Aluminum alloy oxidation hole sealing method and device

Abstract

The invention relates to the technical field of aluminum alloy oxidation hole sealing, and discloses an aluminum alloy oxidation hole sealing method and device which comprises a solution cylinder, an overflowing cylinder, an air supply part and a driving part. The overflowing cylinder is arranged in the solution cylinder and is driven by the driving part to rotate, overflowing holes which are densely distributed are formed in the periphery of the overflowing cylinder, the aeration part is mounted at the bottom in the overflowing cylinder, and the air supply part is used for conveying air into the aeration part; elastic loading pieces are installed on the inner walls of the periphery of the lower portion of the overflowing cylinder. The aluminum alloy workpiece rotates in the hole sealing liquid, drives the hole sealing liquid to flow, accelerates diffusion and shortens the hole sealing time, the overflowing barrel is controlled to rotate suddenly and slowly, the workpiece is shaken, the agitation contact with the hole sealing liquid is increased, meanwhile, the streaming piece rotates to stir the hole sealing liquid, convective mass transfer is enhanced, meanwhile, aeration is conducted on the hole sealing liquid, and the hole sealing effect is improved. Generated tiny bubbles drive the hole sealing liquid to form gas-liquid mixed flow, so that the flowability and the stirring effect are enhanced, and the penetration depth and the hole sealing efficiency are improved.

Description

Technical Field

[0001] This invention relates to the field of aluminum alloy anodizing and sealing technology, and in particular to a method and apparatus for aluminum alloy anodizing and sealing. Background Technology

[0002] Aluminum alloy, as a lightweight, high-strength, corrosion-resistant, and easy-to-process non-ferrous metal material, is widely used in the photovoltaic industry, mainly for manufacturing the frames and support structures of solar photovoltaic panels. However, during the production process, after the anodizing surface treatment, aluminum alloy must undergo an anodizing sealing process. This is because anodizing forms a porous aluminum oxide film on the surface of the aluminum alloy. Although this film has high hardness and wear resistance, its porous structure easily adsorbs moisture, corrosive ions, and pollutants, leading to pitting corrosion or film powdering of the aluminum substrate. In photovoltaic applications, the modules are exposed to the outdoors for a long time, facing environments such as rain, humidity, salt spray, and temperature differences. If the oxide film is not sealed, it will affect the durability of the aluminum alloy frame and its ability to protect the photovoltaic cells.

[0003] When sealing aluminum alloys, the aluminum alloy needs to be placed in an acidic sealing solution containing nickel fluoride, and the solution temperature should be maintained at 25℃~35℃. Under these conditions, nickel ions and fluoride ions in the solution work together. Nickel ions fill the pores of the film by chemical adsorption and deposition with aluminum oxide, while fluoride ions can activate the oxide film surface, promote the nickel deposition reaction and improve the uniformity and depth of sealing, thereby forming a sealing layer on the surface of the aluminum alloy.

[0004] When sealing aluminum alloys, they are immersed in a container with sealing liquid. However, the workpiece and the sealing liquid are usually in a relatively static state. The transfer of the sealing liquid on the oxide film surface and inside the micropores mainly depends on natural diffusion. This diffusion process takes a long time, which can make it difficult for the active ingredients in the sealing liquid to penetrate into the deep part of the oxide film microporous structure and complex blind hole areas. Ultimately, this results in incomplete micropore sealing, forming a penetration barrier or diffusion dead zone in the film layer, which in turn affects the quality of aluminum alloy sealing.

[0005] To address the aforementioned problems, this application proposes a method and apparatus for sealing aluminum alloy oxide holes. Summary of the Invention

[0006] This invention proposes a method and apparatus for sealing aluminum alloy oxidation, which solves the problem in related technologies where the sealing liquid relies solely on natural diffusion and penetration during static immersion sealing, resulting in low efficiency, difficulty in fully filling the deep micropores and complex structures of the oxide film, and easy to cause uneven sealing, defects, and affect the sealing quality.

[0007] The present invention provides an aluminum alloy anodizing sealing device, comprising a solution cylinder, a flow cylinder, a gas supply component, and a driving component;

[0008] The flow tube is set inside the solution tube and is driven to rotate by the drive component. The outer periphery of the flow tube is provided with densely arranged flow holes. An aeration component is installed at the bottom of the flow tube, and an air supply component is used to transport gas to the aeration component.

[0009] The lower part of the flow tube is equipped with elastic loading members on all four inner walls. The elastic loading members are used to load aluminum alloy workpieces. The end of the elastic loading member slides through the outer periphery of the flow tube and is equipped with a vertically arranged flow-around member.

[0010] As a further optimization of the present invention, the elastic loading component includes a loading tube, an elastic part, and a support rod. The inner walls of the lower part of the flow tube are all equipped with horizontally arranged loading tubes. An elastic part is installed inside the loading tube. One end of the elastic part slides through one end of the loading tube and is fixed with a vertically arranged support rod. A rubber disc for pressing against the aluminum alloy workpiece is sleeved on the support rod. The other end of the elastic part slides through the outer periphery of the flow tube. The flow-around component is installed at the other end of the elastic part.

[0011] As a further optimization of the present invention, the elastic part includes a disc, a loading rod, and a spring. The disc is disposed inside the loading tube, and a horizontally arranged loading rod is fixed on the disc. One end of the loading rod slides through one end of the loading tube, and a support rod is vertically fixed to one end of the loading rod. The other end of the loading rod slides through the outer periphery of the flow tube, and a flow-around component is fixed to the other end of the loading rod. A spring located inside the loading tube is sleeved on the loading rod, and both ends of the spring are respectively connected to the inner wall of the disc and the other end of the loading tube. An opening is provided at one end of the loading tube.

[0012] As a further optimization of the present invention, the flow-driving component includes a strip plate and a swirl section. The strip plate is arranged vertically and fixed to the other end of the loading rod. Multiple swirl sections are installed on the strip plate from top to bottom at intervals.

[0013] As a further optimization of the present invention, the swirl section includes a connecting block, a circular seat and an axial flow blade. Multiple connecting blocks are installed on the strip from top to bottom at intervals. A circular seat is fixed on each of the multiple connecting blocks, and an axial flow blade is rotatably connected to the top of the circular seat.

[0014] As a further optimization of the present invention, the aeration component includes an aeration shaft and an aeration pipe. The aeration shaft is fixed at the bottom center position inside the flow tube. Multiple circumferentially arranged aeration pipes are connected to the aeration shaft. Multiple aeration holes are opened on the surface of the aeration pipes. The air supply component is used to transport gas to the aeration shaft.

[0015] As a further optimization of the present invention, the air supply component includes a rotary joint, an air inlet pipe, and an air pump. The rotary joint is installed at the bottom of the solution cylinder. The rotary joint's rotating outlet end is connected to an air guide pipe that rotates through the bottom of the solution cylinder and extends into it. The bottom of the flow cylinder is fixedly fitted onto the air guide pipe, and the aeration shaft is fixed at the top end of the air guide pipe. The air guide pipe is driven by a driving component to rotate the flow cylinder and the aeration shaft. The air inlet pipe is connected between the air outlet end of the air pump and the air inlet end of the rotary joint.

[0016] As a further optimization of the present invention, the driving component includes a motor, a driving gear and a driven gear. The driven gear is fixedly mounted on the air guide pipe and located between the rotary joint and the solution cylinder. The motor is installed at the bottom of the solution cylinder, and the output end of the motor is connected to the driving gear that meshes with the driven gear.

[0017] As a further optimization of the present invention, the outer periphery of the solution cylinder is connected with an inlet pipe and an outlet pipe from top to bottom, and a valve is installed on the outlet pipe.

[0018] A method for anodizing and sealing aluminum alloys, used in the aforementioned aluminum alloy anodizing and sealing apparatus, includes the following steps:

[0019] Step 1: Place the aluminum alloy workpiece on the support rod in the elastic loading component and position it inside the flow tube. Then, inject the sealing liquid into the solution tube through the inlet pipe to submerge the aluminum alloy workpiece inside the flow tube.

[0020] Step 2: Drive the flow tube to rotate the aeration components inside it, and adjust the driving speed in real time during the rotation process.

[0021] Step 3: During the real-time adjustment of the flow tube rotation speed, the elastic part in the loading tube drives the aluminum alloy profile and the flow-around component to vibrate laterally back and forth.

[0022] Step 4: Gas is delivered to the aeration unit through the gas supply unit, and the sealing liquid is aerated upwards through the aeration unit;

[0023] Step 5: After sealing the holes in the aluminum alloy workpiece, it can be removed from the support rod.

[0024] The above-described technical solution of the present invention has the following beneficial technical effects:

[0025] 1. An aluminum alloy workpiece is fitted onto the support rod in the elastic loading component, placing it inside the flow tube. Then, the sealing liquid is injected into the solution tube through the inlet pipe. The sealing liquid enters through the flow holes on the outer periphery of the aeration component and submerges the aluminum alloy workpiece inside the flow tube. Subsequently, the air guide pipe in the air supply component is driven to rotate by the driving component, and the flow tube fitted on it also rotates. This not only drives the aluminum alloy workpiece to rotate but also agitates the sealing liquid. The above design, by driving the aluminum alloy workpiece to rotate in the sealing liquid, forces the sealing liquid to flow over the surface of the workpiece, accelerates the diffusion process of the sealing liquid, and agitates the sealing liquid as a whole, reducing the local concentration difference of the sealing liquid, promoting the penetration of active ingredients into the microporous structure of the film layer, shortening the sealing time, and improving the uniformity of sealing.

[0026] 2. To improve the contact effect between the sealing fluid and the aluminum alloy workpiece, when the air guide pipe is driven by the drive component to rotate the flow tube, the flow tube can be controlled to rotate at different speeds. During the adjustment of the rotation speed, the elastic part in the loading tube, under the action of elasticity, simultaneously drives the support rod carrying the aluminum alloy workpiece and the flow-around part located on the outer periphery of the flow tube to reciprocate laterally. When the aluminum alloy workpiece is shaken, it can cause agitation between the aluminum alloy workpiece and the sealing fluid, further promoting the contact between the two. When the flow-around part reciprocates laterally, the swirling part in the flow-around part can rotate, which plays a role in agitating the sealing fluid. During the shaking process, the relative motion between the sealing fluid and the surface of the aluminum alloy workpiece is intensified, which can avoid the situation where the concentration of the sealing fluid is too high or too low in a local area due to long-term static placement, further improving the penetration ability and sealing effect of the sealing fluid. At the same time, the rotation and agitation of the swirling part can form turbulence around the flow tube, enhance the convective mass transfer of the sealing fluid, and further ensure that the sealing fluid can penetrate deep into the oxide film and complex blind hole areas.

[0027] 3. To further improve the contact effect between the sealing liquid and the aluminum alloy workpiece, during the process of the drive unit driving the flow tube to rotate the aluminum alloy workpiece, gas can be delivered to the aeration unit through the gas supply unit. The aeration unit aerates the sealing liquid upwards, allowing the aerated sealing liquid to pass through the aluminum alloy workpiece. The above aeration operation can generate a large number of micro bubbles. As these bubbles rise, they will drive the sealing liquid to form an upward flowing gas-liquid mixture, enhancing the fluidity and stirring effect of the sealing liquid. The impact of the bubbles can make the contact between the sealing liquid and the surface of the aluminum alloy workpiece more compact, further improving the penetration depth and sealing efficiency of the sealing liquid. This allows the micropores of the oxide film on the aluminum alloy workpiece to be more fully filled, effectively reducing the possibility of local permeation barriers or diffusion dead zones forming in the film layer. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of an aluminum alloy anodizing sealing device proposed in this invention;

[0029] Figure 2 This is a schematic diagram of the bottom structure of an aluminum alloy anodizing sealing device proposed in this invention;

[0030] Figure 3 This is an internal cross-sectional view of the solution cylinder and the flow tube of the present invention;

[0031] Figure 4 This is a schematic diagram of the mating structure of the elastic loading component and the flow-around component of the present invention;

[0032] Figure 5 This is an internal cross-sectional view of the loading tube of the present invention;

[0033] Figure 6 For the present invention Figure 5 Enlarged view of A in the middle;

[0034] Figure 7 This is a schematic diagram of the structure of the swirl section of the present invention;

[0035] Figure 8 This is a schematic diagram of the cooperative structure of the aeration component, air supply component, and driving component of the present invention.

[0036] Reference numerals: 1. Solution cylinder; 101. Inlet pipe; 102. Drain pipe; 103. Valve; 2. Flow cylinder; 201. Flow hole; 21. Aeration component; 211. Aeration shaft; 212. Aeration pipe; 213. Aeration hole; 3. Air supply component; 31. Rotary joint; 311. Air guide pipe; 32. Air inlet pipe; 33. Air pump; 4. Drive component; 41. Motor; 42. Drive gear; 43. Driven gear; 5. Elastic loading component; 501. Opening; 51. Loading pipe; 52. Elastic part; 521. Disc; 522. Loading rod; 523. Spring; 53. Support rod; 531. Rubber disc; 6. Flow-around component; 61. Strip plate; 62. Swirl part; 621. Connecting block; 622. Circular seat; 623. Axial flow blade. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments and the accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of the invention. Furthermore, descriptions of well-known structures and techniques are omitted in the following description to avoid unnecessarily obscuring the concept of the invention.

[0038] Example 1

[0039] like Figure 1-8 As shown, the present invention proposes an aluminum alloy anodizing sealing device, which includes a solution cylinder 1, a flow cylinder 2, a gas supply component 3, and a driving component 4.

[0040] The flow tube 2 is set inside the solution tube 1 and is driven to rotate by the drive component 4. The outer periphery of the flow tube 2 is provided with densely arranged flow holes 201. An aeration component 21 is installed at the bottom inside the flow tube 2, and the gas supply component 3 is used to transport gas to the aeration component 21.

[0041] Elastic loading members 5 are installed on the inner walls of the lower part of the flow tube 2. The elastic loading members 5 are used to load aluminum alloy workpieces. The end of the elastic loading member 5 slides through the outer periphery of the flow tube 2 and is equipped with vertically arranged flow bypass members 6.

[0042] An aluminum alloy workpiece is loaded onto the elastic loading member 5 and placed inside the flow tube 2. Sealing liquid is then injected into the solution cylinder 1, submerging the aluminum alloy workpiece inside the flow tube 2. The drive member 4 then drives the flow tube 2 to rotate, causing the aluminum alloy workpiece to rotate. The flow holes 201 on its outer periphery allow for the flow of sealing liquid between the solution cylinder 1 and the flow tube 2, ensuring circulation and exchange of sealing liquid inside and outside the flow tube 2. This prevents the depletion of active ingredients in the sealing liquid in certain areas. The elastic loading member 5 can generate lateral vibrations during rotation or changes in rotation speed, further... The flow-around component 6 reciprocates and vibrates with the movement of the elastic loading component 5, promoting contact between the workpiece and the sealing liquid. This generates turbulence in the sealing liquid, enhancing the stirring effect of the liquid and reducing the diffusion dead zone. During this process, the aeration component 21 receives the gas supplied by the air supply component 3 and aerates the sealing liquid in the flow tube 2. The rising and turbulence of the bubbles enhance the flow of the sealing liquid. The above achieves the integrated function of workpiece bearing, solution circulation, and aeration turbulence, breaking the limitations of traditional static sealing and further improving the effect of anodizing and sealing aluminum alloy workpieces.

[0043] In this embodiment, the elastic loading member 5 includes a loading tube 51, an elastic part 52, and a support rod 53. The inner walls of the lower part of the flow tube 2 are all equipped with horizontally arranged loading tubes 51. The elastic part 52 is installed inside the loading tube 51. One end of the elastic part 52 slides through one end of the loading tube 51 and is fixed with a vertically arranged support rod 53. A rubber disc 531 for pressing against the aluminum alloy workpiece is sleeved on the support rod 53. The other end of the elastic part 52 slides through the outer periphery of the flow tube 2. The flow bypass member 6 is installed at the other end of the elastic part 52.

[0044] It should be noted that when the aluminum alloy profile is fitted onto the support rod 53, the rubber disc 531 can be fitted onto the support rod 53, so that the rubber disc 531 is inserted into the aluminum alloy profile and plays a role in tightening the inner wall of the aluminum alloy profile.

[0045] When the rotation speed of the flow tube 2 changes, the elastic part 52 reciprocates due to inertia, causing the aluminum alloy workpiece on the support rod 53 to vibrate, which improves the scouring effect of the sealing liquid on the surface of the workpiece. In addition, when the elastic part 52 reciprocates, it can drive the flow-around part 6 on the outer periphery of the flow tube 2 to follow the reciprocating motion, which agitates the sealing liquid around it. The above design increases the contact area and contact frequency between the aluminum alloy workpiece and the sealing liquid, effectively reducing the sealing dead angle.

[0046] In this embodiment, the elastic part 52 includes a disc 521, a loading rod 522 and a spring 523. The disc 521 is disposed inside the loading tube 51, and a horizontally arranged loading rod 522 is fixed on the disc 521. One end of the loading rod 522 slides through one end of the loading tube 51, and a support rod 53 is vertically fixed to one end of the loading rod 522. The other end of the loading rod 522 slides through the outer periphery of the flow tube 2, and the flow-around element 6 is fixed to the other end of the loading rod 522. A spring 523 located inside the loading tube 51 is sleeved on the loading rod 522, and both ends of the spring 523 are respectively connected to the inner wall of the disc 521 and the other end of the loading tube 51. An opening 501 is provided at one end of the loading tube 51.

[0047] When the rotational speed of the flow tube 2 changes, the spring 523 provides elastic restoring force, causing the loading rod 522 to reciprocate during rotation. The opening 501 allows the sealing liquid to enter the loading tube 51, preventing liquid stagnation. The disc 521 moves laterally back and forth under the action of the spring 523 and the loading rod 522. When the loading rod 522 moves laterally back and forth, it can drive the support rod 53 and the flow-around component 6 to move back and forth synchronously. The above design enhances the relative movement between the sealing liquid and the workpiece surface through reciprocating vibration, avoiding local accumulation or uneven concentration of the sealing liquid on the workpiece surface, and improving the sealing effect of aluminum alloy workpieces.

[0048] In this embodiment, the flow-encircling component 6 includes a strip 61 and a swirling section 62. The strip 61 is vertically arranged and fixed to the other end of the loading rod 522. Multiple swirling sections 62 are installed on the strip 61 from top to bottom at intervals. The strip 61 moves laterally back and forth with the loading rod 522, causing the swirling sections 62 to swing in the sealing liquid, which agitates the sealing liquid. Furthermore, the multiple swirling sections 62 are distributed vertically, which can cover different liquid depths, enhance the overall mixing effect of the liquid, and avoid concentration stratification.

[0049] In this embodiment, the swirling section 62 includes a connecting block 621, a circular seat 622, and an axial flow blade 623. Multiple connecting blocks 621 are installed on the strip 61 from top to bottom at intervals. A circular seat 622 is fixed on each of the multiple connecting blocks 621. An axial flow blade 623 is rotatably connected to the top of the circular seat 622. When the strip 61 moves laterally back and forth with the loading rod 522, the connecting block 621 drives the axial flow blade 623 on the circular seat 622 to move laterally back and forth in the solution. The axial flow blade 623 rotates freely under the action of liquid flow, further dispersing the liquid flow, breaking the laminar flow state of the sealing liquid, enhancing the convective mass transfer of the sealing liquid, and enabling the sealing liquid in different areas of the solution cylinder 1 to mix quickly, avoiding a decrease in the concentration of active ingredients in the local sealing liquid, and providing a more uniform sealing environment for the aluminum alloy workpiece in the flow cylinder 2.

[0050] In this embodiment, the aeration component 21 includes an aeration shaft 211 and an aeration pipe 212. The aeration shaft 211 is fixed at the bottom center position inside the flow tube 2. Multiple circumferentially arranged aeration pipes 212 are connected to the aeration shaft 211. Multiple aeration holes 213 are opened on the surface of the aeration pipes 212. The air supply component 3 is used to transport gas into the aeration shaft 211. After the gas is transported into the aeration shaft 211 through the air supply component 3, it enters the aeration pipes 212 along the aeration shaft 211 and is discharged from the aeration holes 213, forming an upward-flowing bubble group. The bubbles drive the sealing liquid to move upward, enhancing liquid convection. The impact of the bubbles on the surface of the aluminum alloy workpiece can also make the contact between the sealing liquid and the workpiece closer, promoting the penetration of active ingredients into the deep micropores of the oxide film, improving sealing efficiency and sealing integrity.

[0051] In this embodiment, the air supply component 3 includes a rotary joint 31, an air inlet pipe 32, and an air pump 33. The rotary joint 31 is installed at the bottom of the solution cylinder 1. The rotating outlet end of the rotary joint 31 is connected to an air guide pipe 311 that rotates through the bottom of the solution cylinder 1 and extends into it. The bottom of the flow cylinder 2 is fixedly fitted onto the air guide pipe 311, and the aeration shaft 211 is fixed at the top end of the air guide pipe 311. The air guide pipe 311 is driven by the driving component 4 to rotate the flow cylinder 2 and the aeration shaft 211. The air inlet pipe 32 is connected between the air outlet end of the air pump 33 and the air inlet end of the rotary joint 31. In use, the air pump 33 delivers gas to the rotary joint 31 through the air inlet pipe 32, and then delivers it to the aeration shaft 211 through the air guide pipe 311. The air guide pipe 311 also serves as a rotating shaft, driven by the driving component 4 to rotate the flow cylinder 2 and the aeration component 21 synchronously, realizing the integration of rotation and aeration functions.

[0052] In this embodiment, the driving component 4 includes a motor 41, a driving gear 42 and a driven gear 43. The driven gear 43 is fixedly mounted on the air guide pipe 311 and located between the rotary joint 31 and the solution cylinder 1. The motor 41 is installed at the bottom of the solution cylinder 1, and the output end of the motor 41 is connected to the driving gear 42 that meshes with the driven gear 43.

[0053] During operation, the motor 41 drives the drive gear 42 to rotate the driven gear 43. When the driven gear 43 rotates, it drives the air guide pipe 311, the flow tube 2 and the aeration element 21 inside it to rotate synchronously. In specific operation, the speed of the flow tube 2 can be adjusted by the motor 41, making it sometimes fast and sometimes slow, in order to cooperate with the action of the elastic loading element 5, so as to drive the aluminum alloy workpiece and the flow surrounding element 6 to reciprocate and shake simultaneously.

[0054] In this embodiment, the outer periphery of the solution cylinder 1 is connected to an inlet pipe 101 and an outlet pipe 102 from top to bottom. A valve 103 is installed on the outlet pipe 102. When sealing the aluminum alloy workpiece, the sealing liquid is injected into the solution cylinder 1 through the inlet pipe 101. After the aluminum alloy workpiece is oxidized and sealed, the valve 103 on the outlet pipe 102 can be opened to discharge the waste liquid through the outlet pipe 102, which facilitates subsequent solution replacement and cleaning of the solution cylinder 1.

[0055] Example 2

[0056] Based on Example 1, a sealing method is proposed, as follows:

[0057] A method for anodizing and sealing aluminum alloys, used in the aforementioned aluminum alloy anodizing and sealing apparatus, includes the following steps:

[0058] Step 1: Place the aluminum alloy workpiece on the support rod 53 in the elastic loading member 5, so that it is placed in the flow tube 2. Then, inject the sealing liquid into the solution tube 1 through the liquid inlet pipe 101, so that it submerges the aluminum alloy workpiece in the flow tube 2.

[0059] Step 2: Drive the flow tube 2 through the drive component 4 to drive the aeration component 21 inside it to rotate, and adjust the driving speed in real time during the rotation process.

[0060] Step 3: During the real-time adjustment of the rotation speed of the flow tube 2, the elastic part 52 in the loading tube 51 drives the aluminum alloy profile and the flow-around part 6 to vibrate laterally.

[0061] Step 4: Gas is delivered to the aeration unit 21 through the gas supply unit 3, and the sealing liquid is aerated upward through the aeration unit 21.

[0062] Step 5: After sealing the holes in the aluminum alloy workpiece, it can be removed from the support rod 53.

[0063] This method uses a triple action of rotation, shaking, and aeration to force the sealing liquid to form a dynamic flow on the surface of the aluminum alloy workpiece and in the micropores, thereby improving the penetration efficiency and uniformity of the sealing liquid. The rotation provides overall stirring, the shaking enhances local scouring, and the aeration promotes deep penetration. The three work together to effectively avoid diffusion dead zones and improve the sealing quality and efficiency.

[0064] The embodiments of the present invention have been described above, but the embodiments are not limited to the specific implementation methods described above. The specific implementation methods described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the embodiments described above, all of which are within the protection scope of the embodiments described above.

Claims

1. An aluminum alloy anodizing and sealing device, characterized in that, It includes a solution cylinder (1), a flow tube (2), an air supply component (3), and a drive component (4); The flow tube (2) is set inside the solution tube (1) and is driven to rotate by the drive (4). The outer periphery of the flow tube (2) is provided with densely arranged flow holes (201). An aeration element (21) is installed at the bottom inside the flow tube (2), and an air supply element (3) is used to transport gas to the aeration element (21). The inner walls of the lower part of the flow tube (2) are equipped with elastic loading members (5), and the elastic loading members (5) are used to load aluminum alloy workpieces. The end of the elastic loading member (5) slides through the outer periphery of the flow tube (2) and is equipped with vertically arranged flow-around members (6).

2. The aluminum alloy anodizing sealing device according to claim 1, characterized in that, The elastic loading component (5) includes a loading tube (51), an elastic part (52), and a support rod (53). The inner walls of the lower part of the flow tube (2) are equipped with horizontally arranged loading tubes (51). An elastic part (52) is installed inside the loading tube (51). One end of the elastic part (52) slides through one end of the loading tube (51) and is fixed with a vertically arranged support rod (53). A rubber disc (531) for pressing against the aluminum alloy workpiece is sleeved on the support rod (53). The other end of the elastic part (52) slides through the outer periphery of the flow tube (2). The flow-around component (6) is installed at the other end of the elastic part (52).

3. The aluminum alloy anodizing sealing device according to claim 2, characterized in that, The elastic part (52) includes a disc (521), a loading rod (522) and a spring (523). The disc (521) is disposed inside the loading tube (51), and a horizontally arranged loading rod (522) is fixed on the disc (521). One end of the loading rod (522) slides through one end of the loading tube (51), and a support rod (53) is vertically fixed to one end of the loading rod (522). The other end of the loading rod (522) slides through the outer periphery of the flow tube (2), and a flow-around component (6) is fixed to the other end of the loading rod (522). A spring (523) located inside the loading tube (51) is sleeved on the loading rod (522), and both ends of the spring (523) are respectively connected to the inner wall of the other end of the disc (521) and the loading tube (51). An opening (501) is provided at one end of the loading tube (51).

4. The aluminum alloy anodizing sealing device according to claim 3, characterized in that, The flow-driving component (6) includes a strip (61) and a swirl section (62). The strip (61) is arranged vertically and fixed to the other end of the loading rod (522). Multiple swirl sections (62) are installed on the strip (61) from top to bottom at intervals.

5. The aluminum alloy anodizing sealing device according to claim 4, characterized in that, The swirling section (62) includes a connecting block (621), a circular seat (622), and an axial flow blade (623). Multiple connecting blocks (621) are installed on the strip (61) from top to bottom at intervals. A circular seat (622) is fixed on each of the multiple connecting blocks (621). An axial flow blade (623) is rotatably connected to the top of the circular seat (622).

6. The aluminum alloy anodizing sealing device according to claim 1, characterized in that, The aeration component (21) includes an aeration shaft (211) and an aeration pipe (212). The aeration shaft (211) is fixed at the bottom center position inside the flow tube (2). Multiple circumferentially arranged aeration pipes (212) are connected to the aeration shaft (211). Multiple aeration holes (213) are opened on the surface of the aeration pipes (212). The air supply component (3) is used to transport gas to the aeration shaft (211).

7. The aluminum alloy anodizing sealing device according to claim 6, characterized in that, The air supply component (3) includes a rotary joint (31), an air inlet pipe (32), and an air pump (33). The rotary joint (31) is installed at the bottom of the solution cylinder (1). The rotary joint (31) is connected to a guide pipe (311) that rotates through the bottom of the solution cylinder (1) and extends into it. The bottom of the flow cylinder (2) is fixedly fitted on the guide pipe (311), and the aeration shaft (211) is fixed at the top of the guide pipe (311). The guide pipe (311) is driven by the driving component (4) to rotate the flow cylinder (2) and the aeration shaft (211). The air inlet pipe (32) is connected between the air outlet of the air pump (33) and the air inlet of the rotary joint (31).

8. The aluminum alloy anodizing sealing device according to claim 7, characterized in that, The driving component (4) includes a motor (41), a driving gear (42) and a driven gear (43). The driven gear (43) is fixedly mounted on the gas guide pipe (311) and located between the rotary joint (31) and the solution cylinder (1). The motor (41) is installed at the bottom of the solution cylinder (1). The output end of the motor (41) is connected to the driving gear (42) that meshes with the driven gear (43).

9. The aluminum alloy anodizing sealing device according to claim 1, characterized in that, The solution cylinder (1) is connected to an inlet pipe (101) and an outlet pipe (102) from top to bottom on its outer periphery. A valve (103) is installed on the outlet pipe (102).

10. A method for anodizing and sealing aluminum alloys, used in the aluminum alloy anodizing and sealing apparatus as described in any one of claims 1-9, characterized in that, Includes the following steps: Step 1: Place the aluminum alloy workpiece on the support rod (53) in the elastic loading component (5) and place it in the flow tube (2). Then inject the sealing liquid into the solution tube (1) through the liquid inlet pipe (101) so that it submerges the aluminum alloy workpiece in the flow tube (2). Step 2: Drive the flow tube (2) through the drive component (4) to drive the aeration component (21) inside to rotate, and adjust the driving speed in real time during the rotation process; Step 3: During the real-time adjustment of the rotation speed of the flow tube (2), the elastic part (52) in the loading tube (51) drives the aluminum alloy profile and the flow-around part (6) to vibrate laterally. Step 4: Gas is delivered to the aeration unit (21) through the gas supply unit (3), and the sealing liquid is aerated upward through the aeration unit (21); Step 5: After sealing the holes in the aluminum alloy workpiece, it can be removed from the support rod (53).

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