Engine exhaust manifold welding mechanism

Abstract

The utility model relates to the technical field of exhaust manifold welding, and discloses an engine exhaust manifold welding mechanism which comprises a workbench and an exhaust manifold body, the upper surface of the workbench is fixedly connected with a fixing frame, one side of the fixing frame is fixedly connected with a fixing shaft, the circumferential outer wall of the fixing shaft is rotationally connected with a circular ring, and the circular ring is fixedly connected with the workbench. A rotating assembly is arranged between the circular ring and the fixing frame, a V-shaped plate is fixedly connected to one side of the circular ring, a frame is fixedly connected to one side of the V-shaped plate, a guide rod is fixedly connected between the inner walls of the two sides of the frame, two L-shaped frames are slidably connected to the guide rod, and a two-way threaded rod is in threaded connection between the L-shaped frames. And the two ends of the two-way threaded rod penetrate through the L-shaped frame. The exhaust manifold body can be prevented from being damaged by a clamping mode, the exhaust manifold body can be rotated, and different positions of the exhaust manifold body can be welded conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of exhaust manifold welding, and more specifically to a welding mechanism for an engine exhaust manifold. Background Art

[0002] The exhaust manifold is connected to the engine cylinder block, and collects the exhaust from each cylinder and guides it into the exhaust main pipe with divergent pipes.

[0003] After searching, a Chinese patent with publication number CN218193375U discloses an assembly and leveling device for exhaust manifold welding. The above device is convenient for clamping and welding exhaust manifolds of different specifications, and is convenient for adjusting the position of the exhaust manifold. However, the device fixes the exhaust manifold by clamping at both ends, which is easy to be displaced by external force during the welding process, resulting in welding errors. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides an engine exhaust manifold welding mechanism to solve the problems existing in the above background technology.

[0005] The utility model provides the following technical solutions: an engine exhaust manifold welding mechanism, comprising a workbench and an exhaust manifold body, the upper surface of the workbench is fixedly connected with a fixing frame, one side of the fixing frame is fixedly connected with a fixing shaft, the circumferential outer wall of the fixing shaft is rotatably connected with a ring, and a rotating component is provided between the ring and the fixing frame, one side of the ring is fixedly connected with a V-shaped plate, one side of the V-shaped plate is fixedly connected with a frame, a guide rod is fixedly connected between the inner walls of both sides of the frame, two L-shaped frames are slidably connected to the guide rod, two-way threaded rods are threadedly connected between the L-shaped frames, and both ends of the two-way threaded rods pass through the L-shaped frames, one end of the two L-shaped frames is fixedly connected with a fixing threaded rod, and the two fixing threaded rods pass through the fixing holes on the exhaust manifold body, and screws are threadedly connected to the fixing threaded rods, and the screws are in contact with the exhaust manifold body.

[0006] As a further solution of the utility model, the rotating component is an outer gear ring, which is fixedly connected to the circumferential outer wall of the circular ring, and a motor is fixedly connected to one side of the fixed frame. One end of the motor output shaft passes through one side of the fixed frame and is keyed to a gear, and the gear is meshed with the outer gear ring.

[0007] As a further solution of the utility model, a movable frame is provided on the upper surface of the workbench, an adjustment component is provided between the movable frame and the workbench, one side of the movable frame is rotatably connected to a clamping plate, one side of the clamping plate is fixedly connected to a plurality of limit rings.

[0008] As a further solution of the utility model, the adjustment component is two slide grooves, the slide grooves are opened on the upper surface of the workbench, and the movable frame slides in the two slide grooves, a plurality of sockets are opened on the upper surface of the workbench, a connecting plate is fixedly connected between the inner walls on both sides of the movable frame, a pin is slidably connected to the connecting plate, and one end of the pin passes through the connecting plate and is inserted into one of the sockets.

[0009] As a further solution of the utility model, a sliding rod is fixedly connected between the inner walls on both sides of the two sliding grooves, and the two sliding rods pass through the movable frame.

[0010] As a further solution of the utility model, a rubber pad is fixedly connected to one side of the clamping plate, and one side of the rubber pad is slightly in contact with the exhaust manifold body.

[0011] As a further solution of the utility model, support legs are fixedly connected to the four corners of the lower surface of the workbench, and a plurality of fixing holes are opened on the plurality of support legs.

[0012] As a further solution of the utility model, both ends of the bidirectional threaded rod are fixedly connected with knobs, and the circumferential outer wall of the knob is fixedly connected with a plurality of round rods.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model fixes the exhaust manifold body on the device, thereby avoiding damage to the exhaust manifold body by clamping. Exhaust manifold bodies of different sizes can be fixed by the cooperation of the two-way threaded rod and the L-shaped frame.

[0015] 2. The utility model is provided with a rotating assembly, which can rotate the exhaust manifold body, making it convenient to weld different positions of the exhaust manifold body, saving manpower and time, and does not require manual adjustment, thereby greatly improving work efficiency.

[0016] 3. The utility model is provided with an adjustment component to fix exhaust manifold bodies of different lengths, thereby improving the use range of the device and having a simple structure and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the partial split structure of the utility model.

[0019] Figure 3 It is a partially enlarged structural schematic diagram of the utility model.

[0020] Figure 4It is a partially enlarged structural schematic diagram of the utility model.

[0021] Figure 5 This is a schematic diagram of the enlarged structure of the A part of the utility model

[0022] The accompanying drawings are marked as follows: 1. workbench; 2. fixed frame; 3. V-shaped plate; 4. frame; 5. exhaust manifold body; 6. movable frame; 7. fixed shaft; 8. gear; 9. circular ring; 10. external gear ring; 11. guide rod; 12. two-way threaded rod; 13. knob; 14. L-shaped frame; 15. fixed threaded rod; 16. limiting ring; 17. splint; 18. rubber pad; 19. connecting plate; 20. socket; 21. latch; 22. slide groove; 23. slide rod. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0024] Reference Figure 1-Figure 5 The utility model provides an engine exhaust manifold welding mechanism, including a workbench 1 and an exhaust manifold body 5. The upper surface of the workbench 1 is fixedly connected with a fixing frame 2 by bolts. A fixing shaft 7 is welded to one side of the fixing frame 2. A circular ring 9 is rotatably connected to the circumferential outer wall of the fixing shaft 7, and a rotating assembly is provided between the circular ring 9 and the fixing frame 2. A V-shaped plate 3 is fixedly connected to one side of the circular ring 9 by bolts. A frame 4 is fixedly connected to one side of the V-shaped plate 3 by bolts. A guide rod 11 is welded between the inner walls of both sides of the frame 4. Two L-shaped frames 14 are slidably connected to the guide rod 11. The L-shaped frames 14 are threadedly connected to each other. A bidirectional threaded rod 12 is connected, and both ends of the bidirectional threaded rod 12 pass through the L-shaped frame 14. One end of the two L-shaped frames 14 is welded with a fixed threaded rod 15, and the two fixed threaded rods 15 pass through the fixing holes on the exhaust manifold body 5. The fixed threaded rod 15 is threadedly connected with a screw, and the screw is in contact with the exhaust manifold body 5. By rotating the bidirectional threaded rod 12, the distance between the L-shaped frames 14 can be adjusted, so that the exhaust manifold bodies 5 of different sizes can be fixed. By fixing the exhaust manifold body 5 on the device, damage to the exhaust manifold body 5 by clamping is avoided.

[0025] In the utility model, the rotating assembly is an outer gear ring 10, which is fixedly connected to the circumferential outer wall of the ring 9 by bolts, and a motor is fixedly connected to one side of the fixed frame 2 by bolts, and one end of the motor output shaft passes through one side of the fixed frame 2 and is key-connected with a gear 8, and the gear 8 is meshed with the outer gear ring 10. The exhaust manifold body 5 can be rotated by the rotating assembly provided, so that different positions of the exhaust manifold body 5 can be welded, and there is no need to manually flip and fix it, which saves manpower and time, and improves the efficiency of welding. A mobile frame 6 is provided on the upper surface of the workbench 1, and the mobile frame 6 and An adjustment component is provided between the workbenches 1, one side of the mobile frame 6 is rotatably connected with a clamping plate 17, and one side of the clamping plate 17 is welded with a plurality of limit rings 16. The other end of the exhaust manifold body 5 can be fixed by the clamping plate 17, so as to ensure that the exhaust manifold body 5 always rotates at the same center of the circle at both ends during the rotation process, and to prevent the exhaust manifold body 5 from being skewed during the rotation process and causing damage to the exhaust manifold body 5. The adjustment component is two slide grooves 22, and the slide grooves 22 are provided on the upper surface of the workbench 1, and the mobile frame 6 slides in the two slide grooves 22. The upper surface of the workbench 1 is provided with a plurality of sockets 20, and both sides of the mobile frame 6 A connecting plate 19 is fixedly connected between the inner walls by bolts, and a latch 21 is slidably connected to the connecting plate 19, and one end of the latch 21 passes through the connecting plate 19 and is inserted into one of the plug holes 20. The exhaust manifold bodies 5 of different lengths can be fixed by the provided adjustment component, which improves the use range of the device, has a simple structure and is easy to operate. To ensure the sliding stability of the mobile frame 6, sliding rods 23 are welded between the inner walls on both sides of the two slide grooves 22, and the two sliding rods 23 pass through the mobile frame 6, and guide the mobile frame 6 during its movement to prevent it from deflecting, so as to adjust the exhaust manifold body 5. The other end is protected, a rubber pad 18 is bonded to one side of the clamp 17, and one side of the rubber pad 18 is in slight contact with the exhaust manifold body 5, which can prevent the clamp 17 from being clamped too tightly and causing damage to the exhaust manifold body 5. To increase the stability of the workbench 1, the four corners of the lower surface of the workbench 1 are fixedly connected with support legs by bolts, and multiple support legs are provided with multiple fixing holes, so as to better complete the welding work. To facilitate the staff to rotate the two-way threaded rod 12, knobs 13 are welded at both ends of the two-way threaded rod 12, and the circumferential outer wall of the knob 13 is fixedly connected with multiple round rods by bolts.

[0026] The utility model is divided into the following steps when used:

[0027] S1: First, turn the knob 13 to drive the bidirectional threaded rod 12 to rotate. During the rotation of the bidirectional threaded rod 12, the two L-shaped frames 14 are driven to move toward each other, thereby reducing the distance between the two fixed threaded rods 15. When the distance is adjusted to fit the two fixing holes on the exhaust manifold body 5, the exhaust manifold body 5 is installed on the two L-shaped frames 14 to complete the fixing of the exhaust manifold body 5.

[0028] S2: After the exhaust manifold body 5 is fixed, the movable frame 6 is pushed so that one end of the exhaust manifold body 5 is inserted into the stop ring 16 and slightly contacts the rubber pad 18 on the clamping plate 17, and then the pin 21 is inserted into the corresponding socket 20 to complete the fixing of the other end of the exhaust manifold body 5;

[0029] S3: After the exhaust manifold body 5 is installed, the exhaust manifold body 5 can be welded. If the exhaust manifold body 5 needs to be turned over during the welding process, the motor can be started. The motor drives the gear 8 to rotate and then drives the outer gear ring 10 to rotate, so that the ring 9 rotates. The rotation of the ring 9 can drive the V-shaped plate 3 to rotate and then the frame 4 to rotate. With the rotation of the frame 4, the two L-shaped frames 14 can be driven to rotate and finally the exhaust manifold body 5 can be rotated, so that the exhaust manifold body 5 can be welded at different angles.

[0030] Finally, a few points should be explained: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0031] In the drawings of the embodiments disclosed by the present invention, only the structures related to the embodiments disclosed by the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. An engine exhaust manifold welding mechanism, comprising a workbench (1) and an exhaust manifold body (5), characterized in that: The upper surface of the workbench (1) is fixedly connected to a fixing frame (2), one side of the fixing frame (2) is fixedly connected to a fixing shaft (7), the circumferential outer wall of the fixing shaft (7) is rotatably connected to a ring (9), and a rotating assembly is provided between the ring (9) and the fixing frame (2), one side of the ring (9) is fixedly connected to a V-shaped plate (3), one side of the V-shaped plate (3) is fixedly connected to a frame (4), and guide rods (11) are fixedly connected between the inner walls of both sides of the frame (4), and the guide rods (11) are fixedly connected to the inner walls of the two sides of the frame (4). Two L-shaped frames (14) are slidably connected to the rod (11), a bidirectional threaded rod (12) is threadedly connected between the L-shaped frames (14), and both ends of the bidirectional threaded rod (12) pass through the L-shaped frames (14), one end of the two L-shaped frames (14) is fixedly connected to a fixed threaded rod (15), and the two fixed threaded rods (15) pass through the fixing holes on the exhaust manifold body (5), and the fixed threaded rods (15) are threadedly connected with screws, and the screws are in contact with the exhaust manifold body (5).

2. The engine exhaust manifold welding mechanism according to claim 1, characterized in that: The rotating assembly is an outer gear ring (10), and the outer gear ring (10) is fixedly connected to the circumferential outer wall of the circular ring (9). A motor is fixedly connected to one side of the fixed frame (2), and one end of the motor output shaft passes through one side of the fixed frame (2) and is key-connected to a gear (8), and the gear (8) is meshed with the outer gear ring (10).

3. The engine exhaust manifold welding mechanism according to claim 1, characterized in that: A movable frame (6) is provided on the upper surface of the workbench (1), an adjustment component is provided between the movable frame (6) and the workbench (1), one side of the movable frame (6) is rotatably connected to a clamping plate (17), and one side of the clamping plate (17) is fixedly connected to a plurality of limiting rings (16).

4. The engine exhaust manifold welding mechanism according to claim 3, characterized in that: The adjustment components are two slide grooves (22), the slide grooves (22) are provided on the upper surface of the workbench (1), and the movable frame (6) slides in the two slide grooves (22), the upper surface of the workbench (1) is provided with a plurality of insertion holes (20), a connecting plate (19) is fixedly connected between the inner walls on both sides of the movable frame (6), a latch (21) is slidably connected to the connecting plate (19), and one end of the latch (21) passes through the connecting plate (19) and is inserted into one of the insertion holes (20).

5. The engine exhaust manifold welding mechanism according to claim 4, characterized in that: A sliding rod (23) is fixedly connected between the inner walls on both sides of the two sliding grooves (22), and the two sliding rods (23) pass through the movable frame (6).

6. The engine exhaust manifold welding mechanism according to claim 3, characterized in that: A rubber pad (18) is fixedly connected to one side of the clamping plate (17), and one side of the rubber pad (18) is in slight contact with the exhaust manifold body (5).

7. The engine exhaust manifold welding mechanism according to claim 4, characterized in that: Support legs are fixedly connected at the four corners of the lower surface of the workbench (1), and a plurality of fixing holes are provided on the plurality of support legs.

8. The engine exhaust manifold welding mechanism according to claim 1, characterized in that: Both ends of the bidirectional threaded rod (12) are fixedly connected to knobs (13), and the circumferential outer wall of the knob (13) is fixedly connected to a plurality of round rods.

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