Air bearing with high bearing capacity

Abstract

The utility model discloses a high bearing capacity air bearing which comprises an air bearing body, the side surface of the air bearing body is fixedly connected with an air inlet pipe, the upper surface of the air bearing body is provided with a clamping groove, the upper surface of the air bearing body is provided with a mounting groove, and the air inlet pipe is fixedly connected with the air inlet pipe. The side inner wall of the air bearing body is movably connected with a bearing body, the side surface of the bearing body is fixedly connected with a clamping plate, the side surface of the air inlet pipe is provided with a threaded groove, and the side surface of the air inlet pipe is in threaded connection with a mounting ring. According to the structure, the mounting ring, the sealing cylinder and the filter screen are matched to filter air which is compressed by a compressor and is introduced into the air bearing body, so that the problems of air hole blockage, air bearing damage and the like caused by impurities, dust and the like contained in the air are avoided; and outside impurities can be blocked and prevented from entering the device before the air bearing body is mounted and not used, mounting and dismounting are easy, the filter screen is more convenient to damage or dismount and clean, and the service life of the air bearing body is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of air bearings, in particular to an air bearing with high load-bearing capacity. Background Art

[0002] Air bearings (also known as air bearings) refer to sliding bearings that use gas as a lubricant. Air has lower viscosity than oil, is resistant to high temperatures, and is pollution-free, so it can be used in high-speed machines, instruments, and radioactive devices, but its load capacity is lower than that of oil.

[0003] The existing air bearing cooperates with the base, positioning groove, bearing body and air inlet hole, and the external gas is compressed by the compressor and then passed into the device through the air inlet hole. However, since the air used in the air bearing needs to be kept clean, the existing air bearing is not equipped with a filter before the gas enters. If the gas contains impurities such as dust, it will cause the internal tiny pores to be blocked, increasing the damage rate of the air bearing. After searching, it was found that the technical solution provided by the utility model with application number also has the above problems. Utility Model Content

[0004] According to the described high-load-bearing air bearing, the purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a high-load-bearing air bearing. The air entering the air bearing body after being compressed by the compressor is filtered through the cooperation of the mounting ring, the sealing cylinder and the filter screen, so as to avoid problems such as pore blockage and air bearing damage caused by impurities and dust in the air. Moreover, before the air bearing body is installed and not used, external impurities can be blocked to avoid entering the device. The installation and disassembly are simple, and the filter screen is damaged or disassembled for cleaning more conveniently, thereby increasing its service life.

[0005] To achieve the above-mentioned purpose, the utility model also provides the above-mentioned air bearing body, the side surface of the air bearing body is fixedly connected with an air inlet pipe, the air inlet pipe is used to pass external compressed air into the interior of the air bearing body, the upper surface of the air bearing body is provided with a card slot, the upper surface of the air bearing body is provided with a mounting slot, the side inner wall of the air bearing body is movably connected with a carrier, the carrier is used to place a carrier, the compressed air entering the interior of the device is mixed and flowed inside, flows out through the tiny pores on the upper surface of the carrier, forms an air film between the carrier and the carrier, lifts up the carrier and suspends it, and the side surface of the carrier is fixedly connected with a card plate;

[0006] A threaded groove is provided on the side surface of the air inlet pipe, and the threaded groove facilitates the installation of the mounting ring on the surface of the air inlet pipe. The side surface of the air inlet pipe is threadedly connected with the mounting ring, and a sealing cylinder is fixedly connected to the side inner wall of the mounting ring. A filter is fixedly connected to the side inner wall of the sealing cylinder. The filter is used to filter the air from the outside that enters the device to prevent foreign matter and dust from entering the device and clogging the internal space, causing damage to the device. The filter increases the service life of the device. At the same time, the filter can be disassembled for cleaning or replacement under the action of the mounting ring, which makes the filter easy to disassemble and increases the service life of the filter.

[0007] According to the high-load-bearing air bearing, the side surface of the clamping plate is movably connected to the clamping slot, and the upper surface of the clamping plate is threadedly connected with bolts, which increase the installation firmness of the bearing body.

[0008] According to the high-load-bearing air bearing, the side surface of the bolt is threadedly connected to the air bearing body, and the side surface of the bearing body is adhesively connected to the air bearing body by glue. The glue is applied to the side surface to adhesively connect the air bearing body to avoid glue clogging the tiny pores on the upper and lower sides.

[0009] According to the high-load-bearing air bearing, the side surface of the sealing cylinder is movably connected to the air intake pipe, and the material of the bearing body is made of a rigid material with a tiny hole structure.

[0010] According to the high-load-bearing air bearing, an air inlet passage is provided on the side surface of the bearing body, and a fixing plate is fixedly connected to the side surface of the mounting ring, and the fixing plate is used to connect the compressor outlet pipe and the air inlet pipe.

[0011] According to the high-load-bearing air bearing, the side surface of the fixing plate is provided with a through hole, and the outer diameter of the sealing cylinder is consistent with the inner diameter of the air intake pipe, thereby improving the sealing performance.

[0012] According to the high-load-bearing air bearing, the number of the air inlet pipes is multiple.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a front view of a high-load-bearing air bearing of the utility model;

[0016] Figure 2It is a partial structural exploded diagram of a high-load-bearing air bearing of the utility model;

[0017] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0018] Figure 4 This is an exploded view of the important structure of a high-load-bearing air bearing of the utility model.

[0019] Legend:

[0020] 1. Air bearing body; 2. Air inlet pipe; 3. Slot; 4. Mounting slot; 5. Carrier; 6. Clamp plate; 7. Bolt; 8. Threaded groove; 9. Mounting ring; 10. Sealing cylinder; 11. Filter screen; 12. Fixing plate; 13. Air inlet passage. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a high-load-bearing air bearing, which includes an air bearing body 1, a side surface of the air bearing body 1 is fixedly connected with an air inlet pipe 2, the air inlet pipe 2 is used to pass external compressed air into the interior of the air bearing body 1, the upper surface of the air bearing body 1 is provided with a card slot 3, the upper surface of the air bearing body 1 is provided with a mounting slot 4, the side inner wall of the air bearing body 1 is movably connected with a carrier 5, the carrier 5 is used to place the carrier, the compressed air entering the interior of the device is mixed and flowed inside, and the compressed air passing through the upper surface of the carrier 5 is compressed. Air flows out from the tiny pores to form an air film between the carrier 5 and the load, lifting the load and suspending it. The side surface of the carrier 5 is fixedly connected with a card plate 6, and the side surface of the card plate 6 is movably connected with the card slot 3. The upper surface of the card plate 6 is threadedly connected with a bolt 7, which increases the installation firmness of the carrier 5. The side surface of the bolt 7 is threadedly connected with the air bearing body 1. The side surface of the carrier 5 is adhesively connected to the air bearing body 1 by glue, and the glue is applied to the side surface to adhesively connect it to the air bearing body 1 to avoid glue clogging the tiny pores above and below.

[0023] The side surface of the air intake pipe 2 is provided with a threaded groove 8, which is convenient for installing the mounting ring 9 on the surface of the air intake pipe 2. The side surface of the air intake pipe 2 is threadedly connected with the mounting ring 9, and the side inner wall of the mounting ring 9 is fixedly connected with a sealing cylinder 10. The side surface of the sealing cylinder 10 is movably connected to the air intake pipe 2. The material of the carrier 5 is made of a rigid material with a tiny hole structure. The side inner wall of the sealing cylinder 10 is fixedly connected with a filter screen 11. The filter screen 11 is used to filter the air from the outside that enters the device to prevent foreign impurities and dust from entering the device and clogging the internal space, causing the device to be blocked. The filter screen 11 increases the service life of the device. At the same time, the filter screen 11 can be disassembled for cleaning or replacement under the action of the mounting ring 9, which makes the disassembly of the filter screen 11 convenient and increases the service life of the filter screen 11. The side surface of the carrier 5 is provided with an air intake channel 13, and the side surface of the mounting ring 9 is fixedly connected with a fixing plate 12, the fixing plate 12 is used to connect the compressor outlet pipe and the air intake pipe 2, and the side surface of the fixing plate 12 is provided with a through hole. The outer diameter of the sealing cylinder 10 is consistent with the inner diameter of the air intake pipe 2 to increase the sealing performance. The number of the air intake pipes 2 is multiple.

[0024] Working principle: After installing the air bearing body 1, screw the mounting ring 9 to the side surface of the air inlet pipe 2 through the threaded groove 8 before use. After installing the mounting ring 9, when using a compressor to pass the compressed gas into the device, install the vent pipe on the surface of the mounting ring 9. The introduced gas is first filtered through the filter screen 11, and impurities are blocked by the filter screen 11.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A high-load-carrying air bearing, characterized in that: include: An air bearing body (1), the side surface of the air bearing body (1) is fixedly connected to an air inlet pipe (2), the upper surface of the air bearing body (1) is provided with a clamping groove (3), the upper surface of the air bearing body (1) is provided with a mounting groove (4), the side inner wall of the air bearing body (1) is movably connected to a carrier (5), and the side surface of the carrier (5) is fixedly connected to a clamping plate (6); The side surface of the air intake pipe (2) is provided with a threaded groove (8), the side surface of the air intake pipe (2) is threadedly connected to a mounting ring (9), the side inner wall of the mounting ring (9) is fixedly connected to a sealing cylinder (10), and the side inner wall of the sealing cylinder (10) is fixedly connected to a filter screen (11).

2. A high-load-bearing air bearing according to claim 1, characterized in that: The side surface of the clamping plate (6) is movably connected to the clamping slot (3), and the upper surface of the clamping plate (6) is threadedly connected with a bolt (7).

3. A high-load-bearing air bearing according to claim 2, characterized in that: The side surface of the bolt (7) is threadedly connected to the air bearing body (1), and the side surface of the carrier (5) is adhesively connected to the air bearing body (1) by glue.

4. The high-load-carrying air bearing according to claim 1, characterized in that: The side surface of the sealing cylinder (10) is movably connected to the air intake pipe (2), and the carrier (5) is made of a rigid material with a micro-hole structure.

5. The high-load-bearing air bearing according to claim 1, characterized in that: An air inlet passage (13) is provided on the side surface of the carrier (5), and a fixing plate (12) is fixedly connected to the side surface of the mounting ring (9).

6. A high-load-bearing air bearing according to claim 5, characterized in that: A through hole is provided on the side surface of the fixing plate (12), and the outer diameter of the sealing cylinder (10) is consistent with the inner diameter of the air intake pipe (2).

7. The high-load-carrying air bearing according to claim 1, characterized in that: The number of the air intake pipes (2) is multiple.

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