Coating spraying device for fan blade
By designing a paint spraying device for wind turbine blades and using a heating device to dry the paint, the problem of slow paint drying speed was solved, the adhesion and protective effect of the coating were improved, and the service life of the blades was extended.
Patent Information
- Application Number
- CN202520194921.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-07
AI Technical Summary
The slow drying speed of the coating during the spraying process of wind turbine blades leads to a longer production cycle and insufficient coating adhesion, which affects the protective effect and service life.
A paint spraying device was designed, comprising a base, a heating device, a moving device, a clamp, a lifting device, and a nozzle. The heating device dries the paint on the surface of the fan blades, improving the drying speed of the coating, while the stability of the clamp and the base ensures the spraying effect.
It accelerates the drying speed of the coating, improves the adhesion of the coating, enhances the protective effect of the fan blades, and extends the service life.
Smart Images

Figure CN223902147U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to fan blade spraying technical field especially relates to a coating spraying device for fan blade. BACKGROUND
[0002] In the field of wind power generation, fan blades as key components, its performance and life directly affect the efficiency and stability of wind power generation. Fan blade coating spraying device as a special equipment for fan blade surface coating, plays a vital role in protecting the good performance of the blade.
[0003] At present, the fan blade spraying process due to the slow drying speed of coating in the natural state, greatly prolongs the production cycle, reduces the production efficiency. In addition, the coating is difficult to fully solidify, resulting in insufficient adhesion to the surface of the blade, in the long-term operation process of the fan, the blade is subjected to the action of complex airflow impact, temperature change, etc., the coating is easy to appear peeling, skinning and other phenomena, seriously affect the protection effect, make the blade suffer from environmental erosion, shorten the service life of the blade. UTILITY MODEL CONTENTS
[0004] In order to solve the problem of slow drying speed of fan blade coating in the natural spraying process in the background art, the utility model provides the following technical scheme:
[0005] A coating spraying device for fan blade, comprising: base, heating device, moving device, holder, lifting device and spray head; A plurality of holders are erected on one side of the base, and the other side of the base is fixedly connected with the heating device; The fixed end of the moving device is movably arranged on one side of the holder, and the movable end of the moving device is fixedly connected with the holder; The fixed end of the lifting device is fixedly arranged on the holder, and the movable end of the lifting device is fixedly connected with the spray head through the bending pipe; When the holder fixes the fan blade between the holder and the base, the lifting device drives the spray head to lift, so as to perform spraying operation on the fan blade.
[0006] Among them, the moving device comprises: lead screw, drive motor, protection box, magnetic element; The recess on one side of the protection box forms a limiting groove, and the other side of the protection box is connected with the holder through the magnetic element and the magnetic force of the holder; The lead screw is rotatably arranged in the limiting groove, and one end of the lead screw is fixedly connected with the movable end of the drive motor; The holder is movably arranged on the outer circumference of the lead screw.
[0007] Further, the base and the holder are fixedly provided with a baffle for carrying the fan blade.
[0008] Further, the heating device comprises a protective shell, a ventilation fan and a heater; one side of the base is embedded in the protective shell, and both sides of the protective shell are fixedly connected with the outer sides of the base; the heater and the ventilation fan are fixedly arranged on the inner walls adjacent to the protective shell, respectively.
[0009] Further, the paint spraying device further comprises a paint tank; a fixed end of the paint tank is fixedly arranged on the surface of the holder, and a discharge port of the paint tank is connected in communication with the spray head through a hose.
[0010] Further, the holder comprises a flat plate and two support plates vertically connected with the flat plate; a through hole is fixedly arranged on the surface of the flat plate, the lifting device and the paint tank are located on both sides of the through hole, respectively, and the hose and the bent pipe are connected with the spray head through the through hole, respectively; each support plate is fixedly connected with the two sides of the base, respectively, and the inner sides of each support plate are magnetically connected with the magnetic elements, respectively.
[0011] Further, the heating device further comprises a purple light lamp; the purple light lamps are arranged on the inner walls of both sides of the protective shell, respectively, and are located on both sides of the heater, respectively.
[0012] Beneficial effects: the fan blade is clamped and stabilized by the clamp holder and the base, in the spraying process, the paint on the surface of the fan blade is dried by the heating device, so that the drying speed of the coating of the fan blade is accelerated, and the spraying effect of the fan blade is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a three-dimensional structure schematic view of a paint spraying device for a fan blade according to an embodiment of the utility model;
[0014] Figure 2 It is an explosion structure schematic view of a moving device according to an embodiment of the utility model;
[0015] Figure 3 It is a structure schematic view of a heating device according to an embodiment of the utility model. DETAILED DESCRIPTION
[0016] In order to make the purpose, technical scheme and advantages of the present application more clear, the utility model will be described in further detail below with the drawings. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.
[0017] It should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the patent.
[0018] Figure 1 A perspective structural schematic diagram of a paint spraying device for a fan blade according to an embodiment of the present application.
[0019] Referring to Figure 1 , the paint spraying device for the fan blade according to the embodiment of the present application comprises a base 1, a heating device 2, a moving device 3, a holder 4, a lifting device 5 and a spray head 6. A plurality of holding frames 7 for supporting the lifting device 5 and the spray head 6 are arranged on one side of the base 1, and the other side of the base 1 is fixedly connected with the heating device 2, so as to form a box structure on one side of the base 1. The fixed end of the moving device 3 is movably arranged on one side of the holding frame 7, and the movable end of the moving device 3 is fixedly connected with the holder 4. The fixed end of the lifting device 5 is fixed on the holding frame 7, and the movable end of the lifting device 5 is connected with the spray head 6 through a bent pipe 51. When the fan blade is fixed by the holder 4 between the holding frame 7 and the base 1, the lifting device 5 can drive the spray head 6 to move up and down, thereby performing paint spraying operation on different height positions of the fan blade.
[0020] Further, in other embodiments, the paint spraying device is also provided with a paint tank 8. The fixed end of the paint tank 8 is fixed on the surface of the holding frame 7, and the discharge port thereof is connected in communication with the spray head 6 through a hose 81, so as to continuously provide paint for the spray head 6. In addition, in order to reduce the supporting strength of the holder 4, a baffle 9 is fixedly arranged between the base 1 and the holding frame 7 in the present embodiment, so as to carry the fan blade, thereby further ensuring the stability of the fan blade during operation. After the paint spraying is completed, the holder 4 clamps the entire fan blade and enters the protective shell 21 under the driving of the lead screw 31, and then the curing speed of the surface coating of the fan blade is accelerated through the ultraviolet light 24 and the heater 23.
[0021] Continuing to refer to Figure 1 , specifically, the holding frame 7 comprises a flat plate 71 and two support plates 72 which are connected perpendicularly with the flat plate 71. The surface of the flat plate 71 is provided with a through hole 711, and the lifting device 5 and the paint tank 8 are respectively located on both sides of the through hole 711. The hose 81 and the bent pipe 51 can both pass through the through hole 711 to be connected with the spray head 6, and each support plate 72 is fixed on both sides of the base 1 and is magnetically connected with the magnetic element 34 on the inner side, thereby enhancing the structural stability and connection convenience of the entire device.
[0022] Figure 2 It is an explosion structure schematic view of the mobile device according to the embodiment of the utility model.
[0023] Referring to Figure 2 Specifically, the mobile device 3 comprises a lead screw 31, a driving motor 32, a protective box 33 and a magnetic element 34. One side of the protective box 33 is provided with a limiting groove 331 formed by groove processing, so as to provide the lead screw 31 with an accurate installation position and a rotating track, and ensure the stability and accuracy of the lead screw 31 in the rotating process. The other side of the protective box 33 is magnetically connected with the retainer 7 through the magnetic element 34. The lead screw 31 is rotatably arranged in the limiting groove 331, and one end of the lead screw 31 is fixedly connected with the movable end of the driving motor 32. When the driving motor 32 is started, the movable end of the motor drives the lead screw 31 to rotate, and the lead screw 31 generates an axial thrust to drive the holder 4 to move linearly along the outer periphery of the lead screw 31, so as to realize the horizontal position adjustment of the fan blade fixed in the holder 4, and meet the spraying requirements of different parts of the fan blade. The holder 4 is a commonly used fixed clamp, and the lifting device includes but is not limited to a cylinder assembly and the like.
[0024] Figure 3 It is a structure schematic view of a heating device according to the embodiment of the utility model.
[0025] Referring to Figure 3 Specifically, the heating device 2 comprises a protective shell 21, a ventilation fan 22 and a heater 23. The protective shell 21 is embedded on one side of the base 1, the two sides of the protective shell 21 are fixed to the outer side of the base 1, and the heater 23 and the ventilation fan 22 are respectively fixed on the adjacent inner walls of the protective shell 21. Further, in other embodiments, in order to improve the drying effect, the heating device 2 further comprises a plurality of purple light lamps 24. Each purple light lamp 24 is arranged on the inner wall of the two sides of the protective shell 21 and located on the two sides of the heater 23, so as to provide additional light conditions for the sprayed blade, so as to promote the curing process of the paint. Further, the surface of the base 1 is further provided with a baffle for supporting the fan blade. The baffle 11 is located below the mobile device, and the surface of the baffle 11 is provided with a plurality of arrayed filter holes. During the spraying operation, the paint can enter the base 1 through the filter holes, so as to prevent the surface of the support plate 72 from being excessively stacked with a large amount of paint, and thus prevent the problem of uneven thickness of the coating on the surface of the fan blade after spraying.
[0026] In summary, the utility model stabilizes the fan blade through the holder and the base, and the heating device dries the paint on the surface of the fan blade during the spraying process, so as to accelerate the drying speed of the coating of the fan blade, and thus improve the spraying effect of the fan blade.
[0027] The above describes specific embodiments of the utility model. Other embodiments are within the scope of the appended claims.
[0028] The terms "exemplary," "example," and the like are used as adjectives to indicate that something is used as an example, instance, or illustration. The terms "exemplary," "example," and the like do not denote "preferred" or "advantageous" over other embodiments. The detailed description includes specific details for the purpose of providing a thorough understanding of the described techniques. However, these techniques can be practiced without these specific details. In some instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the concepts of the described embodiments.
[0029] The above describes optional implementation manners of the embodiments of the present application in combination with the drawings, but the embodiments of the present application are not limited to the specific details in the above implementation manners, and various simple modifications can be made to the technical solutions of the embodiments of the present application within the technical concept scope of the embodiments of the present application, and these simple modifications all belong to the protection scope of the embodiments of the present application.
[0030] The above description of the content of the present specification is provided so that any ordinary person skilled in the art can implement or use the content of the present specification. Various modifications to the content of the present specification are obvious to those skilled in the art, and the general principles defined herein can also be applied to other variants without departing from the protection scope of the content of the present specification. Therefore, the content of the present specification is not limited to the examples and designs described herein, but is consistent with the broadest scope of the principles and novel features disclosed herein.
Claims
1. A paint spraying device for wind turbine blades, characterized in that, include: The system comprises a base (1), a heating device (2), a moving device (3), a clamp (4), a lifting device (5), and a spray nozzle (6). Multiple retainers (7) are mounted on one side of the base (1), and the other side of the base (1) is fixedly connected to the heating device (2). The fixed end of the moving device (3) is movably mounted on one side of the retainer (7), and the movable end of the moving device (3) is fixedly connected to the clamp (4). The fixed end of the lifting device (5) is fixedly mounted on the retainer (7), and the movable end of the lifting device (5) is fixedly connected to the spray nozzle (6) via a bent pipe (51). When the clamp (4) fixes the fan blades between the retainer (7) and the base (1), the lifting device (5) drives the spray nozzle (6) to rise and fall, thereby performing a spraying operation on the fan blades.
2. The paint spraying device for wind turbine blades according to claim 1, characterized in that, The moving device (3) includes: a lead screw (31), a drive motor (32), a protective box (33), and a magnetic element (34); a groove on one side of the protective box (33) forms a limiting groove (331), and the other side of the protective box (33) is magnetically connected to the retainer (7) through the magnetic element (34); the lead screw (31) is rotatably disposed in the limiting groove (331), and one end of the lead screw (31) is fixedly connected to the movable end of the drive motor (32); the clamp (4) is movably disposed on the outer circumferential surface of the lead screw (31).
3. A paint spraying device for wind turbine blades according to claim 2, characterized in that, A baffle (11) for supporting the fan blades is fixed between the base (1) and the retainer (7).
4. A paint spraying device for wind turbine blades according to claim 3, characterized in that, The heating device (2) includes: a protective shell (21), a ventilation fan (22) and a heater (23); one side of the base (1) is embedded in the protective shell (21), and the two sides of the protective shell (21) are respectively fixedly connected to the outer side of the base (1); the heater (23) and the ventilation fan (22) are respectively fixedly disposed on the adjacent inner walls of the protective shell (21).
5. A paint spraying device for wind turbine blades according to claim 4, characterized in that, The paint spraying device also includes a paint tank (8); the fixed end of the paint tank (8) is fixedly disposed on the surface of the retainer (7), and the outlet of the paint tank (8) is connected to the spray head (6) through a hose (81).
6. A paint spraying device for wind turbine blades according to claim 5, characterized in that, The retainer (7) includes: a flat plate (71) and two support plates (72) perpendicularly connected to the flat plate (71); the surface of the flat plate (71) is fixedly provided with a through hole (711), the lifting device (5) and the paint can (8) head are respectively located on both sides of the through hole (711), the hose (81) and the bent pipe (51) pass through the through hole (711) and are connected to the spray head (6); each support plate (72) is fixedly connected to both sides of the base (1), and the inner side of each support plate (72) is magnetically connected to the magnetic element (34).
7. A paint spraying device for wind turbine blades according to claim 6, characterized in that, The heating device (2) also includes ultraviolet lamps (24); the ultraviolet lamps (24) are respectively disposed on the inner walls of both sides of the protective shell (21), and the ultraviolet lamps (24) are respectively located on both sides of the heater (23).