一种用于多焊缝同步焊接定位跟踪设备
By synchronously moving the laser galvanometer assembly and the weld seam tracking unit, combined with the central communication control module, the problem of synchronous welding that traditional multi-weld seam welding equipment cannot be solved, and efficient and precise multi-weld seam welding is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENYANG SIASUN ROBOT & AUTOMATION
- Filing Date
- 2025-08-01
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional multi-seam welding equipment cannot achieve synchronous welding, has a low degree of automation, and it is difficult to guarantee welding accuracy and efficiency.
By employing a laser galvanometer assembly, structural connectors, weld seam tracking unit, and central communication control module, the synchronous welding of multiple weld seams is achieved through the synchronous movement of the laser galvanometer assembly and weld seam tracking unit, combined with the real-time adjustment of the welding path by the central communication control module.
Simultaneous welding of multiple weld seams was achieved, improving welding efficiency and precision, reducing welding defects, and ensuring the stability and safety of the equipment.
Smart Images

Figure CN224508788U_ABST
Abstract
Claims
1. A positioning and tracking device for synchronous welding of multiple weld seams, mounted on a laser galvanometer assembly (1), characterized in that, include: The system comprises a first structural connector (3), a second structural connector (2), a weld seam tracking unit (4), and a central communication control module (5); The laser galvanometer assembly (1) is positioned above the workpiece (6). The side of the second structural connector (2) is detachably connected to the laser galvanometer assembly (1) and fixed to the side of the laser galvanometer assembly (1). The bottom surface of the second structural connector (2) is fixedly connected to the top surface of the first structural connector (3). The first structural connector (3) is connected to the weld tracking unit (4) to ensure that it moves synchronously and maintains a stable relative position during the welding process; the weld tracking unit (4) is installed on the first structural connector (3) above the weld (7) of the workpiece (6); The central communication control module (5) is located on the laser galvanometer assembly and is connected to the weld seam tracking unit (4) and the welding robot communication terminal to receive weld seam position data and synchronously control the welding path of the laser galvanometer assembly (1) and the welding robot.
2. A multi-pass synchronous welding positioning and tracking device according to claim 1, wherein, The second structural connector (2) includes: a rectangular connecting plate (201) and an L-shaped connecting plate (202); The first end of the rectangular connecting plate (201) is fastened to the side of the flange of the laser galvanometer by the first set of screws (101); The vertical folded edge (203) of the L-shaped connecting plate (202) is fixed to the outer surface of the end of the rectangular connecting plate (201) by screws, and its horizontal folded edge (204) extends to form a mounting base surface connected to the rectangular connecting plate (201); The angle between the vertical fold (203) and the horizontal fold (204) is fixed by a triangular armature so that the horizontal fold (204) is always parallel to the working surface of the workpiece (6).
3. A multi-pass synchronous welding positioning and tracking device as defined in claim 1, wherein, Connecting block (301), connecting plate (302), and U-shaped enclosure (303); The top surface of the connecting block (301) is fixedly connected to the horizontal folded edge (204) of the L-shaped connecting plate (202); The connecting plate (302) is provided in two parts, and they are identical in shape, both being L-shaped connecting plates; wherein, the long side (304) of the connecting plate (302) is perpendicular to the extension direction of the weld (7); the short sides (305) of the two connecting plates (302) are clamped in the connecting block (301) and fixed by screws; Each of the connecting plates (302) has a U-shaped enclosure (303) welded to both ends of its long side (304); Weld tracking units (4) are provided in the two U-shaped enclosures (303). The detection end of the weld tracking unit (4) protrudes from the U-shaped enclosure (303) and is installed below the U-shaped enclosure (303) and is perpendicular to the weld (7) above the corresponding workpiece (6).
4. A multi-pass synchronous welding positioning and tracking device according to claim 3, wherein, The connecting block (301) is a T-shaped connecting structure with a vertical cross section, including: a horizontal rectangular block and a vertical rectangular block of integral structure; The horizontal rectangular block is fixed to the horizontal fold (204) of the L-shaped connecting plate (202) by screws, and the vertical rectangular block is sandwiched between the two connecting plates (302) and extends toward the weld (7).
5. A multi-pass synchronous welding positioning and tracking device as defined in claim 3, wherein, The U-shaped enclosure (303) includes: a vertical panel, a bottom panel, and a U-shaped opening; The upright plate, the bottom plate and the connecting plate (302) form a rectangular groove for installing the weld seam tracking unit (4); The height of the upright plate of the U-shaped enclosure (303) exceeds the height of the weld tracking unit (4) by 10-15 mm; Multiple U-shaped openings are provided on the base plate. The U-shaped openings are directly opposite the detection direction of the corresponding weld (7) and are coaxial with the optical axis of the weld tracking unit (4). A 3-5mm isolation gap (304) is formed between the bottom plate of the U-shaped enclosure (303) and the connecting plate (302).
6. A multi-pass synchronous welding positioning and tracking device as defined in claim 1, wherein, The weld seam tracking unit (4) includes: a laser emitter, a processing unit, and a protective housing; The laser emitter is mounted on the base plate of the U-shaped enclosure (303) and connected to the processing unit, and projects a structured light spot onto the weld (7) at an angle of 30° to 45°. The processing unit has a built-in DSP chip and is connected to the laser emitter via a data bus; The protective shell is a one-piece molded aluminum alloy shell with a quartz glass window at the front and a waterproof connector at the rear to lead out the power cord and communication cable.
7. A multi-pass synchronous welding positioning and tracking device according to claim 6, wherein, The laser emitter is fixed to the inner wall of the protective shell by a slot, and its optical axis intersection point is located on the normal line of the center of the quartz glass window; The quartz glass window is filled with high-temperature resistant sealant to form IP54 protection. The DSP chip of the processing unit is mounted on the surface of the heat dissipation substrate inside the protective housing. The substrate is thermally coupled to the bottom plate of the protective housing through thermal grease.
8. A multi-pass synchronous welding positioning and tracking device as defined in claim 1, wherein, There are multiple weld seam tracking units (4), and they are arranged in equal numbers in two U-shaped enclosures. The laser emitters of the two symmetrical weld tracking units (4) correspond to the positions above their respective welds (7); Each weld seam tracking unit (4) is interconnected through a mechanical structure to ensure that it can move synchronously and maintain a stable relative position during the welding process, so as to realize synchronous welding positioning and tracking of multiple weld seams (7).