Multi-specification adjusting type automatic hole sealing device and method for anodic oxidation of aluminum alloy formwork

Abstract

The invention relates to the technical field of aluminum plate machining, in particular to a multi-specification adjusting type automatic hole sealing device and method for aluminum alloy formwork anodic oxidation, the multi-specification adjusting type automatic hole sealing device comprises a spraying box, a tensioning mechanism and a spraying mechanism, a feeding port and a discharging port are formed in the two ends of the spraying box respectively, and guide rollers are arranged at the two ends of the interior of the spraying box; the tensioning mechanism is arranged between the two guide rollers and comprises a plurality of carrier rollers, the lower ends of the carrier rollers are provided with first-stage tensioning structures used for tensioning the aluminum plate in the vertical direction, and the two ends of the carrier rollers are provided with second-stage tensioning structures used for tensioning the aluminum plate in the horizontal direction; the spraying mechanism is located above the tensioning mechanism and comprises a plurality of spraying pipes which are parallel to one another and parallel to the carrier rollers and a liquid supply structure used for supplying spraying liquid to the multiple spraying pipes at the same time. By arranging the carrier roller, the first-stage tensioning structure, the second-stage tensioning structure and the spraying mechanism, uniform spraying of organic coating on the surface of the aluminum plate is achieved, and then the consistency of the hole sealing effect of all the positions of the aluminum plate is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum plate processing, in particular to a multi-specification adjustable automatic hole sealing device for anodizing aluminum alloy templates, and also to a hole sealing method for the multi-specification adjustable automatic hole sealing device for anodizing aluminum alloy templates. Background Art

[0002] In the production and processing of aluminum alloy templates, anodizing is a crucial process. It not only enhances the corrosion resistance, hardness and wear resistance of aluminum alloy templates, but also gives them beautiful surface color. However, many tiny pores will form on the surface of aluminum alloy templates after anodizing. If these pores are not sealed, the weather resistance and service life of the template will be seriously affected. Therefore, sealing treatment becomes an indispensable step after anodizing.

[0003] The patent with announcement number CN213357780U discloses an aluminum plate sealing spraying device. When spraying the aluminum plate, the aluminum plate moves from one guide roller to another guide roller. A support roller is arranged between the two guide rollers to provide support for the aluminum plate to prevent the aluminum plate from deforming under the spraying action of the sealing liquid. The spray system sprays the sealing liquid on the aluminum plate from above the two guide rollers.

[0004] Although the above scheme realizes the automatic sealing process, the tension degree of the aluminum plate is different. When the aluminum plate is sunken between the two guide rollers, the roller can support the aluminum plate, but the aluminum plate between the roller and the guide roller may still be sunken. When the aluminum plate is arched upward between the two guide rollers, the roller cannot function. In these two conditions, the distance between the surface of the aluminum plate and the spraying system is different. The surface closer to the spraying system is sprayed with thicker organic coating, while the surface farther from the spraying system is sprayed with thinner organic coating. Summary of the invention

[0005] In view of the above problems, a multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates is provided. By arranging rollers, a primary tensioning structure, a secondary tensioning structure and a spraying mechanism, uniform spraying of organic coating on the surface of the aluminum plate is achieved, thereby ensuring the consistency of the sealing effect of various parts of the aluminum plate.

[0006] In order to solve the problems of the prior art, the present invention provides a multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates, comprising a spray box with a feed port and a discharge port respectively opened at both ends, guide rollers are arranged at both ends inside the spray box, and also comprises a tensioning mechanism arranged between the two guide rollers and a spraying mechanism located above the tensioning mechanism; the tensioning mechanism comprises a plurality of rollers parallel to each other and parallel to the guide rollers, a primary tensioning structure for tensioning the aluminum plate in the vertical direction is arranged at the lower end of the roller, and a secondary tensioning structure for tensioning the aluminum plate in the horizontal direction is arranged at both ends of the roller; the spraying mechanism comprises a plurality of spray pipes parallel to each other and parallel to the rollers and a liquid supply structure for simultaneously supplying spray liquid to the plurality of spray pipes.

[0007] Preferably, the primary tensioning structure includes two roller frames arranged at the same height and a first tensioning assembly; the two roller frames are respectively arranged at both ends of the roller, and the roller frames are connected to the roller; the first tensioning assembly is connected to the two roller frames, and the first tensioning assembly is used to drive the two roller frames to rise and fall synchronously.

[0008] Preferably, the secondary tensioning structure includes a guide rod and a second tensioning assembly; the axis of the guide rod is along the moving direction of the aluminum plate, and a plurality of sliders respectively connected to a plurality of rollers are slidably arranged on the guide rod, and a first spring is arranged between two adjacent sliders; the second tensioning assembly is connected to two sliders located at both ends of the guide rod.

[0009] Preferably, the first tensioning assembly includes a first double-ended screw parallel to the roller and connected to the spray box, and first moving blocks are provided on both threaded parts of the first double-ended screw. The first moving block is hingedly connected to a first driving plate for converting the horizontal movement of the first moving block into the vertical movement of the roller frame.

[0010] Preferably, the primary tensioning structure further includes a plurality of guide assemblies, and the plurality of guide assemblies are divided into two groups, and the two groups of guide assemblies are respectively used to limit the movement of the two roller frames.

[0011] Preferably, the second tensioning assembly includes a second double-ended screw perpendicular to the roller and connected to both ends of the roller frame, and second movable blocks are provided on the two threaded parts of the second double-ended screw, and the second movable block is provided with a second driving plate for driving the slider to move along the axis direction of the guide rod.

[0012] Preferably, the spray mechanism also includes a synchronous moving structure, which includes a mounting plate arranged at the upper end of the spray pipe, a plurality of mounting frames for installing the spray pipe are arranged at the lower end of the mounting plate, and connecting components connected to the primary tensioning structure are arranged at both ends of the mounting plate.

[0013] Preferably, the spray mechanism further comprises an adjusting structure for adjusting the distance between the spray pipe and the upper surface of the aluminum plate.

[0014] Preferably, the connecting assembly includes a U-shaped frame and a second guide column; both ends of the U-shaped frame are connected to the primary tensioning structure; one end of the second guide column passes downward through the U-shaped frame and is connected to the mounting plate, and the other end of the second guide column is sleeved with a second spring, and both ends of the second spring are respectively abutted against the end of the second guide column and the U-shaped frame.

[0015] The present invention also provides a sealing method for a multi-specification adjustable automatic sealing device for anodizing an aluminum alloy template, which is applied to the multi-specification adjustable automatic sealing device for anodizing an aluminum alloy template, and comprises the following steps: S1, the aluminum plate passes through the lower side of the guide roller near the feed port, the upper side of multiple rollers and the lower side of the guide roller near the discharge port in the spray box in sequence; S2. When the aluminum plate cannot remain flat between the two guide rollers, the primary tensioning structure pushes multiple rollers to move upward to tension the aluminum plate, and the spray pipe sprays the organic coating on the horizontal aluminum plate; S3, when the primary tensioning structure reaches the maximum pushing stroke, if the aluminum plate is still not tensioned, the secondary tensioning structure pushes the multiple rollers away from each other to further tension the aluminum plate in the horizontal direction.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention is provided with rollers, a primary tensioning structure, a secondary tensioning structure and a spraying mechanism. Aluminum plates of different specifications have different flexibility. The primary tensioning structure and the secondary tensioning structure are used in combination to effectively adjust the tension of aluminum plates of different specifications. The primary tensioning structure increases the height difference between the rollers and the guide rollers by synchronously lifting a plurality of rollers to achieve preliminary tensioning of the aluminum plate. When the aluminum plate still does not reach an ideal tensioning state, the secondary tensioning structure further pushes two adjacent rollers away from each other to tension the aluminum plate in the horizontal direction. When the aluminum plate is tensioned, the distance between the aluminum plate and the spraying pipe remains consistent, thereby ensuring a uniform spraying amount of the organic coating on the surface of the aluminum plate. Since the uniformity of the coating spraying amount is guaranteed, the sealing effect of each part of the aluminum plate is also kept consistent, thereby improving the coating use efficiency and spraying quality. 2. The present invention is provided with two roller frames and a first tensioning assembly. The first tensioning assembly drives the two roller frames to move in a direction away from the guide roller, and the roller frames drive the multiple rollers to move synchronously, ensuring that the two ends of each roller exert the same force on the aluminum plate. This balanced force distribution helps the aluminum plate to maintain balanced force on both sides in the width direction, thereby ensuring that the aluminum plate is balanced in force during the tensioning process, and effectively preventing the edge of the aluminum plate from deforming; 3. The present invention is provided with a guide rod, a slider, a first spring and a second tensioning assembly. In the initial state, the opposing pre-tightening force applied by the second tensioning assembly to the slider not only overcomes the initial elastic force of the first spring, but also stores elastic potential energy by compressing the first spring. When the secondary tensioning structure is working, the force of the second tensioning assembly on the slider is reduced, and the first spring releases the stored elastic potential energy, pushing the two adjacent sliders away from each other, and adjusting the tension of the aluminum plate again, thereby realizing further adjustment of the tension of the aluminum plate, thereby expanding the adjustment range of the tension; 4. The present invention ensures that the distance between the spray pipe and the upper surface of the aluminum plate can be kept constant by setting the spray mechanism and the first-level tensioning mechanism to move synchronously, so that the organic coating sprayed by the spray pipe can be evenly covered on the aluminum plate within a fixed range. At the same time, by adjusting the structure, it can ensure that the distance between the spray pipe and the aluminum plate is maintained at a preset optimal fixed value, thereby ensuring the uniform spraying effect of the organic coating on the surface of the aluminum plate; 5. The present invention adjusts the distance between the spray pipe and aluminum plates of different specifications by setting an adjustment structure, so that the distance between the spray pipe and the surfaces of different aluminum plates is the same, thereby achieving the same organic coating spraying effect on aluminum plates of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of a multi-specification adjustable automatic hole sealing device for anodizing of aluminum alloy templates of the present invention; Figure 2 It is a top view of the multi-specification adjustable automatic hole sealing device for anodizing of aluminum alloy templates of the present invention; Figure 3 yes Figure 2 Stereoscopic cross-sectional view at AA in the middle; Figure 4 It is a three-dimensional diagram of the guide roller and the tensioning mechanism in the multi-specification adjustable automatic hole sealing device for anodizing of aluminum alloy templates of the present invention; Figure 5 It is a stereoscopic diagram of the rollers, roller frames and secondary tensioning structure in the multi-specification adjustable automatic hole sealing device for anodizing of aluminum alloy templates of the present invention; Figure 6 It is a stereoscopic diagram of the rollers, roller frames and primary tensioning structure in the multi-specification adjustable automatic hole sealing device for anodizing of aluminum alloy templates of the present invention; Figure 7 It is a stereoscopic diagram of the roller, the roller frame and the second tensioning assembly in the multi-specification adjustable automatic hole sealing device for anodizing of aluminum alloy templates of the present invention; Figure 8 It is a stereoscopic diagram of a roller support frame and a spray mechanism in a multi-specification adjustable automatic hole sealing device for anodizing of aluminum alloy templates of the present invention; Fig. 9It is a stereoscopic diagram of the mounting plate, the connecting assembly and the adjusting structure in the multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates of the present invention; Fig.10 It is a stereoscopic diagram of the adjustment structure in the multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates of the present invention; Fig.11 It is a stereoscopic diagram of the mounting plate and the connecting components in the multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates of the present invention.

[0018] The numbers in the figure are: 1, spray box; 2, guide roller; 3, tensioning mechanism; 31, roller; 32, primary tensioning structure; 321, roller frame; 322, first tensioning assembly; 3221, first double-headed screw; 3222, first moving block; 3223, first driving plate; 323, guide assembly; 3231, guide sleeve; 3232, first guide column; 33, secondary tensioning structure; 331, guide rod; 332, slider; 333, first spring; 334, second tensioning assembly Parts; 3341, second double-ended screw; 3342, second moving block; 3343, second drive plate; 4, spray mechanism; 41, spray pipe; 42, liquid supply structure; 43, synchronous moving structure; 431, mounting plate; 4311, mounting frame; 432, connecting assembly; 4321, U-shaped frame; 4322, second guide column; 4323, second spring; 44, adjusting structure; 441, third double-ended screw; 442, third moving block; 443, third drive plate. DETAILED DESCRIPTION

[0019] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Reference Figures 1 to 11 As shown: a multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates, comprising a spray box 1 with a feed port and a discharge port respectively opened at both ends, guide rollers 2 are arranged at both ends inside the spray box 1, and also comprising a tensioning mechanism 3 arranged between the two guide rollers 2 and a spraying mechanism 4 located above the tensioning mechanism 3; the tensioning mechanism 3 comprises a plurality of rollers 31 parallel to each other and parallel to the guide rollers 2, a primary tensioning structure 32 for tensioning the aluminum plate in a vertical direction is arranged at the lower end of the roller 31, and a secondary tensioning structure 33 for tensioning the aluminum plate in a horizontal direction is arranged at both ends of the roller 31; the spraying mechanism 4 comprises a plurality of spray pipes 41 parallel to each other and parallel to the rollers 31 and a liquid supply structure 42 for simultaneously supplying spray liquid to the plurality of spray pipes 41.

[0021] During the working process, the aluminum plate to be processed enters the spray box 1 from the feed port, passes under the guide roller 2 near the feed port, above multiple rollers 31 and under the guide roller 2 near the discharge port in turn, and finally leaves the discharge port. During this process, multiple spray pipes 41 are responsible for spraying organic coatings on the surface of the aluminum plate carried by the rollers 31. If the aluminum plate is in an untensioned state, the distance between the aluminum plate and the spray pipe 41 when passing directly under the spray pipe 41 is different, resulting in uneven spraying of the organic coating. At this time, the primary tensioning structure 32 is started, and the initial tensioning of the aluminum plate is achieved by synchronously lifting the roller 31 to increase the height difference between the roller 31 and the guide roller 2. If the roller 31 is lifted to After the maximum stroke, the aluminum plate has not yet reached the tensioned state, and the secondary tensioning structure 33 is immediately started to push the rollers 31 away from each other, further tensioning the aluminum plate in the horizontal direction. The combination of the primary tensioning structure 32 and the secondary tensioning structure 33 effectively improves the tensioning adjustment range of the aluminum plate. After the tensioning is completed, the liquid supply structure 42 pressurizes and transports the organic coating to each spray pipe 41, and the organic coating is sprayed on the surface of the aluminum plate. Since the aluminum plate remains parallel to the spray pipe 41 in the tensioned state, the spraying amount of the coating at various locations on the aluminum plate is ensured to be consistent, thereby achieving uniform spraying of the organic coating on the surface of the aluminum plate, thereby ensuring the consistency of the sealing effect at various locations on the aluminum plate.

[0022] Reference Figure 4 As shown: the primary tensioning structure 32 includes two roller frames 321 arranged at the same height and a first tensioning assembly 322; the two roller frames 321 are respectively arranged at the two ends of the roller 31, and the roller frames 321 are connected to the roller 31; the first tensioning assembly 322 is connected to the two roller frames 321, and the first tensioning assembly 322 is used to drive the two roller frames 321 to rise and fall synchronously.

[0023] The first tensioning component 322 can adopt a driver such as a hydraulic cylinder or an air cylinder that can drive the roller frame 321 to move along a straight line, and the driver is connected to the two roller frames 321 so that the two roller frames 321 can maintain synchronous movement. When the primary tensioning structure 32 needs to tension the aluminum plate, the first tensioning component 322 drives the two roller frames 321 to move in the direction away from the guide roller 2, and the two roller frames 321 drive multiple rollers 31 to move synchronously, so that the two ends of each roller 31 apply the same force to the aluminum plate, ensuring that the aluminum plate is balanced on both sides in the width direction, thereby ensuring that the aluminum plate is balanced during the tensioning process, effectively preventing the edge of the aluminum plate from deforming.

[0024] Reference Figure 4 and Figure 5As shown: the secondary tensioning structure 33 includes a guide rod 331 and a second tensioning assembly 334; the axis of the guide rod 331 is along the moving direction of the aluminum plate, and a plurality of sliders 332 respectively connected to a plurality of rollers 31 are slidably arranged on the guide rod 331, and a first spring 333 is arranged between two adjacent sliders 332; the second tensioning assembly 334 is connected to the two sliders 332 located at both ends of the guide rod 331.

[0025] In the initial state, the second tensioning assembly 334 applies a preload force to the two sliders 332 at both ends. The preload force overcomes the initial elastic force of the plurality of first springs 333, compressing the first springs 333 and storing elastic potential energy. At this time, the plurality of sliders 332 are moved closer to each other due to the preload force, resulting in a reduction in the coverage of the roller 31. When the primary tensioning structure 32 has lifted the plurality of rollers 31 to the maximum stroke, but the aluminum plate has not yet reached the expected tensioning state, the secondary tensioning structure 33 begins to work, and the second tensioning assembly 334 reduces the force applied to the two sliders 332. At this time, the first springs 333 are compressed and store elastic potential energy. The elastic potential energy stored in 333 is greater than the force applied by the second tensioning component 334, so the first spring 333 begins to release its stored energy, pushing the two adjacent sliders 332 away from each other, causing the adjacent rollers 31 to also move away from each other, thereby increasing the overall coverage of the rollers 31. The two outermost rollers 31 among the multiple rollers 31, pushed by the first spring 333, exert a horizontal force on the aluminum plate to move away from each other, effectively stretching the aluminum plate within the coverage of the multiple rollers 31, thereby achieving further adjustment of the tension of the aluminum plate, thereby expanding the adjustment range of the tension.

[0026] Reference Figure 4 and Figure 6 As shown: the first tensioning assembly 322 includes a first double-ended screw 3221 parallel to the roller 31 and connected to the spray box 1, and the two threaded parts of the first double-ended screw 3221 are each provided with a first moving block 3222, and the first moving block 3222 is hinged with a first driving plate 3223 for converting the horizontal movement of the first moving block 3222 into the vertical movement of the roller frame 321.

[0027] During the movement of the aluminum plate, due to the interaction force between the aluminum plate and the roller 31, the vibration of the aluminum plate will cause the vibration of the roller 31, thereby weakening the tensioning effect of the roller 31 on the aluminum plate. Therefore, a first double-headed screw 3221, a first moving block 3222 and a first driving plate 3223 are provided. When multiple rollers 31 are required to jointly play the role of tensioning the aluminum plate, the first double-headed screw 3221 starts to rotate, and the two first moving blocks 3222 move away from each other under the action of the thread. In this process, the first moving block 3222 is hinged to the first driving plate 32 23 applies a vertical force to the roller frames 321, so that the two roller frames 321 can rise synchronously and stably, thereby achieving the tensioning of the aluminum plate. In addition, due to the threaded connection between the first double-headed screw 3221 and the first moving block 3222, it is ensured that when the first double-headed screw 3221 stops rotating, the first moving block 3222 can remain in the current position and no longer move, thereby effectively avoiding the problem of weakened tensioning effect caused by the vibration of the roller 31, thereby ensuring that the aluminum plate can always maintain a stable tensioning state during the movement.

[0028] Reference Figure 4 and Figure 6 As shown: the primary tensioning structure 32 also includes a plurality of guide assemblies 323 , and the plurality of guide assemblies 323 are divided into two groups, and the two groups of guide assemblies 323 are respectively used to limit the movement of the two roller frames 321 .

[0029] Specifically, the guide assembly 323 includes a guide sleeve 3231 and a first guide column 3232. The guide sleeve 3231 is connected to the spray box 1. The first guide column 3232 is perpendicular to the plane where the multiple rollers 31 are located. One end of the first guide column 3232 is connected to the roller frame 321, and the other end of the first guide column 3232 is slidably set in the guide sleeve 3231.

[0030] In the process of the first tensioning component 322 driving the two roller frames 321 to move, if the movement of the two roller frames 321 fails to keep synchronized and tilt changes occur, this will cause the two ends of the roller 31 to apply inconsistent forces to the aluminum plate, which may cause the aluminum plate to deform. Therefore, multiple guide components 323 are set. When the roller frame 321 moves under the drive of the first tensioning component 322, the roller frame 321 will drive the first guide column 3232 connected to the roller frame 321 to move synchronously. At this time, the sliding of the first guide column 3232 in the guide sleeve 3231 is restricted, and the first guide column 3232 can only move along its own axial direction, ensuring that the roller frame 321 can only move on a predetermined path, thereby ensuring that the two roller frames 321 can maintain a synchronous movement state during the movement, avoiding the aluminum plate deformation problem caused by asynchronous movement.

[0031] Reference Figure 5 and Figure 7As shown: the second tensioning assembly 334 includes a second double-headed screw 3341 perpendicular to the roller 31 and connected to the two ends of the roller frame 321, and the two threaded parts of the second double-headed screw 3341 are each provided with a second moving block 3342, and the second moving block 3342 is provided with a second driving plate 3343 for driving the slider 332 to move along the axial direction of the guide rod 331.

[0032] In the secondary tensioning structure 33, multiple first springs 333 are all in a pre-compression state, which continuously provide the second tensioning assembly 334 with a force acting on both ends of the guide rod 331. If the position of the slider 332 is not restricted, the elastic force of these first springs 333 may cause the slider 332 to move unexpectedly along the guide rod 331. Therefore, a second double-headed screw rod 3341, a second moving block 3342 and a second driving plate 3343 are provided. When it is necessary to adjust the distance between two adjacent sliders 332, the second double-headed screw rod 3341 is rotated, and the two second moving blocks 3342 will move away from each other along the thread direction of the second double-headed screw rod 3341. The two second drive plates 3343 also move away from each other accordingly. During this process, due to the continuous force of the first spring 333, the slider 332 is pushed and moves, and the slider 332 located on the outermost side always maintains contact with the corresponding second drive plate 3343. When the second drive plate 3343 stops moving further due to the stop of the second moving block 3342, the position of the second drive plate 3343 will be locked due to the self-locking characteristics of the thread between the second moving block 3342 and the second double-headed screw rod 3341, thereby effectively preventing the position of the slider 332 from getting out of control due to the continuous force of the first spring 333.

[0033] Reference Figure 3 and Figure 8 As shown: the spray mechanism 4 also includes a synchronous moving structure 43, the synchronous moving structure 43 includes a mounting plate 431 arranged at the upper end of the spray pipe 41, a plurality of mounting frames 4311 for mounting the spray pipe 41 are arranged at the lower end of the mounting plate 431, and connecting components 432 connected to the primary tensioning structure 32 are arranged at both ends of the mounting plate 431.

[0034] The two connecting components 432 respectively connect the mounting plate 431 with the two roller frames 321 in the primary tensioning structure 32, and multiple spray pipes 41 are respectively installed on the mounting frames 4311 to form a stable spray array. When the first tensioning component 322 is started and drives the two roller frames 321 to move, the two roller frames 321 will synchronously drive the mounting plate 431 to move through the two connecting components 432. The movement of the mounting plate 431 then drives all the spray pipes 41 installed thereon to move synchronously, ensuring that the aluminum plate is adjusted to any position by the primary tensioning structure 32, and the distance between the spray pipe 41 and the upper surface of the aluminum plate can be kept constant, so that the organic coating sprayed by the spray pipe 41 forms a fixed range of uniform coverage on the aluminum plate.

[0035] Reference Figure 8 , Fig. 9 and Fig.10 As shown: the spray mechanism 4 also includes an adjusting structure 44 for adjusting the distance between the spray pipe 41 and the upper surface of the aluminum plate.

[0036] Specifically, the adjustment structure 44 includes a third double-headed screw rod 441, two third moving blocks 442 and two third drive plates 443. The two ends of the third double-headed screw rod 441 are fixedly connected to the two connecting components 432 respectively. The two third moving blocks 442 are respectively arranged on the two threaded parts of the third double-headed screw rod 441. The two third drive plates 443 are respectively hinged to the two third moving blocks 442, and the other end of the third drive plate 443 is hinged to the mounting plate 431.

[0037] To ensure a uniform spraying effect of the organic coating on the surface of the aluminum plate, the distance between the spray pipe 41 and the aluminum plate needs to be maintained at a preset optimal fixed value. If the spray pipe 41 is directly fixed on the roller frame 321, it will be difficult to maintain a consistent spraying distance for aluminum plates of different thicknesses. When the aluminum plate is thicker, the distance between the spray pipe 41 and the upper surface of the aluminum plate may be too close, affecting the spraying quality. Therefore, an adjustment structure 44 is provided. By driving the third double-headed screw 441 to rotate, the two third moving blocks 442 will move relative to each other along the third double-headed screw 441 and approach each other, and the two third driving plates 443 apply a vertical force to the mounting plate 431, pulling the mounting plate 431 and the spray pipe 41 thereon to rise, and adjusting the distance between the spray pipe 41 and the aluminum plate to the optimal fixed value, thereby achieving the same spraying effect of organic coating on aluminum plates of different thicknesses.

[0038] Reference Fig. 9 and Fig.11As shown: the connecting assembly 432 includes a U-shaped frame 4321 and a second guide column 4322; both ends of the U-shaped frame 4321 are connected to the primary tensioning structure 32; one end of the second guide column 4322 passes downward through the U-shaped frame 4321 and is connected to the mounting plate 431, and the other end of the second guide column 4322 is sleeved with a second spring 4323, and both ends of the second spring 4323 are respectively abutted against the end of the second guide column 4322 and the U-shaped frame 4321.

[0039] If the connecting component 432 fixes the mounting plate 431 to the roller frame 321, the distance between the spray pipe 41 and the upper surface of the aluminum plate cannot be adjusted. Therefore, a U-shaped frame 4321, a second guide column 4322 and a second spring 4323 are set, and the adjustment structure 44 is installed on the two U-shaped frames 4321 in the two connecting components 432. The mounting plate 431 is hoisted on the two U-shaped frames 4321 through the adjustment structure 44. When the roller frame 321 moves, the U-shaped frame 4321 drives the adjustment structure 44 to move, and then drives the mounting plate 431 to move. When it is necessary to adjust the distance between the spray pipe 41 and the upper surface of the aluminum plate, the adjustment structure 44 works, and the second guide column 4322 can move along its own axial direction, so that the mounting plate 431 can both move synchronously with the roller frame 321 and move independently.

[0040] The sealing method of the multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates is applied to the multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates, and comprises the following steps: S1, the aluminum plate passes through the lower side of the guide roller 2 near the feed port, the upper side of multiple rollers 31 and the lower side of the guide roller 2 near the discharge port in the spray box 1 in sequence; S2. When the aluminum plate cannot remain flat between the two guide rollers 2, the primary tensioning structure 32 pushes the multiple rollers 31 to move upward to tension the aluminum plate, and the spray pipe sprays the organic coating on the horizontal aluminum plate; S3, when the primary tensioning structure 32 reaches the maximum pushing stroke, if the aluminum plate is still not tensioned, the secondary tensioning structure 33 pushes the multiple rollers 31 away from each other to further tension the aluminum plate in the horizontal direction.

[0041] The above embodiments only express one or several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A multi-specification adjustable automatic sealing device for anodizing aluminum alloy templates, comprising a spray box (1) with a feed inlet and a discharge outlet respectively provided at both ends, guide rollers (2) being provided at both ends of the spray box (1), characterized in that: The invention also comprises a tensioning mechanism (3) arranged between the two guide rollers (2) and a spraying mechanism (4) located above the tensioning mechanism (3); the tensioning mechanism (3) comprises a plurality of rollers (31) which are parallel to each other and to the guide rollers (2); a primary tensioning structure (32) for tensioning the aluminum plate in a vertical direction is arranged at the lower end of the rollers (31); and a secondary tensioning structure (33) for tensioning the aluminum plate in a horizontal direction is arranged at both ends of the rollers (31); and the spraying mechanism (4) comprises a plurality of spraying pipes (41) which are parallel to each other and to the rollers (31) and a liquid supply structure (42) for simultaneously supplying spraying liquid to the plurality of spraying pipes (41).

2. The multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates according to claim 1 is characterized in that: The primary tensioning structure (32) comprises two roller frames (321) arranged at the same height and a first tensioning assembly (322); the two roller frames (321) are respectively arranged at two ends of the roller (31), and the roller frames (321) are connected to the roller (31); the first tensioning assembly (322) is connected to the two roller frames (321), and the first tensioning assembly (322) is used to drive the two roller frames (321) to rise and fall synchronously.

3. The multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates according to claim 2 is characterized in that: The secondary tensioning structure (33) comprises a guide rod (331) and a second tensioning assembly (334); the axis of the guide rod (331) is along the moving direction of the aluminum plate; a plurality of sliders (332) respectively connected to a plurality of rollers (31) are slidably arranged on the guide rod (331); a first spring (333) is arranged between two adjacent sliders (332); and the second tensioning assembly (334) is connected to two sliders (332) located at both ends of the guide rod (331).

4. The multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates according to claim 2 is characterized in that: The first tensioning assembly (322) comprises a first double-ended screw (3221) parallel to the roller (31) and connected to the spray box (1); first moving blocks (3222) are provided on both threaded portions of the first double-ended screw (3221); and a first driving plate (3223) is hingedly connected to the first moving block (3222) for converting horizontal movement of the first moving block (3222) into vertical movement of the roller frame (321).

5. The multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates according to claim 2 is characterized in that: The primary tensioning structure (32) further comprises a plurality of guide assemblies (323), wherein the plurality of guide assemblies (323) are divided into two groups, and the two groups of guide assemblies (323) are respectively used to limit the movement of the two roller frames (321).

6. The multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates according to claim 3 is characterized in that: The second tensioning assembly (334) comprises a second double-ended screw (3341) which is perpendicular to the roller (31) and connected to both ends of the roller frame (321); a second moving block (3342) is provided on both threaded portions of the second double-ended screw (3341); and the second moving block (3342) is provided with a second driving plate (3343) for driving the slider (332) to move along the axial direction of the guide rod (331).

7. The multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates according to claim 1 is characterized in that: The spray mechanism (4) further comprises a synchronous moving structure (43), the synchronous moving structure (43) comprising a mounting plate (431) arranged at the upper end of the spray pipe (41), a plurality of mounting frames (4311) for mounting the spray pipe (41) being arranged at the lower end of the mounting plate (431), and connection components (432) connected to the primary tensioning structure (32) being arranged at both ends of the mounting plate (431).

8. The multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates according to claim 7, characterized in that: The spray mechanism (4) further comprises an adjustment structure (44) for adjusting the distance between the spray pipe (41) and the upper surface of the aluminum plate.

9. The multi-specification adjustable automatic sealing device for anodizing of aluminum alloy templates according to claim 7, characterized in that: The connecting assembly (432) comprises a U-shaped frame (4321) and a second guide column (4322); both ends of the U-shaped frame (4321) are connected to the primary tensioning structure (32); one end of the second guide column (4322) passes downward through the U-shaped frame (4321) and is connected to the mounting plate (431); the other end of the second guide column (4322) is sleeved with a second spring (4323); both ends of the second spring (4323) are respectively in contact with the end of the second guide column (4322) and the U-shaped frame (4321).

10. A sealing method for a multi-specification adjustable automatic sealing device for anodizing aluminum alloy templates, applied to the multi-specification adjustable automatic sealing device for anodizing aluminum alloy templates as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: S1, the aluminum plate passes through the lower side of the guide roller (2) near the feed port, the upper side of a plurality of rollers (31), and the lower side of the guide roller (2) near the discharge port in sequence in the spray box (1); S2. When the aluminum plate cannot remain flat between the two guide rollers (2), the primary tensioning structure (32) pushes the plurality of rollers (31) to move upward to tension the aluminum plate, and the spray pipe sprays the organic coating onto the horizontal aluminum plate; S3, when the primary tensioning structure (32) reaches the maximum pushing stroke, if the aluminum plate is still not tensioned, the secondary tensioning structure (33) pushes the plurality of rollers (31) away from each other to further tension the aluminum plate in the horizontal direction.

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