CN209394396U - Magnetically grinding disk and equipment for the finishing of cylindrical roller rolling surface - Google Patents

Abstract

The utility model discloses a kind of milling apparatus that the cylindrical roller rolling surface for ferromagnetism material finishes and magnetically grinding disk external member, 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 includes one or more helicla flute for being distributed in the second abrasive disk basal plane (the positive round conical surface), and intrinsic silicon is embedded with ring-shaped magnetic structure.The utility model milling apparatus has the finishing ability of the cylindrical roller rolling surface of high-volume ferromagnetism material.

Description

Magnetically grinding disk and equipment for the finishing of cylindrical roller rolling surface

Technical field

The utility model relates to a kind of cylinders for being used for ferromagnetism material (such as GCr15, G20CrNi2MoA, Cr4Mo4V) The magnetically grinding disk external member and milling apparatus of roller rolls surface finish work, 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 are as follows: 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 deflector roll branch It supports and drives, low speed feeding is made in the track being adapted again along one with cylindrical roller rolling surface element line while rotating Movement, oilstone is along cylindrical roller rolling surface while oilstone is pressed to cylindrical roller rolling surface with lower pressure by superfinishing head Plain line to make high speed of reciprocating vibration a little, finishing is implemented to the rolling surface of cylindrical roller.It is not in the mood for penetration type microstoning In the process, it is sequentially passed through with a batch of cylindrical roller and passes 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, adding 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:

Publication No. CN102476350A: Chinese patent publication discloses 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.

Publication No. CN204736036U: Chinese patent publication discloses a kind of for the grinding of precision cylindrical roller periphery Processing unit (plant).It is characterized by: processing unit (plant) includes cylinder, support frame, grinding tool bottom plate, grinding tool, driven roller and pedestal, 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.

Publication No. CN104608046A: Chinese patent publication discloses a kind of bearing roller cylindrical surface ultraprecise and adds 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 include: 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.

Publication No. CN103522166A: Chinese patent publication 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.

Publication No. CN105798765A: Chinese patent publication discloses 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.

Publication No. CN104493689A and CN104493684A: Chinese patent publication 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: the 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.

Moreover, workpiece propulsion device must be constantly to being added when grinding cylindrical roller using existing double plate straight trough abrasive disk Work cylindrical roller applies axial thrust, to maintain to be processed cylindrical roller along the axial feed of straight flute, to workpiece propulsion device Axial propulsion capability it is more demanding.Improvement project: the plane working face of the first abrasive disk is designed as spiral flute type work Processed cylindrical roller need to be only advanced into the infall of straight flute and helicla flute by face, workpiece propulsion device, be processed cylinder rolling The subsequent axial feed of son can be completed by the screw propulsion of helicla flute working face.

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.

Utility model content

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

In order to solve the above-mentioned technical problem, the utility model proposes it is a kind of for cylindrical roller rolling surface finishing magnetic Property abrasive disk, including a pair of coaxial the first abrasive disk and the second abrasive disk, the front of first abrasive disk and the second grinding The front of disk is 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 includes the transition face of one or more helicla flute and connection adjacent grooves；It is described The working face that is in contact when the surface of helicla flute includes attrition process with processed cylindrical roller and with processed cylindrical roller The non-working surface not being in contact；When the working face of the helicla flute includes attrition process with the rolling table of processed cylindrical roller Working face one that face is in contact and the working face two being in contact with one end face blend angle of processed cylindrical roller；The work Make face one and working face two respectively on scanning surface one and scanning surface two, the scanning surface one and scanning surface two are that cross-section is swept Retouch face；The rolling surface and end face rounding of cylindrical roller are processed under the constraint of the first abrasive disk straight-line groove working face Angle is tangent with the working face one and working face two respectively；The scan path of the scanning surface one and scanning surface two was described The normal cone spiral shell for being processed the midpoint of the mapping of the rolling surface of cylindrical roller on its axis and being distributed on a positive round conical surface Spin line；The positive round conical surface is the basal plane of second abrasive disk, and the axis of the basal plane is the axis of second abrasive disk； The bus (i.e. scanning profile) of the scanning surface one and scanning surface two is in the shaft section of second abrasive disk；Described second The cone-apex angle of abrasive disk basal plane is 2 β, and+3 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 abrasive disk perpendicular to the second abrasive disk basal plane Shaft section in except there is also the baseline of the straight-line groove not situations in the shaft section of first abrasive disk；Work as institute When stating the baseline of straight-line groove not in the shaft section of first abrasive disk, the central plane of the straight-line groove working face is flat Row is in the axis of first abrasive disk；

The matrix of second abrasive disk is manufactured by permeability magnetic material, is embedded in the inside of the matrix of second abrasive disk Ring-shaped magnetic structure, to form magnetic along the plain line direction of the second abrasive disk basal plane near the front of second abrasive disk ?；It is embedded with that one group of annulus is band-like or spiral shape non-magnet material on the front of second abrasive disk, described in increasing Magnetic resistance of the second abrasive disk front along the plain line direction of the second abrasive disk basal plane；The permeability magnetic material of the matrix of second abrasive disk It is band-like or spiral shape non-magnet material is closely coupled and common group on the front of second abrasive disk with the annulus of insertion At the front of second abrasive disk.

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 working face one of the second abrasive disk helicla flute and contacts (tangent), the processed cylinder rolling One end face blend angle of son occurs line with the helicla flute working face two and contacts (tangent) or point contact (tangent)；It is described to be processed Cylindrical roller only has the rotary motion freedom degree around own axes.

When attrition process, corresponding each helicla flute of second abrasive disk is each with each straight-line groove of the first abrasive disk Confluce, along one processed cylindrical roller of the straight-line groove baseline profile in the first abrasive disk straight-line groove.It is fixed Justice: corresponding each confluce, the working face of the first abrasive disk straight-line groove and the second abrasive disk helicla flute Region made of working face surrounds is attrition process region H.

A kind of milling apparatus for the finishing of cylindrical roller rolling surface, including master are proposed in the utility model simultaneously The magnetically grinding disk for the finishing of cylindrical roller rolling surface in machine, roller circulation disk external system and the utility model；

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；

First abrasive disk of the magnetically grinding disk (external member) is connect with the lower tray, the magnetically grinding disk external member Second abrasive disk is connect with the top tray；

The slide unit is connect by the axial loading device with the crossbeam, and 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, the axis along second abrasive disk makees straight line fortune It is dynamic；

The main shaft device is for driving first abrasive disk or the second abrasive disk to turn round around its axis；

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；

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, there are two ways for the revolution of the magnetically grinding disk external member；Mode one, first abrasive disk It is turned round around its axis, second abrasive disk does not turn round；Mode two, first abrasive disk do not turn round, second abrasive disk It is turned round around its axis；

There are three kinds of configurations for the host: host configuration one is used for magnetically grinding disk external member single-revolution in a manner of；It is main Mechanism type two is used for magnetically grinding disk external member two-revolution in a manner of；Host configuration three is not only suitable for the magnetically grinding disk set Part single-revolution in a manner of, and it is suitable for magnetically grinding disk external member two-revolution in a manner of；

Corresponding to host configuration one:

The main shaft device is mounted on the pedestal, passes through the first grinding described in the subiculum dish driving connected to it Coil the revolution of its axis；The top tray is connect with the slide unit；

When attrition process, first abrasive disk is turned round around its axis；The slide unit is in the column or other guide parts Under the constraint of part, ground together with top tray connected to it and the second abrasive disk being connect with the top tray along described second The axis of mill is approached to first abrasive disk, and to the processed circle being distributed in each straight-line groove of the first abrasive disk Column roller applies operating pressure；

Each helicla flute of second abrasive disk is each equipped with a roller feed mechanism, the roller feed mechanism It is separately mounted to the inlet of each helicla flute of the second abrasive disk, for entering in any straight-line groove of the first abrasive disk One processed cylindrical roller push is entered described first when mouth is intersected with the entrance of the second abrasive disk helicla flute The entrance of abrasive disk straight-line groove；

Corresponding to host configuration two:

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；

When attrition process, second abrasive disk is turned round around its axis；The slide unit is in the column or other guide parts Under the constraint of part, together with thereon main shaft device, the top tray that is connected with the main shaft device and be connected with the top tray The second abrasive disk approached along the axis of second abrasive disk to first abrasive disk, and to be distributed in it is described first grinding Processed cylindrical roller in each straight-line groove of disk applies operating pressure；

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, in any helicla flute of the second abrasive disk It will be described in a processed cylindrical roller push entrance when entrance is intersected with the entrance of the first abrasive disk straight-line groove The entrance of first abrasive disk straight-line groove；

Corresponding to host configuration three:

Two sets of main shaft devices are provided with, wherein a set of main shaft device is mounted on the pedestal, pass through institute connected to it The first abrasive disk described in subiculum dish driving is stated to turn round around its axis, another set of main shaft device is mounted on the slide unit, by with Second abrasive disk described in its pop-up dish driving connected is turned round around its axis；Two sets of main shaft devices are provided with locked Mechanism, the same time only allows the single-revolution of first abrasive disk and the second abrasive disk, and another abrasive disk is in circumferential lock Death situation state；

When the magnetically grinding disk external member of milling apparatus in a manner of single-revolution carry out attrition process when, first abrasive disk with The relative motion of second abrasive disk is identical as the host configuration one；The installation site of the roller feed mechanism and effect and institute It is identical to state host configuration one；

When the magnetically grinding disk external member of milling apparatus in a manner of two-revolution carry out attrition process when, first abrasive disk with The relative motion of second abrasive disk and the host configuration two-phase are same；The installation site of the roller feed mechanism and effect and institute It is same to state host configuration two-phase；

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.

Further, when attrition process, the first abrasive disk basal plane is overlapped with the second abrasive disk basal plane；Described It is connected on one abrasive disk front and connects adjacent spiral shell on the transition face and second abrasive disk front of two adjacent straight-line grooves There is gap between the transition face of spin slot.

When attrition process, by adjusting the magnetic field strength of the ring-shaped magnetic structure, so that the second abrasive disk spiral The working face of slot 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.

Compared with prior art, the utility model has the beneficial effects that

During attrition process, closed in the working face of the first abrasive disk straight-line groove and the first abrasive disk helicla flute working face In each attrition process region H made of enclosing, be processed cylindrical roller rolling surface respectively with the first abrasive disk straight-line groove Working face face contact occurs and line occurs with the working face one of the second abrasive disk helicla flute contact, in the second abrasive disk helicla flute Working face friction-driven under be processed cylindrical roller and rotate around own axes, processed cylindrical roller rolling surface and first Opposite sliding occurs for the working face of abrasive disk straight-line groove, adds to realize to the grinding of processed cylindrical roller rolling surface Work.The material removal of rolling surface is directly related with the contact stress of straight-line groove working face with rolling surface, works as larger diameter Processed cylindrical roller rolling surface or processed cylindrical roller rolling surface high point and straight-line groove work face contact when, The contact stress of rolling surface and straight-line groove working face is larger, and the material removal amount of the rolling surface of contact position is larger；When compared with The processed cylindrical roller rolling surface of minor diameter or the low spot of processed cylindrical roller rolling surface and straight-line groove working face When contact, the contact stress of rolling surface and straight-line groove working face is smaller, the material removal amount of the rolling surface of contact position compared with It is small.To realize that cylindrical roller rolling surface high point material removes more, low spot material removes less, the cylindrical roller being relatively large in diameter The material of rolling surface removes more, the material of the lesser cylindrical roller rolling surface of diameter removes less.

Due to the opening Design of the first abrasive disk straight-line groove and the second abrasive disk helicla flute, there are quilts in attrition process Straight-line feed of the cylindrical roller between the first abrasive disk and the second abrasive disk along straight-line groove baseline is processed to follow with via roller The circulation of collection, the conveying, arrangement, feeding of the ring disk external system, and via roller recycle disk external system when be processed cylindrical roller Original order can be disturbed.

On the one hand, the opening Design of the first abrasive disk straight-line groove and the second abrasive disk helicla flute is adapted to large quantities of very much Measure the finishing of cylindrical roller rolling surface；On the other hand, the processed cylindrical roller upset when recycling disk external system via roller Order makes preceding feature, and " cylindrical roller rolling surface high point material removes more, low spot material removes less, the cylinder being relatively large in diameter The material on roller rolls surface removes more, the material of the lesser cylindrical roller rolling surface of diameter removes less " can diffuse to it is whole A processing batch, so that the form accuracy and dimensional uniformity of the cylindrical roller rolling surface of entire batch can be improved；Another side When face is due to attrition process, the first abrasive disk straight-line groove and the second abrasive disk helicla flute have dozens of to as many as hundreds of friendships It can locate, i.e., there are dozens of to hundreds of processed cylindrical rollers to participate in grinding, simultaneously so as to improve cylindrical roller rolling table The processing efficiency in face reduces processing cost.

And since the conical surface of the first abrasive disk basal plane designs, particularly when the entrance setting of straight-line groove is in the first grinding When disk outer rim, more, longer straight-line groove can be designed on the front of the first abrasive disk, i.e., have number more quilt simultaneously It processes cylindrical roller and participates in grinding.

Furthermore it is straight along the first abrasive disk to be processed cylindrical roller for the design of the working face due to the second abrasive disk helicla flute The straight-line feed movement of duct alveolobasilar line can be completed by the spiral pushing of helicla flute working face, and the axial direction of roller feed mechanism pushes away Send Capability Requirement relatively low.

Further, it due to the setting of the second abrasive disk internal magnetization structure, is rolled in the processed cylinder of ferromagnetism material The working face of the second abrasive disk helicla flute is introduced in the dynamic balance system of son to the processed cylindrical roller of ferromagnetism material Magnetic attraction, and be 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 ferromagnetism material, so that " working face of the second abrasive disk helicla flute is to described for condition The processed cylindrical roller of ferromagnetism material rotates generated sliding friction driving moment around own axes and is greater than the first grinding The working face of disk straight-line groove rotates generated sliding around own axes to the processed cylindrical roller of the ferromagnetism material Frictional resistance moment " is easier to realize.

Detailed description of the invention

Fig. 1 is the utility model magnetically grinding disk external member schematic diagram；

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

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

Fig. 2 (c) is that the scanning profile of the scanning surface where the working face of the utility model the first abrasive disk straight-line groove shows It is intended to；

Fig. 3 is the utility model the first abrasive disk basal plane schematic diagram；

Fig. 4 (a) is the utility model the second abrasive disk helical groove structure schematic diagram；

Fig. 4 (b) is the contact relation schematic diagram that the utility model is processed cylindrical roller and helicla flute working face；

Fig. 4 (c) is the feature schematic diagram of the utility model normal cone helix；

Fig. 5 (a) is the contact that cylindrical roller and magnetically grinding disk external member are processed under the utility model attrition process state With the constrained schematic diagram of freedom of motion；

Fig. 5 (b) is the portion the E enlarged drawing in Fig. 5 (a)；

Fig. 6 (a) is that the utility model is processed cylindrical roller and helicla flute work face contact schematic diagram one；

Fig. 6 (b) is that the utility model is processed cylindrical roller and helicla flute work face contact schematic diagram two；

Fig. 7 is that distribution of the cylindrical roller in straight-line groove and helicla flute is processed under the utility model attrition process state Schematic diagram；

Fig. 8 (a) is the signal of the utility model the second abrasive disk magnetic texure and the magnetic field point near the second abrasive disk front Cloth schematic diagram；

Fig. 8 (b) is the portion the F enlarged drawing in Fig. 8 (a), is that nearby the magnetic line of force preferably passes through ferromagnetism in the second abrasive disk front The schematic diagram of the processed cylindrical roller of material；

Fig. 9 (a) is one structural schematic diagram of host configuration of the utility model milling apparatus；

Fig. 9 (b) is two structural schematic diagram of host configuration of the utility model milling apparatus；

Figure 10 (a) is one cylindrical roller of the host configuration circulation schematic diagram of the utility model milling apparatus；

Figure 10 (b) is two cylindrical roller of the host configuration circulation schematic diagram of the utility model milling apparatus；

Figure 11 (a) is that the utility model host configuration one is processed circulation of the cylindrical roller inside and outside magnetically grinding disk external member Schematic diagram；

Figure 11 (b) is that the utility model host configuration one is processed cylindrical roller in the pushing of helicla flute inlet working face Effect is lower to enter attrition process area schematic；

Figure 12 (a) is that the utility model host configuration two is processed circulation of the cylindrical roller inside and outside magnetically grinding disk external member Schematic diagram；

Figure 12 (b) is that the utility model host configuration two is processed cylindrical roller in the pushing of helicla flute inlet working face Effect is lower to enter attrition process area schematic.

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 of the second abrasive disk of 221-；

The helicla flute of the second abrasive disk of 2211-；

The working face of 22111- the second abrasive disk helicla flute；

The working face one of 221111- the second abrasive disk helicla flute；

The working face two of 221112- the second abrasive disk helicla flute；

Scanning surface where the working face of 22112- the second abrasive disk helicla flute；

Scanning surface one where the working face one of 221121- the second abrasive disk helicla flute；

Scanning surface two where the working face two of 221122- the second abrasive disk helicla flute；

Section of the scanning surface in the second abrasive disk shaft section where the working face of 22113- the second abrasive disk helicla flute Profile；

Scanning surface one where the working face one of 221131- the second abrasive disk helicla flute is in the second abrasive disk shaft section Cross section profile one；

Scanning surface two where the working face two of 221132- the second abrasive disk helicla flute is in the second abrasive disk shaft section Cross section profile two；

The baseline of 22116- the second abrasive disk helicla flute (sweep by scanning surface where the working face of the second abrasive disk helicla flute Retouch path, normal cone helix)；

221161- normal cone equiangular helical spiral；

The non-equiangular helical spiral of 221162- normal cone；

The tangent line of 22117- normal cone helix；

The entrance of 22118- the second abrasive disk helicla flute；

The outlet of 22119- the second abrasive disk helicla flute；

The transition face of 2212- connection the second abrasive disk adjacent grooves；

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

The axis of the second abrasive disk of 223-；

The basal plane (the positive round conical surface) of the second abrasive disk of 224-；

Transversal of 2241- the second abrasive disk working face in the second abrasive disk shaft section；

Plain line on 2242- the second abrasive disk basal plane；

Tangent line on 2243- the second abrasive disk basal plane；

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；

322- is processed cylindrical roller rolling surface and connects with what the working face one of the second abrasive disk helicla flute generation line contacted Touch line；

323- is processed transversal of the cylindrical roller rolling surface in its shaft section；

33- is processed the end face of cylindrical roller；

331- is processed the end face rounded corner of cylindrical roller；

3312- is processed cylindrical roller end face rounded corner and occurs what line contacted with the working face two of the second abrasive disk helicla flute Contact line；

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；

452- docks helicla flute；

4521- docks helicla flute working face；

45211- docks helicla flute working face one；

45212- docks helicla flute working face two；

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 straight The remote point of line trenches central plane two sides；

C, D- is processed the two-end-point that cylindrical roller rolling surface maps on its axis；

When G- attrition process, the confluce of the first abrasive disk straight-line groove and the second abrasive disk helicla flute；

When H- attrition process, the working face of the first abrasive disk straight-line groove and the working face of the second abrasive disk helicla flute surround Made of region；

When J- attrition process, the first abrasive disk straight-line groove entrance is intersected with the entrance of the second abrasive disk helicla flute entrance Place；

When K- attrition process, the outlet that the outlet of the first abrasive disk straight-line groove is exported with the second abrasive disk helicla flute is intersected Place；

N- is processed cylindrical roller one end face blend angle and point contact occurs for the working face two of the second abrasive disk helicla flute Contact point；

The dynamic point on a plain line on the second abrasive disk of P- basal plane (the positive round conical surface)；

Q- is processed the midpoint of the mapping of cylindrical roller rolling surface on its axis；

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

The cone-apex angle of 2 β-the second abrasive disk basal planes；

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 straight The central angle of the remote point of line trenches central plane two sides；

λ-normal cone helix helix angle；

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 utility model is described in further detail below in conjunction with figure embodiment.The implementation described by reference to attached drawing Example is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.In addition, following Size, material, shape and its relative configuration of the constituent part recorded in embodiment etc., such as without special specific record, and The scope of the utility model this is not only limitted to.

The utility model proposes one kind be used for ferromagnetism material (such as GCr15, G20CrNi2MoA, Cr4Mo4V) circle The magnetically grinding disk (external member) of column roller rolls surface finish work, the first abrasive disk 21 including a pair coaxial 213 and 223 and the Two abrasive disks 22, the front 211 of first abrasive disk 21 and the front 221 of the second abrasive disk 22 are positioned opposite, such as Fig. 1 institute Show, appended drawing reference 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, appended drawing reference 223 be the axis (i.e. the axis of the 224 positive round conical surface of the second abrasive disk basal plane) of the second abrasive disk.

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 The plane of 21111 scan path (straight line).

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 the concrete meaning of cross-section scanning surface are as follows: 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 described in the utility model and work relation of plane thereon are as follows: scanning surface determines work Make shape, position and the boundary in face, scanning surface is continuous surface；Working face is of similar shape with corresponding scanning surface, position It sets and boundary, in the contact relation for not influencing cylindrical roller 3 and working face, does not influence the grinding of cylindrical roller rolling surface 32 Under the premise of uniformity 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 of the straight-line groove working face 21111 21112, as shown in Fig. 2 (c), in the normal section 21114 of the straight-line groove, where the straight-line groove working face 21111 Scanning surface 21113 cross section profile 211131 21112 two sides of central plane remote point A and B central angle θ₁≤ 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) and Fig. 4 (b), the front 221 of second abrasive disk includes one or more helicla flute 2211 With the transition face 2212 of connection adjacent grooves 2211, Fig. 4 (a), Fig. 5 (a), Fig. 7, Fig. 8 (a), Fig. 9 (a), Fig. 9 (b), Figure 10 It (a), is two helicla flutes shown in Figure 10 (b), Figure 11 (a) and Figure 12 (a).

The working face being in contact when the surface of the helicla flute 2211 includes attrition process with processed cylindrical roller 3 22111 and the non-working surface that is not in contact with processed cylindrical roller 3.

Occur when the working face 22111 of the helicla flute includes attrition process with the rolling surface 32 of processed cylindrical roller The working face 1 of contact and the working face two being in contact with one end face blend angle 331 of processed cylindrical roller 221112。

The working face 1 and working face 2 221112 are respectively in scanning surface 1 and scanning surface two On 221122, the scanning surface 1 and scanning surface 2 221122 are cross-section scanning surface.In first abrasive disk Under the constraint of straight-line groove working face 21111 rolling surface 32 of processed cylindrical roller and end face rounded corner 331 respectively with institute It states working face 1 and working face 2 221112 is tangent.The scanning of the scanning surface 1 and scanning surface 2 221122 Path is identical, and the scan path 22116 of the scanning surface 1 and scanning surface 2 221122 was the processed cylinder The midpoint Q of mapping CD of the rolling surface 32 of roller on its axis 31, the normal cone helix being distributed on a positive round conical surface (normal cone equiangular helical spiral 221161 or the non-equiangular helical spiral 221162 of normal cone).

Definition: the working face 1 and 2 221112 place scanning surface 1 of working face and scanning surface two 221122 scan path 22116 is the baseline of the second abrasive disk helicla flute 2211, and the positive round conical surface is second grinding The basal plane 224 of disk 22, the axis of the basal plane 224 are the axis 223 of second abrasive disk 22.

The feature of the normal cone helix 22116 an are as follows: element as shown in Fig. 4 (c), on the positive round conical surface 224 Line 2242 makees rotary motion around the axis 223 of the positive round conical surface 224, and a dynamic point P is for linear motion along the plain line 2242, institute State the track of point P dynamic point P tangent line 22117 with perpendicular to the element line 2242, the described positive round conical surface 224 in dynamic point P The angle of tangent line 2243 be λ, included angle X is the helix angle of the normal cone helix 22116.When the helix angle λ is Determine angle and λ ≠ 0, the normal cone helix is normal cone equiangular helical spiral 221161；When the helix angle λ is with the dynamic point The change in location of P and change, the normal cone helix be the non-equiangular helical spiral 221162 of normal cone.

As shown in Fig. 4 (a), definition: 2 β of cone-apex angle of the second abrasive disk basal plane 224 is in second abrasive disk 22 Shaft section 225 in the transversal 2241 of the basal plane 224 be located at the angle of the 22 entity side of the second abrasive disk, attached drawing mark Remember that β is the vertex of a cone half-angle of the basal plane 224.

The bus (i.e. scanning profile) of the scanning surface 1 and scanning surface 2 221122 is in second grinding In the shaft section 225 of disk.

The scanning surface 1 and scanning surface 2 221122 are the concrete meaning of cross-section scanning surface are as follows: described In the second abrasive disk shaft section 225 at the different location of the baseline 22116 of helicla flute, the scanning surface 1 is cut The cross section profile 2 221132 of facial contour 1 and scanning surface 2 221122 remains unchanged,

2 β of cone-apex angle of the second abrasive disk basal plane 224 and 2 α of cone-apex angle of the first abrasive disk basal plane 214 meet relationship:

+ 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. 5 (a) institute Show, the portion E that Fig. 5 (b) is Fig. 5 (a) amplifies, the work of the rolling surface 32 and the helicla flute of the processed cylindrical roller Line contact (tangent), one end face blend angle 331 and the helicla flute of the processed cylindrical roller occur for face 1 Line contact (tangent) or point contact (tangent) occur for working face 2 221112.The processed cylindrical roller 3 only has around itself The rotary motion freedom degree of axis 31.

As shown in Fig. 5 (b), the working face 1 of the rolling surface 32 and helicla flute of processed cylindrical roller Contact line 322 in the second abrasive disk shaft section 225 comprising the processed cylindrical roller axis 31, the contact line 322, The cross section profile 1 and the quilt of scanning surface 1 where the working face 1 of the helicla flute Transversal 323 of the cylindrical roller rolling surface in its shaft section is processed with point-blank.

As shown in Fig. 6 (a), when the scan path of the scanning surface where the helicla flute working face 22111 is normal cone etc. When the helix 221161 of angle, since the helix angle λ of the normal cone equiangular helical spiral 221161 is to determine angle, when attrition process, It is processed one end face blend angle 331 of cylindrical roller 3 and the working face 2 221112 of the helicla flute occurs line and contacts, attached drawing mark Note 3312 is that the contact line of line contact occurs.

As shown in Fig. 6 (b), when the scan path of the scanning surface where the helicla flute working face 22111 is that normal cone is non- When equiangular helical spiral 221162, since the helix angle λ of the non-equiangular helical spiral 221162 of the normal cone is not to determine angle, grinding When processing, point contact occurs for the working face 2 221112 at one end face blend angle 331 and the helicla flute that are processed cylindrical roller, The position of contact point N changes with change in location of the processed cylindrical roller 3 on the helicla flute 2211；And comprising described It is processed in the second abrasive disk shaft section 225 of cylindrical roller axis 31, the working face of the helicla flute as shown in Fig. 5 (b) The cross section profile 1 of scanning surface 1 where one 221111 and the processed cylindrical roller rolling surface Transversal 323 with point-blank while there is the relative displacement along the straight line between the two.

As shown in Fig. 6 (a) and Fig. 6 (b), rolling surface 32 and institute of the appended drawing reference 322 for the processed cylindrical roller State the contact line of the working face 1 of helicla flute.

As shown in Fig. 4 (b), (institute of cross section profile 2 221132 of the scanning surface two where the working face two of the helicla flute State the scanning profile of scanning surface 2 221122 in the second abrasive disk shaft section 225) feature and the processed cylindrical roller The contact relation of the working face 2 221112 of end face rounded corner 331 and the helicla flute and the baseline 22116 of the helicla flute It is directly related, it can be according to the contact of processed cylindrical roller end face rounded corner 331 and the working face 2 221112 of the helicla flute The baseline 22116 of relationship and the helicla flute is diagrammatically determined using analytic method or by Three-dimensional Design Software.

Scanning surface two where the helicla flute working face 2 221112 being adapted with given processed cylindrical roller 3 221122 can state with the structural relation of the processed cylindrical roller 3 are as follows: the first abrasive disk according to when attrition process The constraint relationship of the working face 21111 of straight-line groove to the given processed cylindrical roller 3,21 and of the first abrasive disk The relative positional relationship when structural relation and its attrition process of the second abrasive disk 22 determines processed 31 phase of cylindrical roller axis Position and posture to the baseline 22116 of the second abrasive disk basal plane 224 and helicla flute, i.e., the described processed cylindrical roller Axis 31 is overlapped with transversal 2241 of the second abrasive disk basal plane 224 in the second abrasive disk shaft section 225, and with it is described The baseline 22116 of second abrasive disk helicla flute intersects at the processed cylindrical roller rolling surface 32 on its axis 31 Map the midpoint Q of CD.By relatively described second abrasive disk 22 of the processed cylindrical roller 3 along the baseline of the helicla flute 22116 make normal cone screw, remove second abrasive disk at its front 221 physically with the processed circle The material that column roller end face rounded corner 331 interferes, at described positive 221 physically formed with it is described be processed The relevant surface of cylindrical roller end face rounded corner 331 is the scanning surface two where the helicla flute working face 2 221112 221122。

When the entrance 21118 of the first abrasive disk straight-line groove 2111 is located at the outer rim of first abrasive disk 21, institute When stating the outlet 21119 of the first abrasive disk straight-line groove 2111 and being located at the inner edge of first abrasive disk 21, second grinding The entrance 22118 of valve snail spin slot 2211 is located at the outer rim of second abrasive disk 22, the second abrasive disk helicla flute 2211 Outlet 22119 is located at the inner edge of second abrasive disk 22.When the entrance 21118 of the first abrasive disk straight-line groove 2111 is set Described first is located in the outlet 21119 of the inner edge, the first abrasive disk straight-line groove 2111 of first abrasive disk 21 to grind When the outer rim of mill 21, the entrance 22118 of the second abrasive disk helicla flute 2211 is located at the interior of second abrasive disk 22 The outlet 22119 of edge, the second abrasive disk helicla flute 2211 is located at the outer rim of second abrasive disk 22.

Recommend all helicla flutes 2211 uniformly distributed around the axis 223 of second abrasive disk.

When 2 α=2 β=180 °, the first abrasive disk basal plane 214 and the second abrasive disk basal plane 224 are plane；Institute The axis 213 of the first abrasive disk is stated perpendicular to the first abrasive disk basal plane 214, the axis 223 of second abrasive disk is vertical In the second abrasive disk basal plane 224, and except the baseline 21116 of the straight-line groove is in the shaft section of first abrasive disk There is also the baseline 21116 of the straight-line groove not situations in the shaft section 215 of first abrasive disk except in 215. When the baseline 21116 of the straight-line groove is not in the shaft section 215 of first abrasive disk, the straight-line groove working face Central plane 21112 be the baseline 21116 comprising the straight-line groove and the axis 213 for being parallel to first abrasive disk Plane, and when attrition process, the axis 31 for being processed cylindrical roller is not cut in the axis of first abrasive disk and the second abrasive disk In face 215/225.

When attrition process, the first abrasive disk basal plane 214 is overlapped with the second abrasive disk basal plane 224；Described first Transition face 2112 and second abrasive disk front 221 of two adjacent straight-line grooves 2111 are connected on abrasive disk front 211 There is gap between the transition face 2212 of upper connection adjacent grooves 2211.

As shown in fig. 7, when attrition process, helicla flute 2211 and first abrasive disk of corresponding second abrasive disk Each confluce G of straight-line groove 2111, along the straight-line groove baseline in the first abrasive disk straight-line groove 2111 21116 one processed cylindrical roller 3 of distribution.Definition: corresponding each confluce G, the first abrasive disk straight-line groove Working face 21111 and the second abrasive disk helicla flute working face 22111 surround made of region be attrition process region H。

As shown in Fig. 8 (a) and Fig. 8 (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, with attached in the front 221 of second abrasive disk Closely magnetic field 227 is formed along 2242 direction of plain line of the second abrasive disk basal plane 224.In the front 221 of second abrasive disk On be embedded with band-like (or spiral shape) non-magnet material 228 of one group of annulus, to increase the front 221 of second abrasive disk Magnetic resistance along 2241 direction of plain line of the second abrasive disk basal plane 224.The permeability magnetic material of the matrix 220 of second abrasive disk It is closely coupled on the front 221 of second abrasive disk with band-like (or spiral shape) non-magnet material 228 of the annulus of insertion And second abrasive disk front 221 is collectively constituted.The thickness of band-like (or spiral shape) non-magnet material 228 of annulus T, on the one hand insert depth d and spacing (or screw pitch) s need to meet second abrasive disk 221 pairs of front structural strength and rigidity Requirement；On the other hand, the magnetic line of force near the working face 22111 of the second abrasive disk helicla flute described in when should ensure that attrition process 227 preferentially by the processed circle for the ferromagnetism material being in contact with the working face 22111 of the second abrasive disk helicla flute Column roller 3.

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..

A kind of grinding for cylindrical roller rolling surface finishing for ferromagnetism material is proposed in the utility model simultaneously Equipment, including host, roller circulation disk external system 4 and aforementioned magnetically grinding disk external member 2 are ground, as shown in Fig. 9 (a) and Fig. 9 (b).

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 slide unit 14 is connect by the axial loading device 17 with the crossbeam 13, and 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, ground along described second The axis of mill 22 is for linear motion.

The main shaft device 18 is for driving first abrasive disk 21 or the second abrasive disk 22 to turn round around its axis.

As shown in Figure 10 (a) and 10 (b), the roller circulation disk external system 4 includes roller collection device 41, roller demagnetization Device 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.

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.

When attrition process, there are two ways for the revolution of the magnetically grinding disk external member 2；Mode one, first grinding Disk 21 is turned round around its axis, and second abrasive disk 22 does not turn round；Mode two, first abrasive disk 21 do not turn round, and described Two abrasive disks 22 are turned round around its axis.

There are three kinds of configurations for the host: host configuration one is used for the single-revolution in a manner of of magnetically grinding disk external member 2；It is main Mechanism type two is used for the two-revolution in a manner of of magnetically grinding disk external member 2；Host configuration three is not only suitable for the magnetically grinding disk The single-revolution in a manner of of external member 2, and it is suitable for the two-revolution in a manner of of magnetically grinding disk external member 2.

Corresponding to host configuration one, as shown in Fig. 9 (a), the main shaft device 18 is mounted on the pedestal 11, by with Its described lower tray 16 connected drives first abrasive disk 21 to turn round around its axis；The top tray 15 and the slide unit 14 Connection, second abrasive disk 22 and top tray 15 are not turned round.

When attrition process, first abrasive disk 21 is turned round around its axis 213 relative to second abrasive disk 22.It is described The gyratory directions of first abrasive disk 21 need to be according to the rotation direction and its entrance 22118 of the second abrasive disk helicla flute 2211, outlet 22119 position determines, to guarantee that processed cylindrical roller 3 can be from the entrance of each straight-line groove 2111 of first abrasive disk Leave the straight-line groove in 21118 outlets 21119 for entering the straight-line groove 2111 and self-corresponding each straight-line groove 2111 2111.The slide unit 14 under the constraint of the column 12 or other guiding parts, together with top tray 15 connected to it and The second abrasive disk 22 connecting with the top tray is approached along the axis of second abrasive disk 22 to first abrasive disk 21, And operating pressure is applied to the processed cylindrical roller 3 being distributed in each straight-line groove of first abrasive disk 21.

As shown in Figure 11 (a) and Figure 11 (b), each helicla flute 2211 of second abrasive disk is each equipped with a rolling Sub- feed mechanism 45, the roller feed mechanism 45 are separately mounted to the entrance of each helicla flute 2211 of second abrasive disk At 22118, for the entrance 21118 and the second abrasive disk helicla flute in any straight-line groove 2111 of first abrasive disk One processed push of cylindrical roller 3 is entered into the first abrasive disk straight-line groove when 2211 entrance 22118 intersects 2111 entrance 21118.

Roller feed channel 451 and one section of docking helicla flute 452, the docking are provided in the roller feed mechanism 45 The working face 4521 of helicla flute 452 is continuity of the working face 22111 of the second abrasive disk helicla flute in roller feed mechanism 45, It is described docking helicla flute working face 4521 include processed cylindrical roller 3 feeding during with processed cylindrical roller The working face 1 and working face 2 45212 that rolling surface 32 and end face rounded corner 331 are in contact respectively, the docking The working face 1 and working face 2 45212 of helicla flute 452 are the working face 1 of the second abrasive disk helicla flute respectively With the continuity of working face 2 221112, the roller feed channel 451 intersects with the docking helicla flute 452.It is being processed circle During column roller 3 enters the entrance 21118 of the straight-line groove 2111, under the constraint of the roller feed channel 451, Axis 31 when the axis 31 of processed cylindrical roller 3 enters the straight-line groove 2111 at the entrance 21118 with it keeps flat Row, or by parallel close to being transitioned into parallel.

When attrition process, in the turning course of first abrasive disk 21, each helicla flute 2211 of the second abrasive disk Entrance 22118 at roller feed mechanism 45 in docking helicla flute 452 respectively successively with each straight line of the first abrasive disk The entrance 21118 of groove 2111 intersects.At the entrance 22118 of any helicla flute 2211, in the helicla flute 2211 The docking helicla flute 452 and any straight-line groove 2111 of first abrasive disk in roller feed mechanism 45 at entrance 22118 Entrance 21118 when intersecting, under the push effect of gravity or the roller feed mechanism 45, a processed cylinder rolling Son 3 is close with the working face 21111 of its rolling surface 32 to the first abrasive disk straight-line groove 2111 along itself radial direction Mode, into the entrance 21118 of the first abrasive disk straight-line groove 2111.Into the entrance of the straight-line groove 2111 21118 processed cylindrical roller 3 is turned round with first abrasive disk 21, second abrasive disk 22 relatively, then described the The working face 4521 of docking helicla flute 452 in roller feed mechanism 45 at the entrance 22118 of two abrasive disk helicla flutes 2211 Push effect under enter the attrition process region H.

On the one hand, the sliding friction for being processed cylindrical roller 3 in the working face 22111 of the second abrasive disk helicla flute is driven Around 31 continuous rotation of own axes under the driving of kinetic moment；On the other hand, it as shown in Figure 10 (a), comes into the grinding and adds The processed cylindrical roller 3 of work area domain H is under the lasting push effect of the working face 22111 of the second abrasive disk helicla flute Baseline 21116 along the first abrasive disk straight-line groove is moved as straight-line feed, extends through the straight-line groove 2111, And from the outlet of the outlet 22119 of each helicla flute 2211 of second abrasive disk and each straight-line groove 2111 of first abrasive disk 21119 outlet confluce K leaves the attrition process region H, completes an attrition process.Leave the attrition process region The processed cylindrical roller 3 of H is arranged via roller collection device 41, roller demagnetizer 42, roller transportation system 43 and roller Mechanism 44, original order be disturbed after again under the action of roller feed mechanism 45 from each spiral shell of the second abrasive disk The entrance confluce J of the entrance 21118 of the entrance 22118 of spin slot 2211 and each straight-line groove 2111 of first abrasive disk is successively Into the attrition process region H.The continuous circulating repetition of entire process of lapping, until being processed the rolling surface 32 of cylindrical roller Surface quality, form accuracy and dimensional uniformity reach technical requirements, finishing step terminates.

Corresponding to host configuration two, as shown in Fig. 9 (b), the main shaft device 18 is mounted on the slide unit 14, by with Its described top tray 15 connected drives second abrasive disk 22 to turn round around its axis；The lower tray 16 is mounted on the base On seat 11, first abrasive disk 21 and lower tray 16 are not turned round.Main shaft dress for driving second abrasive disk 22 to turn round It sets and conducting slip ring is installed on 18 main shaft, for the ring-shaped magnetic knot to the second abrasive disk intrinsic silicon in turn state Structure 226 provides electric power.

When attrition process, second abrasive disk 22 is turned round around its axis 223 relative to second abrasive disk 21.It is described The gyratory directions of second abrasive disk 22 need to be according to the rotation direction and its entrance 22118 of the second abrasive disk helicla flute 2211, outlet 22119 position determines, to guarantee that processed cylindrical roller 3 can be from the entrance of each straight-line groove 2111 of first abrasive disk Leave the straight-line groove in 21118 outlets 21119 for entering the straight-line groove 2111 and self-corresponding each straight-line groove 2111 2111.The slide unit 14 under the constraint of the column 12 or other guiding parts, together with thereon main shaft device 18, with it is described The connected top tray 15 of main shaft device 18 and the second abrasive disk 22 being connected with the top tray 15 are along second abrasive disk 22 axis is approached to first abrasive disk 21, and to being distributed in being added in each straight-line groove of first abrasive disk 21 Work cylindrical roller 3 applies operating pressure.

As shown in Figure 12 (a) and Figure 12 (b), each straight-line groove 2111 of first abrasive disk is each equipped with described in one Roller feed mechanism 45, the roller feed mechanism 45 are separately mounted to the entrance of each straight-line groove 2111 of first abrasive disk At 21118, for the entrance 22118 and the first abrasive disk straight-line groove in any helicla flute 2211 of second abrasive disk One processed push of cylindrical roller 3 is entered into the first abrasive disk straight-line groove when 2111 entrance 21118 intersects 2111 entrance 21118.

It is provided with roller feed channel 451 in the roller feed mechanism 45, in entering for any straight-line groove 2111 At mouth 21118, the positioning surface 4511 of the roller feed channel 451 is that the straight-line groove working face 21111 is sent into roller Continuity in mechanism 45.During being processed entrance 21118 of the cylindrical roller 3 into the straight-line groove 2111, in institute Under the positioning support of positioning surface 4511 for stating roller feed channel, the axis 31 of cylindrical roller 3 is processed in the straight-line groove It is overlapped in 2111 central plane 21112 and with the baseline of the straight-line groove 21116.

When attrition process, in the turning course of second abrasive disk 22, each helicla flute 2211 of the second abrasive disk Entrance 22118 respectively successively intersected with the entrance 21118 of each straight-line groove 2111 of first abrasive disk.Any described straight At the entrance 21118 of line trenches 2111, in the entrance 21118 and any spiral shell of the second abrasive disk of the straight-line groove 2111 When the entrance 22118 of spin slot 2111 intersects, under the push effect of the roller feed mechanism 45, a processed cylinder Roller 3 is in such a way that its rolling surface 32 slides on the working face 21111 of the straight-line groove 2111, along the straight-line groove 2111 baseline 21116 enters the entrance 21118 of the first abrasive disk straight-line groove 2111.Into the straight-line groove 2111 Entrance 21118 processed cylindrical roller 3 at the entrance 22118 of the second abrasive disk helicla flute 2211 then turned over Working face 22111 push effect under enter the attrition process region H.

On the one hand, the sliding friction for being processed cylindrical roller 3 in the working face 22111 of the second abrasive disk helicla flute is driven Around 31 continuous rotation of own axes under the driving of kinetic moment；On the other hand, it as shown in Figure 10 (b), comes into the grinding and adds The processed cylindrical roller 3 of work area domain H is under the lasting push effect of the working face 22111 of the second abrasive disk helicla flute Baseline 21116 along the first abrasive disk straight-line groove is moved as straight-line feed, extends through the straight-line groove 2111, And from the outlet of the outlet 22119 of each helicla flute 2211 of second abrasive disk and each straight-line groove 2111 of first abrasive disk 21119 outlet confluce K leaves the attrition process region H, completes an attrition process.Leave the attrition process region The processed cylindrical roller 3 of H is arranged via roller collection device 41, roller demagnetizer 42, roller transportation system 43 and roller Mechanism 44, original order be disturbed after again under the action of roller feed mechanism 45 from each spiral shell of the second abrasive disk The entrance confluce J of the entrance 21118 of the entrance 22118 of spin slot 2211 and each straight-line groove 2111 of first abrasive disk is successively Into the attrition process region H.The continuous circulating repetition of entire process of lapping, until being processed the rolling surface 32 of cylindrical roller Surface quality, form accuracy and dimensional uniformity reach technical requirements, finishing step terminates.

Corresponding to host configuration three, two sets of main shaft devices 18 are provided with, wherein a set of main shaft device 18 is mounted on the base On seat 11, first abrasive disk 21 is driven to turn round around its axis by the lower tray 16 connected to it, another set of main shaft Device 18 is mounted on the slide unit 14, drives second abrasive disk 22 around it by the top tray 15 connected to it Axis revolution；Two sets of main shaft devices 18 are provided with locking mechanism, and the same time only allows 21 He of the first abrasive disk The single-revolution of second abrasive disk 22, and another abrasive disk is in circumferential locking state.

When single-revolution carries out attrition process to the magnetically grinding disk external member 2 of milling apparatus in a manner of, first abrasive disk 21 is identical as the host configuration one as the relative motion of the second abrasive disk 22；The structure of the roller feed mechanism 45, installation Position and effect are identical as the host configuration one；The circulating path and process of lapping of processed cylindrical roller 3 and the host Configuration one is identical.

When two-revolution carries out attrition process to the magnetically grinding disk external member 2 of milling apparatus in a manner of, first abrasive disk 21 relative motions with the second abrasive disk 22 and the host configuration two-phase are same；The structure of the roller feed mechanism 45, installation Position and effect are same with the host configuration two-phase；The circulating path and process of lapping of processed cylindrical roller 3 and the host Configuration two is identical.

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, with second abrasive disk just Face 221 is formed about sufficiently strong magnetic field 227, and makes the working face 22111 of the second abrasive disk helicla flute to described ferromagnetic The processed cylindrical roller 3 of property material generates sufficiently strong magnetic attraction, so that the working face of the second abrasive disk helicla flute The processed cylindrical roller 3 of 22111 pairs of ferromagnetism materials rotates generated sliding friction driving force around own axes 31 Square be greater than the working face 21111 of the first abrasive disk straight-line groove to the processed cylindrical roller 3 of the ferromagnetism material around Own axes 31 rotate generated sliding-frictional resistance square, to drive the processed cylindrical roller 3 around own axes 31 Continuous rotation.

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 front 221 disappears or weakens, and the working face 22111 of the second abrasive disk helicla flute is to the ferromagnetism material The magnetic attraction that the processed cylindrical roller 3 of matter generates disappears or weakens.

When the utility model 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 utility model.

When carrying out attrition process using cylindrical roller rolling surface of the utility model milling apparatus to ferromagnetism material, Grinding method the following steps are included:

Step 1: the second abrasive disk 22 is approached along its axis to the first abrasive disk 21, until connecting on the first abrasive disk front The transition of adjacent grooves 2211 is connected on the transition face 2112 of two adjacent straight-line grooves 2111 and the second abrasive disk front Face 2212 as close possible to but attrition process region H in processed cylindrical roller rolling surface 32 not yet grind simultaneously with first The working face 21111 of mill straight-line groove occurs face contact and line occurs with the working face 1 of the second abrasive disk helicla flute Contact, the i.e. working face 21111 of the first abrasive disk straight-line groove and the working face 22111 of the second abrasive disk helicla flute surround The space of each attrition process region H can and can only accommodate a processed cylindrical roller 3.

Step 2: corresponding to the revolution mode one of magnetically grinding disk external member, drive the first abrasive disk 21 around its 213 phase of axis Second abrasive disk, 22 low speed is turned round；Corresponding to the revolution mode two of magnetically grinding disk external member, the second abrasive disk 22 is around its axis Line 223 is turned round relative to 21 low speed of the first abrasive disk.It is turned round according to the outer diameter of the first abrasive disk 21 and the second abrasive disk 22 Speed is 1~10rpm, and the gyratory directions of the first abrasive disk 21 and the second abrasive disk 22 need to be according to the second abrasive disk helicla flute 2211 Rotation direction and its entrance 22118, export 22119 position determine, with guarantee be processed cylindrical roller 3 can be from the first abrasive disk The entrance 21118 of each straight-line groove 2111 enters the outlet of straight-line groove 2111 and self-corresponding each straight-line groove 2111 21119 leave straight-line groove 2111.

Step 3: starting roller demagnetizer 42, roller transportation system 43, roller dressing mechanism 44 and roller feed mechanism 45；The feed rate of adjustment roller feed mechanism 45 is allowed to the opposite rotational speed with the first abrasive disk 21 and the second abrasive disk 22 Match, to guarantee the entrance of entrance 22118 and the first abrasive disk straight-line groove 2111 when the second abrasive disk helicla flute 2211 21118 when intersecting, and will have a processed cylindrical roller 3 to enter spiral respectively under the action of roller feed mechanism 45 Each entrance confluce J of the entrance 21118 of the entrance 22118 and straight-line groove 2111 of slot 2211；Adjust roller transportation system 43 conveying speed and the arrangement speed of roller dressing mechanism 44 are allowed to match with the feed rate of roller feed mechanism 45, make Be processed cylindrical roller 3 via roller transportation system 43 and roller dressing mechanism 44, under the action of roller feed mechanism 45 and When enter each entrance confluce J；Processed cylindrical roller 3 into entrance confluce J is subsequent because of the first abrasive disk 21 and second The push effect of working face 22111 of the opposite revolution of abrasive disk 22 at the entrance 22118 of the second abrasive disk helicla flute 2211 It is lower to enter attrition process region H；Into attrition process region H processed cylindrical roller 3 the second abrasive disk helicla flute work The baseline 21116 for making lasting the first abrasive disk of push effect lower edge straight-line groove in face 22111 makees straight-line feed movement, through logical Cross straight-line groove 2111, and from the outlet 22119 of each helicla flute 2211 of the second abrasive disk and each straight-line groove of the first abrasive disk The outlet confluce K of 2111 outlet 21119 leaves attrition process region H；Leave the processed cylinder rolling of attrition process region H Son 3 is original secondary via roller collection device 41, roller demagnetizer 42, roller transportation system 43 and roller dressing mechanism 44 Sequence sequentially enters entrance confluce J after being disturbed under the action of roller feed mechanism 45 again；Cylinder is processed to establish Roller 3 is between the first abrasive disk 21 and the second abrasive disk 22 along the straight-line feed of straight-line groove baseline 21116 and via roller Recycle the circulation of collection, the conveying, arrangement, feeding of disk external system 4.

Step 4: speed is turned round in the opposite rotational speed of the first abrasive disk 21 of adjustment and the second abrasive disk 22 to opposite work Degree is 15~60rpm, adjustment rolling according to the opposite work rotational speed of the outer diameter of the first abrasive disk 21 and the second abrasive disk 22 The feed rate of sub- feed mechanism 45 to work feed rate is allowed to the opposite work with the first abrasive disk 21 and the second abrasive disk 22 Match as rotational speed, adjusts the conveying speed of roller transportation system 43 and the arrangement speed of roller dressing mechanism 44, so that Roller collection device 41, roller transportation system 43, roller dressing mechanism 44 and roller are sent into above-mentioned roller circulation disk external system 4 The processed cylindrical roller 3 of mechanism 45 everywhere 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 32 in the H of attrition process region Face contact and the working face one with the second abrasive disk helicla flute occurs with the working face 21111 of the first abrasive disk straight-line groove respectively 221111 occur lines contact, and to being distributed in the H of attrition process region each processed application of cylindrical roller 3 initialization pressure Power is 0.5~2N according to the diameter dimension initialization pressure of processed cylindrical roller 3.Adjust the magnetic of cyclic annular magnetic texure 226 Field intensity, so that the working face 22111 of the second abrasive disk helicla flute is to the processed cylindrical roller 3 of ferromagnetism material around itself axis Line 31 rotates generated sliding friction driving moment and is greater than the working face 21111 of the first abrasive disk straight-line groove to ferromagnetism The processed cylindrical roller 3 of material rotates generated sliding-frictional resistance square around own axes 31, to drive ferromagnetism material The processed cylindrical roller 3 of matter makees continuous rotation movement around own axes 31；At the same time, cylindrical roller 3 is processed second The baseline 21116 of lasting the first abrasive disk of push effect lower edge straight-line groove of the working face 22111 of abrasive disk helicla flute is made directly Line feed motion.It is processed cylindrical roller rolling surface 32 and starts 21111 He of working face for being subjected to the first abrasive disk straight-line groove The attrition process of the working face 1 of second abrasive disk helicla flute.

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 dimension 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 the working face 22111 of abrasive disk helicla flute is ground around the continuous rotation movement of own axes 31 and along first The straight-line feed of the baseline 21116 of disk straight-line groove 2111 moves, and rolling surface 32 is continued on through by the first abrasive disk straight line ditch The attrition process of the working face 1 of the working face 21111 of slot and the second abrasive disk helicla flute.

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 relative rotation speed of the first abrasive disk 21 and the second abrasive disk 22 to zero；Ring-shaped magnetic structure 226 switch to off working state, stop roller demagnetizer 42 and run；Stop filling lapping liquid to attrition process region H；Driving Second abrasive disk 22 returns to off-position along its axis 223.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 utility model.

Due to the work for the first abrasive disk straight-line groove that the parameter designing for specific processed cylindrical roller 3 is processed The working face 22111 for making face 21111 and the second abrasive disk helicla flute is inevitably present foozle, and first grinding Disk 21 and the second abrasive disk 22 can also have installation error when installing on milling apparatus.These foozles and installation error can The working face 21111 and second of cylindrical roller 3 with the first abrasive disk straight-line groove is processed when can will lead to attrition process The contact condition of the working face 22111 of abrasive disk helicla flute has differences with ideal situation.

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 the working face 22111 of abrasive disk helicla flute merged.The grinding of adjustment method and processed cylindrical roller 3 Method is identical；For step 8, the processed cylindrical roller 3 for participating in adjustment is inspected by random samples, when the processed cylinder inspected by random samples When surface quality, form accuracy and the dimensional uniformity on roller rolls surface 32 reach technical requirements, the period of adjustment is entered step Nine；Otherwise, continue step 8.

The utility model proposes magnetically grinding disk external member and milling apparatus be not exclusively for the cylindrical roller of ferromagnetism material Rolling surface finishing, it may also be used for needle roller etc. has the cylindrical roller directly cylindrical component of the ferromagnetism material of plain line feature The finishing of external diameter surface, this is without departing from the scope of the utility model.

Claims (5)

1. a kind of magnetically grinding disk for the finishing of cylindrical roller rolling surface, including a pair of coaxial the first abrasive disk (21) and Second abrasive disk (22), the front (211) of first abrasive disk (21) and the front (221) of the second abrasive disk (22) are with respect to cloth It sets, 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 (221) of second abrasive disk includes one or more helicla flute (2211) and connection adjacent grooves (2211) Transition face (2212)；

Occur when the working face (22111) of the helicla flute includes attrition process with the rolling surface (32) of processed cylindrical roller The working face one (221111) of contact and the working face two being in contact with one end face blend angle (331) of processed cylindrical roller (221112), the working face one (221111) and working face two (221112) are respectively in scanning surface one (221121) and scanning surface On two (221122), the scanning surface one (221121) and scanning surface two (221122) are cross-section scanning surface；Described The rolling surface (32) and end face rounding of processed cylindrical roller under the constraint of the straight-line groove working face (21111) of one abrasive disk Angle (331) is tangent with the working face one (221111) and working face two (221112) respectively；The scanning surface one (221121) Scan path (22116) with scanning surface two (221122) was the rolling surface (32) of the processed cylindrical roller at it The midpoint (Q) of mapping (CD) on axis (31) and the normal cone helix being distributed on a positive round conical surface；The positive round conical surface For the basal plane (224) of second abrasive disk (22), the axis of the basal plane (224) is the axis of second abrasive disk (22) (223)；Bus, that is, scanning profile of the scanning surface one (221121) and scanning surface two (221122) is in second grinding In the shaft section (225) of disk；

The cone-apex angle of the second abrasive disk basal plane (224) 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 baseline of the straight-line groove perpendicular to the second abrasive disk basal plane (224) (21116) there is also the baselines of the straight-line groove (21116) not to exist except the shaft section (215) of first abrasive disk is interior Situation in the shaft section (215) of first abrasive disk；When the baseline (21116) of the straight-line groove is not ground described first When the shaft section (215) of mill is interior, the central plane (21112) of the straight-line groove working face (21111) is parallel to described The axis (213) of one abrasive disk；

The matrix (220) of second abrasive disk is manufactured by permeability magnetic material, the matrix (220) of second abrasive disk (22) it is interior Portion is embedded with ring-shaped magnetic structure (226), is embedded with that one group of annulus is band-like or spiral on the front (221) of second abrasive disk Band-like non-magnet material (228)；The permeability magnetic material of the matrix (220) of the second abrasive disk and annulus of insertion is band-like or spiral Band-like non-magnet material (228) is closely coupled and has collectively constituted the front (221) of second abrasive disk.

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

3. a kind of milling apparatus for the finishing of cylindrical roller rolling surface, which is characterized in that outside including host, roller circulation disk System (4) and as claimed in claim 1 or 2 the magnetically grinding disk (2) for the finishing of cylindrical roller rolling surface；

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 (2) is connect with the lower tray (16), the magnetically grinding disk (2) the second abrasive disk (22) is connect with the top tray (15)；

The slide unit (14) is connect by the axial loading device (17) with the crossbeam (13), and 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, the axis along second abrasive disk (22) is for linear motion；

The main shaft device (18) is for driving first abrasive disk (21) or the second abrasive disk (22) to turn round around its axis；

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)；

The roller demagnetizer (42) is arranged in the roller transportation system (43) in roller disk outer circulation path or rolls 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；

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, there are two ways for the revolution of the magnetically grinding disk (2)；Mode one, first abrasive disk (21) it is turned round around its axis, second abrasive disk (22) is not turned round；Mode two, first abrasive disk (21) do not turn round, institute The second abrasive disk (22) is stated to turn round around its axis；

There are three kinds of configurations for the host: host configuration one is used for described magnetically grinding disk (2) single-revolution in a manner of；Main machine frame Type two is used for described magnetically grinding disk (2) two-revolution in a manner of；Host configuration three is not only suitable for the magnetically grinding disk (2) The single-revolution in a manner of, and it is suitable for described magnetically grinding disk (2) two-revolution in a manner of；

Corresponding to host configuration one:

The main shaft device (18) is mounted on the pedestal (11), by described in lower tray (16) driving connected to it First abrasive disk (21) is turned round around its axis；The top tray (15) connect with the slide unit (14)；

When attrition process, first abrasive disk (21) is turned round around its axis；The slide unit (14) the column (12) or its Under the constraint of his guiding parts, together with top tray connected to it (15) and the second abrasive disk being connect with the top tray (22) it is approached along the axis of second abrasive disk (22) to first abrasive disk (21), and ground to being distributed in described first Processed cylindrical roller (3) in disk (21) each straight-line groove applies operating pressure；

The roller feed mechanism (45) is separately mounted to the entrance (22118) of each helicla flute of the second abrasive disk (2211) Place, for the entrance (21118) and the second abrasive disk helicla flute in any straight-line groove of the first abrasive disk (2111) (2211) when entrance (22118) intersects that one processed cylindrical roller (3) push is straight into first abrasive disk The entrance (21118) of line trenches (2111)；

Corresponding to host configuration two:

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)；

When attrition process, second abrasive disk (22) is turned round around its axis；The slide unit (14) the column (12) or its Under the constraint of his guiding parts, together with thereon main shaft device (18), be connected with the main shaft device (18) top tray (15), And the second abrasive disk (22) being connected with the top tray (15) along second abrasive disk (22) axis to described first Abrasive disk (21) approach, and the processed cylindrical roller (3) being distributed in each straight-line groove of first abrasive disk (21) is applied Add operating pressure；

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 the entrance (22118) and the first abrasive disk straight-line groove in any helicla flute of the second abrasive disk (2211) (2111) when entrance (21118) intersects that one processed cylindrical roller (3) push is straight into first abrasive disk The entrance (21118) of line trenches (2111)；

Corresponding to host configuration three:

Be provided with two sets of main shaft devices (18), wherein a set of main shaft device (18) is mounted on the pedestal (11), by with its The lower tray (16) of connection drives first abrasive disk (21) to turn round around its axis, another set of main shaft device (18) installation On the slide unit (14), second abrasive disk (22) is driven to return around its axis by the top tray (15) connected to it Turn；Two sets of main shaft devices (18) are provided with locking mechanism, and the same time only allows first abrasive disk (21) and The single-revolution of two abrasive disks (22), and another abrasive disk is in circumferential locking state；

When the magnetically grinding disk (2) of milling apparatus in a manner of single-revolution carry out attrition process when, first abrasive disk (21) with The relative motion of second abrasive disk (22) is identical as the host configuration one；The installation site of the roller feed mechanism (45) and It acts on identical as the host configuration one；

When the magnetically grinding disk (2) of milling apparatus in a manner of two-revolution carry out attrition process when, first abrasive disk (21) with The relative motion of second abrasive disk (22) and the host configuration two-phase are same；The installation site of the roller feed mechanism (45) and It acts on same with the host configuration two-phase.

4. the milling apparatus for the finishing of cylindrical roller rolling surface according to claim 3, which is characterized in that attrition process When, the basal plane (214) of first abrasive disk is overlapped with the basal plane (224) of second abrasive disk；First abrasive disk The transition face (2112) of two adjacent straight-line grooves (2111) and the front of second abrasive disk are connected on positive (211) (221) there is gap between the transition face (2212) of connection adjacent grooves (2211) on.

5. the milling apparatus for the finishing of cylindrical roller rolling surface according to claim 3, which is characterized in that attrition process When, the magnetic field by adjusting the ring-shaped magnetic structure (226) of the second abrasive disk intrinsic silicon in the magnetically grinding disk (2) is strong Degree so that the working face (22111) of the second grinding helicla flute to the processed cylindrical roller (3) of the ferromagnetism material around Own axes (31) rotate the working face that generated sliding friction driving moment is greater than the first abrasive disk straight-line groove (21111) generated sliding friction is rotated around own axes (31) to the processed cylindrical roller (3) of the ferromagnetism material The moment of resistance, to drive the processed cylindrical roller (3) of the ferromagnetism material around own axes (31) continuous rotation.