CN215659332U

CN215659332U - Bearing inner and outer ring grinding and feeding device

Info

Publication number: CN215659332U
Application number: CN202121315360.2U
Authority: CN
Inventors: 侯建立; 罗存
Original assignee: Linxi Delida Bearing Co ltd
Current assignee: Linxi Delida Bearing Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-28
Anticipated expiration: 2031-06-11

Abstract

The utility model provides a bearing inner and outer ring grinding and feeding device, which belongs to the technical field of bearing processing and comprises a plurality of lifting columns, a rotating table and a picking roller assembly, wherein the lifting columns can vertically extend and retract to lift; the rotating platform is arranged at the upper ends of the lifting columns and can rotate circumferentially in the horizontal plane; choose the rod subassembly to locate on the rotation end of revolving stage and can rotate with the help of the revolving stage, choose to wear to establish on the rod subassembly and wait to the grinding machine material loading in a row a plurality of bearings inner and outer lane to can pass in proper order the grinding machine with the help of lift post and revolving stage in a row a plurality of bearings inner and outer lane on, artifical to need with the bearing inner and outer lane wear choose the rod subassembly can. The bearing inner and outer ring grinding and feeding device provided by the utility model has the technical effects of simple feeding operation to a grinding machine tool, low labor intensity, low possibility of fatigue after long-time operation and no influence on working efficiency.

Description

Bearing inner and outer ring grinding and feeding device

Technical Field

The utility model belongs to the technical field of bearing processing, and particularly relates to a bearing inner and outer ring grinding and feeding device.

Background

The inner ring and the outer ring of the bearing are both circular rings, and are required to be ground when the inner ring and the outer ring of the bearing are manufactured, the inner ring and the outer ring of the bearing are ground into workpieces meeting the processing quality requirement, and the workpieces are usually processed on a grinding machine tool. When the grinding machine needs to be fed, a ram or a stick is manually used for penetrating through the rows of the inner and outer rings of the bearing and then delivered to the feeding position of the grinding machine to be further ground. The manual work needs to often carry out actions such as bending down, turning around, and is easy to be tired after long-time operation, and intensity of labour is big, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bearing inner and outer ring grinding and feeding device, and aims to solve the technical problems that the labor intensity of manual feeding operation of a picking roller to a grinding machine tool is high, fatigue is easy to occur after long-time operation, and the working efficiency is influenced.

In order to achieve the purpose, the utility model adopts the technical scheme that: the bearing inner and outer ring grinding and feeding device comprises a plurality of lifting columns, a rotating table and a picking roller assembly, wherein the lifting columns can vertically extend and descend; the rotating platform is arranged at the upper ends of the lifting columns and can rotate circumferentially in the horizontal plane; choose the rod subassembly to locate the rotatory of revolving stage is served and can be with the help the revolving stage is rotatory, it wears to establish to wait to the interior outer lane of a plurality of bearings of in bank of grinding machine bed material loading on the rod subassembly to choose, and with the help the lift post with the revolving stage can deliver to the grinding machine bed in proper order with the interior outer lane of a plurality of bearings of in bank.

In a possible implementation manner, the bearing inner and outer ring grinding and feeding device further comprises a pulley arranged at the bottom end of the lifting column, a driving motor used for driving the pulley to advance is arranged in the pulley, a brake is further arranged on the pulley, and the brake is used for braking the pulley to advance.

In a possible implementation manner, the stick picking assembly comprises a support column, a plurality of picking sticks and an ejector rod, wherein the support column is vertically arranged at the rotating end of the rotating table; a plurality of picking rods are uniformly distributed on the outer circumference of the supporting column, one end of each picking rod is hinged to the supporting column, the other end of each picking rod is a free end, the picking rods are enclosed into a ring shape, a row of a plurality of bearing inner and outer rings are arranged on the picking rods in a penetrating mode, the picking rods rotate in a vertical plane and are perpendicular to a rotating plane of the rotating table, an included angle between the axial direction of the picking rods and the axial direction of the supporting column can be adjusted, and the picking rods can face a grinding machine tool by means of rotation of the rotating table and are used for delivering the bearing inner and outer rings to the grinding machine tool; one end of the ejector rod is hinged with the picking rod, and the other end of the ejector rod is hinged with the supporting column and used for ejecting the picking rod to rotate.

In a possible implementation, the inner of choosing the rod is equipped with the telescopic link along its extension line, the one end of telescopic link with the support column is articulated, the other end with choose rod inner fixed connection, the telescopic link is scalable and adjustable choose the rod with the support column interval.

In a possible implementation mode, the upper end of the supporting column is provided with a poking assembly used for poking the inner and outer rings of the bearings on the poking rod to sequentially deliver to the grinding machine tool.

In a possible implementation manner, the poking assembly comprises an auxiliary rotating table, a supporting frame and a poking rod, wherein the auxiliary rotating table is arranged at the upper end of the supporting column and can circumferentially rotate in a horizontal plane; the supporting frame is horizontally arranged and positioned above the picking rod, one end of the supporting frame is fixedly arranged on the rotating end of the auxiliary rotating table, and the other end of the supporting frame is a free end; the shifting rod is arranged at the bottom end of the support frame in a sliding mode along the length direction of the support frame, the picking rod is horizontal, and when the sliding direction of the shifting rod is parallel to the axial direction of the picking rod, the shifting rod is used for sequentially shifting the inner ring and the outer ring of the plurality of bearings in a row to be delivered to a grinding machine tool.

In a possible implementation manner, a long strip-shaped through hole penetrating through the support frame in the vertical direction is formed in the support frame along the length direction of the support frame, a driver is arranged at the upper end of the support frame, a driving rod is arranged at the power output end of the driver, the driving rod vertically penetrates through the long strip-shaped through hole, the lower end of the driving rod is fixedly connected with the shifting rod, and the driving rod slides in the long strip-shaped through hole in a reciprocating mode and can push the shifting rod to slide by means of the driver.

In a possible implementation manner, the driver comprises a motor, a driving wheel, a driven wheel and a transmission chain wrapped on the driving wheel and the driven wheel, the driving wheel and the driven wheel are chain wheels, and the upper end of the driving rod is fixedly connected to the transmission chain and slides by means of the transmission chain.

In a possible implementation mode, the support frame bottom is equipped with the slide rail, the driving lever include with slide rail sliding connection's slider, locate the flexible post of slider bottom and locate the sword of dialling of flexible post bottom, the height of dialling the sword with the help of flexible post is adjusted, it is used for on the rod is chosen to the outside-in proper order to dial the bearing inner and outer lane to the grinding machine tool.

In a possible implementation mode, a photovoltaic power supply assembly is arranged at the upper end of the pulley and used for collecting solar energy, storing electric energy and supplying power to the driving motor.

The bearing inner and outer ring grinding and feeding device provided by the utility model has the beneficial effects that: compared with the prior art, the bearing inner and outer ring grinding and feeding device comprises a plurality of lifting columns, a rotating table and a picking roller assembly, wherein the lifting columns can vertically extend and descend; the rotating platform is arranged at the upper ends of the lifting columns and can rotate circumferentially in the horizontal plane; choose the rod subassembly to locate the rotation of revolving stage is served and can be with the help the revolving stage is rotatory, choose to wear to establish on the rod subassembly and remain to the grinding machine material loading in a row a plurality of bearings inner and outer lane, and with the help of the lift post with the revolving stage can pass in a row a plurality of bearings inner and outer lane in proper order to the grinding machine, artifical to need with the bearing inner and outer lane wear choose the rod subassembly on can, it is big to grinding machine material loading operation intensity of labour to have solved artifical with choosing the rod, easy fatigue after the long-time operation, the technical problem who influences work efficiency has to grinding machine material loading easy operation, artifical intensity of labour is little, long-time operation back is indefatigable, does not influence work efficiency's technological effect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions 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 it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a bearing inner and outer race grinding and feeding device provided in an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a toggle assembly of the bearing inner and outer ring grinding and feeding device provided by the embodiment of the utility model;

fig. 3 is a schematic diagram of a state that the bearing inner and outer rings are fully loaded on the pick-up roller of the bearing inner and outer ring grinding and feeding device provided by the embodiment of the utility model and are delivered to a grinding machine tool (a broken line rectangular frame in the figure represents the grinding machine tool).

Description of reference numerals:

1. a lifting column; 2. a rotating table; 3. a stick picking assembly; 31. a support pillar; 32. selecting a stick; 33. pushing the ejector rod; 34. a telescopic rod; 4. a pulley; 5. a drive motor; 6. a traveling wheel; 7. the component is stirred; 71. a secondary rotating table; 72. a support frame; 73. a deflector rod; 731. a slider; 732. a telescopic column; 733. poking a knife; 74. a strip-shaped through hole; 75. a driver; 751. a motor; 752. a driving wheel; 753. a driven wheel; 754. a conveyor chain; 76. a drive rod; 77. a slide rail; 8. photovoltaic power supply subassembly.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to fig. 3, a bearing inner and outer race grinding and feeding device according to the present invention will now be described. The bearing inner and outer ring grinding and feeding device comprises a plurality of lifting columns 1, a rotating table 2 and a picking roller assembly 3, wherein the plurality of lifting columns 1 can vertically extend and descend; the rotating platform 2 is arranged at the upper ends of the lifting columns 1 and can rotate circumferentially in a horizontal plane; choose rod subassembly 3 to locate on the rotatory end of revolving stage 2 and can rotate with the help of revolving stage 2, choose to wear to establish on the rod subassembly 3 and wait to the interior outer lane of a plurality of bearings in a row of grinding machine material loading to can deliver the interior outer lane of a plurality of bearings in a row to the grinding machine in proper order with the help of lifting column 1 and revolving stage 2 on the grinding machine.

Compared with the prior art, the bearing inner and outer ring grinding and feeding device provided by the utility model comprises a plurality of lifting columns 1, a rotating table 2 and a picking roller assembly 3, wherein the lifting columns 1 can be vertically stretched and lifted, the rotating table 2 is arranged at the upper ends of the lifting columns 1 and can circumferentially rotate in a horizontal plane, the picking roller assembly 3 is arranged at the rotating end of the rotating table 2 and can rotate by means of the rotating table 2, a row of a plurality of bearing inner and outer rings to be fed to a grinding machine tool are arranged on the picking roller assembly 3 in a penetrating manner, the row of the plurality of bearing inner and outer rings can be sequentially delivered to the grinding machine tool by means of the lifting columns 1 and the rotating table 2, the bearing inner and outer rings are manually penetrated on the picking roller assembly 3, the technical problems that the labor intensity of manual picking roller feeding operation to the grinding machine tool is high, the fatigue is easy to occur after long-time operation, and the working efficiency is influenced are solved, the feeding operation to the grinding machine tool is simple, the labor intensity of workers is low, the workers are not easy to fatigue after long-time operation, and the technical effect of the working efficiency is not influenced.

Put in proper order a plurality of bearing inner and outer races in a row through manual work or machinery and choose the roller assembly on, can make this moment choose rod assembly 3 to be ascending slope form, the blowing of being convenient for like this, after choosing rod assembly 3 and go up to fill bearing inner and outer races, through many lifting columns 1 of operation and revolving stage 2, can make and choose rod assembly 3 towards grinding machine tool to conveniently deliver, lifting column 1 is electronic flexible member.

The operation of the lifting columns 1 and the rotating platform 2 can be externally connected with a control panel or a remote controller, and the respective operation of the lifting columns 1 and the rotating platform 2 can be directly controlled through the operation of the control panel, and finally the lifting columns 1 and the rotating platform 2 are delivered to a grinding machine tool.

In some embodiments, referring to fig. 1 to 3, the bearing inner and outer race grinding and feeding device further includes a pulley 4 disposed at the bottom end of the plurality of lifting columns 1, a driving motor 5 for driving the pulley 4 to move is disposed in the pulley 4, and a brake is disposed on the pulley 4 for braking the pulley 4 to move. Driving motor 5 can be ordinary motor or gear motor, and the bottom of coaster 4 is equipped with a plurality of walking wheels 6, and driving motor 5 is connected with walking wheels 6 to can make coaster 4 roll subaerial, and then can drive coaster 4 and advance or shift position, be convenient for in different positions to choosing roller assembly 3 on the suit bearing inner and outer lane, and deliver to the grinding machine bed in different positions.

In some embodiments, referring to fig. 1 to 3, the picking roller assembly 3 includes a supporting column 31, a plurality of picking rollers 32 and an ejector rod 33, wherein the supporting column 31 is vertically disposed on the rotating end of the rotating platform 2; a plurality of picking rods 32 are uniformly distributed on the outer circumference of the supporting column 31, one end of each picking rod is hinged to the supporting column 31, the other end of each picking rod is a free end, the plurality of picking rods 32 are enclosed into a ring shape, a row of a plurality of bearing inner and outer rings are arranged on each picking rod 32 in a penetrating mode, each picking rod 32 rotates in a vertical plane and is perpendicular to a rotating plane of the rotating table 2, an included angle between the axial direction of each picking rod 32 and the axial direction of the supporting column 31 can be adjusted, and each picking rod 32 can face a grinding machine tool by means of the rotation of the rotating table 2 and is used for delivering the bearing inner and outer rings to the grinding machine tool; one end of the ejector rod 33 is hinged with the picking stick 32, and the other end is hinged with the supporting column 31, and is used for ejecting the picking stick 32 to rotate.

Specifically, the catch bar is an electric telescopic rod member, can be telescopic, and further plays a role in pushing and adjusting the rotating position of the picking stick 32, so that manual work or machinery is convenient for sleeving the inner ring and the outer ring of the bearing on the picking stick 32. Under the circumstances, the rotation range of the picking rod 32 is limited, and the picking rod rotates in the space above the horizontal plane, if the picking rod 32 rotates in the space below the horizontal plane, the bearing inner ring and the bearing outer ring cannot be sleeved on the picking rod 32, or the bearing inner ring and the bearing outer ring on the picking rod 32 slide off, so that the use is influenced.

In some embodiments, referring to fig. 1 to 3, an extension rod 34 is disposed on an inner end of the picking stick 32 along an extension line thereof, one end of the extension rod 34 is hinged to the supporting column 31, and the other end is fixedly connected to the inner end of the picking stick 32, and the extension rod 34 is retractable and can adjust a distance between the picking stick 32 and the supporting column 31. The telescopic link 34 is two sections of end to end and can peg graft flexible member each other, and telescopic link 34 can be spacing after flexible, when choosing the distance that rod 32 delivered to the grinding machine tool on can not satisfy the demands, or when the bearing inner and outer lane drops from choosing rod 32 easily when delivering, the length of telescopic link 34 is adjusted to the accessible, makes the output card of choosing rod 32 advance the material loading end of grinding machine tool, just so can not take place above-mentioned phenomenon.

Normally, 10-20 bearing inner and outer rings can be prevented on one picking roller 32, and the picking roller 32 can be filled up according to the actual condition and the width of the bearing inner and outer rings no matter the number of the bearing inner and outer rings.

In some embodiments, referring to fig. 1 to 3, the upper end of the supporting column 31 is provided with a toggle assembly 7 for toggling the inner and outer races of the bearings on the pick roller 32 to be sequentially delivered to the grinding machine. Stir the length of subassembly 7 and be greater than the length of choosing rod 32, can satisfy and stir or dial the material to choosing the bearing inner and outer lane of rod 32 last different positions, when choosing rod 32 not in the horizontal plane, the adjustable contained angle of choosing between rod 32 and the support column 31, or the position of choosing rod 32 of solitary regulation, when the axial that satisfies to choose rod 32 and stir the parallel condition of subassembly 7 length direction, the accessible is stirred subassembly 7 and is stirred the bearing inner and outer lane that is located on choosing rod 32 and is delivered or the material loading to the grinding machine bed.

In some embodiments, referring to fig. 1 to 3, the toggle assembly 7 includes a secondary rotating platform 71, a supporting frame 72 and a toggle lever 73, the secondary rotating platform 71 is disposed at the upper end of the supporting column 31 and can rotate circumferentially in the horizontal plane; the supporting frame 72 is horizontally arranged and positioned above the picking stick 32, one end of the supporting frame is fixedly arranged on the rotating end of the auxiliary rotating table 71, and the other end of the supporting frame is a free end; the shifting rod 73 is arranged at the bottom end of the support frame 72 in a sliding mode along the length direction of the support frame 72, and when the picking rod 32 is horizontal and the sliding direction of the shifting rod 73 is parallel to the axial direction of the picking rod 32, the shifting rod 73 is used for sequentially shifting a row of inner and outer rings of a plurality of bearings to be delivered to a grinding machine tool.

The rotary table 2 and the sub-rotary table 71 are both electric rotary tables 2 used in the prior art, and can rotate in the circumferential direction and perform the operation of transferring the inner and outer races of the bearing to the grinding machine. The lower end of the deflector rod 73 is triangular, and can be inserted between the inner ring and the outer ring of the two bearings and can deflect the inner ring and the outer ring of the bearing positioned at the outer side to be delivered to a grinding machine tool. When not poked once, the poking rod 73 slides on the supporting frame 72 for a distance, which is the placement distance of the inner and outer rings of the two bearings on the poking rod 32.

In some embodiments, referring to fig. 1 to 3, the supporting frame 72 is provided with a long through hole 74 vertically penetrating through the supporting frame 72 along the length direction thereof, the upper end of the supporting frame 72 is provided with a driver 75, the power output end of the driver 75 is provided with a driving rod 76, the driving rod 76 vertically penetrates through the long through hole 74, and the lower end thereof is fixedly connected with the driving lever 73, and the driving rod 76 slides in the long through hole 74 in a reciprocating manner by means of the driver 75 and can push the driving lever 73 to slide.

In some embodiments, referring to fig. 1 to 3, the driver 75 includes a motor 751, a driving wheel 752, a driven wheel 753, and a transmission chain 754 wrapped around the driving wheel 752 and the driven wheel 753, wherein the driving wheel 752 and the driven wheel 753 are both chain wheels, and the upper end of the driving rod 76 is fixed to the transmission chain 754 and slides by means of the transmission chain 754. The upper end of the driving rod 76 is fixedly connected with the chain below the transmission chain 754, after the transmission chain 754 rotates circularly, the distance of the circular transmission of the transmission chain 754 is the length of the long strip-shaped through hole 74 usually, and the driver 75 can enable the shifting rod 73 to slide, so that the shifting position of the inner ring and the outer ring of the bearing can be controlled.

In some embodiments, referring to fig. 1 to 3, the bottom end of the supporting frame 72 is provided with a sliding rail 77, the shift lever 73 includes a sliding block 731 slidably connected to the sliding rail 77, a telescopic column 732 disposed at the bottom end of the sliding block 731, and a shift knife 733 disposed at the bottom end of the telescopic column 732, the height of the shift knife 733 is adjusted by means of the telescopic column 732, and the shift knife 733 is used for sequentially shifting the inner and outer rings of the bearing on the pick-up stick 32 from outside to inside to the grinding machine. When the diameters of the inner ring and the outer ring of the bearing are small, or the poking knife 733 can not contact the inner ring and the outer ring of the bearing, the poking knife 733 can contact and poke the inner ring and the outer ring of the bearing to move on the poking roller 32 by adjusting the telescopic column 732.

In some embodiments, referring to fig. 1 to 3, a photovoltaic power supply module 8 is disposed on the upper end of the pulley 4, and the photovoltaic power supply module 8 is used for collecting solar energy, storing electrical energy, and supplying power to the driving motor 5.

The photovoltaic power supply assembly 8 comprises a solar cell panel, a controller, a storage battery and an inverter which are connected in series end to end, the solar cell panel is arranged at the upper end of the pulley 4 and used for absorbing solar energy, the controller converts the solar energy into electric energy, the electric energy is stored through the storage battery, the direct current electric energy of the storage battery is converted into alternating current electric energy through the inverter, and the driving motor 5 is powered.

The photovoltaic power supply assembly 8 also supplies power to the plurality of lifting columns 1, the rotating platform 2, the auxiliary rotating platform 71, the ejector rod 33 and the motor 751 respectively, so that after improvement, the photovoltaic power supply assembly can supply power to the loads without being externally connected with a mains supply, is convenient to supply power and can be used for a long time.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Outer lane grinding loading attachment in bearing, its characterized in that includes:

the lifting columns can vertically extend and descend;

the rotating platform is arranged at the upper ends of the lifting columns and can rotate in the circumferential direction in a horizontal plane; and

choose the rod subassembly, locate the rotatory serving of revolving stage and can with the help the revolving stage is rotatory, it wears to establish to wait to the outer lane in a plurality of bearings of in a row of grinding machine bed material loading on the rod subassembly to choose, and with the help the lift post with the revolving stage can deliver to the grinding machine bed in proper order with the outer lane in a plurality of bearings of in a row.

2. The bearing inner and outer race grinding and feeding device as claimed in claim 1, further comprising a trolley disposed at a bottom end of said plurality of lifting columns, wherein a driving motor for driving said trolley to travel is disposed in said trolley, and a brake is further disposed on said trolley for braking said trolley to travel.

3. The bearing inner and outer race grinding and feeding device as set forth in claim 1, wherein said pick-up roller assembly includes:

the support column is vertically arranged at the rotating end of the rotating table;

the picking rods are uniformly distributed on the outer circumference of the supporting column, one end of each picking rod is hinged to the supporting column, the other end of each picking rod is a free end, the picking rods are enclosed into a ring shape, a row of a plurality of bearing inner and outer rings penetrate through the picking rods, the picking rods rotate in a vertical plane and are perpendicular to a rotating plane of the rotating table, an included angle between the axial direction of the picking rods and the axial direction of the supporting column can be adjusted, and the picking rods can face the grinding machine tool by means of the rotation of the rotating table and are used for delivering the bearing inner and outer rings to the grinding machine tool; and

and one end of the ejector rod is hinged with the picking rod, and the other end of the ejector rod is hinged with the supporting column and used for ejecting the picking rod to rotate.

4. The bearing inner and outer ring grinding and feeding device as claimed in claim 3, wherein a telescopic rod is arranged on the inner end of the picking rod along the extension line of the inner end, one end of the telescopic rod is hinged to the supporting column, the other end of the telescopic rod is fixedly connected with the inner end of the picking rod, and the telescopic rod is telescopic and can adjust the distance between the picking rod and the supporting column.

5. The bearing inner and outer race grinding and feeding device as claimed in claim 3, wherein said support column has at its upper end a toggle assembly for toggling the sequential delivery of the plurality of bearing inner and outer races on said pick roller to the grinding machine.

6. The bearing inner and outer race grinding and feeding apparatus of claim 5 wherein said toggle assembly comprises:

the auxiliary rotating table is arranged at the upper end of the supporting column and can rotate in the circumferential direction in a horizontal plane;

the supporting frame is horizontally arranged and positioned above the picking rod, one end of the supporting frame is fixedly arranged on the rotating end of the auxiliary rotating table, and the other end of the supporting frame is a free end; and

the poking rod is arranged at the bottom end of the support frame in a sliding mode along the length direction of the support frame, the poking rod is horizontal, the poking rod slides in the direction parallel to the axial direction of the poking rod, and the poking rod is used for sequentially poking the inner ring and the outer ring of the plurality of bearings in a row to be delivered to a grinding machine tool.

7. The bearing inner and outer race grinding and feeding device as claimed in claim 6, wherein said support frame is provided with an elongated through hole vertically penetrating said support frame along a length direction thereof, said support frame is provided with a driver at an upper end thereof, said driver has a driving rod at a power output end thereof, said driving rod vertically penetrates said elongated through hole and is fixedly connected at a lower end thereof to said shift lever, said driving rod is reciprocally slidable in said elongated through hole by means of said driver and is capable of pushing said shift lever to slide.

8. The bearing inner and outer race grinding and feeding device as claimed in claim 7, wherein said driver includes a motor, a driving pulley, a driven pulley, and a transmission chain wrapped around said driving pulley and said driven pulley, said driving pulley and said driven pulley being sprocket wheels, and said driving rod being fixed at its upper end to said transmission chain and being slidable by means of said transmission chain.

9. The bearing inner and outer ring grinding and feeding device as claimed in claim 6, wherein a slide rail is arranged at the bottom end of the supporting frame, the deflector rod comprises a slide block in sliding connection with the slide rail, a telescopic column arranged at the bottom end of the slide block, and a deflector knife arranged at the bottom end of the telescopic column, the height of the deflector knife is adjusted by means of the telescopic column, and the deflector knife is used for sequentially deflecting the bearing inner and outer rings to the grinding machine tool from outside to inside on the pick rod.

10. The bearing inner and outer ring grinding and feeding device as claimed in claim 2, wherein a photovoltaic power supply assembly is arranged at the upper end of the pulley, and is used for collecting solar energy, storing electric energy and supplying power to the driving motor.