Hot rolling oil processing equipment capable of prolonging roller changing period

Abstract

The hot rolling oil processing equipment comprises a base, a hot rolling box is fixedly connected to the side wall of the top of the base, a rotating rod is rotationally connected to the middle of the side wall of the hot rolling box, and by arranging an electric push rod, a push plate, a first connecting rod, a cleaning ring and a cutter plate, dirt such as oil stains and dust remaining on a rotating roller can be cleaned away; the dirt can form grinding materials between the rotating roller and the strip steel, the dirt on the surface of the rotating roller is cleaned up, the grinding materials can be reduced, the abrasion speed of the rotating roller is reduced, abrasion of the rotating roller is reduced, the single-time steel rolling plan can be prolonged, and the rolling kilometers are increased, so that the roller replacing frequency is reduced, and the roller replacing period is prolonged. And accumulated dirt can cause the shape change of the rotating roller and influence the rolling precision, the shape stability of the rotating roller can be ensured by cleaning the surface of the rotating roller, the rolling precision is kept, and the product quality is further improved.

Description

Technical Field

[0001] This utility model belongs to the field of hot rolling mill technology, specifically hot rolling oil processing equipment that improves the roll changing cycle. Background Technology

[0002] Hot rolling mills are crucial equipment in the metal processing industry, altering the shape and properties of metal billets through heating and continuous rolling. During hot rolling, the metal billet is preheated in a furnace until it reaches a certain level of plasticity and reduced resistance to deformation, before being fed into the hot rolling mill for rolling, thus changing the shape and size of the billet. Hot rolling oil is a fluid system that provides necessary lubrication and cooling for the hot rolling mill. It not only reduces friction between the rolls and the metal billet, lowering rolling force, but also effectively cools both the rolls and the metal billet, preventing deformation or damage due to high temperatures.

[0003] Through long-term use and observation, it was found that during the hot rolling mill process of hot rolling oil-coated metal billets, frequent replacement of guide rollers would interrupt the continuous production process of the hot rolling mill and affect the overall operating efficiency of the production line.

[0004] Therefore, this utility model provides a hot rolling oil processing equipment to improve the roll changing cycle. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art and solve at least one of the problems mentioned in the background art, a hot rolling oil processing equipment for improving the roll changing cycle is proposed.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The hot rolling oil processing equipment for improving the roll changing cycle of this utility model includes a base, a hot rolling box fixedly connected to the top side wall of the base, a rotating rod rotatably connected to the middle of the side wall of the hot rolling box, multiple rotating rods arranged in a linear array on the side wall of the hot rolling box, a rotating roller assembled in the middle of the side wall of the rotating rod, multiple infusion pipes fixedly connected to the middle of the side wall of the hot rolling box, an adjusting component provided in the middle of the side wall of the infusion pipes, an electric push rod fixedly connected to the top side wall of the hot rolling box, a push plate fixedly connected to the output end of the electric push rod, a disassembly component provided in the middle of the side wall of the push plate, the disassembly component connected to multiple first connecting rods, and a cleaning ring fixedly connected to the other end of the first connecting rod. The cleaning ring is installed outside the rotating roll, and multiple blades are fixed to the middle of the inner wall of the cleaning ring. This step, by setting up an electric push rod, a push plate, a first connecting rod, a cleaning ring, and blades, can remove oil stains, dust, and other dirt remaining on the rotating roll. This dirt will form abrasive between the rotating roll and the strip steel. Cleaning the dirt on the surface of the rotating roll can reduce the presence of abrasive and reduce the wear rate of the rotating roll. Because the wear of the rotating roll is reduced, its single rolling plan can be extended, the rolling mileage can be increased, thereby reducing the number of roll changes and improving the roll change cycle. Moreover, the accumulation of dirt will cause the shape of the rotating roll to change, affecting the rolling accuracy. Cleaning the surface of the rotating roll can ensure its shape stability, maintain rolling accuracy, and thus improve product quality.

[0007] Preferably, a slot is provided in the middle of the side wall of the hot rolling box, and a motor is fixedly connected to the middle of the inner side wall of the slot. A fan blade is fixedly connected to the output end of the motor. There are multiple fan blades, which are arranged in a circular array at the output end of the motor. This step, by setting the slot, motor and fan blades, can quickly reduce the temperature of the rotating roller and restore it to normal temperature as soon as possible. This helps to reduce the thermal stress generated by the rotating roller due to high temperature, prevent thermal deformation and cracking, and reduce the wear and aging rate of the rotating roller, reduce the occurrence of thermal fatigue damage. Therefore, it can reduce the frequency of roller changing, extend the roller changing cycle, maintain the continuity and stability of production, and improve product quality and production efficiency.

[0008] Preferably, the adjusting component includes multiple movable balls, which are rotatably connected to the infusion tube. A baffle is fixed to the middle of the side wall of each movable ball, and the multiple baffles cover the outside of the infusion tube. By setting the movable balls and baffles, this step can flexibly adjust the direction of the emulsion sprayed by the infusion tube, so that the emulsion can cover the surface of the rotating roller more evenly, forming a thin oil film on the rotating roller. This reduces the friction between the rotating roller and the workpiece. Furthermore, uniform lubrication of the rotating roller not only helps to reduce the rolling force, but also improves the surface finish and precision of the workpiece, and extends the service life of the rotating roller.

[0009] Preferably, the disassembly assembly includes multiple second connecting rods, which are slidably coupled to the push plate. The second connecting rods and the first connecting rod are correspondingly arranged. A rubber sleeve is fixed to the end of each second connecting rod. The rubber sleeve is made of elastic material and slides inside the first connecting rod. The rubber sleeve and the first connecting rod are interference-fitted. A slot is provided in the middle of the side wall of the cleaning ring. A limit rod slides in the middle of the inner side wall of the slot. This step connects or disconnects the first connecting rod and the second connecting rod by setting the second connecting rod, the rubber sleeve, the slot, and the limit rod. It can be stored separately when the rotating roller does not need to be cleaned, which not only saves working space but also makes it easier for workers to clean the disassembly assembly.

[0010] Preferably, a plurality of first magnetic blocks are fixedly connected to the middle of the inner sidewall of the hot rolling box, and a second magnetic block is fixedly connected to the middle of the sidewall of the cleaning ring. The first magnetic blocks and the second magnetic blocks are arranged correspondingly. This step, by setting the first magnetic blocks and the second magnetic blocks, can ensure that the cleaning ring will not affect the rotating roller when the rotating roller is working, and reduce the situation where the rotating roller is not rotating smoothly or vibrates due to interference between the cleaning ring and the rotating roller, thereby affecting the stability of the rolling process and the quality of the rolled product.

[0011] Preferably, a sludge collection box is slidably fitted on the inner side wall of the bottom of the base, and a handle is fixedly connected to the middle of the side wall of the sludge collection box. This step, by setting up a sludge collection box and a handle, can ensure that pollutants after cleaning are effectively collected, avoiding them from scattering in the work area and causing environmental pollution and safety hazards.

[0012] Preferably, a limiting seat is slidably fitted in the middle of the sidewall of a plurality of second connecting rods. The limiting seat is located outside the hot rolling box. By setting the limiting seat, this step can ensure that when the blades are kept on the same horizontal line, they can make more uniform contact with the surface of the rotating roll, thereby more effectively removing contaminants on the rotating roll. Moreover, the blades being on the same horizontal line can ensure that they are subjected to uniform force, reduce wear caused by improper contact between the blades and the rotating roll, extend service life, and further improve the roll changing cycle.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The hot rolling oil processing equipment for improving roll changing cycle described in this utility model, by setting up an electric push rod, push plate, first connecting rod, cleaning ring and cutter plate, can clean away oil stains, dust and other dirt remaining on the rotating roll. This dirt will form abrasive between the rotating roll and the strip steel. Cleaning the dirt on the surface of the rotating roll can reduce the presence of abrasive and reduce the wear rate of the rotating roll. Because the wear of the rotating roll is reduced, its single rolling plan can be extended and the rolling mileage can be increased, thereby reducing the number of roll changes and improving the roll changing cycle. Moreover, the accumulation of dirt will cause the shape of the rotating roll to change, affecting the rolling accuracy. Cleaning the surface of the rotating roll can ensure its shape stability, maintain rolling accuracy, and thus improve product quality.

[0015] 2. The hot rolling oil processing equipment for improving the roll changing cycle described in this utility model can quickly reduce the temperature of the rotating roll by setting up a groove, a motor, and fan blades, allowing it to return to normal temperature as soon as possible. This helps to reduce the thermal stress generated by the rotating roll due to high temperature, prevent thermal deformation and cracking, and reduce the wear and aging rate of the rotating roll, thus reducing the occurrence of thermal fatigue damage. Therefore, it can reduce the frequency of roll changing, extend the roll changing cycle, maintain the continuity and stability of production, and improve product quality and production efficiency. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is a schematic diagram of the cooperation structure between the limiting seat and the connecting rod in this utility model;

[0019] Figure 3 This is a schematic diagram of the cooperation structure between the infusion tube and the baffle in this utility model;

[0020] Figure 4 This is a schematic diagram of the cooperation structure between the limiting rod and the cleaning ring in this utility model;

[0021] Figure 5 This is a schematic diagram of the cooperation structure between the cleaning ring and the blade in this utility model;

[0022] Figure 6 yes Figure 3 Enlarged view of a portion of point A in the middle.

[0023] Legend:

[0024] 1. Base; 11. Hot rolling box; 12. Rotating rod; 13. Rotating roller; 14. Infusion tube; 15. Electric actuator; 16. Push plate; 17. First connecting rod; 18. Cleaning ring; 19. Blade; 2. Groove; 21. Motor; 22. Fan blade; 3. Moving ball; 31. Baffle; 4. Second connecting rod; 41. Rubber sleeve; 42. Groove; 43. Limiting rod; 5. First magnetic block; 51. Second magnetic block; 6. Sludge collection box; 61. Handle; 7. Limiting seat. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Specific implementation examples are given below.

[0027] like Figures 1 to 5As shown, the hot rolling oil processing equipment for improving the roll changing cycle according to this utility model embodiment includes a base 1. A hot rolling box 11 is fixedly connected to the top side wall of the base 1. A rotating rod 12 is rotatably connected to the middle of the side wall of the hot rolling box 11. There are multiple rotating rods 12 arranged in a linear array on the side wall of the hot rolling box 11. A rotating roller 13 is assembled in the middle of the side wall of the rotating rod 12. Multiple liquid delivery pipes 14 are fixedly connected to the middle of the side wall of the hot rolling box 11. An adjustment component is provided in the middle of the side wall of the liquid delivery pipes 14. An electric push rod 15 is fixedly connected to the top side wall of the hot rolling box 11. A push plate 16 is fixedly connected to the output end of the electric push rod 15. A disassembly component is provided in the middle of the side wall of the push plate 16. The disassembly component is connected to multiple... The first connecting rod 17 has a cleaning ring 18 fixedly connected to its other end. The cleaning ring 18 covers the outside of the rotating roller 13. Multiple blades 19 are fixedly connected to the middle of the inner wall of the cleaning ring 18. During operation, the operator injects the emulsion obtained by thoroughly mixing hot rolling oil and water into the infusion pipe 14. With the assistance of the adjusting component, the emulsion inside the infusion pipe 14 is sprayed onto the surface of the rotating roller 13 to lubricate it. After the hot rolling mill finishes operation, the operator places multiple cleaning rings 18 on the middle of the rotating roller 13 and connects the first connecting rod 17 and the disassembly component together. Then, the electric push rod 15 is activated. 5 will drive the push plate 16 to move, causing the push plate 16 to push the first connecting rod 17 to move, so that the cleaning ring 18 moves on the rotating roller 13. At this time, the multiple blades 19 fixed to the inner wall of the cleaning ring 18 will move on the rotating roller 13 as the cleaning ring 18 moves. During the movement of the blades 19, the dirt formed on the surface of the rotating roller 13 will be scraped off, cleaning the rotating roller 13. After the cleaning operation is completed, the electric push rod 15 is controlled to pull the push plate 16, so that the cleaning ring 18 returns to its original position. Then, the disassembly assembly is used to separate the push plate 16 from the first connecting rod 17. This step is achieved by setting up the electric push rod 15, the push plate 16, and the first connecting rod. 17. The cleaning ring 18 and the blade 19 can remove oil stains, dust and other dirt remaining on the rotating roll 13. This dirt will form abrasive between the rotating roll 13 and the strip steel. Cleaning the dirt on the surface of the rotating roll 13 can reduce the presence of abrasive and reduce the wear rate of the rotating roll 13. Because the wear of the rotating roll 13 is reduced, its single rolling plan can be extended and the rolling mileage can be increased, thereby reducing the number of roll changes and improving the roll change cycle. Moreover, the accumulation of dirt will cause the shape of the rotating roll 13 to change, affecting the rolling accuracy. Cleaning the surface of the rotating roll 13 can ensure its shape stability, maintain rolling accuracy, and thus improve product quality.

[0028] like Figure 2 and Figure 3As shown, a slot 2 is provided in the middle of the side wall of the hot rolling mill 11. A motor 21 is fixedly connected to the middle of the inner side wall of the slot 2. A fan blade 22 is fixedly connected to the output end of the motor 21. There are multiple fan blades 22, which are arranged in a circular array at the output end of the motor 21. During operation, after the hot rolling mill finishes its work, the operator starts the motor 21. The motor 21 will rotate the multiple fan blades 22. At this time, the airflow brought by the fan blades 22 will dissipate heat and cool down the rotating roller 13. This step, by setting up the slot 2, the motor 21 and the fan blades 22, can quickly reduce the temperature of the rotating roller 13 and restore it to normal temperature as soon as possible. This helps to reduce the thermal stress generated by the high temperature of the rotating roller 13, prevent thermal deformation and cracks, and reduce the wear and aging rate of the rotating roller 13, reduce the occurrence of thermal fatigue damage. Therefore, it can reduce the frequency of roller changing, extend the roller changing cycle, maintain the continuity and stability of production, and improve product quality and production efficiency.

[0029] like Figure 2 , Figure 3 and Figure 6 As shown, the adjustment assembly includes multiple movable balls 3, which are rotatably connected to the infusion tube 14. A baffle 31 is fixed to the middle of the side wall of the movable ball 3. Multiple baffles 31 are installed on the outside of the infusion tube 14. During operation, the operator rotates the multiple baffles 31. At this time, the baffles 31 will rotate the movable balls 3 on the side wall of the infusion tube 14, so that the emulsion sprayed from the infusion tube 14 can be evenly sprayed on the surface of the rotating roller 13 as the direction of the baffles 31 is adjusted. This step, by setting the movable balls 3 and the baffles 31, can flexibly adjust the direction of the emulsion sprayed by the infusion tube 14, so that the emulsion can be more evenly covered on the surface of the rotating roller 13, forming a thin oil film on the rotating roller 13. This reduces the friction between the rotating roller 13 and the workpiece. Furthermore, the uniform lubrication of the rotating roller 13 not only helps to reduce the rolling force, but also improves the surface finish and precision of the workpiece, and extends the service life of the rotating roller 13.

[0030] like Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the disassembly assembly includes multiple second connecting rods 4, which are slidably fitted with the push plate 16. The second connecting rods 4 and the first connecting rod 17 are correspondingly arranged. A rubber sleeve 41 is fixed to the end of each second connecting rod 4. The rubber sleeve 41 is made of elastic material and slides inside the first connecting rod 17. The rubber sleeve 41 and the first connecting rod 17 are interference-fitted. A slot 42 is provided in the middle of the side wall of the cleaning ring 18. A limit rod 43 is slidably fitted in the middle of the inner side wall of the slot 42. During operation, when cleaning the rotating roller 13 is required, the operator first inserts the limit rod 43 into the slot 42 to restrict the position of the cleaning ring 18, and then... The connecting rod 4 is inserted into the push plate 16, and multiple rubber sleeves 41 are respectively inserted into the first connecting rod 17. At this time, the push plate 16, the second connecting rod 4, the rubber sleeves 41, the first connecting rod 17, the cleaning ring 18, and the limiting rod 43 are connected into a whole. Then, the cleaning ring 18 and the blade plate 19 can be moved to clean the rotating roller 13. This step achieves the connection or disconnection of the first connecting rod 17 and the second connecting rod 4 by setting the second connecting rod 4, the rubber sleeves 41, the slot 42, and the limiting rod 43. When it is not necessary to clean the rotating roller 13, it can be stored separately, which not only saves working space, but also makes it easier for workers to clean the disassembled components.

[0031] like Figure 1 and Figure 5 As shown, a plurality of first magnetic blocks 5 are fixedly connected to the middle of the inner sidewall of the hot rolling box 11, and a second magnetic block 51 is fixedly connected to the middle of the sidewall of the cleaning ring 18. The first magnetic blocks 5 and the second magnetic blocks 51 are arranged correspondingly. During operation, when the rotating roller 13 is in working state, the sidewall of the cleaning ring 18 and the inner sidewall of the hot rolling box 11 will be tightly attracted together by the first magnetic blocks 5 and the second magnetic blocks 51. By setting the first magnetic blocks 5 and the second magnetic blocks 51, this step can ensure that the cleaning ring 18 will not affect the rotating roller 13 when the rotating roller 13 is working, and reduce the situation where the rotating roller 13 is not rotating smoothly or vibrates due to interference between the cleaning ring 18 and the rotating roller 13, thereby affecting the stability of the rolling process and the quality of the rolled product.

[0032] like Figure 1 , Figure 3 and Figure 4 As shown, a sludge collection box 6 is slidably fitted on the inner side wall of the bottom of the base 1, and a handle 61 is fixedly connected to the middle of the side wall of the sludge collection box 6. By setting up the sludge collection box 6 and the handle 61, this step can ensure that the pollutants after cleaning are effectively collected, and prevent them from scattering in the work area, causing environmental pollution and safety hazards.

[0033] like Figure 1 and Figure 2As shown, multiple second connecting rods 4 are slidably fitted with limiting seats 7 in the middle of their side walls. The limiting seats 7 are located outside the hot rolling box 11. During operation, when the operator connects the second connecting rods 4 and the rubber sleeve 41 to the first connecting rod 17, the multiple second connecting rods 4 are first passed through the inside of the limiting seats 7 so that the second connecting rods 4 can always be kept on the same horizontal line. This step, by setting the limiting seats 7, ensures that when the blades 19 are kept on the same horizontal line, they can make more uniform contact with the surface of the rotating roller 13, thereby more effectively removing contaminants from the rotating roller 13. Moreover, the blades 19 being on the same horizontal line ensures that they are subjected to uniform force, reduces wear caused by improper contact between the blades 19 and the rotating roller 13, extends service life, and further improves the roller changing cycle.

[0034] Working principle: The operator injects the emulsion obtained by thoroughly mixing hot rolling oil and water into the infusion pipe 14. With the assistance of the adjusting component, the emulsion inside the infusion pipe 14 is sprayed onto the surface of the rotating roller 13 to lubricate it. After the hot rolling mill finishes its work, the operator places multiple cleaning rings 18 onto the middle of the rotating roller 13 and connects the first connecting rod 17 to the disassembly component. Then, the electric push rod 15 is activated, which drives the push plate 16 to move. The push plate 16 then pushes the first connecting rod 17, causing the cleaning rings 18 to move on the rotating roller 13. The cleaning ring 18 moves along with the rotating roller 13. During this movement, multiple blades 19 fixed to the inner wall of the cleaning ring 18 move on the rotating roller 13, scraping away dirt from the surface of the rotating roller 13 and cleaning it. After cleaning, the electric actuator 15 pulls the push plate 16 to return the cleaning ring 18 to its original position. Then, the disassembly assembly is used to detach the push plate 16 from the first connecting rod 17. After the hot rolling mill finishes operation, the operator starts the motor 21, which drives multiple fan blades 22 to rotate. The air generated by the fan blades 22... The flow will dissipate heat and cool the rotating roller 13. The operator rotates multiple baffles 31, which, along with the movable ball 3, rotate on the side wall of the infusion tube 14. This allows the emulsion sprayed from the infusion tube 14 to be evenly sprayed onto the surface of the rotating roller 13 as the direction of the baffles 31 is adjusted. When cleaning the rotating roller 13 is required, the operator first inserts the limiting rod 43 into the corresponding slot 42 to restrict the position of the cleaning ring 18. Then, multiple second connecting rods 4 are inserted into the push plate 16, and multiple rubber sleeves 41 are respectively inserted into the corresponding first connecting rods 17. At this time, the push plate 16... 6. The second connecting rod 4, rubber sleeve 41, first connecting rod 17, cleaning ring 18 and limiting rod 43 are connected as a whole. Then the cleaning ring 18 and the blade 19 can be moved to clean the rotating roller 13. When the rotating roller 13 is in working state, the side wall of the cleaning ring 18 and the inner side wall of the hot rolling box 11 will be tightly attracted together by the first magnetic block 5 and the second magnetic block 51. When the operator connects the second connecting rod 4 and rubber sleeve 41 to the first connecting rod 17, multiple second connecting rods 4 are first passed through the inside of the limiting seat 7 so that the second connecting rods 4 can always be kept on the same horizontal line.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A hot rolling mill for improving the roll changing cycle, comprising a base (1), characterized in that: A hot rolling mill (11) is fixedly connected to the top side wall of the base (1). A rotating rod (12) is rotatably connected to the middle of the side wall of the hot rolling mill (11). There are multiple rotating rods (12) arranged in a linear array on the side wall of the hot rolling mill (11). A rotating roller (13) is assembled in the middle of the side wall of the rotating rod (12). Multiple infusion tubes (14) are fixedly connected to the middle of the side wall of the hot rolling mill (11). An adjustment component is provided in the middle of the side wall of the infusion tubes (14). An electric push rod (15) is fixedly connected to the top side wall of the box (11). A push plate (16) is fixedly connected to the output end of the electric push rod (15). A disassembly assembly is provided in the middle of the side wall of the push plate (16). The disassembly assembly is connected to a plurality of first connecting rods (17). A cleaning ring (18) is fixedly connected to the other end of the first connecting rod (17). The cleaning ring (18) covers the outside of the rotating roller (13). A plurality of blades (19) are fixedly connected to the middle of the inner side wall of the cleaning ring (18).

2. The hot rolling oil processing equipment for improving roll changing cycle according to claim 1, characterized in that: The hot rolling box (11) has a slot (2) in the middle of its side wall. A motor (21) is fixedly connected to the middle of the inner side wall of the slot (2). A fan blade (22) is fixedly connected to the output end of the motor (21). There are multiple fan blades (22) and they are arranged in a circular array at the output end of the motor (21).

3. The hot rolling oil processing equipment for improving roll changing cycle according to claim 1, characterized in that: The adjustment assembly includes multiple movable balls (3), which are rotatably connected to the infusion tube (14). A baffle (31) is fixed to the middle of the side wall of the movable ball (3), and the multiple baffles (31) cover the outside of the infusion tube (14).

4. The hot rolling oil processing equipment for improving roll changing cycle according to claim 1, characterized in that: The disassembly assembly includes multiple second connecting rods (4), which are slidably coupled to the push plate (16). The second connecting rods (4) and the first connecting rod (17) are correspondingly coupled. A rubber sleeve (41) is fixed to the end of the second connecting rod (4). The rubber sleeve (41) is made of elastic material and slides inside the first connecting rod (17). The rubber sleeve (41) and the first connecting rod (17) are interference-fitted. A slot (42) is provided in the middle of the side wall of the cleaning ring (18), and a limit rod (43) is slidably coupled in the middle of the inner side wall of the slot (42).

5. The hot rolling oil processing equipment for improving roll changing cycle according to claim 2, characterized in that: A plurality of first magnetic blocks (5) are fixedly connected to the middle of the inner side wall of the hot rolling box (11), and a second magnetic block (51) is fixedly connected to the middle of the side wall of the cleaning ring (18). The first magnetic blocks (5) and the second magnetic blocks (51) are arranged correspondingly.

6. The hot rolling oil processing equipment for improving roll changing cycle according to claim 1, characterized in that: The base (1) has a slidable sludge collection box (6) on its inner bottom wall, and a handle (61) is fixedly connected to the middle of the side wall of the sludge collection box (6).

7. The hot rolling oil processing equipment for improving roll changing cycle according to claim 4, characterized in that: Multiple second connecting rods (4) are slidably fitted with limit seats (7) in the middle of their sidewalls, and the limit seats (7) are located outside the hot rolling box (11).

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