Pipeline welding device

Abstract

The utility model discloses a pipeline welding device which comprises a pipe rotating mechanism, a welding mechanism, an X-direction moving mechanism, a Y-direction moving mechanism and a Z-direction moving mechanism, and the pipe rotating mechanism is used for horizontally placing a pipeline and enabling the pipeline to rotate around the axis of the pipeline; the welding mechanism is arranged above the pipe rotating mechanism and is used for welding opposite seams of the pipeline; the X-direction moving mechanism is connected with the welding mechanism and used for driving the welding mechanism to move in the horizontal plane in the axial direction of the pipeline. Compared with the prior art, the pipeline welding device has the advantages that the pipeline welding device not only can process annular welding seams, but also can process spiral welding seams, in the process of processing the spiral welding seams, when a welding path changes, the position of a welding gun does not need to be adjusted midway, and the welding efficiency is improved. The problem of welding interruption caused by mismatching of the position of the welding gun or midway adjustment of the position of the welding gun in a traditional welding system is solved, the welding seam has continuity, and the welding seam strength and the welding efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field especially relates to a pipeline welding device. BACKGROUND

[0002] Pipeline system occupies an important position in petroleum, natural gas, chemical industry and construction industry. The welding of pipeline is the key process to ensure the stable operation of equipment. Traditionally, pipeline welding relies on manual operation, however, due to the influence of the technical level and state of the operator on the welding precision, efficiency, safety and consistency of the weld quality, it often leads to defects in the weld, thereby affecting the strength and sealing of the pipeline, and even causing safety hazards. With the progress of automatic welding technology, after the butt welding of two metal pipelines, the welding machine is used to full weld the joint to reduce manual operation, improve welding precision and stabilize weld quality.

[0003] The existing pipeline welding device (such as the pipeline welding device for building fire protection disclosed in application No. 202022007817.5) can only handle annular welds, and it is difficult to handle spiral welds. In the process of handling spiral welds, when the welding path changes, the position of the welding gun needs to be adjusted in the middle, which causes the problem of welding interruption. The weld does not have continuity, resulting in poor weld strength and low welding efficiency. SUMMARY

[0004] The utility model aims at overcoming the above technical defects, and provides a pipeline welding device to solve the technical problems that the existing pipeline welding device is difficult to handle spiral welds, the handled spiral welds do not have continuity, the weld strength is poor, and the welding efficiency is low.

[0005] To achieve the above technical purpose, the technical scheme of the utility model provides a pipeline welding device, which comprises:

[0006] A pipe rotating mechanism is used to horizontally place the pipeline and rotate the pipeline around its axis;

[0007] A welding mechanism is arranged above the pipe rotating mechanism to weld the joint of the pipeline;

[0008] An X-direction moving mechanism is connected with the welding mechanism to drive the welding mechanism to move in the horizontal plane along the axial direction of the pipeline;

[0009] A Y-direction moving mechanism is connected with the X-direction moving mechanism to drive the X-direction moving mechanism to move in the horizontal plane along the radial direction of the pipeline;

[0010] A Z-direction moving mechanism is connected with the Y-direction moving mechanism to drive the Y-direction moving mechanism to move up and down.

[0011] Further, the pipe rotating mechanism comprises two bearing assemblies and a driving assembly, the two bearing assemblies are oppositely and spacedly arranged, and two ends of the pipe are respectively placed on the two bearing assemblies, the bearing assembly comprises a bottom beam, two wheel seats and two rotating wheels, the two wheel seats are oppositely and spacedly arranged along the length direction of the bottom beam, and are detachably fixedly connected with the bottom beam, the two rotating wheels are correspondingly rotatably connected with the two wheel seats, and are used for placing the end of the pipe, the driving assembly comprises two first rotating driving members, the two first rotating driving members are fixedly connected with the two wheel seats on one of the bottom beams, and output ends of the two first rotating driving members are coaxially fixedly connected with the corresponding two rotating wheels, so as to drive the two rotating wheels to rotate at the same speed in the same direction.

[0012] Further, the bearing assembly further comprises two fixing members, the two fixing members are detachably fixedly connected with the two wheel seats, and are also detachably fixedly connected with the bottom beam.

[0013] Further, a sliding groove is formed on the bottom beam along the length direction of the bottom beam, a plurality of first mounting holes are spacedly formed on the bottom beam along the length direction of the bottom beam, each first mounting hole penetrates the sliding groove, the lower end of the wheel seat is slidingly arranged in the sliding groove, a second mounting hole is formed on the lower end of the wheel seat, the fixing member comprises a bolt and two nuts, the bolt penetrates the first mounting hole and the second mounting hole, and the two nuts are respectively sleeved on the two ends of the bolt and are screwed with the bolt.

[0014] Further, the bearing assembly further comprises a plurality of traveling wheels, each traveling wheel is fixedly arranged on the bottom of the bottom beam.

[0015] Further, the welding mechanism comprises a welding gun assembly, a welding wire disc and a wire feeding assembly, the gun head of the welding gun assembly is used for welding the joint of the pipe, the welding wire disc is used for winding the welding wire, and the wire feeding assembly is used for feeding the welding wire to the gun head of the welding gun assembly.

[0016] Further, the X-direction moving mechanism comprises a translation beam, an X-direction sliding rail and an X-direction driving member, the translation beam is horizontally arranged along the axial direction of the pipe, the X-direction sliding rail is horizontally arranged below the translation beam along the length direction of the translation beam, and is fixedly connected with the translation beam, the X-direction driving member is slidingly connected with the X-direction sliding rail and is movable along the length direction of the X-direction sliding rail, the welding gun assembly is arranged below the X-direction driving member and is fixedly connected with the X-direction driving member, and the welding wire disc is arranged above the translation beam and is rotatably connected with the translation beam.

[0017] Further, the X-direction driving member is a linear motor.

[0018] Further, the Y-direction moving mechanism is arranged above the translation beam, the Y-direction moving mechanism comprises a lifting beam, a plurality of Y-direction sliding rails, a Y-direction screw rod and a Y-direction rotating driving element, the lifting beam is horizontally arranged along the radial direction of the pipeline, each Y-direction sliding rail is horizontally arranged below the lifting beam along the length direction of the lifting beam and is fixedly connected with the lifting beam, the Y-direction screw rod is horizontally arranged along the length direction of the lifting beam, both ends of the Y-direction screw rod are rotationally connected with the lifting beam, the translation beam is slidably connected with each Y-direction sliding rail, a first screw hole is formed in the translation beam and the translation beam is sleeved on the Y-direction screw rod through the first screw hole, the first screw hole is screwed with the Y-direction screw rod, the Y-direction rotating driving element is fixedly arranged on the lifting beam, the output end of the Y-direction rotating driving element is coaxially fixedly connected with one end of the Y-direction screw rod and is used for driving the Y-direction screw rod to rotate.

[0019] Further, the Z-direction moving mechanism comprises a side beam, a plurality of Z-direction sliding rails, a Z-direction screw rod, a Z-direction rotating driving element and a transmission assembly, the side beam is vertically arranged, each Z-direction sliding rail is vertically arranged at the side of the side beam and is fixedly connected with the side beam, the Z-direction screw rod is vertically arranged, both ends of the Z-direction screw rod are rotationally connected with the side beam, the lifting beam is slidably connected with each Z-direction sliding rail, a second screw hole is formed in the lifting beam and the lifting beam is sleeved on the Z-direction screw rod through the second screw hole, the second screw hole is screwed with the Z-direction screw rod, the Z-direction rotating driving element is fixedly arranged on the side beam, both ends of the transmission assembly are connected with the output end of the Z-direction rotating driving element and one end of the Z-direction screw rod respectively and are used for converting the rotation of the output end of the Z-direction rotating driving element into the rotation of the Z-direction screw rod.

[0020] Compared with the prior art, the beneficial effects of the pipe welding device include: when in use, the pipeline is horizontally placed on the pipe rotating mechanism, the gun head of the welding mechanism is aligned with the central axis of the pipeline, and the gun head of the welding mechanism is aligned with a certain point of the seam to be welded, during the welding process of the welding mechanism on the seam of the pipeline, the pipe rotating mechanism can be controlled to drive the pipeline to rotate around its own axis, the X-direction moving mechanism can be controlled to drive the welding mechanism to move along the axial direction of the pipeline in the horizontal plane, so that the welding of the spiral weld can be completed, the pipe welding device can not only process the annular weld, but also process the spiral weld, and when the welding path changes during the process of processing the spiral weld, the position of the welding gun no longer needs to be adjusted, the problem of welding interruption caused by the mismatching of the position of the welding gun or the adjustment of the position of the welding gun in the traditional welding system is avoided, the weld has continuity, and the strength and welding efficiency of the weld are improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the pipe welding device.

[0022] Figure 2 is a kind of pipeline welding device in another perspective of the three-dimensional structure schematic view provided by the utility model;

[0023] In the drawing: 1-pipeline, 100-pipe mechanism, 110-bearing assembly, 111-bottom beam, 1111-slotted, 1112-first mounting hole, 112-wheel seat, 1121-second mounting hole, 113-rotating wheel, 114-fixing piece, 1141-bolt, 115-traveling wheel, 120-driving assembly, 121-first rotating driving part, 200-welding mechanism, 210-welding gun assembly, 220-wire reel, 300-X direction moving mechanism, 310-translation beam, 320-X direction slide rail, 330-X direction driving part, 400-Y direction moving mechanism, 410-lifting beam, 420-Y direction slide rail, 500-Z direction moving mechanism, 510-side beam, 520-Z direction slide rail, 530-Z direction screw rod, 540-Z direction rotating driving part, 550-transmission assembly. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples.The specific examples described herein are used to explain the utility model, and are not used to limit the utility model.

[0025] The utility model provides a kind of pipeline welding device, its structure as shown in Figure 1 Fig. 1, including pipe mechanism 100, welding mechanism 200, X direction moving mechanism 300, Y direction moving mechanism 400 and Z direction moving mechanism 500, the pipe mechanism 100 is placed on pipeline 1 with to horizontally, and to make pipeline 1 rotate around its axis;Welding mechanism 200 is arranged above pipe mechanism 100, to weld the joint of pipeline 1;X direction moving mechanism 300 is connected with welding mechanism 200, for driving welding mechanism 200 moves in horizontal plane along the axial direction of pipeline 1;Y direction moving mechanism 400 is connected with X direction moving mechanism 300, for driving X direction moving mechanism 300 moves in horizontal plane along the radial direction of pipeline 1;Z direction moving mechanism 500 is connected with Y direction moving mechanism 400, for driving Y direction moving mechanism 400 moves up and down.

[0026] In use, the pipe 1 is placed horizontally on the pipe rotating mechanism 100, the Z-direction moving mechanism 500 is controlled to drive the Y-direction moving mechanism 400 to move downwards, and the X-direction moving mechanism 300 is controlled to drive the welding mechanism 200 to move downwards until the head of the welding mechanism 200 is close to the pipe 1, then the Y-direction moving mechanism 400 is controlled to drive the X-direction moving mechanism 300 to move along the radial direction of the pipe 1 in the horizontal plane, and the welding mechanism 200 is controlled to move along the radial direction of the pipe 1 in the horizontal plane until the head of the welding mechanism 200 is aligned with the center axis of the pipe 1 and a certain point of the seam, at this time, the welding mechanism 200 is started to weld the seam of the pipe 1, during the working of the welding mechanism 200, the pipe rotating mechanism 100 is controlled to rotate the pipe 1 around its own axis, and the X-direction moving mechanism 300 is controlled to drive the welding mechanism 200 to move along the axial direction of the pipe 1 in the horizontal plane, so that the welding of the spiral seam can be completed. The pipe welding device can not only process the annular seam, but also process the spiral seam, and when the welding path changes during the processing of the spiral seam, the position of the welding gun no longer needs to be adjusted, which avoids the welding interruption caused by the mismatching of the position of the welding gun or the adjustment of the position of the welding gun in the traditional welding system, the weld has continuity, and the strength and efficiency of the weld are improved.

[0027] As a preferred embodiment, please refer to Figure 1 and Figure 2The pipe rotating mechanism 100 comprises two bearing assemblies 110 and a driving assembly 120. The two bearing assemblies 110 are oppositely and spacedly arranged, and are respectively used to place two ends of the pipe 1. The bearing assembly 110 comprises a bottom beam 111, two wheel seats 112 and two rotating wheels 113. The two wheel seats 112 are oppositely and spacedly arranged along the length direction of the bottom beam 111, and are detachably fixedly connected with the bottom beam 111. The two rotating wheels 113 are correspondingly rotatably connected with the two wheel seats 112, and are used to place the end of the pipe 1. The driving assembly 120 comprises two first rotating driving members 121. The two first rotating driving members 121 are fixedly connected with the two wheel seats 112 on one of the bottom beams 111. The output ends of the two first rotating driving members 121 are coaxially fixedly connected with the corresponding two rotating wheels 113, so as to drive the two rotating wheels 113 to rotate at the same speed in the same direction. The two bottom beams 111 are arranged in parallel. By controlling the two first rotating driving members 121, the two first rotating driving members 121 can drive the two rotating wheels 113 to rotate at the same speed in the same direction, so as to drive the pipe 1 to rotate around its own axis, facilitate the gun head of the welding mechanism 200 to weld other positions of the seam, and realize the full-circle welding of the welding gun on the annular pipe 1. The four rotating wheels 113 provide stable support for the pipe 1, so as to ensure that the position of the pipe 1 does not deviate during the welding process, and avoid the influence on the welding quality.

[0028] As a preferred embodiment, refer to Figure 1 and Figure 2 The bearing assembly 110 further comprises two fixing members 114. The two fixing members 114 are detachably fixedly connected with the two wheel seats 112, and are also detachably fixedly connected with the bottom beam 111, so as to realize the detachable fixed connection between the wheel seat 112 and the bottom beam 111. The position of the wheel seat 112 on the bottom beam 111 is variable, and the width between the two rotating wheels 113 is adjustable, so as to place the pipe 1 within a certain diameter range.

[0029] As a preferred embodiment, refer to Figure 1 and Figure 2The bottom beam 111 is provided with a sliding groove 1111 and a plurality of first mounting holes 1112 spaced along the length direction of the bottom beam 111, each of the first mounting holes 1112 penetrates the sliding groove 1111, the lower end of the wheel seat 112 is slidingly arranged in the sliding groove 1111, the lower end of the wheel seat 112 is provided with a second mounting hole 1121, and the fixing member 114 includes a bolt 1141 and two nuts, the bolt 1141 penetrates the first mounting hole 1112 and the second mounting hole 1121, and the two nuts are respectively sleeved on the two ends of the bolt 1141 and are in threaded connection with the bolt 1141, so that the wheel seat 112 is more convenient to disassemble and assemble.

[0030] As a preferred embodiment, refer to Figure 1 The bearing assembly 110 further includes a plurality of walking wheels 115, each of which is fixedly arranged at the bottom of the bottom beam 111, so as to facilitate the movement of the bearing assembly 110.

[0031] As a preferred embodiment, refer to Figure 1 and Figure 2 The welding mechanism 200 includes a welding gun assembly 210, a welding wire disc 220, and a wire feeding assembly. The gun head of the welding gun assembly 210 is used to weld the joint of the pipeline 1. The welding wire disc 220 is used to wind the welding wire. The wire feeding assembly is used to move the welding wire to the gun head of the welding gun assembly 210. Before welding, the welding wire in the welding wire disc 220 is checked and ensured to be sufficient. The welding wire disc 220 and the wire feeding assembly provide continuous welding wire supply for the gun head of the welding gun assembly 210, ensure the stability of the welding process, meet the high-precision welding requirement, and greatly improve the efficiency and quality of the welding operation.

[0032] As a preferred embodiment, refer to Figure 1 and Figure 2The X-direction moving mechanism 300 comprises a translation beam 310, an X-direction slide rail 320 and an X-direction driving member 330. The translation beam 310 is horizontally arranged along the axial direction of the pipeline 1. The X-direction slide rail 320 is horizontally arranged below the translation beam 310 along the length direction of the translation beam 310 and is fixedly connected with the translation beam 310. The X-direction driving member 330 is slidingly connected with the X-direction slide rail 320 and is movable along the length direction of the X-direction slide rail 320. The welding gun assembly 210 is arranged below the X-direction driving member 330 and is fixedly connected with the X-direction driving member 330. The welding wire reel 220 is arranged above the translation beam 310 and is rotationally connected with the translation beam 310. By controlling the X-direction driving member 330, the X-direction driving member 330 is moved along the length direction of the X-direction slide rail 320, thereby driving the welding gun assembly 210 to move along the length direction of the X-direction slide rail 320. The gun head of the welding gun assembly 210 always maintains the optimal welding position during the welding process. The welding gun assembly 210 always aligns with the seam of the pipeline 1. The welding gun assembly 210 can be adjusted in position according to the shape of the welding seam and cooperates with the rotation of the pipeline 1 to realize continuous welding. This design is suitable for welding seams with different shapes and positions, improves the continuity and adaptability of the welding, reduces the interruption caused by the change of the welding path, and greatly improves the welding efficiency.

[0033] As a preferred embodiment, refer to Figure 2 The X-direction driving member 330 is a linear motor which can perform linear motion. The linear motor is a prior art and will not be described in detail in the present solution.

[0034] As a preferred embodiment, refer to Figure 1 and Figure 2The Y-direction moving mechanism 400 is arranged above the translation beam 310, and comprises a lifting beam 410, a plurality of Y-direction sliding rails 420, a Y-direction screw rod and a Y-direction rotating driving member. The lifting beam 410 is horizontally arranged along the radial direction of the pipeline 1. Each Y-direction sliding rail 420 is horizontally arranged below the lifting beam 410 along the length direction of the lifting beam 410, and is fixedly connected with the lifting beam 410. The Y-direction screw rod is horizontally arranged along the length direction of the lifting beam 410, and both ends of the Y-direction screw rod are rotationally connected with the lifting beam 410. The translation beam 310 is slidingly connected with each Y-direction sliding rail 420. A first screw hole is formed in the translation beam 310, and the translation beam 310 is sleeved on the Y-direction screw rod through the first screw hole. The first screw hole is screwed with the Y-direction screw rod. The Y-direction rotating driving member is fixedly arranged on the lifting beam 410. An output end of the Y-direction rotating driving member is coaxially fixedly connected with one end of the Y-direction screw rod, and is used for driving the Y-direction screw rod to rotate. The Y-direction rotating driving member can drive the Y-direction screw rod to rotate forward or reversely by controlling the Y-direction rotating driving member. The translation beam 310 is guided by each Y-direction sliding rail 420, so that the translation beam 310 can move along the radial direction of the pipeline 1 in a horizontal plane, and the gun head of the welding gun assembly 210 can be aligned with the central axis of the pipeline 1. The welding wire disc 220 and the welding gun assembly 210 can realize synchronous movement, so that the welding wire can be continuously and stably supplied to the gun head of the welding gun assembly 210 during the welding process. The synchronous movement of the welding wire disc 220 and the welding gun assembly 210 effectively avoids the problems of jamming or discontinuous wire feeding caused by position deviation of the welding wire during the welding process, so as to ensure the consistency and stability of the welding quality.

[0035] As a preferred embodiment, please refer to Figure 1The Z-direction moving mechanism 500 includes a side beam 510, a plurality of Z-direction slide rails 520, a Z-direction screw rod 530, a Z-direction rotation driving member 540 and a transmission assembly 550. The side beam 510 is vertically arranged, and each Z-direction slide rail 520 is vertically arranged on the side of the side beam 510 and is fixedly connected to the side beam 510. The Z-direction screw rod 530 is vertically arranged, and both ends of the Z-direction screw rod 530 are rotatably connected to the side beam 510. The lifting beam 410 is slidably connected to each of the Z-direction slide rails 520. A second screw hole is opened on the lifting beam 410, and is sleeved on the Z-direction screw rod 530 through the second screw hole. The second screw hole is screwed to the Z-direction screw rod 530. The component 540 is fixed on the side beam 510, and the two ends of the transmission assembly 550 are respectively connected to the output end of the Z-direction rotation driving component 540 and one end of the Z-direction screw rod 530, for converting the rotation of the output end of the Z-direction rotation driving component 540 into the rotation of the Z-direction screw rod 530. By manipulating the Z-direction rotation driving component 540, the Z-direction rotation driving component 540 can drive the Z-direction screw rod 530 to rotate forward or reverse. Through the guidance of the lifting beam 410 by each of the Z-direction slide rails 520, the lifting beam 410 can be moved up and down, so that the gun head of the welding gun assembly 210 is close to or away from the pipe 1, and the position of the gun head of the welding gun assembly 210 is aligned with the height of the welding area.

[0036] As a preferred embodiment, please refer to Figure 1 , the transmission component 550 is a belt transmission.

[0037] As a preferred embodiment, the pipeline welding device further includes a monitoring mechanism, which is used to monitor the welding assembly. The pipeline welding device integrates a real-time monitoring function for welding parameters, and can monitor and provide feedback on parameters such as welding current, voltage, and welding gun position in real time during the welding process. When welding abnormalities occur, the system can automatically make dynamic adjustments to ensure the reliability and stability of welding. This automated adjustment function greatly reduces human operating errors and ensures that the final weld quality meets high standards.

[0038] In order to better understand the present invention, the following Figure 1 - Figure 2 The working principle of the technical solution of the utility model is described in detail:

[0039] In use, the pipeline 1 is placed horizontally on the four rotating wheels 113, by operating the Z-direction rotating drive 540, the Z-direction rotating drive 540 can drive the Z-direction lead screw 530 to rotate forward, guided by each Z-direction sliding rail 520 to the lifting beam 410, so that the lifting beam 410 can move downward, aligning the position of the gun head of the welding gun assembly 210 with the height of the welding area, then by operating the Y-direction rotating drive, the Y-direction rotating drive can drive the Y-direction lead screw to rotate forward or reverse, guided by each Y-direction sliding rail 420 to the translation beam 310, so that the translation beam 310 can move in the horizontal plane along the radial direction of the pipeline 1, aligning the gun head of the welding gun assembly 210 with the central axis of the pipeline 1, and aligning the gun head of the welding mechanism 200 with a certain point of the seam, at this time, the welding assembly is started, the gun head of the welding assembly welds the seam of the pipeline 1, during the operation of the welding assembly, by operating the two first rotating drives 121, the two first rotating drives 121 can drive the two rotating wheels 113 to rotate at the same speed and in the same direction, so as to drive the pipeline 1 to rotate around its own axis, by operating the X-direction drive 330, the X-direction drive 330 moves along the length direction of the X-direction sliding rail 320, thereby driving the welding gun assembly 210 to move along the length direction of the X-direction sliding rail 320, so that the gun head of the welding gun assembly 210 always maintains the optimal welding position during the welding process, the welding gun assembly 210 always aligns with the seam of the pipeline 1, the welding gun assembly 210 can adjust the position according to the shape of the weld, and cooperates with the rotation of the pipeline 1 to realize continuous welding, this design is suitable for welds of different shapes and positions, improves the continuity and adaptability of welding, reduces the interruption caused by changes in the welding path, thereby greatly improving the welding efficiency, the pipeline welding device can not only handle annular welds, but also handle spiral welds, during the process of handling spiral welds, when the welding path changes, there is no need to adjust the position of the welding gun in the middle, avoiding the welding interruption problem caused by the mismatch of the welding gun position or the adjustment of the welding gun position in the traditional welding system, the weld has continuity, improving the weld strength and welding efficiency, the rotation angle of the welding gun of the system can be dynamically adjusted according to the complexity of the weld and the shape of the pipeline 1, which can adapt to the bending, inclination and complex path requirements of different welds, this design is especially suitable for industrial application scenarios with variable weld shapes, such as the welding of oil pipelines 1, natural gas pipelines 1 and chemical pipelines 1, the cooperative motion design of the X-direction moving mechanism 300 and the rotating pipe mechanism 100 enables the welding process to proceed smoothly without the need to pause or reposition the welding gun due to changes in the weld shape or position, not only reducing the number of pauses in welding, but also effectively shortening the welding time and greatly improving the welding efficiency, at the same time, the synchronous motion of the welding gun and the pipeline 1 avoids frequent manual adjustment operations, reducing the difficulty of manual operation,Suitable for continuous large batch production task, in the welding process, the synchronous movement of the welding gun and the pipeline 1 makes the welding gun and the weld keep the best angle and relative position all the time, avoids the uneven weld or inconsistent weld quality caused by position deviation, especially in long time welding task, the cooperative movement design can keep the stability of welding quality and the consistency of weld, ensures the uniform distribution of temperature and force in the welding process, thereby effectively reducing the generation of welding defects.

[0040] The pipeline welding device has the following beneficial effects:

[0041] (1) The welding wire disc 220 and the welding gun assembly 210 can realize synchronous movement, ensuring that the welding wire is continuously and stably supplied to the gun head of the welding gun assembly 210 during the welding process, and the synchronous movement of the welding wire disc 220 and the welding gun assembly 210 effectively avoids the problems of jamming or discontinuous wire feeding caused by position deviation of the welding wire during the welding process, thereby ensuring the consistency and quality stability of the weld;

[0042] (2) The welding gun assembly 210 can move and adjust the position according to the shape of the weld, and cooperates with the rotation of the pipeline 1 to realize continuous welding, which is suitable for welds of different shapes and positions, improves the continuity and adaptability of welding, reduces the interruption caused by changes in the welding path, and greatly improves the welding efficiency;

[0043] (3) The pipeline welding device can not only process annular welds, but also process spiral welds. In the process of processing spiral welds, when the welding path changes, it is no longer necessary to adjust the position of the welding gun in the middle, avoiding the welding interruption problem caused by the mismatch of the position of the welding gun or the adjustment of the position of the welding gun in the traditional welding system. The weld has continuity, improves the weld strength and welding efficiency, and the rotation angle of the welding gun of the system can be dynamically adjusted according to the complexity of the weld and the shape of the pipeline 1, and can adapt to the bending, inclination and complex path requirements of different welds.

[0044] The specific implementation mode of the above-mentioned utility model does not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A pipeline welding device, characterized in that: include: A pipe rotating mechanism, on which the pipe is placed horizontally and used to rotate the pipe around its own axis; A welding mechanism is provided above the pipe rotating mechanism and is used for welding the butt joints of the pipe; An X-direction moving mechanism, connected to the welding mechanism, for driving the welding mechanism to move along the axial direction of the pipeline in a horizontal plane; a Y-direction moving mechanism connected to the X-direction moving mechanism, and configured to drive the X-direction moving mechanism to move radially along the pipeline in a horizontal plane; The Z-direction moving mechanism is connected to the Y-direction moving mechanism and is used to drive the Y-direction moving mechanism to move up and down.

2. The pipeline welding device according to claim 1, characterized in that: The pipe rotating mechanism includes two bearing assemblies and a driving assembly, the two bearing assemblies are arranged opposite to each other and at intervals, and the two bearing assemblies are respectively used to place the two ends of the pipeline, the bearing assembly includes a bottom beam, two wheel seats and two runners, the two wheel seats are arranged opposite to each other and at intervals along the length direction of the bottom beam, and are both detachably fixed to the bottom beam, the two runners are rotatably connected to the two wheel seats in a one-to-one correspondence, and are used for placing the ends of the pipeline, the driving assembly includes two first rotating driving members, the two first rotating driving members are fixed in a one-to-one correspondence to the two wheel seats on one of the bottom beams, and the output ends of the two first rotating driving members are respectively coaxially fixed to the corresponding two runners, for driving the two runners to rotate in the same direction and at the same speed.

3. The pipeline welding device according to claim 2, characterized in that: The bearing assembly further comprises two fixing members, which are detachably fixedly connected to the two wheel seats in a one-to-one correspondence, and are also detachably fixedly connected to the bottom beam.

4. The pipeline welding device according to claim 3, characterized in that: A slide groove is provided on the bottom beam along its length direction, and a plurality of first mounting holes are provided on the bottom beam at intervals along its length direction, each of the first mounting holes passes through the slide groove, and the lower end of the wheel seat is slidably set in the slide groove, and a second mounting hole is provided on the lower end of the wheel seat, and the fixing part includes a bolt and two nuts, and the bolt passes through the first mounting hole and the second mounting hole, and the two nuts are respectively sleeved on both ends of the bolt and are both threadedly connected to the bolt.

5. The pipeline welding device according to claim 2, characterized in that: The bearing assembly further includes a plurality of running wheels, each of which is fixed to the bottom of the bottom beam.

6. The pipeline welding device according to claim 1, characterized in that: The welding mechanism includes a welding gun assembly, a welding wire reel and a wire feeding assembly. The gun head of the welding gun assembly is used to weld the seams of the pipeline, the welding wire reel is used to wind the welding wire, and the wire feeding assembly is used to move the welding wire to the gun head of the welding gun assembly.

7. The pipeline welding device according to claim 6, characterized in that: The X-direction moving mechanism includes a translation beam, an X-direction slide rail and an X-direction driving member. The translation beam is horizontally arranged along the axial direction of the pipeline. The X-direction slide rail is horizontally arranged below the translation beam along the length direction of the translation beam and is fixedly connected to the translation beam. The X-direction driving member is slidably connected to the X-direction slide rail and can move along the length direction of the X-direction slide rail. The welding gun assembly is arranged below the X-direction driving member and is fixedly connected to the X-direction driving member. The welding wire reel is arranged above the translation beam and is rotatably connected to the translation beam.

8. The pipeline welding device according to claim 7, characterized in that: The X-direction driving component is a linear motor.

9. The pipeline welding device according to claim 7, characterized in that: The Y-axis moving mechanism is arranged above the translation beam, and the Y-axis moving mechanism includes a lifting beam, a plurality of Y-axis slide rails, a Y-axis screw rod and a Y-axis rotation driving member. The lifting beam is horizontally arranged along the radial direction of the pipeline, and each of the Y-axis slide rails is horizontally arranged below the lifting beam along the length direction of the lifting beam and is fixedly connected to the lifting beam. The Y-axis screw rod is horizontally arranged along the length direction of the lifting beam, and both ends of the Y-axis screw rod are rotatably connected to the lifting beam, and the translation beam and each of the Y-axis slide rails are slidably connected. The translation beam is provided with a first screw hole, and is sleeved on the Y-axis screw rod through the first screw hole, and the first screw hole is screwed to the Y-axis screw rod. The Y-axis rotation driving member is fixed on the lifting beam, and the output end of the Y-axis rotation driving member is coaxially fixed with one end of the Y-axis screw rod for driving the Y-axis screw rod to rotate.

10. The pipeline welding device according to claim 9, characterized in that: The Z-axis moving mechanism includes side beams, multiple Z-axis slide rails, a Z-axis screw rod, a Z-axis rotation drive member and a transmission assembly. The side beams are vertically arranged, and each of the Z-axis slide rails is vertically arranged on the side of the side beam and is fixedly connected to the side beam. The Z-axis screw rod is vertically arranged, and both ends of the Z-axis screw rod are rotatably connected to the side beams. The lifting beam is slidably connected to each of the Z-axis slide rails. A second screw hole is opened on the lifting beam, and is sleeved on the Z-axis screw rod through the second screw hole. The second screw hole is screwed to the Z-axis screw rod, and the Z-axis rotation drive member is fixed on the side beam. The two ends of the transmission assembly are respectively connected to the output end of the Z-axis rotation drive member and one end of the Z-axis screw rod, for converting the rotation of the output end of the Z-axis rotation drive member into the rotation of the Z-axis screw rod.

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