CN212918705U

CN212918705U - Automatic grinding equipment for outer wall of bearing inner ring

Info

Publication number: CN212918705U
Application number: CN202021659321.XU
Authority: CN
Inventors: 胡百君
Original assignee: Cixi Sihai Bearing Co ltd
Current assignee: Cixi Sihai Bearing Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-04-09
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses an automatic grinding device for the outer wall of a bearing inner ring, which comprises a feeding mechanism, a rough grinding mechanism, a feeding mechanism and a fine grinding mechanism; the feeding mechanism comprises a first workbench and a vibrating disc, and a discharge hole of the vibrating disc is provided with a guide sleeve; the rough grinding mechanism comprises a second workbench, a rough grinding assembly and a first cooling assembly, a first conveying rail is arranged between the first workbench and the second workbench, and one end of the first conveying rail is connected with the guide sleeve; the feeding mechanism comprises a turntable assembly and a conveying assembly; the fine grinding mechanism comprises a third workbench, a fine grinding assembly and a second cooling assembly, the third workbench is provided with a second conveying track, and an outlet of the rotary table is connected with an inlet of the second conveying track. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization adopts and conveys through feeding mechanism between corase grind subassembly and correct grinding subassembly, has that degree of automation is higher, it is more convenient to use, the better effect of processing effect.

Description

Automatic grinding equipment for outer wall of bearing inner ring

Technical Field

The utility model relates to an automatic processing technology field, in particular to automatic grinding equipment of bearing inner race outer wall.

Background

The bearing mainly comprises an inner ring, an outer ring and a steel ball arranged between the inner ring and the outer ring, wherein the inner ring and the outer ring of the bearing are mainly formed by processing a bar material or a pipe material, the processes of turning, heat treatment, grinding, lapping or polishing and the like are usually needed, and the steel ball processing process usually comprises bar material or wire cold punching, filing, coarse grinding, soft grinding or smooth ball, heat treatment, hard grinding, fine grinding, lapping or grinding and rust-proof treatment. The outer wall of the bearing inner ring needs to be subjected to smoothing treatment to reduce friction between the steel ball and the bearing inner ring, two processes are generally adopted, namely a first coarse grinding process and a second fine grinding process.

Disclosure of Invention

The utility model aims at providing an automatic grinding equipment of bearing inner race outer wall adopts feeding mechanism to connect corase grind mechanism and correct grinding mechanism, has the effect that is convenient for carry, the processing effect is better.

The above technical purpose of the present invention can be achieved by the following technical solutions: an automatic grinding device for the outer wall of a bearing inner ring comprises a feeding mechanism, a coarse grinding mechanism, a feeding mechanism and a fine grinding mechanism which are sequentially arranged on a transmission path; the feeding mechanism comprises a first workbench and a vibrating disc arranged on the first workbench, and a vertical guide sleeve is arranged at a discharge port of the vibrating disc;

the rough grinding mechanism comprises a second workbench, a rough grinding assembly and a first cooling assembly, the rough grinding assembly and the first cooling assembly are arranged on the second workbench, a first conveying rail is arranged between the first workbench and the second workbench, one end of the first conveying rail is connected with the guide sleeve, and the rough grinding assembly and the first cooling assembly are arranged on two sides of the first conveying rail;

the feeding mechanism comprises a turntable assembly and a conveying assembly arranged between the turntable assembly and the first conveying track;

the fine grinding mechanism comprises a third workbench, a fine grinding assembly and a second cooling assembly, wherein the fine grinding assembly and the second cooling assembly are arranged on the third workbench, the third workbench is provided with a second conveying rail, and an outlet of the turntable assembly is connected with an inlet of the second conveying rail.

By adopting the technical scheme, the bearing inner ring parts are poured into the vibrating disc, the vibrating disc sequentially conveys the bearing inner ring parts into the guide sleeve from the outlet end, when the bearing inner ring is transited to the first conveying track from the guide sleeve, the center line of the bearing inner ring is changed from vertical to horizontal, the subsequent bearing inner ring gradually pushes the bearing inner ring at the front end forwards, when the bearing inner ring is pushed between the coarse grinding assembly and the first cooling assembly, the coarse grinding assembly performs coarse grinding on the outer wall of the bearing inner ring, and the first cooling assembly cools the bearing inner ring while performing coarse grinding; the bearing inner ring after coarse grinding is conveyed to the turntable assembly through the conveying assembly, enters the second conveying track after being circulated through the turntable assembly, the bearing inner ring on the second conveying track can be finely ground by the fine grinding assembly, meanwhile, the bearing inner ring is cooled by the second cooling assembly, and the bearing inner ring can be conveyed out of the second conveying track after fine grinding is completed. So, convey the bearing inner race through feeding mechanism between corase grind subassembly and correct grinding subassembly, reduced artifical transport and collided with and caused the possibility of damaging, have that degree of automation is higher, use more convenient, the better effect of processing effect.

The utility model discloses a further set up to: the rough grinding component comprises a rough grinding polishing wheel rotationally connected to the second workbench, and a first driving motor driving the rough grinding polishing wheel to rotate, and the accurate grinding component comprises an accurate grinding polishing wheel rotationally connected to the third workbench, and a second driving motor driving the accurate grinding polishing wheel.

The utility model discloses a further set up to: the first cooling assembly comprises a first water outlet pipe, a plurality of water outlet holes are formed in the side wall of the first water outlet pipe, and a first water receiving groove located below the first conveying rail is formed in the second workbench; the second cooling assembly comprises a second water outlet pipe, a plurality of water outlet holes are formed in the side wall of the second water outlet pipe, and a second water receiving groove located below the second conveying rail is formed in the third workbench.

Through adopting above-mentioned technical scheme, first outlet pipe and second outlet pipe are connected respectively in the water pipe, and the water in first water pipe and the second water pipe can be followed the apopore and flowed out, carry out cooling treatment to the work piece.

The utility model discloses a further set up to: the rotary table assembly comprises a fixed table, a rotary disc is arranged in the fixed table in a rotating mode, a third driving motor is arranged on the fixed table and drives the rotary disc to rotate, and a discharging track is formed in the fixed table.

Through adopting above-mentioned technical scheme, third driving motor drive rotary disk relatively fixed station rotates, and after bearing inner race on first delivery track fell into the rotary disk through the conveying subassembly, the rotary disk rotation in-process can be sent into the bearing inner race in the outside to ejection of compact track.

The utility model discloses a further set up to: and an anti-springing plate is arranged in the fixed table and is arranged below the discharge end of the conveying assembly.

Through adopting above-mentioned technical scheme, when the bearing inner race falls down from the conveying subassembly, at first drop to preventing on the springboard, then fall into the rotary disk, prevent that the setting of springboard can play the guard action to a certain extent, prevent that the work piece from directly falling to the fixed position of rotary disk on, avoid the rotary disk fixed position to appear sunkenly.

The utility model discloses a further set up to: the fixed table is internally provided with a first arc guide plate and a second arc guide plate, the first guide plate is arranged on the inner ring of the fixed table, and the second guide plate is arranged on the outer ring of the fixed table; a leveling plate is arranged in the fixed table, a gap for the inner ring of the bearing to pass through is formed between the lower end face of the leveling plate and the rotating disc, and the size of the gap is larger than the thickness of one bearing and smaller than the thickness of two bearings.

Through adopting above-mentioned technical scheme, under the guide effect of first baffle and second baffle for inboard bearing inner race moves to the outside gradually on the rotary disk, under the effect of blockking of flattening board, can make the tiling of the bearing inner race of two upper and lower superpositions, and single-deck bearing inner race can pass through the clearance.

The utility model discloses a further set up to: the fixing table is provided with a fixing plate, one end of the second guide plate is fixedly connected to the fixing plate, an extension spring is arranged between the fixing plate and the second guide plate, one end of the extension spring is fixedly connected to the fixing plate, and the other end of the extension spring is fixedly connected to the end portion, far away from the fixing plate, of the second guide plate.

Through adopting above-mentioned technical scheme, when the rotary disk drove the motion of bearing inner race for a long time, the bearing inner race produced thrust to the second baffle, easily made the second baffle inwards bent, under extension spring's effect, can make the second baffle keep away from the tip of fixed plate and have the pulling force to the outside all the time, has the effect that prevents the deformation of second baffle to a certain extent.

The utility model discloses a further set up to: the conveying assembly comprises a conveying frame, a plurality of driving rollers are connected to the conveying frame in a rotating mode, a conveying belt is arranged on the driving rollers, water filtering holes are formed in the conveying belt, a fourth driving motor is arranged on the conveying frame, and the fourth driving motor drives the driving rollers to rotate.

Through adopting above-mentioned technical scheme, fourth drive motor drives the driving roller and rotates for the conveyer belt conveys the bearing inner race, and when the bearing inner race was on the conveyer belt, accessible drainage hole filtered the cooling water of corase grind in-process on the one hand, and on the other hand drainage hole still can increase the frictional force on surface, the conveying of the bearing inner race of being convenient for.

The utility model discloses a further set up to: the discharging rail is connected with an arc rail, the second conveying rail is provided with a horizontal reversing cylinder, and the reversing cylinder is connected with the arc rail.

Through adopting above-mentioned technical scheme, the bearing inner circle that spreads from carousel subassembly's ejection of compact track is the tiling state, and when the bearing inner circle that tiles from arc track landing to the switching-over section of thick bamboo, the bearing inner circle is changed into vertical state by the tiling state, and the bearing inner circle receives the effect of keeping out of switching-over section of thick bamboo and inertia of self and erects for the central line of bearing inner circle becomes the level by vertical, excessively to the second delivery track on through the switching-over section of thick bamboo.

The utility model discloses a further set up to: the third workstation is provided with the mount, rotates on the mount to be connected with the flattening roller, and the side of second delivery track is located along second delivery track extending direction to the flattening roller.

Through adopting above-mentioned technical scheme, when the bearing inner circle was carried on second delivery track, the flattening roller offseted with the outer wall of bearing inner circle, can carry out the flattening to a plurality of bearing inner circles and handle, the follow-up correct grinding process of being convenient for correct grinding effect is better.

To sum up, the utility model discloses following beneficial effect has:

1. the bearing inner ring is conveyed between the coarse grinding assembly and the fine grinding assembly through the feeding mechanism, so that the possibility of damage caused by manual carrying and collision is reduced, and the bearing inner ring conveying device has the effects of higher automation degree, more convenience in use and better processing effect;

2. the anti-jumping plate is arranged in the fixed table, so that the anti-jumping plate can play a role in protection to a certain extent, prevent a workpiece from directly falling to a fixed position of the rotating disc and prevent the fixed position of the rotating disc from sinking;

3. the arc-shaped track and the reversing cylinder connected with the arc-shaped track are arranged on the discharging track, and when the tiled bearing inner ring slides to the reversing cylinder from the arc-shaped track, the bearing inner ring is automatically changed into a vertical state from a tiled state.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the embodiment.

Fig. 2 is a schematic structural relationship diagram of the rough grinding assembly and the feeding mechanism in the embodiment.

Figure 3 is a schematic view of the structural relationship of the disc assembly to the refining assembly according to the embodiment.

In the figure: 1. a feeding mechanism; 2. a rough grinding mechanism; 3. a feeding mechanism; 4. a fine grinding mechanism; 5. a first table; 51. a vibrating pan; 52. a guide sleeve; 6. a second table; 61. a first conveying rail; 62. coarsely grinding the polishing wheel; 63. a first drive motor; 64. a first water outlet pipe; 641. a water outlet hole; 65. a first water receiving tank; 7. a turntable assembly; 71. a fixed table; 72. rotating the disc; 73. a third drive motor; 74. a discharge rail; 741. an arc-shaped track; 75. a springboard is prevented; 76. a first guide plate; 77. a second guide plate; 78. a fixing plate; 781. an extension spring; 79. a screed plate; 8. a transfer assembly; 81. a transfer frame; 82. a conveyor belt; 821. water filtering holes; 83. a fourth drive motor; 84. a third water receiving tank; 9. a third working table; 91. a second conveying track; 92. finely grinding the polishing wheel; 93. a second drive motor; 94. a second water outlet pipe; 95. a second water receiving tank; 96. a fixed mount; 97. a leveling roller; 10. a reversing cylinder.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

An automatic grinding device for the outer wall of a bearing inner ring is shown in figure 1 and comprises a feeding mechanism 1, a rough grinding mechanism 2, a feeding mechanism 3 and a fine grinding mechanism 4 which are sequentially arranged on a transmission path; the feeding mechanism 1 comprises a first workbench 5 and a vibrating disc 51 arranged on the first workbench 5, and a vertical guide sleeve 52 is arranged at a discharge hole of the vibrating disc 51.

As shown in fig. 1 and 2, the rough grinding mechanism 2 includes a second table 6, and a rough grinding assembly and a first cooling assembly disposed on the second table 6, a first conveying rail 61 is disposed between the first table 5 and the second table 6, the cross section of the first conveying rail 61 is V-shaped, the front end of the first conveying rail 61 corresponds to the guide sleeve 52 and is located right below the guide sleeve 52, and the rough grinding assembly and the first cooling assembly are disposed on two sides of the first conveying rail 61; the corase grind subassembly is including rotating the corase grind polishing wheel 62 of connecting in second workstation 6, drive corase grind polishing wheel 62 pivoted first driving motor 63, first cooling module is including first outlet pipe 64, first outlet pipe 64 links to each other with the water pipe, a plurality of apopores 641 have been seted up to first outlet pipe 64 lateral wall, be provided with the first water receiving tank 65 that is located first delivery track 61 below on the second workstation 6, be provided with the water receiving tank in the second workstation 6, the water receiving tank is linked together with first water receiving tank 65.

As shown in fig. 2 and 3, the feeding mechanism 3 includes a turntable assembly 7, and a conveying assembly 8 disposed between the turntable assembly 7 and the first conveying track 61; the conveying assembly 8 comprises a conveying frame 81, one end of the conveying frame 81 is fixedly connected to the second workbench 6, and the other end of the conveying frame is erected on the fixed platform 71; the conveying frame 81 is rotatably connected with a plurality of driving rollers (not shown in the figure), the driving rollers are provided with a conveying belt 82, the conveying belt 82 is provided with water filtering holes 821, the conveying frame 81 is provided with a fourth driving motor 83, the fourth driving motor 83 drives the driving rollers to rotate, and a third water receiving groove 84 is arranged right below the conveying belt 82. The turntable assembly 7 comprises a fixed table 71, a rotating disc 72 is rotatably arranged in the fixed table 71, a third driving motor 73 is arranged at the bottom of the fixed table 71, the third driving motor 73 drives the rotating disc 72 to rotate relative to the fixed table 71, and the fixed table 71 is provided with a discharging track 74. An anti-bouncing plate 75 is arranged in the fixed table 71, and the anti-bouncing plate 75 is arranged below the discharging end of the conveying assembly 8. An arc-shaped first guide plate 76 and an arc-shaped second guide plate 77 are further arranged in the fixed table 71, the first guide plate 76 is arranged on the inner ring of the fixed table 71 and is fixed on the anti-jumping plate 75, and the second guide plate 77 is arranged on the outer ring of the fixed table 71; the fixed table 71 is provided with a fixed plate 78, one end of the second guide plate 77 is fixedly connected to the fixed plate 78, an extension spring 781 is arranged between the fixed plate 78 and the second guide plate 77, one end of the extension spring 781 is fixedly connected to the fixed plate 78, and the other end of the extension spring 781 is fixedly connected to the end portion, far away from the fixed plate 78, of the second guide plate 77. A leveling plate 79 is arranged in the fixed table 71, a gap for the inner ring of the bearing to pass through is formed between the lower end surface of the leveling plate 79 and the turntable, and the size of the gap is larger than the thickness of one bearing and smaller than the thickness of two bearings.

As shown in fig. 3, an arc rail 741 protruding outward is connected to the discharging rail 74, a horizontal reversing cylinder 10 is disposed on the second conveying rail 91, and the reversing cylinder 10 is connected to the arc rail 741.

As shown in fig. 3, the refining mechanism 4 includes a third worktable 9, and a refining assembly and a second cooling assembly which are arranged on the third worktable 9, the third worktable 9 is provided with a second conveying track 91 with a V-shaped cross section, and the discharging track 74 of the turntable assembly 7 is connected with the inlet of the second conveying track 91 through an arc track 741 and a reversing cylinder 10. The refining assembly comprises a fine grinding polishing wheel 92 rotatably connected to the third table 9, and a second drive motor 93 for driving the fine grinding polishing wheel 92. The second cooling assembly comprises a second water outlet pipe 94 connected to the water pipe, a plurality of water outlet holes 641 are formed in the side wall of the second water outlet pipe 94, a second water receiving tank 95 located below the second conveying rail 91 is arranged on the third workbench 9, a water receiving tank is arranged in the third workbench 9, and the second water receiving tank 95 is also connected with the water receiving tank. The water in the first water pipe and the second water pipe can flow out from the water outlet 641 to perform cooling treatment on the workpiece.

As shown in fig. 3, the third working table 9 is provided with a fixing frame 96, a leveling roller 97 is rotatably connected to the fixing frame 96, and the leveling roller 97 is arranged on the side of the second conveying rail 91 along the extending direction of the second conveying rail 91. When the bearing inner rings are conveyed on the second conveying track 91, the leveling rollers 97 are abutted to the outer walls of the bearing inner rings, so that the bearing inner rings can be leveled, the subsequent fine grinding process is facilitated, and the fine grinding effect is better.

The utility model discloses a basic operating principle does: the bearing inner ring parts are poured into the vibration disc 51, the vibration disc 51 sequentially sends the bearing inner ring parts into the guide sleeve 52 from the outlet end, when the bearing inner ring parts are transited to the first conveying track 61 from the guide sleeve 52, the center line of the bearing inner ring is changed from vertical to horizontal, and the bearing inner ring at the front end is gradually pushed forwards by the subsequent bearing inner ring.

When the bearing inner ring is pushed between the rough grinding assembly and the first cooling assembly, the rough grinding assembly performs rough grinding on the outer wall of the bearing inner ring, and the first cooling assembly cools the bearing inner ring while performing rough grinding; the coarsely ground bearing inner ring falls onto the conveyor belt 82 and is conveyed to the turntable assembly 7.

The fourth driving motor 83 drives the driving roller to rotate, so that the bearing inner ring is conveyed by the conveyor belt 82, when the bearing inner ring is arranged on the conveyor belt 82, on one hand, cooling water in the coarse grinding process can be filtered out through the water filtering holes 821, on the other hand, the friction force of the surface can be increased through the water filtering holes 821, and the conveying of the bearing inner ring is facilitated. The second driving motor 93 drives the rotating disc 72 to rotate relative to the fixed table 71, when the bearing inner ring falls down from the conveying assembly 8, the bearing inner ring firstly falls onto the anti-bouncing plate 75 and then falls into the rotating disc 72, the anti-bouncing plate 75 can play a role in protection to a certain extent, a workpiece is prevented from directly falling onto a fixed position of the rotating disc 72, the fixed position of the rotating disc 72 is prevented from being sunken, and after the bearing inner ring falls onto the rotating disc 72 through the conveying belt 82, the bearing inner ring on the outer side can be conveyed to the discharging track 74 in the rotating process of the rotating disc 72. Under the guiding action of the first guide plate 76 and the second guide plate 77, the bearing inner rings on the inner side of the rotating disc 72 gradually move outwards, under the blocking action of the leveling plate 79, the upper and lower overlapped bearing inner rings can be flatly laid, and the single-layer bearing inner rings can pass through the gap. When the rotating disc 72 drives the inner ring bearing to move for a long time, the bearing inner ring generates thrust to the second guide plate 77, the second guide plate 77 is easy to bend inwards, the end part of the second guide plate 77, which is far away from the fixed plate 78, can always have outward tension under the action of the extension spring 781, and the effect of preventing the second guide plate 77 from deforming is achieved to a certain extent.

The bearing inner ring that spreads from the ejection of compact track 74 of carousel subassembly 7 is the tiling state, when the bearing inner ring that tiles from arc track 741 landing to a switching-over section of thick bamboo 10, the bearing inner ring is changed into vertical state by the tiling state, the bearing inner ring receives the effect of blocking of a switching-over section of thick bamboo 10 and inertia of self and erects, make the central line of bearing inner ring become the level by vertical, excessively to second delivery track 91 on through a switching-over section of thick bamboo 10, the accurate grinding subassembly can carry out the finish grinding to the bearing inner ring on second delivery track 91, the second cooling module carries out cooling treatment to the bearing inner ring simultaneously, can spread from second delivery track 91 after the finish grinding is accomplished. So, convey the bearing inner race through feeding mechanism 3 between corase grind subassembly and correct grinding subassembly, reduced artifical transport and collided with and caused the possibility of damaging, have that degree of automation is higher, use more convenient, the better effect of processing effect.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides an automatic grinding equipment of bearing inner race outer wall which characterized in that: comprises a feeding mechanism (1), a rough grinding mechanism (2), a feeding mechanism (3) and a fine grinding mechanism (4) which are arranged on a transmission path in sequence; the feeding mechanism (1) comprises a first workbench (5) and a vibrating disc (51) arranged on the first workbench (5), and a vertical guide sleeve (52) is arranged at a discharge hole of the vibrating disc (51);

the rough grinding mechanism (2) comprises a second workbench (6), a rough grinding component and a first cooling component, wherein the rough grinding component and the first cooling component are arranged on the second workbench (6), a first conveying rail (61) is arranged between the first workbench (5) and the second workbench (6), one end of the first conveying rail (61) is connected with the guide sleeve (52), and the rough grinding component and the first cooling component are arranged on two sides of the first conveying rail (61);

the feeding mechanism (3) comprises a turntable assembly (7) and a conveying assembly (8) arranged between the turntable assembly (7) and the first conveying track (61);

the fine grinding mechanism (4) comprises a third workbench (9), a fine grinding assembly and a second cooling assembly, wherein the fine grinding assembly and the second cooling assembly are arranged on the third workbench (9), the third workbench (9) is provided with a second conveying rail (91), and an outlet of the turntable assembly (7) is connected with an inlet of the second conveying rail (91).

2. The automatic grinding equipment for the outer wall of the bearing inner ring according to claim 1, characterized in that: the rough grinding assembly comprises a rough grinding polishing wheel (62) which is rotatably connected to the second workbench (6), and a first driving motor (63) which drives the rough grinding polishing wheel (62) to rotate, and the fine grinding assembly comprises a fine grinding polishing wheel (92) which is rotatably connected to the third workbench (9), and a second driving motor (93) which drives the fine grinding polishing wheel (92).

3. The automatic grinding equipment for the outer wall of the bearing inner ring according to claim 1, characterized in that: the first cooling assembly comprises a first water outlet pipe (64), a plurality of water outlet holes (641) are formed in the side wall of the first water outlet pipe (64), and a first water receiving groove (65) located below the first conveying rail (61) is formed in the second workbench (6); the second cooling assembly comprises a second water outlet pipe (94), a plurality of water outlet holes (641) are formed in the side wall of the second water outlet pipe (94), and a second water receiving groove (95) located below the second conveying rail (91) is formed in the third workbench (9).

4. The automatic grinding equipment for the outer wall of the bearing inner ring according to claim 1, characterized in that: the rotary table assembly (7) comprises a fixed table (71), a rotary table (72) is arranged in the fixed table (71) in a rotating mode, a third driving motor (73) is arranged on the fixed table (71), the rotary table (72) is driven to rotate by the third driving motor (73), and a discharging track (74) is formed in the fixed table (71).

5. The automatic grinding equipment for the outer wall of the bearing inner ring as claimed in claim 4, wherein: an anti-springing plate (75) is arranged in the fixed table (71), and the anti-springing plate (75) is arranged below the discharge end of the conveying assembly (8).

6. The automatic grinding equipment for the outer wall of the bearing inner ring as claimed in claim 4, wherein: an arc-shaped first guide plate (76) and an arc-shaped second guide plate (77) are arranged in the fixed table (71), the first guide plate (76) is arranged on the inner ring of the fixed table (71), and the second guide plate (77) is arranged on the outer ring of the fixed table (71); a leveling plate (79) is arranged in the fixed table (71), a gap for the inner ring of the bearing to pass through is formed between the lower end face of the leveling plate (79) and the rotating disc (72), and the size of the gap is larger than the thickness of one bearing and smaller than the thickness of two bearings.

7. The automatic grinding equipment for the outer wall of the bearing inner ring according to claim 6, wherein: be provided with fixed plate (78) on fixed station (71), the one end fixed connection of second baffle (77) in fixed plate (78), fixed plate (78) with be provided with between second baffle (77) extension spring (781), the one end fixed connection of extension spring (781) in fixed plate (78), the other end fixed connection of extension spring (781) in second baffle (77) is kept away from the tip of fixed plate (78).

8. The automatic grinding equipment for the outer wall of the bearing inner ring according to claim 1, characterized in that: conveying subassembly (8) are including conveying frame (81), it is connected with a plurality of driving rollers to rotate on conveying frame (81), be provided with conveyer belt (82) on the driving roller, water drainage hole (821) have been seted up on conveyer belt (82), conveying frame (81) are provided with fourth driving motor (83), fourth driving motor (83) drive the driving roller rotates.

9. The automatic grinding equipment for the outer wall of the bearing inner ring as claimed in claim 4, wherein: an arc-shaped rail (741) is connected to the discharging rail (74), a horizontal reversing cylinder (10) is arranged on the second conveying rail (91), and the reversing cylinder (10) is connected with the arc-shaped rail (741).

10. The automatic grinding equipment for the outer wall of the bearing inner ring according to claim 1, characterized in that: third workstation (9) are provided with mount (96), it is connected with flattening roller (97) to rotate on mount (96), flattening roller (97) are followed second delivery track (91) extending direction locates the side of second delivery track (91).