CN103158339B - Screen printing production line of image coding steel plate - Google Patents
Screen printing production line of image coding steel plate Download PDFInfo
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- CN103158339B CN103158339B CN201310076109.9A CN201310076109A CN103158339B CN 103158339 B CN103158339 B CN 103158339B CN 201310076109 A CN201310076109 A CN 201310076109A CN 103158339 B CN103158339 B CN 103158339B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 86
- 239000010959 steel Substances 0.000 title claims abstract description 86
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- 238000007650 screen-printing Methods 0.000 title abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 74
- 238000000576 coating method Methods 0.000 claims abstract description 74
- 238000000034 method Methods 0.000 claims abstract description 65
- 230000008569 process Effects 0.000 claims abstract description 56
- 238000007639 printing Methods 0.000 claims abstract description 28
- 238000010023 transfer printing Methods 0.000 claims description 7
- 239000003086 colorant Substances 0.000 claims description 5
- 238000005367 electrostatic precipitation Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000007761 roller coating Methods 0.000 abstract description 4
- 238000010422 painting Methods 0.000 abstract 2
- 238000004140 cleaning Methods 0.000 description 11
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- 238000005516 engineering process Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000003851 corona treatment Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007646 gravure printing Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010428 oil painting Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009183 running Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
The invention provides a screen printing production line of an image coding steel plate. The screen printing production line of the image coding steel plate combines screen printing and roller painting, and not only can obtain accurate underpainting patterns, but also can obtain a thick and strong three-dimension printing layer. Meanwhile, a servo control system which controls rotate speed and starting time of a suction roller and a coating roller of a roller coating equipment element is added at a roller painting section to ensure that actual roller surface line speed is consistent with process rotate speed, accordingly line stopping adjustment is not needed in the process of production, and production efficiency is improved.
Description
Technical field
The present invention relates to a kind of serigraphy production line of figure code steel plate, belong to figure code Plate Production and manufacture field.
Background technology
Serigraphy is called as four large printing processes together with lithograph printing, convex print printing, gravure printing.Serigraphy needs serigraphy assembly, screen printing apparatus assembly is formed primarily of top 5 factor: screen printing forme, scraper plate, ink, print station and stock, wherein, screen printing forme is provided with areas mesh and non-graphic part mesh, the mesh of areas can through ink, and the mesh of non-graphic part can not through ink.
The basic process utilizing screen printing apparatus assembly to carry out printing is: during printing, ink is poured in screen printing forme side, certain pressure is applied with the ink position of scraper plate on screen printing forme, ink is moved towards screen printing forme opposite side, ink is scraped scraper plate and is expressed on stock from areas mesh in movement, make trace set due to the viscous effect of ink within limits, and then form the picture and text the same with areas mesh.Lifted after the whole space of a whole page scraped by scraper plate, screen printing forme also lifts simultaneously, and ink is scraped back initial position, is so far a print stroke, completes the printing of a kind of color or monochromatic pattern or decorative pattern.
In screen printing process, owing to keeping certain gap between screen printing forme and stock, screen printing forme when printing is made to be produced reaction force to scraper plate by the tension force of self, this reaction force is called screen resilience, due to the effect of screen resilience, makes screen printing forme and stock be portable linear contact lay, and screen printing forme other parts and stock are disengaged position, and then make ink and screen printing forme generation rhegmagenesis, therefore, serigraphy has higher dimensional accuracy.In addition, serigraphy, by the extruding of scraper plate, makes ink transfer on stock by areas mesh, and form the picture and text the same with original copy, its equipment is simple, easy to operate and with low cost.Current serigraphy has been widely used in the printing of paper, and common screen printing products has: colored oil painting, pictorial poster, business card, binding and layout front cover, product tag and printed textile etc.
At present, screen printing technique is applied on steel plate, to form comparatively abundant and that third dimension is stronger printed layers on steel plate by successful turning.But, the printing precision of serigraphy is lower relative to gravure application, in order to obtain the higher dimensional printed chart code of precision or striped, and ensure that decorative cover has abundant and that third dimension is stronger printed layers, existing a lot of manufacturer attempts serigraphy to combine with intaglio printing, before serigraphy, adopt gravure printing apparatus to carry out the roller coat of background color decorative pattern, and after roller coat, adopt screen printing technique to realize abundant printed layers.
The existing roll coating apparatus assembly realizing roller coat, comprises feeder apparatus, for providing coating; Suction roller, its periphery is connected with described feeder apparatus, described periphery has the multiple depressions forming image-region when filling with described coating; Rubber-coated roller, its periphery is connected with described suction roller, for accepting the image-region that described coating is formed on described applicator roll, and is transferred to by described image-region on steel plate to form required chromatic pattern.
But, applicant finds in the above-mentioned roll coating apparatus component process of use, the roll surface speed of described applicator roll, suction roller is often inconsistent with the process speed of whole production line, and whole production line lacks and carries out to the rotating speed of described suction roller and applicator roll control system that line adjusts, thus cause needing to stop line adjustment through often after whole production line runs a period of time, and then have impact on the efficiency of whole production line; And if do not stop line adjustment the roll surface speed transporting the speed of steel plate and each roller will be caused inconsistent, and then often cause to carry out roller coat transfer printing according to preposition to steel plate; In addition, in order to print multi color effect, often need several groups of roll coating apparatus assembly synergistic runnings, and above-mentioned roll coating apparatus assembly of the prior art lacks one makes adjacent roller automatic doubler surface glouer assembly quantity-produced control system, that is, staff is needed whether a kind of color to be applied, after determining that coating completes by eye-observation first roll coating apparatus assembly, again by manually starting adjacent roller automatic doubler surface glouer assembly, thus make cannot realize continuous seepage between adjacent roller automatic doubler surface glouer assembly; Meanwhile, owing to lacking the control system adjusted the rotating speed of suction roller and applicator roll, thus carry out error correction during the pattern dislocation cannot printed at adjacent roller automatic doubler surface glouer assembly.
In sum, when in serigraphy production line, draw roll automatic doubler surface glouer assembly carries out the polychrome roller coat of priming paint, how the roll surface speed of each roller in roll coating apparatus assembly adjusted and make the roll surface speed of each roller consistent with technique rotating speed, and then to enhance productivity be the technical barrier also do not solved in prior art.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to provide one serigraphy can be combined with roller coat printing, can adjust and make it consistent with technique rotating speed thus the production line of the figure code steel plate of enhancing productivity to the roll surface speed of each roller of roll coating apparatus assembly.
For this reason, the invention provides a kind of serigraphy production line of figure code steel plate, comprise successively and the roller coat print zone of the background color roller coat of at least two kinds of colors is carried out to steel plate and the steel plate through background color roller coat is carried out to the serigraphy section of serigraphy, described roller coat print zone comprises at least two group roll coating apparatus assemblies, described roll coating apparatus assembly comprises, feeder apparatus, for providing coating, suction roller, its periphery is connected with described feeder apparatus, described periphery has the multiple depressions forming image-region when filling with described coating, rubber-coated roller, its periphery is connected with described suction roller, for accepting the image-region that described coating is formed on described applicator roll, and is transferred on steel plate by described image-region, first scraper, is arranged on the first scraper support, contacts with described suction roller with special angle, for strike off described suction roller described image-region outside coating, second scraper, is arranged on the second scraper support, contacts with special angle with described applicator roll, for striking off coating remaining after transfer printing on described rubber-coated roller, and to the suction roller of described roll coating apparatus assembly, the rotating speed of applicator roll and the servo-control system that controls start-up time, wherein, described servo-control system comprises PLC control module, there is collector, for gathering roller footpath and the process speed data of each roller of the first roll coating apparatus assembly, also there is calculator, for calculating the theoretical roll surface speed of each roller according to the roller footpath of process speed and each roller, make the theoretical roll surface speed of each roller consistent with described process speed, and the theoretical roll surface speed signal of each roller calculated is exported respectively, also there is comparator, servo control module, there is encoder, described servo control module receives the theoretical roll surface speed signal from each roller of described PLC control module, and drive each roller according to described theoretical roll surface speed signal, described encoder is for gathering the actual roll surface speed of each roller, and the actual roll surface speed signal of each roller is exported to described PLC control module, the power frequency of the motor of each roller is driven according to actual roll surface speed signal and the adjustment of theoretical roll surface speed signal to make the described comparator of described PLC control module, and then by actual roll surface speed correction to consistent with described theoretical roll surface speed, complete a roller coat transfer printing.
The described collector of described PLC control module is also for gathering the range data between the first roll coating apparatus assembly and the second roll coating apparatus assembly adjacent with described first roll coating apparatus assembly, and described calculator is also for calculating the time of startup second roll coating apparatus assembly according to process speed and described range data.
Also comprise private mark identification module, the decorative pattern after described private mark identification module collection printing, and by computer identification determination pattern dislocation distance, thus the process speed of respective roller automatic doubler surface glouer assembly is revised.
Described serigraphy section comprises the print station for placing the steel plate through background color roller coat, and the bottom of described print station is provided with apparatus for leveling, and described apparatus for leveling is used for carrying out the leveling before serigraphy in described serigraphy section to the surface of described steel plate.
Position corresponding with the placement location of described steel plate on described print station is provided with several through holes, and the bottom of described print station is provided with blower fan, and described blower fan can through described through hole air draught.
Described print station is ferrimagnet print station, and the position that the bottom of described print station is corresponding with the placement location of described steel plate is provided with solenoid, and described solenoid is connected with power control apparatus.
Described serigraphy section also comprises at least one for the screen process press of printed patterns or bar code on described steel plate and infrared ray cured stove for described pattern or bar code be cured matching used with described screen process press.
Before described serigraphy section, be provided with corona machine, described corona machine is used for carrying out surface corona process to the steel plate through roller coat process.
Also to comprise after being positioned at described corona machine and the electrostatic precipitation be positioned at before described serigraphy section is arranged.
Described first scraper contacts with described suction roller with the angle being less than 30 degree; Described second scraper contacts with described applicator roll with the angle being greater than 30 degree.
The serigraphy production line of figure code steel plate provided by the invention has the following advantages:
1. the serigraphy production line of figure code steel plate provided by the invention, serigraphy is combined with roller coat printing, not only can obtain comparatively accurate background color decorative pattern and comparatively abundant and that third dimension is stronger printed layers can be obtained, simultaneously, the suction roller to described roll coating apparatus assembly is added in roller coat section, the rotating speed of applicator roll and start-up time carry out the servo-control system controlled, for one-step print, on the one hand, PLC control system is by the rotating speed of each roller in collection technology speed and roll coating apparatus assembly, calculate the theoretical roll surface speed of each roller in roll coating apparatus assembly, and make theoretical roll surface speed consistent with technique rotating speed, on the other hand, the actual roll surface speed of each roller in roll coating apparatus assembly is gathered by servo control module, and actual roll surface speed signal is input to PLC control system, thus PLC control system can be compared with actual roll surface speed and theoretical roll surface speed, and adjust power frequency, until actual roll surface speed is consistent with theoretical roll surface speed.Actual roll surface speed is adjusted to consistent with theoretical roll surface speed by above-mentioned control method, and theoretical roll surface speed is consistent with process speed, thus ensure that actual roll surface speed is consistent with technique rotating speed, and then do not need in process of production to stop line adjustment, improve production efficiency.
2. the serigraphy production line of figure code steel plate provided by the invention, add servo-control system, in described PLC control system, also input has the range data between the first roll coating apparatus assembly and the second roll coating apparatus assembly, and can calculate the time of startup second roll coating apparatus assembly according to process speed and described range data.Due to production line once determine, distance between adjacent unit is just determined, in advance described Data Data is input in PLC control system, described PLC control system is according to process speed and range data, calculate the time that next roller coating production line starts, thus will set in advance the time, thus next roller coating production line is started in the given time, and then achieve working continuously of adjacent roller automatic doubler surface glouer assembly, further increase production efficiency.
3. the serigraphy production line of figure code steel plate provided by the invention, add servo-control system, private mark identification module is also comprised in described servo-control system, decorative pattern after described private mark identification module collection printing, and by computer identification determination pattern dislocation distance, thus the process speed of respective roller automatic doubler surface glouer assembly is revised.After next roller coating production line starts and completes secondary printing, by the decorative pattern after private mark identification module collection printing, and by computer identification determination pattern dislocation distance, thus revise according to the rotating speed of pattern dislocation distance to each roller, pattern misalignment is revised, and said process can circulate and carry out, thus ensure that the decorative pattern printed out is complete and true to nature, in addition, the length adding the decorative pattern making to print out of private mark identification module increases greatly.
4. the serigraphy production line of the figure code steel plate of improvement provided by the invention, comprise serigraphy section, described serigraphy section comprises the print station for placing the steel plate through the process of background color roller coat, the bottom of described print station is provided with apparatus for leveling, the leveling before described apparatus for leveling is used for printing the surface of described steel plate.Owing to being provided with apparatus for leveling in the bottom of described print station, described apparatus for leveling can flatten steel plate, thus makes in serigraphy section, and scraper plate can carry out ink transfer cylinder under the effect of uniform force, reduces printing difficulty.The present invention specifically provides two kinds of leveling fashion: mode one, described print station is ferrimagnet print station, the position that the bottom of described print station is corresponding with the contained location of described steel plate is provided with solenoid, described solenoid is connected with power control apparatus, when utilizing this kind of leveling fashion to flatten, by power control apparatus, solenoid is passed through, magnetic field will be produced after described solenoid energising, thus described print station is magnetized, print station after being magnetized plays the effect of electromagnet, steel plate is entirely adsorbed onto on print station, thus the leveling achieved steel plate, mode two, position corresponding with the contained location of described steel plate on described print station is provided with several through holes, the bottom of described print station is provided with blower fan, described blower fan can through described through hole air draught, when utilizing this kind of leveling fashion to flatten, due to described print station being provided with several through holes, and steel plate is not at ordinary times, will and described print station between produce gap, by described fan induced draught, wind just can flow to described blower fan through described through hole, thus the gap location between described steel plate and print station produces negative pressuren zone, thus described steel plate is adsorbed on print station, and then realize leveling.Above-mentioned two kinds of apparatus for leveling structures are simple, convenient operation.
5. the serigraphy production line of figure code steel plate provided by the invention, was provided with corona machine before described serigraphy section, and described corona machine is used for carrying out surface corona process to the steel plate through roller coat process.Sided corona treatment forms several small ruts at surface of steel plate, improves the surface roughness of surface of steel plate, thus improves the adhesive force of surface of steel plate and ink, makes patterned layer be not easy to occur " falling paint " phenomenon, improves the mouldability of steel plate.
6. the serigraphy production line of figure code steel plate provided by the invention, also comprises after being positioned at described corona machine and the electrostatic precipitation be positioned at before described serigraphy section is arranged.Electrostatic precipitation process is carried out to the steel plate through sided corona treatment, removes " steel cuttings " that surface of steel plate produces in sided corona treatment process, improve surface cleanliness.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the flow sheet of the serigraphy section of figure code steel plate production line of the present invention;
Fig. 2 is the structural representation of the roll coating apparatus assembly of the roller coat print zone of figure code steel plate production line of the present invention;
Fig. 3 is the structural representation of the cleaning device in roll coating apparatus assembly of the present invention.
In figure, Reference numeral is expressed as:
1-corona machine; 2-film covering device; 3-screen process press; The infrared ray cured stove of 4-; 5-roll coating apparatus assembly; 51-feeder apparatus; 52-suction roller; 53-applicator roll; 54-first scraper; 55-second scraper; 56-cleaning device; 561-liquid supply box; 562-transfer pump; 563-transfer canal; 564-shower; 565-spray apertures; 566-accumulator tank; 567-recovery channel; 568-filter; 6-electrostatic dust collection equipment.
Detailed description of the invention
embodiment 1
As shown in Figure 1, the present embodiment provides a kind of serigraphy production line of figure code steel plate, comprise the serigraphy section of the steel plate through background color roller coat being carried out to serigraphy, described serigraphy section comprises steel plate (the steel plate A for holding through background color roller coat, be sheared rear piling and become buttress platform B) print station, the bottom of described print station is provided with apparatus for leveling, the leveling before described apparatus for leveling is used for printing the surface of described steel plate.
In the present embodiment, described print station is ferrimagnet print station, and the position that the bottom of described print station is corresponding with the contained location of described steel plate is provided with solenoid, and described solenoid is connected with power control apparatus.When utilizing this kind of leveling fashion to flatten, by power control apparatus, solenoid is passed through, magnetic field will be produced after described solenoid energising, thus described print station is magnetized, print station after being magnetized plays the effect of electromagnet, steel plate is entirely adsorbed onto on print station, thus achieves the leveling to steel plate.
In the present embodiment, described serigraphy section also comprises at least one for the screen process press 3 of printed patterns or bar code on described steel plate and infrared ray cured stove 4 for described pattern or bar code be cured matching used with described screen process press 3.
In the present invention, the number of units of screen process press 3 and described infrared ray cured stove described in described serigraphy section can unrestricted choice as required, also comprising 4 screen processes press 3 for printed patterns or bar code on described steel plate and 4 the matching used infrared ray cured stove 4 for described pattern or bar code being cured with described screen process press 3 respectively in the present embodiment, the printing of four kinds of colors can be realized.
In the present embodiment, in order to improve the adhesive force between ink and steel plate, be provided with corona machine 1 before carrying out serigraphy section, described corona machine 1 is for carrying out surface corona process to the steel plate of shear forming after cold rolling and/or hot rolling process.
In the present embodiment, in order to improve the surface smoothness of printing finished product, also comprising and to be positioned at after described corona machine 1 and the electrostatic precipitation be positioned at before described serigraphy section arranges 6.
In the present embodiment, in order to carry out background color roller coat to the steel plate carried out before serigraphy, described serigraphy production line also comprises and to be positioned at after described electrostatic dust collection equipment 6 and the roll coating apparatus assembly 5 be positioned at before described serigraphy section, see Fig. 2, described roll coating apparatus assembly 5 is for carrying out the background color roller coat of double-colored decorative pattern to the steel plate before serigraphy, described roll coating apparatus assembly 5 comprises feeder apparatus 51, for providing coating; Suction roller 52, its periphery is connected with described feeder apparatus 51, described periphery has the multiple depressions forming image-region when filling with described coating; Rubber-coated roller 53, its periphery is connected with described suction roller 52, for accepting the image-region that described coating is formed on described applicator roll 53, and is transferred on steel plate by described image-region; First scraper 54, is arranged on the first scraper support, contacts with described suction roller 52 with special angle, for strike off described suction roller 52 described image-region outside coating; And second scraper 55, be arranged on the second scraper support, contact with described applicator roll 52 with special angle, for striking off coating remaining after transfer printing on described rubber-coated roller 53.Described first scraper 54 contacts with described suction roller 53 with the angle being less than 30 degree; Described second scraper 55 contacts with described applicator roll 53 with the angle being greater than 30 degree, can ensure striking off suction roller 52 and applicator roll 53 simultaneously.
In the present embodiment, in order to print the background color decorative pattern with two kinds of colors, described roller coat print zone comprises roll coating apparatus assembly 5 described in two groups.
In the present embodiment, often organize described roll coating apparatus assembly 5 and also comprise cleaning device 56, see Fig. 3, described cleaning device 56 comprises liquid supply box 561, for the cleaning fluid transfer pump 562 in liquid supply box described in pumping 561, the cleaning fluid transfer canal 563 be communicated with described cleaning fluid transfer pump 562 and the shower 564 be communicated with described cleaning fluid transfer canal, described shower 564 is arranged on the axially top of described rubber-coated roller 53, described shower 564 have several spray apertures 565, described cleaning device 56 also comprises the cleaning fluid accumulator tank 566 be arranged on below described applicator roll 53, described cleaning fluid accumulator tank 566 connects a recovery channel 567, described recovery channel 567 leads to described liquid supply box 561, a filter 568 is set between described recovery channel 567 and described liquid supply box 561.
In the present embodiment, described servo-control system comprises PLC control module, described PLC control module has collector, for gathering roller footpath and the process speed data of each roller of the first roll coating apparatus assembly, described PLC control module also has calculator, for calculating the theoretical roll surface speed of each roller according to the roller footpath of process speed and each roller, make the theoretical roll surface speed of each roller consistent with described process speed, and the theoretical roll surface speed signal of each roller calculated is exported respectively, described PLC control module also has comparator, servo control module, described servo control module has encoder, described servo control module receives the theoretical roll surface speed signal from each roller of described PLC control module, and drive each roller according to described theoretical roll surface speed signal, described encoder is for gathering the actual roll surface speed of each roller, and the actual roll surface speed signal of each roller is exported to described PLC control module, the power frequency of the motor of each roller is driven according to actual roll surface speed signal and the adjustment of theoretical roll surface speed signal to make the described comparator of described PLC control module, and then by actual roll surface speed correction to consistent with described theoretical roll surface speed, complete a roller coat transfer printing.
The concrete control procedure of the background color roller coat before the roll coating apparatus assembly with servo-control system utilizing the present embodiment to provide carries out serigraphy is:
S1. The first roller device in the component of absorb roll 52, coating roll roll diameter and the technology of 53 speed input to the PLC control module, PLC control module of absorb described according to the process speed and 53 mentioned in 52 and coating roller of roller diameter calculated described of absorb roller 52 and 53 theory described in the coating roller roller surface linear velocity (the specific method is: the theoretical speed = process speed /π * roller diameter, roller surface linear velocity = theoretical speed * * π roller diameter), suction feeding roller makes stated 52 and 53 theory described in the coating roller roller surface linear velocity is consistent with the stated process speed, described and calculated the suction feed roller 52 and 53 theory described in the coating roller roller surface speed signal output to respectively with the first encoder servo control module, the first and the second with the second encoder servo control module;
S2. described first servo control module receives the theoretical roll surface speed signal from the described suction roller 52 of described PLC control module, and drive described suction roller 52 according to described theoretical roll surface speed signal, described second servo control module receives the theoretical roll surface speed signal from the described applicator roll 53 of described PLC control module, and drives described applicator roll 53 according to described theoretical roll surface speed signal;
S3. described first encoder gathers the actual roll surface speed of described suction roller 52, and the actual roll surface speed signal of suction roller 52 is exported to described PLC control module, described second encoder gathers the actual roll surface speed of described applicator roll 53, and exports the actual roll surface speed signal of applicator roll 53 to described PLC control module;
S4. the actual roll surface speed signal of the described suction roller 52 that receives and described applicator roll 53 and the adjustment of theoretical roll surface speed signal are driven the power frequency of the motor (described motor is variable-frequency motor) of suction roller 52 and applicator roll 53 by described PLC control module, and then by time extremely consistent with described theoretical roll surface speed to described suction roller 52 and the actual roll surface speed correction of described applicator roll 53, complete the printing of the first roll coating apparatus assembly.
In the present embodiment, in order to realize adjacent roller automatic doubler surface glouer assembly line on work continuously, in described step S1, in described PLC control system, also input has the range data between the first roll coating apparatus assembly and the second roll coating apparatus assembly, described PLC control system calculates the time of startup second roll coating apparatus assembly according to process speed and described range data, and according to starting the second roll coating apparatus assembly start-up time, complete the printing of the second roll coating apparatus assembly.
In the present embodiment, in order to print the needs of irregular long width decorative pattern, after the printing completing the second roll coating apparatus assembly, by the decorative pattern after private mark identification module collection printing, and by computer identification determination pattern dislocation distance, thus the process speed of respective roller automatic doubler surface glouer assembly is revised.Specific correction process: if the combination to identify the module collected after the pattern of the color of the roller relative to the first roller coated with color and scheduled roller position to produce a dislocation distance, for example, relative to the scheduled roller position top 10 mm, the actual process ship steel roller speed (expressed in V1) relative to should run the process speed (expressed in V2) in unit time is fast 10 mm, this time, V2 = V1-10, after calculate the V2, V2 can be converted to should run the roller speed (N), N = V2 / π * roller diameter size, so as to adjust the corresponding motor according to rotational speed N of the current frequency, thus to adjust corresponding to the speed of the roller, and then adjust the process speed and control precision of dislocation will eventually patterns within + / - 0.6 mm, this is a dynamic repeated adjustment process.At this, by the decorative pattern after the DV collection printing in private mark identification module.
It should be noted that, the roll coating apparatus assembly of the present embodiment can carry out the roller coat of double-colored background color decorative pattern, and those skilled in the art can according to production method disclosed in the present embodiment, especially the adjustment rotating speed in servo-control system, the second roll coating apparatus assembly start-up time and private mark recognition technology are transformed on the present embodiment basis, carry out three looks, four looks, the five colors or more multi color effect background color roller coat produce.
The production line that the present embodiment provides also comprises the film covering device 2 be positioned at after described serigraphy section.
embodiment 2
The present embodiment is the improvement on the serigraphy production line basis of the figure code steel plate provided in embodiment 1, and it is from the uniquely different of embodiment 1: described apparatus for leveling is different.In the present embodiment, position corresponding with the contained location of described steel plate on described print station is provided with several through holes, and the bottom of described print station is provided with blower fan, and described blower fan can through described through hole air draught.
When utilizing this kind of leveling fashion to flatten, due to described print station being provided with several through holes, and steel plate is not at ordinary times, will and described print station between produce gap, by described fan induced draught, wind just can flow to described blower fan through described through hole, thus the gap location between described steel plate and print station produces negative pressuren zone, thus be adsorbed on print station by described steel plate, and then realize leveling.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still in protection scope of the present invention.
Claims (8)
1. scheme the serigraphy production line of yard steel plate for one kind, comprise successively and the roller coat print zone of the background color roller coat of at least two kinds of colors is carried out to steel plate and the steel plate through background color roller coat is carried out to the serigraphy section of serigraphy, described roller coat print zone comprises at least two group roll coating apparatus assemblies (5), described roll coating apparatus assembly (5) comprises
Feeder apparatus (51), for providing coating;
Suction roller (52), its periphery is connected with described feeder apparatus (51), described periphery has the multiple depressions forming image-region when filling with described coating;
Rubber-coated roller (53), its periphery is connected with described suction roller (52), for accepting described coating at the upper image-region formed of described applicator roll (53), and is transferred on steel plate by described image-region;
First scraper (54), is arranged on the first scraper support, contacts at a certain angle with described suction roller (52), for strike off described suction roller (52) described image-region outside coating;
Second scraper (55), is arranged on the second scraper support, contacts at a certain angle with described applicator roll (53), for striking off coating remaining after transfer printing on described rubber-coated roller (53); And to the suction roller (52) of described roll coating apparatus assembly (5), the rotating speed of applicator roll (53) and the servo-control system that controls start-up time;
It is characterized in that: described servo-control system comprises
PLC control module, there is collector, for gathering roller footpath and the process speed data of each roller of the first roll coating apparatus assembly, also there is calculator, for calculating the theoretical roll surface speed of each roller according to the roller footpath of process speed and each roller, make the theoretical roll surface speed of each roller consistent with described process speed, and the theoretical roll surface speed signal of each roller calculated is exported respectively, also there is comparator;
Servo control module, there is encoder, described servo control module receives the theoretical roll surface speed signal from each roller of described PLC control module, and drive each roller according to described theoretical roll surface speed signal, described encoder is for gathering the actual roll surface speed of each roller, and the actual roll surface speed signal of each roller is exported to described PLC control module, the power frequency of the motor of each roller is driven according to actual roll surface speed signal and the adjustment of theoretical roll surface speed signal to make the described comparator of described PLC control module, and then by actual roll surface speed correction to consistent with described theoretical roll surface speed, complete a roller coat transfer printing, the described collector of described PLC control module is also for gathering the range data between the first roll coating apparatus assembly and the second roll coating apparatus assembly adjacent with described first roll coating apparatus assembly, and described calculator is also for calculating the time of startup second roll coating apparatus assembly according to process speed and described range data, also comprise private mark identification module, the decorative pattern after described private mark identification module collection printing, and by computer identification determination pattern dislocation distance, thus the process speed of respective roller automatic doubler surface glouer assembly is revised.
2. the serigraphy production line of figure code steel plate according to claim 1, it is characterized in that: described serigraphy section comprises the print station for placing the steel plate through background color roller coat, the bottom of described print station is provided with apparatus for leveling, and described apparatus for leveling is used for carrying out the leveling before serigraphy in described serigraphy section to the surface of described steel plate.
3. the serigraphy production line of figure code steel plate according to claim 2, it is characterized in that: position corresponding with the placement location of described steel plate on described print station is provided with several through holes, the bottom of described print station is provided with blower fan, and described blower fan can through described through hole air draught.
4. the serigraphy production line of figure code steel plate according to claim 2, it is characterized in that: described print station is ferrimagnet print station, the position that the bottom of described print station is corresponding with the placement location of described steel plate is provided with solenoid, and described solenoid is connected with power control apparatus.
5. the serigraphy production line of the figure code steel plate according to any one of claim 1-4, is characterized in that: described serigraphy section also comprises at least one for the screen process press (3) of printed patterns or bar code on described steel plate and infrared ray cured stove (4) for described pattern or bar code be cured matching used with described screen process press (3).
6. the serigraphy production line of figure code steel plate according to claim 5, is characterized in that: before described serigraphy section, be provided with corona machine (1), described corona machine (1) is for carrying out surface corona process to the steel plate through roller coat process.
7. the serigraphy production line of figure code steel plate according to claim 6, is characterized in that: also comprise and to be positioned at after described corona machine (1) and the electrostatic precipitation be positioned at before described serigraphy section arranges (6).
8. the serigraphy production line of the figure code steel plate according to any one of claim 1-4, is characterized in that: described first scraper (54) contacts with described suction roller (52) with the angle being less than 30 degree; Described second scraper (55) contacts with described applicator roll (53) with the angle being greater than 30 degree.
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| CN201310076109.9A CN103158339B (en) | 2013-03-11 | 2013-03-11 | Screen printing production line of image coding steel plate |
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| CN201310076109.9A CN103158339B (en) | 2013-03-11 | 2013-03-11 | Screen printing production line of image coding steel plate |
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| CN103029502B (en) * | 2012-11-23 | 2015-05-27 | 辽宁超烁图码科技板业有限公司 | Production method of multicolor pattern color steel plate |
| CN103158380B (en) * | 2013-03-11 | 2015-10-07 | 辽宁超烁图码科技板业有限公司 | Integrate the production method of single background color figure code steel plate of roller coat and serigraphy |
| CN103204011B (en) | 2013-03-19 | 2016-06-01 | 辽宁超烁图码科技板业有限公司 | The roller coat production method of a kind of figure code warming plate being applicable to skin |
| CN109086709B (en) * | 2018-07-27 | 2023-04-07 | 腾讯科技（深圳）有限公司 | Feature extraction model training method and device and storage medium |
| CN109454466A (en) * | 2018-12-13 | 2019-03-12 | 天津市曙光金属网有限公司 | A kind of no braided metal net Continuous maching system and its processing method |
| CN110816094A (en) * | 2019-11-30 | 2020-02-21 | 重庆富美包装印务有限公司 | Processing technology of paper-plastic packaging bag |
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