CN216422180U - Static pressure bearing rotating mechanism for grinding and polishing equipment - Google Patents
Static pressure bearing rotating mechanism for grinding and polishing equipment Download PDFInfo
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- CN216422180U CN216422180U CN202123018903.7U CN202123018903U CN216422180U CN 216422180 U CN216422180 U CN 216422180U CN 202123018903 U CN202123018903 U CN 202123018903U CN 216422180 U CN216422180 U CN 216422180U
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Abstract
A static pressure bearing rotating mechanism for grinding and polishing equipment relates to the technical field of grinding and polishing equipment, a lower disc shaft is arranged in a supporting seat in a penetrating way, and a lower tray is sleeved outside the supporting seat and is connected and fixed by a bolt; the torsion plate is fixed at the top end of the lower plate shaft by a screw, the upper plate is covered at the upper part of the torsion plate and is fixedly connected with the top end of the lower plate shaft by a pin; the lower grinding and polishing disc is fixed on the upper tray through a pin column; the deep groove ball bearing is arranged between the top of the lower disc shaft and the lower tray; the upper tile is fixed at the bottom of the upper tray; the lower tile is fixed on the lower tray and is arranged corresponding to the upper tile; the oil deflector ring is sleeved outside the bracket, and the upper edge of the oil deflector ring is arranged on the outer wall of the upper tray; an oil cavity is formed among the oil slinger, the upper tray and the bracket. The bearing does not need to be replaced, the machining precision of the workpiece can be improved, and the practicability is stronger.
Description
Technical Field
The utility model relates to a grind and throw equipment technical field, concretely relates to grind and throw hydrostatic bearing rotary mechanism for equipment.
Background
The stability of the operation of the lower disc of the grinding and polishing equipment in work plays a decisive role in the quality of a processed product, a conventional lower disc shaft supporting mode of the grinding and polishing equipment generally adopts a group of tapered roller bearings to support, the radial runout of the lower disc shaft in the supporting motion mode is generally 0.3mm, the end face runout of the lower disc is about 0.4mm, the requirement on processing of a workpiece with an exceeding precision cannot be met, and the bearing needs to be replaced and maintained more inconveniently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a grind and throw hydrostatic bearing rotary mechanism for equipment, it need not to change the bearing, and can improve the machining precision of work piece, and the practicality is stronger.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the device comprises a lower grinding and polishing disc, a pin column, an upper tray, a lower tray, a supporting seat, a lower disc shaft and a torsion disc; the lower disc shaft penetrates through the supporting seat, and a lower tray is sleeved outside the supporting seat and is fixedly connected by a bolt; the torsion plate is fixed at the top end of the lower plate shaft by a screw, the upper plate is covered at the upper part of the torsion plate and is fixedly connected with the top end of the lower plate shaft by a pin; the lower grinding and polishing disc is fixed on the upper tray through a pin column; it also includes:
the deep groove ball bearing is arranged between the top of the lower disc shaft and the lower tray;
the upper tile is fixed at the bottom of the upper tray;
the lower tile is fixed on the lower tray and is arranged corresponding to the upper tile;
the oil deflector ring is sleeved outside the bracket, and the upper edge of the oil deflector ring is arranged on the outer wall of the upper tray and is fixedly connected by screws; an oil cavity is formed among the oil scraper ring, the upper tray and the bracket;
and the supporting seat and the lower tray are provided with oil circulation loops which are communicated with each other.
Preferably, the lower tile is provided with a wear-resistant sheet.
Preferably, the lower tray is provided with a sealing ring in a clamping manner at the sleeve joint of the lower tray and the supporting seat.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a grind and throw hydrostatic bearing rotary mechanism for equipment, it need not to change the bearing, and can improve the machining precision of work piece, and the practicality is stronger.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of the reference numerals:
the grinding and polishing device comprises a lower grinding and polishing disc 1, a pin column 2, an upper tray 3, an oil scraper ring 4, an upper tile 5, a support 6, a wear-resistant sheet 7, a lower tile 8, a lower tray 9, a support seat 10, a lower disc shaft 11, a deep groove ball bearing 12, a torsion disc 13 and a pin 14.
Detailed Description
In the following, the technical solutions of the present invention will be clearly and completely described with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the scope of the present invention.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: the grinding and polishing device comprises a lower grinding and polishing disc 1, a pin column 2, an upper tray 3, a lower tray 9, a supporting seat 10, a lower disc shaft 11 and a torsion disc 13; the lower tray shaft 11 is arranged in the supporting seat 10 in a penetrating way, and the lower tray 9 is sleeved outside the supporting seat 10 and is fixedly connected by bolts; the torsion plate 13 is fixed at the top end of the lower plate shaft 11 by a screw, the upper tray 3 is covered at the upper part of the torsion plate 13 and is connected and fixed with the top end of the lower plate shaft 11 by a pin 14; the lower grinding and polishing disc 1 is fixed on the upper tray 3 through a pin column 2; it also includes:
the deep groove ball bearing 12 is arranged between the top of the lower disc shaft 11 and the lower tray 9;
the upper tile 5, the said upper tile 5 is fixed on the bottom of the upper tray 3;
the lower tile 8 is fixed on the lower tray 9, and the lower tile 8 is arranged corresponding to the upper tile 5;
the oil scraper ring 4 is sleeved outside the bracket 6, and the upper edge of the oil scraper ring 4 is arranged on the outer wall of the upper tray 3 and is fixedly connected by screws; an oil cavity is formed among the oil slinger 4, the upper tray 3 and the bracket 6, the bracket 6 is rotatably supported on a base (not shown in the figure) by a bearing, and the oil slinger 4 is arranged for forming the oil cavity and preventing the liquid oil from leaking;
the support base 10 and the lower tray 9 are provided with oil circulation loops which are communicated with each other.
Preferably, the lower tile 8 is provided with a wear-resistant sheet 7.
Preferably, a sealing ring is clamped at the sleeve joint of the lower tray 9 and the supporting seat 10.
The working principle of the specific implementation mode is as follows: the lower disc shaft 11 rotates to drive the surfaces of the upper tile 5 and the lower tile 8 to form a high-strength pressure oil film in an oil cavity formed among the oil retainer 4, the upper tray 3 and the bracket 6, so that the surfaces of the upper tile 5 and the lower tile 8 are not in contact, the lower polishing disc 1 can stably run in high-load operation, and the radial runout of the lower disc shaft 11 is about 0.006mm at the moment.
Compared with the prior art, the beneficial effects of the embodiment are as follows: this embodiment provides a static pressure bearing rotary mechanism for grinding and polishing equipment, and it need not to change the bearing, and can improve the machining precision of work piece, and the practicality is stronger.
It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A hydrostatic bearing rotating mechanism for grinding and polishing equipment comprises a lower grinding and polishing disk (1), a pin column (2), an upper tray (3), a lower tray (9), a supporting seat (10), a lower disk shaft (11) and a torsion disk (13); the lower tray shaft (11) is arranged in the supporting seat (10) in a penetrating way, and the lower tray (9) is sleeved outside the supporting seat (10) and is fixedly connected by bolts; the torsion disc (13) is fixed at the top end of the lower disc shaft (11) by screws, the upper tray (3) is covered at the upper part of the torsion disc (13) and is connected and fixed with the top end of the lower disc shaft (11) by a pin (14); the lower grinding and polishing disc (1) is fixed on the upper tray (3) through a pin column (2); the method is characterized in that: it also includes:
the deep groove ball bearing (12), the said deep groove ball bearing (12) is set up between top and lower tray (9) of the lower disc axle (11);
the upper tile (5), the said upper tile (5) is fixed on the bottom of the upper tray (3);
the lower tile (8) is fixed on the lower tray (9) and is arranged corresponding to the upper tile (5);
the oil scraper ring (4) is sleeved outside the bracket (6), and the upper edge of the oil scraper ring (4) is arranged on the outer wall of the upper tray (3) and is fixedly connected by screws; an oil cavity is formed among the oil slinger (4), the upper tray (3) and the bracket (6);
the supporting seat (10) and the lower tray (9) are provided with oil circulation loops which are communicated with each other.
2. The hydrostatic bearing rotating mechanism for a polishing apparatus according to claim 1, wherein: and the lower tile (8) is provided with a wear-resistant sheet (7).
3. The hydrostatic bearing rotating mechanism for a polishing apparatus according to claim 1, wherein: and a sealing ring is clamped at the sleeve joint of the lower tray (9) and the supporting seat (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123018903.7U CN216422180U (en) | 2021-12-02 | 2021-12-02 | Static pressure bearing rotating mechanism for grinding and polishing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123018903.7U CN216422180U (en) | 2021-12-02 | 2021-12-02 | Static pressure bearing rotating mechanism for grinding and polishing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216422180U true CN216422180U (en) | 2022-05-03 |
Family
ID=81342230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123018903.7U Active CN216422180U (en) | 2021-12-02 | 2021-12-02 | Static pressure bearing rotating mechanism for grinding and polishing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216422180U (en) |
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2021
- 2021-12-02 CN CN202123018903.7U patent/CN216422180U/en active Active
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