CN108557543A - A kind of unwinding control method of unwinding device - Google Patents
A kind of unwinding control method of unwinding device Download PDFInfo
- Publication number
- CN108557543A CN108557543A CN201810242963.0A CN201810242963A CN108557543A CN 108557543 A CN108557543 A CN 108557543A CN 201810242963 A CN201810242963 A CN 201810242963A CN 108557543 A CN108557543 A CN 108557543A
- Authority
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- China
- Prior art keywords
- pendency
- roller
- control module
- motor mechanism
- power roller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
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- 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
- B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
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- 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
- B65H23/192—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 motor-controlled
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The invention discloses a kind of unwinding control methods of unwinding device,The material winding on material roller is gone out by power roller,So that the linear velocity of speed and power roller of the material volume Jing Guo power roller is almost the same,The speed exported is rolled up to accurately control material by the velocity magnitude of motor mechanism control power roller to be conducive to main control module,Main control module is detected the pendency depth of material pendency section between the power roller and supporting material roller by distance measuring sensor and passes through motor mechanism,Power roller carrys out control material volume output speed,The pendency depth of control material pendency section fluctuates within the scope of some as possible when convenient for unreeling,So,The power roller of this unwinding device can work at different speeds with external haulage gear,The unwinding control method applicability of this unwinding device is good,And can reduce motor mechanism machine stop times and reduce will repeatedly start energy consumption caused by motor mechanism,It is conducive to extend the service life of motor mechanism,With substantive distinguishing features outstanding and significant progress.
Description
Technical field
The present invention relates to a kind of unwinding control methods of unwinding device.
Background technology
Currently, existing unwinding device is all to be rotated by motor direct-drive material roller to put material roller feeding volume
Go out, when the periphery of material volume is larger, motor is difficult to accurately control the velocity of rotation of material roller so that the more stable output of material volume；
In addition, the periphery of material volume constantly reduces during blowing, motor needs the velocity of rotation of control material roller to accelerate so that material volume is protected
The output of original speed is held, generally requires and detects the periphery size variation situation of material volume by adding sensor in order to controlling electricity
Machine adjusts material roller rotating speed, or two limit points up and down by dangling in material volume install photoelectric sensor, pass through two light
Electric transducer triggers motor progress start-stop and reaches the function of unreeling in turn, is rotated above by motor direct-drive material roller
Unwinding device applicability it is bad, after feeding volume is connect with external haulage gear again, when conveying, is easy to pull stock volume or make
Material volume fold gets up.
Therefore, how to overcome above-mentioned defect, it has also become those skilled in the art's important topic urgently to be resolved hurrily.
Invention content
The invention overcomes the shortcomings of the above-mentioned technology and provides a kind of unwinding control methods of unwinding device.
To achieve the above object, present invention employs following technical proposals：
A kind of unwinding control method of unwinding device, the device include main control module, motor mechanism 1 and set successively
Material roller 2, power roller 3, the supporting material roller 4 set, the power roller 3 are driven by motor mechanism 1 and roll up the material on material roller 2
100 take out of, and described device further includes be useful for detecting downwards the pendency section 101 of material between the power roller 3 and supporting material roller 4 outstanding
Vertical depth degree rotates the distance measuring sensor 5 of speed, the distance measuring sensor 5, electricity in order to the master control module controls motor mechanism 1
Machine mechanism 1 is electrically connected with the main control module respectively, which includes having the following steps：
Step A, by material roller 2 material roll up 100 free ends successively pass through power roller 3 and supporting material roller 4, then by its with it is outer
Portion's haulage gear connection；
Step B, in the default pendency depth bounds of main control module, then drive the power roller 3 by object by motor mechanism 1
Material volume 100 on material roller 2 is taken out of, when main control module detects object between power roller 3 and supporting material roller 4 by distance measuring sensor 5
When the pendency depth of material pendency section 101 is less than default pendency depth bounds, master control module controls motor mechanism 1 improves current speed
Degree, when main control module detects that material between power roller 3 and supporting material roller 4 dangles the pendency depth of section 101 by distance measuring sensor 5
In default pendency depth bounds, control circuit controls motor mechanism 1 and maintains present speed, when main control module is sensed by ranging
It is main when device 5 detects that the pendency depth of material pendency section 101 between power roller 3 and supporting material roller 4 is more than default pendency depth bounds
Controlling module control motor mechanism 1 reduces present speed.
A kind of unwinding control method of unwinding device as described above, in stepb, when main control module is sensed by ranging
It is main when device 5 detects that the pendency depth of material pendency section 101 between power roller 3 and supporting material roller 4 is less than default pendency depth bounds
It controls module control motor mechanism 1 and improves present speed as speed is improved A percentage points, wherein 10≤A≤90.
A kind of unwinding control method of unwinding device as described above, it is characterised in that in stepb, when main control module is logical
It crosses distance measuring sensor 5 and detects that the pendency depth of material pendency section 101 between power roller 3 and supporting material roller 4 is more than default pendency deeply
When spending range, it is that speed is reduced B percentage points that master control module controls motor mechanism 1, which reduces present speed, wherein 10≤B≤
90。
A kind of unwinding control method of unwinding device as described above, in stepb, when main control module is sensed by ranging
Device 5 detects that the pendency depth of material pendency section 101 between power roller 3 and supporting material roller 4 is less than holding for default pendency depth bounds
When the continuous time is more than several durations, master control module controls motor mechanism 1 further increases present speed；And/or work as main control module
Detect that the pendency depth of material pendency section 101 between power roller 3 and supporting material roller 4 is more than default pendency by distance measuring sensor 5
When the duration of depth bounds is more than several durations, master control module controls motor mechanism 1 further decreases present speed.
A kind of unwinding control method of unwinding device as described above, described device further includes having to match with the power roller 3
Co-clip holds preferably to drive the driven voller 31 of material volume 100.
A kind of unwinding control method of unwinding device as described above, 2 outer end of the material roller engagement are connected with reducing gear
Roller box 6.
A kind of unwinding control method of unwinding device as described above, 2 outer end of material roller are equipped with rotational handle 7.
A kind of unwinding control method of unwinding device as described above, the material roller 2, power roller 3, motor mechanism 1, master
Control module and distance measuring sensor 5 are all disposed on same holder, and the supporting material roller 4 is arranged on other holder.
A kind of unwinding control method of unwinding device as described above, between the distance measuring sensor 5 and the power roller 3
Holder be equipped with the material taken out of volume made 100 to be not easy to encounter the fender rod 8 of distance measuring sensor 5.
Compared with prior art, the beneficial effects of the invention are as follows：
1, this case is gone out the material winding on material roller by power roller, on the one hand so that material volume is by power roller
The linear velocity of speed and power roller is almost the same, big by the speed of motor mechanism control power roller to be conducive to main control module
It is small to roll up the speed exported to accurately control material, on the other hand to form fixation between the power roller and supporting material roller when work
The material pendency section of width, compared with there is no limit the material pendency fixed technical solution of section width, material described in this case is outstanding
The bottom that section of hanging down is formed is between power roller and supporting material roller in the range of fixed width so that material pendency section pendency depth changes
When its bottom traverse range it is little, detect the pendency depth of material pendency section downwards convenient for distance measuring sensor, error is small；
This case main control module detected by distance measuring sensor the pendency section of material between the power roller and supporting material roller pendency depth and
Output speed is rolled up come control material by motor mechanism, power roller, the pendency depth of control material pendency section is most when convenient for unreeling
Amount fluctuates within the scope of some, in this way, the power roller of this unwinding device can be operated in different speed from external haulage gear
Under, the unwinding control method applicability of this unwinding device is good, and can reduce motor mechanism machine stop times and reduce and repeatedly to open
Energy consumption caused by dynamic motor mechanism, is conducive to extend the service life of motor mechanism, has substantive distinguishing features outstanding and shows
The progress of work；In addition, compared with the technical solution of the default pendency single definite value of depth, when using the default pendency single definite value of depth
When, master control module controls motor mechanism improves speed and to reduce the acting frequently of speed, switching interval shorter, and this case master control mould
The default pendency depth bounds of block include the big value of default pendency depth and small value, when the pendency depth of material pendency section is small
After default pendency depth bounds make master control module controls motor mechanism improve present speed, need through after a period of time
The pendency depth of material pendency section can be made to be more than default pendency depth bounds, then master control module controls motor mechanism reduces current
Speed similarly when the pendency depth of material pendency section is more than default pendency depth bounds and makes master control module controls motor machine
After structure reduces present speed, need through can just make the pendency depth of material pendency section be less than default pendency depth model after a period of time
It encloses, is conducive to the time interval for making speed switch between raising and reduction growth, effectively extend motor mechanism uses the longevity
Life.
2, when external haulage gear makes the pendency depth of material pendency section be less than default pendency depth accelerating traction
When the duration of range is more than several durations, master control module controls motor mechanism further increases present speed, in order to not
Keep the pendency depth of material pendency section more and more shallow and influences the traction of external haulage gear.
3, when external haulage gear makes the pendency depth of material pendency section be more than default pendency depth bounds in deceleration
Duration be more than several durations when, master control module controls motor mechanism further decreases present speed, in order to not make object
The pendency depth increasingly generation for the buckling problems that contact to earth deeply of material pendency section.
Description of the drawings
Fig. 1 is one of unwinding device structural schematic diagram of this case.
Fig. 2 is the unwinding device second structural representation of this case.
Specific implementation mode
Feature of present invention and other correlated characteristics are described in further detail by the following examples, in order to the same industry
The understanding of technical staff：
As shown in Figure 1 to Figure 2, a kind of unwinding control method of unwinding device, the device include main control module, motor machine
Structure 1 and the material roller 2 set gradually, power roller 3, supporting material roller 4, the power roller 3 by motor mechanism 1 drive and by material
Material volume 100 on roller 2 is taken out of, and described device further includes being useful for detecting material between the power roller 3 and supporting material roller 4 downwards
The pendency depth for section 101 of dangling rotates the distance measuring sensor 5 of speed in order to the master control module controls motor mechanism 1, described
Distance measuring sensor 5, motor mechanism 1 are electrically connected with the main control module respectively, which includes having the following steps：
Step A, by material roller 2 material roll up 100 free ends successively pass through power roller 3 and supporting material roller 4, then by its with it is outer
Portion's haulage gear connection；
Step B, in the default pendency depth bounds of main control module, then drive the power roller 3 by object by motor mechanism 1
Material volume 100 on material roller 2 is taken out of, when main control module detects object between power roller 3 and supporting material roller 4 by distance measuring sensor 5
When the pendency depth of material pendency section 101 is less than default pendency depth bounds, master control module controls motor mechanism 1 improves current speed
Degree, when main control module detects that material between power roller 3 and supporting material roller 4 dangles the pendency depth of section 101 by distance measuring sensor 5
In default pendency depth bounds, control circuit controls motor mechanism 1 and maintains present speed, when main control module is sensed by ranging
It is main when device 5 detects that the pendency depth of material pendency section 101 between power roller 3 and supporting material roller 4 is more than default pendency depth bounds
Controlling module control motor mechanism 1 reduces present speed.
As described above, this case is taken out of the material volume 100 on material roller 2 by power roller 3, on the one hand so that material volume
The linear velocity of 100 speed Jing Guo power roller 3 and power roller 3 is almost the same, passes through motor mechanism 1 to be conducive to main control module
The velocity magnitude of power roller 3 is controlled to accurately control the speeds of 100 output of material volume, on the other hand so that when work power
The material pendency section 101 that fixed width is formed between roller 3 and supporting material roller 4, material pendency 101 width of section is fixed with there is no limit
Technical solution compare, described in this case material pendency section 101 formed bottom between power roller 3 and supporting material roller 4 fixed width
In the range of so that its bottom traverse range is little when the material pendency pendency depth of section 101 changes, and is convenient for distance measuring sensor
5 detect downwards the pendency depth of material pendency section 101, and error is small；This case main control module is by distance measuring sensor 5 to detect
It states the pendency depth of material pendency section 101 between power roller 3 and supporting material roller 4 and object is controlled by motor mechanism 1, power roller 3
Material volume 100 exports speed, and the pendency depth of control material pendency section 101 fluctuates within the scope of some as possible when convenient for unreeling, such as
This, the power roller 3 of this unwinding device can work at different speeds with external haulage gear, this unwinding device unreels control
Method applicability processed is good, and can reduce 1 machine stop times of motor mechanism and reduce repeatedly to start energy caused by motor mechanism 1
Consumption, is conducive to extend the service life of motor mechanism 1, has substantive distinguishing features outstanding and significant progress；In addition, with default outstanding
The technical solution of the single definite value of vertical depth degree is compared, when definite value single using default pendency depth, master control module controls motor machine
Structure 1 improves speed and to reduce the acting frequently of speed, switching interval shorter, and the default pendency depth bounds of this case main control module,
Include the big value of default pendency depth and small value, when the pendency depth of material pendency section 101 is less than default pendency depth model
It encloses so that after the raising present speed of master control module controls motor mechanism 1, needs through can just make material pendency section after a period of time
101 pendency depth is more than default pendency depth bounds, and then master control module controls motor mechanism 1 reduces present speed, similarly,
When the pendency depth of material pendency section 101 is more than default pendency depth bounds and make the reduction of master control module controls motor mechanism 1
After present speed, need through can just make the pendency depth of material pendency section 101 be less than default pendency depth bounds after a period of time,
It is conducive to the time interval for making speed switch between raising and reduction growth, effectively extends the service life of motor mechanism 1.
As described above, when it is implemented, in stepb, when main control module detects power roller 3 by distance measuring sensor 5
When the pendency depth of material pendency section 101 is less than default pendency depth bounds between supporting material roller 4, master control module controls motor machine
It is that speed is improved A percentage points that structure 1, which improves present speed, wherein 10≤A≤90.
As described above, when it is implemented, in stepb, when main control module detects power roller 3 by distance measuring sensor 5
When the pendency depth of material pendency section 101 is more than default pendency depth bounds between supporting material roller 4, master control module controls motor machine
It is that speed is reduced B percentage points that structure 1, which reduces present speed, wherein 10≤B≤90.
As described above, when it is implemented, in stepb, when main control module detects power roller 3 by distance measuring sensor 5
When the duration that the pendency depth of material pendency section 101 is less than default pendency depth bounds between supporting material roller 4 is more than several
When long, master control module controls motor mechanism 1 further increases present speed, in this way, convenient for accelerating to lead when external haulage gear
When drawing and the pendency depth of material pendency section 101 being made to be more than several durations less than the duration of default pendency depth bounds,
Master control module controls motor mechanism 1 further increases present speed, in order to not make the pendency depth of material pendency section 101 more next
Traction that is more shallow and influencing external haulage gear.When main control module detects power roller 3 and supporting material roller 4 by distance measuring sensor 5
Between the pendency depth of material pendency section 101 when being more than the duration of default pendency depth bounds more than several durations, master control
Module control motor mechanism 1 further decreases present speed.In this way, convenient for so that material is outstanding in deceleration when external haulage gear
When the duration that the pendency depth of section of hanging down 101 is more than default pendency depth bounds is more than several durations, master control module controls electricity
Machine mechanism 1 further decreases present speed, in order to not make the pendency depth of material pendency section 101 increasingly deeper and the fold that contacts to earth
The generation of problem.
As described above, when it is implemented, the main control module is rotated using motor driver in order to control motor mechanism 1
Speed.
As described above, when it is implemented, unwinding device further includes having with the cooperation clamping of the power roller 3 in order to better
The driven voller 31 of material volume 100 is driven, in this way, be conducive to reduce the generation of slippery conditions when power roller 3 drives material volume 100,
Practicability is good.
As described above, when it is implemented, 2 outer end of material roller engagement is connected with reduction gear box 6, in this way, being conducive to
Reduce material roller 2 when power roller 3 drives material volume 100 and the occurrence of material is rolled up 100 and is freely rotated because of inertia thereon,
The practicality is good.
As described above, when it is implemented, 2 outer end of material roller is equipped with rotational handle 7.
As described above, when it is implemented, the material roller 2, power roller 3, motor mechanism 1, main control module and ranging pass
Sensor 5 is all disposed on same holder, and the supporting material roller 4 is arranged on other holder.
As described above, when it is implemented, the holder between the distance measuring sensor 5 and the power roller 3, which is equipped with, makes band
The material volume 100 gone out is not easy to encounter the fender rod 8 of distance measuring sensor 5.
As described above, a kind of unwinding control method of unwinding device is protected in this case, all are same or similar with this case structure
Technical solution should all be shown as falling into the protection domain of this case.
Claims (9)
1. a kind of unwinding control method of unwinding device, it is characterised in that the device include main control module, motor mechanism (1),
And material roller (2), power roller (3), the supporting material roller (4) set gradually, the power roller (3) by motor mechanism (1) drive and
Material volume (100) on material roller (2) is taken out of, described device further includes being useful for detecting the power roller (3) and support downwards
The pendency depth of material pendency section (101) is in order to the master control module controls motor mechanism (1) rotation speed between material roller (4)
Distance measuring sensor (5), the distance measuring sensor (5), motor mechanism (1) be electrically connected with the main control module respectively, this is unreeled
Control method includes having the following steps：
Step A, power roller (3) and supporting material roller (4) are passed through into material volume (100) free end on material roller (2) successively, then by it
It is connect with external haulage gear；
Step B, in the default pendency depth bounds of main control module, then drive the power roller (3) by object by motor mechanism (1)
Material volume (100) on material roller (2) is taken out of, when main control module detects power roller (3) and supporting material roller by distance measuring sensor (5)
(4) when the pendency depth of material pendency section (101) is less than default pendency depth bounds between, master control module controls motor mechanism
(1) present speed is improved, when main control module detects material between power roller (3) and supporting material roller (4) by distance measuring sensor (5)
In default pendency depth bounds, control circuit controls motor mechanism (1) and maintains current speed the pendency depth of section of dangling (101)
Degree, when main control module detects material pendency section (101) between power roller (3) and supporting material roller (4) by distance measuring sensor (5)
When depth of dangling is more than default pendency depth bounds, master control module controls motor mechanism (1) reduces present speed.
2. a kind of unwinding control method of unwinding device according to claim 1, it is characterised in that in stepb, work as master
Control module detects that the pendency of material pendency section (101) between power roller (3) and supporting material roller (4) is deep by distance measuring sensor (5)
When degree is less than default pendency depth bounds, it is that speed is improved A hundred that master control module controls motor mechanism (1), which improves present speed,
Branch, wherein 10≤A≤90.
3. a kind of unwinding control method of unwinding device according to claim 1, it is characterised in that in stepb, work as master
Control module detects that the pendency of material pendency section (101) between power roller (3) and supporting material roller (4) is deep by distance measuring sensor (5)
When degree is more than default pendency depth bounds, it is that speed is reduced B hundred that master control module controls motor mechanism (1), which reduces present speed,
Branch, wherein 10≤B≤90.
4. a kind of unwinding control method of unwinding device according to claim 1-3 any one, it is characterised in that in step
In rapid B, when main control module detects material pendency section between power roller (3) and supporting material roller (4) by distance measuring sensor (5)
(101) when the duration that pendency depth is less than default pendency depth bounds is more than several durations, master control module controls motor
Mechanism (1) further increases present speed；And/or when main control module detects power roller (3) and support by distance measuring sensor (5)
Expect the pendency depth of material pendency section (101) between roller (4) be more than duration of default pendency depth bounds more than it is several when
When long, master control module controls motor mechanism (1) further decreases present speed.
5. a kind of unwinding control method of unwinding device according to claim 1, it is characterised in that described device further includes
There is the driven voller (31) for coordinating with the power roller (3) and being clamped in order to preferably drive material to roll up (100).
6. a kind of unwinding control method of unwinding device according to claim 1, it is characterised in that the material roller (2) is outside
End engagement is connected with reduction gear box (6).
7. a kind of unwinding control method of unwinding device according to claim 1, it is characterised in that the material roller (2) is outside
End is equipped with rotational handle (7).
8. a kind of unwinding control method of unwinding device according to claim 1, it is characterised in that the material roller (2),
Power roller (3), motor mechanism (1), main control module and distance measuring sensor (5) are all disposed on same holder, the supporting material roller
(4) it is arranged on other holder.
9. a kind of unwinding control method of unwinding device according to claim 8, it is characterised in that the distance measuring sensor
(5) holder between the power roller (3), which is equipped with, makes the material taken out of volume (100) be not easy to encounter distance measuring sensor (5)
Fender rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242963.0A CN108557543A (en) | 2018-03-23 | 2018-03-23 | A kind of unwinding control method of unwinding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242963.0A CN108557543A (en) | 2018-03-23 | 2018-03-23 | A kind of unwinding control method of unwinding device |
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| CN108557543A true CN108557543A (en) | 2018-09-21 |
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ID=63532890
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| CN201810242963.0A Pending CN108557543A (en) | 2018-03-23 | 2018-03-23 | A kind of unwinding control method of unwinding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534034A (en) * | 2018-11-26 | 2019-03-29 | 广州来丽智能科技有限公司 | A kind of double dynamical blowing of industry entangles loose device |
| CN110371724A (en) * | 2019-06-18 | 2019-10-25 | 淮安信息职业技术学院 | A kind of micro- drawing-off automatic flexible unwinding device and its discharging method |
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