CN214869461U - High-speed aviation rotor blade tip grinding machine - Google Patents
High-speed aviation rotor blade tip grinding machine Download PDFInfo
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- CN214869461U CN214869461U CN202121188756.5U CN202121188756U CN214869461U CN 214869461 U CN214869461 U CN 214869461U CN 202121188756 U CN202121188756 U CN 202121188756U CN 214869461 U CN214869461 U CN 214869461U
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Abstract
The utility model belongs to the technical field of machining, especially, relate to a high-speed aviation rotor apex grinding machine, including the base that the level set up, be equipped with X axle guide rail on the base, it is connected with the X axle and removes the frame to slide on the X axle guide rail, is equipped with the first actuating mechanism that the frame removed is removed to drive X axle on the base. The X-axis moving frame is provided with a main shaft clamping mechanism and a grinding wheel dresser. And two sides of the X-axis moving frame are provided with an optical measuring mechanism and a multi-station grinding wheel warehouse. A portal frame is erected above the X-axis guide rail and comprises a stand column and a cross beam, a Y-axis guide rail arranged along the longitudinal horizontal direction is arranged on the cross beam of the portal frame, a Y-axis moving frame is connected to the Y-axis guide rail in a sliding mode, and a second driving mechanism for driving the Y-axis moving frame to move is arranged on the cross beam. The Y-axis moving frame is provided with a Z-axis guide rail arranged in the vertical direction in an extending mode, the Z-axis guide rail is connected with a lifting frame in a sliding mode, the Y-axis moving frame is provided with a third driving mechanism for driving the lifting frame to move, and the bottom of the lifting frame is provided with a grinding wheel mechanism. The utility model discloses simple structure, reliability height.
Description
Technical Field
The utility model belongs to the technical field of machining, especially, relate to a high-speed aviation rotor apex grinding machine.
Background
Most of the domestic aviation engine host factories adopt blade tip slow-speed grinding equipment, the equipment is not special equipment purchased at present at home, but equipment departments of the aviation engine host factories adopt a common lathe to be modified, a lathe body, a main shaft and a tailstock of the common lathe are used, a grinding head is modified and added on a tool rest slide carriage of the common lathe, and the purpose of grinding the blade tips of the rotor is realized. The process has the defects that the rotating speed of a lathe spindle can only rotate at a low speed when the blade tip is ground, the blade tip is ground in a low rotating speed state, in order to deal with the grinding force during the blade tip grinding, a row of blades are bundled by a rubber belt, the final result is that the consistency of the rotor blade tip is poor, the control difficulty of the gap between the blade tip and a casing is large, and the working efficiency and the reliability of an engine are seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's weak point, and provide a simple structure, high-speed aviation rotor apex grinding machine of reliability.
The utility model aims at solving the problems by the following technical scheme:
the utility model provides a high-speed aviation rotor apex grinding machine which characterized in that: the X-axis moving frame is connected with the X-axis guide rail in a sliding manner, and a first driving mechanism for driving the X-axis moving frame to move on the X-axis guide rail is arranged on the base; a main shaft clamping mechanism for placing a product to be processed is arranged on the X-axis moving frame, and a grinding wheel dresser is arranged on the X-axis moving frame; an optical measuring mechanism for measuring the diameter of a processed product is arranged on one side of the X-axis moving frame, and a multi-station grinding wheel warehouse is arranged on the other side of the X-axis moving frame;
a portal frame is erected above the X-axis guide rail, the portal frame comprises upright columns vertically arranged on two sides of the base and cross beams arranged at the tops of the two upright columns, and the cross beams are perpendicular to the X-axis guide rail; a Y-axis guide rail horizontally arranged along the longitudinal direction is arranged on the portal frame beam, a Y-axis moving frame connected with the Y-axis guide rail in a sliding manner is arranged on the Y-axis guide rail, and a second driving mechanism for driving the Y-axis moving frame to move on the Y-axis guide rail is arranged on the portal frame beam; the Y-axis moving frame is provided with a Z-axis guide rail arranged in the vertical direction, the Z-axis guide rail is provided with a lifting frame connected with the Z-axis guide rail in a sliding manner, the Y-axis moving frame is provided with a third driving mechanism for driving the lifting frame to move on the Z-axis guide rail, and the bottom of the lifting frame is provided with a grinding wheel mechanism.
Based on the structure, under the condition that the rigidity of the whole process system is ensured to the maximum extent, each subsystem adopts mature functional parts, and the vertical special grinding wheel is adopted to grind the blade tips of the blades perpendicular to the axis of the rotor to be processed, so that the structure of the equipment is simplified, the complexity of the functional parts of the equipment is reduced, and the reliability of the equipment is greatly improved.
Furthermore, the spindle clamping mechanism of the utility model comprises a second X-axis guide rail, a spindle head end mechanism and a spindle tail end mechanism;
the second X-axis guide rail is horizontally laid on the upper surface of the X-axis moving frame and is arranged in parallel with the X-axis guide rail;
the main shaft head end mechanism comprises a first base fixed at one end of the X-axis moving frame, a driving main shaft is arranged on the first base, and a first clamp mechanism is fixed at the front end of the driving main shaft;
the main shaft tail end mechanism comprises a second base movably connected with the second X-axis guide rail, a second clamp mechanism matched with the first clamp mechanism is arranged on the second base, and the second clamp mechanism is rotatably connected with the second base; and a fourth driving mechanism for driving the second base to move on the second X-axis guide rail is arranged on the second base.
Further, first anchor clamps mechanism is hydraulically operated fixture.
Further, the utility model discloses be equipped with third X axle guide rail on the X axle removes the frame, third X axle guide rail and X axle guide rail parallel arrangement, third X axle guide rail are equipped with supporting mechanism, supporting mechanism includes the third base of being connected with third X axle guide rail removal and fixes the support frame that is used for supporting the product on the third base, supporting mechanism is in between main shaft head end mechanism and the main shaft tail end mechanism.
Furthermore, the drive spindle is the special electric spindle of high-power high-speed grinding.
Further, emery wheel mechanism includes second drive main shaft and sets up the CBN emery wheel on the second drive main shaft.
Furthermore, the optical measuring mechanism of the present invention comprises a second Y-axis guide rail, a second Y-axis moving frame, a fifth driving mechanism, and an optical measuring head; the second Y-axis guide rail is horizontally arranged along the longitudinal direction and fixed on a portal frame upright post, the second Y-axis moving frame is connected with the second Y-axis guide rail in a sliding mode, the fifth driving mechanism is fixed on the upright post and drives the second Y-axis moving frame to move on the second Y-axis guide rail, and the optical measuring head is fixed on the second Y-axis moving frame and arranged towards the direction of the spindle clamping mechanism.
Further, the multistation emery wheel storehouse is fixed on the portal frame stand, has placed the emery wheel of a plurality of different angles on the multistation emery wheel storehouse.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
1. under the condition that the rigidity of the whole process system is ensured to the maximum extent, each subsystem adopts mature functional parts, and a vertical special grinding wheel is adopted to grind the blade tips of the blades perpendicular to the axis of the rotor to be processed, so that the structure of the equipment is simplified, the complexity of the functional parts of the equipment is reduced, and the reliability of the equipment is greatly improved.
2. The X-axis moving frame is provided with a grinding wheel dresser, so that grinding wheels can be dressed on line, the grinding wheels can be dressed and formed according to different angles of blade tips of each stage of blades, the blade tips are directly cut into the blade for grinding, the machining efficiency is improved, and the machining quality of the blade tip surface is improved.
3. The multi-station grinding wheel warehouse can be used for simultaneously placing grinding wheels with various different angles and realizing one-time clamping and one-time processing of the rotor.
4. The driving main shaft is an electric main shaft special for high-power high-speed grinding, and the requirements of coarse and fine grinding are met when high and low speeds are freely switched.
5. The grinding wheel mechanism adopts the requirements of a novel grinding process, and the CBN grinding wheel with better sharpness and retentivity is used, so that the size requirements and the angle requirements of all levels of blade tops are met.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the present invention.
Fig. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a left side view structure diagram of the present invention.
Fig. 4 is a schematic view of the top view structure of the present invention.
In the figure: the device comprises a base 1, an X-axis guide rail 2, an X-axis moving frame 3, a first driving mechanism 4, a main shaft clamping mechanism 5, a grinding wheel dresser 6, an optical measuring mechanism 7, a multi-station grinding wheel warehouse 8, a second X-axis guide rail 9, a first base 10, a driving main shaft 11, a first clamping mechanism 12, a second base 13, a second clamping mechanism 14, a fourth driving mechanism 15, a third X-axis guide rail 16, a third base 17, a supporting frame 18, an upright column 19, a cross beam 20, a Y-axis guide rail 21, a Y-axis moving frame 22, a second driving mechanism 23, a Z-axis guide rail 24, a lifting frame 25, a third driving mechanism 26, a second driving main shaft 27, a CBN grinding wheel 28, a second Y-axis guide rail 29, a second Y-axis moving frame 30, a fifth driving mechanism 31 and an optical measuring head 32.
Detailed Description
The present invention will be described in further detail with reference to fig. 1-4.
The utility model provides a high-speed aviation rotor apex grinding machine, is equipped with the X axle guide rail 2 that horizontal level set up including the base 1 that the level set up on the base 1, is equipped with the X axle that slides rather than being connected on the X axle guide rail 2 and removes frame 3, is equipped with the first actuating mechanism 4 that drives X axle and remove frame 3 and remove on X axle guide rail 2 on the base 1. The base 1 can be set to be long enough as required, so that the effective moving distance of the X-axis moving frame 3 is large enough, and the X-axis moving frame can be moved out of a grinding spindle machining area to facilitate workpiece hoisting.
The X-axis moving frame 3 is provided with a main shaft clamping mechanism 5 for placing a product to be processed, the X-axis moving frame 3 is provided with a grinding wheel dresser 6, a grinding wheel can be dressed on line, the grinding wheel can be dressed and formed according to different angles of blade tips of each stage of blades, the blade tips are directly cut into and ground from the blade tops, the processing efficiency is improved, and the processing quality of the surface of the blade tops is improved. An optical measuring mechanism 7 for measuring the diameter of a processed product is arranged on one side of the X-axis moving frame 3, and a multi-station grinding wheel warehouse 8 is arranged on the other side of the X-axis moving frame 3.
The spindle clamping mechanism 5 comprises a second X-axis guide rail 9, a spindle head end mechanism and a spindle tail end mechanism. The second X-axis guide rail 9 is horizontally laid on the upper surface of the X-axis moving frame 3, and the second X-axis guide rail 9 and the X-axis guide rail 2 are arranged in parallel. The spindle head end mechanism 10 comprises a first base 10 fixed at one end of the X-axis moving frame 3, a driving spindle 11 is arranged on the first base 10, the driving spindle 11 is preferably a high-power grinding special electric spindle, a first clamp mechanism 12 is fixed at the front end of the driving spindle 11, and the first clamp mechanism 12 is preferably a hydraulic clamp. The main shaft tail end mechanism comprises a second base 13 movably connected with the second X-axis guide rail 9, a second clamp mechanism 14 matched with the first clamp mechanism 12 is arranged on the second base 13, and the second clamp mechanism 14 is rotatably connected with the second base 13; and a fourth driving mechanism 15 for driving the second base 13 to move on the second X-axis guide rail 9 is arranged on the second base 13.
Be equipped with third X axle guide rail 16 on the X axle removes frame 3, third X axle guide rail 16 and X axle guide rail 2 parallel arrangement, third X axle guide rail 16 is equipped with supporting mechanism, supporting mechanism include with third X axle guide rail 16 remove third base 17 of being connected with fix the support frame 18 that is used for supporting the product on third base 17, supporting mechanism is in between main shaft head end mechanism and the main shaft tail end mechanism.
The aero-engine rotor is arranged on the main shaft clamping mechanism 5, the first clamp mechanism 12 configured on the aero-engine rotor is a hydraulic clamp, the aero-engine rotor has the advantages of being high in clamping repetition precision, free of clamping damage to a workpiece shaft or clamping deformation and the like, the driving main shaft 11 is preferably a high-power high-speed grinding special electric main shaft, the aero-engine rotor is directly driven, the direct-drive motor drives the rotor to achieve the rotating speed of 1600r/min, and the blade tips of blades of the aero-engine rotor are ground at the rotating speed. The device has the characteristic of free switching between high speed and low speed, and meets the requirements of rough finish grinding.
A portal frame is erected above the X-axis guide rail 2 and comprises upright posts 19 vertically arranged on two sides of the base and a cross beam 20 arranged at the tops of the two upright posts 19, the cross beam 20 is perpendicular to the X-axis guide rail 2, and the portal frame beam structure has the advantages of being good in rigidity, stable in structure, not prone to deformation and the like. A Y-axis guide rail 21 horizontally arranged along the longitudinal direction is arranged on the portal frame beam 20, a Y-axis moving frame 22 connected with the Y-axis guide rail 21 in a sliding manner is arranged on the Y-axis guide rail 21, and a second driving mechanism 23 for driving the Y-axis moving frame 22 to move on the Y-axis guide rail 21 is arranged on the portal frame beam 0; be equipped with the Z axle guide rail 24 that extends the vertical direction setting on the Y axle removes the frame 22, be equipped with rather than the crane 25 of sliding connection on the Z axle guide rail 24, be equipped with the third actuating mechanism 26 that the drive crane 25 removed on Z axle guide rail 24 on the Y axle removes the frame 22, crane 25 bottom is equipped with the emery wheel mechanism, the emery wheel mechanism includes second drive spindle 27 and sets up the CBN emery wheel 28 on second drive spindle 27, it uses sharpness and retentivity better, the dimensional requirement and the angle requirement of the leaf top at all levels have been guaranteed.
The optical measuring mechanism 7 comprises a second Y-axis guide rail 29, a second Y-axis moving frame 30, a fifth driving mechanism 31 and an optical measuring head 32; the second Y-axis guide rail 29 is horizontally arranged along the longitudinal direction and fixed on the portal frame upright post 19, the second Y-axis moving frame 30 is connected with the second Y-axis guide rail 29 in a sliding mode, the fifth driving mechanism 31 is fixed on the upright post 19 and drives the second Y-axis moving frame 30 to move on the second Y-axis guide rail 29, the optical measuring head 32 is fixed on the second Y-axis moving frame 30 and arranged towards the direction of the main shaft clamping mechanism 5, a diameter correcting reference disc can be arranged at the driving end of the workpiece shaft, and each stage of blade can be measured after the absolute value of the reference disc which is marked in advance is measured each time, so that the measuring error is effectively reduced.
The multi-station grinding wheel warehouse 8 is fixed on a portal frame upright post 19, a plurality of grinding wheels with different angles are placed on the multi-station grinding wheel warehouse 8, and one-time clamping and one-time machining of the rotor are achieved. The polishing wheel of the diamond powder abrasive can be replaced, and the burr and blunting process requirements on the machined blade top can be met.
The working process of the equipment is as follows:
firstly, the aero-engine rotor is placed between the first clamp mechanism 12 and the second clamp mechanism 14, the fourth driving mechanism 15 drives the second base 13 to move on the second X-axis guide rail 9, the first clamp mechanism 12 and the second clamp mechanism 14 clamp the aero-engine rotor, and the second clamp mechanism 14 can move, so that blade tips of different stages of blades can be ground. After the rotor of the aircraft engine is clamped, the main driving shaft 11 directly drives the rotor of the engine to rotate.
The first driving mechanism 4 drives the X-axis moving frame 3 to move on the X-axis guide rail 2 to drive the engine rotor to reach the position below the grinding wheel mechanism, the second driving mechanism 23 drives the Y-axis moving frame 22 to move on the Y-axis guide rail 21 to drive the grinding wheel mechanism to move towards the direction of the engine rotor, the second driving main shaft 27 drives the CBN grinding wheel 28 to rotate, and the CBN grinding wheel 28 is fed in a creeping manner to realize large-allowance coarse grinding of the rotor blade tips. And then through the processing procedure and the process requirement, different grinding wheels can be taken out from the multi-station grinding wheel warehouse 8 to process the rotor, and burrs and blunting can be removed from the machined blade top by replacing the polishing wheel of the diamond powder grinding material.
The utility model discloses ensure under the condition of whole process system rigidity at the maximize, each branch system adopts ripe functional part, adopts vertical special emery wheel perpendicular to wait to process rotor axis grinding blade apex, simplifies equipment structure, reduces equipment functional part's complexity, has greatly improved the reliability of equipment.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a high-speed aviation rotor apex grinding machine which characterized in that: the X-axis moving frame is connected with the X-axis guide rail in a sliding manner, and a first driving mechanism for driving the X-axis moving frame to move on the X-axis guide rail is arranged on the base; a main shaft clamping mechanism for placing a product to be processed is arranged on the X-axis moving frame, and a grinding wheel dresser is arranged on the X-axis moving frame; an optical measuring mechanism for measuring the diameter of a processed product is arranged on one side of the X-axis moving frame, and a multi-station grinding wheel warehouse is arranged on the other side of the X-axis moving frame;
a portal frame is erected above the X-axis guide rail, the portal frame comprises upright columns vertically arranged on two sides of the base and cross beams arranged at the tops of the two upright columns, and the cross beams are perpendicular to the X-axis guide rail; a Y-axis guide rail horizontally arranged along the longitudinal direction is arranged on the portal frame beam, a Y-axis moving frame connected with the Y-axis guide rail in a sliding manner is arranged on the Y-axis guide rail, and a second driving mechanism for driving the Y-axis moving frame to move on the Y-axis guide rail is arranged on the portal frame beam; the Y-axis moving frame is provided with a Z-axis guide rail arranged in the vertical direction, the Z-axis guide rail is provided with a lifting frame connected with the Z-axis guide rail in a sliding manner, the Y-axis moving frame is provided with a third driving mechanism for driving the lifting frame to move on the Z-axis guide rail, and the bottom of the lifting frame is provided with a grinding wheel mechanism.
2. The high-speed aerorotor tip grinder of claim 1, wherein: the main shaft clamping mechanism comprises a second X-axis guide rail, a main shaft head end mechanism and a main shaft tail end mechanism;
the second X-axis guide rail is horizontally laid on the upper surface of the X-axis moving frame and is arranged in parallel with the X-axis guide rail;
the main shaft head end mechanism comprises a first base fixed at one end of the X-axis moving frame, a driving main shaft is arranged on the first base, and a first clamp mechanism is fixed at the front end of the driving main shaft;
the main shaft tail end mechanism comprises a second base movably connected with the second X-axis guide rail, a second clamp mechanism matched with the first clamp mechanism is arranged on the second base, and the second clamp mechanism is rotatably connected with the second base; and a fourth driving mechanism for driving the second base to move on the second X-axis guide rail is arranged on the second base.
3. The high-speed aerorotor tip grinder of claim 2, wherein: the first clamp mechanism is a hydraulic clamp.
4. The high-speed aerorotor tip grinder of claim 2, wherein: the X-axis moving frame is provided with a third X-axis guide rail, the third X-axis guide rail is parallel to the X-axis guide rail, the third X-axis guide rail is provided with a supporting mechanism, the supporting mechanism comprises a third base movably connected with the third X-axis guide rail and a supporting frame fixed on the third base and used for supporting a product, and the supporting mechanism is located between the spindle head end mechanism and the spindle tail end mechanism.
5. The high-speed aerorotor tip grinder of claim 2, wherein: the driving main shaft is a special electric main shaft for high-power high-speed grinding.
6. The high-speed aerorotor tip grinder of claim 1, wherein: the grinding wheel mechanism comprises a second driving main shaft and a CBN grinding wheel arranged on the second driving main shaft.
7. The high-speed aerorotor tip grinder of claim 1, wherein: the optical measuring mechanism comprises a second Y-axis guide rail, a second Y-axis moving frame, a fifth driving mechanism and an optical measuring head; the second Y-axis guide rail is horizontally arranged along the longitudinal direction and fixed on a portal frame upright post, the second Y-axis moving frame is connected with the second Y-axis guide rail in a sliding mode, the fifth driving mechanism is fixed on the upright post and drives the second Y-axis moving frame to move on the second Y-axis guide rail, and the optical measuring head is fixed on the second Y-axis moving frame and arranged towards the direction of the spindle clamping mechanism.
8. The high-speed aerorotor tip grinder of claim 1, wherein: the multi-station grinding wheel warehouse is fixed on a portal frame upright post, and a plurality of grinding wheels with different angles are placed on the multi-station grinding wheel warehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121188756.5U CN214869461U (en) | 2021-05-31 | 2021-05-31 | High-speed aviation rotor blade tip grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121188756.5U CN214869461U (en) | 2021-05-31 | 2021-05-31 | High-speed aviation rotor blade tip grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214869461U true CN214869461U (en) | 2021-11-26 |
Family
ID=78935641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121188756.5U Active CN214869461U (en) | 2021-05-31 | 2021-05-31 | High-speed aviation rotor blade tip grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214869461U (en) |
-
2021
- 2021-05-31 CN CN202121188756.5U patent/CN214869461U/en active Active
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