阅读说明：本技术 一种精密金属制品真空镀膜工艺 (Vacuum coating process for precise metal product ) 是由 赵彪 于 2020-06-23 设计创作，主要内容包括：本发明公开了一种精密金属制品真空镀膜工艺,包括抛光机、浸涂槽、两台烘干机、真空镀膜机、喷涂机和着色机,精密金属制品加工成型后送入抛光机内进行抛光,抛光后的精密金属制品通过夹具夹持固定在连接杆上,精密金属制品沉入浸涂槽内,从浸涂槽取出的精密金属制品送入第一台烘干机内进行烘干,第一次烘干后的精密金属制品连同连接杆送入到真空镀膜机进行镀膜,镀膜结束后将连接杆连同精密金属制品取出送入喷涂机内进行面涂,面涂后将精密金属制品送入第二台烘干机内进行烘干,根据需要进行进入着色机进行着色作业。本发明具有快速批次放入和取出精密金属制品,提高效率的优点。(The invention discloses a vacuum coating process for a precise metal product, which comprises a polishing machine, a dip coating tank, two dryers, a vacuum coating machine, a spraying machine and a coloring machine, wherein the precise metal product is processed and molded and then is sent into the polishing machine for polishing, the polished precise metal product is clamped and fixed on a connecting rod through a clamp, the precise metal product is sunk into the dip coating tank, the precise metal product taken out of the dip coating tank is sent into a first dryer for drying, the precise metal product dried for the first time and the connecting rod are sent into the vacuum coating machine for coating, the connecting rod and the precise metal product are taken out after the coating is finished and are sent into the spraying machine for surface coating, the precise metal product is sent into a second dryer for drying after the surface coating, and the precise metal product is sent into the coloring machine for coloring operation according to requirements. The invention has the advantages of rapid batch loading and unloading of precise metal products and efficiency improvement.)

1. The vacuum coating process for precise metal products comprises a polishing machine, a dip coating tank, two drying machines, a vacuum coating machine, a spraying machine and a coloring machine, and is characterized in that: the precise metal product is machined and molded and then sent into a polishing machine for polishing, the polished precise metal product is clamped and fixed on a connecting rod (4) through a clamp (5), the precise metal product is sunk into a dip-coating tank, the precise metal product taken out from the dip-coating tank is sent into a first dryer for drying, the precise metal product dried for the first time and the connecting rod (4) are sent into a vacuum coating machine for coating, the connecting rod (4) and the precise metal product are taken out after the coating is finished and are sent into a coating machine for surface coating, the precise metal product is sent into a second dryer for drying after the surface coating, and the precise metal product enters a coloring machine for coloring according to requirements.

2. The vacuum coating process for precision metal products according to claim 1, wherein: and the dipping coating tank is filled with SZ-97 series oil, and the precise metal product is subjected to base coating by adopting a dipping coating method.

3. The vacuum coating process for precision metal products according to claim 1, wherein: the temperature of the first dryer is set to be between 60 and 70 ℃, and the drying time of the precise metal product in the first dryer is two hours.

4. The vacuum coating process for precision metal products according to claim 1, wherein: vacuum coating machine is including jar body (1), the centre at jar body (1) inside upper and lower both ends all is fixed with connecting block (2), two relative one sides of connecting block (2) are rotated through pivot (3) respectively and are installed cylinder (8), the both sides at both ends are fixed with horizontal pole (7) respectively about cylinder (8), two relative one sides of horizontal pole (7) at both ends are fixed with pillar (6) respectively about cylinder (8), be fixed with rotatory chuck (9) on pillar (6), inject respectively in rotatory chuck (9) at the both ends of connecting rod (4), it fixes connecting rod (4) to rotate rotatory chuck (9) and screw.

5. The vacuum coating process for precision metal products according to claim 1, wherein: the temperature of the second dryer is set to be between 50 ℃ and 60 ℃, and the drying time of the precision metal product in the second dryer is one to two hours.

6. A vacuum coating process for a precise metal product comprises the following steps:

s1, conveying the precision metal product into a polishing machine through a conveying mechanism, and carrying out pretreatment such as oil removal and dust removal on the precision metal product in the polishing machine so as to ensure the cleanness and dryness of a plated part and avoid the defects of hard spots, poor adhesion and the like of a bottom coating;

s2, fixing the polished precise metal products through a clamp (5), wherein the precise metal products are distributed on connecting rods (4), and twelve precise metal products can be simultaneously fixed on one connecting rod (4) and simultaneously operate on twelve precise metal products;

s3, sinking the precision metal product together with the connecting rod (4) into a dip coating tank filled with SZ-97 series oil, carrying out primary coating operation on the precision metal product in the dip coating tank, and selecting the corresponding SZ-97 series oil according to the metal type of the precision metal product;

s4, feeding the precision metal product after being subjected to primary coating into a first dryer, adjusting the temperature of the first dryer to 60-70 ℃, and drying the precision metal product in the first dryer for two hours to completely dry a paint film on the precision metal product and accelerate the efficiency;

s5, feeding the precision metal product after primary drying into a vacuum coating machine, respectively inserting two ends of a connecting rod (4) into a rotary chuck (9), rotating the rotary chuck (9) to fix the connecting rod (4) by screwing, so that the connecting rod (4) and the precision metal product are coated in a tank body (1) of the vacuum coating machine, heating a tungsten filament after ensuring that the vacuum degree of the vacuum coating machine meets the requirement during coating, strictly controlling the heating time, and simultaneously, controlling the quantity of metal for coating; after the film coating is finished, reversely rotating and unscrewing the rotary chuck (9), and taking down the connecting rod (4) and the precise metal product;

s6, conveying the precision metal product subjected to vacuum coating into a coating machine for top coating operation, improving the water resistance, corrosion resistance and abrasion resistance of the precision metal product, and providing possibility for water dyeing coloring;

s7, conveying the precision metal product with the surface coated into a second dryer for secondary drying, adjusting the temperature of the second dryer to 50-60 ℃, and drying the precision metal product in the second dryer for one to two hours to ensure that the surface coating is completely dried;

s8, taking down the precision metal product from the clamp (5) on the connecting rod (4), and finishing the film coating process if the precision metal product does not need to be colored; if coloring is needed, the step S9 is carried out;

s9, feeding the precise metal product to be colored into a coloring machine, wherein the coloring is divided into water dyeing and oil dyeing, the water dyeing enters the step S9.1, and the oil dyeing enters the step S9.2;

s9.1, if the plated part needs to be dyed by water, placing the precision metal product with the dried finish paint into a dye vat, dyeing the required color, and then washing and drying the metal product; during dyeing, the temperature of water is controlled to be about 60-80 ℃, and the dyeing time is controlled;

s9.2, oil dyeing and coloring are carried out on the plated part, after film plating, according to the requirements of customers, SZ-matte color oil and SZ-transparent color oil are used for dip-coating or spray-coating, and oil dyeing and coloring are finished after drying.

Technical Field

The invention relates to the technical field of vacuum coating of precise metal products, in particular to a vacuum coating process of a precise metal product.

Background

Vacuum deposition is a method of forming a thin film by heating a metal or non-metal material under high vacuum to evaporate and condense the material on the surface of a workpiece (metal, semiconductor or insulator). Vacuum coating is an important aspect in the field of vacuum application, and provides a new process for preparing a film for scientific research and practical production by using a physical or chemical method based on a vacuum technology and absorbing a series of new technologies such as electron beams, molecular beams, ion beams, plasma beams, radio frequency, magnetic control and the like.

Vacuum coating techniques generally fall into two broad categories, namely Physical Vapor Deposition (PVD) techniques and Chemical Vapor Deposition (CVD) techniques. The physical vapor deposition technique is a method of directly depositing a plating material on the surface of a substrate by gasifying the plating material into atoms or molecules or ionizing the atoms or molecules into ions by various physical methods under a vacuum condition. The hard reaction film is prepared by physical vapor deposition method, which utilizes some physical process, such as thermal evaporation of material or sputtering of material surface atoms when being bombarded by ions, to realize the controllable transfer process of material atoms from source material to film. The chemical vapor deposition technique is a method of supplying a simple substance gas or a compound containing an element constituting a thin film to a substrate, and forming a metal or compound thin film on the substrate by a vapor phase action or a chemical reaction on the surface of the substrate.

The surface of the precision metal product is coated with a layer of protective film by utilizing a vacuum coating film to protect the precision metal product. The precise metal products are put into and taken out one by one in the vacuum coating equipment, so the efficiency is low.

Disclosure of Invention

The invention aims to provide a vacuum coating process for precise metal products, which has the advantages of quickly putting in and taking out the precise metal products in batches, improving the efficiency and solving the problems that the precise metal products are put in and taken out one by one in vacuum coating equipment and the efficiency is lower.

In order to achieve the purpose, the invention provides the following technical scheme: a vacuum coating process for precise metal products comprises a polishing machine, a dip coating tank, two dryers, a vacuum coating machine, a spraying machine and a coloring machine, wherein the precise metal products are fed into the polishing machine for polishing after being processed and formed, the polished precise metal products are fixed on a connecting rod through clamping of a clamp, the precise metal products are sunk into the dip coating tank, the precise metal products taken out from the dip coating tank are fed into a first dryer for drying, the precise metal products dried for the first time and the connecting rod are fed into the vacuum coating machine for coating, the connecting rod and the precise metal products are taken out after the coating is finished and are fed into the spraying machine for surface coating, the precise metal products are fed into a second dryer for drying after the surface coating, and the precise metal products are fed into the coloring machine for coloring operation as required.

As a further scheme of the invention, the dipping tank is filled with SZ-97 series oil, and the precise metal product is subjected to base coating by adopting a dipping method.

As a further scheme of the invention, the temperature of the first dryer is set to be between 60 and 70 ℃, and the drying time of the precision metal product in the first dryer is two hours.

As a further scheme of the invention, the vacuum coating machine comprises a tank body, wherein connecting blocks are fixed between the upper end and the lower end of the tank body, a cylinder is rotatably installed on one opposite side of the two connecting blocks through a rotating shaft, cross rods are fixed on two sides of the upper end and the lower end of the cylinder respectively, a supporting column is fixed on one opposite side of the two cross rods at the upper end and the lower end of the cylinder respectively, a rotating chuck is fixed on the supporting column, two ends of the connecting rod are inserted into the rotating chucks respectively, and the rotating chucks are screwed to fix the connecting rod.

As a further scheme of the invention, the temperature of the second dryer is set between 50 ℃ and 60 ℃, and the drying time of the precision metal product in the second dryer is one to two hours.

A vacuum coating process for a precise metal product comprises the following steps:

s1, conveying the precision metal product into a polishing machine through a conveying mechanism, and carrying out pretreatment such as oil removal and dust removal on the precision metal product in the polishing machine so as to ensure the cleanness and dryness of a plated part and avoid the defects of hard spots, poor adhesion and the like of a bottom coating;

s2, fixing the polished precise metal products through a clamp, distributing the precise metal products on connecting rods, and fixing twelve precise metal products on one connecting rod and operating twelve precise metal products at the same time;

s3, sinking the precision metal product together with the connecting rod into a dip coating tank filled with SZ-97 series oil, carrying out primary coating operation on the precision metal product in the dip coating tank, and selecting the corresponding SZ-97 series oil according to the metal type of the precision metal product;

s4, feeding the precision metal product after being subjected to primary coating into a first dryer, adjusting the temperature of the first dryer to 60-70 ℃, and drying the precision metal product in the first dryer for two hours to completely dry a paint film on the precision metal product and accelerate the efficiency;

s5, feeding the precision metal product after primary drying into a vacuum coating machine, respectively inserting two ends of a connecting rod into a rotating chuck, rotating the rotating chuck to fix the connecting rod, so that the connecting rod and the precision metal product are coated in a tank body of the vacuum coating machine, heating a tungsten filament after ensuring that the vacuum degree of the vacuum coating machine meets the requirement during coating, strictly controlling the heating time, and simultaneously, controlling the amount of metal for coating; after the film coating is finished, reversely rotating and unscrewing the rotary chuck, and taking down the connecting rod and the precise metal product;

s6, conveying the precision metal product subjected to vacuum coating into a coating machine for top coating operation, improving the water resistance, corrosion resistance and abrasion resistance of the precision metal product, and providing possibility for water dyeing coloring;

s7, conveying the precision metal product with the surface coated into a second dryer for secondary drying, adjusting the temperature of the second dryer to 50-60 ℃, and drying the precision metal product in the second dryer for one to two hours to ensure that the surface coating is completely dried;

s8, taking down the precise metal product from the clamp on the connecting rod, and finishing the film coating process if the precise metal product does not need to be colored; if coloring is needed, the step S9 is carried out;

s9, feeding the precise metal product to be colored into a coloring machine, wherein the coloring is divided into water dyeing and oil dyeing, the water dyeing enters the step S9.1, and the oil dyeing enters the step S9.2;

s9.1, if the plated part needs to be dyed by water, placing the precision metal product with the dried finish paint into a dye vat, dyeing the required color, and then washing and drying the metal product; during dyeing, the temperature of water is controlled to be about 60-80 ℃, and the dyeing time is controlled;

s9.2, oil dyeing and coloring are carried out on the plated part, after film plating, according to the requirements of customers, SZ-matte color oil and SZ-transparent color oil are used for dip-coating or spray-coating, and oil dyeing and coloring are finished after drying.

Compared with the prior art, the invention has the following beneficial effects: precision metal product passes through anchor clamps fixedly, precision metal product distributes on the connecting rod, can fix twelve precision metal product simultaneously on the connecting rod, carry out the operation to twelve precision metal product simultaneously, a connecting rod gets into in proper order through taking twelve precision metal product and soaks the coating groove, first drying-machine, vacuum coating machine, flush coater and second drying-machine and carry out the operation, compare in individual operation to precision metal product, a connecting rod takes twelve precision metal product can put into fast in batches and take out precision metal product, efficiency is improved.

Drawings

FIG. 1 is a schematic flow diagram of the present invention;

fig. 2 is a schematic view of the internal connection structure of the can body according to the present invention.

In the figure: 1. a tank body; 2. connecting blocks; 3. a rotating shaft; 4. a connecting rod; 5. a clamp; 6. a pillar; 7. a cross bar; 8. a cylinder; 9. and rotating the chuck.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.