CN215281475U - High-precision air-floating electric spindle - Google Patents
High-precision air-floating electric spindle Download PDFInfo
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- CN215281475U CN215281475U CN202120512714.6U CN202120512714U CN215281475U CN 215281475 U CN215281475 U CN 215281475U CN 202120512714 U CN202120512714 U CN 202120512714U CN 215281475 U CN215281475 U CN 215281475U
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Abstract
The utility model discloses a high-accuracy air supporting electricity main shaft belongs to electric main shaft technical field, including the box, box internal axis position level sets up main shaft, its characterized in that: the inside intermediate position of box sets up the motor, main shaft middle part and motor fixed connection, the inside one end of box sets up the front axle bearing, the inside front axle bearing one end of keeping away from of box sets up the back bearing frame, the inside first air supporting bearing that sets up of front axle bearing, the inside second air supporting bearing that sets up of back bearing frame, main shaft and first air supporting bearing, second air supporting bearing fixed connection, back bearing frame one end is kept away from to the main shaft sets up the emery wheel cutter arbor, the emery wheel cutter arbor is kept away from main shaft one end and is set up the emery wheel, back bearing frame one end is kept away from to the main shaft sets up the partition dish, partition dish is kept away from back bearing frame one side and is set up first stabilizing bearing, first stabilizing bearing and front axle bearing fixed connection, main shaft and first stabilizing bearing fixed connection, the utility model discloses make the stability of main shaft obviously promote, the bearing quality of processing obtains effectively guaranteeing.
Description
Technical Field
The utility model relates to an electricity main shaft technical field specifically is a high-accuracy air supporting electricity main shaft.
Background
The bearing is an indispensable part in the industrial field, supports the normal operation of a considerable amount of rotary machines, and in order to enable the operation of the supported rotary structure to be more efficient, the bearing also needs to have enough precision, particularly the inner circle of the bearing needs to be processed with high precision by using a grinding machine, a main shaft is one of the core parts of the grinding machine, the stability of the main shaft has very important influence on the processing quality of the inner circle of the bearing to be processed, the support of the main shaft by the traditional grinding machine is mainly completed by contact type bearings such as a rolling bearing, a ceramic bearing, a dynamic and static pressure bearing and the like, the problems of vibration, noise, heat generation, environmental pollution, energy consumption increase, short service life and the like frequently occur in the working process, the processed bearing also cannot meet the use requirement, although the electric main shaft is developed by related technicians, the stability is higher than that of the conventional mechanical main shaft, but the problems caused by the contact type bearings are still difficult to solve, based on the situation, how to enable the grinding machine spindle to have stronger stability so as to ensure the processing quality of the processed bearing becomes a problem which needs to be solved urgently by related technical personnel.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a high-accuracy air supporting electricity main shaft.
The utility model provides a high-accuracy air supporting electricity main shaft, includes the box, the inside axis position level of box sets up main shaft, its characterized in that: a motor is arranged in the middle of the interior of the box body, the middle part of the main shaft is fixedly connected with the motor, a front bearing seat is arranged at one end in the box body, a rear bearing seat is arranged at one end in the box body, which is far away from the front bearing seat, a first air bearing is arranged in the front bearing seat, a second air bearing is arranged in the rear bearing seat, the main shaft is fixedly connected with the first air bearing and the second air bearing, one end of the main shaft, which is far away from the rear bearing seat, is provided with a grinding wheel cutter bar, a grinding wheel is arranged at one end of the grinding wheel cutter bar, which is far away from the main shaft, a separation disc is arranged at one end of the main shaft, which is far away from the rear bearing seat, a first stabilizing bearing is arranged on one side of the separating disc, which is far away from the rear bearing seat, the first stabilizing bearing is fixedly connected with the front bearing seat, the main shaft is fixedly connected with the first stabilizing bearing, and the first air bearing is positioned on one side, close to the rear bearing seat, of the separating disc.
Furthermore, the box is close to front bearing seat one end sets up the protecgulum, the box is close to back bearing seat one end sets up the back cover, protecgulum, back cover respectively through the bolt with the box is connected, the back cover is kept away from protecgulum one side sets up the aviation and connects.
Furthermore, a second stabilizing bearing is arranged inside the front cover, the second stabilizing bearing is fixedly connected with the front cover, and the main shaft is fixedly connected with the second stabilizing bearing.
Further, the motor comprises a motor stator and a motor rotor, the motor stator is fixedly connected with the box body, the motor rotor is rotatably connected with the motor stator, and the spindle is fixedly connected with the motor rotor.
Furthermore, a stabilizing part is arranged in the middle of the grinding wheel cutter bar, a first installation part is arranged on one side, close to the main shaft, of the stabilizing part, a second installation part is arranged on one side, far away from the main shaft, of the stabilizing part, the grinding wheel cutter bar is fixedly connected with the main shaft through the first installation part, and the grinding wheel is fixedly connected with the second installation part.
The utility model discloses a high-accuracy air supporting electricity main shaft's beneficial effect does:
1. the front part and the rear part of the main shaft are respectively connected with the first air bearing and the second air bearing, so that the problems of vibration, noise, heating, environmental pollution, energy consumption increase, short service life and the like caused by using a contact type bearing to support the main shaft are effectively solved, the stability of the main shaft is obviously improved by combining the support of a motor arranged in the middle of the box body to the main shaft, and the quality of the processed bearing is effectively ensured;
2. the stability that the main shaft is close to emery wheel one end has been strengthened effectively to first stabilizing bearing, second stabilizing bearing, combines the assurance of the steady portion and the first installation department of emery wheel cutter arbor to emery wheel operating stability for the stability of main shaft obtains further promotion.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited thereto.
Fig. 1 is the structural schematic diagram of the high-precision air-floating electric spindle of the present invention.
The device comprises a main body, a first mounting part, a second mounting part, a grinding wheel cutter bar, a front bearing seat, a box body, a motor stator, a rear bearing seat, an aviation joint, a rear cover, a second air bearing, a motor rotor, a main shaft, a first air bearing, a separation disc, a main shaft, a separation disc, a main shaft, a first stabilizing bearing, a second mounting part and a second mounting part, a second mounting part and a second mounting part, wherein the second mounting part, a second mounting part and a second mounting part, and a second mounting part, a third part and a third part, a third.
Detailed Description
In order to make the description clearer, the high-precision air-float motorized spindle of the present invention is further described with reference to the attached drawing fig. 1 of the specification.
The utility model provides a high-accuracy air supporting electricity main shaft, includes box 6, 6 inside axis position levels of box set up main shaft 13, its characterized in that: a motor is arranged in the middle of the interior of the box body 6, the middle of the main shaft 13 is fixedly connected with the motor, a front bearing seat 5 is arranged at one end of the interior of the box body 6, a rear bearing seat 8 is arranged at one end of the interior of the box body 6, which is far away from the front bearing seat 5, a first air bearing 14 is arranged in the interior of the front bearing seat 5, a second air bearing 11 is arranged in the interior of the rear bearing seat 8, the main shaft 13 is fixedly connected with the first air bearing 14 and the second air bearing 11, a grinding wheel cutter bar 4 is arranged at one end of the main shaft 13, which is far away from the rear bearing seat 8, a grinding wheel 3 is arranged at one end of the grinding wheel cutter bar 4, which is far away from the main shaft 13, a separating disc 15 is arranged at one end of the main shaft 13, which is far away from the rear bearing seat 8, a first stabilizing bearing 16 is arranged at one side of the separating disc 15, which is far away from the rear bearing seat 8, and the first stabilizing bearing 16 is fixedly connected with the front bearing seat 5, the main shaft 13 is fixedly connected with the first stabilizing bearing 16, and the first air bearing 14 is located on one side of the separating disc 15 close to the rear bearing seat 8.
Further, the box 6 is close to front bearing seat 5 one end sets up protecgulum 17, the box 6 is close to 8 one ends of rear bearing seat set up back lid 10, protecgulum 17, back lid 10 respectively through the bolt with the box 6 is connected, back lid 10 is kept away from protecgulum 17 one side sets up aviation joint 9.
Further, a second stabilizing bearing 18 is arranged inside the front cover 17, the second stabilizing bearing 18 is fixedly connected with the front cover 17, and the main shaft 13 is fixedly connected with the second stabilizing bearing 18.
Further, the motor comprises a motor stator 7 and a motor rotor 12, the motor stator 7 is fixedly connected with the box body 6, the motor rotor 12 is rotatably connected with the motor stator 7, and the main shaft 13 is fixedly connected with the motor rotor 12.
Furthermore, a stabilizing part 1 is arranged in the middle of the grinding wheel cutter bar 4, a first installation part 19 is arranged on one side, close to the main shaft 13, of the stabilizing part 1, a second installation part 2 is arranged on one side, far away from the main shaft 13, of the stabilizing part 1, the grinding wheel cutter bar 4 is fixedly connected with the main shaft 13 through the first installation part 19, and the grinding wheel 3 is fixedly connected with the second installation part 2.
The utility model discloses a theory of operation of high-accuracy air supporting electricity main shaft does: a grinding wheel 3 with required specification is selected and arranged at the position of the second mounting part 2 of the grinding wheel cutter bar 4, the motor is started, the motor rotor 12 can drive the main shaft 13 to rotate at high speed, and the inner circle surface of the bearing to be processed is processed through the grinding wheel 3, in the process, the first air bearing 14 and the second air bearing 11 always keep the running stability of the main shaft 13, and avoid the problems of vibration, noise, heating, environmental pollution, energy consumption increase, short service life and the like caused by using a contact bearing to support the main shaft 13, the first stabilizing bearing 16 and the second stabilizing bearing 18 always further ensure the stability of the main shaft 13 close to one end of the grinding wheel 3, and by combining the fixed connection of the first mounting part 19 and the main shaft 13 and the stabilizing effect of the stabilizing part 1 on the grinding wheel cutter bar 4, the working stability of the main shaft 13 is obviously improved, and the quality of the processed bearing is effectively ensured.
The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a high-accuracy air supporting electricity main shaft, includes box (6), box (6) inside axis position level sets up main shaft (13), its characterized in that: a motor is arranged in the middle of the interior of the box body (6), the middle of the main shaft (13) is fixedly connected with the motor, a front bearing seat (5) is arranged at one end of the interior of the box body (6), a rear bearing seat (8) is arranged at one end, far away from the front bearing seat (5), of the interior of the box body (6), a first air bearing (14) is arranged in the front bearing seat (5), a second air bearing (11) is arranged in the rear bearing seat (8), the main shaft (13) is fixedly connected with the first air bearing (14) and the second air bearing (11), a grinding wheel cutter bar (4) is arranged at one end, far away from the main shaft (13), of the main shaft (4), a grinding wheel (3) is arranged at one end, far away from the rear bearing seat (8), of the main shaft (13), and a separation disc (15) is arranged at one end, far away from the rear bearing seat (8), a first stabilizing bearing (16) is arranged on one side, far away from the rear bearing seat (8), of the separating disc (15), the first stabilizing bearing (16) is fixedly connected with the front bearing seat (5), the main shaft (13) is fixedly connected with the first stabilizing bearing (16), and the first air bearing (14) is located on one side, close to the rear bearing seat (8), of the separating disc (15).
2. A high-precision air-bearing electric spindle as claimed in claim 1, wherein a front cover (17) is arranged at one end of the box body (6) close to the front bearing seat (5), a rear cover (10) is arranged at one end of the box body (6) close to the rear bearing seat (8), the front cover (17) and the rear cover (10) are respectively connected with the box body (6) through bolts, and an aviation connector (9) is arranged at one side of the rear cover (10) far away from the front cover (17).
3. A high precision air-bearing electric spindle according to claim 2, characterized in that a second stabilizing bearing (18) is arranged inside the front cover (17), and the second stabilizing bearing (18) is fixedly connected with the front cover (17).
4. A high-precision air-bearing electric spindle according to claim 1, characterized in that the motor comprises a motor stator (7) and a motor rotor (12), the motor stator (7) is fixedly connected with the box body (6), the motor rotor (12) is rotatably connected with the motor stator (7), and the spindle (13) is fixedly connected with the motor rotor (12).
5. A high-precision air-bearing motorized spindle as claimed in claim 1, wherein a stabilizer (1) is disposed in the middle of the grinding wheel arbor (4), a first mounting portion (19) is disposed on a side of the stabilizer (1) close to the spindle (13), a second mounting portion (2) is disposed on a side of the stabilizer (1) away from the spindle (13), the grinding wheel arbor (4) is fixedly connected to the spindle (13) through the first mounting portion (19), and the grinding wheel (3) is fixedly connected to the second mounting portion (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120512714.6U CN215281475U (en) | 2021-03-11 | 2021-03-11 | High-precision air-floating electric spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120512714.6U CN215281475U (en) | 2021-03-11 | 2021-03-11 | High-precision air-floating electric spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215281475U true CN215281475U (en) | 2021-12-24 |
Family
ID=79533379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120512714.6U Active CN215281475U (en) | 2021-03-11 | 2021-03-11 | High-precision air-floating electric spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215281475U (en) |
-
2021
- 2021-03-11 CN CN202120512714.6U patent/CN215281475U/en active Active
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