A paint spraying device for construction work

By designing an automated painting device for construction projects, and using a mixing assembly with reverse spiral blades and flexible stirring plates, the problems of manual stirring being physically demanding and having poor cleanliness have been solved, achieving efficient and convenient painting results.

CN224532161UActive Publication Date: 2026-07-21SHANDONG HOUYUAN CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG HOUYUAN CONSTRUCTION ENGINEERING CO LTD
Filing Date
2025-06-23
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing paint spraying equipment used in construction projects requires manual stirring of the paint, which consumes manual labor, affects the spraying effect, and results in poor cleanliness.

Method used

A painting device was designed, comprising a base, a ball screw, a stirring motor, a stirring assembly, and a painting assembly, to achieve automated mixing and spraying of paint. It employs reverse spiral blades and a flexible stirring plate to prevent sedimentation, and combines a liftable placement plate and a locking structure to adapt to different construction needs.

Benefits of technology

It achieves fully automatic and uniform mixing of paint, reduces manual labor intensity, improves spraying quality and construction efficiency, reduces equipment pollution, and is easy to operate to adapt to different construction scenarios.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224532161U_ABST
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Abstract

The application relates to the technical field of building construction, in particular to a paint spraying device for building engineering, which comprises a base, a material bucket arranged above the base, a fixing column arranged on one side of the base, a ball screw vertically arranged on the inner side of the fixing column, a screw nut and a screw motor arranged in cooperation with the ball screw, a mounting frame arranged on the screw nut, a bucket cover arranged at the top end of the mounting frame, a stirring shaft arranged on the bucket cover through a bearing, a stirring motor arranged in cooperation with the stirring shaft, a stirring assembly arranged on the stirring shaft, a lifting column arranged on the fixing column in a lifting mode, a placing plate rotatably arranged on the lifting column, a placing groove arranged on the placing plate, a pump body arranged on the base, an input end of the pump body connected with the material bucket, and a paint spraying assembly arranged at the output end of the pump body. The paint spraying device can reduce the manual stirring process of building paint in use and can realize self-mixing.
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Description

Technical Field

[0001] This utility model relates to the field of architectural painting technology, and more specifically, to a painting device for architectural engineering. Background Technology

[0002] During the construction process, it is necessary to spray paint the surfaces of building walls, steel frames and other components. Before spraying, the paint needs to be stirred manually with a hand mixer to avoid paint sedimentation caused by long-term static storage.

[0003] However, due to the small size of the paint bucket, it is necessary to replace it with a new bucket of paint and repeatedly stir the paint in the bucket manually. This requires a lot of manual labor, which affects the condition of the construction workers and leads to excessive physical exertion, thus affecting the spraying effect.

[0004] In addition, handheld mixing equipment requires finding a place to put it after mixing, and paint tends to stick to the equipment, making it susceptible to dust and debris from construction sites, which can affect the mixing effect in the next round. It is inconvenient to use and has poor cleanliness. Summary of the Invention

[0005] In view of the problems existing in the prior art, this utility model provides a painting device for construction engineering, which solves the technical problems mentioned in the background art, that the painting device for construction engineering uses manual stirring of paint, which consumes manual labor, affects the spraying effect, and has poor cleanliness.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] This invention discloses a painting device for construction engineering, including a base. The base has the functions of being movable and providing stable support after being fixed. The base with the above functions is an existing mature product, and this utility model will not elaborate on it. A material bucket is arranged on the top of the base. A fixed column is arranged on one side of the base. A ball screw is vertically arranged on the inner side of the fixed column. A screw nut and a screw motor are arranged in cooperation with the ball screw. A mounting bracket is arranged on the screw nut. A bucket cover is arranged at the top and bottom of the mounting bracket. A stirring shaft is arranged on the bucket cover through a bearing. A stirring motor is arranged in cooperation with the stirring shaft. A stirring component is arranged on the stirring shaft. A lifting column is raised and lowered on the fixed column. A placement plate is rotatably arranged on the lifting column. A placement groove is opened on the placement plate. A pump body is arranged on the base. The input end of the pump body is connected to the material bucket, and the output end is arranged with a painting component.

[0008] Preferably, the painting assembly includes a spray gun, and a material delivery hose is provided between the spray gun and the output end of the pump body. The spray gun can be locked in the placement slot. Under the action of the pump body, the paint in the material tank is delivered to the spray gun through the material delivery hose, and then sprayed out of the spray gun toward the building walls, steel structure components and other places that need to be painted, so as to realize the building painting operation.

[0009] Preferably, a discharge pipe is provided at the bottom of the side wall of the material barrel, a valve body is provided on the discharge pipe, a connecting hose is provided at the input end of the pump body, and a quick-connect pipe is provided on the connecting hose in conjunction with the discharge pipe. The opening and closing of the discharge pipe can be controlled by the valve body, and the quick-connect pipe can be used to achieve quick connection between the feed end of the pump body and the discharge pipe through the cooperation of the connecting hose and the quick-connect pipe.

[0010] Preferably, the stirring assembly includes a stirring rod with a first spiral stirring blade. A second spiral stirring blade is arranged in opposite directions on the outer side of the first spiral stirring blade. The stirring shaft is controlled to rotate by a stirring motor, which in turn controls the stirring rod to drive the first and second spiral blades to rotate. The cooperation of the first and second spiral blades in opposite directions enables the paint in the tank to be quickly and evenly stirred, preventing the paint from settling during the painting process.

[0011] Preferably, the bottom end of the stirring shaft is provided with a flexible stirring plate, which can stir the paint at the bottom of the material bucket to avoid the paint settling and improve the building spraying effect. The flexible stirring plate is made of silicone rubber and preferably has a thickness of 3-5mm.

[0012] Preferably, the base is provided with a collection tray, and the material bucket is placed on the collection tray. Positioning blocks are provided at both the top and bottom of the collection tray, and positioning grooves are provided at the bottom of the material bucket and the top of the base. The positioning blocks engage with the corresponding positioning grooves. When the material bucket is removed from the base, the collection tray can collect any residual paint on the mixing component, preventing paint from falling randomly. The cooperation between the positioning blocks at the bottom of the collection tray and the positioning grooves on the base enables rapid positioning of the paint tray on the base. Simultaneously, the cooperation between the positioning blocks at the top of the paint tray and the positioning grooves at the bottom of the material bucket enables rapid and precise positioning of the material bucket within the paint tray, allowing the mixing shaft carrying the mixing component to accurately enter the material bucket.

[0013] Preferably, the fixed column has a lifting groove, the bottom end of the lifting column slides within the lifting groove, the placement plate is placed at the top of the lifting column, and the fixed column has a locking member threaded on its side. The inner end of the locking member presses against the side wall of the lifting column. The lifting groove allows for the lifting and lowering adjustment of the lifting column on the fixed column. After adjustment to a suitable position, the locking member can be tightened, so that the inner end of the locking member presses against the side wall of the lifting column, thereby locking and fixing the lifting column. This allows for flexible adjustment of the placement plate's height to accommodate different heights and usage needs.

[0014] Preferably, the top of the lifting column is provided with a rotating groove, and the bottom of the placement plate is provided with a rotating column. The rotating column is installed in the rotating groove through bearings, and a damping pad is provided between the rotating column and the inner wall of the rotating groove. When using the placement plate, the angle of the placement plate can be flexibly adjusted by the cooperation of the rotating groove and the rotating column. Thus, when placing the spray gun, the placement plate can be flexibly rotated and adjusted according to the operator's standing position, so as to facilitate the convenient and quick placement of the spray gun. Here, the setting of the damping pad can improve the rotational friction of the shaft in the rotating groove, so that the placement plate can be fixed at the top of the lifting column when there is no suitable external force. Here, whether rigid locking is required is not required. If further locking is required, the locking structure of the lifting column described above can be adopted.

[0015] Compared with known public technologies, the technical solution provided by this invention has the following beneficial effects:

[0016] 1. This utility model achieves fully automatic and uniform mixing of paint by integrating a stirring motor, a first spiral stirring blade, a second spiral stirring blade, and a flexible stirring plate, completely replacing the traditional manual mixing method. The stirring component adopts a reverse spiral blade design, which, together with the bottom flexible stirring plate, can efficiently break up paint sediment, ensuring consistent paint consistency during spraying and avoiding uneven spraying or spray gun clogging caused by sedimentation. At the same time, the surfaces of the bucket lid, stirring shaft, first spiral stirring blade, second spiral stirring blade, and flexible stirring plate that come into contact with the paint are covered with a nano-ceramic non-stick coating, reducing paint residue and facilitating maintenance. This utility model significantly reduces the intensity of manual labor and is especially suitable for large-area construction scenarios that require frequent paint changes, such as exterior wall and steel structure spraying during building construction, improving construction efficiency and making the spraying quality more stable.

[0017] 2. This utility model adopts a liftable spray gun placement plate in conjunction with a rotating adjustment structure to adapt to different construction needs. The lifting column flexibly adjusts the height of the placement plate through the cooperation of the lifting groove and locking parts to accommodate operators of different heights or different operating needs. The placement plate is equipped with a damping rotation structure formed by damping pads, a rotating shaft and a rotating groove, which supports 360° rotation positioning, making it convenient to pick up and put down the spray gun and adjust the angle. At the same time, it facilitates the flexible placement of other small operating tools during the building spraying construction process.

[0018] 3. In addition, the material bucket and the collection tray adopt a positioning block and positioning groove structure interlocking design to achieve quick disassembly and precise alignment, avoiding the misalignment of the mixing shaft. The modular structure not only simplifies the equipment assembly process, but also, through the cooperation of the mounting frame and ball screw structure, allows for flexible adjustment of the height of the mixing components according to the material bucket replacement needs. This avoids the problem of dust and impurities adhering to the surface due to random placement of the mixing equipment, which can contaminate the painting quality and significantly improve the convenience of construction. The collection tray at the bottom is used to collect the paint residue on the mixing components when the material bucket is replaced. Attached Figure Description

[0019] The invention is further described with reference to embodiments illustrated in the following figures, wherein:

[0020] Figure 1 This is a schematic diagram of the overall structure of a painting device for construction engineering according to this utility model. Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the overall structure of a painting device for construction engineering according to this utility model. Figure 2 ;

[0022] Figure 3 This is a schematic diagram of the lifting structure of the barrel lid and stirring assembly of this utility model;

[0023] Figure 4 This is an exploded cross-sectional view of the installation structure of the material hopper on the base in this utility model.

[0024] Figure 5 This is a cross-sectional view of the installation structure of the placement plate on the fixed column in this utility model;

[0025] Figure 6 This is a partial cross-sectional view of the installation structure of the placement plate on the lifting column in this utility model.

[0026] The labels in the diagram represent:

[0027] 1. Base; 2. Material bucket; 3. Fixing column; 4. Ball screw; 5. Screw nut; 6. Screw motor; 7. Mounting bracket; 8. Bucket lid; 9. Stirring shaft; 10. Stirring motor; 11. Lifting column; 12. Placement plate; 13. Placement slot; 14. Pump body; 15. Spray gun; 16. Material conveying hose; 17. Discharge pipe; 18. Valve body; 19. Connecting hose; 20. Pipe quick connector; 21. Stirring rod; 22. First spiral stirring blade; 23. Second spiral stirring blade; 24. Flexible stirring plate; 25. Collection tray; 26. Positioning block; 27. Positioning slot; 28. Lifting slot; 30. Locking component; 31. Rotating slot; 32. Rotating column; 33. Damping pad. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0029] The present invention will be further described below with reference to embodiments. Please refer to the embodiments provided. Figures 1-6 .

[0030] In view of the above-mentioned spray painting device for construction engineering, including a base 1, the base 1 has the functions of moving and providing stable support after fixing. The base 1 with the above-mentioned functions is an existing mature product, and this utility model will not elaborate on it. A material bucket 2 is provided on the top of the base 1. A fixed column 3 is provided on one side of the base 1. A ball screw 4 is vertically provided on the inner side of the fixed column 3. A screw nut 5 and a screw motor 6 are provided in cooperation with the ball screw 4. A mounting bracket 7 is provided on the screw nut 5. A bucket cover 8 is provided at the top and bottom of the mounting bracket 7. A stirring shaft 9 is provided on the bucket cover 8 through a bearing. A stirring motor 10 is provided in cooperation with the stirring shaft 9. A stirring component is provided on the stirring shaft 9. A lifting column 11 is provided on the fixed column 3. A placement plate 12 is rotatably provided on the lifting column 11. A placement groove 13 is opened on the placement plate 12. A pump body 14 is provided on the base 1. The input end of the pump body 14 is connected to the material bucket 2, and the output end is provided with a spray painting component.

[0031] The painting assembly includes a spray gun 15. A material conveying hose 16 is provided between the spray gun 15 and the output end of the pump body 14. The spray gun 15 can be locked in the placement slot 13. Under the action of the pump body 14, the paint in the material tank 2 is transported to the spray gun 15 through the material conveying hose 16, and then sprayed out of the spray gun 15 toward the building walls, steel structure components and other places that need to be painted, so as to realize the building painting operation.

[0032] Please see Figures 1-6 As one implementation of the material barrel 2: a discharge pipe 17 is provided at the bottom of the side wall of the material barrel 2, a valve body 18 is provided on the discharge pipe 17, a connecting hose 19 is provided at the input end of the pump body 14, and a quick connector 20 is provided on the connecting hose 19 in conjunction with the discharge pipe 17. The opening and closing of the discharge pipe 17 can be controlled by the valve body 18, and the quick connector 20 can be used to achieve quick connection between the feed end of the pump body 14 and the discharge pipe 17.

[0033] Please see Figures 1-6 As one embodiment of the stirring assembly: the stirring assembly includes a stirring rod 21, on which a first spiral stirring blade 22 is provided, and a second spiral stirring blade 23 is provided in opposite directions on the outer side of the first spiral stirring blade 22. The stirring motor 10 controls the rotation of the stirring shaft 9, and the stirring shaft 9 can control the stirring rod 21 to drive the first spiral blade and the second spiral blade to rotate. The cooperation of the first spiral blade and the second spiral blade in opposite directions can realize the rapid and uniform stirring of the paint in the material tank 2, and avoid the paint from settling during the painting process.

[0034] Please see Figures 1-6 As one implementation of the stirring shaft 9: a flexible stirring plate 24 is provided at the bottom of the stirring shaft 9. The flexible stirring plate 24 can stir the paint at the bottom of the material tank 2 to avoid the paint from settling and improve the building spraying effect.

[0035] Please see Figures 1-6 As one implementation of the base 1: a collection tray 25 is provided on the base 1, and the material bucket 2 is placed on the collection tray 25. Positioning blocks 26 are provided at the top and bottom of the collection tray 25, and positioning grooves 27 are provided at the bottom of the material bucket 2 and the top of the base 1. The positioning blocks 26 and the corresponding positioning grooves 27 are engaged and locked. When the material bucket 2 is removed from the base 1, the residual paint on the mixing component can be collected by the collection tray 25 to prevent the paint from falling randomly. The positioning blocks 26 at the bottom of the collection tray 25 and the positioning grooves 27 on the base 1 can achieve rapid positioning of the paint tray on the base 1. At the same time, the positioning blocks 26 at the top of the paint tray and the positioning grooves 27 at the bottom of the material bucket 2 can achieve rapid and accurate positioning of the material bucket 2 in the paint tray, so that the mixing shaft 9 carrying the mixing component can accurately enter the inside of the material bucket 2.

[0036] Please see Figures 1-6As one embodiment of the fixed column 3: the fixed column 3 is provided with a lifting groove 28, the bottom end of the lifting column 11 is slidably located in the lifting groove 28, the placement plate 12 is set at the top of the lifting column 11, and the side of the fixed column 3 is provided with a locking member 30. The inner end of the locking member 30 abuts against the side wall of the lifting column 11. The lifting groove 28 can be used to adjust the lifting of the lifting column 11 on the fixed column 3. After adjusting to a suitable position, the locking member 30 can be tightened so that the inner end of the locking member 30 abuts against the side wall of the lifting column 11, thereby locking and fixing the lifting column 11, and thus realizing the flexible adjustment of the height of the placement plate to adapt to the usage needs of different heights and different situations.

[0037] Please see Figures 1-6 As one embodiment of the lifting column 11: the top of the lifting column 11 is provided with a rotating groove 31, and the bottom of the placement plate 12 is provided with a rotating column 32. The rotating column 32 is installed in the rotating groove 31 through a bearing, and a damping pad 33 is provided between the rotating column 32 and the inner wall of the rotating groove 31. When using the placement plate 12, the angle of the placement plate 12 can be flexibly adjusted by the cooperation of the rotating groove 31 and the rotating column 32. Thus, when placing the spray gun 15, the placement plate 12 can be flexibly rotated and adjusted according to the operator's standing position, so that the spray gun 15 can be placed conveniently and quickly. Here, the setting of the damping pad 33 can improve the rotational friction of the rotating shaft in the rotating groove 31, so that the placement plate 12 can be fixed at the top of the lifting column 11 when there is no suitable external force. Here, whether rigid locking is required is not required. If further locking is required, the locking structure of the lifting column 11 described above can be adopted.

[0038] In summary:

[0039] In use, the material bucket 2 is placed on the material collection tray 25, and the material bucket 2 and the material collection tray 25 are precisely positioned by the cooperation of the positioning block 26 and the positioning groove 27. Then, the lead screw motor 6 is started, which controls the operation of the ball screw 4, so that the lead screw nut 5 can drive the mounting bracket 7 to move downward, the mounting bracket 7 can drive the bucket cover 8 to move downward, and the bucket cover 8 can control the stirring shaft 9 to drive the stirring assembly to move downward into the material bucket 2.

[0040] At the same time, the connecting hose 19 and the discharge pipe 17 are connected through the pipe block joint;

[0041] During architectural painting operations, the stirring motor 10 is started, and the stirring shaft 9 is rotated by the stirring motor 10. The stirring shaft 9 can control the stirring rod 21 to drive the first spiral blade, the second spiral blade, and the flexible stirring plate 24 to rotate. The cooperation of the first and second spiral blades in opposite directions can realize the rapid and uniform stirring of the paint in the material tank 2, avoiding the paint from settling during the painting process. The flexible stirring plate 24 can stir the paint at the bottom of the material tank 2, preventing the paint from settling at the bottom of the material tank 2, and improving the supply effect of architectural painting paint.

[0042] At the same time, the pump body 14 is started. Under the action of the pump body 14, the paint in the material tank 2 is transported to the spray gun 15 through the material conveying hose 16, and sprayed out towards the building wall, steel structure and other places that need to be painted, so as to realize the building painting operation.

[0043] When using the spray gun 15, the spray gun 15 can be taken out from the placement slot 13 of the placement base for flexible spraying operations. During the usage interval, the spray gun 15 can be conveniently placed in the placement slot 13 on the placement plate 12.

[0044] Furthermore, the placement plate 12 in this utility model can be flexibly adjusted in height and angle to meet the needs of different heights and usage situations, thereby improving the ease and flexibility of operation during construction painting, reducing the physical exertion of operators, and improving the painting effect.

[0045] In this invention, the bottom end of the bucket lid 8, the stirring shaft 9, and the surface of each component in the stirring assembly carried thereon are preferably provided with a non-stick coating. The non-stick coating is preferably a nano-ceramic non-stick coating.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A spray painting device for construction engineering, comprising a base (1), characterized in that: A material bucket (2) is provided above the base (1). A fixing column (3) is provided on one side of the base (1). A ball screw (4) is vertically provided on the inner side of the fixing column (3). A screw nut (5) and a screw motor (6) are provided in conjunction with the ball screw (4). A mounting bracket (7) is provided on the screw nut (5). A bucket cover (8) is provided at the top and bottom of the mounting bracket (7). A stirring shaft (9) is provided on the bucket cover (8) through a bearing. The system is equipped with a stirring motor (10), a stirring assembly on the stirring shaft (9), a lifting column (11) that can be raised and lowered on the fixed column (3), a placement plate (12) that can be rotatably mounted on the lifting column (11), a placement groove (13) on the placement plate (12), a pump body (14) on the base (1), the input end of the pump body (14) being connected to the material bucket (2), and a paint spraying assembly on the output end, the paint spraying assembly including a spray gun (15).

2. The painting device for construction engineering according to claim 1, characterized in that: A material conveying hose (16) is provided between the spray gun (15) and the output end of the pump body (14), and the spray gun (15) can be locked in the placement groove (13).

3. A painting device for construction engineering according to claim 2, characterized in that: The bottom of the side wall of the material barrel (2) is provided with a discharge pipe (17), a valve body (18) is provided on the discharge pipe (17), a connecting hose (19) is provided at the input end of the pump body (14), and a quick connector (20) is provided on the connecting hose (19) in conjunction with the discharge pipe (17).

4. A painting device for construction projects according to claim 3, characterized in that: The stirring assembly includes a stirring rod (21), on which a first spiral stirring blade (22) is provided, and a second spiral stirring blade (23) is provided on the outer side of the first spiral stirring blade (22) in opposite directions.

5. A painting device for construction projects according to claim 1, characterized in that: The bottom end of the stirring shaft (9) is provided with a flexible stirring plate (24).

6. A spray painting device for construction engineering according to any one of claims 1-5, characterized in that: The base (1) is provided with a material collection tray (25), and the material bucket (2) is placed on the material collection tray (25). The top and bottom of the material collection tray (25) are provided with positioning blocks (26), and the bottom of the material bucket (2) and the top of the base (1) are provided with positioning grooves (27). The positioning blocks (26) are engaged with the corresponding positioning grooves (27).

7. A painting device for construction projects according to claim 1, characterized in that: The fixed column (3) is provided with a lifting groove (28), the bottom end of the lifting column (11) is slidably located in the lifting groove (28), the placement plate (12) is set at the top of the lifting column (11), the side of the fixed column (3) is threaded with a locking member (30), and the inner end of the locking member (30) abuts against the side wall of the lifting column (11).

8. A painting device for construction projects according to claim 1, characterized in that: The top of the lifting column (11) is provided with a rotating groove (31), and the bottom of the placement plate (12) is provided with a rotating column (32). The rotating column (32) is installed in the rotating groove (31) by bearings, and a damping pad (33) is provided between the rotating column (32) and the inner wall of the rotating groove (31).