663 results about "Laser beam welding" patented technology

The invention relates to a tin ring automatic focusing laser soldering tin fixing and 3D welding spot detecting system, and belongs to the technical field of industrial automatic laser processing. The system is characterized in that a tin ring preparation module identifies pins in real time and dynamically optimizes winding parameters through visual positioning and a self-adaptive winding head, and performs defect identification and pre-repair analysis through multispectral imaging; the soldering tin positioning module is used for switching stations through a rotary table, and precise positioning and clamping of a product are realized by combining laser contour sensing and a focusing compensation algorithm; the laser tin soldering module can visually identify tin materials and automatically call welding parameters, laser power and action time are regulated and controlled in real time by establishing a regional heat conduction model, and gradient cooling is implemented after welding; and the 3D detection module adopts dual-mode scanning, constructs a welding spot three-dimensional model based on fusion data, recognizes microcracks through super-resolution processing, and discriminates the welding spot quality. And automation and intellectualization of the whole process from tin ring preparation to welding spot quality detection are achieved.

The invention relates to the technical field of cookware welding, and discloses a cookware processing welding device which comprises a supporting transverse plate, a welding mechanism and a partition plate clamping mechanism, and frame-shaped supporting legs are arranged at the two ends of the supporting transverse plate; the welding mechanism comprises a bottom support arranged on the side, close to the ground, of the supporting transverse plate, the middle of the bottom support is slidably connected with a transverse moving seat, the transverse moving seat is provided with a U-shaped sliding seat synchronously moving along with the transverse moving seat, the U-shaped sliding seat is slidably connected with a telescopic rod, and the end of the telescopic rod is fixedly connected with a fixing block. A stand column is arranged on the side, away from the ground, of the fixing block, the end of the stand column is rotationally connected with a laser welding head, a pitching adjusting assembly for adjusting the pitching angle of the laser welding head is arranged on the side face of the transverse moving seat, and a tracing guide block is arranged in the middle of the supporting transverse plate. Through the synergistic effect of the deflector rod and the guide groove, the laser welding head is driven to accurately move along a preset track, and automatic welding treatment of a space curve welding seam between the arc-shaped partition plate and the inner wall of the pot body is achieved.

The invention belongs to the technical field of thin plate laser welding, and particularly relates to a curved-surface thin plate laser welding device which comprises a welding base. A first supporting frame is arranged on the welding base. The upper fixing base and the lower fixing base are matched with a plurality of short rods to adaptively clamp different types of curved-surface thin plates, and are matched with two laser welding heads to perform double-sided welding, so that the effect of performing counterpoint double-sided laser welding on the different types of curved-surface thin plates is achieved, traditional laser equipment which is difficult to perform double-sided counterpoint welding on the curved-surface thin plates is replaced, and the production efficiency is improved. The multiple short rods on the upper fixing base and the lower fixing base can conduct adaptive clamping according to the curved surface shapes of the thin plates, the welding precision and stability are improved, welding deviation caused by the irregular curved surface shapes of the thin plates is avoided, the two oppositely-arranged laser welding heads can flexibly move to the upper and lower opposite seams of the two curved surface thin plates, and the welding quality is improved. And laser double-face simultaneous welding is achieved, the welding efficiency is improved, a welded joint is firmer, and the overall welding quality is improved.

The invention relates to the technical field of ship manufacturing welding, in particular to a large-wall-thickness Al-Mg alloy laser-MIG composite and friction stir welding coupled welding device and method for ships, and the device comprises a sequential system 1, a friction stir welding module 2 and a laser-MIG composite welding module 3; the laser-MIG composite welding module 3 comprises a laser sensing return device 3A, a welding gun swing control device 3B and a laser-MIG composite welding gun 3C; the laser-MIG composite welding gun 3C comprises an MIG welding gun and a laser welding gun, the MIG welding gun and the laser welding gun are coaxially arranged, an optical fiber laser is arranged in the laser-MIG composite welding gun 3C, the optical fiber laser has the functions of laser visual sensing, preheating and post-heating, and the device solves the contradiction between the penetration depth and the defect when a traditional welding method is adopted for the thick plate aluminum alloy for the ship. Axial force needed during friction stir welding can be reduced through laser preheating, the pressure of a main shaft of equipment is remarkably reduced, and the service life of a stirring head is prolonged.

The present disclosure relates to methods for joining a first component to a second component with a laser welded lap joint. The laser seam of individual welds is substantially G-shaped. The weld seam comprises a substantially circular portion and a substantially straight portion at an end of the substantially circular portion, the substantially circular portion having a radius and corresponding to a circular arc around a circle centre with a central angle of 270º - 350º, and the substantially straight portion extending radially to the circle centre. The methods may be practiced on blanks prior to forming or on already formed components. The present disclosure further relates to weld assemblies obtained with such methods.

The invention relates to the technical field of photoelectric hybrid integrated packaging, in particular to an optical module airtight packaging structure which comprises an optical fiber, an optical chip, an electric chip, a circuit board, an elastic connector, a tube shell and a cover plate. Wherein the optical fiber penetrates through the side wall of the tube shell and is welded with the side wall of the tube shell, the optical chip and the electric chip are integrated on the circuit board, the elastic connector is welded with the tube shell, an elastic contact is arranged at the top of the elastic connector and is in contact with a bonding pad at the bottom of the circuit board, the cover plate is welded with the tube shell to form an airtight cavity, and the elastic connector comprises a metal shell, a glass medium and an inner conductor. The top end of the inner conductor is connected with the bottom of the elastic contact, the glass medium is welded to the bottom of the metal shell, and the inner conductor is welded in a cavity of the glass medium and penetrates through the cavity to be welded to the bottom of the metal shell. The cover plate is welded on the tube shell through parallel seal welding or laser welding, and the optical fiber and the elastic connector with airtight performance are welded on the tube shell through welding flux; and forming an airtight packaging structure.

The utility model provides a welding wire anti-twisting device, belongs to the technical field of laser welding, and is used for solving the problem of unsmooth wire feeding caused by easy twisting of a wire feeding pipe in the prior art. The utility model provides a welding wire anti-twisting device which comprises a first wire nozzle, a second wire nozzle and a quick release structure, wire holes are formed in the first wire nozzle and the second wire nozzle, the tail end of the first wire nozzle is in running fit with the head end of the second wire nozzle, and the tail end of the second wire nozzle is in running fit with the head end of the quick release structure. The quick release structure is arranged on the outer layer of the matching position of the first thread nozzle and the second thread nozzle and limits the axial unexpected relative sliding of the first thread nozzle and the second thread nozzle. By adopting the design of the wire feeding nozzle capable of movably rotating, the flexibility and the stability of the wire feeding system are obviously enhanced, the torsion of the wire feeding pipe is effectively avoided, the friction and the resistance of the welding wire in the pipe are reduced, and the welding wire is ensured to be conveyed smoothly.

The invention relates to metal part welding equipment which comprises an operation table, a fixing clamp is movably installed at the top end of the operation table, a sliding rod is slidably installed in the operation table, a telescopic rod is movably installed at the upper end of the sliding rod, a laser welding head is installed at the end of the telescopic rod in a rolling mode, and a cleaning box is fixedly installed on the outer wall of the lower end of the laser welding head. The cleaning box comprises a replacement block movably mounted on the side wall of the cleaning box; the power roller is mounted in the replacement block in a rolling manner; a power roller is fixedly mounted at the end part of the power roller; the cleaning roller is installed in the replacement block in a rolling mode, and a plurality of cleaning bristles are fixedly installed on the outer wall of the cleaning roller; a sliding rod moves to drive a power roller in a cleaning box to rotate, the power roller rotates to drive cleaning bristles to rotate to clean unwelded parts, the unwelded parts of a workpiece are kept clean, a detection sliding plate can detect welding slag of the unwelded parts, and therefore a grinding roller is driven to clean the adhered welding slag; and the welding quality is improved.

The invention discloses a permanent magnet synchronous motor iron core welding device, and relates to the technical field of iron core welding, the permanent magnet synchronous motor iron core welding device comprises a rack, a welding platform is arranged in the rack, a welding manipulator is arranged right above the welding platform, and a laser welding gun main body is mounted at the end part of the welding manipulator; an auxiliary mechanism capable of synchronously moving along with the laser welding gun body from bottom to top is installed on the outer surface of the laser welding gun body, and the auxiliary mechanism can enable silicon steel sheet layers in a local area to have instant micro gaps before welding operation so as to promote molten liquid to permeate into a deep layer. And after welding is completed, axial downward pressure is applied to the area so as to compact the welding seam and increase the compactness between the silicon steel sheet layers, local pressure release of the welding area is achieved through a double-layer pressing plate and an annular pressing rod, continuous operation of gap pre-expansion, melt permeation and welding seam compaction is constructed in cooperation with a Y-shaped push rod and a pressing wheel, melt permeation and the compactness between the layers are taken into consideration, and the welding quality is improved. The iron core welding quality is improved.

The invention belongs to the technical field of corrugated plate welding, and particularly relates to an automatic laser welding device and method for a corrugated plate of an LNG transport ship. The device comprises a corrugated plate clamp, a walking track, a welding trolley and a laser welding machine. The corrugated plate clamp achieves clamping of corrugated sections of the corrugated plate through a four-connecting-rod mechanism composed of a pressing rod, a connecting rod, a telescopic rod and a locking fastener. The walking track is fixed to a base of the corrugated plate clamp, and a rack is arranged on the walking track. A gear meshed with the rack is arranged at the bottom of the welding trolley and carries the laser gun head to move along the track. The laser welding machine modulates a single light spot into a plurality of light spots which are linearly distributed in an array mode, a light spot array is perpendicular to a welding seam, the energy of the light spot in the middle is higher than the energy distribution of the light spots on the two sides, and the method for welding the corrugated plate through the device is provided. When the device is used for welding the corrugated plate of the LNG transport ship, the welding speed is high, the forming quality is good, deformation is small, and consistency is high.

The invention relates to the technical field of laser welding, and particularly discloses a laser welding system and a laser welding spot position determining method.The laser welding system comprises a welding execution module, a motion execution module, a data acquisition module and an industrial personal computer; the welding execution module is used for carrying out laser welding operation on a welding seam position according to a welding instruction issued by the industrial personal computer; the motion execution module is used for driving the mechanical arm to complete mechanical actions according to the welding seam position issued by the industrial personal computer; the data acquisition module is used for acquiring contour information of a weld joint position of a to-be-welded workpiece and transmitting the contour information to the industrial personal computer; point cloud information of a to-be-welded workpiece is obtained through a laser sensor and a CCD camera, three-dimensional model reconstruction and point cloud segmentation are carried out in combination with an advanced Delaunay triangulation technology and an RANSAC algorithm, so that feature points of a welding seam are accurately extracted, then noise reduction processing is carried out on the extracted feature points by adopting a mean value replacement algorithm, and the feature points of the welding seam are accurately extracted. And the final welding spot position is more accurate.

The invention discloses a lithium battery tab laser welding spot detection method and system, and the method comprises the steps: building a collection system of a multispectral camera, an infrared thermal imaging camera and a photoacoustic imaging module, synchronously collecting the surface optics, internal heat distribution and microstructure characteristics of a welding spot, and reconstructing the internal defect three-dimensional distribution of a preset depth; constructing a feature association matrix, verifying association between features and defects in combination with three-dimensional distribution, and outputting fusion features containing three-dimensional distribution parameters through an attention weighted fusion network; dynamically adjusting visual parameters based on the working condition parameters; detecting defects in combination with fusion features and a causal database, and outputting a process adjustment instruction in advance by a pre-judgment module; and through 3D U-Net, micro defects are segmented and graded. The method covers the full-dimension defects, improves the false defect elimination rate, reduces the defect rate, gives consideration to the detection precision and the production efficiency, and meets the high-reliability detection requirements of the lithium battery tabs.

The invention discloses a laser welding robot system and a working method thereof, and belongs to the technical field of laser welding.The laser welding robot system comprises a mechanical arm and a laser welding gun arranged at the end of the mechanical arm, and the laser welding gun is installed at the end of the mechanical arm through an adjustable swing mechanism; supporting plates which are symmetrically arranged are arranged between the mechanical arm and the laser welding gun, an adjustable swing mechanism for adjusting the laser welding gun in real time is arranged between the supporting plates, and the adjustable swing mechanism comprises a swing assembly and a driving assembly of the swing assembly. According to the laser welding robot, the driving assembly, the swinging assembly and the wire feeding assembly are designed, so that the laser welding robot can adjust the left-right swinging amplitude of the welding gun according to the size of a to-be-welded gap during working, the attractiveness of a welding seam is improved, in addition, in the welding process, the wire feeding angle changes along with the welding direction, and the welding quality is improved. Therefore, the working performance of the laser welding robot is improved.

The invention relates to the technical field of laser welding, and discloses a lithium battery processing laser welding machine which comprises a base, a working table is fixedly connected to the top of the base, a top frame is fixedly connected to the top of the working table, a laser welding machine body is installed on the inner wall of the top frame, and a feeding mechanism is arranged on the front face of the working table. A clamping mechanism is arranged at the top of the working table top, a discharging mechanism is arranged on the right side of the working table top, the feeding mechanism comprises a feeding hopper, a pin roller, a mounting plate, a push plate, a hydraulic telescopic rod and a guardrail, the number of batteries can be accurately controlled, misjudgment and mistakes caused by manual operation can be effectively avoided, and the working efficiency is improved. After a set number of batteries enter the surface of the mounting plate, the hydraulic telescopic rod rises to push the mounting plate to rise, the mounting plate pushes the arranged batteries to the working table, manual arrangement and carrying are not needed, the labor intensity of workers can be effectively reduced, and the operation efficiency of the device is improved.

The invention relates to the technical field of lens module AA assembly design, in particular to a lens AA assembly test device based on laser soldering and a use method thereof.The lens AA assembly test device based on laser soldering is characterized in that a square tube frame is fixed to a bottom plate through four stand columns, and three-axis soldering head assemblies are arranged at the four corners of the inner side of the square tube frame; the testing assembly comprises a six-dimensional force sensor, a square seat used for installing a lens is fixed to the top of the six-dimensional force sensor, a plurality of pins are arranged on the top of the square seat, a circuit board is connected to the pins in an inserted mode, and the circuit board is fixed to the testing table through a clamping mechanism and keeps electrically connected with the electric connector female head in the welding process. Through a cooperative measurement mechanism integrating the six-dimensional force sensor and the three-axis micrometer, the three-dimensional stress and deformation quantity of the circuit board in the laser soldering process can be accurately obtained in real time, and the problem that traditional AA soldering equipment design depends on experience debugging is solved; and reliable data support is provided for clamping force and positioning compensation design of mass production equipment.

The invention discloses a high-precision laser welding spot recognition method based on an attention guidance context fusion network. The method mainly solves the problems that according to an existing laser welding spot recognition technology, small target features are prone to being lost, multi-scale detection is unbalanced, and background noise interference exists. The implementation scheme is as follows: 1) acquiring a data set and an identification tag; 2) constructing a laser welding spot identification model; 3) constructing a loss function; 4) training a laser welding spot identification model; and 5) obtaining a laser welding spot identification result. According to the laser welding spot recognition model constructed by the invention, the problem of multi-scale defect coexistence is solved by adopting differential cavity convolution to capture local details and a semi-global structure through the multi-scale context fusion module, the overlapping space reduction and local convolution enhancement technology is adopted through the local enhancement space attention module, and the laser welding spot recognition accuracy is improved. The problem of insufficient retention of key edge information in deep features is solved, the attention guide dynamic sampling module replaces traditional pooling operation to reduce down-sampling information loss, the problem of low retention rate of small target features is solved, a channel and a space attention mechanism are fused in shallow features through the double-attention feature modulator module, and the target feature retention rate is improved. The problem that the small target detection rate is low under background noise interference is solved.

The invention discloses intelligent laser beam welding equipment for a steel arch of a high-speed tunnel. The intelligent laser beam welding equipment comprises a conveying table, a lifting frame is arranged above the conveying table, a first transverse moving guide rail is installed on the lifting frame, a lifting cylinder is installed on the first transverse moving guide rail, a lifting plate is connected to the lower end of the lifting cylinder, and a plurality of clamping assemblies are arranged on the lifting plate; the detection device is arranged below the hanging bracket and used for detecting the inclined state of the arc-shaped steel end face; and the adjusting device is arranged on the adjacent side of the detecting device, an adjusting frame is installed on the adjusting device, and a feeding device used for feeding the connecting plate, a positioning device used for positioning the center of the end face of the arc-shaped steel and a welding device are arranged on the adjusting frame.

The invention relates to a method for monitoring a welding process, preferably a laser beam welding process, wherein the welding process is observed with at least one high-speed camera (1). According to the invention, the following steps are carried out: a) Transmitting images supplied by at least one high-speed camera (1) to a graphics processor , b) Capturing essential features on the images as event points by means of computer-aided feature extraction , c) Calculating associated motion vectors by determining an optical flow of the detected event points in order to track a movement of the event points within an image sequence, and d) Performing an analysis of the event points, the associated motion vectors and / or the optical flow, on the basis of which the welding process is qualitatively assessed. The invention further relates to a camera system for carrying out steps of a method according to the invention.

The utility model provides a battery structure and electric equipment, the battery structure comprises a battery cell, a top plate structure and a direct connection welding plate, the battery cell is provided with a plurality of layers of tabs, the plurality of layers of tabs are welded and connected, and ultrasonic pre-welding marks are formed; the top plate structure is provided with poles; the direct-connection welding plate is arranged on the top plate structure, and the direct-connection welding plate is connected with the pole in a welding manner; wherein the multiple layers of tabs with the ultrasonic pre-welding marks are connected with the direct connection welding plate in a welded mode, laser welding marks are formed, and the width w1 of the ultrasonic pre-welding marks and the width w2 of the laser welding marks meet the condition that w1 is larger than w2. According to the utility model, the problem that the fast charging capability of the battery structure in the prior art cannot be effectively guaranteed is solved.

The invention discloses a multi-mode-based laser welding seam defect detection system, which comprises a sensor module used for acquiring multi-mode data in a welding process and preprocessing the multi-mode data; the feature extraction module is used for inputting an improved MoSE model and executing preliminary feature extraction and mapping; the feature fusion module is used for inputting the gated attention neural network and executing weight calculation and interactive attention alignment operation; the defect feature modeling module is used for inputting the improved capsule network, calculating correlation based on a routing attention mechanism and distributing weights; the classification and positioning module is used for executing activation value calculation, classification judgment and significance distribution mapping; and the result output module is used for combining the classification result and the positioning result of the weld defects to generate a real-time detection result and feeding back the real-time detection result to the welding control end. By improving the MoSE model and the capsule network, intelligent classification and positioning of weld defects are achieved, and the method has the advantages of being sufficient in feature fusion and high in detection precision.

The invention relates to the technical field of automatic welding equipment, and particularly discloses thin-walled tube end automatic laser sealing ring welding equipment which comprises a laser welding gun assembly, an end plug positioning assembly, a pushing assembly, a clamping rotating assembly, an in-place sensor and a welding cavity. The laser welding gun assembly is used for welding the end of the thin-walled tube in the welding cavity by introducing a laser beam, a clamping rotating assembly and an end plug positioning assembly are arranged at the input end and the output end of the welding cavity correspondingly, the end plug positioning assembly is used for positioning an end plug, and the clamping rotating assembly is used for clamping and rotating the thin-walled tube; the in-place sensor is arranged between the clamping and rotating assembly and the welding cavity and used for detecting in-place signals of the thin-walled pipe, the pushing assembly is connected to the side, away from the welding cavity, of the end plug positioning assembly, automatic welding under the protective atmosphere can be achieved, and the welding precision and efficiency are improved.

The invention discloses an intelligent control method and system for laser welding equipment. The method comprises the steps that real-time image data of a welding area are collected, and environment variable data are obtained; according to the real-time image data, image smoothing processing, noise suppression, filtering processing and denoising calculation are carried out, and clear contour data of the welding area are determined; according to the clear contour data, interference residual features are extracted, and integrated analysis is carried out in combination with the environment variable data to obtain the influence degree of interference on path planning; and according to the influence degree of the interference on path planning, dynamic parameter updating, interference compensation calculation, path deviation correction and welding track optimization are conducted, optimized track data are obtained, and a final welding operation sequence is determined according to the optimized track data. Accurate positioning of the laser welding equipment and dynamic optimization of the welding track can be achieved, and environmental interference is effectively compensated.

The invention belongs to the technical field of fire extinguisher bottle welding, and discloses fire extinguisher bottle automatic machining equipment which comprises a rolling mechanism used for rolling coupling grooves in the two ends of a fire extinguisher bottle, and a welding station used for receiving the fire extinguisher bottle subjected to groove rolling from the rolling mechanism and welding a bottle opening and a base to the head end and the tail end of the rolling mechanism. A positioning mechanism is arranged on the welding station and used for abutting against the two sides of the whole body of the fire extinguisher bottle and stably clamping and centering the fire extinguisher bottle, the discharging assembly is located at the top of the welding station and used for supplying a bottle opening and a base to the fire extinguisher bottle body, and the laser welding gun is arranged on one side of the welding station and used for welding the base and the bottle body and welding the bottle opening and the bottle body. The coupling judgment mechanism on the positioning mechanism is used for judging the connection posture according to the initial connection track of the base, the bottle opening and the bottle body, and pre-welding judgment can be conducted through the mechanisms, so that the unqualified posture is corrected or the whole bottle body is sent out, and the scrapping loss is avoided.

The invention discloses a high-strength steel battery tray frame manufacturing method and system. The high-strength steel battery tray frame manufacturing method comprises the steps that raw materials are uncoiled through a full-servo rolling line; the flatness of the plate is calibrated through the leveling device; a riveting hole is machined in the designated position of the plate; a 48-section 80-shaft rolling production line is used, and progressive rolling is carried out through multiple sections of roller sets; a single / double laser welding bead process is adopted for welding, and the welding speed, the welding deformation and the welding bead width are adjusted; the welded frame is subjected to stress release and shape correction through a servo shaping device, and the section tolerance and the surface profile tolerance are controlled; performing fixed-length cutting and end fine cutting on the frame by adopting a five-axis laser processing technology; and carrying out product detection. Through multi-pass rolling incremental forming, one-time deformation is reduced, and stress deformation is effectively controlled; the laser welding bead process can uniformly distribute welding heat input and reduce local thermal stress concentration, so that stress deformation of assembly tailor-welding is reduced.

The invention relates to the technical field of detection devices, in particular to a shaft surface surfacing weld height real-time detection device. Comprising a base frame, a multi-shaft driving platform is installed on the base frame, a welding frame and an inspection frame are connected to the multi-shaft driving platform, the cooling spray pipe is fixed to the multi-shaft driving platform, a laser welding gun, an industrial camera and an infrared thermometer are fixedly installed on the welding frame, a pressing frame is connected to the inspection frame in a sliding mode, and a reciprocating pressure applying module is fixedly installed on the inspection frame. The reciprocating pressure applying module drives the pressing frame to vertically vibrate in a variable amplitude mode, a sliding frame is connected to the pressing frame in a sliding mode, and a friction transmission module for driving the sliding frame to horizontally vibrate in a variable amplitude mode is arranged between the pressing frame and the sliding frame. The integrated multi-shaft driving platform has the beneficial effects that the welding frame, the detection frame, the cooling spray pipe and other modules are integrated into the same movement system through the integrated multi-shaft driving platform, and the double-outlet-rod hydraulic cylinder and the linear transmission module are matched, so that welding, spray cooling, weld joint cleaning and height detection can be sequentially completed on the premise that a workpiece is not moved.

The invention discloses a double-ultrasonic self-adaptive auxiliary laser welding device and a welding method. The double-ultrasonic self-adaptive auxiliary laser welding device comprises a mounting bracket and a laser welding gun mounted in the middle of the mounting bracket, a front-end ultrasonic vibration head and a rear-end ultrasonic vibration head which move synchronously with the laser welding gun are mounted on the mounting bracket and are respectively arranged at the front end and the rear end of the laser welding gun in the welding direction; an adjusting assembly used for adjusting the positions of the front-end ultrasonic vibration head and the rear-end ultrasonic vibration head is installed on the installation support. The adjusting assembly comprises a height adjuster and an angle adjuster connected to the end of the height adjuster. Compared with the prior art, the height and angle of the front-end ultrasonic vibration head and the rear-end ultrasonic vibration head can be adjusted through the adjusting assembly, self-adaptive adjustment of vibration pressure can be achieved according to different welded materials, the stirring effect on a molten pool is improved, and meanwhile the ultrasonic vibration heads can be prevented from scratching the surface of a weld joint.

The utility model relates to the technical field of new energy lithium batteries, and discloses a new energy lithium battery cover plate laser welding clamp which comprises a supporting frame, a first cover plate tool and a second cover plate tool, a connecting frame is fixedly installed at the bottom end of the first cover plate tool and the bottom end of the second cover plate tool, and a moving groove is formed in the top end of the supporting frame. According to the clamp for laser welding of the new energy lithium battery cover plate, two sets of cover plate tools can be arranged to replace to support and fix the cover plate, the fixing and welding efficiency of the cover plate is greatly improved, through a fan, the cover plate can be fixed and fixed through the fan, and the cover plate can be fixed and fixed. The cooling efficiency after welding of the cover plate can be greatly improved, a worker can conveniently take out and replace the cover plate, and the problems that in the prior art, after welding of the cover plate on a cover plate tool is completed, the cover plate needs to be taken out and replaced with a batch of cover plates to be welded after being naturally cooled, the downtime of equipment is long, and the production cost is low are solved. Therefore, the welding efficiency is influenced.

The present invention discloses a weld seam positioning method, device, equipment, and computer-readable storage medium, relating to the technical field of welding robots. The method comprises: obtaining a welding teaching path and a reference positioning result, wherein the reference positioning result is a positioning result in a base guide rail coordinate system obtained by positioning a workpiece in a reference position by a welding robot according to a preset positioning detection path; positioning the workpiece in a welding position according to the preset positioning detection path to obtain a welding positioning result in a base guide rail coordinate system; calculating an offset of the welding positioning result relative to the reference positioning result; and offsetting the original posture of each teaching point in the welding teaching path according to the offset to obtain a target welding path required for welding the workpiece in the welding position. The present invention realizes laser weld seam positioning under the collaborative welding of the welding robot and the base guide rail, thereby improving the flexibility and adaptability of the welding robot.

The invention provides a laser image segmentation method and device, electronic equipment and a readable storage medium. The method comprises the steps of obtaining a to-be-segmented image of a welding area; the to-be-segmented image comprises a laser welding seam area and a noise area; inputting the to-be-segmented image into a pre-trained segmentation model, so that a first sub-network of the segmentation model performs primary processing on the to-be-segmented image to obtain an initial segmentation mask image and an uncertainty mask image; and after the second sub-network of the segmentation model corrects the initial segmentation mask image based on the uncertainty mask image, outputting a target segmentation image. Thus, the to-be-segmented image is processed through the first network model in the segmentation model, the initial segmentation mask image and the uncertainty mask image are output, then the initial segmentation mask image is corrected according to the second network model in the segmentation model in combination with the uncertainty mask image, and the target segmentation image is output. The accuracy of laser image segmentation can be improved.

A method for consolidating a foil tab stack is provided. The method includes combining foil tabs of an electrode stack in a battery cell to form a combined foil tab stack. Additionally, the method includes hot-pressing the combined foil tab stack using heated pressing dies to form a consolidated foil tab stack. Further, the method includes laser welding the consolidated foil tab stack to a terminal lead using a laser welder.