A submerged arc welding positioning device for a diversion pipe and its process

Abstract

The present invention relates to a submerged arc welding positioning device and method for a diversion pipe, including a workbench, and a first docking mechanism and a second docking mechanism are arranged in a receiving groove inside the workbench; a first clamping mechanism and a second clamping mechanism are arranged on the upper end surface of the workbench, and a positioning mechanism is arranged on one side of the upper end surface of the workbench. Through the fixation of a plurality of pressing blocks, it is effectively ensured that the first pipe and the second pipe are on the same central axis, and the precise docking of the end faces of the first pipe and the second pipe is also ensured. Pipes with different diameters can also be fixed. Furthermore, the practicability is improved and the functionality is increased.

Description

Technical Field

[0001] The present invention relates to the technical field of submerged arc welding, and particularly relates to a submerged arc welding positioning device and method for a diversion pipe. Background Art

[0002] Submerged arc welding is a welding method in which an electric arc burns under a flux layer. Its advantages include stable welding quality, high welding productivity, and good working conditions. It is commonly used in the fabrication of important steel structures such as pressure vessels, pipe sections, and box-shaped beam columns. It is also widely used in the fabrication of large engineering structures such as shipbuilding, bridges, and cranes.

[0003] When welding two ends of a pipe, it takes a lot of time and effort for workers to align the pipes with each other and make the end faces coincide. Moreover, during the welding of two sections of pipes, it is necessary to repeatedly adjust the welding position, which easily causes unevenness in the two sections of pipes at the welding joint, increasing the labor intensity of workers and reducing the aesthetics and quality of welding. In existing equipment, the positioning of welded parts is poor, thus reducing practicality and work progress.

[0004] To solve the above problems, a submerged arc welding positioning device and method for a diversion pipe are proposed in the present invention. Summary of the Invention

[0005] (1) Technical Problems to be Solved

[0006] The purpose of the present invention is to overcome the deficiencies of the prior art, meet the actual needs, and provide a submerged arc welding positioning device and method for a diversion pipe to solve the above technical problems.

[0007] (2) Technical Solutions

[0008] To achieve the purpose of the present invention, the technical solutions adopted by the present invention are as follows:

[0009] A submerged arc welding positioning device for a diversion pipe includes a workbench. A first docking mechanism and a second docking mechanism are arranged in a receiving groove inside the workbench; a first clamping mechanism and a second clamping mechanism are arranged on the upper end surface of the workbench, and a positioning mechanism is arranged on one side of the upper end surface of the workbench.

[0010] The cam is connected to the rotation of the first and second rotating shafts, and the cam is connected to the rotation of the first and second rotating shafts through the upper end of the cam, and the cam is connected to the rotation of the second and second rotating shafts through the upper end of the cam.

[0011] Furthermore, the second clamping assembly includes a push plate transmission-connected to the outside of the push rod, the push plate is connected to a pressure rod via a second connecting rod, one end of the pressure rod is slidably connected to a pressure hole clamped on the upper part of the supporting plate, one end of the pressure rod is fixedly connected to a pressure plate, the lower end surface of the pressure plate is located on the upper end surface of the workbench, and the first docking mechanism and the second docking mechanism have the same structure.

[0012] Furthermore, the first clamping mechanism includes a first movable plate fixedly connected to the upper end face of the pressure plate, the upper end face of the first movable plate is connected to a rotating track plate, the rotating groove on the rotating track plate is rotatably matched with the first annular plate fixed to one end face of the rotating ring plate, a clamping ring groove is provided inside the rotating ring plate, the clamping ring groove is rotatably matched with the second annular plate fixed on both sides of the clamping ring plate, a clamping is provided in the middle of the upper outer side of the rotating ring plate, and first teeth are evenly distributed at equal angles in a ring shape on the upper outer side of the rotating ring plate, the first teeth are meshed with a first gear, the first gear is connected to a second motor via a second rotating shaft, and the second motor is connected to the upper part of one end face of the rotating ring plate via a support plate.

[0013] Furthermore, the inner part of the clamping ring plate is connected with a pressing block at an equal angle in an annular shape, and the inner two ends of the rotating ring plate are connected with a limiting rail plate, the limiting rail plate is fixed at equal angles in an annular shape inside the rotating ring plate, and the limiting groove on the limiting rail plate is slidably matched with a T-shaped plate, and the lower end surface of the upper part of the T-shaped plate is connected to a first spring body on both sides, and the lower end of the first spring body is fixed to the bottom of the limiting groove, and the lower end surface of the T-shaped plate is connected with a pressing block, and the outer surfaces of multiple pressing blocks are pressed against the first pipe, and one end surface of the rotating ring plate is fixedly connected to a transmission ring plate, and one end surface of the transmission ring plate is evenly connected with second teeth at equal angles in an annular shape, and the second teeth are meshed with a second gear, and the second gear is connected to a third motor through a third rotating shaft, and the third motor is connected to an upper part of one side surface of the first movable plate through a support frame.

[0014] Further, a limiting rod is fixedly connected to one side surface of the moving plate. One end of the limiting rod penetrates through a limiting hole in the second moving plate. The structures of the first clamping mechanism and the second clamping mechanism are the same.

[0015] Further, the positioning mechanism includes a fixed frame fixedly connected to one side of the upper end surface of the workbench. A fixed long plate on the fixed frame is slidably fitted in a moving opening formed in the lower part of the moving shell. A track plate is fixedly connected to the lower part of one side surface of the moving shell. A hydraulic cylinder is connected to the upper part of one side of the moving shell. The output end of the hydraulic cylinder is connected to a telescopic rod. One end of the telescopic rod is fixedly connected to a telescopic plate. A guiding plate is connected to the lower end surface of one side of the telescopic plate. The guiding plate is slidably fitted in a guiding groove on the track plate. A welding part is arranged on the inclined surface of the lower part of one side of the telescopic plate. A positioning rod is slidably fitted in a through hole on one side of the telescopic plate. A second spring body is pressed by a top plate on the positioning rod. The lower end of the second spring body is fixed to the upper end surface of one side of the telescopic plate. The lower end of the positioning rod is fixedly connected to a positioning plate. A through opening is formed in one side surface of the telescopic plate.

[0016] Further, first guiding surfaces and second guiding surfaces are formed on both sides of the lower part of the positioning plate. A fillet is formed at the middle of the lower end of the positioning plate. The first guiding surfaces and the second guiding surfaces abut against the end surfaces of the opposite sides of the first pipe and the second pipe.

[0017] A method for using a submerged arc welding positioning device for a diversion pipe, the specific method steps are as follows:

[0018] S1. Placement: Place the first pipe and the second pipe. The first pipe is placed inside the rotating ring plate, the rotating track plate, the pressing ring plate, and the transmission ring plate. The second pipe (placed on the second clamping mechanism) works in the same way as the first pipe 7.

[0019] S2. Fixing: Start the second motor, so that the pressing ring plate rotates inside the pressing ring groove under force through the second annular plate. At the same time, multiple pressing blocks are forced to press against multiple T-shaped plates and pressing blocks, so that multiple pressing blocks gradually press downward against the outer side of the first pipe until all the pressing blocks completely press against the outer side of the first pipe, then stop the second motor. Thus, the first pipe is fixed, and the relative second pipe is fixed through the second clamping mechanism working in turn.

[0020] S3. Adjustment: Adjust the positions of the positioning plate and the welding part according to the size of the pipe. The hydraulic cylinder can be started to drive the telescopic plate to drive the welding part and the positioning plate to move towards the first pipe and the first pipe until the welding part can weld at the welding joint of the first pipe and the second pipe.

[0021] S4. Coincidence: Start the motor to drive the rotating circular plate to rotate counterclockwise, causing the rotating plate to be forced to rotate counterclockwise outside the fixed rod. The push rod is force-transmitted to drive the pressing plate to move to one side. At the same time, the pressing plate drives the first clamping mechanism and the first pipe to gradually move towards the second pipe. The relative second pipe is driven by the second docking mechanism to gradually move towards the first pipe. Thus, the port coincidence work is achieved.

[0022] S5. Positioning: When the first pipe first presses against the first guiding surface, the first guiding surface is forced to drive the moving shell, the positioning plate, and the welding part to move to one side. Until the port of the second pipe presses against the second guiding surface, the moving shell stops moving. At this time, by the two-way pressing of the first pipe and the second pipe, the positioning plate moves upward until the docking of the relative ports of the first pipe and the second pipe is completed. At this time, the welding part is located at the docking position of the relative ports of the first pipe and the second pipe.

[0023] S6. Welding: Start the welding part to weld the docked first pipe and second pipe.

[0024] S7. Rotation: Start the third motor to make the transmission ring plate drive the first annular plate to rotate counterclockwise on the rotating track plate, enabling the first pipe to rotate counterclockwise. The relative second pipe simultaneously rotates counterclockwise through the second clamping mechanism. Thus, the first pipe and the second pipe rotate synchronously counterclockwise. Then, by using the welding of the already started welding part, the automatic welding work is realized.

[0025] Beneficial effects:

[0026] In the present invention, through the fixation of multiple pressing blocks, it effectively ensures that the first pipe and the second pipe are fixed inside the rotating ring plate, and also ensures that the first pipe and the second pipe are on the same central axis. During the end face coincidence, it ensures the precise docking of the end faces of the first pipe and the second pipe, improves the docking accuracy, and can also fix pipes with different diameters. Thus, the practicability is improved and the functionality is increased.

[0027] In the present invention, through the transmission of the pressing plate, without manual operation, the ports of the first pipe and the second pipe can be automatically docked, effectively reducing the manual workload and accelerating the work progress.

[0028] In the present invention, in the upper sliding over the fillet of the relative ports of the first pipe and the second pipe, the positioning plate can smoothly press outwards, avoiding getting stuck in the upper part of the relative ports of the first pipe and the second pipe. Moreover, it effectively prevents the problem of scratches on the upper part of the relative ports of the first pipe and the second pipe, enhancing the protection.

[0029] In the present invention, through the guidance and transmission of the positioning plate, the automatic positioning of the butt joint of the relative ports of the first pipe and the second pipe can be achieved. This step does not require manual participation, which increases functionality and can also position pipes with different diameters. Furthermore, the accuracy of positioning is improved, and the practicality is enhanced.

[0030] In the present invention, through the transmission of the transmission ring plate, the work of automatic welding can be achieved. There is no need for manual participation in the welding work, and the workload is effectively reduced. Also, the phenomenon of shaking of the welded parts during welding is prevented, and the welding quality, uniformity, and aesthetics are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is a schematic structural diagram of an embodiment of the present invention;

[0032] Figure 2 is a schematic structural diagram of the rotating circular plate of the present invention;

[0033] Figure 3 is a schematic structural diagram of the sliding block of the present invention;

[0034] Figure 4 is a schematic structural diagram of the rotating plate of the present invention;

[0035] Figure 5 is a partially enlarged view of the pressing ring plate of the present invention;

[0036] Figure 6 is a schematic structural diagram of the T-shaped plate of the present invention;

[0037] Figure 7 is a schematic structural diagram of the transmission ring plate of the present invention;

[0038] Figure 8 is a schematic structural diagram of the telescopic plate of the present invention;

[0039] Figure 9 is a partially enlarged view of the positioning plate of the present invention.

[0040] The reference numerals are as follows:

[0041] 1 - Workbench, 11 - Transmission port, 12 - Rotation port, 2 - First docking mechanism, 21 - First motor, 22 - Rotating circular plate, 23 - Transmission plate, 24 - Sliding block, 241 - Sliding plate, 25 - Extension plate, 251 - Transmission groove, 26 - Guide rod, 27 - Rotating plate, 271 - Long slot, 28 - First pressing assembly, 29 - Second pressing assembly, 291 - Pushing plate, 292 - Pressing rod, 293 - Bearing plate, 294 - Pressing plate, 3 - Second docking mechanism, 4 - First clamping mechanism, 41 - First moving plate, 411 - Rotating track plate, 42 - Rotating ring plate, 421 - First annular plate, 422 - Pressing ring groove, 423 - Pressing port, 43 - Pressing ring plate, 431 - Second annular plate, 432 - Pressing block, 44 - First tooth, 441 - First gear, 442 - Second motor, 45 - Limiting rail plate, 46 - T-shaped plate, 461 - Pressing block, 47 - First spring body, 48 - Transmission ring plate, 481 - Second tooth, 482 - Second gear, 483 - Third motor, 484 - Support frame, 49 - Limiting rod, 5 - Second clamping mechanism, 51 - Limiting hole, 6 - Positioning mechanism, 61 - Positioning mechanism, 62 - Moving shell, 621 - Moving port, 63 - Track plate, 64 - Hydraulic cylinder, 65 - Telescopic rod, 66 - Telescopic plate, 661 - Through port, 67 - Guide plate, 68 - Welding part, 69 - Positioning rod, 691 - Second spring body, 692 - Positioning plate, 6921 - First guiding surface, 6922 - Second guiding surface, 6923 - Fillet, 7 - First pipeline, 71 - Second pipeline. Detailed implementation mode

[0042] The following is further described in conjunction with the attached Figures 1-9 drawings and embodiments of the present invention:

[0043] A submerged arc welding positioning device for a diversion pipe, comprising a workbench 1, wherein a first docking mechanism 2 and a second docking mechanism 3 are arranged in an accommodation groove inside the workbench 1; a first clamping mechanism 4 and a second clamping mechanism 5 are arranged on the upper end surface of the workbench 1, and a positioning mechanism 6 is arranged on one side of the upper end surface of the workbench 1.

[0044] In this embodiment, the first docking mechanism 2 includes a first motor 21 fixedly connected to the middle of the bottom of the accommodating groove, the first motor 21 is fixedly connected to a rotating circular plate 22 through the upper end of the first rotating shaft, and both sides of the upper end surface of the rotating circular plate 22 are provided with a transmission plate 23 and a transmission plate on the second docking mechanism 3 through two transmission rods, and the transmission plate 23 is connected to a sliding block 24 through a first connecting rod, and the lower end surface of the sliding block 24 is fixedly connected to a sliding plate 241, and the sliding plate 241 is slidably matched with the upper end surface of the extension plate 25. and a transmission groove 251 on the inner bottom surface of the transmission port 11, one side of the extension plate 25 is fixed at the edge of the lower part of the port on one side of the transmission port 12, and one side of the sliding block 24 is slidably fitted in the long slots 271 opened on both sides of the lower part of the rotating plate 27 through the two ends of the guide rod 26, and the upper part of the rotating plate 27 is connected to the rotating port 12 opened in the middle of the two sides of the workbench 1 through a fixing rod, and the upper part of the rotating plate 27 is fixedly connected with a push rod 272, and the first clamping assembly 28 and the second clamping assembly 29 are provided at both ends of the push rod 272. The starting motor 21 drives the rotating circular plate 22 to rotate counterclockwise. The rotating circular plate 22 drives the two transmission plates 23 at the same time by driving the two transmission rods. The transmission plate 23 is forced to drive the sliding block 24 to move outward. At the same time, the sliding block 24 slides outward inside the transmission groove 251 through the sliding plate 241. The guide rod 344 is forced to resist the inside of the long slot 271, so that the rotating plate 27 is forced to rotate counterclockwise on the outside of the fixed rod, which can realize the simultaneous transmission of power on both sides, so that the first pipeline 7 and the second pipeline 71 can overlap.

[0045] In this embodiment, the second clamping assembly 29 includes a push plate 291 that is transmission-connected to the outside of the push rod 272. The push plate 291 is connected to a pressure rod 292 via a second connecting rod. One end of the pressure rod 292 is slidably connected to a pressure hole disposed on the upper part of the supporting plate 293. One end of the pressure rod 292 is fixedly connected to a pressure plate 294. The lower end surface of the pressure plate 294 is located on the upper end surface of the workbench 1. The first docking mechanism 2 and the second docking mechanism 3 have the same structure. The push rod 272 is subjected to force transmission to the push plate 291 and the pressure rod 292, the pressure plate 294 moves to one side, and the pressure rod 292 is subjected to force to slide to one side in the pressure hole on the bearing plate 293. At the same time, the pressure plate 294 drives the first clamping mechanism 4 and the first pipeline 7 to gradually move toward the second pipeline 71, and the second pipeline 71 opposite to it is driven by the second docking mechanism 3 to gradually move toward the first pipeline 7, wherein the limit rod 49 slides to one side in the limit hole 52, effectively ensuring the stability of the movement of the first pipeline 7 and the second pipeline 71. It is beneficial to automatically dock the ports of the first pipeline 7 and the second pipeline 71 without manual operation, effectively reducing the workload of manual labor and speeding up the work progress.

[0046] In this embodiment, the first clamping mechanism 4 includes a first moving plate 41 fixedly connected to the upper end surface of the pressing plate 294. The upper end surface of the first moving plate 41 is connected with a rotating track plate 411. The rotating groove on the rotating track plate 411 is rotationally matched with a first annular plate 421 fixedly connected to one end surface of a rotating ring plate 42. A pressing ring groove 422 is formed inside the rotating ring plate 42. The pressing ring groove 422 is rotationally matched with second annular plates 431 fixed on both sides of a pressing ring plate 43. A pressing opening 423 is formed in the middle of the upper part of the outer side of the rotating ring plate 42. First teeth 44 are annularly and equally distributed at equal angles on the upper part of the outer side of the rotating ring plate 42. The first teeth 44 are meshed and matched with a first gear 441. The first gear 441 is connected to a second motor 442 through a second rotating shaft. The second motor 442 is connected to the upper part of one end surface of the rotating ring plate 42 through a support plate. When the second motor 442 is started to drive the first gear 441 to be meshed with the first teeth 44 clockwise, the pressing ring plate 43 is forced to rotate inside the pressing ring groove 422 through the second annular plates 431. At the same time, a plurality of pressing blocks 432 press against a plurality of T-shaped plates 46 and pressing blocks 461. The pressing blocks 432 are forced to slide downward in the limiting grooves of the limiting track 45 and squeeze a first spring body 47, effectively enabling the T-shaped plates 46 to move downward stably. Under the continuous rotation of the pressing ring plate 43, the plurality of pressing blocks 461 gradually press downward against the outer side of the first pipe 7. After the plurality of pressing blocks 461 completely press against the outer side of the first pipe 7, the first pipe 7 is located at the middle of the rotating ring plate 42, the rotating track plate 411, the pressing ring plate 43, and the transmission ring plate 48. At this time, the second motor 442 is stopped. Thus, the first pipe 7 is fixed, and the relative second pipe 71 is fixed through the second clamping mechanism 5 in sequence to complete the fixing work. Among them, the first pipe 7 and the second pipe 71 are on the same central axis, which is beneficial to ensuring that the first pipe 7 and the second pipe 71 are fixed inside the rotating ring plate 42 and also ensuring that the first pipe 7 and the second pipe 71 are on the same central axis. During the end face coincidence, the accurate butt joint of the end faces of the first pipe 7 and the second pipe 71 is ensured, and the butt joint accuracy is improved. Pipes with different diameters can also be fixed. Furthermore, the practicability is improved and the functionality is increased.

[0047] In this embodiment, pressing blocks 432 are connected to the inside of the pressing ring plate 43 at equal angles in a circular pattern. At both ends inside the rotating ring plate 42, limiting rail plates 45 are connected. The limiting rail plates 45 are fixedly arranged inside the rotating ring plate 42 at equal angles in a circular pattern. A T-shaped plate 46 is in sliding fit with the limiting grooves on the limiting rail plates 45. On both sides of the lower end surface of the upper part of the T-shaped plate 46, first spring bodies 47 are connected. The lower ends of the first spring bodies 47 are fixed to the inner bottom of the limiting grooves. A pressing block 461 is connected to the lower end surface of the T-shaped plate 46. The outer surfaces of a plurality of pressing blocks 461 press against the first pipe 7. One end surface of the rotating ring plate 42 is fixedly connected to a transmission ring plate 48. Second teeth 481 are connected to the one end surface of the transmission ring plate 48 at equal angles in a circular pattern. The second teeth 481 are in meshing fit with a second gear 482. The second gear 482 is connected to a third motor 483 through a third rotating shaft. The third motor 483 is connected to the upper part of one side surface of the first moving plate 41 through a support frame 484. When the third motor 483 is started to drive the second gear 482 to mesh counterclockwise with the second teeth 481, the transmission ring plate 48 drives the rotating ring plate 42, the pressing ring plate 43, the pressing block 461, and the first pipe 7 to rotate counterclockwise. Among them, the first annular plate 421 on the rotating ring plate 42 rotates counterclockwise in the rotating groove on the rotating track plate 411, so that the first pipe 7 can be fixed inside the rotating ring plate 42 and rotate counterclockwise. During the rotation of the first pipe 7, the relative second pipe 71 rotates counterclockwise through the second clamping mechanism 5 working in sequence. Furthermore, the first pipe 7 and the second pipe 71 are rotated counterclockwise synchronously, and then the welding of the welded parts is used to achieve the automatic welding work. It is beneficial to realize the automatic welding work, without the need for manual participation in the welding work, and effectively reduces the workload. It also prevents the welded parts 68 from shaking during welding, improving the welding quality, uniformity, and aesthetics.

[0048] In this embodiment, a limiting rod 49 is fixedly connected to one side surface of the moving plate 41. One end of the limiting rod 49 passes through a limiting hole 52 on the second moving plate 51. The structures of the first clamping mechanism 4 and the second clamping mechanism 5 are the same. It is beneficial to ensure the stability of the movement of the first pipe 7 and the second pipe 71.

[0049] In this embodiment, the positioning mechanism 6 includes a fixing frame 61 fixedly connected to one side of the upper end surface of the workbench 1. A fixing long plate on the fixing frame 61 is slidably fitted in a moving port 621 formed in the lower part of the moving shell 62. A track plate 63 is fixedly connected to the lower part of one side surface of the moving shell 62, and a hydraulic cylinder 64 is connected to the upper part of one side of the moving shell 62. The output end of the hydraulic cylinder 64 is connected to a telescopic rod 65. One end of the telescopic rod 65 is fixedly connected to a telescopic plate 66. A guide plate 67 is connected to the lower end surface of one side of the telescopic plate 66. The guide plate 67 is slidably fitted in a guide groove on the track plate 63. An inclined surface at the lower part of one side of the telescopic plate 66 is provided with a welding part 68, and a positioning rod 69 is slidably fitted in a through hole on one side of the telescopic plate 66. A second spring body 691 is pressed against the top plate on the positioning rod 69. The lower end of the second spring body 691 is fixed to the upper end surface of one side of the telescopic plate 66. The lower end of the positioning rod 69 is fixedly connected to a positioning plate 692. A through port 661 is formed in one side surface of the telescopic plate 66. When the first pipe 7 moves, it first presses against the first guiding surface 6921 on the positioning plate 692. The force on the first guiding surface 6921 drives the telescopic plate 66, the guide plate 67, the telescopic rod 65, the hydraulic cylinder 64, the track plate 63, and the moving shell 62 to move to one side. The moving port 621 slides to the outside of the fixing long plate on the fixing frame 61. At the same time, the second guiding surface 6922 on the positioning plate 692 moves towards the port surface of the second pipe 71 until the port of the second pipe 71 presses against the second guiding surface 6922, and then the moving shell 62 stops moving. At this time, by the mutual pressing of the first pipe 7 and the second pipe 71, the opposite ports of the first pipe 7 and the second pipe 71 slide on the first guiding surface 6921 and the second guiding surface 6922, causing the positioning plate 692 to drive the positioning rod 69 upwards. The positioning rod 69 slides upwards inside the through hole under the force and stretches the second spring body 691 upwards. At the same time, the positioning plate 692 moves upwards in the through port 661 until the docking of the opposite ports of the first pipe 7 and the second pipe 71 is completed. Also, the welding part is automatically adjusted in position by the positioning plate 692 to ensure that the welding part is located at the docking position of the opposite ports of the first pipe 7 and the second pipe 71. Among them, the upper parts of the opposite ports of the first pipe 7 and the second pipe 71 slide over the rounded corners, which can smoothly push the positioning plate outwards, preventing it from getting stuck at the upper parts of the opposite ports of the first pipe 7 and the second pipe 71. Moreover, it can effectively prevent the upper parts of the opposite ports of the first pipe 7 and the second pipe 71 from being scratched, enhancing the protection effect.

[0050] In this embodiment, first guiding surfaces 6921 and second guiding surfaces 6922 are provided on both sides of the lower part of the positioning plate 692, and a fillet 6923 is formed at the middle of the lower end of the positioning plate 49. The first guiding surfaces 6921 and the second guiding surfaces 6922 abut against the end faces of the opposite surfaces of the first pipe 7 and the second pipe 71. It is beneficial to realize the automatic positioning of the docking part of the opposite ports of the first pipe 7 and the second pipe 72 through the guiding and transmission of the positioning plate 692. This step does not require manual participation, which increases functionality and can also position pipes with different diameters. Furthermore, it improves the accuracy of positioning and the practicality.

[0051] A method for using a submerged arc welding positioning device for a diversion pipe is as follows:

[0052] S1. Placement: Place the first pipe 7 and the second pipe 71. The first pipe 7 is placed inside the rotating ring plate 42, the rotating track plate 411, the pressing ring plate 43, and the transmission ring plate 48. The second pipe 71 (placed on the second clamping mechanism 5) works in the same way as the first pipe 7.

[0053] S2. Fixing: Start the second motor 442 to make the pressing ring plate 43 rotate inside the pressing ring groove 422 through the second annular plate 431 under force. At the same time, multiple pressing blocks 432 are forced to press against multiple T-shaped plates 46 and pressing blocks 461, so that multiple pressing blocks 461 gradually press downward against the outer side of the first pipe 7 until all the pressing blocks 461 completely press against the outer side of the first pipe 7, and then stop the second motor 442. Thus, the first pipe 7 is fixed, and the opposite second pipe 71 is fixed through the second clamping mechanism 5 in sequence, effectively ensuring that the first pipe 7 and the second pipe 71 are on the same central axis and also strengthening the precise docking of the end faces of the first pipe 7 and the second pipe 71.

[0054] S3. Adjustment: Adjust the positions of the positioning plate 692 and the welding part 68 according to the size of the pipe. The hydraulic cylinder 64 can be started to drive the telescopic plate 66 to drive the welding part 68 and the positioning plate 692 to move towards the first pipe 7 and the first pipe 71 until the welding part 68 can weld at the welding place of the first pipe 7 and the second pipe 71. There is no need for manual welding operation, making the welding work more stable.

[0055] S4. Coincidence: Start the motor 21 to drive the rotating circular plate 22 to rotate counterclockwise, causing the rotating plate 27 to be forced to rotate counterclockwise outside the fixed rod. The push rod 272 is forced to drive the pressing plate 294 to move to one side. At the same time, the pressing plate 294 drives the first clamping mechanism 4 and the first pipe 7 to gradually move towards the second pipe 71. The relative second pipe 71 is driven by the second docking mechanism 3 to gradually move towards the first pipe 7. Thus, the port coincidence work is realized, and the ports of the first pipe 7 and the second pipe 71 can be automatically docked, which can speed up the work progress;

[0056] S5. Positioning: When the first pipe 7 first presses against the first guiding surface 6921, the first guiding surface 6921 is forced to drive the moving shell 62, the positioning plate 692, and the welding part 68 to move to one side until the port of the second pipe 71 presses against the second guiding surface 6922, and then the moving shell 62 stops moving. At this time, by the double-sided pressing of the first pipe 7 and the second pipe 71, the positioning plate 692 moves upward until the docking of the relative ports of the first pipe 7 and the second pipe 71 is completed. At this time, the welding part is located at the docking position of the relative ports of the first pipe 7 and the second pipe 71, which can improve functionality and accuracy;

[0057] S6. Welding: Start the welding part to weld the already docked first pipe 7 and second pipe 71;

[0058] S7. Rotation: Start the third motor 483 to make the transmission ring plate 48 drive the first annular plate 421 to rotate counterclockwise on the rotating track plate 411, which can realize the counterclockwise rotation of the first pipe 7. The relative second pipe 71 rotates counterclockwise through the second clamping mechanism 5 at the same time. Thus, the first pipe 7 and the second pipe 71 rotate counterclockwise synchronously. Then, by using the welding of the already started welding part, the automatic welding work can be realized. The automatic welding work can be realized without manual participation in the welding work, and the workload can be effectively reduced.

[0059] The specific working principle of the present invention includes the following process:

[0060] First, place the first pipe 7 and the second pipe 71. The first pipe 7 is placed inside the rotating ring plate 42, the rotating track plate 411, the pressing ring plate 43, and the transmission ring plate 48. The second pipe 71 works in the same way as the first pipe 7. After placement, start the second motor 442 to drive the first gear 441 to mesh clockwise with the first tooth 44. The pressing ring plate 43 is forced to rotate inside the pressing ring groove 422 through the second annular plate 431. At the same time, multiple pressing blocks 432 press against multiple T-shaped plates 46 and pressing blocks 461. The pressing blocks 432 slide downward in the limiting grooves of the limiting track 45 under force and squeeze the first spring body 47. With the continuous rotation of the pressing ring plate 43, multiple pressing blocks 461 gradually press downward against the outer side of the first pipe 7. After multiple pressing blocks 461 completely press against the outer side of the first pipe 7, the first pipe 7 is located at the middle of the rotating ring plate 42. At this time, stop the second motor 442. Thus, the fixation of the first pipe 7 is achieved, and the relative second pipe 71 is fixed in sequence through the second clamping mechanism 5 to complete the fixation work. Among them, the first pipe 7 and the second pipe 71 are on the same central axis.

[0061] After fixing the first pipe 7 and the second pipe 71, start the motor 21 to drive the rotating circular plate 22 to rotate counterclockwise. The rotating circular plate 22 is forced to drive two transmission plates 23 simultaneously through two transmission rods. The transmission plates 23 are forced to drive the sliding blocks 24 to move outward. At the same time, the sliding blocks 24 slide in the transmission grooves 251 through the sliding plates 241. The guiding rods 344 are forced to abut against the long slot openings 271, causing the rotating plate 27 to rotate counterclockwise outside the fixed rod. Its push rod 272 is forced to transmit to the push plate 291 and the pressure rod 292, and the pressing plate 294 moves to one side. At the same time, the pressing plate 294 drives the first clamping mechanism 4 and the first pipe 7 to gradually move towards the second pipe 71. The relative second pipe 71 is driven by the second docking mechanism 3, causing the second pipe 71 to gradually move towards the first pipe 7. Among them, the limiting rod 49 slides to one side in the limiting hole 52.

[0062] Before the relative movement of the first pipe 7 and the second pipe 71, adjust the positions of the positioning plate 692 and the welding part 68 according to the size of the pipes. The hydraulic cylinder 64 can be started to drive the telescopic rod 65 to move to one side. The telescopic plate 66 is forced to slide to one side in the guiding grooves on the track plate 63 through the guiding plate 67, enabling the welding part 68 and the positioning plate 692 to move towards the first pipe 7 and the first pipe 71 until the welding part 68 can weld at the welding joint of the first pipe 7 and the second pipe 71. Among them, the size of the pipes can change the position of the positioning plate 692. For example, when the pipe diameter is larger, the position of the positioning plate 692 is on one side of the welding joint of the two pipes, rather than the positioning plate 692 being in the middle of the welding joint of the two pipes (as Figure 9 shown).

[0063] During the relative movement of the first pipe 7 and the second pipe 71, due to the different lengths of the placed pipes, the longer pipe first presses against the positioning plate 692. For example, when the first pipe 7 is placed with a longer length, during the movement of the first pipe 7, it first presses against the first guiding surface 6921. The force on the first guiding surface 6921 drives the telescopic plate 66, the guiding plate 67, the telescopic rod 65, the hydraulic cylinder 64, the track plate 63, and the moving shell 62 to move to one side. The moving port 621 slides to the outside of the fixed long plate on the fixed frame 61 to one side. At the same time, the second guiding surface 6922 moves towards the port surface of the second pipe 71. Until the port of the second pipe 71 presses against the second guiding surface 6922, the moving shell 62 stops moving. At this time, by means of the mutual pressing of the first pipe 7 and the second pipe 71 and the guiding on the first guiding surface 6921 and the second guiding surface 6922, the positioning plate 692 drives the positioning rod 692 upwards and stretches the second spring body 691 upwards. At the same time, the positioning plate 692 moves upwards within the through port 661 until the butt joint of the relative ports of the first pipe 7 and the second pipe 71 is completed. Also, the welding piece is automatically adjusted in position through the positioning plate 692.

[0064] Under the pressing of the first pipe 7 and the second pipe 71, the position of the welding piece has been automatically adjusted. At this time, the welding piece is started to weld the butt joint of the relative ports of the first pipe 7 and the second pipe 71. At the same time, the third motor 483 is started to drive the second gear 482 to mesh counterclockwise with the second tooth 481, so that the transmission ring plate 48 drives the rotating ring plate 42, the pressing ring plate 43, the pressing block 461, and the first pipe 7 to rotate counterclockwise. Among them, the first annular plate 421 rotates counterclockwise within the rotating groove on the rotating track plate 411, and the first pipe 7 can be fixed inside the rotating ring plate 42 to rotate counterclockwise. During the rotation of the first pipe 7, the relative second pipe 71 rotates counterclockwise through the second clamping mechanism 5 working in sequence. Furthermore, the first pipe 7 and the second pipe 71 rotate counterclockwise synchronously, and then, through the welding of the welding piece, the automatic welding work is realized.

[0065] The embodiments disclosed in the present invention are preferred embodiments, but not limited thereto. Those of ordinary skill in the art can easily understand the spirit of the present invention according to the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of the present invention, they are within the protection scope of the present invention.

Claims

1. A guide tube submerged arc welding positioning device, comprising a workbench (1), characterized in that: The receiving groove inside the workbench (1) is provided with a first docking mechanism (2) and a second docking mechanism (3); the upper end surface of the workbench (1) is provided with a first clamping mechanism (4) and a second clamping mechanism (5), and a positioning mechanism (6) is provided on one side of the upper end surface of the workbench (1); the first docking mechanism (2) comprises a first motor (21) fixedly connected to the middle of the bottom of the receiving groove, the first motor (21) is fixedly connected to a rotating circular plate (22) via the upper end of a first rotating shaft, both sides of the upper end surface of the rotating circular plate (22) are provided with a transmission plate (23) and a transmission plate on the second docking mechanism (3) via two transmission rods, the transmission plate (23) is connected to a sliding block (24) via a first connecting rod, and the lower end surface of the sliding block (24) is fixedly connected to the rotating circular plate (22) via the upper end surface of the rotating circular plate (22). A sliding plate (241) is fixedly connected, and the sliding plate (241) is slidably matched in a transmission groove (251) provided on the upper end surface of the extension plate (25) and the inner bottom surface of the transmission port (11). One side of the extension plate (25) is fixed at the edge of the lower part of the port on one side of the transmission port (12). One side of the sliding block (24) is slidably matched in a long slot (271) provided on both sides of the lower part of the rotating plate (27) through two ends of a guide rod (26). The upper part of the rotating plate (27) is connected to the rotating port (12) provided in the middle of both sides of the workbench (1) through a fixing rod, and a push rod (272) is fixedly connected to the upper part of the rotating plate (27). Both ends of the push rod (272) are provided with a first clamping assembly (28) and a second clamping assembly (29); The second clamping assembly (29) includes a push plate (291) which is transmission-connected to the outside of the push rod (272); the push plate (291) is connected to a pressure rod (292) via a second connecting rod; one end of the pressure rod (292) is slidably connected to a pressure hole clamped on the upper part of the bearing plate (293); one end of the pressure rod (292) is fixedly connected to a pressure plate (294); the lower end surface of the pressure plate (294) is located on the upper end surface of the workbench (1); the first docking mechanism (2) and the second docking mechanism (3) have the same structure; the first clamping mechanism (4) includes a first movable plate (41) which is fixedly connected to the upper end surface of the pressure plate (294); the upper end surface of the first movable plate (41) is connected to a rotating track plate (411); the rotating track plate (411) is The movable groove is rotatably engaged with a first annular plate (421) fixed to one end face of a rotating ring plate (42); a clamping annular groove (422) is provided inside the rotating ring plate (42); the clamping annular groove (422) is rotatably engaged with a second annular plate (431) fixed on both sides of the clamping annular plate (43); a clamping opening (423) is provided in the middle of the upper outer portion of the rotating ring plate (42); and first teeth (44) are evenly distributed at an annular angle on the upper outer portion of the rotating ring plate (42); the first teeth (44) are meshed with a first gear (441); the first gear (441) is connected to a second motor (442) via a second rotating shaft; and the second motor (442) is connected to the upper portion of one end face of the rotating ring plate (42) via a support plate.

2. A guide tube submerged arc welding positioning device as claimed in claim 1, characterized in that: The inner ring of the pressing ring plate (43) is connected to a pressing block (432) at an equal angle in an annular shape. Both ends of the inner ring of the rotating ring plate (42) are connected to a limiting rail plate (45). The limiting rail plate (45) is fixed inside the rotating ring plate (42) at an equal angle in an annular shape. A T-shaped plate (46) is slidably fitted in a limiting groove on the limiting rail plate (45). Both sides of the lower end surface of the upper part of the T-shaped plate (46) are connected to a first spring body (47). The lower end of the first spring body (47) is fixed to the bottom of the limiting groove. The lower end surface of the T-shaped plate (46) is connected to a pressing block (432). The outer surfaces of the plurality of pressing blocks (461) are pressed against the first pipe (7); one end surface of the rotating ring plate (42) is fixedly connected to a transmission ring plate (48); one end surface of the transmission ring plate (48) is evenly connected to second teeth (481) at annular and equiangular distribution; the second teeth (481) are meshed with a second gear (482); the second gear (482) is connected to a third motor (483) via a third rotating shaft; the third motor (483) is connected to an upper side of a side surface of the first movable plate (41) via a support frame (484).

3. A guide tube submerged arc welding positioning device as claimed in claim 2, characterized in that: A limiting rod (49) is fixedly connected to one side of the movable plate (41), one end of the limiting rod (49) passes through a limiting hole (52) on the second movable plate (51), and the first clamping mechanism (4) and the second clamping mechanism (5) have the same structure.

4. A guide tube submerged arc welding positioning device as claimed in claim 1, characterized in that: The positioning mechanism (6) comprises a fixed frame (61) fixedly connected to one side of the upper end surface of the workbench (1); a fixed long plate on the fixed frame (61) is slidably fitted in a moving opening (621) provided at the lower part of a moving shell (62); a track plate (63) is fixedly connected to the lower part of one side of the moving shell (62); and a hydraulic cylinder (64) is connected to the upper part of one side of the moving shell (62); an output end of the hydraulic cylinder (64) is connected to a telescopic rod (65); one end of the telescopic rod (65) is fixedly connected to a telescopic plate (66); and a guide plate is connected to the lower end surface of one side of the telescopic plate (66). (67), the guide plate (67) is slidably fitted in the guide groove on the track plate (63), a welding piece (68) is provided on the inclined surface at the lower part of one side of the telescopic plate (66), and a positioning rod (69) is slidably fitted in the through hole on one side of the telescopic plate (66), a second spring body (691) is pressed against the top plate on the positioning rod (69), the lower end of the second spring body (691) is fixed to the upper end surface of one side of the telescopic plate (66), the lower end of the positioning rod (69) is fixedly connected to the positioning plate (692), and a through opening (661) is opened on one side of the telescopic plate (66).

5. A guide tube submerged arc welding positioning device as claimed in claim 4, characterized in that: A first guide surface (6921) and a second guide surface (6922) are provided on both sides of the lower portion of the positioning plate (692), and a rounded corner (6923) is formed in the middle of the lower end of the positioning plate (49), the first guide surface (6921) and the second guide surface (6922) abut against the end surfaces of the first pipe (7) and the second pipe (71) facing each other.

6. A method using a flow guide tube submerged arc welding positioning device according to any one of claims 1 to 5, characterized in that: The following steps are involved: S1. Placement: Place the first pipe (7) and the second pipe (71), wherein the first pipe is placed inside the rotating ring plate (42), the rotating track plate (411), the clamping ring plate (43), and the transmission ring plate (48), and the second pipe (71) (placed on the second clamping mechanism (5)) works in the same manner as the first pipe (7); S2, fixing: starting the second motor (442), so that the clamping ring plate (43) is forced to rotate inside the clamping ring groove (422) through the second annular plate (431), and at the same time, the plurality of pressing blocks (432) are forced to press against the plurality of T-shaped plates (46) and the pressing blocks (461), so that the plurality of pressing blocks (461) are gradually pressed downward against the outer side of the first pipe (7), until the pressing blocks (461) are completely pressed against the outer side of the first pipe (7), and the second motor (442) is stopped, thereby achieving fixing to the first pipe (7), and the second pipe (71) opposite to the first pipe (7) is fixed by the second clamping mechanism (5) in the same manner; S3, adjustment: the positions of the positioning plate (692) and the welding piece (68) are adjusted according to the size of the pipeline, and the hydraulic cylinder (64) is activated to drive the telescopic plate (66) to drive the welding piece (68) and the positioning plate (692) to move in the direction of the first pipeline (7) and the second pipeline (71) until the welding piece (68) can be welded to the welding point between the first pipeline (7) and the second pipeline (71); S4, overlap: start the motor (21) to drive the rotating circular plate (22) to rotate counterclockwise, so that the rotating plate (27) is forced to rotate counterclockwise on the outside of the fixed rod, and the push rod (272) is forced to move to one side by the pressing plate (294). At the same time, the pressing plate (294) drives the first clamping mechanism (4) and the first pipe (7) to gradually move toward the second pipe (71). The second pipe (71) opposite to the first pipe (7) is driven by the second docking mechanism (3) to gradually move toward the first pipe (7), thereby achieving port overlap; S5, positioning: the first pipe (7) is first pressed against the first guide surface (6921), and the first guide surface (6921) is subjected to force to drive the movable shell (62), the positioning plate (692), and the welding piece (68) to move to one side until the end of the second pipe (71) is pressed against the second guide surface (6922), and the movable shell (62) stops moving. At this time, the positioning plate (692) is moved upward by utilizing the bidirectional pressure of the first pipe (7) and the second pipe (71), until the opposite ends of the first pipe (7) and the second pipe (71) are butt-jointed. At this time, the welding piece is located at the butt joint of the opposite ends of the first pipe (7) and the second pipe (71); S6, welding: starting the welding piece to weld the first pipe (7) and the second pipe (71) that have been butted together; S7, rotation: the third motor (483) is started, so that the transmission ring plate (48) drives the first ring plate (421) to rotate counterclockwise on the rotating track plate (411), so that the first pipe (7) can rotate counterclockwise, and the second pipe (71) opposite to it can rotate counterclockwise at the same time through the second clamping mechanism (5), thereby realizing the synchronous counterclockwise rotation of the first pipe (7) and the second pipe (71), and then utilizing the welding of the welded parts that have been started, thereby realizing the automatic welding work.

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