Laser welding machine with cooling device

By introducing a cooling device into the laser welding machine and utilizing a coolant circulation system that combines a sliding plate and a fixture, the problem of slow workpiece cooling is solved, achieving rapid cooling and efficient processing.

CN224088232UActive Publication Date: 2026-04-07ZHEJIANG MINGTAI LASER TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing laser welding machines lack cooling devices, resulting in high surface temperatures of the workpiece after welding, which can easily burn operators.

Method used

A laser welding machine with a cooling device was designed, including a cooling rack, a liquid pump, pipes and a water spray nozzle. Through the cooperation of a sliding plate and a clamp, the coolant can be recycled and the workpiece can be cooled quickly.

Benefits of technology

This technology enables rapid cooling of the workpiece, improves work efficiency, and avoids the risk of operators being burned by hot workpieces.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224088232U_ABST
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Abstract

The utility model relates to the technical field of laser welding machines, and discloses a laser welding machine with a cooling device, a mounting device comprises a mounting rack A and a mounting rack B which are fixedly arranged above a rack, a sliding plate A and a sliding plate B which are respectively arranged on the mounting rack A and the mounting rack B in a sliding manner, a clamp fixedly arranged above the sliding plate A and the sliding plate B, and a driving assembly, the cooling device comprises a cooling frame fixedly arranged above the rack, a liquid collecting box fixedly arranged on the rack and located below the mounting frame A and the mounting frame B, a liquid pump, a pipe A, a pipe B, a pipe C and a pipe D, wherein the liquid pump, the pipe A and the pipe B are fixedly arranged on the liquid collecting box, and the pipe C and the pipe D are fixedly arranged on the pipe B. The laser welding machine has the beneficial effect of quickly cooling the workpiece, and solves the problem that a worker is easily scalded by the workpiece with higher surface temperature when taking the welded workpiece due to the fact that the conventional laser welding machine cannot quickly cool the welded workpiece.
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Description

TECHNICAL FIELD

[0001] The utility model relates to laser welding machine technical field, concretely relates to a laser welding machine with cooling device. BACKGROUND

[0002] Laser welding is to use high-energy laser pulse to heat the material in a small area, and the energy of laser radiation spreads to the interior of the material through heat conduction, and the material is melted to form a specific molten pool. It is a new type of welding method, mainly for the welding of thin-walled materials and precision parts, which can realize spot welding, butt welding and sealing welding, etc. The welding speed is fast, the weld is flat and beautiful, and the weld quality is high.

[0003] During the welding process of the laser welding machine, the workpiece will be heated, and the surface temperature of the workpiece will be high after welding. The existing laser welding machine usually does not have a heat dissipation device or a cooling device for the workpiece, and cannot quickly cool the workpiece after welding, which may cause the worker to be scalded by the workpiece with high surface temperature when taking the workpiece after welding. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a laser welding machine with a cooling device to solve the problems in the background technology.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a laser welding machine with a cooling device, comprising a frame, a laser welding head, a support column fixedly mounted above the frame, a Z-axis assembly connected to the laser welding head and used to drive the laser welding head to move along the Z-axis, a Y-axis assembly connected to the Z-axis assembly and used to drive the Z-axis assembly to move along the Y-axis, and an X-axis assembly connected to the Y-axis assembly and used to drive the Y-axis assembly to move along the X-axis. The X-axis assembly is fixedly mounted above the support column. A mounting device and a cooling device are provided above the frame. The mounting device includes mounting brackets A and B fixedly mounted above the frame, sliding plates A and B respectively slidably mounted on mounting brackets A and B, a clamp fixedly mounted above sliding plates A and B, and a driving assembly. The mounting bracket A is positioned above the support column. On the front side of mounting frame B, both sliding plates A and B are connected to the drive assembly. The cooling device includes a cooling frame fixedly mounted above the frame, a liquid receiving tank fixedly mounted on the frame and located below mounting frames A and B, a liquid pump fixedly mounted on the liquid receiving tank, pipes A and B, and pipes C and D fixedly mounted on pipe B. Mounting frames A and B each have several through slots A, and the top wall of the frame has several through slots B. Through slots A and B overlap and are located directly above the liquid receiving tank. Both ends of pipe A are connected to the inlet of the liquid pump and the inside of the liquid receiving tank, respectively. One end of pipe B is connected to the outlet of the liquid pump, and the other end is closed. Pipes C and D are fixedly connected to the cooling frame and extend below it. Pipes C and D are located above mounting frames A and B, respectively.

[0006] Preferably, the drive assembly includes a motor fixedly mounted on mounting bracket A and mounting bracket B, a lead screw rotatably mounted on mounting bracket A and mounting bracket B, a slide rail fixedly mounted on mounting bracket A and mounting bracket B, and a slider fixedly mounted below sliding plate A and sliding plate B. The output shaft of the motor is fixedly connected to the lead screw, and the slider is slidably connected to the slide rail.

[0007] Preferably, the cooling device further includes valves A and B, which are respectively installed on pipe C and pipe D.

[0008] Preferably, the cooling device further includes water spray nozzles fixedly installed below pipes C and D.

[0009] Preferably, the cooling device further includes a filter screen fixedly installed inside the liquid collection tank.

[0010] Preferably, the cooling device further includes a fan, and a mounting groove is provided on the rear side wall of the cooling rack. After the fan is inserted into the mounting groove, it is fixedly connected to the cooling rack by screws.

[0011] Preferably, the cooling device further includes a controller, valves A and B are both electric valves, and the liquid pump, valves A and B are all connected to the controller via wires.

[0012] The beneficial effects of this utility model are as follows: When using this utility model, the motor is started, driving sliding plate A and sliding plate B to move, so that sliding plate A is below the welding head and sliding plate B is below pipe D. The motor is then turned off, and the coolant is poured into the collection tank. The workpieces A and B to be welded are clamped in the fixtures on sliding plate A and sliding plate B respectively. The laser welding head, Z-axis assembly, Y-axis assembly, and X-axis assembly are started, so that the laser welding head welds workpiece A. After workpiece A is processed, the laser welding head, Z-axis assembly, Y-axis assembly, and X-axis assembly are turned off. The X-axis and Z-axis assemblies are started, and the motors are activated to move sliding plates A and B, positioning sliding plate B below the welding head and sliding plate A below pipe C. The liquid pump is then activated, valve B is closed, and valve A is opened. The pump draws coolant from the collection tank, which is then sprayed out through pipes A and B and finally from pipe C to cool workpiece A, achieving rapid cooling. Simultaneously, the laser welding head, Z-axis, Y-axis, and X-axis assemblies are activated, allowing the laser welding head to weld workpiece B, thus simultaneously cooling workpiece A and processing workpiece B. This process improves work efficiency. After workpiece A cools down, the pump is turned off, and the coolant flows back into the collection tank through channels A and B, achieving a recycling effect. After workpiece B is processed, workpiece A is removed and replaced with workpiece C. The laser welding head, Z-axis assembly, Y-axis assembly, and X-axis assembly are turned off, the motor is started, sliding plate A is positioned below the welding head, and sliding plate B is positioned below pipe D. The motor is turned off, the pump is started, valve A is closed and valve B is opened, and the coolant inside the collection tank is drawn out. After passing through pipes A and B, it is sprayed out from pipe D to cool workpiece B. At the same time, the laser welding head, Z-axis assembly, Y-axis assembly, and X-axis assembly are started, so that the laser welding head welds workpiece C, starting a new round of processing. In summary, this utility model has the beneficial effect of rapidly cooling workpieces, solving the problem that existing laser welding machines usually do not have heat dissipation or cooling devices for workpieces, making it impossible to quickly cool the welded workpieces, which leads to workers being easily burned by the high surface temperature of the welded workpieces when handling them. Attached Figure Description

[0013] Appendix Figure 1 This is a front view of the present invention;

[0014] Appendix Figure 2 This is a schematic diagram of the left side structure of this utility model;

[0015] Appendix Figure 3 This is a schematic diagram of the right side structure of this utility model;

[0016] AppendixFigure 4 This is a schematic diagram of the top structure of this utility model.

[0017] In the diagram: 1. Frame; 2. Laser welding head; 3. Support column; 4. Z-axis assembly; 5. Y-axis assembly; 6. X-axis assembly; 7. Mounting bracket A; 8. Mounting bracket B; 9. Sliding plate A; 10. Sliding plate B; 11. Fixture; 12. Cooling rack; 13. Liquid collection tank; 14. Liquid pump; 15. Pipe A; 16. Pipe B; 17. Pipe C; 18. Pipe D; 19. Through groove A; 20. Through groove B; 21. Motor; 22. Lead screw; 23. Slide rail; 24. Slider; 25. Valve A; 26. Valve B; 27. Sprinkler head; 28. Filter screen; 29. ​​Fan; 30. Mounting slot; 31. Controller. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0019] like Figures 1-4As shown, this utility model discloses a laser welding machine with a cooling device, including a frame 1, a laser welding head 2, a support column 3 fixedly mounted above the frame 1, a Z-axis assembly 4 connected to the laser welding head 2 and used to drive the laser welding head 2 to move along the Z-axis, a Y-axis assembly 5 connected to the Z-axis assembly 4 and used to drive the Z-axis assembly 4 to move along the Y-axis, and an X-axis assembly 6 connected to the Y-axis assembly 5 and used to drive the Y-axis assembly 5 to move along the X-axis. The X-axis assembly 6 is fixedly mounted above the support column 3. A mounting device and a cooling device are provided above the frame 1. The mounting device includes a mounting frame A7 and a mounting frame B8 fixedly mounted above the frame 1, sliding plates A9 and B10 respectively slidably mounted on the mounting frames A7 and B8, a clamp 11 fixedly mounted above the sliding plates A9 and B10, and a driving assembly. The mounting frame A7 is located in front of the mounting frame B8, and the sliding plates A9 and B10 are slidably mounted on the mounting frames A7 and B8 respectively. All 0 are connected to the drive assembly. The cooling device includes a cooling rack 12 fixedly mounted above the frame 1, a liquid receiving tank 13 fixedly mounted on the frame 1 and located below mounting brackets A7 and B8, a liquid pump 14 fixedly mounted on the liquid receiving tank 13, pipes A15 and B16, and pipes C17 and D18 fixedly mounted on pipe B16. Mounting brackets A7 and B8 are each provided with several through slots A19. The top wall of the frame 1 is provided with... Several through slots B20 are provided. Through slot A19 overlaps with through slot B20 and is located directly above liquid receiving tank 13. Both ends of pipe A15 are connected to the liquid inlet of liquid pump 14 and the inside of liquid receiving tank 13, respectively. One end of pipe B16 is connected to the liquid outlet of liquid pump 14 and the other end is closed. Pipes C17 and D18 are fixedly connected to cooling rack 12 and extend below cooling rack 12. Pipes C17 and D18 are located above mounting bracket A7 and mounting bracket B8, respectively.In use, the motor 21 is started, driving the sliding plates A9 and B10 to move, so that sliding plate A9 is below the welding head and sliding plate B10 is below pipe D18. The motor 21 is then turned off, and the coolant is poured into the collection tank 13. The workpieces A and B to be welded are clamped in the fixtures 11 on sliding plates A9 and B10 respectively. The laser welding head 2, Z-axis assembly 4, Y-axis assembly 5, and X-axis assembly 6 are started, so that the laser welding head 2 welds workpiece A. After workpiece A is processed, the laser welding head 2, Z-axis assembly 4, Y-axis assembly 5, and X-axis assembly 6 are turned off. 6. Start motor 21 to move sliding plates A9 and B10, positioning sliding plate B10 below the welding head and sliding plate A9 below pipe C17. Start pump 14, close valve B26 and open valve A25. Pump 14 draws coolant from the collection tank 13, which is then sprayed out from pipe C17 through pipes A15 and B16 to cool workpiece A, achieving rapid cooling. Simultaneously, start laser welding head 2, Z-axis assembly 4, Y-axis assembly 5, and X-axis assembly 6, enabling laser welding head 2 to weld workpiece B, thus cooling workpiece A and welding workpiece B. The simultaneous processing of workpieces improves work efficiency. After workpiece A cools down, the pump 14 is turned off, and the coolant flows back into the collection tank 13 through channels A19 and B20, achieving a recycling effect. After workpiece B is processed, workpiece A is removed and replaced with workpiece C. The laser welding head 2, Z-axis assembly 4, Y-axis assembly 5, and X-axis assembly 6 are turned off, and the motor 21 is started. The sliding plate A9 is positioned below the welding head, and the sliding plate B10 is positioned below the tube D18. The motor 21 is turned off, the pump 14 is started, valve A25 is closed, and valve B26 is opened to cool the contents of the collection tank 13. The cooling liquid is extracted, passes through pipes A15 and B16, and is ejected from pipe D18 to cool workpiece B. Simultaneously, laser welding head 2, Z-axis assembly 4, Y-axis assembly 5, and X-axis assembly 6 are activated, enabling laser welding head 2 to weld workpiece C and begin a new round of processing. In summary, this invention has the beneficial effect of rapidly cooling the workpiece, solving the problem that existing laser welding machines typically lack heat dissipation or cooling devices for the workpiece, making it impossible to quickly cool the welded workpiece, which leads to workers being easily burned by the high surface temperature of the welded workpiece when handling it.

[0020] Preferably, the driving assembly includes a motor 21 fixedly mounted on mounting brackets A7 and B8, a lead screw 22 rotatably mounted on mounting brackets A7 and B8, a slide rail 23 fixedly mounted on mounting brackets A7 and B8, and a slider 24 fixedly mounted below sliding plates A9 and B10. The output shaft of the motor 21 is fixedly connected to the lead screw 22, and the slider 24 is slidably connected to the slide rail 23. Because the output shaft of the motor 21 is fixedly connected to the lead screw 22, and the slider 24 is slidably connected to the slide rail 23, it facilitates the movement of sliding plates A9 and B10.

[0021] Preferably, the cooling device further includes valves A25 and B26 respectively installed on pipe C17 and pipe D18. Since valves A25 and B26 are installed on pipe C17 and pipe D18 respectively, they facilitate the control of which pipe the coolant flows out from.

[0022] Preferably, the cooling device further includes water spray nozzles 27 fixedly installed below pipes C17 and D18. Since water spray nozzles 27 are fixedly installed below both pipes C17 and D18, they expand the spraying area and ensure uniform cooling of the workpiece.

[0023] Preferably, the cooling device further includes a filter screen 28 fixedly installed inside the liquid collection tank 13. Since the filter screen 28 is fixedly installed inside the liquid collection tank 13, it serves to filter welding impurities and prevent welding impurities from falling into the liquid collection tank 13.

[0024] Preferably, the cooling device further includes a fan 29, and a mounting groove 30 is provided on the rear side wall of the cooling rack 12. The fan 29 is inserted into the mounting groove 30 and fixedly connected to the cooling rack 12 by screws. Since the fan 29 is fixedly connected to the cooling rack 12 by screws after being inserted into the mounting groove 30, starting the fan 29 to blow air can accelerate the cooling speed of the workpiece.

[0025] Preferably, the cooling device further includes a controller 31. Valve A25 and valve B26 are both electric valves. The liquid pump 14, valve A25, and valve B26 are all connected to the controller 31 via wires. The motor 21, laser welding head 2, Z-axis assembly 4, Y-axis assembly 5, and X-axis assembly 6 are also connected to the controller 31 via wires, facilitating the control of the opening and closing of each component. (The functions to be achieved by each piece of hardware in this invention are supported by numerous mature technologies. The essence of this invention lies in its specific application; the above connection and control methods are existing technologies and do not involve modifications to the internal software of the hardware.)

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A laser welding machine with a cooling device, comprising a frame (1), a laser welding head (2), a support column (3) fixedly disposed above the frame (1), a Z-axis assembly (4) connected to the laser welding head (2) and used to drive the laser welding head (2) to move along the Z-axis, a Y-axis assembly (5) connected to the Z-axis assembly (4) and used to drive the Z-axis assembly (4) to move along the Y-axis, and an X-axis assembly (6) connected to the Y-axis assembly (5) and used to drive the Y-axis assembly (5) to move along the X-axis, wherein the X-axis assembly (6) is fixedly disposed above the support column (3), characterized in that: The frame (1) is provided with an installation device and a cooling device. The installation device includes a mounting frame A (7) and a mounting frame B (8) fixedly mounted on the frame (1), a sliding plate A (9) and a sliding plate B (10) respectively slidably mounted on the mounting frame A (7) and the mounting frame B (8), a clamp (11) fixedly mounted on the sliding plate A (9) and the sliding plate B (10), and a drive assembly. The mounting frame A (7) is located in front of the mounting frame B (8), and the sliding plate A (9) and the sliding plate B (10) are both connected to the drive assembly. The cooling device includes a cooling frame (12) fixedly mounted on the frame (1), a liquid collection tank (13) fixedly mounted on the frame (1) and located below the mounting frame A (7) and the mounting frame B (8), and a liquid pump (14) fixedly mounted on the liquid collection tank (13). Pipes A (15) and B (16), pipes C (17) and D (18) fixedly installed on pipe B (16), and several through slots A (19) are opened on the mounting brackets A (7) and B (8). Several through slots B (20) are opened on the top wall of the frame (1). The through slots A (19) and B (20) overlap and are located directly above the liquid receiving tank (13). The two ends of pipe A (15) are respectively connected to the liquid inlet of the liquid pump (14) and the inside of the liquid receiving tank (13). One end of pipe B (16) is connected to the liquid outlet of the liquid pump (14) and the other end is closed. Pipes C (17) and D (18) are fixedly connected to the cooling rack (12) and extend below the cooling rack (12). Pipes C (17) and D (18) are respectively located above the mounting brackets A (7) and B (8).

2. The laser welding machine with a cooling device according to claim 1, characterized in that: The drive assembly includes a motor (21) fixedly mounted on mounting bracket A (7) and mounting bracket B (8), a lead screw (22) rotatably mounted on mounting bracket A (7) and mounting bracket B (8), a slide rail (23) fixedly mounted on mounting bracket A (7) and mounting bracket B (8), and a slider (24) fixedly mounted below sliding plate A (9) and sliding plate B (10). The output shaft of the motor (21) is fixedly connected to the lead screw (22), and the slider (24) is slidably connected to the slide rail (23).

3. A laser welding machine with a cooling device according to claim 1, characterized in that: The cooling device also includes valves A (25) and B (26) respectively installed on pipe C (17) and pipe D (18).

4. A laser welding machine with a cooling device according to claim 1, characterized in that: The cooling device also includes a water spray nozzle (27) fixedly installed below pipe C (17) and pipe D (18).

5. A laser welding machine with a cooling device according to claim 1, characterized in that: The cooling device also includes a filter screen (28) fixedly installed inside the liquid collection tank (13).

6. A laser welding machine with a cooling device according to claim 1, characterized in that: The cooling device also includes a fan (29), and an installation groove (30) is provided on the rear side wall of the cooling rack (12). After the fan (29) is inserted into the installation groove (30), it is fixedly connected to the cooling rack (12) by screws.

7. A laser welding machine with a cooling device according to claim 3, characterized in that: The cooling device also includes a controller (31), valves A (25) and B (26) are both electric valves, and the liquid pump (14), valves A (25) and B (26) are all connected to the controller (31) via wires.