Unpowered trailer frame welding apparatus

Abstract

The utility model provides a kind of unpowered trailer frame welding device, it is related to trailer frame production equipment field, including base and moving seat, base is connected between moving seat by connecting assembly, and base and moving seat top are separately fixedly connected with several evenly arranged clamping components, when needing to clamp frame, first, the frame to be welded is placed on welding frame, then servo motor is started, and servo motor drives screw rod one to rotate, when screw rod one rotates, it will drive movable plate and the fixed frame being provided on movable plate to move along screw rod and guide rod to the direction of frame, at this time, movable plate will drive fixed plate to clamp frame, and by fixed plate, compression spring is extruded, so as to clamp frame, this device reduces the probability that frame surface is pressed, deformed, and screw rod, platen, fixed plate are plastically deformed.

Description

Technical Field

[0001] This utility model relates to the field of trailer frame production equipment, and in particular to a welding device for non-powered trailer frames. Background Technology

[0002] A non-powered trailer frame, also known as a semi-trailer frame, is a heavy-duty vehicle structure used for transporting goods. It does not have its own power system but relies on the power of the tractor unit for propulsion. This design makes non-powered trailers lighter and more economical, while also providing a larger cargo space. The non-powered trailer frame welding device is one of the key pieces of equipment used in the manufacture of non-powered trailer frames. Welding is an important process for connecting metal structural components, especially in the manufacture of heavy vehicles such as non-powered trailer frames, where the welding quality directly affects the structural strength and safety of the frame.

[0003] As described in the welding device disclosed in patent publication number CN221210460U, during use, two sets of semi-trailer frames to be welded are first placed on the limiting components set on the base and support platform, and on the limiting components connected to the adjusting components of the moving seat. Then, the screws of the four limiting components are turned, and the two sets of frames are vertically pressed together by the pressure plate. The motor of the adjusting component is started through the electrical control box, which drives the moving block to rise and fall, adjusting the height of one set of frames so that the welding end faces of the two sets of frames are flush. The threaded rod A of the connecting component is rotated to adjust the distance between the moving seat and the base, so that the two sets of frames are initially close together. The electric hydraulic cylinder is extended to push one set of frames to fit against the other set of frames to complete the docking. The moving frame is slid to below the docking point, and the moving frame is fixed by the insertion rod. The threaded rod B is turned to make the welding plate press against the bottom of the docking point. The operator welds the docking point of the two sets of frames. During the welding process, the frames are fixed by the limiting components and supported by the welding plate to avoid displacement and deformation.

[0004] However, when the above structure is in use, the limiting component relies on the structure of L-shaped fixed plate + vertical screw to drive the pressure plate. The threaded transmission has self-locking properties. Once the operator applies too much force, the screw will continue to apply pressure to the pressure plate until it exceeds the load limit of the frame or device, which may cause the frame surface to be crushed and deformed, and cause the screw, pressure plate and fixed plate to undergo plastic deformation.

[0005] Therefore, it is necessary to provide a new welding device for non-powered trailer frames to solve the above-mentioned technical problems. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model provides a welding device for a non-powered trailer frame.

[0007] The present invention provides a non-powered trailer frame welding device including a base and a movable seat. The base and the movable seat are connected by a connecting component, and a plurality of evenly arranged clamping components are fixedly connected to the top of the base and the movable seat respectively. The clamping assembly includes a support frame, an adjustment mechanism, an L-shaped plate, a drive mechanism, and a movable plate. The support frame is fixedly connected to the top of the base. The adjustment mechanism is slidably connected to the inner wall of a groove on one side of the L-shaped plate. The L-shaped plate is fixedly connected to the end of the adjustment mechanism away from the support frame. The drive mechanism is fixedly connected to the top of the L-shaped plate. The movable plate is slidably connected to the outer surface of the drive mechanism. A fixed frame is fixedly connected to the bottom of the movable plate and the top of the L-shaped plate. Several compression springs are fixedly connected to the inner wall of the fixed frame. A fixed plate is fixedly connected to the end of each compression spring away from the fixed frame.

[0008] Preferably, the driving mechanism includes a driving component and a guide rod. The driving component is fixedly connected to the top of the L-shaped plate, and a threaded rod is fixedly connected to the output end of the driving component. Both ends of the threaded rod are rotatably connected to the inner wall of the through hole in the L-shaped plate. Both ends of the guide rod are fixedly connected to the inner wall of the through hole in the L-shaped plate.

[0009] Preferably, the adjustment mechanism includes a drive motor, a slider, and an electric telescopic rod. The drive motor is fixedly connected to the top of the support frame, and the output end of the drive motor is fixedly connected to a threaded rod. One end of the threaded rod is rotatably connected to the bottom of the support frame, and the other end of the threaded rod away from the support frame is rotatably connected to the top of the base. The slider is threadedly connected to the outer surface of the threaded rod, and one end of the slider is slidably connected to the inner wall of a groove opened on the support frame. The electric telescopic rod is fixedly connected to the end of the slider away from the support frame, and the output end of the electric telescopic rod is fixedly connected to one end of an L-shaped plate.

[0010] Preferably, the connecting assembly includes a fixed rod and a threaded rod three. The fixed rod and the threaded rod three are respectively disposed at both ends of the base and the movable seat on opposite sides. One end of the fixed rod is fixedly connected to one side of the base, and the end of the fixed rod away from the base extends into the interior of the movable seat and is slidably connected to the movable seat. One end of the threaded rod three is rotatably connected to one side of the base, and the end of the threaded rod three away from the base extends into the interior of the movable seat and is threadedly connected to the movable seat.

[0011] Preferably, a movable frame is slidably connected to the inner wall of the groove opened at the top of the base, a rotating rod is fixedly connected to the inner wall of the through hole opened at the top of the movable frame, and a welding plate is rotatably connected to the outer surface of the rotating rod.

[0012] Preferably, the driving component is a servo motor, which is fixedly connected to the top of the L-shaped plate, and the output end of the servo motor is fixedly connected to one end of the threaded rod.

[0013] Preferably, the inner walls of the through holes on one side wall of the base and one side wall of the movable frame are slidably connected to limit rods.

[0014] Preferably, a rubber pad is fixedly connected to the end of the fixing plate away from the compression spring.

[0015] Preferably, an electrical control box is fixedly connected to the top of the movable seat.

[0016] Compared with related technologies, the non-powered trailer frame welding device provided by this utility model has the following beneficial effects: With the clamping assembly in place, when the frame needs to be clamped, the frame to be welded is first placed on the welding frame, and then the servo motor is started. The servo motor drives the threaded rod to rotate. As the threaded rod rotates, it drives the movable plate and the fixed frame on the movable plate to move along the threaded rod and guide rod towards the frame. At this time, the movable plate drives the fixed plate to clamp the frame, and the fixed plate applies compressive force to the compression spring, thereby clamping the frame. This device reduces the probability of surface damage and deformation of the frame, as well as plastic deformation of the threaded rod, pressure plate, and fixed plate. Attached Figure Description

[0017] Figure 1 A schematic diagram of the structure of a non-powered trailer frame welding device provided by this utility model; Figure 2 for Figure 1 A structural schematic diagram from another perspective is shown; Figure 3 for Figure 1 The diagram shows the cross-sectional structure. Figure 4 for Figure 3 The diagram shows the structure of the clamping assembly. Figure 5 for Figure 4 A partial structural schematic diagram of the clamping assembly shown; Figure 6 for Figure 4 A partial cross-sectional view of the clamping assembly is shown.

[0018] The following are the labels in the diagram: 1. Base; 2. Movable seat; 3. Support frame; 4. L-shaped plate; 5. Movable plate; 6. Fixed frame; 7. Compression spring; 8. Fixed plate; 9. Guide rod; 10. Threaded rod one; 11. Drive motor; 12. Slider; 13. Electric telescopic rod; 14. Threaded rod two; 15. Fixed rod; 16. Threaded rod three; 17. Movable frame; 18. Rotating rod; 19. Welding plate; 20. Servo motor; 21. Limiting rod; 22. Rubber pad. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 as well as Figure 6 ,in, Figure 1 A schematic diagram of the structure of a non-powered trailer frame welding device provided by this utility model; Figure 2 for Figure 1 A structural schematic diagram from another perspective is shown; Figure 3 for Figure 1 The diagram shows the cross-sectional structure. Figure 4 for Figure 3 The diagram shows the structure of the clamping assembly. Figure 5 for Figure 4 A partial structural schematic diagram of the clamping assembly shown; Figure 6 for Figure 4 A partial cross-sectional view of the clamping assembly is shown.

[0021] In the specific implementation process, such as Figures 1 to 6 As shown, the base 1 and the movable seat 2 are connected by a connecting component, and several evenly arranged clamping components are fixedly connected to the top of the base 1 and the movable seat 2 respectively. An electrical control box is fixedly connected to the top of the movable seat 2. A movable frame 17 is slidably connected to the inner wall of the groove opened on the top of the base 1. A rotating rod 18 is fixedly connected to the inner wall of the through hole opened on the top of the movable frame 17. A welding plate 19 is rotatably connected to the outer surface of the rotating rod 18. The clamping component includes a support frame 3, an adjustment mechanism, an L-shaped plate 4, a drive mechanism, and a movable plate 5. The support frame 3 is fixedly connected to the top of the base 1. The adjustment mechanism is slidably connected to the inner wall of the groove opened on one side of the L-shaped plate 4. The L-shaped plate 4 is fixedly connected to the end of the adjustment mechanism away from the support frame 3. The drive mechanism is fixedly connected to the top of the L-shaped plate 4. The movable plate 5 is slidably connected to the outer surface of the drive mechanism. A fixed frame 6 is fixedly connected to the bottom of the movable plate 5 and the top of the L-shaped plate 4. Several compression springs 7 are fixedly connected to the inner wall of the fixed frame 6. A fixed plate 8 is fixedly connected to the end of the several compression springs 7 away from the fixed frame 6. It should be noted that the inner walls of the through holes opened on one side wall of the base 1 and one side wall of the movable frame 17 are slidably connected to limit rods 21, and the end of the fixed plate 8 away from the compression spring 7 is fixedly connected to a rubber pad 22. The driving mechanism includes a driving component and a guide rod 9. The driving component is fixedly connected to the top of the L-shaped plate 4, and the output end of the driving component is fixedly connected to a threaded rod 10. Both ends of the threaded rod 10 are rotatably connected to the inner wall of the through hole on the L-shaped plate 4. Both ends of the guide rod 9 are fixedly connected to the inner wall of the through hole on the L-shaped plate 4. It should be noted that the driving component is a servo motor 20, which is fixedly connected to the top of the L-shaped plate 4, and the output end of the servo motor 20 is fixedly connected to one end of the threaded rod 10. The adjustment mechanism includes a drive motor 11, a slider 12, and an electric telescopic rod 13. The drive motor 11 is fixedly connected to the top of the support frame 3, and the output end of the drive motor 11 is fixedly connected to a threaded rod 14. One end of the threaded rod 14 is rotatably connected to the bottom of the support frame 3, and the other end of the threaded rod 14 away from the support frame 3 is rotatably connected to the top of the base 1. The slider 12 is threadedly connected to the outer surface of the threaded rod 14, and one end of the slider 12 is slidably connected to the inner wall of the groove opened on the support frame 3. The electric telescopic rod 13 is fixedly connected to the end of the slider 12 away from the support frame 3, and the output end of the electric telescopic rod 13 is fixedly connected to one end of the L-shaped plate 4. The connecting assembly includes a fixed rod 15 and a threaded rod 16. The fixed rod 15 and the threaded rod 16 are respectively disposed at the two ends of the base 1 and the movable seat 2 on the side close to each other. One end of the fixed rod 15 is fixedly connected to one side of the base 1, and the end of the fixed rod 15 away from the base 1 extends into the interior of the movable seat 2 and is slidably connected to the movable seat 2. One end of the threaded rod 16 is rotatably connected to one side of the base 1, and the end of the threaded rod 16 away from the base 1 extends into the interior of the movable seat 2 and is threadedly connected to the movable seat 2.

[0022] The working principle of this utility model is as follows: When it is necessary to clamp the frame, the frame to be welded is first placed on the welding frame, and then the servo motor 20 is started. The servo motor 20 will drive the threaded rod 10 to rotate. When the threaded rod 10 rotates, it will drive the movable plate 5 and the fixed frame 6 set on the movable plate 5 to move along the threaded rod and the guide rod 9 towards the frame. At this time, the movable plate 5 will drive the fixed plate 8 to clamp the frame, and the fixed plate 8 will apply a squeezing force to the compression spring 7 to clamp the frame. Then the frame is manually welded. The welding device of this application refers to a device for auxiliary welding.

[0023] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0024] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A welding device for a non-powered trailer frame, characterized in that, It includes a base (1) and a movable seat (2), the base (1) and the movable seat (2) are connected by a connecting component, and the top of the base (1) and the movable seat (2) are respectively fixedly connected with a number of uniformly arranged clamping components; The clamping assembly includes a support frame (3), an adjustment mechanism, an L-shaped plate (4), a drive mechanism, and a movable plate (5). The support frame (3) is fixedly connected to the top of the base (1). The adjustment mechanism is slidably connected to the inner wall of a groove on one side of the L-shaped plate (4). The L-shaped plate (4) is fixedly connected to the end of the adjustment mechanism away from the support frame (3). The drive mechanism is fixedly connected to the top of the L-shaped plate (4). The movable plate (5) is slidably connected to the outer surface of the drive mechanism. A fixed frame (6) is fixedly connected to the bottom of the movable plate (5) and the top of the L-shaped plate (4). Several compression springs (7) are fixedly connected to the inner wall of the fixed frame (6). A fixed plate (8) is fixedly connected to the end of each compression spring (7) away from the fixed frame (6).

2. The non-powered trailer frame welding device according to claim 1, characterized in that, The driving mechanism includes a driving component and a guide rod (9). The driving component is fixedly connected to the top of the L-shaped plate (4), and the output end of the driving component is fixedly connected to a threaded rod (10). Both ends of the threaded rod (10) are rotatably connected to the inner wall of the through hole on the L-shaped plate (4), and both ends of the guide rod (9) are fixedly connected to the inner wall of the through hole on the L-shaped plate (4).

3. The non-powered trailer frame welding device according to claim 2, characterized in that, The adjustment mechanism includes a drive motor (11), a slider (12), and an electric telescopic rod (13). The drive motor (11) is fixedly connected to the top of the support frame (3), and the output end of the drive motor (11) is fixedly connected to a threaded rod (14). One end of the threaded rod (14) is rotatably connected to the bottom of the support frame (3), and the other end of the threaded rod (14) away from the support frame (3) is rotatably connected to the top of the base (1). The slider (12) is threadedly connected to the outer surface of the threaded rod (14), and one end of the slider (12) is slidably connected to the inner wall of the groove opened on the support frame (3). The electric telescopic rod (13) is fixedly connected to the end of the slider (12) away from the support frame (3), and the output end of the electric telescopic rod (13) is fixedly connected to one end of the L-shaped plate (4).

4. The non-powered trailer frame welding device according to claim 3, characterized in that, The connecting assembly includes a fixed rod (15) and a threaded rod (16). The fixed rod (15) and the threaded rod (16) are respectively disposed at the two ends of the base (1) and the movable seat (2) on the side close to each other. One end of the fixed rod (15) is fixedly connected to one side of the base (1), and the end of the fixed rod (15) away from the base (1) extends into the interior of the movable seat (2) and is slidably connected to the movable seat (2). One end of the threaded rod (16) is rotatably connected to one side of the base (1), and the end of the threaded rod (16) away from the base (1) extends into the interior of the movable seat (2) and is threadedly connected to the movable seat (2).

5. The non-powered trailer frame welding device according to claim 4, characterized in that, The inner wall of the groove opened at the top of the base (1) is slidably connected to a movable frame (17), and the inner wall of the through hole opened at the top of the movable frame (17) is fixedly connected to a rotating rod (18), and the outer surface of the rotating rod (18) is rotatably connected to a welding plate (19).

6. The non-powered trailer frame welding device according to claim 5, characterized in that, The driving component is a servo motor (20), which is fixedly connected to the top of the L-shaped plate (4), and the output end of the servo motor (20) is fixedly connected to one end of the threaded rod (10).

7. The non-powered trailer frame welding device according to claim 6, characterized in that, Limiting rods (21) are slidably connected to the inner walls of the through holes opened on one side wall of the base (1) and one side wall of the movable frame (17).

8. The non-powered trailer frame welding device according to claim 7, characterized in that, A rubber pad (22) is fixedly connected to the end of the fixing plate (8) away from the compression spring (7).

9. The non-powered trailer frame welding device according to claim 8, characterized in that, An electrical control box is fixedly connected to the top of the movable seat (2).

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