Shearing device for aluminum strip tail production

Abstract

The present disclosure relates to the technical field of metal cutting device, and one embodiment of the present disclosure provides a shearing device for aluminum strip tail production, which comprises a bottom plate, vertical plates are fixedly connected to the left and right sides of the middle part of the upper surface of the bottom plate, and a connecting plate, an insertion block, a clamping block, a driving rod and a driven rod are arranged in the present disclosure. When the first motor starts to operate, the circular shaft and the driving rod start to rotate, at this time, the two ends of the driving rod drive the driven rod, so that the two driven rods start to rotate, at the same time, the other end of the driven rod drives the clamping block, so that the two clamping blocks start to move towards each other, and finally the two clamping blocks are separated from the inner surface of the insertion block, at this time, the fixing of the insertion block and the connecting plate as a whole is released, so that the convenient disassembly and assembly of the connecting plate and the cutter as a whole are realized. Through the above technical scheme, the technical problem that the cutter is inconvenient to replace in the prior art is solved.

Description

Technical Field

[0001] The embodiments disclosed herein relate to the field of metal cutting apparatus technology, and more specifically, to a shearing apparatus for producing aluminum strip tail material. Background Technology

[0002] Aluminum strip tailings are the scraps and defective segments generated during the rolling, slitting, or deep processing of aluminum strips. They mainly include head and tail materials, trimmed edges, and residual parts after stamping. These tailings still retain the original mechanical properties and chemical composition of the aluminum strip and have high recycling value. Through professional sorting, collection, crushing, cleaning, and remelting refining processes, they can be recycled into qualified aluminum ingots and reintroduced into the production process. In the aluminum processing industry, tailings management is an important part of quality control and cost control. A scientific tailings recycling system can not only improve the utilization rate of raw materials but also reduce energy consumption and environmental pollution.

[0003] In the existing technology, a shearing device is generally required when cutting aluminum strip tail material to cut off aluminum strip material that does not meet the thickness standard. However, in the existing shearing device, the cutter used to cut aluminum strip is very prone to problems such as chipping and dulling, so it is often necessary to replace it. In the existing shearing device, the replacement of the cutter is relatively troublesome, so it needs to be improved. Utility Model Content

[0004] To overcome the above-mentioned defects, the embodiments of this disclosure provide a shearing device for aluminum strip tail production, which solves the technical problem of inconvenience in replacing the cutter in the prior art.

[0005] According to one aspect, at least one embodiment of this disclosure provides a shearing device for producing aluminum strip tailings, comprising a base plate, vertical plates fixedly connected to the left and right sides of the middle of the upper surface of the base plate, a movable block movably connected to the top of the inner surface of the vertical plates, a sliding cavity formed in the middle of the lower surface of the movable block, a closing plate movably connected to the lower surface of the movable block, a connecting plate movably connected to the lower surface of the closing plate, a cutter fixedly connected to the lower surface of the connecting plate, and insert blocks fixedly connected to the left and right sides of the upper surface of the connecting plate, the top ends of the insert blocks sequentially penetrating the closing plate and the movable block and extending into the interior of the movable block, the inner surface of the sliding cavity... Two locking blocks are movably connected to both sides of the surface. The outer ends of the two locking blocks pass through the movable block and the insert block in sequence and extend into the interior of the insert block. The outer surfaces of the two locking blocks are movably sleeved with the inner surfaces of the insert block. A motor is fixedly installed on the inner surface of the top of the movable block. A round shaft is fixedly sleeved at the other end of the output shaft of the motor. The bottom end of the outer surface of the round shaft passes through the movable block and extends into the interior of the sliding cavity and is fixedly sleeved with a driving rod. The left and right ends of the driving rod are hinged with driven rods. There are two driven rods. The other ends of the two driven rods are respectively hinged to the outer surfaces of the two locking blocks.

[0006] As a preferred technical solution of this utility model, a guide rod is fixedly connected to both the front and rear sides of the left surface of the sliding cavity. There are two guide rods. The right ends of the two guide rods pass through the locking block and extend to the right surface of the sliding cavity and are fixedly connected thereto. The outer surface of the guide rod and the inner surface of the locking block are movably sleeved.

[0007] As a preferred embodiment of this utility model, the outer surfaces of the base plate and the vertical plate are provided with sliding grooves, and the outer surfaces of the left and right sides of the movable block are fixedly connected with limit blocks, and the outer surfaces of the limit blocks and the inner surfaces of the sliding grooves are movably connected.

[0008] As a preferred technical solution of this utility model, a top plate is fixedly connected to the upper surface of the vertical plate, and a hydraulic cylinder is fixedly installed on the upper surface of the top plate. The bottom end of the hydraulic cylinder penetrates the top plate and extends to the upper surface of the movable block and is fixedly connected to the movable block.

[0009] As a preferred embodiment of this utility model, a bolt is movably sleeved on the lower surface of the sealing plate, the top end of the bolt passes through the sealing plate and the movable block in sequence and extends into the interior of the movable block, and the outer surface of the bolt and the inner surface of the movable block are threaded together.

[0010] As a preferred technical solution of this utility model, a drive motor is fixedly installed on the left surface of the base plate. There are four drive motors. The other end of the output shaft of each of the four drive motors is fixedly sleeved with a drive shaft. The right end of the drive shaft passes through the base plate and extends to the right surface of the base plate. The outer surface of the drive shaft and the inner surface of the base plate are movably sleeved. A transmission wheel located inside the base plate is fixedly sleeved on the outer surface of the drive shaft.

[0011] As a preferred technical solution of this utility model, a first protective sleeve is fixedly sleeved on the outer surface of each of the four drive motors, and the number of the first protective sleeves is four. The right ends of the four first protective sleeves are fixedly connected to the left surface of the base plate.

[0012] As a preferred technical solution of this utility model, the left and right sides of the upper surface of the base plate are fixedly connected to the fixing blocks located in front of the vertical plate. The inner surfaces of the front and rear sides of the fixing blocks are fixedly sleeved with the second guide rods. The outer surface of the second guide rods is movably sleeved with the moving block located inside the fixing block. The inner surface of the moving block is fixedly installed with an infrared thickness measurement sensor.

[0013] As a preferred technical solution of this utility model, a second protective sleeve is fixedly connected to the right surface of the fixing block, a second motor is fixedly installed on the inner surface of the second protective sleeve, a rotating shaft is fixedly sleeved at the other end of the output shaft of the second motor, and the top end of the rotating shaft passes through the second protective sleeve and extends to the outside of the second protective sleeve.

[0014] As a preferred embodiment of this utility model, a first connecting rod is fixedly sleeved on the outer surface of the rotating shaft, and a second connecting rod is hinged to the other end of the first connecting rod. The other end of the second connecting rod is hinged to the upper surface of the moving block.

[0015] The beneficial effects of the embodiments disclosed herein are as follows:

[0016] 1. This disclosure includes a connecting plate, a plug block, a locking block, a driving rod, and a driven rod. When the No. 1 motor starts running, the round shaft and the driving rod will start to rotate. At this time, the two ends of the driving rod will drive the driven rod, thereby causing the two driven rods to start rotating. At the same time, the other end of the driven rod will drive the locking block, thereby causing the two locking blocks to start moving towards each other. Finally, the two locking blocks will disengage from the inner surface of the plug block. At this time, the fixing of the plug block and the connecting plate as a whole is released, thereby realizing convenient disassembly and assembly of the connecting plate and the cutter as a whole.

[0017] 2. In this disclosure, a fixed block, a second guide rod, a moving block, a first connecting rod, and a second connecting rod are set up. When the second motor starts running, the rotating shaft and the first connecting rod will start to rotate. At this time, the other end of the first connecting rod will drive the second connecting rod, thereby causing the second connecting rod to start rotating as well. The other end of the second connecting rod will drive the moving block, thereby causing the moving block and the infrared thickness measurement sensor to move left and right. During this process, the infrared thickness measurement sensor can detect the thickness of the aluminum coil at various positions in the left and right directions, thereby avoiding the situation where some aluminum strip tails are not cut off due to uneven thickness at various positions of the aluminum coil. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure in one embodiment of the present disclosure;

[0020] Figure 2 for Figure 1 A schematic diagram of the overall side structure in the embodiment;

[0021] Figure 3 for Figure 1 A schematic cross-sectional view of the overall structure in the embodiment;

[0022] Figure 4 for Figure 1 A schematic cross-sectional view of the top of the active block in the embodiment;

[0023] Figure 5 for Figure 1 A schematic cross-sectional view of the side of the active block in the embodiment;

[0024] Figure 6 for Figure 1 A cross-sectional view of the bottom of the active block in the embodiment;

[0025] Figure 7 for Figure 1 A cross-sectional view of the second protective sleeve in the embodiment;

[0026] Figure 8 for Figure 1 A schematic cross-sectional view of the top of the vertical plate in the embodiment;

[0027] Figure 9 for Figure 1A schematic cross-sectional view of the back of the vertical plate in the embodiment;

[0028] Figure 10 for Figure 1 A cross-sectional view of the first protective sleeve in the embodiment.

[0029] In the diagram: 1. Base plate; 2. Vertical plate; 3. Movable block; 4. Enclosed plate; 5. Connecting plate; 6. Cutter; 7. Insert block; 8. Locking block; 9. Motor No. 1; 10. Round shaft; 11. Driving rod; 12. Driven rod; 13. Guide rod No. 1; 14. Sliding groove; 15. Limiting block; 16. Top plate; 17. Hydraulic cylinder; 18. Bolt; 19. Sliding cavity; 20. Drive motor; 21. Drive shaft; 22. Transmission wheel; 23. Protective sleeve No. 1; 24. Fixing block; 25. Guide rod No. 2; 26. Moving block; 27. Infrared thickness measurement sensor; 28. Protective sleeve No. 2; 29. ​​Motor No. 2; 30. Rotating shaft; 31. Connecting rod No. 1; 32. Connecting rod No. 2. Detailed Implementation

[0030] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.

[0031] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0032] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0033] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0034] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0035] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0036] like Figures 1-10 The diagram illustrates a shearing device for producing aluminum strip tailings according to an embodiment of this disclosure. It includes a base plate 1, with vertical plates 2 fixedly connected to the left and right sides of the upper surface of the base plate 1. A movable block 3 is movably connected to the top of the inner surface of the vertical plate 2. A sliding cavity 19 is formed in the middle of the lower surface of the movable block 3. A closing plate 4 is movably connected to the lower surface of the movable block 3, and a connecting plate 5 is movably connected to the lower surface of the closing plate 4. A cutter 6 is fixedly connected to the lower surface of the connecting plate 5. Insert blocks 7 are fixedly connected to the left and right sides of the upper surface of the connecting plate 5. The top of each insert block 7 passes through the closing plate 4 and the movable block 3 sequentially and extends into the interior of the movable block 3. The sliding cavity 19 has a sliding cavity 19 formed by the left and right sides of the inner surface of the sliding cavity 19. Two locking blocks 8 are movably connected to each side. The outer ends of the two locking blocks 8 pass through the movable block 3 and the insert block 7 in sequence and extend into the interior of the insert block 7. The outer surfaces of the two locking blocks 8 are movably sleeved with the inner surfaces of the insert block 7. A motor 9 is fixedly installed on the inner surface of the top of the movable block 3. A round shaft 10 is fixedly sleeved at the other end of the output shaft of the motor 9. The bottom end of the outer surface of the round shaft 10 passes through the movable block 3 and extends into the interior of the sliding cavity 19 and is fixedly sleeved with the driving rod 11. The left and right ends of the driving rod 11 are hinged with driven rods 12. There are two driven rods 12. The other ends of the two driven rods 12 are respectively hinged to the outer surfaces of the two locking blocks 8.

[0037] The inner surfaces of the movable block 3 and the insert block 7, as well as the outer surface of the locking block 8, are smooth, thereby reducing the resistance encountered by the two locking blocks 8 during movement. In addition, the length design of the active rod 11 allows the two locking blocks 8 to be pulled out from the inner surface of the insert block 7 and completely enter the sliding cavity 19 when the active rod 11 is rotated to the limit position.

[0038] Among them, there are two guide rods 13 fixedly connected to the front and rear sides of the left surface of the sliding cavity 19. The right ends of the two guide rods 13 pass through the locking block 8 and extend to the right surface of the sliding cavity 19 and are fixedly connected thereto. The outer surface of the guide rod 13 and the inner surface of the locking block 8 are movably connected.

[0039] The design of the first guide rod 13 serves to guide the movement direction of the two locking blocks 8, and the distance between the two first guide rods 13 is greater than the rotation radius of the active rod 11.

[0040] The outer surfaces of the base plate 1 and the vertical plate 2 are provided with sliding grooves 14, and the outer surfaces of the left and right sides of the movable block 3 are fixedly connected with limit blocks 15, and the outer surface of the limit blocks 15 and the inner surface of the sliding grooves 14 are movably connected.

[0041] The design of the sliding groove 14 and the limiting block 15 serves to guide the overall movement direction of the movable block 3.

[0042] The top plate 16 is fixedly connected to the upper surface of the vertical plate 2, and a hydraulic cylinder 17 is fixedly installed on the upper surface of the top plate 16. The bottom end of the hydraulic cylinder 17 passes through the top plate 16 and extends to the upper surface of the movable block 3 and is fixedly connected to the movable block 3.

[0043] When the hydraulic cylinder 17 is running, the movable block 3 will begin to move downwards, eventually causing the cutter 6 to complete the shearing of the aluminum coil.

[0044] Among them, the lower surface of the sealing plate 4 is movably sleeved with a bolt 18, the top end of the bolt 18 passes through the sealing plate 4 and the movable block 3 in sequence and extends into the interior of the movable block 3, and the outer surface of the bolt 18 and the inner surface of the movable block 3 are threaded together.

[0045] The design of bolt 18 allows operators to remove bolt 18 and the sealing plate 4 to observe and maintain the components inside the sliding cavity 19.

[0046] Among them, a drive motor 20 is fixedly installed on the left surface of the base plate 1. There are four drive motors 20. The other end of the output shaft of each of the four drive motors 20 is fixedly sleeved with a drive shaft 21. The right end of the drive shaft 21 passes through the base plate 1 and extends to the right surface of the base plate 1. The outer surface of the drive shaft 21 is movably sleeved with the inner surface of the base plate 1. A transmission wheel 22 located inside the base plate 1 is fixedly sleeved on the outer surface of the drive shaft 21.

[0047] When the drive motor 20 starts, the drive shaft 21 and the transmission wheel 22 will start to rotate. At this time, the aluminum coil placed above the transmission wheel 22 will start to move towards the cutter 6 under the drive of the transmission wheel 22.

[0048] Among them, the outer surfaces of the four drive motors 20 are all fixedly fitted with a first protective sleeve 23, and there are four first protective sleeves 23. The right ends of the four first protective sleeves 23 are all fixedly connected to the left surface of the base plate 1.

[0049] The design of the first protective sleeve 23 serves to protect the drive motor 20.

[0050] Among them, the left and right sides of the upper surface of the base plate 1 are fixedly connected to the fixing blocks 24 located in front of the vertical plate 2. The inner surfaces of the front and rear sides of the fixing blocks 24 are fixedly sleeved with the second guide rods 25. The outer surface of the second guide rods 25 is movably sleeved with the moving block 26 located inside the fixing block 24. The inner surface of the moving block 26 is fixedly installed with the infrared thickness measurement sensor 27.

[0051] The design of the second guide rod 25 serves to restrict the overall movement direction of the moving block 26.

[0052] Among them, the right surface of the fixing block 24 is fixedly connected to the second protective sleeve 28, the inner surface of the second protective sleeve 28 is fixedly installed with the second motor 29, the other end of the output shaft of the second motor 29 is fixedly sleeved with the rotating shaft 30, the top end of the rotating shaft 30 passes through the second protective sleeve 28 and extends to the outside of the second protective sleeve 28.

[0053] The design of the second protective sleeve 28 serves to protect the second motor 29.

[0054] Among them, a first connecting rod 31 is fixedly sleeved on the outer surface of the rotating shaft 30, and a second connecting rod 32 is hinged to the other end of the first connecting rod 31. The other end of the second connecting rod 32 is hinged to the upper surface of the moving block 26.

[0055] The total length of the first link 31 and the second link 32 is greater than the length of the second guide rod 25, which allows the moving block 26 to contact the leftmost and rightmost sides of the inner surface of the fixed block 24.

[0056] The working principle and usage process of this disclosure are as follows:

[0057] First, the operator starts the drive motor 20 to begin conveying the aluminum coil and simultaneously starts the infrared thickness measurement sensor 27 and the second motor 29. As the second motor 29 runs, the rotating shaft 30 and the first connecting rod 31 rotate, causing the second connecting rod 32 to also start rotating. The rotation of the second connecting rod 32 causes the moving block 26 to move left and right along the outer surface of the second guide rod 25. During this process, the infrared thickness measurement sensor 27 detects whether the thickness of the aluminum coil passing below the infrared thickness measurement sensor 27 meets the requirements. When the thickness of the aluminum coil does not meet the requirements, the hydraulic cylinder 17 will be activated, causing the cutter 6 to cut off the tail of the aluminum strip.

[0058] When the cutter 6 becomes dull, the operator first stabilizes the cutter 6 and the connecting plate 5 from below, and then starts the first motor 9. As the first motor 9 runs, the round shaft 10 and the driving rod 11 will start to rotate. The rotation of the driving rod 11 will drive the driven rod 12, causing the driven rod 12 to also start to rotate. At this time, the two locking blocks 8 will start to move towards each other under the drive of the driven rod 12. Finally, when the locking block 8 no longer contacts the insert block 7, the insert block 7, the cutter 6 and the connecting plate 5 will be released from fixation. At this time, the operator can remove the entire cutter 6 for maintenance or replacement.

[0059] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.

Claims

1. A shearing device for producing aluminum strip tail material, comprising a base plate (1), characterized in that: Vertical plates (2) are fixedly connected to the left and right sides of the middle of the upper surface of the base plate (1). A movable block (3) is movably connected to the top of the inner surface of the vertical plate (2). A sliding cavity (19) is opened in the middle of the lower surface of the movable block (3). A closing plate (4) is movably connected to the lower surface of the movable block (3). A connecting plate (5) is movably connected to the lower surface of the closing plate (4). A cutter (6) is fixedly connected to the lower surface of the connecting plate (5). Insert blocks (7) are fixedly connected to the left and right sides of the upper surface of the connecting plate (5). The top of the insert block (7) passes through the closing plate (4) and the movable block (3) in sequence and extends into the interior of the movable block (3). A locking block (8) is movably connected to the left and right sides of the inner surface of the sliding cavity (19). There are two of them. The outer ends of the two locking blocks (8) pass through the movable block (3) and the insert block (7) in sequence and extend into the interior of the insert block (7). The outer surfaces of the two locking blocks (8) are movably sleeved with the inner surface of the insert block (7). A motor (9) is fixedly installed on the inner surface of the top of the movable block (3). A round shaft (10) is fixedly sleeved on the other end of the output shaft of the motor (9). The bottom end of the outer surface of the round shaft (10) passes through the movable block (3) and extends into the interior of the sliding cavity (19) and is fixedly sleeved with the active rod (11). The left and right ends of the active rod (11) are hinged with driven rods (12). There are two driven rods (12). The other ends of the two driven rods (12) are respectively hinged to the outer surfaces of the two locking blocks (8).

2. The shearing device for producing aluminum strip tail material according to claim 1, characterized in that: A guide rod (13) is fixedly connected to both the front and rear sides of the left surface of the sliding cavity (19). There are two guide rods (13). The right ends of the two guide rods (13) pass through the locking block (8) and extend to the right surface of the sliding cavity (19) and are fixedly connected to it. The outer surface of the guide rod (13) and the inner surface of the locking block (8) are movably connected.

3. The shearing device for producing aluminum strip tail material according to claim 1, characterized in that: The outer surfaces of the base plate (1) and the vertical plate (2) are provided with sliding grooves (14), and the outer surfaces of the left and right sides of the movable block (3) are fixedly connected with limit blocks (15). The outer surface of the limit block (15) and the inner surface of the sliding groove (14) are movably connected.

4. The shearing device for producing aluminum strip tail material according to claim 1, characterized in that: A top plate (16) is fixedly connected to the upper surface of the vertical plate (2). A hydraulic cylinder (17) is fixedly installed on the upper surface of the top plate (16). The bottom end of the hydraulic cylinder (17) passes through the top plate (16) and extends to the upper surface of the movable block (3) and is fixedly connected to the movable block (3).

5. The shearing device for producing aluminum strip tail material according to claim 1, characterized in that: The lower surface of the closed plate (4) is movably fitted with a bolt (18). The top end of the bolt (18) passes through the closed plate (4) and the movable block (3) in sequence and extends into the interior of the movable block (3). The outer surface of the bolt (18) and the inner surface of the movable block (3) are threaded together.

6. The shearing device for producing aluminum strip tail material according to claim 1, characterized in that: A drive motor (20) is fixedly installed on the left surface of the base plate (1). There are four drive motors (20). The other end of the output shaft of each of the four drive motors (20) is fixedly sleeved with a drive shaft (21). The right end of the drive shaft (21) passes through the base plate (1) and extends to the right surface of the base plate (1). The outer surface of the drive shaft (21) and the inner surface of the base plate (1) are movably sleeved. A transmission wheel (22) located inside the base plate (1) is fixedly sleeved on the outer surface of the drive shaft (21).

7. The shearing device for producing aluminum strip tail material according to claim 6, characterized in that: The outer surfaces of the four drive motors (20) are all fixedly fitted with a first protective sleeve (23). There are four first protective sleeves (23). The right ends of the four first protective sleeves (23) are fixedly connected to the left surface of the base plate (1).

8. The shearing device for producing aluminum strip tail material according to claim 1, characterized in that: The upper surface of the base plate (1) is fixedly connected to the left and right sides of the fixed block (2) in front of the vertical plate (2). The inner surfaces of the front and rear sides of the fixed block (24) are fixedly sleeved with the second guide rod (25). The outer surface of the second guide rod (25) is movably sleeved with the moving block (26) located inside the fixed block (24). The inner surface of the moving block (26) is fixedly installed with an infrared thickness measurement sensor (27).

9. A shearing device for producing aluminum strip tail material according to claim 8, characterized in that: The right surface of the fixed block (24) is fixedly connected to the second protective sleeve (28), the inner surface of the second protective sleeve (28) is fixedly installed with the second motor (29), the other end of the output shaft of the second motor (29) is fixedly sleeved with the rotating shaft (30), the top end of the rotating shaft (30) passes through the second protective sleeve (28) and extends to the outside of the second protective sleeve (28).

10. A shearing device for producing aluminum strip tail material according to claim 9, characterized in that: A first connecting rod (31) is fixedly sleeved on the outer surface of the rotating shaft (30). A second connecting rod (32) is hinged to the other end of the first connecting rod (31). The other end of the second connecting rod (32) is hinged to the upper surface of the moving block (26).

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