CN115195316A - 3D object surface color printing method - Google Patents

3D object surface color printing method Download PDF

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Publication number
CN115195316A
CN115195316A CN202210797202.8A CN202210797202A CN115195316A CN 115195316 A CN115195316 A CN 115195316A CN 202210797202 A CN202210797202 A CN 202210797202A CN 115195316 A CN115195316 A CN 115195316A
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CN
China
Prior art keywords
roller
ink
color image
pva film
text
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Granted
Application number
CN202210797202.8A
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Chinese (zh)
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CN115195316B (en
Inventor
刘凯威
贺紫薇
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Beijing University of Technology
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Beijing University of Technology
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Priority to CN202210797202.8A priority Critical patent/CN115195316B/en
Publication of CN115195316A publication Critical patent/CN115195316A/en
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Publication of CN115195316B publication Critical patent/CN115195316B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00Inking and printing with a printer's forme
    • B41M1/14Multicolour printing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00Inking and printing with a printer's forme
    • B41M1/40Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20Diluents or solvents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J201/00Adhesives based on unspecified macromolecular compounds

Abstract

A3D object surface color printing method belongs to the fields of three-dimensional, surface, high polymer material and digital printing. The method comprises the following steps: manufacturing a blank printing plate, loading the color image-text ink information on the printing plate, coating an auxiliary solvent on the part to be printed on the surface of the 3D object to be printed, and forming a coating for bearing the color image-text ink information; pressing the side, provided with the color image-text ink information, of the printing plate with the color image-text ink information on the coating layer by using a tool according to the molded surface of the 3D object, and stripping the pet sheet of the printing plate with the color image-text ink information, so that the color image-text information on the pva film and the pva film is attached to the surface of the 3D object to be printed by means of the layer formed by the auxiliary solvent; the pva film is then peeled off from the surface of the object to be printed, leaving finally the colour graphic information. The invention has high precision, strong individuation and firm and durable color.

Description

3D object surface color printing method
Technical Field
The invention relates to a novel printing technology which can be used for carrying out color printing on the surface of a three-dimensional object (comprising Dan Caiti, a wall body, a metal object, plastic, wood, glass and the like). The color printing on the surfaces of movable objects and immovable objects made of the materials can be realized, particularly, the color printing on the surfaces of large movable and immovable objects can be effectively solved, and the color printing belongs to the fields of three-dimensional, surface, high polymer material and digital printing.
Background
In our living environment and natural environment, all object surfaces are composed of flat surfaces and irregular surfaces, such as automobile surfaces, airplane surfaces, tank surfaces, wall surfaces, roof surfaces, cylinder surfaces, rock surfaces and the like, and many objects in living environments, social environments, natural environments and the like. For these objects, it may be necessary to perform color pattern, identification or word processing on the object surface for certain requirements, such as car surface colored drawing, airplane body surface colored identification, large stone surface colored drawing, large identification object colored pattern expression, and the like. The current methods for meeting the requirements only comprise methods such as pasting, spraying or artificial drawing. For example, the existing techniques for painting automobiles are pasting, painting, and hand painting. For sticking, the sticking time is long, the sticking easily falls off, and the back adhesive can damage the car paint. Spraying can only finish simple pattern expression, and is difficult to realize for fine and complex graphics and texts. The hand painting takes a lot of time and is difficult to ensure batch consistency.
Disclosure of Invention
The invention aims to provide a new printing technical method aiming at the problem that the existing method cannot perfectly meet the requirements. The technology can meet the requirements of patterning the surface of a 3D object, and has the characteristics of high precision, strong individuation, firm and durable color, indoor and outdoor use and the like.
In order to achieve the above object, the present invention provides a method for color printing on a 3D object surface, comprising the steps of:
(1) Manufacturing a blank printing plate, wherein the blank printing plate comprises a pet sheet, a pva film and a coating agent, and the coating agent is used for bonding the pet sheet and the pva film together to form a double-layer structure;
(2) Preparing a printing plate with color image-text ink mark information, and adopting the blank printing plate prepared in the step (1) as a carrier to receive the color image-text ink mark information transmitted by a computer and an ink-jet printer to realize the manufacturing of the printing plate with the color image-text ink mark information; the color image-text ink information is loaded on the pva film;
(3) Coating an auxiliary solvent on a part needing to be printed on the surface of the 3D object to be printed to form a coating for bearing color image-text ink mark information;
(4) Pressing the side, with the color image-text ink information, of the printing plate with the color image-text ink information in the step (2) on the coating in the step (3) by using a tool according to the molded surface of the 3D object, and stripping the pet sheet of the printing plate with the color image-text ink information so as to attach the color image-text information on the pva film and the pva film to the surface of the 3D object to be printed by means of the layer formed by the auxiliary solvent;
(5) The pva film is peeled off again from the surface of the object to be printed, leaving finally the colour graphic information on the surface of the 3D object to be printed.
The blank printing plate in the step (1) sequentially comprises the pet sheet, the laminating agent layer and the pva film, wherein the pva film for receiving color graphic and text information belongs to a high polymer material and has two characteristics of good ink absorption and easy stripping of ink marks from the surface of a film body;
the coating agent is tasteless, transparent, adhesive, easy to coat, easy to peel off, quick-drying, and can be stored for a long time to ensure that the pva film body does not deform and delaminate. The covering and mixing agent is a liquid substance prepared by mixing three materials of water, gloss oil and a bonding agent according to a specific ratio, and the covering and mixing agent comprises the following components in percentage by mass:
5 to 15 percent of water-based adhesive
15-30% of water-based gloss oil
55 to 80 percent of water.
The pet sheet is 0.8 to 1 millimeter thick and is fully transparent, and wherein the pva film is also fully transparent, 0.01 to 0.10 millimeters thick.
The blank printing plate manufacturing process adopts a device shown in figure 3, and comprises four rollers which are externally tangent from bottom to top in sequence: the pet film is wound and wound from the tangent position between the roller 2 and the roller 3 to the tangent position between the roller 3 and the roller 4 by the roller 1, the roller 2, the roller 3 and the roller 4, the pva film is positioned on the pet sheet at the tangent position between the roller 3 and the roller 4 by the pva film roll and is wound together with the pet sheet, in the process, the roller 1 at the lowest position is soaked in the complexing agent liquid, the roller 1 transmits the complexing agent to the roller 2, the roller 2 coats the complexing agent liquid on the surface of the pet sheet, along with the rotation of the roller 3 and the roller 4, the complexing agent liquid is positioned between the pet sheet and the pva film at the tangent position between the roller 3 and the roller 4, a composite layer is formed by the extrusion of the roller 3 and the roller 4 and is wound together, and the surface of the composite layer after the complexing is cooled by cold air before winding; when in use, the cutting is carried out according to the required specification.
The method for preparing the printing plate attached with the color image-text ink mark information in the step (2) specifically comprises the following steps: artificially designing the color image-text information to be printed on the computer or downloading the color image-text information to the computer; and transmitting the color image-text information to the ink-jet printer, and jet-printing the color image-text information on the surface of the pva film of the blank printing plate by the ink-jet printer.
The auxiliary solvent in the step (3), wherein the auxiliary solvent can be instantly fused with the ink marks into a whole; instantly softening the ink without deformation of the image and text; the pva film can be completely separated from the ink marks under the action of external force such as artificial tearing, tearing and the like, and the ink marks to be printed can be firmly and accurately printed on the surface of the 3D object, wherein the auxiliary solvent comprises water, gloss oil and acrylic pigment mixed liquid which are prepared according to a specific ratio.
The auxiliary solvent comprises the following components in percentage by mass:
10-20% of propylene pigment blender
5 to 20 percent of water-based gloss oil
60-85% of water.
Drawings
Preferred embodiments of the invention will now be described in more detail, by way of example, with reference to the accompanying schematic drawings. In the drawings, there is shown in the drawings,
FIG. 1 is a schematic flow diagram of a 3D digital printing process according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a blank printing plate structure according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a blank printing plate making process according to an embodiment of the present invention;
FIG. 4 is a schematic illustration of a printing plate making process according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a printing plate structure according to an embodiment of the invention;
fig. 6 is a schematic view of a 3D printing process according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic flow diagram of a 3D digital printing process according to an embodiment of the present invention. As can be seen from the figure, the 3D digital printing process flow according to the present invention includes three process procedures: making a blank printing plate; the second program is that the blank printing plate is used as a carrier to receive the color image-text ink mark information transmitted by a computer and an ink-jet printer, thereby realizing the production of the printing plate with the color image-text ink mark information; and the third procedure is to complete the color image-text printing on the surface of the 3D object by combining the manufactured printing plate with another auxiliary solvent.
Fig. 2 is a schematic diagram of a blank printing plate structure according to an embodiment of the present invention. Among them, the blank printing plate according to the present invention includes a pet sheet, a pva film, and a covering agent. Wherein, the thickness of the pet sheet is 0.8-1 mm, and the process requires that the sheet is completely transparent. And wherein the Pva film is required to be completely transparent and has a thickness of 0.01 to 0.10 mm. The coating agent has the function of coating two materials between the pet sheet and the pva film, the coating agent is a liquid substance prepared by mixing three materials, and the process technology requires that the coating agent has the requirements of no smell, transparency, adhesion, easy coating, easy peeling, quick drying, long-term storage to ensure that the pva film body does not deform and does not separate from the layer and the like. The composite agent is not an adhesive with viscous substances, and is suitable for strict technological requirements, so that a novel composite agent is invented, and the composite agent is proportionally synthesized by water, gloss oil and the adhesive. Is one of the core technologies of the present invention,
fig. 3 is a schematic diagram of a blank printing plate making process according to an embodiment of the present invention. The blank printing plate according to the invention was made on a laminator, specifically with the pet web and pva web fixed in respective positions on the machine (as shown in figure 3), and after the machine was started, the applicator roller on the machine applied the liquid laminating agent to the pet sheet surface (coating thickness 5 g/m). And then laminating the pva film and the pet sheet by a compression roller, and cooling the surface of the laminated carrier by cold air. And then rolling or cutting according to the required specification.
FIG. 4 is a schematic illustration of a printing plate making process according to an embodiment of the present invention. The printing plate manufacturing process according to the invention is realized by a computer, an ink-jet printer and a blank printing plate. The method comprises the steps that the color graphic information to be printed is artificially designed on a computer or downloaded to the computer, then the graphic information is transmitted to an ink-jet printer, and the ink-jet printer prints the graphic information on a blank printing plate in a spraying mode, so that the printing plate for the color printing of the surface of the 3D object is manufactured. It should be noted that since the objects to be printed are in different environments (indoor or outdoor), the ink used in the inkjet printer must be a pigmented ink in order to meet the different environmental requirements. Moreover, the ink-jet printer used in the present invention is provided with white ink, thereby being more suitable for the wide and wide field of the printed object (it can be adapted to the substrate object with different colors on the surface, such as black, white, red, yellow … … or variegated color, etc. before the object is printed). Ink jet printers without white ink are also within the scope of the present invention, with only a small range of adaptability of the printed matter (only to printing of white-surfaced substrate objects).
FIG. 5 is a schematic diagram of a printing plate structure according to an embodiment of the invention. The blank printing plate according to the invention carries the colour image to be printed on the 3D object via a production process by means of a computer and an ink jet printer. Thereby achieving complete printing plate fabrication. The structure thereof is as shown in the figure and comprises: pet sheet, laminating agent layer, pva film and color picture and text ink layer.
The pva film body for receiving the color image-text ink marks belongs to a high polymer material and has two characteristics of good ink absorption and easy stripping of the ink marks from the surface of the film body. Both of which are necessary to implement the technique. It should be noted that a material must have both of the two key characteristics, so the pva material is the printing plate structure material which can not be replaced for implementing the technology, and the pva material is the core technology of the project for bearing the printing plate graphic information ink.
Fig. 6 is a schematic view of a 3D printing process according to an embodiment of the present invention. It is the main object of the present invention to enable printing of 3D object surfaces. Specifically, firstly, coating an auxiliary solvent on the surface of the object to be printed at the position needing printing, and then pressing the side of the printing plate carrying the color pictures and texts on the auxiliary cosolvent coating by using a tool according to the profile of the object. The process is carried out while peeling the pet sheet off the printing plate and then only the pva layer and the color image Wen Cengtie are attached to the surface of the object. Then stripping the pva film from the color pattern layer, and finally only the color pattern ink is remained on the surface of the object, so that the whole printing process is completed. It should be noted that the auxiliary solvent applied to the surface of the object to be printed is a key material for carrying out the technical process. The material is characterized in that: can be instantly integrated with the printing ink marks; ink is softened without any deformation of the image and text at the instant; the pva film can be completely separated from the ink marks under the action of external force, the ink marks to be printed can be firmly and accurately printed on the surface of an object, and another important technical requirement is that the surface of the object does not need a printing part and can not leave residues of auxiliary solvents.
While some preferred embodiments have been discussed in detail, other embodiments will be apparent to, or relatively easy to develop by, those of ordinary skill in the art. The present invention is intended to embrace all such alternatives, modifications and variances of the present invention discussed above, as well as other embodiments that fall within the spirit and scope of the above described invention. In this specification, the terms "comprises," "comprising," or similar terms are intended to mean non-exclusive inclusion.

Claims (7)

1. A3D object surface color printing method is characterized by comprising the following steps:
(1) Manufacturing a blank printing plate, wherein the blank printing plate comprises a pet sheet, a pva film and a coating agent, and the coating agent is used for bonding the pet sheet and the pva film together to form a double-layer structure;
(2) Preparing a printing plate with color image-text ink mark information, and adopting the blank printing plate prepared in the step (1) as a carrier to receive the color image-text ink mark information transmitted by a computer and an ink-jet printer to realize the manufacturing of the printing plate with the color image-text ink mark information; the color image-text ink information is loaded on the pva film;
(3) Coating an auxiliary solvent on a part needing to be printed on the surface of the 3D object to be printed to form a coating for bearing color image-text ink information;
(4) Pressing the side, with the color image-text ink information, of the printing plate with the color image-text ink information in the step (2) on the coating in the step (3) by using a tool according to the molded surface of the 3D object, and stripping the pet sheet of the printing plate with the color image-text ink information so as to attach the color image-text information on the pva film and the pva film to the surface of the 3D object to be printed by means of the layer formed by the auxiliary solvent;
(5) The pva film is peeled off again from the surface of the object to be printed, leaving finally the colour graphic information on the surface of the 3D object to be printed.
2. The method for color printing on the surface of a 3D object according to claim 1, wherein the blank printing plate in the step (1) sequentially comprises the pet sheet, the laminating agent layer and the pva film, and the pva film for receiving the color graphic information is made of a high molecular material and has two characteristics of good ink absorption and easy ink mark stripping from the surface of the film body.
3. A 3D object surface color printing method as claimed in claim 1, wherein the coating agent is odorless, transparent, adhesive, easy to apply, easy to peel, quick-dry, and capable of being stored for a long period of time to ensure that the pva film body does not deform and delaminate; the coating agent is a liquid substance prepared by mixing three materials of water, gloss oil and an adhesive according to a specific ratio, and comprises the following components in percentage by mass:
5 to 15 percent of water-based adhesive
15-30% of water-based gloss oil
55-80% of water.
4. A method for color printing of a surface of a 3D object according to claim 1, wherein the pet sheet is 0.8 mm to 1 mm thick and is fully transparent, and wherein the pva film is also fully transparent and is 0.01 mm to 0.10 mm thick.
5. A method for color printing of a surface of a 3D object according to claim 1, wherein the blank printing plate making process employs an apparatus comprising four rollers circumscribing in sequence from bottom to top: the pet film is wound and coiled from the tangent position between the roller 2 and the roller 3 to the tangent position between the roller 3 and the roller 4 by the roller 1, the roller 2, the roller 3 and the roller 4, the pva film is positioned on the pet film at the tangent position between the roller 3 and the roller 4 by the pva film coil and is coiled together with the pet film, in the process, the bottommost roller 1 is soaked in the complexing agent liquid, the roller 1 transmits the complexing agent to the roller 2, the roller 2 coats the complexing agent liquid on the surface of the pet film, along with the rotation of the roller 3 and the roller 4, the complexing agent liquid is positioned between the pet film and the pva film at the tangent position between the roller 3 and the roller 4, a composite layer is formed by extrusion of the roller 3 and the coiling roller 4, and the surface of the compounded composite layer is cooled by cold air before coiling; when in use, the cutting is carried out according to the required specification.
6. A method for color printing of a 3D object surface according to claim 1, wherein the step (2) of preparing a printing plate with color graphic and text ink information comprises the following steps: artificially designing the color image-text information to be printed on the computer or downloading the color image-text information to the computer; and transmitting the color image-text information to the ink-jet printer, and jet-printing the color image-text information on the surface of the pva film of the blank printing plate by the ink-jet printer.
7. A method for color printing a surface of a 3D object according to claim 1, wherein the auxiliary solvent of step (3) is capable of being instantaneously blended with the ink; instantly softening the ink without deformation of the image and text; the pva film can be completely separated from the ink marks under the action of external force such as artificial tearing, tearing and the like, and the ink marks to be printed can be firmly and accurately printed on the surface of the 3D object, wherein the auxiliary solvent comprises water, gloss oil and acrylic pigment mixed liquid which are prepared according to a specific ratio.
The auxiliary solvent comprises the following components in percentage by mass:
10-20% of propylene pigment blender
5 to 20 percent of water-based gloss oil
60-85% of water.
CN202210797202.8A 2022-07-05 2022-07-05 3D object surface color printing method Active CN115195316B (en)

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Application Number Priority Date Filing Date Title
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CN115195316B CN115195316B (en) 2024-03-08

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1871138A (en) * 2003-10-22 2006-11-29 可乐丽股份有限公司 Method of hydraulic transfer and hydraulic transfer base film
CN1918009A (en) * 2004-02-18 2007-02-21 泰卡株式会社 Hydraulic transfer product
CN101077667A (en) * 2007-06-22 2007-11-28 邹恒余 Locating transfer printing membrane disposable transfering method
CN104129214A (en) * 2014-07-29 2014-11-05 增城市运豪五金塑料有限公司 Transfer printing method of 3D stereoscopic color film
CN110039935A (en) * 2019-03-29 2019-07-23 广东宏达印业股份有限公司 A kind of high definition transfer film of no separating agent layer and its preparation and application
CN110626106A (en) * 2019-08-29 2019-12-31 庄合作 Transfer printing method for wall colored drawing or human body colored drawing tattoo and application of gentian violet solution
CN213831184U (en) * 2020-09-14 2021-07-30 海宁光圣晶体材料有限公司 PVA water transfer printing film

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1871138A (en) * 2003-10-22 2006-11-29 可乐丽股份有限公司 Method of hydraulic transfer and hydraulic transfer base film
CN1918009A (en) * 2004-02-18 2007-02-21 泰卡株式会社 Hydraulic transfer product
CN101077667A (en) * 2007-06-22 2007-11-28 邹恒余 Locating transfer printing membrane disposable transfering method
CN104129214A (en) * 2014-07-29 2014-11-05 增城市运豪五金塑料有限公司 Transfer printing method of 3D stereoscopic color film
CN110039935A (en) * 2019-03-29 2019-07-23 广东宏达印业股份有限公司 A kind of high definition transfer film of no separating agent layer and its preparation and application
CN110626106A (en) * 2019-08-29 2019-12-31 庄合作 Transfer printing method for wall colored drawing or human body colored drawing tattoo and application of gentian violet solution
CN213831184U (en) * 2020-09-14 2021-07-30 海宁光圣晶体材料有限公司 PVA water transfer printing film

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