CN111775039A

CN111775039A - Synchronous ring inner and outer diameter super-finishing grinder with centerless supporting mechanism

Info

Publication number: CN111775039A
Application number: CN202010646964.9A
Authority: CN
Inventors: 吴广田; 吴世云; 吉启唯
Original assignee: Ningbo Anjiesen Precision Machine Manufacturing Co ltd
Current assignee: Ningbo Anjiesen Precision Machine Manufacturing Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2020-10-16

Abstract

The invention discloses a synchronous ring inner and outer diameter super lapping machine with a centerless supporting mechanism, which comprises a base, wherein an installation platform is arranged on the base, the upper end of the installation platform is arranged on an obliquely arranged installation plate, and the installation plate is provided with: a feeding station; the positioning support station comprises a support plate, a first positioning mechanism and a second positioning mechanism, wherein one end of the support plate is communicated with the feeding station; a blanking station; a processing station; the first positioning mechanism comprises a reference wheel, a first pressing wheel assembly and a second pressing wheel assembly which form a limiting area; the second positioning mechanism comprises a lifting table which is arranged on the supporting plate and is positioned below the limiting area, and positioning inclined planes for pressing the workpiece are arranged on the outer end faces of the reference wheel, the left pressing wheel and the right pressing wheel. The invention has the following advantages and effects: the aim of centerless supporting of the workpiece is achieved through three-point positioning driving of the reference wheel, the left pressing wheel and the right pressing wheel, and the influence on the machining precision of the workpiece caused by the rotation of the main shaft is avoided.

Description

Synchronous ring inner and outer diameter super-finishing grinder with centerless supporting mechanism

Technical Field

The invention relates to the technical field of bearing processing equipment, in particular to a synchronous ring inner and outer diameter super-fine grinder with a centerless supporting mechanism.

Background

The traditional method of ultra-fine grinding in the bearing industry is that a product clamp is adopted to clamp a workpiece to be processed in a centering mode, the workpiece to be processed is driven by a driving disc to rotate, then the bearings are subjected to rough grinding, fine grinding and ultra-fine grinding processing technological processes in sequence, and during the rough grinding, fine grinding and ultra-fine grinding processes, coarse oilstone, fine oilstone and ultra-fine oilstone enter a channel to perform rough and ultra-fine grinding processing on a raceway.

In the process of processing the bearing ring by the oilstone, the oilstone needs to oscillate in a reciprocating manner along the direction vertical to the surface of the workpiece, and the oilstone is matched with the rotating speed of the workpiece and the pressure of the surface of the workpiece to perform ultra-fine grinding; and because the process accuracy of rough grinding, fine grinding and ultra-fine grinding is different, the oscillation frequency of the oilstone, the rotating speed of the workpiece and the pressure between the oilstone and the workpiece are different in the process of rough grinding, fine grinding and ultra-fine grinding.

However, for example, in chinese patent "large bearing superfinishing machine" with publication number CN102189477A, the superfinishing machine uses a centering clamp, and the bearing processing of the centering clamp is affected by the rotation precision of the main shaft, so the produced bearing often cannot meet the international high-precision or high-performance bearing standard.

Disclosure of Invention

The invention aims to provide a synchronous ring inner and outer diameter super-finishing grinder with a centerless supporting mechanism, which has the effect of centerless clamping a workpiece.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a super lapping machine of synchronous intra-annular external diameter with centerless supporting mechanism, includes the base, be provided with mounting platform on the base, the mounting platform upper end sets up in the mounting panel that the slope set up, be provided with on the mounting panel:

the feeding station comprises a feeding channel which is obliquely arranged and a driving feeding part for pushing a workpiece in the feeding channel to the next station;

the positioning support station comprises a support plate, a first positioning mechanism and a second positioning mechanism, wherein one end of the support plate is communicated with the feeding station;

the blanking station comprises a blanking channel which is communicated with the other end of the bearing plate and is used for bearing a workpiece;

a machining station, a super-precision head for machining the workpiece;

the first positioning mechanism comprises a reference wheel arranged on the mounting plate, and a first pinch roller assembly and a second pinch roller assembly which are respectively positioned at two sides of the reference wheel and can move towards the reference wheel, wherein a limiting area for radially locking a workpiece is formed between a left pinch roller on the first pinch roller assembly, a right pinch roller on the second pinch roller assembly and the reference wheel;

the second positioning mechanism comprises a lifting table which is arranged on the supporting plate and is positioned below the limiting area, and positioning inclined planes for pressing workpieces are arranged on the outer end faces of the reference wheel, the left pressing wheel and the right pressing wheel.

By adopting the technical scheme, the workpiece automatically falls from the feeding channel, then the workpiece is pushed to enter the lifting platform by driving the feeding part, the workpiece is pushed to open the left pressing wheel before being pushed, the right pressing wheel is close to the reference wheel, the workpiece is positioned by the right pressing wheel and the reference wheel, the workpiece is pressed by the left pressing wheel moving towards the reference wheel after the feeding part is driven to return, and the workpiece is radially positioned by three points. Meanwhile, the positioning inclined planes arranged on the outer end faces of the reference wheel, the left pressing wheel and the right pressing wheel are limited in height, so that the whole workpiece is tightly supported by the lifting platform after the lifting platform rises, and the workpiece is circumferentially positioned. After the workpiece is machined by the superfinishing head, the right pressing wheel is removed, the workpiece is driven to be pushed by the feeding piece and then is moved out of the lifting table, and finally, the workpiece is discharged from the discharging channel. Through the repeated steps, the centerless supporting and positioning of the workpiece are realized, the influence of the rotation of the main shaft on the machining precision of the workpiece is avoided, and the processing tool is also suitable for machining some synchronous ring workpieces with claws.

The invention is further provided with: first pinch roller subassembly with second pinch roller subassembly all includes that one end rotates to be connected just the other end is provided with on the mounting panel left side pinch roller or the actuating arm, the one end of right side pinch roller rotate to be connected on the mounting panel and the other end rotates to be connected drive actuating cylinder on the actuating arm, a positioning mechanism is still including rotating left side pinch roller with the driving piece of right side pinch roller.

Through adopting above-mentioned technical scheme, left pinch roller and right pinch roller are all installed on the actuating arm, and the rotation of actuating arm is through the control that drives actuating cylinder simultaneously, and then realizes driving actuating cylinder control left pinch roller and right pinch roller towards the relative motion of benchmark wheel. On the other hand, a driving piece in the first positioning mechanism controls the left pressing wheel and the right pressing wheel to rotate, and further rotation of the workpiece is controlled through friction force between the workpiece and the driving piece.

The invention is further provided with: the reference wheel is fixed on the mounting plate through a rotating shaft with a bearing, the left pressing wheel and the right pressing wheel are rotatably connected on the driving arm through a connecting shaft, the other end of the driving arm is rotatably connected with the mounting plate through the bearing, and the driving piece is linked with the connecting shaft and the rotating shaft.

By adopting the technical scheme, the reference wheel, the left pressing wheel and the right pressing wheel are rotated together through the operation of the driving piece, so that the rotating quality of the workpiece is prevented from being reduced after the rotating speed difference is generated. On the other hand, after the driving arm rotates independently with the mounting plate, the influence of the driving arm on the rotation of the left pressing wheel and the right pressing wheel after the driving arm rotates can be avoided.

The invention is further provided with: the driving piece comprises a driving motor arranged in the mounting platform, a driving shaft rotationally connected to the driving arm, a linkage driving shaft, a connecting shaft, a first belt pulley group of the driving motor and a second belt pulley group of the connecting shaft.

Through adopting above-mentioned technical scheme, a driving motor realizes the common rotation of three axles such as common control drive shaft, connecting axle, axis of rotation through different belt pulley groups in the driving piece, realizes the same rotational speed of benchmark wheel, left pinch roller and right pinch roller.

The invention is further provided with: the middle part of the bearing plate is provided with a lifting hole, the lifting platform comprises a lifting cylinder fixed on the lower end surface of the bearing plate and a positioning platform arranged on a piston rod of the lifting cylinder and rotationally connected with the piston rod, and the positioning platform is arranged in the lifting hole in a penetrating way.

By adopting the technical scheme, the positioning table in the lifting table can be lifted up and down in the supporting plate through the lifting cylinder, so that the height of the workpiece can be adjusted, meanwhile, the positioning table is rotationally connected with the piston rod, the positioning table can rotate together when the workpiece rotates, and the workpiece is prevented from being decelerated.

The invention is further provided with: the driving feeding part comprises a fixed base, a material pushing cylinder, a movable block and a material pushing plate, the fixed base is located at the bottom of the discharging channel and located on one side of the supporting plate, the material pushing cylinder is arranged on the fixed base, one end of the movable block is fixed on a piston rod of the material pushing cylinder, the other end of the movable block is connected to the fixed base in a sliding mode, and the material pushing plate is arranged on the movable block, and the front end of the material pushing plate can be inserted into the limiting.

By adopting the technical scheme, the material pushing plate in the feeding part is driven by the material pushing cylinder to move towards the limiting area, so that the workpiece in the discharging channel moves towards the limiting area.

The invention is further provided with: the movable block comprises a guide rail arranged on the fixed base and a connecting plate fixed on the guide rail, one side of the connecting plate is connected to a piston rod of the material pushing cylinder, and the upper end of the connecting plate is connected with the material pushing plate.

Through adopting above-mentioned technical scheme, push away the motion that material cylinder promoted the connecting plate and realize that the scraping wings is in reciprocating work, the stable motion of connecting plate can be ensured to the setting of guide rail simultaneously.

The invention is further provided with: the supporting plate is provided with a limiting plate towards the tail end of the blanking channel, and the material pushing plate is arranged on one side of the limiting plate in a sliding mode.

Through adopting above-mentioned technical scheme, the extreme low position that can fix a position the work piece is set up to the limiting plate, and the work piece is because the limiting plate department of unloading way bottom all can be entered into to the gravity reason, can be continuous promptly through the scraping wings afterwards and provide the work piece for spacing region.

The invention is further provided with: the feeding channel and the discharging channel are provided with limiting baffles on two sides.

Through adopting above-mentioned technical scheme, the setting of limit baffle can effectively avoid the work piece when removing from material loading way and unloading say other places that the landing is in.

In conclusion, the invention has the following beneficial effects: the aim of centerless supporting of the workpiece is achieved through three-point positioning driving of the reference wheel, the left pressing wheel and the right pressing wheel, and the influence on the machining precision of the workpiece caused by the rotation of the main shaft is avoided. On the other hand, the combined action of the material pushing plate, the left pressing wheel and the right pressing wheel is used for realizing automatic feeding and discharging, the feeding and discharging speed can be effectively improved, and the collision of workpieces during installation is effectively reduced.

Drawings

FIG. 1 is a first schematic structural diagram of a lapping machine;

FIG. 2 is a schematic structural diagram II of the lapping machine;

FIG. 3 is a schematic structural diagram of a loading station, a positioning and supporting station and a blanking station, which are used for embodying workpiece loading;

FIG. 4 is a schematic structural view of a first positioning mechanism;

FIG. 5 is a schematic view of the operation of the drive member;

FIG. 6 is a schematic structural diagram of a loading station, a positioning support station and a blanking station, which are used for embodying a complete path of loading and unloading of a workpiece;

fig. 7 is a schematic structural view of the feeding driving member.

In the figure: 1. a base; 2. mounting a platform; 3. mounting a plate; 4. a feeding station; 5. a feeding channel; 6. driving the feeding member; 7. positioning a support station; 8. a support plate; 9. a first positioning mechanism; 10. a second positioning mechanism; 11. a blanking station; 12. a discharging channel; 13. a processing station; 14. a superfinishing head; 15. a reference wheel; 16. a first pinch roller assembly; 17. a second pinch roller assembly; 18. a left pinch roller; 19. a right pinch roller; 20. a limiting area; 21. a lifting platform; 22. positioning the inclined plane; 23. a drive arm; 24. a driving cylinder; 25. a drive member; 26. a rotating shaft; 27. a connecting shaft; 28. a drive motor; 29. a drive shaft; 30. a first pulley set; 31. a second pulley set; 32. a lifting hole; 33. a lifting cylinder; 34. a positioning table; 35. a fixed base; 36. a material pushing cylinder; 37. a movable block; 38. a material pushing plate; 39. a guide rail; 40. a connecting plate; 41. a limiting plate; 42. and a limiting baffle.

Detailed Description

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

A super lapping machine of synchronous intra-annular and outer-annular with centerless supporting mechanism, referring to fig. 1, comprises a base 1, a mounting platform 2 is arranged on the base 1, a mounting plate 3 is arranged after the upper end face of the mounting platform 2 is inclined, and the mounting plate 3 is also inclined. The upper left side of mounting panel 3 one side is provided with material loading station 4, and the middle part is provided with location support station 7, and right side below is provided with unloading station 11, is provided with processing station 13 in unloading station 11 one side simultaneously, is provided with super smart head 14 on processing station 13 and is used for processing the work piece, and therefore super smart head 14 adopts prior art's structure in this scheme and does not explain its concrete structure again.

Referring to fig. 1 and 2, the positioning and supporting station 7 comprises a supporting plate 8 fixed above the mounting plate 3, one side of the supporting plate 8 is communicated with the feeding station 4, and the other side of the supporting plate 8 is communicated with the blanking station 11. The positioning support station 7 further comprises a first positioning mechanism 9 and a second positioning mechanism 10, wherein the second positioning mechanism 10 is fixed on the support plate 8. The second positioning mechanism 10 includes a lifting platform 21 positioned in the middle of the support plate 8, the lifting platform 21 includes a lifting cylinder 33 fixed on the lower end surface of the support plate 8 by a bolt, a positioning platform 34 is fixed on the upper end of the piston rod of the lifting cylinder 33 by a bearing, and a lifting hole 32 for the positioning platform 34 to penetrate is formed on the support plate 8. The positioning table 34 slides up and down in the lifting hole 32 through the lifting cylinder 33, so that the height of the workpiece on the supporting plate 8 can be adjusted.

Referring to fig. 3 and 4, the first positioning mechanism 9 includes a reference wheel 15 disposed below the lifting hole 32, and a first pinch roller assembly 16 and a second pinch roller assembly 17 disposed on two sides above the lifting hole 32, where the first pinch roller assembly 16 and the second pinch roller assembly 17 have the same structure and are disposed on two sides of the reference wheel 15 respectively. The reference wheel 15 is fixed on the mounting plate 3 through a rotating shaft 26, the rotating shaft 26 and the mounting plate 3 are positioned through a bearing, so that the reference wheel 15 rotates relative to the mounting plate 3, the upper end of the rotating shaft 26 penetrates through the supporting plate 8, the reference wheel 15 is located at the upper end of the supporting plate 8, and the rotating shaft 26 and the supporting plate 8 can be fixed relatively through one bearing.

With continued reference to fig. 3 and 4, each of the first pressure wheel assembly 16 and the second pressure wheel assembly 17 includes a driving arm 23, a driving cylinder 24 for driving the driving arm 23 to rotate, and a pressure wheel rotatably disposed on the driving arm 23, wherein for convenience of distinction, the pressure wheel on the first pressure wheel assembly 16 is a left pressure wheel 18, and the pressure wheel on the second pressure wheel assembly 17 is a right pressure wheel 19. Wherein two sets of drive actuating cylinders 24 are together fixed on the base that sets up on mounting panel 3 and are located the rotation and connect, and the piston rod front end of drive actuating cylinder 24 rotates the lower extreme of connecting in the middle part of actuating arm 23 simultaneously, and the same is the rotation connection, and the one end of actuating arm 23 realizes rotating with mounting panel 3 through rotating and is connected. The relative motion of the pinch roller at the front end of the driving arm 23 relative to the positioning table 34 is realized by the operation of the driving cylinder 24. The left pinch roller 18 and the right pinch roller 19 are fixed at the front end of the driving arm 23 through a connecting shaft 27, and the connecting shaft 27 and the driving arm 23 can be fixed by adopting a bearing.

Referring to fig. 4 and 5, the first positioning mechanism 9 further includes a set of driving members 25, which includes a first pulley set 30, a second pulley set 31, and a driving motor 28 disposed in the mounting platform 2. A driving shaft 29 is fixed at the middle part of the rear end of the driving arm 23, and the driving shaft 29 and the driving arm 23 are fixed through a bearing. The driving shaft 29 and the connecting shaft 27 are linked through a second belt pulley set 31, that is, a belt pulley is arranged on the connecting shaft 27, a belt pulley is arranged on the driving shaft 29, and the two belt pulleys are linked through a belt.

Referring to fig. 4 and 5, the driving motor 28, the driving shaft 29 and the connecting shaft 27 are linked by a first belt pulley set 30, that is, a belt pulley is fixed to each of the output shaft of the driving motor 28, the lower end of the driving shaft 29 and the lower end of the connecting shaft 27, and the driving is realized by a belt. When the driving motor 28 rotates, the rotating shaft 26 on the reference wheel 15 and the driving shaft 29 on the driving arm 23 are driven to rotate for the first time, and meanwhile, the driving shaft 29 can drive the connecting shaft 27 to rotate, so that the reference wheel 15, the left pinch roller 18 and the right pinch roller 19 rotate together.

Referring to fig. 3, 4 and 5, the outer end surfaces of the lower ends of the left pinch roller 18, the right pinch roller 19 and the reference wheel 15 are all provided with positioning inclined surfaces 22 which are obliquely arranged from top to bottom, and the positioning inclined surfaces, the left pinch roller 18, the right pinch roller 19 and the reference wheel form a limiting area 20 for limiting the radial direction of the workpiece. Positioning table 34 in elevating platform 21 is located under this spacing region 20, when the work piece is located positioning table 34, left pinch roller 18 and right pinch roller 19 remove towards the work piece, and then with the preliminary location of work piece, then behind the rising positioning table 34, because the setting of location inclined plane 22, positioning table 34 can be with the work piece chucking at left pinch roller 18, between right pinch roller 19 and the benchmark wheel 15, the work piece is by axial positioning behind interference fit, therefore when driving motor 28 during operation, can drive the work piece for taking place to rotate with bearing plate 8.

Referring to fig. 6, the feeding station 4 is provided with a feeding passage 5 and a driving feeding member 6, and the discharging station 11 includes a discharging passage 12. The two sides of the feeding channel 5 and the discharging channel 12 are provided with limit baffles 42, so that the workpieces can be prevented from sliding out of the two sides of the feeding channel 5 and the discharging channel 12 in advance in the falling process. The supporting plate 8 is level with and is communicated with the end surfaces of the feeding channel 5 and the discharging channel 12, and the three can be fixed on the mounting plate 3 together through a positioning frame. The support plate 8 is fixed with a limit plate 41 at the end of the blanking channel 12 to prevent the work pieces from falling off the support plate 8 when falling from the feeding channel 5.

Referring to fig. 6 and 7, the driving loading member 6 at the end of the loading chute 5 is provided at the side of the support plate 8 and can be directly fixed to the mounting plate 3. The driving feeding part 6 comprises a fixed base 35 fixed on the mounting plate 3, and a material pushing cylinder 36 is arranged on one side of the fixed base 35, and a movable block 37 is arranged on the other side. The movable block 37 includes a linear guide rail 39 disposed on the fixed base 35, and a connecting plate 40 fixed on the guide rail 39, one side of the connecting plate 40 is fixed on the piston rod of the pushing cylinder 36, and a strip-shaped pushing plate 38 is fixed on the upper end face. While the ejector plate 38 is located on the upper side of the stopper plate 41, so that the dropped work can be pushed toward the lift table 21 at the first time.

Referring to fig. 3 and 6, the process of machining the workpiece: the workpiece falls from the feeding channel 5, the workpiece is pushed to the lifting platform 21 through the material pushing plate 38, positioning is carried out through the reference wheel 15 and the right pressing wheel 19, then the left pressing wheel 18 is pressed tightly, and the material pushing plate 38 returns; and (3) processing the workpiece, pressing the workpiece by lifting the workpiece on the lifting table 21, moving the right pressing wheel 19 after the workpiece is finished, continuously pushing the workpiece to the blanking channel 12 by the pushing plate 38, returning the pushing plate 38 again, feeding the next workpiece, and repeating the feeding.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a super lapping machine of synchronous ring internal and external diameter with centerless supporting mechanism, includes base (1), be provided with mounting platform (2) on base (1), its characterized in that: mounting platform (2) upper end sets up in mounting panel (3) that the slope set up, be provided with on mounting panel (3):

the feeding station (4) comprises a feeding channel (5) which is obliquely arranged and a driving feeding part (6) for pushing a workpiece in the feeding channel (5) to the next station;

the positioning support station (7) comprises a support plate (8) with one end communicated with the feeding station (4), a first positioning mechanism (9) for radially locking a workpiece, and a second positioning mechanism (10) for axially locking the workpiece;

the blanking station (11) comprises a blanking channel (12) which is communicated with the other end of the bearing plate (8) and is used for bearing a workpiece;

a processing station (13) for processing a workpiece by using a super-finishing head (14);

the first positioning mechanism (9) comprises a reference wheel (15) arranged on the mounting plate (3), a first pinch roller assembly (16) and a second pinch roller assembly (17) which are respectively positioned on two sides of the reference wheel (15) and can move towards the reference wheel (15), and a limit area (20) for radially locking a workpiece is formed between a left pinch roller (18) on the first pinch roller assembly (16), a right pinch roller (19) on the second pinch roller assembly (17) and the reference wheel (15);

the second positioning mechanism (10) comprises a lifting table (21) which is arranged on the supporting plate (8) and is positioned below the limiting area (20), and positioning inclined planes (22) for pressing workpieces are arranged on the outer end faces of the reference wheel (15), the left pressing wheel (18) and the right pressing wheel (19).

2. The super lapping machine for inner and outer diameters of synchronous ring with centerless support mechanism as claimed in claim 1, wherein: first pinch roller subassembly (16) with second pinch roller subassembly (17) all include that one end rotates to be connected on mounting panel (3) and the other end are provided with left side pinch roller (18) or actuating arm (23), the one end of right side pinch roller (19) rotate to be connected on mounting panel (3) and the other end rotate to be connected drive actuating cylinder (24) on actuating arm (23), first positioning mechanism (9) are still including rotating left side pinch roller (18) with driving piece (25) of right side pinch roller (19).

3. The super lapping machine for inner and outer diameters of synchronous ring with centerless support mechanism as claimed in claim 2, wherein: benchmark wheel (15) are fixed through axis of rotation (26) that has the bearing on mounting panel (3), left side pinch roller (18) with right pinch roller (19) are passed through connecting axle (27) and are rotated and connect on actuating arm (23), the other end of actuating arm (23) pass through the bearing with mounting panel (3) are rotated and are connected, driving piece (25) with connecting axle (27) with axis of rotation (26) linkage.

4. The super lapping machine for inner and outer diameters of synchronous ring with centerless support mechanism as claimed in claim 3, wherein: the driving piece (25) comprises a driving motor (28) arranged in the mounting platform (2), a driving shaft (29) rotatably connected to the driving arm (23), a linkage driving shaft (29), a connecting shaft (27), a first belt pulley set (30) of the driving motor (28), and a second belt pulley set (31) for linking the driving shaft (29) and the connecting shaft (27).

5. The super lapping machine for inner and outer diameters of synchronous ring with centerless support mechanism as claimed in claim 1, wherein: the middle part of the supporting plate (8) is provided with a lifting hole (32), the lifting platform (21) comprises a lifting cylinder (33) fixed on the lower end face of the supporting plate (8) and a positioning platform (34) arranged on a piston rod of the lifting cylinder (33) and rotationally connected with the piston rod, and the positioning platform (34) penetrates through the lifting hole (32).

6. The super lapping machine for inner and outer diameters of synchronous ring with centerless support mechanism as claimed in claim 1, wherein: the driving feeding part (6) comprises a fixed base (35) which is positioned at the bottom of the discharging channel (12) and is positioned on one side of the supporting plate (8), a material pushing cylinder (36) arranged on the fixed base (35), a movable block (37) of which one end is fixed on a piston rod of the material pushing cylinder (36) and the other end is connected to the fixed base (35) in a sliding manner, and a material pushing plate (38) which is arranged on the movable block (37) and of which the front end can be inserted into the limiting area (20).

7. The super lapping machine for inner and outer diameters of synchronous ring with centerless support mechanism as claimed in claim 6, wherein: the movable block (37) comprises a guide rail (39) arranged on the fixed base (35) and a connecting plate (40) fixed on the guide rail (39), one side of the connecting plate (40) is connected to a piston rod of the material pushing cylinder (36), and the upper end of the connecting plate is connected with the material pushing plate (38).

8. The super lapping machine for inner and outer diameters of synchronous ring with centerless support mechanism as claimed in claim 7, wherein: the tail end of the supporting plate (8) facing the blanking channel (12) is provided with a limiting plate (41), and the material pushing plate (38) is arranged on one side of the limiting plate (41) in a sliding mode.

9. The super lapping machine for inner and outer diameters of synchronous ring with centerless support mechanism as claimed in claim 8, wherein: and limiting baffles (42) are arranged on both sides of the feeding channel (5) and the discharging channel (12).