CN101025194A - Rolling guide-rail pairs - Google Patents
Rolling guide-rail pairs Download PDFInfo
- Publication number
- CN101025194A CN101025194A CN 200710073308 CN200710073308A CN101025194A CN 101025194 A CN101025194 A CN 101025194A CN 200710073308 CN200710073308 CN 200710073308 CN 200710073308 A CN200710073308 A CN 200710073308A CN 101025194 A CN101025194 A CN 101025194A
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- Prior art keywords
- rail
- slide block
- rolling
- guide
- ball
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Abstract
The invention discloses a rolling guide rail auxiliary, comprising guide rails and slide block, where the guide rail comprises guide rail main body and rail inserted in the guide rail main body; the slide block comprises slide block main body, two end covers, and four columns of ball bearing rolling groove inserted in the slide block main body, and the ball tracks of the rail and the rolling groove are circular-arc grooves, which increase contact area between ball track and ball and reduce contact stress between them, extremely raising bearing ability and service life of the rolling guide rail auxiliary. As compared with the cylindrical steel bar track, the invention has features of small size, lightweight, low material consumption, able to mould by cold drawing, simple manufacturing process, and low production cost.
Description
[technical field]
The present invention relates to the precision machinery technology field, relate in particular to a kind of rolling guide-rail pairs of on the base material of guide rail and slide block, inlaying the hard raceway.
[background technique]
Put into some balls between guiding element and the movement parts and make the not direct guiding pairs of contact of two slideway matching holding, be called rolling guide-rail pairs.The characteristics of rolling guide-rail pairs are that surface friction drag is little, the motion light and flexible; It is little to wear and tear, and can keep precision for a long time; Dynamic and static friction factor difference is little, is not prone to " creeping " phenomenon during low speed, so the motion uniform and stable.Therefore, rolling guide-rail pairs require trace to move and pinpoint equipment on, obtain increasingly extensive utilization.
Publication number is that the Chinese invention patent ublic specification of application " linear rail " of CN 1369651A has disclosed a kind of new technological scheme: guide rail comprises rail body and embeds the cylindrical guide track of rail body, in the groove of slider body both sides doorframe bearing main body is housed, be provided with 4 row steel balls in the bearing main body altogether, matching with cylindrical guide track by steel ball is fixed on slide block on the guide rail slidably.Though this technological scheme has been simplified the production technology of guide rail, some manufacture costs have been reduced, but, all very little as the steel ball of rolling element with radius of curvature as the cylindrical guide track outer surface of raceway, form the some contact each other, contact stress is very big, and bearing capacity is poor, has a strong impact on the working life of rolling guide-rail pairs.And still complicated as the bearing main body structure of a slide block part, manufacture difficulty is big, is difficult to reduce production costs significantly.
[summary of the invention]
It is simple that the technical problem to be solved in the present invention provides a kind of manufacturing process, low production cost, and the raceway contact stress is little, bearing capacity height, the rolling guide-rail pairs of long service life.
The technical problem that the present invention further will solve provides a kind of lightweight rolling guide-rail pairs.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of rolling guide-rail pairs comprises guide rail and slide block, and described guide rail comprises guide rail body and is embedded in rail on the guide rail body; Described slide block comprises slide block body, 2 end caps, 4 row carrying balls and is embedded in rolling groove on the slide block body, the raceway of described rail and rolling groove is the groove of circular arc, described score-rail and rolling groove respectively are 2, on every score-rail and the rolling groove 2 row raceways are arranged.
Above rolling guide-rail pairs is characterized in that, described score-rail can be the A font, and described rolling groove can be W shape.
Above-described rolling guide-rail pairs, the base material of described guide rail body and slide block body is aluminum alloy preferably.
Above-described rolling guide-rail pairs, the angle of the best same level direction of direction that ball is stressed are 40 to 50 degree.
Above-described rolling guide-rail pairs, described end cap comprises the reverser of ball, and the both sides of described slide block body have with the isometric cover plate of slide block body, and the inboard of described cover plate constitutes back the pearl passage with the outer side surface fastening of slide block body.
Above-described rolling guide-rail pairs, described cover plate inwardly stretches out, and constitutes the following retainer of ball.
Above-described rolling guide-rail pairs also comprises the holder of ball in slide block.
Above-described rolling guide-rail pairs has lubricant oil to chew on end cap, has accumulator is arranged in the end cap.
Above-described rolling guide-rail pairs can also have the installation bead at the end face of slide block
The raceway that the present invention is embedded in the score-rail on the guide rail body and is embedded in the rolling groove on the guide rail body all adopts the groove of circular arc, the groove of circular arc can adopt with the approaching radius of curvature of ball, greatly increased raceway with the surface of contact between the ball, reduce contact stress between the two, greatly improved the bearing capacity and the working life of rolling guide-rail pairs.The present invention has the score-rail of arc-shaped groove and compares with the cylindrical steel rods track with rolling groove, and boundary dimension is little, and is in light weight, and consumable material is few, and can the cold-drawn moulding, and manufacturing process is simple, low production cost.
The base material of guide rail body of the present invention and slide block body can also further reduce the weight and the cost of production of product as adopting aluminum alloy.
[description of drawings]
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is rolling guide-rail pairs embodiment's 1 an of the present invention outline drawing.
Fig. 2 is the exploded view of rolling guide-rail pairs embodiment of the present invention 1 when being inverted.
Fig. 3 is rolling guide-rail pairs embodiment 1 a slide block of the present invention exploded view when being inverted.
Fig. 4 rolling guide-rail pairs embodiment's 1 of the present invention sectional view.
Fig. 5 is rolling guide-rail pairs embodiment's 2 an of the present invention outline drawing.
[embodiment]
To the embodiment of rolling guide-rail pairs of the present invention shown in Figure 4, comprise guide rail and the slide block 17 that can on guide rail, slide at Fig. 1.Guide rail is made up of with the score-rail 15 that is embedded in 2 two raceway A fonts on the guide rail body 14 guide rail body 14 of aluminum alloy; 7,2 end caps of rolling groove of the 2 piece two raceway W shapes of slide block 17 by the slide block body 1 of aluminum alloy, on being embedded in the slide block body and 4 row balls 13 etc. are formed; The raceway of score-rail 15 and rolling groove 7 all is the arc-shaped groove that cooperates with ball.
The ball reverser that labyrinth 2 that plastics make and circulator are formed is housed on the end cap at slide block body 1 two ends, and be equipped with the isometric plastic cover plate 5 of slide block body 1 both sides of slide block body 1.There are 2 road grooves the inboard of cover plate, constitutes back pearl passage 18 with 2 road groove combination of the outer side surface of slide block body.Ball reverser on the end cap has constituted the closed-circuit circuit system of ball with time pearl passage 18 of the inboard of cover plate.
For the ease of dismounting, inwardly stretch out the lower end of cover plate 5, withstands on the bottom of ball row, has constituted the following retainer of ball.The holder 6 of ball also is housed in slide block.In disassembly process, the ball in the slide block can not be scattered like this.
For rolling guide-rail pairs is lubricated, on the cover plate 9 of end cap, lubricant oil is housed and chews 11, sponge accumulator 8 is housed having between cover plate 9 and the labyrinth 2.
As shown in Figure 4, present embodiment rolling guide-rail pairs, the angle of the stressed direction same level direction of every row ball are 45 degree, and the rolling guide-rail pairs load of bearing 4 directions is equal like this, has improved the load ability to bear.
In the embodiment 2 of rolling guide-rail pairs of the present invention shown in Figure 5, also be provided with at the end face of slide block bead 1a is installed, help the installation of movement parts.
The present invention has following advantage:
The present invention is embedded in the score-rail and the rolling that is embedded on the slide block body on the guide rail body The raceway of groove has all adopted the groove of circular arc, and the groove of circular arc can adopt and approach with ball Radius of curvature has increased raceway with the contact-making surface between the ball, has reduced contact between the two Stress, bearing capacity and the service life of greatly improving rolling guide-rail pairs.
The present invention adopts 4 row balls, and 4 row ball stress equalizations, and accumulator has from profit simultaneously Sliding effect, bearing capacity and the service life that can improve rolling guide-rail pairs.
The base material of guide rail body of the present invention and slide block body adopts aluminium alloy, and remaining part is adopted more Use working of plastics, can reduce weight and the production cost of product, compare weight with the steel product Reduce by 70%. Aluminium matter slide block is in light weight, and inertia is little, and staring torque is little, and movement velocity can reach 1.5 times of specification steel slide block on an equal basis.
Main parts size of the present invention all can adopt the processing of mould molding technology, the working (machining) efficiency height, The process energy consumption is low, no waste material and pollution, and cost is low, and quality consistency is good, is easy to assembling.
Claims (9)
1. a rolling guide-rail pairs comprises guide rail and slide block, and described guide rail comprises guide rail body and the rail that is embedded on the guide rail body; Described slide block comprises slide block body, 2 end caps, 4 row carrying balls and is embedded in rolling groove on the slide block body, it is characterized in that, be inlaid with the rolling groove of ball in the inboard of slide block body, the raceway of described rail and rolling groove is the groove of circular arc, described score-rail and rolling groove respectively are 2, on every score-rail and the rolling groove 2 row raceways are arranged.
2. rolling guide-rail pairs according to claim 1 is characterized in that, described score-rail is the A font, and described rolling groove is a W shape.
3. rolling guide-rail pairs according to claim 1 and 2 is characterized in that, the base material of described guide rail body and slide block body is an aluminum alloy.
4. rolling guide-rail pairs according to claim 1 and 2 is characterized in that, the angle of the direction same level direction that ball is stressed is 40 to 50 degree.
5. rolling guide-rail pairs according to claim 1 and 2, it is characterized in that, described end cap comprises the reverser of ball, and the both sides of described slide block body have with the isometric cover plate of slide block body, and the inboard of described cover plate constitutes back the pearl passage with the outer side surface fastening of slide block body.
6. rolling guide-rail pairs according to claim 5 is characterized in that described cover plate inwardly stretches out, and constitutes the following retainer of ball.
7. rolling guide-rail pairs according to claim 1 and 2 is characterized in that, also comprises the holder of ball in slide block.
8. rolling guide-rail pairs according to claim 1 and 2 is characterized in that, has lubricant oil to chew on end cap, has accumulator is arranged in the end cap.
9. rolling guide-rail pairs according to claim 1 and 2 is characterized in that, at the end face of slide block the installation bead is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710073308 CN101025194A (en) | 2007-02-15 | 2007-02-15 | Rolling guide-rail pairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710073308 CN101025194A (en) | 2007-02-15 | 2007-02-15 | Rolling guide-rail pairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101025194A true CN101025194A (en) | 2007-08-29 |
Family
ID=38743731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710073308 Pending CN101025194A (en) | 2007-02-15 | 2007-02-15 | Rolling guide-rail pairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101025194A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100634A (en) * | 2013-04-02 | 2014-10-15 | 全研科技有限公司 | Improved structure of linear sliding |
| CN106702832A (en) * | 2015-08-05 | 2017-05-24 | 上海法赫桥梁隧道养护工程技术有限公司 | Rolling guideway mechanism |
| CN110388382A (en) * | 2018-04-23 | 2019-10-29 | 直得科技股份有限公司 | Micro linear sliding rail and its slide |
| CN111564949A (en) * | 2020-05-28 | 2020-08-21 | 歌尔股份有限公司 | Linear motor |
| CN115773312A (en) * | 2022-11-16 | 2023-03-10 | 得发科精密制造无锡有限公司 | Linear guide rail sliding block device with single ball way body |
| CN116972074A (en) * | 2023-08-23 | 2023-10-31 | 南京工艺装备制造有限公司 | Rolling guide rail pair |
-
2007
- 2007-02-15 CN CN 200710073308 patent/CN101025194A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100634A (en) * | 2013-04-02 | 2014-10-15 | 全研科技有限公司 | Improved structure of linear sliding |
| CN106702832A (en) * | 2015-08-05 | 2017-05-24 | 上海法赫桥梁隧道养护工程技术有限公司 | Rolling guideway mechanism |
| CN110388382A (en) * | 2018-04-23 | 2019-10-29 | 直得科技股份有限公司 | Micro linear sliding rail and its slide |
| CN111564949A (en) * | 2020-05-28 | 2020-08-21 | 歌尔股份有限公司 | Linear motor |
| CN115773312A (en) * | 2022-11-16 | 2023-03-10 | 得发科精密制造无锡有限公司 | Linear guide rail sliding block device with single ball way body |
| CN115773312B (en) * | 2022-11-16 | 2024-02-06 | 无锡得发科装备技术有限公司 | Linear guide rail sliding block device with independent ball channel body |
| CN116972074A (en) * | 2023-08-23 | 2023-10-31 | 南京工艺装备制造有限公司 | Rolling guide rail pair |
| CN116972074B (en) * | 2023-08-23 | 2024-03-22 | 南京工艺装备制造股份有限公司 | Rolling guide rail pair |
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Open date: 20070829 |