CN204327765U - A kind of precise numerical control machine bearing with spherical outside surface - Google Patents

A kind of precise numerical control machine bearing with spherical outside surface Download PDF

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Publication number
CN204327765U
CN204327765U CN201420790607.XU CN201420790607U CN204327765U CN 204327765 U CN204327765 U CN 204327765U CN 201420790607 U CN201420790607 U CN 201420790607U CN 204327765 U CN204327765 U CN 204327765U
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China
Prior art keywords
inner ring
diameter part
minor diameter
ring
numerical control
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Expired - Fee Related
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CN201420790607.XU
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Chinese (zh)
Inventor
黄梦真
周吉生
侯毅红
姜春丽
王亮
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黄梦真
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Priority to CN201420790607.XU priority Critical patent/CN204327765U/en
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Publication of CN204327765U publication Critical patent/CN204327765U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of precise numerical control machine bearing with spherical outside surface, comprise outer ring, inner ring, ball and manage frame, inner ring comprises large-diameter portion and minor diameter part, the cylindrical of minor diameter part is outer conical surface, and multiple opening slot is set vertically, symmetrical, one end of the contiguous minor diameter part of described large-diameter portion is provided with outside thread; Described minor diameter part excircle is provided with locking nut, the inner circle of described locking nut is provided with the internal thread suitable with outside thread and the internal conical surface suitable with minor diameter part outer conical surface, described locking nut by screw-threaded coupling on inner ring, along with the locking of locking nut, the internal diameter of the minor diameter part of inner ring diminishes thereupon, thus is locked on axle by inner ring, because diminishing of minor diameter part is that equivalent diminishes, therefore, it is possible to ensure the concentricity of inner ring and axle, and axle surface can not be destroyed.Precise numerical control machine bearing with spherical outside surface good concentricity of the present utility model, lubricates, long service life.

Description

A kind of precise numerical control machine bearing with spherical outside surface
Technical field
The utility model relates to bearing mnanufacture technical field, is a kind of precise numerical control machine bearing with spherical outside surface specifically.
Background technique
Along with the fast development of China's industry, machinery increasing, also more industry is higher for the complexity of machinery, and corresponding is also more and more higher to the bearing requirements connecting each mechanism.Roller bearing units is a kind of modification of deep groove ball bearing, feature is its outer ring external diameter surface is sphere, the effect playing aligning in the corresponding concave spherical surface of bearing support can be allocated into, but the requirement of precise numerical control machine bearing with spherical outside surface to this is higher, and common roller bearing units is up to now due to the defect of design and installation question, concentricity is difficult to ensure.
Model utility content
The purpose of this utility model is to provide a kind of precise numerical control machine bearing with spherical outside surface, is difficult to the defect ensured with the roller bearing units concentricity overcoming prior art.
The purpose of this utility model realizes by the following technical solutions:
A kind of precise numerical control machine bearing with spherical outside surface, comprise outer ring, inner ring and the ball be between outer ring, inner ring and manage frame, described inner ring is fixedly connected with axle, described inner ring comprises large-diameter portion and minor diameter part, the cylindrical of described minor diameter part is outer conical surface, described minor diameter part also arranges multiple opening slot vertically, symmetrical, and one end of the contiguous minor diameter part of described large-diameter portion is provided with outside thread; Described minor diameter part excircle is provided with locking nut, the inner circle of described locking nut is provided with the internal thread suitable with outside thread and the internal conical surface suitable with minor diameter part outer conical surface, described locking nut by screw-threaded coupling on inner ring, along with the locking of locking nut, the internal diameter of the minor diameter part of inner ring diminishes thereupon, thus is locked on axle by inner ring, because diminishing of minor diameter part is that equivalent diminishes, therefore, it is possible to ensure the concentricity of inner ring and axle, and axle surface can not be destroyed.
As the improvement to technique scheme, described locking nut and inner ring are joined and are drilled with locking pin-and-hole, when described locking nut by screw-threaded coupling on inner ring time, described locking nut and inner ring are joined and are drilled with locking pin-and-hole, put on spring bolt, retaining locking effect can be played to locking nut, prevent loosening of locking nut, can ensure in use, precise numerical control machine bearing with spherical outside surface still can keep the concentricity of inner ring and axle.
As the improvement to technique scheme, between described inner ring, outer ring, be provided with seal ring, be positioned at the both sides of retainer and ball.
As the improvement to technique scheme, between described inner ring, outer ring, be provided with back-up ring, be positioned at the outside of seal ring, be stuck on the excircle of inner ring, with outer ring Spielpassung.
As the improvement to technique scheme, described outer ring is provided with stop pin.
As the improvement to technique scheme, described outer ring is arranged the oil groove around outer ring circumference, in oil groove, be provided with oilhole, communicate with the cavity between outer ring with inner ring, realize the lubrication to ball and retainer.
The utility model has the advantage of: precise numerical control machine bearing with spherical outside surface of the present utility model, inner ring is arranged on axle, described inner ring comprises large-diameter portion and minor diameter part, the cylindrical of described minor diameter part is outer conical surface, described minor diameter part also arranges multiple opening slot vertically, symmetrical, one end of the contiguous minor diameter part of described large-diameter portion is provided with outside thread; Described minor diameter part excircle is provided with locking nut, the inner circle of described locking nut is provided with the internal thread suitable with outside thread and the internal conical surface suitable with minor diameter part outer conical surface, described locking nut by screw-threaded coupling on inner ring, along with the locking of locking nut, the internal diameter of the minor diameter part of inner ring diminishes thereupon, thus is locked on axle by inner ring, because diminishing of minor diameter part is that equivalent diminishes, therefore, it is possible to ensure the concentricity of inner ring and axle, and axle surface can not be destroyed.When described locking nut by screw-threaded coupling on inner ring time, described locking nut and inner ring are joined and are drilled with locking pin-and-hole, put on spring bolt, retaining locking effect can be played to locking nut, prevent loosening of locking nut, can ensure in use, precise numerical control machine bearing with spherical outside surface still can keep the concentricity of inner ring and axle.Outer ring is provided with stop pin, outer ring rotation can be prevented, after oil hole is set, can be oily easily, seal ring and back-up ring are set outside inner ring, outer ring, the leakage of lubricant oil can be prevented, ensure the long-time lubrication of bearing, extend the working life of bearing.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of precise numerical control machine bearing with spherical outside surface of the present utility model.
Reference character: 1, outer ring; 2, inner ring; 3, ball; 4, frame is managed; 5, minor diameter part; 6, opening slot; 7, locking nut; 8, pin-and-hole is locked; 9, back-up ring; 10, seal ring; 11, oil groove; 12, oilhole; 13, stop pin.
Embodiment
For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below, but the utility model is not limited to this.
Embodiment one:
As shown in Figure 1, precise numerical control machine bearing with spherical outside surface of the present utility model, a kind of precise numerical control machine bearing with spherical outside surface, comprise outer ring 1, inner ring 2 and the ball 3 be between outer ring 1, inner ring 2 and manage frame 4, described inner ring 2 is fixedly connected with axle, and described inner ring 2 comprises large-diameter portion and minor diameter part 5, the cylindrical of described minor diameter part 5 is outer conical surface, described minor diameter part 5 also arranges multiple opening slot 6 vertically, symmetrical, and one end of the contiguous minor diameter part 5 of described large-diameter portion is provided with outside thread; Described minor diameter part 5 excircle is provided with locking nut 7, the inner circle of described locking nut 7 is provided with the internal thread suitable with outside thread and the internal conical surface suitable with minor diameter part 5 outer conical surface, described locking nut 7 by screw-threaded coupling on inner ring 2, along with the locking of locking nut 7, the internal diameter of the minor diameter part 5 of inner ring 2 diminishes thereupon, thus inner ring 2 is locked on axle, because diminishing of minor diameter part 5 is that equivalent diminishes, therefore, it is possible to ensure the concentricity of inner ring 2 and axle, and axle surface can not be destroyed.
Described locking nut 7 and inner ring 2 join be drilled with locking pin-and-hole 8, when described locking nut 7 by screw-threaded coupling on inner ring 2 time, described locking nut 7 and inner ring 2 join be drilled with locking pin-and-hole 8, put on spring bolt, retaining locking effect can be played to locking nut 7, prevent loosening of locking nut 7, can ensure in use, precise numerical control machine bearing with spherical outside surface still can keep the concentricity of inner ring 2 and axle.
Be provided with seal ring 10 between described inner ring 2, outer ring 1, be positioned at the both sides of retainer 4 and ball 3, so design, the leakage of lubricant oil can be prevented, ensure bearing lubrication.
Be provided with back-up ring 9 between described inner ring 2, outer ring 1, be positioned at the outside of seal ring 10, be stuck on the excircle of inner ring 2, with outer ring 1 Spielpassung, so design, can prevent dust from entering, ensure the clean of inner chamber, ensure the lubrication of bearing.
Described outer ring 1 is provided with stop pin 13, so designs, to prevent relatively rotating of outer ring 1, prevent outer ring 1 from wearing and tearing.
Described outer ring 1 is arranged the oil groove 11 around outer ring circumference, be provided with oilhole 12 in oil groove 11, communicate with the cavity between outer ring 1 with inner ring 2, so design, the long-term lubrication to ball 3 and retainer 4 can be realized, extend the working life of bearing.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (6)

1. a precise numerical control machine bearing with spherical outside surface, comprise outer ring, inner ring and the ball be between outer ring, inner ring and manage frame, described inner ring is fixedly connected with axle, it is characterized in that: described inner ring comprises large-diameter portion and minor diameter part, the cylindrical of described minor diameter part is outer conical surface, described minor diameter part also arranges multiple opening slot vertically, symmetrical, and one end of the contiguous minor diameter part of described large-diameter portion is provided with outside thread; Described minor diameter part excircle is provided with locking nut, and the inner circle of described locking nut is provided with the internal thread suitable with outside thread and the internal conical surface suitable with minor diameter part outer conical surface, described locking nut by screw-threaded coupling on inner ring.
2. precise numerical control machine bearing with spherical outside surface according to claim 1, is characterized in that: described locking nut and inner ring are joined and be drilled with locking pin-and-hole.
3. precise numerical control machine bearing with spherical outside surface according to claim 1 and 2, is characterized in that: be provided with seal ring between described inner ring, outer ring, is positioned at the both sides of retainer and ball.
4. precise numerical control machine bearing with spherical outside surface according to claim 3, is characterized in that: be provided with back-up ring between described inner ring, outer ring, is positioned at the outside of seal ring, be stuck on the excircle of inner ring, with outer ring Spielpassung.
5. precise numerical control machine bearing with spherical outside surface according to claim 4, is characterized in that: described outer ring is provided with stop pin.
6. precise numerical control machine bearing with spherical outside surface according to claim 5, is characterized in that: described outer ring is arranged the oil groove around outer ring circumference, be provided with oilhole in oil groove, communicate with the cavity between outer ring with inner ring.
CN201420790607.XU 2014-12-06 2014-12-06 A kind of precise numerical control machine bearing with spherical outside surface Expired - Fee Related CN204327765U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420790607.XU CN204327765U (en) 2014-12-06 2014-12-06 A kind of precise numerical control machine bearing with spherical outside surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420790607.XU CN204327765U (en) 2014-12-06 2014-12-06 A kind of precise numerical control machine bearing with spherical outside surface

Publications (1)

Publication Number Publication Date
CN204327765U true CN204327765U (en) 2015-05-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420790607.XU Expired - Fee Related CN204327765U (en) 2014-12-06 2014-12-06 A kind of precise numerical control machine bearing with spherical outside surface

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107202066A (en) * 2017-07-21 2017-09-26 如皋市非标轴承有限公司 It is a kind of to facilitate oil injecting lubricating and easy disassembly formula bearing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107202066A (en) * 2017-07-21 2017-09-26 如皋市非标轴承有限公司 It is a kind of to facilitate oil injecting lubricating and easy disassembly formula bearing

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150513

Termination date: 20151206

EXPY Termination of patent right or utility model