A steel pipe inner wall polishing device

Abstract

The utility model relates to steel pipe fitting machining technical field, and disclose a kind of steel pipe fitting inner wall polishing equipment, including polishing platform and connecting plate, the outer surface of connecting plate is rotatably connected with pivot, and one end of pivot is rotatably connected with rotating block, and the outer surface of rotating block is peripherally arrayed and provided with multiple elastic filaments, the outer surface of multiple elastic filaments is fixedly connected with elastic ring, the outer surface of elastic ring is provided with net bag, the outer surface of pivot is provided with thread tooth, and the thread tooth is threadedly connected with threaded sleeve, the outer surface of threaded sleeve is peripherally arrayed and attached with multiple triangular blocks, and the outer surface of multiple triangular blocks is fixedly connected with polishing sand roller. Through elastic filament and elastic ring enter the inside of steel pipe fitting, and the debris generated during polishing is collected by net bag, when elastic ring is pulled out, so that the net bag carries out the inside of steel pipe fitting from debris, to facilitate the cleaning of debris.

Description

Technical Field

[0001] This utility model relates to the field of steel pipe processing technology, specifically to a steel pipe inner wall polishing device. Background Technology

[0002] Steel pipe fittings possess excellent mechanical properties and corrosion resistance, making them widely used in aerospace, marine, nuclear energy, medical equipment, and petrochemical industries. Aluminum pipes, with their good corrosion resistance, are primarily used for fluid transport pipelines in high-end products. In recent years, with technological development and innovation, the demand for steel pipe fittings has been increasing, and the quality requirements are constantly rising. Because reducing the roughness of the inner wall of steel pipe fittings can decrease the resistance to fluid flow and the adsorption effect of materials on the inner wall, the requirements for the roughness of the inner wall of steel pipe fittings are becoming increasingly stringent, thus necessitating polishing of the inner wall.

[0003] When polishing the inner wall of steel pipe fittings, the polished debris remains inside the pipe fittings. After polishing is completed, the pipe fittings need to be stood up to remove the debris from the inner wall. However, this method increases the processing steps and reduces the processing efficiency of steel pipe fittings in actual use. Therefore, a steel pipe fitting inner wall polishing device is proposed. Utility Model Content

[0004] In view of the shortcomings of the prior art, this utility model provides a steel pipe inner wall polishing device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a steel pipe inner wall polishing device, comprising a polishing table and a connecting plate, wherein a rotating shaft is rotatably connected to the outer surface of the connecting plate, a rotating block is rotatably connected to one end of the rotating shaft, a plurality of elastic wires are arranged in a circumferential array on the outer surface of the rotating block, an elastic ring is fixedly connected to the outer surface of the plurality of elastic wires, and a net is provided on the outer surface of the elastic ring.

[0006] Furthermore, the outer surface of the rotating shaft is provided with threaded teeth, and a threaded sleeve is threadedly connected to the threaded teeth. Multiple triangular blocks are attached to the outer surface of the threaded sleeve in a circumferential array. Multiple telescopic rods are fixedly connected to the outer surface of the rotating shaft. The other end of the telescopic rods is fixedly connected to the triangular blocks. Polishing rollers are fixedly connected to the outer surfaces of the multiple triangular blocks.

[0007] Furthermore, two first electric slide rails are fixedly installed on the top outer surface of the polishing table. The output ends of the two first electric slide rails are fixedly connected to mounting plates. An electric push rod is fixedly installed on the outer surface of the mounting plate. A rotating seat is fixedly connected to the output end of the electric push rod. An adjusting rod is provided on the outer surface of the rotating seat. The other end of the adjusting rod is fixedly connected to a connecting plate. A motor is fixedly installed on the outer surface of the connecting plate. The output end of the motor is fixedly connected to a rotating shaft.

[0008] Furthermore, the top outer surface of the polishing table is provided with two vertical plates, the outer surface of the vertical plates is provided with through holes, and a second electric slide rail is fixedly installed on the top outer surface of the polishing table. One of the vertical plates is fixedly installed at the output end of the second electric slide rail, and the other vertical plate is fixedly connected to the top of the polishing table.

[0009] Furthermore, two support plates are fixedly connected between the opposite outer surfaces of the two vertical plates. An arc-shaped support plate is fixedly connected to the top outer surface of the lower support plate, and a cylinder is fixedly installed on the outer surface of the upper support plate. An arc-shaped pressure plate is fixedly connected to the output end of the cylinder.

[0010] Furthermore, a support shaft is rotatably connected to the outer surface of the rotating seat, the adjusting rod is fixedly sleeved on the outer surface of the support shaft, and a nut is threadedly connected to the outer surface of the support shaft, the nut being in movable contact with the outer surface of the rotating seat.

[0011] Furthermore, a support rod is fixedly connected to the outer surface of the connecting plate, and the other end of the support rod is fixedly connected to the rotating block. The support rod is in a protruding state at the threaded sleeve.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. The steel pipe inner wall polishing equipment enters the interior of the steel pipe through elastic wire and elastic ring, and collects the debris generated during polishing through a net bag. When the elastic ring is pulled out, the net bag carries the debris out of the interior of the steel pipe, thus facilitating the cleaning of the debris.

[0013] 2. This steel pipe inner wall polishing equipment, by rotating the threaded sleeve, the threaded sleeve squeezes the triangular block, causing the polishing sand roller to expand outward, so that the device can be adapted to polish steel pipes with different inner diameters. Attached Figure Description

[0014] Figure 1 This is a front view structural diagram of the present invention; Figure 2 This is a schematic diagram of the rear view structure of this utility model; Figure 3 for Figure 1 Enlarged structural diagram at point A in the middle; Figure 4 for Figure 1 Enlarged structural diagram at point B.

[0015] In the diagram: 1. Polishing table; 2. Connecting plate; 3. Rotating shaft; 4. Elastic wire; 5. Elastic ring; 6. First electric slide rail; 7. Electric push rod; 8. Rotating seat; 9. Adjusting rod; 10. Support shaft; 11. Nut; 12. Threaded sleeve; 13. Triangular block; 14. Polishing roller; 15. Vertical plate; 16. Second electric slide rail; 17. Arc-shaped support plate; 18. Cylinder; 19. Arc-shaped pressure plate; 20. Motor. Detailed Implementation

[0016] 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.

[0017] Please refer to the following: Figures 1-4 This utility model provides a technical solution: a steel pipe inner wall polishing device, including a polishing table 1 and a connecting plate 2. A rotating shaft 3 is rotatably connected to the outer surface of the connecting plate 2. A rotating block is rotatably connected to one end of the rotating shaft 3. Multiple elastic wires 4 are arranged in a circumferential array on the outer surface of the rotating block. An elastic ring 5 is fixedly connected to the outer surface of the multiple elastic wires 4. A mesh bag is provided on the outer surface of the elastic ring 5. Specifically, during polishing, debris is left on the inner wall of the steel pipe. Through the elastic deformation force of the elastic wires 4 and the elastic ring 5, it can adapt to steel pipes of various diameters. As the mesh bag is pulled out, the debris is left inside the mesh bag. The mesh bag pulls out the debris generated during polishing, thereby facilitating the cleaning of the debris.

[0018] Furthermore, the outer surface of the rotating shaft 3 is provided with threaded teeth, and a threaded sleeve 12 is threadedly connected to the threaded teeth. Multiple triangular blocks 13 are attached to the outer surface of the threaded sleeve 12 in a circumferential array. Multiple telescopic rods are fixedly connected to the outer surface of the rotating shaft 3. The other end of the telescopic rods is fixedly connected to the triangular blocks 13. Polishing rollers 14 are fixedly connected to the outer surface of the multiple triangular blocks 13. Specifically, by rotating the threaded sleeve 12, the position of the threaded sleeve 12 is adjusted. As the threaded sleeve 12 squeezes the triangular blocks 13, the polishing rollers 14 can be adapted to the inner wall of the steel pipe.

[0019] Furthermore, two first electric slide rails 6 are fixedly installed on the top outer surface of the polishing table 1. Each first electric slide rail 6 has a mounting plate fixedly connected to its output end. An electric push rod 7 is fixedly installed on the outer surface of the mounting plate. A rotating seat 8 is fixedly connected to the output end of the electric push rod 7. An adjusting rod 9 is provided on the outer surface of the rotating seat 8. The other end of the adjusting rod 9 is fixedly connected to the connecting plate 2. A motor 20 is fixedly installed on the outer surface of the connecting plate 2. The output end of the motor 20 is fixedly connected to the rotating shaft 3. Specifically, by operating the electric push rod 7, the rotating shaft 3 is adjusted to a position corresponding to the center of the inner wall of the steel pipe. Then, by operating the first electric slide rails 6, the first electric slide rails 6 drive the polishing roller 14 to contact the inner wall of the steel pipe. The motor 20 drives the rotating shaft 3 to rotate, causing the polishing roller 14 to grind the inner wall of the steel pipe. With the operation of the first electric slide rails 6, the inner wall of the steel pipe is ground in all directions.

[0020] Furthermore, two vertical plates 15 are provided on the top outer surface of the polishing table 1. The outer surface of the vertical plates 15 has through holes. A second electric slide rail 16 is fixedly installed on the top outer surface of the polishing table 1. One vertical plate 15 is fixedly installed at the output end of the second electric slide rail 16, and the other vertical plate 15 is fixedly connected to the top of the polishing table 1. Specifically, the through holes provide a channel for the steel pipe to pass through. By working the second electric slide rail 16, the distance between the two vertical plates 15 is adjusted so that the two vertical plates 15 support the two ends of steel pipes of different lengths respectively.

[0021] Furthermore, two support plates are fixedly connected between the opposite outer surfaces of the two vertical plates 15. An arc-shaped support plate 17 is fixedly connected to the top outer surface of the lower support plate, and a cylinder 18 is fixedly installed on the outer surface of the upper support plate. An arc-shaped pressure plate 19 is fixedly connected to the output end of the cylinder 18. Specifically, the steel pipe is passed through the two vertical plates 15 and overlapped on the arc-shaped support plate 17. The cylinder 18 drives the arc-shaped pressure plate 19 to move downward, and the arc-shaped pressure plate 19 and the arc-shaped support plate 17 press and fix the steel pipe.

[0022] Furthermore, a support shaft 10 is rotatably connected to the outer surface of the rotating seat 8, and an adjusting rod 9 is fixedly sleeved on the outer surface of the support shaft 10. A nut 11 is threaded onto the outer surface of the support shaft 10, and the nut 11 movably abuts against the outer surface of the rotating seat 8. Specifically, when the nut 11 is loosened, the friction between the support shaft 10 and the rotating seat 8 is reduced, thereby allowing the adjusting rod 9 to be rotated 180 degrees and inserted into the steel pipe from the other end, which facilitates all-round polishing of the long steel pipe.

[0023] Furthermore, a support rod is fixedly connected to the outer surface of the connecting plate 2, and the other end of the support rod is fixedly connected to the rotating block. The support rod is in a protruding state at the threaded sleeve 12. Specifically, the support rod limits the rotation block. When the rotating shaft 3 rotates, the support rod prevents the rotating block from rotating with the rotating shaft 3, thereby preventing the net from rotating with the rotating shaft 3. The support rod is in a protruding state at the threaded sleeve 12, and the protruding structure provides a space for the threaded sleeve 12 to accommodate it.

[0024] Working Principle: In use, the steel pipe to be polished is fixed by passing it through two vertical plates 15 and overlapping it on the arc-shaped support plate 17. A cylinder 18 moves the arc-shaped pressure plate 19 downwards, securing the steel pipe between the pressure plate 19 and the support plate 17. Based on the pipe's diameter, the threaded sleeve 12 is rotated, pressing against the triangular block 13, causing the polishing roller 14 to expand outwards and move to a position where it contacts the inner wall of the steel pipe. This is achieved via the first electric slide rail 6. The first electric slide rail 6 drives the polishing roller 14 to contact the inner wall of the steel pipe. The motor 20 drives the rotating shaft 3 to rotate, which in turn drives the polishing roller 14 to polish the inner wall of the steel pipe. As the first electric slide rail 6 works, the inner wall of the steel pipe is polished in all directions. During polishing, the debris is left on the inner wall of the steel pipe. Through the elastic deformation force of the elastic wire 4 and the elastic ring 5, it can be adapted to steel pipes of various diameters. As the net bag is pulled out, the debris is left inside the net bag. The net bag pulls out the debris generated during polishing, which makes it easy to clean the debris.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A steel pipe fitting inner wall polishing device, comprising a polishing table (1) and a connecting plate (2), characterized in that: The outer surface of the connecting plate (2) is rotatably connected to a rotating shaft (3), one end of the rotating shaft (3) is rotatably connected to a rotating block, the outer surface of the rotating block is arranged with multiple elastic wires (4) in a circumferential array, the outer surface of the multiple elastic wires (4) is fixedly connected to an elastic ring (5), and the outer surface of the elastic ring (5) is provided with a net bag.

2. The steel pipe fitting inner wall polishing equipment according to claim 1, characterized in that: The outer surface of the rotating shaft (3) is provided with threaded teeth, and a threaded sleeve (12) is threadedly connected to the threaded teeth. Multiple triangular blocks (13) are attached to the outer surface of the threaded sleeve (12) in a circumferential array. Multiple telescopic rods are fixedly connected to the outer surface of the rotating shaft (3). The other end of the telescopic rod is fixedly connected to the triangular block (13). Polishing rollers (14) are fixedly connected to the outer surface of the multiple triangular blocks (13).

3. The steel pipe fitting inner wall polishing equipment according to claim 1, characterized in that: Two first electric slide rails (6) are fixedly installed on the top outer surface of the polishing table (1). The output ends of the two first electric slide rails (6) are fixedly connected to the mounting plates. An electric push rod (7) is fixedly installed on the outer surface of the mounting plate. A rotating seat (8) is fixedly connected to the output end of the electric push rod (7). An adjusting rod (9) is provided on the outer surface of the rotating seat (8). The other end of the adjusting rod (9) is fixedly connected to the connecting plate (2). A motor (20) is fixedly installed on the outer surface of the connecting plate (2). The output end of the motor (20) is fixedly connected to the rotating shaft (3).

4. The steel pipe fitting inner wall polishing equipment according to claim 1, characterized in that: The polishing table (1) has two vertical plates (15) on its top outer surface. The outer surface of the vertical plates (15) has through holes. The top outer surface of the polishing table (1) is fixedly installed with a second electric slide rail (16). One of the vertical plates (15) is fixedly installed at the output end of the second electric slide rail (16), and the other vertical plate (15) is fixedly connected to the top of the polishing table (1).

5. The steel pipe fitting inner wall polishing equipment according to claim 4, characterized in that: Two support plates are fixedly connected between the opposite outer surfaces of the two vertical plates (15). An arc-shaped support plate (17) is fixedly connected to the top outer surface of the lower support plate, and a cylinder (18) is fixedly installed on the outer surface of the upper support plate. An arc-shaped pressure plate (19) is fixedly connected to the output end of the cylinder (18).

6. The steel pipe fitting inner wall polishing equipment according to claim 3, characterized in that: The outer surface of the rotating seat (8) is rotatably connected to a support shaft (10), the adjusting rod (9) is fixedly sleeved on the outer surface of the support shaft (10), and the outer surface of the support shaft (10) is threadedly connected to a nut (11), which is in movable contact with the outer surface of the rotating seat (8).

7. The steel pipe fitting inner wall polishing equipment according to claim 2, characterized in that: A support rod is fixedly connected to the outer surface of the connecting plate (2), and the other end of the support rod is fixedly connected to the rotating block. The support rod is in a protruding state at the threaded sleeve (12).

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