169523results about "Metal working apparatus" patented technology

A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one inside the other about the drill bit. One of the sleeves, preferably the inner sleeve, provides coarse adjustment of the position of the shoulder relative to the tip of the bit, while the other, preferably the outer sleeve, provides fine adjustment of the position of the shoulder relative to the top of the bit.

The invention relates to the technical field of numerical control machine tool machining precision improvement, in particular to a tool compensation system and method for machine tool machining, and the system comprises a cutting load monitoring module, a machine tool thermal deformation detection module, a tool compensation path calculation module, a track error correction module and a tool error compensation execution module. According to the method, through cutting load monitoring and real-time analysis of main shaft current sensor data, the relation between tool stress change and main shaft rotating speed deviation is accurately recognized, dynamic response to the tool abrasion state is achieved, and in combination with machine tool temperature data, the thermal deformation amount is calculated through a system, and a compensation path is dynamically adjusted; a compensation strategy is optimized to cope with the real-time influence of thermal deformation on a machining track, the tool compensation path correction and the track error trend are analyzed, fine adjustment of the machining path is achieved through an innovative scheme, sudden errors are effectively reduced by integrating tool abrasion, machine tool thermal deformation and cooperative adjustment of path errors, and the machining precision is improved. And the adaptability and the consistency of the machining process are enhanced.

Disclosed is a clamping device having an automatic direction adjustment function in a vehicle body welding conveying line, including a conveying frame. A driving motor is fixedly connected to a side wall of the conveying frame, and an output shaft end of the driving motor is fixedly connected to a rotating shaft I. The present disclosure facilitates the adjustment of a direction when vehicle bodies to be welded are conveyed on a turning conveying line, and vehicle bodies being conveyed can be corrected to the same horizontal state, to avoid a situation where the clamping device on the conveying line cannot smoothly clamp inclined vehicle bodies for conveying because the vehicle bodies cannot be in the same horizontal plane when being put in.

The invention relates to the technical field of curved surface machining control, and discloses an intelligent curved surface machining method and system based on a CNC cutting machine tool, and the method comprises the steps: carrying out the laser scanning of a to-be-machined workpiece, obtaining the three-dimensional geometric data of the workpiece, activating a target clamping device, and generating an initial clamping scheme; the target clamping device is controlled to execute multi-area pressure gradient clamping operation, and target position data and clamping pressure distribution data are obtained; performing multi-field coupling dynamic analysis to generate a processing optimization parameter set; executing segmented continuous Hamiltonian path planning and self-adaptive lattice point reconstruction according to the machining optimization parameter set, and generating a tool path data set; according to the method, it is ensured that all the surfaces of the polygon prism workpiece are evenly stressed, the problem of machining deviation caused by edge stress concentration in a traditional method is solved, and the overall machining quality of the workpiece is improved.

The invention relates to the technical field of program control systems, in particular to a pentahedron machining center precision calibration method and system based on multi-sensor fusion, and the method comprises the steps: a sensor system construction and calibration module is used for field calibration, drift correction and redundancy deployment to ensure data precision, and achieves the whole-course traceability of a calibration process through a block chain technology; the multi-source data preprocessing and fusion module is used for time-space synchronization of heterogeneous data and dynamic fusion of multi-source information; the intelligent modeling and state prediction module is used for performing real-time and multi-task prediction on key states such as tool wear and thermal deformation; based on the prediction result, the adaptive compensation and path optimization module is used for dynamically optimizing the tool path; meanwhile, through an online learning mechanism, the calibration model is continuously updated by utilizing a processing result; the distributed cooperative control module executes data processing and calibration algorithms locally and makes a cooperative decision with a numerical control system, and low-delay and intelligent response to machining abnormity is achieved.

The invention relates to the technical field of intelligent control, in particular to a digital control method and system applied to on-line operation of multiple punching machines, and aims to acquire historical data of a production line, acquire operation state data of the punching machines in real time, realize product appearance defect detection through a YOLOv7 model in combination with product appearance images and quality inspection parameters, and improve product quality. Generating an offset quality inspection parameter in combination with a quality inspection standard; and generating a process abnormality positioning result by using the offset quality inspection parameters and the appearance defect detection result. And fusing the abnormal process positioning result with the operation state data of the punching machine to form multi-mode comprehensive operation characteristic data which is used for identifying the abnormal process. And after an abnormal process is detected, analyzing an abnormal propagation path through a dynamic working condition adaptive graph neural network model, extracting current working condition features, performing similarity matching with historical data, and extracting optimal historical reference parameters. And generating a production process adjustment parameter by dynamically correcting the historical reference parameter. And the adaptive capacity and the flexible response capacity of the production line to complex working conditions are improved.

A fully-automatic unpacking machine (100), comprising a conveying device (1), transferring and holding-clamping devices (3), a ton bag grabbing device (4) and a bag breaking device (5). The conveying device (1) is docked with an external apparatus, and is used for conveying ton bag materials to a rear end device. When a ton bag is moved to a first station, the two transferring and holding-clamping devices (3) get close to each other so as to clamp the ton bag at the first station and place same at a second station; the ton bag grabbing device (4) grabs the ton bag located at the second station to move same to be above a feeding port (512), and the ton bag grabbing device (4) drives the ton bag to move downwards, such that a bag breaking cutter (52) punctures the bottom of the ton bag to form an opening; and a material in the ton bag flows into a discharging bin (511) through the opening and is sent out through a discharging outlet (513). Thus, one bag breaking and discharging cycle is completed.

The invention relates to the technical field of data processing, in particular to a workpiece machining data processing method and system. The method comprises the following steps: acquiring data points in a historical operation data set of workpiece processing and a clustering center of each clustering cluster; obtaining an abnormal index of the cluster according to the ratio of the number of the data points in the cluster to the number of the data points in the maximum cluster, and obtaining the suspicious degree of the cluster according to the Euclidean distance between each data point in the cluster and the clustering center; taking the range value of the collection moment corresponding to the data points in the clustering cluster as the credibility of the suspicious degree to obtain the feature weight of the clustering cluster; the specific value of the local density of the data point to the feature weight of the clustering cluster where the data point is located is marked as the weighted local density of the data point, the outlier factor of the data point is obtained through calculation, workpiece machining data processing is achieved through the comparison result of the outlier factor and the preset threshold value, and the accuracy of workpiece machining anomaly monitoring is effectively improved.

To provide a metal paste capable of efficiently providing a joined body having reliability high in electrical and mechanical strength even when narrowed in pitch, and to provide a method for manufacturing the joined body.SOLUTION: A metal paste comprises metal particles and a solvent, and has a shear viscosity of 1 to 100 Pa_s, measured at a shear rate of 10 s-1 at 25°C, wherein a value (TI value) obtained by log-transforming a ratio of a shear viscosity measured at a shear rate of 0.1 s-1 and a shear viscosity measured at a shear rate of 1 s-1 is 0.7 to 1.0.SELECTED DRAWING: Figure 4

The invention provides an aluminum alloy auxiliary frame welding accurate positioning and quality control method and system. The method comprises the steps that S4, welding gun track control parameters are updated through a dynamic adjustment instruction, laser tracking data are fused to optimize the welding path angle in real time, and the accurate movement track of each section of welding seam is determined; s5, acquiring real-time thermal expansion data during welding execution, monitoring temperature field distribution of a welding seam area by adopting an optical measurement technology, and judging whether thermal deformation adjustment exceeds a preset threshold value or not; s7, micron-sized welding spot positioning operation is executed according to the stable positioning state, the dynamic path optimization result is fused to generate a final welding instruction, and consistent welding seam quality data is output; and S8, after weld joint quality data are obtained, weld joint deviation and geometric consistency are detected through a laser tracking technology, whether welding quality meets design requirements or not is judged, and a quality verification report is generated. According to the method, the precision and consistency of intelligent welding of the aluminum alloy auxiliary frame are remarkably improved.

The invention relates to the technical field of data processing, and discloses a method and system for monitoring the running state of reflow soldering equipment. The method comprises the steps of collecting data through a multi-point sensor, extracting temperature gradient, tension fluctuation and gas concentration characteristics, constructing a state recognition model, calculating a health index and setting an early warning threshold value, constructing a fault precursor extraction model to predict a future state, and finally establishing a maintenance strategy optimization system and generating an equipment maintenance plan based on fault early warning information. Through multi-dimensional data fusion and intelligent analysis, early accurate identification of the abnormal state of the equipment, accurate prediction of the fault development trend and active maintenance decision based on quality influence and cost optimization are realized, so that the welding quality stability is improved, the non-planned downtime is shortened, and the maintenance cost is reduced.

A rechargeable battery for a hair clipper includes a body having a plurality of indentations with each of the plurality of indentations being shaped to receive a fastener member of a different hair clipper. A rechargeable battery assembly for a hair clipper also includes a rechargeable battery having a body. The body having groove and a first projection in the groove with a cavity of the hair clipper that has a resilient member that extends into the cavity, and the resilient member being insertable into the groove.

The invention relates to a curved surface processing path generation method and system for an ultra-precise diamond lathe, and the method mainly comprises the steps: obtaining the three-dimensional point cloud data of a to-be-processed curved surface through a three-dimensional scanning device, carrying out the global curvature calculation, and dividing the curved surface into a plurality of sub-regions to generate an initial processing path; and then, the initial path is optimized, interference and errors are reduced, and finally a target machining path subjected to comprehensive verification is obtained. The path is guided into a lathe to execute machining, and high-precision curved surface machining is achieved. By means of the method, the machining precision and the surface quality are improved, and it is ensured that higher smoothness and shape precision are achieved in ultra-precision machining.

The present invention belongs to the technical field of machining and punching, and in particular relates to a surface pressurized punching device for anode plate machining. The surface pressurized punching device comprises a workbench of a table structure, a machine unit mounted on one side of the workbench, and a rack welded to the table top of the workbench, wherein an operation platform is fastened to the table top of the workbench and inside the rack by means of bolts, and clamping plates which are oppositely arranged are slidably mounted on two sides of the surface of the operation platform; and a hydraulic cylinder is mounted at the center of the surface of the rack, and an output shaft of the hydraulic cylinder running into the rack is fixedly connected to a drill rod by means of a coupler. By means of providing a reaming assembly, an electric motor B is controlled by an external power supply to operate while the hydraulic cylinder drives the drill rod to move, such that the electric motor B drives, by means of a gear A and a chain, a gear B to rotate synchronously while the electric motor B moves with the drill rod by means of an outer frame, thereby driving the drill rod to rotate. Thus, the surface of the drill rod can rotationally grind and finish holes in an anode plate while the drill rod performs drilling, thereby reducing burrs.

The invention relates to a shaft linkage curved surface component machining path real-time control method, system and device, and the method comprises the steps: obtaining geometric data and machining process parameters of a shaft linkage curved surface component, and carrying out the shaft linkage decomposition to obtain a multi-shaft linkage machining path; real-time operation parameters of machining equipment and tool workpiece contact data are obtained, deviation matching is conducted on the multi-axis linkage machining path, and a real-time axis control instruction set and an axis position compensation trend curve are obtained; performing path optimization on the shaft position compensation trend curve according to the real-time shaft control instruction group to obtain an initial shaft linkage adjustment scheme; performing curved surface precision evaluation on the tool workpiece contact data, and performing curved surface prediction in combination with the axis position compensation trend curve to obtain a curved surface quality prediction area; and performing coordinated optimization on the initial axis linkage adjustment scheme according to the curved surface quality prediction area to obtain an axis linkage optimization processing strategy. It can be guaranteed that efficient operation can be achieved in different machining states, and path deviation in the machining process is reduced.

The invention discloses an assembling method and an assembling tool for a bottom cold shield side plate of a fusion reactor, the bottom cold shield side plate is constructed into a ring shape defined by a plurality of side plates, and the assembling method for the bottom cold shield side plate of the fusion reactor comprises the following steps: the plurality of side plates are assembled into a sector; the plurality of sectors are assembled into a ring at the Dewar base of the host hall. According to the assembly method of the bottom cold shield side plate of the fusion reactor, the plurality of side plates are assembled into the sector section, and then the plurality of sector sections are assembled into the ring at the Dewar base of the host hall, so that the bottom cold shield side plate can well meet the assembly requirement in a narrow space when being assembled; and the installation difficulty and the assembly cost of the bottom cold shield side plate are well reduced.

The invention discloses a control method and system of a vertical multi-axis numerical control mortise broaching machine and a storage medium, and relates to the technical field of broaching machines. The control method comprises the following steps that S1, a three-dimensional model of a workpiece is imported, and a mortise machining area is recognized based on geometric features of the model; s2, according to the material attribute, the tool type and the machining precision requirement, the feeding speed, the cutting depth and the main shaft rotating speed parameter of a machining path are set; s3, generating a multi-axis linkage tool path plan, and decomposing a tool path into a control instruction of multi-axis cooperative motion through a numerical control system; s4, the deviation between the actual position and the theoretical position of each shaft is monitored in real time in the machining process, and the output torque and the rotating speed of the servo motor are dynamically adjusted; s5, collecting cutting force data in real time; s6, the distance between the cutter and the surface of the workpiece is measured in real time through a laser displacement sensor, and a displacement feedback signal is generated; and if the cutting force data and the displacement feedback signal exceed preset threshold values, a dynamic compensation mechanism is triggered. The broaching machine control method has the effect of improving broaching machine control accuracy.

The invention relates to the technical field of digital twinning control, and discloses a composite structure prefabricated segment digital twinning-adaptive assembly correction method and system, and the method comprises the steps: reading BIM geometric model data, and constructing an assembly reference coordinate system and a digital twinning geometry of a prefabricated segment; composite data are collected in real time, and end tooth groove boundary feature point cloud is extracted; matching the actually measured point cloud with the digital twinborn geometry through a dynamic point cloud registration technology, calculating a six-degree-of-freedom pose error vector, and generating a predicted total pose error vector in combination with a pre-constructed pose drift prediction model; based on the error vector, a mechanical fine adjustment jack is driven to execute position and posture adjustment until the position and posture are converged, and then tooth groove precise meshing and mechanical locking are completed; according to the method, through the synergistic effect of the dynamic mapping of the digital twinborn model and the self-adaptive correction algorithm, high-precision dynamic correction of the multi-combination structure segment assembly process is achieved on the premise that an original mechanical connection structure is not changed.

The invention discloses an intelligent machining control method and control system for a CNC lathe, and relates to the technical field of lathe machining control, and further realizes real-time correction of a speed regulation control plan by collecting a spindle load feedback value in real time for a regulation target track section and comparing the spindle load feedback value with a spindle load dynamic prediction model, so that the machining accuracy of the lathe is improved. The problems of system response lag and load prediction deviation are effectively solved, meanwhile, after a machining task is finished, an inertia index, a main shaft load curve, speed regulation feedback data and final machining quality parameters are archived and used for updating main shaft historical operation data, a main shaft load dynamic prediction model and a track direction change rate response model can be continuously optimized, and the machining efficiency is improved. The learning ability evolved along with data accumulation is enhanced, the speed regulation control precision and machining stability of the numerical control lathe in complex path machining are fundamentally improved, and the core problems of speed regulation control delay, frequent path impact, track error accumulation and the like in the prior art are solved.

The invention relates to the technical field of motion control, in particular to a CNC machine tool motion control system which comprises a cutting force feedback monitoring module, a multi-axis load coordination module, a spindle vibration suppression module and a dynamic path optimization module. According to the method, the cutting force fluctuation of each axle can be accurately mastered by monitoring the axle cutting force in real time and analyzing the load change, the load and the feeding speed of the axle are adjusted according to real-time feedback, machining errors caused by uneven loads are reduced, and the vibration amplitude and frequency can be calculated and the rotating speed of the main shaft can be adjusted by monitoring the vibration data of the main shaft in real time. The resonance phenomenon is effectively restrained, the machining stability is improved, meanwhile, dynamic path optimization is conducted, the dynamic response problem caused by improper path setting is avoided by evaluating the dynamic response of a machine tool and adjusting the machining path, the cutting direction and the feeding speed in real time, the machining precision and stability are remarkably improved, and the machining efficiency is improved. And the complex machining environment adaptability of the machine tool is improved.

A blister product punching and pickup production line, comprising a rack, a first-stage feeding channel (1), a second-stage discharging channel (2), a punching area (3), and a third-stage discharging channel (4). The first-stage feeding channel is provided with a guide sheet-pulling device (11); and the guide sheet-pulling device enables sheets to move along a length direction of the first-stage feeding channel. The second-stage discharging channel is arranged at the tail end of the first-stage feeding channel, a collecting device is provided at the tail end of the second-stage discharging channel, and the collecting device collects punched sheets. The production line has functions of punching, separating, picking up and collecting blister sheets and blister products, and has advantages of small space occupation, high efficiency, precise punching, good positioning effect of the blister sheets, and high safety performance.

An adjustable bladeset for a hair clipper with a clipper housing includes a stationary blade having a stationary toothed end with a plurality of stationary teeth, an opposite stationary base end and an upper surface, and a moving blade having a moving toothed end with a plurality of moving teeth, the moving blade configured for reciprocal transverse movement relative to the stationary blade on the upper surface. The stationary blade is linearly displaceable relative to the moving blade by action of an adjustment lever on the clipper housing. A blade guide is on the upper surface at the stationary base end, and has at least one toothed strip. The adjustment lever is connected to a blade actuator shaft having at least one toothed cog configured to engage the toothed strip so that rotation of the actuator shaft causes the linear displacement of the stationary blade relative to the moving blade.

An edge guide is provided. A structure includes curved surface over which a print media can travel. The print media includes a first edge and a second edge that is opposite the first edge. A first media guide is contactable with the first edge of the print media. A second media guide is contactable with the second edge of the print media. The second media guide is spaced apart from the first media guide. A relative spacing between the second media guide and the first media guide is adjustable such that a distance between the first media guide and the second media guide is variable. The second media guide includes a mechanism that applies a nesting force to the second edge of the print media to cause the first edge of the print media to move toward and contact the first media guide.

A component includes a body having a coupon opening defined therein, and an additively manufactured (AM) metal coupon including a dense region, a porous region adjacent the dense region, and a coupon outer surface. The porous region has a first cross-sectional area at a first location at or near the coupon outer surface and a second cross-sectional area less than the first cross-sectional area at a second location distal from the coupon outer surface. A braze material couples the metal coupon in the coupon opening and infiltrates into the porous region, e.g., based at least on a characteristic of the porosity thereof. The dense region may have a third cross-sectional area at the first location and a fourth cross-sectional area greater than the third cross-sectional area at the second location so it can direct the braze material in the porous region toward an inner surface of the coupon opening.

The invention relates to the technical field of image analysis, in particular to an ETFE film cutting control method and system based on image recognition, and the method comprises the following steps: enhancing an edge through multi-scale Gaussian filtering, extracting a gray level change rate pixel by a Sobel operator, generating a path segment, outputting a coordinate, calculating a gradient direction, constructing a direction continuous sequence, and recording an angle deviation; a dynamic window judges abnormal fluctuation to trigger calibration, a fluctuation segment vector is replaced to update a motion track, and a B spline is fitted to generate a track output cutting instruction. According to the method, multi-scale Gaussian filtering is combined with Sobel operator enhanced edge extraction continuous pixels, the fracture problem caused by a fixed threshold value is solved, vector space projection constructs a direction sequence to quantify angle deviation, dynamic window range judges fluctuation to trigger calibration, and a vector replacement strategy corrects an abnormal section control point direction. A smooth track is generated through B spline interpolation, mechanical vibration is reduced, and the flexible material cutting precision and the equipment cooperation efficiency are improved.

A laser processing apparatus irradiates a target with a laser light to form a modified region along a virtual plane in the target. The laser processing apparatus includes a support portion, an irradiation portion, a movement mechanism, and a controller. The controller performs a first processing process of irradiating a first portion in the target with the laser light under a first processing condition, and a second processing process of irradiating a second portion more on an inner side than the first portion in the target with the laser light under a second processing condition different from the first processing condition, after the first processing process.

A wafer processing method includes forming a bonded wafer by bonding a first wafer to a second wafer, irradiating a laser beam along a position separate inward from an outer circumferential edge by a predetermined distance in an annular manner and forming, inside the first wafer, an annular modified layer and cracks that extend from the modified layer toward a front surface side to cause warpage in the outer circumferential region. The method also includes detecting the amount of warpage of the outer circumferential region, determining whether or not bonding between the first wafer and the second wafer has been released on the basis of the amount of warpage of the outer circumferential region, deciding whether or not to execute a grinding step, and if so, grinding the first wafer from a back surface side.

The invention relates to steel box girder high-strength bolt operation, in particular to a high-strength bolt automatic tightening machine based on machine vision positioning and a tightening method. The automatic tightening machine for the high-strength bolts is used for automatically tightening the bolts of the steel box girder and comprises a multi-shaft moving support, a tightening assembly and a control unit. The multi-axis moving support achieves plane movement of a steel box girder top plate through a servo-driven moving part, a multi-axis support provides three-dimensional space freedom, and the tightening assembly is driven to accurately adjust the posture. The tightening assembly adopts a double-station design, a first tightening head and a second tightening head which are symmetrically arranged on the two sides synchronously move through a door frame type lifting shaft, the image obtaining set is combined to collect position and posture data of a nut and a screw in real time, and a three-dimensional motion path is generated to guide centering. The control unit coordinates multi-axis motion and torque output based on machine vision feedback, full-process automation of the bolt from recognition, positioning to tightening is achieved, the problems that manual operation is low in efficiency and large in error are solved, and screwing precision and structural reliability are ensured.

The invention discloses silver-nickel conductive paste for a BC battery and a preparation method of the silver-nickel conductive paste, and belongs to the technical field of photovoltaic batteries. The silver paste comprises the following raw materials in percentage by weight: 39-69% of micron silver powder, 20-50% of modified nickel, 2-6% of glass powder, 0.1-10% of a dispersing agent, 0-1% of silicone oil and the balance of an organic carrier, the modified nickel is simple substance nickel powder subjected to modification treatment, and the modification treatment mode is surface organic modification and ball milling modification or surface inorganic modification and ball milling modification. The nickel powder is adopted to replace part of silver powder, the prepared conductive silver nickel paste is used for a BC battery, the cost is remarkably reduced, the reliability is high, and the conversion efficiency is superior to or equivalent to that of traditional all-silver electrode paste.

An assembly apparatus, comprising a first loading device (10), a second loading device (20) and a manipulator (30). The first loading device (10) comprises a first positioning platform (11), a first carrier (12) and a first carrying mechanism (13), wherein the first positioning platform (11) is used for positioning a first workpiece; the first carrier (12) has a first positioning identifier (123); and the first carrying mechanism (13) can carry the first carrier (12) to the first positioning platform (11) so as to suction the first workpiece. The second feeding device (20) comprises a second positioning platform (21), a second carrier (22), a conveying mechanism (23) and a second carrying mechanism (24), wherein the second positioning platform (21) is used for positioning a second workpiece; the second carrier (22) has a second positioning identifier (223); the second carrying mechanism (24) can carry the second workpiece to the second carrier (22), and can adjust the position of the second workpiece relative to the second positioning identifier (223) according to a positional relationship between the first workpiece and the first positioning identifier (123); and the conveying mechanism (23) can convey the second carrier (22) to an assembly station (A). The manipulator (30) is used for carrying to the assembly station (A) the first carrier (12) onto which the first workpiece is suctioned, so that the first carrier (12) is fitted with the second carrier (22), and thus the second workpiece is aligned and assembled with the first workpiece. The assembly apparatus can improve the alignment precision of workpieces and thus achieve precise assembly.