Paint spraying device capable of adjusting viscosity of paint in real time

Abstract

The invention discloses a paint spraying device capable of adjusting the viscosity of paint in real time. The paint spraying device aims at solving the problem of uneven coating quality caused by unstable viscosity in traditional spraying. The device comprises a moving trolley, a paint bucket, a spraying assembly, a stirring assembly, an ultrasonic liquid level meter, a liquid injection assembly and a viscometer. The stirring assembly is composed of a propeller, a sliding ring, a heater and a transmission motor, and transmission of the propeller and power supply of the heater are achieved through the sliding ring. The viscosity meter and the ultrasonic liquid level meter monitor the viscosity and the liquid level of paint in real time correspondingly, the liquid injection assembly adds a diluent into the paint bucket through the water pump, and accurate adjustment of the viscosity is achieved. The device ensures that the viscosity of paint is stable in the spraying process through real-time monitoring and automatic adjusting functions, the spraying efficiency and the coating quality are improved, and the device is suitable for various complex construction environments.

Description

Technical Field

[0001] This application relates to the technical field of decoration equipment, and particularly relates to a paint spraying device for real-time adjustment of paint viscosity. Background Art

[0002] Paint spraying is a common surface treatment process, which is widely used in fields such as automobile manufacturing, furniture production, machining, and building decoration. The principle of paint spraying is to use a spray gun or other spraying equipment to atomize paint into fine particles through compressed air or other power sources, and then evenly spray it on the surface of the object to be painted. After the atomized paint particles reach the object surface, they will quickly level and solidify to form a uniform coating.

[0003] During the paint spraying process, the viscosity of the paint has a crucial impact on the spraying effect. If the viscosity is too high, it will be difficult to atomize the paint, resulting in uneven spraying and defects such as sagging and orange peel; if the viscosity is too low, it may lead to a too thin paint film, affecting the protection performance and decorative effect of the coating. Therefore, during the spraying process, it is necessary to adjust the viscosity of the paint according to the spraying time of the spraying device. However, the existing spraying equipment can only determine the viscosity value of the paint in the paint bucket by opening the paint bucket after the spraying device has worked for a period of time, thereby adjusting the viscosity of the paint, which seriously affects the working efficiency of the spraying device. Summary of the Invention

[0004] In order to solve the problem of slow adjustment efficiency of the viscosity of the paint in the existing spraying device, this application provides a paint spraying device for real-time adjustment of paint viscosity. The specific technical solution of this application is as follows:

[0005] A paint spraying device for real-time adjustment of paint viscosity, comprising: a mobile trolley and a paint bucket and a spraying assembly arranged on the mobile trolley, the paint bucket is used to provide paint for the spraying assembly, the spraying assembly is used to spray the wall surface, the paint spraying device further comprises a stirring assembly, an ultrasonic level gauge, a liquid injection assembly and a viscometer, the stirring assembly comprises a propeller, a slip ring, a heater and a transmission motor, the propeller is movably arranged in the paint bucket, the heater is arranged in the hub of the propeller, the transmission motor is arranged above the propeller through the slip ring and is in transmission connection with the propeller through the slip ring, the heater is connected to an external power supply through the slip ring, the viscometer is arranged in the lower end of the paint bucket, the ultrasonic level gauge is vertically downwardly arranged on the paint bucket, the liquid injection assembly comprises a feed bucket for placing diluent and a water pump, and the feed bucket is connected to the paint bucket through the water pump.

[0006] Furthermore, the blades and the hub of the propeller are made of metal material, a receiving cavity for placing the heater is arranged in the hub, and a plunger is arranged at the bottom of the hub.

[0007] Further, the plunger is arranged in the accommodating cavity by means of screw rotation, and a cross groove is provided at the bottom of the plunger.

[0008] Further, the paint bucket includes a bucket lid, and the bucket lid includes a fixed part and a movable part. The fixed part is fixedly arranged with the paint bucket, the movable part is movably connected to the fixed part, and the drive motor and the ultrasonic level gauge are arranged on the fixed part.

[0009] Further, a fixing frame is arranged in the paint bucket. The fixing frame is arranged below the fixed part and is used to support the fixed part.

[0010] Further, a support frame is arranged on the mobile trolley. The paint bucket is suspended on the support frame. A first discharge port is provided at the bottom of the paint bucket, and the paint bucket is connected to the spraying assembly through the first discharge port.

[0011] Further, the spraying assembly is a static spraying assembly. The static spraying assembly includes a lifting member and a plurality of spraying heads. The spraying heads are arranged in front of the lifting member, and the lifting member is used to control the lifting of the spraying heads.

[0012] Further, a placement tube is provided on the side of the paint bucket. The placement tube is an inverted F-shaped structure. An opening is provided at the top of the placement tube. The viscometer is arranged at the top opening of the placement tube, and the rotor of the viscometer is arranged in the placement tube through the opening.

[0013] Further, the paint spraying device includes a flange, and the viscometer is connected to the placement tube through the flange.

[0014] Further, a placement seat is arranged on the mobile trolley. A placement groove is provided on the side of the placement seat. The feeding bucket is arranged in the placement seat. A second discharge port is provided on the side of the feeding bucket. The second discharge port is arranged in the placement groove, and the feeding bucket is connected to the water pump through the second discharge port.

[0015] Compared with the existing technology, the beneficial effects of the present application are as follows:

[0016] 1. Real-time monitoring of paint viscosity and liquid level: By arranging a viscometer and an ultrasonic level gauge in the paint bucket, the viscosity and liquid level changes of the paint can be monitored in real time. This real-time monitoring function enables the operator to understand the state of the paint at any time and provides accurate data support for subsequent adjustment.

[0017] 2. Automatic Stirring and Heating Function: The stirring assembly includes a propeller, a slip ring, a heater, and a drive motor. The propeller is driven by the drive motor, which can ensure that the paint remains uniformly mixed during the spraying process and prevent pigment precipitation. At the same time, the heater is installed in the hub of the propeller and can be connected to an external power source through the slip ring to heat the paint, thereby reducing the viscosity of the paint. This heating method not only has high efficiency but also can quickly respond to the viscosity change requirements.

[0018] 3. Automatic Liquid Injection Function: The liquid injection assembly includes a feed bucket for placing thinner and a water pump. The thinner is transported from the feed bucket to the paint bucket by the water pump, and the addition amount of the thinner can be automatically adjusted according to the real-time data of the viscometer, thereby achieving precise control of the paint viscosity. This automatic liquid injection function not only improves the adjustment efficiency but also reduces the error of manual operation.

[0019] 4. Mobile Cart Design: The entire spraying device is installed on a mobile cart, which is convenient for spraying operations at different positions. This design makes the spraying device have good flexibility and operability and can adapt to various complex construction environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of a paint spraying device in an embodiment of the present application;

[0021] Figure 2 It is a schematic cross-sectional diagram of a paint spraying device in an embodiment of the present application;

[0022] Figure 3 It is a schematic top view of the interior of a paint spraying device in an embodiment of the present application;

[0023] Figure 4 It is a schematic structural diagram of the interior of a paint bucket in an embodiment of the present application;

[0024] Figure 5 It is an exploded view of a paint bucket in an embodiment of the present application;

[0025] Figure 6 It is a schematic structural diagram of a stirring assembly in an embodiment of the present application;

[0026] Figure 7 It is an exploded view of a stirring assembly in an embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The embodiments of the present application will be described in detail below. The described embodiments are illustrated in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout.

[0028] In the description of the present application, it should be noted that for orientation terms, such as the terms "center", "horizontal", "vertical", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the indicated orientation and positional relationship are based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present application.

[0029] In addition, such terms as "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, the meaning of "at least" is one or more, unless otherwise specifically defined.

[0030] In the present application, unless otherwise clearly specified and defined, terms such as "assembled", "connected", and "joined" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may also be a mechanical connection; it may be directly connected, or connected through an intermediate medium, and may be connected internally between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0031] In the application, unless otherwise specified and defined, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact through other features therebetween. Moreover, the first feature being "above", "below", and "on top of" the second feature includes the first feature being directly above and diagonally above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "above", "below", and "beneath" the second feature includes the first feature being directly below or diagonally below the second feature, or merely indicating that the horizontal height of the first feature is lower than that of the second feature.

[0032] Next, in combination with the drawings of the specification, by further describing the specific embodiments of the present application, the technical solutions of the present application and their beneficial effects will be made clearer and more definite. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application and should not be construed as limiting the present application.

[0033] As Figures 1 to 7As shown in the figure, the present invention relates to a paint spraying device for real-time adjustment of paint viscosity, and its design aims to solve problems such as difficult real-time control of paint viscosity, unstable spraying effect, and complex operation in the traditional spraying process. The specific technical solution is as follows:

[0034] The paint spraying device includes a mobile trolley 1, a paint bucket 2 and a spraying assembly 3 provided on the mobile trolley 1. The paint bucket 2 is used to supply paint to the spraying assembly 3, and the spraying assembly 3 is used to spray the wall surface. The mobile trolley 1 can be a mobile trolley 1 pushed by manpower, a remote control trolley controlled by remote control, or a self-mobile trolley 1 with an automatic navigation function. This design of the mobile trolley 1 enables the spraying device to move flexibly and adapt to the spraying requirements at different positions.

[0035] The paint spraying device further includes a stirring assembly 4, an ultrasonic level gauge 5, a liquid injection assembly 6 and a viscometer 7. The stirring assembly 4 includes a propeller 8, a slip ring 9, a heater 10 and a drive motor 11. The propeller 8 is movably arranged in the paint bucket 2 and is used to stir the paint to ensure uniform mixing of the paint. The heater 10 is arranged in the hub of the propeller 8 and is connected to an external power supply through the slip ring 9, and can heat the paint to adjust the viscosity of the paint. The heaters 10 in the existing paint buckets 2 are all arranged at the bottom or side of the paint bucket 2, which not only has poor heat transfer efficiency, but also affects the stirring of the propeller 8. If the heater 10 is arranged outside the paint bucket 2, the paint bucket 2 needs to be heated first, which not only requires the paint bucket 2 to have better heat transfer efficiency, but also requires higher energy consumption to drive the heater 10, and there is also a possibility of scalding the user.

[0036] The drive motor 11 is arranged above the propeller 8 through the slip ring 9 and is drivingly connected to the propeller 8 through the slip ring 9 to provide power for the rotation of the propeller 8. The viscometer 7 is arranged in the lower end of the paint bucket 2 and is used to monitor the viscosity of the paint in real time. Even when the amount of paint in the paint bucket 2 is small, it can also detect the viscosity of the paint in the paint bucket 2. The slip ring 9 is a precision electromechanical device used to achieve electrical connection between rotating parts and stationary parts. It can transmit electrical signals, power or data during rotational motion, ensuring stable transmission of signals and power without interruption due to mechanical motion. The basic structure and working principle of the slip ring 9: The slip ring 9 usually consists of the following main parts: 1. Conductive ring (Rotor) The conductive ring is one of the core components of the slip ring 9 and is usually made of a metal material with good electrical conductivity (such as copper alloy). It is connected to the rotating part and is used to transmit electrical signals or power. 2. Brush The brush is the part that contacts the conductive ring and is usually made of carbon brush or other conductive materials. The brush is connected to the stationary part and realizes the transmission of signals or power through sliding contact with the conductive ring. 3. Insulating material It is used to isolate the electrical connection between different conductive rings to prevent short circuits. Commonly used insulating materials include ceramics, plastics, etc. 4. Housing and support structure It is used to fix the various components of the slip ring 9 and provide mechanical support and protection. The working principle of the slip ring 9 is based on the sliding contact between the brush and the conductive ring. When the rotating part (such as the motor shaft) drives the conductive ring to rotate, the brush remains in contact with the conductive ring, thereby realizing the transmission of signals or power. This contact method allows the slip ring 9 to maintain a stable electrical connection during high-speed rotation and long-term operation.

[0037] The ultrasonic level gauge 5 is vertically arranged downward in the bucket cover 12 and is used to monitor the liquid level height in the paint bucket 2 in real time. According to the height of the paint in the paint bucket 2, stirring, heating and stirring or injecting diluent for stirring can be used to adjust the viscosity of the paint in the paint bucket 2, or heating and stirring can be carried out while injecting the diluent. The ultrasonic level gauge 5 is an instrument that uses the ultrasonic principle to measure the liquid level and is widely used in industrial production, sewage treatment, petrochemical industry, food processing and other fields. Working principle: The ultrasonic level gauge 5 mainly uses the propagation characteristics of ultrasonic waves in the air to measure the liquid level height. Its basic principle is that the ultrasonic sensor emits an ultrasonic pulse to the surface of the measured liquid. When the ultrasonic wave encounters the liquid surface, it will be reflected, and the reflected wave is received by the sensor again. By measuring the time difference between the transmitted wave and the received wave (i.e., the "flight time") and combining the propagation speed of ultrasonic waves in the air, the distance from the sensor to the liquid surface can be calculated, thereby obtaining the liquid level height.

[0038] The liquid injection assembly 6 includes a feed bucket 13 for placing diluent and a water pump 14. The feed bucket 13 is connected to the paint bucket 2 through the water pump 14 and can inject diluent into the paint bucket 2 as needed to further adjust the viscosity of the paint.

[0039] For example, when the paint in the paint bucket 2 exceeds half of the paint bucket 2, if the ambient temperature is high, only the propeller 8 is used for stirring to adjust the viscosity of the paint; if the ambient temperature is low, heating can be carried out while the propeller 8 is stirring. The ambient temperature can be determined by detecting the ambient or paint temperature through a temperature sensor, or can be set by the user according to the ambient temperature. When only half of the paint remains in the paint bucket 2, diluent can be injected into the paint bucket 2 while stirring the paint.

[0040] As one of the embodiments, the blades and hub of the propeller 8 are made of metal material, which can conduct the heat of the heater 10 and improve the heating effect of the heater 10. A receiving cavity 16 for placing the heater 10 is provided in the hub, and a plunger 15 is provided at the bottom of the hub. This design enables the heater 10 to be stably installed in the hub, and at the same time, the fixing and sealing of the heater 10 are achieved through the plunger 15.

[0041] As one of the embodiments, the plunger 15 is arranged in the receiving cavity 16 by means of threaded rotation, and a cross slot 17 is provided at the bottom of the plunger 15. This threaded connection method is not only firm and reliable, but also convenient for disassembling and replacing the heater 10, and the design of the cross slot 17 facilitates the installation and disassembly operations using tools.

[0042] As one of the embodiments, the paint bucket 2 includes a bucket lid 12, and the bucket lid 12 includes a fixed part 18 and a movable part 19. The fixed part 18 is fixedly arranged with the paint bucket 2, the movable part 19 is movably connected with the fixed part 18, and the drive motor 11 and the ultrasonic level gauge 5 are arranged on the fixed part 18. This split-type design of the bucket lid 12 is convenient for the user to add paint to the paint bucket 2, and at the same time ensures the stable operation of the drive motor 11 and the ultrasonic level gauge 5.

[0043] As one of the embodiments, a fixing frame 20 is provided in the paint bucket 2, and the fixing frame 20 is arranged below the fixed part 18 for supporting the fixed part 18, and the propeller 8 is movably connected with the fixing frame 20. This design of the fixing frame 20 can effectively support the bucket lid 12, ensure the stability of the bucket lid 12, the propeller 8 and the drive motor 11, and prevent loosening or displacement during the stirring process.

[0044] As one of the embodiments, a support frame 21 is provided on the mobile trolley 1, and the paint bucket 2 is suspended on the support frame 21. A first discharge port 22 is provided at the bottom of the paint bucket 2, and the paint bucket 2 is connected to the spraying assembly 3 through the first discharge port 22. This suspended paint bucket 2 can ensure the smooth flow of the paint to the spraying assembly 3, and at the same time facilitates the movement and operation of the mobile trolley 1.

[0045] As one of the embodiments, the spraying assembly 3 is an electrostatic spraying assembly 3, and the electrostatic spraying assembly 3 includes a lifting member 23 and a plurality of spraying heads 24. The spraying heads 24 are arranged in front of the lifting member 23, and the lifting member 23 is used to control the lifting of the spraying heads 24. This design of the electrostatic spraying assembly 3 can achieve precise control of the spraying heads 24, flexibly adjust according to the height of the wall and spraying requirements, and improve the uniformity and efficiency of spraying. Electrostatic spraying is an advanced spraying technology that uses the principle of static electricity to achieve efficient and uniform coating, and is widely used in fields such as automobile manufacturing, household appliance production, and metal product processing. The following is a detailed introduction to electrostatic spraying, including its principle, equipment, process flow, and technical effects. The core principle of electrostatic spraying is to make the paint particles charged by using a high-voltage electrostatic field, and uniformly adsorb the paint on the surface of the workpiece through electrostatic adsorption to form a high-quality coating.

[0046] As one of the embodiments, a placement pipe 25 is provided on the side of the paint bucket 2. The placement pipe 25 is an inverted F-shaped structure, and an opening is provided at the top of the placement pipe 25. The viscometer 7 is arranged at the top opening of the placement pipe 25, and the rotor 26 of the viscometer 7 is arranged in the placement pipe 25 through the opening. This design enables the viscometer 7 to be conveniently installed and disassembled, and at the same time ensures that the rotor 26 of the viscometer 7 can be accurately inserted into the paint to monitor the viscosity of the paint in real time. Moreover, the paint in the placement pipe 25 is less affected by the propeller 8, and the viscometer 7 is also less affected during detection, improving the accuracy of the detection of the viscometer 7.

[0047] As one of the embodiments, the paint spraying device includes a flange 27, and the viscometer 7 is connected to the placement pipe 25 through the flange 27. This flange 27 connection method is not only firm and reliable, but also facilitates the installation and replacement of the viscometer 7, ensuring the sealing between the viscometer 7 and the placement pipe 25.

[0048] As one of the embodiments, a placement seat 28 is provided on the mobile trolley 1, a placement groove 29 is provided on the side of the placement seat 28, the material discharge bucket 13 is arranged in the placement seat 28, and a second discharge port 30 is provided on the side of the material discharge bucket 13. The second discharge port 30 is arranged in the placement groove 29, and the material discharge bucket 13 is connected to the water pump 14 through the second discharge port 30. This design enables the material discharge bucket 13 to be stably placed on the mobile trolley 1, and at the same time facilitates the transportation and control of the diluent.

[0049] Compared with the existing technology, the beneficial effects of this application are as follows:

[0050] 1. Real-time monitoring of paint viscosity and liquid level: By installing a viscometer 7 and an ultrasonic liquid level gauge 5 in the paint bucket 2, the changes in the viscosity and liquid level of the paint can be monitored in real time. This real-time monitoring function enables operators to understand the state of the paint at any time and provides accurate data support for subsequent adjustments.

[0051] 2. Automatic stirring and heating functions: The stirring assembly 4 includes a propeller 8, a slip ring 9, a heater 10, and a drive motor 11. The propeller 8 is driven by the drive motor 11 to ensure that the paint is always evenly mixed during spraying, preventing pigment precipitation. At the same time, the heater 10 is arranged in the hub of the propeller 8 and can be connected to an external power supply through the slip ring 9 to heat the paint, thereby reducing the viscosity of the paint. This heating method not only has high efficiency but also can quickly respond to the viscosity change requirements.

[0052] 3. Automatic liquid injection function: The liquid injection assembly 6 includes a feed bucket 13 for placing thinner and a water pump 14. By using the water pump 14 to transport the thinner from the feed bucket 13 to the paint bucket 2, the addition amount of the thinner can be automatically adjusted according to the real-time data of the viscometer 7, thereby achieving precise control of the paint viscosity. This automatic liquid injection function not only improves the adjustment efficiency but also reduces the error of manual operation.

[0053] 4. Mobile trolley design: The entire spraying device is installed on the mobile trolley 1, facilitating spraying operations at different positions. This design makes the spraying device have good flexibility and operability and can adapt to various complex construction environments.

[0054] In summary, through innovative structural design and function integration, the present invention solves problems such as difficult real-time regulation of paint viscosity, unstable spraying effect, and complex operation in the traditional spraying process. The device can adjust the paint viscosity in real time, improve the spraying efficiency and uniformity, simplify the operation process, enhance the stability and reliability of the equipment, and has significant technological progress and practical value.

[0055] In the description of the specification, the description referring to terms such as "in one embodiment", "preferably", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. The schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. The described connection methods in the specification have obvious effects and practical effectiveness.

[0056] Based on the description of the above structure and principle, those skilled in the art should understand that this application is not limited to the above specific implementation manners. Improvements and substitutions using well-known techniques in the art based on this application fall within the protection scope of this application, which should be defined by each claim.

Claims

1. A paint spraying device for real-time adjusting the viscosity of paint, comprising: A moving trolley, a paint bucket and a spraying assembly arranged on the moving trolley. The paint bucket is used to supply paint to the spraying assembly, and the spraying assembly is used to spray the wall surface. It is characterized in that the paint spraying device further includes a stirring assembly, an ultrasonic level gauge, a liquid injection assembly and a viscometer. The stirring assembly includes a propeller, a slip ring, a heater and a drive motor. The propeller is movably arranged in the paint bucket. The heater is arranged in the hub of the propeller. The drive motor is arranged above the propeller through the slip ring and is drivingly connected to the propeller through the slip ring. The heater is connected to an external power supply through the slip ring. The viscometer is arranged in the lower end of the paint bucket. The ultrasonic level gauge is vertically arranged downward on the paint bucket. The liquid injection assembly includes a feed bucket for placing diluent and a water pump. The feed bucket is connected to the paint bucket through the water pump.

2. The paint spraying device for real-time adjusting the viscosity of paint according to claim 1, wherein, The blades and hub of the propeller are made of metal. A receiving cavity for placing the heater is arranged in the hub, and a plunger is arranged at the bottom of the hub.

3. The paint spraying device for real-time adjusting the viscosity of paint according to claim 2, wherein, The plunger is arranged in the receiving cavity by means of threaded rotation, and a cross groove is arranged at the bottom of the plunger.

4. The paint spraying device for real-time adjusting the viscosity of paint according to claim 1, wherein, The paint bucket includes a bucket cover. The bucket cover includes a fixed part and a movable part. The fixed part is fixedly arranged with the paint bucket, and the movable part is movably connected to the fixed part. The drive motor and the ultrasonic level gauge are arranged on the fixed part.

5. The paint spraying device for real-time adjusting the viscosity of paint according to claim 4, wherein, A fixing frame is arranged in the paint bucket. The fixing frame is arranged below the fixed part and is used to support the fixed part.

6. The paint spraying device for real-time adjusting the viscosity of paint according to claim 5, characterized in that, A support frame is arranged on the moving trolley. The paint bucket is suspended on the support frame. A first discharge port is arranged at the bottom of the paint bucket. The paint bucket is connected to the spraying assembly through the first discharge port.

7. The paint spraying device for real-time adjusting the viscosity of paint according to claim 6, characterized in that, The spraying assembly is a static spraying assembly. The static spraying assembly includes a lifting member and a plurality of spraying heads. The spraying heads are arranged in front of the lifting member, and the lifting member is used to control the lifting of the spraying heads.

8. The paint spraying device for real-time adjusting the viscosity of paint according to claim 1, wherein, A placement pipe is arranged on the side of the paint bucket. The placement pipe is an inverted F-shaped structure. An opening is arranged at the top of the placement pipe. The viscometer is arranged at the top opening of the placement pipe. The rotor of the viscometer is arranged in the placement pipe through the opening.

9. The paint spraying device for real-time adjusting the viscosity of paint according to claim 8, wherein, The paint spraying device includes a flange. The viscometer is connected to the placement pipe through the flange.

10. The paint spraying device for real-time adjusting the viscosity of paint according to claim 1, wherein A placement seat is arranged on the moving trolley. A placement groove is arranged on the side of the placement seat. The feed bucket is arranged in the placement seat. A second discharge port is arranged on the side of the feed bucket. The second discharge port is arranged in the placement groove. The feed bucket is connected to the water pump through the second discharge port.

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