CN220636855U - Pipe fitting welding seam centering device - Google Patents
Pipe fitting welding seam centering device Download PDFInfo
- Publication number
- CN220636855U CN220636855U CN202321213508.0U CN202321213508U CN220636855U CN 220636855 U CN220636855 U CN 220636855U CN 202321213508 U CN202321213508 U CN 202321213508U CN 220636855 U CN220636855 U CN 220636855U
- Authority
- CN
- China
- Prior art keywords
- inclined plane
- welding
- positioning piece
- weld
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 84
- 239000011324 bead Substances 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model relates to the technical field of welding devices, and provides a pipe fitting welding seam centering device which comprises a positioning piece, wherein the positioning piece is in an arc shape, and the size of the arc shape is matched with the pipe diameter of a pipe fitting to be welded; the positioning piece is provided with a through channel along the circumferential direction, the through channel is positioned at the middle position of the positioning piece, and the through channel is used for feeding welding wires for injection; the locating piece is equipped with first inclined plane and second inclined plane, and first inclined plane and second inclined plane are laid about the axis symmetry of locating piece, and first inclined plane and second inclined plane are used for laminating with the welding face of two pipe fittings that wait to weld respectively to two wait to weld the pipe fitting and fix a position centering. The positioning piece is used for positioning the two pipe fittings to be welded, the through channel of the positioning piece is located at the middle position of the positioning piece, and an injection space is provided for the welding wire, so that the welding wire is placed in the center of a welding bead of the two pipe fittings to be welded through the through channel, the defect of centering precision caused by manual visual centering is prevented, the centering precision of the welding wire is improved, and the quality of welding seams is further improved.
Description
Technical Field
The utility model relates to the technical field of welding devices, in particular to a device for centering welding seams of pipe fittings.
Background
For the tubular members, two metal tubular members with the same diameter are usually connected into a whole by welding according to the use function or requirement.
In practical operation, during the welding process of the metal tubular parts, the two metal tubular parts to be welded are required to be kept coaxial. Meanwhile, because the welding specifications of the welding materials are different when the metal round pipes with different thicknesses and different materials are welded, the gap between the two parts to be reserved needs to be determined according to the welding specifications during welding so as to facilitate welding penetration. The welding wire is required to be aligned with the centers of the two-station welding beads during welding, so that the quality of welding line alignment and welding fusion is ensured. In the prior art, the conventional method is to adopt a manual visual method to adjust the welding gun left and right, so that the welding wire is positioned approximately in the middle of the welding bead to directly weld, and in the process, the welding wire centering completely depends on manual visual, so that the welding wire centering accuracy is poor, and the quality of the welding seam is poor.
In view of the above, it is necessary to design a device for assisting in wire centering when welding tubular members, so that the accuracy of wire centering can be improved, and the quality of the weld joint can be improved.
Disclosure of Invention
Based on the expression, the utility model provides a pipe fitting welding seam centering device, which aims to solve the technical problem of poor welding seam quality caused by poor welding seam centering precision due to the fact that welding seam centering is performed by completely relying on manual visual observation.
The technical scheme for solving the technical problems is as follows:
the pipe fitting welding seam centering device comprises a positioning piece, wherein the positioning piece is in a circular arc shape, and the size of the circular arc shape is matched with the pipe diameter of a pipe fitting to be welded; the positioning piece is provided with a through channel along the circumferential direction, the through channel is positioned at the middle position of the positioning piece, and the through channel is used for feeding welding wires for injection;
the locating piece is equipped with first inclined plane and second inclined plane, first inclined plane with the second inclined plane is about the axis symmetry of locating piece is laid, first inclined plane with the second inclined plane is used for respectively with two wait to weld the joint face laminating of pipe fitting to two wait to weld the pipe fitting and fix a position the centering.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, one end of the through channel along the circumferential direction is in an open shape.
Further, the width of the through channel is 0.1-0.4 mm larger than the diameter of the welding wire.
Further, the width of the through passage is 0.2mm larger than the diameter of the welding wire.
Further, the positioning piece is further provided with a through hole, the through hole is formed in the through channel, and the aperture of the through hole is larger than the width of the through channel.
Further, the width of the bottom surface of the positioning piece is matched with the nominal diameter of the pipe fitting to be welded.
Further, a groove is formed in the bottom of the positioning piece along the axial direction.
Further, the positioning piece is further provided with a third inclined plane and a fourth inclined plane, and the third inclined plane and the fourth inclined plane are respectively arranged at two edges of the top of the positioning piece.
Further, the pipe fitting weld joint centering device further comprises a holding piece, and one end of the holding piece is connected with the positioning piece.
Further, the pipe fitting weld joint centering device further comprises a connecting piece, two ends of the connecting piece are respectively connected with one end of the holding piece and the top surface of the positioning piece, and the holding piece is connected with the positioning piece through the connecting piece.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
the utility model provides a pipe fitting weld joint centering device, which is used for positioning two pipe fittings to be welded through a positioning piece, the two pipe fittings to be welded are kept coaxial by utilizing the circular arc shape of the positioning piece, a through channel of the positioning piece is positioned at the middle position of the positioning piece, and an injection space is provided for welding wires, so that the welding wires are arranged at the center of weld beads of the two pipe fittings to be welded through the through channel, the defect of centering precision caused by manual visual centering is prevented, the centering precision of the welding wires is improved, and the quality of weld joints is further improved.
Drawings
FIG. 1 is a front view of a structural schematic diagram of a pipe weld centering device according to an embodiment of the present utility model;
FIG. 2 is a schematic top view of a pipe weld centering device according to an embodiment of the present utility model;
FIG. 3 is a three left side view of a schematic structural view of a pipe weld centering device according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a use state of a pipe weld centering device according to an embodiment of the present utility model;
in the drawings, the list of components represented by the various numbers is as follows:
1. a positioning piece; 11. a first inclined surface; 12. a second inclined surface; 13. a through hole; 14. a groove; 15. a third inclined surface; 16. a fourth inclined surface; 17. a bottom surface; 18. a through passage;
2. a grip;
3. a connecting piece;
4. pipe fittings to be welded;
5. a welding gun;
6. and (5) welding wires.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In describing embodiments of the present utility model, it should be noted that the terms "first," "second," "third," "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Referring to fig. 1, the pipe welding seam centering device provided by the embodiment of the utility model comprises a positioning piece 1, wherein the whole positioning piece 1 is in a circular arc shape, and the circular arc shape is matched with the pipe diameter of a pipe 4 to be welded.
Referring to fig. 3, the positioning member 1 is provided with a first inclined plane 11 and a second inclined plane 12, the first inclined plane 11 and the second inclined plane 12 are symmetrically arranged about the axis of the positioning member 1, and the first inclined plane 11 and the second inclined plane 12 are respectively used for being attached to the welding surfaces of two pipe fittings 4 to be welded so as to position and center the two pipe fittings 4 to be welded, and prevent the pipe fittings from being difficult to maintain a coaxial state due to the arc shape of the pipe fittings.
Specifically, according to the embodiment, the diameter of the end of the lower edge of the welding surface of the two pipes to be welded 4 is consistent with the diameter of the circular arc at the bottom of the positioning piece 1, the positioning piece 1 extends radially based on the circular arc at the bottom of the positioning piece 1, so as to determine the overall size of the positioning piece 1, the circular arc of the positioning piece 1 with the size is utilized to coaxially position the two pipes to be welded 4, so that the two pipes to be welded 4 can be flexibly moved between the two pipes to be welded while being beneficial to coaxial alignment, and higher operability is provided.
Referring to fig. 2, the positioning member 1 is provided with a through channel 18 along the circumferential direction, the through channel 18 is located at the middle position of the positioning member 1, as shown in fig. 4, the through channel 18 is used for feeding the welding wire 6 for injection, so that the distance between the welding wire 6 and the two pipe fittings 4 to be welded is consistent, the welding wire 6 is located at the center of the welding bead of the two pipe fittings 4 to be welded, the centering accuracy of the welding wire 6 is improved, and the quality of the welding seam is further improved.
One end of the through passage 18 along the circumferential direction of the positioning member 1 is open, and the other end of the through passage 18 is closed in the positioning member 1, so that the welding wire 6 can move conveniently and the welding seam can pass through without obstruction when the positioning member 1 moves. In a specific example, as shown in fig. 2, the through-channel 18 has an elongated shape, wherein the left end is open and the right end is closed. The specific shape of the through passage 18 is not limited, and may be a long strip shape, or may be other shapes, so that the passage for injecting the welding wire 6 can be satisfied, and all the shapes fall within the protection scope of the present utility model.
The width of the through passage 18 is 0.1 to 0.4mm larger than the diameter of the welding wire 6, in particular, it is preferable that the width of the through passage 18 is 0.2mm larger than the diameter of the welding wire 6, so that welding wires 6 of different sizes of materials can be selected according to different pipe members 4 to be welded so that the welding wires 6 pass through the through passage 18 without obstruction.
According to the pipe fitting welding seam centering device provided by the embodiment of the utility model, the first inclined surface 11 and the second inclined surface 12 of the positioning piece 1 are attached to the welding surfaces of the two pipe fittings 4 to be welded, so that the two pipe fittings 4 to be welded are positioned, and then the welding wire 6 is positioned in the middle position of the two pipe fittings 4 to be welded through the through channel 18 arranged in the middle position of the positioning piece 1, so that the centering operation of the welding wire 6 is realized, errors caused by manual visual centering are avoided, and the centering precision of the welding wire 6 is improved.
On the basis of the above embodiment, further, as shown in fig. 2, the positioning member 1 is further provided with a through hole 13, the through hole 13 is disposed on the through channel 18, and the aperture of the through hole 13 is larger than the width of the through channel 18. The through holes 13 can be arranged at the closed position of the through channel 18 and can also be arranged on the path of the through channel 18, and the through holes 13 can be round or irregular so as to realize the effect of enabling the weld flash to pass through, thereby ensuring the smooth progress of welding and the corresponding welding quality.
With reference to fig. 3, the width of the bottom surface 17 of the positioning element 1 is matched with the nominal diameter of the pipe fitting 4 to be welded, specifically, the applicable standard requirement is determined according to the material and the application of the pipe fitting 4 to be welded, and then the width of the bottom surface 17 is determined according to the relation between the welding seam and the nominal diameter in the standard requirement, namely, the requirement of a certain size of the pipe fitting 4 to be welded, which is smaller than the outer diameter and larger than the inner diameter, so that welding penetration is facilitated and the strength of the welding seam is improved.
On the basis of the above embodiment, further, as shown in fig. 1, the bottom of the positioning element 1 is provided with a groove 14 along the axial direction, the groove 14 may be square or circular arc, and the size of the groove 14 is not specifically limited, so as to reduce the contact area between the tool and the part, and avoid welding the positioning element 1 and the two pipes 4 to be welded together in the welding process.
On the basis of the above embodiment, further, as shown in fig. 3, the positioning member 1 is further provided with a third inclined plane 15 and a fourth inclined plane 16, where the third inclined plane 15 and the fourth inclined plane 16 are respectively disposed at two edges of the top of the positioning member 1 and extend from one end to the other end of the positioning member 1, and the third inclined plane 15 and the fourth inclined plane 16 may be smooth inclined planes or smooth inclined planes without edges and corners with radian, so as to avoid the damage to the workpiece or the operator during the use of the positioning member 1.
Further to the above embodiments, as shown in fig. 1 and 4, the pipe weld centering device further includes a grip member 2; one end of the holding piece 2 is connected with the positioning piece 1.
In an alternative embodiment, one end of the holding member 2 is directly connected to the top of the end of the positioning member 1, where the end of the penetrating channel 18 is not provided, and the shape of the holding member 2 may be variously configured, and may be rectangular, or may be preferably cylindrical, so as to facilitate the holding and moving of the positioning member 1 by an operator.
In an alternative embodiment, one end of the holding member 2 is connected with the positioning member 1 through the connecting member 3, and two ends of the connecting member 3 are respectively connected with one end of the holding member 2 and the top surface of the positioning member 1, so that the moving operation of the positioning member 1 by an operator is facilitated, and the relative position of the welding gun 5 is kept unchanged by simply moving the positioning member 1 in the welding process.
The shape of the connecting piece 3 can be provided with various settings, and can be a columnar body without bending or a columnar body with bending, and according to the specific embodiment provided by the scheme, the connecting piece 3 can be preferably a columnar body with bending, so that a proper angle is provided for the holding piece 2 and the positioning piece 1, and the holding operation of an operator is facilitated.
In order to more clearly understand the structure of the pipe welding seam centering device provided by the embodiment of the utility model, a method for using the pipe welding seam centering device is briefly described with reference to fig. 4:
the two pipe fittings 4 to be welded are fixed on the clamp, an operator holds the holding piece 2, places the positioning piece 1 at the position to be welded of the two pipe fittings 4 to be welded, enables the first inclined surface 11 and the second inclined surface 12 to be attached to the surface to be welded of the pipe fittings 4 to be welded, adjusts the welding gun 5, enables the welding wire 6 to be located in the through channel 18 of the positioning piece 1, and finishes the centering work of the welding wire 6 after the positioning piece 1 is taken down, and then starts to implement welding.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The pipe fitting weld joint centering device is characterized by comprising a positioning piece, wherein the positioning piece is in an arc shape, and the size of the arc shape is matched with the pipe diameter of a pipe fitting to be welded; the positioning piece is provided with a through channel along the circumferential direction, the through channel is positioned at the middle position of the positioning piece, and the through channel is used for feeding welding wires for injection;
the locating piece is equipped with first inclined plane and second inclined plane, first inclined plane with the second inclined plane is about the axis symmetry of locating piece is laid, first inclined plane with the second inclined plane is used for respectively with two wait to weld the joint face laminating of pipe fitting to two wait to weld the pipe fitting and fix a position the centering.
2. The bead centering device as claimed in claim 1, wherein one end of the through passage in the circumferential direction is open.
3. The weld centering device of claim 1, wherein the width of the through passage is 0.1-0.4 mm greater than the diameter of the welding wire.
4. The weld centering device of claim 3, wherein the width of the through passage is 0.2mm greater than the diameter of the welding wire.
5. The weld centering device of claim 3, wherein the locating member is further provided with a through hole;
the through holes are arranged on the through channels, and the aperture of each through hole is larger than the width of each through channel.
6. The weld centering device of claim 1, wherein a bottom width of the locating member matches a nominal diameter of the pipe to be welded.
7. The weld centering device of claim 1, wherein a bottom of the locating member is provided with a groove in an axial direction.
8. The weld centering device of claim 1, wherein the locating piece is further provided with a third ramp and a fourth ramp;
the third inclined plane and the fourth inclined plane are respectively arranged at the two edges of the top of the positioning piece.
9. The weld alignment device of claim 1, further comprising a grip;
one end of the holding piece is connected with the positioning piece.
10. The weld alignment device of claim 9, wherein the tubular weld alignment device further comprises a connector;
the two ends of the connecting piece are respectively connected with one end of the holding piece and the top surface of the positioning piece, and the holding piece is connected with the positioning piece through the connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321213508.0U CN220636855U (en) | 2023-05-18 | 2023-05-18 | Pipe fitting welding seam centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321213508.0U CN220636855U (en) | 2023-05-18 | 2023-05-18 | Pipe fitting welding seam centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220636855U true CN220636855U (en) | 2024-03-22 |
Family
ID=90270901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321213508.0U Active CN220636855U (en) | 2023-05-18 | 2023-05-18 | Pipe fitting welding seam centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220636855U (en) |
-
2023
- 2023-05-18 CN CN202321213508.0U patent/CN220636855U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7527301B2 (en) | Pipe/connector weld joint, and methods of welding same | |
| CN105965199A (en) | Alignment device for pipeline welding | |
| CN220636855U (en) | Pipe fitting welding seam centering device | |
| CN115781173A (en) | Positioner is used in welded tube production and processing | |
| CN109500542B (en) | Positioning device for pipeline welding and construction method thereof | |
| CN212945974U (en) | Back protection tool for test tube butt joint test piece of welder | |
| KR101612084B1 (en) | Fixing equipment of bellows tube for welding | |
| JP4537100B2 (en) | Cylindrical welding method and welding apparatus | |
| CN206316615U (en) | A kind of orthopedic tube gripper of large-caliber stainless steel pipe track welding | |
| CN111001976A (en) | Opening aligning device for large-diameter thin-wall pipeline and using method thereof | |
| US4925074A (en) | Welding tool | |
| CN211867013U (en) | Automatic welding device for pipeline | |
| CN209035800U (en) | A kind of air-conditioning collecting pipe component welding tool setup | |
| US4618378A (en) | Pipe cutting templet | |
| CN221047516U (en) | Stud welding device | |
| CN221389319U (en) | Electrode assembly and welding equipment | |
| CN214161711U (en) | Sheet filler structure for automatic TIG welding thin-wall stainless steel pipe | |
| CN215145549U (en) | Longitudinal sewing machine centering device | |
| KR101442578B1 (en) | Piping centering with welding jig and the same using method | |
| CN210024320U (en) | Automatic welding track positioning clamp for pipeline | |
| CN220330212U (en) | Stud positioning and welding device | |
| CN215091755U (en) | Pipeline butt welding positioning fixture | |
| CN212371533U (en) | Steel pipe or square steel welding butt joint device | |
| CN214322410U (en) | Pipeline welding assembly device | |
| KR20200049090A (en) | Electric Fusion Welding Pipe Fixing Means and Electric Fusion Welding Method of Pipe Using the Same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |