Hot rolling unit outlet guide plate device

Abstract

The utility model relates to the technical field of aluminum plate production, in particular to a hot rolling unit outlet guide plate device, an upper guide plate mechanism comprises a pinch roll frame, an upper inlet guide plate, an upper outlet guide plate, an upper guide plate and two fixing seats, the upper inlet guide plate is arranged on the inner side of the pinch roll frame, the upper outlet guide plate is fixedly arranged at the bottom of the pinch roll frame, and the two fixing seats are arranged on the upper guide plate. A rotating shaft is fixedly arranged between the two fixing seats, one end of an upper guide plate is rotationally arranged on the rotating shaft in a sleeving mode, and push-pull connecting plates are rotationally arranged on the two sides of the upper guide plate; the lower guide plate mechanism comprises a lower inlet guide plate, a lower outlet guide plate, a lower guide plate and two lifting assemblies, the lower inlet guide plate is arranged on the inner side of the guide roller, the lower outlet guide plate is arranged on the outer side of the guide roller, and the lifting assemblies are connected with the push-pull connecting plate. The aluminum plate strip reshaping device can reshape an aluminum plate strip stub bar, enables an aluminum plate strip to be bent to change the conveying direction of the aluminum plate strip, facilitates winding of the rolled aluminum plate strip on the reel, and improves the strip penetrating speed and the production efficiency of the aluminum plate strip.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum plate production, in particular to an outlet guide plate device of a hot rolling mill. Background Art

[0002] The main production equipment in the hot rolling workshop for aluminum plate and strip processing is usually the hot rolling unit. The heated aluminum plate ingots are repeatedly rolled by the hot rolling unit, and finally the aluminum plate ingots are rolled into 2.2-16mm hot-rolled aluminum plates and strips. The entire rolling process is completed by the hot rolling unit.

[0003] After the aluminum strip is rolled, it is usually wound into a coil by rotating the reel at the exit of the hot rolling unit. However, when the aluminum strip is threaded, the head of the aluminum strip may bend up or down, which may make it difficult to wind the aluminum strip on the reel into a coil, especially when the thickness of the aluminum strip is thicker. The head of the aluminum strip is more difficult to wind on the reel. And when the threading speed of the aluminum strip is too fast, the aluminum strip is not easy to wind on the reel, and the head of the aluminum strip is prone to miss the reel. Summary of the invention

[0004] The utility model aims to solve the problem that the aluminum strip is not easy to be wound on the reel after the rolling, and provides a hot rolling unit outlet guide plate device, which can shape the aluminum strip head, bend the aluminum strip and change the transmission direction of the aluminum strip, so as to facilitate the winding of the rolled aluminum strip on the reel, and improve the threading speed and production efficiency of the aluminum strip.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a hot rolling mill exit guide device, including a ground foundation and guide rollers, also including an upper guide plate mechanism and a lower guide plate mechanism, the upper guide plate mechanism includes a pinch roller frame, an upper inlet guide plate, an upper outlet guide plate, an upper guide plate and two fixed seats, the upper inlet guide plate is arranged on the inner side of the pinch roller frame, the upper outlet guide plate is fixedly arranged at the bottom of the pinch roller frame, a rotating shaft is fixedly arranged between the two fixed seats, one end of the upper guide plate is rotatably sleeved on the rotating shaft, and push-pull connecting plates are rotatably arranged on both sides of the upper guide plate.

[0006] The lower guide plate mechanism includes a lower inlet guide plate, a lower outlet guide plate, a lower guide plate and two lifting assemblies. The lower inlet guide plate is arranged on the inner side of the guide roller, and the lower outlet guide plate is arranged on the outer side. The lifting assembly is arranged on the ground foundation. The lifting assembly is connected to the push-pull connecting plate. The lifting assembly is also rotatably connected to a Z-shaped arm, and the Z-shaped arm is fixedly connected to the lower guide plate. The upper inlet guide plate and the lower inlet guide plate are used to allow the aluminum strip to pass through the clamping roller and the guide roller; the upper outlet guide plate and the lower outlet guide plate are used to facilitate the aluminum strip to move between the upper guide plate and the lower guide plate. The upper guide plate and the lower guide plate play a shaping role on the material head of the aluminum strip, and can also bend the aluminum strip to change the transmission direction of the aluminum strip, thereby guiding the aluminum strip.

[0007] Furthermore, the upper inlet guide plate is arranged to be tilted downward toward the direction of the guide roller, and the pinch roller frame is rotatably sleeved on the rotating shaft.

[0008] Furthermore, connecting shafts are provided on both sides of the upper guide plate, one end of the push-pull connecting plate is rotatably sleeved on the connecting shaft, and the other end is fixedly connected to a sleeve, so that the lifting assembly drives the upper guide plate to lift or press down through the cooperation between the push-pull connecting plate, the connecting shaft and the sleeve.

[0009] Furthermore, the lower inlet guide plate is horizontally arranged on the inner side of the guide roller, and the lower outlet guide plate is arranged on the outer side of the guide roller at an angle downward; a bracket is fixedly arranged on the ground foundation, and the lower inlet guide plate and the lower outlet guide plate are both arranged on the bracket, and the bracket is used to install the lower inlet guide plate and the lower outlet guide plate.

[0010] Furthermore, two mounting frames are fixedly arranged on the ground foundation, and shaft seats are arranged on the tops of the two mounting frames. A fixed shaft is fixedly arranged between the two shaft seats, and the middle part of the Z-shaped arm is rotatably sleeved on the fixed shaft. The purpose is to facilitate the lifting assembly to drive the Z-shaped arm to rotate, so that the Z-shaped arm drives the lower guide plate to be lifted or pressed down.

[0011] Furthermore, the lifting assembly includes an articulated seat and a hydraulic cylinder, the articulated seat is fixedly set on the ground foundation, the tail end of the hydraulic cylinder is hinged to the articulated seat, the end of the piston rod of the hydraulic cylinder is provided with an ear plate, a joint bearing is fixedly set on the ear plate, and a pin shaft is provided in the inner sleeve of the inner ring of the joint bearing.

[0012] Furthermore, one end of the Z-shaped arm is sleeved on the pin shaft, and the other end is fixedly connected to the lower guide plate; the sleeve is rotatably sleeved on the end of the pin shaft, and under the action of the pin shaft and the joint bearing, and the cooperation with the sleeve and the Z-shaped arm, the upper guide plate can be lifted or pressed down, and the lower guide plate can be pressed down or lifted through the hydraulic cylinder.

[0013] Through the above technical solution, the beneficial effects of the utility model are:

[0014] The utility model has a reasonable structure and good use effect. It can quickly and effectively shape the aluminum plate strip material head, bend the aluminum plate strip to change the transmission direction of the aluminum plate strip, and have the effect of shaping and guiding the aluminum plate strip, thereby facilitating the winding of the rolled aluminum plate strip on the reel, thereby improving the aluminum plate strip threading speed and production efficiency.

[0015] The utility model facilitates the aluminum plate strip to pass through the pinch roller and the guide roller through the upper entrance guide plate and the lower entrance guide plate. The purpose of the downwardly inclined upper entrance guide plate is to guide the aluminum plate strip. When the aluminum plate strip head contacts the upper entrance guide plate, the aluminum plate strip head can slide downward to pass between the pinch roller and the guide roller.

[0016] The utility model facilitates the aluminum strip to move between the upper guide plate and the lower guide plate through the upper outlet guide plate and the lower guide plate, so that the upper guide plate and the lower guide plate can shape the aluminum strip and change the transmission direction of the aluminum strip.

[0017] The utility model relates to a hydraulic oil cylinder which, under the action of the pin shaft and the joint bearing, extends a piston rod of the hydraulic oil cylinder to cause the Z-shaped arm to rotate counterclockwise on the fixed shaft, the Z-shaped arm drives the lower guide plate to be pressed down, and causes the push-pull connecting plate to push the upper guide plate upward to lift the upper guide plate; when the piston rod of the hydraulic oil cylinder is retracted, the Z-shaped arm drives the lower guide plate to be lifted, and the push-pull connecting plate drives the upper guide plate to be pressed down, thereby achieving the effect of shaping the aluminum plate strip and changing the transmission direction of the aluminum plate strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a hot rolling mill exit guide plate device of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the upper guide plate mechanism of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the lower guide plate mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the use state structure of the utility model Figure 1 ;

[0022] Figure 5 This is a schematic diagram of the use state structure of the utility model Figure 2 .

[0023] The numbers in the accompanying drawings are: 1 is the pinch roller frame, 2 is the upper inlet guide plate, 4 is the upper outlet guide plate, 5 is the rotating shaft, 6 is the fixed seat, 7 is the upper guide plate, 8 is the connecting shaft, 9 is the lower inlet guide plate, 10 is the lower outlet guide plate, 11 is the ground foundation, 12 is the articulated seat, 13 is the hydraulic cylinder, 14 is the ear plate, 15 is the pin shaft, 16 is the Z-arm, 17 is the lower guide plate, 18 is the mounting frame, 19 is the shaft seat, 20 is the fixed shaft, 21 is the sleeve, and 22 is the push-pull connecting plate. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0025] like Figure 1 to Figure 5 As shown, an outlet guide plate device of a hot rolling mill unit includes a ground foundation 11 and guide rollers, and also includes an upper guide plate mechanism and a lower guide plate mechanism. Through the cooperation of the upper guide plate mechanism and the lower guide plate mechanism, the aluminum strip is guided, shaped and the transmission direction of the aluminum strip is changed. The upper guide plate mechanism includes a pinch roller frame 1, an upper entrance guide plate 2, an upper exit guide plate 4, an upper guide plate 7 and two fixed seats 6. The upper entrance guide plate 2 is arranged on the inner side of the pinch roller frame 1. The upper entrance guide plate 2 is bolted to the pinch roller frame 1. The upper entrance guide plate 2 includes an upper inclined portion and a lower inclined portion. The angle between the upper inclined portion and the horizontal plane is greater than the angle between the lower inclined portion and the horizontal plane. There is a gap between the lower end of the upper entrance guide plate 2 and the pinch roller; the upper exit guide plate 4 is fixedly arranged at the bottom of the pinch roller frame 1. The upper exit guide plate 4 and the pinch roller are connected to the upper exit guide plate 4. The feed roller frame 1 is connected by bolts, and the pinch roller frame 1 is provided with strip holes for the bolts to pass through. The position of the upper outlet guide plate 4 can be adjusted by cooperating with the bolts and nuts to change the spacing between the upper outlet guide plate 4 and the pinch roller, and there is always a gap between the right end of the upper outlet guide plate 4 and the pinch roller; a rotating shaft 5 is fixedly arranged between the two fixed seats 6, and one end of the upper guide plate 7 is rotatably sleeved on the rotating shaft 5, and a support column is fixedly installed on the ground foundation 11, and the fixed seat 6 is installed to the top of the support column, and one end of the upper guide plate 7 is fixedly installed with a shaft sleeve, which is rotatably sleeved on the rotating shaft 5, and push-pull connecting plates 22 are rotatably arranged on both sides of the upper guide plate 7, and the number of the push-pull connecting plates 22 is two, and the push-pull connecting plates 22 can drive the upper guide plate 7 to lift or press down through the cooperation of the push-pull connecting plates 22 and the lifting assembly.

[0026] The lower guide plate mechanism includes a lower inlet guide plate 9, a lower outlet guide plate 10, a lower guide plate 17 and two lifting assemblies. The lower inlet guide plate 9 is arranged on the inner side of the guide roller, and the lower outlet guide plate 10 is arranged on the outer side. The lifting assembly is arranged on the ground foundation 11. The lifting assembly is connected to the push-pull connecting plate 22. The lifting assembly is also rotatably connected to the Z-shaped arm 16. The Z-shaped arm 16 is fixedly connected to the lower guide plate 17. The lifting assembly cooperates with the push-pull connecting plate 22 and the Z-shaped arm 16 to make the upper The guide plate 7 performs lifting or pressing movement and the lower guide plate 17 performs pressing or lifting movement; wherein the cooperation between the upper inlet guide plate 2 and the lower inlet guide plate 9 guides the aluminum strip so that it passes between the clamping roller and the guide roller; the cooperation between the upper outlet guide plate 4 and the lower outlet guide plate 10 guides the aluminum strip so that it moves between the upper guide plate 7 and the lower guide plate 17; wherein the upper guide plate 7 and the lower guide plate 17 are both tilted downward in the direction of the reel when in the initial state.

[0027] The upper entrance guide plate 2 is tilted downward in the direction of the guide roller, which guides the aluminum strip. When the head of the aluminum strip contacts the upper entrance guide plate 2, the head of the aluminum strip can slide downward to pass between the pinch roller and the guide roller. The pinch roller frame 1 is rotatably mounted on the rotating shaft 5, so that the pinch roller frame 1 can rotate relative to the rotating shaft 5.

[0028] Connecting shafts 8 are provided on both sides of the upper guide plate 7. One end of the push-pull connecting plate 22 is rotatably sleeved on the connecting shaft 8, and the other end is fixedly connected to the sleeve 21. Through the cooperation between the push-pull connecting plate 22, the connecting shaft 8 and the sleeve 21, the lifting assembly drives the upper guide plate 7 to lift or press down.

[0029] The lower inlet guide plate 9 is horizontally arranged on the inner side of the guide roller, and the lower outlet guide plate 10 is arranged on the outer side of the guide roller at an angle downward; a bracket is fixedly arranged on the ground foundation 11, and the lower inlet guide plate 9 and the lower outlet guide plate 10 are both arranged on the bracket, and the lower inlet guide plate 9 and the lower outlet guide plate 10 are bolted to the bracket.

[0030] Two mounting frames 18 are fixedly arranged on the ground foundation 11, and shaft seats 19 are arranged on the tops of the two mounting frames 18. A fixed shaft 20 is fixedly arranged between the two shaft seats 19, and the middle part of the Z-shaped arm 16 is rotatably sleeved on the fixed shaft 20. When the lifting assembly moves, the middle part of the Z-shaped arm 16 rotates on the fixed shaft 20, and the Z-shaped arm 16 drives the lower guide plate 17 to lift or press down.

[0031] The lifting assembly includes an articulated seat 12 and a hydraulic cylinder 13. The articulated seat 12 is fixedly set on the ground foundation 11. The height of the articulated seat 12 is lower than the height of the mounting frame 18. The tail end of the hydraulic cylinder 13 is hinged to the articulated seat 12. The piston rod end of the hydraulic cylinder 13 is provided with an ear plate 14. A spherical bearing is fixedly set on the ear plate 14. A through hole is opened on the ear plate 14. The spherical bearing is installed inside the through hole. A pin shaft 15 is sleeved inside the inner ring of the spherical bearing.

[0032] One end of the Z-shaped arm 16 is fixedly sleeved on the pin shaft 15 , and the other end is fixedly connected to the lower guide plate 17 ; the sleeve 21 is rotatably sleeved on the end of the pin shaft 15 .

[0033] The working principle of the utility model is as follows: after the aluminum strip is rolled, the aluminum strip passes through the upper inlet guide plate 2 and the lower inlet guide plate 9, and the upper inlet guide plate 2 and the lower inlet guide plate 9 allow the aluminum strip to pass between the pinch roller and the guide roller. After passing through the pinch roller and the guide roller, the aluminum strip passes through the upper outlet guide plate 4 and the lower outlet guide plate 10, and the upper outlet guide plate 4 and the lower outlet guide plate 10 allow the aluminum strip to move between the upper guide plate 7 and the lower guide plate 17. After the aluminum strip passes through the upper guide plate 7 and the lower guide plate 17, the upper guide plate 7 and the lower guide plate 17 shape the aluminum strip and bend the aluminum strip. The transmission direction of the aluminum strip is changed so that the aluminum strip is transmitted toward the direction of the reel. The reel rotates to wind the aluminum strip into a coil. When the aluminum strip is wound on the reel for 3 turns and the winding tension is established, the upper guide plate 7 and the lower guide plate 17 are quickly opened by the hydraulic cylinder 13. The two hydraulic cylinders 13 are started, and the piston rod of the hydraulic cylinder 13 extends. The pin 15 at its end pushes the Z-arm 16 and the push-pull connecting plate 22. The Z-arm 16 rotates on the fixed shaft 20. The Z-arm 16 drives the lower guide plate 17 to rotate and press down, and the push-pull connecting plate 22 drives the upper guide plate 7 to rotate and lift. At the same time, the upper inlet guide plate 2 and the upper outlet guide plate 4 are quickly lifted following the pinch roller, and the machine train is quickly accelerated and enters the working state, so that the aluminum strip is quickly wound into a coil. The maximum threading speed of the aluminum strip of the original machine train of the hot rolling mill is 1m / s. The threading speed of the aluminum strip of the hot rolling mill is increased to 3-5 m / s by the device, which meets the speed-up requirements.

[0034] The embodiments described above are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, all equivalent changes or modifications made according to the technical solutions described in the patent scope of the utility model should be included in the scope of the patent application of the utility model.

Claims

1. A hot rolling mill exit guide plate device, comprising a ground foundation (11) and guide rollers, characterized in that: It also includes an upper guide plate mechanism and a lower guide plate mechanism, wherein the upper guide plate mechanism includes a pinch roller frame (1), an upper inlet guide plate (2), an upper outlet guide plate (4), an upper guide plate (7) and two fixed seats (6), wherein the upper inlet guide plate (2) is arranged on the inner side of the pinch roller frame (1), the upper outlet guide plate (4) is fixedly arranged on the bottom of the pinch roller frame (1), a rotating shaft (5) is fixedly arranged between the two fixed seats (6), one end of the upper guide plate (7) is rotatably sleeved on the rotating shaft (5), and push-pull connecting plates (22) are rotatably arranged on both sides of the upper guide plate (7); The lower guide plate mechanism comprises a lower inlet guide plate (9), a lower outlet guide plate (10), a lower guide plate (17) and two lifting assemblies. The lower inlet guide plate (9) is arranged on the inner side of the guide roller, and the lower outlet guide plate (10) is arranged on the outer side. The lifting assembly is arranged on the ground foundation (11). The lifting assembly is connected to the push-pull connecting plate (22). The lifting assembly is also rotatably connected to a Z-shaped arm (16). The Z-shaped arm (16) is fixedly connected to the lower guide plate (17).

2. A hot rolling mill exit guide plate device according to claim 1, characterized in that: The upper inlet guide plate (2) is arranged to be tilted downward in the direction of the guide roller, and the pinch roller frame (1) is rotatably sleeved on the rotating shaft (5).

3. A hot rolling mill exit guide plate device according to claim 2, characterized in that: Connecting shafts (8) are provided on both sides of the upper guide plate (7); one end of the push-pull connecting plate (22) is rotatably sleeved on the connecting shaft (8) and the other end is fixedly connected to a sleeve (21).

4. A hot rolling mill exit guide plate device according to claim 1, characterized in that: The lower inlet guide plate (9) is horizontally arranged on the inner side of the guide roller, and the lower outlet guide plate (10) is arranged on the outer side of the guide roller in a downwardly inclined manner; a bracket is fixedly arranged on the ground foundation (11), and the lower inlet guide plate (9) and the lower outlet guide plate (10) are both arranged on the bracket.

5. The hot rolling mill exit guide plate device according to claim 1, characterized in that: Two mounting frames (18) are fixedly arranged on the ground foundation (11), axle seats (19) are arranged on the tops of the two mounting frames (18), a fixed shaft (20) is fixedly arranged between the two shaft seats (19), and the middle part of the Z-shaped arm (16) is rotatably sleeved on the fixed shaft (20).

6. The hot rolling mill exit guide plate device according to claim 3, characterized in that: The lifting assembly comprises an articulated seat (12) and a hydraulic cylinder (13); the articulated seat (12) is fixedly arranged on a ground foundation (11); the rear end of the hydraulic cylinder (13) is hinged to the articulated seat (12); an ear plate (14) is arranged at the end of the piston rod of the hydraulic cylinder (13); a spherical bearing is fixedly arranged on the ear plate (14); and a pin shaft (15) is sleeved in the inner ring of the spherical bearing.

7. A hot rolling mill exit guide plate device according to claim 6, characterized in that: One end of the Z-shaped arm (16) is sleeved on the pin shaft (15), and the other end is fixedly connected to the lower guide plate (17); the sleeve (21) is rotatably sleeved on the end of the pin shaft (15).

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