CN209737379U

CN209737379U - Synthetic composite material bearing channel grinding wheel

Info

Publication number: CN209737379U
Application number: CN201920507619.XU
Authority: CN
Inventors: 张玉; 程顺利; 程倩钰
Original assignee: Zhengzhou Abrasive & Grinder Co Ltd
Current assignee: Zhengzhou Abrasive & Grinder Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2019-12-06
Anticipated expiration: 2029-04-16

Abstract

The utility model relates to a bearing channel grinding equipment technical field just discloses a synthetic combined material bearing channel emery wheel, including the axis of rotation, the fastening hole has been seted up in the front of axis of rotation, the keyway has been seted up at the top of axis of rotation front end, the bottom surface fixed mounting bottom plate of keyway, the top surface fixed mounting of bottom plate has the stand, the quantity of stand is three, and is three the stand is evenly distributed, centre at the length direction of the top surface of bottom plate along the bottom plate the circumference surface fixed coupling of stand has connect the spring, the roof has been cup jointed in the top activity that the circumference surface of stand just is located the spring. This kind of synthetic combined material bearing channel grinds wheel, after the keyway produced direction of height's loss, spring return part elastic deformation upwards promoted the roof along the stand, until again with the upper groove contact fixed, realize the effect of automatic compensation keyway loss, guarantee also can firmly fix between emery wheel and the axis of rotation after the keyway wearing and tearing.

Description

Synthetic composite material bearing channel grinding wheel

Technical Field

The utility model relates to a bearing channel grinding equipment technical field specifically is a synthetic combined material bearing channel grinds wheel.

Background

The bearing channel grinding wheel is a grinding wheel used for a centerless bearing internal circular grinder, is usually fixed or rotates in the opposite direction of the rotation of a bearing, and the channel of the bearing is molded and ground by means of friction between the circumferential surface and the inner wall of the bearing.

Common bearing channel emery wheel relies on the key to be fixed mutually with the live axle mostly, because the grinding machine relies on be that the friction between emery wheel and the work piece is processed, consequently when live time overlength, epaxial keyway in the rotation can produce the deformation of direction of height because the combined action of emery wheel and key, the size of height increase of keyway promptly, therefore can't ensure the firm of emery wheel installation, and present emery wheel is that the synthetic material granule that accords with of high strength bonds and forms, the circumference surface of emery wheel produces wearing and tearing after long-time the use, can make the diameter of emery wheel reduce, can't polish with the work piece contact, can only change whole emery wheel again, the cost is higher.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

the utility model provides a not enough to prior art, the utility model provides a synthetic combined material bearing channel dull polish wheel, possess the flexible key of automatic adjustment formula, height that can the automatic compensation wearing and tearing when keyway wearing and tearing grow, guarantee the firm of emery wheel installation, the double-deck formula emery wheel, only need change the outer lane emery wheel when changing the emery wheel, need not to change advantages such as whole emery wheel is whole, it is firm that common bearing channel dull polish wheel can't ensure the emery wheel installation after the keyway warp to have solved, can only whole problem of changing after the emery wheel wearing and tearing, the cost is higher.

(II) technical scheme

For realize the flexible key of above-mentioned infiltration automatic adjustment formula, can the automatic compensation wearing and tearing when keyway wearing and tearing grow height, guarantee firm, the double-deck formula emery wheel reduce cost of emery wheel installation, only need change the outer lane emery wheel when changing the emery wheel, need not to change whole emery wheel whole mesh, the utility model provides a following technical scheme: a grinding wheel for bearing channels made of synthetic composite materials comprises a rotating shaft, wherein the front surface of the rotating shaft is provided with a fastening hole, the top of the front end of the rotating shaft is provided with a key groove, the bottom surface of the key groove is fixedly provided with a bottom plate, the top surface of the bottom plate is fixedly provided with three upright columns, the three upright columns are uniformly distributed on the top surface of the bottom plate along the length direction of the bottom plate, the circumferential surface of the upright column is fixedly sleeved with a spring in the middle, the circumferential surface of the upright column is movably sleeved with a top plate at the top of the spring, the circumferential surface of the front end of the rotating shaft is fixedly sleeved with an inner sleeve, the top of the front surface of the inner sleeve is provided with an upper groove, the top surface of the upper groove is fixedly connected with the top surface of the top plate, the grinding wheel is characterized in that threaded through holes are formed in the circumferential outer surface of the outer ring grinding wheel, the number and the positions of the threaded through holes correspond to those of the threaded blind holes respectively, fastening screws are installed on the inner walls of the threaded through holes and the threaded blind holes and are located on the top surface threads of the threaded through holes, grinding bars are fixedly installed on the circumferential outer surface of the outer ring grinding wheel and on the front side and the rear side of the threaded through holes, and the grinding bars are made of high-hardness heat-resistant cubic boron nitride composite grinding bars.

Preferably, the top surface of the base plate is lower than the upper edge of the key way.

Preferably, the number of the upright posts is three, and the three upright posts are uniformly distributed on the top surface of the bottom plate along the length direction of the bottom plate.

Preferably, the spring is in a compressed state.

Preferably, the number of the threaded blind holes is three, and the three threaded blind holes are uniformly distributed by taking the axis of the inner sleeve as the center.

Preferably, an end cover is fixedly arranged on the front face of the rotating shaft and positioned on the front faces of the inner sleeve and the outer ring grinding wheel, an unthreaded hole is formed in the front face of the end cover, the diameter and the position of the unthreaded hole correspond to those of the fastening hole, and a limiting screw is arranged on the unthreaded hole, the inner wall of the fastening hole and the front face of the unthreaded hole in a threaded manner.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. This kind of synthetic combined material bearing channel grinds wheel, after the keyway produced direction of height's loss, spring return part elastic deformation promoted the roof upwards along the stand, until again with the last recess contact, and fixed, realize the effect of automatic compensation keyway loss, guarantee also can be firmly fixed between emery wheel and the axis of rotation after the keyway wearing and tearing.

2. This kind of combined material bearing channel grinds wheel, fixed connection between endotheca and the axis of rotation, through screw fixed connection between endotheca and the outer lane emery wheel, what actually played the processing effect is the grinding strip that sets up on the outer lane emery wheel, effective reduce cost, after the grinding strip produces wearing and tearing, the screw of back-screwing out, it can to change the outer lane emery wheel, need not to change whole emery wheel.

drawings

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

FIG. 2 is a schematic diagram of the overall structure of the present invention;

Fig. 3 is a sectional view of the structure wheel fixing structure of the present invention.

In the figure: 1. a rotating shaft; 101. a keyway; 102. a fastening hole; 2. a base plate; 3. a column; 4. a spring; 5. a top plate; 6. an inner sleeve; 601. an upper groove; 602. a threaded blind hole; 7. an outer ring grinding wheel; 701. a threaded through hole; 702. fastening screws; 703. grinding the strips; 8. an end cap; 801. a light hole; 9. and a limiting screw.

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.

Referring to fig. 1-3, a composite material bearing channel grinding wheel comprises a rotating shaft 1, a fastening hole 102 is formed in the front surface of the rotating shaft 1, a key groove 101 is formed in the top of the front end of the rotating shaft 1, a bottom plate 2 is fixedly installed on the bottom surface of the key groove 101, the top surface of the bottom plate 2 is lower than the upper edge of the key groove 101, so that the subsequent component installation is prevented from being influenced, three upright columns 3 are fixedly installed on the top surface of the bottom plate 2, the three upright columns 3 are uniformly distributed on the top surface of the bottom plate 2 along the length direction of the bottom plate 2, so that the tangential force can be uniformly borne, springs 4 are fixedly sleeved on the circumferential surface of the middle upright column 3, the springs 4 are in a compression state, loss compensation can be realized, a top plate 5 is movably sleeved on the circumferential surface of the upright columns 3 and positioned at the top, an inner sleeve 6 is fixedly sleeved on the circumferential surface at the front end of a rotating shaft 1, an upper groove 601 is formed in the top of the front face of the inner sleeve 6, the top face of the upper groove 601 is fixedly connected with the top face of a top plate 5, so that the inner sleeve 6 and the rotating shaft 1 are relatively fixed, threaded blind holes 602 are formed in the circumferential outer surface of the inner sleeve 6, the number of the threaded blind holes 602 is three, the three threaded blind holes 602 are uniformly distributed by taking the axis of the inner sleeve 6 as the center, an outer ring grinding wheel 7 is fixedly sleeved on the circumferential outer surface of the inner sleeve 6, threaded through holes 701 are formed in the circumferential outer surface of the outer ring grinding wheel 7, the number and the positions of the threaded through holes 701 correspond to those of the threaded blind holes 602 respectively, firm fixation between the outer ring grinding wheel 7 and the inner sleeve 6 is ensured, fastening screws 702 are installed on the threads on the inner walls of the threaded through holes 701 and the threaded blind, the grinding strip 703 is made of a high-hardness heat-resistant cubic boron nitride composite grinding strip, an end cover 8 is fixedly arranged on the front face of the rotating shaft 1 and on the front faces of the inner sleeve 6 and the outer ring grinding wheel 7, so that the inner sleeve 6 and the outer ring grinding wheel 7 are prevented from being separated from the rotating shaft 1, a unthreaded hole 801 is formed in the front face of the end cover 8, the diameter and the position of the unthreaded hole 801 correspond to those of the fastening hole 102, a limit screw 9 is arranged on the inner walls of the unthreaded hole 801 and the fastening hole 102 and on the front face of the unthreaded hole 801 in a threaded manner, and the end cover 8 is fixedly connected with the rotating.

The working principle is as follows: the rotating shaft 1 rotates to drive the grinding strip 703 on the outer ring grinding wheel 7 to contact with a workpiece and grind the workpiece, when the key groove 101 and the upper groove 601 are abraded in the height direction, the spring 4 restores part of elastic deformation to push the top plate 5 upwards along the upright post 3 until the top plate 5 is contacted and fixed with the top surface of the upper groove 601 again, automatic compensation loss is realized, when the grinding strip 703 is abraded, the limit screw 9 is screwed out, the fixed connection between the end cover 8 and the rotating shaft 1 is removed, then the fastening screw 702 is screwed out, the outer ring grinding wheel 7 is replaced, then the fastening screw 702 is screwed back, the end cover 8 and the rotating shaft 1 are fixed again through the limit screw 9, and replacement is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also 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 for simplicity of description, and do not indicate or imply that the equipment 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. In addition, in the drawings of the present invention, the filling pattern is only for distinguishing the pattern layer, and is not limited to any other pattern.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a synthetic combined material bearing channel grinding wheel, includes axis of rotation (1), its characterized in that: the front surface of the rotating shaft (1) is provided with a fastening hole (102), the top of the front end of the rotating shaft (1) is provided with a key groove (101), the bottom surface of the key groove (101) is fixedly provided with a bottom plate (2), the top surface of the bottom plate (2) is fixedly provided with upright columns (3), the number of the upright columns (3) is three, the three upright columns (3) are uniformly distributed on the top surface of the bottom plate (2) along the length direction of the bottom plate (2), the circumferential surface of the upright column (3) is fixedly sleeved with a spring (4), the circumferential surface of the upright column (3) is movably sleeved with a top plate (5) positioned at the top of the spring (4), the circumferential surface of the front end of the rotating shaft (1) is fixedly sleeved with an inner sleeve (6), the front top of the inner sleeve (6) is provided with an upper groove (601), and the top surface of the upper groove (, the grinding wheel is characterized in that a threaded blind hole (602) is formed in the outer circumferential surface of the inner sleeve (6), an outer ring grinding wheel (7) is fixedly sleeved on the outer circumferential surface of the inner sleeve (6), threaded through holes (701) are formed in the outer circumferential surface of the outer ring grinding wheel (7), the number and the positions of the threaded through holes (701) correspond to those of the threaded blind hole (602), fastening screws (702) are installed on the inner walls of the threaded through holes (701) and the threaded blind hole (602) and located on the top surface of the threaded through holes (701) in a threaded mode, grinding bars (703) are fixedly installed on the outer circumferential surface of the outer ring grinding wheel (7) and located on the front side and the rear side of the threaded through holes (701) in a threaded mode, and the grinding bars (703) are.

2. A composite bearing grooved grinding wheel as claimed in claim 1 wherein: the top surface of the bottom plate (2) is lower than the upper edge of the key groove (101).

3. A composite bearing grooved grinding wheel as claimed in claim 1 wherein: the quantity of stand (3) is three, three stand (3) are evenly distributed along the length direction of bottom plate (2) at the top surface of bottom plate (2).

4. A composite bearing grooved grinding wheel as claimed in claim 1 wherein: the spring (4) is in a compressed state.

5. A composite bearing grooved grinding wheel as claimed in claim 1 wherein: the number of the threaded blind holes (602) is three, and the three threaded blind holes (602) are uniformly distributed by taking the axis of the inner sleeve (6) as the center.

6. A composite bearing grooved grinding wheel as claimed in claim 1 wherein: an end cover (8) is fixedly mounted on the front face of the rotating shaft (1) and located on the front faces of the inner sleeve (6) and the outer ring grinding wheel (7), an unthreaded hole (801) is formed in the front face of the end cover (8), the diameter and the position of the unthreaded hole (801) correspond to the diameter and the position of the fastening hole (102), and a limiting screw (9) is mounted on the inner walls of the unthreaded hole (801) and the fastening hole (102) and located on the front face of the unthreaded hole (801) in a threaded mode.