Rolling aluminum plate cleaning device

Abstract

The utility model relates to a rolled aluminum plate cleaning device which comprises two supporting frames I which are symmetrically arranged front and back, a chain driving mechanism is arranged at the near end of each supporting frame I, a cleaning pool is arranged between the two supporting frames I, and a plurality of liquid storage tanks are arranged on the upper side of the cleaning pool. Specifically, the chain driving mechanism is formed by combining a chain, a limiting shaft and a chain wheel which are tightly connected end to end, and the aluminum plate is detachably fixed on a chain link of the chain. According to the design, circulating rotation of the chain driving mechanism is ingeniously utilized, and continuous and stable movement of the aluminum plate from left to right is achieved. And in the process, the aluminum plate is in full contact with the cleaning liquid in the liquid storage tank, so that the continuous and efficient cleaning operation is ensured. Meanwhile, the restraining chain of the device is composed of a driving section, a circulating section and a transfer section. And particularly, the driving section is designed to be of a wave-shaped structure, so that the aluminum plate can easily go deep into the liquid storage tank when moving along with the chain, and the cleaning operation is more thorough.

Description

Technical Field

[0001] This utility model relates to the technical field of aluminum plate processing equipment, and in particular to a cleaning device for rolled aluminum plates. Background Technology

[0002] Aluminum sheets, which are sheets made from aluminum or aluminum alloys, have become widely used in various fields such as medical, automotive, packaging, aerospace, electronics and electrical appliances, and light industry thanks to the continuous advancement of surface treatment technology.

[0003] During the aluminum plate processing, due to the superposition of multiple processes, especially the application of rolling forming process, the surface of aluminum plate often has impurities such as lubricating oil and coolant remaining. This requires that the aluminum plate must be thoroughly cleaned before subsequent processing.

[0004] It must be pointed out that in the actual operation of aluminum plate cleaning, two methods are usually used: one is to physically wipe the surface of the aluminum plate with a hard brush to remove the surface stains, but this method has limited effect on removing oil stains; the other is to use chemical solvents to specifically remove oil stains. In this process, a passivating agent is usually used in conjunction. After the aluminum plate is soaked in the chemical solvent, it needs to be rinsed with clean water and finally soaked in the passivating agent to form a protective film.

[0005] Currently, most equipment for cleaning aluminum plates using chemical solvents has a relatively simple structure, mainly consisting of a cleaning tank and an overhead crane. In actual operation, the overhead crane is used to lift the aluminum plates and immerse them in the various solution tanks in sequence to complete the entire cleaning process.

[0006] However, overhead crane installation not only occupies a large space but also consumes relatively high amounts of energy. Furthermore, manual handling of aluminum plates is time-consuming and labor-intensive, and may pose a health threat to workers due to contact with chemical solvents. Therefore, there is an urgent need for a simple, easy-to-operate, and non-reliant rolling aluminum plate cleaning device to achieve continuous cleaning of aluminum plates. Utility Model Content

[0007] To address the shortcomings of existing technologies, this invention proposes a cleaning device for rolled aluminum plates. This device boasts advantages such as simple structure and high reliability, and can efficiently complete the sequential cleaning of aluminum plates. It solves the problem of resource waste caused by the reliance on heavy machinery for cleaning in existing technologies.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] A cleaning device for rolled aluminum plates includes two support frames (I) arranged symmetrically front to back, with a cleaning tank between them. The cleaning tank has multiple liquid storage tanks on its upper side. The device also includes two chain drive mechanisms, each located near the end of one of the support frames (I). Each chain drive mechanism consists of a chain connected end-to-end, a limiting shaft, and a sprocket. The sprocket is located inside the chain and meshes with it for transmission. The sprocket and the limiting shaft are rotatably connected to the support frame (I). A drive motor (I) is located on one side of one of the sprockets, and the output shaft of the drive motor (I) is keyed to the corresponding sprocket. The vertical projection of each chain is a ring structure, and each chain includes a relatively upper drive mechanism. The chain comprises a drive segment and a relatively lower circulation segment. A transfer segment is provided on each of the left and right sides of the drive segment and circulation segment. Each transfer segment smoothly transitions to its corresponding drive segment and circulation segment on its upper and lower sides. Multiple clamping plates are provided near the ends of the two chains, evenly arranged around the ring structure formed by the chains. The drive segment of each chain has a wave-shaped structure, with the number of lower wave peaks matching the number of liquid storage tanks. Each lower wave peak of the drive segment is embedded in its corresponding liquid storage tank. Multiple aluminum plates are provided between the two chain drive mechanisms, with the number of aluminum plates matching the number of clamping plates corresponding to the chain drive segments. Each aluminum plate corresponds one-to-one with the clamping plates corresponding to the chain drive segments, and each aluminum plate is detachably and fixedly connected to the chain via a clamping plate.

[0010] Preferably, each chain driving segment includes a crest segment and a horizontal segment, wherein there are two horizontal segments, which are located on the left and right sides of the chain driving segment, respectively, and multiple crest segments are provided between the two horizontal segments, with smooth transitions between the multiple crest segments. When the clamping plate corresponding to the aluminum plate moves to the horizontal segment, the upper surface of the aluminum plate is parallel to the horizontal plane.

[0011] Preferably, a support mechanism is provided on the left and right sides of the two support frames I respectively. The support mechanism includes a support frame II, and multiple support rollers are rotatably connected to the upper end of the support frame II. The multiple support rollers are arranged at equal intervals from front to back.

[0012] Preferably, each of the support frames II is provided with a drive roller on the upper side near the support frame I. The drive roller and the support roller are in the same vertical plane. Furthermore, a drive motor II is provided on one side of the drive roller. The output shaft of the drive motor II is keyed to the drive roller. When the clamping plate corresponding to the aluminum plate moves to the horizontal section, the end of the aluminum plate near the drive roller is embedded between the drive roller and the corresponding support roller.

[0013] Preferably, the projection of the vertical layer of the clamping plate is a U-shaped structure, with the two chains corresponding to the U-shaped openings of the clamping plate facing each other, and an elastic pad is fixedly connected inside the U-shaped opening of each clamping plate, with the aluminum plate embedded in the elastic pad.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention utilizes chain drive mechanisms positioned near the ends of two support frames I. By leveraging the cyclical rotation of these mechanisms, the aluminum plate is continuously moved from left to right, thereby improving production efficiency and reducing maintenance costs. During this process, the cleaning of the aluminum plate can be combined with the cleaning fluid in the storage tank, ensuring the continuity and efficiency of the cleaning process. Furthermore, the chain drive mechanism of this device consists of a series of interconnected chains, limiting shafts, and sprockets. The constraint chain of the device comprises a drive section, a circulation section, and a transfer section. The wave-shaped structure design of the drive section effectively ensures that the aluminum plate fully penetrates the storage tank as it moves with the chain, thus achieving a comprehensive cleaning operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a schematic diagram showing the positional relationship between the support frame I and the chain drive mechanism of this utility model.

[0018] Figure 3 This is a schematic diagram showing the positional relationship between the support frame I and the cleaning pool of this utility model.

[0019] Figure 4 This is a schematic diagram showing the positional relationship between the support frame I and the chain of this utility model.

[0020] Figure 5 This is a schematic diagram of the overall structure of the chain of this utility model.

[0021] Figure 6 This is a schematic diagram of the overall structure of the support mechanism of this utility model.

[0022] Figure 7 This is a schematic diagram showing the connection between the clamping plate and the elastic pad of this utility model.

[0023] In the diagram: 1. Support mechanism; 11. Support roller; 12. Drive motor II; 13. Drive roller; 14. Support frame II; 2. Aluminum plate; 3. Support frame I; 4. Chain drive mechanism; 41. Chain; 411. Transfer section; 412. Drive section; 4121. Horizontal section; 4122. Crest section; 413. Circulation section; 42. Limiting shaft; 43. Sprocket; 5. Drive motor I; 6. Clamping plate; 7. Elastic pad; 8. Cleaning tank; 9. Liquid storage tank. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not 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 utility model.

[0026] Please see Figure 1 , Figure 2 , Figure 3 A rolling aluminum sheet cleaning device, consistent with existing technology, comprises two support frames I3. These two support frames I3 are symmetrically designed, serving as load-bearing bases to support other components in practical applications. The support frames I3 not only provide a stable platform but also consider space utilization and ease of operation in their design, thereby ensuring the stability and reliability of the entire device.

[0027] Between the two support frames I3, this device features a specially designed cleaning tank 8. Multiple liquid storage tanks 9 are located above the cleaning tank 8. These tanks 9 are used to collect and store the liquids used during the cleaning of the aluminum plate 2. In practical applications, the multiple liquid storage tanks 9 can be filled with appropriate solutions according to cleaning requirements, ensuring the continuity and efficiency of the cleaning process. The design of the liquid storage tanks 9 fully considers the needs of each stage of cleaning, ensuring the high efficiency and environmental friendliness of the cleaning process.

[0028] It is worth noting that the cleaning process of aluminum plate 2 in this application is carried out from left to right. Therefore, the solutions in the storage tank 9, from left to right, are: pickling solution (to remove oil stains), cleaning water (to remove pickling residue), passivating agent (to form a protective layer on aluminum plate 2), secondary cleaning water (to remove passivating agent residue), and final cleaning water (for thorough cleaning). This arrangement is based on a thorough understanding and experimental verification of the cleaning process of aluminum plate 2, ensuring the maximization of the cleaning effect.

[0029] Please see Figure 2 , Figure 4Unlike existing devices, this device also includes two chain drive mechanisms 4, with the aluminum plate 2 positioned between them. This design not only enhances the automation level of the device but also ensures the smooth and continuous movement of the aluminum plate 2 through precise control of the chain 41, thereby improving cleaning efficiency.

[0030] Furthermore, multiple clamping plates 6 are respectively provided near the ends of the two chain drive mechanisms 4. The chain drive mechanism 4 can use the clamping plates 6 to detachably fix the aluminum plate 2, realizing the continuous movement of the aluminum plate 2 from left to right, ensuring the automation of the aluminum plate 2 cleaning process, and reducing the involvement of manpower and heavy machinery. The design of the clamping plates 6 fully combines the size and shape of the aluminum plate 2, ensuring stable and reliable clamping, and effectively avoiding damage to the surface of the aluminum plate 2.

[0031] Please see Figure 7 The clamping plate 6, projected vertically, presents a U-shaped structure, with two chains 41 corresponding to the U-shaped openings of the clamping plate 6 and positioned opposite each other. This allows the aluminum plate 2 to easily embed into the U-shaped openings of the two clamping plates 6, thus achieving effective clamping of the aluminum plate 2. This unique U-shaped design not only improves clamping efficiency but also ensures precise control of the cleaning process by restricting the movement of the aluminum plate 2.

[0032] Furthermore, an elastic pad 7 is fixedly connected within the U-shaped opening of each clamping plate 6, constraining the aluminum plate 2 into the elastic pad 7. This utilizes the deformable nature of the elastic pad 7 to both clamp and fix the aluminum plate 2, and prevent hard friction between the device and the aluminum plate 2 that could cause damage to the surface of the aluminum plate 2. The design of the elastic pad 7 fully considers the material characteristics of the aluminum plate 2, ensuring that no damage is caused to the aluminum plate 2 during clamping, thus providing excellent protection.

[0033] like Figure 4 , Figure 5 As shown, specifically, the chain drive mechanism 4 consists of a series of chains 41 connected end to end, a limiting shaft 42, and a sprocket 43. The design of the chain 41 ensures its stability and durability during movement, while the cooperation of the limiting shaft 42 and the sprocket 43 ensures precise control of the chain 41's movement.

[0034] In this design, sprocket 43 is located inside chain 41 and is meshed with chain 41 for transmission. By placing a drive motor I5 on one side of one of the sprockets 43 and keying the output shaft of drive motor I5 to the corresponding sprocket 43, the movement of the entire chain 41 can be achieved using drive motor I5, ensuring that the aluminum plate 2 can be cleaned as expected. Precise control of drive motor I5 ensures smooth and continuous movement of chain 41, thereby improving cleaning efficiency.

[0035] Meanwhile, the device constrains the sprocket 43 and the limiting shaft 42 to be rotatably connected to the support frame I3. This design ensures the accurate shape of the chain 41 through the cooperation of the limiting shaft 42 and the sprocket 43, and effectively prevents relative movement between the sprocket 43, the limiting shaft 42, and the chain 41, thereby slowing down the wear rate of the device. This rotatable connection design not only improves the durability of the device, but also reduces maintenance costs by reducing wear.

[0036] like Figure 4 As shown, both the sprocket 43 and the limiting shaft 42 are rotatably connected to the support frame I3 via bearings. This method uses bearings to fix the positions of the sprocket 43 and the limiting shaft 42, while minimizing the frictional resistance they experience during movement. The use of bearings not only ensures a smooth and stable rotatable connection but also significantly improves the overall operating efficiency of the device.

[0037] Specifically, in this application, the design of the chain 41 is very unique. The projection of each chain 41 in the vertical plane presents a ring structure. This allows the chain 41 to rotate cyclically, ensuring the continuous operation of the device while driving the aluminum plate 2 to move continuously from left to right. The design of the ring chain 41 not only improves the service life of the chain 41, but also achieves continuous cleaning of the aluminum plate 2 through cyclic rotation.

[0038] Meanwhile, each chain 41 consists of a relatively upper drive segment 412 and a relatively lower circulation segment 413, which are connected by a transfer segment 411 on each side. Each transfer segment 411 smoothly transitions with its corresponding drive segment 412 and circulation segment 413 on its upper and lower sides, ensuring the continuity and smoothness of the chain 41's movement. The design of the transfer segment 411 makes the transition between drive and circulation of the chain 41 smoother, reducing impact and noise during movement.

[0039] Therefore, the clamping plate 6 and the chain links of the chain 41 are fixedly connected in this device. To ensure that the clamping plate 6 can smoothly drive the aluminum plate 2 into the liquid storage tank 9 to complete the cleaning, this device is specially designed with a wave-shaped drive section 412 of the chain 41. The number of lower peaks of this wave-shaped structure corresponds one-to-one with the liquid storage tank 9, and each lower peak is precisely embedded in the corresponding liquid storage tank 9. This ensures that the aluminum plate 2 can fully contact the cleaning fluid during the cleaning process, achieving the best cleaning effect. The design of the wave-shaped drive section 412 not only improves the cleaning efficiency but also ensures full contact between the aluminum plate 2 and the cleaning fluid, thereby further improving the cleaning quality.

[0040] It is worth noting that, in practice, since this device uses a corresponding solution to clean the aluminum plate 2, a single cleaning process can be controlled within minutes. Therefore, in actual operation, the aluminum plate 2 only needs to move unidirectionally from left to right, and a single contact with the corresponding cleaning solution is sufficient to achieve a good cleaning effect. That is, in practice, the aluminum plate 2 does not need to continuously circulate with the chain 41, and the aluminum plate 2 does not need to move to the circulation section 413. This unidirectional motion design simplifies the operation process, improves cleaning efficiency, and reduces wear on the aluminum plate 2 during the cleaning process.

[0041] Therefore, the number of aluminum plates 2 constrained by this device is consistent with the number of clamping plates 6 corresponding to the drive section 412 of the chain 41, ensuring that each clamping plate 6 corresponds to one aluminum plate 2. This one-to-one design ensures precise control of the cleaning process, avoids mutual interference between aluminum plates 2, and improves the cleaning quality.

[0042] Furthermore, in this device, the drive segment 412 of each chain 41 consists of a crest segment 4122 and two horizontal segments 4121, which are respectively located on the left and right sides of the drive segment 412. Multiple crest segments 4122 are arranged between the two horizontal segments 4121, and these crest segments 4122 transition smoothly to form a continuous wave-shaped structure. This combination of crest segments 4122 and horizontal segments 4121 not only improves the movement efficiency of the chain 41, but also effectively ensures the stability and cleaning quality of the aluminum plate 2 during the cleaning process through the clever embedding of the crest segments 4122.

[0043] At this point, the fixed connection between the clamping plate 6 and the chain 41 ensures that when the clamping plate 6 corresponding to the aluminum plate 2 moves to the horizontal section 4121, the upper surface of the aluminum plate 2 is parallel to the horizontal plane. At this time, the operator can easily pull the aluminum plate 2 out of the clamping plate 6. This design simplifies the loading and unloading process of the aluminum plate 2 and improves the convenience of operation.

[0044] In addition, such as Figure 1 , Figure 6 As shown, this device has a support mechanism 1 on each of the two support frames I3, and the support mechanism 1 includes a support frame II 14. Multiple support rollers 11 are rotatably connected to the upper end of the support frame II 14. These support rollers 11 are arranged equidistantly from front to back to form a sturdy support surface, used to support the unwashed and washed aluminum plates 2 respectively. The equidistant arrangement of the support rollers 11 not only enhances the stability of the support but also ensures that the aluminum plate 2 is subjected to uniform force during support.

[0045] Furthermore, this device constrains each support frame II14 to have a drive roller 13 installed on its upper side near the support frame I3. The drive roller 13 and the support roller 11 are in the same vertical plane. This allows the aluminum plate 2 to move between the drive roller 13 and the corresponding support roller 11, so that the upper and lower ends of the aluminum plate 2 can abut against the drive roller 13 and the support roller 11 respectively. At this time, the drive motor II12 installed on one side of the drive roller 13 is used to provide power by connecting the output shaft of the drive motor II12 to the drive roller 13 via a key, so that the drive roller 13 can provide a horizontal thrust to the aluminum plate 2.

[0046] Therefore, this device further constrains the aluminum plate 2 so that when the clamping plate 6 corresponding to the aluminum plate 2 moves to the horizontal section 4121, the end of the aluminum plate 2 near the drive roller 13 is embedded between the drive roller 13 and the corresponding support roller 11. This allows the operator to use the drive roller 13 to provide a horizontal thrust to the aluminum plate 2 in practice. That is, for the left support mechanism 1, the horizontal thrust on the aluminum plate 2 makes it easier to embed between the two clamping plates 6, realizing a detachable fixed connection between the aluminum plate 2 and the clamping plates 6. For the right support mechanism 1, the horizontal thrust on the aluminum plate 2 makes it easier to detach from the two clamping plates 6, facilitating the disassembly and separation of the aluminum plate 2 and the clamping plates 6. This design not only improves the loading and unloading efficiency of the aluminum plate 2, but also ensures the continuity and efficiency of the cleaning process by precisely controlling the movement of the aluminum plate 2.

[0047] In practical applications of this invention, the feeding process is as follows:

[0048] First, the operator needs to stand next to the left support mechanism 1 and send the aluminum plate 2 to be cleaned into the gap between the support roller 11 and the drive roller 13. Then, the aluminum plate 2 will slowly move to the right under the action of the machine.

[0049] Next, the operator needs to press the stop button to stop the drive motor I5. At this time, it is necessary to ensure that one of the clamping plates 6 in the chain drive mechanism 4 is exactly located on the left horizontal section 4121. Meanwhile, the aluminum plate 2 continues to move to the right until it is firmly embedded in the U-shaped opening of the clamping plate 6 in the horizontal section 4121.

[0050] Subsequently, when the aluminum plate 2 disengages from the drive roller 13, the aluminum plate 2 stops moving. At this time, the vertical center line of the aluminum plate 2 should roughly coincide with the vertical center line of the clamping plate 6 located in the horizontal section 4121.

[0051] Then, start the drive motor I5, the chain drive mechanism 4 starts to rotate, and the aluminum plate 2 that was previously embedded in the clamping plate 6 rotates with the chain 41 until the adjacent clamping plate 6 moves to the left horizontal section 4121, at which point the drive motor I5 is stopped.

[0052] Finally, after the operators skillfully repeated the above steps, the feeding operation was completed continuously and efficiently.

[0053] In practical applications of this utility model, the material cutting process is as follows:

[0054] First, the chain 41 drives the clamping plate 6 to move to the right horizontal section 4121, and the aluminum plate 2 then continues to move straight to the right.

[0055] Next, the operator starts the drive motor II12 corresponding to the right support mechanism 1;

[0056] Subsequently, when the clamping plate 6 comes into contact with the drive roller 13 in the right support mechanism 1, the drive motor I5 is stopped, and the drive roller 13 continues to apply a rightward pulling force to the aluminum plate 2, causing the aluminum plate 2 to separate from the clamping plate 6.

[0057] Finally, by repeating the above steps, the operator can continuously complete the material feeding operation.

[0058] Although specific embodiments of the present invention have been shown and described, those skilled in the art should understand that various adjustments, modifications, substitutions and variations can be made to these embodiments without departing from the basic principles and core spirit of the present invention, and the scope of protection of the present invention shall be determined by the appended claims and their equivalents.

Claims

1. A cleaning device for rolled aluminum plates, comprising two support frames (I) 1 (3), the two support frames (I) 1 (3) being symmetrically arranged front and rear, and a cleaning tank (8) being provided between the two support frames (I) 1 (3), the cleaning tank (8) having a plurality of liquid storage tanks (9) on its upper side, characterized in that: It also includes two chain drive mechanisms (4), which are respectively located near the ends of the two support frames I (3); Each of the chain drive mechanisms (4) consists of a chain (41) connected end to end, a limiting shaft (42), and a sprocket (43). The sprocket (43) is located inside the chain (41) and meshes with the chain (41) for transmission. The sprocket (43) and the limiting shaft (42) are rotatably connected to the support frame I (3). Furthermore, a drive motor I (5) is provided on one side of one of the sprockets (43), and the output shaft of the drive motor I (5) is keyed to the corresponding sprocket (43). The vertical projection of each chain (41) is a ring structure. Each chain (41) includes a relatively upper driving segment (412) and a relatively lower circulating segment (413). A transfer segment (411) is provided on the left and right sides of the driving segment (412) and the circulating segment (413). Furthermore, the upper and lower sides of each transfer segment (411) are smoothly connected to the corresponding driving segment (412) and circulating segment (413). Multiple clamping plates (6) are respectively provided near the ends of the two chains (41). The multiple clamping plates (6) are evenly arranged around the ring structure formed by the chains (41). Furthermore, the driving section (412) of each chain (41) is a wave-shaped structure. The number of lower wave peaks of the driving section (412) is the same as the number of liquid storage tanks (9). Each lower wave peak of the driving section (412) is embedded in the corresponding liquid storage tank (9). Multiple aluminum plates (2) are arranged between the two chain drive mechanisms (4). The number of aluminum plates (2) is the same as the number of clamping plates (6) corresponding to the chain (412) drive segment (41). The multiple aluminum plates (2) correspond one-to-one with the clamping plates (6) corresponding to the chain (412) drive segment (41). Furthermore, each aluminum plate (2) is detachably and fixedly connected to the chain (41) through the clamping plate (6).

2. A device for cleaning rolled aluminium sheet as claimed in claim 1, wherein: Each chain (41) driving segment (412) includes a crest segment (4122) and a horizontal segment (4121), wherein there are two horizontal segments (4121), the two horizontal segments (4121) are located on the left and right sides of the chain (41) driving segment (412) respectively, and multiple crest segments (4122) are provided between the two horizontal segments (4121), and the multiple crest segments (4122) are smoothly transitioned between each other; When the clamping plate (6) corresponding to the aluminum plate (2) moves to the horizontal section (4121), the upper surface of the aluminum plate (2) is parallel to the horizontal plane.

3. A device for cleaning rolled aluminium sheet as claimed in claim 2, characterised in that: Each of the two support frames I (3) is provided with a support mechanism (1) on its left and right sides. The support mechanism (1) includes a support frame II (14). Multiple support rollers (11) are rotatably connected to the upper end of the support frame II (14). The multiple support rollers (11) are arranged at equal intervals from front to back.

4. A device for cleaning rolled aluminium sheet as claimed in claim 3, wherein: Each of the support frames II (14) is provided with a drive roller (13) on the upper side of one end near the support frame I (3). The drive roller (13) and the support roller (11) are in the same vertical plane. Furthermore, a drive motor II (12) is provided on one side of the drive roller (13). The output shaft of the drive motor II (12) is keyed to the drive roller (13). When the clamping plate (6) corresponding to the aluminum plate (2) moves to the horizontal section (4121), the end of the aluminum plate (2) near the drive roller (13) is embedded between the drive roller (13) and the corresponding support roller (11).

5. A device for cleaning rolled aluminium sheet as claimed in claim 1, wherein: The vertical projection of the clamping plate (6) is a U-shaped structure. The two chains (41) are opposite to the U-shaped openings of the clamping plate (6). Furthermore, an elastic pad (7) is fixedly connected inside the U-shaped opening of each clamping plate (6), and the aluminum plate (2) is embedded in the elastic pad (7).

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