CN106335807B - A kind of control method of carton press paper advance mechanism - Google Patents
A kind of control method of carton press paper advance mechanism Download PDFInfo
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- CN106335807B CN106335807B CN201610707150.5A CN201610707150A CN106335807B CN 106335807 B CN106335807 B CN 106335807B CN 201610707150 A CN201610707150 A CN 201610707150A CN 106335807 B CN106335807 B CN 106335807B
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- paper feeding
- lift plate
- feed roller
- paper
- cardboard
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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
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/20—Controlling associated apparatus
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- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The present invention relates to the technical field of cardboard box printing machinery, more particularly, to a kind of control method of carton press paper advance mechanism.The present invention realizes the characteristics of advanced lift plate control mode is to overcome above-mentioned prior art in newly-designed front edge paper feed platform using the high accuracy of servo-control system and the advantage of high dynamic response.New front edge paper feed platform is using four motor drivings, respectively two ends control：Back segment paper feeding is equivalent to draw rollers paper feeding, and leading portion paper feeding is equivalent to traditional paper feeding；Front and rear grid lift board motor causes the level of grid to reach perfect condition, so as to ensure the precision of paper feeding.
Description
Technical field
The present invention relates to the technical field of cardboard box printing machinery, more particularly, to a kind of carton press paper advance mechanism
Control method.
Background technology
The servo leading-edge paper-feeding of carton press is the accurate fortune by the paper feeding wheel by servo drive control and flase floor
The vacuum adsorption paperboard fixed system of dynamic and appropriate size is worked in coordination together, it is ensured that cardboard is sent into machine.One carton
Printing machinery is general only to configure 1 paper feed unit.Once starting paper feed function, the effect of grid is to ensure that cardboard is located at paper feed
The peripheral location reduction of wheel so that cardboard is contacted with paper feeding wheel.When paper feed pattern starts, wheel speed is almost nil, but can pass through
Servo-drive rapidly accelerates, reach machine absolutely tangential velocity and maintained in whole paper feed stroke this speed
Degree.
In traditional approach paper feeding, gridded platform two ends decline simultaneously causes cardboard falls reaching the synchronous paper feed of linear velocity
Wheel, machine is sent cardboard into using the frictional force of paper feeding wheel, is contacted by a small distance draw rollers synchronous with linear velocity,
Cardboard is sent into vacuum transit area by draw rollers.Therefore, traditional paper feeding is all that will refer to cardboard by force with draw rollers from front edge paper feed
Platform hales feeding subsequent processing, and to ensure paper feeding precision, draw rollers can extrude cardboard produce enough pulling force at work
To reach the purpose of accurate paper feeding, the damage of certain procedures can be so caused to cardboard.
The content of the invention
There is provided a kind of carton press paper advance mechanism at least one defect for overcoming described in above-mentioned prior art by the present invention
Control method, do not destroy paper board strength on the premise of ensureing that paper feeding precision is unaffected, lift the competitiveness of printing machine, together
The mechanical structure of Shi Jingjian printing machines, the automation control system for improving paper feeding quality and hoisting machine, therefore given in new leading edge
Mechanism of paper cancels draw rollers, and the deficiency of Traditional control is solved using advanced lift plate control mode.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of control of carton press paper advance mechanism
Method processed, wherein, comprise the following steps：
S1. selection cam number and paper feeding stroke is set to be communicated with master controller in man-machine interface, then will by master controller
Cam number is sent to motion controller, and the kinematic feature factor that thus internal arithmetic is drawn is corresponding to control drive module to perform
Function, motion controller is by local communication bus and host computer man-machine interface and master controller connecting communication and uploads driving
The status data of module and motor is to host computer man-machine interface；
S2. according to cam curve calculation expression；
S3. when being produced in machine paper feeding, cardboard is in feed roller R1, feed roller R2, lift plate L1 and lift plate L2 phase interworkings
Sent out under conjunction；Suitable paper feeding stroke is selected by man-machine interface, and cam number is sent to by fortune by master controller
Movement controller, while judging selected cam number its cardboard length and cam number according to the cardboard length detected
The matching degree of corresponding theoretical stroke, if matching does not pass through, needs to reselect；Motion controller is according to selected paper feeding
Stroke, motor-driven control parameter is drawn by internal arithmetic；If actual measurement draws paper feeding stroke with actually whether there is
Deviation, then need again to be designed cam curve modification.
The purpose of the present invention is the high accuracy and high dynamic that servo-control system is utilized in newly-designed front edge paper feed platform
The advantage of response realizes the characteristics of advanced lift plate control mode is to overcome above-mentioned prior art.New front edge paper feed platform is used
Four motor drivings, respectively two ends control：Back segment paper feeding is equivalent to draw rollers paper feeding, and leading portion paper feeding is equivalent to traditional paper feeding；
Front and rear grid lift board motor causes the level of grid to reach perfect condition, so as to ensure the precision of paper feeding.
The control system designed by this purpose includes：Motor drive module, motor, Human machine interface（Touch-screen）, master control
Device processed, motion controller, local communication bus and motion control bus.
In the present invention, motor includes the first paper feeding turbin generator, the second paper feeding turbin generator, the first lift board motor, the second lift plate
Motor.
In 1. part, feed roller R1 and R2, grid lift plate L1 and L2 are in inactive state, and vacuum suction is opened；2.
Part, starts paper feeding function, and grid lift plate L1 and L2 decline simultaneously, when grid lift plate drops to some position, feed roller R1
Start；In 3. part, when cardboard is sent to feed roller R2, feed roller R1 and R2 linear velocity are synchronous；In 4. part, when cardboard quilt
When delivering to transmission wheel T, feed roller R1 and R2 is synchronous with transmission wheel T linear velocities, and when cardboard is transmitted necessarily on feed roller R1
After distance, grid lift plate L1 is begun to ramp up, and allows follow-up cardboard hindfoot portion to depart from the contact with feed roller R1；In 5. part, lattice
Grid lift plate L2 as cardboard transmission slowly rises, and allow follow-up cardboard front section to depart from the contact with feed roller R1.
Human machine interface, master controller, motion controller are together accessed in local communication bus, master controller conduct
Main website controlling bus communication and the operation of motion controller are communicated, motion controller is by running controlling bus and each drive module
Connection composition driving network.Man-machine interface sends adjusting parameter as host computer and monitoring device is run, and in man-machine interface
Edit the date selection buttons and testing button of the cam parameter of unit.
When carrying out paper feeding, when according to actual paper feeding stroke and target call not being inconsistent, then need to be adjusted according to actual deviation
Whole real axis △ Y and virtual main shaft △ X relation are drawn after formation curve by controller internal arithmetic come the cam curve that changes
Acceleration and deceleration, then perform action request using drive module controlled motor according to movement instruction.By adjusting curve
So that grid lift plate and feed roller reach perfect condition, so as to ensure the precision of paper feeding.Paper feeding row is determined according to cardboard length
A kind of journey a, cardboard for size range of paper feeding stroke correspondence, a corresponding cam number of the paper feeding stroke determined passes through
Interpersonal interface modification cam number is simultaneously sent to motion controller by master controller, and the change of cam number means to have changed paper feeding
The electronic cam curve of wheel, i.e. stroke Y value and the relation of virtual major axis X.
Compared with prior art, beneficial effect is：The present invention utilizes SERVO CONTROL system in newly-designed front edge paper feed platform
The high accuracy of system and the advantage of high dynamic response realize the characteristics of advanced lift plate control mode is to overcome above-mentioned prior art.Newly
Front edge paper feed platform using the driving of four motors, respectively two ends control：Back segment paper feeding is equivalent to draw rollers paper feeding, leading portion paper feeding
Equivalent to traditional paper feeding；Front and rear grid lift board motor causes the level of grid to reach perfect condition, so as to ensure the essence of paper feeding
Degree.
Brief description of the drawings
Fig. 1 is the schematic diagram of paper advance mechanism real work first of the present invention.
Fig. 2 is the schematic diagram of paper advance mechanism real work second of the present invention.
Fig. 3 is the schematic diagram of paper advance mechanism real work the 3rd of the present invention.
Fig. 4 is the schematic diagram of paper advance mechanism real work the 4th of the present invention.
Fig. 5 is the schematic diagram of paper advance mechanism real work the 5th of the present invention.
Fig. 6 is the relation schematic diagram of real axis grid lift plate of the present invention and virtual main shaft.
Fig. 7 is the relation schematic diagram of real axis feed roller of the present invention and virtual main shaft.
Fig. 8 is the relation schematic diagram of grid lift plate height of the present invention and mechanical cam angle.
Fig. 9 is paper advance mechanism electrical control program flow diagram of the present invention.
Figure 10 is the electric embodiment schematic diagram of paper advance mechanism of the present invention.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.Being given for example only property of position relationship described in accompanying drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As Figure 1-5, in Fig. 1 parts, feed roller R1 and R2, grid lift plate L1 and L2 are in inactive state, vacuum
Absorption is opened；In Fig. 2 parts, start paper feeding function, grid lift plate L1 and L2 decline simultaneously, when grid lift plate drops to some position
When putting, feed roller R1 starts；In Fig. 3 parts, when cardboard is sent to feed roller R2, feed roller R1 and R2 linear velocity are synchronous；
Fig. 4 parts, when cardboard is sent to transmission wheel T, feed roller R1 and R2 is synchronous with transmission wheel T linear velocities, and when cardboard is giving
Transmitted on paper wheel R1 after certain distance, grid lift plate L1 is begun to ramp up, and allows follow-up cardboard hindfoot portion to depart from feed roller R1's
Contact；In Fig. 5 parts, grid lifts plate L2 as cardboard transmission slowly rises, and allows follow-up cardboard front section to depart from and feed roller
R1 contact.
As in Fig. 6-8, when carrying out paper feeding, when not being inconsistent according to actual paper feeding stroke and target call, then need according to reality
Border deviation passes through to adjust real axis △ Y and virtual main shaft △ X relation after changing Fig. 6, Fig. 7 cam curve, formation curve
Controller internal arithmetic draws acceleration and deceleration, then performs action according to movement instruction using drive module controlled motor
It is required that.By adjusting curve so that grid lifts plate and feed roller reaches perfect condition, so as to ensure the precision of paper feeding.According to cardboard
Length determines paper feeding stroke, a kind of cardboard for size range of paper feeding stroke correspondence, the paper feeding stroke pair that determines
A cam number is answered, motion controller is sent to by interpersonal interface modification cam number and by master controller, cam number changes
Change means to have changed the relation of the electronic cam curve of feed roller, i.e. stroke Y value and virtual major axis X.
In such as Fig. 9,10, a kind of control method of carton press paper advance mechanism, wherein, comprise the following steps：
S1. selection cam number and paper feeding stroke is set to be communicated with master controller in man-machine interface, then will by master controller
Cam number is sent to motion controller, and the kinematic feature factor that thus internal arithmetic is drawn is corresponding to control drive module to perform
Function, motion controller is by local communication bus and host computer man-machine interface and master controller connecting communication and uploads driving
The status data of module and motor is to host computer man-machine interface；
The each independent drive of first paper feeding turbin generator, the second paper feeding turbin generator, the first lift board motor and the second lift board motor
Dynamic control.
In step S2, specific cam curve calculation expression is：
Feed roller R1: (1)
Feed roller R2: (2)
Lift plate L1:(3）
Lift plate L2:（4）
Lift plate upper-lower height：（5）；
（
）；
Virtual main shaftMovement angle scope be 0 to 360 degree, grid lift plate operation angle scope be also 0-360 degree,
Therefore from above formula（1）Extremely（5）Understand, the angle of grid lift plate is with virtual main shaftAngle change and change, and lift plate
Upper-lower height then changes up and down with the change of lift plate angle degree, it can thus be concluded that going out：
（6）
If production of machinery speed is, then lift plate change turn to:
（7）
According to the relation of above formula (1)-(7), just the cam curve of each axle can be designed.
Fig. 2 parts in Fig. 1-5, start paper feeding function, grid lift plate L1 and L2 decline simultaneously, according to formulaUnderstand that feed roller R1 starts, i.e. feed roller R1 starts the angle started when grid lift plate drops to some position
Degree；In Fig. 3 parts, when cardboard is sent to feed roller R2, the necessary linear velocity of feed roller R1 and R2 is synchronous, according to pressing board with sending
Paper wheel R2 distanceFeed roller R1 and R2 can be extrapolated and reach the synchronous angle of linear velocity, then feed roller R2 starts angle
Angle and R1, R2 can be started in feed roller R1 and reach selection between the synchronous angle of linear velocity；In Fig. 4 parts, when cardboard is sent
During to transmission wheel T, feed roller R1 and R2 also must be synchronous with transmission wheel T linear velocities；According to feed roller R2 and transmission wheel T distanceFeed roller R1, R2 and the transmission wheel T angles that to reach linear velocity synchronous can be extrapolated；Simultaneously when cardboard is uploaded in feed roller R1
Paper pushing board final stageAfter distance, grid lift plate L1 rises in place, allows follow-up cardboard hindfoot portion to depart from feed roller R1's
Contact, by formulaThe angle that lift plate L1 is begun to ramp up can be extrapolated；In Fig. 5 parts, grid lift plate
L2 slowly rises with cardboard transmission, allows follow-up cardboard front section to depart from the contact with feed roller R1, by formulaLift plate L2 can be extrapolated and rise angle in place, at the same can extrapolate feed roller R1 byArea is past
Area conversion angle, similarly can also extrapolate feed roller R2 byArea is pastThe angle of area's conversion.Pass through adjustment、、Value adjust whole cam curve.And the advance CPU in motion controller module
The movement logic control program of middle editor's paper feed unit and cam curve control table, so that a pair of cam number and stroke 1
Should.With reference to the cam curve control parameter generated, so as in swing circle（）Accurately control 4 axles described above
Position and rotating speed.
Step S3. in machine paper feeding when producing, and cardboard is in feed roller R1, feed roller R2, lift plate L1 and lift plate L2 phases
Sent out under mutually coordinating；Suitable paper feeding stroke is selected by man-machine interface, and sent cam number by master controller
To motion controller, at the same selected cam number is judged according to the cardboard length detected its cardboard length with it is convex
The matching degree of number corresponding theoretical stroke is taken turns, if matching does not pass through, needs to reselect；Motion controller is according to selected
Paper feeding stroke, motor-driven control parameter is drawn by internal arithmetic；If actual measurement draw paper feeding stroke with it is actual whether
There is deviation, then need again to be designed cam curve modification.
By the above-mentioned control to new paper advance mechanism, finally cardboard is caused to avoid damage during transmission, and
And paper feeding precision is improved, so as to improve the qualification rate of product, reach raising production efficiency and reduce the purpose of cost.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Any modifications, equivalent substitutions and improvements made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (2)
1. a kind of control method of carton press paper advance mechanism, it is characterised in that comprise the following steps：
S1., selection cam number and the communication of paper feeding stroke and master controller be set in man-machine interface, then by master controller by cam
Number it is sent to motion controller, and the kinematic feature factor that thus internal arithmetic is drawn controls drive module to perform corresponding work(
Can, motion controller is by local communication bus and host computer man-machine interface and master controller connecting communication and uploads drive module
With the status data of motor to host computer man-machine interface；
S2. according to cam curve calculation expression；
S3. when being produced in machine paper feeding, cardboard is in the case where feed roller R1, feed roller R2, lift plate L1 and lift plate L2 cooperate
Send out；Suitable paper feeding stroke is selected by man-machine interface, and cam number is sent to by motion control by master controller
Device processed, while judging selected cam number that its cardboard length is corresponding with cam number according to the cardboard length detected
Theoretical stroke matching degree, if matching do not pass through, need to reselect；Motion controller is according to selected paper feeding row
Journey, motor-driven control parameter is drawn by internal arithmetic；If actual measurement draws paper feeding stroke with actual with the presence or absence of inclined
Difference, then need again to be designed cam curve modification.
2. a kind of control method of carton press paper advance mechanism according to claim 1, it is characterised in that：Described step
In rapid S2, specific cam curve calculation expression is：
Feed roller R1: (1)
Feed roller R2: (2)
Lift plate L1:(3）
Lift plate L2:（4）
Lift plate upper-lower height：（5）；
（
）；
Virtual main shaftMovement angle scope be 0 to 360 degree, grid lift plate operation angle scope be also 0-360 degree, therefore
From above formula（1）Extremely（5）Understand, the angle of grid lift plate is with virtual main shaftAngle change and change, and lift above and below plate
Height then changes up and down with the change of lift plate angle degree, it can thus be concluded that going out：
（6）
If production of machinery speed is, then lift plate change turn to:
（7）
According to the relation of above formula (1)-(7), just the cam curve of each axle can be designed.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529270B (en) * | 2018-03-23 | 2019-09-03 | 广东东方精工科技股份有限公司 | A kind of paper feeding method of self-adapting start point |
| CN108861691B (en) * | 2018-03-23 | 2020-06-30 | 佛山赢联数码印刷设备有限公司 | Control method of paper feeding mechanism of digital printing machine |
| CN110509668A (en) * | 2018-05-22 | 2019-11-29 | 昆山市鼎佳电子材料有限公司 | A kind of carton press prevents the undesirable detection method of inking |
| CN111016422B (en) * | 2019-12-13 | 2021-07-30 | 株洲三新包装技术有限公司 | Sucker type paper feeding system and method for corrugated board printing machine |
| CN114506731B (en) * | 2022-01-20 | 2024-02-06 | 西门子（中国）有限公司 | Cardboard supply control method and device, cardboard supply system and medium |
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| CN204588179U (en) * | 2015-04-17 | 2015-08-26 | 冀秋香 | The front edge paper feeder of die cutting machine for printing |
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| JP2015024911A (en) * | 2013-07-29 | 2015-02-05 | 理想科学工業株式会社 | Corrugated cardboard sheet feeder |
| JP6456631B2 (en) * | 2014-09-03 | 2019-01-23 | 理想科学工業株式会社 | Sheet material conveying apparatus and inkjet printing apparatus |
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| CN2573221Y (en) * | 2002-10-18 | 2003-09-17 | 刘为成 | Automatic sheet feeding system for corrugated board printing press |
| CN201080034Y (en) * | 2007-07-06 | 2008-07-02 | 李鑫 | Anterior border paper feeding mechanism for servo corrugated cardboard printing machine |
| CN102372171A (en) * | 2010-08-11 | 2012-03-14 | 上海高威科电气技术有限公司 | Servo leading-edge paper-feeding mechanism for corrugated paper |
| CN204588179U (en) * | 2015-04-17 | 2015-08-26 | 冀秋香 | The front edge paper feeder of die cutting machine for printing |
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