CN221347622U - Deep groove ball bearing for cutting machine - Google Patents
Deep groove ball bearing for cutting machine Download PDFInfo
- Publication number
- CN221347622U CN221347622U CN202420103141.5U CN202420103141U CN221347622U CN 221347622 U CN221347622 U CN 221347622U CN 202420103141 U CN202420103141 U CN 202420103141U CN 221347622 U CN221347622 U CN 221347622U
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- Prior art keywords
- outer ring
- cutting machine
- deep groove
- ball bearing
- groove ball
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- 238000005520 cutting process Methods 0.000 title claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000004519 grease Substances 0.000 claims description 5
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 4
- 239000004575 stone Substances 0.000 abstract description 22
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 description 8
- 238000011900 installation process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000012938 design process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
A deep groove ball bearing for a cutting machine belongs to the field of deep groove ball bearing design. The utility model solves the technical problem that the bearing of the stone cutting machine has shorter service life due to the adoption of an inner ring rotating mode in the structure that the widths of the inner ring and the outer ring are equal, an outer ring flange is arranged on the outer wall of the outer ring, the outer ring and the outer ring flange are integrally manufactured, the outer ring flange is provided with a threaded hole which is used for being connected with a cutting shaft of an external cutting machine, the outer ring is sleeved outside the inner ring, the inner wall of the outer ring and the outer wall of the inner ring are both provided with roller paths, a steel ball is arranged between the outer ring and the inner ring through the roller paths, a retainer is sleeved on the outer wall of the steel ball, sealing rings are arranged at the two sides of the retainer and matched with the end part of the outer ring and the end part of the inner ring, and the ratio of the width dimension of the outer ring to the width dimension of the inner ring is 0.95-0.97. The outer ring is adopted to work in a rotating way, so that the service life of the bearing of the stone cutting machine is prolonged. The utility model is used for the cutter bearing.
Description
Technical Field
The utility model relates to a deep groove ball bearing for a cutting machine, and belongs to the field of deep groove ball bearing design.
Background
The stone cutting machine is one kind of stone machining equipment and is used mainly in cutting, slotting and grinding stone. Along with the development of the building industry and the increasing demands of people for decorative materials, the stone cutting machine industry is also rapidly developed. The stone cutting machine is particularly important, stone is hard, and dust, cutting fluid, other chemical impurities and the like of equipment parts are particularly important in the design of service life and reliability of a bearing of the stone cutting machine when facing to complex environments.
The bearing of the existing stone cutting machine adopts an inner ring rotating mode, so that contact fatigue is easy to form, and the service life of the bearing of the existing stone cutting machine is short; the widths of the inner ring and the outer ring of the bearing of the existing stone cutting machine are equal, the inner ring bears larger radial load, and the service life of the bearing of the stone cutting machine is also shorter.
In summary, the bearing of the existing stone cutting machine adopts the inner ring rotating mode, so that the technical problem of shorter service life of the bearing of the stone cutting machine exists in the structure that the widths of the inner ring and the outer ring are equal.
Disclosure of utility model
The utility model aims to solve the technical problem that the service life of the bearing of the stone cutting machine is short due to the fact that the inner ring is adopted to rotate and the widths of the inner ring and the outer ring are equal in the bearing of the existing stone cutting machine, and further provides a deep groove ball bearing for the stone cutting machine. The technical scheme of the utility model is that the deep groove ball bearing for the cutting machine is characterized in that an outer ring flange is arranged on the outer wall of an outer ring, the outer ring and the outer ring flange are integrally manufactured, the outer ring flange is provided with a threaded hole, the threaded hole is used for being connected with a cutting shaft of the external cutting machine, the outer ring is sleeved outside the inner ring, roller paths are arranged on the inner wall of the outer ring and the outer wall of the inner ring, a steel ball is arranged between the outer ring and the inner ring through the roller paths, a retainer is sleeved on the outer wall of the steel ball, sealing rings are arranged on two sides of the retainer and matched with the end part of the outer ring and the end part of the inner ring, and the ratio of the width dimension of the outer ring to the width dimension of the inner ring ranges from 0.95 to 0.97.
As another improvement of the utility model, an outer ring tooth mouth is arranged on the inner wall of the end part of the outer ring, and an inner ring tooth mouth is arranged on the outer wall of the end part of the inner ring.
As another improvement of the utility model, the sealing ring is fixedly and hermetically connected with the outer ring through the tooth mouth of the outer ring, and the sealing ring is in contact sealing with the inner ring through the tooth mouth of the inner ring.
As another improvement of the utility model, the retainer is fixedly sleeved on the outer wall of the steel ball through rivets.
As another improvement of the present utility model, the initial radial play of the deep groove ball bearing for a cutter is 0.011mm to 0.021mm.
As another improvement of the present utility model, the initial axial play of the deep groove ball bearing for a cutter is 0.096mm to 0.176mm.
As another improvement of the utility model, the width dimension of the outer ring is 24mm and the dimension of the inner ring is 25mm.
As another improvement of the utility model, the number of the threaded holes of the outer ring flange is 10.
As another improvement of the utility model, the threaded holes comprise first threaded holes and second threaded holes, wherein the first threaded holes are uniformly arranged at intervals of 45 degrees along the circumferential direction of the outer ring flange, the second threaded holes are uniformly arranged at intervals of 180 degrees along the circumferential direction of the outer ring flange, and the second threaded holes are equidistant from two adjacent first threaded holes. .
As another improvement of the utility model, a molybdenum disulfide high-temperature lubricating grease layer is smeared in a gap of a deep groove ball bearing for a cutting machine.
The utility model has the beneficial effects that:
1. The outer ring flange is arranged on the outer wall of the outer ring, the outer ring and the outer ring flange are integrally manufactured, the outer ring flange is provided with a threaded hole, the threaded hole is used for being connected with a cutting shaft of an external cutting machine, the outer ring rotates to work, the rotating speed is low, the maximum value of the point bearing the cutting stress is changed for the rotating outer ring, and the circumference of the outer ring is larger, so that the contact fatigue life is longer than that of the inner ring, and the service life of a bearing of the stone cutting machine is further prolonged.
2. The ratio of the width dimension of the outer ring to the width dimension of the inner ring is 0.95-0.97, the width dimension of the outer ring is 24mm, the dimension of the inner ring is 25mm, the widths of the inner ring and the outer ring of the conventional bearing are 24mm, and the width of the inner ring is 25mm; the width of the inner ring of the bearing is wider than the width of the outer ring of the bearing, the shaft is more convenient to guide and install when the inner hole of the bearing is installed in the design and installation process, the wider size of the inner ring relative to the outer ring provides a supplementary position for installing a fastener or a sealing element, larger support is provided for the shaft, larger radial load, thrust load and combined mixed load can be borne, and the service life of the bearing is prolonged.
Drawings
Fig. 1 is a schematic view of a deep groove ball bearing structure for a cutting machine according to the present utility model.
Fig. 2 is a schematic view of the outer ring flange structure.
Fig. 3 is a schematic view of the inner ring structure.
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 3, the deep groove ball bearing for a cutting machine of the present embodiment is described, and is characterized in that the deep groove ball bearing for a cutting machine includes an outer ring 1, an inner ring 2, a steel ball 3, a retainer 4, a seal ring 5, a threaded hole 6 and an outer ring flange 7, the outer wall of the outer ring 1 is provided with the outer ring flange 7, the outer ring 1 and the outer ring flange 7 are integrally formed, the outer ring flange 7 is provided with the threaded hole 6, the threaded hole 6 is used for being connected with a cutting shaft of an external cutting machine, the outer ring 1 is sleeved outside the inner ring 2, raceways are arranged on the inner wall of the outer ring 1 and the outer wall of the inner ring 2, the steel ball 3 is mounted between the outer ring 1 and the inner ring 2 through the raceways, the inner ring, the outer ring and the steel ball are made of stainless steel, the stainless steel has excellent corrosion resistance, the stainless steel is naturally clean, the outer wall of the steel ball 3 is sleeved with the retainer 4, both sides of the retainer 4 are provided with the seal ring 5, and the ratio of the width dimension of the outer ring 1 to the width dimension of the inner ring 2 is in the range of 0.95 to 0.97, the range of the ratio of the width dimension of the outer ring 2 is required to be in the contact precision P5.
The bearing inner hole is convenient to guide and install in the installation process of the bearing inner hole, and the wider size of the inner ring relative to the outer ring provides a supplementary position for the installation of a fastener or a sealing element, provides a larger support for the shaft, can bear larger radial load, thrust load and combined mixed load, and further prolongs the service life of the bearing of the stone cutting machine.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 3, and one difference between the present embodiment and the specific embodiment is that an outer ring tooth 11 is provided on an end inner wall of an outer ring 1, and an inner ring tooth 21 is provided on an end outer wall of an inner ring 2. The function is to seal the outer ring 1 and the inner ring 2 of the sealing ring 5 through the tooth mouth, and the other components and the connection mode are the same as the first embodiment.
And a third specific embodiment: the present embodiment will be described with reference to fig. 1 to 3, and one difference between the present embodiment and the specific embodiment is that the seal ring 5 is fixedly and sealingly connected to the outer ring 1 through the outer ring teeth 11, and the seal ring 5 is in contact and sealed with the inner ring 2 through the inner ring teeth 21. By adopting the contact type sealing structure, external impurities can be effectively prevented from entering the bearing and the internal lubricating grease from leaking outwards, the service life of the bearing is influenced, and the service life of the bearing is further prolonged. Other compositions and connection modes are the same as those of the first or second embodiment.
The specific embodiment IV is as follows: the present embodiment will be described with reference to fig. 1 to 3, and one difference between the present embodiment and the specific embodiment is that the retainer 4 is fixedly fitted on the outer wall of the steel ball 3 by rivets 41. Other compositions and connection modes are the same as any one of the first to third embodiments.
Fifth embodiment: the present embodiment is explained with reference to fig. 1 to 3, and one difference between the present embodiment and the specific embodiment is that the initial radial play of the deep groove ball bearing for a cutter is 0.011mm to 0.021mm. The play range of the present embodiment may provide better rigidity and accuracy because the contact between the rolling element or sliding element and the bearing housing is tighter. This helps to reduce friction and vibration and improves the accuracy and stability of the bearing. Smaller oil gaps may also provide higher axial stiffness, enabling the bearing to better withstand axial loads. Other compositions and connection modes are the same as any one of the first to fourth embodiments.
Specific embodiment six: the present embodiment is explained with reference to fig. 1 to 3, and one difference between the present embodiment and the specific embodiment is that the initial axial play of the deep groove ball bearing for a cutter is 0.096mm to 0.176mm. The play range of the present embodiment may provide better rigidity and accuracy because the contact between the rolling element or sliding element and the bearing housing is tighter. This helps to reduce friction and vibration and improves the accuracy and stability of the bearing. Smaller oil gaps may also provide higher axial stiffness, enabling the bearing to better withstand axial loads. Other compositions and connection modes are the same as those of any one of the first to fifth embodiments.
Seventh embodiment: the present embodiment is described with reference to fig. 1 to 3, and one difference between the present embodiment and the specific embodiment is that the width dimension of the outer ring 1 is 24mm and the dimension of the inner ring 2 is 25mm. The width of the inner ring of the bearing is wider than the width of the outer ring of the bearing, the shaft is more convenient to guide and install when the inner hole of the bearing is installed in the design and installation process, the wider dimension of the inner ring relative to the outer ring provides a supplementary position for installing a fastener or a sealing element, larger support is provided for the shaft, larger radial load, thrust load and combined mixed load can be borne, and the service life of the bearing of the stone cutting machine is prolonged. Other compositions and connection modes are the same as those of any one to six of the embodiments.
Eighth embodiment: the present embodiment is described with reference to fig. 1 to 2, and one difference between the present embodiment and the specific embodiment is that the number of screw holes 6 provided in the outer ring flange 7 is 10. The bearing rotating mode of the outer ring rotation is realized by connecting the threaded hole with a cutting shaft of the stone cutting machine. Other compositions and connection modes are the same as those of any one of the first to seventh embodiments.
Detailed description nine: the present embodiment is explained with reference to fig. 1 to 2, and is different from the specific embodiment in that the screw holes 6 include first screw holes 61 and second screw holes 62, the first screw holes 61 are uniformly provided with 8 at intervals of 45 degrees in the circumferential direction of the outer ring flange, the second screw holes 62 are provided with 2 at intervals of 180 degrees in the circumferential direction of the outer ring flange, and the second screw holes 62 are equidistant from the adjacent two first screw holes 61. Other compositions and connection modes are the same as those of any one of the first to eighth embodiments.
Detailed description ten: the present embodiment is described with reference to fig. 1 to 3, and one difference between the present embodiment and the specific embodiment is that a molybdenum disulfide high-temperature grease layer is applied to a slit of a deep groove ball bearing for a cutting machine. The molybdenum disulfide high-temperature lubricating grease has the advantages of strong bearing capacity, low oxidation, long-acting lubrication, good water flushing resistance, good corrosion resistance, fretting corrosion prevention, bearing precision requirement, bearing precision and working stability guarantee, high-speed high-load high-precision working environment can be met, and the service life of the bearing is longer. Other compositions and connection manners are the same as any one of the first to ninth embodiments.
The principle of the utility model is explained in connection with fig. 1 to 3:
The deep groove ball bearing for the cutting machine is installed, the width of the inner ring of the bearing is wider than the width of the outer ring of the bearing on the left side and the right side, in the installation process, the guide function is provided for facilitating installation of the shaft in the inner hole of the bearing, the size of the inner ring which is wider than the outer ring is used for providing a supplement position for installation of a fastener or a sealing piece, the outer ring flange is provided with a threaded hole, the threaded hole is used for being connected with a cutting shaft of the external cutting machine, the outer ring is used for working in a rotating mode, and the service life of the deep groove ball bearing for the cutting machine is longer.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The utility model provides a deep groove ball bearing for cutting machine, its characterized in that includes outer lane (1), inner circle (2), steel ball (3), holder (4), sealing washer (5), screw hole (6) and outer lane flange (7), be provided with outer lane flange (7) on the outer wall of outer lane (1), outer lane (1) and outer lane flange (7) make integrative, outer lane flange (7) are provided with screw hole (6), and screw hole (6) are used for being connected with the cutting shaft of external cutting machine, and the outside of inner circle (2) is gone up in outer lane (1) suit, all are provided with the raceway on the inner wall of inner lane (1) and the outer wall of inner circle (2), and steel ball (3) are installed between outer lane (1) and inner circle (2) through the raceway, and outer wall cover of steel ball (3) is equipped with holder (4), and the both sides of holder (4) all are provided with sealing washer (5), and the range of the width dimension of outer lane (1) and the width dimension's of inner circle (2) is 0.95 to 0.97.
2. The deep groove ball bearing for the cutting machine according to claim 1, wherein an outer ring tooth opening (11) is arranged on the inner wall of the end part of the outer ring (1), and an inner ring tooth opening (21) is arranged on the outer wall of the end part of the inner ring (2).
3. The deep groove ball bearing for the cutting machine according to claim 2, wherein the sealing ring (5) is fixedly and hermetically connected with the outer ring (1) through the outer ring tooth opening (11), and the sealing ring (5) is in contact sealing with the inner ring (2) through the inner ring tooth opening (21).
4. Deep groove ball bearing for cutting machine according to claim 1, characterized in that the cage (4) is fixedly sleeved on the outer wall of the steel ball (3) by means of rivets (41).
5. The deep groove ball bearing for a cutter according to claim 1, wherein an initial radial play of the deep groove ball bearing for a cutter is 0.011mm to 0.021mm.
6. The deep groove ball bearing for a cutter according to claim 1, wherein the initial axial play of the deep groove ball bearing for a cutter is 0.096mm to 0.176mm.
7. A deep groove ball bearing for a cutting machine according to claim 1, characterized in that the outer ring (1) has a width dimension of 24mm and the inner ring (2) has a dimension of 25mm.
8. A deep groove ball bearing for a cutting machine according to claim 1, characterized in that the number of threaded holes (6) provided in the outer ring flange (7) is 10.
9. The deep groove ball bearing for a cutting machine according to claim 8, wherein the screw holes (6) comprise first screw holes (61) and second screw holes (62), the first screw holes (61) are uniformly arranged at intervals of 45 degrees along the circumferential direction of the outer ring flange, the second screw holes (62) are arranged at intervals of 180 degrees along the circumferential direction of the outer ring flange, and the second screw holes (62) are equidistant from two adjacent first screw holes (61).
10. The deep groove ball bearing for a cutting machine according to any one of claims 1 to 9, wherein a molybdenum disulfide high temperature grease layer is smeared in a slit of the deep groove ball bearing for a cutting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420103141.5U CN221347622U (en) | 2024-01-16 | 2024-01-16 | Deep groove ball bearing for cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420103141.5U CN221347622U (en) | 2024-01-16 | 2024-01-16 | Deep groove ball bearing for cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221347622U true CN221347622U (en) | 2024-07-16 |
Family
ID=91833363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420103141.5U Active CN221347622U (en) | 2024-01-16 | 2024-01-16 | Deep groove ball bearing for cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221347622U (en) |
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2024
- 2024-01-16 CN CN202420103141.5U patent/CN221347622U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |