Welding robot capable of adjusting direction

Abstract

The invention relates to the technical field of welding and discloses a direction-adjustable welding robot which comprises an annular frame, supporting legs are fixedly mounted at the bottom of the annular frame, a first sliding groove ring is fixedly mounted in the annular frame, a second sliding groove ring is fixedly mounted at the top of the annular frame, and a gear ring is fixedly mounted on the inner wall of the annular frame. The gear ring is arranged between the first sliding groove ring and the second sliding groove ring, a revolution mechanism is installed in the ring frame, an autorotation mechanism is installed at the top of the revolution mechanism, an adjusting mechanism is installed at the top of the autorotation mechanism, and a fine adjustment mechanism is installed at the end, away from the autorotation mechanism, of the adjusting mechanism. And a welding head is fixedly mounted at the end part of the fine adjustment mechanism. According to the welding robot capable of adjusting the direction, all-directional adjustment of the welding head is achieved through the revolution mechanism, the rotation mechanism, the adjusting mechanism and the fine adjustment mechanism are matched with one another, and precise welding of the welding robot is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of welding, and specifically to a welding robot with adjustable orientation. Background Art

[0002] Nowadays, in modern industrial production, welding, as an important joining process, is widely used in many fields such as automobile manufacturing, machining, aerospace, etc. With the continuous improvement of industrial automation, welding robots have gradually become key equipment in welding production because they can improve welding quality, efficiency, and stability; Currently, when facing workpieces to be welded with different specifications, the welding robots on the market often have limited orientation adjustment capabilities. Some traditional welding robots can only perform simple linear or planar motions, making it difficult to meet the welding requirements for complex shapes and positions, resulting in unstable welding quality and even the need for manual repair welding, which increases production costs and production cycles; In addition, there are also certain limitations in the welding accuracy of existing welding robots. During the welding process, due to the inaccurate adjustment of the position and angle of the welding head, welding deviations are likely to occur, affecting the quality of the welded parts. Summary of the Invention

[0003] To achieve the above objectives, the present invention is realized through the following technical solutions: A welding robot with adjustable orientation, comprising: A ring frame, at the bottom of which support feet are fixedly installed, inside which a first sliding groove ring is fixedly installed, at the top of which a second sliding groove ring is fixedly installed, and on the inner wall of which a toothed ring is fixedly installed, and the toothed ring is arranged between the first sliding groove ring and the second sliding groove ring; A revolution mechanism, which is installed inside the ring frame and enables the all-round adjustment of the welding robot to adapt to workpieces to be welded with different specifications; A rotation mechanism, which is installed on the top of the revolution mechanism, at the top of which an adjustment mechanism is installed, at one end of the adjustment mechanism away from the rotation mechanism a fine adjustment mechanism is installed, and at the end of the fine adjustment mechanism a welding head is fixedly installed. The rotation mechanism, the adjustment mechanism, and the fine adjustment mechanism cooperate together to achieve precise welding of the welding head; Among them, the revolution mechanism includes a rotating ring, which is rotatably installed inside the first sliding groove ring. A first motor is fixedly installed on the inner side surface of the rotating ring. The output end of the first motor is fixedly connected to a first gear, and the first gear meshes with the toothed ring. The first motor drives the first gear to rotate, causing the first gear to rotate around the outer side of the toothed ring. At this time, the rotating ring rotates self - rotatably inside the first sliding groove ring and rotates around the first sliding groove ring. A fixed rod is fixedly installed on the top of the first gear. The top end of the fixed rod is rotatably installed with an arc - shaped slider. A roller is rotatably installed on the arc - surface of the arc - shaped slider through a rotating shaft. The roller is arranged inside the second sliding groove ring. A supporting plate is fixedly installed on the top of the arc - shaped slider. The first gear drives the fixed rod to rotate around the toothed ring, causing the roller on the surface of the arc - shaped slider to roll inside the second sliding groove ring, and the arc - shaped slider drives the supporting plate to rotate around the toothed ring.

[0004] Preferably, the self - rotation mechanism includes an installation box and a second motor. The installation box is fixedly installed on the top of the supporting plate. The second motor is fixedly installed on the side of the installation box. A lead screw is rotatably installed inside the installation box. The lead screw penetrates through the installation box and extends to its outside. One end of the lead screw is fixedly connected to the output end of the second motor.

[0005] Preferably, a second gear is rotatably installed at the bottom of the inner cavity of the installation box through a rotating shaft. The second gear meshes with the spiral protrusions on the surface of the lead screw. A rotating platform is fixedly installed on the top of the second gear. The rotating platform penetrates through the installation box and extends to its top. The second motor drives the lead screw to rotate. The lead screw and the second gear are in transmission cooperation. The second gear rotates inside the installation box, driving the rotating platform to rotate.

[0006] Preferably, the adjustment mechanism includes a fixed frame and a third motor. The fixed frame is fixedly installed on the top of the rotating platform. The top end of the fixed frame is rotatably installed with a first transmission shaft. The first transmission shaft penetrates through the fixed frame and extends to its two sides. One end of the first transmission shaft is fixedly connected to the output end of the third motor. A first rotating rod is fixedly installed on the outer surface of the first transmission shaft. The other end of the first rotating rod is rotatably installed with a connecting rod through a rotating shaft. The other end of the connecting rod is rotatably installed with an adjustment table through a rotating shaft. The third motor drives the first transmission shaft and the first rotating rod on its surface to rotate. The first rotating rod pushes the adjustment table to move through the connecting rod.

[0007] Preferably, a connecting frame is rotatably installed on the outer surface of the first transmission shaft. The connecting frame plays a supporting role. The end of the connecting frame far from the first transmission shaft is rotatably installed with a second rotating rod. The second rotating rod penetrates through the connecting frame and extends to its two sides. The two ends of the second rotating rod are fixedly connected inside the adjustment table. The second rotating rod and the connecting rod are arranged oppositely on both sides of the adjustment table. When the first rotating rod pushes the adjustment table to move through the connecting rod, the adjustment table rotates on the surfaces of the second rotating rod and the connecting rod.

[0008] Preferably, a buffer spring is fixedly installed at the middle of the connecting rod, and the other end of the buffer spring is fixedly connected to the surface of the first rotating rod. The buffer spring plays a buffering role during adjustment.

[0009] Preferably, the fine adjustment mechanism includes a mounting block. The mounting block is fixedly installed on the outer surface of the adjustment table. A fourth motor is fixedly installed on the surface of the mounting block. The output end of the fourth motor is fixedly connected to a second transmission shaft. The second transmission shaft penetrates through the mounting block and extends to its outside. A fine adjustment member is fixedly installed at the end of the second transmission shaft away from the fourth motor.

[0010] Preferably, the fine adjustment member includes a mounting box and a third rotating rod. The mounting box is fixedly connected to the end of the second transmission shaft. A fifth motor is fixedly installed on the side surface of the mounting box. The output end of the fifth motor is fixedly connected to a third transmission shaft. The third transmission shaft penetrates through the mounting box and extends to its outside. A third gear is fixedly connected to the end of the third transmission shaft away from the fifth motor.

[0011] Preferably, the third rotating rod is rotatably installed inside the mounting box. The third rotating rod penetrates through the mounting box and extends to both sides of it. A fourth gear is fixedly installed at one end of the third rotating rod. The fourth gear meshes with the third gear. The third gear drives the fourth gear to rotate, causing the third rotating rod to rotate.

[0012] Preferably, a rotating seat is fixedly installed on the outer surface of the third rotating rod. The rotating seat is fixedly installed at the end of the welding head. The third rotating rod drives the rotating seat on its surface to rotate, and the rotating seat drives the welding head to move, realizing fine adjustment of the angle.

[0013] The present invention provides a welding robot with adjustable orientation, having the following beneficial effects: First, for the welding robot with adjustable orientation, after the first motor is started, its output end drives the first gear to rotate. Since the first gear meshes with the toothed ring, it causes the first gear to rotate around the outside of the toothed ring, and then drives the rotating ring to perform self-rotation and revolution movements within the first sliding groove ring. When the first gear rotates, the fixed rod drives the arc-shaped slider and the roller to move. The arc-shaped slider drives the supporting plate to perform a circular motion around the toothed ring, enabling the subsequent mechanisms installed on the supporting plate to achieve full-range adjustment of the horizontal orientation. The revolution mechanism provides the welding robot with a large-range movement ability in the horizontal direction, enabling it to quickly and flexibly reach the position to be welded, improving the welding efficiency.

[0014] II. The welding robot with adjustable orientation is provided with a rotation mechanism. The motor II drives the screw rod to rotate. The spiral protrusions on the surface of the screw rod mesh with the gear II, causing the gear II to rotate within the installation box. The rotation of the gear II drives the turntable at its top to rotate, thereby realizing the angle adjustment of the adjustment mechanism and the welding head mounted on the turntable within the vertical plane. The rotation mechanism realizes the angle adjustment of the welding head in the vertical direction. In cooperation with the revolution mechanism, it increases the degree of freedom of movement of the welding head. When facing workpieces to be welded with different welding angle requirements, the attitude of the welding head can be quickly adjusted through the rotation mechanism to ensure that the welding head is aligned with the welding position at a suitable angle, improving the accuracy and quality of welding.

[0015] III. The welding robot with adjustable orientation is provided with an adjustment mechanism. The motor III drives the transmission shaft I and the rotating rod I thereon to rotate. The rotating rod I pushes the adjustment table to move through the connecting rod. The adjustment table rotates on the surfaces of the rotating rod II and the connecting rod, realizing the preliminary adjustment of the position and angle of the welding head. During the adjustment process of the buffer spring in the middle of the connecting rod, when the rotating rod I pushes the connecting rod, if there is a collision or sudden change in force, the buffer spring can be compressed and deformed to absorb the impact force, avoiding rigid collision. The adjustment mechanism can adjust the position and angle of the welding head by a large margin. The buffer spring effectively reduces the impact force during the mechanism adjustment process and protects the stability of the connection of each component.

[0016] IV. The welding robot with adjustable orientation is provided with a fine-tuning mechanism. The motor IV drives the transmission shaft II to rotate, driving the fine-tuning component to move. The motor V drives the transmission shaft III to rotate. The gear III at the end of the transmission shaft III meshes with the gear IV, causing the rotating rod III to rotate. The rotating seat on the outer surface of the rotating rod III drives the welding head to make precise adjustments of small angles, ensuring that the welding head is in the precise welding position. The fine-tuning mechanism realizes the high-precision positioning of the welding head. The fine-tuning mechanism can make small and precise adjustments to the angle of the welding head, ensuring that the welding position error is within an extremely small range, greatly improving the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the appearance of the present invention; Figure 3 It is a sectional view of the ring frame part of the present invention; Figure 4 It is a diagram showing the positional relationship between the revolution mechanism and the rotation mechanism of the present invention; Figure 5 It is a schematic diagram of the structure of the revolution mechanism of the present invention; Figure 6 It is a schematic diagram of the structure of the rotation mechanism of the present invention; Figure 7 It is a partial sectional view of the rotation mechanism of the present invention; Figure 8Schematic structural diagram of the adjustment mechanism of the present invention; Figure 9 Schematic external view of the adjustment mechanism of the present invention; Figure 10 Schematic structural diagram of the fine adjustment mechanism of the present invention; Figure 11 Partial sectional view of the fine adjustment part of the present invention.

[0018] In the figure: 1. Ring frame; 2. Revolution mechanism; 21. Motor 1; 22. Rotating ring; 23. Gear 1; 24. Fixed rod; 25. Arc-shaped slider; 26. Roller; 27. Support plate; 3. Rotation mechanism; 31. Installation box; 32. Motor 2; 33. Lead screw; 34. Gear 2; 35. Turntable; 4. Adjustment mechanism; 41. Fixed frame; 42. Motor 3; 43. Transmission shaft 1; 44. Rotating rod 1; 45. Connecting rod; 46. Buffer spring; 47. Adjustment table; 48. Rotating rod 2; 49. Connecting frame; 5. Fine adjustment mechanism; 51. Installation block; 52. Motor 4; 53. Transmission shaft 2; 54. Fine adjustment part; 541. Installation box; 542. Motor 5; 543. Transmission shaft 3; 544. Gear 3; 545. Gear 4; 546. Rotating rod 3; 547. Rotating seat; 6. Support feet; 7. Sliding groove ring 1; 8. Sliding groove ring 2; 9. Tooth ring; 10. Welding head. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] The first embodiment is as Figures 1 to 5 shown. The present invention provides a technical solution: An adjustable azimuth welding robot, comprising: A ring frame 1, with support feet 6 fixedly installed at the bottom of the ring frame 1, a sliding groove ring 1 7 fixedly installed inside the ring frame 1, a sliding groove ring 2 8 fixedly installed at the top of the ring frame 1, and a tooth ring 9 fixedly installed on the inner wall of the ring frame 1. The tooth ring 9 is arranged between the sliding groove ring 1 7 and the sliding groove ring 2 8; A revolution mechanism 2, installed inside the ring frame 1, the revolution mechanism 2 realizes the omnidirectional adjustment of the welding robot, can quickly and flexibly reach the position to be welded, and can adapt to workpieces to be welded with different specifications; The revolution mechanism 2 includes a rotating ring 22 which is rotatably installed inside the first sliding groove ring 7. A first motor 21 is fixedly installed on the inner side surface of the rotating ring 22. The output end of the first motor 21 is fixedly connected to a first gear 23. The first gear 23 meshes with the toothed ring 9. The first motor 21 drives the first gear 23 to rotate, causing the first gear 23 to rotate around the outer side of the toothed ring 9. At this time, the rotating ring 22 rotates on its own axis inside the first sliding groove ring 7 and rotates around the first sliding groove ring 7. A fixed rod 24 is fixedly installed on the top of the first gear 23. The top end of the fixed rod 24 is rotatably installed with an arc-shaped slider 25. A roller 26 is rotatably installed on the arc surface of the arc-shaped slider 25 through a rotating shaft. The roller 26 is arranged inside the second sliding groove ring 8. A supporting plate 27 is fixedly installed on the top of the arc-shaped slider 25. The first gear 23 drives the fixed rod 24 to rotate around the toothed ring 9, causing the roller 26 on the surface of the arc-shaped slider 25 to roll inside the second sliding groove ring 8. The arc-shaped slider 25 drives the supporting plate 27 to rotate around the toothed ring 9; The rotation mechanism 3 is installed on the top of the revolution mechanism 2. An adjustment mechanism 4 is installed on the top of the rotation mechanism 3. One end of the adjustment mechanism 4 away from the rotation mechanism 3 is installed with a fine adjustment mechanism 5. A welding head 10 is fixedly installed at the end of the fine adjustment mechanism 5. The rotation mechanism 3, the adjustment mechanism 4 and the fine adjustment mechanism 5 cooperate together to achieve precise welding of the welding head 10.

[0021] In the second embodiment, on the basis of the first embodiment, please refer to Figures 6 to 9 As shown, the rotation mechanism 3 includes an installation box 31 and a second motor 32. The installation box 31 is fixedly installed on the top of the supporting plate 27. The second motor 32 is fixedly installed on the side of the installation box 31. A lead screw 33 is rotatably installed inside the installation box 31. The lead screw 33 penetrates through the installation box 31 and extends to its outside. One end of the lead screw 33 is fixedly connected to the output end of the second motor 32; A second gear 34 is rotatably installed at the bottom of the inner cavity of the installation box 31 through a rotating shaft. The second gear 34 meshes with the spiral protrusion on the surface of the lead screw 33. A rotating platform 35 is fixedly installed on the top of the second gear 34. The rotating platform 35 penetrates through the installation box 31 and extends to its top. The second motor 32 drives the lead screw 33 to rotate. The lead screw 33 is in transmission cooperation with the second gear 34. The second gear 34 rotates inside the installation box 31, driving the rotating platform 35 to rotate; The adjustment mechanism 4 includes a fixed frame 41 and a third motor 42. The fixed frame 41 is fixedly installed on the top of the rotating platform 35. The top end of the fixed frame 41 is rotatably installed with a first transmission shaft 43. The first transmission shaft 43 penetrates through the fixed frame 41 and extends to both sides of it. One end of the first transmission shaft 43 is fixedly connected to the output end of the third motor 42. A first rotating rod 44 is fixedly installed on the outer surface of the first transmission shaft 43. The other end of the first rotating rod 44 is rotatably installed with a connecting rod 45 through a rotating shaft. The other end of the connecting rod 45 is rotatably installed with an adjustment table 47 through a rotating shaft. The third motor 42 drives the first transmission shaft 43 and the first rotating rod 44 on its surface to rotate. The first rotating rod 44 pushes the adjustment table 47 to move through the connecting rod 45; A connecting frame 49 is rotatably mounted on the outer surface of the first transmission shaft 43. The connecting frame 49 serves as a support. At one end of the connecting frame 49 away from the first transmission shaft 43, a second rotating rod 48 is rotatably mounted. The second rotating rod 48 penetrates through the connecting frame 49 and extends to both sides thereof. Both ends of the second rotating rod 48 are fixedly connected inside the adjusting table 47. The second rotating rod 48 and the connecting rod 45 are oppositely arranged on both sides of the adjusting table 47. When the first rotating rod 44 pushes the adjusting table 47 to move through the connecting rod 45, the adjusting table 47 rotates on the surfaces of the second rotating rod 48 and the connecting rod 45; A buffer spring 46 is fixedly installed at the middle of the connecting rod 45. The other end of the buffer spring 46 is fixedly connected to the surface of the first rotating rod 44. The buffer spring 46 plays a buffering role during adjustment.

[0022] For the third embodiment, on the basis of the first and second embodiments, please refer to Figure 10 and Figure 11 As shown, the fine-tuning mechanism 5 includes a mounting block 51. The mounting block 51 is fixedly installed on the outer surface of the adjusting table 47. A fourth motor 52 is fixedly installed on the surface of the mounting block 51. The output end of the fourth motor 52 is fixedly connected to a second transmission shaft 53. The second transmission shaft 53 penetrates through the mounting block 51 and extends to the outside thereof. A fine-tuning member 54 is fixedly installed at one end of the second transmission shaft 53 away from the fourth motor 52; The fine-tuning member 54 includes a mounting box 541 and a third rotating rod 546. The mounting box 541 is fixedly connected to the end of the second transmission shaft 53. A fifth motor 542 is fixedly installed on the side surface of the mounting box 541. The output end of the fifth motor 542 is fixedly connected to a third transmission shaft 543. The third transmission shaft 543 penetrates through the mounting box 541 and extends to the outside thereof. A third gear 544 is fixedly connected to one end of the third transmission shaft 543 away from the fifth motor 542; The third rotating rod 546 is rotatably mounted inside the mounting box 541. The third rotating rod 546 penetrates through the mounting box 541 and extends to both sides thereof. A fourth gear 545 is fixedly installed at one end of the third rotating rod 546. The fourth gear 545 meshes with the third gear 544. The third gear 544 drives the fourth gear 545 to rotate, causing the third rotating rod 546 to rotate; A rotating seat 547 is fixedly installed on the outer surface of the third rotating rod 546. The rotating seat 547 is fixedly installed at the end of the welding head 10. The third rotating rod 546 drives the rotating seat 547 on its surface to rotate, and the rotating seat 547 drives the welding head 10 to move, realizing fine angle adjustment.

[0023] During use, the welding robot is stably placed in the working area through the feet 6 at the bottom of the ring frame 1. The operator places the workpiece to be welded in a suitable position to prepare for subsequent welding operations; Start motor 1 21. The output power of motor 1 21 drives gear 1 23 to rotate. Since gear 1 23 meshes with gear ring 9, gear 1 23 will rotate along the outside of gear ring 9. During the rotation of gear 1 23, rotating ring 22 rotates both around its own axis and around chute ring 1 7, achieving omnidirectional movement adjustment of the welding robot in the horizontal direction. While gear 1 23 rotates, fixed rod 24 rotates around gear ring 9 accordingly. The rollers 26 on the surface of the arc-shaped slider 25 at the top of fixed rod 24 roll in chute ring 2 8, driving support plate 27 to rotate around gear ring 9; Motor 2 32 drives lead screw 33 to rotate. The spiral protrusions on the surface of lead screw 33 mesh with gear 2 34, causing gear 2 34 to rotate in mounting box 31. When gear 2 34 rotates, it drives turntable 35 at its top to rotate, achieving angle adjustment of welding head 10 in the vertical plane and preparing for subsequent precise adjustment of the welding position; Motor 3 42 drives transmission shaft 1 43 and rod 1 44 on its surface to rotate. Rod 1 44 pushes adjustment table 47 to move through connecting rod 45. During the movement, adjustment table 47 rotates on the surfaces of rod 2 48 and connecting rod 45, achieving position and angle adjustment of welding head 10 within a certain range. The buffer spring 46 in the middle of connecting rod 45 plays a buffering role, avoiding damage to the mechanism caused by rigid collision during the adjustment process and ensuring the smoothness of the adjustment; Motor 4 52 drives transmission shaft 2 53 to rotate, and then drives mounting box 541 in fine adjustment part 54 to move. Motor 5 542 drives transmission shaft 3 543 to rotate. Gear 3 544 at the end of transmission shaft 3 543 meshes with gear 4 545, causing rod 3 546 to rotate. When rod 3 546 rotates, seat 547 on its outer surface drives welding head 10 to perform fine angle adjustment, achieving precise positioning of the position and angle of welding head 10; Through the coordinated action of the revolution mechanism 2, rotation mechanism 3, adjustment mechanism 4, and fine adjustment mechanism 5, welding head 10 is accurately positioned at the welding position and angle of the workpiece to be welded. At this time, start welding head 10 to perform welding operations, completing the welding work for workpieces to be welded with different specifications; After completing the welding task, turn off each motor, stop the operation of each mechanism of the welding robot, and return to the initial state, waiting for the next welding task.

[0024] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the said element.

[0025] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable-orientation welding robot, characterized in that, Including: A ring frame (1), with feet (6) fixedly installed at the bottom of the ring frame (1), a first chute ring (7) fixedly installed inside the ring frame (1), a second chute ring (8) fixedly installed at the top of the ring frame (1), and a toothed ring (9) fixedly installed on the inner wall of the ring frame (1), where the toothed ring (9) is arranged between the first chute ring (7) and the second chute ring (8); A revolution mechanism (2), which is installed inside the ring frame (1); A rotation mechanism (3), which is installed on the top of the revolution mechanism (2), an adjustment mechanism (4) is installed on the top of the rotation mechanism (3), one end of the adjustment mechanism (4) far from the rotation mechanism (3) is installed with a fine adjustment mechanism (5), and a welding head (10) is fixedly installed at the end of the fine adjustment mechanism (5); Among them, the revolution mechanism (2) includes a rotating ring (22), the rotating ring (22) is rotatably installed inside the first chute ring (7), a first motor (21) is fixedly installed on the inner side surface of the rotating ring (22), the output end of the first motor (21) is fixedly connected with a first gear (23), the first gear (23) meshes with the toothed ring (9), a fixed rod (24) is fixedly installed on the top of the first gear (23), the top end of the fixed rod (24) is rotatably installed with an arc-shaped slider (25), a roller (26) is rotatably installed on the arc surface of the arc-shaped slider (25) through a rotating shaft, the roller (26) is arranged inside the second chute ring (8), and a supporting plate (27) is fixedly installed on the top of the arc-shaped slider (25).

2. The adjustable-orientation welding robot according to claim 1, wherein: The rotation mechanism (3) includes an installation box (31) and a second motor (32), the installation box (31) is fixedly installed on the top of the supporting plate (27), the second motor (32) is fixedly installed on the side of the installation box (31), a lead screw (33) is rotatably installed inside the installation box (31), the lead screw (33) penetrates through the installation box (31) and extends to the outside thereof, and one end of the lead screw (33) is fixedly connected to the output end of the second motor (32).

3. The adjustable-orientation welding robot according to claim 2, characterized in that: A second gear (34) is rotatably installed at the bottom of the inner cavity of the installation box (31) through a rotating shaft, the second gear (34) meshes with the spiral protrusion on the surface of the lead screw (33), and a turntable (35) is fixedly installed on the top of the second gear (34), the turntable (35) penetrates through the installation box (31) and extends to the top thereof.

4. The adjustable-orientation welding robot according to claim 3, characterized in that: The adjustment mechanism (4) includes a fixed frame (41) and a third motor (42), the fixed frame (41) is fixedly installed on the top of the turntable (35), a first transmission shaft (43) is rotatably installed at the top end of the fixed frame (41), the first transmission shaft (43) penetrates through the fixed frame (41) and extends to both sides thereof, one end of the first transmission shaft (43) is fixedly connected to the output end of the third motor (42), a first rotating rod (44) is fixedly installed on the outer surface of the first transmission shaft (43), the other end of the first rotating rod (44) is rotatably installed with a connecting rod (45) through a rotating shaft, and the other end of the connecting rod (45) is rotatably installed with an adjustment table (47) through a rotating shaft.

5. The adjustable-orientation welding robot according to claim 4, wherein: A connecting frame (49) is rotatably mounted on the outer surface of the first transmission shaft (43). One end of the connecting frame (49) far from the first transmission shaft (43) is rotatably mounted with a second rotating rod (48). The second rotating rod (48) penetrates through the connecting frame (49) and extends to both sides thereof. Both ends of the second rotating rod (48) are fixedly connected inside the adjusting table (47). The second rotating rod (48) and the connecting rod (45) are oppositely arranged on both sides of the adjusting table (47).

6. The adjustable-orientation welding robot according to claim 5, wherein: A buffer spring (46) is fixedly installed at the middle of the connecting rod (45). The other end of the buffer spring (46) is fixedly connected to the surface of the first rotating rod (44).

7. The adjustable-orientation welding robot according to claim 6, characterized in that: The fine-tuning mechanism (5) includes a mounting block (51). The mounting block (51) is fixedly installed on the outer surface of the adjusting table (47). A fourth motor (52) is fixedly installed on the surface of the mounting block (51). The output end of the fourth motor (52) is fixedly connected to a second transmission shaft (53). The second transmission shaft (53) penetrates through the mounting block (51) and extends to the outside thereof. A fine-tuning member (54) is fixedly installed at the end of the second transmission shaft (53) far from the fourth motor (52).

8. The adjustable-orientation welding robot according to claim 7, wherein: The fine-tuning member (54) includes a mounting box (541) and a third rotating rod (546). The mounting box (541) is fixedly connected to the end of the second transmission shaft (53). A fifth motor (542) is fixedly installed on the side surface of the mounting box (541). The output end of the fifth motor (542) is fixedly connected to a third transmission shaft (543). The third transmission shaft (543) penetrates through the mounting box (541) and extends to the outside thereof. A third gear (544) is fixedly connected to the end of the third transmission shaft (543) far from the fifth motor (542).

9. The adjustable-orientation welding robot according to claim 8, wherein: The third rotating rod (546) is rotatably mounted inside the mounting box (541). The third rotating rod (546) penetrates through the mounting box (541) and extends to both sides thereof. A fourth gear (545) is fixedly installed at one end of the third rotating rod (546). The fourth gear (545) meshes with the third gear (544).

10. The adjustable-orientation welding robot according to claim 9, wherein: A rotating seat (547) is fixedly installed on the outer surface of the third rotating rod (546). The rotating seat (547) is fixedly installed at the end of the welding head (10).

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