A rear roof cross beam assembly welding robot

Abstract

The application discloses a rear roof cross beam assembly welding robot, which comprises a welding frame and an outer side welding robot, further comprises a transverse sliding platform and a turnover frame, a vehicle frame is fixed on the transverse sliding platform, an inner side welding robot is arranged on the transverse sliding platform, the outer side welding robot and the inner side welding robot cooperate to perform a welding operation, wherein a plurality of mounting groove seats are arranged on the side of the transverse sliding platform close to the outer side welding robot, monitoring cameras are arranged in the mounting groove seats and are used for judging a welding position and monitoring a welding quality, turnover frames are rotationally connected to the two sides of the welding frame, and the transverse sliding platform is in transmission cooperation with the two turnover frames. The application is used for solving the problems that in the prior art, when a welding robot is used to weld a rear roof cross beam assembly, the welding robot needs to reciprocate in and out of the vehicle frame continuously, the welding efficiency is affected, and in the welding process, the vehicle frame is prone to displacement, and the welding precision is affected.

Description

Technical Field

[0001] This invention relates to the field of welding robot technology, and more specifically to a welding robot for a rear top beam assembly. Background Technology

[0002] The rear roof crossbeam assembly is a core connecting component between the roof assembly and the rear side panels, rear windshield mounting area, and tailgate hinge area. It is used to laterally connect the left and right D-pillars and is the last lateral closing structure on the roof of the vehicle. It is located between the rear edge of the roof, the rear windshield, and the left and right side panels. Common components include the inner panel of the rear roof crossbeam, the outer panel of the rear roof crossbeam, a reinforcing plate, and an integrated bracket. The core role of the rear roof crossbeam assembly in the frame system is to form a mounting ring for the frame, ensuring the safety of the frame in rollover or roof crush, and improving the torsional rigidity of the body. It is an essential metal structure on the frame.

[0003] During the process of welding the rear roof crossbeam assembly onto the vehicle frame, because the rear roof crossbeam assembly is a relatively late welding process on the vehicle frame welding production line, it needs to be welded onto the vehicle frame only after the floor assembly, left and right side panels, front compartment and rear panel have been welded. In the actual welding process, the welded vehicle frame is moved to the welding area of ​​the rear roof crossbeam assembly, and then a robotic arm is used to move the rear roof crossbeam assembly to the corresponding position on the vehicle frame. Then, a welding robot is used to perform spot welding on the corresponding connection area between the rear roof crossbeam assembly and the vehicle frame.

[0004] In existing technologies, when welding robots are used to weld the assembled rear top crossbeam assembly to the vehicle frame, spot welding is required on both the inner and outer sides of the rear top crossbeam assembly. During the welding process, a welding process flow of inside-outside, strong nodes-outside, and symmetrical welding must be followed. This requires the welding robot to move back and forth inside and outside the vehicle frame, increasing the unnecessary displacement time of the welding robot's welding end. This can easily lead to deformation between the rear top crossbeam assembly and the vehicle frame. Furthermore, during the welding process of the rear top crossbeam assembly, the force generated during welding can easily cause slight deformation of the vehicle frame, thus affecting the welding accuracy of the rear top crossbeam assembly. Summary of the Invention

[0005] (a) Technical problems to be solved To address the shortcomings of existing technologies, this invention provides a welding robot for the rear top crossbeam assembly. This addresses the problems mentioned in the background art, where welding robots are required to repeatedly weld on both the inner and outer sides of the vehicle frame, affecting welding efficiency, and where vehicle frame displacement easily occurs during the welding process, affecting welding accuracy.

[0006] (II) Technical Solution To achieve the above objectives, the present invention provides the following technical solution: a welding robot for a rear top crossbeam assembly, comprising a welding frame and an outer welding robot, and further comprising: A transverse sliding platform is provided, the vehicle frame is fixed on the transverse sliding platform, an inner welding robot is provided on the transverse sliding platform, and an outer welding robot and an inner welding robot cooperate to perform welding operations; The transverse sliding platform has multiple mounting slots on the side near the outer welding robot, and a monitoring camera is installed in the mounting slot to determine the welding position and monitor the welding quality. The welding frame has a rotating frame on both sides. The transverse sliding platform is driven by the two rotating frames. When the transverse sliding platform moves towards the welding robot on the outside, the two rotating frames move towards the transverse sliding platform. Multiple rotating brackets are rotatably provided on the rotating frame for fixing the side of the frame.

[0007] The welding frame includes a sliding groove frame, a mounting groove frame, and a mounting shaft. The sliding groove frame and the mounting groove frame are fixedly connected together and perpendicular to each other. The transverse sliding platform is slidably disposed on the top of the sliding groove frame. The mounting shaft is rotatably connected to both sides of the interior of the mounting groove frame. One side of the tilting frame is connected to the mounting shaft.

[0008] A transmission screw is rotatably connected through the sliding slot frame. A threaded seat is provided at the bottom of the transverse sliding platform. The threaded seat and the transmission screw are in transmission engagement. A drive spindle is rotatably connected to the mounting slot frame. A reversing component is provided between the drive spindle and the transmission screw to change the rotation direction of the drive spindle and the transmission screw.

[0009] The two mounting shafts are respectively provided with transmission connection components between them and the drive spindle and the transmission screw.

[0010] A mounting bracket is fixedly connected to the middle of the mounting slot. The monitoring camera, which can adjust the shooting angle, is set in the middle of the mounting bracket. The mounting bracket also includes a rotating ring frame, which is rotatably connected to the mounting slot. Multiple lenses are arranged circumferentially on the rotating ring frame.

[0011] Rotating ring sleeves are fixedly connected to both sides of the rotating ring frame. Semicircular sliding pieces are provided on both sides of the interior of the mounting slot. The semicircular sliding pieces are slidably connected to the rotating ring sleeves. A gear transmission assembly is provided between the mounting support plate and one of the rotating ring sleeves, which drives the rotating ring frame to rotate within the mounting slot.

[0012] A slag scraper is provided on one side of the rotating ring frame. The slag scraper is fixedly connected in the mounting slot. The slag scraper is in contact with the lens. A collection trough is provided at the bottom of the slag scraper.

[0013] The tilting frame is fixedly connected to a plurality of connecting support plates of different lengths on the side away from the transverse sliding platform. A rotating shaft support is fixedly connected to one side of the connecting support plate. A driving rotating shaft is provided on the rotating shaft support. The bottom of the tilting bracket is connected to the driving rotating shaft.

[0014] The top of the tilting frame is fixedly connected to a rotating slot frame, and a connecting main shaft is rotatably connected inside the rotating slot frame. Multiple driving shafts are all connected to the connecting main shaft for transmission.

[0015] Some of the flip-up brackets are provided with an abutment at the top, while the other flip-up brackets are provided with a smoking tube at the top, and a smoking pipe is connected to one side of the smoking tube.

[0016] (III) Beneficial Effects Compared with the prior art, the present invention provides a welding robot for the rear top crossbeam assembly, which has the following beneficial effects: 1. When it is necessary to weld the rear top crossbeam assembly to the frame body, firstly, while moving the frame body towards the outer welding robot, the inner welding robot is prepared to weld the joint between the rear top crossbeam assembly and the frame body inside the frame body. After fixing the rear top crossbeam assembly to the designated position on the frame body, the inner welding robot can cooperate with the outer welding robot to perform the welding process between the rear top crossbeam assembly and the frame body. During the welding process, spot welding of corresponding areas can be used so that the inner and outer welding robots can perform the welding operation between the frame body and the rear top crossbeam assembly in a stress-balanced manner.

[0017] 2. When welding the main body of the vehicle frame, this invention needs to ensure the stability of the main body of the vehicle frame during the welding process. In the use of this invention, when the main body of the vehicle frame is placed on the transverse sliding platform and moved outward into the welding robot area, the two flipping frames move towards the main body of the vehicle frame. The flipping bracket with abutment seat is used to fix the two side areas of the main body of the vehicle frame. The welding fumes generated during the welding process can be discharged through the smoke extraction pipe and smoke extraction tube, which makes it easier to keep the welded main body of the vehicle frame stable and to discharge the welding fumes in a timely manner.

[0018] 3. After the main body of the frame to be welded is placed on the transverse sliding bracket, a monitoring camera can be used to photograph the area to be welded. This helps the staff determine the position of the welding area by the inner welding robot, assess the condition of the welding area before welding, determine whether the welding conditions are met, and check for any damage to the main body of the frame and the rear top crossbeam assembly. After welding, the quality of the welding area can be assessed. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 This is a partial sectional view of the sliding slot frame and mounting slot frame in this application. Figure 3 This is a schematic diagram of the structure of the sliding slot frame, mounting slot frame, transverse sliding platform and mounting slot seat in this application; Figure 4 This is a schematic diagram of the structure of the transverse sliding platform, mounting slot, rotating ring frame and lens in this application; Figure 5 This is a schematic diagram of the structure of the rotating ring frame, lens, rotating ring sleeve, semi-circular sliding plate and slag scraper in this application; Figure 6 This is a schematic diagram of the structure of the transmission screw, drive spindle and reversing assembly in this application. Figure 7 For this application Figure 6 A magnified schematic diagram of the local structure at point A; Figure 8 This is a schematic diagram of the structure of the rotating slot frame, connecting main shaft, tilting bracket and rotating shaft support in this application; Figure 9 This is a schematic diagram of the structure of the rotating shaft support, the flipping bracket and the semi-circular damping groove in this application; Figure 10 This is a schematic diagram of the structure of the tilting frame, mounting slot, and mounting shaft in this application.

[0020] In the diagram: 1. Outer welding robot; 2. Lateral sliding platform; 3. Inner welding robot; 4. Mounting slot; 5. Monitoring camera; 6. Tilting frame; 7. Tilting bracket; 8. Sliding slot frame; 9. Mounting slot frame; 10. Mounting shaft; 11. Transmission screw; 12. Drive spindle; 13. Mounting support plate; 14. Rotating ring frame; 15. Lens; 16. Rotating ring sleeve; 17. Semi-circular sliding plate; 18. Slag scraper; 19. Collection tank; 20. Connecting support plate; 21. Shaft support; 22. Drive shaft; 23. 24. Rotating slot frame; 25. Connecting main shaft; 26. Abutment seat; 27. Smoke tube; 28. Smoke extraction pipe; 29. ​​Caster wheel; 30. Support seat; 31. Receiving groove; 32. First drive motor; 33. Gearbox; 34. Bevel gear one; 35. Bevel gear two; 36. Internal gear ring; 37. Drive gear; 38. Second drive motor; 39. Through groove; 40. Linkage shaft; 41. Bevel gear three; 42. Transmission wheel; 43. Transmission belt; 44. Semi-circular damping groove; 45. Third drive motor; 46. Synchronous pulley. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] To achieve the welding process of welding the rear roof crossbeam assembly to the vehicle frame body, this invention discloses a welding robot for the rear roof crossbeam assembly. (See also...) Figures 1 to 10 The system includes a welding frame and an outer welding robot 1. The welding frame includes a sliding slot frame 8, a mounting slot frame 9, and a mounting shaft 10. The sliding slot frame 8 and the mounting slot frame 9 are fixedly connected together and perpendicular to each other. A transverse sliding platform 2 is slidably mounted on top of the sliding slot frame 8. Mounting shafts 10 are rotatably connected to both sides of the inner side of the mounting slot frame 9. One side of the tilting frame 6 is connected to the mounting shaft 10. (See also...) Figure 10 The sliding slot frame 8 and the mounting slot frame 9 are set at their corresponding positions on the automobile frame welding production line, waiting for the main body of the frame and the rear top crossbeam assembly to be welded. The sliding slot frame 8 is used to slide the transverse sliding platform 2, while the tilting frame 6 is rotatably connected to the mounting slot frame 9 through the mounting pivot 10. In order to ensure stability during the movement of the tilting frame 6, a support rod is provided on the side of the tilting frame 6 away from the mounting pivot 10. The bottom of the support rod is provided with casters 28 to keep the tilting frame 6 moving stably.

[0023] It also includes a lateral sliding platform 2, on which the chassis is fixed. Please refer to [link / reference]. Figure 3 The four corner areas of the transverse sliding platform 2 are provided with support seats 29 that mesh with the bottom shape of the frame body. The support seats 29 have grooves of different shapes. After the frame body is placed between multiple support seats 29, multiple areas of the bottom of the frame body extend into the multiple support seats 29 respectively. Then, when the loading equipment fixes the top of the frame body and moves with the transverse sliding platform 2, the support seats 29 are used to keep the frame body stable.

[0024] The top of the transverse sliding platform 2 is provided with a receiving groove 30, which allows the inner welding robot 3 to move parallel to the receiving groove 30 through its multiple axes used for angle adjustment. This prevents the frame body from colliding with the inner welding robot 3 during the process of the loading structure moving the frame body onto the transverse sliding platform 2.

[0025] An inner welding robot 3 is mounted on the transverse sliding platform 2. The outer welding robot 1 and the inner welding robot 3 cooperate to perform welding operations. A transmission screw 11 is rotatably connected through the sliding slot frame 8. Please refer to [link / reference]. Figure 3 The bottom of the transverse sliding platform 2 is provided with a threaded seat, which is connected to the transmission screw 11. A drive spindle 12 is rotatably connected to the mounting bracket 9. A reversing component is provided between the drive spindle 12 and the transmission screw 11 to change the rotation direction of the drive spindle 12 and the transmission screw 11. A first drive motor 31 is provided on the mounting bracket 9 to drive the drive spindle 12 to rotate. The output end of the first drive motor 31 is fixedly connected to the drive spindle 12. When the first drive motor 31 is started, the drive spindle 12 is driven to rotate. Through the connection relationship of the reversing component, the transmission screw 11 is driven to rotate, thereby causing the threaded seat and the transverse sliding platform 2 to move laterally on the sliding bracket 8, and causing the frame body to move outward toward the welding robot 1.

[0026] The reversing assembly includes gearbox 32, please refer to Figure 7 The gearbox 32 is fixedly connected in the mounting slot 9. The drive shaft 12 and the transmission screw 11 are rotatably connected to the gearbox 32 at their closest points. Both the drive shaft 12 and the transmission screw 11 are provided with bevel gears 33. A bevel gear 34 is rotatably connected in the gearbox 32. The bevel gear 34 meshes with the two bevel gears 33. During the rotation of the drive shaft 12, the transmission screw 11 is rotated in the opposite direction to the drive shaft 12 by the meshing and steering ability between the bevel gear 34 and the bevel gears 33.

[0027] The transverse sliding platform 2 has multiple mounting slots 4 on one side near the outer welding robot 1. Each mounting slot 4 contains a monitoring camera 5 for determining the welding position and monitoring welding quality. A mounting support plate 13 is fixedly connected to the center of the mounting slot 4. The monitoring camera 5, with adjustable shooting angle, is located in the center of the mounting support plate 13. The monitoring camera 5 is a technical device known to those skilled in the art, possessing 360-degree angle adjustment capabilities and the ability to communicate with an external computer. This allows for timely transmission of images of the welding area inside the frame to the computer, facilitating timely monitoring of the welding status between the frame body and the rear top crossbeam assembly before, during, and after welding. Before welding, it assesses the welding area's condition, whether welding conditions are met, and whether there is any damage to the frame body and rear top crossbeam assembly. During welding, it determines the movement path and welding status of the inner welding robot 3. After welding, it assesses the quality of the welding area, effectively assisting workers in completing the welding process.

[0028] It also includes a rotating ring frame 14, which is rotatably connected within the mounting slot 4. A baffle is provided between the rotating ring frame 14 and the mounting slot 4 to effectively prevent welding slag from falling into the mounting slot 4. Please refer to [link to relevant documentation]. Figure 5 Multiple lenses 15 are arranged circumferentially on the rotating ring frame 14. During the welding process, it is inevitable that welding slag will splash downwards. In order to prevent welding slag from falling onto the surface of the monitoring camera 5 without affecting the observation of the welding area by the monitoring camera 5, transparent lenses 15 are used to protect the top of the monitoring camera 5. By rotating the rotating ring frame 14, multiple lenses 15 can take turns protecting the top of the monitoring camera 5.

[0029] Rotating ring frames 14 are fixedly connected to both sides of rotating ring sleeves 16. Semicircular sliding pieces 17 are provided on both sides of the interior of the mounting slot 4, and these semicircular sliding pieces 17 are slidably connected to the rotating ring sleeves 16. A gear transmission assembly is provided between the mounting support plate 13 and one of the rotating ring sleeves 16, driving the rotating ring frame 14 to rotate within the mounting slot 4. When the rotating ring frame 14 rotates, it rotates along the center point of the rotating ring sleeve 16. When the rotating ring sleeve 16 rotates, the semicircular sliding pieces 17 slide against the rotating ring sleeve 16, and the rotating ring frame 14 rotates between the two semicircular sliding pieces 17. The gear transmission... The moving component includes an internal gear ring 35, which is fixedly connected to the inner arc surface of one of the rotating ring sleeves 16. A drive gear 36 is meshed on the internal gear ring 35. A second drive motor 37 is provided on the mounting plate 13. The output end of the second drive motor 37 is connected to the drive gear 36. When a lot of welding slag remains on the surface of one of the lenses 15, the second drive motor 37 is started to drive the drive gear 36 to rotate. Through the meshing relationship between the drive gear 36 and the internal gear ring 35, the rotating ring frame 14 and multiple lenses 15 are driven to rotate, so that the other clean lenses 15 are moved to the upper side of the monitoring camera 5.

[0030] A slag scraper 18 is provided on one side of the rotating ring frame 14. The slag scraper 18 is fixedly connected in the mounting slot 4. The slag scraper 18 is in contact with the lens 15. A collection tank 19 is provided at the bottom of the slag scraper 18. When the lens 15 with welding slag on its surface moves into the mounting slot 4, the outer arc surface of the lens 15 will be in contact with the slag scraper 18. The flexible material slag scraper 18 removes the welding slag from the surface of the lens 15. Because the slag scraper 18 is set in an inclined position inside the mounting slot 4, the welding slag that is cleaned off can accumulate and enter the collection tank 19. Both the mounting slot 4 and the transverse sliding platform 2 are provided with through slots 38 that can remove the collection tank 19 for cleaning.

[0031] Both sides of the welding frame are rotatably connected to a tilting frame 6. The transverse sliding platform 2 is driven by the two tilting frames 6. When the transverse sliding platform 2 moves outward toward the welding robot 1, both tilting frames 6 move toward the transverse sliding platform 2. Multiple tilting brackets 7 are rotatably mounted on the tilting frame 6. After the transverse sliding platform 2 moves the frame body to the welding area, the two tilting frames 6 move to both sides of the frame body and then drive the multiple tilting brackets 7 to move toward the frame body, respectively realizing operations such as fixing the frame body and venting welding fumes.

[0032] The two mounting shafts 10 are respectively provided with transmission connection assemblies between themselves and the drive spindle 12 and the transmission screw 11. Please refer to [link / reference]. Figure 4The transmission connection assembly includes two linkage shafts 39, which correspond one-to-one with the mounting shaft 10. Both linkage shafts 39 and mounting shaft 10 are equipped with bevel gears 40, and the two bevel gears 40 on the same side mesh. Both linkage shafts 39 and drive shaft 12 or drive screw 11 are equipped with drive wheels 41, and a drive belt 42 is provided between the two corresponding drive wheels 41. When drive shaft 12 and drive screw 11 rotate, the drive wheels 41 and drive belt 42 can drive the linkage shaft 39 on the corresponding side to rotate. The linkage shaft 39 and mounting shaft 10 are connected by bevel gears 40, so that when drive shaft 12 and drive screw 11 rotate, the two tilting frames 6 rotate around the center point of mounting shaft 10.

[0033] Multiple connecting support plates 20 of different lengths are fixedly connected to the side of the tilting frame 6 away from the transverse sliding platform 2. Please refer to [link / reference]. Figure 8 A pivot support 21 is fixedly connected to one side of the connecting support plate 20. A drive pivot 22 is provided on the pivot support 21. The bottom of the flip bracket 7 is connected to the drive pivot 22. Because the side width of the frame body is not uniform, the flip positions of the multiple flip brackets 7 toward the frame body are also not uniform. Therefore, due to the different lengths of the connecting support plate 20, the flip positions of the multiple pivot supports 21 and the flip brackets 7 are also not uniform. When the drive pivot 22 rotates, the drive flip bracket 7 shifts toward the frame body along the center point of the drive pivot 22. Also, because the initial installation angle of the flip bracket 7 is also different, the flip angle and position of the multiple flip brackets 7 after flipping are not uniform, so that the flip bracket 7 can match the different width areas of the side of the frame body.

[0034] Furthermore, in order to ensure sufficient fixing force on the stationary tilting bracket 7 when the rotation of the tilting bracket 7 stops, a semi-circular damping groove 43 is provided on the rotating shaft support 21. The bottom of the tilting bracket 7 slides in conjunction with the semi-circular damping groove 43 through a damping slider, so that the tilting bracket 7 in the stationary state maintains sufficient stability.

[0035] A rotating slot frame 23 is fixedly connected to the top of the tilting frame 6. A connecting main shaft 24 is rotatably connected inside the rotating slot frame 23. Multiple driving shafts 22 are all connected to the connecting main shaft 24. A third drive motor 44 is provided on the tilting frame 6. The output end of the third drive motor 44 is connected to the connecting main shaft 24. Synchronous pulleys 45 are provided on the connecting main shaft 24 and the multiple driving shafts 22. Corresponding pairs of synchronous pulleys 45 are connected by a synchronous belt. When the third drive motor 44 is started, it drives the connecting main shaft 24 to rotate. Through the transmission cooperation of the synchronous pulleys 45 and the synchronous belt, the driving shafts 22 rotate within the shaft support 21, adjusting the tilt angle of the tilting bracket 7.

[0036] Some of the flip-up brackets 7 are provided with abutment seats 25 on their tops, and the remaining flip-up brackets 7 are provided with smoke ducts 26 on their tops. A smoke extraction pipe 27 is connected to one side of the smoke duct 26. When multiple flip-up brackets 7 flip onto the frame body, when the flip-up bracket 7 with abutment seats 25 flips toward the frame body, the abutment seats 25 abut against the outer wall of the frame body, while the smoke duct 26 enters the inner side of the frame body. After connecting the smoke extraction pipe 27 to the fan, the welding fumes generated during welding on the inner side of the frame body can be extracted and discharged through the smoke duct 26 and the smoke extraction pipe 27.

[0037] To achieve the process of welding the rear top crossbeam assembly onto the vehicle frame, the workflow of using this rear top crossbeam assembly welding robot is as follows: First, the loading structure is used to move the already welded frame body onto the transverse sliding platform 2. At this time, the loading structure continues to be connected to the frame body. Then, when the transverse sliding platform 2 drives the frame body to move towards the outer welding robot 1, the two tilting frames 6 move towards the frame body under the action of the transmission connection component. When the frame body moves to the working position of the outer welding robot 1, the two tilting frames 6 also move to the outside of the frame body. After the lateral sliding platform 2 and the frame body stop moving, the third drive motor 44 is started to drive the connecting main shaft 24 to rotate. Through the transmission cooperation of the synchronous pulley 45 and the synchronous belt, the drive shaft 22 is rotated in the shaft support 21. The tilt angle of the flipping bracket 7 is adjusted so that the abutment seats 25 on both sides abut against the side of the frame body, and the smoking pipe 26 extends into the inside of the frame body.

[0038] Then, another loading structure is used to move the rear top crossbeam assembly to the corresponding position on the main frame, so that the welding area on the main frame fits the rear top crossbeam assembly.

[0039] After fixing the rear top crossbeam assembly, before welding, monitoring camera 5 is used to determine the fixed position of the rear top crossbeam assembly. Monitoring camera 5 has the ability to autonomously judge welding conditions. Through comparison technology, it prompts the outer welding robot 1 and the inner welding robot 3 to start working. The corresponding welding methods of the outer welding robot 1 and the inner welding robot 3 are used to perform welding operations between the rear top crossbeam assembly and the main frame. During the welding process, monitoring camera 5 continuously monitors the welding area to ensure welding quality. After welding is completed, the welding quality of the welding area is industrially identified. This technology ensures welding quality.

[0040] After welding is completed, the loading structure can be used to move the welded frame body to the next process, while the transverse sliding platform 2 and the flipping bracket 7 and other components are reset.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A welding robot for a rear top crossbeam assembly, comprising a welding frame and an outer welding robot (1), characterized in that, Also includes: A transverse sliding platform (2) is provided, the vehicle frame is fixed on the transverse sliding platform (2), and an inner welding robot (3) is provided on the transverse sliding platform (2). The outer welding robot (1) and the inner welding robot (3) cooperate to perform welding operations. The horizontal sliding platform (2) is provided with multiple mounting slots (4) on the side near the outer welding robot (1), and a monitoring camera (5) is provided in the mounting slot (4) to determine the welding position and monitor the welding quality. The welding frame is rotatably connected to both sides of the rotating frame (6). The transverse sliding platform (2) is driven to cooperate with the two rotating frames (6). When the transverse sliding platform (2) moves towards the outer welding robot (1), the two rotating frames (6) move towards the transverse sliding platform (2). Multiple rotating brackets (7) are rotatably provided on the rotating frame (6) for fixing the side of the frame.

2. The welding robot for the rear top beam assembly according to claim 1, characterized in that, The welding frame includes: The sliding slot frame (8) and the mounting slot frame (9) are fixedly connected together and perpendicular to each other; The transverse sliding platform (2) is slidably disposed on the top of the sliding groove frame (8); The mounting shaft (10) is rotatably connected to both sides of the mounting slot (9), and one side of the flipping frame (6) is connected to the mounting shaft (10).

3. The welding robot for the rear top beam assembly according to claim 2, characterized in that, A transmission screw (11) is rotatably connected through the sliding groove frame (8), and a threaded seat is provided at the bottom of the transverse sliding platform (2), and the threaded seat and the transmission screw (11) are in transmission cooperation. A drive spindle (12) is rotatably connected to the mounting bracket (9). A reversing assembly is provided between the drive spindle (12) and the transmission screw (11) to change the rotation direction of the drive spindle (12) and the transmission screw (11).

4. The welding robot for the rear top beam assembly according to claim 3, characterized in that, The two mounting shafts (10) are respectively provided with transmission connection components between the drive spindle (12) and the transmission screw (11).

5. A welding robot for a rear top beam assembly according to claim 4, characterized in that, A mounting plate (13) is fixedly connected to the middle of the mounting slot (4), and the monitoring camera (5) with adjustable shooting angle is set in the middle of the mounting plate (13). It also includes a rotating ring frame (14), which is rotatably connected in the mounting slot (4), and a plurality of lenses (15) are arranged circumferentially on the rotating ring frame (14).

6. A welding robot for a rear top beam assembly according to claim 5, characterized in that, Rotating ring frame (14) is fixedly connected to both sides of rotating ring sleeve (16), and semi-circular sliding pieces (17) are provided on both sides of the inner side of mounting slot (4). The semi-circular sliding pieces (17) are slidably connected to the rotating ring sleeve (16). A gear transmission assembly is provided between the mounting support plate (13) and the rotating ring sleeve (16) on one side, which drives the rotating ring frame (14) to rotate within the mounting slot (4).

7. A welding robot for a rear top beam assembly according to claim 6, characterized in that, A scraper plate (18) is provided on one side of the rotating ring frame (14). The scraper plate (18) is fixedly connected in the mounting slot (4). The scraper plate (18) is in contact with the lens (15). A collection trough (19) is provided at the bottom of the scraper plate (18).

8. A welding robot for a rear top beam assembly according to claim 7, characterized in that, The tilting frame (6) is fixedly connected to a plurality of connecting support plates (20) of different lengths on the side away from the transverse sliding platform (2). A rotating shaft support (21) is fixedly connected to one side of the connecting support plate (20). A driving rotating shaft (22) is provided on the rotating shaft support (21). The bottom of the tilting bracket (7) is connected to the driving rotating shaft (22).

9. A welding robot for a rear top crossbeam assembly according to claim 8, characterized in that, The top of the flipping frame (6) is fixedly connected to a rotating slot frame (23), and a connecting main shaft (24) is rotatably connected inside the rotating slot frame (23). Multiple driving shafts (22) are connected to the connecting main shaft (24) for transmission.

10. A welding robot for a rear top beam assembly according to claim 9, characterized in that, A portion of the flip brackets (7) are provided with an abutment seat (25) at the top, and the remaining flip brackets (7) are provided with a smoking tube (26) at the top, with a smoking pipe (27) connected to one side of the smoking tube (26).

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