Anti-deviation device for circular pipe welding

By designing an anti-deviation device, a motor-driven rotating rod and worm gear mechanism are used to achieve stable fixing and center positioning of the round tube, solving the problems of low efficiency and deviation in manual operation and improving welding quality.

CN223684761UActive Publication Date: 2025-12-19ANHUI DEFENG INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202423039143.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-12-19
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

When welding small-scale round pipes, manual operation is inefficient and labor-intensive, which can easily lead to the deviation of the central axis of the round pipe, making it impossible to achieve precise center positioning, resulting in skewed welds and affecting the quality of the round pipe.

Method used

An anti-deviation device was designed, comprising a processing table, side plate, motor, rotating rod, limit block, and worm gear mechanism. The rotating rod and worm gear mechanism driven by the motor are used to fix and center the round tube, while rubber fixing plate and friction plate are used to prevent deviation and ensure stability during the welding process.

Benefits of technology

It improves welding efficiency, reduces tube offset, ensures welding quality, achieves precise center positioning of the tube, and avoids welding defects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-deviation device for round pipe welding, which comprises a processing table and two groups of side plates, the side plates are connected with a first motor and a connecting plate, the first motor is connected with a rotating rod, the rotating rod is connected with an adjusting seat, a third motor is arranged in the adjusting seat, the third motor is connected with a screw rod, and a moving block is arranged on the peripheral side surface of the screw rod. The movable block is connected with a limiting block, the limiting block is connected with a connecting rod, the peripheral side face of the adjusting base is connected with a supporting rod, the supporting rod is connected with a fixing plate, a notch is formed in the upper surface of the connecting plate, a threaded sleeve is fixedly installed in the notch, a lead screw is installed in the threaded sleeve, and the bottom end of the lead screw is connected with a friction plate. The utility model solves the problems that the circular tube needs to be rotated according to the welding progress in the welding process, the central axis of the circular tube is easy to deviate due to manual fatigue or mechanical vibration in the welding process, the accurate central positioning cannot be realized, the circular tube cannot be stably fixed, and the quality defect of the circular tube is caused by the deviation of the welding part of the circular tube.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to pipe welding technical field, especially, relate to a kind of anti-deviation device of pipe welding. BACKGROUND

[0002] Pipe refers to the steel material with the length compared to the larger circumference of two ends opening and having hollow concentric circle section, it can be used for pipeline, thermal equipment, mechanical industry, petroleum geology drilling, container, chemical industry and special purpose.

[0003] During welding process, for the smaller scale pipe processing, generally, support base, threaded joint and pipe are first spot welded between them by artificial, then the gap between flange and pipe is welded, during welding process, pipe needs to be rotated according to the progress of welding, the working efficiency of worker is lower, the working intensity is larger, and during welding process, pipe center axis is easy to deviate due to artificial fatigue or mechanical vibration, accurate center positioning cannot be realized, pipe cannot be stably fixed, which leads to pipe quality defect caused by pipe welding deviation, in order to solve the above problems, the anti-deviation device of pipe welding is proposed. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a kind of anti-deviation device of pipe welding, solve the problem that during welding process, for the smaller scale pipe processing, generally, support base, threaded joint and pipe are first spot welded between them by artificial, then the gap between flange and pipe is welded, during welding process, pipe needs to be rotated according to the progress of welding, the working efficiency of worker is lower, the working intensity is larger, and during welding process, pipe center axis is easy to deviate due to artificial fatigue or mechanical vibration, accurate center positioning cannot be realized, pipe cannot be stably fixed, which leads to pipe quality defect caused by pipe welding deviation.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model discloses a kind of anti-deviation devices of round tube welding, including processing table and two groups of side plates, the surface of side plate is fixedly connected with first motor, the output of first motor is fixedly connected with rotating rod, one end of rotating rod is fixedly connected with adjusting seat, third motor is fixedly installed in adjusting seat, the output of third motor is fixedly connected with screw rod, the circumferential surface of screw rod is installed with several moving blocks, the circumferential surface of moving block is fixedly connected with several limit blocks, the upper surface of limit block is connected with connecting rod, the circumferential surface of adjusting seat is connected with several struts, one end of strut is fixedly connected with fixed plate, one end of connecting rod is connected with strut, the surface of side plate is fixedly connected with connecting plate, the upper surface of connecting plate is provided with notch, screw sleeve is fixedly installed in notch, screw rod is installed in screw sleeve, the bottom end of screw rod is connected with friction plate.

[0007] Preferably, the upper surface of the processing table is connected with a turntable and a plurality of guide rods, one end of the guide rod penetrates the side plate, the upper surface of the turntable is connected with a plurality of push-pull rods, one end of the push-pull rod is connected with the side plate, the bottom surface of the turntable is fixedly connected with a drive rod, the bottom end of the drive rod is fixedly connected with a worm gear, the bottom surface of the processing table is fixedly connected with a mounting plate and a plurality of support columns, one surface of the mounting plate is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a worm.

[0008] Preferably, the circumferential surface of the adjusting seat is provided with a plurality of limiting grooves, the limit block and the limiting groove are in sliding fit.

[0009] Preferably, the screw rod is in threaded fit with the moving block, and the rotating rod is in rotational connection with the side plate.

[0010] Preferably, the strut is in rotational connection with the adjusting seat, and the limit block and the strut are both in hinged connection with the connecting rod.

[0011] Preferably, the screw rod is in threaded fit with the moving block, and the rotating rod is in rotational connection with the side plate.

[0012] Preferably, the side plate is in sliding fit with the guide rod, the worm is in meshing with the worm gear, the turntable is in rotational connection with the processing table, the turntable is in rotational connection with the push-pull rod, and the side plate is in hinged connection with the push-pull rod.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model discloses a support rod, fixed plate, rotating rod and friction plate are set up, the two pipes that need to weld are respectively covered in the circumferential side of two adjusting seat, and two adjusting seat is in a same horizontal line, and third motor drives screw rod rotation, and moving block carries out horizontal movement, and moving block drives limit block to move, and limit block promotes support rod rotation up and down through connecting rod, make support rod promote fixed plate and the inner wall of pipe and fit, can adjust and fix according to the pipe diameter size of pipe, and the material of fixed plate is rubber, and rubber friction coefficient is big, can guarantee that the pipe welding process occurs deviation, in the welding process, two first motor all simultaneously drive rotating rod same -speed same -direction rotation, after the angle adjustment of pipe is completed, forward rotation screw rod, and screw rod promotes friction plate down, makes it and rotating rod fit, can lock rotating rod, avoid the rotation of pipe again in the process of welding, avoid the appearance pipe welding and appear defect;

[0015] 2. The utility model discloses a worm, worm wheel and carousel are set up, after fixing the pipe in the circumferential side of adjusting seat, second motor drives worm rotation, and worm promotes drive rod rotation through with the meshing between worm wheel, and drive rod further promotes carousel rotation, and carousel promotes push -and -pull rod rotation, and push -and -pull rod from both sides pull side plate and move towards each other, make the end of two pipes mutually fit, and side plate always carries out horizontal position movement in the process of moving under the guiding effect of guide rod, make two pipes can always be in central axis, avoid the deviation of pipe.

[0016] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the right view structure schematic diagram of the utility model;

[0020] Figure 3 It is the sectional structure schematic diagram of the utility model;

[0021] Figure 4 It is Figure 3 The local enlarged structure schematic diagram of A place in;

[0022] Figure 5 It isFigure 3 Local enlarged structure schematic view at B.

[0023] In the drawings, the components represented by the numbers are listed as follows: 1, processing table; 2, side plate; 3, first motor; 4, adjusting seat; 5, mounting plate; 6, second motor; 7, rotating disc; 8, push-pull rod; 9, guide rod; 10, worm; 11, driving rod; 12, worm gear; 13, third motor; 14, screw rod; 15, moving block; 16, limiting block; 17, connecting rod; 18, supporting rod; 19, fixed plate; 20, limiting groove; 21, rotating rod; 22, connecting plate; 23, screw sleeve; 24, screw rod; 25, friction plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] In the description of the present application, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0026] Please refer to Figures 1-5As shown, the utility model is a kind of anti-deviation device of pipe welding, including processing table 1 and two groups of side plate 2, the surface of side plate 2 is fixedly connected with first motor 3, the output of first motor 3 is fixedly connected with rotating rod 21, and one end of rotating rod 21 is fixedly connected with adjusting seat 4, third motor 13 is fixedly installed in adjusting seat 4, the output of third motor 13 is fixedly connected with screw rod 14, and a plurality of moving blocks 15 are installed on the circumferential surface of screw rod 14, a plurality of limit blocks 16 are fixedly connected on the circumferential surface of moving block 15, the upper surface of limit block 16 is connected with connecting rod 17, the circumferential surface of adjusting seat 4 is connected with a plurality of struts 18, one end of strut 18 is fixedly connected with fixed plate 19, one end of connecting rod 17 is connected with strut 18, the surface of side plate 2 is fixedly connected with connecting plate 22, the upper surface of connecting plate 22 is provided with notch, screw sleeve 23 is fixedly installed in notch, screw rod 24 is installed in screw sleeve 23, the bottom end of screw rod 24 is connected with friction plate 25, by setting strut 18, fixed plate 19, rotating rod 21 and friction plate 25, two pipes needing welding are respectively covered in the circumferential surface of two adjusting seats 4, and two adjusting seats 4 are in the same horizontal line, third motor 3 drives screw rod 14 to rotate, moving block 15 moves horizontally, moving block 15 drives limit block 16 to move, limit block 16 drives strut 18 to rotate up and down by connecting rod 17, so that strut 18 drives fixed plate 19 to adhere to the inner wall of pipe, can be adjusted and fixed according to the pipe diameter size of pipe, and the material of fixed plate 19 is rubber, and the friction coefficient of rubber is large, can guarantee that deviation occurs in the process of pipe welding, in the welding process, two first motors 3 simultaneously drive rotating rod 21 to rotate at the same speed and in the same direction, after the angle adjustment of pipe is completed, screw rod 24 is rotated forward, and screw rod 24 pushes down friction plate 25, so that it adheres to rotating rod 21, can lock rotating rod 21, avoid that pipe rotates again in the process of welding, avoid that pipe welding appears defect.

[0027] The upper surface of the processing table 1 is connected with a rotating disc 7 and a plurality of guide rods 9, one end of the guide rod 9 penetrates through the side plate 2, the upper surface of the rotating disc 7 is connected with a plurality of push-pull rods 8, one end of the push-pull rod 8 is connected with the side plate 2, the bottom surface of the rotating disc 7 is fixedly connected with a driving rod 11, the bottom end of the driving rod 11 is fixedly connected with a worm wheel 12, the bottom surface of the processing table 1 is fixedly connected with a mounting plate 5 and a plurality of supporting columns, one surface of the mounting plate 5 is fixedly connected with a second motor 6, the output end of the second motor 6 is fixedly connected with a worm 10, by setting the worm 10, the worm wheel 12 and the rotating disc 7, after the circular tube is sleeved on the circumferential surface of the adjusting seat 4, the second motor 6 drives the worm 10 to rotate, the worm 10 rotates through the meshing between the worm wheel 12, so that the worm wheel 12 drives the driving rod 11 to rotate, the driving rod 11 further drives the rotating disc 7 to rotate, the rotating disc 7 drives the push-pull rod 8 to rotate, the push-pull rod 8 pulls the side plate 2 from both sides to move towards each other, so that one end of the two circular tubes abuts each other, the side plate 2 always moves horizontally in the process of moving under the guidance of the guide rod 9, so that the two circular tubes can always be at the center axis, avoiding the deviation of the circular tube.

[0028] The circumferential surface of the adjusting seat 4 is provided with a plurality of limiting grooves 20, and the limiting block 16 is in sliding fit with the limiting groove 20.

[0029] The screw rod 14 is in threaded fit with the moving block 15, and the rotating rod 21 is in rotary connection with the side plate 2.

[0030] The supporting rod 18 is in rotary connection with the adjusting seat 4, and the limiting block 16 and the supporting rod 18 are both hinged with the connecting rod 17.

[0031] The screw rod 24 is in threaded fit with the screw sleeve 23, and the screw rod 24 is in rotary connection with the friction plate 25.

[0032] The side plate 2 is in sliding fit with the guide rod 9, the worm 10 is in meshing with the worm wheel 12, the rotating disc 7 is in rotary connection with the processing table 1, the rotating disc 7 is in rotary connection with the push-pull rod 8, and the side plate 2 is hinged with the push-pull rod 8.

[0033] Embodiment:

[0034] As Figures 1-5As shown in the method for using the anti-deviation device for pipe welding of the utility model is as follows: when using the utility model, first, the two pipes to be welded are respectively sleeved on the circumferential side surface of the two adjusting seats 4, the two adjusting seats 4 are on the same horizontal line, the third motor 3 drives the screw rod 14 to rotate, the moving block 15 moves horizontally, the moving block 15 drives the limiting block 16 to move, the limiting block 16 pushes the supporting rod 18 up and down through the connecting rod 17, so that the supporting rod 18 pushes the fixed plate 19 to be attached to the inner wall of the pipe, the pipe diameter can be adjusted and fixed, the material of the fixed plate 19 is rubber, the friction coefficient of rubber is large, and deviation of the pipe during welding can be prevented, after the pipe is sleeved on the circumferential side surface of the adjusting seat 4 and fixed, the second motor 6 drives the worm 10 to rotate, the worm 10 drives the worm wheel 12 to rotate through meshing between the worm 10 and the worm wheel 12, the driving rod 11 is further driven by the worm wheel 12 to rotate, the driving rod 11 drives the rotating disc 7 to rotate, the rotating disc 7 drives the push-pull rod 8 to rotate, the push-pull rod 8 pulls the side plate 2 from both sides to move towards each other, so that one end of the two pipes is attached to each other, the side plate 2 always moves horizontally under the guidance of the guide rod 9 during movement, so that the two pipes can always be at the center axis, during welding, the two first motors 3 simultaneously drive the rotating rod 21 to rotate at the same speed and in the same direction, after the angle of the pipe is adjusted, the screw rod 24 is rotated forward, the friction plate 25 is pushed downward by the screw rod 24, so that the friction plate 25 is attached to the rotating rod 21, the rotating rod 21 can be locked, the pipe is prevented from rotating again during welding, and defects in pipe welding are avoided, it is necessary to additionally indicate that the welding device is fixedly installed above the machining table 1 through bolts, the position of the welding head is adapted to the position of the center of the rotating disc 7, the electrical components appearing in the text are electrically connected with the main control unit and the power supply, the main control unit can be a computer and other conventional known devices for control, and the existing disclosed power connection technology can effectively control the two first motors 3 to rotate in the same direction and at the same speed through program setting, which will not be described herein.

[0035] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A deviation-preventing device for round pipe welding, comprising a machining table (1) and two groups of side plates (2), characterized in that, One surface of the side plate (2) is fixedly connected with a first motor (3), an output end of the first motor (3) is fixedly connected with a rotating rod (21), one end of the rotating rod (21) is fixedly connected with an adjusting seat (4), the adjusting seat (4) is fixedly installed with a third motor (13) in it, an output end of the third motor (13) is fixedly connected with a screw rod (14), a plurality of moving blocks (15) are installed on the circumferential surface of the screw rod (14), the circumferential surface of the moving block (15) is fixedly connected with a plurality of limiting blocks (16), the upper surface of the limiting block (16) is connected with a connecting rod (17), the circumferential surface of the adjusting seat (4) is connected with a plurality of supporting rods (18), one end of the supporting rod (18) is fixedly connected with a fixed plate (19), one end of the connecting rod (17) is connected with the supporting rod (18), one surface of the side plate (2) is fixedly connected with a connecting plate (22), the upper surface of the connecting plate (22) is provided with a notch, the notch is fixedly installed with a screw sleeve (23) in it, the screw sleeve (23) is installed with a screw rod (24) in it, the bottom end of the screw rod (24) is connected with a friction plate (25).

2. A misalignment prevention device for pipe welding according to claim 1, wherein The upper surface of the processing table (1) is connected with a rotating disc (7) and a plurality of guide rods (9), one end of the guide rod (9) penetrates through the side plate (2), the upper surface of the rotating disc (7) is connected with a plurality of push-pull rods (8), one end of the push-pull rod (8) is connected with the side plate (2), the bottom surface of the rotating disc (7) is fixedly connected with a driving rod (11), the bottom end of the driving rod (11) is fixedly connected with a worm gear (12), the bottom surface of the processing table (1) is fixedly connected with a mounting plate (5) and a plurality of supporting columns, one surface of the mounting plate (5) is fixedly connected with a second motor (6), an output end of the second motor (6) is fixedly connected with a worm (10).

3. A misalignment prevention device for pipe welding according to claim 1, wherein The circumferential surface of the adjusting seat (4) is provided with a plurality of limiting grooves (20), the limiting block (16) is in sliding fit with the limiting groove (20).

4. A misregistration prevention device for pipe welding as set forth in claim 1, wherein The screw rod (14) is in threaded fit with the moving block (15), the rotating rod (21) is in rotary connection with the side plate (2).

5. A misregistration prevention device for pipe welding as set forth in claim 1, wherein The supporting rod (18) is in rotary connection with the adjusting seat (4), the limiting block (16) and the supporting rod (18) are both hinged with the connecting rod (17).

6. A misregistration prevention device for pipe welding as set forth in claim 1, wherein The screw rod (24) is in threaded fit with the screw sleeve (23), the screw rod (24) is in rotary connection with the friction plate (25).

7. A misregistration prevention device for pipe welding as set forth in claim 2, wherein The side plate (2) is in sliding fit with the guide rod (9), the worm (10) is in meshing with the worm gear (12), the rotating disc (7) is in rotary connection with the processing table (1), the rotating disc (7) is in rotary connection with the push-pull rod (8), the side plate (2) is hinged with the push-pull rod (8).