CN210757109U - Superfinishing mechanism for spherical base surface of bearing roller - Google Patents

Abstract

The utility model provides a super smart mechanism of bearing roller ball base face, it includes the mount pad and installs the super smart subassembly on this mount pad, still include vibration subassembly and reset assembly, super smart subassembly is including installing bounding wall and at least a set of super smart unit on the mount pad, vibration unit mount is on the mount pad, it is through setting up the super smart unit of multiunit, and set up the oilstone of the super smart unit of multiunit on the bounding wall according to roller motion path orbit, make the ball base face of roller carry out abrasive machining along curve orbit, cooperate the vibration subassembly to drive all super smart units simultaneously and follow vertical direction fixed amplitude oscillation grinding, guarantee that the amplitude of oilstone is unanimous with the vibration frequency, improve the super smart precision of roller ball base face, improve roller processingquality.

Description

Superfinishing mechanism for spherical base surface of bearing roller

Technical Field

The utility model relates to a bearing roller ball base face superfinishing technical field specifically is a bearing roller ball base face superfinishing mechanism.

Background

Because the speed per hour of the high-speed rail is as high as 200km/h, when the bearing is selected to be used by the wheel of the high-speed rail, the processing precision of the roller ball base surface of the bearing is higher than that of the common bearing, so that the load bearing requirement when the high-speed rail is steered and meets the vehicle can be met.

The superfinishing method generally adopted for superfinishing the ball base surface of the bearing roller is to respectively finish the processes of rough grinding, fine grinding and superfinishing on a superfinishing machine, wherein in the processes of rough grinding, fine grinding and superfinishing, a rough oilstone wheel, a fine oilstone and a superfinishing oilstone are respectively used for grinding.

In patent document No. CN201810257963.8, hereinafter referred to as symmetric document 1, a vertical type compound machining tool based on a conical roller sphere datum plane is specifically disclosed, and a vertical type compound machining tool based on a conical roller sphere datum plane is provided with a machine body, wherein the machine body is provided with a workbench, a working disc and a grinding wheel mechanism; superfinishing mechanisms are uniformly distributed on the outer circular surface of the workbench; the working disc comprises a lower working disc and an upper working disc; the lower working disc is connected to the upper end of the lower disc main shaft and is positioned above the workbench; a material separating disc is fixed above the lower working disc; the outer circle surface of the material separating disc is provided with a clamping groove for placing the tapered roller; the upper working disc is connected to the lower end of the upper disc main shaft; the upper disc main shaft is supported in the main shaft sleeve; the upper disc main shaft seat is fixedly connected with a main shaft seat dragging plate; the main shaft seat dragging plate is connected with a speed reducer mounting disc at the output end of the motor through an elastic floating mechanism.

Although the above patent discloses a superfinishing mechanism, it does not disclose that the oilstone subjected to superfinishing is oscillated back and forth during superfinishing to achieve higher processing accuracy.

In patent document CN201110296398.4, hereinafter referred to as symmetric document 2, an ultra-precision grinding oscillating mechanism is specifically disclosed, which comprises an oscillating mechanism on an ultra-precision grinding machine tool, a sheave is rotationally coupled to two balance wheels between a left balance weight and a right balance weight, the sheave is of a two-piece symmetric structure and is fixed on a rotating shaft by screws, a driving wheel is mounted on the rotating shaft at two sides of the sheave, and a transmission plate is coupled between the driving wheel and a ram, and the transmission plate converts the rotation of a motor into oscillation by the sheave transmission mechanism to drive the ultra-precision oilstone to oscillate back and forth.

Although the above patent discloses that the ultra-precision grinding machine is additionally provided with an oscillating mechanism to drive the oilstone clamp to oscillate, so as to obtain higher processing precision, the following technical problems still exist:

1. the single oscillating mechanism drives the single oilstone to oscillate, so that the amplitude and the oscillation frequency of the oilstones are inconsistent, and the consistency of the processing precision of the base surface of the roller ball is influenced;

2. in the oscillation process, only one oilstone is driven to oscillate, a plurality of oilstones are arranged on the superfinishing machine, the oscillation frequencies of the oilstones are inconsistent and can interfere with each other, and the processing precision of the base surface of the roller ball is reduced;

3. when the driving wheel is matched with the groove on the grooved wheel, the driving wheel needs to be ensured to rotate freely in the groove, so that a matching gap is certainly formed, the superfinishing machine is a superfinishing device, and the machining precision of the superfinishing machine is limited by the existing matching gap;

4. the driving wheel is matched with the groove on the grooved wheel, the oilstone clamp can only be driven to oscillate along the guide of the groove, and the oscillation amplitude of the oilstone clamp cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a super smart equipment oscillation mechanism, it is through setting up the super smart unit of multiunit, and sets up the oilstone of the super smart unit of multiunit on the bounding wall according to roller motion path orbit for the ball basal plane of roller carries out abrasive machining along the curve orbit, and the cooperation oscillation subassembly drives all super smart units simultaneously and follows vertical direction fixed amplitude oscillation grinding, guarantees that the amplitude of oilstone is unanimous with the frequency of vibration, improves the super precision of roller ball basal plane, improves roller processingquality.

In order to achieve the above object, the utility model provides a following technical scheme:

a superfinishing mechanism for a spherical basal plane of a bearing roller comprises a mounting seat, a superfinishing assembly, an oscillating assembly and a resetting assembly, wherein the superfinishing assembly is mounted on the mounting seat;

the superfinishing assembly comprises a coaming and at least one group of superfinishing units, the coaming is mounted on the mounting seat and can be arranged in a movable mode along the vertical direction relative to the mounting seat, the superfinishing units are arranged along one side, close to the ball base surface of the roller to be superfinished, of the coaming, and the reset assembly which is always in interference fit with the mounting seat is mounted on the edge of the other side, opposite to the superfinishing units, of the coaming;

the oscillating subassembly install in on the mount pad, its include vertical setting the rotary drive device, install in rotary drive device's the below and along with this rotation axis synchronous revolution's amplitude regulation subassembly and be located the vertical round pin of oscillator of amplitude regulation subassembly's below, the vertical round pin of this oscillator is including dividing work tip and the cooperation tip of locating its axial both ends, work tip with the up end of bounding wall is contradicted the setting all the time, the cooperation tip along its circumference protruding be equipped with amplitude regulation subassembly discontinuity conflict complex bellying a.

As an improvement, a clamping groove is formed in the mounting seat, a clamping block correspondingly clamped with the clamping groove is arranged on the edge of the other side, opposite to the superfinishing unit, of the enclosing plate, the clamping groove and the clamping block are arranged in a curved shape in the length direction and are arranged in parallel with the moving path of the roller, the clamping groove is matched with the width of the clamping block, and the height of the clamping groove in the oscillation direction of the enclosing plate is larger than that of the clamping block.

As an improvement, a plurality of groups of the super-precision units are uniformly distributed and installed on the edge of the enclosing plate, and each super-precision unit comprises:

the oilstone clamp is horizontally and fixedly arranged on the coaming, and a sliding groove pointing to the bearing roller is formed in the oilstone clamp;

the oilstone is slidably arranged in the sliding chute, and the working end of the oilstone, which extends out of the sliding chute and is abutted against the roller ball base surface, is arranged in a curved shape and is superposed with the curved processing path of the roller ball base surface;

the push plate is arranged on the rear side of the oilstone and is arranged in the corresponding sliding groove in a sliding manner; and

the propelling movement driving piece is installed below the enclosing plate and used for adjusting the length of the oilstone extending out of the sliding groove.

As the improvement, the working ends of the oilstones of the plurality of groups of superfinishing units are arranged side by side in a transitional mode to form a curved shape, and the working ends are arranged in parallel with the length direction of the fixture blocks.

As a modification, the amplitude adjustment assembly is a control part with a fixed projection distance.

As a modification, the amplitude adjustment assembly is a control part with a projection distance adjustable along the vertical direction.

As the improvement, still include elastic connection subassembly, elastic connection subassembly passes through the coaxial cover of toper structure and locates the outside of rotation axis.

As an improvement, the control part is a lug extending outwards from the lower end part of the elastic connecting assembly or a ball rolling freely and mounted on the lower end part of the elastic connecting assembly.

As an improvement, the lower tip of elastic connection subassembly is located its center pin one side and has seted up the mounting groove, the control part is the ball structure, its including the activity set up in the ball of mounting groove and horizontal installation in elastic connection subassembly is last adjusting screw, this adjusting screw's conical tip penetrates in the mounting groove, and be located ball top one side.

As an improvement, a plurality of positioning grooves are uniformly distributed on the lower end face of the enclosing plate along the length direction of the clamping block, a plurality of reset components are correspondingly arranged in the corresponding positioning grooves one by one, and each reset component comprises a guide sleeve vertically and slidably arranged in the corresponding positioning groove and an elastic piece which is arranged in the guide sleeve and is in butt fit with the upper end face of the corresponding positioning groove.

The beneficial effects of the utility model reside in that:

(1) the utility model discloses a set up the super smart unit of multiunit, and set up the oilstone of the super smart unit of multiunit on the bounding wall according to roller motion path orbit for the ball basal plane of roller carries out abrasive machining along curve orbit, and the cooperation oscillation subassembly drives all super smart units simultaneously and follows vertical direction constant amplitude oscillation grinding, guarantees that the amplitude and the frequency of vibration of oilstone are unanimous, improves the super precision of roller ball basal plane, improves roller processingquality

(2) The utility model discloses a set up vibrations subassembly and drive the super smart unit of multiunit in step and oscillate, compare 2 super smart units of file and oscillate a set of oilstone respectively, can avoid appearing the vibration between the oilstone and interfere with each other, even the vibration offsets each other, influences the precision of roller ball base plane superfinishing;

(3) the utility model discloses an utilize the rotation driving device drive rotation axis to drive amplitude modulation subassembly synchronous revolution, directly carry out intermittent type nature conflict cooperation with the bellying on the oscillator longitudinal pin, do not have the fit clearance, avoid the limit of fit clearance to super smart subassembly machining precision, improved super smart subassembly machining precision;

(4) the utility model has the advantages that the amplitude adjusting component is set into a ball structure, the distance of the collision fit between the ball and the convex part on the longitudinal pin of the oscillator is adjusted by the adjusting screw, the adjustment of the oscillation amplitude of the oscillation mechanism is realized, the processing precision and the processing requirement are met, and the universality is stronger;

(5) the utility model adjusts the oscillation frequency of the vertical pin of the oscillator by adjusting the number of the convex parts a on the matching end part and further adjusting the contact frequency of the amplitude adjusting component and the convex parts a in the single-circle rotation process, realizes the adjustment of the oscillation mechanism on the oscillation frequency, does not need to adjust the rotation speed of the alternating current motor, and can adapt to more different oscillation frequency requirements;

(6) the utility model discloses a toper structure of elastic connector and elastic connection nut, when elastic connector is connected with the rotation axis, can be quick carry out centering treatment to elastic connector and rotation axis, guarantee the axiality of elastic connector and rotation axis, avoid the influence to the oscillation mechanism amplitude and the frequency of shaking that the axiality is inconsistent brought.

To sum up, the utility model has the advantages of the amplitude frequency of oscillation is stable, and the oscillation influence factor is few, and the amplitude frequency of oscillation is adjustable, the super finishing precision is high, be suitable for super finishing wide range, is particularly useful for the oscillating mechanical structure technical field on the super finishing equipment.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic sectional structural view of the superfinishing assembly of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a schematic structural view of the reset assembly of the present invention;

fig. 6 is a schematic view of the working state of the oscillating assembly of the present invention;

fig. 7 is a schematic view of the vertical pin structure of the oscillator of the present invention;

fig. 8 is a schematic structural diagram of an amplitude adjustment assembly according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a second amplitude adjustment assembly according to an embodiment of the present invention;

fig. 10 is a schematic cross-sectional structural view of a three-elastic connection assembly according to an embodiment of the present invention;

fig. 11 is a schematic perspective view of a three-elastic connector according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a fourth embodiment of the present invention;

FIG. 13 is an enlarged view of the structure at B in FIG. 12;

fig. 14 is a first schematic structural diagram of a fifth embodiment of the present invention;

fig. 15 is a schematic diagram of a fifth structure according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The first embodiment is as follows:

as shown in fig. 1 to 8, a superfinishing mechanism for a ball base surface of a bearing roller comprises a mounting seat i, a superfinishing assembly ii mounted on the mounting seat i, an oscillating assembly iii and a reset assembly iv;

the superfinishing assembly II comprises a coaming 11 and at least one group of superfinishing units 12, the coaming 11 is mounted on the mounting seat I and can move in the vertical direction relative to the mounting seat I, the superfinishing units 12 are arranged along one side, close to a ball base surface of a roller to be superfinished, of the coaming 11, and the reset assembly IV which is always in interference fit with the mounting seat I is mounted on the edge of the other side, opposite to the superfinishing units 12, of the coaming 11;

the oscillating assembly III is arranged on the mounting seat I and comprises a vertically arranged rotary driving device 2, an amplitude adjusting assembly 4 which is arranged below a rotary shaft 21 of the rotary driving device 2 and synchronously rotates along with the rotary shaft 21, and an oscillator longitudinal pin 5 which is positioned below the amplitude adjusting assembly 4, wherein the oscillator longitudinal pin 5 comprises a working end part 51 and a matching end part 52 which are respectively arranged at two axial ends of the oscillator longitudinal pin, the working end part 51 and the upper end surface of the enclosing plate 11 are always in abutting joint arrangement, and the matching end part 52 is convexly provided with a convex part a521 which is in intermittent abutting joint fit with the amplitude adjusting assembly 4 along the circumferential direction;

the rotation driving device 2 drives the rotation shaft 21 and the amplitude adjusting assembly 4 to rotate synchronously, the amplitude adjusting assembly 4 is in intermittent contact with a convex part a521 on a matching end part 52 of the oscillator longitudinal pin 5, the oscillator longitudinal pin 5 pushes the coaming 11 and the superfinishing unit 12 on the coaming 11 to oscillate in a constant amplitude mode, and the coaming 11 and the superfinishing unit 12 after oscillation are reset through the resetting assembly iv.

Further, the amplitude adjustment assembly 4 is a control part 41 with a fixed protruding distance.

It should be noted that, compared with the reference 1, the utility model discloses an utilize oscillation assembly III through vibration bounding wall 11, make the super fine unit 12 of installing on bounding wall 11 vibrate, carry out super fine grinding to the roller ball base face, improve the machining precision of roller ball base face.

Compare file 2 singly organize super smart unit and vibrate separately, the utility model discloses install the super smart unit 12 of multiunit on same bounding wall 11, rethread oscillation assembly III vibrates the bounding wall, makes the oilstone on the super smart unit 12 of multiunit oscillate in step through the bounding wall, makes the amplitude and the vibration frequency of the oilstone on the super smart unit 12 of multiunit keep unanimous, improves the uniformity of roller ball base face processing.

And, compare the respective oscillation of super smart unit of comparison file 2, the utility model discloses a super smart unit synchronous oscillation can avoid the oscillation interference between a plurality of oscillation mechanism.

The utility model discloses rotary driving device 2 is preferred servo motor, and control part 41 is installed on rotation axis 21, and when control part 41 was the lug, control part 41 with rotation axis 21 a body coupling sets up, and it is located rotation axis 21 axial one side, and the cooperation tip 52 of oscillator longitudinal pin 5 is the echelonment setting, and through the rotation of rotation axis 21, the synchronous rotation of convex massive control part 41 thereupon, when control part 41 is rotatory to contradict the cooperation with bellying a521, make oscillator longitudinal pin 5 extrude bounding wall 11 downwards, make super smart unit 12 on the bounding wall 11 move down with it in step, and when control part 41 is rotatory to breaking away from the cooperation with bellying a521, bounding wall 11 and super smart unit 12 after the oscillation can reset through reset assembly IV.

As shown in fig. 4, as a preferred embodiment, a clamping groove 101 is provided on the mounting seat i, a clamping block 111 that is correspondingly engaged with the clamping groove 101 is provided on the other side edge of the enclosure plate 11 opposite to the superfinishing unit 12, the clamping groove 101 and the clamping block 111 are both curved in the length direction and are arranged parallel to the moving path of the roller, the clamping groove 101 is adapted to the width of the clamping block 111, and the height of the clamping groove 101 in the oscillation direction of the enclosure plate 11 is greater than the height of the clamping block 111.

It should be noted that, this application makes the vibration of oscillating subassembly III when acting on bounding wall 11 through the mode of fixture block 111 and draw-in groove 101 relative movement, and bounding wall 11 can follow draw-in groove 101 and oscillate, makes the super smart unit 12 of installing on bounding wall 11 radially oscillate at the bearing roller, and it is to emphasize here that the utility model discloses the mode of bounding wall 11 and I relative slip of mount pad is not only restricted to the mode through draw-in groove 101 and fixture block 111 block, and all satisfy the mode that makes bounding wall 11 move relative mount pad I in the oscillation direction all belong to the protection within the scope of the utility model.

As shown in fig. 3, as a preferred embodiment, multiple groups of the superfinishing units 12 are uniformly mounted on the edge of the coaming 11, and the superfinishing units 12 comprise:

the oilstone clamp 121 is horizontally and fixedly arranged on the coaming 11, and a chute 122 pointing to the bearing roller is formed in the oilstone clamp 121;

the oilstone 123 is slidably arranged in the chute 122, and the working end 1231 extending out of the chute 122 and abutting against the roller ball base surface is arranged in a curved shape and is superposed with the curved processing path of the roller ball base surface;

the push plate 124 is arranged on the rear side of the oilstone 123 and is arranged in the corresponding sliding groove 122 in a sliding manner; and

a pushing driving member 126, wherein the pushing driving member 126 is installed below the enclosing plate 11, and adjusts the length of the oilstone 123 extending out of the chute 122.

It should be noted that the oilstone 123 slides in the sliding slot 122 of the oilstone clamp 121, the end of the oilstone 123 protruding out of the sliding slot 122 just abuts against the ball base surface of the roller for grinding, the curvature of the end of the oilstone 123 for grinding is consistent with the curvature of the curved processing path of the ball base surface of the roller in the superfinishing process, and the roller performs revolution and circumferential rotation in the superfinishing process, and the oscillating assembly iii drives the oilstone 123 to oscillate, so that the path of the ball base surface of the roller relative to the oilstone 123 is similar to 8-shaped in the superfinishing process, and the 8-shaped path grinding mode can make the bearing force of the ball base surface of the roller more uniform, and the heat dissipation effect is better, so that the precision of the ball base surface of the roller processed by superfinishing is higher.

It should be emphasized here that although the oilstones 123 of the sets of superfinishing units 12 are oscillated by the same set of oscillating assemblies, each oilstone 123 is controlled by its own separate push drive 126, and the length of the extension chute 122 of each oilstone 123 is self-adjusting according to its wear without interfering with each other.

And, from fig. 2, can be clear and definite learn the utility model discloses oilstone 123's among the super smart unit 12 of multiunit work end 1231 transitional coupling, and set up side by side and be bent shape, and with fixture block 111 length direction parallel arrangement, so set up, when can guarantee that the amplitude of oilstone 123 is unanimous with the frequency of oscillation, can also guarantee that the oscillation of oscillating subassembly transmits the transmission route unanimously to each oilstone 123 on, the oscillation synchronism is better, improves super precision finishing precision.

As shown in fig. 3 and fig. 5, as a preferred embodiment, a plurality of positioning grooves 112 are uniformly distributed on the lower end surface of the enclosing plate 11 along the length direction of the fixture block 111, a plurality of reset components iv are correspondingly installed in the corresponding positioning grooves 112 one by one, and each reset component iv includes a guide sleeve 91 vertically slidably installed in the positioning groove 112 and an elastic member 92 arranged inside the guide sleeve 91 and in interference fit with the upper end surface of the positioning groove 112.

It should be noted that the guide sleeve 91 is slidably mounted on the enclosure 11, a spring 92 is arranged between the guide sleeve 91 and the enclosure 11 in an abutting manner, the end of the guide sleeve 91 protruding out of the enclosure 11 abuts against the mounting seat i, when the oscillating assembly iii drives the enclosure 11 to oscillate downwards, the spring 92 is compressed, and then the enclosure 11 which has completed oscillation is released by the spring 92 to be reset.

It is further explained that the utility model discloses a reset assembly IV's structure does not only confine the utility model discloses a reply structure, and the reply structure that satisfies bounding wall 11 automatic re-setting after the oscillation all belongs to the utility model discloses a within the scope.

Example two:

fig. 9 is a schematic structural diagram of a second embodiment of the superfinishing mechanism for a spherical datum plane of a bearing roller according to the present invention; as shown in fig. 9, in which the same or corresponding components as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, only the points different from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment shown in fig. 1 in that:

as shown in fig. 9, in the bearing roller ball-based surface superfinishing mechanism, the control section 41 is a ball attached to the lower end portion of the rotating shaft 21.

It should be noted that, unlike the first embodiment, the control unit 41 in the present embodiment is a ball structure, and is directly rolled and placed in a groove at the lower end of the rotating shaft 21.

Compared with the control part 41 provided with the bump, the control part 41 of the ball structure has smaller direct friction with the convex part a421, longer service life and smaller wear.

Example three:

fig. 10 is a schematic structural diagram of a third embodiment of the superfinishing mechanism for a spherical datum plane of a bearing roller according to the present invention; as shown in fig. 10, in which the same or corresponding components as those in embodiment two are denoted by the same reference numerals as those in embodiment two, only the points of difference from embodiment two will be described below for the sake of convenience.

As shown in fig. 10 and 11, the superfinishing mechanism for the ball-based surface of the bearing roller further includes an elastic connection component 6, and the elastic connection component 6 is coaxially sleeved outside the rotating shaft 21 through a tapered structure.

Further, the control portion 41 is a protrusion extending outward from the lower end of the elastic connection assembly 6 or a ball rotatably mounted on the lower end of the elastic connection assembly 6.

In the present embodiment, the control unit 41 may be disposed on the elastic connector 5, connected to the rotation shaft 11 through the elastic connector 5, and further rotated synchronously with the rotation shaft 11 to drive the control unit 41, so that the damage to the structure of the rotation shaft 11 due to the machining on the rotation bearing 11 can be avoided.

Further, the elastic connection assembly 6 of the present invention includes an elastic connector 61 and an elastic connection nut 62, the elastic connector 61 is coaxially sleeved outside the rotation shaft 21, and sequentially includes a claw portion 611 and a thread portion 612 that are in transition connection from top to bottom along the axial direction thereof, the claw portion 611 includes a plurality of claws 6111 that are annularly disposed at equal intervals along the axial circumference, an adjustment gap 6112 exists between two adjacent claws 6111, and the diameter of the end of the claw portion 611 far away from the thread portion 612 is smaller than the diameter of the end of the claw portion 611 connected to the thread portion 612, and the elastic connection nut 6 is cooperatively sleeved outside the claw portion 611 and is in threaded engagement with the thread portion 612.

When the elastic connector 61 and the rotating shaft 21 are coaxially connected, the utility model discloses a set up the elastic connector 61 as transition connection's pawl part 611 and screw thread portion 612, utilize the pawl part 611 to embrace the rotating shaft 21, in the process that the elastic coupling nut 62 is connected with screw thread portion 612, the threaded connection fit scope is bigger, then the extrusion force of oblique wave part 621 on the elastic coupling nut 62 to the pawl part 611 is just bigger, the adjusting gap 6112 between the jaws 6111 is just smaller, the tighter the pawl part 611 is just embracing the rotating shaft 21, the more consistent the axiality of elastic connector 61 and rotating shaft 21 is just through automatically regulated, in the process that the rotating shaft 11 rotates, the beat of bellying a421 below the elastic connector 61 is just smaller, the corresponding precision when carrying out the super finishing is just higher.

Example four:

fig. 12 is a schematic structural diagram of a fourth embodiment of the superfinishing mechanism for a spherical datum plane of a bearing roller according to the present invention; as shown in fig. 12, in which the same or corresponding components as those in the third embodiment are denoted by the same reference numerals as those in the third embodiment, only the points of difference from the third embodiment will be described below for the sake of convenience.

As shown in fig. 12 and 13, in the ball-based superfinishing mechanism for a bearing roller, the amplitude adjustment assembly 4 is a control part 41 with a projection distance adjustable in the vertical direction.

Further, the lower end of the elastic connection assembly 6 is provided with a mounting groove 60 on one side of the central axis thereof, the control part 41 is of a ball structure and comprises a ball 40 movably arranged in the mounting groove 60 and an adjusting screw 42 horizontally arranged on the elastic connection assembly 6, and a tapered end 421 of the adjusting screw 42 penetrates into the mounting groove 60 and is located on one side above the ball 40.

It should be noted that, compared with the first embodiment, the utility model discloses an be connected ball 40 and rotation axis 21 transmission at elastic connector 61, set up adjusting screw 42 in the mounting groove 60 of placing ball 40, utilize adjusting screw 42 to insert the distance in the mounting groove 60, make the change of the conical tip 421 on the adjusting screw 42 and the contact of ball 40, control ball 40 protrusion mounting groove 60's distance, it is adjustable to realize amplitude adjustment subassembly 4 for protrusion distance, and then change oscillating mechanism's amplitude, just also can be suitable for the superfinishing of not unidimensional bearing roller ball base face, need not just set up the superfinishing equipment of one to a bearing roller ball base face, great manufacturing cost who has saved the enterprise.

It should be emphasized here that the present invention is not limited to the realization of amplitude adjustment by means of the ball and the adjusting screw, and the structure satisfying the requirement of adjusting the protrusion distance of the amplitude adjustment assembly is within the protection scope of the present invention.

Example five:

fig. 14 is a schematic structural diagram of a fifth embodiment of the superfinishing mechanism for a spherical datum plane of a bearing roller according to the present invention; as shown in fig. 14, in which the same or corresponding components as those in embodiment four are denoted by the same reference numerals as those in embodiment four, only the points of difference from embodiment four will be described below for the sake of convenience.

As shown in fig. 14 and 15, the bearing roller ball-based superfinishing mechanism further comprises an oscillator longitudinal sleeve 7 coaxially sleeved outside the oscillator longitudinal pin 5, an oscillator positioning pin 71 horizontally penetrates through the upper oscillator longitudinal sleeve 7, two ends of the oscillator positioning pin 71 extend into the oscillator base 3, and a limit waist groove 53 in sliding fit with the oscillator positioning pin 71 penetrates through the oscillator longitudinal pin 5; the lower end of the elastic connecting component 6 is sleeved with a bearing 8, the bearing 8 is embedded in the upper part of the oscillator longitudinal sleeve 7, and the radial clearance between the limit waist groove 53 and the oscillator positioning pin 71 is not less than the protruding distance of the control part 41.

It should be noted that, in order to ensure the oscillation stability of the oscillator longitudinal pin 5, in the present embodiment, the oscillator longitudinal sleeve 7 is sleeved outside the oscillator longitudinal pin 5, and the structure of the oscillator longitudinal sleeve 7 is similar to a shaft sleeve, so that the sliding contact can be converted into the rotating contact, and the bounce of the oscillator longitudinal pin 5 during the oscillation process can be reduced.

Further, in order to guide the oscillator longitudinal pin 5, an oscillator positioning pin 71 is provided on the oscillator longitudinal bushing 7 to guide and limit the telescopic oscillation of the oscillator longitudinal pin 5.

The working process is as follows:

the rotation driving device 2 drives the rotation shaft 21 and the amplitude adjusting assembly 4 to rotate synchronously, the amplitude adjusting assembly 4 is in intermittent contact with the matching end 52 of the oscillator longitudinal pin 5, so that the oscillator longitudinal pin 5 can oscillate in a reciprocating and amplitude-fixed mode in the oscillator seat 3 along the vertical direction, the ultra-precision unit 12 on the coaming 11 is oscillated in a fixed-amplitude and fixed-frequency mode, and the oscillating coaming 11 and the ultra-precision unit 12 can be elastically reset through the resetting assembly IV.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A superfinishing mechanism for a ball base surface of a bearing roller comprises a mounting seat (I) and a superfinishing assembly (II) mounted on the mounting seat (I), and is characterized by further comprising an oscillating assembly (III) and a resetting assembly (IV);

the superfinishing assembly (II) comprises a coaming (11) installed on the installation seat (I) and at least one group of superfinishing units (12), the coaming (11) is movably arranged along the vertical direction relative to the installation seat (I), the superfinishing units (12) are arranged along one side of the coaming (11) close to a ball base surface of a roller to be superfinished, and the restoring assembly (IV) which is always in interference fit with the installation seat (I) is installed on the edge of the other side of the coaming (11) relative to the superfinishing units (12);

oscillation assembly (III) install in on mount pad (I), its including vertical setting rotation driving device (2), install in below of rotation axis (21) of rotation driving device (2) and along with amplitude regulation subassembly (4) of this rotation axis (21) synchronous revolution and be located oscillator longitudinal pin (5) of the below of amplitude regulation subassembly (4), this oscillator longitudinal pin (5) are including locating working tip (51) and cooperation tip (52) at its axial both ends separately, working tip (51) with the up end of bounding wall (11) is contradicted the setting all the time, cooperation tip (52) along its circumference protruding be equipped with amplitude regulation subassembly (4) discontinuity conflict complex bellying a (521).

2. The bearing roller spherical datum plane superfinishing mechanism according to claim 1, wherein a clamping groove (101) is formed in the mounting seat (I), a clamping block (111) correspondingly clamped with the clamping groove (101) is arranged on the other side edge of the enclosing plate (11) relative to the superfinishing unit (12), the clamping groove (101) and the clamping block (111) are both arranged in a curved shape in the length direction and are arranged in parallel with a moving path of the roller, the clamping groove (101) is matched with the clamping block (111) in width, and the height of the clamping groove (101) in the oscillation direction of the enclosing plate (11) is larger than that of the clamping block (111).

3. The ball-based superfinishing mechanism for bearing rollers according to claim 2, wherein a plurality of groups of the superfinishing units (12) are uniformly mounted on the edge of the apron plate (11), the superfinishing units (12) comprising:

the oilstone clamp (121), the oilstone clamp (121) is horizontally and fixedly installed on the coaming (11), and a sliding groove (122) pointing to the bearing roller is formed in the oilstone clamp;

the oilstone (123) is slidably mounted in the sliding groove (122), and a working end (1231) extending out of the sliding groove (122) and abutting against the ball base surface of the roller is arranged in a curved shape and is superposed with the curved processing path of the ball base surface of the roller;

the push plate (124), the said push plate (124) is set up in the rear side of the said oilstone (123), it is set up in the said concrete chute (122) that corresponds slidably; and

a push driving member (126), wherein the push driving member (126) is installed below the enclosing plate (11) and adjusts the length of the oilstone (123) extending out of the sliding groove (122).

4. The ball-based surface superfinishing mechanism for the bearing rollers as claimed in claim 3, wherein the working ends (1231) of the oilstones (123) of the plurality of groups of superfinishing units (12) are arranged side by side in a transitional manner and are curved, and the working ends are arranged in parallel with the length direction of the fixture block (111).

5. The superfinishing mechanism according to claim 1, wherein the amplitude adjustment assembly (4) is a control part (41) with a fixed protrusion distance.

6. The superfinishing mechanism for a ball base surface of a bearing roller according to claim 1, wherein the amplitude adjustment assembly (4) is a control part (41) with a projection distance adjustable in a vertical direction.

7. The superfinishing mechanism for the spherical base surface of a bearing roller according to claim 5 or 6, further comprising an elastic connection assembly (6), wherein the elastic connection assembly (6) is coaxially sleeved outside the rotating shaft (21) through a conical structure.

8. A bearing roller ball base superfinishing mechanism according to claim 7, characterised in that the control part (41) is an outwardly extending bump at the lower end of the resilient connection member (6) or a free rolling ball mounted at the lower end of the resilient connection member (6).

9. The superfinishing mechanism for the spherical base surface of a bearing roller according to claim 7, wherein the lower end of the elastic connecting component (6) is provided with a mounting groove (60) on one side of the central axis thereof, the control part (41) is of a ball structure and comprises a ball (40) movably arranged in the mounting groove (60) and an adjusting screw (42) horizontally arranged on the elastic connecting component (6), and a tapered end (421) of the adjusting screw (42) penetrates into the mounting groove (60) and is located on one side above the ball (40).

10. The superfinishing mechanism for the spherical base surface of a bearing roller according to claim 2, wherein a plurality of positioning grooves (112) are uniformly distributed on the lower end surface of the enclosing plate (11) along the length direction of the clamping block (111), a plurality of reset assemblies (iv) are correspondingly arranged in the corresponding positioning grooves (112) one by one, and each reset assembly (iv) comprises a guide sleeve (91) vertically slidably arranged in the corresponding positioning groove (112) and an elastic piece (92) arranged in the guide sleeve (91) and in interference fit with the upper end surface of the corresponding positioning groove (112).

Images