CN216151127U - Cutting tool for finish machining of aero-engine crankshaft - Google Patents
Cutting tool for finish machining of aero-engine crankshaft Download PDFInfo
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- CN216151127U CN216151127U CN202122205591.4U CN202122205591U CN216151127U CN 216151127 U CN216151127 U CN 216151127U CN 202122205591 U CN202122205591 U CN 202122205591U CN 216151127 U CN216151127 U CN 216151127U
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- locking bolt
- finish machining
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Abstract
The utility model discloses a cutting knife for finish machining of an aero-engine crankshaft, wherein a cutting blade is fixedly connected to the front side surface of the tail end of the bottom of a first cutting knife body, a first locking bolt is connected between the first cutting knife body and the cutting blade in a threaded manner, a first locking nut is connected to the tail end of the first locking bolt in a threaded manner, and a pressing plate is fixedly connected to the front side surface of the bottom protruding end of the first cutting knife body, so that the problem that the traditional machine tool can finish the cutting and finish machining of different connecting sectors only by increasing a plurality of cutting paths when a single cutting knife body is used for cutting is solved, the cutting efficiency of the cutting knife for finish machining of the aero-engine crankshaft is improved, and the problem that the traditional cutting knife for finish machining of the aero-engine crankshaft cannot adjust the angle per se when the machine tool is put into use is solved, the cutting flexibility of the cutting knife for finish machining of the traditional aero-engine crankshaft is improved.
Description
Technical Field
The utility model belongs to the technical field of crankshaft finish machining, and particularly relates to a cutter for finish machining of a crankshaft of an aero-engine.
Background
The cutting tool is a tool used for cutting processing in mechanical manufacturing, the working part of the tool is a part for generating and processing chips, and comprises a cutting edge, a structure for breaking or rolling up the chips, a space for discharging or storing the chips, a channel of cutting fluid and other structural elements, the working part of some tools is a cutting part such as a turning tool, a plane cutter, a boring cutter, a milling cutter and the like, the working part of some tools comprises a cutting part and a calibration part such as a drill bit, a reamer, an inner surface broach, a screw tap and the like, the cutting part is used for cutting off the chips by using the cutting edge, and the calibration part is used for polishing a cut processing surface and guiding the tool.
When the traditional cutting knife for finish machining of the crank shaft of the aero-engine in the prior art is used for finish machining and cutting of the crank shaft of the aero-engine, the cutting knife is always in a single feed cutting working mode, the crank shaft of the aero-engine is provided with a plurality of connecting sectors, when the sectors need to be subjected to cutting finish machining, a plurality of cutting paths are increased by utilizing a single cutting knife body to cut, and then the cutting finish machining of different connecting sectors can be completed, the traditional cutting mode consumes quite a lot of labor hours, so that the production efficiency of the crank shaft of the aero-engine is reduced, and when the traditional cutting knife for finish machining of the crank shaft of the aero-engine in the prior art is used for finish machining of the crank shaft of the aero-engine, the cutting effective area of the knife in the cutting process is different due to different connecting angles of the different connecting sectors of the crank shaft of the aero-engine, namely, the angle of the traditional cutting knife for finish machining of the crank shaft of the aero-engine cannot be adjusted by the knife per se when the crank shaft of the aero-engine is put into use on a machine tool, the cutting flexibility of the traditional cutting knife for finish machining of the crankshaft of the aero-engine is low.
Therefore, in order to solve the technical problems, the technical personnel in the field provide a cutting tool for finishing the crank shaft of an aircraft engine.
SUMMERY OF THE UTILITY MODEL
In view of the disadvantages of the prior art, the present invention provides a cutting tool for finish machining of an aircraft engine crankshaft, comprising a first cutting tool body, and further comprising:
cutting insert: a cutting blade is arranged on the front side surface of the bottom tail end of the first cutting cutter body;
first locking bolt: a first locking bolt is connected between the first cutting cutter body and the cutting blade in a threaded manner;
a first lock nut: the tail end of the first locking bolt is in threaded connection with a first locking nut;
a pressing plate: the front side surface of the bottom protruding end of the first cutting cutter body is provided with a pressing plate;
a second locking bolt: a second locking bolt is in threaded connection between the first cutting cutter body and the pressing plate;
a second lock nut: the tail end of the second locking bolt is in threaded connection with a second locking nut;
connecting components: the side surface of the first cutting cutter body is fixedly connected with a connecting assembly;
a second cutting blade body: the tail end of the connecting component is fixedly connected with a second cutting cutter body;
connecting a nut: and a connecting nut is connected between the connecting component and the second cutting tool body through threads.
Preferably, the front side surface of the bottom end of the first cutting knife body is fixedly connected with a cutting blade, a first locking bolt is connected between the first cutting knife body and the cutting blade through threads, the tail end of the first locking bolt is connected with a first locking nut through threads, the front side surface of the bottom protruding end of the first cutting knife body is fixedly connected with a pressure plate, the first cutting knife body is connected with the pressure plate through a second locking bolt through threads, the tail end of the second locking bolt is connected with a second locking nut through threads, the side surface of the first cutting knife body is fixedly connected with one end of a connecting assembly, the other end of the connecting assembly is fixedly connected with a second cutting knife body, and a connecting nut is connected between the connecting assembly and the second cutting knife body through threads.
Preferably, the side surface of the first cutting cutter body is provided with a countersunk head connecting hole, and the inner side arc wall surface of the countersunk head connecting hole is provided with a spline groove.
Preferably, the connecting assembly comprises a connecting bolt, the two ends of the connecting bolt are in threaded connection with the opposite side faces of the first cutting cutter body and the second cutting cutter body, the connecting bolt is movably sleeved with the spline shaft, and the outer side face of the spline shaft is movably sleeved with the spacer bush.
Preferably, the first cutting cutter body and the second cutting cutter body are consistent in structure, countersunk connecting holes are formed in the opposite side faces of the first cutting cutter body and the second cutting cutter body, two ends of the spline shaft are fixedly sleeved with the countersunk connecting holes, and the side key protrusions of the spline shaft are embedded with the spline grooves.
Preferably, the tail end of the connecting bolt is in threaded connection with the connecting nut, the connecting bolt is in clearance fit with the spline shaft, and the spline shaft and the spacer bush are equal in length.
Compared with the prior art, the utility model has the following beneficial effects:
1. the side surface of the first cutting cutter body of the cutter for finely machining the crank shaft of the aero-engine can be additionally provided with the second cutting cutter body through the connecting component, the first cutting cutter body and the second cutting cutter body are consistent in structure, different connecting sectors of the crank shaft of the aero-engine can be finely machined through the cooperative feeding cutting of the first cutting cutter body and the second cutting cutter body, the first cutting cutter body and the second cutting cutter body can be kept in a stable state through the embedded connection of the spline shaft and the spline groove, the connecting space between the first cutting cutter body and the second cutting cutter body can be adjusted by replacing the connecting components with different sizes, the synchronous cutting and finely machining of the crank shaft sectors of the aero-engine with different sizes can be realized through the mode, and the problem that the traditional machine tool can finish the cutting and the finely machining of different connecting sectors only by adding a plurality of cutting paths through utilizing a single cutting cutter body is solved, the cutting efficiency of the cutter for finish machining of the crankshaft of the aircraft engine is improved.
2. When the cutting knife for finish machining of the crankshaft of the aero-engine is used for cutting and finish machining different connecting sectors of the crankshaft of the aero-engine, the connecting angle between the first cutting knife body and the second cutting knife body is changed by rotating the embedded angle between the spline shaft and the spline groove for the crankshaft sectors with different connecting angles, and the cutting knife for finish machining of the crankshaft of the aero-engine can synchronously and effectively cut the crankshaft sectors with different connecting angles by changing the connecting angle between the first cutting knife body and the second cutting knife body.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic structural view of the first cutting insert body of the present embodiment;
FIG. 3 is a schematic view of the spline shaft structure of the present embodiment;
fig. 4 is a schematic view of the connection assembly of the present embodiment.
Description of reference numerals: 1. a first cutting blade body; 2. a cutting insert; 3. a first locking bolt; 4. a first lock nut; 5. a compression plate; 6. a second locking bolt; 7. a second lock nut; 8. a connecting assembly; 9. a second cutting blade body; 10. a connecting nut; 101. countersunk connecting holes; 102. a spline groove; 801. a connecting bolt; 802. a spline shaft; 803. and (4) a spacer bush.
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. 1-4, the present invention provides a technical solution: a cutting insert for finishing an aircraft engine crankshaft, comprising a first cutting insert body 1, and further comprising:
the cutting insert 2: the front side surface of the bottom end of the first cutting cutter body 1 is provided with a cutting blade 2;
first locking bolt 3: a first locking bolt 3 is connected between the first cutting tool body 1 and the cutting tool 2 in a threaded manner;
first lock nut 4: the tail end of the first locking bolt 3 is in threaded connection with a first locking nut 4;
a pressing plate 5: the front side surface of the bottom protruding end of the first cutting cutter body 1 is provided with a pressing plate 5;
second lock bolt 6: a second locking bolt 6 is in threaded connection between the first cutting tool body 1 and the pressing plate 5;
second lock nut 7: the tail end of the second locking bolt 6 is in threaded connection with a second locking nut 7;
connecting assembly 8: the side surface of the first cutting tool body 1 is fixedly connected with a connecting assembly 8;
the second cutting blade body 9: the tail end of the connecting component 8 is fixedly connected with a second cutting cutter body 9;
the connecting nut 10: a coupling nut 10 is threadedly coupled between the coupling assembly 8 and the second cutting blade body 9.
A cutting blade 2 is fixedly connected to the front side surface of the bottom end of a first cutting blade body 1, a first locking bolt 3 is in threaded connection between the first cutting blade body 1 and the cutting blade 2, a first locking nut 4 is in threaded connection with the end of the first locking bolt 3, a pressure plate 5 is fixedly connected to the front side surface of the bottom protruding end of the first cutting blade body 1, the first cutting blade body 1 and the pressure plate 5 are in threaded connection through a second locking bolt 6, a second locking nut 7 is in threaded connection with the end of the second locking bolt 6, one end of a connecting assembly 8 is fixedly connected to the side surface of the first cutting blade body 1, a second cutting blade body 9 is fixedly connected to the other end of the connecting assembly 8, a connecting nut 10 is in threaded connection between the connecting assembly 8 and the second cutting blade body 9, the pressure plate 5 achieves the effect of pressing the cutting blade 2, and the cutting blade 2 achieves the effect of cutting a crankshaft in high-speed rotation, the connecting assembly 8 realizes the connecting effect between the first cutting cutter body 1 and the second cutting cutter body 9, the connecting nut 10 realizes the locking effect between the connecting assembly 8 and the second cutting cutter body 9, the side surface of the first cutting cutter body 1 is provided with a countersunk head connecting hole 101, the inner side arc wall surface of the countersunk head connecting hole 101 is provided with a spline groove 102, the structure realizes the embedding effect between the first cutting cutter body 1 and the spline shaft 802, the connecting assembly 8 comprises a connecting bolt 801, both ends of the connecting bolt 801 are in threaded connection with the opposite side surfaces of the first cutting cutter body 1 and the second cutting cutter body 9, the connecting bolt 801 is movably sleeved with the spline shaft 802, the outer side surface of the spline shaft 802 is movably sleeved with a spacer 803, the first cutting cutter body 1 and the second cutting cutter body 9 can be kept in a stable state through the embedding connection between the spline shaft 802 and the spline groove 102, the connecting distance between the first cutting cutter body 1 and the second cutting cutter body 9 can be adjusted by replacing the connecting assembly 8 with different sizes, the synchronous cutting fine machining of the crank shaft sectors of the aero-engine with different sizes can be realized by the mode, the first cutting cutter body 1 and the second cutting cutter body 9 are consistent in structure, the opposite side surfaces of the first cutting cutter body 1 and the second cutting cutter body 9 are respectively provided with the countersunk head connecting hole 101, two ends of the spline shaft 802 are fixedly sleeved with the countersunk head connecting holes 101, the side key protrusions of the spline shaft 802 are mutually embedded with the spline grooves 102, the connecting angle between the first cutting cutter body 1 and the second cutting cutter body 9 is changed by rotating the embedding angle between the spline shaft 802 and the spline grooves 102, the cutting cutter for the crank shaft fine machining of the aero-engine can synchronously and effectively cut the crank shaft sectors with different connecting angles by changing the connecting angle between the first cutting cutter body 1 and the second cutting cutter body 9, the tail end of the connecting bolt 801 is in threaded connection with the connecting nut 10, and the connecting bolt 801 and the spline shaft 802 are in clearance fit, the lengths of the spline shaft 802 and the spacer 803 are equal, and the structure explains the matching relationship among the connecting bolt 801, the spline shaft 802 and the spacer 803, so that the effect of convenient replacement and use is realized.
When the fine machining cutter for the crank shaft of the aero-engine is in work, firstly, the cutter for the fine machining of the crank shaft of the aero-engine is installed on a machine tool, when the crank shaft of the aero-engine is subjected to fine machining, different connecting sectors of the crank shaft of the aero-engine can be subjected to fine machining through the cooperative feed cutting of the first cutter body 1 and the second cutter body 9, the first cutter body 1 and the second cutter body 9 can be kept in a stable state through the embedded connection of the spline shaft 802 and the spline groove 102, the connecting distance between the first cutter body 1 and the second cutter body 9 can be adjusted through replacing the connecting assemblies 8 with different sizes, synchronous fine machining of the crank sectors of the crank shaft of the aero-engine with different sizes can be realized through the mode, the connecting angle between the first cutter body 1 and the second cutter body 9 can be changed through rotating the embedded angle between the spline shaft 802 and the spline groove 102, and the connecting angle between the first cutter body 1 and the second cutter body 9 can be changed through changing The cutting tool for finish machining of the shaft synchronously and effectively cuts the crankshaft sectors with different connection angles, so that the one-time cutting using method of the cutting tool for finish machining of the crankshaft of the aero-engine is completed.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. A cutter for finish machining of an aircraft engine crankshaft, comprising a first cutter body (1), characterized by further comprising:
cutting insert (2): the front side surface of the bottom tail end of the first cutting cutter body (1) is provided with a cutting blade (2);
first locking bolt (3): a first locking bolt (3) is connected between the first cutting knife body (1) and the cutting blade (2) in a threaded manner;
first lock nut (4): the tail end of the first locking bolt (3) is in threaded connection with a first locking nut (4);
compacting plate (5): the front side surface of the bottom protruding end of the first cutting cutter body (1) is provided with a pressing plate (5);
second locking bolt (6): a second locking bolt (6) is in threaded connection between the first cutting cutter body (1) and the pressing plate (5);
second lock nut (7): the tail end of the second locking bolt (6) is in threaded connection with a second locking nut (7);
connection assembly (8): the side surface of the first cutting knife body (1) is fixedly connected with a connecting assembly (8);
second cutting blade body (9): the tail end of the connecting component (8) is fixedly connected with a second cutting cutter body (9);
coupling nut (10): and a connecting nut (10) is in threaded connection between the connecting component (8) and the second cutting cutter body (9).
2. A cutting insert for the finish machining of an aircraft engine crankshaft as claimed in claim 1, wherein: the front side surface of the bottom end of the first cutting knife body (1) is fixedly connected with a cutting blade (2), a first locking bolt (3) is connected between the first cutting knife body (1) and the cutting blade (2) in a threaded manner, the tail end of the first locking bolt (3) is connected with a first locking nut (4) through a thread, the front side surface of the bottom protruding end of the first cutting knife body (1) is fixedly connected with a pressing plate (5), the first cutting knife body (1) is in threaded connection with the pressing plate (5) through a second locking bolt (6), the tail end of the second locking bolt (6) is connected with a second locking nut (7) through threads, one end of the connecting component (8) is fixedly connected with the side surface of the first cutting cutter body (1), the other end of the connecting component (8) is fixedly connected with a second cutting knife body (9), and a connecting nut (10) is in threaded connection between the connecting component (8) and the second cutting cutter body (9).
3. A cutting insert for the finish machining of an aircraft engine crankshaft as claimed in claim 1, wherein: the side surface of the first cutting cutter body (1) is provided with a countersunk head connecting hole (101), and the inner side arc wall surface of the countersunk head connecting hole (101) is provided with a spline groove (102).
4. A cutting insert for the finish machining of an aircraft engine crankshaft as claimed in claim 3, wherein: the connecting assembly (8) comprises a connecting bolt (801), the two ends of the connecting bolt (801) are in threaded connection with the opposite side faces of the first cutting tool body (1) and the second cutting tool body (9), the connecting bolt (801) is movably sleeved with a spline shaft (802), and the outer side face of the spline shaft (802) is movably sleeved with a spacer bush (803).
5. A cutting insert for the finish machining of an aircraft engine crankshaft as claimed in claim 4, wherein: the structure of the first cutting cutter body (1) is consistent with that of the second cutting cutter body (9), countersunk head connecting holes (101) are formed in the opposite side faces of the first cutting cutter body (1) and the second cutting cutter body (9), two ends of the spline shaft (802) are fixedly sleeved with the countersunk head connecting holes (101), and the side key protrusions of the spline shaft (802) are embedded with the spline grooves (102).
6. A cutting insert for the finish machining of an aircraft engine crankshaft as claimed in claim 4, wherein: the tail end of the connecting bolt (801) is in threaded connection with the connecting nut (10), the connecting bolt (801) is in clearance fit with the spline shaft (802), and the spline shaft (802) and the spacer bush (803) are equal in length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122205591.4U CN216151127U (en) | 2021-09-13 | 2021-09-13 | Cutting tool for finish machining of aero-engine crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122205591.4U CN216151127U (en) | 2021-09-13 | 2021-09-13 | Cutting tool for finish machining of aero-engine crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216151127U true CN216151127U (en) | 2022-04-01 |
Family
ID=80848956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122205591.4U Active CN216151127U (en) | 2021-09-13 | 2021-09-13 | Cutting tool for finish machining of aero-engine crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216151127U (en) |
-
2021
- 2021-09-13 CN CN202122205591.4U patent/CN216151127U/en active Active
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