A rolling mill roll cleaning device

Abstract

This invention provides a mill roll cleaning device, comprising a fixing plate and a fixing frame respectively fixed to the inner walls of both sides of the mill outer shell. A fan-shaped airbag is fixed to the outer wall of the fixing plate, and a first pressure plate and a second pressure plate are respectively fixed to the outer wall of the fan-shaped airbag. A first air valve is provided on the outer wall of the fan-shaped airbag. A first cylinder is fixed to the inner wall of the fixing frame, and a second air valve is provided on the outer wall of the first cylinder. A set of first arc-shaped rods and second arc-shaped rods are fixed to the outer wall of the fixing plate. Sliding blocks are slidably connected to the outer walls of the first arc-shaped rods and the second arc-shaped rods respectively. One side of the outer wall of the sliding block is fixed to the outer wall of the first pressure plate and the second pressure plate respectively. This invention enables the scraper to stably scrape off firmly adhered debris from the outer wall of the mill roll body, improving the cleaning effect of the cleaning device on firmly adhered debris on the outer wall of the mill roll body. At the same time, it can keep the surface of the mill roll body in a smooth state at all times without constantly spraying cleaning fluid.

Description

Technical Field

[0001] This invention relates to the field of rolling mill equipment technology, and in particular to a rolling mill roll cleaning device. Background Technology

[0002] Strip leveling is a cold rolling operation that achieves moderate elongation under traction. Rolling mills capable of leveling operations are incorporated into many strip processing lines. The surface of the rolls in leveling mills may be contaminated by adhesives that damage the surface quality of the strip. For example, in rolling mills installed in continuous galvanizing units, zinc particles easily adhere to the work rolls. Each time the rolls rotate, the particles can easily imprint onto the coating of the strip and deteriorate its surface quality. Therefore, a rolling mill roll cleaning device is needed to remove the metal blocks adhering to the rolling mill rolls.

[0003] A search revealed Chinese patent application CN202011572019.5, which discloses a mill roll cleaning device, including two mounting arms, a work roll body, and a mounting plate. The work roll body is rotatably connected between the opposite side walls of the two mounting arms. However, the above technical solution only cleans the debris adhering to the mill roll by spraying cleaning fluid. Some metal debris will be firmly attached to one side of the mill roll under the pressure of the mill roll and the steel strip. Therefore, there is a problem that rinsing with cleaning fluid alone cannot effectively remove the firmly adhered debris on the outer wall of the mill roll, resulting in poor cleaning effect of the mill roll. Summary of the Invention

[0004] In view of this, the present invention aims to provide a mill roll cleaning device to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial alternative.

[0005] The technical solution of this invention is implemented as follows: It includes a fixing plate and a fixing frame respectively fixed to the inner walls of both sides of the rolling mill outer shell. A fan-shaped airbag is fixed to the outer wall of the fixing plate, and a first pressure plate and a second pressure plate are respectively fixed to the outer wall of the fan-shaped airbag. A first air valve is provided on the outer wall of the fan-shaped airbag. A first cylinder is fixed to the inner wall of the fixing frame, and a second air valve is provided on the outer wall of the first cylinder. A set of first and second arc-shaped rods are fixed to the outer wall of the fixing plate. Sliding blocks are slidably connected to the outer walls of the first and second arc-shaped rods respectively. One side of the outer wall of the sliding block is fixed to the outer wall of the first and second pressure plates respectively. A set of guide plates is fixed to the outer walls of the first and second pressure plates respectively. A scraper is slidably connected to the outer wall of the guide plates. One side of the outer wall of the scraper is tightly attached to the outer wall of the rolling mill roll body. A push plate is fixed to the output shaft of the first cylinder. One side of the outer wall of the push plate is slidably connected to one side of the inner wall of the rolling mill outer shell. A liquid spraying mechanism is provided on one side of the outer wall of the push plate. The second air valve and the first air valve are connected through an air supply pipeline.

[0006] In some embodiments, a collection frame is fixed to the outer wall of the scraper, and a collection box is provided on the outer wall of the collection frame.

[0007] In some embodiments, the liquid mechanism includes a liquid storage box, a corrugated hose, a squeezing frame, a squeezing block, an elastic rubber head, a one-way valve, a guide plate, a support plate, and a spray head. The liquid storage box is fixed to one outer wall of the fixing frame. The corrugated hose is inserted into the bottom outer wall of the liquid storage box. The squeezing frame is fixed to one outer wall of the push plate. The guide plate is fixed to the inner walls of both sides of the mill housing. The elastic rubber head is fixed to the outer wall of the guide plate. The one-way valve is inserted into the input end of the elastic rubber head. The corrugated hose is connected to the one-way valve. The spray head is inserted into the output end of the elastic rubber head. The squeezing block is fixed to the outer wall of the elastic rubber head. The outer wall of the squeezing block is fixed to the outer wall of the squeezing frame. The support plate is fixed to one outer wall of the guide plate. The spray head is fixed to the inner wall of the support plate.

[0008] In some embodiments, a set of first elastic telescopic rods is fixed to the outer wall of the guide plate, and the telescopic ends of the first elastic telescopic rods are disposed on the bottom outer wall of the push plate.

[0009] In some embodiments, multiple limiting rods are fixed to the outer walls on both sides of the extrusion frame, and the limiting rods are slidably connected to the outer wall of the support plate.

[0010] In some embodiments, the outer wall of the second arc-shaped rod has multiple toothed grooves, the outer wall of the first pressure plate is fixed with a support frame, the inner wall of the support frame is rotatably connected with a rotating shaft, and gears are fixed on the outer walls of both sides of the rotating shaft, and the gears mesh with the outer wall of the second arc-shaped rod.

[0011] In some embodiments, a support base is fixed to the outer wall of the first pressure plate, and a rotating block is rotatably connected to the outer wall of the support base. The rotating block is connected to the rotating shaft via a transmission chain.

[0012] In some embodiments, mounting blocks are fixed at both ends of the scraper, and arc-shaped protrusions are fixed on the outer walls of the mounting blocks and the rotating blocks, respectively.

[0013] In some embodiments, a second elastic telescopic rod is fixed to the outer wall of the second pressure plate, and the telescopic end of the second elastic telescopic rod is fixed to the outer wall of the other side of the scraper.

[0014] In some embodiments, the outer wall of the fixed plate has a guide groove, the inner wall of the guide groove is slidably connected to a movable frame, the outer wall of the movable frame is rotatably connected to a rolling shaft, the bottom outer wall of the fixed plate is fixed with a second cylinder, the output shaft of the second cylinder passes through the bottom outer wall of the fixed plate, the output shaft of the second cylinder is fixed on the bottom outer wall of the movable frame, the outer wall of the fixed plate is fixed with a guide rod, and the movable frame is slidably connected to one side outer wall of the guide rod.

[0015] The embodiments of the present invention have the following advantages due to the adoption of the above technical solutions:

[0016] 1. As the fan-shaped airbag is continuously compressed, the supporting force it provides to the first and second pressure plates will continuously increase. This allows the scraper to continuously apply pressure to the fragments pressed against one side until the fragments are cut off from the outer wall of the mill roll body. While the fan-shaped airbag is being compressed, the gas inside the fan-shaped airbag will enter the first cylinder through the gas supply line. This prevents the gas pressure inside the fan-shaped airbag from becoming too high, while allowing the first cylinder to drive the spraying mechanism to spray cleaning fluid onto the contact surface between the mill roll body and the scraper. This softens the fragments adhering to the surface of the mill roll body, allowing the scraper to more quickly remove the fragments from the outer wall of the mill roll body. This improves the cleaning effect of the cleaning device on the firmly adhered fragments on the outer wall of the mill roll body, and at the same time, it can keep the surface of the mill roll body smooth at all times without constantly spraying cleaning fluid.

[0017] 2. When the scraper collides with the fragments firmly adhered to the outer wall of the mill roll body, as the mill roll body rotates forward, the scraper will be pushed downward by the fragments firmly adhered to the outer wall, guided by the first arc rod, the second arc rod, and the sliding block. This causes the first and second pressure plates to squeeze the fan-shaped airbag. At this time, the fan-shaped airbag can buffer the scraper with its own elasticity, avoiding a hard collision between the scraper and the firmly adhered fragments on the outer wall of the mill roll body, which would cause the mill to shake during operation, thereby improving the stability of the cleaning device during operation.

[0018] 3. After the scraper removes the debris stuck to the outer wall of the rolling mill roll body, the scraper will no longer be blocked by the debris. At this time, the push plate will move upward and reset under the elastic force of the first elastic telescopic rod. When the push plate moves upward, it will pull the extrusion block upward, thereby pulling the elastic rubber head to expand again. When the elastic rubber head expands, it will absorb the cleaning fluid inside the liquid storage box through the one-way valve and the corrugated hose, thereby refilling the cleaning fluid inside the elastic rubber head.

[0019] 4. When the arc-shaped protrusion on one side of the mounting block and the rotating block no longer contact each other as the rotating block rotates, the scraper will be pushed back by the elastic force of the second elastic telescopic rod. This allows the scraper to move back and forth under the push of the second elastic telescopic rod and the rotating block when cutting off the debris stuck to the outer wall of the rolling mill roll body. This allows the scraper to better cut the debris stuck to the surface of the rolling mill roll body and improve the cleaning effect of the scraper on the debris stuck to the outer wall of the rolling mill roll body.

[0020] 5. When the rolling mill roll body rotates to roll the passing steel strip, the scraper located on the outer wall of the rolling mill roll body will also slide on the surface of the rotating rolling mill roll body. At this time, the scraper can scrape off some loosely attached debris from the outer wall of the rolling mill roll body under the support of the fan-shaped air bag. After being scraped off by the scraper, these debris will be collected by the collection frame on one side of the scraper and finally enter the collection box for temporary storage under the guidance of the collection frame.

[0021] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a front view structural diagram of the present invention.

[0024] Figure 2 This is a side view of the present invention.

[0025] Figure 3 This is a structural diagram of the liquid storage box of the present invention.

[0026] Figure 4 This is a structural diagram of the fixing plate of the present invention.

[0027] Figure 5 This is a structural diagram of the first pressure plate of the present invention.

[0028] Figure 6 This is a structural diagram of the second arc-shaped rod of the present invention.

[0029] Figure 7 This is a structural diagram of Embodiment 2 of the present invention.

[0030] Figure label:

[0031] 1-Mill housing, 2-First elastic telescopic rod, 3-Guide plate, 4-First pressure plate, 5-Fan-shaped airbag, 6-First air valve, 7-Mill roll body, 8-Scraper, 9-Collection box, 10-Collection frame, 11-Fixing plate, 12-Second pressure plate, 13-Injection head, 14-Elastic rubber head, 15-Corrugated hose, 16-Reservoir box, 17-Push plate, 18-First cylinder, 19-Second air valve, 20-Extrusion block, 21-One-way valve, 22- - Extrusion frame, 23- Limiting rod, 24- Support plate, 25- Fixing frame, 26- Second elastic telescopic rod, 27- Guide plate, 28- First arc-shaped rod, 29- Mounting block, 30- Sliding block, 31- Support seat, 32- Rotating shaft, 33- Support frame, 34- Gear, 35- Second arc-shaped rod, 36- Rotating block, 37- Arc-shaped protrusion, 38- Rolling shaft, 39- Guide rod, 40- Movable frame, 41- Second cylinder, 42- Guide groove. Detailed Implementation

[0032] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0033] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0034] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Example 1:

[0035] like Figure 1-6 As shown, a mill roll cleaning device includes a fixing plate 11 and a fixing frame 25 respectively fixed to the inner walls of both sides of the mill outer shell 1. A fan-shaped air bag 5 is fixed to the outer wall of the fixing plate 11. A first pressure plate 4 and a second pressure plate 12 are respectively fixed to the outer wall of the fan-shaped air bag 5. A first air valve 6 is provided on the outer wall of the fan-shaped air bag 5. A first cylinder 18 is fixed to the inner wall of the fixing frame 25. A second air valve 19 is provided on the outer wall of the first cylinder 18.

[0036] A set of first arc-shaped rods 28 and second arc-shaped rods 35 are fixed to the outer wall of the fixed plate 11. Sliding blocks 30 are slidably connected to the outer walls of the first arc-shaped rods 28 and second arc-shaped rods 35 respectively. One side of the outer wall of the sliding block 30 is fixed to the outer wall of the first pressure plate 4 and the second pressure plate 12 respectively. A set of guide plates 27 are fixed to the outer walls of the first pressure plate 4 and the second pressure plate 12 respectively. A scraper 8 is slidably connected to the outer wall of the guide plate 27. One side of the outer wall of the scraper 8 is tightly attached to the outer wall of the mill roll body 7. A push plate 17 is fixed to the output shaft of the first cylinder 18. One side of the outer wall of the push plate 17 is slidably connected to the inner wall of one side of the mill outer shell 1. A liquid spraying mechanism is provided on one side of the outer wall of the push plate 17. The second air valve 19 and the first air valve 6 are connected through an air supply pipeline. A collection frame 10 is fixed to the outer wall of the scraper 8. A collection box 9 is provided on the outer wall of the collection frame 10.

[0037] When the mill roll body 7 rotates to roll the passing steel strip, the scraper 8 located on the outer wall of the mill roll body 7 will also slide on the surface of the rotating mill roll body 7. At this time, the scraper 8 can scrape off some loosely attached debris from the outer wall of the mill roll body 7 under the support of the fan-shaped air bag 5. After being scraped off by the scraper 8, these debris will be collected by the collection frame 10 on one side of the scraper 8, and finally enter the collection box 9 for temporary storage under the guidance of the collection frame 10.

[0038] When the scraper 8 collides with the fragments firmly adhered to the outer wall of the mill roll body 7, as the mill roll body 7 continues to rotate forward, the scraper 8 will be pushed downward by the fragments firmly adhered to the outer wall, guided by the first arc rod 28, the second arc rod 35 and the sliding block 30. This will cause the first pressure plate 4 and the second pressure plate 12 to squeeze the fan-shaped airbag 5. At this time, the fan-shaped airbag 5 can buffer the scraper 8 with its own elasticity, avoiding a hard collision between the scraper 8 and the fragments firmly adhered to the outer wall of the mill roll body 7, which would cause the mill to shake during operation, thereby improving the stability of the cleaning device during operation.

[0039] As the fan-shaped airbag 5 is continuously compressed, the supporting force it provides to the first pressure plate 4 and the second pressure plate 12 will continuously increase. This allows the scraper 8 to continuously apply pressure to the fragments pressed against one side until the fragments are cut off from the outer wall of the mill roll body 7 by the scraper 8. While the fan-shaped airbag 5 is being compressed, the gas inside the fan-shaped airbag 5 will enter the first cylinder 18 through the gas supply pipe. This prevents the gas pressure inside the fan-shaped airbag 5 from becoming too high, while allowing the first cylinder 18 to drive the spraying mechanism to spray cleaning fluid onto the contact surface between the mill roll body 7 and the scraper 8. This softens the fragments adhering to the surface of the mill roll body 7, allowing the scraper 8 to scrape the fragments off the outer wall of the mill roll body 7 more quickly. This improves the cleaning effect of the cleaning device on the firmly adhered fragments on the outer wall of the mill roll body 7. At the same time, it does not require constant spraying of cleaning fluid, thus keeping the surface of the mill roll body 7 in a smooth state at all times.

[0040] In this embodiment, as Figure 1-6As shown, the spraying mechanism includes a liquid storage box 16, a corrugated hose 15, a squeezing frame 22, a squeezing block 20, an elastic rubber head 14, a one-way valve 21, a guide plate 3, a support plate 24, and a spray head 13. The liquid storage box 16 is fixed to one side of the outer wall of the fixing frame 25. The corrugated hose 15 is respectively inserted into the bottom outer wall of the liquid storage box 16. The squeezing frame 22 is fixed to one side of the outer wall of the push plate 17. The guide plate 3 is fixed to the inner walls of both sides of the mill outer shell 1. The elastic head 14 is fixed to the outer wall of the guide plate 3. The one-way valve 21 is inserted into the input end of the elastic head 14. The corrugated hose 15 is connected to the one-way valve 21. The spray head 13 is inserted into the output end of the elastic head 14. The extrusion block 20 is fixed to the outer wall of the elastic head 14. The outer wall of the extrusion block 20 is fixed to the outer wall of the extrusion frame 22. The support plate 24 is fixed to one side of the outer wall of the guide plate 3. The spray head 13 is fixed to the inner wall of the support plate 24.

[0041] When the fan-shaped airbag 5 is pressurized and fills the first cylinder 18 with internal gas, the first cylinder 18 will push the push plate 17 and the extrusion frame 22 on one side of the push plate 17 to move downward, thereby extruding the extrusion block 20 on the outer wall of the elastic rubber head 14 through the extrusion frame 22. After being extruded, the extrusion block 20 will extrude the elastic rubber head 14 supported by the support plate 24, thereby squeezing the cleaning fluid that flows into the elastic rubber head 14 through the corrugated hose 15 and the one-way valve 21 into the spray head 13. The spray head 13 will then spray the cleaning fluid onto the contact area between the mill roll body 7 and the scraper 8.

[0042] In this embodiment, as Figure 2-6 As shown, a set of first elastic telescopic rods 2 are fixed on the outer wall of the guide plate 3. The telescopic end of the first elastic telescopic rod 2 is set on the bottom outer wall of the push plate 17. When the scraper 8 scrapes off the fragments stuck to the outer wall of the mill roll body 7, the scraper 8 will no longer be blocked by the fragments on the outer wall of the mill roll body 7. At this time, the push plate 17 will move upward and reset under the elastic force of the first elastic telescopic rod 2, thereby sending the gas inside the first cylinder 18 back to the fan-shaped air bag 5. After the fan-shaped air bag 5 re-inflates, it pushes the second pressure plate 12 and the first pressure plate 4 to move back and reset under the guidance of the second arc rod 35, the sliding block 30 and the first arc rod 28. At the same time, when the push plate 17 moves upward, it will pull the extrusion block 20 to move upward, thereby pulling the elastic rubber head 14 to re-inflate. When the elastic rubber head 14 expands, it will absorb the cleaning fluid inside the liquid storage box 16 through the one-way valve 21 and the corrugated hose 15, thereby refilling the cleaning fluid inside the elastic rubber head 14.

[0043] In this embodiment, as Figure 2-3As shown, multiple limiting rods 23 are fixed on the outer walls of both sides of the extrusion frame 22. The limiting rods 23 are slidably connected to the outer wall of the support plate 24. When the extrusion frame 22 moves up and down under the push of the push plate 17, it will drive the limiting rods 23 on the outer wall to slide up and down on the outer wall of the support plate 24, thereby guiding the extrusion frame 22 as a whole when it moves up and down.

[0044] In this embodiment: when the mill roll body 7 rotates to roll the passing steel strip, the scraper 8 located on the outer wall of the mill roll body 7 will also slide on the surface of the rotating mill roll body 7. At this time, the scraper 8 can scrape off some loosely attached debris from the outer wall of the mill roll body 7 under the support of the fan-shaped airbag 5. After being scraped off by the scraper 8, these debris will be collected by the collection frame 10 on one side of the scraper 8, and finally enter the collection box 9 for temporary storage under the guidance of the collection frame 10.

[0045] When the scraper 8 collides with the fragments firmly attached to the outer wall of the mill roll body 7, as the mill roll body 7 continues to rotate forward, the mill roll body 7 will push the scraper 8 to rotate downward under the guidance of the first arc rod 28, the second arc rod 35 and the sliding block 30 through the fragments firmly attached to the outer wall. This will squeeze the fan-shaped airbag 5 through the first pressure plate 4 and the second pressure plate 12. At this time, the fan-shaped airbag 5 can buffer the scraper 8 through its own elasticity.

[0046] As the fan-shaped airbag 5 is continuously compressed, the supporting force exerted by the fan-shaped airbag 5 on the first pressure plate 4 and the second pressure plate 12 will continuously increase, thereby allowing the scraper 8 to continuously apply pressure to the fragments pressed against one side until the fragments are cut off from the outer wall of the mill roll body 7 by the scraper 8. While the fan-shaped airbag 5 is being compressed, the gas inside the fan-shaped airbag 5 will enter the first cylinder 18 through the gas supply pipeline. While avoiding excessive air pressure inside the fan-shaped airbag 5, the first cylinder 18 can drive the liquid spraying mechanism to spray cleaning liquid onto the contact surface of the mill roll body 7 and the scraper 8, softening the fragments adhering to the surface of the mill roll body 7, so that the scraper 8 can scrape the fragments off the outer wall of the mill roll body 7 more quickly. Example 2:

[0047] A rolling mill roll cleaning device, this embodiment is based on embodiment 1 with the following improvements, such as... Figure 3-6 As shown, the outer wall of the second arc-shaped rod 35 has multiple toothed grooves, the outer wall of the first pressure plate 4 is fixed with a support frame 33, the inner wall of the support frame 33 is rotatably connected with a rotating shaft 32, and gears 34 are fixed on the outer walls of both sides of the rotating shaft 32 respectively. The gears 34 are meshed with the outer wall of the second arc-shaped rod 35.

[0048] The outer wall of the first pressure plate 4 is fixed with a support base 31, and a rotating block 36 is rotatably connected to the outer wall of the support base 31. The rotating block 36 is connected to the rotating shaft 32 through a transmission chain.

[0049] The scraper 8 is fixed with mounting blocks 29 at both ends, and arc-shaped protrusions 37 are fixed on the outer walls of the mounting blocks 29 and the rotating block 36, respectively.

[0050] The second pressure plate 12 has a second elastic telescopic rod 26 fixed to its outer wall, and the telescopic end of the second elastic telescopic rod 26 is fixed to the other side of the outer wall of the scraper 8.

[0051] When the first pressure plate 4 slides downward under the pressure of the scraper 8, it drives the gear 34, which is rotatably connected to the outer wall, to slide on the outer wall of the second arc-shaped rod 35. This causes the rotating shaft 32 to rotate as the first pressure plate 4 slides downward. When the rotating shaft 32 rotates, it drives the rotating block 36 to rotate through the transmission chain. This, in turn, pushes the scraper 8 forward through the arc-shaped protrusion 37 on the outer wall of the mounting block 29 and the rotating block 36 on opposite sides. When the scraper 8 moves forward, it presses the telescopic end of the second elastic telescopic rod 26 on the outer wall of the second pressure plate 12. When the arc-shaped protrusion 37 on one side of the mounting block 29 and the rotating block 36 no longer contacts as the rotating block 36 rotates, the scraper 8 will be pushed back by the elastic force of the second elastic telescopic rod 26. This allows the scraper 8 to move back and forth under the push of the second elastic telescopic rod 26 and the rotating block 36 when cutting off the debris stuck to the outer wall of the mill roll body 7. This allows the scraper 8 to better cut the debris stuck to the surface of the mill roll body 7 and improve the cleaning effect of the scraper 8 on the debris stuck to the outer wall of the mill roll body 7.

[0052] In this embodiment: when the first pressure plate 4 slides downward under the pressure of the scraper 8, it will drive the gear 34 connected to the outer wall to slide on the outer wall of the second arc-shaped rod 35, thereby driving the rotating shaft 32 to rotate when the first pressure plate 4 slides downward. When the rotating shaft 32 rotates, it will drive the rotating block 36 to rotate through the transmission chain, thereby pushing the scraper 8 forward through the arc-shaped protrusion 37 on the outer wall of the mounting block 29 and the rotating block 36 on opposite sides. When the scraper 8 moves forward, it will squeeze the telescopic end of the second elastic telescopic rod 26 on the outer wall of the second pressure plate 12. When the arc-shaped protrusion 37 on one side of the mounting block 29 and the rotating block 36 no longer contacts as the rotating block 36 rotates continuously, the scraper 8 will be pushed back under the elastic force of the second elastic telescopic rod 26, so that the scraper 8 can move back and forth under the push of the second elastic telescopic rod 26 and the rotating block 36 when cutting off the fragments stuck to the outer wall of the rolling mill roll body 7.

[0053] like Figure 7As shown, the outer wall of the fixed plate 11 has a guide groove 42, and a movable frame 40 is slidably connected to the inner wall of the guide groove 42. A rolling shaft 38 is rotatably connected to the outer wall of the movable frame 40. A second cylinder 41 is fixed to the bottom outer wall of the fixed plate 11. The output shaft of the second cylinder 41 passes through the bottom outer wall of the fixed plate 11 and is fixed to the bottom outer wall of the movable frame 40. A guide rod 39 is fixed to the outer wall of the fixed plate 11, and the movable frame 40 is slidably connected to one side of the outer wall of the guide rod 39. Rolling mills are typically used in high-temperature environments. At this point, the fan-shaped airbag 5 can be replaced with a structure consisting of a second cylinder 41, a movable frame 40, and a rolling shaft 38. When the first pressure plate 4 is pressed and rotates downward, it will squeeze the rolling shaft 38, thereby pushing the movable frame 40 connected to one side of the rolling shaft 38 to move downward and squeeze the second cylinder 41, allowing the gas inside the second cylinder 41 to enter the first cylinder 18 through the air supply pipeline. The second cylinder 41 can be used stably in a high-temperature environment, thereby improving the working stability of the cleaning device in a high-temperature environment.

[0054] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in the present invention, and these should all be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A mill roll cleaning device, comprising fixing plates (11) respectively fixed to the inner walls of both sides of a mill outer shell (1) and fixing frames (25) respectively fixed to the inner walls of both sides of the mill outer shell (1), characterized in that: A fan-shaped airbag (5) is fixed on the upper side of the fixed plate (11). A first pressure plate (4) and a second pressure plate (12) are fixed on the upper side of the two fan-shaped airbags (5). A first air valve (6) is provided on the outer wall of the fan-shaped airbag (5). A first cylinder (18) is fixed on the inner wall of the fixed frame (25). A second air valve (19) is provided on the outer wall of the first cylinder (18). A set of first arc rods (28) and second arc rods (35) are fixed on the upper side of the fixed plate (11). Sliding blocks (30) are slidably connected to the outer walls of the first arc rods (28) and the second arc rods (35). The outer wall of one side of the sliding block (30) is... The first pressure plate (4) and the second pressure plate (12) are respectively fixed on the outer walls. A set of guide plates (27) are fixed on the upper side of the first pressure plate (4) and the second pressure plate (12). A scraper (8) is slidably connected to the outer wall of the guide plate (27). The outer wall of one side of the scraper (8) is tightly attached to the outer wall of the mill roll body (7). The output shaft of the first cylinder (18) is fixed with a push plate (17). The outer wall of one side of the push plate (17) is slidably connected to the inner wall of one side of the mill shell (1). A liquid spraying mechanism is provided on the outer wall of one side of the push plate (17). The second air valve (19) and the first air valve (6) are connected by an air supply pipeline. The spraying mechanism includes a liquid storage box (16), a corrugated hose (15), a squeezing frame (22), a squeezing block (20), an elastic rubber head (14), a one-way valve (21), a guide plate (3), a support plate (24), and a spray head (13). The liquid storage box (16) is fixed to one side of the outer wall of the fixing frame (25). The corrugated hose (15) is inserted into the bottom outer wall of the liquid storage box (16). The squeezing frame (22) is fixed to one side of the outer wall of the push plate (17). The guide plate (3) is fixed to the inner walls of both sides of the mill housing (1). The rubber head (14) is fixed on the outer wall of the guide plate (3), the one-way valve (21) is inserted into the input end of the elastic rubber head (14), the corrugated hose (15) is connected to the one-way valve (21), the spray head (13) is inserted into the output end of the elastic rubber head (14), the extrusion block (20) is fixed on the outer wall of the elastic rubber head (14), the outer wall of the extrusion block (20) is fixed on the outer wall of the extrusion frame (22), the support plate (24) is fixed on one side of the outer wall of the guide plate (3), and the spray head (13) is fixed on the inner wall of the support plate (24). A set of first elastic telescopic rods (2) are fixed on the outer wall of the guide plate (3), and the telescopic end of the first elastic telescopic rods (2) is set on the bottom outer wall of the push plate (17); A second elastic telescopic rod (26) is fixed on the upper side of the second pressure plate (12), and the telescopic end of the second elastic telescopic rod (26) is fixed on the outer wall of the other side of the scraper (8); The outer wall of the second arc-shaped rod (35) has multiple toothed grooves. A support frame (33) is fixed on the upper side of the first pressure plate (4). A rotating shaft (32) is rotatably connected to the inner wall of the support frame (33). Gears (34) are fixed on the outer walls of both sides of the rotating shaft (32). The gears (34) mesh with the outer wall of the second arc-shaped rod (35). The outer wall of the first pressure plate (4) is fixed with a support base (31), and the outer wall of the support base (31) is rotatably connected with a rotating block (36). The rotating block (36) is connected to the rotating shaft (32) through a transmission chain. The scraper (8) has mounting blocks (29) fixed at both ends, and arc-shaped protrusions (37) are fixed on the outer walls of the mounting blocks (29) and the rotating block (36). When the first pressure plate (4) slides downward under the pressure of the scraper (8), it will drive the gear (34) connected to the outer wall to slide on the outer wall of the second arc-shaped rod (35), thereby driving the rotating shaft (32) to rotate when the first pressure plate (4) slides downward. When the rotating shaft (32) rotates, it will drive the rotating block (36) to rotate through the transmission chain, thereby pushing the scraper (8) forward through the arc-shaped protrusion (37) set on the outer wall of the opposite side of the mounting block (29) and the rotating block (36). When the scraper (8) moves forward, it will... The extension end of the second elastic telescopic rod (26) on the outer wall of the second pressure plate (12) is squeezed. When the arc-shaped protrusion (37) on one side of the mounting block (29) and the rotating block (36) no longer contacts as the rotating block (36) rotates continuously, the scraper (8) will be pushed back under the elastic force of the second elastic telescopic rod (26). Thus, when the scraper (8) cuts off the fragments stuck to the outer wall of the rolling mill roll body (7), it can move back and forth under the push of the second elastic telescopic rod (26) and the rotating block (36).

2. The mill roll cleaning device according to claim 1, characterized in that: A collection frame (10) is fixed to the outer wall of the scraper (8), and a collection box (9) is provided on the outer wall of the collection frame (10).

3. The mill roll cleaning device according to claim 1, characterized in that: Multiple limiting rods (23) are fixed on the outer walls of both sides of the extrusion frame (22), and the limiting rods (23) are slidably connected to the outer wall of the support plate (24).

Images