CN203125140U - Oil drainage block and oil absorption hydraulic circuit for sliding block type static pressure guide rail - Google Patents
Oil drainage block and oil absorption hydraulic circuit for sliding block type static pressure guide rail Download PDFInfo
- Publication number
- CN203125140U CN203125140U CN 201220750808 CN201220750808U CN203125140U CN 203125140 U CN203125140 U CN 203125140U CN 201220750808 CN201220750808 CN 201220750808 CN 201220750808 U CN201220750808 U CN 201220750808U CN 203125140 U CN203125140 U CN 203125140U
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- CN
- China
- Prior art keywords
- oil
- static pressure
- hydraulic circuit
- guide rail
- pressure guide
- Prior art date
- 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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Abstract
The utility model provides an oil drainage block and an oil absorption hydraulic circuit for a sliding block type static pressure guide rail, and belongs to special matched parts for the sliding block type static pressure guide rail. Oil return of a traditional static pressure guide rail is achieved due to the fact that oil is discharged to an oil return groove of a machine tool, the oil is directly contacted with air, and the problems that the oil pollutes environment and impurities pollute the oil are prone to occurrence. In order to solve the technical problems, the oil drainage block and the oil absorption hydraulic circuit are designed. Appearance of the oil drainage block is matched with that of a static pressure guide rail sliding block. An oil return hole is communicated with a static pressure guide rail oil return groove so that return oil of the static pressure guide rail is discharged from the oil return hole in a concentrated mode, and the oil is discharged into an oil tank through the oil absorption hydraulic circuit. In the hydraulic circuit, discharge capacity of an oil absorption pump is larger than use amount of the static pressure guide rail. Therefore, negative pressure discharging is formed, and stability of the static pressure guide rail is improved. Besides, due to the fact that a cooler is arranged in the hydraulic circuit, temperature of static pressure oil can be controlled so that the temperature of the static pressure oil can keep unchanged. Therefore, bearing capacity and rigidity of the static pressure guide rail keep unchanged.
Description
Technical field
The utility model relates to the auxiliary component of slide block type hydrostatic slideway, and is especially relevant with the oil suction hydraulic circuit with the draining piece with a kind of slide block type hydrostatic slideway.
Background technology
Traditional hydrostatic slideway oil return all is to contact with atmosphere to the discharging of lathe oil-recovery tank, this kind mode is called the open type discharging, blowdown presssure is zero, because oil contacts with atmosphere, easily produce greasy dirt and dye environment, impurity is easily sneaked into and is caused oil itself to pollute in the fluid, in the service life of influence oil, the present invention is directed to above-mentioned technical problem and changes traditional open circuit with draining piece and oil suction hydraulic circuit and change the enclosed oil return system into.
The utility model content
The technical problems to be solved in the utility model is to design a kind of draining piece and oil suction hydraulic circuit, further solves greasy dirt and dyes and the life of oil problem.
For addressing the above problem, the utility model has designed and a kind of slide block type hydrostatic slideway draining piece and oil suction hydraulic circuit, comprises draining piece and oil suction hydraulic circuit two parts.Wherein have two draining holes and 6 attachment screw holes on the draining piece; The oil suction hydraulic circuit is made up of low pressure constant displacement pump, choke valve, check valve, filter, cooler, fluid collection hole, connects draining hole and oil suction hydraulic circuit with pipe joint, forms whole hydraulic system.Choke valve and check valve constitute the protection loop of pump, prevent that the low pressure constant displacement pump from being inhaled sky.The metered flow of low pressure constant displacement pump is greater than the use amount of slide block type hydrostatic slideway, and the cooling power of cooler is greater than the caloric value of hydrostatic slideway, guarantees that fluid in time is cooled, and improves the stability of hydrostatic slideway.
Above-mentioned draining piece (1) passes through attachment screw hole (4 with soket head cap screw; 5; 6; 7; 8; 9) be fastenedly connected with the hydrostatic slideway slide block, profile is consistent with the profile of slide block type hydrostatic slideway slide block, is convenient to and the supporting use of step-down guide rail slide block.
Description of drawings:
Fig. 1 is the stereoscopic three-dimensional figure of draining piece of the present utility model.
Fig. 2 is the utility model draining piece and oil suction hydraulic circuit structural representation
Fig. 3 is draining piece and slide block type hydrostatic slideway scheme of installation in the utility model
The specific embodiment
As shown in Figure 2, the pressure oil that flows out from static pressure slide block pressure oil pocket enters draining piece 1 respectively, focuses in the collection hole 16, is connected with the oil suction hydraulic circuit by draining hole 3 then.Oil return is through the effect of oil scavenge pump 10, and through filter 14, cooler 15 flows back to fuel tank.In order to control return pressure, overflow valve 13 regulation and control are arranged.In order to protect low pressure constant displacement pump 10 not find time, installed choke valve 11 additional, check valve 12, purpose is the service life that prolongs low pressure constant displacement pump 10.This package unit has formed the secondary enclosed of hydrostatic slideway and has reclaimed hydraulic oil system.
As Figure 1-3, draining piece 1 is tightened on the static pressure slide block 18 by screw hole 4,5,6,7,8,9 with screw, profile is consistent with guide rail 17, and is easy for installation, and the usefulness pipe joint is communicated with the oil suction hydraulic circuit, can test or use.
Claims (4)
1. a slide block type hydrostatic slideway is made up of draining piece (1) and oil suction hydraulic circuit two parts with draining piece and oil suction hydraulic circuit, it is characterized in that two draining holes (2 are arranged on the draining piece (1); 3) and attachment screw hole (4; 5; 6; 7; 8; 9); The oil suction hydraulic circuit has low pressure constant displacement pump (10), choke valve (11), check valve (12), overflow valve (13), filter (14), cooler (15), fluid collection hole (16) to form, and draining hole (3) are connected with the oil suction hydraulic circuit with pipe joint.
2. draining piece according to claim 1 and oil suction hydraulic circuit is characterized in that. draining piece (1) passes through connecting hole (4 with soket head cap screw; 5; 6; 7; 8; 9) be fastenedly connected with the hydrostatic slideway slide block.
3. draining piece according to claim 1 and oil suction hydraulic circuit is characterized in that choke valve (11) and check valve (12) constitute the protection loop of pump.
4. draining piece according to claim 1 and oil suction hydraulic circuit is characterized in that draining piece profile is consistent with the profile of slide block type hydrostatic slideway slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750808 CN203125140U (en) | 2012-12-18 | 2012-12-18 | Oil drainage block and oil absorption hydraulic circuit for sliding block type static pressure guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750808 CN203125140U (en) | 2012-12-18 | 2012-12-18 | Oil drainage block and oil absorption hydraulic circuit for sliding block type static pressure guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203125140U true CN203125140U (en) | 2013-08-14 |
Family
ID=48933161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220750808 Expired - Fee Related CN203125140U (en) | 2012-12-18 | 2012-12-18 | Oil drainage block and oil absorption hydraulic circuit for sliding block type static pressure guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203125140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406767A (en) * | 2012-12-18 | 2013-11-27 | 芜湖陀曼精机科技有限公司 | Oil draining block and oil sucking hydraulic circuit combination device for sliding block hydrostatic guide rail |
| CN108533546A (en) * | 2018-07-02 | 2018-09-14 | 福建工程学院 | It is directly driven using double pump and the hydraulic crawler excavator dynamical system of the automatic changing-over of differential F.F. |
-
2012
- 2012-12-18 CN CN 201220750808 patent/CN203125140U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406767A (en) * | 2012-12-18 | 2013-11-27 | 芜湖陀曼精机科技有限公司 | Oil draining block and oil sucking hydraulic circuit combination device for sliding block hydrostatic guide rail |
| CN108533546A (en) * | 2018-07-02 | 2018-09-14 | 福建工程学院 | It is directly driven using double pump and the hydraulic crawler excavator dynamical system of the automatic changing-over of differential F.F. |
| CN108533546B (en) * | 2018-07-02 | 2023-06-27 | 福建工程学院 | Hydraulic excavator power system adopting double-pump direct drive and differential fast forward automatic switching |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20181218 |