CN115106892A - High-speed grinding system for blade tips of rotor blades of aero-engine - Google Patents
High-speed grinding system for blade tips of rotor blades of aero-engine Download PDFInfo
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- CN115106892A CN115106892A CN202210876220.5A CN202210876220A CN115106892A CN 115106892 A CN115106892 A CN 115106892A CN 202210876220 A CN202210876220 A CN 202210876220A CN 115106892 A CN115106892 A CN 115106892A
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- 238000012546 transfer Methods 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims description 79
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 16
- 238000003754 machining Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 4
- 229910001651 emery Inorganic materials 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The application discloses a high-speed grinding system for the blade tips of rotor blades of an aero-engine, which aims to solve the problems of poor installation precision, low machining efficiency and unstable machining quality of the rotor blades of the aero-engine at present; the device comprises a master control center, a grinding device, a clamping device and a gantry bearing device; the gantry bearing device comprises a first driving assembly, a support assembly and a beam assembly movably arranged on the support assembly; the grinding device and the clamping device are both suspended on the beam assembly; a clamping table and a workbench are arranged below the gantry bearing device; the longitudinal axis of the clamping table is parallel to the longitudinal axis of the workbench; the automatic grinding machine can realize automatic transfer and grinding, has high intelligent degree, and effectively improves the working efficiency; the crossbeam subassembly sets up with the matching of workstation, clamping platform, can effectively guarantee the stability of transporting and the high accuracy of transporting the position appearance, effectively shortens the processing cycle of single rotor apex, guarantees the stability of batch processing simultaneously.
Description
Technical Field
The application relates to the technical field of grinding, in particular to a high-speed grinding system for an aero-engine rotor blade tip.
Background
The blade is a key part of the aeroengine and plays a decisive role in the working performance of the whole machine; according to the high-speed blade tip grinding process adopted at present, a rotor blade obtains a large enough centrifugal force under a high-speed condition through a high-speed workpiece rotating speed, the blade with large activity amount is ground and measured on line in a state of being attached to a drum simple mortise, and the consistency of the outer diameter size after grinding and the working state is improved.
However, the currently disclosed high-speed aviation rotor tip grinding equipment is usually formed by modifying through a common lathe, a rotor needs to be manually transferred to a workbench for fixing, then a plurality of grinding wheels with different grinding levels are manually controlled to be sequentially processed, and the high-speed aviation rotor tip grinding equipment is low in clamping precision, low in machining efficiency and unstable in machining quality; because the structure of the rotor is in a slender state, any installation error before processing can cause the rotor to shake in a high-speed rotation state, so that the measurement and grinding precision is influenced, and even the corresponding blade can be damaged.
Disclosure of Invention
In order to solve the problem that present aeroengine rotor apex machining efficiency is low and processingquality is unstable, this application provides a high-speed grinding system of aeroengine rotor blade apex.
The application provides a high-speed grinding system of aeroengine rotor blade apex adopts following technical scheme:
a high-speed grinding system for the blade tips of rotor blades of an aircraft engine comprises a master control center, a grinding device, a clamping device and a gantry bearing device, wherein the grinding device, the clamping device and the gantry bearing device are in signal connection with the master control center;
the gantry bearing device comprises a first driving assembly, a support assembly and a beam assembly movably arranged on the support assembly; the grinding device and the clamping device are both suspended on the beam assembly;
a clamping table for assembling the rotor and a workbench for grinding the tip of the rotor are arranged below the gantry bearing device; the longitudinal axis of the clamping table is parallel to the longitudinal axis of the workbench; the longitudinal axis of the cross beam assembly is perpendicular to the longitudinal axis of the workbench;
in a working state, the master control center controls the grinding device to move to a first preset position, and controls the clamping device to move to a position above the clamping table to transfer the assembled rotor to the working table; the clamping device moves to a second preset position under the control of the master control center; and the grinding device moves to the side part of the workbench under the control of the master control center so as to grind the blade tip of the installed rotor.
By adopting the technical scheme, automatic transfer and grinding are realized, the intelligent degree is high, and the working efficiency is effectively improved; the crossbeam subassembly sets up with the matching of workstation, clamping platform, no matter from the transportation of rotor, place on the workstation and the transportation after the processing, the stability of transporting and the high accuracy of transporting the position appearance can effectively be guaranteed to the homoenergetic, effectively shortens the processing cycle of single rotor apex, guarantees batch processing's stability simultaneously.
Preferably, the grinding device comprises a grinding horizontal driving component, a grinding lifting driving component and a multi-station grinding wheel component, and the multi-station grinding wheel component is arranged at the power output end of the grinding lifting driving component;
the grinding lifting driving component is arranged on the grinding horizontal driving component;
under the working state, the grinding horizontal driving assembly drives the grinding lifting driving assembly to move along the beam assembly under the control of the master control center.
By adopting the technical scheme, the automatic control of the multi-station grinding wheel assembly is realized, and the multi-grinding requirement and high-precision machining of the rotor blade tip can be met.
Preferably, the top of the beam assembly is provided with a guide groove;
the grinding horizontal driving assembly comprises a grinding connecting structure and a grinding horizontal motor, and the grinding connecting structure is provided with a sliding block matched with the guide groove;
the grinding horizontal motor is arranged on the grinding connecting structure.
Through adopting above-mentioned technical scheme, make grinding horizontal drive assembly have along the degree of freedom of crossbeam subassembly removal, can guarantee the bearing strength to grinding lift drive assembly, multistation grinding wheel assembly simultaneously.
Preferably, the grinding lifting driving assembly comprises a lifting body and a first lifting structure arranged at the bottom of the lifting body, and the lifting body is fixedly connected with the grinding connecting structure;
the lifting axis of the first lifting structure is perpendicular to the longitudinal axis of the cross beam assembly.
Through adopting above-mentioned technical scheme, make first elevation structure's direction of rise be vertical direction, and then realize eliminating current manual operation error to the high accuracy adjustment of multistation grinding wheel assembly position.
Preferably, the multi-station grinding wheel assembly comprises a first bearing body, a second bearing body, a rough grinding wheel, a first grinding wheel driving motor, a finish grinding wheel, a second grinding wheel driving motor, a polishing wheel and a polishing motor, wherein the rough grinding wheel, the finish grinding wheel and the polishing wheel are arranged without mutual interference;
the rough grinding wheel is arranged at the power output end of the first grinding wheel driving motor and is used for rough grinding the tip of the rotor;
the fine grinding wheel is arranged at the power output end of the second grinding wheel driving motor and is used for performing fine grinding on the rotor blade tip;
the grinding wheel is arranged at the power output end of the grinding motor and is used for grinding the blade tip of the rotor;
a rotary workbench is arranged between the second bearing body and the first bearing body and is in signal connection with the master control center;
under the working state, the first bearing body is driven by the grinding lifting driving assembly to adjust the height, and the rotary workbench is controlled by the master control center to drive the second bearing body to rotate so as to switch different stations.
By adopting the technical scheme, the upper space is fully utilized, the grinding wheel is convenient to replace quickly, different levels of grinding of the rotor blade tips are met, and the working efficiency is effectively improved.
Preferably, the system further comprises a distance measuring device in signal connection with the master control center, wherein the distance measuring device is used for detecting the radius of the rotor blade in real time;
the distance measuring device comprises a distance measuring horizontal driving component, a distance measuring lifting driving component and a laser distance measuring component, wherein the laser distance measuring component is arranged at the power output end of the distance measuring lifting driving component; the distance measurement lifting driving assembly is arranged on the distance measurement horizontal driving assembly;
the distance measuring horizontal driving assembly is suspended on the beam assembly and is arranged on one side of the grinding device away from the clamping device;
in a working state, the distance measuring horizontal driving assembly drives the distance measuring lifting driving assembly to move along the beam assembly under the control of the master control center; the laser ranging assembly is driven by the ranging lifting driving assembly to adjust the height.
By adopting the technical scheme, the real-time measurement in the rotor blade tip grinding process is realized, the detection precision is high, the detected data are fed back to the master control center in real time, the master control center controls the feed distance of the grinding device based on the difference value of the radius of the preset rotor blade, and the high-speed and high-quality grinding is realized.
Preferably, the distance measuring horizontal driving assembly comprises a distance measuring connecting structure and a distance measuring horizontal motor, and the distance measuring connecting structure is provided with a guide sliding block matched with the guide groove;
the distance measuring horizontal motor is arranged on the distance measuring connecting structure;
the top of the distance measuring lifting driving assembly is fixedly connected with the top of the distance measuring connecting structure, and the bottom of the distance measuring lifting driving assembly is fixedly connected with the laser distance measuring assembly;
the lifting axis of the distance measuring lifting driving assembly is perpendicular to the longitudinal axis of the beam assembly.
Through adopting above-mentioned technical scheme, make range finding lift drive assembly's direction of rise and fall be vertical direction, and then realize eliminating current manual operation error to the high accuracy adjustment of laser rangefinder subassembly position.
Preferably, the clamping device comprises a clamping horizontal driving assembly, a clamping lifting driving assembly and a rotor clamping assembly, and the rotor clamping assembly is arranged at the power output end of the clamping lifting driving assembly; the clamping lifting driving component is arranged on the clamping horizontal driving component;
the clamping horizontal driving assembly is suspended on one side, away from the distance measuring device, of the grinding device and has freedom degree of movement along the beam assembly;
in a working state, the clamping horizontal driving assembly drives the clamping lifting driving assembly to move along the beam assembly under the control of the master control center; the rotor clamping assembly is driven by the clamping lifting driving assembly to adjust the height, so that the rotor is taken and placed.
By adopting the technical scheme, the upper space is fully utilized, the grinding wheel is convenient to replace quickly, different levels of grinding of the rotor blade tips are met, and the working efficiency is effectively improved.
Preferably, the bracket assembly comprises a first side bracket and a second side bracket which are oppositely arranged;
a first accommodating cavity is formed in the inner side of the first side support, and a first rack rail is arranged in the first accommodating cavity;
a second accommodating cavity is formed in the inner side of the second side support, and a second rack rail is arranged in the second accommodating cavity;
the first driving assembly comprises a first motor and a second motor which are respectively arranged at two ends of the cross beam assembly, and the first motor and the second motor are synchronously arranged;
a power output end of the first motor is provided with a first gear matched with the first rack; and a power output end of the second motor is provided with a second gear matched with the second gear rail.
Through adopting above-mentioned technical scheme, can bear the weight of beam assembly, can realize beam assembly's nimble removal again.
Preferably, the system also comprises a dust suction device which is suspended on the beam assembly, and the dust suction device is in signal connection with the master control center;
the dust collection device comprises a dust collection horizontal driving component, a dust collection lifting driving component, a dust collection power component and a dust collection disc, wherein the dust collection power component is arranged at the power output end of the dust collection lifting driving component; the dust collection lifting driving component is arranged on the dust collection horizontal driving component;
the dust collection disc is arranged at the bottom of the dust collection power assembly, and the dust collection power assembly adsorbs dust in the rotor blade tip grinding process through the dust collection disc;
the dust collection disc is horizontally arranged, and the diameter of the dust collection disc is larger than the outer diameter of the rotor blade tip;
in a working state, the dust collection horizontal driving assembly drives the dust collection lifting driving assembly to move to the position above the workbench along the beam assembly under the control of the master control center; the dust collection power component is driven by the dust collection lifting driving component to descend to a preset area where the top of the rotor blade tip does not interfere with the rotor blade tip; the dust collection power assembly is started under the control of the master control center to collect dust through the dust collection disc.
By adopting the technical scheme, the floating amount of the space dust in the grinding process of the rotor blade tip is effectively reduced, and meanwhile, the influence of chips or dust generated by grinding on the grinding precision of the rotor blade tip can be effectively avoided so as to obtain a high-precision finished product.
In summary, the present application includes at least one of the following beneficial technical effects:
1. this application is through grinding device, clamping device, the matching setting of workstation and clamping platform position, guarantee the removal and the vertical Z direction removal at X, Y horizontal direction, carry out the regulation and control of executive component, control accuracy is high, the response is fast, and from the rotor clamping at the clamping bench, from the clamping bench to the transportation on the workstation, the clamping on the workstation is fixed, high-speed rotation, the grinding to the rotor apex, polish, the transportation of rotor is placed after the grinding, the homoenergetic realizes automatic accurate control, through the accurate control from transporting to processing, shorten the grinding cycle of single rotor apex greatly, can guarantee batch production's stability simultaneously again.
2. In this application, through the parallel arrangement of clamping platform and workstation, accomplish the preliminary clamping back to the rotor on the clamping platform, press from both sides the top that the back removed along beam assembly and can reach the workstation through clamping device clamp, then place on the workstation through lifting control, only need realize with the workstation on main shaft drive's fixed, the installation is simple, the clamping precision is high, effectively less rotor is treating the clamping error on the grinding platform, effectively guarantee the stability of the high-speed rotatory in-process of rotor, improve the grinding precision to the rotor apex.
3. This application degree of automation is high, and the integrated control that preliminary clamping, processing of realization rotor were transported, grinding, was handled and the finished product is transported is realized in the top space of make full use of workstation, and machining efficiency is high, and processingquality is stable.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present application.
Fig. 2 is a schematic structural diagram of a second embodiment of the present application.
Description of reference numerals: 100. a grinding device; 110. grinding the horizontal driving assembly; 120. grinding the lifting driving assembly; 121. a lifting body; 122. a first lifting structure; 130. a multi-station grinding wheel assembly; 131. a first bearing body; 132. a second bearing body; 133. roughly grinding the grinding wheel; 134. fine grinding the grinding wheel; 135. grinding the wheel; 200. a clamping device; 210. clamping the horizontal driving assembly; 220. a clamping lifting driving component; 230. a rotor clamping assembly; 311. a first side support; 312. a second side bracket; 320. a beam assembly; 321. a guide groove; 400. a distance measuring device; 410. a range finding horizontal drive assembly; 420. a ranging lift drive assembly; 430. a laser ranging assembly; 510. a dust-collecting horizontal driving assembly; 520. a dust-collecting lifting driving assembly; 530. a dust collection power assembly; 540. a dust collection disc; 600. a clamping table; 700. a work bench.
Detailed Description
The present application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses a high-speed grinding system for the blade tips of rotor blades of an aircraft engine.
Example one
Referring to fig. 1, the general control center, the grinding device 100, the clamping device 200 and the gantry carrying device are included, the grinding device 100, the clamping device 200 and the gantry carrying device are all in signal connection with the general control center, in this embodiment, the general control center can control X, Y horizontal direction movement and vertical Z direction movement of the clamping device 200 and the grinding device 100 in real time, and the two movements are mutually cooperated and do not interfere with each other, so that the overall processing efficiency is greatly improved.
The gantry bearing device comprises a first driving assembly, a support assembly and a beam assembly 320 movably arranged on the support assembly, and a clamping table 600 for rotor assembly and a workbench for grinding the tips of the rotors are arranged below the gantry bearing device. 700 clamping table 600's longitudinal axis and the longitudinal axis parallel arrangement of workstation, and clamping table 600's longitudinal axis to the distance numerical value before the longitudinal axis of workstation in master control center in advance, guarantee that the rotor need not to carry out angle modulation after transporting, guarantee the longitudinal axis of rotor transport the workstation after with the uniformity of the longitudinal axis of workstation, effectively reduce the installation error of rotor on the workstation, guarantee the stability of rotor when being in high-speed rotation on the workstation.
The longitudinal axis of the beam assembly 320 is perpendicular to the longitudinal axis of the worktable, and the arrangement of the beam assembly 320 ensures that the clamping device 200 can flexibly move above the clamping table 600 and the worktable and also ensures that the grinding device 100 can flexibly move, and when the clamping device 200 moves above the worktable, the grinding device 100 can move to a position where the grinding device 200 does not interfere with each other.
In this application, the grinding device 100 and the clamping device 200 are suspended on the beam assembly 320, the guide groove 321 is formed in the top of the beam assembly 320, and the suspension type arrangement makes full use of the upper space to realize flexible movement of each independent device.
The grinding device 100 comprises a grinding horizontal driving assembly 110, a grinding lifting driving assembly 120 and a multi-station grinding wheel assembly 130, wherein the multi-station grinding wheel assembly 130 is installed at a power output end of the grinding lifting driving assembly 120, and in a working state, the grinding horizontal driving assembly 110 drives the grinding lifting driving assembly 120 to move along the beam assembly 320 under the control of a master control center. Wherein, grinding horizontal drive assembly 110 includes grinding connection structure and grinding horizontal motor, and grinding connection structure is provided with the slider that matches with direction recess 321, and grinding horizontal motor installs in grinding connection structure, through the matching of slider with direction recess 321, makes grinding horizontal drive assembly 110 have the degree of freedom that moves along beam assembly 320, can guarantee simultaneously to grinding lift drive assembly 120, the bearing of multistation grinding wheel subassembly 130.
The grinding elevation driving assembly 120 is installed on the grinding horizontal driving assembly 110, and specifically includes an elevation body 121 and a first elevation structure 122 installed at the bottom of the elevation body 121, wherein the elevation body 121 is fixedly connected to the bottom of the grinding connection structure. The lifting axis of the first lifting structure 122 is perpendicular to the longitudinal axis of the beam assembly 320, so that accurate lifting control over the bottom-suspended multi-station grinding wheel assembly 130 is guaranteed, and errors in pose adjustment are eliminated.
Multistation grinding wheel component 130 includes first body 131 that bears, the second bears body 132, and install in the coarse grinding of second body 132 and cut emery wheel 133, first emery wheel driving motor, the finish grinding emery wheel 134, second emery wheel driving motor, grinding wheel 135, grinding motor, the coarse grinding emery wheel 133, the finish grinding emery wheel 134 and grinding wheel 135 mutually noninterfere sets up, the coarse grinding emery wheel 133 promptly, the finish grinding emery wheel 134, grinding wheel 135 sets up respectively in the region of not using, the rotor apex not different grades can be realized to a multistation grinding wheel component 130's whole, the grinding demand of different precision, do not shut down the change and improve machining efficiency greatly. The rough grinding wheel 133 is mounted at the power output end of the first wheel drive motor and used for rough grinding the rotor blade tip; the fine grinding wheel 134 is arranged at the power output end of the second wheel driving motor and is used for performing fine grinding on the rotor blade tip; the grinding wheel 135 is installed at the power output end of the grinding motor and used for grinding the rotor blade tip.
A rotary worktable is arranged between the second bearing body 132 and the first bearing body 131, and the rotary worktable is in signal connection with the master control center; in this embodiment, the first bearing body 131 is a C-shaped bearing body, the top of the C-shaped bearing body is fixedly connected with the bottom of the first lifting structure 122, the second bearing body 132 is disposed inside the C-shaped bearing body, the top of the second bearing body 132 is rotatably disposed with the C-shaped bearing body, and the bottom is connected thereto through a rotating table, so as to ensure the in-situ rotation of the multiple working grinding wheels mounted thereon; in a working state, the first bearing body 131 is driven by the grinding lifting driving assembly 120 to perform height adjustment, and the rotary worktable drives the second bearing body 132 to rotate under the control of the master control center, so as to perform switching of different stations.
The system also comprises a distance measuring device 400 connected with the master control center signal, wherein the distance measuring device 400 is used for detecting the radius of the rotor blade in real time; the distance measuring device 400 comprises a distance measuring horizontal driving component 410, a distance measuring lifting driving component 420 and a laser distance measuring component 430, wherein the laser distance measuring component 430 is arranged at the power output end of the distance measuring lifting driving component 420; in a working state, the distance measuring horizontal driving component 410 drives the distance measuring lifting driving component 420 to move along the beam component 320 under the control of the master control center; the laser ranging assembly 430 is driven by the ranging lifting driving assembly 420 to adjust the height, so that real-time measurement in the rotor blade tip grinding process is realized, the detection precision is high, data after detection is fed back to the master control center in real time, the master control center controls the feed distance of the grinding device 100 based on the difference value of the radius of the preset rotor blade, and quick and high-quality grinding is realized.
The distance measuring horizontal driving assembly 410 is suspended on the beam assembly 320 and is disposed on a side of the grinding apparatus 100 away from the clamping apparatus 200; when the grinding device 100 carries out grinding machining on one side of the workbench, the distance measuring device 400 is located on the other side of the workbench 700 to carry out real-time distance measurement, the master control center can obtain the size change of the rotor blade in real time, and the regulation and control of the grinding device 100 are flexibly carried out based on the actual machining numerical value of the radius of the rotor blade.
The distance measuring horizontal driving assembly 410 includes a distance measuring connection structure and a distance measuring horizontal motor, and the distance measuring connection structure is provided with a guide slider matched with the guide groove 321; range finding horizontal motor installs in range finding connection structure for control holistic horizontal migration.
The distance measuring lifting driving component 420 is installed on the distance measuring horizontal driving component 410, specifically, the top of the distance measuring lifting driving component 420 is fixedly connected with the top of the distance measuring connecting structure, and the bottom of the distance measuring lifting driving component 420 is fixedly connected with the laser distance measuring component 430; the elevation axis of the ranging elevation drive assembly 420 is disposed perpendicular to the longitudinal axis of the beam assembly 320.
The clamping device 200 comprises a clamping horizontal driving component 210, a clamping lifting driving component 220 and a rotor clamping component 230, wherein the rotor clamping component 230 is arranged at the power output end of the clamping lifting driving component 220; the clamping elevation driving assembly 220 is installed on the clamping horizontal driving assembly 210; the clamping horizontal driving assembly 210 is suspended on one side of the grinding device 100 away from the distance measuring device 400 and has the freedom of moving along the beam assembly 320; in a working state, the clamping horizontal driving assembly 210 drives the clamping lifting driving assembly 220 to move along the beam assembly 320 under the control of the master control center; the rotor clamping assembly 230 is driven by the clamping lifting driving assembly 220 to adjust the height, so as to realize the taking and placing of the rotor.
The bracket assembly comprises a first side bracket 311 and a second side bracket 312 which are oppositely arranged; a first accommodating cavity is formed in the inner side of the first side bracket 311, and a first rack is arranged in the first accommodating cavity; a second accommodating cavity is formed in the inner side of the second side bracket 312, and a second rack is arranged in the second accommodating cavity; the first driving assembly comprises a first motor and a second motor which are respectively arranged at two ends of the beam assembly 320, and the first motor and the second motor are synchronously arranged. A power output end of the first motor is provided with a first gear matched with the first rack; and a power output end of the second motor is provided with a second gear matched with the second gear rail. In a working state, when any device suspended on the beam assembly 320 needs to be moved, the first motor and the second motor synchronously move under the control of the master control center to drive the beam assembly 320 to a preset position in a first direction, then the power assembly of the corresponding device controls the corresponding device to horizontally move to the upper side of a target area along a second direction perpendicular to the first direction, and finally the power assembly used for controlling lifting through the corresponding device is correspondingly adjusted to reach the preset area, so that the beam assembly 320 can be borne, and the beam assembly 320 can be flexibly moved.
In a working state, the master control center controls the grinding device 100 to move to a first preset position, and controls the clamping device 200 to move to the position above the clamping table 600 to transfer the assembled rotor to the working table; the clamping device 200 moves to a second preset position under the control of the master control center; the grinding device 100 moves to the side of the worktable under the control of the general control center to perform the tip grinding of the installed rotor. Through the scheme disclosed in the application, the processing time of the rotor blade tips is effectively saved, the blade tip size detection error is reduced, the working positioning times are reduced, the processing process is shortened, and the production efficiency and the product quality are effectively improved.
The implementation principle of the high-speed grinding system for the blade tips of the rotor blades of the aircraft engine in the embodiment of the application is as follows: the position information of the workbench 700, the position information of the clamping table 600, the position information of the bracket assembly, the height information of the beam assembly 320 and the preset radius of the rotor blade are prestored in the master control center; firstly, the master control center controls the clamping device to move right above the clamping table 600 through horizontal and lifting movement, and a clamped rotor is clamped; then controlling the clamping device to ascend, moving the clamping device to the position right above the workbench 700 along the cross beam assembly 320, and then loosening the rotor after descending a preset height so as to place the rotor on the workbench 700; the master control center controls the high-speed rotation of the rotor on the workbench 700, the grinding device 100 grinds blade tips of different levels of the rotor until a preset procedure is completed, and the master control center controls the distance measuring device 400 to measure the distance in real time; for the rotor which meets the standard after grinding, the clamping device 200 is controlled to finish the transportation of the processed rotor; the automatic transfer and grinding device has the advantages that the automatic transfer and grinding are realized, the intelligent degree is high, and the working efficiency is effectively improved; the matching arrangement of the beam assembly 320, the workbench and the clamping table 600 can effectively guarantee the stability of the transportation and the high precision of the transportation pose no matter from the transportation of the rotor, the placement on the workbench 700 and the transportation after the processing, effectively shorten the processing period of the blade tip of a single rotor, and simultaneously guarantee the stability of batch processing.
Example two
Referring to fig. 2, on the basis of the first embodiment, the system further includes a dust suction device suspended on the beam assembly 320, and the dust suction device is in signal connection with the general control center; the dust suction device comprises a dust suction horizontal driving assembly 510, a dust suction lifting driving assembly 520, a dust suction power assembly 530 and a dust suction disc 540, wherein the dust suction power assembly 530 is arranged at the power output end of the dust suction lifting driving assembly 520; the dust-suction lifting driving assembly 520 is arranged on the dust-suction horizontal driving assembly 510;
the dust collection disc 540 is arranged at the bottom of the dust collection power assembly 530, and the dust collection power assembly 530 carries out dust absorption in the rotor blade tip grinding process through the dust collection disc 540;
the level setting of dust absorption dish 540, and the diameter of dust absorption dish 540 is greater than the external diameter setting of rotor apex, guarantees to form certain region's cover to the rotor, improves the dust absorption rate of rotor grinding process, prevents in dust or piece dispersion to the environment on every side, optimizes the processing environment greatly, effectively reduces the health harm to relevant staff, reduces piling up of dust or piece at other devices simultaneously, improves the life of each device. In addition, the suspension type arrangement can effectively reduce the vibration damage to the ground in the processing process of the rotor blade tip, and the influence of the running stability of the reduced equipment.
In a working state, the dust collection horizontal driving assembly 510 drives the dust collection lifting driving assembly 520 to move to the position right above the workbench along the beam assembly 320 under the control of the master control center; the dust-absorbing power component 530 is driven by the dust-absorbing lifting driving component 520 to descend to a preset area where the top of the rotor blade tip does not interfere with the rotor blade tip; the dust collection power assembly 530 is started under the control of the master control center to collect dust through the dust collection disc 540, so that the floating amount of space dust in the grinding process of the rotor blade tip is effectively reduced, and meanwhile, the influence of chips or dust generated by grinding on the grinding precision of the rotor blade tip can be effectively avoided, and a high-precision finished product is obtained.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a high-speed grinding system of aeroengine rotor blade apex which characterized in that: the grinding device (100), the clamping device (200) and the gantry bearing device are in signal connection with the master control center;
the gantry bearing device comprises a first driving assembly, a bracket assembly and a beam assembly (320) movably arranged on the bracket assembly; the grinding device (100) and the clamping device (200) are suspended on the beam assembly (320);
a clamping table (600) for rotor assembly and a workbench for rotor tip grinding are arranged below the gantry bearing device; the longitudinal axis of the clamping table (600) is arranged in parallel with the longitudinal axis of the workbench; the longitudinal axis of the beam assembly (320) is arranged perpendicular to the longitudinal axis of the workbench;
in a working state, the master control center controls the grinding device (100) to move to a first preset position, and controls the clamping device (200) to move to a position above the clamping table (600) to transfer the assembled rotor to the working table; the clamping device (200) moves to a second preset position under the control of the master control center; and the grinding device (100) moves to the side part of the workbench under the control of the master control center so as to grind the blade tip of the installed rotor.
2. The high-speed grinding system for the blade tip of the aircraft engine rotor blade according to claim 1, wherein: the grinding device (100) comprises a grinding horizontal driving component (110), a grinding lifting driving component (120) and a multi-station grinding wheel component (130), wherein the multi-station grinding wheel component (130) is arranged at the power output end of the grinding lifting driving component (120);
the grinding lifting driving component (120) is arranged on the grinding horizontal driving component (110);
in a working state, the grinding horizontal driving assembly (110) drives the grinding lifting driving assembly (120) to move along the beam assembly (320) under the control of the master control center.
3. The high-speed grinding system for the blade tip of the aircraft engine rotor blade according to claim 2, wherein: the top of the beam assembly (320) is provided with a guide groove (321);
the grinding horizontal driving assembly (110) comprises a grinding connecting structure and a grinding horizontal motor, and the grinding connecting structure is provided with a sliding block matched with the guide groove (321);
the grinding horizontal motor is arranged on the grinding connecting structure.
4. The high-speed grinding system for the blade tip of the aircraft engine rotor blade according to claim 3, wherein: the grinding lifting driving assembly (120) comprises a lifting body (121) and a first lifting structure (122) arranged at the bottom of the lifting body (121), and the lifting body (121) is fixedly connected with the grinding connecting structure;
the lifting axis of the first lifting structure (122) is disposed perpendicular to the longitudinal axis of the beam assembly (320).
5. The high-speed grinding system for the blade tip of the aircraft engine rotor blade according to claim 2, wherein: the multi-station grinding wheel assembly (130) comprises a first bearing body (131), a second bearing body (132), and a rough grinding wheel (133), a first grinding wheel driving motor, a finish grinding wheel (134), a second grinding wheel driving motor, a grinding wheel (135) and a grinding motor which are arranged on the second bearing body (132), wherein the rough grinding wheel (133), the finish grinding wheel (134) and the grinding wheel (135) are arranged without interfering with each other;
the rough grinding wheel (133) is arranged at the power output end of the first grinding wheel driving motor and is used for rough grinding the tip of the rotor;
the fine grinding wheel (134) is arranged at the power output end of the second grinding wheel driving motor and is used for performing fine grinding on the tip of the rotor blade;
the polishing wheel (135) is arranged at the power output end of the polishing motor and is used for polishing the blade tip of the rotor;
a rotary workbench is arranged between the second bearing body (132) and the first bearing body (131), and the rotary workbench is in signal connection with the master control center;
in a working state, the first bearing body (131) is driven by the grinding lifting driving assembly (120) to adjust the height, and the rotary workbench is controlled by the master control center to drive the second bearing body (132) to rotate so as to switch different stations.
6. The high-speed grinding system for the blade tip of the aircraft engine rotor blade according to claim 3, wherein: the system further comprises a distance measuring device (400) connected with the master control center signal, wherein the distance measuring device (400) is used for detecting the radius of the rotor blade in real time;
the distance measuring device (400) comprises a distance measuring horizontal driving component (410), a distance measuring lifting driving component (420) and a laser distance measuring component (430), wherein the laser distance measuring component (430) is arranged at the power output end of the distance measuring lifting driving component (420); the distance measurement lifting driving component (420) is arranged on the distance measurement horizontal driving component (410);
the distance measuring horizontal driving assembly (410) is suspended on the beam assembly (320) and is arranged on one side of the grinding device (100) far away from the clamping device (200);
in a working state, the distance measuring horizontal driving assembly (410) drives the distance measuring lifting driving assembly (420) to move along the beam assembly (320) under the control of the master control center; the laser ranging assembly (430) is driven by the ranging lifting driving assembly (420) to adjust the height.
7. The high-speed grinding system for the blade tip of the aircraft engine rotor blade according to claim 6, characterized in that: the distance measuring horizontal driving assembly (410) comprises a distance measuring connecting structure and a distance measuring horizontal motor, and the distance measuring connecting structure is provided with a guide sliding block matched with the guide groove (321);
the distance measuring horizontal motor is arranged on the distance measuring connecting structure;
the top of the ranging lifting driving assembly (420) is fixedly connected with the top of the ranging connecting structure, and the bottom of the ranging lifting driving assembly is fixedly connected with the laser ranging assembly (430);
the lifting axis of the distance measuring lifting driving assembly (420) is perpendicular to the longitudinal axis of the beam assembly (320).
8. The high-speed grinding system for the blade tip of the aircraft engine rotor blade according to claim 6, wherein: the clamping device (200) comprises a clamping horizontal driving component (210), a clamping lifting driving component (220) and a rotor clamping component (230), and the rotor clamping component (230) is arranged at the power output end of the clamping lifting driving component (220); the clamping lifting driving component (220) is arranged on the clamping horizontal driving component (210);
the clamping horizontal driving assembly (210) is suspended on one side of the grinding device (100) far away from the distance measuring device (400) and has the freedom degree of moving along the beam assembly (320);
in a working state, the clamping horizontal driving assembly (210) drives the clamping lifting driving assembly (220) to move along the beam assembly (320) under the control of the master control center; the rotor clamping assembly (230) is driven by the clamping lifting driving assembly (220) to adjust the height, so that the rotor is taken and placed.
9. The high-speed grinding system for the blade tip of the aircraft engine rotor blade according to claim 1, wherein: the bracket assembly comprises a first side bracket (311) and a second side bracket (312) which are oppositely arranged;
a first accommodating cavity is formed in the inner side of the first side support (311), and a first rack is arranged in the first accommodating cavity;
a second accommodating cavity is formed in the inner side of the second side support (312), and a second rack is arranged in the second accommodating cavity;
the first driving assembly comprises a first motor and a second motor which are respectively arranged at two ends of the cross beam assembly (320), and the first motor and the second motor are synchronously arranged;
a power output end of the first motor is provided with a first gear matched with the first rack; and a power output end of the second motor is provided with a second gear matched with the second gear rail.
10. The high-speed grinding system for the blade tip of an aircraft engine rotor blade according to any one of claims 3 to 9, wherein: the system also comprises a dust suction device which is suspended on the beam assembly (320) and is in signal connection with the master control center;
the dust collection device comprises a dust collection horizontal driving component (510), a dust collection lifting driving component (520), a dust collection power component (530) and a dust collection disc (540), wherein the dust collection power component (530) is arranged at the power output end of the dust collection lifting driving component (520); the dust collection lifting driving component (520) is arranged on the dust collection horizontal driving component (510);
the dust collection disc (540) is arranged at the bottom of the dust collection power assembly (530), and the dust collection power assembly (530) adsorbs dust in the rotor blade tip grinding process through the dust collection disc (540);
the dust collection disc (540) is horizontally arranged, and the diameter of the dust collection disc (540) is larger than the outer diameter of the rotor blade tip;
in a working state, the dust collection horizontal driving assembly (510) drives the dust collection lifting driving assembly (520) to move to the position above the workbench along the cross beam assembly (320) under the control of the master control center; the dust collection power component (530) is driven by the dust collection lifting driving component (520) to descend to a preset area where the top of the rotor blade tip does not interfere with the rotor blade tip; the dust collection power assembly (530) is started to collect dust through the dust collection disc (540) under the control of the master control center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210876220.5A CN115106892A (en) | 2022-07-25 | 2022-07-25 | High-speed grinding system for blade tips of rotor blades of aero-engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210876220.5A CN115106892A (en) | 2022-07-25 | 2022-07-25 | High-speed grinding system for blade tips of rotor blades of aero-engine |
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| Publication Number | Publication Date |
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| CN115106892A true CN115106892A (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210876220.5A Pending CN115106892A (en) | 2022-07-25 | 2022-07-25 | High-speed grinding system for blade tips of rotor blades of aero-engine |
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| CN (1) | CN115106892A (en) |
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Application publication date: 20220927 |