CN210524722U - Supporting mechanism for processing groove of outer circle of inner ring of roller bearing - Google Patents
Supporting mechanism for processing groove of outer circle of inner ring of roller bearing Download PDFInfo
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- CN210524722U CN210524722U CN201921510077.8U CN201921510077U CN210524722U CN 210524722 U CN210524722 U CN 210524722U CN 201921510077 U CN201921510077 U CN 201921510077U CN 210524722 U CN210524722 U CN 210524722U
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Abstract
The utility model provides a supporting mechanism for processing a groove on the excircle of the inner ring of a roller bearing, which comprises a grinding wheel which is arranged on one side of the roller 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, and the grinding wheel, the floating support and the fixed support the roller bearing together; supporting grooves are formed in the floating support and the fixed support, and cylindrical supporting blocks with lengths corresponding to the width of the grooves are rotatably arranged in the supporting grooves. The utility model discloses a supporting mechanism adopts cylindrical supporting shoe and roller bearing's slot contact, and the fixed stay that adopts cylindrical supporting shoe supports firmly with floating support in the course of the work, and the atress is even, and is very little to the damage of bearing and self, has increased the life of self.
Description
Technical Field
The utility model belongs to the bearing processing field, concretely relates to supporting mechanism of processing roller 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. When a groove on the outer surface of a bearing inner ring is ground, a hard alloy supporting block of a fixed support or a floating support is arranged in the groove to support the bearing, and the conventional supporting mechanism comprises the fixed support and the 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.
However, the above-mentioned patent does not work well for roller bearings. Because the grooves of the roller bearing are rectangular in cross-section. The supporting blocks of cemented carbide supported in the above patent do not provide a good supporting effect. The existing supporting mechanism for supporting the roller bearing mostly adopts a hard alloy supporting block in a cuboid shape, wherein the width of the cuboid corresponds to the width of the groove, so that the supporting mechanism is stably supported between the cuboid and the groove of the bearing. At present, support blocks in a cuboid shape are mostly arranged on a support mechanism in a welding mode. The supporting block and the groove have sliding friction, the friction force is large, the machining precision of the bearing is influenced to a certain degree, the abrasion of the supporting block is accelerated more easily, and a supporting mechanism which is stable in supporting, reduces the abrasion and prolongs the service life and is suitable for the roller bearing is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a supporting mechanism of processing roller 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 an inner ring of a roller bearing comprises a grinding wheel, a grinding wheel and a grinding wheel, wherein the grinding wheel is arranged on one side of the roller bearing and is matched with the groove to rotate and grind 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, and the grinding wheel, the floating support and the fixed support the roller bearing together; supporting grooves are formed in the floating support and the fixed support, and cylindrical supporting blocks with lengths corresponding to the width of the grooves are rotatably arranged in the supporting grooves.
The supporting groove of the fixed support comprises at least two semi-cylindrical grooves which are arranged at the end of the supporting seat body side by side and correspond to the cylindrical supporting block in shape, and the cylindrical supporting block is arranged in the semi-cylindrical grooves; the end of the supporting seat body is downwards provided with a vertical groove to divide each supporting groove into two halves which can be clamped or loosened.
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, the end of the support block seat is provided with two support grooves in a V shape, cylindrical support blocks with the length corresponding to the width of a groove of a supported roller bearing are arranged in the support grooves, each support groove comprises at least two semi-cylindrical grooves which are arranged at the top end of the support block seat side by side and correspond to the cylindrical support block in shape, and cylindrical support blocks are arranged in the semi-cylindrical grooves; the supporting block seat is provided with a vertical groove downwards at the end, and each supporting groove is divided into two halves which can be clamped or loosened.
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 groove contact of cylindrical supporting block and roller bearing is adopted, the fixed support and the floating support of cylindrical supporting block are adopted to support stably in the working process, the stress is uniform, the damage to the bearing and the bearing is small, and the service life of the bearing and the bearing is prolonged.
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 the roller bearing, 3 is the fixed support, 4 is the floating support, 5 is the supporting seat body, 6 is the cylindrical support piece, 7 is the rectangle supporting slot, 8 is the baffle, 9 is the vertical slot, 10 is the screw hole, 11 is the bolt, 12 is the supporting seat, 13 is the semi-cylindrical groove.
Detailed Description
As shown in fig. 1-3, a fixed support 3 for a roller bearing comprises a support base body 5, wherein a support groove is arranged at the end of the support base body 5, and a support block is arranged in the support groove, wherein the support block is at least 1 cylindrical support block 6 arranged in the support groove side by side. The supporting groove is a rectangular supporting groove 7 with a rectangular section. The length of the cylindrical supporting block 6 corresponds to the width of the groove of the roller bearing 2; the length direction of the cylindrical supporting block 6 corresponds to the width direction of the rectangular supporting groove 7; the end of the supporting seat body 5 is provided with a vertical groove 9 downwards to divide the rectangular supporting groove 7 into two halves which can be clamped or loosened. The cylindrical supporting block 6 is detachably arranged in the rectangular supporting groove 7, and the upper end of the cylindrical supporting block is arranged in the groove of the roller bearing 2 to play a supporting role in the working state. The cylindrical supporting block 6 is made of hard alloy or ceramic or diamond particles. The width of the rectangular support groove 7 is slightly greater than the length of the cylindrical support block 6. The degree of clamping of the rectangular support grooves 7 is adjusted as required, determining whether the cylindrical support block 6 is rolling friction or sliding friction. The stress is uniform under the condition of rolling friction, the damage to the bearing and the bearing is small, and the processing precision is improved; the service life of the device is prolonged. When the clamping is tight, the roller can not roll freely, and belongs to sliding friction, and after the contact surface is abraded, the roller is not required to be replaced, and only the cylindrical supporting block needs to be loosened to rotate for a certain angle for continuous use. Compared with a support block in a cuboid shape, the service life is longer. The cylindrical support block 6 is preferably in rolling friction contact with the groove.
Two ends of the rectangular supporting groove 7 in the length direction are provided with baffle plates 8 for preventing the cylindrical supporting block 6 from rolling out of two ends of the rectangular supporting groove 7; the vertical slots 9 divide the baffle 8 in half. 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 below the rectangular supporting groove 7; a threaded hole 10 is formed in the position, located below the rectangular supporting groove 7, of the supporting seat body 5, of the vertical groove 9, and the two half rectangular supporting grooves 7 are tightly closed in a bolt connection mode.
In specific implementation, the cylindrical support block 6 is placed in the rectangular support groove 7, and then the bolt 11 is placed in the threaded hole 10 at the end part of the support seat body 5, so that the rectangular support groove 7 is tightly clamped on the cylindrical support block 6.
As shown in fig. 4-7, a floating support 4 for a roller bearing 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 end of the support block seat 12 in a V shape, a support block is arranged in each support groove, wherein the support block is a cylindrical support block 6 with a length corresponding to the width of a groove of a supported roller bearing 2, each support groove comprises at least two semi-cylindrical grooves 13 which are arranged at the top end of the support block seat 12 side by side and correspond to the shape of the cylindrical support block 6, and the cylindrical support block 6 is arranged in each semi-cylindrical groove 13; the vertical grooves 9 arranged at the ends of the support block seats 12 downwards divide each support groove into two halves which can be clamped or loosened. The supporting block seat 12 is arranged on the supporting seat body 5 through a pin shaft or a screw. The cylindrical supporting block 6 is detachably mounted in the semi-cylindrical groove 13, and the upper end of the cylindrical supporting block is arranged in the groove of the roller bearing 2 to play a supporting role in the working state. The cylindrical supporting block 6 is made of hard alloy or ceramic or diamond particles. The clamping degree of the supporting groove is adjusted according to requirements, and whether the cylindrical supporting block is in rolling friction or sliding friction is determined. The stress is uniform under the condition of rolling friction, the damage to the bearing and the bearing is small, and the processing precision is improved; the service life of the device is prolonged. When the clamping is tight, the roller can not roll freely, and belongs to sliding friction, and after the contact surface is abraded, the roller is not required to be replaced, and only the cylindrical supporting block 6 needs to be loosened to rotate for a certain angle for continuous use. Compared with a support block in a cuboid shape, the service life is longer. The cylindrical support block 6 is preferably in rolling friction contact with the groove.
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 support block seat 12 is downwards provided with a vertical groove 9 which divides the support groove of the support block seat 12 into two halves, and the vertical groove 9 passes through all semi-cylindrical grooves 13 of the end support 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, and the support groove is tightly closed in a bolt connection mode. The front and rear ends of the vertical groove 9 extend to the front and rear ends of each end of the U-shaped support block seat 12. The vertical groove 9 is a rectangular groove.
The semi-cylindrical groove 13 is a cylindrical surface having an angle of not more than 180 degrees. The two ends of the cylindrical surface can also be connected with the rectangular section. The semi-cylindrical slot 13 has a length corresponding to the length of the cylindrical support block 6, typically slightly greater than the length of the cylindrical support block. The diameter of the semi-cylindrical groove 13 corresponds to the support of the cylindrical support block 6. .
In specific implementation, the cylindrical support block 6 is placed in the semi-cylindrical groove 13 of the support groove, and then the bolt 11 is placed in the threaded hole 10, so that the support groove is tightly clamped on the cylindrical support 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 roller bearing 2 comprises a grinding wheel 1 which is arranged on one side of the roller 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 supporting blocks in contact with the grooves; the grinding wheel 1, the floating support 4 and the fixed support 3 support the roller bearing 2 together. The floating support 4 and the fixed support 3 are both provided with support grooves, and cylindrical support blocks 6 with the length corresponding to the width of the grooves are rotatably arranged in the support grooves. The cylindrical supporting block 6 is stably supported, the friction force between the cylindrical supporting block and the roller bearing 2 is small, the stressed area is uniform, the cylindrical supporting block is not easy to damage, and the service life is longer.
As shown in fig. 9-11, the supporting groove of the fixed support 3 includes at least two semi-cylindrical grooves 13 arranged side by side at the end of the supporting seat body 5 and corresponding to the shape of the cylindrical supporting block 6, and the cylindrical supporting block 6 is arranged in the semi-cylindrical grooves 13; the end of the supporting seat body 5 is provided with a vertical groove 9 downwards to divide each supporting groove into two halves which can be clamped or loosened. 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 vertical groove 9 extends downwards to the lower part of the supporting groove to divide the end of the supporting seat body 5 into two halves; the end of the supporting seat body 5 is positioned below the supporting groove and penetrates through the vertical groove 9, and a threaded hole 10 is formed in the position, and the supporting 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 the supporting seat body 5, and the vertical groove 9 is a rectangular groove. Of course, the support grooves of the fixed support 3 may be rectangular support grooves having a rectangular parallelepiped cross section as in the previous embodiment of the fixed support 3. The specific structure is shown in fig. 1-3, which is already described above and will not be described in detail.
The floating support 4 comprises a support seat body 5, a support block seat 12 with an adjustable angle with the support seat body 5 is arranged on the support seat body 5, the end of the support block seat 12 is provided with two support grooves in a V shape, cylindrical support blocks 6 with the length corresponding to the width of grooves of the supported roller bearing are arranged in the support grooves, each support groove comprises at least two semi-cylindrical grooves 12 which are arranged at the top ends of the support block seats side by side and correspond to the shapes of the cylindrical support blocks 6, and cylindrical support blocks 13 are arranged in the semi-cylindrical grooves 123; the vertical grooves 9 arranged at the ends of the support block seats 12 downwards divide each support groove into two halves which can be clamped or loosened. The specific structure is as above for the embodiment of the floating support 4. Of course, the floating support 4 may also adopt the structure of the rectangular support groove 7 with the rectangular cross section in the fixed support embodiment.
The floating support 4 is arranged on one side of the roller bearing 2 opposite to the grinding wheel 1, and the fixed support 3 is arranged on the same side of the grinding wheel 1 and faces downwards 45 degrees. Or other positions, as long as the roller bearing is stressed evenly and the support is stable.
In specific implementation, the bearing to be processed is installed on a machine tool and adsorbed to the end face of the electromagnetic clamp. A fixed support 3 and a floating support 4 are arranged on the machine tool, and the positions of the fixed support and the floating support are adjusted to enable a cylindrical support block 6 to be in contact with a roller bearing groove to be machined. 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 an inner ring of a roller bearing comprises a grinding wheel, a grinding wheel and a grinding wheel, wherein the grinding wheel is arranged on one side of the roller bearing and is matched with the groove to rotate and grind 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, and the grinding wheel, the floating support and the fixed support the roller bearing together; the method is characterized in that: and the floating support and the fixed support are both provided with support grooves, and cylindrical support blocks with the length corresponding to the width of the grooves 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 roller bearing is characterized in that: the supporting groove of the fixed support comprises at least two semi-cylindrical grooves which are arranged at the end of the supporting seat body side by side and correspond to the cylindrical supporting block in shape, and the cylindrical supporting block is arranged in the semi-cylindrical grooves; the end of the supporting seat body is downwards provided with a vertical groove to divide each supporting groove into two halves which can be clamped or loosened.
3. The supporting mechanism for machining the groove on the outer circle of the inner ring of the roller bearing is characterized in that: 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 block seat in a V shape, cylindrical support blocks with the length corresponding to the width of a groove of a supported roller bearing are arranged in the support grooves, each support groove comprises at least two semi-cylindrical grooves which are arranged at the top end of the support block seat side by side and correspond to the cylindrical support block in shape, and cylindrical support blocks are arranged in the semi-cylindrical grooves; the supporting block seat is provided with a vertical groove downwards at the end, and each supporting groove is divided into two halves which can be clamped or loosened.
4. The supporting mechanism for machining the groove on the outer circle of the inner ring of the roller bearing is characterized in that: 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 |
|---|---|---|---|
| CN201921510077.8U CN210524722U (en) | 2019-09-11 | 2019-09-11 | Supporting mechanism for processing groove of outer circle of inner ring of roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510077.8U CN210524722U (en) | 2019-09-11 | 2019-09-11 | Supporting mechanism for processing groove of outer circle of inner ring of roller bearing |
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| Publication Number | Publication Date |
|---|---|
| CN210524722U true CN210524722U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921510077.8U Active CN210524722U (en) | 2019-09-11 | 2019-09-11 | Supporting mechanism for processing groove of outer circle of inner ring of roller bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618676A (en) * | 2020-06-10 | 2020-09-04 | 山东蓝宇精密轴承制造有限公司 | Floating support applied to grinding machine |
| CN112975747A (en) * | 2021-02-25 | 2021-06-18 | 中国航发哈尔滨轴承有限公司 | Floating support structure for processing bearing |
-
2019
- 2019-09-11 CN CN201921510077.8U patent/CN210524722U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618676A (en) * | 2020-06-10 | 2020-09-04 | 山东蓝宇精密轴承制造有限公司 | Floating support applied to grinding machine |
| CN112975747A (en) * | 2021-02-25 | 2021-06-18 | 中国航发哈尔滨轴承有限公司 | Floating support structure for processing bearing |
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