CN218017864U - Air supporting main shaft device of attenuate machine - Google Patents
Air supporting main shaft device of attenuate machine Download PDFInfo
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- CN218017864U CN218017864U CN202222668339.1U CN202222668339U CN218017864U CN 218017864 U CN218017864 U CN 218017864U CN 202222668339 U CN202222668339 U CN 202222668339U CN 218017864 U CN218017864 U CN 218017864U
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- disc
- brake disc
- bearing seat
- grinding wheel
- annular grooves
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000000919 ceramic Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract 3
- 239000012159 carrier gas Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 229910001651 emery Inorganic materials 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
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Abstract
The utility model relates to an attenuate machine field discloses an air supporting spindle unit of attenuate machine, include: bearing frame, the inside of bearing frame is equipped with the rotor, the top and the below of bearing frame are equipped with brake disc and lower brake disc respectively, go up brake disc, lower brake disc respectively with the rotor is connected, be equipped with the gas transmission passageway in the bearing frame, the gas transmission passageway with top surface, bottom surface and the inboard intercommunication of bearing frame, through for gas transmission passageway carrier gas so that go up brake disc, lower brake disc, rotor and there is the clearance between the bearing frame, the beneficial effects of the utility model are that: the rotor does not make mechanical contact with the upper brake disc, the lower brake disc and the bearing seat during operation, so that the grinding wheel assembly can not vibrate during high-speed operation, and the abrasion can be further reduced by combining the first graphite ring, the second graphite ring and the third graphite ring, so that the maintenance is not required, the energy consumption is lower in the working process, and the service life is longer.
Description
Technical Field
The utility model relates to an attenuate machine field especially relates to an air supporting spindle unit of attenuate machine.
Background
In industrial application of the thinning machine, a main shaft connected with a grinding wheel rotating at a high speed is a core part of the thinning machine, and directly influences the grinding precision and the surface quality of a machined part. With the development of the dynamic and static pressure main shaft structure, the protection of the main shaft rotating at high speed is particularly important. The inertia of the high-speed rotating main shaft has great damage to the dynamic and static pressure bearing of the main shaft. In the use process of the thinning machine, the main shaft is in direct contact with the bearing, the high-speed rotation of the main shaft drives other parts to rotate, but the abrasion between the main shaft and the bearing structure is inevitably caused in the working process, the main shaft is damaged, the grinding precision of a product is influenced, and the grinding wheel is troublesome to clean.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the above insufficiency, and aims to provide a technical scheme which can solve the above problems.
An air-float main shaft device of a thinning machine comprises: the brake device comprises a bearing seat, wherein a rotor is arranged in the bearing seat, an upper brake disc and a lower brake disc are respectively arranged above and below the bearing seat, the upper brake disc and the lower brake disc are respectively connected with the rotor, an air transmission channel is arranged in the bearing seat, the air transmission channel is communicated with the top surface, the bottom surface and the inner side of the bearing seat, and gaps are formed among the upper brake disc, the lower brake disc, the rotor and the bearing seat by transmitting air to the air transmission channel; the inner side of the bearing seat is provided with a plurality of first annular grooves which are parallel to each other in the vertical direction and are arranged at intervals, the first annular grooves are communicated with each other, the gas transmission channel is communicated with the first annular grooves, the inner side of the bearing seat is provided with a first graphite ring, the first graphite ring covers the first annular grooves, and the rotor is arranged in the first graphite ring; the top surface of the bearing seat is provided with a second graphite ring and a plurality of second annular grooves, the second annular grooves are communicated with one another, the gas transmission channel is communicated with the second annular grooves, and the second graphite ring covers the second annular grooves; the bottom surface of the bearing seat is provided with a third graphite ring and a plurality of third annular grooves, the third annular grooves are communicated, the gas transmission channel is communicated with the third annular grooves, and the third graphite ring covers the third annular grooves; the driving device is connected with the upper brake disc; and the grinding wheel assembly is connected with the lower brake disc.
As an improvement of the above technical solution, the driving device includes a motor, a water inlet pipe is disposed in a rotating shaft of the motor, a fastening pipe is disposed in the rotor, one end of the fastening pipe is connected to the water inlet pipe, and the other end of the fastening pipe is connected to the grinding wheel assembly.
As an improvement of the above technical solution, the grinding wheel assembly includes: the grinding wheel assembly comprises a grinding wheel mounting disc, a grinding wheel, an insulating convex disc and a connecting disc, wherein the top surface of the grinding wheel mounting disc is connected with the lower brake disc, the grinding wheel is mounted on the periphery of the bottom surface of the grinding wheel mounting disc, the connecting disc is mounted at the center of the bottom surface of the grinding wheel mounting disc, the insulating convex disc is mounted on the connecting disc, a gap exists between the insulating convex disc and the connecting disc, a fastening pipe is connected with the connecting disc, the tail end of the fastening pipe is arranged in the gap between the insulating convex disc and the connecting disc, when the grinding wheel assembly is driven to rotate by the driving device, an external water source of the water inlet pipe is connected with the water source and conveyed into the fastening pipe, and the water source flows into the gap between the insulating convex disc and the connecting disc through the fastening pipe and is thrown out outwards to clean the grinding wheel.
As an improvement of the above technical solution, the grinding wheel grinding machine further comprises a housing, the driving device and the bearing seat are installed in the housing, an opening is formed below the housing to expose the grinding wheel assembly, a water retaining ring is arranged at the lower end of the bearing seat, and the water retaining ring is arranged at the joint of the bearing seat and the housing and can block external moisture.
As one improvement of the technical scheme, the middle of the insulating convex disc is provided with an opening, and a detachable cover is installed in the opening.
As one improvement of the technical scheme, the rotor is made of ceramic or stainless steel.
Compared with the prior art, the beneficial effects of the utility model are that: the rotor does not produce mechanical contact with upper brake disc, lower brake disc, bearing frame during operation, can guarantee that grinding wheel assembly can not produce the vibration when high-speed operation, combines first graphite ring, second graphite ring and third graphite ring can further reduce wearing and tearing, consequently need not maintain the maintenance, and the energy consumption is lower in the working process, and the life-span is longer.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural diagram of the bearing seat of the present invention.
Fig. 4 is another schematic structural diagram of the bearing seat of the present invention.
In the figure: 1. bearing frame, 2, upper brake disc, 3, lower brake disc, 4, gas transmission channel, 5, first graphite ring, 6, second graphite ring, 7, third graphite ring, 8, drive arrangement, 9, emery wheel subassembly, 10, inlet tube, 11, fastening pipe, 12, lid, 13, casing, 14, manger plate circle, 21, first bolt, 31, second bolt, 101, rotor, 91, emery wheel mounting disc, 92, emery wheel, 93, insulating flange, 94, connection pad, 111, first annular groove, 112, second annular groove, 113, third annular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, an air-floating spindle device of a thinning machine includes: the brake disc structure comprises a bearing seat 1, wherein a rotor 101 is arranged in the bearing seat 1, an upper brake disc 2 and a lower brake disc 3 are respectively arranged above and below the bearing seat 1, the upper brake disc 2 and the lower brake disc 3 are respectively connected with the rotor 101, specifically, the upper brake disc 2 and the lower brake disc 3 are respectively provided with a first round hole and a second round hole, the end surfaces of two ends of the rotor 101 are respectively provided with a first threaded hole and a second threaded hole, a first bolt 21 is arranged in the first round hole, the first bolt 21 penetrates through the first round hole to be connected with the first threaded hole, a second bolt 31 is arranged in the second round hole, the second bolt 31 penetrates through the second round hole to be connected with the second threaded hole, an air conveying channel 4 is arranged in the bearing seat 1, the air conveying channel 4 is communicated with the top surface, the bottom surface and the inner side of the bearing seat 1, an air pump is externally connected with the air conveying channel 4, air is conveyed to the air conveying channel 4 through the air pump, so that gaps exist among the upper brake disc 2, the lower brake disc 101, the rotor 101 and the bearing seat 1, a plurality of annular grooves 111 are arranged in parallel along the vertical direction, a plurality of first annular grooves 111 are communicated with the first annular grooves 111, a plurality of graphite ring 5 is arranged in the first annular grooves 111, and a first annular groove is arranged in the first groove is arranged in the bearing seat 1, and a graphite ring groove 111 is arranged in the first groove 5; the top surface of the bearing seat 1 is provided with a second graphite ring 6 and a plurality of second annular grooves 112, the plurality of second annular grooves 112 are communicated, the gas transmission channel 4 is communicated with the second annular grooves 112, and the second graphite ring 6 covers the second annular grooves 112; the bottom surface of the bearing seat 1 is provided with a third graphite ring 7 and a plurality of third annular grooves 113, the plurality of third annular grooves 113 are communicated, the gas transmission channel 4 is communicated with the third annular grooves 113, and the third graphite ring 7 covers the third annular grooves 113; a driving device 8, wherein the driving device 8 is connected with the upper brake disc 2; and the grinding wheel assembly 9 is connected with the lower brake disc 3, and the grinding wheel assembly 9 is connected with the lower brake disc 3.
The driving device 8 comprises a motor, a water inlet pipe 10 is arranged in a rotating shaft of the motor, a fastening pipe 11 is arranged in the rotor 101, one end of the fastening pipe 11 is connected with the water inlet pipe 10, and the other end of the fastening pipe 11 is connected with the grinding wheel assembly 9.
The grinding wheel assembly 9 includes: the brake disc assembly comprises a grinding wheel mounting disc 91, a grinding wheel 92, an insulating convex disc 93 and a connecting disc 94, wherein the top surface of the grinding wheel mounting disc 91 is connected with the lower brake disc 3, the grinding wheel 92 is mounted on the periphery of the bottom surface of the grinding wheel mounting disc 91, the connecting disc 94 is mounted in the center of the bottom surface of the grinding wheel mounting disc 91, the insulating convex disc 93 is mounted on the connecting disc 94, a gap exists between the insulating convex disc 93 and the connecting disc 94, the fastening pipe 11 is connected with the connecting disc 94, the tail end of the fastening pipe 11 is arranged in the gap between the insulating convex disc 93 and the connecting disc 94, when the grinding wheel assembly 9 is driven to rotate by the driving device 8, the water source is externally connected with the water inlet pipe 10 and is conveyed into the fastening pipe 11, and flows into the gap between the insulating convex disc 93 and the connecting disc 94 through the fastening pipe 11 and is thrown outwards to clean the grinding wheel 92.
The air floatation spindle device is characterized by further comprising a shell 13, the driving device 8 and the bearing seat 1 are installed in the shell 13, an opening is formed in the lower face of the shell 13 to expose the grinding wheel assembly 9, a water retaining ring 14 is arranged at the lower end of the bearing seat 1, the water retaining ring 14 is arranged at the joint of the bearing seat 1 and the shell 13, the problem that moisture (in the air) enters the bearing seat 1 is solved by the aid of the water retaining ring 14, water resistance is improved, and the air floatation spindle device can stably and permanently operate.
An opening is formed in the middle of the insulating convex disc 93, and a detachable cover 12 is installed in the opening.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Claims (6)
1. The utility model provides an air supporting spindle unit of attenuate machine which characterized in that includes:
the brake device comprises a bearing seat, a rotor is arranged in the bearing seat, an upper brake disc and a lower brake disc are respectively arranged above and below the bearing seat, the upper brake disc and the lower brake disc are respectively connected with the rotor, an air conveying channel is arranged in the bearing seat, the air conveying channel is communicated with the top surface, the bottom surface and the inner side of the bearing seat, and a gap is formed between the upper brake disc, the lower brake disc, the rotor and the bearing seat by conveying air to the air conveying channel;
the inner side of the bearing seat is provided with a plurality of first annular grooves which are parallel to each other in the vertical direction and are arranged at intervals, the first annular grooves are communicated with each other, the gas transmission channel is communicated with the first annular grooves, the inner side of the bearing seat is provided with a first graphite ring, the first graphite ring covers the first annular grooves, and the rotor is arranged in the first graphite ring;
the top surface of the bearing seat is provided with a second graphite ring and a plurality of second annular grooves, the second annular grooves are communicated with each other, the gas transmission channel is communicated with the second annular grooves, and the second graphite ring covers the second annular grooves;
the bottom surface of the bearing seat is provided with a third graphite ring and a plurality of third annular grooves, the third annular grooves are communicated, the gas transmission channel is communicated with the third annular grooves, and the third graphite ring covers the third annular grooves;
the driving device is connected with the upper brake disc;
and the grinding wheel assembly is connected with the lower brake disc.
2. The air-bearing spindle device of the thinning machine as claimed in claim 1, wherein: the driving device comprises a motor, a water inlet pipe is arranged in a rotating shaft of the motor, a fastening pipe is arranged in the rotor, one end of the fastening pipe is connected with the water inlet pipe, and the other end of the fastening pipe is connected with the grinding wheel assembly.
3. The air-bearing spindle device of the thinning machine as claimed in claim 2, wherein: the grinding wheel assembly includes: the top surface of the grinding wheel mounting disc is connected with the lower brake disc, the grinding wheel is mounted on the periphery of the bottom surface of the grinding wheel mounting disc, the connecting disc is mounted in the center of the bottom surface of the grinding wheel mounting disc, the insulating convex disc is mounted on the connecting disc, a gap exists between the insulating convex disc and the connecting disc, the fastening pipe is connected with the connecting disc, the tail end of the fastening pipe is arranged in the gap between the insulating convex disc and the connecting disc, when the grinding wheel assembly is driven to rotate by the driving device, a water source is externally connected with the water inlet pipe and is conveyed into the fastening pipe, and the water source flows into the gap between the insulating convex disc and the connecting disc through the fastening pipe and is thrown out outwards to clean the grinding wheel.
4. The air-bearing spindle device of the thinning machine as claimed in claim 3, wherein: the grinding wheel component is characterized by further comprising a shell, the driving device and the bearing seat are installed in the shell, an opening is formed in the lower face of the shell to expose the grinding wheel component, a water retaining ring is arranged at the lower end of the bearing seat, and the water retaining ring is arranged at the joint of the bearing seat and the shell and can block external moisture.
5. The air-bearing spindle device of the thinning machine as claimed in claim 4, wherein: the middle of the insulating convex disc is provided with an opening, and a detachable cover is arranged in the opening.
6. The air-bearing spindle device of the thinning machine as claimed in claim 1, wherein: the rotor is made of ceramic or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222668339.1U CN218017864U (en) | 2022-10-11 | 2022-10-11 | Air supporting main shaft device of attenuate machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222668339.1U CN218017864U (en) | 2022-10-11 | 2022-10-11 | Air supporting main shaft device of attenuate machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218017864U true CN218017864U (en) | 2022-12-13 |
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ID=84357090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222668339.1U Active CN218017864U (en) | 2022-10-11 | 2022-10-11 | Air supporting main shaft device of attenuate machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218017864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116658524A (en) * | 2023-05-31 | 2023-08-29 | 深圳市汉诺克精密科技有限公司 | Self-lubricating and low-magnetic-disturbance air floatation main shaft |
-
2022
- 2022-10-11 CN CN202222668339.1U patent/CN218017864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116658524A (en) * | 2023-05-31 | 2023-08-29 | 深圳市汉诺克精密科技有限公司 | Self-lubricating and low-magnetic-disturbance air floatation main shaft |
| CN116658524B (en) * | 2023-05-31 | 2024-02-06 | 深圳市汉诺克精密科技有限公司 | Self-lubricating and low-magnetic-disturbance air floatation main shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Shop 14, Building A, Yijing Building, 45 District, Bao'an District, Shenzhen, Guangdong Patentee after: Shenzhen Bochuangxin Semiconductor Equipment Co.,Ltd. Address before: 518000 Shop 14, Building A, Yijing Building, 45 District, Bao'an District, Shenzhen, Guangdong Patentee before: Shenzhen Shengyi Electromechanical Equipment Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |