CN107932268A - Special numerically controlled grinder for grinding outer raceway of outer circle and inner circle of bearing outer ring - Google Patents
Special numerically controlled grinder for grinding outer raceway of outer circle and inner circle of bearing outer ring Download PDFInfo
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- CN107932268A CN107932268A CN201711196209.XA CN201711196209A CN107932268A CN 107932268 A CN107932268 A CN 107932268A CN 201711196209 A CN201711196209 A CN 201711196209A CN 107932268 A CN107932268 A CN 107932268A
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- 229910001651 emery Inorganic materials 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 6
- 239000002828 fuel tank Substances 0.000 claims description 3
- 230000004438 eyesight Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 238000009966 trimming Methods 0.000 abstract 2
- 239000000110 cooling liquid Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
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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
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
- B24B19/06—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
-
- 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
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
-
- 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
- B24B55/04—Protective covers for the grinding wheel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a numerical control grinding machine special for grinding an outer raceway of an outer circle and an inner circle of an outer ring of a bearing, wherein a headstock seat and a grinding wheel carrier base plate device are arranged on a machine body, and an electromagnetic chuck for clamping a ferrule blank is arranged at the front end of the headstock seat; the grinding wheel frame base plate device is provided with a grinding wheel seat and two coordinate trimmers; a dynamic and static piezoelectric main shaft is arranged in the grinding wheel seat, a grinding wheel is arranged at the front end of the dynamic and static piezoelectric main shaft, and the tail end of the dynamic and static piezoelectric main shaft is connected with a dynamic and static oil tank; the grinding wheel is positioned on the side edge of the electromagnetic chuck; trimming heads for trimming grinding wheels are arranged on the two coordinate trimmers; the dressing head is provided with a rotatable diamond wheel and a dressing blade; a feeding device for automatically conveying the ferrule blank is arranged on the other side of the electromagnetic chuck on the lathe bed; a truss type mechanical arm with a vision sensor is arranged between the feeding device and the electromagnetic chuck; a cooling liquid spray pipe is arranged above the grinding wheel. The full-automatic high-precision grinding machine can realize full-automatic high-precision grinding of the outer raceway of the outer circle of the bearing outer ring and the inner circle of the outer ring, and is simple and convenient to operate and high in machining efficiency.
Description
Technical field
The invention belongs to bearing collar path plunge grinding numerical-controlled grinder special, is specially a kind of cylindrical inner ring of bearing outer ring
Outer ball race grinding processes numerical-controlled grinder special.
Background technology
In production as one of mechanical industry basic part bearing, the processing of the mill of lasso raceway be determine lasso part or even
The mill processing of the key link of whole bearing accuracy, wherein rolling surface, then be to influence bearing life and bearing vibration damping drop again
The key link made an uproar.Therefore, always mill processing is all the key technology and core technology of bearing mnanufacture technical field.Given birth in bearing
In production, the grinding amount of labour accounts for the 60% of total amount of labour, and grinding machine quantity used also accounts for 60% left side of whole Metal Cutting Machine Tools
The right side, the cost of grinding account for more than the 15% of whole bearing cost；For high-precision bearing, these ratios of grinding are more
Greatly.
The bearing outer ring that used in the past is cylindrical, the outer raceway grinding machine of inner ring there are the problem of：
It is low using intensity（Trunnion）And the static pressure that rigidity is low（Or dynamic pressure）Main shaft；
Repaired using Buddha's warrior attendant shaping roller（Or pattern finishing）Structure-type it is more, it is of high cost；
Using motor by belt transmission main shaft, the stability and precision of main shaft have impact on；
Trapezoidal screw is used using feed mechanism, feed accuracy is low；
Show as：Processing quality is not high enough and unstable, and main shaft failure is frequent, and truer is of high cost（Type is more）, from
The problems such as dynamicization degree is low.
The content of the invention
The purpose of the present invention is in view of the above problems, to provide outside a kind of cylindrical inner ring of bearing outer ring ball race grinding processing special
Numerically control grinder, it can realize the full-automatic high precision grinding of the outer raceway of the cylindrical inner ring of bearing outer ring, simple to operate, processing effect
Rate is high.
In order to achieve the above object, the technical solution adopted by the present invention is：A kind of outer ball race grinding of cylindrical inner ring of bearing outer ring
Numerical-controlled grinder special is processed, it includes lathe bed, and a stand and grinding carriage pallet device, the head stand are provided with the lathe bed
Front end is provided with the magnechuck of connection electric rotating machine；Grinding wheel stand and the finishing of two coordinates are provided with the grinding carriage pallet device
Device；Dynamic/static piezoelectric main shaft is provided with the grinding wheel stand, dynamic/static piezoelectric main shaft front end is provided with abrasive grinding wheel, tail end connection emery wheel
Motor；The abrasive grinding wheel is located at magnechuck side；It is provided with the two coordinates trimmer for repairing abrasive grinding wheel
Repair head；Rotatable diamond wheel and finishing blade are provided with the finishing head；It is another positioned at magnechuck on the lathe bed
Side is provided with the feed device of automatic transport collar blank；Band visual sensing is provided between the feed device and magnechuck
The truss-like manipulator of device；Coolant nozzle is provided with above the abrasive grinding wheel.
Further, the grinding carriage pallet device includes the backing plate base being arranged on lathe bed, passes through on backing plate base
Longitudinal backing plate leading screw connects longitudinal backing plate slide, passes through horizontal backing plate leading screw on longitudinal backing plate slide and connects horizontal backing plate slide；
The transverse direction backing plate leading screw connection adjusting handle.
Further, the two coordinates trimmer includes the first bottom plate, and the first bottom plate is connected horizontal by the first electric threaded shaft
To slide plate, cross slide connects longitudinal slide by the second electric threaded shaft；The longitudinal slide front end is provided with dresser shaft and repaiies
Whole head；The dresser shaft front end is connected through finishing head with diamond wheel；The finishing shaft tail end connects finishing electricity by belt pulley
Machine；Finishing blade is fixedly installed on the finishing head.
Further, the feed device includes the symmetrically arranged two pieces of support rails that are in the shape of the letter V；It is provided with and pushes away on the support rail
Plate；The push plate is slidably arranged on the slide bar on support trackside side；The push plate is fixed on ring chain；The endless chain
Bar is arranged on slide bar side；The ring chain is connected by sprocket wheel with feeding motor.
Further, the support rail front end is provided with adjustable end stop；The adjustable end stop lower end connects lifting cylinder；It is described
Circular arc opening is provided with adjustable end stop.
Further, the truss-like manipulator includes cross slide way frame, by connecting horizontal leading screw on cross slide way frame
The horizontal leading screw connection cross slide of motor；The cross slide is connected vertically by connecting the vertical leading screw of vertical spindle motor
Slide；Front and rear cylinder is provided with the vertical slide, the front and rear cylinder is connected to clamp the manipulator of collar blank.
Further, two rows of cross slide ways are provided with the cross slide way frame；The cross slide, which is arranged on, laterally leads
On rail.
Further, the manipulator includes the clamping fixture seat being connected with front and rear cylinder, and the clamping fixture seat upper end is provided with folder
Tight cylinder and visual sensor, lower end both sides are symmetrically hinged with V-type clamping plate, L-type clamping plate are provided among lower end；The clamping gas
Cylinder lower end connects lift head；Be provided with two back-moving springs on the lift head, the back-moving spring other end respectively with it is corresponding
V-type clamping plate connection.
Further, the grinding wheel stand termination is fixedly installed protective cover, and the abrasive grinding wheel is located in protective cover；It is described
Coolant nozzle is arranged on protective cover top end face.
Beneficial effects of the present invention：
Using high accuracy, high intensity, the dynamic/static piezoelectric main shaft system of high rigidity -- high stability can be achieved and efficiently process.
The numerical control servo and sensing control of high feed accuracy 0.001m -- high accuracy processing can be achieved.
The finishing mode of NC Interpolation -- the processing of any complex profile can be achieved, be not required to pattern（Roller）.
Continuous automatic dress feed device and special manipulator -- automation processing can be achieved.
Lathe can solve the problems, such as：On the one hand can be as the intelligent grinding machine of the cylindrical higher precision of bearing outer ring, higher efficiency
With the on the other hand intelligent grinding machine as the higher precision of ball race grinding, higher efficiency outside bearing inner race, using infeed；
One can operate 3-4 lathes, cost-effective, efficient.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the present invention.
Fig. 2 is front of the invention 3D structure diagrams.
Fig. 3 is 3D structure diagrams in the back side of the present invention.
Fig. 4 is grinding carriage pallet device structure diagram.
Fig. 5 is two coordinate trimmer structure diagrams.
Fig. 6 is feeder structure schematic diagram.
Fig. 7 is truss-like robot manipulator structure schematic diagram.
Fig. 8 is robot manipulator structure schematic diagram.
In figure：1st, lathe bed；2nd, feed device；3rd, truss-like manipulator；4th, magnechuck；5th, abrasive grinding wheel；6th, head is repaired；
7th, protective cover；8th, grinding wheel stand；9th, electric rotating machine；10th, dynamic and static pressure fuel tank；11st, head stand；12nd, dynamic/static piezoelectric main shaft；15th, two sit
Mark trimmer；17th, collar blank；18th, coolant nozzle；20th, grinding carriage pallet device；61st, diamond wheel；62nd, blade is repaired；
21st, feeding motor；22nd, ring chain；23rd, push plate；24th, rail is held in the palm；25th, adjustable end stop；26th, lifting cylinder；27th, slide bar；31st, it is horizontal
Guide rail gantry；32nd, cross slide way；33rd, horizontal leading screw motor；34th, horizontal leading screw；35th, cross slide；36th, vertical slide；37、
Vertical spindle motor；38th, vertical leading screw；39th, front and rear cylinder；40th, manipulator；151st, the first bottom plate；153rd, the first electric threaded shaft；
154th, cross slide；155th, the second bottom plate；156th, the second electric threaded shaft；157th, longitudinal slide；158th, motor is repaired；159th, repair
Axis；201st, backing plate base；202nd, longitudinal backing plate leading screw；203rd, longitudinal backing plate slide；204th, horizontal backing plate leading screw；205th, hand is adjusted
Wheel；206th, horizontal backing plate slide；401st, clamping cylinder；402nd, lift head；403rd, back-moving spring；404th, V-type clamping plate；405th, L-type
Clamping plate；406th, clamping fixture seat.
Embodiment
In order to make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings to the present invention into
Row is described in detail, and the description of this part is only exemplary and explanatory, should not there is any limitation to protection scope of the present invention
Effect.
As Figure 1-Figure 8, concrete structure of the invention is：A kind of outer ball race grinding processing of cylindrical inner ring of bearing outer ring is special
With numerically control grinder, it includes lathe bed 1, a stand 11 and grinding carriage pallet device 20, the head stand is provided with the lathe bed 1
11 front ends are provided with the magnechuck 4 of connection electric rotating machine 9；Grinding wheel stand 8 and two is provided with the grinding carriage pallet device 20
Coordinate trimmer 15；Dynamic/static piezoelectric main shaft 12 is provided with the grinding wheel stand 8,12 front end of dynamic/static piezoelectric main shaft is provided with grinding sand
Wheel 5, tail end connection grinding wheel drive mitor 10；The abrasive grinding wheel 5 is located at 4 side of magnechuck；Set on the two coordinates trimmer 15
It is equipped with the finishing first 6 for repairing abrasive grinding wheel 5；Rotatable diamond wheel 61 and finishing blade are provided with the finishing first 6
62；The feed device 2 of automatic transport collar blank 17 is provided with the lathe bed 1 positioned at 4 opposite side of magnechuck；The feeding
The truss-like manipulator 3 with visual sensor is provided between device 2 and magnechuck 4；The top of abrasive grinding wheel 5 is provided with
Coolant nozzle 18.
Preferably, the grinding carriage pallet device 20 includes the backing plate base 201 being arranged on lathe bed 1, backing plate base 201
It is upper that longitudinal backing plate slide 203 is connected by longitudinal backing plate leading screw 202, pass through horizontal backing plate leading screw 204 on longitudinal backing plate slide 203
The horizontal backing plate slide 206 of connection；The transverse direction backing plate leading screw 204 connects adjusting handle 205.
Preferably, the two coordinates trimmer 15 includes the first bottom plate 151, and the first bottom plate 151 passes through the first electric threaded shaft
153 connection cross slides 154, cross slide 154 connect longitudinal slide 157 by the second electric threaded shaft 156；The longitudinal slide
157 front ends are provided with dresser shaft 159 and finishing first 6；159 front end of dresser shaft is connected through finishing first 6 with diamond wheel 61；Institute
State 159 tail end of dresser shaft and finishing motor 158 is connected by belt pulley；Finishing blade 62 is fixedly installed in the finishing first 6.
Preferably, the feed device 2 includes the symmetrically arranged two pieces of support rails 24 that are in the shape of the letter V；Set on the support rail 24
There is push plate 23；The push plate 23 is slidably arranged on the slide bar 27 of 24 side of support rail；The push plate 23 is fixed on endless chain
On bar 22；The ring chain 22 is arranged on 27 side of slide bar；The ring chain 22 is connected by sprocket wheel with feeding motor 21.
Preferably, 24 front end of the support rail is provided with adjustable end stop 25；25 lower end of adjustable end stop connects lifting cylinder
26；Circular arc opening is provided with the adjustable end stop 25.
Preferably, the truss-like manipulator 3 includes cross slide way frame 31, by connecting transverse wire on cross slide way frame 31
The horizontal leading screw 34 of thick stick motor 33 connects cross slide 35；The cross slide 35 is by connecting the vertical of vertical spindle motor 37
Leading screw 38 connects vertical slide 36；Front and rear cylinder 39 is provided with the vertical slide 36, the front and rear cylinder 39 is connected to
Clamp the manipulator 40 of collar blank 17.
Preferably, two rows of cross slide ways 32 are provided with the cross slide way frame 31；The cross slide 35 is arranged on horizontal stroke
On direction guiding rail 32.
Preferably, the manipulator 40 includes the clamping fixture seat 406 being connected with front and rear cylinder 39,406 upper end of clamping fixture seat
Clamping cylinder 401 and visual sensor are provided with, lower end both sides are symmetrically hinged with V-type clamping plate 404, L-type is provided among lower end
Clamping plate 405；401 lower end of clamping cylinder connects lift head 402；Two back-moving springs are provided with the lift head 402
403,403 other end of back-moving spring is connected with corresponding V-type clamping plate 404 respectively.
Preferably, 8 termination of grinding wheel stand is fixedly installed protective cover 7, and the abrasive grinding wheel 5 is located in protective cover 7；Institute
State coolant nozzle 18 and be arranged on 7 top end face of protective cover.
Sequence of movement of the present invention：
Lathe Aligning control（Grinding carriage back to zero, manipulator back to zero）→ starting dynamic and static pressure fuel tank → to knife → finishing emery wheel → loading rack
Collar blank is filled, starts feeding torque motor, next → manipulator is moved to V-type frame on collar blank baffle, after sensing, lasso hair
Under base baffle, torque motor stops → and manipulator grabs collar blank into 50 mm, and 50 mm are retreated, it is moved among magnechuck,
Come at the same time on collar blank baffle, after starting torque motor → manipulator sensing, manipulator feeds into 50 mm, and magnechuck fills
Magnetic, inhales collar blank in place；Manipulator moves back 50mm, rising → grinding carriage feeding, start grinding → mill it is complete after, to electricity under manipulator
Among magnetic-disc, grabbed into 50 mm and ground finished piece(s), move back 50 mm, risen, move left to product frame → circulated with this.
Since this lathe uses cut-in type plunge grinding mode, magnechuck fixture is not in the mood for it；So it is designed to from structure：
Yi word pattern structure；
Backing plate, by servomotor+ball screw, is directly driven response soon, is divided into three layers using rectangle+V composite guideways；
Numerical control trimmer uses linear rolling track and ball screw, is divided into two layers, repairing type is accurate；
Main shaft uses built-in dynamic/static piezoelectric main shaft, the dynamic and hydrostatic bearing and automatic-balancing system of large-diameter（SBS）, bearing capacity
Height, high precision machining, bearing life length；
This lathe use Guangzhou numerical control GSK986 grinding machine dedicated control systems, feed accuracy 0.01, controllable 8 feed shafts, 2
Servo principal axis；All mechanical movements all by：Numerical control servo, sensing intelligent, directly control system.
The specifically used principle of the present invention：
One）The parameter of lathe：
The range of work：∮20—400
Grinding wheel diameter：∮700（750）×325×70（80）
Two）Lathe feature
High accuracy, efficiently, low cost, height automation
1）Dynamic and static pressure main shaft：Using the depth chamber dynamic and hydrostatic bearing axis system of the high intensity of the main shaft diameter of axle 100, high rigidity, phase
Compare hydrodynamic bearing（During starting main shaft with watt sassafras）, hydrostatic bearing（Fixed restriction device with aperture or capillary, easily fever
And blocking；）Oil film rigidity and bearing capacity higher, revolution Jing Du≤0.002 maintenance are good；Since main shaft and driving motor are straight
Connection forms dynamic/static piezoelectric main shaft structure, without friction, compared to conventional grinding machine, processing quality higher and stabilization；
2）Two-axis numerical control trimmer：Without using shaping roller（Or pattern）Emery wheel is repaiied, after two-axis numerical control trimmer, Ren Hefu
Miscellaneous type face can repair, and repairing type is accurate, the shape quality higher of processing；As long as 1 lathe replaces emery wheel, change finishing program is
Different types of bearing can be ground；Truer is not required（Emery wheel or pattern）, greatly reduce dressing tool into
This.
3）The degree of automation is high：As a result of numerical control servo, sensing intelligent control；And employ 2 axis visions machinery
Hand and special friction feeding mechanism and material-receiving device so that processing and feeding, blanking overall process are not required to the dry of people and give, grinding process
Automation, one can operate 3--4 platforms, have high cost performance.
4）Restoring on line and CD grindings：After two-axis numerical control trimmer, using gold pen or golden steel knife or end
Surface roller is repaired, and point contact finishing, Dressing Force is small, during bearing grinding：Can side edging repair emery wheel realize CD be ground, begin
The Wyatt profits and type shape, the shape and size of all workpiece for keeping emery wheel eventually are guaranteed, and quality and precision exceed conventional any machine
Bed.
5）Using CBN wheel grindings：Powerful-grinder processing can be carried out, reduces non-cutting time；Main axle unit uses AC frequency conversion
Speed governing constant linear velocity is ground and emery wheel automatic dynamic balance technology (SBS systems), extends emery wheel, finishing diamond to the utmost
And main shaft bearing life, reduce machine vibration, the long-term original precision for keeping lathe.
6）Composite：On the one hand, this lathe can grinding bearing outer ring it is cylindrical, after replacing emery wheel, and axis can be ground
Hold the outer raceway of inner ring；The input of lathe is reduced, improves the applicability of lathe, improves the flexibility of lathe.
3rd, machine tool structure
1. machine tool chief axis
This main axle unit uses：Cellular type anchor ring depth chamber dynamic and hydrostatic bearing structure
1）Bearing：4--R14 circular arcs build bearing depth chamber, the spiral of Archimedes groove structure shallow cavity of 4-R50 basic circles；4- ∮ 3 into
Oilhole, compared with three pieces, five pieces watts, dynamic and hydrostatic bearing is monolithic construction, and bearing and box body hole contact area are big, is connected for rigidity
Connect, and oil film rigidity obtains fully playing utilization.
2）Grinding wheel spindle axle journal：Using the high rigidity of φ 100mm, high intensity nitrated steel main shaft, grinding wheel spindle bearing is firm
Degree is up to 150 kilograms/micron.Main shaft running accuracy is high（Running accuracy is up to 0.001）And rigidity is good；Main shaft can configure 11KW
(1500RPM) or 15KW（3000RPM）Variable-frequency motor, energy constant linear velocity grinding, can match somebody with somebody on line auto balancing SBS devices, emery wheel
30-60m/s of linear velocity.
The revolution of main shaft is, rotor effect in alternating current direct-connected by the rotor and main shaft of frequency control motor
Backspin transfers transmission main shaft, eliminates belt transmission, and the more former off-load belt transmissioning mode of this structure, substantially reduces driving-chain,
The rotating accuracy of main shaft is improved, reduces vibration and noise, the influence for reducing unbalance dynamic.
3）Grinding wheel spindle uses liquid hydrostatic and hydrodynamic bearing, Throttling ratio β=2 of design, general warranty front and back bearings pressure
It can be worked normally in 0.8-1.2 MPa, main shaft bearing and main shaft radial clearance：0.03-0.045, axial gap：
0.055-0.06, ensure axially position axially through fore bearing end face, drive end bearing bracket, the main shaft shaft shoulder, adjusting washer.
2. trimmer
Diamant, diamond pen, end face finishing diamond wheel, shaped diamond wheel and shaping and the combination of cylindrical finishing can be used in trimmer
Diamond wheel etc..
1）Interpolation is repaired
Since trimmer has the function of two coordinate linkage of numerical control, two reference axis of trimmer are controlled by computer by programming,
Can interpolation walk out needed for profile the short part processing of type surface curve , Shrink Operational preparation and debug time.
For different product parts, as long as calling in the related data of corresponding program or the original program of modification, it is possible into
The processing of row new parts, it is rapid to go into operation, so as to greatly improve the flexibility degree that lathe adapts to different product.
1. use diamant finishing emery wheel
Using diamant finishing emery wheel relative to using for diamond pen, the accuracy of emery wheel molded line is more preferable, while diamant
Service life is also much higher than diamond pen, beneficial to high-volume automated production.
2. use end face diamond wheel finishing emery wheel
Grinding wheel cylindrical molded line is repaired using the thin slice diamond wheel of end face coating film diamond, for diamond pen is used,
Service life is longer, and repaiies that entire self-sharpening is good, and whole validity period can ensure the sharp keen of finishing point.
3. manipulator
The first kind configures：Numerical control servo manipulator
This manipulator point three kinds of 2 axis, 3 axis and 4 axis, are mainly used for numerically-controlled machine tool conduct：The auxiliary device of upper and lower workpiece, with material
Storehouse forms intelligent manufacturing cell；It can be installed on the truss in workshop, can also be installed on the upper of numerically-controlled machine tool, it can serve 1
Platform numerically-controlled machine tool or several numerically-controlled machine tools.
Key technology：
Employ servomotor driving and machine vision positioning snatch workpiece, registration, repeatable accuracy height；
Employ two layers original of skateboard and two layers of line slideway supporting structure；
Rotary motion employs direct servo-drive, and decelerator-free is simple in structure, response quickly.
Fixture operating principle：
Horizontal leading screw motor 33 drives horizontal leading screw 34 to rotate, and driving cross slide 35 slides laterally on cross slide way 32, erects
Drive vertical leading screw 38 to rotate to spindle motor 37, drive vertical slide 36 to move up and down on cross slide 35；Front and rear cylinder
39 driving manipulators 40 are elastic.
After collar blank 17 is moved to support 24 front end of rail, baffle 25, which rises, to be blocked, and then manipulator 40 is moved through coming, folder
Tight cylinder 401 is retracted, and pulls V-type clamping plate 404 inwards to press from both sides by back-moving spring 403, collar blank 17 is clamped, while L-type
405 lower face of clamping plate props up collar blank 17, and stability is clamped in raising, at the same again will not ring damage blank surface, will not
Cause collar blank to deform, and the clamping of different size collar blank can be applicable in.
After manipulator 40 clamps collar blank 17,4 position of magnechuck is moved to, magnechuck 4 holds collar blank 17,
Manipulator 40, which unclamps, to be returned.
Manipulator can also use hydraulic lever manipulator, i.e. V-type clamping plate does not use clamping cylinder to drive, but in V-type
Gear is set on the articulated shaft of clamping plate, and gear is promoted by rack to be rotated, and the swing of V-type clamping plate is realized with this, is led to hour rack
It is flexible to cross hydraulic piston cylinder driving.
Unique dress feed device
This lathe employs the continuous dress feed device of uniqueness, makes it possible that nobody is automatically brought into operation：Workpiece V-arrangement support rail is determined
Position, is driven by torque motor, and workpiece is oppressed continuously into feeding by chain and push plate.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
And other elements that are not explicitly listed are further included, or further include as this process, method, article or equipment institute inherently
Key element.
Specific case used herein is set forth the principle of the present invention and embodiment, the explanation of above example
It is only intended to help the method and its core concept for understanding the present invention.The above is only the preferred embodiment of the present invention, should
When pointing out, due to the finiteness of literal expression, and objectively there are unlimited concrete structure, for the common skill of the art
For art personnel, without departing from the principle of the present invention, some improvement, retouching or change can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined by rights；These improve retouching, change or combination, or the not improved structure by invention
Think and technical solution directly applies to other occasions, be regarded as protection scope of the present invention.
Claims (9)
1. a kind of outer ball race grinding processing numerical-controlled grinder special of cylindrical inner ring of bearing outer ring, it includes lathe bed（1）, its feature exists
In the lathe bed（1）On be provided with a stand（11）With grinding carriage pallet device（20）, the head stand（11）Front end is provided with
Connect electric rotating machine（9）Magnechuck（4）；The grinding carriage pallet device（20）On be provided with grinding wheel stand（8）With two coordinates
Trimmer（15）；The grinding wheel stand（8）Inside it is provided with dynamic/static piezoelectric main shaft（12）, dynamic/static piezoelectric main shaft（12）Front end is provided with mill
Cut emery wheel（5）, tail end connection dynamic and static pressure fuel tank（10）；The abrasive grinding wheel（5）Positioned at magnechuck（4）Side；Described two sit
Mark trimmer（15）On be provided with for repairing abrasive grinding wheel（5）Finishing head（6）；The finishing head（6）On be provided with and can revolve
The diamond wheel turned（61）With finishing blade（62）；The lathe bed（1）It is upper to be located at magnechuck（4）Opposite side is provided with automatic transport
Collar blank（17）Feed device（2）；The feed device（2）With magnechuck（4）Between be provided with band visual sensor
Truss-like manipulator（3）；The abrasive grinding wheel（5）Top is provided with coolant nozzle（18）.
2. a kind of outer ball race grinding processing numerical-controlled grinder special of the cylindrical inner ring of bearing outer ring according to claim 1, it is special
Sign is, the grinding carriage pallet device（20）Including being arranged on lathe bed（1）On backing plate base（201）, backing plate base（201）
It is upper to pass through longitudinal backing plate leading screw（202）The longitudinal backing plate slide of connection（203）, longitudinal backing plate slide（203）It is upper to pass through horizontal backing plate
Leading screw（204）The horizontal backing plate slide of connection（206）；The transverse direction backing plate leading screw（204）Connect adjusting handle（205）.
3. a kind of outer ball race grinding processing numerical-controlled grinder special of the cylindrical inner ring of bearing outer ring according to claim 1, it is special
Sign is, the two coordinates trimmer（15）Including the first bottom plate（151）, the first bottom plate（151）Pass through the first electric threaded shaft
（153）Connect cross slide（154）, cross slide（154）Pass through the second electric threaded shaft（156）Connect longitudinal slide（157）；Institute
State longitudinal slide（157）Front end is provided with dresser shaft（159）With finishing head（6）；The dresser shaft（159）Front end passes through finishing head
（6）With diamond wheel（61）Connection；The dresser shaft（159）Tail end connects finishing motor by belt pulley（158）；The finishing head
（6）On be fixedly installed finishing blade（62）.
4. a kind of outer ball race grinding processing numerical-controlled grinder special of the cylindrical inner ring of bearing outer ring according to claim 1, it is special
Sign is, the feed device（2）Including the symmetrically arranged two pieces of support rails that are in the shape of the letter V（24）；The support rail（24）On be provided with
Push plate（23）；The push plate（23）It is slidably arranged in positioned at support rail（24）The slide bar of side（27）On；The push plate（23）It is fixed
In ring chain（22）On；The ring chain（22）It is arranged on slide bar（27）Side；The ring chain（22）Pass through sprocket wheel
With feeding motor（21）Connection.
5. a kind of outer ball race grinding processing numerical-controlled grinder special of the cylindrical inner ring of bearing outer ring according to claim 4, it is special
Sign is, the support rail（24）Front end is provided with adjustable end stop（25）；The adjustable end stop（25）Lower end connects lifting cylinder
（26）；The adjustable end stop（25）On be provided with circular arc opening.
6. a kind of outer ball race grinding processing numerical-controlled grinder special of the cylindrical inner ring of bearing outer ring according to claim 1, it is special
Sign is, the truss-like manipulator（3）Including cross slide way frame（31）, cross slide way frame（31）On by connecting horizontal leading screw
Motor（33）Horizontal leading screw（34）Connect cross slide（35）；The cross slide（35）By connecting vertical spindle motor
（37）Vertical leading screw（38）Connect vertical slide（36）；The vertical slide（36）On be provided with front and rear cylinder（39）, it is described
Front and rear cylinder（39）It is connected to clamp collar blank（17）Manipulator（40）.
7. a kind of outer ball race grinding processing numerical-controlled grinder special of the cylindrical inner ring of bearing outer ring according to claim 6, it is special
Sign is, the cross slide way frame（31）On be provided with two rows of cross slide ways（32）；The cross slide（35）It is arranged on transverse direction
Guide rail（32）On.
8. a kind of outer ball race grinding processing numerical-controlled grinder special of the cylindrical inner ring of bearing outer ring according to claim 6, it is special
Sign is, the manipulator（40）Including with front and rear cylinder（39）The clamping fixture seat of connection（406）, the clamping fixture seat（406）Upper end
It is provided with clamping cylinder（401）And visual sensor, lower end both sides are symmetrically hinged with V-type clamping plate（404）, it is provided among lower end
L-type clamping plate（405）；The clamping cylinder（401）Lower end connects lift head（402）；The lift head（402）On be provided with two
Back-moving spring（403）, the back-moving spring（403）The other end respectively with corresponding V-type clamping plate（404）Connection.
9. a kind of outer ball race grinding processing numerical-controlled grinder special of the cylindrical inner ring of bearing outer ring according to claim 1, it is special
Sign is, the grinding wheel stand（8）Termination is fixedly installed protective cover（7）, the abrasive grinding wheel（5）Positioned at protective cover（7）It is interior；Institute
State coolant nozzle（18）It is arranged on protective cover（7）Top end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711196209.XA CN107932268A (en) | 2017-11-25 | 2017-11-25 | Special numerically controlled grinder for grinding outer raceway of outer circle and inner circle of bearing outer ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711196209.XA CN107932268A (en) | 2017-11-25 | 2017-11-25 | Special numerically controlled grinder for grinding outer raceway of outer circle and inner circle of bearing outer ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107932268A true CN107932268A (en) | 2018-04-20 |
Family
ID=61949836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711196209.XA Pending CN107932268A (en) | 2017-11-25 | 2017-11-25 | Special numerically controlled grinder for grinding outer raceway of outer circle and inner circle of bearing outer ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107932268A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857785A (en) * | 2018-07-04 | 2018-11-23 | 包旭红 | A kind of dynamic stability lathe |
| CN109571193A (en) * | 2018-12-27 | 2019-04-05 | 北京工研精机股份有限公司 | A kind of outer alley grinding machine |
| CN111318926A (en) * | 2020-04-01 | 2020-06-23 | 东莞市睿华智能科技有限公司 | Lathe tool grinding wheel dressing equipment |
| CN111644815A (en) * | 2020-06-10 | 2020-09-11 | 无锡商业职业技术学院 | Bearing sealing element framework and preparation method thereof |
| CN112276735A (en) * | 2020-11-17 | 2021-01-29 | 公主岭轴承有限责任公司 | Double-row tapered roller bearing outer ring raceway processing equipment |
| CN112828741A (en) * | 2019-11-22 | 2021-05-25 | 浙江翔宇密封件有限公司 | Bearing grinding assembly |
| CN116060885A (en) * | 2023-01-31 | 2023-05-05 | 沧州邦辉智能设备有限公司 | Finish machining method of industrial robot bearing |
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| CN108857785A (en) * | 2018-07-04 | 2018-11-23 | 包旭红 | A kind of dynamic stability lathe |
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| CN112828741A (en) * | 2019-11-22 | 2021-05-25 | 浙江翔宇密封件有限公司 | Bearing grinding assembly |
| CN112828741B (en) * | 2019-11-22 | 2021-12-21 | 浙江翔宇密封件有限公司 | Bearing grinding assembly |
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| CN111644815B (en) * | 2020-06-10 | 2022-03-18 | 无锡商业职业技术学院 | Bearing sealing element framework and preparation method thereof |
| CN112276735A (en) * | 2020-11-17 | 2021-01-29 | 公主岭轴承有限责任公司 | Double-row tapered roller bearing outer ring raceway processing equipment |
| CN116060885A (en) * | 2023-01-31 | 2023-05-05 | 沧州邦辉智能设备有限公司 | Finish machining method of industrial robot bearing |
| CN116060885B (en) * | 2023-01-31 | 2024-05-10 | 周先林 | Finish machining equipment for industrial robot bearing and installation and use method |
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