Metal powder transfering printing process and equipment thereofTechnical field
The present invention relates to the textile printing and dyeing field, especially a kind of metal powder transfering printing process and equipment thereof.
Background technology
Transfer printing is the mode by printing, earlier be imprinted on body paper on the form of pattern disperse dyes, then by high temperature (190 ℃~220 ℃), principle according to the disperse dyes distillation, be printed on again on the required carrier, be generally polyester fabric, be called for short seal cloth, adopt drum-type thermal transfer printing machine usually; And gold stamping mainly be the method that adopts heating and pressurization, will be printed on the gold and silver art printing paper of pattern or literal, transfer to by the surface of thermoprint material by certain temperature and pressure, present metal-like in the part as interspersing or decorating.
If have transfer printing pattern and the gold stamping pattern of metal powder on same the cloth simultaneously, because metal powder itself is inconsistent with the material of traditional transfer printing dye, the tradition transfer printing is to adopt disperse dyes, transfer on the fabric by high temperature, dye sublimation, and metal powder itself can not produce the high temperature transfer, thereby can not finish transfer printing on same set of equipment simultaneously.In actual production, usually can only separate independent process: promptly on the thermal transfer printing machine, adopt transfering printing process that global pattern is printed earlier, make printed fabric, and then printed fabric is transferred on the thermoprinting machine, utilize forms such as plain net, cylinder to carry out gold stamping again local pattern.The scheme of this step-by-step processing not only takes time and effort, and production efficiency is low; And owing to need carry and reorientation the printed fabric of intermediate steps, therefore gold stamping pattern is difficult to accurately locate with decalcomania, skew usually occurs with crooked, has seriously influenced the quality of final products.And the gilding technology that carries out of traditional employing plain net or cylinder, need to consume a large amount of water, cause the waste of water resource and the pollution of environment.
Some achievements in research in the present industry, as the disclosed equipment of Chinese patent " gold stamping combination machine is spent in the 02248537.6---transfer printing ", purpose is that gilding press and printing machine are combined, realize dual-use, carry out stamp or gold stamping operation but this equipment can only be single, can not finish two kinds of technologies simultaneously.Chinese patent " processing technology and the embossing machine of a 200910041093.1---implanted article " then considers embossing and thermal transfer printing technology combines or embossing and gilding technology combine, but does not solve the problem that combines of thermal transfer printing and gilding technology equally.
Summary of the invention
The applicant needs independently to carry out separately at transfering printing process and gilding technology in the above-mentioned existing production, take time and effort, production efficiency is low and shortcoming such as poor product quality, a kind of rational in infrastructure, work continuous metal powder transfering printing process and equipment thereof are provided, have improved production efficiency and end product quality greatly.
The technical solution adopted in the present invention is as follows:
A kind of metal powder transfering printing process may further comprise the steps:
The first step: print transfer printing paper, comprise
-on blank stamp body paper, adopt disperse dyes to print the transfer printing pattern;
-at the needs metal powder transfer printing zone offset printing of employing decolouring earlier brush device printing decolouring blob of viscose;
-adopt the metal powder printing equipment to print the metal powder blob of viscose on decolouring blob of viscose surface;
Second step: adopt printing machine with the pattern transfer on the transfer printing paper to carrier.
It is further characterized in that: decolouring glue is that 92%~96% adhesive sticker and 4%~8% pigment mix by weight proportion.
Described adhesive sticker adopts the solvent-borne type non-setting adhesive cement, and described pigment is blue system or red colour system pigment.
The metal powder sizing material is that 5%~20% metal powder and 95%~80% PUR mix by weight proportion.
Described PUR adopts ethylene-vinyl acetate copolymer (EVA), middle low form; Described metal powder adopts copper bronze and aluminium silver powder.
The metal powder printing equipment carries out fusion to PUR and metal powder under 80 ℃~130 ℃ temperature, the liquidity scale of PUR viscosity is: 2# flow cup 20s~60s.
A kind of metal powder transfer printing device of producing according to above-mentioned technology, be connected in series successively by disperse dyes printing equipment, decolouring offset printing brush device, metal powder printing equipment, blank stamp body paper order is pressed on the version roller of each printing equipment by rubber roller, is printed to the transfer printing paper product; Printing machine utilizes the transfer printing paper product that carrier is carried out transfer printing.It is further characterized in that:
Described decolouring offset printing brush device structure is identical with described disperse dyes printing equipment structure, the stamp body paper is sent to by the conduction roller, rubber roller is pressed on print edition roller or the decolouring hectograph roller and rotation relatively, print edition roller or decolouring hectograph roller surface are manufactured with decalcomania, version roller bottom is immersed in the material pond, and dyestuff is dipped into pattern by rotation, screw in side on version roller top and be provided with scraper.
Described metal powder printing equipment is provided with heating tank in the bottom of gold and silver pink blossom version roller, screws in side on gold and silver pink blossom version roller top scraper is set; Heating tank is connected on the frame by the bottom elevation carriage, and heating tank heats by the heater strip of bottom land, the metal powder sizing material of splendid attire liquid state in the heating tank, and the temperature of metal powder sizing material is controlled by temperature controller.
The pattern of the gold and silver pink blossom version roller of the decolouring hectograph roller of described decolouring offset printing brush device and described metal powder printing equipment is in full accord, and the work rotation is synchronously strict.
Beneficial effect of the present invention is as follows:
The present invention has realized innovation to common process, has solved the problem that can not carry out the metal powder transfer printing in the conventional transfer printing, and the fabric of being printed is more attractive in appearance, fashion more.The present invention does not need to consume great amount of water resources and pollution in picture plain net or the cylinder gilding technology, can reach the purpose of cleaner production.The present invention reduces revenue stamp process, shortens process time, originally does gold stampingly after the first transfer printing of arts demand again, and complex procedures is loaded down with trivial details, just can finish in a technological process now, has saved manpower and resource greatly; Stamp speed can reach 600~1200 meters/hour when working continuously, and has improved stamp speed and output greatly, has guaranteed high-quality final products outward appearance simultaneously, has remarkable economic efficiency.
Description of drawings
Fig. 1 is that metal powder transfer printing paper of the present invention is made schematic diagram.
Fig. 2 is a metal powder transfer printing printing technology schematic diagram of the present invention.
Fig. 3 is a decolouring hectograph roller of the present invention.
Fig. 4 is a gold and silver pink blossom version roller of the present invention.
Fig. 5 is an A portion equipment schematic diagram among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
The present invention utilizes the transfer printing principle, at first common transfer printing pattern and metal powder zone map are printed on the stamp body paper in the lump, and then by high temperature common stamp is shifted with metal powder and to be printed on the carrier, adopt a cover technological process, just can finish two technologies of common transfer printing and metal powder transfer printing simultaneously, improve production efficiency and product quality greatly.Wherein, the technical process of printing common transfer printing pattern on the stamp body paper is identical with prior art with equipment, as shown in Figure 1, blankstamp body paper 100 passes through thecommon printing device 2 andprinting device 3 of a plurality of different disperse dyes successively byconduction roller 202 fromstock roll 1,stamp body paper 100 is pressed on the print edition roller 204 byrubber roller 203, print edition roller 204 surfaces are manufactured with the intaglio process floral pattern, its underpart is immersed in thedisperse dyes pond 205, and by the rotation dyestuff is dipped into pattern, screw in side at an upper portion thereof and be provided with scraper 201, excess dyestuff is scraped back in thedye cell 205, guarantee to print evenly attractive in appearance;Rubber roller 203 and the 204 relative rotations of print edition roller, and drivestamp body paper 100 stable and continuous processes, disperse dyes are printed on thebody paper 100, form thecalico paper 101 of required pattern.Usually the composition of transfer printing disperse dyes comprises 80%~98% diluent, mainly is alcohols; And 2%~20% colorant: as disperse red 60 #, disperse red 54#, disperse blue 72#.
The present invention has increased the printing technology of metal powder pattern in the back road of the printing technology of common transfer printing pattern, as shown in Figure 1,calico paper 101 after the printing of finishing common transfer printing pattern, enter decolouring offsetprinting brush device 4 and metalpowder printing equipment 5 successively, the transfer printing paster finishedproduct 103 that is attached with common transfer printing pattern and local metal powder transfer printing pattern at last simultaneously is collected as finished product volume 6.The basic structure of decolouring offsetprinting brush device 4 is identical withcommon printing device 2, difference is, splendid attire is disperse dyes in theliquid material pond 205, the bottom ofcommon printing device 2, and liquid material pond, thebottom 402 interior splendid attires of decolouring offsetprinting brush device 4 is decolouring glue, decolouring glue mixes (weight proportion) by 95% adhesive sticker and 5% pigment, adhesive sticker adopts solvent-borne type non-setting adhesive cement TB1549B(Changzhou synthetic material Co., Ltd), color is main with blueness system or redness, can play assistance like this to the flower effect, and can not shift, adopt 3120 sun-proof bright red BBC or phthalocyanine blues usually with high temperature.
As shown in Figure 5, metalpowder printing equipment 5 structures of the present invention are similar tocommon printing device 2,rubber rollers 503 and the 501 relative rotations of gold and silver pink blossom version roller will be involved at thecalico paper 102 that regional area has been printed adhesive sticker and be pressed on the gold and silver pinkblossom version roller 501; As shown in Figure 4, on gold and silver pinkblossom version roller 501, make need metal powder transfer printing on fabric pattern, gold and silver pinkblossom version roller 501 patterns are fully corresponding consistent with decolouringhectograph roller 401 patterns shown in Figure 3, and rotate when working and need strict guarantee synchronous; Bottom at gold and silver pinkblossom version roller 501 is provided withheating tank 502, andheating tank 502 is connected on the frame bybottom elevation carriage 506, and heats by theheater strip 504 of bottom land, screws in side on the top of gold and silver pinkblossom version roller 501scraper 507 is set; The metalpowder sizing material 505 of splendid attire liquid state in theheating tank 502, the temperature of metalpowder sizing material 505 is controlled bytemperature controller 509, temperature control head 508.Shears 506 can be used for regulating the height ofheating tank 502, to guarantee sizing material and the contact area of spending roller.
Metalpowder sizing material 505 of the present invention adopts metal powder and PUR to combine, and wherein the weight proportion of metal powder is 5%~20%, and the weight proportion of PUR is 95%~80%; PUR adopts ethylene-vinyl acetate copolymer (EVA), middle low form, and fusing point is at 77 ℃~96 ℃; Metal powder adopts copper bronze and aluminium silverpowder.In heating tank 502, control PUR temperature guarantees that the liquidity scale of viscosity is: 2# flow cup 20s~60s at 80 ℃~130 ℃.Rubber rollers applies certain pressure to calico paper and flower roller, is generally 5Kg/cm2, the print speed printing speed of a whole set of streamline is 1000~2000 meters/hour.
Calico paper finishedproduct 103 of the present invention rolls into after the finishedproduct volume 6, be transferred on the calico machine, as shown in Figure 2, continuous synchronously cartridge heater 8 after transferprinting paper product 103 is tensioned with lining 7 to be printed through the calico machine, this moment is under action of high temperature, disperse dyes on the common transfer printing pattern on the transferprinting paper product 103 distil and transfer on the fabric, fusion also takes place and transfers on the fabric in the PUR on the while metal powder transfer printing pattern, take to metal powder on the fabric simultaneously, thereby formed metal powder transfer printing pattern, because the existence of decolouring glue-line, so metal powder and transfer printing paper energy normal separation, can not remain on the transfer printing paper, thereby guarantee fund's silver powder decalcomania is complete.During actual job, the surface temperature control of cartridge heater 8 is at 200 ℃~230 ℃, 500 meters~1200 meters/hour of speeds of production.The waste paper of finishing after the transfer printing 104 is reclaimed by waste paper barrel 10, and the fabric of finishing printing carries out rolling by calico tube 9.
The present invention prints one deck decolouring glue earlier by the regional area that needs the metal powder transfer printing on the calico paper surface, then PUR is gone in the metal powder fusion, make metal powder attached to this pull-up coloring agent surface by pressure and temperature, become one thereby metal powder can be printed on the calico paper and with former common transfer printing; By normal printing technology common transfer printing pattern and metal powder pattern are transferred on the fabric simultaneously then.The low form PUR had solved metal powder itself and can not produce the problem that high temperature shifted thereby can not be used for conventional transfer printing as the carrier of metal powder during the present invention utilized.Because two kinds of patterns finish in same set of technological process, therefore there is not the problem of secondary location, the accuracy of fully can guarantee fund's silver powder pattern in whole decalcomania, locating, thus guarantee the quality of final calico.
More than describing is explanation of the invention, not that institute of the present invention restricted portion is referring to claim, under the situation of spirit of the present invention to the qualification of invention, the present invention can do any type of modification, and for example the present invention also can use on other carriers such as film printing.