CN205673864U - Vertical static-pressure guide device - Google Patents
Vertical static-pressure guide device Download PDFInfo
- Publication number
- CN205673864U CN205673864U CN201620337863.2U CN201620337863U CN205673864U CN 205673864 U CN205673864 U CN 205673864U CN 201620337863 U CN201620337863 U CN 201620337863U CN 205673864 U CN205673864 U CN 205673864U
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- Prior art keywords
- oil
- slide unit
- rail
- axis
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Abstract
The utility model is a kind of vertical static-pressure guide device.Including Z axis slide unit, oil drain pan, fromer rail, side rails, rear rail, Y-axis pedestal, oil sealing, slide unit, prop up bracer, wherein prop up bracer and be arranged on one end of Z axis slide unit, Y-axis pedestal is arranged on a bracer, oil drain pan is arranged on the other end of Z axis slide unit, hold and the oil that guide rail overflows back is flowed back to fuel tank, two pieces of fromer rails are arranged on the both sides of oil drain pan, two pieces of rear rails are also mounted on oil drain pan, and the end contact with Y-axis pedestal, two pieces of side rails are installed between fromer rail and rear rail, slide unit is also installed between fromer rail and rear rail, and be positioned between two pieces of side rails, form enclosed construction hydrostatic slideway, two oil sealings are arranged on the upper end of slide unit, realize joining oil to each oil pocket of slide unit.The utility model frictional force rigidity little, high, high guiding accuracy, bearing capacity is big.
Description
Technical field
The utility model is a kind of vertical static-pressure guide device, belongs to the innovative technology of vertical static-pressure guide device.
Background technology
Ultra-precision machine tool is the primary basic condition realizing Ultra-precision Turning, and track segment is the pass in ultra-precision machine tool
Key member, its performance has been largely fixed the precision of ultra-precision machine tool.Current domestic vertical Y-axis guide rail mainly has slip to lead
Rail and line slideway two kinds are as guiding mechanism, and frictional force is big, and guiding accuracy is low, limits the development of Ultra-precision CNC Machine.
Hydrostatic slideway is divided into open type and enclosed two class, is mainly used in ultraprecise equipment technology.Precision and nanotechnolgy
Development directly affect the development of national defense industry and civilian industry, each power of the world has all been carried out greatly in Ultra-precision Turning field
Quantity research simultaneously achieves a large amount of achievement.
Content of the invention
The purpose of this utility model is to consider that the problems referred to above provide a kind of frictional force rigidity little, high, high guiding accuracy,
The big vertical static-pressure guide device of bearing capacity.
The technical solution of the utility model is: vertical static-pressure guide device of the present utility model, including Z axis slide unit, connect oil
Dish, fromer rail, side rails, rear rail, Y-axis pedestal, oil sealing, slide unit, a bracer, wherein prop up bracer and be arranged on the one of Z axis slide unit
End, Y-axis pedestal is arranged on a bracer, and oil drain pan is arranged on the other end of Z axis slide unit, holds and is flowed back to oil by the oil that guide rail overflows back
Case, two pieces of fromer rails are arranged on the both sides of oil drain pan, and two pieces of rear rails are also mounted on oil drain pan and the end face with Y-axis pedestal
Contact, two pieces of side rails are installed between fromer rail and rear rail, and slide unit is also installed between fromer rail and rear rail and is positioned at
Between two pieces of side rails, formed enclosed construction hydrostatic slideway, two oil sealings are arranged on the upper end of slide unit, it is achieved give slide unit each
Oil pocket joins oil.
The vertical hydrostatic slideway of the utility model uses overall square structure, compact conformation, it is simple to coordinate joining of gap, face
Mill, it is easy to ensure required precision.In addition, the vertical hydrostatic slideway of the utility model solves Leakage, oil drain pan is held from quiet
Pressure guide rail coordinates the hydraulic oil that gap, face overflows, and recycle stream oil return box.Additionally, the vertical hydrostatic slideway of the utility model exists
Upper and lower, side slid platform is respectively arranged with oil unloading trough, it is ensured that hydraulic oil is drained after guide clearance outflow in time.When discharge capacity is excessive,
Avoid the occurrence of stifled oily and upper and lower, side rails to contact with each other face oil leakage phenomenon.Due to the structure using, the utility model is vertical quiet
Pressure guide rail have employed hydrodynamic lubrication technology, has frictional force rigidity little, high, high guiding accuracy, and bearing capacity is big.Can be applicable to surpass
Precision machine tool Y-axis, improves ultra-precision machine tool Y-axis geometric accuracy, plays positive role to the development promoting ultraprecise equipment technology.
The utility model is that a kind of design is ingenious, function admirable, and convenient and practical vertical static-pressure guide device can apply to ultraprecise
The Y-axis of Digit Control Machine Tool.
Brief description
Fig. 1 is stereogram of the present utility model；
Fig. 2 is the assembling front view of the fromer rail in Fig. 1, side rails, rear rail, oil sealing, slide unit；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the A-A sectional view in Fig. 2；
Fig. 5 is the partial enlarged drawing in Fig. 4 at A；
Fig. 6 is the partial sectional view after oil sealing of the present utility model assembles with slide unit；
Fig. 7 is the structural representation of flow controller in Fig. 6.
Detailed description of the invention
Embodiment:
Structural representation of the present utility model as shown in Figure 1,2,3, 4, vertical static-pressure guide device of the present utility model, bag
Include Z axis slide unit the 1st, oil drain pan the 2nd, fromer rail the 3rd, side rails the 4th, rear rail the 5th, Y-axis pedestal the 6th, oil sealing the 7th, slide unit and the 8th, prop up bracer 9, wherein
Propping up bracer 9 and being arranged on one end of Z axis slide unit 1, Y-axis pedestal 6 is arranged on a bracer 9, and oil drain pan 2 is arranged on the another of Z axis slide unit 1
One end, holds and is flowed back to fuel tank by the oil that guide rail overflows back, and two pieces of fromer rails 3 are arranged on the both sides of oil drain pan 2, and two pieces of rear rails 5 are also
Being arranged on the end contact on oil drain pan 2 and with Y-axis pedestal 6, two pieces of side rails 4 are installed between fromer rail 3 and rear rail 5,
Slide unit 8 is also installed between fromer rail 3 and rear rail 5 and is positioned between two pieces of side rails 4, forms enclosed construction static pressure and leads
Rail, two oil sealings 7 are arranged on the upper end of slide unit 8, it is achieved join functional oil to each oil pocket of slide unit.
It in the present embodiment, between above-mentioned side rails 4 and slide unit 8, is provided with oil unloading trough 14 and oil unloading trough 16, side rails 4 and cunning
It is additionally provided with side oil pocket 15, as shown in Figure 5 between platform 8.In addition, between rear rail 5 and slide unit 8, between fromer rail 3 and slide unit 8
It is respectively provided with oil unloading trough 12 and oil unloading trough 18, between fromer rail 3 and slide unit 8, be additionally provided with front oil pocket 17, rear rail 5 and slide unit
It is additionally provided with rear oil pocket 13, as shown in Figure 5 between 8.So each oil pocket periphery is provided with rational oil unloading trough, it is ensured that hydraulic pressure
Oil is drained after guide clearance flows out in time.Blocking is avoided to make hydraulic oil seepage at cooperation face between parts.
It in the present embodiment, between above-mentioned oil sealing 7 and slide unit 8, is provided with flow controller 11.
In the present embodiment, above-mentioned flow controller 11 is through type capillary restrictor.By adjusting the length of flow controller 11, just
The pressure of oil pocket can be regulated.Flow controller 11 end is machined with taper thread, plays sealing function.Capillary is arranged in oil sealing 7
Face, fluid is entered by the right-hand member oil circuit of oil sealing, is directly communicated to the oil pocket of slide unit after flow controller 11.
The utility model slide unit 8 upper end is connected with oil sealing by side edge, and hydraulic oil enters oil sealing and is divided into multichannel by capillary
After respectively enter the oil pocket of slide unit 8 side.Compact conformation is reasonable, and function is reliable.
The vertical hydrostatic slideway of the utility model have employed closed type structure, can effectively carry forward and reverse load, unbalance loading and
Disturbing moment；Bearing capacity can be improved；Use ultraprecise hydraulic SERVO CONTROL oil supply system, the hydraulic pressure of output constant-pressure stable
Oil, ensure that the rigidity of the steady of pressure and oil film fully.Use capillary restrictor 11, each oil pocket pressure can be automatically adjusted
To adapt to the change of external applied load.Hydraulic oil enters from the oil-in of oil sealing, respectively enterd after entering capillary slide unit forward and backward,
Side oil pocket, makes slide unit float, and upper and lower, side slid platform is respectively arranged with oil unloading trough, it is ensured that hydraulic oil is timely after guide clearance outflow
Drain.
On the utility model material, use cast iron；Rear rail is fixed on pedestal, and side rails is led after being fixed on fromer rail
On rail；Rear rail enters with the slide unit refining after using ultraprecise friction fine grinding with side rails, side rails with fromer rail contact surface
Row match grinding, has high linearity between cooperation face, it is ensured that coordinate the gap of face monolateral 1-2 micron.Slide unit is overall square,
Left and right end face and two sides processing annular oil cavity, compact conformation, convenient and left and right sides guide rail, front and back guide rail match grinding, easily ensure essence
Degree requires.
Vertical static-pressure guide device of the present utility model is provided with oil pocket in slide unit, is passed through certain pressure to slide unit oil pocket
Hydraulic oil, then forming oil film between slide unit and guide rail makes slide unit float, it is ensured that is in hydrodynamic lubrication state between guide pass, has friction
Power rigidity little, high, high kinematic accuracy, damping absorbing are good, the feature of life-span length, can be applicable to Ultra-precision CNC Machine Y-axis, carry
The geometric accuracy of the Y-axis of high Ultra-precision CNC Machine, devises oil drain pan device simultaneously, and hydrostatic slideway is coordinated the overflow of gap, face
Hydraulic oil collect smoothly and circulating reflux to fuel tank, solve Leakage.
Claims (4)
1. a vertical static-pressure guide device, it is characterised in that include that Z axis slide unit (1), oil drain pan (2), fromer rail (3), side are led
Rail (4), rear rail (5), Y-axis pedestal (6), oil sealing (7), slide unit (8), a bracer (9), wherein prop up bracer (9) and be arranged on Z axis cunning
One end of platform (1), Y-axis pedestal (6) is arranged on a bracer (9), and oil drain pan (2) is arranged on the other end of Z axis slide unit (1), torr
Living to be flowed back to fuel tank by the oil that guide rail overflows back, two pieces of fromer rails (3) are arranged on the both sides of oil drain pan (2), and two pieces of rear rails (5) are also pacified
Being contained on oil drain pan (2) and the end contact with Y-axis pedestal (6), two pieces of side rails (4) are installed in fromer rail (3) and rear rail
(5) between, slide unit (8) is also installed between fromer rail (3) and rear rail (5) and is positioned between two pieces of side rails (4), is formed
Enclosed construction hydrostatic slideway, two oil sealings (7) are arranged on the upper end of slide unit (8), it is achieved join oil to each oil pocket of slide unit.
2. vertical static-pressure guide device according to claim 1, it is characterised in that above-mentioned side rails (4) and slide unit (8) it
Between be provided with oil unloading trough, be additionally provided with side oil pocket between side rails (4) and slide unit (8), between rear rail (5) and slide unit (8), front
It is respectively provided with oil unloading trough between guide rail (3) and slide unit (8), between fromer rail (3) and slide unit (8), be additionally provided with front oil pocket, after
It is additionally provided with rear oil pocket between guide rail (5) and slide unit (8).
3. vertical static-pressure guide device according to claim 1 and 2, it is characterised in that above-mentioned oil sealing (7) and slide unit (8) it
Between be provided with flow controller (11).
4. vertical static-pressure guide device according to claim 3, it is characterised in that above-mentioned flow controller (11) is capillary section
Stream device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620337863.2U CN205673864U (en) | 2016-04-21 | 2016-04-21 | Vertical static-pressure guide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620337863.2U CN205673864U (en) | 2016-04-21 | 2016-04-21 | Vertical static-pressure guide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205673864U true CN205673864U (en) | 2016-11-09 |
Family
ID=57439612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620337863.2U Expired - Fee Related CN205673864U (en) | 2016-04-21 | 2016-04-21 | Vertical static-pressure guide device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205673864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773178A (en) * | 2016-04-21 | 2016-07-20 | 广东工业大学 | Vertical static-pressure guide rail and oil return device |
-
2016
- 2016-04-21 CN CN201620337863.2U patent/CN205673864U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773178A (en) * | 2016-04-21 | 2016-07-20 | 广东工业大学 | Vertical static-pressure guide rail and oil return 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 |
Granted publication date: 20161109 Termination date: 20190421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |