CN208368470U - A kind of silica gel thermally conductive sheet gum integrated production line - Google Patents
A kind of silica gel thermally conductive sheet gum integrated production line Download PDFInfo
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- CN208368470U CN208368470U CN201821128013.7U CN201821128013U CN208368470U CN 208368470 U CN208368470 U CN 208368470U CN 201821128013 U CN201821128013 U CN 201821128013U CN 208368470 U CN208368470 U CN 208368470U
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- silica gel
- thermally conductive
- equipment
- conductive sheet
- film
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Abstract
The utility model discloses a kind of silica gel thermally conductive sheet gum integrated production lines, including dispersing apparatus, vacuum pump, prolong pressure equipment, glass-fiber-fabric feeder equipment, film pulling equipment, roasting plant, viscose glue spray assembly, release film equipment for coating film one, traction component, cutting apparatus and collecting equipment, cooperated using above equipment, the silica gel thermally conductive sheet with strong cohesive force disposably can be effectively produced, to achieve the purpose that artificial and raising production efficiency is greatly reduced.
Description
Technical field
The utility model relates to Cooling Technology of Electronic Device field more particularly to a kind of silica gel thermally conductive sheet gum one metaplasias
Producing line.
Background technique
Silica gel thermally conductive sheet is widely used in power supply, LCD/PDP TV, LED light decorations, automotive electronics, photoelectricity, laptop
Etc. industries.Such as silica gel thermally conductive sheet is required in the electric appliances such as air-conditioning, micro-wave oven, heater to radiate；In power supply industry, example
Such as transformer, capacitor, resistance, inductance product, as long as belonging to the element of high-power rate, then all can't do without thermally conductive using silica gel
The heat of these elements is distributed to shell up by piece；Silica gel thermally conductive sheet is also widely applied in led industry, it can be used
Aluminum substrate and cooling fin in connection LED lamp product are linked in heat dissipation；It can also be applied to above PC machine simultaneously, the master of PC machine
Above plate, for example south bridge, north bridge, mainboard chip, display card chip etc. require silica gel thermally conductive sheet to radiate.
The existing heat-conducting pad with tack is no longer satisfied requirement of the client to sticky this respect, so we want
The stronger glue of one layer of viscosity or adhesive tape are covered on original heat-conducting pad.It can make to generate heat with this stronger gasket of viscosity
Part and radiating piece preferably combine, and fixes not needing other structural members, such as buckles, screw rod etc..
Mainly there is the method for the following two kinds production silica gel thermally conductive sheet at present:
The first is to use silica gel thermally conductive sheet made of mold press process, the master of the technology with rubber compound (solid-state silica gel)
Wanting feature is the preferable control of quality of finished, and quality stability is high, at low cost.But the product material of technology production is to use peroxidating
Object, which is done, to be vulcanized, and environmental-protecting performance is poor, and is also needed refining glue, mill, trimming, weighing, be molded, tear overlap, the multilayers production such as sulphur prolongs
Technique.
It is for second the product of fluid silicone rubber ejection formation, which is exactly to use fluid silicone rubber Jet forming machine direct
Production, entire material flowing is carried out in the state of sealing after loading onto machinery, manpower intervention is not needed, not by production environment
It influences, and material is to make vulcanizing agent with platinum, environmental-protecting performance is very good.The technology production efficiency is higher, but to the pre- of ingredient
It is larger that difficulty is held in first configuration, and midway cannot change properties of product.
But both above techniques are all unable to just effectively add gum process in the process of reproduction, can only be
After gasket molding, the techniques such as is individually sprayed or brushed to gasket and improved, this results in special lost labor, influences work
Make efficiency.
Utility model content
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, provide a kind of silica gel thermally conductive sheet back
Glue integrated production line, the utility model disposably can effectively produce the silica gel thermally conductive sheet with strong cohesive force, thus
Achieve the purpose that artificial and raising production efficiency is greatly reduced.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of silica gel thermally conductive sheet gum integrated production line, it is characterised in that: including dispersing apparatus, vacuum pump, prolong pressure and set
Standby, glass-fiber-fabric feeder equipment, film pulling equipment, roasting plant, viscose glue spray assembly, release film equipment for coating film one, traction component,
Cutting apparatus and collecting equipment, in which:
The dispersing apparatus is used for the thermally conductive material of evenly dispersed silica gel；
The vacuum pump is connect with dispersing apparatus, for vacuumizing in the thermally conductive material of dispersion silica gel；
The glass-fiber-fabric feeder equipment is used to glass-fiber-fabric feeding prolonging pressure equipment；
Described prolong presses equipment thermally conductive to the two sides of glass-fiber-fabric formation silica gel for squeezing the thermally conductive material of silica gel after dispersion
Piece；
The film pulling equipment is used to draw silica gel thermally conductive sheet to roasting plant by traction film；
The roasting plant is for solidifying silica gel thermally conductive sheet；
The viscose glue spray assembly is used to spray adhesive-layer to the upper surface of the silica gel thermally conductive sheet after solidification；
The release film equipment for coating film one is for covering release film to the adhesive-layer of silica gel thermally conductive sheet upper surface；
The traction component is for drawing silica gel thermally conductive sheet；
The cutting apparatus is for cutting silica gel thermally conductive sheet；
The collecting equipment is the equipment for collecting the equipment of sheet material or for silica gel thermally conductive sheet to be wound into cylinder.
The dispersing apparatus includes a mixing bowl, and blender is provided in a mixing bowl, and a mixing bowl top is provided with feed inlet, under
Portion is provided with discharge port；The pump orifice of the vacuum pump is connect with a mixing bowl.
The roasting plant includes 10 baking ovens being arranged successively, and the length of each baking oven is 2 meters.
The viscose glue spray assembly includes spraying box and the nozzle that is connected on spraying box and sprays downwards.
The production line further includes membrane stripping device, roller coating component and release film equipment for coating film two, the membrane stripping device, roller
It applies component and release film equipment for coating film two is successively set between release film equipment for coating film one and traction component；The membrane stripping device
For removing the traction film for being located at silica gel thermally conductive sheet lower surface, the roller coating component is used for the lower surface roller coating to silica gel thermally conductive sheet
Adhesive-layer, the release film equipment for coating film two is for covering release film to the adhesive-layer of silica gel thermally conductive sheet lower surface.
The roller coating component includes that Jiao Cang, band rubber roller, glue spreader and pressure roller, Jiao Cang are fixed below silica gel thermally conductive sheet, band
Rubber roller is arranged in glue storehouse, and glue spreader and pressure roller are successively set on above band rubber roller, and glue spreader and pressure roller are located at silica gel
The lower section and lower section of thermally conductive sheet.
Using utility model has the advantages that
1, production line described in the utility model includes dispersing apparatus, vacuum pump, prolongs pressure equipment, glass-fiber-fabric feeder equipment, film
Pulling equipment, roasting plant, viscose glue spray assembly, release film equipment for coating film one, traction component, cutting apparatus and collecting equipment,
Disposably two processes of production thermally-conductive sheet and gluing can be completed together using the production line, effectively producing has by force
The silica gel thermally conductive sheet of cohesive force, is not only greatly reduced cost of labor, production efficiency also greatly improved.In addition, going back production process
Middle release film is reusable, further decreases production cost.
2, production line described in the utility model further includes membrane stripping device, roller coating component and release film equipment for coating film two, is used
The production line integrated can produce the silica gel thermally conductive sheet of the equal gum in two sides, further reduced manually and improve production effect
Rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In the figure, it is marked as 1, dispersing apparatus, 2, vacuum pump, 3, prolong pressure equipment, 4, glass-fiber-fabric feeder equipment, 5, film traction sets
It is standby, 6, roasting plant, 7, viscose glue spray assembly, 8, release film equipment for coating film one, 9, traction component, 10, cutting apparatus, 11, receipts
Expect equipment, 12, membrane stripping device, 13, roller coating component, 14, release film equipment for coating film two, 15, Jiao Cang, 16, band rubber roller, 17, gluing
Roller, 18, pressure roller.
Specific embodiment
The utility model discloses a kind of silica gel thermally conductive sheet gum integrated production line, including dispersing apparatus 1, vacuum pump 2, prolongs
Press equipment 3, glass-fiber-fabric feeder equipment 4, film pulling equipment 5, roasting plant 6, viscose glue spray assembly 7, release film equipment for coating film one
8, traction component 9, cutting apparatus 10 and collecting equipment 11, in which:
The dispersing apparatus 1 is used for the thermally conductive material of evenly dispersed silica gel；
The vacuum pump 2 is connect with dispersing apparatus 1, for vacuumizing in the thermally conductive material of dispersion silica gel；
The glass-fiber-fabric feeder equipment 4 is used to glass-fiber-fabric feeding prolonging pressure equipment 3；
Described prolong presses equipment 3 thermally conductive to the two sides of glass-fiber-fabric formation silica gel for squeezing the thermally conductive material of silica gel after dispersion
Piece；
The film pulling equipment 5 is used to draw silica gel thermally conductive sheet to roasting plant 6 by drawing film, and when traction draws film
Positioned at the lower surface of silica gel thermally conductive sheet, drawing film can be used release film；
The roasting plant 6 is for solidifying silica gel thermally conductive sheet；
The viscose glue spray assembly 7 is used to spray adhesive-layer to the upper surface of the silica gel thermally conductive sheet after solidification；
The release film equipment for coating film 1 is for covering release film to the adhesive-layer of silica gel thermally conductive sheet upper surface；
The traction component 9 is for drawing silica gel thermally conductive sheet；
The cutting apparatus 10 is for cutting silica gel thermally conductive sheet；
The collecting equipment 11 is the equipment for collecting the equipment of sheet material or for silica gel thermally conductive sheet to be wound into cylinder.
In the utility model, the dispersing apparatus 1 includes a mixing bowl, is provided with blender, a mixing bowl top in a mixing bowl
It is provided with feed inlet, lower part is provided with discharge port；The pump orifice of the vacuum pump 2 is connect with a mixing bowl.
In the utility model, the roasting plant 6 includes 10 baking ovens being arranged successively, and the length of each baking oven is 2 meters.
In the utility model, the viscose glue spray assembly 7 includes spraying box and is connected on spraying box and sprays downwards
Nozzle.
In the utility model, the production line further includes membrane stripping device 12, roller coating component 13 and release film equipment for coating film
2 14, the membrane stripping device 12, roller coating component 13 and release film equipment for coating film 2 14 are successively set on release film equipment for coating film 1
Between traction component 9；The membrane stripping device 12 is used to remove the traction film positioned at silica gel thermally conductive sheet lower surface, the roller coating group
Part 13 is used for the lower surface roller coating adhesive-layer to silica gel thermally conductive sheet, and the release film equipment for coating film 2 14 is used for silica gel thermally conductive sheet
The adhesive-layer of lower surface covers release film.By membrane stripping device 12, the cooperation of roller coating component 13 and release film equipment for coating film 2 14,
Silica gel thermally conductive sheet two sides can be made to have adhesive-layer silica gel thermally conductive sheet lower surface also roller coating adhesive-layer.
Further, the roller coating component 13 includes that glue storehouse 15, band rubber roller 16, glue spreader 17 and pressure roller 18, glue storehouse 15 are solid
It is scheduled below silica gel thermally conductive sheet, band rubber roller 16 is arranged in glue storehouse 15, and glue spreader 17 and pressure roller 18 are successively set on band rubber roller 16
Top, and glue spreader 17 and pressure roller 18 are located at the lower section and lower section of silica gel thermally conductive sheet.Three roller both ends are joined by bearing and gear
It connects, three roll surfaces are under the action of power with identical linear velocity linkage rotation.When work, with rubber roller 16 by the glue in glue storehouse 15
It takes up and is given to glue spreader 17, the glue on glue spreader 17 is uniformly coated on silica gel thermally conductive sheet under the pressure of pressure roller 18.
The working principle of the utility model the following steps are included:
(1) dispersion vacuumizes
By the thermally conductive material of the silica gel containing liquid silica gel, coupling agent, conductive powder, fire retardant, inhibitor and platinum catalyst
It is added to dispersing apparatus 1 to be dispersed, and is vacuumized in dispersion process using vacuum pump 2；Each component in the thermally conductive material of silica gel
Mass fraction be respectively as follows: 15-30 parts of liquid silica gel, 0.3-0.6 part of coupling agent, 100-140 parts of conductive powder, fire retardant
15-25 parts, 0.04-0.06 part of inhibitor, 0.08-1.1 parts of platinum catalyst；Conductive powder is aluminium oxide, and fire retardant is hydrogen-oxygen
Change aluminium.
Wherein, in order to which more preferably all raw material is uniformly dispersed faster, dispersion was vacuumized including the following three stage:
1st stage: being dispersed in charging, and rate of dispersion is 30-60r/min.
2nd stage: dispersing 25-35min after the completion of charging, rate of dispersion is 60-80r/min.
3rd stage: vacuumizing 15-25min of dispersion, and rate of dispersion is 40-60r/min, and evacuated pressure is-
0.1Mpa；The purpose vacuumized is that the air in raw material is extracted, and allows finely dispersed semi-solid products in calendering
Mobility is more preferable, and when hot setting is not in bubble, will not influence product appearance and quality.
(2) prolong cured
Using prolonging, the two sides formation silica gel that the thermally conductive material of silica gel after dispersion is expressed to glass-fiber-fabric by pressure equipment 3 respectively is thermally conductive
Then piece is drawn silica gel thermally conductive sheet to oven for curing using traction film by film pulling equipment 5, traction film is located at when traction
The lower section of silica gel thermally conductive sheet.Glass-fiber-fabric with a thickness of 0.01-0.03 millimeter, mesh number is 40-100 mesh, the length of glass-fiber-fabric and
Width can be adjusted according to actual needs.The thickness of silica gel thermally conductive sheet is controlled by scraper plate, and scraper plate is preferably mounted at charging and puts down
On platform, thickness is controlled with screw rod.
Wherein, the quantity of baking oven is 10, and from the baking temperature of the 1st baking oven to the 10th baking oven be respectively 50 DEG C,
50℃,60℃,70℃,80℃,90℃,100℃,110℃,120℃,120℃；When solidification, silica gel thermally conductive sheet is with 1m/min's
Hauling speed sequentially enters baking oven and is solidified.
(3) gum overlay film
Using the thermally conductive glue of upper surface even application of the silica gel thermally conductive sheet of viscose glue spray assembly 7 after hardening, formed viscous
Then glue-line covers the finished product that release film obtains single-sided back-adhesive on adhesive-layer.Thermally conductive glue is 80-160 by mass fraction
Part vinyl silicone oil, 5-10 parts of containing hydrogen silicone oil, 10-20 parts of end silicon oil of low hydrogen content, 35-45 parts of conductive powder,
0.4-0.8 part of 0.8-1.2 parts of coupling agent of inhibitor and 0.2-0.3 part of platinum catalyst are uniformly mixed, thermally conductive
Powder is aluminium oxide.If desired two-sided gum is then also needed using membrane stripping device 12, roller coating component 13 and release film equipment for coating film two
Lower surface roller coating thermally conductive glue of 14 cooperations in silica gel thermally conductive sheet.Wherein, end silicon oil of low hydrogen content refers to the low hydrogen sealing end of hydrogen content
Silicone oil, end containing hydrogen silicone oil are, by silicon hydrogenation, to introduce the poly- silicon of si-h bond in the last end of the chain using the si-H key on its end group
Oxygen alkane.
Claims (6)
1. a kind of silica gel thermally conductive sheet gum integrated production line, it is characterised in that: including dispersing apparatus (1), vacuum pump (2), prolong
Press equipment (3), glass-fiber-fabric feeder equipment (4), film pulling equipment (5), roasting plant (6), viscose glue spray assembly (7), release film
Equipment for coating film one (8), traction component (9), cutting apparatus (10) and collecting equipment (11), in which:
The dispersing apparatus (1) is used for the thermally conductive material of evenly dispersed silica gel；
The vacuum pump (2) connect with dispersing apparatus (1), for vacuumizing in the thermally conductive material of dispersion silica gel；
The glass-fiber-fabric feeder equipment (4) is used to glass-fiber-fabric feeding prolonging pressure equipment (3)；
Described prolong presses equipment (3) thermally conductive to the two sides of glass-fiber-fabric formation silica gel for squeezing the thermally conductive material of silica gel after dispersion
Piece；
The film pulling equipment (5) is used to draw silica gel thermally conductive sheet to roasting plant (6) by traction film；
The roasting plant (6) is for solidifying silica gel thermally conductive sheet；
The viscose glue spray assembly (7) is used to spray adhesive-layer to the upper surface of the silica gel thermally conductive sheet after solidification；
The release film equipment for coating film one (8) is for covering release film to the adhesive-layer of silica gel thermally conductive sheet upper surface；
The traction component (9) is for drawing silica gel thermally conductive sheet；
The cutting apparatus (10) is for cutting silica gel thermally conductive sheet；
The collecting equipment (11) is the equipment for collecting the equipment of sheet material or for silica gel thermally conductive sheet to be wound into cylinder.
2. a kind of silica gel thermally conductive sheet gum integrated production line as described in claim 1, it is characterised in that: the dispersing apparatus
(1) include a mixing bowl, blender is provided in a mixing bowl, a mixing bowl top is provided with feed inlet, and lower part is provided with discharge port；Institute
The pump orifice for stating vacuum pump (2) is connect with a mixing bowl.
3. a kind of silica gel thermally conductive sheet gum integrated production line as described in claim 1, it is characterised in that: the roasting plant
It (6) include 10 baking ovens being arranged successively, the length of each baking oven is 2 meters.
4. a kind of silica gel thermally conductive sheet gum integrated production line as described in claim 1, it is characterised in that: the viscose glue spraying
Component (7) includes spraying box and the nozzle that is connected on spraying box and sprays downwards.
5. a kind of silica gel thermally conductive sheet gum integrated production line as described in any one of claim 1-4, it is characterised in that:
The production line further includes that membrane stripping device (12), roller coating component (13) and release film equipment for coating film two (14), the stripping are set
Standby (12), roller coating component (13) and release film equipment for coating film two (14) are successively set on release film equipment for coating film one (8) and traction
Between component (9)；The membrane stripping device (12) is used to remove the traction film positioned at silica gel thermally conductive sheet lower surface, the roller coating component
(13) for the lower surface roller coating adhesive-layer to silica gel thermally conductive sheet, the release film equipment for coating film two (14) is used for thermally conductive to silica gel
The adhesive-layer of piece lower surface covers release film.
6. a kind of silica gel thermally conductive sheet gum integrated production line as claimed in claim 5, it is characterised in that: the roller coating component
It (13) include that Jiao Cang (15), band rubber roller (16), glue spreader (17) and pressure roller (18), Jiao Cang (15) are fixed under silica gel thermally conductive sheet
Side, in Jiao Cang (15), glue spreader (17) and pressure roller (18) are successively set on above band rubber roller (16) for band rubber roller (16) setting, and
Glue spreader (17) and pressure roller (18) are located at the lower section and lower section of silica gel thermally conductive sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128013.7U CN208368470U (en) | 2018-07-17 | 2018-07-17 | A kind of silica gel thermally conductive sheet gum integrated production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128013.7U CN208368470U (en) | 2018-07-17 | 2018-07-17 | A kind of silica gel thermally conductive sheet gum integrated production line |
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| Publication Number | Publication Date |
|---|---|
| CN208368470U true CN208368470U (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821128013.7U Active CN208368470U (en) | 2018-07-17 | 2018-07-17 | A kind of silica gel thermally conductive sheet gum integrated production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662648A (en) * | 2020-07-04 | 2020-09-15 | 深圳市鸿富诚屏蔽材料有限公司 | Manufacturing process of heat-conducting silica gel gasket and back adhesive system used by manufacturing process |
-
2018
- 2018-07-17 CN CN201821128013.7U patent/CN208368470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662648A (en) * | 2020-07-04 | 2020-09-15 | 深圳市鸿富诚屏蔽材料有限公司 | Manufacturing process of heat-conducting silica gel gasket and back adhesive system used by manufacturing process |
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