CN108183578B - Double-type coaxial servo driving device - Google Patents
Double-type coaxial servo driving device Download PDFInfo
- Publication number
- CN108183578B CN108183578B CN201810258152.XA CN201810258152A CN108183578B CN 108183578 B CN108183578 B CN 108183578B CN 201810258152 A CN201810258152 A CN 201810258152A CN 108183578 B CN108183578 B CN 108183578B
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- Prior art keywords
- roller
- bearing
- driving
- rotor
- gear set
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- 238000007789 sealing Methods 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000005461 lubrication Methods 0.000 claims description 8
- 241000854291 Dianthus carthusianorum Species 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Abstract
The utility model provides a coaxial servo drive of two substructure, including the frame and set up the servo drive roller in the frame, the roller has two, arranges from top to bottom, parallel arrangement, and the axle head of roller is provided with driving motor, and driving motor includes the stator, sets up the rotor body in the stator, and the rotor body is concentric fixed connection with roller one end, and two driving motor structures are unanimous, symmetrical arrangement, and the stator of two driving motor is the integral type structure of 8 font, is provided with the encoder on the roller. The invention has the advantages of ingenious structure, novel conception, compact structure, small occupied space, large driving torque, stable transmission, long working time, long maintenance period, less electric energy consumption, small mechanical abrasion and long service life, and greatly improves the working efficiency, stability and precision of high-speed servo driving.
Description
Technical Field
The invention relates to the field of servo motors, in particular to a coaxial servo driving device with a double-substructure.
Background
With the increasing requirements on the precision of the processing technology in the current production environment, meanwhile, intelligent production has new requirements on the processing precision and the processing efficiency, so that a plurality of devices need to be driven by a servo motor to achieve the effect. However, the utilization of the servo motor in the existing equipment is insufficient, the positioning under the servo drive is realized only at a lower running speed, the equipment running at a high speed is easy to make mistakes, the efficiency is low, meanwhile, the efficiency can not meet the requirements of high-speed and automatic intelligent production only by adopting the mutually independent servo motor drive.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a double-rotor type coaxial servo driving device.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the utility model provides a coaxial servo drive of two formula, includes the frame and sets up the servo drive roller in the frame, the roller has two, arranges from top to bottom, parallel arrangement, and the axle head of roller is provided with driving motor, and driving motor includes the stator, sets up the rotor body in the stator, and the rotor body is concentric fixed connection with roller one end, and two driving motor structures are unanimous, and symmetrical arrangement, two driving motor's stator are 8 font integral type structures, are provided with the encoder on the roller.
In the invention, the rotor body comprises a rotor shaft fixedly connected with the roller and a rotor fixing sleeve separated from a stator gap, wherein the rotor fixing sleeve is of two opposite conical structures with gaps, one conical opening is outward, the other conical opening is inward, and the rotor shaft and the rotor fixing sleeve are fixed into a whole through a fixing frame in the middle of the two conical structures.
Further, the fixing frame is provided with a hole with internal threads, and the hole is used as a drawing hole, so that the fixing frame is convenient to detach.
In the invention, a shell is arranged outside the stator of the driving motor, an end cover is arranged at the end of the shell, a cover plate is arranged in the shell, a gap is reserved between the cover plate and the rotor shaft, a sealing structure is arranged at the gap, and an organic frame is arranged outside the roller for supporting and connecting.
Further, a bearing is arranged on the rotor shaft among the cover plate, the sealing structure and the roller, and the bearing is fixedly connected with the frame through a bearing flange.
Further, the surface of the rotor shaft between the cover plate and the bearing is provided with threads, and the threads are provided with lock nuts which are in threaded connection and fixed, and the axial position of the bearing is clamped, so that the bearing is prevented from sliding.
Further, a sealing structure is arranged between the bearing flange and the rotor shaft, so that the two sealing structures are matched with the rotor shaft, the bearing flange, the cover plate, the shell and the machine frame to form a sealed lubrication space for the bearing.
In the invention, one end of the roller is a driving end, the other end of the roller is a driving end or a non-driving end, the driving end is connected with a driving motor, the non-driving end is connected with a gear set shaft head, and the non-driving end is connected with a gear box through the gear set shaft head.
Further, a bearing is arranged on the gear set shaft head, the bearing is fixedly connected with the machine frame through a bearing flange, one side of the bearing is connected with the roller, a sealing ring is arranged between the bearing flange and the gear set shaft head, and the sealing ring at the bearing flange is fixed on the gear set shaft head through a steel ring bushing, so that the sealing ring is matched with the gear set shaft head, the steel ring bushing and the bearing flange to form a sealed lubrication space for the bearing.
Furthermore, a gear is sleeved at the joint of the gear set shaft head and the gear box, and the gear is kept stably fixed with the gear set shaft head through a gear expansion sleeve.
In the invention, a lubricating oil pipe is arranged in the lubricating space, the whole mechanism is lubricated through the shell and the frame, and the lubricating oil pipe is connected with an independent lubricating pump, so that the circulation and the filtration of lubricating oil are realized.
In the invention, the rotor shaft and the roller are fixedly connected through a roller flange, or the rotor shaft and the roller are integrally structured, and the gear set shaft head and the roller are integrally structured through the roller flange.
In the invention, the surface of the roller is provided with a functional structure, which specifically comprises a cutter, a template, a coating, a mirror surface, lines and the like, so as to respectively meet various requirements.
Compared with the prior art, the invention has the following advantages:
the setting of the two formula servo drive rollers, two driving motor of the unanimous symmetrical arrangement of structure for two driving motor can keep synchronous operation, improves work efficiency, 8 font's integral type stator, has more eliminated the twisting tendency that brings when the rotor rotates, has reduced the motor work and to setting up the stress that brings, has improved driving motor's life, more reduces two driving motor asynchronous possibility.
The special driving motor rotor structure, the rotor shaft and the roller are fixedly connected into an integral structure, the rotor rotates to directly drive the roller to synchronously rotate, an intermediate transmission part is omitted, the structure is compact, the occupied space is small, the transmission stability is greatly enhanced, the driving force is large, and the transmission torque is large.
The sealing and lubricating structure on the rotor shaft is realized through the stepped flange and the sealing ring, so that the rotor shaft is kept fully lubricated during rotation, and the driving motor can drive the roller to run at high speed.
Drawings
FIG. 1 is a schematic view of the external shape of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
fig. 4 is a partial enlarged view of fig. 3.
In the figure: a frame 1,
Roller 2, roller flange 21,
A driving motor 3, a rotor shaft 31, a rotor fixing sleeve 32, a fixing frame 33, a cover plate 34, a sliding sleeve 35, a stator 36,
A gear box 4, a gear set shaft head 41, a gear expansion sleeve 42, a gear 43,
The device comprises a shell 5, an end cover 6, a sealing ring 7, a bearing 8, a bearing flange 9, a steel ring bushing 10 and a lock nut 11.
Detailed Description
The invention is further described below in connection with the drawings and the specific preferred embodiments, but the scope of protection of the invention is not limited thereby.
Referring to fig. 1-4, the twin-type coaxial servo driving device comprises a frame 1 and two servo driving rollers 2 arranged in the frame 1, wherein the two servo driving rollers 2 are arranged up and down and are arranged in parallel, one end of each roller 2 is provided with a driving motor 3 as a driving end, each driving motor 3 comprises a stator 36, a rotor body arranged in the stator 36 and an encoder, the rotor body is fixedly connected with one end of each roller 2 in a concentric manner, each rotor body comprises a rotor shaft 31 fixedly connected with the corresponding roller 2 and a rotor fixing sleeve 32 spaced from the corresponding stator 36, each rotor fixing sleeve 32 is in two opposite conical structures with gaps, one conical opening is outwards, one conical opening is inwards, the rotor shaft 31 and the rotor fixing sleeve 32 are fixed into a whole through a fixing frame 33 in the middle of the two conical structures, and a drawing hole with internal threads is formed in the fixing frame 33; the driving motor stator 36 is externally provided with a shell 5, an end cover 6 is arranged at the end of the shell 5, a cover plate 34 is arranged in the shell 5, a gap is reserved between the cover plate 34 and the rotor shaft 31, a sliding sleeve 35 is arranged at the gap, the sliding sleeve 35 is respectively connected with the cover plate 34 and the rotor shaft 31, a bearing 8 is arranged between the sliding sleeve 35 and the roller 2 and is fixedly connected with the machine frame 1 through a bearing flange 9, threads are arranged on the surface of the rotor shaft 31 between the cover plate 34 and the bearing 6, and a locking nut 11 is arranged on the threads to be screwed and fixed and clamp the axial position of the bearing 31; the sliding sleeve 35 is provided with a sealing ring 7, the other side of the bearing 8 is provided with the sealing ring 7 between the bearing flange 9 and the rotor shaft 31, the sealing ring 7 at the bearing flange 9 is fixed on the rotor shaft 31 through the steel ring bushing 10, so that the two sealing rings 7 are matched with the rotor shaft 31, the sliding sleeve 35, the steel ring bushing 10, the bearing flange 9 and the cover plate 34 to form a sealed lubrication space for the bearing 8, the two driving motors are consistent in structure and symmetrically arranged, and stators of the two driving motors are of an 8-shaped integrated structure; the other end of the roller 2 is a non-driving end and is connected with a gear set shaft head 41, the gear set shaft head 41 is connected with a gear box 4 through the gear set shaft head 41, a bearing 8 is arranged on the gear set shaft head 41 and fixedly connected with the machine frame 1 through a bearing flange 9, the bearing 8 is connected with one side of the roller 2, a sealing ring 7 is arranged between the bearing flange 9 and the gear set shaft head 41, the sealing ring 7 at the position of the bearing flange 9 is fixed on the gear set shaft head 41 through a steel ring bushing 10, the sealing ring 7 is matched with the gear set shaft head 41, the steel ring bushing 10 and the bearing flange 9 to form a sealed lubrication space for the bearing 8, a gear 43 is sleeved at the joint of the gear set shaft head 41 and the gear box 4, the gear 43 is kept stably fixed with the gear set shaft head 41 through a gear expansion sleeve 42, the rotor shaft 31 is fixedly connected with the roller 2 through a roller flange 21, and the gear set shaft head 41 is connected with the roller 2 through the roller flange 21.
When the invention is applied to driving work, the driving motor 3 rotates, the rotor shaft 31 of the driving motor 3 drives the roller 2 to rotate, the roller 2 drives the gear set shaft head 31 to rotate, and then the gear box 4 is driven to work, in the process, the rotor shaft 31, the roller 2 and the gear set shaft head 31 are in high-speed synchronous rotation, two sealing rings 7 at the rotor shaft 31, the sliding sleeve 35, the steel ring bushing 10, the bearing flange 9 and the cover plate 34 are in sealing lubrication, and the sealing rings 7 at the gear set shaft head 31, the gear set shaft head 41, the steel ring bushing 10 and the bearing flange 9 are in sealing lubrication, so that support is provided for high-speed rotation. In the whole driving working process, the two driving motors 3 work synchronously, so that the working efficiency is greatly improved.
Therefore, the invention has the advantages of ingenious structure, novel conception, compact structure, small occupied space, large driving force, stable transmission, long working time, long maintenance period, less electric energy consumption, small mechanical abrasion and long service life, and greatly improves the working efficiency of high-speed servo drive.
Claims (5)
1. The double-type coaxial servo driving device is characterized by comprising a machine frame and two servo driving rollers arranged in the machine frame, wherein the two servo driving rollers are arranged up and down and are arranged in parallel, the shaft ends of the rollers are provided with driving motors, each driving motor comprises a stator and a rotor body arranged in the stator, the rotor bodies are fixedly connected with one end of the roller in a concentric manner, the two driving motors are consistent in structure and are symmetrically arranged, the stators of the two driving motors are of a 8-shaped integrated structure, and the rollers are provided with encoders;
the rotor body comprises a rotor shaft fixedly connected with the roller and a rotor fixing sleeve separated from a stator gap, the rotor fixing sleeve is of two oppositely arranged conical structures with gaps, one conical opening is outwards, the other conical opening is inwards, the rotor shaft and the rotor fixing sleeve are fixed into a whole through a fixing frame in the middle of the two conical structures, and a hole with internal threads is formed in the fixing frame and used as a drawing hole;
the driving motor stator is externally provided with a shell, the shell is provided with a cooling structure, the end of the shell is provided with an end cover, the shell is internally provided with a cover plate, a gap is reserved between the cover plate and the rotor shaft, a sealing structure is arranged at the gap, and an organic frame is arranged outside the roller for supporting and connecting;
a bearing is arranged on the rotor shaft among the cover plate, the sealing structure and the roller, and the bearing is fixedly connected with the frame through a bearing flange;
the surface of the rotor shaft between the cover plate and the bearing is provided with threads, and the threads are provided with lock nuts which are in threaded connection and fixed, and the axial position of the bearing is clamped;
and a sealing structure is arranged between the bearing flange and the rotor shaft, so that the two sealing structures are matched with the rotor shaft, the bearing flange, the cover plate, the shell and the machine frame to form a sealed lubrication space for the bearing.
2. The twin-type coaxial servo drive device according to claim 1, wherein one end of the roller is a driving end, the other end is a non-driving end, the driving end is connected with a driving motor, the non-driving end is connected with a gear set shaft head, and a gear box is connected with the gear set shaft head.
3. The twin type coaxial servo driving device according to claim 2, wherein the gear set shaft head is provided with a bearing, the bearing is fixedly connected with the machine frame through a bearing flange, the bearing is connected with one side of the roller, a sealing ring is arranged between the bearing flange and the gear set shaft head, and the sealing ring at the bearing flange is fixed on the gear set shaft head through a steel ring bushing, so that the sealing ring is matched with the gear set shaft head, the steel ring bushing and the bearing flange to form a sealed lubrication space for the bearing.
4. The twin type coaxial servo drive device according to claim 2, wherein a gear is sleeved at the joint of the gear set shaft head and the gear box, and the gear is kept stably fixed with the gear set shaft head through a gear expansion sleeve.
5. The twin type coaxial servo drive device according to claim 2, wherein the rotor shaft and the roller are fixedly connected through a roller flange or integrally formed, and the gear cluster head and the roller are integrally connected through a roller flange or integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258152.XA CN108183578B (en) | 2018-03-27 | 2018-03-27 | Double-type coaxial servo driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258152.XA CN108183578B (en) | 2018-03-27 | 2018-03-27 | Double-type coaxial servo driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108183578A CN108183578A (en) | 2018-06-19 |
| CN108183578B true CN108183578B (en) | 2024-04-02 |
Family
ID=62553787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810258152.XA Active CN108183578B (en) | 2018-03-27 | 2018-03-27 | Double-type coaxial servo driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108183578B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014058051A1 (en) * | 2012-10-12 | 2014-04-17 | 国際計測器株式会社 | Two-output-shaft motor, motor unit, power simulator, torsion testing device, rotational torsion testing device, tire testing device, linear actuator and vibration device |
| JP2014121100A (en) * | 2012-12-13 | 2014-06-30 | Panasonic Corp | Motor |
| CN103904818A (en) * | 2014-04-15 | 2014-07-02 | 西安交通大学 | Conical-rotor servo motor direct-driven flywheel energy storage type plate connecting device |
| JP2014171388A (en) * | 2014-06-25 | 2014-09-18 | Toshiba Corp | Motor |
| CN104300732A (en) * | 2014-10-11 | 2015-01-21 | 大连宝锋机器制造有限公司 | Flaking roller structure for built-in bilateral drive flaking mill |
| CN205272379U (en) * | 2015-12-23 | 2016-06-01 | 大连宝锋机器制造有限公司 | Open mill |
| CN106050664A (en) * | 2016-08-05 | 2016-10-26 | 北京朗禾科技有限公司 | Composite rotor vacuum pump |
| CN106151031A (en) * | 2016-09-30 | 2016-11-23 | 北京艾岗科技有限公司 | A kind of oil free screw air compressor machine |
| CN206272395U (en) * | 2016-12-06 | 2017-06-20 | 万丰卡达克新动力有限公司 | A kind of used in new energy vehicles motor bearings oil lubrication improved structure |
| CN208112422U (en) * | 2018-03-27 | 2018-11-16 | 河南凌翼智联装备有限公司 | The coaxial servo drive of Shuangzi formula |
-
2018
- 2018-03-27 CN CN201810258152.XA patent/CN108183578B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014058051A1 (en) * | 2012-10-12 | 2014-04-17 | 国際計測器株式会社 | Two-output-shaft motor, motor unit, power simulator, torsion testing device, rotational torsion testing device, tire testing device, linear actuator and vibration device |
| JP2014121100A (en) * | 2012-12-13 | 2014-06-30 | Panasonic Corp | Motor |
| CN103904818A (en) * | 2014-04-15 | 2014-07-02 | 西安交通大学 | Conical-rotor servo motor direct-driven flywheel energy storage type plate connecting device |
| JP2014171388A (en) * | 2014-06-25 | 2014-09-18 | Toshiba Corp | Motor |
| CN104300732A (en) * | 2014-10-11 | 2015-01-21 | 大连宝锋机器制造有限公司 | Flaking roller structure for built-in bilateral drive flaking mill |
| CN205272379U (en) * | 2015-12-23 | 2016-06-01 | 大连宝锋机器制造有限公司 | Open mill |
| CN106050664A (en) * | 2016-08-05 | 2016-10-26 | 北京朗禾科技有限公司 | Composite rotor vacuum pump |
| CN106151031A (en) * | 2016-09-30 | 2016-11-23 | 北京艾岗科技有限公司 | A kind of oil free screw air compressor machine |
| CN206272395U (en) * | 2016-12-06 | 2017-06-20 | 万丰卡达克新动力有限公司 | A kind of used in new energy vehicles motor bearings oil lubrication improved structure |
| CN208112422U (en) * | 2018-03-27 | 2018-11-16 | 河南凌翼智联装备有限公司 | The coaxial servo drive of Shuangzi formula |
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| Publication number | Publication date |
|---|---|
| CN108183578A (en) | 2018-06-19 |
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