CN114134476A - Magnetron sputtering printing plate coating equipment for bank notes - Google Patents
Magnetron sputtering printing plate coating equipment for bank notes Download PDFInfo
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- CN114134476A CN114134476A CN202111636189.XA CN202111636189A CN114134476A CN 114134476 A CN114134476 A CN 114134476A CN 202111636189 A CN202111636189 A CN 202111636189A CN 114134476 A CN114134476 A CN 114134476A
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- magnetron sputtering
- banknote printing
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- 238000007639 printing Methods 0.000 title claims abstract description 70
- 238000000576 coating method Methods 0.000 title claims abstract description 43
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 238000001755 magnetron sputter deposition Methods 0.000 title claims abstract description 39
- 238000005477 sputtering target Methods 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 25
- 229910052751 metal Inorganic materials 0.000 abstract description 16
- 239000002184 metal Substances 0.000 abstract description 16
- 238000005086 pumping Methods 0.000 abstract description 14
- 238000004140 cleaning Methods 0.000 abstract description 8
- 239000013077 target material Substances 0.000 abstract description 8
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000001771 vacuum deposition Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 14
- 239000000428 dust Substances 0.000 description 6
- 239000007888 film coating Substances 0.000 description 6
- 238000009501 film coating Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000977 initiatory effect Effects 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000010147 laser engraving Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012704 polymeric precursor Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
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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
-
- 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
-
- 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
- C23C14/564—Means for minimising impurities in the coating chamber such as dust, moisture, residual gases
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The invention relates to the technical field of vacuum coating, in particular to a magnetron sputtering banknote printing plate coating device, which comprises: the vacuum chamber is fixedly provided with a sputtering target material in an inner cavity, and one side of the inner cavity of the vacuum chamber, which is opposite to the sputtering target material, is provided with a mounting part for detachably mounting a banknote printing plate to be coated; the air pumping assembly and the air charging assembly are respectively arranged on two opposite sides of the vacuum chamber; the coiling rod, one side that is close to the inflatable component in the vacuum chamber is located to at least one end, and the driving piece is installed to coiling rod one end to the drive coiling rod rotates around the axis, and the coiling rod is parallel with the installed part. Through cleaning the metal impurities in the vacuum chamber and protecting the banknote printing plate, the surface of the banknote printing plate can be kept completely clean when the magnetron sputtering coating work starts, and the qualification rate of the magnetron sputtering coating of the banknote printing plate is greatly improved.
Description
Technical Field
The invention relates to the technical field of vacuum coating, in particular to a coating device for a magnetron sputtering banknote printing plate.
Background
Banknote printing plates for producing security documents are usually produced by laser engraving of a polymeric precursor plate or by direct laser engraving of a metal plate. Before the banknote printing plate is installed on the intaglio printing press, in order to increase the surface hardness, wear resistance and corrosion resistance of the banknote printing plate, a wear-resistant coating, usually a chromium metal coating or a titanium metal coating, is processed on the surface of the banknote printing plate.
In the prior art, a vacuum magnetron sputtering coating technology is generally adopted to prepare a coating on the surface of a banknote printing plate. In the vacuum coating process, part of metal atoms can be deposited on the cavity wall of the equipment and the shielding plate to form metal impurities, the bonding force of the metal impurities is poor, along with the increase of the coating times, metal impurity particles can fall on the surface of the banknote printing plate due to the action of gravity or the disturbance of a vacuum coating machine on the air flow in the equipment cavity in the vacuumizing stage, defects can be formed on the surface of the banknote printing plate during subsequent magnetron sputtering coating, the quality of a wear-resistant coating is unqualified, and the qualification rate of coating on the banknote printing plate by a magnetron sputtering coating means is extremely low.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect of low qualification rate of the banknote printing plate coating film caused by the influence of metal impurities when the surface of the banknote printing plate is coated by a magnetron sputtering process in the prior art, thereby providing the magnetron sputtering banknote printing plate coating equipment.
The invention provides a magnetron sputtering banknote printing plate coating device, which comprises:
the vacuum chamber is fixedly provided with a sputtering target material in an inner cavity, and one side of the inner cavity of the vacuum chamber, which is opposite to the sputtering target material, is provided with a mounting part for detachably mounting a banknote printing plate to be coated;
the air pumping assembly and the air charging assembly are respectively arranged on two opposite sides of the vacuum chamber;
the coiling rod, one side that is close to the inflatable component in the vacuum chamber is located to at least one end, and the driving piece is installed to coiling rod one end to the drive coiling rod rotates around the axis, and the coiling rod is parallel with the installed part.
Optionally, the mounting member is arranged to be inclined downwards, and the included angle between the mounting member and the horizontal plane is 1-20 degrees.
Optionally, the mount is angled at 15 ° to the horizontal.
Optionally, one end of the winding rod is arranged in the vacuum chamber, the other end of the winding rod penetrates through the shell of the vacuum chamber and extends out of the vacuum chamber, and the driving piece is mounted at one end of the winding rod arranged outside the vacuum chamber.
Optionally, the inflation assembly comprises a compressed air pump and an air inlet pipeline, one end of the air inlet pipeline is communicated with the output end of the compressed air pump, and the other end of the air inlet pipeline is communicated with the vacuum chamber.
Optionally, the air pumping assembly includes a mechanical pump and an air pumping pipeline, one end of the air pumping pipeline is communicated with an input end of the mechanical pump, and the other end of the air pumping pipeline is communicated with the vacuum chamber.
Optionally, a filter pump is installed between the mechanical pump and the suction line.
Optionally, the output end of the inflation assembly communicated with the vacuum chamber and the input end of the suction assembly communicated with the vacuum chamber are arranged along the diagonal of the vacuum chamber.
Optionally, the vacuum chamber is rotatably provided with a bearing plate, the bearing plate has a working state which is matched with the vacuum chamber body to seal the vacuum chamber and a preparation state which is separated from the vacuum chamber body to expose the inner cavity of the vacuum chamber, and the sputtering target is fixedly arranged on the bearing plate.
Optionally, the vacuum chamber further comprises a mounting bracket, and the vacuum chamber is fixedly mounted on the mounting bracket.
The technical scheme of the invention has the following advantages:
1. the invention provides a magnetron sputtering banknote printing plate coating device, which comprises: the vacuum chamber is fixedly provided with a sputtering target material in an inner cavity, and one side of the inner cavity of the vacuum chamber, which is opposite to the sputtering target material, is provided with a mounting part for detachably mounting a banknote printing plate to be coated; the air pumping assembly and the air charging assembly are respectively arranged on two opposite sides of the vacuum chamber; the coiling rod, one side that is close to the inflatable component in the vacuum chamber is located to at least one end, and the driving piece is installed to coiling rod one end to the drive coiling rod rotates around the axis, and the coiling rod is parallel with the installed part.
Before carrying out magnetron sputtering coating film to the paper money certificate galley, paper money certificate galley surface cover one deck dustproof film after the cleanness, install the paper money certificate galley on the installed part, and connect the one end of dustproof film to the winding rod, then cooperate with the subassembly of bleeding through aerifing the subassembly, aerify from the one end of real empty room, bleed from the other end of real empty room simultaneously, through aerifing constantly and bleeding, make the impurity particle on the inside cavity inner wall of real empty room can be blown off, and be bled away by the subassembly of bleeding, reach the purpose of real empty room inner chamber automatically cleaning. When the air exhaust assembly and the air inflation assembly work in a matched mode to be clean, the residual metal impurity particles with light mass on the inner wall of the vacuum chamber can be disturbed by the atmospheric flow to cause the detonation of dust, and the dust particles can fall and be adhered to the dust-proof film by covering the dust-proof film on the surface of the banknote printing plate. When the vacuum degree of the inner cavity of the vacuum chamber reaches a certain value, the residual gas in the vacuum chamber can not lead to the initiation of dust any more. Because the air pressure in the vacuum chamber is lower at the moment, the dustproof film can be tightly pasted on the surface of the banknote printing plate, and the film can be torn and remained on the surface of the banknote printing plate by directly lifting the dustproof film. Through setting up the rolling rod, fix dustproof film one end on the rolling rod, utilize driving piece drive rolling rod to rotate for dustproof film can the even atress, slowly withdraws from paper money stock galley surface, and then exposes clear paper money stock galley surface. Through cleaning the metal impurities in the vacuum chamber and protecting the banknote printing plate, the surface of the banknote printing plate can be kept completely clean when the magnetron sputtering coating work starts, and the qualification rate of the magnetron sputtering coating of the banknote printing plate is greatly improved.
2. The magnetron sputtering banknote printing plate coating equipment provided by the invention has the advantages that the installation part is arranged in a downward inclination manner, and the included angle between the installation part and the horizontal plane is 1-20 degrees. The paper money printing plate installed on the installation part can be inclined downwards, and in the magnetron sputtering coating process, metal impurity particles adhered to the inner wall of the vacuum chamber can directly fall to the bottom of the vacuum chamber when falling off due to gravity, so that the paper money printing plate is prevented from being polluted due to the fact that the metal impurity particles fall on the surface of the paper money printing plate.
3. The invention provides magnetron sputtering banknote printing plate coating equipment. Through locating the driving piece outside the vacuum chamber, avoid the driving piece work to cause the disturbance to the vacuum in the vacuum chamber, guarantee the clean degree in the vacuum chamber after the cleanness is accomplished.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a magnetron sputtering banknote printing plate coating device provided in an embodiment of the invention.
FIG. 2 is a schematic structural view of the evacuation assembly and the inflation assembly provided in the embodiment of the present invention, which are installed in cooperation with the vacuum chamber.
FIG. 3 is a schematic view of another angle of the vacuum chamber with the evacuation and inflation assemblies of the present invention.
Description of reference numerals: 1. mounting a bracket; 2. a vacuum chamber; 3. a carrier plate; 4. sputtering a target material; 5. a compressed air pump; 6. an air intake line; 7. a mechanical pump; 8. an air extraction pipeline; 9. a filter pump; 10. winding the rod; 11. a winding motor; 12. and (4) a film coating clamping frame.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples
As shown in fig. 1 to fig. 3, a specific embodiment of a magnetron sputtering printing plate coating apparatus for a banknote includes: the vacuum chamber device comprises a mounting bracket 1 and a vacuum chamber 2 fixedly mounted on the mounting bracket 1. The left side and the right side of the vacuum chamber 2 are respectively provided with an air exhaust component and an air inflation component, and the right side of the inner cavity of the vacuum chamber 2 is rotatably provided with a winding rod 10. In order to facilitate observation of the internal structure of the vacuum chamber 2, the side walls of the left and right sides of the vacuum chamber in fig. 1 to 3 are opened, and the carrier plate 3 on the vacuum chamber is in a ready state. In the working process of coating, the side walls of the left side and the right side of the vacuum chamber are completely and hermetically connected with the vacuum chamber body, and the bearing plate is in a working state and is matched and sealed with the vacuum chamber body.
A sputtering target 4 is fixedly arranged in the inner cavity of the vacuum chamber 2, and a clamping frame used as a mounting part is arranged on one side of the inner cavity of the vacuum chamber 2 opposite to the sputtering target 4 and used for clamping and mounting a banknote printing plate to be coated. In order to facilitate the installation of the banknote printing plate in the vacuum chamber 2, a bearing plate 3 is rotatably installed on the vacuum chamber 2, the bearing plate 3 has a working state which is matched with the vacuum chamber 2 body to seal the vacuum chamber 2 and a preparation state which is separated from the vacuum chamber 2 body to expose the inner cavity of the vacuum chamber 2, and a sputtering target 4 is fixedly installed on the bearing plate 3. In this embodiment, the vacuum chamber 2 is installed on the installation bracket 1 in an inclined manner so that the installation member is arranged in an inclined manner, and the included angle between the installation member and the horizontal plane can be any value from 1 to 20 degrees. In this embodiment, the angle between the mounting member and the horizontal plane is 15 °.
The air charging component comprises a compressed air pump 5 and an air inlet pipeline 6, one end of the air inlet pipeline 6 is communicated with the output end of the compressed air pump 5, and the other end of the air inlet pipeline is communicated with the vacuum chamber 2. The air pumping assembly comprises a mechanical pump 7 and an air pumping pipeline 8, one end of the air pumping pipeline 8 is communicated with the input end of the mechanical pump 7, and the other end of the air pumping pipeline is communicated with the vacuum chamber 2. In order to avoid the influence of the metal impurities extracted from the vacuum chamber 2 on the mechanical pump 7, a filter pump 9 is installed between the mechanical pump 7 and the extraction line 8. So as to filter and collect the metal impurities and discharge the collected metal impurities. The air inlet pipeline 6 of the air inflation component and the air exhaust pipeline 8 of the air exhaust component are communicated with the vacuum chamber 2 through sealing valves, and the air exhaust component and the air inflation component are respectively arranged on the left side and the right side of the vacuum chamber 2. In this embodiment, the output end of the inflation module communicated with the vacuum chamber 2 and the input end of the pumping module communicated with the vacuum chamber 2 are arranged along the diagonal of the vacuum chamber 2, that is, the air inlet end of the pumping pipeline 8 is arranged at the lower left corner of the vacuum chamber 2, and the air outlet end of the air inlet pipeline 6 is arranged at the upper right corner of the vacuum chamber 2.
At least one end of the winding rod 10 is arranged on one side, close to the inflation assembly, in the vacuum chamber 2, one end of the winding rod 10 is provided with a winding motor 11 serving as a driving piece so as to drive the winding rod 10 to rotate around an axis, and the winding rod 10 is parallel to the mounting piece. In order to avoid the influence of the operation of the driving member on the cleanliness inside the vacuum chamber 2, in the present embodiment, one end of the winding rod 10 is disposed inside the vacuum chamber 2, the other end of the winding rod penetrates through the housing of the vacuum chamber 2 and extends to the outside of the vacuum chamber 2, and the driving member is mounted at one end of the winding rod 10 disposed outside the vacuum chamber 2.
Before the paper money printing plate is coated with a film, the paper money printing plate is cleaned in a thousand-level cleaning room to ensure that the coated surface of the paper money printing plate is absolutely clean, and then the coated surface of the paper money printing plate is covered with a layer of dustproof film. And fixing the coated banknote printing plate on an upper coating clamping frame 12 of a magnetron sputtering device, and fixing one end of a dustproof film on a winding rod 10.
Before the magnetron sputtering equipment is coated with a film, valves of an air inlet pipeline 6 and an air extraction pipeline 8 are opened, a compressed air pump 5 and a mechanical pump 7 are started, the pressure of compressed air is adjusted to 0.6MPa, the compressed air enters an inner cavity of a box-type vacuum chamber 2 through the air inlet pipeline 6 and is extracted through the mechanical pump 7, air with impurities in the vacuum chamber 2 is discharged through the air extraction pipeline 8, a filter pump 9 is installed on the air extraction pipeline 8 to filter and collect the impurities, and the impurities are prevented from entering the mechanical pump 7 to influence the normal operation of the mechanical pump.
When 0.6MPa compressed air enters from the upper right end of the vacuum chamber 2 and the mechanical pump 7 pumps air out from the lower left end of the vacuum chamber 2, disturbed air flow can be formed in the vacuum chamber 2, and loose impurity particles originally attached to the inner wall of the vacuum chamber 2 or the baffle are blown off under the action of the disturbed air flow. The blown-off impurity particles are pumped out by the air pumping pipeline 8 under the driving of the air flow, when the air flow passes through the filter pump 9, the large impurity particles in the air are filtered and collected by the filter pump 9, and the filtered air is discharged by the mechanical pump 7. The self-cleaning process lasts for 30min, then the valves of the air inlet pipeline and the air exhaust pipeline are closed, the compression pump is closed, and the impurity particles attached to the inner wall of the cavity and the baffle are cleaned to achieve the purpose of self-cleaning the cavity.
After the self-cleaning in the vacuum chamber 2 is finished, the magnetron sputtering equipment starts to vacuumize, a large amount of gas is pumped out by the mechanical pump 7 in the rough vacuumizing stage, part of impurity particles remained in the cavity of the vacuum chamber 2 are disturbed by the large gas flow to cause the initiation of dust, part of the initiation dust can be adhered to the surface of the dustproof film, and after the vacuum degree in the cavity reaches below 6 Pa to 10-3 Pa, the residual gas in the cavity can not cause the initiation dust again. At this time, the winding motor 11 can be started, the winding motor 11 serving as a driving part drives the winding rod 10 to rotate slowly, the dustproof film covering the surface of the coated film of the banknote printing plate is uncovered, the clean coated film of the banknote printing plate is exposed, and the magnetron sputtering coating process of the banknote printing plate is completed by continuing the magnetron sputtering coating program.
The vacuum chamber 2 of the magnetron sputtering device is obliquely arranged for 15 degrees, so that the banknote printing plate fixedly arranged in the vacuum chamber 2 is obliquely arranged for 15 degrees towards the direction of the target material, and the vacuum chamber 2 is fixed on the fixed support. Because the clamping frame of the fixed printing plate is parallel to the cavity, the back surface of the banknote printing plate is fixed on the frame, and the film coating surface of the banknote printing plate faces the target, the inclination of the vacuum chamber 2 enables the film coating surface of the banknote printing plate to incline downwards by 15 degrees, and if part of residual impurity particles around the inner wall of the vacuum chamber 2 cavity fall off due to the action of gravity in the film coating process, the impurity particles can only fall onto the back surface of the banknote printing plate or the bottom of the cavity of the vacuum chamber 2, so that the pollution to the film coating surface of the banknote printing plate caused by the falling of the impurity particles onto the film coating surface of the banknote printing plate is avoided.
By cleaning the metal impurities in the vacuum chamber 2 and protecting the banknote printing plate, the surface of the banknote printing plate can be kept completely clean when the magnetron sputtering coating work starts, the defects on the surface of the coated banknote printing plate are reduced, and the qualification rate of the magnetron sputtering coating of the banknote printing plate is greatly improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A magnetron sputtering paper money printing plate coating equipment is characterized by comprising:
the device comprises a vacuum chamber (2), a sputtering target (4) is fixedly arranged in the inner cavity of the vacuum chamber (2), and a mounting part is arranged on one side of the inner cavity of the vacuum chamber (2) opposite to the sputtering target (4) and used for detachably mounting a banknote printing plate to be coated;
the air inflation assembly and the air exhaust assembly are communicated with the vacuum chamber (2), and the air exhaust assembly and the air inflation assembly are respectively arranged on two opposite sides of the vacuum chamber (2);
the vacuum chamber is characterized by comprising a winding rod (10), wherein at least one end of the winding rod (10) is arranged on one side, close to the inflation assembly, in the vacuum chamber (2), a driving piece is installed at one end of the winding rod (10) to drive the winding rod (10) to rotate around an axis, and the winding rod (10) is parallel to the installation piece.
2. The magnetron sputtering banknote printing plate coating device as claimed in claim 1, wherein the mounting member is arranged to be inclined downwards, and an included angle between the mounting member and a horizontal plane is 1-20 °.
3. The magnetron sputtering banknote printing plate coating device of claim 2 wherein the angle between the mounting member and the horizontal plane is 15 °.
4. The magnetron sputtering banknote printing plate coating device according to any one of claims 1 to 3, wherein one end of the winding rod (10) is arranged in the vacuum chamber (2), the other end of the winding rod penetrates through the shell of the vacuum chamber (2) and extends out of the vacuum chamber (2), and the driving member is installed at one end of the winding rod (10) arranged outside the vacuum chamber (2).
5. The magnetron sputtering banknote printing plate coating device according to any one of claims 1 to 3, wherein the air inflation assembly comprises a compressed air pump (5) and an air inlet pipeline (6), one end of the air inlet pipeline (6) is communicated with the output end of the compressed air pump (5), and the other end is communicated with the vacuum chamber (2).
6. The magnetron sputtering banknote printing plate coating device according to any one of claims 1 to 3, wherein the air suction assembly comprises a mechanical pump (7) and an air suction pipeline (8), one end of the air suction pipeline (8) is communicated with an input end of the mechanical pump (7), and the other end is communicated with the vacuum chamber (2).
7. The magnetron sputtering banknote printing plate coating device according to claim 6, wherein a filter pump (9) is installed between the mechanical pump (7) and the air suction pipeline (8).
8. The magnetron sputtering banknote printing plate coating device according to any one of claims 1 to 3, wherein an output end of the inflation assembly communicating with the vacuum chamber (2) and an input end of the suction assembly communicating with the vacuum chamber (2) are arranged along a diagonal of the vacuum chamber (2).
9. The magnetron sputtering banknote printing plate coating equipment according to any one of claims 1 to 3, wherein a bearing plate (3) is rotatably mounted on the vacuum chamber (2), the bearing plate (3) has an operating state of being matched with the vacuum chamber (2) body to seal the vacuum chamber (2) and a preparation state of being separated from the vacuum chamber (2) body to expose the inner cavity of the vacuum chamber (2), and the sputtering target (4) is fixedly mounted on the bearing plate (3).
10. The magnetron sputtering banknote printing plate coating device according to any one of claims 1 to 3, further comprising a mounting bracket (1), wherein the vacuum chamber (2) is fixedly mounted on the mounting bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111636189.XA CN114134476A (en) | 2021-12-28 | 2021-12-28 | Magnetron sputtering printing plate coating equipment for bank notes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111636189.XA CN114134476A (en) | 2021-12-28 | 2021-12-28 | Magnetron sputtering printing plate coating equipment for bank notes |
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| Publication Number | Publication Date |
|---|---|
| CN114134476A true CN114134476A (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111636189.XA Pending CN114134476A (en) | 2021-12-28 | 2021-12-28 | Magnetron sputtering printing plate coating equipment for bank notes |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082193A (en) * | 2006-05-31 | 2007-12-05 | 中国印钞造币总公司 | Technique for producing window-open type broad safety line money paper by single-circle mesh paper machine |
| WO2016054950A1 (en) * | 2014-10-09 | 2016-04-14 | 香港纺织及成衣研发中心有限公司 | Magnetron sputtering winding coating machine capable of generating pattern |
| CN108611612A (en) * | 2018-06-02 | 2018-10-02 | 南通盛州电子科技有限公司 | A kind of vacuum sputtering equipment and sputtering method |
| CN112481588A (en) * | 2020-10-20 | 2021-03-12 | 广东振华科技股份有限公司 | Full-automatic rapid sputtering coating production equipment |
| CN113136553A (en) * | 2021-04-23 | 2021-07-20 | 深圳市乐苏科技有限公司 | Film coating equipment and film coating process for mobile phone camera lens |
| CN113463030A (en) * | 2021-07-08 | 2021-10-01 | 浙江海顺新材料有限公司 | Preparation method and device of aluminum oxide vacuum coating |
| CN217026060U (en) * | 2021-12-28 | 2022-07-22 | 北京中钞钞券设计制版有限公司 | Magnetron sputtering printing plate coating equipment for banknote |
-
2021
- 2021-12-28 CN CN202111636189.XA patent/CN114134476A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082193A (en) * | 2006-05-31 | 2007-12-05 | 中国印钞造币总公司 | Technique for producing window-open type broad safety line money paper by single-circle mesh paper machine |
| WO2016054950A1 (en) * | 2014-10-09 | 2016-04-14 | 香港纺织及成衣研发中心有限公司 | Magnetron sputtering winding coating machine capable of generating pattern |
| CN108611612A (en) * | 2018-06-02 | 2018-10-02 | 南通盛州电子科技有限公司 | A kind of vacuum sputtering equipment and sputtering method |
| CN112481588A (en) * | 2020-10-20 | 2021-03-12 | 广东振华科技股份有限公司 | Full-automatic rapid sputtering coating production equipment |
| CN113136553A (en) * | 2021-04-23 | 2021-07-20 | 深圳市乐苏科技有限公司 | Film coating equipment and film coating process for mobile phone camera lens |
| CN113463030A (en) * | 2021-07-08 | 2021-10-01 | 浙江海顺新材料有限公司 | Preparation method and device of aluminum oxide vacuum coating |
| CN217026060U (en) * | 2021-12-28 | 2022-07-22 | 北京中钞钞券设计制版有限公司 | Magnetron sputtering printing plate coating equipment for banknote |
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Effective date of registration: 20230608 Address after: Room 403, Building 7, No. 21 Tianhua Street, Daxing District Biomedical Base, Beijing 102629 Applicant after: China Banknote design plate making Co.,Ltd. Address before: 100070 No.5 Zhonghe Road, Fengtai District, Beijing Applicant before: BEIJING BANKNOTE CURRENCY DESIGNING AND PLATING Co.,Ltd. |