A rolling mill for sizing thick-walled seamless steel pipes

CN224724709UActive Publication Date: 2026-09-08ZHEJIANG HONGHAI STEEL PIPE MFG CO LTD
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Patent Information

Application Number
CN202522167679.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-14
Publication Date
2026-09-08
Estimated Expiration
2035-10-14

AI Technical Summary

Technical Problem

上述结构的定径机其清理结构也适应于轧机轧制完钢管后定径的清洗,但该清理结构仅喷淋钢管的上半部,清理不够彻底

Benefits of technology

[0014] The beneficial effects of this utility model are: the cleaning mechanism of this utility model can thoroughly flush the steel pipe passing through the inner circumference of the annular pipe, ensuring the cleaning effect on the steel pipe; the flushed water slides down the cover, avoiding splashing; the cover can be swung up to facilitate the installation and cleaning of the support frame and the annular pipe; the annular pipe is locked onto the support frame by quick-connect fittings, making installation and disassembly simpler.

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Abstract

The utility model discloses a kind of thick-wall seamless steel pipe sizing production is used rolling mill, including cleaning mechanism, cleaning mechanism includes support frame and annular tube fixed on support frame, there are multiple spray heads in annular tube inner periphery array, there are multiple quick connectors in annular tube outer periphery array, each quick connector is used to connect water pipe, multiple buckles are equipped on support frame, each quick connector is clamped on corresponding buckle, support frame outer periphery is also equipped with multiple fixed parts, fixed part is used to and the rack of sizing machine is connected, support frame upper side is also swingly connected a cover, cover is inverted "L" shape, the upper end side of cover is hinged on rack, the other end of cover abuts against the workbench of rack, the cleaning mechanism of the utility model can comprehensively flush the steel pipe passing through annular tube inner periphery, can ensure the cleaning effect of steel pipe.
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Description

Technical Field

[0001] This utility model relates to a rolling mill for sizing thick-walled seamless steel pipes, and more particularly to a cleaning mechanism for a rolling mill for sizing thick-walled seamless steel pipes. Background Technology

[0002] Patent CN117066272A discloses a sizing machine for seamless steel pipe production and its usage method, including a support platform, and further including: a cleaning structure disposed above the support platform for spraying water onto the outer surface of the seamless steel pipe; and a circulating filtration structure disposed below the support platform for filtering impurities in the water; it uses water sprayed from top to bottom to clean the steel pipe, and achieves water recycling through filtration by the filter collection box, thereby improving water resource utilization efficiency and avoiding water waste; The cleaning structure of the sizing machine described above is also suitable for cleaning the steel pipe after the rolling mill has finished rolling the steel pipe. However, the cleaning structure only sprays the upper half of the steel pipe, and the cleaning is not thorough enough. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a rolling mill for sizing thick-walled seamless steel pipes, which is equipped with a cleaning mechanism that provides a more thorough cleaning effect.

[0004] The technical solution of this utility model is: a rolling mill for sizing thick-walled seamless steel pipes, including a cleaning mechanism. The cleaning mechanism includes a support frame and an annular pipe fixed on the support frame. Multiple nozzles are arranged in an array on the inner circumference of the annular pipe, and multiple quick-connect joints are arranged in an array on the outer circumference of the annular pipe. Each quick-connect joint is used to connect to a water inlet pipe. Multiple buckles are provided on the support frame, and each quick-connect joint is snapped into the corresponding buckle. The support frame is also provided with a number of fixing parts on its outer periphery, which are used to connect with the frame of the sizing machine; A cover is also swaying above the support frame. The cover is inverted "L" shape, with one side of the upper end of the cover hinged to the frame and the other end of the cover abutting the worktable of the frame.

[0005] Specifically, the support frame is a ring-shaped frame, and the outer diameter of the support frame is larger than the outer diameter of the rotating ring of the sizing machine.

[0006] Furthermore, each fixing part of the support frame is provided with a connecting hole, and a support rod is connected to each connecting hole. The front and rear ends of the frame are also provided with a wall plate with holes, and the two ends of each support rod are connected to the two wall plates respectively.

[0007] Furthermore, there are multiple sets of the support frame and the annular tube, with each support frame arranged at equal intervals between the support rods.

[0008] Specifically, each of the aforementioned buckles is disposed on one side of the support frame, and the annular tube protrusion is disposed on one side of the support frame.

[0009] Furthermore, each of the quick-connectors is provided with a limiting ring at its lower end, and each limiting ring abuts against the bottom of its corresponding buckle.

[0010] Furthermore, each of the upper quick-connectors of the limiting rings is provided with an elastic washer, and each elastic washer abuts against the bottom of the corresponding buckle.

[0011] Furthermore, a drain outlet is provided on the workbench, which is located directly below the cover.

[0012] Furthermore, a water tank is provided below the drain outlet, a filter screen is provided above the water tank, and a pump body is provided in the water tank below the filter screen, with each of the water inlet pipes connected to the pump body.

[0013] Specifically, the cover is an acrylic shell.

[0014] The beneficial effects of this utility model are: the cleaning mechanism of this utility model can thoroughly flush the steel pipe passing through the inner circumference of the annular pipe, ensuring the cleaning effect on the steel pipe; the flushed water slides down the cover, avoiding splashing; the cover can be swung up to facilitate the installation and cleaning of the support frame and the annular pipe; the annular pipe is locked onto the support frame by quick-connect fittings, making installation and disassembly simpler. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the front of the cleaning mechanism in this utility model; Figure 2 This is a schematic diagram of the side of the cleaning mechanism in this utility model.

[0016] In the diagram: 1. Support frame; 2. Ring tube; 3. Nozzle; 4. Quick connector; 5. Buckle; 6. Fixing part; 7. Cover; 8. Support rod; 9. Limiting ring; 10. Elastic washer. Detailed Implementation

[0017] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0018] Combination Figure 1 and Figure 2As shown, a rolling mill for sizing thick-walled seamless steel pipes includes a cleaning mechanism. The cleaning mechanism includes a support frame 1 and an annular pipe 2 fixed on the support frame 1. The annular pipe 2 has multiple nozzles 3 arranged in an array on its inner circumference and multiple quick-connect couplings 4 arranged in an array on its outer circumference. Each quick-connect coupling 4 is used to connect to a water inlet pipe. The support frame 1 is provided with multiple clips 5, and each quick-connect coupling 4 is clipped onto the corresponding clip 5. The support frame 1 is also provided with a plurality of fixing parts 6 on its outer periphery, the fixing parts 6 being used to connect with the frame of the sizing machine; A cover 7 is also swaying above the support frame 1. The cover 7 is inverted "L" shape. One side of the upper end of the cover 7 is hinged to the frame, and the other end of the cover 7 abuts against the worktable of the frame.

[0019] The above structure allows for a thorough flushing of the steel pipe passing through the inner circumference of the annular pipe 2, ensuring effective cleaning of the steel pipe. The flushed water slides down the cover 7, preventing splashing. The cover 7 can be swung upwards to facilitate the installation and cleaning of the support frame 1 and the annular pipe 2. The annular pipe 2 is secured to the support frame 1 by quick-connect fittings 4, making installation and disassembly simpler.

[0020] In another embodiment, combined Figure 1 and Figure 2 As shown, the support frame 1 is a ring-shaped frame, and the outer diameter of the support frame 1 is larger than the outer diameter of the rotating ring of the sizing machine.

[0021] In another embodiment, such as Figure 1 As shown, each fixing part 6 of the support frame 1 is provided with a connecting hole, and a support rod 8 is connected to each connecting hole. The front and rear ends of the frame are also provided with a wall plate with holes. The two ends of each support rod 8 are connected to the two wall plates respectively. The holes on the wall plates are used for the passage of steel pipes.

[0022] In another embodiment, there are multiple sets of support frames 1 and annular pipes 2, with each support frame 1 arranged at equal distances between each support rod 8 to perform multiple flushing of the steel pipe.

[0023] In another embodiment, combined Figure 1 and Figure 2 As shown, each of the buckles 5 is provided on one side of the support frame 1, and the annular tube 2 protrudes on one side of the support frame 1 to facilitate the installation and fixing of the annular tube 2 and to facilitate the assembly of the water inlet pipe and the quick connector 4.

[0024] In another embodiment, each of the quick connectors 4 is further provided with a limiting ring 9 at its lower end. Each limiting ring 9 abuts against the bottom of its corresponding buckle 5 to ensure that the positioning of the annular tube 2 is reliable and not prone to shaking.

[0025] In another embodiment, each of the limiting rings 9 is further provided with an elastic washer 10 at its upper end, and each elastic washer 10 abuts against the bottom of the corresponding buckle 5 to further ensure the reliability of the positioning of the annular tube 2.

[0026] In another embodiment, the workbench is also provided with a drain outlet located directly below the cover 7 to collect water sprayed from each nozzle 3.

[0027] In another embodiment, a water tank is provided below the drain outlet, a filter screen is provided above the water tank, and a pump body is provided in the water tank below the filter screen. Each of the water inlet pipes is connected to the pump body to realize the recycling of cleaning water.

[0028] In another embodiment, the cover 7 is an acrylic cover to allow operators to observe the condition of the steel pipe at any time.

Claims

1. A rolling mill for sizing thick-walled seamless steel pipes, comprising a cleaning mechanism, characterized in that, The cleaning mechanism includes a support frame (1) and an annular tube (2) fixed on the support frame (1). The annular tube (2) has multiple nozzles (3) arranged in an inner circumference and multiple quick connectors (4) arranged in an outer circumference. Each quick connector (4) is used to connect to the water inlet pipe. The support frame (1) is provided with multiple buckles (5), and each quick connector (4) is snapped into the corresponding buckle (5). The support frame (1) is also provided with a plurality of fixing parts (6) on its outer periphery, and the fixing parts (6) are used to connect with the frame of the sizing machine; A cover (7) is also swayed above the support frame (1). The cover (7) is inverted "L" shape. One side of the upper end of the cover (7) is hinged to the frame, and the other end of the cover (7) abuts against the worktable of the frame.

2. The rolling mill for sizing thick-walled seamless steel pipes as described in claim 1, characterized in that, The support frame (1) is a ring-shaped frame, and the outer diameter of the support frame (1) is larger than the outer diameter of the rotating ring of the sizing machine.

3. The rolling mill for sizing thick-walled seamless steel pipes as described in claim 2, characterized in that, Each fixing part (6) of the support frame (1) is provided with a connecting hole, and a support rod (8) is connected to each connecting hole. The front and rear ends of the frame are also provided with a wall plate with holes, and the two ends of each support rod (8) are connected to the two wall plates respectively.

4. The rolling mill for sizing thick-walled seamless steel pipes as described in claim 3, characterized in that, There are multiple sets of the support frame (1) and the annular tube (2), and each support frame (1) is arranged at equal distances between each support rod (8).

5. A rolling mill for sizing thick-walled seamless steel pipes as described in claim 4, characterized in that, Each of the buckles (5) is disposed on one side of the support frame (1), and the annular tube (2) protrudes and is disposed on one side of the support frame (1).

6. The rolling mill for sizing thick-walled seamless steel pipes as described in claim 5, characterized in that, Each of the quick connectors (4) is further provided with a limiting ring (9) at its lower end, and each limiting ring (9) abuts against the bottom of the corresponding buckle (5).

7. A rolling mill for sizing thick-walled seamless steel pipes as described in claim 6, characterized in that, Each of the limiting rings (9) has an elastic washer (10) on its upper quick connector (4), and each elastic washer (10) abuts against the bottom of the corresponding buckle (5).

8. A rolling mill for sizing thick-walled seamless steel pipes as described in claim 7, characterized in that, The workbench is also provided with a drain outlet, which is located directly below the cover (7).

9. A rolling mill for sizing thick-walled seamless steel pipes as described in claim 8, characterized in that, A water tank is provided below the drain outlet, a filter screen is provided above the water tank, and a pump body is provided in the water tank below the filter screen. Each of the water inlet pipes is connected to the pump body.

10. A rolling mill for sizing thick-walled seamless steel pipes as described in claim 9, characterized in that, The cover (7) is an acrylic shell.

Citation Information

Patent Citations

  • Sizing mill for seamless steel pipe production and using method thereof

    CN117066272A