Weld joint leveling mechanism for large-aperture thin-walled tube welding

Abstract

The utility model relates to the technical field of thin-walled tube welding processing, in particular to a welding seam leveling mechanism for large-aperture thin-walled tube welding. Comprising a workbench, a leveling assembly and two fixing assemblies, each fixing assembly comprises a first telescopic rod, a shell, a driving shaft, an oval disc, two movable plates, two sliding rods, two abutting plates and two springs, the first telescopic rods are fixedly connected with the workbench, the shells are fixedly connected with the first telescopic rods, and the driving shafts are rotationally arranged in the shells; the elliptical disc is fixedly connected with the driving shaft and sleeves the outer wall of the driving shaft, the movable plates are arranged in the shell, each sliding rod is fixedly connected with the corresponding movable plate and movably penetrates through the shell, and the two ends of the springs are fixedly connected with the shell and the movable plates respectively and sleeve the sliding rods respectively. And the two abutting plates are fixedly connected with the corresponding sliding rods correspondingly, so that a welded pipe can be fixed in the workbench, the welded pipe is prevented from deviating, and the treatment effect on the welded pipe is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to thin -walled pipe welding processing technical field especially relates to a big aperture thin -walled pipe welding's weld level mechanism. BACKGROUND

[0002] At present, in order to meet the specification requirement of pipeline, especially the requirement of weld flatness, after the welding of base material, the welded pipe needs to be processed by weld leveling technology. The traditional leveling technology often adopts a tool to shovel off the welding scar on the inner wall of the welded pipe, and the weld on the outer wall of the welded pipe is processed by polishing technology. However, it is difficult to obtain a product with excellent surface quality by using the tool to shovel off and polishing technology, and the shoveling and polishing process is slow, troublesome and laborious, especially for leveling the inner wall of the welded pipe, it is difficult for manual operation to level the inner wall of the welded pipe.

[0003] In the prior art patent CN210173174U discloses a weld leveling device, which comprises a workbench, two ends of the workbench are respectively provided with screw rod support plates, and the end of the workbench is provided with an electric push rod support plate, a screw rod mounting groove is arranged on the screw rod support plate, one end of the screw rod mounting groove is provided with a servo motor, and the other end is provided with a screw rod support seat, a screw rod is arranged in the screw rod mounting groove, one end of the screw rod is connected with the servo motor, and the other end is connected with the screw rod support seat, a pneumatic cylinder is arranged on the screw rod, the screw rod is driven to rotate by the servo motor, the pneumatic cylinder is slidably connected with the screw rod mounting groove by the screw rod, one end of the pneumatic cylinder is mounted on the screw rod, and the other end is provided with an outer leveling wheel, the outer leveling wheel is driven to move by the pneumatic cylinder, an electric push rod is mounted on the electric push rod support plate, an inner leveling wheel mounting plate is arranged on the front end of the electric push rod, and inner leveling wheels are arranged at both ends of the inner leveling wheel mounting plate, the inner leveling wheels are driven to move forward and backward by the electric push rod.

[0004] However, in the above prior art patent, the welded pipe is not fixed in the workbench, and the welded pipe is prone to shift in the workbench during weld leveling, which affects the processing effect of the welded pipe. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of weld leveling mechanisms of big aperture thin -walled pipe welding, to solve the technical problem that welded pipe in prior art in workbench is not fixed, welded pipe is prone to shift in workbench during weld leveling, which affects the processing effect of the welded pipe.

[0006] To achieve the above object, a kind of weld leveling mechanisms of big aperture thin -walled pipe welding is used in the utility model, including workbench, leveling assembly and two groups of fixed components, the leveling assembly is connected with the workbench, and located above the workbench, two groups of the fixed components are connected with the workbench, and symmetrically set in the upper of the workbench;

[0007] The fixed assembly comprises a first telescopic rod, a shell, a driving shaft, an oval disc, two movable plates, two slide rods, two abutting plates and two springs, the first telescopic rod is fixedly connected with the workbench, the shell is fixedly connected with the first telescopic rod, the driving shaft is rotationally arranged in the shell, the oval disc is fixedly connected with the driving shaft and is sleeved on the outer wall of the driving shaft, the movable plates are arranged in the shell, each slide rod is fixedly connected with a corresponding movable plate and is movably penetrated through the shell, the two ends of each spring are fixedly connected with the shell and the movable plate respectively and are sleeved on the outside of the slide rod, and the abutting plates are fixedly connected with the slide rods and are located outside the shell.

[0008] The fixed assembly further comprises two extruded sponge pads, the extruded sponge pads are fixedly connected with the abutting plates and are located on the outer side walls of the abutting plates.

[0009] The fixed assembly further comprises a bracket, the bracket is fixedly connected with the workbench and is located in the workbench.

[0010] The leveling assembly comprises a horizontal moving unit, a support, a second telescopic rod and a polisher, the work tool is provided with a limiting groove, the horizontal moving unit is arranged in the limiting groove, the support is connected with the horizontal moving unit, the second telescopic rod is fixedly connected with the support, and the polisher is connected with the second telescopic rod and is located above the workbench.

[0011] The horizontal moving unit comprises a threaded rod and a sleeve, the threaded rod is rotationally arranged in the limiting groove, the sleeve is sleeved on the outside of the threaded rod and is threadedly connected with the threaded rod, and the sleeve is further slidably connected with the workbench and is located in the limiting groove.

[0012] The welding seam leveling mechanism for large-diameter thin-walled pipe welding can fix the welding pipe in the workbench, prevent the welding pipe from deviating and greatly improve the processing effect on the welding pipe. BRIEF DESCRIPTION OF DRAWINGS

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the weld seam leveling mechanism for welding large-diameter thin-walled tubes according to this utility model.

[0015] Figure 2 This is a side view of the structure of the weld leveling mechanism for welding large-diameter thin-walled tubes according to this utility model.

[0016] Figure 3 This is the utility model Figure 2 A cross-sectional view of the AA line structure.

[0017] Figure 4 This is the utility model Figure 2 BB line structural cross-sectional view.

[0018] Figure 5 This is a cross-sectional view of the internal structure of the fixing component of this utility model.

[0019] 101-Workbench, 102-First telescopic rod, 103-Outer shell, 104-Drive shaft, 105-Elliptical disc, 106-Moving plate, 107-Slide rod, 108-Supporting plate, 109-Spring, 110-Compressed sponge pad, 111-Bracket, 112-Support, 113-Second telescopic rod, 114-Polisher, 115-Threaded rod, 116-Sleeve, 117-Limiting groove, 118-First motor, 119-Second motor. Detailed Implementation

[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0021] Please see Figures 1-5 This utility model provides a weld leveling mechanism for welding large-diameter thin-walled tubes, including a worktable 101, a leveling component and two sets of fixing components. The leveling component is connected to the worktable 101 and is located above the worktable 101. Both sets of fixing components are connected to the worktable 101 and are symmetrically arranged above the worktable 101.

[0022] The fixing assembly comprises a first telescopic rod 102, a shell 103, a drive shaft 104, an elliptical disc 105, two movable plates 106, two slide rods 107, two abutting plates 108 and two springs 109, the first telescopic rod 102 is fixedly connected with the workbench 101, the shell 103 is fixedly connected with the first telescopic rod 102, the drive shaft 104 is rotationally arranged in the shell 103, the elliptical disc 105 is fixedly connected with the drive shaft 104 and is sleeved on the outer wall of the drive shaft 104, the movable plate 106 is arranged in the shell 103, each slide rod 107 is fixedly connected with the corresponding movable plate 106 and is movably penetrated through the shell 103, the spring 109 is fixedly connected with the shell 103 and the movable plate 106 at two ends and is sleeved on the outside of the slide rod 107, and the abutting plate 108 is fixedly connected with the corresponding slide rod 107 and is located outside the shell 103.

[0023] In the embodiment, when the pipeline is subjected to the weld flattening treatment, the welded pipe is first placed in the workbench 101, the two ends of the welded pipe are aligned with the two shells 103, then the two first telescopic rods 102 are started, the shell 103 is driven into the welded pipe by the first telescopic rod 102, then the first motor 118 in the shell 103 is started, the drive shaft 104 is controlled to rotate in the shell 103 by the first motor 118, the elliptical disc 105 is driven to rotate by the drive shaft 104, the large diameter of the elliptical disc 105 is located between the two movable plates 106, the movable plate 106 is driven to move outward and press the spring 109, the slide rod 107 is driven to move by the abutting plate 108, then the two abutting plates 108 on each shell 103 are tightly attached to the inner wall of the welded pipe, so that the welded pipe is fixed, and then the welded pipe is treated by the flattening assembly, wherein the first telescopic rod 102 is an electric push rod, by the above-mentioned mode, the welded pipe can be fixed in the workbench 101, the welded pipe is prevented from deviating, and the treatment effect of the welded pipe is greatly improved.

[0024] Further, the fixing assembly further comprises two extrusion sponge pads 110, the extrusion sponge pad 110 is fixedly connected with the corresponding abutting plate 108 and is located on the outer side wall of the abutting plate 108.

[0025] In the embodiment, by arranging the extrusion sponge pad 110 on the outer side of the abutting plate 108, the friction between the abutting plate 108 and the inner wall of the welded pipe is increased by the extrusion sponge pad 110, and the welded pipe is more stable in the workbench 101.

[0026] Further, the fixing assembly further comprises a bracket 111, which is fixedly connected with the workbench 101 and located in the workbench 101.

[0027] In the embodiment, the bracket 111 is arranged in the workbench 101, so that the bracket 111 can assist in supporting the welded pipe, the stability of the welded pipe in the workbench 101 is improved, and the welded pipe can be fixed by being first placed above the bracket 111, which is very convenient.

[0028] Further, the leveling assembly comprises a horizontal moving unit, a support 112, a second telescopic rod 113 and a polisher 114, the work implement is provided with a limiting groove 117, the horizontal moving unit is arranged in the limiting groove 117, the support 112 is connected with the horizontal moving unit, the second telescopic rod 113 is fixedly connected with the support 112, and the polisher 114 is connected with the second telescopic rod 113 and located above the workbench 101; the horizontal moving unit comprises a threaded rod 115 and a sleeve 116, the threaded rod 115 is rotationally arranged in the limiting groove 117, the sleeve 116 is sleeved outside the threaded rod 115 and threadedly matched with the threaded rod 115, and the sleeve 116 is also slidably connected with the workbench 101 and located in the limiting groove 117.

[0029] In the embodiment, when the fixed welded pipe is processed, the second motor 119 outside the workbench 101 is started, the second motor 119 controls the threaded rod 115 to rotate in the limiting groove 117, the sleeve 116 is horizontally moved in the limiting groove 117 due to the threaded cooperation between the sleeve 116 and the threaded rod 115, the support 112 is driven to move, the second telescopic rod 113 on the support 112 is started, the second telescopic rod 113 drives the polisher 114 to move downward to perform the welded joint leveling process on the welded pipe, and the second telescopic rod 113 is an electric push rod.

[0030] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and those skilled in the art can understand that all or part of the processes of the above embodiment can be implemented, and equivalent changes made according to the utility model claims still belong to the range covered by the utility model.

Claims

1. A large aperture thin wall pipe welding weld leveling mechanism comprising a workbench and a leveling assembly, the leveling assembly is connected with the workbench and located above the workbench, characterized in that, It also includes two sets of fixing assemblies, both of which are connected with the workbench and symmetrically arranged above the workbench; The fixing assembly comprises a first telescopic rod, a shell, a drive shaft, an oval disc, two movable plates, two slide rods, two abutting plates and two springs, the first telescopic rod is fixedly connected with the workbench, the shell is fixedly connected with the first telescopic rod, the drive shaft is rotatably arranged in the shell, the oval disc is fixedly connected with the drive shaft and sleeved on the outer wall of the drive shaft, the movable plates are arranged in the shell, each slide rod is fixedly connected with the corresponding movable plate and movably penetrates the shell, the ends of the springs are fixedly connected with the shell and the movable plate respectively and sleeved on the outside of the slide rod, and the abutting plates are fixedly connected with the corresponding slide rods and located outside the shell.

2. The large aperture thin wall pipe welding weld leveling mechanism according to claim 1, characterized in that, The fixing assembly further comprises two extrusion sponge pads, the extrusion sponge pads are fixedly connected with the corresponding abutting plates and located on the outer side wall of the abutting plates.

3. The large aperture thin wall pipe welding weld leveling mechanism according to claim 2, characterized in that, The fixing assembly further comprises a bracket, the bracket is fixedly connected with the workbench and located in the workbench.

4. The large aperture thin wall pipe welding weld leveling mechanism according to claim 1, characterized in that, The leveling assembly comprises a horizontal moving unit, a bracket, a second telescopic rod and a polisher, the workbench has a limiting groove, the horizontal moving unit is arranged in the limiting groove, the bracket is connected with the horizontal moving unit, the second telescopic rod is fixedly connected with the bracket, and the polisher is connected with the second telescopic rod and located above the workbench.

5. The large aperture thin wall pipe welding weld leveling mechanism according to claim 4, characterized in that, The horizontal moving unit comprises a threaded rod and a sleeve, the threaded rod is rotatably arranged in the limiting groove, the sleeve is sleeved on the outside of the threaded rod and threadedly matched with the threaded rod, and the sleeve is also slidably connected with the workbench and located in the limiting groove.

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