Polishing device for bearing ring machining

Abstract

The utility model provides a polishing device for machining a bearing ring, which comprises a base, an inverted U-shaped support frame is fixedly connected to the upper side of the base, a polishing roller is arranged on the lower side of a top plate of the support frame, and the polishing roller can move transversely and longitudinally and can rotate while performing circular motion in a horizontal plane. Two clamping plates capable of moving in the transverse direction and the longitudinal direction are oppositely arranged at the positions, located on the left side and the right side in the supporting frame, of the upper portion of the base, a supporting circular truncated cone with the section of a multi-stage step structure is fixedly connected to the upper side of the base, and the supporting circular truncated cone is located below the grinding roller and located between the two clamping plates. The bearing ring grinding device has the advantages that when a bearing ring is placed, the appropriate step on the supporting circular truncated cone is selected for placement according to the size of the bearing ring, then the height and the horizontal position of the clamping plate are adjusted to clamp the bearing ring, and the bearing ring is ground through the grinding roller. The device is suitable for polishing various bearing rings of different specifications, the adaptability is higher, and polishing is convenient and fast.

Description

Technical Field

[0001] This utility model belongs to the field of bearing ring processing equipment, and in particular relates to a grinding device for processing bearing rings. Background Technology

[0002] Bearing races, as a key component of bearings, must be ground during production to remove surface burrs, ensuring a low coefficient of friction and guaranteeing rotational accuracy. However, the clamping components on the grinding equipment are often limited, primarily providing only horizontal adjustment. This can lead to unstable clamping when handling bearing races of different sizes. Utility Model Content

[0003] In view of this, the present invention aims to overcome the shortcomings of the above-mentioned problems in the prior art and proposes a grinding device for processing bearing rings.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A grinding device for processing bearing rings includes a base, an inverted U-shaped support frame fixedly connected to the upper side of the base, a grinding roller provided on the lower side of the top plate of the support frame, the grinding roller being able to move in the lateral and longitudinal directions, and being able to rotate while making circular motion in the horizontal plane, two clamping plates being provided opposite each other on the left and right sides of the support frame above the base, and a support frustum with a multi-step cross-section fixedly connected to the upper side of the base, the support frustum being located below the grinding roller and between the two clamping plates.

[0006] Furthermore, on the upper side of the base, inside the support frame, both the left and right sides are vertically provided with screws and guide rods. The tops of the two screws pass through the top of the support frame and are fixedly connected to a transmission wheel. A belt connects the two transmission wheels. A connecting cover is fixedly connected to the top of the support frame. The transmission wheel and belt are located inside the connecting cover. A first motor is fixedly connected to the top of the connecting cover corresponding to one of the screws. The output shaft of the first motor passes through the connecting cover and is fixedly connected to the top of the corresponding screw. A movable seat is connected between the screw and the guide rod on each side. A first telescopic unit is horizontally fixed to the opposite side of the two movable seats. A clamping plate is fixed to the end of each first telescopic unit.

[0007] Furthermore, multiple connecting blocks are provided horizontally outward at the bottom of the connecting cover.

[0008] Furthermore, the clamping plate has an arc-shaped structure and an anti-slip pad is provided on the inner side of the clamping plate.

[0009] Furthermore, the bottom of the supporting frustum is open, and the inside of the supporting frustum is a hollow structure. A connecting edge is provided circumferentially outward at the bottom of the supporting frustum, and multiple through holes are evenly opened on the connecting edge. A fixing hole is opened on the base corresponding to the through hole. The connecting edge is fixed to the upper side of the base by the cooperation of bolt and nut pair with the through hole and fixing hole.

[0010] Furthermore, a second telescopic unit is vertically fixed downwards at the lower side of the top plate of the support frame, a first fixed plate is fixed to the end of the second telescopic unit, a second motor is fixed downwards at the bottom of the first fixed plate, an L-shaped second fixed plate is fixed to the output shaft at the bottom of the second motor, a third telescopic unit is horizontally fixed to the bottom side of the second fixed plate, and an inverted L-shaped third fixed plate is fixed to the telescopic end of the third telescopic unit, a third motor is vertically fixed downwards on the inner side of the third fixed plate, and a grinding roller is fixed to the output shaft at the bottom of the third motor.

[0011] Compared with the prior art, this utility model has the following advantages:

[0012] The bearing ring grinding device described in this utility model involves placing the bearing ring on a suitable step on a supporting platform according to its size, adjusting the height and horizontal position of the clamping plate to hold the bearing ring, and then grinding it using a grinding roller. The supporting platform of this device is suitable for grinding bearing rings of various specifications, offering higher adaptability, better stability, and convenient and quick grinding. Attached Figure Description

[0013] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0014] Figure 1 This is a schematic diagram of the grinding device for processing bearing rings according to an embodiment of the present invention;

[0015] Figure 2 This is a front view of the grinding device for processing bearing rings according to an embodiment of the present invention;

[0016] Figure 3 This is a schematic diagram of the supporting frustum structure from the bottom view of an embodiment of the present invention.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1. Base; 2. Support frame; 3. Screw; 4. Guide rod; 5. Movable seat; 6. First telescopic unit; 7. Clamping plate; 8. Support frustum; 801. Connecting edge; 802. Through hole; 803. Cavity; 9. Bolt and nut pair; 10. Connecting cover; 1001. Connecting block; 11. First motor; 12. Second telescopic unit; 13. First fixing plate; 14. Second motor; 15. Second fixing plate; 16. Third telescopic unit; 17. Third fixing plate; 18. Third motor; 19. Grinding roller. Detailed Implementation

[0019] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] As shown in the figure, a grinding device for processing bearing rings includes a base 1. An inverted U-shaped support frame 2 is fixedly connected to the upper side of the base 1. A grinding roller 19 is provided on the lower side of the top plate of the support frame 2. The grinding roller 19 can move laterally and longitudinally, and can rotate while making circular motion in the horizontal plane. Two clamping plates 7, which can move laterally and longitudinally, are arranged opposite each other on the left and right sides inside the support frame 2 above the base 1. A support frustum 8 with a multi-step cross-section is fixedly connected to the upper side of the base 1. The support frustum 8 is located below the grinding roller 19 and between the two clamping plates 7. In this embodiment, when placing the bearing ring, a suitable step on the support frustum 8 is selected according to its size for placement. The bearing ring is limited by the corresponding step on the inner side of the bearing ring. Then, the height and horizontal position of the clamping plates 7 are adjusted to clamp the bearing ring, and grinding is performed by the grinding roller 19.

[0024] On the upper side of the base 1, inside the support frame 2, vertically mounted screws 3 and guide rods 4 are provided on both the left and right sides. The tops of the two screws 3 pass through the top of the support frame 2 and are fixedly connected to a transmission wheel. A belt connects the two transmission wheels. A connecting cover 10 is fixedly attached to the top of the support frame 2, with the transmission wheel and belt located inside the connecting cover 10. A first motor 11 is fixedly attached to the top of the connecting cover 10 corresponding to one of the screws 3. The output shaft of the first motor 11 passes through the connecting cover 10 and is fixedly connected to the top of the corresponding screw 3. A movable seat 5 is connected between the screw 3 and guide rod 4 on each side. A first telescopic unit 6 is horizontally fixed to the opposite side of each of the two movable seats 5. A clamping plate 7 is fixed to the end of each first telescopic unit 6. In this embodiment, the first motor 11 drives the screw 3 to rotate, and the transmission wheel and belt work together to drive the other screw 3 to rotate synchronously, thereby causing the two clamping plates 7 to move longitudinally synchronously. Then, the two first telescopic units 6 drive the clamping plates 7 to move relative to each other, clamping the bearing rings.

[0025] Multiple connecting blocks 1001 are provided horizontally outward at the bottom of the connecting cover 10. In this embodiment, the connecting blocks 1001 and the connecting cover 10 are integrally formed.

[0026] The clamping plate 7 has an arc-shaped plate structure, and an anti-slip pad is provided on the inner side of the clamping plate 7.

[0027] The supporting frustum 8 has an opening at its bottom and a hollow cavity 803 inside to reduce weight. A connecting edge 801 is provided circumferentially outward at the bottom of the supporting frustum 8, and multiple through holes 802 are evenly distributed on the connecting edge 801. A fixing hole is provided on the base 1 corresponding to the through holes 802. The connecting edge 801 is fixed to the upper side of the base 1 by the engagement of bolt and nut pairs 9 with the through holes 802 and the fixing holes. In this embodiment, the connecting edge 801 and the supporting frustum 8 are integrally formed.

[0028] A second telescopic unit 12 is vertically fixed downward at the lower side of the top plate of the support frame 2. A first fixing plate 13 is fixed to the end of the second telescopic unit 12. A second motor 14 is fixed downward at the bottom of the first fixing plate 13. An L-shaped second fixing plate 15 is fixed to the output shaft at the bottom of the second motor 14. A third telescopic unit 16 is horizontally fixed to the bottom side of the second fixing plate 15. An inverted L-shaped third fixing plate 17 is fixed to the telescopic end of the third telescopic unit 16. A third motor 18 is vertically fixed downward inside the third fixing plate 17. A grinding roller 19 is fixed to the output shaft at the bottom of the third motor 18.

[0029] In this embodiment, the first telescopic unit 6, the second telescopic unit 12, and the third telescopic unit 16 are all electric push rods.

[0030] The working process of this embodiment is as follows:

[0031] Select a suitable step on the supporting frustum 8 according to the size of the bearing ring, then start the first motor 11 to drive the two screws 3 to rotate, thereby adjusting the height of the clamping plate 7. Then, move the clamping plate 7 forward through the first telescopic unit 6 to clamp the bearing ring. Then, start the second telescopic unit 12 to adjust the position of the grinding roller 19 downward, and at the same time, start the third telescopic unit 16 to adjust the position of the grinding roller 19 horizontally, so that the grinding roller 19 reaches the bearing ring to be ground. Start the third motor 18 to drive the grinding roller 19 to rotate axially along the output shaft of the third motor 18, and start the second motor 14 to drive the grinding roller 19 to rotate axially along the output shaft of the second motor 14, finally realizing the grinding of the bearing ring by the grinding roller 19.

[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A grinding device for machining bearing rings, comprising a base, a reverse U-shaped support frame is fixed on the upper side of the base, a grinding roller is arranged on the lower side of the top plate of the support frame, the grinding roller can move in the transverse direction and the longitudinal direction, and can rotate while performing circumferential motion in the horizontal plane, characterized in that: Two clamping plates capable of moving in the transverse and longitudinal directions are oppositely arranged at the left and right sides inside the support frame above the base, and a support circular table with a multi-stage stepped structure is fixed on the upper side of the base, the support circular table is located below the polishing roller and between the two clamping plates.

2. The polishing apparatus for machining a bearing ring according to claim 1, characterized in that: A screw rod and a guide rod are vertically arranged at the left and right sides inside the upper side of the base, the top ends of the two screw rods pass through the top of the support frame and are fixedly connected with transmission wheels, a belt is connected between the two transmission wheels, a connecting cover is fixed on the top of the support frame, the transmission wheels and the belt are located inside the connecting cover, a first motor is fixedly connected at the top of the connecting cover and corresponds to one of the screw rods, the output shaft of the first motor is fixedly connected with the top end of the corresponding screw rod through the connecting cover, a moving seat is connected between the screw rod and the guide rod on each side, a first telescopic unit is horizontally fixed on the side opposite to the moving seat on each side, and the clamping plate is fixed at the end of each first telescopic unit.

3. A grinding apparatus for machining a bearing ring according to claim 2, characterized in that: A plurality of connecting blocks are horizontally arranged outward at the bottom of the connecting cover.

4. The polishing apparatus for machining a bearing ring according to claim 1, characterized in that: The clamping plate is an arc-shaped plate structure, and an anti-skid pad is arranged on the inner side of the clamping plate.

5. The polishing apparatus for machining a bearing ring according to claim 1, characterized in that: The bottom of the support circular table is open, and the inside of the support circular table is a hollow structure, a connecting rim is arranged outward in the circumferential direction at the bottom of the support circular table, a plurality of through holes are uniformly arranged on the connecting rim, a fixing hole is arranged on the base corresponding to the through hole, and the connecting rim is fixedly connected on the upper side of the base through the cooperation of the bolt-nut pair, the through hole and the fixing hole.

6. The polishing apparatus for machining a bearing ring according to claim 1, wherein: A second telescopic unit is vertically and downward fixed at the lower side of the top plate of the support frame, a first fixed plate is fixed at the end of the second telescopic unit, a second motor is downward fixed at the bottom of the first fixed plate, an L-shaped second fixed plate is fixedly connected with the output shaft at the bottom of the second motor, a third telescopic unit is horizontally fixed at the bottom side of the second fixed plate, an inverted L-shaped third fixed plate is fixed at the end of the telescopic end of the third telescopic unit, a third motor is vertically and downward fixed at the inner side of the third fixed plate, and a polishing roller is fixedly connected with the output shaft at the bottom of the third motor.

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