CN105882129A - Printing mechanism achieving synchronous digital printing and rotary screen printing and printing method - Google Patents
Printing mechanism achieving synchronous digital printing and rotary screen printing and printing method Download PDFInfo
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- CN105882129A CN105882129A CN201610385656.9A CN201610385656A CN105882129A CN 105882129 A CN105882129 A CN 105882129A CN 201610385656 A CN201610385656 A CN 201610385656A CN 105882129 A CN105882129 A CN 105882129A
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- printing
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- digit printing
- rotary scream
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4078—Printing on textile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
- B41F19/007—Apparatus or machines for carrying out printing operations combined with other operations with selective printing mechanisms, e.g. ink-jet or thermal printers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0804—Machines for printing sheets
- B41F15/0809—Machines for printing sheets with cylindrical or belt-like screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0831—Machines for printing webs
- B41F15/0836—Machines for printing webs by means of cylindrical screens or screens in the form of endless belts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/30—Ink jet printing
Abstract
The invention relates to a printing mechanism achieving synchronous digital printing and rotary screen printing and a printing method. A printing method for effectively combining digital printing and rotary screen printing to finish synchronous overprinting is hardly achieved at present. The printing method comprises the following steps that firstly, a rotary screen conducts printing on a printed fabric, and a screen printing pattern is formed; secondly, feature points are assigned on the screen printing pattern, feature points in a front rotary screen circumference and a rear rotary screen circumference are shot through a front camera, and the deviation value of the rotary screen is obtained; thirdly, the digital printing pattern is subjected to corresponding zooming operation according to the deviation value of the rotary screen, and after digital printing, a combined printing pattern is formed on the printed fabric; and fourthly, corresponding feature points of the combined printing pattern or corresponding feature points of the screen printing pattern and the digital printing pattern are shot through a rear camera, whether deviation exists between digital printing and rotary screen printing or not is detected, and whether an accurate overprinting effect is completely achieved or not is judged. According to the printing mechanism and the printing method, respective advantages of digital printing and rotary screen printing are truly and effectively combined.
Description
Technical field
The present invention relates to a kind of printing machine frame and printing method, especially relate to a kind of digit printing printing machine frame Tong Bu with ROTARY SCREAM PRINTING and printing method.
Background technology
Current digit printing has obvious advantage than traditional ROTARY SCREAM PRINTING in stamp multiformity, when such as one image has more than 10 kinds colors, the cylinder that tradition ROTARY SCREAM PRINTING needs are more than 10 carries out chromatography just can be completed, and digit printing has only to simply image be imported software and directly prints.Machining accuracy and the duty of the shower nozzle itself used yet with digit printing have small difference, and these small differences are easy for causing aberration on the pattern printing full background color, and tradition ROTARY SCREAM PRINTING is when the full background color pattern of print, Difference Control can be made relatively good, and the color of the background color printed off is more bright-coloured.Now with the technology that digit printing is combined with ROTARY SCREAM PRINTING, as publication date is December in 2014 24, in the Chinese patent of Publication No. CN204037030U, disclose a kind of cylinder for printing in textiles and digital ink-jet mixing printing machine, although this printing machine integrates ROTARY SCREAM PRINTING and digital ink-jet printed function, flower pattern can be met complicated, the printing and dyeing operation of style variation goods, and the printing and dyeing cycle is short, but this printing machine is only simply by ROTARY SCREAM PRINTING with digital ink-jet printed combine, ROTARY SCREAM PRINTING and digital ink-jet printed synchronization scenario are not proposed, ROTARY SCREAM PRINTING and digital ink-jet printed perfect adaptation cannot be realized, let alone both accurate overprintings.To sum up, the most also it is difficult to the real effective respective Dominant Facies by digit printing and tradition ROTARY SCREAM PRINTING combine.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency present in prior art, and provide a kind of and real effectively the respective Dominant Facies of digit printing and tradition ROTARY SCREAM PRINTING is combined, printing machine frame that digit printing that chromatography accuracy is high is Tong Bu with ROTARY SCREAM PRINTING and printing method.
nullThe present invention solves the problems referred to above and be the technical scheme is that this digit printing printing machine frame Tong Bu with ROTARY SCREAM PRINTING includes digit printing device、ROTARY SCREAM PRINTING device and the winding/unwinding device of stamp medium，Its construction features is: described digit printing device is the continuous way digit printing device that guide belt transmits stamp medium，Digit printing device and ROTARY SCREAM PRINTING device share same conduction band，The described digit printing printing machine frame Tong Bu with ROTARY SCREAM PRINTING also includes the Front camera for shooting screen pattern after ROTARY SCREAM PRINTING and the rearmounted camera for shooting combination decalcomania after ROTARY SCREAM PRINTING and digit printing，Described ROTARY SCREAM PRINTING device、Front camera、Digit printing device and rearmounted camera are respectively positioned on the top of conduction band，This ROTARY SCREAM PRINTING device、Front camera、Digit printing device and rearmounted camera are arranged in order along the conveying direction of conduction band.
As preferably, printing machine frame of the present invention also includes the image detection control unit for being analyzed the image captured by Front camera and rearmounted camera and compare.
As preferably, the slide block on Front camera of the present invention and a crossbeam being arranged on above conduction band connects, for Front camera is positioned at any position of stamp breadth.
As preferably, the slide block that rearmounted camera of the present invention is arranged on the crossbeam above conduction band with another root is connected, for rearmounted camera is positioned at any position of stamp breadth.
The printing method that a kind of digit printing is Tong Bu with ROTARY SCREAM PRINTING, its feature is: the step of described printing method is as follows:
(1) preparation is used to have the cylinder of design to carry out printing operations on fabric to be printed so that on fabric to be printed, to form corresponding screen pattern；
(2) the most recognizable position specific characteristic point of the screen pattern on PRINTED FABRIC, use the described characteristic point during former and later two are spent back on Front camera shooting PRINTED FABRIC, determine the actual size spent back of cylinder between these adjacent two characteristic points, and the flower of this actual value spent back and digital flower pattern is returned value compare, draw the deviation value of cylinder；
(3) corresponding zoom operations is carried out according to the pattern of the deviation value logarithmic code stamp of cylinder, error is returned with the flower between digit printing and ROTARY SCREAM PRINTING that elimination causes due to the deviation value of cylinder, when digit printing, the digit printing pattern of spray printing and screen pattern phase chromatography on PRINTED FABRIC, screen pattern and digital decalcomania composition combination decalcomania；
(4) the combination decalcomania on rearmounted camera shooting PRINTED FABRIC or shooting screen pattern and the characteristic of correspondence point of digit printing pattern are used, chromatography deviation whether is there is between detection digit printing and ROTARY SCREAM PRINTING, whether there is chromatography deviation to refer to i.e. combine whether decalcomania exists double exposure or show money or valuables one carries unintentionally, or whether two characteristic points overlap, if there is not chromatography deviation, i.e. combine decalcomania not double exposure or show money or valuables one carries unintentionally, or two characteristic points are completely superposed or essentially coincide, then represent the effect having reached accurate overprinting between digital pattern and screen pattern, now without the pattern of digit printing to be carried out being carried out the adjustment operation of digit printing position；If there is chromatography deviation in the combination decalcomania of reality, i.e. combination decalcomania produces double exposure or shows money or valuables one carries unintentionally, or two characteristic points are misaligned, then according to deviation value, the pattern of digit printing to be carried out carried out the automatic or manual of corresponding digit printing position and adjust operation, to realize the purpose of accurate overprinting between digital pattern and the screen pattern of spray printing.
So that the present invention can effectively guarantee the accurate overprinting between digit printing pattern and ROTARY SCREAM PRINTING pattern, by the monitoring of the position of characteristic point is judged whether cylinder creates deviation at this Hua Huizhong, if when ROTARY SCREAM PRINTING pattern produces deviation in this is spent back, digit printing pattern can be adjusted correspondingly according to the deviation of ROTARY SCREAM PRINTING pattern, to guarantee to return middle accurate overprinting between digit printing pattern and ROTARY SCREAM PRINTING pattern at this flower；And after the chromatography between digit printing pattern and ROTARY SCREAM PRINTING pattern terminates, again by the monitoring of decalcomania being judged the chromatography degree of accuracy between ROTARY SCREAM PRINTING pattern and digital decalcomania, if there is deviation between the decalcomania monitored and standard pattern, then the pattern of digit printing to be carried out is finely tuned operation accordingly, finally guarantee complete accurate overprinting between digital pattern and the flower pattern of spray printing next time, be really achieved the purpose synchronizing chromatography.
As preferably, in step of the present invention (2), described characteristic point is the central point of arbitrary flower pattern, top edge, lower limb or be prone to other any feature points shot with video-corder by camera in screen pattern.
As preferably, in step of the present invention (4), the characteristic point of described digit printing pattern is the most corresponding with the characteristic point of screen pattern in position.
As preferably, the pattern of digit printing of the present invention is gone out by digit printing control unit spray printing, and described digit printing control unit carries out the zoom operations on conduction band direct of travel according to the pattern of the actual size logarithmic code stamp that one flower of the cylinder detected returns every time.
As preferably, the image captured by Front camera of the present invention and rearmounted camera is all analyzed by image detection control unit and compares.
As preferably, the circulation of step of the present invention (1) to step (4) is carried out, to eliminate the produced cumulative error of ROTARY SCREAM PRINTING operation and the chromatography error with digit printing.
As preferably, background color or the easy cylinder used in the flower pattern of wire mark, pattern employing step (1) on PRINTED FABRIC of the present invention are prepared corresponding cylinder pattern and are printed, and pattern fine on PRINTED FABRIC or the digit printing being difficult in the use flower pattern of wire mark, pattern employing step (3) carry out spray printing.
As preferably, the present invention is before one flower of beginning spray printing is returned pattern by digit printing, by two characteristic points before and after Front camera collection screen pattern, the flower of detection screen pattern returns error, and feed back to digit printing control unit, adjust digit printing pattern in real time, then carry out digit printing chromatography.
As preferably, the present invention is during digit printing chromatography, spend back by the adjacent feature point of Front camera collection screen pattern every n, the flower of detection screen pattern returns error, feed back to digit printing control unit, every n flower readjustment integer code decalcomania, eliminating and spend back cumulative error laggard row digit printing chromatography, n is 1～100.
As preferably, the present invention is after each digit printing chromatography, rearmounted collected by camera combines decalcomania or shooting screen pattern and the characteristic of correspondence point of digit printing pattern, chromatography deviation whether is there is between detection digit printing and ROTARY SCREAM PRINTING, and feed back to digit printing control unit, adjust digit printing location parameter in real time, it is achieved accurate overprinting.
As preferably, the present invention is after each digit printing chromatography, the characteristic of correspondence point adjacent by rearmounted collected by camera combination decalcomania or shooting screen pattern and digit printing pattern is returned every N number of flower, chromatography deviation whether is there is between detection digit printing and ROTARY SCREAM PRINTING, and feed back to digit printing control unit, adjust digit printing location parameter, it is achieved basic accurate overprinting, N is 1～100.
The present invention compared with prior art, has the following advantages and effect: printing method can realize ROTARY SCREAM PRINTING and digital ink-jet printed perfect adaptation, it is achieved both accurate overprintings.Printing method can not only be adjusted correspondingly according to the cylinder error logarithmic code stamp that monitoring obtains, to realize the accurate overprinting of digit printing and ROTARY SCREAM PRINTING, by fully aligned to flower pattern and digital pattern, and can the chromatography effect of logarithmic code decalcomania and ROTARY SCREAM PRINTING pattern be monitored, i.e. use the decalcomania on rearmounted camera shooting PRINTED FABRIC, and the decalcomania of this reality is compared with standard pattern, can learn and whether there is deviation between digit printing and ROTARY SCREAM PRINTING, and according to chromatography effect, digit printing pattern next time is finely adjusted, to guarantee digit printing pattern and the accurate overprinting of ROTARY SCREAM PRINTING pattern next time, more fully aligned.The present invention passes through double monitoring and adjustment, the significantly more efficient accurate overprinting guaranteed between digit printing pattern and ROTARY SCREAM PRINTING pattern, is really achieved between ROTARY SCREAM PRINTING and digit printing the purpose synchronizing chromatography.The present invention combines digit printing and the respective advantage of tradition ROTARY SCREAM PRINTING, uses traditional round wire mark background color, uses the part that digit printing print pattern is complicated and fine, synchronizes chromatography by both and complete stamp.
The simple in construction of printing machine frame, reasonable in design, it is possible to real effectively by the respective Dominant Facies combination of digit printing and tradition ROTARY SCREAM PRINTING, the chromatography accuracy between digit printing and ROTARY SCREAM PRINTING is high, is conducive to improving the quality of Printing.
Accompanying drawing explanation
Fig. 1 is the schematic diagram between the digit printing control unit in the embodiment of the present invention and image detection control unit.
Fig. 2 is the sample in the embodiment of the present invention after cylinder blotch printing, arbitrarily selects one section of background color and is left white, can gather out edge, as characteristic quantity.
Fig. 3 is the pattern of the rearmounted collected by camera in the embodiment of the present invention, based on the comparison of standard flower pattern, can learn digital with the deviation value of cylinder.
Fig. 4 is the structural representation of the printing machine frame Tong Bu with ROTARY SCREAM PRINTING of the digit printing in the embodiment of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are explanation of the invention and the invention is not limited in following example.
Embodiment.
See Fig. 1 to Fig. 4, digit printing in the present embodiment printing machine frame Tong Bu with ROTARY SCREAM PRINTING includes digit printing device 5, ROTARY SCREAM PRINTING device 3, the winding/unwinding device of stamp medium, for the Front camera 1 of shooting screen pattern after ROTARY SCREAM PRINTING, and the rearmounted camera 2 for shooting combination decalcomania after ROTARY SCREAM PRINTING and digit printing.
Digit printing device 5 in the present embodiment transmits the continuous way digit printing device 5 of stamp medium for guide belt, digit printing device 5 and ROTARY SCREAM PRINTING device 3 share same conduction band 4, ROTARY SCREAM PRINTING device 3, Front camera 1, digit printing device 5 and rearmounted camera 2 are respectively positioned on the top of conduction band 4, and this ROTARY SCREAM PRINTING device 3, Front camera 1, digit printing device 5 and rearmounted camera 2 are arranged in order along the conveying direction of conduction band 4.
Printing machine frame in the present embodiment could be included for the image detection control unit being analyzed the image captured by Front camera 1 and rearmounted camera 2 and comparing.Front camera 1 can be connected with the slide block on a crossbeam being arranged on above conduction band 4, for Front camera 1 is positioned at any position of stamp breadth.The slide block that rearmounted camera 2 can be arranged on another root on the crossbeam above conduction band 4 is connected, for rearmounted camera 2 is positioned at any position of stamp breadth.
The step of the printing method that digit printing in the present embodiment is Tong Bu with ROTARY SCREAM PRINTING is as follows.
(1) preparation is used to have the cylinder of design to carry out printing operations on fabric to be printed so that on fabric to be printed, to form corresponding screen pattern.
(2) the most recognizable position specific characteristic point of the screen pattern on PRINTED FABRIC, Front camera 1 is used to shoot the characteristic point during former and later two are spent back on PRINTED FABRIC, determine the actual size spent back of cylinder between these adjacent two characteristic points, and the flower of this actual value spent back and digital flower pattern is returned value compare, draw the deviation value of cylinder.Characteristic point can be the central point of arbitrary flower pattern, top edge, lower limb or be prone to other any feature points shot with video-corder by camera in screen pattern.Such as shown in Fig. 2, can arbitrarily select one section of background color and be left white as characteristic point in the flower pattern of PRINTED FABRIC, edge can be gathered out as characteristic quantity, measure the length between the characteristic point during former and later two are spent back, be left white and carry out digit printing for follow-up.
(3) corresponding zoom operations is carried out according to the pattern of the deviation value logarithmic code stamp of cylinder, error is returned with the flower between digit printing and ROTARY SCREAM PRINTING that elimination causes due to the deviation value of cylinder, when digit printing, the digit printing pattern of spray printing and screen pattern phase chromatography on PRINTED FABRIC, screen pattern and digital decalcomania composition combination decalcomania.
(4) rearmounted camera 2 is used to shoot combining decalcomania or shooting screen pattern and the characteristic of correspondence point of digit printing pattern on PRINTED FABRIC, chromatography deviation whether is there is between detection digit printing and ROTARY SCREAM PRINTING, whether there is chromatography deviation to refer to combine decalcomania whether double exposure or show money or valuables one carries unintentionally, or whether two characteristic points overlap, if there is not chromatography deviation, i.e. combine decalcomania not double exposure or show money or valuables one carries unintentionally, or two characteristic points are completely superposed or essentially coincide, then represent the effect having reached accurate overprinting between digital pattern and screen pattern, now without the pattern of digit printing to be carried out being carried out the adjustment operation of digit printing position；If there is chromatography deviation in the combination decalcomania of reality, i.e. combination decalcomania produces double exposure or shows money or valuables one carries unintentionally, or two characteristic points are misaligned, then according to deviation value, the pattern of digit printing to be carried out is carried out corresponding digit printing position and automatically adjust operation, to realize the purpose of accurate overprinting between digital pattern and the screen pattern of spray printing, digit printing position is automatically adjusted operation and can be realized by software, and this is easily to realize to those skilled in the art.Such as shown in Fig. 3, use rearmounted camera 22 to shoot the position at characteristic point place on decalcomania, and the actual decalcomania of this position is compared with standard pattern, can learn whether there is deviation between digit printing and cylinder 3 stamp.
In the step (4) of the present embodiment, the characteristic point of digit printing pattern in position can be the most corresponding with the characteristic point of screen pattern.The pattern of digit printing is gone out by digit printing control unit spray printing, and digit printing control unit can carry out the zoom operations on conduction band 4 direct of travel according to the pattern of the actual size logarithmic code stamp that one flower of the cylinder detected returns every time.
Image captured by the Front camera 1 of the present embodiment and rearmounted camera 2 all can be analyzed by image detection control unit and compare.Step (1) can circulate to step (4) and carry out, to eliminate the produced cumulative error of ROTARY SCREAM PRINTING operation and the chromatography error with digit printing.
Background color on PRINTED FABRIC or easily use the flower pattern of wire mark, pattern that the cylinder in step (1) can be used to prepare corresponding cylinder pattern to print in the present embodiment, pattern fine on PRINTED FABRIC or be difficult to use the flower pattern of wire mark, pattern that the digit printing in step (3) can be used to carry out spray printing.
The present embodiment is before one flower of beginning spray printing is returned pattern by digit printing, being gathered two characteristic points before and after screen pattern by Front camera 1, the flower of detection screen pattern returns error, and feeds back to digit printing control unit, adjust digit printing pattern in real time, then carry out digit printing chromatography.During digit printing chromatography, spend back every n and gathered the adjacent feature point of screen pattern by Front camera 1, the flower of detection screen pattern returns error, feed back to digit printing control unit, every n flower readjustment integer code decalcomania, eliminating and spend back cumulative error laggard row digit printing chromatography, n is 1～100.
The present embodiment is after each digit printing chromatography, rearmounted camera 2 gathers combination decalcomania or shooting screen pattern and the characteristic of correspondence point of digit printing pattern, chromatography deviation whether is there is between detection digit printing and ROTARY SCREAM PRINTING, and feed back to digit printing control unit, adjust digit printing location parameter in real time, it is achieved accurate overprinting.After each digit printing chromatography, return every N number of flower and gathered combination decalcomania or shooting screen pattern and the adjacent characteristic of correspondence point of digit printing pattern by rearmounted camera 2, chromatography deviation whether is there is between detection digit printing and ROTARY SCREAM PRINTING, and feed back to digit printing control unit, adjust digit printing location parameter, realizing basic accurate overprinting, N is 1～100.
Digit printing control unit in Fig. 1: control digital C, M, Y, K spray printing, interacted by network service with image detecting and controlling system, the size returned according to one stamp of the cylinder detected every time carries out the zoom operations in conduction band 4 direction to image.Image detection control unit in Fig. 1: obtain Front camera 1 and the image of rearmounted camera 2 shooting, image is analyzed, interacts with digit printing control unit.
The flow process of the printing method that digit printing is Tong Bu with ROTARY SCREAM PRINTING can be as follows.
Flow process 1: the information of digit printing control unit is sent to image detection control unit by initial starting state, and Front camera 1 is entered acquisition state.
Flow process 2: the actual size that one stamp of the cylinder detected by image detecting element returns is sent to digit printing control unit.
Flow process 3: after being started by digit printing, start that one flower of spray printing returns tactile signals to Front camera 1 pick-up pattern every time.
Flow process 4: after being started by digit printing, start that one flower of spray printing returns tactile signals to rearmounted camera 2 pick-up pattern every time.
Flow process 5: the pattern that Front camera 1 shoots is issued image detecting element.
Flow process 6: the pattern that rearmounted camera 2 shoots is issued image detecting element.
Digit printing control unit, the length information for each operation is known, so the image that Front camera 1 is obtained by twice triggering shooting calculates deviation value, it is possible to draw the actual size of cylinder.According to the actual size of cylinder, this value is sent to digit printing control unit, current operation is zoomed in and out so that cylinder chromatography is accurate, cumulative error can be eliminated the most every time, accomplish to synchronize.In order to enable to react more accurately the accuracy of chromatography, the result of chromatography is shot out by rearmounted camera 2, after triggering every time, the image collected, then it is analyzed, calculate the deviation between cylinder and number, it is finely adjusted by digit printing control unit the most again, the calculating deviation so occurred due to each side factor in the middle of acceleration and deceleration, can be finely adjusted by the testing result of camera, thus in the case of accomplishing acceleration and deceleration, also can guarantee that the accuracy of chromatography.
In addition; it should be noted that; described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art; without departing from the structure of the present invention or surmount scope defined in the claims, protection scope of the present invention all should be belonged to.
Claims (15)
1. the printing machine frame that a digit printing is Tong Bu with ROTARY SCREAM PRINTING, including digit printing device, ROTARY SCREAM PRINTING device and the winding/unwinding device of stamp medium, it is characterized in that: described digit printing device is the continuous way digit printing device that guide belt transmits stamp medium, digit printing device and ROTARY SCREAM PRINTING device share same conduction band, the described digit printing printing machine frame Tong Bu with ROTARY SCREAM PRINTING also includes the Front camera for shooting screen pattern after ROTARY SCREAM PRINTING and the rearmounted camera for shooting combination decalcomania after ROTARY SCREAM PRINTING and digit printing, described ROTARY SCREAM PRINTING device, Front camera, digit printing device and rearmounted camera are respectively positioned on the top of conduction band, this ROTARY SCREAM PRINTING device, Front camera, digit printing device and rearmounted camera are arranged in order along the conveying direction of conduction band.
The printing machine frame that digit printing the most according to claim 1 is Tong Bu with ROTARY SCREAM PRINTING, it is characterised in that: described printing machine frame also includes the image detection control unit for being analyzed the image captured by Front camera and rearmounted camera and compare.
The printing machine frame that digit printing the most according to claim 1 is Tong Bu with ROTARY SCREAM PRINTING, it is characterised in that: the slide block on described Front camera and a crossbeam being arranged on above conduction band connects, for Front camera is positioned at any position of stamp breadth.
The printing machine frame that digit printing the most according to claim 1 is Tong Bu with ROTARY SCREAM PRINTING, it is characterised in that: the slide block that described rearmounted camera is arranged on the crossbeam above conduction band with another root is connected, for rearmounted camera is positioned at any position of stamp breadth.
5. the printing method that a digit printing is Tong Bu with ROTARY SCREAM PRINTING, it is characterised in that: the step of described printing method is as follows:
(1) preparation is used to have the cylinder of design to carry out printing operations on fabric to be printed so that on fabric to be printed, to form corresponding screen pattern；
(2) the most recognizable position specific characteristic point of the screen pattern on PRINTED FABRIC, use the described characteristic point during former and later two are spent back on Front camera shooting PRINTED FABRIC, determine the actual size spent back of cylinder between these adjacent two characteristic points, and the flower of this actual value spent back and digital flower pattern is returned value compare, draw the deviation value of cylinder；
(3) corresponding zoom operations is carried out according to the pattern of the deviation value logarithmic code stamp of cylinder, error is returned with the flower between digit printing and ROTARY SCREAM PRINTING that elimination causes due to the deviation value of cylinder, when digit printing, the digit printing pattern of spray printing and screen pattern phase chromatography on PRINTED FABRIC, screen pattern and digital decalcomania composition combination decalcomania；
(4) the combination decalcomania on rearmounted camera shooting PRINTED FABRIC or shooting screen pattern and the characteristic of correspondence point of digit printing pattern are used, chromatography deviation whether is there is between detection digit printing and ROTARY SCREAM PRINTING, whether i.e. combination decalcomania exists double exposure or shows money or valuables one carries unintentionally, or whether two characteristic points overlap, if there is not chromatography deviation, i.e. combine decalcomania not double exposure or show money or valuables one carries unintentionally, or two characteristic points are completely superposed or essentially coincide, then represent the effect having reached accurate overprinting between digital pattern and screen pattern, now without the pattern of digit printing to be carried out being carried out the adjustment operation of digit printing position；If there is chromatography deviation in the combination decalcomania of reality, i.e. combination decalcomania produces double exposure or shows money or valuables one carries unintentionally, or two characteristic points are misaligned, then according to deviation value, the pattern of digit printing to be carried out carried out the automatic or manual of corresponding digit printing position and adjust operation, to realize the purpose of accurate overprinting between digital pattern and the screen pattern of spray printing.
The printing method that digit printing the most according to claim 5 is Tong Bu with ROTARY SCREAM PRINTING, it is characterized in that: in described step (2), described characteristic point is the central point of arbitrary flower pattern, top edge, lower limb or be prone to other any feature points shot with video-corder by camera in screen pattern.
7. according to the printing method that the digit printing described in claim 5 or 6 is Tong Bu with ROTARY SCREAM PRINTING, it is characterised in that: in described step (4), the characteristic point of described digit printing pattern is the most corresponding with the characteristic point of screen pattern in position.
The printing method that digit printing the most according to claim 5 is Tong Bu with ROTARY SCREAM PRINTING, it is characterized in that: the pattern of digit printing is gone out by digit printing control unit spray printing, and described digit printing control unit carries out the zoom operations on conduction band direct of travel according to the pattern of the actual size logarithmic code stamp that one flower of the cylinder detected returns every time.
The printing method that digit printing the most according to claim 5 is Tong Bu with ROTARY SCREAM PRINTING, it is characterised in that: the image captured by described Front camera and rearmounted camera is all analyzed by image detection control unit and compares.
The printing method that digit printing the most according to claim 5 is Tong Bu with ROTARY SCREAM PRINTING, it is characterised in that: the circulation of described step (1) to step (4) is carried out, to eliminate the produced cumulative error of ROTARY SCREAM PRINTING operation and the chromatography error with digit printing.
The printing method that 11. digit printings according to claim 5 are Tong Bu with ROTARY SCREAM PRINTING, it is characterized in that: background color or the easy cylinder used in the flower pattern of wire mark, pattern employing step (1) on PRINTED FABRIC are prepared corresponding cylinder pattern and printed, and pattern fine on PRINTED FABRIC or the digit printing being difficult in the use flower pattern of wire mark, pattern employing step (3) carry out spray printing.
The printing method that 12. digit printings according to claim 5 are Tong Bu with ROTARY SCREAM PRINTING, it is characterized in that: before one flower of beginning spray printing is returned pattern by digit printing, by two characteristic points before and after Front camera collection screen pattern, the flower of detection screen pattern returns error, and feed back to digit printing control unit, adjust digit printing pattern in real time, then carry out digit printing chromatography.
13. according to the printing method Tong Bu with ROTARY SCREAM PRINTING of the digit printing described in claim 5 or 12, it is characterized in that: during digit printing chromatography, spend back by the adjacent feature point of Front camera collection screen pattern every n, the flower of detection screen pattern returns error, feed back to digit printing control unit, every n flower readjustment integer code decalcomania, eliminating and spend back cumulative error laggard row digit printing chromatography, n is 1～100.
The printing method that 14. digit printings according to claim 5 are Tong Bu with ROTARY SCREAM PRINTING, it is characterized in that: after each digit printing chromatography, rearmounted collected by camera combines decalcomania or shooting screen pattern and the characteristic of correspondence point of digit printing pattern, chromatography deviation whether is there is between detection digit printing and ROTARY SCREAM PRINTING, and feed back to digit printing control unit, adjust digit printing location parameter in real time, it is achieved accurate overprinting.
15. according to the printing method Tong Bu with ROTARY SCREAM PRINTING of the digit printing described in claim 5 or 14, it is characterized in that: after each digit printing chromatography, the characteristic of correspondence point adjacent by rearmounted collected by camera combination decalcomania or shooting screen pattern and digit printing pattern is returned every N number of flower, chromatography deviation whether is there is between detection digit printing and ROTARY SCREAM PRINTING, and feed back to digit printing control unit, adjust digit printing location parameter, it is achieved basic accurate overprinting, N is 1～100.
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| CN108016127A (en) * | 2017-12-01 | 2018-05-11 | 杭州宏华数码科技股份有限公司 | The chromatography error compensating method of rotary scream printing and digit printing combined unit |
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