CN219945145U - Positioning fixture for flange welding - Google Patents
Positioning fixture for flange welding Download PDFInfo
- Publication number
- CN219945145U CN219945145U CN202321526482.5U CN202321526482U CN219945145U CN 219945145 U CN219945145 U CN 219945145U CN 202321526482 U CN202321526482 U CN 202321526482U CN 219945145 U CN219945145 U CN 219945145U
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- welding
- flange
- positioning
- turntable
- screw thread
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- 238000003466 welding Methods 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model relates to the technical field of welding tools, in particular to a positioning fixture for flange welding, which comprises a turntable, wherein the bottom end of the turntable is fixedly connected with a rotating shaft, the bottom end of the rotating shaft is sleeved in a fixed bearing, the bottom end of the rotating shaft is rotationally connected with a base through the fixed bearing, the top end of the turntable is fixedly connected with a threaded mounting rod, the threaded mounting rod is in threaded connection with the inside of a threaded groove, the improved positioning fixture for flange welding can enable the turntable to rotate through the fixed bearing and the rotating shaft, and can drive a pipeline and a flange to rotate when the turntable rotates, so that the pipeline and the flange can be conveniently welded from multiple angles, meanwhile, the positioning shaft and the turntable can be conveniently connected and separated through the threaded connection of the threaded mounting rod and the threaded groove, and then the positioning shafts with different sizes can be conveniently replaced, so that the pipelines and the flanges with different sizes can be conveniently welded.
Description
Technical Field
The utility model relates to the technical field of welding tools, in particular to a positioning fixture for flange welding.
Background
The welding fixture is a set of flexible fixture for welding, compacting and positioning, is mainly used for welding various weldable materials, and is used for welding large, medium and small-sized materials, the fixture is required to be used for positioning when a pipeline and a flange are welded, the common fixture does not have a rotating function, the pipeline and the flange are inconvenient to weld from multiple angles, and meanwhile, the fixture does not have a size regulating function, and the pipeline and the flange with different sizes are inconvenient to weld, so that the positioning fixture for welding the flange is required to meet the use requirement.
The prior patent (publication number: CN 212217419U) discloses a pipeline flange positioning welding clamp, which comprises a pipeline clamp and a flange clamp, wherein the pipeline clamp is fixedly connected with the flange clamp, and a pipeline clamped by the pipeline clamp is coaxial with a flange clamped by the flange clamp; the pipeline clamp comprises a supporting piece which is horizontally arranged and used for placing a pipeline, and a plurality of groups of supporting frames are arranged at intervals at the lower part of the supporting piece; the flange clamp comprises two groups of side plates which are vertically arranged and are abutted against the outer edges of the flange, and lower limiting plates which are abutted against the bottoms of the outer edges of the flange are arranged at the lower parts of two opposite sides of the two groups of side plates. The utility model has simple and convenient operation, and the efficiency of putting in or withdrawing from the clamp is higher when the pipeline and the flange are welded in a fixed-position manner; the concentricity requirement of the flange and the pipeline after the clamp is placed is guaranteed, the perpendicularity deviation of the flange end face and the pipeline center line is guaranteed to be in the standard requirement range, the relative position of the flange and the pipeline in the positioning welding process is guaranteed to be fixed, and the welding process requirement can be met through a simple tool.
The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. the positioning clamp has no rotating function, so that the welding of the pipeline and the flange from multiple angles is inconvenient; 2. the positioning clamp does not have a size regulating function, and is inconvenient to weld pipelines and flanges with different sizes.
Disclosure of Invention
The utility model aims to provide a positioning clamp for welding flanges, which solves the problems that the positioning clamp provided in the background art is inconvenient to weld pipelines and flanges from multiple angles and inconvenient to weld pipelines and flanges with different sizes.
The utility model provides the following technical scheme: the utility model provides a positioning fixture for flange welding, includes the revolving stage, the bottom fixedly connected with pivot of revolving stage, the bottom of pivot cup joints inside fixed bearing, and the bottom of pivot is passed through fixed bearing and is rotated with the base and be connected, the top fixedly connected with screw thread installation pole of revolving stage, screw thread installation pole threaded connection in the screw thread inslot, the screw thread groove is seted up in the bottom of locating shaft, the both ends fixedly connected with montant of revolving stage, the middle part fixed mounting of montant has fixture, one side swing joint of fixture has welded pipe, welded pipe's bottom swing joint has welded flange.
Still preferably, the clamping mechanism comprises a screw rod, one end of the screw rod is in transmission connection with a rotating handle, the other end of the screw rod is fixedly provided with a mounting block, the other side of the mounting block is fixedly provided with an arc-shaped elastic clamping block, and the screw rod is in threaded connection with the inside of the vertical rod.
Further preferably, the number of the vertical rod and the clamping mechanism is two, and the welding pipe is clamped between the two clamping mechanisms.
Further preferably, the welding pipeline and the welding flange are sleeved on the outer surface of the positioning shaft, and the central axes of the positioning shaft, the welding pipeline and the welding flange are consistent.
Further preferably, the threaded mounting rod is in threaded connection with the inside of the threaded groove, and the turntable and the positioning shaft are in movable connection through the threaded mounting rod and the threaded groove.
Further preferably, the bottom end of the rotating shaft is rotationally connected with the base through a fixed bearing, and the top end of the rotating shaft is fixedly connected with a turntable.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the rotating shaft and the base are rotationally connected through the fixed bearing, so that the rotating shaft can rotate, the rotating table can be driven to rotate when the rotating shaft rotates, and the pipeline and the flange can be driven to rotate when the rotating table rotates, thereby being convenient for welding the pipeline and the flange from multiple angles and improving the welding efficiency of the pipeline and the flange.
According to the utility model, the screw groove is formed in the bottom end of the positioning shaft, the screw mounting rod is arranged at the top end of the rotary table, the screw mounting rod is in screw connection with the screw groove, so that the positioning shaft and the rotary table can be conveniently connected and separated, and then the positioning shafts with different sizes are replaced, so that pipelines and flanges with different sizes can be conveniently positioned, and the pipelines and flanges with different sizes can be conveniently welded.
Drawings
FIG. 1 is a schematic diagram of the front elevational view in full section of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
fig. 3 is a schematic structural view of a clamping mechanism according to the present utility model.
In the figure: 1. a turntable; 2. a rotating shaft; 3. fixing a bearing; 4. a base; 5. a threaded mounting rod; 6. a thread groove; 7. positioning a shaft; 8. a vertical rod; 9. a clamping mechanism; 901. a screw rod; 902. rotating the handle; 903. a mounting block; 904. arc elastic clamping blocks; 10. welding a pipeline; 11. and welding the flange.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1 to 3, a positioning fixture for flange welding comprises a turntable 1, a rotating shaft 2 is fixedly connected to the bottom end of the turntable 1, the bottom end of the rotating shaft 2 is sleeved inside a fixed bearing 3, the bottom end of the rotating shaft 2 is rotationally connected with a base 4 through the fixed bearing 3, a threaded mounting rod 5 is fixedly connected to the top end of the turntable 1, the threaded mounting rod 5 is in threaded connection with the inside of a threaded groove 6, the threaded groove 6 is formed in the bottom end of a positioning shaft 7, vertical rods 8 are fixedly connected to the two ends of the turntable 1, a clamping mechanism 9 is fixedly arranged in the middle of the vertical rods 8, a welding pipeline 10 is movably connected to one side of the clamping mechanism 9, and a welding flange 11 is movably connected to the bottom end of the welding pipeline 10.
In this embodiment, as shown in fig. 3, the clamping mechanism 9 includes a screw 901, one end of the screw 901 is in transmission connection with a rotation handle 902, the other end of the screw 901 is fixedly provided with a mounting block 903, the other side of the mounting block 903 is fixedly provided with an arc elastic clamping block 904, and the screw 901 is in threaded connection with the inside of the vertical rod 8, and it is to be noted that the screw 901 can be driven to rotate by rotating the rotation handle 902, the mounting block 903 can be driven to move when the screw 901 rotates, and the arc elastic clamping block 904 can be driven to move when the mounting block 903 moves to clamp the welding pipeline 10.
In this embodiment, as shown in fig. 2, the number of the vertical rods 8 and the clamping mechanisms 9 is two, and the welded pipe 10 is clamped between the two clamping mechanisms 9, and the welded pipe 10 is clamped by the two clamping mechanisms 9, so that the welded pipe 10 can be positioned, and the welded pipe 10 is prevented from being deviated.
In this embodiment, as shown in fig. 1, the welded pipe 10 and the welded flange 11 are sleeved on the outer surface of the positioning shaft 7, and the central axes of the positioning shaft 7, the welded pipe 10 and the welded flange 11 are consistent, and it should be noted that the welded pipe 10 and the welded flange 11 can be positioned by the positioning shaft 7, so that the welded pipe 10 and the welded flange 11 can be welded conveniently.
In this embodiment, as shown in fig. 1, the screw mounting rod 5 is screwed into the screw groove 6, and the turntable 1 and the positioning shaft 7 are movably connected through the screw mounting rod 5 and the screw groove 6, and the screw mounting rod 5 and the screw groove 6 can be separated by rotating the positioning shaft 7, so that the positioning shaft 7 can be separated from the turntable 1.
In this embodiment, as shown in fig. 1, the bottom end of the rotating shaft 2 is rotationally connected with the base 4 through the fixed bearing 3, and the top end of the rotating shaft 2 is fixedly connected with the turntable 1, which needs to be explained, that the rotating shaft 2 can be rotated by utilizing the fixed bearing 3, the turntable 1 can be driven to rotate when the rotating shaft 2 rotates, and the welding pipe 10 and the welding flange 11 can be driven to rotate when the turntable 1 rotates, so that the welding pipe 10 and the welding flange 11 can be welded conveniently.
When the positioning clamp for flange welding is used, the working process is as follows:
as shown in fig. 1, 2 and 3, a positioning shaft 7 with the size corresponding to a welded pipe 10 and a welding flange 11 is firstly installed at the top end of a turntable 1 by using a threaded installation rod 5 and a threaded groove 6, then the welded pipe 10 and the welding flange 11 are sleeved on the outer surface of the positioning shaft 7, then a rotating handle 902 of a clamping mechanism 9 is rotated, a screw rod 901 can be driven to rotate when the rotating handle 902 rotates, an installation block 903 can be driven to move when the screw rod 901 rotates, an arc-shaped elastic clamping block 904 can be driven to move when the installation block 903 moves to clamp the welded pipe 10, the welded pipe 10 is clamped and positioned by using two clamping mechanisms 9, then the welded pipe 10 and the welding flange 11 can be welded, the turntable 1 can be rotated by using a fixed bearing 3 and a rotating shaft 2, the welded pipe 10 and the welding flange 11 can be conveniently welded from different angles, and the welded pipe 10 and the welding flange 11 can be taken down after the welding is finished.
Claims (6)
1. The utility model provides a positioning fixture for flange welding, includes revolving stage (1), its characterized in that: the bottom fixedly connected with pivot (2) of revolving stage (1), the bottom of pivot (2) cup joints inside fixed bearing (3), the bottom of pivot (2) is passed through fixed bearing (3) and is connected with base (4) rotation, the top fixedly connected with screw thread installation pole (5) of revolving stage (1), screw thread installation pole (5) threaded connection is inside screw thread groove (6), the bottom in locating shaft (7) is seted up in screw thread groove (6), the both ends fixedly connected with montant (8) of revolving stage (1), the middle part fixed mounting of montant (8) has fixture (9), one side swing joint of fixture (9) has welding pipe (10), the bottom swing joint of welding pipe (10) has welding flange (11).
2. The positioning jig for flange welding according to claim 1, wherein: the clamping mechanism (9) comprises a screw rod (901), one end of the screw rod (901) is in transmission connection with a rotating handle (902), the other end of the screw rod (901) is fixedly provided with a mounting block (903), the other side of the mounting block (903) is fixedly provided with an arc-shaped elastic clamping block (904), and the screw rod (901) is in threaded connection with the inside of the vertical rod (8).
3. A positioning jig for flange welding according to claim 1 or 2, characterized in that: the number of the vertical rods (8) and the clamping mechanisms (9) is two, and the welding pipeline (10) is clamped between the two clamping mechanisms (9).
4. The positioning jig for flange welding according to claim 1, wherein: the welding pipeline (10) and the welding flange (11) are sleeved on the outer surface of the positioning shaft (7), and the central axes of the positioning shaft (7), the welding pipeline (10) and the welding flange (11) are consistent.
5. The positioning jig for flange welding according to claim 1, wherein: the screw thread installation rod (5) is in threaded connection with the inside of the screw thread groove (6), and the turntable (1) and the positioning shaft (7) are in movable connection through the screw thread installation rod (5) and the screw thread groove (6).
6. The positioning jig for flange welding according to claim 1, wherein: the bottom of the rotating shaft (2) is rotationally connected with the base (4) through a fixed bearing (3), and the top of the rotating shaft (2) is fixedly connected with the turntable (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321526482.5U CN219945145U (en) | 2023-06-15 | 2023-06-15 | Positioning fixture for flange welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321526482.5U CN219945145U (en) | 2023-06-15 | 2023-06-15 | Positioning fixture for flange welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219945145U true CN219945145U (en) | 2023-11-03 |
Family
ID=88543764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321526482.5U Active CN219945145U (en) | 2023-06-15 | 2023-06-15 | Positioning fixture for flange welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219945145U (en) |
-
2023
- 2023-06-15 CN CN202321526482.5U patent/CN219945145U/en active Active
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