A high-efficiency welding device for automotive control arms and a welding process based thereon.

Abstract

This invention discloses a high-efficiency welding device for automotive control arms and a welding process based thereon. The device includes: a robotic arm, a welding torch mounted on the robotic arm, a detection device at the end of the robotic arm, and a multi-axis device connected to the detection device via a telescopic device. The welding torch is mounted on the multi-axis device. The detection device can identify the shape, size, and position of the workpiece to be processed and retrieve different processing programs according to different workpieces. This allows the invention to provide a choice between a multi-model adaptive mode and a single-model batch processing mode. When processing small batches of multiple workpieces, the multi-model adaptive mode can be used, eliminating the need for manual monitoring, program changes, and workpiece replacements, thereby significantly improving production efficiency. When mass-producing a single workpiece model, the single-model batch processing mode can be used, further enhancing processing efficiency.

Description

Technical Field

[0001] This invention relates to the field of welding technology, and more specifically, to a high-efficiency welding device for automotive control arms and a welding process based thereon. Background Technology

[0002] Patent CN202410802193 discloses a welding device for processing automotive swing arms. Its purpose is to automate workpiece supply through a rotating mechanism, reducing manual workpiece placement time and improving production efficiency. While this shortens manual loading time, it still has some drawbacks. For example, when switching between different workpiece models, manual program resetting is necessary; in mass production, welding can only be performed directly, without monitoring the workpiece position, spacing, and yield rate. If the workpiece mounting position on the rotating mechanism changes, issues such as welding torch collisions, excessive spacing preventing welding, or workpiece relative position deviations leading to low yield rates after welding can easily occur. Therefore, the technical problems this invention aims to solve are: how to enable the welding device to adapt to various workpiece models without manual program adjustments; how to detect the workpiece placement, relative distance, and integrity before processing; and how to improve processing efficiency. Summary of the Invention

[0003] The summary section introduces a series of simplified concepts, which will be further explained in detail in the detailed description section. The summary section of this invention is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0004] To at least partially solve the above problems, the present invention provides an efficient welding device for automotive control arms and a welding process based thereon, comprising: a robotic arm, and a welding torch disposed on the robotic arm, further comprising: a detection device disposed at the end of the robotic arm, and a multi-axis device connected to the detection device via a telescopic device, wherein the welding torch is disposed on the multi-axis device.

[0005] Preferably, the detection device consists of a connector connected to the end of the robotic arm, an L-shaped mounting plate, and a sensor assembly mounted on the mounting plate. The connector is mounted on the vertical side of the mounting plate, while the sensor assembly and the telescopic device are mounted on the horizontal side of the mounting plate. A tie rod is provided between the vertical and horizontal sides of the mounting plate.

[0006] Preferably, the telescopic device consists of a drive device and a telescopic rod. The drive device is disposed on the top surface of the horizontal plate of the mounting plate. One end of the telescopic rod is connected to the drive device, and the other end passes through the horizontal plate of the mounting plate and is connected to the multi-axis device.

[0007] Preferably, the sensor assembly consists of two symmetrically arranged detectors and a visual recognition device. The detectors are connected to the horizontal plate of the mounting plate via a connecting plate, and the two sets of detectors are respectively installed on two opposite side walls of the horizontal plate of the mounting plate. The visual recognition device is installed on the side wall of the horizontal plate of the mounting plate.

[0008] Preferably, the detector is provided with two probes, which are movably connected to the detector, and the bottom of the probes is spherical;

[0009] When the detection device confirms the X, Y, and Z axis coordinates of workpieces A and B, the bottom of the welding torch is positioned above the probe.

[0010] When the welding torch is used to weld workpieces A and B, the bottom of the welding torch is located below the probe.

[0011] Preferably, the multi-axis device consists of a first rotating device and a second rotating device. The first rotating device is disposed on the top of the multi-axis device and is movably connected to the telescopic device. The second rotating device is disposed on the side wall of the multi-axis device and is movably connected to the welding torch. The central rotation axis of the first rotating device is normal to the central rotation axis of the second rotating device.

[0012] The welding process based on the high-efficiency welding device for automotive swing arms consists of the following steps:

[0013] The transfer device places workpieces A and B, which are to be welded, onto the platform;

[0014] The high-efficiency welding device is activated, and its robotic arm moves the detection device and welding torch above the platform.

[0015] The detection device takes pictures of the workpieces to identify the marking points of workpieces A and B, and confirms and retrieves the processing program by using the marking points of workpieces A and B.

[0016] The robotic arm moves the detection device downwards, confirms the X, Y, and Z axis coordinates of workpieces A and B, and then moves it upwards.

[0017] The telescopic device drives the multi-axis device to move downward, so that the welding torch reaches the processing position;

[0018] The welding torch performs welding operations on workpieces A and B according to the program. During the welding process, the multi-axis device drives the welding torch to move along the machining surface.

[0019] After welding is completed, the transfer device will transfer the welded workpiece from the platform and place workpieces A and B to be welded on the platform.

[0020] Preferably, after starting the high-efficiency welding device, select either the multi-model adaptive mode or the single-model batch processing mode;

[0021] In the multi-model adaptive mode, after each photo recognition of the workpiece A and workpiece B's marker points and outer contours, the marker points and processing program are confirmed. To avoid collisions, the robotic arm drives the detection device to move slowly downwards, and the probes of the two sets of detectors simultaneously touch workpiece A and workpiece B to perform X, Y, and Z axis coordinate detection.

[0022] In the single-model batch processing mode, after each workpiece is photographed and the marked points and outer contours of workpiece A and workpiece B are identified, the robotic arm drives the probed workpiece to move quickly to the designated position after comparing the images to see if the marked points and outer contours have shifted. Then, the probes of the two sets of detectors simultaneously touch workpiece A and workpiece B to perform X, Y, and Z axis coordinate detection.

[0023] Preferably, workpiece A and workpiece B have at least 3 marking points. After the visual recognition device takes a picture, it identifies the marking points of workpiece A and workpiece B, as well as the outer contours of workpiece A and workpiece B, confirms the joint between workpiece A and workpiece B, and establishes a coordinate system with the center point of the joint as the origin.

[0024] Confirm the shape of workpiece A and workpiece B, and call the corresponding machining program. At the same time, confirm whether workpiece A and workpiece B meet the machining requirements. If the relative position of the marker point and the outer contour is inconsistent, or the outer contour shape is inconsistent, or the distance between workpiece A and workpiece B exceeds the machining range, stop the subsequent machining and issue an alarm.

[0025] If both workpiece A and workpiece B meet the processing standards, proceed with the subsequent processes.

[0026] Preferably, after the visual recognition device identifies and detects workpieces A and B and retrieves the corresponding program, the robotic arm moves the detector downwards.

[0027] The two sets of detectors are detector A and detector B. Detector A detects the coordinates of workpiece A, and detector B detects the coordinates of workpiece B.

[0028] The two probes of detector A will contact workpiece A, and the two probes of detector B will contact workpiece B, thereby obtaining the height coordinates of workpiece A and workpiece B, and then confirming whether workpiece A and workpiece B are coplanar or whether there is a height difference.

[0029] If the height difference between workpiece A and workpiece B exceeds the preset range, subsequent processing will be stopped and an alarm will be issued.

[0030] Compared with the prior art, the present invention has at least the following beneficial effects:

[0031] The detection device can identify the shape, size, and position of the workpiece to be processed, and retrieve different processing programs according to different workpieces. This allows the invention to offer a choice between a multi-model adaptive mode and a single-model batch processing mode. When processing small batches of multiple workpieces, the multi-model adaptive mode can be used, combined with a transfer device to automatically pick up finished products and place workpieces to be processed. This enables automated processing of multiple types of workpieces without manual supervision, program changes, or workpiece replacements, thus significantly improving production efficiency. When mass-producing a single type of workpiece, the single-model batch processing mode can be used. In this mode, because there is no need to change the processing program, the detection efficiency of the detection device on the workpiece to be processed is significantly improved compared to the multi-model adaptive mode, thereby greatly increasing processing efficiency.

[0032] The high-efficiency welding device for automotive control arms and the welding process based thereon described in this invention, along with other advantages, objectives, and features of this invention, will be partly apparent from the following description and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0033] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0034] Figure 1 This is a schematic diagram of the high-efficiency welding device for automotive swing arms described in this invention (welding torch and multi-axis device are not shown).

[0035] Figure 2 for Figure 1 A schematic diagram of the detection device (welding torch and multi-axis device are not shown).

[0036] Figure 3 This is a schematic diagram of the detection device when the bottom of the welding torch is above the probe.

[0037] Figure 4 A schematic diagram of the detection device during welding with a welding torch.

[0038] Figure 5 This is a schematic diagram of a multi-axis device.

[0039] In the diagram: 1. Robotic arm, 2. Welding torch, 3. Detection device, 31. Connector, 32. Mounting plate, 33a and 33b detectors, 34. Visual recognition device, 35. Probe, 4. Telescopic device, 41. Drive device, 42. Telescopic rod, 5. Multi-axis device. Detailed Implementation

[0040] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments, so that those skilled in the art can implement it based on the description.

[0041] It should be understood that terms such as “having,” “comprising,” and “including” as used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0042] like Figures 1-5 As shown, the present invention provides an efficient welding device for automotive swing arms, including: a robotic arm 1, and a welding torch 2 disposed on the robotic arm 1, and further including: a detection device 3 disposed at the end of the robotic arm 1, and a multi-axis device 5 connected to the detection device 3 via a telescopic device 4, wherein the welding torch 2 is disposed on the multi-axis device 5.

[0043] The working principle and beneficial effects of the above technical solution are as follows: Through the design of the above structure, the detection device 3 can identify the shape, size, and position of the workpiece to be processed, and retrieve different processing programs according to different workpieces. This allows the invention to provide a choice between a multi-model adaptive mode or a single-model batch processing mode. When processing small batches of multiple workpieces, the multi-model adaptive mode can be used, combined with a transfer device to automatically pick up finished products and place workpieces to be processed, enabling automated processing of multiple types of workpieces without manual supervision, program changes, or workpiece replacements, thus significantly improving production efficiency. When mass-producing a single-model workpiece, the single-model batch processing mode can be used. In this mode, because there is no need to change the processing program, the detection efficiency of the detection device 3 on the workpiece to be processed can be significantly improved compared to the multi-model adaptive mode, thereby greatly improving processing efficiency.

[0044] Furthermore, the detection device 3 comprises a connector 31 connected to the end of the robotic arm 1, an L-shaped mounting plate 32, and a sensor assembly disposed on the mounting plate 32. The connector 31 is disposed on the inner side of the vertical plate of the mounting plate 32 and located at the top of the vertical plate. The top surface of the connector 31 is connected to the end face of the robotic arm 1, and a gap is left between the bottom surface of the connector 31 and the top surface of the horizontal plate of the mounting plate 32 for mounting the drive device 41 of the telescopic device 4, such as... Figure 2As shown, both the sensor assembly and the telescopic device 4 are mounted on the horizontal plate of the mounting plate 32. A tie rod is provided between the vertical plate and the horizontal plate of the mounting plate 32. In this embodiment, an L-shaped mounting plate 32 is used for easy disassembly and maintenance of the telescopic device 4, instead of a U-shaped mounting plate 32 which has higher stability. This also leads to the risk that the horizontal plate of the mounting plate 32 may be deformed by downward pressure after the sensor assembly and the telescopic device 4 are suspended for a long time. Therefore, by providing a tie rod between the inner side of the vertical plate and the top surface of the horizontal plate, the deformation of the horizontal plate caused by its own weight is reduced.

[0045] Furthermore, the sensor assembly consists of two symmetrically arranged detectors 33a and 33b, and a visual recognition device 34. The detectors 33a and 33b are connected to the horizontal plate of the mounting plate 32 via a connecting plate, and the two sets of detectors 33a and 33b are respectively mounted on two opposite sidewalls of the horizontal plate of the mounting plate 32. Figures 2-4 As shown, detector 33a is used to detect workpiece A, and detector 33b is used to detect workpiece B, so that the two detectors can simultaneously obtain the coordinates of the two workpieces. The visual recognition device 34 is set on the side wall of the mounting plate 32 in the horizontal direction, usually located between the two detectors, such as... Figure 2 As shown. Each of the detectors 33a and 33b is equipped with two probes 35, which are movably connected to the detectors 33a and 33b. The bottom of each probe 35 is spherical. Because the visual recognition device 34 can acquire the horizontal coordinates of the workpiece by taking a picture, the main purpose of the probe 35 is to acquire the vertical coordinates of the workpiece surface. It should be noted that the probe 35 can also be used to acquire the horizontal coordinates of the workpiece by simply touching the side of the workpiece. The purpose of having two probes 35 on each detector is to acquire the vertical coordinates of different points on the same workpiece and the same surface simultaneously. By using the difference between the two vertical coordinates, it can be determined whether the workpiece has an uneven surface, thus improving the yield rate after processing. In this embodiment, the detectors, probes 35, and visual recognition device 34 are all commercially available products or existing technologies.

[0046] It is important to note that:

[0047] When the detection device 3 confirms the X, Y, and Z axis coordinates of workpieces A and B, the telescopic device 4 moves the welding torch 2 upwards, as... Figure 3 As shown, this positions the bottom of the welding torch 2 above the probe 35, thus preventing the welding torch 2 from colliding with the workpiece during the detection process.

[0048] When welding torch 2 welds workpieces A and B, the telescopic device 4 moves welding torch 2 downwards, such as... Figure 4As shown, this positions the bottom of the welding torch 2 below the probe 35, preventing the probe 3 from colliding with the workpiece during conformal welding.

[0049] Furthermore, the telescopic device 4 consists of a drive device 41 and a telescopic rod 42. The drive device 41 is disposed on the top surface of the horizontal plate of the mounting plate 32, located between the bottom surface of the connector 31 and the top surface of the horizontal plate of the mounting plate 32. Figure 2 As shown, one end of the telescopic rod 42 is connected to the drive device 41, and the other end passes through the horizontal plate of the mounting plate 32 and is movably connected to the multi-axis device 5. Both the drive device 41 and the telescopic rod 42 are commercially available products or existing technologies. The telescopic device 4 is mainly used to control the relative position between the welding torch 2 and the detection device 3.

[0050] Furthermore, the multi-axis device 5 consists of a first rotating device and a second rotating device. The first rotating device is located on the top of the multi-axis device 5 and is movably connected to the telescopic device 4. The second rotating device is located on the side wall of the multi-axis device 5 and is movably connected to the welding torch 2. The central rotation axis of the first rotating device is normal to the central rotation axis of the second rotating device. Both the first and second rotating devices are commercially available products or existing technologies. The first rotating device is used to drive the multi-axis device 5 to rotate relative to the telescopic rod 42, and the second rotating device is used to drive the welding torch 2 to rotate relative to the multi-axis device 5. By setting up the multi-axis device 5, the robotic arm 1 does not need to swing significantly during the welding process, thereby avoiding collisions between the detection device 3 and the workpiece caused by the robotic arm 1 swinging significantly. During processing, the robotic arm 1 is mainly used to control the translation of the welding torch 2. The telescopic device 4 and the multi-axis device 5 can form a small three-axis system, allowing the welding torch 2 to move along the shape of the workpiece. This ensures that, without increasing the size of the equipment, the welding process will not affect the detection device 3, and the welding torch 2 can also achieve conformal welding, improving the adaptability of this device to welding complex workpieces.

[0051] This invention also provides a welding process based on an efficient welding device for automotive control arms, the steps of which are as follows:

[0052] The transfer device places workpieces A and B, which are to be welded, onto the platform;

[0053] The high-efficiency welding device is activated, and the robotic arm 1 of the high-efficiency welding device moves the detection device 3 and the welding torch 2 to the top of the platform;

[0054] The detection device 3 takes pictures of the workpieces to identify the marking points of workpieces A and B, as well as their outer contours, and confirms whether workpieces A and B meet the dimensional requirements. Typically, each workpiece has at least 3 marking points. When identifying the marking points, workpiece A provides 3 marking points and workpiece B provides 3 marking points. By identifying the marking points of workpieces A and B, the model and relative position relationship of workpieces A and B can be confirmed. It can be determined whether there is relative rotation or relative displacement between the two workpieces, thereby determining whether the weld meets the welding requirements. For example, when workpiece A rotates relative to workpiece B, the gap between the two workpieces may be larger at one end and smaller at the other. At this time, it is necessary to determine whether the gap is within the tolerance range. If it exceeds the tolerance range, the subsequent process is stopped and an alarm is issued. After confirming the type of workpiece to be processed by the marking points, the corresponding processing program is retrieved.

[0055] Robotic arm 1 moves the detection device 3 downwards, confirms the X, Y, and Z axis coordinates of workpiece A and workpiece B, and then moves upwards;

[0056] The telescopic device 4 drives the multi-axis device 5 to move downward, so that the welding torch 2 reaches the processing position;

[0057] The welding torch 2 performs welding operations on workpieces A and B according to the program. During the welding process, the multi-axis device 5 drives the welding torch 2 to move along the machining surface.

[0058] After welding is completed, the transfer device will transfer the welded workpiece from the platform and place workpieces A and B to be welded on the platform.

[0059] Furthermore, after starting the high-efficiency welding device, select either the multi-model adaptive mode or the single-model batch processing mode;

[0060] In the multi-model adaptive mode, after each photograph of the workpiece to identify the marking points and outer contours of workpiece A and workpiece B, the marking points and processing program are confirmed. To avoid collisions, the robotic arm 1 moves the detection device 3 slowly downwards. The probe 35 of the detector 33a touches the top surface and / or side surface of workpiece A, and the probe 35 of the detector 33b touches the top surface and / or side surface of workpiece B to perform X, Y, and Z axis coordinate detection.

[0061] In the single-model batch processing mode, after each workpiece is photographed and the marked points and outer contours of workpiece A and workpiece B are identified, the marking points and outer contours are compared with the images to see if they are offset. Then, the robotic arm 1 moves the probe workpiece quickly down to the designated position. After that, the probes 35 of the two sets of detectors 33a and 33b simultaneously touch workpiece A and workpiece B to perform X, Y, and Z axis coordinate detection.

[0062] Workpiece A and workpiece B have at least 3 marking points. After the visual recognition device 34 takes a picture, it recognizes the marking points of workpiece A and workpiece B, as well as the outer contours of workpiece A and workpiece B, confirms the joint between workpiece A and workpiece B, and establishes a coordinate system with the center point of the joint as the origin.

[0063] Confirm the shape of workpiece A and workpiece B, and call the corresponding machining program. At the same time, confirm whether workpiece A and workpiece B meet the machining requirements. If the relative position of the marker point and the outer contour is inconsistent, or the outer contour shape is inconsistent, or the distance between workpiece A and workpiece B exceeds the machining range, stop the subsequent machining and issue an alarm.

[0064] If both workpiece A and workpiece B meet the processing standards, proceed with the subsequent processes.

[0065] After the visual recognition device 34 identifies and detects workpieces A and B and retrieves the corresponding program, the robotic arm 1 moves the detectors 33a and 33b downwards.

[0066] Two sets of detectors 33a and 33b are detector A 33a and detector B 33b, respectively. Detector A 33a detects the coordinates of workpiece A, and detector B 33b detects the coordinates of workpiece B.

[0067] The two probes 35 of detector A 33a will contact workpiece A, and the two probes 35 of detector B 33b will contact workpiece B, thereby obtaining the height coordinates of workpiece A and workpiece B, and then confirming whether workpiece A and workpiece B are coplanar or whether there is a height difference.

[0068] If the height difference between workpiece A and workpiece B exceeds the preset range, subsequent processing will be stopped and an alarm will be issued.

[0069] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0070] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0071] Although embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for the present invention. Other modifications can be easily made by those skilled in the art. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A high-efficiency welding device for automotive control arms, comprising: A robotic arm (1) and a welding torch (2) disposed on the robotic arm (1), characterized in that it further comprises: a detection device (3) disposed at the end of the robotic arm (1) and a multi-axis device (5) connected to the detection device (3) via a telescopic device (4), wherein the welding torch (2) is disposed on the multi-axis device (5); The detection device (3) consists of a connector (31) connected to the end of the robotic arm (1), an L-shaped mounting plate (32), and a sensor assembly mounted on the mounting plate (32). The connector (31) is mounted on the vertical plate of the mounting plate (32), and the sensor assembly and the telescopic device (4) are both mounted on the horizontal plate of the mounting plate (32). A tie rod is provided between the vertical plate and the horizontal plate of the mounting plate (32). The sensor assembly consists of two sets of symmetrically arranged detectors (33a, 33b) and a visual recognition device (34). The detectors (33a, 33b) are connected to the horizontal plate of the mounting plate (32) through a connecting plate, and the two sets of detectors (33a, 33b) are respectively installed on two opposite side walls of the horizontal plate of the mounting plate (32). The visual recognition device (34) is set on the side wall of the horizontal plate of the mounting plate (32). The detector (33a, 33b) is provided with two probes (35), which are movably connected to the detector (33a, 33b), and the bottom of the probe (35) is spherical; When the detection device (3) confirms the X, Y, and Z axis coordinates of workpiece A and workpiece B, the bottom of the welding torch (2) is located above the probe (35). When the welding torch (2) welds workpieces A and B, the bottom of the welding torch (2) is located below the probe (35).

2. The high-efficiency welding device for automotive swing arms according to claim 1, characterized in that, The telescopic device (4) consists of a drive device (41) and a telescopic rod (42). The drive device (41) is set on the top surface of the horizontal plate of the mounting plate (32). One end of the telescopic rod (42) is connected to the drive device (41), and the other end passes through the horizontal plate of the mounting plate (32) and is connected to the multi-axis device (5).

3. The high-efficiency welding device for automotive swing arms according to claim 1, characterized in that, The multi-axis device (5) consists of a first rotating device and a second rotating device. The first rotating device is located on the top of the multi-axis device (5) and is movably connected to the telescopic device (4). The second rotating device is located on the side wall of the multi-axis device (5) and is movably connected to the welding torch (2). The central rotation axis of the first rotating device is normal to the central rotation axis of the second rotating device.

4. A welding process based on a high-efficiency welding device for automotive swing arms, characterized in that, The steps are as follows: The transfer device places workpieces A and B, which are to be welded, onto the platform; The high-efficiency welding device is started, and the robotic arm (1) of the high-efficiency welding device moves the detection device (3) and the welding torch (2) above the platform; The detection device (3) takes pictures of the workpiece, identifies the marking points of workpiece A and workpiece B, and confirms and retrieves the processing program through the marking points of workpiece A and workpiece B. The robotic arm (1) moves the detection device (3) down, confirms the X, Y, and Z axis coordinates of workpiece A and workpiece B, and then moves up. The telescopic device (4) drives the multi-axis device (5) to move downward, so that the welding torch (2) reaches the processing position; The welding torch (2) performs welding operations on workpieces A and B according to the program. During the welding process, the multi-axis device (5) drives the welding torch (2) to move along the processing surface. After welding is completed, the transfer device will transfer the welded workpiece from the platform and place workpieces A and B to be welded on the platform.

5. The welding process based on the high-efficiency welding device for automotive swing arms according to claim 4, characterized in that, After starting the high-efficiency welding device, select either the multi-model adaptive mode or the single-model batch processing mode; In the multi-model adaptive mode, after each photo recognition of the workpiece A and workpiece B, the marking points and processing program are confirmed. In order to avoid collisions, the robotic arm (1) drives the detection device (3) to move down slowly. The probes (35) of the two sets of detectors (33a, 33b) touch the workpiece A and workpiece B simultaneously to perform X, Y, Z axis coordinate detection. In the single-model batch processing mode, after taking pictures of the workpieces to identify the markers and outer contours of workpieces A and B, the robotic arm (1) drives the probe workpiece to move quickly to the designated position after comparing the images to see if the markers and outer contours are offset. Then, the probes (35) of the two sets of detectors (33a, 33b) simultaneously touch workpieces A and B to perform X, Y, and Z axis coordinate detection.

6. The welding process based on the high-efficiency welding device for automotive swing arms according to claim 4, characterized in that, Workpiece A and workpiece B have at least 3 marking points. After the visual recognition device (34) takes a picture, it recognizes the marking points of workpiece A and workpiece B, as well as the outer contours of workpiece A and workpiece B, confirms the joint between workpiece A and workpiece B, and establishes a coordinate system with the center point of the joint as the origin. Confirm the shape of workpiece A and workpiece B, and call the corresponding machining program. At the same time, confirm whether workpiece A and workpiece B meet the machining requirements. If the relative position of the marker point and the outer contour is inconsistent, or the outer contour shape is inconsistent, or the distance between workpiece A and workpiece B exceeds the machining range, stop the subsequent machining and issue an alarm. If both workpiece A and workpiece B meet the processing standards, proceed with the subsequent processes.

7. The welding process based on the high-efficiency welding device for automotive swing arms according to claim 4, characterized in that, After the visual recognition device (34) identifies and detects workpieces A and B and retrieves the corresponding program, the robotic arm (1) moves the detectors (33a, 33b) downwards. The two sets of detectors (33a, 33b) are detector A (33a) and detector B (33b), respectively. Detector A (33a) performs coordinate detection on workpiece A, and detector B (33b) performs coordinate detection on workpiece B. The two probes (35) of detector A (33a) will contact workpiece A, and the two probes (35) of detector B (33b) will contact workpiece B, thereby obtaining the height coordinates of workpiece A and workpiece B, and then confirming whether workpiece A and workpiece B are coplanar or whether there is a height difference. If the height difference between workpiece A and workpiece B exceeds the preset range, subsequent processing will be stopped and an alarm will be issued.

Images