A locating device for welding steel pipes

Abstract

The utility model relates to welding machine equipment technical field especially relates to a kind of location device for steel pipe welding.The location device for steel pipe welding includes workbench, and control box fixedly installed in the one side of workbench;Supporting rod is equipped with two, two supporting rods are symmetrically installed on the upper surface of workbench, and the sliding bracket is commonly slidably installed on two supporting rods, and the two ends of sliding bracket are symmetrically installed with electric lever, and the telescopic end of two electric levers is fixedly installed with support frame, and the one end of support frame away from electric lever is fixedly installed with semicircle ring, and the inner side wall of semicircle ring is fixedly installed with half-toothed ring, and the two ends of semicircle ring are all set with circular slot, and two semicircle rings form complete ring, and locating assembly is installed on ring;Gantry component is used to support the gantry component for steel pipe welding and is installed on workbench.The location device for steel pipe welding provided by the utility model has the advantages of comprehensive welding point scanning positioning.

Description

Technical Field

[0001] This utility model relates to the field of welding machine equipment technology, and in particular to a positioning device for steel pipe welding. Background Technology

[0002] Welding positioning devices are key equipment in welding automation, used to accurately identify the position of the workpiece or the weld trajectory before welding, ensuring the accuracy of the welding path.

[0003] In the welding of steel pipes, the welding interfaces include full circle butt welding and V-type interlocking welding. Single-point scanning positioning can only perform one scan for simple workpieces and simple welds, which may result in scanning blind spots, leading to inaccurate or disordered positioning. This results in low welding efficiency, slow speed, and low precision, especially in full circle butt welding.

[0004] Therefore, it is necessary to provide a new positioning device for steel pipe welding to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a positioning device for steel pipe welding.

[0006] The positioning device for steel pipe welding provided by this utility model includes: a workbench, and a control box fixedly installed on one side of the workbench;

[0007] The system includes two support rods symmetrically mounted on the upper surface of the worktable. A sliding frame is slidably mounted on both support rods. Electric rods are symmetrically mounted at both ends of the sliding frame. Support frames are fixedly mounted on the telescopic ends of both electric rods. A semi-circular ring is fixedly mounted on the end of the support frame opposite to the electric rod. A semi-gear ring is fixedly mounted on the inner wall of the semi-circular ring, and arc grooves are formed at both ends of the semi-circular ring. The two semi-circular rings form a complete circular ring. A positioning component is mounted on the circular ring. The positioning component includes two sliding plates, which are slidably mounted in the arc grooves at both ends of the semi-circular ring. A distance rod is fixedly mounted between the two sliding plates. A servo motor is embedded in one sliding plate, and a small gear is fixedly fitted onto the output end of the servo motor. The small gear meshes with the semi-gear ring. A horizontal plate is fixedly mounted on the other sliding plate, and a CCD camera and a laser elevation sensor are mounted on the horizontal plate. The electric rods, servo motor, CCD camera, and laser elevation sensor are all electrically connected to the control box.

[0008] A frame assembly for supporting steel pipe welding is mounted on the workbench.

[0009] Preferably, a rack plate is fixedly installed on the inner side of the two support rods on the workbench, a stepper motor is fixedly installed at both ends of the sliding frame, a transmission gear is fixedly installed at the output end of the stepper motor, the transmission gear meshes with the corresponding rack plate, and the stepper motor is electrically connected to the control box.

[0010] Preferably, a T-shaped foot is fixedly installed at the bottom of the support frame, and a T-shaped groove is provided on the sliding frame to slide with the T-shaped foot.

[0011] Preferably, the horizontal plate is detachably mounted with a mounting plate for mounting a welding robotic arm.

[0012] Preferably, the frame assembly includes linear guides symmetrically mounted on the workbench, and support beams are symmetrically mounted on the linear guides.

[0013] Preferably, the support beam has a V-shaped groove.

[0014] Preferably, a bidirectional threaded rod is rotatably mounted at the top center of the workbench, and a power motor for driving the bidirectional threaded rod to rotate is mounted on the workbench. A transmission plate is threaded onto the bidirectional threaded rod, and the transmission plate is fixedly connected to the corresponding support beam.

[0015] Compared with related technologies, the positioning device for steel pipe welding provided by this utility model has the following advantages:

[0016] 1. This utility model provides a positioning device for steel pipe welding. By symmetrically arranging an electric rod, a support frame and a semi-circular ring on a sliding frame, the two semi-circular rings are combined to form a complete circular ring. A positioning component is set on the complete circular ring. The positioning component uses the cooperation of a sliding plate, a horizontal plate, a distance rod, a servo motor, a pinion, a CCD camera, a laser elevation sensor and a mounting plate to perform comprehensive scanning and positioning of the welded steel pipe.

[0017] 2. By setting up a frame assembly on the workbench, the frame assembly utilizes the cooperation of linear guides, support beams, V-grooves, bidirectional threaded rods, power motors, and transmission plates to facilitate the support and placement of welded steel pipes. Attached Figure Description

[0018] Figure 1 A schematic diagram of a preferred embodiment of the positioning device for steel pipe welding provided by this utility model;

[0019] Figure 2 Another structural schematic diagram of the positioning device for steel pipe welding provided by this utility model;

[0020] Figure 3 A schematic diagram of the structure of the sliding frame with a positioning component installed on it provided by this utility model;

[0021] Figure 4 Another structural schematic diagram of the sliding frame with a positioning component installed on it provided by this utility model;

[0022] Figure 5 A schematic diagram of the structure of the support frame provided by this utility model, on which a semi-circular ring is installed.

[0023] The following components are labeled in the diagram: 1. Workbench; 11. Rack plate; 2. Support rod; 3. Sliding frame; 31. Stepper motor; 32. Transmission gear; 301. T-slot; 4. Electric rod; 5. Support frame; 51. T-foot; 6. Semi-circular ring; 61. Semi-gear ring; 601. Arc groove; 7. Positioning assembly; 71. Slide plate; 711. Horizontal plate; 72. Distance rod; 73. Servo motor; 731. Pinion; 74. CCD camera; 75. Laser elevation sensor; 76. Mounting plate; 8. Frame assembly; 81. Linear guide rail; 82. Support beam; 801. V-slot; 83. Bidirectional threaded rod; 84. Power motor; 85. Transmission plate; 9. Control box. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0026] Please see Figures 1 to 5 This utility model provides a positioning device for steel pipe welding, the positioning device for steel pipe welding includes:

[0027] Workbench 1, and control box 9 fixedly installed on one side of the workbench 1;

[0028] Two support rods 2 are provided, symmetrically mounted on the upper surface of the workbench 1. A sliding frame 3 is slidably mounted on both support rods 2. Electric rods 4 are symmetrically mounted at both ends of the sliding frame 3. Support frames 5 are fixedly mounted on the telescopic ends of both electric rods 4. A semi-circular ring 6 is fixedly mounted on the end of the support frame 5 opposite to the electric rod 4. A semi-toothed ring 61 is fixedly mounted on the inner wall of the semi-circular ring 6, and arc grooves 601 are formed at both ends of the semi-circular ring 6. The two semi-circular rings 6 form a complete ring. A positioning component 7 is mounted on the ring. The positioning component 7 includes a sliding plate 71. Two slide plates 71 are provided. The two slide plates 71 are slidably installed in the arc grooves 601 opened at both ends of the semicircular ring 6, and a fixed distance rod 72 is fixedly installed between the two slide plates 71. A servo motor 73 is embedded in one slide plate 71. A pinion 731 is fixedly sleeved on the output end of the servo motor 73. The pinion 731 meshes with the semi-gear ring 61. A horizontal plate 711 is fixedly installed on the other slide plate 71. A CCD camera 74 and a laser elevation sensor 75 are installed on the horizontal plate 711. The electric rod 4, the servo motor 73, the CCD camera 74 and the laser elevation sensor 75 are all electrically connected to the control box 9.

[0029] The frame assembly 8, which supports the welding of steel pipes, is mounted on the workbench 1.

[0030] In this configuration, rack plates 11 are fixedly installed on the inner side of the two support rods 2 on the workbench 1, and stepper motors 31 are fixedly installed at both ends of the sliding frame 3. A transmission gear 32 is fixedly installed at the output end of the stepper motor 31. The transmission gear 32 meshes with the corresponding rack plate 11, and the stepper motor 31 is electrically connected to the control box 9.

[0031] It should be noted that during use, the two steel pipes to be butt-welded are placed on the stand assembly 8. After placement, the electric rod 4 is controlled by the control box 9 to push the support frame 5 to slide along the sliding frame 3 until the two semi-circular rings 6 align to form a complete ring, enclosing the steel pipes to be butt-welded. Then, the stepper motor 31 is started. The stepper motor 31 uses the transmission gear 32 to mesh with the rack plate 11, thereby driving the sliding frame 3 to slide along the support rod 2 to the welding position. Then, the servo motor 73 is started. The servo motor 73 uses the pinion 731 to mesh with the semi-gear ring 61, thereby driving the slide plate 71 to slide along the arc groove 601, thus rotating around the complete ring. During rotation, the CCD camera 74 and the laser elevation sensor 75 are used to accurately scan and position the welding position.

[0032] It is worth noting that: after scanning and measuring distance, the CCD camera 74 and the laser elevation sensor 75 feed the data back to the control box 9. The controller in the control box 9 uses a visual algorithm to calculate the welding position based on the data, and then controls the automatic welding machine to perform precise welding.

[0033] In the embodiments of this utility model, please refer to Figures 1 to 5 The bottom end of the support frame 5 is fixedly installed with a T-shaped foot 51, and the sliding frame 3 is provided with a T-shaped groove 301 that slides with the T-shaped foot 51;

[0034] It should be noted that when the electric rod 4 pushes the support frame 5 to slide on the sliding frame 3, the T-shaped foot 51 slides along the T-shaped groove 301, making the sliding of the support frame 5 more stable.

[0035] In the embodiments of this utility model, please refer to Figures 1 to 5 A mounting plate 76 for mounting a welding robotic arm is detachably installed on the horizontal plate 711;

[0036] It should be noted that the robotic arm capable of automatic welding is mounted on the horizontal plate 711 using the mounting plate 76, which facilitates synchronous welding after positioning.

[0037] In the embodiments of this utility model, please refer to Figures 1 to 5 The frame assembly 8 includes linear guide rails 81 symmetrically mounted on the workbench 1, support beams 82 symmetrically mounted on the linear guide rails 81, and V-grooves 801 formed on the support beams 82.

[0038] A bidirectional threaded rod 83 is rotatably mounted at the top center of the workbench 1, and a power motor 84 is mounted on the workbench 1 to drive the bidirectional threaded rod 83 to rotate. A transmission plate 85 is threaded onto the bidirectional threaded rod 83, and the transmission plate 85 is fixedly connected to the corresponding support beam 82.

[0039] It should be noted that the steel pipes to be butt welded are placed in the V-groove 801 on the support beam 82. When the position of the support beam 82 needs to be adjusted, the power motor 84 is started to drive the bidirectional threaded rod 83 to rotate. The bidirectional threaded rod 83 drives the transmission plate 85 to slide along the bidirectional threaded rod 83, and then the transmission plate 85 drives the two support beams 82 to adjust the distance.

[0040] The working principle of the positioning device for steel pipe welding provided by this utility model is as follows:

[0041] In use, the two steel pipes to be welded are placed on the frame assembly 8. After placement, the control box 9 controls the electric rod 4 to push the support frame 5 to slide along the sliding frame 3 until the two semi-circular rings 6 are joined to form a complete ring, which encloses the steel pipes to be welded. Then, the stepper motor 31 is started. The stepper motor 31 uses the transmission gear 32 to mesh with the rack plate 11, thereby driving the sliding frame 3 to slide along the support rod 2 to the welding position. Then, the servo motor 73 is started. The servo motor 73 uses the pinion 731 to mesh with the semi-gear ring 61, thereby driving the slide plate 71 to slide along the arc groove 601, thereby rotating around the complete ring. During rotation, the CCD camera 74 and the laser elevation sensor 75 are used to accurately scan and position the welding position.

[0042] The welded steel pipe is placed in the V-groove 801 on the support beam 82. When the position of the support beam 82 needs to be adjusted, the power motor 84 is started to drive the bidirectional threaded rod 83 to rotate. The bidirectional threaded rod 83 drives the transmission plate 85 to slide along the bidirectional threaded rod 83, thereby using the transmission plate 85 to drive the two support beams 82 to adjust the distance.

[0043] The circuits and controls involved in this utility model are all existing technologies and will not be described in detail here.

[0044] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A positioning device for welding steel pipes, comprising: A workbench (1) and a control box (9) fixedly installed on one side of the workbench (1); Its characteristic is that it further includes: Support rods (2) are provided in two. The two support rods (2) are symmetrically installed on the upper surface of the workbench (1), and a sliding frame (3) is slidably installed on both support rods (2). Electric rods (4) are symmetrically installed at both ends of the sliding frame (3). Support frames (5) are fixedly installed at the telescopic ends of the two electric rods (4). A semi-circular ring (6) is fixedly installed at the end of the support frame (5) away from the electric rod (4). A semi-tooth ring (61) is fixedly installed on the inner side wall of the semi-circular ring (6), and arc grooves (601) are opened at both ends of the semi-circular ring (6). The two semi-circular rings (6) form a complete ring. A positioning component (7) is installed on the ring. The positioning component (7) includes a sliding plate (71). 1) Two slide plates (71) are provided, and the two slide plates (71) are slidably installed in the arc grooves (601) opened at both ends of the semicircular ring (6). A fixed distance rod (72) is fixedly installed between the two slide plates (71). A servo motor (73) is embedded on one slide plate (71). A small gear (731) is fixedly sleeved on the output end of the servo motor (73). The small gear (731) meshes with the semi-gear ring (61). A horizontal plate (711) is fixedly installed on the other slide plate (71). A CCD camera (74) and a laser elevation sensor (75) are installed on the horizontal plate (711). The electric rod (4), servo motor (73), CCD camera (74) and laser elevation sensor (75) are all electrically connected to the control box (9). A frame assembly (8) for supporting steel pipe welding is mounted on the workbench (1).

2. The locating device for welding steel pipes according to claim 1, wherein A rack plate (11) is fixedly installed on the inner side of the two support rods (2) on the workbench (1). A stepper motor (31) is fixedly installed at both ends of the sliding frame (3). A transmission gear (32) is fixedly installed at the output end of the stepper motor (31). The transmission gear (32) meshes with the corresponding rack plate (11). The stepper motor (31) is electrically connected to the control box (9).

3. The locating device for welding steel pipes according to claim 1, wherein The bottom end of the support frame (5) is fixedly installed with a T-shaped foot (51), and the sliding frame (3) is provided with a T-shaped groove (301) that slides with the T-shaped foot (51).

4. The positioning device for steel pipe welding according to claim 1, characterized in that, A mounting plate (76) for mounting a welding robotic arm is detachably installed on the horizontal plate (711).

5. The positioning device for steel pipe welding according to claim 1, characterized in that, The frame assembly (8) includes linear guide rails (81) symmetrically mounted on the worktable (1), and support beams (82) are symmetrically mounted on the linear guide rails (81).

6. The positioning device for steel pipe welding according to claim 5, characterized in that, The support beam (82) is provided with a V-shaped groove (801).

7. The positioning device for steel pipe welding according to claim 5, characterized in that, A bidirectional threaded rod (83) is rotatably mounted at the top center of the workbench (1), and a power motor (84) for driving the bidirectional threaded rod (83) to rotate is mounted on the workbench (1). A transmission plate (85) is threaded onto the bidirectional threaded rod (83), and the transmission plate (85) is fixedly connected to the corresponding support beam (82).

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