72 results about "Weld line" patented technology

The present invention relates to a wire rod for welding rods and a manufacturing method therefor. One aspect of the present invention is to provide a wire rod for welding rods and a manufacturing method therefor. A preferred aspect of the present invention is to provide: a wire rod for welding rods, having superior strength and wire drawability as well as excellent cost-effectiveness; and a manufacturing method therefor.

This invention discloses a method, system, and storage medium for interactive welding of the three-dimensional surface of a rudder workpiece, belonging to the field of automated welding technology. The welding method includes: acquiring complete raw point cloud data of the rudder workpiece through point cloud scanning; performing semantic segmentation on the three-dimensional surface structure in the raw point cloud data to obtain the rudder top surface point cloud; extracting the skeleton contour structure of the rudder workpiece based on the rudder top surface point cloud as welding guide lines; sorting the welding guide lines according to a pre-set arrangement; and adjusting the sorting of the welding guide lines interactively according to actual processing requirements to complete the interactive welding of the three-dimensional surface of the rudder workpiece. The welding system of this invention includes a structured light camera, a robotic arm, and an information processing computer. This invention automates the welding process of rudder workpieces, eliminating the problem of inconsistent results from manual welding, and also features interactive weld line selection functionality, adapting to different welding processes with high flexibility.

The application discloses an ETL-based welding line virtual process environment building method and device and a storage medium, belongs to the technical field of software development, and comprises the following steps: preparation: establishing a two-dimensional plane legend library and a PD three-dimensional model resource library with corresponding names; calling legends in the two-dimensional plane legend library to create a two-dimensional plane map; data extraction: filling in the work station information of the equipment in the two-dimensional plane map and generating an automatic layout table; data conversion: reading the work station information in the automatic layout table to automatically generate a resource tree Input table; data loading: generating a corresponding resource tree according to the information in the resource tree Input table, inserting an equipment node under the resource tree and modifying the spatial position of the equipment when the PD-ID in the automatic layout table is empty, and completing the virtual process environment building; the method optimizes the working method, improves the working efficiency and accuracy, and can realize the traceability of data changes.

This invention provides a welding line detection system that improves the efficiency of teaching welding robot actions and enhances welding quality. It comprises: an imaging unit (211) for capturing an image of the welding object; a coordinate system setting unit (212) for setting a user coordinate system based on markers contained in the captured image; a point group data drawing unit (213) for detecting specific positions of markers in the image, setting the detected specific positions onto point group data obtained by a distance measurement sensor measuring the distance to the welding object, and drawing the point group data, assigned coordinates to the user coordinate system with the set specific positions as the origin, onto the user coordinate system; and a welding line detection unit (214) for detecting the welding line of the welding object based on the point group data drawn on the user coordinate system.

The present disclosure relates to portable conduction welding apparatus, systems, and methods. An apparatus (10) has a heating system (46) having a first heater assembly (50) and a second heater assembly (52), each having a machined insulation block (56), a machined heater block (58), a heater element (74), and a thermocouple (96). The apparatus (10) has a force application and monitoring system (102) having a clamp assembly (104) and a load sensor (160). The apparatus (10) has an indexing assembly (166). The apparatus (10) has one or more controllers (85). The apparatus (10) is portable and configured to weld a thermoplastic composite part (24a) and a second thermoplastic composite part (24b) together at a weld line (28a) by applying a force (162) and conducting heat (30) at the weld line (28a) during a heat welding cycle (75).

A planar mesh metal filter element and its processing method are disclosed. The planar mesh metal filter element includes a support tube, two end caps, an elongated connecting piece, and a filter screen. The support tube is a spiral tube. During processing, the elongated connecting piece is first attached and fixed to the outer surface of the support tube, and then welded to the end caps at both ends, thus forming a continuous straight weld line on the support tube connecting the two end caps. This provides a foundation for welding the filter screen. Finally, the filter screen is fixedly wrapped around the support tube by resistance welding to the elongated connecting piece and the end caps. Using this method, the spiral tube can be used in planar mesh metal filter elements, replacing conventional straight seam tubes. Compared to conventional straight seam tubes, the spiral tube not only has higher strength and compressive strength but is also more conducive to mass production, improving production efficiency and reducing production costs.

By welding a metal strip to an interior surface of a process vessel while joining a first metal overlay section and a second metal overlay section to the interior surface of the process vessel such that opposite end regions of the first and second overlay sections are adjacent to each other and positioned on the metal strip, corrosion protection is provided for the interior surface of the process vessel. A weld line section is formed by welding the opposite end regions of the overlay sections to each other and to the metal strip. The weld line section is then covered with a metal seal strip that is itself welded to each of the opposite end regions of the overlay sections.

The present application provides a kind of based on welding data direct drive's welding seam scanning-free adaptive polishing method and system, it is related to robot automation processing and intelligent manufacturing technical field, including obtaining welding process parameter set and welding robot terminal trajectory;Process parameter set is input into the welding seam appearance prediction model pre-established, deduce welding seam maximum excess height and welding seam width;Based on welding trajectory and welding seam geometric parameter planning horizontal polishing pass and longitudinal polishing layering, generate adaptive polishing path;Control the polishing robot along the path of six-dimensional force sensor's polishing, according to welding line energy pre-judgment welding seam hardness partition and set different target normal contact force, simultaneously based on sensor feedback force signal and torque signal, through closed loop control dynamic adjustment;The present application does not need independent 3D scanning process, realizes welding data direct drive polishing control, adapts to welding seam appearance and hardness change, improves production efficiency and polishing quality consistency.

The present invention provides a pulsed arc welding tracing control method, control device, welding system, welding program, and welding power supply that, even when using the pulsed arc welding method, are not affected by the pulse shape of the welding current and arc voltage, and furthermore, enable the extraction of highly accurate information on the change in protrusion length, even for portions that do not actually appear as changes in current. [Solution] A pulsed arc welding tracking control method in which the amount of electrical change X detected during weaving includes at least a welding current detection signal Io, an arc voltage detection signal Vo, a predetermined set voltage Vset, and a predetermined current conversion characteristic value Char as parameters, a predetermined period Tf is defined as one interval, the average value Yn of the amount of electrical change X in each interval is calculated, and based on the average value Yn, information on the protrusion change in the groove is extracted to track the weld line.

This invention relates to the field of metal welding inspection technology, specifically to an intelligent inspection method for metal welding processing based on industrial vision. The method includes: constructing a multimodal welding process tensor characterizing the coupling relationship between welding energy, material state, and metallurgical behavior; inputting this tensor into a reasoning computation network based on physical information constraints to forward deduce the evolution of the molten pool morphology and temperature gradient field; simultaneously executing a state inversion algorithm using multispectral fused images as observation data and welding process parameters as boundary conditions to optimize the intrinsic parameters of the welding heat source model; and fusing the forward deduction and inverse optimization results to construct a dynamic digital twin of the welding process. The method calculates the solidification rate, thermal cycle curve, and latent heat of phase transformation at each point on the welding line in real time, compares each point with the standard values ​​of the qualified process window, identifies abnormal locations, and outputs a structured inspection report containing coordinates and deviation types. This invention achieves coupled characterization and dynamic modeling of the welding process, improving the accuracy and real-time performance of the inspection.

This utility model discloses a screen structure for an air cushion box, belonging to the field of cosmetic packaging technology. It includes a box body with a plastic fastener inside. A slot is provided inside the box body. The inner circumference of the plastic fastener has a protrusion that engages with the slot. The top wall of the plastic fastener has a ring of multiple arc-shaped welding lines distributed in a circular pattern, equidistantly arranged around the central axis of the plastic fastener. A mesh fabric is ultrasonically welded to the bottom of the multiple arc-shaped welding lines, and the mesh fabric corresponds to the opening at the top of the plastic fastener. An anti-overflow cotton pad is placed inside the opening at the top of the plastic fastener, located above the mesh fabric. In this utility model, the screen structure is fixed by ultrasonic welding using welding lines of various shapes distributed at equal intervals. These multiple welding lines ensure a uniform distribution of stress points at the connection between the plastic fastener and the mesh fabric, increasing the friction at the weld and ensuring a good connection.

The utility model belongs to mould technical field especially relates to a big water port inclined top glue mechanism of latent type of automobile upper decorative plate injection mold. The utility model, including upper decorative plate forming lower mould and upper decorative plate forming upper mould, be equipped with two forming protrusions in the upper decorative plate forming lower mould, be equipped with two forming recesses in the upper decorative plate forming upper mould. The utility model in the using process, adopt latent type runner structure, cooperate with latent type water port portion through injection flow dividing spare, make plastics can enter the cavity along the oblique, greatly reduce the resistance of plastic flow, improve filling efficiency, effectively avoid the forming defects such as weld line, short shot, improve the surface quality of decorative plate, and the inclined top outside anti - deviation spare and large -area inclined top structure cooperation, can avoid large -area inclined top structure in the injection process to sway outward, guarantee the structural stability of mould under high -pressure injection environment, prolong the service life of mould, improve product forming precision.

A method of manufacturing a welded structure includes a preparation operation of arranging a first member to overlap a second member; a first welding operation of forming a first welding line on a first surface of the first member by welding a portion at which the first member overlaps the second member, the first surface of the first member being a surface of the first member facing the second member; a second welding operation of forming a second welding line on a second surface of the first member by welding the portion at which the first member overlaps the second member, the second surface of the first member being a surface opposite to the first surface; and connecting the first welding line to the second welding line.

This utility model discloses an integrated crimping and welding terminal. The cable fixing end has a hollow post for crimping the wire core, and the end of the hollow post has a welding cup for welding the wire core. The cable fixing end, conductive connection end, hollow post, and welding cup are integrally formed. This utility model, by setting a hollow post and welding cup at the cable fixing end, not only meets the needs of crimping cables in conventional working environments, but also allows for welding and fixing of the wire core in complex working environments such as high temperatures. It facilitates the selection of better wire assembly processes according to actual usage scenarios, ensuring the stability of cable connections and the need for efficient signal transmission. It is convenient to use, and the integrated structure of the embedded terminal is simple, easy to process, and has low production costs.

This utility model relates to the field of cylindrical lithium-ion battery technology, and proposes a current collector welding structure and a cylindrical lithium-ion battery, including multiple welding lines. Each welding line comprises multiple straight lines and multiple rounded corner lines. The ends of the straight lines and the ends of the rounded corner lines are integrally formed and continuously arranged. Multiple straight lines and multiple rounded corner lines are alternately arranged and combined to form a wave shape. The line width of each straight line and each rounded corner line is W0. The angles between a straight line and its two adjacent straight lines are A and B, respectively, where 0.2mm≤W0≤0.4mm, 10°≤A≤30°, and 10°≤B≤30°. This utility model, by setting the welding lines to a wave shape, can increase the length of the welding lines within a specified span. By limiting the width of the welding lines and the angle between two adjacent straight lines, the battery can balance the welding quality and current carrying capacity at the welding line positions, thereby effectively improving the overall performance of the battery.

This disclosure relates to a method and apparatus for reducing weld residual stress in steel structures with weld lines. Specifically, the method for reducing weld residual stress includes the steps of: plastically deforming a target deformation region by contacting a disk with the target deformation region and applying a compressive load to the target deformation region by means of a rotating disk, the target deformation region being a base material region near the interface between the weld bead of the weld line and the base material; and conveying the steel structure or disk such that the indentation caused by the plastic deformation extends in the target deformation region along the weld line in a continuous linear shape.

The application discloses a kind of injection mold visual virtual design systems, it is related to the technical field of visual virtual design, the system includes: data acquisition module is used to obtain the flow position data and temperature distribution data in the injection filling process of simulating melt flow into target injection mold, flow position data includes the front position data of melt when flowing with time, temperature distribution data includes the temperature sequence data of each grid unit corresponding to target injection mold recorded according to preset time step;Data processing module is used to determine the first runner and the second runner when forming weld line in injection filling process;According to temperature distribution data, determine the temperature difference integral value between first runner and second runner;According to temperature difference integral value, determine the reason of weld line formation;Virtual design module is used to design the injection filling process of target injection mold according to forming reason.The application reduces the time required for mold design.

A magnetic drive structure for a hair cutting device includes a split injection port on the outer mold. The split injection port is located at the position where the elastic element and the swing arm meet. After the liquid required for molding the elastic element is injected from the corresponding split injection port, the two liquid streams flow along the mold channel and converge. This design incorporates a reinforcing structure on the elastic element. The distances from both sides of the reinforcing structure to the two positions where the elastic element and the swing arm meet are equal. The purpose of adding the reinforcing structure is to change the convergence point of the two liquid streams to the reinforcing structure, preventing them from converging at any point on the side wall of the elastic element. This prevents weld lines from forming on the elastic element. This design ensures that the two liquid streams can be evenly and fully fused when they converge, avoiding weld lines forming on the main structure of the elastic element. Furthermore, due to the reinforcing structure, even if weld lines are formed, they will be located on the reinforcing structure, not on the main body of the elastic element.

The utility model relates to the technical field of batteries, and discloses a battery which comprises a shell, at least one end of the shell is open, and the shell wall of the shell is thinned at the open end so as to form at least one step structure in the shell; the cover plate blocks the opening and is welded to the shell, and the cover plate abuts against the step structure; wherein in the circumferential direction, surrounding the opening, of the shell, the perimeter of the shell is a, the total length of the step structure is b, and the formula that b / a is larger than or equal to 0.02 and smaller than or equal to 0.98 is met. According to the utility model, the ratio of the perimeter of the shell to the total length of the step structure is limited, so that the positioning effect of the step structure on the cover plate is ensured, the assembly quality and the welding quality of the cover plate and the shell are ensured, the shell wall of the opening end of the shell has enough thickness, and the service life of the shell is prolonged. Therefore, the structural strength of the shell is ensured, the welding requirements of the cover plate and the shell are met, and the problems of cracking of a welding wire and the like are avoided.

The solidification weld line is a comprehensive manifestation of the casting and rolling process. Addressing the "Ɔ"-shaped phenomenon of the solidification weld line in traditional casting and rolling processes, which leads to edge cracking and low yield in conventional cast and rolled sheets, this invention discloses a special electromagnetic casting roll for magnesium alloy casting and rolling. The roll includes a roll core, a roll sleeve, and end caps. A coil is uniformly wound between each water channel on the roll core, and a coil is uniformly wound inside the roll sleeve. The end caps are made of composite ceramic material, and an insulating gasket is placed between the end caps and the coils to ensure good insulation. A pre-reserved groove on the end caps is used to adjust the energization of the coils on the roll core. The annular coil is connected to a brush to ensure smooth external power supply to the roll core and roll sleeve. The end caps are used to fix the roll core and roll sleeve. This invention can directionally and quantitatively improve the morphology of the solidification weld line and control the temperature of the casting and rolling zone by adjusting the parameters of the pulse current and the casting and rolling process parameters. This effectively reduces segregation, refines grains, and homogenizes the microstructure in cast and rolled strips, thereby improving the yield and product performance of magnesium alloy cast and rolled strips.

This system provides a robotic system that allows for simple and objective verification of welding quality. [Solution] The robot system includes a deviation amount calculation unit 111 that calculates the amount of deviation from the welding position determined for each welding condition based on the detected value of an arc sensor used for tracing the welding line, a correction unit 112 that corrects the movement of the welding torch based on the calculated deviation amount, a standard deviation calculation unit 113 that calculates the standard deviation of the deviation amount, a score calculation unit 114 that calculates an evaluation score related to the quality of the welding based on the difference between the calculated standard deviation and the allowable standard value of the deviation amount, and an output unit 115 that outputs the calculated evaluation score.

An arc-welded joint and an arc-welding method are provided.An arc-welded joint according to the present invention is an arc-welded joint having a slag-to-coverage area ratio SRATIO (%) of 15% or less, wherein SRATIO is calculated using an equation SRATIO = 100 x SSLAG / SBEAD, where an area of ​​a weld bead surface formed by arc welding on a steel sheet is defined as a weld bead surface area SBEAD (mm2) and, of the weld bead surface area SBEAD, an area of ​​a region covered with slag is defined as a slag surface area SSLAG (mm2), and having a weld bead width ratio WRATIO (%) of 60% or more, wherein WRATIO is calculated using an equation WRATIO = 100 x WMIN / WMAX from a maximum value WMAX (mm) and a minimum value WMIN (mm) of a weld bead width in a direction perpendicular to a weld line of the weld bead.

This invention relates to the field of injection mold technology, and in particular to an injection mold and injection method for an automotive hood trim part. The mold includes a rear mold base with a rear mold core, a front mold base with a front mold core, and side slides. The rear mold core is used for injection molding the front of the trim part, the front mold core is used for injection molding the back of the trim part, the side slides are used for injection molding a simulated air inlet, and molding inserts are used for injection molding fasteners. The rear mold cavity has a first groove extending laterally, and the front mold protrusion has a first protrusion. The first protrusion and the first groove can enclose a secondary cavity for injection molding the trim ribs. The injection port of the front mold base has a nozzle that extends downwards and connects to the secondary cavity. Compared with existing technologies, this method facilitates injection from the back of the trim part and effectively shortens the flow path of the hot melt paste, fundamentally eliminating weld lines on the surface and eliminating the need for subsequent secondary processing.

An improved electronic oil pump includes a pump body and a pump cover fixed to one axial side of the pump body. The pump body features a shoulder in its middle section, with an annular retaining ring fitted between the shoulder and the pump cover. The retaining ring and shoulder clamp together to form a mounting groove, within which a sealing ring is installed. The pump cover is fixed to the pump body and restricts the axial movement of the retaining ring. This improved design allows for parting lines at any point axially avoiding the mounting groove during mold manufacturing, preventing weld lines within the mounting groove, reducing the radial clearance between the sealing ring and the pump body after installation, and improving the reliability of the electronic oil pump's connection to external equipment.

The utility model provides a kind of welding scarfs mechanism to solve the problem that tool is easily damaged. Scarfs mechanism includes rack, and the side of rack is equipped with feeding device, and rack is equipped with support piece, and rack includes lifting frame, and the bottom of lifting frame is fixed with main tool rest, and the side of main tool rest away from feeding device is equipped with multiple vice tool rest, and vice tool rest is located at the both sides of steel pipe respectively, and main tool rest or vice tool rest includes fixed plate, and inner slide has handle, and the side wall of fixed plate is equipped with limit plate, and the bolt is screwed on limit plate, and bolt is abutted with handle, and the bottom of handle is equipped with blade, and blade includes main blade and vice blade, and the cutting edge of main blade is perpendicular to the axis of the pipe to be polished, and the cutting edge of vice blade is obliquely arranged to welding line, and the end of vice blade cutting edge close to welding line is towards feeding device. The utility model can simultaneously plane multiple parts of steel pipe weld by the synergistic effect of main tool rest and vice tool rest, and reduce the resistance received by single tool in the process of planing.

The application discloses a PC / PPSU composite material and a preparation method and application thereof, and relates to the technical field of plastics. The PC / PPSU composite material comprises the following components in parts by weight: PC resin 24-91 parts; PPSU resin 29-82 parts; reinforcing agent 1.3-6 parts; and compatibility agent 0.4-6 parts. The reinforcing agent comprises at least one of carbon black and activated carbon, the specific surface area of the carbon black is 80-230 m 2 / g, and the iodine adsorption value of the activated carbon is not less than 700 mg / g. The PC / PPSU composite material has excellent heat resistance, welding line strength and leakage resistance.

An assembly is provided for induction welding. This assembly utilizes a plurality of heat shields (e.g., mica heat shields) that are aligned / disposed in end-to-end relation, with each such heat shield having a recess. An induction welding coil may be disposed within a heat shield recess during induction welding operations and is movable along a welding path while proceeding along the recesses of the various heat shields. This welding path may be axially extending or may be curved. The induction welding assembly may be used to induction weld a stiffener to a curved skin or shell, for instance where a base of the recess for each heat shield is curved such that the induction welding coil may be moved along a curved welding path and while maintaining a constant spacing between the induction welding coil and the recess base of the various heat shields.