CN220488108U - Static pressure supporting disc with communicated oil cavities - Google Patents
Static pressure supporting disc with communicated oil cavities Download PDFInfo
- Publication number
- CN220488108U CN220488108U CN202321914705.5U CN202321914705U CN220488108U CN 220488108 U CN220488108 U CN 220488108U CN 202321914705 U CN202321914705 U CN 202321914705U CN 220488108 U CN220488108 U CN 220488108U
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- oil
- cylinder body
- static pressure
- piston rod
- cavity
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- 230000003068 static effect Effects 0.000 title claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000002706 hydrostatic effect Effects 0.000 claims description 7
- 239000003921 oil Substances 0.000 abstract description 89
- 239000010727 cylinder oil Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The utility model provides a static pressure supporting disk communicated with an oil cavity, which comprises a cylinder body, a piston rod in the cylinder body and a static pressure supporting disk integrally connected with the end part of the piston rod outside the cylinder body, wherein a cylinder body oil cavity is formed in the space above the piston rod in the cylinder body, a high-pressure oil inlet and an oil outlet are arranged on the cylinder body, the high-pressure oil inlet is communicated with the cylinder body oil cavity, the oil outlet is communicated with a cavity between the piston rod inside the cylinder body and the side wall of the cylinder body, a servo valve is communicated between an oil inlet pipe connected with the high-pressure oil inlet and an oil outlet pipe connected with the oil outlet, a through hole is arranged in the direction of the central axis of the piston rod, the through hole extends from the end part of the piston rod in the cylinder body to the static pressure supporting disk oil cavity, and an oil return groove, an oil return opening and a sealing groove are arranged outside the static pressure supporting disk oil cavity. According to the hydraulic cylinder, the through hole communicated with the static pressure supporting disc oil cavity is formed in the piston rod, the pressure of the cylinder oil cavity can be adjusted through the servo valve, the purpose of automatically adjusting the pressure in the static pressure supporting disc is achieved, an oil liquid control system is not required to be arranged on the static pressure supporting disc independently, and the structure is simplified.
Description
Technical Field
The utility model relates to the technical field of hydraulic servo control system accessories, in particular to a static pressure supporting disc communicated with an oil cavity.
Background
In the fields of machining, manufacturing, and measuring, etc., it is often necessary to support and control mechanical parts to ensure machining accuracy and manufacturing accuracy. The traditional mechanical supporting mode such as rolling shafts, rolling balls, sliding blocks and the like have the defects of large friction, easiness in abrasion and the like. And the static pressure support technology is a technology for supporting and controlling the movement of mechanical parts by utilizing the force of the hydrostatic pressure of oil. In the static pressure supporting technology, the pressure in the oil cavity is controlled by utilizing the force of the static pressure of oil liquid to support and control the movement of mechanical parts. However, the existing static pressure support is complicated in structure because an independent oil system is required to be arranged for adjustment and control in addition to the oil system required to be arranged for the actuator.
The static pressure supporting disk at present, patent CN113446315A proposes an adjustable annular orifice restrictor and static pressure supporting system, through setting up electric telescoping device and making the slide valve be connected with electric telescoping device, have the space of stepping down between slide valve and the throttling part simultaneously to make the slide valve shell change along with electric telescoping device's deformation first oil outlet with distance between the throttling part, with this throttle ratio of adjusting the restrictor, realize the throttle ratio of restrictor and carry out intelligent dynamic regulation's purpose along with the bearing operating mode, the structure is comparatively complicated.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a static pressure supporting disc with a communicated oil cavity, which mainly solves the problem that the static pressure supporting disc is required to be independently provided with an oil system and has complicated structure.
Based on the problems, the technical scheme provided by the utility model is that the oil cavity type hydrostatic support disc comprises a cylinder body, a piston rod in the cylinder body and the hydrostatic support disc integrally connected with the end part of the piston rod outside the cylinder body, wherein a cylinder body oil cavity is formed in a space above the piston rod in the cylinder body, a high-pressure oil inlet and an oil outlet are arranged on the cylinder body, the high-pressure oil inlet is communicated with the cylinder body oil cavity, the oil outlet is communicated with a cavity between the piston rod inside the cylinder body and the side wall of the cylinder body, a servo valve is communicated between an oil inlet pipe connected with the high-pressure oil inlet and an oil outlet pipe connected with the oil outlet, a through hole is arranged in the direction of the central axis of the piston rod, the through hole extends to the hydrostatic support disc oil cavity from the end part of the piston rod inside the cylinder body, and an oil return groove, an oil return opening and a seal groove are arranged outside the hydrostatic support disc oil cavity.
Wherein, the cylinder body port inboard sets up the uide bushing, and the inside piston rod tip of cylinder body sets up the sealing washer.
The oil return port is arranged at the oil return groove position at the side end part of the static pressure support disc.
The sealing groove is arranged on the outer side of the oil return groove, and a sealing gasket is embedded in the sealing groove.
The utility model has the advantages and beneficial effects that: according to the oil cavity communicating type static pressure supporting disc, the through holes are formed in the piston rod, the cylinder oil cavity at the upper part of the piston rod is communicated with the static pressure supporting disc oil cavity through the through holes in the piston rod, and the pressure of the cylinder oil cavity can be regulated through the servo valve, so that the purpose of automatically regulating the pressure in the static pressure supporting disc is achieved, an oil control system is not required to be arranged on the static pressure supporting disc independently, and the structure is simplified. In addition, the static pressure supporting plate is provided with a sealing groove and an oil return port, so that waste of working oil is avoided.
Drawings
FIG. 1 is a schematic view of a central longitudinal section of a communicating oil pocket hydrostatic support plate of the present utility model.
In the figure: 1. a cylinder; 2. a piston rod; 3. a servo valve; 4. a cylinder first assembly; 5. a high-pressure oil inlet; 6. an oil outlet; 7. high-pressure oil inlet pipe; 8. an oil outlet pipe; 9. a seal ring; 10. a guide sleeve; 11. a through hole; 12. a cylinder oil chamber; 13. static pressure supporting disc oil cavity; 14. a static pressure support plate; 15. sealing grooves; 16. an oil return groove; 17. and an oil return port.
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.
As shown in figure 1, the oil cavity type static pressure supporting disk comprises a cylinder body 1, a piston rod 2 in the cylinder body 1 and a static pressure supporting disk 14 integrally connected to the end part of the piston rod 2 outside the cylinder body 1, a cylinder body oil cavity 12 is formed in the space above the piston rod 2 in the cylinder body 1, a high-pressure oil inlet 5 and an oil outlet 6 are arranged on the cylinder body 1, the high-pressure oil inlet 5 is communicated with the cylinder body oil cavity 12, the oil outlet 6 is communicated with a cavity between the piston rod 2 inside the cylinder body 1 and the side wall of the cylinder body 1, a servo valve 3 is communicated between an oil inlet pipe connected with the high-pressure oil inlet 5 and an oil outlet pipe 8 connected with the oil outlet 6, a through hole 11 is arranged in the central axis direction of the piston rod 2, the through hole 11 extends to a static pressure supporting disk oil cavity 13 from the end part of the piston rod 2 in the cylinder body 1, and an oil return groove 16, an oil return opening 17 and a sealing groove 15 are arranged outside the static pressure supporting disk oil cavity 13.
Wherein, the cylinder body is kept away from the cylinder barrel first subassembly 4 of cylinder barrel that one end of piston rod set up and is used for fixed cylinder barrel, and cylinder body 1 port inboard sets up uide bushing 10, and uide bushing 10 is the ring form, and uide bushing 10 inner wall is smooth, with piston rod 2 sliding connection, the inside piston rod 2 tip of cylinder body 1 sets up sealing washer 9 to keep the sealing connection of piston rod 2 tip and cylinder body 1 inner wall.
An L-shaped oil return groove 16 is arranged above the static pressure support disc oil cavity 13, the oil return groove 16 extends out of the side end of the static pressure support disc 14, and an oil return opening 17 is arranged at the oil return groove 16 at the side end of the static pressure support disc 14.
The seal groove 15 is arranged on the outer side of the oil return groove 16, and a seal gasket is embedded in the seal groove 15.
When in use, the static pressure supporting disk 14 with the communicating oil cavity is firstly arranged on a workpiece to be supported, high-pressure oil enters the cylinder oil cavity 12 from the high-pressure oil inlet pipe 7 through the high-pressure oil inlet 5 under the control of the servo valve 3, flows into the static pressure supporting disk oil cavity 13 through the through hole 11 in the piston rod 2, an oil film is formed between the workpiece and the static pressure support disc 14, when the workpiece is subjected to external force, the oil film is correspondingly deformed, and the servo valve 3 controls the oil pressure, so that the oil pressure in the static pressure support disc oil cavity 13 is regulated, and the balance state of the workpiece is maintained.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (4)
1. The utility model provides a intercommunication oil pocket formula static pressure supporting disk, includes cylinder body, the piston rod in the cylinder body and the static pressure supporting disk of an organic whole connection in cylinder body outside piston rod tip, its characterized in that: the space above the piston rod in the cylinder body forms a cylinder body oil cavity, a high-pressure oil inlet and an oil outlet are arranged on the cylinder body, the high-pressure oil inlet is communicated with the cylinder body oil cavity, the oil outlet is communicated with a cavity between the piston rod in the cylinder body and the side wall of the cylinder body, a servo valve is communicated between an oil inlet pipe connected with the high-pressure oil inlet and an oil outlet pipe connected with the oil outlet, a through hole is arranged in the direction of the central axis of the piston rod, the through hole extends to a static pressure support disc oil cavity from the end part of the piston rod in the cylinder body, and an oil return groove, an oil return opening and a seal groove are arranged on the outer side of the static pressure support disc oil cavity.
2. The communicating oil chamber type static pressure support plate according to claim 1, wherein: the inner side of the cylinder body port is provided with a guide sleeve, and the end part of a piston rod in the cylinder body is provided with a sealing ring.
3. The communicating oil chamber type static pressure support plate according to claim 1, wherein: an L-shaped oil return groove is formed above the oil cavity of the static pressure support disc, the oil return groove extends out of the side end of the static pressure support disc, and an oil return opening is formed in the oil return groove at the side end of the static pressure support disc.
4. A communicating oil chamber type hydrostatic support plate as set forth in claim 3, wherein: the seal groove is arranged on the outer side of the oil return groove, and a seal gasket is embedded in the seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321914705.5U CN220488108U (en) | 2023-07-20 | 2023-07-20 | Static pressure supporting disc with communicated oil cavities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321914705.5U CN220488108U (en) | 2023-07-20 | 2023-07-20 | Static pressure supporting disc with communicated oil cavities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488108U true CN220488108U (en) | 2024-02-13 |
Family
ID=89826812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321914705.5U Active CN220488108U (en) | 2023-07-20 | 2023-07-20 | Static pressure supporting disc with communicated oil cavities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488108U (en) |
-
2023
- 2023-07-20 CN CN202321914705.5U patent/CN220488108U/en active Active
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