CN106115339B - A kind of banding material unwinding device - Google Patents
A kind of banding material unwinding device Download PDFInfo
- Publication number
- CN106115339B CN106115339B CN201610522299.6A CN201610522299A CN106115339B CN 106115339 B CN106115339 B CN 106115339B CN 201610522299 A CN201610522299 A CN 201610522299A CN 106115339 B CN106115339 B CN 106115339B
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- CN
- China
- Prior art keywords
- disk roller
- lever
- friction member
- bar segment
- unwinding device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/04—Supporting web roll cantilever type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
Landscapes
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The present invention relates to banding material transmission field, there is provided a kind of banding material unwinding device.The banding material unwinding device, it, which is unreeled, is fixed with the first friction member on the first wheel shaft of disk roller；It is fixed with first bar segment of lever in the second friction member, the second bar segment and tensioning disk roller is installed；Tensile force of the disk roller by material is tensioned, when tensile force is more than the first critical value, lever is rotated forward and so that the second friction member is separated with the first friction member；When tensile force is less than the second critical value, lever backwards rotation is contacted until the second friction member with the first friction member.Disk roller is unreeled when the second friction member is separated with the first friction member in the program can smoothly blowing；When blowing is excessive, lever backwards rotation carries out storing；When needing to stop blowing, lever backwards rotation is contacted until the second friction member with the first friction member.The banding material unwinding device cost simple in construction is low, and the storage that can realize that material is tensioned with material is swung up and down by lever.
Description
Technical field
The present invention relates to banding material transmission field, more particularly to a kind of banding material unwinding device.
Background technology
The huge number of banding material, more typical such as label paper, adhesive tape, disposable plastic bag in life, and banding
Material is typically set in roll.And these unreel general bad control in the banding material of roll.
By taking label paper as an example, during the intermittent transmission of label paper, to ensure the reliability of subsequent operation, it is necessary in control
Rationally material is discharged while the tensile force of material processed.It is main at present that above-mentioned need are realized by tensioning and material temporary storage mechanism
Ask.In the prior art, tensioning with material temporary storage mechanism more than by the way of spring-swing rod, its concrete form includes：Freely expect
Volume, magnetic powder brake, machinery determine resistance mechanism.
Wherein, the mode of free material volume disclosure satisfy that blowing demand substantially when material volume size is larger, deadweight is heavier,
But in the case where material volume size and deadweight reduce, if material hauling speed is excessive, uncontrollable blowing and material will be caused
The problems such as tensile force is not enough, tensile force fails.Magnetic powder brake can provide certain moment of resistance in the course of the work, prevent blowing mistake
Degree, it is ensured that the reliable tensioning of material and blowing, but its is complicated, cost is high.Machinery is determined to use dry friction resistance mechanism more
Mode realize that resistance is exported, its resistance regulation is inconvenient, is easily changed with mechanism wear, reliability is low.
The content of the invention
(1) technical problem to be solved
The purpose of the present invention is：There is provided a kind of cost simple in construction low banding material unwinding device, and solve existing
The problem of material tensile force during blowing tightly can not be effectively controlled with material temporary storage mechanism.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of banding material unwinding device, including frame, let off roll
Wheel, tensioning disk roller and lever；The disk roller that unreels is used to install material, and the disk roller that unreels is in the frame, and
The first friction member is fixed with first wheel shaft for unreeling disk roller；The lever is connected by levers support and the frame
Connect, and it is the first bar segment and the second bar segment that the lever is punished from the levers support；Second is fixed with first bar segment
The tensioning disk roller is installed in friction member, second bar segment；The tensioning disk roller is worked as institute by the tensile force of the material
When stating tensile force more than the first critical value, the lever rotates forward and causes second friction member and first friction member
Separation；When the tensile force is less than the second critical value, the lever backwards rotation is until second friction member and described the
One friction member is contacted.
Preferably, the frame includes fixed plate；Through hole is offered in the fixed plate and hides groove；It is described to unreel disk roller
The first side of the fixed plate is installed in tensioning disk roller, the lever, the first friction member and the second friction member are installed in
Second side of the fixed plate；First wheel shaft for unreeling disk roller is connected after passing through the through hole with first friction member；
Second wheel shaft of the tensioning disk roller is hidden after groove and second bar segment connection through described.
Preferably, the length of second bar segment is more than the length of first bar segment.
Preferably, in addition to back-moving spring, the first end of the back-moving spring and frame connection, the back-moving spring
The second end and second bar segment connection；And the tensile force be more than the first critical value when, the back-moving spring is stretched；When
When the tensile force is less than the second critical value, the back-moving spring drives the lever to reset.
Preferably, second bar segment is axially disposed multiple mounting holes, and the mounting hole is used to install described multiple
Position spring.
And the material enters the adjacent guide roller after the tensioning disk roller preferably, in addition to guide roller,
Between wheel.
Preferably, in the horizontal direction, the tensioning disk roller is located at the guide roller and described unreeled between disk roller；Edge is perpendicular
Nogata is to the tensioning disk roller is located at the lower section of the guide roller；Material enters phase behind the lower section of the tensioning disk roller
Between the adjacent guide roller.
Preferably, first friction member is brake disc, and second friction member is brake shoes.
Preferably, the angle between first bar segment and second bar segment is 120o-150o.
Preferably, the levers support includes limited screw and lever mount, and the limited screw sequentially passes through the thick stick
After bar, lever mount and frame, the lever mount is fixed in the frame.
(3) beneficial effect
Technical scheme has advantages below：The banding material unwinding device of the present invention, including frame, let off roll
Wheel, tensioning disk roller and lever；The disk roller that unreels is used to install material, and the disk roller that unreels is in the frame, and
The first friction member is fixed with first wheel shaft for unreeling disk roller；The lever is connected by levers support and the frame
Connect, and it is the first bar segment and the second bar segment that the lever is punished from the levers support；Second is fixed with first bar segment
The tensioning disk roller is installed in friction member, second bar segment；The tensioning disk roller is worked as institute by the tensile force of the material
When stating tensile force more than the first critical value, the lever rotates forward and causes second friction member and first friction member
Separation；When the tensile force is less than the second critical value, the lever backwards rotation is until second friction member and described the
One friction member is contacted.Material applies tensile force to tensioning disk roller during the banding material unwinding device, blowing so that lever is just
, can smoothly blowing so as to unreel disk roller to rotating and the second friction member is separated with the first friction member；When blowing is excessive, this
When lever backwards rotation until material again to tensioning disk roller apply tensile force；When needing to stop blowing, lever backwards rotation
Until the second friction member is contacted with the first friction member, now let off roll wheel is prevented to rotate by frictional force effect.The banding material
Unwinding device cost simple in construction is low, and the storage that can realize that material is tensioned with material is swung up and down by lever.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the inclined shaft geodesic structure schematic diagram of the banding material unwinding device of embodiment；
Fig. 2 is the another inclined shaft geodesic structure schematic diagram of the banding material unwinding device of embodiment；
Fig. 3 is confined explosion's schematic diagram of the banding material unwinding device of embodiment；
In figure：1st, disk roller is unreeled；2nd, fixed plate；3rd, guide roller；4th, it is tensioned disk roller；5th, the second wheel shaft；6th, jump ring；7th,
One screw；8th, lever；9th, spring；10th, the second screw；11st, limited screw；12nd, lever mount；13rd, brake shoes；14th, brake disc；
15th, groove is hidden.
Embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following examples are used for
Illustrate the present invention, but can not be used for limiting the scope of the present invention.
In the description of the invention, it is necessary to explanation, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark
Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right
The limitation of the present invention.In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or dark
Show relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " connected ", " company
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Refer to Fig. 1 and Fig. 2, the banding material unwinding device of the present embodiment, including fixed plate 2, unreel disk roller 1, tensioning
Disk roller 4 and lever 8.Wherein, disk roller 1 is unreeled to be fixed in the fixed plate 2 for installing material, and unreeling disk roller 1, and in institute
State and the first friction member is fixed with the first wheel shaft for unreel disk roller 1.The lever 8 is connected by the support of lever 8 with the fixed plate 2
Connect, and it is the first bar segment and the second bar segment that the lever 8 is punished from the lever 8 support；Is fixed with first bar segment
The tensioning disk roller 4 is installed in two friction members, second bar segment.
Wherein, tensile force of the disk roller 4 by the material is tensioned, it is described when the tensile force is more than the first critical value
Lever 8 is rotated forward and so that second friction member is separated with first friction member；When the tensile force faces less than second
During dividing value, the backwards rotation of lever 8 is contacted until second friction member with first friction member.
Material applies tensile force to tensioning disk roller 4 during the banding material unwinding device, blowing so that lever 8 is positive
Rotate and the second friction member is separated with the first friction member, can smoothly blowing so as to unreel disk roller 1；When blowing is excessive, this
When the backwards rotation of lever 8 until material again to tensioning disk roller 4 apply tensile force；When needing to stop blowing, lever 8 inversely turns
Move until the second friction member is contacted with the first friction member, now unreeling disk roller 1 by frictional force effect prevention rotates.The ribbon
Expect that unwinding device cost simple in construction is low, and the storage that can realize that material is tensioned with material is swung up and down by lever 8.
Obviously, the fixed plate 2 in the present embodiment is only a part for frame, and the other structures of frame are not in figure
In embody.And the banding material unwinding device in the present embodiment, disk roller 1, tensioning are unreeled except being installed using fixed plate 2
Disk roller 4 and lever 8, can also be using other any structure types disclosed in the prior art, as long as above-mentioned material can be realized
The effect of tight and material storage.
In addition, " forward direction " and " reverse " is only relative concept, wherein " forward direction " can be rotated clockwise, also may be used
To be to rotate counterclockwise, itself and tensioning disk roller 4, the position relation that unreels between disk roller 1 are relevant.
Furthermore, it is desirable to structure and lever 8 of the size of explanation, the first critical value and the second critical value by lever 8
The power being subject to is determined.Different, the first critical value and the second critical value according to the form that lever 8 in banding material unwinding device is set
Size also can respective change.
Fig. 1 and Fig. 2 are further referred to, through hole (not shown) is offered in fixed plate 2 and hides groove 15.Unreel
Disk roller 1 and tensioning disk roller 4 are installed in the first side of fixed plate 2, and lever 8, the first friction member and the second friction member are installed in
Second side of fixed plate 2.Wherein, unreel disk roller 1 the first wheel shaft pass through the through hole after be connected with first friction member；
Second wheel shaft 5 of tight disk roller 4, which is passed through, to be hidden after groove 15 and the connection of the second bar segment.
Obviously, by will unreel disk roller 1, tensioning disk roller 4 and the reasonable layout of lever 8 in the both sides of fixed plate 2, it can be saved
About the space of device, effectively controls the volume size of banding material unwinding device.
It is of course also possible to which will unreel disk roller 1, tensioning disk roller 4 and lever 8 is arranged at the same side of fixed plate 2.Now,
If by lever 8 close to if fixed plate 2 is set, then the first friction member need to be arranged on unreel disk roller 1 and fixed plate 2 it
Between, to cause the first friction member and the second friction member effectively to coordinate.Now, unreeling between disk roller 1 and fixed plate 2 has necessarily
Distance, and cause to unreel the increase of the moment of torsion of disk roller 1.
Please with further reference to Fig. 1, material applies tensioning by the lower section for being tensioned disk roller 4, and to tensioning disk roller 4
Power.Obviously, when material passes through the lower section of tensioning disk roller 4, tensile force more effectively can be applied to tensioning disk roller 4.Certainly, do not arrange
Except top of the material by tensioning disk roller 4, and apply the active force for pressing down on tensioning disk roller 4.
In the present embodiment, preferably the first friction member is brake disc 14, and the second friction member is brake shoes 13.In the case of this kind,
Brake shoes 13 produces frictional force when being contacted with brake disc 14, prevention unreels disk roller 1 and is rotated further and blowing.The present embodiment
In, brake shoes 13 can be fixed in the first bar segment by gluing mode, it would however also be possible to employ threaded connection is other any
Disclosed connected mode, is not repeated one by one herein in the prior art.
On this basis, in order to ensure that banding material unwinding device volume is not too large, and then space is effectively saved, preferably
Angle between first bar segment and second bar segment is 120o-150o, and brake disc 14 is arranged on into the first bar segment and institute
State the angular position of the second bar segment.
In the present embodiment, by the use of lever 8, material storage can be realized simultaneously and is tensioned, unreel brake of disk roller 1 etc.
Function, reduces mechanism quantity and mechanical complications.Also, the banding material unwinding device of the present embodiment, its is simple in construction, peace
Dress and easy to adjust, reliability height.
As can be known from Fig. 2, the length of second bar segment in left side is far longer than first bar on the right side in figure in figure
The length of section, so as to when tensile force is cancelled, under the Action of Gravity Field of the second bar segment and tensioning disk roller 4 lever 8 can be driven to answer
Position, and cause the second friction member and the contact of the first friction member.Certainly, the length relation of the first bar segment and the second bar segment is not by accompanying drawing
Limitation, it can angularly consider according to spatial distribution, engineering mechanics.
If the Action of Gravity Field for ignoring lever 8 and tensioning disk roller 4, the present embodiment can also pass through the band of back-moving spring 9
Dynamic lever 8 resets.Please with further reference to Fig. 2, back-moving spring 9 is connected between the second bar segment and fixed plate 2.The tensile force
During more than the first critical value, lever 8 is rotated clockwise, and the back-moving spring 9 is stretched；When the tensile force is less than the
During two critical values, in the presence of back-moving spring 9, the backwards rotation of lever 8 is simultaneously resetted, until the second friction member and first rubs
Wipe part contact.
In the present embodiment, spring 9 is preferably arranged on to the lower section of the second bar segment, so as to play certain to lever 8
Supporting role.Furthermore it is preferred that being provided with the mounting hole of multiple springs 9 in the second bar segment, pass through different mounting holes in the second bar segment
Choose, may be such that material obtains different tensile forces.
With further reference to Fig. 1 and Fig. 2, the banding material unwinding device of the present embodiment, it also includes guide roller 3, described
Material enters after the tensioning disk roller 4 between the adjacent guide roller 3.In the present embodiment, the adjacent guide roller 3
Power unit is also used as, and traction is played a part of to material.
Certainly, the form of guide roller 3 is not necessarily the form in diagram, and it is not necessarily to material being folded in adjacent
Guide roller 3 between.As long as the guide effect of material can be met, the guide roller 3 of any likeness in form should all be included in this
Among the protection domain of application.
In the present embodiment, preferably：In the horizontal direction, tensioning disk roller 4 is located at guide roller 3 and unreeled between disk roller 1；Edge is perpendicular
Nogata is to tensioning disk roller 4 is located at the lower section of guide roller 3；Material enters adjacent guide roller after being tensioned the lower section of disk roller 4
Between 3.Wherein, " tensioning disk roller 4 is located at guide roller 3 and unreeled between disk roller 1 " can effectively save space；" tensioning disk roller 4
Positioned at the lower section of guide roller 3 " it can make it that be tensioned disk roller 4 is lifted the tensile force for being tensioned disk roller 4 by one upwards, so that logical
The relation that the first lever 8 and the second lever 8 are rationally set is crossed, lever 8 can be caused to can be carried out reset under gravity.
Refer to Fig. 3, the banding material unwinding device of the present embodiment, tensioning disk roller 4 is fixed on the by jump ring 6 and the shaft shoulder
On great wheel arbor 5, the second wheel shaft 5 is fixed in the second bar segment of lever 8 by the first screw 7.Also, the second bar segment and spring 9
Upper end connection, the lower end of spring 9 is connected by the second screw 10 and fixed plate 2.In addition, the support of lever 8 includes limited screw
11 and lever mount 12.Perforated in the middle of lever 8 and lever mount 12, limited screw 11 sequentially passes through the lever 8, lever mount
After perforation on 12, the lever mount 12 is fixed in fixed plate 2.Wherein, limited screw 11 carries out axial direction to lever 8
It is spacing and locking, and lever 8 can be rotated around limited screw 11.
The banding material unwinding device of the present embodiment, unreels disk roller 1 and the collective effect of guide roller 3 realizes feeding.When leading
When starting to disk roller 3, tractive force drives material onwards transmission, and tensioning disk roller 4 is moved, put simultaneously upwards under material pulling force effect
Material volume on winding up roller wheel 1 is rotated under material tractive force realizes blowing.When 3 stop motion of guide roller, unreel disk roller 1 due to
Inertia continues blowing, and tensioning disk roller 4 moves downward storing in the presence of the pulling force of spring 9, drives the brake shoes of the opposite side of lever 8
13 motions upwards.When the pivot angle of lever 8 reaches certain angle, brake shoes 13 contacts with unreeling the brake disc 14 of disk roller 1, rubbed,
Producing resistance makes to unreel the stop motion of disk roller 1, realizes the brake of blowing process.
Embodiment of above is merely to illustrate the present invention, rather than limitation of the present invention.Although with reference to embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that, to technical scheme carry out it is various combination,
Modification or equivalent substitution, without departure from the spirit and scope of technical solution of the present invention, the right that all should cover in the present invention is wanted
Ask among scope.
Claims (6)
1. a kind of banding material unwinding device, it is characterised in that including frame, unreel disk roller, tensioning disk roller, lever, reset bullet
Spring, guide roller；The disk roller that unreels is used to install material, and the disk roller that unreels is in the frame, and described
Unreel and the first friction member is fixed with the first wheel shaft of disk roller；The lever is connected by levers support with the frame, and institute
It is the first bar segment and the second bar segment to state lever and punished from the levers support；The second friction member is fixed with first bar segment,
The tensioning disk roller is installed in second bar segment；The tensile force that disk roller is tensioned by the material, when the tensioning
When power is more than the first critical value, the lever is rotated forward and so that second friction member is separated with first friction member；
When the tensile force is less than the second critical value, the lever backwards rotation is until second friction member and the described first friction
Part is contacted；The first end of the back-moving spring and frame connection, the second end of the back-moving spring and second bar segment
Connection；And the tensile force be more than the first critical value when, the back-moving spring is stretched；When the tensile force is critical less than second
During value, the back-moving spring drives the lever to reset；Second bar segment is axially disposed multiple mounting holes, and the peace
Dress hole is used to install the back-moving spring；In the horizontal direction, the tensioning disk roller is located at the guide roller and the let off roll
Between wheel；Vertically, the tensioning disk roller is located at the lower section of the guide roller；Material is by under the tensioning disk roller
Enter behind side between the adjacent guide roller.
2. banding material unwinding device according to claim 1, it is characterised in that the frame includes fixed plate；It is described
Through hole is offered in fixed plate and hides groove；It is described to unreel disk roller and be tensioned the first side that disk roller is installed in the fixed plate,
The lever, the first friction member and the second friction member are installed in the second side of the fixed plate；It is described to unreel the first of disk roller
Wheel shaft is connected after passing through the through hole with first friction member；Second wheel shaft of the tensioning disk roller is hidden after groove through described
With second bar segment connection.
3. banding material unwinding device according to claim 1, it is characterised in that the length of second bar segment is more than institute
State the length of the first bar segment.
4. the banding material unwinding device according to claims 1 to 3 any one, it is characterised in that first friction
Part is brake disc, and second friction member is brake shoes.
5. the banding material unwinding device according to claims 1 to 3 any one, it is characterised in that first bar segment
Angle between second bar segment is 120 ° -150 °.
6. the banding material unwinding device according to claims 1 to 3 any one, it is characterised in that the levers support
Including limited screw and lever mount, the limited screw is sequentially passed through after the lever, lever mount and frame, by the thick stick
Bar base is fixed in the frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610522299.6A CN106115339B (en) | 2016-07-05 | 2016-07-05 | A kind of banding material unwinding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610522299.6A CN106115339B (en) | 2016-07-05 | 2016-07-05 | A kind of banding material unwinding device |
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| CN106115339A CN106115339A (en) | 2016-11-16 |
| CN106115339B true CN106115339B (en) | 2017-09-29 |
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| CN107934628A (en) * | 2017-12-14 | 2018-04-20 | 杭州春来科技有限公司 | Filter paper blocks moment of torsion holding meanss |
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| JPS6072438U (en) * | 1983-10-25 | 1985-05-22 | 株式会社 サト− | Feeding mechanism for band-shaped members |
| ES2019738A6 (en) * | 1989-11-28 | 1991-07-01 | Enflex S A | Device for supplying unrolled laminar material |
| CN202245466U (en) * | 2011-10-10 | 2012-05-30 | 佛山市中研非晶科技股份有限公司 | Winding device allowing constant tension of amorphous alloy strips |
| CN203199753U (en) * | 2013-04-08 | 2013-09-18 | 河北科技大学 | Feedback flexible material tension control device |
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