CN102333251B - Method and device for manufacturing array plate insulation layer of microphone casing frame - Google Patents
Method and device for manufacturing array plate insulation layer of microphone casing frame Download PDFInfo
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- CN102333251B CN102333251B CN201110202492.9A CN201110202492A CN102333251B CN 102333251 B CN102333251 B CN 102333251B CN 201110202492 A CN201110202492 A CN 201110202492A CN 102333251 B CN102333251 B CN 102333251B
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- syringe needle
- microphone
- array plate
- shell frame
- endoporus
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Abstract
The invention discloses a method and device for manufacturing an array plate insulation layer of a microphone casing frame. An insulation layer is formed on the array plate of the microphone casing frame by numeral control slight coating process. The thickness, the upper edge size, the lower edge size and the like of the insulation layer are easy to control, and can fully meet the design requirement, thereby providing convenient conditions for batch production of the microphone casing frame.
Description
Technical field
The present invention relates to the manufacture method of microphone casing frame insulating barrier, also relate to a kind of manufacturing installation of microphone casing frame insulating barrier.
Background technology
Square shielding microphone is used widely with its little volume and high quality, its shell is the vitals of realizing this function, as shown in Figure 11 and Figure 12, the housing of square shielding microphone comprises the square casing framework 10 of both ends open, one end opening of described case frame 10 is bonded with wiring board 70, and the other end opening of described case frame 10 is bonded with capping 80.As shown in figure 13, described case frame 10 is provided with for holding the endoporus 11 of each electronic unit of microphone, on the hole wall of endoporus 11, be coated with and be coated with layer of metal screen 12, in the case frame both ends of the surface of endoporus 11 correspondences, coating is useful on the metal circular layer 14 that is electrically connected to and shields, for preventing that metal screen layer 12 is electrically connected to each electronic unit of microphone, the outer insulating barrier 13 that is coated with again of metal screen layer 12.As shown in Figure 14, Figure 15 and Figure 16, the endoporus 11 of case frame described in prior art 10 is square, ellipse or circular, and their distinguish corresponding case frame array board respectively as shown in Fig. 8, Fig. 9 and Figure 10.
In order to enhance productivity and to realize assembly automation, the method that prior art is manufactured case frame 10 is access line plate sheet material, then on wiring board sheet material, process the endoporus 11 of a plurality of microphone circuit plate frameworks needs of array setting, then coated metal screen 12 and metal circular layer 14 on the hole wall of each endoporus 11, and then on metal screen layer 12, be coated with insulating layer coating 13, finally described array plate of shell frame of microphone is divided into independently microphone casing frame.
The wiring board sheet metal thickness of manufacturing case frame 10 is 0.7mm～0.85mm, the diameter of circular inner hole 11 is φ 3.0mm left and right, the major axis of oval endoporus 11 is 4.0mm left and right, the minor axis of oval endoporus 11 is 2.7mm left and right, the length of side of square inner bore 11 is 2.5mm * 3.5mm left and right, the thickness of metal screen layer 12 and metal circular layer 14 is 0.03mm left and right, and the thickness of insulating barrier 13 is 0.04mm left and right.
In production practices, maximum difficulty is the coating of insulating barrier 13.Thickness as thin as a wafer, requires lacquer painting even on the one hand, must not have holiday or bubble; On the other hand, must not be coated to endoporus 11 outsides, cause the blocking-up of metal circular layer 14 conductions, microphone was lost efficacy.
The coating of insulating barrier 13 in prior art, is by the mode of spraying, then the insulation paint film on metal circular layer 14 surfaces is wiped off with cutter or the mode by polishing grinds off.Its shortcoming is: one, the thickness of insulating barrier 13 is uncontrollable; Two, the removal of the insulation paint film on metal circular layer 14 surfaces easily destroys metal circular layer 14, and microphone was lost efficacy.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of insulating barrier and applies insulation layer of array plate of shell frame of microphone manufacture method accurately and reliably.
For solving the problems of the technologies described above, the first technical scheme of the present invention is: insulation layer of array plate of shell frame of microphone manufacture method, comprises the following steps:
The first step is fixed on described array plate of shell frame of microphone on array board fixture;
Second step inserts the coating syringe needle of coating insulating varnish the endoporus of the uncoated insulating barrier of described array plate of shell frame of microphone, and the degree of depth that described coating syringe needle inserts is corresponding with the lower edge of described endoporus;
Described in the 3rd step transverse shifting, apply syringe needle to the inwall near described endoporus;
The 4th step is sent into insulating varnish in described coating syringe needle, makes described coating syringe needle along the inwall circumferential movement of described endoporus simultaneously, forms the little ring of insulation of a sealing;
Described in the 5th step, apply the syringe needle certain distance that moves up, then repeat the 4th step, at the inwall of described endoporus, form the little ring of a plurality of described insulation, until form the top edge of insulating barrier;
The 6th step stops sending into insulating varnish in described coating syringe needle, and mobile described coating syringe needle leaves the endoporus having applied;
The 7th step repeats second step to the six steps, until complete the coating of all endoporus insulating barriers;
The 8th step is taken off described array plate of shell frame of microphone from described array board fixture, and natural drying or heating, drying, completes production.
As preferred technical scheme, the height of the little ring of described insulation is by regulating the insulating varnish adding amount of described coating syringe needle and/or regulating the circular velocity of described coating syringe needle to decide.
As preferred technical scheme, between the little ring of described insulation, next-door neighbour forms described insulating barrier.
As preferred technical scheme, the little ring of described insulation has each other certain intervals and forms described insulating barrier.
For solving the problems of the technologies described above, the second technical scheme of the present invention is: insulation layer of array plate of shell frame of microphone manufacture method, comprises the following steps:
The first step is fixed on described array plate of shell frame of microphone on array board fixture;
Second step inserts the coating syringe needle of coating insulating varnish the endoporus of the uncoated insulating barrier of described array plate of shell frame of microphone, and the degree of depth that described coating syringe needle inserts is corresponding with the lower edge of described endoporus;
Described in the 3rd step transverse shifting, apply syringe needle to the inwall near described endoporus;
The 4th step is sent into insulating varnish in described coating syringe needle, make described coating syringe needle around the inwall circumferential movement of described endoporus simultaneously, and make described coating syringe needle progressively move upward simultaneously, form a spiral yarn shaped insulating isolation ring, the two ends up and down of spiral yarn shaped described insulating isolation ring are top edge and the lower limb of corresponding described insulating barrier respectively;
The 5th step stops sending into insulating varnish in described coating syringe needle, and mobile described coating syringe needle leaves the endoporus having applied;
The 6th step repeats second step to the five steps, until complete the coating of all endoporus insulating barriers;
The 7th step is taken off described array plate of shell frame of microphone from described array board fixture, and natural drying or heating, drying, completes production.
As preferred technical scheme, the height of described insulating isolation ring is by regulating the insulating varnish adding amount of described coating syringe needle and/or regulating the circular velocity of described coating syringe needle to decide.
As preferred technical scheme, between described helix, next-door neighbour forms described insulating barrier.
As preferred technical scheme, described helix has each other certain intervals and forms described insulating barrier.
Another technical problem to be solved by this invention is to provide a kind of insulating barrier and applies manufacturing device of insulation layer of array plate of shell frame of microphone accurately and reliably.
For solving the problems of the technologies described above, technical scheme of the present invention is: manufacturing device of insulation layer of array plate of shell frame of microphone, comprising:
Array board fixture, comprises clamp body, and described clamp body is provided with array plate of shell frame of microphone positioner and clamping device, is positioned at described array plate of shell frame of microphone below and is provided with to apply and dodges chamber on described clamp body; .
Numerical control working head, comprises horizontal mobile device, longitudinal moving device and vertical mobile device;
Needle holder, is arranged on described numerical control working head;
Coating syringe needle, is arranged in described needle holder;
Paint feeding apparatus, is arranged on described numerical control working head, comprises paint feeding pump, and described paint feeding pump is connected with numerical control flux control valve by pipeline, and described numerical control flux control valve is communicated with the painting hole of described coating syringe needle by pipeline.
Owing to having adopted technique scheme, by numerical control trace coated technique, make array plate of shell frame of microphone form insulating barrier, and the thickness of described insulating barrier and upper and lower edge equidimension are easy to control, can meet design requirement completely, thereby provide the condition that facilitates for the batch production of microphone casing frame.
Accompanying drawing explanation
Fig. 1 is the work schematic diagram of the embodiment of the present invention one, there is shown the state before coating starts, and numerical control working head is prepared to move downward, and makes described coating syringe needle be inserted into the endoporus of described array plate of shell frame of microphone;
Fig. 2 is the work schematic diagram of the embodiment of the present invention one, there is shown the state that described coating syringe needle inserts described array plate of shell frame of microphone endoporus, and numerical control working head is prepared to left movement, makes the nearly sidewall to described endoporus of described application needle head rest;
Fig. 3 is the work schematic diagram of the embodiment of the present invention one, there is shown the state of the nearly described endoporus sidewall of described application needle head rest, and numerical control working head setting in motion makes described coating syringe needle move and apply along the sidewall of described endoporus;
Fig. 4 is the work schematic diagram of the embodiment of the present invention one, there is shown described coating syringe needle and constantly rises to form the process of described insulating barrier;
Fig. 5 is the structural representation of the embodiment of the present invention one product that completes;
Fig. 6 is the structural representation of embodiment of the present invention an array board clamp;
Fig. 7 is the structural representation of the embodiment of the present invention one array plate of shell frame of microphone and array board fixture clamp position;
Fig. 8 is the structural representation of prior art array plate of shell frame of microphone; Endoporus in figure is square;
Fig. 9 is the structural representation of prior art array plate of shell frame of microphone; Endoporus ovalize in figure;
Figure 10 is the structural representation of prior art array plate of shell frame of microphone; Endoporus in figure is rounded;
Figure 11 is the structural representation of prior art microphone case;
Figure 12 is the partition structural representation of prior art microphone case;
Figure 13 is the structural representation of prior art microphone casing frame;
Figure 14 is the structural representation of prior art square inner bore microphone casing frame;
Figure 15 is the structural representation of the oval endoporus microphone casing frame of prior art;
Figure 16 is the structural representation of prior art circular inner hole microphone casing frame;
In figure: 1-array plate of shell frame of microphone; 10-case frame; 11-endoporus; 11-endoporus; 12-metal screen layer; 13-insulating barrier; The 131-little ring that insulate; 14-metal circular layer; 2-array board fixture; 21-clamp body; 22-applies and dodges chamber; 23-positioner; 24-clamping device; 3-applies syringe needle; 4-numerical control working head; 5-needle holder; 61-paint feeding pump; 62-numerical control flux control valve; 70-wiring board; 80-capping.
Embodiment
Below in conjunction with drawings and Examples, further set forth the present invention.In the following detailed description, only by the mode of explanation, some one exemplary embodiment of the present invention has been described.Undoubtedly, those of ordinary skill in the art can recognize, without departing from the spirit and scope of the present invention in the situation that, can to described embodiment, revise by various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than for limiting the protection range of claim.
Embodiment mono-: as shown in Figures 1 to 7, insulation layer of array plate of shell frame of microphone manufacture method, comprises the following steps:
The first step is fixed on described array plate of shell frame of microphone 1 on array board fixture 2;
Second step inserts the coating syringe needle of coating insulating varnish 3 endoporus 11 of the uncoated insulating barrier of described array plate of shell frame of microphone 1, and the degree of depth that described coating syringe needle 3 inserts is corresponding with the lower edge of described endoporus 11;
Described in the 3rd step transverse shifting, apply syringe needle 3 to the inwall near described endoporus 11;
The 4th step is sent into insulating varnish in described coating syringe needle 3, makes described coating syringe needle 3 along the inwall circumferential movement of described endoporus 11 simultaneously, forms the little ring 131 of insulation of a sealing;
Described in the 5th step, apply syringe needle 3 certain distance that moves up, then repeat the 4th step, at the inwall of described endoporus 11, form the little ring 131 of a plurality of described insulation, until form the top edge of insulating barrier 13;
The 6th step stops sending into insulating varnish in described coating syringe needle 3, and mobile described coating syringe needle 3 leaves the endoporus 11 having applied;
The 7th step repeats second step to the six steps, until complete the coating of all endoporus 11 insulating barriers 13;
The 8th step is taken off described array plate of shell frame of microphone 1 from described array board fixture 2, and natural drying or heating, drying, completes production.
The height of the little ring 131 of described insulation is by regulating the insulating varnish adding amount of described coating syringe needle 3 and regulating the circular velocity of described coating syringe needle 3 to decide.The next-door neighbour between little ring 131 of insulating described in this method forms described insulating barrier 13.The little ring 131 of described insulation is in paint film forming and dry run, and it is smooth that surface becomes, thereby meet the designing requirement of described insulating barrier 13.Certainly, the little ring 131 of described insulation also can adopt the technical scheme that has each other certain intervals and form described insulating barrier 13.
As shown in Figures 1 to 7, implement the device of said method, comprising:
Numerical control working head 4, comprises horizontal mobile device, longitudinal moving device and vertical mobile device; In the present embodiment, described numerical control working head completes the circumferential coating work of coating syringe needle 3 by programming Control, and numerical control working head adopts the known technology of similar CNC, and at this, it is no longer repeated;
Paint feeding apparatus, is arranged on described numerical control working head 4, comprises paint feeding pump 61, and described paint feeding pump 61 is connected with numerical control flux control valve 62 by pipeline, and described numerical control flux control valve pipe 62 is communicated with the painting hole of described coating syringe needle 3.
Described positioner 23 is for being arranged on the alignment pin on described clamp body 21, and described clamping device 24 is for being arranged on screw rod and the nut on described clamp body 21.
By numerical control trace coated technique, make array plate of shell frame of microphone 1 endoporus 11 inwalls form insulating barrier 13, and the thickness of described insulating barrier 13 and upper and lower edge equidimension are easy to control, can meet design requirement completely, thereby provide the condition that facilitates for the production in enormous quantities of microphone casing frame.
Embodiment bis-: referring to figs. 1 through Fig. 7, the present embodiment and embodiment mono-are basic identical, and difference is:
Described coating syringe needle 3 is around the inwall circumferential movement of described endoporus 11, and make described coating syringe needle 3 progressively move upward simultaneously, form a spiral yarn shaped insulating isolation ring, the two ends up and down of spiral yarn shaped described insulating isolation ring are top edge and the lower limb of corresponding described insulating barrier 13 respectively.Wherein, between described helix, next-door neighbour forms described insulating barrier 13, and described helix is in paint film forming and dry run, and it is smooth, continuous that surface becomes.Certainly, described helix also can adopt the version that has certain intervals and form described insulating barrier 13 each other.
The present embodiment can adopt the device identical with embodiment mono-to implement.
Claims (10)
1. insulation layer of array plate of shell frame of microphone manufacture method, is characterized in that, comprises the following steps:
The first step is fixed on described array plate of shell frame of microphone on array board fixture;
Second step inserts the coating syringe needle of coating insulating varnish the endoporus of the uncoated insulating barrier of described array plate of shell frame of microphone, and the degree of depth that described coating syringe needle inserts is corresponding with the lower edge of described endoporus;
Described in the 3rd step transverse shifting, apply syringe needle to the inwall near described endoporus;
The 4th step is sent into insulating varnish in described coating syringe needle, makes described coating syringe needle along the inwall circumferential movement of described endoporus simultaneously, forms the little ring of insulation of a sealing;
Described in the 5th step, apply the syringe needle certain distance that moves up, then repeat the 4th step, at the inwall of described endoporus, form the little ring of a plurality of described insulation, until form the top edge of insulating barrier;
The 6th step stops sending into insulating varnish in described coating syringe needle, and mobile described coating syringe needle leaves the endoporus having applied;
The 7th step repeats second step to the six steps, until complete the coating of all endoporus insulating barriers;
The 8th step is taken off described array plate of shell frame of microphone from described array board fixture, and natural drying or heating, drying, completes production.
2. insulation layer of array plate of shell frame of microphone manufacture method as claimed in claim 1, is characterized in that, the height of the little ring of described insulation is by regulating the insulating varnish adding amount of described coating syringe needle and/or regulating the circular velocity of described coating syringe needle to decide.
3. insulation layer of array plate of shell frame of microphone manufacture method as claimed in claim 1, is characterized in that, between the little ring of described insulation, next-door neighbour forms described insulating barrier.
4. insulation layer of array plate of shell frame of microphone manufacture method as claimed in claim 1, is characterized in that, the little ring of described insulation has each other certain intervals and forms described insulating barrier.
5. insulation layer of array plate of shell frame of microphone manufacture method, is characterized in that, comprises the following steps:
The first step is fixed on described array plate of shell frame of microphone on array board fixture;
Second step inserts the coating syringe needle of coating insulating varnish the endoporus of the uncoated insulating barrier of described array plate of shell frame of microphone, and the degree of depth that described coating syringe needle inserts is corresponding with the lower edge of described endoporus;
Described in the 3rd step transverse shifting, apply syringe needle to the inwall near described endoporus;
The 4th step is sent into insulating varnish in described coating syringe needle, make described coating syringe needle around the inwall circumferential movement of described endoporus simultaneously, and make described coating syringe needle progressively move upward simultaneously, form a spiral yarn shaped insulating isolation ring, the two ends up and down of spiral yarn shaped described insulating isolation ring are top edge and the lower limb of corresponding described insulating barrier respectively;
The 5th step stops sending into insulating varnish in described coating syringe needle, and mobile described coating syringe needle leaves the endoporus having applied;
The 6th step repeats second step to the five steps, until complete the coating of all endoporus insulating barriers;
The 7th step is taken off described array plate of shell frame of microphone from described array board fixture, and natural drying or heating, drying, completes production.
6. insulation layer of array plate of shell frame of microphone manufacture method as claimed in claim 5, is characterized in that, the height of described insulating isolation ring is by regulating the insulating varnish adding amount of described coating syringe needle and/or regulating the circular velocity of described coating syringe needle to decide.
7. insulation layer of array plate of shell frame of microphone manufacture method as claimed in claim 5, is characterized in that, between described helix, next-door neighbour forms described insulating barrier.
8. insulation layer of array plate of shell frame of microphone manufacture method as claimed in claim 5, is characterized in that, described helix has each other certain intervals and forms described insulating barrier.
9. manufacture the manufacturing device of insulation layer of array plate of shell frame of microphone as described in claim 1 or 5, it is characterized in that, comprising:
Array board fixture, comprises clamp body, and described clamp body is provided with array plate of shell frame of microphone positioner and clamping device, is positioned at described array plate of shell frame of microphone below and is provided with to apply and dodges chamber on described clamp body;
Numerical control working head, comprises horizontal mobile device, longitudinal moving device and vertical mobile device;
Needle holder, is arranged on described numerical control working head;
Coating syringe needle, is arranged in described needle holder;
Paint feeding apparatus, is arranged on described numerical control working head, comprises paint feeding pump, and described paint feeding pump is connected with numerical control flux control valve by pipeline, and described numerical control flux control valve is communicated with the painting hole of described coating syringe needle by pipeline.
10. manufacturing device of insulation layer of array plate of shell frame of microphone as claimed in claim 9, is characterized in that, described positioner is the alignment pin being arranged on described clamp body, and described clamping device is screw rod and the nut being arranged on described clamp body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110202492.9A CN102333251B (en) | 2011-07-20 | 2011-07-20 | Method and device for manufacturing array plate insulation layer of microphone casing frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110202492.9A CN102333251B (en) | 2011-07-20 | 2011-07-20 | Method and device for manufacturing array plate insulation layer of microphone casing frame |
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| CN102333251A CN102333251A (en) | 2012-01-25 |
| CN102333251B true CN102333251B (en) | 2014-01-22 |
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| CN201110202492.9A Expired - Fee Related CN102333251B (en) | 2011-07-20 | 2011-07-20 | Method and device for manufacturing array plate insulation layer of microphone casing frame |
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| CN103200514B (en) * | 2013-02-05 | 2015-07-08 | 王之华 | Microphone casing internal insulation isolation ring manufacturing method |
| CN103929711A (en) * | 2014-04-29 | 2014-07-16 | 潍坊圣荣电声科技有限公司 | Method for manufacturing insulation shell for microphone |
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| GB1471298A (en) * | 1974-12-23 | 1977-04-21 | Foster Electric Co Ltd | Electroacoustic transducer |
| CN100553370C (en) * | 2005-09-16 | 2009-10-21 | 山东共达电声股份有限公司 | Electret capacitor microphone |
| CN101570224A (en) * | 2009-06-10 | 2009-11-04 | 天津市雪豹电动车有限公司 | Motor multifunctional snack vehicle |
| US8438710B2 (en) * | 2009-08-11 | 2013-05-14 | Gang Li | Method of manufacturing a structure with an integrated circuit and a silicon condenser microphone mounted on a single substrate |
| CN101835078A (en) * | 2010-03-29 | 2010-09-15 | 瑞声声学科技(深圳)有限公司 | Silicon microphone and manufacturing method thereof |
| CN201690596U (en) * | 2010-05-31 | 2010-12-29 | 瑞声微电子科技(常州)有限公司 | Silicon-based microphone |
| CN202143207U (en) * | 2011-07-20 | 2012-02-08 | 王之华 | Manufacturing device of insulation layer of array plate of shell frame of microphone |
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