CN215616562U - Repeated positioning device for five-axis machining process of turbocharger impeller - Google Patents
Repeated positioning device for five-axis machining process of turbocharger impeller Download PDFInfo
- Publication number
- CN215616562U CN215616562U CN202121680217.3U CN202121680217U CN215616562U CN 215616562 U CN215616562 U CN 215616562U CN 202121680217 U CN202121680217 U CN 202121680217U CN 215616562 U CN215616562 U CN 215616562U
- Authority
- CN
- China
- Prior art keywords
- impeller
- positioning
- locating pin
- screw rod
- mounting hole
- 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.)
- Active
Links
Images
Landscapes
- Supercharger (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a repeated positioning device for a five-axis machining procedure of a turbocharger impeller, which comprises a tool base, an impeller locking mechanism and an impeller circumferential positioning mechanism, wherein the tool base is provided with a positioning hole; the tool base is provided with a central positioning groove for positioning the impeller and a positioning pin mounting hole for mounting the impeller circumferential positioning mechanism; the impeller locking mechanism comprises a screw and a nut, the screw is fixed in the central positioning groove, the upper part of the screw is a threaded part, and the nut is arranged on the threaded part and used for locking an impeller sleeved on the screw; the locating pin mechanism comprises a locating pin, a spring and a bolt which are sequentially arranged in a locating pin mounting hole, the upper end of the locating pin extends out of the upper end of the locating pin mounting hole, one end of the spring is abutted to the locating pin, and the other end of the spring is abutted to the bolt. The positioning device has the advantages of simple structure, convenience in operation, capability of ensuring the stability of repeated positioning in the machining process, low cost and the like.
Description
Technical Field
The utility model relates to the technical field of processing of an impeller of an internal combustion locomotive, in particular to a repeated positioning device for a five-axis processing procedure of an impeller of a turbocharger.
Background
The milling of the profile is required during the machining of the turbocharger wheel. The novel supercharger generally uses the integral impeller with a space curved surface model, and the integral impeller has a complex curved surface structure, so that a five-axis numerical control machining center is required to be used for milling in the machining process. The previous whole blank is processed in a material removing mode, and approximately one third of the material needs to be removed. Because of the removal of a large amount of materials needs to choose the major diameter cutter for rough machining, thereby can produce certain circumferential force to it and take place the possibility of work piece rotation and then can influence the machining precision of impeller.
SUMMERY OF THE UTILITY MODEL
The utility model provides a repeated positioning device for a five-axis machining procedure of a turbocharger impeller, aiming at the problems.
The technical means adopted by the utility model are as follows:
a repeated positioning device for a five-axis machining procedure of a turbocharger impeller comprises a tool base, an impeller locking mechanism and an impeller circumferential positioning mechanism;
the tool base is provided with a central positioning groove for positioning the impeller in the center and a positioning pin mounting hole for mounting the impeller circumferential positioning mechanism;
the impeller locking mechanism comprises a screw rod and a nut, the screw rod is fixed in the central positioning groove, the upper part of the screw rod is a threaded part, and the nut is arranged on the threaded part and used for locking an impeller sleeved on the screw rod;
the locating pin mechanism comprises a locating pin, a spring and a bolt which are sequentially arranged in the locating pin mounting hole, the upper end of the locating pin extends out of the upper end of the locating pin mounting hole, one end of the spring is abutted to the locating pin, and the other end of the spring is abutted to the bolt.
Further, the upper end of the positioning pin is a spherical surface or a conical surface.
Further, still be equipped with the frock base location boss that is used for fixing a position when being connected with the lathe workstation on the lower terminal surface of frock base.
Further, the bolt is a hexagon socket head cap screw.
Further, the locating pin includes spacing portion of locating pin and locating pin joint portion, spacing portion of locating pin is arranged in the locating pin mounting hole and the lower terminal surface with the upper end butt of spring, locating pin joint portion sets up on the spacing portion of locating pin and part is followed stretch out in the locating pin mounting hole.
Furthermore, the center of the center positioning groove is provided with a center threaded hole used for being connected with a screw rod, and the screw rod is a double-head screw rod.
Compared with the prior art, the repeated positioning device for the five-axis machining process of the turbocharger impeller, disclosed by the utility model, has the following beneficial effects: due to the fact that the impeller circumferential positioning mechanism is arranged, the impeller circumferential positioning mechanism can circumferentially position the impeller fixed on the impeller positioning device, the impeller is prevented from being rotated by a workpiece due to circumferential force, and machining precision of the impeller is guaranteed.
Drawings
FIG. 1 is a block diagram of a turbocharger impeller five-axis machining process repositioning device as disclosed herein;
fig. 2 is an enlarged schematic view of a point a in fig. 1.
In the figure: 1. the fixture comprises a fixture base, 10, a center positioning groove, 11, a positioning pin mounting hole, 12, a fixture base positioning boss, 13, a center threaded hole, 2, an impeller locking mechanism, 20, a screw rod, 21, a nut, 22, a gasket, 200, a threaded portion, 3, an impeller circumferential positioning mechanism, 30, a positioning pin, 31, a spring, 32, a bolt, 300, a positioning pin limiting portion, 301, a positioning pin clamping portion, 4, an impeller, 40 and an impeller circumferential limiting hole.
Detailed Description
Fig. 1 and fig. 2 show a repeated positioning device for a five-axis machining process of a turbocharger impeller, which comprises a tool base 1, an impeller locking mechanism 2 and an impeller circumferential positioning mechanism 3;
the tooling base 1 is provided with a circular center positioning groove 10 for performing center positioning on a turbocharger compressor impeller 4 (the impeller described in the application is a blank for processing the impeller) and a positioning pin mounting hole 11 for mounting the impeller circumferential positioning mechanism 3, specifically, the lower surface of the blank of the impeller is provided with a positioning boss matched with the center positioning groove, preferably, the matching gap between the center positioning groove and the positioning boss of the impeller is within 0.015mm, and the positioning boss is inserted into the center positioning groove;
the impeller locking mechanism 2 comprises a screw rod 20 and a nut 21, the screw rod 20 is fixed in the central positioning groove 10, the upper part of the screw rod 20 is a threaded part 200, the nut 21 is installed on the threaded part 200 and used for locking an impeller 4 sleeved on the screw rod 20, in the embodiment, the center of the central positioning groove 10 is provided with a central threaded hole 13, the screw rod 20 is a double-head screw rod, the threaded part at the lower end of the double-head screw rod is connected with the central threaded hole, the polished rod part in the middle of the double-head screw rod is inserted into the central hole of the impeller, the threaded part at the upper end of the double-head screw rod extends out of the upper end face of the impeller, and the impeller is locked on the screw rod through the nut 21 and a gasket 22;
the positioning pin mechanism 3 comprises a positioning pin 30, a spring 31 and a bolt 32 which are sequentially arranged in the positioning pin mounting hole 11, the upper end of the positioning pin 30 extends out of the upper end of the positioning pin mounting hole 11, one end of the spring 31 is abutted against the positioning pin 30, the other end of the spring is abutted against the bolt 32, in the embodiment, the positioning pin mounting hole 11 is a stepped hole arranged on the tool base 1, the large-aperture end of the stepped hole is positioned at the lower end, the small-aperture end is positioned at the upper end, the positioning pin 30 is a stepped shaft structure comprising a positioning pin limiting part 300 and a positioning pin clamping part 301, the diameter of the positioning pin limiting part is larger than that of the positioning pin clamping part, the positioning pin 30 is arranged in the positioning pin mounting hole, the end surface of the positioning pin limiting part is abutted against the spring, the positioning pin clamping part extends out of the positioning pin mounting hole and can be inserted into the circumferential limiting hole 40 on the impeller, and the bolt 32 is screwed into the lower part of the positioning pin mounting hole 11, the bolt 32 limits the spring and the positioning pin in the positioning pin mounting hole, and simultaneously, the length of the bolt screwed in the positioning pin mounting hole is adjusted, so that the effective resilience of the positioning pin can be ensured through the spring, because the impeller circumferential positioning mechanism is arranged, the clamping part of the positioning pin extends out of the positioning pin mounting hole and can be inserted into the circumferential limiting hole on the impeller to realize the circumferential limiting of the turbocharger impeller, further the impeller is prevented from rotating when being subjected to circumferential force, the processing precision of the impeller is ensured, meanwhile, because the spring is arranged, the effective resilience of the positioning pin can be ensured, further the positioning pin can be ensured to be completely inserted into the circumferential limiting hole to realize the circumferential limiting after the depth of the circumferential limiting hole is changed due to processing deformation in the impeller processing process, the positioning device disclosed by the utility model realizes the combination of a tool plane and a part lower positioning plane (impeller), and forms a one-plane two-pin positioning structure, the installation is easy, and the positioning precision is effectively ensured.
Further, the upper end of the positioning pin 30 is a spherical surface or a conical surface, so that the positioning pin can be conveniently inserted into the axial limiting hole on the impeller.
Further, still be equipped with on the lower terminal surface of frock base 1 and be used for carrying out the frock base location boss 12 that fixes a position when being connected with the lathe workstation, can conveniently be connected this positioner with the quick location of lathe workstation.
Further, the bolt is an inner hexagon bolt, and can be conveniently adjusted by a wrench of the inner hexagon bolt.
Use utility model discloses a turbo charger impeller five-axis machining process repeated positioning device to carry out the process of impeller processing as follows: firstly, mounting a tool base on a five-axis machine tool workbench, and aligning a tool plane and a rotation center; the screwing depth of the bolt is adjusted so as to adjust the height of the round-head pin, and the spring 31 is used for ensuring that the positioning pin can effectively rebound; inserting a positioning boss of an impeller of the gas compressor into a central positioning groove of a tool base, enabling a screw to penetrate through a central hole of a workpiece, and rotating the workpiece (blank of the impeller) to a positioning pin to enable the positioning pin to be inserted into a circumferential positioning hole of the workpiece; and (5) pressing the workpiece and the tool by using a nut and a screw.
By using the tool, the impeller can be effectively positioned accurately on a five-axis machining center machine tool, the clamping is reliable, the structure is simple, the operation is convenient, the stability of repeated positioning in the machining process is ensured, and the cost is low. Meanwhile, the coordinate systems for machining the double devices can be overlapped through the positioning pins of the tooling, so that the sub-device machining of the parts is realized. The machining efficiency and the equipment utilization rate are improved, and the tool loss and the machine tool loss are reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a five-axis machining process repetitive positioning device of turbo charger impeller which characterized in that: the device comprises a tool base, an impeller locking mechanism and an impeller circumferential positioning mechanism;
the tool base is provided with a central positioning groove for positioning the impeller in the center and a positioning pin mounting hole for mounting the impeller circumferential positioning mechanism;
the impeller locking mechanism comprises a screw rod and a nut, the screw rod is fixed in the central positioning groove, the upper part of the screw rod is a threaded part, and the nut is arranged on the threaded part and used for locking an impeller sleeved on the screw rod;
the locating pin mechanism comprises a locating pin, a spring and a bolt which are sequentially arranged in the locating pin mounting hole, the upper end of the locating pin extends out of the upper end of the locating pin mounting hole, one end of the spring is abutted to the locating pin, and the other end of the spring is abutted to the bolt.
2. The turbocharger impeller five-axis machining process repeated positioning device of claim 1, characterized in that: the upper end of the positioning pin is a spherical surface or a conical surface.
3. The turbocharger impeller five-axis machining process repeated positioning device of claim 2, wherein: and a tool base positioning boss used for positioning when the tool base is connected with a machine tool workbench is further arranged on the lower end face of the tool base.
4. The turbocharger impeller five-axis machining process repeated positioning device of claim 3, wherein: the bolt is a hexagon socket head cap screw.
5. The turbocharger impeller five-axis machining process repeated positioning device according to any one of claims 1 to 4, characterized in that: the locating pin includes spacing portion of locating pin and locating pin joint portion, spacing portion of locating pin is arranged in the locating pin mounting hole and the lower terminal surface with the upper end butt of spring, locating pin joint portion sets up on the spacing portion of locating pin and part is followed stretch out in the locating pin mounting hole.
6. The turbocharger impeller five-axis machining process repeated positioning device of claim 5, wherein: the center of the center positioning groove is provided with a center threaded hole used for being connected with a screw rod, and the screw rod is a double-head screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121680217.3U CN215616562U (en) | 2021-07-22 | 2021-07-22 | Repeated positioning device for five-axis machining process of turbocharger impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121680217.3U CN215616562U (en) | 2021-07-22 | 2021-07-22 | Repeated positioning device for five-axis machining process of turbocharger impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215616562U true CN215616562U (en) | 2022-01-25 |
Family
ID=79891885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121680217.3U Active CN215616562U (en) | 2021-07-22 | 2021-07-22 | Repeated positioning device for five-axis machining process of turbocharger impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215616562U (en) |
-
2021
- 2021-07-22 CN CN202121680217.3U patent/CN215616562U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112589381B (en) | Processing method and clamping fixture for high-precision thin-wall elastic opening piston ring part | |
| CN213163525U (en) | Quick centering device for wire-electrode cutting machining concentric circles | |
| CN205852333U (en) | For processing the vertical process center fixture of the uniform through hole of ring flange | |
| CN103072078B (en) | A kind of blade processing self adaptation clamping tool and clamping means thereof | |
| CN205834798U (en) | For processing the vertical machining centre flexible jig of the uniform screw of bearing block end face | |
| CN104384528A (en) | Flange bearing metal cutting machining process and fixture for implementing process | |
| CN103028987B (en) | Numerical control processing fixture for two perpendicularly-crossed shafts | |
| CN203266207U (en) | Bend pipe flange turning clamping device | |
| CN215616562U (en) | Repeated positioning device for five-axis machining process of turbocharger impeller | |
| CN102922397A (en) | Accessory lathe-grinding integration device for lathe machining center and use method thereof | |
| CN203751800U (en) | Machining device directly clamping threaded surface without damaging thread | |
| CN205414837U (en) | Interior arc surface supersound rolling tool head | |
| CN203526666U (en) | Machining device | |
| CN204603320U (en) | A kind of lathe spindle tapering positioner | |
| CN105817918A (en) | Special positioning fixture for blade numerical control precision machining | |
| CN204122868U (en) | A kind of tap holder | |
| CN204603912U (en) | A kind of lathe spindle afterbody positioner | |
| CN203484949U (en) | Four-point clamping fixture | |
| CN113369936A (en) | Device for machining circumferential inclined holes of nozzle nuts of aircraft engines | |
| CN207239753U (en) | A kind of valve rocker shaft stool fixture | |
| CN205817345U (en) | A kind of special-shaped part axle facial planes Special Fixture for Machining | |
| CN115319503B (en) | Clamp for improving position degree of open groove in sealing ring and use method | |
| CN203887546U (en) | Trimming and positioning clamp for fracture channel surface of outer ring fractured thin-wall bearing | |
| CN218017484U (en) | Special inner hole grinding tool for rectangular ball nut | |
| CN212735008U (en) | Eccentric shaft sleeve machining clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |