CN113843689A - High-speed blade tip grinding equipment - Google Patents
High-speed blade tip grinding equipment Download PDFInfo
- Publication number
- CN113843689A CN113843689A CN202111125416.2A CN202111125416A CN113843689A CN 113843689 A CN113843689 A CN 113843689A CN 202111125416 A CN202111125416 A CN 202111125416A CN 113843689 A CN113843689 A CN 113843689A
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- China
- Prior art keywords
- guide rail
- assembly
- workpiece spindle
- table assembly
- workpiece
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Classifications
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/28—Equipment for preventing backlash
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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
- B24B49/02—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 according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
- B24B49/04—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 according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent involving measurement of the workpiece at the place of grinding during grinding operation
- B24B49/045—Specially adapted gauging instruments
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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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention provides a high-speed blade tip grinding device, comprising: the lathe bed component comprises a guide rail groove and a lathe bed, and a first guide rail surface of the lathe bed is slidably arranged on the guide rail groove; the upright post assembly comprises an upright post and a cross beam, the upright post is arranged on the top surface of the guide rail groove, the cross beam is bridged on the upright post, and the cross beam comprises a second guide rail surface arranged in the horizontal direction; the cross sliding table assembly is arranged on the second guide rail surface and moves along the second guide rail surface; the grinding wheel main shaft is arranged at the bottom end of the cross sliding table assembly and moves up and down along the cross sliding table assembly; the workbench assembly comprises a rack arranged on the lathe bed and a plurality of groups of guide rails; the workpiece spindle comprises a power end workpiece spindle and a tailstock end workpiece spindle which are arranged at two ends of the workbench assembly, the power end workpiece spindle is fixedly connected with the workbench assembly, the tailstock end workpiece spindle is provided with a rotating handle and a gear meshed with the rack, and the rotating handle controls the gear to transmit along the rack; and the laser measuring system is used for measuring the rotor radius of the workpiece.
Description
Technical Field
The invention relates to the technical field of machining equipment of aero-engines and gas turbines, in particular to high-speed blade tip grinding equipment.
Background
At present, the equipment department of an aeroengine main engine factory adopts a common lathe to reform and use a lathe body, a main shaft and a tail seat of the common lathe, and a grinding head is reformed and added on a tool rest slide carriage of the common lathe to realize the purpose of grinding the blade tips of a rotor. The process has the defects that a lathe spindle can only rotate at a low speed when the blade tips of the blades are ground, the blade tips are ground in a non-working state, rows of blades are bundled by adopting a rubber belt in order to deal with the grinding force during the grinding of the blade tips, the final result is poor consistency of the grinding size of the blade tips of the rotor, the control difficulty of the gap between the blade tips and a casing is high, and the working efficiency and reliability of an engine are seriously influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the technical problem, the invention provides high-speed blade tip grinding equipment which is suitable for blade tip grinding of aeroengines and gas turbine rotors.
(II) technical scheme
The invention provides a high-speed blade tip grinding device, comprising: the lathe bed component 1 comprises a guide rail groove 13 and a lathe bed 12, and a first guide rail surface of the lathe bed 12 is slidably arranged on the guide rail groove 13; the upright post assembly 2 comprises an upright post 21 and a cross beam 22, the upright post 21 is arranged on the top surface of the guide rail groove 13, the cross beam 22 is bridged on the upright post 21, and the cross beam 22 comprises a second guide rail surface 23 arranged in the horizontal direction; the cross sliding table assembly 4 is arranged on the second guide rail surface 23 and moves along the second guide rail surface 23; the grinding wheel spindle 8 is arranged at the bottom end of the cross sliding table assembly 4 and moves up and down along the cross sliding table assembly 4; the workbench assembly 3 comprises a rack arranged on the lathe bed 12 and a plurality of groups of guide rails 31; the workpiece spindle 5 comprises a power end workpiece spindle 53 and a tailstock end workpiece spindle 52 which are arranged at two ends of the workbench component 3, the power end workpiece spindle 53 is fixedly connected with the workbench component 3, the tailstock end workpiece spindle 52 is provided with a rotating handle and a gear meshed with a rack, and the rotating handle controls the gear to transmit along the rack; the laser measuring system 6 is used for measuring the radius of the rotor of the workpiece and comprises a slide rail 63 capable of linearly reciprocating, and the slide rail 63 is used for adjusting the position of the laser measuring system 6; a mobile support assembly 7 comprising a bottom support slidably mounted to table assembly 3 and a top support 71, top support 71 for supporting a workpiece; and the hydraulic clamp 10 is coaxial with the workpiece spindle 5 and is used for clamping a workpiece.
Further, the bed assembly 1, the column assembly 2, the table assembly 3 and the cross slide assembly 4 are made of high-quality cast iron materials, and the contact part of the top support 71 and the workpiece is made of nylon materials.
Further, the upright post 21 is fixedly connected with the top surface of the guide rail groove 13, and the guide rail groove 13 is supported on the ground foundation through a multi-point foundation bolt.
Further, criss-cross reinforcing ribs are arranged inside the lathe bed 12, the upright column 21, the workbench assembly 3 and the cross sliding table assembly 4.
Further, the top support 71 is provided with a plurality of bolt holes having different heights, and the workpiece is secured to be coaxial with the workpiece spindle 5 by the connection of the screws 72 to the plurality of bolt holes.
Further, the bottom of the workbench component 3 is connected with the bed 12 by adopting a plurality of sliding blocks.
Further, the cross sliding table assembly 4 adopts a movement mode of a hard rail, and two ends of the cross sliding table assembly are provided with counterweight oil cylinders.
Further, the power end workpiece spindle 53 is driven by a torque motor.
Further, the high-speed blade tip grinding equipment also comprises a grinding wheel dresser 9 which is used for dressing a grinding wheel so as to realize the processing of blade tip shapes of blades with different specifications.
Further, the high-speed tip grinding equipment further comprises a multi-station grinding wheel bank 11, and the multi-station grinding wheel bank is used for replacing the grinding wheel set.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
(1) the equipment adopts a structural form that the gantry frame and the workpiece move, and the grinding wheel spindle is driven by the cross sliding table assembly to feed along the vertical direction, so that a reverse gap can be effectively eliminated;
(2) one end of the double-workpiece main shaft has power to drive the rotor assembly to rotate at a high speed, the rotor is clamped by the hydraulic clamp, and the grinding wheel is dressed by the grinding wheel dresser, so that the processing of blade tip shapes of blades of different specifications can be realized;
(3) and a laser measurement system is adopted to track, monitor and measure the outer diameter value of the grinding blade on line in real time, so that the on-line high-precision measurement is realized.
Drawings
FIG. 1 schematically illustrates an overall installation of a high speed tip grinding apparatus according to an embodiment of the present invention.
Fig. 2 schematically shows a structure view of the bed assembly of the embodiment of the present invention.
FIG. 3 schematically illustrates a block diagram of a mast assembly according to an embodiment of the invention.
FIG. 4 schematically illustrates a block diagram of a table assembly of an embodiment of the present invention.
Fig. 5 schematically shows a structural diagram of a laser measuring system of an embodiment of the present invention.
FIG. 6 schematically illustrates a block diagram of a mobile bearing assembly according to an embodiment of the present invention.
Description of reference numerals:
1-a bed assembly; 2-a column assembly; 21-upright column; 22-a cross beam; 23-a second guide surface; 3-a table assembly; 31-multiple sets of guide rails; 4-a cross slide assembly; 5-a workpiece spindle; 52-tailstock end workpiece spindle; 53-power end workpiece spindle; 6-laser measuring system; 61-a transmitting end; 62-a receiving end; 63-a slide rail; 7-moving the support assembly; 71-a top support; 72-a screw; 8-grinding wheel spindle; 9-grinding wheel dresser; 10-a hydraulic clamp; 11-a multi-station grinding wheel warehouse; 12-a lathe bed; 13-guide rail groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The terms "comprises," "comprising," and the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components.
FIG. 1 schematically illustrates an overall installation of a high speed tip grinding apparatus according to an embodiment of the present invention.
As shown in fig. 1, in an embodiment of the present invention, a high-speed tip grinding apparatus includes:
the lathe bed component 1 comprises a guide rail groove 13 and a lathe bed 12, and a first guide rail surface of the lathe bed 12 is slidably arranged on the guide rail groove 13;
the upright post assembly 2 comprises an upright post 21 and a cross beam 22, the upright post 21 is arranged on the top surface of the guide rail groove 13, the cross beam 22 is bridged on the upright post 21, and the cross beam 22 comprises a second guide rail surface 23 arranged in the horizontal direction;
the cross sliding table assembly 4 is arranged on the second guide rail surface 23 and moves along the second guide rail surface 23;
the grinding wheel spindle 8 is arranged at the bottom end of the cross sliding table assembly 4 and moves up and down along the cross sliding table assembly 4;
the workbench assembly 3 comprises a rack arranged on the lathe bed 12 and a plurality of groups of guide rails 31;
the workpiece spindle 5 comprises a power end workpiece spindle 53 and a tailstock end workpiece spindle 52 which are arranged at two ends of the workbench component 3, the power end workpiece spindle 53 is fixedly connected with the workbench component 3, the tailstock end workpiece spindle 52 is provided with a rotating handle and a gear meshed with a rack, and the rotating handle controls the gear to transmit along the rack;
the laser measuring system 6 is used for measuring the radius of the rotor of the workpiece and comprises a slide rail 63 capable of linearly reciprocating, and the slide rail 63 is used for adjusting the position of the laser measuring system 6;
a mobile support assembly 7 comprising a bottom support slidably mounted to table assembly 3 and a top support 71, top support 71 for supporting a workpiece;
and the hydraulic clamp 10 is coaxial with the workpiece spindle 5 and is used for clamping a workpiece.
Wherein, lathe bed subassembly 1, stand subassembly 2, workstation subassembly 3 and cross slip table subassembly 4 all adopt high quality cast iron material to provide the shock attenuation performance, all casts all carry out thermal treatment, and stress relieving guarantees to reach the high accuracy after the assembly.
The inside of lathe bed 12, stand 21, workstation subassembly 3 and cross slip table subassembly 4 all is equipped with vertically and horizontally staggered's strengthening rib to alleviate the inside weight of structure and improve the rigidity.
It should be noted that the first guide surface, the second guide surface 23, and the guide rail mounting surfaces of the plurality of sets of guide rails 31 all need to be processed with high precision to ensure the straightness and parallelism of the guide rails after mounting, thereby ensuring the running stability thereof.
Fig. 2 schematically shows a structure view of the bed assembly of the embodiment of the present invention.
As shown in fig. 2, the bed assembly 1 includes a guide rail groove 13 and a bed 12, wherein the guide rail groove 13 is supported on the ground base by a multi-point anchor bolt to ensure the rigidity and stability of the whole bed assembly 1. The mounting surface of the bed 12 and the guide rail groove 13 is a first guide rail surface, and the first guide rail surface of the bed 12 is slidably mounted on the guide rail groove 13, so that the bed 12 can slide in the guide rail groove 13.
High-precision machining is required to ensure the straightness and parallelism of the installed lathe bed 12, thereby ensuring the running stability of the lathe bed.
FIG. 3 schematically illustrates a block diagram of a mast assembly according to an embodiment of the invention.
As shown in fig. 3, in the embodiment of the present invention, the column assembly 2 includes a column 21 and a beam 22, wherein the column 21 is in the form of a fixed column and is fixedly connected to the top surface of the rail groove 13. The cross beam 22 is spanned on the upright 21, and a second guide surface 23 of the cross beam 22 is in a horizontal direction and is used for installing the cross slipway assembly 4.
The column assembly is of a unitary design, i.e. the cross beam 22 and the column 21 are of a unitary construction, making the overall structure more rigid and stable.
FIG. 4 schematically illustrates a block diagram of a table assembly of an embodiment of the present invention.
As shown in fig. 4, in the embodiment of the present invention, the table assembly 3 is mounted on the bed 12, and is provided with a rack and a plurality of sets of guide rails 31, wherein the rack is used for connecting with the workpiece spindle 5.
In some embodiments, the bottom of the table assembly 3 is connected to the bed 12 by a plurality of sliders.
In addition, the mounting surface of the rack needs to be processed with high precision so as to ensure the straightness of the rack after mounting, thereby ensuring the running stability of the rack.
The workpiece spindle 5 adopts a double-workpiece spindle structure and comprises a power end workpiece spindle 53 and a tailstock end workpiece spindle 52 which are arranged at two ends of the workbench component 3, wherein the power end workpiece spindle 53 is fixedly connected to the workbench component 3, and the power end workpiece spindle 53 is driven by a torque motor and serves as a fixed power end, so that high torque, high precision, high rotating speed and high stability are realized.
The tailstock-end workpiece spindle 52 is provided as a moving end with a rotary handle for controlling the gear to be driven along the rack and a gear engaged with the rack, so that the tailstock-end workpiece spindle 52 is reciprocated on the table assembly 3, thereby performing clamping and grinding of workpieces of different lengths.
The cross slide assembly 4 is mounted on a second guide surface 23 in the column assembly 2 such that the cross slide assembly 4 moves horizontally along the second guide surface 23.
In addition, the cross sliding table assembly 4 adopts a movement mode of a hard rail, so that the rigidity and the precision stability are better. And counterweight oil cylinders are arranged at two ends of the cross sliding table assembly 4 so as to effectively support the weight of a vertical shaft of the cross sliding table assembly 4 and enable the cross sliding table assembly to move more stably.
The grinding wheel spindle 8 is mounted at the bottom end of the cross sliding table assembly 4 and moves up and down along the cross sliding table assembly 4.
Fig. 5 schematically shows a structural diagram of a laser measuring system of an embodiment of the present invention.
As shown in fig. 5, the laser measurement system 6 is used for measuring the radius of the rotor of a workpiece, and is divided into a transmitting end 61 and a receiving end 62 by using a reniko high-precision laser probe, and the laser measurement system 6 further includes a slide rail 63 capable of linearly reciprocating, so that the transmitting end 61 and the receiving end 62 extend or retract through the slide rail 63 to measure the radius of the rotor at different blade tip positions.
When the workpiece rotates at a high speed according to the designated rotating speed, the laser measuring system 6 realizes the measurement of the radius of the rotor through the contact and the shielding of the laser beam and the blade tip.
In addition, in order to improve the measurement accuracy, the laser measurement system 6 adopts full closed loop high-accuracy control, the measured data is compensated by the system, compensation grinding is carried out again, and finally the qualified grinding of the blade tip position is ensured after multiple times of measurement and compensation grinding.
FIG. 6 schematically illustrates a block diagram of a mobile bearing assembly according to an embodiment of the present invention.
As shown in fig. 6, the mobile support assembly 7 comprises a bottom support slidably mounted on the table assembly 3 and a top support 71 for supporting the workpiece.
In some embodiments, with reference to fig. 1 and 6, one or more moving support assemblies 7 are provided, wherein two sets of bottom supports are provided, which slidably span the two ends of the table assembly 3, respectively, such that the moving support assemblies 7 can slide relative to the table assembly 3.
To preserve the surface quality of the workpiece, the portion of the top support 71 that contacts the workpiece is made of nylon material.
To facilitate the installation of workpieces of different heights, the top support 71 is provided with a plurality of bolt holes of different heights, which are connected by screws 72 to ensure that the workpieces are coaxial with the workpiece spindle 5.
The hydraulic clamp 10 is coaxial with the workpiece spindle 5 and is used for clamping a workpiece.
It will be appreciated that after the workpiece is coaxial with the workpiece spindle 5, the workpiece is held by the hydraulic clamp 10 and after the hydraulic clamp 10 is locked, the top support 71 can be removed.
In some embodiments, the high speed tip grinding apparatus of the present invention further comprises a wheel dresser 9 for dressing the wheel to achieve machining of different blade tip shapes.
In some embodiments, the high speed tip grinding apparatus of the present invention further includes a multi-station wheel magazine 11 for effecting wheel set replacement.
In conclusion, the invention provides high-speed blade tip grinding equipment, which adopts a structural form that a gantry frame and a workpiece move, adopts a double-workpiece main shaft, has power at one end and drives a rotor assembly to rotate at a high speed, adopts a hydraulic clamp to clamp a rotor, and adopts a laser measurement system to track, monitor and measure the outer diameter value of a grinding blade in real time on line, so that the high-speed blade tip grinding equipment is suitable for blade tip grinding for aeroengines and gas turbine rotors.
It should be noted that in the drawings or description, the same drawing reference numerals are used for similar or identical parts. Implementations not depicted or described in the drawings are of a form known to those of ordinary skill in the art. Directional phrases used in the embodiments, such as "upper", "lower", "left", "right", "intermediate", and the like, refer only to the orientation of the drawings. Accordingly, the directional terminology used is intended to be in the nature of words of description rather than of limitation.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A high speed tip grinding apparatus comprising:
the lathe bed component (1) comprises a guide rail groove (13) and a lathe bed (12), wherein a first guide rail surface of the lathe bed (12) is installed on the guide rail groove (13) in a sliding mode;
the upright post assembly (2) comprises upright posts (21) and cross beams (22), the upright posts (21) are mounted on the top surfaces of the guide rail grooves (13), the cross beams (22) are bridged on the upright posts (21), and the cross beams (22) comprise second guide rail surfaces (23) arranged in the horizontal direction;
the cross sliding table assembly (4) is mounted on the second guide rail surface (23) and moves along the second guide rail surface (23);
the grinding wheel spindle (8) is mounted at the bottom end of the cross sliding table assembly (4) and moves up and down along the cross sliding table assembly (4);
the workbench component (3) comprises a rack arranged on the lathe bed (12) and a plurality of groups of guide rails (31);
the workpiece spindle (5) comprises a power end workpiece spindle (53) and a tailstock end workpiece spindle (52) which are arranged at two ends of the workbench component (3), the power end workpiece spindle (53) is fixedly connected with the workbench component (3), the tailstock end workpiece spindle (52) is provided with a rotating handle and a gear meshed with the rack, and the rotating handle controls the gear to transmit along the rack;
the laser measuring system (6) is used for measuring the rotor radius of a workpiece and comprises a slide rail (63) capable of linearly reciprocating, and the slide rail (63) is used for adjusting the position of the laser measuring system (6);
a mobile support assembly (7) comprising a bottom support slidably mounted to said table assembly (3) and a top support (71), said top support (71) being for supporting said workpiece;
and the hydraulic clamp (10) is coaxial with the workpiece spindle (5) and is used for clamping the workpiece.
2. The high-speed tip grinding apparatus according to claim 1, wherein the bed assembly (1), the column assembly (2), the table assembly (3) and the cross slide assembly (4) are made of high-quality cast iron material, and the contact portion of the top support (71) with the workpiece is made of nylon material.
3. The high-speed tip grinding apparatus according to claim 1, wherein the upright (21) is fixedly connected to the top surface of the guide rail groove (13), and the guide rail groove (13) is supported on a ground foundation by means of a multi-point anchor bolt.
4. The high-speed blade tip grinding equipment according to claim 1, wherein criss-cross reinforcing ribs are arranged inside the lathe bed (12), the upright column (21), the workbench assembly (3) and the cross sliding table assembly (4).
5. The high-speed tip grinding apparatus according to claim 1, characterized in that the top support (71) is provided with a plurality of bolt holes having different heights, and the workpiece is secured coaxially with the workpiece spindle (5) by the connection of screws (72) to the plurality of bolt holes.
6. The high-speed tip grinding apparatus according to claim 1, wherein the bottom of the table assembly (3) is connected to the bed (12) using a plurality of slides.
7. The high-speed blade tip grinding device according to claim 1, wherein the cross slide table assembly (4) adopts a hard rail movement mode, and two ends of the cross slide table assembly are provided with counterweight cylinders.
8. The high-speed tip grinding apparatus according to claim 1 wherein the power end workpiece spindle (53) is driven by a torque motor.
9. The high-speed tip grinding apparatus according to claim 1 further comprising a wheel dresser (9) for dressing a wheel to effect machining of different blade tip shapes.
10. The high-speed tip grinding apparatus according to claim 1 or 9, further comprising a multi-station wheel magazine (11) for effecting wheel set changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111125416.2A CN113843689A (en) | 2021-09-24 | 2021-09-24 | High-speed blade tip grinding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111125416.2A CN113843689A (en) | 2021-09-24 | 2021-09-24 | High-speed blade tip grinding equipment |
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| CN113843689A true CN113843689A (en) | 2021-12-28 |
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| CN202111125416.2A Pending CN113843689A (en) | 2021-09-24 | 2021-09-24 | High-speed blade tip grinding equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106892A (en) * | 2022-07-25 | 2022-09-27 | 北京博鲁斯潘精密机床有限公司 | High-speed grinding system for blade tips of rotor blades of aero-engine |
| CN115383625A (en) * | 2022-08-18 | 2022-11-25 | 北京博鲁斯潘精密机床有限公司 | Aeroengine rotor blade tip grinding, clamping and fixing device |
| CN117984188A (en) * | 2024-03-22 | 2024-05-07 | 芜湖洪金机床有限公司 | Numerical control side milling vertical compound grinding machine |
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2021
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| JPH0441141A (en) * | 1989-12-28 | 1992-02-12 | Tadashi Ota | Machine for plane grinding process and cylindrical grinding process by means of longitudinal and lateral milling process boring process and attachment |
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| CN109366324A (en) * | 2018-11-28 | 2019-02-22 | 吴磊 | A kind of conveying equipment of the high rigidity mold hard rail machine with guide structure |
| CN210818922U (en) * | 2019-10-30 | 2020-06-23 | 河南科技大学 | Horizontal double-spindle bearing ring grinding machine |
| CN113245971A (en) * | 2021-05-31 | 2021-08-13 | 台州中驰智谷科技有限公司 | High-speed aviation rotor blade tip grinding machine |
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| CN115106892A (en) * | 2022-07-25 | 2022-09-27 | 北京博鲁斯潘精密机床有限公司 | High-speed grinding system for blade tips of rotor blades of aero-engine |
| CN115383625A (en) * | 2022-08-18 | 2022-11-25 | 北京博鲁斯潘精密机床有限公司 | Aeroengine rotor blade tip grinding, clamping and fixing device |
| CN117984188A (en) * | 2024-03-22 | 2024-05-07 | 芜湖洪金机床有限公司 | Numerical control side milling vertical compound grinding machine |
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Application publication date: 20211228 |