CN202732697U - Linear guide rail pair - Google Patents
Linear guide rail pair Download PDFInfo
- Publication number
- CN202732697U CN202732697U CN 201220370577 CN201220370577U CN202732697U CN 202732697 U CN202732697 U CN 202732697U CN 201220370577 CN201220370577 CN 201220370577 CN 201220370577 U CN201220370577 U CN 201220370577U CN 202732697 U CN202732697 U CN 202732697U
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- CN
- China
- Prior art keywords
- raceway
- slide block
- linear guide
- reverser
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a linear guide rail pair which comprises roll balls and a sliding block assembly. The sliding block assembly comprises a sliding block and returning devices respectively arranged at two ends of the sliding block, and at least a left raceway and a right raceway are arranged inside the sliding block. Roll ball inlets used for allowing the roll balls to be placed into the raceways are arranged on the sliding block assembly, and sealing pieces used for sealing the roll ball inlets are arranged on the sliding block assembly. By means of the roll ball inlets arranged on the sliding block assembly, the roll balls can be conveniently put in or take out to be suitable for sliding block friction testing when the linear guide rail pair is assembled.
Description
Technical field
The utility model relates to a kind of linear guide pairs.
Background technique
Along with the development of Modern Manufacturing Technology, so that huge variation has occured traditional manufacturing industry, Numeric Control Technology, electromechanical integration and industrial robot have obtained using more widely aborning.Location accuracy, guiding accuracy and the feed speed of mechanical transmission mechanism are improving constantly simultaneously, make traditional guide mechanism that great change occur.Since beginning commercialization in 1973, linear rolling guide has replaced traditional sliding straight guide rail gradually with its exclusive characteristic, is widely used in industrial production.Adapted to machinery now for highi degree of accuracy, high-speed, energy saving and the requirement of shortening product development cycle, be widely used in the machinery that various heavy combination working machine tools, numerical control machine tool, highi degree of accuracy electrodischarge cutting machine, grinding machine, industrial robot and even general industry use.At present, the manufacturer that produces linear rolling guide abroad mainly concentrates on the U.S., Britain, Germany and Japan and other countries.Domestic manufacture view at linear rolling guide also is in the starting stage.
In the prior art, make in the assembly process of linear guide pairs, the replacing of putting into, take out of ball is a difficult problem always, when particularly debugging the frictional force of slide block, need to change the more ball of coupling according to the situation of frictional force between ball and the slide rail; Be after reverser is taken off, then to open reverser in the prior art, pack into or take out ball; Or from the slit of retainer and slide block inner track, fill in ball; This mode wastes time and energy, and efficiency of assembling is low.
So the mode of the ball of packing into of prior art has brought inconvenience for assembling and debugging work.
The model utility content
The technical problems to be solved in the utility model provides a kind of linear guide pairs that is suitable for conveniently packing into or takes out ball.
In order to solve the problems of the technologies described above, the utility model provides a kind of linear guide pairs, comprising: ball, slide block assembly, and described slide block assembly comprises: slide block and be located at respectively the reverser at described slide block two ends is provided with left and right at least raceway in the slide block; Described slide block assembly is provided with for ball entrance from ball to each raceway that put into, and the closure member that is used for sealing described each ball entrance.
Described closure member adopts elastic material, and described reverser adopts nylon or engineering plastics.
Further, the stability of sliding in order to improve slide block, described left and right raceway comprises respectively upper and lower two-layer, one in the raceway of same layer and the described reverser turns to raceway to connect.
Further, the noise that produces when turning in order to reduce ball and the described area of contact that turns between the raceway, to reduce ball, the described raceway that turns to is Gothic duplex circular ares profile race.
Further, for the ease of putting into or take out ball, described each ball entrance is positioned on the described slide block, and described each ball entrance can also lay respectively at the bi-side of described slide block, and perhaps described ball entrance is positioned on each reverser.
Further, described linear guide pairs also comprises: guide rail, described slide block assembly is provided with the groove that matches with the sectional shape of described guide rail, both sides are respectively equipped with at least one deck track corresponding with described guide rail in the groove of described slide block, and at least two be connected between described two reversers and the retainer corresponding with the cambered surface of described track both sides, and the cambered surface of the cambered surface of described retainer and the described track of homonymy is configured for keeping the raceway of described ball; The two ends of described retainer are provided with the butt hook that links to each other with described a pair of reverser respectively; This retainer global design makes the easy to assembly of described linear guide pairs, in the situation that screw is not installed, described butt hook has pinned the reverser at two ends, can put into track to slide block assembly and carry out damping test.
Further, in order to make cover plate in following the sliding process of slide block, the base is not easy perk, makes the cover plate face of both sides stressed evenly, and can reduce the assembling quantity that cover plate is tightened up a screw; The outboard end of described reverser is provided with the cover plate of undercut shape, and a pair of footing of each cover plate is provided with the hasp that is used for connecting described reverser of to the inside bending; Because stressed even, thinner than traditional cover plate so this cover plate need not to do very thickly, reduced the quantity of assembling screw, simplified mounting process, improved installation efficiency.
Further, in order to form flexible accessible the connection between each raceway that makes slide block and reverser, in order to the smooth and easy circulation of steel ball, reduce noise.Described linear guide pairs also comprises: elasticity raceway convergence piece, described elasticity raceway convergence piece are located at the joint (namely going back to the hole of bead) that turns to the raceway in raceway and the described slide block in the described reverser.
Further, described slide block both sides respectively establish with described first, second reverser in respectively turn to raceway to match upper and lower two groups of raceways; Each described elasticity raceway convergence piece is positioned at homonymy raceway and the described joint that respectively turns to raceway, and by Flexible Connector serial connection, to consist of elasticity transition assembly; Respectively be provided with the groove that is suitable for accordingly holding described elasticity transition assembly in described first, second reverser.
Technique scheme of the present utility model has the following advantages compared to existing technology: (1) puts into mouth by the ball of being located on the described slide block assembly, can put into very easily or take out ball, slide block friction testing during with suitable assembling linear guide pairs; (2) upper and lower two-layer raceway design has improved the stability that slide block slides; (3) the described raceway that turns to is Gothic duplex circular ares profile race, reduces ball and the described area of contact that turns between the raceway, the noise of generation when reducing ball and turning to; (4) ball is put into and mouthful can be located on the slide block, on the slide block bi-side, reverser, can satisfy and put into ball, and flexible design goes for different linear guide pairies; (5) retainer global design makes the easy to assembly of described linear guide pairs, in the situation that screw is not installed, described butt hook has pinned the reverser at two ends, can put into track to slide block assembly and carry out damping test; (6) design of cover plate makes it stressed more even, is not easy alice, has reduced the thickness of cover plate sheet material, and has reduced the quantity of assembling screw, has significantly improved assembly technology; (7) described elasticity raceway convergence piece forms flexible accessible the connection between each raceway of slide block and reverser, in order to the smooth and easy circulation of steel ball, reduces noise.
Description of drawings
For content of the present utility model is more likely to be clearly understood, below the specific embodiment and by reference to the accompanying drawings of basis, the utility model is described in further detail, wherein
Assembly structure schematic diagram when Fig. 1 is linear guide pairs inversion of the present utility model;
Critical piece structural representation when Fig. 2 is linear guide pairs inversion of the present utility model;
Fig. 3 is the structural representation of two side cover plates of linear guide pairs of the present utility model;
Described ball when Fig. 4 is linear guide pairs inversion of the present utility model is put into the mode of execution schematic diagram of mouth;
Fig. 5 is the mode of execution schematic diagram that the described ball of linear guide pairs of the present utility model is put into mouth;
Fig. 6 is the assembly structure schematic diagram of linear guide pairs of the present utility model;
Fig. 7 is the structural representation of retainer of the present utility model;
Fig. 8 is the structural representation of reverser of the present utility model;
Fig. 9 is the structural representation of elasticity transition assembly of the present utility model;
Figure 10 is Gothic duplex circular ares profile race sectional view of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated:
See Fig. 1-9, a kind of linear guide pairs comprises: ball 4, slide block assembly, and described slide block assembly comprises: slide block 6 and be located at respectively the reverser 3 at described slide block 6 two ends is provided with left and right at least raceway in the slide block 6; Described slide block assembly is provided with for ball entrance from ball to each raceway that put into, and the closure member 8 that is used for sealing described each ball entrance.
Described closure member 8 adopts elastic material, and described reverser 3 adopts nylon or engineering plastics; The elasticity of the material of making described closure member 8 that perhaps adopts is greater than the material of described reverser 3.
Described left and right raceway comprises respectively upper and lower two-layer, and one in the raceway of same layer and the described reverser 3 turns to raceway to connect.
See Figure 10, the described raceway that turns to is Gothic duplex circular ares profile race.
Gothic duplex circular ares profile race: being shaped as of the rolling surface of steel ball " some contact " structure, employing with the steel ball circular arc ditch of approximate curvature directly, form " Gothic shape " ditches (Gothic) with two circular arc ditches.Its reason is, during the point contact, load rating is little, and single circular arc ditch is when axle direction bears loading, and point of contact is easily mobile, and feed accuracy is bad, and axial stiffness also reduces.
Described linear guide pairs also comprises: guide rail 1, described slide block assembly is provided with the groove that matches with the sectional shape of described guide rail 1, both sides are respectively equipped with at least one deck track corresponding with described guide rail 1 in the groove of wherein said slide block 6, and at least two be connected between described two reversers 3 and the retainer 5 corresponding with the cambered surface of described track both sides, and the cambered surface of the cambered surface of described retainer 5 and the described track of homonymy is configured for keeping the raceway of described ball 4; The two ends of described retainer 5 are provided with the butt hook 5-1 that links to each other with described a pair of reverser 3 respectively; The concrete structure of this retainer can be referring to shown in Figure 7.
See that Fig. 3 shows the structural representation of cover plate, the outboard end of described reverser 3 is provided with the cover plate 9 of undercut shape, and a pair of footing of each cover plate 9 is provided with the hasp 9-1 that is used for connecting described reverser of to the inside bending, and this cover plate is also referred to as end cap.
See that Fig. 9 shows the structural representation of elasticity raceway convergence piece 10-1, described linear guide pairs also comprises: elasticity raceway convergence piece 10-1, also can be described as elasticity raceway connector loop, described elasticity raceway convergence piece 10-1 is located at the joint (being also referred to as go back to the hole of bead) that turns to the raceway in raceway and the described slide block 6 in the described reverser 3, and this elasticity raceway convergence piece 10-1 can use separately.The material selection of described elasticity raceway convergence piece 10-1 can be than the elastic material of the material softer of described reverser; Described elasticity raceway convergence piece is also referred to as elasticity raceway transition piece, elasticity raceway connector loop or elasticity raceway transition ring.
Fig. 9 also shows a kind of mode of structure of elasticity transition assembly 10; If described slide block 6 both sides respectively establish with described two reversers 3 in respectively turn to raceway to match upper and lower two groups of raceways; Each described elasticity raceway convergence piece 10-1 is positioned at homonymy raceway and the described joint that respectively turns to raceway, and by Flexible Connector serial connection, to consist of elasticity transition assembly 10; Respectively be provided with the groove that is suitable for accordingly holding described elasticity transition assembly 10 in the described reverser 3.For the ease of putting into the groove of described elasticity transition assembly 10, the elastic material of described elasticity transition assembly 10 is softer than the elastic material of described reverser.
Described reverser adopts nylon or engineering plastics.
Embodiment 2
Fig. 1 and Fig. 8 also show described ball entrance simultaneously and are positioned at a kind of embodiment on each reverser, namely are provided with ball entrance 4-1 in the outside one side of reverser.
Fig. 4, Fig. 5 divide and show ball and put into a mouthful aperture position in the cards, for for simplicity, Fig. 4, Fig. 5 parts identical or similar with Fig. 1 function are in mark or expression, only mark the position that ball is put into mouthful, and ball is put into a mouthful similar label among employing and Fig. 1.
For for simplicity, slide block assembly in addition the ball entrance of side because at the reverse side of figure, therefore do not draw, but this side position of the particular location of the ball entrance of side and demonstration is consistent in addition; See Fig. 4, lay respectively at the described ball entrance 4-1a of two bottom surfaces of described slide block 6, or lay respectively at the described ball entrance 4-1b of the bi-side of described slide block 6, or lay respectively at the bi-side described ball entrance 4-1c of reverser 3.
Fig. 5 is positioned at the described ball entrance 4-1d at the top of described slide block 6.
Certainly ball is put into and mouthful a lot of positions and opening mode can also be arranged, if identical with the interior raceway of slide block and reverser, and be suitable for embedding corresponding Sealing, the seal can be elastic material.
Obviously, above-described embodiment only is for the utility model example clearly is described, and is not to be restriction to mode of execution of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all mode of executions exhaustive.And these belong to apparent variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (9)
1. linear guide pairs comprises: ball, slide block assembly, and described slide block assembly comprises: slide block and be located at respectively the reverser at described slide block two ends is provided with left and right at least raceway in the slide block; It is characterized in that: described slide block assembly is provided with for ball entrance from ball to each raceway that put into, and the closure member that is used for sealing described each ball entrance.
2. linear guide pairs according to claim 1, its this be characterised in that: described left and right raceway comprises respectively upper and lower two-layer, with raceway and the described reverser of layer interior one turn to raceway to connect.
3. linear guide pairs according to claim 2, its this be characterised in that: the described raceway that turns to is Gothic duplex circular ares profile race.
4. linear guide pairs according to claim 1 and 2, its this be characterised in that: described each ball entrance is positioned on the described slide block.
5. linear guide pairs according to claim 1 and 2, its this be characterised in that: described each ball entrance lays respectively at the bi-side of described slide block.
6. linear guide pairs according to claim 1 and 2, its this be characterised in that: described ball entrance is positioned on each reverser.
7. according to claim 1 or 2 described linear guide pairies, its this be characterised in that: described linear guide pairs also comprises: guide rail, described slide block assembly is provided with the groove that matches with the sectional shape of described guide rail, both sides are respectively equipped with at least one deck track corresponding with described guide rail in the groove of described slide block, and at least two be connected between described two reversers and the retainer corresponding with the cambered surface of described track both sides, and the cambered surface of the cambered surface of described retainer and the described track of homonymy is configured for keeping the raceway of described ball; The two ends of described retainer are provided with respectively and described two butt hooks that reverser links to each other.
8. linear guide pairs according to claim 7, its this be characterised in that: the outboard end of described reverser is provided with the cover plate of undercut shape, and a pair of footing of each cover plate is provided with the hasp that is used for connecting described reverser of to the inside bending.
9. linear guide pairs according to claim 1 and 2, its this be characterised in that: described linear guide pairs also comprises: elasticity raceway convergence piece, described elasticity raceway convergence piece are located at the joint that turns to the interior raceway of raceway and described slide block in the described reverser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220370577 CN202732697U (en) | 2012-07-29 | 2012-07-29 | Linear guide rail pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220370577 CN202732697U (en) | 2012-07-29 | 2012-07-29 | Linear guide rail pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202732697U true CN202732697U (en) | 2013-02-13 |
Family
ID=47658399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220370577 Expired - Fee Related CN202732697U (en) | 2012-07-29 | 2012-07-29 | Linear guide rail pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202732697U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916227A (en) * | 2018-07-11 | 2018-11-30 | 广东台银直线导轨科技有限公司 | A kind of line slideway auxiliary slide block structure of high sealing |
| CN114688223A (en) * | 2022-03-22 | 2022-07-01 | 清华大学 | Rolling linear guide pair and ball integrated holding reverse device |
-
2012
- 2012-07-29 CN CN 201220370577 patent/CN202732697U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916227A (en) * | 2018-07-11 | 2018-11-30 | 广东台银直线导轨科技有限公司 | A kind of line slideway auxiliary slide block structure of high sealing |
| CN114688223A (en) * | 2022-03-22 | 2022-07-01 | 清华大学 | Rolling linear guide pair and ball integrated holding reverse device |
| CN114688223B (en) * | 2022-03-22 | 2024-07-05 | 清华大学 | Rolling linear guide rail pair and ball integrated retaining reversing device |
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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: 20130213 Termination date: 20160729 |