Roller cooling mechanism for rolling steel

Abstract

The utility model relates to the field of steel rolling, discloses a roller cooling mechanism for steel rolling, and solves the problems that the existence of impurities can interfere with the full contact between a cooling medium and the surface of a roller, hinder heat transfer, reduce the cooling efficiency and further influence the performance of the roller and the rolling quality of the steel. A roller cooling mechanism for steel rolling comprises a base, a first supporting plate fixedly connected to the upper portion of the base and a roller arranged on the inner side of the first supporting plate, and a rotating mechanism is arranged, so that when rotating, the rotating mechanism drives a scraping plate to move transversely, and then scraping is conducted on the scraping plate. And the scraping plate is always kept to clean in front, and the water spraying head is always kept to spray cooling liquid behind, so that the cooling liquid can be better contacted with the roller for heat exchange, the cooling effect is improved, and the rolling quality of steel is improved.

Description

Technical Field

[0001] This utility model relates to the field of steel rolling, specifically to a steel rolling roll cooling mechanism. Background Technology

[0002] The rolling mill roll cooling mechanism is mainly used in the steel rolling process. There is intense friction and deformation heat between the roll and the steel, which can cause the roll temperature to rise sharply. The cooling mechanism removes the heat through a circulating cooling medium (such as water) to keep the roll within a suitable working temperature range. This prevents the roll material properties from deteriorating and the hardness from decreasing due to excessive temperature, which would affect the rolling quality.

[0003] Patent CN216632047U, specifically concerning a steel rolling roll cooling device, addresses the problem of poor cooling effect during steel cooling. The proposed solution includes a processing table, a support frame fixed to the top side wall of the processing table, a cooling cover on the top side wall of the processing table, and a coolant tank installed on one side of the support frame. Roll cooling is crucial during steel rolling. On one hand, intense friction and immense pressure between the roll and the steel during rolling generate a large amount of heat. If not cooled promptly, the roll temperature rises sharply, leading to material degradation such as reduced hardness and strength, severely impacting rolling quality and significantly shortening roll life. On the other hand, proper cooling ensures roll dimensional accuracy and shape, preventing steel dimensional deviations due to thermal expansion and deformation, while also reducing surface defects and improving surface quality.

[0004] However, existing steel rolling roll cooling devices have revealed numerous problems in actual operation. Among them, the accumulation of impurities on the roll surface is particularly prominent. During the rolling process, impurities such as metal scraps and oxide scale are generated, and the cooling water may also contain particles such as mud, sand, and rust. These impurities easily adhere to the roll surface under the scouring of the coolant. The presence of impurities interferes with the full contact between the cooling medium and the roll surface, hinders heat transfer, reduces cooling efficiency, and further affects the performance of the roll and the rolling quality of the steel. Utility Model Content

[0005] The purpose of this invention is to provide a cooling mechanism for steel rolling rolls. By using this device, the problem that the presence of impurities can interfere with the full contact between the cooling medium and the roll surface, hinder heat transfer, reduce cooling efficiency, and further affect the performance of the rolls and the rolling quality of the steel is solved.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a steel rolling roll cooling mechanism, comprising a base, a first support plate fixedly connected above the base, a roll disposed inside the first support plate, a rotating mechanism disposed outside the roll, and an elastic mechanism disposed inside the rotating mechanism.

[0007] The rotating mechanism has two parts about the horizontal center axis of the first support plate. The rotating mechanism includes a motor fixedly connected to the outside of the first support plate. The output end of the motor is fixedly connected to a threaded rod. The outside of the threaded rod is threadedly connected to a sliding plate that is slidably connected to the first support plate. A rotating disk is rotatably connected inside the sliding plate. A scraper is fixedly connected to one side of the lower end of the rotating disk. A water spray head is fixedly connected to the other side of the lower end of the rotating disk. A cooling box fixedly connected to the first support plate is set between the two motors. The water spray head and the cooling box are connected through a water pipe.

[0008] Preferably, the central axis of the threaded rod is parallel to the central axis of the roll.

[0009] Preferably, the outer side of the scraper is arc-shaped, and the inner side of the scraper is in contact with the outer side of the roll.

[0010] Preferably, the elastic mechanism includes a second support plate fixedly connected to the inner side of the first support plate. The second support plate has a first guide groove inside, and the rotating disk has a first groove inside. A spring is fixedly connected inside the first groove. A push rod is fixedly connected to the upper end of the spring. A guide rod nested inside the first guide groove is rotatably connected to the upper outer end of the push rod. The two sides of the first guide groove are connected to the second guide groove. A gear is fixedly connected to the upper end of the push rod. A rack is fixedly connected to one side of the second support plate. A first paddle is rotatably connected to the lower outer end of the push rod. A second paddle is fixedly connected to the outer side of the first support plate. Limit grooves are formed on the upper and lower sides of the gear. A limit rod fixedly connected to the first support plate is provided inside the limit groove.

[0011] Preferably, the second guide groove has a straight shape at the end closest to the central axis of the first support plate, and a wavy shape at the end furthest from the central axis of the first support plate.

[0012] Preferably, the horizontal height of the inner point of the first guide groove at the end away from the motor is lower than the central axis of the straight end of the second guide groove, and the horizontal height of the inner point of the first guide groove at the end near the motor is higher than the central axis of the straight end of the second guide groove.

[0013] Preferably, the lower end of the push rod has a cuboid shape, and the outer side of the push rod fits against the inner side of the first groove.

[0014] Preferably, there are two racks, and the length of the rack is half the circumference of the gear.

[0015] This utility model proposes a cooling mechanism for steel rolling rolls. By setting up a rotating mechanism, the rotating mechanism drives the scraper to move laterally when it rotates, thereby scraping the scraper. Compared with the prior art, the scraper is always in front for cleaning, and the water spray head is behind to spray coolant. This allows the coolant to better contact the roll for heat exchange, improving the cooling effect and thus improving the rolling quality of the steel. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0017] Figure 2 This is a front cross-sectional view of the first support plate of this utility model.

[0018] Figure 3 For the present utility model Figure 2 Schematic diagram of the structure at point A in the middle;

[0019] Figure 4 This is a top view cross-sectional structural diagram of the limiting rod of this utility model;

[0020] Figure 5 This is a schematic diagram of the external structure of the first guide groove of this utility model.

[0021] In the diagram: 1. Base; 2. First support plate; 3. Roller; 4. Rotating mechanism; 401. Motor; 402. Threaded rod; 403. Sliding plate; 404. Rotating disk; 405. Scraper; 406. Water spray head; 407. Cooling box; 408. Water pipe; 5. Elastic mechanism; 501. Second support plate; 502. First guide groove; 503. First groove; 504. Spring; 505. Push rod; 506. Guide rod; 507. Second guide groove; 508. Gear; 509. Rack; 510. First paddle; 511. Second paddle; 512. Limiting groove; 513. Limiting rod. Detailed Implementation

[0022] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-5The present invention provides a technical solution: a cooling mechanism for a steel rolling mill, comprising a base 1, a first support plate 2 fixedly connected above the base 1, a rolling mill 3 disposed on the inner side of the first support plate 2, a rotating mechanism 4 disposed on the outer side of the rolling mill 3, and an elastic mechanism 5 disposed inside the rotating mechanism 4.

[0024] The rotating mechanism 4 has two parts about the horizontal center axis of the first support plate 2. The rotating mechanism 4 includes a motor 401 fixedly connected to the outside of the first support plate 2. The output end of the motor 401 is fixedly connected to a threaded rod 402. The outside of the threaded rod 402 is threadedly connected to a sliding plate 403 that is slidably connected to the first support plate 2. The inside of the sliding plate 403 is rotatably connected to a rotating disk 404. A scraper 405 is fixedly connected to one side of the lower end of the rotating disk 404, and a water spray head 406 is fixedly connected to the other side of the lower end of the rotating disk 404. A cooling box 407 fixedly connected to the first support plate 2 is provided between the two motors 401. The water spray head 406 and the cooling box 407 are connected through a water pipe 408. The center axis of the threaded rod 402 is parallel to the center axis of the roll 3. The outer structure of the scraper 405 is arc-shaped, and the inner side of the scraper 405 is in contact with the outer side of the roll 3, so that the scraper 405 can clean the impurities on the surface of the roll 3.

[0025] The elastic mechanism 5 includes a second support plate 501 fixedly connected to the inner side of the first support plate 2. The second support plate 501 has a first guide groove 502 inside, and the rotating disk 404 has a first groove 503 inside. A spring 504 is fixedly connected inside the first groove 503. A push rod 505 is fixedly connected to the upper end of the spring 504. A guide rod 506 nested inside the first guide groove 502 is rotatably connected to the upper outer side of the push rod 505. Second guide grooves 507 connect to both sides of the first guide groove 502. The second guide groove 507 has a straight shape at the end near the vertical axis of the first support plate 2 and a wavy shape at the end away from the vertical axis of the first support plate 2, allowing the guide rod 506 to move up and down within the wavy groove of the second guide groove 507. A gear 508 is fixedly connected to the upper end of the push rod 505, and a rack 509 is fixedly connected to one side of the second support plate 501. A first lever 510 is rotatably connected to the lower side, and a second lever 511 is fixedly connected to the outer side of the first support plate 2. Limiting grooves 512 are opened on the upper and lower sides of the gear 508. A limiting rod 513 fixedly connected to the first support plate 2 is provided on the inner side of the limiting groove 512. The horizontal height of the inner point of the first guide groove 502 away from the motor 401 is lower than the central axis of the straight end of the second guide groove 507, and the horizontal height of the inner point of the first guide groove 502 near the motor 401 is higher than the central axis of the straight end of the second guide groove 507. This allows the guide rod 506 to move to both the upper and lower ends of the second guide groove 507 when the top of the second guide groove 507 moves back. The lower end of the push rod 505 has a cuboid shape, and the outer side of the push rod 505 fits against the inner side of the first groove 503, so that the push rod 505 will not rotate when it moves inside the first groove 503. Two racks 509 are provided, and the length of the rack 509 is half the circumference of the gear 508.

[0026] When cooling is required, the motor 401 is started, driving the threaded rod 402 to rotate, which in turn causes the first support plate 2, rotating disk 404, scraper 405, and spray head 406 to move laterally. Because the outer structure of the scraper 405 is arc-shaped and its inner surface is in contact with the outer surface of the roll 3, the scraper 405 can clean impurities from the outside of the roll 3. The spray head 406 can cool the roll 3. When the rotating disk 404 moves laterally, it drives the guide rod 506, which is rotatably connected to the rotating disk 404, to move laterally as well. When the guide rod 506 moves into the interior of the second guide groove 507, because the external structural shape of the second guide groove 507 near the central axis of the first support plate 2 is straight and the external structural shape of the second guide groove 507 away from the central axis of the first support plate 2 is wavy, the guide rod 506 will move up and down, driving the push rod 505 and the first paddle 510 to move up and down, causing the first paddle 510 and the second paddle 511 to collide and vibrate, causing the debris on the scraper 405 to be vibrated down. At this time, the gear 508... The lower limiting groove 512 is still held by the lower limiting rod 513. After cleaning, the motor 401 is started to rotate in the reverse direction, causing the guide rod 506 to move in the reverse direction. Because the horizontal height of the inner point of the end of the first guide groove 502 away from the motor 401 is lower than the center axis of the straight end of the second guide groove 507, and the horizontal height of the inner point of the end of the first guide groove 502 near the motor 401 is higher than the center axis of the straight end of the second guide groove 507, the guide rod 506 will move to the upper interior of the second guide groove 507. At this time, the gear 508 below... The limiting groove 512 disengages from the lower limiting rod 513, the gear 508 contacts and moves with the upper rack 509, the gear 508 rotates, driving the water spray head 406 and scraper 405 to rotate, and then the gear 508 is limited by the upper limiting rod 513. The water spray head 406 and scraper 405 clean the roll again. Because the scraper 405 can always be in front for cleaning and the water spray head 406 sprays coolant from behind, the coolant can better contact the roll for heat exchange, improving the cooling effect and improving the rolling quality of the steel.

[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 process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A steel rolling roller cooling mechanism, comprising a base (1), a first support plate (2) fixedly connected above the base (1), and a roller (3) arranged on the inner side of the first support plate (2), characterized in that: A rotating mechanism (4) is provided on the outside of the roller (3), and an elastic mechanism (5) is provided inside the rotating mechanism (4); The rotating mechanism (4) has two parts about the horizontal center axis of the first support plate (2). The rotating mechanism (4) includes a motor (401) fixedly connected to the outside of the first support plate (2). The output end of the motor (401) is fixedly connected to a threaded rod (402). The outside of the threaded rod (402) is threadedly connected to a sliding plate (403) that is slidably connected to the first support plate (2). A rotating disk (404) is rotatably connected inside the sliding plate (403). A scraper (405) is fixedly connected to one side of the lower end of the rotating disk (404). A water spray head (406) is fixedly connected to the other side of the lower end of the rotating disk (404). A cooling box (407) fixedly connected to the first support plate (2) is provided between the two motors (401). The water spray head (406) and the cooling box (407) are connected through a water pipe (408).

2. A cooling mechanism for a roll for rolling a steel material according to claim 1, characterized in that: The central axis of the threaded rod (402) is parallel to the central axis of the roll (3).

3. A cooling mechanism for a roll for rolling a steel material according to claim 1, characterized in that: The outer side of the scraper (405) is arc-shaped, and the inner side of the scraper (405) is in contact with the outer side of the roll (3).

4. A cooling mechanism for a roll for rolling a steel material according to claim 1, characterized in that: The elastic mechanism (5) includes a second support plate (501) fixedly connected to the inner side of the first support plate (2). A first guide groove (502) is provided inside the second support plate (501). A first groove (503) is provided inside the rotating disk (404). A spring (504) is fixedly connected inside the first groove (503). A push rod (505) is fixedly connected to the upper end of the spring (504). A guide rod (506) nested inside the first guide groove (502) is rotatably connected to the upper outer side of the push rod (505). (502) has a second guide groove (507) connected to both sides. The upper end of the push rod (505) is fixedly connected to a gear (508). The side of the second support plate (501) is fixedly connected to a rack (509). The lower outer end of the push rod (505) is rotatably connected to a first paddle (510). The outer side of the first support plate (2) is fixedly connected to a second paddle (511). The upper and lower sides of the gear (508) are provided with limit grooves (512). The inner side of the limit groove (512) is provided with a limit rod (513) fixedly connected to the first support plate (2).

5. A steel material rolling roll cooling mechanism according to claim 4, characterized by: The second guide groove (507) has a straight shape at the end closest to the vertical central axis of the first support plate (2), and a wavy shape at the end furthest from the vertical central axis of the first support plate (2).

6. A steel material rolling roll cooling mechanism according to claim 4, characterized by: The horizontal height of the inner end of the first guide groove (502) away from the motor (401) is lower than the central axis of the straight end of the second guide groove (507), and the horizontal height of the inner end of the first guide groove (502) near the motor (401) is higher than the central axis of the straight end of the second guide groove (507).

7. A steel rolling roll cooling mechanism according to claim 4, characterized in that: The lower end of the push rod (505) is cuboid in appearance, and the outer side of the push rod (505) is attached to the inner side of the first groove (503).

8. A steel material rolling roll cooling mechanism according to claim 4, characterized by: The rack (509) is provided with two, and the length of the rack (509) is half of the circumference of the gear (508).

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