CN104741721A - Welding process of flexible circuit board and voice coil motor pin - Google Patents
Welding process of flexible circuit board and voice coil motor pin Download PDFInfo
- Publication number
- CN104741721A CN104741721A CN201510169815.7A CN201510169815A CN104741721A CN 104741721 A CN104741721 A CN 104741721A CN 201510169815 A CN201510169815 A CN 201510169815A CN 104741721 A CN104741721 A CN 104741721A
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- voice coil
- coil motor
- fpc
- motor pin
- clamping plate
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Abstract
The invention provides a welding process of a flexible circuit board and a voice coil motor pin. The process comprises the steps of: a, arranging the flexible circuit board and a plurality of camera die sets adhered with a base into a clamp in advance, wherein the voice coil motor pin exposed from each camera die set base is correspondingly in contact with the welding position on the flexible circuit board; arranging the clamp to a processing station of a dispensing device, and dropping solder paste to the position corresponding to each voice coil motor pin through the dispensing device; C, moving the whole clamp dropped with the solder paste in step b to a soldering device, wherein a solder tip of the soldering device is in contact with each voice coil motor pin with the solder paste; melting the solder paste to achieve welding of each voice coil motor pin and the flexible circuit board; d, removing the clamp from the soldering device, opening the clamp, moving out the die sets, and then finishing the whole welding process. The welding process has the characteristics of being convenient to operate, high in preparation efficiency, and good in product quality.
Description
Technical field
The present invention relates to mobile phone camera module preparing technical field, particularly relate to the welding procedure of a kind of FPC and voice coil motor pin.
Background technology
Along with intelligent artifact more and more popularly enters the life of people, for mobile phone, mobile phone not only as means of communication, and shoulders more function gradually, and one of them is shoot function.When the architectural feature that pursuit mobile phone products is frivolous, also need mobile phone shooting effect better, in some mobile phones, be also configured with zoom function.
The zoom function of camera device of mobile phone is realized by the voice coil motor be arranged in zoom module, its structure is that the base in zoom module installs a voice coil motor, the pin of voice coil motor and FPC (abbreviation FPC) are welded to connect, worked for electric drive voice coil motor by FPC, adjust the distance between camera lens by voice coil motor thus reach zoom function.
In preparation process, usually adopt pin and the FPC of the method welding voice coil motor of artificial hand weldering, namely pin is welded on FPC by manual solder stick and the solder horn of using.
Due to the lightening requirement of mobile phone volume, the volume of zoom module itself is just very little, therefore, the mode of operation of manual welding voice coil motor pin and FPC not only wastes time and energy, and be difficult to the qualification rate ensureing product, cause product quality not high, camera module output and yield are all very limited.
Therefore, not enough for prior art, provide the welding procedure of a kind of FPC and voice coil motor pin very necessary to overcome prior art deficiency.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art part and the welding procedure that FPC and voice coil motor pin are provided, there is easy to operate, that preparation efficiency is high, product quality is good feature.
Object of the present invention is realized by following technical measures.
A welding procedure for FPC and voice coil motor pin, comprises the steps:
A. will in advance FPC and the bonding multiple camera modules of base are placed in fixture, the voice coil motor pin that each camera module base is exposed contacts with the welding position on FPC is corresponding;
B. fixture is inserted the machining position of spot gluing equipment, tin cream drips in voice coil motor pin correspondence position by spot gluing equipment;
C. fixture step b being dripped tin cream moves integrally to tin-soldering device, and the solder horn of tin-soldering device has the voice coil motor pins contact of tin cream with point, and is melted by tin cream, realizes welding of voice coil motor pin and FPC;
D. fixture is taken off from tin-soldering device, open fixture, take out module, complete whole welding procedure.
It is bonding that above-mentioned steps a specifically passes through black glue FPC and base in advance.
Above-mentioned fixture is provided with substrate and at least one group of grip unit, and described grip unit is fixed on described substrate.
Often organize grip unit and be provided with the first clamping plate, the second clamping plate and end retaining mechanism, described first clamping plate are provided with the multiple fitting recess matched with camera modular structure, described second clamping plate are provided with the multiple buffer gears corresponding with described fitting recess, described end retaining mechanism is assemblied in the two ends of described first clamping plate, the second clamping plate, and described first clamping plate, described second clamping plate are by the locking of described end retaining mechanism or open.
Above-mentioned first clamping plate are provided with locating hole, and the locating dowel of camera modular structure base is inserted in described locating hole.
Above-mentioned buffer gear is set to cushion rubber bumper.
Above-mentioned solder horn is provided with working face and end face, and described end face is positioned at the apical position of described solder horn, and described end face has even curface, and the end of described working face is crossing with described end face, the axes intersect of described working face and described solder horn.
Preferably, above-mentioned solder horn is provided with two working faces, two working faces symmetrically structure distribution in described solder horn.
The above-mentioned working face intersection crossing with described end face is respectively L1, L2, and the distance between L1 and L2 is H, and the spacing between two other line L3, L4 of non-L1, L2 of described working face is that the scope of W, H is set to
The scope of 0.6 to 1.0mm, W is set to 0.8 to 1.2mm.
Preferably, H is set to 0.8mm, and W is set to 1.0mm.
The welding procedure of FPC provided by the invention and voice coil motor pin, comprise the steps: that a. will be placed in FPC and the bonding multiple camera modules of base in fixture in advance, the voice coil motor pin that each camera module base is exposed contacts with the welding position on FPC is corresponding; B. fixture is inserted the machining position of spot gluing equipment, tin cream drips in voice coil motor pin correspondence position by spot gluing equipment; C. fixture step b being dripped tin cream moves integrally to tin-soldering device, and the solder horn of tin-soldering device has the voice coil motor pins contact of tin cream with point, and is melted by tin cream, realizes welding of voice coil motor pin and FPC; D. fixture is taken off from tin-soldering device, open fixture, take out module, complete whole welding procedure.The welding procedure of FPC of the present invention and voice coil motor pin, adopt tin cream as the medium welding FPC and base voice coil motor pin, use existing spot gluing equipment, tin-soldering device realizes FPC and the automatic welding of base voice coil motor pin, have that efficiency is high, product quality is good, and feature with low cost; Utilize tin cream points of engagement gluing equipment can realize putting tin cream at a high speed, significantly shorten staff and adopt solder stick to melt the time of tin, significantly improve the precision of some tin, and the waste of material can be reduced; Special iron head accurately can complete scolding tin.Therefore welding procedure of the present invention has easy to operate, that preparation efficiency is high, product quality is good feature.
Accompanying drawing explanation
The present invention is further illustrated to utilize accompanying drawing, but the content in accompanying drawing does not form any limitation of the invention.
Fig. 1 is that a kind of FPC of being suitable for of the present invention and voice coil motor pin need welded structure schematic diagram.
Fig. 2 is the decomposition texture schematic diagram of Fig. 1.
Fig. 3 is that a kind of FPC of being suitable for of the present invention and voice coil motor pin need welded structure schematic diagram.
Fig. 4 is the structural representation of the fixture that the welding method of a kind of FPC of the present invention and voice coil motor pin uses.
Fig. 5 is the structural representation of a grip unit of Fig. 4 fixture.
Fig. 6 is the structural representation of the solder horn that the welding method of a kind of FPC of the present invention and voice coil motor pin uses.
Fig. 7 is another structural representation of the solder horn that the welding method of a kind of FPC of the present invention and voice coil motor pin uses.
Fig. 8 is the A district enlarged diagram of Fig. 7.
In Fig. 1 to Fig. 8, comprising:
Fixture 100,
Substrate 110,
Grip unit 120,
First clamping plate 121,
Second clamping plate 122, buffer gear 1221,
End retaining mechanism 123,
Solder horn 200,
Working face 210, end face 220,
Base 300, FPC 400, voice coil motor pin 500.
Detailed description of the invention
The invention will be further described with the following Examples.
embodiment 1.
The present embodiment provides the welding procedure of a kind of FPC and voice coil motor pin, and this technique prepares the technique that voice coil motor pin 500 that mobile phone etc. has the zoom module of smaller size smaller welds with FPC 400.The structure of zoom module does not repeat them here, voice coil motor is assemblied in base 300, voice coil motor pin 500 part to be welded exposes base 300, need the pin 500 exposed to weld with correspondence position on FPC, Fig. 1, Fig. 2 and Fig. 3 illustrate two kinds of voice coil motor pins 500 and FPC welded structure.
The FPC of the present embodiment and the welding procedure of voice coil motor pin, specifically comprise the steps:
A. will in advance multiple camera modules bonding to FPC 400 and base 300 are placed in fixture 100, the voice coil motor pin 500 that each camera module base 300 is exposed contacts with the welding position on FPC is corresponding.Concrete, it is bonding that step a specifically passes through black glue FPC and base 300 in advance.
B. fixture 100 is inserted the machining position of spot gluing equipment, tin cream drips in voice coil motor pin 500 correspondence position by spot gluing equipment.
As shown in Figure 4, Figure 5, fixture 100 is provided with substrate 110 and at least one group of grip unit 120 to involved fixture 100 structure, and grip unit 120 is fixed on substrate 110.
Often organize grip unit 120 and be provided with the first clamping plate 121, second clamping plate 122 and end retaining mechanism 123, first clamping plate 121 are provided with the multiple fitting recess matched with camera modular structure, second clamping plate 122 are provided with the multiple buffer gears 1221 corresponding with fitting recess, end retaining mechanism 123 is assemblied in the two ends of described first clamping plate 121, second clamping plate 122, and the first clamping plate 121, second clamping plate 122 are locked by described end retaining mechanism 123 or opened.
First clamping plate 121 are provided with locating hole, and the locating dowel of camera modular structure base 300 is inserted in locating hole.Buffer gear 1221 is set to cushion rubber bumper.
Fixture 100 is arranged especially in order to this welding procedure, by base 300 with FPC in advance by black glue bond, then open fixture 100 and base 300 is put into fitting recess, the locating dowel of base 300 is inserted in locating hole simultaneously, cushion rubber bumper is corresponding with fitting recess position, cushion pad and FPC abut against, and realize the location to base 300, FPC, to ensure stablizing in follow-up some tin, scolding tin process.
As general knowledge known in this field, spot gluing equipment has can carry out space X, Y, Z tri-travel mechanism more than axle or three axles, and to be moved by a Jiao Zui with points of engagement glue position, meanwhile, spot gluing equipment also has the function of control point glue amount.The structure of spot gluing equipment does not repeat them here.
Step c is entered after some glue.
C. the fixture 100 step b being dripped tin cream moves integrally to tin-soldering device, and the solder horn 200 of tin-soldering device has the voice coil motor pin 500 of tin cream to contact with point, and is melted by tin cream, realizes welding of voice coil motor pin 500 and FPC.
D. fixture 100 is taken off from tin-soldering device, open fixture 100, take out module, complete whole welding procedure.
As general knowledge known in this field, tin-soldering device has can carry out space X, Y, Z tri-travel mechanism more than axle or three axles, and solder horn to be moved to corresponding welding position, meanwhile, tin-soldering device also has the function controlling solder horn temperature.The structure of tin-soldering device does not repeat them here.
The solder horn 200 of step C is provided with working face 210 and end face 220, and end face 220 is positioned at the apical position of solder horn 200, and end face 220 has even curface, and the end of working face 210 is crossing with end face 220, the axes intersect of working face 210 and solder horn 200.When end face 220 is convenient to welding, voice coil motor pin 500 and base 300 position to be welded can be coordinated to have dented structure, end face 220 can with this respective outer side edges, accurately promptly by melts soldering tin, can have the advantages that welding precision is high, the operating time is short, easy to operate.
Solder horn 200 is preferably provided with two working faces 210, as shown in Figure 6, Figure 7, two working faces 210 symmetrically structure distribution in solder horn 200, with handled easily.As shown in Figure 8, working face 210 intersection crossing with end face 220 is respectively L1, L2, and the distance between L1 and L2 is H, and the spacing between two other line L3, L4 of non-L1, L2 of working face 210 is W.Line L3, L4 are camber line, and spacing therebetween refers to the ultimate range between be parallel to each other two tangent lines crossing L3, L4 respectively.The scope of H is set to 0.6 to 1.0mm, and the scope of W is set to 0.8 to 1.2mm.Preferably, H is set to 0.8mm, and W is set to 1.0mm.The planar design of end face 220, contacts easily and effectively, is convenient to solder horn 200 heat and effectively transmits.
It should be noted that, the working face 210 of solder horn 200 is also not limited to two of the present embodiment, also can arrange flexibly according to specific needs, and corresponding end face 220 is the corresponding adjustment according to the change of working face 210 also.
The welding procedure of FPC of the present invention and voice coil motor pin, adopt tin cream as the medium welding FPC and base 300 voice coil motor pin 500, use existing spot gluing equipment, tin-soldering device realizes FPC and the automatic welding of base 300 voice coil motor pin 500, have that efficiency is high, product quality is good, and feature with low cost.Utilize tin cream points of engagement gluing equipment can realize putting tin cream at a high speed, significantly shorten staff and adopt solder stick to melt the time of tin, significantly improve the precision of some tin, and the waste of material can be reduced.Special iron head 200 accurately can complete scolding tin.Therefore welding procedure of the present invention has easy to operate, that preparation efficiency is high, product quality is good feature.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although be explained in detail the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (10)
1. a welding procedure for FPC and voice coil motor pin, is characterized in that: comprise the steps:
A. will in advance FPC and the bonding multiple camera modules of base are placed in fixture, the voice coil motor pin that each camera module base is exposed contacts with the welding position on FPC is corresponding;
B. fixture is inserted the machining position of spot gluing equipment, tin cream drips in voice coil motor pin correspondence position by spot gluing equipment;
C. fixture step b being dripped tin cream moves integrally to tin-soldering device, and the solder horn of tin-soldering device has the voice coil motor pins contact of tin cream with point, and is melted by tin cream, realizes welding of voice coil motor pin and FPC;
D. fixture is taken off from tin-soldering device, open fixture, take out module, complete whole welding procedure.
2. the welding procedure of FPC according to claim 1 and voice coil motor pin, is characterized in that: it is bonding that described step a specifically passes through black glue FPC and base in advance.
3. the welding procedure of FPC according to claim 2 and voice coil motor pin, is characterized in that: described fixture is provided with substrate and at least one group of grip unit, and described grip unit is fixed on described substrate.
4. the welding procedure of FPC according to claim 3 and voice coil motor pin, it is characterized in that: often organize grip unit and be provided with the first clamping plate, the second clamping plate and end retaining mechanism, described first clamping plate are provided with the multiple fitting recess matched with camera modular structure, described second clamping plate are provided with the multiple buffer gears corresponding with described fitting recess, described end retaining mechanism is assemblied in the two ends of described first clamping plate, the second clamping plate, and described first clamping plate, described second clamping plate are by the locking of described end retaining mechanism or open.
5. the welding procedure of FPC according to claim 4 and voice coil motor pin, is characterized in that: described first clamping plate are provided with locating hole, and the locating dowel of camera modular structure base is inserted in described locating hole.
6. the welding procedure of FPC according to claim 4 and voice coil motor pin, is characterized in that: described buffer gear is set to cushion rubber bumper.
7. the welding procedure of the FPC according to claim 1-6 any one and voice coil motor pin, it is characterized in that: described solder horn is provided with working face and end face, described end face is positioned at the apical position of described solder horn, described end face has even curface, the end of described working face is crossing with described end face, the axes intersect of described working face and described solder horn.
8. the welding procedure of FPC according to claim 7 and voice coil motor pin, is characterized in that: described solder horn is provided with two working faces, two working faces symmetrically structure distribution in described solder horn.
9. the welding procedure of FPC as claimed in claim 8 and voice coil motor pin, it is characterized in that: the described working face intersection crossing with described end face is respectively L1, L2, distance between L1 and L2 is H, the spacing between two other line L3, L4 of non-L1, L2 of described working face is that the scope of W, H is set to
The scope of 0.6 to 1.0mm, W is set to 0.8 to 1.2mm.
10. the welding procedure of FPC as claimed in claim 9 and voice coil motor pin, it is characterized in that: H is set to 0.8mm, W is set to 1.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169815.7A CN104741721B (en) | 2015-04-13 | 2015-04-13 | Welding process of flexible circuit board and voice coil motor pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169815.7A CN104741721B (en) | 2015-04-13 | 2015-04-13 | Welding process of flexible circuit board and voice coil motor pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104741721A true CN104741721A (en) | 2015-07-01 |
| CN104741721B CN104741721B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510169815.7A Active CN104741721B (en) | 2015-04-13 | 2015-04-13 | Welding process of flexible circuit board and voice coil motor pin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106655652A (en) * | 2016-11-14 | 2017-05-10 | 信利光电股份有限公司 | Assembling structure and assembling method for carrier, coil and lower spring of voice coil motor, and voice coil motor |
| CN108381004A (en) * | 2018-05-15 | 2018-08-10 | 安徽精度光学科技有限公司 | A kind of camera module VCM welds fume extractor manually |
| CN117381214A (en) * | 2023-12-11 | 2024-01-12 | 上海信迈电子科技有限公司 | Camera module SMA motor laser welding tool |
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| CN101144890A (en) * | 2007-10-31 | 2008-03-19 | 无锡凯尔科技有限公司 | Automatic microdistance regulation type mobile phone camera module group assembling process |
| CN101149458A (en) * | 2007-10-31 | 2008-03-26 | 无锡凯尔科技有限公司 | Chip packaged fixed focus focusing-free imaging module processing method |
| US20110063495A1 (en) * | 2009-09-15 | 2011-03-17 | Largan Precision Co., Ltd. | Photographing module |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101140345A (en) * | 2006-09-08 | 2008-03-12 | 比亚迪股份有限公司 | Method and special fixture for compensating UV gum in Mobile telephone CCD camera assembling process |
| CN101144890A (en) * | 2007-10-31 | 2008-03-19 | 无锡凯尔科技有限公司 | Automatic microdistance regulation type mobile phone camera module group assembling process |
| CN101149458A (en) * | 2007-10-31 | 2008-03-26 | 无锡凯尔科技有限公司 | Chip packaged fixed focus focusing-free imaging module processing method |
| US20110063495A1 (en) * | 2009-09-15 | 2011-03-17 | Largan Precision Co., Ltd. | Photographing module |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655652A (en) * | 2016-11-14 | 2017-05-10 | 信利光电股份有限公司 | Assembling structure and assembling method for carrier, coil and lower spring of voice coil motor, and voice coil motor |
| CN106655652B (en) * | 2016-11-14 | 2020-06-05 | 信利光电股份有限公司 | Carrier, coil and lower elastic sheet assembly structure and method and voice coil motor |
| CN108381004A (en) * | 2018-05-15 | 2018-08-10 | 安徽精度光学科技有限公司 | A kind of camera module VCM welds fume extractor manually |
| CN117381214A (en) * | 2023-12-11 | 2024-01-12 | 上海信迈电子科技有限公司 | Camera module SMA motor laser welding tool |
| CN117381214B (en) * | 2023-12-11 | 2024-03-19 | 上海信迈电子科技有限公司 | Camera module SMA motor laser welding tool |
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| CN104741721B (en) | 2017-04-12 |
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