Steel pipe surface polishing device
By designing a steel pipe surface polishing device with arc-shaped polishing plate and pneumatic inner spike jaws, the problem of manual reliance on polishing position in the prior art is solved, and the uniformity and high quality of the steel pipe surface polishing are achieved.
Patent Information
- Application Number
- CN202422088940.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-28
AI Technical Summary
During the polishing process of steel pipes, existing polishing devices rely on manual polishing positions, resulting in inconsistent polishing degrees at different positions, affecting the polishing quality.
A steel pipe surface polishing device is designed, using arc-shaped polishing plates and pneumatic inner-swelling jaws to fix the steel pipe. The arc-shaped polishing plates and jaws are driven to rotate through a rotating transmission assembly and a motor to achieve uniform rotation and polishing of the steel pipe.
The uniformity of the surface polishing of steel pipes is achieved, ensuring the consistent polishing degree at different locations, and improving the polishing quality.
Smart Images

Figure CN222986623U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of polishing devices, in particular to a steel pipe surface polishing device. Background Art
[0002] Polishing refers to a processing method that uses mechanical, chemical or electrochemical effects to reduce the surface roughness of a workpiece to obtain a bright and smooth surface. It is a modification process on the surface of a workpiece using polishing tools and abrasive particles or other polishing media. The effect of polishing: The bright tube after surface polishing has a bright and beautiful appearance and is easy to clean. It has an invisible protective film that can prevent the surface of the tube from being corroded, is not easy to accumulate scale, and has a longer service life.
[0003] The existing polishing device relies heavily on manual labor to determine the polishing position during the polishing process of the steel pipe, and the polishing degree of different positions of the steel pipe is different, which results in uneven polishing and affects the polishing quality. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a steel pipe surface polishing device, which effectively solves the problem that the polishing position of the existing polishing device during the steel pipe polishing process is more dependent on manual labor, and the degree of polishing at different positions of the steel pipe is different, which leads to uneven polishing and affects the polishing quality.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel pipe surface polishing device, including a device body, the four corners of the bottom of the device body are fixedly installed with support legs, the middle part of the bottom of the device body is fixedly installed with a mounting frame, one side of the bottom of the device body is fixedly installed with a mounting plate, the upper part of one side of the mounting plate is fixedly installed with a motor, the middle part of the inside of the device body is provided with an arc-shaped polishing plate, the other side of the bottom of the device body is provided with a first pneumatic inner expansion jaw, one side of the top of the device body is fixedly installed with a first cylinder, the transmission end of the first cylinder extends to the inside of the device body and is rotatably installed with a second pneumatic inner expansion jaw, the output end of the motor is transmission-connected with the arc-shaped polishing plate and the first pneumatic inner expansion jaw through a rotating transmission assembly, the motor outputs power to the arc-shaped polishing plate and the first pneumatic inner expansion jaw through the rotating transmission assembly, so that the arc-shaped polishing plate and the first pneumatic inner expansion jaw can drive the steel pipe to rotate while polishing it evenly.
[0006] Preferably, the rotary drive assembly includes a first sprocket and a second sprocket. The first sprocket is fixedly installed at the output end of the motor. The second sprocket is arranged on one side inside the mounting frame. A chain is meshed and connected between the second sprocket and the first sprocket. One side of the second sprocket is fixedly installed with a shaft rod. Two bushings are rotatably installed on the surface of the shaft rod. The upper parts of the two bushings are fixedly connected to the bottom of the device body. One end of the shaft rod is fixedly installed with a first bevel gear. A second bevel gear is meshed and connected to one side of the first bevel gear. The bottom of the second bevel gear is fixedly connected to the bottom inside the mounting frame through a shaft seat. The top of the second bevel gear is fixedly installed with a rotating rod. The top of the rotating rod extends into the device body and is fixedly connected to the bottom of the first pneumatic internal expansion gripper.
[0007] Preferably, one side of the first sprocket is fixedly installed with a transmission rod. One end of the side of the transmission rod is rotatably installed with a transmission pin. A transmission strip is arranged on one side of the transmission rod. A transmission groove is opened on the side of the transmission strip close to the transmission rod. The transmission pin is movably installed inside the transmission slot. The middle of one side of the transmission strip is fixedly installed with a second cylinder. The transmission end of the second cylinder is fixedly connected to the arc-shaped polishing plate. Both ends of the transmission strip are fixedly installed with sliding sleeves. Slide rods are inserted into the inside of the sliding sleeves. Both ends of the two slide rods are fixedly connected to the bottom and the top inside the device body.
[0008] Compared with the prior art, the beneficial effects of the present utility model are as follows: When in use, the operator vertically places the steel pipe on the first pneumatic internal expansion gripper, and then starts the first cylinder to drive the second pneumatic internal expansion gripper to move downwards and press tightly on the top of the steel pipe. Then, the first pneumatic internal expansion gripper and the second pneumatic internal expansion gripper are started simultaneously to internally expand and position the inner walls at both ends of the steel pipe. Immediately afterwards, the operator starts the second cylinder to drive the arc-shaped polishing plate to move and be closely attached to the surface of the steel pipe. Then, the operator starts the motor to drive the first sprocket to rotate;
[0009] When the first sprocket rotates, it drives the second sprocket to rotate through the chain. When the second sprocket rotates, it drives the shaft rod to rotate along the inside of the two bushings. When the shaft rod rotates, it drives the second bevel gear to rotate along the shaft seat through the first bevel gear. When the second bevel gear rotates, it drives the first pneumatic internal expansion gripper to rotate through the rotating rod. When the first pneumatic internal expansion gripper rotates, it drives the steel pipe to rotate. At the same time when the first sprocket rotates, it also drives the transmission pin to rotate in the transmission groove inside the transmission strip through the transmission rod, so as to reciprocally drive the transmission strip to move up and down. When the transmission strip moves, it drives the two sliding sleeves to slide on the surfaces of the two slide rods, increasing the stability when the transmission strip moves up and down. When the transmission strip moves up and down, it drives the arc-shaped polishing plate to reciprocally move up and down through the second cylinder, so as to evenly polish the surface of the steel pipe; enabling the present polishing device to evenly and effectively polish the surface of the steel pipe, making the polishing degree of different positions of the steel pipe the same, thereby improving the polishing quality. Description of the Drawings
[0010] The accompanying drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model.
[0011] In the accompanying drawings:
[0012] Figure 1 is a schematic structural view of the steel pipe surface polishing device of the present utility model Figure 1 ;
[0013] Figure 2 is a schematic structural view of the steel pipe surface polishing device of the present utility model Figure 2 ;
[0014] Figure 3 is a schematic structural view of the steel pipe surface polishing device of the present utility model Figure 3 ;
[0015] In the figure: 1, device main body; 2, support leg; 3, mounting frame; 4, mounting plate; 5, motor; 6, arc polishing plate; 7, first pneumatic internal expansion jaw; 8, first cylinder; 9, second pneumatic internal expansion jaw; 10, first sprocket; 11, second sprocket; 12, chain; 13, shaft rod; 14, shaft sleeve; 15, first bevel gear; 16, second bevel gear; 17, shaft seat; 18, rotating rod; 19, transmission rod; 20, transmission strip; 21, sliding sleeve; 22, sliding rod; 23, second cylinder; 24, transmission pin; 25, transmission groove. Detailed implementation manners
[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0017] By Figures 1 to 3The utility model includes a device body 1, the four corners of the bottom of the device body 1 are fixedly installed with support legs 2, the middle part of the bottom of the device body 1 is fixedly installed with a mounting frame 3, one side of the bottom of the device body 1 is fixedly installed with a mounting plate 4, the upper part of one side of the mounting plate 4 is fixedly installed with a motor 5, the middle part of the inside of the device body 1 is provided with an arc-shaped polishing plate 6, the other side of the bottom of the device body 1 is provided with a first pneumatic inner expanding jaw 7, one side of the top of the device body 1 is fixedly installed with a first cylinder 8, the transmission end of the first cylinder 8 extends to the inside of the device body 1 and is rotatably installed with a second pneumatic inner expanding jaw 9, the output end of the motor 5 is connected to the arc-shaped polishing plate 6 and the first pneumatic inner expanding jaw 7 through a rotating transmission component, the motor 5 outputs power to the arc-shaped polishing plate 6 and the first pneumatic inner expanding jaw 7 through the rotating transmission component, so that the arc-shaped polishing plate 6 and the first pneumatic inner expanding jaw 7 can drive the steel pipe to rotate while polishing it evenly.
[0018] The operator places the steel pipe upright on the first pneumatic inner expansion jaw 7, and then starts the first cylinder 8 to drive the second pneumatic inner expansion jaw 9 to move down and press on the top of the steel pipe, and then starts the first pneumatic inner expansion jaw 7 and the second pneumatic inner expansion jaw 9 at the same time to expand and position the inner walls of the two ends of the steel pipe. Then the operator drives the arc polishing plate 6 to move tightly with the surface of the steel pipe through the rotating transmission component, and then the operator starts the motor 5 to drive the rotating transmission component to operate. When the rotating transmission component is in operation, it drives the first pneumatic inner expansion jaw 7 to rotate, and when the first pneumatic inner expansion jaw 7 rotates, it drives the steel pipe to rotate. When the rotating transmission component is in operation, it also drives the arc polishing plate 6 to move back and forth up and down, so as to evenly polish the surface of the steel pipe; so that the polishing device can evenly and effectively polish the surface of the steel pipe, so that the degree of polishing at different positions of the steel pipe is the same, thereby improving the polishing quality.
[0019] The rotary drive assembly includes a first sprocket 10 and a second sprocket 11. The first sprocket 10 is fixedly installed at the output end of the motor 5. The second sprocket 11 is arranged on one side inside the mounting frame 3. A chain 12 is meshed and connected between the second sprocket 11 and the first sprocket 10. A shaft rod 13 is fixedly installed on one side of the second sprocket 11. Two bushings 14 are rotatably installed on the surface of the shaft rod 13. The upper parts of the two bushings 14 are fixedly connected to the bottom of the device main body 1. One end of the shaft rod 13 is fixedly installed with a first bevel gear 15. A second bevel gear 16 is meshed and connected to one side of the first bevel gear 15. The bottom of the second bevel gear 16 is fixedly connected to the bottom inside the mounting frame 3 through a shaft seat 17. The top of the second bevel gear 16 is fixedly installed with a rotating rod 18. The top of the rotating rod 18 extends into the device main body 1 and is fixedly connected to the bottom of the first pneumatic internal expansion gripper 7. A transmission rod 19 is fixedly installed on one side of the first sprocket 10. A transmission pin 24 is rotatably installed at the end of one side of the transmission rod 19. A transmission strip 20 is arranged on one side of the transmission rod 19. A transmission groove 25 is formed on the side of the transmission strip 20 close to the transmission rod 19. The transmission pin 24 is movably installed inside the transmission strip 20. A second cylinder 23 is fixedly installed in the middle of one side of the transmission strip 20. The transmission end of the second cylinder 23 is fixedly connected to the arc-shaped polishing plate 6. Sliding sleeves 21 are fixedly installed at both ends of the transmission strip 20. Slide bars 22 are inserted into the sliding sleeves 21. Both ends of the two slide bars 22 are fixedly connected to the bottom and the top inside the device main body 1.
[0020] The operator starts the second cylinder 23 to drive the arc-shaped polishing plate 6 to move and press against the surface of the steel pipe. Then the operator starts the motor 5 to drive the first sprocket 10 to rotate. When the first sprocket 10 rotates, it drives the second sprocket 11 to rotate through the chain 12. When the second sprocket 11 rotates, it drives the shaft rod 13 to rotate along the inside of the two bushings 14. When the shaft rod 13 rotates, it drives the second bevel gear 16 to rotate along the shaft seat 17 through the first bevel gear 15. When the second bevel gear 16 rotates, it drives the first pneumatic internal expansion gripper 7 to rotate through the rotating rod 18. When the first pneumatic internal expansion gripper 7 rotates, it drives the steel pipe to rotate. At the same time when the first sprocket 10 rotates, it also drives the transmission pin 24 to rotate in the transmission groove 25 inside the transmission strip 20 through the transmission rod 19, so as to reciprocally drive the transmission strip 20 to move up and down. When the transmission strip 20 moves, it drives the two sliding sleeves 21 to slide on the surfaces of the two slide bars 22, increasing the stability of the transmission strip 20 when moving up and down. When the transmission strip 20 moves up and down, it drives the arc-shaped polishing plate 6 to reciprocally move up and down through the second cylinder 23, so as to evenly polish the surface of the steel pipe.
Claims
1. A steel pipe surface polishing device, comprising a device body (1), characterized in that: The four corners of the bottom of the device body (1) are fixedly mounted with support legs (2); a mounting frame (3) is fixedly mounted in the middle of the bottom of the device body (1); a mounting plate (4) is fixedly mounted on one side of the bottom of the device body (1); a motor (5) is fixedly mounted on the upper part of one side of the mounting plate (4); an arc-shaped polishing plate (6) is provided in the middle of the inside of the device body (1); a first pneumatic inner expansion clamp (7) is provided on the other side of the bottom of the device body (1); a first cylinder (7) is fixedly mounted on one side of the top of the device body (1); (8), the transmission end of the first cylinder (8) extends to the interior of the device body (1) and is rotatably mounted with a second pneumatic inner expansion clamp (9), the output end of the motor (5) is transmission-connected with the arc-shaped polishing plate (6) and the first pneumatic inner expansion clamp (7) through a rotary transmission assembly, the motor (5) outputs power to the arc-shaped polishing plate (6) and the first pneumatic inner expansion clamp (7) through the rotary transmission assembly, so that the arc-shaped polishing plate (6) and the first pneumatic inner expansion clamp (7) can drive the steel pipe to rotate while polishing it evenly.
2. A steel pipe surface polishing device according to claim 1, characterized in that: The rotary transmission assembly comprises a first sprocket (10) and a second sprocket (11), wherein the first sprocket (10) is fixedly mounted on the output end of the motor (5), the second sprocket (11) is arranged on one side inside the mounting frame (3), a chain (12) is meshedly connected between the second sprocket (11) and the first sprocket (10), a shaft (13) is fixedly mounted on one side of the second sprocket (11), two shaft sleeves (14) are rotatably mounted on the surface of the shaft (13), and the upper parts of the two shaft sleeves (14) are both connected to the device body. The bottom of the mounting frame (1) is fixedly connected, one end of the shaft (13) is fixedly mounted with a first bevel gear (15), one side of the first bevel gear (15) is meshingly connected with a second bevel gear (16), the bottom of the second bevel gear (16) is fixedly connected to the bottom of the inside of the mounting frame (3) through an axle seat (17), the top of the second bevel gear (16) is fixedly mounted with a rotating rod (18), the top of the rotating rod (18) extends to the inside of the device body (1) and is fixedly connected to the bottom of the first pneumatic inner expansion clamp (7).
3. A steel pipe surface polishing device according to claim 2, characterized in that: A transmission rod (19) is fixedly mounted on one side of the first sprocket (10), a transmission pin (24) is rotatably mounted on the end of one side of the transmission rod (19), a transmission bar (20) is provided on one side of the transmission rod (19), a transmission groove (25) is provided on the side of the transmission bar (20) close to the transmission rod (19), the transmission pin (24) is movably mounted inside the transmission pin (24), a second cylinder (23) is fixedly mounted on the middle part of one side of the transmission bar (20), the transmission end of the second cylinder (23) is fixedly connected to the arc-shaped polishing plate (6), sliding sleeves (21) are fixedly mounted on both ends of the transmission bar (20), sliding rods (22) are inserted into the inside of the sliding sleeves (21), and both ends of the two sliding rods (22) are fixedly connected to the bottom and top of the inside of the device body (1).