Quick replacing device for coiling block of hot rolling coiling machine
By using a hydraulically driven rotating frame and a motor-driven fixing belt, the swaying problem of the hot rolling coiler's drum changing device during hoisting was solved, enabling stable conveying and rapid installation of the drum, thus improving safety and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI GANGHAI METAL CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-05-19
AI Technical Summary
The existing hot rolling coiler drum changing device is prone to shaking during hoisting, which affects precise docking, reduces installation efficiency, and increases safety risks.
The rotating frame and adjusting components driven by hydraulic cylinders, combined with the fixing components and rollers, enable smooth conveying and positioning of the drum. The drum is fixed by a motor-driven winding belt, and the drum angle and height can be adjusted to ensure stable movement.
It enables quick and safe installation of the reel, prevents shaking, improves replacement efficiency and safety, and avoids equipment collision accidents.
Smart Images

Figure CN224253880U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metallurgical machinery engineering, and in particular to a quick-change device for hot rolling coiler drums. Background Technology
[0002] Hot rolling coilers are important equipment used in the steel production process to roll heated steel billets or plates into coils of the required thickness. In the hot rolling process, metal materials are heated to a certain temperature and rolled through a series of rolls to achieve the required size and shape. The performance and ease of operation of its core component, the coil, directly affect production efficiency, product quality, and production safety.
[0003] A quick-change device for a winding machine drum, disclosed in CN202625602U, consists of a saddle and a lifting device. The saddle includes lifting holes, a U-shaped groove, a base, and a slot. The lifting holes are evenly distributed at the four outer corners of the saddle. The two sides of the U-shaped groove are inclined and have anti-slip pads. The bottom of the saddle has a slot. This device can quickly and safely change two types of drums. However, the device is changed by lifting, which is prone to shaking during the change process. This not only affects the precise docking of the drum with other parts of the winding machine and reduces installation efficiency, but also easily causes accidents such as equipment collisions, seriously affecting the safety and stability of the change.
[0004] Therefore, it is necessary to design a quick-change device for hot-rolled coilers that can fix coils of different specifications for stable conveying without affecting the movement of the coils during material feeding and installation, prevent shaking, prevent accidents, facilitate quick installation of the coils, and improve the safety of replacement. Utility Model Content
[0005] To overcome the shortcomings of current devices that use hoisting for replacement, which are prone to shaking during the replacement process, affecting the precise connection between the drum and other components of the coiler, reducing installation efficiency, and easily causing accidents such as equipment collisions, seriously affecting the safety and stability of the replacement, this utility model provides a hot-rolled coiler quick replacement device that can fix drums of different specifications for stable conveying without affecting the movement and unloading of the drum, preventing shaking, preventing accidents, facilitating quick drum installation, and improving replacement safety.
[0006] The technical implementation scheme of this utility model is as follows: a quick-change device for hot rolling coiler, comprising a moving carriage, a hydraulic cylinder, a push plate, a rotating frame, a first sliding frame, a support frame, rollers, an adjustment component, and a fixing component. The hydraulic cylinder is connected to the middle of the moving carriage, and the hydraulic cylinder and the processor are electrically connected through a control module. The push plate is connected to the telescopic end of the hydraulic cylinder. The rotating frames are rotatably connected to the left and right sides of the upper part of the moving carriage. The rotating connection points in the middle of the rotating frames are all connected to the push plate. The first sliding frame is rotatably connected to the upper part of the rotating frames. The first sliding frame is slidably connected to the push plate and the moving carriage. The support frame is rotatably connected to the upper part of the first sliding frame. Multiple rollers are rotatably connected to the middle of the support frame. The support frame is provided with an adjustment component for adjusting to accommodate the installation of coils of different specifications. A fixing component for fixing the coils is provided between the support frame and the adjustment component.
[0007] Optionally, the rollers are all made of alloy steel.
[0008] Optionally, the adjustment assembly includes a first motor, a gear set, a second motor, a bidirectional lead screw, a flat belt, and a second sliding frame. The first motor is connected to the right side of the first sliding frame. The first motor and the processor are electrically connected through a control module. A gear set is provided between the output shaft of the first motor and the lower part of the support frame. The second motor is connected to the right side of the support frame. The second motor and the processor are electrically connected through a control module. Both the front and rear parts of the support frame are rotatably connected to bidirectional lead screws. The rear bidirectional lead screw is connected to the output shaft of the second motor. A flat belt is wound around the right side of the bidirectional lead screw via a pulley. The left and right parts of the bidirectional lead screw are threadedly connected to the second sliding frame. The second sliding frame is slidably connected to the support frame. The upper part of the second sliding frame is also rotatably connected to two rollers.
[0009] Optionally, the gear set includes a gear and a gear ring, with the gear connected to the output shaft of the first motor and the gear ring connected to the lower part of the support frame, the gear ring and the gear meshing with each other.
[0010] Optionally, the fixing component includes a third motor, a winding drum, and a fixing belt. Two third motors are connected to the opposite sides of the second sliding frame. The third motors and the processor are electrically connected through a control module. The winding drums are rotatably connected to both the front and rear parts of the second sliding frame. The winding drums are connected to the output shafts of the adjacent third motors. A fixing belt is wound between the two winding drums on the same second sliding frame.
[0011] Optionally, the winding drums are all I-shaped.
[0012] The beneficial effects of this utility model are as follows: 1. This utility model moves the second sliding frame, then places the drum on the support frame, and fixes the drum by rotating around the drum and winding the fixing belt. Then, it pushes the device to move and position, and then pushes the drum to move and install. This can fix drums of different specifications for stable conveying without affecting the movement of the drum for unloading and installation, preventing shaking, preventing accidents, facilitating quick installation of the drum, and improving the safety of replacement.
[0013] 2. This utility model adjusts the drum angle by rotating the support frame, and moves the push plate by the hydraulic cylinder, causing the rotating frame to rotate, which in turn moves the first sliding frame, raising the support frame and positioning the drum. This allows for adjusting the drum height and angle for positioning, and then pushing the drum to move for installation. The operation is simple, facilitates quick positioning and installation of the drum, and improves replacement efficiency. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0015] Figure 2 This is a three-dimensional structural diagram of the mobile vehicle and hydraulic cylinder components of this utility model.
[0016] Figure 3 This is a three-dimensional cross-sectional view of the motor and support frame components of this utility model.
[0017] Figure 4 This is a three-dimensional cross-sectional view of the components such as the bidirectional lead screw and roller of this utility model.
[0018] Figure 5 This is a three-dimensional structural diagram of the sliding frame and fixing strap of this utility model.
[0019] The meanings of the reference numerals in the figure are as follows: 1_moving vehicle, 2_hydraulic cylinder, 3_push plate, 4_rotating frame, 5_first sliding frame, 6_support frame, 7_first motor, 8_gear set, 9_second motor, 10_double-acting lead screw, 11_flat belt, 12_second sliding frame, 13_roller, 14_third motor, 15_winding drum, 16_fixed belt. Detailed Implementation
[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0021] A quick-change device for hot-rolled coiler drums, such as Figures 1-5As shown, the device includes a mobile carriage 1, a hydraulic cylinder 2, a push plate 3, a rotating frame 4, a first sliding frame 5, a support frame 6, rollers 13, an adjustment assembly, and a fixing assembly. The hydraulic cylinder 2 is connected to the middle of the mobile carriage 1. The hydraulic cylinder 2 and the processor are electrically connected through a control module. The push plate 3 is connected to the telescopic end of the hydraulic cylinder 2. The rotating frame 4 is rotatably connected to both the left and right sides of the upper part of the mobile carriage 1. The rotating connection points in the middle of the rotating frame 4 are connected to the push plate 3. The first sliding frame 5 is rotatably connected to the upper part of the rotating frame 4. The first sliding frame 5 is slidably connected to the push plate 3 and the mobile carriage 1. The support frame 6 is rotatably connected to the upper part of the first sliding frame 5. Five rollers 13 are rotatably connected to the middle of the support frame 6. The rollers 13 are all made of alloy steel and have good strength and wear resistance. The support frame 6 is equipped with an adjustment assembly for adjusting to accommodate the installation of rollers of different specifications. A fixing assembly for fixing the rollers is provided between the support frame 6 and the adjustment assembly.
[0022] like Figure 3 and Figure 4 As shown, the adjustment assembly includes a first motor 7, a gear set 8, a second motor 9, a bidirectional lead screw 10, a flat belt 11, and a second sliding frame 12. The first motor 7 is connected to the right side of the first sliding frame 5. The first motor 7 and the processor are electrically connected through a control module. A gear set 8 is provided between the output shaft of the first motor 7 and the lower part of the support frame 6. The gear set 8 includes a gear and a gear ring. A gear is connected to the output shaft of the first motor 7. A gear ring is connected to the lower part of the support frame 6. The gear ring and the gear mesh with each other. The second motor 9 is connected to the right side of the support frame 6. The second motor 9 and the processor are electrically connected through a control module. The bidirectional lead screw 10 is rotatably connected to both the front and rear parts of the support frame 6. The bidirectional lead screw 10 at the rear is connected to the output shaft of the second motor 9. A flat belt 11 is wound around the right side of the bidirectional lead screw 10 through a pulley. The second sliding frame 12 is threadedly connected to both the left and right sides of the bidirectional lead screw 10. The second sliding frame 12 is slidably connected to the support frame 6. Two left and right rollers 13 are also rotatably connected to the upper part of the second sliding frame 12.
[0023] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, the fixing assembly includes a third motor 14, a winding drum 15, and a fixing belt 16. Two third motors 14 are connected to each other on the opposite side of the second sliding frame 12. The third motors 14 and the processor are electrically connected through a control module. The winding drums 15 are rotatably connected to both the front and rear parts of the second sliding frame 12. The winding drums 15 are connected to the output shafts of the adjacent third motors 14. The fixing belt 16 is wound between the two winding drums 15 on the same second sliding frame 12. The winding drums 15 are all I-shaped to facilitate winding the fixing belt 16.
[0024] When a hot-rolled coiler requires a quick change of the coil, this device can be used. The moving carriage 1 contacts the ground, and the processor starts the second motor 9 via the control module. The second motor 9 drives the corresponding bidirectional lead screw 10 to rotate, causing the pulley to rotate, which in turn drives the flat belt 11 to rotate, thus rotating another bidirectional lead screw 10. Under the action of the thread, the second sliding frame 12 moves. After moving to the appropriate position, the second motor 9 is turned off. The coil is then placed on the support frame 6, so that the coil contacts the roller 13. The rollers 13 are all made of alloy steel, which has good strength and wear resistance. The third motor 14 is then started, driving the winding of the coil 15 to wind up the fixing belt 16, so that the fixing belt 16 contacts and is fixed to the coil. The winding of the coil 15 is I-shaped, facilitating the winding of the fixing belt 16. After fixing, the third motor 14 is turned off, and the device is then moved to the appropriate position. The first motor 7 is then started, driving the gear to rotate. The gear and gear ring mesh with each other, causing... The support frame 6 rotates, thereby adjusting the angle of the drum. After adjusting to the appropriate angle, the first motor 7 is turned off, and the hydraulic cylinder 2 is started. The hydraulic cylinder 2 drives the push plate 3 to move, causing the rotating frame 4 to rotate, which in turn drives the first sliding frame 5 to move, thereby raising the support frame 6 and driving the second sliding frame 12, roller 13, winding drum 15, and fixing belt 16 to move, so that the drum moves and is positioned. This allows for adjustment of the drum height and angle for positioning, and then pushing the drum to move for installation. The operation is simple, facilitating quick positioning and installation of the drum, and improving replacement efficiency. Subsequently, the drum is pushed to the hot rolling coiler for replacement, causing the roller 13 to rotate. This allows for the stable conveying of drums of different specifications without affecting the movement of the drum for unloading and installation, preventing shaking and accidents, facilitating quick installation of the drum, and improving replacement safety. After replacement, the third motor 14 operates in reverse, causing the winding drum 15 to rotate in the opposite direction to loosen the fixing belt 16 for the next use. Then, the third motor 14 is turned off, and the device can be removed.
[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A quick-change device for hot-rolled coiler drums, characterized in that, The device includes a mobile carriage (1), a hydraulic cylinder (2), a push plate (3), a rotating frame (4), a first sliding frame (5), a support frame (6), a roller (13), an adjustment component, and a fixing component. The mobile carriage (1) is connected to the middle of the hydraulic cylinder (2). The hydraulic cylinder (2) and the processor are electrically connected through a control module. The extension end of the hydraulic cylinder (2) is connected to the push plate (3). The upper left and right sides of the mobile carriage (1) are rotatably connected to the rotating frame (4). The rotating connection in the middle of the rotating frame (4) is connected to the push plate (3). The upper part of the rotating frame (4) is rotatably connected to the first sliding frame (5). The first sliding frame (5) is slidably connected to the push plate (3) and the mobile carriage (1). The upper part of the first sliding frame (5) is rotatably connected to the support frame (6). The middle part of the support frame (6) is rotatably connected to multiple rollers (13). The support frame (6) is provided with an adjustment component for adjusting to accommodate different specifications of drums. The support frame (6) and the adjustment component are provided with a fixing component for fixing the drum.
2. The quick-change device for hot-rolled coiler as described in claim 1, characterized in that, All rollers (13) are made of alloy steel.
3. The quick-change device for hot-rolled coiler as described in claim 1, characterized in that, The adjustment assembly includes a first motor (7), a gear set (8), a second motor (9), a two-way lead screw (10), a flat belt (11), and a second sliding frame (12). The first sliding frame (5) is connected to the right side of the first motor (7). The first motor (7) and the processor are electrically connected through a control module. The output shaft of the first motor (7) is connected to the lower part of the support frame (6) with a gear set (8). The support frame (6) is connected to the right side of the second motor (9). The second motor (9) and the processor are electrically connected through a control module. The support frame (6) is rotatably connected to both the front and rear parts with a two-way lead screw (10). The rear two-way lead screw (10) is connected to the output shaft of the second motor (9). The two-way lead screw (10) is connected to the right side of the two-way lead screw (10) through a pulley with a flat belt (11). The two-way lead screw (10) is threadedly connected to the left and right sides with a second sliding frame (12). The second sliding frame (12) is slidably connected to the support frame (6). The upper part of the second sliding frame (12) is also rotatably connected to two left and right rollers (13).
4. The quick-change device for hot-rolled coiler as described in claim 3, characterized in that, The gear set (8) includes a gear and a gear ring. The output shaft of the first motor (7) is connected to a gear, and the lower part of the support frame (6) is connected to a gear ring. The gear ring and the gear mesh with each other.
5. The quick-change device for hot-rolled coiler as described in claim 1, characterized in that, The fixing components include a third motor (14), a winding drum (15), and a fixing belt (16). The second sliding frame (12) is connected to two front and rear third motors (14) on the opposite sides. The third motors (14) and the processor are electrically connected through a control module. The winding drums (15) are rotatably connected to both the front and rear parts of the second sliding frame (12). The winding drums (15) are connected to the output shafts of the adjacent third motors (14). The two winding drums (15) on the same second sliding frame (12) are connected to a fixing belt (16).
6. The quick-change device for hot-rolled coiler as described in claim 5, characterized in that, The winding drum (15) is I-shaped.