Spraying device for machining magnesium alloy basket of electric vehicle

Abstract

The invention relates to the technical field of spraying processing, in particular to a spraying device for processing a magnesium alloy basket of an electric vehicle, which comprises a spray gun, the upper end of the spray gun is in threaded connection with a paint spraying bottle, the outer wall of the spray gun is fixedly connected with a first matching pipe, and the first matching pipe is internally and fixedly connected with a first mounting inner pipe; water is filled between the first mounting inner pipe and the first matching pipe, a heating mechanism is further fixedly mounted in the first mounting inner pipe, a connecting inner pipe is further fixedly connected to the inner wall of the second matching pipe, a high-pressure air pump is further arranged on the right side of the spray gun, and when the spray gun sprays the magnesium alloy basket of the electric vehicle, gas can be heated, so that sprayed paint driven out is also heated; the molecular activity of the heated spray paint is enhanced, the heated spray paint can be tightly attached to the surface of the basket, compared with unheated spray paint, the adhesive force is greatly improved, the paint falling problem in subsequent use is effectively reduced, the paint surface quality and durability of the basket are improved, and a better surface treatment means is provided for electric vehicle production.

Description

Technical Field

[0001] The invention relates to the technical field of spraying processing, in particular to a spraying device for processing a magnesium alloy basket of an electric vehicle. Background Art

[0002] In the processing of magnesium alloy baskets for electric vehicles, surface spraying is a key process, and its quality directly affects the appearance, corrosion resistance and service life of the basket. Traditional spraying devices often simply spray paint on the surface of the basket at room temperature. However, magnesium alloy materials have their own unique surface properties. The paint sprayed at room temperature has limited adhesion and is prone to peeling and paint loss during subsequent use. This not only affects the appearance of the product, but also reduces its protective performance. In addition, with the continuous improvement of product quality requirements and the intensification of market competition, a spraying solution that can improve paint adhesion is urgently needed. At the same time, after the spray gun is used, a large amount of paint will remain inside. If it is not cleaned thoroughly in time, the dried paint will clog the nozzle and internal channels of the spray gun, affecting the normal use and spraying effect of the spray gun, reducing production efficiency, and increasing maintenance costs and time. The previous cleaning methods were mostly simple solvent wiping or flushing, which was difficult to completely remove the stubborn paint residue inside the spray gun, and may cause certain damage to the spray gun, which is not conducive to environmental protection. Therefore, the development of a spraying device that can effectively heat the paint to enhance its adhesion to the basket and use high-temperature hot water to efficiently and non-destructively clean the spray gun has important practical significance and industrial value for improving the processing quality and production efficiency of the magnesium alloy basket of electric vehicles and reducing production costs and environmental pollution.

[0003] Chinese patent (publication number CN216261607U), which discloses a surface spraying device for electric vehicle processing, relates to the technical field of electric vehicle processing, comprises a mobile box, the interior of the mobile box is fixedly connected with a battery box, the interior of the mobile box and below the battery box is provided with a stirring and feeding assembly, the stirring and feeding assembly comprises a storage box and a discharge pipe, the interior of the mobile box and below the battery box is fixedly connected with a storage box, the utility model is beneficial and efficient: a stirring and feeding assembly is provided, thereby causing uneven density during spraying, improving the aesthetics of the spraying, an angle adjustment assembly is provided, increasing the coverage area of ​​the spraying, a drying and heating assembly is provided, after the spraying is completed, the secondary pollution of the sprayed objects by dust particles in the air is avoided, a storage box, a battery box, a solar panel and a universal wheel are provided, and the installation of the universal wheel realizes convenient movement and meets the use requirements.

[0004] According to the above scheme, when processing the magnesium alloy basket of electric vehicles, the paint can only be dried by the drying component, and the paint cannot be heated during spraying, and the adhesion between the paint and the basket cannot be effectively increased. Moreover, the inside of the spray gun cannot be cleaned. The residual paint in the spray gun will lead to reduced efficiency and increased maintenance costs, affecting the spraying effect. For this reason, we have designed a spray device for processing magnesium alloy baskets of electric vehicles to solve the problems of heating paint and cleaning spray guns, improve the quality and efficiency of the spraying process, and meet the needs of industrial development. Summary of the invention

[0005] The object of the present invention is to provide a spraying device for processing a magnesium alloy basket of an electric vehicle to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A spraying device for processing a magnesium alloy basket of an electric vehicle comprises a spray gun, a spray bottle is threadedly connected to the upper end of the spray gun, a first matching tube is fixedly connected to the outer wall of the spray gun, a first installation inner tube is fixedly connected to the inside of the first matching tube, water is filled between the first installation inner tube and the first matching tube, a heating mechanism is fixedly installed inside the first installation inner tube, a second matching tube is fixedly connected to the end of the first matching tube away from the spray gun, a heating ring is fixedly connected to the inside of the second matching tube, the heating ring can heat the water inside the first installation inner tube and the first matching tube, and the water is heated to evaporate steam to provide steam to the inside of the heating mechanism; The inner wall of the second matching pipe is also fixedly connected to a connecting inner pipe, and a high-pressure air pump is also arranged on the right side of the spray gun, and the air outlets of the high-pressure air pump are respectively fixedly connected to the first connecting pipe, and the end of the first connecting pipe away from the high-pressure air pump is fixedly connected to the connecting inner pipe, and a pumping mechanism is fixedly connected between the second matching pipe and the first connecting pipe, which can extract water between the first matching pipe and the first installation inner pipe, so as to flush the internal structure of the spray gun.

[0007] As a further feature of the present invention, a U-shaped tube is arranged inside the second matching tube, the U-shaped tube is fixedly connected to the outer wall of the heating ring, the U-shaped tube is communicated with the first installation inner tube, the outer wall of the U-shaped tube is also fixedly connected to a pressure relief tube, and the outer wall of the pressure relief tube is passed through the interior of the second matching tube, and a pressure relief valve is installed inside the pressure relief tube.

[0008] As a further embodiment of the present invention, the heating mechanism includes three spherical shells, and the three spherical shells are fixedly connected by pipes. The leftmost spherical shell is fixedly connected to the spray gun, and the rightmost spherical shell is fixedly connected to the connecting inner tube. The spherical shell is fixedly connected to the interior of the first installation inner tube. A steam pipe is also fixedly connected to the interior of the spherical shell, and the outer wall of the steam pipe is passed through the interior of the first installation inner tube.

[0009] As a further feature of the present invention, a mounting frame is fixedly connected to the bottom of the steam pipe, a rotating wheel is rotatably connected to the inside of the mounting frame, four air vents are provided on the outer wall of the rotating wheel, the upper end of the rotating wheel abuts against the bottom of the steam pipe, one of the air vents is communicated with the steam pipe, an inner ball is also provided on the outside of the mounting frame, a rotating rod is fixedly connected to the outer wall of the rotating wheel, the outer wall of the rotating rod is passed through the interior of the ball shell, the first mounting inner tube and the first matching tube, the outer wall of the steam pipe is fixedly connected to the inner ball, the outer wall of the rotating rod is rotatably connected to the inside of the inner ball, and a plurality of air holes are provided on the outer wall of the inner ball.

[0010] As a further feature of the present invention, a ball sleeve is further provided on the outside of the inner ball, the steam pipe and the outer wall of the rotating rod are both slidably connected with a movable tube, and the inside of the ball sleeve is fixedly connected to the outer walls of the two movable tubes, a number of elastic ropes are fixedly connected between the ball sleeve and the inner ball, and three mounting round boxes are also fixedly connected to the outer wall of the first matching tube, and the mounting round boxes are fixedly connected to the outer wall of the first matching tube, and each of the rotating rods is rotatably connected to the inside of the corresponding mounting round box, and a rotating circular plate is fixedly connected to the end of the rotating rod away from the rotating wheel, and a number of matching grooves are opened in the inner wall of the mounting round box, and a liquid leakage port with a reset function is fixedly connected to the end of the rotating circular plate close to the rotating rod.

[0011] As a further feature of the present invention, the pumping mechanism includes a rectangular box, which is fixedly connected to the upper end of the second matching pipe, and a water pump is fixedly installed inside the rectangular box. The water outlet of the water pump is fixedly connected to the outer wall of the first connecting pipe through the second connecting pipe, and the outer wall of the second connecting pipe is passed through the interior of the rectangular box.

[0012] As a further feature of the present invention, a connection box is fixedly connected to the outer wall of the first matching pipe, and the water inlet of the water pump is fixedly connected to the outer wall of the connection box via a pipeline.

[0013] As a further feature of the present invention, the connecting box is fixedly connected to one end of the connecting box close to the first matching tube with a second installing inner tube, and the second installing inner tube is located between the first matching tube and the first installing inner tube, the outer wall of the second installing inner tube abuts against the inner wall of the first matching tube, and a one-way valve is also fixedly connected to the inside of the first connecting tube.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. When the present invention is used, the spray gun can heat the gas when spraying the magnesium alloy basket of the electric vehicle, so that the driven paint is also heated. The activity of the heated paint molecules is enhanced and can be tightly attached to the surface of the basket. Compared with the unheated paint, the adhesion is greatly improved, which effectively reduces the problem of paint falling in subsequent use, improves the paint quality and durability of the basket, and provides a better surface treatment method for electric vehicle production.

[0015] 2. When the present invention is used, hot water is extracted through conversion and used for cleaning the inside of the spray gun. Such a design can effectively remove paint and dirt remaining on the spray gun after use, prevent it from clogging the internal channel and nozzle of the spray gun, ensure the normal working performance of the spray gun, extend the service life of the spray gun, and also help maintain a stable and high-quality spraying effect, thereby improving the efficiency and economic benefits of the entire spraying operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The front view of a spraying device for processing magnesium alloy baskets of electric vehicles.

[0017] Figure 2 A top view of a spraying device for processing magnesium alloy baskets of electric vehicles.

[0018] Figure 3 The present invention is a schematic diagram of the spray gun position structure of a spraying device used for processing a magnesium alloy basket of an electric vehicle.

[0019] Figure 4 The present invention is a schematic diagram of the internal structure of a first mounting inner tube in a spray coating device for processing a magnesium alloy basket of an electric vehicle.

[0020] Figure 5 The present invention is a schematic diagram of the internal structure of a second matching tube in a spraying device for processing a magnesium alloy basket of an electric vehicle.

[0021] Figure 6 The present invention is a schematic diagram of the internal structure of a first matching tube in a spraying device for processing a magnesium alloy basket of an electric vehicle.

[0022] Figure 7 The present invention is a schematic diagram of the position structure of a steam pipe in a spraying device for processing a magnesium alloy basket of an electric vehicle.

[0023] Figure 8 This is a schematic diagram of the internal structure of a round box installed in a spraying device for processing a magnesium alloy basket of an electric vehicle.

[0024] Fig. 9 The figure is a schematic diagram of the internal structure of a spherical shell in a spraying device used for processing a magnesium alloy basket of an electric vehicle.

[0025] Fig.10 The figure is a schematic diagram of the internal structure of a ball sleeve in a spraying device used for processing a magnesium alloy basket of an electric vehicle.

[0026] In the figure: 1, spray gun; 2, first matching pipe; 3, second matching pipe; 4, installation round box; 5, spray paint bottle; 6, first connecting pipe; 7, rectangular box; 8, recovery wheel; 9, installation base; 10, high-pressure air pump; 11, air pressure gauge; 12, display panel; 13, first installation inner pipe; 14. Connecting inner tube; 15. U-shaped tube; 16. Second connecting tube; 17. Pressure relief tube; 18. Heating ring; 19. One-way valve; 20. Second mounting inner tube; 21. Air vent; 22. Connecting plate; 23. Liquid leakage port; 24. Matching groove; 25. Connecting box; 26. Rotating circular plate; 27. first elastic telescopic rod; 28. steam pipe; 29. ​​ball shell; 30. elastic rope; 31. moving pipe; 32. rotating rod; 33. drain pipe; 34. air vent; 35. inner ball; 36. ball sleeve; 37. mounting frame; 38. vent; 39. rotating wheel; 101. heating mechanism; 201. pumping mechanism. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Example 1: Please refer to Figure 1 to Figure 5In an embodiment of the present invention, a spray coating device for processing a magnesium alloy basket of an electric vehicle comprises a spray gun 1, a spray bottle 5 is threadedly connected to the upper end of the spray gun 1, and the spray bottle 5 is filled with spray material. The outer wall of the spray gun 1 is also fixedly connected to a first matching tube 2, and a water injection port is provided on the outer wall of the first matching tube 2, and a rotating cover with a reset function is rotatably connected to the outer wall of the water injection port. A first installation inner tube 13 is also fixedly connected to the inside of the first matching tube 2, and water is filled between the first installation inner tube 13 and the first matching tube 2. A heating mechanism 101 is also fixedly installed inside the first installation inner tube 13, and a second matching tube 3 is also fixedly connected to the end of the first matching tube 2 away from the spray gun 1, and a heating ring 18 is fixedly connected to the inside of the second matching tube 3. The heating ring 18 can heat the water inside the first installation inner tube 13 and the first matching tube 2, and the water is heated to evaporate steam to provide steam to the inside of the heating mechanism 101. The inner wall of the second matching tube 3 is also fixedly connected to a connecting inner tube 14, and a high-pressure air pump 10 is also provided on the right side of the spray gun 1, and the air outlet of the high-pressure air pump 10 A first connecting pipe 6 is fixedly connected to the mouth, a mounting base 9 is provided between the spray gun 1 and the high-pressure air pump 10, a plurality of suction cups are fixedly connected to the bottom of the mounting base 9, and when the suction cups are in contact with the ground for adsorption, the mounting base 9 can be limited and fixed to prevent shaking and deviation, and a recovery wheel 8 is rotatably connected to the upper end of the mounting base 9 through a rotating shaft, and the first connecting pipes 6 are all wound around the outer wall of the recovery wheel 8, and the first connecting pipe 6 can be stored by rotating the recovery wheel 8, and the end of the first connecting pipe 6 away from the high-pressure air pump 10 is fixedly connected to the connecting inner pipe 14, and a pumping mechanism 201 that can extract water between the first matching pipe 2 and the first installation inner pipe 13 is fixedly connected between the second matching pipe 3 and the first connecting pipe 6, and the internal structure of the spray gun 1 can be flushed by the pumping mechanism 201, and a barometer 11 and a display panel 12 are also fixedly installed on the outer wall of the second matching pipe 3, the display panel 12 can control the high-pressure air pump 10, and the barometer 11 can detect the air pressure between the first matching pipe 2 and the first installation inner pipe 13.

[0029] Example 2: Please refer to Figure 5 , a U-shaped tube 15 is arranged inside the second matching tube 3, and the U-shaped tube 15 is in a "U" shape. The upper and lower ends of the U-shaped tube 15 are fixedly connected to the outer wall of the heating ring 18, and the U-shaped tube 15 is communicated with the first installation inner tube 13. The outer wall of the U-shaped tube 15 is also fixedly connected to a pressure relief tube 17, and the outer wall of the pressure relief tube 17 is penetrated into the interior of the second matching tube 3, and a pressure relief valve is installed inside the pressure relief tube 17. When the heating ring 18 heats the water inside the first matching tube 2 and the first installation inner tube 13, it is worth noting that the water is not filled up, and the liquid level of the water cannot be higher than or equal to the pressure relief tube 17. When the steam pressure between the first matching tube 2 and the first installation inner tube 13 increases, the steam will enter the pressure relief tube 17 through the U-shaped tube 15 and then release the pressure between the first matching tube 2 and the first installation inner tube 13 through the pressure relief valve; See also Figure 3 , Figure 4 , Figure 6 to Figure 10 The heating mechanism 101 includes three ball shells 29, and the three ball shells 29 are fixedly connected through pipelines. The leftmost ball shell 29 is fixedly connected to the nozzle inside the spray gun 1, and the rightmost ball shell 29 is fixedly connected to the connecting inner tube 14. The ball shell 29 is fixedly connected to the inside of the first installation inner tube 13. The inside of the ball shell 29 is also fixedly connected to a steam pipe 28. The outer wall of the steam pipe 28 is arranged inside the first installation inner tube 13. The upper end of the steam pipe 28 is located between the first installation inner tube 13 and the first matching tube 2. Two connecting pipes are also fixedly connected between the first installation inner tube 13 and the first matching tube 2. The two connecting plates 22 are symmetrically distributed between the first matching tube 2 and the first installation inner tube 13, and the steam tube 28 is located between the two connecting plates 22. A plurality of air holes 21 are provided inside each connecting plate 22, and a liquid leakage hole 23 is provided on the outer wall of each connecting plate 22. When the spray gun 1 is used, the spray gun 1 will drive the first matching tube 2 and the first installation inner tube 13 to shake, and the water between the spray gun 1 and the first installation inner tube 13 will splash into the steam tube 28. Since the connecting plates 22 are provided on both sides of the steam tube 28, the connecting plates 22 It will prevent water from splashing into the steam pipe 28, but a small amount of water will still pass through the air vent 21 and flow between the two air vents 21. Then, due to gravity, the water will flow from the inside of the leakage port 23 along the outer wall of the first installation inner tube 13 to between the first matching tube 2 and the first installation inner tube 13, and then merge with other water. A mounting frame 37 is also fixedly connected to the bottom of the steam pipe 28. A circular hole is opened at the upper end of the mounting frame 37. The steam pipe 28 is located in the circular hole. A rotating wheel 39 is rotatably connected to the inside of the mounting frame 37 through a rotating shaft. Four vents 38 are opened on the outer wall of the rotating wheel 39. Four vents 38 are distributed in a circumferential manner from large to small on the outer wall of the rotating wheel 39. The upper end of the rotating wheel 39 abuts against the bottom of the steam pipe 28. One of the vents 38 is connected to the steam pipe 28. An inner ball 35 is also arranged outside the mounting frame 37. A rotating rod 32 is fixedly connected to the outer wall of the rotating wheel 39. The outer wall of the rotating rod 32 penetrates the interior of the ball shell 29, the first mounting inner tube 13 and the first matching tube 2. The outer wall of the steam pipe 28 is fixedly connected to the inner ball 35. The outer wall of the rotating rod 32 is rotatably connected to the interior of the inner ball 35. The outer wall of the inner ball 35 is also provided with a plurality of vent holes 34. A ball sleeve 36 is also provided outside the inner ball 35, and the ball sleeve 36 is made of rubber. The steam pipe 28 and the outer wall of the rotating rod 32 are slidably connected with the moving pipe 31, and the ball sleeve 36 is fixedly connected to the outer walls of the two moving pipes 31. A plurality of elastic ropes 30 are fixedly connected between the ball sleeve 36 and the inner ball 35, and the elastic ropes 30 are also made of rubber. The bottom of the ball sleeve 36 is fixedly connected with a drain pipe 33, and an electronic valve is installed inside the drain pipe 33. The outer wall of the drain pipe 33 is penetrated inside the first matching pipe 2 and the first installation inner pipe 13, and the outer wall of the drain pipe 33 is slidably connected to the first matching pipe 2 and the first installation inner pipe 13. Specifically, when the first matching pipe 2 and the first installation inner pipe 1 When the water vapor between the two ends of the ball sleeve 3 enters the ball sleeve 36 through the steam pipe 28, when the ball sleeve 36 expands, it will drive the two moving pipes 31 to slide on the corresponding steam pipe 28 and the outer wall of the rotating rod 32. Since the main component of the water vapor is water, it will condense into water droplets after being cooled, and finally gather inside the ball sleeve 36. Too much water will affect the subsequent use of the ball sleeve 36. When the ball sleeve 36 expands, the ball sleeve 36 will drive the drain pipe 33 to slide inside the ball shell 29, which will not affect the expansion of the ball sleeve 36. When the water inside the ball sleeve 36 needs to be discharged, the electronic valve can be controlled to open through the display panel 12, and the steam inside the ball sleeve 36 will be discharged through the drain pipe 33, and the water will also be discharged together; The outer wall of the first matching tube 2 is also fixedly connected to three mounting circular boxes 4. When the mounting circular box 4 is connected to the first matching tube 2, one end of the mounting circular box 4 located inside the first matching tube 2 is fixedly connected to the inner wall of the first mounting inner tube 13, that is, the water between the first matching tube 2 and the first mounting inner tube 13 will not flow out due to the mounting circular box 4. The three mounting circular boxes 4 are distributed in an array from left to right on the outer wall of the first matching tube 2. The end of the rotating rod 32 away from the rotating wheel 39 is fixedly connected to a rotating circular plate 26. A plurality of matching grooves 24 are opened in the inner wall of the mounting circular box 4. The plurality of matching grooves 24 are distributed in a circle with the corresponding rotating rod 32 as the center. The end of the rotating circular plate 26 close to the rotating rod 32 is fixedly connected to a liquid leakage port 23 with a reset function. The liquid leakage port 23 and the rotating circular plate 26 are fixedly connected by a first elastic telescopic rod 27. See also Figure 3 , Figure 5 , Figure 6The pumping mechanism 201 includes a rectangular box 7, which is fixedly connected to the upper end of the second matching pipe 3. A water pump is fixedly installed inside the rectangular box 7. The water outlet of the water pump is fixedly connected to the outer wall of the first connecting pipe 6 through the second connecting pipe 16, and the outer wall of the second connecting pipe 16 is penetrated into the rectangular box 7. The outer wall of the first matching pipe 2 is fixedly connected to a connecting box 25, and the water inlet of the water pump is fixedly connected to the outer wall of the connecting box 25 through a pipeline. One end of the connecting box 25 close to the first matching pipe 2 is fixedly connected to a second installation inner pipe 20, and the second installation inner pipe 20 is located between the first matching pipe 2 and the first installation inner pipe 13. The outer wall of the second installation inner pipe 20 abuts against the inner wall of the first matching pipe 2. A one-way valve 19 is also fixedly connected to the inside of the first connecting pipe 6, and the one-way valve 19 is located on the right side of the connection between the second connecting pipe 16 and the first connecting pipe 6; Specifically, when the water pump pumps water through the connecting box 25 and the second mounting inner tube 20, and then transports water to the inside of the first connecting tube 6 through the second connecting tube 16, at this time, due to the one-way valve 19, the water will be blocked by the one-way valve 19, and then enter the inside of the other ball sleeve 36 through the connecting inner tube 14, and then be discharged from the spray gun 1.

[0030] The working principle of the present invention is: When the present invention is used, the heating ring 18 is started, and the heating ring 18 heats the water between the first matching tube 2 and the first installation inner tube 13. When the steam generated by the evaporation of the water enters the steam tube 28, the gas in the steam tube 28 enters the inner ball 35 and then enters the ball sleeve 36 through the air hole 34. At this time, the ball sleeve 36 expands, and all the elastic ropes 30 are stretched and charged. It is worth noting that when the ball sleeve 36 expands to the limit, the gap between the ball sleeve 36 and the ball shell 29 will be very small. When the air pressure between the first matching tube 2 and the first installation inner tube 13 increases, the pressure relief valve inside the pressure relief tube 17 will release the pressure to adjust the air pressure inside the first matching tube 2 and the first installation inner tube 13. Then start the high-pressure air pump 10, the high-pressure air pump 10 will pump air through the spray gun 1, and the gas will be discharged through the first connecting pipe 6. The first connecting pipe 6 sends the gas to the inside of the connecting inner tube 14, and then enters the inside of the ball shell 29 from the inside of the connecting inner tube 14. Since the gap between the expanded ball sleeve 36 and the ball shell 29 is very small, when the gas passes through the gap between the ball shell 29 and the ball sleeve 36, it will be evenly heated, and since the ball sleeve 36 is round, the ball sleeve 36 will not block the air flow. Since three ball shells 29 are provided, the gas will be evenly heated and then discharged from the nozzle of the spray gun 1. When the gas is discharged, the paint inside the paint spray bottle 5 will be evenly discharged together. The hot air will increase the temperature of the paint and enhance the adhesion of the paint. When the steam inside the first matching tube 2 and the first installation inner tube 13 is discharged into the ball sleeve 36 through the steam pipe 28, the ball sleeve 36 will expand. In order to adjust the expansion rate of the ball sleeve 36, the rotating circular plate 26 can be rotated. The rotating circular plate 26 drives the rotating wheel 39 to rotate through the rotating rod 32. The rotating wheel 39 can drive different vents 38 to communicate with the bottom of the steam pipe 28. Since the multiple steam pipes 28 are of different sizes, the air intake rate of the steam pipe 28 can be adjusted to control the expansion rate of the ball sleeve 36. The first elastic telescopic rod 27 can drive the leakage port 23 to clamp in the inner wall of the matching groove 24, and the rotating circular plate 26 can be limited. After the painting is completed, the high-pressure air pump 10 is turned off and the water pump is started. The water pump will pump water through the connecting box 25 and the second installation inner tube 20, and then transport water to the inside of the first connecting tube 6 through the second connecting tube 16. At this time, due to the one-way valve 19, the water will be blocked by the one-way valve 19, and then enter the inside of other ball sleeves 36 through the connecting inner tube 14, and then be discharged from the spray gun 1. When the paint inside the spray gun 1 is cleaned, the water pump is turned off and the high-pressure air pump 10 is started again. According to the above working principle, the inside of the ball sleeve 36 is full of gas at this time, and all the space between the ball sleeve 36 and the ball shell 29 can be air-dried; After cleaning is completed, water is injected into the space between the first matching tube 2 and the first installation inner tube 13 through the water injection port, and then the next step of spraying paint can be carried out.

[0031] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spraying device for processing a magnesium alloy basket of an electric vehicle, comprising a spray gun (1), characterized in that: The upper end of the spray gun (1) is threadedly connected to a paint spray bottle (5); the outer wall of the spray gun (1) is also fixedly connected to a first matching tube (2); the first matching tube (2) is also fixedly connected to a first installation inner tube (13); the first installation inner tube (13) and the first matching tube (2) are filled with water; a heating mechanism (101) is also fixedly installed inside the first installation inner tube (13); the end of the first matching tube (2) away from the spray gun (1) is also fixedly connected to a second matching tube (3); the second matching tube (3) is fixedly connected to a heating ring (18); the heating ring (18) can heat the water inside the first installation inner tube (13) and the first matching tube (2); the water is heated to evaporate steam to provide steam to the inside of the heating mechanism (101); The inner wall of the second matching tube (3) is also fixedly connected to a connecting inner tube (14); a high-pressure air pump (10) is also provided on the right side of the spray gun (1), and the air outlets of the high-pressure air pump (10) are respectively fixedly connected to the first connecting tube (6); one end of the first connecting tube (6) away from the high-pressure air pump (10) is fixedly connected to the connecting inner tube (14); a pumping mechanism (201) is fixedly connected between the second matching tube (3) and the first connecting tube (6) for extracting water between the first matching tube (2) and the first installation inner tube (13), so as to flush the internal structure of the spray gun (1).

2. The spraying device for processing magnesium alloy basket of electric vehicle according to claim 1, characterized in that: A U-shaped tube (15) is arranged inside the second matching tube (3), the U-shaped tube (15) is fixedly connected to the outer wall of the heating ring (18), the U-shaped tube (15) is communicated with the first installation inner tube (13), the outer wall of the U-shaped tube (15) is also fixedly connected to a pressure relief tube (17), and the outer wall of the pressure relief tube (17) is passed through the interior of the second matching tube (3), and a pressure relief valve is installed inside the pressure relief tube (17).

3. The spraying device for processing magnesium alloy basket of electric vehicle according to claim 1, characterized in that: The heating mechanism (101) comprises three spherical shells (29), the three spherical shells (29) are fixedly connected via pipes, the leftmost spherical shell (29) is fixedly connected to the spray gun (1), and the rightmost spherical shell (29) is fixedly connected to the connecting inner tube (14), the spherical shell (29) is fixedly connected to the inside of the first installation inner tube (13), and the inside of the spherical shell (29) is also fixedly connected to a steam pipe (28), and the outer wall of the steam pipe (28) is arranged to pass through the inside of the first installation inner tube (13).

4. The spraying device for processing magnesium alloy basket of electric vehicle according to claim 3, characterized in that: The bottom of the steam pipe (28) is also fixedly connected to a mounting frame (37), and a rotating wheel (39) is rotatably connected inside the mounting frame (37). Four vents (38) are provided on the outer wall of the rotating wheel (39). The upper end of the rotating wheel (39) abuts against the bottom of the steam pipe (28), and one of the vents (38) is communicated with the steam pipe (28). An inner ball (35) is also provided outside the mounting frame (37). A rotating rod (32) is fixedly connected to the outer wall of the rotating wheel (39). The outer wall of the rotating rod (32) is inserted into the interior of the ball shell (29), the first mounting inner tube (13) and the first matching tube (2). The outer wall of the steam pipe (28) is fixedly connected to the inner ball (35), and the outer wall of the rotating rod (32) is rotatably connected to the interior of the inner ball (35). The outer wall of the inner ball (35) is also provided with a plurality of vents (34).

5. The spraying device for processing magnesium alloy basket of electric vehicle according to claim 4, characterized in that: A ball sleeve (36) is also provided outside the inner ball (35); the steam pipe (28) and the outer wall of the rotating rod (32) are both slidably connected with a moving tube (31); the inside of the ball sleeve (36) is fixedly connected to the outer walls of the two moving tubes (31); a plurality of elastic ropes (30) are fixedly connected between the ball sleeve (36) and the inner ball (35); three mounting round boxes (4) are also fixedly connected to the outer wall of the first matching tube (2); the mounting round boxes (4) are fixedly connected to the outer wall of the first matching tube (2); each of the rotating rods (32) is rotatably connected to the inside of the corresponding mounting round box (4); one end of the rotating rod (32) away from the rotating wheel (39) is fixedly connected to a rotating circular plate (26); a plurality of matching grooves (24) are provided in the inner wall of the mounting circular box (4); one end of the rotating circular plate (26) close to the rotating rod (32) is fixedly connected to a liquid leakage port (23) having a reset function.

6. The spraying device for processing magnesium alloy basket of electric vehicle according to claim 1, characterized in that: The water pumping mechanism (201) comprises a rectangular box (7), the rectangular box (7) being fixedly connected to the upper end of the second matching pipe (3), a water pump being fixedly installed inside the rectangular box (7), a water outlet of the water pump being fixedly connected to the outer wall of the first connecting pipe (6) via the second connecting pipe (16), and the outer wall of the second connecting pipe (16) being passed through the interior of the rectangular box (7).

7. The spraying device for processing magnesium alloy basket of electric vehicle according to claim 6, characterized in that: A connection box (25) is fixedly connected to the outer wall of the first matching pipe (2), and the water inlet of the water pump is fixedly connected to the outer wall of the connection box (25) via a pipeline.

8. The spraying device for processing magnesium alloy basket of electric vehicle according to claim 7, characterized in that: One end of the connection box (25) close to the first matching tube (2) is fixedly connected to a second installation inner tube (20), and the second installation inner tube (20) is located between the first matching tube (2) and the first installation inner tube (13), the outer wall of the second installation inner tube (20) abuts against the inner wall of the first matching tube (2), and the first connection tube (6) is also fixedly connected to a one-way valve (19) inside.

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