CN104669091B - Six-axis linkage numerical control abrasive belt grinding machine - Google Patents
Six-axis linkage numerical control abrasive belt grinding machine Download PDFInfo
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- CN104669091B CN104669091B CN201510081014.5A CN201510081014A CN104669091B CN 104669091 B CN104669091 B CN 104669091B CN 201510081014 A CN201510081014 A CN 201510081014A CN 104669091 B CN104669091 B CN 104669091B
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- guide rail
- transmission system
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
- B24B21/165—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape for vanes or blades of turbines, propellers, impellers, compressors and 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
- 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
- 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
- B24B55/08—Dust extraction equipment on grinding or polishing machines specially designed for belt grinding machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a six-axis linkage numerical control abrasive belt grinding machine which comprises a machine body, an X-axis transmission system, a Y-axis transmission system, a Z-axis transmission system, an A-axis transmission system, a B-axis transmission system, a C-axis transmission system, an abrasive belt grinding system, a U-axis transmission system and a chip discharge system. The B-axis transmission system is used for driving the abrasive belt grinding system to rotate around a Y axis and the C-axis transmission system is used for driving the abrasive belt grinding system to rotate around a Z axis so as to implement two-degrees-of-freedom rotational motion of the abrasive belt grinding system; the abrasive belt grinding system is positioned above the chip discharge system so as to enable metal abrasive dust to fall into the chip discharge system; the A-axis transmission system is arranged at one side of the machine body and is used for clamping a blade-type workpiece and driving the workpiece to rotate around an X axis. The six-axis linkage numerical control abrasive belt grinding machine can be well applied to grinding and polishing processing of blade parts with complex profiles, such as a turbine blade and an aero-engine; grinding and polishing efficiency of the complex blade-type part is greatly improved, and product quality is improved.
Description
Technical field
The invention belongs to digit ctrol machine tool field, more particularly, to numerical control abrasive belt grinding machine with six-axis linkage.
Background technology
Blade is sent out gas turbine, aviation as the core component of the power source device such as gas turbine, aero-engine
The service behaviour of motivation has important function, and the accuracy of manufacture and surface roughness of blade profile is to whole energy conversion apparatus
Performance and efficiency have vital impact.To improve the energy conversion efficiency of modern gas turbine, aero-engine, reduce
Energy consumption, with less volume bigger power output is obtained, and the design of blade profile develops into cambered surface and then again to torsion by facing directly
Bent cambered surface, type surface curve becomes increasingly complex, and the processing technology of blade becomes increasingly complex, the requirement to blade processing Digit Control Machine Tool
Also more and more higher.
Abrasive band grinding and polishing be blade profile processing and manufacturing it is a kind of efficiently, the extremely wide grinding and polishing process of economy, purposes, be blade type
The important procedure of face processing and manufacturing.At present domestic existing some numerically control grinders have also done some to blade profile abrasive band polishing processing
Attempt, it is possible to achieve the grinding of the complex profile of blade, but because its structure arrangement is unreasonable, cause the grinding and polishing metal fillings cannot
Effectively discharge, cause whole work top to be flooded with metal fillings everywhere, blade polishing processing region seems extremely dirty and messy, in mill
Bed needs to shut down long time to clear up metal filings after continuous work a period of time, thus significantly reduces numerical control
The operating efficiency of abrasive belt grinding machine.
In addition, the servo turning platform on current multi-axis numerical control abrasive belt grinding machine adopts gear drive drive system, panoramic table
When rotating, drive axis and the centre of gyration of its servomotor and reductor are typically collinearly arranged, can thus be increased and be watched
The burden of motor and reductor is taken, needs the output torque of servomotor and reductor also bigger, the dynamic of servo turning platform
Can be poor；If the arm of force is very big, it is necessary to which very big output torque, the requirement to servo-drive system can be very high, causes totality
Cost is substantially increased；In addition, servo turning platform is supported only with a drive shaft, the axial runout ratio of panoramic table can be caused
Larger, the operation of servo turning platform is not steady enough, is so obviously unfavorable for the accurate polishing processing of complicated blade parts.
Additionally, driving the transmission mechanism that servo turning platform is rotated typically to adopt gear drive, gear on Digit Control Machine Tool
Backlash is larger during transmission, increased the difficulty of control system, is unfavorable for the high speed of servo turning platform, high-accuracy motion control
System.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides numerical control abrasive belt grinding machine with six-axis linkage, sand
Reasonable structural arrangement with grinding machine, running part and processing part are provided separately the metal fillings that polishing processing is produced directly
Chip removal system is fallen into, solves the problems, such as that metal filings are full of in grinding machine running part.Meanwhile, using roller arc rack mechanism
Moving without back clearance, high speed, high-precision rotary for abrasive belt grinding machine servo turning platform is realized, the transmission accuracy of servo turning platform is improved
And transmission stiffness.
For achieving the above object, according to one aspect of the present invention, there is provided numerical control abrasive belt grinding machine with six-axis linkage, including bed
Body, X-shaft transmission system, Y-axis transmission system, Z-axis transmission system, A shaft transmission systems, B axle transmission system, C shaft transmission systems, sand
Band grinding system and chip removal system, the chip removal system is arranged side by side with lathe bed, and the X-shaft transmission system is arranged on lathe bed,
The Y-axis transmission system is arranged on X-shaft transmission system, and the Z-axis transmission system is arranged in Y-axis transmission system.
The Z-axis transmission system includes Z axis pedestal and Z axis guide rail, and the Z axis pedestal is arranged in Y-axis transmission system, institute
State Z axis guide rail to be arranged on Z axis pedestal；
The B axle transmission system is arranged in Z axis guide rail, and the C shaft transmission systems are arranged in B axle transmission system, institute
Abrasive belt grinding system is stated on C shaft transmission systems, the B axle transmission system is used to drive abrasive belt grinding system to turn around Y-axis
Dynamic, the C shaft transmission systems are used to drive abrasive belt grinding system to turn about the Z axis, and the abrasive belt grinding system is located at chip removal system
Top so that metal filings fall into chip removal system；
The A shaft transmission systems are arranged on lathe bed near the side of chip removal system, and the output shaft end of A shaft transmission systems is arranged
Blade fixture, for clamping grinding and polishing workpiece and driving workpiece to turn about the X axis.
Preferably, also including U shaft transmission systems, U shaft transmission systems be arranged on lathe bed and with A shaft transmission system homonymies,
The U shaft transmission systems include U axis rails, U shaft stools and hand feeding mechanism, and the U axis rails are arranged on lathe bed near row
The side of bits system, the U shaft stools are arranged on U axis rails, and hand feeding mechanism, the hand are arranged on the U shaft stools
Dynamic feed mechanism is used to drive U shaft stools to move along U axis rails, and the U shaft stools are used to coordinate clamping mill with A shaft transmission systems
Throw the blade of processing.
Preferably, the X-shaft transmission system includes X-axis transmission component and X-axis guide rail, and the X-axis transmission component and X-axis are led
Rail is installed in lathe bed, and the X-axis transmission component is used to drive Y-axis transmission system to move along X-axis guide rail；The Y-axis power train
System includes Y-axis pedestal, Y-axis transmission component and Y-axis guide rail, and the Y-axis transmission component and Y-axis guide rail are arranged on Y-axis pedestal, institute
Y-axis transmission component is stated for driving Z-axis transmission system to move along Y-axis guide rail；Y-axis pedestal is arranged in X-axis guide rail；The Z axis
Transmission system includes Z axis pedestal, Z-axis transmission component and Z axis guide rail, and the Z axis pedestal is arranged in Y-axis guide rail, and the Z axis are passed
Dynamic component and Z axis guide rail are arranged on Z axis pedestal, and the Z-axis transmission component is used to drive B axle transmission system to move along Z axis guide rail
It is dynamic.
Preferably, the B axle transmission system includes B axle fixed supporting seat and B axle rotary system, B axle fixed supporting seat peace
It is mounted in Z axis guide rail, the B axle rotary system includes rotary shaft B, B axle rotating basis and B axle reducing motor, rotary shaft B
May be rotatably mounted on B axle fixed supporting seat and its diameter parallel is in Y-axis, the B axle rotating basis is fixedly mounted on described
In rotary shaft B, the B axle reducing motor is fixedly mounted on B axle rotating basis and it passes through the drive of B axle roller arc rack mechanism
The axis that described B axle rotating basis is moved around rotary shaft B rotates, to realize being driven without back clearance for B axle transmission system.
Preferably, the B axle roller arc rack mechanism includes B axle roller and the B axle arc rack for cooperating, described
B axle roller is arranged on the output shaft of B axle reducing motor, and the output shaft of the B axle reducing motor is horizontally disposed with, the B axle circle
Arc rack is arranged on B axle fixed supporting seat, and the center line of the B axle arc rack is collinear so that B axle with the axis of rotary shaft B
Roller drives B axle rotating basis to rotate around the axis of rotary shaft B.
Preferably, the B axle fixed supporting seat is provided with B axle arc-shaped guide rail, institute in the position corresponding to B axle arc rack
The center line for stating B axle arc-shaped guide rail is collinear with the axis of rotary shaft B, and B axle arc-shaped guide rail cunning is provided with the B axle arc-shaped guide rail
Block, the B axle arc-shaped guide rail slide block is fixedly connected on B axle rotating basis.
Preferably, the C shaft transmission systems include rotary shaft C, C axle rotating basis and C axle reducing motors, the rotary shaft
C may be rotatably mounted on B axle rotating basis and axis its parallel to Z axis, the C axles rotating basis is fixedly mounted on described rotation
In rotating shaft C, the C axles reducing motor is fixedly mounted on B axle rotating basis and it passes through the driving of C shaft roller arc racks mechanism
C axles rotating basis rotates around the axis of rotary shaft C, realizes being driven without back clearance for C shaft transmission systems.
Preferably, the C shaft rollers arc rack mechanism includes C shaft rollers and the C axle arc racks for cooperating, described
C axles arc rack is arranged on C axle rotating basis, and C shaft rollers are arranged on the output shaft of C axle reducing motors, the C axles circular arc
The center line of tooth bar is collinear with the axis of rotary shaft C so that C shaft rollers drive C axles rotating basis to rotate around the axis of rotary shaft C.
Preferably, C axle arc-shaped guide rails, center line and the rotation of the C axles arc-shaped guide rail are installed on the C axles rotating basis
The axis of rotating shaft C is collinear, and C axle arc-shaped guide rail slide blocks, the C axles arc-shaped guide rail slide block and B are provided with the C axles arc-shaped guide rail
Axle rotating basis is fixedly connected.
Preferably, the quantity of the Z axis guide rail is two, and the abrasive belt grinding system is rotated by rotary shaft C, rotation
Axle C is arranged symmetrically in isosceles triangle with two Z axis guide rails and the distance of rotary shaft C to every Z axis guide rail is equal.
In general, by the contemplated above technical scheme of the present invention compared with prior art, can obtain down and show
Beneficial effect：
1) the drive system structure connection and reasonable arrangement of numerical control abrasive belt grinding machine with six-axis linkage, running part and processing part separately set
Put the abrasive dust for enabling to process generation directly to fall in chip removal system, realize milling and casting machine tool drive area and work with blade grinding and polishing
The separation in region, eliminates impact of the metal filings to grinding machine transmission system, solves metal filings and is full of in grinding machine driving section
The problem divided.
2) the B axle transmission system of numerical control abrasive belt grinding machine with six-axis linkage, C shaft transmission systems are symmetrically arranged in Z-axis transmission system
Z axis pedestal, improve the transmission accuracy and integral rigidity of machine tool transmission system.
3) the B axle transmission system of numerical control abrasive belt grinding machine with six-axis linkage, C shaft transmission systems are driven using roller arc rack
Mechanism, realizes B axle transmission system with C shaft transmission systems without back clearance transmission, improves the kinematic accuracy of end grinding system.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the top view of the present invention；
Fig. 4 is that C shaft transmission systems are arranged on the structural representation in B axle transmission system in the present invention；
Fig. 5 is the structural representation that C shaft transmission systems are arranged under another visual angle in B axle transmission system in the present invention；
Fig. 6 is the structural representation of B axle fixed supporting seat in the present invention；
Fig. 7 is B axle rotating basis structural representation in the present invention；
Fig. 8 is that C shaft transmission systems are arranged on the partial sectional view in B axle transmission system in the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, technical characteristic involved in invention described below each embodiment
Not constituting conflict each other just can be mutually combined.
As shown in Fig. 1～Fig. 8, numerical control abrasive belt grinding machine with six-axis linkage, including lathe bed 470, X-shaft transmission system 500, Y-axis biography
Dynamic system 600, Z-axis transmission system 120, A shaft transmission systems 150, B axle transmission system 140, C shaft transmission systems 3, sbrasive belt grinding
System 80 and chip removal system 800, the chip removal system 800 is arranged side by side with lathe bed 470, and the X-shaft transmission system 500 is arranged on
On lathe bed 470, the Y-axis transmission system 600 is arranged on X-shaft transmission system 500, and the Z-axis transmission system 120 is arranged on Y
On shaft transmission system 600；
The Z-axis transmission system 120 includes Z axis pedestal 360 and Z axis guide rail 350, and the Z axis pedestal 360 is arranged on Y-axis
In transmission system 600, the Z axis guide rail 350 is arranged on Z axis pedestal 360, and it is preferably mounted at Z axis pedestal 360 near chip removal
The side of system 800；
The B axle transmission system 140 is arranged in Z axis guide rail 350, and the C shaft transmission systems 3 are arranged on B axle power train
On system 140, the abrasive belt grinding system 80 is arranged on C shaft transmission systems 3, and the B axle transmission system 140 is used to drive abrasive band
Grinding system 80 is rotated around Y-axis, and the C shaft transmission systems 3 are used to drive abrasive belt grinding system 80 to turn about the Z axis, the abrasive band
Grinding system 80 is located at the top of chip removal system 800 so that metal filings fall into chip removal system 800；
The A shaft transmission systems 150 are arranged on lathe bed 470 near the side of chip removal system 800, and A shaft transmission systems 150 are used
A shaft transmission systems 150 and U shaft transmission systems are located in clamping workpiece and driving workpiece to turn about the X axis described chip removal system 800
700 lower section, the metal fillings of workpiece is directly collected and filtration treatment by chip removal system 800.Described A shaft transmission systems 150 are wrapped
Include A axles pedestal 290, work piece holder 300, without back clearance gear-box 310 and A axles servomotor 320.The upper surface of A axles pedestal 290 is arranged
Without back clearance gear-box 310, driven by A axles servomotor 320, work piece holder 300, work are installed without the output end of back clearance gear-box 310
Part fixture 300 is used to fix to clamp workpiece 280.A axles servomotor 320 can drive workpiece 280 to rotate.
Using the machine tool transmission system layout of the above, machine tool transmission system compact conformation, it is possible to achieve six Shaft and NC Machining Test blades
Grinding machine drive area is separated with blade grinding and polishing working region so that the abrasive dust that processing is produced can be directly fallen in chip removal system,
Impact of the metal filings to grinding machine transmission system is eliminated, solves the problems, such as that metal filings are full of in grinding machine running part.
Further, numerical control abrasive belt grinding machine with six-axis linkage also includes U shaft transmission systems 700, on lathe bed 470 and and A
The homonymy of shaft transmission system 150, the U shaft transmission systems 700 include U axis rails 230, U shaft stools and hand feeding mechanism 260, U
Shaft stool includes U axles pedestal 250 and U axles tailstock 270, and the U axis rails 230 are arranged on lathe bed 470 near chip removal system 800
Side, the U shaft stools are arranged on U axis rails 230, and hand feeding mechanism 260 is arranged on the U shaft stools, described manual
Feed mechanism 260 is used to drive U shaft stools to move along U axis rails 230, and the U shaft stools are used to match somebody with somebody with A shaft transmission systems 150
Co-clip lives workpiece.The quantity of U axis rails 230 is two, and the direction parallel to U axis rails between U axis rails 230 is arranged installs
One spur rack 240, hand feeding mechanism 260 includes rocking bar and gear, shakes with hands rocking bar, then drive pinion rotation, gear with
Spur rack 240 is engaged, then U shaft stools can be driven to move, and the thimble on U shaft stools can withstand workpiece, therefore, by arranging
U shaft stools, are adapted to the workpiece of different length；Meanwhile, U axles limit assembly 220 is set near the two ends of U axis rails 230, prevent
Only U shaft transmission systems 700 are moved to outside grinding machine design runlength.
Further, the quantity of the Z axis guide rail 350 is two, and the abrasive belt grinding system 80 is driven by rotary shaft C12 and revolved
Turn, rotary shaft C12 and two Z axis guide rails 350 are arranged symmetrically in isosceles triangle and rotary shaft C12 is to every Z axis guide rail 350
Apart from equal.Abrasive belt grinding system 80 is arranged between two Z axis guide rails 350, i.e., two Z axis guide rails 350 are arranged symmetrically in sand
Both sides with grinding system 80, such design causes drive system structure compact；Meanwhile, can also realize B axle transmission system 140
It is driven without back clearance with C shaft transmission systems 3, improves the kinematic accuracy of numerical control abrasive belt grinding machine with six-axis linkage abrasive belt grinding system 80
With lathe integral rigidity.
Further, the X-shaft transmission system 500 includes that X-axis ball-screw-transmission component 190, X-axis guide rail 460 and X-axis are watched
Motor 200 is taken, the X-axis ball-screw-transmission component 190 and X-axis guide rail 460 are installed in lathe bed 470, the X-axis ball wire
Thick stick transmission component 190 is used to drive Y-axis transmission system 600 to move along X-axis guide rail 460；The Y-axis transmission system 600 includes Y-axis
Pedestal 450, Y-axis ball-screw-transmission component 170, Y-axis guide rail 430 and Y-axis servomotor 180, the Y-axis ball-screw-transmission
Component 170 and Y-axis guide rail 430 are arranged on Y-axis pedestal 450, and the Y-axis ball-screw-transmission component 170 is used to drive Z axis to pass
Dynamic system 120 is moved along Y-axis guide rail 430；Y-axis pedestal 450 is arranged in X-axis guide rail 460.
The Z-axis transmission system 120 includes Z axis pedestal 360, Z axis ball-screw-transmission component 380, Z axis guide rail 350, Z
Axle servomotor 390 and Z axis ball-screw component 370, the Z axis pedestal 360 is arranged in Y-axis guide rail 430, the Z axis rolling
Ballscrew transmission component 380 and Z axis guide rail 350 are arranged on Z axis pedestal 360, and the Z axis ball-screw-transmission component 380 is used
Move along Z axis guide rail 350 in B axle transmission system 140 is driven.Z axis pedestal 360 is arranged in Y-axis guide rail 430, Z axis pedestal 360
It is arranged in parallel two Z axis guide rails 350 along Z-direction near the side of chip removal system 800；Arrange between two Z axis guide rails 350
Z axis ball-screw component 370, Z axis servomotor 390 drives Z axis ball-screw component 370 by Z-axis transmission component 380, enters
And drive B axle transmission system 140 and C shaft transmission systems 3 to move along Z-direction.The lower surface both sides of Z axis pedestal 360 are along Y direction
Be arranged in parallel two guide rail slide block steps 420.Slide block step 420 is used for the installation of Z axis guide rail 350, is easy to the machine of Z axis pedestal 360
Tool is installed and Precision adjustment.The shaft end of the Z axis ball-screw-transmission component 380 arranges brake 381, realizes Z axis ball wire
The power-off band-type brake of thick stick transmission system, improves the security of Z-axis transmission system.
The upper surface of the lathe bed 470 be arranged in parallel two X-axis guide rails 460 along X-direction；Arrange between X-axis guide rail 470
X-axis ball-screw component 210, X-axis servomotor 200 drives Y-axis transmission system 600 by driving X-axis ball-screw component 210
Motion in the X-axis direction.
The Y-axis transmission system 600 includes Y-axis pedestal 450, Y-axis ball-screw component 160, Y-axis servomotor 180 and Y
Axle servomotor 180.Wherein, Y-axis pedestal 450 is arranged on X-axis guide rail 460, the both sides of Y-axis pedestal 450, along Y direction
Two parallel trapezoid boss 440 are set, and the front end of trapezoid boss 440 is extended to outside Y-axis pedestal 450；Trapezoid boss
Two Y-axis guide rails 430 are set on 440；Y-axis ball-screw component 170, Y-axis servo electricity are arranged between two trapezoid boss 440
Machine 180 drives Y-axis ball-screw-transmission component 170, and then drives Z-axis transmission system 120 moving in Y direction.In Y-axis
Arrange two parallel trapezoid boss 440 to be conducive to improving the rigidity of structure of Y-axis, be easy to the machinery of Y-axis ball-screw component 170
Install and Precision adjustment.
Further, the B axle transmission system 140 includes B axle fixed supporting seat 1, B axle rotary system 2, wherein B axle revolution
System 2 includes rotary shaft B4, B axle rotating basis 14 and B axle reducing motor 39, and B axle fixed supporting seat 1 is arranged on Z axis guide rail 350
On, rotary shaft B4 may be rotatably mounted on B axle fixed supporting seat 1 and its diameter parallel is in Y-axis, and rotary shaft B4 is consolidated with B axle
Determine to be provided with B axle bearing 5 between support base 1, the B axle rotating basis 14 is fixedly mounted in described rotary shaft B4, the B
Axle reducing motor 39 is fixedly mounted on B axle rotating basis 14 and it passes through B axle roller arc rack mechanism 37 and drives described B
Axle rotating basis 14 rotates around the axis of rotary shaft B4, and the B axle reducing motor 39 includes B axle servomotor 8 and B axle reductor
21, B axle reductor 21 is arranged on B axle rotating basis 14 by B axle motor mount 22.B axle servomotor 8 drives B axle to subtract
Fast machine 21, and then drive B axle roller arc rack mechanism 37 to move, so as to realize axle of the B axle rotating basis 14 around rotary shaft B4
Line does gyration.
The C shaft transmission systems 3 include rotary shaft C12, C axle rotating basis 16 and C axles reducing motor 40, the rotary shaft
C12 may be rotatably mounted on B axle rotating basis 14 and axis its parallel to Z axis, between rotary shaft C12 and B axle rotating basis 14
C axle bearings 13 are provided with, the C axles rotating basis 16 is fixedly mounted in described rotary shaft C12, the C axles reducing motor
40 be fixedly mounted on B axle rotating basis 14 and its pass through C shaft roller arc racks mechanism 38 drive C axles rotating basis 16 around rotation
The axis rotation of rotating shaft C 12, the C axles reducing motor 40 includes C axles servomotor 9 and C axles reductor 19.C axles servomotor 9
C axles reductor 19 is driven, and then drives C shaft roller arc racks mechanism 38 to realize axle of the C axles rotating basis 16 around rotary shaft C12
Line does gyration.
Further, the B axle roller arc rack mechanism 37 includes B axle roller 23 and the B axle arc rack for cooperating
24, the B axle roller 23 is arranged on the output shaft of B axle reducing motor 39, and the output shaft level of the B axle reducing motor 39 sets
Put, the B axle arc rack 24 is arranged on B axle fixed supporting seat 1, the center line and rotary shaft of the B axle arc rack 24
The axis of B4 is collinear so that B axle roller 23 drives B axle rotating basis 14 to rotate around the axis of rotary shaft B4.B axle servomotor 8 drives
Dynamic B axle reductor 21, and then drive B axle roller arc rack mechanism 37 to move, so as to realize B axle rotating basis 14 around rotary shaft
The axis of B4 does gyration.
Further, the B axle fixed supporting seat 1 is provided with B axle arc-shaped guide rail in the position corresponding to B axle arc rack 24
7, the center line of the B axle arc-shaped guide rail 7 is collinear with the axis of rotary shaft B4, and on the B axle arc-shaped guide rail 7 B axle arc is provided with
Shape guide rail slide block 25, the B axle arc-shaped guide rail slide block 25 is fixedly connected on B axle rotating basis 14.Due to B axle arc-shaped guide rail 7
Guiding and supporting role with B axle arc-shaped guide rail slide block 25 so that the motion of B axle rotating basis 14 is more steady and firm.
B axle supports pedestal 36 and B axle supports axle bed 29, B axle to support pedestal 36 near the side one of B axle rotating basis 14
Form arc positioning boss 26 and installation base 27 and its side for deviating from B axle rotating basis 14 is integrally formed described B axle
Axle bed 29, B axle is supported to support axle bed 29 to be used for supporting rotating shaft B4, B axle supports the surrounding of axle bed 29 arrangement reinforcement 28, the B
Axle arc-shaped guide rail 7 and B axle arc rack 24 are installed on arc positioning boss 26.B axle supports the top of pedestal 36 to also set up
There are C axle reductors installation pedestal 31 and B axle reductor installation pedestal 32, slow down in order to be respectively mounted C axles reductor 19 and B axle
Machine 21.B axle fixed supporting seat 1 is carry in weight of panoramic table itself and the weight and the course of work of all accessory structure parts
Additional external force, integral frame structure makes B axle fixed supporting seat 1 firmly and reliable.
Further, the C shaft rollers arc rack mechanism 38 includes C shaft rollers 20 and the C axle arc racks for cooperating
17, the C axles arc rack 17 is arranged on C axles rotating basis 16, and C shaft rollers 20 are arranged on the output of C axles reducing motor 40
On axle, the center line of the C axles arc rack 17 is collinear with the axis of rotary shaft C12 so that C shaft rollers 20 drive C axles rotation base
Seat 16 rotates around the axis of rotary shaft C12.C axles servomotor 9 drives C axles reductor 19, and then drives C shaft roller arc racks
Mechanism 38 realizes that C axles rotating basis 16 does gyration around the axis of rotary shaft C12.
Further, C axles arc-shaped guide rail 15, the center of the C axles arc-shaped guide rail 15 are installed on the C axles rotating basis 16
Line is collinear with the axis of rotary shaft C12, and C axle arc-shaped guide rails slide block 18, the C axles arc are provided with the C axles arc-shaped guide rail 15
Shape guide rail slide block 18 is fixedly connected with B axle rotating basis 14.Due to leading for C axles arc-shaped guide rail 15 and C axle arc-shaped guide rails slide block 18
To and supporting role so that the rotary motion of C axles is more steady and firmly.
Further, the axis of rotary shaft B4 intersects with the axis of rotary shaft C12, in order to the SERVO CONTROL of lathe.
Further, the B axle fixed supporting seat 1 is rotatably set with revolving support near the side of B axle rotating basis 14
Circle 6, between revolving support circle 6 and B axle fixed supporting seat 1 spring bearing is provided with；The revolving support circle 6 rotates base with B axle
Seat 14 is fixedly connected, and rotary shaft B4 is fixedly connected through after revolving support circle 6 with described B axle rotating basis 14, makes rotation
Revolution firm and reliable connection at rotating shaft B4.
Further, the B axle rotating basis 14 adopts shell structure, is internally provided with reinforcement 28；B axle rotating basis 14
One end near B axle fixed supporting seat 1 is protruding with class rectangle structure, and it is semi-cylindrical away from one end of B axle fixed supporting seat 1
Structure；Along the direction at class rectangle structure place end to half cylindrical structure place end, the width of the B axle rotating basis 14 by
Gradually symmetrically narrow.So so that B axle rotating basis 14 mitigates the quality of structure while function and intensity requirement is met, and makes
Design is more reasonable.
Further, the B axle rotating basis 14 includes B axle base body 35 and B axle revolution axle bed 34, the B axle base body
35 are integrally formed described B axle revolution axle bed 34 near the side of rotary shaft B4, and the B axle revolution axle bed 34 is provided with inner chamber,
Rotary shaft B4 is provided with convex shoulder near one end of B axle rotating basis 14 and this end stretch into after B axle revolution axle bed 34 with B axle base
Pedestal 35 is fixedly connected, and described convex shoulder is connected to the outside that B axle turns round axle bed 34.B axle rotating basis 14 is so caused full
While sufficient function and space arrangement requirement, make design more reasonable.
In addition, the top of B axle base body 35 be additionally provided with C axles revolution axle bed 30, and B axle revolution axle bed 34 axis and
The axis of C axles revolution axle bed 30 intersects vertically, and supports the side of pedestal 36 to be provided with stair-step near B axle in B axle base body 35
33, it be arranged in parallel B axle motor mount 22 and C axle motor mounting seat 10 on the top of B axle base body 35, B axle motor mount
22 and C axle motor mounting seat 10 structure it is symmetrical with regard to the middle face of B axle base body 35.In the upper and lower of rotary shaft C12
Fixed cover is connected to C shaft flanges 11, and the effect of C shaft flanges 11 is the bearing fixed in rotary shaft C12.
The B axle transmission system 140 and C shaft transmission systems 3 of the present invention is constituted without back clearance intersecting vertical axle panoramic table, the revolution
Platform cantilevered is arranged in the Z axis guide rail 350 of Z-axis transmission system 120；Fixedly mount in rotary shaft C12 of C shaft transmission systems 3
Abrasive belt grinding system 80.B axle transmission system 140 is by B axle servomotor 8, B axle roller arc rack mechanism 37, B axle arc-shaped guide rail
7 used as Auxiliary support；C shaft transmission systems 3 are made up of C axles servomotor 9, C shaft roller arc racks mechanism 38, and C axle arcs are led
Rail 15 is used as Auxiliary support.B axle servomotor 8 drives B axle reductor 21, so as to drive B axle roller arc rack mechanism 37 real
Existing B axle rotating basis 14 does gyration around the axis of rotary shaft B4, and then drives C axles rotary system 3 to do around rotary shaft B4
The gyration of axis.C axles servomotor 9 can drive C axles reductor 19, so as to pass through C shaft roller arc racks mechanism 38
Realize that C axles rotating basis 16 does gyration around the axis of rotary shaft C12.Therefore, the present invention is by servo-control system, can be with
The coupling linkage of B, C axle is realized well.
8 Jing B axles reductor of B axle servomotor 21 drives B axle roller arc rack mechanism 37, and then drives B axle rotation base
Seat 14 is done with vertical plane in about ± 45 ° of swing around Y-axis, meanwhile, revolution Auxiliary support of the B axle arc-shaped guide rail 7 as B axle.C axles
Transmission system 13 is arranged on B axle rotating basis 14, and 6 Jing C axles reductor of C axles servomotor 19 drives C shaft roller arc racks
Mechanism 38, and then drive abrasive belt grinding system 80 around rotary shaft C12 and vertical plane in ± about 90 ° of swing, meanwhile, C axle arcs
Guide rail 15 realizes dual-gripper as the Auxiliary support of rotation to coordinate with rotary shaft C12.
In sum, the present invention can be advantageously applied to the grinding of such as workpiece of the turbine blade with complex profile
Processing, greatly improves the product quality and efficiency of processing complex large-scale component.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not to
The present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc. are limited, all should be included
Within protection scope of the present invention.
Claims (8)
1. numerical control abrasive belt grinding machine with six-axis linkage, including lathe bed (470), X-shaft transmission system (500), Y-axis transmission system (600), Z
Shaft transmission system (120), A shaft transmission systems (150), B axle transmission system (140), C shaft transmission systems (3), abrasive belt grinding system
(80) and chip removal system (800), the chip removal system (800) is arranged side by side with lathe bed (470), it is characterised in that：
On lathe bed (470), the Y-axis transmission system (600) is installed in X-axis power train for the X-shaft transmission system (500)
On system (500), the Z-axis transmission system (120) is in Y-axis transmission system (600)；
The Z-axis transmission system (120) includes Z axis pedestal (360) and Z axis guide rail (350), and the Z axis pedestal (360) is arranged on
In Y-axis transmission system (600), the Z axis guide rail (350) is on Z axis pedestal (360)；
In Z axis guide rail (350), the C shaft transmission systems (3) are driven the B axle transmission system (140) installed in B axle
In system (140), the abrasive belt grinding system (80) on C shaft transmission systems (3), use by the B axle transmission system (140)
In driving abrasive belt grinding system (80) to rotate around Y-axis, the C shaft transmission systems (3) are for driving abrasive belt grinding system (80) around Z
Axle is rotated, and the abrasive belt grinding system (80) is positioned at the top of chip removal system (800) so that metal filings fall into chip removal system
(800)；
The A shaft transmission systems (150) are installed in lathe bed (470) near the side of chip removal system (800), A shaft transmission systems
(150) for clamping workpiece and drive workpiece to turn about the X axis；
The B axle transmission system (140) includes B axle fixed supporting seat (1) and B axle rotary system (2), B axle fixed supporting seat (1)
In Z axis guide rail (350), B axle rotary system (2) slows down electric including rotary shaft B (4), B axle rotating basis (14) and B axle
Machine (39), rotary shaft B (4) is on B axle fixed supporting seat (1) and its diameter parallel is in Y-axis, and the B axle rotates base
Seat (14) is fixedly mounted in described rotary shaft B (4), and the B axle reducing motor (39) is fixedly mounted on B axle rotating basis
(14) on and it passes through B axle roller arc rack mechanism (37) and drives described B axle rotating basis (14) around rotary shaft B (4)
Axis rotates；
The B axle roller arc rack mechanism (37) includes the B axle roller (23) and B axle arc rack (24) for cooperating, institute
B axle roller (23) is stated on the output shaft of B axle reducing motor (39), the output shaft level of the B axle reducing motor (39)
Arrange, the B axle arc rack (24) on B axle fixed supporting seat (1), the center line of the B axle arc rack (24)
It is collinear with the axis of rotary shaft B (4) so that B axle roller (23) drive B axle rotating basis (14) around rotary shaft B (4) axis revolve
Turn.
2. numerical control abrasive belt grinding machine with six-axis linkage according to claim 1, it is characterised in that：Also include U shaft transmission systems
(700), its be arranged on lathe bed (470) and with A shaft transmission systems (150) homonymy, the U shaft transmission systems (700) are including U axles
Guide rail (230), U shaft stools and hand feeding mechanism (260), the U axis rails (230) are installed in lathe bed (470) near chip removal
The side of system (800), the U shaft stools are arranged on U axis rails (230), and on the U shaft stools hand feeding mechanism is arranged
(260), the hand feeding mechanism (260) for driving U shaft stools mobile along U axis rails (230), the U shaft stools are used for
Coordinate with A shaft transmission systems (150) and clamp workpiece.
3. numerical control abrasive belt grinding machine with six-axis linkage according to claim 1, it is characterised in that：The X-shaft transmission system (500)
Including X-axis transmission component (190) and X-axis guide rail (460), the X-axis transmission component (190) and X-axis guide rail (460) are installed in
Lathe bed (470), the X-axis transmission component (190) is moved for driving Y-axis transmission system (600) along X-axis guide rail (460)；It is described
Y-axis transmission system (600) includes Y-axis pedestal (450), Y-axis transmission component (170) and Y-axis guide rail (430), the Y-axis transmission group
On Y-axis pedestal (450), the Y-axis transmission component (170) is for driving Z-axis transmission for part (170) and Y-axis guide rail (430)
System (120) is mobile along Y-axis guide rail (430)；Y-axis pedestal (450) is in X-axis guide rail (460)；The Z-axis transmission system
(120) including Z axis pedestal (360), Z-axis transmission component (380) and Z axis guide rail (350), the Z axis pedestal (360) is installed in Y
On axis rail (430), the Z-axis transmission component (380) and Z axis guide rail (350) on Z axis pedestal (360), the Z axis
Transmission component (380) is moved for driving B axle transmission system (140) along Z axis guide rail (350).
4. numerical control abrasive belt grinding machine with six-axis linkage according to claim 1, it is characterised in that：The B axle fixed supporting seat (1)
B axle arc-shaped guide rail (7), the center line of the B axle arc-shaped guide rail (7) are installed in the position corresponding to B axle arc rack (24)
It is collinear with the axis of rotary shaft B (4), B axle arc-shaped guide rail slide block (25), the B axle are installed on the B axle arc-shaped guide rail (7)
Arc-shaped guide rail slide block (25) is fixedly connected on B axle rotating basis (14).
5. numerical control abrasive belt grinding machine with six-axis linkage according to claim 1, it is characterised in that：C shaft transmission systems (3) bag
Rotary shaft C (12), C axle rotating basis (16) and C axle reducing motors (40) are included, rotary shaft C (12) may be rotatably mounted at B axle
On rotating basis (14) and axis its parallel to Z axis, the C axles rotating basis (16) is fixedly mounted on described rotary shaft C
(12) on, the C axles reducing motor (40) is fixedly mounted on B axle rotating basis (14) and it passes through C shaft roller arc racks
Mechanism (38) drives C axle rotating basis (16) to rotate around the axis of rotary shaft C (12).
6. numerical control abrasive belt grinding machine with six-axis linkage according to claim 5, it is characterised in that：The C shaft rollers arc rack
Mechanism (38) includes the C shaft rollers (20) and C axle arc racks (17) for cooperating, and the C axles arc rack (17) is installed in C
On axle rotating basis (16), C shaft rollers (20) on the output shaft of C axle reducing motors (40), the C axles arc rack
(17) center line is collinear with the axis of rotary shaft C (12) so that C shaft rollers (20) drive C axle rotating basis (16) around rotary shaft
The axis rotation of C (12).
7. numerical control abrasive belt grinding machine with six-axis linkage according to claim 5, it is characterised in that：The C axles rotating basis (16)
On C axle arc-shaped guide rails (15) is installed, the center line of the C axles arc-shaped guide rail (15) is collinear with the axis of rotary shaft C (12), institute
State and C axles arc-shaped guide rail slide block (18) is installed on C axle arc-shaped guide rails (15), the C axles arc-shaped guide rail slide block (18) rotates with B axle
Pedestal (14) is fixedly connected.
8. numerical control abrasive belt grinding machine with six-axis linkage according to claim 5, it is characterised in that：The number of the Z axis guide rail (350)
Measure as two, the abrasive belt grinding system (80) is rotated by rotary shaft C (12), rotary shaft C (12) and two Z axis guide rails
(350) it is arranged symmetrically in isosceles triangle and the distance of rotary shaft C (12) to every Z axis guide rail (350) is equal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510081014.5A CN104669091B (en) | 2015-02-13 | 2015-02-13 | Six-axis linkage numerical control abrasive belt grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510081014.5A CN104669091B (en) | 2015-02-13 | 2015-02-13 | Six-axis linkage numerical control abrasive belt grinding machine |
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| Publication Number | Publication Date |
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| CN104669091B true CN104669091B (en) | 2017-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2825922C1 (en) * | 2021-05-14 | 2024-09-02 | Далянь Филд Мэньюфэкчуринг Ко., Лтд. | Weld grinder |
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| CN105290927B (en) * | 2015-09-18 | 2017-10-03 | 南京造币有限公司 | A kind of high accuracy circular cambered surface grinding attachment |
| CN105290807B (en) * | 2015-12-04 | 2017-06-16 | 成都普瑞斯数控机床有限公司 | The 5-axis machining center of axle system and its composition based on 5-axis machining center |
| CN106112752B (en) | 2016-06-29 | 2017-12-26 | 重庆大学 | Suitable for the sbrasive belt grinding center of blisk holotype face polishing processing |
| CN106584243B (en) * | 2016-12-30 | 2023-05-23 | 台州北平机床有限公司 | High-precision cylindrical polishing grinder |
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| CN111055135B (en) * | 2019-12-31 | 2024-10-01 | 科德数控股份有限公司 | Multi-degree-of-freedom numerical control rotary table |
| CN113084666A (en) * | 2021-05-14 | 2021-07-09 | 大连富地重工机械制造有限公司 | Welding seam grinding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2927954B2 (en) * | 1990-02-06 | 1999-07-28 | ゼネラル・エレクトリック・カンパニイ | Computer controlled grinder for making objects with complex shapes. |
| CN2803624Y (en) * | 2005-02-25 | 2006-08-09 | 哈尔滨量具刃具集团有限责任公司 | Vane polisher |
| CN2801355Y (en) * | 2005-07-13 | 2006-08-02 | 湖南中大创远数控装备有限公司 | Hexashaft penta linked screw cone gear wheel processing machine tool |
| CN100537140C (en) * | 2008-03-28 | 2009-09-09 | 重庆三磨海达磨床有限公司 | Grinding attachment suitable for freely curved face |
| CN101664897B (en) * | 2009-09-11 | 2011-06-22 | 重庆三磨海达磨床有限公司 | Coated abrasive grinder of propeller blade |
| CN102729124B (en) * | 2012-07-09 | 2014-06-18 | 重庆大学 | Abrasive belt grinding device applicable to inner and outer cambered surfaces of blades of aerospace blisk |
| CN103612185B (en) * | 2013-12-16 | 2016-08-17 | 电子科技大学 | Seven-axis linkage numerical control abrasive band milling and casting machine tool |
| CN204487320U (en) * | 2015-02-13 | 2015-07-22 | 华中科技大学 | Numerical control abrasive belt grinding machine with six-axis linkage |
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- 2015-02-13 CN CN201510081014.5A patent/CN104669091B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2825922C1 (en) * | 2021-05-14 | 2024-09-02 | Далянь Филд Мэньюфэкчуринг Ко., Лтд. | Weld grinder |
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