Welding device

Abstract

The invention discloses a welding device. The welding device comprises a frame body; the first moving module is mounted on the frame body and can move in the first horizontal direction; the second moving module is installed on the first moving module and can move in the second horizontal direction perpendicular to the first horizontal direction; the third moving module is mounted on the second moving module and can move in the vertical direction perpendicular to the first horizontal direction and the second horizontal direction; and the welding module is installed on the third moving module and can move along with the first moving module, the second moving module and the third moving module, the welding module is suspended outside the frame body, and the first moving module is arranged in the inner cavity of the frame body so as to reduce the distance between the welding module and the frame body. Therefore, the welding device has good rigidity and stability, and the welding precision can be improved. In addition, the welding flux device adopts modular design, the moving structure is simplified, the control difficulty is reduced, and the welding flux device can be suitable for various production lines.

Description

Technical Field

[0001] The invention relates to a welding device. Background Art

[0002] In the prior art, a welding device generally includes a multi-degree-of-freedom mechanical arm and a welding head mounted on the end of the mechanical arm. However, the mechanical arm has poor rigidity and stability, which makes it difficult to accurately control the position of the welding head, thereby reducing the welding accuracy. In addition, the mechanical arm has a complex structure, is difficult to control, and has a high cost. Summary of the invention

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the present invention, a welding device is provided. The welding device comprises: a frame; a first moving module, mounted on the frame and capable of moving along a first horizontal direction; a second moving module, mounted on the first moving module and capable of moving along a second horizontal direction perpendicular to the first horizontal direction; a third moving module, mounted on the second moving module and capable of moving along a vertical direction perpendicular to the first and second horizontal directions; a welding module, mounted on the third moving module, capable of moving with the first, second and third moving modules, the welding module being suspended outside the frame, and the first moving module being arranged in an inner cavity of the frame to reduce the distance between the welding module and the frame.

[0005] According to an exemplary embodiment of the present invention, the first moving module includes: a pair of first slide rails extending along the first horizontal direction and spaced apart a predetermined distance in the second horizontal direction; and a pair of first sliders slidably mounted on the pair of first slide rails, respectively, the frame body has a top frame, and the first slide rails are fixed to the inner side of the top frame.

[0006] According to another exemplary embodiment of the present invention, the first moving module also includes: a horizontal mounting plate, the pair of first sliding blocks are fixed on the top surface of the horizontal mounting plate; and a first driving device, which is installed in the inner cavity of the frame and connected to the horizontal mounting plate, and the first driving device is used to drive the horizontal mounting plate to move along the first horizontal direction.

[0007] According to another exemplary embodiment of the present invention, the first driving device includes: a first lead screw rotatably mounted on the frame; a first nut fixed to the horizontal mounting plate and threadedly connected to the first lead screw; and a first motor mounted on the frame and having an output shaft connected to the first lead screw. When the first motor drives the first lead screw to rotate, the first lead screw drives the first nut and the horizontal mounting plate to move together along the first horizontal direction.

[0008] According to another exemplary embodiment of the present invention, the second movable module includes: a mounting frame; a second slide rail extending along the second horizontal direction and fixed to the mounting frame; and a second slider slidably mounted on the second slide rail to be able to move along the second horizontal direction, and the mounting frame is fixed to the horizontal mounting plate, so that the second movable module can move along the first horizontal direction together with the horizontal mounting plate.

[0009] According to another exemplary embodiment of the present invention, the second moving module further includes: a second driving device installed on the installation frame and connected to the second sliding block, the second driving device being used to drive the second sliding block to move along the second horizontal direction.

[0010] According to another exemplary embodiment of the present invention, the second driving device includes: a second lead screw rotatably mounted on the mounting frame; a second nut fixed to the second slider and threadedly connected to the second lead screw; and a second motor mounted on the mounting frame and having an output shaft connected to the second lead screw. When the second motor drives the second lead screw to rotate, the second lead screw drives the second nut and the second slider to move together along the second horizontal direction.

[0011] According to another exemplary embodiment of the present invention, when the welding device performs a welding task, the second movable module can be partially or completely moved into the inner cavity of the frame to further reduce the distance between the welding module and the frame.

[0012] According to another exemplary embodiment of the present invention, the third moving module includes: a vertical mounting plate; a third slide rail extending in the vertical direction and fixed to the vertical mounting plate; a third slider slidably mounted on the third slide rail to be movable in the vertical direction; and a mounting frame fixed to the third slider to be movable along the vertical direction with the third slider. The welding module is mounted on the mounting frame to be movable along the vertical direction with the mounting frame, and the vertical mounting plate is fixed to the second slider, so that the third moving module can move along the second horizontal direction with the second slider.

[0013] According to another exemplary embodiment of the present invention, the third moving module further includes: a third driving device, which is mounted on the vertical mounting plate and connected to the third slider, and the third driving device is used to drive the third slider to move along the vertical direction.

[0014] According to another exemplary embodiment of the present invention, the third driving device includes: a third lead screw rotatably mounted on the vertical mounting plate; a third nut fixed to the third slider and threadedly connected to the third lead screw; and a third motor mounted on the vertical mounting plate and having an output shaft connected to the third lead screw. When the third motor drives the third lead screw to rotate, the third lead screw drives the third nut and the third slider to move together along the vertical direction.

[0015] According to another exemplary embodiment of the present invention, the welding device further comprises: a vision module mounted on the mounting frame of the third mobile module so as to be able to move synchronously with the mounting frame and the welding module. The welding module is suitable for completing the welding task under the visual guidance of the vision module.

[0016] According to another exemplary embodiment of the present invention, the welding module includes a welding head for heating and welding. The welding device further includes: a welding head cleaning device, which is installed on the frame and is used to remove contaminants on the welding head of the welding module.

[0017] According to another exemplary embodiment of the present invention, the frame includes a crossbeam located at the bottom thereof, and the welding head cleaning device is located outside the frame and fixed to the crossbeam of the frame.

[0018] According to another exemplary embodiment of the present invention, the welding device further comprises: a power supply fixed on the top of the frame body, for supplying power to the welding device.

[0019] According to another exemplary embodiment of the present invention, the welding device further includes: an electric control box installed in the inner cavity of the frame body, for controlling the welding device.

[0020] In the above exemplary embodiments according to the present invention, the welding device has good rigidity and stability, so the welding precision can be improved. In addition, the flux device adopts modular design, simplifies the mobile structure and reduces the control difficulty, and can be applied to various production lines.

[0021] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional schematic diagram showing a welding device according to an exemplary embodiment of the present invention;

[0023] Figure 2 A three-dimensional schematic diagram showing a welding device according to an exemplary embodiment of the present invention;

[0024] Figure 3 A side view showing a welding device according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION

[0025] The technical solution of the present invention is further specifically described below by examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0026] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0027] According to an overall technical concept of the present invention, a welding device is provided. The welding device comprises: a frame; a first moving module, mounted on the frame and capable of moving along a first horizontal direction; a second moving module, mounted on the first moving module and capable of moving along a second horizontal direction perpendicular to the first horizontal direction; a third moving module, mounted on the second moving module and capable of moving along a vertical direction perpendicular to the first and second horizontal directions; a welding module, mounted on the third moving module, capable of moving with the first, second and third moving modules, the welding module being suspended outside the frame, and the first moving module being arranged in the inner cavity of the frame to reduce the distance between the welding module and the frame.

[0028] Figure 1 A three-dimensional schematic diagram showing a welding device according to an exemplary embodiment of the present invention; Figure 2 A three-dimensional schematic diagram showing a welding device according to an exemplary embodiment of the present invention; Figure 3 A side view showing a welding device according to an exemplary embodiment of the present invention.

[0029] like Figures 1 to 3As shown, in an exemplary embodiment of the present invention, a welding device is disclosed. The welding device includes: a frame 4, a first mobile module 1, a second mobile module 2, a third mobile module 3 and a welding module 5. The first mobile module 1 is mounted on the frame 4 and can move along a first horizontal direction. The second mobile module 2 is mounted on the first mobile module 1 and can move along a second horizontal direction perpendicular to the first horizontal direction. The third mobile module 3 is mounted on the second mobile module 2 and can move along a vertical direction perpendicular to the first and second horizontal directions. The welding module 5 is mounted on the third mobile module 3 and can move with the first mobile module 1, the second mobile module 2 and the third mobile module 3. Therefore, the entire welding device has three degrees of freedom.

[0030] like Figures 1 to 3 As shown, in the illustrated embodiment, the welding module 5 is suspended outside the frame 4, and the first mobile module 1 is arranged in the inner cavity 40 of the frame 4 to reduce the distance between the welding module 5 and the frame 4. In the present invention, since the distance between the welding module 5 and the fixed frame 4 is small, the welding device has good rigidity and stability, the welding module 5 is not prone to uncontrollable vibration, and the welding accuracy is improved.

[0031] like Figures 1 to 3 As shown, in the illustrated embodiment, the first mobile module 1 includes: a pair of first slide rails 11 and a pair of first sliders 12. The pair of first slide rails 11 extend along a first horizontal direction and are spaced apart by a predetermined distance in a second horizontal direction. The pair of first sliders 12 are slidably mounted on the pair of first slide rails 11, respectively. The frame body 4 has a top frame 41, and the first slide rails 11 are fixed to the inner side of the top frame 41.

[0032] like Figures 1 to 3 As shown, in the illustrated embodiment, the first moving module 1 further includes: a horizontal mounting plate 10 and a first driving device 13. A pair of first sliders 12 are fixed on the top surface of the horizontal mounting plate 10. The first driving device 13 is installed in the inner cavity 40 of the frame 4 and connected to the horizontal mounting plate 10. The first driving device 13 is used to drive the horizontal mounting plate 10 to move along the first horizontal direction.

[0033] like Figures 1 to 3 As shown, in the illustrated embodiment, the first driving device 13 includes: a first lead screw (not shown), a first nut (not shown) and a first motor (not shown). The first lead screw is rotatably mounted on the frame 4. The first nut is fixed to the horizontal mounting plate 10 and is threadedly connected to the first lead screw. The first motor is mounted on the frame 4 and its output shaft is connected to the first lead screw. When the first motor drives the first lead screw to rotate, the first lead screw drives the first nut and the horizontal mounting plate 10 to move together along the first horizontal direction.

[0034] like Figures 1 to 3 As shown, in the illustrated embodiment, the second mobile module 2 includes: a mounting frame 20, a second slide rail 21 and a second slider 22. The second slide rail 21 extends along the second horizontal direction and is fixed to the mounting frame 20. The second slider 22 is slidably mounted on the second slide rail 21 to be able to move along the second horizontal direction. The mounting frame 20 is fixed to the horizontal mounting plate 10, so that the second mobile module 2 can move along the first horizontal direction with the horizontal mounting plate 10. In the illustrated embodiment, the mounting frame 20 is rectangular to improve its structural rigidity and stability.

[0035] like Figures 1 to 3 As shown, in the illustrated embodiment, the second moving module 2 further includes a second driving device (not shown), which is mounted on the mounting frame 20 and connected to the second slider 22. The second driving device is used to drive the second slider 22 to move along the second horizontal direction.

[0036] like Figures 1 to 3 As shown, in the illustrated embodiment, the second driving device includes: a second lead screw (not shown), a second nut (not shown) and a second motor (not shown). The second lead screw is rotatably mounted on the mounting frame 20. The second nut is fixed to the second slider 22 and is threadedly connected to the second lead screw. The second motor is mounted on the mounting frame 20 and its output shaft is connected to the second lead screw. When the second motor drives the second lead screw to rotate, the second lead screw drives the second nut and the second slider 22 to move together along the second horizontal direction.

[0037] like Figures 1 to 3 As shown, in the illustrated embodiment, when the welding device performs a welding task, the second mobile module 2 can be partially or completely moved into the inner cavity 40 of the frame 4, so as to further reduce the distance between the welding module 5 and the frame 4. This can further improve the rigidity and stability of the welding device and further improve the welding accuracy.

[0038] like Figures 1 to 3 As shown, in the illustrated embodiment, the third mobile module 3 includes: a vertical mounting plate 30, a third slide rail (not shown), a third slider (not shown) and a mounting frame 31. The third slide rail extends in the vertical direction and is fixed to the vertical mounting plate 30. The third slider is slidably mounted on the third slide rail so as to be able to move in the vertical direction. The mounting frame 31 is fixed to the third slider so as to be able to move in the vertical direction with the third slider. The welding module 5 is mounted on the mounting frame 31 so as to be able to move in the vertical direction with the mounting frame 31. The vertical mounting plate 30 is fixed to the second slider 22 so that the third mobile module 3 can move in the second horizontal direction with the second slider 22.

[0039] like Figures 1 to 3As shown, in the illustrated embodiment, the third moving module 3 further includes a third driving device 32, which is mounted on the vertical mounting plate 30 and connected to the third slider. The third driving device 32 is used to drive the third slider to move in the vertical direction.

[0040] like Figures 1 to 3 As shown, in the illustrated embodiment, the third driving device includes: a third lead screw (not shown), a third nut (not shown) and a third motor (not shown). The third lead screw is rotatably mounted on the vertical mounting plate 30. The third nut is fixed to the third slider and is threadedly connected to the third lead screw. The third motor is mounted on the vertical mounting plate 30 and its output shaft is connected to the third lead screw. When the third motor drives the third lead screw to rotate, the third lead screw drives the third nut and the third slider to move together in the vertical direction.

[0041] like Figures 1 to 3 As shown, in the illustrated embodiment, the welding device further includes a vision module 6, which is mounted on the mounting frame 31 of the third mobile module 3 so as to be able to move synchronously with the mounting frame 31 and the welding module 5. The welding module 5 is suitable for completing the welding task under the visual guidance of the vision module 6. In the illustrated embodiment, the vision module 6 includes at least one camera.

[0042] like Figures 1 to 3 As shown, in the illustrated embodiment, the welding module 5 includes a welding head for heating and welding. The welding device also includes a welding head cleaning device 7, which is installed on the frame 4 and is used to remove contaminants on the welding head of the welding module 5, such as oxides or impurities.

[0043] like Figures 1 to 3 As shown, in the illustrated embodiment, the frame 4 includes a crossbeam 42 located at the bottom thereof, and the welding head cleaning device 7 is located outside the frame 4 and fixed to the crossbeam 42 of the frame 4 .

[0044] like Figures 1 to 3 As shown, in the illustrated embodiment, the welding device further comprises a power supply 9, which is fixed on the top of the frame 4 and is used to supply power to the welding device. In this way, the welding device does not need an external power supply and is more convenient to use.

[0045] like Figures 1 to 3 As shown, in the illustrated embodiment, the welding device further includes an electric control box 8, which is installed in the inner cavity 40 of the frame 4 and is used to control the welding device.

[0046] Those skilled in the art will appreciate that the embodiments described above are exemplary and may be improved upon by those skilled in the art. The structures described in the various embodiments may be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present invention.

[0047] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.

[0048] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

[0049] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.

Claims

1. A welding device, characterized in that: include: Frame (4); A first moving module (1) is mounted on the frame (4) and is movable along a first horizontal direction; a second movable module (2), mounted on the first movable module (1) and capable of moving along a second horizontal direction perpendicular to the first horizontal direction; a third moving module (3) mounted on the second moving module (2) and capable of moving in a vertical direction perpendicular to the first and second horizontal directions; A welding module (5) is mounted on the third moving module (3) and is capable of moving together with the first, second and third moving modules (1, 2, 3). The welding module (5) is suspended outside the frame (4), and the first moving module (1) is arranged in an inner cavity (40) of the frame (4) to reduce the distance between the welding module (5) and the frame (4).

2. The welding device according to claim 1, characterized in that: The first mobile module (1) comprises: a pair of first slide rails (11) extending along the first horizontal direction and spaced apart by a predetermined distance in the second horizontal direction; and A pair of first sliding blocks (12) are respectively slidably mounted on the pair of first sliding rails (11), The frame body (4) has a top frame (41), and the first slide rail (11) is fixed to the inner side of the top frame (41).

3. The welding device according to claim 2, characterized in that: The first mobile module (1) further comprises: A horizontal mounting plate (10), the pair of first sliding blocks (12) being fixed on the top surface of the horizontal mounting plate (10); and A first driving device (13) is installed in the inner cavity (40) of the frame (4) and connected to the horizontal mounting plate (10). The first driving device (13) is used to drive the horizontal mounting plate (10) to move along the first horizontal direction.

4. The welding device according to claim 3, characterized in that: The first driving device (13) comprises: A first lead screw, rotatably mounted on the frame (4); A first nut, fixed to the horizontal mounting plate (10) and threadedly connected to the first lead screw; and a first motor, mounted on the frame (4) and having an output shaft connected to the first lead screw, When the first motor drives the first lead screw to rotate, the first lead screw drives the first nut and the horizontal mounting plate (10) to move together along the first horizontal direction.

5. The welding device according to claim 3, characterized in that: The second mobile module (2) comprises: Mounting frame (20); A second slide rail (21) extending along the second horizontal direction and fixed to the mounting frame (20); and A second sliding block (22) is slidably mounted on the second sliding rail (21) so as to be movable along the second horizontal direction. The mounting frame (20) is fixed to the horizontal mounting plate (10), so that the second moving module (2) can move along with the horizontal mounting plate (10) along the first horizontal direction.

6. The welding device according to claim 5, characterized in that: The second mobile module (2) further comprises: A second driving device is mounted on the mounting frame (20) and connected to the second sliding block (22). The second driving device is used for driving the second sliding block (22) to move along the second horizontal direction.

7. The welding device according to claim 5, characterized in that: The second driving device comprises: A second lead screw rotatably mounted on the mounting frame (20); A second nut, fixed to the second slider (22) and threadedly connected to the second lead screw; and a second motor, mounted on the mounting frame (20) and having an output shaft connected to the second lead screw, When the second motor drives the second lead screw to rotate, the second lead screw drives the second nut and the second slider (22) to move together along the second horizontal direction.

8. The welding device according to any one of claims 1 to 7, characterized in that: When the welding device performs a welding task, the second movable module (2) can be partially or completely moved into the inner cavity (40) of the frame (4) so ​​as to further reduce the distance between the welding module (5) and the frame (4).

9. The welding device according to claim 5, characterized in that: The third mobile module (3) comprises: A vertical mounting plate (30); a third slide rail extending along the vertical direction and fixed to the vertical mounting plate (30); a third slider slidably mounted on the third slide rail so as to be movable in the vertical direction; and A mounting frame (31) is fixed to the third slider so as to be movable along the vertical direction with the third slider, The welding module (5) is mounted on the mounting frame (31) so as to be movable along the vertical direction with the mounting frame (31). The vertical mounting plate (30) is fixed to the second slider (22), so that the third moving module (3) can move along with the second slider (22) along the second horizontal direction.

10. The welding device according to claim 9, characterized in that: The third mobile module (3) further comprises: A third driving device (32) is mounted on the vertical mounting plate (30) and connected to the third sliding block, The third driving device (32) is used to drive the third sliding block to move along the vertical direction.

11. The welding device according to claim 10, characterized in that: The third driving device comprises: a third lead screw rotatably mounted on the vertical mounting plate (30); A third nut, fixed to the third slider and threadedly connected to the third lead screw; and a third motor mounted on the vertical mounting plate (30) and having its output shaft connected to the third lead screw, When the third motor drives the third lead screw to rotate, the third lead screw drives the third nut and the third slider to move along the vertical direction together.

12. The welding device according to claim 9, characterized in that: Also includes: A vision module (6) is mounted on a mounting frame (31) of the third moving module (3) so as to be able to move synchronously with the mounting frame (31) and the welding module (5). The welding module (5) is suitable for completing the welding task under the visual guidance of the vision module (6).

13. The welding device according to claim 1, characterized in that: The welding module (5) comprises a welding head for heating and welding; The welding device also includes: A welding head cleaning device (7) is installed on the frame (4) and is used to remove contaminants on the welding head of the welding module (5).

14. The welding device according to claim 13, characterized in that: The frame (4) comprises a crossbeam (42) located at the bottom thereof, and the welding head cleaning device (7) is located outside the frame (4) and is fixed to the crossbeam (42) of the frame (4).

15. The welding device according to claim 1, characterized in that Also includes: A power supply (9) is fixed on the top of the frame (4) and is used to supply power to the welding device.

16. The welding device according to claim 1, characterized in that Also includes: An electric control box (8) is installed in the inner cavity (40) of the frame (4) and is used to control the welding device.

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