CN220427238U - Welding gun supporting device special for automatic welding of pipe - Google Patents
Welding gun supporting device special for automatic welding of pipe Download PDFInfo
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- CN220427238U CN220427238U CN202321588935.7U CN202321588935U CN220427238U CN 220427238 U CN220427238 U CN 220427238U CN 202321588935 U CN202321588935 U CN 202321588935U CN 220427238 U CN220427238 U CN 220427238U
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- welding gun
- clamp arm
- frame body
- arch
- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
A welding gun supporting device special for automatic welding of a pipe comprises a fixed frame body (1), a rotating piece (2) and a welding gun bracket (3); the method is characterized in that: the fixing frame body (1) is an open-loop annular body, and a clamping mechanism (11) is arranged on the fixing frame body; the rotating piece (2) is also an open annular body, is rotatably supported on the fixed frame body (1) and is in driving connection with a rotary driving device (4); the rotating part (2) is provided with a radial moving seat (22), the main body of the radial moving seat (22) is an arch part (221), two ends (221 a, 221 b) of the arch part (221) are respectively connected with the rotating part (2) in a guiding way through linear guide rails, the linear guide rails at the two ends are bilaterally symmetrical and parallel to an A plane, and the A plane is a plane passing through the connecting line center at the two ends of the arch part (221) and the rotating center axis of the rotating part (2).
Description
Technical Field
The utility model relates to the technical field of welding devices, in particular to a welding gun supporting device special for automatic welding of a pipe.
Background
In various field installation processes, it is often necessary to weld pipe-to-pipe (including pipe-tee, pipe-elbow) field butt joints. Because of the special requirements of field installation, the pipe body cannot rotate randomly when the pipe is in butt joint at the installation site, so that the welding gun can only meet the welding requirements, namely, the welding gun needs to rotate 360 degrees around the welded pipe body in the whole welding process, and the welding is commonly called full-position welding.
The welding gun supporting device on the all-position welding equipment is an important part, and is used for supporting the welding gun to rotate 360 degrees around a welded pipe body and adjusting the position of the welding gun with certain precision so as to ensure the stability and precision of automatic welding.
A typical conventional welding gun support device can be seen in patent application CN 218452735U. The support disclosed by the patent comprises two groups of positioning rings, wherein the two groups of positioning rings are clamped on two sides of a welding line of a pipeline, bending guide rail strips are arranged on the positioning rings, a revolving frame is movably arranged on the bending guide rail strips, an arc guide rail is connected to the revolving frame, a movable fixing strip penetrates through the arc guide rail, and a welding gun is clamped and fixed on the movable fixing strip through a pressing positioning strip.
The existing welding gun supporting device is stable in supporting, but is very inconvenient to clamp and adjust each time.
Disclosure of Invention
The utility model aims to provide a welding gun supporting device special for automatic welding of a pipe, which is convenient for clamping and adjusting.
In order to achieve the purpose, the technical scheme of the welding gun adopted by the utility model is as follows: a welding gun supporting device special for automatic welding of a pipe comprises a fixed frame body, a rotating piece rotatably arranged on the fixed frame body and a welding gun bracket;
the fixing frame body is an open annular body, a clamping mechanism is arranged on the fixing frame body, and the fixing frame body is fixedly sleeved on the periphery of the welded pipe body through the clamping mechanism when in use;
the rotating piece is also an open annular body, the rotating piece is rotatably supported on the fixed frame body, the rotating central axis of the rotating piece coincides with the axis of the welded pipe body when the rotating piece is used, and the rotating piece is in driving connection with a rotary driving device so as to drive the rotating piece to rotate around the axis of the welded pipe body;
the rotating part is provided with a radial moving seat, the main body of the radial moving seat is an arch part, two ends of the arch part are respectively connected with the rotating part in a guiding way through linear guide rails, the linear guide rails at the two ends are bilaterally symmetrical and parallel to an A plane, and the A plane is a plane passing through the connecting line center of the two ends of the arch part and the rotating central axis of the rotating part;
the welding gun support extends from one of two ends of the arch part to the middle of the arch part, the root of the welding gun support is connected with the end of the arch part in a guiding way along the direction parallel to the rotation central axis of the rotating part, and the cantilever end of the welding gun support is used for clamping the welding gun, so that the direction of the gun head of the welding gun coincides with the line A in use;
radial driving devices are respectively arranged at two ends of the arch part or on one end of the arch part so as to enable the arch part to move along the A line, namely the radial direction of the welded pipe; and the root of the welding gun support is provided with an axial driving device so as to enable the welding gun support to axially move along the rotation central axis of the rotating piece, namely the welded pipe fitting.
In the above scheme, the two ends of the arch piece are respectively provided with the radial driving devices, and the two radial driving devices are synchronously driven.
In the above scheme, the linear guide rail between the two ends of the arch part and the rotating part is composed of a first guide rail pair and a second guide rail pair, the first guide rail pair is shorter than the second guide rail pair, the first guide rail pair is overlapped on the second guide rail pair, and the first guide rail pair is used for manually adjusting the position initially.
In the scheme, the clamping mechanism is a manual clamping lock mechanism and consists of a left clamp arm, a right clamp arm and a handle, the left clamp arm and the right clamp arm are oppositely arranged left and right, the upper parts of the left clamp arm and the right clamp arm are hinged with the fixing frame body, and the top ends of the left clamp arm and the right clamp arm are driven by the connection of the handle. Further, a bent part of the bent part is hinged with the upper end of the left clamp arm, and the free end of the bent part of the handle is hinged with the upper end of the right clamp arm through a connecting rod. Still further, the articulated shaft between left tong arm and right tong arm top and the mount body all sets up respectively on a nut, and corresponds the nut on the mount body and put up a screw rod, the length direction of screw rod is the same with the line direction between left tong arm and the right tong arm, and the screw rod corresponds the cooperation with the nut to make the articulated shaft can follow the line direction of left tong arm and right tong arm on the mount body and be close or keep away from the ground adjustment.
In the scheme, the rotary driving device is formed by driving and connecting a motor and a gear set.
In the above scheme, the radial driving device is a motor.
In the above scheme, the axial driving device is a motor.
The utility model has the following effects:
the utility model is convenient to clamp, and the clamping is carried out on the welded pipe fitting from the radial direction of the pipe fitting to lock.
The utility model has stable integral structure and ensured precision.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of a first embodiment of the present utility model;
fig. 3 is a schematic perspective view of a second embodiment of the present utility model.
In the above figures:
1. a fixing frame body; 11. a clamping mechanism; 111. a left clamp arm; 112. a right clamp arm; 113. a handle; 114. a connecting rod; 115. a screw;
2. a rotating member; 22. a radial moving seat; 221. an arch; 221a, end portions; 221b, end; 2211. a first guide rail pair; 2212. a second guide rail pair;
3. a welding gun bracket; 31. a third guide rail pair;
4. a rotation driving device;
5. a radial drive;
6. an axial drive device.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings and examples:
examples: see fig. 1-3:
a welding gun supporting device special for automatic welding of a pipe comprises a fixed frame body 1, a rotating piece 2 rotatably arranged on the fixed frame body 1 and a welding gun bracket 3.
Referring to fig. 1 and 2, the fixing frame body 1 is an open annular body, a clamping mechanism 11 is arranged on the fixing frame body, and the fixing frame body is fixedly sleeved on the periphery of the welded pipe body through the clamping mechanism 11 in use.
Referring to fig. 3, the clamping mechanism 11 is a manual clamping lock mechanism, and is composed of a left clamp arm 111, a right clamp arm 112 and a handle 113, wherein the left clamp arm 111 and the right clamp arm 112 are oppositely arranged left and right, the upper parts of the left clamp arm 111 and the right clamp arm 112 are hinged with the fixed frame body 1, and the top ends of the left clamp arm 111 and the right clamp arm 112 are driven by the connection of the handle 113. Preferably, a turning part is arranged below the handle 113, the bending part of the turning part is hinged with the upper end of the left clamp arm 111, and the free end of the turning part of the handle 113 is hinged with the upper end of the right clamp arm 112 through a connecting rod 114.
In order to adjust the size of the clamping mechanism 11 to be suitable for welded pipe bodies with different pipe diameters, as shown in fig. 3, the hinge shafts above the left clamp arm 111 and the right clamp arm 112 and the fixed frame body 1 are respectively arranged on a nut, a screw 115 is arranged on the fixed frame body 1 corresponding to the nut, the length direction of the screw 115 is the same as the connecting line direction between the left clamp arm 111 and the right clamp arm 112, the screw 115 is provided with left and right threads with opposite rotation directions, one of the two threads is matched with the nut connected with the left clamp arm 111, and the other is matched with the nut connected with the right clamp arm 112, so that the hinge shafts of the left clamp arm 111 and the right clamp arm 112 can be adjusted in a close or far way along the connecting line direction of the left clamp arm 111 and the right clamp arm 112 by rotating the screw 115.
Referring to fig. 1 and 2, the rotating member 2 is also an open annular body, which is rotatably supported on the fixed frame 1, and has a rotation central axis coincident with the axis of the welded pipe in use, and is drivingly connected to a rotation driving device 4 for driving the rotating member to rotate around the axis of the welded pipe. Specifically, the rotation driving device 4 may be a motor, a rotary cylinder, or other various rotation power sources, and is preferably formed by driving and connecting a motor and a gear set.
Referring to fig. 1 and 2, the rotating member 2 is provided with a radial moving seat 22, the main body of the radial moving seat 22 is an arch member 221, two ends 221a and 221b of the arch member 221 are respectively connected with the rotating member 2 in a guiding manner through linear guide rails, the linear guide rails at the two ends are bilaterally symmetrical and parallel to an a plane, and the a plane is a plane passing through the connecting line center of the two ends of the arch member 221 and the rotating center axis of the rotating member 2.
Referring to fig. 1 and 2, the welding gun holder 3 extends from one of two ends of the arch 221 to the middle of the arch 221, the root of the welding gun holder 3 is connected with the end of the arch 221 in a guiding manner along a direction parallel to the rotation central axis of the rotating member 2 (a third guide rail pair 31 can be adopted), and the cantilever end of the welding gun holder 3 is used for clamping the welding gun, so that the direction of the gun head coincides with the plane a in use.
Referring to fig. 1 and 2, a radial driving device 5 is disposed on each of two ends 221a, 221b of the arch 221, so as to move the arch 221 along the a plane, i.e. the radial direction of the welded pipe; and an axial driving device 6 is arranged on the root of the welding gun support 3 so as to enable the welding gun support 3 to move along the rotation central axis of the rotating piece 2, namely the axial direction of the welded pipe fitting.
Preferably, the radial driving device 5 is a motor, and most preferably, a stepping motor is adopted, and the stepping motors at two ends are synchronously driven by the same signal.
Preferably, the axial drive means 6 also use a motor, most preferably a stepper motor.
Preferably, as shown in fig. 1 and 2, the linear guide between the two ends 221a, 221b of the arch 221 and the rotating member 2 is specifically composed of a first guide 2211 and a second guide 2212, the first guide 2211 is shorter than the second guide 2212, the first guide 2211 is overlapped on the second guide 2212, and the first guide is used for manual initial adjustment. When in use, the position of the arch 221 is manually adjusted along the second guide rail pair 2212, and then the second guide rail pair 2212 is locked, so that the welding gun is suitable for welded pipe fittings with different pipe diameters even if the welding gun approaches or is far away from the welded pipe fittings along the radial direction of the welded pipe fittings. In the welding process, the radial driving device 5 is used to automatically drive the arch 221 (i.e. drive the welding gun) to move along the first guide rail pair 2211 (i.e. radial direction of the welded pipe), and the axial driving device 6 is used to automatically drive the welding gun support 3 (i.e. drive the welding gun) to move along the rotation central axis of the rotating member 2 (i.e. axial direction of the welded pipe), i.e. to shake axially.
The above is a preferred embodiment, and the following variations are also possible in practice:
1. the welding gun support 3 is not a cantilever part, but an arch part is also adopted, namely, two ends of the welding gun support 3 are correspondingly connected with two ends of the arch part 211, and the two ends of the corresponding welding gun support 3 are respectively connected with two ends of the arch part 221 in a guiding way along the direction parallel to the rotation central axis of the rotating part 2 through guide rail pairs, so that the arrangement is more stable;
2. it is also possible to provide radial drive means 5 on only one of the two ends 221a, 221b of said arch 221, which also drive the arch 221.
3. The clamping mechanism 11 may be any other available locking mechanism, pneumatic, hydraulic, etc.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (9)
1. A welding gun supporting device special for automatic welding of a pipe comprises a fixed frame body (1), a rotating piece (2) rotatably arranged on the fixed frame body (1) and a welding gun bracket (3); the method is characterized in that:
the fixing frame body (1) is an annular body with an open ring shape, and is provided with a clamping mechanism (11), and is fixedly sleeved on the periphery of the welded pipe body through the clamping mechanism (11) when in use;
the rotating piece (2) is also an open annular body, is rotatably supported on the fixed frame body (1), and has a rotation central axis coincident with the axis of the welded pipe body when in use, and is in driving connection with a rotation driving device (4) so as to drive the welded pipe body to rotate around the axis of the welded pipe body;
the rotating part (2) is provided with a radial moving seat (22), the main body of the radial moving seat (22) is an arch part (221), two ends (221 a, 221 b) of the arch part (221) are respectively connected with the rotating part (2) in a guiding way through linear guide rails, the linear guide rails at the two ends are bilaterally symmetrical and parallel to an A plane, and the A plane is a plane passing through the connecting line center at the two ends of the arch part (221) and the rotating central axis of the rotating part (2);
the welding gun support (3) extends from one of two ends of the arch part (221) to the middle of the arch part (221), the root of the welding gun support (3) is connected with the end of the arch part (221) in a guiding way along the direction parallel to the rotation central axis of the rotating part (2), and the cantilever end of the welding gun support (3) is used for clamping a welding gun, so that the direction of the welding gun head coincides with the plane A in use;
radial driving means (5) are arranged at each of the two ends (221 a, 221 b) of the arch (221) or at one end thereof, so as to enable the arch (221) to move along the plane A, namely the radial direction of the welded pipe; and an axial driving device (6) is arranged on the root of the welding gun support (3) so as to enable the welding gun support (3) to move along the rotation central axis of the rotating piece (2), namely the axial direction of the welded pipe fitting.
2. The welding gun support device special for automatic pipe welding according to claim 1, wherein: the two ends (221 a, 221 b) of the arch (221) are each provided with a radial drive (5), the two radial drives (5) being driven synchronously.
3. The welding gun support device special for automatic pipe welding according to claim 1, wherein: the linear guide rail between the two ends (221 a, 221 b) of the arch part (221) and the rotating part (2) is composed of a first guide rail pair (2211) and a second guide rail pair (2212), the first guide rail pair (2211) is shorter than the second guide rail pair (2212), the first guide rail pair (2211) is overlapped on the second guide rail pair (2212), and the first guide rail pair (2211) is used for manually adjusting the position.
4. The welding gun support device special for automatic pipe welding according to claim 1, wherein: the clamping mechanism (11) is a manual clamping and locking mechanism and consists of a left clamp arm (111), a right clamp arm (112) and a handle (113), wherein the left clamp arm (111) and the right clamp arm (112) are oppositely arranged left and right, the upper parts of the left clamp arm (111) and the right clamp arm (112) are hinged with the fixed frame body (1), and the top ends of the left clamp arm (111) and the right clamp arm (112) are driven by the connection of the handle (113).
5. The welding gun support device special for automatic pipe welding according to claim 4, wherein: the lower part of the handle (113) is provided with a turning part, the bending part of the turning part is hinged with the upper end of the left clamp arm (111), and the free end of the turning part of the handle (113) is hinged with the upper end of the right clamp arm (112) through a connecting rod (114).
6. The welding gun support device special for automatic pipe welding according to claim 5, wherein: the hinge shafts between the upper parts of the left clamp arm (111) and the right clamp arm (112) and the fixed frame body (1) are respectively arranged on a nut, a screw rod (115) is arranged on the fixed frame body (1) corresponding to the nut, the length direction of the screw rod (115) is the same as the connecting line direction between the left clamp arm (111) and the right clamp arm (112), and the screw rod (115) is correspondingly matched with the nut, so that the hinge shafts can be adjusted on the fixed frame body (1) along the connecting line direction of the left clamp arm (111) and the right clamp arm (112) in a near or far way.
7. The welding gun support device special for automatic pipe welding according to claim 1, wherein: the rotary driving device (4) is formed by driving and connecting a motor and a gear set.
8. The welding gun support device special for automatic pipe welding according to claim 1, wherein: the radial driving device (5) is a motor.
9. The welding gun support device special for automatic pipe welding according to claim 1, wherein: the axial driving device (6) is a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321588935.7U CN220427238U (en) | 2023-06-21 | 2023-06-21 | Welding gun supporting device special for automatic welding of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321588935.7U CN220427238U (en) | 2023-06-21 | 2023-06-21 | Welding gun supporting device special for automatic welding of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220427238U true CN220427238U (en) | 2024-02-02 |
Family
ID=89697590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321588935.7U Active CN220427238U (en) | 2023-06-21 | 2023-06-21 | Welding gun supporting device special for automatic welding of pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220427238U (en) |
-
2023
- 2023-06-21 CN CN202321588935.7U patent/CN220427238U/en active Active
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