Laser welding equipment for linearly tracking welding seam

By using vision sensors and driving mechanical arms in laser welding equipment, linear tracking welding of the welding head is achieved, which solves the problem of inaccurate welding during traditional welding, and improves the aesthetics and welding effect of the weld.

CN222944713UActive Publication Date: 2025-06-06SUZHOU MINGTU INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202421516511.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-29
Publication Date
2025-06-06
Estimated Expiration
2034-06-29

AI Technical Summary

Technical Problem

During the traditional welding process, operators need to manually control the movement trajectory of the laser welding joint, which is prone to inaccurate welding, which affects the aesthetics of the weld and the welding effect.

Method used

A laser welding equipment for linear tracking of welds is designed, using visual sensors and driving robotic arms for welding, and the weld edges and morphological characteristics are extracted through image processing algorithms to realize linear tracking of welding heads.

Benefits of technology

High-precision alignment and linear tracking welding of welds are achieved, improving the aesthetics and welding effect of welds and reducing human errors.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222944713U_ABST
Patent Text Reader

Abstract

The laser welding equipment comprises an equipment table body, an equipment frame body, a welding machine head, a visual sensor and a welding table, the equipment frame body is fixed above the equipment table body, a first lead screw is installed at the top of the equipment frame body, a welding machine base is arranged on one side of the equipment frame body, and the visual sensor is arranged on the welding machine base. The welding machine base is in threaded connection with the first lead screw, a first telescopic driving part is installed in the welding machine base, the output end of the first telescopic driving part extends to the position below the welding machine base and is fixedly provided with a transverse plate, the welding machine head is installed at the bottom end of the transverse plate, and the visual sensors are installed at the positions, on the two sides of the welding machine head, of the bottom end of the transverse plate. The welding table is arranged at the top end of the equipment table body, switching bases are arranged at the two ends of the welding table, and adjusting plates are rotationally installed in the switching bases. According to the utility model, plate welding seams can be aligned, linear tracking welding is realized, the attractiveness of the welding seams is improved, and the welding effect is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of laser welding equipment, in particular to a laser welding equipment for linear tracking welding seams. Background Art

[0002] Laser welding technology is a processing method in which a laser beam is irradiated on the workpiece to make the metal part absorb the laser energy to gasify, evaporate or undergo other physical changes, thereby producing local melting or vaporization and firmly combining with other materials. The advantages of laser welding technology are reflected in its good weld quality, fast welding speed, small heat-affected zone, small heat-affected zone, and it can weld materials with high hardness and high strength, and the accuracy of the weld is crucial to the welding quality.

[0003] In the traditional welding process, the operator needs to manually control the movement trajectory of the laser welding head, which is prone to inaccurate welding, affecting the aesthetics of the weld, and making it inconvenient to align the materials, resulting in poor welding results. Therefore, improvement is urgently needed. Utility Model Content

[0004] The utility model aims to provide a laser welding device for linear tracking welding seams to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a laser welding device for linear tracking welds, comprising an equipment platform, an equipment frame, a welding head, a visual sensor and a welding table, wherein the equipment frame is fixed above the equipment platform, and a first screw rod is installed on the top of the equipment frame, and a first rotating drive member is installed on the outer wall of the top of the equipment frame, and the output end of the first rotating drive member is fixedly connected to the first screw rod, a welding machine base is provided on one side of the equipment frame, the welding machine base is threadedly connected to the first screw rod, and a first telescopic drive member is installed inside the welding machine base, and the output end of the first telescopic drive member extends to the bottom of the welding machine base and is fixed with a horizontal plate, the welding head is installed at the bottom end of the horizontal plate, the visual sensors are all installed at the bottom ends of the horizontal plates on both sides of the welding head, and the welding table is set at the top of the equipment platform.

[0006] Both ends of the welding table are provided with an adapter seat, and an adjustment plate is rotatably installed inside the adapter seat; a second screw rod is installed inside the equipment table body, and the welding table is threadedly connected to the second screw rod, and a second rotating drive member is installed on the outer wall of the equipment table body at the position of the second screw rod, and the output end of the second rotating drive member is fixedly connected to the second screw rod for driving the welding table to translate; second telescopic drive members are installed at both ends of the welding table, and the output end of the second telescopic drive member is fixedly connected to the adapter seat for driving the adapter seat to translate.

[0007] Preferably, a dual-axis rotation driving member is installed inside the welding table, and a bidirectional screw rod is installed at the output end of the dual-axis rotation driving member for driving the sliding block to translate.

[0008] Preferably, one end of the bidirectional screw rod extends to both sides of the welding platform and is provided with a slider, and the slider is threadedly connected to the bidirectional screw rod to facilitate driving the clamping member to translate.

[0009] Preferably, a clamping piece is fixed to the top of the sliding block to facilitate clamping the two plates so that their welds fit tightly.

[0010] Preferably, a third rotary drive member is installed on the outer wall of the adapter, and an output end of the third rotary drive member is fixedly connected to the adjustment plate for driving the adjustment plate to flip.

[0011] According to the above description of the technical scheme, the technical effects of the technical scheme include: placing two plates on the welding table, the second telescopic drive member drives the adapter seat to translate, the adapter seat drives the adjustment plate to move closer to the plate, and the adjustment plate adjusts and aligns the two ends of the plate. Then, the third rotary drive member drives the adjustment plate to flip, so that the adjustment plate moves away from the two ends of the plate and flips from a vertical state to a horizontal state. This design facilitates the rapid adjustment and alignment of the plates. The first telescopic drive member drives the cross plate to move downward, and the first rotary drive member drives the first screw to rotate, so that the welding machine base drives the welding head and the visual sensor to translate. The visual sensor captures the weld image, and the external computer equipment uses the image processing algorithm to extract the edge and morphological features of the weld, and then controls the welding head to perform linear tracking welding. Since the plate welds are aligned and linear tracking welding is performed, the welds are beautiful and the welding effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0013] Figure 2 It is a partial enlarged structural schematic diagram of the utility model.

[0014] Figure 3 It is an enlarged structural schematic diagram of the welding table of the utility model.

[0015] Figure 4 It is a schematic diagram of the cross-sectional structure of the welding table of the utility model.

[0016] Figure 5 It is a schematic diagram of the top structure of the utility model.

[0017] Figure 6 It is a schematic diagram of the enlarged structure of the welding table of the utility model from top view.

[0018] In the figure: 1. Equipment platform; 2. Equipment frame; 3. First screw; 4. Welding machine base; 5. Horizontal plate; 6. Welding head; 7. Visual sensor; 8. First rotary drive member; 9. Welding table; 10. Second screw; 11. First telescopic drive member; 12. Second telescopic drive member; 13. Adapter; 14. Adjustment plate; 15. Dual-axis rotary drive member; 16. Bidirectional screw; 17. Slider; 18. Clamping member; 19. Second rotary drive member; 20. Third rotary drive member. DETAILED DESCRIPTION

[0019] See also Figure 1-6 The utility model provides an embodiment: a laser welding device for linear tracking welds, comprising a device body 1, a device frame 2, a welding head 6, a visual sensor 7 and a welding table 9, wherein the device frame 2 is fixed above the device body 1, and a first screw rod 3 is installed on the top of the device frame 2, and a first rotating drive member 8 is installed on the outer wall of the top of the device frame 2, and the output end of the first rotating drive member 8 is fixedly connected to the first screw rod 3.

[0020] A welding machine base 4 is provided on one side of the equipment frame 2, and the welding machine base 4 is threadedly connected to the first screw rod 3, and a first telescopic driving component 11 is installed inside the welding machine base 4, and the output end of the first telescopic driving component 11 extends to the bottom of the welding machine base 4 and is fixed with a horizontal plate 5, and the welding head 6 is installed at the bottom end of the horizontal plate 5, and the visual sensors 7 are all installed at the bottom end of the horizontal plate 5 on both sides of the welding head 6.

[0021] The first telescopic drive member 11 drives the horizontal plate 5 to move downward, and the first rotating drive member 8 drives the first screw 3 to rotate, so that the welding machine base 4 drives the welding head 6 and the visual sensor 7 to translate. The visual sensor 7 captures the weld image, and the external computer equipment uses the image processing algorithm to extract the edge and morphological features of the weld, and then controls the welding head 6 to perform linear tracking welding.

[0022] The welding table 9 is arranged at the top of the equipment table body 1, and adapter seats 13 are arranged at both ends of the welding table 9, and an adjustment plate 14 is rotatably installed inside the adapter seat 13; the second telescopic driving member 12 drives the adapter seat 13 to translate, and the adapter seat 13 drives the adjustment plate 14 to move closer to the plate, and the adjustment plate 14 adjusts and aligns the two ends of the plate. Then, the third rotating driving member 20 drives the adjustment plate 14 to flip, so that the adjustment plate 14 moves away from the two ends of the plate and flips from a vertical state to a horizontal state. This design facilitates the rapid adjustment and alignment of the plate.

[0023] A second screw rod 10 is installed inside the equipment platform 1, and the welding platform 9 is threadedly connected to the second screw rod 10. A second rotating drive member 19 is installed on the outer wall of the equipment platform 1 at the position of the second screw rod 10, and the output end of the second rotating drive member 19 is fixedly connected to the second screw rod 10.

[0024] A second telescopic driving member 12 is installed at both ends of the welding table 9, and the output end of the second telescopic driving member 12 is fixedly connected to the adapter 13; a double-axis rotation driving member 15 is installed inside the welding table 9, and a bidirectional screw rod 16 is installed at the output end of the double-axis rotation driving member 15; one end of the bidirectional screw rod 16 extends to both sides of the welding table 9 and is provided with a slider 17, which is threadedly connected to the bidirectional screw rod 16; a clamping member 18 is fixed to the top of the slider 17.

[0025] A third rotating drive member 20 is installed on the outer wall of the adapter seat 13, and the output end of the third rotating drive member 20 is fixedly connected to the adjustment plate 14; the second rotating drive member 19 drives the second screw rod 10 to rotate, so that the welding table 9 translates along the second screw rod 10 and drives the plate to translate to the bottom of the equipment frame 2, and the dual-axis rotating drive member 15 drives the bidirectional screw rod 16 to rotate, so that the slider 17 translates along the bidirectional screw rod 16, and the slider 17 drives the clamping member 18 to translate and clamp the plate from both sides, so that the two plates are tightly fitted, and then the welds of the two plates are tightly fitted.

[0026] When the device needs to work, two plates are placed on the welding table 9. Secondly, by operating the external control device, the second telescopic driving member 12 drives the adapter seat 13 to translate, and the adapter seat 13 drives the adjustment plate 14 to move closer to the plate. The adjustment plate 14 adjusts and aligns the two ends of the plate. Then, the third rotating driving member 20 drives the adjustment plate 14 to flip, so that the adjustment plate 14 moves away from the two ends of the plate and flips from the vertical state to the horizontal state. This design facilitates the rapid adjustment and alignment of the plate. Then, the second rotating driving member 19 drives the second screw rod 10 to rotate, so that the welding table 9 translates along the second screw rod 10 and drives the plate to translate to the bottom of the equipment frame 2. The dual-axis rotating driving member 15 drives The bidirectional screw rod 16 rotates, so that the slider 17 translates along the bidirectional screw rod 16, and the slider 17 drives the clamping member 18 to translate and clamp the plate from both sides, so that the two plates are tightly fitted, and then the welds of the two plates are tightly fitted. Then, the first telescopic drive member 11 drives the cross plate 5 to move downward, and the first rotating drive member 8 drives the first screw rod 3 to rotate, so that the welding machine base 4 drives the welding head 6 and the visual sensor 7 to translate. The visual sensor 7 captures the weld image, and the external computer equipment uses the image processing algorithm to extract the edge and morphological features of the weld, and then controls the welding head 6 to perform linear tracking welding. Since the plate welds are aligned and linear tracking welding is performed, the welds are beautiful and the welding effect is good.

Claims

1. A laser welding device for linear tracking welds, characterized in that: The device comprises an equipment platform (1), an equipment frame (2), a welding head (6), a visual sensor (7) and a welding platform (9), wherein the equipment frame (2) is fixed above the equipment platform (1), and a first screw rod (3) is installed on the top of the equipment frame (2), and a first rotating driving member (8) is installed on the outer wall of the top of the equipment frame (2), and the output end of the first rotating driving member (8) is fixedly connected to the first screw rod (3), a welding machine base (4) is arranged on one side of the equipment frame (2), the welding machine base (4) is threadedly connected to the first screw rod (3), and a first telescopic driving member (11) is installed inside the welding machine base (4), and the output end of the first telescopic driving member (11) extends to the bottom of the welding machine base (4) and is fixed with a horizontal plate (5), and the welding head (6) is installed on the horizontal plate (5). The visual sensors (7) are mounted at the bottom ends of the horizontal plates (5) on both sides of the welding machine head (6); the welding table (9) is arranged at the top end of the equipment body (1); both ends of the welding table (9) are provided with adapter seats (13), and an adjustment plate (14) is rotatably mounted inside the adapter seat (13); a second screw rod (10) is mounted inside the equipment body (1), the welding table (9) is threadedly connected to the second screw rod (10), a second rotating drive member (19) is mounted on the outer wall of the equipment body (1) at the position of the second screw rod (10), and the output end of the second rotating drive member (19) is fixedly connected to the second screw rod (10); a second telescopic drive member (12) is mounted at both ends inside the welding table (9), and the output end of the second telescopic drive member (12) is fixedly connected to the adapter seat (13).

2. The laser welding equipment for linear tracking welding seams according to claim 1, characterized in that: A double-axis rotation drive component (15) is installed inside the welding table (9), and a bidirectional screw rod (16) is installed at the output end of the double-axis rotation drive component (15).

3. The laser welding equipment for linear tracking welding seams according to claim 2, characterized in that: One end of the bidirectional screw rod (16) extends to both sides of the welding platform (9) and is sleeved with a slider (17), and the slider (17) is threadedly connected to the bidirectional screw rod (16).

4. The laser welding equipment for linear tracking welding seams according to claim 3 is characterized in that: A clamping piece (18) is fixed to the top end of the sliding block (17).

5. The laser welding equipment for linear tracking welding seams according to claim 1, characterized in that: A third rotary drive member (20) is mounted on the outer wall of the adapter seat (13), and an output end of the third rotary drive member (20) is fixedly connected to the adjustment plate (14).