CN114454633A - Automobile decoration and preparation method thereof - Google Patents
Automobile decoration and preparation method thereof Download PDFInfo
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- CN114454633A CN114454633A CN202210045407.0A CN202210045407A CN114454633A CN 114454633 A CN114454633 A CN 114454633A CN 202210045407 A CN202210045407 A CN 202210045407A CN 114454633 A CN114454633 A CN 114454633A
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- 238000005034 decoration Methods 0.000 title claims abstract description 87
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000007650 screen-printing Methods 0.000 claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000003973 paint Substances 0.000 claims abstract description 53
- 238000010023 transfer printing Methods 0.000 claims abstract description 53
- 238000005507 spraying Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000012528 membrane Substances 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 230000003213 activating effect Effects 0.000 claims abstract description 9
- 238000003892 spreading Methods 0.000 claims abstract description 5
- 230000007480 spreading Effects 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 15
- 238000007639 printing Methods 0.000 claims description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 10
- 229910052709 silver Inorganic materials 0.000 claims description 10
- 239000004332 silver Substances 0.000 claims description 10
- 239000003085 diluting agent Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000007592 spray painting technique Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 150000001491 aromatic compounds Chemical group 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000012190 activator Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 23
- 238000011161 development Methods 0.000 abstract description 6
- 238000012216 screening Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
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- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000001788 irregular Effects 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/40—Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/12—Transfer pictures or the like, e.g. decalcomanias
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0082—Digital printing on bodies of particular shapes
- B41M5/0088—Digital printing on bodies of particular shapes by ink-jet printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
Abstract
The invention relates to an automobile decoration and a preparation method thereof. The preparation method of the decoration comprises the following steps: pretreating and spraying primer on the decorating part; spreading the water transfer printing film on a transfer printing water tank, spraying an activating agent, placing the decorating part in the water tank, transferring the pattern to the surface of the decorating part, taking out and removing residues on the surface of the decorating part; primary silk-screen printing: silk-screening a first silk-screen pattern on an area of the decoration part needing to be provided with a regular pattern; and (3) secondary silk-screen printing: silk-screen printing a second silk-screen pattern on the first silk-screen pattern; and (3) carrying out third silk screen printing: adjusting the position of the silk-screen image layer, and silk-screen printing a third silk-screen pattern at the right end of the second silk-screen pattern; and spraying finish paint on the surface of the decorating part, and airing. The invention also provides an automobile decoration part which is prepared by the method. The invention solves the problems that the existing water transfer printing process of the decorating part has difficult membrane positioning and can not realize the decoration of regular patterns or special symbols, and simultaneously can also solve the problems of long development period and high cost of the INS process.
Description
Technical Field
The invention relates to the technical field of automobile interior trim, in particular to an automobile trim and a preparation method thereof.
Background
With the increasing popularity and technological progress of automobiles, people demand automobiles and put higher demands on the quality of interior decoration of automobiles besides the aspect of vehicle performance. Therefore, automobile manufacturers seek to perfect to meet the different needs of users.
At present, most of decorative panels for automobile interiors adopt processes such as paint spraying, water transfer printing, INS and the like. The paint spraying process comprises two procedures of priming paint and finishing paint, and specifically comprises the following steps: firstly, immersing the decorating part into a syrup-like paint groove, taking out and drying the primer; and then sending the mixture into a dust-free workshop, spraying finish paint by using an electrostatic paint spraying process, and drying the mixture at the temperature of about 200 ℃ to obtain the paint. However, the decorative part adopting the independent paint spraying has the defects of dull color and poor visual effect, does not have appearance aesthetic property, and has low use satisfaction degree. The water transfer printing process comprises the following specific processes: printing a pattern on the specially processed polymer film by using a positive printing machine, flattening and activating the polymer film in a water tank, and uniformly coating the pattern on the surface of the decoration by using a water pressure principle. The water transfer printing process has the advantage of low cost, but in the actual operation process, the membrane is very difficult to position, is only suitable for random irregular pattern transfer printing, and cannot realize the decorative effect of regular patterns or special symbols. The INS process (film insert molding) is a so-called insert injection molding process, in which a transfer-printed ABS sheet (generally 0.5 mm thick) is stretched three-dimensionally by a hot-plastic molding or high-pressure molding method, then an insert is cut out according to the shape of a product, and then the insert is accurately placed in an injection mold cavity for injection molding. The INS process has the advantages of accurate positioning and regular texture, and can effectively realize the decorative effect of various patterns, but the INS process has the problems of long membrane development period, high cost and the like, so that the requirement for rapid development of the automobile industry cannot be met.
Disclosure of Invention
The invention aims to provide an automobile decoration and a preparation method thereof, which are used for solving the problems that the existing water transfer printing process of the decoration is difficult in membrane positioning and cannot realize the decoration of regular patterns or special symbols, and can also solve the problems of long development period and high cost of an INS process.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a method of making an automotive trim part comprising the steps of:
1) pretreatment of a base material: carrying out dust removal and static electricity removal treatment on the decorating part;
2) primer spraying treatment: spraying primer on the decorating part, and then airing;
3) water transfer printing treatment: spreading a water transfer printing membrane on a transfer printing water tank, spraying an activating agent on the water transfer printing membrane, then placing a decorating part in the water tank, and transferring a pattern to the surface of the decorating part;
4) water washing and drying treatment: taking out the decoration piece, removing the residual water transfer printing film on the surface of the decoration piece, and then drying;
5) and (3) silk-screen printing treatment: first silk screen printing: silk-screen printing a first silk-screen pattern on an area of the decoration part needing regular pattern processing, and drying; and (5) second silk screen printing: silk-screen printing a second silk-screen pattern on the first silk-screen pattern, and drying; and (3) screen printing for the third time: adjusting the position of the silk-screen image layer, silk-screen printing a third silk-screen pattern at the right end of the second silk-screen pattern, and drying;
6) and (3) spray painting treatment: and spraying finish paint on the surface of the decorating part, and airing.
Among them, the existing water transfer printing process has a varnish spraying treatment after drying, and in the present application, the varnish spraying treatment is not required after drying.
Preferably, the decorative member is an instrument panel decorative panel.
Preferably, the method comprises the following steps:
1) pretreatment of a base material: hanging the instrument panel decoration panel after injection molding on a material rack, and performing dust removal and static electricity removal treatment on the instrument panel decoration panel;
2) primer spraying treatment: placing the pretreated instrument panel decoration panel on a paint spraying tool, uniformly spraying black primer, and then placing the instrument panel decoration panel on a material rack for natural drying;
3) water transfer printing treatment: flatly paving the water transfer printing membrane with the transferred patterns on a transfer printing water tank, uniformly spraying an activating agent on the water transfer printing membrane, and placing the instrument board decoration panel sprayed with the primer in the water tank after the membrane is uniformly spread, so that the patterns on the membrane are transferred to the surface of the instrument board decoration panel;
4) water washing and drying treatment: taking the instrument board decorative panel subjected to the water transfer printing treatment out of the water tank, cleaning the residual water transfer printing membrane on the surface of the instrument board decorative panel by using clear water to ensure that no white point and no crack exist on the transferred instrument board decorative panel, and then performing drying treatment;
5) and (3) silk-screen printing treatment: first silk screen printing: mixing required paint, a curing agent and a diluent according to a ratio, wherein the color of the paint comprises black, silver and red, then removing dust and static electricity of the instrument panel decoration panel, then placing the instrument panel decoration panel on a silk-screen printing positioning tool, shielding an area needing regular pattern processing on the instrument panel decoration panel by using a silk-screen printing plate, placing the black paint on the silk-screen printing plate, printing the black paint on the instrument panel decoration panel through the silk-screen printing plate under the action of a scraper to obtain the instrument panel decoration panel with a first silk-screen pattern, and then drying; and (5) second silk screen printing: placing the instrument board decoration panel with the first silk-screen pattern in a silk-screen printing positioning tool, aligning a silk-screen printing plate to the area of the first silk-screen pattern on the instrument board decoration panel, placing silver paint on the silk-screen printing plate, printing the silver paint on the first silk-screen pattern on the instrument board decoration panel through the silk-screen printing plate under the action of a scraper to obtain an instrument board decoration panel with a second silk-screen pattern, and then drying; and (3) screen printing for the third time: placing the instrument board decoration panel with the silk-screen printing pattern on a silk-screen printing positioning tool, adjusting the position of a silk-screen layer, aligning the left end of a silk-screen printing plate to the right end of the second silk-screen printing pattern on the instrument board decoration panel, shielding the second silk-screen printing layer, placing red paint on the silk-screen printing plate, printing the red paint on the first silk-screen printing pattern on the instrument board decoration panel through the silk-screen printing plate under the action of a scraper to obtain an instrument board decoration panel with a third silk-screen printing pattern, and then drying;
6) and (3) spray painting treatment: and spraying finish paint on the surface of the instrument panel decoration panel subjected to water transfer printing and silk printing, and placing the instrument panel decoration panel on a material rack for naturally drying.
Preferably, the activator is an aromatic compound.
Preferably, in the step 3), the water temperature in the water tank for water transfer printing treatment is 25-30 ℃, and the pH value is 6-7.
Preferably, in the step 5), the volume ratio of the paint to the curing agent to the diluent is 8: 1: 8.
preferably, in the step 4) and the step 5), the drying temperature is 22-26 ℃ and the time is 20-30 min.
Preferably, in the step 6), the volume ratio of the paint, the curing agent and the diluent in the finish paint is 3: 1: 0.8.
the invention also provides the automobile decoration part prepared by the preparation method.
The invention has the beneficial effects that:
according to the preparation method of the automobile decoration part, firstly, the decoration panel of the instrument panel is subjected to screen printing for multiple times after water transfer printing, so that the process defects that the water transfer printing is difficult to deform and position and personalized pattern design cannot be performed on the decoration panel of the instrument panel are overcome. The application range of water transfer printing and silk printing is expanded, the customization of multi-color and personalized patterns on the instrument panel decoration panel can be realized, and the visual quality of the automotive interior is improved; secondly, through optimizing the technological process, after the water transfer printing, carrying out the silk screen printing on the diaphragm, and finally spraying the sizing paint, the new technological scheme avoids the problems of non-scratch resistance and falling off caused by direct water transfer printing molding and silk screen printing, and simultaneously compared with the scheme of currently adopting INS, disassembling and the like, the preparation method has the advantages of simple process and easy realization, has obvious advantages on reducing the production cost and shortening the development period, and has popularization and application values in the technical field of automotive interior trim.
Drawings
FIG. 1 is a process flow diagram of the preparation method of the present invention;
fig. 2 is a schematic structural view of the instrument panel decoration panel after injection molding in example 1;
FIG. 3 is a schematic view showing the structure of a water transfer membrane in example 1;
fig. 4 is a schematic structural diagram of a first silk-screen pattern in embodiment 1;
FIG. 5 is a schematic structural view of a second screen printed pattern in example 1;
fig. 6 is a schematic structural diagram of a third silk-screen pattern in embodiment 1;
fig. 7 is a diagram of a finished product of the instrument panel decoration panel manufactured in example 1.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure herein, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings and preferred embodiments. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Example 1
As shown in fig. 1, a method for manufacturing an automobile trim part includes the steps of:
1) pretreatment of a base material: suspending the instrument panel decoration panel (shown in figure 2) after injection molding on a material rack, performing dust removal and static electricity removal treatment on the instrument panel decoration panel, and ensuring that the surface of the instrument panel decoration panel has no bad problems such as scratches, contraction marks and the like;
2) primer spraying treatment: placing the pretreated instrument panel decoration panel on a paint spraying tool, uniformly spraying black primer, and then placing the instrument panel decoration panel on a material rack for natural drying;
3) water transfer printing treatment: spreading a water transfer printing membrane (shown in figure 3) with the transferred patterns on a transfer printing water tank, uniformly spraying an activating agent on the water transfer printing membrane, uniformly spreading the membrane, placing the instrument board decoration panel sprayed with the primer in the water tank, and transferring the membrane patterns to the surface of the instrument board decoration panel under the combined action of water pressure and the activating agent; wherein the activating agent is an aromatic compound, the water temperature in the water tank is 25-30 ℃, and the pH value is 6-7;
4) water washing and drying treatment: taking the instrument board decorative panel subjected to the water transfer printing treatment out of the water tank, cleaning the residual water transfer printing membrane on the surface of the instrument board decorative panel by using clear water, performing appearance inspection on the membrane to ensure that the transferred instrument board decorative panel has no white point, crack and other problems, and then baking and drying the instrument board decorative panel at the temperature of 22-26 ℃ for 20-30min to further enhance the adhesive force between the membrane and the base material and remove moisture and impurities on the surface of the instrument board decorative panel;
among them, the existing water transfer printing process has a varnish spraying treatment after drying, and in the present application, the varnish spraying treatment is not required after drying.
5) And (3) silk-screen printing treatment: first silk screen printing: and (3) mixing the required paint, curing agent and diluent according to the volume ratio of 8: 1: 8, uniformly mixing the paint colors including black, silver and red, then removing dust and static electricity of the dried instrument panel decoration panel, placing the instrument panel decoration panel on a silk-screen printing positioning tool, adopting a silk-screen printing plate to shield an area needing regular pattern processing on the instrument panel decoration panel, placing the black paint on the silk-screen printing plate, printing the black paint on the instrument panel decoration panel through the silk-screen printing plate under the action of a scraper to obtain the instrument panel decoration panel with a first silk-screen pattern, and drying the instrument panel decoration panel with the black paint by silk-screen printing at the temperature of 22-26 ℃ for 20-30 min; and (5) second silk screen printing: placing the instrument board decorative panel with the first silk-screen pattern (shown in figure 4) in a silk-screen positioning tool, aligning a silk-screen plate to the area of the first silk-screen pattern on the instrument board decorative panel, placing silver paint on the silk-screen plate, printing the silver paint on the first silk-screen pattern on the instrument board decorative panel through the silk-screen plate under the action of a scraper to obtain an instrument board decorative panel with a second silk-screen pattern (shown in figure 5), and drying the instrument board decorative panel with the silver paint in a silk-screen manner at the temperature of 22-26 ℃ for 20-30 min; and (3) screen printing for the third time: placing the decorative panel with the silk-screen printing pattern on the silk-screen positioning tool, adjusting the position of the silk-screen layer, aligning the left end of the silk-screen printing plate to the right end of the second silk-screen printing pattern on the decorative panel of the instrument panel, shielding the second silk-screen printing layer, placing red paint on the silk-screen printing plate, printing the red paint on the first silk-screen printing pattern on the decorative panel of the instrument panel through the silk-screen printing plate under the action of a scraper to obtain the decorative panel of the instrument panel with a third silk-screen printing pattern (shown in figure 6), and drying at the temperature of 22-26 ℃ for 20-30 min;
6) and (3) spray painting treatment: spraying finish paint on the surface of the instrument panel decoration panel subjected to water transfer printing and silk-screen printing, and placing the instrument panel decoration panel on a material rack for naturally drying; the volume ratio of paint, curing agent and diluent in the finish paint is 3: 1: 0.8.
the actual product image of the surface plate decorative panel manufactured in this example is shown in fig. 7, and it is apparent from the image that the pattern on the instrument panel decorative panel is clear and regular, and has good appearance integrity.
In summary, according to the preparation method of the automobile decoration part, firstly, the instrument panel decoration panel is subjected to multiple screen printing after water transfer printing, so that the process defects that the water transfer printing is difficult to deform and position and personalized pattern design cannot be performed on the instrument panel decoration panel are overcome. The application range of water transfer printing and silk printing is expanded, the customization of multi-color and personalized patterns on the instrument panel decoration panel can be realized, and the visual quality of the automotive interior is improved; secondly, through optimizing on the technological process, after the water transfer printing, carry on the silk screen many times on the diaphragm again, spray the new technological scheme of the sizing paint finally, has avoided the direct water transfer printing shaping and then the silk screen printing appears the problem of not scraping-resistant, dropping, adopt INS, tear apart scheme contrast at present at the same time, the preparation method of the invention has the advantage that the process is simple, easy to realize, and have obvious advantages on reducing the production cost and shortening the development cycle, in the automotive interior technical field, have popularizing and applying the value.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention.
Claims (9)
1. A preparation method of an automobile decoration part is characterized by comprising the following steps:
pretreatment of a base material: carrying out dust removal and static electricity removal treatment on the decorating part;
2) primer spraying treatment: spraying primer on the decorating part, and then airing;
3) water transfer printing treatment: spreading a water transfer printing membrane on a transfer printing water tank, spraying an activating agent on the water transfer printing membrane, then placing a decorating part in the water tank, and transferring a pattern to the surface of the decorating part;
4) water washing and drying treatment: taking out the decoration piece, removing the residual water transfer printing film on the surface of the decoration piece, and then drying;
and (3) silk-screen printing treatment: first silk screen printing: silk-screen printing a first silk-screen pattern on an area of the decoration part needing regular pattern processing, and drying; and (5) second silk screen printing: silk-screen printing a second silk-screen pattern on the first silk-screen pattern, and drying; and (3) screen printing for the third time: adjusting the position of the silk-screen image layer, silk-screen printing a third silk-screen pattern at the right end of the second silk-screen pattern, and drying;
and (3) spray painting treatment: and spraying finish paint on the surface of the decorating part, and airing.
2. A method of producing an automotive trim part according to claim 1 wherein the trim part is an instrument panel trim panel.
3. A method of producing an automotive trim part according to claim 2, characterized by comprising the steps of:
pretreatment of a base material: hanging the instrument panel decoration panel after injection molding on a material rack, and performing dust removal and static electricity removal treatment on the instrument panel decoration panel;
primer spraying treatment: placing the pretreated instrument panel decoration panel on a paint spraying tool, uniformly spraying black primer, and then placing the instrument panel decoration panel on a material rack for natural drying;
water transfer printing treatment: flatly paving the water transfer printing membrane with the transferred patterns on a transfer printing water tank, uniformly spraying an activating agent on the water transfer printing membrane, and placing the instrument board decoration panel sprayed with the primer in the water tank after the membrane is uniformly spread, so that the patterns on the membrane are transferred to the surface of the instrument board decoration panel;
water washing and drying treatment: taking the instrument board decorative panel subjected to the water transfer printing treatment out of the water tank, cleaning the residual water transfer printing membrane on the surface of the instrument board decorative panel by using clear water to ensure that no white point and no crack exist on the transferred instrument board decorative panel, and then performing drying treatment;
and (3) silk-screen printing treatment: first silk screen printing: mixing required paint, a curing agent and a diluent according to a ratio, wherein the color of the paint comprises black, silver and red, then removing dust and static electricity of the instrument panel decoration panel, then placing the instrument panel decoration panel on a silk-screen printing positioning tool, shielding an area needing regular pattern processing on the instrument panel decoration panel by using a silk-screen printing plate, placing the black paint on the silk-screen printing plate, printing the black paint on the instrument panel decoration panel through the silk-screen printing plate under the action of a scraper to obtain the instrument panel decoration panel with a first silk-screen pattern, and then drying; and (5) second silk screen printing: placing the instrument board decoration panel with the first silk-screen pattern in a silk-screen printing positioning tool, aligning a silk-screen printing plate to the area of the first silk-screen pattern on the instrument board decoration panel, placing silver paint on the silk-screen printing plate, printing the silver paint on the first silk-screen pattern on the instrument board decoration panel through the silk-screen printing plate under the action of a scraper to obtain an instrument board decoration panel with a second silk-screen pattern, and then drying; and (3) screen printing for the third time: placing the instrument board decoration panel with the silk-screen printing pattern on a silk-screen printing positioning tool, adjusting the position of a silk-screen layer, aligning the left end of a silk-screen printing plate to the right end of the second silk-screen printing pattern on the instrument board decoration panel, shielding the second silk-screen printing layer, placing red paint on the silk-screen printing plate, printing the red paint on the first silk-screen printing pattern on the instrument board decoration panel through the silk-screen printing plate under the action of a scraper to obtain an instrument board decoration panel with a third silk-screen printing pattern, and then drying;
and (3) spray painting treatment: and (3) spraying finish paint on the surface of the instrument board decoration panel subjected to water transfer printing and silk screen printing, and placing the instrument board decoration panel on a material rack for naturally drying.
4. A method of producing an automobile trim according to claim 3, characterized in that the activator is an aromatic compound.
5. A method of manufacturing an automobile trim part according to claim 3, wherein in the step 3), the water temperature in the water tank for the water transfer printing treatment is 25 to 30 ℃ and the pH value is 6 to 7.
6. A method of producing an automotive trim according to claim 3, characterized in that in the step 5), the volume ratio of the paint, the curing agent and the diluent is 8: 1: 8.
7. the method of manufacturing an automobile decorative part according to claim 3, wherein in the step 4) and the step 5), the drying treatment is performed at a temperature of 22 ℃ to 26 ℃ for 20 min to 30 min.
8. A method of producing an automotive trim according to claim 3, wherein in step 6), the volume ratio of the paint, the curing agent and the diluent in the topcoat is 3: 1: 0.8.
9. an automobile decorative part produced by the production method according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210045407.0A CN114454633A (en) | 2022-01-15 | 2022-01-15 | Automobile decoration and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210045407.0A CN114454633A (en) | 2022-01-15 | 2022-01-15 | Automobile decoration and preparation method thereof |
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| CN114454633A true CN114454633A (en) | 2022-05-10 |
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| CN202210045407.0A Pending CN114454633A (en) | 2022-01-15 | 2022-01-15 | Automobile decoration and preparation method thereof |
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