CN214980154U

CN214980154U - Bearing inner race polishing frock

Info

Publication number: CN214980154U
Application number: CN202121631318.1U
Authority: CN
Inventors: 陈松; 何再俊; 张武兴
Original assignee: Hefei Jiexin Bearing Co ltd
Current assignee: Hefei Jiexin Bearing Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-03
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a bearing inner race polishing frock relates to bearing processing technology field, including frock main part, polishing piece and bearing inner race, the outside top surface of frock main part is provided with first carousel and second carousel, polishes the piece and passes through first positioning mechanism fixed mounting at first carousel upper surface, and the bearing inner race passes through second positioning mechanism fixed mounting at second carousel upper surface. The utility model drives the first turntable and each second turntable to rotate simultaneously through one motor, so that the polishing piece can uniformly polish and polish the surfaces of a plurality of bearing outer rings simultaneously, and the polishing efficiency is accelerated; the second positioning mechanism can position the bearing outer rings with different sizes, the polishing piece is convenient to replace, the bearing outer rings with different sizes can be processed, and the practicability of the device is greatly improved; the heat generated by the motor can be dissipated in time through the heat dissipation holes, and each component is convenient to inspect, maintain and repair through the maintenance window.

Description

Bearing inner race polishing frock

Technical Field

The utility model relates to a bearing processing technology field particularly, relates to a bearing inner race polishing frock.

Background

Polishing refers to a process of reducing the roughness of a workpiece surface by mechanical, chemical, or electrochemical actions to obtain a bright, flat surface. A bearing is a mechanical element that limits relative motion to a desired range of motion and reduces friction between moving parts.

The application number is CN 202020807930.9's chinese patent, has proposed a burnishing machine for bearing processing, belongs to the bearing processing field, including fixed bearing structure, drive structure, polishing structure, four bearing inner circle limit structure and bearing upper end limit structure, fixed bearing structure is the square box-like, and fixed bearing structure steadily installs subaerial, drive structure installs in the inside bottom of fixed bearing structure, polishing structure installs at the inside and shell top surface of shell, four the mutual symmetry of bearing inner circle limit structure is installed on polishing structure, the top surface at the shell is installed to bearing upper end limit structure.

However, the device proposed in this patent has the following problems: this burnishing machine is used in bearing processing's polishing mill size is fixed, and the distance between driven spindle and the initiative pivot is fixed in addition for bearing inner circle limit structure department of driven spindle upper end can only fix the bearing of single size, greatly reduced the practicality of device, make the unable wide use of this burnishing machine, and this burnishing machine is used in bearing processing's driving motor setting in airtight environment, be not convenient for in time overhaul and the heat dissipation, cause the damage easily.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a bearing inner race polishing frock to overcome the above-mentioned technical problem that current correlation technique exists.

The technical scheme of the utility model is realized like this:

a bearing outer ring polishing tool comprises a tool main body, a polishing piece and a bearing outer ring, wherein a first rotary plate and a second rotary plate are arranged on the top surface of the outer portion of the tool main body, the first rotary plate is arranged in the center of the top surface of the tool main body, the second rotary plate is arranged around the first rotary plate in a surrounding mode, the polishing piece is fixedly arranged on the upper surface of the first rotary plate through a first positioning mechanism, the bearing outer ring is fixedly arranged on the upper surface of the second rotary plate through a second positioning mechanism, the surface of the bearing outer ring is tangent to the surface of the polishing piece, a first rotary shaft and a second rotary shaft are respectively arranged at the lower ends of the first rotary plate and the second rotary plate, a driving gear and a driven gear are respectively fixedly sleeved on the surfaces of the first rotary shaft and the second rotary shaft, the driven gear is meshed with the driving gear, and a motor is fixedly arranged at the bottom end of the first rotary shaft, the motor is arranged in a mounting groove formed in the bottom surface inside the tool main body.

Further, first positioning mechanism includes first locating piece, double-screw bolt and set nut, first locating piece fixed mounting be in first carousel upper surface, the double-screw bolt sets up first locating piece top, the set nut spiro union is in the double-screw bolt surface.

Furthermore, a positioning hole penetrates through the surface of the polishing piece, the polishing piece is sleeved on the surface of the first positioning block through the positioning hole, and the upper end face and the lower end face of the polishing piece are respectively attached to the surface of the positioning nut and the surface of the first turntable.

Further, second positioning mechanism includes a fixed section of thick bamboo, installing port, electricity jar and second locating piece, a fixed section of thick bamboo fixed mounting be in the second carousel upper surface, the installing port is evenly respectively fixed section of thick bamboo surface, the stiff end of electricity jar all sets up inside a fixed section of thick bamboo, the expansion end of electricity jar runs through respectively the installing port and second locating piece fixed connection, second locating piece one side set to cambered surface and cambered surface with the internal surface of bearing inner race is tangent.

Further, a first bearing is arranged at the upper end of the first rotating shaft and is arranged inside a first through hole formed in the top surface of the tool main body, second bearings are arranged at the upper end and the lower end of the second rotating shaft and are respectively arranged inside a second through hole formed in the top surface of the tool main body and a groove formed in the bottom surface of the tool main body.

Further, the surface of the side wall of the tool main body is provided with heat dissipation holes and an overhaul window, the heat dissipation holes are evenly distributed, and the overhaul window can be opened and closed.

The utility model has the advantages that: by means of the technical scheme of the utility model, the bearing outer ring with the same size is placed on the upper surface of each second turntable, the bearing outer ring is sleeved outside the second positioning blocks, the electric cylinders are started, the movable ends of all the electric cylinders extend out to drive each second positioning block to move towards the outer ring until the cambered surfaces of the second positioning blocks respectively support against the inner ring surface of the bearing outer ring with certain pressure, and the positioning of the bearing outer ring can be completed; selecting a polishing piece, sleeving the polishing piece on the surface of the first positioning block through the positioning hole to ensure that the surface of the bearing outer ring is tangent to the surface of the polishing piece, and screwing the positioning nut to fix the polishing piece between the positioning nut and the first rotating disc; the starter motor, the motor drives first pivot and rotates, under driving gear and driven gear's meshing transmission cooperation, drive each second pivot and rotate, and then drive first carousel and each second carousel rotation simultaneously, under the screens cooperation of locating hole and first locating piece, polish the piece and can keep synchronous rotation with first carousel when first carousel rotates, polish and polish to bearing inner race on every side, and bearing inner race also keeps synchronous rotation with the second carousel, make each region of bearing inner race surface can both be polished by polishing the piece polishing and polish. The utility model discloses a motor drives first carousel and each second carousel rotation simultaneously, and polishing piece and bearing inner race firmly install respectively in first carousel and second carousel upper end for polishing piece can carry out even polishing to the surface of a plurality of bearing inner race simultaneously, accelerates polishing efficiency; the second positioning mechanism can position the bearing outer rings with different sizes, and the polishing piece is convenient to replace, so that the polishing tool can process the bearing outer rings with different sizes, and the practicability of the device is greatly improved; in addition, the side wall surface of the tool main body is provided with the heat dissipation holes and the maintenance window, so that heat generated by the motor can be dissipated in time, and the components inside the tool main body can be conveniently inspected, maintained and repaired through the maintenance window.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic structural view of a part of an assembly according to an embodiment of the present invention;

FIG. 3 is a top view of a polishing element and bearing cup according to an embodiment of the present invention;

figure 4 is a cross-sectional view of a tool body according to an embodiment of the present invention;

FIG. 5 is a schematic view of a first positioning mechanism and a polishing member according to an embodiment of the present invention;

fig. 6 is an exploded view of a second positioning mechanism according to an embodiment of the present invention.

In the figure:

1. a tool main body; 2. a first turntable; 3. a second turntable; 4. a polishing member; 5. a first positioning mechanism; 6. a bearing outer race; 7. a second positioning mechanism; 8. a first rotating shaft; 9. a second rotating shaft; 10. a driving gear; 11. a driven gear; 12. a motor; 13. mounting grooves; 14. positioning holes; 15. a first bearing; 16. a first through hole; 17. a second bearing; 18. a second through hole; 19. a groove; 20. heat dissipation holes; 21. an inspection window; 22. a first positioning block; 23. a stud; 24. positioning a nut; 25. a fixed cylinder; 26. an installation port; 27. an electric cylinder; 28. and a second positioning block.

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 all belong to the protection scope of the present invention.

According to the utility model discloses an embodiment provides a bearing inner race polishing frock.

As shown in FIGS. 1-6, a bearing outer ring polishing tool according to an embodiment of the present invention comprises a tool main body 1, a polishing member 4 and a bearing outer ring 6, wherein the tool main body 1 is provided with a first turntable 2 and a second turntable 3 on the top surface, the first turntable 2 is disposed at the center of the top surface of the tool main body 1, the second turntable 3 is disposed around the first turntable 2, the polishing member 4 is fixedly mounted on the upper surface of the first turntable 2 by a first positioning mechanism 5, the bearing outer ring 6 is fixedly mounted on the upper surface of the second turntable 3 by a second positioning mechanism 7, the surface of the bearing outer ring 6 is tangent to the surface of the polishing member 4, the lower ends of the first turntable 2 and the second turntable 3 are respectively provided with a first rotating shaft 8 and a second rotating shaft 9, the surfaces of the first rotating shaft 8 and the second rotating shaft 9 are respectively and fixedly sleeved with a driving gear 10 and a driven gear 11, the driven gear 11 is both meshed with the driving gear 10, the bottom end of the first rotating shaft 8 is fixedly provided with a motor 12, and the motor 12 is arranged in a mounting groove 13 formed in the bottom surface inside the tool main body 1.

In one embodiment, for the first positioning mechanism 5, the first positioning mechanism 5 includes a first positioning block 22, a stud 23 and a positioning nut 24, the first positioning block 22 is fixedly mounted on the upper surface of the first turntable 2, the stud 23 is disposed at the top end of the first positioning block 22, and the positioning nut 24 is screwed on the surface of the stud 23.

In an embodiment, for the polishing element 4, the surface of the polishing element 4 is provided with the positioning hole 14 in a penetrating manner, the polishing element 4 is sleeved on the surface of the first positioning block 22 through the positioning hole 14, so that under the clamping cooperation of the positioning hole 14 and the first positioning block 22, the polishing element 4 can keep rotating synchronously with the first rotating disc 2 when the first rotating disc 2 rotates, the surrounding bearing outer ring 6 is polished, the upper end face and the lower end face of the polishing element 4 are respectively attached to the positioning nut 24 and the surface of the first rotating disc 2, the polishing element 4 is fixed between the positioning nut 24 and the first rotating disc 2, and the polishing element 4 can be detached and replaced by unscrewing the positioning nut 24.

In an embodiment, for the second positioning mechanism 7, the second positioning mechanism 7 includes a fixed cylinder 25, an installation opening 26, an electric cylinder 27 and a second positioning block 28, the fixed cylinder 25 is fixedly installed on the upper surface of the second turntable 3, the installation openings 26 are uniformly and respectively located on the surface of the fixed cylinder 25, fixed ends of the electric cylinder 27 are all disposed inside the fixed cylinder 25, movable ends of the electric cylinder 27 respectively penetrate through the installation opening 26 and the second positioning block 28 to be fixedly connected, one side of the second positioning block 28 is disposed to be an arc surface, and the arc surface is tangent to the inner surface of the bearing outer ring 6, so that the arc surfaces of all the second positioning blocks 28 jointly abut against the inside of the bearing outer ring 6 to position the bearing outer ring, the movable ends of the electric cylinder 27 can extend and retract to drive the second positioning block 28 to move, so that the second positioning block 28 can adjust the positioning range, and further position the bearing outer rings 6 with different sizes.

In an embodiment, for the first rotating shaft 8, a first bearing 15 is disposed at an upper end of the first rotating shaft 8, the first bearing 15 is disposed inside a first through hole 16 formed in the top surface of the tool main body 1, second bearings 17 are disposed at upper and lower ends of the second rotating shaft 9, and the second bearings 17 are disposed inside a second through hole 18 formed in the top surface of the tool main body 1 and a groove 19 formed in the bottom surface of the tool main body 1, respectively, so that when the motor 12 drives the first rotating shaft 8 and the plurality of second rotating shafts 9 to rotate simultaneously, under the action of the first bearing 15 and the second bearings 17, abrasion caused by rotation can be effectively reduced.

In an embodiment, for the tool body 1, the heat dissipation holes 20 and the maintenance windows 21 are formed in the sidewall surface of the tool body 1, the heat dissipation holes 20 are uniformly distributed to timely dissipate heat of the motor 12, and the maintenance windows 21 can be opened and closed to facilitate inspection, maintenance and repair of components inside the tool body 1.

In summary, with the aid of the technical solution of the present invention, the bearing outer ring 6 with the same size is placed on the upper surface of each second rotating disc 3, the bearing outer ring 6 is sleeved outside the second positioning blocks 28, the electric cylinders 27 are started, the movable ends of all the electric cylinders 27 extend out to drive each second positioning block 28 to move towards the outer ring until the arc surfaces of the second positioning blocks 28 respectively abut against the inner ring surface of the bearing outer ring 6 with a certain pressure, and thus the positioning of the bearing outer ring 6 can be completed; selecting a polishing piece 4, sleeving the polishing piece 4 on the surface of a first positioning block 22 through a positioning hole 14, ensuring that the surface of a bearing outer ring 6 is tangent to the surface of the polishing piece 4, and screwing a positioning nut 24 to fix the polishing piece 4 between the positioning nut 24 and a first rotating disc 2; starting motor 12, motor 12 drives first pivot 8 and rotates, under the meshing transmission cooperation of driving gear 10 and driven gear 11, drive each second pivot 9 and rotate, and then drive first carousel 2 and each second carousel 3 simultaneously and rotate, under the screens cooperation of locating hole 14 and first locating piece 22, polishing piece 4 can keep synchronous rotation with first carousel 2 when first carousel 2 rotates, polish and polish to bearing outer lane 6 on every side, and bearing outer lane 6 also keeps synchronous rotation with second carousel 3, make each region of 6 surfaces of bearing outer lane can both be polished by polishing piece 4 polishing.

Has the advantages that: the utility model discloses a motor drives first carousel and each second carousel rotation simultaneously, and polishing piece and bearing inner race firmly install respectively in first carousel and second carousel upper end for polishing piece can carry out even polishing to the surface of a plurality of bearing inner race simultaneously, accelerates polishing efficiency; the second positioning mechanism can position the bearing outer rings with different sizes, and the polishing piece is convenient to replace, so that the polishing tool can process the bearing outer rings with different sizes, and the practicability of the device is greatly improved; in addition, the side wall surface of the tool main body is provided with the heat dissipation holes and the maintenance window, so that heat generated by the motor can be dissipated in time, and the components inside the tool main body can be conveniently inspected, maintained and repaired through the maintenance window.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bearing inner race polishing frock, includes: frock main part (1), polishing piece (4) and bearing inner race (6), its characterized in that, frock main part (1) outside top surface is provided with first carousel (2) and second carousel (3), first carousel (2) set up frock main part (1) top surface central authorities department, second carousel (3) encircle to set up around first carousel (2), polishing piece (4) through first positioning mechanism (5) fixed mounting in first carousel (2) upper surface, bearing inner race (6) through second positioning mechanism (7) fixed mounting in second carousel (3) upper surface, bearing inner race (6) surface with polishing piece (4) surface is tangent, first carousel (2) with second carousel (3) lower extreme is provided with first pivot (8) and second pivot (9) respectively, first pivot (8) with second pivot (9) surface is fixed cup jointed driving gear(s) respectively, (drive gear), (2) and second pivot (9) surface are cup jointed 10) And driven gear (11), driven gear (11) all with driving gear (10) meshing, first pivot (8) bottom fixed mounting has motor (12), motor (12) set up inside mounting groove (13) that frock main part (1) inside bottom surface was seted up.

2. The bearing outer ring polishing tool according to claim 1, wherein the first positioning mechanism (5) comprises a first positioning block (22), a stud (23) and a positioning nut (24), the first positioning block (22) is fixedly mounted on the upper surface of the first rotary table (2), the stud (23) is arranged at the top end of the first positioning block (22), and the positioning nut (24) is screwed on the surface of the stud (23).

3. The bearing outer ring polishing tool according to claim 2, wherein a positioning hole (14) penetrates through the surface of the polishing piece (4), the polishing piece (4) is sleeved on the surface of the first positioning block (22) through the positioning hole (14), and the upper end face and the lower end face of the polishing piece (4) are respectively attached to the surface of the positioning nut (24) and the surface of the first rotating disc (2).

4. The bearing outer ring polishing tool according to claim 1, wherein the second positioning mechanism (7) comprises a fixed cylinder (25), a mounting port (26), an electric cylinder (27) and a second positioning block (28), the fixed cylinder (25) is fixedly mounted on the upper surface of the second turntable (3), the mounting ports (26) are uniformly and respectively formed in the surface of the fixed cylinder (25), the fixed end of the electric cylinder (27) is arranged inside the fixed cylinder (25), the movable end of the electric cylinder (27) respectively penetrates through the mounting port (26) and the second positioning block (28) and is fixedly connected with the same, and one side of the second positioning block (28) is provided with an arc surface which is tangent to the inner surface of the bearing outer ring (6).

5. The bearing outer ring polishing tool according to claim 1, characterized in that a first bearing (15) is arranged at the upper end of the first rotating shaft (8), the first bearing (15) is arranged in a first through hole (16) formed in the top surface of the tool main body (1), second bearings (17) are arranged at the upper end and the lower end of the second rotating shaft (9), and the second bearings (17) are respectively arranged in a second through hole (18) formed in the top surface of the tool main body (1) and a groove (19) formed in the bottom surface of the tool main body (1).

6. The bearing outer ring polishing tool according to claim 1, wherein heat dissipation holes (20) and maintenance windows (21) are formed in the surface of the side wall of the tool body (1), the heat dissipation holes (20) are uniformly distributed, and the maintenance windows (21) can be opened and closed.