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959 results about "Weld zone" patented technology

Weld Zone. Zone comprising the weld line and the heat-affected areas on either side of the weld line caused by the friction welding and subsequent heat-treatment processes.

Welding defect detection and automatic repair welding system

The invention discloses a welding defect detection and automatic repair welding system, which comprises a repair welding execution module, a welding point cloud extraction module, a welding defect extraction module and a defect identification and classification module, and is characterized in that the welding point cloud extraction module is in signal connection with the repair welding execution module; complete point cloud data of a welding area are visually collected through the repair welding execution module, a target area is accurately extracted through the welding point cloud extraction module, and then efficient extraction and contour positioning of welding defects are completed through the welding defect extraction module based on point cloud feature analysis. Accurate identification and multi-type classification of defects are achieved through a defect identification and classification module, finally, six-dimensional coordinates of repair welding track points under a camera coordinate system are obtained through a repair welding instruction calculation module, and then a hand-eye calibration matrix, a tool calibration matrix and a transformation matrix between a wrist joint coordinate system and a base coordinate system are combined, so that the repair welding precision is improved. And through multi-coordinate system collaborative conversion, the six-dimensional pose of the repair welding track point of the mechanical arm welding gun is solved, and equipment is driven to complete repair welding operation.
Owner:QING DAO KONG TIAN DONG LI JIE GOU AN QUAN YAN JIU SUO

Selective continuous wave soldering equipment based on electronic component

The invention relates to the technical field of continuous wave soldering, in particular to selective continuous wave soldering equipment based on electronic components, which comprises a base, a conveying unit, a soldering unit, a guide component and an auxiliary component. According to the welding device, firstly, the upper die base and the lower die base are closed and locked, a welding area is accurately opposite to the nozzle by means of the guide assembly, the welding quality and welding efficiency of follow-up welding are ensured, and batch rapid production is facilitated; the upper die base and the lower die base serve as first-stage covering protection, and the guide assembly limits the height of the nozzle; the tin solution is cooled before welding to form second-stage temperature protection, then third-stage protection is formed by means of nitrogen filling in in the welding process, fourth-stage protection is formed through preheating and cooling protection in the auxiliary assembly, in conclusion, through the four-stage temperature protection, the problem that components are damaged due to high temperature is solved, and the welding quality is improved.
Owner:GUANGZHOU SHENGTAILAI ELECTRONICS CO LTD

Photovoltaic solder strip, solar cell string, welding method of solar cell string and photovoltaic module

The invention provides a photovoltaic solder strip, a solar cell string, a welding method of the solar cell string and a photovoltaic module, the photovoltaic solder strip comprises a solder strip base body, the solder strip base body is provided with a welding area, the outer surface of the solder strip base body is coated with a passivation layer, and the passivation layer is arranged on the outer surface of the solder strip base body. A conductive tin layer is arranged on at least part of the surface of one side, far away from the photovoltaic welding strip, of the passivation layer corresponding to the welding area, the conductive tin layer comprises fluoride or phosphide, the conductive tin layer corrodes the passivation layer after being heated to form a connecting through hole, and the conductive tin layer permeates into the connecting through hole to be in butt joint with the welding strip base body. The invention has the advantages of low cost, strong conductivity, good light collection effect and long service life.
Owner:ZHUHAI FUSHAN AIKO SOLAR ENERGY TECH CO LTD +3

Self-supervision diagnosis method for welding quality abnormity

The invention relates to a self-supervision diagnosis method for welding quality abnormity, and aims to solve the problems of unstable welding seam state characterization, high abnormity diagnosis false alarm rate, insufficient adaptability and the like caused by multi-view image acquisition time sequence difference, complex illumination interference and characteristic drift in the welding process. According to the core scheme, the method comprises the steps of synchronously collecting multi-view-angle continuous images of a welding area through multiple cameras at a high frame rate, conducting time sequence synchronization, area focusing, denoising and brightness normalization processing on the original images, extracting normalized frame-level features through a pre-trained convolutional neural network, improving feature space semantic stability through a semantic anchor point generation and dynamic alignment mechanism, and improving the accuracy of image fusion. And abnormal detection and multi-stage dynamic loss adjustment are introduced, so that welding quality abnormal judgment and model self-adaptive optimization are realized. According to the method, the consistency and robustness of welding visual representation can be effectively enhanced, and the accuracy of welding quality anomaly detection and the system generalization ability are improved.
Owner:JUXIN ELECTRONICS TECH MEIZHOU CO LTD

Robot collaborative welding control method and system for water purifier barrel and end cover

The invention discloses a robot collaborative welding control method and system for a water purifier barrel and an end cover, and relates to the technical field of welding, and the robot collaborative welding control method comprises the steps that N welding robots are obtained, welding areas are distributed, and to-be-welded operation areas of the N robots are obtained; a historical welding control database of the water purifier is constructed, traversal optimization is conducted in the historical welding control database of the water purifier according to the attribute parameter set of the to-be-welded operation areas of the N robots, and N initial robot welding control parameters are generated; identifying posture position information of a target water purifier cylinder and an end cover, carrying out collaborative optimization on the N initial robot welding control parameters, and determining robot welding collaborative control parameters; and cooperative welding operation and feedback compensation control are conducted on the target water purifier barrel and the end cover based on the robot welding cooperative control parameters. The technical problem that multi-robot efficient collaborative operation is difficult to achieve in welding operation in the prior art is solved, and the technical effect of multi-robot efficient collaborative welding is achieved.
Owner:JIAXING HENGXU PRECISION EQUIP CO LTD

Welding robot system, chip welding method, chip welding device and computer storage medium

The invention belongs to the technical field of welding, and discloses a welding robot system, a chip welding method, a chip welding device and a computer storage medium, the welding robot system comprises a calibration module used for bearing a calibration plate, and the calibration plate calibrates a bonding pad to obtain a three-dimensional coordinate of the bonding pad; the mechanical arm is arranged adjacent to the calibration module; the detection module is arranged adjacent to the mechanical arm and the calibration module and is used for collecting sensor data so as to determine a height sequence of welding spots, a temperature field distribution diagram of a welding area and defect characteristics of the to-be-welded chip in combination with the three-dimensional coordinates; and the main control unit is electrically connected with the detection module and / or is in signal connection with the detection module, and is used for carrying out feature fusion and determining welding laser power and a welding speed adjusting instruction according to the obtained multi-sensor fusion features to obtain a preset welding track so as to control the mechanical arm to execute the preset welding track. According to the method, submicron heterogeneous material calibration, thermal interface cooperative control, cross-material process rapid adaptation and multi-modal interface reliability evaluation can be realized.
Owner:UESTC (SHENZHEN) ADVANCED RES INST +3

Ultrasound-annular water cooling synergetic thermosetting composite material repairing method and ultrasonic-annular water cooling synergetic thermosetting composite material repairing equipment

The invention discloses an ultrasonic-annular water cooling synergetic thermosetting composite material repairing method and equipment, on the basis of coaxial annular water cooling, an annular cooling cavity with a variable contour and a structural design of a closed ring with a plane contour which can be circular, elliptical, waist-circular or polygonal are introduced, so that the inner side contour of a cooling ring can be more attached to a welding area. For a large-size or irregularly-shaped thermosetting matrix component repaired by adopting ultrasonic local fusion welding, the cooling zone can be tightly attached to the outline of a welding interface in the circumferential direction through the design, heat is effectively prevented from overflowing along a complex boundary, compared with a fixed circular or linear cooling structure, the range of a heat affected zone can be further narrowed, and the service life of the component is prolonged. And a high-temperature area in the thermosetting matrix is more limited near a welding interface, so that the overall temperature of the thermosetting matrix is always lower than the glass-transition temperature while sufficient melting and flowing of the thermoplastic patch are ensured, and resin degradation and interface strength attenuation caused by local overheating are avoided.
Owner:JIANGSU HANGPU GUOCHUANG COMPOSITE MATERIALS RES INST CO LTD +1

Welding method for titanium alloy thick plate

PendingCN121535335ALaser beam welding apparatusPicosecond pulsed laserLaser processing
The invention discloses a welding method for titanium alloy thick plates, and relates to the technical field of laser welding, and the method comprises the following steps: placing a plurality of titanium alloy thick plates to be welded on a workbench, carrying out backing welding on backing welding areas of the titanium alloy thick plates to be welded, and carrying out continuous laser processing through picosecond pulse laser, reciprocating motion is conducted in the molten pool and the forging area; after the backing welding process is finished, a first laser wire filling welding area and a second laser wire filling welding area between different titanium alloy thick plates to be welded are welded in a laser wire filling welding mode, in the welding process, picosecond pulse laser follows continuous laser machining, and the welding process is completed. And reciprocating motion is conducted in the molten pool and the forging area according to a preset motion trail, so that different titanium alloy thick plates to be welded are welded. The technical effect that uneven distribution of the structure performance of the welding joint is avoided is achieved.
Owner:INST OF LASER MFG HENAN ACAD OF SCI

Intelligent control method and system for laser welding equipment

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.
Owner:FUTONG PRECISE MECHANICS SUZHOU CO LTD

Welding method, welding apparatus, welding device, and battery cell

A welding method includes placing a housing covered with an end cap into a jig, where a clearance structure is created on the jig and available for exposing a target weld zone between the end cap and the housing, and the target weld zone includes a first target weld zone section and a second target weld zone section located on two opposite sides of the end cap respectively; and moving the jig to a first welding station of a welding device; welding, by a first welding head of the welding device, the first target weld zone section through the clearance structure; and welding, by a second welding head of the welding device, the second target weld zone section through the clearance structure. The first welding station is located between the first welding head and the second welding head.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

Composite current collector with local enhanced welding area and preparation method of composite current collector

The invention relates to the technical field of lithium battery materials, in particular to a composite current collector with a local enhanced welding area and a preparation method thereof.The composite current collector with the local enhanced welding area comprises a composite current collector body, and a through hole is formed in a preset welding area of the composite current collector body; a metal foil is attached to a preset welding area of the composite current collector body and is used for being welded with a tab, and the metal foil covers the through hole. According to the technical scheme provided by the invention, the through holes are formed in the tab preset welding area of the composite current collector to form a microscopic exhaust channel, so that an escape path is provided for gas generated in the welding process, and the compactness and firmness of a welding interface are ensured; by increasing the effective conductive thickness of the predetermined welding area, the sheet resistance and contact resistance of the area are significantly reduced.
Owner:ANHUI FEITUO NEW MATERIALS TECHNOLOGY CO LTD

Low-temperature laser synchronous welding method for main-grid-free structure of TOPCon battery

The invention belongs to the technical field of laser material processing, and relates to a low-temperature laser synchronous welding method for a main-grid-free structure of a TOPCon battery, which comprises the following steps of: dividing and shaping incident laser into a plurality of paths of independent laser sub-beams matched with a fine grid line pattern through a spatial light modulator, and constructing a synchronous laser dot matrix energy field; the method comprises the following steps of: obtaining temperature distribution of a welding area in real time through a high-resolution infrared thermal imager, constructing a full-field temperature data set, performing temperature extraction and deviation analysis on the data set, generating power compensation amount of each sub-area, and judging whether to trigger power fine adjustment or not based on a preset temperature uniformity control judgment rule. And a fine adjustment object and a final compensation amount are determined during triggering, heat preservation and curing treatment are carried out on a fine-adjusted welding area, finally, a main-grid-free welding structure which is in uniform low-temperature connection with all the fine grid lines is formed, and uniform, reliable and low-damage synchronous connection between all the fine grid lines and the welding strip is achieved.
Owner:TANGSHAN HAITAI NEW ENERGY TECH CO LTD

Longitudinal seam welding equipment

The invention discloses longitudinal seam welding equipment, and relates to the technical field of pipeline welding. The equipment comprises a base, a datum plate, a welding device, a rotating device, a jacking device and an adjusting device, the rotating device is used for bearing a to-be-welded workpiece. A liftable positioning column is arranged on a lifting plate of the jacking device, a cavity is formed in the lifting plate and filled with a cooling medium, a mounting groove and a welding groove are formed in the side wall of the lifting plate, and a light curtain area sensor is arranged in the mounting groove. And the adjusting device can drive the positioning column to translate and rotate. During working, the positioning column extends into a workpiece, automatic optical centering of a welding seam is achieved through cooperation of the sensor and the rotating device, and then the positioning column abuts against the workpiece and conducts welding. The internal cooling medium can effectively control the temperature of a welding area, the problem of welding quality fluctuation caused by heat accumulation of the positioning column is solved, and meanwhile high-precision and high-efficiency automatic centering and welding of heavy workpieces are achieved.
Owner:FABIA VALVE IND (SUZHOU) CO LTD

Cooling fin chemical nickel plating automatic welding production device

The invention discloses a cooling fin chemical nickel plating automatic welding production device, and relates to the technical field of cooling fin welding. Comprising cooling fins, a feeding gripper, a discharging gripper, a rotating table and a welding machine, a plurality of positioning units are arranged on the rotating table in the circumferential direction, each positioning unit comprises a base and a lifting plate, a mounting groove is formed in the upper surface of each base, and a cooling air opening is formed in the inner side wall of each mounting groove; a positioning pin and a plurality of clamping blocks are fixedly arranged on the upper surface of the lifting plate, pressure sensors are embedded in the outer surfaces of the positioning pin and the clamping blocks, and an electromagnetic assembly is arranged in the positioning pin and used for controlling the diameter change of the positioning pin; the clamping block is connected with an adjusting assembly used for adjusting the position of the clamping block. The contact pressure of the cooling fin is detected in real time, self-adaptive clamping and positioning are achieved, and a chemical nickel plating layer is prevented from being scratched; the arranged cooling air openings blow air towards gaps of the fins, internal cooling media circulate, the temperature of a welding area is effectively reduced, and fin softening and substrate warping are restrained.
Owner:SUZHOU HAOFU SURFACE TREATMENT TECH CO LTD

Ultrafast laser welding method and system

The invention relates to the technical field of laser welding, in particular to an ultrafast laser welding method and system.The method comprises the steps that a first transparent inorganic material piece and a second inorganic material piece are stacked to form a to-be-welded interface; gas with specific pressure is blown to the to-be-welded area through a nozzle, so that the first transparent inorganic material piece and the second transparent inorganic material piece are locally attached to the corresponding area; and meanwhile, an ultrafast laser beam is focused on the to-be-welded area, the material is driven to move along a preset track relative to the laser beam, and welding in the local attaching state is achieved. The method does not need to depend on a complex mechanical jig or overall pressing, the gap between the materials is locally and dynamically reduced at the laser action point only through air pressure, the defect that the interface gap requirement is difficult to meet the limitation on ultrafast laser welding is effectively overcome, and high-quality welding with high strength and low heat influence can be conveniently achieved.
Owner:SHENZHEN INTE LASER TECH

Welding temperature feedback control method based on multiple sensors and related equipment

The invention provides a multi-sensor-based welding temperature feedback control method and related equipment, and the method comprises the steps: carrying out the preprocessing of multi-dimensional temperature data collected in a welding region, and obtaining a multi-dimensional temperature feature vector; performing weighted fusion on the multi-dimensional temperature feature vectors to obtain an effective temperature feedback result of the welding area; based on the effective temperature feedback result, the environment temperature data and the welding speed, a target temperature curve is generated through a preset fuzzy rule; and iterative learning is carried out according to the target temperature curve and the effective temperature feedback result, temperature errors of all sampling moments are determined, and a welding output instruction is updated according to the temperature errors. Through the implementation of the scheme, fusion and weighting processing are performed on the multi-dimensional temperature data, and the effective temperature feedback result of the welding area can be generated, so that precise iterative adjustment of welding heat source output is realized, and the accuracy of heat source power regulation and control is effectively improved.
Owner:LUOYANG INST OF SCI & TECH +2

Underwater welding device and welding equipment

The invention provides an underwater welding device and welding equipment. A first channel is formed in a first rod piece; the second rod piece is connected with the first rod piece; a second channel is formed in the second rod piece and communicates with the first channel; the welding assembly is arranged at the end, away from the first rod piece, of the second rod piece and used for welding a to-be-welded area. The laser optical fiber is arranged on the first rod piece and used for outputting laser to the first channel, and the laser is used for being output to the welding assembly through the first channel and the second channel; the shielding gas pipeline is arranged in the first channel and the second channel in a penetrating mode and extends in the axial direction of the first channel and the axial direction of the second channel so as to be used for outputting shielding gas to the welding assembly, and the shielding gas is used for forming a dry operation environment in the to-be-welded area during underwater operation; and the length directions of the first rod piece and the second rod piece are different, so that the operation flexibility and the space adaptability of the underwater welding device in the underwater narrow and complex environment are improved.
Owner:CHINA GENERAL NUCLEAR POWER OPERATION

Pulsed ring spot laser welding method and laser welding device

PendingCN122378242ALaser transmitterLight spot
The application relates to the technical field of welding, and discloses a pulse ring-shaped light spot laser welding method and a laser welding device. The method comprises the following steps: controlling a laser emitter to emit a first laser beam and a ring-shaped laser beam arranged around the periphery of the first laser beam, so that the first laser beam and the ring-shaped laser beam irradiate a to-be-welded area; controlling the ring-shaped laser beam to preheat the to-be-welded area in a first pulse mode; under the condition that the to-be-welded area reaches a preset temperature, controlling the first laser beam to heat the to-be-welded area at a first power; under the condition that the to-be-welded area is heated to form a molten pool, controlling the first laser beam and the ring-shaped laser beam to synchronously move along the extension direction of a weld at a first welding speed, and controlling the power of the first laser beam to be constant and controlling the ring-shaped laser beam to complete welding of the to-be-welded area in a second pulse mode. The application discloses the pulse ring-shaped light spot laser welding method and the laser welding device, and solves or improves the problem of poor weld quality.
Owner:GUANGDONG LYRIC ROBOT INTELLIGENT AUTOMATION CO LTD +1

Low-temperature welding method for thin-walled sheet of automobile lightweight component

PendingCN122299113AWeld seamInternal stress
This invention relates to the field of welding technology, specifically disclosing a low-temperature welding method for thin-walled plates used in lightweight automotive components. The welding method includes the following steps: S1: Raw material preparation, taking raw material, preparing a constant-temperature welding chamber and welding equipment, and a heating gun; S2: Raw material transfer, placing the raw material and welding equipment in the constant-temperature welding chamber; S3: Raw material cleaning, grinding the welding area of ​​the raw material to remove dirt, oxide scale, etc. This invention avoids the problems of excessive temperature difference and rapid cooling rate during welding of thin-walled plates under low-temperature external conditions by setting a constant-temperature welding chamber and limiting its ambient temperature to no lower than 0℃, preferably 7℃. Furthermore, the sealed constant-temperature environment ensures uniform and stable temperature in the welding space, preventing stress accumulation in the weld and base material due to environmental temperature changes, thereby reducing appearance defects such as warping, deformation, and wrinkles in the thin-walled plate.
Owner:张国文

Ultrasonic vibration welding wire auxiliary double-laser-head welding device and welding method

The invention discloses an ultrasonic vibration welding wire auxiliary double-laser-head welding device and a welding method. The ultrasonic vibration welding wire auxiliary double-laser-head welding device comprises a welding table, and a laser main control computer, a welding assembly and an ultrasonic vibration wire filling mechanism are arranged on the welding table; the welding assembly comprises a first laser head used for welding the weld joint area and a second laser head used for preheating the weld joint area in advance or synchronously. The laser main control computer is electrically connected with the first laser head and the second laser head and used for accurately controlling parameters of the first laser head and the second laser head so as to coordinate the preheating process and the welding process. The ultrasonic vibration wire filling mechanism comprises an ultrasonic vibration head used for generating ultrasonic vibration and a welding wire which is driven by the ultrasonic vibration head and conducts high-frequency vibration. The ultrasonic vibration head is configured to enable the welding wire to keep ultrasonic vibration in the conveying process and enter the welding action area of the first laser head in the vibration state, and therefore direct acoustic streaming stirring is generated in the molten pool. The common air hole defect and coarse grain problems in aluminum alloy welding are remarkably reduced.
Owner:ZHEJIANG UNIV OF TECH

A tool clamp for cable bridge robot welding

This invention relates to a tooling fixture for robotic welding of cable trays, comprising a support frame, a side plate clamping mechanism, and a crossbar clamping mechanism. The support frame is divided into a feeding area, a welding area, and a discharging area. The side plate clamping mechanism has multiple sets, each containing symmetrical side plate clamping units. A linkage drive mechanism is installed in the drive box at the bottom of the support frame to drive the clamping units to open and close quickly, adjusting the side plate spacing. The crossbar clamping mechanism uses a servo motor to drive two sets of conveyor belt mechanisms arranged in a stepped manner to clamp and convey the crossbars. The crossbar spacing is controlled by adjusting the motor start-stop interval, and a limit baffle is installed at the feeding position. The welding area includes a welding station and a welding robot, with pneumatic grippers on both sides, equipped with crossbar and side plate detection units. After detection, the conveyor mechanism is stopped and welding operations begin. A side plate limit mechanism is also provided. This invention is adaptable to cable trays of different sizes, offering high versatility and production flexibility, a high degree of automation, convenient feeding, short downtime, reduced equipment investment, and improved production efficiency.
Owner:BEIJING BOXUN YUNCHENG TECH CO LTD

Welding method

This invention provides a welding method that allows the robot arm to move in an approaching manner so that the welding tool of the robot arm can reach the abutting portion at the midpoint in the depth direction of the two adjacent sides of the front of one side of the steel column, even for large steel columns, while avoiding a decrease in work efficiency due to frequent approaching movements. [Solution] This welding method uses a support structure 1 to support the robot arm 2. The robot arm 2 is used to weld the butt joint portion 31 between the lower square steel column 3A and the upper square steel column 3B. In the basic position, welding is not performed in areas that the robot arm 2 cannot reach (specific welding locations F), and welding is performed by the robot arm 2 in the weldable area G (thick dotted line area) for a number of passes less than the required number. Then, after removing the erection piece 32, welding is performed on the entire structure.
Owner:DAIWA HOUSE INDUSTRY CO LTD +2

Collecting plate for cylindrical lithium battery and cylindrical lithium battery monomer

The current collecting plate comprises a positive current collecting plate, the positive current collecting plate comprises a circular pole lug welding area, a current collecting handle and a circular end cover welding area, a central liquid injection through hole and a first auxiliary hole are formed in the end face of the circular pole lug welding area, and a second auxiliary hole is formed in the current collecting handle. According to the utility model, the plurality of first auxiliary holes are distributed in the circular tab welding area and are uniformly distributed in the internal space of the battery, so that the injection and infiltration of electrolyte and the discharge of gas in the battery are facilitated, the distribution positions of the first auxiliary holes do not occupy the functional area of the circular tab welding area, and the first auxiliary holes can be arranged according to a welding mode; and welding processes such as spot welding, wire welding or ring welding are met. And the second auxiliary hole is formed in the current collecting handle, so that the over-current area transmitted from the battery pole group to the end cover assembly can be reduced, and the current collecting handle can be quickly fused and the current output can be cut off when the battery is in short circuit or thermal runaway.
Owner:ZHENGZHOU BAK BATTERY CO LTD

Welding pressing mechanism and welding device

The utility model provides a welding hold-down mechanism and a welding device, which are used for welding a second part on a first part, and comprise a base, a pressing plate and a pressing plate, the rotating platform is arranged on the base; the pressing structure comprises a mounting seat, a supporting seat, a pressing piece and a pressing driving piece; the mounting seat is connected with the rotating platform; the supporting seat is connected with the mounting seat, the supporting seat is used for supporting a second component, and a through hole is formed in a welding area, corresponding to the second component, of the supporting seat; the pressing piece is oppositely arranged above the supporting base, the pressing driving piece is arranged on the installation base, the pressing driving piece is in driving connection with the pressing piece, and the pressing driving piece drives the pressing piece to press the first component to the second component. In other words, the welding pressing mechanism facilitates feeding and combination of the first component and the second component, and it can be guaranteed that the first component and the second component can be pressed mutually.
Owner:SHENZHEN HANS FORTREND TECH CO LTD

Frame group for photovoltaic module, photovoltaic module and photovoltaic power generation system

The utility model discloses a frame group used for a photovoltaic assembly, a photovoltaic assembly and a photovoltaic power generation system, the frame group comprises a plurality of frames, the plurality of frames are successively connected end to end, at least one welding area is formed on the contact surface of two adjacent frames, and the welding area is arranged on the frame group. The frame is provided with a welding area, the welding area extends along the extension direction of the contact surface of the two adjacent frames, the size of the welding area in the extension direction of the contact surface is L, and L is greater than or equal to 1mm and less than or equal to 50mm. According to the frame group provided by the utility model, the structural strength is improved, so that the mechanical load strength of the photovoltaic module is improved, the optical module can be normally used for a long time, and the production efficiency of the frame group is also improved.
Owner:CHANGSHU CANADIAN SOLAR ELECTRIC POWER TECHCO

Ceramic connector and method of welding and use thereof

PendingCN122254909ASemiconductorHeat treating
The application relates to the technical field of ceramic welding, and discloses a ceramic connecting piece, a welding method thereof and application. The welding method comprises the following steps: (1) introducing a welding material between a to-be-welded area of a ceramic piece I and a ceramic piece II to obtain a to-be-welded assembly piece; (2) performing preliminary welding on the to-be-welded assembly piece to obtain a sealed welding piece; the temperature of the preliminary welding is 1400-1580 DEG C, and the pressure of the preliminary welding is 0.5-2 MPa; (3) performing annealing heat treatment on the sealed welding piece to obtain a ceramic connecting piece; the annealing heat treatment temperature is 50-200 DEG C lower than the temperature of the preliminary welding, and the gas pressure of the annealing heat treatment is greater than or equal to 2 MPa. The welding method of the ceramic connecting piece provided in the application can realize high-strength sealed connection of ceramics under low temperature and low pressure, and is especially suitable for preparing electrostatic chucks and ceramic heaters in semiconductor processing equipment.
Owner:NO 12 RES INST OF CETC

V-groove weld deviation detection method based on YOLO model and groove reconstruction

The application discloses a V-shaped groove weld deviation detection method based on a YOLO model and groove reconstruction in the field of welding. First, a single YOLO model is trained to synchronously identify and intercept the left and right edge windows of a groove and the center window of a welding torch in a globally collected image of a welding area. Second, the groove edge window image is subjected to a gray scale transformation and a local adaptive threshold method, and the left and right edges of the groove are reconstructed in combination with a random sample consensus algorithm and a multi-level rollback mechanism. Then, the center of the groove is located by a midpoint recursion method based on the reconstructed groove edge, and the center of the welding torch is determined according to the center window of the welding torch. Finally, the deviation between the center of the groove and the center of the welding torch is calculated, and a two-level filtering mechanism combining Kalman filtering and moving average filtering is adopted to obtain a stable weld deviation value. The synchronous positioning of the double groove edges is realized by a single model, the arc light interference is effectively inhibited by combining the local adaptive threshold and the reconstruction method, and the robustness and precision of the weld deviation detection are improved.
Owner:JIANGSU UNIV OF SCI & TECH

Systems and methods for automated container assembly manufacturing

An automated container manufacturing system, which includes a plurality of component manufacturing sections, a container assembly section, and a container welding section. The component sections include at least one robotic assembly arm and at least one robotic welding arm for forming container walls. The assembly section includes at least one robotic assembly arm and robotic welding arm for assembling and welding container walls to each other to form a container. The container welding section includes at least one robotic assembly arm for welding sections of a container.
Owner:MELANCON HLDG LLC

Precast beam bottom web steel reinforcement framework machining production line and machining method

The invention provides a prefabricated beam bottom web steel reinforcement framework machining production line and a machining method, and relates to the technical field of steel reinforcement framework machining. A rail component connected with a bottom rib welding area and a side rib welding area is arranged, a movable platform is arranged on the rail component, and the movable platform bears bottom web single pieces and bottom ribs and automatically conveys the bottom web single pieces and the bottom ribs along a rail; the continuous circulation of the bottom rib and side rib welding procedure is realized; when the bottom ribs are welded, the bottom ribs can be firstly placed on the moving platform, the moving platform is moved to the bottom rib welding area, the bottom web single pieces are arranged on the bottom ribs one by one for welding of the bottom ribs and the bottom web single pieces, after welding is completed, the moving platform is moved to the side rib welding area along the track, and in the side rib welding area, the side ribs are arranged on the two corresponding sides of the bottom web single pieces. Continuous welding of the side ribs on the two sides and the bottom web single piece is completed; through cooperative control of partition welding, track conveying and automatic welding equipment, procedure interference is effectively avoided, the welding precision is improved, the welding period is shortened, and the automatic machining efficiency is improved.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +3

Welding torch assembly with integrated vision system

The present disclosure provides an apparatus for mounting a welding torch to a robotic arm, comprising a mounting body having a torch connector for holding the welding torch and an arm connector for coupling the mounting body to the robotic arm, and one or more cameras integrated into the mounting body, the one or more cameras configured to capture images of the active welding area at the bottom end of the welding torch from two or more angles to generate a three-dimensional view of the weld seam.
Owner:NOVARC TECH INC