Cleaning device for welding ribs in steel pipe

Abstract

The utility model discloses a steel pipe inner welding rib cleaning device which comprises a machine frame and a movable frame connected to the top of the machine frame in a sliding mode, the movable frame is controlled by a movable frame driving assembly to move, a supporting frame is installed on the top face of the movable frame and connected with one end of a traction rod, the other end of the traction rod is connected with a cutter bar, and a cutter head and a groove are arranged on the cutter bar. A supporting mechanism is arranged at the top of one end of the rack and comprises a first auxiliary wheel and a second auxiliary wheel, the first auxiliary wheel and the second auxiliary wheel are connected with buffering assemblies through U-shaped connecting pieces, and the buffering assembly connected with the first auxiliary wheel is connected to the rack through a vertical rod; the bottom of the buffering assembly connected with the second auxiliary wheel is connected to the rack. The traction rod and the cutter bar can be supported through the supporting mechanism, shaking of the cutter bar can be relieved, the cutter bar and the cutter head can be supported through the supporting mechanism, the cutter bar and the cutter head are kept horizontal, a worker does not need to hold the cutter head by hand to centralize the cutter head, and convenience is achieved.

Description

Technical Field

[0001] This utility model relates to the field of steel pipe production equipment technology, and in particular to a device for cleaning weld beads inside steel pipes. Background Technology

[0002] During the production of straight seam steel pipes, the inner surface of the pipe develops noticeable weld beads due to high-frequency welding. To maintain a uniform and stable surface morphology, a weld slag scraping device is typically used to remove these weld beads from both the inside and outside of the pipe before surface treatment. This prevents defects in the welded area, which can lead to easy corrosion. Commonly used internal weld bead cleaning devices typically involve connecting a traction machine to a traction rod, with a cutter head mounted on the rod. The traction machine moves the cutter head inside the pipe, scraping off the weld beads. However, because steel pipes are generally quite long, the traction rod is also quite long. When the traction machine pulls the rod, especially when the cutter head is about to exit the pipe, it vibrates violently. Each time the cutter head exits the pipe, it bends the traction rod, requiring workers to manually remove and reinsert the cutter head, which is very inconvenient. Utility Model Content

[0003] The purpose of this invention is to provide a device for cleaning weld beads inside steel pipes, thereby solving the aforementioned problems.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] This utility model discloses a device for cleaning weld beads inside steel pipes, comprising a frame and a movable frame slidably connected to the top of the frame. The movable frame is controlled to move along the length of the frame by a drive assembly mounted on the frame. A support frame is mounted on the top surface of the movable frame, and the support frame is connected to one end of a traction rod. The other end of the traction rod is connected to a blade rod, which has a blade head and a groove. A support mechanism is provided at the top of the frame near the steel pipe. The support mechanism includes a first auxiliary wheel disposed at the front and rear ends of the blade rod and a second auxiliary wheel disposed below the blade rod. Both the first and second auxiliary wheels are connected to a buffer assembly via a U-shaped connector. The buffer assembly connected to the first auxiliary wheel is connected to the frame via a vertical rod, and the bottom of the buffer assembly connected to the second auxiliary wheel is connected to the frame.

[0006] Furthermore, the top of the frame is provided with a slide rail, and the movable frame is connected to a slider, which is slidably connected to the slide rail.

[0007] Furthermore, the drive assembly includes a motor mounted on the movable frame, and a gear is mounted on the output end of the motor, the gear meshing with a rack mounted in the length direction of the frame.

[0008] Furthermore, the motor is connected to the movable frame via a fixing plate.

[0009] Furthermore, the buffer assembly includes a base rod and a T-shaped rod connected to the U-shaped connector. The base rod has a groove, one end of the T-shaped rod is slidably connected in the groove, and the end of the T-shaped rod placed in the groove is connected to the inner wall of the base rod by a spring.

[0010] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0011] This utility model can support the traction rod and the cutter bar through the support mechanism, reducing the swaying of the cutter bar. It can also support the cutter bar and the cutter head through the support mechanism, keeping the cutter bar and the cutter head horizontal, eliminating the need for workers to hold the cutter head upright, which is very convenient. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] Figure 1 This is a top view of the steel pipe internal weld bead cleaning device of this utility model;

[0014] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0015] Figure 3 Side view of the first and second auxiliary wheels being installed;

[0016] Explanation of reference numerals in the attached drawings: 1. Frame; 2. Moving frame; 3. Support frame; 4. Traction rod; 5. Cutter bar; 6. Cutter head; 7. Groove; 8. First auxiliary wheel; 9. Second auxiliary wheel; 10. U-shaped connector; 11. Upright pole; 12. Slide rail; 13. Motor; 14. Gear; 15. Rack; 16. Fixing plate; 17. Base rod; 18. T-shaped rod; 19. Slide groove; 20. Spring. Detailed Implementation

[0017] like Figure 1-3 As shown, a steel pipe internal weld bead cleaning device includes a frame 1 and a movable frame 2 slidably connected to the top of the frame 1. The top of the frame 1 is provided with a slide rail 12, and the movable frame 2 is connected with a slider, which is slidably connected to the slide rail 12.

[0018] The movable frame 2 is controlled to move along the length direction of the frame 1 by a drive assembly mounted on the frame 1. The drive assembly includes a motor 13 mounted on the movable frame 2 via a fixing plate 16. A gear 14 is mounted on the output end of the motor 13, and the gear 14 meshes with a rack 15 mounted on the length direction of the frame 1.

[0019] A support frame 3 is installed on the top surface of the mobile frame 2. The support frame 3 is connected to one end of the traction rod 4, and the other end of the traction rod 4 is connected to a blade 5. The blade 5 is provided with a blade head 6 and a groove 7. The traction rod 4, the blade 5, the blade head 6 and the groove 7 are all existing technologies, and their specific structures will not be described in detail here.

[0020] The frame 1 is provided with a support mechanism at the top of the end near the steel pipe. The support mechanism includes a first auxiliary wheel 8 at the front and rear ends of the cutter bar 5 and a second auxiliary wheel 9 below the cutter bar 5. Both the first auxiliary wheel 8 and the second auxiliary wheel 9 are connected to a buffer assembly through a U-shaped connector 10. The buffer assembly connected to the first auxiliary wheel 8 is connected to the frame 1 through a vertical rod 11. The bottom of the buffer assembly connected to the second auxiliary wheel 9 is connected to the frame 1.

[0021] The buffer assembly includes a base rod 17 and a T-shaped rod 18 connected to the U-shaped connector 10. The base rod 17 has a groove 19. One end of the T-shaped rod 18 is slidably connected in the groove 19. The end of the T-shaped rod 18 placed in the groove 19 is connected to the inner wall of the base rod 17 by a spring 20.

[0022] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A device for cleaning weld beads inside steel pipes, characterized in that: The assembly includes a frame (1) and a movable frame (2) slidably connected to the top of the frame (1). The movable frame (2) is controlled to move along the length of the frame (1) by a drive assembly mounted on the frame (1). A support frame (3) is mounted on the top surface of the movable frame (2). The support frame (3) is connected to one end of a traction rod (4). The other end of the traction rod (4) is connected to a cutter bar (5). The cutter bar (5) is provided with a cutter head (6) and a groove (7). The frame (1) is located near the end of the steel pipe. A support mechanism is provided at the top. The support mechanism includes a first auxiliary wheel (8) located at the front and rear ends of the tool bar (5) and a second auxiliary wheel (9) located below the tool bar (5). Both the first auxiliary wheel (8) and the second auxiliary wheel (9) are connected to a buffer assembly via a U-shaped connector (10). The buffer assembly connected to the first auxiliary wheel (8) is connected to the frame (1) via a vertical rod (11). The bottom of the buffer assembly connected to the second auxiliary wheel (9) is connected to the frame (1).

2. The steel pipe internal weld bead cleaning device according to claim 1, characterized in that: The top of the frame (1) is provided with a slide rail (12), and the movable frame (2) is connected with a slider, which is slidably connected to the slide rail (12).

3. The steel pipe internal weld bead cleaning device according to claim 1, characterized in that: The drive assembly includes a motor (13) mounted on the moving frame (2), and a gear (14) is mounted on the output end of the motor (13), which meshes with a rack (15) mounted in the length direction of the frame (1).

4. The steel pipe internal weld bead cleaning device according to claim 3, characterized in that: The motor (13) is connected to the movable frame (2) via a fixing plate (16).

5. The steel pipe internal weld bead cleaning device according to claim 1, characterized in that: The buffer assembly includes a base rod (17) and a T-shaped rod (18) connected to the U-shaped connector (10). The base rod (17) has a groove (19). One end of the T-shaped rod (18) is slidably connected in the groove (19). The end of the T-shaped rod (18) placed in the groove (19) is connected to the inner wall of the base rod (17) by a spring (20).

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