CN207823986U - A kind of turbine shaft assembly nose centre bore processing clamping tool - Google Patents
A kind of turbine shaft assembly nose centre bore processing clamping tool Download PDFInfo
- Publication number
- CN207823986U CN207823986U CN201721918367.7U CN201721918367U CN207823986U CN 207823986 U CN207823986 U CN 207823986U CN 201721918367 U CN201721918367 U CN 201721918367U CN 207823986 U CN207823986 U CN 207823986U
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- CN
- China
- Prior art keywords
- claw
- chuck
- limit base
- shaped
- shaft assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of turbine shaft assembly nose centre bores to process clamping tool, it includes scroll chuck component that the turbine shaft assembly nose centre bore, which processes clamping tool, the scroll chuck component includes chuck and 3 claws, the chuck is disposed radially 3 I-shaped slots, each I-shaped slot is spaced 60 ° of settings on chuck, it is disposed radially clamping boss in the middle part of the side wall of each I-shaped slot, the middle part setting inserting groove compatible with clamping boss of each claw, so that each claw can be inserted into the I-shaped slot, the centrally disposed central shaft hole passed through suitable for turbine wheel shaft of the chuck；It further include the limit base of 3 same structures, each limit base includes the curved wall and bottom wall being wholely set, so that the section of limit base is L-shaped, link block is arranged in the side-wall outer side of each limit base, each limit base is fixedly linked through link block and claw when assembly, so that after each claw is inserted into corresponding inserting groove, each limit base forms a circular base.
Description
Technical field
The utility model is related to Impeller Machining equipment technical field, especially a kind of turbine shaft assembly nose center hole machined
Clamping tool.
Background technology
Turbocharger is to drive the turbine rotation acting in turbine, turbine using the high-temp waste gas of engine discharge
Axis drives the impeller high speed rotation in coaxial connected compressor, and compressed air, is supplied to engine high pressure, height in eccentric fashion
Density air.Turbine shaft assembly is important component therein, and existing turbine shaft assembly includes turbine wheel shaft and is placed in turbine wheel shaft top
Multiple blades at end need at the top nose of turbine wheel shaft that centre bore is arranged, which is shaft-like workpiece in top upper installation
Positioning basal plane.60 ° of taper holes of centre bore with it is top on 60 ° of conical surfaces match；The small sircle hole of inner end, to ensure taper hole and top
Sharp conical surface cooperation is proper, and can store a small amount of lubricating oil（Butter）.Centre bore is typically as technological datum, related work in processing
Sequence all with location and installation, reach unifying datum to ensure the positional precision between each machined surface（Such as concentricity）.
Centre bore common are A types and Type B.A type centre bores only have 60 ° of taper holes.120 ° of conical surfaces of Type B center outer end of hole are again
Claim the protection conical surface, to protect the outer rim of 60 ° of taper holes not broken.A types and Type B centre bore, are existed with corresponding centre drill respectively
It is processed on lathe or special purpose machine tool.
Machining center hole is all to carry out Set and Positioning using scroll chuck on numerically controlled lathe or center lathe at present.By
It is casting material in turbine, internal soundness is uneven, and to turbine center, there are one offsets, and that Vehicle Processing comes out is the several of turbine
What center, is not the mass centre of turbine；For a large amount of workpiece when rear road dynamic balancing produces, amount of unbalance exceeds drawing requirement,
Defective work increases significantly.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of simple in structure, wieldy turbine shaft assembly noses
Centre bore processes clamping tool.
In order to solve the above technical problems, turbine shaft assembly nose centre bore provided by the utility model processes clamping tool,
Including scroll chuck component, the scroll chuck component includes chuck and 3 claws, and the chuck is disposed radially 3 I-shapeds
Slot, each I-shaped slot are spaced 60 ° of settings on chuck, clamping boss are disposed radially in the middle part of the side wall of each I-shaped slot, each claw
Inserting groove compatible with clamping boss is arranged in middle part, so that each claw can be inserted into the I-shaped slot, the center of the chuck is set
Set the central shaft hole passed through suitable for turbine wheel shaft；Further include the limit base of 3 same structures, each limit base includes the arc being wholely set
Shape side wall and bottom wall, so that the section of limit base is L-shaped, the side-wall outer side of each limit base is arranged link block, and when assembly respectively limits
Seat is fixedly linked through link block and claw, so that after each claw is inserted into corresponding inserting groove, each limit base forms a circular base, whirlpool
The bottom end of axle assembly blade is supported by bottom wall, and the outside of blade carries out package limit by side wall, and turbine wheel shaft is inserted into center
Axis hole tilts when turbine shaft assembly being avoided to assemble.
Further, each claw setting stage portion is so that the L-shaped setting in claw section, the interior wedge shape of inner end setting of each claw
Portion, outer wedge-shaped part is arranged in the outboard end of each claw can be by outer wedge-shaped part or interior wedge shape when so that the claw sliding in chuck
Portion is oriented to；Each claw is inserted into the chuck backward step portion and is arranged higher than the top surface of the chuck, when assembly the bottom wall of limit base and
Link block is placed in the upper end of the stage portion, claw be inserted into after the chuck between bottom wall lower face and the top surface of chuck there are
Gap.
The technique effect of utility model：The turbine shaft assembly nose centre bore of the utility model processes clamping tool, relatively
In in the prior art, being matched with claw using limit base so that limit base forms a circular base after claw is inserted into chuck,
The centrally disposed central shaft hole of chuck so that the turbine wheel shaft of turbine shaft assembly can be inserted into central shaft hole, while the bottom end of blade by
The bottom wall of circular base is supported, and the lateral surface of blade carries out clamping limit by the side wall of circular base, can effectively avoid whirlpool
Axle assembly tilts when assembling, and finds center accurately when conducive to processing, greatly facilitates the processing of turbine wheel shaft centre bore.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings of the specification：
Fig. 1 is the utility model turbine shaft assembly nose centre bore processing clamping tool and standing after the assembly of turbine shaft assembly
Body structural schematic diagram；
Fig. 2 is the configuration schematic diagram of Fig. 1；
Fig. 3 is that the stereochemical structure when turbine shaft assembly nose centre bore processing clamping tool of the utility model uses is illustrated
Figure.
In figure：Turbine shaft assembly 1, blade 11, turbine wheel shaft 12, centre bore 13, limit base 2, bottom wall 21, side wall 22, connection
Block 23, chuck 3, I-shaped slot 31, clamping boss 32, claw 4, inserting groove 41, outer wedge-shaped part 42, interior wedge-shaped part 43, stage portion 44,
Sliding seat 5, machine tool chief axis 6.
Specific implementation mode
Embodiment 1
As shown in Fig. 2, turbine shaft assembly 1 to be processed includes turbine wheel shaft 12 and the multiple blades for being placed in 12 top of turbine wheel shaft
11, it needs at the top nose of turbine wheel shaft 12 that centre bore 13 is arranged.
As shown in Figure 1 to Figure 2, the turbine shaft assembly nose centre bore of the present embodiment processes clamping tool, including three-jaw card
The limit base 2 of disk component and 3 same structures, scroll chuck component include chuck 3 and 3 claws 4, and chuck 3 is disposed radially 3
A I-shaped slot 31, each I-shaped slot 31 are spaced 60 ° of settings on chuck 3, clamping are disposed radially in the middle part of the side wall of each I-shaped slot 31
Boss 32, the middle part setting inserting groove 41 compatible with clamping boss 32 of each claw 4, so that each claw 4 can be inserted into I-shaped slot
31, the centrally disposed central shaft hole passed through suitable for turbine wheel shaft 12 of chuck 3；Stage portion 44 is arranged so that 4 section of claw in each claw 4
L-shaped setting, the interior wedge-shaped part 43 of inner end setting of each claw 4, outer wedge-shaped part 42 is arranged in the outboard end of each claw 4, so that card
Pawl 4 when sliding, can be oriented in chuck 3 by outer wedge-shaped part 43 or interior wedge-shaped part 42；Each limit base 2 includes the arc being wholely set
Side wall 22 and bottom wall 21, so that the section of limit base 2 is L-shaped, link block 23, assembly is arranged in 22 outside of side wall of each limit base 2
When each limit base 2 be fixedly linked through link block 23 and claw 4 so that after each claw 4 is inserted into corresponding inserting groove 31, each limit base 2
A circular base is formed, the stage portion 44 of claw 4 is arranged higher than the top surface of chuck 3, i.e. the bottom wall 21 and link block 23 of limit base 2
It is placed in the upper end of stage portion 44, the bottom end of turbine shaft assembly blade 11 is supported by bottom wall 21, and the outside of blade 11 is by side wall
22 carry out package limit, and turbine wheel shaft 12 is inserted into central shaft hole, can be easily clamped to turbine shaft assembly, avoid turbine wheel shaft group
Part tilts when assembling.
In use, as shown in figure 3, limit base 2 and turbine shaft assembly 1 are assemblied on chuck 3, chuck 3 is in an axial direction through bolt
It is fixedly connected with the sliding seat 5 of five-axle number control machine tool, centre drill is arranged in 6 bottom end of machine tool chief axis of five-axle number control machine tool, by sliding
Seat 5 drives chuck 3 to be moved to the lower section of machine tool chief axis 6, carries out drilling to the top nose of turbine shaft assembly 1 by centre drill and adds
Work.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and is not to this reality
With the restriction of novel embodiment.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to the spiritual changes and variations that derived from of the utility model still in the scope of protection of the utility model
Among.
Claims (2)
1. a kind of turbine shaft assembly nose centre bore processes clamping tool, which is characterized in that including scroll chuck component, described three
Dog chuck component includes chuck and 3 claws, and the chuck is disposed radially 3 I-shaped slots, and each I-shaped slot is spaced on chuck
The side wall middle part of 60 ° of settings, each I-shaped slot is disposed radially clamping boss, and the middle part setting of each claw is adapted with clamping boss
Inserting groove so that each claw can be inserted into the I-shaped slot, the centrally disposed central shaft passed through suitable for turbine wheel shaft of the chuck
Hole；Further include the limit base of 3 same structures, each limit base includes the curved wall and bottom wall being wholely set, so that limit base
Section it is L-shaped, the side-wall outer side of each limit base is arranged link block, and when assembly, each limit base was through link block and claw stationary phase
Even, so that after the corresponding inserting groove of each claw insertion, each limit base forms a circular base.
2. turbine shaft assembly nose centre bore according to claim 1 processes clamping tool, which is characterized in that each claw is set
Stage portion is set so that the L-shaped setting in claw section, the interior wedge-shaped part of inner end setting of each claw, the outboard end setting of each claw are outer
Wedge-shaped part；Each claw is inserted into the chuck backward step portion and is arranged higher than the top surface of the chuck, when assembly the bottom wall of limit base and
Link block is placed in the upper end of the stage portion, claw be inserted into after the chuck between bottom wall lower face and the top surface of chuck there are
Gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918367.7U CN207823986U (en) | 2017-12-29 | 2017-12-29 | A kind of turbine shaft assembly nose centre bore processing clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918367.7U CN207823986U (en) | 2017-12-29 | 2017-12-29 | A kind of turbine shaft assembly nose centre bore processing clamping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207823986U true CN207823986U (en) | 2018-09-07 |
Family
ID=63390978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721918367.7U Expired - Fee Related CN207823986U (en) | 2017-12-29 | 2017-12-29 | A kind of turbine shaft assembly nose centre bore processing clamping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207823986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795632A (en) * | 2019-02-19 | 2019-05-24 | 长沙学院 | Retaining mechanism and standpipe transfer platform for standpipe transfer platform |
-
2017
- 2017-12-29 CN CN201721918367.7U patent/CN207823986U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795632A (en) * | 2019-02-19 | 2019-05-24 | 长沙学院 | Retaining mechanism and standpipe transfer platform for standpipe transfer platform |
| CN109795632B (en) * | 2019-02-19 | 2024-02-23 | 长沙学院 | Locking mechanism for riser transfer platform and riser transfer platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20201229 |