Automatic flange centering mechanism for pipeline assembling

Abstract

The utility model relates to the technical field of welding assembly tools, and discloses an automatic flange centering mechanism for pipeline assembly, which comprises a main body block, the top of the main body block is fixedly connected with a guide shaft, the outer ring of the guide shaft penetrates through and is slidably connected with a sliding piece, the outer ring of the guide shaft is provided with a fixed piece, and the fixed piece is fixedly connected with the main body block. A first screw rod penetrates through and is in threaded connection with the front side of the sliding piece, two connecting rods penetrate through and are rotationally connected with the outer ring of the first screw rod, two rubidium magnets penetrate through and are arranged on the front side of the main body block, and a second sliding block is arranged on the left side of the main body block. According to the utility model, the right-and-left threaded rod is rotated by holding the grip and rotating the right-and-left threaded rod, so that the first sliding block and the second sliding block are driven to simultaneously move towards the left side and the right side or simultaneously move towards the center, and after the position is adjusted, the bearing follower is clamped into a hole in a flange, so that not only is the use convenient, but also the assembly is accurate; the device is suitable for flanges of various sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of welding assembly tooling, in particular to an automatic flange centering mechanism for assembling pipelines. Background Art

[0002] Pipeline connection is a common operation in industrial production, and pipe and flange connection is a common connection method. In some occasions where pipeline connection requirements are very strict, such as high-pressure pipelines and chemical equipment, the accuracy and stability of alignment are particularly important.

[0003] After searching, the existing Chinese patent announcement number is: CN219131312U, which provides a medium-diameter pipe neck butt-welding flange assembly device. The patent can adjust the distance between the two positioning sliders to meet the assembly needs of medium-diameter pipes and neck butt-welding flanges of different specifications. It is easy to use, flexible and versatile.

[0004] Although the above patent can assemble medium-diameter pipes with neck butt-weld flanges of different specifications, the above-mentioned medium-diameter pipe neck butt-weld flange assembling device still has the following problems: the device meets the needs of assembling medium-diameter pipes with neck butt-weld flanges of different specifications, but is not suitable for the needs of assembling normal flanges, and is inconvenient to use.

[0005] In view of the above problems, an automatic centering mechanism for flanges of assembled pipelines is proposed. Utility Model Content

[0006] The utility model aims to provide an automatic centering mechanism for assembling flanges for pipelines, which solves the problem that the background technology is not applicable to the assembly requirements of normal flanges.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic centering mechanism for assembling flanges for pipelines, comprising a main body block, a guide shaft fixedly connected to the top of the main body block, a sliding member passing through and slidably connected to the outer ring of the guide shaft, a fixing member arranged on the outer ring of the guide shaft, a first screw passing through and threadedly connected to the front side of the sliding member, the outer ring of the first screw passing through and rotatably connected to two connecting rods, two rubidium magnets passing through and arranged on the front side of the main body block, a second slider being arranged on the left side of the main body block, a first slider being arranged on the right side of the main body block, a pad being fixedly connected to the front sides of the first slider and the second slider, bearing followers being fixedly connected to the front sides of the two pads, a bottom plate being fixedly connected to the bottom of the main body block, baffles being fixedly connected to the left and right sides of the top of the bottom plate, a gripping block being fixedly connected to the rear side of the main body block, and a clamping structure being arranged at the bottom of the main body block.

[0008] By adopting the above technical solution, the rubidium magnet can be adsorbed on the flange, thereby assisting the bearing follower to connect with the hole on the flange, and the gasket is used to limit the position of the flange so that the flange can be clamped by the two bearing followers.

[0009] As a further description of the above technical solution: the clamping structure includes a stopper, which is fixedly connected to the main block, a control groove is provided at the bottom of the main block, the two stoppers are located in the control groove, a forward and reverse threaded rod passes through and is rotatably connected between the two stoppers, the outer ring of the forward and reverse threaded rod passes through and is threadedly connected to the first slider and the second slider, and a handle is fixedly connected to the left end of the forward and reverse threaded rod.

[0010] By adopting the above technical solution, the positive and negative threaded rods are made of Q235 carbon steel, the threads on the left and right sides are in opposite directions, and the slider is made of Q235 carbon steel. It is mainly used to move on the threaded rod, to support the two adjacent holes of the flange, and to apply tensioning force to fix the entire mechanism on the flange.

[0011] As a further description of the above technical solution: the other ends of the two connecting rods are penetrated by and rotatably connected with a second screw rod, and the two second screw rods are respectively penetrated by and threadedly connected with the first slider and the second slider.

[0012] By adopting the above technical solution, only the rear end portion of the outer surface of the second screw has threads, and the front end is smooth, so that the second screw can rotate with the connecting rod.

[0013] As a further description of the above technical solution: a flange is provided between the two bearing followers.

[0014] By adopting the above technical solution, the two bearing followers are respectively inserted into the holes on the flange.

[0015] As a further description of the above technical solution: the baffle is fixedly connected to the main body block, and the two baffles are both located in the control groove.

[0016] By adopting the above technical solution, the control groove is a hole dug out at the bottom of the main block, and the baffle is located in the control groove.

[0017] As a further description of the above technical solution: a second limit screw passes through and is threadedly connected to the left side of the sliding member, and the second limit screw is in contact with the guide shaft.

[0018] By adopting the above technical solution, when the second limit screw is tightened, the second limit screw and the guide shaft are squeezed to fix the sliding member at the position.

[0019] As a further description of the above technical solution: a first limiting screw penetrates and is threadedly connected to the right side of the first sliding block and the left side of the second sliding block, and the first limiting screw is in contact with the second screw rod.

[0020] By adopting the above technical solution, after the first limiting screw is tightened, the first limiting screw and the second screw rod are squeezed to limit the first sliding block and the second sliding block.

[0021] As a further description of the above technical solution: the forward and reverse threaded rods penetrate through and are rotationally connected to the baffle.

[0022] By adopting the above technical solution, the central part of the outer surface of the positive and negative threaded rod is smooth, so it can slide with the baffle plate and the stop block.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] The utility model provides an automatic centering mechanism for flanges for assembling pipes, which includes positive and negative threaded rods, a baffle, a bottom plate, a first slider, a second slider and a handle. The positive and negative threaded rods are rotated by holding the handle to drive the first slider and the second slider to move to the left and right sides at the same time or to the center at the same time. After the position is adjusted, the bearing follower can be inserted into the hole on the flange. The utility model is not only easy to use, but also has accurate assembly and is suitable for various flange sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 It is a front view of the overall structure of the utility model;

[0027] Figure 3 This is a rear view of the overall structure of the utility model;

[0028] Figure 4 It is a schematic diagram of the clamping structure of the utility model.

[0029] In the figure: 1. main block; 2. guide shaft; 3. fixing part; 4. flange; 5. positive and negative threaded rod; 6. first limit screw; 7. second limit screw; 8. sliding part; 9. first screw rod; 10. connecting rod; 11. neodymium magnet; 12. bearing follower; 13. pad; 14. second screw rod; 15. first slider; 16. gripping block; 17. second slider; 18. control groove; 19. stop block; 20. baffle; 21. bottom plate; 22. handle. DETAILED DESCRIPTION

[0030] 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.

[0031] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0032] Combination Figure 1 The utility model discloses an automatic centering mechanism for assembling flanges for pipelines, comprising a main body block 1, a guide shaft 2 is fixedly connected to the top of the main body block 1, a sliding member 8 is penetrated through the outer ring of the guide shaft 2 and slidably connected, a fixing member 3 is arranged on the outer ring of the guide shaft 2, a first screw rod 9 is penetrated and threadedly connected to the front side of the sliding member 8, two connecting rods 10 are penetrated and rotatably connected to the outer ring of the first screw 9, two nebulium magnets 11 are penetrated and arranged on the front side of the main body block 1, a second slider 17 is arranged on the left side of the main body block 1, a first slider 15 is arranged on the right side of the main body block 1, a pad 13 is fixedly connected to the front sides of the first slider 15 and the second slider 17, a bearing follower 12 is fixedly connected to the front sides of the two pads 13, a bottom plate 21 is fixedly connected to the bottom of the main body block 1, baffles 20 are fixedly connected to the left and right sides of the top of the bottom plate 21, a gripping block 16 is fixedly connected to the rear side of the main body block 1, and a clamping structure is arranged at the bottom of the main body block 1.

[0033] The bearing follower 12 is made of bearing steel and is fixed on the pad 13. Because it is a bearing structure, the structure will be more accurately aligned, and the main block 1 is equipped with a nepheline magnet 11 for better fixing. After the flange 4 and the pipeline are aligned, the fixing part 3 on the surface of the guide shaft 2 is tightened. When the flange 4 and the pipeline are aligned later, the moving distance and position of the guide shaft 2 can be known. When using the device, the gripping block 16 can be held for support, which is convenient to use. The block 19 and the base plate 21 are welded or turned into an integrated structure.

[0034] Combination Figure 4 The clamping structure includes a stopper 19, which is fixedly connected to the main block 1. A control groove 18 is provided at the bottom of the main block 1. Two stoppers 19 are located in the control groove 18. A forward and reverse threaded rod 5 passes through and is rotatably connected between the two stoppers 19. The outer circle of the forward and reverse threaded rod 5 passes through and is threadedly connected to the first slider 15 and the second slider 17. A handle 22 is fixedly connected to the left end of the forward and reverse threaded rod 5.

[0035] When the grip 22 is twisted clockwise, the forward and reverse threaded rod 5 rotates, and the first slider 15 and the second slider 17 move outward. When the grip 22 is twisted counterclockwise, the forward and reverse threaded rod 5 rotates, and the first slider 15 and the second slider 17 move inward.

[0036] Combination Figure 2 and Figure 3 The other ends of the two connecting rods 10 are penetrated and rotatably connected with the second screw rod 14, the two second screw rods 14 are respectively penetrated and threadedly connected with the first slider 15 and the second slider 17, a flange 4 is penetrated and provided between the two bearing followers 12, the baffle 20 is fixedly connected to the main block 1, the two baffles 20 are both located in the control groove 18, the left side of the sliding member 8 is penetrated and threadedly connected with the second limit screw 7, the second limit screw 7 is in contact with the guide shaft 2, the right side of the first slider 15 and the left side of the second slider 17 are penetrated and threadedly connected with the first limit screw 6, the first limit screw 6 is in contact with the second screw 14, and the positive and negative threaded rods 5 are penetrated and rotatably connected between the baffle 20.

[0037] When the first slider 15 and the second slider 17 are opened outward, the first slider 15 and the second slider 17 pull a connecting rod 10 respectively, and as the two connecting rods 10 move, the sliding member 8 is pulled downward. When the first slider 15 and the second slider 17 move toward the center, the two connecting rods 10 push the sliding member 8 upward, and the position of the sliding member 8 can be limited by the second limit screw 7.

[0038] Working principle: first, screw the handle 22 according to the size of the flange 4, and the positive and negative threaded rods 5 rotate together. The first slider 15 moves to the right along the threads of the positive and negative threaded rods 5, and the second slider 17 moves to the left along the threads of the positive and negative threaded rods 5. When the bearing follower 12 on the front end pads 13 of the first slider 15 and the second slider 17 is adjusted to the position of the holes in the flange 4, the bearing follower 12 is inserted into the corresponding hole, and the rubidium magnet 11 magnetically attracts the flange 4. As the first slider 15 and the second slider 17 move, the sliding member 8 is driven by the connecting rod 10 to move.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic centering mechanism for flanges for assembling pipelines, comprising a main block (1), characterized in that: The top of the main body block (1) is fixedly connected with a guide shaft (2), the outer ring of the guide shaft (2) penetrates and is slidably connected with a sliding member (8), the outer ring of the guide shaft (2) is provided with a fixing member (3), the front side of the sliding member (8) penetrates and is threadedly connected with a first screw rod (9), the outer ring of the first screw rod (9) penetrates and is rotatably connected with two connecting rods (10), the front side of the main body block (1) penetrates and is provided with two rubidium magnets (11), the left side of the main body block (1) is provided with a second sliding block (17), the A first sliding block (15) is arranged on the right side of the main body block (1), the front sides of the first sliding block (15) and the second sliding block (17) are both fixedly connected to a pad (13), the front sides of the two pads (13) are both fixedly connected to a bearing follower (12), the bottom of the main body block (1) is fixedly connected to a bottom plate (21), the top left and right sides of the bottom plate (21) are both fixedly connected to baffles (20), the rear side of the main body block (1) is fixedly connected to a gripping block (16), and a clamping structure is arranged at the bottom of the main body block (1).

2. The automatic centering mechanism for flanges for assembling pipelines according to claim 1, characterized in that: The clamping structure comprises a stopper (19), the stopper (19) is fixedly connected to the main body block (1), a control groove (18) is provided at the bottom of the main body block (1), two of the stoppers (19) are located in the control groove (18), a forward and reverse threaded rod (5) passes through and is rotatably connected between the two stoppers (19), an outer ring of the forward and reverse threaded rod (5) passes through and is threadedly connected to the first slider (15) and the second slider (17), and a handle (22) is fixedly connected to the left end of the forward and reverse threaded rod (5).

3. The automatic centering mechanism for flanges for assembling pipelines according to claim 1, characterized in that: The other ends of the two connecting rods (10) are penetrated by and rotatably connected with a second screw rod (14), and the two second screw rods (14) respectively penetrate and are threadedly connected with the first slider (15) and the second slider (17).

4. The automatic centering mechanism for flanges for assembling pipelines according to claim 1, characterized in that: A flange (4) is provided between the two bearing followers (12).

5. The automatic centering mechanism for flanges for assembling pipelines according to claim 1, characterized in that: The baffle plate (20) is fixedly connected to the main body block (1), and the two baffle plates (20) are both located in the control groove (18).

6. The automatic centering mechanism for flanges for assembling pipelines according to claim 1, characterized in that: A second limit screw (7) passes through and is threadedly connected to the left side of the sliding member (8), and the second limit screw (7) is in contact with the guide shaft (2).

7. The automatic centering mechanism for flanges for assembling pipelines according to claim 1, characterized in that: A first limiting screw (6) penetrates and is threadedly connected to the right side of the first sliding block (15) and the left side of the second sliding block (17), and the first limiting screw (6) is in contact with the second screw rod (14).

8. The automatic centering mechanism for flanges for assembling pipelines according to claim 2, characterized in that: The forward and reverse threaded rod (5) penetrates through and is rotatably connected to the baffle (20).

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