CN115318493A

CN115318493A - Wind-powered electricity generation engine blade processingequipment

Info

Publication number: CN115318493A
Application number: CN202211078632.0A
Authority: CN
Inventors: 吴宪君; 吴晟航; 林益成
Original assignee: Guangdong University of Petrochemical Technology
Current assignee: Guangdong University of Petrochemical Technology
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-11-11

Abstract

The invention discloses a wind power engine blade machining device, which relates to the technical field of wind power generator blades and comprises a machine base and a conveying seat, wherein a conveying groove is formed in the top of the machine base, the conveying seat is conveyed in the conveying groove in a sliding mode, a blade clamping seat is rotatably installed at the top of the conveying seat, blades are clamped and installed in the blade clamping seat to convey the blades along with the sliding of the conveying seat in the conveying groove, a supporting frame is fixedly connected to one side of the middle of the conveying groove, a lifting slide block is installed in the supporting frame in a sliding mode and vertically slides, and two brushing cleaning rods are installed on one side, close to the conveying seat, of the lifting slide block. According to the blade painting cleaning device, the two brushing rods move up and down on the outer wall of the blade to clean and clean the blade, the painting spray head on the painting frame starts to work to paint the blade, the blade clamping seat drives the blade to rotate through rotation to uniformly receive paint, so that the painting is more uniform, the processing efficiency of equipment is improved, the painting processing effect of the blade is enhanced, and the product quality is improved.

Description

Wind-powered electricity generation engine blade processingequipment

Technical Field

The invention relates to the technical field of wind driven generator blades, in particular to a wind power engine blade machining device.

Background

The wind driven generator is an electric device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and alternating current is finally output, the metal blade of the generator is the key for converting the wind energy into electric energy, the wind drives the blade to rotate to complete electric energy conversion, various metal plate operations are usually required to be carried out on the blade when the blade is manufactured, the blade is the most basic and most key part in the wind driven generator, the good design, the reliable quality and the superior performance of the blade are the determining factors for ensuring the normal and stable operation of a unit, and the design of the blade in the wind driven generator directly influences the conversion efficiency of the wind energy, directly influences the annual energy production of the wind driven generator, and is an important ring for utilizing the wind energy.

In blade production, after its production, need carry out the processing of spraying paint to the blade surface, protect blade itself, nevertheless current spraying paint adopts artifical mode to spray more, and is lower to the spraying efficiency of blade, and the spraying effect is relatively poor.

Disclosure of Invention

The invention aims to provide a wind power engine blade machining device to overcome the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a wind-powered electricity generation engine blade processingequipment, including frame and transport seat, the top of frame is provided with the conveyer trough, the conveyer trough carries in the conveyer trough slides, the top of transport seat rotates installs the blade grip slipper, the blade block is installed in the blade grip slipper, carry with following the slip of conveyer trough in the conveyer trough, one side fixedly connected with support frame at conveyer trough middle part, the inside slidable mounting of support frame has the elevator slider, and the elevator slider is vertical to slide, one side that the elevator slider is close to the conveyer trough installs two brush-cleaning poles, the outside of brush-cleaning pole is provided with the brush hair, one side fixed mounting that the support frame is close to the conveyer trough has the frame of spraying paint, set up the multiunit shower nozzle that sprays paint on the frame of spraying paint, and the direction of blade on the directional conveyer trough of shower nozzle that sprays paint, simultaneously, the shower nozzle that sprays paint stops control through the control valve, when the conveyer trough takes the blade to reach support frame department, the elevator slider passes through the downward movement, drive two brush-cleaning poles and move down at the blade outer wall, later on the control elevator slider shifts up again and resets, make the brush-cleaning pole paste the blade and shift blade again, thereby the cleaning to clean blade, after the blade moves up and resets, the rotating clamp of spraying paint, thereby the improvement of the processing efficiency of spraying paint is improved more even through the rotating paint-spraying paint-enhancing the rotating tape of the processing of spraying paint.

Preferably, the outer side of the support frame is provided with a long plate, one end of the long plate is rotatably installed on the outer side of the conveying groove, the long plate is connected through a driving motor in a transmission mode, the driving motor is fixedly installed on the base and drives the long plate in a rotating mode, a guide shaft is installed inside the lifting sliding block in a rotating mode, a closed-loop guide groove is formed in the outer wall of one side, close to the support frame, of the long plate, the closed-loop guide groove is composed of two semicircular guide grooves and two linear guide grooves, the shape of the closed-loop guide groove is similar to that of a playground runway, the rotating axis of the long plate and the circular collinear arrangement of one semicircular guide groove are formed, one end of the guide shaft is slidably installed in the closed-loop guide groove, the long plate is driven in a rotating mode, vertical guiding of the support frame to the lifting sliding block is utilized, guiding of the closed-loop guide groove to the guide shaft is achieved, up-and-down driving of the lifting sliding block is achieved through changes of the closed-loop guide groove when the long plate rotates, and automatic cleaning control of the lifting sliding block is achieved.

Preferably, one side fixedly connected with thickening plate that the long slab is close to the support frame, the edge orbit of thickening plate is the same with the orbit of closed loop guide slot, and the orbit by closed loop guide slot inwards equidistance skew forms, fixed mounting has around the side gear on the guiding axle, the edge fixedly connected with of thickening plate and the tooth of thickening plate intermeshing, the brush cleaning rod rotates the installation with the lifting slide block, and be connected through gear drive between brush cleaning rod and the guiding axle, and then when long slab rotates and drives lifting slide block and reciprocate, also can drive the guiding axle and rotate, and drive two brush cleaning rod rotations, thereby when lifting slide block drives brush cleaning rod up-and-down motion, also can utilize the rotation of brush cleaning rod to improve the cleaning efficiency to the blade.

Preferably, the inner side of one end, close to the long plate rotating axis, of the long plate is fixedly connected with an arc-shaped rack, the arc-shaped rack uses the rotating axis of the long plate as the center of a circle, the blade clamping seat is fixedly connected with the conveying seat through a rotating shaft, the rotating shaft extends towards the lower part of the conveying seat, the arc-shaped rack is fixedly installed, the arc-shaped rack is meshed with a driving lever when the arc-shaped rack rotates to the lower part of the machine base along with the long plate, namely as shown in the figure, the lifting slide block is driven to be in the upper position by a closed-loop guide groove, the brushing rod is driven to leave the blade, the paint spraying nozzle on the paint spraying frame is opened at the moment, the long plate can be continuously rotated, the arc-shaped rack is matched with the meshing of the bevel gear, the blade clamping seat is driven to rotate, so that the blade clamping seat drives the blade to uniformly receive paint, and after the arc-shaped rack crosses the bevel gear, the blade clamping seat does not rotate any more.

Preferably, the outside fixedly connected with driving lever that the long slab is close to long slab rotation axle center one end, and the driving lever rotates the radial setting of circumference along the long slab, the frame is dialled to the bottom fixedly connected with of carriage, dial the below extension of frame to the carriage, cross the bottom of extending to the long slab after dialling the frame, finish when spraying paint promptly, the arc rack crosses behind the bevel gear, the driving lever follows the swing of long slab, dial the frame and drive the carriage and move in the inside of conveyer trough, break away from to dial the frame until the driving lever, do not drive the carriage and remove promptly.

Preferably, the conveying seats are arranged into a plurality of groups, and two adjacent bevel gears are connected through a hinge, so that conveying driving of all the conveying seats is realized, and the automation performance of the equipment is further improved.

Preferably, the top fixed mounting of support frame has the air nozzle, and the air nozzle has air jet system through the pipe connection, and the air nozzle is when the scrubbing rod is cleaned the blade and is brushed air-jet downwards, to blade surface further cleanness.

Preferably, the air injection device includes an air bag cylinder in which an air suction pipe and an air blow pipe are installed, the air blow pipe is connected to the air injection nozzle through a pipe, the air suction pipe is directly connected to the atmosphere, and check valves are installed in the air suction pipe and the air blow pipe, and when the air bag cylinder is compressed, air is supplied to the air injection nozzle through the air blow pipe, and when the air bag cylinder is expanded, air is sucked from the outside through the air suction pipe.

Preferably, the top fixedly connected with clamp plate of gasbag inflator, install the elastic component between clamp plate and the frame, this elastic component promotes clamp plate upward movement, and this elastic component chooses pressure spring for use, pressure spring installs the region between the bottom of clamp plate and frame, clamp plate and long board cooperation, the long board is kept away from its one end of rotation axle center and is down when arriving the conveyer trough bottom, the long board extrudees the clamp plate, and then compress the gasbag inflator, make the air nozzle blow, the lift slider moves down this moment, the scrubbing rod cleans the blade, the long board is kept away from its one end of rotation axle center and is swung to the conveyer trough top after, the clamp plate upwards resets under the promotion of elastic component, make the gasbag inflator breathe in, thereby accomplish the automatic control to the air nozzle air feed, further functional and the practicality that improve the device and use.

In the technical scheme, the invention has the following technical effects and advantages:

1. according to the invention, when the conveying seat drives the blades to reach the supporting frame, the lifting slide block is driven to move up and down to drive the two brushing cleaning rods to move up and down on the outer wall of the blades to brush and clean the blades, after the lifting slide block moves up and resets, the paint spraying nozzle on the paint spraying frame starts to work to spray paint to the blades, and at the moment, the blade clamping seat drives the blades to rotate through rotation to uniformly receive paint, so that the paint spraying is more uniform, the processing efficiency of equipment is improved, the paint spraying processing effect of the blades is enhanced, and the product quality is improved;

2. according to the invention, the air bag inflator is arranged on the base, and the long plate extrudes the pressing plate when one end of the long plate far away from the rotating axis of the long plate rotates downwards to the bottom of the conveying trough by utilizing the rotation of the long plate, so that the air bag inflator is compressed, the air nozzle sprays air downwards when the cleaning rod cleans the blades, the surfaces of the blades are further cleaned, and the use functionality and the practicability of the device are further improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the working state of the present invention.

Fig. 3 is a right side view of the stand of the present invention.

FIG. 4 is a schematic view of the structure of the long plate in the state of FIG. 1.

FIG. 5 is a schematic view of the structure of the long plate in the state of FIG. 2.

FIG. 6 is an enlarged view of a portion of the cleaning rod of FIG. 2 according to the present invention.

Description of reference numerals:

1. a machine base; 11. a conveying trough; 12. a support frame; 13. a paint spraying frame; 2. a conveying seat; 21. a blade clamping seat; 22. a bevel gear; 23. pulling the frame; 3. a lifting slide block; 31. a guide shaft; 32. cleaning the brush rod; 33. a side winding gear; 4. a long plate; 41. a closed loop guide slot; 42. thickening the plate; 43. an arc-shaped rack; 44. a deflector rod; 5. an air nozzle; 6. an air bag inflator; 61. and (7) pressing a plate.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Example 1

The invention provides a wind power engine blade processing device as shown in figures 1-6, which comprises a machine base 1 and a conveying seat 2, wherein the top of the machine base 1 is provided with a conveying groove 11, the conveying seat 2 is conveyed in the conveying groove 11 in a sliding manner, the top of the conveying seat 2 is rotatably provided with a blade clamping seat 21, blades are clamped and arranged in the blade clamping seat 21 to be conveyed along with the sliding of the conveying seat 2 in the conveying groove 11, one side of the middle part of the conveying groove 11 is fixedly connected with a supporting frame 12, a lifting slide block 3 is arranged in the supporting frame 12 in a sliding manner, the lifting slide block 3 vertically slides, one side of the lifting slide block 3 close to the conveying seat 2 is provided with two cleaning rods 32, the outer parts of the cleaning rods 32 are provided with bristles, one side of the supporting frame 12 close to the conveying seat 2 is fixedly provided with a paint spraying frame 13, set up the multiunit shower nozzle that sprays paint on the frame 13, and the directional direction of blade on the transport seat 2 of shower nozzle that sprays paint, and simultaneously, the shower nozzle that sprays paint opens through the control valve and stops control, when transport seat 2 area blade reachs support frame 12 department, lifting slide 3 is through the downstream, drive two clear brush poles 32 and move down at the blade outer wall, control lifting slide 3 to shift up afterwards and reset again, make clear brush pole 32 paste the blade once more and shift up, thereby clean the cleaning to the blade, lifting slide 3 shifts up the back that resets, the shower nozzle that sprays paint on the frame 13 begins working and sprays paint to the blade, at this moment, blade holder 21 rotates through the rotation band moving blade through the rotation and evenly receives the lacquer, thereby it is more even to make the spraying paint, improve equipment's machining efficiency, reinforcing blade sprays paint the effect of processing, improve product quality.

Further, in the above technical solution, a long plate 4 is disposed on an outer side of the support frame 12, one end of the long plate 4 is rotatably mounted on an outer side of the conveying chute 11, and the long plate 4 is in transmission connection with a driving motor which is fixedly mounted on the base 1 and drives the long plate 4 to rotate, a guide shaft 31 is rotatably mounted inside the lifting slider 3, a closed-loop guide groove 41 is formed in an outer wall of one side of the long plate 4, which is close to the support frame 12, the closed-loop guide groove 41 is formed by two semicircular guide grooves and two linear guide grooves, which are similar to a shape of a playground runway, a rotation axis of the long plate 4 and a circle of one semicircular guide groove are arranged in a collinear manner, one end of the guide shaft 31 is slidably mounted in the closed-loop guide groove 41, and thus by rotatably driving the long plate 4, the vertical guiding of the lifting slider 3 by the support frame 12, guiding of the closed-loop guide groove 41 to the guide shaft 31, and changing of the closed-loop guide groove 41 when the long plate 4 rotates, the lifting slider 3 is driven up and thus completing automatic cleaning control of the lifting slider 3.

Further, in the above technical solution, one side of the long plate 4 close to the support frame 12 is fixedly connected with a thickened plate 42, an edge track of the thickened plate 42 is the same as a track of the closed loop guide groove 41 and is formed by offsetting the track of the closed loop guide groove 41 to the inner side at equal intervals, a side winding gear 33 is fixedly installed on the guide shaft 31, teeth meshed with the thickened plate 42 are fixedly connected to the edge of the thickened plate 42, the brushing rod 32 and the lifting slider 3 are rotatably installed, and the brushing rod 32 and the guide shaft 31 are connected through gear transmission, so that when the long plate 4 rotates to drive the lifting slider 3 to move up and down, the guide shaft 31 can also be driven to rotate and drive the two brushing rods 32 to rotate, and when the lifting slider 3 drives the brushing rod 32 to move up and down, the blade cleaning efficiency can also be improved by using the rotation of the brushing rod 32.

Further, in the above technical solution, an arc rack 43 is fixedly connected to an inner side of one end of the long plate 4 close to the rotation axis of the long plate 4, and the arc rack 43 takes the rotation axis of the long plate 4 as a center of a circle, the blade clamping seat 21 is fixedly connected to the conveying seat 2 through a rotating shaft, and the rotating shaft extends to a lower side of the conveying seat 2, and is fixedly installed with the arc rack 43, when the arc rack 43 rotates to a lower side of the machine base 1 along with the long plate 4, the arc rack 43 and the shift lever 44 are engaged with each other, that is, as shown in fig. 1, the lifting slider 3 has been brought to an upper position by the closed-loop guide groove 41, and the cleaning rod 32 is separated from the blade, and at this time, the spray nozzle on the spray frame 13 is opened, so that the blade clamping seat 21 is driven to rotate by the continuous rotation of the long plate 4 in cooperation with the engagement of the arc rack 43 and the bevel gear 22, thereby enabling the blade clamping seat 21 to drive the blade to rotate uniformly receive paint, and when the arc rack 43 crosses the bevel gear 22, the blade clamping seat 21 does not rotate any more.

Further, among the above-mentioned technical scheme, long board 4 is close to long board 4 and rotates the outside fixedly connected with driving lever 44 of axle center one end, and driving lever 44 rotates the radial setting of circumference along long board 4, the frame 23 is dialled to the bottom fixedly connected with of carriage 2, dial the frame 23 and extend to the below of carriage 2, cross and dial the frame 23 and extend to the bottom of long board 4 after, promptly when spraying paint and finish, arc rack 43 crosses behind bevel gear 22, driving lever 44 follows the swing of long board 4, dial the frame 23 and drive carriage 2 and remove in the inside of conveyer trough 11, until driving lever 44 breaks away from and dials frame 23, do not drive carriage 2 removal promptly.

Further, in the above technical solution, the conveying bases 2 are arranged in multiple groups, and two adjacent bevel gears 22 are connected by a hinge, so that conveying drive of all the conveying bases 2 is realized, and the automation performance of the equipment is further improved.

The working principle is as follows: the blade clamping seat 21 is in running fit with the conveying seat 2, the lifting slide block 3 is slidably supported by the support frame 12, the long plate 4 is driven to rotate by the motor, the guide shaft 31 is guided by the closed-loop guide groove 41, the lifting slide block 3 is driven to move up and down, the cleaning rods 32 are driven to rotate by the meshing of the winding side gear 33 and the bevel gear 22, the two cleaning rods 32 are driven to move up and down on the outer wall of the blade and can also rotate at high speed, so that the blade can be cleaned quickly and effectively, the blade is prevented from being influenced by dust during subsequent paint spraying, meanwhile, the blade clamping seat 21 is supported by the rotating shaft, and the arc-shaped rack 43 is arranged on the long plate 4 and matched with the bevel gear 22, lifting slide 3 has been brought to the top position by closed loop guide slot 41, and make the pole 32 of brushing clear leave the blade after, open the shower nozzle that sprays paint on the frame 13 that sprays paint, can utilize the continuation of long slab 4 to rotate, cooperation arc rack 43 and bevel gear 22's meshing, it rotates to drive blade holder 21, thereby make blade holder 21 drive the blade and rotate evenly to receive lacquer, and after spraying paint, utilize driving lever 44 to follow the swing of long slab 4, stir and dial frame 23 and drive the inside removal of carriage 2 at conveyer trough 11, and then accomplish the automatic transport to the blade, clean and the processing operation that sprays paint, very big improvement the machining efficiency of device, the effect of spraying paint of blade has been strengthened.

Example 2

Based on embodiment 1, the difference is that, as shown in fig. 1-2, in the wind turbine blade processing device, an air nozzle 5 is fixedly installed at the top of a support frame 12, the air nozzle 5 is connected with an air injection device through a pipeline, and the air nozzle 5 injects air downwards when a brushing rod 32 brushes the blade, so as to further clean the surface of the blade.

Further, in the above technical solution, the air injection device includes an air bag cylinder 6, an air suction pipe and an air blow pipe are installed in the air bag cylinder 6, the air blow pipe is connected with the air nozzle 5 through a pipe, the air suction pipe is directly connected with the atmosphere, and a check valve is installed in the air suction pipe and the air blow pipe, when the air bag cylinder 6 is compressed, air is supplied to the air nozzle 5 through the air blow pipe, and when the air bag cylinder 6 is expanded, air is sucked from the outside through the air suction pipe.

Further, in the above technical solution, a pressing plate 61 is fixedly connected to the top of the air bag inflator 6, an elastic member is installed between the pressing plate 61 and the base 1, the elastic member pushes the pressing plate 61 to move upward, and a pressure spring is selected as the elastic member, the pressure spring is installed in a region between the bottom of the pressing plate 61 and the base 1, the pressing plate 61 is matched with the long plate 4, when one end of the long plate 4, which is far away from the rotation axis, rotates downward to the bottom of the conveying trough 11, the long plate 4 extrudes the pressing plate 61, further the air bag inflator 6 is compressed, so that the air nozzle 5 blows air, at this time, the lifting slider 3 moves downward, the cleaning rod 32 cleans the blades, after one end of the long plate 4, which is far away from the rotation axis, swings to the upper side of the conveying trough 11, the pressing plate 61 resets upward under the pushing of the elastic member, so that the air bag inflator 6 sucks air, thereby completing automatic control of air supply to the air nozzle 5, and further improving functionality and practicability of the device.

The working principle is as follows: through installing gasbag inflator 6 on frame 1, utilize the rotation of long board 4, when long board 4 keeps away from its one end down of rotation axle center to conveyer trough 11 bottom, long board 4 extrudees clamp plate 61, and then compresses gasbag inflator 6, makes air nozzle 5 spout the air downwards when scrubbing rod 32 brushes the blade, to the further cleanness in blade surface, further functional and the practicality that improves the device use.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a wind-powered electricity generation engine blade processingequipment, includes frame (1) and transport seat (2), the top of frame (1) is provided with conveyer trough (11), transport seat (2) sliding transport in conveyer trough (11), its characterized in that: the novel blade cleaning machine is characterized in that a blade clamping seat (21) is rotatably mounted at the top of the conveying seat (2), a supporting frame (12) is fixedly connected to one side of the middle of the conveying groove (11), a lifting slider (3) is slidably mounted inside the supporting frame (12), the lifting slider (3) vertically slides, two cleaning rods (32) are mounted on one side, close to the conveying seat (2), of the lifting slider (3), bristles are arranged outside the cleaning rods (32), a paint spraying frame (13) is fixedly mounted on one side, close to the conveying seat (2), of the supporting frame (12), a plurality of groups of paint spraying nozzles are arranged on the paint spraying frame (13), the lifting slider (3) drives the two cleaning rods (32) to move up and down on the outer wall of a blade through up and down movement, the paint spraying nozzles on the paint spraying frame (13) spray paint to the blade, and the blade clamping seat (21) drives the moving blade to rotate through rotation and uniformly receive paint.

2. The wind turbine blade machining device according to claim 1, wherein: the outside of support frame (12) is provided with long board (4), the outside at conveyer trough (11) is installed in the one end rotation of long board (4), just long board (4) are connected through the driving motor transmission, guiding axle (31) are installed to the internal rotation of lifting slide block (3), open in one side outer wall that long board (4) are close to support frame (12) and be equipped with closed loop guide slot (41), closed loop guide slot (41) comprise two semicircle guide slots and two straight line guide slots jointly, just the axis of rotation center of long board (4) sets up with the circular collineation of one of them semicircle guide slot, the one end slidable mounting of guiding axle (31) is in closed loop guide slot (41).

3. The wind turbine blade machining device according to claim 2, wherein: one side fixedly connected with thickening plate (42) that long slab (4) are close to support frame (12), the marginal orbit of thickening plate (42) is the same with the orbit of closed loop guide slot (41), fixed mounting is gone up in guiding axle (31) and is wound side gear (33), the edge fixedly connected with of thickening plate (42) and thickening plate (42) intermeshing's tooth, brush rod (32) and lifting slide block (3) rotate the installation clearly, just be connected through gear drive between brush rod (32) and guiding axle (31).

4. The wind turbine blade machining device according to claim 2, wherein: inboard fixedly connected with arc rack (43) that long slab (4) are close to long slab (4) rotation axle center one end, just arc rack (43) use the rotation axle center of long slab (4) as the centre of a circle, blade grip slipper (21) are through pivot and transport seat (2) fixed connection, and this pivot extends to the below of transport seat (2) to fixed mounting has arc rack (43), when arc rack (43) follow long slab (4) and rotate to frame (1) below, arc rack (43) and driving lever (44) intermeshing.

5. The wind turbine blade machining device according to claim 2, wherein: the long plate (4) is close to the outside fixedly connected with driving lever (44) of long plate (4) rotation axle center one end, just driving lever (44) rotate the radial setting of circumference along long plate (4), the bottom fixedly connected with of transport seat (2) dials frame (23), dial frame (23) and extend to the below of transport seat (2), cross and dial frame (23) and extend to the bottom of long plate (4) to the back.

6. The wind turbine blade machining device according to claim 5, wherein: the conveying seats (2) are arranged into a plurality of groups, and the adjacent bevel gears (22) are connected through hinges, so that conveying drive of all the conveying seats (2) is realized.

7. The wind turbine blade machining device according to claim 2, wherein: the top fixed mounting of support frame (12) has air nozzle (5), air nozzle (5) have air jet system through pipe connection, just air nozzle (5) are spraying air downwards when brushing rod (32) is cleaned the blade.

8. The wind turbine blade machining device according to claim 7, wherein: the air injection device comprises an air bag inflator (6), an air suction pipe and an air blowing pipe are installed in the air bag inflator (6), the air blowing pipe is connected with an air nozzle (5) through a pipeline, the air suction pipe is directly connected with the atmosphere, and a check valve is installed in the air suction pipe and the air blowing pipe.

9. The wind turbine blade machining device according to claim 8, wherein: the top fixedly connected with clamp plate (61) of gasbag inflator (6), install the elastic component between clamp plate (61) and frame (1), this elastic component promotes clamp plate (61) upward movement, and pressure spring installs the region between the bottom of clamp plate (61) and frame (1), clamp plate (61) and long board (4) cooperation.