CN113774345A - Magnetron sputtering-based composite board mobile phone rear cover printing and film plating method - Google Patents
Magnetron sputtering-based composite board mobile phone rear cover printing and film plating method Download PDFInfo
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- CN113774345A CN113774345A CN202111021787.6A CN202111021787A CN113774345A CN 113774345 A CN113774345 A CN 113774345A CN 202111021787 A CN202111021787 A CN 202111021787A CN 113774345 A CN113774345 A CN 113774345A
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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
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
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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
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Organic Chemistry (AREA)
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Abstract
The invention discloses a magnetron sputtering based method for printing and coating a rear cover of a composite board mobile phone, relating to the technical field of coating, the method comprises the steps of completing a film coating process by using magnetron sputtering-based film coating equipment, vacuumizing by using a vacuum pump, conveying process gas by using an air inlet pump, providing sufficient process gas for film coating under the cooperation of the vacuum pump and the air inlet pump, ensuring the back covers of a plurality of semi-finished mobile phones to be orderly stacked by using a material discharging pipe, sequentially conveying the back covers of the plurality of semi-finished mobile phones to a conveying belt by using the reciprocating motion of a first push plate and a second push plate to facilitate uniform film coating, sequentially receiving the other end of the film coating into a storage box after the film coating is completed, pushing the storage box out, the coating equipment based on magnetron sputtering is high in automation degree, the coating of the rear cover of the semi-finished mobile phone is orderly and not disordered, the error probability of the coating process is reduced, the maintenance and adjustment time is reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of coating, in particular to a magnetron sputtering-based method for printing and coating a rear cover of a composite board mobile phone.
Background
With the development of times, the demetallization trend of a battery cover of a back cover of a mobile phone is accelerated, a plastic shell becomes a new research hotspot again, and the PC + PMMA composite board is a composite material prepared by co-extruding two raw materials of PC and PMMA, and the back cover of the mobile phone which is vitrified visually can be prepared by surface treatment;
in order to ensure the brightness of the rear cover of the mobile phone, an electroplating process is required to be added in a printing process, the existing electroplating process of the rear cover of the mobile phone generally adopts a magnetron sputtering technology, particles with positive charges bombard the surface of a cathode target with negative charges under a vacuum condition, atoms or molecules are sputtered from the surface of the target, and the particles sputtered from the surface of the target are deposited on a substrate to form a film, the process is magnetron sputtering coating, and the existing magnetron sputtering coating equipment has the defects of complex structure, high production cost, complex production process and low yield, influences the production efficiency of the rear cover of the mobile phone, influences the brightness of the rear cover of the mobile phone and influences the appearance;
therefore, a magnetron sputtering-based composite board mobile phone rear cover printing and film plating method is needed to solve the above problems.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a magnetron sputtering-based composite board mobile phone rear cover printing and film plating method, which comprises the following steps: according to the method, a film coating process is completed by using magnetron sputtering-based film coating equipment, a vacuum pump is used for vacuumizing, an air inlet pump is used for conveying process gas, the vacuum pump and the air inlet pump are matched to provide sufficient process gas for film coating, then a plurality of semi-finished mobile phone back covers are orderly stacked through a discharging pipe, the semi-finished mobile phone back covers are sequentially conveyed to a conveying belt in order by using the reciprocating motion of a first push plate and a second push plate, so that uniform film coating is facilitated, the film coating is completed, the other end of the film coating is orderly put into a storage box, and then the storage box is pushed out.
The purpose of the invention can be realized by the following technical scheme:
a magnetron sputtering based composite board mobile phone rear cover printing and film plating method comprises the following steps:
the method comprises the following steps: processing the mobile phone rear cover by using a composite board according to the specification to form a mobile phone rear cover material part;
step two: printing a pattern on the mobile phone rear cover material part to form a semi-finished mobile phone rear cover;
step three: placing the semi-finished mobile phone rear cover in a feeding pipe of a magnetron sputtering-based coating device, overlapping a plurality of semi-finished mobile phone rear cover layers in a material placing pipe, and dropping the semi-finished mobile phone rear cover layers on the top of a second push plate;
step four: the vacuum pump operates to vacuumize the inner cavity of the coating box through the exhaust pipe, and the air inlet pump operates to convey the process gas into the inner cavity of the coating box through the air conveying pipe;
step five: the driving motor operates to realize the rotation of the conveyor belt, and the material pushing cylinder operates to sequentially push a plurality of semi-finished mobile phone rear covers onto the conveyor belt through the first push plate and the second push plate;
step six: and absorbing the particles with negative charges generated by the process gas by the polar plate, wherein the particles with positive charges generated by the process gas move in the magnetic field generated by the magnet to bombard the surface of the target material, so that atoms or molecules sputtered from the surface of the target material are deposited on the rear cover of the semi-finished mobile phone to form a film, and thus the rear cover of the composite mobile phone based on magnetron sputtering is obtained.
As a further scheme of the invention: the magnetron sputtering-based film coating equipment comprises a film coating box, a material discharging pipe, a conveying belt, a first push plate, a second push plate and a storage box, wherein the center of the top of the film coating box is provided with the installation box, the two ends of the top of the film coating box are respectively provided with the material feeding pipe and the material placing pipe, and one end, close to the material feeding pipe, of the film coating box is provided with a material pushing cylinder;
the utility model discloses a coating device, including material cylinder, movable rod, feeding cylinder.
As a further scheme of the invention: first sealed lid is installed at the top of inlet pipe, place the top of pipe and install the sealed lid of second, the one end embedding that the inlet pipe was kept away from at the top of coating case is installed and is sealed the cylinder, the coating case is close the one end of sealed cylinder and has seted up the discharge gate, install the closed door on the movable rod of sealed cylinder, closed door sliding connection is in one section inner wall of coating case.
As a further scheme of the invention: one side butt of receiver has the catch plate, catch plate slidable mounting is on the inner chamber bottom of coating case, one side that the receiver was kept away from to the catch plate is connected to on ejection of compact cylinder's the movable rod, ejection of compact cylinder installs the top at the installation base, the installation pedestal mounting is in the inner chamber bottom of coating case, the one end butt catch plate of installation base, ejection of compact cylinder is located the below of conveyer belt.
As a further scheme of the invention: the gas transmission case is installed to one side of coating case, the fixed plate is installed with the junction embedding of gas transmission case to the coating case, a plurality of exhaust tube is installed side by side to the position that the fixed plate is close to the top, a plurality of the exhaust tube all communicates to the input of vacuum pump, the inner chamber top at the gas transmission case is installed to the vacuum pump, a plurality of gas-supply pipe is installed side by side to the position that the fixed plate is close to the bottom, a plurality of the gas-supply pipe all communicates to the output of pump that admits air, the pump that admits air is installed in the inner chamber bottom of gas transmission case.
As a further scheme of the invention: the transmission case is installed to the opposite side of coating case, the inner chamber both ends of conveyer belt are cup jointed respectively on two drive rollers, the drive roller rotates and installs on the inner wall of coating case, the one end of drive roller runs through the inner wall of coating case and extends to the inner chamber of transmission case, the drive sprocket has been cup jointed, two to one of the drive roller it connects through the chain to serve between the drive sprocket, drive sprocket and chain all are located the inner chamber of transmission case, and the one end of one of them drive roller is connected to on driving motor's the output shaft.
As a further scheme of the invention: the mounting box is characterized in that a polar plate is mounted at the top of an inner cavity of the mounting box, a plurality of magnets are mounted at the bottom of the polar plate and are mounted on a copper back plate, a target is mounted at the bottom of the copper back plate, and the target is located above the conveyor belt.
As a further scheme of the invention: the working process of the coating equipment based on magnetron sputtering comprises the following steps:
the method comprises the following steps: processing the mobile phone rear cover by using a composite board according to the specification to form a mobile phone rear cover material part;
step two: printing a pattern on the mobile phone rear cover material part to form a semi-finished mobile phone rear cover;
step three: placing the semi-finished mobile phone rear covers into a feeding pipe of a magnetron sputtering-based coating device, stacking a plurality of semi-finished mobile phone rear cover layers into a material placing pipe, dropping the semi-finished mobile phone rear cover layers onto the top of a second push plate, closing a first sealing cover, placing a storage box into an inner cavity of a coating box from a placing pipe, and closing a second sealing cover;
step four: starting a vacuum pump, wherein the vacuum pump operates to vacuumize the inner cavity of the coating box through an exhaust pipe, and starting an air inlet pump, and the air inlet pump operates to convey process gas into the inner cavity of the coating box through a gas conveying pipe;
step five: the driving motor is started, the driving motor drives the driving roller to rotate through the driving chain wheel and the chain, so that the conveying belt is driven to rotate, the material pushing cylinder is started, the movable rod of the material pushing cylinder extends to push the rear cover of the lowermost semi-finished mobile phone forward through the first push plate, the movable rod of the material pushing cylinder is contracted to enable the rear cover of the lowermost semi-finished mobile phone to fall to the front end of the second push plate, the first push plate and the second push plate move forward to push the rear covers of the lowermost semi-finished mobile phones forward, the rear cover of the lowermost semi-finished mobile phone is pushed onto the conveying belt, the rear cover of the other semi-finished mobile phone falls to the front end of the second push plate again when the movable rod of the material pushing cylinder contracts, and a plurality of rear covers of the semi-finished mobile phones are sequentially pushed onto the conveying belt;
step six: the polar plate absorbs particles with negative charges generated by process gas, the particles with positive charges generated by the process gas move in a magnetic field generated by a magnet to bombard the surface of the target material, so that atoms or molecules sputtered from the surface of the target material are deposited on the rear cover of the semi-finished mobile phone to form a film, and the rear cover of the composite mobile phone based on magnetron sputtering is obtained;
step seven: lid falls to the receiver in the tip of conveyer belt from behind the composite sheet cell-phone based on magnetron sputtering, treats that a plurality of covers fully carries the receiver behind the composite sheet cell-phone based on magnetron sputtering, starts ejection of compact cylinder, and ejection of compact cylinder's movable rod extends and promotes the receiver and move forward, starts closed cylinder, and closed cylinder's movable rod shrink pulling closed door rises, shifts out the discharge gate until closed door, and the receiver falls to the conveyer after the discharge gate and carries to next process.
The invention has the beneficial effects that:
the invention relates to a magnetron sputtering-based composite board mobile phone rear cover printing and coating method, which comprises the steps of processing a mobile phone rear cover by a composite board according to specifications to form a mobile phone rear cover material part, printing a pattern on the mobile phone rear cover material part to form a semi-finished mobile phone rear cover, placing the semi-finished mobile phone rear cover in a feed pipe of a magnetron sputtering-based coating device, stacking a plurality of semi-finished mobile phone rear cover layers in a discharge pipe, enabling the semi-finished mobile phone rear cover layers to fall on the top of a second push plate, vacuumizing the inner cavity of a coating box by a vacuum pump through an exhaust pipe, conveying process gas to the inner cavity of the coating box by an air inlet pump through an air conveying pipe, driving a motor to rotate to realize the rotation of a conveying belt, pushing a material cylinder to sequentially push a plurality of semi-finished mobile phone rear covers to the conveying belt through a first push plate and a second push plate, absorbing negatively charged particles generated by the process gas by a polar plate, and moving the positively charged particles generated by the process gas in a magnetic field generated by a magnet, bombarding the surface of the target material to enable atoms or molecules sputtered from the surface of the target material to be deposited on the rear cover of the semi-finished mobile phone to form a film, so as to obtain the rear cover of the composite board mobile phone based on magnetron sputtering; according to the method, a coating process is completed by utilizing coating equipment based on magnetron sputtering, a vacuum pump is used for vacuumizing, an air inlet pump is used for conveying process gas, the vacuum pump and the air inlet pump are matched to provide sufficient process gas for coating, then a plurality of semi-finished mobile phone rear covers are orderly stacked through a discharging pipe, the semi-finished mobile phone rear covers are sequentially conveyed to a conveying belt in order by utilizing the reciprocating motion of a first push plate and a second push plate, so that uniform coating is facilitated, the other end of the semi-finished mobile phone rear covers is orderly received into a storage box after coating is completed, and then the storage box is pushed out;
this coating equipment based on magnetron sputtering has guaranteed that the coating process is in the clean environment of sealing through setting up first sealed lid, the sealed lid of second and closed door, reduces the contaminated probability of cover after the coating process semi-manufactured goods are collected, has guaranteed the success of coating film and the quality of rete, reduces the probability that the substandard product appears, can reduce process gas's use amount simultaneously for process gas need not last a large amount of lets in, reduction in production cost.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a magnetron sputtering-based coating apparatus according to the present invention;
FIG. 2 is a schematic view of the internal structure of the magnetron sputtering-based coating apparatus according to the present invention;
FIG. 3 is a connection view of the fixing plate, the first push plate and the second push plate according to the present invention;
FIG. 4 is a view of the attachment of the stationary plate, vacuum pump, intake pump and gas transfer box of the present invention;
fig. 5 is a schematic view of the internal structure of the transmission case of the present invention.
In the figure: 101. coating a film box; 102. installing a box; 103. a feed pipe; 104. a first sealing cover; 105. a material pushing cylinder; 106. a gas transmission box; 107. a transmission case; 108. a drive motor; 109. placing a tube; 110. a second sealing cover; 111. sealing the cylinder; 112. a discharge port; 113. a closing door; 114. a conveyor; 115. discharging the material pipe; 116. a polar plate; 117. a magnet; 118. a copper back plate; 119. a target material; 120. a material loading platform; 121. a drive roller; 122. a conveyor belt; 123. a fixing plate; 124. installing a base; 125. a discharging cylinder; 126. a push plate; 127. a storage box; 128. a first push plate; 129. a second push plate; 130. a vacuum pump; 131. an intake pump; 132. an air exhaust pipe; 133. a gas delivery pipe; 134. a drive sprocket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Example 1:
referring to fig. 1-5, the present embodiment is a coating apparatus based on magnetron sputtering, including a coating box 101, a material discharge pipe 115, a conveyor belt 122, a first push plate 128, a second push plate 129, and a receiving box 127, where the top center of the coating box 101 is provided with an installation box 102, two ends of the top of the coating box 101 are respectively provided with a feeding pipe 103 and a placing pipe 109, the feeding pipe 103 and the placing pipe 109 are respectively located at two ends of the installation box 102, one end of the coating box 101 close to the feeding pipe 103 is provided with a material pushing cylinder 105, the bottom of one end of the coating box 101 close to the placing pipe 109 is provided with a conveyor 114, one side of the coating box 101 is provided with a transmission box 107, and the other side of the coating box 101 is provided with a gas transmission box 106;
a movable rod of the material pushing cylinder 105 penetrates through one side of the coating box 101 and is provided with a first push plate 128 and a second push plate 129 through a connecting plate, the first push plate 128 is arranged at the top of the second push plate 129, the length of the second push plate 129 is larger than that of the first push plate 128, a discharging pipe 115 is arranged right above the first push plate 128 and the second push plate 129, the discharging pipe 115 is arranged on the inner wall of the feeding pipe 103, the second push plate 129 is connected to the top of the material loading table 120 in a sliding mode, the material loading table 120 is arranged at one end of the bottom of an inner cavity of the coating box 101, the bottom end of the placing pipe 109 extends into the inner cavity of the coating box 101, a storage box 127 is arranged at the other end of the bottom of the inner cavity of the coating box 101, and a conveying belt 122 is arranged between the storage box 127 and the top end of the material loading table 120; vacuumizing through the vacuum pump 130, the process gas is conveyed by the air inlet pump 131, sufficient process gas is provided for coating under the cooperation of the vacuum pump and the air inlet pump, then, the rear covers of a plurality of semi-finished mobile phones are orderly stacked through the discharging pipe 115, the rear covers of the semi-finished mobile phones are sequentially conveyed to the conveying belt 122 in sequence by utilizing the reciprocating motion of the first push plate 128 and the second push plate 129, uniform coating is facilitated, the coating is orderly received into the storage box 127 at the other end, then, the storage box 127 is pushed out, the coating equipment based on magnetron sputtering is high in automation degree, the coating of the rear covers of the semi-finished mobile phones is orderly and cannot be disordered, the error probability of the coating process is reduced, the overhaul adjustment time is reduced, and the working efficiency is improved.
A first sealing cover 104 is installed at the top of the feeding pipe 103, a second sealing cover 110 is installed at the top of the placing pipe 109, a closed cylinder 111 is installed at one end, far away from the feeding pipe 103, of the top of the coating box 101 in an embedded mode, a discharging port 112 is formed in one end, close to the closed cylinder 111, of the coating box 101, the discharging port 112 abuts against one end of the conveyor 114, the discharging port 112 is higher than the conveyor belt on the conveyor 114, a closed door 113 is installed on a movable rod of the closed cylinder 111, the closed door 113 is connected to one section of inner wall of the coating box 101 in a sliding mode, and the closed door 113 and the discharging port 112 are matched components; through setting up first sealed lid 128, the sealed lid 129 of second and sealing door 113, guaranteed that the coating process is in the clean environment of sealing, reduced the contaminated probability of cover after the coating process semi-manufactured goods are collected, guaranteed the success of coating film and the quality of rete, reduce the probability that the substandard product appears, can reduce process gas's use amount simultaneously for process gas need not last a large amount of lets in, reduction in production cost.
One side butt of receiver 127 has connect has the catch plate 126, catch plate 126 slidable mounting is on the inner chamber bottom of coating case 101, one side that catch plate 126 kept away from receiver 127 is connected to ejection of compact cylinder 125 on the movable rod, ejection of compact cylinder 125 installs the top at installation base 124, installation base 124 installs the inner chamber bottom at coating case 101, the one end butt catch plate 126 of installation base 124, ejection of compact cylinder 125 is located the below of conveyer belt 122.
The fixed plate 123 is installed with the junction embedding of gas transmission case 106 to coating case 101, a plurality of exhaust tube 132 is installed side by side to the position that the fixed plate 123 is close to the top, a plurality of exhaust tube 132 all communicates to the input of vacuum pump 130, the inner chamber top at gas transmission case 106 is installed to vacuum pump 130, a plurality of gas-supply pipe 133 is installed side by side to the position that the fixed plate 123 is close to the bottom, a plurality of gas-supply pipe 133 all communicates to the output of air intake pump 131, the inner chamber bottom at gas transmission case 106 is installed to air intake pump 131.
The inner cavity both ends of conveyer belt 122 cup joint respectively on two drive rollers 121, drive roller 121 rotates and installs on the inner wall of coating case 101, the inner wall that coating case 101 was run through to the one end of drive roller 121 and extend to the inner cavity of transmission case 107, drive sprocket 134 has been cup jointed on the one end of drive roller 121, connect through the chain between two drive sprocket 134, drive sprocket 134 and chain all are located the inner cavity of transmission case 107, the one end of one of them drive roller 121 is connected to on the output shaft of driving motor 108.
A polar plate 116 is installed at the top of an inner cavity of the installation box 102, a plurality of magnets 117 are installed at the bottom of the polar plate 116, the magnets 117 are all installed on a copper back plate 118, a target 119 is installed at the bottom of the copper back plate 118, and the target 119 is located above the conveyor belt 122.
Referring to fig. 1-5, the present embodiment is a working process of a magnetron sputtering-based coating apparatus, including the following steps:
the method comprises the following steps: processing the mobile phone rear cover by using a composite board according to the specification to form a mobile phone rear cover material part;
step two: printing a pattern on the mobile phone rear cover material part to form a semi-finished mobile phone rear cover;
step three: placing the semi-finished mobile phone rear covers into a feeding pipe 103 of a coating device based on magnetron sputtering, stacking a plurality of semi-finished mobile phone rear covers into a discharging pipe 115, dropping on the top of a second push plate 129, closing a first sealing cover 104, placing a storage box 127 into an inner cavity of a coating box 101 from a placing pipe 109, and closing a second sealing cover 110;
step four: starting the vacuum pump 130, wherein the vacuum pump 130 operates to vacuumize the inner cavity of the coating box 101 through the exhaust pipe 132, starting the air inlet pump 131, and the air inlet pump 131 operates to convey process gas, such as argon, nitrogen and oxygen, into the inner cavity of the coating box 101 through the air conveying pipe 133;
step five: the driving motor 108 is started, the driving motor 108 operates to drive the driving roller 121 to rotate through the driving chain wheel 134 and the chain, so as to drive the conveying belt 122 to rotate, the material pushing cylinder 105 is started, the movable rod of the material pushing cylinder 105 extends to push the rear cover of the lowermost semi-finished mobile phone forward through the first push plate 128, the movable rod of the material pushing cylinder 105 is contracted, so that the rear cover of the lowermost semi-finished mobile phone falls to the front end of the second push plate 129, the first push plate 128 and the second push plate 129 move forward to push the rear covers of the lowermost semi-finished mobile phones forward, wherein the rear cover of the lowermost semi-finished mobile phone is pushed onto the conveying belt 122, the rear cover of the other semi-finished mobile phone falls to the front end of the second push plate 129 again when the movable rod of the material pushing cylinder 105 contracts, and a plurality of the rear covers of the semi-finished mobile phones are sequentially pushed onto the conveying belt 122;
step six: the polar plate 116 absorbs particles with negative charges generated by the process gas, the particles with positive charges generated by the process gas move in a magnetic field generated by the magnet 117 and bombard the surface of the target 119, so that atoms or molecules sputtered from the surface of the target 119 are deposited on the rear cover of the semi-finished mobile phone to form a film, and the rear cover of the composite board mobile phone based on magnetron sputtering is obtained;
step seven: the composite board mobile phone rear cover based on magnetron sputtering falls into the storage box 127 from the end part of the conveyor belt 122, when the storage box 127 is fully covered by a plurality of composite board mobile phones based on magnetron sputtering, the discharging cylinder 125 is started, the movable rod of the discharging cylinder 125 extends to push the storage box 127 to move forwards, the sealing cylinder 111 is started, the movable rod of the sealing cylinder 111 contracts to pull the sealing door 113 to ascend until the sealing door 113 moves out of the discharging port 112, and the storage box 127 falls onto the conveyor 114 after passing through the discharging port 112 to be conveyed to the next process.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (7)
1. A magnetron sputtering-based composite board mobile phone rear cover printing and film plating method is characterized by comprising the following steps:
the method comprises the following steps: processing the mobile phone rear cover by using a composite board according to the specification to form a mobile phone rear cover material part;
step two: printing a pattern on the mobile phone rear cover material part to form a semi-finished mobile phone rear cover;
step three: placing the semi-finished mobile phone rear covers in a feeding pipe (103) of a coating device based on magnetron sputtering, overlapping a plurality of semi-finished mobile phone rear covers in a material placing pipe (115), and dropping on the top of a second push plate (129);
step four: the vacuum pump (130) operates to vacuumize the inner cavity of the coating box (101) through the exhaust pipe (132), and the air inlet pump (131) operates to convey the process gas into the inner cavity of the coating box (101) through the air conveying pipe (133);
step five: the driving motor (108) operates to realize the rotation of the conveyor belt (122), and the material pushing cylinder (105) operates to sequentially push a plurality of semi-finished mobile phone rear covers onto the conveyor belt (122) through the first push plate (128) and the second push plate (129);
step six: the polar plate (116) absorbs particles with negative charges generated by the process gas, the particles with positive charges generated by the process gas move in a magnetic field generated by the magnet (117) and bombard the surface of the target (119), atoms or molecules sputtered from the surface of the target (119) are deposited on the rear cover of the semi-finished mobile phone to form a film, and the rear cover of the composite board mobile phone based on magnetron sputtering is obtained.
2. The magnetron sputtering-based composite board mobile phone rear cover printing and coating method according to claim 1, wherein the magnetron sputtering-based coating equipment comprises a coating box (101), a discharging pipe (115), a conveyor belt (122), a first push plate (128), a second push plate (129) and a storage box (127), wherein an installation box (102) is installed at the center of the top of the coating box (101), a feeding pipe (103) and a placing pipe (109) are respectively installed at two ends of the top of the coating box (101), and a material pushing cylinder (105) is installed at one end, close to the feeding pipe (103), of the coating box (101);
the utility model discloses a coating machine, including material pushing cylinder (105), movable rod, blowing pipe (115), material discharging pipe (115), material loading platform (120), material pushing cylinder (105), movable rod, material pushing cylinder (105) and connecting plate, first push pedal (128) and second push pedal (129) are installed to one side that runs through coating case (101) and through the connecting plate, the top at second push pedal (129) is installed in first push pedal (128), be provided with blowing pipe (115) directly over second push pedal (129), the inner wall at inlet pipe (103) is installed in blowing pipe (115), place in the inner chamber that the bottom of pipe (109) extends to coating case (101), receiver (127) have been placed to the inner chamber bottom other end of coating case (101), be provided with conveyer belt (122) between the top of receiver (127) and material loading platform (120).
3. The magnetron sputtering-based composite board mobile phone rear cover printing and coating method according to claim 2, wherein a first sealing cover (104) is installed at the top of the feeding pipe (103), a second sealing cover (110) is installed at the top of the placing pipe (109), a closed cylinder (111) is installed at one end, away from the feeding pipe (103), of the top of the coating box (101) in an embedded manner, a discharge hole (112) is formed in one end, close to the closed cylinder (111), of the coating box (101), a closed door (113) is installed on a movable rod of the closed cylinder (111), and the closed door (113) is slidably connected in a section of inner wall of the coating box (101).
4. The magnetron sputtering based composite board mobile phone rear cover printing and coating method according to claim 2, wherein a pushing plate (126) abuts against one side of the storage box (127), the pushing plate (126) is slidably mounted on the bottom of the inner cavity of the coating box (101), one side of the pushing plate (126) far away from the storage box (127) is connected to a movable rod of a discharging cylinder (125), the discharging cylinder (125) is mounted on the top of a mounting base (124), the mounting base (124) is mounted on the bottom of the inner cavity of the coating box (101), one end of the mounting base (124) abuts against the pushing plate (126), and the discharging cylinder (125) is located below the conveyor belt (122).
5. The magnetron sputtering based composite board mobile phone rear cover printing and film plating method according to claim 2, it is characterized in that one side of the coating box (101) is provided with a gas transmission box (106), a fixing plate (123) is embedded and installed at the joint of the film coating box (101) and the gas transmission box (106), a plurality of air exhaust pipes (132) are arranged side by side at the position of the fixed plate (123) close to the top, the air exhaust pipes (132) are all communicated to the input end of a vacuum pump (130), the vacuum pump (130) is arranged on the top of the inner cavity of the gas transmission box (106), a plurality of air pipes (133) are arranged in parallel at the position of the fixed plate (123) close to the bottom, the air pipes (133) are all communicated to the output end of the air inlet pump (131), the air inlet pump (131) is arranged at the bottom of the inner cavity of the gas transmission box (106).
6. The magnetron sputtering-based composite board mobile phone rear cover printing and coating method according to claim 2, wherein a transmission case (107) is installed on the other side of the coating case (101), two ends of the inner cavity of the conveyor belt (122) are respectively sleeved on two driving rollers (121), the driving rollers (121) are rotatably installed on the inner wall of the coating case (101), one end of each driving roller (121) penetrates through the inner wall of the coating case (101) and extends into the inner cavity of the transmission case (107), a driving sprocket (134) is sleeved on one end of each driving roller (121), the two driving sprockets (134) are connected through a chain, the driving sprockets (134) and the chain are both located in the inner cavity of the transmission case (107), and one end of one driving roller (121) is connected to an output shaft of the driving motor (108).
7. The magnetron sputtering based composite board mobile phone rear cover printing and coating method according to claim 2, wherein a pole plate (116) is installed on the top of the inner cavity of the installation box (102), a plurality of magnets (117) are installed on the bottom of the pole plate (116), a plurality of magnets (117) are all installed on a copper back plate (118), a target material (119) is installed on the bottom of the copper back plate (118), and the target material (119) is located above the conveyor belt (122).
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