CN216541832U

CN216541832U - Special four-drive-shaft machine for rapidly milling and punching stator blade of aero-engine compressor

Info

Publication number: CN216541832U
Application number: CN202122671670.4U
Authority: CN
Inventors: 周尧; 李守权; 刘旭东
Original assignee: Shenyang Xinbaoneng Technology Co ltd
Current assignee: Shenyang Xinbaoneng Technology Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-05-17
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a four-drive-shaft special machine for realizing rapid surface milling and punching of stator blades of an aircraft engine compressor, which comprises a four-shaft special machine body, wherein a first air cylinder is connected to the upper portion of the left side of the four-shaft special machine body through a bolt, a second air cylinder is installed on the right side of the upper portion of the four-shaft special machine body, a surface milling and punching mechanism capable of simultaneously milling and punching the stator blades of the engine compressor is arranged inside the left side of a hollow column, four-shaft drill bits are connected to the upper inner side and the lower inner side of a chain wheel mechanism in a key connection mode, and a milling blade is welded to the upper portion of the inner side of a rotary drum. According to the utility model, through the face milling and punching mechanism, the face milling treatment can be carried out on the outer side of the right end of the stator blade of the engine compressor, and the drilling processing can be carried out on the right end face of the stator blade of the engine compressor, so that the batch processing production of the stator blade of the engine compressor is facilitated, and the use cost of the stator blade of the engine compressor on the production and processing equipment is reduced.

Description

Special four-drive-shaft machine for rapidly milling and punching stator blade of aero-engine compressor

Technical Field

The utility model relates to the technical field of machinery, in particular to a four-wheel drive shaft special machine for realizing rapid face milling and punching of an aero-engine compressor stator blade.

Background

The axial-flow compressor is composed of a rotor and a stator, the stator is a general name of a stator assembly, is a non-rotating part in the compressor and comprises a casing and a stator blade assembly, in a single-rotor turbojet engine, the casing of the compressor is composed of an air inlet device, a rectifier casing and a diffuser casing, in the double-rotor compressor, a flow dividing casing is arranged between a fan and the compressor and used for dividing air flow of an inner duct and an outer duct, and an intermediate casing is arranged between a high-pressure compressor and a low-pressure compressor and used for smoothly introducing the air flow into the high-pressure compressor from the low-pressure compressor;

the aero-engine stator blade quality requirement is strict, the delivery cycle is short, the traditional technical scheme of the first two procedures in the machining process is that a horizontal milling machine is used for machining two end faces of the blade, then a vertical drilling machine is used for machining a center hole, the procedures of the technical scheme are distributed in a dispersed mode, the precision is poor, the machining efficiency is low, a horizontal milling machine and a vertical drilling machine need to be purchased in the machining procedure, the machine tool occupies a large space, the energy consumption is high, the purchasing cost is obviously improved, meanwhile, the requirement on the skill level of equipment and operators by using the vertical drilling machine machining center hole is high, and the mass production is not facilitated.

Therefore, a special four-wheel-drive shaft machine for rapidly milling and punching stator blades of an aircraft engine compressor is needed to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a four-drive shaft special machine for quickly milling and punching the stator blade of an aero-engine compressor, which is provided with a milling and punching mechanism, can effectively mill the outer side of the stator blade of the aero-engine compressor under the action of the rotation of a rotary drum and a milling blade, and can effectively drill the right end surface of the stator blade of the aero-engine compressor in the rotating process by a four-shaft drill bit, compared with the existing four-drive shaft special machine for quickly milling and punching the stator blade of the aero-engine compressor, the four-drive shaft special machine not only can mill the outer side of the right end of the stator blade of the aero-engine compressor, but also can drill the right end surface of the stator blade of the aero-engine compressor, is beneficial to the batch processing and production of the stator blade of the aero-engine compressor, and simultaneously reduces the use cost of the stator blade of the aero-engine compressor on the production and processing equipment, to solve the problems set forth in the background art described above.

In order to achieve the purpose, the utility model provides the following technical scheme: a four-drive-shaft special machine for quickly milling and punching stator blades of an aero-engine compressor comprises a four-shaft special machine body, wherein a first air cylinder is connected to the upper portion of the left side of the four-shaft special machine body through a bolt, a clamping mechanism capable of clamping and fixing the stator blades of the engine compressor with different diameters is arranged on the right side of the first air cylinder, a second air cylinder is arranged on the right side of the upper portion of the four-shaft special machine body, a moving block is fixed to the second air cylinder through a piston, a servo motor is arranged on the right side of the moving block, the output end of the servo motor is connected with a main shaft through a coupler, a hollow column is welded on the left side of the moving block, a surface milling and punching mechanism capable of simultaneously milling and punching the stator blades of the engine compressor is arranged inside the left side of the hollow column, the surface milling and punching mechanism comprises a chain wheel mechanism which is connected to the outer side of the main shaft in a key mode, the chain wheel mechanism is connected with a four-axis drill bit in an upper and lower inner side key mode, a transmission gear is fixed on the left side of the upper portion of the four-axis drill bit, a rotary drum is meshed on the outer side of the transmission gear, and a milling cutter blade is welded on the upper portion of the inner side of the rotary drum.

Preferably, fixture is including welding the inside left fixed oil section of thick bamboo of four-axis special plane body, just the fixed oil section of thick bamboo outside is connected with oil pipe, oil pipe right-hand member intercommunication has the telescopic link, just the telescopic link outer end is fixed with the grip block, and the design of above-mentioned mechanism utilizes the inboard fluid of fixed oil section of thick bamboo to extrude four telescopic link inboards with its inboard fluid under the extruded effect of first cylinder drive to holistic convenience has been increased.

Preferably, the telescopic link is the array distribution, just the quantity of telescopic link with the quantity of grip block is the one-to-one correspondence, and the design of above-mentioned mechanism utilizes the effect that telescopic link and grip block extended to the outside simultaneously, can effectually carry out the centre gripping to engine compressor stator blade fixedly, has increased holistic stability.

Preferably, the hollow column is located on the outer side of the main shaft, the outer side of the hollow column and the rotary drum form an annular sliding structure, the transmission gear can be effectively driven to rotate by means of rotation of the main shaft, and the rotary drum meshed with the outer side can rotate simultaneously when the transmission gear rotates, so that the overall transmission effect is improved.

Preferably, the four-axis drill bit run through in the hollow post outside, the design of above-mentioned mechanism can effectually support the four-axis drill bit when rotary drilling through hollow post to holistic stability and practicality have been increased.

Preferably, the rotating drum is matched with the transmission gear to form a rotating structure, and the design of the mechanism can effectively drive the rotating drum to rotate through the rotation of the transmission gear, so that the integral transmission performance is improved.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the clamping mechanism is arranged, the oil liquid on the inner side of the fixed oil cylinder is extruded towards the right side by the first air cylinder through the piston and is uniformly extruded to the inner sides of the four telescopic rods in cooperation with the oil pipe, so that the four telescopic rods and the clamping blocks corresponding to the outer ends of the four telescopic rods simultaneously extend outwards;

2. the utility model is provided with the face milling and punching mechanism, the outer side of the stator blade of the engine compressor can be effectively milled under the action of the rotation of the rotary drum and the milling blade, and meanwhile, the right end face of the stator blade of the engine compressor can be effectively drilled by utilizing a four-axis drill bit in the rotating process.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of a four-wheel drive shaft special machine for realizing rapid face milling and punching of stator blades of an aircraft engine compressor provided by the utility model;

FIG. 2 is a schematic main sectional view of the structure shown in FIG. 1;

FIG. 3 is a schematic view of the mounting structure of the transmission gear and the drum shown in FIG. 1;

FIG. 4 is a schematic view of the mounting arrangement of the drum and milling insert shown in FIG. 1;

fig. 5 is a schematic view of an installation structure of the hollow column and the drum shown in fig. 1.

In the figure: 1. a four-axis special machine body; 2. a first cylinder; 3. a clamping mechanism; 301. fixing the oil cylinder; 302. an oil pipe; 303. a telescopic rod; 304. a clamping block; 4. a second cylinder; 5. a moving block; 6. a servo motor; 7. a main shaft; 8. a hollow column; 9. a face milling and punching mechanism; 901. a sprocket mechanism; 902. a four-axis drill bit; 903. a transmission gear; 904. a rotating drum; 905. and (5) milling the blade.

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.

Referring to fig. 1-5, an embodiment of the present invention is shown: a four-drive-shaft special machine for realizing rapid face milling and punching of aero-engine compressor stator blades comprises a four-shaft special machine body 1, a first air cylinder 2, a clamping mechanism 3, a fixed oil cylinder 301, an oil pipe 302, a telescopic rod 303, a clamping block 304, a second air cylinder 4, a moving block 5, a servo motor 6, a main shaft 7, a hollow column 8, a face milling and punching mechanism 9, a chain wheel mechanism 901, a four-shaft drill bit 902, a transmission gear 903, a rotary drum 904 and a milling blade 905, wherein the first air cylinder 2 is connected to the upper left side of the four-shaft special machine body 1 through a bolt, the clamping mechanism 3 capable of clamping and fixing engine compressor stator blades of different diameters is arranged on the right side of the first air cylinder 2, the second air cylinder 4 is arranged on the right side of the upper portion of the four-shaft special machine body 1, the moving block 5 is fixed to the second air cylinder 4 through a piston, the servo motor 6 is arranged on the right side of the moving block 5, and the output end of the servo motor 6 is connected with the main shaft 7 through a coupler, the left side of the moving block 5 is welded with a hollow column 8, and a surface milling and punching mechanism 9 which can simultaneously mill and punch the surface of the stator blade of the engine compressor is arranged inside the left side of the hollow column 8.

Example 1

Referring to fig. 1-2 and fig. 4, the clamping mechanism 3 includes a fixed oil cylinder 301 welded on the left side inside the four-axis special machine body 1, an oil pipe 302 is connected to the outer side of the fixed oil cylinder 301, the right end of the oil pipe 302 is communicated with a telescopic rod 303, clamping blocks 304 are fixed at the outer ends of the telescopic rods 303, the telescopic rods 303 are distributed in an array, the number of the telescopic rods 303 and the number of the clamping blocks 304 are in one-to-one correspondence, the stator blade of the engine compressor is firstly placed inside the right side of the four-axis special machine body 1 through a manipulator, the left inside of the stator blade of the engine compressor is penetrated outside the clamping blocks 304 corresponding to the four telescopic rods 303, then the first air cylinder 2 is started to extrude the oil inside of the fixed oil cylinder 301 to the right side through a piston, and the oil pipe 302 is evenly extruded inside the four telescopic rods 303, so that the four telescopic rods 303 and the clamping blocks 304 corresponding to the outer ends extend to the outside simultaneously, therefore, the stator blades of the engine compressor with different diameters can be clamped and fixed from the inside.

Example 2

Referring to fig. 2-3 and fig. 5, the difference from embodiment 1 is: the face milling and punching mechanism 9 comprises a chain wheel mechanism 901 which is in key connection with the outer side of a main shaft 7, the upper inner side and the lower inner side of the chain wheel mechanism 901 are in key connection with a four-shaft drill bit 902, a transmission gear 903 is fixed on the left side above the four-shaft drill bit 902, the outer side of the transmission gear 903 is meshed with a rotary drum 904, a milling blade 905 is welded on the upper portion of the inner side of the rotary drum 904, a hollow column 8 is located on the outer side of the main shaft 7, the outer side of the hollow column 8 and the rotary drum 904 form an annular sliding structure, the four-shaft drill bit 902 penetrates through the outer side of the hollow column 8, the rotary drum 904 forms a rotating structure in cooperation with the transmission gear 903, a second air cylinder 4 is started firstly, a moving block 5 is driven by a piston to move towards the left side, the inner portion of the left side of the rotary drum 904 is completely sleeved on the outer side of a stator blade of an engine compressor, then a servo motor 6 on the right side of the moving block 5 is matched with the chain wheel mechanism 901 to drive the main shaft 7 and the four-shaft drill bit 902 to rotate simultaneously, and then the action of the four-shaft drill bit 902 is utilized, drive gear 903 and rotate, because of the meshing has rotary drum 904 in the drive gear 903 top outside, so when it can effectual drive rotary drum 904 rotatory when rotatory, through the rotatory effect of rotary drum 904, effectual drive milling cutter piece 905 mills the face in the engine compressor stator blade outside, meanwhile when four-axis drill bit 902 is rotatory, can effectually carry out drilling to engine compressor stator blade right-hand member face, go up the structure and not only can mill the face to the engine compressor stator blade right-hand member outside, can also carry out drilling to engine compressor stator blade right-hand member face simultaneously.

The working principle is as follows: as shown in fig. 1-2 and fig. 4, firstly, stator blades of an engine compressor are placed into the right side of a four-axis special machine body 1 through a manipulator, the left side inner part of the stator blades of the engine compressor is penetrated through the outer sides of clamping blocks 304 corresponding to four telescopic rods 303, then, a first air cylinder 2 is started to extrude oil liquid on the inner side of a fixed oil cylinder 301 towards the right side through a piston, and the oil pipe 302 is matched to evenly extrude the oil liquid to the inner sides of the four telescopic rods 303, so that the four telescopic rods 303 and the clamping blocks 304 corresponding to the outer ends extend outwards at the same time, and the stator blades of the engine compressor with different diameters can be clamped and fixed from the inside, and the overall practicability and stability are improved;

after the stator blade of the engine compressor is clamped and fixed, the surface milling and drilling are required to be carried out at the moment, the specific operation scheme is shown in figures 2-3 and 5, the second air cylinder 4 is started firstly, the piston drives the moving block 5 to move towards the left side, so that the inner part of the left side of the rotating drum 904 is completely sleeved on the outer side of the right end of the stator blade of the engine compressor, then the servo motor 6 on the right side of the moving block 5 is started to be matched with the chain wheel mechanism 901 to drive the main shaft 7 and the four-axis drill bit 902 to rotate simultaneously, then the transmission gear 903 is driven to rotate by the rotation of the upper four-axis drill bit 902, the rotating drum 904 is meshed on the outer side above the transmission gear 903, so that the rotating drum 904 can be effectively driven to rotate when the rotating drum 904, the milling blade is effectively driven to carry out the surface milling treatment on the outer side of the stator blade of the engine compressor through the rotation of the rotating drum 904, meanwhile, when the four-axis drill bit 902 rotates, the engine compressor stator blade right-end face drilling processing device can effectively drill the right-end face of the engine compressor stator blade, the structure can be used for milling the outer side of the right end of the engine compressor stator blade, the right-end face of the engine compressor stator blade can be drilled simultaneously, the processing efficiency of the engine compressor stator blade is increased, batch processing production of the engine compressor stator blade is facilitated, the use cost of the engine compressor stator blade on production and processing equipment is reduced simultaneously, and the working principle is that of the scheme is adopted, so that a series of works are completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a four-wheel drive axle special plane that aeroengine compressor stator blade realized milling face fast, punches which characterized in that: the special four-axis machine comprises a special four-axis machine body (1), wherein a first air cylinder (2) is connected to the upper portion of the left side of the special four-axis machine body (1) through a bolt, a clamping mechanism (3) capable of clamping and fixing stator blades of engine compressors with different diameters is arranged on the right side of the first air cylinder (2), a second air cylinder (4) is arranged on the right side of the upper portion of the special four-axis machine body (1), a moving block (5) is fixed on the second air cylinder (4) through a piston, a servo motor (6) is arranged on the right side of the moving block (5), the output end of the servo motor (6) is connected with a main shaft (7) through a coupler, a hollow column (8) is welded on the left side of the moving block (5), a surface milling and punching mechanism (9) capable of simultaneously milling and punching surfaces of the stator blades of the engine compressors is arranged inside the left side of the hollow column (8), and the surface milling and punching mechanism (9) comprises a chain wheel mechanism (901) connected to the outer side of the main shaft (7) in a key mode, the chain wheel mechanism (901) is connected with a four-axis drill bit (902) in a key mode at the upper inner side and the lower inner side, a transmission gear (903) is fixed on the left side above the four-axis drill bit (902), a rotary drum (904) is meshed with the outer side of the transmission gear (903), and a milling cutter blade (905) is welded on the upper portion of the inner side of the rotary drum (904).

2. The special four-wheel-drive shaft machine for rapidly milling and punching stator blades of an aircraft engine compressor according to claim 1, is characterized in that: fixture (3) including the welding at the inside left fixed oil cylinder (301) of four-axis special plane body (1), just fixed oil cylinder (301) outside is connected with oil pipe (302), oil pipe (302) right-hand member intercommunication has telescopic link (303), just telescopic link (303) outer end is fixed with grip block (304).

3. The special four-wheel-drive shaft machine for rapidly milling and punching stator blades of an aircraft engine compressor according to claim 2, characterized in that: the telescopic rods (303) are distributed in an array mode, and the number of the telescopic rods (303) corresponds to the number of the clamping blocks (304) in a one-to-one mode.

4. The special four-wheel-drive shaft machine for rapidly milling and punching stator blades of an aircraft engine compressor according to claim 1, is characterized in that: the hollow column (8) is positioned on the outer side of the main shaft (7), and the outer side of the hollow column (8) and the rotary drum (904) form an annular sliding structure.

5. The special four-wheel-drive shaft machine for rapidly milling and punching stator blades of an aircraft engine compressor according to claim 4, characterized in that: the four-axis drill bit (902) penetrates through the outer side of the hollow column (8).

6. The special four-wheel-drive shaft machine for rapidly milling and punching stator blades of an aircraft engine compressor according to claim 5, is characterized in that: the rotating cylinder (904) is matched with the transmission gear (903) to form a rotating structure.