Hot Strip Finishing Mill

Abstract

The utility model discloses a hot-rolled strip finishing mill, and specifically relates to the technical field of steel strip production, including a finishing mill support frame, a supporting foot is provided at the lower end thereof, a first rotating support rod is provided on the upper side of the inner end surface of the finishing mill support frame, a rotating roller is provided on the outer end surface of the first rotating support rod, a transmission clamping gear is provided on one side of the outer end surface of the rotating roller, a small motor is provided on one side of the outer end surface of the finishing mill support frame, and the output shaft of the small motor passes through the end surface of the finishing mill support frame. When the utility model is actually used, the small motor can drive the roller brush to rotate under the corresponding setting state of the roller brush, the cleaning rotating rod and the small motor, so as to facilitate the cleaning of steel plate impurities adsorbed inside the hot rolling groove, and avoid that part of the impurities generated on the surface of the steel plate after the hot rolling is completed will be adsorbed inside the hot rolling groove, so that when the steel plate is subsequently processed, the impurities adsorbed on its surface are easy to affect the hot rolling surface of the steel plate.

Description

Technical Field

[0001] The utility model relates to the technical field of steel strip production, and more specifically to a hot-rolled strip finishing mill. Background Art

[0002] At present, in the market technology, whether it is conventional hot rolling or thin slab continuous casting and rolling technology, a small vertical roller mill is set at the entrance of the finishing mill. The main function of the mill is to smoothly guide the strip into the finishing mill, and it can also adjust the strip width and improve the cast structure of the edge of the rolled piece. However, with the continuous improvement of continuous casting technology, rough rolling AWC technology, finishing tension width adjustment technology and subsequent finishing technology, the rolling pusher device and hot strip finishing mill described in the publication number (CN220049459U) include a pusher frame, the pusher frame is provided with a roller box for the guide roller to be detachably loaded, the guide roller includes a rotatable roller body, the roller box has a notch for the roller body to partially extend, the pusher frame has a guide channel for the strip to enter, and the roller box divides the guide channel into an entrance section and a subsequent section. By adopting the roller box, the integrity is strong, which facilitates the installation and removal of the vertical roller. The rolling pusher device adopts the guide roller box pusher frame of the above-mentioned embodiment 1 and embodiment 2, so that the radial and axial impacts caused by the strip steel can be better withstood through the cooperation of two self-aligning roller shafts.

[0003] When the above device is in use, the designed oil circuit can ensure that the guide roller works stably, and the sealing structure can prevent the lubricating oil from leaking from the oil circuit. The product has a long life and is easy to disassemble and assemble, thereby improving the working efficiency and the equipment interchangeability is high. However, when the above device is used to hot-roll the steel plate, the side of the steel plate will be deformed when it is subjected to greater pressure, thereby affecting the hot rolling effect and quality of the steel plate. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a hot strip finishing mill. The technical problem to be solved by the utility model is: how to increase the effect of hot rolling of steel plates.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hot strip finishing mill, comprising a finishing mill support frame, a supporting foot is provided at the lower end thereof, a first rotating support rod is provided on the upper side of the inner end surface of the finishing mill support frame, a rotating roller is provided on the outer end surface of the first rotating support rod, a transmission gear is provided on one side of the outer end surface of the rotating roller, a small motor is provided on one side of the outer end surface of the finishing mill support frame, an output shaft of the small motor passes through the end surface of the finishing mill support frame, and a cleaning rotating rod is provided on the output shaft of the small motor inside the finishing mill support frame;

[0006] A roller brush is provided on the outer end face of the cleaning rotating rod, and a driving telescopic rod is provided on the outer end face of the finishing mill support frame on the side close to the small motor. The output shaft of the driving telescopic rod passes through the end face of the finishing mill support frame and extends to the interior of the finishing mill support frame. An adjusting fixing plate is provided on the output shaft of the driving telescopic rod inside the finishing mill support frame, a supporting block is provided on the upper end of one side of the adjusting fixing plate, and a small roller is provided inside the supporting block.

[0007] In a preferred embodiment, the first rotating support rod passes through the end surface of the finishing mill support frame and extends to the other side surface thereof, and the first rotating support rod is provided with a driving rotating connecting piece at the outer end of the finishing mill support frame;

[0008] A second rotating support rod is provided on the lower side of the first rotating support rod on the inner end surface of the finishing mill support frame. The second rotating support rod passes through the end surface of the finishing mill support frame and extends to the other side surface thereof.

[0009] In a preferred embodiment, the outer end surface of the second rotating support rod is provided with a hot rolling roller, the middle part of the outer end surface of the hot rolling roller is provided with a hot rolling groove, and one side of the outer end surface of the hot rolling roller is provided with a transmission slot;

[0010] The driving rotating connecting piece is connected to an external driving rotating device, and the adjusting fixing plate is provided with a supporting sliding rod at the outer end of a side away from the small roller.

[0011] In a preferred embodiment, the driving rotating connection member is connected to an external driving rotating device, and the number of the second rotating support rod, the driving rotating connection member, the rotating roller, the first rotating support rod and the second rotating support rod are all provided in two, and are arranged in a mirror state on both sides of the transverse central axis of the main viewing direction of the finishing mill support frame;

[0012] There are multiple supporting legs, which are arranged in an array on both sides of the vertical center axis of the finishing mill support frame in a top view direction.

[0013] In a preferred embodiment, the number of the transmission slots is multiple, and they are arranged in a circular array outside the center point of the main viewing direction of the hot rolling roller, and the number of the transmission teeth is multiple, and they are arranged in a circular array outside the center point of the main viewing direction of the rotating roller;

[0014] The transmission slot and the transmission tooth are adapted to each other by meshing, and the number of the supporting slide bars is two, and they are arranged in a mirror image state on both sides of the vertical central axis in the top view direction of the driving telescopic rod.

[0015] In a preferred embodiment, the small motor and the driving telescopic rod are electrically connected to the external control device, and the small motor, the cleaning rotating rod and the roller brush are provided in plurality and arranged in an array on both sides of the vertical central axis of the main viewing direction of the finishing mill support frame;

[0016] The outer end surface of the roller brush is adapted to the inner end surface of the hot rolling groove. The number of the driving telescopic rod and the adjusting fixed plate are both provided with two, and they are arranged in a mirror state on both sides of the horizontal center axis of the finishing mill support frame in the top view direction. The number of the adjusting fixed plate and the supporting block is provided with multiple, and they are arranged in an array state on both sides of the vertical center axis of the adjusting fixed plate in the top view direction.

[0017] Technical effects and advantages of the utility model:

[0018] When the utility model is actually used, by setting the roller brush, the cleaning rotating rod and the small motor in corresponding states, the small motor can drive the roller brush to rotate, thereby facilitating the cleaning of steel plate impurities adsorbed inside the hot rolling groove, and avoiding that some impurities generated on the surface of the steel plate after hot rolling are adsorbed inside the hot rolling groove, so that during the subsequent processing of the steel plate, the impurities adsorbed on the surface are easily affected by the hot rolling surface of the steel plate. At the same time, under the corresponding settings of the driving telescopic rod, the supporting sliding rod, the adjusting fixed plate, the supporting block and the small roller, the position of the steel plate can be conveniently limited, and at the same time, it can also avoid that the surface of one side of the steel plate is subjected to greater pressure during hot rolling and is deformed, thereby increasing the quality of the hot rolling of the steel plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the overall rear structure of the utility model.

[0021] Figure 3 It is a schematic diagram of the overall main cross-sectional structure of the utility model.

[0022] Figure 4 It is a schematic diagram of the overall cross-section connection structure of the utility model.

[0023] Figure 5 It is a schematic diagram of the enlarged connection structure of the drive telescopic rod of the utility model.

[0024] The accompanying drawings are marked as: 1 finishing mill support frame, 2 supporting feet, 3 small motor, 4 first rotating support rod, 5 second rotating support rod, 6 driving telescopic rod, 7 driving rotating connecting piece, 8 rotating roller, 9 roller brush, 10 hot rolling groove, 11 hot rolling roller, 12 cleaning rotating rod, 13 transmission gear, 14 transmission slot, 15 supporting slide rod, 16 adjusting fixed plate, 17 support block, 18 small roller. DETAILED DESCRIPTION

[0025] The utility model provides a hot strip finishing mill, such as Figure 1 , 2 As shown in and 3, it includes a finishing mill support frame 1, a supporting foot 2 is provided at the lower end of the finishing mill support frame 1, a first rotating support rod 4 is provided on the upper side of the inner end surface of the finishing mill support frame 1, and a rotating roller 8 is provided on the outer end surface of the first rotating support rod 4, and a small motor 3 is provided on one side of the outer end surface of the finishing mill support frame 1, and the output shaft of the small motor 3 passes through the end surface of the finishing mill support frame 1, and a driving telescopic rod 6 is provided on the side of the outer end surface of the finishing mill support frame 1 close to the small motor 3, and the output shaft of the driving telescopic rod 6 passes through the end surface of the finishing mill support frame 1 and extends to the interior of the finishing mill support frame 1, the first rotating support rod 4 passes through the end surface of the finishing mill support frame 1 and extends to its other side, and the first rotating support rod 4 is provided with a driving rotating Rotating connecting piece 7, a second rotating support rod 5 is provided on the lower side of the first rotating support rod 4 on the inner end surface of the finishing mill support frame 1, and the second rotating support rod 5 passes through the end surface of the finishing mill support frame 1 and extends to its other side surface, the driving rotating connecting piece 7 is connected with the external driving rotating equipment, the second rotating support rod 5, the driving rotating connecting piece 7, the rotating roller 8, the first rotating support rod 4 and the second rotating support rod 5 are each provided with two, and are arranged in a mirror state on both sides of the horizontal center axis of the main viewing direction of the finishing mill support frame 1, the supporting feet 2 are provided with multiple, and are arranged in an array state on both sides of the vertical center axis of the finishing mill support frame 1 in the top viewing direction, and the small motor 3 and the driving telescopic rod 6 are electrically connected to the external control device.

[0026] like Figure 4 and 5As shown, a transmission tooth 13 is provided on one side of the outer end surface of the rotating roller 8, a cleaning rotating rod 12 is provided on the output shaft of the small motor 3 inside the finishing mill support frame 1, and a roller brush 9 is provided on the outer end surface of the cleaning rotating rod 12, and an adjustment fixing plate 16 is provided on the output shaft of the driving telescopic rod 6 inside the finishing mill support frame 1, and a support block 17 is provided on the upper end of one side of the adjusting fixing plate 16, and a small roller 18 is provided inside the support block 17, a hot rolling roller 11 is provided on the outer end surface of the second rotating support rod 5, a hot rolling groove 10 is provided in the middle of the outer end surface of the hot rolling roller 11, and a transmission groove 14 is provided on one side of the outer end surface of the hot rolling roller 11, and a supporting slide bar 15 is provided on the outer end of the adjusting fixing plate 16 away from the small roller 18, and the number of the transmission grooves 14 is multiple, and they are arranged in a circular array state outside the center point of the main viewing direction of the hot rolling roller 11, There are multiple 13s, and they are arranged in a circular array state on the outside of the center point of the rotating roller 8 in the main viewing direction. The transmission slot 14 is adapted to the transmission tooth 13 by meshing. There are two support slide bars 15, and they are arranged in a mirror state on both sides of the vertical center axis of the driving telescopic rod 6 in the top-view direction. There are multiple small motors 3, cleaning rotating rods 12 and roller brushes 9, and they are arranged in an array state on both sides of the vertical center axis of the finishing mill support frame 1 in the main viewing direction. The outer end surface of the roller brush 9 is adapted to the inner end surface of the hot rolling groove 10. There are two driving telescopic rods 6 and adjusting fixed plates 16, and they are arranged in a mirror state on both sides of the transverse center axis of the finishing mill support frame 1 in the top-view direction. There are multiple adjusting fixed plates 16 and support blocks 17, and they are arranged in an array state on both sides of the vertical center axis of the adjusting fixed plates 16 in the top-view direction.

[0027] Working principle of this utility model:

[0028] When the utility model is used, after the finishing mill is installed, the staff connects it to the driving rotating connector 7 through an external driving device (because the driving device of the finishing mill is an existing mature structure, it is not drawn in the drawings of the specification), and then the steel plate after heating is introduced into the interior of the finishing mill support frame 1, and then the external driving device drives the rotating roller 8 to rotate, and then in the meshing state of the transmission clamping teeth 13 and the transmission clamping groove 14, the hot rolling roller 11 can be driven to rotate, so as to perform hot rolling on the steel plate, and the steel plate will be hot-rolled and moved inside the hot rolling groove 10, and then the staff drives the adjustment fixing plate 16 to move through the external control device, so that the small roller 8 and the side of the steel plate are stably fitted, so as to prevent the steel plate from being deformed by a large pressure on one side of the steel plate during hot rolling, so that when the steel plate is hot rolled, some impurities of the steel plate will be adsorbed inside the hot rolling groove 10, and the staff controls the small motor 3 to work through the external control device, which will drive the roller brush 9 and the cleaning rotating rod 12 to rotate, so as to remove the impurities inside the hot rolling groove 10.

[0029] Finally, a few points should be explained: the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hot strip finishing mill, characterized in that: include: A finishing mill support frame (1) is provided with a support foot (2) at its lower end, a first rotating support rod (4) is provided on the upper side of the inner end surface of the finishing mill support frame (1), a rotating roller (8) is provided on the outer end surface of the first rotating support rod (4), a transmission gear (13) is provided on one side of the outer end surface of the rotating roller (8), a small motor (3) is provided on one side of the outer end surface of the finishing mill support frame (1), an output shaft of the small motor (3) passes through the end surface of the finishing mill support frame (1), and a cleaning rotating rod (12) is provided on the output shaft of the small motor (3) inside the finishing mill support frame (1); The outer end surface of the cleaning rotating rod (12) is provided with a roller brush (9); the outer end surface of the finishing mill support frame (1) is provided with a driving telescopic rod (6) on a side close to the small motor (3); the output shaft of the driving telescopic rod (6) passes through the end surface of the finishing mill support frame (1) and extends to the interior of the finishing mill support frame (1); the output shaft of the driving telescopic rod (6) is provided with an adjusting fixing plate (16) inside the finishing mill support frame (1); a supporting block (17) is provided at an upper end of one side of the adjusting fixing plate (16); and a small roller (18) is provided inside the supporting block (17).

2. The hot strip finishing mill according to claim 1, characterized in that: The first rotating support rod (4) passes through the end surface of the finishing mill support frame (1) and extends to the other side surface thereof, and the first rotating support rod (4) is provided with a driving rotating connecting piece (7) at the outer end of the finishing mill support frame (1); A second rotating support rod (5) is provided on the inner end surface of the finishing mill support frame (1) below the first rotating support rod (4); the second rotating support rod (5) passes through the end surface of the finishing mill support frame (1) and extends to the other side surface thereof.

3. The hot strip finishing mill according to claim 2, characterized in that: The outer end surface of the second rotating support rod (5) is provided with a hot rolling roller (11), the middle part of the outer end surface of the hot rolling roller (11) is provided with a hot rolling groove (10), and one side of the outer end surface of the hot rolling roller (11) is provided with a transmission slot (14); The driving rotating connecting member (7) is connected to an external driving rotating device, and the adjusting fixing plate (16) is provided with a supporting sliding rod (15) at the outer end of a side away from the small roller (18).

4. The hot strip finishing mill according to claim 2, characterized in that: The driving rotating connection member (7) is connected to an external driving rotating device, and the number of the second rotating support rod (5), the driving rotating connection member (7), the rotating roller (8), the first rotating support rod (4) and the second rotating support rod (5) is two, and they are arranged in a mirror image state on both sides of the transverse central axis of the main viewing direction of the finishing mill support frame (1); The supporting legs (2) are provided in a plurality and are arranged in an array state on both sides of the vertical central axis of the finishing mill support frame (1) in a top-view direction.

5. The hot strip finishing mill according to claim 3, characterized in that: The number of the transmission slots (14) is plural, and they are arranged in a circular array outside the center point of the main viewing direction of the hot rolling roller (11); the number of the transmission teeth (13) is plural, and they are arranged in a circular array outside the center point of the main viewing direction of the rotating roller (8); The transmission slot (14) and the transmission tooth (13) are adapted to each other by meshing, and the number of the support slide bars (15) is two, and they are arranged in a mirror image state on both sides of the vertical central axis of the driving telescopic rod (6) in the top view direction.

6. The hot strip finishing mill according to claim 1, characterized in that: The small motor (3) and the driving telescopic rod (6) are electrically connected to an external control device, and the small motor (3), the cleaning rotating rod (12) and the roller brush (9) are provided in plural numbers and are arranged in an array state on both sides of the vertical central axis of the finishing mill support frame (1) in the main viewing direction; The outer end surface of the roller brush (9) is matched with the inner end surface of the hot rolling groove (10); the number of the driving telescopic rod (6) and the adjusting fixed plate (16) are both provided in pairs, and they are arranged in a mirror state on both sides of the transverse central axis of the finishing mill support frame (1) in the top-view direction; the number of the adjusting fixed plate (16) and the supporting block (17) is provided in pairs, and they are arranged in an array state on both sides of the vertical central axis of the adjusting fixed plate (16) in the top-view direction.

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