CN115445825B

CN115445825B - Turbine blade surface spraying turnover assembly

Info

Publication number: CN115445825B
Application number: CN202211209300.1A
Authority: CN
Inventors: 韩小棒; 裴瑞
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-26
Anticipated expiration: 2042-09-30
Also published as: CN115445825A

Abstract

The invention relates to the technical field of spray processing of turbine blades, in particular to a turbine blade surface spray overturning assembly, which comprises a heating plate, turbine blades, a spray assembly and a spray plate, and has the beneficial effects that: through the support that has four groups of rocking arms's centre gripping locating component and backup pad spring to utilize the dog of rocking arm tip to realize spacing to turbine blade, prevent that turbine blade from dropping, be convenient for carry out stable station switching, simultaneously through the flexible drive that sets up the kicking block, realize that the location extrusion is fixed, the cooperation stay cord is fixed to the traction of rocking arm, realize the relative skew of rocking arm, make turbine blade convenient dismantlement, the elasticity that resets through the spring, make the relative turbine blade's of dog position, realize that the installation of one key is dismantled, the quick drying of cooperation stoving case has improved the efficiency of spraying greatly.

Description

Turbine blade surface spraying turnover assembly

Technical Field

The invention relates to the technical field of spray processing of turbine blades, in particular to a turbine blade surface spray overturning assembly.

Background

Most of turbines are used for rotating exhaust gas or discharging, and in the exhaust gas and discharging process, the turbines are extremely easily influenced by a transportation medium, so that the blades of the turbines are required to be subjected to protective spraying treatment.

In the prior art, the blades of the turbine are required to be fixedly installed, then spraying is realized, and after the spraying is finished, the blades are dried in the air and then are sprayed on one surface.

However, the existing spraying assembly has defects on clamping of turbine blades, most of the existing clamping is fixed, so that the turbine blades are easy to fall off when stations are switched, and most of the turbine blades are fixed by flange bolts or clamped by buckles after being sleeved and positioned, so that the turbine blades are relatively complicated to detach and mount.

Disclosure of Invention

The invention aims to provide a turbine blade surface spraying turnover assembly, which solves the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a turbine blade surface spray flip assembly, the flip assembly comprising:

the turbine fan blade comprises a blade ring and blades distributed in a circumferential array on the circular arc outer wall of the blade ring;

the spraying assembly comprises a spraying box and a drying box, wherein the spraying box is communicated with the rear side of the drying box, a rotating block driven by a motor is arranged between the spraying box and the drying box, fixing frames transversely driven by telescopic rods are arranged in the spraying box and the drying box, rotating assemblies are arranged in the fixing frames, top blocks are arranged on the outer sides of the fixing frames, linkage seats are rotatably arranged on the rotating blocks, four groups of rotating arms distributed in a circumferential array are rotatably arranged on the linkage seats, stop blocks vertically extending outwards are arranged at the end parts of the rotating arms, the four groups of rotating arms penetrate through middle through holes of the leaf rings and are attached to the outer walls of the leaf rings, and the top blocks are spliced in the four groups of rotating arms under the driving of the telescopic rods;

the spraying plate is provided with a plurality of groups of spray heads which are opposite to the blades and are linearly distributed, and the spraying plate is positioned in a rotating assembly in the spraying box;

and the heating plate is arranged on the rotating assembly in the drying box.

Preferably, a guide arc plate is arranged on the inner wall of one side of the spraying box, which is opposite to the spraying plate, an air inlet externally connected with an air pump is arranged in the middle of the outer side of the spraying box, four groups of air outlets distributed in a circumferential array are connected in the air inlet, the air outlets are vertically opposite to the guide arc plate, and a discharge hole is formed in the lower end of the spraying box.

Preferably, the telescopic link is just to the leaf ring, fixed frame internal rotation subassembly includes rotation motor, spraying board and hot plate are driven respectively to rotation motor in spraying case and the stoving case, and the one end of rotation motor is fixed at the inner wall of fixed frame, and the drive shaft tip bearing of rotation motor rotates and installs in fixed frame, and the outer end and the kicking block fixed connection of fixed frame.

Preferably, the front side wall and the rear side wall of the middle through hole of the blade ring are respectively provided with a circular ring groove, the stop blocks are pressed on the circular ring grooves, the end parts of the jacking blocks are inserted on the inner walls of the four groups of rotating arms, the end parts of the jacking blocks are pressed on the stop blocks, and the rotating arms are provided with stepped grooves propped against the outer walls of the spraying box and the drying box.

Preferably, the spraying box is provided with the scraper blade on the inner wall of one side of the spraying board, one end of the scraper blade is provided with a lantern ring which is rotationally sleeved on the inner wall of the spraying box, the side wall of the scraper blade is provided with a plurality of groups of linearly distributed open grooves, the open grooves are communicated with the inner cavity of the scraper blade, the end part of the scraper blade is provided with a through hole communicated with the inner cavity, and the scraper blade is connected with the circumference of the spraying board in a staggered manner.

Preferably, the lower extreme of scraper blade is provided with the arc groove that circular-arc runs through and is provided with, the lower extreme lateral wall of spraying board is provided with the installation pole, and the tip of installation pole runs through and pegs graft on the arc groove, and the installation pole passes through stop nut with the arc groove and fixes.

Preferably, a rotating frame is arranged between the spraying box and the drying box, a rotating block driven by a motor is rotatably arranged on the rotating frame, four groups of hinged supports distributed in a circumferential array are arranged on the circular arc outer wall of the linkage seat, one end of the rotating arm is rotatably arranged on the hinged support, and a flange plate fixedly connected with the rotating block is arranged in the middle of the linkage seat.

Preferably, the drying box is communicated with the spraying box through a semicircular rotary guide rail at the rear side, the turbine fan blade, the linkage seat and the rotating arm are driven by a rotary block to do circular motion to the drying box, a radiating window is arranged in the drying box, a heating resistance wire is arranged in a heating plate in the drying box, and the heating plate is opposite to the blades.

Preferably, one side of the linkage seat, which is close to the top block, is provided with a supporting plate, the supporting plate is fixedly connected to the side wall of the linkage seat through a connecting rod, the arc outer wall of the supporting plate is provided with four groups of telescopic slots which are right opposite to the rotating arm, the rotating arm is provided with a inserted rod inserted in the telescopic slots, and a spring is pressed between the inserted rod and the telescopic slots.

Preferably, the end of the inserted link is provided with a piston, a pair of limit spiral rings are symmetrically screwed and mounted on the outer walls of the two sides of the supporting plate between the piston and the inner wall of the telescopic slot in a pressing mode, the limit spiral rings extend to the outer side port of the telescopic slot, the gap between the adjacent limit spiral rings is smaller than the outer diameter of the piston, pull ropes extending to the supporting plate are arranged on the piston, four groups of pull ropes are smoothly bent and extend to the outer side of the supporting plate, and the four groups of pull ropes are all tied on the pull rings.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the clamping and positioning assembly with four groups of rotating arms and the support of the springs on the support plate are arranged, so that the limit of the turbine blade is realized by utilizing the stop blocks at the end parts of the rotating arms, the turbine blade is prevented from falling, stable station switching is facilitated, meanwhile, the telescopic driving of the jacking blocks is arranged, the positioning, extrusion and fixation are realized, the traction of the rotating arms by the pull ropes is matched, the relative deflection of the rotating arms is realized, the turbine blade is convenient to detach, the position of the stop blocks relative to the turbine blade is realized by the reset elastic force of the springs, the one-key installation and detachment are realized, and the quick drying of the drying box is matched, so that the spraying efficiency is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of a boom grip fastening assembly according to the present invention;

FIG. 3 is a schematic view of a support plate structure according to the present invention;

FIG. 4 is a schematic view of a turbine blade configuration of the present invention;

FIG. 5 is a schematic perspective view of a rotating arm according to the present invention;

FIG. 6 is a schematic view of a three-dimensional structure of a spray coating plate and a scraper in a matched and staggered connection mode;

FIG. 7 is a schematic perspective view of a scraper according to the present invention;

FIG. 8 is a schematic perspective view of a clamping assembly according to the present invention;

fig. 9 is a perspective view of a clamping assembly of the present invention.

In the figure: 1. a spraying box; 2. a drying box; 3. a diversion arc plate; 4. an air inlet; 5. an air outlet; 6. a rotating frame; 7. a rotating block; 8. a linkage seat; 9. a leaf ring; 10. a blade; 11. a heating plate; 12. spraying a plate; 13. a discharge port; 14. a scraper; 15. a top block; 16. a rotary motor; 17. a heat radiation window; 18. a telescopic rod; 19. a fixed frame; 20. a rotating arm; 21. circular ring grooves; 22. a stop block; 23. a stepped groove; 24. a hinged support; 25. a connecting rod; 26. a support plate; 27. a pull ring; 28. a rod; 29. a spring; 30. a piston; 31. limiting a spiral ring; 32. a pull rope; 33. a telescopic slot; 34. a collar; 35. an arc groove; 36. a mounting rod; 37. an open slot; 38. a through hole; 39. and a flange plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 9, the present invention provides a technical solution:

example 1:

a turbine blade surface coating turnover assembly comprises a heating plate 11, turbine blades, a coating assembly and a coating plate 12.

The turbine fan blade comprises a blade ring 9 and blades 10 which are distributed in a circumferential array and positioned on the circular arc outer wall of the blade ring 9, a spraying assembly comprises a spraying box 1 and a drying box 2, the spraying box 1 is communicated with the rear side of the drying box 2, a motor-driven rotating block 7 is arranged between the spraying box 1 and the drying box 2, fixing frames 19 which are transversely driven by telescopic rods 18 are arranged in the spraying box 1 and the drying box 2, rotating assemblies are arranged in the fixing frames 19, top blocks 15 are arranged on the outer sides of the fixing frames 19, linkage seats 8 are rotatably arranged on the rotating blocks 7, four groups of rotating arms 20 which are distributed in a circumferential array are rotatably arranged on the linkage seats 8, stop blocks 22 which extend outwards vertically are arranged at the end parts of the rotating arms 20, the four groups of rotating arms 20 penetrate through middle through holes of the blade ring 9 and are attached to the outer wall of the blade ring 9, and the top blocks 15 are inserted into the four groups of rotating arms 20 under the driving of the telescopic rods 18.

The blade ring 9 is sleeved on the rotating arm 20 through the relative rotation of the four groups of rotating arms 20, the limitation of turbine blades is realized through the opposite rotation of the rotating arm 20, the ejector block 15 is driven to push by the telescopic steel 18, and therefore the purpose of fixing the turbine blades is achieved by utilizing the plugging extrusion of the ejector block 15 to the rotating arm 20.

The spraying plate 12 is provided with a plurality of groups of spray heads which are opposite to the blades 10 and are linearly distributed, the spraying plate 12 is positioned on a rotating assembly in the spraying box 1, and the heating plate 11 is arranged on the rotating assembly in the drying box 2.

The blade 10 is sprayed through the spraying plate 12, and the turbine blade after spraying is driven to rotate into the drying box 2 through the rotating block 7, so that the aim of quick drying is fulfilled, and the forming efficiency of spraying is greatly improved.

Example 2:

on the basis of the embodiment 1, in order to enable paint scattered in air to impact the side wall during spraying, the environment is prevented from being polluted, the inner wall of one side of the spraying box 1, which is opposite to the spraying plate 12, is provided with a diversion arc plate 3, the middle of the outer side of the spraying box 1 is provided with an air inlet 4 of an external air pump, the air inlet 4 is internally connected with four groups of air outlets 5 distributed in a circumferential array, the air outlets 5 are vertically opposite to the diversion arc plate 3, and the lower end of the spraying box 1 is provided with a discharge opening 13.

Through setting up air inlet 4, realize spraying case 1 internal pressure increase, through setting up the perpendicular cooperation of gas outlet 5 and water conservancy diversion arc board 3, avoid the horizontal direct action of air current on blade 10, but through buffering refraction water conservancy diversion, greatly reduced the velocity of flow, avoid the air current to cause the influence to the coating of spraying on blade 10, guarantee that the spraying is even, horizontal air current makes the coating of suspension in the air strike on the inner wall of spraying case 1 simultaneously, avoid polluted environment.

Example 3:

on the basis of embodiment 2, in order to clean the paint on the inner wall of the spraying box 1, a scraping plate 14 is arranged on the inner wall of one side, opposite to the spraying plate 12, of the spraying box 1, one end of the scraping plate 14 is provided with a lantern ring 34 which is rotationally sleeved on the inner wall of the spraying box 1, a plurality of groups of opening grooves 37 which are linearly distributed are arranged on the side wall of the scraping plate 14, the opening grooves 37 are communicated with the inner cavity of the scraping plate 14, the end part of the scraping plate 14 is provided with a through hole 38 communicated with the inner cavity, and the scraping plate 14 is connected with the circumference of the spraying plate 12 in a staggered mode.

Through the linkage of scraper blade 14 and spray coating board 12 to drive scraper blade 14 through spray coating board 12 and rotate, owing to the circumference dislocation, thereby rotate the raw materials of remaining on spray coating case 1 inner wall after the spraying and scrape, through setting up open slot 37, and through-hole 38 realize accomodating scraping the coating of gathering, the coating gathering is few when first half circle rotates, when rotating to second half circle, the coating increases along with gathering, unnecessary coating extrudees to open slot 37 in, along with the rotation of scraper blade 37 downwards, thereby under centrifugal force and gravity's effect, make the coating of gathering discharge along bin outlet 13 downwards.

Example 4:

on the basis of embodiment 3, in order to realize convenient adjustment of dislocation installation, an arc groove 35 which is arranged in an arc-shaped penetrating manner is arranged at the lower end of the scraping plate 14, a mounting rod 36 is arranged on the side wall of the lower end of the spraying plate 12, the end part of the mounting rod 36 is inserted into the arc groove 35 in a penetrating manner, and the mounting rod 36 and the arc groove 35 are fixed through a limit nut.

By arranging the arc grooves 35 to be inserted with the mounting rods 36, the convenient adjustment of circumferential dislocation is realized.

Example 5:

on the basis of example 1,

the telescopic rod 18 is opposite to the blade ring 9, the rotating assembly of the fixed frame 19 comprises a rotating motor 16, the rotating motor 16 in the spraying box 1 and the drying box 2 respectively drives the spraying plate 12 and the heating plate 11, one end of the rotating motor 16 is fixed on the inner wall of the fixed frame 19, a bearing at the end part of a driving shaft of the rotating motor 16 is rotatably arranged in the fixed frame 19, and the outer end of the fixed frame 19 is fixedly connected with the top block 15. The front and rear side walls of the middle through hole of the blade ring 9 are respectively provided with a circular ring groove 21, a stop block 22 is pressed on the circular ring grooves 21, the end parts of the jacking blocks 15 are inserted on the inner walls of the four groups of rotating arms 20, the end parts of the jacking blocks 15 are pressed on the stop blocks 22, and the rotating arms 20 are provided with step grooves 23 propped against the outer walls of the spraying box 1 and the drying box 2.

The extension position of the swivel arm 20 is limited by the provision of the stepped groove 23, and the position of the stop 22 is limited by the provision of the circular groove 21, so that the vane ring 9 is prevented from relative rotation.

Example 6:

on the basis of embodiment 5, in order to realize rotary station switching, a rotating frame 6 is further arranged between the spraying box 1 and the drying box 2, a motor-driven rotating block 7 is rotatably arranged on the rotating frame 6, four groups of hinge seats 24 distributed in a circumferential array are arranged on the circular arc outer wall of the linkage seat 8, one end of the rotating arm 20 is rotatably arranged on the hinge seat 24, a flange 39 fixedly connected with the rotating block 7 is arranged in the middle of the linkage seat 8, the drying box 2 is communicated with the spraying box 1 through a rear semicircular rotating guide rail, the turbine fan blades, the linkage seat 8 and the rotating arm 20 are driven by the rotating block 7 to perform circular motion into the drying box 2, a radiating window 17 is arranged in the drying box 2, a heating resistance wire is arranged in a heating plate 11 in the drying box 2, and the heating plate 11 is opposite to the blades 10.

The rotating installation of the rotating arm 20 is realized by arranging the hinged support 24, and the fixed installation of the linkage seat 8 is realized by arranging the flange 39, so that the station overturning switching of the turbine blade after installation is realized by matching with the driving of the rotating frame 6.

Example 7:

on the basis of embodiment 6, in order to realize supporting the rotation position of the rotating arm 20, the turbine blade is prevented from being separated after the top block 15 is pulled out, a supporting plate 26 is arranged on one side of the linkage seat 8 close to the top block 15, the supporting plate 26 is fixedly connected to the side wall of the linkage seat 8 through a connecting rod 25, four groups of telescopic slots 33 which are opposite to the rotating arm 20 are arranged on the arc outer wall of the supporting plate 26, a inserting rod 28 inserted into the telescopic slots 33 is arranged on the rotating arm 20, and a spring 29 is pressed between the inserting rod 28 and the telescopic slots 33.

By arranging the cooperation of the inserted link 28 and the spring 29, the four groups of rotating arms 20 can keep relative rotation angles by utilizing the reset elastic force of the spring 29, and the falling-off caused by excessive shrinkage of the rotating arms 20 is avoided.

Example 8:

on the basis of embodiment 7, in order to realize convenient and quick turbine blade dismantlement and installation, still have to be provided with piston 30 at the tip of inserted bar 28, spring 29 pressfitting is installed to the both sides outer wall symmetry screw thread rotation of backup pad 26 between piston 30 and the inner wall of expansion tank 33 has a pair of spacing spiral 31, spacing spiral 31 extends to the outside port of expansion tank 33, clearance between adjacent spacing spiral 31 is less than the external diameter of piston 30, be provided with the stay cord 32 that extends to backup pad 26 on the piston 30, four groups stay cord 32 are buckled smoothly and are extended to the outside of backup pad 26, four groups stay cord 32 are all tied up on pull ring 27.

By arranging the cooperation of the limit spiral ring 31 and the piston 30, the insert rod 28 is prevented from being separated from the supporting plate 26, and by arranging the pull rope 32, the traction driving rotating arm 20 is facilitated.

In the disassembly process, only the pull rope 32 is required to be pulled, so that the piston 30 relatively presses the spring 29, the four groups of rotating arms 20 relatively shrink, the outer diameter of the end part is reduced, and the turbine blade is convenient to disassemble;

in the installation process, after the turbine blade is sleeved, the stay cord 32 is loosened, the four groups of rotating arms 20 are separated relatively under the reset elastic force of the spring 29, the outer diameter is increased, and at the moment, the stop block 22 is pressed on the annular groove 21, so that the turbine blade is prevented from falling.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A turbine blade surface spray-coating flip assembly, characterized in that: the flip assembly includes:

the turbine fan blade comprises a blade ring (9) and blades (10) which are distributed in a circumferential array and are positioned on the circular arc outer wall of the blade ring (9);

the spraying assembly comprises a spraying box (1) and a drying box (2), wherein the spraying box (1) is communicated with the rear side of the drying box (2), a motor-driven rotating block (7) is arranged between the spraying box (1) and the drying box (2), fixing frames (19) transversely driven by telescopic rods (18) are arranged in the spraying box (1) and the drying box (2), the rotating assembly is arranged in the fixing frames (19), top blocks (15) are arranged on the outer sides of the fixing frames (19), linkage seats (8) are rotatably arranged on the rotating blocks (7), four groups of rotating arms (20) distributed in a circumferential array are rotatably arranged on the linkage seats (8), stop blocks (22) extending outwards vertically are arranged at the end parts of the rotating arms (20), the four groups of rotating arms (20) penetrate through middle through holes of the blade rings (9) and are attached to the outer walls of the blade rings (9), and the top blocks (15) are spliced in the four groups of rotating arms (20) under the driving of the telescopic rods (18).

The spraying plate (12), the spraying plate (12) is provided with a plurality of groups of spray heads which are directly opposite to the blades (10) and are linearly distributed, and the spraying plate (12) is positioned in a rotating assembly in the spraying box (1);

a heating plate (11), wherein the heating plate (11) is arranged on a rotating assembly in the drying box (2);

the telescopic rod (18) is opposite to the blade ring (9), the rotating assembly in the fixed frame (19) comprises a rotating motor (16), the rotating motor (16) in the spraying box (1) and the drying box (2) respectively drives the spraying plate (12) and the heating plate (11), one end of the rotating motor (16) is fixed on the inner wall of the fixed frame (19), a bearing at the end part of a driving shaft of the rotating motor (16) is rotatably arranged in the fixed frame (19), the outer end of the fixed frame (19) is fixedly connected with a jacking block (15), circular grooves (21) are formed in the front side wall and the rear side wall of a middle through hole of the blade ring (9), the stop blocks (22) are pressed on the circular grooves (21), the end parts of the jacking block (15) are spliced on the inner walls of the four groups of rotating arms (20), the end parts of the jacking block (15) are pressed on the stop blocks (22), and stepped grooves (23) propped against the outer walls of the spraying box (1) and the drying box (2) are arranged on the rotating arms (20).

The utility model discloses a spiral ring type spraying device, which is characterized in that a rotating frame (6) is arranged between a spraying box (1) and a drying box (2), a rotating block (7) driven by a motor is rotatably arranged on the rotating frame (6), four groups of hinged supports (24) distributed in a circumferential array are arranged on the circular arc outer wall of a linkage seat (8), one end of a rotating arm (20) is rotatably arranged on the hinged support (24), a flange (39) fixedly connected with the rotating block (7) is arranged in the middle of the linkage seat (8), one side, close to a top block (15), of the linkage seat (8) is provided with a supporting plate (26), the supporting plate (26) is fixedly connected with the side wall of the linkage seat (8) through a connecting rod (25), four groups of telescopic grooves (33) opposite to the rotating arm (20) are arranged on the circular arc outer wall of the supporting plate (26), a plug rod (28) inserted in the telescopic grooves (33) is arranged on the rotating arm (20), a spring (29) is arranged between the plug rod (28) and the telescopic grooves (33), the end of the plug rod (28) is provided with a piston (30), the spring (29) is pressed between the piston (30) and the inner wall (33) and the two sides of the supporting plate (26) are symmetrically arranged on the two sides of the supporting plate (31) and extend to the outer side of the telescopic grooves (31) to limit spiral ring type, the clearance between adjacent spacing spiral rings (31) is less than the external diameter of piston (30), is provided with stay cord (32) that extend to backup pad (26) on piston (30), and four stay cords (32) are buckled smoothly and are extended to the outside of backup pad (26), and four stay cords (32) are all tied up on pull ring (27).

2. The turbine blade surface spray flip assembly of claim 1 wherein: the spraying box (1) is provided with a guide arc plate (3) on the inner wall of one side opposite to the spraying plate (12), an air inlet (4) externally connected with an air pump is arranged in the middle of the outer side of the spraying box (1), four groups of air outlets (5) are distributed in a circumferential array in the air inlet (4), the air outlets (5) are vertically opposite to the guide arc plate (3), and a discharge opening (13) is formed in the lower end of the spraying box (1).

3. The turbine blade surface spray flip assembly of claim 1 wherein: the spraying box (1) is just provided with scraper blade (14) on the inner wall of one side of spraying board (12), and one end of scraper blade (14) is provided with collar (34) of rotating cup joint on spraying box (1) inner wall, is provided with multiunit open slot (37) of linear distribution on the lateral wall of scraper blade (14), and the inner chamber of open slot (37) intercommunication scraper blade (14), and the tip of scraper blade (14) is provided with through-hole (38) of intercommunication inner chamber, and scraper blade (14) are connected with spraying board (12) circumference dislocation.

4. A turbine blade surface spray flip assembly as claimed in claim 3 wherein: the lower extreme of scraper blade (14) is provided with arc groove (35) that arc run through and be provided with, the lower extreme lateral wall of spraying board (12) is provided with installation pole (36), and the tip of installation pole (36) runs through and pegs graft on arc groove (35), and installation pole (36) are fixed through stop nut with arc groove (35).

5. The turbine blade surface spray flip assembly of claim 4 wherein: the drying box (2) is communicated with the spraying box (1) through a semicircular rotary guide rail at the rear side, the turbine fan blades, the linkage seat (8) and the rotating arm (20) are driven by the rotary block (7) to do circular motion to the drying box (2), a radiating window (17) is arranged in the drying box (2), a heating resistance wire is arranged in a heating plate (11) in the drying box (2), and the heating plate (11) is opposite to the blades (10).