CN204209514U - Ram hydrostatic slideway static pressure compensation mechanism - Google Patents
Ram hydrostatic slideway static pressure compensation mechanism Download PDFInfo
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- CN204209514U CN204209514U CN201420656801.9U CN201420656801U CN204209514U CN 204209514 U CN204209514 U CN 204209514U CN 201420656801 U CN201420656801 U CN 201420656801U CN 204209514 U CN204209514 U CN 204209514U
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- reducing valve
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Abstract
The utility model discloses a kind of ram hydrostatic slideway static pressure compensation mechanism, be provided with main spindle box and ram, described main spindle box constant voltage static pressure compensation oil pocket and ram on ram gib are slidably connected, described constant voltage static pressure compensation oil pocket is connected with hydraulic power source through carrying out oil pipe line, described come oil pipe line be provided with pressure-reducing valve, it is characterized in that being provided with precompensation static-pressure oil chamber on the downside of the corresponding ram in described main spindle box front end, post-compensation static-pressure oil chamber is provided with on the upside of the corresponding ram in rear end, the oil pipe line that comes of described ram hydrostatic slideway is provided with electro-hydraulic proportional reducing valve, described electro-hydraulic proportional reducing valve and pressure-reducing valve are connected in parallel on substrate, the utility model is owing to adopting said structure, have rational in infrastructure, bidirectional compensating precision is high, reliable, easy for installation, be convenient to adjustment, be easy to ensure the advantages such as machine ram straight-line feed precision.
Description
Technical field
The utility model relates to large-size numerical control machine field, specifically a kind of ram hydrostatic slideway static pressure compensation mechanism being applied to large heavy type numerical control floor type boring and milling machine.
Background technology
In recent years, along with China's Aero-Space, military project, boats and ships, the develop rapidly of the industries such as wind-powered electricity generation nuclear power, require more and more higher to part processing precision, and this kind of large heavy high-speed precision finishing machine of numerical control landing milling process bed is indispensable important process process equipment in above-mentioned industry, high-precision to this type of lathe, high speeds etc. require also day by day to improve, high-precision lathe is except the relevant assembly technology of requirement on machining accuracy and raising that need improve machine tool element requires, the accuracy compensation of lathe is also need emphatically to improve, ram linear precision is the important indicator improving machine tool accuracy, it is balanced compensated that present machine tool accuracy compensates the main main spindle box that adopts, ram pull bar compensates, the mode that installation accessories compensates.In order to improve precision and the reliability of compensation, the above basis compensated increasing ram hydrostatic slideway static pressure compensation mechanism and improves and improve the linearity requirement of ram feeding.
In order to improve ram feeding linear precision, ensureing compensation precision and reliability, the invention provides a kind of ram hydrostatic slideway static pressure compensation mechanism form.
Summary of the invention
The purpose of this utility model solves above-mentioned the deficiencies in the prior art, provide a kind of rational in infrastructure, bidirectional compensating precision is high, reliable, easy for installation, be convenient to adjust, be easy to ensure the ram hydrostatic slideway static pressure compensation mechanism of machine ram straight-line feed precision.
The utility model solves the technical scheme that its technical problem adopts:
A kind of ram hydrostatic slideway static pressure compensation mechanism, be provided with main spindle box and ram, described main spindle box constant voltage static pressure compensation oil pocket and ram on ram gib are slidably connected, described constant voltage static pressure compensation oil pocket is connected with hydraulic power source through carrying out oil pipe line, described come oil pipe line be provided with pressure-reducing valve, it is characterized in that being provided with precompensation static-pressure oil chamber on the downside of the corresponding ram in described main spindle box front end, post-compensation static-pressure oil chamber is provided with on the upside of the corresponding ram in rear end, the oil pipe line that comes of described ram hydrostatic slideway is provided with electro-hydraulic proportional reducing valve, described electro-hydraulic proportional reducing valve and pressure-reducing valve are connected in parallel on substrate, the flow of output hydraulic pressure oil is accurately controlled by electric proportion electro-magnet and pressure carrys out compensating static oil pocket pressure by electro-hydraulic proportional reducing valve, and according to ram extension elongation and install different function accessories and apply different pressure, reach the effect of the linear precision ensureing ram feeding.
Electro-hydraulic proportional reducing valve described in the utility model adopts digital servo electrohydraulic proportional pressure-reducing valve, is beneficial to the function realizing control and fine compensation automatically.
The utility model described, oil pipe line can be provided with static pressure compensation Pressure gauge, is beneficial to the oil pressure of real-time hydraulic control oil.
The utility model owing to adopting said structure, have rational in infrastructure, bidirectional compensating precision is high, reliable, easy for installation, be convenient to adjustment, be easy to ensure the advantages such as machine ram straight-line feed precision.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the utility model main spindle box.
Fig. 2 is the structure schematic diagram of the utility model main spindle box.
Fig. 3 is static pressure compensation schematic diagram of the present utility model.
Fig. 4 is the forward and backward curve map of ram slope compensation that the utility model and prior art draw after multiple stage debugging compensates.
Reference numeral: main spindle box 1, ram 2.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As shown in drawings, a kind of ram hydrostatic slideway static pressure compensation mechanism, be provided with main spindle box 1 and ram 2, described main spindle box 1 constant voltage static pressure compensation oil pocket and ram 2 on ram gib are slidably connected, described constant voltage static pressure compensation oil pocket is connected with hydraulic power source through carrying out oil pipe line, described come oil pipe line be provided with pressure-reducing valve, it is characterized in that being provided with precompensation static-pressure oil chamber 3 on the downside of the corresponding ram in described main spindle box 1 front end, post-compensation static-pressure oil chamber 4 is provided with on the upside of the corresponding ram in rear end, the oil pipe line that comes of described ram hydrostatic slideway is provided with electro-hydraulic proportional valve, described electro-hydraulic proportional valve and pressure-reducing valve are connected in parallel on substrate, the flow of output hydraulic pressure oil is accurately controlled by electric proportion electro-magnet and pressure carrys out compensating static oil pocket pressure by electro-hydraulic proportional valve, and according to ram extension elongation and install different function accessories and apply different pressure, reach the effect of the linear precision ensureing ram feeding.
Electro-hydraulic proportional valve described in the utility model adopts Digital Servo Electric Hydraulic Proportion Valve, is beneficial to the function realizing control and fine compensation automatically.
The utility model described, oil pipe line can be provided with static pressure compensation Pressure gauge 5, is beneficial to the oil pressure of real-time hydraulic control oil.
Embodiment: the utility model operationally, enter in MMC-01-2 substrate from hydrostatic slideway hydraulic oil in system, enter in YV10 electro-hydraulic proportional valve and J6 pressure-reducing valve more respectively, entered in each constant voltage static-pressure oil chamber of the constant voltage static pressure compensation of slide rail guide rail by the hydraulic oil in J6 pressure-reducing valve, by the hydraulic oil in YV10 electro-hydraulic proportional valve according to ram feeding length, the flow of output hydraulic pressure oil is accurately controlled and pressure enters 20.3 of ram front lower portion and ram upper rear end by the function amplifier passing ratio electromagnet of digital SERVO CONTROL electro-hydraulic proportional valve, 21.3 and 15.3.16.3 compensate oil pocket. and drive electro-hydraulic proportional valve to adjust the pressure of each oil pocket by electrical system, reach the linear precision requirement that ram requires in total travel.Accompanying drawing 2 be prior art and the utility model on-the-spot through multiple stage debug compensate after the curve map of ram slope compensation that draws.
The utility model owing to adopting said structure, have rational in infrastructure, bidirectional compensating precision is high, reliable, easy for installation, be convenient to adjustment, be easy to ensure the advantages such as machine ram straight-line feed precision.
Claims (3)
1. a ram hydrostatic slideway static pressure compensation mechanism, be provided with main spindle box and ram, described main spindle box constant voltage static pressure compensation oil pocket and ram on ram gib are slidably connected, described constant voltage static pressure compensation oil pocket is connected with hydraulic power source through carrying out oil pipe line, described come oil pipe line be provided with pressure-reducing valve, it is characterized in that being provided with precompensation static-pressure oil chamber on the downside of the corresponding ram in described main spindle box front end, post-compensation static-pressure oil chamber is provided with on the upside of the corresponding ram in rear end, the oil pipe line that comes of described ram hydrostatic slideway is provided with electro-hydraulic proportional reducing valve, described electro-hydraulic proportional reducing valve and pressure-reducing valve are connected in parallel on substrate.
2. a kind of ram hydrostatic slideway static pressure compensation mechanism according to claim 1, is characterized in that described electro-hydraulic proportional reducing valve adopts digital servo electrohydraulic proportional pressure-reducing valve.
3. a kind of ram hydrostatic slideway static pressure compensation mechanism according to claim 1, it is characterized in that described come oil pipe line be provided with static pressure compensation Pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656801.9U CN204209514U (en) | 2014-11-06 | 2014-11-06 | Ram hydrostatic slideway static pressure compensation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656801.9U CN204209514U (en) | 2014-11-06 | 2014-11-06 | Ram hydrostatic slideway static pressure compensation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204209514U true CN204209514U (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420656801.9U Expired - Fee Related CN204209514U (en) | 2014-11-06 | 2014-11-06 | Ram hydrostatic slideway static pressure compensation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204209514U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414508A (en) * | 2017-09-23 | 2017-12-01 | 芜湖恒升重型机床股份有限公司 | A kind of numerical control floor boring boring machine structure |
| CN109129005A (en) * | 2018-09-26 | 2019-01-04 | 北京北机床股份有限公司 | A kind of hydrostatic slideway finely compensates ram and boring axis winding degree precision compensation method |
| CN115284075A (en) * | 2022-09-28 | 2022-11-04 | 山东豪迈机械科技股份有限公司 | Machine tool static pressure cavity pressure detection compensation device and numerical control machine tool |
-
2014
- 2014-11-06 CN CN201420656801.9U patent/CN204209514U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414508A (en) * | 2017-09-23 | 2017-12-01 | 芜湖恒升重型机床股份有限公司 | A kind of numerical control floor boring boring machine structure |
| CN109129005A (en) * | 2018-09-26 | 2019-01-04 | 北京北机床股份有限公司 | A kind of hydrostatic slideway finely compensates ram and boring axis winding degree precision compensation method |
| CN115284075A (en) * | 2022-09-28 | 2022-11-04 | 山东豪迈机械科技股份有限公司 | Machine tool static pressure cavity pressure detection compensation device and numerical control machine tool |
| CN115284075B (en) * | 2022-09-28 | 2023-01-31 | 山东豪迈机械科技股份有限公司 | Machine tool static pressure cavity pressure detection compensation device and numerical control machine tool |
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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: 20150318 Termination date: 20181106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |