CN104827750B - Textile printing cylinder method for platemaking and its automatic platemaker - Google Patents
Textile printing cylinder method for platemaking and its automatic platemaker Download PDFInfo
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- CN104827750B CN104827750B CN201510259500.1A CN201510259500A CN104827750B CN 104827750 B CN104827750 B CN 104827750B CN 201510259500 A CN201510259500 A CN 201510259500A CN 104827750 B CN104827750 B CN 104827750B
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Abstract
The invention discloses a kind of method for platemaking of textile printing cylinder and its automatic platemaker;The present invention first by the printing roller of knurled wheel or knurling roller rolling surface wrapped shapes memory material, thus equally distributed concave point is formed on printing roller surface;After heating through laser heating device or thermal printing apparatus, the concave point being heated recovers its original flat form, and remaining unheated concave point forms color separation pattern on printing roller.Multiple such shape memory printing rollers are arranged on can implement roller printing process on existing textile roller printing machine, thus obtaining textile printing product;By the shape memory printing roller of the present invention implement textile roller stamp process is reasonable, operation brief, low production cost, energy-conserving and environment-protective, the compatible advantage of Conventional decal and digital ink-jet printed two big main flow printing methods.
Description
Technical field
The present invention relates to the automatic platemaker of a kind of method for platemaking of textile printing cylinder and its printing roller, more particularly, to one
Plant the characteristic using shape-memory material, the fixed point heat effect providing by laser heating device or thermal printing apparatus, complete
Become method and its automatic platemaker of textile printing cylinder lithography process.
Background technology
It is known that existing textile printing method is broadly divided into two big class:Conventional decal and digital ink-jet printed.
Conventional decal method generally includes following operation:Color separation, make a plate, match colors, sizing mixing, stamp, evaporate, wash, drying,
Final finishing etc..The pollutant such as Conventional decal method operation is complicated, long the production cycle, production process water consumption big energy-consuming, generation waste water
Many, but stamp speed is fast, when larger in batches, its production cost is relatively low.
Digital ink-jet printed method generally includes following operation:Starching, inkjet printing, evaporate, wash, drying, Final finishing
Deng.Compared with Conventional decal method, digital ink-jet printed method operation is simple, with short production cycle, the mode of production flexible, is suitable for
The changeable stamp of the less design of batch produces.
From the feature of the existing textile printing method of above two big class with compare, it is not difficult to find out, the cause of Conventional decal method
Life shortcoming is that its printing stencil method is very complicated and waste time and energy, and this is the bottleneck of the restriction whole production process of Conventional decal
Problem, and ink-jet printing method is then only better than Conventional decal method on need not making a plate, but it solves the problems, such as the generation of printing stencil
Valency is very high.First, ink-jet printing method can only use expensive special ink, and not only consumables cost is high, and
And if drop mass is inferior, easily blocks ink jet-print head, cause printhead to scrap and stamp substandard products.Secondly, ink-jet printed
Method stamp speed is slow because its printhead reciprocating machine movement velocity and jet speed in high speed due to inertia presence very
It is difficult that both take into account, and increasingly close to the limit.For improving stamp speed, existing ink-jet decorating machine is had to will be several or even tens
Individual expensive ink jet-print head is used in parallel, which not only improves production equipment cost, because of ink jet-print head service life
Limited also result in the high of m of e expense in the future.Moreover, in ink-jet printed production process, print
The ink that head height speed ejects, can cause numerous spittle to fly away in printer surrounding, toxic chemical solvent therein
Can be sucked by direct labor and pollute production environment with dye pigment fine particle.The also rare people's concern so far of this problem, but only
There are large stretch of dye pigment sediment and constant temperature and humidity airtight production car near the exhaust outlet observing ink-jet printed workshop
Between in unpleasant chemicals abnormal smells from the patient it is possible to know the seriously polluted property of this stamp mode of production.Ink-jet printing method except
Beyond need not making a plate, its stamp speed can not show a candle to Conventional decal method, and both stamp postchannel process processes are all identical
, that is, digital ink-jet printed method is the same with Conventional decal method, after stamp, fabric is required for through evaporating, washing and dry
The aftertreatment technology process such as dry, needs to consume a large amount of steam, water and electric energy, also can produce a large amount of contaminated wastewater environment simultaneously.
If plate-making bottleneck problem can achieve a solution, then its superiority undoubtedly outclass spray to Conventional decal method
Ink-printed method.Also Just because of this, for many years, for overcoming the defect of existing textile printing technology particularly its plate-making problem,
Forefathers once carried out multiple effort, and other can break away from the textile printing method that plate-making problem restricts to attempt research and development.For example, the U.S. is tall
It is quiet that the research worker such as the Zhi Ya Institute of Technology [GIT] W. W. Carr start i.e. lasting for years research application in the nineties in 20th century
The method that electric photocopying principle carries out textile printing(W.W.Carr, D.S.Sarma, Lejun Wang, Songhua Shi,
F.L.Cook, and P.H.Pfromm, Xerographic Printing on Textiles[P]. Industry
Applications Conference, 1996. Thirty-First IAS Annual Meeting, IAS'96.,
Conference Record of the 1996 IEEE , Vol.4, pp1963 - 1973).They use business photocopier
With laser printer as printing tests equipment, can be used for the stamp of various fabrics or blend fabric, but this printing method
Practicality need to be investigated, the color fastness of its PRINTED FABRIC and feel also have larger problem(W.W.Carr, D.S.Sarma,
L.Cook, S.Shi, L.Wang, P.H.Pfromm. Xerographic Printing of Textiles:Polymeric
Toners and Their Performance[J]. Journal of Applied Polymer Science, 2000, 78
[13]:2425-2434).2004 it was reported that Kyoto-shi, Japan industrial technology institute textile technology center complex capital of a country work
Skill fiber university, company of Ricoh(Reprography is provided to support), Henghe husky(Image processing techniquess are provided to support), east stretch industry
(Famous textile printing machine manufacturer)With Chang Lai coloured chemical company(Colorant technical support is provided)Joint development number electrostatic print
Flower machine, is proposed with electrostatic printing principle, using the eletrophotography technology of photocopier, directly can carry out stamp on fabric
Electrostatic printing model machine(Japan successfully develops digital eletrophotography printing machine [J], printing and dyeing, and 2004,30 [21]:54).They manufacture experimently
Model machine be 3 colors, stamp speed be 5-10 m/min.Electrostatic printing process is substantially:Powdered ink is first subject to magnetic force to attract quilt from print cartridge
It is adsorbed onto in the magnetic roller on toner cartridge side, then the toner cartridge surface adsorption by static electrification latent image, it is then transferred on fabric being formed stamp
Pattern, the method such as finally heated anchors at and completes stamp process on fiber.From the point of view of the know-why of electrostatic printing method, this
Plant printing method and mainly ripe paper xerographic method is incorporated into textile printing.Electrostatic printing method is after so far there are no
Continuous industrialization, this may complicated with its stamp process, technological requirement is high, printing machine complex structure, poor practicability are relevant.
2007, the research worker such as Institutes Of Technology Of Zhejiang [ZUST] Shen Yifeng was once attempted enterprising in weaving face fabric using laser
The research of row stamp(Shen Yifeng, Zhang Shijun, Fu Zehua, Yang Fang, Li Yefeng, a kind of laser decoration printing method of weaving face fabric [P],
Chinese patent CN101082177A).They carry out radiation treatment first with laser to chemical fiber plus material, then pass through conventional dye again
Monochromatic pattern required for web surface is formed for the color process.Study carefully its know-why it should be to advance with laser to chemical fibre face
Material carries out radiation scanning, causes certain change of face liber configuration of surface and structure or claims partial modification, leads to these positions
Reflexive to light and the change to a certain degree of dye adsorption performance, thus form deep mixed achromatic map in dyeing
Case, a kind of trial of this problem restriction of making a plate during being also attempt to solve stamp.
2014, the research worker such as Zhejiang University [ZJU] Shen Yonghang attempted the photo-thermal or light ionization effect using laser,
The research of stamp is carried out on yarn fabric(Shen Yonghang, Zhang Jian, Zhao Zhiyi, Wu Bo, Jiang Peipei,
A kind of weaving laser decoration printing method and its printing device [P], Chinese patent CN103879163A).They will with each
The corresponding dye paste of color or pigment printing paste are respectively coated formation mill base coating on rotating drum, through laser scanning light from
Form color separation pattern on roller after change, then be transferred to respectively on yarn fabric and form colour printed pattern, post-treated after
Printing.This is that one kind is different from electrostatic printing or ink-jet printed, the textile printing new method that equally need not make a plate.
The roller printing of critical role is occupied in Conventional decal mode, have that stamp speed is fast, it is wide to adapt to fabric variety,
The advantages of production efficiency height and low production cost, with a long history, production process is reliable it is adaptable to large batch of textile printing is given birth to
Produce.Roller printing and other Conventional decal similar process, its cylinder lithography process, either hand engraving, mill engraving, reduce
Engraving, photo engraving, electronic engraving or laser engraving, not only very complicated and time-consuming, and also many of plate-making mode is also
Produce many chemical pollutants, so its superiority is offset by the backwardness of its printing roller lithography process to a great extent.
Content of the invention
It is an object of the invention to overcoming the defect of existing textile roller printing method, provide a kind of plate-making of printing roller
Method and its automatic platemaker, the textile roller stamp process being made up of the shape memory printing roller of the present invention is reasonable, work
Sequence is brief, low production cost, energy-conserving and environment-protective, compatible Conventional decal and digital ink-jet printed two big main flow printing methods excellent
Point.
The purpose of the present invention is achieved through the following technical solutions:A kind of method for platemaking of textile printing cylinder, bag
Include following steps:
(1)By the printing roller of knurled wheel or knurling roller rolling surface wrapped shapes memory material, thus in printing roller
Equally distributed concave point is formed on the shape-memory material on surface;
(2)According to computer color separating picture signal after laser heating device or thermal printing apparatus fixed point heating, it is subject to
The concave point of heat recovers its original flat form due to shape memory effect, and remaining unheated concave point forms on printing roller and divides
Colored pattern;
(3)The shape memory printing roller obtaining corresponding to multiple steps 2 of different color separation patterns is arranged on textile roller
On printing machine, implement roller printing process, thus obtaining textile printing product;
(4)When stamp process completes to need to change design, printing roller is integrally heated to all concave points due to shape
Shape memory effect and recover its original flat form;Repeat step 1-3, you can prepare the printing roller of new flower-shaped pattern again.
A kind of automatic platemaker of textile printing cylinder, including:Shape memory printing roller, concave point flush device, cylinder prop up
Support arrangement, annular knurl unit, rolling device and frame etc.;Wherein, described shape memory printing roller, concave point flush device, cylinder
Support meanss, annular knurl unit and rolling device are installed in frame;Shape memory printing roller revolves on drum supporting device
Turn and accept thereon the rolling of annular knurl unit;Annular knurl unit is arranged on rolling device and is provided by pressure to shape memory
Rolling process implemented by printing roller;Concave point flush device is printed with contactless mode of heating or contact mode of heating for shape memory
Engraved roll fixed point provides heat, to be formed on concave point color separation pattern;Described concave point flush device be laser heating device or
Person's thermal printing apparatus, annular knurl unit is knurled wheel or knurling roller.
Further, described shape memory printing roller is by metal roller and the shape-memory material coating in its surface
Composition.
Further, described laser heating device includes laser instrument and laser scanning device;Described laser instrument is a kind of high
The continuous or high repeat frequency pulsed laser device of mean power, mean power is more than 1W, and repetition rate is more than 1kHz;Laser used
Device includes but is not limited to semiconductor laser, solid state laser, optical fiber laser and gas laser and by above-mentioned laser instrument
All kinds of laser instrument being obtained after nonlinear optics means frequency conversion;The laser beam that laser instrument sends incides laser scanning dress
Put, and focused on the shape-memory material of correspondence position by laser scanning device.
Further, described thermal printing apparatus are made up of thermal printing head, control circuit and its mechanical actuation device.
Further, described knurled wheel or knurling roller are hard alloy wheel or the roller being uniformly distributed salient point on surface.
The invention has the beneficial effects as follows,
1st, the method for platemaking that the present invention adopts provides a kind of brand-new textile printing cylinder plate-making technology.With existing print
Engraved roll method for platemaking is compared, and the method for platemaking of the present invention completes to print using shape memory effect specific to shape-memory material
The lithography process of engraved roll.After completing stamp production, printing roller is with the plate-making that can be re-used for new flower-shaped pattern.
2nd, the printing roller plate-making of the present invention is using computer image processing technology and digital laser scanner technique or temperature-sensitive
Printing technique, the concave point distribution on printing roller surface, concave point shape, concave point depth and plate-making precision etc. require according to printing technology
Can be adjusted by changing knurled wheel or knurling roller at any time.
3rd, lithography process is physical process purely, energy-saving ring again for the printing roller plate-making of the present invention and its cylinder reuse
Protect, all processes all do not produce any pollution.
4th, the printing roller lithography process of the present invention is quick and simple and direct, and the textile printing and dyeing factory having roller printing machine only needs
Add the auxiliary equipment as its roller printing machine for the automatic platemaker of present invention offer, you can almost need completely before voluntarily implementing
The printing roller lithography process sending special plate-making factory just can complete, had not only saved the time but also cost-effective.
5th, the printing roller automatic platemaker of the present invention can also organically be integrated in roller printing machine system, quick and
It is efficiently formed and produce printing roller and make a plate from printing roller plate-making, roller printing, the whole cyclic process going round and beginning again.
6th, the printing roller method for platemaking of the present invention makes textile roller stamp process not only can meet the life of high-volume stamp
The requirement produced, simultaneously also can quick response multi-color small lot order demand.
Brief description
Fig. 1 is shape memory printing roller automatic platemaker main structure diagram;
In figure:Shape memory printing roller 1, concave point flush device 2, drum supporting device 3, annular knurl unit 4, rolling device
5th, frame 6.
Specific embodiment
It is known that because being changed the thermally sensitive shape memory materials of original shape by the constraint of the initial condition such as external force, when
When being heated to uniform temperature, its material internal meeting constraint relief stress is thus recover its original shape, here it is shape memory material
Shape memory effect specific to material.This shape memory effect with the change of external constraint can be in again and again
Existing, people can complete, using this effect, the goal task that many cannot be realized under normal conditions, and such as satellite antenna exists
Natural expansion of its parabolic shape etc. in space.
The know-why of the textile printing cylinder method for platemaking of the present invention is exactly to utilize shape specific to shape-memory material
Shape memory effect, first by the printing roller of knurled wheel or knurling roller rolling surface wrapped shapes memory material, thus in printing rolling
Cylinder forms equally distributed concave point on surface.After laser heating device or thermal printing apparatus fixed point heating, that is heated is recessed
Point recovers its original flat form due to shape memory effect, and remaining unheated concave point then forms color separation figure on printing roller
Case, thus lithography process that is quick and quickly and easily completing printing roller.
The printing roller method for platemaking of the present invention and Conventional decal or digital ink-jet printed method or other printing methods one
Sample, need before plate-making first by colour printed pattern according to CMY tri- color separation, CMYK tetra- color separation, three or four color separation add spot color or
Other suitable modes carry out computer color separating process, and color separation sum should be less equal than the set chromatic number of existing roller printing machine.
The printing roller lithography process of the present invention is:
(1)By the printing roller of knurled wheel or knurling roller rolling surface wrapped shapes memory material, thus in printing roller
Equally distributed concave point is formed on the shape-memory material on surface.
(2)According to computer color separating picture signal after laser heating device or thermal printing apparatus fixed point heating, it is subject to
The concave point of heat recovers its original flat form due to shape memory effect, and remaining unheated concave point forms on printing roller and divides
Colored pattern.
(3)Multiple such shape memory printing roller corresponding to different color separation patterns is arranged on existing textile roller
Roller printing process can be implemented, thus obtaining textile printing product on printing machine.
(4)When printing process completes to need to change design, printing roller is integrally heated to all concave points
Recover its original flat form due to shape memory effect.Repeat step 1-3, you can prepare new flower-shaped figure again
The printing roller of case.
The printing roller automatic platemaker of the present invention includes following primary structure:A kind of automatic platemaker of textile printing cylinder,
Including:Shape memory printing roller, concave point flush device, drum supporting device, annular knurl unit, rolling device and frame etc.;Its
In, described shape memory printing roller, concave point flush device, drum supporting device, annular knurl unit and rolling device are installed in
In frame;Shape memory printing roller rotates on drum supporting device and accepts the rolling of annular knurl unit thereon;Annular knurl list
Unit is arranged on rolling device and is provided by pressure and implements rolling process to shape memory printing roller;Concave point flush device with
Contactless mode of heating or contact mode of heating pinpoint for shape memory printing roller and provide heat, to be formed on concave point
Color separation pattern;Described concave point flush device is laser heating device or thermal printing apparatus, and annular knurl unit is knurled wheel or rolling
Flower roller.
The shape-memory material printing roller that the printing roller automatic platemaker of the present invention is processed, its inner materials is gold
Belong to, its Surface coating material is shape-memory material, such as marmem:NiTi base memorial alloy, copper-based memory alloy, ferrum
Base memorial alloy etc.;As shape memory ceramics:Zirconia ceramicss etc.;As shape-memory polymer:Polynorbornene, polyphenyl second
Alkene, polyurethane, SB etc..
The laser heating device that the printing roller automatic platemaker of the present invention is applied is swept by a laser instrument and a laser
Imaging apparatus form.This laser instrument is a kind of the continuous of high-average power or high repeat frequency pulsed laser device, and mean power is more than
1W, repetition rate is more than 1kHz, and the pulsewidth of pulse laser does not limit;Laser instrument used includes but is not limited to semiconductor laser
Device, solid state laser, optical fiber laser and gas laser and by above-mentioned laser instrument after nonlinear optics means frequency conversion
All kinds of laser instrument being obtained;The laser beam that laser instrument sends incides laser scanning device, and is focused on by laser scanning device
To on the shape-memory material of correspondence position.
The thermal printing apparatus that the printing roller automatic platemaker of the present invention is applied include but is not limited to:Heated by quasiconductor
The thermal printing head of element composition, control circuit and its mechanical actuation device.
The knurled wheel that the printing roller automatic platemaker of the present invention is applied or knurling roller can be full for being uniformly distributed on its surface
Sufficient textile roller printing technology requires and flow forming process requires salient point hard alloy wheel or roller.
The work process of the present invention is as follows:
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment.Following examples are to this
The specific explanations of certain several method in bright multiple implementation, and the invention is not limited in following examples.
Embodiment 1:Referring to the drawings 1, first colour printed pattern is carried out color separation processing according to CMYK tetra- color separation pattern, obtain
CMYK four-way color separation figure(Including cyan [Cyan], red [Magenta], yellow [Yellow] and black [Black]), and will
This four color separation image signal is transferred to laser decoration printing cylinder automatic platemaker.Shape-memory material is described taking cyan printing roller as a example
The lithography process of printing roller:First shape memory printing roller 1 is loaded into drum supporting device 3, rolling device 5 drives annular knurl list
Shape memory printing roller 1 is close to by unit 4, and the pressure to shape memory printing roller 1 applying homogeneous constant in rotation, thus
Equally distributed concave point dot matrix is rolled out on the shape-memory material surface of shape memory printing roller 1.Shape memory stamp
Cylinder 1 rotates a circle, and after the completion of the concave point operation of rolling of its surface configuration memory material, rolling device 5 drives annular knurl unit 4 to take off
From shape memory printing roller 1.Subsequently, shape memory printing roller 1 accepts laser heating device 2 and divides according to cyan in rotation
The laser beam of color image signal modulation is strafed, and the concave point that its surface configuration memory material is heated recovers its original smooth shape immediately
Shape, and be not affected by the concave point that laser beam strafes and still retain its concave point shape.After shape memory printing roller 1 rotates a circle, at it
The color separation pattern that cylinder surface formation is made up of numerous fine pits, completes the lithography process of cyan printing roller.Shape is remembered
Recall printing roller 1 to unload from drum supporting device 3, loading existing textile roller printing machine can be with the printing rolling of other colors
Cylinder is combined, and jointly starts stamp and produces.The shape-memory material printing roller lithography process of other colors and above-mentioned green grass or young crops
Color printing roller is identical.
Stamp produces and completes, and when needing the decalcomania more renewing, again shape memory printing roller 1 can be loaded into plate-making
The drum supporting device 3 of device, accepts the Hot-blast Heating of specific range of temperatures, on cylinder surface shape-memory material in rotation
All concave points disappear immediately, its original flat form of printing roller surface recovery, the plate-making of new flower-shaped pattern can be re-used for.
Claims (6)
1. a kind of automatic platemaker of textile printing cylinder is it is characterised in that include:Shape memory printing roller, concave point calm down dress
Put, drum supporting device, annular knurl unit, rolling device and frame;Wherein, described shape memory printing roller, concave point calm down dress
Put, drum supporting device, annular knurl unit and rolling device are installed in frame;Shape memory printing roller fills in cylinder support
Put rotation and accept the rolling of annular knurl unit thereon;Annular knurl unit is arranged on rolling device and is provided by pressure to shape
Rolling process implemented by shape memory printing roller;Concave point flush device is with contactless mode of heating or contact mode of heating as shape
Memory printing roller fixed point provides heat, to be formed on concave point color separation pattern;Described concave point flush device is LASER HEATING
Device or thermal printing apparatus, annular knurl unit is knurled wheel or knurling roller.
2. according to claim 1 the automatic platemaker of printing roller it is characterised in that described shape memory printing roller is by gold
Belong to cylinder and cladding shape-memory material composition in its surface.
3. according to claim 1 the automatic platemaker of printing roller it is characterised in that described laser heating device includes laser
Device and laser scanning device;Described laser instrument is a kind of the continuous of high-average power or high repeat frequency pulsed laser device, averagely
Power is more than 1W, and repetition rate is more than 1kHz;Described laser instrument include semiconductor laser, solid state laser, optical fiber laser,
Gas laser;The laser beam that laser instrument sends incides laser scanning device, and focuses on corresponding position by laser scanning device
On the shape-memory material put.
4. according to claim 1 the automatic platemaker of printing roller it is characterised in that described thermal printing apparatus are beaten by temperature-sensitive
Print head, control circuit and its mechanical actuation device composition.
5. according to claim 1 the automatic platemaker of printing roller it is characterised in that described knurled wheel or knurling roller are surface
On be uniformly distributed hard alloy wheel or the roller of salient point.
6. a kind of method for platemaking of textile printing cylinder, the method is in the automatic platemaker of textile printing cylinder described in claim 1
Upper realization is it is characterised in that comprise the following steps:
(1) by the printing roller of knurled wheel or knurling roller rolling surface wrapped shapes memory material, thus on printing roller surface
Shape-memory material on form equally distributed concave point;
(2) according to computer color separating picture signal after laser heating device or thermal printing apparatus fixed point heating, it is heated
Concave point recovers its original flat form due to shape memory effect, and remaining unheated concave point forms color separation figure on printing roller
Case;
(3) weaving rolling will be arranged on corresponding to different color separation patterns according to the shape memory printing roller that above-mentioned steps (2) obtain
On cylinder printing machine, implement roller printing process, thus obtaining textile printing product;
(4), when stamp process completes to need to change design, printing roller is integrally heated to all concave points due to shape note
Recall effect and recover its original flat form;Repeat step (1)-(3), you can prepare the printing roller of new flower-shaped pattern again.
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JPH02229089A (en) * | 1989-03-03 | 1990-09-11 | Toppan Printing Co Ltd | Production of printing plate material and relief plate |
JPH04327992A (en) * | 1991-04-26 | 1992-11-17 | Mitsubishi Heavy Ind Ltd | Manufacture of lithography for printing using shape memory material |
JPH04369539A (en) * | 1991-06-19 | 1992-12-22 | Mitsubishi Heavy Ind Ltd | Manufacture of screen printing plate |
JPH05318956A (en) * | 1992-05-25 | 1993-12-03 | Matsushita Electric Ind Co Ltd | Screen plate of shape memory alloy |
JPH07256852A (en) * | 1994-03-18 | 1995-10-09 | Nikon Corp | Printing method and printer |
JPH11320811A (en) * | 1998-05-21 | 1999-11-24 | Sony Corp | Manufacture of cylindrical screen |
US7814830B2 (en) * | 2005-11-07 | 2010-10-19 | Xerox Corporation | Printing system using shape-changing materials |
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