CN108437325A - More, the double-deck heat conductive insulating pad preparation method and the double-deck heat conductive insulating pad calendering device - Google Patents
More, the double-deck heat conductive insulating pad preparation method and the double-deck heat conductive insulating pad calendering device Download PDFInfo
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- CN108437325A CN108437325A CN201810259351.2A CN201810259351A CN108437325A CN 108437325 A CN108437325 A CN 108437325A CN 201810259351 A CN201810259351 A CN 201810259351A CN 108437325 A CN108437325 A CN 108437325A
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- conductive insulating
- pressure roller
- roller group
- heat conductive
- insulating layer
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- 238000003490 calendering Methods 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000002985 plastic film Substances 0.000 claims abstract description 38
- 229920006255 plastic film Polymers 0.000 claims abstract description 38
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims description 71
- 239000006071 cream Substances 0.000 claims description 38
- 238000010030 laminating Methods 0.000 claims description 23
- 238000003475 lamination Methods 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000004513 sizing Methods 0.000 claims description 8
- 238000009472 formulation Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000005056 compaction Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 146
- 238000004519 manufacturing process Methods 0.000 description 17
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/26—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length in several steps
- B29C43/265—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length in several steps for making multilayered articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of double-deck heat conductive insulating pad calendering device, the preparation method of the double-deck heat conductive insulating pad and the preparation methods of multilayered thermally-conductive felt pad；Wherein, the double-deck heat conductive insulating pad calendering device includes rack, the first calender system and the second calender system；First calender system is set to the top of rack, for exporting the first thermally conductive insulating layer for being covered with upper layer and lower layer stock mould；Second calender system, for receiving the first thermally conductive insulating layer exported by the first calender system, the second thermally conductive insulating layer of extrusion forming below the first thermally conductive insulating layer, and export the double-deck heat conductive insulating pad for being covered with upper layer and lower layer stock mould；Before the first thermally conductive insulating layer is delivered to the feed inlet of the second calender system by stock mould, the superolateral one layer of stock mould of the first thermally conductive insulating layer is removed and is folded by plastic film residue collect mechanism；Double-deck heat conductive insulating pad calendering device using the above structure effectively improves the output efficiency of the double-deck heat conductive insulating pad, and quality is secure.
Description
Technical field
The heat conductive insulating pad technical field used the present invention relates to electronic product more particularly to a kind of efficient more, bilayer
Heat conductive insulating pads preparation method and the double-deck heat conductive insulating pads calendering device.
Background technology
In recent years, with the continuous evolution of electronic product equipment function, integrated electronic chip structure dress density is substantially improved, core
Piece becomes increasingly stronger towards the miniaturization of packaging and the modular development of board design, the function of chip.With pervious core
Piece is compared, and the chip that this trend is produced is very intensive and can execute more functions in given time, so as to cause it
The increase of used electric current, therefore, the smaller and speed of service faster chip will produce more heats when running, if
These heats are discharged not in time to influence chip generation time.
Therefore, how to manage the heat in electronic product and have become main focus in product design.Electronic circuit
Reliability and the matching appropriate of the coefficient of expansion of various electronic components are closely related.Work as temperature rise, collision coefficient not
With can cause to generate stress between adjacent component.In this case, any rising of running temperature can all generate reliability negative
Face is rung.
The use of thermal insulator is current main means in the design of electronic equipment to preferably control heat.Now
The radiator generally used includes：Various filling products such as epoxy resin, thermosets, silicones and thermoplastic etc.,
In order to make chip in radiator successfully match, it is preferable to use elasticity or can deform be adapted to heat conductive insulating pad, so as to energy side
Just it installs and reduces the collision of electronic component part and influenced caused by shrinking.
Heat conductive insulating pad is extruded from by resin, and production process is that the heat conductive insulating cream that will be modulated pours into pressure roller
In, it is shaped using stock mould.With present production technology and equipment, it can only once produce and to be made of single layer heat-conducting insulation material
Heat conductive insulating pad, production efficiency is especially low when being padded absolutely using the production bilayer or multilayer heat conduction of such equipment, and quality does not have
It ensures.
Invention content
The object of the present invention is to provide a kind of double-deck heat conductive insulatings to pad calendering device, with directly output contains from production line
The double-deck heat conductive insulating pad of the double-deck thermally conductive insulating layer, improves production efficiency and product quality.
It is a further object of the present invention to provide a kind of double-deck heat conductive insulatings to pad preparation method, directly to be exported from production line
The double-deck heat conductive insulating pad containing the double-deck thermally conductive insulating layer, improves production efficiency and product quality.
It is a further object of the present invention to provide a kind of multilayered thermally-conductive felt pad preparation methods, directly to be exported from production line
Heat conductive insulating pad containing the exhausted layer of multilayered thermally-conductive, improves production efficiency and product quality.
To achieve the goals above, the invention discloses a kind of double-deck heat conductive insulatings to pad calendering device, and being used for will be deployed
Heat conductive insulating cream extrusion forming on stock mould, it is described bilayer heat conductive insulating pad calendering device include：Rack, the first calender
Structure, the second calender system and plastic film residue collect mechanism；First calender system is set to the top of the rack, and upper and lower two are covered with for exporting
First thermally conductive insulating layer of layer stock mould；Second calender system, which is set in the rack, to be located under first calender system
Side, for receiving first thermally conductive insulating layer exported by first calender system, under first thermally conductive insulating layer
The second thermally conductive insulating layer of face extrusion forming, and export the double-deck heat conductive insulating pad for being covered with upper layer and lower layer stock mould；Film gatherer
Structure is set to the top for being located at second calender system in the rack, when first thermally conductive insulating layer is by the stock mould
Before being delivered to the feed inlet of second calender system, the plastic film residue collect mechanism is by superolateral one layer of first thermally conductive insulating layer
Stock mould is removed and is folded.
Compared with prior art, the double-deck heat conductive insulating pad calendering device of the present invention is provided with upper layer and lower layer calendering in rack
Device, respectively the first calendering device and the second calendering device, the first thermally conductive insulating layer are determined after the output of the first calendering device
Pattern directly guides at output to the feed inlet of the second calendering device, at this point, due to the superolateral sizing of the first thermally conductive insulating layer
Mould is connect with plastic film residue collect mechanism, and before the first thermally conductive insulating layer enters the feed inlet of the second calendering device, plastic film residue collect mechanism is led first
Stock mould on the outside of thermal insulation layer is removed and is folded automatically, exhausted in the first heat conduction then at the feed inlet of the second calendering device
Flow coat forms the heat conductive insulating cream of the second thermally conductive insulating layer below edge layer, and what is then exported from the delivery outlet of the second calendering device is
For the double-deck heat conductive insulating pad containing the first thermally conductive insulating layer and the second thermal conductive contact layer, after being formed due to the first thermally conductive insulating layer
It directly is output to the second calendering device, the first calendering device and the second calendering device are run simultaneously, effectively improve the double-deck heat conduction
The output efficiency of felt pad, and since the formation interval time of the first thermally conductive insulating layer and the second thermally conductive insulating layer is shorter,
During the use of the molding double-deck heat conductive insulating pad, the first thermally conductive insulating layer and the second thermally conductive insulating layer are not easily separate,
Quality is secure.
Preferably, first calender system includes：
First pressure roller group is used for deployed heat conductive insulating cream extrusion forming to export first heat conductive insulating
Layer；
First axis of rolling is set to the top of the first pressure roller group, for fixed to first thermally conductive insulating layer
The stock mould reel of one stock mould is provided；
Second axis of rolling is set to the lower section of the first pressure roller group, for fixed to first thermally conductive insulating layer
The stock mould reel of another sizing film is provided.
Preferably, second calender system includes：
Second pressure roller group is used in first thermally conductive insulating layer the second thermally conductive insulating layer described in extrusion forming, by
First thermally conductive insulating layer of the first pressure roller group output is directly output at the feed inlet of the second pressure roller group；
The third axis of rolling is set to below the second pressure roller group, and one is provided to the heat conductive insulating pad for fixed
The stock mould reel of stock mould.
Preferably, the plastic film residue collect mechanism includes：4th axis of rolling, the 4th axis of rolling is for being wound into described second
The stock mould on the outside of first thermally conductive insulating layer before the feed inlet of pressure roller group.
Preferably, the plastic film residue collect mechanism further includes power drill/driver, the power drill/driver is passed with the 4th axis of rolling
Dynamic connection.
Preferably, second calender system further includes having the 5th axis of rolling, the 5th axis of rolling is set to described
The top of two pressure roller groups.
Preferably, in being additionally provided with the 6th axis of rolling, the 6th axis of rolling and first axis of rolling in the rack
Parallel setting.
Preferably, in being additionally provided with the 7th axis of rolling, the 7th axis of rolling and the 5th axis of rolling in the rack
Parallel setting.
Preferably, second calender system further includes having third pressure roller group, the third pressure roller group is pressed with described second
Roller group is docked, for making further compaction treatment to the double-deck heat conductive insulating pad exported from the second pressure roller group.
Preferably, the first pressure roller group, the second pressure roller group and the third pressure roller group include a pair of phase up and down
To the upper pressure roller and lower compression roller of setting, it is respectively provided in the first pressure roller group, the second pressure roller group and the third pressure roller group
It is useful for adjusting the regulating mechanism in gap between the upper pressure roller and the lower compression roller.
Preferably, the regulating mechanism includes：
Two pairs of sliding rails are oppositely arranged on the two of the upper pressure roller and the bearing block of the lower compression roller left and right ends respectively
Side；
The left and right ends of sliding block, the upper pressure roller are slidably connected by the sliding block and the sliding rail respectively；
Support plate is set to the top of the upper pressure roller；
Rotation axis, lower end are connect across the support plate with the upper pressure roller, the rotation axis and the support plate spiral shell
Line connects.
Preferably, the regulating mechanism further includes rotational handle, the rotational handle is set to the upper end of the rotation axis.
In addition, the present invention also provides a kind of preparation method of the double-deck heat conductive insulating pad, including rack, set in the rack
It is equipped with the first pressure roller group, the second pressure roller group and plastic film residue collect mechanism, the preparation method of the bilayer heat conductive insulating pad includes the following steps：
1), dispensing；First heat conductive insulating cream and the second heat conductive insulating cream are modulated using different formulas respectively；
2) mould, is worn；The first stock mould and the second stock mould are penetrated from the feed inlet of the first pressure roller group respectively, it is described
First stock mould is wound by the plastic film residue collect mechanism after being pierced by from the first pressure roller group before the feed inlet of the second pressure roller group；
Second stock mould penetrates the feed inlet of the second pressure roller group after being pierced by the first pressure roller group, then third stock mould is worn
Enter the feed inlet of the second pressure roller group；
3), flow coat；It is on second stock mould as counterdie and pours in the feed inlet of the first pressure roller group first
Apply the first layer heat conductive insulating cream, from the first pressure roller group export extrusion forming the first thermally conductive insulating layer, described first
Thermally conductive insulating layer upper and lower surface is covered with first stock mould and second stock mould respectively；
Before the feed inlet that first thermally conductive insulating layer is transported to the second pressure roller group, start the film gatherer
The first stock mould on the outside of first thermally conductive insulating layer is removed and is collapsed by structure, described in first thermally conductive insulating layer entrance
When at the feed inlet of the second pressure roller group, poured on the third stock mould at the feed inlet of the second pressure roller group as counterdie
The second layer heat conductive insulating cream is applied, is squeezed by the second pressure roller group, the is molded below first thermally conductive insulating layer
Two thermally conductive insulating layer include first thermally conductive insulating layer and second thermally conductive insulating layer from the second pressure roller group output
The double-deck heat conductive insulating pad, at this point, the upper and lower surface of the bilayer heat conductive insulating pad is covered with second stock mould and institute respectively
State third stock mould.
Preferably, the preparation method of the bilayer heat conductive insulating pad further includes：
First axis of rolling is set to the top of the first pressure roller group, for fixed to first thermally conductive insulating layer
The stock mould reel of first stock mould is provided；
Second axis of rolling is set to the lower section of the first pressure roller group, for fixed to first thermally conductive insulating layer
The stock mould reel of the second sizing film is provided；
The third axis of rolling is set to below the second pressure roller group, and the is provided to the heat conductive insulating pad for fixed
The stock mould reel of three stock moulds.
Preferably, the plastic film residue collect mechanism includes the 4th axis of rolling, the 4th axis of rolling is for being wound into described second
First stock mould on the outside of first thermally conductive insulating layer before the feed inlet of pressure roller group.
Preferably, the plastic film residue collect mechanism further includes power drill/driver, the power drill/driver is passed with the 4th axis of rolling
Dynamic connection.
The present invention also provides a kind of preparation method of multilayered thermally-conductive felt pad, the heat conductive insulating pad includes N layers by not
With thermally conductive insulating layer made of formula allotment, N number of pressure roller group is from top to bottom disposed in rack, the pressure roller group is used for
Paste is squeezed into tablet, a plastic film residue collect mechanism, N are set between adjacent each two pressure roller group>2, the multilayered thermally-conductive is exhausted
The preparation method of edge pad includes the following steps：
1), dispensing；Using the heat conductive insulating cream needed for different formulations modulation N kinds；
2) mould, is worn；It is exhausted that two the first heat conduction of conduct are penetrated at the rack topmost feed inlet of the first laminating roll group
The stock mould of edge layer upper and lower surface overlay film；
Two stock moulds exported by the delivery outlet of the first laminating roll group, wherein one is guided to penetrate the second lamination
The feed inlet of roller group, another is folded before the feed inlet of the second laminating roll group by the plastic film residue collect mechanism；
And so on, below it is each lamination roller group delivery outlet come out two stock moulds there is one to be guided to penetrate therewith
The feed inlet of adjacent next lamination roller group, another stock mould is before the feed inlet of next lamination roller group adjacent thereto by institute
Plastic film residue collect mechanism is stated to fold；
Another stock mould is also fed through by the feed inlet of each lamination roller group of the second laminating roll group down；
3), flow coat；First the sizing as counterdie is in the feed inlet of the uppermost first laminating roll group of the rack
Flow coat first layer heat conductive insulating cream on mould exports first thermally conductive insulating layer, first heat conduction from the first pressure roller group
The upper and lower surface of insulating layer is covered with stock mould；
When the thermally conductive insulating layer, which is finalized mould, to be delivered at the feed inlet of the second pressure roller group, in the second pressure roller group
As flow coat second layer heat conductive insulating cream on the stock mould of counterdie at feed inlet, include from the output of the delivery outlet of the second laminating roll group
The upper and lower surface of the double-deck thermal insulation layer of first thermally conductive insulating layer, the bilayer thermally conductive insulating layer is covered with stock mould；
And so on, the delivery outlet output that roller group is laminated from rack bottom one includes N layers of thermally conductive insulating layer
Heat conductive insulating pad.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram that bilayer heat conductive insulating of the embodiment of the present invention pads calendering device,
Fig. 2 is the dimensional structure diagram at another visual angle that bilayer heat conductive insulating of the embodiment of the present invention pads calendering device.
Fig. 3 is the front view that bilayer heat conductive insulating of the embodiment of the present invention pads calendering device.
Fig. 4 is the assembling structure schematic diagram for the first pressure roller group that bilayer heat conductive insulating of the embodiment of the present invention pads calendering device.
Fig. 5 is that the stock mould of bilayer heat conductive insulating of embodiment of the present invention pad calendering device wears route schematic diagram.
Specific implementation mode
For technology contents, structure feature, realization principle and the objects and the effects that the present invention will be described in detail, tie below
It closes embodiment and attached drawing is coordinated to be explained in detail.
The invention discloses a kind of preparation method of multilayered thermally-conductive felt pad, heat conductive insulating pad includes N layers by different formulations
Thermally conductive insulating layer made of allotment when production, is from top to bottom disposed with N lamination roller groups in rack 1, as shown in Figure 1 in
The first pressure roller group 20, the second pressure roller group 30, third pressure roller group 34, pressure roller group is used to paste being squeezed into tablet, adjacent
One plastic film residue collect mechanism is set between each two pressure roller group, and specifically, the preparation method of multilayered thermally-conductive felt pad includes the following steps：
1), dispensing；Using the heat conductive insulating cream needed for different formulations modulation N kinds；
2) mould, is worn；Two the first heat conductive insulatings of conduct are penetrated at the feed inlet of 1 uppermost first laminating roll group of rack
The stock mould of the upper and lower surface overlay film of layer；
Two stock moulds exported by the delivery outlet of the first laminating roll group, wherein one is guided to penetrate the second laminating roll group
Feed inlet, another is folded before the feed inlet of the second laminating roll group by plastic film residue collect mechanism；
And so on, below it is each lamination roller group delivery outlet come out two stock moulds have one be guided to penetrate with
It is adjacent below one lamination roller group feed inlet, another stock mould is before the feed inlet of next lamination roller group adjacent thereto
It is folded by plastic film residue collect mechanism；
Another stock mould is also fed through by the feed inlet of each lamination roller group of the second laminating roll group down；
3), flow coat；It is on the stock mould as counterdie in the feed inlet of 1 uppermost first laminating roll group of rack first
Flow coat first layer heat conductive insulating cream exports the first thermally conductive insulating layer, the upper following table of the first thermally conductive insulating layer from the first laminating roll group
Face is covered with stock mould；
When the first thermally conductive insulating layer, which is finalized mould, to be delivered at the feed inlet of the second laminating roll group, in the second laminating roll group
Flow coat second layer heat conductive insulating cream on the stock mould as counterdie at feed inlet is exported from the delivery outlet of the second laminating roll group and is wrapped
The double-deck thermally conductive insulating layer containing the first thermally conductive insulating layer, the upper and lower surface of the bilayer thermally conductive insulating layer are covered with stock mould；
And so on, the delivery outlet output that roller group is laminated from 1 bottom one of rack includes the heat conduction of N layers of thermally conductive insulating layer
Felt pad.
When preparing multilayered thermally-conductive felt pad using the above method, multiple pressure roller groups in rack 1 cooperate together, only need
The heat conductive insulating cream configured is poured at the feed inlet of each pressure roller group, you can lamination roller group is defeated from the bottom one of rack 1
Go out include multilayered thermally-conductive insulating layer heat conductive insulating pad, production efficiency is high, high-quality.
The preparation of multilayered thermally-conductive felt pad of the present invention is elaborated by taking the preparation method of the double-deck heat conductive insulating pad as an example below
The principle of method.
When needing to prepare the double-deck heat conductive insulating pad, as depicted in figs. 1 and 2, be provided in rack 1 first pressure roller group 20,
The preparation method of second pressure roller group 30 and plastic film residue collect mechanism, the bilayer heat conductive insulating pad includes the following steps：
1), dispensing；First heat conductive insulating cream and the second heat conductive insulating cream are modulated using different formulas respectively；
2) mould, is worn；As shown in figure 5, respectively by the first stock mould P1 and the second stock mould P2 from the first pressure roller group 20 into
Material mouth penetrates, and the first stock mould P1 is after the first pressure roller group 20 is pierced by, by plastic film residue collect mechanism before the feed inlet of the second pressure roller group 30
Winding；Second stock mould P2 is pierced by the feed inlet that the second pressure roller group 30 is penetrated after the first pressure roller group 20, then by third stock mould P3
Penetrate the feed inlet of the second pressure roller group 30；
3), flow coat；First flow coat on the second stock mould P2 as counterdie is in the feed inlet of the first pressure roller group 20
One heat conductive insulating cream, from following table in the first thermally conductive insulating layer of the first pressure roller group 20 output extrusion forming, the first thermally conductive insulating layer
Face is covered with the first stock mould P1 and the second stock mould P2 respectively；
Before the feed inlet that the first thermally conductive insulating layer is transported to the second pressure roller group 30, start plastic film residue collect mechanism by the first heat conduction
The first stock mould P1 on the outside of insulating layer is removed and is collapsed, when the first thermally conductive insulating layer enters the feed inlet of the second pressure roller group 30
When, flow coat second layer heat conductive insulating cream on the third stock mould P3 as counterdie at the feed inlet of the second pressure roller group 30, warp
The extruding of the second pressure roller group 30 is crossed, the second thermally conductive insulating layer is molded below the first thermally conductive insulating layer, is exported from the second pressure roller group 30
Include the double-deck heat conductive insulating pad of the first thermally conductive insulating layer and the second thermally conductive insulating layer, at this point, the double-deck heat conductive insulating pad is upper
Lower surface is covered with the second stock mould P2 and third stock mould P3 respectively.
In addition, the invention also discloses a kind of double-deck heat conductive insulatings to pad calendering device, please refer to Fig.1 to Fig.3, for that will adjust
On stock mould, bilayer heat conductive insulating pad calendering device includes the heat conductive insulating cream extrusion forming prepared：Rack 1, first is pressed
Prolong mechanism, the second calender system and plastic film residue collect mechanism.First calender system is set to the top of rack 1, is covered with up and down for exporting
First thermally conductive insulating layer of two layers of stock mould.Second calender system is set to the lower section for being located at the first calender system in rack 1, uses
In the first thermally conductive insulating layer that reception is exported by the first calender system, the second heat conduction of extrusion forming below the first thermally conductive insulating layer
Insulating layer, and export the double-deck heat conductive insulating pad for being covered with upper layer and lower layer stock mould.Plastic film residue collect mechanism is set in rack 1 and positioned at the
The top of two calender systems, before the first thermally conductive insulating layer is delivered to the feed inlet of the second calender system by stock mould, film gatherer
The superolateral one layer of stock mould of first thermally conductive insulating layer is removed and is folded by structure.
When the double-deck heat conductive insulating of double-deck heat conductive insulating pad calendering device production using the above structure pads, the first heat conductive insulating
Layer from the first calendering device output after be finalized mould directly guiding be delivered to the second calendering device, enter two calendering devices into
Before material mouth, since the stock mould on the outside of the first thermally conductive insulating layer is connect with plastic film residue collect mechanism, enter second in the first thermally conductive insulating layer
During the feed inlet of calendering device, the stock mould on the outside of the first thermally conductive insulating layer is removed and is folded automatically by plastic film residue collect mechanism,
Then at the feed inlet of the second calendering device, flow coat forms the heat conduction of the second thermally conductive insulating layer below the first thermally conductive insulating layer
Insulating paste, what is then exported from the delivery outlet of the second calendering device is to contain the first thermally conductive insulating layer and the second thermal conductive contact layer
The double-deck heat conductive insulating pad, be directly output to the second calendering device after being formed due to the first thermally conductive insulating layer, the first calendering dress
Set with the second calendering device cooperating operation simultaneously, effectively improve the output efficiency of the double-deck heat conductive insulating pad, and lead due to first
The formation interval time of thermal insulation layer and the second thermally conductive insulating layer is shorter, in the use process of the molding double-deck heat conductive insulating pad
In, the first thermally conductive insulating layer and the second thermally conductive insulating layer are not easily separate, and quality is secure.
Specifically, in the present embodiment, the first calender system includes the first pressure roller group 20, the rolling of first axis of rolling 21 and second
Axis 22.First pressure roller group 20 is used for deployed heat conductive insulating cream extrusion forming to export the first thermally conductive insulating layer, the first rolling
Moving axis 21 is set to the top of the first pressure roller group 20, for the fixed stock mould volume for providing a stock mould to the first thermally conductive insulating layer
Cylinder, second axis of rolling 22 are set to the lower section of the first pressure roller group 20, and another sizing is provided to the first thermally conductive insulating layer for fixed
The stock mould reel of film.In addition, the second calender system includes the second pressure roller group 30 and the third axis of rolling 31.Second pressure roller group 30 is used
In the second thermally conductive insulating layer of extrusion forming in the first thermally conductive insulating layer, the first thermally conductive insulating layer exported by the first pressure roller group 20
It is directly output at the feed inlet of the second pressure roller group 30, the third axis of rolling 31 is set to 30 lower section of the second pressure roller group, for fixing
The stock mould reel of one stock mould is provided to the double-deck heat conductive insulating pad.Plastic film residue collect mechanism in the present embodiment includes the 4th axis of rolling
40, the 4th axis of rolling 40 is used for before the feed inlet that the first thermally conductive insulating layer enters the second pressure roller group 30, is removed and is wound
Stock mould on the outside of first thermally conductive insulating layer.
With above structure the double-deck heat conductive insulating pad calendering device the course of work be：First, first axis of rolling 21,
It is placed respectively on second axis of rolling 22 and the third axis of rolling 31 and first stock mould P1, the second stock mould P2 and third stock mould is provided
The free end of first stock mould P1 and the second stock mould P2 are pulled out the charging across the first pressure roller group 20 by the stock mould reel of P3
Mouthful, as shown in figure 5, be pierced by by the discharge port of the first pressure roller group 20, in the present embodiment, in the feed inlet of the first pressure roller group 20, the
One stock mould P1 is upper mold, and the second stock mould P2 is counterdie.First stock mould P1 and the second stock mould P2 are pierced by the first pressure roller group
The second pressure roller group 30 is pulled to after 20, before the feed inlet of the second pressure roller group 30, the free end of the first stock mould P1 folding and it is upward,
It is wound onto on the 4th axis of rolling 40 above, then pulls out the free end of third stock mould P3, pass through the second pressure roller group 30
Feed inlet, in the feed inlet of the second pressure roller group 30, the second stock mould P2 is upper mold, and third stock mould P3 is counterdie.It is deployed
After the first heat conductive insulating cream and the second heat conductive insulating cream of two kinds of different formulations, the first pressure roller group 20 and the second pressure roller group 30 are opened
Power switch, the first pressure roller group 20 and the second pressure roller group 30 start to rotate, at the feed inlet of the first pressure roller group 20, by first
Heat conductive insulating cream, which pours, to be coated on the second stock mould P2 as counterdie, and by the rolling extrusion of the first pressure roller group 20, first is led
Thermal insulation cream squeezes the first thermally conductive insulating layer of slabbing, at this point, the first stock mould P1 and the second stock mould P2 are covered in respectively
Two surfaces up and down of first thermally conductive insulating layer, in the guiding of the first stock mould P1 and the second stock mould P2 that have worn in advance
Under, the first thermally conductive insulating layer is transported at the feed inlet of the second pressure roller group 30, and the second pressure roller is reached in the first thermally conductive insulating layer
Before the feed inlet of group 30, since the free end of the first stock mould P1 is wound by the 4th axis of rolling 40, with the 4th axis of rolling 40
Rotation, during the first thermally conductive insulating layer enters the feed inlet of the second pressure roller group 30, the first stock mould P1 is rotated synchronously
The 4th axis of rolling 40 remove and fold.Due to having overturn direction when the first thermally conductive insulating layer enters the second pressure roller group 30, stay in
The second stock mould P2 in first thermally conductive insulating layer becomes upper mold, and third stock mould P3 becomes counterdie, at this point, the bottom of as
Flow coat the second heat conductive insulating cream on the third stock mould P3 of film, by the extruding of the second pressure roller group 30, in the first thermally conductive insulating layer
Be molded one layer of second thermally conductive insulating layer again below, by the output of the second pressure roller group 30 be include the first thermally conductive insulating layer and the
The double-deck heat conductive insulating pad of two thermally conductive insulating layer, at this point, the upper surface of the bilayer heat conductive insulating pad pastes the second stock mould P2,
Lower surface pastes third stock mould P3, then, with the rotation of the first pressure roller group 20 and the second pressure roller group 30, from the first pressure roller
Group 20 constantly exports the first thermally conductive insulating layer, the double-deck heat conductive isolation sheet is constantly exported from the second pressure roller group 30, to very big
The production efficiency of the double-deck thermally conductive insulating layer is improved, in addition, being directly just directed to the after being exported due to the first thermally conductive insulating layer
Two pressure roller groups 30, to form the second thermally conductive insulating layer, the formation time of the first thermally conductive insulating layer in the first thermally conductive insulating layer
Shorter with the formation time phase difference of the second thermally conductive insulating layer, when forming the second thermally conductive insulating layer, the first thermally conductive insulating layer does not have also
Start to harden, so the double-deck heat conductive insulating pad formed is during use, the first thermally conductive insulating layer and the second heat conductive insulating
Layer is not easily separate, to the effective guarantee quality of the double-deck heat conductive insulating pad.Preferably, in the present embodiment, plastic film residue collect mechanism is also
Including power drill/driver (not shown), power drill/driver and the 4th axis of rolling 40 are sequentially connected, under the drive of power drill/driver,
4th axis of rolling 40 and the first pressure roller group 20 and the second pressure roller group 30 rotate synchronously.
In another embodiment of bilayer heat conductive insulating pad calendering device of the invention, the 5th rolling is additionally provided in rack 1
Axis 32, the 5th axis of rolling 32 are set to the top of the second pressure roller group 30, in this way utilize the second pressure roller group 30, second axis of rolling 22 or
4th axis of rolling 40, the third axis of rolling 31 can also produce single layer heat conductive insulating pad, easy to use.
In practical applications, it is sometimes desirable to one layer of lining cloth is pasted in thermally conductive insulating layer, to increase the strong of heat conductive insulating pad
Degree and toughness are additionally provided in consideration of it, in another embodiment of present invention bilayer heat conductive insulating pad calendering device in rack 1
The setting parallel of 6th axis of rolling 23 and the 7th axis of rolling 33, the 6th axis of rolling 23 and first axis of rolling 21, the 7th axis of rolling 33 with
The setting parallel of 5th axis of rolling 32 when production, can place offer lining cloth on the 6th axis of rolling 23 and/or the 7th axis of rolling 33
Reel, lining cloth and heat conductive insulating cream are run together, and details are not described herein.
In addition, in order to be for further processing to the heat conductive insulating pad exported from the second pressure roller group 30, in the present embodiment, second
Calender system further includes having third pressure roller group 34, and third pressure roller group 34 is docked with the second pressure roller group 30, for from the second pressure roller
The double-deck heat conductive insulating pad of 30 output of group makees further compaction treatment.The double-deck heat conductive insulating pad come out from the second pressure roller group 30 is again
It is secondary to enter third pressure roller group 34, by the rolling again of third pressure roller group 34, export the satisfactory double-deck heat conductive insulating pad.
In another embodiment of bilayer heat conductive insulating pad calendering device of the invention, the first pressure roller group 20, the second pressure roller group 30
Include a pair of upper pressure roller 200,300,340 being oppositely arranged up and down and lower compression roller 201,301,341, profit with third pressure roller group 34
With the face rotation between pressure roller 200,300,340 and lower compression roller 201,301,341, heat conductive insulating cream is squeezed into slabbing.
Due to one layer of first thermally conductive insulating layer of output of the first pressure roller group 20, and the heat conductive insulating pad of the second pressure roller group 30 output includes the
One thermally conductive insulating layer and the second thermally conductive insulating layer, thus gap in the first pressure roller group 20 between pressure roller 200 and lower compression roller 201 with
Gap in second pressure roller group 30 between pressure roller 300 and lower compression roller 301 is different, and for different heat conductive insulating pad institutes
Need thickness be also different sometimes, so, in process of production, need in each pressure roller group upper pressure roller 200,300,
Gap between 340 and lower compression roller 201,301,341 is adjusted, to adapt to production needs, to realize this purpose, the first pressure
It is both provided in roller group 20, the second pressure roller group 30 and third pressure roller group 34 for adjusting upper pressure roller 200,300,340 and lower compression roller
201, the regulating mechanism in gap whereby can be respectively to the first pressure roller group 20, the second pressure roller group 30 and third pressure between 301,341
Gap between upper pressure roller 200,300,340 in roller group 34 and lower compression roller 201,301,341 is adjusted.Lower mask body is with
For one pressure roller group 20 be described in detail the present embodiment in regulating mechanism preferred embodiment, as shown in figure 4, including sliding rail 50,
Sliding block 51, support plate 52 and rotation axis 53.Sliding rail 50 is provided with two pairs, is oppositely arranged on the both ends of the first pressure roller group 20 respectively,
Between the roller bearing at 201 both ends of upper pressure roller 200 and lower compression roller is fixed on be oppositely arranged two sliding rails 50 by a bearing block 55,
Wherein, two bearing blocks 55 at 200 both ends of upper pressure roller are slidably connected by sliding block 51 and sliding rail 50, by means of sliding block 51 and sliding rail
50 are slidably connected, and upper pressure roller 200 can move up and down along sliding rail 50, to change it is upper between pressure roller 200 and lower compression roller 201 between
Gap.Support plate 52 is set to the top of pressure roller 200, and the lower end of rotation axis 53 is connect across support plate 52 with upper pressure roller 200, turns
Moving axis 53 is threadedly coupled with support plate 52, in this way, upper pressure roller 200 can be driven along about 50 sliding rail by rotating rotation axis 53
Sliding.In addition, for the ease of operation rotation axis 53, in the present embodiment, regulating mechanism further includes rotational handle 54, rotational handle 54
It is set to the upper end of rotation axis 53, the rotation of rotation axis 53 can be realized by operating rotational handle 54.
Above disclosed is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore according to equivalent variations made by scope of the present invention patent, still falls within the range that the present invention is covered.
Claims (17)
1. a kind of bilayer heat conductive insulating pads calendering device, it is used for deployed heat conductive insulating cream extrusion forming in stock mould
On, which is characterized in that the bilayer heat conductive insulating pads calendering device and includes：
Rack；
First calender system is set to the top of the rack, for exporting the first heat conduction for being covered with upper layer and lower layer stock mould
Insulating layer；
Second calender system is set to the lower section in the rack and positioned at first calender system, for receiving by institute
State first thermally conductive insulating layer of the first calender system output, the extrusion forming second below first thermally conductive insulating layer
Thermally conductive insulating layer, and export the double-deck heat conductive insulating pad for being covered with upper layer and lower layer stock mould；
Plastic film residue collect mechanism is set to the top for being located at second calender system in the rack, when first heat conductive insulating
Before layer is delivered to the feed inlet of second calender system by the stock mould, the plastic film residue collect mechanism is by first heat conductive insulating
The superolateral one layer of stock mould of layer is removed and is folded.
2. bilayer heat conductive insulating according to claim 1 pads calendering device, which is characterized in that the first calender system packet
It includes：
First pressure roller group is used for deployed heat conductive insulating cream extrusion forming to export first thermally conductive insulating layer；
First axis of rolling is set to the top of the first pressure roller group, is provided to first thermally conductive insulating layer for fixed
The stock mould reel of one stock mould；
Second axis of rolling is set to the lower section of the first pressure roller group, is provided to first thermally conductive insulating layer for fixed
The stock mould reel of another sizing film.
3. bilayer heat conductive insulating according to claim 2 pads calendering device, which is characterized in that the second calender system packet
It includes：
Second pressure roller group is used in first thermally conductive insulating layer the second thermally conductive insulating layer described in extrusion forming, by described
First thermally conductive insulating layer of the first pressure roller group output is directly output at the feed inlet of the second pressure roller group；
The third axis of rolling is set to below the second pressure roller group, and a sizing is provided to the heat conductive insulating pad for fixed
The stock mould reel of mould.
4. bilayer heat conductive insulating according to claim 3 pads calendering device, which is characterized in that the plastic film residue collect mechanism includes：
4th axis of rolling is used to be wound on the outside of first thermally conductive insulating layer before the feed inlet of the second pressure roller group
Stock mould.
5. bilayer heat conductive insulating according to claim 4 pads calendering device, which is characterized in that the plastic film residue collect mechanism further includes
Power drill/driver, the power drill/driver are sequentially connected with the 4th axis of rolling.
6. bilayer heat conductive insulating according to claim 3 pads calendering device, which is characterized in that second calender system is also
Include the 5th axis of rolling, the 5th axis of rolling is set to the top of the second pressure roller group.
7. bilayer heat conductive insulating according to claim 2 pads calendering device, which is characterized in that also set up in the rack
There are the 6th axis of rolling, the 6th axis of rolling to be arranged parallel with first axis of rolling.
8. bilayer heat conductive insulating according to claim 6 pads calendering device, which is characterized in that also set up in the rack
There are the 7th axis of rolling, the 7th axis of rolling to be arranged parallel with the 5th axis of rolling.
9. bilayer heat conductive insulating according to claim 3 pads calendering device, which is characterized in that second calender system is also
Include third pressure roller group, the third pressure roller group is docked with the second pressure roller group, for defeated from the second pressure roller group
The double-deck heat conductive insulating pad gone out makees further compaction treatment.
10. bilayer heat conductive insulating according to claim 9 pads calendering device, which is characterized in that the first pressure roller group, institute
It includes a pair of upper pressure roller and lower compression roller being oppositely arranged up and down, first pressure to state the second pressure roller group and the third pressure roller group
Be both provided in roller group, the second pressure roller group and the third pressure roller group for adjust the upper pressure roller and the lower compression roller it
Between gap regulating mechanism.
11. bilayer heat conductive insulating according to claim 10 pads calendering device, which is characterized in that the regulating mechanism packet
It includes：
Two pairs of sliding rails are oppositely arranged on the both sides of the upper pressure roller and the bearing block of the lower compression roller left and right ends respectively；
The left and right ends of sliding block, the upper pressure roller are slidably connected by the sliding block and the sliding rail respectively；
Support plate is set to the top of the upper pressure roller；
Rotation axis, lower end are connect across the support plate with the upper pressure roller, and the rotation axis connects with the support plate thread
It connects.
12. bilayer heat conductive insulating according to claim 11 pads calendering device, which is characterized in that the regulating mechanism also wraps
Rotational handle is included, the rotational handle is set to the upper end of the rotation axis.
13. a kind of preparation method of bilayer heat conductive insulating pad, it is characterised in that：Including rack, first is provided in the rack
The preparation method of pressure roller group, the second pressure roller group and plastic film residue collect mechanism, the bilayer heat conductive insulating pad includes the following steps：
1), dispensing；First heat conductive insulating cream and the second heat conductive insulating cream are modulated using different formulas respectively；
2) mould, is worn；The first stock mould and the second stock mould are penetrated from the feed inlet of the first pressure roller group respectively, described first
Stock mould is wound by the plastic film residue collect mechanism after being pierced by from the first pressure roller group before the feed inlet of the second pressure roller group；It is described
Second stock mould penetrates the feed inlet of the second pressure roller group after being pierced by the first pressure roller group, then third stock mould is penetrated institute
State the feed inlet of the second pressure roller group；
3), flow coat；First flow coat institute on second stock mould as counterdie is in the feed inlet of the first pressure roller group
The first heat conductive insulating cream is stated, the first thermally conductive insulating layer of extrusion forming is exported from the first pressure roller group, first heat conduction is exhausted
Edge layer upper and lower surface is covered with first stock mould and second stock mould respectively；
Before at the feed inlet that first thermally conductive insulating layer is transported to the second pressure roller group, starting the plastic film residue collect mechanism will
The first stock mould on the outside of first thermally conductive insulating layer is removed and is collapsed, when first thermally conductive insulating layer enters described second
When at the feed inlet of pressure roller group, flow coat institute on the third stock mould at the feed inlet of the second pressure roller group as counterdie
The exhausted cream of second layer heat conduction is stated, is squeezed by the second pressure roller group, the second heat conduction is molded below first thermally conductive insulating layer
Insulating layer includes the bilayer of first thermally conductive insulating layer and second thermally conductive insulating layer from the second pressure roller group output
Heat conductive insulating pad, at this point, the upper and lower surface of the bilayer heat conductive insulating pad is covered with second stock mould and the third respectively
Stock mould.
14. the preparation method of bilayer heat conductive insulating pad according to claim 13, which is characterized in that further include：
First axis of rolling is set to the top of the first pressure roller group, is provided to first thermally conductive insulating layer for fixed
The stock mould reel of first stock mould；
Second axis of rolling is set to the lower section of the first pressure roller group, is provided to first thermally conductive insulating layer for fixed
The stock mould reel of the second sizing film；
The third axis of rolling is set to below the second pressure roller group, for fixed fixed to heat conductive insulating pad offer third
The stock mould reel of pattern.
15. the preparation method of bilayer heat conductive insulating pad according to claim 13, which is characterized in that the plastic film residue collect mechanism packet
The 4th axis of rolling is included, the 4th axis of rolling is for being wound into first heat conduction before the feed inlet of the second pressure roller group
First stock mould on the outside of insulating layer.
16. the preparation method of bilayer heat conductive insulating pad according to claim 15, which is characterized in that the plastic film residue collect mechanism is also
Including power drill/driver, the power drill/driver is sequentially connected with the 4th axis of rolling.
17. a kind of preparation method of multilayered thermally-conductive felt pad, which is characterized in that the heat conductive insulating pad includes N layers and matched by difference
Thermally conductive insulating layer made of side's allotment, is from top to bottom disposed with N lamination roller groups in rack, and the pressure roller group is used for cream
Shape object is squeezed into tablet, and a plastic film residue collect mechanism, N is arranged between adjacent each two pressure roller group>2, the multilayered thermally-conductive felt pad
Preparation method include the following steps：
1), dispensing；Using the heat conductive insulating cream needed for different formulations modulation N kinds；
2) mould, is worn；Two the first heat conductive insulatings of conduct are penetrated at the feed inlet of the uppermost first laminating roll group of the rack
The stock mould of the upper and lower surface overlay film of layer；
Two stock moulds exported by the delivery outlet of the first laminating roll group, wherein one is guided to penetrate the second lamination
The feed inlet of roller group, another is folded before the feed inlet of the second laminating roll group by the plastic film residue collect mechanism；
And so on, two stock moulds that the delivery outlet of each lamination roller group below comes out have one to be guided to penetrate therewith
The feed inlet of adjacent next lamination roller group, another stock mould is before the feed inlet of next lamination roller group adjacent thereto by institute
Plastic film residue collect mechanism is stated to fold；
Another stock mould is also fed through by the feed inlet of each layer pressure roller group of the second laminating roll group down；
3), flow coat；It is on the stock mould as counterdie in the feed inlet of the uppermost first laminating roll group of the rack first
Flow coat first layer heat conductive insulating cream exports first thermally conductive insulating layer, first heat conductive insulating from the first pressure roller group
The upper and lower surface of layer is covered with stock mould；
When first thermally conductive insulating layer, which is finalized mould, to be delivered at the feed inlet of the second laminating roll group, in described second
It is laminated at the feed inlet of roller group as flow coat second layer heat conductive insulating cream on the stock mould of counterdie, from the second laminating roll group
Delivery outlet exports the double-deck thermally conductive insulating layer for including first thermally conductive insulating layer, the upper and lower surface of the bilayer thermally conductive insulating layer
It is covered with stock mould；
And so on, include leading for N layers of thermally conductive insulating layer from the delivery outlet output of bottom one layer of pressure roller group of the rack
Thermal insulation pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259351.2A CN108437325B (en) | 2018-03-27 | Preparation method of multi-layer and double-layer heat-conducting insulating pad and calendaring device of double-layer heat-conducting insulating pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259351.2A CN108437325B (en) | 2018-03-27 | Preparation method of multi-layer and double-layer heat-conducting insulating pad and calendaring device of double-layer heat-conducting insulating pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108437325A true CN108437325A (en) | 2018-08-24 |
| CN108437325B CN108437325B (en) | 2024-06-25 |
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ID=
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|---|---|---|---|---|
| CN204674149U (en) * | 2015-06-12 | 2015-09-30 | 东莞市思泉实业有限公司 | Graphite flake calendering is posted all-in-one |
| CN105479647A (en) * | 2015-09-10 | 2016-04-13 | 湖州格尔泰斯环保技术有限公司 | Polytetrafluoroethylene regenerated material strap hot pressing setter |
| KR101610809B1 (en) * | 2014-10-21 | 2016-04-25 | 삼화콘덴서공업주식회사 | Thin film type supercapacitor and manufacturing method thereof |
| CN107011846A (en) * | 2017-05-16 | 2017-08-04 | 昆山兆科电子材料有限公司 | A kind of heat-conducting insulation material and preparation method thereof |
| CN208068711U (en) * | 2018-03-27 | 2018-11-09 | 东莞市兆科电子材料科技有限公司 | The double-deck heat conductive insulating pads calendering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101610809B1 (en) * | 2014-10-21 | 2016-04-25 | 삼화콘덴서공업주식회사 | Thin film type supercapacitor and manufacturing method thereof |
| CN204674149U (en) * | 2015-06-12 | 2015-09-30 | 东莞市思泉实业有限公司 | Graphite flake calendering is posted all-in-one |
| CN105479647A (en) * | 2015-09-10 | 2016-04-13 | 湖州格尔泰斯环保技术有限公司 | Polytetrafluoroethylene regenerated material strap hot pressing setter |
| CN107011846A (en) * | 2017-05-16 | 2017-08-04 | 昆山兆科电子材料有限公司 | A kind of heat-conducting insulation material and preparation method thereof |
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