Spraying device for automobile aluminum alloy product production

Abstract

The invention relates to the technical field of automobile aluminum alloy machining, in particular to a spraying device for automobile aluminum alloy product production, and the spraying device for automobile aluminum alloy product production comprises a workbench which is provided with a conveying mechanism. Through cooperation of the conveying mechanism and the multiple installation assemblies, the aluminum pipe can be efficiently fixed and conveyed, the aluminum pipe can stably pass through all spraying and drying links in the whole production process, the production efficiency is improved, spraying operation can be conducted at different stages through the arrangement of the spraying mechanism, the spraying quality and coating uniformity are guaranteed, and the production efficiency is improved. The drying mechanism is beneficial to rapid drying treatment after the aluminum pipe is sprayed, the drying speed and quality of a coating are ensured, the discharging mechanism and the feeding belt are matched with the conveying mechanism to form an automatic production line, the aluminum pipe can be smoothly fed into the workbench from the feeding belt and subjected to various treatment links, and the production efficiency is improved. Due to the continuous automatic production process, manual intervention is reduced, and the error rate is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile aluminum alloy processing, in particular to a spraying device for producing automobile aluminum alloy products. Background Art

[0002] With the continuous improvement of living standards and the rapid development of the automotive industry, automobiles are becoming increasingly popular in modern society. In particular, in the design and manufacture of automotive air conditioning systems, aluminum tubes, as a lightweight, corrosion-resistant material with excellent thermal conductivity, have become a crucial component in connecting various components and forming closed systems. To enhance the durability of aluminum tubes and prevent surface oxidation, they are typically treated with a coating, typically paint or other anti-corrosion materials.

[0003] However, the current commonly used techniques for spraying aluminum tubes still have certain shortcomings. In existing spraying techniques, aluminum tubes are typically sprayed in a fixed position. The sprayed aluminum tubes must be manually removed and collected before being replaced with new ones. This method not only increases manual labor but also reduces overall production efficiency. Furthermore, improper manual operation can easily lead to uneven spraying, further compromising the quality of the final product. This low-automation method fails to meet the demands of modern industrial production for efficient, precise, and high-quality production.

[0004] Therefore, in order to overcome the shortcomings of the existing technology, it is urgent to develop a new one to improve the degree of automation of spraying operations, reduce manual operations, optimize spraying efficiency and spraying quality, so as to adapt to the higher requirements of modern automobile manufacturing for spraying accuracy and production efficiency. Summary of the Invention

[0005] The purpose of the present invention is to solve the problem in the prior art that improper manual operation easily leads to uneven spraying, which further affects the quality of the final product. A spraying device for the production of automotive aluminum alloy products is provided, which reduces manual intervention through a continuous automated production process, reduces the error rate, and improves the overall efficiency and consistency of production.

[0006] In order to achieve the above-mentioned purpose, the present invention proposes a spraying device for the production of automotive aluminum alloy products, including a workbench, a conveying mechanism is provided on the workbench, a plurality of mounting components are provided on the conveying mechanism, and the mounting components are used to fix the aluminum tube, a first spraying mechanism and a second spraying mechanism are provided on the workbench, a first drying mechanism is provided on one side of the first spraying mechanism, and a second drying mechanism is provided on one side of the second spraying mechanism; a unloading mechanism is provided on the workbench, a loading belt is provided on one side of the unloading mechanism, and the conveying mechanism drives the aluminum tube to pass through the first spraying mechanism, the first drying mechanism, the second spraying mechanism, the second drying mechanism and the unloading mechanism in sequence.

[0007] As a further description of the above technical solution: the conveying mechanism includes a conveying frame chain, and driving wheels are provided at the four corners of the conveying frame chain. A driving motor is connected below the driving wheel, and the conveying frame chain is connected to multiple mounting components.

[0008] As a further description of the above technical solution: the installation assembly includes a base plate, the bottom of the base plate is connected to the conveyor frame chain, the top of the base plate is rotatably connected to a rotating gear, the top of the rotating gear is connected to a fixed plate, and the fixed plate is detachably connected to a fixed plug rod.

[0009] As a further description of the above technical solution: the first spraying mechanism includes a spray box, a nozzle is provided inside the spray box, the nozzle is connected to the lifting assembly, an adjustment assembly is provided below the nozzle, and the adjustment assembly is connected to the installation assembly.

[0010] As a further description of the above technical solution: the first drying mechanism includes a drying box and a hot air box, the hot air box is provided with a blower pump, and the blower pump is connected to the drying box through a hot air pipe.

[0011] As a further description of the above technical solution: the unloading mechanism includes a unloading rack and a discharge pipe, the unloading rack is provided with a clamping claw, the clamping claw is connected to the lower end of the lifting cylinder, the lifting cylinder is connected to the movable seat, one end of the movable seat is connected to the electric telescopic rod, the discharge pipe is installed on the workbench, a guide plate is provided under the discharge pipe, and a collection frame is provided at the discharge end of the guide plate.

[0012] As a further description of the above technical solution: the adjustment component includes a mounting plate, an adjustment gear is provided on the mounting plate, the adjusting gear is connected to the rotating motor at the bottom, the adjusting gear is connected to the adjustment chain, and the adjustment chain is engaged with the rotating gear.

[0013] As a further description of the above technical solution: an air pump is provided under the workbench, an air duct is connected above the air pump, the air duct is connected to the first spraying mechanism and the second spraying mechanism through a first air pump, the air duct is connected to the first drying mechanism and the second drying mechanism through a second air pump, and the air outlet end of the air pump is connected to the purification component.

[0014] As a further description of the above technical solution: the air guide pipe is connected to the dust suction pump through a third air suction pipe, and the dust suction pump is connected to the dust collection box.

[0015] As a further description of the above technical solution: the first spraying mechanism and the second spraying mechanism have the same structure, the first drying mechanism and the second drying mechanism have the same structure, and a control box is provided on the workbench.

[0016] The above technical solution has the following advantages or beneficial effects:

[0017] 1. The present invention can efficiently fix and convey aluminum tubes through the cooperation of the conveying mechanism and multiple installation components, so that the aluminum tubes can stably pass through various spraying and drying links in the entire production process, thereby improving production efficiency. The spraying mechanism is set so that spraying operations can be performed at different stages to ensure the spraying quality and uniform coating. The drying mechanism helps to quickly dry the aluminum tubes after spraying to ensure the drying speed and quality of the coating. The unloading mechanism and the loading belt cooperate with the conveying mechanism to form an automated production line. The aluminum tubes can be smoothly fed from the loading belt to the workbench and pass through various processing links, and finally completed by the unloading mechanism. The continuous automated production process reduces manual intervention, reduces the error rate, and improves the overall efficiency and consistency of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a spraying device in one embodiment of the present invention;

[0019] Figure 2 A top view of a spraying device in one embodiment of the present invention;

[0020] Figure 3 for Figure 1 A schematic structural diagram of the first spraying mechanism;

[0021] Figure 4 for Figure 1 A structural diagram of the first drying mechanism;

[0022] Figure 5 for Figure 1 Structural diagram of the middle unloading mechanism

[0023] Figure 6 for Figure 1 Schematic diagram of the structure of the installation components;

[0024] Figure 7 for Figure 1 Schematic diagram of the structure of the central airway;

[0025] Figure 8 for Figure 1 Schematic diagram of the structure of the middle dust box;

[0026] Figure 9 for Figure 1 Schematic diagram of the structure of the purification component.

[0027] Legend:

[0028] 1. Workbench; 2. Conveying mechanism; 3. Mounting assembly; 4. First spraying mechanism; 5. Second spraying mechanism; 6. First drying mechanism; 7. Second drying mechanism; 8. Unloading mechanism; 9. Vacuum pump; 10. Air guide pipe; 11. First exhaust pipe; 12. Second exhaust pipe; 13. Purification assembly; 14. Third exhaust pipe; 15. Dust pump; 16. Dust box; 17. Control box; 18. Feeding belt; 201. Conveying frame chain; 202. Driving wheel; 203. Driving motor; 31. Bottom plate; 32. Rotating gear; 33. Fixing plate; 34. Fixing rod ;41. Spray box;42. Nozzle;43. Adjustment assembly;44. Lifting assembly;45. Pressing assembly;431. Mounting plate;432. Adjustment gear;433. Adjustment chain;434. Rotating motor;61. Drying box;62. Hot air box;63. Blower pump;64. Hot air pipe;81. Unloading rack;82. Clamp;83. Lifting cylinder;84. Moving seat;85. Electric telescopic rod;86. Guide plate;87. Aggregate frame;88. Discharge pipe;1301. Box body;1302. Activated carbon plate;1303. Filter;1304. Exhaust pump. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limiting the present invention.

[0031] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0032] See also Figure 1-9The present invention provides a technical solution: the spraying device for the production of automotive aluminum alloy products of the present invention includes a workbench 1, a conveying mechanism 2 is provided on the workbench 1, a plurality of mounting components 3 are provided on the conveying mechanism 2, the mounting components 3 are used to fix the aluminum tube, a first spraying mechanism 4 and a second spraying mechanism 5 are provided on the workbench 1, a first drying mechanism 6 is provided on one side of the first spraying mechanism 4, and a second drying mechanism 7 is provided on one side of the second spraying mechanism 5; a unloading mechanism 8 is provided on the workbench 1, a loading belt 18 is provided on one side of the unloading mechanism 8, and the conveying mechanism 2 drives the aluminum tube to pass through the first spraying mechanism 4, the first drying mechanism 6, the second spraying mechanism 5, the second drying mechanism 7 and the unloading mechanism 8 in sequence.

[0033] In the technical solution of the present invention, the coordination of the conveying mechanism 2 and the multiple mounting assemblies 3 enables efficient securing and conveying of aluminum tubes, allowing them to stably pass through each spraying and drying step throughout the production process, improving production efficiency and avoiding production delays caused by manual operation or equipment instability. The arrangement of the first spraying mechanism 4 and the second spraying mechanism 5 allows for spraying operations to be performed at different stages, ensuring spraying quality and coating uniformity. The first drying mechanism 6 and the second drying mechanism 7 facilitate rapid drying of the aluminum tubes after spraying, ensuring the drying speed and quality of the coating. The unloading mechanism 8 and the loading belt 18 cooperate with the conveying mechanism 2 to form an automated production line, allowing aluminum tubes to be smoothly fed from the loading belt to the workbench, passing through each processing step, and finally being processed by the unloading mechanism. This continuous, automated production process reduces manual intervention, lowers error rates, and improves overall production efficiency and consistency. The automated unloading, conveying, spraying, and drying processes reduce reliance on manual labor, save labor costs, and improve work efficiency. Furthermore, the use of high-efficiency equipment in both the spraying and drying steps ensures consistent product quality.

[0034] Among them, the first spraying mechanism 4 and the second spraying mechanism 5 can accurately control different coatings and different coating thicknesses to improve the appearance quality and adhesion of aluminum alloy products. By setting up drying links after the two spraying processes, it can avoid excessive coating thickness or moisture, shorten the production cycle, and improve production efficiency.

[0035] like Figure 1 and Figure 2As shown, the conveying mechanism 2 includes a conveying frame chain 201, and driving wheels 202 are provided at the four corners of the conveying frame chain 201. A driving motor 203 is connected below the driving wheel 202, and the conveying frame chain 201 is connected to multiple installation components 3; the conveying mechanism 2 is composed of a conveying frame chain 201, each of which has a driving wheel 202 at its four corners, and a driving motor 203 is connected below. The driving motor 203 drives the driving wheel 202 to rotate, thereby realizing the operation of the conveying frame chain 201. Multiple installation components 3 are connected to the conveying frame chain 201 for fixing aluminum tubes, which can drive the aluminum tubes to pass through various processing steps in sequence.

[0036] like Figure 1 and Figure 6 As shown, the installation component 3 includes a base plate 31, the bottom of the base plate 31 is connected to the conveying frame chain 201, the top of the base plate 31 is rotatably connected to a rotating gear 32, the top of the rotating gear 32 is connected to a fixed plate 33, and the fixed plate 33 is detachably connected to a fixed rod 34; the installation component 3 includes a base plate 31 connected to the conveying frame chain 201, the top of the base plate is rotatably connected to a rotating gear 32, the rotating gear is then connected to the fixed plate 33, and a detachable fixed rod 34 is provided on the fixed plate to facilitate firm fixation of the aluminum tube, and the fixed rod 34 can be replaced according to the specifications of the aluminum tube.

[0037] like Figure 1 and Figure 3 As shown, the first spray mechanism 4 includes a spray box 41, which is equipped with a nozzle 42 inside. The nozzle 42 is connected to a lifting assembly 44. An adjustment assembly 43 is provided below the nozzle 42, which is connected to the mounting assembly 3. A downward pressure assembly 45 is provided on the spray box 41. The first spray mechanism 4 and the second spray mechanism 5 are provided, and both have the same structure. The first spray mechanism 4 includes a spray box 41, which is equipped with a nozzle 42 inside. The nozzle 42 is connected to the lifting assembly 44 and can be adjusted in height to adapt to the spraying requirements of aluminum tubes of different specifications.

[0038] Among them, the lifting component 44 can use a screw rod to drive the nozzle 42 to rise and fall, and the aluminum tube can be limited by the pressing component 45 to enhance the spraying effect.

[0039] like Figure 1 and Figure 4 As shown, the first drying mechanism 6 includes a drying box 61 and a hot air box 62. The hot air box 62 is equipped with a blower pump 63, which is connected to the drying box 61 via a hot air pipe 64. The first drying mechanism 6 and the second drying mechanism 7 are provided, and their structures are identical. The first drying mechanism 6 includes a drying box 61 and a hot air box 62. The blower pump 63 on the hot air box delivers hot air into the drying box via a hot air pipe 64, drying the sprayed aluminum tube and accelerating the curing of the coating.

[0040] like Figure 1 and Figure 6As shown, the unloading mechanism 8 includes a unloading frame 81 and a discharge pipe 88. The unloading frame 81 is equipped with a clamping claw 82, which is connected to the lower end of a lifting cylinder 83. The lifting cylinder 83 is connected to a movable base 84, one end of which is connected to an electric telescopic rod 85. The discharge pipe 88 is mounted on the workbench 1. A guide plate 86 is provided below the discharge pipe 88, and a collection frame 87 is provided at the discharge end of the guide plate 86. The unloading mechanism 8 is used to unload the processed aluminum tubes. The clamping claw 8 on the unloading frame 81 is driven up and down by the lifting cylinder 83. The lifting cylinder is mounted on the movable base 84, and one end of the movable base is connected to an electric telescopic rod 85. The position of the clamping claw can be precisely controlled to grasp the sprayed aluminum tubes and place them into the discharge pipe 88. The discharge pipe 88 has a guide plate 86 below it and a collection frame 87 at its end, facilitating the automatic collection of the aluminum tubes.

[0041] Among them, after the clamping jaws 8 are lowered to grab the aluminum tube that has been sprayed, they can continue to move toward the upper material belt 18, automatically grab the new aluminum tube to be sprayed on the upper material belt 18 and place it on the mounting assembly 3 that has just been unloaded, thereby realizing automatic loading and unloading.

[0042] like Figure 2 and Figure 5 As shown, the adjustment component 43 includes a mounting plate 431, on which an adjustment gear 432 is provided. The adjusting gear 432 is connected to the rotating motor 434 below, and the adjusting gear 432 is connected to the adjustment chain 433, which is engaged with the rotating gear 32; the adjustment component 43 below the nozzle 42 is connected to the mounting component 3, and the mounting plate 431 in the adjustment component 43 is provided with an adjustment tooth 432, which is driven by the rotating motor 434. The adjusting gear is engaged with the rotating gear 32 through the adjustment chain 433, which can drive the aluminum tube to rotate and achieve all-round uniform spraying.

[0043] like Figure 1 and Figure 7 As shown, an air pump 9 is installed below the workbench 1, and an air duct 10 is connected to the top of the air pump 9. The air duct 10 is connected to the first spray mechanism 4 and the second spray mechanism 5 via a first air duct 11. The air duct 10 is connected to the first drying mechanism 6 and the second drying mechanism 7 via a second air duct 12. The air outlet of the air pump 9 is connected to a purification component 13. The air pump 9 can continuously absorb harmful gases, dust, and volatiles generated during the spraying and drying processes, preventing these substances from entering the workshop air during the production process. By directing the exhaust gas into the air duct 10 and then connecting it to the spraying and drying mechanisms through the first and second air ducts, the exhaust gas from each production link can be efficiently collected and treated.

[0044] Among them, the purification component 13 includes a box body 1301, and multiple activated carbon plates 1302 and filter screens 1303 are arranged in sequence from top to bottom inside the box body 1301, and an exhaust pump 1304 is arranged above the box body 1301; during the spraying and drying process, the exhaust gas and dust are sucked out through the connected air guide pipe 10 and the exhaust pipe, and the exhaust gas is processed through the purification component 13. The purification component removes harmful substances in the air through the activated carbon plates 1302 and the filter screen 1303 to ensure a clean workshop environment.

[0045] like Figure 1 and Figure 8 As shown, the air guide pipe 10 is connected to the dust suction pump 15 through the third air exhaust pipe 14, and the dust suction pump 15 is connected to the dust suction box 16; the dust suction pump 15 can first remove dust from the parts passing through the dust suction box 16, and the dust-removed parts then enter the first spraying mechanism 4 for spraying, thereby enhancing the subsequent spraying effect.

[0046] like Figure 1 and Figure 2 As shown, the first spraying mechanism 4 and the second spraying mechanism 5 have the same structure, and the first drying mechanism 6 and the second drying mechanism 7 have the same structure. A control box 17 is provided on the workbench 1. Two drying mechanisms, namely the first drying mechanism 6 and the second drying mechanism 7, are provided to cooperate with the spraying mechanism. Each drying mechanism includes a drying box 61 and a hot air box 62. The hot air box provides hot air through a blower pump 63 to quickly dry the surface of the sprayed aluminum tube and prevent the sprayed layer from getting damp or contaminated. The control box 17 is provided on the workbench 1 to uniformly control the operating parameters of each mechanism of the entire device, such as conveying speed, spraying pressure, drying temperature and time, unloading action, etc., to achieve an automated operation process.

[0047] Working principle: The present invention can efficiently fix and transport aluminum tubes through the cooperation of the conveying mechanism 2 and multiple installation components 3, so that the aluminum tubes can stably pass through various spraying and drying links throughout the production process, thereby improving production efficiency and avoiding production delays caused by manual operation or equipment instability. The setting of the first spraying mechanism 4 and the second spraying mechanism 5 allows spraying operations to be performed at different stages to ensure the spraying quality and uniform coating. The first drying mechanism 6 and the second drying mechanism 7 help to quickly dry the aluminum tubes after spraying, ensuring the drying speed and quality of the coating. The unloading mechanism 8 and the loading belt 18 cooperate with the conveying mechanism 2 to form an automated production line. The aluminum tubes can be smoothly fed from the loading belt to the workbench and pass through various processing links, and finally completed by the unloading mechanism.

[0048] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0049] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Spraying device for the production of automotive aluminum alloy products, characterized in that: The invention comprises a workbench (1), wherein a conveying mechanism (2) is provided on the workbench (1), a plurality of mounting components (3) are provided on the conveying mechanism (2), and the mounting components (3) are used to fix the aluminum tube. A first spraying mechanism (4) and a second spraying mechanism (5) are provided on the workbench (1), a first drying mechanism (6) is provided on one side of the first spraying mechanism (4), and a second drying mechanism (7) is provided on one side of the second spraying mechanism (5); The workbench (1) is provided with a discharge mechanism (8), a loading belt (18) is provided on one side of the discharge mechanism (8), and the conveying mechanism (2) drives the aluminum tube to pass through the first spraying mechanism (4), the first drying mechanism (6), the second spraying mechanism (5), the second drying mechanism (7) and the discharge mechanism (8) in sequence.

2. The spraying device for producing automotive aluminum alloy products according to claim 1, characterized in that: The conveying mechanism (2) comprises a conveying frame chain (201), wherein the four corners of the conveying frame chain (201) are each provided with a driving wheel (202), a driving motor (203) is connected below the driving wheel (202), and the conveying frame chain (201) is connected to a plurality of mounting assemblies (3).

3. The spraying device for producing automotive aluminum alloy products according to claim 1, characterized in that: The mounting assembly (3) comprises a base plate (31), the bottom of the base plate (31) is connected to the conveying frame chain (201), the top of the base plate (31) is rotatably connected to a rotating gear (32), the top of the rotating gear (32) is connected to a fixed plate (33), and the fixed plate (33) is detachably connected to a fixed insertion rod (34).

4. The spraying device for producing automotive aluminum alloy products according to claim 1, characterized in that: The first spraying mechanism (4) comprises a spraying box (41), a nozzle (42) is provided inside the spraying box (41), the nozzle (42) is connected to a lifting assembly (44), an adjustment assembly (43) is provided below the nozzle (42), and the adjustment assembly (43) is connected to the mounting assembly (3).

5. The spraying device for producing automotive aluminum alloy products according to claim 1, characterized in that: The first drying mechanism (6) comprises a drying box (61) and a hot air box (62); the hot air box (62) is provided with a blower pump (63); and the blower pump (63) is connected to the drying box (61) via a hot air pipe (64).

6. The spraying device for producing automotive aluminum alloy products according to claim 1, characterized in that: The unloading mechanism (8) comprises a unloading frame (81) and a discharge pipe (88). The unloading frame (81) is provided with a clamping claw (82), the clamping claw (82) is connected to the lower end of a lifting cylinder (83), the lifting cylinder (83) is connected to a movable seat (84), one end of the movable seat (84) is connected to an electric telescopic rod (85), the discharge pipe (88) is installed on the workbench (1), a guide plate (86) is provided below the discharge pipe (88), and a collection frame (87) is provided at the discharge end of the guide plate (86).

7. The spraying device for producing automotive aluminum alloy products according to claim 4, characterized in that: The adjustment assembly (43) includes a mounting plate (431), an adjustment gear (432) is provided on the mounting plate (431), the lower portion of the adjustment gear (432) is connected to a rotating motor (434), the adjustment gear (432) is connected to an adjustment chain (433), and the adjustment chain (433) is engaged with the rotating gear (32).

8. The spraying device for producing automotive aluminum alloy products according to claim 1, characterized in that: An air pump (9) is provided below the workbench (1), and an air guide pipe (10) is connected above the air pump (9). The air guide pipe (10) is connected to the first spraying mechanism (4) and the second spraying mechanism (5) through a first air pump (11), and the air guide pipe (10) is connected to the first drying mechanism (6) and the second drying mechanism (7) through a second air pump (12). The air outlet end of the air pump (9) is connected to a purification component (13).

9. The spraying device for producing automotive aluminum alloy products according to claim 8, characterized in that: The air guide pipe (10) is connected to a dust suction pump (15) via a third air extraction pipe (14), and the dust suction pump (15) is connected to a dust collection box (16).

10. The spraying device for producing automotive aluminum alloy products according to claim 1, characterized in that: The first spraying mechanism (4) and the second spraying mechanism (5) have the same structure, the first drying mechanism (6) and the second drying mechanism (7) have the same structure, and a control box (17) is provided on the workbench (1).

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