7198results about "Welding/soldering/cutting articles" patented technology

A vacuum insulating panel may include: a first substrate; a second substrate; a plurality of spacers provided in a gap between at least the first and second substrates, wherein the gap is at pressure less than atmospheric pressure; a pump-out / evacuation tube extending at least partly into an aperture in one of the substrates; and a pump-out / evacuation tube seal. The pump-out / evacuation tube seal may include at least one of: (a) from about 20-80 wt. % tellurium oxide, the tellurium oxide comprising TeO4 and TeO3, wherein the pump-out tube seal comprises more TeO3 than TeO4 by wt. %; and / or (b) tellurium oxide and from about 10-50 wt. % vanadium oxide, wherein the pump-out tube seal by wt. % comprises more tellurium oxide than vanadium oxide, and wherein the vanadium oxide comprises VO2 and V2O5, and wherein more V in the pump-out tube seal is in a form of VO2 than V2O5. A substantially donut-shaped laser beam may be used to heat pump-out tube material in order to form a pump-out tube seal.

A vacuum insulating panel may include: a first substrate; a second substrate; a plurality of spacers provided in a gap between at least the first and second substrates, wherein the gap is at a pressure less than atmospheric pressure; a seal provided between at least the first and second substrates, the seal including a first seal layer and a second seal layer, wherein, for at least one location of the seal, the first seal layer has a first width and the second seal layer has a second width, wherein the first width of the first seal layer may be from about 2-20 mm, more preferably from about 3-10 mm, and possibly from about 4-8 mm.

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

A vacuum insulating panel includes first and second substrates (e.g., glass substrates), a hermetic edge seal, a pump-out port, and spacers sandwiched between at least the two substrates. The gap between the substrates may be at a pressure less than atmospheric pressure to provide insulating properties. The vacuum insulating panel may include a multi-layer edge seal structure, including at least one layer including boron oxide (e.g., B2O3 or any other stoichiometry).

The invention discloses a high-strength silver-free copper-based brazing filler metal which is composed of P, Sn, Ni and Cu. The high-strength silver-free copper-based brazing filler metal is low in cost, safe, environmentally friendly and good in welding effect; through the adding of Sn and Ni, the melting point of brazing filler metal alloy is reduced, and the tensile strength and wettability of the brazing filler metal alloy are enhanced.

The invention discloses a rice machine steel frame automatic welding method based on machine vision. The rice machine steel frame automatic welding method comprises the steps that S1, original image data are obtained; s2, performing denoising and gray scale standardization processing on the original image data to generate an enhanced image; s3, generating a weld joint candidate region image, a weld joint structure description vector and a stress weighted region image based on the three-dimensional CAD assembly model and the enhanced image; s4, a welding seam track generation model is constructed through the multi-mode pruning attention network, and a continuous three-dimensional welding track is generated; s5, dynamic feasibility verification and welding gun posture planning are carried out on the continuous three-dimensional welding track; s6, discretizing the verified three-dimensional welding track to generate a discrete track point sequence; s7, the discrete track point sequence is bound with welding parameters, and a linkage execution instruction set is generated; and S8, the linkage execution instruction set is sent to a welding control unit, real-time welding state data are collected, and closed-loop control over the welding process is completed. According to the invention, the executability and stability of the welding path are enhanced.

The invention discloses an intelligent assembly method of a precise connector, which comprises the following steps of: adding phase change particles with different melting points into tin-silver-copper-based solder according to the difference of functional areas of welding spots in the connector, generating an area formula index, and obtaining composite solder with partition identification; according to the area formula index, the composite welding flux is deposited to preset welding spot positions according to the functional areas, and particle distribution information is recorded; performing reflow soldering on different functional areas by adopting corresponding temperature curves according to the melting point parameters of the phase change particles, and recording the temperature history of each area; applying pulse thermal excitation to the packaged connector, and collecting a surface temperature change curve of each welding spot to obtain thermal response data; and performing correlation comparison on the thermal response data and process historical data, identifying the welding spot defect type according to curve deviation characteristics, and generating process adjustment parameters. According to the scheme, after the connector is completely packaged, rapid nondestructive detection of internal tiny welding spots can be realized, hidden defects can be effectively identified, and intelligent optimization and adjustment of process parameters can be realized.

The invention provides an auxiliary device for steel pipe construction welding, and relates to the technical field of pipeline welding, and the auxiliary device comprises two arc-shaped bearing bodies, an auxiliary main frame, an aligning mechanism and a rotary driving system. The central angle of the arc-shaped bearing body is larger than 180 degrees, automatic centering of the steel pipes is achieved through the outer pressing supporting rod assembly and the inner positioning supporting rod assembly, and it is guaranteed that the two sections of steel pipes are concentric. And the welding head mounting seat is connected with the rotary driving piece through the arc-shaped movable clamping body to drive the welding head to continuously rotate around a welding seam, so that high-quality girth welding is completed. The device solves the problems of low centering precision and poor efficiency in traditional welding, has the advantages of high automation degree, high stability, convenience in assembly and disassembly and the like, and is suitable for quick welding of municipal steel pipe engineering.

The invention relates to the technical field of laser welding, in particular to a laser welding tool for multi-size battery machining, which comprises a machining box body and a moving assembly for driving a laser welding head, a base frame is fixedly mounted at the top of the machining box body, and a pushing feeding assembly is arranged in the base frame. And the driving assembly is used for driving the battery bodies to achieve interval type horizontal transferring, a concentric-square-shaped moving plate in the pushing feeding assembly is responsible for gradually feeding the battery bodies step by step, moving blocks are fixedly installed at the two ends of the concentric-square-shaped moving plate, and upper and lower belt material assemblies are arranged in the moving blocks. According to the full-automatic battery top end cover welding machine, time sequence coupling of the four functions of clamping, conveying, taking and placing and cleaning is achieved, multi-process cooperation is completed, the electrical control complexity and cost are greatly reduced, absolute synchronization of takt time among the processes is fundamentally ensured, extremely high repeated positioning precision and anti-interference capacity are achieved, and the welding quality of a battery top end cover is improved.

The invention discloses a niobium-zirconium alloy and nickel-based alloy vacuum brazing process and a part, and belongs to the technical field of vacuum brazing. According to the process, a vacuum brazing furnace is adopted for brazing, and BNi-2 brazing filler metal is used; the process comprises the following steps that S1, a welding assembly structure formed by a niobium-zirconium alloy part and a nickel-based alloy part is assembled, and BNi-2 brazing filler metal is arranged at the matching position of the welding assembly structure; s2, staged heating is carried out on the welding assembly structure under the preset vacuum degree of the vacuum brazing furnace, and the staged heating comprises a foreign matter removing heating stage, a brazing filler metal solid diffusion heating stage and a brazing filler metal melting wetting heating stage which are sequentially carried out; and S3, staged cooling is conducted on the welded assembly structure after welding is completed, the staged cooling comprises a furnace cooling stage and a gas quenching cooling stage which are conducted in sequence, according to the scheme, defect control over the niobium-zirconium alloy and nickel-based alloy welding joint can be effectively achieved, and the strength and sealing performance of the welding joint are guaranteed.

The invention relates to the technical field of glass welding, in particular to a clamping device for metal-glass laser welding and a welding method. The device comprises a bottom plate, a cover frame and supporting columns connecting the bottom plate and the cover frame, and a lifting part is formed between the cover frame and the bottom plate. A mechanical lifting assembly with an adjusting rocker and a graduated scale is installed on the bottom plate in the lifting part, the lower end is connected with the bottom plate, and the upper end is connected with the machining table to drive the machining table to ascend and descend. And the center of the cover frame is provided with a quartz glass pressing plate plated with a magnesium fluoride antireflection film. A cylindrical metal mounting base coaxial with the glass pressing plate is arranged on the machining table and used for mounting metal to be welded. During welding, the adjusting rocker is rocked to lift the machining table so that to-be-welded glass can make contact with the glass pressing plate, and optical contact is achieved by observing the situation that an interface Newton ring disappears from appearing; the whole clamping device is moved to a laser machining platform, and welding is conducted through a glass pressing plate; and after completion, the machining table is lowered to disassemble the weldment.

An adjustment method of a laser processing apparatus includes a spatial light modulator adjustment step of adjusting a spatial light modulator into a state ready for splitting a laser beam emitted from a laser oscillator and applying a plurality of laser beams such that laser beams will have a desired positional relation, a processing mark formation step of operating the laser oscillator to apply the laser beams to a wafer such that a plurality of processing marks is formed, an imaging step of stopping the laser oscillator, and imaging the processing marks formed at the wafer, and an aberration correction step of correcting aberration of the condenser by comparing the desired positional relation and a positional relation among the imaged processing marks, and adjusting the spatial light modulator such that the positional relation among the processing marks conforms to the desired positional relation.

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

A blade includes a body having a cutting portion with an edge and a plurality of cutting teeth sequentially aligned along the edge. Each cutting tooth of the plurality of cutting teeth is formed from a corresponding one of a plurality of carbide inserts that is discretely resistance welded to the edge. The body includes at least 15 teeth per inch.

The present application relates to steel cage welding processing equipment technical field, and particularly to a kind of steel cage welding equipment, comprising: welding frame, support frame of support longitudinal reinforcement, traction frame of traction longitudinal reinforcement are sequentially arranged on welding frame;Longitudinal reinforcement is installed on the installation mechanism of support frame;Longitudinal reinforcement on support frame is pushed to the pushing mechanism on traction frame;The support frame is composed of mounting frame, rotating disc;The mounting frame is fixedly connected with the welding frame;Rotating disc is rotatably installed on the mounting frame;A kind of steel cage welding equipment of the present application is replaced by setting installation mechanism, artificial longitudinal reinforcement perforation work, to reduce the problem that horizontal muscle slips and causes worker injury, reduces welding efficiency;On the one hand, longitudinal reinforcement is translated to the butt joint of traction frame along axial direction;On the other hand, longitudinal reinforcement is supported, to prevent longitudinal reinforcement from causing outward bending force on the clamping block and the block on support frame when passing through support frame.

The invention discloses a method for brazing and connecting diamond and copper through Ag-Cu eutectic brazing filler metal. The method comprises the following steps that S1, coating treatment is conducted on diamond, and surface metallized diamond is obtained after heating activation; s2, copper to be brazed and the surface metallized diamond are subjected to brazed connection through Ag-Cu eutectic brazing filler metal; wherein in the step S1, a titanium layer, a molybdenum layer and a nickel layer are sequentially deposited on the surface of the diamond, and coating treatment of the diamond is achieved. According to the method, the residual stress of the brazed joint can be reduced, the service life of the brazed joint is prolonged, the sealing performance of the brazed joint is improved, and important reference is provided for preparation of the large-size diamond microwave window.

The utility model belongs to the technical field of battery assembly, and particularly relates to a cylindrical battery welding device and a cylindrical battery assembly line. The cylindrical battery welding device comprises a rotary table, a feeding station, a pre-welding visual inspection station, a welding station, a post-welding visual inspection station and a discharging station are sequentially arranged on the peripheral side of the rotary table in the rotating direction of the rotary table, the pre-welding visual inspection assembly is arranged on the pre-welding visual inspection station, and the welding device is arranged on the welding station. And the post-welding visual inspection assembly is arranged at the post-welding visual inspection station. The welding positions of the battery cell and the collector plate can be detected by arranging the pre-welding visual inspection assembly, the accuracy of the welding positions is guaranteed, the quality of the battery cell and the collector plate after welding is detected by arranging the post-welding visual inspection assembly, unqualified products are prevented from flowing into the next procedure, and the production efficiency is improved. And the post-welding visual inspection assembly can feed back the detected defects to the welding device forwards according to the detected defects, the welding device is guided to weld more accurately, and the yield of products is increased.

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

The utility model relates to the technical field of box-type substation processing, in particular to a box-type substation metal plate cutting machine. Comprising a rack; the upper cutting assembly is mounted on the rack; the moving assembly is mounted on the rack; the upper cutting assembly comprises an upper support fixedly connected with the rack; the third adjusting part is fixedly connected with the upper bracket; the second adjusting piece is movably arranged on the third adjusting piece; the first adjusting part is movably arranged on the second adjusting part, and the moving direction of the first adjusting part is perpendicular to that of the second adjusting part; and the reflection cylinder is fixedly arranged on the first adjusting piece. The metal plate cutting device can accurately cut metal plates and is higher in working efficiency.

The invention relates to the technical field of metal net welding, in particular to a welding control method and system for the metal net production process, and the method specifically comprises the steps that firstly, functional areas are divided based on the geometric structure of a metal net, temperature changes in thermal imaging images of all the functional areas are analyzed in real time, and weights of different areas are defined; environmental parameters and equipment state data are collected in real time through multiple types of sensors, and comprehensive deviation of materials, environments and equipment at all moments is calculated in combination with material characteristic parameters; adjusting the proportion parameter of each functional area at each moment based on the weight and the comprehensive deviation, and dynamically adjusting the welding power of each functional area at each moment in combination with a self-adaptive PID (Proportion Integration Differentiation) algorithm; the problems that under traditional unified parameter control, the weld quality is not uniform, and the production line rhythm and energy consumption cannot be considered at the same time are solved, and the production efficiency is improved while the welding quality is guaranteed.

The invention relates to the technical field of copper-aluminum composite welding, in particular to a thin aluminum bar lap welding method. The method comprises the following steps: firstly, carrying out microstructure regulation and control on a welding surface by adopting a mechanical directional polishing technology, effectively removing a surface oxide layer and forming a uniform rough surface; secondly, accurate management of heat input is achieved through a gradient temperature control strategy, and heat damage to the thin-wall material is avoided; and meanwhile, mutual diffusion of copper atoms and aluminum atoms is promoted by combining a metallurgical transition layer technology, and stable metallurgical bonding is formed. In terms of structural design, a unique positioning system ensures the assembly precision, and the process stability is remarkably improved in cooperation with an optimized welding process. According to the method, the welding quality of the thin aluminum row is improved in a breakthrough mode, meanwhile, the good industrial production adaptability is achieved, and a reliable solution is provided for the connection technology in the fields of power batteries, energy storage equipment and the like.

The photovoltaic module welding device comprises a driving part, a feeding part, a welding part, a first bearing part and a second bearing part, and the feeding part is used for providing a bus bar to be welded; the first bearing part is used for bearing a battery string group of a to-be-welded bus bar and enabling a to-be-welded bus bar part of the battery string group to protrude out of the first bearing part, and the second bearing part is used for bearing a part, protruding out of the first bearing part, of the battery string group; the welding part is configured to pick up or release the bus bar and heat the bus bar; and the driving part drives the welding part and the picked bus bar to move to the position above the second bearing part, so that the picked bus bar is tightly pressed on a plurality of welding strips at the end part of the battery string group borne by the second bearing part through the welding part, and the tightly pressed bus bar is heated, so that the overlapped parts of the bus bar and the plurality of welding strips are welded and fixed. According to the photovoltaic module welding device, the bus bar is automatically welded on the welding strip at the end part of the battery string group, and the working efficiency is high.

The provided is an alignment clamping fixture for automatic tailor welding of an automotive door ring and a welded seam alignment method therefor. The alignment clamping fixture includes a gripper unit and a clamp unit, where the gripper unit is connected to a working end of a robotic arm; the gripper unit includes a gripper frame, and a plurality of vision camera mechanisms and a plurality of suction cup mechanisms are mounted at a bottom of the gripper frame in a fit manner, respectively; and the clamp unit includes a clamp base, a plurality of first alignment mechanisms are mounted at a top of the clamp base in a fit manner, the first alignment mechanisms are configured to clamp a workpiece, a light source is arranged in an individual first alignment mechanism, and the light source illuminates the workpiece from a back surface of the workpiece.

The invention discloses a power lithium battery series-parallel connection welding machining production device, and relates to the technical field of lithium battery machining, the power lithium battery series-parallel connection welding machining production device comprises a rack and a battery pack, the two sides of the rack are provided with a first conveying part and a second conveying part respectively, and a moving table is arranged between the first conveying part and the second conveying part and slidably installed on the rack; and a control assembly for welding the battery pack is arranged at the top of the rack, and a welding assembly for pushing the moving table to intermittently move towards one side of the second conveying part is arranged at the bottom of the rack. According to the power lithium battery series-parallel connection welding machining production device, by starting a driving motor and by means of linkage of a series of mechanical structures, a pushing rod intermittently pushes a containing base, a moving table and a battery pack to move towards one side of a welding assembly, and by means of the automatic intermittent conveying mode, the production efficiency is greatly improved; and meanwhile, it is guaranteed that the welding process can be conducted stably according to the preset rhythm.

The invention discloses a solar cell laser scribing track control method, a scribing method and a scribing system.The control method comprises the following steps that a first camera is used for obtaining datum line data at the position L away from the front of a laser device and sending the datum line data and corresponding position data to a control device; when the control device controls the laser to move to the position corresponding to the position data in the first direction, compensation and lineation are carried out based on the datum line data and the preset line spacing, so that the laser carries out lineation along with the datum line; the second camera is used for acquiring a current line spacing between a current processing line and a reference line and sending the current line spacing to the control device, the control device compares the current line spacing with a preset line spacing, the control device obtains correction data according to a comparison result, and the correction data is used for correcting the current processing line according to the correction data. And controlling the movement of the laser based on the correction data and the datum line data of the first camera.

The invention discloses a large-span steel structure corridor overall lifting rapid installation system and technology. The installation system comprises an inclination angle monitoring module, a steel truss end displacement detection module, a data monitoring module, a detection early warning module and an early warning removing module. According to the inclination angle monitoring module, a high-precision inclination angle sensor is pasted to the middle position of a truss, the inclination angle theta of the steel truss is monitored in real time through the high-precision inclination angle sensor, the sensor is connected with a PC terminal, and inclination angle data are received in real time. Therefore, the construction progress is accelerated, and the construction cost is reduced; the synchronism of the large-span steel truss in the whole lifting process can be accurately monitored; the working procedures of pausing lifting and measuring every time lifting is conducted by a certain distance in the traditional construction process are omitted, continuous lifting is achieved, and the construction quality and efficiency are improved.

A vacuum insulating panel may include a first substrate; a second substrate; a plurality of spacers provided in a gap between at least the first and second substrates, wherein the gap is at a pressure less than atmospheric pressure; a seal provided between at least the first and second substrates, the seal including a first seal layer, a second seal layer, and a third seal layer, wherein the first seal layer may be located between at least the second and third seal layers; wherein, for at least one location of the seal, the first seal layer has a first thickness, the second seal layer has a second thickness, and the third seal layer has a third thickness; and wherein the first thickness may be greater than the second thickness and less than the third thickness.

The invention discloses a welding device for capacitor processing, and relates to the technical field of capacitor processing welding, the welding device comprises a mounting base, a fixed middle frame is arranged on the mounting base, a position adjusting mechanism is arranged on the fixed middle frame, a welding gun adjusting mechanism is arranged on the position adjusting mechanism, and two symmetrically arranged rotary clamping mechanisms are arranged on the fixed middle frame; the fixed middle frame is provided with a synchronous conveying assembly, the synchronous conveying assembly comprises a fixed side plate, a conveying belt mechanism, a lifting adjusting mechanism, a position adjusting frame mechanism, a rotary plate shifting mechanism and a rotary driving mechanism, the fixed side plate is arranged on the mounting base, and the lifting adjusting mechanism and the conveying belt mechanism are arranged on the fixed side plate; the position adjusting frame mechanism is arranged on the lifting adjusting mechanism, the rotary shifting plate mechanism is arranged on the position adjusting frame mechanism, the rotary driving mechanism is arranged on the lifting adjusting mechanism, the transverse position of the welding gun adjusting mechanism can be adjusted by arranging the position adjusting mechanism, and the capacitor positioning and welding efficiency is improved.

The utility model discloses a steel beam butt welding device which comprises tool frames arranged on the two sides at intervals, and a connecting plate is fixedly connected between the bottoms of the tool frames. A plurality of pushing rollers are rotationally connected to the connecting plate; clamping wheel assemblies for clamping a steel beam are assembled and connected to the tool frame, each clamping wheel assembly comprises a plurality of clamping wheels assembled on the tool frame in a sliding mode, and sliding rods connected to the tool frame in a sliding mode are fixedly connected to the clamping wheels; the clamping wheel assembly further comprises a driving arm fixedly connected to the sliding rod, and the two ends of the driving arm are each provided with a pushing air cylinder. In the welding and pushing process of the steel beam, the clamping wheel assemblies are clamped on the two sides of the steel beam, and the pushing accuracy is kept. According to the device, in the steel material welding process, a steel beam is accurately pushed and aligned to a welded steel frame in a labor-saving and easy-to-adjust mode, and in this way, the welding difficulty is reduced while the welding efficiency is improved.