CN104044341A - Printing system and pre-installing method for printing system - Google Patents
Printing system and pre-installing method for printing system Download PDFInfo
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- CN104044341A CN104044341A CN201410080946.3A CN201410080946A CN104044341A CN 104044341 A CN104044341 A CN 104044341A CN 201410080946 A CN201410080946 A CN 201410080946A CN 104044341 A CN104044341 A CN 104044341A
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Abstract
The invention provides a printing system and a pre-installing method for the printing system which are capable of rapidly setting specific time intervals marked by register marks by marking a sensor in a sectional driving type of a printing unit. The printing system is provided with encoders (21A-21D) respectively arranged on multiple printing units (11A-11D) and a register control device (30). The register control device (30) is used for storing reference output value outputted by the encoders (21A-21D) when a trimming marking and printing part (14) of the printing cylinders (13A-13D) is disposed at the pre-set circumferential position and for computing predicated phase positions of the printing cylinders when positioning marks are used for detecting positions via marking sensors (23B-23D). Time intervals for detecting the positioning marks are set via the marking sensors (23B-23D) in accordance with output of encoders (21B-21D) of printing units (11B-11D).
Description
The application advocates the priority of No. 2013-052149th, Japanese patent application based on March 14th, 2013 application.All the elements of this Japanese patent application are by reference to being applied in this description.
Technical field
The present invention relates to a kind of for the cylinder material such as paper, film being carried out to the print system of colored printing and the presetting method of print system.
Background technology
While cylinder material being carried out to colored printing by colored printing system, by the plate cylinder of multiple printing elements overlapping each color and print and become 1 pattern one by one.Now, between each color, can produce the skew in the printing position that is called alignment skew, therefore use the alignment control device of controlling this alignment skew.
Alignment control device is detected and is printed onto the telltale mark on cylinder material with each plate cylinder by mark sensor, and calculates alignment side-play amount according to testing result, and controls CD-ROM drive motor and the compensating roller of plate cylinder, to revise described alignment skew.
Conventionally, detect two printed telltale marks of the plate cylinder of adjacent printing element and calculate alignment side-play amount (referring to Patent Document 1) according to the position relationship of these marks.Therefore, in mark sensor, needing to distinguish described two marks and other patterns detects.As its countermeasure, the default specific markers of alignment control device was estimated by the period of the detection position of sensor.Alignment control device to sensor out gate signal, and only obtains the signal from sensor input in this period between the period of output of gate signal, thus, can detect the specific mark of distinguishing with other patterns.
Patent documentation 1: No. 08-052865, Japanese kokai publication hei
As the type of drive of print system, known useful each motor drives the drive part by part mode of each plate cylinder.In drive part by part mode, in each printing element, set respectively to the period of mark sensor out gate signal by operator, preset and need the long period.
Summary of the invention
The present invention completes in light of this situation, and its object is to provide a kind of mark sensor of can setting rapidly in the printing element of drive part by part formula to detect the print system of specific specifically labelled period and the presetting method of print system.
A mode of the present invention relates to a kind of print system.Print system possesses: phase-detection mechanism, is arranged at respectively each of multiple printing elements of drive part by part formula, and detects the phase place of plate cylinder; Storage part, while being positioned at predefined circumferential position in the reference position of the plate cylinder of each printing element, storage is from the benchmark output valve of the phase-detection mechanism output of each printing element; Predicted phase calculating part, the predicted phase of the plate cylinder while at least calculating detection position by mark sensor of the telltale mark that prints by plate cylinder according to benchmark output valve; And configuration part, make be associated and set by the period of mark sensor detection and location mark according to the predicted phase of plate cylinder by the output of the period of described mark sensor detection and location mark and the phase-detection mechanism of each printing element.
A mode of the present invention relates to a kind of presetting method of print system.In the presetting method of print system, in the time that each the reference position of plate cylinder of multiple printing elements of drive part by part formula is positioned at predefined circumferential position, the benchmark output valve that storage is exported from being arranged at the phase-detection mechanism of each printing element, the predicted phase of the plate cylinder while at least calculating detection position by mark sensor of the telltale mark that prints by plate cylinder according to benchmark output valve, make be associated and set by the period of mark sensor detection and location mark according to the predicted phase of plate cylinder by the output of the period of described mark sensor detection and location mark and the phase-detection mechanism of each printing element.
According to a mode of the present invention, detect the specific specifically labelled period even if also can promptly set mark sensor in the print system of drive part by part formula.
Brief description of the drawings
Fig. 1 is the figure that represents the structure of the related print system of present embodiment.
Fig. 2 (a) is the figure of the each specifically labelled position relationship while indicating to be offset without alignment, and Fig. 2 (b) is the figure of the position relationship while representing to have alignment skew.
Fig. 3 is the figure that represents the structure of the related printing element of present embodiment.
Fig. 4 is the block diagram that represents the structure of the related alignment control device of present embodiment.
Fig. 5 is the figure that represents the flow process of the related presetting method of present embodiment.
In figure: 10-print system, 11A～11D-printing element, 13A～13D-plate cylinder, 19A～19D-CD-ROM drive motor, 21A～21D-encoder, 23B～23D-mark sensor.
Detailed description of the invention
Fig. 1 represents the structure of the related print system of embodiments of the present invention 10.Print system 10 possesses the 1st printing element 11A, the 2nd printing element 11B, the 3rd printing element 11C, the 4th printing element 11D and alignment control device 30.Below, the 1st printing element 11A～4th printing element 11D is suitably generically and collectively referred to as to printing element 11.
The 1st printing element 11A possesses the 1st plate cylinder 13A, the 1st impression cylinder 17A, the 1st CD-ROM drive motor 19A and the 1st encoder 21A.The 2nd printing element 11B possesses the 2nd plate cylinder 13B, the 2nd impression cylinder 17B, the 2nd CD-ROM drive motor 19B, the 2nd encoder 21B and the 2nd mark sensor 23B.The 3rd printing element 11C possesses the 3rd plate cylinder 13C, the 3rd impression cylinder 17C, the 3rd CD-ROM drive motor 19C, the 3rd encoder 21C and the 3rd mark sensor 23C.The 4th printing element 11D possesses the 4th plate cylinder 13D, the 4th impression cylinder 17D, the 4th CD-ROM drive motor 19D, the 4th encoder 21D and the 4th mark sensor 23D.Below, the 1st plate cylinder 13A～4th plate cylinder 13D is suitably generically and collectively referred to as to plate cylinder 13, the 1st impression cylinder 17A～4th impression cylinder 17D is suitably generically and collectively referred to as to impression cylinder 17.And, the 1st CD-ROM drive motor 19A～4th CD-ROM drive motor 19D is suitably generically and collectively referred to as to CD-ROM drive motor 19, the 1st encoder 21A～4th encoder 21D is suitably generically and collectively referred to as to encoder 21, the 2nd mark sensor 23B～4th mark sensor 23D is suitably generically and collectively referred to as to mark sensor 23.
Each printing element 11 is along the direct of travel setting of cylinder material 50.Cylinder material 50 is subject to the guiding of guide roller 25, and prints the pattern of the color corresponding with plate cylinder 13 by plate cylinder 13 and the impression cylinder 17 of each printing element 11.
Plate cylinder 13 has finishing label print portion 14, telltale mark Printing Department 15.The position relationship of the 1st telltale mark 53A～4th telltale mark 53D when Fig. 2 (a) indicates to be offset without alignment, position relationship when Fig. 2 (b) represents to have alignment skew.Finishing mark 52 is shown in Fig. 2 (a) in the lump.Finishing mark 52 is printed by the finishing label print portion 14 of each plate cylinder 13.The 1st telltale mark 53A is printed by the telltale mark Printing Department 15 of the 1st plate cylinder 13A, and the 2nd telltale mark 53B is printed by the telltale mark Printing Department 15 of the 2nd plate cylinder 13B.The 3rd telltale mark 53C is printed by the telltale mark Printing Department 15 of the 3rd plate cylinder 13C, and the 4th telltale mark 53D is printed by the telltale mark Printing Department 15 of the 4th plate cylinder 13D.Below, the 1st telltale mark 53A～4th telltale mark 53D is suitably generically and collectively referred to as to telltale mark 53.
While skew without alignment, finishing mark 52 and the 1st telltale mark 53A are printed as the interval with L0, and each telltale mark 53 is printed on normal place with the interval of L1.While having there is alignment skew, each telltale mark 53 is printed on from the position of normal place skew.In illustrated example, the position skew of the 2nd telltale mark 53B.
Get back to Fig. 1, the finishing label print portion 14, the telltale mark Printing Department 15 that start the plate cylinder 13 of several n sections from front are formed as having L0+(n-1) interval of × L1.Each plate cylinder 13 is formed as respectively identical girth.
Each plate cylinder 13 is rotated driving by independent CD-ROM drive motor 19.In the printing action of print system 10, each CD-ROM drive motor 19 can be realized synchronous rotary by electrical connection, and each plate cylinder 13 is rotated with identical rotating speed., print system 10 forms in drive part by part mode.Each CD-ROM drive motor 19 is provided with encoder 21 on its mechanical axis.
Encoder 21 is incremental encoder.Once, encoder 21 is exported A phase, the pulse signal of B phase and the pulse signal of a Z phase of predefined number of times to the every rotation of plate cylinder 13.Counter is counted the pulse signal of A phase, B phase, and with the pulse signal zero clearing of Z phase.Detect the phase place of plate cylinder 13 by the count value of pulse signal.
Fig. 3 represents the structure of printing element 11.Mark sensor 23 is arranged at the downstream of the plate cylinder 13 of same printing element 11.Mark sensor 23 has multiple photodetector T1, T2.The 1st photodetector T1 of upstream side and the 2nd photodetector T2 in downstream are with the arranged spaced of L1.Therefore,, if adjacent telltale mark 53A～53D is printed on normal place with the interval of L1, these marks 53A～53D is almost detected by each photodetector T1, T2 at synchronization.
Fig. 4 is the block diagram that represents the structure of alignment control device 30.In this structure, hardware aspect is realized by CPU, memory and other LSI of any computer, and software aspect realizes by the program that is installed on memory.At this, represent the functional block realizing by their cooperation.
Alignment control device 30 possesses control part 31, storage part 41.Control part 31 possesses alignment control part 33, predicted phase calculating part 35, configuration part 37, phase difference calculating portion 39.
In alignment control part 33, input has the detection signal based on mark sensor 23 of each telltale mark 53.Alignment control part 33 has or not alignment to be offset according to this testing result judgement, in the time producing alignment skew, exports correction signal to CD-ROM drive motor 19 or the side mark (not shown) of the printing element 11 that produces alignment skew.CD-ROM drive motor 19 or side mark drive plate cylinder 13 according to correction signal, to revise alignment skew.The alignment skew of the direct of travel of CD-ROM drive motor 19 to cylinder material 50 is adjusted, and the alignment skew of the width of side mark to cylinder material 50 is adjusted.
And alignment control part 33 generates gate signal to detect specific telltale mark 53, and utilizes this gate signal, the waveform that the signal of inputting from mark sensor 23 within the predefined period is served as a mark is identified.In the 2nd mark sensor 23B, using the 1st telltale mark 53A, the 2nd telltale mark 53B as detected object, and set its period.In the 3rd mark sensor 23C, using the 2nd telltale mark 53B, the 3rd telltale mark 53C as detected object, and set its period.In the 4th mark sensor 23D, using the 3rd telltale mark 53C, the 4th telltale mark 53D as detected object, and set its period.
Set this period according to the start address Ao corresponding with the output of encoder 21B～21D, end address Ac.Start address Ao, end address Ac set respectively in each printing element 11.About address, thereby the count value of the pulse signal to encoder 21B～21D generates from zero to maximum Amax sequence.
Alignment control part 33, in the time counting down to the pulse signal of the count value identical with start address Ao, starts to mark sensor 23 out gate signals, in the time counting down to the pulse signal of the count value identical with end address Ac, finishes the output of gate signal.Alignment control part 33, during out gate signal, reads each photodetector T1 of mark sensor 23, the detection signal of T2, detects the mark that passes through the detection position of each photodetector T1, T2.
Fig. 5 represents the flow chart of the related presetting method of present embodiment.First, change the plate cylinder 13 of each printing element 11.After new plate cylinder 13 is installed on to printing element 11, by its rotation so that the finishing label print portion 14 of the plate cylinder 13 of each printing element 11 arrives the position apart from printing points P90 °., the reference position using finishing label print portion 14 as plate cylinder 13 rotates to predefined identical circumferential position reference position, thereby plate cylinder 13 is carried out to contraposition in each printing element 11.Project etc. to come printing element 11 target setting positions by laser designator, and make to repair label print portion 14 and aim at these target locations, thereby carry out this contraposition.The phase place of the plate cylinder 13 while below, the reference position of plate cylinder 13 being positioned to predefined circumferential position is called initial phase.
After plate cylinder 13 contrapositions, operator sends triggering signal to alignment control device 30, and the count value (benchmark output valve) of the pulse signal that this moment is exported from encoder 21 is stored in (S12) storage part 41.Each printing element 11 that operates in till the storage of the count value that is sent to pulse signal of triggering signal carries out respectively.The circumferential position of the reference position of the plate cylinder 13 while thus, being positioned at initial phase is stored by the count value of pulse signal.This count value is stored as presumptive address Ao respectively by each printing element 11.For example, the count value of the pulse signal of the 2nd encoder 21B is that the count value of the pulse signal of 300, the 3 encoder 21C is 500 o'clock, as presumptive address Ao, stores respectively 300,500.
As shown in Figure 3, when the telltale mark Printing Department 15 that is positioned at the plate cylinder 13 of initial phase moves to printing points P, plate cylinder 13 is rotating photo potential difference θ A only.And, when the telltale mark printing at printing points P moves to detection position Q, plate cylinder 13 only rotate with from printing points P to detection position Q till the phase difference θ B of path Ls same circumference amount.Therefore, the predicted phase θ m of the plate cylinder 13 when the detection position Q of telltale mark by mark sensor 23 is represented by following formula (1-1) according to phase difference θ A, θ B in the time that initial phase is made as to θ o.
θm=θo+θA+θB……（1-1）
In addition, initial phase θ o and as the relation that has following formula (1-2) between the presumptive address Ao of the output valve of encoder 21.Phase difference θ A, by being added and obtaining with the phase difference θ a2 till finishing label print portion 14 to telltale mark Printing Department 15 from printing points p to the phase difference θ a1 repairing till label print portion 14, is represented by following formula (1-3).Phase difference θ a2 is represented by following formula (1-4).Phase difference θ B and from printing points P to detection position Q till path Ls between exist following formula (1-5) relation.
Ao=（θo/2π）×Amax……（1-2）
θA=θa1+θa2……（1-3）
θa2=｛L0+（n-1）×L1｝×2π/Ld……（1-4）
θB=Ls×（2π/Ld）……（1-5）
Wherein, the length L 0 between the path Ls till from printing points P to detection position Q, the maximum Amax of address, finishing mark 52 and the 1st telltale mark 53A, the length L 1 between telltale mark 53, perimeter L d and the phase difference θ a1 of plate cylinder 13 are pre-stored within storage part 41.Predicted phase calculating part 35 is according to these calculation of parameter predicted phase θ m(S14).
Start address Ao, end address Ac(S16, according to the predicted phase θ m of the plate cylinder 13 of the result of calculation as predicted phase calculating part 35, are set in configuration part 37).Start address Ao, end address Ac set according to address Am and the predefined gate-width degree Lw of the predicted phase θ m that represents plate cylinder 13, are represented respectively by following formula (3-1), (3-2).Address Am is represented by following formula (3-3).INT(X) for being no more than the maximum integer of X.Configuration part 37 makes the start address Ao, the end address Ac that have set be stored in storage part 41.
Ao=Am+Lw/2……（3-1）
Ac=Am-Lw/2……（3-2）
Am=INT｛（θm/2π）×Amax｝……（3-3）
More than complete the setting of the period of out gate signal.Whether the path Lp till in addition, phase difference calculating portion 39 judges from the printing points P of the 1st printing element 11A to the printing points P of each printing element 11B～11D of back segment is the integral multiple of the perimeter L d of plate cylinder 13.In the time being judged as integral multiple, in the printing of the plate cylinder 13B～13D based on the 1st plate cylinder 13A and back segment, be offset without alignment.During not for integral multiple, only produce the alignment skew of path Lp divided by the remainder Lp ' of perimeter L d.The phase difference θ p(S18 that phase difference calculating portion 39 is calculated between the each printing element 11 representing by following formula (4)).Path Lp is pre-stored within storage part 41.
θp=（Lp/Ld）×2π……（4）
Phase difference calculating portion 39 exports correction signals according to the phase difference θ p having calculated to the CD-ROM drive motor 19 of the printing element 11 that produces alignment skew, and makes only rotating photo potential difference θ p of CD-ROM drive motor 19.
According to above embodiment, in the print system 10 of drive part by part formula, also can set rapidly and automatically by the period of each mark sensor 23 detection and location marks 53.And, set this period according to the output of the encoder 21 of each printing element 11, even if therefore produced phase difference for alignment control on each plate cylinder 13, also without the setting that changes the period.
Above, according to embodiment, the present invention has been described, but embodiment principle of the present invention and application are only represented.And, in embodiment, in the scope of thought of the present invention that does not depart from claim defined, there is the change of various deformation example and configuration.
In above-mentioned embodiment, carry out the mechanism of zero clearing as the count value of the pulse signal to encoder 21, the pulse signal of Z phase is illustrated, but as long as the every rotation of plate cylinder 13 once just can be exported one time signal, also can be non-contact switch.And encoder 21 also can be absolute type encoder.And the number of printing element 11 is not defined in above-mentioned embodiment.
And, in step S12, the reference position using finishing label print portion 14 as plate cylinder 13, the output of the encoder 21 when storage finishing label print portion 14 is positioned at predefined identical circumferential position on the plate cylinder 13 of each printing element 11.But, also can be using telltale mark Printing Department 15 as reference position, the output of the encoder 21 when store location label print portion 15 is positioned at predefined identical circumferential position on the plate cylinder 13 of each printing element 11.
Claims (2)
1. a print system, is characterized in that, possesses:
Phase-detection mechanism, is arranged at respectively each of multiple printing elements of drive part by part formula, and detects the phase place of plate cylinder;
Storage part, while being positioned at predefined circumferential position in the reference position of the plate cylinder of described each printing element, storage is from the benchmark output valve of the phase-detection mechanism output of this each printing element;
Predicted phase calculating part, the predicted phase of the plate cylinder while at least calculating detection position by mark sensor of the telltale mark that prints by plate cylinder according to described benchmark output valve; And
Configuration part, make to be associated by the output of the period of described mark sensor detection and location mark and the phase-detection mechanism of described each printing element, and set by the period of described mark sensor detection and location mark according to the predicted phase of described plate cylinder.
2. a presetting method for print system, is characterized in that,
In the time that each the reference position of plate cylinder of multiple printing elements of drive part by part formula is positioned at predefined circumferential position, storage is from being arranged at the benchmark output valve of phase-detection mechanism output of described each printing element,
The predicted phase of the plate cylinder while at least calculating detection position by mark sensor of the telltale mark that prints by plate cylinder according to described benchmark output valve,
Make to be associated by the output of the period of described mark sensor detection and location mark and the phase-detection mechanism of described each printing element, and set by the period of described mark sensor detection and location mark according to the predicted phase of described plate cylinder.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013052149A JP6184138B2 (en) | 2013-03-14 | 2013-03-14 | Printing system and printing system presetting method |
| JP2013-052149 | 2013-03-14 |
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| Publication Number | Publication Date |
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| CN104044341A true CN104044341A (en) | 2014-09-17 |
| CN104044341B CN104044341B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410080946.3A Active CN104044341B (en) | 2013-03-14 | 2014-03-06 | The presetting method of print system and print system |
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| CN (1) | CN104044341B (en) |
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| CN107443894A (en) * | 2016-05-23 | 2017-12-08 | 住友重机械工业株式会社 | Polychrome printing system and control method |
| CN107627730A (en) * | 2017-09-07 | 2018-01-26 | 张家港市倍仪软件有限公司 | Monochromatic light electric eye and its application |
| CN109130487A (en) * | 2017-06-15 | 2019-01-04 | 住友重机械工业株式会社 | Information processing unit, print system and information processing method |
| CN110978777A (en) * | 2019-12-05 | 2020-04-10 | 浙江美格机械股份有限公司 | Method for automatically printing and registering colors by using printing roller without automatic registering and marking |
| CN111038095A (en) * | 2018-10-12 | 2020-04-21 | 住友重机械工业株式会社 | Information processing apparatus, printing system, and information processing method |
| CN111038096A (en) * | 2018-10-12 | 2020-04-21 | 住友重机械工业株式会社 | Information processing apparatus, printing system, and information processing method |
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| TWI671209B (en) * | 2016-05-23 | 2019-09-11 | 日商住友重機械工業股份有限公司 | Multicolor printing system and control method |
| CN109130487A (en) * | 2017-06-15 | 2019-01-04 | 住友重机械工业株式会社 | Information processing unit, print system and information processing method |
| CN107627730A (en) * | 2017-09-07 | 2018-01-26 | 张家港市倍仪软件有限公司 | Monochromatic light electric eye and its application |
| CN111038095A (en) * | 2018-10-12 | 2020-04-21 | 住友重机械工业株式会社 | Information processing apparatus, printing system, and information processing method |
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| CN111038096B (en) * | 2018-10-12 | 2021-07-20 | 住友重机械工业株式会社 | Information processing apparatus, printing system, and information processing method |
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| CN110978777A (en) * | 2019-12-05 | 2020-04-10 | 浙江美格机械股份有限公司 | Method for automatically printing and registering colors by using printing roller without automatic registering and marking |
| CN110978777B (en) * | 2019-12-05 | 2021-06-25 | 浙江美格机械股份有限公司 | Method for automatically printing and registering colors by using printing roller without automatic registering and marking |
| CN114559738A (en) * | 2020-11-27 | 2022-05-31 | 住友重机械工业株式会社 | Printing apparatus, printing method, and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014177019A (en) | 2014-09-25 |
| JP6184138B2 (en) | 2017-08-23 |
| CN104044341B (en) | 2016-04-20 |
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