2604results about "Welding apparatus" patented technology

This disclosure provides systems, methods, and apparatuses, including computer programs encoded on computer storage media, that provide for welding techniques for manufacturing robots, such multipass welding techniques for welding robots. For example, the welding techniques may enable generation of weld instructions based on a welding fill plan. The instructions may be generated based on a bead model or a table that indicates a wire feed speed, a travel speed, or a voltage. As another example, the techniques may enable generation of weld instructions based on the one or more dimensions of a seam. As another example, the techniques may enable generation of a joint model of a cross-section of a seam to be welded. The joint model may be generated based on a combination of a plurality of feature components to generate the joint model of the seam. Other aspects and features are also claimed and described.

The invention discloses a refrigeration pipe welding positioning method and device. The method comprises the following steps that S1, branch pipes are placed in all storage boxes; s2, the main pipeline is placed in a matching groove of the supporting frame, and the main pipeline is fixed through cooperation with a pressing ring; s3, a third electric cylinder is started, the third electric cylinder drives a supporting frame and the main pipeline to move to be close to the welding gun, and a branch pipe of the main pipeline moves to cross the welding gun; s4, a first electric cylinder is started, and the first electric cylinder drives a synchronous plate and an ejector sleeve to move; the motor, the first chain wheel, the second chain wheel, the chain and the hollow rotating disc are matched to drive the vortex line groove and linear groove linkage adjusting block and the rolling wheel to move, the purposes of clamping positioning and circle center correction of the branch pipe are achieved, the branch pipe is corrected to the position concentric with the disc, the coaxiality of the branch pipe and a main pipeline branch pipe is guaranteed, and the machining efficiency is improved. And the quality problems of insufficient welding, welding skips, poor welding seam forming and the like caused by positioning deviation are avoided.

The invention provides a flexible welding deformation control method and an obtained bogie framework, specifically, a deformation monitoring sensor used for collecting workpiece deformation and a force sensor used for collecting clamping force are installed on a workpiece clamp; the deformation monitoring sensor and the force sensor are connected with the data acquisition control module; the method comprises the following steps: pre-installing a workpiece on a clamp, and establishing a mapping relation among the workpiece, the clamp and each sensor in the clamp; according to historical welding data of the same type of structure, presetting reversible deformation parameters, collecting pre-welding reference data, verifying data of each sensor, and if reversible deformation is effective, entering a welding process monitoring state; welding machine signals and sensor data are collected in real time, the deformation state is processed and analyzed in real time, and adjustment suggestions are output; and after welding is completed, the deformation trend of the workpiece after loosening and clamping is judged in combination with sensor data, deformation data of the workpiece after loosening and clamping are collected, whether the deformation data are qualified or not is judged, and if not, adjustment and repair are conducted till the deformation data are qualified.

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.

A ship sub-assembly weld seam identification method, comprising: creating a point cloud weld seam identification training dataset by means of point cloud discretization, virtual sampling, weld-zone semi-automatic interactive annotation, and style transfer-based augmentation of ship sub-assembly CAD data; training a point cloud weld seam identification model, and exporting a weld seam identification model data file; using a 3D point cloud camera array as a sampling camera to collect workpiece 3D point cloud data of a sub-assembly workpiece to be welded at the production site; by means of the weld seam identification model data file, obtaining weld seam annotation position data and positioning a weld seam; and issuing a welding process plan and instruction to control a welding robotic arm and a control device therefor to complete sub-assembly workpiece welding. Also provided are a ship sub-assembly weld seam identification system, a computer device, and a computer-readable storage medium. The method overcomes the shortcomings in conventional 3D weld seam identification methods such as point cloud incompleteness and identification failures caused by steel types and the imaging angles of 3D cameras, thereby greatly improving the adaptability of automatic weld seam identification methods to complex workpieces.

The invention discloses a full-circle needle beam trolley and method based on compressed air energy storage and relates to the technical field of tunnel construction, the full-circle needle beam trolley comprises a needle beam assembly, and supporting legs are arranged at the bottoms of the front end and the rear end of the needle beam assembly; the template assembly is arranged outside the needle beam assembly in the front-back direction of the needle beam assembly, and the template assembly at least comprises a first template group and a second template group; the beam frame assembly is arranged on the outer side of the needle beam assembly, and a supporting piece is arranged between the beam frame assembly and the template assembly so as to connect the beam frame assembly and the template assembly; guide mechanisms are arranged at the front end and the rear end of the needle beam assembly, so that the beam frame assembly drives the supporting piece and the template assembly to slide forwards and backwards along the needle beam assembly under the traction of the guide mechanisms. According to the embodiment of the invention, modular trolley, closed-loop sensing and automatic welding / grouting are realized, template positioning and welding seam and grouting quality are ensured, and leakage and reworking risks are reduced.

The invention relates to the technical field of pipe truss tubular joint welding quality control, in particular to an assembly type pipe truss tubular joint butt-joint tensioning anti-deformation welding method and system which comprises the following steps that S1, an intersecting line is divided in the circumferential direction, and butt-joint references and deformation monitoring point positions of all partitions are calibrated; s2, circumferential distributed tensioning force application point positions are set; s3, a differential pre-tightening force gradient in the circumferential direction of the intersecting line is set, and pre-tensioning force is applied; s4, synchronous cooperation of tensioning actions and deformation control of all the to-be-welded nodes is carried out; s5, welding is conducted in a partitioned and segmented mode, and the pre-tensioning force of the partition corresponding to the intersecting line is dynamically adjusted in the welding process; and S6, after welding, the pre-tensioning force of each subarea is released, and node deformation checking and precision correction are synchronously completed after force release. According to the dynamic pre-tightening force adjusting method for partition differentiation pre-tightening force gradient distribution and welding thermal cycle time sequence matching, the residual stress peak value of the node core area is greatly reduced, and the welding quality and the structural safety of the tubular node are remarkably improved.

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 invention discloses a hollow anchor rod rolling rib welding system. The hollow anchor rod rolling rib welding system comprises a storage rack, a feeding device, a conveying device, a rolling rib device, a discharging device and a welding device. The storage rack is used for storing a base material; the feeding device is used for moving a base material on the material storage frame into a material conveying groove of the conveying device, and the conveying device is used for driving the base material to move in the material conveying groove in the first direction; the feeding end of the rib rolling device and a conveying groove of the conveying device are correspondingly arranged in the first direction, a base material can be conveyed to the feeding end of the rib rolling device through the conveying device, and the rib rolling device is used for conducting rib rolling machining on the base material to form a rod body; the discharging device is arranged at the discharging end of the rib rolling device, and the welding device is used for grabbing the drill bit and welding the drill bit and the rod body on the discharging device in an aligned mode. The hollow anchor rod rolling rib welding system is high in automation degree and production efficiency.

The invention relates to the technical field of photovoltaic panel welding, in particular to a workpiece feeding device of a bus bar welding machine, which comprises two fixing frames, feeding devices, a supporting device and a pushing device, the uniformly distributed feeding devices are mounted at the top of the fixing frames, the supporting device is arranged between the two fixing frames, and the pushing device is mounted on the top of the fixing frames. The device comprises a fixed frame, a driving motor, a driving shaft, a mounting frame, a fixed plate, a driving belt pulley, a driven belt pulley, a belt main body, a fixed shell, a supporting shell, a supporting wheel, a limiting plate, a threaded rod, a nut, a limiting rod, a rubber ring, a pushing spring and a dismounting main body, the driving belt wheel, the belt main body and the driven belt wheel can be driven to rotate through the driving motor and the driving shaft, the belt main body is attached to the supporting wheel so as to support the belt main body, the belt main body can be attached to the photovoltaic module all the time, and stable feeding of the photovoltaic module is guaranteed.

The invention belongs to the technical field of tower foot manufacturing, and relates to an automatic clamping device and method for a power tower foot. In the automatic clamping device, a clamping mechanism comprises two right-hand and left-hand trapezoidal lead screws, clamping jaws are movably installed on the right-hand and left-hand trapezoidal lead screws and located on the same horizontal plane, a driving mechanism comprises a driving motor and a cog belt assembly, a rotating shaft of the driving motor is connected with the cog belt assembly, and the cog belt assembly is in meshing transmission connection with the right-hand and left-hand trapezoidal lead screws. According to the automatic clamping method, the inclination angle of the clamping jaws is adjusted to be matched with the shape of a workpiece, the rotating shaft of the driving motor rotates forwards to control the forward and reverse thread trapezoidal lead screw to rotate, the clamping jaws automatically center and clamp the workpiece for welding, the rotating shaft of the driving motor rotates backwards after welding is completed, and the clamping jaws move outwards to loosen the workpiece. The clamping jaw can be controlled to automatically center and clamp a power tower foot workpiece, and the clamping accuracy is improved; and during feeding, balls of the bull eye bearings make contact with the workpieces, and the feeding and discharging efficiency of the workpieces is improved.

The invention provides a multi-machine cooperation-oriented welding robot cluster task scheduling and path planning system, which relates to the technical field of robot welding and cooperative control, and comprises a dynamic working condition sensing module, a task scheduling module, a path planning module, a self-adaptive dynamic adjustment module, a cluster communication module and an execution terminal, the dynamic working condition sensing module is used for collecting geometrical characteristic parameters of a welding workpiece, robot operation state parameters, welding process parameters and working environment information in real time; multi-dimensional working condition data are collected in real time through the dynamic working condition sensing module, dynamic optimal distribution of welding tasks is achieved in combination with a dynamic task partitioning and workload balancing algorithm, the load balancing degree of a robot cluster is improved, and compared with an existing static task distribution scheme, the workload balancing coefficient stably reaches 95% or above, and the working efficiency is improved. And the problems that part of robots are overloaded and part of robots are idle are solved, and the operation efficiency of multi-robot collaborative welding is effectively improved.

The invention relates to the technical field of welding equipment, and discloses an automatic bearing carrier roller welding device and method. The device comprises a rotary driving assembly, a supporting and clamping assembly, a follow-up translation assembly and two welding assemblies, wherein the rotary driving assembly, the supporting and clamping assembly and the follow-up translation assembly are sequentially arranged side by side in the same direction, and the two welding assemblies are located at the two ends of the supporting and clamping assembly and used for welding the bearing carrier roller. According to the device, through cooperative layout of rotary driving, supporting clamping, follow-up translation and a double-welding assembly, the elastic self-adaptive clamping and lifting calibration functions of the supporting clamping assembly are combined, and the two-end jacking rotation design of follow-up translation and rotary driving is adopted, so that automatic integrated operation of carrier roller welding is achieved; the adaptability and the positioning welding accuracy of the carrier rollers of multiple specifications are improved, the efficiency is improved through double-end synchronous welding, the welding seam quality is guaranteed, meanwhile, labor dependence is reduced, and the large-scale standardized production requirement is met.

The invention discloses a framework chip assembly assembling device which comprises a workbench, a rotating disc, a framework feeding module, a chip feeding module, a press-fitting module, a third moving mechanism and a welding module, the framework feeding module, the chip feeding module and the press-fitting module are arranged around the rotating disc, and the third moving mechanism and the welding module are arranged on the workbench. A first station, a second station, a third station, a fourth station and a fifth station are sequentially arranged on the workbench; the rotary table is rotationally connected to the upper portion of the workbench, and the rotary table can rotate relative to the workbench so that the profiling tools can move to the positions below the framework feeding module, the chip feeding module and the press-fitting module correspondingly; the framework feeding module is arranged above the workbench and is close to the first station; the chip feeding module is arranged above the workbench and is close to the second station; the press-fitting module is arranged above the workbench and is close to the third station; and the welding module is arranged at the fifth station. The assembly time can be shortened, the assembly efficiency is improved, and the labor intensity of workers is reduced.

The present disclosure provides a battery welding defect detection system, method, device, and storage medium, wherein the system includes: the acquisition processing module, configured to acquire the welding image of the battery welding object and pre-process the welding image to obtain the processed welding image; the defect statistic module, configured to classify and count the processed welding image based on the target detection model to obtain the plurality of battery candidate frames; and the detection analysis module, configured to obtain the corresponding battery detection result according to the preset threshold and the battery candidate frames by the target detection model. The present disclosure performs the defect defection on the processed battery welding image based on the target detection model, thereby significantly improving the detection efficiency and the accuracy of the results, and at the same time effectively reducing the production cost.

The invention discloses a welding device for electronic components, which belongs to the technical field of electronic component processing and comprises a workbench, a clamping mechanism for fixing a circuit board is mounted on the workbench, and a turnover mechanism is mounted on the workbench. The turnover mechanism comprises a motor fixedly connected to the workbench, a turnover reciprocating screw rotationally installed on the workbench and a turnover guide rod fixedly connected to the workbench, a first gear is fixedly connected to an output shaft of the motor, and a second gear meshed with the first gear is fixedly connected to the turnover reciprocating screw. The turnover reciprocating screw and the turnover guide rod are both sleeved with lifting plates, the lifting plates are in threaded connection with the turnover reciprocating screw, lifting shafts are rotationally installed on the two lifting plates, a turnover frame is arranged on the workbench, the clamping mechanism is installed in the turnover frame, the two lifting shafts are both fixedly connected with the turnover frame, and a vertical plate is fixedly connected to the workbench. The problem that the welding efficiency of the electronic element is low is solved.

The invention relates to the technical field of metal welding equipment, discloses a local hot melt welding device for a curtain wall aluminum plate, and aims to solve the problems that in the prior art, when a thin aluminum plate and a reinforcing rib are welded, fusion penetration, collapse and insufficient fusion depth are prone to occurring, and consequently the connection strength is not high. The device comprises a welding operation table, a supporting back plate, a clamping mechanism, a front limiting mechanism and a rear limiting mechanism, the front limiting mechanism and the rear limiting mechanism are arranged on the two sides of a welding gun, and the front limiting mechanism is provided with an inclined connecting part inserted into a welding seam and an arc-shaped bottom supporting strip and used for supporting a molten pool to prevent falling and guiding welding fluid to deeply fill so as to increase the combination area; the rear limiting mechanism trims a welding seam through the side edge of the notch and supplies protective gas, oxidation is prevented, heat dissipation is assisted, meanwhile, the device is provided with an angle limiting mechanism, the inclination angle of a welding gun can be accurately controlled, excessive heat concentration is avoided, the welding operation difficulty is reduced through structure optimization, and the welding efficiency is improved. And the welding seam quality, the connection strength and the safety and durability of the curtain wall structure are effectively improved.

The invention relates to welding equipment for oil pipe machining and a manufacturing process, and belongs to the technical field of welding. The device comprises a rack, an annular rail, a walking vehicle, an arc-shaped rail, a support and a welding gun clamping seat, a positioning mechanism used for keeping coaxial butt joint of two oil pipes to be welded is arranged on the rack, and the axis of the annular rail extends leftwards and rightwards and is used for being fixedly arranged on the outer side of one oil pipe in a sleeving mode; the walking vehicle is slidably installed on the annular track in the extending direction of the annular track, the arc-shaped track is connected to the walking vehicle, the plane where the arc-shaped track is located is perpendicular to the radius of an oil pipe to be welded, and an arc-shaped opening of the arc-shaped track faces a weld joint. The welding gun clamping base can be movably installed on the support in the radius direction of the arc-shaped rail, and a third walking driving structure used for driving the welding gun clamping base to move in a reciprocating mode is arranged between the support and the welding gun clamping base. The stability of the oil pipe weldment can be improved.

The invention discloses an electric pole steel reinforcement framework welding positioning process regulation and control method, and relates to the technical field of electric pole steel reinforcement framework intelligent welding positioning. The nodes are synchronously locked in the dynamic adjustment process; dynamically optimizing a welding process parameter strategy; collaborative closed-loop regulation and control of positioning welding collaborative parameters are completed; and evaluating the geometric dimension after welding. High-precision positioning and self-adaptive control in the whole welding process of the electric pole steel reinforcement framework are achieved, it is ensured that the framework structure meets the concrete pouring requirement, welding consistency, size stability and the automation level are greatly improved, the defects that a traditional method depends on manpower, clamps are simple, and dynamic feedback is lacked are overcome, and the production efficiency is improved. And a reliable technical support is provided for intelligent manufacturing of the electric pole.

The invention provides a welding method and system for cooperative control of a movable chassis and a mechanical arm of a movable welding platform, which can realize synchronous control of chassis movement and mechanical arm welding, and comprises the following steps: step 1, acquiring path information of a target welding seam to be welded and real-time pose information of the movable chassis in a global coordinate system in real time; 2, a unified system kinematics model of the chassis and the mechanical arm is established, and according to the unified system kinematics model, the target welding seam path is decomposed into a chassis target track of the movable chassis and a mechanical arm target track of the mechanical arm; step 3, controlling the mobile chassis to advance along the chassis target track; and 4, according to the deviation between the real-time pose information of the movable chassis and the chassis target track, the compensation motion needing to be executed by the mechanical arm is obtained through calculation in combination with the mechanical arm target track, and the mechanical arm executes the compensation motion.

The invention discloses an automatic circular seam welding device for a large sewage storage tank, and relates to the technical field of welding, the automatic circular seam welding device comprises a machining table, and a positioning plate is fixedly connected to the top of the machining table. A workpiece is located on the outer side of the roller by means of self-weight, the radial position of the workpiece is preliminarily limited by the roller, the springs and the damping dampers which are distributed at equal intervals are installed between the buffering cushion block and the limiting frame, the buffering protection effect is achieved, welding accuracy is improved, manual operation is replaced by automatic welding through cooperation, and welding efficiency is improved. Welding parameters are stable, the quality far exceeds that of manual work, workpieces with different diameters and wall thicknesses can be rapidly adapted by replacing a limiting roller, a gear disc and an adjusting shifting block, the equipment adjusting time is greatly shortened, meanwhile, the multiple functions of groove machining, welding, environment purification, real-time monitoring and the like are integrated, and the intelligent management level is improved.

The invention relates to the technical field of welding, and discloses a complex sheet metal frame cabinet tailor-welding method which comprises the following steps: S1, splitting: assembling an upper frame, a lower frame and a middle stand column according to a design structure of a frame cabinet; s2, bending is conducted, specifically, corners of the upper frame, the lower frame and the middle stand column are bent; s3, splicing is conducted, specifically, the upper frame, the lower frame and the middle stand columns are spliced into a frame, and the middle stand columns are clamped in the bent positions; and S4, welding is conducted, specifically, the spliced exposed parts of the upper frame, the lower frame and the middle stand column are welded. Through the four-step process of modular splitting, precise bending, mechanical interlocking and flat welding optimization, an innovative frame of mechanical positioning and then welding fixing is constructed, welding deformation is controlled from the source, the assembly consistency is improved, mechanical structure design and the welding process are deeply coupled, and the welding efficiency is improved. And a dual anti-deformation mechanism of physical interlocking constraint and welding heat input control is formed.

The utility model belongs to the technical field of reinforcing steel bar floor support plate machining, and discloses a follow-up welding device which comprises a rack, a feeding device, a fixed welding assembly, a movable welding assembly and a transformer, and a reinforcing steel bar truss to be welded and a bottom plate are both arranged on the rack; the feeding device is arranged on the rack in a sliding mode and used for conducting synchronous stepping conveying on a steel bar truss and a bottom plate. The fixed welding assembly is fixedly arranged on the rack and is used for welding the steel bar truss and the bottom plate at the first position; the movable welding assembly is arranged on the feeding device and used for welding the steel bar truss and the bottom plate in the stepping conveying process. The fixed welding assembly and the movable welding assembly are both electrically connected with the transformer. Alternate welding of the fixed welding assembly and the movable welding assembly is achieved, impact on a power grid in the welding process is reduced, and working efficiency is greatly improved.

The invention discloses a welding control method, system and equipment of a welding robot and a medium. The welding control method comprises the steps that an environment state vector is determined based on obtained environment data of an offshore converter; judging whether the marine environment is stable or not based on the environment state vector, and if the marine environment is stable, inputting the historical welding data and the environment state vector into a neural network model to obtain a residual stress prediction sequence; calculating a deviation vector based on the residual stress prediction sequence and a preset stress threshold value, generating a parameter optimization sequence based on the deviation vector, and fusing the attitude adjustment signal and the parameter optimization sequence to generate an optimized welding planning path; and according to the real-time welding data and the welding planning path, an attitude parameter fusion vector is generated, and a welding robot is driven to weld the offshore converter station based on the attitude parameter fusion vector. Therefore, accurate and self-adaptive regulation and control of the welding residual stress of the welding robot can be realized.

The invention relates to a three-dimensional trapezoidal weld joint identification method and system based on geometric analysis and Transform, and belongs to the technical field of computer vision and robots. According to the method, the geometric analysis algorithm and the neural network model are combined, the three-dimensional welding scene obtained through line laser scanning is processed, and the key coordinate points of the trapezoidal welding seam are automatically recognized. The system comprises an acquisition module, a point cloud data preprocessing module, a geometric analysis module and a deep learning optimization module which are respectively used for obtaining point cloud, filtering, denoising and feature processing, extracting geometric features and preliminarily estimating key points, and optimizing the key points based on a neural network of a Transform structure, and the output of the system can be used for robot path planning. According to the invention, high-precision and real-time welding seam identification can be realized in a high-altitude or complex-posture pipeline welding scene, and the automation and intelligence level of welding quality detection is improved. The method has high accuracy and robustness, the robot can be efficiently guided to weld the high-altitude pipeline, and more accurate operation is achieved.

The invention discloses a welding device for parts of a feed grinder, and belongs to the technical field of metal plate welding. Comprising a feeding mechanism, a clamping and angle adjusting mechanism, a welding mechanism, a moving mechanism and an auxiliary function assembly, the feeding mechanism conveys plates, the clamping and angle adjusting mechanism achieves accurate clamping and posture adjustment of the plates, the welding mechanism welds the butt joint positions of the plates, and the moving mechanism drives all the mechanisms to move cooperatively. The auxiliary function assembly comprises a rotating assembly used for cleaning impurities on the end face of the plate, an air blowing and sucking assembly and a gas flow rate sensor used for detecting the sealing performance of the weld joint, and intelligent impurity cleaning, weld joint detection and defect repair welding can be achieved. The problems that existing welding equipment is low in automation degree, poor in positioning precision, incomplete in impurity cleaning and lack of a detection and repair mechanism are solved, the welding efficiency and the welding seam quality are improved, and the large-scale production requirements of feed grinder parts are met.

The invention discloses building steel frame welding equipment and aims to solve the problem of low welding efficiency in existing welding operation. According to the technical scheme, the machine is characterized by comprising a rack; the moving mechanism is arranged on the rack; the clamping mechanism is arranged on the moving platform and used for positioning and clamping the steel frame workpiece in the welding process; the welding mechanism is arranged on the rack and located above the moving mechanism; and the control unit is electrically connected with the first driving assembly, the second driving assembly, the third driving assembly and the clamping mechanism and used for controlling coordinated actions of all the mechanisms. Movement, clamping, welding and other actions are coordinated in a unified mode through the control unit, automation of the whole process from clamping to welding is achieved, and the manual labor intensity and the operation difficulty are remarkably reduced.

A production method for a steel component includes preparing a patchwork material including steel sheets that are laid one on another, at least one of overlap surfaces of the steel sheets including a zinc-based plating layer, heating the patchwork material, and performing hot stamping on the patchwork material heated to form the steel component in which a joint part between the steel sheets is disposed in a bent area. When tout denotes a sheet thickness of a steel sheet located on an outer side in the bent area, and tin denotes a sheet thickness of a steel sheet located on an inner side, tout / tin≥1.1 is satisfied. The joint part is disposed in a ridge portion or at a position in a vicinity of the ridge portion, and the position satisfies d / tin<8.2, where d denotes a distance from the ridge portion to the joint part.