Pipeline flange welding positioning tool

Abstract

The utility model relates to a pipeline flange welding positioning tool, which belongs to the technical field of positioning tools and comprises a fixing table, a connecting mechanism is arranged on the lower surface of the fixing table, and a vertical plate is arranged on the right side of the upper surface of the fixing table. According to the pipeline flange welding positioning tool, first hand wheels on the left side and the right side are rotated to drive sliding blocks on the left side and the right side to move downwards in rectangular frames on the left side and the right side under limiting of four telescopic rods and drive not less than two suction cups on the left side and the right side to move downwards in the rectangular frames on the left side and the right side; when the positioning tool is used, the left side and the right side are moved out of the rectangular frames on the left side and the right side, at least two suction cups on the left side and the right side are sucked on the supporting table, and therefore the placing stability of the positioning tool can be improved, and when the suction cups are not used, the at least two suction cups on the left side and the right side can be contracted into the rectangular frames on the left side and the right side by rotating first hand wheels on the left side and the right side. And then the stability of the positioning device placed on the supporting table for welding positioning can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning tooling, in particular to a pipeline flange welding positioning tooling. Background Art

[0002] The flange is a component that connects pipes to each other. When welding the flange and the pipe, the flange and the pipe are first fixed in position, and then a worker holds a welding gun or a welding robot spot-welds the circular joint between the flange and the pipe, and then full welding is performed at the joint where the positioning is completed. The pipe can be an L-shaped pipe.

[0003] For example, Chinese patent CN215588321U discloses an L-shaped pipe flange welding positioning device, which relates to the field of pipe flange welding positioning devices, and includes a horizontal plate and a vertical plate, the vertical plate is vertically arranged on the horizontal plate; a moving mechanism is slidably arranged on the horizontal plate, the moving direction of the moving mechanism is perpendicular to the vertical plate, and a tensioning mechanism for fixing the pipe mouth and flange at one end of the L-shaped pipe is arranged on the moving mechanism; the tensioning mechanism includes a mounting seat, and a plurality of telescopic parts are evenly arranged on the mounting seat in an array rotating around the center, and a tensioning block for abutting the inner wall of the L-shaped pipe is arranged at the telescopic end of the telescopic part, and a limiting plate for placing the pipe mouth flange is arranged on the tensioning block, the limiting plate is perpendicular to the tensioning block, and the limiting plate is located on the side away from the center of the mounting seat. The application has the effect of improving the convenience of welding positioning of the L-shaped pipe flange.

[0004] Although the above patent has the effect of improving the convenience of welding and positioning of L-shaped pipe flanges, the lower surface structure of the horizontal plate in the patent is simple, and when the positioning device is placed on the support platform to weld and position the L-shaped pipe and the flange, the stability is general and it is easy to slide off the support platform due to external forces, thereby reducing practicality. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a pipe flange welding positioning tool, which has the advantages of improving the stability of the positioning device placed on the support platform for welding positioning, etc., and solves the problem that the lower surface structure of the cross plate is simple, and the positioning device is placed on the support platform to weld and position the L-shaped pipe and the flange, the stability is general, and it is easy to slide off the support platform due to external forces, thereby reducing the practicality.

[0006] To achieve the above object, the utility model provides the following technical solutions: a pipe flange welding positioning tool, comprising a fixing platform, a connecting mechanism is provided on the lower surface of the fixing platform, a vertical plate is provided on the right side of the upper surface of the fixing platform, and a fixing mechanism is provided on the upper surface of the fixing platform;

[0007] The connecting mechanism includes a U-shaped frame, two rectangular frames, two connecting plates, two first threaded rods, two first hand wheels, two sliders, no less than two suction cups and a connecting assembly. The U-shaped frame is arranged on the lower surface of the fixed platform, the two rectangular frames are arranged on the left and right sides of the U-shaped frame, the connecting plate is fixed inside the rectangular frame, and the first threaded rod is threadedly connected to the inside of the connecting plate.

[0008] By adopting this technical solution, the stability of the positioning device placed on the support table for welding positioning can be improved through the connecting mechanism.

[0009] Furthermore, the first hand wheel is arranged at the top end of the first threaded rod, the slider is slidably connected inside the rectangular frame, the bottom end of the first threaded rod is rotatably connected to the upper surface of the slider through a bearing, and the suction cups, which are not less than two in number, are arranged on the lower surfaces of the left and right sliders.

[0010] By adopting this technical solution, the slider can be moved up and down inside the rectangular frame by rotating the first hand wheel.

[0011] Furthermore, the connecting assembly includes four telescopic rods and two rectangular rubber rings, the four telescopic rods are arranged on the front and rear sides of the lower surface of the left and right connecting plates, the bottom ends of the telescopic rods are fixedly connected to the upper surface of the slider, and the two rectangular rubber rings are arranged on the lower surfaces of the left and right rectangular frames.

[0012] By adopting this technical solution, the stability of the positioning tool placed on the support table can be improved through the rectangular rubber rings on the left and right sides.

[0013] Furthermore, the telescopic rod comprises a first movable rod, and a second movable rod is slidably connected inside the first movable rod.

[0014] By adopting this technical solution, the stability of the slider moving up and down inside the rectangular frame can be improved through the telescopic rod.

[0015] Furthermore, the fixing mechanism includes two U-shaped rods, a moving block, a fixing plate, a second threaded rod, a second hand wheel, a first arc-shaped clamping plate and a fixing assembly, the two U-shaped rods are arranged on the front and rear sides of the upper surface of the fixing table, the moving block is slidably connected to the outer side of the front and rear U-shaped rods, and the lower surface of the moving block is in contact with the upper surface of the fixing table.

[0016] By adopting this technical solution, the manufacturing cost of the positioning tooling can be reduced through the fixing mechanism.

[0017] Furthermore, the fixed plate is arranged on the left side of the upper surface of the fixed platform, the second threaded rod is threadedly connected to the inside of the fixed plate, the right side of the second threaded rod is rotatably connected to the left side of the moving block through a bearing, the second hand wheel is fixed on the left side of the second threaded rod, and the first arc-shaped clamping plate is arranged on the right side of the upper surface of the moving block.

[0018] By adopting this technical solution, the second threaded rod can be driven to rotate by rotating the second hand wheel, and the moving block can move linearly left and right.

[0019] Furthermore, the fixed component includes a slide groove, a sliding block, a second arc-shaped clamping plate, a mounting plate, a third threaded rod and a third handwheel, the slide groove is opened on the upper surface of the moving block, the sliding block is slidably connected inside the slide groove, the lower surface of the second arc-shaped clamping plate is fixedly connected to the upper surface of the sliding block, and the lower surface of the second arc-shaped clamping plate is in contact with the upper surface of the moving block.

[0020] By adopting this technical solution, the second arc-shaped clamping plate can be stably moved to the right through the cooperation between the sliding groove and the sliding block.

[0021] Furthermore, the mounting plate is arranged on the left side of the upper surface of the moving block, the third threaded rod is threadedly connected to the inside of the mounting plate, the third hand wheel is arranged on the left side of the third threaded rod, and the right side of the third threaded rod is rotatably connected to the left side of the second arc-shaped clamping plate through a bearing.

[0022] By adopting this technical solution, one end of the L-shaped pipe can be clamped and fixed by the cooperation between the first arc-shaped clamping plate and the second arc-shaped clamping plate.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] 1. The pipeline flange welding positioning tool drives the left and right sliding blocks on the left and right sides to move downward inside the left and right rectangular frames under the limit of four telescopic rods by rotating the first hand wheels on the left and right sides, and drives at least two suction cups on the left and right sides to move downward inside the left and right rectangular frames, and move out of the left and right rectangular frames. The positioning tool is sucked on the support table by at least two suction cups on the left and right sides, which can improve the stability of the positioning tool. When the suction cups are not in use, the left and right first hand wheels can be rotated to shrink at least two suction cups on the left and right sides to the inside of the left and right rectangular frames, thereby improving the stability of the positioning device placed on the support table for welding positioning.

[0025] 2. The pipeline flange welding positioning tool can place one end of the L-shaped pipeline on the upper surface of the moving block and on the left side of the first arc-shaped clamping plate. By turning the third hand wheel, the bottom end of the L-shaped pipeline can be clamped and fixed by the cooperation between the first arc-shaped clamping plate and the second arc-shaped clamping plate. At this time, the flange can be sleeved on the right side of the L-shaped pipeline, and the second hand wheel is turned to move the clamped L-shaped pipeline to the right, so that the flange sleeved on the right side of the L-shaped pipeline is abutted against the left side of the vertical plate. At this time, the circular joint of the flange and the pipeline can be spot-welded and positioned. After the spot-welding positioning is completed, the L-shaped elbow is taken out and fully welded. The whole process is clamped and positioned by manual mechanical movement, which can reduce the manufacturing cost of the positioning tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the connection mechanism of the utility model;

[0028] Figure 3 It is a three-dimensional structural schematic diagram of the rectangular frame of the utility model;

[0029] Figure 4 It is a schematic diagram of the fixing mechanism of the utility model.

[0030] In the figure: 1. fixed platform; 2. connecting mechanism; 21. U-shaped frame; 22. rectangular frame; 23. connecting plate; 24. first threaded rod; 25. first hand wheel; 26. sliding block; 27. suction cup; 281. telescopic rod; 282. rectangular rubber ring; 3. vertical plate; 4. fixing mechanism; 41. U-shaped rod; 42. moving block; 43. fixing plate; 44. second threaded rod; 45. second hand wheel; 46. first arc clamping plate; 471. slide groove; 472. sliding block; 473. second arc clamping plate; 474. mounting plate; 475. third threaded rod; 476. third hand wheel. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1In this embodiment, a pipe flange welding positioning tool includes a fixing table 1, a connecting mechanism 2 is provided on the lower surface of the fixing table 1, the connecting mechanism 2 improves the stability of the positioning device placed on the supporting table for welding positioning, a vertical plate 3 is provided on the right side of the upper surface of the fixing table 1, and a fixing mechanism 4 is provided on the upper surface of the fixing table 1. The fixing mechanism 4 can reduce the manufacturing cost of the positioning tool.

[0033] See also Figures 2 to 3 In order to improve the stability of the positioning device placed on the support platform for welding positioning, in this embodiment, the connecting mechanism 2 includes a U-shaped frame 21, two rectangular frames 22, two connecting plates 23, two first threaded rods 24, two first hand wheels 25, two sliders 26, no less than two suction cups 27 and a connecting component, the U-shaped frame 21 is arranged on the lower surface of the fixed platform 1, the two rectangular frames 22 are arranged on the left and right sides of the U-shaped frame 21, the connecting plate 23 is fixed inside the rectangular frame 22, and the first threaded rod 24 is threadedly connected to the inside of the connecting plate 23.

[0034] In this embodiment, the first hand wheel 25 is arranged at the top end of the first threaded rod 24, the slider 26 is slidably connected to the inside of the rectangular frame 22, the bottom end of the first threaded rod 24 is rotatably connected to the upper surface of the slider 26 through a bearing, and at least two suction cups 27 are arranged on the lower surfaces of the left and right sliders 26. The connecting assembly includes four telescopic rods 281 and two rectangular rubber rings 282. By rotating the first hand wheels 25 on the left and right sides, the first threaded rods 24 on the left and right sides are driven to rotate inside the left and right connecting plates 23. The left and right sliders 26 move downward inside the left and right rectangular frames 22 under the limitation of the four telescopic rods 281 and drive at least two suction cups 27 on the left and right sides to move downward inside the left and right rectangular frames 22 and move out of the left and right rectangular frames 22.

[0035] In this embodiment, the four telescopic rods 281 are arranged on the front and rear sides of the lower surface of the left and right connecting plates 23, the bottom ends of the telescopic rods 281 are fixedly connected to the upper surface of the slider 26, the two rectangular rubber rings 282 are arranged on the lower surfaces of the left and right rectangular frames 22, and the telescopic rods 281 include a first movable rod, and the first movable rod is internally slidably connected to the second movable rod.

[0036] It should be noted that by sucking at least two suction cups 27 on the left and right sides onto the support table, the stability of the placement of the pipe flange welding positioning tool can be improved. At the same time, the rectangular rubber rings 282 on the left and right sides can improve the anti-slip performance of the positioning tool. When the suction cups 27 are not in use, the suction cups 27 on the left and right sides can be retracted to the inside of the left and right rectangular frames 22 by rotating the first hand wheels 25 on the left and right sides. The shape of the rectangular frame 22 is a rectangular body with a hollow interior and missing top and bottom.

[0037] See also Figure 4 In order to reduce the manufacturing cost of the positioning tooling, in this embodiment, the fixing mechanism 4 includes two U-shaped rods 41, a moving block 42, a fixing plate 43, a second threaded rod 44, a second hand wheel 45, a first arc-shaped clamping plate 46 and a fixing assembly. The two U-shaped rods 41 are both arranged on the front and rear sides of the upper surface of the fixed platform 1, and the moving block 42 is slidably connected to the outer sides of the front and rear side U-shaped rods 41, and the lower surface of the moving block 42 is in contact with the upper surface of the fixed platform 1.

[0038] In this embodiment, the fixed plate 43 is arranged on the left side of the upper surface of the fixed platform 1, the second threaded rod 44 is threadedly connected to the inside of the fixed plate 43, the right side of the second threaded rod 44 is rotatably connected to the left side of the moving block 42 through a bearing, the second hand wheel 45 is fixed on the left side of the second threaded rod 44, and the first arc-shaped clamping plate 46 is arranged on the right side of the upper surface of the moving block 42. The fixed component includes a slide groove 471, a sliding block 472, a second arc-shaped clamping plate 473, a mounting plate 474, a third threaded rod 475 and a third hand wheel 476, and the slide groove 471 is opened on the upper surface of the moving block 42.

[0039] In this embodiment, one end of the L-shaped pipe can be placed on the upper surface of the moving block 42 and on the left side of the first arc-shaped clamping plate 46. By rotating the third hand wheel 476, the third threaded rod 475 is driven to rotate inside the mounting plate 474. The second arc-shaped clamping plate 473 moves to the right under the cooperation between the slide groove 471 and the sliding block 472, and then the bottom end of the L-shaped pipe is clamped and fixed under the cooperation between the first arc-shaped clamping plate 46 and the second arc-shaped clamping plate 473.

[0040] In this embodiment, the sliding block 472 is slidably connected to the inside of the sliding groove 471, the lower surface of the second arc-shaped clamping plate 473 is fixedly connected to the upper surface of the sliding block 472, the lower surface of the second arc-shaped clamping plate 473 is fitted with the upper surface of the moving block 42, the mounting plate 474 is arranged on the left side of the upper surface of the moving block 42, the third threaded rod 475 is threadedly connected to the inside of the mounting plate 474, the third hand wheel 476 is arranged on the left side of the third threaded rod 475, and the right side of the third threaded rod 475 is rotatably connected to the left side of the second arc-shaped clamping plate 473 through a bearing.

[0041] It should be noted that the flange can be sleeved on the right side of the L-shaped pipe, and the second hand wheel 45 can be turned to move the clamped L-shaped pipe to the right, so that the flange sleeved on the right side of the L-shaped pipe is abutted against the left side of the vertical plate 3. At this time, the flange and the circular joint of the pipe can be spot welded and positioned, and then the L-shaped elbow can be taken out and fully welded after the spot welding positioning is completed. At the same time, the flange welded at one end of the L-shaped pipe can be clamped and fixed by the above method, and then the flange at the other end of the L-shaped pipe can be positioned and welded. The entire process is clamped and positioned by manual mechanical movement, which can reduce the manufacturing cost of the positioning tooling.

[0042] The working principle of the above embodiment is:

[0043] (1) By rotating the first hand wheels 25 on the left and right sides, the first threaded rods 24 on the left and right sides are driven to rotate inside the left and right connecting plates 23. The sliders 26 on the left and right sides are limited by the four telescopic rods 281 and move downward inside the left and right rectangular frames 22 and drive the suction cups 27 on the left and right sides to move downward inside the left and right rectangular frames 22 and move out of the left and right rectangular frames 22. The suction cups 27 on the left and right sides are sucked on the support table to improve the stability of the pipe flange welding positioning tooling. At the same time, the rectangular rubber rings 282 on the left and right sides can improve the anti-slip performance of the positioning tooling. When the suction cups 27 are not in use, the suction cups 27 on the left and right sides can be retracted to the inside of the left and right rectangular frames 22 by rotating the first hand wheels 25 on the left and right sides. The rectangular frame 22 is a rectangular body with a hollow interior and missing top and bottom.

[0044] (2) One end of the L-shaped pipe can be placed on the upper surface of the moving block 42 and on the left side of the first arc-shaped clamping plate 46. By turning the third hand wheel 476, the third threaded rod 475 is driven to rotate inside the mounting plate 474. The second arc-shaped clamping plate 473 moves to the right under the cooperation between the slide groove 471 and the sliding block 472. Then, the bottom end of the L-shaped pipe is clamped and fixed by the cooperation between the first arc-shaped clamping plate 46 and the second arc-shaped clamping plate 473. At this time, the flange can be sleeved on the L-shaped pipe. The right side of the road is moved, and the second hand wheel 45 is turned to move the clamped L-shaped pipe to the right, so that the flange set on the right side of the L-shaped pipe abuts against the left side of the vertical plate 3. At this time, the circular joint of the flange and the pipe can be spot welded and positioned. After the spot welding positioning is completed, the L-shaped elbow is taken out and fully welded. At the same time, the flange welded at one end of the L-shaped pipe can be clamped and fixed by the above method, and the flange at the other end of the L-shaped pipe can be positioned and welded. The whole process is clamped and positioned by manual mechanical movement, which can reduce the manufacturing cost of the positioning tooling.

Claims

1. A pipe flange welding positioning tool, comprising a fixing table (1), characterized in that: The lower surface of the fixing platform (1) is provided with a connecting mechanism (2), the right side of the upper surface of the fixing platform (1) is provided with a vertical plate (3), and the upper surface of the fixing platform (1) is provided with a fixing mechanism (4); The connecting mechanism (2) comprises a U-shaped frame (21), two rectangular frames (22), two connecting plates (23), two first threaded rods (24), two first hand wheels (25), two sliders (26), no less than two suction cups (27) and a connecting assembly, wherein the U-shaped frame (21) is arranged on the lower surface of the fixed platform (1), the two rectangular frames (22) are arranged on the left and right sides of the U-shaped frame (21), the connecting plate (23) is fixed inside the rectangular frame (22), and the first threaded rod (24) is threadedly connected inside the connecting plate (23).

2. The pipeline flange welding positioning tool according to claim 1 is characterized in that: The first hand wheel (25) is arranged at the top end of the first threaded rod (24), the slider (26) is slidably connected inside the rectangular frame (22), the bottom end of the first threaded rod (24) is rotatably connected to the upper surface of the slider (26) via a bearing, and the suction cups (27) of at least two are arranged on the lower surfaces of the left and right sliders (26).

3. The pipeline flange welding positioning tool according to claim 1 is characterized in that: The connecting assembly comprises four telescopic rods (281) and two rectangular rubber rings (282); the four telescopic rods (281) are arranged on the front and rear sides of the lower surface of the left and right connecting plates (23); the bottom ends of the telescopic rods (281) are fixedly connected to the upper surface of the slider (26); and the two rectangular rubber rings (282) are arranged on the lower surfaces of the left and right rectangular frames (22).

4. The pipeline flange welding positioning tool according to claim 3 is characterized in that: The telescopic rod (281) comprises a first movable rod, and a second movable rod is slidably connected inside the first movable rod.

5. The pipeline flange welding positioning tool according to claim 1 is characterized in that: The fixing mechanism (4) comprises two U-shaped rods (41), a moving block (42), a fixing plate (43), a second threaded rod (44), a second hand wheel (45), a first arc-shaped clamping plate (46) and a fixing assembly, wherein the two U-shaped rods (41) are arranged on the front and rear sides of the upper surface of the fixing platform (1), the moving block (42) is slidably connected to the outer sides of the front and rear U-shaped rods (41), and the lower surface of the moving block (42) is in contact with the upper surface of the fixing platform (1).

6. The pipeline flange welding positioning tool according to claim 5, characterized in that: The fixed plate (43) is arranged on the left side of the upper surface of the fixed platform (1); the second threaded rod (44) is threadedly connected to the inside of the fixed plate (43); the right side of the second threaded rod (44) is rotatably connected to the left side of the moving block (42) via a bearing; the second hand wheel (45) is fixed on the left side of the second threaded rod (44); and the first arc-shaped clamping plate (46) is arranged on the right side of the upper surface of the moving block (42).

7. The pipeline flange welding positioning tool according to claim 5, characterized in that: The fixed component comprises a slide groove (471), a sliding block (472), a second arc-shaped clamping plate (473), a mounting plate (474), a third threaded rod (475) and a third hand wheel (476); the slide groove (471) is provided on the upper surface of the moving block (42); the sliding block (472) is slidably connected inside the slide groove (471); the lower surface of the second arc-shaped clamping plate (473) is fixedly connected to the upper surface of the sliding block (472); and the lower surface of the second arc-shaped clamping plate (473) is in contact with the upper surface of the moving block (42).

8. The pipeline flange welding positioning tool according to claim 7, characterized in that: The mounting plate (474) is arranged on the left side of the upper surface of the moving block (42), the third threaded rod (475) is threadedly connected to the inside of the mounting plate (474), the third hand wheel (476) is arranged on the left side of the third threaded rod (475), and the right side of the third threaded rod (475) is rotatably connected to the left side of the second arc-shaped clamping plate (473) through a bearing.

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