CN107775537B

CN107775537B - Bearing grinding device

Info

Publication number: CN107775537B
Application number: CN201711229971.3A
Authority: CN
Inventors: 张媛; 许鸿杰; 张益明
Original assignee: Chongqing Shuigong Machinery Co ltd
Current assignee: Chongqing Shuigong Machinery Co ltd
Priority date: 2017-11-29
Filing date: 2017-11-29
Publication date: 2023-07-04
Anticipated expiration: 2037-11-29
Also published as: CN107775537A

Abstract

The invention discloses a bearing polishing device which comprises a polishing mechanism and a circulating cooling system, wherein the polishing mechanism comprises a workbench, an outer ring polisher and an inner ring polisher, and the inner ring polisher and the outer ring polisher are driven to reversely rotate through a linkage piece; the linkage piece comprises a planetary gear, and the planetary gear comprises a driving wheel for driving the inner ring sander to rotate and an inner gear ring for driving the outer ring sander to rotate; the inner ring sander comprises a turntable driven by the driving wheel to rotate, a plurality of inner ring sanding blades arranged at the edge of the turntable and an adjusting piece for driving each inner ring sanding blade to simultaneously slide inwards or outwards along the radial direction of the turntable; the circulating cooling system comprises an annular spray pipe, a liquid storage tank and a separator for collecting scrap iron in the cooling liquid; compared with the prior art, the invention improves the polishing efficiency and the processing quality of the bearing and reduces the waste of cooling liquid.

Description

Bearing grinding device

Technical Field

The invention relates to the field of automobile part machining equipment, in particular to a bearing polishing device.

Background

The bearing is an important part in modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the motion process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, the bearing is supported by the action of the mechanical rotating body, namely the bearing is used for bearing a shaft in a literal explanation, but the bearing is only a part of the action of the mechanical rotating body, the bearing can bear radial load, the bearing can be also understood to be used for fixing a shaft, the general flow of bearing processing is to carry out bearing steel raw materials, turning into an inner sleeve, an outer sleeve and a bead blank, heat treatment and grinding into finished materials (the grinding process is to carry out internal grinding, external grinding and centerless grinding), the structure of the traditional bearing processing equipment is complex, the control operation is inconvenient, the equipment is not stable in operation and the processing efficiency is low in the processing process, and a large amount of heat is generated by the bearing and the processing setting in the processing process, so that the processing quality of the bearing is affected.

Summary of the invention

Aiming at the defects in the prior art, the invention aims to provide a bearing polishing device so as to solve the problems that in the prior art, the control operation is inconvenient, equipment is not stable in operation and low in processing efficiency during bearing processing, and the quality of products is influenced due to a large amount of heat generated in the bearing processing process.

In order to achieve the above purpose, the present invention adopts the following technical scheme: the bearing polishing device comprises a polishing mechanism and a circulating cooling system for cooling the bearing in the polishing process, wherein the polishing mechanism comprises a workbench, an outer ring polisher and an inner ring polisher, the outer ring polisher and the inner ring polisher are rotatably arranged on the workbench, a fixing mechanism for fixing the bearing is arranged between the outer ring polisher and the inner ring polisher on the workbench, and the inner ring polisher and the outer ring polisher are driven to reversely rotate through a linkage piece;

the linkage piece comprises a planetary gear which is rotationally arranged in a cavity formed in the workbench, wherein the planetary gear comprises a driving wheel which is positioned in the middle and used for driving the inner ring sander to rotate and an inner gear ring which takes the driving wheel as the center and is used for driving the outer ring sander to rotate;

the inner ring sander comprises a rotary table driven by the driving wheel to rotate, a plurality of inner ring sanding blades arranged at the edge of the rotary table along the circumferential direction of the rotary table, and an adjusting piece for driving each inner ring sanding blade to simultaneously slide inwards or outwards along the radial direction of the rotary table;

the circulating cooling system comprises an annular spray pipe arranged above the outer ring sander and the inner ring sander, a liquid storage tank arranged in the workbench and used for collecting cooling liquid for cooling the bearing, and a separator used for collecting scrap iron in the cooling liquid.

Compared with the prior art, the invention has the following beneficial effects:

1. the inner gear ring is driven to rotate in different rotation directions by the driving wheel of the planetary gear, so that the inner ring sander and the outer ring sander are driven to polish the inner surface of the inner ring and the outer surface of the outer ring of the bearing simultaneously from opposite directions, and therefore polishing force in opposite directions is applied, and polishing high efficiency is improved;

2. the positions of the inner ring polishing blades are adjusted simultaneously through the adjusting piece, so that the bearing polishing device is convenient and quick, the bearing polishing device is beneficial to installation and removal in the bearing processing process, and bearings with different sizes can be polished through the adjustment of the inner ring polishing blades;

3. the bearing and the polishing blade in the processing process are cooled through the cooling liquid sprayed out of the annular spray pipe, damage to the bearing or the polishing blade caused by overheating is avoided, scraps generated in the processing process are taken away by the cooling liquid, and the cooling liquid is recycled after the scrap iron is collected by the separator, so that waste of the cooling liquid is reduced.

Drawings

FIG. 1 is a schematic view of a bearing grinding apparatus according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is a schematic view of the upper surface of the table of FIG. 1;

FIG. 5 is a schematic view of the planetary gear of FIG. 1;

fig. 6 is a cross-sectional view of the arcuate abutment of fig. 1.

Detailed Description

The invention is described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a workbench 1, a driving wheel 2, a driving wheel 3, an inner gear ring 4, a power mechanism 5, an outer ring sander 6, a rotary table 7, an inner ring sanding blade 8, an adjusting column 9, an arc-shaped supporting block 10, a connecting rod 11, an elastic piece 12, a liquid storage tank 13, an annular pipe 14, a liquid inlet channel 15, a material inlet and outlet pipe 16, a stop block 17 and a separation iron ball 18.

Examples

Referring to fig. 1 to 6, it is shown that: the utility model provides a bearing grinding device, including grinding machanism and circulation cooling system, grinding machanism includes workstation 1, the cavity is opened at the middle part in the workstation 1, install planetary gear in the cavity, planetary gear is including being located action wheel 2 at the middle part and action wheel 2 is the ring gear 4 that the center rotated and is set up, rotate between action wheel 2 and the ring gear 4 and be provided with a plurality of drive wheels 3, every drive wheel 3 all meshes with action wheel 2 and ring gear 4, the middle part of the middle part drive wheel 3 of every drive wheel 3 all is opened along its axial and is had first runner through-hole, it has the second runner through-hole with the cavity intercommunication in the workstation 1 to open on the workstation 1 directly over the first runner through-hole, the aperture wall of second runner through-hole lower extreme is less than the aperture of first runner through-hole upper end, the downside middle part of action wheel 2 is connected with power unit 5, power unit 5 can be the motor, the upside middle part of action wheel 2 is connected with the inner circle sander that rotates and set up at workstation 1 upper surface through a plurality of spliced pole, the upper surface of ring gear 4 is connected with the annular sander 6 that rotates and sets up at workstation 1 upper surface, the sander 6 is located the inner circle sander 6 and is located the fixed position of the outer race 6 and is located the fixed bearing clamp 6 and is fixed in the fixed position of the outer race 1 (the bearing clamp 6 is located down) between the fixed position of the bearing clamp 1 and the fixed position of the bearing clamp 1).

The inner ring sander comprises a rotary table 7 connected to the upper end of a rotary shaft, a plurality of inner ring sanding blades 8 arranged on the edge of the rotary table 7 along the circumferential direction of the rotary table, and an adjusting piece, wherein the number of the inner ring sanding blades 8 in the embodiment is 6, the inner ring sanding blades 8 are arc-shaped and connected to form a circle, the adjusting piece comprises a mounting groove which is formed in the center of the rotary table 7 and is in a round table shape, and an adjusting column 9 which is rotationally arranged in the mounting groove, the adjusting column 9 comprises a circular adjusting plate on the upper side and the lower side, the two circular adjusting plates are connected through a connecting rod, the middle part of the connecting rod is connected with a plurality of arc-shaped propping blocks 10 which are arranged along the circumferential direction of the connecting rod, the arc-shaped propping blocks 10 are 6, a lantern ring which is positioned on the arc-shaped propping blocks 10 is slidably arranged on the connecting rod, a plurality of elastic sliding pieces 6 are connected in the circumferential direction of the connecting rod, the elastic sliding pieces comprise a sliding groove which is formed in the upper surface of the rotary table 7, a connecting rod 11 which is arranged in the sliding block in the sliding groove along the mounting groove, one end of the connecting rod 11 is communicated with the outer side of the mounting groove, the other end of the connecting rod 8 is connected with one end of the inner ring 8, the other end of the connecting rod 11 is connected with the connecting rod 12 through the connecting rod, and the arc-shaped propping blocks 12 can be elastically connected with the connecting rod 12, and the arc-shaped supporting pieces 12 are elastically arranged, and the elastic pieces can be restored; the adjusting column 9 is rotationally arranged in the mounting groove through the round adjusting plates at the upper side and the lower side, the adjusting column 9 is prevented from falling off from the mounting groove, the adjusting column 9 is rotated, each arc-shaped supporting block 10 is in sliding contact with the connecting rod 11 which is matched with the adjusting column, and the sliding distance between each connecting rod 11 and the connecting rod is driven to slide in the sliding groove which is matched with the arc-shaped supporting block 10 because the distances between each edge of the arc-shaped supporting block 10 and the connecting rod are different, the inner ring polishing blade 8 is driven to slide towards the direction of the outer ring polisher 6, and the sliding distance between the inner ring polishing blade 8 is adjusted according to the size of a bearing; the adjusting column 9 is reversely rotated, the elastic piece 12 is contracted, the connecting rod 11 is driven to slide in the sliding groove towards the direction close to the mounting groove, and the position of the inner ring polishing blade 8 is adjusted by the cooperation of the elastic sliding piece and the arc-shaped abutting block 10; the arrangement of the collar prevents the elastic element 12 from being distorted during rotation of the adjustment post 9.

The circulating cooling system comprises an annular spray pipe, a liquid storage tank 13 and a separator which are fixedly arranged above the space between the outer ring sander 6 and the inner ring sander; the annular spray pipe comprises an annular pipe 14 and a plurality of pairs of spray heads which are arranged along the annular shape, the spray nozzles of each pair of spray heads are arranged in a tilting way in opposite directions, and the positions of the spray nozzles of the spray heads are arranged so that the cooling liquid sprayed from the spray heads can be sprayed on the inner ring polishing blade 8, the outer ring polisher 6 and the bearing, and the cooling liquid is prevented from splashing outwards; the liquid storage tank 13 is arranged in the workbench 1 and is positioned below a cavity opened in the workbench 1, the liquid storage tank 13 is communicated with the cavity through a liquid inlet channel 15 opened in the workbench 1, cooling liquid in the liquid storage tank 13 is pumped into the annular pipe 14 through a pressure pump, a groove positioned between the liquid storage tank 13 and the cavity is opened on the side wall of the workbench 1, a liquid inlet and outlet pipe 16 communicated with the liquid inlet channel 15 is rotatably arranged in the groove, a stop block 17 rotatably arranged on the channel wall of the liquid inlet channel 15 is arranged below the liquid inlet and outlet pipe 16, one end of the stop block 17 is positioned in the liquid inlet channel 15, the other end of the stop block 17 is positioned below the liquid inlet and outlet pipe 16, a spring is connected between the liquid inlet and outlet pipe 16 and one side of the stop block 17 positioned outside the liquid inlet channel 15, a separation iron ball 18 is arranged above the stop block 17, through holes which are mutually communicated and are in a net shape are arranged in the separation iron ball 18, the feed-in and discharge pipe 16 is arranged to facilitate the addition of the separated iron balls 18 into the feed-in and discharge pipe 15 and the replacement of the separated iron balls 18, the separated iron balls 18 are rotated upwards, the separated iron balls 18 are added into the feed-in and discharge pipe 15 from the feed-in and discharge pipe 16, meanwhile, the feed-in and discharge pipe 16 drives the stop block 17 to rotate downwards, after the separated iron balls 18 enter the feed-in and discharge pipe 15, the stop block 17 forms a support to prevent the separated iron balls 18 from entering the liquid storage tank 13 from the feed-in pipe 15, when the separated iron balls 18 adsorb the iron filings in the cooling liquid flowing from the feed-in and discharge pipe 15 to reach saturation, the stop block 17 rotates upwards to jack the separated iron balls 18 into the feed-in and discharge pipe 16 from the feed-in and discharge pipe 16 under the self gravity, the through hole in the separated iron balls 18 facilitates the cooling liquid to enter the liquid storage tank 13, and recycling.

During the use, fix the bearing through fixed establishment, after adjusting the position of inner circle polishing blade 8 through adjusting post 9, start power unit 5 and force pump, outer lane sander 6 and inner circle sander reverse rotation, inner circle and outer lane to the bearing polish simultaneously, force pump is with the coolant liquid in reservoir 13 suction annular spray tube in discharge, cool off bearing, outer lane sander 6 and inner circle sander, and take away the iron fillings that will produce through the coolant liquid, the coolant liquid that contains the iron fillings gets into the cavity through feed liquor passageway 15 after entering the second flow passage through hole, when drive wheel 3 rotates to the second flow passage through hole under, directly get into feed liquor passageway 15 through first flow passage through hole, and the structure setting of second flow passage through hole and first flow passage through hole is favorable to the coolant liquid to pass through fast.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims

1. The bearing polishing device is characterized by comprising a polishing mechanism and a circulating cooling system for cooling the bearing in the polishing process, wherein the polishing mechanism comprises a workbench, an outer ring polisher and an inner ring polisher which are rotatably arranged on the workbench, a fixing mechanism for fixing the bearing is arranged between the outer ring polisher and the inner ring polisher on the workbench, and the inner ring polisher and the outer ring polisher are driven to reversely rotate through a linkage piece;

2. A bearing grinding apparatus as defined in claim 1, wherein: the adjusting piece comprises a mounting groove which is formed in the center of the turntable and is in a circular truncated cone shape and an adjusting column which is rotatably arranged in the mounting groove, the adjusting column comprises a connecting rod, a plurality of arc-shaped propping blocks which are arranged along the center circumference of the connecting rod and are in one-to-one fit with the inner ring polishing blades are arranged on the connecting rod, a lantern ring is sleeved on the connecting rod in a sliding manner, and the lantern ring is connected with each inner ring polishing blade in one-to-one fit through a plurality of elastic sliding pieces; the adjusting column is rotated, and the inner ring polishing blade is driven to slide along the radial direction of the turntable through the arc-shaped abutting block and the elastic sliding piece.

3. A bearing grinding apparatus as defined in claim 2, wherein: the elastic sliding piece comprises a sliding groove formed in the upper surface of the rotary table and a connecting rod arranged in the sliding groove in a sliding clamping mode, one end of the connecting rod is connected with the inner ring polishing blade, the other end of the connecting rod is connected with the lantern ring through the elastic piece, and the connecting rod is further in sliding propped against the arc-shaped propping block.

4. A bearing grinding apparatus as defined in claim 1, wherein: the separator comprises a liquid inlet channel which is arranged in the workbench and used for collecting cooling liquid for bearing cooling and a separation iron ball which is arranged in the liquid inlet channel, wherein the liquid inlet channel is communicated with the liquid storage tank and the cavity in the workbench, and through holes which are mutually communicated and distributed in a net shape are arranged in the separation iron ball.

5. A bearing grinding apparatus as defined in claim 4, wherein: the side wall of the workbench is provided with a groove positioned above the liquid storage tank, a feeding and discharging pipe communicated with the liquid inlet channel is rotationally arranged in the groove, a stop block rotationally arranged on the channel wall of the liquid inlet channel is arranged below the feeding and discharging pipe, one end of the stop block is positioned in the liquid inlet channel, the other end of the stop block is positioned below the feeding and discharging pipe, and a spring is connected between the feeding and discharging pipe and one side of the stop block outside the liquid inlet channel.

6. A bearing grinding apparatus as defined in claim 4 or 5, wherein: the annular spray pipe comprises an annular pipe and a plurality of pairs of spray heads which are arranged in an annular mode, and the spray nozzles of each pair of spray heads are obliquely arranged in opposite directions.

7. The bearing grinding apparatus defined in claim 6 wherein: the planetary gear further comprises a plurality of driving wheels positioned between the driving wheel and the internal gear, the middle parts of the driving wheels are respectively provided with a first flow passage through hole along the axial direction of the driving wheels, the driving wheels are respectively positioned below the position between the outer ring sander and the inner ring sander, and a second flow passage through hole communicated with a cavity in the workbench is arranged on the workbench right above the first flow passage through holes.