Pipe body welding positioning device

Abstract

The utility model relates to a pipe body welding positioning device which comprises an installation base, a lifting bearing frame, a driver, a first positioning device and a second positioning device. The lifting bearing frame is arranged on the mounting seat; a plurality of groups of rotating rollers are arranged at the upper part of the lifting bearing frame; the driver is used for driving one or more groups of rotating rollers in contact with the pipe body to be welded to rotate; the first positioner comprises a first horizontal sliding frame and a first positioning plate, the first horizontal sliding frame is arranged at one end of the lifting bearing frame in a sliding mode, and the first positioning plate is rotationally arranged on the first horizontal sliding frame; the second positioner comprises a second horizontal sliding frame and a second positioning plate, the second horizontal sliding frame is arranged at the other opposite end of the lifting bearing frame in a sliding mode, and the second positioning plate is rotationally arranged on the second horizontal sliding frame. Welding precision is improved, one-time welding of the annular joint of the pipe body to be welded is achieved, and operation is convenient. The pipe body is convenient to take and place, labor-saving and efficient. And the device can adapt to various to-be-welded pipe bodies with different sizes, and the equipment cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding positioning equipment, and particularly relates to a pipe welding positioning device. Background Art

[0002] At present, when welding a pipe, the pipe is usually put on a positioning shaft that matches the size of the pipe, and then the pipe is aligned, clamped and locked by a locking structure. The positioning shaft is driven by a driving motor to rotate, and workers can weld the annular joint with a welding gun. However, this welding positioning equipment has great limitations. When it is necessary to weld pipes of other sizes, it is necessary to replace the positioning shaft that matches the size of the pipe, which increases the equipment cost. In addition, due to the effect of gravity, the upper inner wall of the pipe contacts the upper outer wall of the positioning shaft, while there is a gap between the lower inner wall of the pipe and the lower outer wall of the positioning shaft, resulting in inaccurate concentricity, which affects the welding quality. The pipe needs to be put on the positioning shaft, which is not very convenient to take and put. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a pipe welding positioning device to solve the technical problems of the current welding positioning equipment, such as high equipment cost, low welding quality, and inconvenient pipe removal.

[0004] In order to solve the above problems, the technical solution of the present invention is: a pipe welding positioning device, comprising:

[0005] Mounting seat;

[0006] The lifting support bracket is arranged on the mounting seat, and the upper portion of the lifting support bracket has a plurality of rotating rollers, which form a concave mounting cavity for supporting the pipe body to be welded;

[0007] A driver for driving one or more sets of rotating rollers in contact with the pipe to be welded;

[0008] The first positioner includes a first horizontal sliding frame and a first positioning plate, wherein the first horizontal sliding frame is slidably disposed on one end of the lifting support frame, and the first positioning plate is rotatably disposed on the first horizontal sliding frame, and the first positioning plate is used to contact and position with one outer end of the pipe to be welded;

[0009] The second positioner includes a second horizontal sliding frame and a second positioning plate. The second horizontal sliding frame is slidably set at the other end of the lifting support frame. The second positioning plate is rotatably set on the second horizontal sliding frame. The second positioning plate is used to contact and position with the other outer end of the pipe body to be welded. The first positioning plate and the second positioning plate cooperate to clamp and position the pipe body to be welded.

[0010] Optionally, a first vertical mounting plate is fixedly provided on the first horizontal sliding frame, a first bearing seat is fixedly provided on the first vertical mounting plate, and the first positioning plate is rotatably provided on the first bearing seat through a bearing; a second vertical mounting plate is fixedly provided on the second horizontal sliding frame, a second bearing seat is fixedly provided on the second vertical mounting plate, and the second positioning plate is rotatably provided on the second bearing seat through a bearing.

[0011] Optionally, at least one first sliding positioning block is provided on the first positioning plate, and the first sliding positioning block is used to cooperate with the rotating roller to clamp the outer end of the first tube body in the tube body to be welded; at least one second sliding positioning block is provided on the second positioning plate, and the second sliding positioning block is used to cooperate with the rotating roller to clamp the outer end of the second tube body in the tube body to be welded.

[0012] Optionally, the first sliding positioning block is positioned on the first positioning plate by a fastener; and the second sliding positioning block is positioned on the second positioning plate by a fastener.

[0013] Optionally, the driver is fixedly mounted on the lifting support bracket.

[0014] Optionally, the driver is a driving motor, and the driving motor is connected to one of the rotating rollers to drive the rotating roller to rotate.

[0015] Optionally, the cross-section of the concave cavity is V-shaped.

[0016] Optionally, the lifting support bracket is installed on the mounting seat in a liftable manner via a hydraulic cylinder.

[0017] Optionally, the first horizontal sliding frame and the second horizontal sliding frame are respectively connected to the lifting support bracket through a driving assembly.

[0018] Optionally, the drive assembly includes:

[0019] The transmission motor is installed on the lifting support bracket;

[0020] The transmission screw is rotatably mounted on the lifting support frame. The transmission screw is connected to the transmission motor and the corresponding horizontal sliding frame. The transmission motor drives the corresponding horizontal sliding frame to move horizontally through the transmission screw.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The utility model adopts a lifting support frame to support the coaxial positioning of the pipe to be welded, and the first positioning plate and the second positioning plate cooperate to clamp and position the pipe to be welded. The structure is simple and easy to operate, which improves the welding accuracy. It can adapt to the welding of pipes of various sizes, saves equipment costs, and facilitates the removal and placement of pipes. The lifting support frame can be adapted to different operating heights, which is convenient for operators to use and also easy to adapt to the height of the welding equipment. There is no need to manually adjust the height of the welding equipment again, which is convenient to operate, labor-saving and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic diagram of the end portion of the pipe body welding positioning device in the embodiment;

[0024] Figure 2 Schematic side view of the pipe body welding positioning device in the embodiment.

[0025] Figure markings: 1. Mounting seat; 11. Hydraulic cylinder; 2. Lifting support bracket; 21. Rotating roller; 22. Sliding limit groove; 23. First gear; 3. Driver; 31. Second gear; 4. First positioner; 41. First horizontal sliding frame; 411. First vertical mounting plate; 412. First bearing seat; 42. First positioning plate; 421. First sliding positioning block; 5. Second positioner; 51. Second horizontal sliding frame; 511. Second vertical mounting plate; 512. Second bearing seat; 52. Second positioning plate; 521. Second sliding positioning block; 6. Bearing; 7. Driving assembly; 71. Transmission motor; 72. Transmission screw; 8. Tube to be welded; 81. First tube body; 82. Second tube body. DETAILED DESCRIPTION

[0026] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0027] Example: Figure 1 and Figure 2As shown, this embodiment provides a pipe welding positioning device, including a mounting base 1, a lifting support bracket 2, a driver 3, a first positioner 4 and a second positioner 5; the lifting support bracket 2 is arranged on the mounting base 1, and the upper part of the lifting support bracket 2 has a plurality of groups of rotating rollers 21, and the plurality of groups of rotating rollers 21 form an inner concave mounting cavity for supporting the pipe body 8 to be welded; the driver 3 is used to drive one or more groups of rotating rollers 21 in contact with the pipe body 8 to be welded to rotate; the first positioner 4 includes a first horizontal sliding frame 41 and a first positioning plate 42, and the first horizontal sliding frame 41 is slidably arranged on the lifting support bracket 2. At one end of the lowering support bracket 2, the first positioning plate 42 is rotatably set on the first horizontal sliding frame 41, and the first positioning plate 42 is used to contact and position with one of the outer ends of the pipe body 8 to be welded; the second positioner 5 includes a second horizontal sliding frame 51 and a second positioning plate 52, and the second horizontal sliding frame 51 is slidably set on the other end of the lifting support bracket 2, and the second positioning plate 52 is rotatably set on the second horizontal sliding frame 51, and the second positioning plate 52 is used to contact and position with the other outer end of the pipe body 8 to be welded, and the first positioning plate 42 and the second positioning plate 52 cooperate to clamp the pipe body 8 to be welded.

[0028] Through the above arrangement, the pipe body 8 to be welded is placed on the lifting support 2, so that the first pipe body 81 and the second pipe body 82 in the pipe body 8 to be welded are coaxially aligned, improving welding accuracy. The rotating roller 21 is driven to rotate by the driver 3, and the rotating roller 21 drives the pipe body 8 to be welded in contact with it to rotate, thereby achieving a one-time welding of the annular seam of the pipe body 8 to be welded, which is convenient to operate. After welding is completed, the first horizontal sliding frame 41 and the second horizontal sliding frame 51 are controlled to move outward to release the positioning of the pipe body 8 to be welded, so that the pipe body 8 to be welded can be directly removed, which is convenient, labor-saving and efficient. Using multiple rotating rollers 21 to support the pipe body 8 to be welded can accommodate a variety of pipe bodies 8 to be welded of different sizes, saving equipment costs.

[0029] In a pipe body welding positioning device of this embodiment, a first vertical mounting plate 411 is fixedly arranged on the first horizontal sliding frame 41, a first bearing seat 412 is fixedly arranged on the first vertical mounting plate 411, and the first positioning plate 42 is rotatably arranged on the first bearing seat 412 through a bearing 6; a second vertical mounting plate 511 is fixedly arranged on the second horizontal sliding frame 51, a second bearing seat 512 is fixedly arranged on the second vertical mounting plate 511, and the second positioning plate 52 is rotatably arranged on the second bearing seat 512 through a bearing 6.

[0030] Through the above arrangement, the first positioning plate 42 is rotatably mounted on the first bearing seat 412 through the bearing 6, and the second positioning plate 52 is rotatably mounted on the second bearing seat 512 through the bearing 6. The outer end of the first tube body 81 is tightly pressed against the first positioning plate 42, and the outer end of the second tube body 82 is tightly pressed against the second positioning plate 52. The inner end of the first tube body 81 is tightly pressed against the inner end of the second tube body 82 and is aligned, so that the first positioning plate 42 rotates with the first tube body 81, and the second positioning plate 52 rotates with the second tube body 82, reducing the wear of the first tube body 81 and the second tube body 82, reducing the rotation resistance, and making the first tube body 81 and the second tube body 82 rotate more smoothly.

[0031] In a tube body welding positioning device of this embodiment, at least one first sliding positioning block 421 is provided on the first positioning plate 42, and the first sliding positioning block 421 is used to cooperate with the rotating roller 21 to clamp the outer end of the first tube body 81 in the tube body 8 to be welded; at least one second sliding positioning block 521 is provided on the second positioning plate 52, and the second sliding positioning block 521 is used to cooperate with the rotating roller 21 to clamp the outer end of the second tube body 82 in the tube body 8 to be welded. During operation, the first tube body 81 and the second tube body 82 are first placed on the rotating roller 21 of the lifting support bracket 2. Then, the first horizontal sliding frame 41 and the second horizontal sliding frame 51 are controlled to move so that the first positioning plate 42 and the second positioning plate 52 approach each other until the first tube body 81 and the second tube body 82 are clamped and aligned. Then, the positions of the first sliding positioning block 421 and the second sliding positioning block 521 are adjusted so that the first sliding positioning block 421 cooperates with the rotating roller 21 to clamp the outer end of the first tube body 81 and the second sliding positioning block 521 cooperates with the rotating roller 21 to clamp the outer end of the second tube body 82, thereby improving the positioning stability of the first tube body 81 and the second tube body 82. After welding is completed, the sliding positioning block is controlled to move away from the tube body to release the lock on the tube body, thereby facilitating the removal of the tube body and facilitating operation. Optionally, a sliding limit groove 22 is provided on the positioning plate, and the lower portion of the sliding positioning block is slidably arranged in the sliding limit groove 22.

[0032] Optionally, the first sliding positioning block 421 , the second sliding positioning block 521 and the rotating roller 21 are staggered with each other in the vertical direction, so as to avoid affecting the normal rotation of the pipe body 8 to be welded.

[0033] In this embodiment of a pipe welding positioning device, a first sliding positioning block 421 is positioned on the first positioning plate 42 via fasteners; a second sliding positioning block 521 is positioned on the second positioning plate 52 via fasteners. This provides a simple structure and stable installation. Optionally, the fasteners are screws threadedly connected to the corresponding sliding positioning blocks. To adjust the sliding positioning blocks, the screws are rotated away from the corresponding positioning plates. After the sliding positioning blocks are properly adjusted, the screws are rotated until the inner ends of the screws abut against the positioning plates, thereby positioning the sliding positioning blocks on the corresponding positioning plates.

[0034] In the pipe welding positioning device of this embodiment, the driver 3 is fixedly mounted on the lifting support bracket 2. The driver 3 rises and falls synchronously with the lifting support bracket 2, thereby simplifying the connection structure between the driver 3 and the rotating roller 21, saving costs and improving connection stability.

[0035] In a pipe welding positioning device of this embodiment, the driver 3 is a drive motor, which is connected to one of the rotating rollers 21 to drive the rotating roller 21 to rotate. Optionally, a first gear 23 is coaxially fixedly disposed on the rotating roller 21, and a second gear 31 is coaxially fixedly disposed on the motor shaft of the drive motor. The first gear 23 engages with the second gear 31, so that the drive motor drives the rotating roller 21 to rotate through the cooperation of the first gear 23 and the second gear 31, and the rotating roller 21 drives the pipe in contact with it to rotate. Optionally, the drive motor is fixedly mounted on the outer wall of the lifting support bracket 2. Optionally, the drive motor is connected to a gearbox, and the second gear 31 is coaxially fixedly mounted on the output shaft of the gearbox.

[0036] In the pipe welding positioning device of this embodiment, the cross-section of the concave cavity is V-shaped. This arrangement can adapt to the welding of pipes of various sizes, thereby saving costs.

[0037] In the pipe welding positioning device of this embodiment, the lifting support bracket 2 is installed on the mounting base 1 in a liftable manner through the hydraulic cylinder 11. The structure is simple, the height of the lifting support bracket 2 can be automatically adjusted, and the operation is convenient.

[0038] In the pipe welding positioning device of this embodiment, the first horizontal sliding frame 41 and the second horizontal sliding frame 51 are respectively connected to the lifting support frame 2 through the driving assembly 7. This arrangement realizes the automatic movement of the first horizontal sliding frame 41, which is convenient to operate, labor-saving and efficient.

[0039] In a pipe welding positioning device according to this embodiment, a drive assembly 7 includes a transmission motor 71 and a transmission screw 72. The transmission motor 71 is mounted on a lifting support bracket 2. The transmission screw 72 is rotatably mounted on the lifting support bracket 2 and is connected to the transmission motor 71 and a corresponding horizontal slide. The transmission motor 71 drives the corresponding horizontal slide to move horizontally via the transmission screw 72. The transmission motor 71 drives the transmission screw 72 to rotate, and the rotation of the transmission screw 72 drives the horizontal slide to which it is threaded to move horizontally, thereby automatically adjusting the horizontal position of the first positioning plate 42 and the second positioning plate 52. The device has a simple structure, is easy to operate, and is labor-saving and efficient.

[0040] Optionally, the transmission motor 71 is fixedly mounted on the outer wall of the lifting support bracket 2, and the transmission screw 72 is rotatably set on the outer wall of the lifting support bracket 2. One end of the corresponding horizontal sliding frame is threadedly mounted on the screw, and the other end of the horizontal sliding frame is fixedly connected to the corresponding vertical mounting plate. A sliding limit groove 22 is set on the outer wall of the lifting support bracket 2, and the corresponding horizontal sliding frame is slidably set in the sliding limit groove 22, thereby improving the movement stability of the horizontal sliding frame. The transmission motor 71 drives the transmission screw 72 to rotate to drive the corresponding horizontal sliding frame to move horizontally, and then the horizontal sliding frame drives the vertical mounting plate connected thereto to move horizontally to adapt to the first tube body 81 and the second tube body 82 to be welded of different lengths.

Claims

1. A pipe welding positioning device, characterized in that: include: Mounting seat (1); A lifting support frame (2) is arranged on the mounting seat (1), and the upper portion of the lifting support frame (2) has a plurality of groups of rotating rollers (21), and the plurality of groups of rotating rollers (21) form an inner concave mounting cavity for supporting the pipe body (8) to be welded; A driver (3) for driving one or more groups of rotating rollers (21) in contact with the pipe body (8) to be welded to rotate; A first positioner (4) includes a first horizontal sliding frame (41) and a first positioning plate (42), wherein the first horizontal sliding frame (41) is slidably disposed on one end of the lifting support frame (2), and the first positioning plate (42) is rotatably disposed on the first horizontal sliding frame (41), and the first positioning plate (42) is used to contact and position with one outer end of the pipe body (8) to be welded; The second positioner (5) comprises a second horizontal sliding frame (51) and a second positioning plate (52). The second horizontal sliding frame (51) is slidably arranged at the other end of the lifting support frame (2). The second positioning plate (52) is rotatably arranged on the second horizontal sliding frame (51). The second positioning plate (52) is used to contact and position the other outer end of the pipe body (8) to be welded. The first positioning plate (42) and the second positioning plate (52) cooperate to clamp and position the pipe body (8) to be welded.

2. A pipe welding positioning device according to claim 1, characterized in that: A first vertical mounting plate (411) is fixedly arranged on the first horizontal sliding frame (41), a first bearing seat (412) is fixedly arranged on the first vertical mounting plate (411), and the first positioning plate (42) is rotatably arranged on the first bearing seat (412) via a bearing (6); a second vertical mounting plate (511) is fixedly arranged on the second horizontal sliding frame (51), a second bearing seat (512) is fixedly arranged on the second vertical mounting plate (511), and the second positioning plate (52) is rotatably arranged on the second bearing seat (512) via a bearing (6).

3. The pipe welding positioning device according to claim 1, characterized in that: At least one first sliding positioning block (421) is provided on the first positioning plate (42), and the first sliding positioning block (421) is used to cooperate with the rotating roller (21) to clamp the outer end of the first tube body (81) in the tube body (8) to be welded; at least one second sliding positioning block (521) is provided on the second positioning plate (52), and the second sliding positioning block (521) is used to cooperate with the rotating roller (21) to clamp the outer end of the second tube body (82) in the tube body (8) to be welded.

4. A pipe welding positioning device according to claim 3, characterized in that: The first sliding positioning block (421) is positioned on the first positioning plate (42) through a fastener; and the second sliding positioning block (521) is positioned on the second positioning plate (52) through a fastener.

5. The pipe welding positioning device according to claim 1, characterized in that: The driver (3) is fixedly mounted on the lifting support bracket (2).

6. The pipe welding positioning device according to claim 5, characterized in that: The driver (3) is a driving motor, which is connected to one of the rotating rollers (21) to drive the rotating roller (21) to rotate.

7. The pipe welding positioning device according to claim 1, characterized in that: The cross-section of the concave cavity is V-shaped.

8. The pipe welding positioning device according to claim 1, characterized in that: The lifting support bracket (2) is installed on the mounting seat (1) in a lifting manner via a hydraulic cylinder (11).

9. The pipe welding positioning device according to claim 1, characterized in that: The first horizontal sliding frame (41) and the second horizontal sliding frame (51) are respectively connected to the lifting support frame (2) through a driving assembly (7).

10. The pipe welding positioning device according to claim 9, characterized in that: The drive assembly (7) comprises: A transmission motor (71) is mounted on the lifting support bracket (2); The transmission screw (72) is rotatably mounted on the lifting support bracket (2). The transmission screw (72) is connected to the transmission motor (71) and the corresponding horizontal sliding frame. The transmission motor (71) drives the corresponding horizontal sliding frame to move horizontally through the transmission screw (72).

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