CN217648206U - Platform and system of processing of blisk abrasive water jet processing usefulness - Google Patents
Platform and system of processing of blisk abrasive water jet processing usefulness Download PDFInfo
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- CN217648206U CN217648206U CN202221861945.9U CN202221861945U CN217648206U CN 217648206 U CN217648206 U CN 217648206U CN 202221861945 U CN202221861945 U CN 202221861945U CN 217648206 U CN217648206 U CN 217648206U
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- abrasive water
- blisk
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Abstract
The utility model discloses a platform and system of processing that blisk abrasive water jet machining used, including slewer, every single move mechanism, wherein slewer comprises rotary platform, driving motor mount pad, driving motor, every single move mechanism include bearing platform and every single move actuating mechanism, the driving motor mount pad install in bearing platform bottom, driving motor fixes on the driving motor mount pad, rotary platform installs on the bearing platform, driving motor drive rotary platform rotate around the Z axle, every single move actuating mechanism drive bearing platform carry out every single move.
Description
Technical Field
The utility model relates to a digit control machine tool equipment field especially relates to a platform and system of processing that blisk abrasive water jet machining used.
Background
Along with the development of a high-thrust aero-engine, the requirements of the high-thrust aero-engine on a blade disc are improved, and the integral blade disc is smaller in gas loss rate, larger in thrust-weight ratio and better in stability compared with the blade disc separated from a traditional blade and a traditional rotor. However, the blisk is made of alloy materials difficult to machine and complex in structure, the appearance of the blades is a complex free-form surface, machining is difficult due to overlapping of the blades, most materials need to be removed in rough machining in the whole machining period, and due to the adoption of traditional cutting machining, a cutter is seriously abraded, the machining time is long, and the efficiency is low. The abrasive water jet machining efficiency is high, the selectivity to materials is low, and the abrasive water jet machining method has a good application prospect in rough machining of the blisk. However, the inventor finds that the abrasive water jet nozzle cutting head of the existing five-axis abrasive water jet machine tool can perform reciprocating linear motion along the X direction, the Y direction and the Z direction, and perform +/-180-degree rotation motion around the Z axis and +/-45-degree swinging motion around the Y axis so as to realize adjustment of different erosion angles, but a machining platform of the five-axis abrasive water jet machine tool is fixed, so that the machining defects such as over-cut and under-cut exist sometimes due to the limited freedom of the machine tool during machining of a blisk.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that exists among the prior art, the utility model aims at providing a platform that blisk abrasive water jet machining used, this platform can make the no interference space relative increase of nozzle to avoid processing to interfere and to the secondary damage to machined surface.
The utility model adopts the technical scheme as follows:
in order to solve the technical problem, the utility model provides a platform that blisk abrasive material water jet machining used, including slewer, every single move mechanism, wherein slewer comprises rotary platform, driving motor mount pad, driving motor, every single move mechanism include bearing platform and every single move actuating mechanism, the driving motor mount pad install in bearing platform bottom, driving motor fixes on the driving motor mount pad, rotary platform installs on the bearing platform, driving motor drive rotary platform rotate around the Z axle, every single move actuating mechanism drive bearing platform carry out every single move.
As a further technical scheme, the pitching driving mechanism comprises a base, at least two driving components connected in parallel are arranged on the base along the circumferential direction of the base, and each driving component comprises a pushing rod support, a pushing rod, a rear connecting rod and a rear connecting rod support; the rear connecting rod support and the rear connecting rod form a revolute pair through a bolt, the push rod and the rear connecting rod form a moving pair, and the push rod is connected with the push rod support arranged below the bearing platform through a bolt.
Furthermore, the rear connecting rod support is provided with a rotation limiting block to prevent the driving motor from colliding with the base due to the fact that the rotation amplitude is too large.
As a further technical scheme, the rotary table further comprises a rotary table protective shell, and the rotary table protective shell is fixed between the bearing table and the rotary platform.
As a further technical scheme, the turntable protective shell comprises porous ceramics, and the porous ceramics are arranged in an annular space defined by the turntable protective shell.
As a further technical scheme, the turntable protective shell further comprises a drain hole, and the drain hole is formed in the side face of the turntable protective shell.
In a second aspect, the utility model also provides a blisk abrasive water jet machining system, include blisk abrasive water jet machining usefulness the platform.
As a further technical scheme, the abrasive water jet nozzle cutting head is further included, and can perform reciprocating linear motion along the X direction, the Y direction and the Z direction, and perform +/-180-degree rotation motion around the Z axis and +/-45-degree swinging motion around the Y axis.
The utility model discloses the beneficial effect who gains:
the utility model provides a special abrasive material water jet machining platform of blisk can be with higher efficiency, the rough machining work of blisk is accomplished to higher quality, and processing platform has two degrees of freedom, and pitching motion is realized by the drive assembly of a plurality of parallelly connected settings, and simple structure can cooperate with five abrasive material water jet machining machine tools and accomplish the forming process of blisk blade profile, simultaneously, can also avoid the overcut, owe processing defects such as cut, improve processingquality and machining efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are included to illustrate an exemplary embodiment of the invention and not to limit the invention.
Fig. 1 is a general schematic diagram of a blisk abrasive water jet machine tool and a numerical control turntable thereof according to the present invention;
fig. 2 is an axonometric view of a blisk abrasive water jet machining turntable provided by the present invention;
fig. 3 is a front view of the blisk abrasive water jet machining turntable bearing table provided by the present invention when horizontal;
fig. 4 is a front view of the blisk abrasive water jet machining turntable at a tilt limit according to the present invention;
fig. 5 (a) and 5 (b) are schematic diagrams of pitch angle calculation;
FIG. 6 is a partial enlarged view of the rear link;
fig. 7 is a top view of the protection device.
In the figure:
1. the device comprises a cross beam, 2, a guide rail, 3, a screw rod, 4, a left support, 5, an abrasive water jet wake collecting tank, 6, a right support, 7, a numerical control rotary table, 8, an abrasive water jet nozzle, 9, a rotary head, 10, a lifting upright post, 11 and an X-direction driving part;
7-1, a rotating device, 7-1-1, a rotating platform, 7-1-2, a driving motor mounting seat, 7-1-3 and a driving motor;
7-2 parts of pitching mechanism, 7-2-1 parts of bearing table, 7-2-2 parts of pushing rod support, 7-2-3 parts of pushing rod, 7-2-4 parts of rear connecting rod, 7-2-5 parts of rear connecting rod support, 7-2-6 parts of base, 7-2-5-1 parts of rotation limiting block;
7-3 parts of a turntable protection device, 7-3-1 parts of annular porous ceramics, 7-3-2 parts of a drain hole and 7-3-3 parts of a protection shell.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as introduced in the background art, in the abrasive water jet rough machining process of the blisk, the problems of interference between an abrasive water jet nozzle and a machining workpiece, secondary damage of abrasive water jet wake to a machined surface and the like exist, and after the path of the abrasive water jet machining blisk is planned, the abrasive water jet machine tool and the three-axis numerical control turntable can enable the interference-free space of the nozzle to be relatively increased, so that machining interference and secondary damage to the machined surface are avoided.
In order to solve the above technical problems, the present embodiment provides a blisk abrasive water jet special machine tool and a platform, wherein the machine tool motion includes an abrasive water jet nozzle cutting head, in addition, the numerical control turntable can also implement a rotation motion or an indexing motion of ± 180 ° around a Z axis, and a pitching motion of ± 20 ° around X and Y axes, and the machine tool is matched to implement contour machining of a free curved surface of a blisk blade and an indexing motion when different blades are machined. The abrasive water jet machine tool realizes linear reciprocating motion of the machine tool along the X direction, the Y direction and the Z direction through the cross beam 1, the lifting upright post 10 and the X-direction driving part 11, and realizes the adjustment of different erosion angles in the machining process through the rotary motion around the Z axis and the swing around the Y axis through the rotary head 9; the numerical control rotary table realizes the whole-circle rotary motion around the Z axis through the rotating device 7-1 and realizes the pitching motion around the X axis through the parallel mechanism 7-2.
Blisk abrasive water jet machine tool includes crossbeam 1, guide rail 2, lead screw 3, left socle 4, abrasive water jet wake collecting vat 5, right branch frame 6, abrasive water jet nozzle 8, turn round 9, lift stand 10, X is to constituteing such as drive assembly 11, wherein crossbeam 1, guide rail 2, lead screw 3, left socle 4, right branch frame 6, lift stand 10, X constitutes the lathe jointly to drive assembly 11 and follows X, Y, Z axle reciprocating motion system, the turn round can drive the nozzle and realize rotary motion, constitute the rotatory swing motion system of BC axle.
The left support and the right support of the blisk abrasive water jet machine tool are mounted on the ground, mounting space of an abrasive water jet wake collecting tank 5 is reserved in the middle, guide rails 2 and lead screws 3 are mounted at the tops of the left support and the right support, a cross beam 1 is mounted on the left support and the right support, an X-direction driving part 11 is mounted on the cross beam 1, a lifting upright post 10 is mounted on the X-direction driving part 11, a rotary head is mounted at the bottom of the lifting upright post 11, an abrasive water jet nozzle 8 is mounted at a swing mechanism on the rotary head, and a numerical control rotary table mounting reserved hole is formed in the middle of the abrasive water jet wake collecting tank 5.
The platform comprises a rotary device 7-1, a pitching mechanism 7-2 and a rotary table protection device 7-3, wherein the rotary device consists of a rotary platform 7-1-1, a driving motor mounting seat 7-1-2 and a driving motor 7-1-3, the pitching mechanism 7-2 consists of a bearing table 7-2-1, a push rod support 7-2-2, a push rod 7-2-3, a rear connecting rod 7-2-4, a rear connecting rod support 7-2-5, a base 7-2-6 and a rotation limiting block 7-2-5-1, and the rotary table protection device 7-3 consists of a rotary table protective shell 7-3-3, porous ceramics 7-3-1 and a drain hole 7-3-2.
The numerical control rotary table parallel mechanism is a 3RPR parallel platform, a rear connecting rod 7-2-4 is connected to a rear connecting rod support 7-2-5 through a revolute pair, a rotary limiting block is arranged at the joint of the rear connecting rod support 7-2-5 and the rear connecting rod 7-2-4, the upper half part of a push rod 7-2-3 is connected to the push rod support 7-2-2 through the revolute pair, and the push rod 7-2-3 can axially extend and retract relative to the rear connecting rod 7-2-4.
The numerical control rotary table rotating device is positioned above the bearing table 7-2-1, a hole for extending a drive motor transmission shaft is formed in the middle of the bearing table 7-2-1, the rotating platform and the drive motor are connected through a coupler, and the drive motor is arranged below the bearing table through a bolt. The rotating device has a clamping function, axial fixation of the disc type blank can be achieved through matching with a clamping bolt, circumferential fixation of the disc type blank can be achieved through matching with a pin, and therefore the workpiece is completely clamped. Similarly, the supporting platform of the rotating device is also of a grid structure, so that the weight is reduced, and the reflection of jet beams in the machining process can be avoided.
The rotary table protecting device is arranged between a rotary platform 7-1-1 and a bearing table 7-2-1 of the rotary device and fixed on the bearing table 7-2-1 through bolts, and a plurality of layers of annular porous ceramics 7-3-1 are arranged on the bottom layer of the rotary table protecting device, so that ejected jet beams are buffered and abrasive materials and water in the jet beams are filtered and separated, the erosion capacity of abrasive material water jet penetrating through a blisk blank can be effectively reduced, parts below the numerical control rotary table are protected from being damaged, meanwhile, drain holes 7-3-2 are formed in the periphery of the numerical control rotary table, when waste water is gathered to a certain degree, the waste water can be discharged through the drain holes, and the load of the numerical control rotary table during working is reduced.
During installation, the left support 4 and the right support 6 are fixed on the ground, an installation space of a waste abrasive water jet wake collecting tank 5 is reserved between the left support 4 and the right support 6, the guide rail 2 and the lead screw 3 are arranged above the left support 4 and the right support 6, the cross beam 1 is installed on the cross beam, the X-direction driving component 11 is installed on the cross beam 1, the lifting upright post 10 is installed on the X-direction driving component, the installation realizes linear reciprocating motion of the abrasive water jet nozzle along XYZ, the rotary head 9 is installed at the bottom of the lifting upright post 5, the abrasive water jet nozzle 8 is installed on the rotary head 9, the rotation of the machine tool around the Z axis and the swing of the machine tool around the Y axis are jointly realized, and the five-axis linkage machine tool is formed. A preformed hole is formed in the middle of the abrasive water jet wake collecting groove 5, and the numerical control rotary table 7 is installed in the center of the preformed hole of the abrasive water jet wake collecting groove 5 of the machine tool.
The rotary table consists of a rotary device 7-1, a pitching mechanism 7-2 and a rotary table protecting device 7-3, as shown in figure 2, the rotary device 7-1 and the rotary table protecting device 7-3 are arranged above the pitching mechanism 7-2, a driving motor 7-1-3 is fixed below the center of a bearing table 7-2-1 through a driving motor mounting seat 7-1-2 and a bolt, the bearing table 7-2-1 is provided with a central hole, and a motor driving shaft drives the rotary platform 7-1-1 to perform whole-circle rotary motion through a coupling; when the turntable protection device 7-3 is installed, a plurality of layers of annular porous ceramic plates 7-3-1 are arranged after the turntable protection device 7-3 is fixed on the bearing platform 7-2-1 in advance of the rotary platform 7-1-1; three rear connecting rod supports 7-2-5 are arranged on a base 7-2-6 of the pitching mechanism 7-2, a rotating pair is formed by the rear connecting rod 7-2-4 and a bolt, a moving pair is formed by the push rod 7-2-3 and the rear connecting rod 7-2-4, and the push rod 7-2-3 is connected with the push rod support 7-2-2 arranged below the bearing table 7-2-1 through the bolt. The deflection motion around the X axis required in the processing is completed by the reciprocating motion of the hydraulically driven pushing rod 7-2-3. As shown in figure 6, the rear connecting rod support is provided with a rotation limiting block 7-2-5-1 to prevent the driving motor 7-1-3 from colliding with the base 7-2-6 due to overlarge rotation amplitude.
When the rotary platform is installed, the central axis of the base 7-2-6 where any one of the three rear connecting rod supports 7-2-5 is located needs to be parallel to the X direction of a machine tool, and when the rotary platform works, any two push rods can be used as driving rods and do linear motion in the opposite direction to the rest one push rod, so that the pitching of the rotary platform is realized. Calculation of pitch angle as shown in fig. 5 (a) and 5 (b), three vertices of an equilateral triangle respectively represent three rear link supports 7-2-6, and assuming that the center distance between any two supports is 2L, L' =2L cos 30 °, so that the tangent value of the tilt angle α is tan α = (H) 1 -H 2 ) L', where H 1 To extend the height of the push rod, H 2 To shorten the height of the push rod, the front formula is negated to obtain the value of the inclination angle α. Alpha is not less than the self inclination angle of the blade of the blisk, so that the abrasive water jet nozzle can be perpendicular to the surface to be processed through angle adjustment during processing.
Finally, it should be further noted that relational terms such as first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a platform that blisk abrasive water jet machining used, its characterized in that includes slewer, every single move mechanism, wherein slewer comprises rotary platform, driving motor mount pad, driving motor, every single move mechanism include bearing platform and every single move actuating mechanism, the driving motor mount pad install in bearing platform bottom, driving motor fixes on the driving motor mount pad, rotary platform installs on the bearing platform, driving motor drive rotary platform rotate around the Z axle, every single move actuating mechanism drive bearing platform carry out every single move.
2. The platform for abrasive water jet machining of blisks according to claim 1, wherein said pitch drive mechanism includes a base, at least two drive assemblies connected in parallel on said base, said drive assemblies including a pusher shoe, a pusher bar, a rear link support; the rear connecting rod support and the rear connecting rod form a revolute pair, the push rod and the rear connecting rod form a moving pair, and the push rod is connected with the push rod support arranged below the bearing table.
3. The platform for abrasive water jet machining of blisks according to claim 2, wherein a rotation stop is provided on said rear link support.
4. The platform for abrasive water jet machining of blisk of claim 2, wherein the at least two parallel drive assemblies are evenly arranged along a circumference of the base.
5. The platform for abrasive water jet machining of blisks according to claim 2, wherein the push rod is inserted in the rear link and is driven by hydraulic pressure to move linearly up and down.
6. The platform for abrasive water jet machining of blisks according to claim 1, further comprising a protective turret housing secured between the load bearing table and the rotating platform.
7. The platform for abrasive water jet machining of blisk of claim 6, further comprising a porous ceramic mounted within an annular space defined by the protective turret shell.
8. The platform for abrasive water jet machining of blisks according to claim 7, further comprising drain holes disposed in a side of the protective housing of the turntable.
9. A blisk abrasive water jet machining system comprising a platform for blisk abrasive water jet machining as claimed in any one of claims 1-8.
10. The blisk abrasive waterjet machining system of claim 9, further comprising an abrasive waterjet nozzle cutting head capable of reciprocating linear motion in three directions X, Y, and Z, ± 180 ° of rotational motion about the Z axis, and ± 45 ° of oscillatory motion about the Y axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861945.9U CN217648206U (en) | 2022-07-19 | 2022-07-19 | Platform and system of processing of blisk abrasive water jet processing usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861945.9U CN217648206U (en) | 2022-07-19 | 2022-07-19 | Platform and system of processing of blisk abrasive water jet processing usefulness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217648206U true CN217648206U (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221861945.9U Active CN217648206U (en) | 2022-07-19 | 2022-07-19 | Platform and system of processing of blisk abrasive water jet processing usefulness |
Country Status (1)
| Country | Link |
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| CN (1) | CN217648206U (en) |
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- 2022-07-19 CN CN202221861945.9U patent/CN217648206U/en active Active
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