Device for preventing leveling working roller from sticking iron on strip steel leveling line
By installing a blowing device and a collection device on the inlet guide plate of the strip steel leveling line, the problem of concave roller marks caused by iron oxide scale adhesion was solved, achieving efficient and stable cleaning results and improving production efficiency and equipment life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-04-07
AI Technical Summary
In existing technologies, when cold steel coils are uncoiled, iron oxide scale adheres to the leveling work rolls of the strip steel leveling line, causing concave roll marks and equipment wear. Manual cleaning is inefficient and unstable, failing to meet the high efficiency and stability requirements of modern production lines.
A purging device is installed on the inlet guide plate of the strip leveling line. Compressed air is used to purge the surface of the strip. Combined with a collection device, waste is recovered to prevent iron filings from adhering to the leveling work rolls. The stability and reliability of the device are improved by the support frame and rotating seat.
It effectively removes iron filings from the surface of the strip steel, reduces roller wear, improves production efficiency and equipment life, and ensures that the strip steel surface is smooth and free of contamination, meeting the needs of efficient and stable production.
Smart Images

Figure CN224087482U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the strip steel flattening line field, concretely is a kind of device for preventing strip steel flattening line from sticking iron to flattening work roll. BACKGROUND
[0002] In the production process of strip steel flattening line, especially when cold steel coil is unwound, there is often a small amount of oxide scale on the surface of strip steel. These oxide scales will adhere to the flattening work roll under the action of rolling force when the strip steel enters the flattening machine, forming a protrusion. If not cleaned in time, the oxide scale will cause periodic concave roll marks on the surface of the work roll, affecting the quality of the subsequent flattened strip steel surface and causing obvious surface defects. This not only affects product quality, but also may cause long-term wear of the equipment, resulting in increased maintenance costs.
[0003] Although the existing traditional solutions have alleviated the problems caused by the oxide scale on the surface of the strip steel to some extent, they mostly rely on manual cleaning and have many shortcomings. Manual cleaning is not only time-consuming and labor-intensive, but also has high operation risk. The cleaning effect is affected by the experience, judgment and working environment of the operator, and instability may occur, which cannot guarantee the timely removal of all oxide scales and foreign matter. In addition, the traditional cleaning method is difficult to implement in a high-yield and high-speed production environment, and cannot meet the requirements of modern production lines for efficient and stable operation.
[0004] The manual cleaning process may also cause secondary damage to the equipment. The use of tools during the cleaning process may damage the equipment, increasing the maintenance and repair costs of the equipment. Moreover, manual cleaning cannot be thorough, and oxide scales and foreign matter may still enter the flattening machine, causing the work roll to adhere again, forming new protrusions and concave roll marks, and further affecting product quality, causing a vicious cycle.
[0005] In addition to the increase in equipment maintenance costs, the decline in production efficiency is also a problem caused by manual cleaning. Manual cleaning often requires the speed of the strip steel to be temporarily stopped or slowed down, resulting in a decrease in production efficiency and affecting the overall operation rhythm of the production line. UTILITY MODEL CONTENTS
[0006] To solve the problem that the existing cleaning method relies on manual operation, has low efficiency and poor stability, and cannot meet the requirements of modern production lines for high efficiency and accuracy, the utility model provides a device for preventing strip steel flattening line from sticking iron to flattening work roll.
[0007] This utility model is achieved through the following technical solution: a device for preventing iron from sticking to the leveling work rolls in a strip leveling line, comprising an inlet guide plate, a blowing device, and a collecting device. The blowing device is installed on the inlet guide plate and includes a support frame, a compressed air pipeline, and a control valve. The support frame is disposed on one side of the inlet guide plate, and the compressed air pipeline is disposed on the support frame and used to blow the surface of the strip. The height of the compressed air pipeline is parallel to the upper surface of the strip. The control valve is connected to the compressed air pipeline, and the collecting device is installed on the other side of the inlet guide plate and used to collect waste material.
[0008] A further improvement of this utility model is that the collecting device includes a receiving cavity and an extension baffle. The receiving cavity is disposed at the lower part of the inlet guide plate, and the extension baffle is installed at the upper part of the receiving cavity and is inclined to one side of the inlet guide plate to form a 45-degree angle.
[0009] A further improvement of this utility model is that the support frame includes a base, and a fixing ring for supporting the compressed air pipeline is provided on the base. The fixing ring includes a lower fixing ring and an upper fixing ring. The base is disposed on the inlet guide plate, and a support seat is provided on the upper part of the base. The lower fixing ring is installed on the support seat. Connecting platforms are provided on both sides of the lower fixing ring, and the upper fixing ring is fixed to the connecting platforms by clamps.
[0010] A further improvement of this utility model is that the fixing ring also includes a protective layer, which is installed on the lower fixing ring and the upper fixing ring.
[0011] A further improvement of this utility model is that it also includes a rotating seat, which includes a fixed plate, a rotating plate and a connecting plate. The fixed plate is fixed to the inlet guide plate, the rotating plate is connected to the fixed plate through a rotating shaft, the lower part of the connecting plate is installed on the rotating plate, and the upper part of the connecting plate is fixed to the base.
[0012] A further improvement of this utility model is that a ball bearing is provided between the rotating plate and the connecting plate.
[0013] As can be seen from the above technical solutions, the beneficial effects of this utility model are: by installing a blowing device on the inlet guide plate of the strip steel leveling line, the surface of the strip steel is blown by compressed air pipeline, effectively removing the attached iron filings and impurities, preventing them from adhering to the leveling work rolls, thereby reducing roller wear and iron sticking, ensuring that the strip steel surface is smooth and free of pollution, and at the same time, the waste material is recovered by the collection device, optimizing the production process and improving equipment life and production efficiency.
[0014] The collection device, through its design of a receiving cavity and extended baffle, effectively concentrates and stores waste generated during the purging process, preventing waste from spreading to other areas of the workshop. The 45-degree inclination angle of the extended baffle ensures that waste can quickly flow to the inlet of the receiving cavity, preventing waste from bouncing or splashing out, further improving the efficiency of waste collection and ensuring the cleanliness of the equipment and the smooth operation of production.
[0015] The support frame design provides stable support for the compressed air pipeline. The base and retaining ring structure ensure the compressed air pipeline is securely fixed to the support frame, preventing loosening due to external vibration or other factors, thus enhancing the stability and reliability of the entire purging device. Simultaneously, the protective layer of the retaining ring effectively reduces damage to the pipeline from the external environment, extending the equipment's service life.
[0016] The rotating seat design enables the purging device to achieve a more uniform purging effect on the strip surface. The ball bearing design between the rotating plate and the connecting plate reduces friction and wear, ensuring smooth operation of the purging device while improving system reliability and durability. The dynamic purging function of the rotating seat avoids the problem of incomplete purging in localized areas, ensuring the cleanliness of the strip surface and improving the operating efficiency and service life of the device. Attached Figure Description
[0017] To more clearly illustrate the technical solution of this utility model, the drawings used in the description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the overall structure of a specific embodiment of the present utility model.
[0019] Figure 2 This is a schematic diagram of the support frame structure according to a specific embodiment of the present utility model.
[0020] Figure 3 This is a schematic diagram of the rotating seat structure according to a specific embodiment of the present invention.
[0021] Figure 4 This is a schematic cross-sectional view of the rotating seat according to a specific embodiment of the present invention.
[0022] In the attached diagram: 1. Inlet guide plate; 2. Collection device; 21. Receiving cavity; 22. Extension baffle; 3. Support frame; 31. Base; 32. Lower fixing ring; 33. Upper fixing ring; 34. Support seat; 35. Connecting platform; 36. Clamp; 4. Compressed air pipeline; 5. Control valve; 6. Rotating seat; 61. Fixed plate; 62. Rotating plate; 63. Connecting plate; 64. Ball bearing; 7. Strip steel. Detailed Implementation
[0023] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.
[0024] refer to Figure 1 As shown, a device for preventing iron adhesion on the leveling rolls of a strip leveling line includes an inlet guide plate 1, a blowing device, and a collecting device 2. The blowing device is installed on the inlet guide plate 1 and includes a support frame 3, a compressed air pipeline 4, and a control valve 5. The support frame 3 is located on one side of the inlet guide plate 1, and the compressed air pipeline 4 is located on the support frame 3 and used to blow the surface of the strip 7. The pipeline height of the compressed air pipeline 4 is parallel to the upper surface of the strip. The control valve 5 is connected to the compressed air pipeline 4, and the collecting device 2 is installed on the other side of the inlet guide plate 1 and used to collect waste material. The usage process of this device for preventing iron adhesion on the leveling rolls of a strip leveling line is as follows: First, the inlet guide plate 1 is installed at the inlet position of the strip leveling line, and the blowing device is installed on it. The purging device consists of a support frame 3, a compressed air pipeline 4, and a control valve 5. The support frame 3 is positioned on one side of the inlet guide plate 1, and the compressed air pipeline 4 is mounted on the support frame 3, kept parallel to the upper surface of the strip to ensure uniform airflow across the strip surface. During operation, the control valve 5 is connected to the compressed air pipeline 4, and the airflow is controlled by adjusting the valve. As the strip passes through the inlet guide plate 1, the compressed air pipeline 4 blows the strip surface through nozzles. The powerful airflow removes iron filings and impurities adhering to the strip surface, preventing these impurities from adhering to the leveling rollers and ensuring a smooth, uncontaminated strip surface, thereby reducing roller wear and iron adhesion. Simultaneously, a collection device 2 is installed on the other side of the inlet guide plate 1 to collect waste generated during the purging process.
[0025] Please continue to refer to this. Figure 1As shown, the collection device 2 includes a receiving cavity 21 and an extended baffle 22. The receiving cavity 21 is located below the inlet guide plate 1, and the extended baffle 22 is installed above the receiving cavity 21 and tilted towards one side of the inlet guide plate 1 at a 45-degree angle. The receiving cavity 21 ensures that waste can be quickly collected and stored, preventing it from spreading to other areas of the workshop. The extended baffle 22 is installed above the receiving cavity 21 and tilted towards one side of the inlet guide plate 1 at an approximately 45-degree angle. This design allows waste to flow quickly to the inlet of the receiving cavity 21 after being removed by the purging device, preventing waste from bouncing or splashing out during the purging process and ensuring smooth waste collection. Combined with the angle design of the inlet guide plate 1, the extended baffle 22 further improves the efficiency of waste collection, ensuring the cleanliness and smooth operation of the entire device.
[0026] refer to Figure 2 As shown, the support frame 3 includes a base 31, which is located on one side of the inlet guide plate 1 and provides a foundation for supporting the entire purging device. A fixing ring for supporting the compressed air pipeline 4 is provided on the base 31. The fixing ring consists of a lower fixing ring 32 and an upper fixing ring 33. The lower fixing ring 32 is installed on the upper part of the base 31 and fixed by a support seat 34 to ensure its stability and load-bearing capacity. The support seat 34 provides additional support for the lower fixing ring 32, preventing it from being subjected to unnecessary pressure or vibration.
[0027] Connecting platforms 35 are provided on both sides of the lower fixing ring 32. The function of the connecting platforms 35 is to provide support for fixing the upper fixing ring 33. The upper fixing ring 33 is connected to the connecting platforms 35 by clamps 36, thereby ensuring that the compressed air pipeline 4 can be firmly fixed on the support frame 3 and will not loosen due to external vibration or other factors. This design not only improves stability but also facilitates installation and disassembly.
[0028] In addition, the retaining ring also includes a protective layer. This protective layer is installed on the outside of the lower retaining ring 32 and the upper retaining ring 33, serving to protect the compressed air pipeline 4, preventing damage from the external environment, and increasing the service life of the device. The protective layer also effectively reduces friction, preventing wear or malfunctions caused by friction.
[0029] refer to Figures 3-4 As shown, the device for preventing the leveling work rolls from sticking to iron in the steel leveling line also includes a rotating base 6, which comprises a fixed plate 61, a rotating plate 62, and a connecting plate 63. The fixed plate 61 is fixedly installed on the inlet guide plate 1, serving as the basic support for the rotating base 6 and ensuring its stability during operation. The rotating plate 62 is connected to the fixed plate 61 via a rotating shaft, which allows the rotating plate 62 to rotate relative to the fixed plate 61, thereby achieving a dynamic blowing function for cleaning the strip surface.
[0030] The lower part of the connecting plate 63 is mounted on the rotating plate 62, and the upper part of the connecting plate 63 is fixed to the base 31, providing additional stability and support. The fixed connection between the connecting plate 63 and the base 31 ensures that the rotating seat 6 will not loosen or shift during rotation, thereby maintaining the efficient operation of the purging device.
[0031] To further optimize the connection between the rotating plate 62 and the connecting plate 63 and reduce friction and wear, ball bearings 64 are installed between the rotating plate 62 and the connecting plate 63. The installation of ball bearings 64 makes the relative movement between the rotating plate 62 and the connecting plate 63 smoother, reduces energy loss and wear caused by friction, and improves the reliability and durability of the system.
[0032] With the design of the rotating seat 6, the purging device can form a more uniform purging effect on the surface of the strip steel, avoiding the phenomenon of incomplete purging in local areas, further improving the cleanliness of the strip steel surface, and the design of the rotating seat 6 improves the operating efficiency and service life of the device.
[0033] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A device for preventing iron from sticking to the leveling work roll in a strip leveling line, characterized in that, The device includes an inlet guide plate (1), a purging device, and a collection device (2). The purging device is installed on the inlet guide plate (1) and includes a support frame (3), a compressed air pipeline (4), and a control valve (5). The support frame (3) is located on one side of the inlet guide plate (1), and the compressed air pipeline (4) is located on the support frame (3) and used to purge the surface of the strip steel. The pipeline height of the compressed air pipeline (4) is parallel to the upper surface of the strip steel. The control valve (5) is connected to the compressed air pipeline (4), and the collection device (2) is installed on the other side of the inlet guide plate (1) and used to collect waste materials.
2. The device for preventing the leveling work roll from sticking to iron in a strip leveling line according to claim 1, characterized in that, The collecting device (2) includes a receiving cavity (21) and an extension baffle (22). The receiving cavity (21) is located at the lower part of the inlet guide plate (1), and the extension baffle (22) is installed at the upper part of the receiving cavity (21) and is inclined to one side of the inlet guide plate (1) to form a 45-degree angle.
3. The device for preventing the leveling work roll from sticking to iron in a strip leveling line according to claim 1, characterized in that, The support frame (3) includes a base (31), on which a fixing ring for supporting the compressed air pipeline (4) is provided. The fixing ring includes a lower fixing ring (32) and an upper fixing ring (33). The base (31) is located on the inlet guide plate (1). A support seat (34) is provided on the upper part of the base (31). The lower fixing ring (32) is installed on the support seat (34). Connecting platforms (35) are provided on both sides of the lower fixing ring (32). The upper fixing ring (33) is fixed to the connecting platform (35) by a clamp (36).
4. The device for preventing the leveling work roll from sticking to iron in a strip leveling line according to claim 3, characterized in that, The fixing ring also includes a protective layer, which is installed on the lower fixing ring (32) and the upper fixing ring (33).
5. The device for preventing the leveling work roll from sticking to iron in a strip leveling line according to claim 3, characterized in that, It also includes a rotating seat (6), which includes a fixed plate (61), a rotating plate (62) and a connecting plate (63). The fixed plate (61) is fixed on the inlet guide plate (1), the rotating plate (62) is connected to the fixed plate (61) through a rotating shaft, the lower part of the connecting plate (63) is installed on the rotating plate (62), and the upper part of the connecting plate (63) is fixed to the base (31).
6. The device for preventing the leveling work roll from sticking to iron in a strip leveling line according to claim 5, characterized in that, A ball bearing (64) is provided between the rotating plate (62) and the connecting plate (63).