Marine L-shaped plate butt welding workstation

Abstract

The utility model provides a marine L-shaped plate butt welding work station which can effectively improve butt welding work efficiency, can finely control welding seam gaps and guarantees welding quality. Comprising a first conveying station and a second conveying station which are used for conveying L-shaped workpieces in the same direction, the first conveying station comprises a welding workbench, one end of the welding workbench is provided with a sliding mechanism for driving the workpieces to linearly slide, and the other end of the welding workbench is provided with a pushing mechanism for pushing the workpieces to the position of the sliding mechanism. The first conveying station and the second conveying station are arranged side by side and are the same in structure, the welding robot is located on the butt joint side of the first conveying station and the second conveying station, and a welding seam partition plate is arranged between the first conveying station and the second conveying station and connected with a lifting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of ship plate butt welding, in particular to a ship L-shaped plate butt welding workstation. Background Art

[0002] In the shipbuilding industry, welding hours generally account for 20% to 40% of the total hours, and welding costs account for 30% to 50% of the total cost of shipbuilding. Therefore, improving the efficiency and quality of ship welding has become an urgent need for the shipbuilding industry. Laser welding technology has high power density, fast welding speed, low line energy input, and small post-welding deformation and residual stress. While improving the welding efficiency of shipbuilding, it can also improve the quality of welding and the accuracy of shipbuilding, becoming the most energy-saving, efficient, and high-quality welding technology with the greatest development potential in the shipbuilding industry.

[0003] Generally, laser welding requires high assembly accuracy, and the gap and groove control are also relatively strict. However, the actual situation is that the welding workstation in the existing technology is not convenient for assisting in adjusting the position of the workpiece and fixing it, making it difficult to ensure that the position and assembly accuracy of the workpiece remain consistent whether during clamping and positioning or during the welding process. This is especially true when the welded structural workpiece is thin and the splicing weld is long, such as an L-shaped plate. This results in a large welding workload, affects welding efficiency, and is unable to precisely control the weld gap, which in turn affects the welding quality. Utility Model Content

[0004] In view of the above problems, the utility model provides a marine L-shaped plate butt welding workstation, which can effectively improve the butt welding work efficiency, and can precisely control the weld gap to ensure the welding quality.

[0005] The utility model adopts the following technical scheme: a marine L-shaped plate butt welding workstation, comprising a first conveying station and a second conveying station for conveying the L-shaped workpiece in the same direction, the first conveying station comprising a welding workbench, one end of the welding workbench is provided with a sliding mechanism for driving the workpiece to slide linearly, the other end of the welding workbench is provided with a pushing mechanism for pushing the workpiece to the position of the sliding mechanism, the first conveying station and the second conveying station are arranged side by side and have the same structure, the welding robot is located at the butt side of the first conveying station and the second conveying station, a weld partition is provided between the first conveying station and the second conveying station, and the weld partition is connected to the lifting mechanism.

[0006] Further, the sliding mechanism includes a plurality of vertical rollers arranged along the conveying direction of the workpiece, the vertical rollers are fixed to one end of the welding workbench through a bracket, the welding workbench is provided with a guide support plate arranged along the length direction of the welding workbench, and a gap is left between the guide support plate and the vertical rollers; the installation height of the vertical rollers is greater than the placement height of the workpiece;

[0007] Furthermore, the guide support plate is J-shaped, and a wear-resistant layer is provided on the top surface of the guide support plate;

[0008] Furthermore, the pushing mechanism includes a push-pull cylinder and a group plate. The push-pull cylinder is installed at the other end of the welding workbench, and the push-pull cylinder is connected to the group plate. A plurality of push plates are installed on the group plate. The height of the push plate is greater than the placement height of the workpiece.

[0009] Furthermore, a guide rod is installed between the two ends of the welding workbench, a guide piece is installed at the bottom of the assembly plate, and the guide rod passes through the guide piece;

[0010] Furthermore, a clamping and positioning mechanism is installed on the welding workbench, and the clamping and positioning mechanism includes a rotating cylinder, a pressing plate is connected to the rotating cylinder, and is driven by the rotating cylinder to press on the surface of the workpiece;

[0011] Furthermore, the welding workbenches of the first conveying station and the second conveying station are both fixedly supported by a frame, the frames between the first conveying station and the second conveying station are connected by a crossbeam, and the lifting mechanism is installed on the crossbeam;

[0012] Further, the lifting mechanism comprises a lifting cylinder and a bottom plate connected to the lifting cylinder, and the weld partition is mounted on the bottom plate;

[0013] Furthermore, the weld partition is in an inverted T shape, a welding gap is left between the welding workbenches of the first conveying station and the second conveying station, and the width of the bottom plate is not greater than the width of the welding gap;

[0014] Furthermore, a slide rail is arranged on the frame between the first conveying station and the second conveying station, connecting plates are fixed at both ends of the bottom of the base plate, a slider is slidably mounted on the slide rail, and the connecting plate is correspondingly connected to the slider.

[0015] The beneficial effect of the utility model is that the L-shaped workpiece can be transported through the first transport station and the second transport station to the required welding position, and the workpiece can be pushed by the pushing mechanism to ensure the position of the workpiece, thereby improving the assembly accuracy. In addition, the weld partition is driven up and down by the lifting mechanism to effectively ensure the weld gap, thereby facilitating the adjustment and fixation of the workpiece position, improving the work efficiency of butt welding, ensuring the welding quality, and having good economic use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall assembly structure of the utility model;

[0017] Figure 2 It is a side view of the utility model;

[0018] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure at point A;

[0019] Figure 4 It is a schematic diagram of the overall structure after the workpiece is hidden in the utility model;

[0020] Figure 5 yes Figure 4 The enlarged structural diagram at B in FIG.

[0021] Figure 6 It is a partial enlarged structural schematic diagram of the lifting mechanism after assembly in the utility model. DETAILED DESCRIPTION

[0022] like Figure 1 to Figure 6 As shown, the marine L-type plate butt welding workstation of the utility model comprises a first conveying station 2 and a second conveying station 3 for conveying the L-shaped workpiece 1 in the same direction. The first conveying station 2 comprises a welding workbench 4. A sliding mechanism 5 for driving the workpiece 1 to slide linearly is provided at one end of the welding workbench 4. A pushing mechanism 6 for pushing the workpiece 1 to the position of the sliding mechanism 5 is provided at the other end of the welding workbench 4. The first conveying station 2 and the second conveying station 3 are arranged side by side and have the same structure. A welding robot 7 is located at the butt joint side of the first conveying station 2 and the second conveying station 3. A weld partition 8 is provided between the first conveying station 2 and the second conveying station 3, and the weld partition 8 is connected to a lifting mechanism 9.

[0023] The sliding mechanism 5 includes a plurality of vertical rollers 10 arranged along the conveying direction of the workpiece 1. The vertical rollers 10 are fixed to one end of the welding workbench 4 through a bracket 11. The welding workbench 4 is provided with a guide support plate 12 arranged along the length direction of the welding workbench 4. A gap 29 is left between the guide support plate 12 and the vertical rollers 10. The installation height of the vertical rollers 10 is greater than the placement height of the workpiece 1. The guide support plate 12 is J-shaped, and an anti-wear layer is provided on the top surface of the guide support plate 12. The overall material of the guide support plate 12 can also be selected from wear-resistant materials, such as silicone, rubber, etc.

[0024] The pushing mechanism 6 includes a push-pull cylinder 13 and a plate assembly 14. The push-pull cylinder 13 is installed at the other end of the welding workbench 4. The push-pull cylinder 13 is connected to the plate assembly 14. A plurality of push plates 15 are installed on the plate assembly 14. The height of the push plate 15 is greater than the placement height of the workpiece 1. A guide rod 16 is installed between the two ends of the welding workbench 4. A guide member 17 is installed at the bottom of the plate assembly 14. The guide rod 16 passes through the guide member 17.

[0025] A clamping and positioning mechanism 18 is installed on the welding workbench 4. The clamping and positioning mechanism 18 includes a rotating cylinder 19. A pressing plate 20 is connected to the rotating cylinder 19 and is driven by the rotating cylinder 19 to press on the surface of the workpiece 1.

[0026] The welding workbenches 4 of the first conveying station 2 and the second conveying station 3 are both fixedly supported by the frame 21, the frames 21 between the first conveying station 2 and the second conveying station 3 are connected by a cross beam 22, and the lifting mechanism 9 is installed on the cross beam 22; the lifting mechanism 9 includes a lifting cylinder 23 and a bottom plate 24 connected to the lifting cylinder 23, and the weld partition 8 is installed on the bottom plate 24; the weld partition 8 is in an inverted T shape, and a welding spacing 25 is left between the welding workbenches 4 of the first conveying station 2 and the second conveying station 3, and the width of the bottom plate 24 is not greater than the width of the welding spacing 25; a slide rail 26 is arranged on the frame 21 between the first conveying station 2 and the second conveying station 3, and connecting plates 27 are fixed at both ends of the bottom of the bottom plate 24, and sliders 28 are slidably assembled on the slide rail 26, and the connecting plates 27 are correspondingly connected to the sliders 28.

[0027] The working process of the utility model is that one end of the L-shaped workpiece 1 is placed within the spacing 29, and then the two L-shaped workpieces 1 (that is, the marine L-shaped plates) are transported in turn through the sliding mechanisms 5 of the first conveying station 2 and the second conveying station 3 until they reach the set position, that is, the position between the two L-shaped workpieces 1 that needs to be welded is located directly below the welding robot 7, and then the pushing mechanism 6 works to push the assembly plate 14 and the push plate 15 thereon toward the workpiece 1 until the workpiece 1 is pushed to a suitable position, and then the clamping and positioning mechanism 18 is actuated to rotate the pressing plate 20 until it is pressed against the surface of the workpiece 1 to fix the position of the workpiece 1 for easy welding operation; at the same time, the lifting mechanism 9 drives the weld partition 8 to rise and fall, and can finely control the weld spacing, and when welding is required, the weld partition 8 descends, and then the welding robot 7 performs the welding operation; in summary, the utility model can effectively realize the position adjustment and fixation of the workpiece 1, so that during the clamping and positioning or welding process, the position and assembly accuracy of the workpiece 1 can always remain consistent, thereby improving the efficiency of butt welding and ensuring the welding quality.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. Marine L-type plate butt welding workstation, characterized by: It includes a first conveying station and a second conveying station for conveying L-shaped workpieces in the same direction. The first conveying station includes a welding workbench. A sliding mechanism for driving the workpiece to slide linearly is provided at one end of the welding workbench. A pushing mechanism for pushing the workpiece to the position of the sliding mechanism is provided at the other end of the welding workbench. The first conveying station and the second conveying station are arranged side by side and have the same structure. The welding robot is located on the docking side of the first conveying station and the second conveying station. A weld partition is provided between the first conveying station and the second conveying station, and the weld partition is connected to the lifting mechanism.

2. The marine L-shaped plate butt welding workstation according to claim 1 is characterized in that: The sliding mechanism includes a plurality of vertical rollers arranged along the conveying direction of the workpiece, the vertical rollers are fixed to one end of the welding workbench through a bracket, and the welding workbench is provided with a guide support plate arranged along the length direction of the welding workbench, and a spacing is left between the guide support plate and the vertical rollers; the installation height of the vertical rollers is greater than the placement height of the workpiece.

3. The marine L-shaped plate butt welding workstation according to claim 2 is characterized in that: The guide support plate is J-shaped, and a wear-resistant layer is provided on the top surface of the guide support plate.

4. The marine L-shaped plate butt welding workstation according to claim 1, characterized in that: The pushing mechanism includes a push-pull cylinder and a group plate. The push-pull cylinder is installed at the other end of the welding workbench. The push-pull cylinder is connected to the group plate. A plurality of push plates are installed on the group plate. The height of the push plate is greater than the placement height of the workpiece.

5. The marine L-shaped plate butt welding workstation according to claim 4 is characterized in that: A guide rod is arranged between the two ends of the welding workbench, a guide piece is arranged at the bottom of the assembly plate, and the guide rod passes through the guide piece.

6. The marine L-shaped plate butt welding workstation according to claim 1, characterized in that: The welding workbench is equipped with a clamping and positioning mechanism, which includes a rotating cylinder. A pressing plate is connected to the rotating cylinder and is driven by the rotating cylinder to press on the surface of the workpiece.

7. The marine L-shaped plate butt welding workstation according to claim 1, characterized in that: The welding workbenches of the first conveying station and the second conveying station are both fixedly supported by a frame, the frames between the first conveying station and the second conveying station are connected by a crossbeam, and the lifting mechanism is installed on the crossbeam.

8. The marine L-shaped plate butt welding workstation according to claim 7, characterized in that: The lifting mechanism comprises a lifting cylinder and a bottom plate connected to the lifting cylinder, and the weld partition is mounted on the bottom plate.

9. The marine L-shaped plate butt welding workstation according to claim 8, characterized in that: The weld partition is in an inverted T shape, a welding gap is left between the welding workbenches of the first conveying station and the second conveying station, and the width of the bottom plate is not greater than the width of the welding gap.

10. The marine L-shaped plate butt welding workstation according to claim 8, characterized in that: A slide rail is arranged on the frame between the first conveying station and the second conveying station, connecting plates are fixed at both ends of the bottom of the base plate, a slider is slidably mounted on the slide rail, and the connecting plate is correspondingly connected to the slider.

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