The divisional application of the patent of " a kind of circular screen printer is to flower method of adjustment " that the present invention is application number is 2015100211223, the applying date, to be January 15, denomination of invention in 2015 be.
Background technology
In textile industry, in order to the textile of production is presented various riotous with colour pattern, with the esthetic requirement of consumer, need at the cloth of having weaved to stamp different customization patterns, the machine realizing this function is printing machine, and wherein, circular screen printer is the most conventional.
Circular screen printer, also known as Rotary Screen Printing Machine, it is a kind of screen printing machine carrying out stamp without seam cylinder screen using continuous rotary, vertical circular screen printer, horizontal circular screen printer and emanant circular screen printer can be divided into according to cylinder arrangement mode, use circular screen printer, first in advance at the pattern of the various needs of circle net answer system, afterwards can by the rolling of cylinder, with a circle for frequency, repeating to stamp above-mentioned pattern by pushing the cloth come, realizing predetermined printing quality.
But, in actual use, because the cylinder placing cylinder there will be the various skews such as horizontal level, lateral attitude, upper-lower position or diagonal position, depart from precalculated position, stamp is caused to occur error, there is no the decalcomania of standard, therefore need to address this problem flower measure accordingly.In prior art, be all carried out circular screen printer to flower adjustment by manual observation, artificial correction, automatization level is low, to flower effect inaccuracy.
Therefore, need a kind of circular screen printer to flower method of adjustment, the offset direction of cylinder automatically can be detected, and carry out the adjustment of corresponding position in time, reduce manual operation, improve circular screen printer to flower effect, ensure the quality to the textile after spending.
Summary of the invention
In order to solve the problem, the invention provides a kind of circular screen printer to flower method of adjustment, transform existing manually to flower adjustment modes, quote IMAQ and recognition technology to carry out detecting flower, and introduce the stamp offset direction that reference by location mechanism determines to occur deviation, to take corresponding measure to solve flower error, and, introducing Wireless Telecom Equipment and display device to ensure that stamp offset hints signal is while the display of this locality, can be the reception of telemanagement department and reference.
According to an aspect of the present invention, provide a kind of circular screen printer to flower method of adjustment, the method comprises the following steps: 1) provide a kind of circular screen printer to flower adjustment System, described adjustment System comprises electromechanical control equipment, template characteristic memory device, picture pick-up device, image processing equipment and single-chip microcomputer, described template characteristic memory device has prestored the template characteristic of each pattern of cylinder, described picture pick-up device is used for taking to generate textile image to the fabric after ROTARY SCREAM PRINTING, described image processing equipment is connected with described picture pick-up device, the recognition feature of each decalcomania in described textile image is identified based on image recognition technology, described single-chip microcomputer and described picture pick-up device, described image processing equipment is connected respectively with described electromechanical control equipment, the template characteristic of the recognition feature of each decalcomania described with each pattern described is mated respectively, and control described electromechanical control equipment adjustment cylinder position based on matching result, 2) described system is run.
More specifically, at described circular screen printer in flower adjustment System, also comprise: reference by location mechanism, be positioned at the near edge locations of cylinder, comprise cross bar and the montant of vertical placement, provide cylinder horizontal datum and cylinder vertical reference line respectively for the location for cylinder, power supply equipment, for described adjustment System provides the supply of electric power of each electrical equipment except power supply equipment, cylinder rotary speed detecting equipment, for detecting the velocity of rotation of cylinder in real time, WiFi communication interface, two-way WiFi data link is set up with the device management platform of far-end, for receiving the control instruction that described device management platform sends, described control instruction comprises starting to adjust orders and terminates adjustment order, also for transmitting wirelessly horizontal level conditioning signal, lateral attitude conditioning signal, upper-lower position conditioning signal or diagonal position conditioning signal, the template characteristic of each pattern that described template characteristic memory device prestores comprises the center relative cylinder horizontal datum of difference of each pattern and the transverse and longitudinal coordinate of cylinder vertical reference line, described picture pick-up device is connected with described cylinder rotary speed detecting equipment, the shooting interval time is calculated based on the predetermined length of a circle cylinder and the velocity of rotation of cylinder, based on described shooting interval time captured in real-time textile image, described textile image often to roll the image of fabric of a circle institute stamp for cylinder, further comprises the imaging of cylinder horizontal datum and cylinder vertical reference line in described textile image, described image processing equipment comprises image enhancing unit, gray processing processing unit, wavelet filtering unit, pattern recognition unit and pattern characteristics extraction unit, described image enhancing unit is connected with described picture pick-up device, to perform image enhancement processing to described textile image, export and strengthen image, described gray processing processing unit is connected with described image enhancing unit, image is strengthened with output gray level image described in gray processing process, described wavelet filtering unit is connected with described gray processing processing unit, to perform wavelet filtering process with output filtering image to described gray level image, described pattern recognition unit is connected with described wavelet filtering unit, so that the pixel identification of gray value in described filtering image between predetermined pattern upper limit gray threshold and predetermined pattern lower limit gray threshold is formed multiple decalcomania, and identify the cylinder horizontal datum photographed in described textile image and the cylinder vertical reference line photographed, described pattern characteristics extraction unit is connected with described pattern recognition unit, extract the recognition feature that each decalcomania is corresponding, the cylinder horizontal datum that the center that described recognition feature comprises decalcomania photographs respectively relatively and the transverse and longitudinal coordinate of cylinder vertical reference line photographed, described single-chip microcomputer is connected respectively with described template characteristic memory device and described image processing equipment, compared with the transverse and longitudinal coordinate that the transverse and longitudinal coordinate exported by described template characteristic memory device and described image processing equipment export, result sends cylinder position adjustments signal based on the comparison, and described cylinder position adjustments signal comprises horizontal level conditioning signal, lateral attitude conditioning signal, upper-lower position conditioning signal and diagonal position conditioning signal, described electromechanical control equipment is connected respectively with described single-chip microcomputer and described cylinder, based on the position of cylinder described in described cylinder position adjustments Signal Regulation, display device, is connected with described single-chip microcomputer, for the prompt text information that display is in real time corresponding respectively with described horizontal level conditioning signal, lateral attitude conditioning signal, upper-lower position conditioning signal or diagonal position conditioning signal, wherein, described single-chip microcomputer is also connected respectively with power supply equipment and WiFi communication interface, with when receiving startup adjustment order, control power supply equipment stops the power supply to described picture pick-up device, described cylinder rotary speed detecting equipment and described image processing equipment, and when receiving end adjustment order, control power supply equipment recovers the power supply to described picture pick-up device, described cylinder rotary speed detecting equipment and described image processing equipment, described predetermined pattern upper limit gray threshold and described predetermined pattern lower limit gray threshold are used for the pattern of the cylinder in image to separate with background.
More specifically, at described circular screen printer in flower adjustment System, described picture pick-up device and described image processing equipment are integrated on one piece of circuit board.
More specifically, at described circular screen printer in flower adjustment System, described image enhancing unit, described gray processing processing unit, described wavelet filtering unit, described pattern recognition unit and described pattern characteristics extraction unit adopt independently fpga chip to realize respectively.
More specifically, at described circular screen printer in flower adjustment System, the transmission direction of described picture pick-up device perpendicular to fabric is placed.
More specifically, at described circular screen printer in flower adjustment System, described display device is LCDs.
More specifically, at described circular screen printer in flower adjustment System, the velocity of rotation of described cylinder is the velocity of rotation reaching stamp 30-60 rice per minute.
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of circular screen printer of the present invention to flower adjustment System is described in detail.
Circular screen printer generally by entering cloth, stamp, dry, go out the devices such as cloth and form.The mechanical composition of emboss portions can be divided into stamp glue conduction band, cylinder drive unit, cylinder and doctor frame, to embossing device, the washing of rubber conduction band and windshield wiper device and cotton-printed and to stock pump system, general rolling cylinder speed is that 30-60 rice is per minute, can be used for the stamp of various fabric.
The advantage of circular screen printer stamp comprises: handling cylinder, to flower, to add slurry etc. easy to operate, cylinder is light and handy, labour intensity is low, output is high, chromatography is many, and, because stamp processing is carried out under no-station pole canopy, therefore be suitable for printing and hold yielding fabric and broad fabrics, without any need for lining cloth.
But, existing circular screen printer lacks stamp error detection mechanisms, the micro-judgment of on-the-spot operator can only be relied on whether to exist spending mistake and continuing to determine flower bias direction by rule of thumb to spending when mistake in existence, and adjustment is also complete in manual operations.
Circular screen printer of the present invention to flower adjustment System, by flower error detection, to flower bias direction detect and to flower adjustment all have employed whole-course automation electronic type means realize, the poor efficiency avoiding hand control to bring and error.
Fig. 1 is the circular screen printer that illustrates the according to an embodiment of the present invention block diagram to flower adjustment System, described adjustment System comprises: electromechanical control equipment 1, template characteristic memory device 2, reference by location mechanism 3, power supply equipment 4, display device 5, single-chip microcomputer 6, picture pick-up device 7, image processing equipment 8, cylinder rotary speed detecting equipment 9 and WiFi communication equipment 10, single-chip microcomputer 6 and electromechanical control equipment 1, template characteristic memory device 2, reference by location mechanism 3, power supply equipment 4, display device 5, picture pick-up device 7, image processing equipment 8, cylinder rotary speed detecting equipment 9 is connected respectively with WiFi communication equipment 10, picture pick-up device 7 is connected with image processing equipment 8.
Described template characteristic memory device 2 has prestored the template characteristic of each pattern of cylinder, described picture pick-up device 7 is for taking to generate textile image to the fabric after ROTARY SCREAM PRINTING, described image processing equipment 8 is connected with described picture pick-up device 7, the recognition feature of each decalcomania in described textile image is identified based on image recognition technology, the template characteristic of the recognition feature of each decalcomania described with each pattern described is mated by described single-chip microcomputer 6 respectively, and controls described electromechanical control equipment 1 based on matching result and adjust cylinder position.
Then, continue to be further detailed the concrete structure of circular screen printer of the present invention to flower adjustment System.
Described reference by location mechanism 3 is positioned at the near edge locations of cylinder, comprises cross bar and the montant of vertical placement, provides cylinder horizontal datum and cylinder vertical reference line respectively for the location for cylinder.
Described power supply equipment 4 provides the supply of electric power of each electrical equipment except power supply equipment 4 for described adjustment System.
Described cylinder rotary speed detecting equipment 9 is for detecting the velocity of rotation of cylinder in real time.
Described WiFi communication interface 10 sets up two-way WiFi data link with the device management platform of far-end, for receiving the control instruction that described device management platform sends, described control instruction comprises starting to adjust orders and terminates adjustment order, also for transmitting wirelessly horizontal level conditioning signal, lateral attitude conditioning signal, upper-lower position conditioning signal or diagonal position conditioning signal.
The template characteristic of each pattern that described template characteristic memory device 2 prestores comprises the center relative cylinder horizontal datum of difference of each pattern and the transverse and longitudinal coordinate of cylinder vertical reference line.
Described picture pick-up device 7 is also connected with described cylinder rotary speed detecting equipment 9, the shooting interval time is calculated based on the predetermined length of a circle cylinder and the velocity of rotation of cylinder, based on described shooting interval time captured in real-time textile image, described textile image often to roll the image of fabric of a circle institute stamp for cylinder, further comprises the imaging of cylinder horizontal datum and cylinder vertical reference line in described textile image.
Described image processing equipment 8 comprises image enhancing unit, gray processing processing unit, wavelet filtering unit, pattern recognition unit and pattern characteristics extraction unit, described image enhancing unit is connected with described picture pick-up device 7, to perform image enhancement processing to described textile image, export and strengthen image, described gray processing processing unit is connected with described image enhancing unit, image is strengthened with output gray level image described in gray processing process, described wavelet filtering unit is connected with described gray processing processing unit, to perform wavelet filtering process with output filtering image to described gray level image, described pattern recognition unit is connected with described wavelet filtering unit, so that the pixel identification of gray value in described filtering image between predetermined pattern upper limit gray threshold and predetermined pattern lower limit gray threshold is formed multiple decalcomania, and identify the cylinder horizontal datum photographed in described textile image and the cylinder vertical reference line photographed, described pattern characteristics extraction unit is connected with described pattern recognition unit, extract the recognition feature that each decalcomania is corresponding, the cylinder horizontal datum that the center that described recognition feature comprises decalcomania photographs respectively relatively and the transverse and longitudinal coordinate of cylinder vertical reference line photographed.
Described single-chip microcomputer 6 is connected respectively with described template characteristic memory device 2 and described image processing equipment 8, compared with the transverse and longitudinal coordinate that the transverse and longitudinal coordinate exported by described template characteristic memory device 2 and described image processing equipment 8 export, result sends cylinder position adjustments signal based on the comparison.
Described cylinder position adjustments signal comprises horizontal level conditioning signal, lateral attitude conditioning signal, upper-lower position conditioning signal and diagonal position conditioning signal.
Described electromechanical control equipment 1 is connected respectively with described single-chip microcomputer 6 and described cylinder, based on the position of cylinder described in described cylinder position adjustments Signal Regulation.
Described display device 5 is connected with described single-chip microcomputer 6, for the prompt text information that display is in real time corresponding respectively with described horizontal level conditioning signal, lateral attitude conditioning signal, upper-lower position conditioning signal or diagonal position conditioning signal.
Wherein, described single-chip microcomputer 6 is also connected respectively with power supply equipment 4 and WiFi communication interface 10, with when receiving startup adjustment order, control power supply equipment 4 stops the power supply to described picture pick-up device 7, described cylinder rotary speed detecting equipment 9 and described image processing equipment 8, and when receiving end adjustment order, control power supply equipment 4 recovers the power supply to described picture pick-up device 7, described cylinder rotary speed detecting equipment 9 and described image processing equipment 8; Described predetermined pattern upper limit gray threshold and described predetermined pattern lower limit gray threshold are used for the pattern of the cylinder in image to separate with background.
Wherein, in described adjustment System, can described picture pick-up device 7 and described image processing equipment 8 be integrated on one piece of circuit board, described image enhancing unit, described gray processing processing unit, described wavelet filtering unit, described pattern recognition unit and described pattern characteristics extraction unit can adopt independently fpga chip to realize respectively, the transmission direction of described picture pick-up device 7 perpendicular to fabric can be placed, described display device is chosen as LCDs, and the velocity of rotation of described cylinder is chosen as the velocity of rotation reaching stamp 30-60 rice per minute.
In addition, printing cylinder is obtained by system net of taking a picture on the nickel screen of coating photoresists, and the mill base usually for meticulous style should select high order number nickel screen, otherwise, low mesh number nickel screen should be selected.Printing cylinder generally has enough intensity, elasticity, ductility and chemical stability, can ensure that he can bear certain pressure, on-streamly not to deform, the acid and alkali corrosion be convenient in net off-grid processed and ability mill base.
In addition, circular screen printer also comprises multiple Pulp scraping device: scraper Pulp scraping device, bar magnet Pulp scraping device and mixed type Pulp scraping device etc.Scraper Pulp scraping device is the squeezing action by scraper and cylinder, and make mill base print on fabric through the mesh biography of cylinder, its general principle scrapes combination, to press.Bar magnet Pulp scraping device relies on the attraction of the electromagnet below the bar magnet that rolls in cylinder and cylinder under glue blanket, evenly extrudes the mill base in netting through mesh, is transferred on fabric.Mixed type Pulp scraping device adopt be scraper scrape slurry and bar magnet scrape starch combine scrape slurry form.
Adopt circular screen printer of the present invention to flower adjustment System, lack for existing circular screen printer and effectively the insecure technical problem of quality of textile products is caused to flower separate-blas estimation Regulation mechanism, introduce reference by location mechanism and provide reference position for cylinder, introducing the IMAQ recognition technology with certain accuracy of detection completes flower detection in real time, and concrete deviating cause can be pointed out, be convenient to electromechanical equipment and adjust cylinder position in time, realize efficient, the automation efficiently of circular screen printer to flower.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.