CN118106604A - Appearance design scheme after spray painting and laser carving - Google Patents
Appearance design scheme after spray painting and laser carving Download PDFInfo
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- CN118106604A CN118106604A CN202410234019.6A CN202410234019A CN118106604A CN 118106604 A CN118106604 A CN 118106604A CN 202410234019 A CN202410234019 A CN 202410234019A CN 118106604 A CN118106604 A CN 118106604A
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- 238000013461 design Methods 0.000 title claims abstract description 31
- 238000007592 spray painting technique Methods 0.000 title claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims description 57
- 239000011248 coating agent Substances 0.000 claims description 56
- 239000003973 paint Substances 0.000 claims description 56
- 230000007547 defect Effects 0.000 claims description 39
- 238000010329 laser etching Methods 0.000 claims description 30
- 238000005498 polishing Methods 0.000 claims description 27
- 238000010147 laser engraving Methods 0.000 claims description 26
- 230000000694 effects Effects 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 17
- 230000002950 deficient Effects 0.000 claims description 16
- 238000007665 sagging Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 9
- 244000137852 Petrea volubilis Species 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 238000010422 painting Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 4
- 239000012459 cleaning agent Substances 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 claims description 3
- 238000007590 electrostatic spraying Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 229910052705 radium Inorganic materials 0.000 claims description 2
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 claims description 2
- 230000004075 alteration Effects 0.000 claims 1
- 238000007790 scraping Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 66
- 239000002987 primer (paints) Substances 0.000 description 44
- 238000000227 grinding Methods 0.000 description 11
- 238000007689 inspection Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005282 brightening Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- -1 removing greasy dirt Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000009494 specialized coating Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/061—Special surface effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/53—Base coat plus clear coat type
- B05D7/534—Base coat plus clear coat type the first layer being let to dry at least partially before applying the second layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention is suitable for the technical field of spray painting laser carving design schemes, and provides a spray painting laser carving post-appearance design scheme which comprises a plurality of working procedures of pretreatment, primer spraying, finish spraying, laser carving treatment and post-treatment.
Description
Technical Field
The invention belongs to the technical field of paint spraying laser engraving design schemes, and particularly relates to a paint spraying laser engraving post-appearance design scheme.
Background
The painting and laser carving technology combines the layering sense of the traditional painting technology and the accuracy of the laser carving technology, and the painting and laser carving technology gives a unique and attractive appearance effect to the product, so that the product has higher identification degree and attractive force;
the design scheme has wide application in a plurality of industries, in particular in the fields of automobiles, household appliances, electronic products and the like; in the industries, the appearance quality of the product is important to the market competitiveness and the user experience, so that the application of the process not only improves the overall aesthetic feeling of the product, but also enhances the market competitiveness of the product;
Although paint spraying and laser engraving techniques have many advantages, challenges and difficulties are still faced in the practical construction process, wherein the fact that the surface paint is not firmly adhered is a common problem, and the surface roughness is caused by the fact that the product is not properly treated before the primer is sprayed, or the compatibility between the primer and the surface paint is poor, if the surface paint is not firmly adhered to the primer, the coating can be peeled off or worn, and the appearance and durability of the product are seriously affected; thereby affecting the appearance quality of the product,
In addition, the defects of obvious color difference, inconsistent glossiness and the like on the surface of the product can be caused by rough surface and inconsistent film thickness, and the defects of obvious color difference, inconsistent glossiness and the like on the surface of the product can be caused by the problems.
Disclosure of Invention
The invention provides a design scheme of appearance after spray painting and laser carving, which aims to solve the problems that in the existing spray painting and laser carving construction process, a product is not properly treated before primer spraying, coating peeling or abrasion is possibly caused, the surface is rough, the thickness of a paint film is inconsistent, and the appearance and durability of the product are seriously affected; thereby affecting the appearance quality of the product.
The invention is realized in such a way that the design scheme of the appearance after painting and laser carving comprises the following steps:
Step 1, pretreatment: removing greasy dirt, dust and other impurities on the surface of the product by using a proper cleaning agent or solvent, ensuring that the surface is completely dry, and no moisture or other liquid remains, checking whether the surface is smooth or not, and repairing or polishing if the surface is uneven or defective;
Step 2, spraying primer: according to the requirements, multi-layer primer spraying can be selected, the type and the color of the primer are selected to be suitable, and the spraying is performed according to the material and the requirements of the product; ensuring that the primer uniformly covers the whole surface, avoiding the condition of missing coating or uneven thickness, checking whether the primer has a defect or uneven place after being dried, and repairing;
Step 3, spraying finishing paint: proper color and glossiness of the finishing paint are selected according to the requirements, before the finishing paint is sprayed, whether the primer is completely dried or not can be checked again, proper spraying equipment and technology are used for ensuring the uniformity and smoothness of the finishing paint, avoiding the defects of sagging, orange peel and the like, and after the finishing paint is dried, the quality and appearance of the coating are checked for ensuring the compliance with the requirements;
Step 4, laser carving treatment: after the finish paint is dried, carrying out laser etching treatment by using a laser etching machine, adjusting parameters of the laser etching machine according to design patterns or characters, and observing the laser etching effect in the laser etching process, and adjusting the parameters at any time to achieve the optimal effect; after laser etching is finished, whether the laser etching part is clear and complete or not is checked, and whether the laser etching part meets the design requirement or not is judged.
Step 5, post-treatment: according to the requirement, proper tools or equipment can be used for slightly polishing or polishing, so that the laser engraving part is more prominent and smoother, the appearance quality of the whole product is checked, and no defect or defective product is ensured.
Preferably, in the step 1, for uneven or rough and defective parts of the product, sand paper or grinding machine with the mesh number of 60 to 80 can be selected for rough grinding treatment, and sand paper or grinding machine with the mesh number of 240 to 320 can be selected for subsequent grinding of the product for brightening and finishing treatment.
Preferably, in the step 2, after each primer layer is sprayed and dried, the primer layer needs to be carefully inspected to identify specific defect types, such as missing coating, uneven thickness and sagging, and then the surface of the repair area is treated to remove surface impurities, and if the defect is serious, a slight polishing treatment can be performed to ensure the flatness and cleanliness of the surface of the repair area.
Preferably, in the step 2, after the surface treatment of the repair area, the paint of the same type and color as the primer is used to repair the defective area, when the paint is repaired, the paint is uniformly coated to avoid new defects, and the paint is re-dried, and after the primer is dried, the repair area is inspected again to ensure that the coating is flat and uniform without obvious defects, and if the defect or the unevenness is found, the repair step can be repeated for adjustment.
Preferably, in the step 2, the drying time of the primer depends on the type and thickness of the coating, and factors such as ambient temperature and humidity, and the primer can be rapidly cured by ultraviolet irradiation for a long period of time, and the repair area should be prevented from being touched or scratched during waiting for drying.
Preferably, in the step 3, before the top coat is sprayed, it is checked again whether the primer is completely dried, and the degree of drying can be judged by touching or tapping the surface of the coating.
Preferably, in the step 3, a proper spraying technique such as air spraying, airless spraying or electrostatic spraying is used, a proper spraying method is selected according to the type of paint and the desired effect, and the spraying distance, the spraying speed and the angle of the spray gun are controlled to obtain a uniform coating thickness and a smooth surface effect, and attention is paid to the treatment of the overlapping region of spraying, so that the occurrence of the seam mark or the color difference is avoided.
Preferably, in the step 3, after finishing the spraying of the finish paint, the coating is naturally dried under the condition of proper temperature and humidity, the drying time is determined according to the description of the coating, and after drying, the quality and appearance of the coating are carefully checked, so that the defects of sagging, orange peel, pinholes and the like are avoided, the color is uniform and consistent, and the glossiness meets the requirements.
Preferably, the parameter adjustment of the laser engraving machine includes power, speed, focal length and the like so as to obtain the required laser engraving effect.
Preferably, in the post-treatment, appropriate tools or equipment can be used for slightly polishing or polishing as required, so that the laser carving part is more prominent and smooth, and the appearance quality of the whole product is checked to ensure that no defect or defective product exists.
Compared with the prior art, the embodiment of the application has the following main beneficial effects:
the method comprises the following steps: according to the invention, through the combination of a plurality of steps, the refinement and the high customization of the appearance of the product are ensured, from the pretreatment, the attention and the treatment of the surface details of the product, such as removing greasy dirt, dust, repairing surface flaws and the like, are emphasized, the requirements for ensuring the uniformity and smoothness of the coating are also provided by the scheme in the spraying process of the primer and the finish paint, the common defects of sagging, orange peel and the like are avoided, and finally, the complicated pattern and character design can be realized on the surface of the product through the radium carving treatment, so that the individuation and the uniqueness of the product are further increased.
And two,: the invention emphasizes the importance of quality inspection and process control in each step, for example, after the primer and the finish paint are sprayed, whether the quality and the appearance of the coating meet the requirements or not can be checked, and parameters can be adjusted at any time according to the laser etching effect in the laser etching treatment process so as to ensure that the best effect is achieved.
And thirdly,: the invention further improves the definition and smoothness of the laser engraving part through polishing and polishing in post-treatment, so that the laser engraving part is more outstanding and exquisite, and finally, the defect-free and defective products of the product are ensured through checking the appearance quality of the whole product, and the overall quality and customer satisfaction of the product are improved.
Drawings
FIG. 1 is a flow chart of a design of the present invention;
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The embodiment of the invention provides a design scheme of a spray-painted laser carving, as shown in fig. 1, comprising the following steps:
Step 1, pretreatment: removing greasy dirt, dust and other impurities on the surface of the product by using a proper cleaning agent or solvent, ensuring that the surface is completely dry, and no moisture or other liquid remains, checking whether the surface is smooth or not, and repairing or polishing if the surface is uneven or defective;
Step 2, spraying primer: according to the requirements, multi-layer primer spraying can be selected, the type and the color of the primer are selected to be suitable, and the spraying is performed according to the material and the requirements of the product; ensuring that the primer uniformly covers the whole surface, avoiding the condition of missing coating or uneven thickness, checking whether the primer has a defect or uneven place after being dried, and repairing;
Step 3, spraying finishing paint: proper color and glossiness of the finishing paint are selected according to the requirements, before the finishing paint is sprayed, whether the primer is completely dried or not can be checked again, proper spraying equipment and technology are used for ensuring the uniformity and smoothness of the finishing paint, avoiding the defects of sagging, orange peel and the like, and after the finishing paint is dried, the quality and appearance of the coating are checked for ensuring the compliance with the requirements;
Step 4, laser carving treatment: after the finish paint is dried, carrying out laser etching treatment by using a laser etching machine, adjusting parameters of the laser etching machine according to design patterns or characters, and observing the laser etching effect in the laser etching process, and adjusting the parameters at any time to achieve the optimal effect; after laser etching is finished, whether the laser etching part is clear and complete or not is checked, and whether the laser etching part meets the design requirement or not is judged.
Step 5, post-treatment: according to the requirement, proper tools or equipment can be used for slightly polishing or polishing, so that the laser engraving part is more prominent and smoother, the appearance quality of the whole product is checked, and no defect or defective product is ensured.
It is noted that, in the existing spray painting laser carving construction process, the product is not properly treated before the primer is sprayed, so that the coating is possibly peeled off or worn, the surface is rough and the thickness of the paint film is inconsistent, and the appearance and durability of the product are seriously affected; therefore, the problem of influencing the appearance quality of the product is solved, the refinement and the high customization of the appearance of the product are ensured through careful combination steps, and the overall quality of the product and the customer satisfaction are obviously improved. From pretreatment to post-treatment, each step is carefully designed and strictly executed, so that the surface of the product reaches the optimal state, the attention and treatment of the surface details of the product in the pretreatment stage lay a solid foundation for the subsequent steps, the spraying process of the primer and the finish paint ensures the uniform and smooth coating, common defects are avoided, and the laser carving treatment adds individuation and uniqueness to the product. In addition, the invention emphasizes the importance of quality inspection and process control, ensures that each step meets the expected requirement, and the final post-treatment step further improves the definition and smoothness of the laser carving part, so that the product is more exquisite.
Specifically, in this embodiment, the solution mainly includes pretreatment, primer spraying, top coating, laser etching treatment and post-treatment, where pretreatment is a key step before coating, and mainly includes removing oil stain, dust and other impurities on the surface of the product by using a proper cleaner or solvent; through the step, the surface of the product is ensured to be clean and dry, and a good foundation is provided for subsequent coating; the primer spraying is an important link in the coating process, can not only enhance the adhesive force between a coating and the surface of a product, but also provide a smooth foundation, so that the finish paint is easier to spray and has better effect; according to the material and the requirement of the product, proper primer types and colors are selected, so that the primer can cover the whole surface uniformly, and the missing coating or uneven thickness can be avoided; finish paint spraying is a key step for determining the final appearance effect of the product; proper color and glossiness of the finish paint are selected according to the requirements, proper spraying equipment and technology are used to ensure the uniformity and smoothness of the finish paint, and the defects of sagging, orange peel and the like are avoided; after the finish paint is dried, quality inspection is carried out to ensure that the coating meets the requirements; after the finish paint is dried, carrying out laser etching treatment; according to the design pattern or the characters, accurately carving by using a laser carving machine; parameters of the laser engraving machine are adjusted to obtain the best laser engraving effect; after laser etching is finished, checking whether the laser etching part is clear and complete or not and meets the design requirement or not; the post-treatment is the supplement and perfection of the whole coating and laser carving flow; the method comprises the steps of slightly polishing and polishing the product to make the laser carving part more prominent and smooth; meanwhile, the appearance of the whole product is comprehensively checked, so that no defect and no defective product are ensured; and after the product is finally checked to be qualified, packaging and storing are carried out, so that the safety of the product in the transportation and storage processes is ensured.
In a further preferred embodiment of the present invention, as shown in fig. 1, in the step 1, for the uneven or rough defect portion of the product, a sand paper or a grinding machine with a mesh number of 60 to 80 may be selected for rough grinding, and for the subsequent grinding of the product, a sand paper or a grinding machine with a mesh number of 240 to 320 may be selected for polishing and finishing.
In this embodiment, after rough grinding, the roughness of the product surface is significantly reduced, and when sand paper or a grinding machine with higher mesh is used, the sand grain or abrasive on the surface is smaller, so the friction force is smaller, the friction can further smooth the product surface, fine flaws and unevenness are removed, and after brightening and finishing, the product surface is smoother and brighter, thus providing better preparation for subsequent coating and laser engraving treatment.
In a further preferred embodiment of the present invention, as shown in fig. 1, in the step 2, after each layer of primer is sprayed and dried, the primer coating needs to be carefully inspected to identify specific defect types such as missing coating, uneven thickness and sagging, then the surface of the repair area is treated to remove surface impurities, and if the defect is serious, a slight polishing treatment can be performed to ensure the flatness and cleanliness of the surface of the repair area.
In this embodiment, professional spraying equipment and technology are used, parameters and spraying conditions of the spraying equipment are adjusted to ensure that the primer can uniformly cover the whole product surface, a layer of uniform coating can be formed on the product surface by resin or epoxy resin and other synthetic polymer materials in the primer, and the resin or the epoxy resin can undergo a crosslinking reaction in the drying process of the primer coating to form a stable coating structure.
In a further preferred embodiment of the present invention, as shown in fig. 1, in the step 2, after the surface treatment of the repair area, the paint of the same type and color as the primer is used to repair the defective area, and during the paint repair, the paint is ensured to be uniformly coated, so as to avoid new defects, and re-dried, and after the primer is dried, the repair area is inspected again, so as to ensure that the coating is flat and uniform, no obvious defects are generated, and if any unevenness or defects are found, the repair step can be repeated for adjustment.
In this example, the same type and color of paint as the primer was chosen to ensure that the color, gloss and texture of the repaired matches the original surface.
In a further preferred embodiment of the present invention, as shown in fig. 1, in the step 2, the drying time of the primer depends on the type and thickness of the coating, and factors such as ambient temperature and humidity, and the primer can be rapidly cured by ultraviolet irradiation for a long drying time, and the repair area should be prevented from being touched or scratched during the waiting for drying.
In this example, for a coating containing a photoinitiator, the rapid curing can be achieved by Ultraviolet (UV) radiation, ensuring that the primer dries quickly and uniformly under optimal conditions, thus providing a solid basis for subsequent coating applications.
In a further preferred embodiment of the present invention, as shown in fig. 1, in the step 3, before the top coat is sprayed, it is checked again whether the primer is completely dried, and the drying degree can be judged by touching or tapping the surface of the coating.
In this embodiment, in addition to the above-described method, a specialized coating dryness measuring instrument, such as a coating dryness meter, may be used to more accurately measure the dryness of the coating, and these instruments may measure the humidity or dryness of the coating surface, thereby providing more accurate dry state information, and it is important to note that even if the primer has been primarily dried, it is ensured that it is completely cured and then sprayed with the top coat.
In a further preferred embodiment of the present invention, as shown in fig. 1, in the step 3, a suitable spraying technique, such as air spraying, airless spraying, or electrostatic spraying, is used, a suitable spraying method is selected according to the type of the coating and the desired effect, and the spraying distance, the spraying speed, and the angle of the spray gun are controlled to obtain a uniform coating thickness and a smooth surface effect, and attention is paid to the treatment of the overlapping region of the spraying, so as to avoid occurrence of the seam mark or the color difference.
In this embodiment, the spraying sequence is performed in a specific sequence, such as spraying the edge first and then spraying the middle area, or using a cross-spraying method, to ensure that the previous layer of coating is not completely dried so that the newly sprayed coating can be fused with it when spraying the overlapping area.
In a further preferred embodiment of the present invention, as shown in fig. 1, in the step 3, after finishing the spraying of the top coat, the coating is naturally dried under the condition of proper temperature and humidity, the drying time should be determined according to the description of the coating, and after drying, the quality and appearance of the coating are carefully checked, so as to ensure that no sagging, orange peel, pinholes and other defects exist, the color is uniform and consistent, and the glossiness meets the requirements.
In this embodiment, after the repair or repainting of the coating is completed, the overall evaluation is performed to ensure that the coating has a smooth and even appearance, uniform color and gloss, and no obvious defects or problems.
In a further preferred embodiment of the present invention, as shown in fig. 1, the parameter adjustment of the laser engraving machine includes power, speed, focal length, etc. to obtain the desired laser engraving effect.
In this embodiment, in addition to the above three main parameters, other parameters, such as laser frequency, scanning mode, etc., may need to be adjusted to obtain the best laser carving effect, and in actual operation, multiple tests and adjustments may need to be performed to find the parameter combination most suitable for the specific material and effect.
In a further preferred embodiment of the present invention, as shown in fig. 1, in the post-treatment, appropriate tools or equipment may be used to perform light polishing or polishing as required, so that the laser engraving portion is more prominent and smoother, and the appearance quality of the whole product is checked, thereby ensuring no defects or defective products.
In this embodiment, post-treatment plays a vital role in improving the appearance quality and the laser engraving effect of the product, and through reasonable steps such as grinding, polishing and appearance inspection, the laser engraving effect can be further optimized, the overall quality of the product is improved, the requirements of users on the appearance and quality of the product are met, and meanwhile, defects are found and treated in time, so that the method is also a key link for guaranteeing the quality of the product.
It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present invention. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present invention.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and such partitioning of the above-described elements may be implemented in other manners, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or communication connection shown or discussed as being between each other may be an indirect coupling or communication connection between devices or elements via some interfaces, which may be in the form of telecommunications or otherwise.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present invention or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, which also falls within the scope of the present invention.
Claims (10)
1. Appearance design scheme after spray paint radium carving, its characterized in that includes:
The method comprises the following steps:
Step 1, pretreatment: removing greasy dirt, dust and other impurities on the surface of the product by using a proper cleaning agent or solvent, ensuring that the surface is completely dry, and no moisture or other liquid remains, checking whether the surface is smooth or not, and repairing or polishing if the surface is uneven or defective;
Step 2, spraying primer: according to the requirements, multi-layer primer spraying can be selected, the type and the color of the primer are selected to be suitable, and the spraying is performed according to the material and the requirements of the product; ensuring that the primer uniformly covers the whole surface, avoiding the condition of missing coating or uneven thickness, checking whether the primer has a defect or uneven place after being dried, and repairing;
Step 3, spraying finishing paint: proper color and glossiness of the finishing paint are selected according to the requirements, before the finishing paint is sprayed, whether the primer is completely dried or not can be checked again, proper spraying equipment and technology are used for ensuring the uniformity and smoothness of the finishing paint, avoiding the defects of sagging, orange peel and the like, and after the finishing paint is dried, the quality and appearance of the coating are checked for ensuring the compliance with the requirements;
Step 4, laser carving treatment: after the finish paint is dried, carrying out laser etching treatment by using a laser etching machine, adjusting parameters of the laser etching machine according to design patterns or characters, and observing the laser etching effect in the laser etching process, and adjusting the parameters at any time to achieve the optimal effect; after laser etching is finished, whether the laser etching part is clear and complete or not is checked, and whether the laser etching part meets the design requirement or not is judged.
Step 5, post-treatment: according to the requirement, proper tools or equipment can be used for slightly polishing or polishing, so that the laser engraving part is more prominent and smoother, the appearance quality of the whole product is checked, and no defect or defective product is ensured.
2. The design scheme of claim 1, wherein in the step 1, for uneven or rough defective parts of the product, sand paper or polisher with a mesh number of 60 to 80 is selected for rough polishing, and sand paper or polisher with a mesh number of 240 to 320 is selected for subsequent polishing of the product for polishing and finishing.
3. The design scheme of claim 1, wherein in step 2, after each primer layer is sprayed and dried, the primer layer needs to be carefully inspected to identify specific defect types such as missing coating, uneven thickness and sagging, then the surface of the repair area is treated to remove surface impurities, and if the defect is serious, a slight polishing treatment can be performed to ensure the flatness and cleanliness of the surface of the repair area.
4. The design scheme of the paint spraying laser carving device according to claim 3, wherein in the step 2, after the surface treatment of the repairing area, paint of the same type and color as the primer is used for repairing the defective area, when the paint is repaired, the paint is uniformly coated, new defects are avoided, and the paint is re-dried, after the primer is dried, the repairing area is checked again, so that the coating is smooth and uniform, no obvious defects are generated, and if the defects or the unevenness still exist, the repairing step can be repeated for adjustment.
5. The design scheme of laser engraving after painting according to claim 4, wherein in the step 2, the drying time of the primer depends on the type and thickness of the paint, and factors such as ambient temperature and humidity, and the primer can be quickly cured by ultraviolet irradiation for a long time, and in the process of waiting for drying, touching or scraping of a repair area should be avoided.
6. The design of laser engraving after painting according to claim 1, wherein in the step 3, before the top coating is sprayed, it is checked again whether the primer is completely dried, and the drying degree can be judged by touching or tapping the surface of the coating.
7. The design scheme of laser engraving after painting according to claim 6, wherein in the step 3, a proper spraying technique such as air spraying, airless spraying or electrostatic spraying is used, a proper spraying method is selected according to the type of paint and the required effect, and the spraying distance, the spraying speed and the angle of the spray gun are controlled to obtain uniform coating thickness and smooth surface effect, and the treatment of the overlapping area of spraying is noted to avoid occurrence of joints or chromatic aberration.
8. The design scheme of the paint spraying and laser carving method according to claim 7, wherein in the step 3, after finishing the paint spraying, the coating is naturally dried under the proper temperature and humidity conditions, the drying time is determined according to the description of the coating, and after drying, the quality and the appearance of the coating are carefully checked, so that the defects of sagging, orange peel, pinholes and the like are avoided, the color is uniform and consistent, and the glossiness meets the requirements.
9. The paint spraying laser engraving design scheme as claimed in claim 1, wherein the parameter adjustment of the laser engraving machine comprises power, speed, focal length and the like so as to obtain a required laser engraving effect.
10. The design scheme of the spray painting laser engraving after appearance design of claim 1, wherein in the post treatment, proper tools or equipment can be used for slightly polishing or polishing according to requirements, so that laser engraving parts are more prominent and smoother, and appearance quality of the whole product is checked to ensure no defects or defective products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410234019.6A CN118106604A (en) | 2024-03-01 | 2024-03-01 | Appearance design scheme after spray painting and laser carving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410234019.6A CN118106604A (en) | 2024-03-01 | 2024-03-01 | Appearance design scheme after spray painting and laser carving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118106604A true CN118106604A (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410234019.6A Pending CN118106604A (en) | 2024-03-01 | 2024-03-01 | Appearance design scheme after spray painting and laser carving |
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| Country | Link |
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| CN (1) | CN118106604A (en) |
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