CN210074980U - Integral type lightweight high accuracy gyration shafting - Google Patents
Integral type lightweight high accuracy gyration shafting Download PDFInfo
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- CN210074980U CN210074980U CN201920704849.5U CN201920704849U CN210074980U CN 210074980 U CN210074980 U CN 210074980U CN 201920704849 U CN201920704849 U CN 201920704849U CN 210074980 U CN210074980 U CN 210074980U
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- gyration
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- rotary
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Abstract
The utility model discloses an integral type lightweight high accuracy gyration shafting, including fixed frame, the fixed frame in-connection has the gyration main shaft, fixed frame's outer lane is connected with motor stator, motor stator is connected with the brush, fixed frame's inner circle is connected with electric motor rotor, electric motor rotor is connected with integral type rotor holder, install a pair of slewing bearing, right side in the integral type rotor holder slewing bearing inner circle fixedly connected with fixed frame, right side slewing bearing's bearing inner circle with slewing main shaft connects, the left side slewing bearing's bearing inner circle passes through fixed frame is spacing, left side slewing bearing's bearing inner circle passes through integral type rotor holder is spacing, the last screw mechanical interface that is equipped with of fixed frame. The utility model discloses a gyration shafting has the characteristics that the quality is light, small, the precision is high, and gyration shafting precision can reach within 3 angular seconds.
Description
Technical Field
The utility model relates to a mechanical rotation mechanism technical field particularly, relates to an integral type lightweight high accuracy gyration shafting.
Background
The rotary shaft system is widely applied to industrial production and is an important component of various mechanical equipment. However, in many cases, as "energy saving and environmental protection" become more and more focused topics, light weight is also widely applied to most high-precision mechanical equipment. At present, most of mechanical swing mechanisms mainly comprise a swing shaft, a driving motor, a swing bearing, a motor rotor seat, a motor stator seat and a bearing seat, wherein the swing bearing is installed in the bearing seat in a common connection mode, the swing bearing is directly matched and connected with a shaft, the motor is divided into an electronic rotor and a motor stator, the motor rotor and the motor stator are respectively installed on the motor rotor seat and the motor stator seat, and the motor rotor seat and the motor stator seat are respectively connected with a swing spindle and a fixed frame. The connecting mode causes the shafting to be long, because the connecting mode needs to transversely arrange all parts, enough space is needed to arrange the bearings and the motor, once the installation space is increased, the whole fixed frame is also increased, the frame is generally made of cast iron or cast aluminum materials, and the self weight of the whole frame is larger; if the frame material is made of cast magnesium alloy in order to reduce the self weight of the structure, the total weight is reduced; considering that the frame is a main supporting part of equipment, if the cost is not counted, the whole weight is expected to be reduced to a desired range by adopting the cast magnesium alloy, and the market price of producing the cast magnesium alloy in a single piece is not lower than 1500 yuan/kg.
On the basis of the background that the design principle has obvious defects if the cost is negligible, but the equipment requirement is placed in a region with limited space and special requirements are made on light weight, the invention provides the integrated light-weight high-precision rotary shaft system which can well solve the equipment defects and does not influence the high-precision requirement of the equipment.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides an integral type lightweight high accuracy gyration shafting can overcome the above-mentioned not enough of prior art.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides an integral type lightweight high accuracy gyration shafting, includes fixed frame, the fixed frame in-connection has the gyration main shaft, fixed frame's outer lane is connected with motor stator, motor stator is connected with the brush, fixed frame's inner circle is connected with electric motor rotor, electric motor rotor is connected with integral type rotor seat, install a pair of slewing bearing in the integral type rotor seat, the right side slewing bearing inner circle fixedly connected with fixed frame, right side slewing bearing's bearing outer lane with the gyration main shaft is connected, the left side slewing bearing's bearing inner circle passes through fixed frame spacingly, the left side slewing bearing's bearing outer lane passes through the integral type rotor seat is spacing, the last screw machine interface that is equipped with of fixed frame.
Further, the motor stator is connected with the fixed frame through screws.
Further, the slewing bearing is a back-to-back angular contact bearing.
Furthermore, a bearing inner spacer ring is connected between the inner rings of the two slewing bearings, and a bearing outer spacer ring is connected between the outer rings of the two slewing bearings.
Furthermore, the bearing inner ring of the right rotary bearing is connected with the fixed frame through a locking nut.
Furthermore, the fixed frame is connected with a dustproof cover plate, the fixed frame is connected with the dustproof cover plate through a screw, and the dustproof cover plate is movably connected with the rotary main shaft.
The utility model has the advantages that: the utility model discloses the motor and the bearing of taking the integral type drive and the gyration to the gyration shafting, and effectual ordinary shafting of having avoided leads to defects such as whole gyration shafting quality is heavy, bulky according to components of a whole that can function independently design thinking. The utility model discloses a rotor of motor and bearing are gyration simultaneously to drive the axle and move the gyration together, guarantee the high accuracy of gyration shafting, the utility model discloses a gyration shafting has the characteristics that the quality is light, small, the precision is high, and gyration shafting precision can reach within 3 angular seconds.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 creative efforts.
Fig. 1 is a three-dimensional view of an integrated lightweight high-precision rotary shaft system according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
in the figure: 1. a fixed frame; 2. a motor stator; 3. an electric brush; 4. a dust-proof cover plate; 5. a motor rotor; 6. an integral rotor base; 7. locking the nut; 8. a rotating main shaft; 9. a slew bearing; 10. a bearing inner spacer ring; 11. and a bearing outer space ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-2, an integrated lightweight high-precision rotary shafting according to an embodiment of the present invention includes a fixed frame 1, a rotary main shaft 8 is connected in the fixed frame 1, a motor stator 2 is connected to an outer ring of the fixed frame 1, the motor stator 2 is connected to a brush 3, an inner ring of the fixed frame 1 is connected to a motor rotor 5, the motor rotor 5 is connected to an integrated rotor base 6, a pair of rotary bearings 9 is installed in the integrated rotor base 6, an inner bearing ring of the rotary bearing 9 on the right side is fixedly connected to the fixed frame 1, an outer bearing ring of the rotary bearing 9 on the right side is connected to the rotary main shaft 8, an inner bearing ring of the rotary bearing 9 on the left side is limited by the fixed frame 1, and an outer bearing ring of the rotary bearing 9 on the left side is limited by the integrated rotor, and a screw mechanical interface is arranged on the fixed frame 1.
In a specific embodiment, the motor stator 2 is connected to the fixed frame 1 by screws.
In a specific embodiment, the slew bearing 9 is a back-to-back angular contact bearing.
In a specific embodiment, a bearing inner spacer 10 is connected between the inner rings of the two slewing bearings 9, and a bearing outer spacer 11 is connected between the outer rings of the two slewing bearings 9.
In a specific embodiment, the bearing inner ring of the slewing bearing 9 on the right side is connected with the fixed frame 1 through a lock nut 7.
In a specific embodiment, the fixed frame 1 is connected with a dust cover plate 4, the fixed frame 1 is connected with the dust cover plate 4 through a screw, and the dust cover plate 4 is movably connected with the rotary main shaft 8.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
According to the utility model, the integrated lightweight high-precision rotary shaft system comprises a fixed frame 1, wherein the fixed frame 1 is a bearing carrier for other important parts of the rotary shaft system, and the integrated lightweight high-precision rotary shaft system keeps an interface good with the outside and is connected with the rotary shaft system through screws; the utility model also comprises a motor stator 2, a motor rotor 5 and a brush 3, the motor stator 2 and the brush 3 are arranged on the outer ring and are connected with the fixed frame 1 by screw threads; the electronic rotor is arranged on the inner ring; the slewing bearing 9 is a pair of back-to-back angular contact bearings, the slewing bearing 9 is connected with the slewing main shaft 8 and is equivalent to a bearing end cover, and the high-precision rotation of the whole shaft system is realized through the driving of a motor.
The integrated rotor seat 6 can be used as a rotor seat of the motor rotor 5 and also can be used as a bearing seat of a rotary bearing 9, the rotary bearing 9 adopts a pair of back-to-back angle contact bearings, the rotary shaft system is considered to be a high-precision shaft system, two ends of the rotary bearing 9 are constrained to limit the translational freedom of the bearing, one end of the rotary bearing 9 is limited by a rotary main shaft 8 and a locking nut 7, the other end of the rotary bearing 9 is limited by the integrated rotor seat 6 and a fixed frame 1, the freedom of the rotary bearing 9 is limited, and the specific assembly position can be finely adjusted by the matched grinding of an outer bearing spacer 11 and an inner bearing spacer 10; the rotary main shaft 8 is used as a bearing end cover and is connected with the rotary bearing 9, and the outer ring of the rotary bearing 9 and the rotary main shaft 8 rotate together; the rotary shaft system adopts the dustproof cover plate 4 to prevent the rotary bearing and the motor from being interfered by the external environment, and the dustproof cover plate 4 is connected with the rotary main shaft 8 by adopting a dynamic sealing technology to prevent the interference generated on the high-precision rotation of the shaft system.
The utility model discloses when gyration shafting revolves, with fixed frame 1 through reserve the screw machinery interface connect to other fixed carriers above, whole gyration shafting enables, form the closed ring with motor and driver and other control interface, send signal to the motor, the system adopts the multiple loop subordinate structure control mode of constituteing by electric current ring, position ring control circuit, through D/A conversion card control motor driver's input, motor driver driving motor realizes the control to the motor, guarantees the precision of system; the driver is installed in an electrical cabinet, and then the motor rotor 5 rotates; as shown in fig. 2, the motor rotor 5 is connected with the integrated rotor base 6, a pair of back-to-back angular contact bearings is installed in the integrated rotor base 6, the outer ring of the whole rotary bearing 9 rotates under the driving of the motor rotor 5 to drive the rotary main shaft 8 to rotate together, and the high-precision change, position, speed and parking requirements of the rotary shaft system are met.
The utility model discloses can set up automatic mode of making change, whole rotary shaft system goes up the electricity back, selects automatic mode of making change under control software running mode, and rotary shaft system moves the zero-bit with default speed, and whole rotary shaft system is in closed loop control state, and rotary shaft system prepares at any time to receive new operating command, and when rotary shaft system moves the zero-bit with default speed, electric motor rotor 5, integral type rotor holder 6, slewing bearing 9, gyration main shaft 8 will move together.
The utility model discloses can set up and get into position mode, the gyration shafting is in under the closed-loop control state, and the gyration shafting passes through the control software interface and sends the order to the gyration shafting, including the position that the gyration shafting specifically needs to move to and two parameters of speed, under the general condition, the position is through the input interface input, and speed is generally acquiesced, when getting into position mode, electric motor rotor 5 obtains the response immediately, and electric motor rotor seat promptly integrates rotor seat 6 and also will respond with the same speed, the gyration of control gyration main shaft 8, the utility model discloses the bearing of chooseing for use is back to back angular contact bearing, and the gyration precision is high, good reproducibility, and this gyration shafting angular position precision can reach within 3 angle seconds.
The utility model discloses can set up and get into angular velocity function, under this mode, the driver mainly receives two parameter commands, and this order is mainly through the keyboard input on the control software interface, and the parameter of input mainly includes: when the angular acceleration and the designated angular velocity in the process of going to the designated velocity are obtained, the motor rotor 5 is quickly responded after a command is obtained, the rotary bearing 9 also moves at the same angular acceleration, then the rotary bearing 9 also drives the rotary main shaft 8 to move together, and the rotary main shaft 8 is connected with a load to be measured by a user or other objects needing to be rotated by the user until the speed is reached, so that the purpose of the user is achieved.
The utility model discloses can realize parking function, under this mode, the driver mainly receives braking and acceleration order, obtains the braking order after, the driver responds immediately, and the motor is reverse gyration immediately to acquiescence acceleration or appointed acceleration motion, until electric motor rotor 5 and gyration main shaft 8 stop the gyration.
The utility model discloses realize parking function, under this mode, the driver mainly receives braking and acceleration order, obtains the braking order after, the driver responds immediately, and the motor is reverse gyration immediately to acquiescence acceleration or appointed acceleration motion, until electric motor rotor 5 and gyration main shaft 8 stop the gyration.
To sum up, the utility model discloses the motor and the bearing of taking the integral type drive and the gyration to the gyration shafting, and effectual ordinary shafting of having avoided leads to defects such as whole gyration shafting quality is heavy, bulky according to components of a whole that can function independently design thinking. The utility model discloses a rotor of motor and bearing are gyration simultaneously to drive the axle and move the gyration together, guarantee the high accuracy of gyration shafting, the utility model discloses a gyration shafting has the characteristics that the quality is light, small, the precision is high, and gyration shafting precision can reach within 3 angular seconds.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an integral type lightweight high accuracy gyration shafting, its characterized in that includes fixed frame (1), fixed frame (1) in-connection has gyration main shaft (8), the outer lane of fixed frame (1) is connected with motor stator (2), motor stator (2) are connected with brush (3), the inner circle of fixed frame (1) is connected with motor rotor (5), motor rotor (5) are connected with integral type rotor holder (6), install a pair of slew bearing (9) in integral type rotor holder (6), the right side the bearing inner circle fixedly connected with fixed frame (1) of slew bearing (9), the right side the bearing outer lane of slew bearing (9) with gyration main shaft (8) are connected, the left side the bearing inner circle of slew bearing (9) is spacing through fixed frame (1), the left side the bearing outer lane of slew bearing (9) is spacing through integral type rotor holder (6), and a screw mechanical interface is arranged on the fixed frame (1).
2. An integrated lightweight high-precision rotary shafting according to claim 1, wherein said motor stator (2) is connected to said fixed frame (1) by means of screws.
3. An integrated lightweight high accuracy slewing shafting according to claim 2, characterized in that said slewing bearing (9) is a back-to-back angular contact bearing.
4. An integrated light-weight high-precision rotary shaft system according to claim 3, characterized in that an inner bearing spacer (10) is connected between the inner rings of the two rotary bearings (9), and an outer bearing spacer (11) is connected between the outer rings of the two rotary bearings (9).
5. An integrated light-weight high-precision rotary shaft system according to claim 4, characterized in that the bearing inner ring of the right rotary bearing (9) is connected with the fixed frame (1) through a lock nut (7).
6. An integrated lightweight high-precision rotary shafting according to claim 5, wherein said fixed frame (1) is connected with a dust-proof cover plate (4), said fixed frame (1) is connected with said dust-proof cover plate (4) by screws, and said dust-proof cover plate (4) is movably connected with said rotary main shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704849.5U CN210074980U (en) | 2019-05-17 | 2019-05-17 | Integral type lightweight high accuracy gyration shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704849.5U CN210074980U (en) | 2019-05-17 | 2019-05-17 | Integral type lightweight high accuracy gyration shafting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210074980U true CN210074980U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920704849.5U Expired - Fee Related CN210074980U (en) | 2019-05-17 | 2019-05-17 | Integral type lightweight high accuracy gyration shafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210074980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352869A (en) * | 2021-12-22 | 2022-04-15 | 九江冠成仿真技术有限公司 | Compact high-precision single-shaft holder |
-
2019
- 2019-05-17 CN CN201920704849.5U patent/CN210074980U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352869A (en) * | 2021-12-22 | 2022-04-15 | 九江冠成仿真技术有限公司 | Compact high-precision single-shaft holder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |