CN219853910U - Synchronous polishing tool for inner ring and outer ring of bearing sleeve - Google Patents

Abstract

The utility model relates to a synchronous polishing tool for the inner ring and the outer ring of a bearing sleeve, wherein a driving assembly is arranged on a base, the driving assembly is connected with a positioning rotating assembly and an inner ring and outer ring polishing assembly in a coaxial transmission mode, and the positioning rotating assembly and the inner ring and outer ring polishing assembly can synchronously perform directional translation along with the rotation movement of a rotating screw rod of the driving assembly; the inner ring clamping driving mechanism and the outer ring clamping driving mechanism of the positioning rotating assembly are in transmission contact with the inner ring and the outer ring of the bearing sleeve on the same radius line, and are in close contact with the surfaces of the inner ring and the outer ring of the bearing sleeve under the driving of the driving assembly; the inner ring polishing mechanism and the outer ring polishing mechanism of the inner ring polishing assembly are arranged on the same diameter line with the inner ring clamping driving mechanism and the outer ring clamping driving mechanism. The polishing machine can utilize the polishing mechanism arranged in a para-position mode to synchronously polish the surfaces of the inner ring and the outer ring of the bearing sleeve.

Description

Synchronous polishing tool for inner ring and outer ring of bearing sleeve

Technical Field

The utility model relates to the technical field of bearing sleeve processing equipment, in particular to a synchronous polishing tool for inner and outer rings of a bearing sleeve.

Background

In the processing process of the inner ring and the outer ring of the bearing, the inner ring and the outer ring of the bearing are required to be fixed by using a chuck, the inner ring and the outer ring of the bearing are fixed by adopting a traditional three-jaw chuck at present, and the jaws on the three-jaw chuck are used for fixing the inner ring and the outer ring of the bearing in the fixing process of the bearing, and due to the small contact area between the jaws and the inner ring and the outer ring of the bearing, the surface of the inner ring and the outer ring of the bearing is provided with indentations, so that the processing quality of the inner ring and the outer ring of the bearing is reduced.

The bearing is in the production course of working, need carry out abrasive machining to the prefabrication piece that accomplishes appearance rough machining in order to get rid of the flaw that exists on prefabrication piece surface to promote the surface smoothness, reduce the smoothness error, improve the intensity and the quality of assembly position contact surface, in order to reach the assembly requirement of high accuracy. In actual industrial production, in order to guarantee high-precision parameters of the bearing, the inner ring and the outer ring of the bearing sleeve are required to be polished, so that the bearing sleeve has accurate preset size.

However, the existing polishing equipment cannot meet the polishing and grinding requirements of complex inner and outer rings and high precision of a bearing sleeve with an annular structure. The existing polishing equipment is usually used for polishing the outer ring and the inner ring of the bearing sleeve separately, the inner ring and the outer ring of the bearing sleeve cannot be polished simultaneously and on the same polishing tool, multiple different polishing equipment is needed in the processing process to finish the polishing processing of the inner ring and the outer ring of the bearing sleeve for multiple times, the multiple times of workpiece disassembly and assembly and clamping reference adjustment are needed in the processing process, the operation is complex, the time cost is high, and the processing efficiency is low.

Disclosure of Invention

The utility model aims to provide a bearing sleeve polishing tool capable of synchronously polishing the surfaces of an inner ring and an outer ring of a bearing sleeve by utilizing a polishing mechanism arranged in a para-position mode so as to reduce disassembly and assembly processes and improve the processing efficiency, so that the problems that the existing polishing equipment can only polish one side of the bearing sleeve at a time, the inner ring polishing and the outer ring polishing of the bearing sleeve are complicated in operation, low in processing efficiency and high in processing time cost due to the fact that different polishing equipment is required to be used for processing.

The technical scheme adopted by the utility model is as follows: the inner ring and outer ring synchronous polishing tool for the bearing sleeve comprises a base, wherein a driving assembly is arranged on the base, the driving assembly is connected with a positioning rotating assembly and an inner ring and outer ring polishing assembly in a coaxial transmission mode, and the positioning rotating assembly and the inner ring and outer ring polishing assembly can synchronously perform directional translation along with the rotation movement of a rotating screw rod of the driving assembly; the inner ring clamping driving mechanism and the outer ring clamping driving mechanism of the positioning rotating assembly are in transmission contact with the inner ring and the outer ring of the bearing sleeve on the same radius line, and are in close contact with the surfaces of the inner ring and the outer ring of the bearing sleeve under the driving of the driving assembly; the inner ring polishing mechanism and the outer ring polishing mechanism of the inner ring polishing assembly are arranged on the same diameter line with the inner ring clamping driving mechanism and the outer ring clamping driving mechanism.

According to a preferred embodiment, the driving assembly comprises a limit groove, a rotary screw, a translation support and a first rotary driving motor, wherein the limit groove is embedded and mounted on the base; the rotary screw is inserted into the limiting groove in a rotating way, and one end of the rotary screw penetrating through the groove wall of the limiting groove is in transmission connection with the first rotary driving motor which is detachably arranged on the groove outer wall of the limiting groove; the rotary screw is sleeved with the translation supporting piece in a partitioning manner, and the translation supporting piece can drive the inner ring clamping driving mechanism, the outer ring clamping driving mechanism, the inner ring polishing mechanism and the outer ring polishing mechanism to conduct directional translation in the axial direction of the rotary screw.

According to a preferred embodiment, the translational support member comprises a first translational support block, a second translational support block, a third translational support block and a fourth translational support block in a manner corresponding to the inner ring clamping driving mechanism, the outer ring clamping driving mechanism, the inner ring polishing mechanism and the outer ring polishing mechanism respectively, the first translational support block, the second translational support block, the third translational support block and the fourth translational support block are sleeved on the rotary screw in a threaded connection manner, and the first translational support block, the second translational support block, the third translational support block and the fourth translational support block can translate in the same direction and/or back direction when the rotary screw rotates.

According to a preferred embodiment, the shaft of the rotary screw is provided with four segments defining a first thread, a second thread, a third thread and a fourth thread of a driving connection between the shaft and the first, second, third and fourth translational support blocks, respectively, wherein the first thread has a screw direction opposite to the screw direction of the second thread.

According to a preferred embodiment, the inner ring clamping driving mechanism comprises a first opposite supporting plate arranged on the first translation supporting block, a second rotary driving motor supported on the first opposite supporting plate, and a first driving roller in transmission connection with an output shaft at the upper end of the axial direction of the second rotary driving motor.

According to a preferred embodiment, the outer ring clamping driving mechanism comprises a second opposite supporting plate arranged on the second translation supporting block, a third rotary driving motor supported on the second opposite supporting plate and a second driving roller in transmission connection with an output shaft at the upper end of the axial direction of the third rotary driving motor.

According to a preferred embodiment, the outer convex cambered surface polishing plate of the inner ring polishing mechanism is abutted against the inner ring surface of the bearing sleeve in a manner that the cambered surface contour is matched with the inner ring contour of the bearing sleeve under the translational driving of the third translational supporting block.

According to a preferred embodiment, the concave cambered surface polishing plate of the outer ring polishing mechanism is abutted against the outer ring surface of the bearing sleeve in a manner that the cambered surface contour is matched with the outer ring contour of the bearing sleeve under the translational driving of the fourth translational supporting block.

According to a preferred embodiment, the midpoint position of the limiting groove is further provided with an auxiliary limiting component, the auxiliary limiting component comprises a door-shaped supporting column, a telescopic supporting rod and an auxiliary limiting mechanism, the door-shaped supporting column, the telescopic supporting rods and the auxiliary limiting mechanism are supported on the limiting groove, the two telescopic supporting rods are symmetrically arranged on two opposite side surfaces of the door-shaped supporting column, and one end, away from the door-shaped supporting column, of the telescopic supporting rod is connected with the auxiliary limiting mechanism capable of supporting and limiting the bearing sleeve.

According to a preferred embodiment, the auxiliary limiting mechanism comprises a connecting plate, an inner ring limiting wheel and a supporting limiting wheel.

The beneficial effects of the utility model are as follows:

according to the utility model, the outer convex cambered surface polishing plate and the inner concave cambered surface polishing plate can be simultaneously attached to the inner ring surface and the outer ring surface of the bearing sleeve, so that when the inner ring clamping driving mechanism and the outer ring clamping driving mechanism drive the bearing sleeve to rotate directionally in a friction driving mode, the bearing sleeve can rotate relative to the outer convex cambered surface polishing plate and the inner concave cambered surface polishing plate, so that the inner ring surface and the outer ring surface of the bearing sleeve are respectively rubbed with the outer convex cambered surface polishing plate and the inner concave cambered surface polishing plate, further, the polishing treatment of the inner ring surface and the outer ring surface of the bearing sleeve is synchronously completed, the simultaneous polishing processing of the inner ring and the outer ring of the bearing sleeve is realized, the polishing processing steps and the dismounting steps are reduced, the processing time cost is shortened, and the processing efficiency is improved.

The outer convex cambered surface polishing plate of the inner ring polishing mechanism and the inner concave cambered surface polishing plate of the outer ring polishing mechanism can simultaneously make abutting contact with the inner ring surface and the outer ring surface of the bearing sleeve at the same position, so that the outer convex cambered surface polishing plate and the inner ring surface of the bearing sleeve can be subjected to polishing treatment and simultaneously can also be used for abutting and limiting the bearing sleeve, the polishing machining position of the bearing sleeve is kept, and the rotation stability of the bearing sleeve is assisted to be improved. According to the utility model, the outer convex cambered surface polishing plate and the inner concave cambered surface polishing plate are elastically abutted against the bearing sleeve, so that the outer convex cambered surface polishing plate and the inner concave cambered surface polishing plate always keep an abutting state with the surfaces of the inner ring and the outer ring of the bearing sleeve under the condition that the outer convex cambered surface polishing plate and the inner concave cambered surface polishing plate reach a set working position, and the defect that the inner ring and the outer ring of the bearing sleeve cannot be effectively polished due to possible fluctuation of the bearing sleeve or limit looseness of the outer convex cambered surface polishing plate and the inner concave cambered surface polishing plate is prevented.

Finally, the first driving roller, the second driving roller, the convex cambered surface polishing plate and the concave cambered surface polishing plate which are positioned on the same straight line can be used for carrying out propping and limiting on the inner and outer surfaces of two symmetrical points of the bearing sleeve, so that the working position of the bearing sleeve can be limited in the process of driving the bearing sleeve to rotate and generating polishing friction, and the stability of the bearing sleeve during processing is ensured, and the processing quality is improved.

Drawings

FIG. 1 is a schematic structural view of a preferred bearing housing inner and outer race synchronous polishing tool according to the present utility model;

FIG. 2 is a schematic view of a preferred bearing housing inner and outer race synchronous polishing tool according to the present utility model;

FIG. 3 is a schematic structural view of the A part of a preferred bearing housing inner and outer race synchronous polishing tool according to the present utility model;

FIG. 4 is a schematic plan view of a preferred bearing housing inner and outer race synchronous polishing tool according to the present utility model;

fig. 5 is a schematic structural view of an auxiliary limiting mechanism of a preferred bearing housing inner and outer race synchronous polishing tool.

List of reference numerals

1: a base; 2: a drive assembly; 3: positioning the rotating assembly; 4: an inner and outer ring polishing assembly; 5: an auxiliary limit component; 6: a bearing sleeve; 21: a limit groove; 22: rotating the screw; 23: translating the support; 24: a first rotary drive motor; 31: an inner ring clamping driving mechanism; 32: an outer ring clamping driving mechanism; 41: an inner ring polishing mechanism; 42: an outer ring polishing mechanism; 51: a gate-type support column; 52: a telescopic support rod; 53: an auxiliary limiting mechanism; 221: a first thread; 222: a second thread; 223: a third thread; 224: a fourth thread; 231: a first translational support block; 232: a second translational support block; 233: a third translational support block; 234: a fourth translational support block; 311: a first opposing support plate; 312: a second rotary drive motor; 313: a first drive roller; 321: a second opposing support plate; 322: a third rotary drive motor; 323: a second drive roller; 411: a first limit housing; 412: a first supporting elastic member; 413: a first support plate; 414: a first support bar; 415: a polishing plate with a convex cambered surface; 421: the second limiting shell; 422: a second supporting elastic member; 423: a second support plate; 424: a second support bar; 425: a polishing plate with a convex cambered surface; 531: a connecting plate; 532: an inner ring limiting wheel; 533: and supporting the limiting wheel.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

The technical solution provided by the present utility model will be described in detail by way of examples with reference to the accompanying drawings. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model. In some instances, some embodiments are not described or described in detail as such, as may be known or conventional in the art.

Furthermore, features described herein, or steps in all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments in addition to mutually exclusive features and/or steps. It will be readily understood by those skilled in the art that the steps or order of operation of the methods associated with the embodiments provided herein may also be varied. Any order in the figures and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated that a certain order is required.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "connected" and "coupled" as used herein, where appropriate (without making up a paradox), include both direct and indirect connections (couplings).

The following detailed description refers to the accompanying drawings.

Example 1

The utility model provides a synchronous polishing tool for the inner and outer rings of a bearing sleeve, which comprises a base 1, a driving assembly 2, a positioning rotating assembly 3, an inner and outer ring polishing assembly 4, an auxiliary limiting assembly 5 and a bearing sleeve 6.

According to one embodiment shown in fig. 1-5, a drive assembly 2 is mounted on a base 1. The driving assembly 2 is connected with the positioning rotating assembly 3 and the inner ring polishing assembly 4 in a coaxial transmission mode, so that the positioning rotating assembly 3 and the inner ring polishing assembly 4 can synchronously perform directional translation along with the rotating motion of the rotating screw 22 of the driving assembly 2, and the bearing sleeve 6 is clamped, positioned and polished to be covered. The driving component 2 is also supported with an auxiliary limiting component 5. The auxiliary limiting assembly 5 can define the machining position of the bearing sleeve 6 in an auxiliary mode, so that the bearing sleeve 6 is positioned, installed and stably machined. The inner ring clamping driving mechanism 31 and the outer ring clamping driving mechanism 32 of the positioning rotating assembly 3 are abutted against the surfaces of the inner ring and the outer ring of the bearing sleeve 6 under the driving of the driving assembly 2 in a manner of being in transmission contact with the points of the inner ring and the outer ring on the same radius line of the bearing sleeve 6. The inner ring polishing mechanism 41 and the outer ring polishing mechanism 42 of the inner and outer ring polishing assembly 4 are arranged on the same diameter line with the inner ring clamping driving mechanism 31 and the outer ring clamping driving mechanism 32, and the double-area opposite threads arranged on the rod body of the rotary screw 22 can synchronously control the same direction or opposite direction movement between the inner ring polishing mechanism 41 and the outer ring polishing mechanism 42 and between the inner ring clamping driving mechanism 31 and the outer ring clamping driving mechanism 32.

Preferably, the drive assembly 2 comprises a limit slot 21, a rotary screw 22, a translation support 23 and a first rotary drive motor 24. Preferably, the limit groove 21 is mounted on the base 1 in a mosaic manner. Further preferably, the rotary screw 22 is rotatably inserted in the limit groove 21, and one end of the rotary screw 22 penetrating the groove wall of the limit groove 21 is in driving connection with the first rotary drive motor 24 detachably provided on the groove outer wall of the limit groove 21. Preferably, the rotary screw 22 is sleeved with a translation supporting piece 23 in a partition manner, wherein the translation supporting piece can drive the inner ring clamping driving mechanism 31, the outer ring clamping driving mechanism 32, the inner ring polishing mechanism 41 and the outer ring polishing mechanism 42 to perform directional translation in the axial direction of the translation supporting piece. Preferably, the translation support 23 is nested in the limit slot 21 in a clearance fit manner, so that the limit slot 21 can define the movable direction of the translation support 23, and thus the translation support 23 cannot rotate along with the rotation screw 22 during the rotation of the rotation screw 22, and the relative rotation between the rotation screw 22 and the translation support is converted into the directional translation along the axial direction of the rotation screw 22 under the limit of the limit slot 21. It is further preferable that the translation support 23 includes a first translation support block 231, a second translation support block 232, a third translation support block 233, and a fourth translation support block 234 in a manner corresponding to the inner ring clamping driving mechanism 31, the outer ring clamping driving mechanism 32, the inner ring polishing mechanism 41, and the outer ring polishing mechanism 42, respectively. Specifically, the first translational supporting block 231, the second translational supporting block 232, the third translational supporting block 233, and the fourth translational supporting block 234 are all sleeved on the rotary screw 22 in a threaded connection manner. The first, second, third and fourth translation supporting blocks 231, 232, 233 and 234 are capable of translating in the same direction and/or back direction upon rotation of the rotary screw 22 such that the inner ring clamping drive mechanism 31, the outer ring clamping drive mechanism 32 abut against the inner and outer ring surfaces of the bearing housing 6 with each other while the inner ring polishing mechanism 41 and the outer ring polishing mechanism 42 abut against the inner and outer ring surfaces of another region of the bearing housing 6. Preferably, the contact positions of the bearing bush 6 and the inner ring clamping driving mechanism 31 and the outer ring clamping driving mechanism 32 are symmetrical to the contact positions of the bearing bush 6 and the inner ring polishing mechanism 41 and the outer ring polishing mechanism 42.

Preferably, four segments of first, second, third and fourth threads 221, 222, 223, 224 are provided on the shaft of the rotary screw 22, which define a driving connection between the shaft and the first, second, third and fourth translational support blocks 231, 232, 233, 234, respectively. It is further preferred that the spiral direction of the first thread 221 is opposite to the spiral direction of the second thread 222, so that when the rotary screw 22 rotates around the self axis, the first translational support block 231 sleeved on the screw section provided with the first thread 221 and the second translational support block 232 sleeved on the screw section provided with the second thread 221 move towards each other or away from each other, and when the two move towards each other, the inner ring clamping driving mechanism 31 and the outer ring clamping driving mechanism 32 driven by the two can make abutting contact with the inner ring surface and the outer ring surface at the same position of the bearing sleeve 6. Preferably, the spiral direction of the third thread 223 is opposite to that of the fourth thread 224, so that when the rotary screw 22 rotates around the self axis, the third translation supporting block 233 sleeved on the screw section provided with the third thread 223 and the fourth translation supporting block 234 sleeved on the screw section provided with the fourth thread 224 move towards or away from each other, and when the two move towards each other, the inner ring polishing mechanism 41 and the outer ring polishing mechanism 42 driven by the two can make abutting contact with the inner ring surface and the outer ring surface at the same position of the bearing sleeve 6. When the rotary screw 22 rotates to make the positioning rotary assembly 3 and the inner ring polishing assembly 4 respectively contact with the surfaces of the bearing sleeve 6, the first translational supporting block 231 and the third translational supporting block 233 abut against two symmetrical inner ring points of the bearing sleeve 6 on the same diameter line in a back-to-back movement mode, so that the bearing sleeve 6 is supported and abutted together for limiting. At the same time, the second translational support block 232 and the fourth translational support block 234 abut against two symmetrical outer ring points of the bearing sleeve 6 on the same diameter line in a manner of opposite movement, so as to jointly press the bearing sleeve 6 against and limit.

Preferably, the inner race clamping driving mechanism 31 includes a first opposing support plate 311 provided on the first translational support block 231, a second rotary drive motor 312 supported on the first opposing support plate 311, and a first drive roller 313 drivingly connected to an axially upper end output shaft of the second rotary drive motor 312. Further preferably, the hard roller core of the first driving roller 313 is wrapped with a roller sleeve capable of increasing the friction coefficient between the hard roller core and the bearing sleeve 6, so that the bearing sleeve 6 can be driven to rotate in the same direction by the rotation generated by the hard roller core. Preferably, the roller sleeve is made of silica gel or plastic with a certain deformable amount, so that the roller sleeve can be sufficiently and effectively abutted against the inner ring of the bearing sleeve 6, and the roller sleeve and the bearing sleeve 6 do not slide relatively to drive the bearing sleeve 6 to rotate at the same frequency.

Preferably, the outer race clamping driving mechanism 32 includes a second opposing support plate 321 provided on the second translational support block 232, a third rotary drive motor 322 supported on the second opposing support plate 321, and a second drive roller 323 in driving connection with an axially upper end output shaft of the third rotary drive motor 322. Further preferably, the hard roller core of the second driving roller 323 is wrapped with a roller sleeve capable of increasing the friction coefficient between the hard roller core and the bearing sleeve 6, so that the bearing sleeve 6 can be driven to rotate in the same direction by the rotation generated by the hard roller core. Preferably, the roller sleeve is made of silica gel or plastic with a certain deformable amount, so that the roller sleeve can be sufficiently and effectively abutted against the outer ring of the bearing sleeve 6, and the roller sleeve and the bearing sleeve 6 are driven to rotate at the same frequency without relative sliding. Further preferably, the first driving roller 313 and the second driving roller 323 can make abutting contact with the inner and outer ring surfaces of the same position of the bearing sleeve 6 at the same time, so that the first driving roller 313 and the second driving roller 323 with opposite rotation directions can drive the bearing sleeve 6 to perform directional rotation by rotational friction, and the first driving roller 313 and the second driving roller 323 respectively abutting against the inner and outer ring surfaces of the bearing sleeve 6 can perform auxiliary limiting on the bearing sleeve 6.

Preferably, the convex arc polishing plate 415 of the inner ring polishing mechanism 41 abuts against the inner ring surface of the bearing housing 6 in such a manner that the arc profile is in conformity with the inner ring profile of the bearing housing 6 under the translational drive of the third translational support block 233. As shown in fig. 3, the inner ring polishing mechanism 41 includes a first limit housing 411, a first support elastic member 412, a first support plate 413, a first support rod 414, and an outer convex arc polishing plate 415. Further preferably, the first limiting housing 411 is horizontally mounted on the third translation supporting block 233, and a first supporting plate 413 which translates along the axial direction thereof is provided in the first limiting housing 411. It is further preferred that a first support elastic member 412 defining an initial operating position of the first support plate 413 in the housing chamber is provided in the housing chamber of the first limit housing 411. Further preferably, the surface of the first support plate 413 is connected with a first support rod 414 in such a manner as to penetrate the wall of the first limit housing 411. Further preferably, an end of the first support rod 414 remote from the first support plate 413 is connected with a convex arc polishing plate 415 capable of matching with an inner ring profile of the bearing housing 6, so that the convex arc polishing plate 415 can abut against an inner ring surface of the bearing housing 6 under directional translation of the third translation support block 233, thereby performing polishing treatment on the inner ring surface of the bearing housing 6 when the bearing housing 6 rotates.

Further preferably, the concave cambered polishing plate 425 of the outer ring polishing mechanism 42 abuts against the outer ring surface of the bearing housing 6 in such a manner that the cambered profile is in conformity with the outer ring profile of the bearing housing 6 under the translational drive of the fourth translational support block 234. As shown in fig. 3, the outer ring polishing mechanism 42 includes a second limit housing 421, a second supporting elastic member 422, a second supporting plate 423, a second supporting rod 424, and an outer convex arc polishing plate 425. Preferably, the second limiting case 421 is horizontally mounted on the fourth translation supporting block 234, and a second supporting plate 423 is provided in the second limiting case 421 to translate in the axial direction thereof. A second supporting elastic member 422 defining an initial operating position of the second supporting plate 423 in the housing is provided in the housing of the second limiting case 421. The surface of the second supporting plate 423 is connected with a first supporting rod 424 in a manner penetrating through the wall of the second limiting case 421. An end of the second support rod 424 remote from the second support plate 423 is connected with a convex arc polishing plate 425 capable of matching with the outer ring profile of the bearing sleeve 6, so that the convex arc polishing plate 425 can abut against the outer ring surface of the bearing sleeve 6 under the directional translation of the fourth translational support block 234, thereby polishing the outer ring surface of the bearing sleeve 6 when the bearing sleeve 6 rotates. Preferably, the convex cambered polishing plate 415 of the inner ring polishing mechanism 41 and the concave cambered polishing plate 425 of the outer ring polishing mechanism 42 can simultaneously make abutting contact with the inner and outer ring surfaces of the same position of the bearing sleeve 6, so that the inner and outer ring surfaces of the bearing sleeve 6 can be polished and simultaneously can also make abutting limit for the bearing sleeve 6, the polishing processing position of the bearing sleeve 6 is maintained, and the rotation stability of the bearing sleeve 6 is assisted to be improved. According to the utility model, the outer convex cambered surface polishing plate 415 and the inner concave cambered surface polishing plate 425 are elastically abutted against the bearing sleeve 6, so that the outer convex cambered surface polishing plate 415 and the inner concave cambered surface polishing plate 425 always keep an abutting state with the inner ring surface and the outer ring surface of the bearing sleeve 6 under the condition that the outer convex cambered surface polishing plate 415 and the inner concave cambered surface polishing plate 425 reach a set working position, and the defect that the inner ring surface and the outer ring surface of the bearing sleeve 6 cannot be effectively polished due to possible fluctuation of the bearing sleeve 6 or limit looseness of the outer convex cambered surface polishing plate 415 and the inner concave cambered surface polishing plate 425 is prevented. In addition, the outer convex cambered surface polishing plate 415 and the inner concave cambered surface polishing plate 425 of the bearing sleeve 6 can be simultaneously attached to the inner ring surface and the outer ring surface of the bearing sleeve 6, so that when the inner ring clamping driving mechanism 31 and the outer ring clamping driving mechanism 32 drive the bearing sleeve 6 to rotate in an oriented manner through friction driving, the bearing sleeve 6 can rotate relative to the outer convex cambered surface polishing plate 415 and the inner concave cambered surface polishing plate 425, the inner ring surface and the outer ring surface of the bearing sleeve 6 respectively rub with the outer convex cambered surface polishing plate 415 and the inner concave cambered surface polishing plate 425, and further the polishing treatment of the inner ring surface and the outer ring surface of the bearing sleeve 6 is synchronously completed, the simultaneous polishing processing of the inner ring and the outer ring of the bearing sleeve 6 is realized, the polishing processing step and the dismounting step are reduced, the processing operation is simplified, the processing time cost is shortened, and the processing efficiency is improved. Finally, the first driving roller 313, the second driving roller 323, the convex arc polishing plate 415 and the concave arc polishing plate 425 which are positioned on the same straight line can abut against and limit the inner and outer surfaces of the two symmetrical points of the bearing sleeve 6, so that the working position of the bearing sleeve 6 can be limited in the process of driving the bearing sleeve 6 to rotate and generate polishing friction, and the stability of the bearing sleeve 6 during processing is ensured, so that the processing quality is improved.

Preferably, the initial distance between the outer arc polishing plate 415 and the center vertical line of the limiting groove 21 in the non-working state, that is, the initial distance between the outer arc polishing plate 415 and the center of the mounted bearing ring 6 is greater than the distance between the outer edge of the first driving roller 313 and the center vertical line of the limiting groove 21, so that the outer arc polishing plate 415 can be abutted against the inner ring surface of the bearing ring 6 with a rebound force under the action of the first supporting elastic member 412, so as to ensure the contact stability of the polishing surfaces of the outer arc polishing plate 415 and the bearing ring 6.

Preferably, the initial distance between the concave arc polishing plate 425 and the center vertical line of the limit groove 21 in the non-working state, that is, the initial distance between the concave arc polishing plate 425 and the center of the mounted bearing ring 6 is smaller than the distance between the inner side edge of the second driving roller 323 and the center vertical line of the limit groove 21, so that the concave arc polishing plate 425 can be abutted against the inner ring surface of the bearing ring 6 with a rebound force under the action of the second supporting elastic member 422, so as to ensure the contact stability of the polishing surfaces of the concave arc polishing plate 425 and the bearing ring 6.

Preferably, the middle point of the limiting groove 21 is also provided with an auxiliary limiting assembly 5. Further preferably, the auxiliary limit assembly 5 includes a door-shaped support post 51 supported on the limit groove 21, a telescopic support rod 52, and an auxiliary limit mechanism 53. Specifically, two sets of telescopic support rods 52 are symmetrically disposed on two opposite sides of the door-shaped support column 51, and one end of the telescopic support rod 52, which is far away from the door-shaped support column 51, is connected with an auxiliary limiting mechanism 53 capable of supporting and limiting the bearing sleeve 6. Preferably, the telescopic support rod 52 is disposed in a manner perpendicular to the rotary screw 22. As shown in fig. 5, the auxiliary stopper 53 includes a connection plate 531, an inner ring stopper wheel 532, and a support stopper wheel 533. The inner ring limit wheel 532 can assist in positioning the machining position of the bearing sleeve 6 by being adjustably abutted against the inner ring surface of the bearing sleeve 6. The supporting and limiting wheel 533 can support the bearing housing 6 at the bottom.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents. Throughout this document, the word "preferably" is used in a generic sense to mean only one alternative, and not to be construed as necessarily required, so that the applicant reserves the right to forego or delete the relevant preferred feature at any time.

Claims (10)

1. The synchronous polishing tool for the inner ring and the outer ring of the bearing sleeve comprises a base (1) and is characterized in that,

a driving component (2) is arranged on the base (1), the driving component (2) is connected with a positioning rotating component (3) and an inner ring polishing component (4) in a coaxial transmission mode, and the positioning rotating component (3) and the inner ring polishing component (4) can synchronously perform directional translation along with the rotation movement of a rotating screw rod (22) of the driving component (2);

an inner ring clamping driving mechanism (31) and an outer ring clamping driving mechanism (32) of the positioning rotating assembly (3) are in transmission contact with the inner ring and the outer ring of the bearing sleeve (6) under the driving of the driving assembly (2) in a manner that the inner ring and the outer ring of the bearing sleeve (6) can be positioned on the same radius line;

the inner ring polishing mechanism (41) and the outer ring polishing mechanism (42) of the inner ring polishing assembly (4) are arranged on the same diameter line with the inner ring clamping driving mechanism (31) and the outer ring clamping driving mechanism (32).

2. The bearing housing inner and outer race synchronous polishing tool of claim 1, wherein the drive assembly (2) comprises a limit groove (21), a rotary screw (22), a translational support (23) and a first rotary drive motor (24), wherein,

the limiting groove (21) is embedded and arranged on the base (1);

the rotary screw (22) is rotatably inserted into the limit groove (21), and one end of the rotary screw (22) penetrating through the groove wall of the limit groove (21) is in transmission connection with the first rotary driving motor (24) detachably arranged on the groove outer wall of the limit groove (21);

the rotary screw (22) is sheathed with the translation supporting piece (23) which can drive the inner ring clamping driving mechanism (31), the outer ring clamping driving mechanism (32), the inner ring polishing mechanism (41) and the outer ring polishing mechanism (42) to directionally translate in the axial direction.

3. The bearing housing inner and outer ring synchronous polishing tool as claimed in claim 2, wherein the translational support (23) comprises a first translational support block (231), a second translational support block (232), a third translational support block (233) and a fourth translational support block (234) in a manner corresponding to the inner ring clamping driving mechanism (31), the outer ring clamping driving mechanism (32), the inner ring polishing mechanism (41) and the outer ring polishing mechanism (42), respectively, the first translational support block (231), the second translational support block (232), the third translational support block (233) and the fourth translational support block (234) are sleeved on the rotary screw (22) in a threaded connection manner, and the first translational support block (231), the second translational support block (232), the third translational support block (233) and the fourth translational support block (234) can translate in the same direction and/or back direction when the rotary screw (22) rotates.

4. The bearing housing inner and outer race synchronous polishing tool of claim 3, wherein four segments of first threads (221), second threads (222), third threads (223) and fourth threads (224) are respectively arranged on the shaft rod of the rotary screw rod (22) and define transmission connection between the shaft rod and the first translation supporting block (231), the second translation supporting block (232), the third translation supporting block (233) and the fourth translation supporting block (234),

the first thread (221) has a spiral direction opposite to that of the second thread (222).

5. The bearing housing inner and outer race synchronous polishing tool as set forth in claim 4 wherein said inner race clamping drive mechanism (31) comprises a first counter support plate (311) disposed on said first translational support block (231), a second rotary drive motor (312) supported on said first counter support plate (311), and a first drive roller (313) drivingly connected to an axially upper output shaft of said second rotary drive motor (312).

6. The bearing housing inner and outer race synchronous polishing tool as set forth in claim 5 wherein said outer race clamping drive mechanism (32) comprises a second opposed support plate (321) disposed on said second movable support block (232), a third rotary drive motor (322) supported on said second opposed support plate (321), and a second drive roller (323) in driving connection with an axially upper output shaft of said third rotary drive motor (322).

7. The bearing sleeve inner and outer ring synchronous polishing tool according to claim 6, wherein the outer convex cambered polishing plate (415) of the inner ring polishing mechanism (41) is abutted against the inner ring surface of the bearing sleeve (6) in a manner that the cambered profile is matched with the inner ring profile of the bearing sleeve (6) under the translational driving of the third translational supporting block (233).

8. The bearing housing inner and outer ring synchronous polishing tool as claimed in claim 7, wherein the concave cambered polishing plate (425) of the outer ring polishing mechanism (42) abuts against the outer ring surface of the bearing housing (6) in a manner that the cambered profile is matched with the outer ring profile of the bearing housing (6) under the translational drive of the fourth translational support block (234).

9. The synchronous polishing tool for the inner ring and the outer ring of the bearing sleeve according to claim 8, wherein an auxiliary limiting component (5) is further arranged at the midpoint of the limiting groove (21),

the auxiliary limiting assembly (5) comprises a door-shaped supporting column (51), a telescopic supporting rod (52) and an auxiliary limiting mechanism (53) which are supported on a limiting groove (21), wherein two groups of telescopic supporting rods (52) are symmetrically arranged on two opposite side surfaces of the door-shaped supporting column (51), and one end, far away from the door-shaped supporting column (51), of the telescopic supporting rod (52) is connected with the auxiliary limiting mechanism (53) which can support and limit the bearing sleeve (6).

10. The bearing housing inner and outer race synchronous polishing tool of claim 9 wherein the auxiliary spacing mechanism (53) comprises a connection plate (531), an inner race spacing wheel (532), and a support spacing wheel (533).