Environment-friendly and wide-coverage-rate spraying device for aluminum profile door and window machining and using method of environment-friendly and wide-coverage-rate spraying device

Abstract

The invention relates to the technical field of atomization spraying devices, in particular to an environment-friendly and wide-coverage-rate spraying device for aluminum profile door and window machining and a using method of the environment-friendly and wide-coverage-rate spraying device for aluminum profile door and window machining. A spraying assembly based on visual feedback is adopted, and the method comprises the steps that S1, a model is imported and a path is initialized, planning an initial spraying path based on the model; s2, real-time visual sensing is conducted, specifically, a spraying unit is controlled to move along the initial spraying path and execute spraying operation, meanwhile, operation information of a spraying area is collected in real time through an integrated high-speed visual sensor, and the operation information comprises paint mist splashing parameters and coating covering parameters; according to the spraying method and device, intelligent control over the spraying process is achieved through visual feedback and a dynamic adjusting mechanism. The visual sensor collects parameters in real time and generates an optimization instruction, the air curtain form and the spraying track are dynamically adjusted, the coating covering uniformity is improved to 99% or above, and the spraying missing rate and the spraying thinning rate are reduced to 1% or below.

Description

Technical Field

[0001] This invention relates to the field of atomizing spraying devices, specifically an environmentally friendly and wide-coverage spraying device for aluminum profile door and window processing and its usage method. Background Technology

[0002] In the aluminum profile door and window processing industry, the spraying process directly affects the product's appearance quality and weather resistance. Traditional spraying methods rely on manual experience to plan the path, which is prone to uneven coating coverage due to the complex structure of the profiles (such as grooves and corners), with a missed spraying and thin spraying rate as high as 8% to 12%. At the same time, the paint mist splashing during the spraying process is serious, which not only causes paint waste (waste rate of about 15%), but also pollutes the environment and endangers the health of operators.

[0003] While existing spraying equipment features a simple air curtain structure, the air curtain shape is fixed and cannot be dynamically adjusted based on real-time paint mist backflow, resulting in poor paint mist control. Furthermore, the lack of a visual feedback mechanism makes it difficult to correct the spraying path in real time, failing to meet the demands for high-precision and environmentally friendly production. In addition, some devices exhibit poor atomization, leading to significant coating thickness variations that affect the durability of aluminum profile doors and windows. Therefore, there is an urgent need for a spraying method and equipment that combines high coverage with environmental friendliness. Summary of the Invention

[0004] To address the problems in the prior art, this invention provides an environmentally friendly and wide-coverage spraying device and its application method for processing aluminum profile doors and windows.

[0005] The technical solution adopted by this invention to solve its technical problem is: an environmentally friendly and wide-coverage spraying method for processing aluminum profile doors and windows, which adopts a spraying component based on visual feedback. S1: Model Import and Path Initialization: Obtain the three-dimensional digital model of the aluminum profile doors and windows to be sprayed, and plan the initial spraying path based on the model; S2: Real-time visual sensing: Controls the spraying unit to move along the initial spraying path and perform spraying operations, while simultaneously collecting real-time operation information of the spraying area through an integrated high-speed visual sensor. The operation information includes paint mist splatter parameters and coating coverage parameters. S3: Intelligent Analysis and Command Generation: Based on the real-time collected operation information, the system processes and analyzes the data to generate a dynamic control command set. The dynamic control command set includes air curtain control commands for adjusting the effect of the air curtain unit and path compensation commands for correcting the motion trajectory of the spraying unit. S4: Cooperative dynamic execution: According to the air curtain control command, the airflow parameters of the air curtain unit are adjusted in real time to form the optimal air curtain barrier to suppress the current paint mist splashing; at the same time, according to the path compensation command, the spraying unit is controlled to perform compensation movement to ensure the uniformity of coating coverage on the surface of complex profiles. S5: Paint mist recovery and treatment: Paint mist intercepted and captured by the air curtain barrier is transported to the separation and recovery device for centralized treatment through a negative pressure suction system.

[0006] An environmentally friendly and wide-coverage spraying device for aluminum profile door and window processing, comprising spraying components, The spraying assembly includes a spraying structure, the spraying structure including a rotating air curtain box for forming an air curtain; Air ducts are used to provide airflow for the rotating air curtain box and during the painting process; the air ducts are connected to the air pump. The integrated nozzle is connected to the air duct through a flexible air tube, and one end of the integrated nozzle is equipped with an atomizing spraying section. A fixing air ring is fitted around the atomizing spraying section. The fixing air ring and the atomizing spraying section form an annular air channel to constrain and guide the flow of paint mist. The end of the atomizing spray section is fitted with a diffusion guide head, which is a replaceable structure with different diffusion angles and guide vane configurations; and | or; The atomizing spraying section adopts a high-pressure airless atomization method, which can achieve a high degree of atomization of the paint.

[0007] The beneficial effects of this invention are: (1) The present invention provides an environmentally friendly and wide-coverage spraying device and its method for processing aluminum profile doors and windows. The spraying method and device achieve intelligent control of the spraying process through visual feedback and dynamic adjustment mechanisms. The visual sensor collects parameters in real time and generates optimization instructions, dynamically adjusting the air curtain shape and spraying trajectory, thereby improving the coating coverage uniformity to over 99% and reducing the rate of missed spraying and thin spraying to below 1%, solving the problem of low precision caused by manual operation in traditional spraying. At the same time, the combination of air curtain interception and negative pressure suction with the exhaust filtration system achieves a paint mist interception rate of over 92%, an exhaust gas purification rate of over 98%, and reduces the paint mist waste rate from 15% to below 3%, which reduces paint loss and avoids environmental pollution, meets the requirements of green production, and can meet the needs of large-scale, high-precision, and environmentally friendly spraying of aluminum profile doors and windows.

[0008] (2) The present invention discloses an environmentally friendly and wide-coverage spraying device and its usage method for aluminum profile door and window processing. The device's structural design combines flexibility and stability. The replaceable diffusion guide head is adaptable to aluminum profile door and window structures. Electrostatic adsorption and high-pressure airless atomization technology improve the coating utilization rate to over 90%, and significantly enhance the coating adhesion and durability. In addition, dual robotic arms working in conjunction with a circulating path track achieve automated operation, increasing production efficiency by 40%, and the high adjustment accuracy of each component (such as position repeatability accuracy ±0.03mm) ensures stable spraying quality. Compared with traditional equipment, this device not only reduces labor costs and material waste, but also adapts to diverse production needs, providing aluminum profile door and window processing enterprises with an efficient, environmentally friendly, and precise spraying solution, and has broad application prospects. Attached Figure Description

[0009] The present invention will be further described below with reference to the accompanying drawings and examples.

[0010] Figure 1 This is a flowchart of the method of the present invention; Figure 2 This is a three-dimensional structural diagram of the present invention; Figure 3 This is a schematic diagram of the three-dimensional structure of the loop path track of the present invention; Figure 4 For the present invention Figure 3 Schematic diagram of the structure at point A in the middle; Figure 5 This is a three-dimensional structural diagram of the spraying assembly of the present invention; Figure 6 This is a three-dimensional structural diagram of the guide rail box of the present invention; Figure 7 This is a diagram showing the positions of the rotating air curtain box and the air duct in this invention. Figure 8 This is a diagram showing the connection between the integrated spray nozzle and the rigid paint tube of the present invention. Figure 9 This is a schematic diagram of the three-dimensional structure of the integrated nozzle of the present invention.

[0011] In the diagram: 100, spray booth; 200, first robotic arm; 300, spraying assembly; 310, main square tube beam; 311, first motor; 320, guide rail box; 321, moving guide rail; 322, second motor; 323, adjusting belt; 324, moving frame; 325, horizontal axis; 330, spraying structure; 331, air duct; 332, rotating air curtain box; 333, flexible air pipe; 334, rigid paint pipe; 335, integrated spray head; 336, electrostatic connection line; 337, fixed air ring; 338, diffusion guide head; 339, atomizing spraying section; 400, spraying robotic arm; 500, circulation path track; 600, exhaust filter assembly. Detailed Implementation

[0012] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0013] like Figures 1-9 As shown, the present invention provides an environmentally friendly and wide-coverage spraying method for processing aluminum profile doors and windows, employing a spraying component based on visual feedback. S1: Model Import and Path Initialization: Obtain the three-dimensional digital model of the aluminum profile doors and windows to be sprayed, and plan the initial spraying path based on the model; S2: Real-time visual sensing: Controls the spraying unit to move along the initial spraying path and perform spraying operations, while simultaneously collecting real-time operation information of the spraying area through an integrated high-speed visual sensor. The operation information includes paint mist splatter parameters and coating coverage parameters. S3: Intelligent Analysis and Command Generation: Based on the real-time collected operation information, the system processes and analyzes the data to generate a dynamic control command set. The dynamic control command set includes air curtain control commands for adjusting the effect of the air curtain unit and path compensation commands for correcting the motion trajectory of the spraying unit. S4: Cooperative dynamic execution: According to the air curtain control command, the airflow parameters of the air curtain unit are adjusted in real time to form the optimal air curtain barrier to suppress the current paint mist splashing; at the same time, according to the path compensation command, the spraying unit is controlled to perform compensation movement to ensure the uniformity of coating coverage on the surface of complex profiles. S5: Paint mist recovery and treatment: Paint mist intercepted and captured by the air curtain barrier is transported to the separation and recovery device for centralized treatment through a negative pressure suction system.

[0014] It should be understood that: first, the 3D model of the aluminum profile doors and windows to be painted is imported to plan the initial path. As the painting unit operates along the path, high-speed vision sensors collect paint mist splatter and coating coverage parameters in real time. This data is analyzed to generate air curtain control and path compensation commands. The airflow parameters of the painting air curtain are dynamically adjusted to suppress paint mist backsplatter, and the painting trajectory is corrected to ensure a uniform coating. Finally, the captured paint mist is captured by negative pressure suction and centrally processed. Coating coverage uniformity is improved to over 99%, and paint mist waste rate is reduced to below 3%, achieving the dual goals of environmental protection and high-precision painting.

[0015] The system employs a high-speed vision sensor with a resolution of 1280×720 (60fps), imports 3D models in STL format, achieves an initial path planning accuracy of ±0.1mm, adjusts the airflow of the air curtain from 5 to 15m / s, and provides negative pressure suction of -0.08MPa.

[0016] Furthermore, in step S3, the specific sub-steps for generating the air curtain control command include: S31a: Based on the paint mist splashing parameters, identify the main source direction and high-intensity area of ​​paint mist splashing; S32a: Based on the source direction and high-intensity area information, generate independent control commands to adjust the opening degree of multiple independent air valves and / or the angle of directional nozzles in the air curtain unit, so that the generated air curtain shape is adaptively matched with the real-time anti-splash state; and / or; The air curtain control command controls the air curtain unit to generate one or more combinations of laminar flow air curtain, turbulent flow air curtain, or directional vortex airflow air curtain.

[0017] Based on the paint mist splash parameters, the direction of splash source and high-intensity area are identified, and commands are generated to adjust the opening of the independent air valves and the angle of the directional nozzles of the air curtain unit, or to control the air curtain unit to generate a combination of laminar flow, turbulent flow and directional vortex airflow air curtain. The air curtain and the paint mist splash state are adaptively matched, and the paint mist interception rate is increased to more than 92%, avoiding paint mist diffusion pollution. Further, in step S3, the specific sub-steps for generating the path compensation instruction include: S31b: The coating coverage parameters collected in real time are compared with the preset ideal coating model in real time to identify weak areas and missed areas where the coverage is not up to standard; S32b: For the weak areas and missed areas, generate instructions to increase the number of spray coats, reduce the spray gun movement speed, adjust the spray gun attitude angle, or add micro-compensation paths.

[0018] Real-time coating coverage parameters are compared with the ideal coating model to identify substandard weak areas and missed areas, generating instructions to increase the number of spray coats, reduce the spray gun movement speed, adjust the spray gun attitude angle, or add micro-compensation paths. This accurately locates coating defect areas, reducing missed and thin spray rates to below 1%, eliminating the need for subsequent touch-ups and improving production efficiency.

[0019] The ideal coating model is set to a thickness of 80-120μm. When the coating thickness in a certain area is only 50μm, an instruction is generated to add one more spraying pass, and the spray gun movement speed is reduced from 50mm / s to 30mm / s. After the re-spraying, the coating thickness meets the standard.

[0020] An environmentally friendly and wide-coverage spraying device for processing aluminum profile doors and windows includes a spraying assembly 300. The spraying assembly 300 includes a spraying structure 330, which includes a rotating air curtain box 332 for forming an air curtain; Duct 331 is used to provide airflow to the rotating air curtain box 332 and to the paint air curtain formed during the painting process; duct 331 is connected to the air pump. An integrated nozzle 335 is connected to an air duct 331 via a flexible air tube 333. One end of the integrated nozzle 335 is provided with an atomizing paint spraying section 339. A fixing air ring 337 is sleeved on the outside of the atomizing paint spraying section 339. The fixing air ring 337 and the atomizing paint spraying section 339 form an annular air passage to constrain and guide the flow of paint mist.

[0021] The air pump supplies air to the rotating air curtain box 332 through the air duct 331 to form an air curtain. This air curtain is used to prevent a large amount of free paint particles from being dispersed into the paint booth 100 or adhering to the machine and paint booth during the painting process. This air curtain can also accelerate the atomized paint to enter the exhaust filter assembly 600 quickly. At the same time, it provides airflow for spraying; the integrated nozzle 335 is connected to the air duct 331 via the flexible air tube 333. When the atomizing spraying unit 339 sprays, the fixed air ring 337 and the atomizing spraying unit 339 form an annular air passage to constrain and guide the flow of paint mist.

[0022] The annular air duct prevents disorderly diffusion of paint mist, increasing paint utilization by more than 10%. Its compact structure facilitates installation and debugging. The air pump output pressure is 0.6 MPa, the duct diameter (331) is 20 mm, the inner diameter of the fixed air ring (337) is 50 mm, the annular air duct width is 5 mm, and the paint mist flow direction deviation is controlled within ±3°.

[0023] Furthermore, a diffusion guide head 338 is inserted into the end of the atomizing paint spraying section 339. The diffusion guide head 338 is a replaceable structure with different diffusion angles and guide blade configurations. The atomizing spraying section 339 adopts a high-pressure airless atomization method, which can achieve a high degree of atomization of the paint.

[0024] The diffusion guide head 338 is replaceable, and different diffusion angle configurations can be adapted to the spraying needs of different profile structures; or the atomizing spraying section 339 adopts a high-pressure airless atomization method to highly atomize the paint.

[0025] This coating is compatible with various aluminum profile door and window structures, producing uniform atomized particles (10-30μm) and improving coating adhesion by over 15%. The 338 diffuser head is available in three diffusion angles: 30°, 45°, and 60°. It operates at a high-pressure, airless atomization pressure of 15-20MPa, and the standard deviation of the atomized paint particle size is ≤5μm. For spraying narrow window frame profiles, use the smaller-angle diffuser head 338; for spraying wide door panels, switch to the larger-angle diffuser head 338.

[0026] Furthermore, one end of the integrated spray nozzle 335 is provided with a rigid paint tube 334, and the input end of the rigid paint tube 334 is connected to an external paint supply system. An electrostatic connection line 336 is fixedly connected to the bottom outer wall of the integrated nozzle 335, and the end of the electrostatic connection line 336 away from the integrated nozzle 335 is electrically connected to an external electrostatic generator.

[0027] The rigid paint tube 334 delivers the paint from the external paint supply system to the integrated spray head 335. The electrostatic connection line 336 connects the integrated spray head 335 to the external electrostatic generator, causing the paint particles to become charged and adhere to the surface of the aluminum profile doors and windows.

[0028] Among these features, electrostatic adsorption increases paint utilization to over 90%, improves coating uniformity, and reduces paint waste. The rigid paint tube is 334 with a diameter of 10mm (made of 304 stainless steel), the paint supply pressure is 0.3MPa, the electrostatic generator output voltage is 50-80kV, and the paint adsorption rate reaches 92%.

[0029] Furthermore, it also includes a main square tube beam 310, one end of which is fixedly equipped with a first motor 311. The first motor 311 is fixedly connected to the end of the spraying robot 400 and is used to assist in adjusting the spraying angle of the workpiece. Multiple sets of guide rail boxes 320 are fixedly installed on one side of the main square tube beam 310, and a movable frame 324 is provided on one side of the guide rail box 320. A horizontal shaft 325 is connected to one side of the movable frame 324, and the integrated spray head 335 is connected to the outer wall of the horizontal shaft 325 through a sliding sleeve fitted outside the rigid paint tube 334.

[0030] The first motor 311 drives the main square tube beam 310 to adjust its angle, assisting the spraying robot 400 in optimizing the spraying angle of the workpiece; the guide box 320, together with the moving frame 324, drives the horizontal axis 325 to move, and the integrated nozzle 335 adjusts its position along the horizontal axis through the sliding sleeve. The integrated nozzle 335 moves together with the horizontal axis 325, with a wider adjustment range. Multiple integrated nozzles 335 are connected on one horizontal axis 325, and the nozzles can be selectively opened. When one or more of them are damaged, it will not affect the normal use of other integrated nozzles 335.

[0031] Among them, the spraying angle adjustment range is expanded to 0-120°, the nozzle position adjustment accuracy is ±0.05mm, and it is suitable for spraying complex profiles. The first motor 311 is a servo motor (power 400W, speed 0-300rpm), the angle adjustment range of the main square tube beam 310 is 0-120°, the moving frame moving speed is 0-100mm / s, and the horizontal axis parallelism error is ≤0.02mm / m.

[0032] Furthermore, the guide rail box 320 is provided with not less than two movable guide rails 321, and the movable frame 324 is sleeved on the outer wall of the movable guide rails 321; a second motor 322 is fixedly provided at the bottom of the inner wall of the guide rail box 320, and an adjusting belt 323 is provided at the output end of the second motor 322; a shaft that cooperates with the adjusting belt 323 is provided at the top of the guide rail box 320, and the movable frame 324 is moved by the rotation of the adjusting belt 323.

[0033] The guide box 320 has no less than two movable guide rails 321 to ensure the stable sliding of the movable frame 324. The second motor 322 drives the adjusting belt 323 to rotate, which drives the movable frame 324 to move along the movable guide rails 321, thereby adjusting the position of the integrated nozzle 335.

[0034] Among them, the sliding stability of the movable frame 324 is improved, and the position repeatability is ±0.03mm, ensuring the accuracy of the spraying trajectory. There are two movable guide rails 321 (15mm in diameter, made of bearing steel), the second motor 322 is a stepper motor (step angle 1.8°), the adjusting belt 323 is a synchronous belt (tooth pitch 5mm), and the repeatability of the movable frame 324 is ±0.03mm.

[0035] Furthermore, the spraying robot 400 is placed inside the spray booth 100. The spraying assembly 300 is configured to correspond to the gripping area of ​​the spraying robot 400; The first robotic arm 200 is located on one side of the paint booth 100 and is used to clamp aluminum profile door and window workpieces. The circulating path track 500 is laid inside the paint booth 100 for the circulating transportation of aluminum profile doors and windows.

[0036] A painting robot 400 is placed inside a paint booth 100, and a painting component 300 is set in the corresponding clamping area. The first robot 200 clamps the aluminum profile door and window workpiece, and the circulation path track 500 realizes the cyclic transportation of the workpiece to cooperate with the painting operation.

[0037] Among these advancements, automated workpiece transportation and spraying have increased production efficiency by over 40% and reduced manual intervention. The spraying robot has a load capacity of 50kg (positioning accuracy ±0.05mm), the first robot has a clamping force of 500-1000N, the circulating path track has a conveying speed of 0-2m / min, and it can process 800 aluminum profile doors and windows per day.

[0038] Furthermore, an exhaust filtration assembly 600 is provided on the top of the paint booth 100, the exhaust filtration assembly 600 including a filter box, an activated carbon filter and a HEPA high-efficiency filter; The bottom of the filter box is connected to the top of the paint booth 100. The activated carbon filter and the HEPA high-efficiency filter are detachably arranged inside the filter box in sequence along the airflow direction. An exhaust fan is fixedly installed on the top of the filter box, and the output end of the exhaust fan extends to the outside of the filter box.

[0039] In the exhaust filter assembly 600 at the top of the spray booth 100, the exhaust fan draws the paint mist-containing air into the filter box, where it passes through an activated carbon filter to adsorb organic waste gas and a HEPA high-efficiency filter to filter paint mist particles before being discharged. The airflow generated by rotating the air curtain box 332 can also blow the paint mist-laden air toward the filter box, accelerating the gas circulation.

[0040] Among them, the exhaust gas purification rate is over 98%, the emitted gas meets the standards, and the ecological environment is protected.

[0041] The exhaust fan has an air volume of 2000 m³ / h, the activated carbon filter has an adsorption capacity of 80 g / m², and the HEPA high-efficiency filter has a filtration efficiency of 99.97% (for 0.3 μm particles). The concentration of paint mist in the purified exhaust gas is ≤10 mg / m³.

[0042] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly and wide-coverage spraying method for processing aluminum profile doors and windows, employing a visual feedback-based spraying component, characterized in that: S1: Model Import and Path Initialization: Obtain the three-dimensional digital model of the aluminum profile doors and windows to be sprayed, and plan the initial spraying path based on the model; S2: Real-time visual sensing: Controls the spraying unit to move along the initial spraying path and perform spraying operations, while simultaneously collecting real-time operation information of the spraying area through an integrated high-speed visual sensor. The operation information includes paint mist splatter parameters and coating coverage parameters. S3: Intelligent Analysis and Command Generation: Based on the real-time collected operation information, the system processes and analyzes the data to generate a dynamic control command set. The dynamic control command set includes air curtain control commands for adjusting the effect of the air curtain unit and path compensation commands for correcting the motion trajectory of the spraying unit. S4: Cooperative dynamic execution: According to the air curtain control command, the airflow parameters of the air curtain unit are adjusted in real time to form the optimal air curtain barrier to suppress the current paint mist splashing; at the same time, according to the path compensation command, the spraying unit is controlled to perform compensation movement to ensure the uniformity of coating coverage on the surface of complex profiles. S5: Paint mist recovery and treatment: Paint mist intercepted and captured by the air curtain barrier is transported to the separation and recovery device for centralized treatment through a negative pressure suction system.

2. The environmentally friendly and wide-coverage spraying method for processing aluminum profile doors and windows according to claim 1, characterized in that: In step S3, the specific sub-steps for generating air curtain control commands include: S31a: Based on the paint mist splash parameters, identify the main source direction and high-intensity area of ​​paint mist splash; S32a: Based on the source direction and high-intensity area information, generate independent control commands to adjust the opening degree of multiple independent air valves and / or the angle of directional nozzles in the air curtain unit, so that the generated air curtain shape is adaptively matched with the real-time anti-splash state; and / or; The air curtain control command controls the air curtain unit to generate one or more combinations of laminar flow air curtain, turbulent flow air curtain, or directional vortex airflow air curtain.

3. The environmentally friendly and wide-coverage spraying method for processing aluminum profile doors and windows according to claim 1, characterized in that: In step S3, the specific sub-steps for generating the path compensation instruction include: S31b: The coating coverage parameters collected in real time are compared with the preset ideal coating model in real time to identify weak areas and missed areas where the coverage is not up to standard; S32b: For the weak areas and missed areas, generate instructions to increase the number of spray coats, reduce the spray gun movement speed, adjust the spray gun attitude angle, or add micro-compensation paths.

4. An environmentally friendly and wide-coverage spraying device for processing aluminum profile doors and windows, characterized in that: Including spray coating components, The spraying assembly includes a spraying structure, the spraying structure including a rotating air curtain box for forming an air curtain; Air ducts are used to provide airflow for the rotating air curtain box and during the painting process; the air ducts are connected to the air pump. The integrated nozzle is connected to the air duct via a flexible air tube, and one end of the integrated nozzle is equipped with an atomizing spraying section. A fixing air ring is fitted around the atomizing spraying section. The fixing air ring and the atomizing spraying section form an annular air channel to constrain and guide the flow of paint mist.

5. The environmentally friendly and wide-coverage spraying device for processing aluminum profile doors and windows according to claim 4, characterized in that: The end of the atomizing spray section is fitted with a diffusion guide head, which is a replaceable structure with different diffusion angles and guide vane configurations; and | or; The atomizing spraying section adopts a high-pressure airless atomization method, which can achieve a high degree of atomization of the paint.

6. The environmentally friendly and wide-coverage spraying device for processing aluminum profile doors and windows according to claim 4, characterized in that: One end of the integrated nozzle is equipped with a rigid paint tube, and the input end of the rigid paint tube is connected to an external paint supply system. An electrostatic connection wire is fixedly connected to the bottom outer wall of the integrated nozzle, and the end of the electrostatic connection wire away from the integrated nozzle is electrically connected to an external electrostatic generator.

7. The environmentally friendly and wide-coverage spraying device for processing aluminum profile doors and windows according to claim 4, characterized in that: It also includes a main square tube beam, one end of which is fixedly equipped with a first motor, which is fixedly connected to the end of the spraying robot arm to assist in adjusting the spraying angle of the workpiece. Multiple sets of guide rail boxes are fixedly installed on one side of the main square tube beam, and a movable frame is provided on one side of each guide rail box. A horizontal shaft is connected to one side of the movable frame, and the integrated spray head is connected to the outer wall of the horizontal shaft through a sliding sleeve fitted outside the rigid paint tube.

8. The environmentally friendly and wide-coverage spraying device for processing aluminum profile doors and windows according to claim 7, characterized in that: The guide rail box is equipped with at least two movable guide rails, and the movable frame is sleeved on the outer wall of the movable guide rails; a second motor is fixedly installed at the bottom of the inner wall of the guide rail box, and an adjusting belt is installed at the output end of the second motor; a shaft that cooperates with the adjusting belt is installed at the top of the guide rail box, and the movable frame is moved by the rotation of the adjusting belt.

9. The environmentally friendly and wide-coverage spraying device for processing aluminum profile doors and windows according to claim 7, characterized in that: The painting robot is placed inside the spray booth. The spraying assembly is set in accordance with the gripping area of ​​the spraying robot; The first robotic arm is located on one side of the paint booth and is used to clamp aluminum profile door and window workpieces; A circular path track is laid inside the paint booth for the circular transportation of aluminum profile doors and windows.

10. The environmentally friendly and wide-coverage spraying device for processing aluminum profile doors and windows according to claim 9, characterized in that: The top of the paint booth is equipped with an exhaust filtration assembly, which includes a filter box, an activated carbon filter, and a HEPA high-efficiency filter. The bottom of the filter box is connected to the top of the paint booth. The activated carbon filter and the HEPA high-efficiency filter are detachably installed inside the filter box in sequence along the airflow direction. An exhaust fan is fixedly installed on the top of the filter box, and the output end of the exhaust fan extends to the outside of the filter box.

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