A multi-surface ultra-precision grinding device for bearing ring processing

Abstract

The present invention belongs to the technical field of bearing processing, and specifically relates to a multi-surface ultra-precision grinding device for bearing ring processing, including a support bottom plate. A rotating shaft device is arranged on the upper surface of the support bottom plate, and a grinding bearing ring is arranged inside the rotating shaft device. A grinding component is arranged on the back of the support bottom plate. The rotating shaft device includes an axis motor, and a connecting rotating sleeve is fixedly connected to the outer surface of the output shaft of the axis motor. This device can perform relatively precise grinding work on the bearing ring placed on the rotating shaft device through the grinding component, so that the outer surface of the bearing ring becomes relatively smooth. Since the adsorption disc shell at the bottom can limit bearing rings of different sizes through the cooperation clamping plates on both sides, and the grinding component can also be adjusted according to the actual situation, this device can be applied to grinding work of many bearing rings of different sizes, meeting various processing requirements and improving the general performance of the device.

Description

Technical Field

[0001] The present invention belongs to the technical field of bearing processing, and specifically relates to a multi-surface ultra-precision grinding device for bearing ring processing. Background Art

[0002] The ultra-precision grinding process of bearings is a feed motion to achieve a finishing machining method of micro-grinding. The surface before ultra-precision grinding is generally subjected to precision turning and grinding. Specifically, it refers to a finishing machining method in which under good lubrication and cooling conditions, a fine-grained grinding tool applies a very small pressure to the bearing, and makes a fast and short reciprocating oscillation motion to the bearing rotating at a certain speed in the direction perpendicular to the bearing rotation direction.

[0003] At present, there are gradually requirements for ultra-precision grinding of the raceways and ribs of large domestic wind power bearing rings. The bearings after ultra-precision grinding have a longer service life. However, the existing large ultra-precision machines on the market have simple functions and cannot meet the requirements of processing multiple surfaces such as straight raceways, inclined raceways, arc raceways, ribs, and flat raceways on the same machine tool. Therefore, it is necessary to design a multi-surface ultra-precision grinding device. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the technical solution adopted by the present invention to solve its technical problems is: a multi-surface ultra-precision grinding device for bearing ring processing, including a support bottom plate. A rotating shaft device is arranged on the upper surface of the support bottom plate, a grinding bearing ring is arranged inside the rotating shaft device, and a grinding component is arranged on the back of the support bottom plate;

[0005] The rotating shaft device includes a shaft center motor. A connecting rotating sleeve is fixedly connected to the outer surface of the output shaft of the shaft center motor, and a modified chassis is arranged on the outer surface of the shaft center motor; the modified chassis includes an adsorption disc shell. Adsorption mesh holes are evenly opened in the upper part of the inner cavity of the adsorption disc shell. The adsorption disc shell can perform adsorption and impurity removal work on the bearing ring during the grinding process through the adsorption mesh holes. Horizontal guiding grooves are symmetrically opened on the upper surface of the adsorption disc shell, and a matching clamping plate is slidably connected inside the horizontal guiding grooves;

[0006] The grinding component includes a height-adjusting base. A vertical baffle is slidably connected to the top of the inner wall of the height-adjusting base. A propulsion back box is fixedly connected to the back of the outer surface of the vertical baffle. A sliding inner rod is fixedly connected to the front of the propulsion back box through a segmented push rod. An inverted motor is fixedly connected to the bottom of the sliding inner rod. An eccentric oilstone sleeve is fixedly connected to the outer surface of the output shaft of the inverted motor. Although it is sleeved on the output shaft of the inverted motor, the axis of the inverted motor is adjacent to the axis of the eccentric oilstone sleeve and maintains a certain distance. Therefore, when the inverted motor controls the rotation of the eccentric oilstone sleeve, the actual rotation range of the eccentric oilstone sleeve will become larger.

[0007] Furthermore, a pressure-sensitive inner box is fixedly connected to the bottom of the inner cavity of the vertical baffle. A force-receiving push rod is slidably connected to the middle of the front surface of the pressure-sensitive inner box. The top end of the force-receiving push rod is rotatably connected to a rotating shaft roller. An expansion housing is fixedly connected to the middle of the inner cavity of the vertical baffle. A preloading component is arranged at the front end of the inner cavity of the expansion housing.

[0008] Furthermore, the bottom of the height-adjusting base is fixedly connected to the back of the upper surface of the support base plate. The outer surface of the sliding inner rod is slidably connected to the inner wall of the expansion housing through a guiding chute. The outer surface of the eccentric oilstone sleeve extends to the outside of the expansion housing. The outer surface of the force-receiving push rod is slidably connected to the inner cavity of the vertical baffle through a through port. The bottom end of the grinding bearing ring is slidably connected to the upper surface of the suction disc housing. The number of the matching clamping plates is two. A plurality of transfer rollers are evenly arranged on one side of the inner wall of the matching clamping plate close to the bottom of the grinding bearing ring. The outer surface of the transfer roller is rotatably connected to the inner wall of the matching clamping plate through a rotating groove.

[0009] Furthermore, two accommodating sliding shells are symmetrically fixed to both sides of the outer surface of the connecting rotating sleeve. A pushing sliding plate is slidably connected to the inner wall of the accommodating sliding shell. Inner pressure sliding plates are symmetrically arranged on both sides of the inner cavity of the pushing sliding plate. The surface of the inner pressure sliding plate in contact with the grinding bearing ring is an arc surface structure so as to fit the inner wall of the grinding bearing ring to the greatest extent and increase the friction force with the inner wall of the grinding bearing ring. A wall-attached accommodating shell is slidably connected to one side of the outer surface of the inner pressure sliding plate far from the inner wall of the grinding bearing ring. A pressure-sensitive plate is fixedly connected to one side of the inner wall of the wall-attached accommodating shell close to the accommodating sliding shell. The pressure-receiving surface of the pressure-sensitive plate is fixedly connected to the outer surface of the inner pressure sliding plate through an elastic pressure rod. The outer surface of the inner pressure sliding plate far from the elastic pressure rod is mutually pressed against the inner wall of the grinding bearing ring. The number of the accommodating sliding shells is two, and the number of the inner pressure sliding plates is four.

[0010] Furthermore, the preloading component includes a bent slider. Metal connecting rods are symmetrically arranged on both sides of the bent slider. The end of the metal connecting rod far from the bent slider is fixedly connected to a vertical connecting plate. The outer surface of the vertical connecting plate is slidably connected to a fixed strip housing. A pressing element is fixedly connected to the bottom of the inner wall of the fixed strip housing. A compression connecting cylinder is fixedly connected to the upper surface of the pressing element.

[0011] Further, the number of the fixed strip cases is two. The outer surface of the vertical connecting plate is slidably connected to one side of the inner wall of the fixed strip case close to the bending slider through a vertical sliding groove. The top of the vertical connecting plate is fixedly connected to the top end of the compression connecting cylinder. The bottom end of the pressing element extends to the outside of the fixed strip case through an external wire. The pressing element transmits the pressure of the compression connecting cylinder to a pressure measuring computer outside the device through the wire at the bottom end, so as to adjust the distance between the expansion housing and the grinding bearing ring. The outer surface of the fixed strip case is fixedly connected to the inner cavity of the expansion housing. The outer surface of the bending slider is slidably connected to the inner wall of the expansion housing, and the bottom end of the bending slider extends to the outside of the expansion housing. The bottom of the bending slider is mutually pressed against the top of the grinding bearing ring.

[0012] The beneficial effects of the present invention are as follows:

[0013] 1. The device can perform relatively precise grinding work on the bearing ring placed on the rotating shaft device through the grinding component, so that the outer surface of the bearing ring becomes relatively smooth. Since the adsorption disc case at the bottom can limit the bearing rings of different sizes through the cooperating clamping plates on both sides, and the grinding component can also be adjusted according to the actual situation, the device can be applied to grinding work of many bearing rings of different sizes, meeting various processing requirements and improving the general performance of the device.

[0014] 2. The oilstone sleeve of the device does not rotate stably around the inverted motor, but eccentrically rotates on the rotating shaft of the inverted motor, so that through the high-frequency vibration of the oilstone sleeve and the contact action with the outer surface of the grinding bearing ring, the outer surface of the grinding bearing ring is cleaned. And when vibrating at high frequency, residues are not easily adhered to the outer surface of the bearing ring, and the adsorption disc case at the bottom can timely clean up the falling impurities, so there will be no problem of messy processing environment caused by flying impurities.

[0015] 3. When the device adjusts the propulsion slide plate to apply an appropriate extrusion force to the inner wall of the eccentric sleeve, in order to avoid the problem of excessive pressure on the inner wall of the eccentric sleeve causing deformation and damage to the inner wall of the eccentric sleeve, when the propulsion slide plate is about to contact the inner wall of the eccentric sleeve, the propulsion speed of the accommodation slide case is first decelerated by means of buffer preloading through the inner pressure slide plate, so that the propulsion slide plate stops moving in time to avoid the problem of excessive propulsion.

[0016] 4. When the expansion housing descends, the bending slider located below first contacts the top of the grinding bearing ring, and the actual propulsion distance of the eccentric oilstone sleeve on the grinding bearing ring is fed back through the wire, so as to ensure that the propulsion distance of the eccentric oilstone sleeve is controllable, and limit the actual sliding distance of the eccentric oilstone sleeve to prevent the eccentric oilstone sleeve from contacting the adsorption disc case below and causing wear to the adsorption disc case. Description of the Drawings

[0017] Figure 1 It is a front view of the present invention;

[0018] Figure 2 is a cross-sectional view of the present invention;

[0019] Figure 3 is a cross-sectional view of the rotating shaft device of the present invention;

[0020] Figure 4 It is a structural schematic diagram of the modified chassis of the present invention;

[0021] Figure 5 is a cross-sectional view of the grinding component of the present invention;

[0022] Figure 6 The present invention Figure 3 The enlarged view of point A in the middle;

[0023] Figure 7 It is a cross-sectional view of the pre-pressing component of the present invention.

[0024] In the figure: 1, supporting base plate; 2, rotating shaft device; 3, grinding parts; 4, grinding bearing ring; 21, axis motor; 22, connecting sleeve; 23, accommodating sliding shell; 24, pushing slide plate; 25, internal pressure slide plate; 26, elastic pressure rod; 27, pressure sensing plate; 28, wall-attached accommodating shell; 31, height adjustment base; 32, vertical baffle; 33, pushing back box; 34, sliding inner rod; 35, inverted motor; 36, offset Core oilstone sleeve; 37. Pressure-sensitive inner box; 38. Force-bearing push rod; 39. Rotating shaft roller; 310. Extended outer shell; 5. Modified chassis; 51. Adsorption disc shell; 52. Adsorption mesh; 53. Horizontal guide groove; 54. Matching splint; 55. Transfer roller; 6. Pre-stressing component; 61. Bending slider; 62. Metal connecting rod; 63. Vertical connecting plate; 64. Fixed strip shell; 65. Compression connecting tube; 66. Pressing element. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0026] Example 1, please refer to Figures 1 - 5, the present invention provides a technical solution: a multi-surface ultra-precision grinding device for bearing ring processing, including a support base plate 1, a rotating shaft device 2 is arranged on the upper surface of the support base plate 1, a grinding bearing ring 4 is arranged inside the rotating shaft device 2, and a grinding component 3 is arranged on the back of the support base plate 1;

[0027] The rotating shaft device 2 includes a shaft center motor 21, a connecting rotating sleeve 22 is fixedly connected to the outer surface of the output shaft of the shaft center motor 21, and a modified chassis 5 is arranged on the outer surface of the shaft center motor 21; the modified chassis 5 includes an adsorption disc housing 51, adsorption mesh holes 52 are uniformly opened in the upper part of the inner cavity of the adsorption disc housing 51, and the adsorption disc housing 51 can perform adsorption and impurity removal work on the bearing ring during the grinding process through the adsorption mesh holes 52. Horizontal guiding grooves 53 are symmetrically opened on the upper surface of the adsorption disc housing 51, and a matching clamping plate 54 is slidably connected inside the horizontal guiding grooves 53;

[0028] The grinding component 3 includes a height-adjusting base 31, a vertical baffle 32 is slidably connected to the top of the inner wall of the height-adjusting base 31, a propulsion back box 33 is fixedly connected to the back of the outer surface of the vertical baffle 32, a sliding inner rod 34 is fixedly connected to the front of the propulsion back box 33 through a segmented push rod, an inverted motor 35 is fixedly connected to the bottom of the sliding inner rod 34, and an eccentric oilstone sleeve 36 is fixedly connected to the outer surface of the output shaft of the inverted motor 35. Although it is sleeved on the output shaft of the inverted motor 35, the axis of the inverted motor 35 is adjacent to the axis of the eccentric oilstone sleeve 36 and maintains a certain distance. Therefore, when the inverted motor 35 controls the rotation of the eccentric oilstone sleeve 36, the actual rotation range of the eccentric oilstone sleeve 36 will become larger.

[0029] A pressure-sensitive inner box 37 is fixedly connected to the bottom of the inner cavity of the vertical baffle 32, a force-receiving push rod 38 is slidably connected to the middle of the front of the pressure-sensitive inner box 37, a rotating shaft roller 39 is rotatably connected to the top of the force-receiving push rod 38, and an expansion housing 310 is fixedly connected to the middle of the inner cavity of the vertical baffle 32. A preloading component 6 is arranged at the front end of the inner cavity of the expansion housing 310.

[0030] The bottom of the height-adjusting base 31 is fixedly connected to the back of the upper surface of the support base plate 1, the outer surface of the sliding inner rod 34 is slidably connected to the inner wall of the expansion housing 310 through a guiding chute, the outer surface of the eccentric oilstone sleeve 36 extends to the outside of the expansion housing 310, and the outer surface of the force-receiving push rod 38 is slidably connected to the inner cavity of the vertical baffle 32 through a through hole. The bottom end of the grinding bearing ring 4 is slidably connected to the upper surface of the adsorption disc housing 51. The number of the matching clamping plates 54 is two groups, and transfer rollers 55 are uniformly arranged on one side of the inner wall of the matching clamping plate 54 close to the bottom of the grinding bearing ring 4, and the outer surface of the transfer roller 55 is rotatably connected to the inner wall of the matching clamping plate 54 through a rotating groove.

[0031] Before using this device to finish-grind the grinding bearing ring 4, first pull apart the matching clamping plates 54 on both sides of the suction disc housing 51, then insert the bottom of the grinding bearing ring 4 into the gap opened between the matching clamping plates 54. Subsequently, release the matching clamping plates 54. The matching clamping plates 54 in the same group are pulled by the bottom spring and fit together along the horizontal guiding groove 53, and are clamped with the bottom of the grinding bearing ring 4 through the transfer rollers 55 on its inner wall.

[0032] On both sides of the connecting sleeve 22 on the output shaft of the shaft center motor 21, corresponding adapter devices are provided, which can push out the inner wall of the grinding bearing ring 4, so as to clamp and fix the grinding bearing ring 4. Then, twist the grinding bearing ring 4 to cooperate with the work of the grinding component 3 to grind the outer surface of the rotating grinding bearing ring 4.

[0033] When the bearing ring rotates, the height-adjusting base 31 on the back pulls down the vertical baffle 32. At this time, the expansion housing 310 drives the sliding inner rod 34 and the eccentric oilstone sleeve 36 on the front side to descend. Then, the propulsion back box 33 pushes the sliding inner rod 34 towards the side close to the outer surface of the grinding bearing ring 4 through the segmented rod, so that the inverted motor 35 controls the rotating eccentric oilstone sleeve 36 to be able to contact the grinding bearing ring 4, and further fully grind the outer surface of the grinding bearing ring 4.

[0034] When the eccentric oilstone sleeve 36 rotates, since the actual rotation range of the eccentric oilstone sleeve 36 is larger than itself, the eccentric oilstone sleeve 36 is not always in contact with the grinding bearing ring 4, but indirectly and frequently friction-grinds the outer surface of the grinding bearing ring 4. Therefore, in order to obtain the actual rotation range of the eccentric oilstone sleeve 36, after the sliding inner rod 34 stops moving, the rotating shaft roller 39 that always fits with the eccentric oilstone sleeve 36 will squeeze the pressure-sensitive inner box 37 under the action of the rotation thrust of the eccentric oilstone sleeve 36, so as to obtain the actual rotation range of the eccentric oilstone sleeve 36, and avoid the problem that the grinding bearing ring 4 is worn excessively due to the too-close distance between the eccentric oilstone sleeve 36 and the grinding bearing ring 4.

[0035] The particulate impurities ground off from the outer surface of the bearing ring will be adsorbed by the adsorption mesh holes 52 on the upper surface of the suction disc housing 51, thereby realizing the impurity removal work. And when the grinding bearing ring 4 rotates, it will roll relatively with the inner wall of the matching clamping plate 54 through the transfer roller 55, thereby effectively reducing the frictional resistance received by the grinding bearing ring 4, so that the grinding bearing ring 4 rotates more smoothly.

[0036] Example 2, please refer to Figures 1 - 7, the present invention provides a technical solution: on the basis of Embodiment 1, two accommodating sliding shells 23 are symmetrically and fixedly connected to the outer surface of the connecting rotating sleeve 22. A pushing sliding plate 24 is slidably connected to the inner wall of the accommodating sliding shell 23. On both sides of the inner cavity of the pushing sliding plate 24, inner pressing sliding plates 25 are symmetrically arranged. The surface of the inner pressing sliding plate 25 in contact with the grinding bearing ring 4 is an arc surface structure, so as to fit the inner wall of the grinding bearing ring 4 to the greatest extent and increase the friction with the grinding bearing ring 4. On the side of the outer surface of the inner pressing sliding plate 25 away from the inner wall of the grinding bearing ring 4, a wall-attached accommodating shell 28 is slidably connected. On the side of the inner wall of the wall-attached accommodating shell 28 close to the accommodating sliding shell 23, a pressure-sensitive plate 27 is fixedly connected. The pressure-receiving surface of the pressure-sensitive plate 27 is fixedly connected to the outer surface of the inner pressing sliding plate 25 through an elastic pressing rod 26. The side of the outer surface of the inner pressing sliding plate 25 away from the elastic pressing rod 26 is mutually extruded with the inner wall of the grinding bearing ring 4. The number of the accommodating sliding shells 23 is two, and the number of the inner pressing sliding plates 25 is four.

[0037] The preloading component 6 includes a bending slider 61. On both sides of the bending slider 61, metal connecting rods 62 are symmetrically arranged. One end of the metal connecting rod 62 away from the bending slider 61 is fixedly connected to a vertical connecting plate 63. A fixed strip shell 64 is slidably connected to the outer surface of the vertical connecting plate 63. At the bottom of the inner wall of the fixed strip shell 64, a downward pressing element 66 is fixedly connected. On the upper surface of the downward pressing element 66, a compression connecting cylinder 65 is fixedly connected.

[0038] The number of the fixed strip shells 64 is two. The outer surface of the vertical connecting plate 63 is slidably connected to the side of the inner wall of the fixed strip shell 64 close to the bending slider 61 through a vertical sliding groove. The top of the vertical connecting plate 63 is fixedly connected to the top end of the compression connecting cylinder 65. The bottom end of the downward pressing element 66 extends to the outside of the fixed strip shell 64 through an external wire. The downward pressing element 66 transmits the pressure of the compression connecting cylinder 65 to a pressure measuring computer outside the device through the wire at the bottom end, so as to adjust the distance between the expansion housing 310 and the grinding bearing ring 4. The outer surface of the fixed strip shell 64 is fixedly connected to the inner cavity of the expansion housing 310. The outer surface of the bending slider 61 is slidably connected to the inner wall of the expansion housing 310, and the bottom end of the bending slider 61 extends to the outside of the expansion housing 310. The bottom of the bending slider 61 is mutually extruded with the top of the grinding bearing ring 4.

[0039] The two accommodating sliding shells 23 on both sides can adjust the extrusion force between the outer surface of the pushing sliding plate 24 and the grinding bearing ring 4 by pushing the pushing sliding plate 24 outwards, so as to drive the grinding bearing ring 4 to rotate. When the pushing sliding plate 24 is about to contact the inner wall of the grinding bearing ring 4, the two inner pressing sliding plates 25 on both sides first squeeze with the inner wall of the grinding bearing ring 4, and then shrink into the inner part of the wall-attached accommodating shell 28, and trigger the pressure-sensitive plate 27 through the elastic pressing rod 26, so that the accommodating sliding shell 23 controls the moving speed of the pushing sliding plate 24 to decrease, and further makes the extrusion force between the pushing sliding plate 24 and the grinding bearing ring 4 appropriate.

[0040] When the extended housing 310 descends, the lower bending slider 61 first contacts the top of the grinding bearing ring 4, and then the bending slider 61 slides upward with the extrusion force, driving the compression connecting cylinder 65 to elongate through the vertical connecting plate 63. At this time, the downward pressing element 66 will feedback the actual advancing distance of the eccentric oilstone sleeve 36 on the grinding bearing ring 4 through the wire due to the reduced pressure of the compression connecting cylinder 65, thereby ensuring that the advancing distance of the eccentric oilstone sleeve 36 is controllable.

[0041] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art and related fields based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention. The structures, devices, and operation methods not specifically described and explained in the present invention, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. A multi-surface superfinishing grinding device for machining a bearing ring, comprising a supporting base plate (1), a rotating shaft device (2) being arranged on the upper surface of the supporting base plate (1), a grinding bearing ring (4) being arranged inside the rotating shaft device (2), and a grinding component (3) being arranged on the back of the supporting base plate (1), characterized in that: The rotating shaft device (2) comprises an axial motor (21), the outer surface of the output shaft of the axial motor (21) is fixedly connected to a connecting sleeve (22), and the outer surface of the axial motor (21) is provided with a modified chassis (5); The modified chassis (5) comprises an adsorption disk shell (51), the upper part of the inner cavity of the adsorption disk shell (51) is evenly provided with adsorption mesh holes (52), the upper surface of the adsorption disk shell (51) is symmetrically provided with horizontal guide grooves (53), and the interior of the horizontal guide groove (53) is slidably connected with a matching clamping plate (54); The grinding component (3) comprises a height-adjusting base (31), the top of the inner wall of the height-adjusting base (31) is slidably connected to a vertical baffle (32), the back of the outer surface of the vertical baffle (32) is fixedly connected to a propulsion back box (33), the front of the propulsion back box (33) is fixedly connected to a sliding inner rod (34) via a segmented push rod, the bottom of the sliding inner rod (34) is fixedly connected to an inverted motor (35), and the outer surface of the output shaft of the inverted motor (35) is fixedly connected to an eccentric oilstone sleeve (36); The bottom of the inner cavity of the vertical baffle (32) is fixedly connected to a pressure-sensitive inner box (37), the middle of the front of the pressure-sensitive inner box (37) is slidably connected to a force-bearing push rod (38), the top of the force-bearing push rod (38) is rotatably connected to a rotating shaft roller (39), the middle of the inner cavity of the vertical baffle (32) is fixedly connected to an extended outer shell (310), and the front end of the inner cavity of the extended outer shell (310) is provided with a pre-pressing component (6); The bottom of the height-adjusting base (31) is fixedly connected to the back of the upper surface of the supporting base plate (1); the outer surface of the sliding inner rod (34) is slidably connected to the inner wall of the extension shell (310) via a guide groove; the outer surface of the eccentric oilstone sleeve (36) extends to the outside of the extension shell (310); and the outer surface of the force-bearing push rod (38) is slidably connected to the inner cavity of the vertical baffle (32) via a through opening; The bottom end of the grinding bearing ring (4) is slidably connected to the upper surface of the adsorption disk shell (51), the number of the matching clamping plates (54) is two groups, and the inner wall of the matching clamping plates (54) is evenly provided with transfer rollers (55) on one side close to the bottom of the grinding bearing ring (4), and the outer surface of the transfer roller (55) is rotatably connected to the inner wall of the matching clamping plates (54) through a rotation groove; A receiving sliding shell (23) is symmetrically fixed on both sides of the outer surface of the connecting rotating sleeve (22), a propulsion slide (24) is slidably connected to the inner wall of the receiving sliding shell (23), an internal pressure slide (25) is symmetrically arranged on both sides of the inner cavity of the propulsion slide (24), a side of the outer surface of the internal pressure slide (25) away from the inner wall of the grinding bearing ring (4) is slidably connected to a wall-attached receiving shell (28), and a side of the inner wall of the wall-attached receiving shell (28) close to the receiving sliding shell (23) is fixedly connected to a pressure-sensitive plate (27); The pressure-bearing surface of the pressure-sensitive plate (27) is fixedly connected to the outer surface of the internal pressure slide plate (25) via an elastic pressure rod (26); the side of the outer surface of the internal pressure slide plate (25) away from the elastic pressure rod (26) is pressed against the inner wall of the grinding bearing ring (4); the number of the accommodating slide shells (23) is two, and the number of the internal pressure slide plates (25) is four; The pre-pressing component (6) comprises a curved slider (61), metal connecting rods (62) are symmetrically arranged on both sides of the curved slider (61), one end of the metal connecting rod (62) away from the curved slider (61) is fixedly connected to a vertical connecting plate (63), the outer surface of the vertical connecting plate (63) is slidably connected to a fixed strip shell (64), the bottom of the inner wall of the fixed strip shell (64) is fixedly connected to a pressing element (66), and the upper surface of the pressing element (66) is fixedly connected to a compression connecting tube (65).

2. The multi-surface superfinishing grinding device for bearing ring processing according to claim 1, characterized in that: The number of the fixed strip shells (64) is two, the outer surface of the vertical connecting plate (63) is slidably connected to the inner wall of the fixed strip shell (64) near the curved slider (61) through a vertical sliding groove, the top of the vertical connecting plate (63) is fixedly connected to the top of the compression connecting tube (65), and the bottom end of the pressing element (66) extends to the outside of the fixed strip shell (64) through an external wire.

3. The multi-surface superfinishing grinding device for bearing ring processing according to claim 2, characterized in that: The outer surface of the fixed strip shell (64) is fixedly connected to the inner cavity of the extended outer shell (310), the outer surface of the curved slider (61) is slidably connected to the inner wall of the extended outer shell (310), and the bottom end of the curved slider (61) extends to the outside of the extended outer shell (310), and the bottom of the curved slider (61) and the top of the grinding bearing ring (4) are pressed against each other.

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