame manufacturing method and a frame, relates to the technical field of frame production, and aims to solve the problem that a welding seam at the splicing position of an existing motorcycle frame is obvious. According to the technical scheme, the method is characterized by comprising the following steps that S1, a metal plate is provided as a raw material, and a frame blank is formed through cutting; s2, the frame blank is placed in a stretching die on a hydraulic machine to be subjected to pressure forming, deformation of the frame blank is controlled through a cavity of the stretching die, and a continuous streamline curved surface is formed on a frame body; and S3, laser cutting is carried out on the frame body based on artificial intelligence. The method comprises the following sub-steps that S3.1, actual three-dimensional point cloud data of the surface of the stretched and formed frame body are obtained through an optical scanning system. According to the method, dense welding seams of traditional multi-section splicing are thoroughly eliminated through the integrated streamline forming technology, intelligent prediction and self-adaptive correction are conducted on material springback and thermal deformation in combination with the AI dynamic compensation cutting technology, and precise adaptation of the frame contour and the motor interface is achieved.

The invention discloses laser cutting equipment for intelligent manufacturing, and particularly relates to the technical field of laser cutting, the laser cutting equipment comprises an equipment main body and a laser cutter, and further comprises a first support and a second support, and the upper ends of the first support and the second support are provided with a plurality of first supporting strips and second supporting strips correspondingly; the multiple first supporting strips and the multiple second supporting strips are arranged in a staggered mode, a first driving mechanism used for driving the first supports and the second supports to move face to face or back to back is arranged in the equipment body, and a mounting base, a second driving mechanism driving the mounting base to move and a shell movably arranged on the mounting base are arranged in the equipment body. A plurality of cleaning units are arranged in the shell, and each cleaning unit comprises a cleaning wheel which can elastically abut against the upper portion of the corresponding supporting strip in a pressing mode. According to the device, slag on the supporting strip is automatically cleaned, the cleaning efficiency is greatly improved, the influence of the slag on subsequent machining is avoided, and the problem that the cutting precision is influenced due to high-temperature deformation of the supporting part is effectively prevented.

The invention relates to the technical field of laser cutting equipment, and discloses a laser cutting machine tool real-time design method based on digital twinning. The method comprises the following steps: acquiring real-time operation data from distributed sensor nodes, wherein the real-time operation data comprises design change historical records and laser cutting track information; in a digital twin fusion design mode, performing compensation check on a design change historical record to obtain a design attribute index, and determining a trajectory interaction period of a design object on a cutting path according to the design attribute index; processing path information is obtained, risk characteristics are analyzed, cutting node risk data are obtained, and the risk situation level is determined in combination with laser cutting track information; and according to the track interaction period and the risk situation level, a dynamic design blind area in the laser cutting design process is optimized and adjusted. According to the method, the real-time data technology and the digital twinning technology are fused, the real-time performance and accuracy of design can be improved, and dynamic changes of a complex processing environment can be coped with.

The invention relates to the technical field of aluminum veneer laser cutting, in particular to aluminum veneer laser cutting forming equipment which comprises a bottom supporting frame, a plurality of longitudinally and evenly arranged bottom supporting plates are evenly arranged in the bottom supporting frame, a U-shaped frame is slidably connected to the top of the bottom supporting frame, and a movable laser head is installed at the bottom of the longitudinal section of the U-shaped frame. Edge pressing mechanisms are symmetrically arranged at the left and right ends of the top of the bottom supporting frame, and a part processing mechanism is arranged on the right side face of the longitudinal section of the U-shaped frame. The knocking component is adopted for knocking the special-shaped small-size part on the right side of the laser cutting position of the movable laser head, so that the cutter receiving position connecting position between the special-shaped small-size part and the aluminum veneer is loosened, and the tamping component conveniently tamps the loosened special-shaped small-size part and thoroughly separates the loose special-shaped small-size part from the aluminum veneer; and therefore, the special-shaped small-size parts separated from the aluminum veneer can fall between the two bottom supporting plates and further fall into the collecting frame, and the time needed for collection is shortened.

The invention relates to the technical field of intelligent welding systems, in particular to a laser cutting method, system and device suitable for steel structure machining, and the method comprises the steps that a grid map used for planning a cutting path of a to-be-cut steel plate is obtained; acquiring the temperature rise amount of each edge generated by laser cutting; marking the cut edges before each edge is cut as each cut edge, and obtaining the residual heat coefficient and the heat accumulation coefficient of each edge; obtaining the angle influence degree of each edge by comparing the cutting duration of each edge with all previous cut edges and combining the included angle between each edge and the previous cut edge adjacent to each edge with the difference between the included angle and a preset angle threshold value; and heuristic information of each edge of the ant colony optimization algorithm during path planning is obtained, and then the optimal laser cutting path is obtained. According to the method, the cutting path of the steel plate can be optimized by reconstructing the heuristic information in the ant colony optimization algorithm, and then the intelligent welding effect of a subsequent steel structure is improved.

The invention discloses a cutting device for a trolley frame and a production system of the cutting device, and relates to the technical field of laser cutting equipment.The cutting device comprises a clamping disc, a cutting head, a core rod and a transferring assembly; one end of the core rod is used for being inserted into a pipe fitting to do reciprocating motion, the core rod is coaxially sleeved with the slag scraping ring, the multiple separation nozzles are distributed around the core rod in the circumferential direction at intervals, a cooling channel is formed in the core rod, one end of the cooling channel communicates with the separation nozzles, and the other end of the cooling channel communicates with the separation nozzles. The slag scraping ring comprises a contact part with a soft outer ring, and can axially swing back and forth relative to the core rod; when the core rod extends into the pipe, the contact part swings in the direction close to the separation spray head and drives the opening of the separation spray head to horizontally face the direction deviating from the clamping disc; and when the core rod retreats from the interior of the pipe, the contact part swings in the direction away from the separation nozzle and drives the opening of the separation nozzle to outwards face the radial direction of the core rod. The aluminum alloy pipe fitting cutting device has the effect of improving the aluminum alloy pipe fitting cutting efficiency.

The invention relates to the technical field of intelligent manufacturing, in particular to a fur processing laser cutting machine and an intelligent control system and a cutting method thereof. The fur processing laser cutting machine comprises a rack, a material transferring mechanism, a negative pressure stabilizing device, a laser cutting mechanism and an intelligent control device, the material transferring mechanism is arranged in the feeding direction of the rack and comprises a fur preprocessing part and a net-shaped conveying belt, the negative pressure stabilizing device is arranged below the net-shaped conveying belt, and the laser cutting mechanism is arranged below the negative pressure stabilizing device. The laser cutting mechanism is erected on the machine frame and located above the net-shaped conveying belt, and the intelligent control device cooperates with the control focus depth and the cutting path of a laser beam based on the fur thickness and deformation data. By optimizing cooperative work of the fur feeding system, the fur pretreatment part, the negative pressure stabilizing device and the intelligent control system of the laser cutting machine, the defects of an existing fur processing laser cutting machine in the aspects of cutting precision and wool stability are overcome.

The invention discloses a laser cutting device for aluminum veneer production, which relates to the technical field of metal cutting and comprises a rack, a first motor is fixedly connected to the rack, a screw rod is rotatably connected to the rack, the screw rod is fixedly connected with an output shaft of the first motor, a sliding frame is slidably connected to the rack, the sliding frame is in threaded connection with the screw rod, and a laser generator is fixedly connected to the sliding frame. A sleeve is fixedly connected to the laser generator, gas outlet pipes symmetrically distributed along the laser generator are fixedly connected into the sleeve, and an air outlet channel and a nitrogen outlet channel are formed in the sides, away from the middle, of the gas outlet pipes and the sides, close to the middle, of the gas outlet pipes respectively. According to the thermal load requirements of different areas in the aluminum veneer laser cutting process, differential configuration of cooling gas is achieved, the use amount of high-cost nitrogen is remarkably reduced, and therefore the overall production cost is reduced, the anti-oxidation advantage of the nitrogen is exerted, the cost benefit of air is fully utilized, efficient utilization of resources is achieved, and the economic benefit is increased. Meanwhile, the cooling effect is ensured.

The invention discloses a steel pipe cutting machine capable of preventing splashing scrap iron from adhering to a pipe opening and a cutting process. The steel pipe cutting machine comprises a laser cutting device, a scrap iron collecting assembly and a displacement pushing assembly. The laser cutting device comprises a cutting machine tool, and a cutting chuck and a laser cutting head which are arranged on the cutting machine tool. The displacement pushing assembly can clamp the tail end of the machined pipe fitting and gradually drive the machined pipe fitting to move towards one side of the laser cutting device. The slag receiving head is arranged in the to-be-machined pipe fitting, and in the laser cutting process, the slag receiving head can rotate relative to the to-be-machined pipe fitting, so that the slag receiving opening in the slag receiving head is always right opposite to the laser cutting head. The slag receiving head receives the scrap iron splashed to the inner pipe wall of the machined pipe, so that the scrap iron can be prevented from being attached to the pipe wall of the machined pipe, and secondary damage to the pipe wall of the machined pipe due to the fact that the scrap iron needs to be shoveled is avoided while the influence on subsequent machining is avoided.

The invention discloses a laser cutting path intelligent optimization method and system based on deep learning, and relates to the field of laser cutting, and the method comprises the steps: employing wavelet transform and a feature pyramid network to carry out cross-scale feature fusion on multi-scale material thermal response data, and obtaining a multi-scale thermal response feature vector; inputting the multi-scale thermal response feature vector into the coupling model to obtain corrected temperature field data; based on the corrected temperature field data, a reinforcement learning framework is used for solving a self-adaptive adjustment cutting index; and based on the cutting indexes, determining an optimal cutting path by using a mixed integer linear programming model. The optimal cutting path is determined in combination with the coupling model and the double-delay depth deterministic strategy gradient algorithm, and the adaptability of laser cutting to batch differences, environment disturbance and working condition changes can be improved.

The invention relates to the technical field of laser cutting, and discloses an automatic rotating type laser cutting device which comprises a base plate, a workpiece containing disc, a movement adjusting mechanism and a workpiece pressing mechanism, a supporting structure for supporting the ground is arranged below the base plate, and supporting plates are fixedly arranged at the front end and the rear end of the upper portion of the base plate; a supporting frame transverse rod is installed above the supporting plate, angle rods are arranged at the two side ends of the supporting frame transverse rod, a longitudinal supporting plate is installed between the angle rods, a supporting frame longitudinal rod is arranged at the outer end of the longitudinal supporting plate, and the movement adjusting mechanism comprises a longitudinal movement adjusting structure, a transverse movement adjusting structure and a laser cutting mechanism. The workpiece containing disc is of a disc-shaped structure and is rotationally arranged in the middle of the upper portion of the base plate. The workpiece pressing mechanisms are symmetrically and fixedly arranged at the two ends of the upper portion of the base plate. According to the laser cutting device, a workpiece can freely rotate by 360 degrees in the horizontal direction, the workpiece can accurately rotate to a specified angle according to the cutting requirement in the laser cutting process, and the cutting flexibility and efficiency are greatly improved.

The invention belongs to the technical field of cutting machine tools, and particularly relates to equipment for laser cutting, in particular to laser cutting equipment and a cutting process. The laser cutting equipment comprises a working platform and a laser cutting device, a driving mechanism; a bearing tray; and a laser cutting mechanism. The first negative pressure adsorption pipeline is arranged at the bottom of the box body, during laser cutting, smoke dust caused by cutting is directly sucked from the bottom of a material plate, the amount of the smoke dust upwelling to a laser light path is reduced, the total amount of the smoke dust attached to a lens is reduced, and the lens is prevented from being overheated; only the air inlet hole and the air outlet hole corresponding to the to-be-cut area are exposed, so that the negative pressure adsorption force acts on the real-time machining area in a concentrated mode, the negative pressure suction force is concentrated to the cutting area, the smoke dust adsorption effect is improved, the amount of smoke dust upwelling to a laser light path is further reduced, and the lens is prevented from being overheated.

The utility model relates to folding door equipment suitable for a laser cutting machine, which comprises an equipment outer frame, intervention ports are distributed in the equipment outer frame, guide devices are installed on the inner side of the equipment outer frame and located at the upper ends and the lower ends of the intervention ports in a mirror image mode, and folding door devices are connected to the guide devices. One end of the folding door device is connected with an inner frame on one side of the intervention opening through a hinge device, the folding door device comprises a first door body connected with the inner frame, the first door body is connected with a second door body through the hinge device, the second door body is connected with a guide device, and a sensing device is arranged on the inner side of the second door body. An in-place feedback device is installed at the corresponding position of the inner side of the equipment outer frame. Therefore, the second body and the first door body are opened in a folding mode, the space of the access opening is not occupied as much as possible, and large workpieces can be conveniently machined, taken and placed. The guiding device participates in opening and closing, so that a user can operate with one hand conveniently, and less force is applied.

The invention provides an external smoke exhaust system of a laser cutting machine and a working method, relates to the field of laser cutting machines, and aims to solve the problems that smoke leakage of an existing laser cutting machine affects operation of a laser element. Air flow output by the air feeder can cover a smoke dust area where the laser head works, scattered smoke dust is blown to the inlet end of the smoke collecting hood in an oriented mode, disordered diffusion of the smoke dust is avoided, the smoke dust and high-temperature chippings are guided to the smoke collecting hood in the horizontal direction in an oriented mode through the horizontal air flow output by the air feeder instead of being guided upwards, and the smoke discharging path is in the horizontal direction. Smoke dust and high-temperature chippings are prevented from floating upwards to the laser element area of the cutting head, the possibility of contact between the high-temperature chippings and the laser element is cut off from the smoke exhaust path, and normal operation of the laser element is protected.

The invention discloses a laser cutting machine feeding and discharging device, and relates to the technical field of laser cutting feeding and discharging, the laser cutting machine feeding and discharging device comprises a cutting cover and a laser cutter arranged in the cutting cover, one side of the cutting cover is provided with a cutting material placing table, and a feeding assembly is erected above the cutting material placing table; the feeding assembly comprises a support rail erected on the cutting cover, an adsorption part moving on the support rail and blowing parts arranged at the two ends of the adsorption part. The adsorption part comprises a fixing frame, two adjusting frames and a driving assembly for driving the fixing frame and the adjusting frames to move up and down, the blowing parts are used for blowing air to the interlayer of the plate so as to damage the interlayer adsorption force and ensure that the single plate is separated, the blowing parts are integrated at the two ends of the adsorption part, and air outlets of the blowing parts are accurately aligned with gaps formed by lifting on the two sides. Bidirectional synchronous blowing is achieved, the airflow coverage range is widened, vacuum adsorption is thoroughly damaged, and the problem that a plate falls off from the adsorption disc is effectively solved.

The invention relates to the technical field of laser cutting equipment, and discloses galvanized coiled plate cutting equipment which comprises a mounting frame, a guide rail structure, a cutting structure, a conveying structure, an intercepting toothed plate, a slag removal fan and a discharging structure. The cutting structure comprises a cutting seat, a laser cutting head, a separated protective cover, the intercepting toothed plate, the slag removal fan and the discharging structure; the separated protective cover is formed by splicing a plurality of splicing covers. Each splicing cover comprises an outer cover plate, an inner air box, a limiting plate, a limiting spring and an air supply hose. When the device is used, high-pressure air is blown out of the inner air box to form a protective air curtain on the splicing cover, the annular air cover and the laser cutting head, and therefore the situation that slag splashes and is intercepted, and zinc steam adheres to the splicing cover, the annular air cover and the laser cutting head can be prevented; and air is forced to be discharged along the cutting seam by the closed space formed by the separation type protective cover, so that the blowing force of the airflow to the lower edge of the notch is enhanced, and the adhering slag can be forcibly stripped.

The invention provides a disc laser cutting, chamfering and splitting method, and relates to the technical field of glass product processing, and the method comprises the following steps: carrying out annular shape cutting on a to-be-processed glass raw material by using Bessel laser, and determining a mark point at the center of the to-be-processed glass raw material; according to the marking points, a camera is used for marking and positioning, and coordinate values of chamfering are obtained; performing laser chamfering on the current glass raw material according to the chamfering coordinate value to obtain a chamfered workpiece; the chamfered workpiece is sequentially moved below an outer ring heating block and an inner ring heating block, outer ring waste materials and inner ring waste materials sequentially and automatically fall off through the thermal expansion and cold contraction effect, and the finished annular glass piece is obtained. The problems of high glass processing cost, poor precision and environmental pollution in the prior art are solved.

The invention belongs to the technical field of control detection, and particularly relates to a laser cutting machine cutting control method and system.The laser cutting machine cutting control method comprises the following steps that S1, frequency sweeping excitation is applied to a plurality of preset grid node positions of a laser cutting machine workbench, and vibration response data of a cutting head is collected; a dominant pole and a zero point of a vibration transfer function of each grid node are identified and extracted, spatial distribution is fitted by using a non-uniform rational B-spline surface, and a spatial model of continuous mapping between a cutting head position and a vibration transfer function parameter is established; s2, decomposing a to-be-processed path into a plurality of path infinitesimal segments, and calculating a preliminary feed-forward compensation instruction of each path infinitesimal segment based on a space model and a zero-phase error tracking control algorithm; according to the invention, the contour error caused by structural vibration and non-linear factors is reduced, the processing precision and the cutting surface quality of the laser cutting machine in a full working range are improved, and the forming effect of a complex contour at a high speed is improved.

The invention provides a packaging processing method and system for a storage chip and a medium, and belongs to the technical field of semiconductor packaging. The method comprises the following steps: constructing an initial three-dimensional model of a packaging body, cleaning and detecting a bare chip, and correcting the model after laser cutting; electrical, thermal and stress performances are simulated and optimized, multiple chips are integrated by adopting an SiP technology, and three-dimensional wiring of a substrate is completed; and after three times of cleaning, a molding process is optimized through mold flow simulation, a system-level mainboard is connected by utilizing a BGA technology, and finally, a full-performance test is completed. Through multi-stage simulation and process collaborative optimization, the packaging density, reliability and manufacturing yield of the storage chip are improved, and the method is suitable for industrial production of high-density integrated storage devices.