CN106217076B - A kind of radial-flow type rotating shaft of supercharger turbine fixture and closure gasket groove processing method - Google Patents
A kind of radial-flow type rotating shaft of supercharger turbine fixture and closure gasket groove processing method Download PDFInfo
- Publication number
- CN106217076B CN106217076B CN201610687993.3A CN201610687993A CN106217076B CN 106217076 B CN106217076 B CN 106217076B CN 201610687993 A CN201610687993 A CN 201610687993A CN 106217076 B CN106217076 B CN 106217076B
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- Prior art keywords
- rotating shaft
- fixture
- supercharger turbine
- turbine
- closure gasket
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supercharger (AREA)
Abstract
The present invention relates to a kind of radial-flow type rotating shaft of supercharger turbine fixture, the fixture has the through hole mutually assembled with rotating shaft of supercharger turbine, there is the internal thread mutually assembled with rotating shaft of supercharger turbine in one end of the through hole of the fixture, there is annular groove between the threaded portion and smooth part of the Folder through-holes, one end of the fixture is useful for the annular convex platform on cylindrical end where being stuck in rotating shaft of supercharger turbine closure gasket groove, has on the outside of the fixture for assembling the hexagonal clamping boss used.The fixture is assembled together with rotating shaft of supercharger turbine, and is screwed by screw thread, realizes being locked between fixture and rotating shaft of supercharger turbine.The processing quality of rotating shaft of supercharger turbine closure gasket groove can be effectively improved with the rotating shaft of supercharger turbine fixture and closure gasket groove processing method.
Description
Technical field
The invention belongs to turbocharger manufacture field, and in particular to a kind of radial-flow type rotating shaft of supercharger turbine fixture with it is close
Seal ring groove processing method.
Background technology
Radial-flow type rotating shaft of supercharger turbine is the pass of diesel engine for automobile turbocharger and marine diesel turbocharger
Key building block, is formed by connecting by radial flow turbine wheel and shaft.At present, the turbine wheel of Turbochargers in Diesel Engines is universal
Using cast nickel-base alloy K418 materials, shaft uses 42CrMo alloy steel materials.In general, rotating shaft of supercharger turbine uses
Friction welding or electro-beam welding process realize the connection of turbine wheel and shaft, then carry out sealing ring in turbine shaft again
The processing of groove.
However, since the density of material of nickel base superalloy K418 is larger, the booster turbine leaf that is manufactured by K418 alloys
It is also larger to take turns rotary inertia, causes the transient response of exhaust gas turbocharge engine poor.To reduce turning for turbocharger
Dynamic inertia, improves the transient response of turbocharged engine, booster turbine impeller can use the higher ceramics of specific strength,
The materials such as titanium-aluminium alloy.For example, the density of titanium-aluminium alloy is only 3.9 × 103kg/m3, while again have good high-temperature behavior and
Antioxygenic property, the booster turbine impeller manufactured with titanium-aluminium alloy, the rotation that turbocharger rotor can be greatly reduced are used to
Amount.
But if with ceramics, titanium-aluminium alloy when new material manufactures booster turbine impeller, since ceramics, titanium aluminium close
The materials such as gold are more crisp, and collapsing for closure gasket groove is easily caused using existing rotating shaft of supercharger turbine closure gasket groove processing method
Split, the processing quality of closure gasket groove cannot be guaranteed, and seriously affect the sealing effect at booster turbine end.Therefore, for using
The booster turbine impeller of the new materials such as ceramics, titanium-aluminium alloy manufacture, is carrying out the processing of rotating shaft of supercharger turbine closure gasket groove
When, it is necessary to using suitable turbine shaft fixture and closure gasket groove processing method, to ensure the processing of turbine shaft closure gasket groove
Quality.
The content of the invention
The present invention be directed to rotating shaft of supercharger turbine processing problems, propose a kind of radial-flow type rotating shaft of supercharger turbine fixture with
Closure gasket groove processing method.According to the parameters of structural dimension of rotating shaft of supercharger turbine, rotating shaft of supercharger turbine fixture is rationally designed
Structure size, and process rotating shaft of supercharger turbine fixture；Secure fixtures on rotating shaft of supercharger turbine, and revolved by screw thread
Consolidation is now locked；Then the processing of rotating shaft of supercharger turbine closure gasket groove is carried out again.In rotating shaft of supercharger turbine closure gasket groove
In process, the processing matter of rotating shaft of supercharger turbine closure gasket groove can be effectively improved using the fixture and processing technology
Amount.
Technical scheme：
A kind of radial-flow type rotating shaft of supercharger turbine fixture, the fixture is equipped with to be led to what rotating shaft of supercharger turbine matched
Hole, one end of the through hole are equipped with the internal thread to match with the external screw thread on rotating shaft of supercharger turbine, the interior spiral shell of the through hole
Transition annular groove is equipped between line part and smooth part, the other end of the through hole, which is equipped with, to be used to be stuck in rotating shaft of supercharger turbine
Closure gasket groove where annular convex platform on cylindrical end, the outside of the fixture is equipped with the hexagonal clamping boss used for assembling.
The fixture is used to be assembled together with rotating shaft of supercharger turbine, and is screwed by screw thread and realize the same rotating shaft of supercharger turbine of fixture
Between be locked.The internal thread that the external screw thread of the fixture and rotating shaft of supercharger turbine mutually assembles is self-locking thread.It is described
The annular cylinder and hang down with annular cylinder that the annular convex platform of fixture is in contact with cylinder where rotating shaft of supercharger turbine closure gasket groove
Be equipped between straight bottom surface the annular convex platform of 270 ° of knuckles inwards or fixture with rotating shaft of supercharger turbine sealing ring
The annular cylinder that cylinder where groove is in contact is equipped with the annular groove that the side bottom surface vertical with annular cylinder mutually maintains an equal level.It is described
Chamfer dimesion of the through hole of fixture close to one end of rotating shaft of supercharger turbine closure gasket groove is more than rotating shaft of supercharger turbine sealing ring
The size of cylinder and shaft knuckle where groove.
A kind of radial-flow type rotating shaft of supercharger turbine closure gasket groove processing method, comprises the following steps：
A, the structure size of rotating shaft of supercharger turbine fixture is determined：According to the rotating shaft of supercharger turbine of closure gasket groove to be processed
Structure size, determine the structure size of rotating shaft of supercharger turbine fixture；
B, fixture and the threaded tightening force square of rotating shaft of supercharger turbine assembling are determined：According to rotating shaft of supercharger turbine and fixture
Structure size and closure gasket groove process when cutting parameter, determine that screw thread when fixture is assembled with rotating shaft of supercharger turbine is twisted
Clamp force square；
C, the processing of rotating shaft of supercharger turbine fixture：The clamp structure dimensional parameters determined according to step a, carry out booster
The processing of turbine shaft fixture；
D, the externally threaded processing of rotating shaft of supercharger turbine：Pressure is installed on the rotating shaft of supercharger turbine of closure gasket groove to be processed
One end threading of compressor wheel；
E, fixture is installed on rotating shaft of supercharger turbine：What is processed in the fixture and step d processed in step c
Rotating shaft of supercharger turbine is assembled together, and the threaded tightening force square determined according to step b is to fixture and rotating shaft of supercharger turbine
It is locked；
F, the processing of rotating shaft of supercharger turbine closure gasket groove：The booster turbine that fixture installation has been completed in step e is turned
Axis carries out the processing of closure gasket groove；
G, the dismounting between fixture and rotating shaft of supercharger turbine：Fixture has been completed to closure gasket groove processing from step f
Disassembled on rotating shaft of supercharger turbine.
The beneficial effect of present clip and closure gasket groove processing method is：
The radial-flow type rotating shaft of supercharger turbine fixture of invention and closure gasket groove processing method, by rotating shaft of supercharger turbine
Upper installs fixture, can significantly increase the rigidity of rotating shaft of supercharger turbine, avoid rotating shaft of supercharger turbine in closure gasket groove
Flutter occurs in process, the processing quality of rotating shaft of supercharger turbine closure gasket groove can be effectively improved.
The internal thread that fixture is mutually assembled with rotating shaft of supercharger turbine is self-locking thread, can prevent fixture and booster turbine
Shaft loosens in closure gasket groove process.
There is transition annular groove between the threaded portion and smooth part of Folder through-holes, in order to the processing of internal thread.
One end of fixture is useful for the annular convex platform on cylindrical end where being stuck in rotating shaft of supercharger turbine closure gasket groove, can
Strengthen rigidity of the rotating shaft of supercharger turbine after installs fixture.
The annular cylinder and bottom surface that the annular convex platform of fixture is in contact with cylinder where rotating shaft of supercharger turbine closure gasket groove
Between have the annular convex platform of 270 ° of knuckles inwards or fixture with rotating shaft of supercharger turbine closure gasket groove where cylinder
The annular cylinder being in contact is equipped with the annular groove that the side bottom surface vertical with annular cylinder mutually maintains an equal level, and fixture can be made annular
Boss with realization between the annular cylinder of cylinder where rotating shaft of supercharger turbine closure gasket groove and bottom surface, preferably fix by contact.
Folder through-holes are close more than rotating shaft of supercharger turbine close to one end chamfer dimesion of rotating shaft of supercharger turbine closure gasket groove
The size of cylinder and shaft knuckle where seal ring groove, can make fixture with cylinder where rotating shaft of supercharger turbine closure gasket groove
Good contact is realized between one side end face of shaft.
Brief description of the drawings
Fig. 1 is mounting structure schematic diagram of the fixture described in the embodiment of the present invention on rotating shaft of supercharger turbine.
Fig. 2 is clamp structure schematic diagram of the embodiment of the present invention.
Fig. 3 is another clamp structure schematic diagram of the embodiment of the present invention.
Fig. 4 is the partial enlarged view of Fig. 2.
Fig. 5 is clamp structure schematic diagram of the embodiment of the present invention.
1 fixture, 2 rotating shaft of supercharger turbine, 3 transition annular grooves, 4 annular convex platform, 5 hexagonal clamping boss, 6 internal threads, 7 mistakes
Cross fillet, 8 annular grooves
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
A kind of radial-flow type rotating shaft of supercharger turbine fixture of the present embodiment, as shown in Fig. 1 to 2, the fixture 1 is equipped with and supercharging
The through hole that device turbine shaft 1 matches, one end of the through hole are equipped with what is matched with the external screw thread on rotating shaft of supercharger turbine 2
Internal thread 6, is equipped with transition annular groove 3 between the female thread portion and smooth part of the through hole, the other end of the through hole is set
The annular convex platform 4 being useful on cylindrical end where being stuck in the closure gasket groove of rotating shaft of supercharger turbine 2, as shown in figure 3, the fixture
1 outside is equipped with for assembling the hexagonal clamping boss 5 used.
The internal thread 6 that the external screw thread of the fixture 1 and rotating shaft of supercharger turbine 2 mutually assembles is self-locking thread.
As shown in figure 4, the annular convex platform 4 of the fixture 1 is in contact with cylinder where 2 closure gasket groove of rotating shaft of supercharger turbine
Annular cylinder and the bottom surface vertical with annular cylinder between be equipped with knuckle 7 inwards；Or the as shown in figure 5, folder
It is same that the annular convex platform 4 of tool 1 is equipped with side on the annular cylinder being in contact with cylinder where 2 closure gasket groove of rotating shaft of supercharger turbine
The annular groove 8 that the bottom surface vertical with annular cylinder mutually maintains an equal level.
Chamfer dimesion of the through hole of the fixture 1 close to one end of 2 closure gasket groove of rotating shaft of supercharger turbine is more than booster
The size of cylinder and shaft knuckle where 2 closure gasket groove of turbine shaft.
A kind of processing method of radial-flow type rotating shaft of supercharger turbine closure gasket groove of the present embodiment, comprises the following steps：
A, according to the structure size of the rotating shaft of supercharger turbine 2 of closure gasket groove to be processed, the structure ruler of above-mentioned fixture 1 is determined
It is very little；
A diameter of Ф 14.2mm of the present embodiment rotating shaft of supercharger turbine 2, cylinder where turbine shaft closure gasket groove
A diameter of Ф 27mm, the externally threaded dimensional parameters that rotating shaft of supercharger turbine 2 installs one end of compressor impeller are M14 × 1-
P6p6, cylinder and shaft knuckle are R2 where turbine shaft closure gasket groove；According to the structure ruler of rotating shaft of supercharger turbine 2
Very little, the through-hole diameter of definite fixture 1 is Ф 14.2mm, and Folder through-holes one end and the external screw thread of rotating shaft of supercharger turbine 2 mutually fill
The dimensional parameters for the internal thread 6 matched somebody with somebody are M14 × 1-H7H7, the annular groove between the female thread portion and smooth part of Folder through-holes
3 a diameter of Ф 18mm, width 8mm, the other end of fixture 1 are used to be stuck in where the closure gasket groove of rotating shaft of supercharger turbine 2
The internal diameter of annular convex platform 4 on cylindrical end is Ф 27mm, and the outside diameter of fixture 1 is Ф 40mm, and the annular convex platform 4 of fixture 1 is with being pressurized
270 ° of knuckles 7 between annular cylinder that cylinder where the closure gasket groove of device turbine shaft 2 is in contact and bottom surface are R2 °,
The through hole of fixture 1 is 2.5 × 45 ° close to one end chamfer dimesion of the closure gasket groove of rotating shaft of supercharger turbine 2；
B, the threaded tightening force square that fixture 1 is assembled with rotating shaft of supercharger turbine 2 is determined：
Cutting when specially being processed according to the structure size and closure gasket groove of rotating shaft of supercharger turbine 2 and fixture 1 is joined
Number, determines threaded tightening force square when fixture 1 is assembled with rotating shaft of supercharger turbine 2；
C, the processing of rotating shaft of supercharger turbine fixture：
According to the parameters of structural dimension of the step a fixtures 1 determined, the processing of fixture 1 is carried out；
D, the externally threaded processing of rotating shaft of supercharger turbine 2：Pacify on the rotating shaft of supercharger turbine 2 of closure gasket groove to be processed
Fill one end threading of compressor impeller；
E, fixture 1 is installed on rotating shaft of supercharger turbine 2：Being processed in the fixture 1 and step d processed in step c
Good rotating shaft of supercharger turbine 2 is assembled together, and the threaded tightening force square determined according to step b is to fixture 1 and booster whirlpool
Wheel shaft 2 is locked；
F, the processing of the closure gasket groove of rotating shaft of supercharger turbine 2：Booster whirlpool to having completed the installation of fixture 1 in step e
Take turns the processing that shaft 2 carries out closure gasket groove；
G, the dismounting between fixture 1 and rotating shaft of supercharger turbine 2：Fixture 1 has been completed to closure gasket groove processing from step f
Rotating shaft of supercharger turbine 2 on disassemble.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (2)
1. a kind of processing method of radial-flow type rotating shaft of supercharger turbine closure gasket groove, comprises the following steps：
A, according to the size of rotating shaft of supercharger turbine (2), the structure size of fixture (1) is determined；
B, fixture (1) and the threaded tightening force square of rotating shaft of supercharger turbine (2) assembling are determined；
C, the processing of rotating shaft of supercharger turbine fixture (1)；
D, the externally threaded processing of rotating shaft of supercharger turbine (2)；
E, fixture (1) is installed on rotating shaft of supercharger turbine (2)；
F, the processing of the closure gasket groove on rotating shaft of supercharger turbine (2)；
G, the dismounting between fixture (1) and rotating shaft of supercharger turbine (2)；
Wherein, the structure of fixture (1) described in step a is：
The fixture (1) is equipped with the through hole to match with rotating shaft of supercharger turbine (2), and one end of the through hole is equipped with and booster
The internal thread (6) that external screw thread in turbine shaft (2) matches, is equipped between the female thread portion and smooth part of the through hole
Transition annular groove (3), the other end of the through hole are equipped with the closure gasket groove place cylinder for being used to be stuck in rotating shaft of supercharger turbine (2)
Annular convex platform (4) on end, the outside of the fixture (1) are equipped with for assembling the hexagonal clamping boss (5) used；The fixture
(1) it is assembled together for same rotating shaft of supercharger turbine (2), and is screwed by screw thread and realize that fixture (1) turns with booster turbine
Being locked between axis (2)；The internal thread (6) that the external screw thread of the fixture (1) and rotating shaft of supercharger turbine (2) mutually assembles is
Self-locking thread；The annular convex platform (4) of the fixture (1) is in contact with cylinder where rotating shaft of supercharger turbine (2) closure gasket groove
270 ° of knuckles (7) inwards or the annular of fixture (1) are equipped between annular cylinder and the bottom surface vertical with annular cylinder
Boss (4) be equipped with where rotating shaft of supercharger turbine (2) closure gasket groove on the annular cylinder that is in contact of cylinder side with and ring
The annular groove (8) that the vertical bottom surface of shape cylinder mutually maintains an equal level；The through hole of the fixture (1) is sealed close to rotating shaft of supercharger turbine (2)
The ruler of cylinder and shaft knuckle where the chamfer dimesion of one end of annular groove is more than rotating shaft of supercharger turbine (2) closure gasket groove
It is very little.
2. a kind of processing method of radial-flow type rotating shaft of supercharger turbine closure gasket groove according to claim 1, its feature exist
In：In stepb, it is close according to rotating shaft of supercharger turbine (2) and the structure size and rotating shaft of supercharger turbine (2) of fixture (1)
Cutting parameter during seal ring groove processing, determines threaded tightening force square when fixture (1) is assembled with rotating shaft of supercharger turbine (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687993.3A CN106217076B (en) | 2016-08-17 | 2016-08-17 | A kind of radial-flow type rotating shaft of supercharger turbine fixture and closure gasket groove processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687993.3A CN106217076B (en) | 2016-08-17 | 2016-08-17 | A kind of radial-flow type rotating shaft of supercharger turbine fixture and closure gasket groove processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106217076A CN106217076A (en) | 2016-12-14 |
| CN106217076B true CN106217076B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610687993.3A Active CN106217076B (en) | 2016-08-17 | 2016-08-17 | A kind of radial-flow type rotating shaft of supercharger turbine fixture and closure gasket groove processing method |
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| CN (1) | CN106217076B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944517B (en) * | 2021-11-10 | 2023-12-19 | 北京动力机械研究所 | Rotor sealing structure of local supercharged radial-flow turbocharging system |
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|---|---|---|---|---|
| CN102229072A (en) * | 2011-06-20 | 2011-11-02 | 无锡科博增压器有限公司 | Turbine shaft grinding clamp |
| CN202147207U (en) * | 2011-06-20 | 2012-02-22 | 无锡科博增压器有限公司 | Fine grinding fixture for turbine shafts |
| CN202655967U (en) * | 2012-05-29 | 2013-01-09 | 河南航天精工制造有限公司 | Fixture for clamping external threaded shaft and sleeve workpieces |
| CN102962707A (en) * | 2012-11-18 | 2013-03-13 | 无锡明珠增压器制造有限公司 | Cutting processing clamp for turbine rotor shaft groove |
| CN205101283U (en) * | 2015-10-28 | 2016-03-23 | 长城汽车股份有限公司 | Turbo charger's compressor end seal structure , turbo charger and car |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6071138A (en) * | 1983-09-27 | 1985-04-23 | Aisin Seiki Co Ltd | Method of machining ceramic turbine rotor |
-
2016
- 2016-08-17 CN CN201610687993.3A patent/CN106217076B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229072A (en) * | 2011-06-20 | 2011-11-02 | 无锡科博增压器有限公司 | Turbine shaft grinding clamp |
| CN202147207U (en) * | 2011-06-20 | 2012-02-22 | 无锡科博增压器有限公司 | Fine grinding fixture for turbine shafts |
| CN202655967U (en) * | 2012-05-29 | 2013-01-09 | 河南航天精工制造有限公司 | Fixture for clamping external threaded shaft and sleeve workpieces |
| CN102962707A (en) * | 2012-11-18 | 2013-03-13 | 无锡明珠增压器制造有限公司 | Cutting processing clamp for turbine rotor shaft groove |
| CN205101283U (en) * | 2015-10-28 | 2016-03-23 | 长城汽车股份有限公司 | Turbo charger's compressor end seal structure , turbo charger and car |
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| Publication number | Publication date |
|---|---|
| CN106217076A (en) | 2016-12-14 |
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