Applique process
Technical field
The present invention relates to a kind of processing technology, more particularly, it relates to a kind of applique process.
Background technology
Along with improving constantly of people's living standard, people are also more and more higher to the pursuit of the aesthetics of product, and the quality that a lot of people weighs a product is often also weighed from the good-looking degree of its surface detail.
And the decorative pattern of product surface is all often adopt artificial drafting or is at the simple covering one deck marble paper of product surface at present, the decorative pattern drawn by these modes, decorative pattern and Total Product poor in conjunction with sense, and when product use of long duration after, often there is the phenomenon of fading in these decorative patterns, have a strong impact on the outward appearance of product, and a lot of consumer is after seeing that the decorative pattern of product surface fades, often all can select to abandon this product, thus also indirectly have impact on the service life of product, so how people ensure that when applique the non-fading technique of decorative pattern need to improve.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of applique process, can ensure that the product processed is attractive in appearance, the marble paper of product surface is will never fade.
For achieving the above object, the invention provides following technical scheme: a kind of applique process, production stage is as follows:
Step one: select marble paper;
Step 2: offset printing is carried out to marble paper;
Step 3: first time baking is carried out to the marble paper after offset printing;
Step 4: the coating that the complete marble paper of baking carries out melamine liquid is soaked;
Step 5: the marble paper after soaking is dried;
Step 6: the marble paper after drying is shaped;
Step 7: marble paper is attached to the product surface that machine-shaping is good;
Step 8: carry out secondary mould pressing to the product posting marble paper by mould, shaping, the temperature that wherein product posts marble paper one end inside mould is higher than the temperature of the product other end.
Preferably, also comprise step 9: shaping product is carried out injector surface process, then the product after oil spout process is carried out second time baking.
Preferably, the baking time of second time baking is 80-100 minute, and the temperature of second time baking is 95-105 degree.
Preferably, in step one, marble paper is chosen as high fine paper.
Preferably, high temperature lacquer is used to carry out offset printing to marble paper surface in step 2.
Preferably, in step 3, the baking time of first time baking is 34-38 hour, and primary baking temperature is 90-100 degree.
Preferably, in step 8, product posts the temperature of marble paper one end is 180-200 degree, and the temperature of the other end is 150-170 degree.
Preferably, in step 8, the time of product secondary mould pressing is 40-50s.
Compared with prior art, beneficial effect of the present invention is: select a kind of marble paper, then offset printing is carried out to marble paper, thus on marble paper, obtain a kind of pattern expecting obtaining, then by first time baking, thus marble paper is dried, make the pattern sizing be imprinted on marble paper, and then to be all coated with on the two sides of the good marble paper of offset printing and to spread melamine liquid, make marble paper nonflammable, water-fast, heat-resisting, ageing-resistant, resistance to electric arc, resistance to chemical attack, improve the insulating properties of marble paper, glossiness and mechanical strength, and then marble paper is carried out drying process, and due to marble paper be become dry by the state wet, therefore after marble paper is dried, the shape of marble paper can produce change to a certain degree, therefore need by carrying out heat treatment to marble paper, prevent marble paper from occurring buckling phenomena, then mould is started, to the product of applique be needed to be placed in the die cavity of mould again, again stereotyped marble paper is attached to the place of product needed applique, then by mould matched moulds, thus marble paper and product are well combined, and by arranging the different of product two ends temperature, because want marble paper and product well fits together, then need certain high temperature just passable, one end that product does not post marble paper does not then need so high temperature, can effective economize energy, come by this method to carry out applique to product, make together with the good structure of marble paper and product, marble paper part there will not be the phenomenon of fading, improve product aesthetic measure.
Detailed description of the invention
Select a kind of marble paper, the fine paper of height of the material of the preferred marble paper of the present invention, because high fine paper is not easy to occur fracture phenomena, can be good at absorbing ink, there is again good heat-resisting quantity simultaneously, then offset printing is carried out to marble paper, thus on marble paper, obtain a kind of pattern expecting obtaining, the preferred high temperature lacquer of the present invention carries out offset printing to marble paper surface, improve the heat-resisting quantity being printed on the upper figure line of marble paper, then marble paper is put into baking box, the baking temperature arranged in baking box is 90-100 degree, when baking temperature is 90 degree time, although marble paper surface has been toasted and has been done, but after a long time use, pattern on marble paper there will be fading to a certain extent, when baking temperature is 95 degree time, relative to 90 degree, the situation that marble paper fades after a long time use has had improvement to a certain degree, and when baking temperature is 100 degree time, pattern on marble paper is will never fade, baking time is 34-38 hour, when being when baked 34h, although marble paper surface drying, but high temperature lacquer and marble paper well do not combine, therefore the words used for a long time there will be the phenomenon of fading, and when baked between for can make when 36h the pattern of offset printing on marble paper well and marble paper combine, prevent pattern from occurring fading, when being when baked 38h, can to marble paper generation damage to a certain degree itself, and then by artificial mode the two sides of marble paper good for offset printing to be all coated with and to spread melamine liquid, make nonflammable, water-fast, heat-resisting, ageing-resistant, the resistance to electric arc of marble paper, resistance to chemical attack, improve the insulating properties of marble paper, glossiness and mechanical strength, and then marble paper is suspended on indoor, make its natural air drying, and after being dried by marble paper, the shape of marble paper can produce change to a certain degree, therefore need, by carrying out heat treatment to marble paper, to prevent marble paper from occurring buckling phenomena.
The present invention preferably first starts mould, by the mode injection molding product of injection molding, injection time is 60s, this time product is just shaping, save process time, then die sinking, again stereotyped marble paper is attached to the place of product needed applique, then by mould matched moulds, secondary mould pressing is carried out to product, the time of secondary mould pressing is 40-50s, the present invention is 45s the preferred pressing mold time, melamine and product surface can be made to react completely, thus marble paper and product surface are well combined, because product now has certain high temperature, therefore, it is possible to save mould to the heat time of product, enable the temperature in die cavity very fast reach required temperature, save the energy, the temperature making product post one end of stamp is 180-200 degree, when temperature is 180 degree time, also there is the incomplete reaction of small part in melamine and product surface, but the fusion of marble paper and product can not be affected on the whole, when temperature is 200 degree time, melamine and product surface can be made to occur reacting, the present invention is preferably 190 degree, can make to spread upon melamine on marble paper and product surface curing reaction complete, marble paper and product are well merged, and the one end of not posting marble paper due to product does not need to be cured reaction, but in order to ensure that product posts marble paper one end and can carry out effective curing reaction, therefore the temperature of the one end of product not being posted marble paper is needed to be set to 150-170 degree, when temperature is 150 degree time, the fixation reaction generation impact to a certain extent of marble paper one end can be posted on product, and time if temperature is 170 degree, the waste of a part of energy can be caused, preferable reaction temperature of the present invention is 160 degree, the whole secondary mould pressing stage can be reduced and cause energy loss, the product simultaneously ensured posts marble paper one end and melamine carries out effective curing reaction.
And if carry out applique to bamboo fiber products, in order to ensure the water proofing property of product and improve the life-span of product, the product surface good to applique is then needed to do oil spout process, then the product after oil spout process is carried out second time baking, this time the temperature of baking is 95-105 degree, baking time is 80-100 minute, 100 degree of the preferred second time baking temperature of the present invention, baking time is 90 minutes, the paint finish-drying of product surface can be made, come by this method to carry out applique to product, marble paper and product are well combined, marble paper part there will not be the phenomenon of fading, improve product aesthetic measure, can not cause damage to product again simultaneously.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.