CN204616215U - A kind of laminate structure promoting rigid-flex combined board pressing shock absorbent quality - Google Patents
A kind of laminate structure promoting rigid-flex combined board pressing shock absorbent quality Download PDFInfo
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- CN204616215U CN204616215U CN201520318519.4U CN201520318519U CN204616215U CN 204616215 U CN204616215 U CN 204616215U CN 201520318519 U CN201520318519 U CN 201520318519U CN 204616215 U CN204616215 U CN 204616215U
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Abstract
The utility model discloses a kind of laminate structure promoting rigid-flex combined board pressing shock absorbent quality, comprise rigid-flex combined board and the lamination unit of symmetry distribution in rigid-flex combined board both sides, described lamination unit comprises aluminium flake and PE film, the aluminium flake of described lamination unit and PE film are sandwich laminated structure, the internal layer of described sandwich laminated structure is PE film, and the skin of sandwich laminated structure is aluminium flake.The laminate structure of lifting rigid-flex combined board pressing shock absorbent quality of the present utility model has that structure is simple, with low cost, production efficiency is high, the feature of stay in grade and environmental protection.
Description
Technical field
The utility model relates to circuit board fabrication processing technique field, is specially a kind of laminate structure promoting rigid-flex combined board pressing shock absorbent quality.
Background technology
In the rigid-flex combined board course of processing, pressing is carried out by rigid plate, do not flow prepreg and flex plate three part, wherein do not flow prepreg and flexible platen material polyimides adhesion poor, to in bonding processes to cover the performance requirement such as type, heat conduction high, otherwise easily occur that the bad problem such as lamination hickie, plate bursting layering causes scrapping, pressing product confrontation product quality plays a crucial role.
For meeting in rigid-flex combined board bonding processes the requirement of exert pressure evenly, cover type effect and temperature, production plant generally adopts padded coaming to assist rigid-flex combined board pressing, conventional padded coaming is the combination of silicagel pad, release film and PE film, and specific layer stack structure as shown in Figure 2.
In the use procedure of this type padded coaming, silicagel pad stands the environment of HTHP for a long time, and what there will be in various degree is aging, and after certain access times, its buffering covers type and heat-transfer effect cannot meet instructions for use, causes product pressing to occur that hickie is scrapped.The generation of hickie mainly causes because the prepreg gel content that do not flow in rigid-flex combined board is low, and because gel content is low, inequality of exerting pressure can make interior interlayer add glue inequality to cause subregion resin few, and glass fibre will reveal, and forms hickie.And this type of quality defect carries out statistical specifications to change without effective ways to silicagel pad access times at present temporarily.Release film and PE film are disposable plastic material, and silicagel pad, release film and PE film use and reclaim difficulty, not environmentally.Silicagel pad thickness large (individual 1.6mm), silicagel pad, release film, PE film compression method lamination be necessary≤and 3 layers, otherwise pressure transmits bad, causes interlayer product to be scrapped, greatly takies press production capacity, cause processing cost high.
Utility model content
The purpose of this utility model is to provide a kind of laminate structure promoting rigid-flex combined board pressing shock absorbent quality, has that structure is simple, with low cost, production efficiency is high, a feature of stay in grade and environmental protection.
The utility model can be achieved through the following technical solutions:
The utility model discloses a kind of laminate structure promoting rigid-flex combined board pressing shock absorbent quality, comprise rigid-flex combined board and the lamination unit of symmetry distribution in rigid-flex combined board both sides, described lamination unit comprises aluminium flake and PE film, the aluminium flake of described lamination unit and PE film are sandwich laminated structure, the internal layer of described sandwich laminated structure is PE film, and the skin of sandwich laminated structure is aluminium flake.Because aluminium has the advantages such as quality softness, ductility are good, excellent heat conductivity, by the release film adopting slim aluminium flake to replace existing layer stack structure, both pressing buffering effect had been kept, can repeat to reclaim to aluminium flake again and use, avoid release film as the disposable waste of plastics, operate simpler.Debugging, aluminium flake softness moderate, effectively avoid release film due to the too soft impact needing additional silicon rubber cushion to cause when impressed pressure thing, silicagel pad is owing to having certain thickness, the uniformity that each position is stressed in the process of pressing can have a certain impact, so cause in bonding processes careless slightly rigid-flex combined board will be caused to occur the bad problem such as lamination hickie, plate bursting layering causes scrapping.Therefore, by stepped construction of the present utility model, both saved material, and simplify again the stacked number of plies and save operation, and the waste reducing material realized recycling of material, also environmental protection while reducing costs.
The laminate structure of described lifting rigid-flex combined board pressing shock absorbent quality also comprises the steel plate for assisted compression, and described steel plate layer is stacked in the outside of lamination unit.By at steel plate impressed pressure, through lamination unit, superimposed press plates is carried out to rigid-flex combined board
The sandwich stacked number of plies of described lamination unit is odd number, and described aluminium flake is arranged on the odd-level of lamination unit, aluminium flake line symmetrically stacked distribution centered by rigid-flex combined board of two lamination units.By symmetry distribution, ensure both sides uniform force in the process of pressing, ensure that the quality of pressing.
Described PE film is arranged on the even level of lamination unit, and described PE film is line symmetrically stacked distribution centered by rigid-flex combined board.By symmetry distribution, ensure both sides uniform force in the process of pressing, ensure that the quality of pressing.
Described aluminium flake is dual light aluminium flake, machine glazing aluminium flake or two-sided hair aluminium flake, can select suitable aluminium flake flexibly according to actual needs.
Described PE film is high density PE film, Midst density PE film or low density PE film, can select the PE film of dissimilar different-thickness according to actual needs flexibly.
A kind of laminate structure promoting rigid-flex combined board pressing shock absorbent quality of the utility model, has following beneficial effect:
The first, structure is simple, and stepped construction of the present utility model replaces release film by adopting aluminium flake, decreases the stacked use of silicagel pad, simplifies stepped construction;
The second, with low cost, the aluminium flake of employing can reclaim repetitive cycling and use, and avoids the nonrecoverable waste of release film plastics, effectively reduces costs;
Three, production efficiency is high, by reducing the stacked of silicagel pad, saving and once stacking the material time, promoting 25% operating efficiency, promote press production capacity greatly, can press 36PNL at most, rise to and can press 60PNL rigid-flex combined board from former press one stove, promote >=66.7%;
Four, stay in grade, it is more excellent that aluminium flake compares its softness of release film, ductility and thermal conductivity, avoids the use of silicagel pad in bonding processes, reduces the blocked up quality risk caused of silicagel pad thickness;
Five, environmental protection, decreases the use of Phthalates release film, avoids the secondary pollution of production waste to environment.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of laminate structure structural representation promoting rigid-flex combined board pressing shock absorbent quality of the utility model;
Accompanying drawing 2 is the laminate structure structural representation of this prior art;
In accompanying drawing, mark comprises: 1, rigid-flex combined board, and 2, aluminium flake, 3, PE film, 4, release film, 5, steel plate, 6, silicagel pad.
Embodiment
In order to make those skilled in the art person understand the technical solution of the utility model better, below in conjunction with embodiment and accompanying drawing, the utility model product is described in further detail.
As shown in Figure 1, the utility model discloses a kind of buffering pressing laminate structure of rigid-flex combined board 1, comprise rigid-flex combined board 1 and the lamination unit of symmetry distribution in rigid-flex combined board 1 both sides.In FIG, the stacked number of plies is nine layers, and the number of plies of lamination unit is three layers, and certainly, its concrete number of plies also can be arranged according to actual needs flexibly.Described lamination unit comprises aluminium flake 2 and PE film 3, and aluminium flake 2 and the PE film 3 of described lamination unit are sandwich laminated structure, and the internal layer of described sandwich laminated structure is PE film 3, and the skin of sandwich laminated structure is aluminium flake 2.The buffering pressing laminate structure of described rigid-flex combined board 1 also comprises the steel plate 5 for assisted compression, and described steel plate 5 is layered in the outside of lamination unit.The sandwich stacked number of plies of described lamination unit is odd number, and described aluminium flake 2 is arranged on the odd-level of lamination unit, aluminium flake 2 line symmetrically stacked distribution centered by rigid-flex combined board 1 of two lamination units.Described PE film 3 is arranged on the even level of lamination unit, and described PE film 3 is line symmetrically stacked distribution centered by rigid-flex combined board 1.Described aluminium flake 2 is dual light aluminium flake, machine glazing aluminium flake or two-sided hair aluminium flake.Described PE film 3 is high density PE film, Midst density PE film or low density PE film.
As shown in Figure 2, Fig. 2 provides existing stepped construction as a comparison.In order to realize same stacked effect, the stacked number of plies of accompanying drawing 2 is eleventh floor, and contrasting the most direct difference with Fig. 1 is exactly the aluminium flake 2 adopting release film 4 to replace Fig. 1, meanwhile, also adds silicagel pad 6 as buffering between release film 4 and steel plate 5.On concrete structure, stratification position and Fig. 1 of rigid-flex combined board 1, release film 4, PE film 3, steel plate 5 are similar, and unique difference also add silicagel pad 6 exactly between release film 4 and steel plate 5.
By contrast can find, the utility model is relative to prior art, and the number of plies of stepped construction can reduce, and avoids the quality risk that the use of blocked up silicagel pad 6 causes simultaneously, adopt aluminium flake 2 replace release film 4 to reuse, operation and management and control simple; Save and once stack the material time, promote 25% operating efficiency; Great lifting press production capacity, former press one stove 6 opening can press 36PNL at most, now can press >=60PNL rigid-flex combined board 1, promotes >=66.7%, greatly reduces production cost, reduces plastic material use amount >=66.7%, environmental protection.
In the process of reality processing, subassembly such as rigid plate, do not flow prepreg and the flex plate etc. of rigid-flex combined board 1 are machined to pressing by normal process flow; Then the subassembly of rigid-flex combined board 1 as rigid plate, do not flow prepreg and flex plate etc. complete lamination by laminar structure figure and obtain rigid-flex combined board 1; Then rigid-flex combined board 1 is carried out superimposedly completing pressing flow process according to lamination unit of the present utility model " aluminium flake+PE film ", last rigid-flex combined board 1 is produced by normal flow, and aluminium flake is recycled, and PE film carries out environmental protection treatment.
The above, be only preferred embodiment of the present utility model, not does any pro forma restriction to the utility model; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the utility model swimmingly; But all those skilled in the art are not departing within the scope of technical solutions of the utility model, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present utility model; Meanwhile, all according to substantial technological of the present utility model to the change of any equivalent variations that above embodiment is done, modify and differentiation etc., within the protection range all still belonging to the technical solution of the utility model.
Claims (6)
1. one kind promotes the laminate structure of rigid-flex combined board pressing shock absorbent quality, comprise rigid-flex combined board (1), it is characterized in that: also comprise the lamination unit of symmetry distribution in rigid-flex combined board (1) both sides, described lamination unit comprises aluminium flake (2) and PE film (3), aluminium flake (2) and the PE film (3) of described lamination unit are sandwich laminated structure, the internal layer of described sandwich laminated structure is PE film (3), and the skin of sandwich laminated structure is aluminium flake (2).
2. the laminate structure of lifting rigid-flex combined board pressing shock absorbent quality according to claim 1, is characterized in that: described laminate structure also comprises the steel plate (5) for assisted compression, and described steel plate (5) is layered in the outside of lamination unit.
3. the laminate structure of lifting rigid-flex combined board pressing shock absorbent quality according to claim 1 and 2, it is characterized in that: the sandwich stacked number of plies of described lamination unit is odd number, described aluminium flake (2) is arranged on the odd-level of lamination unit, aluminium flake (2) line symmetrically stacked distribution centered by rigid-flex combined board (1) of two lamination units.
4. the laminate structure of lifting rigid-flex combined board pressing shock absorbent quality according to claim 3, it is characterized in that: described PE film (3) is arranged on the even level of lamination unit, described PE film (3) line symmetrically stacked distribution centered by rigid-flex combined board (1).
5. the laminate structure of lifting rigid-flex combined board pressing shock absorbent quality according to claim 4, is characterized in that: described aluminium flake (2) is dual light aluminium flake, machine glazing aluminium flake or two-sided hair aluminium flake.
6. the laminate structure of lifting rigid-flex combined board pressing shock absorbent quality according to claim 5, is characterized in that: described PE film (3) is high density PE film, Midst density PE film or low density PE film.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520318519.4U CN204616215U (en) | 2015-05-18 | 2015-05-18 | A kind of laminate structure promoting rigid-flex combined board pressing shock absorbent quality |
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| CN201520318519.4U CN204616215U (en) | 2015-05-18 | 2015-05-18 | A kind of laminate structure promoting rigid-flex combined board pressing shock absorbent quality |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578802A (en) * | 2015-12-28 | 2016-05-11 | 深圳市景旺电子股份有限公司 | Lamination method for multi-layer flexible board and multi-layer flexible board |
| CN110213911A (en) * | 2019-05-22 | 2019-09-06 | 深圳市昶东鑫线路板有限公司 | A kind of ameliorative way of multi-layer board spaciousness area starved |
-
2015
- 2015-05-18 CN CN201520318519.4U patent/CN204616215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578802A (en) * | 2015-12-28 | 2016-05-11 | 深圳市景旺电子股份有限公司 | Lamination method for multi-layer flexible board and multi-layer flexible board |
| CN110213911A (en) * | 2019-05-22 | 2019-09-06 | 深圳市昶东鑫线路板有限公司 | A kind of ameliorative way of multi-layer board spaciousness area starved |
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