Pipe orifice trimming device for pipeline welding

By designing a multi -functional pipe mouth trim device, using the combined structure of sliding, slider, and rotating discs, the problem of unable to handle different sizes of steel pipes in existing devices can be solved. Positioning has improved welding quality and safety.

CN222386583UActive Publication Date: 2025-01-24江西赢华建筑系统集成有限责任公司
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Patent Information

Application Number
CN202420764104.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-15
Publication Date
2025-01-24
Estimated Expiration
2034-04-15

AI Technical Summary

Technical Problem

The existing pipe opening trimming device for pipe welding cannot effectively deal with steel pipes of different models and sizes, resulting in reduced welding quality and safety risks.

Method used

Design a tube repair device including base, standing board, rotating plate, sliding, sliding block, supporting rod, telescopic column, and polishing machine. Fix and polish the steel pipes at different sizes.

Benefits of technology

This device can effectively fix and polish different models and sizes of steel pipes, improve the flat efficiency of the welding pipeline mouth, and enhance the quality and safety of welding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The pipe orifice trimming device for pipeline welding comprises a base, a vertical plate is fixedly installed on one side of the top of the base, a rotating disc is rotatably connected to the side wall of the vertical plate, a plurality of first sliding grooves are formed in the side wall of the rotating disc, first sliding blocks are slidably connected to the inner sliding grooves of the first sliding grooves, and a plurality of second sliding blocks are slidably connected to the outer sliding grooves of the rotating disc. Supporting rods are fixedly connected to the side walls of the multiple first sliding blocks, a telescopic column is slidably arranged at the end, away from the vertical plate, of the top of the base, and a grinding machine is rotatably arranged at the top end of the telescopic column. When the pipe orifice of a pipeline needing to be welded is flattened and ground, the pipeline needing to be welded is supported from the inner wall of the pipeline through the four supporting rods arranged on the rotating disc, the pipeline is fixed, then the position and the height of the telescopic column are adjusted, the grinding machine is made to grind the pipe orifice of the pipeline, and the pipe orifice of the pipeline is ground by rotating the rotating disc. And the pipeline is driven to rotate, so that the grinding machine can grind the periphery of the pipeline.
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Description

Technical Field

[0001] The utility model relates to the technical field of pipeline welding, in particular to a pipe mouth trimming device for pipeline welding. Background Art

[0002] The pipe end trimming device for pipe welding plays a vital role in welding engineering. With the continuous advancement of industrial technology, the requirements for pipe welding quality are also increasing. Therefore, the technical development of pipe end trimming devices is also particularly important.

[0003] In the traditional pipeline welding process, problems such as irregular and uneven pipe openings often lead to reduced welding quality and even safety accidents. In order to solve these problems, technicians began to develop various pipe opening trimming devices to improve the efficiency and quality of pipeline welding.

[0004] The pipe end trimming device for pipeline welding has broad application prospects and important technical value in the current industrial field. With the continuous advancement and innovation of technology, it is believed that more efficient and intelligent pipe end trimming devices will be launched in the future, providing strong support for the development of pipeline welding projects.

[0005] Existing pipe end trimming devices for pipe welding are mostly used in production factories to batch process a batch of steel pipes of the same size. On construction sites, due to the inconsistent sizes of various pipes, they cannot be processed in large quantities. Most of them require workers to manually flatten the pipe ends, which consumes manpower and the grinding accuracy cannot be guaranteed. Utility Model Content

[0006] The object of the present invention is to provide a pipe end trimming device for pipe welding to solve the above-mentioned deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pipe mouth trimming device for pipeline welding, comprising a base, a vertical plate is fixedly installed on one side of the top of the base, a rotating disk is rotatably connected to the side wall of the vertical plate, a plurality of first sliding grooves are opened on the side wall of the rotating disk, a plurality of first sliding grooves are slidably connected to the first sliding blocks inside the plurality of first sliding grooves, a support rod is fixedly connected to the side walls of the plurality of first sliding blocks, a telescopic column is slidably provided at one end of the top of the base away from the vertical plate, and a grinder is rotatably provided at the top of the telescopic column.

[0008] As a further description of the above technical solution: multiple first sliding grooves are internally rotatably connected with adjusting screws, multiple adjusting screws are respectively threadedly connected to multiple first sliding blocks, one end of multiple adjusting screws is fixedly connected with a first bevel gear, multiple first bevel gears are all arranged inside the rotating disk, one side of multiple first bevel gears is provided with a second bevel gear, multiple first bevel gears are meshed with the second bevel gear, a first motor is fixedly installed inside the rotating disk, and the output end of the first motor is fixedly connected to the second bevel gear.

[0009] As a further description of the above technical solution: rubber pads are fixedly installed on the side walls where the plurality of support rods contact the inner wall of the pipe.

[0010] As a further description of the above technical solution: a second motor is fixedly mounted on the side wall of the vertical plate, and an output end of the second motor passes through the side wall of the vertical plate and is fixedly connected to the rotating disk.

[0011] As a further description of the above technical solution: a second slide groove is opened on the top of the base, a second slider is slidably connected inside the second slide groove, the top of the second slider is fixedly connected to the telescopic column, a ball screw is rotatably connected inside the second slide groove, the ball screw is threadedly connected to the second slider, a third motor is fixedly installed on the side wall of the base, and the output end of the third motor passes through the side wall of the base and is fixedly connected to the ball screw.

[0012] As a further description of the above technical solution: a connecting column is rotatably connected to the top side wall of the telescopic column, one end of the connecting column is fixedly connected to the grinder, and a locking stud is threadedly connected to the top of the telescopic column. The locking stud passes through the side wall of the telescopic column and contacts one end of the connecting column.

[0013] As a further description of the above technical solution: a support platform is fixedly installed on the top of the base, a support frame is slidably arranged on the top of the support platform, and a plurality of rotating shafts are rotatably connected to the top of the support frame.

[0014] The utility model provides a pipe mouth trimming device for pipe welding, which has the following beneficial effects: the utility model can be used to perform fixed grinding on steel pipes of different models and sizes, thereby improving the flattening efficiency of the pipe mouth of the welded pipe.

[0015] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0016] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a pipe mouth trimming device for pipe welding proposed by the utility model;

[0018] Figure 2 A schematic diagram of a three-dimensional structure of the utility model from another viewing angle;

[0019] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the utility model;

[0020] Figure 4 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the support rod of the utility model.

[0022] Legend:

[0023] 1. Base; 2. Vertical plate; 3. Rotating disk; 4. First slide groove; 5. First slider; 6. Support rod; 7. Telescopic column; 8. Grinder; 9. Adjusting screw; 10. First bevel gear; 11. Second bevel gear; 12. First motor; 13. Second motor; 14. Connecting column; 15. Locking stud; 16. Second slide groove; 17. Second slider; 18. Ball screw; 19. Third motor; 20. Support table; 21. Support frame; 22. Rotating shaft; 23. Spring; 24. Rubber pad. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-5 , a pipe mouth trimming device for pipeline welding comprises a base 1, a vertical plate 2 is fixedly installed on one side of the top of the base 1, a rotating disk 3 is rotatably connected to the side wall of the vertical plate 2, a plurality of first slide grooves 4 are opened on the side wall of the rotating disk 3, a plurality of first slide grooves 4 are slidably connected to the first sliders 5, a plurality of first sliders 5 are fixedly connected to the side walls, a telescopic column 7 is slidably provided at one end of the top of the base 1 away from the vertical plate 2, a grinder 8 is rotatably provided at the top of the telescopic column 7; when the pipe mouth of the pipe to be welded is smoothed and polished, the pipe to be welded is supported from the inner wall of the pipe by the four supporting rods 6 provided on the rotating disk 3, the pipe is fixed, and then the position and height of the telescopic column 7 are adjusted so that the grinder 8 grinds the pipe mouth of the pipe, and the pipe is driven to rotate by rotating the rotating disk 3 so that the grinder 8 can grind the surrounding of the pipe.

[0026] As a preferred technical solution of this embodiment, multiple first slide grooves 4 are internally rotatably connected with adjusting screws 9, and multiple adjusting screws 9 are respectively threadedly connected to multiple first sliders 5, and one end of multiple adjusting screws 9 is fixedly connected with a first bevel gear 10, and multiple first bevel gears 10 are all arranged inside the rotating disk 3, and one side of multiple first bevel gears 10 is provided with a second bevel gear 11, and multiple first bevel gears 10 are meshed with the second bevel gear 11, and a first motor 12 is fixedly installed inside the rotating disk 3, and the output end of the first motor 12 is fixedly connected to the second bevel gear 11; when fixing the pipeline, the first motor 12 is turned on, and the output end of the first motor 12 drives the second bevel gear 11 to rotate, so that the four first bevel gears 10 rotate, driving the adjusting screw 9 to rotate, so that the slider drives the support rod 6 to squeeze the inner wall of the pipeline to fix the pipeline.

[0027] As a preferred technical solution of this embodiment, rubber pads 24 are fixedly installed on the side walls where the support rods 6 contact the inner wall of the pipe; the rubber pads 24 increase the friction between the support rods 6 and the inner wall of the pipe, so that the pipe is fixed more firmly.

[0028] As a preferred technical solution of this embodiment, a second motor 13 is fixedly installed on the side wall of the vertical plate 2, and the output end of the second motor 13 passes through the side wall of the vertical plate 2 and is fixedly connected to the rotating disk 3; the rotating disk 3 is driven to rotate by the second motor 13.

[0029] As a preferred technical solution of this embodiment, a second slide groove 16 is provided on the top of the base 1, and a second slider 17 is slidably connected inside the second slide groove 16, and the top of the second slider 17 is fixedly connected to the telescopic column 7, and a ball screw 18 is rotatably connected inside the second slide groove 16, and the ball screw 18 is threadedly connected to the second slider 17. A third motor 19 is fixedly installed on the side wall of the base 1, and the output end of the third motor 19 passes through the side wall of the base 1 and is fixedly connected to the ball screw 18; the ball screw 18 is driven to rotate by the third motor 19, so that the second slider 17 threadedly connected to the ball screw 18 moves, and the position of the telescopic column 7 is adjusted.

[0030] As a preferred technical solution of this embodiment, a connecting column 14 is rotatably connected to the side wall of the top end of the telescopic column 7, one end of the connecting column 14 is fixedly connected to the grinder 8, and a locking stud 15 is threadedly connected to the top end of the telescopic column 7, and the locking stud 15 penetrates the side wall of the telescopic column 7 and contacts one end of the connecting column 14; by rotating the connecting column 14, the grinder 8 is driven to rotate, and the grinding angle of the grinder 8 to the pipe mouth is adjusted, and then by rotating the locking stud 15, one end of the locking stud 15 is squeezed against the connection, so that the connecting column 14 cannot rotate, and the grinding position of the grinder 8 is fixed.

[0031] As a preferred technical solution of this embodiment, a support platform 20 is fixedly installed on the top of the base 1, and a support frame 21 is slidably arranged on the top of the support platform 20, and a plurality of rotating shafts 22 are rotatably connected to the top of the support frame 21; a plurality of springs 23 are fixedly connected to the bottom of the support frame 21, and the bottom ends of the plurality of springs 23 are fixedly connected to the support platform 20; the trimmed pipe is supported by the support frame 21, which facilitates clamping and fixing the pipe, and the pressure on the support rod 6 can be reduced by the support frame 21, and at the same time, the rotating shaft 22 arranged on the top of the support frame 21 can reduce the friction between the support frame 21 and the pipe.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation 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.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pipe end trimming device for pipe welding, comprising a base (1), characterized in that: A vertical plate (2) is fixedly mounted on one side of the top of the base (1); a rotating disk (3) is rotatably connected to the side wall of the vertical plate (2); a plurality of first sliding grooves (4) are provided on the side wall of the rotating disk (3); first sliding blocks (5) are slidably connected to the internal sliding grooves of the plurality of first sliding grooves (4); support rods (6) are fixedly connected to the side walls of the plurality of first sliding blocks (5); a telescopic column (7) is slidably arranged at one end of the top of the base (1) away from the vertical plate (2); a grinder (8) is rotatably arranged at the top end of the telescopic column (7).

2. A pipe end trimming device for pipe welding according to claim 1, characterized in that: The first sliding grooves (4) are internally rotatably connected with adjusting screws (9), and the adjusting screws (9) are respectively threadedly connected to the first sliding blocks (5). One end of the adjusting screws (9) is fixedly connected with a first bevel gear (10). The first bevel gears (10) are all arranged inside the rotating disk (3). A second bevel gear (11) is arranged on one side of the first bevel gears (10). The first bevel gears (10) are meshed with the second bevel gears (11). A first motor (12) is fixedly installed inside the rotating disk (3), and an output end of the first motor (12) is fixedly connected to the second bevel gear (11).

3. A pipe end trimming device for pipe welding according to claim 2, characterized in that: A rubber pad (24) is fixedly mounted on the side wall where the plurality of support rods (6) contact the inner wall of the pipe.

4. A pipe end trimming device for pipe welding according to claim 2, characterized in that: A second motor (13) is fixedly mounted on the side wall of the vertical plate (2), and an output end of the second motor (13) passes through the side wall of the vertical plate (2) and is fixedly connected to the rotating disk (3).

5. A pipe end trimming device for pipe welding according to claim 4, characterized in that: A second slide groove (16) is provided at the top of the base (1), a second slider (17) is slidably connected inside the second slide groove (16), the top of the second slider (17) is fixedly connected to the telescopic column (7), a ball screw (18) is rotatably connected inside the second slide groove (16), the ball screw (18) is threadedly connected to the second slider (17), a third motor (19) is fixedly mounted on the side wall of the base (1), the output end of the third motor (19) passes through the side wall of the base (1) and is fixedly connected to the ball screw (18).

6. A pipe end trimming device for pipe welding according to claim 4, characterized in that: A connecting column (14) is rotatably connected to the side wall of the top end of the telescopic column (7), one end of the connecting column (14) is fixedly connected to the grinder (8), and a locking stud (15) is threadedly connected to the top end of the telescopic column (7), and the locking stud (15) passes through the side wall of the telescopic column (7) and contacts one end of the connecting column (14).

7. A pipe end trimming device for pipe welding according to claim 4, characterized in that: A support platform (20) is fixedly mounted on the top of the base (1), a support frame (21) is slidably arranged on the top of the support platform (20), and a plurality of rotating shafts (22) are rotatably connected to the top of the support frame (21).