CN210524720U - Supporting mechanism for machining groove in outer circle of inner ring of deep groove ball bearing - Google Patents
Supporting mechanism for machining groove in outer circle of inner ring of deep groove ball bearing Download PDFInfo
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- CN210524720U CN210524720U CN201921510926.XU CN201921510926U CN210524720U CN 210524720 U CN210524720 U CN 210524720U CN 201921510926 U CN201921510926 U CN 201921510926U CN 210524720 U CN210524720 U CN 210524720U
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Abstract
The utility model provides a supporting mechanism for processing a groove of the excircle of the inner ring of a deep groove ball bearing, which comprises a grinding wheel which is arranged at one side of the deep groove ball bearing, is matched with the groove, rotates and grinds the groove; the same rotating plane of the grinding wheel is provided with a floating support and a fixed support; the floating support and the fixed support comprise support blocks which are in contact with the grooves; the grinding wheel, the floating support and the fixed support the deep groove ball bearing together; the floating support and the fixed support are both provided with support grooves, and spherical support blocks with the diameters corresponding to the diameters of the grooves of the supported bearings are rotatably arranged in the support grooves. The utility model discloses a fixed stay and floating support all adopt can support deep groove ball bearing at the rolling spherical supporting shoe of support inslot. 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 supporting mechanism of processing deep groove ball bearing inner circle excircle slot.
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. A supporting mechanism for machining a groove of an inner ring and an outer ring of a deep groove ball bearing, which is less prone to abrasion, is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a supporting mechanism of processing deep groove ball bearing inner circle excircle slot.
The purpose of the utility model is realized with the following mode: a supporting mechanism for processing a groove on the excircle of the inner ring of a deep groove ball bearing comprises a grinding wheel which is arranged on one side of the deep groove ball bearing, is matched with the groove, rotates and grinds the groove; the same rotating plane of the grinding wheel is provided with a floating support and a fixed support; the floating support and the fixed support comprise support blocks which are in contact with the grooves; the grinding wheel, the floating support and the fixed support the deep groove ball bearing together; the floating support and the fixed support are both provided with support grooves, and spherical support blocks with the diameters corresponding to the diameters of the grooves of the supported bearings are rotatably arranged in the support grooves.
The supporting groove of the fixed support comprises at least one hemispherical groove corresponding to the shape of the spherical supporting block; 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 floating support comprises a support seat body, a support block seat with an adjustable angle between the support seat body and the support seat body is arranged on the support seat body, two support grooves are arranged at the end head of the support seat in a V shape, and the support grooves are divided into two half grooves which can be opened and closed so as to loosen or clamp the support block; each supporting groove comprises at least two hemispherical grooves which are arranged at the top end of the supporting seat and correspond to the spherical supporting block in shape, and the spherical supporting blocks are arranged in the hemispherical grooves.
The floating support is arranged on one side of the deep groove ball bearing opposite to the grinding wheel, the fixed support is arranged on the same side of the grinding wheel in the downward 45-degree direction, and the surface of the support groove of the fixed support is tangent to the outer surface of the deep groove ball bearing.
The utility model has the advantages that: the fixed support and the floating support both adopt spherical support blocks which can roll in the support grooves to support the deep groove ball bearings. 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 (4)
1. A supporting mechanism for processing a groove on the excircle of the inner ring of a deep groove ball bearing comprises a grinding wheel which is arranged on one side of the deep groove ball bearing, is matched with the groove, rotates and grinds the groove; the same rotating plane of the grinding wheel is provided with a floating support and a fixed support; the floating support and the fixed support comprise support blocks which are in contact with the grooves; the grinding wheel, the floating support and the fixed support the deep groove ball bearing together; the method is characterized in that: and the floating support and the fixed support are both provided with support grooves, and spherical support blocks with the diameters corresponding to the diameters of the grooves of the supported bearings are rotatably arranged in the support grooves.
2. The supporting mechanism for machining the groove on the outer circle of the inner ring of the deep groove ball bearing as claimed in claim 1, wherein: the supporting groove of the fixed support comprises at least one hemispherical groove corresponding to the shape of the spherical supporting block; the supporting groove is composed of two half grooves which can be opened and closed so as to loosen or clamp the supporting block.
3. The supporting mechanism for machining the groove on the outer circle of the inner ring of the deep groove ball bearing as claimed in claim 1, wherein: the floating support comprises a support seat body, a support block seat with an adjustable angle between the support seat body and the support seat body is arranged on the support seat body, two support grooves are arranged at the end of the support seat in a V shape, and the support grooves are divided into two half grooves which can be opened and closed so as to loosen or clamp the support block; each supporting groove comprises at least two hemispherical grooves which are arranged at the top end of the supporting seat and correspond to the spherical supporting block in shape, and the spherical supporting blocks are arranged in the hemispherical grooves.
4. The supporting mechanism for machining the groove on the outer circle of the inner ring of the deep groove ball bearing as claimed in any one of claims 1 to 3, wherein: the floating support is arranged on one side of the deep groove ball bearing opposite to the grinding wheel, the fixed support is arranged in the downward 45-degree direction of the same side of the grinding wheel, and the surface of the support groove of the fixed support is tangent to the outer surface of the deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510926.XU CN210524720U (en) | 2019-09-11 | 2019-09-11 | Supporting mechanism for machining groove in outer circle of inner ring of deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510926.XU CN210524720U (en) | 2019-09-11 | 2019-09-11 | Supporting mechanism for machining groove in outer circle of inner ring of deep groove ball bearing |
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| Publication Number | Publication Date |
|---|---|
| CN210524720U true CN210524720U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921510926.XU Active CN210524720U (en) | 2019-09-11 | 2019-09-11 | Supporting mechanism for machining groove in outer circle of inner ring of deep groove ball bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199417A (en) * | 2021-04-13 | 2021-08-03 | 宝鸡法士特齿轮有限责任公司 | Floating steel ball supporting clamp and using method thereof |
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2019
- 2019-09-11 CN CN201921510926.XU patent/CN210524720U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199417A (en) * | 2021-04-13 | 2021-08-03 | 宝鸡法士特齿轮有限责任公司 | Floating steel ball supporting clamp and using method thereof |
| CN113199417B (en) * | 2021-04-13 | 2022-10-25 | 宝鸡法士特齿轮有限责任公司 | Floating steel ball supporting clamp and using method thereof |
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