CN221184746U - Auxiliary fixture for turbine shell machining - Google Patents
Auxiliary fixture for turbine shell machining Download PDFInfo
- Publication number
- CN221184746U CN221184746U CN202322926090.4U CN202322926090U CN221184746U CN 221184746 U CN221184746 U CN 221184746U CN 202322926090 U CN202322926090 U CN 202322926090U CN 221184746 U CN221184746 U CN 221184746U
- Authority
- CN
- China
- Prior art keywords
- hole
- turbine shell
- switching disc
- fixing
- positioning pin
- 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
- 238000003754 machining Methods 0.000 title claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model relates to an auxiliary tool for processing a turbine shell, which comprises a switching disc, a locating pin, a fixing piece and a limiting block, wherein a central step hole is formed in the switching disc, and a lug is arranged on the periphery of the switching disc outside the central step hole; the lug is provided with an assembly hole penetrating through the adapter plate, a positioning pin is arranged in the assembly hole, a fixing hole is formed in the positioning pin, and a fixing piece is arranged in the fixing hole; limiting blocks are circumferentially arranged at the positions, close to the outer edge, of the switching disc, and anti-interference grooves are formed in the outer circle of the switching disc. The clamping device is simple in structure, and after the adapter plate is assembled with the turbine shell, the lathe chuck is used for fixing the adapter plate, so that the turbine shell can be clamped easily; the positioning pin is matched with the flange hole of the turbine shell, so that the turbine shell cannot shake in the machining process, and the machining precision can be ensured; the turbine shell is firmly fixed by utilizing the triangular fixing piece and the triangular connecting piece; the utility model has high stability and low manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of tool fixtures, and relates to an auxiliary tool for machining a turbine shell.
Background
The turbine shell is required to be clamped on a fixture of a lathe in the machining process, such as a turning plane, a turning end face and the like, however, because the turbine shell is various in structure, when the turbine shell is clamped by the lathe fixture, the window fixture can be interfered due to the fact that proper stress points are not available or the structure of part of the turbine shell is not available, so that the clamping becomes difficult, such as the clamping of the turbine shell is unstable, production accidents are easy to occur in the machining process, and potential safety hazards are caused.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, solve the problem of inconvenient clamping of a lathe caused by complex structure of a turbine shell, and provide an auxiliary tool for processing the turbine shell.
In order to achieve the above purpose, the following technical scheme is adopted:
the auxiliary tool for machining the turbine shell comprises a switching disc, a locating pin, a fixing piece and a limiting block, wherein a central step hole is formed in the switching disc, and a lug is arranged on the periphery of the switching disc outside the central step hole; the lug is provided with an assembly hole penetrating through the adapter plate, a positioning pin is arranged in the assembly hole, a fixing hole is formed in the positioning pin, and a fixing piece is arranged in the fixing hole; the circumference of the switching disc near the outer edge is provided with a limiting block, the outer circle of the switching disc is provided with an interference prevention groove, and the lower edge of the outer edge of the switching disc is provided with a positioning surface which is downwards and outwards diffused.
Preferably, the outer circumference of the assembly hole is uniformly distributed with connecting holes, the positioning pin is provided with a connecting plate, and the connecting plate is provided with mounting holes corresponding to the connecting holes.
Preferably, the step surface of the central step hole is provided with a mounting groove communicated with the mounting hole.
Preferably, the limiting block is connected with the connecting disc by using a fixing bolt.
Preferably, the limiting blocks are arranged on the adapter plate in a pair of two groups.
Preferably, the number of the protruding blocks is not less than 3, one protruding block is provided with a positioning hole, and a connecting piece is arranged in the positioning hole.
Compared with the prior art, the utility model has the following advantages:
The clamping device is simple in structure, and after the adapter plate is assembled with the turbine shell, the lathe chuck is used for fixing the adapter plate, so that the turbine shell can be clamped easily; the positioning pin is matched with the flange hole of the turbine shell, so that the turbine shell cannot shake in the machining process, and the machining precision can be ensured; the turbine shell is firmly fixed by utilizing the triangular fixing piece and the triangular connecting piece; the utility model has high stability and low manufacturing cost.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is an exploded view of the assembly of the present utility model.
FIG. 3 is a schematic view of the present utility model in use.
In the figure: 1. a switching disc; 2. a positioning pin; 3. a fixing member; 5. a center step hole; 6. a bump; 7. a fitting hole; 8. a fixing hole; 9. a limiting block; 10. an interference prevention groove; 11. a connection hole; 12. a connecting plate; 13. a mounting hole; 14. a mounting groove; 15. a fixing bolt; 16. positioning holes; 17. a connecting piece; 18. and a positioning surface.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As shown in fig. 1-3, an auxiliary tool for processing a turbine shell comprises a switching disc 1, a positioning pin 2, a fixing piece 3 and a limiting block 9, wherein a central step hole 5 is formed in the switching disc 1, a lug 6 is arranged on the circumference of the switching disc 1 outside the central step hole 5, and the lug 6 is used for playing a certain supporting role, so that a certain distance is reserved between the turbine shell 20 and the switching disc 1, and the assembly is convenient;
The lug 6 is provided with an assembly hole 7 penetrating through the adapter plate 1, a positioning pin 2 is arranged in the assembly hole 7, and the positioning pin 2 can be matched with a flange hole on the turbine shell 20, so that the turbine shell 20 is firm and reliable when assembled on the adapter plate 1, and the machining accuracy is ensured;
A fixing hole 8 is formed in the positioning pin 2, a fixing piece 3 is arranged in the fixing hole 8, and the fixing piece 3 is used for connecting and fixing the volute and the adapter plate 1;
Limiting blocks 9 are circumferentially arranged at the positions, close to the outer edge, of the adapter plate 1, and the limiting blocks 9 facilitate quick alignment of positions when the turbine shell 20 and the adapter plate 1 are assembled;
The anti-interference groove 10 is formed in the upper edge of the outer circle of the adapter plate 1, when the anti-interference groove 10 is convenient for assembling the turbine shell 20, the flange at the turbine outlet cannot interfere with the adapter plate 1, the lower edge of the outer edge of the adapter plate 1 is provided with the positioning surface 18 which diffuses downwards and outwards, and the positioning surface 18 is convenient for clamping the adapter plate 1 and the lathe chuck 19 firmly.
Further, connecting holes 11 are uniformly distributed on the outer circumference of the assembly hole 7, a connecting plate 12 is arranged on the positioning pin 2, a mounting hole 13 corresponding to the connecting hole 11 is formed in the connecting plate 12, the connecting hole 11 is a threaded hole, and a fixing bolt can pass through the mounting hole 13 and then be screwed into the connecting hole 11 to fix the positioning pin 2 on the adapter plate 1.
Further, a mounting groove 14 communicated with the assembly hole 7 is formed in the step surface of the central step hole 5, and the mounting groove 14 provides a mounting space for the connecting plate 12. .
Further, the limiting block 4 is connected with the connecting disc through a fixing bolt 15.
Further, the limiting blocks 4 are installed on the adapter plate 1 in a pair of two groups.
Further, the number of the protruding blocks 6 is not less than 3, one protruding block 6 is provided with a positioning hole 16, a connecting piece 17 is arranged in the positioning hole 16, and the connecting piece 17 and the fixing piece 3 tightly fix the turbine shell 20 on the adapter plate 1 together.
Further, the limiting block 9 is made of nylon material, and can play a role in protecting the turbine housing 20 in collision.
Further, the fixing pieces 3 and the connecting pieces 17 are distributed in an equilateral triangle.
Working principle: when the turbine shell 20 is used, the positioning pin 2 is firstly arranged in the assembly hole 7, and the connecting plate 12 is fixed on the adapter plate 1 by utilizing the fixing bolt, so that the positioning pin 2 cannot fall off when the turbine shell 20 is assembled; then the fixing piece 3 is inserted into the fixing hole 8, then the flange hole fixing piece 3 of the turbine shell 20 is used for assembling the adapter plate 1 and the turbine shell 20, and then the turbine shell 20 is fixed again by the connecting piece 17; the assembly of the two is completed, and the positioning surface 18 of the adapter plate 1 is clamped on the lathe chuck 19.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (6)
1. Auxiliary fixtures is used in turbine shell processing, characterized by: the automatic assembling device comprises a switching disc (1), a positioning pin (2), a fixing piece (3) and a limiting block (9), wherein a central step hole (5) is formed in the switching disc (1), and a lug (6) is arranged on the circumference of the switching disc (1) outside the central step hole (5); the lug (6) is provided with an assembly hole (7) penetrating through the adapter plate (1), a positioning pin (2) is arranged in the assembly hole (7), a fixing hole (8) is formed in the positioning pin (2), and a fixing piece (3) is arranged in the fixing hole (8); limiting blocks (9) are circumferentially arranged at the positions, close to the outer edge, of the switching disc (1), and anti-interference grooves (10) are formed in the outer circle of the switching disc (1); the lower edge of the outer edge of the switching disc (1) is provided with a positioning surface (18) which diffuses downwards and outwards.
2. The auxiliary tool for machining a turbine housing according to claim 1, wherein: connecting holes (11) are uniformly distributed on the outer circumference of the assembly hole (7), a connecting plate (12) is arranged on the positioning pin (2), and mounting holes (13) corresponding to the connecting holes (11) are formed in the connecting plate (12).
3. Auxiliary fixtures is used in turbine shell processing, characterized by: the step surface of the central step hole (5) is provided with a mounting groove (14) communicated with the assembly hole (7).
4. Auxiliary fixtures is used in turbine shell processing, characterized by: the limiting block (4) is connected with the connecting disc through a fixing bolt (15).
5. Auxiliary fixtures is used in turbine shell processing, characterized by: the limiting blocks (4) are arranged on the switching disc (1) in pairs in two groups.
6. Auxiliary fixtures is used in turbine shell processing, characterized by: the number of the protruding blocks (6) is not less than 3, one protruding block (6) is provided with a positioning hole (16), and a connecting piece (17) is arranged in the positioning hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322926090.4U CN221184746U (en) | 2023-10-30 | 2023-10-30 | Auxiliary fixture for turbine shell machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322926090.4U CN221184746U (en) | 2023-10-30 | 2023-10-30 | Auxiliary fixture for turbine shell machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221184746U true CN221184746U (en) | 2024-06-21 |
Family
ID=91490195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322926090.4U Active CN221184746U (en) | 2023-10-30 | 2023-10-30 | Auxiliary fixture for turbine shell machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221184746U (en) |
-
2023
- 2023-10-30 CN CN202322926090.4U patent/CN221184746U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109396894B (en) | Clamp body for machining intermediate casing surface and hole | |
| CN106078271A (en) | One can pinpoint orbiter structure and frock clamp thereof | |
| CN106180776B (en) | A kind of thin-wall flange precision turning clamp | |
| CN221184746U (en) | Auxiliary fixture for turbine shell machining | |
| CN113131646A (en) | Magnetic steel positioning structure, motor and mounting tool of magnetic steel positioning structure | |
| CN203209732U (en) | Locating and clamping structure for machining recoil spring pocket | |
| CN215658305U (en) | Clamping device for deep hole machining of special-shaped nozzle shell | |
| CN108655824B (en) | Indexing device | |
| CN112025341B (en) | Stop valve flange facing positioning fixture | |
| CN204495237U (en) | A kind of hole plane device for detecting difference | |
| CN114227331A (en) | Axle finish machining anchor clamps and axle machine tool | |
| CN211516698U (en) | Gap bridge box clamp system | |
| CN220029270U (en) | Main shaft assembly fixture | |
| CN217019282U (en) | Sliding sleeve end cover press fitting clamp | |
| CN219901921U (en) | Mounting seat for mounting starter bearing | |
| CN216152206U (en) | Flange plate processing and positioning device | |
| CN214350929U (en) | Be applied to anchor clamps of fourth shaft revolving stage | |
| CN211465443U (en) | High-precision end cover part machining tool | |
| CN111843548A (en) | Positioning fan claw for machining thin-wall ring parts | |
| CN218575635U (en) | Clamp for turning bell-shaped shell | |
| CN221065330U (en) | Turbine casing clamp | |
| CN217253068U (en) | Clamp for drilling signal hole on periphery of workpiece | |
| CN217122952U (en) | Workpiece clamping device for dynamic balance process | |
| CN219787431U (en) | Batch clamping and positioning device | |
| CN217193945U (en) | Processing tool for output shaft damper of marine main engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |