Surface treatment device for duplex stainless steel seamless tube

By designing a duplex stainless steel seamless pipe surface treatment device including operating table, support plate, motor, rotating shaft, electric push rod, fixing clip, guide rod and other components, the seamless pipe in the grinding process in the prior art is solved. The problem of unfixed fixation achieves higher grinding uniformity and accuracy, and simplifies the replacement process of matte blocks.

CN222430233UActive Publication Date: 2025-02-07NANJING WORLD SPECIAL STEEL
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Patent Information

Application Number
CN202421202143.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-02-07
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

The existing duplex stainless steel seamless pipe surface treatment device is not firmly fixed during the grinding process, resulting in the shift of the seamless pipe, affecting the uniformity and accuracy of the grinding.

Method used

A surface treatment device including operating table, support plate, motor, rotating shaft, electric push rod, fixing clip, guide rod and other components is designed, and the stable fixation of seamless pipes is achieved through bolts, clamping rings, clamping rings and other structures. Auxiliary fixation avoids displacement and vibration.

Benefits of technology

This device can effectively avoid the displacement and vibration of the seamless pipe during grinding, improve the uniformity and accuracy of grinding, and at the same time, the difficulty of replacing the matte block is reduced by quickly loading and unloading the design of matte blocks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a duplex stainless steel seamless tube surface treatment device, which relates to the seamless tube processing field, and comprises an operation table, the upper end edge position of the operation table is fixedly connected with a support plate, the left side of the support plate is fixedly connected with a connecting plate, the upper end of the connecting plate is provided with a motor, the output end of the motor is provided with a rotating shaft, and the rotating shaft is provided with a rotating shaft. The right side of the rotating shaft is fixedly connected with a short block; the seamless pipe polishing device has the advantages that the position of the fixing clamp can be adjusted through the bolt, the clamping ring, the clamping ring, the threaded hole and the like, then the seamless pipe can be fixed in an auxiliary mode, compared with a traditional fixing mode, the seamless pipe can be prevented from shifting or vibrating in the polishing process through the fixing mode, and the polishing quality of the seamless pipe is improved. Meanwhile, the grinding uniformity and precision can be improved; the frosted block can be quickly assembled and disassembled through the fixing base, the short shaft, the clamping rod, the threaded column, the fixing ring and the like, then the frosted block can be replaced after being used for a long time, and meanwhile the replacement difficulty can be lowered.
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Description

Technical Field

[0001] The utility model relates to the field of seamless pipe processing, in particular to a surface treatment device for duplex stainless steel seamless pipes. Background Art

[0002] Duplex stainless steel seamless pipe is a special type of stainless steel pipe, which combines the advantages of ferrite and austenite stainless steel, has good welding performance and resistance to stress corrosion cracking. In the process of duplex stainless steel seamless pipe processing, a surface treatment device is used, which can improve the surface finish of the pipe and remove surface defects such as burrs and scratches.

[0003] However, in the prior art, the surface treatment device of the duplex stainless steel seamless pipe uses an electric push rod and a limit plate to fix the stainless steel seamless pipe. However, this fixing method has the problem of insufficient stability, which causes the seamless pipe to shift during the grinding process, affecting the uniformity and accuracy of the grinding. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a surface treatment device for a duplex stainless steel seamless pipe.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a surface treatment device for duplex stainless steel seamless pipe, comprising an operating table, a support plate is fixedly connected to the upper edge position of the operating table, a connecting plate is fixedly connected to the left side of the support plate, a motor is arranged on the upper end of the connecting plate, a rotating shaft is arranged on the output end of the motor, a short block is fixedly connected to the right side of the rotating shaft, a first electric push rod is arranged on the right side of the short block, a connecting block is fixedly connected to the right side of the first electric push rod, a limiting plate is fixedly connected to the right side of the connecting block, a clamping ring is fixedly connected to the front side of the connecting block, a clamping ring is movably connected to the inside of the clamping ring, a bolt is fixedly connected to the front side of the clamping ring, a guide rod is fixedly connected to the front edge position of the connecting block, a fixing clamp is arranged on the front side of the connecting plate, a guide hole is opened in the inside of the fixing clamp, and a threaded hole is opened in the inside of the fixing clamp near the guide hole.

[0006] Preferably, a second electric push rod is provided on the right side of the support plate, a moving block is fixedly connected to the right side of the second electric push rod, and a long rod is fixedly connected to the right side of the support plate near the second electric push rod.

[0007] Preferably, the lower end of the movable block is fixedly connected to a fixed seat, the lower end of the fixed seat is movably connected to a mounting plate, a limiting groove is provided inside the mounting plate, and the lower end of the mounting plate is fixedly connected to a sanding block.

[0008] Preferably, a rotation groove is provided inside the fixing seat, a short shaft is arranged inside the rotation groove, a clamping rod is sleeved on the outside of the short shaft, a threaded column is fixedly connected to the lower end of the clamping ring, and a fixing ring is sleeved on the outside of the threaded column.

[0009] Preferably, the bolt is movably connected to the connecting block through a clamping ring and a clamping ring.

[0010] Preferably, the clamping rods are provided in two groups, and are symmetrically arranged about the center line of the fixing seat.

[0011] By adopting the above technical solution, by rotating the bolt, the fixing clamp moves to one side under the cooperation of its external thread and the internal thread of the fixing clamp, and its external part is close to the inner wall of the seamless pipe to fix the seamless pipe. The setting of the guide rod can increase the stability of the fixing clamp during movement. The position of the fixing clamp can be adjusted by bolts, clamping rings, clamping rings, threaded holes, etc., so that it can assist in fixing the seamless pipe. Compared with the traditional fixing method, this fixing method can avoid displacement or vibration of the seamless pipe during the grinding process, and can also improve the uniformity and accuracy of grinding.

[0012] By adopting the above technical solution, by rotating the fixing ring, under the action of its internal thread, the fixing ring moves away from the mounting plate, and the clamping rod rotates out of the rotating groove, releasing the limit on the mounting plate, thereby realizing the disassembly of the sanding block. Similarly, during installation, the upper end of the mounting plate is placed close to the fixing seat and the clamping rod and the fixing ring are rotated. The clamping rod rotates outside the short rod and enters the rotating groove, and the fixing ring fixes the mounting plate to complete the installation of the sanding block. The sanding block can be quickly loaded and unloaded through the fixing seat, short shaft, clamping rod, threaded column, fixing ring, etc., and can be replaced after long-term use, which also reduces the difficulty of replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the connecting block structure of the utility model.

[0015] Figure 3 This is a schematic diagram of the structure of the fixing clamp of the utility model.

[0016] Figure 4 This is a schematic diagram of the structure of the fixing seat of the utility model.

[0017] In the figure: 1. operating table; 2. support plate; 3. connecting plate; 4. motor; 5. rotating shaft; 6. short block; 7. first electric push rod; 8. connecting block; 9. limiting plate; 10. clamping ring; 11. clamping ring; 12. bolt; 13. guide rod; 14. fixing clamp; 15. guide hole; 16. threaded hole; 17. second electric push rod; 18. moving block; 19. fixing seat; 20. rotating groove; 21. short shaft; 22. clamping rod; 23. threaded column; 24. fixing ring; 25. mounting plate; 26. frosting block; 27. limiting groove; 28. long rod. DETAILED DESCRIPTION

[0018] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other. Example

[0019] See also Figure 1-Figure 4 The utility model provides a technical solution: a surface treatment device for a duplex stainless steel seamless pipe, comprising an operating table 1, a support plate 2 is fixedly connected to the upper edge of the operating table 1, a connecting plate 3 is fixedly connected to the left side of the support plate 2, a motor 4 is arranged at the upper end of the connecting plate 3, a rotating shaft 5 is arranged at the output end of the motor 4, a short block 6 is fixedly connected to the right side of the rotating shaft 5, a first electric push rod 7 is arranged on the right side of the short block 6, a connecting block 8 is fixedly connected to the right side of the first electric push rod 7, a limiting plate 9 is fixedly connected to the right side of the connecting block 8, a clamping ring 10 is fixedly connected to the front side of the connecting block 8, and the internal movable connection of the clamping ring 10 There is a retaining ring 11, and a bolt 12 is fixedly connected to the front side of the retaining ring 11, a guide rod 13 is fixedly connected to the front edge of the connecting block 8, a fixing clamp 14 is provided on the front side of the connecting plate 3, a guide hole 15 is opened inside the fixing clamp 14, and a threaded hole 16 is opened inside the fixing clamp 14 near the guide hole 15, a second electric push rod 17 is provided on the right side of the support plate 2, a moving block 18 is fixedly connected to the right side of the second electric push rod 17, and a long rod 28 is fixedly connected to the right side of the support plate 2 near the second electric push rod 17, and the bolt 12 is movably connected to the connecting block 8 through the retaining ring 11 and the retaining ring 10.

[0020] Specifically, the first electric push rod 7 is started, and the first electric push rod 7 pushes the fixing clamp 14 into the interior of the seamless pipe. Then, the bolt 12 is rotated, and with the cooperation of its external thread and the internal thread of the fixing clamp 14, the fixing clamp 14 moves to one side, and its outer portion is close to the inner wall of the seamless pipe to fix the seamless pipe. The setting of the guide rod 13 can increase the stability of the fixing clamp 14 during movement. The position of the fixing clamp 14 can be adjusted by the bolt 12, the retaining ring 11, the retaining ring 10, the threaded hole 16, etc., so that it can assist in fixing the seamless pipe. Compared with the traditional fixing method, this fixing method can avoid displacement or vibration of the seamless pipe during the grinding process, and can also improve the uniformity and accuracy of grinding. Example

[0021] See also Figure 1-Figure 4 The utility model provides a technical solution: a surface treatment device for a duplex stainless steel seamless pipe, wherein a fixing seat 19 is fixedly connected to the lower end of a moving block 18, a mounting plate 25 is movably connected to the lower end of the fixing seat 19, a limiting groove 27 is provided inside the mounting plate 25, a grinding block 26 is fixedly connected to the lower end of the mounting plate 25, a rotating groove 20 is provided inside the fixing seat 19, a short shaft 21 is provided inside the rotating groove 20, a clamping rod 22 is sleeved on the outside of the short shaft 21, a threaded column 23 is fixedly connected to the lower end of a clamping ring 11, a fixing ring 24 is sleeved on the outside of the threaded column 23, two groups of clamping rods 22 are provided, and they are symmetrically arranged about the midline of the fixing seat 19.

[0022] Specifically, rotate the fixing ring 24, and under the action of its internal thread, the fixing ring 24 moves away from the mounting plate 25, and the clamping rod 22 is rotated out of the rotating groove 20, thereby releasing the limit on the mounting plate 25, and realizing the disassembly of the grinding block 26. Similarly, during installation, the upper end of the mounting plate 25 is placed close to the fixing seat 19 and the clamping rod 22 and the fixing ring 24 are rotated. The clamping rod 22 rotates outside the short rod and enters the rotating groove 20, and the fixing ring 24 fixes the mounting plate 25 to complete the installation of the grinding block 26. The grinding block 26 can be quickly loaded and unloaded through the fixing seat 19, the short shaft 21, the clamping rod 22, the threaded column 23, the fixing ring 24, etc., and can be replaced after long-term use, which also reduces the difficulty of replacement.

[0023] Working principle: When the duplex stainless steel seamless pipe surface treatment device is used, first, the seamless pipe to be polished is placed between the two sets of limit plates 9 and the first electric push rod 7 is started. The first electric push rod 7 pushes the fixing clamp 14 into the interior of the seamless pipe, and then the bolt 12 is turned. Under the cooperation of its external thread and the internal thread of the fixing clamp 14, the fixing clamp 14 moves to one side, and its outer part is close to the inner wall of the seamless pipe to fix the seamless pipe. The setting of the guide rod 13 can increase the stability of the fixing clamp 14 during movement. The position of the fixing clamp 14 can be adjusted by the bolt 12, the clamping ring 11, the clamping ring 10, the threaded hole 16, etc., so that it can assist in fixing the seamless pipe. Compared with the traditional fixing method, this fixing method can avoid displacement or vibration of the seamless pipe during the grinding process, and can also improve the uniformity and accuracy of grinding. After the fixing is completed, open The motor 4 and the second electric push rod 17 drive the grinding block 26 to grind the outside of the seamless pipe. When the grinding block 26 needs to be replaced, the fixing ring 24 is rotated. Under the action of its internal thread, the fixing ring 24 moves away from the mounting plate 25, and the clamping rod 22 is rotated out of the rotating groove 20 to release the limit of the mounting plate 25, that is, the removal of the grinding block 26 is realized. Similarly, during installation, the upper end of the mounting plate 25 is placed close to the fixing seat 19 and the clamping rod 22 and the fixing ring 24 are rotated. The clamping rod 22 rotates outside the short rod and enters the rotating groove 20. The fixing ring 24 fixes the mounting plate 25 to complete the installation of the grinding block 26. The grinding block 26 can be quickly loaded and unloaded through the fixing seat 19, the short shaft 21, the clamping rod 22, the threaded column 23, the fixing ring 24, etc., so that it can be replaced after long-term use, and the difficulty of replacement can also be reduced.

[0024] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A surface treatment device for a duplex stainless steel seamless pipe, comprising an operating table (1), characterized in that: The upper edge of the operating table (1) is fixedly connected to a support plate (2), the left side of the support plate (2) is fixedly connected to a connecting plate (3), the upper end of the connecting plate (3) is provided with a motor (4), the output end of the motor (4) is provided with a rotating shaft (5), the right side of the rotating shaft (5) is fixedly connected to a short block (6), the right side of the short block (6) is provided with a first electric push rod (7), the right side of the first electric push rod (7) is fixedly connected to a connecting block (8), the right side of the connecting block (8) is fixedly connected to a limiting plate (9), and the right side of the connecting block (9) is fixedly connected to a limiting plate (9). ), the front side of the connecting block (8) is fixedly connected with a clamping ring (10), the inside of the clamping ring (10) is movably connected with a clamping ring (11), the front side of the clamping ring (11) is fixedly connected with a bolt (12), the front edge of the connecting block (8) is fixedly connected with a guide rod (13), the front side of the connecting plate (3) is provided with a fixing clamp (14), the inside of the fixing clamp (14) is provided with a guide hole (15), and the inside of the fixing clamp (14) is provided with a threaded hole (16) near the guide hole (15).

2. The surface treatment device for a duplex stainless steel seamless pipe according to claim 1, characterized in that: A second electric push rod (17) is arranged on the right side of the support plate (2), a moving block (18) is fixedly connected to the right side of the second electric push rod (17), and a long rod (28) is fixedly connected to the right side of the support plate (2) near the second electric push rod (17).

3. A surface treatment device for duplex stainless steel seamless pipe according to claim 2, characterized in that: The lower end of the moving block (18) is fixedly connected to a fixing seat (19), the lower end of the fixing seat (19) is movably connected to a mounting plate (25), a limiting groove (27) is provided inside the mounting plate (25), and the lower end of the mounting plate (25) is fixedly connected to a grinding block (26).

4. A surface treatment device for duplex stainless steel seamless pipe according to claim 3, characterized in that: The fixing seat (19) is provided with a rotation groove (20) inside, a short shaft (21) is provided inside the rotation groove (20), a clamping rod (22) is sleeved on the outside of the short shaft (21), a threaded column (23) is fixedly connected to the lower end of the clamping ring (11), and a fixing ring (24) is sleeved on the outside of the threaded column (23).

5. The surface treatment device for a duplex stainless steel seamless pipe according to claim 1, characterized in that: The bolt (12) is movably connected to the connection block (8) through a clamping ring (11) and a clamping ring (10).

6. The surface treatment device for duplex stainless steel seamless pipe according to claim 4, characterized in that: The clamping rods (22) are provided in two groups and are symmetrically arranged about the center line of the fixing seat (19).