Brush roll adjusting and limiting device for working roll of rolling mill
By designing the brush roller adjustment limit device on the rolling mill working roller, and using the hydraulic cylinder and disc spring limit mechanism, the problem of difficulty in controlling the contact force of the brush roller after the roll diameter of the roll is reduced, and the cleaning effect of the brush roller is improved and production quality.
Patent Information
- Application Number
- CN202420134466.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-19
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-01-19
AI Technical Summary
In the prior art, after the roll diameter of the rolling mill becomes smaller, it is difficult to control the contact force between the brush roller and the working roller, and the disc spring mechanism cannot be effectively limited, which affects the cleaning effect of the brush roller and leads to a decline in production quality.
A brush roller adjustment limit device is designed, including a rolling mill bracket, hydraulic cylinder, disc spring limit mechanism and swing arm. The brush roller is driven through the hydraulic cylinder, and the disc spring limit mechanism and swing arm are used to ensure that the brush roller is stopped accurately. , adjust the strength of the disc spring to control the contact force, and ensure the contact position between the brush roller and the working roller.
Accurate stopping and contact force control of the brush rollers is achieved, the cleaning effect of the working rollers is improved, and the production quality of rolled sheets is ensured.
Smart Images
Figure CN222198306U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rolling mill working rolls, in particular to a brush roller adjustment and limiting device for a rolling mill working roll. Background Art
[0002] At present, during the rolling process of the rolling mill, the rolling oil or the blank will inevitably carry debris, and the plate will also produce plate debris due to its extension during the rolling process, resulting in the presence of debris and plate debris on the roll surface of the working roll of the rolling mill, which will affect the cleanliness of the work roll surface and even damage the work roll surface, thereby affecting the production quality of the rolled plate; in order to ensure the cleanliness of the work roll surface and avoid affecting the production quality of the rolled plate, brush rollers are usually installed on both sides of the working roll to use the brush rollers to remove debris and plate debris on the roll surface of the working roll.
[0003] In the prior art, when using a brush roller to clean the debris and plate chips on the surface of the working roller, a hydraulic cylinder is generally used to drive the brush roller so that the brush roller contacts the working roller, and a disc spring mechanism is used to ensure that the brush roller stops accurately and contacts the roller surface of the working roller, while protecting the hydraulic cylinder. However, after the working roller has been used for a long time, the roller diameter of the working roller will gradually become smaller, making it inconvenient to control the size of the contact force between the brush roller and the roller surface of the working roller, and the disc spring mechanism cannot achieve the effect of limiting the brush roller, so that the brush roller cannot be ensured to stop accurately, and the hydraulic cylinder cannot be protected, thereby affecting the cleaning effect of the brush roller on the roller surface of the working roller. Summary of the invention
[0004] The utility model aims to solve the problems in the prior art that when the diameter of the working roll gradually becomes smaller, it is inconvenient to control the contact force between the brush roll and the roll surface of the working roll and the disc spring mechanism cannot achieve the limiting effect of the brush roll. A brush roll adjustment and limiting device for the working roll of a rolling mill is provided. The device is convenient for adjusting and limiting the brush roll to ensure that the brush roll is accurately stopped so that the brush roll contacts the roll surface of the working roll, and the contact force between the brush roll and the roll surface of the working roll can be effectively controlled to ensure that the brush roll can remove debris and plate debris on the roll surface of the working roll, thereby improving the production quality of the rolled plate.
[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a brush roller adjustment and limiting device for a rolling mill working roller, comprising a rolling mill support and a brush roller arranged on the rolling mill support, both ends of the brush roller are provided with bearing seats, a swing arm is arranged on the inner side of the rolling mill support, the swing arm is connected to the bearing seat, and a hydraulic cylinder corresponding to the bearing seat is arranged on the outer side of the brush roller, the piston rod of the hydraulic cylinder is connected to the bearing seat, and the brush roller can be driven to move in the direction of the working roller by the hydraulic cylinder.
[0006] A disc spring cylinder mounting seat is symmetrically arranged on the inner side of the rolling mill support, and a disc spring limiting mechanism is arranged on the disc spring cylinder mounting seat. The disc spring limiting mechanism includes a disc spring cylinder body, a lead screw and a disc spring. A pressure cover is arranged at one end of the disc spring cylinder body, and the lead screw is sleeved in the disc spring cylinder body, and both ends extend to the outside of the disc spring cylinder body. An earring is connected to one end of the lead screw, and the earring is hinged to the swing arm. A locking nut, a limiting nut and an adjusting nut are arranged in sequence from left to right on the other end of the lead screw. The disc spring is sleeved on the lead screw and is located inside the disc spring cylinder body. The disc spring limiting mechanism can adjust and limit the brush roller to ensure that the brush roller stops accurately, and at the same time protects the hydraulic cylinder.
[0007] Furthermore, a fixed shaft is fixedly arranged on the inner side of the rolling mill support, the swing arm is sleeved on the fixed shaft and is rotatably connected to the fixed shaft, and the swing arm cooperates with the fixed shaft to facilitate the brush roller to approach or move away from the working roller.
[0008] Furthermore, hinge shafts are provided on the upper and lower sides of the disc spring cylinder body, and the hinge shafts are rotatably connected to the disc spring cylinder mounting seat. Under the action of the hinge shafts, the disc spring cylinder body is easily installed on the disc spring cylinder mounting seat, and the disc spring limiting mechanism is also convenient for limiting the brush roller.
[0009] Furthermore, a positioning ring is also provided on the screw rod, and the positioning ring is located between the earring and the disc spring cylinder body, and the positioning ring plays a role in positioning the earring.
[0010] Furthermore, a gasket group is arranged between the pressure cover and the disc spring cylinder body, and the gasket group includes a plurality of gaskets, and the gaskets are sleeved on the pressure cover. Through the cooperation between the pressure cover and the gasket group, the strength of the disc spring can be adjusted.
[0011] Furthermore, a through hole matching the adjusting nut is provided on the pressure cover, the adjusting nut is slidably connected to the pressure cover, the adjusting nut is located between the limiting nut and the disc spring, one end of the adjusting nut extends through the through hole to the outside of the disc spring cylinder, and the adjusting nut can adjust the distance from the earring to the hinge shaft to ensure that the disc spring limiting mechanism plays a limiting role on the brush roller, so that the disc spring limiting mechanism can achieve the function of limiting the position of the brush roller.
[0012] Furthermore, the adjusting nut is sleeved with a copper sleeve, and the screw rod is also sleeved with a copper sleeve located on the right side of the disc spring.
[0013] Through the above technical solution, the beneficial effects of the utility model are:
[0014] The utility model can drive the brush roller to approach the working roller or to move away from the working roller through the hydraulic cylinder, so that the brush roller can contact the roller surface of the working roller. After the brush roller contacts the roller surface of the working roller, the sundries and plate debris on the roller surface of the working roller can be removed, so as to improve the production quality of the rolled plate. The disc spring limiting mechanism can adjust and limit the brush roller to ensure that the brush roller stops accurately. When the brush roller contacts the working roller, it plays a role of limiting the position of the brush roller, and can control the size of the contact force between the brush roller and the roller surface of the working roller, and at the same time it also plays a role of protecting the hydraulic cylinder.
[0015] The utility model can adjust the force of the disc spring located inside the disc spring cylinder body through the cooperation of the pressure cover and the gasket group; when the roller diameter of the working roller becomes smaller, the distance from the earring to the hinge shaft can be adjusted by rotating the adjusting nut to make the screw rod move axially, so that the distance between the two is increased, ensuring that the disc spring limiting mechanism can limit the brush roller, and ensure that the brush roller can be accurately stopped, and the position of the brush roller can be limited when the brush roller contacts the working roller; when the brush roller contacts the working roller, the limiting nut and the locking nut have a limiting and locking effect on the adjusting nut, so as to ensure that the disc spring limiting mechanism plays a role in limiting the position of the brush roller. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of a brush roller adjustment and limiting device for a working roller of a rolling mill according to the utility model;
[0017] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;
[0018] Figure 3 This is a schematic diagram of the structure of the disc spring limit mechanism of the utility model when the working roll has the maximum roll diameter Figure 1 ;
[0019] Figure 4 This is a schematic diagram of the structure of the disc spring limit mechanism of the utility model when the working roll has the maximum roll diameter Figure 2 ;
[0020] Figure 5 This is a schematic diagram of the structure of the disc spring limit mechanism of the utility model when the working roll has the maximum roll diameter Figure 3 ;
[0021] Figure 6 This is a schematic diagram of the structure of the disc spring limit mechanism when the working roll has the minimum roll diameter of the utility model. Figure 1 ;
[0022] Figure 7 This is a schematic diagram of the structure of the disc spring limit mechanism when the working roll has the minimum roll diameter of the utility model. Figure 2 ;
[0023] Figure 8This is a schematic diagram of the structure of the disc spring limit mechanism when the working roll has the minimum roll diameter of the utility model. Figure 3 .
[0024] The numbers in the accompanying drawings are: 1 is a brush roller, 2 is a bearing seat, 3 is a hydraulic cylinder, 4 is a swing arm, 5 is a disc spring cylinder mounting seat, 6 is a disc spring cylinder body, 7 is a hinge shaft, 8 is a pressure cover, 9 is a gasket set, 10 is a screw rod, 11 is an earring, 12 is a positioning ring, 13 is a locking nut, 14 is a limit nut, 15 is an adjusting nut, 16 is a copper sleeve, and 17 is a disc spring. DETAILED DESCRIPTION
[0025] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:
[0026] like Figures 1 to 8 As shown, a brush roller adjustment and limiting device for a rolling mill working roller comprises a rolling mill support and a brush roller 1 arranged on the rolling mill support, both ends of the brush roller 1 are provided with bearing seats 2, wherein the bearing seat 2 is installed inside the bearing seat 2 and the bearing matched with the shaft head of the brush roller 1, the inner side of the rolling mill support is provided with a swing arm 4, the swing arm 4 is connected to the bearing seat 2, the outer side of the brush roller 1 is provided with a hydraulic cylinder 3 corresponding to the bearing seat 2, the piston rod of the hydraulic cylinder 3 is connected to the bearing seat 2, in this embodiment, each brush roller 1 needs two hydraulic cylinders 3 to drive, the hydraulic cylinder 3 is installed on the hydraulic cylinder support plate, and the hydraulic cylinder support plate is fixed to the rolling mill support.
[0027] A disc spring cylinder mounting seat 5 is symmetrically arranged on the inner side of the rolling mill support, and a disc spring limiting mechanism is arranged on the disc spring cylinder mounting seat 5. The disc spring limiting mechanism includes a disc spring cylinder body 6, a screw rod 10 and a disc spring 17. A pressure cover 8 is arranged at one end of the disc spring cylinder body 6, and one end of the pressure cover 8 is sleeved on the disc spring cylinder body 6. The screw rod 10 is sleeved in the disc spring cylinder body 6, and both ends extend to the outside of the disc spring cylinder body 6. An earring 11 is connected to one end of the screw rod 10, and the earring 11 is threadedly connected to the right end of the screw rod 10. The earring 11 and the The swing arm 4 is hinged, wherein a hinge seat is installed on the swing arm 4, and the earring 11 is hinged to the hinge seat. The other end of the screw rod 10 is provided with a locking nut 13, a limit nut 14 and an adjusting nut 15 from left to right. The locking nut 13 and the limit nut 14 are both located outside the disc spring cylinder 6. The disc spring 17 is sleeved on the screw rod 10 and located inside the disc spring cylinder 6. When the brush roller 1 contacts the working roller, the adjusting nut 15 moves into the disc spring cylinder 6, and the adjusting nut 15 compresses the disc spring 17.
[0028] A fixed shaft is fixedly arranged on the inner side of the rolling mill support, and the swing arm 4 is sleeved on the fixed shaft and rotatably connected with the fixed shaft. Through the cooperation between the fixed shaft and the swing arm 4, the hydraulic cylinder 3 drives the brush roller 1 to approach or move away from the working roller.
[0029] The upper and lower sides of the disc spring cylinder body 6 are provided with hinge shafts 7, and the hinge shaft 7 is rotatably connected to the disc spring cylinder mounting seat 5. In this embodiment, a seat-type bearing is installed at the end of the disc spring mounting seat 5, and the hinge shaft 7 is interference fit with the inner ring of the seat-type bearing.
[0030] The screw rod 10 is also provided with a positioning ring 12 , which is located between the earring 11 and the disc spring cylinder 6 , and the positioning ring 12 plays a role in positioning the earring 11 .
[0031] A gasket group 9 is arranged between the pressure cover 8 and the disc spring cylinder body 6. The gasket group 9 includes a plurality of gaskets, which are sleeved on the pressure cover 8. In this embodiment, the thicknesses of the plurality of gaskets are different. Through the cooperation between the pressure cover 8 and the gasket group 9, the strength of the disc spring 17 located inside the disc spring cylinder body 6 can be adjusted. When the strength of the disc spring 17 needs to be adjusted, the gasket can be added or removed.
[0032] The pressure cover 8 is provided with a through hole matching the adjusting nut 15, and the adjusting nut 15 is slidably connected to the pressure cover 8. The adjusting nut 15 is located between the limit nut 14 and the disc spring 17. One end of the adjusting nut 15 extends through the through hole to the outside of the disc spring cylinder 6. The purpose is to facilitate the rotation of the adjusting nut 15 by a wrench to change the length of the right end of the screw rod 10 extending out of the disc spring cylinder 6 and change the distance between the earring 11 and the hinge shaft 7.
[0033] The adjusting nut 15 is sleeved with a copper sleeve 16, one end of which is sleeved inside the pressure cover 8. The screw rod 10 is also sleeved with a copper sleeve 16 located on the right side of the disc spring 17. In this embodiment, the right end of the disc spring cylinder body 6 is provided with an opening, wherein one end of the copper sleeve 16 sleeved on the screw rod 10 is located in the opening.
[0034] The working principle of the utility model is as follows: Figure 1-2 As shown, when the working roll is in working state, the hydraulic cylinder 3 is opened, and the piston rod of the hydraulic cylinder 3 drives the brush roller 1 to move toward the working roll through the bearing seat 2. When the brush roller 1 contacts the roll surface of the working roll, the hydraulic cylinder 3 is closed. During this process, the bearing seat 2 drives the swing arm to rotate, and the disc spring limit mechanism ensures that the brush roller stops accurately, limits the position of the brush roller 1, and protects the hydraulic cylinder 3.
[0035] When the working roll is at the maximum roll diameter and the working roll is in a non-working state, such as Figures 3-4 As shown in the figure, at this time, the screw rod 10, the locking nut 13, the limit nut 14 and the adjusting nut 15, and the disc spring 17 are all in the initial position; Figure 5 As shown, when the brush roller 1 is pressed against the working roller, the screw rod 10 moves to the right in the disc spring cylinder 6, and the adjusting nut 15 moves into the disc spring cylinder 6.
[0036] When the roll diameter of the working roll becomes smaller and the roll diameter of the working roll is the minimum roll diameter, Figure 6 to Figure 8 As shown, at this time, it is necessary to adjust the length of the right end of the screw rod 10 extending to the outside of the disc spring cylinder body 6, specifically, remove the locking nut 13 and the limit nut 14, and then use a wrench to clamp the end of the adjustment nut 15 located outside the disc spring cylinder body 6, and then rotate the adjustment 15 to drive the screw rod 10 to move outward. When the distance between the earring 11 and the hinge shaft 7 is adjusted to a suitable position, the limit nut 14 and the locking nut 13 are installed on the screw rod 10, as shown in FIG. Figure 6-7 The figure shows the state of the disc spring limit mechanism when the brush roller 1 is lifted. Figure 8 The figure shows the state of the disc spring limiting mechanism when the brush roller 1 is pressed against the roller surface of the working roller.
[0037] The embodiments described above are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, all equivalent changes or modifications made according to the technical solutions described in the patent scope of the utility model should be included in the scope of the patent application of the utility model.
Claims
1. A brush roller adjustment and limiting device for a rolling mill working roller, comprising a rolling mill support and a brush roller (1) arranged on the rolling mill support, characterized in that: Both ends of the brush roller (1) are provided with bearing seats (2); a swing arm (4) is provided on the inner side of the rolling mill support, the swing arm (4) is connected to the bearing seat (2); a hydraulic cylinder (3) corresponding to the bearing seat (2) is provided on the outer side of the brush roller (1), the piston rod of the hydraulic cylinder (3) is connected to the bearing seat (2); A disc spring cylinder mounting seat (5) is symmetrically arranged on the inner side of the rolling mill support. A disc spring limiting mechanism is arranged on the disc spring cylinder mounting seat (5). The disc spring limiting mechanism comprises a disc spring cylinder body (6), a screw rod (10) and a disc spring (17). A pressure cover (8) is arranged at one end of the disc spring cylinder body (6). The screw rod (10) is sleeved in the disc spring cylinder body (6) and both ends extend to the outside of the disc spring cylinder body (6). One end of the screw rod (10) is connected to an earring (11), and the earring (11) is hinged to the swing arm (4). The other end of the screw rod (10) is arranged with a locking nut (13), a limiting nut (14) and an adjusting nut (15) in sequence from left to right. The disc spring (17) is sleeved on the screw rod (10) and is located inside the disc spring cylinder body (6).
2. The brush roller adjustment and limiting device for a rolling mill working roller according to claim 1, characterized in that: A fixed shaft is fixedly arranged on the inner side of the rolling mill support, and the swing arm (4) is sleeved on the fixed shaft and is rotatably connected to the fixed shaft.
3. The brush roller adjustment and limiting device for a rolling mill working roller according to claim 1, characterized in that: A hinge shaft (7) is provided on both the upper and lower sides of the disc spring cylinder body (6), and the hinge shaft (7) is rotatably connected to the disc spring cylinder mounting seat (5).
4. The brush roller adjustment and limiting device for a rolling mill working roller according to claim 1, characterized in that: The screw rod (10) is also provided with a positioning ring (12), and the positioning ring (12) is located between the earring (11) and the disc spring cylinder body (6).
5. The brush roller adjustment and limiting device for a rolling mill working roller according to claim 1, characterized in that: A gasket group (9) is arranged between the gland (8) and the disc spring cylinder body (6), the gasket group (9) comprising a plurality of gaskets, and the gaskets are sleeved on the gland (8).
6. The brush roller adjustment and limiting device for a rolling mill working roller according to claim 5, characterized in that: The gland (8) is provided with a through hole matching the adjusting nut (15). The adjusting nut (15) is slidably connected to the gland (8). The adjusting nut (15) is located between the limiting nut (14) and the disc spring (17). One end of the adjusting nut (15) extends through the through hole to the outside of the disc spring cylinder (6).
7. The brush roller adjustment and limiting device for a rolling mill working roller according to claim 1, characterized in that: The adjusting nut (15) is sleeved with a copper sleeve (16), and the screw rod (10) is also sleeved with a copper sleeve (16) located on the right side of the disc spring (17).