Hand-held laser oscillation welding head

By incorporating a refractive mirror and a rotating base into a handheld laser oscillating welding head, and utilizing a motor and gear transmission system to adjust the aperture size, the problem of low aperture adjustment efficiency in existing technologies is solved, thereby improving welding efficiency and precision.

CN224322518UActive Publication Date: 2026-06-05SHENZHEN LEIZHI LASER TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN LEIZHI LASER TECH CO LTD
Filing Date
2025-06-10
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing handheld laser oscillating welding heads suffer from low efficiency and inaccuracy when adjusting the aperture size, resulting in reduced welding efficiency.

Method used

By setting a refracting mirror at the lower end of the welding head and adjusting the angle of the refracting mirror through a rotating seat and a drive device, the aperture diameter can be easily adjusted. Combined with a motor and gear transmission system, the aperture can be precisely controlled.

Benefits of technology

It enables convenient and precise adjustment of the aperture size, improves welding efficiency and stability, and ensures the flexibility and accuracy of the welding range.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224322518U_ABST
    Figure CN224322518U_ABST
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Abstract

The utility model relates to laser welding device technical field, and disclose a kind of handheld laser swing welding head, including welding head, the lower end threaded sleeve joint of welding head has joint, the outside threaded sleeve joint of welding head has installation sleeve, the lower end fixedly connected of installation sleeve has support, the lower end fixedly connected of support has circular disc, the outside movable sleeve joint of circular disc has circular track.This handheld laser swing welding head, by refractor setting in the inside of rotary seat, rotary handle, the angle of refractor is adjusted by rotary handle, joint drives light downward irradiation, laser is refracted by refractor, i.
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Description

Technical Field

[0001] This utility model relates to the field of laser welding device technology, specifically a handheld laser oscillating welding head. Background Technology

[0002] Handheld laser oscillating welding guns are commonly used laser welding equipment at present. They are connected to the laser via optical fiber and the angle of the reflector is controlled in real time by setting a drive motor to oscillate. The laser is then collimated and focused by internal optical lenses and monitored and operated by a control system for laser welding.

[0003] The welding device uses a focusing device to concentrate the laser onto the plate, ensuring that the focused light heats and melts the plate. At the same time, when welding the plate, it is necessary to increase the welding range. Therefore, an oscillating welding device is used to move the welding head to increase the welding range and control the equipment to weld. However, the size of the welding aperture formed by the equipment is usually fixed, which leads to wasted time and inaccuracy when adjusting the aperture size, resulting in low welding efficiency. Therefore, we propose a handheld laser oscillating welding head. Utility Model Content

[0004] To address the shortcomings of existing handheld laser oscillating welding heads, this invention provides a handheld laser oscillating welding head that features a refractor located at the lower end of the connector. By adjusting the angle of the refractor, the aperture diameter can be adjusted, ensuring greater convenience in aperture size adjustment and solving the problems mentioned in the background art.

[0005] This utility model provides the following technical solution: a handheld laser oscillating welding head, including a welding head, a connector threadedly fitted to the lower end of the welding head, an installation sleeve threadedly fitted to the outer side of the welding head, a bracket fixedly connected to the lower end of the installation sleeve, a circular disk fixedly connected to the lower end of the bracket, a circular track movably fitted to the outer side of the circular disk, a rotating seat fixedly connected inside the circular track, a driving device installed at the top of the rotating seat, the driving device driving the rotating seat to rotate, an adjusting plate movably fitted inside the rotating seat, and a rotating handle and a positioning sleeve respectively installed at both ends of the adjusting plate, which pass through the rotating seat.

[0006] Preferably, the welding head is equipped with a condenser lens that focuses light, and the condenser lens is clamped between the condenser lens and the joint.

[0007] Preferably, the drive device includes a first gear and a motor. The first gear is fixedly connected to the upper part of the rotating base, and the motor is fixed to the inner side of the bracket. A gear installed at one end of the motor output shaft meshes with the first gear.

[0008] Preferably, the rotating handle and the positioning sleeve are located on both sides of the rotating seat in sequence. A second fastening bolt is installed inside the positioning sleeve, and the second fastening bolt passes through the positioning sleeve and is attached to the outside of the rotating seat on its inner side.

[0009] Preferably, a first fastening bolt is installed inside the mounting sleeve, and the end of the mounting sleeve is threaded into the inside of the welding head.

[0010] Preferably, the welding head is mounted on a handheld laser welding device, and the adjustment disc is located at the lower end of the joint.

[0011] Preferably, a refractor is fixedly connected inside the adjustment disc, and the laser transmitted inside the connector irradiates the middle part of the refractor.

[0012] Compared with existing welding heads, this utility model has the following advantages:

[0013] 1. This handheld laser oscillating welding head has a refractor set inside the rotating base. Rotating the handle adjusts the angle of the refractor, causing the laser beam to shine downwards. The laser beam is refracted by the refractor, allowing adjustment of the aperture diameter. Rotating the rotating base rotates the laser beam, and welding is performed using the aperture. Simultaneously adjusting the angle of the refractor allows for timely and precise adjustment of apertures of different diameters, ensuring ease of aperture adjustment.

[0014] 2. The handheld laser oscillating welding head is set at the lower end of the joint through a refractor, and a mounting sleeve is fitted onto the outside of the welding head. A first fastening bolt is installed inside the mounting sleeve. The first fastening bolt, carrying the mounting sleeve, maintains stability when spliced ​​at the lower end of the welding head, ensuring that the oscillating structure is more convenient to install and disassemble, and ensuring improved stability during structure installation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0016] Figure 2 This is a side view of the main body structure of this utility model;

[0017] Figure 3 This is a schematic cross-sectional view of the main body of this utility model;

[0018] Figure 4 This is a partially enlarged structural diagram of the rotating base of this utility model;

[0019] Figure 5 This is a partial cross-sectional view of the rotating seat of this utility model.

[0020] In the diagram: 1. Welding head; 2. Condenser lens; 3. Connector; 4. Mounting sleeve; 5. First fastening bolt; 6. Bracket; 7. Disc; 8. Circular track; 9. Rotating seat; 10. First gear; 11. Motor; 12. Adjusting disc; 13. Rotating handle; 14. Positioning sleeve; 15. Second fastening bolt; 16. Refracting mirror. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A handheld laser oscillating welding head includes a welding head 1. A connector 3 is threaded onto the lower end of the welding head 1. The connector 3 focuses the irradiated light. An installation sleeve 4 is threaded onto the outside of the welding head 1. A bracket 6 is fixedly connected to the lower end of the installation sleeve 4. The installation sleeve 4 is installed on the outside of the welding head 1 by a first fastening bolt 5 to improve the stability of the equipment during installation. A circular disk 7 is fixedly connected to the lower end of the bracket 6. A circular track 8 is movably fitted onto the outside of the disk 7. A rotating seat 9 is fixedly connected inside the circular track 8. A driving device is installed at the top of the rotating seat 9. The driving device drives the rotating seat 9 to rotate. An adjustment disk 12 is movably fitted inside the rotating seat 9. A rotating handle 13 and a positioning sleeve 14 are respectively installed at both ends of the adjustment disk 12, penetrating the interior of the rotating seat 9. Rotating the rotating handle 13 causes the angle of the refractor 16 inside the rotating seat 9 to be adjusted.

[0023] Please see Figure 3 The welding head 1 is equipped with a condenser lens 2 that focuses the light. The condenser lens 2 is clamped between the condenser lens 2 and the connector 3. By installing the condenser lens 2 inside the welding head 1, the condenser lens 2 focuses the irradiated laser light and pulls it downward through the connector 3. After the connector 3 is installed at the lower end of the welding head 1, the connector 3 limits the position of the condenser lens 2 inside the welding head 1.

[0024] Please see Figure 2The driving device includes a first gear 10 and a motor 11. The first gear 10 is fixedly connected to the upper part of the rotating seat 9, and the motor 11 is fixed to the inner side of the bracket 6. The gear installed at one end of the output shaft of the motor 11 meshes with the first gear 10. By starting the motor 11, the motor 11 drives the gear and the first gear 10 to perform threaded movement, which drives the rotating seat 9 to rotate. An adjustment plate 12 is installed on the inner side of the rotating seat 9. The adjustment plate 12 causes the position of the laser downward to deflect. At the same time, when the rotating seat 9 rotates, the rotating seat 9 causes the light to rotate in a circle. Then the rotating seat 9 causes the laser to form a light circle, which can drive the laser to swing and weld.

[0025] Please see Figure 3 The rotating handle 13 and the positioning sleeve 14 are located on both sides of the rotating base 9. The second fastening bolt 15 is installed inside the positioning sleeve 14. The second fastening bolt 15 passes through the positioning sleeve 14 and is attached to the outside of the rotating base 9 on its inner side. It is fixed to both sides of the adjusting plate 12 by rotating the handle 13 and the positioning sleeve 14. The rotating handle 13 and the positioning sleeve 14 are set outside the rotating base 9. By rotating the rotating handle 13, the angle of the adjusting plate 12 inside the rotating base 9 can be adjusted. After the angle of the adjusting plate 12 is adjusted, the laser irradiates the outside of the refractor 16, and the deflection distance of the light irradiation is adjusted. Then, the size between the laser welding apertures can be adjusted. At the same time, the second fastening bolt 15 is rotated, and the end of the second fastening bolt 15 contacts the rotating base 9 to ensure that the adjusting plate 12 maintains stability when spliced ​​inside the rotating base 9.

[0026] Please see Figure 1 The first fastening bolt 5 is installed inside the mounting sleeve 4. The end of the mounting sleeve 4 is threaded into the inside of the welding head 1. The mounting sleeve 4 is installed on the outside of the welding head 1. At the same time, the first fastening bolt 5 is installed inside the mounting sleeve 4. The first fastening bolt 5 drives the mounting sleeve 4 to be installed on the lower part of the welding head 1, ensuring that the swing welding device can be freely disassembled and replaced, and improving the stability during disassembly and replacement.

[0027] Please see Figure 1 The welding head 1 is installed on the handheld laser welding equipment, and the adjustment plate 12 is located at the lower end of the connector 3. The laser welding device drives the laser to irradiate the inside of the welding head 1 through the welding head 1, and the laser is focused by the condenser lens 2.

[0028] Please see Figure 3The adjustment plate 12 is fixedly connected to the refractor 16. The laser transmitted inside the connector 3 irradiates the middle part of the refractor 16. The adjustment plate 12 is installed inside the refractor 16. At the same time, the bracket 6 is set at the lower end of the connector 3. The connector 3 drives the laser to irradiate the inside of the refractor 16. Meanwhile, the refractor 16 is installed at an angle. When the laser passes through the refractor 16, it is refracted, and then the size of the welding aperture can be adjusted.

[0029] Working principle: In use, the welding head 1 is installed on the handheld laser welding device. A mounting sleeve 4 is fitted onto the outside of the welding head 1, and a first fastening bolt 5 is installed inside the mounting sleeve 4. The first fastening bolt 5 restricts the position of the mounting sleeve 4 outside the welding head 1. Simultaneously, a refractor 16 is positioned at the lower end of the connector 3. The handheld laser welding device emits light that illuminates the outside of the refractor 16. Rotating the handle 13 adjusts the angle of the refractor 16. Simultaneously, the laser beam illuminating the outside of the refractor 16 deflects the laser beam. At the same time, rotating the second fastening bolt 15 restricts the position of the adjustment disc 12 inside the rotating base 9. The motor 11 is then started, causing the rotating base 9 to rotate. The rotating base 9 then rotates the refractor 16, causing the refractor 16 to rotate at equal intervals. This forms a laser aperture, which then welds the material inside the aperture.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A handheld laser oscillating welding head, comprising a welding head (1), wherein a connector (3) is threadedly sleeved at the lower end of the welding head (1), and a mounting sleeve (4) is threadedly sleeved on the outer side of the welding head (1), wherein a bracket (6) is fixedly connected to the lower end of the mounting sleeve (4), characterized in that: A circular disc (7) is fixedly connected to the lower end of the bracket (6). A circular track (8) is movably sleeved on the outside of the disc (7). A rotating seat (9) is fixedly connected inside the circular track (8). A driving device is installed at the top of the rotating seat (9). The driving device drives the rotating seat (9) to rotate. An adjusting disc (12) is movably sleeved inside the rotating seat (9). A rotating handle (13) and a positioning sleeve (14) that pass through the rotating seat (9) are respectively installed at both ends of the adjusting disc (12).

2. The handheld laser oscillating welding head according to claim 1, characterized in that: The welding head (1) is equipped with a condenser lens (2) that focuses light, and the condenser lens (2) is clamped between the condenser lens (2) and the joint (3).

3. The handheld laser oscillating welding head according to claim 1, characterized in that: The drive device includes a first gear (10) and a motor (11). The first gear (10) is fixedly connected to the upper part of the rotating seat (9), and the motor (11) is fixed to the inner side of the bracket (6). The gear installed at one end of the output shaft of the motor (11) meshes with the first gear (10).

4. A handheld laser oscillating welding head according to claim 1, characterized in that: The rotating handle (13) and the positioning sleeve (14) are located on both sides of the rotating seat (9). The positioning sleeve (14) is equipped with a second fastening bolt (15). The second fastening bolt (15) passes through the positioning sleeve (14) and its inner side is attached to the outside of the rotating seat (9).

5. A handheld laser oscillating welding head according to claim 1, characterized in that: The first fastening bolt (5) is installed inside the mounting sleeve (4), and the end of the mounting sleeve (4) is threaded into the inside of the welding head (1).

6. A handheld laser oscillating welding head according to claim 1, characterized in that: The welding head (1) is installed on a handheld laser welding device, and the adjustment plate (12) is located directly below the joint (3).

7. A handheld laser oscillating welding head according to claim 1, characterized in that: A refractor (16) is fixedly connected inside the adjustment plate (12), and the laser transmitted inside the connector (3) irradiates the middle part of the refractor (16).