CN114318223A - Film coating shielding jig - Google Patents
Film coating shielding jig Download PDFInfo
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- CN114318223A CN114318223A CN202111535186.7A CN202111535186A CN114318223A CN 114318223 A CN114318223 A CN 114318223A CN 202111535186 A CN202111535186 A CN 202111535186A CN 114318223 A CN114318223 A CN 114318223A
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- 239000003086 colorant Substances 0.000 description 5
- 238000009713 electroplating Methods 0.000 description 5
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Abstract
The application relates to a film-coating shielding jig which is used for fixing a workpiece to be coated and comprises a baffle and a box cover which are matched, wherein an accommodating cavity is formed between the baffle and the box cover; the baffle is provided with at least one coating hole, the coating hole is communicated with the accommodating cavity and the external space, fastening components in one-to-one correspondence with the coating holes are arranged in the accommodating cavity, the fastening components are used for limiting the workpiece to be coated, and the coating hole is used for exposing the local area of the workpiece to be coated. Above-mentioned scheme makes the local area of treating the coating film work piece expose in the exterior space through setting up fastening components cooperation coating film hole, and other regions are located the intracavity that holds that baffle and lid formed, shelter from in order to avoid the coating film through other regions that will treat the coating film work piece to the realization is treated the local area of coating film work piece and is carried out the coating film, and then realizes treating the double-colored coating film of coating film work piece.
Description
Technical Field
The application relates to the technical field of coating jigs, in particular to a coating shielding jig.
Background
On the wrist-watch product, the outward appearance often can embody the value of itself, can realize the colour that people liked on its surface, the market range of widening the product that must can be very big promotes the value and the taste of product, wins customer's favor. The vacuum coating film is widely applied to realizing the color decoration coating film of the surface appearance of the product, and can be used for plating various film layers such as silver, golden, black, rose golden and the like. With the improvement of color experience of people, a bicolor effect of metal color and PVD (Physical Vapor Deposition) color is made on a product, such as matching of metal primary color and PVD black, matching of metal primary color and PVD gold, matching of PVD gold and PVD black, and the like, and the bicolor effect becomes an important choice for color matching of watch designers. Therefore, the realization of the electroplating double-color effect on the watch ring becomes an important technical means for coloring products.
In the prior art, the method for manufacturing double colors by ink protection and water plating realizes double colors of electroplating of the bezel, but the method for manufacturing double colors by ink protection and water plating has the problems of great chemical pollution, environmental protection and high cost. Waste liquid and waste gas generated by chemical ink or water plating solution are easy to be absorbed into human body in the processing process, and have great harm to the health of workers and poor safety. Moreover, when the double-color effect of the surface of the product is prepared by ink protection, the difference of ink protection exists, the tidy and consistent aesthetic property of the actual boundary is influenced, the defects that the edge presents dog-tooth-shaped, saw-tooth-shaped and the like are not uniform, even the appearance defects that the ink is damaged, the color of a coating film appears on the non-coating film surface and the like exist, and the appearance effect of the product is influenced. When the double-color method is manufactured by water plating, related tank bodies for preparing solution and the like need to be added, the influence of the change difference of solution conditions on the color needs to be considered, and the process is complex.
Disclosure of Invention
Therefore, there is a need for a film-coating shielding jig, which aims to solve the problems of poor appearance or complex process in the prior art of double-color film coating of a bezel.
The application provides a film-coating shielding jig which is used for fixing a workpiece to be coated and comprises a baffle and a box cover which are matched, wherein an accommodating cavity is formed between the baffle and the box cover; the baffle is provided with at least one coating hole, the coating hole is communicated with the accommodating cavity and the external space, fastening components in one-to-one correspondence with the coating holes are arranged in the accommodating cavity, the fastening components are used for limiting the workpiece to be coated, and the coating hole is used for exposing the local area of the workpiece to be coated.
Above-mentioned scheme makes the local area of treating the coating film work piece expose in the exterior space through setting up fastening components cooperation coating film hole, and other regions are located the intracavity that holds that baffle and lid formed, shelter from in order to avoid the coating film through other regions that will treat the coating film work piece to the realization is treated the local area of coating film work piece and is carried out the coating film, and then realizes treating the double-colored coating film of coating film work piece. The coating film shielding jig in the embodiment can be suitable for PVD coating, adopts a simple structure to physically shield a workpiece to be coated, and has the following advantages: the structure is simple, the manufacturing efficiency is high, and the method is suitable for large-scale mass production and popularization; the double-color shielding boundary of the workpiece to be coated can be adjusted according to the structure of the adjusting and fastening assembly, the boundary is consistent and attractive, and poor appearance caused by chemical oiling protection cannot be generated; physical shielding is adopted, chemical strong acid and strong alkali solution is not contacted, and a workpiece to be coated is not corroded; the PVD coating does not produce waste gas and liquid in the production process, and the process is simple, environment-friendly and pollution-free.
The technical solution of the present application is further described below:
in any embodiment, the fastening assembly comprises an elastic member and an abutting member, the abutting member is connected with the workpiece to be coated, the elastic member is arranged between the abutting member and the box cover and applies force to the abutting member towards the baffle plate, and the abutting member or the workpiece to be coated abuts against the baffle plate.
In any embodiment, the tightening member includes a force-receiving block and a positioning ring, a gap for accommodating the workpiece to be coated exists between the force-receiving block and the positioning ring, and when the force-receiving block and the positioning ring fix the workpiece to be coated, the workpiece to be coated is placed in the gap and a local area of the workpiece to be coated protrudes out of the gap to be exposed to an external space.
In any implementation mode, the surfaces of the stress block and the positioning ring, which are matched with the workpiece to be coated, are profiling surfaces matched with the workpiece to be coated.
In any implementation mode, the stress block abuts against the elastic piece, so that the stress block drives the workpiece to be coated to abut against the baffle.
In any embodiment, the positioning ring is embedded in the film coating hole.
In any implementation mode, the stress block is abutted to the elastic piece, so that the stress block drives the positioning ring to abut to the baffle, and the outer diameter of the positioning ring is larger than the aperture of the film coating hole.
In any embodiment, the baffle and the box cover are buckled.
In any embodiment, at least one fastening piece is fixedly connected to the side of the baffle plate facing the box cover, a fastening hole matched with the fastening piece is formed in the box cover, a limiting projection is arranged on the fastening piece, and the fastening piece can penetrate through the fastening hole and abut against the side of the box cover facing away from the baffle plate by using the limiting projection.
In any embodiment, at least one of the cover and the baffle is provided with a flange facing the other of the cover and the baffle, and when the baffle is matched with the cover, at least one flange abuts against the cover or the baffle.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an exploded structural view of a coating shielding jig according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of the construction of the lid of FIG. 1;
fig. 3 is a cross-sectional view of the coating masking jig of fig. 1 in an assembled state.
Description of reference numerals:
100. a film coating shielding jig; 110. a baffle plate; 111. coating holes; 112. buckling sheets; 1121. a limiting bump; 120. a box cover; 121. buckling holes; 130. an accommodating chamber; 140. a fastening assembly; 141. an elastic member; 142. a top tightening member; 1421. a stress block; 1422. a positioning ring;
200. and (5) coating the workpiece.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the embodiments disclosed below.
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 herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions.
In the description of the embodiments of the present application, the term "and/or" is only one kind of association relation describing an associated object, and means that three kinds of relations may exist, for example, a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The workpiece to be coated can be made of any material capable of being subjected to PVD coating, and in this embodiment, the workpiece to be coated is made of a metal material, specifically, a stainless steel material. The workpiece to be coated can be any structure, and in the embodiment, the workpiece to be coated is a bezel, which can be a circular bezel, a square bezel, or the like.
The coating film shielding jig can be applied to the field of PVD coating, can shield a workpiece to be coated, and enables the local area of the workpiece to be coated to be exposed in an external space so as to carry out PVD coating on the exposed local area.
Preferred embodiments of the present application will be described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a coating shielding jig 100 for fixing a workpiece 200 to be coated according to an embodiment of the present invention includes a baffle 110 and a box cover 120, which are engaged with each other, and a receiving cavity 130 is formed between the baffle 110 and the box cover 120; at least one coating hole 111 is formed in the baffle 110, the coating hole 111 is communicated with the accommodating cavity 130 and the external space, fastening components 140 which correspond to the coating holes 111 in a one-to-one mode are arranged in the accommodating cavity 130, the fastening components 140 limit the workpiece 200 to be coated, so that the local area of the workpiece 200 to be coated is exposed to the external space through the coating hole 111, and the coating hole 111 is used for exposing the local area of the workpiece 200 to be coated.
The coating holes 111 and the fastening assemblies 140 are in consistent and one-to-one correspondence, and each group of coating holes 111 and fastening assemblies 140 is used for fixing a workpiece 200 to be coated. In the embodiment shown in fig. 1, the number of the coating holes 111 and the fastening members 140 is 4, that is, each coating shielding jig 100 can fix 4 workpieces 200 to be coated at a time. In other embodiments, the number of coating holes 111 and fastening assemblies 140 may be any number.
In the embodiment shown in fig. 1 and 3, the workpiece 200 to be plated is a bezel, and the local area exposed to the external space is a bezel inner mapping position.
When the coating shielding jig 100 in the above embodiment is used, the fastening component 140 is first used to limit the workpiece 200 to be coated, the fastening component 140 and the coating holes 111 are in one-to-one correspondence, and then the baffle 110 and the box cover 120 are matched to make the fastening component 140 and the workpiece 200 to be coated located in the accommodating cavity 130. At this time, a local region of the workpiece 200 to be coated is exposed to the external space through the coating hole 111 for coating, and other regions of the workpiece 200 to be coated are not coated in the accommodating chamber 130.
According to the scheme, the fastening assembly 140 is arranged to be matched with the film coating hole 111, so that the local area of the workpiece 200 to be coated is exposed to the external space, other areas are located in the accommodating cavity 130 formed by the baffle 110 and the box cover 120, and other areas of the workpiece 200 to be coated are shielded to avoid film coating, so that the local area of the workpiece 200 to be coated is coated, and then the double-color film coating of the workpiece 200 to be coated is realized. The coating shielding jig 100 in the embodiment can be applied to PVD coating, and physically shields the workpiece 200 to be coated with a film by using a simple structure, and has the following advantages: the structure is simple, the manufacturing efficiency is high, and the method is suitable for large-scale mass production and popularization; the double-color shielding boundary of the workpiece 200 to be coated can be adjusted according to the structure of the adjusting and fastening assembly 140, and the boundary is consistent and attractive, so that poor appearance caused by chemical oiling protection is avoided; physical shielding is adopted, chemical strong acid and strong alkali solution is not contacted, and the workpiece 200 to be coated is not corroded; the PVD coating does not produce waste gas and liquid in the production process, and the process is simple, environment-friendly and pollution-free.
As shown in fig. 3, according to some embodiments of the present application, optionally, the fastening assembly 140 includes an elastic member 141 and a fastening member 142, the fastening member 142 is connected to the workpiece 200 to be coated, and the elastic member 141 is disposed between the fastening member 142 and the box cover 120 and applies a force to the fastening member 142 toward the baffle 110, so that the fastening member 142 or the workpiece 200 to be coated abuts against the baffle 110.
The elastic member 141 is disposed between the fastening member 142 and the box cover 120, and when the baffle plate 110 and the box cover 120 are mutually matched, two ends of the elastic member 141 are respectively abutted against the fastening member 142 and the box cover 120, so that the elastic member 141 is pressed by the fastening member 142 and the box cover 120, and the elastic member 141 can apply a force to the fastening member 142 towards the baffle plate 110, so that the fastening member 142 or the workpiece 200 to be plated is abutted against the baffle plate 110.
In the embodiment shown in fig. 2 and 3, the elastic member 141 is an elastic piece having a V-shaped structure, and one end of the elastic piece is fixedly connected to the side of the box cover 120 facing the baffle 110. In other embodiments, the elastic piece may be connected to the end surface of the fastening member 142 facing the box cover 120. In other embodiments, the elastic member 141 may be a spring.
Referring to fig. 1 and 3, according to some embodiments of the present disclosure, optionally, the tightening member 142 includes a force-receiving block 1421 and a positioning ring 1422, a gap exists between the force-receiving block 1421 and the positioning ring 1422 for accommodating the workpiece 200 to be plated, when the force-receiving block 1421 and the positioning ring 1422 fix the workpiece 200 to be plated, the workpiece 200 to be plated is placed in the gap and a local area of the workpiece 200 to be plated protrudes out of the gap to be exposed to an external space.
The force-bearing block 1421 is under the action of the elastic force of the elastic member 141, and the workpiece 200 to be coated is clamped in the gap between the force-bearing block 1421 and the positioning ring 1422. When the force-receiving block 1421 and the positioning ring 1422 are fixed to the workpiece 200 to be coated, a gap still exists between the force-receiving block 1421 and the positioning ring 1422, so that a local region of the coated workpiece protrudes from the gap and is exposed to the outside space.
According to some embodiments of the present application, optionally, the surfaces of the force-bearing block 1421 and the positioning ring 1422, which are engaged with the workpiece 200 to be coated, are profiling surfaces adapted to the workpiece 200 to be coated. The contoured face may include round, square, or other contour requirements. For example, when the workpiece 200 to be coated has a plurality of step grooves, the surfaces of the force-receiving block 1421 and the positioning ring 1422 that are matched with the workpiece 200 to be coated may have step protrusions that are matched with the step grooves.
Referring to fig. 3, according to some embodiments of the present disclosure, optionally, the force-bearing block 1421 abuts against the elastic member 141, so that the force-bearing block 1421 drives the workpiece 200 to be plated to abut against the baffle 110. The positioning ring 1422 is embedded in the film coating hole 111. The stress block 1421 is under the elastic force of the elastic member 141, so as to clamp the workpiece 200 to be coated between the stress block 1421 and the positioning ring 1422, and push the workpiece 200 to be coated against the baffle 110, at this time, the positioning ring 1422 is embedded in the coating hole 111, and the area of the workpiece 200 to be coated near the coating hole 111 is shielded, so as to avoid coating.
In other embodiments, the force-bearing block 1421 abuts against the elastic member 141, so that the force-bearing block 1421 drives the positioning ring 1422 to abut against the baffle 110, and the outer diameter of the positioning ring 1422 is larger than the aperture of the film coating hole 111. The force-bearing block 1421 is under the elastic force of the elastic member 141, so as to clamp the workpiece 200 to be coated between the force-bearing block 1421 and the positioning ring 1422, and the positioning ring 1422 abuts against the baffle 110. The positioning ring 1422 abuts against the baffle 110, and the outer diameter of the positioning ring 1422 should be larger than the diameter of the coating hole 111. To reduce the effect of the retaining ring 1422 on coating, the inner diameter of the retaining ring 1422 is preferably equal to the diameter of the coating hole 111.
Referring to fig. 3, according to some embodiments of the present disclosure, the baffle 110 and the box cover 120 are optionally fastened to facilitate assembly and disassembly of the workpiece 200 to be coated.
Referring to fig. 2 and 3, according to some embodiments of the present disclosure, optionally, at least one fastening sheet 112 is fixedly connected to a side of the baffle 110 facing the box cover 120, the box cover 120 is provided with fastening holes 121 adapted to the fastening sheet 112, the fastening sheet 112 is provided with a limiting protrusion 1121, and the fastening sheet 112 can pass through the fastening holes 121 and abut against a side of the box cover 120 facing away from the baffle 110 by using the limiting protrusion 1121.
The fastening sheet 112 is fixedly connected to the baffle 110, which may be connected by gluing, screwing with screws, welding, etc. In the embodiment shown in fig. 1 and 3, fastening sheet 112 is L-shaped, and a portion of fastening sheet 112 is fixedly connected to baffle 110, and another portion is vertically disposed toward fastening hole 121.
The limiting protrusion 1121 is located at one side of the fastening piece 112, and when the baffle 110 and the box cover 120 are fastened, the limiting protrusion 1121 is located through the fastening hole 121 and abuts against the side of the far baffle 110 of the box cover 120 to limit and fix the baffle 110 and the box cover 120. In the present embodiment, the position-limiting protrusion 1121 is obliquely disposed on the fastening sheet 112, so that the fastening sheet 112 passes through the fastening hole 121.
Referring to fig. 3, according to some embodiments of the present application, optionally, at least one of the cover 120 and the baffle 110 is provided with a flange facing the other, and when the baffle 110 and the cover 120 are mated, at least one of the flanges abuts the cover 120 or the baffle 110.
Specifically, the box cover 120 is provided with a flange, which abuts against the baffle 110 when the baffle 110 and the box cover 120 are mated, so that the accommodating cavity 130 is formed between the box cover 120 and the baffle 110, or the baffle 110 is provided with a flange, which abuts against the box cover 120 when the baffle 110 and the box cover 120 are mated, so that the accommodating cavity 130 is formed between the box cover 120 and the baffle 110, or, as shown in fig. 3, both the box cover 120 and the baffle 110 are provided with flanges, and when the baffle 110 and the box cover 120 are mated, one of the two flanges abuts against the box cover 120 or the baffle 110, so that the accommodating cavity 130 is formed between the box cover 120 and the baffle 110.
When the film-coating shielding jig 100 of the above embodiment is used to coat the workpiece 200 to be coated with a film, the following method may be adopted:
when the metal color and the coating color of the workpiece to be coated are required to be obtained:
s1: and cleaning the workpiece 200 to be coated before PVD to remove dirt, oil stains and other residual foreign matters on the surface of the workpiece 200 to be coated. Generally, a workpiece 200 to be coated is soaked in an oil removing solution for cleaning 5% -10%, the temperature is 60-80 ℃, ultrasonic cleaning is carried out for more than 10min, and oil stains on the surface of a product are cleaned; then soaking the product in a dewaxing solution for cleaning 3% -5%, wherein the temperature is 60-80 ℃, and ultrasonic cleaning is carried out for more than 10min to clean off wax and stains on the surface of the product; and then ultrasonic cleaning is carried out in deionized water for 5-10 min to remove surface residues. And drying in an industrial oven at 60-120 deg.c for over 20 min.
S2: the workpiece 200 to be coated, which is inspected, cleaned and qualified, is loaded into the coating shielding jig 100, and the baffle 110 and the box cover 120 are buckled.
S3: the coating mask jig 100 with the workpiece 200 to be coated is assembled into a vacuum furnace, and evacuation and heating operations are performed. Wherein the background vacuum pressure of the furnace body is not higher than 8.0 multiplied by 10-3Pa, the temperature of the furnace body reaches 60-120 ℃, a metal bottom layer of Ti, Zr or Cr and the like is deposited, the Ti, Zr or Cr and the like is targeted to a medium-frequency pulse sputtering power supply, the power supply frequency is 20-60 KHZ, working gas Ar is introduced into the furnace for 200-800 sccm, the bias voltage is 50-200V, the duty ratio is 20-80%, the deposition power of the Ti or Zr target is 3-12 kW, and the film forming time is adjusted to the target film thickness according to different parameter settings. The layer is typically deposited to a thickness of about 0.1 to 0.2 μm.
Depositing medium frequency TiN or ZrN or CrN and other color layers, targeting Ti or Zr or Cr and other color layers to a medium frequency pulse sputtering power supply with the power supply frequency of 20 KHZ-60 KHZ, introducing working gas Ar of 200-800 sccm, and introducing reaction gas N230-150 sccm, 100-200V of bias voltage, 20-80% of duty ratio and 3-12 kW of Ti or Zr target power, and the PVD color layer is completed after the film forming time is adjusted to the target film thickness according to different parameter settings. Cooling to below 80 ℃ after the deposition is finished, and discharging.
S4: the film coating shielding jig 100 with the workpiece is opened, and the workpiece with the plating effect is taken out.
The coating shielding jig 100 for the two-color coating can be used for electroplating other PVD targets besides Ti, Zr, Cr and other targets, TiN, ZrN, CrN and other color layers, and can also be used for applying the targets and using or increasing the reaction gas C2H2、CH4、O2And the electroplating effect of two colors, such as metal color + inner mapping red, metal color + inner mapping coffee, metal color + inner mapping green and the like, of the workpiece is realized.
When the workpiece 200 to be coated needs to be subjected to double-color coating:
s1: cleaning a workpiece 200 to be coated before PVD to remove dirt, oil stains and other residual foreign matters on the surface of a base material, generally soaking the workpiece 200 to be coated in a 5-10% degreasing solution for cleaning at 60-80 ℃, and performing ultrasonic cleaning for more than 10min to clean the oil stains on the surface of the workpiece; then soaking the product in a dewaxing solution for cleaning 3% -5%, wherein the temperature is 60-80 ℃, and ultrasonic cleaning is carried out for more than 10min to clean off wax and stains on the surface of the product; and then ultrasonic cleaning is carried out in deionized water for 5-10 min to remove surface residues. And drying in an industrial oven at 60-120 deg.c for over 20 min.
S2: the workpiece 200 to be coated is assembled into a vacuum furnace for evacuation and heating. The vacuum pressure of the furnace body background is not higher than 8.0 multiplied by 10 < -3 > Pa, the temperature of the furnace body reaches 60-120 ℃, a metal layer bottom layer such as Ti, Zr or Cr and the like is deposited, a target such as Ti, Zr or Cr and the like is connected with a medium-frequency pulse sputtering power supply, the power supply frequency is 20 KHZ-60 KHZ, working gas Ar is introduced into the furnace for 200-800 sccm, the bias voltage is 50-200V, the duty ratio is 20-80%, the deposition power of the Ti or Zr target is 3-12 kW, and the film forming time is adjusted to the target film thickness according to different parameter settings. The layer is typically deposited to a thickness of about 0.1 to 0.2 μm.
Depositing a medium-frequency TiC or ZrCN or CrC color layer, targeting Ti or Zr or Cr and the like to a medium-frequency pulse sputtering power supply, controlling the power supply frequency at 20 KHZ-60 KHZ, introducing working gas Ar of 200-800 sccm, introducing reaction gas C2H of 230-300 sccm, biasing by 100-200V, controlling the duty ratio to be 20% -80%, controlling the Ti or Zr target power to be 3-12 kW, and setting and adjusting the film forming time to the target film thickness according to different parameters to complete the PVD color layer. Cooling to below 80 ℃ after the deposition is finished, and discharging.
S3: and (3) loading the qualified workpieces with electroplated colors into the film coating shielding jig 100, and buckling the baffle 110 and the box cover 120.
S4: the coating mask jig 100 with the workpiece is assembled into a vacuum furnace, and evacuation and heating operations are performed. The vacuum pressure of the furnace body background is not higher than 8.0 multiplied by 10 < -3 > Pa, the temperature of the furnace body reaches 60-120 ℃, a metal layer bottom layer such as Ti, Zr or Cr and the like is deposited, a target such as Ti, Zr or Cr and the like is connected with a medium-frequency pulse sputtering power supply, the power supply frequency is 20 KHZ-60 KHZ, working gas Ar is introduced into the furnace for 200-800 sccm, the bias voltage is 50-200V, the duty ratio is 20-80%, the deposition power of the Ti or Zr target is 3-12 kW, and the film forming time is adjusted to the target film thickness according to different parameter settings. The layer is typically deposited to a thickness of about 0.1 to 0.2 μm.
Depositing a medium-frequency TiN or ZrN or CrN or other color layer, targeting Ti or Zr or Cr or other color layer to a medium-frequency pulse sputtering power supply, controlling the power supply frequency at 20 KHZ-60 KHZ, introducing working gas Ar of 200-800 sccm, reacting gas N of 230-150 sccm, biasing voltage of 100-200V, duty ratio of 20% -80%, and controlling the film forming time to be 3-12 kW according to different parameter settings, and finishing the PVD color layer after the film forming time is adjusted to the target film thickness. Cooling to below 80 ℃ after the deposition is finished, and discharging.
S5: the film coating shielding jig 100 with the workpiece is opened, and the workpiece with the plating effect is taken out.
The coating shielding jig 100 for the double-color coating can electroplate Ti, Zr, Cr and other targets, and can electroplate TiN, ZrN, CrN and other color layers, and can electroplate other PVD target materials, and can realize different color matching electroplating effects of black + inner mapping red, black + inner mapping coffee, black + inner mapping green and the like.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present application, and are intended to be covered by the claims and the specification of the present application. In particular, the features mentioned in the embodiments can be combined in any manner, as long as no structural conflict exists. This application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.
Claims (10)
1. A film coating shielding jig is used for fixing a workpiece to be coated and is characterized by comprising a baffle and a box cover which are matched, wherein a containing cavity is formed between the baffle and the box cover; the baffle is provided with at least one coating hole, the coating hole is communicated with the accommodating cavity and the external space, fastening components in one-to-one correspondence with the coating holes are arranged in the accommodating cavity, the fastening components are used for limiting the workpiece to be coated, and the coating hole is used for exposing the local area of the workpiece to be coated.
2. The coating shielding jig according to claim 1, wherein the fastening assembly comprises an elastic member and an abutting member, the abutting member is connected with the workpiece to be coated, and the elastic member is arranged between the abutting member and the box cover and applies a force to the abutting member towards the baffle plate so that the abutting member or the workpiece to be coated abuts against the baffle plate.
3. The coating shielding jig according to claim 2, wherein the top member comprises a force-receiving block and a positioning ring, a gap for accommodating the workpiece to be coated exists between the force-receiving block and the positioning ring, when the force-receiving block and the positioning ring are fixed to the workpiece to be coated, the workpiece to be coated is placed in the gap and a local area of the workpiece to be coated protrudes out of the gap to be exposed to an external space.
4. The coating shielding jig according to claim 3, wherein the surfaces of the stress block and the positioning ring which are matched with the workpiece to be coated are profiling surfaces which are matched with the workpiece to be coated.
5. The coating shielding jig according to claim 3, wherein the force-bearing block abuts against the elastic member, so that the force-bearing block drives the workpiece to be coated to abut against the baffle.
6. The coating shielding jig of claim 5, wherein the positioning ring is embedded in the coating hole.
7. The coating shielding jig according to claim 3, wherein the force-receiving block abuts against the elastic member, so that the force-receiving block drives the positioning ring to abut against the baffle, and the outer diameter of the positioning ring is larger than the aperture of the coating hole.
8. The coating shielding jig according to claim 1, wherein the baffle is fastened to the box cover.
9. The coating shielding jig according to claim 8, wherein at least one fastening piece is fixedly connected to a side surface of the baffle plate facing the box cover, the box cover is provided with fastening holes adapted to the fastening pieces, the fastening pieces are provided with limiting protrusions, and the fastening pieces can penetrate through the fastening holes and abut against a side surface of the box cover facing away from the baffle plate by using the limiting protrusions.
10. The plating masking jig of claim 1, wherein at least one of the box cover and the baffle is provided with a flange facing the other of the box cover and the baffle, and when the baffle is matched with the box cover, at least one of the flanges abuts against the box cover or the baffle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111535186.7A CN114318223B (en) | 2021-12-15 | 2021-12-15 | Coating film shielding jig |
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| CN114318223A true CN114318223A (en) | 2022-04-12 |
| CN114318223B CN114318223B (en) | 2024-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044880A (en) * | 2022-07-27 | 2022-09-13 | 松山湖材料实验室 | Film coating jig and film coating method |
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| JPH1046338A (en) * | 1996-08-02 | 1998-02-17 | Toyota Motor Corp | Jig for film coating |
| KR20090108420A (en) * | 2008-04-11 | 2009-10-15 | 주식회사 에이디피엔지니어링 | Chuck and deposition apparatus using the same |
| KR20150108723A (en) * | 2014-03-17 | 2015-09-30 | (주)우리정도 | Masking Jig for Chemical Vapor Deposition Apparatus and Masking Jig Thereof |
| CN210411291U (en) * | 2019-08-14 | 2020-04-28 | 贵州迈锐钻探设备制造有限公司 | Drill bit clamping device and drill bit assembly hole spraying equipment |
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2021
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1046338A (en) * | 1996-08-02 | 1998-02-17 | Toyota Motor Corp | Jig for film coating |
| KR20090108420A (en) * | 2008-04-11 | 2009-10-15 | 주식회사 에이디피엔지니어링 | Chuck and deposition apparatus using the same |
| KR20150108723A (en) * | 2014-03-17 | 2015-09-30 | (주)우리정도 | Masking Jig for Chemical Vapor Deposition Apparatus and Masking Jig Thereof |
| CN210411291U (en) * | 2019-08-14 | 2020-04-28 | 贵州迈锐钻探设备制造有限公司 | Drill bit clamping device and drill bit assembly hole spraying equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115044880A (en) * | 2022-07-27 | 2022-09-13 | 松山湖材料实验室 | Film coating jig and film coating method |
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| CN114318223B (en) | 2024-04-05 |
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