CN219413265U - Heavy-load rectangular air floatation guide rail structure - Google Patents
Heavy-load rectangular air floatation guide rail structure Download PDFInfo
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- CN219413265U CN219413265U CN202320297083.XU CN202320297083U CN219413265U CN 219413265 U CN219413265 U CN 219413265U CN 202320297083 U CN202320297083 U CN 202320297083U CN 219413265 U CN219413265 U CN 219413265U
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Abstract
The utility model provides a heavy-load rectangular air floatation guide rail structure, which comprises a guide rail and an air floatation slider; a limiting groove is formed in the middle of the upper surface of the guide rail along the length of the guide rail, and air floatation grooves are symmetrically formed in the upper surfaces of the guide rails on two sides of the limiting groove; at least one air floatation groove is arranged on one side of the limiting groove; the cross section of the air flotation tank is pentagonal, and the width of the notch of the air flotation tank is smaller than the width of the tank bottom; the air-floating sliding block is provided with an air-out strip which protrudes downwards corresponding to each air-floating groove, and the air-out strip is inserted into the air-floating groove; air holes are arranged on the air outlet strips at intervals; the side of the air-float slide block is provided with a high-pressure air tap which is communicated with the air hole. The utility model reduces the gas action space and the direct action area of high-pressure gas by arranging the air floatation tank and the air outlet strips, so that larger pressure is generated in unit pressure, thereby reducing the pressure requirement on the high-pressure gas and realizing air floatation. In addition, the oil mist is mixed in the high-pressure air through the oil mist device, so that the rail lubrication can be ensured, and the oil quantity can be controlled.
Description
Technical Field
The utility model relates to the field of machine tools, in particular to a heavy-load rectangular air floatation guide rail structure.
Background
The existing rectangular guide rail machining center is large in dead weight and workpiece load, sliding friction of a moving part is large, an air floatation guide rail is usually adopted at present to reduce sliding friction force of the moving part, but the area of a chamber for forming a gas layer is large, and a high-pressure gas contact surface is large, so that air floatation can be formed only by achieving certain high pressure on gas.
The utility model patent publication No. CN216802451U discloses a machine tool air-float guide rail mechanism, which comprises a sliding table, first recess has been seted up to slip table lower wall center department, slip table lower wall just is located first recess both sides all have been seted up the second recess, the rigid coupling has a pair of slide in the second recess, a pair of all seted up the air tank on the slide, a pair of on the slide just be located air tank one side has seted up the oil groove, set up the venthole in the slip table, just venthole one end runs through the slide with the air tank is linked together, set up the oil outlet in the slip table, just oil outlet one end with the oil groove is linked together, a pair of second recess one side wall on rigid coupling have a pair of side slide, the device can make lubricating oil enter into the oil groove through oil pipe and oil outlet, can equally divide lubricating oil between slide and slide through the oil groove, can in time supplement lubricating oil, has reduced friction coefficient.
As before, the second groove has a large area, the gas outlet hole for releasing high pressure gas is small, and the pressure is further dispersed by the gas groove, thereby causing that the gas pressure needs to be large enough to realize the air floatation. In addition, the large-area oil groove is arranged for increasing rail lubrication, and oil quantity is difficult to control and detect.
Disclosure of Invention
The purpose of the application is to provide a heavy-duty rectangular air-float guide rail structure, and aims to solve the problems in the prior art.
The embodiment of the application provides a heavy-load rectangular air-float guide rail structure, which comprises a guide rail and an air-float slide block, wherein the air-float slide block moves on the guide rail; a limiting groove is formed in the middle of the upper surface of the guide rail along the length of the guide rail, and air floatation grooves are symmetrically formed in the upper surfaces of the guide rails on two sides of the limiting groove; at least one air floatation groove is arranged on one side of the limiting groove, and the air floatation groove is parallel to the limiting groove; the cross section of the air flotation tank is pentagonal, and the width of the notch of the air flotation tank is smaller than the width of the tank bottom; the air-floating sliding block is provided with an air-out strip which protrudes downwards corresponding to each air-floating groove, the length of the air-out strip is equal to that of the air-floating sliding block, the cross section of the air-out strip is rectangular, and the air-out strip is inserted into the air-floating grooves; air holes are arranged on the air outlet strips at intervals; the side surface of the air-float sliding block is provided with a high-pressure air tap which is communicated with the air hole;
the high-pressure air tap is sequentially connected with an electromagnetic valve, a pressure regulating valve and an air source processing unit; the air source treatment unit is internally provided with a filtering pressure-reducing valve, a high molecular dryer and an oil mist device; the filtering pressure reducing valve is also connected with a filtered water discharging pipe.
Further, the lower surface of the air floatation sliding block is provided with a limiting block corresponding to the limiting groove, and the limiting block is inserted into the limiting groove and is not contacted with the bottom of the limiting groove.
Further, the width and the depth of the air floatation groove are smaller than those of the limit groove.
Further, an air inlet pipe is arranged at the air inlet of the air source treatment unit, and the air outlet is connected with a pressure regulating valve.
Further, the air inlet pressure of the air source treatment unit is 5-6kgf/cm 2 。
Further, a pressure switch is arranged on the filtering pressure reducing valve.
Further, the pressure of the pressure regulating valve was 3kgf/cm 2 。
The beneficial effects of the utility model are as follows: the utility model reduces the gas action space and the direct action area of high-pressure gas by arranging the air floatation tank and the air outlet strips, so that larger pressure is generated in unit pressure, thereby reducing the pressure requirement on the high-pressure gas and realizing air floatation. In addition, the oil mist is mixed in the high-pressure air through the oil mist device, so that the rail lubrication can be ensured, and the oil quantity can be controlled.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the overall structure of the air-bearing slider.
Fig. 3 is a schematic cross-sectional structure of the air-float bath.
Fig. 4 is a schematic diagram of the gas circuit structure of the high-pressure gas circuit.
In the figure: 1. a guide rail; 2. an air-float sliding block; 3. a limit groove; 4. an air floatation tank; 5. an air outlet strip; 6. a limiting block; 7. air holes; 8. a high pressure air tap; 9. an electromagnetic valve; 10. a pressure regulating valve; 11. a filter pressure reducing valve; 12. a polymer dryer; 13. an oil mist device; 14. an air inlet pipe; 15. a cross four-way joint; 16. and a water discharge pipe.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The heavy-duty rectangular air-float guide rail structure shown in fig. 1 comprises a guide rail 1 and an air-float slide block 2, wherein the air-float slide block 2 moves on the guide rail 1; and a limit groove 3 is formed in the middle of the upper surface of the guide rail 1 along the length of the guide rail 1, and air floatation grooves 4 are symmetrically formed in the upper surface of the guide rail 1 on two sides of the limit groove 3, wherein the width and the depth of the air floatation grooves 4 are smaller than those of the limit groove 3. The air floatation grooves 4 on one side of the limiting groove 3 are at least one, and the air floatation grooves 4 are parallel to the limiting groove 3. The cross section of the air flotation tank 4 is pentagonal, and the width of the notch of the air flotation tank 4 is smaller than the width of the tank bottom, as shown in fig. 3.
As shown in fig. 2, the air-floating sliding block 2 is provided with an air-out strip 5 protruding downwards corresponding to each air-floating groove 4, and the length of the air-out strip 5 is equal to that of the air-floating sliding block 2. The lower surface of the air supporting slider 2 is provided with a limiting block 6 corresponding to the limiting groove 3, and the limiting block 6 is inserted into the limiting groove 3 and is not contacted with the bottom of the limiting groove 3. The limiting block 6 plays a role in limiting the movement of the air-float slide block 2. The section of the air outlet strip 5 is rectangular, and the air outlet strip 5 is inserted into the air floatation tank 4. The air outlet strips 5 are provided with air holes 7 at intervals. The side of the air-float slide block 2 is provided with a high-pressure air tap 8, and the high-pressure air tap 8 is communicated with the air hole 7.
The high-pressure air tap 8 is sequentially connected with an electromagnetic valve 9, a pressure regulating valve 10 and an air source processing unit. As shown in FIG. 4, the PU air inlet pipe 14 with the diameter of 10 cm is arranged at the air inlet of the air source treatment unit, and the air inlet pressure is 5-6kgf/cm 2 . The air source processing unit is internally provided with a filter pressure reducing valve 11, a polymer drier 12IDG (SMC), and an oil mist device 13. The high-pressure air reduces the sliding friction force of the guide rail 1 at the lifting pressure, and simultaneously ensures the lubrication and rust prevention of the guide rail 1. The filter pressure reducing valve 11 is provided with a pressure regulating valve switch. The filter pressure reducing valve 11 is also connected with a filtered water drain pipe 16, and the diameter of the drain pipe 16 is 8 cm.
The air outlet of the air source treatment unit is connected with a pressure regulating valve 10 through a cross four-way 15, and the pressure of the pressure regulating valve 10 is 3kgf/cm 2 . The outlet of the pressure regulating valve 10 is connected with the electromagnetic valve 9, and the electromagnetic valve 9 is communicated with the air floatation device.
The application method of the utility model comprises the following steps: the high-pressure gas produced by the air compressor enters the air source processing unit from the air inlet, the pressure is controlled by the filtering pressure reducing valve and the pressure regulating valve, water vapor of impurities is preliminarily filtered, the impurities and the water are discharged by the filtered water discharging pipe 16, the high-pressure gas is dried by the high-molecular dryer 12 and enters the oil mist sprayer 13 to mix oil mist, and the oil mist is controlled by the pressure regulating valve 10 and the electromagnetic valve 9 and is conveyed into the air floatation sliding block 2.
The high-pressure air is sprayed downwards in the air hole 7, and the air outlet strips 5 and the air floatation groove 4 are arranged to enable the area of the high-pressure air acting on the air floatation groove 4 to be reduced, so that the pressure is increased, and the pressure of the high-pressure air can be reduced when the effect of supporting the air floatation sliding block 2 is achieved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The heavy-load rectangular air-float guide rail structure is characterized by comprising a guide rail and an air-float slide block, wherein the air-float slide block moves on the guide rail; a limiting groove is formed in the middle of the upper surface of the guide rail along the length of the guide rail, and air floatation grooves are symmetrically formed in the upper surfaces of the guide rails on two sides of the limiting groove; at least one air floatation groove is arranged on one side of the limiting groove, and the air floatation groove is parallel to the limiting groove; the cross section of the air flotation tank is pentagonal, and the width of the notch of the air flotation tank is smaller than the width of the tank bottom;
the air-floating sliding block is provided with an air-out strip which protrudes downwards corresponding to each air-floating groove, the length of the air-out strip is equal to that of the air-floating sliding block, the cross section of the air-out strip is rectangular, and the air-out strip is inserted into the air-floating grooves; air holes are arranged on the air outlet strips at intervals; the side surface of the air-float sliding block is provided with a high-pressure air tap which is communicated with the air hole;
the high-pressure air tap is sequentially connected with an electromagnetic valve, a pressure regulating valve and an air source processing unit; the air source treatment unit is internally provided with a filtering pressure-reducing valve, a high molecular dryer and an oil mist device; the filtering pressure reducing valve is also connected with a filtered water discharging pipe.
2. The heavy-duty rectangular air floatation guide rail structure according to claim 1, wherein a limiting block is arranged on the lower surface of the air floatation slider corresponding to the limiting groove, and the limiting block is inserted into the limiting groove and is not in contact with the bottom of the limiting groove.
3. The heavy-duty rectangular air bearing guide rail structure according to claim 1, wherein the width and depth of the air bearing grooves are smaller than the width and depth of the limit grooves.
4. The heavy-duty rectangular air-float guide rail structure according to claim 1, wherein an air inlet pipe is arranged at an air inlet of the air source processing unit, and an air outlet is connected with the pressure regulating valve.
5. The heavy-duty rectangular air-float guide structure according to claim 4, wherein the air supply pressure of said air supply processing unit is 5-6kgf/cm 2 。
6. The heavy-duty rectangular air bearing guide rail structure according to claim 5, wherein the filter pressure reducing valve is provided with a pressure switch.
7. The heavy-duty rectangular air-float guide structure according to claim 6, wherein the pressure of said pressure regulating valve is 3kgf/cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320297083.XU CN219413265U (en) | 2023-02-23 | 2023-02-23 | Heavy-load rectangular air floatation guide rail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320297083.XU CN219413265U (en) | 2023-02-23 | 2023-02-23 | Heavy-load rectangular air floatation guide rail structure |
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| Publication Number | Publication Date |
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| CN219413265U true CN219413265U (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320297083.XU Active CN219413265U (en) | 2023-02-23 | 2023-02-23 | Heavy-load rectangular air floatation guide rail structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116857284A (en) * | 2023-09-05 | 2023-10-10 | 无锡星微科技有限公司杭州分公司 | Positive pressure air pre-carrier gas floating guide rail and linear platform with guide rail |
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2023
- 2023-02-23 CN CN202320297083.XU patent/CN219413265U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116857284A (en) * | 2023-09-05 | 2023-10-10 | 无锡星微科技有限公司杭州分公司 | Positive pressure air pre-carrier gas floating guide rail and linear platform with guide rail |
| CN116857284B (en) * | 2023-09-05 | 2023-12-12 | 无锡星微科技有限公司杭州分公司 | Positive pressure air pre-carrier gas floating guide rail and linear platform with guide rail |
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