CN210524719U - Floating support for deep groove ball bearing - Google Patents
Floating support for deep groove ball bearing Download PDFInfo
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- CN210524719U CN210524719U CN201921510079.7U CN201921510079U CN210524719U CN 210524719 U CN210524719 U CN 210524719U CN 201921510079 U CN201921510079 U CN 201921510079U CN 210524719 U CN210524719 U CN 210524719U
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Abstract
The utility model provides a floating support for deep groove ball bearing, including the supporting seat body, set up on the supporting seat body and the supporting seat of angularly adjustable between the supporting seat body, supporting seat end is the V-arrangement and sets up two and supports the groove, supports the inslot and sets up the supporting shoe, thereby supports the groove and divide into two half grooves that can open and shut and loosen or block the supporting shoe, the supporting shoe is the diameter and the spherical supporting shoe that the groove diameter of the bearing that supports corresponds, every supports the groove and includes two at least settings on supporting seat top and the hemisphere groove that the spherical supporting shoe shape corresponds. The utility model discloses a floating support adopts and to support deep groove ball bearing at rolling spherical supporting shoe in supporting groove. The friction between the spherical supporting block and the bearing is small, the stressed area is uniform, the spherical supporting block is not easy to damage, and the service life is longer.
Description
Technical Field
The utility model belongs to bearing processing field, concretely relates to a floating support for deep groove ball bearing.
Background
A grinding machine is needed to be used for processing the bearing inner ring or the bearing outer ring, and a grinding wheel is adopted to grind the bearing inner ring or the bearing outer ring. An electromagnetic centerless jig is a machining technique widely used in bearing grinding, in which the end face of a workpiece to be machined is attracted to the driving end face of a jig on a groove grinding machine by electromagnetic force. In addition, in order to improve the clamping precision, a supporting mechanism with a hard alloy material arranged at the end head is also needed to position and support the outer circumference of the bearing inner ring or the outer ring in the machining process. The existing support mechanism includes a fixed support and a floating support. The floating support is shown in patent CN203185081U, a floating support of a bearing grinder or CN204366722U, a floating support frame. Both are shown in combination with an adjustable floating support device and an adjustment method as disclosed in patent CN 107243788A.
The deep groove ball bearing is the most common bearing, when grinding the groove on the outer surface of the bearing inner ring, the hard alloy supporting blocks of fixed support or floating support are arranged in the groove to support the bearing, but the supporting blocks of the existing supporting mechanism for the ball bearing are all arranged in a cylindrical shape with the diameter corresponding to the hemispherical groove and are arranged on the supporting bracket in a welding or detachable connection mode. When the grinding wheel grinds the bearing, the bearing rotates, sliding friction exists between the supporting mechanism and the bearing, and certain influence is caused on the machining precision of the bearing. There is a need for a support mechanism that is adaptable to deep groove ball bearings.
SUMMERY OF THE UTILITY MODEL
The utility model provides a floating support for deep groove ball bearing.
The purpose of the utility model is realized with the following mode: the utility model provides a floating support for deep groove ball bearing, including the supporting seat body, set up on the supporting seat body and the supporting seat body between the support block seat of angularly adjustable, supporting block seat end is the V-arrangement and sets up two support grooves, set up the supporting shoe in the support groove, thereby the support groove divide into can open and shut and loosen or block two half grooves of supporting shoe, the supporting shoe is the diameter and the spherical supporting shoe that the slot diameter of the bearing that supports corresponds, every support groove includes that at least two settings are on supporting block seat top and the hemisphere groove that the spherical supporting shoe shape corresponds.
The support block seats are U-shaped, two ends of each of the two U-shaped support block seats are respectively provided with a support groove, and the two support grooves are arranged in a V shape; each end of the supporting block seat is downwards provided with a vertical groove which divides the supporting groove of the supporting block seat into two symmetrical halves, and the vertical groove passes through all the hemispherical grooves of the supporting groove at the end; the vertical groove extends downwards to the lower part of the support groove to divide the end of the support block seat into two parts; the supporting block seat is provided with a threaded hole at a position below the supporting groove and penetrating through the vertical groove, and the supporting groove is tightly closed in a bolt connection mode.
The utility model has the advantages that: the floating support of the deep groove ball bearing adopts a spherical support block which can roll in the support groove to support the deep groove ball bearing. The friction between the spherical supporting block and the bearing is small, the stressed area is uniform, the spherical supporting block is not easy to damage, and the service life is longer.
Drawings
Fig. 1 is a schematic view of embodiment 1 of the fixed support.
Fig. 2 is a partial cross-sectional view of the left side view of fig. 1.
Fig. 3 is an exploded view of fig. 1.
Fig. 4 is a schematic view of a floating support.
Fig. 5 is a partial cross-sectional view of the right side view of fig. 4.
Fig. 6 is a top view of one end portion a of the support block housing of fig. 4.
Fig. 7 is a sectional view taken along line B-B of fig. 4.
Fig. 8 is a support diagram in a state of machining a bearing groove.
Fig. 9 is a schematic view of embodiment 2 of the fixed support.
Fig. 10 is a side view of fig. 9.
FIG. 11 is a top view of the end portion of the support base body of FIG. 10 taken in the direction C.
Wherein, 1 is the emery wheel, 2 is deep groove ball bearing, 3 is fixed support, 4 is floating support, 5 is the supporting seat body, 6 is spherical supporting shoe, 7 is the semi-cylindrical groove, 8 is the baffle, 9 is vertical slot, 10 is the screw hole, 11 is the bolt, 12 is the supporting shoe seat, 13 is the semi-spherical groove.
Detailed Description
As shown in fig. 1-3, a fixed support 3 for a deep groove ball bearing 2 comprises a support base body 5, wherein a support groove is arranged at the end of the support base body 5, a support block is arranged in the support groove, and the support groove is composed of two half grooves which can be opened and closed so as to loosen or clamp the support block. The supporting block is a spherical supporting block 6 with the diameter corresponding to the diameter of the groove of the supported bearing, the supporting groove comprises a semi-cylindrical groove 7 with the diameter corresponding to the spherical supporting block 6, and the front end and the rear end of the supporting groove are provided with baffles 8 for blocking the supporting block from moving out of the two ends. The baffle 8 and the support end body 5 may be integral or may be separate and assembled together. The upper end of the supporting groove is opened, and the upper part of the spherical supporting block 6 exceeds the supporting groove. The spherical supporting block 6 is supported in a groove of the deep groove ball bearing 2 and is in rolling friction with the deep groove ball bearing 2, so that the bearing and the self-bearing are slightly damaged, and the processing precision is improved; the service life of the device is prolonged. Wherein the spherical supporting block 6 is made of hard alloy or ceramic or diamond particles. Since the spherical support block 6 is rolling, there is no need to wait until one side is worn, as in the previous cylindrical support block, to remove and rotate the other unworn side as the working surface.
The support groove, i.e., the semi-cylindrical groove 7, is a cylindrical surface having an angle of not more than 180 degrees. Wherein the diameter of the cylinder corresponds to the diameter of the spherical support block 6 or is slightly larger than the diameter of the spherical support block 6. Or the supporting groove is a cylindrical surface with an angle larger than 180 degrees and smaller than 210 degrees. In this case, the baffle plates 8 may be assembled to both ends of the support groove after the support groove is formed.
The end of the supporting seat body 5 is provided with a downward vertical groove 9, the front end and the rear end of the vertical groove 9 extend to the front end and the rear end of the supporting seat body 5, and the vertical groove 9 extends downwards to the lower part of the supporting groove and divides the supporting groove into two symmetrical half grooves. A threaded hole 10 is formed in the position, located below the supporting groove, of the supporting seat body 5, of the vertical groove 9, and the supporting groove is tightly closed in a bolt connection mode. The vertical slots 9 also divide the end of the baffle and the support body in half. The supporting seat body and the supporting groove can be parallel or have a certain angle.
During specific implementation, the spherical supporting block 6 is placed in the supporting groove, and then a bolt is placed in the threaded hole 10 at the end part of the supporting seat body 5, so that the supporting groove is tightly clamped on the spherical supporting block 6.
As shown in fig. 4-7, a floating support 4 for a deep groove ball bearing 2 comprises a support base body 5, a support block seat 12 with an adjustable angle with the support base body 5 is arranged on the support base body 5, two support grooves are arranged at the ends of the support block seat 12 in a V shape, support blocks are arranged in the support grooves, and the support grooves are divided into two half grooves which can be opened and closed to loosen or clamp the support blocks. The supporting block is a spherical supporting block 6 with the diameter corresponding to the diameter of the groove of the supported bearing, and each supporting groove comprises at least two hemispherical grooves 13 which are arranged at the top end of a supporting block seat 12 and correspond to the shape of the spherical supporting block 6. The supporting groove is composed of a plurality of semi-spherical grooves 13, and the spherical supporting block 6 is arranged in the semi-spherical grooves 13 and can roll. The position where the hemispherical groove 13 is flush with the end of the support block seat 12 is a surface with the maximum diameter of a sphere, and the surface is also an opening surface of the hemispherical groove 13. This facilitates the processing. The supporting block seat 12 is arranged on the supporting seat body 5 through a pin shaft or a screw. The spherical supporting block 6 is supported in a groove of the deep groove ball bearing 2 and is in rolling friction with the deep groove ball bearing 2, so that the bearing and the self-bearing are slightly damaged, and the processing precision is improved; the service life of the device is prolonged. Wherein the supporting block is composed of hard alloy or ceramic or diamond particles. Since the spherical support block 6 is rolling, there is no need to wait until one side is worn, as in the previous circumferential support block, to remove and rotate the other unworn side as a working surface.
The support block seats 12 are U-shaped, two ends of each of the two U-shaped support block seats 12 are respectively provided with a support groove, and the two support grooves are arranged in a V shape; each end of the supporting block seat 12 is provided with a vertical groove 9 which divides the supporting groove of the supporting block seat 12 into two symmetrical halves, and the vertical groove 9 passes through all the hemispherical grooves 13 of the end supporting groove. The vertical groove 9 extends downwards to the lower part of the supporting groove to divide the end of the supporting block seat 12 into two parts; the support block seat 12 is provided with a threaded hole 10 at a position below the support groove and penetrating through the vertical groove 9, and the support groove is tightly closed in a bolt connection mode. The front end and the rear end of the vertical groove 9 extend to the front end and the rear end of each end head of the U-shaped supporting block seat 12, and the vertical groove 9 is a rectangular groove.
In specific implementation, the spherical supporting block 6 is placed in the hemispherical groove 13 of the supporting groove, and then the bolt 11 is placed in the threaded hole 10, so that the supporting groove is tightly clamped on the spherical supporting block 6.
As shown in fig. 8-11, a supporting mechanism for processing a groove on the outer circle of the inner ring of a deep groove ball bearing 2 comprises a grinding wheel 1 which is arranged on one side of the deep groove ball bearing 2, is matched with the groove, rotates and grinds the groove. A floating support 4 and a fixed support 3 are arranged on the same rotating plane of the grinding wheel 1; the floating support 4 and the fixed support 3 comprise support blocks in contact with the grooves. The grinding wheel 1, the floating support 4 and the fixed support 3 support the deep groove ball bearing 2 together. The floating support 4 and the fixed support 3 are both provided with support grooves, and spherical support blocks 6 with the diameter corresponding to the diameter of the groove of the supported bearing are rotatably arranged in the support grooves. The friction between the spherical supporting block 6 and the bearing is small, the stressed area is uniform, the spherical supporting block is not easy to damage, and the service life is longer.
Wherein the fixed support 3 can adopt the structure as shown in fig. 9-11, the support groove of the fixed support 3 comprises at least one hemispherical groove 13 corresponding to the shape of the spherical support block 6; the supporting groove is composed of two half grooves which can be opened and closed so as to loosen or clamp the supporting block. The fixed support 3 comprises a support seat body 5, and the support groove is arranged at the end of the support seat body 5. The end of the supporting seat body 5 is provided with a downward vertical groove 9, the front end and the rear end of the vertical groove 9 extend to the front end and the rear end of the supporting seat body 5, and the vertical groove 9 extends downwards to the lower part of the supporting groove and divides the supporting groove into two symmetrical half grooves; a threaded hole 10 is formed in the position, located below the supporting groove, of the supporting seat body 5, of the vertical groove 9, and the supporting groove is tightly closed in a bolt connection mode. The other features of the hemispherical groove 13 are the same as those of the hemispherical groove in the floating support 4 described earlier. Of course, the structure shown in fig. 1-3 can also be adopted, but the length direction of the supporting groove and the height direction of the fixed support have an inclined angle, preferably 45 degrees or other required angles. Other configurations are not different from fig. 1-3.
Wherein the floating support 4 may be constructed as shown in fig. 4-7, with the structural features of the floating support 4 embodiment described earlier in this specification. Of course, the supporting groove of the floating support 4 can be a semi-cylindrical groove 7, the front end and the rear end of the supporting groove are provided with baffle plates 8 for blocking the spherical supporting block 6 from moving out from the two ends, and at least one spherical supporting block 6 is arranged in the semi-cylindrical groove 7.
The floating support 4 is arranged on one side of the deep groove ball bearing 2 opposite to the grinding wheel 1, the fixed support 3 is arranged on the same side of the grinding wheel 1 in the downward 45-degree direction or other positions, and the support is stable as long as the stress of the deep groove ball bearing 2 is balanced.
In specific implementation, the bearing to be processed is installed on a machine tool and adsorbed to the end face of the electromagnetic clamp. And (3) mounting a fixed support 32 and a floating support 4 on the machine tool, and adjusting the positions of the fixed support and the floating support to enable the spherical support block 6 to be in contact with the groove of the deep groove ball bearing 2 to be processed. The grinding wheel 1 then rotates to grind the bearing until machining is complete.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Claims (2)
1. The utility model provides a floating support for deep groove ball bearing, includes the supporting seat body, set up on the supporting seat body and the supporting seat of angularly adjustable between the supporting seat body, supporting seat end is the V-arrangement and sets up two and support the groove, supports and sets up the supporting shoe in the groove, thereby supports the groove and divide into two half grooves that can open and shut and loosen or block the supporting shoe, its characterized in that: the supporting block is a spherical supporting block with the diameter corresponding to the diameter of the groove of the supported bearing, and each supporting groove comprises at least two hemispherical grooves which are arranged at the top end of the supporting block seat and correspond to the spherical supporting block in shape.
2. The floating support for deep groove ball bearings of claim 1, wherein: the supporting block seats are U-shaped, two ends of each of the two U-shaped supporting block seats are respectively provided with a supporting groove, and the two supporting grooves are arranged in a V shape; each end of the supporting block seat is downwards provided with a vertical groove which divides the supporting groove of the supporting block seat into two symmetrical halves, and the vertical groove passes through all the hemispherical grooves of the supporting groove at the end; the vertical groove extends downwards to the lower part of the support groove to divide the end of the support block seat into two parts; the supporting block seat is provided with a threaded hole at a position below the supporting groove and penetrating through the vertical groove, and the supporting groove is tightly closed in a bolt connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510079.7U CN210524719U (en) | 2019-09-11 | 2019-09-11 | Floating support for deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510079.7U CN210524719U (en) | 2019-09-11 | 2019-09-11 | Floating support for deep groove ball bearing |
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| Publication Number | Publication Date |
|---|---|
| CN210524719U true CN210524719U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921510079.7U Active CN210524719U (en) | 2019-09-11 | 2019-09-11 | Floating support for deep groove ball bearing |
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| CN (1) | CN210524719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843825A (en) * | 2020-07-08 | 2020-10-30 | 广州大学 | Magnetic elastic floating support device for grinding annular workpiece |
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2019
- 2019-09-11 CN CN201921510079.7U patent/CN210524719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843825A (en) * | 2020-07-08 | 2020-10-30 | 广州大学 | Magnetic elastic floating support device for grinding annular workpiece |
| CN111843825B (en) * | 2020-07-08 | 2022-02-01 | 广州大学 | Magnetic elastic floating support device for grinding annular workpiece |
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