CN109051948A - A kind of rewinding machine electric control system - Google Patents
A kind of rewinding machine electric control system Download PDFInfo
- Publication number
- CN109051948A CN109051948A CN201810742418.8A CN201810742418A CN109051948A CN 109051948 A CN109051948 A CN 109051948A CN 201810742418 A CN201810742418 A CN 201810742418A CN 109051948 A CN109051948 A CN 109051948A
- Authority
- CN
- China
- Prior art keywords
- control system
- motor
- bottom roller
- winding drum
- paper bowl
- Prior art date
- 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.)
- Pending
Links
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
- B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
- B65H23/198—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations motor-controlled (Controlling electrical drive motors therefor)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
- B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/26—Cutting-off the web running to the wound web roll
-
- 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
- B65H23/185—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 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
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
- B65H26/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs for variation in 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
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/10—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
- B65H2515/31—Tensile forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2551/00—Means for control to be used by operator; User interfaces
- B65H2551/10—Command input means
- B65H2551/18—Graphical interactive displays; Mouses; Touchscreens
Landscapes
- Winding Of Webs (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
The invention discloses a kind of rewinding machine electric control systems, comprising: reactor, controller, touch screen, preceding bottom roller control system, rear winding drum control system, moves back paper bowl control system, hand papercutter control system and air roll supplementary controlled system at fairing.The medicine have the advantages that the present invention can reduce human intervention factor, so that finished product reaches satisfactory tightness, end face quality, breadth and finished diameter or length requirement, the workload that automatic technology is horizontal, when reduction operator produces is improved, while improving production efficiency.
Description
Technical field
The invention belongs to technical field of electric control, and in particular to a kind of rewinding machine electric control system.
Background technique
The paper that paper machine is produced, breadth are that paper machine width degree determines, but does not meet lower road production process requirement
(for example doing carton), it is therefore desirable to which rewinding again complies with requirement of the next procedure to breadth, paper length or diametrically.
Rewinding machine in the prior art again rewinding when, tension majority be all intervene manually, therefore rewinding come out finished product, either exist
Tightness, the total length of the quality of end face quality or paper or product volume error diametrically and human factor relationship are very big.
Summary of the invention
For the comprehensively solve above problem, in particular for deficiency of the prior art, it is multiple that the present invention provides one kind
Rolling up electrical-mechanical control system being capable of the comprehensively solve above problem.
To achieve the above object, the present invention uses following technological means:
A kind of rewinding machine electric control system characterized by comprising reactor, fairing, controller, touch screen,
Preceding bottom roller control system, rear winding drum control system move back paper bowl control system, hand papercutter control system and air roll auxiliary control system
System, the reactor connect external power supply, and the external power supply gives controller, touch screen and air roll auxiliary control respectively
System power supply, the reactor are electrically connected with fairing, and the fairing gives preceding bottom roller control system, rear bottom respectively
Roller control system moves back paper bowl control system, the power supply of hand papercutter control system, and the touch screen and controller input connect, described
Controller respectively with preceding bottom roller control system, rear winding drum control system, move back paper bowl control system, hand papercutter control system and platen
The control connection of roller supplementary controlled system, the controller are the PLC of Siemens S7300 series, and the touch screen is Xi Menzijian
Control KTP1200 series；
The preceding bottom roller control system includes: that preceding bottom roller inverter, preceding bottom roller motor and preceding bottom roller encoder, the preceding bottom roller are inverse
Becoming device is compact-covering map, is distributed by the speed ring of bottom roller inverter before controlling and the effective of electric current loop, reaches finished roll
In tight outer pine effect；
The rear winding drum control system includes: rear winding drum inverter, rear winding drum motor and rear winding drum encoder, and the rear winding drum is inverse
Becoming device is principal velocity control, so that rewinding machine is reached rate request by controlling rear winding drum inverter；
The paper bowl control system of moving back includes: to move back paper bowl inverter, move back paper bowl motor and move back paper bowl encoder, and described to move back paper bowl inverse
Becoming device is tension force, and control moves back the electric current loop of paper bowl inverter to make its constant tension, and given use of electric current loop moves back paper bowl
Real-time coil diameter, guarantee real-time given tension value by taper calculating；
The hand papercutter control system includes: hand papercutter inverter, hand papercutter motor, motor cut paper seat and hand papercutter, described to cut
Paper knife inverter control cut paper motor is pneumatically separated and is engaged with motor cut paper seat, the cut paper and separated work convenient for hand papercutter
Make；
The air roll supplementary controlled system includes: air roll, pressurization oil cylinder and ratio adjusting valve, the air roll be tightness with
The auxiliary of circularity controls, and by the pressure of the control of pressurization oil cylinder and adjusting air roll, guarantees that the circularity of finished roll and end face are whole
Together.
Further, the outside of the fairing is also connected with brake apparatus.
Above-mentioned beneficial effect is, rewinding machine work is awave, i.e. raising speed, speed stabilizing, reduction of speed, so motor is sometimes
It is work in generating state, on the electric energy feedback to common DC bus issued, if other motors cannot use up completely, needs
It wants brake apparatus to bleed off dump energy, avoids influencing system worked well.
Further, the preceding bottom roller motor, rear winding drum motor are quadrupole motor, and the paper bowl motor that moves back is octupole electricity
Machine.
Above-mentioned beneficial effect is that octupole motor has revolving speed low, and torsion is big, and speed change is simple, can preferably control
The tension of rewinding machine works.Quadrupole motor has revolving speed medium, and speed change is simple, applied widely, is suitable for driving a variety of productions
The characteristics of machine, is worked using the speed that quadrupole motor can preferably control rewinding machine.
The medicine have the advantages that the present invention can reduce human intervention factor, so that finished product reaches satisfactory tight
Degree, end face quality, breadth and finished diameter or length requirement improve automatic technology level, when reducing operator's production
Workload, while improving production efficiency.
Detailed description of the invention
Fig. 1 is system block diagram of the invention；
Fig. 2 is part system block diagram of the invention；
Fig. 3 is partial structure diagram of the invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, wherein the identical appended drawing reference table of identical components
Show.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to attached drawing
In direction, word "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.
As shown in Figure 1 to Figure 3, the present invention provides a kind of rewinding machine electric control system, comprising: reactor 1, rectification
Device 2, touch screen 4, preceding bottom roller control system 5, rear winding drum control system 6, moves back paper bowl control system 7, hand papercutter at controller 3
Control system 8 and air roll supplementary controlled system 9, the reactor 1 connect external power supply, and the external power supply is given respectively
Controller 3, touch screen 4 and air roll supplementary controlled system 9 are powered, and the reactor 1 is electrically connected with fairing 2, institute
State fairing 2 respectively to preceding bottom roller control system 5, rear winding drum control system 6, move back paper bowl control system 7 and hand papercutter control
System 8 is powered, and the touch screen 4 is connected with the input of controller 3, the controller 3 respectively with preceding bottom roller control system 5, rear bottom
Roller control system 6 moves back paper bowl control system 7, hand papercutter control system 8 and the control connection of air roll supplementary controlled system 9, described
Controller 3 is the PLC of Siemens S7300 series, and the touch screen 4 is Siemens's keying KTP1200 series.
Preceding bottom roller control system 5 includes: preceding bottom roller inverter 501, preceding bottom roller motor 502 and preceding bottom roller encoder 503, institute
Bottom roller inverter 501 is compact-covering map before stating, and passes through the speed ring of bottom roller inverter 501 before controlling and effectively dividing for electric current loop
Match, finished roll is made to achieve the effect that inner tight outer pine；
Control principle: there are mainly two types of operating modes for preceding bottom roller motor 502, and one is speed control state models；Another kind is
Direct torque state model.Rewinding machine (paper injection, core initial wrap), preceding bottom roller motor 502 when doing initial preparation are
Work receives the speed command issued by PLC in velocity mode, operates according to the speed that PLC gives.Work is under velocity mode
When, general speed is relatively low, at 5~30 ms/min；When bottom is accomplished fluently, rewinding machine prepares to accelerate, since air roll 901 has been pressed
On finished roll, before being applied to by finished roll on bottom roller motor 502, the bearing load of bottom roller motor 502 before institute,
At this moment the power output of preceding bottom roller motor 502 certain ratio bigger than the power output of rear winding drum motor 602, rolls tightly paper roll.Preceding bottom roller
Motor 502 receives the torque instruction issued by PLC, operates according to given torque value.Speed stall in order to prevent simultaneously, preceding bottom
It is provided with speed difference in roller inverter 501 to control, i.e., the difference of the speed of the speed and rear winding drum motor 602 of preceding bottom roller motor 502
Not above setting value in preceding bottom roller inverter 501；
Implementation method: PLC communicates the speed and torque for reading rear winding drum by DP, then again that the back roller torque read back is attached again
Add 20%(host computer that can set) torque reference of preceding bottom roller inverter 501 is given, while speed also being given to preceding bottom roller motor
502,502 torque of bottom roller motor is contributed always before being achieved that in the way of the ADD window control inside preceding bottom roller inverter 501
It is bigger than rear winding drum motor 602, tight outer loose effect in the finished roll thus realized.
Rear winding drum control system 6 includes: rear winding drum inverter 601, rear winding drum motor 602 and rear winding drum encoder 603, institute
Stating rear winding drum inverter 601 is principal velocity control, so that rewinding machine is reached rate request by controlling rear winding drum inverter 601；
Control principle: rear winding drum motor 602 is speed control mode, and the design speed index of rewinding machine is mainly by rear winding drum motor
602 determine, for example the design speed of rewinding machine is 1800 ms/min, then the meaning indicated is exactly, in rear winding drum inverter 601
When frequency reaches 50HZ, the linear velocity of rear winding drum motor 602 should reach 1800 ms/min.
The paper bowl control system 7 of moving back includes: to move back paper bowl inverter 701, move back paper bowl motor 702 and move back paper bowl encoder
703, the paper bowl inverter 701 that moves back is tension force, and control moves back the electric current loop of paper bowl inverter 701 to make its constant tension,
The given of electric current loop uses the real-time coil diameter for moving back paper bowl motor 702, guarantees real-time given tension value by taper calculating；
Control principle: move back paper bowl motor 702 there are four types of operating mode: forward direction speed crawl, inverted speed crawl, given tension,
Quiet given tension.Forward direction speed crawl: for rewinding machine in paper injection, the paper moved back above paper bowl motor 702 is very heavy, generally there is several tons,
So paper bowl motor 702 is moved back by manpower rotation, on the core before paper is guided between bottom roller motor 502 and rear winding drum motor 602,
Not very convenient, so give the instruction of PLC crawl in paper injection, control, which is moved back paper bowl inverter 701 and allowed, moves back paper bowl motor 702 with relatively slow
Speed to forward, paper is drawn and is gone to the front.Inverted speed crawl: during paper injection, before may guiding to for some reason
The chart speed degree in face is slow or has stopped or paper injection finishes, but moves back paper bowl motor 702 since inertia may be also to forward
It is some, lead to intermediate pile product.At this moment it needs to move back paper bowl motor 702 and rotates backward and flatten paper, so at this moment giving PLC point
Dynamic instruction, control, which is moved back paper bowl inverter 701 and allowed, is moved back paper bowl motor 702 and is turned round with slower speed, reaches the mesh for flattening paper
's.Quiet given tension: on the core before paper is guided between bottom roller motor 502 and rear winding drum motor 602, and paper is pasted
Good, core is pushed down in the decline of air roll 801, is moved back after paper bowl motor 702 flattens paper, is given PLC instruction, paper bowl inversion is moved back in control
Device 701 provides a smaller torque value, and paper is allowed to tighten, even up, and prepares for rewinding machine starting.Given tension: rewinding
When machine operates normally, certain power will be applied by moving back paper bowl motor 702, and paper is made to remain that tensioned state, PLC pass through to speed
The calculating for spending, moving back 702 diameter of paper bowl motor provides torque value control in real time and moves back paper bowl inverter 701；
Taper calculation formula is as follows:
Move back 702 torques of paper bowl motor=TEN_SP* (1+ (TAPER/DIA) * (DIA-DIA_MIN)) * SCALE.
Note:
TEN_SP: operator sets tension on host computer.
TAPPER: taper coefficient is inputted on host computer.
DIA: paper diameter is currently moved back.
DIA_MIN: paper minimum diameter is moved back.
SCALE: host computer is adjustable output factor.
The hand papercutter control system 8 includes: hand papercutter inverter 801, hand papercutter motor 802,803 and of motor cut paper seat
Hand papercutter 804, the hand papercutter inverter 801 control hand papercutter motor 802 and separate and nibble with the pneumatic of motor cut paper seat 803
It closes, cut paper and separated work convenient for hand papercutter 804.
Air roll supplementary controlled system 9 includes: air roll 901, pressurization oil cylinder 902 and ratio adjusting valve 903, the platen
Roller 901 is the auxiliary control of tightness and circularity, passes through the pressure of the control of pressurization oil cylinder 902 and adjusting air roll 901, guarantee finished product
The circularity of paper roll and end face are neat；
Control principle: its main function is to push down finished paper, makes it between preceding bottom roller motor 502 and rear winding drum motor 602
Stablize, does not beat.But to be pressed in the power in finished paper suitable, otherwise either pressure is big has flattened finished paper or pressed
Power is small not to push down finished paper, so that finished product paper bowl is beated, so PLC is provided in real time according to the calculating to finished paper diameter
Controlling value adjusts the pressure being applied on air roll by ratio adjusting valve 903, guarantees that rewinding machine is transported according to the index of design
Row；
Concrete mode is as follows: setting the corresponding platen roller pressure of several groups finished diameter on touch screen, utilizes linear interpolation function
Generate the air roll pressure curve about finished diameter and platen roller pressure.The X-axis of curve is finished diameter, and the Y-axis of curve is
Air roll pressure output.
The outside of fairing 2 is also connected with brake apparatus 201, rewinding machine work be it is awave, i.e., raising speed, speed stabilizing,
Reduction of speed, so motor sometimes works in generating state, on the electric energy feedback to common DC bus issued, if other electricity
Machine cannot use up completely, and brake apparatus 201 is needed to bleed off dump energy, avoid influencing system worked well.
Preceding bottom roller motor 502, rear winding drum motor 602 are quadrupole motor, and moving back paper bowl motor 702 is octupole motor, hand papercutter
Motor 802 is two-pole machine, and variable-frequency motor has revolving speed adjustable, and torsion is big, and speed change is simple, applied widely, is suitable for driving
The characteristics of a variety of production machines, can preferably control the work of rewinding machine using different series motors as needed.
Examples made by the present invention, and do not limit the embodiments.Those of ordinary skill in the art are come
It says, other different forms of changes or modifications may be made based on the above description, there is no need and unable to all
Embodiment be exhaustive, and thus changes and variations that derived from are still in protection scope of the present invention
In.
Claims (3)
1. a kind of rewinding machine electric control system characterized by comprising reactor, fairing, controller, touch
Screen, preceding bottom roller control system, rear winding drum control system move back paper bowl control system, hand papercutter control system and air roll auxiliary control
System processed, the reactor connect external power supply, and the external power supply gives controller, touch screen and air roll auxiliary respectively
Control system power supply, the reactor is electrically connected with fairing, the fairing give respectively preceding bottom roller control system,
Rear winding drum control system moves back paper bowl control system, the power supply of hand papercutter control system, and the touch screen and controller input connect,
The controller respectively with preceding bottom roller control system, rear winding drum control system, move back paper bowl control system, hand papercutter control system and
The control connection of air roll supplementary controlled system, the controller are the PLC of Siemens S7300 series, and the touch screen is west gate
Sub-key control KTP1200 series；
The preceding bottom roller control system includes: that preceding bottom roller inverter, preceding bottom roller motor and preceding bottom roller encoder, the preceding bottom roller are inverse
Becoming device is compact-covering map, is distributed by the speed ring of bottom roller inverter before controlling and the effective of electric current loop, reaches finished roll
In tight outer pine effect；
The rear winding drum control system includes: rear winding drum inverter, rear winding drum motor and rear winding drum encoder, and the rear winding drum is inverse
Becoming device is principal velocity control, so that rewinding machine is reached rate request by controlling rear winding drum inverter；
The paper bowl control system of moving back includes: to move back paper bowl inverter, move back paper bowl motor and move back paper bowl encoder, and described to move back paper bowl inverse
Becoming device is tension force, and control moves back the electric current loop of paper bowl inverter to make its constant tension, and given use of electric current loop moves back paper bowl
Real-time coil diameter, guarantee real-time given tension value by taper calculating；
The hand papercutter control system includes: hand papercutter inverter, hand papercutter motor, motor cut paper seat and hand papercutter, described to cut
Paper knife inverter control hand papercutter motor is pneumatically separated and is engaged with motor cut paper seat, the cut paper and separated work convenient for hand papercutter
Make；
The air roll supplementary controlled system includes: air roll, pressurization oil cylinder and ratio adjusting valve, the air roll be tightness with
The auxiliary of circularity controls, and by the pressure of the control of pressurization oil cylinder and adjusting air roll, guarantees that the circularity of finished roll and end face are whole
Together.
2. a kind of rewinding machine electric control system according to claim 1, which is characterized in that the outside of the fairing
It is also connected with brake apparatus.
3. a kind of rewinding machine electric control system according to claim 1, which is characterized in that the preceding bottom roller motor, after
Bottom roller motor is quadrupole motor, and the paper bowl motor that moves back is octupole motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810742418.8A CN109051948A (en) | 2018-07-09 | 2018-07-09 | A kind of rewinding machine electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810742418.8A CN109051948A (en) | 2018-07-09 | 2018-07-09 | A kind of rewinding machine electric control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109051948A true CN109051948A (en) | 2018-12-21 |
Family
ID=64819560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810742418.8A Pending CN109051948A (en) | 2018-07-09 | 2018-07-09 | A kind of rewinding machine electric control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109051948A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774746A (en) * | 2019-10-29 | 2020-02-11 | 云南岭东印刷包装有限公司 | One-step gravure printing system |
| CN113518752A (en) * | 2019-03-05 | 2021-10-19 | 福伊特专利有限公司 | Drive for a coil cutter |
| CN117775832A (en) * | 2024-02-26 | 2024-03-29 | 合肥安迅精密技术有限公司 | Method and system for ensuring tension of material film in feeding process of flyer and storage medium |
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| GB417769A (en) * | 1933-04-11 | 1934-10-11 | Jagenberg Werke Ag | Improvements in or relating to machines for reeling paper or like webs |
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| CN102424289A (en) * | 2010-08-06 | 2012-04-25 | 福伊特专利公司 | Method for wrapping a sheet of material and roll cutting device |
| CN202219996U (en) * | 2011-08-23 | 2012-05-16 | 王良忠 | Automatic bobbin slitting rewinder |
| CN107697696A (en) * | 2017-11-04 | 2018-02-16 | 无锡山秀科技有限公司 | A kind of carbon cloth cloth-rolling device |
| CN108083000A (en) * | 2016-11-22 | 2018-05-29 | 周晓萍 | A kind of full exchange rewinding machine electric control system |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB417769A (en) * | 1933-04-11 | 1934-10-11 | Jagenberg Werke Ag | Improvements in or relating to machines for reeling paper or like webs |
| CN201130923Y (en) * | 2007-11-23 | 2008-10-08 | 广州市京龙工程机械有限公司 | Frequency speed control system |
| CN102424289A (en) * | 2010-08-06 | 2012-04-25 | 福伊特专利公司 | Method for wrapping a sheet of material and roll cutting device |
| CN202219996U (en) * | 2011-08-23 | 2012-05-16 | 王良忠 | Automatic bobbin slitting rewinder |
| CN108083000A (en) * | 2016-11-22 | 2018-05-29 | 周晓萍 | A kind of full exchange rewinding machine electric control system |
| CN107697696A (en) * | 2017-11-04 | 2018-02-16 | 无锡山秀科技有限公司 | A kind of carbon cloth cloth-rolling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113518752A (en) * | 2019-03-05 | 2021-10-19 | 福伊特专利有限公司 | Drive for a coil cutter |
| CN110774746A (en) * | 2019-10-29 | 2020-02-11 | 云南岭东印刷包装有限公司 | One-step gravure printing system |
| CN117775832A (en) * | 2024-02-26 | 2024-03-29 | 合肥安迅精密技术有限公司 | Method and system for ensuring tension of material film in feeding process of flyer and storage medium |
| CN117775832B (en) * | 2024-02-26 | 2024-05-07 | 合肥安迅精密技术有限公司 | Method and system for ensuring tension of material film in feeding process of flyer and storage medium |
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Application publication date: 20181221 |
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| RJ01 | Rejection of invention patent application after publication |