CN110000661A - Bearing internal external circle raceway and inner ring internal diameter equipment for grinding - Google Patents
Bearing internal external circle raceway and inner ring internal diameter equipment for grinding Download PDFInfo
- Publication number
- CN110000661A CN110000661A CN201910427435.7A CN201910427435A CN110000661A CN 110000661 A CN110000661 A CN 110000661A CN 201910427435 A CN201910427435 A CN 201910427435A CN 110000661 A CN110000661 A CN 110000661A
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- China
- Prior art keywords
- bearing
- grinding
- axis
- slide unit
- inner ring
- Prior art date
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- Granted
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- 238000000227 grinding Methods 0.000 title claims abstract description 112
- 230000007246 mechanism Effects 0.000 claims abstract description 104
- 229910001651 emery Inorganic materials 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 28
- 230000008569 process Effects 0.000 abstract description 18
- 238000012545 processing Methods 0.000 abstract description 5
- 230000035611 feeding Effects 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000009514 concussion Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910003460 diamond Inorganic materials 0.000 description 6
- 239000010432 diamond Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- 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
-
- 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
-
- 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
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- 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
-
- 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
- B24B53/075—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms
Abstract
Bearing internal external circle raceway and inner ring internal diameter equipment for grinding, it is related to technical field of bearing processing, it includes lathe bed, the lathe bed is equipped with feeding mechanism, positioning mechanism, grinding mechanism, measuring mechanism and dressing mechanism, the feeding mechanism, positioning mechanism, measuring mechanism and dressing mechanism are arranged on X axis slide unit, the grinding mechanism is arranged on Y-axis slide unit, and the X axis slide unit is slidably connected on lathe bed with Y-axis slide unit and glide direction is mutually perpendicular to.Only on a set of equipment provided by the invention, inner ring raceway grinding process, outer ring raceway grinding process and inner ring internal diameter grinding process can be respectively completed, and positioning method is more accurate, the bearing groove curvature processed is uniform, chamfered shape is consistent, the feeding mode of electro spindle is also more accurate and stablizes, service life is also longer, and the bearing accuracy processed can be made to reach P4, P2 grade standard.
Description
Technical field
The present invention relates to technical field of bearing processing, and especially a kind of bearing internal external circle raceway and the grinding of inner ring internal diameter are set
It is standby.
Background technique
Bearing has strict requirements as high-precision seal assembly, to working condition, and the manufacturing procedure of bearing has generally included
Grinding to the inner ring raceway of bearing, outer ring raceway and internal diameter, ultraprecision grinding process of the existing country's relevant industries to bearing
The mode positioned within being all first has good positioning bearing in each equipment, then respectively in each equipment carry out bearing inner race raceway,
The grinding of outer ring raceway and internal diameter.
When to bearing inner race raceway, outer ring raceway grinding, due to the mode using interior positioning, i.e., mainly to lead
Wheel compression axis makes guide wheel high speed rotation to be attached at baffle on the inside of equipment with dynamic bearing after holding, and the cover board in outside then can be with
Certain gap is generated between bearing, can generate a degree of shaking when carrying out high-speed rotation so as to cause bearing, in turn
The stability for influencing bearing groove (i.e. raceway) curvature is unable to reach to verticality and same so that ditch position ditch type is uneven, inconsistent
The technique requirement of heart degree, in some instances it may even be possible to will cause the case where outer circle of bearing products is pulled, directly affect the qualification rate of product.
When being ground to bearing inner ring interior diameter, the feeding mode of electro spindle be hydraulic-driven steel bushing make straight-line feed,
Concussion grinding, the feed accuracy of this steel sleeve structure is difficult to ensure, and steel bushing is prone to wear, and is just needed replacing within average three months
Steel bushing ball.
The defect that above-mentioned process generates not only is easy to influence the quality of product, also as various processes need to separate
It is carried out on multiple devices, to delay production efficiency to a certain extent, improves production cost.
Summary of the invention
Problem to be solved by this invention is to provide a kind of bearing internal external circle raceway and inner ring internal diameter equipment for grinding, only
Inner ring raceway grinding process, outer ring raceway grinding process and inner ring internal diameter grinding work can be respectively completed on a set of equipment
Sequence, and positioning method is more accurate, and the bearing groove curvature processed is uniform, chamfered shape is consistent, the feeding mode of electro spindle
Also more accurate and stable, service life is also longer.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of bearing internal external circle raceway and interior
Internal diameter equipment for grinding, including lathe bed are enclosed, the lathe bed is equipped with feeding mechanism, positioning mechanism, grinding mechanism, measuring mechanism and repairs
Complete machine structure, the feeding mechanism, positioning mechanism, measuring mechanism and dressing mechanism are arranged on X axis slide unit, the milling drum
Structure is arranged on Y-axis slide unit, and the X axis slide unit is slidably connected on lathe bed with Y-axis slide unit and glide direction is mutual
Vertically.
The feeding mechanism includes feed well and the pusher cylinder that charging trench bottom is arranged in, and the pusher cylinder is used for
Bearing is pushed into positioning mechanism.
The positioning mechanism includes for clamping bearing and two guide wheels with dynamic bearing rotation, the gear positioned at bearing front end
Plate, the supporting block positioned at the pressure rotor of bearing rear end and for abutting against bearing side, the pressure rotor is rotationally
It being mounted on rotator seat, the pressure rotor can resist bearing from the rear end of bearing to making the front end of bearing be against on baffle,
The pressure rotor can be rotated with bearing, and the cutter through hole with coaxial bearing setting is offered on the baffle, described two
Guide wheel is separately positioned on the top and lower section of bearing, and the axle center of described two guide wheels mutually staggers in the vertical direction, institute
Supporting block is stated between two guide wheels, described two guide wheels are sequentially connected with a driving wheel, and the driving wheel passes through biography
Dynamic band is connect with positioning mechanism motor drive.
The grinding mechanism includes the grinding wheel for being ground to bearing being mounted on Y-axis slide unit, the grinding wheel
It is rotated by grinding mechanism motor driven, the Y-axis slide unit is slidably connected by Y-axis lead screw with lathe bed, the Y-axis
Y-axis guide rail is also slidably connected between slide unit and lathe bed, the Y-axis lead screw transmission is connected with Y-axis servo motor, passes through
The Y-axis servo motor driving Y-axis lead screw rotation, can drive the Y-axis slide unit to move along Y-axis guide rail, so as to
The grinding wheel is set to move reciprocatingly along Y-axis direction.
The measuring mechanism includes the measurement seat that positioning mechanism rear is arranged in, and is connected with measurement on the measurement seat
Instrument cylinder, it is described to measure the measuring mechanism cylinder being equipped on seat for driving measuring instrument cylinder to move along the y axis, the survey
The front end for measuring instrument cylinder is equipped with measuring instrument, drives the measuring instrument cylinder mobile by the measuring mechanism cylinder, can make described
The rear portion for the bearing that measuring instrument is moved in positioning mechanism is to measure bearing.
The dressing mechanism includes the finishing pedestal for being mounted on X axis slide unit and being located on front side of positioning mechanism, described to repair
Bed rearrangement body is equipped with the emery wheel for modifying grinding wheel, and the emery wheel is rotated by dressing mechanism motor driven,
The X axis slide unit is slidably connected by X axis lead screw with lathe bed, also slidably connects X between the X axis slide unit and lathe bed
Axial guidance, the X axis lead screw transmission are connected with X axis servo motor, drive X axis by the X axis servo motor
Lead screw rotation, can drive the X axis slide unit to move along X axis guide rail, so as to make the emery wheel with straight-line feed side
Formula modifies grinding wheel.
Further, the X axis slide unit is equipped with fixing seat, and the guide wheel above the bearing is mounted on a work
On dynamic seat, the sliding seat is rotatably connected by a shaft with fixing seat, and one is fixedly connected in the sliding seat and is stuck up
Bar, the X axis slide unit be equipped with one for push down on support stick up bar thus make the sliding seat with shaft rotation center to
The discharging cylinder of upper tilting.
Preferably, the rotator seat is equipped with the measured hole protruded into for measuring instrument cylinder and measuring instrument.
It is highly preferred that one end of the measured hole is equipped with rotor set, the pressure rotor is rotatably arranged in rotor
In set, the rotor, which is put on, to be opened up there are two aeration aperture, and an aeration aperture inflation thereto can be the rear end of the pressure rotor
Face provides thrust to make pressure rotor push against bearing, inflates to another aeration aperture, can be the front end face of the pressure rotor
Thrust is provided to make pressure rotor and bearing be detached from.
It is highly preferred that studding with linear bearing in the measurement seat, the measuring instrument cylinder is movably connected in linear bearing.
Wherein, the quantity of the linear bearing is two.
The position for being preferably located at the guide wheel above the bearing is adjustable, thus the clamping between adjustable two guide wheels
Gap.
It is highly preferred that being detachably equipped with grinding wheel stand on the Y-axis slide unit, the grinding mechanism motor is mounted on grinding wheel
On seat, the grinding wheel is mounted on one end of grinding mechanism electric machine main shaft.
It is highly preferred that being covered with shell on the lathe bed.
It is highly preferred that the shell is equipped with dodge gate, the dodge gate is equipped with observation window.
The working principle of the invention is: bearing to be processed (inner ring of practical referred to bearing or outer ring) is from charging
Mechanism is fed in positioning mechanism, and double guide wheels clamp bearing, and pressure rotor abuts against the rear end face of bearing to make the front end of bearing
It is resisted against on baffle, and supporting block is then resisted against the side of bearing, positioning mechanism motor drives two guide wheels to rotate and then drive
Bearing rotation, at this time to the internal diameter of processing inner ring, then Y-axis servo motor driving Y-axis slide unit is mobile, so that grinding wheel be made to stretch
Enter and back and forth shaken campaign-styled grinding in inner ring, at the same time, measuring instrument rear to the grinding situation of inner ring internal diameter into
Row real-time monitoring then replaces the grinding wheel of different size to processing inner ring or the raceway of outer ring, after there is abrasion in grinding wheel,
Drive finishing pedestal mobile by X axis slide unit, so as to modify emery wheel in a manner of straight-line feed to grinding wheel.
The beneficial effects of the present invention are: one, above-mentioned positioning method pass through double guide wheel clampings, pressure rotor and baffle carry out
Double End positioning, and supported with supporting block, it can largely reduce the shaking of bearing generation when carrying out high-speed rotation, it can
The technique requirement of positioning accuracy, the verticality for guaranteeing bearing products and concentricity is improved, while the bearing processed can also be made
Ditch curvature is uniform, chamfered shape is consistent, and the shape of bearing products is avoided the phenomenon that being pulled occur.
Two, motor driven screw rod guide rail is taken as feed mechanism using private and carries out concussion grinding, can effectively ensure that for a long time
The precision stability of reciprocal concussion grinding, compared to it is existing in such a way that hydraulic-driven steel bushing makees straight-line feed concussion grinding come
It says, precision is more preferable, does not allow that easy to wear, the service life is longer.
Three, it uses emery wheel to modify in a manner of straight-line feed to grinding wheel, the dressing accuracy to grinding wheel can be improved, it is existing
Some dressing methods use diamond pen with single-contact grinding wheel, and are fallen from power using rocker arm and modified for feeding mode to grinding wheel,
Precision is low, and the error of generation is larger, and single-contact grinding wheel is prone to wear diamond pen, needs each shift replacement diamond pen,
And the dressing mechanism finishing grinding wheel of this equipment can make the shape of generatrix on grinding wheel more accurate, the abrasion of dressing mechanism itself is more
It is small.
Four, by replacement tooling, inner ring raceway grinding process, outer ring raceway mill can be only respectively completed on a set of equipment
Process and inner ring internal diameter grinding process are cut, production efficiency is largely improved, reduces production cost, can make to process
The bearing accuracy come reaches P4, P2 grade standard.
Detailed description of the invention
Fig. 1 is the overall structure diagram in the embodiment of the present invention；
Fig. 2 is the partial structure diagram of positioning mechanism in embodiment；
Fig. 3 is the positional structure schematic diagram of the positioning mechanism and bearing component after removing baffle in embodiment；
Fig. 4 is the side structure schematic view of measuring mechanism, positioning mechanism, bearing component and grinding wheel in embodiment；
Fig. 5 is structural schematic diagram when embodiment medial bed is covered with shell.
Appended drawing reference are as follows:
1 --- lathe bed 2 --- bearing 3 --- X axis slide unit
4 --- Y-axis slide unit 5 --- pusher cylinder 6a --- guide wheels
6b --- baffle 6c --- pressure rotor 6d --- supporting block
6e --- rotator seat 6f --- positioning mechanism motor 6g --- measured hole
--- rotor covers 7a --- grinding wheel 7b --- grinding mechanism motor to 6h
--- Y-axis guide rail 7d --- grinding wheel stand 8a --- measures seat to 7c
8b --- measuring instrument cylinder 8c --- measuring mechanism cylinder 8d --- measuring instrument
8e --- linear bearing 9a --- finishing pedestal 9b --- emery wheel
9c --- dressing mechanism motor 9d --- X axis guide rail 10a --- fixing seat
10b --- sliding seat 10c --- sticking up bar 10d --- discharging cylinder
11 --- shell 12 --- dodge gate 13 --- observation windows.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
It needs to illustrate in advance, in the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", the terms such as " connection ", " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Meaning.
In addition, in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.Term " on ", "lower", "front", "rear", "left", "right", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "top", "bottom" "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
As shown in Figs. 1-5, bearing internal external circle raceway and inner ring internal diameter equipment for grinding, including lathe bed 1, lathe bed 1 are equipped with
Feeding mechanism, positioning mechanism, grinding mechanism, measuring mechanism and dressing mechanism, feeding mechanism, positioning mechanism, measuring mechanism and are repaired
Complete machine structure is arranged on X axis slide unit 3, and grinding mechanism is arranged on Y-axis slide unit 4, X axis slide unit 3 and Y-axis slide unit 4
It is slidably connected on lathe bed 1 and glide direction is mutually perpendicular to.
Feeding mechanism includes feed well (attached to be not shown in the figure) and the pusher cylinder 5 that charging trench bottom is arranged in, pusher
Cylinder 5 is used to for bearing 2 being pushed into positioning mechanism.
Positioning mechanism include for clamp bearing 2 and with dynamic bearing 2 rotate two guide wheel 6a, positioned at 2 front end of bearing
Baffle 6b, supporting block 6d, pressure rotor 6c positioned at the pressure rotor 6c of 2 rear end of bearing and for abutting against 2 side of bearing
It is installed in rotation on rotator seat 6e, pressure rotor 6c can resist bearing 2 from the rear end of bearing 2 to make the front end of bearing 2
It is against on baffle 6b, pressure rotor 6c can be rotated with bearing 2, and the cutter being coaxially disposed with bearing 2 is offered on baffle 6b and is passed through
Hole, two guide wheel 6a are separately positioned on the top and lower section of bearing, and the axle center of two guide wheels 2 is mutually wrong in the vertical direction
It opens, supporting block 6d is located between two guide wheel 6a, and two guide wheel 6a are sequentially connected with a driving wheel, and driving wheel passes through transmission
Band is sequentially connected with positioning mechanism motor 6f.
Grinding mechanism includes the grinding wheel 7a for being ground to bearing 2 being mounted on Y-axis slide unit 4, grinding wheel 7a by
Grinding mechanism motor 7b driving is rotated, and Y-axis slide unit 4 is slidably connected by Y-axis lead screw with lathe bed 1, Y-axis slide unit 4
Y-axis guide rail 7c is also slidably connected between lathe bed 1, Y-axis lead screw transmission is connected with Y-axis servo motor, passes through Y-axis
Servo motor drives the rotation of Y-axis lead screw, Y-axis slide unit 4 can be driven to move along Y-axis guide rail 7c, so as to make grinding wheel 7a along Y
Axial direction moves reciprocatingly.
Measuring mechanism includes the measurement seat 8a that positioning mechanism rear is arranged in, and measures and is connected with gage column on seat 8a
Body 8b measures the measuring mechanism cylinder 8c being equipped on seat 8a for driving measuring instrument cylinder 8b to move along the y axis, measuring instrument
The front end of cylinder 8b is equipped with measuring instrument 8d, drives the measuring instrument cylinder 8b mobile by measuring mechanism cylinder 8c, can make to measure
The rear portion for the bearing 2 that instrument 8d is moved in positioning mechanism is to measure bearing 2.
Dressing mechanism includes the finishing pedestal 9a for being mounted on X axis slide unit 3 and being located on front side of positioning mechanism, modifies pedestal
9a is equipped with the emery wheel 9b for modifying grinding wheel 7a, and emery wheel 9b is rotated by dressing mechanism motor 9c driving, X
Axial slide unit 3 is slidably connected by X axis lead screw with lathe bed 1, also slidably connects X axis between X axis slide unit 3 and lathe bed 1
Guide rail 9d, X axis lead screw transmission are connected with X axis servo motor, drive the rotation of X axis lead screw by X axis servo motor, can
X axis slide unit 3 is driven to move along X axis guide rail 9d, so as to carry out emery wheel 9b in a manner of straight-line feed to grinding wheel 7a
Finishing.
The bearing internal external circle raceway and inner ring internal diameter equipment for grinding that above embodiment provides are at work, to be added first
The inner ring of practical the referred to bearing of the bearing 2(of work or outer ring) it is fed in positioning mechanism from feeding mechanism, double guide wheel 6a
Bearing 2 is clamped, pressure rotor 6c abuts against the rear end face of bearing 2 to make the front end of bearing 2 be resisted against on baffle 6b, and supporting block
6d is then resisted against the side of bearing 2, and positioning mechanism motor 6f drives two guide wheel 6a rotations and then rotates with dynamic bearing 2, at this time
To process the internal diameter of inner ring, then Y-axis servo motor driving Y-axis slide unit 4 is mobile, thus make grinding wheel 7a protrude into inner ring into
Row back and forth shakes campaign-styled grinding, and at the same time, measuring instrument 8d is supervised in real time in grinding situation of the rear to inner ring internal diameter
It surveys, to processing inner ring or the raceway of outer ring, then replaces the grinding wheel 7a of different size and pass through X after abrasion occurs in grinding wheel 7a
Axial slide unit 3 drives finishing pedestal 9a mobile, so as to modify emery wheel 9b in a manner of straight-line feed to grinding wheel 7a.
The positioning method of this equipment passes through double guide wheel 6a clampings, pressure rotor 6c and baffle 6b and carries out Double End positioning, and
With supporting block 6d support, it can largely reduce the shaking of the generation when carrying out high-speed rotation of bearing 2, positioning accurate can be improved
Degree, guarantee bearing products verticality and concentricity technique requirement, while can also make the bearing groove curvature processed uniformly,
Chamfered shape is consistent, and the shape of bearing products is avoided the phenomenon that being pulled occur；In addition, taking motor driven screw rod guide rail using private
Concussion grinding is carried out as feed mechanism, can effectively ensure that the precision stability of reciprocal concussion grinding for a long time, compared to existing
For in such a way that hydraulic-driven steel bushing makees straight-line feed concussion grinding, precision is more preferable, does not allow easy to wear, service life more
It is long, in addition to this, emery wheel 9b is used to modify in a manner of straight-line feed to grinding wheel 7a, the finishing to grinding wheel 7a can be improved
Precision, existing dressing method use diamond pen with single-contact grinding wheel, and are fallen from power using rocker arm as feeding mode to grinding wheel 7a
It is modified, precision is low, and the error of generation is larger, and single-contact grinding wheel 7a is prone to wear diamond pen, needs each shift
Diamond pen is replaced, and the dressing mechanism of this equipment finishing grinding wheel 7a can make the shape of generatrix on grinding wheel 7a more accurate, finishing machine
The abrasion of structure itself is also smaller.
As it can be seen that can only be respectively completed inner ring raceway grinding process, outer ring raceway on a set of equipment by replacement tooling
Grinding process and inner ring internal diameter grinding process, largely improve production efficiency, reduce production cost, can make to process
Bearing accuracy out reaches P4, P2 grade standard.
Further, X axis slide unit 3 is equipped with fixing seat 10a, and the guide wheel 6a above bearing is mounted on a sliding seat
On 10b, sliding seat 10b is rotatably connected by a shaft with fixing seat 10a, and one is fixedly connected on sliding seat 10b and is stuck up
Bar 10c, X axis slide unit 3 are equipped with one for pushing down on to bar 10c is stuck up to make sliding seat 10b with shaft rotation center
The discharging cylinder 10d being upturned, and then the guide wheel 6a of top can be made to lift, then workpiece can roll out to carry out discharging.
Preferably, rotator seat 6e is equipped with the measured hole 6g protruded into for measuring instrument cylinder 8b and measuring instrument 8d, should
One end of measured hole 6g is equipped with rotor set 6h, and pressure rotor 6c is rotatably arranged in rotor set 6h, opens on rotor set 6h
If there are two aeration aperture, an aeration aperture inflation thereto can provide thrust for the rear end face of pressure rotor 6c to make pressure
Rotor 6c pushes against bearing 2, inflates to another aeration aperture, can provide thrust for the front end face of pressure rotor 6c to make pressure turn
Sub- 6c and bearing 2 are detached from.
More preferably, it measures in seat 8a and studs with linear bearing 8e, measuring instrument cylinder 8b is movably connected in linear bearing
In 8e, wherein the quantity of linear bearing 8e is two, and existing measuring instrument feeding measurement method is that double steel bushing linear guide poles feedings are surveyed
Amount, structure, which is prone to wear out steel bushing, to be caused to generate gap, so that the accuracy of measured data in process is influenced, and this reality
It applies in example and straight-line feed measurement is carried out with measuring instrument cylinder by interior edge linear bearing 8e, it is processed product can be well solved
The inadequate problem of measurement data accuracy in journey meets the craft precision requirement to product.
More preferably, the position of the guide wheel 6a of 2 top of bearing is adjustable, thus between adjustable two guide wheels 2
Clamping gap, with meet positioning different size bearing inner race or outer ring.
More preferably, grinding wheel stand 7d is detachably installed, grinding mechanism motor 7b is mounted on sand on Y-axis slide unit 4
On wheel seat 7d, grinding wheel 7a is mounted on one end of grinding mechanism motor 7b main shaft, and the later period is facilitated to carry out dismounting maintenance.
In addition, in the present embodiment, as shown in figure 5, shell 11 can be also covered on lathe bed 1, settable activity on shell 11
Door 12, also settable observation window 13 on dodge gate 12.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
In order to allow those of ordinary skill in the art more easily to understand the improvements of the present invention compared with the existing technology, this
Some attached drawings of invention and description have been simplified, and for the sake of clarity, present specification is omitted some other members
Element, the element that those of ordinary skill in the art should be aware that these are omitted also may make up the contents of the present invention.
Claims (10)
1. bearing internal external circle raceway and inner ring internal diameter equipment for grinding, including lathe bed (1), it is characterised in that: on the lathe bed (1)
Equipped with feeding mechanism, positioning mechanism, grinding mechanism, measuring mechanism and dressing mechanism, the feeding mechanism, positioning mechanism, measurement
Mechanism and dressing mechanism are arranged on X axis slide unit (3), and the grinding mechanism is arranged on Y-axis slide unit (4), the X-axis
It is slidably connected on lathe bed (1) to slide unit (3) with Y-axis slide unit (4) and glide direction is mutually perpendicular to；
The feeding mechanism includes feed well and the pusher cylinder (5) that charging trench bottom is arranged in, and the pusher cylinder (5) is used
It is pushed into positioning mechanism in by bearing (2)；
The positioning mechanism include for clamp bearing (2) and with dynamic bearing (2) rotation two guide wheels (6a), be located at bearing
(2) baffle (6b) of front end, the branch positioned at the pressure rotor (6c) of bearing (2) rear end and for abutting against bearing (2) side
Bracer (6d), the pressure rotor (6c) are installed in rotation on rotator seat (6e), and the pressure rotor (6c) can be from bearing
(2) rear end resists bearing (2) to make the front end of bearing (2) be against on baffle (6b), and the pressure rotor (6c) can be with axis
(2) rotation is held, the cutter through hole with bearing (2) coaxial arrangement, described two guide wheels (6a) are offered on the baffle (6b)
It is separately positioned on the top and lower section of bearing (2), and the axle center of described two guide wheels (2) mutually staggers in the vertical direction,
The supporting block (6d) is located between two guide wheels (6a), and described two guide wheels (6a) are sequentially connected with a driving wheel, institute
Driving wheel is stated to be sequentially connected by transmission belt and positioning mechanism motor (6f)；
The grinding mechanism includes the grinding wheel (7a) for being ground to bearing (2) being mounted on Y-axis slide unit (4), institute
It states grinding wheel (7a) to be rotated by grinding mechanism motor (7b) driving, the Y-axis slide unit (4) passes through Y-axis lead screw and lathe bed
(1) it is slidably connected, also slidably connects Y-axis guide rail (7c), the Y-axis between the Y-axis slide unit (4) and lathe bed (1)
Lead screw transmission is connected with Y-axis servo motor, drives the rotation of Y-axis lead screw by the Y-axis servo motor, can drive described
Y-axis slide unit (4) is mobile along Y-axis guide rail (7c), so as to make the grinding wheel (7a) move reciprocatingly along Y-axis direction；
The measuring mechanism includes the measurement seat (8a) that positioning mechanism rear is arranged in, and is connected on the measurement seat (8a)
Measuring instrument cylinder (8b), it is described to measure the survey being equipped on seat (8a) for driving measuring instrument cylinder (8b) to move along the y axis
The front end of measuring mechanism cylinder (8c), the measuring instrument cylinder (8b) is equipped with measuring instrument (8d), passes through the measuring mechanism cylinder
(8c) drives the measuring instrument cylinder (8b) mobile, the bearing (2) that the measuring instrument (8d) can be made to be moved in positioning mechanism
Rear portion is to measure bearing (2)；
The dressing mechanism includes the finishing pedestal (9a) for being mounted on X axis slide unit (3) and being located on front side of positioning mechanism, described
Pedestal (9a) is modified equipped with the emery wheel (9b) for modifying grinding wheel (7a), the emery wheel (9b) passes through dressing mechanism
Motor (9c) driving is rotated, and the X axis slide unit (3) is slidably connected by X axis lead screw with lathe bed (1), the X axis
It is also slidably connected between slide unit (3) and lathe bed (1) X axis guide rail (9d), the X axis lead screw transmission is connected with X axis and watches
Motor is taken, the rotation of X axis lead screw is driven by the X axis servo motor, the X axis slide unit (3) can be driven to lead along X axis
Rail (9d) is mobile, so as to modify the emery wheel (9b) in a manner of straight-line feed to grinding wheel (7a).
2. bearing internal external circle raceway according to claim 1 and inner ring internal diameter equipment for grinding, it is characterised in that: the X
Axial slide unit (3) is equipped with fixing seat (10a), and the guide wheel (6a) above the bearing is mounted on a sliding seat (10b)
On, the sliding seat (10b) is rotatably connected by a shaft with fixing seat (10a), fixed on the sliding seat (10b) to connect
It is connected to one to stick up bar (10c), the X axis slide unit (3) is equipped with one for pushing down on to bar (10c) is stuck up to make the work
The discharging cylinder (10d) that dynamic seat (10b) is upturned using shaft as rotation center.
3. bearing internal external circle raceway according to claim 2 and inner ring internal diameter equipment for grinding, it is characterised in that: described turn
Stroma (6e) is equipped with the measured hole (6g) protruded into for measuring instrument cylinder (8b) and measuring instrument (8d).
4. bearing internal external circle raceway according to claim 3 and inner ring internal diameter equipment for grinding, it is characterised in that: the survey
One end of metering-orifice (6g) is equipped with rotor set (6h), and the pressure rotor (6c) is rotatably arranged in rotor set (6h), institute
It states and is opened up on rotor set (6h) there are two aeration aperture, thereto an aeration aperture inflation, it can be for after the pressure rotor (6c)
End face provides thrust to make pressure rotor (6c) to push against bearing (2), inflates to another aeration aperture, can be the pressure rotor
The front end face of (6c) provides thrust to make pressure rotor (6c) and bearing (2) to be detached from.
5. bearing internal external circle raceway according to claim 4 and inner ring internal diameter equipment for grinding, it is characterised in that: the survey
It is studded with linear bearing (8e) in amount seat (8a), the measuring instrument cylinder (8b) is movably connected in linear bearing (8e).
6. bearing internal external circle raceway according to claim 5 and inner ring internal diameter equipment for grinding, it is characterised in that: described straight
The quantity that spool holds (8e) is two.
7. bearing internal external circle raceway according to claim 6 and inner ring internal diameter equipment for grinding, it is characterised in that: be located at institute
The position for stating the guide wheel (6a) above bearing (2) is adjustable, thus the clamping gap between adjustable two guide wheels (2).
8. bearing internal external circle raceway according to claim 7 and inner ring internal diameter equipment for grinding, it is characterised in that: the Y
It is detachably equipped with grinding wheel stand (7d) on axial slide unit (4), the grinding mechanism motor (7b) is mounted on grinding wheel stand (7d), institute
State one end that grinding wheel (7a) is mounted on grinding mechanism motor (7b) main shaft.
9. bearing internal external circle raceway according to claim 8 and inner ring internal diameter equipment for grinding, it is characterised in that: the bed
Shell (11) are covered on body (1).
10. bearing internal external circle raceway according to claim 9 and inner ring internal diameter equipment for grinding, it is characterised in that: described
Shell (11) is equipped with dodge gate (12), and the dodge gate (12) is equipped with observation window (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910427435.7A CN110000661B (en) | 2019-05-22 | 2019-05-22 | Bearing inner and outer ring rollaway nest and inner ring internal diameter grinding equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910427435.7A CN110000661B (en) | 2019-05-22 | 2019-05-22 | Bearing inner and outer ring rollaway nest and inner ring internal diameter grinding equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN110000661A true CN110000661A (en) | 2019-07-12 |
| CN110000661B CN110000661B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910427435.7A Active CN110000661B (en) | 2019-05-22 | 2019-05-22 | Bearing inner and outer ring rollaway nest and inner ring internal diameter grinding equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454077A (en) * | 2022-01-25 | 2022-05-10 | 浙江神龙轴承有限公司 | Bearing polishing equipment |
| CN115533698A (en) * | 2022-09-28 | 2022-12-30 | 重庆大学 | Variable cross section jar internal wall grinding device |
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|---|---|---|---|---|
| US5363598A (en) * | 1990-09-20 | 1994-11-15 | Toyoda Koki Kabushiki Kaisha | Machine tool capable of grinding a workpiece with a truing apparatus |
| CN102371522A (en) * | 2011-12-05 | 2012-03-14 | 濮阳贝英数控机械设备有限公司 | Grinding device and method for bearing outer ring raceway |
| CN104889863A (en) * | 2015-05-13 | 2015-09-09 | 秦川机床工具集团股份公司 | Large high-accuracy gear composite grinding center |
| CN105690192A (en) * | 2016-03-25 | 2016-06-22 | 洛阳亨基智能数控装备科技有限公司 | High-precision numerical control cylindrical roller grinding machine |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5363598A (en) * | 1990-09-20 | 1994-11-15 | Toyoda Koki Kabushiki Kaisha | Machine tool capable of grinding a workpiece with a truing apparatus |
| CN102371522A (en) * | 2011-12-05 | 2012-03-14 | 濮阳贝英数控机械设备有限公司 | Grinding device and method for bearing outer ring raceway |
| CN104889863A (en) * | 2015-05-13 | 2015-09-09 | 秦川机床工具集团股份公司 | Large high-accuracy gear composite grinding center |
| CN105690192A (en) * | 2016-03-25 | 2016-06-22 | 洛阳亨基智能数控装备科技有限公司 | High-precision numerical control cylindrical roller grinding machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454077A (en) * | 2022-01-25 | 2022-05-10 | 浙江神龙轴承有限公司 | Bearing polishing equipment |
| CN115533698A (en) * | 2022-09-28 | 2022-12-30 | 重庆大学 | Variable cross section jar internal wall grinding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110000661B (en) | 2023-12-26 |
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