Summary of the invention
The objective of the invention is to design a kind of dyes color scraping color, with the raising testing accuracy, and handled easily.
According to technical scheme provided by the invention, side in frame is installed rotating printing roller, opposite side is installed and to be used to the travel mechanism that makes rotating cylinder be adjacent to printing roller or leave printing roller, on cylinder, be provided for the fixedly fixed mechanism of calico paper, on being provided for to the textured surface of printing roller on the frame on printing roller next door dyestuff on dyestuff mechanism, when being provided with between cylinder and the frame when roller shifting, the guiding mechanism that cylinder is led.
On near the frame the printing roller, be provided for striking off the printing roller surface excess dyestuff scrape dye device.In travel mechanism, an end of cylinder body is articulated on the frame, and the piston rod of cylinder body is connected with the rotating shaft of cylinder.In fixed mechanism, rotating tight paper bowl is installed on the cylinder, is provided for the tight paper groove of clamping calico paper on tight paper bowl.Groove is set on cylinder, and tight paper bowl has two, lays respectively in the groove.
In last dyestuff mechanism, the slurry basin is positioned at the below of printing roller, and the downside of printing roller extends in the slurry basin.Below the slurry basin, be provided for the elevating mechanism of lifting slurry basin.In scraping dye device, an end of swing arm is connected with the axis of swing on being installed on frame, and the other end of swing arm is installed scraper, and the blade of this scraper can contact with the surface of printing roller.
Advantage of the present invention is:
1, with scrape look rod contrast
Scrape the look rod and be on the metal bar around on the tinsel of standard thickness, simulation intaglio printing plate roller adopts manual method to scrape look.By going out the performance that the sample analysis obtains relevant dyestuff: (1), coloured light; (2), weight; (3), the dyestuff remnants of calico paper 21; The usability (denseness, viscosity, rate of drying) of dyestuff when (4), simulation is produced.Dyes color scraping color of the present invention is the steady pattern and the drum pressure typography consistent with actual production of the electronic engraving version utilization electronic engraving of employing standard.Because adjustable in pressure joint, and the 7200mm/min of speed for fixing through going out sample, embody some characteristics of dyestuff.Because dyes color scraping color is to adopt the electronic engraving version, consistent with actual production, squeegee pressure is relatively stable, so avoided because of scraping the artificial unstable situation that the look rod relies on manual operations to cause.
2, compare with the dyestuff fineness gauge
The fineness of dyestuff can have influence on the color development rate of dyestuff, homogeneity.The dyestuff fineness gauge is the instrument that the grain fineness to dyestuff detects.The surface of dyestuff fineness gauge has from dark to shallow groove, and dyestuff is placed in the groove, scrapes with the craft of standard scraper.Method with inscription rubbing goes out sample then, analyzes.Standard electronic cut of the present invention is the electronic engraving site by from deep to shallow, embodies the fineness situation of dyestuff.Its principle is with to scrape edition fineness gauge consistent, but because be to have adopted electronic at the uniform velocity printing, so consistent with actual production, avoided changing because of manual front and back of bringing.
In addition, the electronic engraving version that dyes color scraping color of the present invention adopts, be carved with different lines (negative and positive), the special pattern of depth transition, and adopt different dye formulations, process conditions such as the replacing of calico paper change, and the performance (viscosity, denseness, rate of drying, fineness, homogeneity, depth of color) of dyestuff, the performance (smooth finish, colouring situation, perviousness) of calico paper are tested, thereby obtained corresponding production technology.
Embodiment
Among the figure: 1, frame, 2, cylinder, 3, piston rod, 4, axis of swing, 5, rubber layer, 6, swing arm, 7, travel switch, 8, scraper, 9, main drive shaft, 10, the electronic engraving printing roller, 11, surperficial texturing, 12, axle bed, 13, dyestuff, 14, the slurry basin, 15, the liftable support, 16, chute, 17, tight paper groove, 18, tight paper bowl, 19, tight paper bowl, 20, groove, 21, calico paper, 22, cylinder, 23, driven axle.
As shown in the figure: rotating printing roller 10 is installed in a side of frame 1, opposite side is installed and to be used to the travel mechanism that makes rotating cylinder 22 be adjacent to printing roller 10 or leave printing roller 10, on cylinder 22, be provided for the fixedly fixed mechanism of calico paper 21, on being provided for to the textured surface of printing roller 10 on the frame 1 on printing roller 10 next doors dyestuff on dyestuff mechanism.On near the frame the printing roller 10 1, be provided for striking off printing roller 10 surfaces excess dyestuff scrape dye device, the guiding mechanism that cylinder 22 is led is set between cylinder 22 and frame 1 when cylinder 22 moves.
Described guiding mechanism is the chute 16 that is arranged on the frame 1, and the rotating shaft 23 of cylinder 22 is positioned at this chute 16; Or be arranged at frame 1 and 22 slide blocks of cylinder and guide rail.
In travel mechanism, an end of cylinder body 2 is articulated on the frame 1, and the piston rod 3 of cylinder body 2 is connected with the rotating shaft 23 of cylinder 22.In addition, described travel mechanism can also adopt electric pushrod, or leading screw and nut mechanism, or pinion and rack, or leverage etc.
In fixed mechanism, rotating tight paper bowl is installed on the cylinder 22, is provided for the tight paper groove 17 of clamping calico paper 21 on tight paper bowl.In addition, fixed mechanism can also adopt press strip mechanism, during use, an end of press strip is drawn back, and paper is put into below the press strip, press strip is depressed again, and with bolt press strip is fixed then.
Groove 20 is set on cylinder 22, and tight paper bowl has two 18,19, and lays respectively in the groove 20, can avoid like this protruding in the normal operation that cylinder 22 surfaces have influence on cylinder 22 because of tight paper bowl.
In last dyestuff mechanism, slurry basin 14 is positioned at the below of printing roller 10, and the downside of printing roller 10 extends in the slurry basin 14, immerses in the dyestuff 13 in the slurry basin 14 with the surface energy of guaranteeing printing roller 10.Describedly go up the mode that dyestuff mechanism also can adopt brush to smear, dyestuff is applied to the surface of printing roller 10.
Below slurry basin 14, be provided for the elevating mechanism of lifting slurry basin 14.Described elevating mechanism can be a cylinder piston mechanism, or leading screw and nut mechanism, or pinion and rack, or electronic pushing mechanism etc.
In scraping dye device, an end of swing arm 6 is connected with axis of swing 4 on being installed on frame 1, and the other end of swing arm 6 is installed scraper 8, and the blade of this scraper 8 can contact with the surface of printing roller 10.
Course of action is as follows: add dyestuff 13 in slurry basin 14; On the rubber layer 5 of cylinder 22 outsides, coat calico paper 21, in the time of folder calico paper 21, earlier two edges of calico paper 21 are inserted respectively in the tight paper groove 17 on the tight paper bowl 19,18, rotate tight paper bowl 19,18 more respectively, calico paper 21 is fixed on the cylinder 22; Restart motor, main drive shaft 9 is rotated, drive printing roller 10 and rotate together; In printing roller 10 rotating process,, therefore can be coated with last layer dyestuff 13 on the surface of printing roller 10 because the downside of printing roller 10 is immersed in the dyestuff of starching in the basin 14 13; When printing roller 10 rotates, swing arm 6 is under the drive of rotating shaft 4, to lower swing, make the scraper 8 of swing arm 6 ends be adjacent to surface at printing roller 10, because the decorative pattern that scribe on printing roller 10 surfaces is a dimpled grain, it is surperficial when mobile to be adjacent to printing roller 10 at scraper 8, and just the dyestuff 13 with printing roller 10 outside surfaces strikes off, and 13 of dyestuffs that are positioned at dimpled grain are retained; Meanwhile, the piston rod 3 of cylinder body 2 stretches out, drive in the chute 16 of rotating shaft 23 on frame 1 and move, make cylinder 22 be adjacent to printing roller 10, when cylinder 22 is adjacent to printing roller 10, cylinder 22 is followed printing roller 10 and is rotated together, and in rotating process, the decorative pattern on the printing roller 10 just is printed on the calico paper 21; Printing roller 10 rotates the distance in a week, just in time identical with the length of calico paper 21 on the cylinder 22, at this moment just in time touch the limit switch 7 that is arranged on the cylinder 22, pass through control system, the piston rod 3 of cylinder body 2 shrinks, make cylinder 22 break away from printing roller 10, close motor again, take off calico paper 21, slurry basin 14 is descended, and take out the dyestuff of starching in the basin 14 13, and clean printing roller 10, scraper 8 and slurry basin 14 again, finish a checkout procedure.
Technological principle of the present invention is: 1, reflect some fundamental characteristics of dyestuff 13 by the special pattern on the standard electronic engraving printing roller 10 (depth excessively, plain weave, lines change), comprise variation, fineness, form and aspect of the degree of depth, uniformity coefficient, the depth or the like.2, by electronic at the uniform velocity running, standard adjustable pressure cylinder 22 is auxiliary, can make the calico paper 21 that is printed obtain some process datas of relevant dyestuff 13, comprises the denseness of dyestuff and the situation of viscosity, the effect of printing, dry speed etc.3, can obtain the process data of the calico paper 21 that adopted by this equipment to the sample of different calico papers 21, comprise situation of the residual dye of calico paper 21 after the colouring situation, surface smoothness, stamp of calico paper 21 etc.
Dyes color scraping color of the present invention mainly is detecting at the following aspects: 1, dyestuff fineness, homogeneity; 2, the dyestuff color and luster and the degree of depth; 3, dyestuff denseness and viscosity influence to producing; 4, the colouring situation of dyestuff on calico paper 21 and the situation of stamp front and back, perviousness etc.; 5, the drying regime of dyestuff and influence to producing; 6, the color development curve of the diffusion of all kinds of dyestuffs and the depth.7, by above some, thereby the every property and the correlated performance of dyestuff and calico paper 21 more comprehensively detected, analysis and judgement plays directive function to actual production.
Dyes color scraping color of the present invention has the ability of very strong simulated field production technology, so comparing with some original single detection meanss has very big difference, it has concentrated standard to scrape the advantage that an edition fineness gauge, standard are scraped technology such as look rod, and have stable operating procedure, make to detect to combine with actual.
Dyes color scraping color of the present invention is important means and the platform that transfering printing process is formulated standard.