Filament laser welding equipment

Abstract

The invention discloses filament laser welding equipment, and relates to the technical field of laser welding equipment. The device comprises a welding platform, a laser welding device arranged on the welding platform, and a filament placing tool arranged on the welding platform; the filament placing tool comprises a reflecting plate and a transparent cover plate, and a filament placing groove is formed in the reflecting plate; the laser welding device comprises a laser mounting frame and a laser arranged on the laser mounting frame. According to the laser welding device, a laser can be conveniently and manually installed through the arranged laser installation frame, a filament needing to be welded can be conveniently and manually placed in a filament containing groove for welding through the arranged light reflecting plate, the situation that the welding position deviates due to the fact that the filament is manually held by hand for welding, and the phenomenon that the welding position deviates due to the fact that hand holding is unstable is reduced; according to the device, the filaments can be conveniently and manually placed, the ends of the filaments can be easily aligned, the filaments placed in the filament placing groove can be extruded through the arranged transparent cover plate, and laser welding is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of laser welding equipment, and in particular relates to a filament laser welding equipment. Background Art

[0002] Laser welding is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source. It is one of the important aspects of the application of laser material processing technology. The laser welding process is a heat conduction type, that is, the laser radiation heats the workpiece surface, and the surface heat diffuses to the inside through heat conduction. By controlling parameters such as the laser pulse width, energy, peak power, and repetition frequency, the workpiece is melted to form a specific molten pool.

[0003] The laser welding machine in the prior art needs to be manually held when welding thin wires. Manually holding the thin wires is prone to cause the hands to be more stable during welding, otherwise the welding end of the thin wire is prone to positional displacement. In addition, when welding thin wires, the proliferation at the welding point is large, affecting the use of the thin wire.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a filament laser welding device to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0007] A filament laser welding device comprises: a welding platform, a laser welding device arranged on the welding platform, and a filament placing tool arranged on the welding platform;

[0008] The filament placing tooling comprises a reflective plate and a transparent cover plate, and a filament placing groove is provided on the reflective plate;

[0009] The laser welding device comprises a laser mounting frame and a laser arranged on the laser mounting frame.

[0010] Optionally, an adjustment device is provided on the welding platform, and the adjustment device includes an X-axis adjustment device, a Y-axis adjustment device and a fine-tuning device.

[0011] Optionally, the X-axis adjustment device and the Y-axis adjustment device both include a shell, a first threaded rod rotatably engaged in the shell, a slider slidably engaged in the shell, a first driving member rotatably engaged on one side of the shell and fixedly connected to the first threaded rod, the slider is threadably engaged with the first threaded rod, the shell on the Y-axis adjustment device is arranged on the slider on the X-axis adjustment device, and the fine-tuning device is arranged on the slider on the Y-axis adjustment device.

[0012] Optionally, the fine-tuning device includes a fixed plate installed on a slider on the Y-axis adjustment device and two fine-tuning parts. A groove is opened on the upper side of the fixed plate. A second threaded rod is rotatably engaged in the groove. A guide rod is installed in the groove. A slide plate is slidably engaged in the groove. The slide plate cooperates with the second threaded rod and the guide rod. A second driving part is installed on one side of the fixed plate. The two fine-tuning parts are respectively installed on the slide plate and the fixed plate.

[0013] Optionally, the fine-tuning part includes a height adjusting part and a rotation adjusting part. The height adjusting part includes a base with a slot provided on the base. A rotating rod rotates in the slot. A plurality of cams are arranged on the rotating rod. A knob is installed on one side of the base, and the knob is fixedly connected to the rotating rod.

[0014] Optionally, a plurality of vertical guide rods are mounted on the base, and the rotating adjustment member includes a moving block, which cooperates with the plurality of vertical guide rods, a circular groove is provided on one side of the moving block, a rectangular groove which cooperates with the circular groove is provided on one side of the moving block, a rotating drum is rotatably fitted in the circular groove, a rod body is elastically fitted in the rotating drum, a C-shaped clamp is installed at one end of the rod body, the C-shaped clamp cooperates with the reflective plate, and a lever is provided on one side of the rotating drum.

[0015] Optionally, the fine-tuning part also includes an extrusion plate, which is elastically fitted on one side of the base and the moving block. One side of the extrusion plate is slidably fitted with a slide bar, and multiple extrusion blocks are installed on the upper side of the slide bar and one side of the slot. A through hole is opened on one side of the extrusion plate, and the rod body is rotatably fitted in the through hole. The rotating cylinder and the C-shaped clamp are located on both sides of the extrusion plate.

[0016] Optionally, the cross-section of the filament placement groove is V-shaped or semicircular.

[0017] Optionally, a plurality of insertion rods are installed on the lower side of the transparent cover plate, and a slot matching with the plurality of insertion rods is opened on the upper side of the reflective plate.

[0018] Optionally, one end of the insertion rod is provided with a rounded corner.

[0019] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all the advantages described below at the same time:

[0020] The laser mounting frame can be easily installed manually, and the reflective plate can be easily placed in the filament placement groove for welding, thereby reducing the situation where manual hand-held filament welding causes the welding point to be offset due to unstable hand-holding. The filament placement groove can facilitate manual placement of the filament and easily align the filament ends. The transparent cover plate can be used to extrude the filament placed in the filament placement groove, which is convenient for laser welding.

[0021] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0023] In the figure:

[0024] Figure 1 This is a schematic diagram of the structure of the laser welding equipment;

[0025] Figure 2 To adjust the schematic diagram of the device structure;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the adjustment device;

[0027] Figure 4 It is a structural diagram of the fine-tuning device;

[0028] Figure 5 This is a schematic diagram of the assembly structure of the fine-tuning device;

[0029] Figure 6 Schematic diagram of the reflector structure.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] Welding platform 1, laser welding device 2, filament placement tooling 3, reflector 4, transparent cover 5, filament placement groove 6, laser mounting frame 7, laser 8, adjustment device 9, X-axis adjustment device 10, Y-axis adjustment device 11, fine-tuning device 12, housing 13, first threaded rod 14, slider 15, first driving member 16, fixing plate 17, fine-tuning member 18, groove 19, second threaded rod 20, guide rod 21, slide plate 22, second driving member 23, height adjustment member 24, rotation adjustment member 25, base 26, notch 27, rotating rod 28, cam 29, knob 30, vertical guide rod 31, moving block 32, circular groove 33, rectangular groove 34, rotating cylinder 35, rod body 36, C-type clamp 37, lever 38, extrusion plate 39, slide bar 40, extrusion block 41, through hole 42, plug rod 43, slot 44.

[0032] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0033] The present invention will now be described in further detail with reference to the accompanying drawings.

[0034] See also Figure 1-6 As shown, in this embodiment, a filament laser welding device is provided, comprising: a welding platform 1, a laser welding device 2 arranged on the welding platform 1, and a filament placing tool 3 arranged on the welding platform 1;

[0035] The filament placing tool 3 comprises a reflective plate 4 and a transparent cover plate 5, and a filament placing groove 6 is provided on the reflective plate 4;

[0036] The laser welding device 2 includes a laser mounting frame 7 and a laser 8 disposed on the laser mounting frame 7 .

[0037] One aspect of the application of this embodiment is: when a filament needs to be welded, the filament is placed in the filament placement groove 6 on the reflector 4, and the transparent cover 5 is placed on the reflector 4 to squeeze the filament, and the laser 8 is started to weld the filament. It should be noted that all electrical equipment involved in this application can be powered by a battery or an external power supply.

[0038] The laser mounting frame 7 can be used to facilitate manual installation of the laser 8. The reflector 4 can be used to facilitate manual placement of the filaments to be welded in the filament placement groove 6 for welding, thereby reducing the situation where manual hand-held filament welding causes the welding site to be offset due to unstable hand-holding. The filament placement groove 6 can facilitate manual placement of the filaments and easily align the ends of the filaments. The transparent cover plate 5 can be used to squeeze the filaments placed in the filament placement groove 6, which is convenient for laser welding.

[0039] like Figure 1-3 As shown, the welding platform 1 of this embodiment is provided with an adjustment device 9 , and the adjustment device 9 includes an X-axis adjustment device 10 , a Y-axis adjustment device 11 and a fine-tuning device 12 .

[0040] like Figure 2-3 As shown, the X-axis adjustment device 10 and the Y-axis adjustment device 11 of this embodiment both include a housing 13, a first threaded rod 14 rotatably fitted in the housing 13, a slider 15 slidably fitted in the housing 13, a first driving member 16 rotatably fitted in one side of the housing 13 and fixedly connected to the first threaded rod 14, the slider 15 is threadedly fitted with the first threaded rod 14, the housing 13 on the Y-axis adjustment device 11 is arranged on the slider 15 on the X-axis adjustment device 10, and the fine-tuning device 12 is arranged on the slider 15 on the Y-axis adjustment device 11. Through the provision of the X-axis adjustment device 10 and the Y-axis adjustment device 11, it is convenient to manually drive the first threaded rod 14 to rotate through the first driving member 16, and the first threaded rod 14 rotates to drive the slider 15 to move, so as to facilitate manual adjustment of the position of the filament placement tool 3 installed on the adjustment device 9, so as to facilitate welding of the filament.

[0041] like Figure 2-5As shown, the fine-tuning device 12 of this embodiment includes a fixed plate 17 and two fine-tuning members 18 installed on the slider 15 on the Y-axis adjustment device 11. A groove 19 is provided on the upper side of the fixed plate 17. A second threaded rod 20 is rotatably matched in the groove 19. A guide rod 21 is installed in the groove 19. A slide plate 22 is slidably matched in the groove 19. The slide plate 22 cooperates with the second threaded rod 20 and the guide rod 21. A second driving member 23 is installed on one side of the fixed plate 17. The two fine-tuning members 18 are respectively installed on the slide plate 22 and the fixed plate 17; the fine-tuning member 18 of this embodiment includes a height adjustment member 24 and a rotation adjustment member 25. The height adjustment member 24 includes a base 26. A notch 27 is provided on the base 26. A rotating rod 28 is rotatably matched in the notch 27. A plurality of cams 29 are provided on the rotating rod 28. A knob 30 is installed on one side of the base 26. The knob 30 is fixedly connected to the rotating rod 28; a second driving member 23 is installed on the base 26 of this embodiment. A plurality of vertical guide rods 31 are provided, and the rotation adjustment member 25 includes a moving block 32, and the moving block 32 cooperates with the plurality of vertical guide rods 31. A circular groove 33 is provided on one side of the moving block 32, and a rectangular groove 34 cooperating with the circular groove 33 is provided on one side of the moving block 32. A rotating drum 35 is rotatably matched in the circular groove 33, and a rod body 36 is elastically matched in the rotating drum 35. A C-shaped clamp 37 is installed at one end of the rod body 36, and the C-shaped clamp 37 cooperates with the reflector 4. The rotating drum 35 is provided with a rotating drum 35, and the rotating drum 35 is provided with a rotating drum 35. The ... 5 is provided with a lever 38; the fine-tuning member 18 of this embodiment also includes an extrusion plate 39, the extrusion plate 39 is elastically matched with the base 26 and one side of the moving block 32, one side of the extrusion plate 39 is slidably matched with a slide bar 40, and a plurality of extrusion blocks 41 are installed on the upper side of the slide bar 40 and one side of the notch 27, a through hole 42 is opened on one side of the extrusion plate 39, the rod body 36 is rotatably matched in the through hole 42, and the rotating cylinder 35 and the C-shaped clamping plate 37 are located on both sides of the extrusion plate 39.

[0042] The second driving member 23 is provided, and can drive the second threaded rod 20 to rotate after manual start, and the second threaded rod 20 rotates to cooperate with the slide plate 22 to drive the slide plate 22 to move, and the guide rod 21 provides stability for the movement of the slide plate 22, and drives one of the fine-adjusting members 18 to move when the slide plate 22 moves, and the two fine-adjusting members 18 are close to each other, so that the reflector 4 can be clamped and fixed by the C-type clamping plate 37, and the knob 30 is provided, so that it is convenient to manually turn the knob 30, and the rotation of the knob 30 drives the rotating rod 28 to rotate, and the rotation of the rotating rod 28 drives the multiple cams 29 to rotate, and the multiple cams 29 rotate to contact the moving block 32, and the moving block 32 moves in height under the guidance of the multiple vertical guide rods 31, so as to facilitate the fine adjustment of the horizontal angle of the reflector 4;

[0043] The lever 38 is provided so that the lever 38 can be manually moved to drive the rotating drum 35 to rotate, the rotating drum 35 drives the rod body 36 to rotate, the rod body 36 drives the C-shaped clamping plate 37 to rotate, and the C-shaped clamping plate 37 rotates to achieve the effect of fine-tuning the longitudinal horizontal angle of the reflector 4;

[0044] By setting the squeezing plate 39, when the two C-shaped clamps 37 approach each other and clamp the reflective plate 4, the C-shaped clamps 37 are forced to apply pressure to the rod body 36, and the rod body 36 is forced to retract into the rotating cylinder 35. At this time, the C-shaped clamps 37 move to squeeze the squeezing plate 39, and the squeezing plate 39 moves toward the side of the moving block 32 and the base 26, and applies pressure to the moving block 32 and the base 26, so as to fix the position of the moving block 32, and when the squeezing plate 39 moves, it will also drive the squeezing block 41 on one side to move, and the squeezing block 41 moves and cooperates with the squeezing block 41 on the other side to squeeze and fix the rotating rod 28.

[0045] Specifically, the circumferential side of the rotation point between the rotating rod 28 and the base 26, the circumferential side of the rotating cylinder 35 in the circular groove 33, the circumferential side of the vertical guide rod 31 and the side where the extrusion block 41 cooperates with the rotating rod 28 are all provided with friction nylon or friction rubber for increasing friction and preliminary fixation.

[0046] Specifically, the extrusion block 41 is rectangular, and a semicircular groove is provided at the end thereof for cooperating with the rotating rod 28 .

[0047] like Figure 6 As shown, the cross section of the filament placement groove 6 of this embodiment is V-shaped or semicircular; a plurality of insertion rods 43 are installed on the lower side of the transparent cover plate 5 of this embodiment, and a slot 44 matching with the plurality of insertion rods 43 is opened on the upper side of the reflector 4; one end of the insertion rod 43 of this embodiment is provided with a rounded corner. The position of the transparent cover plate 5 can be positioned by the provided insertion rod 43, and the provided rounded corner can facilitate the insertion of the insertion rod 43 into the slot 44

[0048] By setting the filament placement groove 6 to be semicircular, it is convenient to manually place the filament. By setting the filament placement groove 6 to be V-shaped, compared with a semicircular shape, a gap can be left on the lower side of the filament to reduce adhesion caused by welding.

[0049] Specifically, the reflective plate 4 can be a copper plate, an aluminum plate or other reflective alloy plate, etc., which can reflect laser light, and the surface of the metal plate is smooth, which can reduce adhesion during filament welding.

[0050] Specifically, the transparent cover plate 5 can be a transparent glass cover plate, a quartz transparent cover plate or other optically coated transparent cover plate in the prior art, which can transmit laser and squeeze and fix the filament to reduce the displacement of the filament position during welding.

[0051] Specifically, the diameter of the welding wire is 15 μm-100 μm.

[0052] Specifically, the welding filament may be a tungsten wire.

[0053] The specific laser 8 can be a micro-spot laser. The smaller the BPP value, the finer the light source of the micro-spot laser. BPP is the laser parameter set, and D is the exit aperture of the micro-spot laser. is the divergence angle of the laser light source, and the exit aperture D is 8μm-15μm.

[0054] The present invention is not limited to the above-mentioned embodiments. Anyone should be aware that any structural changes made under the enlightenment of the present invention, and any technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention. The technology, shape, and structural parts not described in detail in the present invention are all well-known technologies.

Claims

1. A filament laser welding device, characterized in that: include: A welding platform (1), a laser welding device (2) arranged on the welding platform (1), and a filament placement tool (3) arranged on the welding platform (1); The filament placement tool (3) comprises a reflective plate (4) and a transparent cover plate (5), and a filament placement groove (6) is provided on the reflective plate (4); The laser welding device (2) comprises a laser mounting frame (7) and a laser (8) arranged on the laser mounting frame (7).

2. A filament laser welding device according to claim 1, characterized in that: An adjustment device (9) is provided on the welding platform (1), and the adjustment device (9) comprises an X-axis adjustment device (10), a Y-axis adjustment device (11) and a fine adjustment device (12).

3. A filament laser welding device according to claim 2, characterized in that: The X-axis adjustment device (10) and the Y-axis adjustment device (11) both comprise a housing (13), a first threaded rod (14) rotatably engaged in the housing (13), a slider (15) slidably engaged in the housing (13), and a first driving member (16) rotatably engaged on one side of the housing (13) and fixedly connected to the first threaded rod (14); the slider (15) is threadably engaged with the first threaded rod (14); the housing (13) on the Y-axis adjustment device (11) is arranged on the slider (15) on the X-axis adjustment device (10); and the fine adjustment device (12) is arranged on the slider (15) on the Y-axis adjustment device (11).

4. A filament laser welding device according to claim 3, characterized in that: The fine adjustment device (12) comprises a fixed plate (17) mounted on a slider (15) on a Y-axis adjustment device (11) and two fine adjustment members (18); a groove (19) is provided on the upper side of the fixed plate (17); a second threaded rod (20) is rotatably engaged in the groove (19); a guide rod (21) is arranged in the groove (19); a slide plate (22) is slidably engaged in the groove (19); the slide plate (22) is engaged with the second threaded rod (20) and the guide rod (21); a second driving member (23) is arranged on one side of the fixed plate (17); and the two fine adjustment members (18) are respectively mounted on the slide plate (22) and the fixed plate (17).

5. A filament laser welding device according to claim 4, characterized in that: The fine adjustment member (18) comprises a height adjustment member (24) and a rotation adjustment member (25). The height adjustment member (24) comprises a base (26). A notch (27) is provided on the base (26). A rotating rod (28) is rotatably engaged in the notch (27). A plurality of cams (29) are arranged on the rotating rod (28). A knob (30) is arranged on one side of the base (26). The knob (30) is fixedly connected to the rotating rod (28).

6. A filament laser welding device according to claim 5, characterized in that: A plurality of vertical guide rods (31) are mounted on the base (26); the rotary adjusting member (25) comprises a moving block (32); the moving block (32) matches the plurality of vertical guide rods (31); a circular groove (33) is provided on one side of the moving block (32); a rectangular groove (34) matching the circular groove (33) is provided on one side of the moving block (32); a rotating cylinder (35) is rotatably matched in the circular groove (33); a rod body (36) is elastically matched in the rotating cylinder (35); a C-shaped clamping plate (37) is mounted on one end of the rod body (36); the C-shaped clamping plate (37) matches the reflective plate (4); and a lever (38) is provided on one side of the rotating cylinder (35).

7. A filament laser welding device according to claim 6, characterized in that: The fine-tuning member (18) further comprises an extrusion plate (39), the extrusion plate (39) being elastically matched on one side of the base (26) and the moving block (32), a slide bar (40) being slidably matched on one side of the extrusion plate (39), a plurality of extrusion blocks (41) being installed on the upper side of the slide bar (40) and one side of the notch (27), a through hole (42) being opened on one side of the extrusion plate (39), the rod body (36) being rotatably matched in the through hole (42), and the rotating cylinder (35) and the C-shaped clamping plate (37) being located on both sides of the extrusion plate (39).

8. The filament laser welding device according to claim 1, characterized in that: The cross section of the filament placement groove (6) is V-shaped or semicircular.

9. The filament laser welding device according to claim 1, characterized in that: A plurality of insertion rods (43) are installed on the lower side of the transparent cover plate (5), and a slot (44) matching with the plurality of insertion rods (43) is opened on the upper side of the reflective plate (4).

10. The filament laser welding device according to claim 9, characterized in that: One end of the insertion rod (43) is provided with a rounded corner.

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