CN208514059U - A kind of vertical liquid hydrostatic slideway servo feed system - Google Patents
A kind of vertical liquid hydrostatic slideway servo feed system Download PDFInfo
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- CN208514059U CN208514059U CN201821277138.6U CN201821277138U CN208514059U CN 208514059 U CN208514059 U CN 208514059U CN 201821277138 U CN201821277138 U CN 201821277138U CN 208514059 U CN208514059 U CN 208514059U
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- hydrostatic slideway
- vertical liquid
- liquid hydrostatic
- feed system
- top shoe
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Abstract
The utility model discloses a kind of vertical liquid hydrostatic slideway servo feed systems, are mainly made of vertical liquid hydrostatic slideway component, compensating cylinder, oil collection box, Feed servo system component, high precision position feedback device；Vertical liquid hydrostatic slideway component includes guiderail base, two side rails, upper rail, two pieces of side slides, top shoe, workbench and flow controller.The utility model is supported using hydrostatic slideway, is taken full advantage of hydrostatic bearing Panel-corrected Model, can be obtained very high motion straightness, while having good rigidity and damping characteristic；With feedback element with high precision, very high positioning accuracy and repetitive positioning accuracy can be obtained.The servo-system has very high running precision, can be applied to various high-performance numerical control lathes, super-precision machine tools vertical feed axis.
Description
Technical field
The utility model relates to a kind of vertical liquid hydrostatic slideway servo feed systems, and in particular to a kind of high-performance numerical control
Lathe, super-precision machine tools high-precision vertical hydrostatic slideway servo-system.
Background technique
High-precision liquid static pressure vertical rail servo-system relevant to the application, is mainly used for high-performance metal-cutting machine
Bed (the accurate machine tool of such as high-precision vertical lathe, vertical grinder, horizontal boring and milling machine), super-precision machine tools, ultraprecise detection
Instrument.
Vertical type servo feed system mostly uses linear guides as servo feed system supporting system, this mode by
The limitation of linear wire precision itself, servo feed system motion straightness is limited, meanwhile, linear guides roll member using steel
Part, vibration is big, influences machine tooling surface quality, while rolling friction system is larger, calorific value is big, and it is integrally hot to influence lathe
Characteristic；Simultaneously because linear guides use rolling element, friction is big in servo feed system motion process, and precision stability is opposite
It is poor.
Slide rail is another common support pattern of vertical type servo feed system, this mode low precision, friction hair
Hot big, abrasion is serious, and precision stability is poor, while there are creeping phenomenons when the operation of servo feed system low speed.Be not suitable for high property
It can numerically-controlled machine tool and super-precision machine tools.
Static pressure ram is a kind of mode of vertical type servo feed system, but ram will extend this mode during the motion
Static pressure chamber is unfavorable for the cleaning of static-pressure system, is architectural limitation simultaneously so that ram static pressure face Naked exposes outside, so that ram ruler
It is very little limited, but also its rigidity is limited.
Utility model content
The purpose of this utility model is that: a kind of vertical liquid hydrostatic slideway servo feed system is provided, it is quiet using liquid
Guide rail is pressed, very high motion straightness can be obtained, with feedback light grid with high precision, very high positioning accuracy can be obtained and repeat to determine
Position precision.The servo-system has very high running precision, can be applied to various high-performance numerical control lathes, Ultra-precision Turning machine
Bed vertical feed axis.
The purpose of this utility model is implemented with the following technical solutions: a kind of vertical liquid hydrostatic slideway servo feed system
System, mainly by vertical liquid hydrostatic slideway component, compensating cylinder, oil collection box, Feed servo system component, high precision position feedback device group
At；Vertical liquid hydrostatic slideway component includes guiderail base, two side rails, upper rail, two pieces of side slides, top shoe, work
Platform and flow controller, two side rails are symmetrically mounted on the base, and upper rail is mounted on side rails, side slide or so pair
Claim be mounted on guiderail base, side rails, upper rail formed it is intracavitary；Top shoe is mounted between two side rails in left and right, workbench
It is connected by screw with left and right side slide, top shoe, left and right two pieces of side slides, top shoes are provided with static-pressure oil chamber；Motor stator peace
On guiderail base, electric mover is mounted on top shoe bottom surface.
Preferably, left and right symmetrical inside oil baffle is installed on the inside of guide assembly, inside oil baffle passes through with top shoe
Screw is connected, and outside oil baffle is equipped on the outside of guide assembly, and outside oil baffle is mounted on the base by screw.
Preferably, the guide assembly lower part is equipped with oil collection box, and oil collection box is connected with guiderail base.
Preferably, there are two compensating cylinders, left and right compensating cylinder cylinder body to be mounted on guiderail base for installation on pedestal, piston
It is connected with guide rail bench.
Preferably, the high precision position feedback device, can be linear grating ruler or rotary encoder or straight line
Grating scale cooperates rotary encoder.
The utility model guiderail base oil film face, side rails oil film face, upper rail oil film face collectively constitute in the horizontal plane
Two orthogonal aspects it is force-closed.
Feed drive system can be linear motor driving, can be servo motor and add shaft coupling that ball-screw is added to drive.
Flow controller can be orifice restriction, capillary-compensated, film feedback-throttling, slide valve feedback throttle, crevice throttle etc.
Flow controller.
The utility model is supported using hydrostatic slideway, takes full advantage of hydrostatic bearing Panel-corrected Model, energy
Very high motion straightness is obtained, while there is good rigidity and damping characteristic；With feedback element with high precision, can obtain very
High positioning accuracy and repetitive positioning accuracy.The servo-system has very high running precision, can be applied to various high-performance
Numerically-controlled machine tool, super-precision machine tools vertical feed axis.
Detailed description of the invention
Fig. 1 is a kind of vertical liquid hydrostatic slideway servo feed system sectional view of the utility model embodiment.
Fig. 2 is a kind of vertical liquid hydrostatic slideway servo feed system main view of the utility model embodiment.
Specific embodiment
Technical solutions of the utility model are discussed in detail with reference to the accompanying drawing.
As shown in Figure 1, 2, the utility model discloses a kind of vertical liquid hydrostatic slideway servo feed system structures, it leads
It will be by pedestal 1, outside oil baffle 2, outer casing 3, side slide 4, side rails 5, upper rail 6, workbench 7, top shoe 8, grating scale
Ontology 9, grating ruler reading head 10, inside oil baffle 11 balance the cylinder piston mounting base 12, balance 13 cylinders, balance cylinder block mounting base
14, oil collection box 15, linear motor rotor 16, the equal composition of linear motor rotor 17.
Vertical liquid hydrostatic slideway component is by left and right each one of pedestal 1, side rails 5(), upper rail 6, side slide 4(are left,
Right each one piece), top shoe 8, workbench 7, flow controller composition.Two side rails 5 are symmetrically mounted at bottom Cuo upper 1, and upper rail 6 is pacified
On side rails 5, side slide 4 be left and right symmetrically arranged guiderail base, side rails, upper rail formed it is intracavitary；Top shoe 8 is pacified
Between two upper rails 6 in left and right, workbench 7 is connected by screw with left and right side sliding block 4, top shoe 8, left and right two pieces of sideslips
Block 4, top shoe 8 are provided with static-pressure oil chamber, and static pressure oil, which passes through, enters left and right side sliding block, the static-pressure oil chamber in top shoe after flow controller,
And carrying oil film face is formed to bear external applied load.
Left and right symmetrical inside oil baffle 11 is installed, inside oil baffle 11 and top shoe 8 pass through spiral shell on the inside of guide assembly
Nail is connected, and outside oil baffle 2 is equipped on the outside of guide assembly, and outside oil baffle 2 is mounted on pedestal 1 by screw, guide rail group
Part lower part is equipped with oil collection box 15, and oil collection box lower part can flow back to fuel tank by connector equipped with connector inside oil collection box.
Balance cylinder block mounting base 14 is installed on pedestal, and balances the cylinder piston mounting base 12 and is connected with workbench, compensating cylinder
13 or so each one, cylinder body is connected with balance cylinder block mounting base 14, and piston is connected with balance the cylinder piston mounting base, servo into
When moving up and down to system, compensating cylinder 13 can balance feed system moving parts weight.
Linear motor stator electric 17 is mounted in the groove among pedestal 1, and linear motor rotor 16 is connected with top shoe 8.Light
Grid ruler ruler body 9 is mounted in the groove among pedestal 1, and grating ruler reading head 10 is connected with top shoe, when this servo feed system
When work, motor is moved up and down by electric mover band movable slider and workbench, and grating scale collecting work platform real time position is realized
High precision position control.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of vertical liquid hydrostatic slideway servo feed system, which is characterized in that mainly by vertical liquid hydrostatic slideway component,
Compensating cylinder, oil collection box, Feed servo system component, high precision position feedback device composition；Vertical liquid hydrostatic slideway component includes leading
Rail bottom seat, two side rails, upper rail, two pieces of side slides, top shoe, workbench and flow controller, two side rails bilateral symmetries
Ground is mounted on the base, and upper rail is mounted on side rails, side slide be left and right symmetrically arranged guiderail base, side rails, on lead
Rail is formed intracavitary；Top shoe is mounted between two side rails in left and right, and workbench passes through screw and left and right side slide, top shoe phase
Even, two pieces of side slides, top shoes of left and right are provided with static-pressure oil chamber；Motor stator is mounted on guiderail base, and electric mover is mounted on
Top shoe bottom surface.
2. vertical liquid hydrostatic slideway servo feed system according to claim 1, which is characterized in that peace on the inside of guide assembly
Equipped with left and right symmetrical inside oil baffle, inside oil baffle is connected with top shoe by screw, is equipped on the outside of guide assembly outer
Side block oiled-plate method, outside oil baffle are mounted on the base by screw.
3. vertical liquid hydrostatic slideway servo feed system according to claim 1, which is characterized in that under the guide assembly
Portion is equipped with oil collection box, and oil collection box is connected with guiderail base.
4. vertical liquid hydrostatic slideway servo feed system according to claim 1, which is characterized in that be equipped with two on pedestal
A compensating cylinder, left and right compensating cylinder cylinder body are mounted on guiderail base, and piston is connected with guide rail bench.
5. vertical liquid hydrostatic slideway servo feed system according to claim 1, which is characterized in that the high precision position
Feedback device can be linear grating ruler or rotary encoder or linear grating ruler cooperation rotary encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277138.6U CN208514059U (en) | 2018-08-09 | 2018-08-09 | A kind of vertical liquid hydrostatic slideway servo feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277138.6U CN208514059U (en) | 2018-08-09 | 2018-08-09 | A kind of vertical liquid hydrostatic slideway servo feed system |
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| Publication Number | Publication Date |
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| CN208514059U true CN208514059U (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821277138.6U Active CN208514059U (en) | 2018-08-09 | 2018-08-09 | A kind of vertical liquid hydrostatic slideway servo feed system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817993A (en) * | 2018-08-09 | 2018-11-16 | 中国工程物理研究院机械制造工艺研究所 | A kind of vertical liquid hydrostatic slideway servo feed system |
-
2018
- 2018-08-09 CN CN201821277138.6U patent/CN208514059U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817993A (en) * | 2018-08-09 | 2018-11-16 | 中国工程物理研究院机械制造工艺研究所 | A kind of vertical liquid hydrostatic slideway servo feed system |
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