Laser welding machine

Abstract

The utility model relates to the technical field of welding equipment, in particular to a laser welding machine which comprises a base, a shell, an L-shaped laser welding light path system, a power supply system, a heat dissipation device, a camera shooting device, a display controller and a microscope, a control installation position and a welding bin are arranged on the front side of the base, and a welding disc is detachably arranged on the bottom wall of the welding bin. The camera shooting device corresponds to the camera shooting output end of the L-shaped laser welding light path system, an L-shaped mounting cavity, a power supply mounting position and a heat dissipation mounting position are arranged on the rear side of the base, the focus lens unit is located at the top of the welding bin and corresponds to the welding disc, and the microscope is arranged on the shell and right faces the upper portion of the focus lens unit. The L-shaped laser welding light path system is reasonable and compact in structural layout, modular assembly is achieved, the L-shaped laser welding light path system can change the irradiation path of laser, the length of the laser welding light path system is greatly shortened, and the size of the laser welding machine is greatly reduced under the condition that the height of the laser welding machine is not increased.

Description

Technical Field

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

[0002] In the prior art, generally, a laser welding machine is used to perform laser welding on workpieces. The principle of laser welding is to use high-energy pulsed laser to heat a local position of the workpiece, so that the local position of the workpiece melts to complete the laser welding work. The applicant applied for a Chinese patent document with the application number 202122034522.1 on August 26, 2021, which discloses a desktop laser welding machine, including a housing, a display controller, a microscope, a laser welding optical path system, a power supply system and a heat dissipation device. A welding chamber is provided at the front end of the housing. The laser welding optical path system includes a laser generator, a total reflection mirror unit, a semi-reflection mirror unit, a first beam expander unit, a second beam expander unit, a first 45° reflection mirror unit, a focusing mirror unit located below the first 45° reflection mirror unit, a second 45° reflection mirror unit provided above the first 45° reflection mirror unit, and a camera device provided on the output side of the second 45° reflection mirror unit. The microscope is located above the second 45° reflection mirror unit, and the focusing mirror unit protrudes into the welding chamber. Since the laser welding optical path system of this patent document is arranged in a straight line, the occupied area of the laser welding optical path system in the length direction is large, resulting in a longer length of the laser welding machine, which is not conducive to reducing the volume of the laser welding machine. Summary of the Utility Model

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a laser welding machine.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A laser welding machine, which includes a base, a housing, an L-shaped laser welding optical path system, a power supply system, a heat dissipation device, a camera device, a display controller, and a microscope. The housing is covered outside the base. The power supply system is used to supply power to the L-shaped laser welding optical path system. The heat dissipation device is used to dissipate heat from the inside of the housing and / or the L-shaped laser welding optical path system. On the front side of the base, a control installation position and a welding chamber are arranged from top to bottom. The bottom wall of the welding chamber is detachably provided with a welding plate. The camera device is correspondingly arranged with the camera output end of the L-shaped laser welding optical path system. The display controller is arranged at the control installation position. The camera device is electrically connected to the display controller. On the rear side of the base, an L-shaped installation cavity, a power supply installation position, and a heat dissipation installation position are arranged. The opening of the L-shaped installation cavity faces downward. The power supply installation position and the heat dissipation installation position are respectively located on both sides of the L-shaped installation cavity. The L-shaped laser welding optical path system is detachably installed in the L-shaped installation cavity. The power supply system is detachably installed in the power supply installation position. The heat dissipation device is detachably installed in the heat dissipation installation position. A focusing lens unit is arranged at the laser output end of the L-shaped laser welding optical path system. The focusing lens unit is located at the top of the welding chamber and is correspondingly arranged with the welding plate. The microscope is installed on the housing and is directly opposite and above the focusing lens unit.

[0006] Further, the L-shaped laser welding optical path system includes a mounting seat, a total reflection mirror unit, a laser generator, a semi-reflection mirror unit, a first 45° reflection mirror unit, a first beam expander unit, a second beam expander unit, a second 45° reflection mirror unit, and a third 45° reflection mirror unit. The mounting seat includes a vertical plate and a horizontal plate perpendicularly connected to the vertical plate. The camera device is horizontally arranged on one side of the horizontal plate. The focusing lens unit is vertically arranged on the bottom surface of the horizontal plate. The total reflection mirror unit, the laser generator, the semi-reflection mirror unit, and the first 45° reflection mirror unit are sequentially arranged on the outer side surface of the vertical plate from bottom to top. The total reflection mirror unit is located at one end of the laser generator. The total reflection mirror unit is arranged opposite to the semi-reflection mirror unit. The first 45° reflection mirror unit is located at the corner of the vertical plate and the horizontal plate. The first beam expander unit, the second beam expander unit, the second 45° reflection mirror unit, and the third 45° reflection mirror unit are sequentially arranged on the top surface of the horizontal plate. The first beam expander unit is located on the output side of the first 45° reflection mirror unit. The camera device is located on the output side of the second 45° reflection mirror unit. The focusing lens unit is located on the output side of the third 45° reflection mirror unit. The second 45° reflection mirror unit can transmit laser and reflect visible light. The third 45° reflection mirror unit can reflect visible light and totally reflect laser. The microscope is located above the third 45° reflection mirror unit.

[0007] Further, the semi-reflective mirror unit includes a first lens bracket installed on the vertical plate and a semi-reflective lens installed on the first lens bracket; the first 45° reflecting mirror unit includes a cylinder installed on the first lens bracket and a first 45° reflecting lens installed on the cylinder. An optical output hole is formed in the side wall of the cylinder. The included angle between the first 45° reflecting lens and the semi-reflective lens is 45°, and the included angle between the first 45° reflecting lens and the first beam expander unit is 45°. The first beam expander unit is disposed opposite to the first 45° reflecting lens via the optical output hole.

[0008] Further, the laser welding optical path system further includes a position adjusting mechanism installed on the horizontal plate. The first beam expander unit is connected to the adjusting end of the position adjusting mechanism. The first beam expander unit is slidably connected to the horizontal plate. The position adjusting mechanism is used to adjust the distance between the first beam expander unit and the second beam expander unit.

[0009] Further, the control installation position is rotatably connected with an angle adjusting frame via a free-stop damping shaft, and the display controller is installed on the angle adjusting frame.

[0010] Further, an adjusting hole communicating with the L-shaped installation cavity is provided on the inner wall of the control installation position. The adjusting hole is exposed in the inner hole of the angle adjusting frame. The adjusting hole is correspondingly arranged with the third 45° reflecting mirror unit. One side of the display controller is rotatably connected to one side of the angle adjusting frame, and the other side of the display controller is detachably buckled to the other side of the angle adjusting frame.

[0011] Further, an adjusting control button is provided on the front surface of the housing. The adjusting control button is electrically connected to the power supply system. The adjusting control button is located on one side of the welding chamber.

[0012] Further, an annular lamp or / and a plurality of spotlights are installed on the top wall of the welding chamber; correspondingly, the annular lamp or / and the plurality of spotlights are arranged in the circumferential direction of the focusing lens unit.

[0013] Further, the total reflecting mirror unit includes a second lens bracket installed on the vertical plate and a total reflecting lens installed on the second lens bracket; a red light calibrator is installed on the vertical plate or the second lens bracket. The red light calibrator is located below the total reflecting lens, and the second lens bracket can adjust the angle of the total reflecting lens.

[0014] Further, a through hole communicating with the bottom port of the L-shaped installation cavity is formed on the bottom surface of the base. A cover plate is detachably installed at the through hole. The through hole is correspondingly arranged with the total reflecting mirror unit.

[0015] Advantages of the present utility model: In practical applications, the workpiece is placed above the welding plate in the welding chamber, and the workpiece is located below the focusing lens unit. The laser emitted by the L-shaped laser welding optical path system is irradiated on the workpiece through the focusing lens unit to perform laser welding on the workpiece. During the laser welding process, the visible light of the workpiece is reflected to the imaging device through the L-shaped laser welding optical path system. The imaging device images the laser welding process and displays it through the display controller to achieve the visualization of laser welding. Moreover, the operator can directly observe the laser welding situation in the welding chamber through the microscope; when cleaning is required, only the welding plate needs to be disassembled, which is convenient for cleaning. The L-shaped laser welding optical path system, the power supply system, and the heat dissipation device are respectively installed in the L-shaped installation cavity, the power supply installation position, and the heat dissipation installation position, making the layout of the laser welding machine reasonable and the structure compact. The modular assembly of the L-shaped laser welding optical path system, the power supply system, and the heat dissipation device is realized. Moreover, the L-shaped laser welding optical path system can change the irradiation path of the laser, greatly shortening the length of the laser welding optical path system. Without increasing the height of the laser welding machine and making reasonable use of the height of the laser welding machine, the volume of the laser welding machine is greatly reduced. Brief Description of the Drawings

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0017] Figure 2 It is an exploded structural schematic diagram of the present utility model.

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the present utility model after hiding the housing.

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the L-shaped laser welding optical path system, the imaging device, the focusing lens unit, and the display controller of the present utility model.

[0020] Description of the Reference Numerals:

[0021] 1. Base; 2. Outer shell; 3. L-shaped laser welding optical path system; 4. Power supply system; 5. Heat dissipation device; 6. Camera device; 7. Display controller; 8. Microscope; 9. Manipulation installation position; 10. Welding chamber; 11. Welding plate; 12. L-shaped installation cavity; 13. Power supply installation position; 14. Heat dissipation installation position; 15. Focusing lens unit; 16. Mounting seat; 17. Total reflection mirror unit; 18. Laser generator; 19. Semi-reflection mirror unit; 20. First 45° reflection mirror unit; 21. First beam expander unit; 22. Second beam expander unit; 23. Second 45° reflection mirror unit; 24. Third 45° reflection mirror unit; 25. Vertical plate; 26. Horizontal plate; 27. First lens holder; 28. Semi-reflection lens; 29. Cylinder; 30. First 45° reflection lens; 31. Light exit hole; 32. Position adjustment mechanism; 33. Angle adjustment frame; 34. Adjustment control button; 35. Second lens holder; 36. Total reflection lens. Detailed implementation mode

[0022] For the convenience of understanding by those skilled in the art, the following combines the embodiments and the drawings to further illustrate the present invention. The content mentioned in the implementation mode does not limit the present invention.

[0023] As Figures 1 to 4 shown, a laser welding machine provided by the present invention includes a base 1, an outer shell 2, an L-shaped laser welding optical path system 3, a power supply system 4, a heat dissipation device 5, a camera device 6, a display controller 7 and a microscope 8. The outer shell 2 is covered outside the base 1. The power supply system 4 is used to supply power to the L-shaped laser welding optical path system 3. The heat dissipation device 5 is used to dissipate heat from the inside of the outer shell 2 or / and the L-shaped laser welding optical path system 3. The front side of the base 1 is provided with a manipulation installation position 9 and a welding chamber 10 from top to bottom. The bottom wall of the welding chamber 10 is detachably provided with a welding plate 11. The camera device 6 is correspondingly arranged with the camera output end of the L-shaped laser welding optical path system 3. The display controller 7 is arranged at the manipulation installation position 9. The camera device 6 is electrically connected to the display controller 7. The rear side of the base 1 is provided with an L-shaped installation cavity 12, a power supply installation position 13 and a heat dissipation installation position 14. The opening of the L-shaped installation cavity 12 faces downward. The power supply installation position 13 and the heat dissipation installation position 14 are respectively located on both sides of the L-shaped installation cavity 12. The L-shaped laser welding optical path system 3 is detachably installed in the L-shaped installation cavity 12. The power supply system 4 is detachably installed in the power supply installation position 13. The heat dissipation device 5 is detachably installed in the heat dissipation installation position 14. The laser output end of the L-shaped laser welding optical path system 3 is provided with a focusing lens unit 15. The focusing lens unit 15 is located at the top of the welding chamber 10 and is correspondingly arranged with the welding plate 11. The microscope 8 is installed on the outer shell 2 and is directly opposite to the upper side of the focusing lens unit 15; specifically, the power supply system 4 is preferably a YAG laser power supply system.

[0024] In practical applications, the workpiece is placed above the welding plate 11 of the welding chamber 10 and below the focusing lens unit 15. The laser emitted by the L-shaped laser welding optical path system 3 is irradiated on the workpiece through the focusing lens unit 15 to perform laser welding on the workpiece. During the laser welding process, the visible light of the workpiece is reflected by the L-shaped laser welding optical path system 3 to the imaging device 6. The imaging device 6 images the laser welding process and displays it through the display controller 7 to achieve the visualization of laser welding. And the operator can directly observe the laser welding situation in the welding chamber 10 through the microscope 8. When cleaning is required, only the welding plate 11 needs to be disassembled, which is convenient for cleaning. The display controller 7 is arranged at the control installation position 9. The L-shaped laser welding optical path system 3, the power supply system 4, and the heat dissipation device 5 are respectively installed in the L-shaped installation cavity 12, the power supply installation position 13, and the heat dissipation installation position 14, making the layout of the laser welding machine reasonable and the structure compact. It realizes the modular assembly of the L-shaped laser welding optical path system 3, the power supply system 4, and the heat dissipation device 5. And the L-shaped laser welding optical path system 3 can change the irradiation path of the laser, greatly shortening the length of the laser welding optical path system. Without increasing the height of the laser welding machine and making reasonable use of the height of the laser welding machine, the volume of the laser welding machine is greatly reduced.

[0025] In this embodiment, the L-shaped laser welding optical path system 3 includes a mounting base 16, a total reflection mirror unit 17, a laser generator 18, a semi-reflection mirror unit 19, a first 45° reflection mirror unit 20, a first beam expander unit 21, a second beam expander unit 22, a second 45° reflection mirror unit 23, and a third 45° reflection mirror unit 24. The mounting base 16 includes a vertical plate 25 and a horizontal plate 26 perpendicularly connected to the vertical plate 25. The imaging device 6 is horizontally arranged on one side of the horizontal plate 26. The focusing lens unit 15 is vertically arranged on the bottom surface of the horizontal plate 26. The total reflection mirror unit 17, the laser generator 18, the semi-reflection mirror unit 19, and the first 45° reflection mirror unit 20 are sequentially arranged on the outer side surface of the vertical plate 25 from bottom to top. The total reflection mirror unit 17 is located at one end of the laser generator 18. The total reflection mirror unit 17 and the semi-reflection mirror unit 19 are arranged opposite to each other. The first 45° reflection mirror unit 20 is located at the corner of the vertical plate 25 and the horizontal plate 26. The first beam expander unit 21, the second beam expander unit 22, the second 45° reflection mirror unit 23, and the third 45° reflection mirror unit 24 are sequentially arranged on the top surface of the horizontal plate 26. The first beam expander unit 21 is located on the output side of the first 45° reflection mirror unit 20. The imaging device 6 is located on the output side of the second 45° reflection mirror unit 23. The focusing lens unit 15 is located on the output side of the third 45° reflection mirror unit 24. The second 45° reflection mirror unit 23 can transmit laser and reflect visible light. The third 45° reflection mirror unit 24 can reflect part of the visible light, transmit part of the visible light, and totally reflect (100% reflection) the laser. The microscope 8 is located above the third 45° reflection mirror unit 24.

[0026] In practical applications, the workpiece is placed above the welding plate 11 of the welding chamber 10 and below the focusing lens unit 15. The energy emitted by the laser generator 18 resonates through the total reflection mirror unit 17 and the semi-reflection mirror unit 19 to generate laser. Then the laser irradiates on the first 45° reflection mirror unit 20, and the first 45° reflection mirror unit 20 emits the laser at 45° to the first beam expander unit 21. After the laser passes through the first beam expander unit 21 and the second beam expander unit 22 for spot size adjustment, the laser passes through the second 45° reflection mirror unit 23 and irradiates on the third 45° reflection mirror unit 24. The third 45° reflection mirror unit 24 totally reflects the laser at 45° to the focusing lens unit 15, and the laser passes through the focusing lens unit 15 and irradiates on the workpiece to perform laser welding on the workpiece. At the same time, the visible light reflected by the workpiece passes through the third 45° reflection mirror unit 24 and the second 45° reflection mirror unit 23 in sequence, and the second 45° reflection mirror unit 23 reflects the visible light to the imaging device 6, and the imaging device 6 captures the laser welding process in real time. In addition, the operator can directly observe the laser welding process in the welding chamber 10 through the microscope 8; the imaging device 6 captures the laser welding process in real time and displays it in real time through the display controller 7, realizing welding visualization and facilitating the teaching and on-site demonstration of welding work; only by disassembling the welding plate 11 can the welding plate 11 be cleaned, which is convenient for cleaning. The L-shaped laser welding optical path system 3 can change the irradiation path of the laser, greatly shorten the length of the laser welding optical path system, and without increasing the height of the laser welding machine and reasonably utilizing the height of the laser welding machine, greatly reduce the volume of the laser welding machine.

[0027] Specifically, the imaging device 6 is a camera.

[0028] In this embodiment, the semi-reflection mirror unit 19 includes a first lens bracket 27 installed on the vertical plate 25 and a semi-reflection lens 28 installed on the first lens bracket 27; the first 45° reflection mirror unit 20 includes a cylinder 29 arranged on the first lens bracket 27 and a first 45° reflection lens 30 installed on the cylinder 29. An optical output hole 31 is formed in the side wall of the cylinder 29. The included angle between the first 45° reflection lens 30 and the semi-reflection lens 28 is 45°, and the included angle between the first 45° reflection lens 30 and the first beam expander unit 21 is 45°. The first beam expander unit 21 is arranged opposite to the first 45° reflection lens 30 via the optical output hole 31. The laser is reflected by the first 45° reflection lens 30 and then passes through the optical output hole 31 and irradiates on the first beam expander unit 21.

[0029] In this embodiment, the laser welding optical path system further includes a position adjusting mechanism 32 installed on the cross plate 26. The first beam expander unit 21 is connected to the adjusting end of the position adjusting mechanism 32. The first beam expander unit 21 is slidably connected to the cross plate 26. The position adjusting mechanism 32 is used to adjust the distance between the first beam expander unit 21 and the second beam expander unit 22. Specifically, the position adjusting mechanism 32 can adopt a lead screw module, which will not be elaborated here.

[0030] In practical applications, the position of the first beam expander unit 21 is adjusted by the position adjusting mechanism 32 to adjust the distances between the first beam expander unit 21 and the second beam expander unit 22 and between the first beam expander unit 21 and the first 45° mirror unit 20, so that the spot size of the laser can be adjusted.

[0031] In this embodiment, the control installation position 9 is rotatably connected to an angle adjustment frame 33 via a free-stop damping shaft, and the display controller 7 is installed on the angle adjustment frame 33. With this structural design, the angle of the display controller 7 is adjusted by rotating the angle adjustment frame 33 relative to the control installation position 9, facilitating the operator to clearly observe the screen of the display controller 7.

[0032] In this embodiment, an adjustment hole communicating with the L-shaped installation cavity 12 is provided on the inner wall of the control installation position 9. The adjustment hole is exposed in the inner hole of the angle adjustment frame 33. The adjustment hole is correspondingly arranged with the third 45° mirror unit 24. One side of the display controller 7 is rotatably connected to one side of the angle adjustment frame 33, and the other side of the display controller 7 is detachably buckled to the other side of the angle adjustment frame 33. When the third 45° mirror unit 24 needs to be adjusted, the display controller 7 is opened relative to the angle adjustment frame 33, and the operator can adjust the third 45° mirror unit 24 through the adjustment hole.

[0033] In this embodiment, an adjustment control button 34 is provided on the front surface of the housing 2. The adjustment control button 34 is electrically connected to the power supply system 4. The adjustment control button 34 is located on one side of the welding chamber 10. The adjustment control button 34 is used to adjust the relevant parameters of laser welding; since the adjustment control button 34 is located on one side of the welding chamber 10, the operator only needs to swing the arm slightly to operate the adjustment control button 34, reducing the need for the operator to swing the arm greatly to operate the screen of the display controller 7.

[0034] In this embodiment, an annular lamp or / and multiple spotlights are installed on the top wall of the welding chamber 10; correspondingly, the annular lamp or / and multiple spotlights are arranged circumferentially around the focusing mirror unit 15. The annular lamp or spotlight can be selectively installed according to actual needs, or both the annular lamp and the spotlight can be installed simultaneously; the spotlights can be of different light sources. Both the annular lamp and the spotlights can supplement light to the workpiece, which is beneficial for the operator to more clearly observe the welding situation inside the welding chamber 10. Additionally, according to actual requirements, by changing the light angle and light color temperature of the spotlight irradiating on the workpiece, it is beneficial to improve the effect and quality of laser welding.

[0035] Specifically, a universal blow pipe is arranged inside the welding chamber 10, and the universal blow pipe is used to blow air to the workpiece to be laser welded. According to the welding of precious metals (workpieces) of different materials, in order to keep the workpiece from discoloring, different gases can be blown onto the surface of the workpiece during welding to ensure the quality of laser welding of the workpiece.

[0036] In this embodiment, the total reflection mirror unit 17 includes a second lens bracket 35 installed on the vertical plate 25 and a total reflection lens 36 installed on the second lens bracket 35; a red light calibrator is installed on the vertical plate 25 or the second lens bracket 35, and the red light calibrator is located below the total reflection lens 36. The second lens bracket 35 can adjust the angle of the total reflection lens 36. With this structural design, the irradiation path of the laser can be calibrated with the assistance of the red light calibrator; the second lens bracket 35 adjusts the angle of the total reflection lens 36 to calibrate the irradiation path of the laser. The energy emitted by the laser generator 18 resonates through the total reflection lens 36 and the semi-reflection lens 28 to generate laser.

[0037] In this embodiment, a through hole communicating with the bottom port of the L-shaped installation cavity 12 is opened on the bottom surface of the base 1, and a cover plate is detachably installed at the through hole. The through hole is correspondingly arranged with the total reflection mirror unit 17. In practical applications, by removing the cover plate, the operator can install, adjust, and maintain the total reflection mirror unit 17 through the through hole, and can also disassemble the red light calibrator.

[0038] In the practical application of the present utility model, part of the visible light passes through the third 45° reflection mirror unit 24 for the microscope 8 to observe, and the other part of the visible light is reflected by the third 45° reflection mirror unit 24 to the second 45° reflection mirror unit 23, and then reflected by the second 45° reflection mirror unit 23 to the imaging device 6. Among them, the third 45° reflection mirror unit 24 reflects the 1064-band laser to the focusing mirror unit 15.

[0039] All the technical features in this embodiment can be freely combined according to actual needs.

[0040] The above embodiments are preferred implementation solutions of the present utility model. In addition, the present utility model can also be implemented in other ways. Any obvious substitution without departing from the concept of the technical solution is within the protection scope of the present utility model.

Claims

1. A laser welding machine, characterized in that: The invention comprises a base (1), a shell (2), an L-shaped laser welding optical path system (3), a power supply system (4), a heat dissipation device (5), a camera device (6), a display controller (7) and a microscope (8); the shell (2) is covered on the outside of the base (1); the power supply system (4) is used to supply power to the L-shaped laser welding optical path system (3); the heat dissipation device (5) is used to dissipate heat from the inside of the shell (2) or / and the L-shaped laser welding optical path system (3); a control installation position (9) and a welding chamber (10) are arranged on the front side of the base (1) from top to bottom; a welding plate (11) is detachably arranged on the bottom wall of the welding chamber (10); the camera device (6) is arranged corresponding to the camera output end of the L-shaped laser welding optical path system (3); the display controller (7) is arranged on the control installation position (9); the camera device (6) and the display controller (7) are arranged on the control installation position (9); The base (1) is electrically connected, and an L-shaped installation cavity (12), a power supply installation position (13) and a heat dissipation installation position (14) are arranged on the rear side of the base (1), the opening of the L-shaped installation cavity (12) faces downward, the power supply installation position (13) and the heat dissipation installation position (14) are respectively located on both sides of the L-shaped installation cavity (12), the L-shaped laser welding optical path system (3) is detachably mounted on the L-shaped installation cavity (12), the power supply system (4) is detachably mounted on the power supply installation position (13), the heat dissipation device (5) is detachably mounted on the heat dissipation installation position (14), the laser output end of the L-shaped laser welding optical path system (3) is provided with a focusing mirror unit (15), the focusing mirror unit (15) is located on the top of the welding chamber (10) and is arranged corresponding to the welding disk (11), and the microscope (8) is mounted on the housing (2) and is arranged directly above the focusing mirror unit (15).

2. A laser welding machine according to claim 1, characterized in that: The L-shaped laser welding optical path system (3) comprises a mounting seat (16), a full-reflection mirror unit (17), a laser generator (18), a half-reflection mirror unit (19), a first 45° reflector unit (20), a first beam expander unit (21), a second beam expander unit (22), a second 45° reflector unit (23) and a third 45° reflector unit (24); the mounting seat (16) comprises a vertical plate (25) and a horizontal plate (26) vertically connected to the vertical plate (25); the camera device (6) is horizontally arranged on one side of the horizontal plate (26); the focusing mirror unit (15) is vertically arranged on the bottom surface of the horizontal plate (26); the full-reflection mirror unit (17), the laser generator (18), the half-reflection mirror unit (19) and the first 45° reflector unit (20) are arranged in sequence from bottom to top on the outer side surface of the vertical plate (25); the full-reflection mirror unit (17) is located at one end of the laser generator (18); the full-reflection mirror unit (19 ... The unit (17) is arranged opposite to the half-mirror unit (19); the first 45° reflector unit (20) is located at the corner of the vertical plate (25) and the horizontal plate (26); the first beam expander unit (21), the second beam expander unit (22), the second 45° reflector unit (23) and the third 45° reflector unit (24) are arranged on the top surface of the horizontal plate (26) in sequence; the first beam expander unit (21) is located at the output side of the first 45° reflector unit (20); the camera device (6) is located at the output side of the second 45° reflector unit (23); the focusing mirror unit (15) is located at the output side of the third 45° reflector unit (24); the second 45° reflector unit (23) can transmit laser and reflect visible light; the third 45° reflector unit (24) can reflect visible light and total reflection laser; and the microscope (8) is located above the third 45° reflector unit (24).

3. A laser welding machine according to claim 2, characterized in that: The semi-reflective mirror unit (19) comprises a first lens bracket (27) mounted on a vertical plate (25) and a semi-reflective lens (28) mounted on the first lens bracket (27); the first 45° reflective mirror unit (20) comprises a barrel (29) mounted on the first lens bracket (27) and a first 45° reflective lens (30) mounted on the barrel (29); a light exit hole (31) is provided on the side wall of the barrel (29); an included angle between the first 45° reflective lens (30) and the semi-reflective lens (28) is 45°; an included angle between the first 45° reflective lens (30) and the first beam expander unit (21) is 45°; the first beam expander unit (21) is arranged opposite to the first 45° reflective lens (30) via the light exit hole (31).

4. A laser welding machine according to claim 2, characterized in that: The laser welding optical path system also includes a position adjustment mechanism (32) installed on the horizontal plate (26); the first beam expander unit (21) is connected to the adjustment end of the position adjustment mechanism (32); the first beam expander unit (21) is slidably connected to the horizontal plate (26); and the position adjustment mechanism (32) is used to adjust the distance between the first beam expander unit (21) and the second beam expander unit (22).

5. A laser welding machine according to claim 2, characterized in that: The control installation position (9) is rotatably connected to an angle adjustment frame (33) via a random stop damping shaft, and the display controller (7) is installed on the angle adjustment frame (33).

6. A laser welding machine according to claim 5, characterized in that: The inner wall of the control installation position (9) is provided with an adjustment hole connected to the L-shaped installation cavity (12), the adjustment hole is exposed in the inner hole of the angle adjustment frame (33), the adjustment hole is arranged corresponding to the third 45° reflector unit (24), one side of the display controller (7) is rotatably connected to one side of the angle adjustment frame (33), and the other side of the display controller (7) is detachably buckled with the other side of the angle adjustment frame (33).

7. A laser welding machine according to claim 1, characterized in that: An adjustment control button (34) is provided on the front of the housing (2); the adjustment control button (34) is electrically connected to the power supply system (4); and the adjustment control button (34) is located on one side of the welding chamber (10).

8. A laser welding machine according to claim 1, characterized in that: The top wall of the welding chamber (10) is equipped with an annular light and / or a plurality of spotlights; correspondingly, the annular light and / or the plurality of spotlights are arranged in the circumference of the focusing mirror unit (15).

9. A laser welding machine according to claim 1, characterized in that: The total reflective mirror unit (17) comprises a second lens bracket (35) mounted on a vertical plate (25) and a total reflective lens (36) mounted on the second lens bracket (35); the vertical plate (25) or the second lens bracket (35) is equipped with a red light calibrator, the red light calibrator is located below the total reflective lens (36), and the second lens bracket (35) can adjust the angle of the total reflective lens (36).

10. A laser welding machine according to claim 9, characterized in that: The bottom surface of the base (1) is provided with a through hole communicating with the bottom port of the L-shaped installation cavity (12), a cover plate is detachably mounted at the through hole, and the through hole is arranged corresponding to the total reflective mirror unit (17).

Images