CN203627529U - Sliding guide rail capable of generating distributed heat to achieve wedge-shaped dynamic-pressure lubrication - Google Patents
Sliding guide rail capable of generating distributed heat to achieve wedge-shaped dynamic-pressure lubrication Download PDFInfo
- Publication number
- CN203627529U CN203627529U CN201320806625.8U CN201320806625U CN203627529U CN 203627529 U CN203627529 U CN 203627529U CN 201320806625 U CN201320806625 U CN 201320806625U CN 203627529 U CN203627529 U CN 203627529U
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- CN
- China
- Prior art keywords
- guide rail
- quiet
- distributed heat
- wedge shape
- guide rails
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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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- 238000005461 lubrication Methods 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000000314 lubricant Substances 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 12
- 239000007779 soft material Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 241000397426 Centroberyx lineatus Species 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Bearings For Parts Moving Linearly (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses a sliding guide rail capable of generating distributed heat to achieve wedge-shaped dynamic-pressure lubrication. The sliding guide rail comprises a movable guide rail and a fixed guide rail, wherein round holes distributed uniformly and having the same size are formed in a fixed guide rail base body matched with the movable guide rail, a cylinder having the same size with the round hole is arranged in each round hole, a flexible abrasion-resisting material covers the surface of the fixed guide rail base body matched with the movable guide rail and the surfaces of the cylinders, and the movable guide rail and the fixed guide rail are rectangular guide rails, V-shaped guide rails or dovetail groove guide rails. An elastic fluid dynamic-pressure lubricating oil film is formed between the movable guide rail and the fixed guide rail, so that the abrasion caused by friction is reduced and the service life of the guide rail is prolonged; the guide rails can form distributive wedge-shaped convergence clearances, therefore, the integral dynamic-pressure lubricating effect is improved and the abrasion performance is improved; the wedge-shaped convergence clearances formed between two guide rails can achieve two-way lubrication, so that the dynamic-pressure lubrication can be achieved when the guide rails move in a reciprocating manner; and the sliding guide rail can be suitable for occasions with high requirements for carrying capacity and the lubricating effect of the sliding guide rail. The technical scheme is suitable for heavy guide rails or guide rails different to lubricate.
Description
Technical field
The utility model relates to a kind of slide guide, especially relates to a kind of slide guide that can produce distributed heat wedge shape hydrodynamic lubrication.
Background technique
The slideway of common slide guide directly contacts, and has the mixed friction state of certain dynamic pressure effect, and dynamic pressure effect is limited.But although this guide rail simple structure, easily manufactured, contact stiffness is high, the good surface friction drag of shock resistance is large, quick abrasion.Hydrodynamic lubrication can reduce the friction between guide rail well, improves the guide rail life-span.
Form hydrodynamic lubrication and must possess three conditions: the lubricant oil of the oil sac shrinking gradually along moving direction stop surface, certain speed of related movement and certain viscosity.The hydrodynamic lubrication equation of fluid, as the formula (1).By increasing the wedge shape convergence gap between quiet guide rail and moving guide rail, can improve the operating conditions of guide rail, improve wear resistance and the lubrication effect of guide rail.
In formula (1), the coordinate of x-speed U direction; Y-speed V direction coordinate; ; H-oil slick thickness; P-oil film pressure; ρ-lubricant oil density; η-lubricant oil kinetic viscosity; w
h-w
0for normal direction extrusion speed; φ
xwith φ
ybe respectively the pressure flow factor of x direction and y direction; φ
uxfor the shear flow factor of x direction; φ
uyfor the shear flow factor of y direction.
Summary of the invention
In order to solve, surface friction drag in background technique is large, the problem of quick abrasion, the purpose of this utility model is to provide a kind of slide guide that can produce distributed heat wedge shape hydrodynamic lubrication, on quiet guide rail, be processed with equally distributed circular hole, the cylindrical body that thermal expansion coefficient and heat conductivity are larger is housed in hole, on the quiet guide rail matrix surface matching with moving guide rail and periphery, is coated with the slide guide of the wear-resisting soft material of one deck.
The technical solution adopted in the utility model is:
The utility model comprises moving guide rail and quiet guide rail; On the quiet guide rail matrix matching with moving guide rail, have equally distributed and measure-alike circular hole, measure-alike cylindrical body is all housed in each circular hole, on the quiet guide rail matrix surface matching with moving guide rail and periphery, is all coated with the soft material that one deck is wear-resisting.
Described measure-alike circular hole is parallel along many, quiet rail length direction, equidistantly arranges.
Described moving guide rail and quiet guide rail are rectangular guideway, V-type rail or dovetail groove guide rail.
The material of described quiet guide rail matrix is cast iron or carbon steel, and described soft material is Babbitt solid lubricant or teflon solid lubricant.
Described cylindrical body adopts the brass with larger thermal expansion coefficient and heat conductivity, is HFe59-1-1, HSn62-1 or HSn60-1; Cylinder diameter 5～20mm, height 10～20mm.
The beneficial effect the utlity model has is:
1, the cylindrical body expanded by heating in slide guide working procedure in quiet guide rail matrix circular hole, the soft material of extruding matrix surface, make its surface produce projection, form wedge shape convergence gap with moving guide rail surface, thereby make to form elastic hydrodynamic lubrication oil film between moving guide rail and quiet guide rail, reduce fretting wear, improve guide rail working life.
2, because soft material is easily out of shape, the dynamic pressure oil film of moving guide rail between quiet guide rail will be in elastic hydrodynamic lubrication state, and lubrication effect is obvious, and guide rail wear resistance is good.
3, guide rail can form distributed wedge shape convergence gap, and overall hydrodynamic lubrication effect improves, and wear resistance improves.
4, the wedge shape convergence gap energy Bidirectional lubricating forming between two guide rails, can realize hydrodynamic lubrication while making guide rail to-and-fro motion.
The utility model can be used for slide guide bearing capacity and the higher occasion of lubrication effect.For example, heavy duty guide rail or be difficult for lubricated guide rail.
Accompanying drawing explanation
Fig. 1 is the overall schematic of distributed heat wedge shape hydrodynamic lubrication guide rail.
Fig. 2 is a kind of rectangular guideway structural drawing with distributed heat wedge shape hydrodynamic lubrication.
Fig. 3 is a kind of V-type rail structural drawing with distributed heat wedge shape hydrodynamic lubrication.
Fig. 4 is a kind of dovetail groove guide rail structure figure with distributed heat wedge shape hydrodynamic lubrication.
In figure 1, moving guide rail, 2, quiet guide rail, 3, lubricant oil, 4, wear-resisting soft material, 5, cylindrical body.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, when the utility model makes slide guide work, quiet guide rail surface produces a lot of projections, between projection and projection, forms multiple convergences gap between protruding and moving guide rail surface.
As shown in Figure 2, be a kind of rectangular guideway structural drawing with distributed heat wedge shape hydrodynamic lubrication.The utility model comprises moving guide rail 1 and quiet guide rail 2; On quiet guide rail 2 matrixes that match with moving guide rail 1, have equally distributed and measure-alike circular hole, the cylindrical body 5 that measure-alike thermal expansion coefficient and heat conductivity are larger is all housed in each circular hole, on the quiet guide rail matrix surface matching with moving guide rail and periphery, be all coated with the soft material 4 that one deck is wear-resisting, between moving guide rail 1 and quiet guide rail 2, be filled with lubricant oil 3.
Described measure-alike circular hole is parallel along many, quiet rail length direction, equidistantly arranges.
Described moving guide rail and quiet guide rail are rectangular guideway, V-type rail or dovetail groove guide rail.
The material of described quiet guide rail matrix is cast iron or carbon steel etc., and described soft material is Babbitt solid lubricant or teflon solid lubricant.The material of moving guide rail is carbon alloy, carbon steel etc.
Described cylindrical body adopts the brass with larger thermal expansion coefficient and heat conductivity, as HFe59-1-1, HSn62-1 or HSn60-1 etc., and cylinder diameter 5～20mm, height 10～20mm.
As shown in Figure 2, the utility model is applied on the quiet guide rail of spill of rectangle slide guide, and corresponding is the moving guide rail of convex of rectangle slide guide.
As shown in Figure 3, the utility model is applied on the quiet guide rail of spill of triangle slide guide, and corresponding is the moving guide rail of convex of triangle slide guide.
As shown in Figure 4, the utility model is applied on the quiet guide rail of spill of swallow-tail form slide guide, and corresponding is the moving guide rail of convex of swallow-tail form slide guide.
Working principle of the present utility model is:
The heats such as the frictional heat producing when slide guide work are delivered to the cylindrical body 5 in quiet guide rail 2 matrix circular holes, make its expanded by heating, because cylindrical body 5 has larger thermal expansion coefficient and heat conductivity, and there is good intensity, its axial expansion pushes wear-resisting soft material 4, make wear-resisting soft material surface produce projection, protruding and moving guide rail surface forms wedge shape convergence gap, between gap, be full of lubricant oil 3, again due to the relative movement between moving guide rail and quiet guide rail, thereby form hydrodynamic lubrication, reduced the friction between guide rail, improved guide rail working life.
Above-mentioned embodiment is used for the utility model of explaining; rather than the utility model is limited; in the protection domain of spirit of the present utility model and claim, any modification and change that the utility model is made, all fall into protection domain of the present utility model.
Claims (5)
1. the slide guide that can produce distributed heat wedge shape hydrodynamic lubrication, is characterized in that: comprise moving guide rail and quiet guide rail; On the quiet guide rail matrix matching with moving guide rail, have equally distributed and measure-alike circular hole, measure-alike cylindrical body is all housed in each circular hole, on the quiet guide rail matrix surface matching with moving guide rail and periphery, is all coated with the soft material that one deck is wear-resisting.
2. a kind of slide guide that can produce distributed heat wedge shape hydrodynamic lubrication according to claim 1, is characterized in that: described measure-alike circular hole is parallel along many, quiet rail length direction, equidistantly arranges.
3. a kind of slide guide that can produce distributed heat wedge shape hydrodynamic lubrication according to claim 1, is characterized in that: described moving guide rail and quiet guide rail are rectangular guideway, V-type rail or dovetail groove guide rail.
4. a kind of slide guide that can produce distributed heat wedge shape hydrodynamic lubrication according to claim 1, it is characterized in that: the material of described quiet guide rail matrix is cast iron or carbon steel, described soft material is Babbitt solid lubricant or teflon solid lubricant.
5. a kind of slide guide that can produce distributed heat wedge shape hydrodynamic lubrication according to claim 1, is characterized in that: described cylindrical body adopts the brass with larger thermal expansion coefficient and heat conductivity, is HFe59-1-1, HSn62-1 or HSn60-1; Cylinder diameter 5 ~ 20mm, height 10 ~ 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806625.8U CN203627529U (en) | 2013-12-09 | 2013-12-09 | Sliding guide rail capable of generating distributed heat to achieve wedge-shaped dynamic-pressure lubrication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806625.8U CN203627529U (en) | 2013-12-09 | 2013-12-09 | Sliding guide rail capable of generating distributed heat to achieve wedge-shaped dynamic-pressure lubrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627529U true CN203627529U (en) | 2014-06-04 |
Family
ID=50814012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320806625.8U Expired - Fee Related CN203627529U (en) | 2013-12-09 | 2013-12-09 | Sliding guide rail capable of generating distributed heat to achieve wedge-shaped dynamic-pressure lubrication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627529U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671510A (en) * | 2013-12-09 | 2014-03-26 | 浙江大学 | Sliding guide rail capable of generating distributed hot wedge hydrodynamic lubrication |
| CN107763072A (en) * | 2016-08-19 | 2018-03-06 | 马勒国际有限公司 | Slide unit and method |
-
2013
- 2013-12-09 CN CN201320806625.8U patent/CN203627529U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671510A (en) * | 2013-12-09 | 2014-03-26 | 浙江大学 | Sliding guide rail capable of generating distributed hot wedge hydrodynamic lubrication |
| CN107763072A (en) * | 2016-08-19 | 2018-03-06 | 马勒国际有限公司 | Slide unit and method |
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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: 20140604 Termination date: 20171209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |