CN110802239A - Simulation disc tool for turning high-pressure blades - Google Patents
Simulation disc tool for turning high-pressure blades Download PDFInfo
- Publication number
- CN110802239A CN110802239A CN201911184903.9A CN201911184903A CN110802239A CN 110802239 A CN110802239 A CN 110802239A CN 201911184903 A CN201911184903 A CN 201911184903A CN 110802239 A CN110802239 A CN 110802239A
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- CN
- China
- Prior art keywords
- mounting
- plate
- disc
- pressing plate
- flange
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
-
- 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
- B23Q3/063—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding turbine blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a simulation disc tool for turning a high-pressure blade, which comprises: the device comprises a mandrel, an installation disc, a flange plate, a left pressing plate, a right pressing plate, a left nut, a right nut and a locking nut; the installation plate is installed on the mandrel through a flat key, the mandrel is provided with a flange, the flange plate is sleeved on the mandrel, the outer peripheral surface of the installation plate is contacted with the inner peripheral surface of the installation edge, one end of the connecting pipe is abutted against the flange, and the other end of the connecting pipe is abutted against the ladder of the installation pipe; the left pressing plate is sleeved on the connecting pipe, and the left nut is arranged on the outer side of the left pressing plate and tightly presses the left pressing plate and the disc surface of the mounting disc; the right pressing plate is sleeved on the mounting pipe, the edge of the right pressing plate is abutted against the mounting edge, and the right nut is arranged on the outer side of the right pressing plate to tightly press the right pressing plate and the mounting plate of the flange plate; the locking nut is sleeved on the mandrel and located on the outer side of the right nut, and the mounting pipe of the flange plate is locked. The tool has high positioning precision on the blade, and the problem of balance out-of-tolerance does not occur after processing; the blade is fastened by means of the jackscrew, so that the stability of the blade in the machining process is ensured, and the machining quality of the blade is improved.
Description
Technical Field
The invention belongs to the technical field of blade turning tools, and relates to a simulation disc tool for turning a high-pressure blade.
Background
Various machining problems exist in the turning process of the high-pressure blade of the aero-engine, for example, the problems of blade looseness, tongue-and-groove deformation and the like can cause position errors and size deviation, dynamic balance parameters and product quality of a final product are influenced, and waste loss of a high-pressure rotor is caused.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a simulation disc tool for turning a high-pressure blade, so that the machining quality of the blade is ensured, and fatigue fracture is avoided.
The invention discloses a simulation disc tool for turning a high-pressure blade, which comprises: the device comprises a mandrel, an installation disc, a flange plate, a left pressing plate, a right pressing plate, a left nut, a right nut and a locking nut;
the mounting disc comprises a disc surface, a connecting pipe and a mounting edge, wherein a shaft hole is formed in the center of the disc surface, the connecting pipe is formed by extending from the shaft hole to two sides of the disc surface, the mounting edge is cylindrical, the mounting edge is formed by extending from the edge of the disc surface to one side of the disc surface, a plurality of mortises for mounting blades are uniformly arranged on the mounting edge, and jackscrews are arranged at the bottoms of the mortises;
the flange plate comprises a mounting pipe and a mounting plate, the mounting pipe extends from a central hole of the mounting plate to one side of the mounting plate, the inside of the mounting pipe is of a stepped structure, and the large inner diameter end of the mounting pipe is connected with the central hole of the mounting plate;
the connecting pipe of the mounting disc is mounted on the mandrel through a flat key, the mandrel is provided with a flange, the flange plate is sleeved on the mandrel, the outer peripheral surface of the mounting plate is in contact with the inner peripheral surface of the mounting edge, one end of the connecting pipe abuts against the flange, and the other end of the connecting pipe abuts against a step in the mounting pipe; the left pressing plate is sleeved on the connecting pipe from the outer side, and the left nut is arranged on the outer side of the left pressing plate and is connected with the connecting pipe through threads so as to tightly press the left pressing plate and the disc surface of the mounting disc; the right pressing plate is sleeved on the mounting pipe from the outer side, the edge of the right pressing plate abuts against the mounting edge, and the right nut is arranged on the outer side of the right pressing plate and is connected with the mounting pipe through threads so as to tightly press the right pressing plate and the mounting plate of the flange plate; the locking nut is sleeved on the mandrel and located on the outer side of the right nut, and the mounting pipe of the flange plate is tightly pressed.
In the simulation disc tool for turning the high-pressure blade, the disc surface of the mounting disc and the mounting plate of the flange disc are locked in the axial direction through bolts.
In the simulation disc tool for turning the high-pressure blade, the bottom of the mortise of the mounting edge is provided with a threaded hole, and the jackscrew is matched with the blade tightly mounted in the mortise through threads.
The simulation disc tool for turning the high-pressure blade simulates the shape and the precision of a high-pressure turbine disc, the positioning precision of the blade is high, and the problem of balance out-of-tolerance does not occur after machining; and the internal jackscrew is used for fastening, so that the blade is ensured to be stable and not to be loosened in the processing process, the processing quality of the blade is improved, the simulation disc tool adopts a bilateral clamping mode, the operation is convenient, and the positioning is stable and reliable.
Drawings
FIG. 1 is a schematic structural diagram of a simulation disc tool for turning high-pressure blades, provided by the invention;
fig. 2 is a schematic structural view of the mounting plate.
Detailed Description
As shown in fig. 1 and 2, the simulation disc tool for turning the high-pressure blade of the present invention includes: the clamping device comprises a mandrel 1, a mounting disc 2, a flange 3, a left pressing plate 4, a right pressing plate 5, a left nut 6, a right nut 7 and a locking nut 8.
The ring flange 3 includes mounting panel 31 and installation pipe 32, installation pipe 32 extends to one side of mounting panel 31 from the centre bore of mounting panel 31 and forms, and the inside stairstepping structure that is of installation pipe 32, and the big internal diameter end of installation pipe 32 is connected with the centre bore of mounting panel 31.
The connecting pipe 22 of the mounting disc 2 is mounted on the mandrel 1 through the flat key 9, the flange 11 is arranged on the mandrel 1, the flange plate 3 is sleeved on the mandrel 1, the outer peripheral surface of the mounting plate 31 is in contact with the inner peripheral surface of the mounting edge 23, one end of the connecting pipe 22 abuts against the flange 11, and the other end of the connecting pipe 22 abuts against a step in the mounting pipe 23. The left pressing plate 4 is sleeved on the connecting pipe 22 from the outer side, and the left nut 6 is arranged on the outer side of the left pressing plate 4 and is connected with the connecting pipe 22 through threads so as to tightly press the left pressing plate 4 and the disc surface 21 of the mounting disc 2. The right pressing plate 5 is sleeved on the mounting pipe 32 from the outer side, the edge 51 of the right pressing plate 5 abuts against the mounting edge 23, and the right nut 7 is arranged on the outer side of the right pressing plate 5 and is connected with the mounting pipe 32 through threads so as to tightly press the right pressing plate 5 and the mounting plate 31 of the flange 3. The locking nut 8 is sleeved on the mandrel 1 and positioned outside the right nut 7, and tightly presses the mounting pipe 32 of the flange plate 3.
The disk surface 21 of the mounting disk 2 and the mounting plate 31 of the flange 3 are locked by the bolts 10 in the axial direction.
The bottom of the mortise 24 of the mounting edge 23 is provided with a threaded hole, and the jackscrew 25 tightly props up the blade 100 mounted in the mortise 24 through threaded fit.
The simulation disc tool for turning the high-pressure blade simulates the shape and the precision of a high-pressure turbine disc, and in specific implementation, 50 mortises are uniformly arranged on the mounting edge 23, and 50 jackscrews are used for fastening the blade after the blade is mounted, so that the machining quality of the blade can be ensured, and fatigue fracture cannot be caused.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined by the appended claims.
Claims (3)
1. The utility model provides a high pressure blade is simulation dish frock for turning which characterized in that includes: the device comprises a mandrel, an installation disc, a flange plate, a left pressing plate, a right pressing plate, a left nut, a right nut and a locking nut;
the mounting disc comprises a disc surface, a connecting pipe and a mounting edge, wherein a shaft hole is formed in the center of the disc surface, the connecting pipe is formed by extending from the shaft hole to two sides of the disc surface, the mounting edge is cylindrical, the mounting edge is formed by extending from the edge of the disc surface to one side of the disc surface, a plurality of mortises for mounting blades are uniformly arranged on the mounting edge, and jackscrews are arranged at the bottoms of the mortises;
the flange plate comprises a mounting pipe and a mounting plate, the mounting pipe extends from a central hole of the mounting plate to one side of the mounting plate, the inside of the mounting pipe is of a stepped structure, and the large inner diameter end of the mounting pipe is connected with the central hole of the mounting plate;
the connecting pipe of the mounting disc is mounted on the mandrel through a flat key, the mandrel is provided with a flange, the flange plate is sleeved on the mandrel, the outer peripheral surface of the mounting plate is in contact with the inner peripheral surface of the mounting edge, one end of the connecting pipe abuts against the flange, and the other end of the connecting pipe abuts against a step in the mounting pipe; the left pressing plate is sleeved on the connecting pipe from the outer side, and the left nut is arranged on the outer side of the left pressing plate and is connected with the connecting pipe through threads so as to tightly press the left pressing plate and the disc surface of the mounting disc; the right pressing plate is sleeved on the mounting pipe from the outer side, the edge of the right pressing plate abuts against the mounting edge, and the right nut is arranged on the outer side of the right pressing plate and is connected with the mounting pipe through threads so as to tightly press the right pressing plate and the mounting plate of the flange plate; the locking nut is sleeved on the mandrel and located on the outer side of the right nut, and the mounting pipe of the flange plate is tightly pressed.
2. The simulated disc tool for turning the high-pressure blade as claimed in claim 1, wherein the disc surface of the mounting disc and the mounting plate of the flange disc are locked by bolts in the axial direction.
3. The simulation disc tool for turning the high-pressure blade as claimed in claim 1, wherein a threaded hole is formed in the bottom of the mortise of the mounting edge, and the jackscrew tightly jacks the blade mounted in the mortise through threaded fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911184903.9A CN110802239A (en) | 2019-11-27 | 2019-11-27 | Simulation disc tool for turning high-pressure blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911184903.9A CN110802239A (en) | 2019-11-27 | 2019-11-27 | Simulation disc tool for turning high-pressure blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110802239A true CN110802239A (en) | 2020-02-18 |
Family
ID=69491649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911184903.9A Pending CN110802239A (en) | 2019-11-27 | 2019-11-27 | Simulation disc tool for turning high-pressure blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110802239A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118924A (en) * | 2021-06-17 | 2021-07-16 | 中国航发上海商用航空发动机制造有限责任公司 | Rotor blade changing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU614897A1 (en) * | 1977-01-03 | 1978-07-15 | Пермский Моторостроительный Завод Им.Я.М.Свердлова | Multiple chuck |
| US20070084053A1 (en) * | 2005-10-17 | 2007-04-19 | Pratt & Whitney Canada Corp. | Blade tip grinding tooling |
| CN102155928A (en) * | 2011-03-03 | 2011-08-17 | 西北工业大学 | Fixture for three-coordinate measuring machine of blade and method for establishing measuring coordinate system |
| CN106737172A (en) * | 2016-12-21 | 2017-05-31 | 中国南方航空工业(集团)有限公司 | Grinding attachment |
| CN106736700A (en) * | 2016-12-29 | 2017-05-31 | 无锡透平叶片有限公司 | For the grip device of turbine blade root bottom surface Milling Process |
| CN108115564A (en) * | 2017-12-18 | 2018-06-05 | 中国航发南方工业有限公司 | Reaction wheel blade tip grinding and clamping frock |
-
2019
- 2019-11-27 CN CN201911184903.9A patent/CN110802239A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU614897A1 (en) * | 1977-01-03 | 1978-07-15 | Пермский Моторостроительный Завод Им.Я.М.Свердлова | Multiple chuck |
| US20070084053A1 (en) * | 2005-10-17 | 2007-04-19 | Pratt & Whitney Canada Corp. | Blade tip grinding tooling |
| CN102155928A (en) * | 2011-03-03 | 2011-08-17 | 西北工业大学 | Fixture for three-coordinate measuring machine of blade and method for establishing measuring coordinate system |
| CN106737172A (en) * | 2016-12-21 | 2017-05-31 | 中国南方航空工业(集团)有限公司 | Grinding attachment |
| CN106736700A (en) * | 2016-12-29 | 2017-05-31 | 无锡透平叶片有限公司 | For the grip device of turbine blade root bottom surface Milling Process |
| CN108115564A (en) * | 2017-12-18 | 2018-06-05 | 中国航发南方工业有限公司 | Reaction wheel blade tip grinding and clamping frock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118924A (en) * | 2021-06-17 | 2021-07-16 | 中国航发上海商用航空发动机制造有限责任公司 | Rotor blade changing method |
| CN113118924B (en) * | 2021-06-17 | 2021-09-03 | 中国航发上海商用航空发动机制造有限责任公司 | Rotor blade changing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200218 |
|
| WD01 | Invention patent application deemed withdrawn after publication |