Outer ring grinding machine for bearing

Abstract

The utility model relates to the technical field of bearing polishing, in particular to an outer ring polishing machine for a bearing, which comprises a machine body, a fixing device and a polishing device, the fixing device and the polishing device are arranged on the machine body, the fixing device is provided with a fixing end for fixing the bearing, and the polishing device is provided with a polishing end for polishing the bearing. The machine body is further provided with an adjusting device used for adjusting the distance between the fixing end and the polishing end. The adjusting device is composed of a first sliding plate slidably connected to the machine body and used for installing the fixing device, a second sliding plate slidably connected to the machine body and used for installing the grinding device, and a driving structure used for controlling the first sliding plate and the second sliding plate to slide relatively. The distance between the grinding device and the fixing device can be controlled through the adjusting device, and therefore the purpose of grinding bearings with different diameters is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing grinding, in particular to a bearing outer ring grinding machine. Background Art

[0002] Bearings are one of the most common and important components in modern mechanical equipment. They mainly support mechanical rotating bodies and reduce the friction coefficient during their movement.

[0003] Nowadays, after bearings are produced, their surfaces need to be polished to improve their accuracy. Bearing polishing is divided into bearing inner ring polishing and bearing outer ring polishing. As for bearing outer rings, most grinding machines today can only polish bearings of one size. Therefore, enterprise workshops are often equipped with multiple polishing production lines suitable for different bearings. Therefore, in terms of production costs, the equipment costs of bearing manufacturers often account for a higher proportion, thereby increasing the burden on enterprises.

[0004] In summary, it is necessary to improve the existing grinding machine so as to be able to grind bearings of different specifications. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a bearing outer ring grinder, aiming to solve the problems arising from the above-mentioned background technology.

[0006] The technical solution of the utility model is achieved as follows: A bearing outer ring grinding machine includes a machine body, a fixing device provided on the machine body, and a grinding device, wherein the fixing device has a fixing end for fixing the bearing, and the grinding device has a grinding end for grinding the bearing;

[0007] In which, the machine body is also provided with an adjusting device for adjusting the distance between the fixed end and the grinding end. The adjusting device consists of a first sliding plate slidably connected to the machine body and for installing the fixing device, a second sliding plate slidably connected to the machine body and for installing the grinding device, and a driving structure for controlling the relative sliding of the first sliding plate and the second sliding plate.

[0008] Preferably, the driving structure includes:

[0009] a first rack mounted on the first sliding plate;

[0010] a second rack mounted on the second sliding plate;

[0011] a driving gear rotatably mounted on the machine body and meshing with the first rack and the second rack respectively;

[0012] The first sliding plate or the second sliding plate can be controlled to move by a hydraulic cylinder.

[0013] Preferably, the fixing device includes:

[0014] a fixed shaft, rotatably connected to the first sliding plate and capable of being controlled to rotate by the first motor;

[0015] A central cavity is coaxially disposed within the fixed shaft;

[0016] A rotating shaft is rotatably connected to the central cavity, and one end of the rotating shaft passes through the fixed shaft and is provided with a rotating torsion disc;

[0017] an opening formed on an outer wall of the fixed shaft and communicating with the central cavity;

[0018] The clamping block is rotatably connected to the inner wall of the opening via a rotating pin;

[0019] Among them, several support blocks that can contact the clamping block are fixedly connected to the rotating shaft, and a limit block is provided on the rotating shaft. One end of the limit block is telescopically movable on the outer wall of the rotating shaft, and a limit groove is provided on the inner wall of the central cavity for the end of the limit block to be clamped into.

[0020] Preferably, the central cavity is composed of a plurality of movable cavities communicated with the opening and a limiting cavity provided between adjacent movable cavities and for the limiting block to move;

[0021] Wherein, the limiting groove is formed on the cavity wall of the limiting cavity.

[0022] Preferably, the grinding device comprises:

[0023] A grinding shaft is rotatably connected to the second sliding plate and can be controlled to rotate by the second motor;

[0024] The grinding wheel is mounted on the grinding shaft.

[0025] The utility model has at least the following beneficial effects:

[0026] 1. The present invention provides an adjustment device on the grinding machine, which can be used to adjust the distance between the fixing device and the grinding device, thereby expanding or reducing the grinding range between the two, thereby adapting to different bearing grinding.

[0027] 2. The fixing device of the present invention can be adapted to be installed on bearings of different sizes, so as to improve the fixing "carrier" for grinding bearings of different sizes and ensure the stability of grinding.

[0028] In addition, other advantages of the present invention will be demonstrated in the embodiment section of the present invention, thereby making the beneficial effects of the present invention more significant. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0030] Figure 1 This is a schematic structural diagram of a specific embodiment 1 of the present utility model;

[0031] Figure 2 for Figure 1 AA section view in;

[0032] Figure 3 This is a schematic structural diagram of a specific embodiment 2 of the present utility model;

[0033] Figure 4 for Figure 3 BB cross-sectional view in;

[0034] Figure 5 for Figure 3 CC section view in. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] like Figure 1-Figure 2 As shown, the utility model discloses a bearing outer ring grinding machine, comprising a machine body 10, a fixing device provided on the machine body 10, and a grinding device. In this embodiment: the fixing device has a fixing end for fixing the bearing, and the grinding device has a grinding end for grinding the bearing;

[0037] In which, the body 10 is also provided with an adjusting device for adjusting the distance between the fixed end and the grinding end, and the adjusting device consists of a first sliding plate 21 slidably connected to the body and for installing the fixing device, a second sliding plate 22 slidably connected to the body 10 and for installing the grinding device, and a driving structure for controlling the relative sliding of the first sliding plate 21 and the second sliding plate 22.

[0038] In this embodiment: the driving structure includes:

[0039] A first rack 31 is mounted on the first sliding plate 21;

[0040] A second rack 32 is mounted on the second sliding plate 22;

[0041] The driving gear 33 is rotatably mounted on the body 10 and meshes with the first rack 31 and the second rack 32 respectively;

[0042] The first sliding plate 21 or the second sliding plate 22 can be controlled to move by the hydraulic cylinder 34 .

[0043] In this embodiment, the grinding device includes:

[0044] The grinding shaft 40 is rotatably connected to the second sliding plate 22 and can be controlled to rotate by a second motor (not shown, provided in the machine body 10, and installed to ensure that the grinding shaft can be controlled to rotate);

[0045] The grinding wheel 41 is mounted on the grinding shaft 40 .

[0046] In this embodiment, the fixing device is a fixed shaft provided on the first sliding plate 21 , and the bearing can be fixed by interference fit with the fixed shaft.

[0047] refer to Figure 1-2 , the principle of this embodiment is:

[0048] The bearing accessory to be polished (such as the outer ring of the bearing) is installed on the fixed shaft and fixed. Then, according to the size of the bearing accessory, the first sliding plate and the second sliding plate are controlled by the hydraulic cylinder to approach each other, and the grinding wheel is brought into contact with the bearing on the fixed shaft. When the second motor drives the grinding shaft to rotate and controls the rotation of the grinding wheel, the grinding wheel is used to polish the bearing accessory on the fixed shaft.

[0049] In this embodiment, the distance between the grinding wheel and the fixed shaft can be controlled by the adjustment device, thereby adapting to the grinding work of different bearing accessories.

[0050] In summary, the grinding machine of this embodiment can be adjusted according to the specifications of the bearings to be produced by the enterprise. Therefore, the enterprise does not need to arrange multiple grinding production lines, thereby achieving the purpose of cost saving.

[0051] Example 2 is different from Example 1 in that:

[0052] like Figure 3-Figure 5 As shown, in this embodiment, the fixing device includes:

[0053] A fixed shaft 50 is rotatably connected to the first sliding plate 21 and can be controlled to rotate by a first motor (not shown, provided together with a second motor in the body, and when installed, can drive the fixed shaft to rotate);

[0054] The central cavity 51 is coaxially disposed within the fixed shaft 50;

[0055] The rotating shaft 52 is rotatably connected to the central cavity 51, and one end of the rotating shaft 52 passes through the fixed shaft 50 and is provided with a rotating torsion disc 53;

[0056] An opening 54 is formed on the outer wall of the fixed shaft 50 and communicates with the central cavity 51;

[0057] The clamping block 55 is rotatably connected to the inner wall of the opening 54 via a rotating pin 56;

[0058] Among them, several support blocks 57 that can contact the clamping block 55 are fixedly connected to the rotating shaft 52, and a limit block 58 is provided on the rotating shaft 52. One end of the limit block 58 is telescopically movable on the outer wall of the rotating shaft 52, and a limit groove 59 is provided on the inner wall of the central cavity 51 for the end of the limit block 58 to be clamped.

[0059] In this embodiment, the central cavity 51 is composed of a plurality of movable cavities 51a communicating with the opening 54 and a limiting cavity 51b provided between adjacent movable cavities 51a and for the limiting block 58 to move.

[0060] The limiting groove 59 is formed on the cavity wall of the limiting cavity 51b.

[0061] In this embodiment, a telescopic slot 60 is formed on the outer wall of the rotating shaft 52 , the limiting block 58 is slidably connected in the telescopic slot 60 , and a limiting spring 62 connected to the limiting block 58 is installed in the telescopic slot 60 .

[0062] refer to Figure 3-Figure 5 In order to fix bearing accessories of different diameters, a clamping block is hingedly provided on the fixed shaft in this embodiment. When fixing:

[0063] Put several bearing accessories (such as bearing outer ring) on ​​the fixed shaft, then control the rotation of the shaft by rotating the torsion plate, and use the rotation to drive the support block on the shaft (refer to Figure 4 ) rotates and gradually contacts the clamping block, driving the clamping block to move outward from the center of the rotating shaft and abut against the inner ring of the bearing accessory to complete the clamping of the bearing accessory.

[0064] According to the different diameters of bearing accessories, the support block can be driven to control the outward expansion angle of the clamping block, so that the fixing range of the clamping block can be adjusted, so that bearing accessories with different diameters can be fixed. In more detail:

[0065] The fixing device of this embodiment can clamp the limit blocks on the rotating shaft into different limit grooves according to the different diameters of the fixed bearing accessories when the rotating shaft is rotated, thereby limiting the support block to a corresponding position, thereby determining the expansion range of the clamping block.

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A bearing outer ring grinding machine, comprising a machine body (10), a fixing device provided on the machine body (10), and a grinding device, characterized in that: The fixing device has a fixing end for fixing the bearing, and the grinding device has a grinding end for grinding the bearing; The machine body (10) is further provided with an adjusting device for adjusting the distance between the fixed end and the grinding end, the adjusting device comprising a first sliding plate (21) slidably connected to the machine body (10) and for mounting the fixing device, a second sliding plate (22) slidably connected to the machine body (10) and for mounting the grinding device, and a driving structure for controlling the relative sliding of the first sliding plate (21) and the second sliding plate (22).

2. A bearing outer ring grinding machine according to claim 1, characterized in that: The driving structure includes: A first rack (31) is mounted on the first sliding plate (21); A second rack (32) is mounted on the second sliding plate (22); A driving gear (33) is rotatably mounted on the machine body (10) and is respectively engaged with the first rack (31) and the second rack (32); The first sliding plate (21) or the second sliding plate (22) can be controlled to move by a hydraulic cylinder (34).

3. A bearing outer ring grinding machine according to claim 1 or 2, characterized in that: The fixing device comprises: A fixed shaft (50) is rotatably connected to the first sliding plate (21) and can be controlled to rotate by a first motor; A central cavity (51) is coaxially disposed within the fixed shaft (50); A rotating shaft (52) is rotatably connected to the central cavity (51), and one end of the rotating shaft passes through the fixed shaft (50) and is provided with a rotating torsion disc (53); an opening (54) formed on the outer wall of the fixed shaft (50) and communicating with the central cavity (51); The clamping block (55) is rotatably connected to the inner wall of the opening (54) via a rotating pin (56); A plurality of support blocks (57) capable of contacting the clamping block (55) are fixedly connected to the rotating shaft (52), and a limit block (58) is provided on the rotating shaft (52), one end of the limit block (58) is telescopically movable on the outer wall of the rotating shaft (52), and a limit groove (59) for the end of the limit block (58) to be clamped is provided on the inner wall of the central cavity (51).

4. A bearing outer ring grinding machine according to claim 3, characterized in that: The central cavity (51) is composed of a plurality of movable cavities (51a) communicating with the opening (54) and a limiting cavity (51b) provided between adjacent movable cavities (51a) and for the limiting block (58) to move. Wherein, the limiting groove (59) is formed on the cavity wall of the limiting cavity (51b).

5. A bearing outer ring grinding machine according to claim 1 or 2, characterized in that: The grinding device comprises: A grinding shaft (40) is rotatably connected to the second sliding plate (22) and can be controlled to rotate by a second motor; A grinding wheel (41) is mounted on the grinding shaft (40).

Images