CN201925344U - High-speed rolling linear guideway pair - Google Patents
High-speed rolling linear guideway pair Download PDFInfo
- Publication number
- CN201925344U CN201925344U CN2011200267546U CN201120026754U CN201925344U CN 201925344 U CN201925344 U CN 201925344U CN 2011200267546 U CN2011200267546 U CN 2011200267546U CN 201120026754 U CN201120026754 U CN 201120026754U CN 201925344 U CN201925344 U CN 201925344U
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- CN
- China
- Prior art keywords
- slide block
- raceway
- guide rail
- ball
- guideway
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a high-speed rolling linear guideway pair which comprises a guideway, a slide block, balls and reversers, wherein two guideway raceways are respectively arranged at both sides of the guideway; two slide block raceways are respectively arranged at both sides of the interior of a groove of the slide block and correspond to the guideway raceways; at least two balls are arranged between the guideway raceways and the slide block raceways; four ball passages are arranged in the slide block and beside the slide block raceways; both ends of the slide block are respectively provided with one ball reverser; and the curvature radius R of the guideway raceway and the slide block raceway is 0.54 times larger than the diameter D of the ball. The integral friction drag of the rolling linear guideway pair can be reduced in the high-speed motion process, so that the speed and service life indexes of the product can be enhanced.
Description
Technical field
The utility model relates to a kind of linear rolling guide, particularly relates to a kind of high speed scroll linear guide pairs that is mainly used in the various quick linear moving apparatus.
Background technique
Linear rolling guide is widely used in the various electromechanical integration equipments, existing linear rolling guide comprises guide rail, slide block, ball, back device, be respectively equipped with two guide rail raceways in the guide rail both sides, also be respectively equipped with and two corresponding slide block raceways of guide rail raceway in the inside grooves both sides of slide block, between guide rail raceway and slide block raceway, be provided with ball, be respectively equipped with two ball channels in slide block groove both sides and slide block raceway next door, the slide block two ends are respectively equipped with a back device.The structure of its middle guide raceway and slide block raceway mainly contains two kinds at present: 1, guide rail raceway and slide block raceway all are that 2 1/4 circular arcs are spliced; 2, develop on the basis of first kind of structure, its middle guide raceway changes one section 1/4 circular arc into.More than the shortcoming of these structures be that the steel ball of first kind of structure is surrounded by four arcs, differential surface friction drag is bigger, linear rolling guide mass motion frictional force is relatively large, second kind of structure is the improvement of first structure, differential surface friction drag improves a lot, but linear rolling guide still can cause the problem of life-span reduction because of the existence of differential surface friction drag in the high-speed motion process.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of high speed scroll linear guide pairs, and linear rolling guide whole surface friction drag in the high-speed motion process is reduced, thereby improves the speed and the index of aging of product.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of high speed scroll linear guide pairs is provided, comprises guide rail, slide block, ball and back device, described guide rail both sides are respectively equipped with two guide rail raceways; The both sides of described slide block inside grooves are respectively equipped with two and the corresponding slide block raceway of described guide rail raceway; Be provided with at least 2 balls between described guide rail raceway and the slide block raceway; Also be provided with four ball channels that are positioned at slide block raceway next door in the described slide block; Described slide block two ends are respectively equipped with a ball back device, and the radius of curvature R of described guide rail raceway and slide block raceway is 0.54 times of diameter D of described ball.
Be provided with a steel ball holder between described slide block groove floor and the described guide rail end face.
Described slide block groove inner side surface and described guide rail respectively are provided with retainer under the steel ball between two sides.
The described back device outside is equipped with end cover.
Described slide block bottom surface and guide rail respectively are provided with a side sealing bar between two sides.
Beneficial effect
Owing to adopted above-mentioned technological scheme, the utility model compared with prior art, have following advantage and good effect: the utility model is by being optimized design to the radius of curvature R of guide rail raceway and slide block raceway and to the diameter D of ball, make the radius of curvature R of guide rail raceway and slide block raceway satisfy R=0.54D, thereby make linear rolling guide integral body in movement process, reduce differential surface friction drag, guaranteed the high speed in the slide block movement process, the working life of having improved linear rolling guide.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the plan view of Fig. 1.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiments only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
The utility model relates to a kind of various quick linear moving apparatus high speed linear rolling guides that are mainly used in.As depicted in figs. 1 and 2, the utility model comprises guide rail 1, slide block 2, ball 3 and back device 4, and wherein, guide rail 1 and slide block 2 mate mutually.Section is " n " shape in the slide block 2, straddles the top of guide rail 1.Guide rail 1 both sides are respectively equipped with two guide rail raceways 11, and the both sides of slide block 2 inside grooves are respectively equipped with two and guide rail raceway 11 corresponding slide block raceways 21.Be provided with several balls 3 between guide rail raceway 11 and the slide block raceway 21, also be provided with four ball channels 22 that are positioned at slide block raceway 21 next doors in the slide block 2.Guide rail raceway 11 and slide block raceway 21 radius of curvature R and ball 3 diameter D are by the adaptive optimal design of carrying out of certain ratio, and making guide rail raceway 11 and slide block raceway 21 radius of curvature R is 0.54 times of ball 3 diameter D, even R=0.54D.When so design can make ball 3 move between guide rail raceway 11 and slide block raceway 21, reduce differential surface friction drag, it is little therefore to the utlity model has surface friction drag, advantages such as mass motion high speed.Slide block 2 two ends are respectively equipped with a back device 4, elder generation was via guide rail raceway 11 and slide block raceway 21 when ball 3 moved, then enter the ball channel 22 of slide block, reenter guide rail raceway 11 and slide block raceway 21 via ball back device 4 again, thereby form the loop by back device 4.Also be provided with an end cover that is used to seal 7 in the outside of each ball back device 4.The function class of the function of holder 5 and following retainer 6 is in order to encase ball 3 seemingly.Between slide block 2 groove floor and guide rail 1 end face, be provided with a steel ball holder 5, between slide block 2 groove sides and guide rail 1 side, be provided with retainer 6 under two steel balls, between slide block 2 bottom surfaces and 1 two sides of guide rail, respectively be provided with a side sealing bar 8 simultaneously.
Be not difficult to find, the utility model is by being optimized design to the radius of curvature R of guide rail raceway and slide block raceway and to the diameter D of ball, make the radius of curvature R of guide rail raceway and slide block raceway satisfy R=0.54D, thereby make linear rolling guide integral body in movement process, reduce differential surface friction drag, guaranteed the high speed in the slide block movement process, the working life of having improved linear rolling guide.
Claims (5)
1. a high speed scroll linear guide pairs comprises guide rail (1), slide block (2), ball (3) and back device (4), and described guide rail (1) both sides are respectively equipped with two guide rail raceways (11); The both sides of described slide block (2) inside grooves are respectively equipped with two and the corresponding slide block raceway of described guide rail raceway (11) (21); Be provided with at least 2 balls (3) between described guide rail raceway (11) and the slide block raceway (21); Also be provided with four ball channels (22) that are positioned at slide block raceway (21) next door in the described slide block (2); Described slide block (2) two ends are respectively equipped with a ball back device (4), it is characterized in that, the radius of curvature R of described guide rail raceway (11) and slide block raceway (21) is 0.54 times of diameter D of described ball (3).
2. high speed scroll linear guide pairs according to claim 1 is characterized in that, is provided with a steel ball holder (5) between described slide block (2) groove floor and described guide rail (1) end face.
3. high speed scroll linear guide pairs according to claim 1 is characterized in that, described slide block (2) groove inner side surface and described guide rail respectively are provided with retainer under the steel ball (6) between (1) two side.
4. high speed scroll linear guide pairs according to claim 1 is characterized in that, described back device (4) outside is equipped with end cover (7).
5. high speed scroll linear guide pairs according to claim 1 is characterized in that, described slide block (2) bottom surface and guide rail respectively are provided with a side sealing bar (8) between (1) two side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200267546U CN201925344U (en) | 2011-01-26 | 2011-01-26 | High-speed rolling linear guideway pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200267546U CN201925344U (en) | 2011-01-26 | 2011-01-26 | High-speed rolling linear guideway pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925344U true CN201925344U (en) | 2011-08-10 |
Family
ID=44429194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200267546U Expired - Fee Related CN201925344U (en) | 2011-01-26 | 2011-01-26 | High-speed rolling linear guideway pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201925344U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470627A (en) * | 2013-09-10 | 2013-12-25 | 苏州凯欧机械科技有限公司 | Novel linear sliding rail with equal loads in four directions |
| CN109741534A (en) * | 2019-01-18 | 2019-05-10 | 绵阳市智慧鸟软件技术有限公司 | A kind of vertical lift picking mechanism of vending machine |
| CN110214570A (en) * | 2018-10-18 | 2019-09-10 | 韦锋 | A kind of highway greenbelt clipping device |
| CN110319118A (en) * | 2018-03-30 | 2019-10-11 | 林彦辰 | Linear slide rail group and its application method |
| CN111577763A (en) * | 2020-05-22 | 2020-08-25 | 浙江威肯特智能机械有限公司 | High-yield linear sliding block |
| CN112797057A (en) * | 2021-02-26 | 2021-05-14 | 西安理工大学 | Buckle and guide rail assembly of arc rolling guide rail |
| CN117287463A (en) * | 2023-10-26 | 2023-12-26 | 广东台银直线导轨科技有限公司 | Linear guide rail pair with damping and vibration-resisting functions and manufacturing process thereof |
-
2011
- 2011-01-26 CN CN2011200267546U patent/CN201925344U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470627A (en) * | 2013-09-10 | 2013-12-25 | 苏州凯欧机械科技有限公司 | Novel linear sliding rail with equal loads in four directions |
| CN110319118A (en) * | 2018-03-30 | 2019-10-11 | 林彦辰 | Linear slide rail group and its application method |
| CN110214570A (en) * | 2018-10-18 | 2019-09-10 | 韦锋 | A kind of highway greenbelt clipping device |
| CN109741534A (en) * | 2019-01-18 | 2019-05-10 | 绵阳市智慧鸟软件技术有限公司 | A kind of vertical lift picking mechanism of vending machine |
| CN109741534B (en) * | 2019-01-18 | 2024-06-07 | 广东柏菲智能科技有限公司 | Vertical lifting goods taking mechanism of vending machine |
| CN111577763A (en) * | 2020-05-22 | 2020-08-25 | 浙江威肯特智能机械有限公司 | High-yield linear sliding block |
| CN112797057A (en) * | 2021-02-26 | 2021-05-14 | 西安理工大学 | Buckle and guide rail assembly of arc rolling guide rail |
| CN117287463A (en) * | 2023-10-26 | 2023-12-26 | 广东台银直线导轨科技有限公司 | Linear guide rail pair with damping and vibration-resisting functions and manufacturing process thereof |
| CN117287463B (en) * | 2023-10-26 | 2024-03-12 | 广东台银直线导轨科技有限公司 | Linear guide rail pair with damping and vibration-resisting functions and manufacturing process thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20180126 |