CN207713080U - A kind of winder - Google Patents
A kind of winder Download PDFInfo
- Publication number
- CN207713080U CN207713080U CN201721879791.5U CN201721879791U CN207713080U CN 207713080 U CN207713080 U CN 207713080U CN 201721879791 U CN201721879791 U CN 201721879791U CN 207713080 U CN207713080 U CN 207713080U
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- winding
- yoke
- wallboard
- roller
- reel seat
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Abstract
The utility model discloses a kind of winders, including wallboard, electric-control system, further includes platform and the automatic change of lap shaft device being successively set on wallboard, pre- winding apparatus, winding driving device, winding unload and be additionally provided with chopping up apparatus between the roller and carry-over pinch rolls of winding apparatus winding driving device 7；After spool is placed to automatic change of lap shaft device by staff on platform; spool conversion is installed on pre- winding apparatus by machine automatically; spool automatic conversion is installed to winding and unloads and completes final winding on winding apparatus and unload volume automatically after a certain amount of plastic knit-weaving fabric of pre-roll under the interaction of winding driving device; the utility model has not stop reel-changing, good with plastic knit-weaving fabric printing machine suitability, and winding is efficient; good operation safety; the advantages of winding tension is stablized, and winding quality is good, high degree of automation.
Description
Technical field
The utility model is related to plastic knit-weaving fabrics to print post-process treatment equipment technical field, specially a kind of winder.
Background technology
Double-layer plastic braid over braid needs to wind the band produced, then turn in completing printing process at present
It moves on to downstream process and carries out relevant processing, with the development of printing technology, the speed of printing machine is getting faster, and is printed for adaptation
Machine, existing winder also has the research for carrying out not stop reel-changing, as patent No. ZL201120025648.6 discloses a kind of modeling
Cloth winder is compiled, including rack, wind-up roll, cloth beam, cloth beam are shelved in rack, is set in rack there are two pressing device,
Pressing device is located at the both ends of cloth beam, and pressing device includes the first cylinder and bar, and the lower end of bar is hinged under rack
Portion, upper end and the cloth beam of bar abut against, and one end of cylinder is hinged on the middle part of lever, and the other end of cylinder is mutually cut with scissors with rack
It connects, bar is located at the side of cloth beam, and wind-up roll is located at the other side of cloth beam, although the work(of not stop reel-changing can be completed
Can, but there is also spare cloth beam and winding workspaces in same position when installing spare cloth beam there are security risk,
The yardage roll wound cannot be put into low level and other equipment is needed to assist time-consuming and laborious inconvenience automatically, and there is also security risks.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of installation spool safe ready, have
Automatic change of lap axis, automatic winding unload the winder of volume function.
To achieve the above object, the utility model provides the following technical solutions：A kind of winder, including wallboard further include
Winding apparatus is unloaded in platform and the automatic change of lap shaft device being successively set on wallboard, pre- winding apparatus, winding driving device, winding, institute
It states and is additionally provided with chopping up apparatus between the roller and carry-over pinch rolls that wind driving device；
By this setting, when working for the first time, spool is placed on automatic change of lap shaft device by staff on platform, so
Spool conversion is installed on pre- winding apparatus by machine automatically afterwards, a certain amount of modeling of pre-roll under the interaction of winding driving device
Compile after cloth spool automatic conversion to be installed to winding to unload and complete final winding on winding apparatus and unload volume automatically, when spool be transformed into it is pre-
After winding apparatus, automatic change of lap shaft device automatically resets, and at this moment staff places new spool again on automatic change of lap shaft device,
So cycle, when final winding is completed, chopping up apparatus starts and cuts off band during this, pre- winding apparatus start simultaneously into
Row pre-roll is unloaded winding apparatus until winding and is resetted, and a certain amount of spool conversion of pre-roll is placed to winding and unloads package by pre- winding apparatus
It sets, so cycle completes not stop reel-changing.
The platform lower is equipped with the deflector roll for being used for transmission band；
By this setting, band is transferred to winding driving device below platform by deflector roll, saves space, staff
There is platform protection, safety is good when installing spool.
The automatic change of lap shaft device includes that rotation axis, reel seat one, the rotation axis may be rotatably mounted on wallboard, institute
It states reel seat one to be fixedly connected with the rotating shaft by connecting plate, the reel seat one is for placing spool, the rotation axis outer end peace
It is engaged with gear equipped with gear, on the wallboard and is additionally provided with sector gear, the sector gear is by the fan tooth together on wallboard
Wheel drive cylinder drives；
By this setting, after spool is placed on reel seat one by staff, in the control lower fan of complete machine electric-control system
Gear driven cylinder piston, which stretches out, drives sector gear to rotate clockwise, and the gear engaged is driven to rotate counterclockwise, to
Make rotation axis drive to rotate counterclockwise by connecting plate reel seat one mounted thereto, spool is sent on pre- winding apparatus, is not required to
Manual intervention, high degree of automation.
The pre- winding apparatus includes reel seat two, the reel seat two by guide post and the guide sleeve slide fit on transverse slat,
The reel seat two also links with the pre-roll cylinder on transverse slat, and the transverse slat is mounted on rotor plate top, the rotor plate
It may be rotatably mounted on roller shaft, the rotor plate also links with the rotor plate cylinder being hinged on wallboard, the reel seat
Two are equipped with pre-roll locking head, and the pre-roll locking head is driven by the pre-roll locking cylinder being set to together on reel seat two；
By this setting, the reel seat two of pre- winding apparatus receive by automatic change of lap shaft device it is converted Lai spool
Afterwards, pre-roll locking cylinder releases pre-roll locking head and spool is locked in reel seat two, it is ensured that position is stablized, in the automatically controlled system of complete machine
Under the coordination control of system, winding unload the upper spool in winding apparatus wind complete when, pre-roll cylinder is by two times drawstrings of reel seat
Dynamic empty reel spool presses to the roller of winding driving device（Band is cut off in chopping up apparatus startup at this time）Pre-roll is carried out, when volume is unloaded in winding
After volume reset is unloaded in device completion, rotor plate cylinder piston, which stretches out, drives rotor plate to rotate counterclockwise, and the drive of reel seat two is gone to
Winding apparatus initial position is unloaded in winding, and spool, which is put into winding, to be unloaded in the prong of winding apparatus, and pre-roll locking cylinder retracts pre-roll locking
Head, spool, which stays in prong, to be continued to wind, and spool is tightly attached on roller always during this, ensures that band effectively rolling up by volume
On axis, then rotor plate cylinder piston retraction drives rotor plate to turn round reset clockwise, waits for automatic change of lap shaft device by sky
Spool is brought, and is had suffered reel change and is not shut down, and the effective production efficiency for ensureing printing machine is handed off, automated
Degree is high.
The roller of the winding driving device between rotor plate and is fixedly mounted on roller shaft, and the roller turns
Axis may be rotatably mounted on wallboard, and described roller shaft one end is equipped with roller synchronous pulley, and the carry-over pinch rolls are fed set on roller
Side, the carry-over pinch rolls top are equipped with pressure roller, and the shaft end of the carry-over pinch rolls is equipped with traction synchronous pulley, is equipped with below the carry-over pinch rolls
Motor is installed with synchronous belt driving wheel, the roller synchronous pulley, traction synchronous pulley, synchronous belt on the motor output shaft
Driving wheel is linked by synchronous belt two；
By this setting, under the driving of motor, axis of traction and pressure roller, which coordinate, to be transmitted from deflector roll below platform
Band traction is sent on roller, unloads winding apparatus cooperation with pre- winding apparatus or winding, band is rolled onto on spool, is adopted by same motor
Carry-over pinch rolls and roller are driven with synchronous belt, synchronism is good, and winding gravitation is easy to control, and it is high-quality to wind elastic equal perseverance.
It includes yoke axis, yoke that winding apparatus is unloaded in the winding, and the yoke axis may be rotatably mounted on wallboard, the yoke
Axis is installed with yoke short rocker arm| and the long rocking arm of yoke, and institute's yoke is pivotally mounted on yoke axis, and the yoke top is set
There is a prong, the yoke side is equipped with link block, and the lose heart piston end of cylinder of the link block and yoke is connect, and the yoke is losed heart
The other end of cylinder is hinged on yoke short rocker arm|, and the long rocking arm of yoke links with the long cylinder of the yoke being hinged on wallboard, institute
It states and is additionally provided on wallboard for carrying out fixed yoke limit base to yoke initial position；
By this setting, the long cylinder of yoke pulls the long rocking arm of yoke to rotate clockwise, and drives yoke shaft rotation dynamic, yoke axis band
Moving fork arm short rocker arm| and the yoke for being hinged on yoke short rocker arm| cylinder of losing heart move clockwise, due to yoke lose heart cylinder piston end it is logical
It crosses link block to link together with yoke, yoke also rotates clockwise together, when the piston of the long cylinder of yoke is fully retracted in place
Afterwards, the lose heart piston of cylinder of yoke stretches out that (action of two cylinders of convenience pair here as described has divided a sequencing, real
In the operation of border, in order to save the time, two cylinders can act simultaneously), since yoke is on rotatably mounted yoke axis, because
This, yoke continues around yoke axis on yoke axis and rotates clockwise, and until yoke is contacted with yoke limit base, it is initial fixed to complete
Position；When placed in prong by pre- winding apparatus it is converted Lai spool after, under the action of two cylinders, make spool by defined
Spool is pressed on roller by pressure, is wound, and yoke rotates counterclockwise with the increase of coil diameter, it is ensured that winding
Power is stablized, and when coil diameter reaches prescribed requirement, starts chopping up apparatus and cuts off band, at the same time pre- winding apparatus as previously described
It is actuated for pre-roll and reaches non-stop-machine effect, yoke continues to rotate counterclockwise, and until spool is put into low level, completes primary receive
Volume, whole process full automation carry out, and efficient, winding quality is good.
The chopping up apparatus includes synchronous belt one, and the synchronous belt one is around on synchronous pulley one, the synchronous pulley
One is mounted on the synchronous belt wheel base on wallboard, and tool apron is equipped on the synchronous belt one, is equipped with and cuts on the tool apron
Knife, the synchronous belt one are driven by servo motor.
By this setting, when the coil diameter of winding reaches prescribed requirement, the present apparatus starts, and synchronous belt is driven by servo motor
Cutter on one tool apron quickly cuts off band, and servo motor and the response of synchronous belt driving structure are fast, and position is easy to control adjustable,
When winding the band of different size, it is only used in electric-control system into line width and is arranged, so that it may easily to control the position of cutter
It sets, efficiency is cut off in raising.
As an optimization：The first positioning seat is fitted with below the reel seat one, first positioning seat is fixedly mounted on
On wallboard.
By this setting, when reel seat resets, and is in preparation work position, reel seat is supported on the first positioning seat,
The stress of reel seat and spool to cylinder and gear, sector gear group is alleviated, the service life of device is improved, saves and safeguards
Cost.
As an optimization：The reel seat one is equipped with the first locking head, and the first locking head is by being set to together reel seat one
On the first locking cylinder driving.
By this setting, after spool is placed on reel seat one, push the first locking head will by the first locking cylinder
Spool is locked on reel seat, it is ensured that and spool is stablized position in mobile to the conversion of pre- winding apparatus, the security risks such as avoids falling,
The good advantage of tool safety.
As an optimization：The spool includes the core for winding band, and the core is fixedly mounted on mandrel, described
Mandrel both ends are equipped with rotatable axle journal by bearing, and the core periphery is equipped with double faced adhesive tape.
By this setting, core periphery is equipped with double faced adhesive tape, and band can be sticked to by the moment that band is contacted in spool
In core, it is ensured that wind successfully, connected by bearing between mandrel and axle journal, when axle journal by locking head be locked at reel seat one or
When on reel seat two, keep the core being mounted on mandrel rotation smooth, it is ensured that wrapup procedure is stablized, simple in structure, the winding of tool
The advantages of effect.
As an optimization：The prong is equipped with prong long side on one side far from roller, and the prong is set on one side close to roller
There is prong short side.
By this setting, the prong short side on prong is close to roller, when pre- winding apparatus is converted in transfer spool to prong
Smooth no interference, it is ensured that spool can normally be put into prong, and the long side on prong is on one side far from roller, due to prong long side
For length far more than spool radius, effect is when yoke drives spool to press to roller or even yoke as winding coil diameter increases to inverse
Spool will not all run out of prong when clockwise rotates, it is ensured that winding stabilization is normally carried out, while also ensureing safety when winding.
As an optimization：The roller outer round surface is equipped with reticulate pattern.
By this setting, the friction of cylinder surface and band is stablized, it is ensured that and it is non-slip when winding, ensure winding quality.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model has not stop reel-changing, good with plastic knit-weaving fabric printing machine suitability, winds efficient, processing safety
Well, the advantages of winding tension is stablized, and winding quality is good, high degree of automation.
Description of the drawings
Fig. 1 is that the utility model winding unloads winding apparatus in stereogram when unloading volume position.
Fig. 2 is that the utility model winding unloads winding apparatus in stereogram when unloading volume position.
Fig. 3 is that the utility model winding unloads winding apparatus in stereogram when resetting.
Fig. 4 is that the utility model is not demolished walls the stereogram of plate.
Fig. 5 is partial enlarged view at Fig. 4 A.
Fig. 6 is the utility model spool structure stereogram.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-6, a kind of winder, including wallboard 1, electric-control system further includes platform 6 and is successively set on wallboard
Winding apparatus 5 is unloaded in automatic change of lap shaft device 2, pre- winding apparatus 4, winding driving device 7 on 1, winding, winds the rolling of driving device 7
It is additionally provided with chopping up apparatus 3 between cylinder 709 and carry-over pinch rolls 705；
6 lower part of platform is equipped with the deflector roll 601 for being used for transmission band；
Automatic change of lap shaft device 2 may be rotatably mounted at wallboard 1 including rotation axis 206, reel seat 1, rotation axis 206
On, reel seat 1 is fixedly connected by connecting plate 205 with rotation axis 206, and reel seat 1 is for placing spool 8, rotation axis
206 outer ends are equipped with gear 207, are engaged with gear 207 on wallboard 1 and are additionally provided with sector gear 208, sector gear 208 is by setting together
It is driven in the elevating arc driving cylinder 209 on wallboard 1；
Pre- winding apparatus 4 includes reel seat 2 401, and reel seat 2 401 passes through guide post 404 and the guide sleeve on transverse slat 405
409 slide fits, reel seat 2 401 also link with the pre-roll cylinder 406 on transverse slat 405, and transverse slat 405 is mounted on rotor plate 407
Top, rotor plate 407 may be rotatably mounted on roller shaft 708, rotor plate 407 also with the rotor plate gas that is hinged on wallboard 1
Cylinder 408 links, and reel seat 2 401 is equipped with pre-roll locking head 403, and pre-roll locking head 403 is by being set on reel seat 2 401 together
Pre-roll locking cylinder 402 drives；
The roller 709 of winding driving device 7 between rotor plate 407 and is fixedly mounted on roller shaft 708, roller
Shaft 708 may be rotatably mounted on wallboard 1, and 708 one end of roller shaft is equipped with roller synchronous pulley 707, and carry-over pinch rolls 705 are set to rolling
709 feed sides of cylinder, 705 top of carry-over pinch rolls are equipped with pressure roller 706, and the shaft end of carry-over pinch rolls 705 is equipped with traction synchronous pulley 704, traction
705 lower section of roller is equipped with motor 701, is installed with synchronous belt driving wheel 702 on 701 output shaft of motor, roller synchronous pulley 707 is led
Draw synchronous pulley 704, synchronous belt driving wheel 702 is linked by synchronous belt 2 703；
It includes yoke axis 505, yoke 501 that winding apparatus 5 is unloaded in winding, and yoke axis 505 may be rotatably mounted on wallboard 1, yoke
Axis 505 is installed with yoke short rocker arm| 504 and the long Rocker arm 5 06 of yoke, and institute's yoke 501 is pivotally mounted on yoke axis 505,
501 top of yoke is equipped with prong 507, and 501 side of yoke is equipped with link block 502, and link block 502 and yoke are losed heart the work of cylinder 503
Fill in end connection, the lose heart other end of cylinder 503 of yoke is hinged on yoke short rocker arm| 504, the long Rocker arm 5 of yoke 06 be hinged on wallboard
The long cylinder 508 of yoke on 1 links, and is additionally provided on wallboard 1 for carrying out fixed yoke limit base to 501 initial position of yoke
511；
Chopping up apparatus 3 includes synchronous belt 1, and synchronous belt 1 is around on synchronous pulley 1, synchronous pulley one
305 are mounted on the synchronous belt wheel base 304 on wallboard 1, and tool apron 302 is equipped on synchronous belt 1, is pacified on tool apron 302
Equipped with cutter 303, synchronous belt 1 is driven by servo motor.
As an optimization：The first positioning seat 204 is fitted with below reel seat 1, the first positioning seat 204 is fixedly mounted on
On wallboard 1.
As an optimization：Reel seat 1 is equipped with the first locking head 201, and the first locking head 201 is by being set to together reel seat one
The first locking cylinder 203 driving on 202.
As an optimization：Spool 8 includes the core 802 for winding band, and core 802 is fixedly mounted on mandrel 803, core
803 both ends of axis are equipped with rotatable axle journal 801 by bearing 804, and 802 periphery of core is equipped with double faced adhesive tape.
As an optimization：Prong 507 is equipped with prong long side 509 on one side far from roller 709, and prong 507 is close to roller 709
It is equipped with prong short side 510 on one side.
As an optimization：709 outer round surface of roller is equipped with reticulate pattern 710.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of winder, including wallboard（1）, electric-control system, it is characterised in that：It further include platform（6）Be successively set on wall
Plate（1）On automatic change of lap shaft device（2）, pre- winding apparatus（4）, winding driving device（7）, winding unload winding apparatus（5）, the receipts
Roll up driving device（7）Roller（709）And carry-over pinch rolls（705）Between be additionally provided with chopping up apparatus（3）；
The platform（6）Lower part is equipped with the deflector roll for being used for transmission band（601）；
The automatic change of lap shaft device（2）Including rotation axis（206）, reel seat one（202）, the rotation axis（206）Rotatably
Mounted on wallboard（1）On, the reel seat one（202）Pass through connecting plate（205）With rotation axis（206）It is fixedly connected, the spool
Seat one（202）For placing spool（8）, the rotation axis（206）Outer end is equipped with gear（207）, the wallboard（1）Upper and tooth
Wheel（207）Engagement is additionally provided with sector gear（208）, the sector gear（208）By being set to wallboard together（1）On elevating arc driving
Cylinder（209）Driving；
The pre- winding apparatus（4）Including reel seat two（401）, the reel seat two（401）Pass through guide post（404）With set on transverse slat
（405）On guide sleeve（409）Slide fit, the reel seat two（401）Also with set on transverse slat（405）On pre-roll cylinder（406）Connection
It is dynamic, the transverse slat（405）Mounted on rotor plate（407）Top, the rotor plate（407）It may be rotatably mounted at roller shaft
（708）On, the rotor plate（407）Also be hinged on wallboard（1）On rotor plate cylinder（408）Linkage, the reel seat two
（401）It is equipped with pre-roll locking head（403）, the pre-roll locking head（403）By being set to reel seat two together（401）On pre-roll lock
Tight cylinder (402) driving；
The winding driving device（7）Roller（709）Positioned at rotor plate（407）Between and be fixedly mounted on roller shaft
（708）On, the roller shaft（708）It may be rotatably mounted at wallboard（1）On, the roller shaft（708）One end is equipped with roller
Synchronous pulley（707）, the carry-over pinch rolls（705）Set on roller（709）Feed side, the carry-over pinch rolls（705）Top is equipped with pressure roller
（706）, the carry-over pinch rolls（705）Shaft end be equipped with traction synchronous pulley（704）, the carry-over pinch rolls（705）Lower section is equipped with motor
（701）, the motor（701）Synchronous belt driving wheel is installed on output shaft（702）, the roller synchronous pulley（707）, traction
Synchronous pulley（704）, synchronous belt driving wheel（702）Pass through synchronous belt two（703）Linkage；
Winding apparatus is unloaded in the winding（5）Including yoke axis（505）, yoke（501）, the yoke axis（505）It may be rotatably mounted at
Wallboard（1）On, the yoke axis（505）It is installed with yoke short rocker arm|（504）With the long rocking arm of yoke（506）, institute's yoke
（501）It is pivotally mounted to yoke axis（505）On, the yoke（501）Top is equipped with prong（507）, the yoke（501）Side
Face is equipped with link block（502）, the link block（502）It loses heart cylinder with yoke（503）Piston end connection, the yoke loses heart cylinder
（503）The other end be hinged on yoke short rocker arm|（504）On, the long rocking arm of yoke（506）Be hinged on wallboard（1）On fork
Brachium cylinder（508）Linkage, the wallboard（1）On be additionally provided with for yoke（501）Initial position carries out fixed yoke limit
Seat（511）；
The chopping up apparatus（3）Including synchronous belt one（301）, the synchronous belt one（301）Around mounted in synchronous pulley one（305）
On, the synchronous pulley one（305）Mounted on set on wallboard（1）On synchronous belt wheel base（304）On, the synchronous belt one
（301）On tool apron is installed（302）, the tool apron（302）On cutter is installed（303）, the synchronous belt one（301）By servo
Motor drives.
2. a kind of winder according to claim 1, it is characterised in that：In the reel seat one（202）Lower section is fitted with
First positioning seat（204）, first positioning seat（204）It is fixedly mounted on wallboard（1）On.
3. a kind of winder according to claim 1, it is characterised in that：The reel seat one（202）It is equipped with the first lock
Only head（201）, the first locking head（201）By being set to reel seat one together（202）On the first locking cylinder（203）Driving.
4. a kind of winder according to claim 1, it is characterised in that：The spool（8）Include for winding band
Core（802）, the core（802）It is fixedly mounted on mandrel（803）On, the mandrel（803）Both ends pass through bearing（804）Peace
Equipped with rotatable axle journal（801）, the core（802）Periphery is equipped with double faced adhesive tape.
5. a kind of winder according to claim 1, it is characterised in that：The prong（507）Far from roller（709）One
Side is equipped with prong long side（509）, the prong（507）Close to roller（709）On one side be equipped with prong short side（510）.
6. a kind of winder according to claim 1, it is characterised in that：The roller（709）Outer round surface is equipped with reticulate pattern
（710）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879791.5U CN207713080U (en) | 2017-12-28 | 2017-12-28 | A kind of winder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879791.5U CN207713080U (en) | 2017-12-28 | 2017-12-28 | A kind of winder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207713080U true CN207713080U (en) | 2018-08-10 |
Family
ID=63051124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721879791.5U Active CN207713080U (en) | 2017-12-28 | 2017-12-28 | A kind of winder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207713080U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844656A (en) * | 2019-11-30 | 2020-02-28 | 重庆瑞霆塑胶有限公司 | Automatic roll changing device for film winding |
| CN113120347A (en) * | 2019-12-30 | 2021-07-16 | 昊佰电子科技（上海）有限公司 | Production and processing method of sponge roll core |
| CN114056985A (en) * | 2021-12-02 | 2022-02-18 | 昌龙兴科技（深圳）有限公司 | Casting film machine |
-
2017
- 2017-12-28 CN CN201721879791.5U patent/CN207713080U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844656A (en) * | 2019-11-30 | 2020-02-28 | 重庆瑞霆塑胶有限公司 | Automatic roll changing device for film winding |
| CN110844656B (en) * | 2019-11-30 | 2021-02-12 | 重庆瑞霆塑胶有限公司 | Automatic roll changing device for film winding |
| CN113120347A (en) * | 2019-12-30 | 2021-07-16 | 昊佰电子科技（上海）有限公司 | Production and processing method of sponge roll core |
| CN114056985A (en) * | 2021-12-02 | 2022-02-18 | 昌龙兴科技（深圳）有限公司 | Casting film machine |
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