CN109877706A - A kind of dressing method of grinding wheel interpolation dressing mechanism - Google Patents
A kind of dressing method of grinding wheel interpolation dressing mechanism Download PDFInfo
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- CN109877706A CN109877706A CN201910303456.8A CN201910303456A CN109877706A CN 109877706 A CN109877706 A CN 109877706A CN 201910303456 A CN201910303456 A CN 201910303456A CN 109877706 A CN109877706 A CN 109877706A
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Abstract
The invention discloses a kind of dressing methods of grinding wheel interpolation dressing mechanism, belong to crushing technical field.The present invention includes diamond pen, rotating unit, upper pallet, length feed unit and lower pallet, the diamond pen is mounted on the rotating arm of rotating unit, the rotating arm is connected with the servo motor of rotating unit, and then drives diamond pen rotation to treat processing grinding wheel by servo motor and modified；The rotating unit is fixedly mounted on upper pallet, which is slidably connected with lower pallet, and glide direction is vertical with diamond pen；The length feed unit is mounted on lower pallet, for driving upper pallet to move.The present invention is used cooperatively it with driving motor by the way that the radius of gyration of diamond pen is set as definite value, motion profile needed for obtaining, convenient for carrying out interpolation finishing to different grinding wheels.
Description
Technical field
The present invention relates to crushing technical fields, more specifically to a kind of finishing of grinding wheel interpolation dressing mechanism
Method.
Background technique
As market steps up bearing quality requirement, in the grinding of roller bearing inner and outer ring and roller, greatly
Its contact surface is required with certain micro protuberance shape, i.e., in the inner ring of bearing, outer ring, roller is all needed with certain
" three is convex " said inside protuberance shape, i.e. industry.This is because being connect at the edge of raceway one with very big in bearing operation
Stress concentration phenomenon is touched, leading to the damage of most bearings is started at the edge of raceway.In order to eliminate the concentration of edge stress
With the working life for improving raceway, this crowned raceway is mostly taken in industry.In addition, the design of convexity is being rolled convenient for roller
It is run in road, reduces rolling frictional resistance, and lubricating oil can also be relatively easy into rolling faying face.
In the prior art, there are many method for modifying convexity, wherein popular has the finishing of single-point oblique line, profiling finishing
Be hyperbola, circular arc Deng, the protuberance shape for modifying out, although also can by bearing machining at certain protuberance shape,
Still there is ball screw influences the shape of diamond pen processing grinding wheel there are backhaul gap, and then influences the convexity of bearing, and
Convexity central symmetry degree is not easy the problems such as adjusting, so that wheel dressing mechanism becomes very complicated, adjusts also more troublesome, system
About the further development of raceway convexity.
The principle such as Fig. 1, You Tuke in Figure of description of single-point oblique line popular in high-end market finishing at present
Know, be equipped with diamond pen 100 in 200 outer side of grinding wheel, which is moved along the width direction of grinding wheel 200, and
100 motion track of diamond pen and 200 centre of gyration of grinding wheel have a certain degree θ, and the outer of grinding wheel 1 is trimmed to miniature concave shape
Shape adjusts angle, θ when bearing needs different convexitys, i.e. control diamond pen 100 and 200 points of tangency A of grinding wheel and B location, just
It can control convexity size.But as in grinding dressing, diameter gradually becomes smaller grinding wheel 200 in entire dressing process, if angle
Degree θ is certain, then convexity size is a variable, i.e. convexity will be gradually increased.If keeping convexity size constant, it is necessary to synchronous
Change the angle value of θ, but in actual operation, angle, θ is to be difficult the variation with grinding wheel and change.Due to depositing for this drawback
Such finishing scheme can not meet the requirement in high-end market to bearing protuberance shape.
Through retrieving, China Patent No.: ZL 201410682406.2, authorized announcement date: on May 3rd, 2017, innovation and creation
Title: a kind of for processing the grinding wheel dressing method and device of bearing inner race track convex degree, this application passes through turbine and worm hole
It controls diamond pen and makees circular motion in Y-axis space reciprocally swinging, grinding wheel cylindrical is modified, so that being formed on grinding wheel outer ring recessed
Shape outer circle hyperbola bus, and then process bearing inner race raceway and form certain convexity.Although this application is carried out using circular arc
Finishing, but the program needs to carry out constantly to adjust the diamond pen radius of gyration, in actual processing process for the grinding wheel of different-thickness
In, since the convexity size of bearing is in several μ, if to obtain different convexitys, first have to adjust height again after adjusting radius, so
It checks repeatedly afterwards, this adjustment is time-consuming and laborious, and effect is also undesirable, needs constantly to detect the convexity of bearing.
For another example, China Patent No.: ZL 201010101943.5, authorized announcement date: on August 31st, 2011, innovation and creation name
Claim: the grinding wheel dressing method that raceway of outer ring of bearing grinding uses, the motion profile at small slide block B point in this application
Be using at connecting rod A point as the center of circle, using at A point to the spacing L at B point as the circular motion of radius, realize double-workbench and connecting rod
Between two-dimentional resultant motion, the working face of grinding wheel is trimmed to the identical great circle cambered surface of radius of curvature R, later sand wheel set bearing
Raceway of outer ring carries out grinding, and raceway of outer ring of bearing is made to have certain convexity.Although this application is also using circle
Arc finishing, but the diamond pen in this application is fixed on small slide block, in the continuous dressing process of grinding wheel, the diameter of grinding wheel by
It is decrescence small, in order to guarantee that the convexity on raceway is consistent, need artificially to constantly regulate rotating nuts, controlled level distance, into
And the diamond pen radius of gyration is controlled, but realize more difficulty in actual operation, it needs to be further improved.
Summary of the invention
1. technical problems to be solved by the inivention
When modifying grinding wheel in the prior art it is an object of the invention to overcome, it is difficult to be processed using same trimmer different recessed
The deficiency for spending grinding wheel, provides a kind of dressing method of grinding wheel interpolation dressing mechanism；By will in grinding wheel interpolation dressing mechanism it is golden
The radius of gyration of rigid pen is set as definite value, and is used cooperatively it with driving motor, motion profile needed for obtaining, convenient for different sand
Wheel carries out interpolation finishing.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of dressing method of grinding wheel interpolation dressing mechanism of the invention, is repaired using a kind of grinding wheel interpolation dressing mechanism
It is whole, it the steps include:
A, the revolution highest point for adjusting diamond pen is identical as the height of the grinding wheel centre of gyration；
B, according to the concavity of required grinding wheel, diamond pen motion profile is determined；
It c, is that origin establishes coordinate system according to the rotation center of diamond pen when incision, diamond pen motion profile meets with lower section
Journey relationship:
X=Rcos θ ± Vt
Y=Rsin θ
Wherein, X indicates that track abscissa, Y indicate that track ordinate, θ indicate that diamond pen rotates angle between center；
V indicates diamond pen along the movement speed of grinding wheel axial direction, and t indicates that the traveling time of diamond pen, R indicate the radius of turn of diamond pen；
D, servo motor drives diamond pen movement, while length feed unit drives diamond pen with speed V along grinding wheel axial direction
Movement, modifies grinding wheel.
As a further improvement of the present invention, a kind of grinding wheel interpolation dressing mechanism includes diamond pen, rotation list
Member, upper pallet, length feed unit and lower pallet, the diamond pen are mounted on the rotating arm of rotating unit, the rotating arm
It is connected with the servo motor of rotating unit, and then drives diamond pen rotation to treat processing grinding wheel by servo motor and modified；
The rotating unit is fixedly mounted on upper pallet, which is slidably connected with lower pallet, glide direction and diamond pen
Vertically；The length feed unit is mounted on lower pallet, for driving upper pallet to move.
As a further improvement of the present invention, longitudinal side rails, the upper pallet are installed on the lower pallet
On be provided with slideway, the slideway and longitudinal side rails cooperate.
As a further improvement of the present invention, upper installing hole, the upper installing hole are offered on the rotating arm
In fine adjustment shaft is installed, the diamond pen is mounted on fine adjustment shaft.
As a further improvement of the present invention, the diamond pen deviates the setting of fine adjustment shaft central axis, and the fine tuning
Axis can rotate in upper installing hole.
As a further improvement of the present invention, rotating and regulating mechanism is installed on the fine adjustment shaft, rotates the rotation
Adjustment mechanism drives fine adjustment shaft to rotate in upper installing hole.
As a further improvement of the present invention, the fine adjustment shaft can be rotated relative to upper installing hole, in fine adjustment shaft and gold
Mounting blocks are equipped between rigid pen, diamond pen is fixedly mounted on the mounting blocks, and diamond pen deviates the setting of fine adjustment shaft central axis.
As a further improvement of the present invention, offer location hole on the side of the rotating arm, the location hole with it is upper
Mounting hole is connected, and is inserted into location hole by fixing piece, carries out position and lock to fine adjustment shaft.
As a further improvement of the present invention, the upper pallet upper surface is equipped with fixed block, which symmetrically divides
Cloth locks servo motor in servo motor two sides, by fixing bolt horizontally disposed on fixed block.
As a further improvement of the present invention, the rotating arm circular-rotation or reciprocally swinging driving diamond pen movement.
3. beneficial effect
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result:
(1) dressing method of a kind of grinding wheel interpolation dressing mechanism of the invention, by the way that diamond pen is fixed on rotation
On arm, by Serve Motor Control diamond pen using shaft as the center of circle, the central axis of diamond pen away from the central axis of shaft away from
It is rotated from for radius, while length feed motor drives diamond pen along longitudinal movement, makes the motion track of diamond pen
The non-circular arc symmetrical curve of one variable curvature, i.e., go out certain concavity in crushing, process to bearing, with one
Fixed convexity, while both servo motor and length feed motor cooperate, and different concavity is modified out on grinding wheel, is not necessarily to
The radius of gyration for replacing diamond pen, to change the concavity of grinding wheel.
(2) a kind of grinding wheel interpolation dressing mechanism of the invention, when due to diamond pen finishing, the radius of gyration is definite value, by
In device, in assembling process, there are rigging errors, and the revolution highest point for causing diamond pen and the grinding wheel centre of gyration be not in same height
Degree, the height in order to guarantee the two is identical, and diamond pen deviates the setting of fine adjustment shaft central axis, by artificially rotating diamond pen,
The central axis of diamond pen is adjusted at a distance from the central axis of shaft, makes revolution highest point and the grinding wheel centre of gyration of diamond pen
In sustained height, grinding wheel is modified convenient for trimming device.
(3) a kind of grinding wheel interpolation dressing mechanism of the invention, for the ease of controlling the longitudinal movement track of diamond pen, subiculum
Longitudinal side rails are installed on plate, are provided with slideway on upper pallet, the slideway and longitudinal side rails cooperate, and are conducive to longitudinal direction
Feeding motor drives diamond pen to be moved, and the fit form of longitudinal side rails and slideway intersects using stability is good
Roller guide rail form, the crossed roller guide rail easily realize that high load capacity moves, and mechanical energy consumption is small, precision is high.
Detailed description of the invention
Fig. 1 is that single-point oblique line modifies schematic diagram；
Fig. 2 is a kind of structural schematic diagram of grinding wheel interpolation dressing mechanism of the present invention；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the structural schematic diagram of rotating unit in the present invention；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the structural schematic diagram of rotating arm in the present invention；
Fig. 7 is the movement locus schematic diagram of diamond pen in the present invention；
Fig. 8 is another movement locus schematic diagram of diamond pen in invention；
Fig. 9 is the structural schematic diagram of trimming device in embodiment 7；
Figure 10 is the left view of Fig. 9.
Label declaration in schematic diagram:
100, diamond pen；
200, grinding wheel；
300, rotating unit；301, servo motor；302, retarder；303, shaft；304, rotating arm；305, lower installation
Hole；306, keeper；307, fixation hole；308, upper installing hole；309, fine adjustment shaft；310, location hole；311, mounting blocks；
400, upper pallet；401, fixed block；402, fixing bolt；
500, length feed unit；501, length feed motor；502, the first ball screw；503, the first screw pair；
600, longitudinal side rails；
700, lower pallet；
800, traverse feed unit；801, traverse feed motor；802, the second ball screw；803, the second screw pair；
900, lateral slide rail.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 2 and Fig. 3, a kind of grinding wheel interpolation dressing mechanism of the present embodiment, including diamond pen 100, grinding wheel 200, turn
Moving cell 300, wherein diamond pen 100 is fixedly mounted on the rotating arm 304 of rotating unit 300, and the rotating arm 304 and rotation are single
The shaft 303 of the servo motor 301 of member 300 is connected.Being operated by servo motor 301 drives rotating arm 304 to rotate, and then drives
Diamond pen 100 rotates, to modify to the grinding wheel 200 on workbench, and entire rotating unit 300 is fixedly mounted on pop-up
On plate 400, which is located on the table.
Controlling diamond pen 100 by servo motor 301 with shaft 303 is the center of circle, with the central axis of diamond pen 100 away from turning
The distance of the central axis of axis 303 is that radius is rotated, which can be circular-rotation or circular arc reciprocally swinging, as one
Preferably, the rotation in the present embodiment is circular arc reciprocally swinging to kind, so that diamond pen 100 is mechanical-moulded to the finishing of grinding wheel 200, just
In processing, and the motion profile of diamond pen 100 is more smooth, stablizes, and improves the dressing accuracy of grinding wheel 200.
In order to process different concavity to grinding wheel 200, and then Bearing Grinding is cut out to different convexitys, in the prior art absolutely
Most of is all to change the point of penetration of diamond pen 100 and grinding wheel 200, due to Buddha's warrior attendant by adjusting 100 radius of gyration of diamond pen
The track of 100 rotation of pen is a symmetrical circular arc, cuts out the concavity that a little can also change so that the finishing of its grinding wheel 200 comes out
It can change, to realize the bearing for being ground out different convexitys, but adjust the radius of gyration of diamond pen 100, and guarantee to make
In sustained height, this adjustment process is difficult, needs constantly to adjust for the revolution highest point of diamond pen 100 and 200 centre of gyration of grinding wheel
The radius of gyration is saved, carries out grinding test, and whether the size for detecting the convexity of final bearing meets high quality requirement, whole process
It is time-consuming and laborious.
In order to guarantee concavity that diamond pen 100 modifies grinding wheel 200 in the present embodiment, do not changing Buddha's warrior attendant in the present embodiment
Under the premise of 100 radiuses of gyration of pen, length feed unit 500 is had additional below upper pallet 400, the length feed unit 500
It is arranged on lower pallet 700 on the table, which is slidably connected with upper pallet 400, and length feed unit 500 is set
It sets between lower pallet 700 and upper pallet 400, length feed unit 500 is able to drive upper pallet 400 and is moved along longitudinal direction,
The longitudinal movement direction refers to the horizontal direction vertical with diamond pen 100, the i.e. axial direction of grinding wheel 200.Pass through servo motor
301 and length feed unit 500 be used cooperatively, guarantee the concavity of grinding wheel 200.
As shown in figure 3, the length feed unit 500 in the present embodiment includes length feed motor 501, the first ball screw
502 and first screw pair 503, wherein it is connected between length feed motor 501 and the first ball screw 502 by shaft coupling；The
One screw pair 503 is mounted on the first ball screw 502, which can be moved on the first ball screw 502
It is dynamic, and the first screw pair 503 is fixedly linked with upper pallet 400 by screw.
After length feed motor 501 starts, the first ball screw 502 rotation, the first screw pair 503 turns rotary motion
Become moving along a straight line, i.e., the first screw pair 503 moves on the first ball screw 502, and then drives upper pallet 400 mobile.By
Length feed motor 501 in this present embodiment controls the longitudinal movement of diamond pen 100, it can control diamond pen 100 is vertical
Amount forward or backward, allows trimming device that grinding wheel 200 is trimmed to different concavity, without artificially to diamond pen
100 radius of gyration is adjusted, and changes the concavity of sand 200.
In addition, in order to guarantee that rotating unit 300 is moved together with upper pallet 400, as shown in Figure 4 and Figure 5, the present embodiment
In in the upper surface of upper pallet 400 be equipped with 4 or 6 fixed blocks 401, which is evenly distributed on the two of servo motor 301
Servo motor 301 is locked on upper pallet 400 by side, fixing bolt 402 horizontal through the fixed block 401, i.e. progress water
It is flat to fix.The structure designs servo motor 301 easy to disassemble, periodically safeguards to servo motor 301.Structure design guarantees
When diamond pen 100 modifies grinding wheel 200, rotating unit 300 will not move on upper pallet 400, to will not influence
Dressing accuracy of the diamond pen 100 to grinding wheel 200.
A kind of grinding wheel interpolation dressing mechanism of the present embodiment, when diamond pen 100 modifies grinding wheel 200, by turning
It is the center of circle that the servo motor 301 of moving cell 300, which controls diamond pen 100 with shaft 303, and the central axis of diamond pen 100 is away from shaft
The distance of 303 central axis is that radius is rotated, while length feed motor 501 drives diamond pen 100 along longitudinal shifting
Dynamic, which makees the circular motion of reciprocally swinging, makes the non-circular arc of one variable curvature of motion track of diamond pen 100
Symmetrical curve is modified out certain concavity in the side of grinding wheel 200, and then is processed to bearing, have bearing certain
Convexity, meet the requirement of high quality bearing.
Embodiment 2
In conjunction with Fig. 2, a kind of grinding wheel interpolation dressing mechanism of the present embodiment, substantially with embodiment 1, the difference is that:
The present embodiment is equipped with longitudinal side rails 600 on lower pallet 700, and slideway, longitudinal sliding motion are provided on upper pallet 400
Guide rail 600 and slideway cooperate, and control upper pallet 400 along the axial movement of grinding wheel 200 convenient for length feed motor 501.
In order to further ensure the even running of diamond pen 100 in the present embodiment, deceleration is integrated on servo motor 301
Device 302, by servo motor 301 and retarder 302, cooperation drives diamond pen 100 to swing jointly.
As a preference, the planet of the retarder 302 in the present embodiment high, low noise and service life length using transmission efficiency
Formula retarder.
Rotating arm 304 in the present embodiment can be mounted obliquely in shaft 303, can also be vertically mounted on shaft
On 303, as long as guaranteeing that servo motor 301 is able to drive diamond pen 100 and is swung.
As a preference, the rotating arm 304 in the present embodiment is vertically arranged with shaft 303, convenient for carrying out to grinding wheel 200
It modifies and rotating arm 304 is mounted in shaft 303.
In addition, offering upper installing hole 308 on the rotating arm 304 in the present embodiment, peace on this in conjunction with Fig. 4, Fig. 5 and Fig. 6
Dress is inserted with fine adjustment shaft 309 in hole 308, which is connected with diamond pen 100, convenient for diamond pen 100 on rotating arm 304
It is dismounted.
Embodiment 3
In conjunction with Fig. 2, a kind of grinding wheel interpolation dressing mechanism of the present embodiment, substantially with embodiment 2, the difference is that:
Longitudinal side rails 600 in the present embodiment are horizontally set on the upper surface of lower pallet 700, and slideway is arranged in upper pallet 400
Lower surface on, the two is used in conjunction with each other, mobile convenient for upper pallet 400.
In addition, the present embodiment offers hole on the bottom surface of the shell of servo motor 301 and upper pallet 400, bolt is passed through
Servo motor 301 is fixed on upper pallet 400 by two holes, i.e., is vertically fixed to servo motor 301.By horizontal and vertical
Rotating unit 300 is fixed on upper pallet 400 by histogram to dual fixation.
In conjunction with Fig. 4, Fig. 5 and Fig. 6, the fine adjustment shaft 309 in the present embodiment can rotate in upper installing hole 308, in order to anti-
Only diamond pen 100 is when modifying grinding wheel 200, as fine adjustment shaft 309 rotates together, side of the present embodiment on rotating arm 304
Location hole 310 is offered, the location hole 310 and fine adjustment shaft 309 are located at sustained height, and the location hole 310 and upper installing hole 308
It is connected.Be inserted into location hole 310 by fixing piece such as positioning bolt, and with 309 phase of fine adjustment shaft in upper installing hole 308
Even, fine adjustment shaft 309 is fixed in upper installing hole 308, prevents fine adjustment shaft 309 from rotating in upper installing hole 308.
When being modified due to diamond pen 100, the radius of gyration is definite value, but trimming device has assembly in assembling process and misses
Difference, the revolution highest point for causing diamond pen 100 and 200 centre of gyration of grinding wheel be not in sustained height, in order to guarantee the height of the two
It is identical, the diamond pen 100 in the present embodiment is deviateed into the setting of 309 central axis of fine adjustment shaft, by artificially rotating diamond pen 100,
It is finely adjusted, i.e., the central axis of adjusting diamond pen 100 makes the revolution of diamond pen 100 at a distance from the central axis of shaft 303
Highest point and 200 centre of gyration of grinding wheel are in sustained height, and after regulating, fine adjustment shaft 309 is fixed on upper peace by fixing piece
It fills in hole 308, grinding wheel 200 is modified convenient for trimming device.Fixing piece in the present embodiment can for fixing bolt or
Fixed pin.
Embodiment 4
In conjunction with Fig. 2 and Fig. 3, a kind of grinding wheel interpolation dressing mechanism of the present embodiment, substantially with embodiment 3, difference
Be: the cross section of upper pallet 400 and lower pallet 700 in the present embodiment is designed as U-shaped, is fastened on convenient for upper pallet 400
On lower pallet 700, and longitudinal side rails 600 are mounted on the upper surface on lower pallet 700U shape both sides, and slideway is mounted on pop-up
The corresponding position of plate 400 cooperates convenient for longitudinal side rails 600 and slideway.
As a preference, the diameter of diamond pen 100 is greater than the diameter of fine adjustment shaft 309 in order to prevent in the present embodiment, into
And not can guarantee deviation 309 central axis of fine adjustment shaft of diamond pen 100 and installed, it is set between fine adjustment shaft 309 and diamond pen 100
There are mounting blocks 311, which is fixedly linked with fine adjustment shaft 309, and the other end is fixedly linked with diamond pen 100.It is worth
Illustrate, the mounting blocks 311 in the present embodiment are one flat, and the two sides of mounting blocks 311 are parallel to each other, convenient for auxiliary
Tool such as spanner clamps mounting blocks 311, and then the position of diamond pen 100 is adjusted in rotating spanner.
It is worth noting that the distance that diamond pen 100 in the present embodiment deviates 309 central axis of fine adjustment shaft can be with are as follows:
0.25mm, 0.5mm, 0.75mm, 1mm, 2mm, 3mm, 5mm ..., the purpose of structure design need to only guarantee that diamond pen 100 deviates
The setting of 309 central axis of fine adjustment shaft, fine adjustment shaft 309 rotate, and drive diamond pen 100 to move, so that diamond pen 100 is in rotating arm
Position-adjustable on 304, i.e. adjusting diamond pen 100 is relative to the vertical range between the shaft 303 of servo motor 301.By
Fine adjustment shaft 309 in this present embodiment carries out 360 ° of rotations in upper installing hole 308, so that diamond pen 100 can also carry out 360 °
Rotation, the distance that diamond pen 100 deviates 309 central axis of fine adjustment shaft is bigger, and the range that diamond pen 100 adjusts is bigger, i.e. Buddha's warrior attendant
Pen 100 is bigger relative to the variable of the vertical range between the shaft 303 of servo motor 301.Diamond pen in the present embodiment
The distance between 100 central axis and the central axis of fine adjustment shaft 309 are 1mm.
As shown in Figure 5 and Figure 6, the present embodiment offers lower mounting hole 305 on rotating arm 304, and shaft 303 is inserted into down
In mounting hole 305, rotating arm 304 is vertically fixed in shaft 303.In order to which rotating arm 304 is fixed in shaft 303, this
Embodiment offers keeper 306 along the length direction of rotating arm 304, which is connected with lower mounting hole 305
Logical, the other end is connected with the bottom surface of rotating arm 304, and the thickness of the keeper 306 is identical as the thickness of rotating arm 304；This
Outside, in order to be used cooperatively with the keeper 306, fixation hole is offered in the width direction of rotating arm 304 in the present embodiment
307, which penetrates through rotating arm 304, i.e., fixation hole 307 is arranged along the width direction of rotating arm 304, and the fixation hole
307 are connected with keeper 306.
When shaft 303 is inserted into lower mounting hole 305, by the way that clamping screw to be screwed into fixation hole 307, locking is tightened
Bolt makes the shrinkage in width of keeper 306, drives the aperture of lower mounting hole 305 to reduce, and then rotating arm 304 is tightly fixed
In shaft 303, prevent grinding wheel 200 in dressing process, rolling friction or rotation occur in shaft 303 for rotating arm 304,
It even results in rotating arm 304 to fall off from shaft 303, and then influences finishing of the trimming device to grinding wheel 200.When rotating arm 304
Or the diamond pen 100 on rotating arm 304 can back-out clamping screw, by rotating arm from fixation hole 307 when needing replacing
304 unload from shaft 303, and the operating process is convenient, easily operated.
Embodiment 5
In conjunction with Fig. 2 and Fig. 3, a kind of grinding wheel interpolation dressing mechanism of the present embodiment, substantially with embodiment 4, difference
Be: the cross section of the upper surface of the lower surface and lower pallet 700 of the upper pallet 400 in the present embodiment is designed to U-shaped, and should
Longitudinal side rails 600 are mounted on the vertical side wall in lower pallet 700U shape both sides, and slideway is mounted on upper pallet 400U shape both sides
Corresponding position on vertical side wall, the two are used in conjunction with each other, and are cooperated convenient for longitudinal side rails 600 and slideway.
As a preference, the fit form of longitudinal side rails 600 and slideway in the present embodiment uses stability
Good crossed roller guide rail form, the crossed roller guide rail easily realize that high load capacity moves, and mechanical energy consumption is small, precision is high.The knot
Structure designs when the rotating unit 300 so that even running in moving process of upper pallet 400, on upper pallet 400 works not
It can shift, that is, will not influence the motion profile of diamond pen 100, further ensure what diamond pen 100 modified grinding wheel 200
Accuracy.
The distance between central axis of the central axis of diamond pen 100 and fine adjustment shaft 309 is 2mm in the present embodiment.This
Outside, for the ease of artificially adjusting position of the diamond pen 100 on rotating arm 304, i.e., the revolution highest point of adjustment diamond pen 100 with
200 centre of gyration of grinding wheel is equipped with rotation in the other end that diamond pen 100 is fixedly mounted in fine adjustment shaft 309 in sustained height, the present embodiment
Turn adjustment mechanism, uses rotating handle as rotating and regulating mechanism in the present embodiment, which is fixedly mounted on fine adjustment shaft
On 309 end face, the side where the end face and diamond pen 100 is on the contrary, convenient for by artificially rotating rotating handle adjustment gold
The position of rigid pen 100, it is time saving and energy saving.
It is worth noting that transition fit is used between the fine adjustment shaft 309 in the present embodiment and upper installing hole 308, so that
When modifying to grinding wheel 200, fine adjustment shaft 309 is not easy to rotate in upper installing hole 308 diamond pen 100, and then will not
It influences diamond pen 100 and turns round highest point, be conducive to going on smoothly for production and processing.
Embodiment 6
A kind of grinding wheel interpolation dressing mechanism of the present embodiment, substantially with embodiment 5, the difference is that: the present embodiment
Rotating and regulating mechanism is hexagonal screw hole in one in middle the present embodiment, which is arranged on the end face of fine adjustment shaft 309, should
End face is with the side where diamond pen 100 on the contrary, operator can control fine adjustment shaft 309 by die nut, i.e.,
One end of die nut is inserted into the interior hexagonal screw hole, the other end for rotating die nut drives fine adjustment shaft 309 in upper peace
Fill hole 308 in rotation, and then drive diamond pen 100 rotate, adjust diamond pen 100 revolution highest point, make its in grinding wheel 200
The centre of gyration is in sustained height.
In addition, being equipped with a circle scale in the outside of upper installing hole 308 in the present embodiment, i.e., set on the side of rotating arm 304
There is a circle scale, the scale and rotating and regulating mechanism are located at the same side, and the end where the interior hexagonal screw hole on fine adjustment shaft 309
Face is equipped with arrow, and operator observes arrow, can accurately control 309 turns of fine adjustment shaft by the rotation of control fine adjustment shaft 309
The adjusting height that dynamic amount, i.e. control diamond pen 100 rotate.In addition, the central axis of the diamond pen 100 in the present embodiment with it is micro-
Adjusting the distance between central axis of axis 309 is 3mm.
As shown in connection with fig. 7, using the dressing method of one of the present embodiment grinding wheel interpolation dressing mechanism, the steps include:
A, grinding wheel 200 checks the height of the revolution highest point and 200 centre of gyration of grinding wheel of diamond pen 100 before finishing
It is whether identical, if the two drives the rotation of fine adjustment shaft 309 by rotation rotating and regulating mechanism, i.e., not in sustained height
Position of the diamond pen 100 on rotating arm 304 is adjusted, makes the revolution highest point of diamond pen 100 with 200 centre of gyration of grinding wheel same
One height；
B, according to the concavity of required grinding wheel 200,100 motion profile of diamond pen is determined；It is worth noting that during being somebody's turn to do
Since its convexity of the bearing of needs is a value determined, i.e. the shape of bearing is fixed, since grinding wheel 200 is that bearing is ground
It cuts, and then counter can push away the concavity of grinding wheel 200, i.e., the concavity of grinding wheel 200 is determining, and then determines that diamond pen 100 moves rail
Mark, the motion profile are actually identical as the concavity shape of grinding wheel 200；
It c, is that origin establishes coordinate system according to the rotation center of diamond pen 100 when incision, diamond pen 100 is completed once to modify
Motion profile meet following equation relationship:
X=Rcos θ ± Vt
Y=Rsin θ
Wherein, X indicates that track abscissa, Y indicate that track ordinate, θ indicate that diamond pen 100 rotates and press from both sides between center
Angle；V indicates diamond pen 100 along the movement speed of grinding wheel circumferential direction, and t indicates that the traveling time of diamond pen 100, R indicate diamond pen 100
Radius of turn；+ diamond pen 100 is indicated along 200 axial advancement of grinding wheel ,-expression diamond pen 100 is along after 200 axial direction of grinding wheel
It moves back；
It is worth noting that t is zeroed again after the primary movement of the every completion of diamond pen 100, since new；
D, in conjunction with Fig. 7, the shaft of servo motor 301 is located at o point, starts to start servo motor 301, drives rotating arm 304
On diamond pen 100 swing, diamond pen 100 and 200 contact point of grinding wheel are point of penetration a；The length feed of length feed unit 500
Motor 501 is controlled upper pallet 400 and is axially moved with speed V along grinding wheel 200 on longitudinal side rails 600, that is, is driven in rotation
Diamond pen 100 moved, and then grinding wheel 200 is modified；
E, when diamond pen 100, which is moved to, to be separated with 200 phase of grinding wheel, at this point, diamond pen 100 is with 200 contact point of grinding wheel
Point b ' is cut out, servo motor 301 and length feed motor 501 invert simultaneously, make diamond pen 100 along rotation is longitudinally opposed, make
Diamond pen 100 is swung along original movement trajectory, until diamond pen 100 is moved to point of penetration a；
The motion track of diamond pen 100 may be in above-mentioned steps e: diamond pen 100 is separated with grinding wheel 200 in b ' phase
When, servo motor 301 continues to rotate forward, but length feed motor 501 inverts, so that diamond pen 100 is rotated back to point of penetration a；
F, the movement of diamond pen 100 repeats always step d and step e, and then modifies to grinding wheel 200.By grinding wheel 200
It is trimmed to required concavity.
It is worth noting that a kind of dressing method of double tangent interpolation dressing mechanisms of circle of the present embodiment, in dressing process
Diamond pen 100 is driven to rotate if the thickness of grinding wheel 200 can just meet servo motor 301, i.e., diamond pen 100 can contact
To 200 two edges of grinding wheel, as shown in fig. 7, its original motion profile of diamond pen 100 is the point of penetration a- Buddha's warrior attendant of diamond pen 100
The revolution highest point c- diamond pen 100 of pen 100 cuts out point b.If the thickness of grinding wheel 200 is unable to satisfy 301 band of servo motor
Dynamic diamond pen 100 rotates, i.e., the thickness that the range that diamond pen 100 rotates is less than grinding wheel 200 need to open in entire motion process
Dynamic length feed motor 501, so that the every bit on the original motion profile of diamond pen 100 all translates, such as Buddha's warrior attendant in Fig. 7
The revolution highest point c of pen 100 moves to the revolution highest point c ' of diamond pen 100, and the point b that cuts out of diamond pen 100 moves to Buddha's warrior attendant
The b ' of pen 100, i.e. the actual motion track of diamond pen 100 are the revolution highest point of the point of penetration a- diamond pen 100 of diamond pen 100
C '-diamond pen 100 cuts out point b ', and required concavity is modified out to grinding wheel 200.
In addition, the motion profile of the motion profile of diamond pen 100 can also as shown in figure 8, diamond pen 100 revolution highest point
When c reaches in advance, servo motor 301 is out of service, i.e., length feed motor 501 drives diamond pen 100 to repair grinding wheel 200
It is whole, at this point, the motion profile of diamond pen 100 is a straight line, when diamond pen 100 moves to the revolution highest point c ' of diamond pen 100
When, servo motor 301 brings into operation, and drives diamond pen 100 to modify grinding wheel 200 together with length feed motor 501.I.e.
The motion profile of diamond pen 100 is returning for the revolution highest point c- diamond pen 100 of the point of penetration a- diamond pen 100 of diamond pen 100
Turn highest point c '-diamond pen 100 and cuts out point b '.
It is worth noting that as shown in fig. 7, original motion profile of the diamond pen 100 in the present embodiment may be:
The motion profile of diamond pen 100 is that revolution highest point c '-diamond pen 100 of the point of penetration a- diamond pen 100 of diamond pen 100 is cut
Point b ' out, but actually required motion profile is the revolution highest point c- Buddha's warrior attendant of the point of penetration a- diamond pen 100 of diamond pen 100
Pen 100 cuts out point b, i.e. original motion profile range of diamond pen 100 needs again considerably beyond the thickness of grinding wheel 200
The motion profile of diamond pen 100 is adjusted, in the prior art the general radius of gyration by readjusting diamond pen 100, to repair
Whole required grinding wheel 200, reaches required concavity, and whole operation process is very cumbersome, after needing constantly to carry out verification adjustment
The radius of gyration whether meet the requirements.But one of the present embodiment grinding wheel interpolation dressing mechanism only need to be in entire dressing process
In, control length feed motor 501 moves, so that original motion profile of diamond pen 100 is changed, i.e., original movement
Every bit on track translates, and moves to corresponding every bit on actual motion track, as diamond pen 100 is original in Fig. 7
Revolution highest point c ' move to the actual revolution highest point c of diamond pen 100, the original point b ' that cuts out of diamond pen 100 is moved to
The b of diamond pen 100, to modify out required concavity to grinding wheel 200.
Embodiment 7
A kind of grinding wheel interpolation dressing mechanism of the present embodiment, substantially with embodiment 6, the difference is that: in conjunction with Fig. 9 and
Figure 10, the present embodiment is equipped with traverse feed unit 800 below lower pallet 700, and lower pallet 700 passes through lateral slide rail
900 and the slideway that matches with the lateral slide rail 900 and then be connected with workbench sliding, structure design is convenient for horizontal
Match jointly to feed unit 800 with lateral slide rail 900 and the slideway three matched with the lateral slide rail 900
It closes, controls lower pallet 700 along transverse shifting.Transverse direction in the present embodiment refers to and longitudinal perpendicular direction, i.e. Buddha's warrior attendant
Pen 100 is close to the direction of grinding wheel 200.
The glide direction of lateral slide rail 900 and the glide direction of longitudinal side rails 600 are mutually hung down in the present embodiment
Directly.As shown in Figure 10, lateral slide rail 900 is mounted on the upper surface of workbench in the present embodiment in order to facilitate understanding, with this
The slideway that lateral slide rail 900 matches is mounted on the lower surface of lower pallet 700.
Preferably, the cross section of the upper surface of the lower surface and workbench of the lower pallet 700 in the present embodiment is designed as U
Shape, on the table convenient for the engaging of lower pallet 700, the upper surface of two vertical edges of workbench U-shaped is arranged in lateral slide rail 900
On, slideway is mounted on the corresponding position of 700 lower surface of lower pallet, cooperates convenient for lateral slide rail 900 and slideway.
Traverse feed unit 800 in the present embodiment includes traverse feed motor 801, the second ball screw 802 and second
Screw pair 803, wherein traverse feed motor 801 is connected with the second ball screw 802 by shaft coupling；Second screw pair 803 is set
It sets on the second ball screw 802, and is fixedly linked with lower pallet 700, guarantee that traverse feed motor 801 drives lower pallet 700
It is mobile.The second ball screw 802 in the present embodiment is mutually perpendicular to the first ball screw 502.
Continuous finishing due to diamond pen 100 to grinding wheel 200, the diameter of grinding wheel 200 is also constantly changing, if diamond pen
Positional relationship between 100 and grinding wheel 200 fails timely to make adjustment, and the concavity of grinding wheel 200 can change, so that subsequent
Raceway convexity can change, influence the quality of bearing, in order to prevent the generation of this problem, the cross in the present embodiment
All devices on lower pallet 700 are driven to be moved into 800 course of work of feed unit, when the abrasion of grinding wheel 200, radius
When being gradually reduced, traverse feed motor 801 in traverse feed unit 800 starts, make all devices on lower pallet 700 towards
200 direction of grinding wheel is moved, i.e. control diamond pen 100 is moved towards 200 direction of grinding wheel, guarantees to modify on grinding wheel 200
Concavity, and then guarantee bearing convexity size.So that entire trimming device realizes the grinding of side trim edges, i.e., diamond pen 100 is right
Grinding wheel 200 is ground bearing while grinding wheel 200 is modified, and improves the working efficiency of entire trimming device.
It is worth noting that the traverse feed unit 800 and 500 the two of length feed unit in the present embodiment are in finishing
The position of rotating unit (300) is adjusted in preceding common cooperation, specifically, horizontal before trimming device modifies grinding wheel 200
The position that upper pallet (400), lower pallet (700) are adjusted to feed unit 800 and length feed unit 500, so that rotating unit
(300) shaft 303 is moved to specific position, i.e., as shown in fig. 7, o point in figure, convenient for the starting adjustment of subsequent servo motor 301
The position of diamond pen 100 makes diamond pen 100 be moved to a point.
By being equipped with servo motor 301, length feed unit 500 and traverse feed unit 800, three cooperates jointly and makes
With on the one hand capable of being ground out different concavity on grinding wheel 200, meet the requirement of different raceway convexitys；Another party
Face, in the bearing that need to be processed into same convexity, servo motor 301, length feed unit 500 and traverse feed unit 800 3
Person is used cooperatively jointly, so that diamond pen 100 is in the entire dressing process of grinding wheel 200, the concavity of grinding wheel 200 always one
It causes, so that the yield rate of subsequent bearing greatly improves, meets the high quality requirement of modern bearing.
Embodiment 8
A kind of grinding wheel interpolation dressing mechanism of the present embodiment, substantially with embodiment 7, the difference is that:
Lateral slide rail 900 in the present embodiment is installed on the workbench on the vertical side wall in surface U-shaped both sides, with this
The slideway that lateral slide rail 900 cooperates is mounted on the corresponding position on the vertical side wall in 700 lower surface U-shaped both sides of lower pallet,
The two is used in conjunction with each other, and is cooperated convenient for lateral slide rail 900 and slideway.
In addition, further, the fit form of lateral slide rail 900 and slideway in the present embodiment uses stability
The good crossed roller guide rail form of energy, the crossed roller guide rail easily realize that high load capacity moves, and mechanical energy consumption is small, precision is high.It should
Structure design and longitudinal side rails 600 and the slideway common guarantee matched with the longitudinal side rails 600 diamond pen
To grinding wheel 200 dressing process stationarity so that the concavity for modifying out grinding wheel 200 obtains effective guarantee.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (10)
1. a kind of dressing method of grinding wheel interpolation dressing mechanism, which is characterized in that carried out using a kind of grinding wheel interpolation dressing mechanism
Finishing, the steps include:
A, the revolution highest point for adjusting diamond pen (100) is identical as the height of grinding wheel (200) centre of gyration；
B, according to the concavity of required grinding wheel (200), diamond pen (100) motion profile is determined；
It c, is that origin establishes coordinate system according to the rotation center of diamond pen (100) when incision, diamond pen (100) motion profile meets
Following equation relationship:
X=Rcos θ ± Vt
Y=Rsin θ
Wherein, X indicates that track abscissa, Y indicate that track ordinate, θ indicate that diamond pen (100) rotate and press from both sides between center
Angle；V indicates diamond pen (100) along the movement speed of grinding wheel (200) axial direction, and t indicates that the traveling time of diamond pen (100), R indicate
The radius of turn of diamond pen (100)；
D, servo motor (301) drive diamond pen (100) movement, while length feed unit (500) drive diamond pen (100) with
Speed V is axially moved along grinding wheel (200), is modified to grinding wheel (200).
2. a kind of dressing method of grinding wheel interpolation dressing mechanism according to claim 1, it is characterised in that: described one kind
Grinding wheel interpolation dressing mechanism include diamond pen (100), rotating unit (300), upper pallet (400), length feed unit (500) and
Lower pallet (700), the diamond pen (100) are mounted on the rotating arm (304) of rotating unit (300), the rotating arm (304)
It is connected with the servo motor (301) of rotating unit (300), and then passes through servo motor (301) driving diamond pen (100) rotation pair
Grinding wheel (200) to be processed is modified；The rotating unit (300) is fixedly mounted on upper pallet (400), the upper pallet
(400) it is slidably connected with lower pallet (700), glide direction is vertical with diamond pen (100)；The length feed unit (500)
It is mounted on lower pallet (700), for driving upper pallet (400) to move.
3. a kind of dressing method of grinding wheel interpolation dressing mechanism according to claim 2, it is characterised in that: the lower pallet
(700) it is equipped on longitudinal side rails (600), the upper pallet is provided with slideway on (400), the slideway and longitudinal sliding motion
Guide rail (600) cooperation.
4. a kind of dressing method of grinding wheel interpolation dressing mechanism according to claim 2 or 3, it is characterised in that: described
It offers upper installing hole (308), is equipped in the upper installing hole (308) fine adjustment shaft (309) on rotating arm (304), it is described
Diamond pen (100) is mounted on fine adjustment shaft (309).
5. a kind of dressing method of grinding wheel interpolation dressing mechanism according to claim 4, it is characterised in that: the diamond pen
(100) deviate the setting of fine adjustment shaft (309) central axis, and the fine adjustment shaft (309) being capable of the rotation in upper installing hole (308).
6. a kind of dressing method of grinding wheel interpolation dressing mechanism according to claim 5, it is characterised in that: the fine adjustment shaft
(309) rotating and regulating mechanism is installed on, the rotating and regulating mechanism is rotated and drives fine adjustment shaft (309) in upper installing hole (308)
Interior rotation.
7. a kind of dressing method of grinding wheel interpolation dressing mechanism according to claim 4, it is characterised in that: the fine adjustment shaft
(309) it can be rotated relative to upper installing hole (308), be equipped with mounting blocks (311) between fine adjustment shaft (309) and diamond pen (100),
Diamond pen (100) is fixedly mounted on the mounting blocks (311), and diamond pen (100) deviates fine adjustment shaft (309) central axis and sets
It sets.
8. a kind of dressing method of grinding wheel interpolation dressing mechanism according to claim 6 or 7, it is characterised in that: the rotation
Location hole (310) are offered on the side of pivoted arm (304), which is connected with upper installing hole (308), by solid
Determine part to be inserted into location hole (310), position and lock is carried out to fine adjustment shaft (309).
9. a kind of dressing method of grinding wheel interpolation dressing mechanism according to claim 2, it is characterised in that: the pop-up
Plate (400) upper surface is equipped with fixed block (401), which is symmetrically distributed in servo motor (301) two sides, by solid
Determine horizontally disposed fixing bolt (402) locking servo motor (301) on block (401).
10. a kind of dressing method of grinding wheel interpolation dressing mechanism according to claim 1, it is characterised in that: the rotation
Arm (304) circular-rotation or reciprocally swinging driving diamond pen (100) movement.
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| JPH1148141A (en) * | 1997-08-06 | 1999-02-23 | Tokyo Seimitsu Co Ltd | Dressing device of slicing machine |
| JP2002011657A (en) * | 2000-06-27 | 2002-01-15 | Honda Motor Co Ltd | Precise dressing device for grinding machine grinding wheel |
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|---|---|
| CN109877706B (en) | 2020-07-03 |
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