CN109518132B - Method for carrying out PVD coating on mobile phone card holder - Google Patents
Method for carrying out PVD coating on mobile phone card holder Download PDFInfo
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- CN109518132B CN109518132B CN201811578623.1A CN201811578623A CN109518132B CN 109518132 B CN109518132 B CN 109518132B CN 201811578623 A CN201811578623 A CN 201811578623A CN 109518132 B CN109518132 B CN 109518132B
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- mobile phone
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
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Abstract
The invention discloses a method for carrying out PVD coating on mobile phone card supports, which comprises the steps of sequencing all mobile phone card supports to form an array; collecting surface images of all mobile phone card holders in the array, comparing the collected surface images of all mobile phone card holders with a preset image, and displaying the mobile phone card holders which do not meet the requirements; taking out the mobile phone card holders which do not meet the requirements; preprocessing the rest mobile phone card holders meeting the requirements; carrying out PVD coating on the preprocessed mobile phone card holder; and after cooling, taking out the mobile phone card support by using the manipulator, freely dropping the mobile phone card support from a height set above the detection station, detecting an instantaneous pressure value caused by the mobile phone card support by using a pressure sensor positioned on the detection station, and judging that the mobile phone card support is a defective product when the pressure sensor detects that the instantaneous pressure value is greater than or less than a set threshold value. The invention has good film coating effect, can effectively improve the yield and improve the film coating efficiency.
Description
Technical Field
The invention belongs to the technical field of vacuum coating, and particularly relates to a method for carrying out PVD coating on a mobile phone card holder.
Background
With the continuous improvement of living standard of people, the smart phone becomes an indispensable communication tool in the life of people. Most of existing smart phones are provided with a card holder at the side part, a card support is arranged in the card holder, and a SIM card or a storage card is inserted into the card holder through the card support. Because there are many metal terminals in the mobile phone card holder, in order to prevent the card holder from forming electric leakage, the current card holder is generally formed on the periphery of the card holder by plastic molding, or an insulating layer is coated on the surface of the card holder, so that the part of the card holder inserted into the card holder is in an insulating state.
Physical Vapor Deposition (PVD) is a technique of arc discharge under vacuum with low voltage and large current, in which a target is evaporated by gas discharge and both evaporated material and inert gas are ionized, and the evaporated material and reaction product thereof are deposited on a base material by acceleration of an electric field.
In the prior art, an insulating layer is coated on the surface of a card holder by using a PVD coating technology, but the realization process is too simple, so that the yield of products cannot be effectively ensured. In addition, after the insulating layer is coated by using the PVD coating technology, workers need to be arranged for product detection, and since the detection is performed manually, the detection efficiency is low, and the detection accuracy also needs to be improved.
Disclosure of Invention
In order to solve the problems, the invention provides a method for performing PVD coating on a mobile phone card holder, which adds a set inspection process and a set repair process before performing the PVD coating and also adds a corresponding inspection process after the PVD coating, thereby effectively ensuring the yield of products and reducing the labor intensity of workers.
The technical purpose is achieved, the technical effect is achieved, and the invention is realized through the following technical scheme:
a method for carrying out PVD coating on a mobile phone card holder comprises the following steps:
(1) sequencing the mobile phone card holders according to a set sequencing rule to form an array;
(2) collecting surface images of all mobile phone card holders in the array, comparing the collected surface images of all mobile phone card holders with a preset image, and finally displaying the mobile phone card holders which do not meet the requirements by using a display;
(3) taking the mobile phone card holders which do not meet the requirements away by using a manipulator;
(4) preprocessing the rest mobile phone card holders meeting the requirements;
(5) sending the preprocessed mobile phone card holder into a PVD coating machine for PVD coating, so that the surface of the mobile phone card holder is provided with a film;
(6) and after cooling, taking out the mobile phone card support by using the manipulator, freely dropping the mobile phone card support from a height set above the detection station, detecting an instantaneous pressure value caused by the mobile phone card support by using a pressure sensor positioned on the detection station, and judging that the mobile phone card support is a defective product when the pressure sensor detects that the instantaneous pressure value is greater than or less than a set threshold value.
As a further improvement of the present invention, the preprocessing of the mobile phone card holder specifically comprises:
degreasing the mobile phone card holder by using a degreasing agent;
removing dust of the mobile phone card holder after oil removal treatment by using a plasma fan;
then, the mobile phone card support is sent into an oven to be baked for drying treatment;
and finally, carrying out sand blasting treatment on the surface of the mobile phone card holder.
As a further improvement of the invention, the baking temperature in the oven is 100-120 ℃.
As a further improvement of the invention, the sand used in the sand blasting treatment is carborundum or iron sand.
As a further improvement of the invention, the thickness of the film on the surface of the mobile phone card holder is 3-9 μm.
As a further improvement of the invention, the method further comprises the following steps between the step (5) and the step (6):
after the PVD coating machine finishes coating, cold N2 gas is introduced into the PVD coating machine, and a water cooling system in the PVD coating machine is started to realize double cooling.
As a further improvement of the invention, the array is a rectangular array or a square array.
As a further improvement of the present invention, the preset image includes a plurality of standard mobile phone card holder images, and the positions of the standard mobile phone card holder images are the same as the sequence of the mobile phone card holders to be tested, correspond to the positions of the standard mobile phone card holder images, and have the same shape and size.
As a further improvement of the invention, the sizes of the mobile phone card holders to be tested are the same or different; the sizes of the standard mobile phone card support images are the same or different.
As a further improvement of the present invention, step (6) further comprises: and when the mobile phone card is judged to be defective, the mobile phone card support is thrown into a waste box by using the manipulator.
Compared with the prior art, the invention has the beneficial effects that:
according to the method for carrying out PVD coating on the mobile phone card support, before PVD coating is carried out, the mobile phone card supports to be tested are arrayed according to the set sequence, then the surface images of all the mobile phone card supports are collected, the collected surface images of all the mobile phone card supports are compared with the preset image, and finally the mobile phone card supports which do not meet the requirements are displayed by using the display, so that a part of defective products can be removed before the mobile phone card supports are preprocessed, the labor intensity of workers is greatly reduced, and the yield of products is improved; in the PVD coating process, instantaneous pressure values generated after the mobile phone card supports do free falling motion from a set height are detected to detect and judge the weight of the coated mobile phone card supports, so that whether the coating thickness of the mobile phone card supports can meet requirements or not is judged, the good products are guaranteed to be put into the market, the detection process is completely carried out by a machine, manual participation is not needed, the labor intensity of workers is greatly reduced, and the detection precision is high.
Drawings
FIG. 1 is a schematic flow chart of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description of the principles of the invention is provided in connection with the accompanying drawings.
Because the realization process of coating the insulating layer on the surface of the card support by utilizing the PVD coating technology in the prior art is too simple, the yield of products cannot be effectively ensured. In addition, after the insulating layer is coated by using the PVD coating technology, workers need to be arranged for product detection, and since the detection is performed manually, the detection efficiency is low, and the detection accuracy also needs to be improved. Before PVD coating, arranging all mobile phone card holders to be tested into an array according to a set sequence, then acquiring surface images of all the mobile phone card holders, comparing the acquired surface images of all the mobile phone card holders with a preset image, and finally displaying the mobile phone card holders which do not meet the requirements by using a display, so that a part of defective products can be removed before the mobile phone card holders are preprocessed, the labor intensity of workers is greatly reduced, and the yield of products is improved; in the PVD coating process, instantaneous pressure values generated after the mobile phone card supports do free falling motion from a set height are detected to detect and judge the weight of the coated mobile phone card supports, so that whether the coating thickness of the mobile phone card supports can meet requirements or not is judged, the good products are guaranteed to be put into the market, the detection process is completely carried out by a machine, manual participation is not needed, the labor intensity of workers is greatly reduced, and the detection precision is high.
As shown in fig. 1, the method for performing PVD coating on a mobile phone card holder specifically includes the following steps:
step (1): sequencing the mobile phone card holders according to a set sequencing rule to form an array;
in a specific embodiment of the present invention, the step (1) specifically includes: sequencing the mobile phone card holders according to a set sequencing rule to form a rectangular array;
in another specific embodiment of the present invention, the step (1) specifically is: sequencing the mobile phone card holders according to a set sequencing rule to form a square array;
the specific form of the array is not the key protection content of the invention, and can also be other geometric shapes such as a circle and the like, and the specific form is set according to actual needs, and the invention is not described in detail;
step (2): collecting surface images of all mobile phone card holders in the array, comparing the collected surface images of all mobile phone card holders with a preset image, and finally displaying the mobile phone card holders which do not meet the requirements by using a display; preferably, when the surface images of all the mobile phone card holders in the array are collected, an industrial camera can be used for collecting, the collected surface images of all the mobile phone card holders are sent to a processor, and the processor compares the collected surface images of all the mobile phone card holders with a preset image;
in a specific embodiment of the present invention, the preset image includes a plurality of standard mobile phone card holder images, and the positions of the standard mobile phone card holder images are the same as the sequence, correspond to the positions, and have the same shape and size of the mobile phone card holders to be tested. Furthermore, the sizes of the mobile phone card holders to be tested are the same or different; the sizes of the standard mobile phone card support images are the same or different. The design ensures that when the method is used for vacuum coating, the mobile phone card holders with various sizes and shapes can be simultaneously coated, detection errors cannot occur, and the applicability of the method is greatly improved; in the comparison process, the shape and the size of the mobile phone card holder to be detected are checked;
and (3): the mobile phone card support which does not meet the requirement is taken away by using the manipulator, namely the mobile phone card support which does not meet the requirement is discarded by using the manipulator; the design mode can reduce the labor and materials for pretreating the defective products in the subsequent pretreatment process;
step (4) preprocessing the rest mobile phone card holders meeting the requirements;
in a specific embodiment of the present invention, the step (4) is specifically:
degreasing the mobile phone card holder by using a degreasing agent;
removing dust of the mobile phone card holder after oil removal treatment by using a plasma fan;
then, the mobile phone card support is sent into an oven to be baked for drying treatment, preferably, the baking temperature in the oven is 100-120 ℃;
finally, carrying out sand blasting treatment on the surface of the mobile phone card holder; the sand adopted in the sand blasting treatment is carborundum or iron sand.
Step (5), sending the mobile phone card support after pretreatment into a PVD coating machine for PVD coating, so that the surface of the mobile phone card support is provided with a film; the thickness of the film on the surface of the mobile phone card support is 3-9 μm;
step (6) after the PVD coating machine finishes coating, introducing cold N2 gas into the PVD coating machine, and simultaneously starting a water cooling system in the PVD coating machine to realize double cooling;
step (7) after cooling, taking out the mobile phone card holder by using a manipulator, and freely dropping the mobile phone card holder from a height set above a detection station, wherein the detection station is positioned at an accessory of the PVD coating machine, meanwhile, a pressure sensor positioned on the detection station is used for detecting an instantaneous pressure value caused by the mobile phone card holder, and when the pressure sensor detects that the instantaneous pressure value is greater than or less than a set threshold value, the mobile phone card holder is judged to be a defective product; the step (7) further comprises: and when the mobile phone card is judged to be defective, the mobile phone card support is thrown into a waste box by using the manipulator.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A method for carrying out physical vapor deposition coating on a mobile phone card holder is characterized by comprising the following steps:
(1) sequencing the mobile phone card holders according to a set sequencing rule to form an array;
(2) collecting surface images of all mobile phone card holders in the array, comparing the collected surface images of all mobile phone card holders with a preset image, and finally displaying the mobile phone card holders which do not meet the requirements by using a display;
(3) taking the mobile phone card holders which do not meet the requirements away by using a manipulator;
(4) preprocessing the rest mobile phone card holders meeting the requirements;
(5) sending the pretreated mobile phone card holder into a physical vapor deposition coating machine for physical vapor deposition coating, so that the surface of the mobile phone card holder is provided with a film;
(6) and after cooling, taking out the mobile phone card support by using the manipulator, freely dropping the mobile phone card support from a height set above the detection station, detecting an instantaneous pressure value caused by the mobile phone card support by using a pressure sensor positioned on the detection station, and judging that the mobile phone card support is a defective product when the pressure sensor detects that the instantaneous pressure value is greater than or less than a set threshold value.
2. The method of claim 1, wherein the physical vapor deposition coating of the mobile phone card holder is performed by: the pretreatment of the mobile phone card holder specifically comprises the following steps:
degreasing the mobile phone card holder by using a degreasing agent;
dedusting the mobile phone card holder after oil removal treatment by using a plasma fan;
then, the mobile phone card support is sent into an oven to be baked for drying treatment;
and finally, carrying out sand blasting treatment on the surface of the mobile phone card holder.
3. The method of claim 2, wherein the physical vapor deposition coating of the mobile phone card holder is performed by: the baking temperature in the baking oven is 100-120 ℃.
4. The method of claim 2, wherein the physical vapor deposition coating of the mobile phone card holder is performed by: the sand adopted in the sand blasting treatment is carborundum or iron sand.
5. The method of claim 1, wherein the physical vapor deposition coating of the mobile phone card holder is performed by: the thickness of the film on the surface of the mobile phone card support is 3-9 μm.
6. The method of claim 1, wherein the physical vapor deposition coating of the mobile phone card holder is performed by: between step (5) and step (6), further comprising:
after the physical vapor deposition coating machine finishes coating, introducing cold N into the physical vapor deposition coating machine2And gas and a water cooling system in the physical vapor deposition coating machine are started simultaneously to realize double cooling.
7. The method of claim 1, wherein the physical vapor deposition coating of the mobile phone card holder is performed by: the array is a rectangular array or a square array.
8. The method of claim 1, wherein the physical vapor deposition coating of the mobile phone card holder is performed by: the preset images comprise a plurality of standard mobile phone card support images, the positions of the standard mobile phone card support images are the same as the sequence of the mobile phone card supports to be tested, the positions of the standard mobile phone card support images correspond to the positions of the mobile phone card supports to be tested, and the shapes and the sizes of the standard mobile phone card support images are the same.
9. The method of claim 8, wherein the coating is applied by physical vapor deposition to a mobile phone card holder, the method comprising the steps of: the sizes of the mobile phone card holders to be tested are the same or different; the sizes of the standard mobile phone card support images are the same or different.
10. The method of claim 1, wherein the physical vapor deposition coating of the mobile phone card holder is performed by: the step (6) further comprises: and when the mobile phone card is judged to be defective, the mobile phone card support is thrown into a waste box by using the manipulator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578623.1A CN109518132B (en) | 2018-12-24 | 2018-12-24 | Method for carrying out PVD coating on mobile phone card holder |
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| CN201811578623.1A CN109518132B (en) | 2018-12-24 | 2018-12-24 | Method for carrying out PVD coating on mobile phone card holder |
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| CN109518132A CN109518132A (en) | 2019-03-26 |
| CN109518132B true CN109518132B (en) | 2020-12-01 |
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| JP2008311006A (en) * | 2007-06-13 | 2008-12-25 | Seiko Epson Corp | Manufacturing method of plasma generating device, film-forming device, and liquid crystal device, and electronic equipment |
| JP2012116151A (en) * | 2010-12-03 | 2012-06-21 | Sony Corp | Barrier film, and method for manufacturing the same |
| CN106356673B (en) * | 2015-07-17 | 2018-06-15 | 华为技术有限公司 | A kind of Kato and preparation method thereof, mobile terminal |
| CN106685452A (en) * | 2017-02-20 | 2017-05-17 | 上海晴格电子有限公司 | Double-layer steel sheet laminated and welded plastic cell phone clamping holder |
| CN206731578U (en) * | 2017-03-01 | 2017-12-12 | 东莞市轩诺电子有限公司 | A kind of mobile phone Kato finished product automatic detection device |
| CN107235710B (en) * | 2017-05-18 | 2021-01-08 | 深圳天珑无线科技有限公司 | Mobile phone card holder and preparation method thereof |
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