Automatic slag removal and purging equipment for inner wall of welded pipe

Abstract

The utility model relates to the field of welded pipe slag removing equipment, and discloses welded pipe inner wall automatic slag removing and purging equipment which comprises a shell, the inner wall of the shell is connected with a telescopic leg through a limiting assembly, the inner wall of the top of the telescopic leg is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a wheel. A second motor is fixedly connected to the inner wall of the front portion of the shell, a cleaning frame is fixedly connected to the output end of the second motor, and a telescopic rod is connected to the inner wall of the cleaning frame through a limiting assembly. According to the slag removing device, the rotating disc with the arc groove, the telescopic legs with the sliding rods and the limiting assembly composed of the telescopic rods are arranged, the rotating disc is driven to rotate only by manually rotating the limiting frame, stretching and retracting of the four sets of telescopic legs and the two sets of telescopic rods can be synchronously achieved through the extrusion effect of the arc groove on the sliding rods, and the stretching and retracting distance between the wheels and the slag removing block is rapidly adjusted; and therefore, welding pipes with different inner diameters can be flexibly adapted, and the adaptability of the equipment and the convenience of adjusting operation are greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of welded pipe slag removal equipment, and in particular to an automatic slag removal and purging device for the inner wall of welded pipe. Background Technology

[0002] In modern industrial production, welded pipes are widely used, and their quality is directly related to the safety and stability of many engineering projects. During the production process of welded pipes, the residual welding slag on the inner wall becomes a key factor affecting the quality of welded pipes.

[0003] Currently, the main methods for cleaning welding slag from the inner wall of welded pipes are manual cleaning and equipment-assisted cleaning. In the manual cleaning method, workers need to work inside the welded pipe. In the equipment-assisted method, different diameter brush heads or friction blocks need to be changed to adapt to welded pipes with different inner diameters.

[0004] However, existing auxiliary equipment for cleaning welded pipes requires changing brush heads of different lengths or diameters for cleaning, which cannot quickly adapt to welded pipes with different inner diameters, resulting in reduced cleaning efficiency. Therefore, an automatic slag removal and blowing device for the inner wall of welded pipes is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an automatic slag removal and purging device for the inner wall of welded pipes, which aims to improve the problem that the existing technology cannot quickly adapt to welded pipes with different inner diameters.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an automatic slag removal and purging device for the inner wall of welded pipe, comprising a shell, a telescopic leg connected to the inner wall of the shell via a limiting component, a motor fixedly connected to the top inner wall of the telescopic leg, a wheel fixedly connected to the output end of the motor, a second motor fixedly connected to the front inner wall of the shell, a cleaning frame fixedly connected to the output end of the second motor, a telescopic rod connected to the inner wall of the cleaning frame via a limiting component, a slag removal block fixedly connected to the outer end of the telescopic rod, and a sliding rod fixedly connected to the end of the telescopic rod;

[0007] The limiting component includes a turntable with an arc groove on its outer wall. A limiting rod is fixedly connected to the middle of the turntable, and a limiting frame is elastically connected to the outer end of the limiting rod via a limiting spring. A limiting block is fixedly connected to the end of the limiting frame, and a limiting groove is provided at the front of the cleaning frame.

[0008] As a further description of the above technical solution:

[0009] The outer wall of the outer shell is fixedly connected with an inclined tube, and there are four sets of inclined tubes, which are connected to each other by a connecting tube.

[0010] As a further description of the above technical solution:

[0011] The telescopic leg is slidably connected to the inner wall of the outer shell, and the wheel is rotatably connected to the top of the telescopic leg.

[0012] As a further description of the above technical solution:

[0013] The back of the cleaning frame is rotatably connected to the front of the outer casing.

[0014] As a further description of the above technical solution:

[0015] The telescopic rod is slidably connected to the inner wall of the cleaning frame, and the slide rod is slidably connected to the inner wall of the arc groove.

[0016] As a further description of the above technical solution:

[0017] One end of the limiting spring is fixedly connected to the outer end of the limiting rod, and the other end of the limiting spring is fixedly connected to the inner wall of the limiting frame.

[0018] As a further description of the above technical solution:

[0019] The limiting rod is rotatably connected to the inner wall of the cleaning frame, the inner wall of the limiting frame is slidably connected to the outer wall of the limiting rod, and the limiting block is engaged with the inner wall of the limiting groove.

[0020] As a further description of the above technical solution:

[0021] The connecting pipe is fixedly connected to the back of the outer casing.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, by setting a limiting component consisting of a turntable with an arc groove and telescopic legs and telescopic rods with sliding rods, it is only necessary to manually rotate the limiting frame to drive the turntable to rotate. The arc groove can be used to squeeze the sliding rod to simultaneously realize the extension and retraction of four sets of telescopic legs and two sets of telescopic rods, quickly adjust the extension and retraction distance of the wheels and slag removal blocks, and thus flexibly adapt to welded pipes with different inner diameters, greatly improving the adaptability of the equipment and the convenience of adjustment and operation.

[0024] 2. In this utility model, four sets of inclined pipes are connected to an external fan through a connecting pipe, which can blow the air source obliquely and evenly to the inner wall of the welded pipe, so that the cleaned welding slag can be quickly discharged out of the pipe with the airflow, realizing the coordinated operation of slag removal and blowing. This combination design not only solves the problem of traditional equipment not being able to effectively clean the attached welding slag, but also avoids the secondary pollution of the inner wall by welding slag residue, which significantly improves the cleaning quality and efficiency of the inner wall of the welded pipe. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of the outer shell of an automatic slag removal and purging device for the inner wall of a welded pipe proposed in this utility model;

[0026] Figure 2 This is a three-dimensional schematic diagram of the cleaning frame of an automatic slag removal and purging device for the inner wall of a welded pipe proposed in this utility model.

[0027] Figure 3 This is a three-dimensional cross-sectional view of the cleaning frame of an automatic slag removal and purging device for the inner wall of welded pipe proposed in this utility model.

[0028] Figure 4 This is a three-dimensional schematic diagram of the turntable of an automatic slag removal and purging device for the inner wall of a welded pipe proposed in this utility model.

[0029] Figure 5 This utility model proposes an automatic slag removal and purging device for the inner wall of welded pipes. Figure 3 Enlarged 3D diagram of part A;

[0030] Figure 6 This is a three-dimensional schematic diagram of the connecting pipe of an automatic slag removal and purging device for the inner wall of a welded pipe proposed in this utility model.

[0031] Legend:

[0032] 1. Outer shell; 2. Telescopic leg; 3. Motor 1; 4. Wheel; 5. Motor 2; 6. Cleaning frame; 7. Telescopic rod; 8. Slag removal block; 9. Slide rod; 10. Turntable; 11. Arc groove; 12. Limiting rod; 13. Limiting spring; 14. Limiting frame; 15. Limiting block; 16. Limiting groove; 17. Inclined tube; 18. Connecting tube. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figures 1-3This utility model provides an embodiment of an automatic slag removal and purging device for the inner wall of welded pipes, comprising a shell 1, which is cross-shaped and used to drive telescopic legs 2 to extend or retract via a limiting component, thereby adapting to different inner diameters of welded pipes. The inner wall of the shell 1 is connected to the telescopic legs 2 via the limiting component. Four sets of telescopic legs 2 are provided, used to drive wheels 4 to contact the inner wall of the welded pipe via the limiting component. A motor 3 is fixedly connected to the top inner wall of the telescopic legs 2. Motor 3 is existing technology and will not be described in detail; it drives the wheels 4 to rotate, providing mobility for the shell 1. The output end of motor 3 is fixedly connected to the wheels 4. Four sets of wheels 4 are provided; the upper and lower sets are driven by motor 3, and the two sets on the sides are follower wheels. A second motor 5 is fixedly connected to the front inner wall of the shell 1. Motor 5 is existing technology and will not be described in detail; it drives the cleaning frame 6 to rotate. The output end of motor 5 is fixedly connected to the second motor 5. A cleaning frame 6 is fixedly connected, providing a rotation origin for two sets of telescopic rods 7. The cleaning frame 6 drives two sets of slag removal blocks 8 to rotate on the inner wall of the welded pipe. The inner wall of the cleaning frame 6 is connected to the telescopic rods 7 via a limiting component. The telescopic rods 7 are used to expand or retract via the limiting component, changing the telescopic distance of the slag removal blocks 8. The outer end of the telescopic rod 7 is fixedly connected to the slag removal blocks 8. The surface of the slag removal blocks 8 has an oblique groove to increase the friction between them and the welded pipe, thus more effectively cleaning stubborn weld slag. The end of the telescopic rod 7 is fixedly connected to a sliding rod 9, which is used to move by being squeezed by an arc groove 11, thereby driving the telescopic rod 7 to extend and retract. The telescopic leg 2 is slidably connected to the inner wall of the outer shell 1. The wheel 4 is rotatably connected to the top of the telescopic leg 2. The back of the cleaning frame 6 is rotatably connected to the front of the outer shell 1. The telescopic rod 7 is slidably connected to the inner wall of the cleaning frame 6, and the sliding rod 9 is slidably connected to the inner wall of the arc groove 11.

[0035] Reference Figures 3-5The limiting assembly includes a turntable 10. The turntable 10 located inside the outer casing 1 has four sets of arc grooves 11, used to simultaneously drive the extension and retraction of four sets of telescopic legs 2. The ends of the telescopic legs 2 are also fixedly connected to sliding rods 9. The turntable 10 located inside the cleaning frame 6 has two sets of arc grooves 11, used to simultaneously drive the two sets of arc grooves 11 to press and move the sliding rods 9. Arc grooves 11 are formed on the outer wall of the turntable 10, used to press the sliding rods 9 to drive the extension and retraction of the telescopic rods 7 and telescopic legs 2. A limiting rod 12 is fixedly connected to the middle of the turntable 10, extending the turntable 10 to the outside for easy manual rotation. The outer end of the limiting rod 12 is elastically connected to a limiting frame 14 via a limiting spring 13. A handle is provided on the outside of the limiting frame 14 for easy manual rotation, thereby driving the limiting rod 12 and the turntable 10 to rotate. A limiting block is fixedly connected to the end of the limiting frame 14. 15. The limiting block 15 is provided in two sets, upper and lower, for opposing engagement with the limiting groove 16, limiting the rotation of the turntable 10 and improving the limiting stability. The front of the cleaning frame 6 is provided with a limiting groove 16, which is provided in several sets for multiple engagement with the limiting block 15 to change the rotation angle of the turntable 10, thereby changing the extension distance between the wheel 4 and the slag removal block 8. One end of the limiting spring 13 is fixedly connected to the outer end of the limiting rod 12, and the other end of the limiting spring 13 is fixedly connected to the inner wall of the limiting frame 14. Through the opposing squeezing force between the limiting spring 13 and the limiting rod 12, the limiting block 15 is always engaged with the inner wall of the limiting groove 16 without being affected by external force. The limiting rod 12 is rotatably connected to the inner wall of the cleaning frame 6, and the inner wall of the limiting frame 14 is slidably connected to the outer wall of the limiting rod 12. The limiting block 15 is engaged with the inner wall of the limiting groove 16.

[0036] Reference Figure 1 , Figure 2 , Figure 6 An inclined pipe 17 is fixedly connected to the outer wall of the outer shell 1. The inclined pipe 17 is used to blow the air source obliquely to the inner wall of the welded pipe, so that the welding slag is blown out to the outside of the welded pipe with the air source. There are four sets of inclined pipes 17, and the four sets of inclined pipes 17 are connected by a connecting pipe 18. Four sets of reserved pipes are set outside the connecting pipe 18 for extending the air pipe to the outside of the welded pipe. A fan is connected to the outside for blowing. The air source is delivered to the outer end of several sets of inclined pipes 17 through the connecting pipe 18, so that the air source is evenly distributed to achieve the purging effect. The connecting pipe 18 is fixedly connected to the back of the outer shell 1.

[0037] Working principle: When cleaning welded pipes of different inner diameters, the limiting frame 14 is manually pulled, causing the limiting block 15 to disengage from the limiting groove 16. At this time, the limiting spring 13 is stretched. Rotating the handle at the outer end of the limiting frame 14 causes the limiting rod 12 and the turntable 10 to rotate. For the turntable 10 inside the outer shell 1, the four sets of arc grooves 11 will squeeze the sliding rod 9 at the end of the telescopic leg 2, causing the four sets of telescopic legs 2 to expand or retract along the inner wall of the outer shell 1, thereby adjusting the contact state between the wheel 4 and the inner wall of the welded pipe until the wheel 4 is tightly attached to the welded pipe. On the inner wall, the limiting frame 14 is released. Under the elastic force of the limiting spring 13, the limiting block 15 is re-engaged into the corresponding limiting groove 16, restricting the rotation of the turntable 10 and fixing the position of the telescopic leg 2. At the same time, for the turntable 10 inside the cleaning frame 6, its two sets of arc grooves 11 will squeeze the sliding rod 9 at the end of the telescopic rod 7, causing the two sets of telescopic rods 7 to extend and retract along the inner wall of the cleaning frame 6, changing the distance between the slag removal block 8 and the inner wall of the welded pipe, ensuring that the slag removal block 8 can contact the inner wall of the welded pipe. Similarly, the position of the turntable 10 is fixed by the limiting block 15 being engaged in the limiting groove 16.

[0038] After the equipment is started, motor 1 (3) drives the two sets of upper and lower wheels (4) to rotate, and the two sets of wheels on both sides (4) follow suit, causing the entire outer shell (1) to move inside the welded pipe. Motor 2 (5) drives the cleaning frame (6) to rotate, and the cleaning frame (6) drives the two sets of telescopic rods (7) and the slag removal blocks (8) to rotate synchronously. The inclined grooves on the surface of the slag removal blocks (8) increase the friction with the inner wall of the welded pipe, cleaning the welding slag on the inner wall of the welded pipe. During the slag removal process, the connecting pipe (18) obtains air source through an externally connected fan. The air source is delivered to the four sets of inclined pipes (17) through the connecting pipe (18). The inclined pipes (17) blow the air source obliquely to the inner wall of the welded pipe, so that the cleaned welding slag is blown out of the welded pipe with the air source, completing the slag removal and purging work on the inner wall of the welded pipe.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic slag removal and purging device for the inner wall of welded pipe, comprising a shell (1), characterized in that: The inner wall of the outer shell (1) is connected to a telescopic leg (2) via a limiting component. A motor (3) is fixedly connected to the top inner wall of the telescopic leg (2). A wheel (4) is fixedly connected to the output end of the motor (3). A motor (5) is fixedly connected to the front inner wall of the outer shell (1). A cleaning frame (6) is fixedly connected to the output end of the motor (5). A telescopic rod (7) is connected to the inner wall of the cleaning frame (6) via a limiting component. A slag removal block (8) is fixedly connected to the outer end of the telescopic rod (7). A sliding rod (9) is fixedly connected to the end of the telescopic rod (7). The limiting component includes a turntable (10), the outer wall of which is provided with an arc groove (11), a limiting rod (12) is fixedly connected to the middle of the turntable (10), the outer end of the limiting rod (12) is elastically connected to a limiting frame (14) through a limiting spring (13), the end of the limiting frame (14) is fixedly connected to a limiting block (15), and a limiting groove (16) is provided at the front of the cleaning frame (6).

2. The automatic slag removal and purging equipment for the inner wall of welded pipe according to claim 1, characterized in that: The outer wall of the outer shell (1) is fixedly connected with an inclined tube (17), and four sets of the inclined tubes (17) are provided. The four sets of inclined tubes (17) are connected to each other by a connecting tube (18).

3. The automatic slag removal and purging equipment for the inner wall of welded pipe according to claim 1, characterized in that: The telescopic leg (2) is slidably connected to the inner wall of the outer shell (1), and the wheel (4) is rotatably connected to the top of the telescopic leg (2).

4. The automatic slag removal and purging equipment for the inner wall of welded pipe according to claim 1, characterized in that: The back of the cleaning frame (6) is rotatably connected to the front of the outer shell (1).

5. The automatic slag removal and purging equipment for the inner wall of welded pipe according to claim 1, characterized in that: The telescopic rod (7) is slidably connected to the inner wall of the cleaning frame (6), and the slide rod (9) is slidably connected to the inner wall of the arc groove (11).

6. The automatic slag removal and purging equipment for the inner wall of welded pipe according to claim 1, characterized in that: One end of the limiting spring (13) is fixedly connected to the outer end of the limiting rod (12), and the other end of the limiting spring (13) is fixedly connected to the inner wall of the limiting frame (14).

7. The automatic slag removal and purging device for the inner wall of welded pipe according to claim 1, characterized in that: The limiting rod (12) is rotatably connected to the inner wall of the cleaning frame (6), the inner wall of the limiting frame (14) is slidably connected to the outer wall of the limiting rod (12), and the limiting block (15) is engaged with the inner wall of the limiting groove (16).

8. The automatic slag removal and purging equipment for the inner wall of welded pipe according to claim 2, characterized in that: The connecting pipe (18) is fixedly connected to the back of the outer shell (1).

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