CN202965490U - Production line of multicolor decorative pattern roller painting colorful steel plates - Google Patents
Production line of multicolor decorative pattern roller painting colorful steel plates Download PDFInfo
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- CN202965490U CN202965490U CN 201220626617 CN201220626617U CN202965490U CN 202965490 U CN202965490 U CN 202965490U CN 201220626617 CN201220626617 CN 201220626617 CN 201220626617 U CN201220626617 U CN 201220626617U CN 202965490 U CN202965490 U CN 202965490U
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Abstract
The utility model provides a production line of multicolor decorative pattern roller painting colorful steel plates. On one hand, a programmable logic controller (PLC) control module in a server control system calculates theoretical roll surface line speed of each roller in a roller panting unit by collecting of technology speed and rotating speed of each roller in the roller painting unit, and the theoretical roll surface line speed is enabled to be consistent with the technology speed. On the other hand, actual roll surface line speed of each roller in the roller painting unit is collected through a server control module provided with an encoder, and an actual roll surface line speed signal is input to a PLC control system to enable the PLC control system to compare the actual roll surface line speed and the theoretical roll surface line speed, and current frequency is adjusted until the actual roll surface line speed is consistent with the theoretical roll surface line speed. The control method ensures that the actual roll surface line speed is consistent with the technology rotating speed, stopping the production line for adjusting is not needed in the process of producing, and production efficiency is improved.
Description
Technical field
The utility model relates to a kind of multi color effect roller coat color steel production line, belongs to color steel and manufactures field.
Background technology
Color painted steel strip (being commonly called as color steel) refer to metal base through tandem mill first slough surperficial grease, after the external coating pre-treatments such as surface passivation, pass through again the coloured coating printing machine, apply from the teeth outwards the composite formed after last layer or multilayer organic coating.
In existing domestic color steel production, mainly select cold-reduced sheet and hot rolled plate as raw material.Traditional color steel production is divided into three production lines and carries out: at first with a cut-to-length uncoiling leveling, scale is horizontal cuts, and steel plate is cut into to the steel plate of Len req; Then the steel plate piling is become to needed height; And then, with a coating line, by carrying, steel plate is delivered to abrasive blasting rust-cleaning machine, every steel plate is carried out to derusting by sandblasting, and then deliver to coating line and carry out roller coat; By conveyer belt, dried steel plate is delivered to the roller machine after roller coat and carry out the roller moulding, after moulding, scale four sideline judges cut, piling is stacked.The problem that above-mentioned color steel production line exists is: in whole production process, can not work continuously, and middle conveying process complexity, thus cause production efficiency lower.
In order to enhance productivity, Chinese patent literature CN10249606A discloses the continuous method and apparatus of producing of a kind of hot rolled plate colored forming, and equipment as shown in Figure 1 comprises the following steps in actual production process: by hot rolled strip take the lead and tail welds together; Steel band enters descaling bath, removes the iron scale of steel strip surface, and steel band enters the hot-air seasoning section, removes the moisture of steel strip surface; Steel band enters roll coater, in the steel strip surface japanning, then sends into paint curing oven, and the steel band after japanning is cured to oven dry, and the steel band that will have uniform temperature carries out the cold wind purging, reduces the temperature of steel band; Steel band is sent into to ROLLERS FORMERS and carry out the roller moulding; Steel band after the roller moulding is sent into to the scale flying arrow, and by steel band, length is as requested cut short; Steel band is sent into to two stacking height as requested and carry out stacking, this kind of method and apparatus guaranteed that the equal on-line continuous of whole color coating line all processes completes, and has improved production efficiency.Yet still there are following defect in the disclosed production method of the document and equipment in actual production process:
In this production line, the steel band after japanning directly is cured to drying and processing and cooling are processed and for carrying out the roller moulding, solidify to dry although simple and improved drying rate with respect to natural drying, but, after japanning, its paint of color steel (or cromogram layer) of (especially forming the cromogram layer) is lower with the adhesive force of steel strip surface, this has caused the mouldability in later stage of color steel poor, especially in the brake forming process, the cromogram layer often easily separates with steel plate, form " falling paint " phenomenon, especially in the dapple steel plate of forming device, this kind " falls paint ", and phenomenon can cause the imperfection of decorative pattern.
In addition, in order to apply multi color effect, most of coating production lines need to be changed repeatedly the color of coating every day, in order to realize not stopping, do not reduce the purpose of output and quick-replaceable color, generally the essence at described production line is coated with two smart painting machines of roller coat organic coating head position installation, it is for No. one wherein top single head coating machine, it is for No. two the coated on both sides machine, one on the other, when a coating machine applies the band steel, another prepares next color, yet in the color steel production line of this kind of formation, lack the navigation system to the different colours relative position, therefore, can only apply the decorative pattern of regular shape, and can't produce erose decorative pattern.
A kind of intaglio press with roll coating model production multicolour steel plate of the prior art, comprise feeder apparatus, for coating is provided; The suction roller, its periphery is connected with described feeder apparatus, has a plurality of depressions that form image-region when filling with described coating on described periphery; The rubber-coated roller, its periphery is connected with described suction roller, the image-region formed on described applicator roll for accepting described coating, and described image-region is transferred on steel plate to form needed chromatic pattern.
Yet, the applicant states in the use in the intaglio press process and finds, the roll surface speed of described applicator roll, suction roller is often inconsistent with the process speed of whole production line, and the rotating speed that whole production line lacks described suction roller and applicator roll carries out the control system of adjusting on line, thereby cause moving a period of time by often stopping the line adjustment at whole production line, thereby affected the efficiency of whole production line; And if do not stop the line adjustment, will to cause transporting the roll surface speed of the speed of steel band and each roller inconsistent, and then often cause carrying out the roller coat transfer printing to steel band according to preposition; In addition, in order to print multi color effect, often need several groups of roller coat unit Collaboration, and above-mentioned intaglio press of the prior art lacks a kind of adjacent roller coat unit quantity-produced control system that makes, that is, need the staff whether a kind of color to be applied by first roller coat unit of eye-observation, after definite the coating, by manually starting adjacent roller coat unit, thereby make between adjacent roller coat unit, can't realize continuous production again; Simultaneously, owing to lacking the control system that the rotating speed of suction roller and applicator roll is adjusted, thereby can't when the pattern dislocation of adjacent roller coat unit printing, carry out error correction.
The utility model content
Therefore, thus the technical problems to be solved in the utility model is to provide a kind of mouldability that can improve color steel after roller coat and can be adjusted and make to the rotating speed of each roller of roller coat unit the production line of its improved multi color effect roller coat color steel of enhancing productivity consistent with the technique rotating speed.
Another technical problem to be solved in the utility model is to provide a kind of can make the adjacent roller coat unit production line of the improved multi color effect roller coat of quantity-produced color steel on line.
Thereby being to provide a kind of, another technical problem to be solved in the utility model can carry out the production line that the color roller coat steel plate of improved multi color effect of decorative pattern complete, true to nature is produced in error correction to pattern dislocation.
For this reason, the utility model provides a kind of production line of multi color effect roller coat color steel, comprises successively following equipment: uncoiler, for the steel band uncoiling by curling, and steel band is pruned, sewing machine, for being linked together by the front and back steel band after described uncoiler uncoiling, the first jockey pulley, for making the steel band even running of sewing up through described sewing machine, entry loop, when guaranteeing described uncoiler uncoiling and described sewing machine while sewing up process section do not shut down, the second jockey pulley, for the steel band even running that makes to be wound around out from described entry loop, the pre-processing device assembly, for carrying out the roller coat pre-treatment to steel band, the 3rd jockey pulley, for making the steel band even running through sided corona treatment, the roll coating apparatus assembly, for carrying out roller coat to steel band, the equipment for after-treatment assembly, for carrying out post processing to steel band after roller coat, the 4th jockey pulley, for making the steel band even running through described roll coating apparatus assembly roller coat, outlet looping, do not shut down when the blanking for guaranteeing process section, the 5th jockey pulley, for the steel band even running that makes to be wound around out from described outlet looping, and cutter, for steel band is sheared and is formed color steel according to specific standard, wherein, described roll coating apparatus assembly comprises servo-control system, described servo-control system comprises: the PLC control module, there is collector, for gathering roller footpath and the process speed data of first each roller of roller coat unit, also there is calculator, for calculate 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 that will calculate exports respectively, also there is comparator, the 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 according to described theoretical each roller of roll surface speed signal driver, described encoder is for gathering the actual roll surface speed of each roller, and export the actual roll surface speed signal of each roller to described PLC control module, so that the described comparator of described PLC control module drives the power frequency of the motor of each roller according to actual roll surface speed signal and the adjustment of theoretical roll surface speed signal, and then actual roll surface speed correction is extremely consistent with described theoretical roll surface speed, complete a roller coat transfer printing.
Described PLC controls the fast described collector of mould can also gather the range data between the first roller coat unit and the second roller coat unit, and described calculator can also calculate the time that starts the second roller coat unit according to process speed and described range data.
Also comprise the private mark identification module, the decorative pattern after described private mark identification module collection printing, and identify and determine pattern dislocation distance by computer, thereby the process speed of corresponding roller coat unit is revised.
Described PLC control module is servomotor.
Described pre-processing device assembly comprises for steel band being carried out to the Passivation Treatment equipment of Passivation Treatment.
Described equipment for after-treatment comprises for spraying the flush coater of luminous paint.
Described roll coating apparatus assembly comprises feeder apparatus, for coating is provided; The suction roller, its periphery is connected with described feeder apparatus, has a plurality of depressions that form image-region when filling with described coating on described periphery; The rubber-coated roller, its periphery is connected with described suction roller, the image-region formed on described applicator roll for accepting described coating, and described image-region is transferred on steel plate; The first scraper, be arranged on the first scraper support, with special angle, with described suction roller, contacts, for the coating outside the described image-region that strikes off described suction roller; And second scraper, be arranged on the second scraper support, with special angle, with described applicator roll, contact, for striking off on described rubber-coated roller coating remaining after transfer printing.
Described the first scraper contacts with described suction roller with the angle that is less than 30 degree; Described the second scraper contacts with described applicator roll with the angle that is greater than 30 degree.
Described roll coating apparatus assembly also comprises cleaning device, described cleaning device comprises liquid supply box, for the cleaning fluid transfer pump in the described liquid supply box of pumping, the cleaning fluid transfer canal be communicated with described cleaning fluid transfer pump and the shower that is communicated with described cleaning fluid transfer canal, described shower is arranged on the axial top of described rubber-coated roller, has several spray apertures on described shower.
Described cleaning device also comprises the cleaning fluid accumulator tank that is arranged on described applicator roll below, and described cleaning fluid accumulator tank connects a recovery channel, and described recovery channel leads to described liquid supply box; A filter is set between described recovery channel and described liquid supply box.
The production method of the multi color effect color steel that the utility model provides has the following advantages:
1. the production line of the improved multi color effect roller coat color steel that the utility model provides, for primary transfer, on the one hand, PLC control module in servo-control system is by the rotating speed of each roller in collection technology speed and roller coat unit, calculate the theoretical roll surface speed of each roller in the roller coat unit, and make theoretical roll surface speed consistent with the technique rotating speed; On the other hand, gather the actual roll surface speed of each roller in the roller coat unit by the SERVO CONTROL module with encoder, and actual roll surface speed signal is input to the PLC control system, thereby make the PLC control module to compare with actual roll surface speed and theoretical roll surface speed, and the adjustment power frequency, until actual roll surface speed is consistent with theoretical roll surface speed.Above-mentioned control method is adjusted into actual roll surface speed consistent with theoretical roll surface speed, and theoretical roll surface speed is consistent with process speed, thereby guaranteed that actual roll surface speed is consistent with the technique rotating speed, and then do not needed in process of production to stop the line adjustment, improved production efficiency.
2. the production line of the improved multi color effect roller coat color steel that the utility model provides, the described collector of described PLC control module can also gather the range data between the first roller coat transfer printing unit and the second roller coat transfer interpreter group, and can calculate the time that starts the second roller coat unit according to process speed and described range data.Because once production line is determined, distance between adjacent unit is just determined, in advance described data data are input in the PLC control module, described PLC control module calculates the time of next roller coat transfer printing unit starting according to process speed and range data, thereby will set in advance the time, thereby make next roller coating production line start in special time, and then realized working continuously of adjacent roller coat unit, further improved production efficiency.
3. the production line of the improved multi color effect roller coat color steel that the utility model provides, also comprise the private mark identification module, decorative pattern after described private mark identification module collection printing, and identify and determine pattern dislocation distance by computer, thereby the process speed of corresponding roller coat unit is revised.After next roller coating production line starts and completes secondary transfer printing, by the decorative pattern after private mark identification module collection printing, and identify and determine pattern dislocation distance by computer, thereby according to pattern dislocation distance, the rotating speed of each roller is revised, make the pattern misalignment be revised, said process can loop, thereby has guaranteed that the decorative pattern of printing out is complete and true to nature, in addition, make the length of the decorative pattern printed out greatly increase adding of private mark identification module.
4. the production line of the improved multi color effect roller coat color steel that the utility model provides, before a roller coat transfer printing, adopt the pre-processing device assembly to carry out a series of pre-treatment, for example, ungrease treatment, cleaning treatment, front drying and processing, Passivation Treatment and post-drying are processed, and after described post-drying is processed, steel band described to be printed is carried out to the rendering prime treatment, and the laggard row baking-curing processing of priming is just carried out cooling processing after baking-curing is processed.Above-mentioned pre-treatment step has effectively increased the adhesive force between coating and steel band to be printed in the roller coat process, and has improved the processability in the later stage of color steel; And carry out post processing by the equipment for after-treatment assembly, increased the bright property of color steel.
The accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the flow chart of the production method of multi color effect color steel of the present utility model;
Fig. 2 is the structural representation of the utility model roller coat unit;
The workflow diagram of the servo-control system that Fig. 3 the utility model provides;
Fig. 4 is the schematic diagram of the production line of the multi color effect color steel that provides of the utility model;
In figure, Reference numeral is expressed as:
The 1-uncoiler; The 2-sewing machine; 3-the first jockey pulley; The 4-entry loop; 5-the second jockey pulley; The 6-corona machine; 7-the 3rd jockey pulley; 8-roll coating apparatus assembly; 9-the 4th jockey pulley; The 10-outlet looping; 11-the 5th jockey pulley; The 12-cutter; The 13-electrostatic cleaner; The 14-coiling machine; 15-annex jockey pulley; The 16-film covering device; The 17-pre-processing device; The 18-equipment for after-treatment; The 81-feeder apparatus; 82-suction roller; The 83-applicator roll; 84-the first scraper; 85-the second scraper; The 86-cleaning device; The 861-liquid supply box; 862-passes on pump; The 863-transfer canal; The 864-shower; The 865-spray apertures; The 866-accumulator tank; The 867-recovery channel; The 868-filter.
The specific embodiment
Embodiment 1
As shown in Figure 4, the present embodiment provides a kind of production line (Fig. 1 is the flow chart that adopts production line that the present embodiment provides to carry out color steel production) of roller coat color steel, comprise following equipment: uncoiler 1, for the steel band uncoiling by curling, and steel band is pruned; Sewing machine 2, for will be linked together by the front and back steel band after described uncoiler 1 uncoiling, guaranteed to change the continuity of technique after coil of strip; The first jockey pulley 3, for making the steel band even running of sewing up through described sewing machine 2; Entry loop 4, when guaranteeing described uncoiler 1 uncoiling and described sewing machine 2 while sewing up process section do not shut down; The second jockey pulley 5, for making the steel band even running be wound around out from described entry loop 4; Corona machine 6, for carrying out sided corona treatment to steel band; The 3rd jockey pulley 7, for making the steel band even running through sided corona treatment; Roll coating apparatus assembly 8, carry out roller coat for the steel band to through sided corona treatment; The 4th jockey pulley 9, for making the steel band even running through described roll coating apparatus assembly 8 roller coat; Outlet looping 10, do not shut down when the blanking for guaranteeing process section; The 5th jockey pulley 11, for making the steel band even running be wound around out from described outlet looping 10; And cutter 12, for steel band is sheared and is formed color steel according to specific standard.
In the present embodiment, in order to improve the mouldability of the rear steel band of printing, before carrying out transfer printing, employing roll coating apparatus assembly 8 adopt 17 pairs of steel bands of pre-processing device assembly to carry out the transfer printing pre-treatment, the step of described transfer printing pre-treatment comprises successively: ungrease treatment, adopting concentration is 1%, the alkali lye of temperature 50-65 degree carries out degreasing, and to remove greasy dirt and the dust of belt steel surface, the ratio of alkali lye total alkali and free alkali is less than 2.5; Cleaning treatment, the belt steel surface of the desalted water that adopts the 50-65 degree after to degreasing rinsed, and to remove the remaining alkali lye of belt steel surface, the pH value of flushing water is less than 7.8; Drying and processing, the hot blast of employing 75-85 degree carries out drying to the moisture of the belt steel surface remnants after cleaning, and hot blast is heated by vapor heat exchanger; Passivation Treatment, adopt chromium point, for the treatment fluid between 22-32, the belt steel surface after clean is carried out to Passivation Treatment, adhesive force and antiseptic property with increase with steel and priming paint; Drying and processing, surface after adopting the electrical heating baking oven to Passivation Treatment is carried out drying and is processed, with the strengthening passivation effect, plate face baking temperature 72-85 degree, rendering prime treatment adopt the first roller coat unit to apply back of the body paint and priming paint to belt steel surface, and the color of priming paint and performance are determined according to institute's stamp look; Baking-curing is processed and cooling processing, band steel to primer coating and back of the body paint is toasted, and priming paint and back of the body paint is fully solidified, solidification temperature 214-232 degree, then by water smoke and current, the band steel after to baking-curing carries out coolingly, further stablizes the performance of institute's primer coating and finish paint.
In the present embodiment, for the bright property of the chromatic pattern that improves color steel, adopt the post processing that 18 pairs of steel bands of equipment for after-treatment assembly are sprayed luminous paint after roller coat, at this, described equipment for after-treatment assembly 18 is flush coater.
In the present embodiment, for the color steel by producing batches rolling, described production line also comprises coiling machine 14 and cutter 12, and in the present embodiment, described cutter 12 is hydraulic shear.。
In the present embodiment, for steel strip surface is carried out to the overlay film processing, between described the 5th jockey pulley 11 and described cutter 12, film covering device 16 is set, for steel strip surface is carried out to the overlay film processing.
In the present embodiment, the ability of permanent tension force is provided in order to improve the 3rd jockey pulley 7, between described the 3rd jockey pulley 7 and described roll coating apparatus assembly 8, additional tension roller 15 is set, for operating steadily with the steel band of described the 3rd jockey pulley 7 common guarantee through sided corona treatment.
In the present embodiment, in order to carry out the coating of polychrome style, and guarantee that various patterns can well dock, thereby form decorative pattern complete, clear and true to nature, also comprise the suction roller 82 to described roll coating apparatus assembly 8, the rotating speed of applicator roll 83 and the servo-control system of being controlled start-up time on described roll coating apparatus assembly 8.
As shown in Figure 2, the present embodiment provides a kind of assembly of the roll coating apparatus for embodiment 18, comprises feeder apparatus 81, for coating is provided; Suction roller 82, its periphery is connected with described feeder apparatus 81, has a plurality of depressions that form image-region when filling with described coating on described periphery; Rubber-coated roller 83, its periphery is connected with described suction roller 82, the image-region formed on described applicator roll 83 for accepting described coating, and described image-region is transferred on steel plate; The first scraper 84, be arranged on the first scraper support, with special angle, with described suction roller 82, contacts, for the coating outside the described image-region that strikes off described suction roller 82; And second scraper 85, be arranged on the second scraper support, with special angle, with described applicator roll 82, contact, for striking off the coating outside the described image-region on described rubber-coated roller 83.
Further, in the present embodiment, described the first scraper 84 contacts with described suction roller 82 with the angle that is less than 30 degree; Described the second scraper 85 contacts with described applicator roll 83 with the angle that is greater than 30 degree.Due to synchronization suction roller 82 and applicator roll 83 for coating to strike off position different, described the first scraper 84 and described the second scraper 85 are set to different angles, can guarantee striking off suction roller 82 and applicator roll 83 simultaneously.
In the present embodiment, described roll coating apparatus assembly 8 also comprises cleaning device 86, described cleaning device 86 comprises liquid supply box 861, for cleaning fluid transfer pump 862, the cleaning fluid transfer canal 863 be communicated with described cleaning fluid transfer pump 862 in the described liquid supply box of pumping 861 and the shower 864 be communicated with described cleaning fluid transfer canal, described shower 864 is arranged on the axial top of described rubber-coated roller 83, has several spray apertures 865 on described shower 864.
In the present embodiment, described cleaning device 86 also comprises the cleaning fluid accumulator tank 866 that is arranged on described applicator roll 83 belows, and described cleaning fluid accumulator tank 866 connects a recovery channel 867, and described recovery channel 867 leads to described liquid supply box 861; A filter 868 is set between described recovery channel 867 and described liquid supply box 861.
The present embodiment provides a kind of servo-control system of the color steel of the roller coat for embodiment 1 production line,
Including , PLC control module, the PLC control module has collector for collecting the first roller roller roller diameter of each unit and process speed data , PLC control module also has a calculator , a calculator for the process according to the speed and each roll roll roll diameter calculated for each theoretical wheel velocity ( specific calculation method: theoretical speed = process speed / Wu * roll diameter ) , the theoretical wheel velocity = theoretical speed * roll diameter * Wu ) , making the wheel velocity is consistent with the theory of the process speed of the rollers , and the calculated theoretical wheel velocity signal outputs of each roller , the PLC control module further comprises a comparator ; servo control module , with an encoder , said servo control module receives the control of the PLC module theoretical each roller wheel velocity signals from wheel velocity signals and the driving roller according to the theory , the encoder is used to capture the actual line of the roller surface of the roller rate, and outputs the PLC control module actual wheel velocity signals of the respective rollers , so that the control of the PLC module according to the actual wheel velocity signal and the theoretical wheel velocity signal to adjust the current frequency , the actual roll surface and then line coincides with the speed correction to the theoretical line of the roll surface speed , to complete a transfer roll coating .
In the present embodiment, in order to work continuously on the line of realizing adjacent roller coat unit, described collector in described PLC control module is also for gathering the range data between the first roller coat unit and the second roller coat unit, and described calculator can also calculate the time that starts the second roller coat unit according to process speed and described range data.
In the present embodiment, described PLC control module is servomotor.
In the present embodiment, in order to print the needs of irregular long width decorative pattern, also comprise the private mark identification module, the decorative pattern after described private mark identification module collection printing, and identify and determine pattern dislocation distance by computer, thereby the process speed of corresponding roller coat unit is revised.。
It should be noted that, above-mentioned control system can be for roller coat transfer printing unit of all kinds, and does not limit for the structure of roller coat transfer printing unit.
In addition, in the above-mentioned control system that the present embodiment provides, former and later two roller coat units have been adopted, can print the color steel of double-colored decorative pattern, and those skilled in the art can be according to the disclosed control method of the present embodiment, transformed on the present embodiment basis, carried out three looks, four looks, the five colors or the more production of multi color effect color steel.
The servo-control system that the present embodiment provides was controlled for rotating speed and the start-up time of the suction roller 82 to described roll coating apparatus assembly 8, applicator roll 83, and control procedure is shown in Fig. 3, for:
S1. by the suction roller 82 in the first roller coat unit, the roller footpath of applicator roll 83 and process speed are input in the PLC control module, described PLC control module calculates the theoretical roll surface speed of described suction roller 82 and described applicator roll 83 according to the roller footpath of process speed and described suction roller 82 and described applicator roll 83, make the theoretical roll surface speed of described suction roller 82 and described applicator roll 83 consistent with described process speed, and the described suction roller 82 that calculates and the theoretical roll surface speed signal of described applicator roll 83 are outputed to respectively to the first SERVO CONTROL module with first encoder, with the second SERVO CONTROL module with second encoder,
S2. described the first SERVO CONTROL module receives the theoretical roll surface speed signal from the described suction roller 82 of described PLC control module, and according to the described suction roller 82 of described theoretical roll surface speed signal driver, described the second SERVO CONTROL module receives the theoretical roll surface speed signal from the described applicator roll 83 of described PLC control module, and according to the described applicator roll 83 of described theoretical roll surface speed signal driver;
S3. described the first encoder gathers the actual roll surface speed of described suction roller 82, and to the actual roll surface speed signal of described PLC control module output suction roller 82, described the second encoder gathers the actual roll surface speed of described applicator roll 83, and exports the actual roll surface speed signal of applicator roll 83 to described PLC control module;
S4. described PLC control module is adjusted power frequency by the actual roll surface speed signal of the described suction roller 82 that receives and described applicator roll 83 and theoretical roll surface speed signal, and then by the actual roll surface speed correction of described suction roller 82 and described applicator roll 83 when consistent with described theoretical roll surface speed, complete the printing of the first roller coat unit.
In the present embodiment, in order to work continuously on the line of realizing adjacent roller coat unit, in described step S1, also input the range data between the first roller coat unit and the second roller coat unit is arranged in described PLC control module, described PLC control system calculates according to process speed and described range data the time that starts the second roller coat unit, and, according to starting the second roller coat unit start-up time, complete the printing of the second roller coat unit.
In the present embodiment, in order to print the needs of irregular long width decorative pattern, after the printing that completes the second roller coat unit, by the decorative pattern after private mark identification module collection printing, and identify and determine pattern dislocation distance by computer, thereby the process speed of corresponding roller coat unit is revised.Specific correction process is: if the color coating collected by the pattern recognition module password after the first roller relative to the roller coated with a predetermined color to generate a roller position misalignment distance, for example, with respect to a predetermined position forward of the roller 10mm, indicating that the actual process of delivery roller speed steel (represented by V1) with respect to the process should be running speed (represented by V2) in a unit time faster 10mm, in this case, V2 = V1-10, V2 is calculated Thereafter, V2 converted should run roller speed (represented by N), N =? V2 / Wu * roll diameter diameter and thus to the motor frequency of the current rotational speed N adjusted according to the corresponding roller speed adjustment, and then adjusting the speed of the process, the final color of the displacement accuracy of less than ± 0.6 mm, which is a dynamic adjustment process repeated.。At this, by the decorative pattern after the printing of the DV collection in the private mark identification module.
In the present embodiment, for the adhesive force that improves coating and steel strip surface and the mouldability of printing rear steel band, steel band is carried out to the transfer printing pre-treatment, the step of described pre-treatment comprises successively: ungrease treatment, adopting concentration is 1%, the alkali lye of temperature 50-65 degree carries out degreasing, and to remove greasy dirt and the dust of belt steel surface, the ratio of alkali lye total alkali and free alkali is less than 2.5; Cleaning treatment, the belt steel surface of the desalted water that adopts the 50-65 degree after to degreasing rinsed, and to remove the remaining alkali lye of belt steel surface, the pH value of flushing water is less than 7.8; Front drying and processing, the hot blast of employing 75-85 degree carries out drying to the moisture of the belt steel surface remnants after cleaning, and hot blast is heated by vapor heat exchanger; Passivation Treatment, adopt chromium point, for the treatment fluid between 22-32, the belt steel surface after clean is carried out to Passivation Treatment, adhesive force and antiseptic property with increase with steel and priming paint; Post-drying is processed, and the surface after adopting the electrical heating baking oven to Passivation Treatment is carried out drying and processed, to strengthen passivation effect, plate face baking temperature 72-85 degree; The rendering prime treatment, adopt the first roller coat unit to apply back of the body paint and priming paint to belt steel surface, and the color of priming paint and performance are determined according to institute's stamp look; Baking-curing is processed and cooling processing, band steel to primer coating and back of the body paint is toasted, and priming paint and back of the body paint is fully solidified, solidification temperature 214-232 degree, then by water smoke and current, the band steel after to baking-curing carries out coolingly, further stablizes the performance of institute's primer coating and finish paint.
In the present embodiment; for brightness and the protection that improves multi color effect, steel band is carried out to post processing, described post processing is included in the steel strip surface essence and is coated with luminous paint; carry out drying and processing again after essence is coated with luminous paint, again after drying and processing, is carrying out cooling processing again.
In the present embodiment, in order to make the steel band of producing, be convenient to transportation and storage, after completing all roller coat transfer printings, adopt coiling machine to be batched processing to steel band.
In the present embodiment, also comprise the step of intermediate treatment after the transfer printing of secondary roller coat after a roller coat transfer printing, described intermediate process steps is that Drying and cooling is processed, it should be noted that after increasing intermediate process steps, need to guarantee that intermediate process steps completed before the second roller coat unit starting time, perhaps, when calculating the start-up time of the second roller coat unit, consider the time of intermediate process steps, thereby to being revised the start-up time of the second roller coat unit.
It should be noted that, for the production line of above-mentioned multi color effect color steel of the present utility model, described step B and described step C need to adopt the roller coat unit to realize, but do not limit for the structure of concrete roller coat unit.
It should be noted that, the present embodiment provides the production line of dichromatism decorative pattern color steel, needed roller coat transfer printing unit is two groups, and those skilled in the art can be according to the disclosed production method of the present embodiment, especially the adjustment rotating speed in servo-control system, the second roller coat unit starting time and private mark recognition technology are transformed on the present embodiment basis, carry out three looks, four looks, the five colors or the more production of multi color effect color steel.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction 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 also giving all embodiments.And the apparent variation of being extended out thus or change are still in protection domain of the present utility model.
Claims (10)
1. the production line of a multi color effect roller coat color steel comprises following equipment successively:
Uncoiler (1), for the steel band uncoiling by curling, and pruned steel band;
Sewing machine (2), for being linked together by the front and back steel band after described uncoiler (1) uncoiling;
The first jockey pulley (3), for making the steel band even running of sewing up through described sewing machine (2);
Entry loop (4), when guaranteeing described uncoiler (1) uncoiling and described sewing machine (2) while sewing up process section do not shut down;
The second jockey pulley (5), for making the steel band even running be wound around out from described entry loop (4);
Pre-processing device assembly (17), for carrying out the roller coat pre-treatment to steel band;
The 3rd jockey pulley (7), for making the steel band even running through sided corona treatment;
Roll coating apparatus assembly (8), for carrying out roller coat to steel band;
Equipment for after-treatment assembly (18), for carrying out post processing to steel band after roller coat;
The 4th jockey pulley (9), for making the steel band even running through described roll coating apparatus assembly (8) roller coat;
Outlet looping (10), do not shut down when the blanking for guaranteeing process section;
The 5th jockey pulley (11), for making the steel band even running be wound around out from described outlet looping (10); And
Cutter (12), for shearing steel band to form color steel according to specific standard;
It is characterized in that: described roll coating apparatus assembly (8) comprises servo-control system, and described servo-control system comprises:
The PLC control module, there is collector, for gathering roller footpath and the process speed data of first each roller of roller coat unit, also there is calculator, for calculate 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 that will calculate exports respectively, also there is comparator;
The 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 according to described theoretical each roller of roll surface speed signal driver, described encoder is for gathering the actual roll surface speed of each roller, and export the actual roll surface speed signal of each roller to described PLC control module, so that the described comparator of described PLC control module drives the power frequency of the motor of each roller according to actual roll surface speed signal and the adjustment of theoretical roll surface speed signal, and then actual roll surface speed correction is extremely consistent with described theoretical roll surface speed, complete a roller coat transfer printing.
2. the production line of multi color effect roller coat color steel according to claim 1, it is characterized in that: the described collector of described PLC control module can also gather the range data between the first roller coat unit and the second roller coat unit, and described calculator can also calculate the time that starts the second roller coat unit according to process speed and described range data.
3. the production line of multi color effect roller coat color steel according to claim 2, it is characterized in that: also comprise the private mark identification module, decorative pattern after described private mark identification module collection printing, and identify and determine pattern dislocation distance by computer, thereby the process speed of corresponding roller coat unit is revised.
4. according to the production line of the described multi color effect roller coat of any one color steel in claim 1-3, it is characterized in that: described PLC control module is servomotor.
5. the production line of multi color effect roller coat color steel according to claim 4, it is characterized in that: described pre-processing device assembly (17) comprises for steel band being carried out to the Passivation Treatment equipment of Passivation Treatment.
6. the production line of multi color effect roller coat color steel according to claim 5, it is characterized in that: described equipment for after-treatment (18) comprises for spraying the flush coater of luminous paint.
7. the production line of multi color effect roller coat color steel according to claim 6, it is characterized in that: described roll coating apparatus assembly (8) comprises
Feeder apparatus (81), for providing coating;
Suction roller (82), its periphery is connected with described feeder apparatus (81), has a plurality of depressions that form image-region when filling with described coating on described periphery;
Rubber-coated roller (83), its periphery is connected with described suction roller (82), for accepting described coating at the upper image-region formed of described applicator roll (83), and described image-region is transferred on steel plate;
The first scraper (84), be arranged on the first scraper support, with special angle, with described suction roller (82), contacts, for the coating outside the described image-region that strikes off described suction roller (82); And
The second scraper (85), be arranged on the second scraper support, with special angle, with described applicator roll (82), contacts, for striking off remaining coating after the upper transfer printing of described rubber-coated roller (83).
8. the production line of multi color effect roller coat color steel according to claim 7, it is characterized in that: described the first scraper (84) contacts with described suction roller (82) with the angle that is less than 30 degree; Described the second scraper (85) contacts with described applicator roll (83) with the angle that is greater than 30 degree.
9. the production line of multi color effect roller coat color steel according to claim 8, it is characterized in that: described roll coating apparatus assembly (8) also comprises cleaning device (86), described cleaning device (86) comprises liquid supply box (861), for the cleaning fluid transfer pump (862) in the described liquid supply box of pumping (861), the cleaning fluid transfer canal (863) be communicated with described cleaning fluid transfer pump (862) and the shower (864) be communicated with described cleaning fluid transfer canal, described shower (864) is arranged on the axial top of described rubber-coated roller (83), there are several spray apertures (865) on described shower (864).
10. the production line of multi color effect roller coat color steel according to claim 9, it is characterized in that: described cleaning device (86) also comprises the cleaning fluid accumulator tank (866) that is arranged on described applicator roll (83) below, described cleaning fluid accumulator tank (866) connects a recovery channel (867), and described recovery channel (867) leads to described liquid supply box (861); Between described recovery channel (867) and described liquid supply box (861), a filter (868) is set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220626617 CN202965490U (en) | 2012-11-23 | 2012-11-23 | Production line of multicolor decorative pattern roller painting colorful steel plates |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220626617 CN202965490U (en) | 2012-11-23 | 2012-11-23 | Production line of multicolor decorative pattern roller painting colorful steel plates |
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| CN 201220626617 Withdrawn - After Issue CN202965490U (en) | 2012-11-23 | 2012-11-23 | Production line of multicolor decorative pattern roller painting colorful steel plates |
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| CN102975019A (en) * | 2012-11-23 | 2013-03-20 | 营口超烁图码科技板业有限公司 | Production line for roller-coated color steel plate |
| CN102990360A (en) * | 2012-11-23 | 2013-03-27 | 营口超烁图码科技板业有限公司 | Production line of multi-color patterned roller-coated steel plate |
| WO2014079214A1 (en) * | 2012-11-23 | 2014-05-30 | 辽宁超烁图码科技板业有限公司 | Method of producing variegated steel plate with multicoloured pattern |
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| WO2014079214A1 (en) * | 2012-11-23 | 2014-05-30 | 辽宁超烁图码科技板业有限公司 | Method of producing variegated steel plate with multicoloured pattern |
| CN102975019B (en) * | 2012-11-23 | 2015-12-02 | 辽宁超烁图码科技板业有限公司 | A kind of production line of roller coat color steel |
| CN102990360B (en) * | 2012-11-23 | 2015-12-30 | 辽宁超烁图码科技板业有限公司 | The production line of multi color effect roller coat color steel |
| WO2014146378A1 (en) * | 2013-03-19 | 2014-09-25 | 辽宁超烁图码科技板业有限公司 | Roller coating manufacturing method for patterned thermal insulation panel applicable in outer wall of building |
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| CN107571609A (en) * | 2017-09-15 | 2018-01-12 | 红岛实业（英德）有限公司 | A kind of method of polychrome roller coat panel production line and production polychrome roller coat sheet material |
| CN110328125A (en) * | 2019-06-14 | 2019-10-15 | 赛高粉末技术（滨州）有限公司 | The production method and stereo wood pattern process equipment of stereo wood pattern color coated steel sheet |
| CN110833984A (en) * | 2019-10-18 | 2020-02-25 | 合肥河钢新材料科技有限公司 | Multicolor board coating process |
| CN110841887A (en) * | 2019-10-18 | 2020-02-28 | 合肥河钢新材料科技有限公司 | Circulating roller coating process for multicolor plate |
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