A tank grinding device

Abstract

This utility model provides a tank grinding device, including a base and a worktable. A cylinder is placed on top of the worktable. A clamping device is provided on the top of the base and located on one side of the worktable. A first displacement cylinder is provided on the top of the base, and a moving platform is movably connected to the first displacement cylinder. A second displacement cylinder is provided on the moving platform, and a vertical frame is movably connected to the second displacement cylinder. The vertical frame is vertically arranged, and a third displacement cylinder is provided on the vertical frame. A support plate is movably connected to the third displacement cylinder, and a connecting arm is provided on one side of the support plate. A grinding device is installed at the end of the connecting arm. Through the coordinated action of the first, second, and third displacement cylinders, precise three-dimensional movement is achieved, allowing the grinding device at the end of the connecting arm to run smoothly along the inner and outer peripheral walls of the cylinder, ensuring uniform and efficient surface treatment before welding, and improving weld quality and structural strength.

Description

Technical Field

[0001] This utility model relates to the field of storage tanks, and in particular to a storage tank grinding device. Background Technology

[0002] In industrial production, storage tanks are commonly used to store various liquids or gases. Polishing the surface of these tanks is a crucial step to ensure a smooth, clean surface, improving their sealing performance and corrosion resistance. Traditional tank polishing methods are primarily manual, which is effective but inefficient and labor-intensive, making it unsuitable for large-scale production.

[0003] A grinding device for a stainless steel storage tank, with Chinese patent application number CN202223399281.1, includes a base, a rotating table, grinding strips, a connecting rod, and a support. A first rotating shaft is welded to the bottom of the rotating table, and a clamping hydraulic cylinder is welded to the upper end of the rotating table. The tank body is clamped inside the clamping hydraulic cylinder. Mounting brackets are fixedly connected to the bottom of both ends of the connecting rod. A double-acting screw is rotatably connected to the lower end of the mounting bracket, with one end of the double-acting screw passing through the mounting bracket and welded to a rotating head. A connecting block is welded to the top of the grinding strip. Lifting hydraulic cylinders are fixedly connected to the upper surfaces of both ends of the support. A second rotating shaft is rotatably connected to the middle of the support, and a second motor is mounted on the top of the support. The bottom of the second rotating shaft passes through the support and is fixedly connected to the upper surface of the connecting rod. By using two grinding strips as a set, the inner and outer surfaces of the tank can be ground simultaneously, resulting in high grinding efficiency. The relative rotation between the tank body and the grinding strips further improves grinding efficiency and quality.

[0004] However, the above-mentioned patent has certain defects in use. During the grinding process, the grinding strip grinds the inner and outer surfaces of the tank at the same time, but the grinding strip located at the bottom will not make close contact with the inner wall of the tank due to insufficient clamping force, resulting in uneven grinding in some areas and affecting the overall processing accuracy.

[0005] To address this issue, a tank grinding device is proposed. Utility Model Content

[0006] In order to overcome the shortcomings of the existing technology in which uneven grinding in certain areas affects the overall processing accuracy during the tank manufacturing process, this utility model provides a tank grinding device.

[0007] This utility model is achieved using the following technical solution: A tank grinding device includes: a base and a worktable, a cylinder is placed on the worktable, a clamping device is provided on the top of the base and located on one side of the worktable, a first displacement cylinder is provided on the top of the base, a moving table is movably connected to the first displacement cylinder, a second displacement cylinder is provided on the moving table, a vertical frame is movably connected to the second displacement cylinder, the vertical frame is vertically arranged, a third displacement cylinder is provided on the vertical frame, a support plate is movably connected to the third displacement cylinder, a connecting arm is provided on one side of the support plate, and a grinding device is installed at the end of the connecting arm; The first displacement cylinder drives the moving table to move longitudinally, the second displacement cylinder drives the upright to move laterally, and the third displacement cylinder controls the up and down adjustment of the support plate.

[0008] As a preferred embodiment of the present invention, the first displacement cylinder includes a first slide rail and a first guide rail. The first slide rail and the first guide rail are arranged longitudinally parallel to each other on the top of the base, and the bottom of the moving table is provided with a first slider that cooperates with the first slide rail and the first guide rail.

[0009] As a preferred embodiment of the present invention, the second displacement cylinder includes a second slide rail and a second guide rail, which are arranged horizontally parallel to each other on the top of the moving platform, and a second slider that cooperates with the second slide rail and the second guide rail is provided at the bottom of the stand.

[0010] As a preferred embodiment of this utility model, the third displacement cylinder includes a third slide rail and a third guide rail. The third slide rail and the third guide rail are vertically parallel to each other on one side of the frame, and a third slider that cooperates with the third slide rail and the third guide rail is provided on the back of the support plate.

[0011] As a preferred embodiment of this utility model, the connecting arm has an inverted C-shaped structure; The grinding device is fitted to the inner peripheral wall of the cylinder; The grinding device is fitted to the outer peripheral wall of the cylinder.

[0012] As a preferred embodiment of the present invention, a drive motor is provided at the bottom of the base, and a rotating shaft is provided at the output end of the drive motor. The rotating shaft passes through the base and is connected to the bottom of the worktable. The drive motor drives the worktable to rotate through the rotating shaft.

[0013] As a preferred embodiment of the present invention, the clamping device includes a support platform and a clamping cylinder. The support platform is disposed on the top of the base, and the clamping cylinder is disposed on the support platform. The output end of the clamping cylinder is provided with a telescopic rod, and the end of the telescopic rod is provided with a swing rod. The two ends of the swing rod are hinged with clamping arms, and clamping plates that fit against the outer peripheral wall of the tube are hinged on the clamping arms.

[0014] As a preferred embodiment of this utility model, the clamp is arc-shaped, and the inner sidewall of the clamp is provided with anti-slip pads.

[0015] Compared with existing technologies, the advantages of this utility model are: 1. The three-dimensional precise movement is achieved through the coordinated action of the first displacement cylinder, the second displacement cylinder and the third displacement cylinder, so that the grinding device at the end of the connecting arm can run smoothly along the inner and outer peripheral walls of the cylinder, ensuring uniform and efficient surface treatment before welding, and improving the quality of the weld and the structural strength.

[0016] 2. The connecting arm has an inverted C-shaped structure, which avoids interference with the tube structure when grinding the inner wall of the cylinder, ensuring uniform grinding while also fitting the complex curved surface of the inner wall of the cylinder completely, achieving grinding without dead angles.

[0017] 3. The clamping device provides auxiliary clamping to the lower end of the cylinder, but does not clamp it securely. The drive motor drives the rotating shaft to rotate, thereby rotating the cylinder on the worktable. During the rotation, the clamping device provides adaptive support force, which facilitates continuous operation of the grinding device on the inner and outer peripheral walls of the cylinder. Attached Figure Description

[0018] Figure 1 This is a structural diagram of the overall tooling of this utility model; Figure 2 This is an exploded view of the present invention; Figure 3 This is a structural diagram of the clamping device of this utility model; Figure 4 This is a first-view structural diagram of the connecting arm of this utility model; Figure 5 This is a second-view structural diagram of the connecting arm of this utility model; In the diagram: 1. Base; 11. Workbench; 12. Drive motor; 121. Rotating shaft; 10. Cylinder; 2. Clamping device; 21. Support platform; 22. Clamping cylinder; 23. Telescopic rod; 24. Swing rod; 25. Clamping arm; 26. Clamping plate; 3. First displacement cylinder; 31. First slide rail; 32. First guide rail; 4. Moving platform; 41. First slider; 5. Second displacement cylinder; 51. Second slide rail; 52. Second guide rail; 6. Stand; 61. Second slider; 7. Third displacement cylinder; 71. Third slide rail; 72. Third guide rail; 8. Support plate; 81. Third slider; 82. Connecting arm; 83. Grinding device; 9. Anti-slip pad. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0020] Example: Please see Figures 1-5 A tank grinding device includes: a base 1 and a worktable 11. A cylinder 10 is placed on top of the worktable 11. A clamping device 2 is provided on the top of the base 1 and is located on one side of the worktable 11. A first displacement cylinder 3 is provided on the top of the base 1. A moving platform 4 is movably connected to the first displacement cylinder 3. A second displacement cylinder 5 is provided on the moving platform 4. A vertical frame 6 is movably connected to the second displacement cylinder 5. The vertical frame 6 is vertically arranged. A third displacement cylinder 7 is provided on the vertical frame 6. A support plate 8 is movably connected to the third displacement cylinder 7. A connecting arm 82 is provided on one side of the support plate 8. A grinding device 83 is installed at the end of the connecting arm 82.

[0021] In this embodiment, specific reference is made. Figure 1 and Figure 2 The base 1 provides stable support for the entire device. The worktable 11 is located at the center of the base 1 and is used to support the cylinder 10. During operation, the cylinder 10 is placed on the worktable 11, and the clamping device 2 flexibly clamps the cylinder 10 from the side. The first displacement cylinder 3 on the top of the base 1 is located on one side of the worktable 11. The first displacement cylinder 3 is mainly responsible for driving the moving platform 4 to reciprocate. The second displacement cylinder 5 is installed on the moving platform 4 and is used to drive the upright 6 to move back and forth, that is, to move closer to or away from the axial direction of the cylinder 10. The third displacement cylinder 7 is installed... On the stand 6, the drive plate 8 moves up and down to adjust the height of the grinding device 83 so that it is aligned with the grinding position of the cylinder 10. The connecting arm 82 extends the grinding device 83 horizontally to the cylinder 10. The connecting arm 82 is specifically in the shape of an inverted C to avoid the end of the cylinder 10 and ensure that the grinding device 83 can smoothly approach the outer and inner walls of the cylinder 10. The first displacement cylinder 3, the second displacement cylinder 5 and the third displacement cylinder 7 work together to achieve precise positioning of the grinding device 83 in three-dimensional space and to perform comprehensive grinding on the inner and outer walls of the cylinder 10.

[0022] The first displacement cylinder 3 drives the moving platform 4 to move longitudinally, the second displacement cylinder 5 drives the upright 6 to move laterally, and the third displacement cylinder 7 controls the support plate 8 to adjust up and down.

[0023] The first displacement cylinder 3 includes a first slide rail 31 and a first guide rail 32. The first slide rail 31 and the first guide rail 32 are arranged longitudinally parallel to each other on the top of the base 1. The bottom of the moving table 4 is provided with a first slider 41 that cooperates with the first slide rail 31 and the first guide rail 32.

[0024] The second displacement cylinder 5 includes a second slide rail 51 and a second guide rail 52. The second slide rail 51 and the second guide rail 52 are arranged horizontally parallel to each other on the top of the moving platform 4. The bottom of the stand 6 is provided with a second slider 61 that cooperates with the second slide rail 51 and the second guide rail 52.

[0025] The third displacement cylinder 7 includes a third slide rail 71 and a third guide rail 72. The third slide rail 71 and the third guide rail 72 are vertically parallel to each other on one side of the support frame 6. The back of the support plate 8 is provided with a third slider 81 that cooperates with the third slide rail 71 and the third guide rail 72.

[0026] In this embodiment, specific reference is made. Figure 2 And Figure 4 and Figure 5 The first slide rail 31 and the first guide rail 32 are specifically located on the top of the base 1 on one side of the worktable 11. The first slide rail 31 and the first guide rail 32 extend longitudinally along the base 1 to ensure that the moving table 4 slides smoothly under the drive of the first displacement cylinder 3. The first slider 41 at the bottom of the moving table 4 is in close cooperation with the first slide rail 31 and the first guide rail 32 to ensure the stability of the moving table 4 when moving longitudinally.

[0027] The second slide rail 51 and the second guide rail 52 on the moving table 4 are arranged laterally. The second slide rail 51 and the second guide rail 52 are located at the top of the moving table 4 and are perpendicular to the extension direction of the first slide rail 31, ensuring that the stand 6 moves smoothly laterally along the direction of the second slide rail 51. The second slider 61 at the bottom of the stand 6 matches the second slide rail 51 and the second guide rail 52, ensuring that the stand 6 moves closer to or away from the cylinder 10 without deviation during the grinding process.

[0028] The third slide rail 71 and the third guide rail 72 are vertically installed on one side of the support plate 6 and are parallel to each other. The third slider 81 on the back of the support plate 8 cooperates with the third slide rail 71 and the third guide rail 72 to ensure that the support plate 8 can be raised and lowered smoothly along the vertical direction of the third slide rail 71 and the third guide rail 72, and to precisely adjust the height of the grinding device 83 to ensure that it is always aligned with the area to be ground on the cylinder 10. The inverted C-shaped connecting arm 82 is adjusted in position synchronously under the action of the support plate 8, so that the grinding device 83 can be smoothly inserted into the end of the cylinder 10 and fit against the inner wall. At the same time, it can extend outward to the outer wall to achieve seamless switching between grinding the inner and outer walls.

[0029] For specific details, please refer to the following: Figure 2 The base 1 is equipped with a drive motor 12 at its bottom. The output end of the drive motor 12 is equipped with a rotating shaft 121. The rotating shaft 121 passes through the base 1 and is connected to the bottom of the worktable 11. The drive motor 12 drives the worktable 11 to rotate through the rotating shaft 121.

[0030] In this embodiment, the drive motor 12 drives the worktable 11 to rotate around the vertical axis through the rotating shaft 121, thereby realizing the angle adjustment of the cylinder 10 in the horizontal plane. The clamping device 2 assists in clamping and positioning the cylinder 10. The worktable 11 drives the cylinder 10 to rotate, so that different areas of the cylinder 10 are aligned with the grinding device 83 in sequence.

[0031] Specifically, the clamping device 2 includes a support platform 21 and a clamping cylinder 22. The support platform 21 is located on the top of the base 1. The clamping cylinder 22 is provided on the support platform 21. The output end of the clamping cylinder 22 is provided with a telescopic rod 23. The end of the telescopic rod 23 is provided with a swing rod 24. The two ends of the swing rod 24 are hinged with clamping arms 25. The clamping arms 25 are hinged with clamping plates 26 that fit against the outer peripheral wall of the tube.

[0032] In this embodiment, specific reference is made. Figure 3 In the clamping device 2, the support platform 21 is fixed on the top of the base 1, and the support platform 21 is located on the side of the worktable 11 away from the first displacement cylinder 3. The clamping cylinder 22 drives the telescopic rod 23 to push the swing rod 24 to move. The swing rod 24 is specifically a rod with a protrusion in the middle and concave sides. The swing rod 24 swings around the hinge point under the push of the telescopic rod 23, which drives the clamping arms 25 on both sides to open or close synchronously, so that the clamping plates 26 at the ends of the clamping arms 25 clamp or release the cylinder 10. The clamping plates 26 are specifically arc-shaped inward. The clamping plates 26 are in contact with the outer peripheral wall of the cylinder 10. The inner side wall of the clamping plates 26 is provided with anti-slip stickers 9. The anti-slip stickers 9 are specifically made of rubber material, which forms a flexible covering on the bottom outer peripheral wall of the cylinder 10. The clamping plates 26 only assist in clamping the cylinder 10, but do not completely clamp the cylinder 10.

[0033] The principle of this utility model is as follows: the cylinder 10 to be processed is placed on the workbench 11, the clamping cylinder 22 is driven to make the telescopic rod 23 push the swing rod 24 forward, the swing rod 24 drives the clamping arms 25 on both sides to retract towards the center, so that the clamping plate 26 clamps the bottom outer peripheral wall of the cylinder 10. At this time, the auxiliary clamping is completed. The drive motor 12 drives the rotating shaft 121 to drive the workbench 11 to rotate, so that the cylinder 10 rotates synchronously with the workbench 11.

[0034] First, the inner wall of the cylinder 10 is polished. The first displacement cylinder 3 is activated to move the moving platform 4 longitudinally along the first slide rail 31. Then, the second displacement cylinder 5 pushes the upright 6 to move laterally along the second slide rail 51. When it approaches the end of the cylinder 10, the third displacement cylinder 7 drives the support plate 8 to descend along the third slide rail 71. The connecting arm 82 extends into the tank, so that the polishing device 83 extends into the cylinder 10 and fits against the inner wall. The polishing device 83 is activated to polish the inner wall. After the area is polished, the third displacement cylinder 7 lifts the support plate 8, the second displacement cylinder 5 drives the upright 6 to move laterally to the outside, and the third displacement cylinder 7 descends again, so that the polishing device 83 switches to the outer wall of the cylinder 10 to achieve continuous seamless polishing.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.

Claims

1. A tank polishing apparatus characterized by, include: A base (1) and a workbench (11) are provided. A cylinder (10) is placed on top of the workbench (11). A clamping device (2) is provided on the top of the base (1). The clamping device (2) is located on one side of the workbench (11). A first displacement cylinder (3) is provided on the top of the base (1). A moving table (4) is movably connected to the first displacement cylinder (3). A second displacement cylinder (5) is provided on the moving table (4). A stand (6) is movably connected to the second displacement cylinder (5). The stand (6) is vertically arranged. A third displacement cylinder (7) is provided on the stand (6). A support plate (8) is movably connected to the third displacement cylinder (7). A connecting arm (82) is provided on one side of the support plate (8). A grinding device (83) is installed at the end of the connecting arm (82). The first displacement cylinder (3) drives the moving table (4) to move longitudinally, the second displacement cylinder (5) drives the upright (6) to move laterally, and the third displacement cylinder (7) controls the support plate (8) to adjust up and down.

2. The tank grinding device according to claim 1, characterized in that: The first displacement cylinder (3) includes a first slide rail (31) and a first guide rail (32). The first slide rail (31) and the first guide rail (32) are arranged longitudinally parallel to each other on the top of the base (1). The bottom of the moving stage (4) is provided with a first slider (41) that cooperates with the first slide rail (31) and the first guide rail (32).

3. The tank grinding device according to claim 2, characterized in that: The second displacement cylinder (5) includes a second slide rail (51) and a second guide rail (52). The second slide rail (51) and the second guide rail (52) are arranged horizontally parallel to each other on the top of the moving platform (4). The bottom of the stand (6) is provided with a second slider (61) that cooperates with the second slide rail (51) and the second guide rail (52).

4. The tank grinding device according to claim 3, characterized in that: The third displacement cylinder (7) includes a third slide rail (71) and a third guide rail (72). The third slide rail (71) and the third guide rail (72) are vertically parallel to each other on one side of the stand (6). The back of the support plate (8) is provided with a third slider (81) that cooperates with the third slide rail (71) and the third guide rail (72).

5. The tank grinding device according to claim 4, characterized in that: The connecting arm (82) has an inverted C-shaped structure; The grinding device (83) is fitted to the inner circumferential wall of the cylinder (10); The grinding device (83) is attached to the outer peripheral wall of the cylinder (10).

6. The tank grinding device according to claim 5, characterized in that: The base (1) is equipped with a drive motor (12) at the bottom. The output end of the drive motor (12) is equipped with a rotating shaft (121). The rotating shaft (121) passes through the base (1) and is connected to the bottom of the worktable (11). The drive motor (12) drives the worktable (11) to rotate through the rotating shaft (121).

7. A tank grinding device according to claim 6, characterized in that: The clamping device (2) includes a support platform (21) and a clamping cylinder (22). The support platform (21) is located on the top of the base (1). The clamping cylinder (22) is provided on the support platform (21). The output end of the clamping cylinder (22) is provided with a telescopic rod (23). The end of the telescopic rod (23) is provided with a swing rod (24). The two ends of the swing rod (24) are hinged with clamping arms (25). The clamping arms (25) are hinged with clamping plates (26) that fit against the outer peripheral wall of the tube.

8. The tank grinding device according to claim 7, characterized in that: The clamp (26) is arc-shaped, and the inner sidewall of the clamp (26) is provided with anti-slip pads (9).

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