An integrated welding apparatus for assembling a vehicle body

Abstract

The application belongs to the technical field of welding, in particular to an integrated welding equipment for automobile body assembly, which comprises a welding table and a welding gun, and a stud welding automatic placing assembly is arranged on the welding table; the stud welding automatic placing assembly comprises a mounting frame capable of moving horizontally above the welding table, one end of the mounting frame is fixedly connected with a back plate, two frame bodies are symmetrically arranged on one side of the back plate, a baffle is jointly attached to one side of the two frame bodies, the bottom portions of the two frame bodies are matched to form a strip-shaped through hole matched with the diameter of the stud, and a vibrating plate is slidably arranged on one side of the frame body. The stud welding automatic placing assembly can take out the studs to be welded from the frame body structure by the clamping jaw and place the studs on the plate one by one. Thus, the process of manually placing the studs one by one is omitted, and the labor intensity of workers is significantly reduced.

Description

Technical Field

[0001] This invention belongs to the field of welding technology, specifically an integrated welding device for automobile body assembly. Background Technology

[0002] During the manufacturing process of automobiles, multiple parts often need to be assembled, and these parts are usually connected by welding processes. Different methods, such as spot welding, arc welding, and laser welding, are applied to different parts of the car body, ultimately connecting the disparate sheet metal parts into a whole with load-bearing rigidity.

[0003] In the existing technology, when assembling and welding a car body, it is often necessary to weld multiple studs with their heads facing down onto the sheet metal to form an inverted suspension structure, which facilitates the subsequent application of torque from the tail of the studs to fasten and install other brackets.

[0004] However, this welding process typically relies on manual operation: workers must first manually align the stud head with the plate surface, and then use a welding torch to weld the joint. When there are many studs to be welded, this manual method significantly increases labor intensity. Furthermore, even if a robotic arm can replace workers in placing the studs, the studs are usually piled up haphazardly, making their outlines difficult for the robotic arm to effectively identify, easily leading to gripping failures or improper handling, which also hinders proper stud assembly. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, the present invention proposes an integrated welding equipment for automobile body assembly.

[0006] The technical solution adopted by the present invention to solve its technical problem is: an integrated welding equipment for automobile body assembly, including a welding table and a welding torch, wherein the welding table is provided with an automatic stud welding placement component; The automatic stud welding placement assembly includes a mounting frame that can move horizontally above the welding table. One end of the mounting frame is fixedly connected to a back plate. Two frames are symmetrically distributed on one side of the back plate. A baffle is attached to one side of both frames. The bottoms of the two frames cooperate to form a strip-shaped through hole that matches the diameter of the stud. A vibrating plate is slidably inserted through one side of the frame. Multiple studs are placed between the two frames. The vibrating plate vibrates, causing the studs to move continuously, so that the main body of the stud passes through the strip-shaped through hole and the head is stuck in the strip-shaped through hole. The stud welding automatic placement assembly also includes a material handling structure; The material handling structure includes a gripper cylinder, which has two grippers for holding the stud. The gripper cylinder can drive the two grippers to move closer to each other, further apart, and rotate. The grippers extend below the strip-shaped through hole to clamp the bottom of the stud and remove the stud from the strip-shaped through hole. Then, the grippers drive the stud to rotate so that its head is facing down and placed on the plate. The welding torch surrounds the stud for welding.

[0007] Preferably, the welding table is further provided with a plate positioning structure; The plate positioning structure includes clamping block one and clamping block two. Clamping block two is fixedly connected to the welding table. Cylinder six is ​​fixedly connected to the welding table. The piston end of cylinder six is ​​fixedly connected to one side of clamping block one.

[0008] Preferably, it also includes a displacement assembly for driving the mounting bracket to move laterally; The displacement component includes a lead screw slide table mounted on a welding platform. The lead screw slide table is provided with a movable beam that can move laterally. A lead screw guide rail module is provided on the movable beam. The mounting bracket is fixedly connected to the movable end of the lead screw guide rail module.

[0009] Preferably, the back plate is provided with a second screw guide rail module for adjusting the distance between the two frames. The second screw guide rail module is provided with two moving ends that move simultaneously toward or away from each other, and the two moving ends are respectively fixedly connected to the two frames. The mounting frame is provided with a third cylinder for driving the baffle to rise and fall.

[0010] Preferably, the mounting bracket is provided with a first cylinder, the piston end of the first cylinder is fixedly connected to a connecting block, the gripper cylinder is slidably connected to the connecting block in a transverse direction, and a second cylinder is fixedly connected to the connecting block, the piston end of the second cylinder being fixedly connected to the end of the gripper cylinder.

[0011] Preferably, the frame is further provided with a vibration generating component for causing the vibrating plate to vibrate; The vibration generating assembly includes a fixed plate fixedly connected to the frame. A plurality of dampers are provided on one side of the fixed plate. The piston ends of the plurality of dampers are fixedly connected to the vibration plate. A spring is fixedly connected to one side of the vibration plate. The other end of the spring is fixedly connected to the fixed plate. An electromagnetic vibrator is provided on the vibration plate.

[0012] Preferably, the mounting bracket is provided with a circular motion structure for displacing the welding torch; The circular motion structure includes a fixed ring, on which a gear ring is rotatably connected. A welding torch is slidably mounted on the gear ring along its horizontal direction. Multiple guide rods are slidably connected to the mounting frame along its vertical direction. The bottoms of the multiple guide rods are fixedly connected to the fixed ring. A cylinder four is mounted on the mounting frame. The piston end of the cylinder four is fixedly connected to one side of the fixed ring. A gear is rotatably connected to the fixed ring. The gear meshes with the gear blocks on the gear ring. A motor two is mounted on the fixed ring. The output end of the motor two is fixedly connected to the rotating end of the gear. A cylinder five is mounted on the gear ring. The piston end of the cylinder five is fixedly connected to one side of the welding torch.

[0013] Preferably, a conveyor belt is provided on one side of the bottom of the frame, and a power source for driving the conveyor belt is provided inside the frame.

[0014] Preferably, the frame is provided with a toggle-type vibration cancellation structure; The toggle-type vibration cancellation structure includes multiple sprockets rotatably mounted at the bottom of the frame, with chains meshing on the sprockets and multiple elastic friction strips on the chains. The bottom of the frame also has a motor for driving the sprockets to rotate.

[0015] The beneficial effects of this invention are as follows: 1. The integrated welding equipment for automobile body assembly described in this invention utilizes stud welding with automatic component placement. Studs to be welded are sequentially removed from the frame structure and placed onto the sheet metal by grippers. This eliminates the manual process of placing studs one by one, significantly reducing the labor intensity of workers. Secondly, before the grippers pick up the studs, the randomly piled-up components automatically adjust their posture to a uniform orientation with the head facing upwards and the body vertically downwards. The grippers only need to follow a preset path to accurately pick up the studs and precisely adjust the angle of the studs. This solves the problem of the robotic arm being unable to identify and pick up studs due to disorderly pile-up, achieving full automation of stud material handling, precise picking and placing, and automatic welding, greatly improving the production efficiency and operational accuracy of automobile body assembly welding.

[0016] 2. The integrated welding equipment for automobile body assembly described in this invention utilizes a toggle-type vibration offsetting structure. During the material handling process, a chain drives multiple friction strips to move. When a friction strip is located near the stud, it is in a descending state, and its edge adheres tightly to the stud surface under the action of elasticity. As the edge of the friction strip slides along the stud surface, it provides a downward frictional force to the stud. This frictional force actively and continuously drags the stud located at the strip-shaped through-hole downwards, effectively offsetting the interference force generated by the impact of disordered studs above. This prevents the studs that have already been positioned from being knocked out of the strip-shaped through-hole, ensuring a stable and orderly material handling process and providing a reliable guarantee for the accurate gripping of the subsequent clamps. Attached Figure Description

[0017] The invention will now be further described with reference to the accompanying drawings.

[0018] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the three-dimensional structure at the movable beam. Figure 3 yes Figure 2 Enlarged view of a portion of point A in the middle; Figure 4 This is a schematic diagram of the three-dimensional structure at the connecting block; Figure 5 This is a schematic diagram of the three-dimensional structure of the two clamping blocks; Figure 6 This is a three-dimensional structural diagram of the mounting bracket. Figure 7 This is a schematic diagram of the three-dimensional structure of the friction strip; Figure 8 yes Figure 7 Enlarged view of a section at point B in the middle; Figure 9 This is a schematic diagram of the three-dimensional structure at the vibrating plate. Figure 10 yes Figure 9 Enlarged view of a section at point C; Figure 11 This is a schematic diagram of the three-dimensional structure at the fixed plate. Figure 12 This is a schematic diagram of the three-dimensional structure at the fixed ring.

[0019] In the diagram: 1. Welding table; 2. Moving beam; 3. Lead screw slide; 4. Lead screw guide rail module one; 5. Mounting frame; 6. Frame; 7. Vibrating plate; 8. Cylinder one; 9. Cylinder two; 10. Grip cylinder; 11. Grip; 12. Friction strip; 13. Chain; 14. Sprocket; 15. Motor one; 16. Lead screw guide rail module two; 17. Back plate; 18. Conveyor belt; 19. Cylinder three; 20. Baffle; 21. Guide rod; 22. Cylinder four; 23. Fixing ring; 24. Cylinder five; 25. Motor two; 26. Gear; 27. Gear ring; 28. Welding torch; 29. ​​Spring; 30. Damper; 31. Cylinder six; 32. Clamping block one; 33. Clamping block two; 34. Connecting block; 35. Fixing plate. Detailed Implementation

[0020] The technical solution of the present invention will now be clearly and completely described 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.

[0021] Please refer to Figures 1-12 The present invention provides a technical solution: an integrated welding equipment for automobile body assembly, including a welding table 1 and a welding torch 28, wherein the welding table 1 is provided with an automatic stud welding placement component; The automatic stud welding placement assembly includes a mounting frame 5 that can move horizontally above the welding table 1. One end of the mounting frame 5 is fixedly connected to a back plate 17. Two frames 6 are symmetrically distributed on one side of the back plate 17. A baffle 20 is attached to one side of both frames 6. The bottoms of the two frames 6 cooperate to form a strip-shaped through hole that matches the diameter of the stud. A vibrating plate 7 is slidably inserted through one side of the frame 6. Multiple studs are placed between the two frames 6. The vibrating plate 7 vibrates to make the studs move continuously, so that the main body of the stud passes through the strip-shaped through hole and the head is stuck in the strip-shaped through hole. The automatic placement assembly for stud welding also includes a material handling structure; The material handling structure includes a gripper cylinder 10, which has two grippers 11 for gripping the stud. The gripper cylinder 10 can drive the two grippers 11 to move closer to each other, further away from each other, and rotate. The grippers 11 extend below the strip-shaped through hole to clamp the bottom of the stud and remove the stud from the strip-shaped through hole. Then, the grippers 11 drive the stud to rotate so that its head is facing down and placed on the plate. The welding torch 28 surrounds the stud for welding.

[0022] In this embodiment, as Figure 2 , 4 - Figure 6 , Figures 9-12 As shown, the welding table 1 is also equipped with a plate positioning structure; The plate positioning structure includes clamping block 1 32 and clamping block 2 33. Clamping block 2 33 is fixedly connected to welding table 1. Cylinder 6 31 is fixedly connected to welding table 1. The piston end of cylinder 6 31 is fixedly connected to one side of clamping block 1 32.

[0023] It also includes a displacement assembly for driving the mounting bracket 5 to move laterally; The displacement assembly includes a lead screw slide 3 mounted on a welding table 1, a movable beam 2 that can move laterally on the lead screw slide 3, a lead screw guide rail module 4 mounted on the movable beam 2, and a mounting bracket 5 fixedly connected to the movable end of the lead screw guide rail module 4.

[0024] The back plate 17 is provided with a screw guide module 2 16 for adjusting the distance between the two frames 6. The screw guide module 2 16 is provided with two moving ends that move simultaneously towards or away from each other, and the two moving ends are fixedly connected to the two frames 6 respectively. The mounting frame 5 is provided with a cylinder 3 19 for driving the baffle 20 to rise and fall.

[0025] The mounting bracket 5 is equipped with a cylinder 8, and a connecting block 34 is fixedly connected to the piston end of the cylinder 8. The gripper cylinder 10 is slidably connected to the connecting block 34 in a transverse direction. A cylinder 9 is fixedly connected to the connecting block 34, and the piston end of the cylinder 9 is fixedly connected to one end of the gripper cylinder 10.

[0026] The frame 6 is also equipped with a vibration generating component for causing the vibrating plate 7 to vibrate; The vibration generating assembly includes a fixed plate 35 fixedly connected to the frame 6. A plurality of dampers 30 are provided on one side of the fixed plate 35. The piston ends of the plurality of dampers 30 are fixedly connected to the vibration plate 7. A spring 29 is fixedly connected to one side of the vibration plate 7. The other end of the spring 29 is fixedly connected to the fixed plate 35. An electromagnetic vibrator is provided on the vibration plate 7.

[0027] The mounting bracket 5 is equipped with a circular motion structure for displacing the welding torch 28; The circular motion structure includes a fixed ring 23, a gear ring 27 rotatably connected to the fixed ring 23, a welding torch 28 slidingly on the gear ring 27 along its horizontal direction, multiple guide rods 21 slidingly connected to the mounting frame 5 along its vertical direction, the bottoms of the multiple guide rods 21 being fixedly connected to the fixed ring 23, a cylinder 22 on the mounting frame 5, the piston end of the cylinder 22 being fixedly connected to one side of the fixed ring 23, a gear 26 rotatably connected to the fixed ring 23, the gear 26 meshing with the toothed blocks on the gear ring 27, a motor 25 on the fixed ring 23, the output end of the motor 25 being fixedly connected to the rotating end of the gear 26, and a cylinder 24 on the gear ring 27, the piston end of the cylinder 24 being fixedly connected to one side of the welding torch 28.

[0028] A conveyor belt 18 is provided on one side of the bottom of the frame 6, and a power source for driving the conveyor belt 18 is provided inside the frame 6.

[0029] Specifically, in the existing technology, when assembling and welding a car body, it is often necessary to weld multiple studs with their heads facing down onto the sheet metal to form an inverted suspension structure, which facilitates the subsequent application of torque from the tail of the studs to fasten and install other brackets.

[0030] However, this welding process typically relies on manual operation: workers must first manually align the stud head with the plate surface, and then use a welding torch to weld the joint. When there are many studs to be welded, this manual method significantly increases labor intensity. Furthermore, even if a robotic arm can replace workers in placing the studs, the studs are usually piled up haphazardly, making their outlines difficult for the robotic arm to effectively identify, easily leading to gripping failures or improper handling, which also hinders proper stud assembly.

[0031] Therefore, in order to solve the above problems, the working principle of this embodiment is as follows: First, place the plate between clamping block 2 33 and clamping block 1 32, with one side of the plate against clamping block 2 33. Then, use cylinder 6 31 to move clamping block 1 32 laterally, so that clamping block 1 32 abuts against the other side of the plate. The plate is then clamped by the cooperation of clamping block 1 32 and clamping block 2 33 to ensure the stability of the plate during the welding process.

[0032] The back plate 17, baffle 20, and two vibrating plates 7 work together to form a frame structure for placing the stud. The bottom of this frame structure has a strip-shaped through hole. Since the diameter of the stud head is larger than the diameter of its main body, the two frames 6 can be driven by the lead screw guide module 16 to move simultaneously towards or away from each other to adjust the width of the strip-shaped through hole, making the width larger than the diameter of the stud body but smaller than the diameter of its head.

[0033] Then, multiple studs are inserted uniformly from above the frame structure. The electromagnetic vibrator on the vibrating plate 7 is then activated. The vibrating plate 7 vibrates in coordination with the electromagnetic vibrator, spring 29, and damper 30, causing the studs in the frame structure to move continuously and adjust their posture until they pass through the strip-shaped through-hole. Because the diameter of the stud head is larger than the width of the strip-shaped through-hole, the stud head is caught by the edge of the through-hole. Furthermore, the studs passing through the strip-shaped through-hole remain vertical under the influence of gravity. This ensures that multiple studs face the same direction.

[0034] As the vibrating plate 7 continues to vibrate, once all the studs have passed through the strip-shaped through hole, the conveyor belt 18 is driven to operate. Since the conveyor belt 18 is located at the edge of the strip-shaped through hole, the studs will move in a straight line due to the friction of their heads against the conveyor belt 18, and will eventually be blocked by the baffle 20.

[0035] When a stud is blocked by baffle 20, the device will detect this information. The detection method can be visual inspection or infrared detection. Subsequently, cylinder 29 drives the gripper cylinder 10 to move laterally, so that the bottom of the stud blocked by baffle 20 is between the two grippers 11. Then, gripper cylinder 10 is activated, and the two grippers 11 move closer together to clamp the stud. Then, baffle 20 is raised under the action of cylinder 319, so that baffle 20 no longer blocks the stud. The stud can then be removed from the slotted through hole by driving gripper cylinder 10 to move laterally again.

[0036] After being driven, the stud head faces upward. At this point, the clamping cylinder 10 drives the two clamping jaws 11 to rotate, rotating the clamped stud 180 degrees so that the stud head faces downward. Then, the connecting block 34 is driven down by cylinder 8, allowing the stud head to fit against the plate. At this point, the stud and the fixing ring 23 are aligned. Then, motor 25 drives gear 26 to rotate, causing gear ring 27 to rotate. Simultaneously, cylinder 5 drives welding torch 28 to move laterally, aligning welding torch 28 with the joint between the stud and the plate. Then, welding torch 28 is turned on to perform circumferential welding. Furthermore, sufficient distance is provided between welding torch 28 and clamping cylinder 10 to prevent mutual interference.

[0037] After a stud is welded to the plate, cylinder 22 drives the retaining ring 23 to rise. Then, the position of the mounting bracket 5, i.e., the position of the retaining ring 23, is adjusted using the lead screw slide 3 and lead screw guide module 4, moving the retaining ring 23 to the next position to be welded.

[0038] Repeating the above operation, the studs to be welded can be sequentially removed from the frame structure by the gripper 11 and placed on the sheet metal. This eliminates the need for manual placement of studs one by one, significantly reducing the labor intensity of workers. Secondly, before the gripper 11 picks up the studs, the randomly piled studs can be automatically adjusted to a uniform orientation with the head facing up and the body vertically downward. The gripper 11 only needs to follow the preset path to accurately pick up the studs and precisely adjust the angle of the studs. This solves the problem of the robot arm being unable to identify and pick up the studs due to their random pile-up, realizing full automation of the stud material handling, precise picking and placing, and automatic welding, greatly improving the production efficiency and operational accuracy of automotive body assembly welding.

[0039] In this embodiment, as Figure 7 and Figure 8 As shown, the frame 6 is equipped with a toggle-type vibration cancellation structure; The pulsating vibration cancellation structure includes multiple sprockets 14 rotatably located at the bottom of the frame 6, with chains 13 meshing on the sprockets 14, and multiple elastic friction strips 12 on the chains 13. The bottom of the frame 6 is also equipped with a motor 15 for driving the sprockets 14 to rotate.

[0040] Specifically, in the above embodiments, although the studs can be aligned to a uniform orientation through vibration and the coordinated operation of multiple structures, after the studs pass through the slotted hole, the studs that do not pass through the slotted hole will still move continuously due to vibration and collide with the studs that have already fallen into the slotted hole. The studs that are collided are easily moved out of the slotted hole due to the collision, and this continuous cycle leads to material handling failure, which in turn affects the normal gripping and docking operation of the subsequent gripper 11.

[0041] Therefore, in order to solve the above problems, the working principle of this embodiment is as follows: During the material handling process, the motor 15 drives the sprocket 14 to rotate, which in turn drives the chain 13. The chain 13 then moves multiple friction strips 12. When the friction strip 12 is located near the stud, it is in a descending state, and its edge adheres tightly to the stud surface under the action of elasticity. As the edge of the friction strip 12 slides along the stud surface, it provides a downward frictional force to the stud. This frictional force actively and continuously drags the stud located at the slotted through hole downwards, effectively counteracting the interference force generated by the impact of disordered studs above. This prevents the studs that are already in place from being knocked out of the slotted through hole, ensuring a stable and orderly material handling process and providing a reliable guarantee for the accurate gripping of the subsequent clamping claw 11.

[0042] Working principle: First, the plate is placed between clamping block 2 33 and clamping block 1 32, with one side of the plate abutting against clamping block 2 33. Then, cylinder 6 31 drives clamping block 1 32 to move laterally, so that clamping block 1 32 abuts against the other side of the plate. The plate is clamped by the cooperation of clamping block 1 32 and clamping block 2 33 to ensure the stability of the plate during the welding process.

[0043] The back plate 17, baffle 20, and two vibrating plates 7 work together to form a frame structure for placing the stud. The bottom of this frame structure has a strip-shaped through hole. Since the diameter of the stud head is larger than the diameter of its main body, the two frames 6 can be driven by the lead screw guide module 16 to move simultaneously towards or away from each other to adjust the width of the strip-shaped through hole, making the width larger than the diameter of the stud body but smaller than the diameter of its head.

[0044] Then, multiple studs are inserted uniformly from above the frame structure. The electromagnetic vibrator on the vibrating plate 7 is then activated. The vibrating plate 7 vibrates in coordination with the electromagnetic vibrator, spring 29, and damper 30, causing the studs in the frame structure to move continuously and adjust their posture until they pass through the strip-shaped through-hole. Because the diameter of the stud head is larger than the width of the strip-shaped through-hole, the stud head is caught by the edge of the through-hole. Furthermore, the studs passing through the strip-shaped through-hole remain vertical under the influence of gravity. This ensures that multiple studs face the same direction.

[0045] As the vibrating plate 7 continues to vibrate, once all the studs have passed through the strip-shaped through hole, the conveyor belt 18 is driven to operate. Since the conveyor belt 18 is located at the edge of the strip-shaped through hole, the studs will move in a straight line due to the friction of their heads against the conveyor belt 18, and will eventually be blocked by the baffle 20.

[0046] When a stud is blocked by baffle 20, the device will detect this information. The detection method can be visual inspection or infrared detection. Subsequently, cylinder 29 drives the gripper cylinder 10 to move laterally, so that the bottom of the stud blocked by baffle 20 is between the two grippers 11. Then, gripper cylinder 10 is activated, and the two grippers 11 move closer together to clamp the stud. Then, baffle 20 is raised under the action of cylinder 319, so that baffle 20 no longer blocks the stud. The stud can then be removed from the slotted through hole by driving gripper cylinder 10 to move laterally again.

[0047] After being driven, the stud head faces upward. At this point, the clamping cylinder 10 drives the two clamping jaws 11 to rotate, rotating the clamped stud 180 degrees so that the stud head faces downward. Then, the connecting block 34 is driven down by cylinder 8, allowing the stud head to fit against the plate. At this point, the stud and the fixing ring 23 are aligned. Then, motor 25 drives gear 26 to rotate, causing gear ring 27 to rotate. Simultaneously, cylinder 5 drives welding torch 28 to move laterally, aligning welding torch 28 with the joint between the stud and the plate. Then, welding torch 28 is turned on to perform circumferential welding. Furthermore, sufficient distance is provided between welding torch 28 and clamping cylinder 10 to prevent mutual interference.

[0048] After a stud is welded to the plate, cylinder 22 drives the retaining ring 23 to rise. Then, the position of the mounting bracket 5, i.e., the position of the retaining ring 23, is adjusted using the lead screw slide 3 and lead screw guide module 4, moving the retaining ring 23 to the next position to be welded.

[0049] Repeating the above operation, the studs to be welded can be sequentially removed from the frame structure by the gripper 11 and placed on the sheet metal. This eliminates the need for manual placement of studs one by one, significantly reducing the labor intensity of workers. Secondly, before the gripper 11 picks up the studs, the randomly piled studs can be automatically adjusted to a uniform orientation with the head facing up and the body vertically downward. The gripper 11 only needs to follow the preset path to accurately pick up the studs and precisely adjust the angle of the studs. This solves the problem of the robot arm being unable to identify and pick up the studs due to their random pile-up, realizing full automation of the stud material handling, precise picking and placing, and automatic welding, greatly improving the production efficiency and operational accuracy of automotive body assembly welding.

[0050] During the material handling process, the motor 15 drives the sprocket 14 to rotate, which in turn drives the chain 13. The chain 13 then moves multiple friction strips 12. When the friction strip 12 is located near the stud, it is in a descending state, and its edge adheres tightly to the stud surface under the action of elasticity. As the edge of the friction strip 12 slides along the stud surface, it provides a downward frictional force to the stud. This frictional force actively and continuously drags the stud located at the slotted through hole downwards, effectively counteracting the interference force generated by the impact of disordered studs above. This prevents the studs that are already in place from being knocked out of the slotted through hole, ensuring a stable and orderly material handling process and providing a reliable guarantee for the accurate gripping of the subsequent clamping claw 11.

[0051] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated welding equipment for assembling automobile bodies, comprising a welding table (1) and a welding torch (28), characterized in that: the welding table (1) is provided with an automatic stud welding placement component; The stud welding automatic placement assembly includes a mounting frame (5) that can move horizontally above the welding table (1). One end of the mounting frame (5) is fixedly connected to a back plate (17). Two frames (6) are symmetrically distributed on one side of the back plate (17). A baffle (20) is attached to one side of the two frames (6). The bottoms of the two frames (6) cooperate to form a strip-shaped through hole that matches the diameter of the stud. A vibration plate (7) is slidably inserted through one side of the frame (6). Multiple studs are placed between the two frames (6). The vibration plate (7) vibrates to make the studs move continuously, so that the main body of the stud passes through the strip-shaped through hole and the head is stuck in the strip-shaped through hole. The stud welding automatic placement assembly also includes a material handling structure; The material handling structure includes a gripper cylinder (10), which has two grippers (11) for gripping the stud. The gripper cylinder (10) can drive the two grippers (11) to move closer to each other, move further apart, and rotate. The grippers (11) extend below the strip-shaped through hole, clamp the bottom of the stud, and remove the stud from the strip-shaped through hole. Then the grippers (11) drive the stud to rotate so that its head is facing down and placed on the plate. The welding torch (28) surrounds the stud for welding.

2. The integrated welding equipment for automobile body assembly according to claim 1, characterized in that: The welding table (1) is also provided with a plate positioning structure; The plate positioning structure includes clamping block one (32) and clamping block two (33). Clamping block two (33) is fixedly connected to the welding table (1). Cylinder six (31) is fixedly connected to the welding table (1). The piston end of cylinder six (31) is fixedly connected to one side of clamping block one (32).

3. The integrated welding equipment for automobile body assembly according to claim 1, characterized in that: It is also equipped with a displacement assembly for driving the mounting bracket (5) to move laterally; The displacement assembly includes a lead screw slide (3) mounted on a welding table (1), a movable beam (2) that can move laterally is provided on the lead screw slide (3), a lead screw guide rail module (4) is provided on the movable beam (2), and the mounting bracket (5) is fixedly connected to the movable end of the lead screw guide rail module (4).

4. The integrated welding equipment for automobile body assembly according to claim 1, characterized in that: The back plate (17) is provided with a screw guide module two (16) for adjusting the distance between the two frames (6). The screw guide module two (16) is provided with two moving ends that move simultaneously towards or away from each other, and the two moving ends are fixedly connected to the two frames (6) respectively. The mounting frame (5) is provided with a cylinder three (19) for driving the baffle (20) to rise and fall.

5. The integrated welding equipment for automobile body assembly according to claim 1, characterized in that: The mounting bracket (5) is provided with cylinder one (8), and the piston end of cylinder one (8) is fixedly connected to a connecting block (34). The gripper cylinder (10) is slidably connected to the connecting block (34) in the transverse direction. Cylinder two (9) is fixedly connected to the connecting block (34), and the piston end of cylinder two (9) is fixedly connected to one end of gripper cylinder (10).

6. The integrated welding equipment for automobile body assembly according to claim 1, characterized in that: The frame (6) is also provided with a vibration generating component for causing the vibrating plate (7) to vibrate; The vibration generating assembly includes a fixed plate (35) fixedly connected to the frame (6). A plurality of dampers (30) are provided on one side of the fixed plate (35). The piston ends of the plurality of dampers (30) are fixedly connected to the vibration plate (7). A spring (29) is fixedly connected to one side of the vibration plate (7). The other end of the spring (29) is fixedly connected to the fixed plate (35). An electromagnetic vibrator is provided on the vibration plate (7).

7. The integrated welding equipment for automobile body assembly according to claim 1, characterized in that: The mounting bracket (5) is provided with a circular motion structure for displacing the welding torch (28); The circular motion structure includes a fixed ring (23), on which a gear ring (27) is rotatably connected. A welding torch (28) is slidably mounted on the gear ring (27) along the horizontal direction. Multiple guide rods (21) are slidably connected on the mounting frame (5) along the vertical direction. The bottom of the multiple guide rods (21) is fixedly connected to the fixed ring (23). A cylinder four (22) is mounted on the mounting frame (5). The piston end of the cylinder four (22) is fixedly connected to one side of the fixed ring (23). A gear (26) is rotatably connected on the fixed ring (23). The gear (26) meshes with the tooth blocks on the gear ring (27). A motor two (25) is mounted on the fixed ring (23). The output end of the motor two (25) is fixedly connected to the rotating end of the gear (26). A cylinder five (24) is mounted on the gear ring (27). The piston end of the cylinder five (24) is fixedly connected to one side of the welding torch (28).

8. The integrated welding equipment for automobile body assembly according to claim 1, characterized in that: The frame (6) has a conveyor belt (18) on one side of its bottom, and the frame (6) has a power source inside for driving the conveyor belt (18) to operate.

9. The integrated welding equipment for automobile body assembly according to claim 1, characterized in that: The frame (6) is provided with a toggle vibration cancellation structure; The toggle vibration cancellation structure includes multiple sprockets (14) rotatably located at the bottom of the frame (6), with a chain (13) meshing on the sprockets (14), and multiple elastic friction strips (12) on the chain (13). The bottom of the frame (6) is also provided with a motor (15) for driving the sprockets (14) to rotate.

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