A high-efficiency laser welding device

By introducing a cooling and limiting mechanism into the laser welding device, the problem of optical path deviation caused by thermal deformation at the tip of the welding gun was solved, achieving efficient and stable welding results and convenient maintenance.

CN224674062UActive Publication Date: 2026-08-25FOSHAN HUAXIANG AUTOMOTIVE METAL PARTS CO LTD
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Patent Information

Application Number
CN202522039075.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-23
Publication Date
2026-08-25
Estimated Expiration
2035-09-23

AI Technical Summary

Technical Problem

Existing laser welding equipment suffers from optical path deviation due to thermal deformation at the tip of the welding torch during prolonged operation or under high-power laser conditions, which affects welding quality and efficiency.

Method used

A high-efficiency laser welding device was designed, which includes a cooling mechanism and a limiting mechanism. The cooling mechanism absorbs and dissipates the heat generated during the welding process, while the limiting mechanism facilitates quick disassembly and maintenance, ensuring welding accuracy and efficiency.

Benefits of technology

It effectively stabilizes welding quality, improves welding efficiency, simplifies the disassembly and maintenance process of the device, and ensures the efficient operation of the laser welding gun.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of high-efficiency laser welding device in the technical field of laser welding, comprising: operating platform, its bottom end is symmetrically provided with support column;Connecting clamp, it is through bolt to be located at the top of the operating platform;Connecting limiting mechanism, it is through bolt symmetrically to be located at the top of the operating platform;Connecting installation bottom plate, it is movably connected in the inside of the connecting limiting mechanism;Laser welding mechanical arm, it is fixedly arranged at the top of the connecting installation bottom plate, laser welding torch, it is fixedly arranged at the end of the laser welding mechanical arm;Fixed sleeve block, it is fixedly connected to the surface outside of the laser welding torch, by the connecting cooling mechanism that is provided, can be absorbed in the process of use, the heat generated by laser welding torch is stably absorbed, under the action of connecting cooling mechanism, heat can be stably absorbed, so that laser welding torch can be stably cooled and handled, simple structure, convenient operation.
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Description

Technical Field

[0001] This utility model relates to the field of laser welding technology, and in particular to a high-efficiency laser welding device. Background Technology

[0002] Laser welding involves focusing a laser beam generated by a laser onto the surface of the materials to be welded. The energy of the laser beam is absorbed by the materials, causing their temperature to rise rapidly until they melt or vaporize, thus achieving the connection between the materials. Laser beams possess characteristics such as high energy density, high directionality, and high monochromaticity, enabling precise concentration of energy at the welding point for high-quality welds.

[0003] In existing laser welding equipment, the welding torch tip undergoes thermal deformation due to heat accumulation during prolonged operation or under high-power laser exposure. This deformation can alter the focusing position and spot shape of the laser beam, thus affecting welding quality, such as weld misalignment and inconsistent penetration depth. It also causes thermal expansion of the material at the welding torch tip at high temperatures. If the coefficient of thermal expansion of the tip material is large, its dimensional changes may lead to optical path misalignment, affecting the precise focusing of the laser beam and consequently impacting overall welding efficiency. Therefore, we propose a high-efficiency laser welding device. Utility Model Content

[0004] To address the aforementioned problems, this invention provides a high-efficiency laser welding device that can solve the problems existing in the background art.

[0005] The technical solution of this utility model is:

[0006] A high-efficiency laser welding device, comprising:

[0007] The control panel has symmetrically arranged support columns at its bottom.

[0008] A connecting clamp is bolted to the top of the operating table;

[0009] A connecting limiting mechanism is symmetrically mounted on the top of the operating table via bolts;

[0010] The connecting mounting base plate is movably engaged with the inner side of the connecting limiting mechanism;

[0011] A laser welding robotic arm is fixedly mounted on the top of the connecting mounting base plate;

[0012] A laser welding gun is fixedly mounted at the end of the laser welding robotic arm;

[0013] A fixing sleeve is fixedly fitted onto the outer surface of the laser welding gun;

[0014] A cooling mechanism is connected, which is movably sleeved on the outer surface of the laser welding gun;

[0015] A connecting end block is fixedly mounted on the top of the connecting cooling and heat dissipation mechanism;

[0016] Fastening bolts are installed inside the connecting end block and the fixing sleeve block.

[0017] In a further technical solution, the connecting limiting mechanism includes a connecting leg, a connecting limiting block fixedly connected to the end of the connecting leg, a fixed limiting bottom block fixedly connected to the top center of the connecting limiting block, a movable mounting plate movably connected inside the fixed limiting bottom block, a connecting threaded rod fixedly connected to the top of the movable mounting plate, a rotating top plate fixedly connected to the top of the connecting threaded rod, a threaded sleeve block movably sleeved on the outer surface of the connecting threaded rod via threads, a connecting lifting plate fixedly connected to the bottom of the threaded sleeve block, a connecting insertion rod fixedly connected to the bottom end of the connecting lifting plate, and a through hole adapted to the connecting insertion rod on the top of the connecting limiting block.

[0018] In a further technical solution, the interior of the connecting lifting plate is provided with a through hole that matches the connecting threaded rod, and the bottom end of the connecting rod penetrates the interior of the connecting mounting base plate.

[0019] In a further technical solution, the top of the connecting limiting block is symmetrically provided with fixed guide posts, and the interior of the connecting lifting plate is symmetrically provided with through holes adapted to the fixed guide posts.

[0020] In a further technical solution, the connecting cooling mechanism includes a connecting sleeve, the inside of which is provided with a fixed cavity, the top of which is provided with an input pipe and an output pipe, and the top of which is provided with a through hole communicating with the input pipe and the output pipe.

[0021] In a further technical solution, a plurality of connecting heat sinks are provided at equal intervals on the outer surface of the connecting sleeve.

[0022] In a further technical solution, a connecting protective cylinder is fixedly connected to the end of the connecting heat sink, and the surface of the connecting protective cylinder is provided with a number of fixed ventilation holes.

[0023] The beneficial effects of this utility model are:

[0024] 1. With the provided cooling mechanism, the heat generated by the laser welding gun can be stably absorbed during use. Under the action of the cooling mechanism, the heat can be stably absorbed, thereby stably cooling the laser welding gun. The structure is simple and easy to operate.

[0025] 2. Through the cooperation between the connection limiting mechanism and the connection mounting base plate, the connection mounting base plate, laser welding robotic arm and laser welding gun can be quickly disassembled, inspected and maintained during subsequent use, so that the whole can be used stably and is easy to operate. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of a high-efficiency laser welding device according to an embodiment of the present invention;

[0027] Figure 2 This invention relates to a high-efficiency laser welding device. Figure 1 Enlarged structural diagram at point A in the middle;

[0028] Figure 3 This is a schematic diagram of the connection and limiting mechanism of a high-efficiency laser welding device according to an embodiment of the present invention;

[0029] Figure 4 This is a schematic diagram of the connection cooling mechanism of a high-efficiency laser welding device according to an embodiment of this utility model.

[0030] Explanation of reference numerals in the attached figures:

[0031] 1. Control panel;

[0032] 2. Connecting clamps;

[0033] 3. Connecting limit mechanism; 31. Connecting support leg; 32. Connecting limit block; 33. Fixing limit base block; 34. Movable mounting plate; 35. Connecting threaded rod; 36. Rotating top plate; 37. Threaded sleeve block; 38. Connecting lifting plate; 39. Connecting insertion rod; 310. Fixing guide column;

[0034] 4. Connect and install the base plate;

[0035] 5. Laser welding robotic arm;

[0036] 6. Laser welding torch;

[0037] 7. Fixed sleeve block;

[0038] 8. Connect the cooling mechanism; 81. Connect the sleeve; 82. Fix the cavity; 83. Input pipe; 84. Output pipe; 85. Connect the heat sink; 86. Connect the protective sleeve; 87. Fix the ventilation hole;

[0039] 9. Connecting end block;

[0040] 10. Tighten the bolts. Detailed Implementation

[0041] The embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0042] Example:

[0043] like Figures 1-4 As shown, a high-efficiency laser welding device includes:

[0044] The operating table 1 has symmetrically provided support columns at its bottom end;

[0045] The connecting clamp 2 is bolted to the top of the operating table 1;

[0046] The connecting limit mechanism 3 is symmetrically mounted on the top of the operating table 1 by bolts;

[0047] The mounting base plate 4 is connected and its movable engagement is attached to the inside of the connecting limiting mechanism 3;

[0048] Laser welding robotic arm 5 is fixedly mounted on the top of the connecting mounting base plate 4;

[0049] The laser welding gun 6 is fixedly mounted at the end of the laser welding robotic arm 5;

[0050] The fixing sleeve 7 is fixedly sleeved on the outer surface of the laser welding gun 6;

[0051] The cooling mechanism 8 is connected and is movably sleeved on the outer surface of the laser welding gun 6.

[0052] The connecting end block 9 is fixedly mounted on the top of the connecting cooling mechanism 8;

[0053] Fastening bolt 10 is installed inside the connecting end block 9 and the fixing sleeve block 7 by means of bolts.

[0054] The working principle of the above technical solution is as follows:

[0055] During use, the heat generated by the laser welding gun 6 during welding can be quickly absorbed by the cooling mechanism 8, and the laser welding gun 6 can be cooled stably, enabling the laser welding gun 6 to efficiently weld the workpiece. In subsequent use, the connecting limit mechanism 3 can be adjusted, and the connecting mounting base plate 4 can be quickly disassembled, thereby enabling the laser welding robotic arm 5 to be quickly disassembled, facilitating quick disassembly, inspection and maintenance of the laser welding robotic arm 5. The overall structure is simple and the operation is convenient and quick.

[0056] In another embodiment, such as Figure 3As shown, the connecting limiting mechanism 3 includes a connecting leg 31, a connecting limiting block 32 fixedly connected to the end of the connecting leg 31, a fixed limiting bottom block 33 fixedly connected to the top center of the connecting limiting block 32, a movable mounting plate 34 movably connected inside the fixed limiting bottom block 33, a connecting threaded rod 35 fixedly connected to the top of the movable mounting plate 34, a rotating top plate 36 fixedly connected to the top of the connecting threaded rod 35, a threaded sleeve block 37 movably sleeved on the outer surface of the connecting threaded rod 35, a connecting lifting plate 38 fixedly connected to the bottom of the threaded sleeve block 37, a connecting insertion rod 39 fixedly connected to the bottom end of the connecting lifting plate 38, and a through hole adapted to the connecting insertion rod 39 opened on the top of the connecting limiting block 32.

[0057] The rotating top plate 36 is easy to rotate, which drives the connecting threaded rod 35 and the movable mounting plate 34 to rotate. This allows the threaded sleeve block 37 to move downwards on the outer surface of the connecting threaded rod 35, which in turn drives the connecting lifting plate 38 and the connecting insert rod 39 to move. This allows the bottom end of the connecting insert rod 39 to be inserted into the interior of the connecting mounting base plate 4, thereby achieving connection and limiting, and making operation convenient.

[0058] In another embodiment, such as Figure 3 As shown, the interior of the connecting lifting plate 38 is provided with a through hole that matches the connecting threaded rod 35, and the bottom end of the connecting rod 39 passes through the interior of the connecting mounting base plate 4.

[0059] The connection lifting plate 38 can move on the outer side of the connecting threaded rod 35, while the bottom end of the connecting rod 39 can be stably inserted into the interior of the connecting mounting base plate 4, thereby limiting the connection and making operation convenient.

[0060] In another embodiment, such as Figure 3 As shown, the top of the connecting limit block 32 is symmetrically provided with fixed guide posts 310, and the interior of the connecting lifting plate 38 is symmetrically provided with through holes that are compatible with the fixed guide posts 310.

[0061] The lifting plate 38 is easy to connect and can move stably on the outer side of the fixed guide column 310, making operation convenient.

[0062] In another embodiment, such as Figure 4 As shown, the connecting cooling mechanism 8 includes a connecting sleeve 81, a fixed cavity 82 is provided inside the connecting sleeve 81, an input pipe 83 and an output pipe 84 are provided at the top of the connecting sleeve 81, and a through hole is provided at the top of the connecting sleeve 81 to communicate with the input pipe 83 and the output pipe 84.

[0063] The external conveying component can deliver coolant to the inside of the fixed cavity 82 inside the connecting sleeve 81 through the input pipe 83, while the coolant can flow out to the outside through the output pipe 84, thus circulating. This allows the heat absorbed by the laser welding gun 6 inside the connecting sleeve 81 to be absorbed and dissipated through the flow of coolant, making operation convenient.

[0064] In another embodiment, such as Figure 4 As shown, a number of connecting heat sinks 85 are equidistantly arranged on the outer surface of the connecting sleeve 81.

[0065] This facilitates an increase in the overall heat dissipation area, thereby improving heat dissipation efficiency, thanks to the connection of heat sink 85.

[0066] In another embodiment, such as Figure 4 As shown, a connecting protective cylinder 86 is fixedly connected to the end of the connecting heat sink 85, and a number of fixed ventilation holes 87 are opened on the surface of the connecting protective cylinder 86.

[0067] The protective sleeve 86 provides effective protection for the connected heat sink 85, and with the fixed ventilation hole 87, it facilitates airflow, improves heat dissipation efficiency, and is easy to use.

[0068] The working principle of this utility model is as follows: During use, the external conveying component can deliver coolant to the inside of the fixed cavity 82 of the connecting sleeve 81 through the input pipe 83, while the coolant can flow out through the output pipe 84, thus circulating. This allows the heat absorbed by the laser welding gun 6 inside the connecting sleeve 81 to be absorbed and dissipated through the flow of coolant. Simultaneously, the connecting protective sleeve 86 provides protection for the connecting heat sink 85, and the fixed ventilation hole 87 improves airflow. Furthermore, the connecting heat sink 85 enhances the overall heat dissipation efficiency, enabling the laser welding gun 6 to operate stably and efficiently. In subsequent... During use, the rotating top plate 36 can drive the connecting threaded rod 35 and the movable mounting plate 34 to rotate, so that the threaded sleeve block 37, the connecting lifting plate 38 and the connecting insertion rod 39 can move upward on the outer side of the connecting threaded rod 35 and the fixed guide post 310. This allows the bottom end of the connecting insertion rod 39 to be pulled out from the inside of the connecting mounting base plate 4, no longer restricting the position of the connecting mounting base plate 4. This enables the quick disassembly, inspection and maintenance of the connecting mounting base plate 4, the laser welding robotic arm 5, the laser welding gun 6, the fixed sleeve block 7, the connecting cooling mechanism 8, the connecting end block 9 and the fastening bolts 10. The overall structure is simple and the operation is convenient and quick.

[0069] The above embodiments merely illustrate specific implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. A high-efficiency laser welding device, characterized in that, include: The operating table (1) has symmetrical support columns at its bottom end; A connecting clamp (2) is bolted to the top of the operating table (1); The connecting limiting mechanism (3) is symmetrically mounted on the top of the operating table (1) by bolts; The connecting mounting base plate (4) is movably engaged with the inner side of the connecting limiting mechanism (3); A laser welding robotic arm (5) is fixedly mounted on the top of the connecting mounting base plate (4); A laser welding gun (6) is fixedly mounted at the end of the laser welding robotic arm (5); A fixing sleeve (7) is fixedly sleeved on the outer surface of the laser welding gun (6); A cooling mechanism (8) is connected, which is movably sleeved on the outer surface of the laser welding gun (6); The connecting end block (9) is fixedly mounted on the top of the connecting cooling mechanism (8); Fastening bolts (10) are bolted inside the connecting end block (9) and the fixing sleeve block (7).

2. The high-efficiency laser welding device according to claim 1, characterized in that: The connecting limiting mechanism (3) includes a connecting leg (31), a connecting limiting block (32) is fixedly connected to the end of the connecting leg (31), a fixed limiting bottom block (33) is fixedly connected to the top center of the connecting limiting block (32), a movable mounting plate (34) is movably connected inside the fixed limiting bottom block (33), a connecting threaded rod (35) is fixedly connected to the top of the movable mounting plate (34), a rotating top plate (36) is fixedly connected to the top of the connecting threaded rod (35), a threaded sleeve block (37) is movably sleeved on the outer surface of the connecting threaded rod (35) through a thread, a connecting lifting plate (38) is fixedly connected to the bottom of the threaded sleeve block (37), a connecting insertion rod (39) is fixedly connected to the bottom end of the connecting lifting plate (38), and a through hole adapted to the connecting insertion rod (39) is opened on the top of the connecting limiting block (32).

3. The high-efficiency laser welding device according to claim 2, characterized in that: The connecting lifting plate (38) has a through hole that matches the connecting threaded rod (35), and the bottom end of the connecting rod (39) passes through the interior of the connecting mounting base plate (4).

4. The high-efficiency laser welding device according to claim 2, characterized in that: The top of the connecting limiting block (32) is symmetrically provided with fixed guide posts (310), and the interior of the connecting lifting plate (38) is symmetrically provided with through holes that are adapted to the fixed guide posts (310).

5. The high-efficiency laser welding device according to claim 1, characterized in that: The connecting cooling mechanism (8) includes a connecting sleeve (81), the inside of which is provided with a fixed cavity (82), the top of which is provided with an input pipe (83) and an output pipe (84), and the top of which is provided with a through hole that communicates with the input pipe (83) and the output pipe (84).

6. The high-efficiency laser welding device according to claim 5, characterized in that: The outer surface of the connecting sleeve (81) is provided with a plurality of connecting heat sinks (85) at equal intervals.

7. The high-efficiency laser welding device according to claim 6, characterized in that: The end of the connecting heat sink (85) is fixedly connected to a connecting protective cylinder (86), and the surface of the connecting protective cylinder (86) is provided with a plurality of fixed ventilation holes (87).