CN211277765U - Bearing bush outer spherical surface grinding device - Google Patents

Abstract

The utility model discloses a bearing bush insert grinding device relates to bearing bush insert grinding field, and is higher to current bearing bush insert lathe work roughness, influences the problem of use, now proposes following scheme, and it includes vertical lathe, the last grinding device that is provided with of vertical lathe, grinding device includes shaping emery wheel, pivot, long axle sleeve, support, end cover, short axle sleeve and V band pulley, one side and the major axis cover of support are connected, be provided with the pivot in the major axis cover, be fixed with shaping emery wheel and V band pulley in the pivot, be provided with the spring between shaping emery wheel and the major axis cover, the opposite side that long axle sleeve was kept away from to the support is provided with the spring, the one end that long axle sleeve was kept away from to the spring is fixed with antifriction bearing, one side that antifriction bearing kept away from the spring is fixed with the end cover. The utility model discloses novel structure, and applicable in not unidimensional axle bush abrasive machining, and effectively improve the precision of axle bush sphere processing grinding.

Description

Bearing bush outer spherical surface grinding device

Technical Field

The utility model relates to a bearing bush insert grinding field especially relates to a bearing bush insert grinding device.

Background

On the great optional equipment of installing of the great, bearing installation span of shaft diameter, because of the rotor dead weight is great or the external load who bears is great, the rotor easily takes place to warp, the existence of installation error in addition causes bearing hole and rotor can not be concentric when the operation, and this will influence the operation of these equipment, still can damage the bearing when serious, for guaranteeing equipment safe operation under these operating modes, the slide bearing axle bush that these equipment used generally adopts sphere aligning structure: the matching connection between the bearing bush and the bearing block is a spherical surface, and the bearing bush can rotate adaptively when the rotor and the inner hole of the bearing bush are not concentric, so that the concentricity of the bearing bush and the rotor is ensured.

However, the machining of the large spherical bearing can only be carried out on a vertical lathe, the roughness of the spherical surface of the bearing bush machined on the vertical lathe is generally larger than Ra3.2 due to the limitation of vertical lathe equipment, the rotation of the bearing bush is seriously influenced by overhigh roughness, the contact area ratio between the bearing bush and a bearing seat cannot meet the design requirement, and the service performance of the bearing is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of bearing bush ectosphere grinding device has solved bearing bush ectosphere and has adopted the lathe work rear surface roughness higher, influences the problem of using.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a grinding device for an outer spherical surface of a bearing bush comprises a vertical lathe, wherein the vertical lathe is provided with the grinding device, the grinding device comprises a forming grinding wheel, a rotating shaft, a long shaft sleeve, a support, an end cover, a short shaft sleeve and a V belt wheel, one side of the support is connected with the long shaft sleeve, the rotating shaft is arranged in the long shaft sleeve, the forming grinding wheel is fixed on the rotating shaft, the grinding surface of the forming grinding wheel is spherical, a first spring is arranged between the forming grinding wheel and the long shaft sleeve, the other side of the support, far away from the long shaft sleeve, is provided with a second spring, one end, far away from the long shaft sleeve, of the second spring is fixedly provided with a rolling bearing, one side, far away from the second spring, of the rolling bearing is fixedly provided with the end cover, the short shaft sleeve is connected with the end cover through a screw, the short shaft sleeve, one side of the motor support, which is far away from the motor, is provided with a pressing block, and a bolt is connected between the pressing block and the motor support.

Preferably, a first gasket and a second gasket are respectively arranged on two sides of the forming grinding wheel, and the second gasket is arranged on one side of the forming grinding wheel facing the support.

Preferably, an output shaft of the motor is connected with a rotating wheel, the rotating wheel and the V belt wheel have the same structure, and a V belt is connected between the rotating wheel and the V belt wheel.

Preferably, the first gasket and the second gasket are both in an annular structure.

Preferably, a vertical plate is fixed above the support and arranged between the pressing block and the motor support.

Preferably, a chute is formed in the vertical direction of the vertical plate on the support, and the bolt is arranged in the chute.

The utility model has the advantages that:

1. the distance between the grinding wheel and the motor can be adjusted through the pressing block and the bolt, and bearing bushes with different heights can be ground after V belts with different lengths are replaced;

2. the grinding surface of the formed grinding wheel is a spherical surface, so that the contact between the grinding wheel and the bearing bush can be ensured to be point contact during processing, and the grinding precision can be further improved;

3. the bearings for mounting the grinding wheel are positioned through the springs, axial gaps are eliminated, vibration in the machining process can be absorbed, and grinding precision is further improved.

The utility model discloses, it is applicable in not unidimensional axle bush processing grinding, and effectively improve the precision of axle bush sphere processing grinding.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the grinding apparatus of fig. 1.

Fig. 3 is an exploded view of the structure of the grinding apparatus of fig. 2.

Fig. 4 is an enlarged view of a portion of the structure at the position a in fig. 1.

Reference numbers in the figures: 101 vertical lathe, 102 grinding device, 1 first washer, 2 shaping emery wheel, 3 pivot, 4 second washers, 5 first springs, 6 long axle sleeves, 7 supports, 8 second springs, 9 antifriction bearing, 10 end covers, 11 short axle sleeves, 12V band pulley, 13V area, 14 bolts, 15 briquetting, 16 motor support, 17 motors.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a grinding device for an outer spherical surface of a bearing bush comprises a vertical lathe 101, wherein the vertical lathe 101 is provided with the grinding device 102, the grinding device 102 comprises a formed grinding wheel 2, a rotating shaft 3, a long shaft sleeve 6, a support 7, an end cover 10, a short shaft sleeve 11 and a V-shaped belt wheel 12, one side of the support 7 is connected with the long shaft sleeve 6, the rotating shaft 3 is arranged in the long shaft sleeve 6, the formed grinding wheel 2 is fixed on the rotating shaft 3, the grinding surface of the formed grinding wheel 2 is spherical, a first spring 5 is arranged between the formed grinding wheel 2 and the long shaft sleeve 6, the other side of the support 7, which is far away from the long shaft sleeve 6, is provided with a second spring 8, one end of the second spring 8, which is far away from the long shaft sleeve 6, is fixed with a rolling bearing 9, one side of the rolling bearing 9, which is far away from the second spring 8, a motor 17 is fixed on the motor support 16, a pressing block 15 is arranged on one side of the motor support 16 far away from the motor 17, and a bolt 14 is connected between the pressing block 15 and the motor support 16.

Referring to fig. 3, a first gasket 1 and a second gasket 4 are respectively disposed on two sides of the forming grinding wheel 2, the second gasket 4 is disposed on one side of the forming grinding wheel 2 facing the support 7, the first gasket 1 and the second gasket 4 are both in an O-ring structure, and the first gasket 1 and the second gasket 4 are both made of rubber materials.

Referring to fig. 2 and 3, a rotating wheel is connected to an output shaft of the motor 17, the rotating wheel and the V-belt wheel 12 have the same structure, and a V-belt 13 is connected between the rotating wheel and the V-belt wheel 12.

Referring to fig. 2, 3 and 4, a vertical plate is fixed above the support 7, the vertical plate is arranged between the pressing block 15 and the motor support 16, a sliding groove is formed in the vertical direction on the vertical plate on the support 7, and the bolt 14 is arranged in the sliding groove.

The working principle is as follows: the utility model discloses when using, the axle bush is fixed on vertical lathe 101's swivel work head, finish turning the back at the sphere of axle bush, the lathe tool is lifted down in the dismantlement, it installs to vertical lathe's knife rest with bolt 15 to pass through motor support 16 with the grinding device who assembles, motor 17 installs on motor support 16, starter motor 17, it drives V through V area 13 and drives 12 rotations, and through stub axle sleeve 11, support 7, major axis cover 6 and pivot 3 drive shaping emery wheel 2 rotatory, can grind the sphere of axle bush, carry out the sphere grinding to the bearing through shaping emery wheel 2 that the grinding face is the sphere, the machining precision of effectual increase axle bush sphere, and the first spring 5 of bearing of shaping emery wheel 3 is installed the location with second spring 8, the axial clearance has been eliminated, can absorb the vibration in the course of working simultaneously, the grinding precision has further been improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A grinding device for an outer spherical surface of a bearing bush comprises a vertical lathe (101), wherein the vertical lathe (101) is provided with the grinding device (102), and is characterized in that the grinding device (102) comprises a forming grinding wheel (2), a rotating shaft (3), a long shaft sleeve (6), a support (7), an end cover (10), a short shaft sleeve (11) and a V belt wheel (12), one side of the support (7) is connected with the long shaft sleeve (6), the rotating shaft (3) is arranged in the long shaft sleeve (6), the forming grinding wheel (2) is fixed on the rotating shaft (3), a grinding surface of the forming grinding wheel (2) is a spherical surface, a first spring (5) is arranged between the forming grinding wheel (2) and the long shaft sleeve (6), a second spring (8) is arranged on the other side, far away from the long shaft sleeve (6), of the support (7), and a rolling bearing (9) is fixed at one end, far away from the long shaft sleeve (6), one side of keeping away from second spring (8) in antifriction bearing (9) is fixed with end cover (10), there is short axle sleeve (11) through the screw connection on end cover (10), short axle sleeve (11) and V band pulley (12) fixed connection, be connected with motor support (16) on support (7), be fixed with motor (17) on motor support (16), one side that motor (17) were kept away from in motor support (16) is provided with briquetting (15), be connected with bolt (14) between briquetting (15) and motor support (16).

2. A grinding device for bearing insert spherical surfaces according to claim 1, characterized in that the profiled grinding wheel (2) is provided on both sides with a first washer (1) and a second washer (4), respectively, the second washer (4) being provided on the side of the profiled grinding wheel (2) facing the support (7).

3. The grinding device for the spherical outside surface of a bearing bush as recited in claim 1, wherein a rotating wheel is connected to the output shaft of the motor (17), the rotating wheel and the V-shaped belt wheel (12) have the same structure, and a V-shaped belt (13) is connected between the rotating wheel and the V-shaped belt wheel (12).

4. A grinding device for bearing insert spherical surfaces according to claim 2, characterized in that the first washer (1) and the second washer (4) are both of annular configuration.

5. The grinding device for the spherical outside surface of the bearing bush according to claim 1, wherein a vertical plate is fixed above the support (7), and the vertical plate is arranged between the pressing block (15) and the motor bracket (16).

6. A grinding device for an outer spherical surface of a bearing bush according to claim 5, characterized in that a vertical plate on the support (7) is provided with a sliding groove along the vertical direction, and the bolt (14) is arranged in the sliding groove.

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