Brush roller cleaning device of stainless steel production line and using method of brush roller cleaning device

Abstract

The invention discloses a brush roller cleaning device of a stainless steel production line and a using method thereof, and relates to the technical field of metal surface treatment. The brush roll cleaning device of the stainless steel production line comprises a supporting base, a power unit, a brushing unit, a roll changing unit and a positioning table, the power unit, the brushing unit, the roll changing unit and the positioning table are located above the supporting base, the roll changing unit is connected to the outer side of the brushing unit, and the brushing unit comprises a roll changing trolley drag chain and a roll changing trolley. According to the brush roller cleaning device of the stainless steel production line, a modular structure is adopted, all the units can be flexibly arranged along the supporting base, large-scale transformation of a traditional pickling line basic structure is not needed, the brush roller cleaning device is suitable for stainless steel bands of various specifications, and shutdown is not needed during specification switching; the roller replacing unit achieves mechanical replacement of the scrubbing roller through the roller replacing trolley and the lifting assembly, consumed time is short, compared with traditional manual hoisting, efficiency is greatly improved, and equipment failure rate control is low.

Description

Technical Field

[0001] This invention relates to the field of metal surface treatment technology, specifically to a brush roller cleaning device for a stainless steel production line and its usage method. Background Art

[0002] In the surface treatment process of stainless steel production lines, the brushing equipment in the pickling line is a key link in ensuring the surface quality of strip steel. While heavy-duty brushing machines have been gradually applied in the steel industry, they still have many technical shortcomings.

[0003] Traditional pickling lines are not designed with reserved installation space and technical interfaces for heavy-duty brushing equipment. Upgrading older lines requires large-scale structural modifications, resulting in high costs and long lead times. Furthermore, existing equipment is difficult to adapt to various stainless steel strip specifications, necessitating shutdowns for adjustments during specification changes, impacting production efficiency. Traditional brushing roller replacement relies on manual hoisting, leading to low efficiency and safety hazards, failing to meet continuous production requirements. Additionally, brushing roller pressure adjustment depends on manual experience, easily causing excessive wear or incomplete cleaning of the strip surface, making it difficult to maintain stable surface roughness control. Insufficient linkage control between the power unit, brushing unit, and positioning table results in surface quality fluctuations.

[0004] Existing stainless steel production line brush roller cleaning equipment is difficult to adapt to stainless steel strips of various specifications; brush roller replacement relies on manual hoisting, which is inefficient and poses safety hazards. Furthermore, the pressure adjustment of the brush roller depends on manual experience, which can easily lead to excessive wear or incomplete cleaning of the strip surface, making it difficult to maintain stable surface roughness control. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a brush roller cleaning device and its usage method for stainless steel production lines. It solves the problems of existing brush roller cleaning equipment being difficult to adapt to various specifications of stainless steel strips; brush roller replacement relying on manual hoisting, resulting in low efficiency and safety hazards; and brush roller pressure adjustment depending on manual experience, easily leading to excessive wear or incomplete cleaning of the strip surface, and difficulty in consistently controlling surface roughness. To achieve the above objectives, the present invention provides the following technical solution: a brush roller cleaning device for a stainless steel production line and its usage method, comprising a support base, a power unit, a brushing unit, a roller changing unit, and a positioning platform. The power unit, brushing unit, roller changing unit, and positioning platform are located above the support base. The roller changing unit is connected to the outside of the brushing unit. The brushing unit includes a roller changing trolley drag chain and a roller changing carriage. The roller changing carriage is connected to the top of the roller changing trolley drag chain. A lifting assembly is connected to the top of the roller changing carriage. A fixed platform is connected to the top of the lifting assembly. An adjusting frame is connected to the top of the fixed platform. A fixed frame is connected to the top of the adjusting frame. A brush roller to be replaced is placed on the fixed frame.

[0006] Preferably, the power unit includes a power platform, a power motor, a coupling, and a cable rack. The power platform is connected to the top of the support base, and one set of output ends of the power motor is connected to a shaft.

[0007] Preferably, a coupling protective sleeve is fitted on the outside of the coupling, one set of the coupling is connected to the outside of the output end of another set of power motors, the other set of the coupling is connected to the outside of the shaft, and the cable rack is connected to the top of the power platform.

[0008] Preferably, the scrubbing unit includes a support platform and a first mounting base, the support platform being connected to the top of the support base, and a sliding guide rod being connected to the top of the support platform.

[0009] Preferably, the bottom of the first mounting base is connected to a connecting seat, the connecting seat is sleeved on the outside of the sliding guide rod, and the outside of the first mounting base is connected to a lower reduction motor and an upper reduction motor.

[0010] Preferably, the lower geared motor output end is connected to a lower drive shaft, the upper geared motor output end is connected to an upper drive shaft on the outside, and the lower drive shaft and the upper drive shaft are inserted into the inner side of the first mounting base.

[0011] Preferably, a first bearing seat is inserted into the inner side of the first mounting base, a brush roller is inserted into the inner side of the first bearing seat, the brush roller is connected to a coupling, a chuck is sleeved on the outer side of the first bearing seat, a spraying device is connected to the outer side of the chuck, a clamping cylinder is inserted into the inner side of the chuck, the clamping cylinder is used to clamp the brush roller, a lifting cylinder is connected to the top of the chuck, the lifting cylinder is connected to the first mounting base, a support rod is connected to the inner side of the first mounting base, an upper cylinder and a lower cylinder are inserted into the inner side of the first mounting base, and the output ends of the upper cylinder and the lower cylinder are used to adjust the height of the two sets of brush rollers.

[0012] Preferably, a drive motor is connected to the bottom of the roller changing trolley, and a drive rod is connected to the output end of the drive motor. An adjustment wheel is provided on the adjustment frame, and the adjustment wheel is used to adjust the position of the adjustment frame and to adjust the installation of the washing roller to be replaced.

[0013] Preferably, the positioning platform is connected to the top of the support base. The positioning platform has two sets located on both sides of the support platform. A support beam is connected to the top of the positioning platform. A second mounting stand is connected to the top of the support beam. A second bearing seat is inserted into the inner side of the second mounting stand. A squeeze roller is inserted into the inner side of the second bearing seat. An adjusting cylinder is inserted into the top of the second mounting stand. The output end of the adjusting cylinder is connected to the second bearing seat. A connecting rod is connected to the inner side of the second mounting stand.

[0014] Preferably, a method of using a brush roller cleaning device for a stainless steel production line is characterized by comprising the following steps: S1. Pre-start preparation and parameter setting: Check the wear of the brush roller, the status of the spray device and the acid concentration. Input the stainless steel strip type, thickness and width on the touch screen. The system will automatically call the preset spray angle, brush roller pressure and spray volume parameters. S2. Cleaning operation start-up and operation: Start the "automatic mode" and turn on the acid circulation system, spray device, power motor and squeeze roller in sequence. After the strip enters the brushing unit, the system adjusts the brushing roller pressure through the upper and lower cylinders according to the real-time monitored surface roughness, acid concentration and strip speed, and simultaneously adjusts the spray flow and brush roller speed. S3. Brush roller replacement operation: When the brush roller wears more than 20%, start the "roller replacement mode". The roller replacement trolley moves to the installation position along the roller replacement trolley drag chain. The lifting component adjusts the height, transfers the old roller and installs the brush roller to be replaced. The clamping cylinder clamps the new roller. S4. Specification Switching and Parameter Adjustment: When switching strip width, input new parameters on the touch screen, and the system will complete the adaptive adjustment of the spraying area, brush roller pressure and squeeze roller position within 10 seconds; S5. Shutdown and Maintenance: After production is completed, turn on the clean water spray rinsing equipment, and routinely check the sealing of the squeeze roller, clean the sensor spray nozzle, and replace the filter screen of the acid circulation system.

[0015] Its beneficial effects are as follows: 1. The brush roller cleaning device and its usage method for the stainless steel production line. The device adopts a modular structure, and each unit can be flexibly arranged along the support base. There is no need for large-scale modification of the traditional pickling line basic structure. It is compatible with stainless steel strips of various specifications, and there is no need to stop the machine when switching specifications. 2. The brush roller cleaning device and its usage method for the stainless steel production line: The roller changing unit realizes the mechanized replacement of the brush roller through the roller changing trolley and lifting assembly, which is time-saving, significantly improves efficiency compared with traditional manual hoisting, and has a low equipment failure rate. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention 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 the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the positional structure of the washing unit and the squeezing unit in this invention; Figure 3 This is a schematic diagram of the power unit of the present invention; Figure 4 This is a schematic diagram of the brushing unit of the present invention; Figure 5 This is a side view of the brushing unit of the present invention. Figure 6 This is a schematic diagram of the roller changing unit of the present invention; Figure 7 This is a schematic diagram of the extrusion unit of the present invention.

[0018] In the diagram: 1. Support base; 2. Power unit; 21. Power platform; 22. Power motor; 221. Shaft; 23. Coupling; 231. Coupling protective sleeve; 24. Cable rack; 3. Brushing unit; 31. Support platform; 311. Sliding guide rod; 32. First mounting stand; 321. Connecting seat; 322. Lower geared motor; 3221. Lower drive shaft; 323. Upper geared motor; 3231. Upper drive shaft; 324. First bearing seat; 3241. Brushing roller; 3242. Chuck; 3243. Spraying device; 3244. Clamping cylinder; 3245, Lifting cylinder; 325, Support rod; 326, Upper cylinder; 327, Lower cylinder; 4, Roll changing unit; 41, Roll changing trolley chain; 42, Roll changing carriage; 421, Drive motor; 422, Drive rod; 423, Lifting assembly; 424, Fixed platform; 43, Adjusting frame; 431, Adjusting wheel; 432, Fixed frame; 433, Washing roller to be replaced; 5, Positioning platform; 51, Support beam; 52, Second mounting stand; 521, Second bearing seat; 522, Squeeze roller; 53, Adjusting cylinder; 54, Connecting rod. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0021] This invention discloses a brush roller cleaning device for a stainless steel production line and its usage method, according to the attached... Figure 1The system includes a support base 1, a power unit 2, a washing unit 3, a roller changing unit 4, and a positioning table 5. The power unit 2, the washing unit 3, the roller changing unit 4, and the positioning table 5 are all fixed above the support base 1. Each unit forms a collaborative operation system through mechanical connection and electrical linkage.

[0022] The device adopts a modular structure, and each unit can be flexibly arranged along the support base 1 without large-scale modification of the traditional pickling line foundation structure. It is compatible with various specifications of stainless steel strips, and no machine stoppage is required when switching specifications. The roller changing unit 4 realizes the mechanized replacement of the brushing roller 3241 through the roller changing trolley 42 and the lifting component 423. It is time-saving, significantly improves efficiency compared with traditional manual hoisting, and has a low equipment failure rate.

[0023] According to the appendix Figure 1-4 As shown, the power unit 2 further includes a power platform 21, a power motor 22, a coupling 23, and a cable rack 24. The power platform 21 is bolted to the top of the support base 1 and is used to support the power components. The power motor 22 is a 250kW variable frequency motor. One set of its output ends is keyed to a shaft 221, and the other set of output ends is connected to the brushing roller 3241 of the brushing unit 3 through the coupling 23. A coupling protective sleeve 231 is sleeved on the outside of the coupling 23 to prevent acid corrosion and mechanical damage. The cable rack 24 is welded to the top of the power platform 21 and is used to organize the power supply and control cables of the power motor 22.

[0024] According to the appendix Figures 1-4 As shown, the washing unit 3 further includes a support platform 31, a first mounting base 32, and a built-in spray and pressure adjustment assembly; the support platform 31 is fixed to the top of the support base 1, and two sliding guide rods 311 are arranged parallel to each other on its top; the bottom of the first mounting base 32 is sleeved on the outside of the sliding guide rods 311 through a connecting seat 321, and its position can be finely adjusted along the guide rods; a lower reduction motor 322 and an upper reduction motor 323 are bolted to the outside of the first mounting base 32, and their output ends are respectively keyed to a lower drive shaft 3221 and an upper drive shaft 3231, and the lower drive shaft 3221 and the upper drive shaft 3231 are both inserted into the inside of the first mounting base 32 for driving the washing roller 3241; According to the appendix Figures 1-5As shown, specifically disclosed, two sets of brush rollers 3241 are mounted on the inner side of the first mounting base 32 via the first bearing seat 324. The brush rollers 3241 are made of modified polyurethane composite bristles with a bristle density of 300 bristles / cm², a diameter of φ420mm, and a length adapted to the width of 800-1580mm strip steel. One end of the brush roller 3241 is keyed to the coupling 23, and the other end is positioned by the clamp 3242. A spray device 3243 is integrated on the outer side of the clamp 3242. The spray device 3243 includes multiple sets of adjustable spray nozzles with an angle of 0-60°, controlled in three zones (left, center, and right), with an external spray volume of 13.5L / min•100. The strip is mm wide and can be sprayed with 10% nitric acid in a directional manner. A clamping cylinder 3244 is inserted into the inside of the chuck 3242 to clamp the brush roller 3241 and prevent it from moving. A lifting cylinder 3245 is connected to the top of the chuck 3242. The other end of the lifting cylinder 3245 is fixed to the first mounting base 32 and is used to finely adjust the vertical position of the brush roller 3241. In addition, an upper cylinder 326 and a lower cylinder 327 are also inserted into the inside of the first mounting base 32. Their output ends are respectively connected to two sets of first bearing seats 324 to adjust the distance between the upper and lower brush rollers 3241 and achieve adaptive contact pressure control of 0.35-0.45MPa.

[0025] According to the appendix Figures 1-6 As shown, the roller changing unit 4 is connected to the outside of the washing unit 3 and includes a roller changing cart chain 41, a roller changing trolley 42, and an adjusting frame 43. The roller changing cart chain 41 is fixed to the top of the support base 1, and the roller changing trolley 42 is slidably connected to its top. A drive motor 421 is installed at the bottom of the roller changing trolley 42, and a drive rod 422 is keyed to the output end of the drive motor 421 for driving the trolley to move along the chain. A lifting assembly 423 is bolted to the top of the roller changing trolley 42. The lifting assembly 423 is a hydraulic lifting cylinder, and a fixed platform 424 is connected to its top. An adjusting frame 43 is welded to the top of the fixed platform 424. An adjusting wheel 431 is provided on the adjusting frame 43 for fine-tuning the horizontal position of the adjusting frame 43. A fixed frame 432 is welded to the top of the adjusting frame 43. The washing roller 433 to be replaced is placed on the fixed frame 432, which can realize the rapid transfer and installation of the washing roller 3241.

[0026] According to the appendix Figures 1-7As shown, it is particularly important to emphasize that the positioning platform 5 is fixed to the top of the support base 1, and two sets are provided, located on both sides of the support platform 31 respectively; a support beam 51 is welded to the top of the positioning platform 5, and a second mounting base 52 is bolted to the top of the support beam 51; a squeeze roller 522 is installed on the inner side of the second mounting base 52 through the second bearing seat 521. The squeeze roller 522 is made of Hypalon rubber, with a diameter of φ255mm and a length of 1800mm, and is used to remove residual acid from the surface of the strip steel; an adjusting cylinder 53 is inserted into the top of the second mounting base 52, and the output end of the adjusting cylinder 53 is connected to the second bearing seat 521 to adjust the height of the squeeze roller 522; a connecting rod 54 is welded to the inner side of the second mounting base 52 to enhance structural stability.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A brush roller cleaning device for a stainless steel production line, comprising a support base (1), a power unit (2), a brush washing unit (3), a roller changing unit (4), and a positioning table (5), wherein the power unit (2), the brush washing unit (3), the roller changing unit (4), and the positioning table (5) are respectively located above the support base (1), characterized in that, The roller changing unit (4) is connected to the outside of the washing unit (3). The washing unit (3) includes a roller changing cart chain (41) and a roller changing trolley (42). The roller changing trolley (42) is connected to the top of the roller changing cart chain (41). A lifting assembly (423) is connected to the top of the roller changing trolley (42). A fixed platform (424) is connected to the top of the lifting assembly (423). An adjusting frame (43) is connected to the top of the fixed platform (424). A fixed frame (432) is connected to the top of the adjusting frame (43). A washing roller (433) to be replaced is placed on the fixed frame (432).

2. The brush roller cleaning device for a stainless steel production line according to claim 1, characterized in that, The power unit (2) includes a power platform (21), a power motor (22), a coupling (23) and a cable rack (24). The power platform (21) is connected to the top of the support base (1), and one set of output ends of the power motor (22) is connected to a shaft (221).

3. The brush roller cleaning device for a stainless steel production line according to claim 2, characterized in that, The coupling (23) is fitted with a coupling protective sleeve (231) on the outside. One set of the coupling (23) is connected to the outside of the output end of another set of power motors (22), and the other set of the coupling (23) is connected to the outside of the shaft (221). The cable rack (24) is connected to the top of the power table (21).

4. The brush roller cleaning device for a stainless steel production line according to claim 2, characterized in that, The scrubbing unit (3) includes a support platform (31) and a first mounting base (32). The support platform (31) is connected to the top of the support base (1), and a sliding guide rod (311) is connected to the top of the support platform (31).

5. The brush roller cleaning device for a stainless steel production line according to claim 4, characterized in that, The bottom of the first mounting base (32) is connected to a connecting seat (321), which is sleeved on the outside of the sliding guide rod (311). The outside of the first mounting base (32) is connected to a lower reduction motor (322) and an upper reduction motor (323).

6. The brush roller cleaning device for a stainless steel production line according to claim 5, characterized in that, The lower gear motor (322) is connected to the lower drive shaft (3221) at its output end, and the upper gear motor (323) is connected to the upper drive shaft (3231) on the outside of its output end. The lower drive shaft (3221) and the upper drive shaft (3231) are inserted into the inner side of the first mounting base (32).

7. A brush roller cleaning device for a stainless steel production line according to claim 5, characterized in that, A first bearing seat (324) is inserted into the inner side of the first mounting base (32), and a brush roller (3241) is inserted into the inner side of the first bearing seat (324). The brush roller (3241) is connected to the coupling (23). A chuck (3242) is sleeved on the outer side of the first bearing seat (324), and a spray device (3243) is connected to the outer side of the chuck (3242). A clamping cylinder (3244) is inserted into the inner side of the chuck (3242). The clamping cylinder (3244) is used for... The clamping head (3242) is connected to the top of the brushing roller (3241), and the lifting cylinder (3245) is connected to the first mounting base (32). The first mounting base (32) is connected to the inner side of the support rod (325). The upper cylinder (326) and the lower cylinder (327) are inserted into the inner side of the first mounting base (32). The output ends of the upper cylinder (326) and the lower cylinder (327) are used to adjust the height of the two sets of brushing rollers (3241).

8. The brush roller cleaning device for a stainless steel production line according to claim 1, characterized in that, The bottom of the roller changing trolley (42) is connected to a drive motor (421), and the output end of the drive motor (421) is connected to a drive rod (422). An adjustment wheel (431) is provided on the adjustment frame (43). The adjustment wheel (431) is used to adjust the position of the adjustment frame (43) and to adjust the washing roller (433) to be replaced for installation.

9. A brush roller cleaning device for a stainless steel production line according to claim 1, characterized in that, The positioning platform (5) is connected to the top of the support base (1). The positioning platform (5) has two sets located on both sides of the support platform (31). The top of the positioning platform (5) is connected to the support beam (51). The top of the support beam (51) is connected to the second mounting stand (52). The second mounting stand (52) has a second bearing seat (521) inserted inside. The second bearing seat (521) has a squeeze roller (522) inserted inside. The top of the second mounting stand (52) has an adjusting cylinder (53) inserted. The output end of the adjusting cylinder (53) is connected to the second bearing seat (521). The second mounting stand (52) has a connecting rod (54) connected inside.

10. A method of using a brush roller cleaning device for a stainless steel production line according to any one of claims 1-9, characterized in that, Includes the following steps: S1. Pre-start preparation and parameter setting: Check the wear of the brush roller (3241), the status of the spray device (3243) and the acid concentration. Input the stainless steel strip type, thickness and width on the touch screen. The system will automatically call the preset spray angle, brush roller pressure and spray volume parameters. S2. Cleaning operation start-up and operation: Start "automatic mode", turn on the acid circulation system, spray device (3243), power motor (22) and squeeze roller (522) in sequence. After the strip enters the brush washing unit (3), the system adjusts the pressure of the brush washing roller (3241) through the upper cylinder (326) and lower cylinder (327) according to the real-time monitored surface roughness, acid concentration and strip speed, and adjusts the spray flow rate and brush roller speed simultaneously. S3. Brushing roller replacement operation: When the brushing roller (3241) is worn by more than 20%, start the "roller replacement mode". The roller replacement trolley (42) moves along the roller replacement trolley drag chain (41) to the installation position. The lifting component (423) adjusts the height, transfers the old roller and installs the brushing roller to be replaced (433). The clamping cylinder (3244) clamps the new roller. S4. Specification switching and parameter adjustment: When switching the strip width, input the new parameters on the touch screen, and the system will complete the adaptive adjustment of the spray area, brush roller pressure and squeeze roller (522) position within 10 seconds; S5. Shutdown and maintenance: After production is completed, turn on the clean water spray rinsing equipment, and check the sealing of the squeeze roller (522) on a daily basis, clean the sensor spray port and replace the filter screen of the acid circulation system.

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