CN204267520U - Numerical control machine tool roller bearing units - Google Patents
Numerical control machine tool roller bearing units Download PDFInfo
- Publication number
- CN204267520U CN204267520U CN201420684797.7U CN201420684797U CN204267520U CN 204267520 U CN204267520 U CN 204267520U CN 201420684797 U CN201420684797 U CN 201420684797U CN 204267520 U CN204267520 U CN 204267520U
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- China
- Prior art keywords
- ring
- outer ring
- inner ring
- mounting hole
- groove
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of numerical control machine tool roller bearing units, comprises outer ring, inner ring, ball, retainer and sealing configuration; Outer ring arranges oil groove and oilhole; The lubrication groove that symmetrical cross intersects vertically offered by the chute of inner ring, is inside inlaid with lubrication assembly; Sealing configuration comprises seal ring and back-up ring; Seal ring comprises steel sheet skeleton, and there is crimping upper end, and outer ring is provided with interior annular seal groove, in crimping embedding sealing groove; The other end of steel sheet skeleton is provided with mounting hole, inside has spheroid, is rotatably arranged in mounting hole, by mounting hole clasped and some from mounting hole opening outstanding and with inner ring point cantact; Steel sheet skeleton is coated with nitrile butadiene rubber; The arranged outside of back-up ring has electrostatic precipitation net and electrostatic brush, and electrostatic brush is connected with outer ring.Bearing of the present utility model can prevent dust from entering the leakage with lubricant oil, ensures the long-time lubrication of bearing, extends the working life of bearing.
Description
Technical field
The utility model relates to lathe bearing mnanufacture technical field, relates to a kind of numerical control machine tool roller bearing units specifically.
Background technique
Bearing, a kind of for determining running shaft and other part relative movement positions, play the component of supporting leading role, it is in mechanical transmission course, play parts that are fixing and reduction load friction factor, be alternatively, when other parts produce relative movement each other on axle, be used for reducing the fixing parts of friction factor in power transmission process and retainer shaft central position.
In order to extend the working life of bearing, bearing requirements lubricates preferably, needs good dustproof and waterproof effect, and general bearing can install dust cover at the two ends of bearing, can prevent dust and other impurities from entering Bearing inner, prevent bearing rust.
Along with the fast development of China's industry, machine tool increasing, also more industry is higher for the complexity of machine tool, and corresponding is also more and more higher to the bearing requirements connecting each mechanism.The matching used bearing of precise numerical control machine equipment, often may need to run under higher temperature or more high-revolving environment, in this running environment, also just require that bearing has better lubrication, better dust-proof effect, but bearing lubrication common at present, dust-proof effect do not reach requirement, common lubricant and dust-proofly often easily to lose efficacy, bearing easily produces fatigue damage, thus affect the working life of bearing, therefore require that bearing has better lubrication and dust-proof effect.
Model utility content
The purpose of this utility model is to provide a kind of numerical control machine tool roller bearing units, poor with the bearing lubrication and dust-proof effect that overcome prior art, the defect of lubrication and dust-proof inefficacy when running under the environment of higher temperature or more speed, the easy fatigue damage of bearing, shortening in working life.
To achieve these goals, the utility model is achieved by the following technical solutions:
A kind of numerical control machine tool roller bearing units, comprise ball, retainer and the sealing configuration between outer ring, inner ring and inner ring, outer ring, described inner ring is fixedly connected with axle;
Described inner ring and outer ring are provided with the chute that ball rolls, and described outer ring arranges oil groove around outer ring circumference and oilhole, and described oilhole upper end communicates with oil groove, and lower end communicates with the cavity between outer ring, inner ring; The lubrication groove that symmetrical cross intersects vertically offered by the chute of described inner ring at upper and lower two ends and two ends, left and right, be inlaid with lubrication assembly in described lubrication groove, described lubrication assembly and ball contact place are provided with the oil clearance of chase type; Described lubrication assembly is made up of the metallic fibrous layer of the teflon grease layer near ball surface, middle glass fibre layer and internal layer;
Described sealing configuration, comprises seal ring and back-up ring, is positioned at the both sides of retainer and ball;
Described seal ring, comprises steel sheet skeleton, and the upper end of described steel sheet skeleton is provided with crimping, and described outer ring is provided with interior annular seal groove, in described crimping embedding sealing groove; The other end of described steel sheet skeleton is provided with mounting hole, and described mounting hole is provided with spheroid, described spheroid is rotatably arranged in mounting hole, by mounting hole clasped and some from mounting hole opening give prominence to and with inner ring point cantact; Described steel sheet skeleton is coated with nitrile butadiene rubber;
Described back-up ring, is positioned at the outside of seal ring, is stuck on the excircle of inner ring, and with outer ring Spielpassung, the arranged outside of described back-up ring has electrostatic precipitation net and electrostatic brush, and described electrostatic brush is connected with outer ring.Design like this, can, by the dust of Electrostatic Absorption bearing periphery, prevent dust from entering, ensure the clean of inner chamber, ensure the lubrication of bearing.
As the improvement to technique scheme, described outer ring is provided with stop pin.Design like this, can prevent relatively rotating of outer ring, prevents outer ring from wearing and tearing.
As the improvement to technique scheme, the circumference of described inner ring one end is provided with jackscrew, and described inner ring is fixed on axle by jackscrew.
Compared with prior art, the utility model has the advantage of:
Numerical control machine tool roller bearing units of the present utility model, inner ring is fixedly mounted on axle by jackscrew, and outer ring is provided with stop pin, can prevent outer ring rotation; After oil hole is set, can be oily easily, make lubricant oil enter go; Inner ring chute and ball contact place are provided with selenodont oil clearance, increase oil clearance space, add the storage space of lubricant oil, lubricant oil is deposited live, stuck between Internal and external cycle after preventing ball heat from rising; Outside inner ring, outer ring, sealing configuration is set, the leakage of lubricant oil can be prevented, ensure the long-time lubrication of bearing, extend the working life of bearing; Sealing configuration is provided with electrostatic precipitation net and electrostatic brush, can, by the dust of Electrostatic Absorption bearing periphery, prevent dust from entering, ensure the clean of inner chamber, ensure the lubrication of bearing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlargement structural representation of Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram of lubrication assembly.
Reference character: 1-outer ring; 2-inner ring; 3-ball; 4-retainer; 5-oil groove; 6-oilhole; 7-oil clearance; 8-seal ring; 9-back-up ring; 10-stop pin; 11-jackscrew; 12-lubrication assembly; 13-teflon grease layer; 14-glass fibre layer; 15-metallic fibrous layer; 21-steel sheet skeleton; 22-spheroid; 23-nitrile butadiene rubber; 24-electrostatic precipitation net; 25-electrostatic brush.
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 1,2 and 3, ball 3, retainer 4 and sealing configuration between outer ring 1 of the present utility model, inner ring 2 and inner ring 2, outer ring 1, described inner ring 2 is fixedly connected with axle;
Described inner ring 2 and outer ring 1 are provided with the chute that ball 3 rolls, and described outer ring 1 arranges oil groove 5 around outer ring circumference and oilhole 6, and described oilhole 6 upper end communicates with oil groove 5, and lower end communicates with the cavity between outer ring 1, inner ring 2; The lubrication groove that symmetrical cross intersects vertically offered by the chute of described inner ring at upper and lower two ends and two ends, left and right, be inlaid with lubrication assembly 12 in described lubrication groove, described lubrication assembly and ball contact place are provided with the oil clearance 7 of chase type; Described lubrication assembly 12 is made up of the metallic fibrous layer 15 of the teflon grease layer 13 near ball surface, middle glass fibre layer 14 and internal layer;
Described sealing configuration, comprises seal ring 8 and back-up ring 9, is positioned at the both sides of retainer 4 and ball 3;
Described seal ring 8, comprises steel sheet skeleton 21, and the upper end of described steel sheet skeleton 21 is provided with crimping, and described outer ring 1 is provided with interior annular seal groove, in described crimping embedding sealing groove; The other end of described steel sheet skeleton 21 is provided with mounting hole, and described mounting hole is provided with spheroid 22, described spheroid 22 is rotatably arranged in mounting hole, by mounting hole clasped and some from mounting hole opening give prominence to and with inner ring 2 point cantact; Nitrile butadiene rubber 23 is coated with inside described steel sheet skeleton 21;
Described back-up ring 9, is positioned at the outside of seal ring 8, is stuck on the excircle of inner ring 2, and with outer ring 1 Spielpassung, the arranged outside of described back-up ring 9 has electrostatic precipitation net 24 and electrostatic brush 25, and described electrostatic brush 25 is connected with outer ring 1.Design like this, can, by the dust of Electrostatic Absorption bearing periphery, prevent dust from entering, ensure the clean of inner chamber, ensure the lubrication of bearing.
Described outer ring 1 is provided with stop pin 10.Design like this, can prevent relatively rotating of outer ring 1, prevents outer ring 1 from wearing and tearing.
The circumference of described inner ring 2 one end is provided with jackscrew 11, and described inner ring 2 is fixed on axle by jackscrew 11.
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 (3)
1. a numerical control machine tool roller bearing units, comprise ball, retainer and the sealing configuration between outer ring, inner ring and inner ring, outer ring, described inner ring is fixedly connected with axle; It is characterized in that:
Described inner ring and outer ring are provided with the chute that ball rolls, and described outer ring arranges oil groove around outer ring circumference and oilhole, and described oilhole upper end communicates with oil groove, and lower end communicates with the cavity between outer ring, inner ring; The lubrication groove that symmetrical cross intersects vertically offered by the chute of described inner ring at upper and lower two ends and two ends, left and right, be inlaid with lubrication assembly in described lubrication groove, described lubrication assembly and ball contact place are provided with the oil clearance of chase type; Described lubrication assembly is made up of the metallic fibrous layer of the teflon grease layer near ball surface, middle glass fibre layer and internal layer;
Described sealing configuration, comprises seal ring and back-up ring, is positioned at the both sides of retainer and ball;
Described seal ring, comprises steel sheet skeleton, and the upper end of described steel sheet skeleton is provided with crimping, and described outer ring is provided with interior annular seal groove, in described crimping embedding sealing groove; The other end of described steel sheet skeleton is provided with mounting hole, and described mounting hole is provided with spheroid, and described spheroid is rotatably arranged in mounting hole, by mounting hole clasped and some from mounting hole opening outstanding and with inner ring point cantact; Nitrile butadiene rubber is coated with inside described steel sheet skeleton;
Described back-up ring, is positioned at the outside of seal ring, is stuck on the excircle of inner ring, and with outer ring Spielpassung, the arranged outside of described back-up ring has electrostatic precipitation net and electrostatic brush, and described electrostatic brush is connected with outer ring.
2. numerical control machine tool roller bearing units according to claim 1, is characterized in that: described outer ring is provided with stop pin.
3. numerical control machine tool roller bearing units according to claim 2, is characterized in that: the circumference of described inner ring one end is provided with jackscrew, and described inner ring is fixed on axle by jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684797.7U CN204267520U (en) | 2014-11-14 | 2014-11-14 | Numerical control machine tool roller bearing units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684797.7U CN204267520U (en) | 2014-11-14 | 2014-11-14 | Numerical control machine tool roller bearing units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267520U true CN204267520U (en) | 2015-04-15 |
Family
ID=52802391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420684797.7U Expired - Fee Related CN204267520U (en) | 2014-11-14 | 2014-11-14 | Numerical control machine tool roller bearing units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267520U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757120A (en) * | 2016-05-18 | 2016-07-13 | 黄国锦 | Stable-running track guide device |
| CN105782241A (en) * | 2016-05-18 | 2016-07-20 | 黄国锦 | Guiding device for guiding by utilizing track |
| CN105822667A (en) * | 2016-05-18 | 2016-08-03 | 黄国锦 | Rail guide device capable of automatically sealing |
-
2014
- 2014-11-14 CN CN201420684797.7U patent/CN204267520U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757120A (en) * | 2016-05-18 | 2016-07-13 | 黄国锦 | Stable-running track guide device |
| CN105782241A (en) * | 2016-05-18 | 2016-07-20 | 黄国锦 | Guiding device for guiding by utilizing track |
| CN105822667A (en) * | 2016-05-18 | 2016-08-03 | 黄国锦 | Rail guide device capable of automatically sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150415 Termination date: 20151114 |
|
| EXPY | Termination of patent right or utility model |