CN203409348U - High-accuracy broaching tool of mortise groove of rotary-shaft wheel disc of turbocharger - Google Patents
High-accuracy broaching tool of mortise groove of rotary-shaft wheel disc of turbocharger Download PDFInfo
- Publication number
- CN203409348U CN203409348U CN201320476099.3U CN201320476099U CN203409348U CN 203409348 U CN203409348 U CN 203409348U CN 201320476099 U CN201320476099 U CN 201320476099U CN 203409348 U CN203409348 U CN 203409348U
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- China
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- wheel disc
- turbocharger
- positioning disk
- shaft
- shaft wheel
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Abstract
The utility model discloses a high-accuracy broaching tool of a mortise groove of a rotary-shaft wheel disc of a turbocharger. The high-accuracy broaching tool is characterized in that a bush is fixed in a central hole of the surface of the left-front part of a broaching tool support, and is internally provided with an indexing disc; a positioning disc is arranged at an inner hole of the indexing disc; one side of the positioning disc is provided with a positioning disc wrench rod; a guide sleeve of the guide mechanism of a positioning inserting pin is fixed on the bush; the central hole of the right side of the indexing disc is externally provided with a shaft-end rotating cap which is connected with a rotary-shaft wheel disc shaft of the turbocharger of a processed workpiece; the shaft-end rotating cap is externally provided with a wrench rod of the shaft-end rotating cap. The high-accuracy broaching tool disclosed by the utility model is used for positioning, indexing and clamping in broaching of the mortise groove of the rotary-shaft wheel disc of the turbocharger, and has the advantages that by datum conversion and accurate transferring of indexes, the space position error of the mortise groove of the rotary-shaft wheel disc of the turbocharger is furthest reduced, the uniform consistency of flow channels of a turbocharger turbine is obviously improved, and the turbine efficiency is improved; the dynamic stress of the rotary shaft of the turbocharger is reduced and the smoothness and the safety of the turbocharger are guaranteed.
Description
Technical field
The utility model belongs to the tooling device of turbocharger rotor rotating shaft wheel disc chase mortise positional precision, and particularly a kind of high-precision turbocharger shaft wheel disc chase mortise draws tool.
Background technology
Turbocharger shaft wheel disc chase mortise positional precision is most important for turbocharger turbine Performance And Reliability, and traditional turbocharger shaft wheel disc chase mortise is because drawing the low rotating shaft wheel disc chase mortise positional precision that causes of tool location indexing accuracy low, turbine outlet width decentralization is large, has had a strong impact on turbine efficiency and reliability.
Developed recently the built-in axial flow booster peculiar to vessel of GZ300 external axial flow booster peculiar to vessel and high-performance GZ300, location, calibration and clamping when the turbocharger supercharged device main shaft wheel disc chase mortise of groping to sum up in product processing technique and practice is broached, by benchmark, change and calibration accurate transfer, reduced to greatest extent turbocharger shaft wheel disc chase mortise site error, turbocharger turbine uniform flow passage uniformity is obviously improved, reduce turbocharger shaft dynamic stress, guarantee turbocharger smooth running and safety.
Utility model content
Technical barrier to be solved in the utility model is: a kind of high-precision turbocharger shaft wheel disc chase mortise draws tool, location, calibration and clamping during for the broaching of spindle of turbine pressure booster wheel disc chase mortise, by benchmark, change and calibration accurate transfer, reduced to greatest extent turbocharger shaft wheel disc chase mortise site error, turbocharger turbine uniform flow passage uniformity is obviously improved, reduce turbocharger shaft dynamic stress, guarantee turbocharger smooth running and safety.
The technical solution of the utility model is:
Turbocharger shaft wheel disc chase mortise draws a tool, it is characterized in that: connect bearings 3 drawing on the base plate 1 of tool by interior six square bolts 2, it is dull and stereotyped 12 that bottom side, bearing left front connects, and the supporting 10 with adjusting bolt 11 is equipped with in dull and stereotyped left part; In the locating hole on surface, bearing left front, lining 5 is housed, the guiding mechanism guide pin bushing 7 of fastening screw 6 is fixed on lining 5; Index dial 14 and positioning disk 13 are housed in lining, index dial endoporus coordinates with positioning disk 13, wheel disc positioning spigot coordinates with positioning disk, at index dial 14 right side centre bores, is furnished with the axle head turncap 33 being connected on work piece turbocharger shaft wheel disc axle outward, axle head turncap is equipped with axle head turncap tommy bar 34 outward, wheel disc, positioning disk and index dial are connected by axle head turncap 33, realize calibration and rotate; Positioning disk one side is equipped with positioning disk tommy bar 8, and positioning disk is equipped with locating piece 31 outward; Three sleeves 24 are housed on border outside centre of surface hole, bearing left front, in sleeve, by screw rod 27 and band shoulder nut 28, are equipped with hook pressing plate 26, screw rod 27 is outer spring 25, and the hook end of hook pressing plate is fixed with backing plate 29, realizes the clamping behind wheel disc calibration location.
The utility model effect is:
This high-precision turbocharger shaft wheel disc chase mortise draws tool, location, calibration and clamping during for the broaching of spindle of turbine pressure booster wheel disc chase mortise, by benchmark, change and calibration accurate transfer, reduced to greatest extent turbocharger shaft wheel disc chase mortise locus error, turbocharger turbine uniform flow passage uniformity is obviously improved, and turbine efficiency improves; Reduce turbocharger shaft dynamic stress, guarantee turbocharger smooth running and safety.
Accompanying drawing explanation
Fig. 1 is that high-precision turbocharger shaft wheel disc chase mortise draws tool front view.
Fig. 2 is that high-precision turbocharger shaft wheel disc chase mortise draws tool top view.
Fig. 3 is that high-precision turbocharger shaft wheel disc chase mortise draws tool side view.
In figure: 1 base plate, six square bolts in 2, 3 bearings, 4 wheel discs, 5 linings, 6 fastening screws, 7 guide pin bushings, 8 positioning disk tommy bars, 9 bolts, 10 supportings, 11 adjusting bolts, 12 flat boards, 13 positioning disks, 14 index dials, 15 connecting bolts, 16 pins, 17 bolts, 18 nuts, 19 plain cushions, 20 packing rings, 21 alignment pins, 22 bolts, 23 keys, 24 sleeves, 25 springs, 26 hook pressing plates, 27 screw rods, 28 band shoulder nuts, 29 backing plates, 30 bolts, 31 locating pieces, 32 bolts, 33 axle head turncaps, 34 axle head turncap tommy bars 35 hang nose.
The specific embodiment
A kind of high-precision turbocharger shaft wheel disc chase mortise as shown in the figure draws tool, connects bearings 3 drawing on the base plate 1 of tool by interior six square bolts 2, and it is dull and stereotyped 12 that bottom side, bearing left front connects, and the supporting 10 with adjusting bolt 11 is equipped with in dull and stereotyped left part; In the locating hole on surface, bearing left front, lining 5 is housed, the guiding mechanism guide pin bushing 7 of fastening screw 6 is fixed on lining 5; Index dial 14 and positioning disk 13 are housed in lining, index dial endoporus coordinates with positioning disk 13, wheel disc positioning spigot coordinates with positioning disk, at index dial 14 right side centre bores, is furnished with the axle head turncap 33 being connected on work piece turbocharger shaft wheel disc axle outward, axle head turncap is equipped with axle head turncap tommy bar 34 outward, wheel disc, positioning disk and index dial are connected by axle head turncap 33, realize calibration and rotate; Positioning disk one side is equipped with positioning disk tommy bar 8, and positioning disk is equipped with locating piece 31 outward; Three sleeves 24 are housed on border outside centre of surface hole, bearing left front, in sleeve, by screw rod 27 and band shoulder nut 28, are equipped with hook pressing plate 26, screw rod 27 is outer spring 25, and the hook end of hook pressing plate is fixed with backing plate 29, realizes the clamping behind wheel disc calibration location.
The positioning cylinder seam of main shaft wheel disc 4 sides coordinates with positioning disk 13 location, index dial 14 connects location with positioning disk 13, main shaft wheel disc 4, positioning disk 13, index dial 14 are connected by nut 33, by the index hole on index dial 14, connect with calibration latch 6, the fastening screw 6 that can move up and down is installed on lining 5, the guide pin bushing 7 that fastening screw 6 is inlayed with the index hole on index dial 14 coordinates and connects with calibration latch 6, completes location and calibration; When fastening screw inserts the locating hole of index dial circumferencial direction, complete calibration location; After fastening screw is extracted, allow index dial to rotate, complete calibration and rotate; Complete calibration and location; The locating hole quantity of index dial 14 circumferencial directions is consistent with the tongue-and-groove quantity on main shaft wheel disc 4, index dial 14 circumferential registration holes bore with numerical control optical calibration jig boring machine, after heat treatment, with numerical control optical calibration jig grinder, refine, be bumped into again the guide pin bushing 7 quenching after also grinding, with fastening screw 6 precision-fit, guaranteed indexing accuracy; Rotate band shoulder nut 28 compression hook pressing plates 26 main shaft wheel disc 4, positioning disk 13, index dial 14 are pressed on lining 5, join together with drawing tool bearing 3, for broaching tongue-and-groove provides enough rigidity;
During broaching tongue-and-groove, broaching tool is pulled out identical tongue-and-groove by positioning disk 13 and main shaft wheel disc 4 on positioning disk 13 and main shaft wheel disc 4 circumference, at wheel disc 4 and positioning disk 13, pull out after first tongue-and-groove, insert the close-fitting profile of tooth locating piece identical with blade profile of tooth, the two joins together, has guaranteed the accurate transfer of dividing movement;
By the accurate transfer to the radial and axial accurate location of wheel disc 4 and dividing movement, the spatial positioning accuracy of spindle of turbine pressure booster wheel disc chase mortise has met requirement, turbine uniform flow passage uniformity is obviously improved, reduce spindle of turbine pressure booster dynamic stress, guarantee turbocharger smooth running and safety.
Claims (1)
1. a high-precision turbocharger shaft wheel disc chase mortise draws tool, it is characterized in that: drawing the base plate of tool (1) upper by interior six square bolts (2) connection bearing (3), bottom side, bearing left front connects dull and stereotyped (12), and the supporting (10) of band adjusting bolt (11) is equipped with in dull and stereotyped left part; Lining (5) is housed in the locating hole on surface, bearing left front, and the guiding mechanism guide pin bushing (7) of fastening screw (6) is fixed on lining (5); Index dial (14) and positioning disk (13) are housed in lining, index dial endoporus coordinates with positioning disk (13), wheel disc positioning spigot coordinates with positioning disk, on index dial (14) right side, centre bore is furnished with the axle head turncap (33) being connected on work piece turbocharger shaft wheel disc axle outward, axle head turncap is equipped with axle head turncap tommy bar (34) outward, wheel disc, positioning disk and index dial are connected by axle head turncap (33), realize calibration and rotate; Positioning disk one side is equipped with positioning disk tommy bar (8), and positioning disk is equipped with locating piece (31) outward; Three sleeves (24) are housed on border outside centre of surface hole, bearing left front, in sleeve, by screw rod (27) and band shoulder nut (28), be equipped with hook pressing plate (26), outside screw rod (27), there is spring (25), the hook end of hook pressing plate is fixed with backing plate (29), realizes the clamping behind wheel disc calibration location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476099.3U CN203409348U (en) | 2013-08-06 | 2013-08-06 | High-accuracy broaching tool of mortise groove of rotary-shaft wheel disc of turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476099.3U CN203409348U (en) | 2013-08-06 | 2013-08-06 | High-accuracy broaching tool of mortise groove of rotary-shaft wheel disc of turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203409348U true CN203409348U (en) | 2014-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320476099.3U Expired - Fee Related CN203409348U (en) | 2013-08-06 | 2013-08-06 | High-accuracy broaching tool of mortise groove of rotary-shaft wheel disc of turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203409348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433553A (en) * | 2013-08-06 | 2013-12-11 | 天津机辆轨道交通装备有限责任公司 | High-precision turbocharger rotary shaft turntable mortise pull tool |
| CN109290799A (en) * | 2018-11-30 | 2019-02-01 | 大连德欣新技术工程有限公司 | Turbocharger dispenses pallet |
-
2013
- 2013-08-06 CN CN201320476099.3U patent/CN203409348U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433553A (en) * | 2013-08-06 | 2013-12-11 | 天津机辆轨道交通装备有限责任公司 | High-precision turbocharger rotary shaft turntable mortise pull tool |
| CN109290799A (en) * | 2018-11-30 | 2019-02-01 | 大连德欣新技术工程有限公司 | Turbocharger dispenses pallet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20140806 |
|
| EXPY | Termination of patent right or utility model |