CN215786997U

CN215786997U - Milling cutter for machining aero-engine impeller

Info

Publication number: CN215786997U
Application number: CN202121543713.4U
Authority: CN
Inventors: 陈正峰
Original assignee: Fuqian Tools Suzhou Co ltd
Current assignee: Fuqian Tools Suzhou Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-02-11
Anticipated expiration: 2031-07-08

Abstract

The utility model relates to a milling cutter for processing an impeller of an aero-engine, which comprises a milling cutter body, wherein a clamping handle is fixedly connected to the top of the milling cutter body, a locking sleeve is sleeved on the clamping handle, the tail end of the locking sleeve is fixedly connected with a fixed block, the top of the fixed block is rotatably connected with a shaft sleeve through a transmission shaft, a bearing is arranged inside the shaft sleeve, an outer ring of the bearing is fixedly connected with the inner wall of the shaft sleeve, an inner ring of the bearing is fixedly connected with the transmission shaft, a square limiting groove is formed in the center of the transmission shaft, an adjusting plate is fixedly connected to the top of the shaft sleeve through a connecting rod, a transmission motor is fixedly connected to the center of the top of the adjusting plate, and the output end of the transmission motor is fixedly connected with the square limiting groove. The clamping angle of the impeller does not need to be frequently changed by workers, and the machining efficiency is improved.

Description

Milling cutter for machining aero-engine impeller

Technical Field

The utility model relates to a milling cutter, in particular to a milling cutter for machining an aircraft engine impeller, and belongs to the technical field of machining of aircraft engine impellers.

Background

The aerospace engine blade has a complex curved surface structure, not only transmits a large torque, but also resists high temperature, so that the blade is made of a high-temperature-resistant and high-strength material, and the impeller needs to be machined by a milling cutter during production.

The existing milling cutter is not convenient for processing the curved surface of the impeller when the impeller is processed, a worker needs to frequently adjust the position and the angle of the impeller, the labor and the time are wasted, the processing efficiency is reduced, and after the impeller or the milling cutter is adjusted, the processing error is easy to occur, and the forming and using effect of the impeller is influenced.

SUMMERY OF THE UTILITY MODEL

The milling cutter body can be adjusted in angle, so that the impeller of the aero-engine can be accurately machined in multiple angles conveniently, a worker does not need to frequently replace the clamping angle of the impeller, and machining efficiency is improved.

The milling cutter comprises a milling cutter body, wherein a clamping handle is fixedly connected to the top of the milling cutter body, a locking sleeve is connected to the clamping handle in a sleeved mode, a fixing block is fixedly connected to the tail end of the locking sleeve, the top of the fixing block is rotatably connected with a shaft sleeve through a transmission shaft, a bearing is arranged inside the shaft sleeve, an outer ring of the bearing is fixedly connected with the inner wall of the shaft sleeve, an inner ring of the bearing is fixedly connected with the transmission shaft, a square limiting groove is formed in the center of the transmission shaft, an adjusting plate is fixedly connected to the top of the shaft sleeve through a connecting rod, a transmission motor is fixedly connected to the center of the top of the adjusting plate, and the output end of the transmission motor is fixedly connected with the square limiting groove.

Preferably, the tail end of the milling cutter body is of a spherical structure, the clamping handle is provided with a plurality of positioning blind holes, and the number of the positioning blind holes is several.

Preferably, the two sides of the locking sleeve are in threaded connection with adjusting screws, the tail ends of the adjusting screws are fixedly connected with bumps, and the sizes of the bumps are matched with those of the positioning blind holes.

Preferably, regulating plate one side fixedly connected with pedestal, the pedestal is equipped with the bracing piece for regulating plate central line symmetric position, the bracing piece rotates and is connected with the metal frame, metal frame top fixedly connected with mounting panel, metal frame one side fixedly connected with servo motor.

Preferably, the output end of the servo motor is fixedly connected with a coupler, the axis of the coupler is fixedly connected with a lead screw, the tail end of the lead screw is rotatably connected with the inner wall of the metal frame through a bearing seat, the periphery of the lead screw is in threaded connection with a limiting sleeve, the top of the limiting sleeve is slidably connected with the inner wall of the metal frame, the bottom of the limiting sleeve is rotatably connected with an adjusting rod, and the tail end of the adjusting rod is rotatably connected with a shaft bracket.

The utility model has the beneficial effects that:

according to the utility model, the bottom of the milling cutter body is set to be in a spherical structure, so that the curved surface can be conveniently and finely machined, the position of the lug can be conveniently adjusted by rotating the adjusting screw, the lug is enabled to be in contact connection with the positioning blind hole formed in the clamping handle, the milling cutter body is prevented from shaking during rotation to influence the machining precision, the screw can be conveniently driven to rotate by arranging the servo motor, the screw can drive the limiting sleeve to horizontally move after rotating, the limiting sleeve can horizontally move to adjust the overall angle of the adjusting plate, the milling cutter body can conveniently and accurately machine each position of the impeller, the positions of the milling cutter body and the impeller do not need to be frequently adjusted by workers, the labor intensity of the workers is reduced, and the efficiency of impeller machining is improved.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the sleeve of the present invention.

Fig. 3 is a schematic view of the internal structure of the locking sleeve of the present invention.

Reference numbers in the figures: 1. a milling cutter body; 2. a clamping handle; 3. a locking sleeve; 4. a fixed block; 5. a drive shaft; 6. a shaft sleeve; 7. a bearing; 8. a square limiting groove; 9. an adjusting plate; 10. a drive motor; 11. positioning the blind hole; 12. adjusting the screw rod; 13. a bump; 14. a metal frame; 15. mounting a plate; 16. a servo motor; 17. a lead screw; 18. a limiting sleeve; 19. and adjusting the 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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-3, the milling cutter for machining the impeller of the aircraft engine comprises a milling cutter body 1, wherein a clamping handle 2 is fixedly connected to the top of the milling cutter body 1, a locking sleeve 3 is sleeved on the clamping handle 2, a fixing block 4 is fixedly connected to the tail end of the locking sleeve 3, a shaft sleeve 6 is rotatably connected to the top of the fixing block 4 through a transmission shaft 5, a bearing 7 is arranged inside the shaft sleeve 6, the outer ring of the bearing 7 is fixedly connected with the inner wall of the shaft sleeve 6, the inner ring of the bearing 7 is fixedly connected with the transmission shaft 5, a square limiting groove 8 is formed in the center of the transmission shaft 5, an adjusting plate 9 is fixedly connected to the top of the shaft sleeve 6 through a connecting rod, a transmission motor 10 is fixedly connected to the center of the top of the adjusting plate 9, and the output end of the transmission motor 10 is fixedly connected with the square limiting groove 8.

As a preferred technical scheme of the utility model, the tail end of the milling cutter body 1 is of a spherical structure, the bottom of the milling cutter body 1 is of a spherical structure, so that a curved surface can be conveniently subjected to finish machining, the clamping handle 2 is provided with a plurality of positioning blind holes 11, and the number of the positioning blind holes 11 is several.

As a preferred technical scheme of the utility model, the two sides of the locking sleeve 3 are in threaded connection with an adjusting screw 12, the tail end of the adjusting screw 12 is fixedly connected with a projection 13, the size of the projection 13 is matched with that of the positioning blind hole 11, and the position of the projection 13 can be conveniently adjusted by rotating the adjusting screw 12, so that the projection 13 is in interference connection with the positioning blind hole 11 formed in the clamping handle 2, and the milling cutter body 1 is prevented from shaking during rotation to influence the processing precision.

As a preferred technical solution of the present invention, a shaft bracket is fixedly connected to one side of the adjusting plate 9, support rods are arranged at symmetrical positions of the shaft bracket relative to a center line of the adjusting plate 9, the support rods are rotatably connected to a metal frame 14, an installation plate 15 is fixedly connected to the top of the metal frame 14, and a servo motor 16 is fixedly connected to one side of the metal frame 14.

As a preferred technical scheme of the utility model, a coupler is fixedly connected with the output end of the servo motor 16, a lead screw 17 is fixedly connected with the axle center of the coupler, the tail end of the lead screw 17 is rotatably connected with the inner wall of the metal frame 14 through a bearing seat, a limit sleeve 18 is connected with the periphery of the lead screw in a threaded manner, the top of the limit sleeve 18 is slidably connected with the inner wall of the metal frame 14, an adjusting rod 19 is rotatably connected with the bottom of the limit sleeve 18, the tail end of the adjusting rod 19 is rotatably connected with the axle frame, the lead screw 17 is conveniently driven to rotate by the servo motor 16, the limit sleeve 18 can be driven to horizontally move after the lead screw 17 rotates, the overall angle of the adjusting plate 9 can be adjusted by the horizontal movement of the limit sleeve 18, the milling cutter body 1 can conveniently and accurately process each position of the impeller, the positions of the milling cutter body 1 and the impeller do not need to be frequently adjusted by workers, the labor intensity of the workers is reduced, the efficiency of impeller processing has been improved.

When the milling cutter is used, the bottom of the milling cutter body 1 is arranged to be of a spherical structure, so that a curved surface can be conveniently and finely machined, the position of the bump 13 can be conveniently adjusted by rotating the adjusting screw 12, the bump 13 is in abutting connection with the positioning blind hole 11 formed in the clamping handle 2, the milling cutter body 1 is prevented from shaking during rotation to influence machining precision, the lead screw 17 can be conveniently driven to rotate by arranging the servo motor 16, the limit sleeve 18 can be driven to horizontally move after the lead screw 17 rotates, the overall angle of the adjusting plate 9 can be adjusted by horizontally moving the limit sleeve 18, the milling cutter body 1 can conveniently and accurately machine each position of an impeller, the positions of the milling cutter body 1 and the impeller do not need to be frequently adjusted by workers, the labor intensity of the workers is reduced, and the efficiency of impeller machining is improved.

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, and it is therefore desired that the present embodiments 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, without any reference thereto being construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an aeroengine is milling cutter for impeller processing, includes milling cutter body (1), its characterized in that: milling cutter body (1) top fixedly connected with centre gripping handle (2), centre gripping handle (2) cover is established and is connected with lock sleeve (3), lock sleeve (3) terminal fixedly connected with fixed block (4), transmission shaft (5) are passed through at fixed block (4) top and are rotated and be connected with axle sleeve (6), axle sleeve (6) inside is equipped with bearing (7), bearing (7) outer lane and axle sleeve (6) inner wall fixed connection, bearing (7) inner circle and transmission shaft (5) fixed connection, square spacing groove (8) have been seted up in transmission shaft (5) center department, connecting rod fixedly connected with regulating plate (9) are passed through at axle sleeve (6) top, regulating plate (9) top center department fixedly connected with driving motor (10), driving motor (10) output and square spacing groove (8) fixed connection.

2. The milling cutter for machining an aircraft engine impeller according to claim 1, wherein: the end of the milling cutter body (1) is of a spherical structure, the clamping handle (2) is provided with a plurality of positioning blind holes (11), and the number of the positioning blind holes (11) is a plurality.

3. The milling cutter for machining an aircraft engine impeller according to claim 1, wherein: the locking sleeve (3) is connected with an adjusting screw (12) through threads on two sides, a bump (13) is fixedly connected to the tail end of the adjusting screw (12), and the size of the bump (13) is matched with that of the positioning blind hole (11).

4. The milling cutter for machining an aircraft engine impeller according to claim 1, wherein: regulating plate (9) one side fixedly connected with pedestal, the pedestal is equipped with the bracing piece for regulating plate (9) central line symmetric position, the bracing piece rotates and is connected with metal frame (14), metal frame (14) top fixedly connected with mounting panel (15), metal frame (14) one side fixedly connected with servo motor (16).

5. The milling cutter for machining an aircraft engine impeller according to claim 4, wherein: the output end of the servo motor (16) is fixedly connected with the shaft coupler, the shaft coupler shaft center is fixedly connected with a lead screw (17), the tail end of the lead screw (17) is rotatably connected with the inner wall of the metal frame (14) through a bearing seat, the peripheral thread of the lead screw is connected with a limiting sleeve (18), the top of the limiting sleeve (18) is slidably connected with the inner wall of the metal frame (14), the bottom of the limiting sleeve (18) is rotatably connected with an adjusting rod (19), and the tail end of the adjusting rod (19) is rotatably connected with the shaft bracket.