CN223519302U - Weld leveling mechanism for welding large-aperture thin-wall pipe - Google Patents

Abstract

The utility model relates to the technical field of welding processing of thin-wall pipes, in particular to a weld leveling mechanism for welding large-aperture thin-wall pipes, which comprises a workbench, a leveling assembly and two groups of fixing assemblies, wherein each fixing assembly comprises a first telescopic rod, a shell, a driving shaft, an elliptic disc, two movable plates, two sliding rods, two supporting 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 rotatably arranged in the shell, the elliptic disc is fixedly connected with the driving shaft and sleeved on 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, two ends of each spring are fixedly connected with the shell and the movable plate and are respectively sleeved outside the corresponding sliding rods, and the two supporting plates are respectively fixedly connected with the corresponding sliding rods, so that the welded pipe can be fixed in the workbench, the welded pipe is prevented from being deviated, and the treatment effect on the welded pipe is greatly improved.

Description

Weld leveling mechanism for welding large-aperture thin-wall pipe

Technical Field

The utility model relates to the technical field of welding processing of thin-wall pipes, in particular to a weld leveling mechanism for welding a large-aperture thin-wall pipe.

Background

At present, in order to meet the specification requirements of pipelines, particularly the requirements on the weld flatness of the pipelines, a welding leveling process is needed to be carried out on the welded pipe after the welded pipe is welded by a welding base material. In the past, the traditional leveling process usually adopts a cutter to remove the welding scars on the inner wall of the welded pipe, and the welding seam on the outer wall of the welded pipe is treated by adopting a polishing process, but the product with excellent surface quality is difficult to obtain by adopting the cutter to remove and the polishing process, the removing and polishing process is slow and troublesome and laborious, and particularly the inner wall of the welded pipe is leveled, and the leveling operation is difficult to be carried out on the inner wall of the welded pipe manually.

CN210173174U discloses welding seam leveling equipment in prior art patent, which comprises a workbench, the both ends of workstation are equipped with the lead screw backup pad respectively, and the end of workstation is equipped with the electric putter backup pad, be equipped with lead screw mounting groove in the lead screw backup pad, the one end of lead screw mounting groove is equipped with servo motor, and the other end is equipped with the lead screw supporting seat, be equipped with the lead screw in the lead screw mounting groove, the one end and the servo motor of lead screw are connected, the other end is connected with the lead screw supporting seat, be equipped with the cylinder on the lead screw, rotate through servo motor drive lead screw, lead screw drive cylinder and lead screw mounting groove sliding fit, the one end of cylinder is installed on the lead screw, is equipped with outer leveling wheel on the other end, and the outer leveling wheel of drive through the cylinder removes, install electric putter in the electric putter backup pad, be equipped with interior leveling wheel mounting panel on the front end of electric putter, the both ends of interior leveling wheel mounting panel are equipped with interior leveling wheel respectively, move back and forth through electric putter drive.

However, in the above prior art patents, the welded pipe is not fixed in the workbench, and the welded pipe is easily deviated in the workbench when the welding seam is leveled, which affects the treatment effect on the welded pipe.

Disclosure of utility model

The utility model aims to provide a weld leveling mechanism for welding a large-aperture thin-wall pipe, and aims to solve the technical problem that a welded pipe in the prior art is not fixed in a workbench, and the welded pipe is easy to deviate in the workbench when the weld is leveled, so that the treatment effect on the welded pipe can be influenced.

In order to achieve the aim, the welding seam leveling mechanism for welding the large-aperture thin-wall pipe comprises a workbench, leveling components and two groups of fixing components, wherein the leveling components are connected with the workbench and are positioned above the workbench, and the two groups of fixing components are connected with the workbench and are symmetrically arranged above the workbench;

The fixed subassembly includes first telescopic link, shell, drive shaft, oval dish, two fly leaves, two slide bars, two support and hold board and two springs, first telescopic link with workstation fixed connection, the shell with first telescopic link fixed connection, the drive shaft rotate set up in the shell, oval dish with drive shaft fixed connection, and the cover is located the outer wall of drive shaft, the fly leaf all sets up in the shell, every the slide bar respectively with corresponding fly leaf fixed connection, and all activity run through the shell, the both ends of spring respectively with shell with fly leaf fixed connection, and the cover is located respectively the outside of slide bar, two support and hold the board respectively with corresponding slide bar fixed connection, and all be located the outside of shell.

The fixing assembly further comprises two extrusion sponge cushions, wherein the two extrusion sponge cushions are respectively and fixedly connected with the corresponding supporting plates and are respectively positioned on the outer side walls of the supporting plates.

The fixing assembly further comprises a bracket, and the bracket is fixedly connected with the workbench and is positioned in the workbench.

The leveling assembly comprises a traversing unit, a support, a second telescopic rod and a polisher, wherein the work is provided with a limiting groove, the traversing unit is arranged in the limiting groove, the support is connected with the traversing 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.

The transverse moving unit comprises a threaded rod and a sleeve, the threaded rod is rotatably arranged in the limiting groove, the sleeve is sleeved outside the threaded rod and is in threaded fit with the threaded rod, and the sleeve is further in sliding connection with the workbench and is positioned in the limiting groove.

According to the weld leveling mechanism for welding the large-aperture thin-wall pipe, when the weld leveling treatment is carried out on the pipe, the welded pipe is placed in the workbench, two ends of the welded pipe are aligned to the two shells, then the two first telescopic rods are started, each first telescopic rod drives the shell to enter the welded pipe respectively, the driving shafts in the shells are controlled to rotate respectively, the oval plate is driven to rotate by the driving shafts, the large diameter of the oval plate is located between the two movable plates, each movable plate is stressed to drive the sliding rods to move outwards and extrude the springs, each sliding rod drives the corresponding supporting plate to move respectively, and then the two supporting plates on each shell are clung to the inner wall of the welded pipe, so that the welded pipe is fixed, and then the welded pipe is processed through the leveling assembly.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a weld leveling mechanism for welding large-aperture thin-walled tubes of the present utility model.

FIG. 2 is a structural side view of a weld leveling mechanism for welding large-aperture thin-walled tubes of the present utility model.

Fig. 3 is a cross-sectional view of the A-A line structure of fig. 2 in accordance with the present utility model.

Fig. 4 is a cross-sectional view of the B-B line structure of fig. 2 in accordance with the present utility model.

Fig. 5 is a cross-sectional view of the internal structure of the fixing assembly of the present utility model.

101-Workbench, 102-first telescopic rod, 103-shell, 104-driving shaft, 105-oval disc, 106-movable plate, 107-sliding rod, 108-supporting plate, 109-spring, 110-extrusion sponge pad, 111-bracket, 112-bracket, 113-second telescopic rod, 114-polisher, 115-threaded rod, 116-sleeve, 117-limit groove, 118-first motor, 119-second motor.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Referring to fig. 1-5, the utility model provides a weld leveling mechanism for welding a large-aperture thin-wall pipe, which comprises a workbench 101, leveling components and two groups of fixing components, wherein the leveling components are connected with the workbench 101 and are positioned above the workbench 101, and the two groups of fixing components are connected with the workbench 101 and are symmetrically arranged above the workbench 101;

The fixed assembly comprises a first telescopic rod 102, a housing 103, a driving shaft 104, an oval plate 105, two movable plates 106, two sliding rods 107, two supporting plates 108 and two springs 109, wherein the first telescopic rod 102 is fixedly connected with the workbench 101, the housing 103 is fixedly connected with the first telescopic rod 102, the driving shaft 104 is rotationally arranged in the housing 103, the oval plate 105 is fixedly connected with the driving shaft 104 and sleeved on the outer wall of the driving shaft 104, the movable plates 106 are arranged in the housing 103, each sliding rod 107 is respectively fixedly connected with the corresponding movable plate 106 and movably penetrates through the housing 103, two ends of each spring 109 are respectively fixedly connected with the housing 103 and the movable plate 106 and respectively sleeved on the outer part of each sliding rod 107, and the two supporting plates 108 are respectively fixedly connected with the corresponding sliding rods 107 and are respectively positioned on the outer part of the housing 103.

In this embodiment, when the pipe is flattened, the welded pipe is first placed in the workbench 101, two ends of the welded pipe are aligned to two shells 103, then two first telescopic rods 102 are started, each first telescopic rod 102 drives the shell 103 to enter the welded pipe, then first motors 118 in the shells 103 are started, the first motors 118 control the driving shafts 104 to rotate in the shells 103, the elliptical disk 105 is driven by the driving shafts 104 to rotate, the sliding rods 107 are driven to move outwards by the stress of each movable plate 106 by making the major diameter of the elliptical disk 105 be located between the two movable plates 106, and the springs 109 are extruded, each sliding rod 107 drives the supporting plates 108 to move, and then the two supporting 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 flattened by the flattening assembly, wherein the first telescopic rods 102 are electric push rods, and the welded pipe is prevented from being greatly shifted in the workbench 101.

Further, the fixing assembly further includes two pressing sponge pads 110, and the two pressing sponge pads 110 are respectively and fixedly connected to the corresponding supporting plates 108 and are respectively located on the outer side walls of the supporting plates 108.

In this embodiment, by providing the squeeze sponge pad 110 on the outer side of the holding plate 108, friction between the holding plate 108 and the inner wall of the welded pipe can be increased by the squeeze sponge pad 110, and the welded pipe can be more firmly held in the table 101.

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

In this embodiment, by providing the bracket 111 in the table 101, the butt welding pipe can be supported by the bracket 111, so that the stability of the butt welding pipe in the table 101 is improved, and when the butt welding pipe is fixed, the butt welding pipe can be positioned above the bracket 111 first and then fixed, so that the operation is very simple.

Further, the leveling assembly comprises a traversing unit, a support 112, a second telescopic rod 113 and a polisher 114, wherein the traversing unit is provided with a limit groove 117, the support 112 is connected with the traversing unit, the second telescopic rod 113 is fixedly connected with the support 112, the polisher 114 is connected with the second telescopic rod 113 and is located above the workbench 101, the traversing unit comprises a threaded rod 115 and a sleeve 116, the threaded rod 115 is rotatably arranged in the limit groove 117, the sleeve 116 is sleeved outside the threaded rod 115 and is in threaded fit with the threaded rod 115, and the sleeve 116 is also in sliding connection with the workbench 101 and is located in the limit groove 117.

In this embodiment, during the treatment of the fixed welded pipe, the second motor 119 is started to control the threaded rod 115 to rotate in the limit groove 117, and since the sleeve 116 is in threaded fit with the threaded rod 115, the sleeve 116 will transversely move in the limit groove 117 and drive the support 112 to move, and simultaneously, the second telescopic rod 113 on the support 112 is started, and the second telescopic rod 113 drives the polisher 114 to move downwards to perform the leveling treatment of the welded pipe, wherein the second telescopic rod 113 is an electric push rod.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.

Claims (5)

1. The weld leveling mechanism for welding the large-aperture thin-wall pipe comprises a workbench and a leveling component, wherein the leveling component is connected with the workbench and is positioned above the workbench,

The device also comprises two groups of fixing components, wherein the two groups of fixing components are connected with the workbench and are symmetrically arranged above the workbench;

The fixed subassembly includes first telescopic link, shell, drive shaft, oval dish, two fly leaves, two slide bars, two support and hold board and two springs, first telescopic link with workstation fixed connection, the shell with first telescopic link fixed connection, the drive shaft rotate set up in the shell, oval dish with drive shaft fixed connection, and the cover is located the outer wall of drive shaft, the fly leaf all sets up in the shell, every the slide bar respectively with corresponding fly leaf fixed connection, and all activity run through the shell, the both ends of spring respectively with shell with fly leaf fixed connection, and the cover is located respectively the outside of slide bar, two support and hold the board respectively with corresponding slide bar fixed connection, and all be located the outside of shell.

2. The weld leveling mechanism for welding large-aperture thin-wall pipes according to claim 1, wherein,

The fixing assembly further comprises two extrusion sponge cushions, and the two extrusion sponge cushions are respectively and fixedly connected with the corresponding supporting plates and are respectively positioned on the outer side walls of the supporting plates.

3. The weld leveling mechanism for welding the large-aperture thin-walled tube according to claim 2,

The fixing assembly further comprises a bracket, and the bracket is fixedly connected with the workbench and is positioned in the workbench.

4. The weld leveling mechanism for welding large-aperture thin-wall pipes according to claim 1, wherein,

The leveling assembly comprises a traversing unit, a support, a second telescopic rod and a polisher, wherein the work is provided with a limiting groove, the traversing unit is arranged in the limiting groove, the support is connected with the traversing 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.

5. The weld leveling mechanism for welding the large-aperture thin-walled tube according to claim 4,

The transverse moving unit comprises a threaded rod and a sleeve, the threaded rod is rotatably arranged in the limiting groove, the sleeve is sleeved outside the threaded rod and is in threaded fit with the threaded rod, and the sleeve is further in sliding connection with the workbench and is positioned in the limiting groove.