CN220051225U - Groove grinding equipment for bearing inner ring - Google Patents
Groove grinding equipment for bearing inner ring Download PDFInfo
- Publication number
- CN220051225U CN220051225U CN202321532191.7U CN202321532191U CN220051225U CN 220051225 U CN220051225 U CN 220051225U CN 202321532191 U CN202321532191 U CN 202321532191U CN 220051225 U CN220051225 U CN 220051225U
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- supporting
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- position state
- feeding
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- 238000003754 machining Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 9
- 238000012840 feeding operation Methods 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 238000001125 extrusion Methods 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model relates to the field of bearing machining, and particularly discloses channel grinding equipment for an inner ring of a bearing. The channel grinding equipment comprises a clamping assembly, a movable supporting assembly and an external grinding unit, wherein the clamping assembly comprises a magnetic pole and a rotary driving unit, the rotary driving unit drives the magnetic pole to rotate, and the front end of the magnetic pole forms a clamping interval; the external grinding unit is positioned at one side of the clamping section; the movable supporting component comprises a supporting seat and a feeding driving unit, wherein at least two inner supporting pieces are arranged on the supporting seat, and the inner supporting pieces are arranged opposite to the magnetic poles; the feeding driving unit is used for driving the supporting seat to move relative to the clamping interval. The channel grinding equipment has the advantages that through reasonable arrangement of the supporting component, the integral extrusion deformation of the bearing inner ring in the grinding process is avoided, and the product quality is improved.
Description
Technical Field
The utility model relates to the field of bearing machining, in particular to channel grinding equipment for an inner ring of a bearing.
Background
The bearing is a common part in mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing friction coefficient in the motion process and ensuring rotation precision. The machining precision of bearing products is generally high, wherein the most critical precision parameters are inner diameter of an inner ring, outer diameter of an outer ring and precision of a channel, including dimensional precision and shape position precision. Bearing rings are usually machined in a grinding mode and clamped by matching with an electromagnetic centerless clamp.
The electromagnetic coreless fixture generally comprises a magnetic pole and a rotary driving piece, wherein the rotary driving piece drives the magnetic pole to rotate, and a supporting piece is arranged on one side of the magnetic pole. During processing, the bearing ring is fixed on the magnetic pole in a magnetic attraction mode, and the supporting piece is used for carrying out contact positioning on the outer peripheral surface of the bearing ring and then carrying out grinding processing.
Since the support member positions the outer peripheral surface of the bearing ring, when the outer peripheral surface grinding operation of the bearing ring is performed, the grinding processing unit and the support member can only be arranged relatively, and the bearing ring is easy to generate extrusion deformation in the processing process. Particularly, aiming at the bearing types with thinner part wall thickness, such as a flexible bearing and a robot bearing, the wall thickness of the ferrule is thinner, the requirement on precision is higher, and the problems of easy deformation and insufficient shape precision of the ferrule exist when the conventional electromagnetic centerless clamp is adopted for clamping and processing.
The utility model provides equipment for grinding the bearing inner ring, which aims at the defects of the existing ring processing mode.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the channel grinding equipment for the bearing inner ring, and the supporting component is reasonably arranged, so that the integral extrusion deformation of the bearing inner ring in the grinding process is avoided, and the product quality is improved.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the channel grinding equipment for the bearing inner ring comprises a clamping assembly, a movable supporting assembly and an outer grinding unit, wherein the clamping assembly comprises a magnetic pole and a rotary driving unit, the rotary driving unit drives the magnetic pole to rotate, and the front end of the magnetic pole forms a clamping interval; the external grinding unit is positioned at one side of the clamping section;
the movable supporting component comprises a supporting seat and a feeding driving unit, wherein at least two inner supporting pieces are arranged on the supporting seat, and the inner supporting pieces are arranged opposite to the magnetic poles; the feeding driving unit is used for driving the supporting seat to move relative to the clamping interval.
The groove grinding module is used for grinding the groove of the bearing inner ring, and during the machining, the movable supporting component and the external grinding unit can be selectively arranged to be opposite to the inner side and the outer side of the wall thickness of the bearing inner ring, and the load in the grinding process is completely borne by the wall thickness of the bearing inner ring, so that the integral deformation is reduced.
In a similar processing scene, the common support forms are all outer supports, the arrangement of the inner support forms is relatively complex, and the outer support forms need to be arranged to be movable for the feeding and discharging operation of the bearing rings, which has requirements on the structure, the arrangement form and the like of the inner support.
According to the utility model, through reasonably arranging the inner support form, the whole extrusion deformation of the bearing inner ring in the grinding process is avoided, and the product quality is improved.
Preferably, the inner support comprises a spherical support unit made of a ceramic material.
In order to ensure sufficient contact between the inner support and the bearing inner ring, the inner support can jack up the bearing inner ring part in the feeding process and always contacts with the bearing inner ring in the subsequent processing process, and the spherical shape can play a role in guiding the feeding of the inner support.
Preferably, the movable supporting component further comprises an adjusting seat, and the supporting seat is connected with the adjusting seat through a linear bearing.
The stability of the movement of the supporting seat and the inner supporting piece can be ensured, so that the feeding precision of the inner supporting piece is improved.
Preferably, the feed drive unit includes an electric cylinder, an air cylinder or a hydraulic cylinder.
Preferably, the inner support is adjustable radially relative to the support base. The method can be suitable for machining the bearing inner ring with the supplementary specification.
Preferably, the automatic feeding device comprises a conveying assembly, a feeding operation assembly and an auxiliary supporting assembly; the material conveying component comprises a material conveying channel, and a material outlet of the material conveying channel is arranged downwards;
the feeding operation assembly comprises a feeding driving unit and a push-pull piece, wherein the push-pull piece comprises a supporting plate, an upper limiting block and a lower limiting block are arranged on one side of the supporting plate, a containing interval is formed among the supporting plate, the upper limiting block and the lower limiting block, a feeding port and a discharging port are arranged in the containing interval, and a supporting operation channel is formed in the supporting plate;
the push-pull piece is obliquely arranged relative to the vertical direction, and at least three position states are provided for the push-pull piece: in the first position state, the accommodating section is aligned with the clamping section; in the second position state, the feed inlet of the accommodating section is aligned with the discharge outlet of the feeding channel; the third position state is a discharging state;
when the push-pull member is positioned in the first position state, the second position state and is switched between the first position state and the second position state, the auxiliary supporting component corresponds to the discharge opening of the accommodating section and is used for preventing the bearing inner ring from being discharged from the discharge channel; when the push-pull piece is in the third position state, the auxiliary supporting component is staggered with the discharge opening of the accommodating section; the feeding driving unit is used for driving the push-pull piece to move among a first position state, a second position state and a third position state.
When the bearing inner ring is not arranged in the accommodating section and the push-pull piece is in the second position state, the bearing inner ring in the feeding channel enters the accommodating section from the feeding port, and the single entering of the bearing inner ring each time can be ensured by setting the size of the accommodating section.
And then the push-pull piece enters the first position state from the second position state, and the auxiliary supporting component corresponds to the discharge opening of the accommodating section in the process of indexing and after entering the first position state, so that the bearing inner ring is prevented from being discharged from the discharge opening. After entering the first position state, the bearing inner ring is positioned in the clamping interval and aligned with the magnetic poles, then the movable supporting component works, and the inner supporting piece passes through the supporting operation channel and enters the bearing inner ring to finish the clamping and positioning operation of the bearing inner ring.
When the inner ring of the bearing completes the channel grinding processing in the first position state, the auxiliary supporting component is withdrawn, the push-pull piece reversely moves through the second position state, and finally the third position state is reached. When the push-pull piece passes through the second position state, the bearing inner ring still exists in the accommodating section, the bearing inner ring in the feeding channel cannot enter, and when the push-pull piece enters the third position state, the auxiliary supporting component is staggered with the discharge opening of the accommodating section, and the bearing inner ring in the accommodating section is discharged from the discharge opening, so that single machining operation of the bearing inner ring is completed. And finally, resetting the push-pull piece to the second position state for preparing for the next processing.
The automatic feeding device can automatically complete feeding and discharging operations of the bearing inner ring in the groove grinding process, and has the advantages of stable operation and high degree of automation.
Preferably, the auxiliary supporting component comprises a receiving supporting unit and a processing supporting unit, wherein the receiving supporting unit comprises a lower stop block, the lower stop block is positioned below a discharge hole of the feeding channel, a push-pull channel is formed in a region between the lower stop block and the discharge hole of the feeding channel, and the push-pull channel extends to a clamping region along the movement direction of the push-pull piece; the processing supporting unit is positioned below the clamping section.
The receiving support unit is used for closing the discharge hole between the second position state and the first position and the second position, so that the bearing inner ring is prevented from falling. The processing supporting unit is used for performing a pre-supporting and positioning function on the bearing inner ring after the push-pull piece enters the first position state, and the bearing inner ring is separated from the processing supporting unit after the inner supporting piece is in place.
Drawings
Fig. 1 is a schematic structural view of a channel grinding apparatus of the present embodiment; at this time, the movable supporting component is positioned in a state of being far away from the magnetic pole;
fig. 2 is a schematic structural view of the channel grinding apparatus of the present embodiment; at this time, the movable supporting component is positioned close to the magnetic pole;
fig. 3 is a front view of the channel grinding apparatus of the present embodiment;
fig. 4 is a schematic structural view of an automatic feeding device in the channel grinding apparatus of the present embodiment; at this time, the push-pull member is in a first position state;
fig. 5 is a schematic structural view of an automatic feeding device in the channel grinding apparatus of the present embodiment; at this time, the push-pull member is in the second position state;
fig. 6 is a schematic structural view of an automatic feeding device in the channel grinding apparatus of the present embodiment; at this time, the push-pull member is in a third position state;
FIG. 7 is a schematic view showing the structure of a push-pull member in the channel grinding apparatus of the present embodiment;
fig. 8 is a side sectional view of a push-pull member in the channel grinding apparatus of the present embodiment.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Examples
As shown in fig. 1-3, the channel grinding equipment for the bearing inner ring 01 comprises a clamping assembly, a movable supporting assembly and an external grinding unit, wherein the clamping assembly comprises a magnetic pole 1 and a rotary driving unit, the rotary driving unit drives the magnetic pole 1 to rotate, and the front end of the magnetic pole 1 forms a clamping interval. The external grinding unit is positioned at one side of the clamping section.
As shown in fig. 1-3, the movable supporting assembly includes a supporting seat 22 and a feeding driving unit 24, at least two inner supporting members 21 are disposed on the supporting seat 22, and the inner supporting members 21 are disposed opposite to the magnetic pole 1. The feeding driving unit 24 is used for driving the supporting seat 22 to move relative to the clamping interval. The feed drive unit 24 comprises an electric cylinder, an air cylinder or a hydraulic cylinder. The inner support 21 is radially adjustable with respect to the support seat 22. The processing method can be suitable for processing the bearing inner ring 01 with the supplementary specification.
The groove grinding module is used for grinding the groove of the bearing inner ring 01, and during the machining, the movable supporting component and the outer grinding unit can be selectively arranged to be opposite to each other relative to the inner wall thickness of the bearing inner ring 01, and the load in the grinding process is completely borne by the wall thickness of the bearing inner ring 01, so that the integral deformation is reduced.
In a similar processing scene, the common support forms are all outer supports, the arrangement of the inner support forms is relatively complex, and the outer support forms need to be arranged to be movable for the feeding and discharging operation of the bearing rings, which has requirements on the structure, the arrangement form and the like of the inner support.
As shown in fig. 1 to 3, in particular, the inner support 21 comprises a spherical support unit made of ceramic material. In order to ensure sufficient contact between the inner support 21 and the bearing inner ring 01, the inner support 21 will jack up part of the bearing inner ring 01 during feeding and will always contact the bearing inner ring 01 during subsequent processing, and the ball shape can guide the feeding of the inner support 21.
As shown in fig. 1-3, in particular, the movable supporting assembly further includes an adjusting seat 23, and the supporting seat 22 is connected with the adjusting seat 23 through a linear bearing. It is possible to ensure the smoothness of the movement of the support base 22 and the inner support 21, thereby improving the feeding accuracy of the inner support 21.
According to the utility model, through reasonably arranging the inner support form, the whole extrusion deformation of the bearing inner ring 01 in the grinding process is avoided, and the product quality is improved.
As shown in fig. 4-8, the automatic feeding device further comprises an automatic feeding device, wherein the automatic feeding device comprises a feeding assembly 31, a feeding operation assembly and an auxiliary supporting assembly 33. The material conveying component 31 comprises a material conveying channel, and a material outlet of the material conveying channel is arranged downwards.
As shown in fig. 4-8, the feeding operation assembly comprises a feeding driving unit and a push-pull member 32, the push-pull member 32 comprises a support plate 321, an upper limit block 322 and a lower limit block 324 are arranged on one side of the support plate 321, a containing section 323 is formed among the support plate 321, the upper limit block 322 and the lower limit block 324, a feeding port and a discharging port are arranged in the containing section 323, and a supporting operation channel 325 is formed in the support plate 321.
As shown in fig. 4-8, the push-pull member 32 is disposed obliquely with respect to the vertical direction, and the push-pull member 32 has at least three positions: in the first position state, the accommodation section 323 is aligned with the holding section; in the second position state, the feed inlet of the accommodating section 323 is aligned with the discharge outlet of the feed channel; the third position state is a discharge state.
As shown in fig. 4-8, when the push-pull member 32 is located in the first position state, the second position state, and is switched between the first position state and the second position state, the auxiliary supporting component 33 corresponds to the discharge opening of the accommodating section 323, and the auxiliary supporting component 33 is used for preventing the bearing inner ring 01 from being discharged from the discharge channel; when the push-pull member 32 is in the third position state, the auxiliary supporting component 33 is staggered with the discharge opening of the accommodating section 323; the feeding driving unit is used for driving the push-pull member 32 to move among a first position state, a second position state and a third position state.
When the accommodating section 323 is not provided with the bearing inner ring 01 and the push-pull member 32 is in the second position state, the bearing inner ring 01 in the feeding channel enters the accommodating section 323 from the feeding port, and the single entering at each time can be ensured by setting the size of the accommodating section 323.
Immediately after the push-pull member 32 enters the first position from the second position, the auxiliary supporting member 33 corresponds to the discharge opening of the receiving space 323 during the indexing process and after entering the first position, and prevents the bearing inner race 01 from being discharged from the discharge opening. After entering the first position state, the bearing inner ring 01 is positioned in the clamping interval and aligned with the magnetic pole 1, then the movable supporting component works, and the inner supporting piece 21 passes through the supporting operation channel 325 and enters the bearing inner ring 01, so that the clamping and positioning operation of the bearing inner ring 01 is completed.
After finishing the groove grinding process of the bearing inner ring 01 in the first position state, the auxiliary supporting component 33 is withdrawn, the push-pull piece 32 reversely moves through the second position state, and finally reaches the third position state. When the push-pull member 32 passes through the second position state, the bearing inner ring 01 still exists in the accommodating section 323, the bearing inner ring 01 in the feeding channel cannot enter, and when the push-pull member 32 enters the third position state, the auxiliary supporting component 33 is staggered with the discharge opening of the accommodating section 323, the bearing inner ring 01 in the accommodating section 323 is discharged from the discharge opening, and single machining operation of the bearing inner ring 01 is completed. Finally, the push-pull member 32 is reset to the second position state ready for the next processing.
The automatic feeding device can automatically complete feeding and discharging operations of the bearing inner ring 01 in the groove grinding process, and has the advantages of stable operation and high degree of automation.
As shown in fig. 4 to 8, specifically, the auxiliary supporting component 33 includes a receiving supporting unit 331 and a processing supporting unit 332, where the receiving supporting unit 331 includes a lower stop, the lower stop is located below the discharge port of the feeding channel, and a push-pull channel is formed in a region between the lower stop and the discharge port of the feeding channel, and the push-pull channel extends to the clamping section along the moving direction of the push-pull member 32; the processing support unit 332 is located below the clamping section.
The material receiving support unit 331 is used for closing the discharge hole between the second position state and the first position and the second position, so as to prevent the bearing inner ring 01 from falling. The processing supporting unit 332 is used for performing a pre-supporting and positioning function on the bearing inner ring 01 after the push-pull member 32 enters the first position state, and the bearing inner ring 01 is separated from the processing supporting unit 332 after the inner supporting member 21 is in place.
In summary, the foregoing description is only of the preferred embodiments of the utility model, and is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (7)
1. A channel abrasive machining equipment for bearing inner race, its characterized in that:
the grinding device comprises a clamping assembly, a movable supporting assembly and an external grinding unit, wherein the clamping assembly comprises a magnetic pole and a rotary driving unit, the rotary driving unit drives the magnetic pole to rotate, and the front end of the magnetic pole forms a clamping interval; the external grinding unit is positioned at one side of the clamping section;
the movable supporting component comprises a supporting seat and a feeding driving unit, wherein at least two inner supporting pieces are arranged on the supporting seat, and the inner supporting pieces are arranged opposite to the magnetic poles; the feeding driving unit is used for driving the supporting seat to move relative to the clamping interval.
2. The channel grinding apparatus as defined in claim 1, wherein: the inner support comprises a spherical support unit made of ceramic materials.
3. The channel grinding apparatus as defined in claim 1, wherein: the movable supporting component also comprises an adjusting seat, and the supporting seat is connected with the adjusting seat through a linear bearing.
4. The channel grinding apparatus as defined in claim 1, wherein: the feeding driving unit comprises an electric cylinder, an air cylinder or a hydraulic cylinder.
5. The channel grinding apparatus as defined in claim 1, wherein: the inner support member is radially adjustable relative to the support base.
6. The trench grinding apparatus as defined in any one of claims 1-5, wherein: the automatic feeding device comprises a conveying assembly, a feeding operation assembly and an auxiliary supporting assembly; the material conveying component comprises a material conveying channel, and a material outlet of the material conveying channel is arranged downwards;
the feeding operation assembly comprises a feeding driving unit and a push-pull piece, wherein the push-pull piece comprises a supporting plate, an upper limiting block and a lower limiting block are arranged on one side of the supporting plate, a containing interval is formed among the supporting plate, the upper limiting block and the lower limiting block, a feeding port and a discharging port are arranged in the containing interval, and a supporting operation channel is formed in the supporting plate;
the push-pull piece is obliquely arranged relative to the vertical direction, and at least three position states are provided for the push-pull piece: in the first position state, the accommodating section is aligned with the clamping section; in the second position state, the feed inlet of the accommodating section is aligned with the discharge outlet of the feeding channel; the third position state is a discharging state;
when the push-pull member is positioned in the first position state, the second position state and is switched between the first position state and the second position state, the auxiliary supporting component corresponds to the discharge opening of the accommodating section and is used for preventing the bearing inner ring from being discharged from the discharge channel; when the push-pull piece is in the third position state, the auxiliary supporting component is staggered with the discharge opening of the accommodating section; the feeding driving unit is used for driving the push-pull piece to move among a first position state, a second position state and a third position state.
7. The channel grinding apparatus as defined in claim 6, wherein: the auxiliary supporting component comprises a receiving supporting unit and a processing supporting unit, wherein the receiving supporting unit comprises a lower stop block, the lower stop block is positioned below a discharge hole of the feeding channel, a push-pull channel is formed in a region between the lower stop block and the discharge hole of the feeding channel, and the push-pull channel extends to a clamping region along the movement direction of the push-pull piece; the processing supporting unit is positioned below the clamping section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321532191.7U CN220051225U (en) | 2023-06-15 | 2023-06-15 | Groove grinding equipment for bearing inner ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321532191.7U CN220051225U (en) | 2023-06-15 | 2023-06-15 | Groove grinding equipment for bearing inner ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220051225U true CN220051225U (en) | 2023-11-21 |
Family
ID=88763891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321532191.7U Active CN220051225U (en) | 2023-06-15 | 2023-06-15 | Groove grinding equipment for bearing inner ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220051225U (en) |
-
2023
- 2023-06-15 CN CN202321532191.7U patent/CN220051225U/en active Active
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