CN201960349U - Static pressure workbench - Google Patents
Static pressure workbench Download PDFInfo
- Publication number
- CN201960349U CN201960349U CN2011200277410U CN201120027741U CN201960349U CN 201960349 U CN201960349 U CN 201960349U CN 2011200277410 U CN2011200277410 U CN 2011200277410U CN 201120027741 U CN201120027741 U CN 201120027741U CN 201960349 U CN201960349 U CN 201960349U
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- oil
- oil return
- static pressure
- base
- workbench
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Abstract
The utility model discloses a static pressure workbench, which comprises a base, a workbench, a first annular oil return groove, a concave and annular static pressure oil cavity, a first annular oil baffle plate, a second annular oil return groove, oil return holes, a static pressure guide rail plate, an oil nozzle, a first oil distributor and a second oil distributor, wherein the base is provided with a center shaft hole, and a principal shaft is arranged in the center shaft hole; the workbench is arranged on the base through the principal shaft; the first annular oil return groove is arranged on the upper end face of the base, and the inner side wall of the groove is provided with hole grooves along a circumferential direction; the concave and annular static pressure oil cavity is further arranged on the upper end face of the base, and counter holes are arranged at the bottom surface of the static pressure oil cavity and are communicated with hole grooves of the first oil return groove; the first annular oil baffle plate is arranged inside the first oil return groove and close to the side with the center shaft hole; the second annular oil return groove is arranged on the upper end face of the base and is internally provided with a second annular oil baffle plate; the bottoms of the first and the second oil return grooves are provided with the oil return holes and are communicated with an oil return pipe through an oil return channel; the static pressure guide rail plate is arranged along the interior of the annular static pressure oil cavity; the oil nozzle is arranged inside the counter holes of the static pressure oil cavity; the first and the second oil distributors are respectively communicated to the oil nozzle and the principal shaft through connecting pipes; and the principal shaft of the base is provided with the oil return hole and the oil return channel for connection to the oil return pipe.
Description
Technical field
The utility model relates to the Digit Control Machine Tool field, particularly a kind of static pressure workbench
Background technology
Along with the fast development of numerical control machine tool technique, the needed workbench of Digit Control Machine Tool requires more and more higher, and also increasing to the needs of large-scale workbench, and required precision is more and more higher, also reliability preferably will be arranged, and requires environmental protection, low energy consumption.
Being supported with of workbench is following several:
Tradition rail plate workbench since be by the metal slide guide rail as swivel bearing, the coefficient of friction of metal sliding surface is higher, so require driving power very big, can generate heat, can not high rotating speed, the energy consumption height; The conventional rolling bearing workbench, precision can not reach very high state, and large size bearing price comparison costliness; Lubricated used oil such as static pressure and main shaft are the oil of same model in the tradition static pressure workbench, are beneficial to lubricatedly, but cause the heating of static pressure place higher easily, influence the lathe working life, and the maximum speed of platen are lower, generally at 60r/min.
In the existing static pressure workbench, static pressure, because the lubricated oil viscosity that adopts is higher, thereby causes this model oil to be used in the bigger heat of meeting generation in the static pressure, and the heat radiation of being difficult for is arranged with the oily oil that all adopts same model with oily and main shaft bearing, gear lubrication; In addition, the oil pocket area that is adopted in the general static pressure technology is bigger, this has also further increased the friction between oil film and the workbench, cause the increase of workbench heat in rotation equally, thereby limited the maximum speed of workbench, do not satisfy the needs of actual processing, and can reduce the life-span of lathe.
Summary of the invention
The purpose of this utility model is to design a kind of static pressure workbench, and it is low thoroughly to solve the heavy machine tool rotating speed, and the problem that the static pressure caloric value is big is brought up to 100r/min with the maximum speed of workbench from 60r/min.When improving rotating speed, reduce the end of workbench and directly jump, thus the machining accuracy of raising workpiece.In addition, the recovery of two kinds of model oil has improved utilization rate, has advocated environmental protection concept.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of static pressure workbench, it comprises, and base is established a central shaft hole on it, and main shaft is arranged at this central shaft hole; Workbench is arranged on the base by main shaft; It is characterized in that described base upper surface centers on the first oil return groove that central shaft hole is offered an annular, the first oil return groove madial wall, one side is along circumferentially establishing some hole slots; Also offer the static pressure oil pocket of a spill, ring-type on the upper surface in the first oil return groove outside, circumferentially establish some counterbores along static pressure oil pocket bottom surface, the hole slot of circumferentially establishing with the first oil return groove madial wall is communicated with; Nearly central shaft hole one side is convexly equipped with first oil baffle of ring-type in the first oil return groove; Also offer the second oil return groove of an annular on the base upper surface in the static pressure oil pocket outside; Be convexly equipped with second oil baffle of ring-type in the second oil return groove; First, second oil return groove bottom land is established spill port respectively, and is communicated with the outer oil return pipe of base by drainback passage; Some hydrostatic slideway plates, arc is along being provided with in the annular static pressure oil pocket on the upper surface in the described base first oil return groove outside; Described workbench bottom surface is corresponding with the hydrostatic slideway plate; Some oil nozzles are arranged at respectively in the circumferential counterbore in described static pressure oil pocket bottom surface, and its outlet is positioned at hydrostatic slideway plate surface; First separator is established some pipe joints on it, pipe joint is communicated with oil nozzle respectively by tube connector; Described tube connector is arranged in the base drainback passage; Second separator is established some pipe joints on it, and is communicated to the main shaft place respectively by tube connector; The main shaft place establishes the base upper surface lubricating oil return hole and corresponding drainback passage is connected to oil return pipe.
Further, also comprise some pipe joints, be arranged at respectively in the hole slot that the base first oil return groove madial wall circumferentially establishes that an end is communicated with described oil nozzle, the other end exposes in the base first oil return groove, be connected first separator on the tube connector of pipe joint connect.
Again, the utility model also comprises a tee pipe coupling, and a pipe joint is connected to a pipe joint that is positioned at the main shaft place by tube connector on second separator, forms two-way via described tee pipe coupling again main shaft is lubricated.
In addition, travelling gear one side of described workbench is established one and is used for gear baffle plate that the oil catch that rotation sputters is returned.
The described second oil baffle top is provided with the oil return groove, and is provided with the oil return gap at circumferencial direction.
The oil return groove at the described second oil baffle top is at uniform 4 the oil return gap of circumferencial direction.
Static pressure oil sprays from oil nozzle through oil circuit, forms one deck oil film on the hydrostatic slideway plate, thereby workbench is in float state; A pipe joint is connected to the pipe joint that lubricates main shaft by tube connector on second separator, divides two-way that main shaft is lubricated via tee pipe coupling again.
Because the oil of lubricated main shaft is blocked by first oil baffle, can not mix with static pressure oil, therefore, the oil of lubricated main shaft can only carry out oil return by spill port.
In addition, the oil spill that is used for the static pressure place goes out the back because first, second oil baffle retaining oil is arranged, so static pressure oil can only carry out oil return by spill port, again via drainback passage from the oil return pipe recycling.
Because the workbench rotation makes static pressure oil sputter second oil baffle, also be provided with the gear baffle plate in order to prevent on spindle transmission gear, the oil catch that is used for sputtering returns.
Even there is oil to splash out, also be provided with the oil return groove at the second oil baffle top, and,, so just further prevented the mixing of static pressure oil and lubricating oil for oil return at the uniform oil return gap of circumferencial direction, reached the purpose of the oil separation of two kinds of different models.
Because it is rarer to be used for the oil viscosity at static pressure place, mobile relatively good, be beneficial to heat is taken away, reduce the gathering of static pressure place heat; In addition, because the static pressure place adopted less oil pocket, so just reduced workbench in rotary course and the friction between the oil pocket oil film, generally the static pressure technology is still less for the heat of generation.The oil viscosity that is used for the principal axis lubrication place is higher, is difficult for flowing, and lubricity is better than thin oil.And owing to adopted said structure, make the oil of two kinds of different models well separate, satisfied the different demands of different parts.
Workbench has produced less heat at rotation process, like this with regard to having changed in the past in the static pressure technology owing to produce the more and basic reason of restraint of labour platform rotating speed of heat, by this method, can there be 60r/min to be increased to 100r/min the rotating speed of workbench in the static pressure technology in the past, it is low and can not satisfy the situation of workpiece processing to have changed rotating speed of table, has equally also improved crudy and the machining accuracy of workpiece.
Description of drawings
Fig. 1 is the schematic diagram of the utility model one embodiment.
Fig. 2 is the vertical view of base among the utility model embodiment.
Fig. 3 is the B-B cutaway view of Fig. 2.
Fig. 4 is that the A of Fig. 2 is to view.
Fig. 5 is the C portion enlarged diagram of Fig. 1.
Fig. 6 is the D portion enlarged diagram of Fig. 2.
The specific embodiment
Referring to Fig. 1～Fig. 6, a kind of static pressure workbench of the present utility model, it comprises, and base 1 is established a central shaft hole 101 on it, and main shaft 2 is arranged at this central shaft hole 101; Workbench 3 is arranged on the base 1 by main shaft 2.
The first oil return groove, 102, the first oil return grooves, 102 madial walls, one side of an annular is offered along circumferentially establishing some hole slots 1021 in described base 1 upper surface around central shaft hole 101; Also offer the static pressure oil pocket 103 of a spill, ring-type on the upper surface in the first oil return groove, 102 outsides, circumferentially establish some counterbores 1031 along static pressure oil pocket 103 bottom surfaces, the hole slot of circumferentially establishing with the first oil return groove, 102 madial walls 1021 is communicated with; Nearly central shaft hole 101 1 sides are convexly equipped with first oil baffle 104 of ring-type in the first oil return groove 102; Also offer the second oil return groove 105 of an annular on base 1 upper surface in static pressure oil pocket 103 outsides; Be convexly equipped with second oil baffle 106 of ring-type in the second oil return groove 105; First, second oil return groove 102,105 bottom lands are established spill port 1022,1023,1051,1052 respectively, and by the oil return pipe 4 outside the drainback passage 107 connection bases 1;
Further, also comprise some pipe joints 14, be arranged at respectively in the hole slot 1021 that the base first oil return groove 102 madial walls circumferentially establish that an end is communicated with described oil nozzle 6, the other end exposes in the base 1 first oil return groove 102, be connected first separator 7 on the tube connector 9 of pipe joint 8 connect.
Again, the utility model comprises that also a pipe joint 11 is connected to a pipe joint 16 that is positioned at main shaft 2 places by tube connector 12 on a tee pipe coupling 15, the second separators 10, forms two-way via described tee pipe coupling 15 again main shaft 2 is lubricated.
In addition, travelling gear 32 1 sides of described workbench 3 are established one and are used for gear baffle plate 17 that the oil catch that rotation sputters is returned.
Second oil baffle, 106 tops are provided with oil return groove 1061, and at uniform 4 the oil return gap 1062 of circumferencial direction.
All establish some pipe joints on first, second separator of base rear side, pipe joint is used to be connected to the pipe joint (12 pipe joints) at static pressure place on first separator, static pressure oil sprays from oil nozzle through oil circuit, forms one deck oil film on the hydrostatic slideway plate, thereby workbench is in float state.
A pipe joint is connected to the pipe joint (2 pipe joints are by the oil baffle butt joint) that lubricates main shaft by tube connector on second separator, divides two-way that main shaft is lubricated via tee pipe coupling again.Because the oil of lubricated main shaft is blocked by first oil baffle, can not mix with static pressure oil, therefore, the oil of lubricated main shaft can only carry out oil return by spill port.In addition, the oil that is used for the static pressure place is after the static pressure oil pocket overflows, because first, second oil baffle retaining oil is arranged, so static pressure oil can only carry out oil return by spill port, and can not flow to other places, again via drainback passage, from the oil return pipe recycling.
Claims (7)
1. static pressure workbench, it comprises,
Base is established a central shaft hole on it, main shaft is arranged at this central shaft hole;
Workbench is arranged on the base by main shaft; It is characterized in that,
Described base upper surface centers on the first oil return groove that central shaft hole is offered an annular, and the first oil return groove madial wall, one side is along circumferentially establishing some hole slots; Also offer the static pressure oil pocket of a spill, ring-type on the upper surface in the first oil return groove outside, circumferentially establish some counterbores along static pressure oil pocket bottom surface, the hole slot of circumferentially establishing with the first oil return groove madial wall is communicated with; Nearly central shaft hole one side is convexly equipped with first oil baffle of ring-type in the first oil return groove; Also offer the second oil return groove of an annular on the base upper surface in the static pressure oil pocket outside; Be convexly equipped with second oil baffle of ring-type in the second oil return groove; First, second oil return groove bottom land is established spill port respectively, and is communicated with the outer oil return pipe of base by drainback passage;
Some hydrostatic slideway plates are provided with along the annular static pressure oil pocket on the upper surface in the described base first oil return groove outside; Described workbench bottom surface is corresponding with the hydrostatic slideway plate;
Some oil nozzles are arranged at respectively in the circumferential counterbore in described static pressure oil pocket bottom surface, and its outlet is positioned at hydrostatic slideway plate surface;
First separator is established some pipe joints on it, pipe joint is communicated with oil nozzle respectively by tube connector; Described tube connector is arranged in the base drainback passage;
Second separator is established some pipe joints on it, and is communicated to the main shaft place respectively by tube connector; The main shaft place establishes the base upper surface lubricating oil return hole and corresponding drainback passage is connected to oil return pipe.
2. static pressure workbench as claimed in claim 1, it is characterized in that, also comprise some pipe joints, be arranged at respectively in the hole slot that the base first oil return groove madial wall circumferentially establishes, one end is communicated with described oil nozzle, the other end exposes in the base first oil return groove, be connected first separator on the tube connector of pipe joint connect.
3. static pressure workbench as claimed in claim 1, it is characterized in that, also comprise a tee pipe coupling, a pipe joint is connected to a pipe joint that is positioned at the main shaft place by tube connector on second separator, forms two-way via described tee pipe coupling again main shaft is lubricated.
4. static pressure workbench as claimed in claim 1 is characterized in that, travelling gear one side of described workbench is established one and is used for gear baffle plate that the oil catch that rotation sputters is returned.
5. static pressure workbench as claimed in claim 4 is characterized in that, the described second oil baffle top is provided with the oil return groove, and is provided with the oil return gap at circumferencial direction.
6. static pressure workbench as claimed in claim 5 is characterized in that, the oil return groove at the described second oil baffle top is at uniform 4 the oil return gap of circumferencial direction.
7. static pressure workbench as claimed in claim 1 is characterized in that, described hydrostatic slideway plate is curved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200277410U CN201960349U (en) | 2011-01-27 | 2011-01-27 | Static pressure workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200277410U CN201960349U (en) | 2011-01-27 | 2011-01-27 | Static pressure workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201960349U true CN201960349U (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200277410U Expired - Fee Related CN201960349U (en) | 2011-01-27 | 2011-01-27 | Static pressure workbench |
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| Country | Link |
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| CN (1) | CN201960349U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729052A (en) * | 2012-03-19 | 2012-10-17 | 浙江嘉力宝精机股份有限公司 | Static pressure workbench for forming gear grinding machine |
| CN102728904A (en) * | 2012-03-22 | 2012-10-17 | 浙江嘉力宝精机股份有限公司 | Numeric control forming gear grinding machine |
| CN102990372A (en) * | 2012-12-04 | 2013-03-27 | 齐重数控装备股份有限公司 | Operating platform of numerical control heavy-duty type milling lathe |
| CN102990473A (en) * | 2012-11-20 | 2013-03-27 | 芜湖日升重型机床有限公司 | Oil film thickness measuring device for operating platform |
| CN103419028A (en) * | 2013-08-26 | 2013-12-04 | 苏州江源精密机械有限公司 | Large vertical lathe workbench with C axis function |
| CN103481069A (en) * | 2012-06-14 | 2014-01-01 | 青岛永基重型机床有限公司 | Rotary workbench and upright type turning and milling composite machine tool |
| CN104913182A (en) * | 2015-06-30 | 2015-09-16 | 湖南崇德工业科技有限公司 | Combined oil-injection device used for radial tilting-pad bearing |
| CN105108500A (en) * | 2015-08-24 | 2015-12-02 | 中南大学 | Hydrostatic guideway |
| CN105479192A (en) * | 2016-01-22 | 2016-04-13 | 武汉樵薪机械制造有限公司 | Oil supply type static-pressure rectification system for support platform |
-
2011
- 2011-01-27 CN CN2011200277410U patent/CN201960349U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729052A (en) * | 2012-03-19 | 2012-10-17 | 浙江嘉力宝精机股份有限公司 | Static pressure workbench for forming gear grinding machine |
| CN102729052B (en) * | 2012-03-19 | 2014-07-30 | 浙江嘉力宝精机股份有限公司 | Static pressure workbench for forming gear grinding machine |
| CN102728904A (en) * | 2012-03-22 | 2012-10-17 | 浙江嘉力宝精机股份有限公司 | Numeric control forming gear grinding machine |
| CN102728904B (en) * | 2012-03-22 | 2014-11-19 | 浙江嘉力宝精机股份有限公司 | Numeric control forming gear grinding machine |
| CN103481069A (en) * | 2012-06-14 | 2014-01-01 | 青岛永基重型机床有限公司 | Rotary workbench and upright type turning and milling composite machine tool |
| CN102990473A (en) * | 2012-11-20 | 2013-03-27 | 芜湖日升重型机床有限公司 | Oil film thickness measuring device for operating platform |
| CN102990372A (en) * | 2012-12-04 | 2013-03-27 | 齐重数控装备股份有限公司 | Operating platform of numerical control heavy-duty type milling lathe |
| CN102990372B (en) * | 2012-12-04 | 2014-12-17 | 齐重数控装备股份有限公司 | Operating platform of numerical control heavy-duty type milling lathe |
| CN103419028A (en) * | 2013-08-26 | 2013-12-04 | 苏州江源精密机械有限公司 | Large vertical lathe workbench with C axis function |
| CN103419028B (en) * | 2013-08-26 | 2015-08-19 | 苏州江源精密机械有限公司 | There is the large-scale vertical lathe workbench of C s function |
| CN104913182A (en) * | 2015-06-30 | 2015-09-16 | 湖南崇德工业科技有限公司 | Combined oil-injection device used for radial tilting-pad bearing |
| CN105108500A (en) * | 2015-08-24 | 2015-12-02 | 中南大学 | Hydrostatic guideway |
| CN105479192A (en) * | 2016-01-22 | 2016-04-13 | 武汉樵薪机械制造有限公司 | Oil supply type static-pressure rectification system for support platform |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20140127 |