CN113843583B - Processing technology of radiator with insulating property - Google Patents
Processing technology of radiator with insulating property Download PDFInfo
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- CN113843583B CN113843583B CN202111005271.2A CN202111005271A CN113843583B CN 113843583 B CN113843583 B CN 113843583B CN 202111005271 A CN202111005271 A CN 202111005271A CN 113843583 B CN113843583 B CN 113843583B
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- radiator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
- C23C14/04—Coating on selected surface areas, e.g. using masks
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention discloses a processing technology of a radiator with insulating property, aiming at providing a radiator which has firm structure and can avoid the problem of ceramic chip falling off; and the heat conducting property is good, and the processing technology of the radiator with the insulating property can not influence the heat radiation property of the radiator. Firstly, installing a radiator in a local vacuum coating tool, wherein a coating opening is formed in the local vacuum coating tool; secondly, placing the local vacuum coating tool provided with the radiator into vacuum coating equipment, and performing local coating on the part, corresponding to the coating opening, on the surface of the radiator to form a local coating layer on the part, corresponding to the coating opening, on the surface of the radiator; and thirdly, welding the ceramic wafer and the copper wafer assembly, and placing the ceramic wafer, the copper wafer assembly and the radiator into vacuum brazing equipment for welding, wherein the ceramic wafer and the copper wafer assembly comprise a first soldering lug, the ceramic wafer, a second soldering lug and a copper sheet which are distributed in sequence.
Description
Technical Field
The invention relates to a radiator processing technology, in particular to a radiator processing technology with insulating property.
Background
The existing radiator is usually produced and formed by directly carrying out processes of blanking, processing, welding, surface treatment and the like on aluminum materials with high heat conductivity, and the radiator with good heat conductivity is obtained after a series of quality tests. At present, part of radiators need to be subjected to surface insulation treatment, and a specific insulation treatment scheme is that a ceramic wafer is bonded on the surface of the radiator through heat-conducting silicone grease; and the heat conduction silicone grease has poor heat conduction coefficient, can not conduct heat well, and influences the heat radiation performance of the radiator.
Disclosure of Invention
The invention aims to provide a ceramic wafer fixing device which is firm in structure and capable of avoiding the problem that a ceramic wafer falls off; and the heat conducting property is good, and the processing technology of the radiator with the insulating property can not influence the heat radiation property of the radiator.
The technical scheme of the invention is as follows:
a process for manufacturing a heat sink with insulating properties comprises the following steps in sequence,
firstly, installing a radiator in a local vacuum coating tool, wherein a coating opening is formed in the local vacuum coating tool;
secondly, placing the partial vacuum coating tool provided with the radiator into vacuum coating equipment, and performing partial coating on the part, corresponding to the coating opening, on the surface of the radiator to form a partial coating layer on the part, corresponding to the coating opening, on the surface of the radiator; then, taking out the local vacuum coating tool from the vacuum coating equipment, and then taking out the radiator from the local vacuum coating tool;
thirdly, welding the ceramic wafer and the copper wafer assembly, and placing the ceramic wafer, the copper wafer assembly and the radiator into vacuum brazing equipment for welding, wherein the ceramic wafer and the copper wafer assembly comprise a first soldering lug, a ceramic wafer, a second soldering lug and a copper sheet which are sequentially distributed, and the first soldering lug of the ceramic wafer and the first soldering lug of the copper wafer assembly are attached to the local coating layer;
and fourthly, taking out the radiator which is welded with the ceramic plate and the copper plate component from the vacuum brazing equipment.
In the processing technology of the radiator with insulating property, the ceramic wafer is connected with the local coating layer on the surface of the radiator through the first welding sheet in a vacuum brazing mode, so that the fixing is firm, the structure is firm, and the problem that the ceramic wafer falls off can be avoided; and the heat-conducting property is good, the heat-radiating performance of the radiator can not be influenced, and the heat-conducting property of the radiator is ensured and the heat-conducting property is also ensured. Meanwhile, a local vacuum coating tool is adopted for coating, only the part corresponding to the coating opening in the surface of the radiator is coated in the vacuum coating process, and the rest parts in the surface of the radiator are not in time of coating, so that the coating material is saved, and the coating cost is reduced.
Preferably, the local vacuum coating tool comprises a main body, a cover plate and a rubber base plate, wherein a radiator accommodating groove with an upward opening is formed in the main body, a coating opening is formed in the bottom surface of the radiator installing groove and communicated with the bottom surface of the main body, the rubber base plate is annular, the rubber base plate is arranged on the bottom surface of the radiator accommodating groove, the coating opening is located on the inner side of the annular rubber base plate, the cover plate is used for covering a notch of the radiator accommodating groove, and the cover plate is connected with the main body through a bolt; in the first step, the specific operation of installing the radiator in the local vacuum coating tool is as follows, firstly, a rubber base plate is placed on the bottom surface of a radiator accommodating groove, and a coating opening is positioned on the inner side of the annular rubber base plate; then, the radiator is placed in the radiator accommodating groove, one side surface of the radiator to be coated faces the coating opening, and then the cover plate is connected with the main body through the bolt to tightly press the radiator on the rubber base plate.
In the process of placing the local vacuum coating tool provided with the radiator into a vacuum chamber of vacuum coating equipment for coating, because the coating opening is positioned at the inner side of the annular rubber base plate, the rubber base plate forms sealing connection between the bottom surface of the radiator accommodating groove at the edge of the coating opening and the radiator, thus, only the part corresponding to the coating opening in the surface of the radiator is coated with the film in the vacuum coating process, and the rest parts in the surface of the radiator are not in time of coating, thereby saving coating materials and reducing coating cost. On the other hand, although the coating layers are formed on the outer surfaces of the main body and the cover plate in the vacuum coating process, on one hand, the coating layers on the outer surfaces of the main body and the cover plate can be scraped and recycled, so that the coating cost is reduced, and the surface of the radiator cannot be scraped to recycle the coating in a manner of scraping the coating layers in order to ensure that the surface of the radiator is not scratched, so that the coating on the surface of the radiator is difficult to recycle; on the other hand, the surface of the radiator is generally provided with a plurality of fins and the like, so that the coating area can be greatly increased, and the whole coating can greatly cause the waste of coating materials; the outer surfaces of the main body and the cover plate can be formed into planes and/or cambered surfaces, so that the scraping recycling of the coating layer is facilitated, and the reduction of the coating area is also facilitated.
Preferably, the radiator comprises a rubber base plate anti-leakage mechanism, an annular limiting groove is arranged on the bottom surface of the radiator accommodating groove, the film coating port is positioned at the inner side of the annular limiting groove, the rubber base plate is arranged in the annular limiting groove and comprises an annular hard base plate, an annular upper rubber gasket arranged on the upper surface of the hard base plate and an annular lower rubber gasket arranged on the lower surface of the hard base plate,
the rubber backing plate leak-proof mechanism comprises a reset spring, a horizontal mounting hole arranged on the side wall of an annular limiting groove, a vertical accommodating groove arranged on the inner side wall of the radiator accommodating groove, a radiator stop lever positioned in the vertical accommodating groove, a horizontal guide sleeve arranged in the horizontal mounting hole, a sliding rod arranged in the horizontal guide sleeve in a sliding manner, a strip-shaped limiting hole arranged at the upper part of the horizontal guide sleeve and a limiting block arranged on the sliding rod and matched with the strip-shaped limiting hole, wherein the vertical accommodating groove is positioned above the horizontal mounting hole, the lower end of the vertical accommodating groove is communicated with the horizontal mounting hole, the radiator stop lever is connected with the sliding rod through a connecting piece, the connecting piece penetrates through the strip-shaped limiting hole, the projections of the radiator stop lever and the sliding rod on the horizontal plane are distributed in a staggered manner, a radiator stop lever passing hole is arranged at the edge of the hard base plate, and a guide inclined plane matched with the sliding rod is arranged at the lower part of the outer side surface of the hard base plate,
the limiting block abuts against one end of the strip-shaped limiting hole under the action of the reset spring, at the moment, the outer end of the sliding rod extends into the annular limiting groove, and one end of the radiator stop lever extends into the radiator accommodating groove and is used for preventing the radiator from entering the radiator accommodating groove;
when the rubber gasket laminating was on the bottom surface of annular spacing groove under the annular of rubber backing plate, the slide bar was located the top on direction inclined plane, and the outer end of slide bar supports on the lateral surface upper portion of stereoplasm base plate, and the radiator pin holds completely in vertical holding tank.
In actual operation, sometimes some operators are present, and the rubber base plate is not installed due to unfamiliar operation, non-standard operation or carelessness, and once the rubber base plate is installed in a neglected mode, evaporated metal or nonmetal materials enter a gap between the bottom surface of the radiator accommodating groove and the radiator through a coating opening in the vacuum coating process, so that the bottom wall of the radiator accommodating groove and the position, which does not need to be coated, of the radiator are coated, and waste of coating materials is caused. In order to solve the problem, the scheme is provided with the specific rubber base plate and the rubber base plate anti-leakage mechanism, and particularly, when the rubber base plate is placed in, because the edge of the hard base plate is provided with the radiator stop lever through hole, when the rubber base plate passes through the radiator stop lever, the radiator stop lever can pass through the radiator stop lever through hole, the radiator stop lever can not stop the rubber base plate, so that the rubber base plate can be placed in the annular limiting groove from the lower part; in the process that the rubber cushion plate is placed into the annular limiting groove, because the projections of the radiator stop lever and the sliding rod on the horizontal plane are distributed in a staggered manner, and the lower part of the outer side surface of the hard base plate is provided with a guide inclined plane matched with the sliding rod, the guide inclined plane is abutted against the outer end of the sliding rod, the acting force of a reset spring is overcome, the sliding rod is pushed inwards, and the radiator stop lever is driven to move towards the vertical accommodating groove through the connecting piece; when the annular lower rubber gasket of the rubber base plate is attached to the bottom surface of the annular limiting groove, the rubber base plate is installed, the sliding rod is located above the guide inclined plane, the outer end of the sliding rod abuts against the upper portion of the outer side surface of the hard base plate, and the radiator stop rod is completely accommodated in the vertical accommodating groove; therefore, in the process of putting the radiator into the radiator accommodating groove, the radiator cannot be blocked by the radiator stop lever, and the radiator can be smoothly put into the radiator accommodating groove;
if the rubber cushion plate is not installed in the radiator accommodating groove due to unfamiliar operation, irregular operation or carelessness in the actual operation process, the radiator is directly placed in the radiator accommodating groove, at the moment, one end of the radiator stop lever extends into the radiator accommodating groove to block the radiator from entering the radiator accommodating groove, so that an operator is reminded of the fact that the rubber cushion plate is not installed in the radiator accommodating groove according to the irregular operation; therefore, an operator can install the radiator only by installing the rubber base plate in place according to standard operation, and the problem of waste of coating materials due to the fact that the operator is unfamiliar with or unnormalized or careless in operation and neglects to install the rubber base plate neglectly and the metal or nonmetal materials are evaporated in the vacuum coating process due to the fact that the operator can install the rubber base plate neglectly without influencing normal installation operation is solved.
Preferably, the coating openings are multiple and are distributed in parallel.
Preferably, the ceramic plates and the copper plate components correspond to the local coating layers one by one.
Preferably, the first soldering lug and the second soldering lug are both silver copper soldering lugs.
Preferably, the copper sheet is a copper sheet.
Preferably, the ceramic plate has a thermal conductivity greater than 170W/m.k. Therefore, the heat conduction performance of the ceramic plate is ensured, and the heat radiation performance of the radiator is not influenced.
Preferably, the first bonding pad has a thermal conductivity of more than 400W/m.k, and the second bonding pad has a thermal conductivity of more than 400W/m.k. Therefore, the heat conduction performance of the soldering lug is ensured, and the heat radiation performance of the radiator is not influenced.
Preferably, in the same ceramic chip and copper chip assembly, the surface areas of the first soldering lug, the ceramic chip, the second soldering lug and the copper chip are the same.
The beneficial effects of the invention are: the structure is firm, and the problem that the ceramic wafer falls off can be avoided; and the heat conduction performance is good, the heat radiation performance of the radiator cannot be influenced, and the heat conduction performance of the radiator is ensured and the heat radiator has insulativity.
Drawings
Fig. 1 is a schematic structural diagram of a radiator and a ceramic sheet and copper sheet assembly before welding in the manufacturing process of the radiator with insulating property according to the present invention.
Fig. 2 is a schematic structural diagram of the partial vacuum coating tool of the present invention.
Fig. 3 is a schematic cross-sectional view of the main body of the partial vacuum coating tool of the present invention.
Fig. 4 is a partial structure diagram of the direction a in fig. 3.
Fig. 5 is a partial enlarged view of fig. 3 at B.
Fig. 6 is a schematic partial cross-sectional view of the rubber pad of the partial vacuum coating tool of the present invention after being installed in the main body.
Fig. 7 is a partial enlarged view at C in fig. 6.
In the figure:
the radiator 1, the local coating film layer 1.1;
the ceramic chip and copper chip component 2, the first soldering lug 2.1, the ceramic chip 2.2, the second soldering lug 2.3 and the copper chip 2.4;
the radiator comprises a main body 3, a radiator accommodating groove 3.1, a radiator mounting lug avoiding groove 3.2, a radiator water nozzle avoiding groove 3.3 and an annular limiting groove 3.4;
a cover plate 4;
the rubber gasket comprises a rubber gasket plate 5, a hard base plate 5.1, an annular upper rubber gasket 5.2 and an annular lower rubber gasket 5.3;
a film coating port 6;
rubber tie plate leak protection dress mechanism 7, horizontal mounting hole 7.1, vertical holding tank 7.2 horizontal guide pin bushing 7.3, slide bar 7.4, reset spring 7.5, the spacing hole of bar 7.6, radiator pin 7.7, connecting piece 7.8, stopper 7.9, ball 7.10, direction inclined plane 7.11.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and 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. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The first embodiment is as follows: as shown in fig. 1, fig. 2 and fig. 3, a process for manufacturing a heat sink with insulating property sequentially includes the following steps,
firstly, installing a radiator 1 in a local vacuum coating tool, wherein a coating opening 6 is formed in the local vacuum coating tool;
secondly, placing the local vacuum coating tool provided with the radiator into vacuum coating equipment, and performing local coating on the part, corresponding to the coating opening, on the surface of the radiator to form a local coating layer 1.1 on the part, corresponding to the coating opening, on the surface of the radiator; then, taking out the local vacuum coating tool from the vacuum coating equipment, and then taking out the radiator from the local vacuum coating tool;
thirdly, welding the ceramic plate and the copper plate component, and placing the ceramic plate, the copper plate component 2 and the radiator into vacuum brazing equipment for welding, wherein the ceramic plate and the copper plate component comprise a first soldering lug 2.1, a ceramic plate 2.2, a second soldering lug 2.3 and a copper plate 2.4 which are sequentially distributed, and the first soldering lug is attached to the local coating layer;
and fourthly, taking out the radiator which is welded with the ceramic plate and the copper plate component from the vacuum brazing equipment.
In the processing technology of the radiator with insulating property, the ceramic wafer is connected with the local coating layer on the surface of the radiator through the first welding sheet in a vacuum brazing mode, so that the fixing is firm, the structure is firm, and the problem that the ceramic wafer falls off can be avoided; and the heat conduction performance is good, the heat radiation performance of the radiator cannot be influenced, and the heat conduction performance of the radiator is ensured and the heat radiator has insulativity. Meanwhile, a local vacuum coating tool is adopted for coating, only the part corresponding to the coating opening in the surface of the radiator is coated in the vacuum coating process, and the rest parts in the surface of the radiator are not in time of coating, so that the coating material is saved, and the coating cost is reduced.
Specifically, the number of the coating openings 6 is one or more, in this embodiment, the number of the coating openings is multiple, and the multiple coating openings are distributed side by side. The ceramic plates and the copper plate assemblies correspond to the local coating layers one by one.
The first soldering lug and the second soldering lug are both silver-copper soldering lugs. The thermal conductivity of the first bonding pad is greater than 400W/m.k. The second solder tab has a thermal conductivity greater than 400W/m.k.
The copper sheet is a red copper sheet.
The ceramic sheet has a thermal conductivity greater than 170W/m.k.
In the same ceramic chip and copper chip component, the surface areas of the first soldering lug, the ceramic chip, the second soldering lug and the copper chip are the same. In this embodiment, the first soldering terminal, the ceramic chip, the second soldering terminal and the copper chip are all square.
As shown in fig. 2 and 3, the partial vacuum coating tool includes a main body 3, a cover plate 4 and a rubber pad 5. Be equipped with opening radiator holding tank 3.1 up on the upper surface of main part, the radiator holding tank sets up on the upper surface of main part. The heat sink accommodating groove is for accommodating the heat sink 8. In this embodiment, have radiator water injection well choke (business turn over water injection well choke) and installation ear on the radiator, be equipped with the radiator water injection well choke on the lateral wall of radiator holding tank and dodge groove 3.3 and radiator installation ear and dodge groove 3.2, wherein the radiator water injection well choke dodges the groove and is used for holding the radiator water injection well choke, and the groove is used for holding the installation ear is dodged to the radiator installation ear.
The cover plate is used for sealing the notch of the radiator accommodating groove and is connected with the main body through a bolt.
The coating film opening 6 is arranged on the bottom surface of the radiator mounting groove and communicated with the bottom surface of the main body. The rubber pad 5 is annular. The rubber base plate is arranged on the bottom surface of the radiator accommodating groove, and the film coating opening is positioned on the inner side of the annular rubber base plate; specifically, be equipped with annular spacing groove 3.4 on the bottom surface of radiator holding tank, coating film mouth 6 is located the inboard of annular spacing groove, and the rubber tie plate is installed at annular spacing inslot. In this embodiment, the lateral wall of annular spacing groove flushes with the lateral wall of radiator holding tank.
In the first step, the specific operation of installing the radiator in the local vacuum coating tool is as follows, firstly, the rubber base plate is placed in the annular limiting groove on the bottom surface of the radiator accommodating groove, and the coating opening is positioned at the inner side of the annular rubber base plate; then, the radiator is placed in the radiator accommodating groove, one side surface of the radiator to be coated faces the coating opening, and then the cover plate is connected with the main body through the bolt to tightly press the radiator on the rubber base plate.
In the process of placing the local vacuum coating tool provided with the radiator into a vacuum chamber of vacuum coating equipment for coating, because the coating opening is positioned at the inner side of the annular rubber base plate, the rubber base plate forms sealing connection between the bottom surface of the radiator accommodating groove at the edge of the coating opening and the radiator, thus, only the part corresponding to the coating opening in the surface of the radiator is coated with the film in the vacuum coating process, and the rest parts in the surface of the radiator are not in time of coating, thereby saving coating materials and reducing coating cost. In addition, although the coating layers are formed on the outer surfaces of the main body and the cover plate in the vacuum coating process, on one hand, the coating layers on the outer surfaces of the main body and the cover plate can be scraped and recycled, so that the coating cost is reduced, and the surface of the radiator cannot be scraped to recycle the coating in a manner of scraping the coating layers in order to ensure that the surface of the radiator is not scratched, so that the coating on the surface of the radiator is difficult to recycle; on the other hand, the surface of the radiator is generally provided with a plurality of fins and the like, so that the coating area can be greatly increased, and the whole coating can greatly cause the waste of coating materials; the outer surfaces of the main body and the cover plate can be formed into planes and/or cambered surfaces, so that the scraping recycling of the coating layer is facilitated, and the reduction of the coating area is also facilitated.
Specifically, the main part is the cuboid, and the apron is the flat board, so, the main part comprises the plane with the surface of apron, can be favorable to coating film layer to scrape recovery utilization, also is favorable to reducing the coating area.
Further, as shown in fig. 2, 3, 4, 5, 6 and 7, the process for manufacturing the heat sink with insulating property further includes a rubber pad leak-proof mechanism 7. The rubber base plate 5 comprises an annular hard base plate 5.1, an annular upper rubber gasket 5.2 arranged on the upper surface of the hard base plate and an annular lower rubber gasket 5.3 arranged on the lower surface of the hard base plate. Rubber backing plate leak protection dress mechanism includes reset spring 7.5, the horizontal installation hole 7.1 of setting on the lateral wall of annular spacing groove, vertical holding tank 7.2 of setting on the inside wall of radiator holding tank, be located the radiator pin 7.7 of vertical holding tank, the horizontal guide pin bushing 7.3 of setting in the horizontal installation hole, slide and set up slide bar 7.4 in the horizontal guide pin bushing, set up at the spacing hole of bar 7.6 on horizontal guide pin bushing upper portion and set up on the slide bar and with the spacing hole complex stopper 7.9 of bar. The limiting block extends into the strip-shaped limiting hole. The length direction of the strip-shaped limiting hole is parallel to the axis of the horizontal guide sleeve, and the strip-shaped limiting hole is communicated with the inner side surface and the outer side surface of the horizontal guide sleeve. Vertical holding tank extends from top to bottom along the inside wall of radiator holding tank. Vertical holding tank is located the top of horizontal installation hole. The lower extreme and the horizontal installation hole intercommunication of vertical holding tank. The radiator stop lever is connected with the sliding rod through a connecting piece 7.8, and the connecting piece penetrates through the strip-shaped limiting hole. The radiator stop lever is parallel to the sliding rod. The lower part of the outer side surface of the hard base plate is provided with a guide inclined surface 7.11 matched with the sliding rod, and in the embodiment, the lower part of the guide inclined surface inclines towards the inner side of the rubber backing plate.
As shown in fig. 3 and 4, the radiator bar 7.7 and the sliding bar 7.4 are distributed in a staggered manner in the horizontal plane. The edge of the hard base plate is provided with a radiator stop lever through opening corresponding to the radiator stop lever, so that the rubber cushion plate can smoothly pass through the radiator stop lever in the process of placing the rubber cushion plate in the radiator accommodating groove, and the rubber cushion plate is prevented from being blocked by the radiator stop lever.
As shown in FIG. 5, the limiting block supports against one end of the bar-shaped limiting hole under the action of the reset spring, at the moment, the outer end of the sliding rod extends into the annular limiting groove, and one end of the radiator stop lever extends into the radiator accommodating groove and is used for stopping the radiator from entering the radiator accommodating groove.
As shown in fig. 6 and 7, when the annular lower rubber gasket of the rubber base plate is attached to the bottom surface of the annular limiting groove, the sliding rod is located above the guide inclined plane, the outer end of the sliding rod abuts against the upper portion of the outer side surface of the hard base plate, and the radiator stop lever is completely accommodated in the vertical accommodating groove.
Transfer the in-process to annular spacing inslot at the rubber backing plate, the direction inclined plane will support on the outer end of slide bar to overcome reset spring's effort, with the slide bar toward interior lapse, thereby move toward vertical holding tank through the connecting piece drive radiator pin.
In actual operation, sometimes some operators are present, and the rubber base plate is not installed due to unfamiliar operation, non-standard operation or carelessness, and once the rubber base plate is installed in a neglected mode, evaporated metal or nonmetal materials enter a gap between the bottom surface of the radiator accommodating groove and the radiator through a coating opening in the vacuum coating process, so that the bottom wall of the radiator accommodating groove and the position, which does not need to be coated, of the radiator are coated, and waste of coating materials is caused. In order to solve the problem, the scheme is provided with a specific rubber base plate and a rubber base plate anti-leak mechanism, and particularly,
when the rubber base plate is placed, the edge of the hard base plate is provided with the radiator stop lever through opening, and when the rubber base plate passes through the radiator stop lever, the radiator stop lever can pass through the radiator stop lever through opening, so that the radiator stop lever cannot block the rubber base plate, and the rubber base plate can be placed in the annular limiting groove; in the process that the rubber cushion plate is placed into the annular limiting groove, because the projections of the radiator stop lever and the sliding rod on the horizontal plane are distributed in a staggered manner, and the lower part of the outer side surface of the hard base plate is provided with a guide inclined plane matched with the sliding rod, the guide inclined plane is abutted against the outer end of the sliding rod, the acting force of a reset spring is overcome, the sliding rod is pushed inwards, and the radiator stop lever is driven to move towards the vertical accommodating groove through the connecting piece; when the annular lower rubber gasket of the rubber base plate is attached to the bottom surface of the annular limiting groove, the rubber base plate is installed, the sliding rod is located above the guide inclined plane, the outer end of the sliding rod abuts against the upper portion of the outer side surface of the hard base plate, and the radiator stop rod is completely accommodated in the vertical accommodating groove; therefore, in the process of placing the radiator into the radiator accommodating groove, the radiator cannot be blocked by the radiator stop lever, and the radiator can be smoothly placed into the radiator accommodating groove;
if the rubber cushion plate is not installed in the radiator accommodating groove due to unfamiliar operation, irregular operation or carelessness in the actual operation process, the radiator is directly placed in the radiator accommodating groove, at the moment, one end of the radiator stop lever extends into the radiator accommodating groove to block the radiator from entering the radiator accommodating groove, so that an operator is reminded of the fact that the rubber cushion plate is not installed in the radiator accommodating groove according to the irregular operation; therefore, an operator can install the radiator only by installing the rubber base plate in place according to standard operation, and the problem of waste of coating materials due to the fact that the operator is unfamiliar with or unnormalized or careless in operation and neglects to install the rubber base plate neglectly and the metal or nonmetal materials are evaporated in the vacuum coating process due to the fact that the operator can install the rubber base plate neglectly without influencing normal installation operation is solved.
The outer end of the sliding rod refers to one end of the sliding rod, which faces to the annular limiting groove. The inner end of the sliding rod refers to one end of the sliding rod facing the bottom surface of the horizontal mounting hole. The outer end of the horizontal guide sleeve is the end, facing the annular limiting groove, of the horizontal guide sleeve, and the inner end of the horizontal guide sleeve is the end, facing the bottom face of the horizontal mounting hole, of the horizontal guide sleeve. The outer end of the horizontal guide sleeve is open, and the inner end of the horizontal guide sleeve is closed. The reset spring is positioned between the sliding rod and the inner end of the horizontal guide sleeve.
As shown in fig. 5, the outer end face of the slide rod is provided with balls 7.10. So, transfer the in-process to annular spacing inslot at rubber backing plate, the direction inclined plane will support on the ball of slide bar outer end, is favorable to reducing the frictional force between direction inclined plane and the slide bar.
The upper surface of stereoplasm base plate is equipped with annular mounting groove on, and rubber gasket setting is gone up to the annular is in annular mounting groove. In this embodiment, the annular upper rubber gasket is bonded in the annular upper mounting groove. The lower surface of stereoplasm base plate is equipped with annular mounting groove down, and rubber gasket setting is in annular mounting groove down. In this embodiment, the annular lower rubber gasket is bonded in the annular lower mounting groove.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (9)
1. A process for manufacturing a radiator with insulating property, which is characterized by sequentially comprising the following steps,
firstly, installing a radiator in a local vacuum coating tool, wherein a coating opening is formed in the local vacuum coating tool;
the local vacuum coating tool comprises a main body, a cover plate and a rubber base plate, wherein a radiator accommodating groove with an upward opening is formed in the main body, a coating opening is formed in the bottom surface of the radiator installing groove and communicated with the bottom surface of the main body, the rubber base plate is annular, the rubber base plate is arranged on the bottom surface of the radiator accommodating groove, the coating opening is located on the inner side of the annular rubber base plate, the cover plate is used for covering a notch of the radiator accommodating groove, and the cover plate is connected with the main body through a bolt;
in the first step, the specific operation of installing the radiator in the local vacuum coating tool is as follows, firstly, a rubber base plate is placed on the bottom surface of a radiator accommodating groove, and a coating opening is positioned at the inner side of an annular rubber base plate; then, the radiator is placed in the radiator accommodating groove, one side surface of the radiator to be coated faces the coating opening, and then the cover plate is connected with the main body through the bolt to tightly press the radiator on the rubber base plate;
secondly, placing the local vacuum coating tool provided with the radiator into vacuum coating equipment, and performing local coating on the part, corresponding to the coating opening, on the surface of the radiator to form a local coating layer on the part, corresponding to the coating opening, on the surface of the radiator; then, taking out the local vacuum coating tool from the vacuum coating equipment, and then taking out the radiator from the local vacuum coating tool;
thirdly, welding the ceramic wafer and the copper wafer assembly, and placing the ceramic wafer, the copper wafer assembly and the radiator into vacuum brazing equipment for welding, wherein the ceramic wafer and the copper wafer assembly comprise a first soldering lug, a ceramic wafer, a second soldering lug and a copper sheet which are sequentially distributed, and the first soldering lug of the ceramic wafer and the first soldering lug of the copper wafer assembly are attached to the local coating layer;
and fourthly, taking out the radiator which is welded with the ceramic plate and the copper plate component from the vacuum brazing equipment.
2. The process for manufacturing a heat sink having insulating properties according to claim 1, further comprising a rubber pad leak-proof mechanism, wherein an annular limiting groove is formed in a bottom surface of the heat sink accommodating groove, the film coating port is located inside the annular limiting groove, the rubber pad is mounted in the annular limiting groove, the rubber pad comprises an annular hard base plate, an annular upper rubber pad disposed on an upper surface of the hard base plate, and an annular lower rubber pad disposed on a lower surface of the hard base plate,
the rubber backing plate leak-proof mechanism comprises a reset spring, a horizontal mounting hole arranged on the side wall of an annular limiting groove, a vertical accommodating groove arranged on the inner side wall of the radiator accommodating groove, a radiator stop lever positioned in the vertical accommodating groove, a horizontal guide sleeve arranged in the horizontal mounting hole, a sliding rod arranged in the horizontal guide sleeve in a sliding manner, a strip-shaped limiting hole arranged at the upper part of the horizontal guide sleeve and a limiting block arranged on the sliding rod and matched with the strip-shaped limiting hole, wherein the vertical accommodating groove is positioned above the horizontal mounting hole, the lower end of the vertical accommodating groove is communicated with the horizontal mounting hole, the radiator stop lever is connected with the sliding rod through a connecting piece, the connecting piece penetrates through the strip-shaped limiting hole, the projections of the radiator stop lever and the sliding rod on the horizontal plane are distributed in a staggered manner, a radiator stop lever passing hole is arranged at the edge of the hard base plate, and a guide inclined plane matched with the sliding rod is arranged at the lower part of the outer side surface of the hard base plate,
the limiting block abuts against one end of the strip-shaped limiting hole under the action of the reset spring, at the moment, the outer end of the sliding rod extends into the annular limiting groove, and one end of the radiator stop lever extends into the radiator accommodating groove and is used for preventing the radiator from entering the radiator accommodating groove;
when the rubber gasket laminating was on the bottom surface of annular spacing groove under the annular of rubber backing plate, the slide bar was located the top on direction inclined plane, and the outer end of slide bar supports on the lateral surface upper portion of stereoplasm base plate, and the radiator pin holds completely in vertical holding tank.
3. The process for manufacturing a heat sink with insulating properties as claimed in claim 1, wherein the plurality of coating openings are arranged side by side.
4. The process of claim 1, wherein the ceramic sheets and the copper sheet assemblies are in one-to-one correspondence with the partial coating layers.
5. The process for manufacturing a heat sink with insulating properties as claimed in claim 1, wherein the first and second bonding pads are silver copper bonding pads.
6. The process for manufacturing a heat sink with insulating properties as claimed in claim 1, wherein the copper sheet is a red copper sheet.
7. The process for manufacturing a heat sink with insulating properties as claimed in claim 1, wherein the ceramic sheet has a thermal conductivity of more than 170W/m-k.
8. The process of claim 1, wherein the first bonding pad has a thermal conductivity greater than 400W/m-k, and the second bonding pad has a thermal conductivity greater than 400W/m-k.
9. The process of claim 1, wherein the first bonding pad, the ceramic sheet, the second bonding pad and the copper sheet have the same surface area in the same ceramic sheet and copper sheet assembly.
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| CN202111005271.2A CN113843583B (en) | 2021-08-30 | 2021-08-30 | Processing technology of radiator with insulating property |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111005271.2A CN113843583B (en) | 2021-08-30 | 2021-08-30 | Processing technology of radiator with insulating property |
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| CN113843583B true CN113843583B (en) | 2022-08-16 |
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| CN114990479B (en) * | 2022-08-05 | 2022-10-21 | 江苏佳成冷却系统有限公司 | Local vacuum coating device for radiator |
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| TW200833234A (en) * | 2008-03-26 | 2008-08-01 | Asia Vital Components Co Ltd | Manufacturing method of heat-dissipating module |
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| CN110699671A (en) * | 2019-10-21 | 2020-01-17 | 江苏菲沃泰纳米科技有限公司 | Coating clamp and application thereof |
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| TW200833234A (en) * | 2008-03-26 | 2008-08-01 | Asia Vital Components Co Ltd | Manufacturing method of heat-dissipating module |
| CN101585134A (en) * | 2008-05-25 | 2009-11-25 | 奇鋐科技股份有限公司 | Manufacturing method of radiating module |
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