阅读说明：本技术 一种金属制品加工用花纹加工工艺 (Pattern processing technology for metal product processing ) 是由 王创开 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种金属制品加工用花纹加工工艺,具体涉及花纹加工技术领域,通过设置树脂层和透明保护膜,树脂层上依次粘接有PVC薄膜和热可塑性聚氨酯薄膜,热可塑性聚氨酯薄膜且具有一定的延展、强韧和耐老化的特性,又具有一定防水透湿的效果,使得花纹纹路上的图案不易被磨损或刮花,通过将背景图案的添饰,在PVC薄膜上喷绘图案并且将其紧贴的金属制品及花纹纹路上,使PVC薄膜与花纹纹路各个凹凸位置完全贴合,通过树脂层的添加使喷绘背景图案的PVC薄膜具有一定的厚度,使PVC薄膜上喷绘的花纹悬浮与漆面,从而呈现立体图案效果,相较于传统花纹加工工艺,该方案有效提高金属制品的花纹美观度。(The invention discloses a pattern processing technology for processing metal products, in particular to the technical field of pattern processing, by arranging the resin layer and the transparent protective film, the PVC film and the thermoplastic polyurethane film are sequentially bonded on the resin layer, the thermoplastic polyurethane film has certain characteristics of extensibility, toughness and aging resistance, and has certain waterproof and moisture permeable effects, so that the patterns on the pattern lines are not easy to be worn or scraped, and by decorating the background patterns, the PVC film is sprayed with patterns and is closely attached to the metal product and the pattern lines, so that the PVC film is completely attached to the concave-convex positions of the pattern lines, the PVC film for spraying and painting the background pattern has a certain thickness by adding the resin layer, so that the decorative patterns sprayed and painted on the PVC film are suspended and painted, therefore, the three-dimensional pattern effect is presented, and compared with the traditional pattern processing technology, the scheme effectively improves the pattern attractiveness of the metal product.)

1. A pattern processing technology for processing a metal product is characterized by comprising the following steps:

s1, cleaning: firstly, cleaning a base surface of a metal plate, soaking the metal substrate in a neutral oil and rust removing agent for 30min to remove oil stains and impurities on the surface of the metal plate, and scraping the residue on the surface;

s2, grinding: limiting the metal substrate through a clamping mechanism, and simultaneously polishing the surface of the metal substrate by using a polishing mechanism, wherein the polishing mechanism is 2700r/min, so that the surface of the metal substrate is smooth and has no thorns;

s3, pattern carving: carrying out digital processing on the pattern through a computer, then programming data processed by the pattern, converting the data into a numerical control code, converting the pattern into an operation instruction for numerical control grinding processing equipment through the programming processing, clamping the cleaned and polished metal substrate on a lathe, and engraving the surface of the metal substrate in a numerical control grinding mode to form a preset pattern on the surface of the metal substrate;

s4, fine grinding: carrying out fine grinding processing after carving patterns on the metal substrate in S3, and grinding and forming by using a grinding machine according to the lines of the bottom layer material after carving the metal substrate, so that the carved lines have no edge pricks, and dust generated by grinding is absorbed by absorbing dust collection equipment;

s5, spray painting: spraying paint on the carved pattern lines through S4, and uniformly spraying the paint on the pattern lines on the metal substrate;

s6, drying and processing: uniformly spraying paint on a metal substrate and lines, drying the paint surface by using drying equipment, pushing the metal substrate into a drying box, controlling the temperature in the drying box to be 55-65 ℃, and drying for 30-45 min;

s7, paint wire drawing treatment: after the metal substrate is subjected to paint spraying and drying treatment, after paint is sprayed and solidified, a part of raised paint wires are attached to the surface of the pattern lines, the raised paint wires are removed along the thickness of the paint surface of 1-2mm, and then polishing treatment is carried out through polishing equipment, so that the traces of the paint surface of the part are consistent with those of the paint surfaces of other parts;

s8, pattern decoration: firstly, selecting a PVC film with the surface area larger than that of a metal substrate, carrying out high-temperature extension on the PVC film, controlling the temperature at 150-;

s9, inner layer grain processing: spraying a layer of transparent glue on the metal substrate and the pattern lines, then attaching a PVC film which is not sprayed with patterns on the pattern lines on the metal substrate, performing edge pressing treatment to ensure that the PVC film is completely attached to each concave-convex position of the pattern lines, and then performing drying treatment on the metal substrate by using drying equipment, wherein the temperature control of drying is controlled at 40-45 ℃ for later use;

s10, resin addition: transparent resin is selected and poured into the pattern lines on the metal substrate, so that a resin layer is formed, the thickness of the resin layer is controlled to be 1.5-2.2mm, and the resin layer surface is subjected to fine polishing after the resin is solidified, so that the light transmittance of the resin layer is improved;

s11, outer grain processing: adhering the sprayed surface of the inner-layer grain film obtained in the S9 on the resin layer, heating the PCV film to ensure that the PVC film is adhered to the resin layer, and controlling the heating temperature to be 30-45 ℃;

s12, adding a protective layer: and a transparent protective film is hermetically bonded on the PCV film with the patterns and used for protecting the added patterns from being corroded, so that the step of processing the patterns of the metal product can be completed.

2. The pattern processing process for processing a metal product according to claim 1, wherein: the neutral oil and rust removing agent in the S1 is prepared into 10-20% aqueous solution by weight ratio and is used at normal temperature or after being heated to 30-60 ℃.

3. The pattern processing process for processing a metal product according to claim 1, wherein: in the S4, the grinding machine is 3600r/min, and the thickness of the paint sprayed in the S5 is kept between 1 and 2.5 mm.

4. The pattern processing process for processing a metal product according to claim 1, wherein: in the step S8, the PVC film with the spray-painted patterns is cooled for 10min, the transparent protective film in the step S12 is a thermoplastic polyurethane film, and the resin layer in the step S10 is formed by mixing 399A resin adhesive and epoxy resin.

Technical Field

The invention relates to the technical field of pattern processing, in particular to a pattern processing technology for processing a metal product.

Background

As a metal decorative material, the quality of surface treatment of a metal product is directly related to the quality and the aesthetic degree of interior decoration, along with the continuous improvement of living standard of people, people pay more and more attention to the quality and the aesthetic degree of interior decoration, and the surface treatment of the metal product at present basically adopts the conventional processing technology, such as pattern printing of the surface, paint spraying treatment of the surface and the like, and especially along with the increasing popularization of integrated ceiling products.

In order to improve the ornamental value of the metal product, patterns are usually silk-screened or spray-printed on the surface of the metal product, the patterns which are directly spray-printed or silk-screened are easily worn or scraped, the appearance of patterns on the surface of the metal product is affected, and the patterns which are directly spray-printed on the metal product are difficult to achieve the three-dimensional effect, so that a pattern processing technology for processing the metal product is needed to solve the problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a pattern processing technology for processing a metal product, and the technical problem to be solved by the invention is as follows: the patterns directly sprayed and printed or silk-screened are easy to be worn or scratched, the beauty of the patterns on the surface of the metal product is affected, and the patterns directly sprayed and printed on the metal product are difficult to achieve the three-dimensional effect.

In order to achieve the purpose, the invention provides the following technical scheme: a pattern processing technology for processing a metal product comprises the following steps:

s1, cleaning: firstly, cleaning the base surface of a metal plate, soaking the metal substrate in a neutral oil and rust removing agent for 30min to remove oil stains and impurities on the surface of the metal plate, and scraping the residues on the surface.

S2, grinding: the metal substrate is limited through the clamping mechanism, the polishing mechanism is used for polishing the surface of the metal substrate, and the polishing mechanism is 2700r/min, so that the surface of the metal substrate is smooth and has no thorns.

S3, pattern carving: the method comprises the steps of carrying out digital processing on a pattern through a computer, programming data after the pattern processing, converting the data into a numerical control code, converting the pattern into an operation instruction for numerical control grinding processing equipment through the programming processing, clamping a metal substrate after cleaning and polishing on a lathe, and carving the surface of the metal substrate in a numerical control grinding mode to form a preset pattern on the surface of the metal substrate.

S4, fine grinding: and (4) performing fine grinding processing after carving patterns on the metal substrate in the step S3, and polishing and forming by using a polisher according to the lines of the bottom material after carving the metal substrate to ensure that the carved lines have no edge pricks and absorb dust generated by polishing by dust collection equipment.

S5, spray painting: and (5) performing paint spraying treatment on the carved pattern lines through S4, and uniformly spraying paint on the pattern lines on the metal substrate.

S6, drying and processing: after the paint is evenly sprayed on the metal substrate and the lines, drying the paint surface by using drying equipment, pushing the metal substrate into a drying box, controlling the temperature in the drying box at 55-65 ℃ and drying for 30-45 min.

S7, paint wire drawing treatment: after the metal substrate is subjected to paint spraying and drying treatment, after paint is sprayed and solidified, a part of convex paint wires are attached to the surface of the pattern lines, the convex paint wires are removed along the thickness of the paint surface of 1-2mm, and then polishing treatment is carried out through polishing equipment, so that the trace of the paint surface of the part of the metal substrate is consistent with that of the paint surfaces of other parts.

S8, pattern decoration: firstly, selecting a PVC film with the surface area larger than that of the metal substrate, carrying out high-temperature extension on the PVC film, controlling the temperature at 150-.

S9, inner layer grain processing: spraying a layer of transparent glue on the metal substrate and the pattern lines, then attaching a PVC film without patterns on the pattern lines on the metal substrate, performing edge pressing treatment to ensure that the PVC film is completely attached to each concave-convex position of the pattern lines, and then performing drying treatment on the metal substrate by using drying equipment, wherein the temperature control of drying is controlled at 40-45 ℃ for later use.

S10, resin addition: and (3) pouring transparent resin into the pattern lines on the metal substrate to form a resin layer, controlling the thickness of the resin layer to be 1.5-2.2mm, and performing fine polishing processing on the resin layer after the resin is solidified to improve the light transmittance of the resin.

S11, outer grain processing: and (3) adhering the sprayed surface of the inner-layer grain film obtained in the step (S9) to the resin layer, heating the PCV film to ensure that the PVC film is adhered to the resin layer, and controlling the heating temperature to be 30-45 ℃.

S12, adding a protective layer: and a transparent protective film is hermetically bonded on the PCV film with the patterns and used for protecting the added patterns from being corroded, so that the step of processing the patterns of the metal product can be completed.

As a further scheme of the invention: the neutral oil and rust removing agent in the S1 is prepared into 10-20% aqueous solution by weight ratio and is used at normal temperature or after being heated to 30-60 ℃.

As a further scheme of the invention: in the S4, the grinding machine is 3600r/min, and the thickness of the paint sprayed in the S5 is kept between 1 and 2.5 mm.

As a further scheme of the invention: in the step S8, the PVC film with the spray-painted patterns is cooled for 10min, the transparent protective film in the step S12 is a thermoplastic polyurethane film, and the resin layer in the step S10 is formed by mixing 399A resin adhesive and epoxy resin.

The invention has the beneficial effects that:

1. according to the invention, the background pattern is decorated, the pattern is sprayed on the PVC film, and the PVC film is tightly attached to the metal product and the pattern lines, so that the PVC film is completely attached to the concave-convex positions of the pattern lines, the PVC film sprayed with the background pattern has a certain thickness through the addition of the resin layer, and the pattern sprayed on the PVC film is suspended and painted, thereby presenting a three-dimensional pattern effect, and compared with the traditional pattern processing technology, the scheme effectively improves the pattern attractiveness of the metal product;

2. the invention carries out polishing, carving and fine grinding treatment on the pattern lines on the metal product, so that the surfaces of the metal substrate and the pattern lines are smooth and have no thorns, and the smoothness degree of a spray painting surface is improved, thereby further improving the display aesthetic property.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

a pattern processing technology for processing a metal product comprises the following steps:

s1, cleaning: firstly, cleaning the base surface of a metal plate, soaking the metal substrate in a neutral oil and rust removing agent for 30min to remove oil stains and impurities on the surface of the metal plate, and scraping the residues on the surface.

S2, grinding: the metal substrate is limited through the clamping mechanism, the polishing mechanism is used for polishing the surface of the metal substrate, and the polishing mechanism is 2700r/min, so that the surface of the metal substrate is smooth and has no thorns.

S3, pattern carving: the method comprises the steps of carrying out digital processing on a pattern through a computer, programming data after the pattern processing, converting the data into a numerical control code, converting the pattern into an operation instruction for numerical control grinding processing equipment through the programming processing, clamping a metal substrate after cleaning and polishing on a lathe, and carving the surface of the metal substrate in a numerical control grinding mode to form a preset pattern on the surface of the metal substrate.

S4, fine grinding: and (4) performing fine grinding processing after carving patterns on the metal substrate in the step S3, and polishing and forming by using a polisher according to the lines of the bottom material after carving the metal substrate to ensure that the carved lines have no edge pricks and absorb dust generated by polishing by dust collection equipment.

S5, spray painting: and (5) performing paint spraying treatment on the carved pattern lines through S4, and uniformly spraying paint on the pattern lines on the metal substrate.

S6, drying and processing: after the paint is evenly sprayed on the metal substrate and the lines, drying the paint surface by using drying equipment, pushing the metal substrate into a drying box, controlling the temperature in the drying box at 55-65 ℃ and drying for 30-45 min.

S7, paint wire drawing treatment: after the metal substrate is subjected to paint spraying and drying treatment, after paint is sprayed and solidified, a part of convex paint wires are attached to the surface of the pattern lines, the convex paint wires are removed along the thickness of the paint surface of 1-2mm, and then polishing treatment is carried out through polishing equipment, so that the trace of the paint surface of the part of the metal substrate is consistent with that of the paint surfaces of other parts.

S8, pattern decoration: firstly, selecting a PVC film with the surface area larger than that of the metal substrate, carrying out high-temperature extension on the PVC film, controlling the temperature at 150-.

S9, inner layer grain processing: spraying a layer of transparent glue on the metal substrate and the pattern lines, then attaching a PVC film without patterns on the pattern lines on the metal substrate, performing edge pressing treatment to ensure that the PVC film is completely attached to each concave-convex position of the pattern lines, and then performing drying treatment on the metal substrate by using drying equipment, wherein the temperature control of drying is controlled at 40-45 ℃ for later use.

S10, resin addition: and (3) pouring transparent resin into the pattern lines on the metal substrate to form a resin layer, controlling the thickness of the resin layer to be 1.5-2.2mm, and performing fine polishing processing on the resin layer after the resin is solidified to improve the light transmittance of the resin.

S11, outer grain processing: and (3) adhering the sprayed surface of the inner-layer grain film obtained in the step (S9) to the resin layer, heating the PCV film to ensure that the PVC film is adhered to the resin layer, and controlling the heating temperature to be 30-45 ℃.

S12, adding a protective layer: and a transparent protective film is hermetically bonded on the PCV film with the patterns and used for protecting the added patterns from being corroded, so that the step of processing the patterns of the metal product can be completed.

The neutral oil and rust removing agent in the S1 is prepared into 10-20 wt% of water solution and is used at normal temperature or after being heated to 30-60 ℃, in S4, a grinding machine is 3600r/min, the thickness of paint sprayed in S5 is kept at 1-2.5mm, in S8, the cooling time of a PVC film with spray patterns is 10min, in S12, a transparent protective film is a thermoplastic polyurethane film, and in S10, a resin layer is formed by mixing 399A resin adhesive and epoxy resin.

Example 2:

a pattern processing technology for processing a metal product comprises the following steps:

s1, cleaning: firstly, cleaning the base surface of a metal plate, soaking the metal substrate in a neutral oil and rust removing agent for 30min to remove oil stains and impurities on the surface of the metal plate, and scraping the residues on the surface.

S2, grinding: the metal substrate is limited through the clamping mechanism, the polishing mechanism is used for polishing the surface of the metal substrate, and the polishing mechanism is 2700r/min, so that the surface of the metal substrate is smooth and has no thorns.

S3, pattern carving: the method comprises the steps of carrying out digital processing on a pattern through a computer, programming data after the pattern processing, converting the data into a numerical control code, converting the pattern into an operation instruction for numerical control grinding processing equipment through the programming processing, clamping a metal substrate after cleaning and polishing on a lathe, and carving the surface of the metal substrate in a numerical control grinding mode to form a preset pattern on the surface of the metal substrate.

S4, fine grinding: and (4) performing fine grinding processing after carving patterns on the metal substrate in the step S3, and polishing and forming by using a polisher according to the lines of the bottom material after carving the metal substrate to ensure that the carved lines have no edge pricks and absorb dust generated by polishing by dust collection equipment.

S5, spray painting: and (5) performing paint spraying treatment on the carved pattern lines through S4, and uniformly spraying paint on the pattern lines on the metal substrate.

S6, drying and processing: after the paint is evenly sprayed on the metal substrate and the lines, drying the paint surface by using drying equipment, pushing the metal substrate into a drying box, controlling the temperature in the drying box at 55-65 ℃ and drying for 30-45 min.

S7, paint wire drawing treatment: after the metal substrate is subjected to paint spraying and drying treatment, after paint is sprayed and solidified, a part of convex paint wires are attached to the surface of the pattern lines, the convex paint wires are removed along the thickness of the paint surface of 1-2mm, and then polishing treatment is carried out through polishing equipment, so that the trace of the paint surface of the part of the metal substrate is consistent with that of the paint surfaces of other parts.

S8, pattern decoration: firstly, selecting a PVC film with the surface area larger than that of the metal substrate, carrying out high-temperature extension on the PVC film, controlling the temperature at 150-.

S9, inner layer grain processing: spraying a layer of transparent glue on the metal substrate and the pattern lines, then attaching a PVC film without patterns on the pattern lines on the metal substrate, performing edge pressing treatment to ensure that the PVC film is completely attached to each concave-convex position of the pattern lines, then performing drying treatment on the metal substrate by using drying equipment, and controlling the drying temperature to be 40-45 ℃ to finish the pattern processing step.

Example 3:

a pattern processing technology for processing a metal product comprises the following steps:

s1, cleaning: firstly, cleaning the base surface of a metal plate, soaking the metal substrate in a neutral oil and rust removing agent for 30min to remove oil stains and impurities on the surface of the metal plate, and scraping the residues on the surface.

S2, grinding: the metal substrate is limited through the clamping mechanism, the polishing mechanism is used for polishing the surface of the metal substrate, and the polishing mechanism is 2700r/min, so that the surface of the metal substrate is smooth and has no thorns.

S3, pattern carving: the method comprises the steps of carrying out digital processing on a pattern through a computer, programming data after the pattern processing, converting the data into a numerical control code, converting the pattern into an operation instruction for numerical control grinding processing equipment through the programming processing, clamping a metal substrate after cleaning and polishing on a lathe, and carving the surface of the metal substrate in a numerical control grinding mode to form a preset pattern on the surface of the metal substrate.

S4, spray painting: and (5) performing paint spraying treatment on the carved pattern lines through S4, and uniformly spraying paint on the pattern lines on the metal substrate.

S5, drying and processing: after the paint is evenly sprayed on the metal substrate and the lines, drying the paint surface by using drying equipment, pushing the metal substrate into a drying box, controlling the temperature in the drying box at 55-65 ℃ and drying for 30-45 min.

S6, paint wire drawing treatment: after the metal substrate is subjected to paint spraying and drying treatment, after paint is sprayed and solidified, a part of raised paint wires are attached to the surface of the pattern lines, and the raised paint wires are removed along the thickness of the paint surface of 1-2mm, so that the traces of the paint surface of the part are consistent with those of the paint surfaces of other parts.

S7, pattern decoration: firstly, selecting a PVC film with the surface area larger than that of the metal substrate, carrying out high-temperature extension on the PVC film, controlling the temperature at 150-.

S8, inner layer grain processing: spraying a layer of transparent glue on the metal substrate and the pattern lines, then attaching a PVC film without patterns on the pattern lines on the metal substrate, performing edge pressing treatment to ensure that the PVC film is completely attached to each concave-convex position of the pattern lines, then performing drying treatment on the metal substrate by using drying equipment, and controlling the drying temperature to be 40-45 ℃ to finish the pattern processing step.

The following table is obtained according to examples 1 to 3:

from the comparison in the table above, it can be seen that:

through adding decorations to the background pattern, the PVC film is completely attached to each concave-convex position of the pattern lines by spraying and painting the pattern on the PVC film and closely attaching the PVC film to the metal product and the pattern lines, the PVC film sprayed and painted with the background pattern has certain thickness by adding the resin layer, and the sprayed and painted pattern on the PVC film is suspended and painted, so that the three-dimensional pattern effect is presented, and compared with the traditional pattern processing technology, the scheme effectively improves the pattern attractiveness of the metal product.

Through polishing the decorative pattern line on the metal product, sculpture and fine grinding are handled, make smooth no thorn in metal substrate and decorative pattern line surface, improve the smooth degree of spraying paint surface, thereby further improve the aesthetic property of show, it has PVC film and thermoplastic polyurethane film to bond in proper order on the resin layer simultaneously, thermoplastic polyurethane film just has certain extension, tough and ageing-resistant characteristic, certain waterproof moisture permeable's effect has again, make the pattern on the decorative pattern line be difficult for wearing and tearing or scraping the flower, effectively protect the decorative pattern line.

The points to be finally explained are: although the present invention has been described in detail with reference to the general description and the specific embodiments, on the basis of the present invention, the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.