Aluminum bar surface nickel plating corrosion-resistant treatment method

Abstract

The invention discloses an aluminum bar surface nickel plating corrosion-resistant treatment method, and relates to the technical field of aluminum bar nickel plating treatment.The method comprises the steps that an aluminum bar is conveyed into a sliding plate and a guide rail through a conveying mechanism, and then through a cleaning opening formed in the sliding plate and a cleaning opening formed in the sliding plate, the surface of the aluminum bar is cleaned through oil removing powder; the method comprises the following steps: removing greasy dirt and grease on the surface of an aluminum bar, then descaling, removing an oxide layer on the surface of the aluminum bar by adopting an acidic descaling agent to enable the surface of the aluminum bar to be in a clean state, wrapping the aluminum bar by a PA material, demolding, and carrying out nickel plating operation on a nickel plating assembly by adopting a nickel aminosulfonate system at a specific temperature and current density. The problems that in a traditional treatment mode, the surface of the aluminum bar is not cleaned thoroughly, and the nickel plating quality is poor are effectively solved, the nickel plating corrosion resistance treatment efficiency and quality of the aluminum bar are remarkably improved, and reliable guarantee is provided for high-quality machining of the aluminum bar.

Description

Technical Field

[0001] The invention relates to the technical field of nickel plating treatment of aluminum bars, and in particular to a method for nickel plating corrosion resistance treatment of the surface of an aluminum bar. Background Art

[0002] Aluminum busbars have good electrical conductivity and low resistance, and can efficiently transmit electric energy. They are often used as busbars in substations, distribution rooms and other places to connect transformers, distribution cabinets, switches and other electrical equipment to achieve the distribution and transmission of electric energy. In order to solve the corrosion resistance problem of aluminum busbars, nickel plating has become a common technical means. The nickel plating layer not only has good corrosion resistance, which can effectively isolate the aluminum busbar from the contact with the external corrosive medium, but also can significantly improve the surface hardness and wear resistance of the aluminum busbar and enhance its physical properties.

[0003] In this regard, the patent document with publication number CN113555165B discloses a continuous production line for copper-clad aluminum bars, which includes a continuous aluminum bar extruder, a copper tube feeding device, a front sealing rolling mill, a rear sealing rolling mill, an external reducing flame spray gun, an internal reducing flame spray gun, an internal spray gun moving machine, a material guide rack and a continuous composite rolling mill; the continuous production line for copper-clad aluminum bars can effectively save manpower and material resources and improve the production efficiency of copper-clad aluminum bars.

[0004] Nickel plating of aluminum busbars is a common surface treatment method that can form a uniform coating on the surface of the aluminum busbars and improve the corrosion resistance of the product. Because aluminum busbars need to be bent, the coating needs to have low stress and high ductility. However, in the traditional nickel plating process of aluminum busbars, there are usually oil stains, impurities and microscopic unevenness on the surface of the aluminum busbars, which will lead to poor adhesion between the nickel plating layer and the aluminum busbars, and the coating is prone to fall off. On the other hand, during the pretreatment process before nickel plating, if the operation is improper, it may cause secondary damage to the surface of the aluminum busbar, further affecting the nickel plating effect.

[0005] In view of the above problems, a method for treating the surface of aluminum bars with nickel plating for corrosion resistance is proposed. Summary of the invention

[0006] The purpose of the present invention is to provide a method for treating the surface of an aluminum bar with nickel for corrosion resistance, thereby solving the problem in the background art that defects on the surface of the aluminum bar will affect the nickel plating.

[0007] To achieve the above object, the present invention provides the following technical solution: a method for treating the surface of an aluminum bar with nickel plating for corrosion resistance, comprising the following steps:

[0008] Step 1: Place the aluminum row to be processed on the support frame, and transport the aluminum row to the inside of the sliding plate and the guide rail through the conveying mechanism;

[0009] Step 2: Degreasing: Use the cleaning port inside the sliding plate to clean the aluminum bar surface with degreasing powder to remove the oil and grease on the surface of the aluminum bar, and then descale: Use an acidic descaling agent to remove the oxide layer on the surface of the aluminum bar, so that the surface of the aluminum bar is clean;

[0010] Step 3: Environmentally friendly zinc deposition, using environmentally friendly zinc deposition aluminum to form a uniform and dense zinc replacement layer on the surface, the reaction time is 10-60 seconds, and the reaction temperature is 20-30℃;

[0011] Step 4: During cleaning, the surface of the aluminum bar is cleaned by the conveying component to remove adhering impurities. After cleaning, the conveying is continued. After the aluminum bar is conveyed to the armoring component, the PA extrusion device starts to work, and the molten PA material is evenly extruded to wrap the aluminum bar, and demolding is performed after cooling;

[0012] Step 5: Obtaining a coating by nickel sulfamate at 40-60°C and a current density of 1-20ASD;

[0013] A connecting plate is fixedly connected to the surface of the support frame, a pushing groove is provided inside the connecting plate, a sliding plate is embedded inside the pushing groove, a cleaning port is installed on one side of the sliding plate, a guide rail is fixedly connected to the outer side of the sliding plate, and the guide rail is used to wrap the cleaning port;

[0014] The inner wall of the support frame is connected with a conveying assembly, which includes a conveying roller, the outer surface of the conveying roller is wrapped with a conveying belt, the outer surface of the conveying belt is fixedly connected with a central supporting belt, the outer surface of the conveying belt is also connected with a propulsion belt, the propulsion belt and the conveying belt are slidably connected, both ends of the conveying roller are provided with sliding sheets, the sliding sheets and the conveying roller are coaxially arranged, the outer surface of the sliding sheets is sleeved with a linkage belt, one group of the linkage belts has a first pull rod embedded in it, and the other group of the linkage belts has a second pull rod embedded in it;

[0015] A steering assembly is fixedly connected to the inner wall of the guide rail, and the steering assembly includes a pressing strip. The guide rail and the pressing strip are fixedly connected, a sliding groove is opened at the bottom end of the pressing strip, a pressing shaft is embedded in the sliding groove, and the bottom end of the pressing shaft is rotatably connected to the pressure plate.

[0016] Preferably, the sliding plate is arranged in an L shape, and the bottom end of the sliding plate is embedded in the interior of the propulsion groove and is slidably arranged with the propulsion groove.

[0017] Preferably, the conveyor belt is supported by two conveyor rollers, the conveyor belt passes through the interior of the guide rail, the rotation of the conveyor rollers is driven by a motor, and the rotation of the conveyor rollers drives the conveyor belt to rotate to realize the conveyance of the aluminum row.

[0018] Preferably, a cleaning sheet is fixedly connected to the side of the pushing belt, the cleaning sheet is evenly distributed on the side of the pushing belt, and the cleaning sheet is made of flexible material.

[0019] Preferably, the bottom surface of the cleaning sheet is attached to the upper surface of the conveyor belt, and the cleaning sheet slides on the surface of the conveyor belt to clean the surface of the conveyor belt.

[0020] Preferably, sliding plates are provided on both sides of the conveying roller via a rotating shaft, and the rotation of the two groups of sliding plates is driven manually, and when one group of sliding plates rotates counterclockwise, the other group of linkage belts rotates clockwise.

[0021] Preferably, the first pull rod and the second pull rod pass through the interior of the linkage belt and the propulsion belt pair, a through hole is opened in the middle position of the central support belt, the first pull rod and the second pull rod are embedded in the through hole, and the first pull rod, the second pull rod and the through hole correspond to each other.

[0022] Preferably, magnets are provided at the ends of the second pull rod and the first pull rod to achieve magnetic connection therebetween.

[0023] Preferably, an armoring component is fixedly connected to the bottom surface of the support frame, and the armoring component includes a hydraulic rod, and the output end of the hydraulic rod is connected to a top plate, and the top surface of the support frame is fixedly connected to a cover plate, and the bottom surface of the cover plate is provided with an armoring bin, a feed trough is provided on one side of the armoring bin, an extrusion hole is provided inside the armoring bin, and one end of the extrusion hole is connected to an extruder, and the aluminum bar is transported to the inside of the armoring bin through the feed trough, and the raw material is extruded through the extrusion hole for armoring the aluminum bar.

[0024] On the other hand, the present invention further provides an aluminum bar, the surface of which is prepared by the above-mentioned method for treating the surface of the aluminum bar with nickel plating for corrosion resistance.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. The present invention provides a method for treating corrosion resistance by nickel plating on the surface of aluminum bars. Through the support frame, sliding plate, guide rail and cleaning port, impurities can be flushed with high airflow at the initial stage of aluminum bar transportation, and the coordinated operation of the propulsion belt and cleaning sheet in the conveying component can further remove adhered impurities, solving the problem of inadequate traditional cleaning, providing a high-quality surface foundation for subsequent nickel plating, greatly improving the adhesion and uniformity of the nickel plating layer, and improving the quality of nickel plating. At the same time, the rotation of the aluminum bar is realized, making the cleaning more comprehensive, and the impurities can be efficiently discharged, which greatly improves the effect and efficiency of the corrosion resistance treatment of the surface of the aluminum bar by nickel plating. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the structure of the support frame and the guide rail of the present invention;

[0029] Figure 3 It is a structural schematic diagram of the hydraulic rod and the top plate of the present invention;

[0030] Figure 4 It is a schematic diagram of the structure of the armored warehouse and the feed trough of the present invention;

[0031] Figure 5 It is a schematic diagram of the structure of the conveying roller and the propulsion belt of the present invention;

[0032] Figure 6 It is a structural schematic diagram of the sliding plate and the cleaning port of the present invention;

[0033] Figure 7 It is a structural schematic diagram of the pressing shaft and the pressing plate of the present invention;

[0034] Figure 8 It is a schematic structural diagram of the sliding groove and the second pull rod of the present invention.

[0035] In the figure: 11. Support frame; 12. Connecting plate; 13. Sliding plate; 14. Cleaning port; 15. Guide rail; 16. Propulsion groove; 2. Armor assembly; 21. Hydraulic rod; 22. Top plate; 23. Cover plate; 24. Armor bin; 25. Feed trough; 26. Extrusion hole; 3. Conveying assembly; 31. Conveying roller; 32. Propulsion belt; 33. Cleaning sheet; 34. Center support belt; 35. Conveyor belt; 36. Sliding sheet; 37. Linkage belt; 4. Steering assembly; 41. Pressing strip; 42. Sliding groove; 43. Pressing shaft; 44. Pressing plate; 45. First pull rod; 46. Second pull rod. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings.

[0038] Combination Figure 1-Figure 8 The present invention provides a method for treating the surface of an aluminum bar with nickel plating for corrosion resistance, comprising the following steps:

[0039] Step 1: Place the aluminum row to be processed on the support frame 11, and transport the aluminum row to the inside of the sliding plate 13 and the guide track 15 through the conveying mechanism.

[0040] Step 2: Degreasing. The surface of the aluminum bar is cleaned through the cleaning port 14 provided inside the sliding plate 13 with degreasing powder, wherein the degreasing powder is one of sodium hydroxide, sodium carbonate or sodium silicate, to remove oil and grease on the surface of the aluminum bar. Then, descaling is performed. An acidic descaling agent is used to remove the oxide layer on the surface of the aluminum bar, so that the surface of the aluminum bar is clean. Since aluminum is an active metal that reacts violently with acids and alkalis, the degreasing powder can fully clean the substrate surface without corroding the substrate metal, thereby obtaining a uniform and dense substrate surface.

[0041] Step 3: Environmentally friendly zinc deposition. Use environmentally friendly zinc deposition to form a uniform and dense zinc replacement layer on the surface of the aluminum plate. The reaction time is 10 seconds and the reaction temperature is 20°C, which greatly improves the bonding strength and corrosion resistance of the subsequent nickel plating.

[0042] Step 4: During cleaning, the surface of the aluminum bar is cleaned by the conveying component 3 to remove adherent impurities. After cleaning, the conveying is continued. After the aluminum bar is conveyed to the armoring component 2, the PA extrusion device starts to work, and the molten PA material is evenly extruded to wrap the aluminum bar, and demolding is performed after cooling;

[0043] Step 5: At 40°C and a current density of 10 ASD, nickel sulfamate, borax and brightener in the nickel sulfamate system are used to obtain a dense, uniform and low-stress coating, and by adjusting parameters and controlling the deposition rate, a composite nickel coating with different crystal particles is obtained, the pores are mutually closed, and the product has good corrosion resistance;

[0044] In order to improve the nickel plating effect of aluminum bars, it is necessary to clean their surfaces. However, traditional cleaning will still leave residual impurities, resulting in inadequate cleaning, which will affect the quality of nickel plating. To solve this problem, the specific operations are as follows:

[0045] A connecting plate 12 is fixedly connected to the surface of the supporting frame 11, a pushing groove 16 is provided inside the connecting plate 12, a sliding plate 13 is embedded inside the pushing groove 16, the sliding plate 13 is arranged in an L shape, the bottom end of the sliding plate 13 is embedded in the pushing groove 16 and is slidably arranged with the pushing groove 16, a cleaning port 14 is installed on one side surface of the sliding plate 13, a guide rail 15 is fixedly connected to the outer side surface of the sliding plate 13, and the guide rail 15 is used to wrap the cleaning port 14;

[0046] First, when processing the aluminum bar, the aluminum bar is placed on the conveyor belt 35, and the conveyor belt 35 is driven by the rotation of the conveyor roller 31 driven by the motor, thereby conveying the aluminum bar. During the process, the aluminum bar first enters the interior of the guide track 15, and a high-flow gas is blown into the cleaning port 14 to flush the impurities on the surface of the aluminum bar. After the flushing is completed, the surface treatment is completed until it is transported to the interior of the armor assembly 2 for armoring, thereby increasing the protection of the aluminum bar;

[0047] An armor component 2 is fixedly connected to the bottom surface of the support frame 11, and the armor component 2 includes a hydraulic rod 21. The output end of the hydraulic rod 21 is connected to a top plate 22. A cover plate 23 is fixedly connected to the top surface of the support frame 11. An armor bin 24 is provided on the bottom surface of the cover plate 23. A feed trough 25 is provided on one side of the armor bin 24. An extrusion hole 26 is provided inside the armor bin 24. An extruder is connected to one end of the extrusion hole 26. The aluminum bar is transported to the inside of the armor bin 24 through the feed trough 25, and the raw material is extruded through the extrusion hole 26 for armoring the aluminum bar.

[0048] When the aluminum bar is armored, the aluminum bar is transported forward by the transmission of the conveyor belt 35. At this time, the top plate 22 approaches one side of the armoring bin 24, so that the height of the top plate 22 is consistent with the height of the conveyor belt 35. Then the aluminum bar is transported through the feed trough 25 and enters the armoring bin 24. After it is completely inside the armoring bin 24, the top plate 22 moves upward again until it is completely embedded in the armoring bin 24. At this time, the PA material is transported to the extrusion hole 26 through the extruder. The molten PA material is filled into the armoring bin 24 and then covers the aluminum bar. After the temperature cools to normal, it is demolded and finally its surface is trimmed. The armoring increases the protection of the aluminum bar to prevent it from being damaged.

[0049] The inner wall of the support frame 11 is connected with a conveying assembly 3, which includes a conveying roller 31. The outer surface of the conveying roller 31 is wrapped with a conveying belt 35. The conveying belt 35 is supported by two conveying rollers 31. The conveying belt 35 runs through the inside of the guide track 15. The rotation of the conveying roller 31 is driven by a motor. The rotation of the conveying roller 31 drives the conveying belt 35 to rotate to realize the conveying of the aluminum row. The outer surface of the conveying belt 35 is fixedly connected with a central supporting belt 34. The outer surface of the conveying belt 35 is also connected with a propulsion belt 32. The propulsion belt 32 and the conveying belt 35 are slidably connected. Both ends of the conveying roller 31 are provided with The sliding sheet 36 is coaxially arranged with the conveying roller 31. The outer surface of the sliding sheet 36 is sleeved with a linkage belt 37. A first pull rod 45 is embedded in one set of the linkage belts 37, and a second pull rod 46 is embedded in another set of the linkage belts 37. A cleaning sheet 33 is fixedly connected to the side of the advancing belt 32. The cleaning sheets 33 are evenly distributed on the side of the advancing belt 32, and the cleaning sheets 33 are made of a flexible material, wherein the flexible material is silica gel. The bottom surface of the cleaning sheet 33 is attached to the upper surface of the conveying belt 35. The cleaning sheet 33 is attached to the surface of the conveying belt 35 to slide, and is used to clean the surface of the conveying belt 35.

[0050] Sliding sheets 36 are provided on both sides of the conveying roller 31 through a rotating shaft. The rotation of the two sets of sliding sheets 36 is driven manually. When one set of sliding sheets 36 rotates counterclockwise, the other set of linkage belts 37 rotates clockwise.

[0051] A steering assembly 4 is fixedly connected to the inner wall of the guide rail 15, and the steering assembly 4 includes a pressing strip 41. The guide rail 15 and the pressing strip 41 are fixedly connected. A sliding groove 42 is provided at the bottom end of the pressing strip 41, and a pressing shaft 43 is embedded in the sliding groove 42. The bottom end of the pressing shaft 43 is rotatably connected to a pressing plate 44. The first pull rod 45 and the second pull rod 46 pass through the interior of the linkage belt 37 and the propulsion belt 32. A through hole is provided in the middle position of the center support belt 34. The first pull rod 45 and the second pull rod 46 are embedded in the through hole. The first pull rod 45, the second pull rod 46 and the through hole correspond to each other. Magnets are provided at the end positions of the second pull rod 46 and the first pull rod 45 to achieve magnetic connection between the two.

[0052] Secondly, when the aluminum bar is processed, after cleaning through the cleaning port 14, some impurities still cannot be removed. At this time, the pressure plate 44 is pressed on the upper surface of the aluminum bar, and then the first pull rod 45 and the second pull rod 46 are separated. After separation, the two sets of second pull rods 46 are rotated at the same time. When the two second pull rods 46 rotate in opposite directions, the propulsion direction of the linkage belt 37 also changes. At this time, one end of the aluminum bar moves to the left, and the other side moves to the right. In the case that the central support belt 34 does not rotate, the aluminum bar rotates with this as the axis. During the rotation, the lower surface of the aluminum bar will rub against the propulsion belt 32 and the central support belt 34. During the friction, impurities adhering to its surface can be scraped off, and at the same time, the cleaning port 14 continues to blow the aluminum bar, which makes the cleaning of the surface of the cleaning port 14 more comprehensive.

[0053] The impurities scraped out will remain in the gaps between the push belts 32, so that the push belt 32 is driven to slide on the conveyor belt 35 by pulling the first pull rod 45 and the second pull rod 46. In this process, the push belt 32 drives the cleaning sheet 33, and the cleaning sheet 33 cleans out the impurities between the push belts 32. In addition, the impurities remaining in the gaps between the push belts 32 are not easy to adhere to the aluminum row. When blowing through the cleaning port 14, a reasonable channel is formed, so that the chip removal efficiency is higher.

[0054] An embodiment of the present invention further provides an aluminum bar, the surface of which is prepared by the aforementioned method for treating the surface of the aluminum bar with nickel plating for corrosion resistance, the surface of the aluminum bar is subjected to environmentally friendly zinc deposition to form a zinc replacement layer, the aluminum bar is then nickel plated to obtain a nickel-plated layer on the surface of the aluminum bar, and then nickel-plated again to obtain a nickel-plated layer again.

[0055] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for treating the surface of an aluminum bar with nickel plating for corrosion resistance, characterized in that: The steps include: Step 1: placing the aluminum to be processed on the support frame (11), and conveying the aluminum to the inside of the sliding plate (13) and the guide track (15) through the conveying mechanism; Step 2: Degreasing: cleaning the surface of the aluminum bar with degreasing powder through the cleaning port (14) provided inside the sliding plate (13) to remove the oil and grease on the surface of the aluminum bar, and then descaling: using an acidic descaling agent to remove the oxide layer on the surface of the aluminum bar, so that the surface of the aluminum bar is in a clean state; Step 3: Environmentally friendly zinc deposition, using environmentally friendly zinc deposition aluminum to form a uniform and dense zinc replacement layer on the surface, the reaction time is 10-60 seconds, and the reaction temperature is 20-30℃; Step 4: During cleaning, the surface of the aluminum bar is cleaned by the conveying component (3) to remove adhering impurities. After cleaning, the conveying is continued. After the aluminum bar is conveyed to the armoring component (2), the PA extrusion device starts to work, and the molten PA material is evenly extruded to wrap the aluminum bar, and demolding is performed after cooling; Step 5: Obtain a coating by using nickel sulfamate at 40-60°C and a current density of 1-20ASD; A connecting plate (12) is fixedly connected to the surface of the support frame (11), a propulsion groove (16) is provided inside the connecting plate (12), a sliding plate (13) is embedded inside the propulsion groove (16), a cleaning port (14) is installed on one side surface of the sliding plate (13), a guide rail (15) is fixedly connected to the outer side surface of the sliding plate (13), and the guide rail (15) is used to wrap the cleaning port (14); A conveying assembly (3) is connected to the inner wall of the support frame (11), and the conveying assembly (3) includes a conveying roller (31), the outer surface of the conveying roller (31) is wrapped with a conveying belt (35), the outer surface of the conveying belt (35) is fixedly connected to a central supporting belt (34), the outer surface of the conveying belt (35) is also connected to a propulsion belt (32), the propulsion belt (32) and the conveying belt (35) are slidably connected, both ends of the conveying roller (31) are provided with sliding plates (36), the sliding plates (36) and the conveying roller (31) are coaxially arranged, and the outer surface of the sliding plates (36) is sleeved with a linkage belt (37), one group of the linkage belts (37) is embedded with a first pull rod (45), and the other group of the linkage belts (37) is embedded with a second pull rod (46); A steering assembly (4) is fixedly connected to the inner wall of the guide rail (15), and the steering assembly (4) comprises a pressing strip (41). The guide rail (15) and the pressing strip (41) are fixedly connected, and a sliding groove (42) is provided at the bottom end of the pressing strip (41). A pressing shaft (43) is embedded in the sliding groove (42), and the bottom end of the pressing shaft (43) is rotatably connected to a pressing plate (44).

2. The method for treating the surface of an aluminum bar with nickel plating for corrosion resistance according to claim 1, characterized in that: The sliding plate (13) is arranged in an L shape, and the bottom end of the sliding plate (13) is embedded in the inside of the pushing groove (16) and is slidably arranged with the pushing groove (16).

3. The method for treating the surface of an aluminum bar with nickel plating for corrosion resistance according to claim 1, characterized in that: The conveyor belt (35) is supported by two conveyor rollers (31). The conveyor belt (35) passes through the interior of the guide track (15). The rotation of the conveyor rollers (31) is driven by a motor. The rotation of the conveyor rollers (31) drives the conveyor belt (35) to rotate, thereby realizing the transportation of the aluminum bar.

4. The method for treating the surface of an aluminum bar with nickel plating for corrosion resistance according to claim 1, characterized in that: A cleaning sheet (33) is fixedly connected to the side of the advancing belt (32); the cleaning sheets (33) are evenly distributed on the side of the advancing belt (32), and the cleaning sheets (33) are made of flexible material.

5. The method for treating the surface of an aluminum bar with nickel plating for corrosion resistance according to claim 4, characterized in that: The bottom surface of the cleaning sheet (33) is attached to the upper surface of the conveyor belt (35), and the cleaning sheet (33) is attached to the surface of the conveyor belt (35) to slide, so as to clean the surface of the conveyor belt (35).

6. The method for treating the surface of an aluminum bar with nickel plating for corrosion resistance according to claim 1, characterized in that: Sliding sheets (36) are arranged on both sides of the conveying roller (31) via a rotating shaft. The rotation of the two sets of sliding sheets (36) is driven manually. When one set of sliding sheets (36) rotates counterclockwise, the other set of linkage belts (37) rotates clockwise.

7. The method for treating the surface of an aluminum bar with nickel plating for corrosion resistance according to claim 1, characterized in that: The first pull rod (45) and the second pull rod (46) pass through the interior of the linkage belt (37) and the propulsion belt (32). A through hole is provided in the middle of the central support belt (34). The first pull rod (45) and the second pull rod (46) are embedded in the through hole. The first pull rod (45), the second pull rod (46) and the through hole correspond to each other.

8. The method for treating the surface of an aluminum bar with nickel plating for corrosion resistance according to claim 7, characterized in that: Magnets are provided at the ends of the second pull rod (46) and the first pull rod (45) to achieve magnetic connection between the two.

9. The method for treating the surface of an aluminum bar with nickel plating for corrosion resistance according to claim 1, characterized in that: The bottom surface of the support frame (11) is fixedly connected to an armoring component (2), the armoring component (2) comprises a hydraulic rod (21), the output end of the hydraulic rod (21) is connected to a top plate (22), the top surface of the support frame (11) is fixedly connected to a cover plate (23), the bottom surface of the cover plate (23) is provided with an armoring bin (24), one side of the armoring bin (24) is provided with a feed trough (25), the inside of the armoring bin (24) is provided with an extrusion hole (26), one end of the extrusion hole (26) is connected to an extruder, the aluminum bar is transported to the inside of the armoring bin (24) through the feed trough (25), and the raw material is extruded through the extrusion hole (26) for armoring the aluminum bar.

10. An aluminum bar, characterized in that: The aluminum bar surface is prepared by the aluminum bar surface nickel plating anti-corrosion treatment method described in any one of claims 1-9.

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