CN211889683U - Pipeline welding clamp - Google Patents
Pipeline welding clamp Download PDFInfo
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- CN211889683U CN211889683U CN201922387309.1U CN201922387309U CN211889683U CN 211889683 U CN211889683 U CN 211889683U CN 201922387309 U CN201922387309 U CN 201922387309U CN 211889683 U CN211889683 U CN 211889683U
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Abstract
The utility model relates to the technical field of welding, concretely relates to pipeline welding fixture, which realizes three-point clamping of a pipeline through two lower clamping parts and one upper clamping part, and the clamping of the pipeline is more stable, and because the telescopic lengths of the upper clamping part and the lower clamping part can be adjusted, the device can clamp pipelines with different pipe diameters, and the practicability of the clamping device is improved; the welding gun rotating in the welding ring can weld a large-diameter pipeline, the pipeline can be completely welded, and the problem that the pipeline rotates to cause instability and the like is solved to influence the welding quality.
Description
Technical Field
The utility model relates to the field of welding technique, concretely relates to pipeline welding jig.
Background
In the existing metal welding process, an automatic welding device is mostly adopted, the large-diameter pipeline is welded by adopting rotation welding in a conventional mode, namely the pipeline is arranged on a rotating tire, the rotating tire rotates to drive the pipeline to rotate, and a welder performs flat welding on a circular seam at the top of the pipeline. But the rotating tire rotates and has the problems of unstable placement, irregular rotation, influenced welding quality, low welding efficiency, high rework rate and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: provided is a pipe welding jig capable of stably clamping a pipe.
In order to solve the technical problem, the utility model discloses a technical scheme be: a pipeline welding fixture comprises a base, a welding part and fixing parts, wherein the welding part is positioned in the middle of the top surface of the base, and the fixing parts are positioned on two sides of the welding part;
the welding part comprises a welding base fixed above the base, a welding ring fixed above the welding base and a welding gun positioned on the inner side of the welding ring, the welding gun points to the central axis of the welding ring, and the length of the welding gun along the radial direction of the welding ring is adjustable;
the fixed part is including being located a pair of roller and the clamping device of lifting in base top, lift the roller and become to setting up in the both sides of welding ring, clamping device sets up in lifting the roller and keeps away from one side of welding ring, clamping device is including setting up in two in the frame down clamping part and one be the last clamping part of up-and-down motion, two form certain contained angle between the clamping part down, go up clamping part and two the clamping part three axis is handed in a bit, two down the clamping part all is provided with the telescopic supporting part, it all is provided with the circular arc piece with the tip that the clamping part is close each other down to go up the clamping part.
The arc sheet is rotatably connected with the upper clamping part and the lower clamping part.
The lower clamping part comprises a supporting rod fixed to the rack, the supporting part is sleeved with one end, far away from the rack, of the supporting rod, the arc piece is connected with the supporting part in a rotating mode, the supporting rod is provided with external threads, and the supporting part is in threaded connection with the supporting rod.
The outer side wall of the supporting part is provided with a jackscrew in a penetrating mode, the jackscrew is in threaded connection with the supporting part, and the jackscrew abuts against the supporting rod tightly.
The upper clamping part is provided with a pressing rod in threaded connection with the rack, and the arc sheet is rotationally connected with the pressing rod.
The upper end face of the pressing rod is fixed with a rotating rod, two ends of the rotating rod are symmetrical relative to the pressing rod, and a rotating handle is further fixed on the upper end face of one end of the rotating rod.
And a guide rail for the welding gun to slide along the circumferential direction is arranged on the inner side of the welding ring.
The beneficial effects of the utility model reside in that: the pipeline is clamped at three points through the two lower clamping parts and the upper clamping part, the pipeline is clamped more stably, and the telescopic lengths of the upper clamping part and the lower clamping part are adjustable, so that the device can clamp pipelines with different pipe diameters, and the practicability of the clamping device is improved; the welding gun rotating in the welding ring can weld a large-diameter pipeline, the pipeline can be completely welded, and the problem that the pipeline rotates to cause instability and the like is solved to influence the welding quality.
Drawings
Fig. 1 is a schematic structural view of a pipe welding jig according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a clamping device of a pipe welding jig according to an embodiment of the present invention;
description of reference numerals:
1. a base; 2. welding a base; 21. a welding gun; 22. welding a circular ring; 3. a lifting roller; 4. a frame; 5. an upper clamping portion; 51. a hold down bar; 52. a rotating rod; 53. turning a handle; 6. a lower clamping portion; 61. a support portion; 62. a support bar; 63. carrying out top thread; 7. a circular arc piece.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, the pipe welding fixture of the present invention includes a base 1, a welding portion located in the middle of the top surface of the base 1, and fixing portions located on both sides of the welding portion;
the welding part comprises a welding base 2 fixed above the base 1, a welding ring 22 fixed above the welding base 2 and a welding gun 21 positioned on the inner side of the welding ring 22, the welding gun 21 points to the central axis of the welding ring 22, and the length of the welding gun 21 along the radial direction of the welding ring 22 is adjustable;
the fixed part is including being located 1 top of base a pair of roller 3 and the clamping device of lifting, lift roller 3 and set up in the both sides of welding ring 22 in pairs, clamping device sets up in the one side of lifting roller 3 and keeping away from welding ring 22, clamping device is including setting up two clamping part 6 and one last clamping part 5 of doing the up-and-down motion on frame 4, two form certain contained angle down between the clamping part 6, go up clamping part 5 and two the 6 three axes of clamping part are handed in a bit, two down clamping part 6 all is provided with telescopic supporting part 61, it all is provided with circular arc piece 7 with the tip that clamping part 6 is close each other down to go up clamping part 5.
The working principle is as follows: the pipeline to be welded at two ends is respectively placed on the lifting rollers 3 at two sides of the welding part, the pipelines at two ends are in butt joint with the welding part, the lifting rollers 3 arranged in pairs have a good supporting effect on the pipeline, then the pipeline is further fixed and prevented from rotating by using the upper clamping part and the lower clamping part 6 of the clamping device, and the welding guns 21 on the welding circular ring 22 rotate around the welding circular ring 22 and weld two sections of pipelines at the same time; or the two sections of pipelines are fixed without using a clamping device, so that the two sections of pipelines can rotate on respective lifting rollers 3, then the two sections of pipelines are subjected to spot welding firstly, then the two sections of pipelines are rotated for final welding, and thus the welding gun 21 only needs to be fixed at one position.
As can be seen from the above description, the utility model has the advantages that: the pipeline is clamped at three points through the two lower clamping parts and the upper clamping part, the pipeline is clamped more stably, and the telescopic lengths of the upper clamping part and the lower clamping part are adjustable, so that the device can clamp pipelines with different pipe diameters, and the practicability of the clamping device is improved; the welding gun rotating in the welding ring can weld a large-diameter pipeline, the pipeline can be completely welded, and the problem that the pipeline rotates to cause instability and the like is solved to influence the welding quality.
Further, the arc piece 7 is rotatably connected with the upper clamping part 5 and the lower clamping part 6.
Through the setting, set up the circular arc piece and rotate with last clamping part, lower clamping part and be connected, always and make the circular arc piece more have the flexibility, can carry out the fine setting of certain angle in centre gripping pipeline, reduce the stress damage of clamp force to the pipeline, make the device have higher flexibility and practicality.
Further, lower clamping part 6 include with the bracing piece 62 that frame 4 is fixed, the one end that frame 4 was kept away from to supporting part 61 and bracing piece 62 is cup jointed, circular arc piece 7 with supporting part 61 rotates to be connected, bracing piece 62 is opened there is the external screw thread, supporting part 61 with bracing piece 62 threaded connection.
Through the arrangement, the length of the supporting part extending out of the supporting rod is subjected to stepless adjustment, and the pipeline in a certain diameter range can be clamped, so that the practicability of the clamping device is improved, and the applicable diameter range of the pipeline is enlarged.
Further, the outer side wall of the supporting portion 61 is provided with a jackscrew 63 in a penetrating manner, the jackscrew 63 is in threaded connection with the supporting portion 61, and the jackscrew 63 abuts against the supporting rod 62.
Through the setting, can utilize frictional force to press from both sides tight bracing piece through screwing up the jackscrew, and then carry on spacingly to the flexible distance of bracing piece, make the bracing piece keep certain flexible length, press from both sides tightly the pipeline of specific size, realize the regulation to supporting part length.
Further, the upper clamping part 5 is provided with a pressing rod 51 in threaded connection with the frame 4, and the circular arc piece 7 is rotatably connected with the pressing rod 51.
Furthermore, a rotating rod 52 is fixed on the upper end surface of the pressing rod 51, two ends of the rotating rod 52 are symmetrical with respect to the pressing rod 51, and a rotating handle 53 is also fixed on the upper end surface of one end of the rotating rod 52.
Through the setting of bull stick and commentaries on classics handle, when rotating the compressing tightly pole and reciprocating, can carry out the application of force through bull stick and commentaries on classics to increased the arm of force of executing, made to rotate compressing tightly the pole easier, convenient to use person uses.
Further, a guide rail for the welding gun 21 to slide along the circumferential direction is provided inside the welding ring 22.
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is:
a pipeline welding fixture comprises a base 1, a welding part and fixing parts, wherein the welding part is positioned in the middle of the top surface of the base 1, and the fixing parts are positioned on two sides of the welding part;
the welding part comprises a welding base 2 fixed above the base 1, a welding ring 22 fixed above the welding base 2 and a welding gun 21 positioned on the inner side of the welding ring 22, the welding gun 21 points to the central axis of the welding ring 22, and the length of the welding gun 21 along the radial direction of the welding ring 22 is adjustable;
the fixed part is including being located 1 top of base a pair of roller 3 and the clamping device of lifting, lift roller 3 and set up in the both sides of welding ring 22 in pairs, clamping device sets up in the one side of lifting roller 3 and keeping away from welding ring 22, clamping device is including setting up two clamping part 6 and one last clamping part 5 of doing the up-and-down motion on frame 4, two form certain contained angle down between the clamping part 6, go up clamping part 5 and two the 6 three axes of clamping part are handed in a bit, two down clamping part 6 all is provided with telescopic supporting part 61, it all is provided with circular arc piece 7 with the tip that clamping part 6 is close each other down to go up clamping part 5. The arc sheet 7 is rotationally connected with the upper clamping part 5 and the lower clamping part 6;
the lower clamping part 6 comprises a supporting rod 62 fixed with the rack 4, the supporting part 61 and one end of the supporting rod 62 far away from the rack 4 are sleeved, the arc piece 7 is rotatably connected with the supporting part 61, the supporting rod 62 is provided with an external thread, and the supporting part 61 is in threaded connection with the supporting rod 62;
the outer side wall of the supporting part 61 is provided with a jackscrew 63 in a penetrating way, the jackscrew 63 is in threaded connection with the supporting part 61, and the jackscrew 63 abuts against the supporting rod 62;
the upper clamping part 5 is provided with a pressing rod 51 in threaded connection with the rack 4, and the arc sheet 7 is rotationally connected with the pressing rod 51;
a rotating rod 52 is fixed on the upper end surface of the pressing rod 51, two ends of the rotating rod 52 are symmetrical with respect to the pressing rod 51, and a rotating handle 53 is also fixed on the upper end surface of one end of the rotating rod 52;
the inner side of the welding ring 22 is provided with a guide rail for the welding gun 21 to slide along the circumferential direction.
To sum up, the pipeline welding fixture provided by the utility model realizes three-point clamping of the pipeline through the two lower clamping parts and the upper clamping part, the clamping of the pipeline is more stable, and the telescopic length of the upper clamping part and the lower clamping part can be adjusted, so that the device can clamp pipelines with different pipe diameters, and the practicability of the clamping device is improved; the welding gun rotating in the welding ring can weld a large-diameter pipeline, so that the pipeline can be completely welded, and the problems of instability and the like caused by rotation of the pipeline are solved, so that the welding quality is influenced;
the arc sheet is rotationally connected with the upper clamping part and the lower clamping part, so that the arc sheet has flexibility, fine adjustment at a certain angle can be performed when the pipeline is clamped, stress damage of a clamping force to the pipeline is reduced, and the device has higher flexibility and practicability;
the length of the supporting part extending out of the supporting rod can be adjusted in a stepless manner, and a pipeline in a certain diameter range can be clamped, so that the practicability of the clamping device is improved, and the applicable diameter range of the pipeline is enlarged;
the supporting rod can be clamped by screwing the jackscrew and utilizing friction force, so that the telescopic distance of the supporting rod is limited, the supporting rod keeps a certain telescopic length, a pipeline with a specific size is clamped, and the length of the supporting part is adjusted;
through the setting of bull stick and commentaries on classics handle, when rotating the compressing tightly pole and reciprocating, can carry out the application of force through bull stick and commentaries on classics to increased the arm of force of executing, made to rotate compressing tightly the pole easier, convenient to use person uses.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (7)
1. A pipeline welding fixture comprises a base and is characterized by further comprising a welding part located in the middle of the top surface of the base and fixing parts located on two sides of the welding part;
the welding part comprises a welding base fixed above the base, a welding ring fixed above the welding base and a welding gun positioned on the inner side of the welding ring, the welding gun points to the central axis of the welding ring, and the length of the welding gun along the radial direction of the welding ring is adjustable;
the fixed part is including being located a pair of roller and the clamping device of lifting in base top, lift the roller and become to setting up in the both sides of welding ring, clamping device sets up in lifting the roller and keeps away from one side of welding ring, clamping device is including setting up in two in the frame down clamping part and one be the last clamping part of up-and-down motion, two form certain contained angle between the clamping part down, go up clamping part and two the clamping part three axis is handed in a bit, two down the clamping part all is provided with the telescopic supporting part, it all is provided with the circular arc piece with the tip that the clamping part is close each other down to go up the clamping part.
2. The pipe welding jig of claim 1, wherein the circular arc piece is rotatably connected to the upper clamping portion and the lower clamping portion.
3. The pipe welding jig of claim 1, wherein the lower clamping portion comprises a support rod fixed to the frame, the support portion is sleeved with one end of the support rod away from the frame, the circular arc piece is rotatably connected with the support portion, the support rod is provided with external threads, and the support portion is in threaded connection with the support rod.
4. The pipeline welding fixture of claim 3, wherein a jackscrew penetrates through an outer side wall of the support portion, the jackscrew is in threaded connection with the support portion, and the jackscrew abuts against the support rod.
5. The pipe welding fixture of claim 1, wherein the upper clamping portion is provided with a pressing rod in threaded connection with the frame, and the circular arc piece is rotatably connected with the pressing rod.
6. The pipe welding jig of claim 5, wherein a rotating rod is fixed to an upper end face of the pressing rod, two ends of the rotating rod are symmetrical with respect to the pressing rod, and a rotating handle is further fixed to an upper end face of one end of the rotating rod.
7. The pipe welding jig of claim 1, wherein a guide rail is provided inside the welding ring, along which the welding torch slides in a circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922387309.1U CN211889683U (en) | 2019-12-26 | 2019-12-26 | Pipeline welding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922387309.1U CN211889683U (en) | 2019-12-26 | 2019-12-26 | Pipeline welding clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211889683U true CN211889683U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922387309.1U Active CN211889683U (en) | 2019-12-26 | 2019-12-26 | Pipeline welding clamp |
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| Country | Link |
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| CN (1) | CN211889683U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106991A (en) * | 2022-07-11 | 2022-09-27 | 中国十九冶集团有限公司 | Multifunctional working frame |
| CN115229429A (en) * | 2022-09-20 | 2022-10-25 | 江苏德创制管有限公司 | Welding device for pipe fitting butt joint |
| CN117548977A (en) * | 2023-12-21 | 2024-02-13 | 枣庄市建设工程质量检测中心有限公司 | Auxiliary welding device for steel pipe for building |
-
2019
- 2019-12-26 CN CN201922387309.1U patent/CN211889683U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106991A (en) * | 2022-07-11 | 2022-09-27 | 中国十九冶集团有限公司 | Multifunctional working frame |
| CN115106991B (en) * | 2022-07-11 | 2024-05-28 | 中国十九冶集团有限公司 | Multifunctional working frame |
| CN115229429A (en) * | 2022-09-20 | 2022-10-25 | 江苏德创制管有限公司 | Welding device for pipe fitting butt joint |
| CN117548977A (en) * | 2023-12-21 | 2024-02-13 | 枣庄市建设工程质量检测中心有限公司 | Auxiliary welding device for steel pipe for building |
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