High-precision welding method for aluminum plate

Abstract

The invention discloses a high-precision welding method for an aluminum plate, which belongs to the technical field of aluminum plate welding, and specifically comprises the following steps of: 1) putting a surface to be welded of the aluminum plate into a cleaning device, and cleaning by using acid liquor; 2) putting the pickled aluminum plate in pure water at 65-80 DEG C for washing, and then controlling the water for later use; (3) the water control aluminum plate is placed on a welding device, and then the to-be-welded face of the aluminum plate is evenly coated with the weld-aid mixed agent; (4) the to-be-welded face, evenly coated with the weld-aid mixture, of the welding device is welded through continuous optical fiber laser under the protection of helium; before welding, the welding face is pretreated, impurities on the welding face are removed, metal on the welding face is activated through the weld-aid mixture, the welding uniformity and the welding strength during welding are improved, the welding position can be smoother by combining continuous fiber laser welding, and the welding precision is improved; according to the method, the problem that the welding precision and efficiency cannot meet the requirements simultaneously due to process and parameter setting differences in existing aluminum plate welding can be effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum plate welding, and in particular to a high-precision welding method for aluminum plates. Background Art

[0002] At present, the lightweight and corrosion-resistant characteristics of aluminum alloy make it the first choice for building decoration and other fields, replacing traditional steel. However, in the process of processing and production, it needs to be processed by welding equipment. Common aluminum plate welding methods include tungsten inert gas arc welding, resistance spot welding, gas welding and arc welding, consumable inert gas arc welding, pulsed argon arc welding, stir friction welding, etc. Although these methods have their own advantages and disadvantages, due to differences in process and parameter settings, welding accuracy and efficiency often cannot meet the needs at the same time.

[0003] Chinese patent CN1001653862A discloses a method for welding aluminum plates, which uses electrodes and nickel-plated thin metal plates to improve welding quality. Chinese patent CN115770932A discloses a welding process for ultra-thick aluminum plates, which uses an X-shaped groove design, a segmented back-welding method, mixed gas protection, and a swing welding method to improve welding efficiency. However, existing aluminum plate welding methods still have the limitation of being difficult to take into account both welding accuracy and efficiency. For example, although some methods have high accuracy, they have low efficiency, and vice versa. Therefore, there is an urgent need for a welding method that can effectively improve the welding accuracy of aluminum plates while taking into account higher efficiency. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the welding accuracy and efficiency of existing aluminum plates often cannot meet the requirements at the same time due to differences in process and parameter settings. The present invention provides a high-precision welding method for aluminum plates.

[0005] To achieve the above object, the technical solution adopted by the present invention is: a high-precision welding method for aluminum plates, which specifically includes the following steps: 1) Place the surface of the aluminum plate to be welded in a cleaning device and clean it with acid; 2) Place the pickled aluminum plate in pure water at 65-80℃ and wash it, then control the water for later use; 3) Place the water-control aluminum plate on the welding device, and then evenly apply the flux mixture on the surface of the aluminum plate to be welded; 4) The welding surface to be welded on the welding device evenly coated with the flux mixture is welded by continuous fiber laser under helium protection.

[0006] Furthermore, in the step 2), the cleaning device includes a cleaning tank and a feeding guide rail arranged above the cleaning tank, the feeding guide rail is provided with clamping members for clamping and transmitting the aluminum plate at equal intervals, the clamping members include a clamping seat and a plurality of clamping claws, the clamping seat is provided with a clamping groove, and the clamping groove is provided with an elastic buckle for controlling the clamping of the clamping claw, the end of the clamping claw is connected to the elastic buckle, and the clamping claw is connected to the clamping seat through a spring, and the end of the clamping claw in contact with the aluminum plate is provided with a plurality of suction cup contact members through a clamping arm, so that one end of the aluminum plate can be placed in the clamping groove, triggering the clamping buckle to drive the clamping claw to retract and clamp the aluminum plate wall, and the inner wall of the cleaning tank is installed with a plurality of ultrasonic generators.

[0007] Furthermore, in step 3), the flux mixture is made of the following ingredients by weight: 28-35% aluminum fluoride, 21-26% sodium dodecyl sulfate, 8-12% polyacrylamide, 24-27% sodium benzoate and the balance sodium hydrogen phosphate.

[0008] Furthermore, in the step 4), the laser power of the continuous fiber laser welding is 1-3KW, the laser frequency is 7-9kHz, and the welding speed is 1650-1800mm.

[0009] Furthermore, in step 4), the focal position of the continuous fiber laser welding is 10-20 mm away from the surface of the aluminum plate to be welded.

[0010] Furthermore, the cleaning tank is separated by a partition to form a pickling tank and a water washing tank, and the water washing tank is provided with a constant temperature heating component, and the water temperature in the water washing tank is maintained at 65-80°C by the constant temperature heating component.

[0011] Furthermore, the feeding guide rail is wavy in shape corresponding to the cleaning tank, and the feeding guide rail is also equipped with a driving motor for driving the clamping member to operate, that is, the feeding guide rail is driven to operate by the driving motor, thereby driving the clamping member on the feeding guide rail to clamp the aluminum plate and operate accordingly.

[0012] The invention provides a high-precision aluminum plate welding method, which has the following beneficial effects: The present invention pre-treats the welding surface before welding to remove impurities on the welding surface, and activates the welding surface metal through a flux mixture to improve the uniformity and strength of welding during welding. Combined with continuous fiber laser welding, the welding point can be made smoother and the welding accuracy can be improved. The present invention is easy to operate and highly practical, and can effectively solve the problem that the welding accuracy and efficiency of existing aluminum plate welding often cannot meet the requirements at the same time due to differences in process and parameter settings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of ultrasonic C scanning of the weld seam of aluminum plates welded by the high-precision welding method of aluminum plates of the present invention.

[0014] Figure 2 This is a schematic diagram of SEM observation of the weld interface of aluminum plates welded by the high-precision welding method of aluminum plates of the present invention.

[0015] Figure 3 It is a schematic diagram of the cleaning tank structure of the high-precision welding method for aluminum plates of the present invention.

[0016] Figure 4 It is a schematic diagram of the structure of the clamping parts of the high-precision welding method of aluminum plates of the present invention.

[0017] In the figure, 1. cleaning tank; 2. feeding guide rail; 3. clamping seat; 4. clamping claw; 5. clamping tank; 6. elastic buckle; 7. clamping arm; 8. suction cup contact piece; 10. pickling tank; 11. water washing tank; 12. driving motor; 13. brake component; 14. mounting table; 15. bottom column; 16. operating table; 18. bracket; 19. welding machine; 20. faucet; 21. electric telescopic rod; 22. fixing clamp; 23. helium supply port. DETAILED DESCRIPTION

[0018] The technical scheme of the present invention is clearly and completely described below in conjunction with the specific embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, not all. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0019] Embodiment 1 The present invention provides a high-precision welding method for aluminum plates, which specifically comprises the following steps: 1) Pre-treat the aluminum plate by placing the surface of the aluminum plate to be welded in a cleaning device and immersing it in a 30% HNO3 solution for pickling at room temperature for 1-3 minutes.

[0020] 2) Wash the pickled aluminum plate in pure water at 65-80℃ for 3-5 minutes, then control the water for later use.

[0021] 3) placing the water-controlling aluminum plate on the welding device, clamping and limiting the aluminum plate, and then evenly coating the surface of the aluminum plate to be welded with a flux mixture for improving the welding accuracy of the aluminum plate, wherein the flux mixture is made of the following ingredients by weight: 28-35% aluminum fluoride, 21-26% sodium dodecyl sulfate, 8-12% polyacrylamide, 24-27% sodium benzoate and the balance of sodium hydrogen phosphate; Figure 3The welding device of the present application includes a base column 15 and an operating table 16, the operating table 16 is fixedly connected to the base column 15 by screws, the bottoms of the four base columns 15 are connected to universal wheels by screws, the operating table 16 is connected to a bracket 18 by screws, the bracket 18 includes two vertical columns and a horizontal column, the horizontal column is located between the two vertical columns, and the horizontal column and the vertical columns are fixedly connected by screws, a welding machine 19 is arranged at the center of the horizontal column, a water pipe is arranged on the horizontal column, a spraying faucet 20 is connected to the end of the water pipe, the two vertical columns are mirror-symmetrical, vertical slide grooves are arranged on the opposite surfaces of the two vertical columns, a positioning port is arranged on the inner side of the slide groove, and a sliding connection in the slide groove is provided. A slider is connected, and the slider includes a slider and a positioning plate. The positioning plate is rotatably connected to the slider through a rotating shaft. The positioning plate is an L-shaped plate. The end of the positioning plate is clamped in the positioning port. The slider is slidably connected in the slide groove. An electric telescopic rod 21 is connected to the positioning plate through screws. A universal rotating part is fixedly connected to the end of the electric telescopic rod 21. A rotating shaft is integrally formed on the universal rotating part. A fixing clamp 22 is rotatably connected to the rotating shaft. The operating table 16 is provided with a helium supply port 23 corresponding to the fixing clamp 22 through a connecting rod. That is, during the welding process, the helium provided by the helium supply port 23 acts on the welding surface to protect the welding surface and prevent it from welding oxidation.

[0022] 4) The welding surface to be welded on the welding device evenly coated with the flux mixture is subjected to continuous fiber laser welding under helium protection. The focal position of the continuous fiber laser welding is 10-20 mm away from the welding surface of the aluminum plate. The laser power of the continuous fiber laser welding is 1-3 KW, the laser frequency is 7-9 kHz, and the welding speed is 1650-1800 mm.

[0023] The aluminum plate was welded according to the above welding method, and the weld at the welding point was subjected to ultrasonic C scanning. The results showed that the accuracy of the welding rate of the welding joint was improved by more than 5% compared with the welding method for aluminum plates in the prior art; SEM observation was performed on the weld interface, and a certain diffusion area existed in the interface without cracks and pores, which can achieve high-precision welding of the aluminum plate.

[0024] Embodiment 2 The present invention provides a high-precision welding method for aluminum plates, which specifically comprises the following steps: 1) Pre-treat the aluminum plate by placing the surface of the aluminum plate to be welded in a cleaning device and immersing it in a 30% HNO3 solution for pickling at room temperature for 1-3 minutes.

[0025] 2) Wash the pickled aluminum plate in 70°C pure water for 3-5 minutes and then control the water for later use.

[0026] 3) Place the water-controlled aluminum plate on the welding device, clamp and limit the aluminum plate, and then evenly apply a flux mixture for improving the welding accuracy of the aluminum plate on the surface of the aluminum plate to be welded, wherein the flux mixture is made of the following ingredients by weight: 34% aluminum fluoride, 26% sodium dodecyl sulfate, 11% polyacrylamide, 25% sodium benzoate and the balance sodium hydrogen phosphate.

[0027] 4) The surface to be welded on the welding device evenly coated with the flux mixture is welded by continuous fiber laser under helium protection. The focal position of the continuous fiber laser welding is 18 mm away from the surface to be welded of the aluminum plate. The laser power of the continuous fiber laser welding is 2.8 KW, the laser frequency is 8.5 kHz, and the welding speed is 1760 mm.

[0028] The aluminum plate was welded according to the above welding method, and the weld at the welding place was subjected to ultrasonic C scanning. The results are as follows Figure 1 As shown in the figure, the weld is in an arc shape, without impurities, looseness and other defects. The accuracy of the welding rate of the welded joint is improved by 12% compared with the welding method for aluminum plates in the prior art. The weld interface is observed by SEM, as shown in the figure. Figure 2 As shown, there is a certain diffusion area on the interface without cracks and pores, which can achieve high-precision welding of aluminum plates.

[0029] Embodiment 3 The present invention provides a high-precision welding method for aluminum plates, which specifically comprises the following steps: 1) Pre-treat the aluminum plate by placing the surface of the aluminum plate to be welded in a cleaning device and immersing it in a 20% HNO3 solution for pickling at room temperature for 1-3 minutes.

[0030] 2) Place the pickled aluminum plate in 65°C pure water for 3-5 minutes, then control the water and set aside.

[0031] 3) Place the water-controlled aluminum plate on the welding device, clamp and limit the aluminum plate, and then evenly apply a flux mixture for improving the welding accuracy of the aluminum plate on the surface of the aluminum plate to be welded, wherein the flux mixture is made of the following ingredients by weight: 30% aluminum fluoride, 24% sodium dodecyl sulfate, 12% polyacrylamide, 27% sodium benzoate and the balance sodium hydrogen phosphate.

[0032] 4) The surface to be welded on the welding device evenly coated with the flux mixture is welded by continuous fiber laser under helium protection. The focal position of the continuous fiber laser welding is 18 mm away from the surface to be welded of the aluminum plate. The laser power of the continuous fiber laser welding is 2.8 KW, the laser frequency is 8.5 kHz, and the welding speed is 1760 mm.

[0033] The aluminum plate was welded according to the above welding method, and the weld at the welding point was subjected to ultrasonic C scanning. The results showed that the accuracy of the welding rate of the welding joint was improved by 5% compared with the welding method for aluminum plates in the prior art. SEM observation was performed on the weld interface, and a certain diffusion area existed in the interface without cracks and pores, which can achieve high-precision welding of the aluminum plate.

[0034] Embodiment 4 The present invention provides a high-precision welding method for aluminum plates, which specifically comprises the following steps: 1) Pre-treat the aluminum plate by placing the surface of the aluminum plate to be welded in a cleaning device and immersing it in a 30% HNO3 solution for pickling at room temperature for 1-3 minutes.

[0035] 2) Wash the pickled aluminum plate in 80°C pure water for 3-5 minutes and then control the water for later use.

[0036] 3) Place the water-controlled aluminum plate on the welding device, clamp and limit the aluminum plate, and then evenly apply a flux mixture for improving the welding accuracy of the aluminum plate on the surface of the aluminum plate to be welded, wherein the flux mixture is made of the following ingredients by weight: 28% aluminum fluoride, 24% sodium dodecyl sulfate, 12% polyacrylamide, 27% sodium benzoate and the balance sodium hydrogen phosphate.

[0037] 4) The surface to be welded on the welding device evenly coated with the flux mixture is welded by continuous fiber laser under helium protection. The focal position of the continuous fiber laser welding is 18 mm away from the surface to be welded of the aluminum plate. The laser power of the continuous fiber laser welding is 2.8 KW, the laser frequency is 8.5 kHz, and the welding speed is 1760 mm.

[0038] The aluminum plate was welded according to the above welding method, and the weld at the welding point was subjected to ultrasonic C scanning. The results showed that the accuracy of the welding rate of the welding joint was improved by 8% compared with the welding method for aluminum plates in the prior art; SEM observation was performed on the weld interface, and a certain diffusion area existed in the interface without cracks and pores, which can achieve high-precision welding of the aluminum plate.

[0039] Comparative Example 1 The difference between this comparative example and the embodiment is that in step 1), the aluminum plate is pretreated, that is, the surface of the aluminum plate to be welded is placed in a cleaning device and soaked in a 20% H2SO4 solution at room temperature for 1-3 minutes.

[0040] The aluminum plate was welded according to the above welding method, and the weld at the welding place was subjected to ultrasonic C scanning. The results showed that the accuracy of the welding rate of the welding joint was 94.6%; the weld interface was observed by SEM, and a certain diffusion area existed in the interface, without cracks, and slightly tiny pores.

[0041] Comparative Example 2 The difference between this comparative example and the embodiment is that in step 2), pure water at room temperature is used for water washing.

[0042] The aluminum plate was welded according to the above welding method, and the weld at the welding point was subjected to ultrasonic C scanning. The results showed that the accuracy of the welding rate of the welding joint was 89.7%; SEM observation of the weld interface showed that there was a certain diffusion area on the interface, and there were through cracks accompanied by pores.

[0043] Comparative Example 3 The difference between this comparative example and the embodiment is that the zirconium oxide solution is evenly coated on the surface of the aluminum plate to be welded, and then dried at room temperature for use.

[0044] The aluminum plate was welded according to the above welding method, and the weld at the welding place was subjected to ultrasonic C scanning. The results showed that the accuracy of the welding rate of the welding joint was 92.1%; the weld interface was observed by SEM, and a certain diffusion area existed in the interface, and there were surface cracks accompanied by tiny pores.

[0045] To summarize, the present application welds the aluminum plate according to the welding method in Example 2 of the present application, and the weld is in an arc shape, without defects such as impurities, looseness, cracks and pores. The welding method of the present application can meet the existing welding needs, and the accuracy of the welding rate of the welding joint is improved by 12% compared with the accuracy of the welding rate of the welding joint in the welding method for aluminum plates in the prior art, which can achieve high-precision welding of aluminum plates.

[0046] Embodiment 5 On the basis of the above embodiment, in order to meet the welding accuracy of aluminum plate and improve the operation efficiency, Figure 3-4The cleaning device in step 2) of the present application comprises a cleaning tank 1 and a feeding guide rail 2 arranged above the cleaning tank 1, the feeding guide rail 2 is symmetrically arranged, and the feeding guide rail 2 is evenly spaced and provided with clamping members for clamping and transmitting the aluminum plate, that is, the clamping member is placed between the feeding guide rails 2, and the clamping member comprises a clamping seat 3 and a plurality of clamping claws 4, a clamping groove 5 is provided in the clamping seat 3, and an elastic buckle 6 for controlling the clamping of the clamping claw 4 is provided in the clamping groove 5, the end of the clamping claw 4 is connected to the elastic buckle 6, the clamping claw 4 is connected to the clamping seat 3 through a spring, and is arranged at the end of the clamping seat 3, and the end of the clamping claw 4 in contact with the aluminum plate is provided with a plurality of suction cup contact members 8 through a clamping arm 7, so that one end of the aluminum plate can be placed in the clamp In the holding groove 5, the trigger clamping buckle drives the clamping claw 4 to close and clamp the aluminum plate wall, thereby increasing the stability of the clamping member clamping the aluminum plate, thereby improving the pickling and water washing effects of the aluminum plate pretreatment. The inner wall of the cleaning tank 1 is installed with a plurality of ultrasonic generators (not shown in the figure). The present invention uses a plurality of ultrasonic generators installed on the inner wall of the cleaning tank 1 to generate ultrasonic waves that act on the water body, thereby washing the aluminum plate after pickling and eliminating the residual internal stress of the aluminum plate. The pickled aluminum plate is placed in pure water at 70°C for washing for 3-5 minutes. The water washing tank 11 of the present application can also preheat the aluminum plate while washing the aluminum plate, so as to reduce the deformation and cracks in the subsequent welding process and improve the welding accuracy.

[0047] The cleaning tank 1 is separated by a partition to form a pickling tank 10 and a water washing tank 11. The water washing tank 11 is provided with a constant temperature heating component (not shown in the figure). The constant temperature heating component maintains the water temperature in the water washing tank 11 at 65-80°C, so that the aluminum plate can be preheated during the aluminum plate washing process; the pickling tank 10 and the water washing tank 11 are both provided with stirring components to stir the liquid in the corresponding tank body to improve the contact effect between the liquid and the aluminum plate; the feeding guide rail 2 is in a wavy shape corresponding to the cleaning tank 1, that is, the trough is placed above the corresponding tank body, so that 2 / 3 of the aluminum plate clamped on the clamping member is Placed in the solution of the corresponding trough body, the feeding guide rail 2 is also equipped with a driving motor 12 for driving the clamping member to operate, and the driving motor 12 is equipped with a brake component 13, so that it can hover at the corresponding trough body position, that is, the feeding guide rail 2 is driven to operate by the driving motor 12, thereby driving the clamping member on the feeding guide rail 2 to clamp the aluminum plate and operate accordingly. The present application is provided with an operating controller for controlling the operation of the driving motor 12, the constant temperature heating component, the brake component 13 and the stirring component; the cleaning tank 1 provided in the present application can meet the needs of quickly washing the aluminum plate with water after the aluminum plate is pickled, and can improve its operating efficiency.

[0048] Before use, the present application places the aluminum plate on the clamping member on the mounting table 14 so that one end of the aluminum plate can be placed in the clamping groove 5 of the clamping seat 3, and the clamping seat 3 is pressed downward to trigger the clamping buckle to drive the clamping claw 4 to close and clamp the aluminum plate wall. Secondly, the operating controller is used to control and set the operating parameters of the drive motor 12, the constant temperature heating component, the brake component 13 and the stirring component. According to the requirements of pickling and water washing, the present application sets the drive motor 12 and the brake component 13 so that they can hover and clean in the corresponding tank body for a long time, and then places the aluminum plate on the welding device to clamp and limit the aluminum plate. Secondly, a flux mixture for improving the welding accuracy of the aluminum plate is evenly coated on the surface of the aluminum plate to be welded; Then, the electric telescopic rod 21 is started to drive the aluminum plate to move horizontally, so that the welding point is located directly below the welding machine 19, and the distance between the position to be welded and the welding machine 19 is 10-20 mm. Then, helium protection is provided to the welding surface of the aluminum plate through the helium supply port 23, and the welding machine 19 can be started to weld the aluminum plate, and the faucet 20 is opened to cool the aluminum plate after welding. When the welding is completed, the aluminum plate can be removed from the fixing clamp 22; thereby effectively solving the problem that the welding accuracy and efficiency of the existing aluminum plate welding often cannot meet the requirements at the same time due to differences in process and parameter settings.

[0049] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0050] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-precision welding method for aluminum plates, characterized in that: The specific steps include: 1) Place the surface of the aluminum plate to be welded in a cleaning device and clean it with acid; 2) Place the pickled aluminum plate in pure water at 65-80℃ and wash it, then control the water for later use; 3) Place the water-control aluminum plate on the welding device, and then evenly apply the flux mixture on the surface of the aluminum plate to be welded; 4) The welding surface to be welded on the welding device evenly coated with the flux mixture is welded by continuous fiber laser under helium protection.

2. The high-precision welding method for aluminum plates according to claim 1, characterized in that: In the step 2), the cleaning device includes a cleaning tank and a feeding guide rail arranged above the cleaning tank, and the feeding guide rail is provided with clamping members for clamping and transmitting the aluminum plate at equal intervals, and the clamping members include a clamping seat and a plurality of clamping claws, a clamping groove is provided in the clamping seat, and an elastic buckle for controlling the clamping of the clamping claw is provided in the clamping groove, and the end of the clamping claw is connected to the elastic buckle, and the clamping claw is connected to the clamping seat through a spring, and the end of the clamping claw in contact with the aluminum plate is provided with a plurality of suction cup contact members through a clamping arm, so that one end of the aluminum plate can be placed in the clamping groove, and the clamping buckle is triggered to drive the clamping claw to retract to clamp the aluminum plate wall, and a plurality of ultrasonic generators are installed on the inner wall of the cleaning tank.

3. The high-precision welding method for aluminum plates according to claim 1, characterized in that: In step 3), the flux mixture is made of the following ingredients by weight: 28-35% aluminum fluoride, 21-26% sodium dodecyl sulfate, 8-12% polyacrylamide, 24-27% sodium benzoate and the balance sodium hydrogen phosphate.

4. The high-precision welding method for aluminum plates according to claim 1, characterized in that: In the step 4), the laser power of the continuous fiber laser welding is 1-3KW, the laser frequency is 7-9kHz, and the welding speed is 1650-1800mm.

5. The high-precision welding method for aluminum plates according to claim 1, characterized in that: The focal position of the continuous fiber laser welding in step 4) is 10-20 mm away from the surface of the aluminum plate to be welded.

6. The high-precision welding method for aluminum plates according to claim 2, characterized in that: The cleaning tank is separated by a partition to form an acid washing tank and a water washing tank. The water washing tank is provided with a constant temperature heating component, and the water temperature in the water washing tank is maintained at 65-80°C by the constant temperature heating component.

7. The high-precision welding method for aluminum plates according to claim 2, characterized in that: The feeding guide rail is in a wavy shape corresponding to the cleaning tank, and the feeding guide rail is also equipped with a driving motor for driving the clamping member to operate, that is, the feeding guide rail is driven to operate by the driving motor, thereby driving the clamping member on the feeding guide rail to clamp the aluminum plate and operate accordingly.

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