CN106402160A - Spacer used for linear guide rail and linear guide rail - Google Patents
Spacer used for linear guide rail and linear guide rail Download PDFInfo
- Publication number
- CN106402160A CN106402160A CN201611024143.1A CN201611024143A CN106402160A CN 106402160 A CN106402160 A CN 106402160A CN 201611024143 A CN201611024143 A CN 201611024143A CN 106402160 A CN106402160 A CN 106402160A
- Authority
- CN
- China
- Prior art keywords
- line slideway
- cage ring
- guide rail
- linear guide
- ball
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/37—Loose spacing bodies
- F16C33/3706—Loose spacing bodies with concave surfaces conforming to the shape of the rolling elements, e.g. the spacing bodies are in sliding contact with the rolling elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/664—Retaining the liquid in or near the bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
- F16C2208/04—Glass fibres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/30—Fluoropolymers
- F16C2208/32—Polytetrafluorethylene [PTFE]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/20—Application independent of particular apparatuses related to type of movement
- F16C2300/28—Reciprocating movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General build up of machine tools, e.g. spindles, slides, actuators
Abstract
The invention discloses a spacer used for a linear guide rail and the linear guide rail. In the scheme, the peripheral wall of the spacer is an outer spherical surface, two side faces of the spacer are inner spherical surfaces symmetrically arranged, a through hole is formed in the center, and the two ends of the through hole intersect with the inner spherical surfaces on the two sides correspondingly. Compared with the prior art, in the scheme, refinement and high speed realization are conducted on a linear guide rail in the prior art, the accuracy life is prolonged by 30% or above compared with a belt retainer type, the noise decibel value is decreased by 50% or above compared with a full sphere type, and the problems of noise and service life in the existing linear guide rail technology are solved.
Description
Technical field
The present invention relates to a kind of precision equipment is and in particular to line slideway technology.
Background technology
In the prior art, the rolling circulating steel ball of line slideway has two kinds of forms, and one is full pearl type, and that is, ball is direct with ball
Contact；Two is to have band retainer type, and that is, plastics chain type is with holes separates ball.
Full pearl type there is problems that：Because adjacent ball contact surface linear velocity is in opposite direction, the fortune of its line slideway
Scanning frequency degree is bigger, and the relative velocity of contact point is also bigger so that contact point frictional force increases, and sport efficiency reduces, vibrating noise
Increase so that being restricted to the high speed of Digit Control Machine Tool.Furthermore ball is in circulation commutation, due to the speed of in front and back's ball movement
Differ, the adjacent ball with the presence of interval, impact damage occurs so that being restricted to the precise treatment of Digit Control Machine Tool.
Band retainer type there is problems that：Due to retainer for plastics chain type type with holes although overcoming full ball-type ball
The problem producing with ball directly contact, but keeper often circulates one week in ball and needs to bend into after twice, the fortune of its line slideway
Scanning frequency degree is bigger, and the frequency of pulsation bending is also higher, because existing engineering plastics pulsation alternate stress is limited, causes early stage disconnected
Split so that being restricted to the stability in use of Digit Control Machine Tool.
It is suitable for Modern High-Speed degree, high accuracy line slideway is badly in need of solving in prior art：The no full ball-type of retainer, in fortune
Ball and ball phase mutual friction, collision during row, the precision that causes is destroyed, noise increases and the problems such as efficiency losses；And chain type keeps
Frame type, that is, be arranged on strip chain type keeper, in existing engineering plastics material, because flexible fatigue causes early damage
Two large problems.
Content of the invention
For the problems of existing line slideway, need a kind of speed of service fast, the line slideway of long service life
Technology.
For this reason, the technical problem to be solved is to provide a kind of cage ring for line slideway and straight line to lead
Rail, to improve line slideway speed and service life.
For solving above-mentioned technical problem, a kind of cage ring for line slideway that the present invention provides, outside this cage ring
Side face is a spherical outside surface, and two sides are symmetrically arranged Internal Spherical Surface, and center offers a through hole, the two ends of this through hole respectively with
The Internal Spherical Surface of both sides intersects.
Preferably, described cage ring adopts modified Teflon to support.
Preferably, described modified Teflon is made up of 15% glass fibre, 10% carbon fiber filling PTFE.
For solving above-mentioned technical problem, a kind of line slideway that the present invention provides, it is provided with isolation in described line slideway
Circle, described cage ring is in line slideway between steel ball.
Preferably, the outer ball diameter of described cage ring makes cage ring motion track when through curvilinear motion prolong in curvature
Move, its external diameter does not brush up against the phase inverter in line slideway.
The line slideway cage ring being constituted based on such scheme and corresponding line slideway compared with prior art, will
Line slideway of the prior art carries out precise treatment and high speed, makes accuracy life keep type to extend more than 30% than band, makes an uproar
Sound decibel value reduces by more than 50% than full ball-type, to solve the problems, such as noise and life-span in existing line slideway technology.
Brief description
To further illustrate the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the sectional view of cage ring in present example；
Fig. 2 is the side view of cage ring in present example；
Fig. 3 a is the location drawing in present example using cage ring in the line slideway of flange type sliding block；
Fig. 3 b is the location drawing in present example using cage ring in the line slideway of square slide block；
Fig. 4 is the pathway figure of the cage ring of present example cathetus guide rail.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention realizes are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to Fig. 1 and Fig. 2, it show the structural representation of the line slideway provide in this example cage ring 05.
As seen from the figure, this cage ring 05 generally has certain thickness disc structure, and its cross section is circle.Cage ring
05 periphery is an external ball surface, and its spherical surface body is incomplete (i.e. the outer peripheral face of cage ring 05 be a sphere), shape with
Size setting guarantees the full-size that can pass through in circulation.
Symmetrically respectively there is an Internal Spherical Surface body both sides of cage ring 05, its Internal Spherical Surface (R) radius with line slideway in steel
The radius of ball 04 matches, and can select the less optimal value of frictional force by the size bearing thrust.
There is a through hole (d) at the center of cage ring 05, and this through hole (d) is oil storage hole, to guarantee the effect that oil storage is drained the oil, hole
Footpath can be according to the size of lubricating oil viscosity, from respective aperture.
The cage ring 05 thus constituting, the external ball surface (Φ) of its periphery is intersected with two of both sides symmetrical Internal Spherical Surface (R),
The two ends of intermediate throughholes (d) are intersected with two Internal Spherical Surface (R).
When implementing, this cage ring 05 to be made using modified Teflon, this modified Teflon by
15% (mass ratio) glass fibre, 10% (mass ratio) carbon fiber filling basic material PTFE (politef) are made.According to
The cage ring 05 constituting can be good at adapting to the applied environment of line slideway, can adjust by stress size and speed, to improve
The speed of service of line slideway and service life.
Can be with the steel ball 04 in line slideway and slide block ditch according to the cage ring 05 with oil storage hole that such scheme is constituted
02 matches, and so that spacer block and ball is come off when avoiding excessive friction, running, and then solves in prior art：
(1) no the full ball-type of retainer operationally ball and ball mutually collide, directly contact when produce that precision is destroyed, noise increases
Plus and the problems such as efficiency losses；
(2) chain type retainer type, that is, be arranged on strip chain type keeper, in existing engineering plastics material, because scratching
The problems such as fatigue causes early damage.
Referring to Fig. 3 a and Fig. 3 b, it illustrates application state in line slideway for the cage ring 05 of this example offer.
As seen from the figure, this cage ring 05, when being applied in line slideway, is particularly located in line slideway between steel ball 04,
The Internal Spherical Surface of its both sides is matched with the steel ball 04 of both sides respectively.
Furthermore, the slide block 08 in line slideway, its profile, according to different from external equipment connected mode have flange-type (under
Fig. 3 a) and square (figure below 3b).Its same specification spacer ring (figure below 05) can be universally used in flange-type or the square of dimension.
In the line slideway so constituting, cage ring 05 will enter between slide block ditch 02 and guide rail ditch 01 with steel ball 04,
Through one end phase inverter 06, reenter slider bore 03, finally enter the phase inverter 06 of other end.
If the moving direction of slide block is consistent, form circulation again；If the moving direction of slide block is contrary, transport on the contrary
Dynamic.
Referring to Fig. 4, it illustrates operating path in line slideway for the cage ring 05.
As seen from the figure, cage ring 05 will be moved along a straight line (prolonging its length) with steel ball 04 -- and curvilinear motion (is prolonged anti-
Phase device 03 curvature) -- linear motion -- curvilinear motion, form waist type Circular test.
Wherein, cage ring 05 with steel ball 04 moved along a straight line (prolonging its length) when, due to ball and phase inverter 06 and
Ball is different from slide block ditch 02, guide rail ditch 01 frictional force, gap 07 in junction, prevent the excessive cage ring in gap from coming off and
The too little moving resistance in gap increases.
When cage ring 05 carries out curvilinear motion (prolonging phase inverter 03 curvature) with steel ball 04, the outer ball diameter of cage ring, in warp
Cross motion track during curvilinear motion and prolong shifting in curvature, its external diameter does not brush up against phase inverter 06.
From the foregoing, it will be observed that the present invention provide line slideway cage ring scheme, enable line slideway reach precise treatment with
High speed, that is, the life-span of cage ring than chain type retainer life-span closer to line slideway the system accuracy life-span；Avoid ball
With direct friction and the collision of ball, decrease noise and vibration, more suitable for the line slideway of high-speed cruising.Make accuracy life ratio
Band keeps type to extend more than 30%, and noise decibel value reduces by more than 50% than full ball-type, to solve in existing line slideway
The problem in noise and life-span in technology.
Ultimate principle, principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (5)
1. a kind of cage ring for line slideway is it is characterised in that the outer peripheral face of described cage ring is a spherical outside surface, both sides
Face is symmetrically arranged Internal Spherical Surface, and center offers a through hole, and the two ends of this through hole are intersected with the Internal Spherical Surface of both sides respectively.
2. a kind of cage ring for line slideway according to claim 1 is it is characterised in that described cage ring is using changing
Property politef support.
3. a kind of cage ring for line slideway according to claim 2 it is characterised in that described modification polytetrafluoroethyl-ne
Alkene is made up of 15% glass fibre, 10% carbon fiber filling PTFE.
4. a kind of line slideway it is characterised in that be provided with described line slideway any one of claim 1-3 every
From circle, described cage ring is in line slideway between steel ball.
5. a kind of line slideway according to claim 4 is it is characterised in that the outer ball diameter of described cage ring makes cage ring
When through curvilinear motion, motion track prolongs in curvature and moves, and its external diameter does not brush up against the phase inverter in line slideway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024143.1A CN106402160A (en) | 2016-11-17 | 2016-11-17 | Spacer used for linear guide rail and linear guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024143.1A CN106402160A (en) | 2016-11-17 | 2016-11-17 | Spacer used for linear guide rail and linear guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106402160A true CN106402160A (en) | 2017-02-15 |
Family
ID=58069099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611024143.1A Pending CN106402160A (en) | 2016-11-17 | 2016-11-17 | Spacer used for linear guide rail and linear guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402160A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4896974A (en) * | 1987-12-23 | 1990-01-30 | Nippon Thompson Co., Ltd. | Spherical spacer of a crossed roller bearing assembly |
| JP2000120825A (en) * | 1998-06-02 | 2000-04-28 | Nsk Ltd | Ball screw mechanism and linear motion device |
| US20020025087A1 (en) * | 2000-07-05 | 2002-02-28 | Nsk Ltd. | Linear guide device |
| JP2003239983A (en) * | 2002-02-20 | 2003-08-27 | Nsk Ltd | Linear motion device |
| CN206246532U (en) * | 2016-11-17 | 2017-06-13 | 上海莱必泰数控机床股份有限公司 | A kind of cage ring and line slideway for line slideway |
-
2016
- 2016-11-17 CN CN201611024143.1A patent/CN106402160A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4896974A (en) * | 1987-12-23 | 1990-01-30 | Nippon Thompson Co., Ltd. | Spherical spacer of a crossed roller bearing assembly |
| JP2000120825A (en) * | 1998-06-02 | 2000-04-28 | Nsk Ltd | Ball screw mechanism and linear motion device |
| US6347558B1 (en) * | 1998-06-02 | 2002-02-19 | Nsk Ltd. | Ball screw device and linear motion device |
| US20020025087A1 (en) * | 2000-07-05 | 2002-02-28 | Nsk Ltd. | Linear guide device |
| JP2003239983A (en) * | 2002-02-20 | 2003-08-27 | Nsk Ltd | Linear motion device |
| CN206246532U (en) * | 2016-11-17 | 2017-06-13 | 上海莱必泰数控机床股份有限公司 | A kind of cage ring and line slideway for line slideway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |