CN216028107U

CN216028107U - Space overturning type air floatation main shaft

Info

Publication number: CN216028107U
Application number: CN202122298138.2U
Authority: CN
Inventors: 赵康
Original assignee: Suzhou Cuizhu Semiconductor Co ltd
Current assignee: Suzhou Cuizhu Semiconductor Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-15
Anticipated expiration: 2031-09-23

Abstract

The utility model particularly relates to a space turnover type air-floating main shaft, which comprises a main shaft and a bearing seat, wherein a connecting ring piece is arranged on the left side surface of the main shaft, a heat dissipation circular disc is arranged on the corresponding right side of the connecting ring piece, a ceramic heat dissipation circular disc is arranged on the right side surface of a fixed circular block, fan blades are fixed on the corresponding right side of a shaft body, and a long protruding strip is uniformly arranged on the right side surface of the main shaft. Thereby improving the service life.

Description

Space overturning type air floatation main shaft

Technical Field

The utility model belongs to the technical field of air floatation spindles, and particularly relates to a space overturning type air floatation spindle.

Background

The air spindle refers to a sliding bearing using gas (usually air, but possibly other gases) as a lubricant, the air has less viscosity than oil, is high temperature resistant and pollution-free, and thus can be used in high-speed machines, instruments and radioactive devices, but the load capacity is lower than oil, the air bearing has higher precision and provides extremely high radial and axial rotation precision, but many spindle heads are too smooth, so that the spindle body is easy to slip due to small friction force when rotating, or the spindle heads are difficult to keep dry, the spindle body is easy to form water due to moisture, the surface of the spindle body adsorbs water, the fixation is tedious and unstable due to easy overheating at the connection part of a long-time working part, and the existing spindle cannot enable the traditional single-working-condition air spindle to be applied in a space overturning condition.

SUMMERY OF THE UTILITY MODEL

The present invention provides a spatially flipped air-floating spindle to solve the above problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a space turnover type air-float main shaft comprises a main shaft and a bearing seat, wherein a connecting ring piece is arranged on the left side surface of the main shaft, the corresponding right side of the connecting ring piece is provided with a heat dissipation circular sheet, the corresponding right side of the heat dissipation circular sheet is provided with a fixed circular block, the right side surface of the fixed round block is provided with a ceramic heat dissipation disc, the right side of the ceramic heat dissipation disc and the surface of the main shaft are respectively provided with a first shaft sleeve and a second shaft sleeve, a first thrust plate is sleeved and fixed between the second shaft sleeve and the first shaft sleeve, a second thrust plate is arranged on the right side of the second shaft sleeve and positioned on the surface of the main shaft, a shaft body is arranged on the right side of the second thrust plate, a fan blade is fixed on the corresponding right side of the shaft body, a long protruding strip is uniformly arranged on the right side surface of the main shaft, the inside of bearing frame is equipped with the axle chamber, evenly be equipped with rectangular recess on the inner wall in axle chamber, the right side of bearing frame is equipped with moment compensation spare.

As a further optimization of the technical scheme, the right side of the main shaft is provided with a connecting groove which is designed to be a square groove and can be inserted and installed under the condition that the main shaft is not contacted externally.

As a further optimization of the technical scheme, the surface of the fixed round block is uniformly provided with heat dissipation through holes, and the fixed round block is attached to the heat dissipation wafer, so that the heat dissipation effect on the rotating high-heat spindle can be realized during working.

As a further optimization of the technical scheme, the protruding strip arranged at one end of the main shaft is matched and inserted with the strip groove arranged on the inner side of the bearing seat, so that the shaft body, the first shaft sleeve and the second shaft sleeve can be conveniently detached and maintained.

As the further optimization of this technical scheme, the surface of axis body is equipped with water conservancy diversion wind channel, and water conservancy diversion wind channel becomes the even setting in the surface of axis body of heliciform, can carry out the radiating effect of water conservancy diversion formula when rotating to the axis body.

As the further optimization of the technical scheme, the wear-resistant protective cover is arranged outside the fan blade, and the fan blade and the right side of the shaft body are arranged in a veneering mode, so that the cooling effect of the spindle on a workpiece in the working process is realized.

The utility model has the technical effects and advantages that: this convertible air supporting main shaft in space, cooperation between first thrust plate and first axle sleeve and the second axle sleeve through setting up on the main shaft is used, the application of air supporting main shaft space upset under wide region load has been realized, through the setting of heat dissipation disk and ceramic heat dissipation disk on the main shaft, can avoid influencing the main shaft operation because of connecting the ring piece in service overheated, the problem of the operating time extension that arouses, simultaneously under the cooperation through between axis body and the second thrust plate, can prevent to produce unnecessary wearing and tearing problem in the course of work between axis body and the second axle sleeve, can reduce the cost of its maintenance simultaneously.

Through the setting of main shaft one end connecting groove, can play the main shaft antiskid effect, the stability of main shaft rotation in-process has been strengthened, work efficiency has further been improved and operating mass has been promoted simultaneously, through on the axis body under the cooperation between water conservancy diversion wind channel and the fan blade, when the rotation through the main shaft drives the axis body and rotates, the fan blade rotates through main shaft transmission, can make the axis body keep the spindle nose dry, avoided because the main shaft is too moist, arouse that the main shaft rust warp or damage, thereby life has been promoted.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of the spindle of the present invention;

FIG. 3 is a side view of the bearing housing of the present invention;

fig. 4 is a side view of the fixed round of the present invention.

In the figure: 1. a main shaft; 2. a connecting groove; 3. a connecting ring member; 4. a heat dissipation wafer; 5. fixing the round block; 6. a ceramic heat dissipation disc; 7. a first bushing; 8. a shaft body; 9. a second thrust plate; 10. a diversion air channel; 11. a fan blade; 12. a first thrust plate; 13. a bearing seat; 14. a torque compensator; 15. a raised strip; 16. a shaft cavity; 17. a strip groove; 18. a heat dissipating through hole; 19. and a second shaft sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a space turnover type air-float main shaft comprises a main shaft 1 and a bearing seat 13, wherein the right side of the main shaft 1 is provided with a connecting groove 2, the main shaft 1 is conveniently connected with external transmission equipment through the arrangement of the connecting groove 2, the connecting groove 2 is designed to be a square groove, the problems of slipping and friction after the main shaft 1 is connected with the transmission equipment are avoided, the left side surface of the main shaft 1 is provided with the connecting ring piece 3, and the arrangement of the connecting ring piece 3 improves the stability of the heat dissipation wafer 4 after installation, the corresponding right side of the connecting ring piece 3 is provided with the heat dissipation wafer 4, through the setting of heat dissipation disk 4, play the radiating effect to 1 one end of main shaft, set up through the 4 wainscots of heat dissipation disk 5 and setting, can improve the cooling effect of main shaft 1, the corresponding right side of heat dissipation disk 4 is equipped with fixed disk 5, through the setting of fixed disk, plays the limiting displacement to ceramic heat dissipation disk 6.

The surface of the fixed round block 5 is evenly provided with heat dissipation through holes 18, the arrangement of the heat dissipation through holes can lead the airflow to have the function of circulating and dissipating heat on the main shaft 1, the right side surface of the fixed round block 5 is provided with a ceramic heat dissipation disc 6, and the ceramic heat dissipation disc 6 can perform the heat dissipation function on the first shaft sleeve 7 and the second shaft sleeve 19, and the surface of the ceramic heat dissipation disc 6 can be dried at constant temperature, the first shaft sleeve 7 and the second shaft sleeve 19 are respectively arranged on the right side of the ceramic heat dissipation disc 6 and positioned on the surface of the main shaft, the application of the large-size air bearing in the condition of space overturning under wide-range load is realized, a first thrust plate 12 is fixedly sleeved between the second shaft sleeve 19 and the first shaft sleeve 7, and a second thrust plate 9 is arranged on the right side of the second shaft sleeve 19 and positioned on the surface of the main shaft 1, so that friction generated in the working process of the first shaft sleeve 7 and the second shaft sleeve 19 can be avoided.

The right side of the second thrust plate 9 is provided with a shaft body 8, the surface of the shaft body 8 is provided with a flow guide air groove 10, the flow guide air groove 10 is spirally and uniformly arranged on the surface of the shaft body 8, the stability of equipment operation is enhanced, and the production efficiency is improved, the corresponding right side of the shaft body 8 is fixed with a fan blade 11, a wear-resistant protective cover is arranged outside the fan blade 11, the fan blade 11 is arranged in a mode of being adhered to the right side of the shaft body 8, the dryness of the main shaft is enhanced, the service life of the main shaft 1 is prolonged, the right side surface of the main shaft 1 is uniformly provided with a protruding strip 15, a shaft cavity 16 is arranged inside the bearing seat 13, the inner wall of the shaft cavity 16 is uniformly provided with a strip groove 17, the protruding strip 15 arranged at one end of the main shaft 1 is matched and inserted with the strip groove 17 arranged on the inner side of the bearing seat 13, the wear resistance of the main shaft 1 can be realized, the problem of preventing slipping is solved, the right side of the bearing seat 13 is provided with a moment compensation part 14, through the arrangement of the moment compensation part 14, the compactness and miniaturization of the whole structure of the main shaft 1 are greatly improved.

Specifically, when the air floatation spindle is used, the first thrust plate 12 arranged on the spindle 1 is matched with the first spindle sleeve 7 and the second spindle sleeve 19, so that the problem that the traditional air floatation spindle cannot be applied under a space overturning condition is solved, the air floatation spindle is applied to space overturning under a wide-range load, the heat dissipation effect on the spindle 1 and the connecting ring 3 is achieved through the arrangement of the heat dissipation disc 4 and the ceramic heat dissipation disc 6 on the spindle 1, the problem that the operation of the spindle 1 is influenced due to the fact that the connecting ring 3 is overheated in operation is solved, the service life of equipment is prolonged, meanwhile, the problem of unnecessary abrasion generated in the working process between the spindle body 8 and the second spindle sleeve 19 can be prevented through the matching between the spindle body 8 and the second thrust plate 9, and meanwhile, the maintenance cost of the air floatation spindle can be reduced.

Through the setting of 1 one end connecting groove 2 of main shaft, can play 1 anti-skidding effect of main shaft, the stability of 1 rotation in-process of main shaft has been strengthened, avoided simultaneously because junction main shaft 1 skids, 8 pivoted problems of axis body have been influenced, further improved work efficiency and promoted operating mass simultaneously, through on the axis body 8 under the cooperation between water conservancy diversion wind channel 10 and the fan blade 11, when driving the axis body 8 rotation through the rotation of main shaft 1, the fan blade rotates through the transmission of main shaft 1, can make the axis body keep the spindle nose dry, avoided because main shaft 1 is too moist, arouse that main shaft 1 rusts to warp or damage, thereby life has been promoted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a convertible air supporting main shaft in space, includes main shaft (1), bearing frame (13), its characterized in that: the fan is characterized in that a connecting ring piece (3) is arranged on the left side surface of the main shaft (1), a heat dissipation wafer (4) is arranged on the corresponding right side of the connecting ring piece (3), a fixed round block (5) is arranged on the corresponding right side of the heat dissipation wafer (4), a ceramic heat dissipation disc (6) is arranged on the right side of the fixed round block (5), a first shaft sleeve (7) and a second shaft sleeve (19) are respectively arranged on the right side of the ceramic heat dissipation disc (6) and positioned on the surface of the main shaft, a first thrust plate (12) is sleeved between the second shaft sleeve (19) and the first shaft sleeve (7), a second thrust plate (9) is arranged on the right side of the second shaft sleeve (19) and positioned on the surface of the main shaft (1), a shaft body (8) is arranged on the right side of the second thrust plate (9), fan blades (11) are fixed on the corresponding right side of the shaft body (8), and raised strips (15) are uniformly arranged on the right side surface of the main shaft (1), the inside of bearing frame (13) is equipped with axle chamber (16), evenly be equipped with rectangular recess (17) on the inner wall of axle chamber (16), the right side of bearing frame (13) is equipped with moment compensation spare (14).

2. The spatially flipped air spindle according to claim 1, wherein: the right side of main shaft (1) is equipped with connecting groove (2), connecting groove (2) are square groove design.

3. The spatially flipped air spindle according to claim 1, wherein: the surface of the fixed round block (5) is uniformly provided with heat dissipation through holes (18), and the fixed round block (5) is attached to the arranged heat dissipation wafer (4).

4. The spatially flipped air spindle according to claim 1, wherein: the long protruding strip (15) arranged at one end of the main shaft (1) is matched and inserted with a long strip groove (17) arranged on the inner side of the bearing seat (13).

5. The spatially flipped air spindle according to claim 1, wherein: the surface of the shaft body (8) is provided with a diversion air groove (10), and the diversion air groove (10) is spirally and uniformly arranged on the surface of the shaft body (8).

6. The spatially flipped air spindle according to claim 1, wherein: the outer portion of the fan blade (11) is provided with a wear-resistant protective cover, and the fan blade (11) is arranged in a mode of being attached to the right side of the shaft body (8).