CN101967777B - Counterfeiting ivory board and manufacturing method thereof - Google Patents
Counterfeiting ivory board and manufacturing method thereof Download PDFInfo
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- CN101967777B CN101967777B CN2010105110334A CN201010511033A CN101967777B CN 101967777 B CN101967777 B CN 101967777B CN 2010105110334 A CN2010105110334 A CN 2010105110334A CN 201010511033 A CN201010511033 A CN 201010511033A CN 101967777 B CN101967777 B CN 101967777B
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Abstract
The invention discloses a counterfeiting ivory board and a manufacturing method thereof. The counterfeit ivory board comprises a core paper layer, wherein the upside and lower side of the core paper layer are combined with a face paper layer and a bottom paper layer respectively; and the outside surface of the core paper layer is dyed by dye to form counterfeiting patterns which dip-dye the inner part of the core paper layer. The manufacturing method comprises the following steps of: A, preparing materials; B, dewatering and manufacturing a piece of paper with pulp, wherein the pulp of the core paper layer, the bottom paper layer and the face paper layer are dewatered and manufactured into the core paper layer, the bottom paper layer and the face paper layer, and the core paper layer is dyed with the dye by spraying to form the counterfeiting patterns in a process of dewatering and manufacturing the core paper layer; and C, combining the core paper layer, the bottom paper layer and the face paper layer to form the counterfeiting ivory board. In the invention, by continuously improving the details and parts of the process and equipment, an optimized technical scheme is obtained in the invention, the quality of the counterfeiting patterns is relatively high, it is difficult to counterfeit the counterfeiting ivory board by general measures, mass industrial production is guaranteed, cost is lower, breakage is prevented and the counterfeiting effect is desirable.
Description
Technical field
The present invention relates to a kind of false proof art post paperboard and manufacturing approach thereof, belong to false proof field.
Background technology
The anti-counterfeiting technology that prior art is used for art post paperboard has following several kinds:
1, layering dyeing anti-false method, this layering decoration method is between ply of paper, to add the false proof layer that dyes, and forms false proof cardboard; The defective that this manufacturing approach exists in actual manufacture process is: the dyeing amplitude is big, pollutes spare unit, changes kind and need shut down cleaning, and waste product can't reuse, and anti-counterfeiting technology is simple;
2, bright anti-false method, this bright false proof way is the short-fibre silk that different colours is set on the surface of paper, like the packing box of Hongta board cigarette; Its defective is: false proof with low uncertainty, cost is high;
3, mesh grid anti-false method, its way are mesh grid to be set, like cement packing paper between ply of paper; Its advantage is: fastness is arranged, can only do low-grade packing;
4, the false proof collimation method of metal is set in the paper, portion sprays into metal fibre at paper making forming, need to adopt Special Equipment, though antifalse effect is good, and complex equipments, investment is big.
5, watermark anti-false method; Be a kind of a kind of anti-counterfeiting technology of early using, special-purpose dandyprat be installed, or utilize the rotary screen cage that is carved with pattern to produce watermark recovery at wet end; Its shortcoming is: be only applicable to the low weight paper kind, the heavu weights kind is had certain limitation; Need increase equipment and carry out paper machine rebuilding, cost is high; And contraposition is difficult with the location in manufacturing process, is difficult to accomplish accurately.
In order to overcome the above-mentioned defective of prior art; Multiple improvement technology has appearred at present; For example State Intellectual Property Office on March 8th, 2006 disclosed mandate publication number be that CN2763335Y, the patent No. are 200420088668.8 patent specification, a kind of cheque paper is disclosed, particularly a kind of intermediate layer has the cheque paper of anti-fake mark; False proof layer is adhered to the end, top layer; Said false proof layer is the core paper layer with picture and text, and the core paper layer is the core paper layer that drenches the spray picture and text, and this core paper layer is to be processed by the paper pulp that color material has been sprayed in pouring.This utility model compared with prior art is provided with colour sandwichedly on paper, is consumer's recognition methods efficiently of providing convenience; Utilize simple instrument to differentiate, improve the difficulty of faking simultaneously, be easy to again distinguish; Reach false proof effect, but this cheque paper anti-counterfeiting technology is simple; Imitation is made easily.
State Intellectual Property Office on March 28th, 2007 disclosed publication number be that CN1936180A, number of patent application are the patent application specification of a kind of anti-faked paper machining method of 200610061554.8; Following content is disclosed; Comprise: form the sandwich layer step, the slurry in the slurry box is formed sandwich layer at the net surface of manufacturing paper with pulp after dewatering; Drench spray false proof layer step; The net of manufacturing paper with pulp moves through one group and links to each other with paint box and by the digital nozzle of computer control; Digital nozzle drenches the pigment liquid that contains anti-fake material in the paint box and is sprayed on the online surface of semi-finished of manufacturing paper with pulp, and pigment liquid is turbid liquid or the emulsion that anti-fake material and aqueous solvent are made into, wherein; The aqueous solvent infiltrate net of manufacturing paper with pulp comes together in to reclaim and supplies in the tank to recycle, and anti-fake material remaines in the semi-finished product upper surface and forms false proof layer; Drying and separating treatment step are separated cheque paper after dry setting with the net of manufacturing paper with pulp.The inventive method is simple, and drenches spray formation false proof layer, does not need to dye paper pulp in advance, has avoided polluting the manufacturing streamline; The recyclable utilization of aqueous solvent, more environmental protection.Adopt pigment as false proof masking liquid in this patent, but pigment is a kind of coloring matter of attritive powder shape, water insoluble, oil and solvent; Have characteristics such as covering power and durability, pigment only acts on body surface, and not porous in the inside of object; Thus on the surface of color material layers attached to the core paper layer of pigment ejection; Be easy to imitation, but also increased the compound difficulty of core paper layer and other surface layers, increased manufacturing cost.In addition; Because what this patent adopted is through digital nozzle the core paper layer directly to be drenched spray on core paper layer top, the dyeing amplitude is big, because pigment porous and contain a certain amount of molecule not; And the core paper layer that adheres to is the semi-finished product that contain part moisture; Have certain draftability, in the process that moves with the net of manufacturing paper with pulp, the pattern that is sprayed by pigment can be because of being out of shape with the drying of speed of a motor vehicle variation and core paper layer; Unstable and the easy core paper layer segment that pollutes beyond the pattern of security pattern loses false proof effect.Especially at the less pattern of spraying; As during the thinner false proof pattern of forming with stria; Owing to need granular pigments independent moulding on the core paper layer; Obviously difficulty is bigger, and sign is outstanding during the thin thickness of granular pigments, but thickness when increasing because the objective factor of preparation is difficult to guarantee its independence and the existence of eliminating deviation.
Summary of the invention
The problem that the present invention will solve provides that a kind of security pattern is clear, security pattern is difficult for wiping off or removing, antifalse effect better and the false proof art post paperboard and the manufacturing approach thereof of low cost of manufacture.
In order to address the above problem, the present invention adopts following technical scheme:
A kind of false proof art post paperboard comprises the core paper layer, and the both sides up and down of said core paper layer are compounded with facial tissue layer and ground paper layer respectively, and the outer surface of said core paper layer forms security pattern through dyeing, and said security pattern is contaminated to the inside of core paper layer.
Security pattern is the colored security pattern of strip.
The outer surface of facial tissue layer and ground paper layer is coated with coating layer respectively.
Said core paper layer is the 10-60 micron through the thickness of the security pattern of dyeing.
The outer surface that the core paper layer forms security pattern is corresponding with ground paper layer.
But based on technical scheme of the present invention; Be not limited to the shape that this strip limits; Strip can realize that with simple control complex pattern needs the nozzle of corresponding shape and needs the control system to control by enough simple nozzles, need pass through intermittently spray like the sign of animal pattern and could realize.
The purpose of coating is to be convenient to printed patterns, but based on technical scheme of the present invention, false proof art post paperboard is not limited to be coated with coating layer, and also can not be coated with promptly only has three-decker, and further variation also is the variation that core paper is counted layer by layer certainly.
Therefore, should be within the scope of protection based on the variation of technical scheme of the present invention.
The manufacturing approach of false proof art post paperboard may further comprise the steps:
A: get the raw materials ready: the slurry for preparing core paper layer, ground paper layer and facial tissue layer respectively;
B, dehydration are manufactured paper with pulp: the slurry of core paper layer, ground paper layer and facial tissue layer is manufactured paper with pulp through core paper layer forming net, ground paper layer forming net and the dehydration of facial tissue layer forming net respectively prepares core paper layer, ground paper layer and facial tissue layer; Core paper pull-up water is manufactured paper with pulp and the core paper layer is formed security pattern through the spray dyeing in the process;
C, core paper layer, ground paper layer and facial tissue layer are compounded to form false proof art post paperboard.
The present invention provides the manufacturing approach of another kind of false proof art post paperboard, may further comprise the steps:
A: get the raw materials ready: the slurry for preparing core paper layer, ground paper layer and facial tissue layer respectively;
B, dehydration are manufactured paper with pulp: the slurry of core paper layer, ground paper layer and facial tissue layer is manufactured paper with pulp through core paper layer forming net, ground paper layer forming net and the dehydration of facial tissue layer forming net respectively prepares core paper layer, ground paper layer and facial tissue layer; Core paper pull-up water is manufactured paper with pulp and the core paper layer is formed security pattern through the spray dyeing in the process;
This security pattern sprays dyestuff in the bottom of core paper layer forming net, vacuumizes through the top at spray dyestuff position, dyestuff is contaminated to the inside of core paper layer form.
C, core paper layer, ground paper layer and facial tissue layer are compounded to form false proof art post paperboard.
Directly dyestuff is not sprayed in the bottom of core paper layer; This staining method can effectively avoid directly spraying the problem of being brought of laterally contaminating on the surface; Can strengthen the dynamics of vertically contaminating through vacuumizing again simultaneously, can guarantee that dyestuff gets into the inside of core paper layer fast.The advantage that vacuumizes also is moisture contained in the core paper layer is taken away as far as possible, is beneficial to the inside that dyestuff gets into the core paper layer fast.
The present invention provides a kind of manufacturing approach of false proof art post paperboard of optimization, may further comprise the steps:
A: get the raw materials ready: the slurry for preparing core paper layer, ground paper layer and facial tissue layer respectively;
Concrete preparation method pulls an oar behind the process hydrabrusher size degradation respectively for the chemical pulpboard that will prepare core paper layer, ground paper layer and facial tissue layer, prepares burden then and processes slurry.
B, dehydration are manufactured paper with pulp: the slurry of core paper layer, ground paper layer and facial tissue layer is manufactured paper with pulp through core paper layer forming net, ground paper layer forming net and the dehydration of facial tissue layer forming net respectively prepares core paper layer, ground paper layer and facial tissue layer; Core paper pull-up water is manufactured paper with pulp and the core paper layer is formed security pattern through the spray dyeing in the process;
Core paper layer slurry in core paper layer head box material is sprayed on the core paper layer forming net, forms translucent wet core paper layer at core paper layer forming net horizontal level front end;
Facial tissue layer slurry in the facial tissue layer head box is sprayed on the facial tissue layer forming net, on the facial tissue layer forming net, forms translucent wet facial tissue layer;
Ground paper layer slurry in the ground paper layer head box is sprayed on the ground paper layer forming net, on the ground paper layer forming net, forms translucent wet ground paper layer.
Said core paper layer forming net and facial tissue layer forming net are arranged side by side; Core paper layer forming net and facial tissue layer forming net form once-combined district at vertical direction; Said ground paper layer forming net is positioned at the below of core paper layer forming net and facial tissue layer forming net, forms the secondary recombination region in the horizontal direction between said ground paper layer forming net and the facial tissue layer forming net.
This security pattern sprays dyestuff in the bottom of core paper layer forming net, vacuumizes through the top at spray dyestuff position, dyestuff is contaminated to the inside of core paper layer form.
Concrete method is at first through the bottom spray dyestuff of sprinkling equipment to core paper layer forming net; Vacuum draw is carried out through vacuum suction apparatus in top; Dyestuff is drawn to core paper layer forming net top and sucks the core paper layer inner, with the core paper layer formation security pattern that dyes.
C, core paper layer, ground paper layer and facial tissue layer are compounded to form false proof art post paperboard.
Concrete technology is that the core paper layer after the dyeing is compounded to form once-combined layer through once-combined district on facial tissue layer and the core paper layer forming net on the facial tissue layer forming net; Once-combined layer is compounded to form wet secondary composite bed, promptly false proof art post paperboard with ground paper layer in the secondary recombination region.
Follow-up operation is for wet secondary composite bed is dry through squeezing, preceding oven dry, applying glue, back are dried dry, hard press polish, coating, soft calendaring and coiling process and processed the finished product that has coating layer.
The tension force of core paper layer forming net, facial tissue layer forming net and ground paper layer forming net is 6.0～9.0kN/m.
Further improve, can be in the front end bottom of core paper layer forming net and the bottom of facial tissue layer forming net set gradually low vacuum suction box and high vacuum suction box with the bottom of ground paper layer forming net, the dewatering efficiency of increase core paper layer.
Improvement further is provided with the top net arrangement at core paper layer forming net above near the horizontal component in once-combined district.
Being provided with of top net arrangement can be when vacuumizing, and forms the location to the core paper layer between top net and the forming net, can increase the device quantity that vacuumizes like this, also can increase its vacuum that vacuumizes size.
A kind of top net arrangement of concrete use is provided; Comprise the top net that the closed circular circulation is moved; Said top net is supported by four transfer rollers, and these four transfer rollers are wite roll, idler roller, corrector roll, drive the net roller that these four transfer rollers are installed on the frame; Said wite roll and the top mesh portions and the core paper layer forming net that drive between the net roller laterally arrange, and have between the two and can hold the recombination region that center stock passes.
Sprinkling equipment is arranged on the below of the corresponding core paper layer forming net in this recombination region, and the top is equipped with vacuum water absorber.
Vacuum water absorber comprises the top net suction box on the top that is installed in the corresponding core paper layer forming net in recombination region; In the net suction box of top, four vacuum dehydration chambers are installed, i.e. the first top net suction chamber, the second top net suction chamber, the 3rd top net suction chamber and the 4th top net suction chamber.
Be communicated with vavuum pump on said four suction chambers.
Certainly, the tactic patterns of four top net suction chambers that the present invention adopts also can be used the top net suction chamber of other quantity according to practical condition instead.
The vacuum of the first top net vacuum dehydration chamber, net vacuum dehydration chamber, second top, net vacuum dehydration chamber, the 3rd top and net vacuum dehydration chamber, the 4th top is-5～-15kPa.
Further again scheme cleans below spraying before with core paper layer forming net, removes moisture, can better guarantee to spray the effect of dyeing.Before the spray dyeing moisture of core paper layer forming net bottom is removed.
Actual treatment facility is: the position below the front end that holds the recombination region that center stock passes is positioned at core paper layer forming net is provided with loading bench; Loading bench comprises and adds carrier strip; Its dewatering type is to add the water that carrier strip is wiped core paper layer forming net bottom off, further guarantees the spray quality and the dyeing quality of spray dyestuff.
Add carrier strip below but the flexible adjustment device of height up and down is installed, loading bench can be regulated the pressure that adds between carrier strip and the core paper layer forming net and better controls dehydrating amount through regulating the flexible adjustment device.
Measure more specifically prevents top network pollution slurry for cleaning the top net.
To concrete facility be: above two transfer roller idler rollers and the lower position of the top mesh portions between the corrector roll be provided with the fog gatherer, the water smoke that the vacsorb water under high pressure produces improves top net mass dryness fraction.The position corresponding with the fog gatherer is equipped with the high pressure water jets shower device above the net of top, and said high-pressure spraying device adopts ruby nozzle, nozzle diameter 0.64mm; Vertical top net; Distance top net 10-20cm, water under high pressure is a warm water, spray pressure 20-40bar; Clean the top net, prevent top network pollution band slurry.
Said sprinkling equipment comprises the shower of horizontally set, on shower, is provided with several nozzles, to form the security pattern of strip.
During applying glue: adopt surface glue starch and Cypres that the upper and lower surfaces of composite bed is carried out applying glue.
During coating: adopt CaCO
3, chemical production such as china clay, latex coating in the upper surface coating of composite bed at least once, in the lower surface coating at least once.
In the paper machine making process, with the plain boiled water of facial tissue layer, core paper layer and ground paper layer separately, establish three back flow water pumps, be used for using in the dilution of paper machine spreading mass, and starch fully workshop section's pulpboard size degradation with transfer dense.
Said dyestuff is direct blue dyestuff and direct yellow dye, can also adopt other coloured dye according to the requirement of security pattern.
Dyestuff is the water-soluble coloring matter of a kind of ability, and dye solution can go deep into fibrous inside, with fibrous material complicated physical reactions takes place; Make fibre staining, form distinct and firm color, the present invention dyes to core paper layer fiber through dyestuff; Security pattern is adhered to and be penetrated into the inside of core paper layer, and do not have hierarchy between the core paper layer, be difficult for wiping off or removing; Antifalsification is high, is difficult for imitation manufacturing.
Dye solution is sprayed on the bottom of core paper layer forming net through spray equipment; Vacuum force is passed through on top; Dyestuff is drawn to core paper layer forming net top, as medium, dye solution is transferred to the core paper layer and sucks the inner security pattern that forms of core paper layer by core paper layer forming net; This security pattern with at the pattern of art post paperboard surface printing tangible difference is arranged, increased the imitation difficulty of false proof art post paperboard.
What adopt among the present invention is to be to spray at the back side of core paper layer forming net through spray equipment, rather than directly the core paper layer is sprayed, and has prevented that excess dyestuff from polluting spare unit, and vacuum draw is carried out on top, has guaranteed the uniformity of the thickness of security pattern.
The present invention passes through technology and device specifics and local Continual Improvement, the technical scheme that makes the present invention obtain more to optimize, and bring the higher effect of security pattern quality; Common measure is difficult to imitation, and can guarantee large-scale industrial production, and cost is lower; Be difficult to destroy, antifalse effect is better.
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described further:
Description of drawings
Accompanying drawing 1 is the structural representation of false proof art post paperboard in the embodiment of the invention 1;
Accompanying drawing 2 is the structural representation of shower in the embodiment of the invention;
Accompanying drawing 3 is the manufacturing approach craft flow chart of false proof art post paperboard in the embodiment of the invention;
Accompanying drawing 4 is the structural representation of inventive embodiments SMIS ply of paper forming net and top net and sprinkling equipment.
Among the figure: 1-core paper layer; The 2-security pattern; The 3-facial tissue layer; The 4-coating layer; The 5-ground paper layer; 6-facial tissue layer head box; 7-core paper layer forming net; 8-facial tissue layer forming net; 9-ground paper layer forming net; 10-top net; 11-high vacuum suction box; 12-low vacuum suction box; 13-core paper layer head box; The 14-sprinkling equipment; 15-ground paper layer head box; 16-fog gatherer; 17-high pressure water jets shower device; The 18-wite roll; The 19-idler roller; The 20-corrector roll; 21-drives the net roller; 22-top net suction flat box; The 23-frame; The 24-loading bench; The 25-shower; The 26-nozzle; Net vacuum dehydration chamber, 101-first top; Net vacuum dehydration chamber, 102-second top; Net vacuum dehydration chamber, 103-the 3rd top; Net vacuum dehydration chamber, 104-the 4th top; The once-combined district of a-; B-secondary recombination region.
The specific embodiment
Outer surface at facial tissue layer 3 and ground paper layer 5 in the present embodiment is coated with coating layer 4 respectively.
Said core paper layer is the 10-60 micron through the thickness of the security pattern of dyeing.
The outer surface that core paper layer 1 forms security pattern is corresponding with ground paper layer.
But based on technical scheme of the present invention; Be not limited to the shape that this strip limits; Strip can realize that with simple control complex pattern needs the nozzle of corresponding shape and needs the control system to control by enough simple nozzles, need pass through intermittently spray like the sign of animal pattern and could realize.
The purpose of coating is to be convenient to printed patterns, but based on technical scheme of the present invention, false proof art post paperboard is not limited to be coated with coating layer, and also can not be coated with promptly only has three-decker, and further variation also is the variation that core paper is counted layer by layer certainly.
Therefore, should be within the scope of protection based on the variation of technical scheme of the present invention.
A: get the raw materials ready: the slurry for preparing core paper layer, ground paper layer and facial tissue layer respectively;
B, dehydration are manufactured paper with pulp: the slurry of core paper layer, ground paper layer and facial tissue layer is manufactured paper with pulp through core paper layer forming net, ground paper layer forming net and the dehydration of facial tissue layer forming net respectively prepares core paper layer, ground paper layer and facial tissue layer; Core paper pull-up water is manufactured paper with pulp and the core paper layer is formed security pattern through the spray dyeing in the process;
C, core paper layer, ground paper layer and facial tissue layer are compounded to form false proof art post paperboard.
Embodiment 3, and the manufacturing approach of another kind of false proof art post paperboard is provided, and may further comprise the steps:
A: get the raw materials ready: the slurry for preparing core paper layer, ground paper layer and facial tissue layer respectively;
B, dehydration are manufactured paper with pulp: the slurry of core paper layer, ground paper layer and facial tissue layer is manufactured paper with pulp through core paper layer forming net, ground paper layer forming net and the dehydration of facial tissue layer forming net respectively prepares core paper layer, ground paper layer and facial tissue layer; Core paper pull-up water is manufactured paper with pulp and the core paper layer is formed security pattern through the spray dyeing in the process;
This security pattern sprays dyestuff in the bottom of core paper layer forming net, vacuumizes through the top at spray dyestuff position, dyestuff is contaminated to the inside of core paper layer form.
C, core paper layer, ground paper layer and facial tissue layer are compounded to form false proof art post paperboard.
Directly dyestuff is not sprayed in the bottom of core paper layer; This staining method can effectively avoid directly spraying the problem of being brought of laterally contaminating on the surface; Can strengthen the dynamics of vertically contaminating through vacuumizing again simultaneously, can guarantee that dyestuff gets into the inside of core paper layer fast.The advantage that vacuumizes also is moisture contained in the core paper layer is taken away as far as possible, is beneficial to the inside that dyestuff gets into the core paper layer fast.
A: get the raw materials ready: the slurry for preparing core paper layer, ground paper layer and facial tissue layer respectively;
Concrete preparation method pulls an oar behind the process hydrabrusher size degradation respectively for the chemical pulpboard that will prepare core paper layer, ground paper layer and facial tissue layer, prepares burden then and processes slurry.
B, dehydration are manufactured paper with pulp: the slurry of core paper layer, ground paper layer and facial tissue layer is manufactured paper with pulp through core paper layer forming net 7, ground paper layer forming net 9 and 8 dehydrations of facial tissue layer forming net respectively prepares core paper layer, ground paper layer and facial tissue layer; Core paper pull-up water is manufactured paper with pulp and the core paper layer is formed security pattern through the spray dyeing in the process;
As shown in Figure 3, the material of the core paper layer slurry in the core paper layer head box 13 is sprayed on the core paper layer forming net 7, form translucent wet core paper layer at core paper layer forming net 7 horizontal level front ends;
Facial tissue layer slurry in the facial tissue layer head box 6 is sprayed on the facial tissue layer forming net 8, on facial tissue layer forming net 8, forms translucent wet facial tissue layer;
Ground paper layer slurry in the ground paper layer head box 15 is sprayed on the ground paper layer forming net 9, on the ground paper layer forming net, forms translucent wet ground paper layer.
Said core paper layer forming net 7 is arranged side by side with facial tissue layer forming net 8; Core paper layer forming net 7 forms once-combined district a with facial tissue layer forming net 8 at vertical direction; Said ground paper layer forming net 9 is positioned at the below of core paper layer forming net 7 and facial tissue layer forming net 8, forms secondary recombination region b between said ground paper layer forming net 9 and the facial tissue layer forming net 8 in the horizontal direction.
This security pattern sprays dyestuff in the bottom of core paper layer forming net 7, vacuumizes through the top at spray dyestuff position, dyestuff is contaminated to the inside of core paper layer form.
Concrete method is at first through the bottom spray dyestuff of sprinkling equipment to core paper layer forming net 7; Vacuum draw is carried out through vacuum suction apparatus in top; Dyestuff is drawn to core paper layer forming net 7 tops and sucks the core paper layer inner, with the core paper layer formation security pattern that dyes.
C, core paper layer, ground paper layer and facial tissue layer are compounded to form false proof art post paperboard.
Be specially that the core paper layer after the dyeing is compounded to form once-combined layer through once-combined district a on facial tissue layer and the core paper layer forming net on the facial tissue layer forming net; B is compounded to form wet secondary composite bed to once-combined layer in the secondary recombination region with ground paper layer, promptly false proof art post paperboard.
Follow-up operation is for wet secondary composite bed is dry through squeezing, preceding oven dry, applying glue, back are dried dry, hard press polish, coating, soft calendaring and coiling process and processed the finished product that has coating layer.
In the preparation process of reality, find; Though can guarantee the production of cheque paper in the technology that the forming web bottom sprays and top vacuumizes; But also there are some problems,, have influence on the quality and the accuracy of security pattern if the tension adjustment of bottom when spray forming net is bad; And then influence the qualification rate of final products, vacuumizing equally also can be influential to the location of core paper layer.
Therefore; When finding that through actual pilot production the tension adjustment of core paper layer forming net 7, facial tissue layer forming net 8 and ground paper layer forming net 9 is 6.0～9.0kN/m; Through check, the security pattern effect of product can reach the requirement of large-scale production, when 7.5～8.0kN/m; Through check, the security pattern best results of product.
Like Fig. 3, shown in Figure 4; Can also be in the actual production in the front end bottom of core paper layer forming net 7 and the bottom of the bottom of facial tissue layer forming net 8 and ground paper layer forming net 9 set gradually low vacuum suction box 12 and high vacuum suction box 11, increase the dewatering efficiency of core paper layer.
To vacuumizing to the influential problem in the location of core paper layer; Above-mentioned production technology is further adjusted; With the dehydration that reaches better realization core paper layer and the purpose that improves the dyeing quality of security pattern 2 on the core paper layer, concrete measure is the top net arrangement to be set at core paper layer forming net 7 above near the horizontal component of once-combined district a.
Being provided with of top net arrangement can be when vacuumizing, and forms the location to the core paper layer between top net and the forming net, can increase the device quantity that vacuumizes like this, also can increase its vacuum that vacuumizes size.
The top net arrangement that a kind of concrete use is provided as shown in Figure 4; Comprise the top net 10 that the closed circular circulation is moved; Said top net 10 is by four transfer rollers supports, and these four transfer rollers are wite roll 18, idler roller 19, corrector roll 20, drive net roller 21 that these four transfer rollers are installed on the frame 23; Said wite roll 18 and drive that 10 parts are netted on the top of net between the roller 21 and core paper layer forming net 7 laterally arranges has to hold the recombination region that center stock passes between the two.
Sprinkling equipment 14 is arranged on the below of the corresponding core paper layer forming net 7 in this recombination region, and the top is equipped with vacuum water absorber.
Vacuum water absorber comprises the top net suction box 22 on the top that is installed in the corresponding core paper layer forming net 7 in recombination region; In pushing up net suction box 22, four vacuum dehydration chambers are installed, promptly the first top net absorbs water, and chamber 101, second pushes up net suction chamber 102, absorb water chamber 103 and the 4th top net suction chamber 104 are netted in the 3rd top.
Be communicated with vavuum pump on said four suction chambers; Along with core paper layer forming net 7 moves; Translucent core paper layer gets into the rear end of core paper layer forming net 7 horizontal levels; Sprinkling equipment 14 sprays dyestuff to the back side of core paper layer forming net 7 continuously; Vacuum draw is carried out through the first top net vacuum dehydration chamber 101, the second top net suction chamber 102, the 3rd top net suction chamber 103 and the 4th top 104 pairs of dyestuffs of net suction chamber in top, dyestuff is drawn to forming net top and sucks the core paper layer inner, with the core paper layer formation security pattern that dyes.Simultaneously center stock is dewatered, it is poor to improve sandwich layer l Water Paper page or leaf two sides, and control dehydrating amount size is improved core paper layer evenness.
Certainly, the tactic patterns of four top net suction chambers that the present invention adopts also can be used the top net suction chamber of other quantity according to practical condition instead.
Through vacuum draw experiment, the vacuum of net vacuum dehydration chamber, first top 101, net vacuum dehydration chamber, second top 102, net vacuum dehydration chamber, the 3rd top 103 and net vacuum dehydration chamber, the 4th top 104 is-5～-can effectively guarantee quantity-produced product quality in enormous quantities during 15kPa.
Further step is removed moisture for below spraying before with core paper layer forming net 7, cleaning, and can better guarantee to spray the effect of dyeing.
Actual treatment facility is: the position below the front end that holds the recombination region that center stock passes is positioned at core paper layer forming net 7 is provided with loading bench 24; Loading bench 24 comprises that 6 add carrier strip; Its dewatering type is to add the water that carrier strip is wiped core paper layer forming net 7 bottoms off, further guarantees the spray quality and the dyeing quality of spray dyestuff.
Add carrier strip below but the flexible adjustment device of height up and down is installed, loading bench 24 can be regulated the pressure that adds between carrier strip and the core paper layer forming net 7 and better controls dehydrating amount through regulating the flexible adjustment device.
Measure more specifically prevents top network pollution slurry for cleaning the top net.
To concrete facility be: above two transfer roller idler rollers 19 and the top between the corrector roll 20 lower position of netting 10 parts be provided with fog gatherer 16, the water smoke that the vacsorb water under high pressure produces improves top net mass dryness fraction.Above top net 10, with fog gatherer 16 corresponding positions high pressure water jets shower device 17 is installed, said high-pressure spraying device 17 adopts ruby nozzle, nozzle diameter 0.64mm; Vertical top net; Distance top net 10-20cm, water under high pressure is a warm water, spray pressure 20-40bar; Clean the top net, prevent top network pollution band slurry.
As shown in Figure 2, said sprinkling equipment 14 comprises the shower 25 of horizontally set, on shower 25, is provided with several nozzles 26, to form the security pattern of strip.
Through measuring, the page moisture after the squeezing is 52 ± 5%; The dried page moisture of preceding baking is 8 ± 3%; The moisture of the dry back of oven dry, back page is 8 ± 3%.
During applying glue: adopt surface glue starch and Cypres that the upper and lower surfaces of composite bed is carried out applying glue.
During coating: adopt CaCO
3, chemical production such as china clay, latex coating in the upper surface coating of composite bed at least once, in the lower surface coating at least once.
In the paper machine making process, with the plain boiled water of facial tissue layer, core paper layer and ground paper layer separately, establish three back flow water pumps, be used for using in the dilution of paper machine spreading mass, and starch fully workshop section's pulpboard size degradation with transfer dense.
Dyestuff described in the foregoing description is direct blue dyestuff and direct yellow dye, can also adopt other coloured dye according to the requirement of security pattern.Said direct blue dyestuff is that Co., Ltd makes in the Clariant chemical industry, model is the commercially available dyestuff of Cartasol Blue 3R-EU liq; Said direct yellow dye is that Yanshi, Henan dying Co., Ltd of university makes, model is the commercially available dyestuff of 7GFF.
Through the false proof art post paperboard that has the strip security pattern that the embodiment of the invention is produced, the product false proof effect is better, and pattern is contaminated to the inside of core paper layer; Be difficult for being destroyed or changing, need be through some other measure avoid the diffusion of contaminating, actual product is very clear through check strip security pattern; Be difficult to imitation; And can realize continuous production, and need not do big adjustment during production, the adjustment at above-mentioned part and details position can better guarantee the quality of security pattern; So far do not find bigger quality problems through actual production, can satisfy the needs of a large amount of large-scale production.
Claims (8)
1. false proof art post paperboard; Comprise the core paper layer; The upper and lower both sides of said core paper layer (1) are compounded with facial tissue layer (3) and ground paper layer (5) respectively; It is characterized in that: the outer surface of said core paper layer (1) forms security pattern (2) through dyeing, and said security pattern (2) is contaminated to the inside of core paper layer (1); Said core paper layer (1) is the 10-60 micron through the thickness of the security pattern (2) of dyeing.
2. a kind of false proof art post paperboard according to claim 1 is characterized in that: the outside of said facial tissue layer (3) and ground paper layer (5) is respectively equipped with coating layer (4).
3. the manufacturing approach of a false proof art post paperboard as claimed in claim 1 is characterized in that: may further comprise the steps:
A: get the raw materials ready: the slurry for preparing core paper layer, ground paper layer and facial tissue layer respectively;
B, dehydration are manufactured paper with pulp: the slurry of core paper layer, ground paper layer and facial tissue layer is manufactured paper with pulp through core paper layer forming net, ground paper layer forming net and the dehydration of facial tissue layer forming net respectively prepares core paper layer, ground paper layer and facial tissue layer; Core paper pull-up water is manufactured paper with pulp and the core paper layer is formed security pattern through the spray dyeing in the process; Bottom at core paper layer forming net sprays dyestuff; Top through at spray dyestuff position vacuumizes, and dyestuff is contaminated to the inside of core paper layer form security pattern;
C, core paper layer, ground paper layer and facial tissue layer are compounded to form false proof art post paperboard.
4. the manufacturing approach of a kind of false proof art post paperboard according to claim 3 is characterized in that: among the said step B dehydration manufacture paper with pulp into:
Core paper layer slurry in core paper layer head box material is sprayed on the core paper layer forming net, forms translucent wet core paper layer at core paper layer forming net horizontal level front end;
Facial tissue layer slurry in the facial tissue layer head box is sprayed on the facial tissue layer forming net, on the facial tissue layer forming net, forms translucent wet facial tissue layer;
Ground paper layer slurry in the ground paper layer head box is sprayed on the ground paper layer forming net, on the ground paper layer forming net, forms translucent wet ground paper layer;
Said core paper layer forming net and facial tissue layer forming net are arranged side by side; Core paper layer forming net and facial tissue layer forming net form once-combined district (a) at vertical direction; Said ground paper layer forming net is positioned at the below of core paper layer forming net and facial tissue layer forming net, forms secondary recombination region (b) between said ground paper layer forming net and the facial tissue layer forming net in the horizontal direction;
Bottom at core paper layer forming net sprays dyestuff, vacuumizes through the top at spray dyestuff position, dyestuff is contaminated to the inside of core paper layer form security pattern;
Said step C is compounded to form false proof art post paperboard with core paper layer, ground paper layer and facial tissue layer, and its technology is:
Core paper layer on facial tissue layer on the facial tissue layer forming net and the core paper layer forming net after the dyeing is compounded to form once-combined layer through once-combined district (a); (b) is compounded to form wet secondary composite bed to once-combined layer in the secondary recombination region with ground paper layer, promptly false proof art post paperboard.
5. the manufacturing approach of a kind of false proof art post paperboard according to claim 4 is characterized in that: among the said step B, spray the dyeing security pattern and carry out in the rear end of core paper layer forming net (7) horizontal level.
6. according to the manufacturing approach of claim 3 or 4 described a kind of false proof art post paperboards, it is characterized in that: the tension force of core paper layer forming net (7), facial tissue layer forming net (8) and ground paper layer forming net (9) is 6.0～9.0kN/m.
7. according to the manufacturing approach of claim 4 or 5 described a kind of false proof art post paperboards, it is characterized in that: near the top of the horizontal component of once-combined district (a) the top net arrangement is set at core paper layer forming net (7).
8. according to the manufacturing approach of claim 4 or 5 described a kind of false proof art post paperboards, it is characterized in that:
Before the spray dyeing moisture of core paper layer forming net (7) bottom is removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105110334A CN101967777B (en) | 2010-10-19 | 2010-10-19 | Counterfeiting ivory board and manufacturing method thereof |
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| CN2010105110334A CN101967777B (en) | 2010-10-19 | 2010-10-19 | Counterfeiting ivory board and manufacturing method thereof |
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| CN101967777A CN101967777A (en) | 2011-02-09 |
| CN101967777B true CN101967777B (en) | 2012-06-27 |
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| CN103215855B (en) * | 2013-04-29 | 2015-05-06 | 金红叶纸业集团有限公司 | Patterned paper and manufacturing process thereof |
| CN105951520B (en) * | 2016-04-28 | 2018-04-13 | 华南理工大学 | A kind of anti-counterfeiting coating white card paper and preparation method thereof |
| CN109572180A (en) * | 2019-01-24 | 2019-04-05 | 万国纸业太阳白卡纸有限公司 | The process units of the spliced printing process of equipment, printing equipment and graphic anti-counterfeiting paper |
| CN111391522A (en) * | 2020-04-24 | 2020-07-10 | 珠海红塔仁恒包装股份有限公司 | High-speed digital code-spraying anti-counterfeiting white cardboard production method and code-spraying equipment |
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| CN2763333Y (en) * | 2004-09-23 | 2006-03-08 | 珠海经济特区红塔仁恒纸业有限公司 | Anti-counterfeit coated ivory board |
| KR100750646B1 (en) * | 2006-03-20 | 2007-08-20 | 한국조폐공사 | Manufacturing apparatus for security paper inserted multi-tonal watermark and manufacturing method of security paper using it |
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Inventor after: Chen Hongguo Inventor after: Xia Jigang Inventor after: Shao Xuejun Inventor after: Chen Jiachuan Inventor after: Jin Shumin Inventor after: Zhang Wei Inventor before: Chen Hongguo Inventor before: Xia Jigang Inventor before: Pang Jun Inventor before: Jin Shumin Inventor before: Zhang Wei |
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Free format text: CORRECT: INVENTOR; FROM: CHEN HONGGUO XIA JIGANG PANG JUN JIN SHUMIN ZHANG WEI TO: CHEN HONGGUO XIAJIGANG SHAO XUEJUN CHEN JIACHUAN JIN SHUMIN ZHANG WEI |
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Effective date of registration: 20140703 Address after: 262700 Chenming Industrial Park, Shouguang, Shandong Patentee after: Shandong Chenming Papermaking Industry Group Co., Ltd. Patentee after: SHOUGUANG MEILUN PAPER INDUSTRY CO., LTD. Address before: 262700 Chenming Industrial Park, Shouguang, Shandong Patentee before: Shandong Chenming Papermaking Industry Group Co., Ltd. |