Bearing lapping device

Abstract

The utility model discloses a bearing lapping device, which relates to the bearing lapping field, and comprises a base table and a rotary table, the base table is internally provided with a stepping motor, the output end of the stepping motor is provided with a connecting shaft, the rotary table is fixed on the top of the connecting shaft, and the bottom of the rotary table is provided with two groups of pulleys. An adjusting rod is arranged in the rotary table, the outer side of one end of the adjusting rod is in threaded connection with a first adjusting block, the outer side of the other end of the adjusting rod is in threaded connection with a second adjusting block, a first connecting block is fixed to the top of the first adjusting block, and an outer moving ring is arranged at the top of the first connecting block; a second connecting block is fixed to the top of the second adjusting block, and an inner moving ring is arranged at the top of the second connecting block. According to the utility model, the two groups of bearings can be conveniently and synchronously subjected to inner ring and outer ring lapping processing, and the two groups of bearings can be stably and conveniently disassembled and clamped, so that the bearings have good stability in the processing process.

Description

Technical Field

[0001] The utility model relates to the field of bearing precision grinding, and specifically relates to a bearing precision grinding device. Background Art

[0002] A bearing is a component used to determine the relative movement position of a rotating shaft and other parts, and plays a supporting or guiding role. According to its working mode and structural characteristics, bearings can be mainly divided into two categories: sliding bearings and rolling bearings. Bearings are widely used in various mechanical equipment, such as metallurgy, wind power, mining machinery, aerospace, automotive parts, etc.;

[0003] Bearing precision grinding aims to improve the dimensional and shape accuracy of the rolling surface of the bearing, reduce the roughness, remove the deteriorated layer, and improve the rotational accuracy. However, in the traditional bearing precision grinding process, two or more devices are required to perform precision grinding on the inner and outer surfaces of the bearing, which increases the capital cost, processing time, and efficiency. Content of the Utility Model

[0004] Based on this, the purpose of the utility model is to provide a bearing precision grinding device, which can perform relatively convenient synchronous inner ring and outer ring precision grinding functions on two groups of bearings, and provide a relatively stable and detachable clamping function for the two groups of bearings, so that the bearings have better stability during the processing.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A bearing precision grinding device, including a base table and a turntable;

[0006] A stepping motor is arranged inside the base table, and a connecting shaft is installed at the output end of the stepping motor. A turntable is fixed at the top of the connecting shaft. Two groups of pulleys are arranged at the bottom of the turntable. An adjusting rod is arranged inside the turntable. A first adjusting block is threadedly connected to the outer side of one end of the adjusting rod, and a second adjusting block is threadedly connected to the outer side of the other end of the adjusting rod. A first connecting block is fixed at the top of the first adjusting block, and an outer moving ring is arranged at the top of the first connecting block. A second connecting block is fixed at the top of the second adjusting block, and an inner moving ring is arranged at the top of the second connecting block.

[0007] Furthermore, a groove-shaped structure chute for the pulley to slide is opened inside the base table, and the surface of the chute is polished to reduce the frictional loss of the pulley.

[0008] Furthermore, the vertical section of the connecting shaft is in the shape of "I" to improve the support stability between the stepping motor and the turntable.

[0009] Furthermore, one side of the top of the turntable is fixedly provided with an outer fixing ring, and a set of bearing rings are attached to the inner side of the outer fixing ring. At the diagonal position of the top of the turntable and the outer fixing ring, an inner fixing ring is fixedly provided, and another set of bearing rings are attached to the outer side of the inner fixing ring.

[0010] Furthermore, a first driving motor is arranged inside the turntable, and the output end of the first driving motor is fixedly connected to one end of the adjusting rod close to the inner fixing ring, and the adjusting rod is arranged obliquely at 45 degrees inside the turntable.

[0011] Furthermore, two sets of support columns are arranged at both ends of the top of the base table, and a support plate is fixedly provided at the top of the two sets of support columns. A telescopic pump is arranged at the top of the support plate, and the output end of the telescopic pump penetrates through the support plate and is connected to a connecting plate.

[0012] Furthermore, two sets of second driving motors are arranged at the bottom of the connecting plate. The output end of one set of second driving motors is provided with an inner precision grinder, and the output end of the other set of second driving motors is provided with an outer precision grinder.

[0013] In summary, the main beneficial effects of the present utility model are as follows:

[0014] 1. Through the outer fixing ring and the outer moving ring, the present utility model can provide a stable inner ring precision grinding and fastening function for a set of bearing rings. At the same time, through the inner fixing ring and the inner moving ring, it can provide a stable outer inspection precision grinding and fastening function for a set of bearing rings.

[0015] 2. By respectively threading the adjusting rod with the first adjusting block and the second adjusting block, the present utility model can provide a synchronous moving function for the outer moving ring and the inner moving ring to synchronously fasten the two sets of bearing rings.

[0016] 3. By arranging a groove-shaped structure chute for the pulley to slide inside the base table, when the turntable rotates, the present utility model can improve the stability and friction resistance. At the same time, the connecting shaft provides a relatively stable connection function for the turntable and the stepping motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a schematic top view of the connection between the base table and the turntable of the present utility model;

[0019] Figure 3 is a schematic top view sectional structure diagram of the connection between the adjusting rod and the first adjusting block and the second adjusting block of the present utility model;

[0020] Figure 4 is a schematic side view sectional structure diagram of the connection between the first adjusting block and the first connecting block of the present utility model;

[0021] Figure 5 This is a front view sectional structure schematic diagram of the connection between the pulley and the chute of the present utility model.

[0022] In the figure: 1, base table; 2, turntable; 3, outer fixing ring; 4, bearing ring; 5, inner fixing ring; 6, adjusting rod; 7, first adjusting block; 8, first connecting block; 9, outer moving ring; 10, first driving motor; 11, second adjusting block; 12, second connecting block; 13, inner moving ring; 14, connecting shaft; 15, stepping motor; 16, pulley; 17, chute; 18, support column; 19, support plate; 20, telescopic pump; 21, connecting plate; 22, second driving motor; 23, inner precision grinder; 24, outer precision grinder. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and should not be construed as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0026] Next, the embodiments of the present utility model will be described according to its overall structure.

[0027] In this embodiment, please refer to Figure 2 and Figure 5, a technical solution: including a base table 1 for installation with an external support frame and providing a stable installation function for the upper integral parts and a turntable 2 for providing an operating environment for the bearing ring 4 that needs to be finely ground, a stepper motor 15 is arranged inside the base table 1, and a connecting shaft 14 is installed at the output end of the stepper motor 15, and a turntable 2 is fixed on the top of the connecting shaft 14, wherein the stepper motor 15 is an existing stepper motor, which is electrically connected to an external control center to control the intermittent rotation of the connecting shaft 14, and the connecting shaft 14 is used to form an integrated structure with the turntable 2 and the stepper motor 15, and the vertical interface of the connecting shaft 14 is an "I" shape, which improves the stable rigidity of the connection between the turntable 2 and the stepper motor 15, and the stepper motor 15 rotates the turntable 2 clockwise or counterclockwise through the connecting shaft 14, 45 degrees each time, and four rotations constitute a circle.

[0028] For further information, see Figure 5 Two groups of pulleys 16 are arranged at the bottom of the turntable 2, and a groove-shaped slide groove 17 for the pulley 16 to slide is opened on the inner side of the base platform 1. The turntable 2 reduces the risk of friction damage caused by the shaking of both sides and the base platform 1 when the turntable 2 rotates through the two groups of pulleys 16 at the bottom. The surface of the slide groove 17 is polished, so as to reduce the friction between the pulley 16 and the slide groove 17 in a sliding state, thereby reducing the friction loss of the pulley 16 and improving the service life of the pulley 16.

[0029] For further information, see Figure 2 An outer fixing ring 3 is fixed on one side of the top of the turntable 2, and a group of bearing rings 4 are attached to the inner side of the outer fixing ring 3, wherein the outer fixing ring 3 is used to press against one side of the bearing ring 4 that needs to be finely ground on the inner ring, so as to provide a limiting function for the bearing ring 4 that needs to be finely ground on the inner ring, and a soft rubber pad is attached to the inner side of the outer fixing ring 3, which is used to provide a protective function for the outer wall of the bearing ring 4, and also to prevent the grinding accuracy error caused by the protrusion of fine particles on the outer ring through the elasticity of the rubber pad itself.

[0030] For further information, see Figure 2 An inner fixing ring 5 is fixed on the top of the turntable 2 at a diagonal position to the outer fixing ring 3, and another group of bearing rings 4 are attached to the outer side of the inner fixing ring 5, wherein the inner fixing ring 5 is arranged diagonally to the outer fixing ring 3, and the inner fixing ring 5 is used to press against the inner side of the bearing ring 4 that needs to be finely ground on the outer ring, and provide a limiting function, and a soft rubber pad is also attached to the side of the inner fixing ring 5 close to the bearing ring 4 to prevent scratches on the inner ring of the bearing ring 4 that has been finely ground on the inner ring.

[0031] For further information, see Figure 2 , Figure 3 and Figure 4, an adjusting rod 6 is arranged inside the turntable 2, and a first adjusting block 7 is threadedly connected to the outer side of one end of the adjusting rod 6, and a second adjusting block 11 is threadedly connected to the outer side of the other end of the adjusting rod 6. A first driving motor 10 is arranged inside the turntable 2, and the output end of the first driving motor 10 is fixedly connected to one end of the adjusting rod 6 close to the inner fixing ring 5. Among them, the first driving motor 10 is an existing driving motor, which is electrically connected to the external control center in the same way as the synchronous motor 15, and is used to drive the adjusting rod 6 to rotate. The adjusting rod 6 drives the first adjusting block 7 and the second adjusting block 11 to move in the same direction through threaded connections respectively, so that the first adjusting block 7 drives the outer moving ring 9 to move through the upper first connecting block 8, and the second adjusting block 11 drives the inner moving ring 13 to move through the upper second connecting block 12. The adjusting rod 6 is arranged obliquely at 45 degrees inside the turntable 2. Grooved structures for the first connecting block 8 and the second connecting block 12 to slide respectively are arranged inside the turntable 2, and a limiting complementary function is provided. The distances moved by the outer moving ring 9 and the inner moving ring 13 are the same, and the outer moving ring 9 and the outer fixing ring 3 can be pressed tightly to provide a stable fastening function for a group of bearing rings 4 inside, and the inner moving ring 13 and the inner fixing ring 5 can provide forces in opposite directions to the inside of the other group of bearing rings 4 to fasten them.

[0032] Further, please refer to Figure 1 , two groups of support columns 18 are arranged at both ends of the top of the base table 1, and a support plate 19 is fixed to the tops of the two groups of support columns 18. A telescopic pump 20 is arranged on the top of the support plate 19, and the output end of the telescopic pump 20 penetrates through the support plate 19 and is connected to a connecting plate 21. Among them, the support columns 18 provide a supporting function for the upper support plate 19 through the base table 1. The telescopic pump 20 is an existing electric telescopic rod, which is fixedly connected to the support plate 19 by using existing installation techniques and is electrically connected to the external control center. The output end of the telescopic pump 20 penetrates through the middle of the support plate 19, and the output end of the telescopic pump 20 is connected to the connecting plate 21 by using existing techniques. The connecting plate 21 provides lifting movement for the components below through the telescopic pump 20.

[0033] Further, please refer to Figure 1 , two groups of second driving motors 22 are arranged at the bottom of the connecting plate 21. The output end of one group of second driving motors 22 is provided with an inner precision grinder 23, and the output end of the other group of second driving motors 22 is provided with an outer precision grinder 24. Among them, the second driving motors 22 are existing driving motors, which are electrically connected to the external control center and are used to drive the lower inner precision grinder 23 and outer precision grinder 24 to rotate respectively, so as to perform precision grinding operations on the inner and outer rings of the two groups of bearing rings 4 directly below.

[0034] The implementation principle of this embodiment is as follows: First, place the base table 1 at a designated position, such as a fixed end face of an external support frame or mounting plate. Start the stepper motor 15 through an external control center, and let it drive the turntable 2 to rotate through the connecting shaft 14, so that the outer fixed ring 3 rotates clockwise by 45 degrees. At this time, both the outer fixed ring 3 and the inner fixed ring 5 on the surface of the turntable 2 have rotated to positions corresponding to the two support columns 18. Place the two bearing rings 4 to be precision ground at the designated positions as shown in the figure. One group is attached to the inner side of the outer fixed ring 3, and the other group is attached to the outer side of the inner fixed ring 5. Then, turn on the first driving motor 10 through the external control center, so that it drives the adjusting rod 6 to rotate. As a result, the first adjusting block 7 and the second adjusting block 11 on the outer sides of both ends of the adjusting rod 6 only move in the same direction. The first adjusting block 7 and the second adjusting block 11 respectively drive the outer moving ring 9 and the inner moving ring 13 to move through the first connecting block 8 and the second connecting block 12, so that the outer moving ring 9 and the outer fixed ring 3 fix the bearing ring 4 for inner ring precision grinding, and the inner moving ring 13 and the inner fixed ring 5 fix the bearing ring 4 for outer ring precision grinding. After the fixing is completed, use the stepper motor 15 to reset the turntable 2. Then, turn on the two second driving motors 22 through the external control center, drive the inner precision grinder 23 and the outer precision grinder 24 to rotate respectively, and drive the inner moving ring 13 and the outer precision grinder 24 at the lower ends of the two second driving motors 22 to descend through the connecting plate 21 under the telescopic pump 20 to perform precision grinding on the bearing ring 4 directly below. Finally, after the precision grinding is completed, raise the connecting plate 21 driven by the telescopic pump 20, then control the stepper motor 15 to make the turntable 2 rotate clockwise, and through the above operations vice versa, take out the two bearing rings 4, change their positions, and then fasten them to perform inner and outer ring replacement precision grinding.

[0035] Although the embodiments of the present invention have been shown and described, this specific embodiment is only an interpretation of the present invention and is not a limitation of the present invention. The specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art can make modifications, substitutions, and variations without creative contributions to the embodiments according to needs, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A bearing lapping device, characterized in that: It comprises a base table (1) and a turntable (2); A stepper motor (15) is arranged inside the base platform (1), and a connecting shaft (14) is installed at the output end of the stepper motor (15), and a turntable (2) is fixed on the top of the connecting shaft (14), and two sets of pulleys (16) are arranged at the bottom of the turntable (2), and an adjustment rod (6) is arranged inside the turntable (2), and a first adjustment block (7) is connected to the outer side of one end of the adjustment rod (6) by a thread, and a second adjustment block (11) is connected to the outer side of the other end of the adjustment rod (6) by a thread, a first connection block (8) is fixed on the top of the first adjustment block (7), and an outer moving ring (9) is arranged on the top of the first connection block (8), and a second connection block (12) is fixed on the top of the second adjustment block (11), and an inner moving ring (13) is arranged on the top of the second connection block (12).

2. The bearing lapping device according to claim 1, characterized in that: A groove-shaped slide groove (17) for the pulley (16) to slide is provided on the inner side of the base platform (1), and the surface of the slide groove (17) is polished to reduce friction loss to the pulley (16).

3. The bearing lapping device according to claim 1, characterized in that: The vertical interface of the connecting shaft (14) is in the shape of an I, and is used to improve the support stability between the stepping motor (15) and the turntable (2).

4. The bearing lapping device according to claim 1, characterized in that: An outer fixing ring (3) is fixed to one side of the top of the turntable (2), and a group of bearing rings (4) are attached to the inner side of the outer fixing ring (3); an inner fixing ring (5) is fixed to the top of the turntable (2) at a diagonal position to the outer fixing ring (3), and another group of bearing rings (4) are attached to the outer side of the inner fixing ring (5).

5. The bearing lapping device according to claim 1, characterized in that: A first drive motor (10) is arranged inside the turntable (2), and the output end of the first drive motor (10) is fixedly connected to an end of the adjustment rod (6) close to the inner fixing ring (5), and the adjustment rod (6) is arranged inside the turntable (2) at an angle of 45 degrees.

6. The bearing lapping device according to claim 1, characterized in that: Two groups of support columns (18) are arranged at both ends of the top of the base platform (1), and support plates (19) are fixed on the tops of the two groups of support columns (18). A telescopic pump (20) is arranged on the top of the support plate (19), and the output end of the telescopic pump (20) passes through the support plate (19) and is connected to a connecting plate (21).

7. The bearing lapping device according to claim 6, characterized in that: Two groups of second drive motors (22) are arranged at the bottom of the connecting plate (21), and an inner fine grinder (23) is arranged at the output end of one group of second drive motors (22), and an outer fine grinder (24) is arranged at the output end of the other group of second drive motors (22).

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