CN208548764U - Heat-insulated cooling structure for embedded coaxial servo-drive roller - Google Patents
Heat-insulated cooling structure for embedded coaxial servo-drive roller Download PDFInfo
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- CN208548764U CN208548764U CN201820418267.6U CN201820418267U CN208548764U CN 208548764 U CN208548764 U CN 208548764U CN 201820418267 U CN201820418267 U CN 201820418267U CN 208548764 U CN208548764 U CN 208548764U
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Abstract
Heat-insulated cooling structure for embedded coaxial servo-drive roller, driving motor including one end in roller is arranged in, driving motor includes stator axis, the stator being fixedly connected in stator axis and the rotor that stator peripheral is arranged in, it is fixedly connected between rotor periphery and roller outer rim by ring flange, there is gap between rotor outer wall and roller inner wall, the threading channel for wearing conducting wire is offered in stator axis, offers liquid cooling circulation canal in stator axis；Thermal insulation layer is filled in gap, thermal insulation layer includes the insulating moulding coating layer for being applied to rotor outer wall and roller inner wall respectively；Filled with the insulation material layer being located between two insulating moulding coating layers in gap.The utility model is compact-sized, the operation is stable, good heat-insulation effect, stable drive, long service life.
Description
Technical field
The utility model belongs to machining equipment technical field, more particularly to a kind of for embedded coaxial servo-drive
The heat-insulated cooling structure of roller.
Background technique
It is higher and higher to the required precision of processing technology in production environment with showing, while intelligent production is also to processing
Precision and processing efficiency have new requirement, so many equipment need to drive using servo motor to realize the effect.It is existing
The driving method of pair roller barrel mostly uses the traditional approach such as synchronous belt, gear, shaft coupling to be driven in equipment, using above-mentioned transmission side
Formula, structure is complicated, and occupied space is big, and power consumption is big, and in transmission process, and the abrasion loss of equipment is big, and transmission stability is poor, passes
Dynamic calorific value is big, influences the normal operation and service life of equipment.In addition, transmission efficiency is low, transfer of torque is low, is not suitable for height
Fast positioning transmission, roller integrally cannot be guaranteed good dynamic balancing, when using Dual-motors Driving, poor synchronization, and the control to motor
Precision processed is low, and response speed is slow, and equipment operation stability is poor.
Utility model content
The utility model provides a kind of compact-sized, the operation is stable, heat-insulated to solve shortcoming in the prior art
Effect is good, stable drive, the heat-insulated cooling structure with long service life for embedded coaxial servo-drive roller.
In order to solve the above technical problems, the utility model adopts the following technical solution: being used for embedded coaxial servo-drive
The heat-insulated cooling structure of roller, the driving motor including one end in roller is arranged in, driving motor include stator axis, are fixedly connected
Stator in stator axis and the rotor that stator peripheral is arranged in, pass through the fixed company of ring flange between rotor periphery and roller outer rim
It connects, there is gap between rotor outer wall and roller inner wall, the threading channel for wearing conducting wire is offered in stator axis.
Liquid cooling circulation canal is offered in stator axis.
Thermal insulation layer is filled in gap, thermal insulation layer includes the insulating moulding coating for being applied to rotor outer wall and roller inner wall respectively
Layer.
Filled with the insulation material layer being located between two insulating moulding coating layers in gap.
Insulation material layer uses fibrous composite.
Antiradiation layer is provided with outside the insulating moulding coating layer of roller inner wall.
Antiradiation layer uses metal foil or thin-film material.
The stepped structure of ring flange, flange plate outer ring are fixedly connected on roller by the first mounting screw, method
Blue disk inner ring is fixedly connected on rotor.
By adopting the above technical scheme, embedded servo-drive roller further includes base, offers cavity in base, in base
It is at least rotatably connected to a roller within the cavity, roller outer wall at least one end is provided with position limited gear, stator shaft end
Portion is fixedly connected on base by adapter sleeve, be provided in stator axis be located at rotor and stator two sides first bearing and
Second bearing is provided with servo control unit in base；The servo control unit includes encoder, servo-driver and control
The PLC of servo-driver, encoder are arranged on driving motor and are electrically connected with driving motor, servo-driver and driving motor
Electrical connection；
First bearing is arranged in ring flange, and the bearing inner race of first bearing is fixedly connected with stator axis outer wall, first axle
The bearing outer ring held is fixedly connected with ring flange inner wall, and first bearing is provided with the first rubber seal close to the end of stator,
First rubber seal is arranged in ring flange；Second bearing is arranged in stator axis by bearing block, and bearing block setting is turning
On son or roller inner wall, the bearing inner race of second bearing is fixedly connected with stator axis outer wall, the bearing outer ring and axis of second bearing
An inner wall is held to be fixedly connected；The second rubber seal is provided between roller both ends outer wall and cavity inner wall.
Interval is rotatably connected to two rollers being parallel to each other in the base；Drive is provided with inside every roller both ends
Dynamic motor；The stator axis of two driving motors is same axis in every roller, and the stator axis runs through whole roller.
By adopting the above technical scheme, embedded servo-drive roller has the advantages that
1, driving motor is arranged in roller, and driving motor uses the structure of inner stator outer rotor, and stator is arranged in stator
On axis, stator axis is fixed on base by adapter sleeve, and rotor is fixedly connected by ring flange with roller, while rotor rotates
Directly roller is driven to rotate synchronously, using above-mentioned connection structure, eliminates intermediate transmission component, it is compact-sized, it occupies little space,
The stationarity of transmission is greatly strengthened, and driving force is big, transfer of torque is big, can be used for high-speed drive.
2, the stepped structure of ring flange, flange plate outer ring are fixedly connected on roller by the first mounting screw, flange
Disk inner ring is fixedly connected on rotor, using the above structure, easy to disassemble, and stable connection, stable drive.
3, liquid cooling circulation canal is offered in stator axis, is connected external refrigeration equipment, is made generated heat in transmission process
Amount is discharged by liquid cooling circulation canal, improves the stability of transmission.
4, there is gap between rotor outer wall and roller inner wall, substantially reduce the contact area of rotor and roller, gap
Interior to be filled with thermal insulation layer, thermal insulation layer includes being applied to the insulating moulding coating layer of rotor outer wall and roller inner wall respectively and positioned at two
The insulating moulding coating layer of insulation material layer between insulating moulding coating layer, roller inner wall is provided with antiradiation layer outside, so that rotor is turning
The heat generated during dynamic is not transferred to roller, avoids roller from generating heat, influences machining accuracy.
5, driving motor is controlled using servo control unit, and the angular displacement that driving motor rotation generates is converted by encoder
Electric signal is simultaneously transferred to servo-driver, controls servo-driver by PLC and carries out SERVO CONTROL to driving motor, using servo
Control unit speed-regulating range width, positioning accuracy is high, and stability is high, is enable to respond quickly.
6, first bearing is provided with the first rubber seal close to the end of stator, roller both ends outer wall and cavity inner wall it
Between be provided with the second rubber seal, enhance leakproofness, avoid used oil leak in roller, keep its work steady
It is fixed.
7, it can will be all provided with centrally-mounted driving in roller both ends, enhance driving force and torque, suitable for running at high speed, and
Same axis is set by the stator axis of two driving motors, makes its stable drive.
Detailed description of the invention
Fig. 1 is the main view the schematic diagram of the section structure of embedded servo-drive roller；
Fig. 2 is the side structure schematic view of Fig. 1；
Fig. 3 is the enlarged drawing in Fig. 1 at A；
Fig. 4 is the enlarged drawing in Fig. 1 at C.
Specific embodiment
As shown in Figs 1-4, embedded servo-drive roller includes base 1, offers cavity 2 in base 1, in base 1 extremely
It is rotatably connected to the roller 3 being located in cavity 2 less, roller 3 is horizontally disposed along 1 length direction of base, and 3 outer wall of roller is at least
There is one end to be provided with position limited gear 19, at least one end is provided with driving motor 4 in roller 3, driving motor 4 include stator axis 5,
The stator 6 being fixedly connected in stator axis 5 and the rotor 7 that 6 periphery of stator is arranged in, 5 end of stator axis are fixed by adapter sleeve 8
It is connected on base 1, the first bearing 9 and second bearing 20 for being located at 6 two sides of rotor 7 and stator is provided in stator axis 5,
It is fixedly connected between 7 outer rim of rotor and 3 outer rim of roller by ring flange 10, there is gap between 3 inner wall of 7 outer wall of rotor and roller
11, gap 11 is interior to be filled with thermal insulation layer 12, and the threading channel 13 for wearing conducting wire is offered in stator axis 5, threads channel 13
Axis direction along stator axis 5 is arranged, and is provided with servo control unit in base 1, liquid cooling circulation canal is offered in stator axis 5
27。
The stepped structure of the ring flange 10,10 outer ring of ring flange are fixedly connected on roller by the first mounting screw 14
On 3,10 inner ring of ring flange is fixedly connected on rotor 7 by the second mounting screw 15, and first bearing 9 is arranged in ring flange 10
It is interior.First bearing 9 is provided with location nut 22 far from the end of stator 6, and location nut 22 is threaded in stator axis 5
The servo control unit includes encoder 16, servo-driver and the PLC for controlling servo-driver, encoder 16
It is electrically connected with driving motor 4, servo-driver is electrically connected with driving motor 4.
The thermal insulation layer 12 includes being applied to the insulating moulding coating layer 24 of 3 inner wall of 7 outer wall of rotor and roller respectively and being located at
Insulation material layer 25 between two insulating moulding coating layers 24, insulation material layer 25 using glass fibre, asbestos, rock wool, silicate,
Aerogel blanket or evacuated panel；Be provided with antiradiation layer 26 outside the insulating moulding coating layer 24 of 3 inner wall of roller, antiradiation layer 26 using gold,
Silver, nickel, aluminium foil or plating metal polyester, Kapton.
The bearing inner race of first bearing 9 is fixedly connected with 5 outer wall of stator axis, the bearing outer ring and ring flange of first bearing 9
10 inner walls are fixedly connected, and first bearing 9 is provided with the first rubber seal 17, the first rubber seal close to the end of stator 6
17 are arranged in ring flange 10；Second bearing 20 is arranged in stator axis 5 by bearing block 21, and bearing block 21 is arranged in rotor 7
Or on 3 inner wall of roller, the bearing inner race of second bearing 20 is fixedly connected with 5 outer wall of stator axis, the bearing outer ring of second bearing 20
It is fixedly connected with 21 inner wall of bearing block.Second bearing 20 is provided with bearing gland 23 far from the end of stator 6.
The second rubber seal 18 is provided between the 3 both ends outer wall of roller and 2 inner wall of cavity.
Interval is rotatably connected to two rollers being parallel to each other 3 in the base 1.
Driving motor 4 is provided with inside every 3 both ends of roller.
The stator axis 5 of two driving motors 4 is same axis in every roller 3, and the stator axis 5 runs through whole roller 3.
Two respective stator axis 5 of driving motor 4 are on the same line in every roller 3.
Embedded servo-drive roller is operated in work in use, controlling driving motor 4 by servo control unit, driving
The rotor 7 of motor 4 is rotated around stator 6, and rotor 7 is fixedly connected by ring flange 10 with roller 3, so that rotor 7 drives roller
Cylinder 3 rotates synchronously, and the driving motor 4 of the utility model is arranged in roller 3, and driving motor 4 is using 6 outer rotor 7 of inner stator
Structure, stator 6 are arranged in stator axis 5, and stator axis 5 is fixed on base 1 by adapter sleeve 8, rotor 7 by ring flange 10 with
Roller 3 is fixedly connected, and directly roller 3 is driven to rotate synchronously while rotor 7 rotates, and using above-mentioned connection structure, is eliminated
Between transmission parts, it is compact-sized, occupy little space, greatly strengthen the stationarity of transmission, and driving force is big, transfer of torque
Greatly, it can be used for high-speed drive；There is gap 11 between 3 inner wall of 7 outer wall of rotor and roller, substantially reduce rotor 7 and roller 3
Contact area reduces the abrasion of rotor 7 and roller 3, improves its service life, is filled with thermal insulation layer 12 in gap 11, every
Thermosphere 12 includes being applied to the insulating moulding coating layer 24 of 3 inner wall of 7 outer wall of rotor and roller respectively and positioned at two insulating moulding coating layers
The insulating moulding coating layer 24 of insulation material layer 25 between 24,3 inner wall of roller is provided with antiradiation layer 26 outside, so that rotor 7 is turning
The heat generated during dynamic is not transferred to roller 3, avoids roller 3 from generating heat, influences machining accuracy；Driving motor 4 is used and is watched
Control unit control is taken, the angular displacement that the rotation of driving motor 4 generates is converted into electric signal and is transferred to servo drive by encoder 16
Dynamic device controls servo-driver by PLC and carries out SERVO CONTROL to driving motor 4, using servo control unit speed-regulating range width,
Positioning accuracy is high, and stability is high, is enable to respond quickly；First bearing 9 is provided with the first rubber seal close to the end of stator 6
17, it is provided with the second rubber seal 18 between 3 both ends outer wall of roller and 2 inner wall of cavity, leakproofness is enhanced, avoids roller 3
Oil leak used in interior, makes its operation is stable；It can will be all provided with centrally-mounted driving 4 in 3 both ends of roller, enhance driving force
And torque, it is set as same axis suitable for running at high speed, and by the stator axis of two driving motors 45, keeps its transmission flat
Surely.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (6)
1. being used for the heat-insulated cooling structure of embedded coaxial servo-drive roller, it is characterised in that: including being arranged one in roller
The driving motor at end, driving motor include stator axis, the stator being fixedly connected in stator axis and turn that stator peripheral is arranged in
Son is fixedly connected between rotor periphery and roller outer rim by ring flange, has gap between rotor outer wall and roller inner wall, fixed
Offer the threading channel for wearing conducting wire in sub- axis, offer liquid cooling circulation canal in stator axis, in gap filled with every
Thermosphere, thermal insulation layer include the insulating moulding coating layer for being applied to rotor outer wall and roller inner wall respectively.
2. the heat-insulated cooling structure according to claim 1 for embedded coaxial servo-drive roller, it is characterised in that:
Filled with the insulation material layer being located between two insulating moulding coating layers in gap.
3. the heat-insulated cooling structure according to claim 2 for embedded coaxial servo-drive roller, it is characterised in that:
Insulation material layer uses fibrous composite.
4. the heat-insulated cooling structure according to claim 2 for embedded coaxial servo-drive roller, it is characterised in that:
Antiradiation layer is provided with outside the insulating moulding coating layer of roller inner wall.
5. the heat-insulated cooling structure according to claim 4 for embedded coaxial servo-drive roller, it is characterised in that:
Antiradiation layer uses metal foil or thin-film material.
6. the heat-insulated cooling structure according to claim 1 for embedded coaxial servo-drive roller, it is characterised in that:
The stepped structure of ring flange, flange plate outer ring are fixedly connected on roller by the first mounting screw, ring flange inner ring
It is fixedly connected on rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820418267.6U CN208548764U (en) | 2018-03-27 | 2018-03-27 | Heat-insulated cooling structure for embedded coaxial servo-drive roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820418267.6U CN208548764U (en) | 2018-03-27 | 2018-03-27 | Heat-insulated cooling structure for embedded coaxial servo-drive roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208548764U true CN208548764U (en) | 2019-02-26 |
Family
ID=65417859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820418267.6U Active CN208548764U (en) | 2018-03-27 | 2018-03-27 | Heat-insulated cooling structure for embedded coaxial servo-drive roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208548764U (en) |
-
2018
- 2018-03-27 CN CN201820418267.6U patent/CN208548764U/en active Active
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