CN211638583U - Workpiece positioning and position adjusting unit for turbine disc mortise - Google Patents
Workpiece positioning and position adjusting unit for turbine disc mortise Download PDFInfo
- Publication number
- CN211638583U CN211638583U CN201922207071.XU CN201922207071U CN211638583U CN 211638583 U CN211638583 U CN 211638583U CN 201922207071 U CN201922207071 U CN 201922207071U CN 211638583 U CN211638583 U CN 211638583U
- Authority
- CN
- China
- Prior art keywords
- driving mechanism
- turbine disc
- workpiece positioning
- rotating
- horizontal
- 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
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
A workpiece positioning and position adjusting unit for a turbine disc mortise comprises a workpiece positioning tool, a first rotating table, a second rotating table and a horizontal driving mechanism; the workpiece positioning tool is positioned on a first rotary table, the first rotary table is rotatably positioned on a connecting arm of a second rotary table by taking the axis of the turbine disc as a shaft, the second rotary table is rotatably connected to a horizontal driving mechanism, and the rotating shaft is positioned on a horizontal plane; the horizontal driving mechanism comprises an X-axis driving mechanism and a Y-axis driving mechanism which are movably matched in the horizontal direction, wherein one driving mechanism is assembled and positioned with the seat body, and the other driving mechanism is assembled and positioned with the second rotating table. The utility model has the advantages of structural design is ingenious, and the machining precision is high and machining efficiency is high.
Description
Technical Field
The utility model relates to a numerical control spark-erosion machining technical field, concretely relates to work piece location and position adjustment unit of turbine disc tongue-and-groove.
Background
The turbine disc 1 is an extremely key part of an engine for aerospace, aviation and navigation, and mainly comprises a whole body and dozens of Christmas tree-shaped mortises 2 which are distributed on a rim and have an inclination angle alpha, and the mortises 2 are connected with turbine blades to form a turbine rotor capable of rotating at high speed, so that the turbine rotor is an execution part for converting heat energy of engine fuel into mechanical energy. The working environment of the turbine disc 1 is extremely severe, and high temperature, high pressure, gas impact, centrifugal force of the blades and the blades, cold and hot variation, stress cycle, vibration, fatigue and the like are required, so the processing quality of the mortise 2 directly affects the fatigue resistance and the service life of the turbine disc 1.
Usually, the mortise 2 is mostly processed by traditional mechanical broaching, and a special broach needs to be designed for each shape of the mortise 2, from coarse to fine, the number of the broach is about ten, and the broach has various specifications, long manufacturing period and high price. After each workpiece is replaced, technological parameters and the cutter are required to be adjusted again, so that the cutter changing time is long, the flexibility is poor, and the efficiency is low. And because the material of the turbine disc 1 belongs to high-temperature nickel-based alloy, the nickel content is more than 70%, the turbine disc is tough and sticky, the machining hardening degree is high, and with the continuous improvement of the hardness of the material, a broaching tool is extremely easy to wear and even break, the use and maintenance cost is extremely high, the precision cannot be ensured, the surface of the mortise 2 can generate pull marks, micro cracks and stress, and the fatigue resistance of parts is seriously reduced. Meanwhile, the whole set of broaching equipment is high in investment at one time and needs millions of parts.
In order to overcome the defects of the traditional mechanical broaching machining, a numerical control one-way wire-moving electric spark wire cutting machine tool is innovated in the industry, the electric spark machining principle is adopted, the three-dimensional complex shape of the part can be cut, the influence of the machining difficulty of high-temperature alloy is hardly caused, no cutting force is generated during machining, and the method is a machining mode of 'soft-hard'. The electric spark machining process has the advantages of energy conservation, high precision, good surface integrity, and u-level machining precision, and can completely meet the requirements of the machining process of turbine mortises. However, in the prior art, the unidirectional wire-moving cutting machine only has X, Y, Z, U, V five linear shafts, and cannot complete numerical control indexing processing of mortises with inclined angles.
Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.
Disclosure of Invention
The utility model aims at providing a work piece location and position adjustment unit of turbine disc tongue-and-groove.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a workpiece positioning and position adjusting unit for a turbine disc mortise comprises a workpiece positioning tool, a first rotating table, a second rotating table and a horizontal driving mechanism;
the workpiece positioning tool is positioned on the first rotary table and used for clamping and positioning a turbine disc to be machined; the first rotary table is rotationally positioned on a connecting arm by taking the axis of the turbine disc as a shaft, the connecting arm is fixedly arranged on the second rotary table, the second rotary table is rotationally connected to the horizontal driving mechanism, and the rotating shaft of the second rotary table is positioned on the horizontal plane; the horizontal driving mechanism comprises an X-axis driving mechanism and a Y-axis driving mechanism which are movably matched in the horizontal direction, one of the X-axis driving mechanism and the Y-axis driving mechanism is assembled and positioned with the base body to perform horizontal reciprocating displacement, and the other one of the X-axis driving mechanism and the Y-axis driving mechanism is assembled and positioned with the second rotating table to be rotatably connected with the second rotating table.
The relevant content in the above technical solution is explained as follows:
1. in the above scheme, the workpiece positioning tool comprises a mandrel, and the turbine disc penetrates through the central hole of the mandrel and is clamped and fixed through a bolt.
2. In the above scheme, the rotating shaft of the second rotating table, the central line of the lower surface of the turbine disc and the wire inlet end of the lower guider are located on the same horizontal line.
The utility model discloses a theory of operation and advantage as follows:
the utility model relates to a workpiece positioning and position adjusting unit of a turbine disc mortise, which comprises a workpiece positioning tool, a first rotating table, a second rotating table and a horizontal driving mechanism; the workpiece positioning tool is positioned on a first rotary table, the first rotary table is rotatably positioned on a connecting arm of a second rotary table by taking the axis of the turbine disc as a shaft, the second rotary table is rotatably connected to a horizontal driving mechanism, and the rotating shaft is positioned on a horizontal plane; the horizontal driving mechanism comprises an X-axis driving mechanism and a Y-axis driving mechanism which are movably matched in the horizontal direction, wherein one driving mechanism is assembled and positioned with the seat body, and the other driving mechanism is assembled and positioned with the second rotating table.
Compared with the prior art, the utility model discloses a satisfy the processing needs to the turbine disc tongue-and-groove, provided a one-way wire cut electrical discharge machining equipment of walking of numerical control electric spark with two rotation axes and three sharp axle. The X, Y shaft is arranged on the lathe bed and used for synthesizing the mortise-shaped track motion, the B shaft of the rotating shaft is arranged on the X, Y driving mechanism and used for adjusting the axis of the turbine disc and the inclination angle alpha of the wire electrode, and the C shaft of the rotating shaft is rotationally connected with the second rotating table of the B shaft and used for automatically indexing after each mortise is cut. When the processing is carried out, no matter what type of workpiece, the mortises with different shapes and angles can be flexibly cut out only through numerical control programming control, and the processed surface has good quality and almost has no micro-cracks and re-melting layers. To sum up, the utility model has the advantages of structural design is ingenious, and machining precision is high and machining efficiency is high, and can have the commonality of preferred.
Drawings
Fig. 1 is a schematic structural diagram (side view) of a turbine disc according to the present invention;
fig. 2 is a schematic structural diagram (top view) of a turbine disk according to the present invention;
FIG. 3 is a schematic view of the shape of the mortise of the turbine disk according to the present invention;
fig. 4 is a front view of an embodiment of the present invention;
fig. 5 is a left side view of an embodiment of the present invention;
fig. 6 is a top view of an embodiment of the present invention;
FIG. 7 is a schematic structural view of a workpiece positioning and position adjusting unit according to an embodiment of the present invention when the mortise is in a normal inclination state;
fig. 8 is a schematic structural view of the workpiece positioning and position adjusting unit according to the embodiment of the present invention when the mortise is in a reverse-rotation inclined state.
In the above drawings: 0. a wire electrode; 1. a turbine disk; 2. mortises; 3. a base body; 4. a workpiece positioning tool; 5. a first rotating table; 6. a second rotating table; 7. an axis of the turbine disk; 8. a connecting arm; 9. a rotating shaft of the second rotating table; 10, an X-axis carriage; a Y-axis carriage; 12. a column; 13. an upper guide; 14. a lower guide; 15. a filament collecting mechanism; 16. a tension pulley; 17. a guide wheel; 18. a reel; 19, a Z-axis carriage; 20. a paying-off wheel; and alpha is an angle.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure may be shown and described, and which, when modified and varied by the techniques taught herein, can be made by those skilled in the art without departing from the spirit and scope of the disclosure.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms "a", "an", "the" and "the", as used herein, also include the plural forms.
The terms "first," "second," and the like, as used herein, do not denote any order or importance, nor do they denote any order or importance, but rather are used to distinguish one element from another element or operation described in such technical terms.
As used herein, "connected" or "positioned" refers to two or more elements or devices being in direct physical contact with each other or in indirect physical contact with each other, and may also refer to two or more elements or devices being in operation or acting on each other.
As used herein, the terms "comprising," "including," "having," and the like are open-ended terms that mean including, but not limited to.
As used herein, the term (terms), unless otherwise indicated, shall generally have the ordinary meaning as commonly understood by one of ordinary skill in the art, in this written description and in the claims. Certain words used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the disclosure.
Referring to fig. 4 to 8, the workpiece positioning and position adjusting unit for the turbine disc mortise is applied to an electric spark unidirectional wire cutting and machining device for the turbine disc mortise, and is positioned on a base body 3 of the device and comprises a workpiece positioning tool 4, a first rotating table 5, a second rotating table 6 and a horizontal driving mechanism.
The workpiece positioning tool 4 is positioned on the first rotary table 5 and used for clamping and positioning the turbine disc 1 to be machined; the workpiece positioning tool 4 comprises a mandrel, the turbine disc 1 penetrates through a central hole of the mandrel and is clamped and fixed through a bolt, so that the effect of quick assembly and disassembly is achieved, and meanwhile, the stability after positioning can be guaranteed.
The first rotating platform 5 is rotationally positioned on a connecting arm 8 by taking an axis 7 of the turbine disc 1 as a shaft, the connecting arm 8 is fixedly arranged on the second rotating platform 6, the second rotating platform 6 is rotationally connected to the horizontal driving mechanism, and a rotating shaft 9 of the second rotating platform 6 is positioned on a horizontal plane; the horizontal driving mechanism comprises an X-axis driving mechanism (comprising an X-axis carriage 10) and a Y-axis driving mechanism (comprising a Y-axis carriage 11), the X-axis driving mechanism and the Y-axis driving mechanism are movably matched in the horizontal direction, one of the X-axis driving mechanism and the Y-axis driving mechanism is assembled and positioned with the base body 3 to perform horizontal reciprocating displacement, and the other one of the X-axis driving mechanism and the Y-axis driving mechanism is assembled and positioned with the second rotating table 6 to be rotatably connected with the second.
The processing equipment also comprises a wire winding and unwinding and positioning unit of the wire electrode, the unit is positioned on the upright post 12 of the equipment and comprises a wire unwinding mechanism, an upper guider 13, a lower guider 14 and a wire winding mechanism 15.
The wire unwinding mechanism at least comprises a wire unwinding wheel 20, a wire outlet end of the wire unwinding wheel 20 corresponds to a wire inlet end of the upper guider 13, the wire outlet end of the upper guider 13 is arranged over against the wire inlet end above the lower guider 14, and the electrode wire 0 is fed out by the wire unwinding mechanism and then vertically and downwards enters the lower guider 14 through the upper guider 13; and the wire take-up end of the wire take-up mechanism 15 is arranged corresponding to the wire outlet end of the lower guider 14.
Preferably, the filament releasing mechanism further comprises a tension wheel 16 and at least one guide wheel 17, and the tension wheel 16 and the guide wheel 17 are connected in series between the pay-off wheel 16 and the upper guide 13. The tension wheel 16 adjusts the output torque through a hysteresis device arranged in the tension wheel, so that the wire feeding speed of the wire electrode 0 is adjusted, the effect of adjusting the tension of the wire electrode 0 is achieved, and the tension of the wire electrode 0 can effectively cut the edge of the turbine disc 1.
Preferably, a winding wheel 18 is further arranged on one side of the tension wheel 16, the electrode wire 0 enters the winding wheel 18 after being wound by the tension wheel 16, and returns to the tension wheel 16 after being wound by the winding wheel 18 for secondary winding. By means of the design, the contact between the electrode wire 0 and the tension pulley 16 can be improved, the electrode wire 0 is prevented from slipping on the tension pulley 16, and the effective control of the tension of the electrode wire 0 is facilitated.
Preferably, the upper guide 13 is driven by a Z-axis driving mechanism (including a Z-axis carriage 19) to move and cooperate with the upright post 12 in the vertical direction, so that the distance between the upper guide 13 and the lower guide 14 is adjustable, and the turbine disc 1 with different thicknesses can be adapted to.
Preferably, the rotating shaft 9 of the second rotating table 6 is located on the same horizontal line with the center line of the lower surface of the turbine disk 1 and the line inlet end of the lower guide 14. Therefore, no matter how the turbine disk 1 is turned over, the wire inlet end of the lower guide 14 can be close to the lower surface of the edge of the turbine disk 1 as much as possible, and the cutting efficiency and the cutting quality of the wire electrode 0 can be improved.
Now, the working principle of the present invention is explained as follows:
during operation, the turbine disc 1 is clamped and positioned on the workpiece positioning tool 4, then the second rotating table 6 rotates around the rotating shaft 9 (namely, a shaft B) according to the processing requirement, and the first rotating table 5 is driven by the connecting arm 8 to drive the turbine disc 1 to rotate to a proper processing angle (alpha angle). As shown in fig. 4 to 6, the mortises 2 are in a vertical state, fig. 7 shows that the mortises 2 are in a normal inclined state, and fig. 8 shows that the mortises 2 are in a reverse inclined state.
Then, the Z-axis driving mechanism drives the upper guide 13 to displace to a machining height, and starts cutting work on the edge of the turbine disc 1 through the wire electrode 0. And when cutting, the X-axis driving mechanism and the Y-axis driving mechanism respectively or simultaneously act to enable the turbine disc 1 to displace in a shape corresponding to the shape of the mortise 2 to be machined, so that the special-shaped mortise 2 is cut and machined. During the cutting process, the horizontal position of the wire electrode 0 is kept unchanged.
After the cutting process of one mortise 2 is completed, the first rotating table 5 rotates around the rotating shaft (i.e., a C-axis) thereof to adjust an index of the turbine disc 1, and then continues to perform the cutting process of the next mortise 2 by the actions of the wire electrode 0, the X-axis driving mechanism and the Y-axis driving mechanism. The steps are repeated in this way until the cutting process of all the mortises 2 is completed.
Compared with the prior art, the utility model discloses a satisfy the processing needs to the turbine disc tongue-and-groove, provided a one-way wire cut electrical discharge machining equipment of walking of numerical control electric spark with two rotation axes and three sharp axle. The X, Y shaft is arranged on the base body and used for synthesizing the mortise-shaped track motion, the rotating shaft B is arranged on the X, Y driving mechanism and used for adjusting the axis of the turbine disc and the inclination angle alpha of the wire electrode, and the rotating shaft C is rotationally connected with the second rotating table of the shaft B and used for automatic indexing after each mortise is cut. When the processing is carried out, no matter what type of workpiece, the mortises with different shapes and angles can be flexibly cut out only through numerical control programming control, and the processed surface has good quality and almost has no micro-cracks and re-melting layers. To sum up, the utility model has the advantages of structural design is ingenious, and machining precision is high and machining efficiency is high, and can have the commonality of preferred.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (3)
1. The utility model provides a turbine disc tongue-and-groove's work piece location and position adjustment unit which characterized in that:
the device comprises a workpiece positioning tool, a first rotating table, a second rotating table and a horizontal driving mechanism;
the workpiece positioning tool is positioned on the first rotating table and used for clamping and positioning a turbine disc to be machined; the first rotating platform is rotationally positioned on a connecting arm by taking the axis of the turbine disc as a shaft, the connecting arm is fixedly arranged on the second rotating platform, the second rotating platform is rotationally connected to the horizontal driving mechanism, and the rotating shaft of the second rotating platform is positioned on the horizontal plane; the horizontal driving mechanism comprises an X-axis driving mechanism and a Y-axis driving mechanism which are movably matched in the horizontal direction, one of the X-axis driving mechanism and the Y-axis driving mechanism is assembled and positioned with a base body to perform horizontal reciprocating displacement, and the other one of the X-axis driving mechanism and the Y-axis driving mechanism is assembled and positioned with the second rotating table to be rotatably connected with the second rotating table.
2. The workpiece positioning and position adjustment unit of claim 1, wherein: the workpiece positioning tool comprises a mandrel, and the turbine disc penetrates through the mandrel through a central hole of the turbine disc and is clamped and fixed through a bolt.
3. The workpiece positioning and position adjustment unit of claim 1, wherein: and the rotating shaft of the second rotating platform, the central line of the lower surface of the turbine disc and the wire inlet end of the lower guider are positioned on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922207071.XU CN211638583U (en) | 2019-12-10 | 2019-12-10 | Workpiece positioning and position adjusting unit for turbine disc mortise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922207071.XU CN211638583U (en) | 2019-12-10 | 2019-12-10 | Workpiece positioning and position adjusting unit for turbine disc mortise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211638583U true CN211638583U (en) | 2020-10-09 |
Family
ID=72695493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922207071.XU Active CN211638583U (en) | 2019-12-10 | 2019-12-10 | Workpiece positioning and position adjusting unit for turbine disc mortise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211638583U (en) |
-
2019
- 2019-12-10 CN CN201922207071.XU patent/CN211638583U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019184855A1 (en) | Method and device for machining blisk of aircraft engine | |
| CN106363374A (en) | Numerical control processing method and device for complex molded surface of rotor blade of air compressor | |
| CN201419286Y (en) | Gear shaving processing platform | |
| CN104043852B (en) | Planet boring process | |
| CN109926894A (en) | Turbine disc mortise form grinding process equipment and its application method | |
| CN210232354U (en) | Machining center is with improved generation tool magazine | |
| CN104786078A (en) | Efficient numerical control machining method for integral titanium alloy impeller and matched tool clamp | |
| CN110842311A (en) | Electric spark one-way wire-moving cutting machining equipment for turbine disc mortise | |
| CN202155707U (en) | Numerical control machining center | |
| CN211638583U (en) | Workpiece positioning and position adjusting unit for turbine disc mortise | |
| CN211638584U (en) | Electric spark one-way wire-moving cutting machining equipment for turbine disc mortise | |
| CN202656036U (en) | Screw tap grooving machine | |
| CN210587353U (en) | Horizontal opposite vertex processingequipment of thin wall blade | |
| CN201841303U (en) | Round material chamfering machine | |
| CN108115544A (en) | Horizontal hinge top gem of a girdle-pendant lathe in high precision | |
| CN117001369A (en) | Large-stroke propeller negative angle machining movable column machine | |
| CN206811256U (en) | A kind of turbine disc mortise slow wire feeding processing tool | |
| CN216540851U (en) | Double-cutter numerical control vertical lathe device for machining wind power generation flange plate | |
| CN205614147U (en) | Preparation on throne of fine tool electrode and trimming device | |
| CN205834711U (en) | A kind of complex milling machine tool | |
| CN210588135U (en) | Small five-axis metal cutting machine tool | |
| CN212145147U (en) | Automatic overlaying welding double-shaft positioner for crusher blade | |
| CN210387826U (en) | Novel milling machine | |
| CN113182568A (en) | Special milling machine for machining after rotary welding of tower crane and machining method | |
| CN216263482U (en) | Water pump blade insert surface whirlwind processingequipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |