CN209461291U - Winding device - Google Patents
Winding device Download PDFInfo
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- CN209461291U CN209461291U CN201822038706.3U CN201822038706U CN209461291U CN 209461291 U CN209461291 U CN 209461291U CN 201822038706 U CN201822038706 U CN 201822038706U CN 209461291 U CN209461291 U CN 209461291U
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- rotary shaft
- winding device
- controller
- driving
- material strip
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Abstract
The utility model relates to a kind of winding device, including rotary shaft, the first driving assembly and controller, the coiled strip portion of the rotary shaft is equipped with magnet；Wherein, the controller makes the magnet in rotary shaft adsorb material strip and material strip is driven to rotate together for controlling the driving rotary shaft rotation of the first driving assembly.The utility model is no longer using the wire clamp mode that can not be clamped, but by the way that magnet is arranged in the coiled strip portion of rotary shaft, material strip is adsorbed by magnet and material strip is driven to rotate together, make material strip winding on the rotary shaft, the smart structural design, winding device is not limited by wire clamp, thus be applied on the material strip of ultra-thin amorphous and nano-crystal soft magnetic alloy, it is applied widely.
Description
Technical field
The utility model relates to wound core of magnetic around technical field more particularly to a kind of winding device.
Background technique
Winding device is mainly used for the winding of magnetic core, and winding device in the prior art includes rotary shaft, axle sleeve, bearing block
And driving assembly, axle sleeve are respectively sleeved in rotary shaft, bearing sleeve is located on axle sleeve, and axle sleeve is fixedly connected with rotating disk,
The rotation of driving assembly propeller shaft sleeve, axle sleeve drive rotary shaft rotation.Rotary shaft in the prior art is hollow structure, in rotary shaft
Wire clamp is inside installed, the head of material strip are clamped to fixed material strip by wire clamp, makes rotary shaft rotation that can wind material strip, works as volume
Winding apparatus be applied to 0.022mm amorphous and nano-crystal soft magnetic alloy material strip when, due to the very thin thickness of material strip, the prior art
In wire clamp can not clamp material strip, lead to rotary shaft when rotated, material strip be easy deviates from from wire clamp, to influence magnetic core just
Often production.
Summary of the invention
The purpose of this utility model is to provide a kind of winding device, it is made to be applied to ultra-thin amorphous and nano-crystal soft-magnetic
On the material strip of alloy, material strip is enable smoothly to be wound by it, to improve its scope of application.
In order to solve the above-mentioned technical problem, technical solution provided by the utility model are as follows:
A kind of winding device, including rotary shaft, the first driving assembly and controller are set in the coiled strip portion of the rotary shaft
There is magnet；Wherein, the controller adsorbs the magnet in rotary shaft for controlling the driving rotary shaft rotation of the first driving assembly
Material strip simultaneously drives material strip to rotate together.
Wherein, first driving assembly includes that first motor, the first driving wheel and connection first motor and first pass
First transmission belt of driving wheel, the first motor and controller are electrically connected, the controller control first motor driving first
Transmission belt rotation, first transmission belt drive the rotation of the first driving wheel, and first driving wheel drives rotary shaft rotation.
Wherein, the winding device further includes rotating disk, axle sleeve and bearing block, and the rotating disk and axle sleeve are arranged respectively
On the rotary shaft, the bearing block and the first driving wheel are respectively sleeved on axle sleeve, and the axle sleeve is fixedly connected with rotating disk, institute
It states the first driving wheel and drives axle sleeve rotation, the axle sleeve drives rotation disc spins, and the rotating disk drives rotary shaft rotation.
Wherein, the rotating disk includes the interconnecting piece of annular portion and round plate and connection annular portion and round plate, described
The escape groove for avoiding rotary shaft is formed between annular portion and round plate, the rotary shaft is hollow shaft, the rotary shaft
Coiled strip portion on offer weld groove for welding in welding gun, the rotating disk makes interconnecting piece be threaded through volume along weld groove by escape groove
In material portion.
Wherein, the winding device further includes binder component, and the binder component includes cylinder and is mounted on cylinder
Material pressing drum, the controller and cylinder be electrically connected, and the controller control cylinder driving material pressing drum compresses coiled strip portion
On material strip.
Wherein, the winding device further includes bearing, driver plate and the second driving assembly, and the bearing is set in rotation
On axis, the driver plate is set on bearing, and the controller controls the driving driver plate movement of the second driving assembly, the transmission
Strip dynamic bearing is mobile, and the bearing drives rotary shaft axial movement.
Wherein, second driving assembly includes that the second motor, the second driving wheel and the second motor of connection and second pass
Second transmission belt of driving wheel, the controller and the second electrical connection of motor, second transmission belt and driver plate pass through connection
Part is fixedly connected；The controller controls the movement of second the second transmission belt of motor driven, the second transmission belt band follower link
Mobile, the connector drives driver plate mobile.
Wherein, the winding device further includes clamping gear, and the clamping gear is used for the second transmission belt of clamping.
Wherein, the winding device further includes guidance set, and the guidance set includes the first guide rod and the second guiding
Bar, the driver plate are respectively sleeved on the first guide rod and the second guide rod, and the driver plate drives rotary shaft to lead along first
It is moved axially to bar and the second guide rod.
The utility model has the following beneficial effects: the utility model no longer uses the wire clamp mode that can not be clamped, but pass through
Magnet is set in the coiled strip portion of rotary shaft, material strip is adsorbed by magnet and material strip is driven to rotate together, is revolving material strip winding
In shaft, which enables winding device not limited by wire clamp, to be applied to ultra-thin amorphous and receive
It is applied widely on the material strip of the brilliant magnetically soft alloy of rice.
Detailed description of the invention
Referring to attached drawing, the disclosure of the utility model be will be apparent.It is to be appreciated that these attached drawings are merely illustrative
Purpose, and be not intended to and the protection scope of the utility model be construed as limiting.In figure:
Fig. 1 is the schematic perspective view of the winding device of an embodiment according to the present utility model.
Fig. 2 is schematic perspective view of the winding device without cover board of an embodiment according to the present utility model.
Fig. 3 is the cross-sectional view of the winding device of an embodiment according to the present utility model.
Fig. 4 is the top view of the winding device of an embodiment according to the present utility model.
Fig. 5 is the schematic perspective view of the rotating disk of an embodiment according to the present utility model.
100, winding device；1, rotary shaft；1a, coiled strip portion；1a1, magnet；1a2, weld groove；2, rotating disk；2a, annular portion；
2b, round plate；2c, interconnecting piece；2d, escape groove；3, axle sleeve；4, bearing block；4a, ball；5, the first driving assembly；5a, first
Motor；5b, the first driving wheel；5c, the first transmission belt；6, bearing；7, driver plate；8, the second driving assembly；8a, the second motor；
8b, the second driving wheel；8c, the second transmission belt；9, connector；10, bracket；10a, bottom plate；10b, cover board；10c, fixed plate；11,
Clamping gear；12, reseting sensor；13, the first sensing chip；14, left limit sensor；15, right limit sensor；16, it is oriented to
Component；16a, the first guide rod；16b, the second guide rod；16c, the first guide holder；16d, the second guide holder；16f, guide plate；
17, outside weld inductor；18, interior weldering inductor；19, the second sensing chip；20, ring body.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.Fig. 4 is the winding device of an embodiment according to the present utility model
Top view.
Fig. 1 is the schematic perspective view of the winding device of an embodiment according to the present utility model；Fig. 3 is according to this
The cross-sectional view of the winding device of one embodiment of utility model；Fig. 4 is an embodiment according to the present utility model
The cross-sectional view of winding device.
It can be seen from the figure that the winding device 100 includes rotary shaft 1, rotating disk 2, axle sleeve 3, the drive of bearing block 4, first
Dynamic component 5 and controller (not shown go out), rotating disk 2 is set in the coiled strip portion rear end 1a of rotary shaft 1, and axle sleeve 3 is set in rotation
In shaft 1 and it is located at after rotating disk 2, rotating disk 2 is fixedly connected with axle sleeve 3, and bearing block 4 is set on axle sleeve 3, bearing block 4
It is fixed on mounting plate (not shown go out), the coiled strip portion 1a and rotating disk 2 of rotary shaft 1 are located at the front end face of mounting plate, rotary shaft 1
Rest part, axle sleeve 3, bearing block 4 and the first driving assembly 5 be located at the rear end face of mounting plate.
In the shown embodiment, ball 4a is equipped between axle sleeve 3 and bearing block 4, axle sleeve 3 can be rolled relative to bearing block 4
It is dynamic, it will be appreciated that, in alternative embodiments, axle sleeve 3 and bearing block 4 can also be directly connected to, and axle sleeve 3 can be relative to bearing
Seat 4 slides.
As shown in the figure, the first driving assembly 5 includes first motor 5a, the first driving wheel 5b and connection first motor 5a
With the first transmission belt 5c of the first driving wheel 5b, controller and first motor 5a are electrically connected, and first motor 5a is fixed on installation
On plate, the first driving wheel 5b is set on axle sleeve 3 and is located at after bearing block 4, and controller controls first motor 5a driving first
Transmission belt 5c rotation, the first transmission belt 5c drive the first driving wheel 5b rotation, and the first driving wheel 5b drives axle sleeve 3 to rotate, axle sleeve 3
Rotating disk 2 is driven to rotate, rotating disk 2 drives rotary shaft 1 to rotate.
In the shown embodiment, array is provided with magnet 1a1 on the coiled strip portion 1a of rotary shaft 1, and magnet 1a1 can be adsorbed
Material strip drives material strip to rotate together, makes material strip winding in rotary shaft 1 by rotation rotary shaft 1, and structure design is skilful
It is wonderful, winding device 100 is not limited by wire clamp, to be applied to the material of ultra-thin amorphous and nano-crystal soft magnetic alloy
It takes, it is applied widely.
In the present embodiment, which further includes binder component (not shown go out), and binder component includes cylinder
(not shown go out) and the material pressing drum being mounted on cylinder (not shown go out), cylinder and controller are electrically connected, and cylinder is fixed
On a mounting board, when the head of material strip are drawn on coiled strip portion 1a, controller control cylinder driving material pressing drum first is pressed to
The head of material strip make material pressing drum compress the head of material strip, so that the head of anti-stopping materials strip skid in winding process, secondary control
Device control first motor 5a processed is slowly rotated, and when rotating disk 2 drives material strip 2/3rds circle of rotation, material strip can be fine at this time
By on coiled strip portion 1a magnet 1a1 adsorb, again controller control cylinder driving material pressing drum rise, leave material pressing drum
Material strip, then controller control first motor 5a accelerates rotation, and after the preset time, controller control first motor 5a stops
Rotation stop is dynamic, and material strip has wound completion at this time.
Fig. 2 is schematic perspective view of the winding device without cover board of an embodiment according to the present utility model.
It can be seen from the figure that the winding device 100 further includes bearing 6, driver plate 7 and the second driving assembly 8, bearing
6 are set in rotary shaft 1 and are located at after axle sleeve 3, and driver plate 7 is set on bearing 6, and the second driving assembly 8 includes the second electricity
Machine 8a, the second driving wheel 8b and the second transmission belt 8c for connecting the second motor 8a and the second driving wheel 8b, controller and second
Motor 8a is electrically connected, and the second transmission belt 8c is fixedly connected with driver plate 7 by connector 9, after the completion of material strip winding, control
Device controls the second motor 8a and drives the second transmission belt 8c mobile, and the second transmission belt 8c band follower link 9 is mobile, and connector 9 drives
Driver plate 7 is mobile, and driver plate 7 is mobile with dynamic bearing 6, and bearing 6 drives rotary shaft 1 to move axially, the material strip on coiled strip portion 1a
After being released by rotating disk 2, controller controls the second motor 8a and stops operating.
As shown in the figure, over the mount 10, bracket 10 includes that bottom plate 10a and lid are located at bottom to the installation of the second driving assembly 8
Cover board 10b on plate 10a, bottom plate 10a and cover board 10b are fixed on a mounting board by fixed plate 10c, and the second motor 8a is mounted on
On cover board 10b, the second driving wheel 8b and the second transmission belt 8c are mounted on bottom plate 10a, in the shown embodiment, the second transmission
The quantity for taking turns 8b is three, is arranged on bottom plate 10a in isosceles triangle, the second transmission belt 8c is set in three the second driving wheels
On 8b.
Since the material strip released on coiled strip portion 1a is needed compared with high thrust, when the second transmission belt 8c is in relaxed state, the
It is easy to skid between two transmission belt 8c and the second driving wheel 8b, causes rotary shaft 1 that can not move axially, therefore coiled strip can not be released
Material strip on portion 1a.As shown in the figure, which further includes clamping gear 11, in the shown embodiment, clamping teeth
The quantity of wheel 11 is two, and two clamping gears 11 are arranged on bottom plate 10a, distinguishes clamping by two clamping gears 11 and is located at
The second transmission belt 8c on two waists enables the second transmission belt 8c and the second driving wheel 8b to be reliably driven, to make coiled strip
Material strip on portion 1a is smoothly released.
As shown in the figure, which further includes reseting sensor 12 and the first sensing chip 13, reseting sensor 12
It being electrically connected with controller, reseting sensor 12 is mounted on cover board 10b, and the first sensing chip 13 is mounted on connector 9, and first
Sensing chip 13 is moved with the movement of connector 9.Before use, user according to the width of material strip be arranged rotary shaft 1 it is mobile away from
From, after the completion of material strip winding, controller controls the second driving assembly 8 and rotary shaft 1 is driven to move backward the first pre-determined distance, the
The width that one pre-determined distance is equal to material strip works as rotary shaft to guarantee that rotary shaft 1 can be accurately returned to home position every time
1 move backward the first pre-determined distance after continue to move backward, when reseting sensor 12 senses the first sensing chip 13, reset pass
Sensor 12 sends a signal to controller, and controller, which receives, to be controlled the second driving assembly 8 after signal rotary shaft 1 is driven to move forward the
Two pre-determined distances, the second pre-determined distance is equal to the distance that reseting sensor 12 arrives 1 home position of rotary shaft, to guarantee rotary shaft
1 can be accurately returned to home position every time.
Machine breaks down in order to prevent during 100 use of winding device, and the second driving assembly 8 is caused to drive rotation
Shaft 1 constantly forward or moves backward, to cause machine breakdown.As shown in the figure, which further includes left limit
Level sensor 14 and right limit sensor 15, left limit sensor 14 and right limit sensor 15 electrically connect with controller respectively
It connects, left limit sensor 14 and right limit sensor 15 are separately mounted on cover board 10b, it can be seen from the figure that resetting sensing
For device 12 between left limit sensor 14 and right limit sensor 15, the second driving assembly 8 drives rotary shaft 1 to move forward,
When left limit sensor 14 senses the first sensing chip 13, left limit sensor 14 sends a signal to controller, and controller connects
It controls the second driving assembly 8 after the collection of letters number to stop operating, to prevent rotary shaft 1 from moving further along；Second driving assembly 8
Rotary shaft 1 is driven to move backward, when right limit sensor 15 senses the first sensing chip 13, right limit sensor 15 sends letter
Control the second driving assembly 8 after number controller, controller being given to receive signal and stop operating, thus prevent rotary shaft 1 further to
After move；It can be guaranteed in range of the rotary shaft 1 always in safety by left limit sensor 14 and left limit sensor 14,
To improve the safety of winding device 100.
Fig. 5 is the schematic perspective view of the rotating disk of an embodiment according to the present utility model.
During product testing, due to the very thin thickness of material strip, the material strip spooled is easy to be stuck in rotary shaft 1 and rotating disk
Between 2 gap, cause rotating disk 2 that can not release material strip.It can be seen from the figure that rotating disk 2 includes annular portion 2a and disk
The portion 2b and interconnecting piece 2c for connecting annular portion 2a and round plate 2b, is formed between annular portion 2a and round plate 2b for avoiding
The escape groove 2d of rotary shaft 1, rotary shaft 1 are hollow shaft, and the weld groove for welding in welding gun is offered on the coiled strip portion 1a of rotary shaft 1
1a2, rotating disk 2 are threaded through interconnecting piece 2c on coiled strip portion 1a along weld groove 1a2 by escape groove 2d.In the present embodiment, it keeps away
It allows slot 2d for the circular groove of two halves, by alignment interconnecting piece 2c and weld groove 1a2 and escape groove 2d and winder, makes rotating disk
2 are threaded through on coiled strip portion 1a, when rotating disk 2 pushes material strip, since interconnecting piece 2c can be out of winder weld groove 1a2 completely
Low splicing band, so that the entire side of material strip can be by the thrust of rotating disk 2, to smoothly be released by rotating disk 2.
During product testing, when the second driving assembly 8 drives rotary shaft 1 to move axially, due to the second transmission belt 8c
The material is soft, therefore the tractive force that not can guarantee the second transmission belt 8c is in always on same axis, is easy to cause rotary shaft 1
It shifts, so that the phenomenon that being easy to happen axis between rotary shaft 1 and axle sleeve 3, causes rotary shaft 1 that can not move.In such as figure
Shown, winding device 100 further includes guidance set 16, and guidance set 16 includes the first guide rod 16a and the second guide rod 16b,
Driver plate 7 is respectively sleeved on the first guide rod 16a and the second guide rod 16b, passes through the first guide rod 16a and the second guide rod
16b can guarantee that rotary shaft 1 is on same axis always in the process of moving, enable rotary shaft 1 smoothly along axle sleeve 3
Axial movement.In the shown embodiment, the first guide rod 16a is fixed on a mounting board by the first guide holder 16c, and second leads
Fixed on a mounting board by the second guide holder 16d to bar 16b, the first guide rod 16a and the second guide rod 16b are relative to installation
One end of plate is fixedly connected by guide plate 16f, and driver plate 7 is between guide plate 16f and mounting plate.
In the prior art, the outside weld of material strip and interior weldering are all to lead to high labor cost, production by manually welding
Low efficiency, and since the handicraft of welder is irregular, cause the quality of welding inconsistent.As shown in the figure, the winding
Device 100 further includes outside weld inductor 17, interior weldering inductor 18 and the second sensing chip 19, and outside weld inductor 17 and interior weldering incude
Device 18 is electrically connected with controller respectively, and the second sensing chip 19 is fixed on the first driving wheel 5b, and the second sensing chip 19 is with the
The rotation of one driving wheel 5b and rotate.In the shown embodiment, outside weld inductor 17 and interior weldering inductor 18 are fixed on ring body
On 20, ring body 20 is fixed on cover board 10b, and ring body 20 is hanging relative to rotary shaft 1 and between axle sleeve 3 and bearing 6.First
The head of manipulator clamping material strip are put on coiled strip portion 1a, and then controller controls the first driving assembly 5 driving rotary shaft 1 and revolves
Turn, after material strip is spooled, controller controls the first driving assembly 5 and stops operating, and then controller control cuts component and cuts material
Band, secondly controller controls the first driving assembly 5 drive rotary shaft 1 and continues to rotate, when outside weld inductor 17 senses the second sense
When answering piece 19, outside weld inductor 17 sends a signal to controller, and controller controls the stopping turn of the first driving assembly 5 after receiving signal
It is dynamic, so that rotary shaft 1 is parked in the first predeterminated position, then controller control outside weld welding gun is moved along the first default route, so that outside
Weldering welding gun is just aligned the head cut, so that the head to cutting carry out spot welding；Then controller controls the first driving group
Part 5 drives rotary shaft 1 to continue to rotate, and when interior weldering sensor sensing is to the second sensing chip 19, interior weldering sensor is sent a signal to
Controller, controller control the first driving assembly 5 and stop operating, so that rotary shaft 1 is parked in the second predeterminated position, connect after receiving signal
In controller control weldering welding gun protruded into coiled strip portion 1a along the second default route so that interior weldering welding gun is just aligned weld groove 1a2,
To which the head to material strip carry out spot welding, the material strip spooled is released finally by rotating disk 2.It is controlled respectively by controller
Outside weld welding gun and interior weldering welding gun carry out outside weld and interior weldering to material strip and not only reduce production cost to realize automatic welding,
Also improve the efficiency and quality of production.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of winding device, which is characterized in that including rotary shaft, the first driving assembly and controller, the rotary shaft
Coiled strip portion is equipped with magnet；Wherein, the controller makes in rotary shaft for controlling the driving rotary shaft rotation of the first driving assembly
Magnet absorption material strip and material strip is driven to rotate together.
2. winding device according to claim 1, which is characterized in that first driving assembly includes first motor,
One driving wheel and the first transmission belt for connecting first motor and the first driving wheel, the first motor and controller electrically connect
It connecing, the controller control first motor drives the rotation of the first transmission belt, and first transmission belt drives the rotation of the first driving wheel,
First driving wheel drives rotary shaft rotation.
3. winding device according to claim 2, which is characterized in that the winding device further include rotating disk, axle sleeve with
And bearing block, the rotating disk and axle sleeve are respectively sleeved in rotary shaft, the bearing block and the first driving wheel are respectively sleeved at
On axle sleeve, the axle sleeve is fixedly connected with rotating disk, and first driving wheel drives axle sleeve rotation, and the axle sleeve drives rotating disk
Rotation, the rotating disk drive rotary shaft rotation.
4. winding device according to claim 3, which is characterized in that the rotating disk include annular portion and round plate and
The interconnecting piece for connecting annular portion and round plate, is formed with the evacuation for avoiding rotary shaft between the annular portion and round plate
Slot, the rotary shaft are hollow shaft, and the weld groove for welding in welding gun, the rotating disk are offered in the coiled strip portion of the rotary shaft
Interconnecting piece is threaded through in coiled strip portion along weld groove by escape groove.
5. winding device according to claim 1, which is characterized in that the winding device further includes binder component, described
Binder component includes cylinder and the material pressing drum that is mounted on cylinder, and the controller and cylinder are electrically connected, the control
Device controls the material strip in cylinder driving material pressing drum compression coiled strip portion.
6. winding device according to claim 1, which is characterized in that the winding device further include bearing, driver plate with
And second driving assembly, the bearing are set in rotary shaft, the driver plate is set on bearing, the controller control the
Two driving assemblies drive driver plate mobile, and the driver plate band dynamic bearing is mobile, and the bearing drives rotary shaft axial movement.
7. winding device according to claim 6, which is characterized in that second driving assembly includes the second motor, the
Two driving wheels and the second transmission belt for connecting the second motor and the second driving wheel, the controller and the second motor electrically connect
It connects, second transmission belt is fixedly connected with driver plate by connector；The controller controls the second motor driven second and passes
Dynamic band is mobile, and the second transmission belt band follower link is mobile, and the connector drives driver plate mobile.
8. winding device according to claim 7, which is characterized in that the winding device further includes clamping gear, described
Clamping gear is used for the second transmission belt of clamping.
9. winding device according to claim 6, which is characterized in that the winding device further includes guidance set, described
Guidance set includes the first guide rod and the second guide rod, and the driver plate is respectively sleeved at the first guide rod and the second guide rod
On, the driver plate drives rotary shaft to move axially along the first guide rod and the second guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038706.3U CN209461291U (en) | 2018-12-05 | 2018-12-05 | Winding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038706.3U CN209461291U (en) | 2018-12-05 | 2018-12-05 | Winding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209461291U true CN209461291U (en) | 2019-10-01 |
Family
ID=68040040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822038706.3U Active CN209461291U (en) | 2018-12-05 | 2018-12-05 | Winding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209461291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637800A (en) * | 2018-12-05 | 2019-04-16 | 深圳市哈德胜精密科技股份有限公司 | Winding device |
-
2018
- 2018-12-05 CN CN201822038706.3U patent/CN209461291U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637800A (en) * | 2018-12-05 | 2019-04-16 | 深圳市哈德胜精密科技股份有限公司 | Winding device |
| CN109637800B (en) * | 2018-12-05 | 2024-02-09 | 深圳市哈德胜精密科技股份有限公司 | Winding device |
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