CN210548649U - Aero-engine outer ring blade profile hole electric spark machining device - Google Patents
Aero-engine outer ring blade profile hole electric spark machining device Download PDFInfo
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- CN210548649U CN210548649U CN201921357494.3U CN201921357494U CN210548649U CN 210548649 U CN210548649 U CN 210548649U CN 201921357494 U CN201921357494 U CN 201921357494U CN 210548649 U CN210548649 U CN 210548649U
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- outer ring
- arc step
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Abstract
The utility model relates to an aeroengine outer ring leaf type hole spark-erosion machining device belongs to an engine outer loop processing equipment, including an anchor clamps and an electrode assembly, anchor clamps are equipped with one and support the base, an hypotenuse that supports the base is equipped with an arc step, the outer loop remains to be processed to the arc step internal fixation, through the centre of a circle of confirming the arc step on anchor clamps, can effectively confirm the rotation machining center of outer loop to the machining center that can be fast accurate finds out the work piece puts, in the numerical control spark-erosion machine tool with rotation machining center's corresponding data input connection electrode assembly, can make spark-erosion equipment carry out the circumference law along above-mentioned centre of a circle and remove, carry out the processing in outer ring leaf type hole, improved the machining efficiency and the machining precision in engine outer ring leaf type hole greatly.
Description
Technical Field
The utility model relates to an engine outer loop processing equipment, in particular to aeroengine outer loop leaf profile hole spark-erosion machining device.
Background
The shape of the outer ring blade profile hole of the aero-engine is complex, the precision is high, the processing is extremely difficult, the profile quality and the size precision directly influence the quality of subsequent brazing, and further influence the quality of the whole sector, so the processing precision and the surface quality of the outer ring blade profile hole are particularly important in engine parts. At present, the commonly used processing methods of the leaf-shaped hole include a punching method, a numerical control punching method, a linear cutting processing method, a laser cutting method and the like.
However, the sprint method has the defect of poor interchangeability at the front edge and the rear edge of the blade-shaped hole; the numerical control stamping method has the defects that the minimum stamping curvature radius is difficult to meet the requirement of modern engine blades and a punch is easy to wear; the linear cutting has the defects that the thickness of a recasting layer is difficult to control, the determination of hole positions is long in time consumption during the processing of annular holes, and the processing efficiency is low; laser cutting is gradually widely used due to the advantages of high precision and high speed, but corner burning is easily caused when the sizes of the corners at the front edge and the rear edge of the leaf-shaped hole are small, so that waste products are easily caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's defect, the utility model provides an aeroengine outer ring leaf type hole spark-erosion machining device, including an anchor clamps, this anchor clamps are equipped with one and support the base, it is used for fixed outer loop to support the base to be equipped with an circular arc step, through the centre of a circle of confirming the circular arc step on supporting the base, can confirm the processing rotation center of this outer loop, and the C axle according to this rotation center control numerical control spark-erosion machine tool carries out rotary machining, can effectively shorten the location and the process time of outer loop.
The technical scheme for realizing the purpose is as follows:
the utility model provides an aeroengine outer ring blade type hole spark-erosion machining device, including
The fixture is provided with a supporting base, the supporting base is provided with a right-angle edge and a bevel edge which are adjacent, the bevel edge is provided with an arc step, the arc step is provided with an arc surface and a corresponding circle center, an outer ring is arranged in the arc step, the shape of the annular surface of the outer ring is consistent with that of the arc surface, the circle center is the circle center of the outer ring, namely the rotating machining center of the outer ring, the outer ring is provided with a bottom part arranged in the arc step and an upper part positioned above the supporting base, and the bottom part is provided with a plurality of clamping devices for fixing the outer ring so that the outer ring is tightly attached to the arc surface of the arc step and is prevented from deforming;
the positioning device is connected to the upper surface of the supporting base and provided with a pressing plate, one end of the upper portion of the positioning device is located below the pressing plate and used for fixing the outer ring and preventing the outer ring from moving upwards, the other end of the upper portion of the positioning device is connected with a fixing device and used for fixing the other end of the outer ring, and the outer ring to be machined is effectively fixed through a clamping device on the outer side surface of the outer ring and the positioning devices and the fixing devices at the two ends of the outer ring;
the numerical control electric spark machine tool further comprises an electrode device, the electrode device is close to the outer side face of the outer ring, and the electrode device is connected with a C shaft of the numerical control electric spark machine tool.
Furthermore, the clamping device is a first knob, and the outer ring is tightly attached to the arc step of the support base by rotating the first knob.
Furthermore, one side of the fixing device, which is far away from the outer ring, is provided with a second knob, and the two end parts of the outer ring are effectively fixed by rotating the second knob.
Has the advantages that: compared with the prior art, the utility model discloses a difference lies in, the utility model provides an aeroengine outer ring leaf type hole spark-erosion machining device, including an anchor clamps and an electrode assembly, anchor clamps are equipped with one and support the base, an hypotenuse that supports the base is equipped with an circular arc step, circular arc step internal fixation remains the processing outer loop, through the centre of a circle of confirming the circular arc step on anchor clamps, can effectively confirm the rotation machining center of outer loop to the machining center that can be fast accurate finds out the work piece puts, in the numerical control machine tool of the corresponding data input connection electrode assembly of rotation machining center, can make the spark-erosion equipment carry out the circumference law along above-mentioned centre of a circle and remove, carries out the processing in outer ring leaf type hole, has improved the machining efficiency and the machining precision in engine outer ring leaf type hole greatly.
Drawings
FIG. 1 is a schematic structural diagram of an electric spark machining device for an outer ring blade-shaped hole of an aircraft engine.
FIG. 2 is a top view of an aircraft engine outer ring blade type hole electric discharge machining device.
The device comprises a clamp 1, a support base 10, a right-angle side 11, a bevel side 12, a circular arc step 13, a circle center 14, an outer ring 2, an upper portion 21, a clamping device 3, a positioning device 4, a pressing plate 41, a fixing device 5, a second knob 51 and an electrode device 6.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, the utility model provides an aeroengine outer ring blade type hole spark-erosion machining device, which comprises
The fixture 1 is provided with a supporting base 10, the supporting base 10 is provided with a right-angle side 11 and a bevel side 12 which are adjacent, the bevel side 12 is provided with an arc step 13, the arc step 13 is provided with an arc surface and a corresponding circle center 14, an outer ring 2 is arranged in the arc step, the shape of the annular surface of the outer ring is consistent with that of the arc surface, the circle center 14 is the circle center of the outer ring 2, namely the rotating machining center of the outer ring 2, the outer ring 2 is provided with a bottom part arranged in the arc step 13 and an upper part 21 positioned above the supporting base 10, and the bottom part is provided with three clamping devices 3 for fixing the outer ring 2, so that the outer ring 2 is tightly attached to the arc surface of the arc step 13 and is prevented from deforming;
a positioning device 4 is arranged at the joint of the right-angle side 11 and the bevel side 12 and used for positioning the end face of one end of the outer ring 2, the positioning device 4 is fixed on the supporting base 10, the right end face of the fixing device 4 and the circle center 14 are on the same plane, so as to determine the initial processing position of the leaf-shaped hole in the outer ring 2, the positioning device 4 is provided with a pressing plate 41, the left end of the upper part 21 is positioned below the pressing plate 41 and used for fixing the left end of the outer ring 2 and preventing the outer ring 2 from moving upwards, the other end of the upper part is connected with a fixing device 5 and used for fixing the right end of the outer ring 2, and the outer ring 2 to be processed is effectively fixed through the clamping device 3 on the outer side face of the outer ring 2 and the positioning devices 4 and;
the blade-shaped hole machining device is characterized by further comprising an electrode device 6, wherein the electrode device 6 is close to the outer side face of the outer ring 2, the electrode device 6 is connected with a C shaft of a numerical control electric spark machine tool, and the electrode device 6 moves on the C shaft in a circular regular mode along the circle center 14 to machine a blade-shaped hole.
Preferably, the clamping device 3 is a first knob, and the outer ring 2 is tightly attached to the circular arc step of the support base 10 by rotating the first knob.
Preferably, the side of the fixing device 5 away from the outer ring 2 is provided with a second knob 51, such as a triangular knob, a seven-angle knob, etc., and the two ends of the outer ring 2 are effectively fixed by rotating the second knob.
It should be noted that the terms "first and second" in the present invention are used for descriptive purposes only, do not denote any order, are not to be construed as indicating or implying any relative importance, and are to be interpreted as names.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (3)
1. An electric spark machining device for an outer ring blade profile hole of an aircraft engine is characterized by comprising
The fixture is provided with a supporting base, the supporting base is provided with a right-angle edge and a bevel edge which are adjacent, the bevel edge is provided with an arc step, the arc step is provided with an arc surface and a corresponding circle center, an outer ring is arranged in the arc step, the shape of the annular surface of the outer ring is consistent with that of the arc surface, the outer ring is provided with a bottom arranged in the arc step and an upper part positioned above the supporting base, and the bottom is provided with a plurality of clamping devices;
a positioning device is arranged at the joint of the right-angle edge and the bevel edge, the positioning device is connected to the upper surface of the supporting base and provided with a pressing plate, one end of the upper part is positioned below the pressing plate, and the other end of the upper part is connected with a fixing device;
the numerical control electric spark machine tool further comprises an electrode device, the electrode device is close to the outer side face of the outer ring, and the electrode device is connected with a C shaft of the numerical control electric spark machine tool.
2. The aircraft engine outer ring airfoil hole electric discharge machining device according to claim 1, characterized in that:
the clamping device is a first knob.
3. The aircraft engine outer ring airfoil hole electric discharge machining device according to claim 1, characterized in that:
and a second knob is arranged on one side of the fixing device, which is far away from the outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357494.3U CN210548649U (en) | 2019-08-21 | 2019-08-21 | Aero-engine outer ring blade profile hole electric spark machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357494.3U CN210548649U (en) | 2019-08-21 | 2019-08-21 | Aero-engine outer ring blade profile hole electric spark machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210548649U true CN210548649U (en) | 2020-05-19 |
Family
ID=70674862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921357494.3U Active CN210548649U (en) | 2019-08-21 | 2019-08-21 | Aero-engine outer ring blade profile hole electric spark machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210548649U (en) |
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2019
- 2019-08-21 CN CN201921357494.3U patent/CN210548649U/en active Active
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