CN108890403A - Magnetically grinding disk, device and method for the finishing of cylindrical roller rolling surface - Google Patents

Abstract

The invention discloses a kind of milling apparatus that the cylindrical roller rolling surface for ferromagnetism material finishes and magnetically grinding disk external members.Milling apparatus includes host, magnetically grinding disk external member and roller circulation disk external system.Host includes pedestal, column, crossbeam, slide unit, top tray, lower tray, axial loading device and main shaft device.It includes roller collection device, roller demagnetizer, roller transportation system, roller dressing mechanism and roller feed mechanism that roller, which recycles disk external system,.Magnetically grinding disk external member includes the first and second abrasive disks a pair of coaxial and that front is positioned opposite.The front of first abrasive disk includes one group of straight-line groove for being radially distributed in the first abrasive disk basal plane (the positive round conical surface), the front of second abrasive disk is the working face (the positive round conical surface) of the second abrasive disk, and the second abrasive disk intrinsic silicon is embedded with ring-shaped magnetic structure.Milling apparatus of the present invention has the finishing ability of the cylindrical roller rolling surface of high-volume ferromagnetism material.

Description

Magnetically grinding disk, device and method for the finishing of cylindrical roller rolling surface

Technical field

The present invention relates to a kind of cylindrical rollers for being used for ferromagnetism material (such as GCr15, G20CrNi2MoA, Cr4Mo4V) Magnetically grinding disk external member, milling apparatus and the grinding method of rolling surface finishing, belong to bearing roller precision processing technology Field.

Background technique

Cylinder roller bearing is widely used in all kinds of rotating machineries.Cylinder as one of cylinder roller bearing important part Roller, the form accuracy and dimensional uniformity of rolling surface have great influence to the performance of bearing.At this stage, well known circle The processing process on column roller rolls surface is:Blank forms (turning or cold-heading or rolling), (buffing rolls table for roughing Face), heat treatment, semifinishing (hard grind rolling surface) and finishing.Well known cylindrical roller rolling surface finishes main Process is microstoning.

Microstoning is a kind of using microstone as grinding tool, and oilstone applies lower pressure to workpiece machining surface And make of reciprocating vibration a little and low speed feed motion at a high speed along workpiece machining surface, to realize the skin processing side of micro cutting Method.Currently, the finishing of cylindrical roller rolling surface, which mostly uses, is not in the mood for penetration type superfine processing method.The processing part of its equipment It is made of a pair of incorgruous tilting superfinishing deflector roll and one (or one group) the superfinishing head equipped with oilstone, cylindrical roller is by guide rolls support And drive, the track being adapted again along one with cylindrical roller rolling surface element line while rotating is made low speed feeding and is transported Dynamic, oilstone is along cylindrical roller rolling surface while oilstone is pressed to cylindrical roller rolling surface with lower pressure by superfinishing head Plain line makees the rolling surface implementation finishing that high speed is of reciprocating vibration a little, to cylindrical roller.It is superfinished not being in the mood for penetration type Cheng Zhong is sequentially passed through with a batch of cylindrical roller and is passed through machining area and be subjected to Oilstone super-finishing processing.

In addition there are one kind not to be in the mood for cut-in type superfine processing method, and the processing part of equipment is by the super of a pair of parallel arrangement Smart deflector roll and one (or one group) the superfinishing head equipped with oilstone form, and cylindrical roller makees rotation fortune under the support and driving of deflector roll It is dynamic, along one and cylindrical roller rolling surface element while oilstone is pressed to cylindrical roller rolling surface with lower pressure by superfinishing head Low speed feed motion is made in the adaptable track of line and high speed is of reciprocating vibration a little, implements finishing to the rolling surface of cylindrical roller Work.In not being in the mood for cut-in type superfinishing process, machining area is serially entered with a batch of cylindrical roller and to be subjected to oilstone super Finishing.

There are following two aspects technological deficiencies for above two cylindrical roller rolling surface superfine processing method：On the one hand, add Oilstone and deflector roll state of wear, which change with time, during work is unfavorable for cylindrical roller rolling surface form accuracy and size essence The raising of degree；On the other hand, since microstoning equipment synchronization only adds single (or a few) cylindrical roller Work is processed the material removal amount of cylindrical roller rolling surface hardly by same batch cylindrical roller rolling surface diameter difference It influences, therefore is difficult to be effectively improved processed cylindrical roller rolling surface with microstoning equipment processing cylindrical roller rolling surface Diameter dispersibility.Above-mentioned both sides technological deficiency leads to the form accuracy and size one that are processed cylindrical roller rolling surface Cause property is promoted and is restricted.

At this stage, the device (equipment) and method for being related to the finishing of cylindrical roller rolling surface further include following several：

Chinese patent publication, publication No. CN102476350A：Disclose a kind of cylindrical roller outer diameter centreless grinding processing dress It sets, including small one and large one cast iron mixing roll of two radiuses, there is interval between mixing roll, interval top is equipped with chute feeder, send It is provided with top board above hopper, adds pressurization weight above top board, the contact surface of top board and roller is arc-shaped.Two The linear velocity of mixing roll is different, so that producing relative sliding between cylindrical roller and mixing roll.Adjust small mixing roll vertical and The angle of horizontal direction can drive roller to feed in the axial direction.Mixing roll is while driving cylindrical roller, also to roller table Face carries out attrition process.

Chinese patent publication, publication No. CN204736036U：It discloses a kind of for the grinding of precision cylindrical roller periphery Processing unit (plant).It is characterized in that：Processing unit (plant) includes cylinder, support frame, grinding tool bottom plate, grinding tool, driven roller and pedestal, and two Driven roller is parallel with the ymmetry center plane of processing unit (plant), and the left side end of a driven roller upwarps and horizontal plane phase in vertical guide 1~5 ° is handed over into, the right end of another driven roller has a downwarp in vertical guide intersects 1~5 ° with horizontal plane；Two driving roller surfaces Coated with damping coatings to increase coefficient of friction.Grinding tool is fixed on grinding tool bottom plate, applies tonnage, cylinder peace by cylinder On the support frame, support frame and driven roller are mounted on the base dress.Cylindrical roller is placed in driven roller one end, two drives when processing The tangential force that dynamic roller generates makes cylindrical roller around center axis rotation, the axial force of generation make cylindrical roller along central axis run through into It gives, grinding tool processes roller periphery.

Above two device is all made of two driven rollers and supports and cylindrical roller is driven to advance, and hangs down with cylindrical roller direction of advance Straight top is equipped with grinding tool and processes to cylindrical roller periphery, and when processing, all cylindrical rollers passed sequentially through processing district Domain.Such device has two aspect technological deficiency identical with microstoning equipment.

Chinese patent publication, publication No. CN104608046A：A kind of bearing roller cylindrical surface ultraprecise is disclosed to add Work method, it is characterised in that：Cylindrical roller to be processed is carried out using biplane type cylindrical part external cylindrical ultra-precision process equipment Grinding；Used biplane type cylindrical part external cylindrical ultra-precision process equipment includes：Top lap, lower abrasive disk, outer gear ring, Eccentric wheel and retainer, wherein the shaft of top lap, lower abrasive disk, outer gear ring and eccentric wheel is placed with one heart, respectively independent Driving；Multiple piece-holder slots are provided in the disk of disc retainer, slot radially distributes；The rotary shaft of retainer It is arranged concentrically with the center of eccentric wheel, and there are offset distances for the center of retainer and the axle center of eccentric wheel；Retainer and outer gear ring Gear cooperation, retainer are driven simultaneously by outer gear ring and eccentric wheel.Cylindrical roller is placed in the slot of retainer before grinding, it is right Top lap applies lower pressure；Workpiece is located between top lap and lower abrasive disk, and contacts with upper and lower abrasive disk；In driving Abrasive disk, lower abrasive disk, outer gear ring and eccentric wheel rotation, while workpiece makees rolling movement under the driving of upper and lower abrasive disk, Also make cycloid motion around top lap and lower abrasive disk under the driving of retainer.

Chinese patent publication, publication No. CN103522166A：It discloses a kind of based on upper disk partially auxobaric cylindrical zero Part Excircle machining method, it is characterised in that：The processing unit (plant) of the processing method includes top lap, retainer and lower abrasive disk. Top lap is located at the top of lower abrasive disk, and retainer is located between top lap and lower abrasive disk, and the shaft of retainer is under The shaft of abrasive disk is arranged coaxially, and the shaft of top lap and the shaft of retainer have determining offset distance.When processing, load dress It sets through top lap wobbler action in cylindrical component, cooperates abrasive material to cylinder by top lap and lower abrasive disc Part outer circle is processed.

Chinese patent publication, publication No. CN105798765A：Disclose a kind of four cylindrical roller grinding sides of flatness and reciprocator Method and device, it is characterised in that：The mounting rack that rotation is driven by power source is equipped in rack, if mounting rack peripheral outer wall is equipped with Do the mounting groove for installing cylindrical roller；The abrasive sheet being slidably matched with cylindrical roller is correspondingly provided in rack with mounting rack. Cylindrical roller is mounted on mounting rack when use, by rotational installation frame to multiple cylindrical rollers in abrasive sheet simultaneously It is ground.

Three kinds of above-mentioned devices (equipment) can simultaneously process multiple cylindrical components, the cylinder being relatively large in diameter Part periphery material removal amount is larger, is conducive to the raising of dimensional uniformity.But due to its processing unit (plant) (equipment) Closed characteristic, such device (equipment) do not have mass production ability.

Chinese patent publication, publication No. CN104493689A and CN104493684A：It is double to disclose a kind of cylindrical component Disk straight trough abrasive disk, milling apparatus and grinding method, the equipment include workpiece propulsion device, work transfer device and abrasive disk Device.The grinding disc device includes the first, second abrasive disk, and two abrasive disks relatively rotate, and the working face of the first abrasive disk is Plane, the second abrasive disk surface opposite with the first abrasive disk are equipped with one group of radial straight flute, the two sides of straight flute Cross-sectional outling for the working face of the second abrasive disk, the working face of the second abrasive disk be arc-shaped V-shaped or have circular arc V-shaped, the contact point of the workpiece to be added and straight flute or contact circular arc midpoint normal plane and the straight flute The value range of the angle of datum level is 30~60 °；Center one end of nearly second abrasive disk of the straight flute is to promote mouth, institute The other end for stating straight flute is discharge port, and the workpiece propulsion device is arranged in the second abrasive disk central through hole, including main body And the multiple pushers and stock chest installed thereon.Under the pressure and grinding lubricating condition of attrition process, the first abrasive disk Working face material and workpiece material to be added between coefficient of friction be greater than the second abrasive disk working face material and workpiece to be added Coefficient of friction between material realizes spin to guarantee workpiece to be added in attrition process.

When grinding cylindrical roller periphery using the equipment, on the one hand, cylindrical roller can have in abrasive disk inner-outer circulation The standby ability produced in enormous quantities；On the other hand, in attrition process region, which can be simultaneously compared a large amount of cylindrical rollers Formula processing is realized and is removed to the periphery material for the cylindrical roller being relatively large in diameter more, is conducive to cylindrical roller periphery ruler The raising of very little consistency.

But it for existing double plate straight trough abrasive disk, is restricted by the second abrasive disk central through hole diameter, is ground second Settable straight flute negligible amounts on mill.Improvement project：First abrasive disk working face be circular conical surface, the second abrasive disk with The opposite disk of first abrasive disk working face (circular conical surface) is equipped with one group of radial straight flute.On the one hand, in the second grinding It, can be logical to increase center by adjusting the cone-apex angle of the first abrasive disk circular conical surface under conditions of dish external diameter and straight flute slot length are certain The diameter in hole, to increase the straight flute slot number on the second abrasive disk.With the increase of straight flute slot number on the second abrasive disk, together When participate in attrition process cylindrical roller number increase, it will help improve cylindrical roller periphery lapping efficiency and ruler Very little consistency.On the other hand, compared with flat tool, circular conical surface abrasive disk has self-centering advantage, is more conducive to cylinder The raising of roller periphery dimensional uniformity.

Further, guarantee workpiece to be added realized in attrition process spin condition " attrition process pressure and grind Under tribology sliding condition, the coefficient of friction between the working face material and workpiece material to be added of the first abrasive disk is greater than the second abrasive disk Working face material and workpiece material to be added between coefficient of friction ", realize more difficult, Ji Nengman in actual grinding processing This friction system condition of foot but also with the first abrasive disk and the second abrasive disk working face material of good grinding performance pairing compared with Hardly possible selection.Improvement project：Magnetic texure is set in the inside of the first abrasive disk, to be formed about magnetic in the first abrasive disk working face ?.By adjusting the magnetic field strength of the magnetic texure, it is processed the first abrasive disk working face to ferromagnetism material Cylindrical roller generates sufficiently strong magnetic attraction, so that processed circle of the first abrasive disk working face to the ferromagnetism material Column roller rotates generated sliding friction driving moment around own axes and is greater than the second abrasive disk working face to the ferromagnetism The processed cylindrical roller own axes of material rotate generated sliding-frictional resistance square, to drive the ferromagnetism material Processed cylindrical roller around own axes continuous rotation.

Summary of the invention

In view of the problems of the existing technology, the present invention provide it is a kind of for ferromagnetism material (such as GCr15, G20CrNi2MoA, Cr4Mo4V etc.) the finishing of cylindrical roller rolling surface magnetically grinding disk external member, milling apparatus and grind There is the cylindrical roller of high-volume ferromagnetism material to roll for mill method, the milling apparatus for being equipped with magnetically grinding disk external member of the present invention The finishing ability on surface is relatively large in diameter, it can be achieved that cylindrical roller rolling surface high point material removes more, low spot material removes less Cylindrical roller rolling surface material remove more, the material of the lesser cylindrical roller rolling surface of diameter removes less, so as to The form accuracy and dimensional uniformity for improving the cylindrical roller rolling surface of ferromagnetism material, can be improved the circle of ferromagnetism material The processing efficiency on column roller rolls surface reduces processing cost.

In order to solve the above-mentioned technical problem, a kind of cylindrical roller rolling surface for ferromagnetism material proposed by the present invention The magnetically grinding disk external member of finishing, the first abrasive disk and the second abrasive disk including a pair coaxially, first abrasive disk Front and the front of the second abrasive disk are positioned opposite；

The front of first abrasive disk includes the straight-line groove of one group of radial distribution two straight lines adjacent with connecting The transition face of groove；The rolling surface when surface of the straight-line groove includes attrition process with processed cylindrical roller connects The working face of touching and the non-working surface not being in contact with processed cylindrical roller rolling surface；The working face of the straight-line groove On a scanning surface, the scanning surface is cross-section scanning surface；The scan path of the scanning surface is straight line, the scanning surface Bus (i.e. scanning profile) is in the normal section of the straight-line groove；In the normal section of the straight-line groove, the scanning surface Cross section profile be the radius of curvature circular arc equal with the radius of curvature of processed cylindrical roller rolling surface；The scanning surface The excessively described cross section profile of scan path the center of curvature, the scan path (straight line) be the straight-line groove baseline；Institute There is the baseline profile of the straight-line groove on a positive round conical surface, the positive round conical surface is the basal plane of first abrasive disk, institute The axis for stating basal plane is the axis of first abrasive disk, and the cone-apex angle of the basal plane is 2 α；

The baseline of the straight-line groove in the shaft section of first abrasive disk, comprising the straight-line groove baseline One abrasive disk shaft section is the central plane of the straight-line groove working face；When attrition process, it is processed the axis of cylindrical roller In the central plane of the straight-line groove working face, it is processed cylindrical roller rolling surface and the straight-line groove working face is sent out Dough contact is processed the baseline that cylindrical roller axis coincides with the straight-line groove；

The front of second abrasive disk is the working face of a positive round conical surface and the second abrasive disk, the working face Axis is the axis of second abrasive disk, and the cone-apex angle of the working face is 2 β, and+2 β=360 ° 2 α；

When 2 α=2 β=180 °, the axis of first abrasive disk is perpendicular to the first abrasive disk basal plane, and described The axis of two abrasive disks removes the baseline of the straight-line groove in first grinding perpendicular to the second abrasive disk working face There is also the baseline of the straight-line groove not situations in the shaft section of first abrasive disk except in the shaft section of disk；When When the baseline of the straight-line groove is not in the shaft section of first abrasive disk, the central plane of the straight-line groove working face It is parallel to the axis of first abrasive disk；

The matrix of second abrasive disk is manufactured by permeability magnetic material, and the inside of the matrix of second abrasive disk is embedded with ring Shape magnetic texure is formed with the plain line direction near the working face of second abrasive disk along the second abrasive disk working face Magnetic field；It is embedded with that one group of annulus is band-like or spiral shape non-magnet material, on the working face of second abrasive disk to increase Magnetic resistance of the second abrasive disk working face along the plain line direction of the second abrasive disk working face；The matrix of second abrasive disk The permeability magnetic material and annulus of insertion is band-like or the non-magnet material of spiral shape is closely coupled and collectively constituted described second grinds The working face of mill.

Further, the entrance of each straight-line groove of the first abrasive disk is respectively positioned on the outer rim of first abrasive disk, institute The outlet for stating each straight-line groove of the first abrasive disk is respectively positioned on the inner edge of first abrasive disk；Or first abrasive disk is each straight The entrance of line trenches is respectively positioned on the inner edge of first abrasive disk, and the outlet of each straight-line groove of the first abrasive disk is respectively positioned on institute State the outer rim of the first abrasive disk.

When attrition process, under the constraint of the working face of the first abrasive disk straight-line groove, the processed cylinder rolling The rolling surface of son occurs line with the second abrasive disk working face and contacts (tangent)；The processed cylindrical roller only have around The rotary motion freedom degree of own axes and translational motion freedom degree along the straight-line groove baseline.

When attrition process, it is covered with processed cylinder along the straight-line groove baseline in each straight-line groove of the first abrasive disk Roller.Definition：Region made of the working face of the first abrasive disk straight-line groove and the second abrasive disk working face surround For attrition process region H.

The grinding for proposing a kind of cylindrical roller rolling surface finishing for ferromagnetism material in the present invention simultaneously is set It is standby, including the magnetically grinding disk external member in host, roller circulation disk external system and the present invention；

The host includes pedestal, column, crossbeam, slide unit, top tray, lower tray, axial loading device and main shaft device；

The pedestal, column and crossbeam form the frame of the host；Wherein, column acts also as what slide unit moved up and down Guiding role.

First abrasive disk of the magnetically grinding disk external member is connect with the lower tray, and the of the magnetically grinding disk external member Two abrasive disks are connect with the top tray；

The main shaft device is mounted on the slide unit, passes through the second grinding described in the pop-up dish driving connected to it Coil the revolution of its axis；The lower tray is mounted on the pedestal；

The slide unit is connect by the axial loading device with the crossbeam；The column is also used as guiding parts Axis for the slide unit along second abrasive disk for linear motion provides guiding role；The slide unit is described axially loaded Under the driving of device, under the constraint of the column or other guiding parts, together with main shaft device and main shaft dress thereon The second abrasive disk setting the top tray of connection and connecting with the top tray makees straight line fortune along the axis of second abrasive disk It is dynamic；

Roller circulation disk external system includes that roller collection device, roller demagnetizer, roller transportation system, roller are whole Manage mechanism and roller feed mechanism；

The exit of each straight-line groove of the first abrasive disk is arranged in the roller collection device, for collecting from described Leave the processed cylindrical roller of attrition process region H in the outlet of each straight-line groove；

The roller transportation system is used to processed cylindrical roller being delivered to the rolling from the roller collection device At sub- feed mechanism；

Each straight-line groove of first abrasive disk is each equipped with a roller feed mechanism, and the roller is sent into machine Structure is separately mounted to the inlet of each straight-line groove of the first abrasive disk, described in entering the push of processed cylindrical roller The entrance of each straight-line groove of first abrasive disk, and move and mention along the straight-line feed of each straight-line groove baseline for processed cylindrical roller Arch thrust；

The front end of the roller feed mechanism is arranged in the roller dressing mechanism, for by the axis of processed cylindrical roller Line is adjusted to direction required by the roller feed mechanism；

When attrition process, cylindrical roller is processed from the entrance of the first abrasive disk straight-line groove and enters attrition process area Domain H leaves attrition process region H from the outlet of the first abrasive disk straight-line groove, then from the first abrasive disk straight line ditch The outlet of slot, sequentially via the roller collection device, roller transportation system, roller dressing mechanism and roller feed mechanism, into Enter the entrance of the first abrasive disk straight-line groove, is formed and be processed cylindrical roller between the first abrasive disk and the second abrasive disk Along the straight-line feed and the circulation of collection, conveying, arrangement, feeding via roller circulation disk external system of straight-line groove baseline；Institute State the path that circulates in except the magnetically grinding disk external member be from the outlet of the first abrasive disk straight-line groove, sequentially via The roller collection device, roller transportation system, roller dressing mechanism and roller feed mechanism are straight into first abrasive disk The entrance of line trenches, defining the path is that roller recycles disk outer pathway；

The roller demagnetizer is arranged in the roller transportation system in roller circulation disk outer pathway or roller is defeated It send and is used for before system to by the quilt of the magnetized ferromagnetism material in the magnetic field of the ring-shaped magnetic structure of the second abrasive disk intrinsic silicon Process cylindrical roller demagnetization；

When attrition process, second abrasive disk is turned round around its axis；Second abrasive disk is along its axis to described One abrasive disk approach, and work pressure is applied to the processed cylindrical roller being distributed in each straight-line groove of the first abrasive disk Power.

Further, when attrition process, by adjusting the magnetic field strength of the ring-shaped magnetic structure, so that described second grinds Mill working face rotates generated sliding friction driving around own axes to the processed cylindrical roller of the ferromagnetism material Torque be greater than the first abrasive disk straight-line groove working face to the processed cylindrical roller of the ferromagnetism material around itself Axis rotates generated sliding-frictional resistance square, to drive the processed cylindrical roller of the ferromagnetism material around itself axis Line continuous rotation.

A kind of cylindrical roller rolling that ferromagnetism material is carried out using milling apparatus of the present invention is proposed in the present invention simultaneously The grinding method of surface finish work, grinding method include the following steps：

Step 1: the second abrasive disk is approached along its axis to the first abrasive disk, until the work of the first abrasive disk straight-line groove Make the space of each attrition process region H made of face is surrounded with the second abrasive disk working face along straight-line groove base direction energy It is enough and when can only accommodate the processed cylindrical roller of a queue until；

Step 2: the second abrasive disk is turned round around its axis relative to the first abrasive disk with 1~10rpm low speed；

Step 3: starting roller demagnetizer, roller transportation system, roller dressing mechanism and roller feed mechanism；Adjustment The conveying speed of roller transportation system and the arrangement speed of roller dressing mechanism are allowed to the feed rate phase with roller feed mechanism Matching makes processed cylindrical roller via roller transportation system and roller dressing mechanism, source under the action of roller feed mechanism Source constantly enters attrition process region H from the entrance of each straight-line groove of the first abrasive disk, and the baseline along straight-line groove makees straight line Feed motion extends through straight-line groove, and leaves attrition process region H from the outlet of each straight-line groove of the first abrasive disk；From The processed cylindrical roller of attrition process region H is opened via roller collection device, roller demagnetizer, roller transportation system and rolling Sub- dressing mechanism, original order be disturbed after again under the action of roller feed mechanism from each straight-line groove of the first abrasive disk Entrance sequentially enter attrition process region H, thus establish be processed cylindrical roller the first abrasive disk and the second abrasive disk it Between along straight-line groove baseline straight-line feed with via roller circulation disk external system collection, conveying, arrangement, feeding circulation；

Step 4: work rotational speed of the rotational speed of the second abrasive disk of adjustment to 15~60rpm, adjustment roller are sent into The feed rate of mechanism to work feed rate is allowed to match with the work rotational speed of the second abrasive disk, adjustment roller conveying The conveying speed of system and the arrangement speed of roller dressing mechanism, so that roller collects dress in above-mentioned roller circulation disk external system It sets, the matching of the storage of the processed cylindrical roller of roller transportation system, roller dressing mechanism and roller feed mechanism everywhere, circulation It is smooth orderly；

Step 5: filling lapping liquid to attrition process region H；

Step 6: the ring-shaped magnetic structure of the second abrasive disk intrinsic silicon enters working condition；Second abrasive disk is along its axis Line is further approached to the first abrasive disk, so that the processed cylindrical roller rolling surface in the H of attrition process region is respectively with The working face of one abrasive disk straight-line groove occurs face contact and contacts with the second abrasive disk working face generation line, and grinds to being distributed in The initialization pressure that cylindrical roller applies 0.5~2N is processed each of in mill machining area H；Adjust cyclic annular magnetic texure Magnetic field strength, so that produced by the second abrasive disk working face rotates the processed cylindrical roller of ferromagnetism material around own axes Sliding friction driving moment be greater than the working face of the first abrasive disk straight-line groove to the processed cylindrical roller of ferromagnetism material Generated sliding-frictional resistance square is rotated around own axes, to drive the processed cylindrical roller of ferromagnetism material around itself Axis makees continuous rotation movement；At the same time, cylindrical roller is processed under the action of roller feed mechanism along the first abrasive disk The baseline of straight-line groove makees straight-line feed movement；Cylindrical roller rolling surface is processed to start to be subjected to the first abrasive disk straight-line groove Working face and the second abrasive disk working face attrition process；

Step 7: with attrition process process stable operation, circle is processed to each of being distributed in the H of attrition process region Column roller gradually increases the service pressure of operating pressure to 2~50N；Be processed cylindrical roller keep step 6 with first The contact relation of the working face of abrasive disk straight-line groove and the second abrasive disk working face, around own axes continuous rotation movement with And moved along the straight-line feed of straight-line groove baseline, rolling surface continue on through by the first abrasive disk straight-line groove working face and The attrition process of second abrasive disk working face；

Step 8: being inspected by random samples after attrition process after a period of time to processed cylindrical roller；When the quilt inspected by random samples When technical requirements have not yet been reached in surface quality, form accuracy and the dimensional uniformity of processing cylindrical roller rolling surface, continue this The attrition process of step；When the surface quality for the processed cylindrical roller rolling surface inspected by random samples, form accuracy are consistent with size When property reaches technical requirements, nine are entered step；

Step 9: being gradually reduced operating pressure and finally to zero；Stop roller feed mechanism, roller transportation system and roller Dressing mechanism operation adjusts the revolving speed of the second abrasive disk to zero；Ring-shaped magnetic structure switches to off working state, stops roller and moves back Magnetic device operation；Stop filling lapping liquid to attrition process region H；Second abrasive disk is axially withdrawn to arrive off-position.

First abrasive disk and the second abrasive disk for the first time before use, using identical geometric parameter ferromagnetism material Cylindrical roller is processed to merge the working face of the first abrasive disk straight-line groove and the second abrasive disk working face；Adjustment Method is identical as the grinding method of processed cylindrical roller；For step 8, the processed cylindrical roller for participating in adjustment is carried out Sampling observation, when surface quality, form accuracy and the dimensional uniformity of the processed cylindrical roller rolling surface inspected by random samples reach technology It is required that when, the period of adjustment enters step nine；Otherwise, continue step 8.

Compared with prior art, the beneficial effects of the invention are as follows：

During attrition process, surrounded in working face and the second abrasive disk working face of the first abrasive disk straight-line groove Each attrition process region H in, be processed the work with the first abrasive disk straight-line groove respectively of cylindrical roller rolling surface Face occurs face contact and contacts with the second abrasive disk working face generation line, is added under the friction-driven of the second abrasive disk working face Work cylindrical roller is rotated around own axes, and the working face for being processed cylindrical roller rolling surface and the first abrasive disk straight-line groove is sent out Raw opposite sliding, to realize the attrition process to processed cylindrical roller rolling surface.The material removal and rolling of rolling surface Dynamic surface is directly related with the contact stress of straight-line groove working face, when larger-diameter processed cylindrical roller rolling surface or When being processed the high point and straight-line groove work face contact of cylindrical roller rolling surface, rolling surface and straight-line groove working face Contact stress is larger, and the material removal amount of the rolling surface of contact position is larger；When the processed cylindrical roller of small diameter rolls When the low spot of surface or processed cylindrical roller rolling surface and straight-line groove work face contact, rolling surface and straight-line groove work The contact stress for making face is smaller, and the material removal amount of the rolling surface of contact position is smaller.To realize cylindrical roller rolling table Face high point material removes more, low spot material removes less, the material of the cylindrical roller rolling surface being relatively large in diameter removes more, diameter compared with The material of small cylindrical roller rolling surface removes less.

Due to the opening Design of the first abrasive disk straight-line groove, exists in attrition process and be processed cylindrical roller first Along the straight-line feed of straight-line groove baseline and the collection, defeated via roller circulation disk external system between abrasive disk and the second abrasive disk The circulation send, arrange, being sent into, and via roller recycle disk external system when be processed the original order of cylindrical roller can be disturbed.

On the one hand, the opening Design of the first abrasive disk straight-line groove is adapted to high-volume cylindrical roller rolling surface very much Finishing；On the other hand, the processed cylindrical roller order upset when recycling disk external system via roller makes preceding feature " circle Column roller rolls surface high point material removes more, low spot material removes less, the material for the cylindrical roller rolling surface being relatively large in diameter Remove, the material of the lesser cylindrical roller rolling surface of diameter removes less more " entire processing batch can be diffused to, so as to mention The form accuracy and dimensional uniformity of the cylindrical roller rolling surface of high entire batch；When another further aspect is due to attrition process, the The working face of one abrasive disk straight-line groove is distributed in each attrition process region H made of surrounding with the second abrasive disk working face Cylindrical roller is processed to dozens of more than ten, numerous attrition process region H between the first abrasive disk and the second abrasive disk It is interior while thering are hundreds of or even thousands of processed cylindrical rollers to participate in grinding, so as to improve cylindrical roller rolling surface plus Work efficiency rate reduces processing cost.

Moreover, because the conical surface of the basal plane of the first abrasive disk designs, particularly when the entrance of straight-line groove is arranged first When abrasive disk outer rim, more, longer straight-line groove can be designed on the working face of the first abrasive disk, i.e., have number simultaneously more More processed cylindrical rollers participates in grinding.

Further, it due to the setting of the second abrasive disk internal magnetization structure, is rolled in the processed cylinder of ferromagnetism material The second abrasive disk working face is introduced to the magnetic attraction of the processed cylindrical roller of ferromagnetism material in the dynamic balance system of son, and Ferromagnetism material is applied to by the opposite approach of the first abrasive disk and the second abrasive disk when the magnetic attraction is independently of attrition process The operating pressure of the processed cylindrical roller of matter, so that " the second abrasive disk working face is added condition to the ferromagnetism material Work cylindrical roller rotates the work that generated sliding friction driving moment is greater than the first abrasive disk straight-line groove around own axes Generated sliding-frictional resistance square is rotated around own axes in face of the processed cylindrical roller of the ferromagnetism material " it is easier It realizes.

Detailed description of the invention

Fig. 1 is magnetically grinding disk external member schematic diagram of the present invention；

Fig. 2 (a) is first abrasive disk straight-line groove structural representation of the invention and processed cylindrical roller rolling surface and straight The contact relation schematic diagram of line trenches working face；

Fig. 2 (b) is the three dimensional structure diagram for being processed cylindrical roller；

Fig. 2 (c) is the scanning profile schematic diagram of the scanning surface where the working face of the first abrasive disk straight-line groove of the invention；

Fig. 3 is the first abrasive disk basal plane schematic diagram of the invention；

Fig. 4 (a) is the second abrasive disc structure signal of the invention and processed cylindrical roller and the second abrasive disk working face Contact relation schematic diagram；

Fig. 4 (b) is the portion the E enlarged drawing in Fig. 4 (a)；

Fig. 5 be processed under attrition process state of the present invention cylindrical roller straight-line groove and the second abrasive disk working face it Between distribution schematic diagram；

Fig. 6 (a) is the second abrasive disk magnetic texure signal of the invention and the Distribution of Magnetic Field near the second abrasive disk working face Schematic diagram；

Fig. 6 (b) is the portion the F enlarged drawing in Fig. 6 (a), be the second abrasive disk working face nearby the magnetic line of force preferably pass through it is ferromagnetic The schematic diagram of the processed cylindrical roller of property material；

Fig. 7 is the main machine structure schematic diagram of milling apparatus of the present invention；

Fig. 8 is the cylindrical roller circulation schematic diagram of milling apparatus of the present invention；

Fig. 9 is the circulation signal that cylindrical roller is processed under attrition process state of the present invention inside and outside magnetically grinding disk external member Figure.

In figure：

11- pedestal；

12- column；

13- crossbeam；

14- slide unit；

15- top tray；

16- lower tray；

17- axial loading device；

18- main shaft device；

2- magnetically grinding disk external member；

The first abrasive disk of 21-；

The front of the first abrasive disk of 211-；

The straight-line groove of the first abrasive disk of 2111-；

The working face of 21111- the first abrasive disk straight-line groove；

The central plane of the working face of 21112- the first abrasive disk straight-line groove；

Scanning surface where the working face of 21113- the first abrasive disk straight-line groove；

Cross section profile of the scanning surface in its normal section where the working face of 211131- the first abrasive disk straight-line groove；

The normal section of 21114- the first abrasive disk straight-line groove；

Baseline (the scanning surface where the working face of the first abrasive disk straight-line groove of 21116- the first abrasive disk straight-line groove Scan path, straight line)；

The entrance of 21118- the first abrasive disk straight-line groove；

The outlet of 21119- the first abrasive disk straight-line groove；

The transition face of two adjacent straight-line grooves of 2112- the first abrasive disk of connection；

The mounting surface of the first abrasive disk of 212-；

The axis of the first abrasive disk of 213-；

The basal plane (the positive round conical surface) of the first abrasive disk of 214-；

Transversal of 2141- the first abrasive disk basal plane in the first abrasive disk shaft section；

The shaft section of the first abrasive disk of 215-；

The second abrasive disk of 22-；

The matrix of the second abrasive disk of 220-；

The front (working face of the second abrasive disk) of the second abrasive disk of 221-；

Transversal of 2210- the second abrasive disk working face in the second abrasive disk shaft section；

The mounting surface of the second abrasive disk of 222-；

The axis of the second abrasive disk of 223-；

225- the second abrasive disk shaft section；

The ring-shaped magnetic structure of 226- the second abrasive disk intrinsic silicon；

The magnetic field (magnetic line of force) that the ring-shaped magnetic structure of 227- the second abrasive disk intrinsic silicon is formed；

228- annulus is band-like or spiral shape non-magnet material；

3- is processed cylindrical roller；

31- is processed the axis of cylindrical roller；

32- is processed the rolling surface of cylindrical roller；

4- roller recycles disk external system；

41- roller collection device；

42- roller demagnetizer；

43- roller transportation system；

44- roller dressing mechanism；

45- roller feed mechanism；

451- roller feed channel；

The positioning surface of 4511- roller feed channel；

A, cross section profile of the scanning surface where the working face of the first abrasive disk of B- straight-line groove in its normal section is in institute State the remote point of straight-line groove central plane two sides；

When H- attrition process, area made of the working face of the first abrasive disk straight-line groove and the second abrasive disk working face surround Domain；

The cone-apex angle of 2 α-the first abrasive disk basal planes；

The cone-apex angle of 2 β-the second abrasive disk working faces；

θ₁、θ₂Cross section profile of the scanning surface in its normal section where the working face of-the first abrasive disk straight-line groove is in institute State the central angle of the remote point of straight-line groove central plane two sides；

D- annulus is band-like or the insert depth of spiral shape non-magnet material；

S- annulus is band-like or the insertion spacing (or screw pitch) of spiral shape non-magnet material；

T- annulus is band-like or the thickness of spiral shape non-magnet material.

Specific embodiment

The present invention will be described in further detail below with reference to the embodiments of the drawings.It is by reference to the embodiment that attached drawing describes Illustratively, it is intended to be used to explain the present invention, and be not considered as limiting the invention.In addition, remembering in following implementation Size, material, shape and its relative configuration of the constituent part of load etc. will not be of the invention such as without special specific record Range is only limitted to this.

A kind of cylinder for ferromagnetism material (such as GCr15, G20CrNi2MoA, Cr4Mo4V) proposed by the present invention rolls The magnetically grinding disk external member of sub- rolling surface finishing, the first abrasive disk 21 and the second grinding including a pair coaxial 213 and 223 Disk 22, the front 211 of first abrasive disk 21 and the front 221 of the second abrasive disk 22 are positioned opposite, as shown in Fig. 1, attached drawing Label 213 is the axis (i.e. the axis of the 214 positive round conical surface of the first abrasive disk basal plane) of the first abrasive disk, and appended drawing reference 223 is The axis (i.e. the axis of the 221 positive round conical surface of the second abrasive disk working face) of two abrasive disks.

The mounting surface 212 of first abrasive disk and the mounting surface 222 of the second abrasive disk are respectively back to first grinding The front 211 of disk and the front 221 of the second abrasive disk, first abrasive disk 21 and the second abrasive disk 22 are respectively by respective Mounting surface 212/222 is connected with installation foundation corresponding on milling apparatus.

The front 211 of first abrasive disk 21 includes the straight-line groove of one group of (no less than 3) radial distribution The transition face 2112 of 2111 two straight-line grooves 2111 adjacent with connecting.

As shown in Fig. 2 (a), with processed cylindrical roller 3 when the surface of the straight-line groove 2111 includes attrition process The working face 21111 that rolling surface 32 is in contact and the inoperative not being in contact with processed cylindrical roller rolling surface 32 Face.Fig. 2 (b) show the three-dimensional structure of processed cylindrical roller 3.

As shown in Fig. 2 (a), the straight-line groove working face 21111 is on a scanning surface 21113, the scanning surface 21113 For cross-section scanning surface；The scan path of the scanning surface 21113 is straight line, bus (the i.e. scan wheel of the scanning surface 21113 It is wide) in the normal section 21114 of the straight-line groove 2111.The normal section 21114 is perpendicular to the straight-line groove 21111 Scan path (straight line) plane.

As shown in Fig. 2 (c), in the normal section 21114 of the straight-line groove 2111, the section of the scanning surface 21113 Profile 211131 (scanning profile in the normal section 21114) is a radius of curvature and processed cylindrical roller rolling surface 32 The equal circular arc of radius of curvature, the center of curvature of the excessively described cross section profile 211131 of the scan path of the scanning surface 21113, Definition：The scan path (straight line) is the baseline 21116 of the straight-line groove.

The scanning surface 21113 is that the concrete meaning of cross-section scanning surface is：In the baseline 21116 of the straight-line groove In normal section 21114 at different location, the cross section profile 211131 of the scanning surface 21113 is remained unchanged.

It is understood that scanning surface of the present invention is with work relation of plane thereon：Scanning surface determines working face Shape, position and boundary, scanning surface is continuous surface；Working face is of similar shape with corresponding scanning surface, position and Boundary in the contact relation for not influencing cylindrical roller 3 and working face, does not influence the lapping uniformity of cylindrical roller rolling surface 32 Under the premise of working face be can be discontinuous.

As shown in figure 3, the baseline 21116 of all straight-line grooves is distributed on a positive round conical surface, definition：The positive round The conical surface is the basal plane 214 of first abrasive disk 21, and the axis of the basal plane 214 is the axis 213 of first abrasive disk 21.

Definition：2 α of cone-apex angle of the first abrasive disk basal plane 214 is the institute in the shaft section 215 of first abrasive disk State basal plane 214 transversal 2141 be located at first abrasive disk 21 entity side angle, appended drawing reference α be the basal plane 214 vertex of a cone half-angle.

The baseline 21116 of the straight-line groove is in the shaft section 215 of first abrasive disk, definition：Comprising described straight First abrasive disk shaft section 215 of duct alveolobasilar line 21116 is the central plane 21112 of the straight-line groove working face 21111, Scanning as shown in Fig. 2 (c), in the normal section 21114 of the straight-line groove, where the straight-line groove working face 21111 Central angle θ of the cross section profile 211131 in face 21113 in the remote point A and B of 21112 two sides of central plane₁≤90°、θ₂ ≤90°。

When attrition process, it is processed central plane 21112 of the axis 31 in the straight-line groove working face of cylindrical roller It is interior, cylindrical roller rolling surface 32 is processed with the straight-line groove working face 21111, face contact occurs, be processed cylindrical roller Axis 31 coincides with the baseline 21116 of the straight-line groove.

When attrition process, cylindrical roller 3 is processed successively from the entrance of each straight-line groove 2111 of first abrasive disk 21118 enter the straight-line grooves 2111, extend through the straight-line groove 2111 and from corresponding each straight-line groove 2111 Leave the straight-line groove 2111 in outlet 21119.

The entrance 21118 of each straight-line groove 2111 of first abrasive disk is each provided at the outer rim of first abrasive disk 21, The outlet 21119 of each straight-line groove 2111 of first abrasive disk is each provided at the inner edge of first abrasive disk 21.Or it is described The entrance 21118 of each straight-line groove 2111 of first abrasive disk is each provided at the inner edge of first abrasive disk 21, first grinding The outlet 21119 of each straight-line groove 2111 of disk is each provided at the outer rim of first abrasive disk 21.Recommend first abrasive disk each The entrance 21118 of straight-line groove 2111 is each provided at the outer rim of first abrasive disk 21, each straight-line groove of the first abrasive disk 2111 outlet 21119 is each provided at the inner edge of first abrasive disk 21.

Recommend all straight-line grooves 2111 uniformly distributed around the axis 213 of first abrasive disk.

As shown in Fig. 4 (a), the front 221 of second abrasive disk is a positive round conical surface, and the positive round conical surface 221 is the The working face of two abrasive disks, the axis of the working face 221 are the axis 223 of second abrasive disk.Definition：The working face 221 2 β of cone-apex angle is that the transversal 2210 of the working face in the shaft section 225 of second abrasive disk is located at described second The angle of the entity side of abrasive disk 22.Appended drawing reference β is the vertex of a cone half-angle of the working face 221.

2 β of cone-apex angle of the second abrasive disk working face 221 and 2 α of cone-apex angle of the first abrasive disk basal plane 214, which meets, to close System：

+ 2 β=360 ° 2 α

When attrition process, under the constraint of the working face 21111 of the first abrasive disk straight-line groove, such as Fig. 4 (a) institute Show, Fig. 4 (b) be Fig. 4 (a) the portion E amplify, be processed cylindrical roller rolling surface 32 with the first abrasive disk straight line Line occurs with the second abrasive disk working face 221 while face contact occurs for the working face 21111 of groove and contacts (tangent).Institute Stating processed cylindrical roller 3 only has around the rotary motion freedom degree of own axes 31 and along the straight-line groove baseline 21116 Translational motion freedom degree.

When 2 α=2 β=180 °, the working face 221 of the first abrasive disk basal plane 214 and the second abrasive disk is flat Face；The axis 213 of first abrasive disk is perpendicular to the first abrasive disk basal plane 214, the axis 223 of second abrasive disk Perpendicular to the second abrasive disk working face 221, and except the baseline 21116 of the straight-line groove is in the axis of first abrasive disk There is also the baseline 21116 of the straight-line groove not feelings in the shaft section 215 of first abrasive disk except in section 215 Shape.When the baseline 21116 of the straight-line groove is not in the shaft section 215 of first abrasive disk, the straight-line groove work The central plane 21112 for making face is the baseline 21116 comprising the straight-line groove and the axis for being parallel to first abrasive disk 213 plane, and when attrition process is processed the axis 31 of cylindrical roller not in first abrasive disk and the second abrasive disk In shaft section 215/225.

As shown in figure 5, when attrition process, along the straight-line groove baseline in each straight-line groove 2111 of the first abrasive disk 21116 are covered with processed cylindrical roller 3.Definition：The working face 21111 of the first abrasive disk straight-line groove is ground with described second Region made of mill working face 221 surrounds is attrition process region H.

As shown in Fig. 6 (a) and Fig. 6 (b), the matrix 220 of second abrasive disk 22 is manufactured by permeability magnetic material, described the The inside of the matrix 220 of two abrasive disks 22 is embedded with ring-shaped magnetic structure 226, in the working face 221 of second abrasive disk Nearby magnetic field 227 is formed along 2210 direction of plain line of the second abrasive disk working face.In the working face of second abrasive disk Band-like (or spiral shape) non-magnet material 228 of one group of annulus is embedded on 221, to increase the working face of second abrasive disk 221 along 2210 direction of plain line of the second abrasive disk working face magnetic resistance.The magnetic conduction material of the matrix 220 of second abrasive disk Expect and band-like (or spiral shape) non-magnet material 228 of annulus of insertion is closely coupled and has collectively constituted second abrasive disk Working face 221.Thickness t, insert depth d and spacing (or the spiral shell of band-like (or spiral shape) non-magnet material 228 of annulus Away from) on the one hand s need to meet requirement of the working face 221 of second abrasive disk to structural strength and rigidity；On the other hand, Ying Bao The magnetic line of force 227 described in when demonstrate,proving attrition process near the second abrasive disk working face 221 preferentially by with the second abrasive disk work Make the processed cylindrical roller 3 for the ferromagnetism material that face 221 is in contact.

The ring-shaped magnetic structure 226 of the second abrasive disk intrinsic silicon can be electromagnetic structure or electric control permanent magnet structure.

The permeability magnetic material uses the higher soft magnetic materials of magnetic permeability such as soft iron, mild steel and magnetically soft alloy etc., described Non-magnet material 228 is using nonferromagnetic material such as non-ferrous metal, austenitic stainless steel etc..

The grinding for proposing a kind of cylindrical roller rolling surface finishing for ferromagnetism material in the present invention simultaneously is set It is standby, including host, roller circulation disk external system 4 and aforementioned magnetically grinding disk external member 2, as shown in Figure 7.

The host includes pedestal 11, column 12, crossbeam 13, slide unit 14, top tray 15, lower tray 16, axially loaded dress Set 17 and main shaft device 18.

The pedestal 11, column 12 and crossbeam 13 form the frame of the host.

First abrasive disk 21 of the magnetically grinding disk external member 2 is connect with the lower tray 16, the magnetically grinding disk set Second abrasive disk 22 of part 2 is connect with the top tray 15.

The main shaft device 18 is mounted on the slide unit 14, drives described second to grind by top tray 15 connected to it Mill 22 is turned round around its axis.The lower tray 16 is mounted on the pedestal 11, first abrasive disk 21 and lower tray 16 It does not turn round.Conducting slip ring is installed on the main shaft of main shaft device 18 for driving second abrasive disk 22 to turn round, for giving The ring-shaped magnetic structure 226 of the second abrasive disk intrinsic silicon in turn state provides electric power.

The slide unit 14 is connect by the axial loading device 17 with the crossbeam 13.The column 12 is also used as Guiding parts is that the slide unit 14 along the axis of second abrasive disk 22 for linear motion provides guiding role.The slide unit 14 under the driving of the axial loading device 17, under the constraint of the column 12 or other guiding parts, together with thereon Main shaft device 18, the top tray 15 being connect with the main shaft device 18 and the second abrasive disk being connect with the top tray 15 22 along second abrasive disk 22 axis it is for linear motion.

As shown in Figure 8 and Figure 9, the roller circulation disk external system 4 includes roller collection device 41, roller demagnetizer 42, roller transportation system 43, roller dressing mechanism 44 and roller feed mechanism 45.

The roller collection device 41 is arranged at the outlet 21119 of each straight-line groove 2111 of first abrasive disk, uses The processed cylindrical roller 3 of attrition process region H is left from the outlet 21119 of each straight-line groove 2111 in collection.

The roller transportation system 43 is used to processed cylindrical roller 3 being delivered to institute from the roller collection device 41 It states at roller feed mechanism 45.

Each straight-line groove 2111 of first abrasive disk is each equipped with a roller feed mechanism 45, the roller Feed mechanism 45 is separately mounted at the entrance 21118 of each straight-line groove 2111 of first abrasive disk, is used for processed circle The push of column roller 3 enters the entrance 21118 of each straight-line groove 2111 of first abrasive disk, and to be processed 3 edge of cylindrical roller The straight-line feed movement of each straight-line groove baseline 21116 provides thrust.

The front end of the roller feed mechanism 45 is arranged in the roller dressing mechanism 44, is used for processed cylindrical roller Axis 31 be adjusted to direction required by the roller feed mechanism 45.

As shown in figure 9, second abrasive disk 22 is turned round around its axis when attrition process；Second abrasive disk, 22 edge Its axis is approached to first abrasive disk 21, and processed in each straight-line groove 2111 of first abrasive disk to being distributed in Cylindrical roller 3 applies operating pressure.

Roller feed channel 451, the entrance of a straight-line groove 2111 in office are provided in the roller feed mechanism 45 At 21118, the positioning surface 4511 of the roller feed channel 451 is the straight-line groove working face 21111 in roller feeding machine Continuity in structure 45.During being processed entrance 21118 of the cylindrical roller 3 into the straight-line groove, in the rolling Under the positioning support of the positioning surface 4511 of sub- feed channel, it is processed the axis 31 of cylindrical roller 3 and the base of the straight-line groove Line 21116 is overlapped.Cylindrical roller 3 is processed via the roller feed channel 451, in pushing away for the roller feed mechanism 45 Send effect the lower entrance 21118 for entering the first abrasive disk straight-line groove 2111.

On the one hand, cylindrical roller 3 is processed in the drive of the sliding friction driving moment of the second abrasive disk working face 221 Around 31 continuous rotation of own axes under dynamic；On the other hand, be processed cylindrical roller 3 under the action of roller feed mechanism 45 in a steady stream Constantly enter the attrition process region H from the entrance 21118 of each straight-line groove 2111 of first abrasive disk, along described straight The baseline 21116 of line trenches makees straight-line feed movement, extends through the straight-line groove 2111, and each from first abrasive disk The attrition process region H is left in the outlet 21119 of straight-line groove 2111, completes an attrition process.The grinding is left to add The processed cylindrical roller 3 of work area domain H is via roller collection device 41, roller demagnetizer 42, roller transportation system 43 and rolling Sub- dressing mechanism 44, original order are ground under the action of roller feed mechanism 45 from described first again after being disturbed The entrance 21118 of each straight-line groove 2111 of disk sequentially enters the attrition process region H, and entire process of lapping constantly recycles weight It is multiple, until the surface quality, form accuracy and the dimensional uniformity that are processed cylindrical roller rolling surface 32 reach technical requirements, essence Manufacturing procedure terminates.

Before entering the roller feed mechanism 45, under the action of roller dressing mechanism 44, it is processed cylindrical roller Axis 31 be adjusted to direction required by the roller feed mechanism 45.

When attrition process, cylindrical roller 3 is processed from the entrance 21118 of the first abrasive disk straight-line groove and enters grinding Machining area H leaves attrition process region H from the outlet 21119 of the first abrasive disk straight-line groove, then grinds from described first The outlet 21119 of mill straight-line groove, sequentially via the roller collection device 41, roller transportation system 43, roller collator Structure 44 and roller feed mechanism 45 form into the entrance 21118 of the first abrasive disk straight-line groove and are processed cylindrical roller 3 straight-line feed between the first abrasive disk 21 and the second abrasive disk 22 along straight-line groove baseline 21116 is recycled with via roller The circulation of collection, the conveying, arrangement, feeding of disk external system 4.The path circulated in except the magnetically grinding disk external member 2 For from the outlet 21119 of the first abrasive disk straight-line groove, sequentially via the roller collection device 41, roller transportation system 43, roller dressing mechanism 44 and roller feed mechanism 45, into the entrance 21118 of the first abrasive disk straight-line groove, definition The path is that roller recycles disk outer pathway.

In the roller transportation system 43 that the roller demagnetizer 42 is arranged in roller circulation disk outer pathway or roll For to by the magnetized ferromagnetism in magnetic field of the ring-shaped magnetic structure 226 of the second abrasive disk intrinsic silicon before sub- transportation system 43 3 demagnetization of processed cylindrical roller of material is passing through roller transportation system to avoid the processed cylindrical roller 3 of ferromagnetism material 43 or when roller dressing mechanism 44 reunite.

When attrition process, by adjusting the magnetic field strength of the ring-shaped magnetic structure 226, in the second abrasive disk work Make face 221 and be formed about sufficiently strong magnetic field 227, and makes the second abrasive disk working face 221 to the ferromagnetism material It is processed cylindrical roller 3 and generates sufficiently strong magnetic attraction, so that the second abrasive disk working face 221 is to the ferromagnetism material Processed cylindrical roller 3 around own axes 31 rotate caused by sliding friction driving moment be greater than first abrasive disk it is straight The working face 21111 of line trenches rotates the processed cylindrical roller 3 of the ferromagnetism material around own axes 31 generated Sliding-frictional resistance square, to drive the processed cylindrical roller 3 around 31 continuous rotation of own axes.

When the ring-shaped magnetic structure 226 of the second abrasive disk intrinsic silicon is in off working state, second grinding Magnetic field near disk working face 221 disappears or weakens, being added to the ferromagnetism material of the second abrasive disk working face 221 The magnetic attraction that work cylindrical roller 3 generates disappears or weakens.

When the present invention is implemented, free abrasive grain lapping mode or fixed grain lapping mode can be used.

When using fixed grain grinding, the working face 21111 of the first abrasive disk straight-line groove is by fixed grain material Material is made.

It is understood that above-mentioned and following feature can not only carry out the combination as described in each example, but also can be with Other combinations or exclusive use are carried out, this is without departing from the scope of the present invention.

When carrying out attrition process using cylindrical roller rolling surface of the milling apparatus of the present invention to ferromagnetism material, grinding Method includes the following steps：

Step 1: the second abrasive disk of driving is approached along its axis to the first abrasive disk, until being added in the H of attrition process region Work cylindrical roller rolling surface 32 with the working face 21111 of the first abrasive disk straight-line groove close to occurring face contact and with the simultaneously Line contact occurs for two abrasive disk working faces 21, i.e. the working face 21111 of the first abrasive disk straight-line groove and the second abrasive disk works Can and only can along 21116 direction of straight-line groove baseline in the space of each attrition process region H made of face 221 is surrounded Accommodate the processed cylindrical roller 3 an of queue.

Step 2: the second abrasive disk 22 of driving is turned round around its axis 223 relative to 21 low speed of the first abrasive disk, according to second The outer diameter rotational speed of abrasive disk 22 is 1~10rpm.

Step 3: starting roller demagnetizer 42, roller transportation system 43, roller dressing mechanism 44 and roller feed mechanism 45；The arrangement speed of the conveying speed and roller dressing mechanism 44 that adjust roller transportation system 43 is allowed to and roller feed mechanism 45 feed rate matches, and makes to be processed cylindrical roller 3 via roller transportation system 43 and roller dressing mechanism 44, in roller Continuously enter attrition process from the entrance 21118 of each straight-line groove 2111 of the first abrasive disk under the action of feed mechanism 45 Region H, the baseline 21116 along straight-line groove are moved as straight-line feed, extend through straight-line groove 2111, and from the first abrasive disk Leave attrition process region H in the outlet 21119 of each straight-line groove 2111；Leave the processed cylindrical roller 3 of attrition process region H Via roller collection device 41, roller demagnetizer 42, roller transportation system 43 and roller dressing mechanism 44, original order quilt After upsetting again under the action of roller feed mechanism 45 from the entrance 21118 of each straight-line groove 2111 of the first abrasive disk successively Into attrition process region H, cylindrical roller 3 is processed between the first abrasive disk 21 and the second abrasive disk 22 along straight to establish The circulation of the straight-line feed of duct alveolobasilar line 21116 and collection, conveying, arrangement, feeding via roller circulation disk external system 4.

Step 4: the rotational speed of the second abrasive disk 22 of adjustment is to the rotational speed that works, according to the outer of the second abrasive disk 22 Diameter size works rotational speed as 15~60rpm, and feed rate to the work feed rate for adjusting roller feed mechanism 45 is allowed to Match with the work rotational speed of the second abrasive disk 22, adjusts the conveying speed and roller dressing mechanism of roller transportation system 43 44 arrangement speed, so that roller collection device 41, roller transportation system 43, roller are whole in above-mentioned roller circulation disk external system 4 The storage matching of reason mechanism 44 and roller feed mechanism 45 processed cylindrical roller 3 everywhere, recycle it is smooth orderly.

Step 5: filling lapping liquid to attrition process region H.

Step 6: the ring-shaped magnetic structure 226 of the second abrasive disk intrinsic silicon enters working condition；Second abrasive disk is along it Axis is further approached to the first abrasive disk, so that the processed cylindrical roller rolling surface 32 in the H of attrition process region is distinguished Face contact occurs and line occurs with the second abrasive disk working face 221 with the working face 21111 of the first abrasive disk straight-line groove to contact, And be processed cylindrical roller 3 to each of being distributed in the H of attrition process region and apply initialization pressure, according to processed cylinder The diameter initialization pressure of roller 3 is 0.5~2N.The magnetic field strength for adjusting cyclic annular magnetic texure 226, so that second grinds Mill working face 221 rotates generated sliding friction around own axes 31 to the processed cylindrical roller 3 of ferromagnetism material and drives Kinetic moment be greater than the first abrasive disk straight-line groove working face 21111 to the processed cylindrical roller 3 of ferromagnetism material around itself Axis 31 rotates generated sliding-frictional resistance square, to drive the processed cylindrical roller 3 of ferromagnetism material around itself axis Line 31 makees continuous rotation movement；At the same time, cylindrical roller 3 is processed under the action of roller feed mechanism 45 along the first grinding The baseline 21116 of disk straight-line groove makees straight-line feed movement.Cylindrical roller rolling surface 32 is processed to start to be subjected to the first grinding The attrition process of the working face 21111 of disk straight-line groove and the second abrasive disk working face 221.

Step 7: with attrition process process stable operation, circle is processed to each of being distributed in the H of attrition process region Column roller 3 gradually increases operating pressure to service pressure, is worked normally and is pressed according to the diameter of processed cylindrical roller 3 Power is 2~50N.It is processed the working face 21111 and second with the first abrasive disk straight-line groove that cylindrical roller 3 keeps step 6 The contact relation of abrasive disk working face 221, around own axes 31 continuous rotation movement and along the first abrasive disk straight-line groove The straight-line feed of 2111 baseline 21116 moves, and rolling surface 32 continues on through the working face by the first abrasive disk straight-line groove 21111 and second abrasive disk working face 221 attrition process.

Step 8: being inspected by random samples after attrition process after a period of time to processed cylindrical roller 3；When what is inspected by random samples When technical requirements have not yet been reached in surface quality, form accuracy and the dimensional uniformity of processed cylindrical roller rolling surface 32, after Continue the attrition process of this step；When surface quality, form accuracy and the ruler of the processed cylindrical roller rolling surface 32 inspected by random samples When very little consistency reaches technical requirements, nine are entered step.

Step 9: being gradually reduced operating pressure and finally to zero；Stop roller feed mechanism 45,43 and of roller transportation system Roller dressing mechanism 44 is run, and adjusts the revolving speed of the second abrasive disk 2 to zero；Ring-shaped magnetic structure 226 switches to off working state, Stop roller demagnetizer 42 to run；Stop filling lapping liquid to attrition process region H；Drive the second abrasive disk 22 along its axis 223 return to off-position.Processed cylindrical roller 3 everywhere in circulation is collected, so far, attrition process process terminates.

It is understood that above-mentioned step and sequence can not only carry out the combination as described in example, but also can carry out Others are applied in combination, this is without departing from the scope of the present invention.

Due to the work for the first abrasive disk straight-line groove that the parameter designing for specific processed cylindrical roller 3 is processed Make face 21111 and the second abrasive disk working face 221 is inevitably present foozle, and first abrasive disk 21 and Two abrasive disks 22 can also have installation error when installing on milling apparatus.These foozles and installation error may result in The working face 21111 and the second abrasive disk work of cylindrical roller 3 with the first abrasive disk straight-line groove are processed when attrition process The contact condition and ideal situation for making face 221 have differences.

In order to reduce this species diversity, in first abrasive disk 21 and the second abrasive disk 22 for the first time before use, recommending to utilize Working face of the processed cylindrical roller 3 of the ferromagnetism material of identical geometric parameter to the first abrasive disk straight-line groove 21111 and second abrasive disk working face 221 merged.Adjustment method is identical as the grinding method of processed cylindrical roller 3； For step 8, the processed cylindrical roller 3 for participating in adjustment is inspected by random samples, when the processed cylindrical roller rolling table inspected by random samples When surface quality, form accuracy and the dimensional uniformity in face 32 reach technical requirements, the period of adjustment enters step nine；Otherwise, after Continuous step 8.

Magnetically grinding disk external member, milling apparatus and grinding method proposed by the present invention are not exclusively for the cylinder of ferromagnetism material Roller rolls surface finish work, it may also be used for needle roller etc. has the cylinder zero of the cylindrical roller directly ferromagnetism material of plain line feature The finishing of the external diameter surface of part, this is without departing from the scope of the present invention.

Claims (6)

1. a kind of magnetically grinding disk external member that the cylindrical roller rolling surface for ferromagnetism material finishes, including it is a pair of coaxial The first abrasive disk (21) and the second abrasive disk (22), the front (211) of first abrasive disk (21) and the second abrasive disk (22) front (221) is positioned opposite, it is characterised in that：

The front (211) of first abrasive disk (21) includes the straight-line groove (2111) of one group of radial distribution and connects adjacent Two straight-line grooves (2111) transition face (2112)；

For the working face (21111) of the straight-line groove on a scanning surface (21113), the scanning surface (21113) is cross-section Scanning surface；The scan path of the scanning surface (21113) is straight line, and the bus of the scanning surface (21113) is in the straight line ditch In the normal section (21114) of slot (2111)；In the normal section (21114) of the straight-line groove (2111), the scanning surface (21113) cross section profile (211131) is the radius of curvature phase of a radius of curvature and processed cylindrical roller rolling surface (32) Deng circular arc；

The center of curvature of the excessively described cross section profile (211131) of the scan path of the scanning surface (21113), the scan path For the baseline (21116) of the straight-line groove (2111)；The baseline (21116) of all straight-line grooves is distributed in a normal cone On face, the positive round conical surface is the basal plane (214) of first abrasive disk (21), and the axis of the basal plane (214) is described the The axis (213) of one abrasive disk (21), the cone-apex angle of the basal plane (214) are 2 α；

The baseline (21116) of the straight-line groove includes the straight-line groove in the shaft section (215) of first abrasive disk Baseline (21116) the first abrasive disk shaft section (215) be the straight-line groove working face (21111) central plane (21112)；When attrition process, it is processed central plane of the axis (31) in the working face of the straight-line groove of cylindrical roller (21112) in, face contact occurs for the working face (21111) for being processed cylindrical roller rolling surface (32) and the straight-line groove, The axis (31) for being processed cylindrical roller coincides with the baseline (21116) of the straight-line groove；

The front of second abrasive disk is the working face (221) of a positive round conical surface and the second abrasive disk, the working face (221) axis is the axis (223) of second abrasive disk, and the cone-apex angle of the working face (221) is 2 β, and：

+ 2 β=360 ° 2 α；

When 2 α=2 β=180 °, the axis (213) of first abrasive disk perpendicular to the first abrasive disk basal plane (214), The axis (223) of second abrasive disk removes the base of the straight-line groove perpendicular to the second abrasive disk working face (221) There is also the baselines of the straight-line groove (21116) except the shaft section (215) of first abrasive disk is interior for line (21116) no Situation in the shaft section (215) of first abrasive disk；When the baseline (21116) of the straight-line groove is not described first When the shaft section (215) of abrasive disk is interior, the central plane (21112) of the working face (21111) of the straight-line groove is parallel to institute State the axis (213) of the first abrasive disk；

The matrix (220) of second abrasive disk (22) is manufactured by permeability magnetic material, the matrix (220) of second abrasive disk (22) Inside be embedded with ring-shaped magnetic structure (226), be embedded with one group of ring belt on the working face (221) of second abrasive disk The non-magnet material (228) of shape or spiral shape；The permeability magnetic material of the matrix (220) of second abrasive disk and the annulus of insertion Band-like or spiral shape non-magnet material (228) is closely coupled and has collectively constituted the working face of second abrasive disk (221)。

2. the magnetically grinding disk set finished according to claim 1 for the cylindrical roller rolling surface of ferromagnetism material Part, which is characterized in that the entrance (21118) of each straight-line groove of the first abrasive disk (2111) is respectively positioned on first abrasive disk (21) outlet (21119) of outer rim, each straight-line groove of the first abrasive disk (2111) is respectively positioned on first abrasive disk (21) inner edge；Or the entrance (21118) of each straight-line groove of the first abrasive disk (2111) is respectively positioned on first grinding The outlet (21119) of the inner edge of disk (21), each straight-line groove of the first abrasive disk (2111) is respectively positioned on first abrasive disk (21) outer rim.

3. a kind of milling apparatus that the cylindrical roller rolling surface for ferromagnetism material finishes, which is characterized in that including master Machine, roller circulation disk external system (4) and the cylindrical roller rolling surface essence for being used for ferromagnetism material as claimed in claim 1 or 2 The magnetically grinding disk external member (2) of processing；

The host includes pedestal (11), column (12), crossbeam (13), slide unit (14), top tray (15), lower tray (16), axis To loading device (17) and main shaft device (18)；

The pedestal (11), column (12) and crossbeam (13) form the frame of the host；

The first abrasive disk (21) of the magnetically grinding disk external member (2) is connected with the lower tray (16), the magnetically grinding disk The second abrasive disk (22) of external member (2) is connected with the top tray (15)；

The main shaft device (18) is mounted on the slide unit (14), by described in top tray (15) driving connected to it Second abrasive disk (22) is turned round around its axis；The lower tray (16) is mounted on the pedestal (11)；

The slide unit (14) is connect by the axial loading device (17) with the crossbeam (13)；The column (12) can be with It is the axis offer guiding role for linear motion of the slide unit (14) along second abrasive disk (22) as guiding parts；Institute Slide unit (14) is stated under the driving of the axial loading device (17), in the constraint of the column (12) or other guiding parts Under, together with thereon main shaft device (18), the top tray (15) that is connect with the main shaft device (18) and with the top tray (15) the second abrasive disk (22) connected is for linear motion along the axis of second abrasive disk (22)；

Roller circulation disk external system (4) includes roller collection device (41), roller demagnetizer (42), roller transportation system (43), roller dressing mechanism (44) and roller feed mechanism (45)；

The roller collection device (41) is arranged at the outlet (21119) of each straight-line groove of the first abrasive disk (2111), For collecting the processed cylindrical roller for leaving attrition process region H from the outlet (21119) of each straight-line groove (2111) (3)；

The roller transportation system (43) is for processed cylindrical roller (3) to be delivered at the roller collection device (41) At the roller feed mechanism (45)；

In the roller transportation system (43) that the roller demagnetizer (42) is arranged in roller circulation disk outer pathway or roll For to by the magnetized iron in magnetic field of the ring-shaped magnetic structure (226) of the second abrasive disk intrinsic silicon before sub- transportation system (43) Processed cylindrical roller (3) demagnetization of magnetic material；

The roller feed mechanism (45) is separately mounted to the entrance (21118) of each straight-line groove of the first abrasive disk (2111) Place, for processed cylindrical roller (3) to be pushed to the entrance for entering each straight-line groove of the first abrasive disk (2111) (21118), and to be processed cylindrical roller (3) along the straight-line feed movement of each straight-line groove baseline (21116) thrust is provided；

Roller dressing mechanism (44) setting is used in the front end of the roller feed mechanism (45) by processed cylindrical roller Axis (31) be adjusted to direction required by the roller feed mechanism (45)；

When attrition process, second abrasive disk (22) is turned round around its axis；Second abrasive disk (22) is along its axis to institute The first abrasive disk (21) approach is stated, and the processed cylinder being distributed in each straight-line groove of the first abrasive disk (2111) is rolled Sub (3) apply operating pressure.

4. the milling apparatus finished according to claim 3 for the cylindrical roller rolling surface of ferromagnetism material, special Sign is, when attrition process, by adjusting the cyclic annular magnetic of the second abrasive disk intrinsic silicon in the magnetically grinding disk external member (2) Property structure (226) magnetic field strength so that second grinding working face (221) is to the processed cylinder of the ferromagnetism material Roller (3) rotates generated sliding friction driving moment around own axes (31) and is greater than the first abrasive disk straight-line groove Working face (21111) rotates the processed cylindrical roller (3) of the ferromagnetism material around own axes (31) generated sliding Kinetic frictional resistances square, to drive the processed cylindrical roller (3) of the ferromagnetism material around own axes (31) continuous rotation.

5. a kind of grinding method that the cylindrical roller rolling surface for ferromagnetism material finishes, which is characterized in that using such as The milling apparatus that claim 3 or the 4 cylindrical roller rolling surfaces for ferromagnetism material finish, and including following step Suddenly：

Step 1: the second abrasive disk (22) is approached along its axis to the first abrasive disk (21), until the first abrasive disk straight-line groove Working face (21111) surrounded with the second abrasive disk working face (221) made of each attrition process region H space along straight Until duct alveolobasilar line (21116) direction can and can only accommodate the processed cylindrical roller (3) an of queue；

Step 2: the second abrasive disk (22) is turned round around its axis (223) relative to the first abrasive disk (21) with 1~10rpm low speed；

Step 3: starting roller demagnetizer (42), roller transportation system (43), roller dressing mechanism (44) and roller are sent into machine Structure (45)；The arrangement speed of the conveying speed and roller dressing mechanism (44) that adjust roller transportation system (43) is allowed to send with roller Feed rate into mechanism (45) matches；It is ground to establish processed cylindrical roller (3) in the first abrasive disk (21) and second Along the straight-line feed of straight-line groove baseline (21116) and the collection, defeated via roller circulation disk external system (4) between mill (22) The circulation send, arrange, being sent into；

Step 4: work rotational speed of the rotational speed of adjustment the second abrasive disk (22) to 15~60rpm, adjustment roller is sent into The feed rate of mechanism (45) to work feed rate is allowed to match with the work rotational speed of the second abrasive disk (22), adjusts The conveying speed of roller transportation system (43) and the arrangement speed of roller dressing mechanism (44), so that being outside above-mentioned roller circulation disk Roller collection device (41), roller transportation system (43), roller dressing mechanism (44) and roller feed mechanism (45) are each in system (4) Place processed cylindrical roller (3) storage matching, recycle it is smooth orderly；

Step 5: filling lapping liquid to attrition process region H；

Step 6: the ring-shaped magnetic structure (226) of the second abrasive disk intrinsic silicon enters working condition；Second abrasive disk (22) edge Its axis is further approached to the first abrasive disk (21), so that the processed cylindrical roller rolling surface in the H of attrition process region (32) respectively with the working face (21111) of the first abrasive disk straight-line groove occur face contact and with the second abrasive disk working face (221) occur line contact, and to being distributed in the H of attrition process region 0.5~2N's of each processed cylindrical roller (3) application Initialization pressure；The magnetic field strength for adjusting cyclic annular magnetic texure (226), so that the second abrasive disk working face (221) is to ferromagnetic Property material processed cylindrical roller (3) around own axes (31) rotate caused by sliding friction driving moment be greater than and first grind The working face (21111) of mill straight-line groove rotates the processed cylindrical roller (3) of ferromagnetism material around own axes (31) Generated sliding-frictional resistance square, so that the processed cylindrical roller (3) of ferromagnetism material be driven to make around own axes (31) Continuous rotation movement；At the same time, the push effect lower edge first for being processed cylindrical roller (3) in roller feed mechanism (45) is ground The baseline (21116) of mill straight-line groove makees straight-line feed movement；To be processed cylindrical roller rolling surface (32) start through By the working face (21111) of the first abrasive disk straight-line groove and the attrition process of the second abrasive disk working face (221)；

Step 7: with attrition process process stable operation, cylinder rolling is processed to each of being distributed in the H of attrition process region Sub (3) gradually increase the service pressure of operating pressure to 2~50N；Be processed cylindrical roller (3) keep step 6 with the The contact relation of the working face (21111) of one abrasive disk straight-line groove and the second abrasive disk working face (221), around own axes (31) continuous rotation movement and the straight-line feed movement along straight-line groove baseline (21116), rolling surface (32) continue It is subjected to the working face (21111) of the first abrasive disk straight-line groove and the attrition process of the second abrasive disk working face (221)；

Step 8: being inspected by random samples after attrition process after a period of time to processed cylindrical roller (3)；When the quilt inspected by random samples When technical requirements have not yet been reached in surface quality, form accuracy and the dimensional uniformity of the rolling surface (32) of processing cylindrical roller, Continue the attrition process of this step；Surface quality, form accuracy when the processed cylindrical roller rolling surface (32) inspected by random samples When reaching technical requirements with dimensional uniformity, nine are entered step；

Step 9: being gradually reduced operating pressure and finally to zero；Stop roller feed mechanism (45), roller transportation system (43) and Roller dressing mechanism (44) operation adjusts the revolving speed of the second abrasive disk (22) to zero；Ring-shaped magnetic structure (226) switches to non-work Make state, stops roller demagnetizer (42) operation；Stop filling lapping liquid to attrition process region H；Second abrasive disk (22) It is axially withdrawn to arrive off-position.

6. the grinding method finished according to claim 5 for the cylindrical roller rolling surface of ferromagnetism material, special Sign is, in first abrasive disk (21) and the second abrasive disk (22) for the first time before use, utilizing the ferromagnetic of identical geometric parameter The processed cylindrical roller (3) of property material is to the working face (21111) of the first abrasive disk straight-line groove and the second abrasive disk Working face (221) is merged；Adjustment method is identical as the grinding method of processed cylindrical roller (3)；For step 8, to ginseng It is inspected by random samples with the processed cylindrical roller (3) of adjustment, when the surface for the processed cylindrical roller rolling surface (32) inspected by random samples When quality, form accuracy and dimensional uniformity reach technical requirements, the period of adjustment enters step nine；Otherwise, continue step 8.