Large-diameter elbow submerged-arc welding positioner

Abstract

The utility model discloses a large-caliber elbow submerged-arc welding positioner which is characterized in that a motor is fixedly connected to the front inner wall of a base, a rotating shaft is fixedly connected to the output end of the motor, a rotating disc is fixedly connected to the side surface of the rotating shaft, a limiting groove is formed in the rotating disc, and a telescopic rod is fixedly connected to the lower bottom wall of the limiting groove; the upper end of the telescopic rod is fixedly connected with a supporting head, the side surface of the supporting head is movably connected with a limiting arc block, the upper surface of the base is fixedly connected with a supporting plate, the opposite face of the supporting plate is fixedly connected with a supporting rod, a fixing hole in the side surface of the supporting rod is connected with a telescopic welding gun, and the opposite face of the supporting plate is fixedly connected with a storage tank. By means of the device, the large-diameter elbow can be conveniently installed on the rotating disc, the large-diameter elbow is limited and fixed, and the problems of safety accidents caused by movement or falling of the elbow and welding damage of the elbow are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding positioners, in particular to a submerged arc welding positioner for large-diameter elbows. Background Art

[0002] Submerged arc welding is an arc welding method that protects the welding arc and molten metal by placing a layer of welding powder (flux) under the welding area, enabling the weld to be made in a windless environment. A submerged arc welding positioner for large-diameter elbows is a device used to control the welding position, angle, and other related parameters during the submerged arc welding process of large-diameter elbows. If the existing positioner fails to fix the welded part firmly, it will affect the welding quality. For example, the Chinese patent "A positioner tooling for submerged arc welding" with the application number "201420646089.4" controls the linear speed of the workbench through a controller and a variable-frequency motor to meet the requirements of the submerged arc welding speed, and controls the submerged arc welding time through the setting of the rotation angle. However, this device cannot ensure that the welded part is firmly installed on the workbench, which may cause deviation or shaking during the welding process, affecting the welding quality. Summary of the Utility Model

[0003] The purpose of the present utility model is to at least solve one of the technical problems existing in the prior art, and provide a submerged arc welding positioner for large-diameter elbows. By arranging a telescopic rod inside the turntable and pushing the limiting arc block out of the limiting groove through the expansion and contraction of the telescopic rod, it is convenient to install the large-diameter elbow on the turntable and limit and fix the large-diameter elbow, which is beneficial to avoiding safety accidents and welding damage of the elbow caused by the movement or detachment of the elbow. By driving the turntable to rotate through a motor, the large-diameter elbow is driven to rotate, so that the arc surface of the large-diameter elbow moves relatively parallel to the welding torch, which can ensure that the welding torch can maintain a stable welding angle throughout the welding process, and at the same time avoid uneven welding speed or welding angle deviation, which is beneficial to improving the welding quality.

[0004] The present utility model also provides a submerged arc welding positioner for large-diameter elbows having the above-mentioned features, including: a base, the front inner wall of the base is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, the side surface of the rotating shaft is fixedly connected with a turntable, a limiting groove is arranged inside the turntable, a telescopic rod is fixedly connected to the lower bottom wall of the limiting groove, the upper end of the telescopic rod is fixedly connected with a supporting head, the side surface of the supporting head is movably connected with a limiting arc block, the upper surface of the base is fixedly connected with a supporting plate, the opposite surfaces of the supporting plate are fixedly connected with supporting rods, a telescopic welding torch is fixedly connected to the side surface fixing holes of the supporting rods, the opposite surfaces of the supporting plate are fixedly connected with a storage tank, the lower surface of the storage tank is fixedly connected with a conveying pipe. Through the above devices, it is possible to conveniently install the large-diameter elbow on the turntable and limit and fix the large-diameter elbow, which is beneficial to avoiding safety accidents and welding damage of the elbow caused by the movement or detachment of the elbow.

[0005] According to the submerged arc welding positioner for large-diameter elbows of the present utility model, a limiting hole is arranged on the rear inner wall of the base, and one end of the rotating shaft away from the motor is located inside the limiting hole. Through the above devices, it is beneficial to avoid the deviation of the rotating shaft during rotation.

[0006] According to the submerged arc welding positioner for large-diameter elbows of the present utility model, the limiting arc block is located inside the limiting groove and above the telescopic rod. Through the above devices, it is beneficial to the telescopic movement of the limiting arc block.

[0007] According to the submerged arc welding positioner for large-diameter elbows of the present utility model, a positioning block is fixedly connected to the upper surface of the turntable, and the turntable is located inside the base. Through the above devices, it is beneficial to position the large-diameter elbow.

[0008] According to the submerged arc welding positioner for large-diameter elbows of the present utility model, a collection bin is slidably connected to the lower bottom wall of the base, and a pull ring is fixedly connected to the front surface of the collection bin. Through the above devices, it is beneficial to facilitate the pulling of the collection bin.

[0009] According to the submerged arc welding positioner for large-diameter elbows of the present utility model, the collection bin is located directly below the turntable, and the telescopic welding torch is located directly above the turntable. Through the above devices, it is beneficial to collect the waste residue generated during welding and ensure the stability of welding.

[0010] According to the submerged arc welding positioner for large-diameter elbows of the present utility model, the conveying pipe is in communication with the storage tank and is located on the left side of the telescopic welding torch. Through the above devices, it is beneficial to the conveying of welding powder (flux).

[0011] A submerged arc welding positioner for large-diameter elbows according to the present utility model, a support column is fixedly connected to the lower surface of the base, and an anti-slip pad is fixedly connected to the lower end of the support column. Through the above device, it is beneficial to ensure the stability of the device. Beneficial effects

[0012] 1. Compared with the prior art, in this submerged arc welding positioner for large-diameter elbows, a telescopic rod is arranged inside the turntable, and the limiting arc block is pushed out of the limiting groove through the telescopic movement of the telescopic rod, which is convenient for installing the large-diameter elbow on the turntable and limiting and fixing the large-diameter elbow. This is beneficial to avoiding safety accidents and welding damage of the elbow caused by the movement or falling off of the elbow.

[0013] 2. Compared with the prior art, in this submerged arc welding positioner for large-diameter elbows, the turntable is driven to rotate by a motor, driving the large-diameter elbow to rotate, so that the arc surface of the large-diameter elbow moves relatively parallel to the welding torch. This can ensure that the welding torch can maintain a stable welding angle throughout the welding process, and at the same time avoid uneven welding speed or welding angle deviation, which is beneficial to improving the welding quality. Description of the drawings

[0014] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0015] Figure 1 It is a three-dimensional structure diagram of the submerged arc welding positioner for large-diameter elbows of the present utility model;

[0016] Figure 2 It is an internal structure diagram of the submerged arc welding positioner for large-diameter elbows of the present utility model;

[0017] Figure 3 It is the submerged arc welding positioner for large-diameter elbows of the present utility model Figure 2 The enlarged view at B in;

[0018] Figure 4 It is a sectional structure diagram of the submerged arc welding positioner for large-diameter elbows of the present utility model.

[0019] Legend description:

[0020] 1. Base; 2. Support plate; 3. Support rod; 4. Telescopic welding torch; 5. Delivery pipe; 6. Turntable; 7. Rotating shaft; 8. Collection bin; 9. Storage tank; 10. Limiting arc block; 11. Telescopic rod; 12. Support head; 13. Motor; 14. Limiting groove; 15. Limiting hole; 16. Positioning block; 17. Support column; 18. Anti-slip pad. Specific embodiments

[0021] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the accompanying drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0022] Referring to Figures 1-4 , an submerged arc welding positioner for a large-diameter elbow in an embodiment of the present utility model includes: a base 1. A motor 13 is fixedly connected to the front inner wall of the base 1 and is used to drive the rotation of a rotating shaft 7. The output end of the motor 13 is fixedly connected to the rotating shaft 7, which is used to drive the rotation of a turntable 6. A limiting hole 15 is provided on the rear inner wall of the base 1 to prevent the rotating shaft 7 from shifting. One end of the rotating shaft 7 away from the motor 13 is located inside the limiting hole 15. A turntable 6 is fixedly connected to the side surface of the rotating shaft 7 and serves as an installation platform for the large-diameter elbow. A positioning block 16 is fixedly connected to the upper surface of the turntable 6 to position one end of the large-diameter elbow. The turntable 6 is located inside the base 1. A limiting groove 14 is provided inside the turntable 6 to provide a moving track for a limiting arc block 10. A telescopic rod 11 is fixedly connected to the lower bottom wall of the limiting groove 14 to push the limiting arc block 10 to move. The upper end of the telescopic rod 11 is fixedly connected to a support head 12 to support the limiting arc block 10. The side surface of the support head 12 is movably connected to the limiting arc block 10 to limit the other end of the large-diameter elbow. The limiting arc block 10 is located inside the limiting groove 14 and above the telescopic rod 11.

[0023] A support plate 2 is fixedly connected to the upper surface of the base 1 to support a storage tank 9. Support rods 3 are fixedly connected to the opposite surfaces of the support plate 2 to install a telescopic welding torch 4. The telescopic welding torch 4 is fixedly connected to the side surface of the support rod 3 through a fixing hole and is used for welding the bent pipe. The telescopic welding torch 4 is located directly above the turntable 6. A storage tank 9 is fixedly connected to the opposite surfaces of the support plate 2 to store welding powder (flux). A delivery pipe 5 is fixedly connected to the lower surface of the storage tank 9 to deliver welding powder (flux). The delivery pipe 5 communicates with the storage tank 9 and is located on the left side of the telescopic welding torch 4. A collection bin 8 is slidably connected to the lower bottom wall of the base 1 to collect the waste generated during the welding process. The collection bin 8 is located directly below the turntable 6. A pull ring is fixedly connected to the front surface of the collection bin 8 to facilitate the pulling of the collection bin 8. A support column 17 is fixedly connected to the lower surface of the base 1 to support the base 1. An anti-slip pad 18 is fixedly connected to the lower end of the support column 17 to prevent the device from sliding.

[0024] Working principle: The limit arc block 10 is located in the limit groove 14 inside the turntable 6. When the telescopic rod 11 below the limit arc block 10 extends, the support head 12 at its upper end pushes the limit arc block 10 out of the limit groove 14. After the limit arc block 10 is pushed out, it can cooperate with the positioning block 16 on the turntable 6 to limit and fix the large-diameter elbow, ensuring its stability. Then, the motor 13 is started, and its output drives the rotation of the rotating shaft 7, which in turn drives the rotation of the turntable 6. The storage tank 9 contains welding powder (flux), which is conveyed to the side of the telescopic welding torch 4 through the conveying pipe 5. The telescopic welding torch 4 is located directly above the turntable 6. Due to the rotation of the turntable 6, the arc surface of the large-diameter elbow can move relatively parallel to the telescopic welding torch 4, ensuring the smooth progress of welding. The waste residue and excess materials generated during the welding process will fall into the collection bin 8 below the turntable 6 for easy cleaning.

[0025] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. A large-caliber elbow submerged arc welding positioner, characterized in that: include: A base (1), wherein a motor (13) is fixedly connected to the front inner wall of the base (1), a rotating shaft (7) is fixedly connected to the output end of the motor (13), a rotating disk (6) is fixedly connected to the side surface of the rotating shaft (7), a limiting groove (14) is arranged inside the rotating disk (6), a telescopic rod (11) is fixedly connected to the lower bottom wall of the limiting groove (14), the upper end of the telescopic rod (11) is fixedly connected to a supporting head (12), the side surface of the supporting head (12) is movably connected to a limiting arc block (10), the upper surface of the base (1) is fixedly connected to a supporting plate (2), the opposite surface of the supporting plate (2) is fixedly connected to a supporting rod (3), the fixed hole on the side surface of the supporting rod (3) is connected to a telescopic welding gun (4), the opposite surface of the supporting plate (2) is fixedly connected to a storage tank (9), and the lower surface of the storage tank (9) is fixedly connected to a conveying pipe (5).

2. A large-caliber elbow submerged arc welding positioner according to claim 1, characterized in that: A limiting hole (15) is provided on the rear inner wall of the base (1), and an end of the rotating shaft (7) away from the motor (13) is located inside the limiting hole (15).

3. A large-caliber elbow submerged arc welding positioner according to claim 1, characterized in that: The limiting arc block (10) is located inside the limiting groove (14), and the limiting arc block (10) is located above the telescopic rod (11).

4. A large-caliber elbow submerged arc welding positioner according to claim 1, characterized in that: A positioning block (16) is fixedly connected to the upper surface of the turntable (6), and the turntable (6) is located inside the base (1).

5. A large-caliber elbow submerged arc welding positioner according to claim 1, characterized in that: The lower bottom wall of the base (1) is slidably connected to a collecting bin (8), and the front surface of the collecting bin (8) is fixedly connected to a pull ring.

6. A large-caliber elbow submerged arc welding positioner according to claim 5, characterized in that: The collecting bin (8) is located directly below the turntable (6), and the telescopic welding gun (4) is located directly above the turntable (6).

7. A large-caliber elbow submerged arc welding positioner according to claim 1, characterized in that: The delivery pipe (5) is connected to the storage tank (9) and is located on the left side of the telescopic welding gun (4).

8. A large-caliber elbow submerged arc welding positioner according to claim 1, characterized in that: A support column (17) is fixedly connected to the lower surface of the base (1), and an anti-slip pad (19) is fixedly connected to the lower end of the support column (17).

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