CN117697625A - Clamp for extrusion grinding finishing of aero-engine blisk - Google Patents
Clamp for extrusion grinding finishing of aero-engine blisk Download PDFInfo
- Publication number
- CN117697625A CN117697625A CN202311791071.3A CN202311791071A CN117697625A CN 117697625 A CN117697625 A CN 117697625A CN 202311791071 A CN202311791071 A CN 202311791071A CN 117697625 A CN117697625 A CN 117697625A
- Authority
- CN
- China
- Prior art keywords
- blisk
- ring
- deflector
- bottom plate
- abrasive
- 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
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims description 2
- 238000005498 polishing Methods 0.000 abstract description 22
- 238000009434 installation Methods 0.000 abstract description 10
- 238000007517 polishing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003082 abrasive agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000005111 flow chemistry technique Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Abstract
The invention discloses a clamp for extrusion grinding finishing of an aeroengine blisk, which comprises a bottom plate, wherein a ring body is coaxially arranged on the bottom plate, a cavity for fixing the blisk is formed inside the ring body, the top of the ring body is connected with an upper grinding cylinder, and the bottom plate is connected with a lower grinding cylinder; wherein, the bottom plate is provided with a diversion hole for abrasive circulation; a supporting structure coaxial with the ring body is arranged on the bottom plate and positioned in the cavity, and the supporting structure is used for fixedly mounting the blisk; the outer peripheral surface of the supporting structure and the inner peripheral surface of the ring body form an abrasive circulation channel, and blades of the blisk are positioned in the abrasive circulation channel; according to the invention, the bottom plate and the ring body are added between the upper abrasive cylinder and the lower abrasive cylinder to provide an installation space for the blisk, and meanwhile, the blisk is fixedly installed in the installation space through the supporting structure, so that the blisk is firmly fixed in the cavity in the blade polishing process, uniform polishing of the blade is realized, and the phenomena of partial over polishing or under polishing are avoided.
Description
Technical Field
The invention belongs to the technical field of aero-engine blisk finishing, and particularly relates to a clamp for extrusion grinding finishing of an aero-engine blisk.
Background
The aeroengine is a main power source of the aircraft in the flight process, the blisk is a novel structural member designed for meeting the requirements of the aeroengine with high performance, the blisk has good rigidity and high balance precision, the service life of the rotor can be prolonged, and the reliability is high.
Numerous practices and fault analyses have shown that in the case of failure of aircraft engine components, fatigue failure is a significant proportion of the weight, and fatigue failure generally originates from the machined surfaces of the component. At present, strict control of the surface integrity of parts has become one of key measures for improving the use reliability of an engine, and control of the surface roughness has always been an important component part in the surface integrity anti-fatigue manufacturing process. The current methods for reducing the surface roughness of the blisk are mainly vibration polishing, hand polishing, extrusion of abrasive particle streams and the like. Compared with other processes, the extrusion abrasive particle flow has the advantages that the processing process is insensitive to the complexity of the cavity or the molded surface, the processing operation process is simple, the processing efficiency is high, the environment pollution such as noise is avoided, the production cost can be obviously reduced, and the processing quality and the production efficiency can be improved.
When the current extrusion abrasive particle flow processes the blisk, the blisk is fixed in the abrasive cylinder, but because of the space limitation of the abrasive cylinder, the fixing effect of the blisk in the abrasive cylinder is difficult to ensure, so that the blisk can generate radial displacement in the processing process, and further uneven stress on the bast side and the back side of the blade is caused, and the polishing effect is affected.
Disclosure of Invention
The invention aims to provide a clamp for extrusion grinding finishing of an aeroengine blisk, which is used for fixing the blisk during extrusion abrasive particle flow processing and avoiding displacement in the processing process.
The invention adopts the following technical scheme: the clamp for extrusion grinding finishing of the blisk of the aeroengine is characterized by comprising a bottom plate, wherein a ring body is coaxially arranged on the bottom plate, a cavity for fixing the blisk is formed inside the ring body, the top of the ring body is connected with an upper grinding cylinder, and the bottom plate is connected with a lower grinding cylinder; wherein, the bottom plate is provided with a diversion hole for abrasive circulation;
a supporting structure coaxial with the ring body is arranged on the bottom plate and positioned in the cavity, and the supporting structure is used for fixedly mounting the blisk;
the outer peripheral surface of the supporting structure and the inner peripheral surface of the ring body form an abrasive circulation channel, and the blades of the blisk are positioned in the abrasive circulation channel.
Further, the ring body comprises a lower guide ring, a support ring group and an upper guide ring which are sequentially arranged;
the inner peripheral surfaces of the lower guide ring and the upper guide ring incline towards the center of the cavity, and the inner peripheral surface of the support ring group is parallel to the axis of the ring body.
Further, the supporting ring group is formed by stacking a plurality of torus.
Further, grooves and bosses are respectively arranged on the adjacent end surfaces of the lower guide ring and the support ring group;
grooves and bosses are respectively arranged on the adjacent end surfaces of the upper guide ring and the support ring group;
wherein, the width of recess and boss that cooperate equals.
Further, grooves and bosses are respectively arranged on the end faces of two adjacent torus bodies, and the widths of the grooves and the bosses which are matched with each other are equal.
Further, the number of the diversion holes is a plurality and evenly distributed in the abrasive circulation channel.
Further, the supporting structure comprises a lower guide plate which is in a disc shape;
the lower guide plate is detachably connected with the bottom plate;
the outer peripheral surface of the lower guide plate is obliquely arranged relative to the axis of the cavity and faces the inner peripheral surface of the lower guide ring.
Further, a supporting seat is arranged on the lower guide plate;
the supporting seat comprises a connecting plate detachably connected with the lower guide plate;
a web supporting block and a web supporting ring are coaxially arranged on the connecting plate, the free end face of the web supporting ring is used for propping against the web outer ring part of the blisk, and the web supporting block is used for propping against the inner ring part of the web.
Further, the supporting structure also comprises an upper guide plate, wherein the upper guide plate is in a circular plate shape and is used for propping against the other end face of the web;
the upper guide plate is detachably connected with the web supporting block;
the end face structure of the upper guide plate is matched with the end face structure of the web.
Further, the outer peripheral surface of the upper deflector is obliquely arranged relative to the axis of the cavity and faces the inner peripheral surface of the upper deflector ring.
The beneficial effects of the invention are as follows: according to the invention, the bottom plate and the ring body are added between the upper abrasive cylinder and the lower abrasive cylinder to provide an installation space for the blisk, and meanwhile, the blisk is fixedly installed in the installation space through the supporting structure, so that the blisk is firmly fixed in the cavity in the blade polishing process, uniform polishing of the blade is realized, and the phenomena of partial over polishing or under polishing are avoided.
Drawings
FIG. 1 is a schematic view of a blisk according to an embodiment of the present invention;
FIG. 2 is a schematic view of an assembled fixture and blisk according to an embodiment of the present invention;
FIG. 3 is a schematic view of a structure without a support ring set according to an embodiment of the present invention;
FIG. 4 is a schematic view of a combined structure of a base, a lower guide ring and a supporting seat according to an embodiment of the present invention;
FIG. 5 is a schematic view illustrating a combination of a base and a lower guide ring according to an embodiment of the present invention;
FIG. 6 is a schematic view of another view of the support ring assembly according to the embodiment of the present invention;
FIG. 7 is a schematic diagram showing the relative positions of the upper baffle ring and the upper baffle seat according to an embodiment of the present invention;
fig. 8 is a schematic diagram of an embodiment of the present invention.
Wherein: 10. a blisk; 11. a blade; 12. a hub hole; 13. a hub; 14. a web;
20. an upper guide ring; 21. a first deflector annulus;
30. a support ring set; 31. a first support ring; 32. a second support ring; 33. a third support ring;
40. a lower guide ring; 41. a second deflector annulus;
50. a bottom plate; 51. a deflector aperture;
60. an upper deflector; 61. a third deflector annulus;
70. a support base; 71. a web support ring; 72. a web support block; 73. a connecting plate;
80. lower deflector, 81. Fourth deflector annulus.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
Due to the structural complexity of the blisk, it is desirable to ensure the accuracy of the blisk positioning during the extrusion abrasive flow finishing process. Otherwise, local over-polishing or under-polishing phenomenon can occur, so that the blisk is disqualified.
The invention discloses a clamp for extrusion grinding finishing of an aero-engine blisk, which is shown in fig. 2 and 8, and comprises a bottom plate 50, wherein a ring body is coaxially arranged on the bottom plate 50, a cavity for fixing the blisk 10 is formed inside the ring body, the top of the ring body is connected with an upper grinding cylinder, and the bottom plate 50 is connected with a lower grinding cylinder; wherein, the bottom plate 50 is provided with a diversion hole 51 for abrasive circulation; a support structure coaxial with the ring body is arranged on the bottom plate 50 and positioned in the cavity, and is used for fixedly mounting the blisk 10; the outer peripheral surface of the support structure and the inner peripheral surface of the ring body form an abrasive flow channel in which the blades of the blisk 10 are located.
According to the invention, the bottom plate and the ring body are added between the upper abrasive cylinder and the lower abrasive cylinder to provide an installation space for the blisk, and meanwhile, the blisk is fixedly installed in the installation space through the supporting structure, so that the blisk is firmly fixed in the cavity in the blade polishing process, uniform polishing of the blade is realized, and the phenomena of partial over polishing or under polishing are avoided.
The bottom plate 50 is preferably circular plate-shaped so as to match the shape of the lower abrasive cylinder, and a boss may be provided on the bottom surface of the bottom plate 50 to facilitate positioning with the abrasive cylinder, as shown in fig. 8. The terms upper, lower, etc. in the present embodiment are all determined by the mounting position of the blisk 10 during polishing.
The ring body and the bottom plate 50 can also be connected in a matched manner by adopting a boss and groove mode, the shape of the outer peripheral surface of the ring body is not limited, but the outer peripheral surface and the structure of the ring body are favorable for the use of the whole clamp, such as balanced stress and the like. The shape and size of the deflector hole 51 may be designed according to the specific practical situation such as the size and angle of the abrasive flow channel.
In the embodiment of the invention, the supporting structure only fixes the blisk 10, and ensures that the blades 11 of the blisk 10 are uniformly distributed in the abrasive circulation channel, so that the stress on the basin side and the back side of the blades 11 can be uniformly ensured.
In the embodiment of the invention, as shown in fig. 1, the blisk 10 comprises a web 14, the periphery of the web 14 is provided with blades 11, the bottom end of the web is provided with a hub 13, and the middle of the web 14 is provided with a hub hole 12. The blisk 10 is mainly polished to the blades 11 during polishing and to ensure that the abrasive does not contact the web 14, care should be taken to avoid damage to the core hole 12 of the blisk 10, as slight errors may lead to immeasurable consequences due to the core hole 12 being fitted to the mounting shaft.
In one embodiment, the ring body includes a lower deflector ring 40, a set of support rings 30, and an upper deflector ring 20, arranged in sequence; the inner peripheral surfaces of the lower guide ring 40 and the upper guide ring 20 are inclined towards the center of the cavity, and the inner peripheral surface of the support ring set 30 is parallel to the axis of the ring body. By arranging the inner peripheral surfaces of the lower guide ring 40 and the upper guide ring 20, abrasive materials can be diffused firstly after entering the cavity, flow through the blades 11 and then converge, and finally, the abrasive materials are reserved from the guide holes 51, so that a diversion effect is achieved.
Specifically, the supporting ring set 30 is formed by stacking a plurality of torus, and the torus can be designed according to the size of the blisk 10, and meanwhile, the blades of the blisk 11 are accommodated between the inner peripheral surface of the torus and the outer peripheral surface of the supporting structure. The supporting ring set 30 in the embodiment of the present invention is composed of a first supporting ring 31, a second supporting ring 32 and a third supporting ring 33, and meanwhile, the end surfaces of two adjacent annular bodies are respectively provided with a groove and a boss, and the widths of the grooves and the bosses which are mutually matched are equal.
In the embodiment of the present invention, grooves and bosses are respectively disposed on adjacent end surfaces of the lower guide ring 40 and the support ring set 30; grooves and bosses are respectively arranged on the adjacent end surfaces of the upper guide ring 20 and the support ring set 30; wherein, the width of recess and boss that cooperate equals. Limiting between connected parts can be realized through the mode of the grooves and the bosses, and the installation is convenient. Although the components are connected through the grooves and the bosses, the abrasive in the wall body is non-Newtonian fluid, so that the abrasive cannot seep out of the connecting gaps.
As a specific implementation mode, the number of the diversion holes 51 is multiple and the diversion holes are uniformly distributed in the abrasive circulation channel, and the pressure and the flow velocity of the abrasive in the wall body can be adjusted by mutually matching the diversion holes 51 with the upper diversion ring 20, wherein one serves as an abrasive inlet and the other serves as an abrasive outlet, so that the stress uniformity of each part of the blade is ensured. Regarding the abrasive inlet and outlet, the guide holes 51 may be used as the abrasive inlet or the abrasive outlet, and the upper guide ring 20 may be used as the abrasive inlet or the abrasive outlet, and how to select the working mode mainly depends on polishing.
For better protection of the web 14 of the blisk 10, the outer diameters of the upper deflector 60, the support seat 70 and the lower deflector 80 are equal to the outer diameter of the hub 13 of the blisk 10.
In one embodiment, the support structure includes a lower baffle 80, the lower baffle 80 being circular-plate shaped; the lower baffle 80 is detachably connected with the bottom plate 50, for example, by adopting a bolt connection mode; the outer circumferential surface of the lower baffle 80 is disposed obliquely with respect to the axis of the cavity and faces the inner circumferential surface of the lower baffle ring 40. In the embodiment of the present invention, as shown in fig. 3, 5, 6 and 8, the outer peripheral surface of the lower baffle 80 serves as a fourth baffle ring surface 81, the inner peripheral surface of the lower baffle ring 40 serves as a second baffle ring surface 41, and the two surfaces are disposed opposite to each other, so as to form an abrasive circulation channel therebetween. The second deflector annulus 41 is at an angle of 37 ° to the horizontal and the fourth deflector annulus 81 is at an angle of 37 ° to the horizontal.
In order to fix the blisk, as shown in fig. 4, a support base 70 is provided on the lower baffle 80; the support base 70 includes a connection plate 73 detachably connected to the lower baffle 80; the web plate 73 is coaxially provided with a web support block 72 and a web support ring 71, and the free end surface of the web support ring 71 is used to press against the outer ring portion of the web 14 of the blisk 10, and the web support block 72 is used to press against the inner ring portion of the web 14. By applying pressure to different parts of the web 14 through the web support ring 71 and the web support blocks 72, respectively, and by combining the pressure of the upper baffle plate 60, the blisk 10 can be firmly fixed against position, particularly against radial displacement.
In the embodiment of the present invention, the supporting structure further includes an upper deflector 60, where the upper deflector 60 is disc-shaped and is used to press against the other end surface of the web 14; the upper baffle 60 is detachably connected with the web support block 72; by this connection, the connector can pass through the hub hole 12 to avoid contact with the inner peripheral surface of the web 14, so as to ensure the dimensional accuracy of the hub hole 12.
The end face structure of the upper baffle 60 matches the end face structure of the web 14. And then the support base 70 is combined, and the two are respectively used for clamping and fixing the blisk on the upper side and the lower side of the blisk 10.
More specifically, the outer circumferential surface of the upper deflector 60 is disposed obliquely with respect to the axis of the chamber and faces the inner circumferential surface of the upper deflector ring 20. As shown in fig. 7 and 8, in the embodiment of the present invention, the outer peripheral surface of the upper deflector 60 is a third deflector ring surface 61, the inner peripheral surface of the upper deflector ring 20 is a first deflector ring surface 21, and a flow channel of the abrasive is formed between the first deflector ring surface 21 and the third deflector ring surface 61. Specifically, the third flow annulus 61 is designed at an angle of 17 ° to the horizontal, and the first flow annulus 21 is designed at an angle of 41 ° to the horizontal.
In the embodiment of the invention, two circumferential flow channels with large upper end opening angle and small lower end opening angle are formed. During the extrusion abrasive stream polishing process, the blisk 10 has the basin side facing up and the back side facing down. The design can better act on the blade-shaped curved surface with abrasive particles, reduce the phenomenon of local over polishing or under polishing of the blisk in the extrusion abrasive particle stream polishing process, and improve the qualification rate of the blisk extrusion abrasive particle stream polishing.
When the common blisk is polished, the flow velocity at the blade back is larger than the flow velocity at the blade basin under the condition that a clamp is not used, and annular streamline is easy to appear at the blade back, so that the blade back is further subjected to local over-polishing. In the embodiment of the invention, a plurality of blades 11 are circumferentially distributed on the blisk 10, a runner is arranged between the two blades 11, and the abrasive is made to reciprocate through the runner in the polishing process of the extrusion abrasive particle flow, so that the purpose of polishing the blisk is achieved. The abrasive used in the extrusion abrasive flow equipment is a non-Newtonian fluid, the flow velocity of the liquid abrasive is smaller near the blade profile, the flow path between the blades is larger, the velocity distribution is in a quadratic curve, and the quadratic curve shape is related to the geometric parameters of the flow path between the blades 11, so that the flow velocity is different at the blade basin and the blade back of the blades. Therefore, the upper and lower guide channels (i.e. the flow channel of the abrasive formed between the first guide ring surface 21 and the third guide ring surface 61, and the abrasive circulation channel formed between the fourth guide ring surface 81 and the second guide ring surface 41) are set to be a cross section with a certain angle, so that the flow field distribution of the abrasive in the flowing process is better.
In summary, the blisk 10 is fixed in the fixture cavity by the upper deflector 60, the upper deflector ring 20, the lower deflector 80, the lower deflector ring 40 and the support base 70, so that the blisk 10 has higher positioning accuracy in the reciprocating motion of the abrasive flow. In addition, the supporting seat 70 and the upper guide 60 are designed to be in a step shape, so that the upper end face and the lower end face of the blisk 10 can be better attached, and the precision of the shaft hole part of the blisk is ensured.
The application method of the clamp comprises the following steps:
before use, the hydraulic cylinder of the extrusion abrasive particle flow equipment is loosened, and the sliding rail is withdrawn to a proper position. The bottom plate 50 is first placed on the lower cylinder and the boss at the lower end is aligned with the lower cylinder. The lower deflector ring 40 is mounted on the bottom plate 50 and the boss at the lower end is aligned with the bottom plate 50. The lower baffle 80 is mounted on the bottom plate 50, after the bolt holes of the lower baffle 80 are aligned with the bolt holes of the bottom plate 50 by adjusting positions, the bolts with phi 22 are used for tightening and fixing, and in addition, a limit wrench is used when the bolts are tightened, so that the lower baffle 80 is horizontally mounted on the bottom plate 50.
The support seat 70 is mounted on the lower deflector 80, and after the bolt holes of the support seat 70 are aligned with the lower deflector 80, the bolt with phi 22 is used for tightening and fixing, and in addition, a torque wrench is used for tightening the bolt, so that the support seat 70 is horizontally mounted on the lower deflector 80.
The third support ring 33 and the second support ring 32 are sequentially installed on the lower guide ring 40, when in installation, the boss of the lower end surface of the third support ring 33 is aligned with the groove of the upper end surface of the lower guide ring 40, and the boss of the lower end surface of the second support ring 32 is aligned with the groove of the upper end surface of the third support ring 33. The blisk 10 is mounted on the supporting seat 70, and the corresponding parts of the blisk 10 and the supporting seat 70 are guaranteed to be mounted in place during mounting, and in addition, the blisk 10 is guaranteed not to collide during mounting of the blisk, so that the blisk is prevented from being damaged.
The upper baffle 60 is mounted on the blisk 10, and the upper baffle 60 and the corresponding part of the blisk 10 are mounted in place while the bolt holes of the upper baffle 60 are aligned with the bolt holes of the support base 70, and in addition, a torque wrench is used when tightening the bolts to ensure that the upper baffle 60 is mounted horizontally on the blisk 10.
The first supporting ring 31 is installed on the second supporting ring 32, and then the upper guide ring 20 is installed on the first supporting ring 31, so that the lower end face groove of the upper guide ring 20 corresponds to the boss position of the upper end face of the first supporting ring 31 during installation. After the installation, the sliding rail is slid back to the position of the abrasive cylinder, and after the abrasive cylinder is pressed, the whole leaf disc 10 is polished by extrusion abrasive particle flow.
Claims (10)
1. The clamp for extrusion grinding and finishing of the aeroengine blisk is characterized by comprising a bottom plate (50), wherein a ring body is coaxially arranged on the bottom plate (50), a cavity for fixing the blisk (10) is formed inside the ring body, the top of the ring body is connected with an upper grinding cylinder, and the bottom plate (50) is connected with a lower grinding cylinder; wherein, the bottom plate (50) is provided with a diversion hole (51) for abrasive circulation;
a support structure coaxial with the ring body is arranged on the bottom plate (50) and positioned in the cavity, and is used for fixedly mounting the blisk (10);
the outer peripheral surface of the supporting structure and the inner peripheral surface of the ring body form an abrasive circulation channel, and blades of the blisk (10) are positioned in the abrasive circulation channel.
2. A fixture for aero-engine blisk extrusion grinding finishing as claimed in claim 1, wherein said ring body comprises a lower deflector ring (40), a set of support rings (30) and an upper deflector ring (20) arranged in sequence;
the inner peripheral surfaces of the lower guide ring (40) and the upper guide ring (20) incline towards the center of the cavity, and the inner peripheral surface of the support ring set (30) is parallel to the axis of the ring body.
3. A clamp for aeroengine blisk extrusion grinding finishing as claimed in claim 2, wherein said set of support rings (30) consists of a stack of several torus bodies.
4. A clamp for extrusion grinding finishing of aero-engine blisks according to claim 2 or 3, characterized in that the adjacent end faces of the lower guide ring (40) and the supporting ring set (30) are provided with grooves and bosses, respectively;
grooves and bosses are respectively arranged on the adjacent end surfaces of the upper guide ring (20) and the support ring set (30);
wherein, the width of recess and boss that cooperate equals.
5. A fixture for extrusion grinding finishing of an aero-engine blisk according to claim 3, wherein grooves and bosses are respectively provided on the end faces of two adjacent annular bodies, and the widths of the grooves and bosses which are mutually matched are equal.
6. A fixture for aeroengine blisk extrusion grinding finishing as in claim 1 or 5, wherein the number of said deflector holes (51) is a plurality and uniformly distributed in said abrasive flow-through channel.
7. A fixture for aeroengine blisk extrusion grinding finishing as claimed in claim 6, wherein said support structure comprises a lower deflector (80), said lower deflector (80) being disc-shaped;
the lower guide plate (80) is detachably connected with the bottom plate (50);
the outer peripheral surface of the lower deflector (80) is inclined relative to the axis of the cavity and faces the inner peripheral surface of the lower deflector ring (40).
8. A clamp for extrusion grinding finishing of aeroengine blisks as in claim 7, characterized in that said lower deflector (80) is provided with a support seat (70);
the supporting seat (70) comprises a connecting plate (73) detachably connected with the lower guide plate (80);
a web support block (72) and a web support ring (71) are coaxially arranged on the connecting plate (73), the free end face of the web support ring (71) is used for propping against the outer ring part of the web (14) of the blisk (10), and the web support block (72) is used for propping against the inner ring part of the web (14).
9. A clamp for aeroengine blisk extrusion grinding finishing as claimed in claim 8, wherein said support structure further comprises an upper deflector (60), said upper deflector (60) being circular plate-shaped for pressing against the other end face of said web (14);
the upper deflector (60) is detachably connected with the web support block (72);
the end face structure of the upper deflector (60) is matched with the end face structure of the web (14).
10. A clamp for aero-engine blisk extrusion grinding finishing as claimed in claim 9, wherein the outer peripheral surface of the upper deflector (60) is inclined with respect to the axis of the cavity and faces the inner peripheral surface of the upper deflector ring (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311791071.3A CN117697625A (en) | 2023-12-25 | 2023-12-25 | Clamp for extrusion grinding finishing of aero-engine blisk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311791071.3A CN117697625A (en) | 2023-12-25 | 2023-12-25 | Clamp for extrusion grinding finishing of aero-engine blisk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117697625A true CN117697625A (en) | 2024-03-15 |
Family
ID=90156777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311791071.3A Pending CN117697625A (en) | 2023-12-25 | 2023-12-25 | Clamp for extrusion grinding finishing of aero-engine blisk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117697625A (en) |
-
2023
- 2023-12-25 CN CN202311791071.3A patent/CN117697625A/en active Pending
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