CN114042951A

CN114042951A - General machining process and device for central hole of engine blade

Info

Publication number: CN114042951A
Application number: CN202111481799.7A
Authority: CN
Inventors: 游云洪; 王勇; 游侠; 刘伟军; 朱荣文; 游波; 雷德猛
Original assignee: Chengdu Hongxia Technology Co Ltd
Current assignee: Chengdu Hongxia Technology Co Ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-02-15
Anticipated expiration: 2041-12-06
Also published as: CN114042951B

Abstract

The invention discloses a general processing technology and a device for a central hole of an engine blade, and particularly relates to the technical field of processing of the central hole of the engine blade, which comprises the following processing steps: and S1, in the appearance inspection, the hand edge of a person is used for touch inspection to determine whether the groove exists or not, and whether the concave deformation exists or not is observed for each piece. The invention adopts the deflection mechanism to drive the driving rod to drive the gear to rotate, the gear is meshed with the inner wall of the gear ring in a circumferential manner, and the gear moves to another angle along the inner wall of the gear ring and then is processed in an oblique manner, so that the sequential slotting operation of a plurality of oblique grooves along the circumferential line is realized, the circumferential processing operation can be continuously carried out, and the similarity of the inclination angle and the circumferential angle position of each knife is ensured, thereby greatly improving the processing efficiency, improving the processing accuracy, and being more convenient, efficient and high-precision processing operation.

Description

General machining process and device for central hole of engine blade

Technical Field

The invention relates to the technical field of machining of central holes of engine blades, in particular to a general machining process and a general machining device for the central holes of the engine blades.

Background

The blade is a very critical type of typical parts in an engine, the part of the blade is 1/4 of the whole engine, the aeroengine comprises four parts of a disc, a shaft, the blade and a machine circle, and in the process of machining the central hole of the blade of the engine, machining equipment is required to perform machining operation according to a specified machining process.

In practical use, the blade of the aero-engine needs to be fixed to a designated position, then the blade is moved to a designated central hole position by using processing equipment to perform downward movement processing, and in the processing process, multi-tooth-groove inclined processing needs to be performed on the inner part of the central hole, so that different-angle inclined driving is performed by using a tool, and the driving is fixed, and the following defects can exist;

in the machining process, the linkage is low, and each machined tool generates deviation, so that the machining accuracy cannot be guaranteed in the machining process, and the machining efficiency cannot be improved.

Disclosure of Invention

In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide a general machining process and apparatus for a center hole of an engine blade, in which a deflection mechanism is employed, and a gear is moved to another angle along an inner wall of a gear ring and then is subjected to a skew machining operation, so as to sequentially perform a grooving operation on a plurality of inclined grooves along a circumferential line, thereby greatly improving machining efficiency, and improving machining accuracy, and facilitating and performing high-efficiency and high-accuracy machining operations, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a general processing technology for a central hole of an engine blade comprises the following processing steps:

s1, when appearance inspection is conducted, whether grooves exist or not is detected by touching the edges of hands of people, whether concave deformation and other problems exist in each piece is observed, if no problem exists, two people can exchange and penetrate through each piece, and the pieces are placed on a machining device to be machined after being compared and determined to be correct through a visual sensing device;

s2, when the blades are placed and fixed, the arranged blades can be positioned and placed on a general processing device, the positions of the central holes of the blades are placed upwards, resetting and zero returning operations are carried out, and the input coordinates of the processing positions are confirmed to be zero;

s3, when machining is conducted, the cutting tool bit of the machining equipment can be used for entering the position of the central hole to be machined, after the machining of the central hole is completed, the smaller tool bit can be replaced to conduct butt joint hole machining, after the machining is completed, the blade can be placed in the inner inclined groove of the cutting rotary head to conduct machining operation in an inclined mode, and after the machining is completed, the blade can be detached from the tool to be checked;

in step S of the method, the universal processing device for the central hole of the engine blade comprises a movable base, wherein a supporting base is installed at the top end of the movable base, and a deflection mechanism is connected to the top end of the supporting base;

the deflection mechanism is including setting up the support column on supporting the base top, the inside first connecting block that is provided with in support column top, the inside activity supporting shaft pole of first connecting block, first connecting block top is connected with the axle collar that cup joints, the inside swing joint of axle collar has the ball of universal deflection, the ball top is connected with the linkage branch that is used for the linkage branch top is provided with the welded board of placing, it is provided with the shifting chute just to be located the support column outside to support the base top, the inside linkage structure that is provided with of shifting chute.

In a preferred embodiment, the linkage structure comprises a gear ring arranged inside the moving groove, a gear is meshed with the inner wall of the gear ring, the top end of the gear is fixedly connected with a driving rod, a driving motor for driving is installed at the top end of the driving rod, a moving collar seat for supporting the driving motor is movably sleeved outside the driving rod, a hinge block is installed on the side, close to the inside of the top end, of the moving collar seat and located on one side of the driving motor, the top end of the hinge block is connected with an electric telescopic rod, the pushing end of the electric telescopic rod is connected with a pushing rod, a second connecting block capable of being used for pushing is installed at the top end of the pushing rod, a moving collar block is movably sleeved on the side, close to the top end, of the placing plate, an inclination sensor is installed at a position close to the outer circumferential line, and the hinge block is movably connected with the moving collar seat, the upper end and the lower end of the driving rod are respectively connected with the driving motor and the gear in a coaxial transmission mode, the gear rings are distributed in an annular equal distance mode, a circular guide rod is arranged inside one side of the movable sleeve ring seat, the connecting portion of the circular guide rod and the movable sleeve ring seat is movably connected, and the cross section of the circular guide rod is circular.

In a preferred embodiment, three installation support plates are arranged outside the placing plate, a linkage fixing mechanism is arranged at the top ends of the installation support plates, the linkage fixing mechanism comprises a first push cylinder arranged at the top end of the installation support plate, the push end of the first push cylinder is connected with a push support rod, one end of the push support rod is fixedly connected with an arc-shaped extrusion plate, linkage shafts are connected to two sides of the installation support plate respectively, a sleeve shaft collar support is sleeved outside the linkage shafts, a rotating sleeve block is arranged on one side of the sleeve shaft collar support along the inner part of an inclined plane, a positioning insertion rod is inserted into the rotating sleeve block, the bottom end of the rotating sleeve block is connected with a connecting push rod, a second push cylinder is arranged at the bottom end of the connecting push rod, a positioning sleeve block is connected into the top end of the sleeve shaft collar support, a push cylinder is arranged on the upper surface of the positioning sleeve block, and an inclined extrusion plate is arranged at the push end of the push cylinder, fixed connection between slope stripper plate and the push down cylinder promotion end, location inserted bar both ends run through cup joint axle ring support inner wall both sides and extend to cup joint axle ring support both sides, swing joint between location inserted bar and the rotation nested piece is inside, swing joint between cup joint axle ring support and the universal driving shaft.

In a preferred embodiment, a moving driving base is installed at the bottom end of the moving base through a plurality of bolts, a socket screw ring block is connected to the bottom end of the moving driving base, a driving screw rod is connected to the inner thread of the socket screw ring block, installing supports are installed on two sides of the moving driving base, a servo motor is arranged at the top end of each installing support, a linkage screw rod is connected to the output end of the servo motor, a supporting sliding plate is sleeved on the outer thread of the driving motor, a processing motor for driving is installed on one side of the supporting sliding plate, a belt is sleeved at the output end of the processing motor, a processing head is connected to the inner part of the belt, an installing head is connected to the bottom end of the processing head, a camera is installed on one side of the installing head, an included angle formed between the camera and the installing head is forty-five degrees, a hydraulic jacking cylinder is installed above the supporting sliding plate, the hydraulic jacking cylinder is characterized in that the hydraulic jacking cylinder is fixedly connected with the linkage support plate, a support frame is installed on one side of the servo motor, one end of the support frame is connected with a control display screen, and the support frame is movably connected with the control display screen through a bearing.

The invention has the technical effects and advantages that:

1. the invention adopts the deflection mechanism to drive the electric telescopic rod to drive the pushing rod to push upwards so as to lead the second connecting block to move upwards, the placing plate drives the linkage supporting rod to incline, the linkage supporting rod drives the ball to roll and deflect in the sleeving shaft collar, when the inclination sensor senses a specified inclination angle, the electric telescopic rod stops working continuously, the driving rod drives the gear to rotate, the gear is meshed with the inner wall of the gear ring in a circumferential manner, the gear moves to another angle along the inner wall of the gear ring, then the inclined processing operation is carried out to realize the sequential slotting operation of a plurality of inclined grooves along the circumferential line, thus, the circular processing operation can be continuously carried out, the similarity of the inclination angle and the circular angle position of each cutter is ensured, therefore, the processing efficiency is greatly improved, the processing accuracy is improved, and the processing operation is more convenient, efficient and high-accuracy;

2. according to the invention, the engine blade is placed on the placing plate by adopting the linkage fixing mechanism, the second pushing cylinder drives the connecting push rod to move downwards, the rotating sleeve block rotates outside the positioning insertion rod, the sleeve shaft collar support rotates on the linkage shaft, the pushing support rod drives the arc-shaped extrusion plate to extrude and fix the side surface of the blade, the pushing cylinder is pushed downwards to enable the inclined extrusion plate to move downwards, the linkage extrusion is firm and higher, so that the inclined surface of the blade can be moved downwards, attached and fixed, the edge and inclined surface of the blade can be extruded and operated, the firmness of the blade during processing is improved, and the blade on the placing plate can be easily taken out after the inclined extrusion plate moves to the highest point, so that the firmness of fixation is improved, and the convenience of later taking can be improved;

3. the invention adopts the driving screw to drive the sleeved screw ring block to move under the action of the screw thread, the servo motor drives the linkage screw to enable the supporting sliding plate to move rightwards under the action of the screw thread, the hydraulic jacking cylinder realizes the up-and-down movement operation of the mounting head, so that the three-axis linkage can be realized, in the processing process, a sliding guide rail is arranged at each axis position for connection, so that the stability in linkage can be improved during the three-axis linkage, meanwhile, a camera is used for shooting, the shooting data is transmitted to the control display screen, the processing condition is checked, the safety of processing personnel is ensured, the processing state is convenient to watch during processing, and the processing safety and high quality are ensured.

To sum up, through the interact of above-mentioned a plurality of effects, realize along the circumferential line to a plurality of inclined grooves operation of slotting in proper order, can continuously carry out circumference processing operation like this, thereby machining efficiency has been increased substantially, and the accuracy of processing is improved, it is convenient high-efficient more, and high accuracy processing operation, can be the inclined plane to the blade and move down the laminating fixed, realize edge and blade inclined plane extrusion operation, it is convenient high-efficient more, and high accuracy processing operation, stability when carrying out the triaxial linkage can improve the linkage, utilize the camera to make a video recording, the processing situation is looked over in the realization that the data of making a video recording spreads into on the control display screen.

Drawings

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

Fig. 2 is a schematic view of a supporting pillar structure of the present invention.

Fig. 3 is a schematic perspective view of the bottom surface of the placement board of the present invention.

Fig. 4 is a schematic structural view of a joint of the second connecting block and the movable collar block of the present invention.

Fig. 5 is a schematic structural view of the joint of the gear and the driving rod of the present invention.

Fig. 6 is a schematic view of the ball structure of the present invention.

Fig. 7 is a schematic structural view of the joint of the rotating sleeve block and the positioning inserted link of the present invention.

Fig. 8 is a top perspective view of the telescoping collar mount of the present invention.

The reference signs are: 1. moving the base; 2. a support base; 3. a support pillar; 4. a first connection block; 5. a support shaft; 6. a sleeved collar; 7. a ball bearing; 8. a linkage strut; 9. placing the plate; 10. a moving groove; 11. a gear ring; 12. a gear; 13. a drive rod; 14. a drive motor; 15. moving the collar seat; 16. a hinged block; 17. an electric telescopic rod; 18. a push rod; 19. a second connecting block; 20. a movable collar block; 21. a tilt sensor; 22. mounting a support plate; 23. a first push cylinder; 24. pushing the supporting rod; 25. an arc-shaped extrusion plate; 26. a linkage shaft; 27. rotating the sleeve block; 28. positioning the inserted rod; 29. connecting a push rod; 30. a second push cylinder; 31. positioning the sleeve block; 32. pushing down the cylinder; 33. inclining the extrusion plate; 34. a collar bracket is sleeved; 35. moving the driving base; 36. sleeving a screw ring block; 37. a drive screw; 38. mounting a bracket; 39. a servo motor; 40. a linkage screw; 41. supporting the sliding plate; 42. a hydraulic jacking cylinder; 43. a linkage support plate; 44. processing a motor; 45. a belt; 46. a machining head; 47. a mounting head; 48. a camera; 49. a support frame; 50. controlling the display screen; 51. a circular guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The general machining process for the central hole of the engine blade, as shown in the attached figures 1-8, comprises the following process steps:

in step S2 of the method, the general processing device for the center hole of the engine blade includes a movable base 1, a supporting base 2 is installed on the top end of the movable base 1, and a deflection mechanism is connected to the top end of the supporting base 2;

deflection mechanism is including setting up support column 3 on supporting base 2 top, the inside first connecting block 4 that is provided with in 3 tops of support column, the inside activity supporting shaft pole 5 of 4 inside of first connecting blocks, 4 tops of first connecting block are connected with cup joints axle collar 6, cup joint the ball 7 that the inside swing joint of axle collar 6 has universal deflection, ball 7 top is connected with the linkage branch 8 that is used for the linkage, be provided with the welded board 9 of placing on 8 tops of linkage branch, support 2 tops of base and be located 3 outsides of support column and be provided with shifting chute 10, the inside linkage structure that is provided with of shifting chute 10.

As shown in fig. 2-5, the linkage structure includes a gear ring 11 disposed inside the moving slot 10, a gear 12 is engaged with an inner wall of the gear ring 11, a driving rod 13 is fixedly connected to a top end of the gear 12, a driving motor 14 for driving is installed at a top end of the driving rod 13, a moving collar seat 15 for supporting the driving motor 14 is movably sleeved outside the driving rod 13, a hinge block 16 is installed at a side of the moving collar seat 15 close to the inside of the top end and located at the driving motor 14, an electric telescopic rod 17 is connected to a top end of the hinge block 16, a pushing end of the electric telescopic rod 17 is connected to a pushing rod 18, a second connecting block 19 for pushing is installed at a top end of the pushing rod 18, a movable collar block 20 is movably sleeved at a side of the second connecting block 19 close to the top end, an inclination sensor 21 is installed above the placing plate 9 and close to a position of an outer circumferential line so as to start the electric telescopic rod 17 to drive the pushing rod 18 to push up, the second connecting block 19 rotates on the movable collar block 20, when the inclination sensor 21 senses a specified inclination angle according to a set inclination angle, the electric telescopic rod 17 is stopped to continue pushing, the driving motor 14 is started to drive the driving rod 13 to rotate, the gear 12 is circumferentially engaged with the inner wall of the gear ring 11, the movable collar seat 15 moves along the circular guide rod 51 to realize the operation of sequentially slotting the plurality of slots in an inclined way by circumference, the hinge block 16 is movably connected with the movable collar seat 15, the upper end and the lower end of the driving rod 13 are respectively in coaxial transmission connection with the driving motor 14 and the gear 12, so that the hinge block 16 can rotate on the movable collar seat 15 to realize the telescopic operation of the pushing end of the electric telescopic rod 17, the driving motor 14 drives the driving rod 13 to drive the gear 12, the gear ring 11 is arranged in an annular equidistant way, the circular guide rod 51 is arranged inside one side of the movable collar seat 15, the circular guide rod 51 is movably connected with the joint of the movable collar seat 15, the cross section of the circular guide rod 51 is circular, so that the gear 12 can be driven on the gear ring 11 in a ring shape, and the movable collar seat 15 can be driven along the circular guide rod 51 in a circumference manner.

As shown in fig. 3-8, three mounting support plates 22 are arranged outside the placing plate 9, a linkage fixing mechanism is arranged at the top ends of the mounting support plates 22, the linkage fixing mechanism comprises a first pushing cylinder 23 arranged at the top end of the mounting support plate 22, the pushing end of the first pushing cylinder 23 is connected with a pushing support rod 24, one end of the pushing support rod 24 is fixedly connected with an arc-shaped extrusion plate 25, two sides of the mounting support plate 22 are both connected with a linkage shaft 26, a sleeve collar support 34 is sleeved outside the linkage shaft 26, a rotating sleeve block 27 is arranged inside the inclined surface at one side of the sleeve collar support 34, a positioning insertion rod 28 is inserted inside the rotating sleeve block 27, the bottom end of the rotating sleeve block 27 is connected with a connecting push rod 29, a second pushing cylinder 30 is arranged at the bottom end of the connecting push rod 29, a positioning sleeve block 31 is connected inside the sleeve collar support 34, a push down cylinder 32 is arranged on the upper surface of the positioning sleeve block 31, an inclined extrusion plate 33 is arranged at the pushing end of the push down cylinder 32, fixed connection between slope stripper plate 33 and the push-down cylinder 32 promotion end, so that second promotion cylinder 30 drives connecting push rod 29 and moves down, it rotates at location inserted bar 28 outside to rotate nested piece 27, after connecting push rod 29 moved to the minimum position, can drive promotion branch 24 through starting first promotion cylinder 23 and promote, it realizes fixedly to start down slope stripper plate 33 of push-down cylinder 32 shifting chute 10 and move the laminating downwards at blade upper surface position department, location inserted bar 28 both ends run through the both sides of the inner wall of bell and spigot ring shaft bracket 34 and extend to bell and spigot ring shaft bracket 34 both sides, swing joint between location inserted bar 28 and the rotation nested piece 27 inside, swing joint between bell and spigot ring shaft bracket 34 and universal driving shaft 26, so that location inserted bar 28 supports more stably, and rotate nested piece 27 and carry out the angular rotation on location inserted bar 28.

As shown in figure 1, a mobile driving base 35 is installed at the bottom end of a mobile base 1 through a plurality of bolts, a socket screw ring block 36 is connected at the bottom end of the mobile driving base 35, a driving screw rod 37 is connected in the socket screw ring block 36 through internal threads, mounting brackets 38 are installed at both sides of the mobile driving base 35, a servo motor 39 is arranged at the top end of each mounting bracket 38, a linkage screw rod 40 is connected at the output end of each servo motor 39, a supporting sliding plate 41 is sleeved at the external threads of the driving motor 14, a processing motor 44 for driving is installed at one side of the supporting sliding plate 41, a belt 45 is sleeved at the output end of the processing motor 44, a processing head 46 is connected in the belt 45, a mounting head 47 is connected at the bottom end of the processing head 46, a supporting frame 49 is installed at one side of the servo motor 39, a control display screen 50 is connected at one end of the supporting frame 49, and the supporting frame 49 is movably connected with the control display screen 50 through a bearing, so that the driving screw 37 drives the socket screw ring block 36 to move under the action of the screw thread, and drives the supporting base 2 to move to a position below the mounting head 47, a larger drill bit is mounted on the mounting head 47, and the processing motor 44 is started to drive the belt 45, the mounting head 47 on the belt 45 linkage type processing head 46 rotates, the servo motor 39 is started to drive the linkage screw 40 to rotate, the hydraulic jacking cylinder 42 is started to realize the up-and-down movement operation of the mounting head 47, the positioning processing is realized, the camera 48 is mounted at one side of the mounting head 47, the included angle formed between the camera 48 and the mounting head 47 is forty-five degrees, the hydraulic jacking cylinder 42 is mounted above the supporting sliding plate 41, the outer part of the hydraulic jacking cylinder 42 is fixedly connected with the linkage support plate 43, during the processing, the camera 48 can be used to transmit the processing video in real time, and the video is transmitted to the control display screen 50 to realize the viewing operation.

The working principle of the invention is as follows: when the engine blade is placed and fixed, the engine blade can be placed on the placing plate 9, after the positioning is finished, the second pushing cylinder 30 is started to drive the connecting push rod 29 to move downwards, the connecting push rod 29 drives the rotating sleeve block 27 to move downwards, the rotating sleeve block 27 rotates outside the positioning insertion rod 28, meanwhile, the positioning insertion rod 28 can drive the sleeved shaft collar support 34 to turn downwards, the bell and spigot collar bracket 34 can be rotated on the linkage shaft 26, and after the connecting push rod 29 is moved to the lowest position, the first pushing cylinder 23 is started to drive the pushing support rod 24 to push, the pushing support rod 24 drives the arc-shaped extrusion plate 25 to extrude and fix the side surface of the blade, after the fixing is finished, the push-down cylinder 32 is started to enable the inclined extrusion plate 33 to move downwards, the inclined extrusion plate 33 is in an inclined surface and is attached to the upper surface of the blade in a downward moving mode, and the edge and inclined surface extrusion operation of the blade is achieved;

when moving, the motor can be used to drive the driving screw 37 to rotate, the driving screw 37 drives the socket screw 36 to move under the action of the screw thread, the socket screw 36 drives the moving driving base 35 to move the moving base 1, the supporting base 2 can be driven to move to the position below the mounting head 47, and a larger drill bit can be mounted on the mounting head 47, then the servo motor 39 is started to drive the linkage screw 40 to rotate, the linkage screw 40 drives the supporting sliding plate 41 to move to the right under the action of the screw thread, when the mounting head 47 and the blade center hole position are opposite, the belt 45 can be driven by starting the processing motor 44, the mounting head 47 on the belt 45 linkage type processing head 46 rotates, so that the processing drill bit can be driven, and the mounting head 47 can move up and down by starting the hydraulic jacking cylinder 42, therefore, the center hole position can be subjected to lower embedding processing, after a larger aperture position is to be cut, a smaller drill bit can be replaced to continue to carry out five hole drilling operations in the circumferential rotation mode at the butt joint hole position, the camera 48 is used for shooting, the shooting data is transmitted to the control display screen 50, the rotation control display screen 50 rotates to a specified angle on the support frame 49, and the processing condition is checked;

when the inclined circumference is in multi-tooth transmission, the electric telescopic rod 17 can be started, the electric telescopic rod 17 drives the push rod 18 to push upwards, the push rod 18 drives the second connecting block 19 to move upwards, the second connecting block 19 rotates on the movable collar block 20, meanwhile, the placing plate 9 drives the linkage supporting rod 8 to incline, the linkage supporting rod 8 drives the balls 7 to roll in the sleeve collar 6, the sleeve collar 6 has the first connecting block 4 to play a supporting role and can rotate on the supporting shaft rod 5, the movable collar block 20 is driven to drive the placing plate 9 to be in an inclined state, and the electric telescopic rod 17 is stopped to continue to push after the inclination sensor 21 senses a specified inclination angle according to the set inclination angle, so that the blade can present the inclination angle, and the cutting drill bit on the installing head 47 moves downwards to present the inclination angle grooving operation, after slotting is finished, then the driving motor 14 can be started to drive the driving rod 13 to rotate, the driving rod 13 drives the gear 12 to rotate, the gear 12 is meshed with the inner wall of the gear ring 11 in a circumferential mode, the movable collar seat 15 moves along the circular guide rod 51, so that after the gear 12 moves to another angle along the inner wall of the gear ring 11, oblique machining operation is carried out, and slotting operation of a plurality of inclined grooves in sequence can be achieved by the aid of the circumference, and circumferential inclined slotting is achieved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the present invention is not limited to the above preferred embodiments, but rather, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A general processing technology for a central hole of an engine blade comprises the following processing steps:

in step S2 of the method, the universal machining device for the central hole of the engine blade includes a movable base (1), a supporting base (2) is mounted at the top end of the movable base (1), and a deflection mechanism is connected to the top end of the supporting base (2);

deflection mechanism is including setting up support column (3) on support base (2) top, support column (3) top inside is provided with first link (4), the inside activity supporting shaft pole (5) of first link (4), first link (4) top is connected with cup joints axle collar (6), the inside swing joint of cup joint axle collar (6) has ball (7) of universal deflection, ball (7) top is connected with linkage branch (8) that are used for the linkage link branch (8) top is provided with welded board (9) of placing, support base (2) top and be located support column (3) outside and be provided with shifting chute (10), shifting chute (10) inside is provided with linkage structure.

2. The universal machining device for the central hole of the engine blade as claimed in claim 1, wherein: the linkage structure comprises a gear ring (11) arranged inside a moving groove (10), wherein the gear ring (11) is meshed with the inner wall of the gear ring (11) to form a gear (12), the gear (12) is fixedly connected with a driving rod (13) at the top end, a driving motor (14) for driving is installed at the top end of the driving rod (13), a movable sleeve seat (15) for supporting the driving motor (14) is movably sleeved outside the driving rod (13), the movable sleeve seat (15) is close to the inside of the top end and is positioned at one side of the driving motor (14) to install a hinged block (16), the top end of the hinged block (16) is connected with an electric telescopic rod (17), the pushing end of the electric telescopic rod (17) is connected with a pushing rod (18), a second connecting block (19) capable of being used for pushing is installed at the top end of the pushing rod (18), and a movable sleeve block (20) is movably sleeved at one side, close to the top end, of the second connecting block (19), an inclination sensor (21) is arranged above the placing plate (9) and close to the position of the outer circumferential line.

3. The universal machining device for the central hole of the engine blade as claimed in claim 2, wherein: the hinged block (16) is movably connected with the movable collar seat (15), and the upper end and the lower end of the driving rod (13) are respectively in coaxial transmission connection with the driving motor (14) and the gear (12) in pairs.

4. The universal machining device for the central hole of the engine blade as claimed in claim 2, wherein: gear ring (11) are annular equidistance and distribute the setting, it has circular guide arm (51) to remove lantern ring seat (15) one side internally mounted, circular guide arm (51) and removal lantern ring seat (15) junction swing joint, circular guide arm (51) cross sectional shape sets up to circular.

5. The universal machining device for the central hole of the engine blade as claimed in claim 1, wherein: three mounting support plates (22) are arranged outside the placing plate (9), a linkage fixing mechanism is arranged at the top ends of the mounting support plates (22), the linkage fixing mechanism comprises a first pushing cylinder (23) arranged at the top end of the mounting support plate (22), the pushing end of the first pushing cylinder (23) is connected with a pushing support rod (24), one end of the pushing support rod (24) is fixedly connected with an arc-shaped extrusion plate (25), the two sides of the mounting support plate (22) are both connected with a linkage shaft (26), a sleeving collar support (34) is sleeved outside the linkage shaft (26), a rotary sleeve block (27) is arranged inside one side of the sleeve collar support (34) along the inclined surface, a positioning inserted bar (28) is inserted into the rotating sleeve block (27), the bottom end of the rotating sleeve block (27) is connected with a connecting push rod (29), and a second pushing cylinder (30) is installed at the bottom end of the connecting push rod (29).

6. The universal machining device for the central hole of the engine blade as claimed in claim 5, wherein: be connected with location cover piece (31) in cup joint collar support (34) top, surface mounting has push down cylinder (32) on location cover piece (31), push down cylinder (32) promotion end is provided with slope stripper plate (33), fixed connection between slope stripper plate (33) and push down cylinder (32) promotion end.

7. The universal machining device for the central hole of the engine blade as claimed in claim 5, wherein: the utility model discloses a joint collar support, including location inserted bar (28), location inserted bar (28) both ends run through cup joint collar support (34) inner wall both sides and extend to cup joint collar support (34) both sides, swing joint between location inserted bar (28) and rotation nest block (27) inside, swing joint between cup joint collar support (34) and universal driving shaft (26).

8. The universal machining device for the central hole of the engine blade as claimed in claim 1, wherein: the bottom end of the movable base (1) is provided with a movable driving base (35) through a plurality of bolts, the bottom end of the movable driving base (35) is connected with a socket screw ring block (36), the inner part of the socket screw ring block (36) is connected with a driving screw rod (37) through threads, mounting brackets (38) are respectively mounted on two sides of the movable driving base (35), a servo motor (39) is arranged at the top end of each mounting bracket (38), the output end of the servo motor (39) is connected with a linkage screw rod (40), the external thread of the driving motor (14) is sleeved with a supporting sliding plate (41), a processing motor (44) for driving is arranged on one side of the supporting sliding plate (41), the processing motor (44) output shaft sleeve is equipped with belt (45), belt (45) internal connection has processing head (46), processing head (46) bottom is connected with and is provided with installation head (47).

9. The universal machining device for the central hole of the engine blade as claimed in claim 8, wherein: the installation structure is characterized in that a camera (48) is installed on one side of the installation head (47), an included angle formed between the camera (48) and the installation head (47) is forty-five degrees, a hydraulic jacking cylinder (42) is installed above the supporting sliding plate (41), and the outside of the hydraulic jacking cylinder (42) is fixedly connected with the linkage support plate (43).

10. The universal machining device for the central hole of the engine blade as claimed in claim 8, wherein: support frame (49) is installed to servo motor (39) one side, support frame (49) one end is connected with control display screen (50), through bearing swing joint between support frame (49) and the control display screen (50).