A hot rolling mill for manufacturing a nickel strip

Abstract

The application discloses a hot rolling mill for manufacturing nickel strips and relates to the technical field of hot rolling mills. Specifically, the hot rolling mill comprises a machine body, the inside of the machine body is provided with a first back plate, a second back plate and a first sliding rail, and the outside of the machine body is fixedly connected with a fixed plate. The hot rolling mill further comprises a processing mechanism for preheating nickel strips before hot rolling, the processing mechanism is arranged in the inside of the machine body, the processing mechanism comprises a second sliding rail, the inside of the second sliding rail is slidably connected with a first sliding plate, the top of the first sliding plate is fixedly connected with an adjusting column, the outside of the adjusting column is fixedly connected with a air supply assembly, and the bottom of the air supply assembly is provided with a rotating assembly. A pushing mechanism is arranged on the outside of the fixed plate and is used for pushing and transporting the hot-rolled thick nickel strips. The pushing mechanism comprises a fourth telescopic rod. The hot rolling mill for manufacturing nickel strips can improve the use efficiency of the equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hot rolling mill, in particular to a hot rolling mill for nickel strip manufacturing. BACKGROUND

[0002] Hot rolling is relative to cold rolling, cold rolling is rolling below recrystallization temperature, and hot rolling is rolling above recrystallization temperature. When rolling, the metal is plastic and the deformation resistance is low, which greatly reduces the energy consumption of metal deformation. Hot rolling can improve the processing performance of metal and alloy, that is, the coarse grains in the casting state are broken, the cracks are significantly healed, the casting defects are reduced or eliminated, the casting structure is changed into deformation structure, and the processing performance of the alloy is improved.

[0003] The current hot rolling mill for nickel strip manufacturing, when hot rolling the nickel strip, due to the impurities attached to the surface of the nickel strip raw material, the impurity particles are in contact with the roller, which easily leads to local unevenness of the nickel strip. SUMMARY

[0004] To solve the above technical problems, the present application provides a hot rolling mill for nickel strip manufacturing, which specifically comprises:

[0005] The machine body is internally provided with a first back plate, a second back plate and a first sliding rail, and the machine body is externally fixedly connected with a fixed plate;

[0006] The hot rolling mill for nickel strip manufacturing further comprises:

[0007] The processing mechanism is used for preheating the nickel strip before hot rolling, and is arranged in the interior of the machine body. The processing mechanism comprises a second sliding rail, the interior of the second sliding rail is slidably connected with a first sliding plate, the top of the first sliding plate is fixedly connected with an adjusting column, the exterior of the adjusting column is fixedly connected with a air supply assembly, and the bottom of the air supply assembly is provided with a rotating assembly.

[0008] The pushing mechanism is used for pushing and transporting the hot-rolled thick nickel strip, and is fixedly connected to the exterior of the fixed plate. The pushing mechanism comprises a fourth telescopic rod, the exterior of the fourth telescopic rod is fixedly connected with a connecting frame, and the fourth telescopic rod is fixedly connected to the exterior of the fixed plate.

[0009] Preferably, the second sliding rail is provided with two, one of which is arranged on the top of the first back plate, and the other of which is arranged on the top of the second back plate.

[0010] Preferably, the interior of the first back plate is provided with a first fixed groove, the interior of the first fixed groove is fixedly connected with a motor box, the exterior of the motor box is provided with a clamping rod, the interior of the motor box is provided with a motor, the clamping rod is fixedly connected with the output end of the motor, and the motor box is provided with two.

[0011] Preferably, the second back plate is internally provided with a second fixing groove, and a fixing cylinder is fixedly connected inside the second fixing groove, and the fixing cylinder is provided with two.

[0012] Preferably, the first sliding rail is externally provided with an extension plate, a first telescopic rod is fixedly connected to the top of the extension plate, a first inclined plate is fixedly connected to the top of the first telescopic rod, the first sliding rail is internally slidably connected with a second sliding plate, and the second sliding plate is used for scraping the lower surface of the nickel strip.

[0013] Preferably, the air supply assembly comprises a fixing frame, a second telescopic rod is fixedly connected to the bottom of the fixing frame, a top plate is fixedly connected to the bottom of the second telescopic rod, the fixing frame is fixedly connected to the outside of the adjusting column, and the fixing frame is fixedly connected with a rotating assembly.

[0014] Preferably, the bottom of the top plate is fixedly connected with a second inclined plate used for scraping the upper surface of the nickel strip, the second inclined plate is provided with two and is symmetrically arranged, the upper surfaces of the two second inclined plates are fixedly connected with arc-shaped plates, the outside of the arc-shaped plate is fixedly connected with a bottom plate, and the inside of the bottom plate is provided with a through hole.

[0015] Preferably, the rotating assembly comprises a lifting rod piece, a roller is arranged inside the lifting rod piece, a center plate is fixedly connected inside the roller, a third telescopic rod is fixedly connected to the outside of the center plate, the third telescopic rod is provided with two and is symmetrically arranged, the outside of the two third telescopic rods is fixedly connected with temperature control plates, and the lifting rod piece is fixedly connected to the bottom of the fixing frame.

[0016] Preferably, the outside of the temperature control plate is fixedly connected with a first adjusting rod, the outside of the first adjusting rod is fixedly connected with a moving plate, the outside of the moving plate is fixedly connected with a second adjusting rod, and the outside of the second adjusting rod is fixedly connected with a butt joint cylinder.

[0017] Preferably, the inside of the connecting frame is provided with a fifth telescopic rod, the fifth telescopic rod is provided with two and is symmetrically arranged, the outside of the fifth telescopic rod is fixedly connected with clamping plates used for contacting the nickel strip, the outside of the clamping plate is provided with refrigeration fins, and the clamping plate is provided with two and is symmetrically arranged.

[0018] The application provides a hot rolling mill for manufacturing a nickel strip.

[0019] 1. This hot rolling mill for nickel strip manufacturing incorporates a processing mechanism and a pushing mechanism to preheat or cool the nickel strip before and after hot rolling. During hot rolling of the nickel strip, impurities adhering to the surface of the raw material can easily cause unevenness in the strip due to contact between impurity particles and the rollers. Therefore, the processing and pushing mechanisms are installed to supply air to the upper surface of the nickel strip before hot rolling and to scrape away impurities from both the upper and lower surfaces, thus facilitating the removal of impurities from the top and bottom of the strip and resolving the aforementioned problem.

[0020] 2. This hot rolling mill for nickel strip manufacturing incorporates a processing mechanism to perform air supply and scraping operations on the nickel strip raw material before hot rolling. During the air supply process, the nickel strip raw material is preheated. During the scraping process, impurities on the upper and lower surfaces of the nickel strip are removed. Furthermore, the distance between the first and second inclined plates can be adjusted according to the thickness of the nickel strip, thereby ensuring that the first and second inclined plates contact the nickel strip.

[0021] 3. This hot rolling mill for nickel strip manufacturing uses a rotating assembly to bring the rollers into contact with the nickel strip, preheating the strip before hot rolling. The rotating assembly, in conjunction with a motor, adjusts the lifting rods to bring the upper and lower rollers into contact with the upper and lower surfaces of the nickel strip before hot rolling, preheating the surfaces and promoting strip movement.

[0022] 4. This hot rolling mill for nickel strip manufacturing, through the installation of a pushing mechanism, allows the nickel strip to enter the connecting frame after hot rolling and come into contact with two clamping plates. Temperature is transferred to the nickel strip through cooling plates and the clamping plates, accelerating the cooling process. The spacing between the two clamping plates can be adjusted according to the width of the hot-rolled nickel strip, ensuring contact between the plates and the strip. This horizontal movement of the nickel strip extends its horizontal travel distance, and combined with airflow from the top external duct, further promotes cooling. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the back structure of the present invention;

[0025] Figure 3 This is a schematic diagram of the processing mechanism structure of the present invention;

[0026] Figure 4 For the present invention Figure 3 Schematic diagram of the structure at point A;

[0027] Figure 5 For the present invention Figure 3 Schematic diagram of the structure at point B;

[0028] Figure 6 This is a schematic diagram of the air supply component structure of the present invention;

[0029] Figure 7 Structure diagram of rotating assembly of the present application;

[0030] Figure 8 Structure diagram of the present application Figure 7 at C in the present application;

[0031] Figure 9 Structure diagram of the present application pushing mechanism.

[0032] In the figure: 1, body; 2, first back plate; 3, second back plate; 4, first slide rail; 5, processing mechanism; 501, first fixed groove; 502, second fixed groove; 503, fixed cylinder; 504, second slide rail; 505, first slide plate; 506, adjusting column; 507, air supply assembly; 5071, fixed frame; 5072, second telescopic rod; 5073, top plate; 5074, second inclined plate; 5075, arc plate; 5076, bottom plate; 508, rotating assembly; 5081, lifting rod; 5082, roller; 5083, center plate; 5084, third telescopic rod; 5085, temperature control plate; 5086, first adjusting rod; 5087, moving plate; 5088, second adjusting rod; 5089, butt joint cylinder; 509, motor box; 510, clamping rod; 511, extension plate; 512, first telescopic rod; 513, first inclined plate; 514, second slide plate; 6, fixed plate; 7, pushing mechanism; 701, fourth telescopic rod; 702, connecting frame; 703, fifth telescopic rod; 704, clamping plate; 705, refrigeration piece. DETAILED DESCRIPTION

[0033] The present application will be further described below in conjunction with the drawings and specific embodiments. The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments are chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

[0034] As Figures 1-9 shown, the present application provides a technical solution: specifically including:

[0035] The body 1 is internally provided with the first back plate 2, the second back plate 3 and the first slide rail 4, and externally fixedly connected with the fixed plate 6. Two second slide rails 504 are provided, one of which is arranged at the top of the first back plate 2, and the other is arranged at the top of the second back plate 3.

[0036] The hot rolling mill for manufacturing nickel strips further comprises:

[0037] The processing mechanism 5 is used for preheating treatment of the nickel strip before hot rolling, and the processing mechanism 5 is arranged in the machine body 1. The processing mechanism 5 comprises a second sliding rail 504, the first sliding plate 505 is slidably connected in the second sliding rail 504, the power system is arranged in the first sliding plate 505, the adjusting column 506 is fixedly connected to the top of the first sliding plate 505, the air supply assembly 507 is fixedly connected to the outside of the adjusting column 506, and the rotating assembly 508 is arranged at the bottom of the air supply assembly 507.

[0038] The pushing mechanism 7 is used for pushing and transporting the hot-rolled thick nickel strip, and the pushing mechanism 7 is fixedly connected to the outside of the fixed plate 6. The pushing mechanism 7 comprises a fourth telescopic rod 701, and the connecting frame 702 is fixedly connected to the outside of the fourth telescopic rod 701.

[0039] Before using the equipment, one end of the nickel strip is manually placed in the equipment, and the machine body 1 is started to perform hot rolling work. Before work, the processing mechanism 5 is started to perform pre-treatment work on the nickel strip, and after hot rolling work, the processing mechanism 5 is started to perform cooling treatment on the nickel strip after hot rolling, and the pushing mechanism 7 is started to push and transport the nickel strip after hot rolling.

[0040] The first fixed groove 501 is arranged in the first back plate 2, the motor box 509 is fixedly connected in the first fixed groove 501, the clamping rod 510 is arranged at the outside of the motor box 509, the motor is arranged in the motor box 509, the clamping rod 510 is fixedly connected to the output end of the motor, and the motor box 509 is provided with two.

[0041] The second fixed groove 502 is arranged in the second back plate 3, the fixed cylinder 503 is fixedly connected in the second fixed groove 502, and the fixed cylinder 503 is provided with two.

[0042] The extending plate 511 is arranged at the outside of the first sliding rail 4, the first telescopic rod 512 is fixedly connected to the top of the extending plate 511, the first inclined plate 513 is fixedly connected to the top of the first telescopic rod 512, the second sliding plate 514 is slidably connected in the first sliding rail 4, the power system is arranged in the second sliding plate 514, and the rotating assembly 508 is fixedly connected to the top of the second sliding plate 514.

[0043] Before using the device, according to the thickness of the nickel strip, the stroke of the first telescopic rod 512 is adjusted, and at the same time, the power system in the second sliding plate 514 is turned on, the position of the second sliding plate 514 is adjusted, and then the position of the rotating assembly 508 on the top of the second sliding plate 514 is adjusted. Turn on the first telescopic rod 512, the first telescopic rod 512 drives the first inclined plate 513 to move upward until the first inclined plate 513 is in contact with the lower surface of the nickel strip. As the nickel strip moves into the body 1, the first inclined plate 513 gradually drives the impurities on the lower surface of the nickel strip away from the nickel strip.

[0044] The air supply assembly 507 comprises a fixed frame 5071, the bottom of the fixed frame 5071 is fixedly connected with a second telescopic rod 5072, the bottom of the second telescopic rod 5072 is fixedly connected with a top plate 5073, the fixed frame 5071 is fixedly connected outside the adjusting column 506, and the fixed frame 5071 is fixedly connected with the rotating assembly 508.

[0045] The bottom of the top plate 5073 is fixedly connected with a second inclined plate 5074, the second inclined plate 5074 is provided with two second inclined plates 5074 which are symmetrically arranged, the upper surfaces of the two second inclined plates 5074 are fixedly connected with arc-shaped plates 5075, the outer portions of the arc-shaped plates 5075 are fixedly connected with bottom plates 5076, the inner portions of the bottom plates 5076 are provided with through holes, an external pipeline is manually clamped in the arc-shaped plates 5075, the bottom of the pipeline is in contact with the bottom plates 5076, the through holes are in communication with the pipeline, a fan connected with the external pipeline is turned on, and the temperature of the gas is adjusted. The gas moves outward through the external pipeline and the through holes, air is supplied to the upper surface of the nickel strip, the nickel strip is preheated, and the impurities on the upper surface of the nickel strip are promoted to separate from the nickel strip. According to the thickness of the nickel strip, the stroke of the second telescopic rod 5072 is adjusted, the second telescopic rod 5072 is turned on, and the second telescopic rod 5072 drives the second inclined plate 5074 to move downward until the second inclined plate 5074 is in contact with the upper surface of the nickel strip. As the nickel strip moves into the body 1, the second inclined plate 5074 gradually drives the impurities on the upper surface of the nickel strip away from the nickel strip.

[0046] After the feeding work is completed, the power system in the first sliding plate 505 is turned on to control the first sliding plate 505, the adjusting column 506 and the air supply assembly 507 to move to the other side, the temperature of the fan and the external pipeline used are adjusted, air is supplied to the nickel strip at the discharge position, and the cooling of the nickel strip is promoted.

[0047] The rotating assembly 508 comprises a lifting rod 5081 which is composed of a lifting rod and a fixed ring buckle, the inside of the lifting rod 5081 is provided with a roller 5082, the outside of the roller 5082 is sleeved with a heat conduction layer, and the heat conduction layer can be selected according to the thickness of the nickel strip, so that the heat conduction layer can contact the nickel strip, the outside of the roller 5082 is provided with a clamping ring, the clamping ring is clamped with the fixed ring buckle, the roller 5082 is limited, so that the roller 5082 cannot move left and right, the inside of the roller 5082 is fixedly connected with a center plate 5083, the outside of the center plate 5083 is fixedly connected with a third telescopic rod 5084, the third telescopic rod 5084 is provided with two and is symmetrically arranged, the outside of the two third telescopic rods 5084 is fixedly connected with a temperature control plate 5085, and the lifting rod 5081 is fixedly connected at the bottom of the fixed frame 5071.

[0048] The outside of the temperature control plate 5085 is fixedly connected with a first adjusting rod 5086, the outside of the first adjusting rod 5086 is fixedly connected with a moving plate 5087, the outside of the moving plate 5087 is fixedly connected with a second adjusting rod 5088, and the outside of the second adjusting rod 5088 is fixedly connected with a butt joint cylinder 5089.

[0049] Before using the equipment, the lifting rod 5081 is started, so that the roller 5082 is aligned with the clamping rod 510 and the fixed cylinder 503. The third telescopic rod 5084 is started, the third telescopic rod 5084 drives the temperature control plate 5085, the first adjusting rod 5086, the moving plate 5087, the second adjusting rod 5088 and the butt joint cylinder 5089 to move outward until the butt joint cylinder 5089 is clamped and connected with the clamping rod 510, and the other butt joint cylinder 5089 enters the fixed cylinder 503. The motor is started, the motor drives the butt joint cylinder 5089 to rotate, and then drives the roller 5082 to rotate, the roller 5082 contacts the nickel strip, and heat is transferred to the nickel strip to preheat the nickel strip.

[0050] The inside of the connecting frame 702 is provided with a fifth telescopic rod 703, the fifth telescopic rod 703 is provided with two and is symmetrically arranged, the outside of the fifth telescopic rod 703 is fixedly connected with a clamping plate 704, the outside of the clamping plate 704 is provided with a refrigerating fin 705, and the clamping plate 704 is provided with two and is symmetrically arranged.

[0051] After the hot rolling work is finished, the fifth telescopic rod 703 is started, the fifth telescopic rod 703 drives the clamping plate 704 to move to the direction of the nickel strip, the clamping plate 704 contacts the nickel strip to cool the nickel strip, the fourth telescopic rod 701 is started, the fourth telescopic rod 701 drives the connecting frame 702 to move away from the machine body 1, and then drives the nickel strip to move in the horizontal direction, then the fifth telescopic rod 703 is adjusted to the initial state, and then the fourth telescopic rod 701 is adjusted to the initial state, and the work is repeated.

[0052] Working principle: before using the device, manually put one end of the nickel strip into the device, turn on the body 1, and perform hot rolling work.

[0053] Before using the device, adjust the stroke of the first telescopic rod 512 according to the thickness of the nickel strip, and at the same time, turn on the power system in the second sliding plate 514 to adjust the position of the second sliding plate 514, and then adjust the position of the rotating assembly 508 on the top of the second sliding plate 514. Turn on the first telescopic rod 512, the first telescopic rod 512 drives the first inclined plate 513 to move upward until the first inclined plate 513 is in contact with the lower surface of the nickel strip. As the nickel strip moves into the body 1, the first inclined plate 513 gradually drives the impurities on the lower surface of the nickel strip to separate from the nickel strip.

[0054] Manually insert the external pipeline into the arc-shaped plate 5075, the bottom of the pipeline is in contact with the bottom plate 5076, the through hole is in communication with the pipeline, turn on the fan connected to the external pipeline, and adjust the temperature of the gas. The gas moves outward through the external pipeline and the through hole to supply air to the upper surface of the nickel strip, preheat the nickel strip, and promote the impurities on the upper surface of the nickel strip to separate from the nickel strip. Adjust the stroke of the second telescopic rod 5072 according to the thickness of the nickel strip, turn on the second telescopic rod 5072, and the second telescopic rod 5072 drives the second inclined plate 5074 to move downward until the second inclined plate 5074 is in contact with the upper surface of the nickel strip. As the nickel strip moves into the body 1, the second inclined plate 5074 gradually drives the impurities on the upper surface of the nickel strip to separate from the nickel strip.

[0055] Before using the device, turn on the lifting rod 5081 to align the roller 5082 with the clamping rod 510 and the fixed cylinder 503. Turn on the third telescopic rod 5084, which drives the temperature control plate 5085, the first adjusting rod 5086, the moving plate 5087, the second adjusting rod 5088, and the butt cylinder 5089 to move outward until the butt cylinder 5089 is connected with the clamping rod 510, and the other side of the butt cylinder 5089 enters the fixed cylinder 503. Turn on the motor, which drives the butt cylinder 5089 to rotate, and then drives the roller 5082 to rotate, which transmits heat to the nickel strip to preheat the nickel strip.

[0056] After hot rolling work, turn on the processing mechanism 5 to cool the nickel strip after hot rolling. After the feeding work is completed, the first sliding plate 505, the adjusting column 506, and the air supply assembly 507 can be moved to the other side by turning on the power system in the first sliding plate 505, adjusting the temperature of the fan and the external pipeline used, to supply air to the nickel strip at the discharge position and promote the cooling of the nickel strip.

[0057] At the same time, the pushing mechanism 7 is opened, and the hot-rolled nickel belt is pushed. After the hot-rolling work is completed, the fifth telescopic rod 703 is opened, the fifth telescopic rod 703 drives the clamping plate 704 to move to the direction of the nickel belt, the clamping plate 704 contacts the nickel belt, the nickel belt is cooled, the fourth telescopic rod 701 is opened, the fourth telescopic rod 701 drives the connecting frame 702 to move away from the machine body 1, and then drives the nickel belt to move in the horizontal direction, then the fifth telescopic rod 703 is adjusted to the initial state, and then the fourth telescopic rod 701 is adjusted to the initial state, and the work is repeated.

[0058] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A hot rolling mill for manufacturing nickel strip, comprising specifically: a machine body (1), characterized in that the inside of the machine body (1) is provided with a first back plate (2), a second back plate (3) and a first sliding rail (4), and the outside of the machine body (1) is fixedly connected with a fixed plate (6); The hot rolling mill for manufacturing nickel strip further comprises: a processing mechanism (5) for preheating the nickel strip before hot rolling, which is arranged in the inside of the machine body (1) and comprises a second sliding rail (504), the inside of which is slidingly connected with a first sliding plate (505), the top of which is fixedly connected with an adjusting column (506), the outside of which is fixedly connected with a air supply assembly (507), the bottom of which is provided with a rotating assembly (508); The air supply assembly (507) comprises a fixed frame (5071), the bottom of which is fixedly connected with a second telescopic rod (5072), the bottom of which is fixedly connected with a top plate (5073), the fixed frame (5071) is fixedly connected to the outside of the adjusting column (506), and the fixed frame (5071) is fixedly connected with the rotating assembly (508); The bottom of the top plate (5073) is fixedly connected with a second inclined plate (5074), the second inclined plate (5074) is provided with two, and is symmetrically arranged, the upper surfaces of the two second inclined plates (5074) are fixedly connected with arc-shaped plates (5075), the outside of the arc-shaped plates (5075) is fixedly connected with a bottom plate (5076), and the inside of the bottom plate (5076) is provided with a through hole; The rotating assembly (508) comprises a lifting rod (5081), the inside of which is provided with a roller (5082), the inside of which is fixedly connected with a center plate (5083), the outside of which is fixedly connected with a third telescopic rod (5084), the third telescopic rod (5084) is provided with two, and is symmetrically arranged, the outside of the two third telescopic rods (5084) is fixedly connected with a temperature control plate (5085), and the lifting rod (5081) is fixedly connected to the bottom of the fixed frame (5071); The outside of the temperature control plate (5085) is fixedly connected with a first adjusting rod (5086), the outside of the first adjusting rod (5086) is fixedly connected with a moving plate (5087), the outside of the moving plate (5087) is fixedly connected with a second adjusting rod (5088), and the outside of the second adjusting rod (5088) is fixedly connected with a butt joint cylinder (5089). Pushing mechanism (7) for pushing and transporting hot thick nickel strip, the pushing mechanism (7) is fixedly connected outside the fixed plate (6), the pushing mechanism (7) includes the fourth telescopic rod (701), the fourth telescopic rod (701) is fixedly connected with the connecting frame (702) outside, the fourth telescopic rod (701) is fixedly connected outside the fixed plate (6).

2. The hot rolling mill for manufacturing a nickel strip according to claim 1, characterized in that: Two second sliding rails (504) are arranged, one second sliding rail (504) is arranged on the top of the first back plate (2), and the other second sliding rail (504) is arranged on the top of the second back plate (3).

3. The hot rolling mill for manufacturing a nickel strip according to claim 1, characterized in that: The first fixed groove (501) is arranged in the first back plate (2), the motor box (509) is fixedly connected in the first fixed groove (501), the clamping rod (510) is arranged on the outside of the motor box (509), the motor is arranged in the motor box (509), the clamping rod (510) is fixedly connected with the output end of the motor, and the motor box (509) is provided with two.

4. The hot rolling mill for manufacturing a nickel strip according to claim 1, characterized by: The second fixed groove (502) is arranged in the second back plate (3), the fixed cylinder (503) is fixedly connected in the second fixed groove (502), and the fixed cylinder (503) is provided with two.

5. The hot rolling mill for manufacturing a nickel strip according to claim 1, characterized in that: The extension plate (511) is arranged on the outside of the first sliding rail (4), the first telescopic rod (512) is fixedly connected to the top of the extension plate (511), the first inclined plate (513) is fixedly connected to the top of the first telescopic rod (512), and the second sliding plate (514) is slidably connected in the first sliding rail (4).

6. The hot rolling mill for manufacturing a nickel strip according to claim 1, characterized in that: The fifth telescopic rod (703) is arranged in the connecting frame (702), the fifth telescopic rod (703) is provided with two and is symmetrically arranged, the clamping plate (704) is fixedly connected to the outside of the fifth telescopic rod (703), the refrigeration fin (705) is arranged on the outside of the clamping plate (704), the clamping plate (704) is provided with two and is symmetrically arranged.

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