Blue light laser welding machine

Through the blue light laser welding machine, the blue light laser and optical elements are used to focus the high energy density spot, which solves the problem of low absorption rate of infrared laser welding on highly reflective materials, and achieves efficient and high-quality welding effects. It is suitable for highly reflective materials and precision manufacturing.

CN223394522UActive Publication Date: 2025-09-30CONVERGENCE LASER INTELLIGENT EQUIP (SUZHOU) CO LTD
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Patent Information

Application Number
CN202422539764.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-09-30
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

Existing infrared laser welding technology has low absorption rate, poor welding efficiency and quality, and a large heat-affected zone when processing highly reflective materials.

Method used

A blue light laser welding machine is used, which uses a blue light laser to emit laser light of specific wavelength and power, which is transmitted to the welding head through an optical fiber line. It is combined with a lens and a reflector to focus into a high-energy density light spot to achieve efficient welding of highly reflective materials.

Benefits of technology

It improves the welding efficiency and quality of highly reflective materials, reduces welding defects, expands the application field of laser welding, and is suitable for the manufacture of micro parts and precision instruments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of laser welding equipment, in particular to a blue light laser welding machine which comprises a workbench, a door body, a blue light laser, an optical fiber cable, a welding head, a control component and an auxiliary unit, the door body is rotatably connected with the workbench and located on one side of the workbench, and the blue light laser is fixedly connected with the workbench and located in the workbench. One end of the optical fiber cable is fixedly connected with the output end of the blue light laser and located on the outer side of the workbench, the welding head is fixedly connected with the optical fiber cable and located at the end, away from the blue light laser, of the optical fiber cable, the control component is arranged above the workbench, and the auxiliary unit is arranged on the outer side of the workbench. The welding head is driven to move through the control part, the blue laser is started to emit blue laser with specific wavelength and power, the laser is transmitted to the welding head through the optical fiber cable, the blue laser is focused on the surface of a workpiece, and high-quality welding is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of laser welding equipment, in particular to a blue laser welding machine. Background Art

[0002] In today's industrial manufacturing field, laser welding technology is an advanced technology that uses laser beam as a heat source for welding. It has the advantages of high energy density, fast welding speed, and small heat-affected zone. It is widely used in the automotive, aerospace, electronics and other industries.

[0003] The existing laser welding technology is mainly based on infrared laser welding machines, which perform well in welding many common materials.

[0004] However, in the existing technology, the existing infrared laser welding technology has problems such as low absorption rate, poor welding efficiency and quality, and a large heat-affected zone when processing highly reflective materials. Utility Model Content

[0005] The purpose of the utility model is to provide a blue light laser welding machine, which aims to solve the technical problems of the existing infrared laser welding technology in the prior art, such as low absorption rate, poor welding efficiency and quality, and large heat-affected zone when processing highly reflective materials.

[0006] To achieve the above-mentioned purpose, the utility model adopts a blue light laser welding machine, which includes a workbench, a door body and a welding assembly. The door body is rotatably connected to the workbench and is located on one side of the workbench. The welding assembly is arranged on one side of the workbench.

[0007] The welding assembly includes a blue light laser, an optical fiber, a welding head, a control component and an auxiliary unit. The blue light laser is fixedly connected to the workbench and is located inside the workbench. One end of the optical fiber is fixedly connected to the output end of the blue light laser and is located outside the workbench. The welding head is fixedly connected to the optical fiber and is located at the end of the optical fiber away from the blue light laser. The control component is arranged above the workbench, and the auxiliary unit is arranged outside the workbench.

[0008] The control component includes a computer, a fixed rod, a display and a mobile unit. The computer is fixedly connected to the workbench and is located inside the workbench, and the computer is located above the blue light laser. The fixed rod is fixedly connected to the workbench and is located above the workbench. The display is fixedly connected to the fixed rod and is located at one end of the fixed rod. The mobile unit is arranged above the workbench.

[0009] Among them, the control component also includes a chiller and a first universal wheel. The chiller is arranged on the outside of the workbench and is located on the side of the workbench away from the fixed rod. The first universal wheel is rotatably connected to the chiller and is located below the chiller.

[0010] In which, the moving unit includes a three-axis screw guide rail module, three servo motors and a connecting block. The three-axis screw guide rail module is fixedly connected to the workbench and is located above the workbench. The three servo motors are fixedly connected to the three-axis screw guide rail module and are located on the outside of the three-axis screw guide rail module. The connecting block is fixedly connected to the three-axis screw guide rail module and is located at one end of the three-axis screw guide rail module close to the welding head, and the connecting block is fixedly connected to the welding head.

[0011] Wherein, the mobile unit further includes a second universal wheel, which is fixedly connected to the workbench and is located below the workbench.

[0012] Among them, the auxiliary unit includes a limit plate and a heat sink. The limit plate is fixedly connected to the workbench and is located inside the workbench. The blue light laser and the computer are both detachably connected to the limit plate. The heat sink is fixedly connected to the workbench and is located on one side of the workbench. The surface of the heat sink has through holes.

[0013] The utility model provides a blue laser welding machine. The workpiece to be welded is placed on the workbench. The welding head is driven to move by the control component. The blue laser is started to emit a blue laser of a specific wavelength and power. The laser is transmitted to the welding head through the optical fiber. The welding head focuses the laser into a high-energy-density light spot through internal optical elements such as lenses and reflectors, and adjusts the shape and size of the light spot as needed, and focuses the blue laser on the surface of the workpiece to achieve high-quality welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a structural schematic diagram of the blue light laser welding machine of the present utility model.

[0016] Figure 2 It is a front view of the blue light laser welding machine of the present invention.

[0017] Figure 3 It is a side view of the blue light laser welding machine of the present invention.

[0018] Figure 4 It is a top view of the blue light laser welding machine of the present invention.

[0019] 1-workbench, 2-door, 3-blue light laser, 4-optical fiber, 5-welding head, 6-computer, 7-fixed rod, 8-display, 9-chiller, 10-first universal wheel, 11-three-axis screw guide module, 12-servo motor, 13-connecting block, 14-second universal wheel, 15-limiting plate, 16-heat sink. DETAILED DESCRIPTION

[0020] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0021] See also Figures 1 to 4 ,in Figure 1 This is a schematic diagram of the structure of the blue laser welding machine of the utility model. Figure 2 This is the front view of the blue laser welding machine of the utility model. Figure 3 This is a side view of the blue laser welding machine of the utility model. Figure 4 It is a top view of the blue light laser welding machine of the present invention.

[0022] The utility model provides a blue light laser welding machine, comprising a workbench 1, a door body 2 and a welding assembly, wherein the door body 2 is rotatably connected to the workbench 1 and is located on one side of the workbench 1, and the welding assembly is arranged on one side of the workbench 1;

[0023] The welding assembly includes a blue light laser 3, an optical fiber 4, a welding head 5, a control component and an auxiliary unit. The blue light laser 3 is fixedly connected to the workbench 1 and is located inside the workbench 1. One end of the optical fiber 4 is fixedly connected to the output end of the blue light laser 3 and is located outside the workbench 1. The welding head 5 is fixedly connected to the optical fiber 4 and is located at the end of the optical fiber 4 away from the blue light laser 3. The control component is arranged above the workbench 1, and the auxiliary unit is arranged outside the workbench 1.

[0024] In this embodiment, the workpiece to be welded is placed on the workbench 1, the welding head 5 is moved by the control component, the blue laser 3 is started to emit a blue laser of a specific wavelength and power, and the laser is transmitted to the welding head 5 through the optical fiber 4. The welding head 5 focuses the laser into a high-energy-density spot through internal optical elements such as lenses and reflectors, and adjusts the shape and size of the spot as needed, and focuses the blue laser on the surface of the workpiece. When welding highly reflective materials such as copper and aluminum, the energy absorption rate of infrared lasers is usually low, which causes a large amount of laser energy to be reflected and not effectively utilized. The absorption rate of blue laser is significantly higher than that of infrared laser, which means that the same welding task can be completed in a shorter time, thereby improving the efficiency of welding. Due to sufficient energy absorption, the weld joint is more firm and uniform, reducing the occurrence of defects such as incomplete welding and porosity, and improving the reliability and stability of the product. At the same time, in addition to common materials, it can excellently complete the welding of highly reflective materials, expanding the application field of laser welding technology. The control component can achieve finer and more complex welding structures, which is suitable for the manufacture of micro-components and precision instruments, improving the accuracy and quality of products, thereby achieving high-quality welding.

[0025] Furthermore, the control component includes a computer 6, a fixed rod 7, a display 8 and a mobile unit, the computer 6 is fixedly connected to the workbench 1 and is located inside the workbench 1, and the computer 6 is located above the blue light laser 3, the fixed rod 7 is fixedly connected to the workbench 1 and is located above the workbench 1, the display 8 is fixedly connected to the fixed rod 7 and is located at one end of the fixed rod 7, and the mobile unit is arranged above the workbench 1.

[0026] In this embodiment, the fixing rod 7 fixes the position of the display 8. Through the cooperation between the display 8 and the computer 6, the moving unit can be controlled to drive the welding head 5 to move, making the welding more precise.

[0027] Furthermore, the control component also includes a chiller 9 and a first universal wheel 10. The chiller 9 is arranged on the outside of the workbench 1 and is located on the side of the workbench 1 away from the fixed rod 7. The first universal wheel 10 is rotatably connected to the chiller 9 and is located below the chiller 9.

[0028] In this embodiment, the first universal wheel 10 can increase the degree of freedom of the water cooler when moving, and the water cooler can cool the blue laser 3 and other heat-generating components.

[0029] Furthermore, the mobile unit includes a three-axis screw guide rail module 11, three servo motors 12 and a connecting block 13. The three-axis screw guide rail module 11 is fixedly connected to the workbench 1 and is located above the workbench 1. The three servo motors 12 are fixedly connected to the three-axis screw guide rail module 11 and are located on the outside of the three-axis screw guide rail module 11. The connecting block 13 is fixedly connected to the three-axis screw guide rail module 11 and is located at one end of the three-axis screw guide rail module 11 close to the welding head 5, and the connecting block 13 is fixedly connected to the welding head 5.

[0030] In this embodiment, the connecting block 13 connects the welding head 5 with the three-axis screw guide module 11, and the three servo motors 12 can provide power for the three-axis screw guide module 11, so that the movement and positioning of the welding head 5 can be controlled by controlling the three-axis screw guide module 11.

[0031] Furthermore, the mobile unit further includes a second universal wheel 14 , which is fixedly connected to the workbench 1 and is located below the workbench 1 .

[0032] In this embodiment, the second universal wheel 14 increases the degree of freedom of the workbench 1 during movement, thereby facilitating the movement of the workbench 1 .

[0033] Furthermore, the auxiliary unit includes a limit plate 15 and a heat sink 16, the limit plate 15 is fixedly connected to the workbench 1 and is located inside the workbench 1, and the blue light laser 3 and the computer 6 are both detachably connected to the limit plate 15, the heat sink 16 is fixedly connected to the workbench 1 and is located on one side of the workbench 1, and the surface of the heat sink 16 has through holes.

[0034] In this embodiment, the limiting plate 15 can fix and limit the blue laser 3 and the computer 6, and the heat sink 16 can protect the components inside the workbench 1. At the same time, the through holes on its surface can passively dissipate heat inside the workbench 1.

[0035] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the utility model.

Claims

1. A blue laser welding machine, characterized in that, It includes a workbench, a door body and a welding assembly, wherein the door body is rotatably connected to the workbench and is located on one side of the workbench, and the welding assembly is arranged on one side of the workbench; The welding assembly includes a blue light laser, an optical fiber, a welding head, a control component and an auxiliary unit. The blue light laser is fixedly connected to the workbench and is located inside the workbench. One end of the optical fiber is fixedly connected to the output end of the blue light laser and is located outside the workbench. The welding head is fixedly connected to the optical fiber and is located at the end of the optical fiber away from the blue light laser. The control component is arranged above the workbench, and the auxiliary unit is arranged outside the workbench.

2. The blue light laser welding machine according to claim 1, characterized in that: The control component includes a computer, a fixed rod, a display and a mobile unit. The computer is fixedly connected to the workbench and is located inside the workbench, and the computer is located above the blue light laser. The fixed rod is fixedly connected to the workbench and is located above the workbench. The display is fixedly connected to the fixed rod and is located at one end of the fixed rod. The mobile unit is arranged above the workbench.

3. The blue light laser welding machine according to claim 2, characterized in that: The control component also includes a chiller and a first universal wheel. The chiller is arranged on the outside of the workbench and is located on the side of the workbench away from the fixed rod. The first universal wheel is rotatably connected to the chiller and is located below the chiller.

4. The blue light laser welding machine according to claim 2, characterized in that: The moving unit includes a three-axis screw guide rail module, three servo motors and a connecting block. The three-axis screw guide rail module is fixedly connected to the workbench and is located above the workbench. The three servo motors are fixedly connected to the three-axis screw guide rail module and are located on the outside of the three-axis screw guide rail module. The connecting block is fixedly connected to the three-axis screw guide rail module and is located at one end of the three-axis screw guide rail module close to the welding head, and the connecting block is fixedly connected to the welding head.

5. The blue light laser welding machine according to claim 2, characterized in that: The mobile unit further includes a second universal wheel, which is fixedly connected to the workbench and is located below the workbench.

6. The blue light laser welding machine according to claim 2, characterized in that: The auxiliary unit includes a limit plate and a heat sink. The limit plate is fixedly connected to the workbench and is located inside the workbench. The blue light laser and the computer are both detachably connected to the limit plate. The heat sink is fixedly connected to the workbench and is located on one side of the workbench. The surface of the heat sink has through holes.