CN110216996A - More mark tracking auto-alignment systems and more mark tracking register control methods - Google Patents
More mark tracking auto-alignment systems and more mark tracking register control methods Download PDFInfo
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- CN110216996A CN110216996A CN201910674104.3A CN201910674104A CN110216996A CN 110216996 A CN110216996 A CN 110216996A CN 201910674104 A CN201910674104 A CN 201910674104A CN 110216996 A CN110216996 A CN 110216996A
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- 238000007639 printing Methods 0.000 claims abstract description 101
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 238000005215 recombination Methods 0.000 claims abstract description 4
- 230000006798 recombination Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000001680 brushing effect Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0036—Devices for scanning or checking the printed matter for quality control
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Abstract
The invention discloses one kind to mark tracking auto-alignment system and more mark tracking register control methods more, more mark tracking auto-alignment systems include more than two printing cylinders, it removes outside the first printing cylinder, remaining each printing cylinder is provided with the colour code tracking register unit with control dataphone, the colour code Printing Department of first printing cylinder end is circumferentially spaced to be provided with N number of colour code pull, first printing cylinder per revolution, colour code Printing Department print one group of colour code comprising N number of colour code on the substrate；Of the invention more marks tracking register control method includes input colour code normal pitch value, reads in signal, calculates judgement, register control, discarding recombination signal, control computer goes out the position of this group of colour code according to the distance between colour code Automatic feature recognition, register unit, which is tracked, by control colour code fully achieves register control, team colour design rate is high, without manual intervention, use is efficient and convenient.
Description
Technical field
The present invention relates to printing equipment technology, and in particular to the more mark tracking auto-alignment systems of one kind of printing equipment
And more mark tracking register control methods.
Background technique
In printing equipment, polychrome (more than dichromatism) flexible printing machine using increasingly extensive.The core of flexible printing machine is
Printing element, each colour cell of printing element include net roll, roller and bottom roller.Flexible printing machine is in installation and replacement roller
When, in order to enable chromatography is accurate, register control range is reduced, working efficiency is improved, the roller of each colour cell is needed to be in
Fixed position, the pattern of the roller print of each colour cell on the substrate is close on this position is completely coincident, this process
Referred to as pre- register.After pre- register, in printing process, print the roller of each colour cell on the substrate by control system
The process that pattern is completely coincident is known as register control.
Wherein, colour code tracking register control is the register mode that flexible printing machine is widely used.Referring to Fig. 1 to Fig. 5, tradition
Single electric eye (i.e. color mark sensor) it is as follows with mark registration printing principle: as depicted in figs. 1 and 2, when printing more set colored pattern, print
The end for brushing the printing cylinder (being defined as the first printing cylinder 7) of first color A is provided with to be printed for the colour code of Print color code
Brush portion (not specific signal in figure), 7 per revolution of the first printing cylinder, colour code Printing Department only prints a colour code P, i.e., one
Only print a colour code P in the long distance of version, behind second printing cylinder printing color B and third printing cylinder print
The tracking colour code P such as color C and first color A set be imprinted on one piece.As shown in Figures 2 and 3, it removes outside the first printing cylinder 7,
Remaining each printing cylinder is provided with colour code tracking register unit, and colour code tracks register unit, and by electric eye 2, (i.e. colour code is sensed
Device), cylinder position sensor 3, Rolling motor 4, several parts compositions such as driver 5, driver 5 and control 6 communication connection of computer,
After electric eye 2 detects colour code, driver 5 can be triggered and record current cylinder position L and be transmitted to control computer 6, control
Current roller position L is compared computer 6 with normal drum position L0, if unequal, is informed about the control rolling of driver 5
Cylinder motor 4 rotates, and corrects cylinder position, reaches register purpose.As shown in figure 4, because past on the preceding line direction of Print color code
Toward the other data Q (text or figure or pollution block etc.) that can be mixed with non-colour code, become interference data, so electric eye 2 is examined
The signal measured is more than Color mark signal, and control computer 6 so is just not easy which is detected in the data received to be colour code, thus
Influence accurate registration.Traditional solutions are window (the i.e. positions being likely to occur of colour code that human assistance confirmation colour code occurs
Set range), as shown in figure 5, for example, arrival when roller goes to L=30 ° of artificial judgment Color mark signal, manually by this
Position L ± 10 ° input control computer, control computer will be appreciated that this window ranges is 20 °~40 °, there is signal later in this way
When arrival, control computer judges signal location whether between 20 °~40 °, colour code is if it is considered, if not just
It abandons.
The above tradition colour code tracks register control mode of printing, only prints a colour code, and control computer can not be from interference number
According to middle automatic identification colour code position, team colour design rate is low；It requires manual intervention, the window ranges of colour code appearance is provided, operate ratio
It is cumbersome, it is inconvenient for use.
Summary of the invention
In view of this, the first technical problem to be solved by the present invention is: providing a kind of without manual intervention, colour code knowledge
The not high more marks of rate track auto-alignment system.
Based on a total inventive concept, second technical problem to be solved by this invention is: provide one kind more mark with
Track register control method, team colour design rate is high, fully automated register, is not necessarily to manual intervention.
In order to solve the first technical problem mentioned above, the technical scheme is that more mark tracking auto-alignment systems, described
More marks track auto-alignment systems
More than two printing cylinders, the printing cylinder for printing first color is the first printing cylinder；
It removes outside first printing cylinder, remaining each described printing cylinder is provided with colour code tracking register list
Member, each colour code tracking register unit include driver, respectively with the color mark sensor of the driver communication connection, rolling
Cylinder position sensor and Rolling motor, the driver are connect with control dataphone；
The end of first printing cylinder is provided with colour code Printing Department；It is described along the circumferential direction of first printing cylinder
Colour code Printing Department is arranged at intervals with N number of colour code pull；The first printing cylinder per revolution, the colour code Printing Department is holding
One group of colour code is printed on print object, one group of colour code includes the N number of colour code being arranged along the longitudinal gap of the stock, N > 1.
Preferred embodiment is N=2；Alternatively, N >=3.
Further preferred embodiment is, the distance values of adjacent colour code pull are as normal pitch value, when N >=3, adjacent colour code print
The distance values of sample are unequal.
Still more preferably mode is, when N=3, first colour code pull and second colour code pull are in a circumferential direction
Normal pitch value be 10 ° ± 2 °, second colour code pull and the normal pitch value of third colour code pull in a circumferential direction
It is 15 ° ± 2 °.
To solve above-mentioned second technical problem, the technical scheme is that more mark tracking register control methods, including
Following steps:
S10 inputs colour code normal pitch value: the circumferentially spaced setting of colour code Printing Department in the first printing cylinder end is N number of
Colour code pull；Using the distance values of colour code pull adjacent in N number of colour code pull as normal pitch value input control computer, N > 1；
S20 reads in signal: stock moves ahead, and the first printing cylinder rotation printing, color mark sensor touches after detecting signal
Driver is sent out, which is transmitted to control computer by driver, and control computer judges whether to have received N number of signal, if having received N number of
Signal thens follow the steps S30；If insufficient N number of signal, continue to read in signal, has received N number of signal until meeting, then execute
Step S30；
S30 calculates judgement: after receiving N number of signal, control computer calculates the distance values between adjacent signals, if calculating gained
Adjacent signals between distance values it is equal with normal pitch value corresponding in S10 step, it is determined that N number of signal of receiving is
One group of colour code being looked for, and execute step S40；
S40 register control: cylinder position sensor detects the current roller position L of printing cylinder, and triggers driver, drives
Dynamic device uploads control computer, and current roller position L is compared control computer with normal drum position L0, if L ≠ L0, control
Computer sends instructions to driver, and the rotation of driver control Rolling motor tracks the first colour code, corrects printing cylinder position, directly
To reaching registration requirements.
Preferred embodiment be further include that S35 abandons recombination signal step: the S30 is calculated in judgment step, if calculating gained
Adjacent signals between distance values and normal pitch value corresponding in S10 step it is unequal, then abandon first signal, after
It resumes studies into a new signal, reformulates one group of signal comprising N number of signal with the residual signal after first signal of discarding,
Repeat step S30.
Preferred embodiment is N=2；Alternatively, N >=3.
Further preferred embodiment is, when N >=3, the normal pitch value of adjacent colour code pull is unequal.
Still more preferably mode is, when N=3, first colour code pull and second colour code pull are in a circumferential direction
Normal pitch value be 10 ° ± 2 °, second colour code pull and the normal pitch value of third colour code pull in a circumferential direction
It is 15 ° ± 2 °.
After above-mentioned technical proposal, beneficial effects of the present invention are as follows:
Since more marks of the invention track auto-alignment system, the first printing cylinder end colour code Printing Department along first
Printing cylinder has been provided at circumferentially spaced N number of colour code pull；First printing cylinder per revolution, colour code Printing Department is i.e. in printing
One group of colour code is printed on object, which includes the N number of colour code being arranged along the longitudinal gap of stock；Using of the invention more
When mark tracking register control method register, control computer reads N number of signal of color mark sensor detection, calculates and judges adjacent letter
Whether the distance values and preset normal pitch value between number equal, if equal, the N number of signal received to be looked for one
Group colour code, and colour code tracking register unit is sent instructions to, the first colour code is tracked, realizes register control；If calculating resulting phase
Distance values and preset normal pitch value between adjacent signal are unequal, then abandon first signal, continue to read in one
Residual signal after new signal, with first signal of discarding reformulates one group of signal comprising N number of signal, repeats calculating
Judgement, register step；More marks tracking auto-alignment system of the invention and its more mark tracking register control methods are more by printing
In one one group of colour code, after control computer goes out the position of this group of colour code according to the distance between colour code Automatic feature recognition,
It controlling colour code and tracks the first colour code of register element keeps track, fully achieve register control, team colour design rate is high, it is not necessarily to manual intervention,
It uses efficient and convenient.
Detailed description of the invention
Fig. 1 is traditional colour code tracking register control mode schematic front view；
Fig. 2 is Fig. 1 schematic top plan view；
Fig. 3 is traditional colour code tracking register control principle schematic diagram；
Fig. 4 is that line direction colouring mark is mixed with interference schematic diagram data before Fig. 2；
Fig. 5 is that traditional colour code tracking register human assistance confirmation colour code the schematic diagram of window occurs；
Fig. 6 is more marks tracking auto-alignment system of the embodiment of the present invention in the one group of colour code signal of long interior printing of a version
Figure；
Fig. 7 is colour code spacing schematic diagram in Fig. 6；
Fig. 8 is more marks tracking register control method flow diagram of the embodiment of the present invention；
In figure: 1- stock；2- electric eye；3- cylinder position sensor；4- Rolling motor；5- driver；6- controls computer；
The first printing cylinder of 7-；First color of A-；Second color of B-；C- third color；P- colour code；First colour code of P1- (the
One signal)；Second colour code (second signal) of P2-；P3- third colour code (third signal)；The other data of Q-.
Specific embodiment
Further details of non-limitative illustration is made to the present invention with reference to the accompanying drawings and examples.
More marks of the embodiment of the present invention track auto-alignment system, as shown in Figure 6 and Figure 7, wherein with tradition with marking register
Identical part is referring to figs. 1 to Fig. 3, comprising: more than two printing cylinders illustrate the feelings of three printing cylinders in figure
Shape, it is clear that the quantity of printing cylinder is not limited to three, can be increased and decreased according to the number of colors of practical printed patterns, print
The printing cylinder for brushing first color A is known as the first printing cylinder 7；And so on, the printing cylinder for printing second color B is
Second printing cylinder, the printing cylinder of printing third color C are third printing cylinder.It removes outside the first printing cylinder 7, remaining
Each printing cylinder be provided with colour code tracking register unit, each colour code tracking register unit include driver 5, respectively with
Color mark sensor (i.e. electric eye 2), cylinder position sensor 3 and the Rolling motor 4 of 5 communication connection of driver, driver 5 and control
6 communication connection of computer.The end of first printing cylinder 7 is provided with colour code Printing Department (not specific signal in figure), along the first print
The circumferential direction of brush roller 7, colour code Printing Department are arranged at intervals with N number of colour code pull, 7 per revolution of the first printing cylinder, colour code print
Brush portion prints one group of colour code on stock 1, which includes the N number of colour code being arranged along the longitudinal gap of stock 1, i.e.,
The N number of colour code of printing, N > 1, it may be assumed that the natural number that N is greater than in the long distance of one version.
Wherein, the preferred value of N is N=3, and 7 per revolution of the first printing cylinder, colour code Printing Department is on stock 1
Three colour codes are printed, first colour code P1, second colour code P2, third colour code P3 are respectively as follows:.The spacing of adjacent colour code pull
Value is used as normal pitch value, advanced optimizes and is designed as, and the normal pitch value of the adjacent colour code pull of colour code Printing Department is unequal,
The distance values for being printed on adjacent colour code in three colour codes on stock 1 are unequal, can be convenient identification colour code, improve colour code
Discrimination, as shown in fig. 7, the normal pitch value of first colour code P1 and second colour code P2 in a circumferential direction is 10 ° ± 2 °,
Preferred value is 10 °, and second colour code P2 and the normal pitch value of third colour code P3 in a circumferential direction are 15 ° ± 2 °, preferably
Value is 15 °.
Obviously, the quantity of above-mentioned one group of colour code is not limited to N=3, can also be N=2；Alternatively, N > 3.
As shown in figure 8, more marks of the embodiment of the present invention track register control method, comprising the following steps:
S10 inputs colour code normal pitch value: setting since the colour code Printing Department in 7 end of the first printing cylinder is circumferentially spaced
Set N number of colour code pull, N > 1；By taking N=3 as an example, using the distance values of colour code pull adjacent in three colour code pulls as standard room
Away from value input control computer 6；For example, the normal pitch value of first colour code pull and second colour code pull in a circumferential direction
It is set as 10 ° ± 2 °, preferred value is 10 °；Second colour code pull and the standard room of third colour code pull in a circumferential direction
It is set as 15 ° ± 2 ° away from value, preferred value is 15 °.
S20 reads in signal: stock 1 moves ahead, the rotation printing of the first printing cylinder 7, color mark sensor (i.e. electric eye 2) detection
Driver 5 is triggered afterwards to signal (perfect condition is Color mark signal, it is also possible to be mixed with interference signal), and driver 5 passes the signal
Control computer 6 is given, control computer 6 judges whether to have received three signals, if having received three signals, executes following steps
S30；If less than three signals, continue to read in signal, has received three signals until meeting, then execute step S30.
S30 calculates judgement: after control computer 6 receives three signals, the position of three signals is denoted as P1, P2, P3 respectively, control
Computer 6 processed calculates the distance values between adjacent signals, i.e. distance values P21=P2- between the first signal P1 and second signal P2
Distance values P32=P3-P2 between P1, second signal P2 and third signal P3；If between calculating between resulting adjacent signals
Away from value in S10 step corresponding to normal pitch value it is equal, i.e. &P32=15 ° of P21=10 ° can then determine and be received
Three signals are one group of colour code being looked for, and execute following steps S40.
S40 register control: cylinder position sensor 3 detects the current roller position L of printing cylinder, and triggers driver 5,
Driver 5 uploads control computer 6, and current roller position L is compared control computer 6 with normal drum position L0, if L ≠
L0, control computer 6 send instructions to driver 5, and driver 5 controls Rolling motor 4 and rotates, and correct printing cylinder position, tracking
First colour code realizes register control until reaching registration requirements；If L=L0, show to be in register state.
Wherein, more mark tracking register control methods further include: S35 abandons recombination signal step, calculates and judges in S30
In step, if calculating the unequal (table of normal pitch value corresponding in the distance values and S10 step between resulting adjacent signals
It is bright to be mixed with interference signal), then the first signal P1 is abandoned, continues to read in a new signal, with remaining after the first signal P1 of discarding
Remaining signal P2, P3 reformulate one group of signal, in one group of new signal, enable P2 become P1, P3 becomes P2, the letter newly read in
Number it is P3, repeats above-mentioned steps S30, until three signals being received are one group of colour codes being looked for, then execute step S40,
Realize register control.
It is that more marks tracking register control method of the embodiment of the present invention is described in detail by taking N=3 as an example above.
Obviously, the quantity of above-mentioned one group of colour code is not limited to N=3, can also be N=2；Alternatively, N > 3, colour code tracks register control
It is identical when principle is with N=3.When N=2, compared to N=3, judge relatively easy though calculating, team colour design rate is not as good as N=3；N
When > 3, compared to N=3, though calculating, judgement is slightly complicated, and team colour design rate is better than N=3.
More marks tracking auto-alignment system of the invention and more mark tracking register control methods, the every rotation of the first printing cylinder
One circle, prints one group of more than one colour code on the substrate, and control computer can be known automatically according to the distance between colour code feature
Not Chu this group of colour code position, by control colour code track the first colour code of register element keeps track, fully achieve register control, color
It is high to mark discrimination, is not necessarily to manual intervention, use is efficient and convenient, is suitable for single electric eye with marking mode.
Claims (9)
1. the tracking auto-alignment system of mark more than, more mark tracking auto-alignment systems include:
More than two printing cylinders, the printing cylinder for printing first color is the first printing cylinder；
It removes outside first printing cylinder, remaining each described printing cylinder is provided with colour code tracking register unit, often
One colour code tracking register unit include driver, respectively with the color mark sensor of the driver communication connection, roller position
Sensor and Rolling motor are set, the driver is connect with control dataphone；
The end of first printing cylinder is provided with colour code Printing Department；It is characterized in that, along the week of first printing cylinder
To the colour code Printing Department is arranged at intervals with N number of colour code pull；The first printing cylinder per revolution, the colour code print
Brush portion prints one group of colour code on the substrate, and one group of colour code includes the N number of color being arranged along the longitudinal gap of the stock
Mark, N > 1.
2. more mark tracking auto-alignment systems as described in claim 1, which is characterized in that N=2；Alternatively, N >=3.
3. more mark tracking auto-alignment systems as claimed in claim 2, which is characterized in that the distance values of adjacent colour code pull are made
For normal pitch value, when N >=3, the normal pitch value of adjacent colour code pull is unequal.
4. more mark tracking auto-alignment systems as claimed in claim 3, which is characterized in that when N=3, first colour code pull
It is 10 ° ± 2 ° with the normal pitch value of second colour code pull in a circumferential direction, second colour code pull and third colour code
The normal pitch value of pull in a circumferential direction is 15 ° ± 2 °.
The tracking register control method of mark more than 5., which comprises the following steps:
S10 inputs colour code normal pitch value: the circumferentially spaced N number of colour code of setting of colour code Printing Department in the first printing cylinder end
Pull；By the normal pitch value input control computer of colour code pull adjacent in N number of colour code pull, N > 1；
S20 reads in signal: stock moves ahead, and the rotation printing of the first printing cylinder, triggering is driven after color mark sensor detects signal
The signal is transmitted to control computer by dynamic device, driver, and control computer judges whether to have received N number of signal, if having received N number of letter
Number, then follow the steps S30；If insufficient N number of signal, continue to read in signal, has received N number of signal until meeting, then execute step
Rapid S30；
S30 calculates judgement: after receiving N number of signal, control computer calculates the distance values between adjacent signals, if calculating resulting phase
Distance values between adjacent signal are equal with normal pitch value corresponding in S10 step, it is determined that N number of signal of receiving will be looked for
One group of colour code, and execute step S40；
S40 register control: cylinder position sensor detects the current roller position L of printing cylinder, and triggers driver, driver
Control computer is uploaded, current roller position L is compared control computer with normal drum position L0, if L ≠ L0, controls computer
Driver is sent instructions to, the rotation of driver control Rolling motor tracks the first colour code, corrects printing cylinder position, until reaching
To registration requirements.
6. more mark tracking register control methods as claimed in claim 5, which is characterized in that further comprising the steps of:
S35 abandons recombination signal: the S30 is calculated in judgment step, if calculate distance values between resulting adjacent signals with
Corresponding normal pitch value is unequal in S10 step, then abandons first signal, continues to read in a new signal, and loses
Residual signal after abandoning first signal reformulates one group of signal comprising N number of signal, repeats step S30.
7. such as more mark tracking register control methods described in claim 5 or 6, which is characterized in that N=2；Alternatively, N >=3.
8. more mark tracking register control methods as claimed in claim 7, which is characterized in that when N >=3, adjacent colour code pull
Normal pitch value is unequal.
9. more mark tracking register control methods as claimed in claim 8, which is characterized in that when N=3, first colour code pull
It is 10 ° ± 2 ° with the normal pitch value of second colour code pull in a circumferential direction, second colour code pull and third colour code
The normal pitch value of pull in a circumferential direction is 15 ° ± 2 °.
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| CN110614840A (en) * | 2019-10-19 | 2019-12-27 | 苏州印象镭射科技有限公司 | Microstructure copying line intaglio printing press and copying line intaglio printing method thereof |
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| CN113665241A (en) * | 2021-08-24 | 2021-11-19 | 凌云光技术股份有限公司 | Automatic registration method and device |
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