CN205946413U - Take accurate waterproof part of ultra -thin circuit board and mould of this part of shaping - Google Patents
Take accurate waterproof part of ultra -thin circuit board and mould of this part of shaping Download PDFInfo
- Publication number
- CN205946413U CN205946413U CN201620677448.1U CN201620677448U CN205946413U CN 205946413 U CN205946413 U CN 205946413U CN 201620677448 U CN201620677448 U CN 201620677448U CN 205946413 U CN205946413 U CN 205946413U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- silica gel
- fuse
- mould
- waterproof part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a take accurate waterproof part of ultra -thin circuit board and mould of this part of shaping, the mould of the accurate waterproof part of the ultra -thin circuit board in shaping area, including air chamber bottom, core board, medium plate, cope match -plate pattern and pressure flitch, the surperficial protruding concave location cavity and the annular groove of being equipped with of up end that is equipped with an at least core, core of core board, the accurate waterproof part of taking ultra -thin circuit board is including FPC circuit board, plastic support and silica gel layer, through utilizing the utility model discloses a mould structure, the shaping goes out the silica gel layer, utilizes the silica gel layer to connect between FPC circuit board and plastic support, plastic support can with outside direct mount to realizing FPC circuit board and externally mounted, bringing the convenience for the use, make the silica gel layer to compaginate with FPC circuit board and plastic support, insulating nature, stability, temperature resistant weatherability are good, and ageing -resistant, surface tension hangs down, and product performance is good.
Description
Technical field
This utility model is related to mould applications technology, refers in particular to a kind of accurate waterproof part with ultrathin circuit board and one-tenth
The mould of this part of type.
Background technology
FPC circuit board is also referred to as flexible PCB, is a kind of ultrathin circuit board, is with polyimides or mylar as base material
The one kind made has a height reliability, excellent flexible printed circuit.Have that Distribution density is high, lightweight, thickness of thin,
The good feature of bending property.
However, being connected it is impossible to directly install with external stability due to FPC circuit board very thin thickness, thus bringing to using
Inconvenience.
Utility model content
In view of this, this utility model is directed to the disappearance of prior art presence, and its main purpose is to provide a kind of band ultra-thin
The accurate waterproof part of circuit board and the mould of this part of molding, the existing FPC circuit board of its energy effectively solving can not be with outside
Directly fixed installation leads to awkward problem.
For achieving the above object, this utility model is using as purgation technical scheme：
A kind of mould with the accurate waterproof part of ultrathin circuit board for molding, include air chamber bottom, core sheet, middle plate,
Cope match-plate pattern and holding pad；Together with this air chamber bottom, core sheet, middle plate, cope match-plate pattern are folded successively from lower to upper and are located at holding pad,
It is formed with sealed gas chamber, the surface of core sheet is convexly equipped with least one core between the surface of the bottom surface of this core sheet and air chamber bottom
Son, this fuse extends upwardly to the bottom surface of cope match-plate pattern through middle plate, and the upper surface of fuse and the bottom surface of cope match-plate pattern are formed with die cavity,
The upper surface of fuse is arranged with the located cavity placed for FPC circuit board and the annular groove for silica gel molding, located cavity
Bottom surface is provided with passage, and this passage connects sealed gas chamber, and annular groove is located at the periphery of located cavity, the outer circumferential side of fuse
It is formed with the annular positioning groove placed for plastic rubber bracket, annular positioning groove is located at the periphery of annular groove between face and middle plate；Should
The surface of cope match-plate pattern is arranged with silica gel material chamber, and this silica gel material chamber connects annular groove, and the bottom surface of this holding pad is convexly equipped with binder block,
This binder block is embedded in silica gel material chamber.
As a kind of preferred version, described fuse is multigroup, and this multigroup fuse is in that array is arranged, and every group of fuse is by four
Fuse forms, and four fuses are in that array is arranged, and are provided with an aforementioned silica gel material chamber for every group of fuse.
As a kind of preferred version, the bottom surface of described located cavity is evenly equipped with multiple aforementioned passages, and each passage is equal
Connection sealed gas chamber.
As a kind of preferred version, between the surface of the bottom surface of described core sheet and air chamber bottom, it is folded with sealing ring.
A kind of accurate waterproof part with ultrathin circuit board, using the accurate waterproof part with ultrathin circuit board for the aforementioned molding
Mould make, include FPC circuit board, plastic rubber bracket and layer of silica gel, plastic rubber bracket be located at FPC circuit board periphery and with
FPC circuit board is not attached to, and the neighboring of FPC circuit board is connected with the inner periphery produced by insert molding of layer of silica gel, plastic rubber bracket
Inner periphery is connected with the neighboring produced by insert molding of layer of silica gel.
As a kind of preferred version, the recessed another rat in a surface of described layer of silica gel and be formed with arc groove.
As a kind of preferred version, the thickness of described FPC circuit board is 0.12mm, and the thickness of this layer of silica gel is 0.1mm.
This utility model compared with prior art has clear advantage and beneficial effect, specifically, by above-mentioned technology
Scheme understands：
By using mould structure of the present utility model, mold layer of silica gel, using layer of silica gel be connected to FPC circuit board and
Between plastic rubber bracket, plastic rubber bracket can be mounted directly with outside, it is achieved thereby that FPC circuit board is installed with outside, to using band
To facilitate, layer of silica gel can be with FPC circuit board and plastic rubber bracket strong bonded, insulating properties, stability, heatproof good weatherability, and
Ageing-resistant, surface tension is low, and product serviceability is good.
For more clearly illustrating architectural feature of the present utility model and effect, it is right to come with specific embodiment below in conjunction with the accompanying drawings
This utility model is described in detail.
Brief description
Fig. 1 be this utility model preferred embodiment in mould assembling schematic perspective view；
Fig. 2 be this utility model preferred embodiment in mould exploded view；
Fig. 3 be this utility model preferred embodiment in another angle of mould exploded view；
Fig. 4 be this utility model preferred embodiment in mould sectional view；
Fig. 5 is the enlarged diagram at location A in Fig. 2；
Fig. 6 is the enlarged diagram at B location in Fig. 4；
Fig. 7 be this utility model preferred embodiment in shaped article axonometric chart；
Fig. 8 be this utility model preferred embodiment in shaped article exploded view.
Accompanying drawing identifier declaration：
10th, air chamber bottom 11, annular caulking groove
20th, core sheet 21, fuse
201st, sealed gas chamber 202, located cavity
203rd, annular groove 204, passage
205th, annular positioning groove 30, middle plate
40th, cope match-plate pattern 41, silica gel material chamber
42nd, guide channel 50, holding pad
51st, binder block 52, guiding block
60th, accurate waterproof part 61, FPC circuit board
62nd, plastic rubber bracket 63, layer of silica gel
601st, arc groove 70, sealing ring.
Specific embodiment
This utility model discloses a kind of mould with the accurate waterproof part of ultrathin circuit board for molding, as Fig. 1 to Fig. 6 institute
Show, it includes air chamber bottom 10, core sheet 20, middle plate 30, cope match-plate pattern 40 and holding pad 50, this air chamber bottom 10, fuse
Together with plate 20, middle plate 30, cope match-plate pattern 40 are folded successively from lower to upper and are located at holding pad 50.
It is formed with sealed gas chamber 201, the table of core sheet 20 between the surface of the bottom surface of this core sheet 20 and air chamber bottom 10
Face is convexly equipped with least one fuse 21, and this fuse 21 extends upwardly to the bottom surface of cope match-plate pattern 40 through middle plate 30, fuse 21 end face with
Cope match-plate pattern 40 face is formed with die cavity, and fuse 21 end face is arranged with for the located cavity 202 of FPC circuit board 61 with for silica gel molding
Annular groove 203, the bottom surface of located cavity 202 is provided with passage 204, and this passage 204 connects sealed gas chamber 201, annular
Groove 203 is located at the periphery of located cavity 202, is formed with and puts for plastic rubber bracket 62 between the circumferential lateral surface of fuse 21 and middle plate 30
The annular positioning groove 205 put, annular positioning groove 205 is located at the periphery of annular groove 203, this annular positioning groove 205, annular groove
203 and located cavity 202 together constitute aforementioned die cavity.
The surface of this cope match-plate pattern 40 is arranged with silica gel material chamber 41, and this silica gel material chamber 41 connects annular groove 203, this binder
The bottom surface of plate 50 is convexly equipped with binder block 51, and this binder block 51 is embedded in silica gel material chamber 41, in the present embodiment, in the present embodiment
In, ringwise, accordingly, this binder block 51 also ringwise, and, extend and lead by the bottom surface of this holding pad 50 in silica gel material chamber 41
Draw block 52, this binder block 51 is located at the periphery of guiding block 52, and accordingly, this cope match-plate pattern 40 has a guide channel 42, this guiding block
52 are embedded in guide channel 42.
In the present embodiment, described fuse 21 is multigroup, and this multigroup fuse 21 is in that array is arranged, and every group of fuse 21 is by four
Individual fuse 21 forms, and four fuses 21 are in that array is arranged, and are provided with an aforementioned silica gel material chamber 41 for every group of fuse 21；And
And, the bottom surface of described located cavity 202 is evenly equipped with multiple aforementioned passages 204, and each passage 204 all connects sealed gas chamber
201, so that FPC circuit board 61 steadily moves up in the presence of gas pressure.
And, it is folded with sealing ring 70, in this enforcement between the bottom surface of described core sheet 20 and the surface of air chamber bottom 10
In example, the surface of this air chamber bottom 10 is arranged with annular caulking groove 11, and this sealing ring 70 is embedded in annular caulking groove 11.
This utility model also discloses a kind of accurate waterproof part 60 with ultrathin circuit board, using the many plates of aforementioned composite molding
Oil pressure mould structure is made, and as shown in Figure 7 and Figure 8, includes FPC circuit board 61, plastic rubber bracket 62 and layer of silica gel 63, plastic cement props up
Frame 62 is located at the periphery of FPC circuit board 61 and is not attached to FPC circuit board 61, the neighboring of FPC circuit board 61 and layer of silica gel
63 inner periphery produced by insert molding connects, and the inner periphery of plastic rubber bracket 62 is connected with the neighboring produced by insert molding of layer of silica gel 63
Connect；This layer of silica gel 63 includes following raw material：Hydroxy-end capped polydimethylsiloxane 23-28 part, kieselguhr 13-
15 parts, Ludox 9-10 part, magnesium oxide 3-5 part, three silicon oxide 3-4 parts, titanium dioxide 0.5-1 part, epoxy resin 9-10
Part, age resistor 1-1.5 part, NBR rubber 3-4 part, silane coupler 1-1.5 part, rubber film enhancer 5-6 part, during making,
Above-mentioned raw materials are put into vessel in heating melt and stir, had very well using the layer of silica gel 63 that above-mentioned raw materials are obtained
Insulating properties and stability, heatproof good weatherability, and ageing-resistant, surface tension is low, and viscosity is strong, can be with FPC circuit board
61 and plastic rubber bracket 62 strong bonded；In the present embodiment, the recessed another rat in a surface of described layer of silica gel 63 and shape
Become to have arc groove 601, and, the thickness of described FPC circuit board 61 be 0.12mm, the thickness of this layer of silica gel 63 is 0.1mm,
FPC circuit board 61 be backed with circuit turn-on function, plastic rubber bracket 62 be used for and external mounting.
This utility model further discloses a kind of moulding process with the accurate waterproof part of ultrathin circuit board for molding, using front
State the mould with the accurate waterproof part of ultrathin circuit board for the molding to make, include following steps：
（1）Air chamber bottom 10, core sheet 20 and middle plate 30 are folded from lower to upper together with being located at, and make outside trachea connection close
Hold one's breath room 201.
（2）FPC circuit board 61 is placed on located cavity 202, and plastic rubber bracket 62 is placed on annular positioning groove 205
In.
（3）Cope match-plate pattern 40 is stacked on the surface of middle plate 30, and the silica gel toward silica gel material chamber 41 injection melting.
（4）Holding pad 50 is stacked on cope match-plate pattern 40, binder block 51 is embedded in silica gel material chamber 41, by the silica gel pressure of melting
Enter in annular groove 203, meanwhile, outside trachea toward insufflation gas in sealed gas chamber, by FPC circuit board 61 jack-up so that FPC is electric
The periphery of road plate 61 is embedded in silica gel.
（5）Pressurize for a period of time, forms layer of silica gel 63, layer of silica gel 63 connects after the silica gel solidification in annular groove 203
Between the neighboring of FPC circuit board 61 and the inner periphery of plastic rubber bracket 62, thus accurate waterproof part 60 needed for being formed,
Then mold and accurate waterproof part 60 is taken out.
Design focal point of the present utility model is：By using mould structure of the present utility model, mold layer of silica gel, profit
It is connected between FPC circuit board and plastic rubber bracket with layer of silica gel, plastic rubber bracket can be mounted directly with outside, it is achieved thereby that FPC
Circuit board is installed with outside, to using bringing convenience, layer of silica gel can with FPC circuit board and plastic rubber bracket strong bonded, insulating properties,
Stability, heatproof good weatherability, and ageing-resistant, and surface tension is low, and product serviceability is good.
The above, be only preferred embodiment of the present utility model, not technical scope of the present utility model is made
Any restriction, therefore every any trickle amendment above example made according to technical spirit of the present utility model, equivalent change
Change and modify, all still fall within the range of technical solutions of the utility model.
Claims (7)
1. a kind of mould with the accurate waterproof part of ultrathin circuit board for molding it is characterised in that：Include air chamber bottom, fuse
Plate, middle plate, cope match-plate pattern and holding pad；This air chamber bottom, core sheet, middle plate, cope match-plate pattern and holding pad are folded from lower to upper successively
It is located at together, between the surface of the bottom surface of this core sheet and air chamber bottom, is formed with sealed gas chamber, the surface of core sheet is convexly equipped with
At least one fuse, this fuse extends upwardly to the bottom surface of cope match-plate pattern, the bottom surface shape of the upper surface of fuse and cope match-plate pattern through middle plate
Become and have die cavity, the upper surface of fuse is arranged with the located cavity placed for FPC circuit board and the annular groove for silica gel molding, fixed
The bottom surface of position cavity is provided with passage, and this passage connects sealed gas chamber, and annular groove is located at the periphery of located cavity, fuse
Circumferential lateral surface and middle plate between be formed with the annular positioning groove placed for plastic rubber bracket, annular positioning groove is located at annular groove
Periphery；The surface of this cope match-plate pattern is arranged with silica gel material chamber, and this silica gel material chamber connects annular groove, and the bottom surface of this holding pad is convexly equipped with
Binder block, this binder block is embedded in silica gel material chamber.
2. the mould with the accurate waterproof part of ultrathin circuit board for the molding according to claim 1 it is characterised in that：Described
Fuse is multigroup, and this multigroup fuse is in that array is arranged, and every group of fuse is made up of four fuses, and four fuses are in that array is arranged
Cloth, is provided with an aforementioned silica gel material chamber for every group of fuse.
3. the mould with the accurate waterproof part of ultrathin circuit board for the molding according to claim 1 it is characterised in that：Described
The bottom surface of located cavity is evenly equipped with multiple aforementioned passages, and each passage all connects sealed gas chamber.
4. the mould with the accurate waterproof part of ultrathin circuit board for the molding according to claim 1 it is characterised in that：Described
It is folded with sealing ring between the surface of the bottom surface of core sheet and air chamber bottom.
5. a kind of accurate waterproof part with ultrathin circuit board it is characterised in that：Using as described in any one of Claims 1-4
The mould with the accurate waterproof part of ultrathin circuit board for the molding make, include FPC circuit board, plastic rubber bracket and layer of silica gel,
Plastic rubber bracket is located at the periphery of FPC circuit board and is not attached to FPC circuit board, the neighboring of FPC circuit board and layer of silica gel
Inner periphery produced by insert molding connects, and the inner periphery of plastic rubber bracket is connected with the neighboring produced by insert molding of layer of silica gel.
6. the accurate waterproof part with ultrathin circuit board according to claim 5 it is characterised in that：The one of described layer of silica gel
The recessed another rat in surface and be formed with arc groove.
7. the accurate waterproof part with ultrathin circuit board according to claim 5 it is characterised in that：Described FPC circuit board
Thickness be 0.12mm, the thickness of this layer of silica gel is 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620677448.1U CN205946413U (en) | 2016-07-01 | 2016-07-01 | Take accurate waterproof part of ultra -thin circuit board and mould of this part of shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620677448.1U CN205946413U (en) | 2016-07-01 | 2016-07-01 | Take accurate waterproof part of ultra -thin circuit board and mould of this part of shaping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205946413U true CN205946413U (en) | 2017-02-08 |
Family
ID=57931235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620677448.1U Withdrawn - After Issue CN205946413U (en) | 2016-07-01 | 2016-07-01 | Take accurate waterproof part of ultra -thin circuit board and mould of this part of shaping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205946413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105899028A (en) * | 2016-07-01 | 2016-08-24 | 东莞万德电子制品有限公司 | Precision waterproof part with ultra-thin circuit board and die and process for forming part |
| CN108042072A (en) * | 2017-12-28 | 2018-05-18 | 宁波欧琳厨具有限公司 | A kind of door body mechanism of water tank type dish-washing machine |
-
2016
- 2016-07-01 CN CN201620677448.1U patent/CN205946413U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105899028A (en) * | 2016-07-01 | 2016-08-24 | 东莞万德电子制品有限公司 | Precision waterproof part with ultra-thin circuit board and die and process for forming part |
| CN105899028B (en) * | 2016-07-01 | 2021-11-23 | 东莞万德电子制品有限公司 | Precise waterproof part with ultrathin circuit board and die and process for forming part |
| CN108042072A (en) * | 2017-12-28 | 2018-05-18 | 宁波欧琳厨具有限公司 | A kind of door body mechanism of water tank type dish-washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20211123 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20211123 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |