CN106195742A - Silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC - Google Patents
Silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC Download PDFInfo
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- CN106195742A CN106195742A CN201610554046.7A CN201610554046A CN106195742A CN 106195742 A CN106195742 A CN 106195742A CN 201610554046 A CN201610554046 A CN 201610554046A CN 106195742 A CN106195742 A CN 106195742A
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- fpc
- silica gel
- extrusion molding
- soft board
- glue
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
Abstract
The invention discloses a kind of silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC, comprise the following steps: LED lamp bead and other components and parts are attached on FPC soft board by a., and carry out reflow soldering；B. by the way of Lead Free Hand Soldering connects, FPC soft board is welded into long slab；C. the FPC soft board being welded into long slab is carried out aging impact；D. process before the FPC soft board that aging impact is qualified is carried out extrusion molding；E. use solid-state silica gel to coordinate extruded mould that FPC soft board is carried out extrusion molding, then solidify with oven；F. the groove of the FPC soft board after extrusion moulding is carried out at twice dripping glue, and remove bubble with heat gun, then carry out baking-curing；G. for the semi-finished product of step (6), connect tab position from it and cut short, install plug, machine.The present invention can effectively ensure that waterproof and dampproof property, uniformity of luminance and the colour temperature concordance of LED neon lamp belt, has the highest practical value.
Description
Technical field
The present invention relates to a kind of neon lamp belt, specifically, relate to a kind of silica gel extrusion molding point glue LED secondary rainbow based on FPC
Rainbow light bar processing technique.
Background technology
Along with popularizing of LED application, the final product form of LED also presents varied, and some high-end LED produce
Product, have gradually turned to flexible soft lamp product from hard LED product, and LED neon lamp belt is the most representative
A kind of product form.LED neon lamp belt mainly includes shell and circuit board, and circuit board is provided with electronic devices and components and LED
Pearl, whole shell to realize good sealing, it is ensured that waterproof moisture-proof effect, and therefore, the globality of shell is particularly significant, and its material
The toughness of material also wants to reach the flexible requirement of neon lamp belt, and conventional processing technique is difficult to meet LED neon lamp belt
Technical specification.
Summary of the invention
It is an object of the invention to provide a kind of silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC, solve
The problem of LED neon lamp belt processing difficulties in prior art.
To achieve these goals, the technical solution used in the present invention is as follows:
Silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC, comprises the following steps:
A. LED lamp bead and other components and parts are attached on FPC soft board, and carry out reflow soldering；
B. by the way of Lead Free Hand Soldering connects, FPC soft board is welded into long slab；
C. the FPC soft board being welded into long slab is carried out aging impact；
D. process before the FPC soft board that aging impact is qualified is carried out extrusion molding；
E. use solid-state silica gel to coordinate extruded mould that FPC soft board is carried out extrusion molding, then solidify with oven；
F. the groove of the FPC soft board after extrusion moulding is carried out at twice dripping glue, and remove bubble with heat gun, then dry
Roasting solidification；
G. for the semi-finished product of step (6), connect tab position from it and cut short, install plug, then carry out product conformity testing, will
Qualified products packaging warehouse-in, in case selling or using.
Wherein, described step a specifically includes following steps:
A1. at the back side spray printing cognizance code of FPC soft board；
A2. the pad locations at FPC soft board is coated with lead-free tin cream；
A3., after coating lead-free tin cream within 10 minutes, LED lamp bead and other components and parts are mounted on FPC soft board；
A4. put into the FPC soft board mounted to set in the reflow machine of parameter within 2 hours and take out after 8 minutes, advanced
Row range estimation, then connect test fixture and carry out brightness and colour temperature and test；
A5. by antistatic go-cart, the certified products of step a4 are transported to subsequent processing.
Described step b specifically includes following steps:
B1. junction, the FPC soft board two ends brush scaling powder come is carried in step a；
B2. use high temperature lead-free solder silk the pad of FPC soft board junction to be carried out by hand and add stannum；
Again flatiron up to standard for the polylith FPC soft board temperature meeting client's length requirement is welded into long slab；
B3. the FPC soft board outward appearance after welding, its brightness of re-test and colour temperature are checked.
In described step c, the condition of aging impact is for often to light 5 minutes, and power-off 2 minutes, so circulation carry out 24 hours.
Concretely comprising the following steps of described step d:
D1. FPC soft board imposite qualified for aging impact is positioned on the workbench being covered with antistatic skin, carries out a point plate, be divided into
The soft bar of FPC of wall scroll；
D2. every LEDs lamp bead is carried out luminance test, eligible reel；
D3. the bonding agent that model is 600A and 600B is carried out bonding agent preparation according to the ratio of mass ratio 1:1, pour into after shaking up
In bonding agent box, soft for the FPC of reel bar is involved from reel so that it is stem is completely immersed in bonding agent cassette bottom portion, makes bonding agent
Cover all FPC soft bar stem；
D4. soft for the FPC scribbling bonding agent bar stem silica gel solid is scheduled in the belt line of hot oven entrance, opens oven
Traction switch, draws follow-up soft bar and continues infiltration bonding agent, and make the soft bar of FPC infiltrating bonding agent enter oven baking,
Make together with the soft bar of FPC is adhering completely to bonding agent；
D5. reel send into subsequent processing.
Concretely comprising the following steps of described step e:
E1. by Sulfur-Vapor of Lower Temperature agent that white DOW CORNING extrusion molding solid-state silica gel that model is RBB-6300-50 and model are double 24
Prepare according to mass ratio 1000:15, use solid-state silica gel blender to be stirred and overturn, until solid-state silica gel is full and uniform；
E2. the solid-state silica gel stirred is split as requested；
E3. the soft bar of FPC that d5 conveying comes was sent in the extruding machine being provided with extruded mould within 8 hours, and feeding point
The solid-state silica gel cut, opens oven simultaneously and closes and extruding machine, start extrusion molding and baking-curing；
E4. the soft bar of FPC completed by extrusion molding was placed in antistatic frame, in ventilation natural cooling 20 minutes；
E5. test brightness and the colour temperature of LED lamp bead, be then fed into operation next time.
Concretely comprising the following steps of described step f:
F1. it is 1000:5 mixing and stirring by DOW CORNING liquid hot setting silica gel and titanium valve according to mass ratio, and evacuation,
Remove the bubble in glue；
F2. a glue positioning tool is placed horizontally on feed belt, then the soft bar of FPC that the conveying of step e comes is placed in a little
On glue positioning tool, and its stem is made to be positioned at the underface of Glue dripping head；
F3. open point gum machine bar soft to FPC and carry out a glue, then carry out glue curing by oven；
F4. the soft bar of FPC after solidification is placed in antistatic frame, in ventilation natural cooling 20 minutes；
F5. testing brightness and the colour temperature of LED lamp bead, eligible sends into subsequent processing.
Especially, during described step f3, heat gun is also used to remove the bubble in glue.
Described step g method particularly includes: first cut off from company's tab position of the soft bar of FPC, then the upper client of welding uses
Time need union joint or connecting line, re-use the sour glue that model is WR-7516 and install plug, finally at FPC soft bar two ends
Through 2 hours natural air dryings, acid adhesive curing, silica gel extrusion molding point glue LED neon lamp belt based on FPC machined.
Compared with prior art, the method have the advantages that
(1) present invention is based on extrusion process, coordinates oven, while extrusion molding, material is realized solidification, whole processing
Technique realizes semi-automation control, and human cost is low, and working (machining) efficiency is high, and every one manufacturing procedure terminates all to carry out qualification inspection
Look into, substantially increase conforming product rate.
(2) present invention uses high-temp leadless tin cream to carry out paster processing, it is to avoid tin cream fusing in subsequent technique, destroys patch
Sheet effect.
(3) present invention uses high temperature lead-free solder silk when welding, it is to avoid when rear operation such as extrusion molding and some glue, tin cream melts,
Destroy the welding effect of FPC.
(4) present invention adds titanium valve in a glue glue, glue and titanium valve is stirred completely and evacuation, removes
Bubble in glue, this kind of mixing glue ensure that glue is fully cured and makes lamp bead luminescence the softest.
(5) present invention uses secondary gluing process and heat gun to remove bubble, it is possible to effectively prevent the generation of bubble.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, and embodiments of the present invention include but not limited to following reality
Execute example.
Embodiment
LED neon lamp belt processing technique disclosed by the invention, mainly include SMT paster, welding FPC soft board, aging impact,
Processing before extrusion molding, extrusion molding, seven steps such as some glue and testing package etc..
One, SMT paster
Overall process: use stencil printer by high-temp leadless paste solder printing on FPC soft board；Again with chip mounter by LED lamp bead
It is attached to be printed with on the FPC soft board of tin cream with other auxiliary element；Then the FPC soft board after paster is entered by reflow machine
Row reflow soldering；Finally, the semi-finished product after using test fixture test reflow soldering to complete are the most qualified, carry out mark and can flow
To welding sequence.Concrete technology step is as follows:
1. coding: use ink jet numbering machine to stamp cognizance code in FPC soft board back spraying.
2. paste solder printing:
(1) tin paste temperature returning: take out the bottled high-temp leadless tin cream that low temperature 0 15 DEG C preserves from refrigerator, be placed in room temperature 4 little
Time, fully rise again；
(2) viscosity of tin cream stirring: the tin cream after rising again is stirred 3 minutes by solder paste stirrer, fully release tin cream and weldering
Connection function；
(3) paste solder printing: the tin cream after stirring is coated on the pad of FPC soft board by the stencil printer debugged and steel mesh
Position；
(4) tin cream visual inspection: check that tin cream is the most accurately coated on the pad locations of FPC soft board.
Points for attention: the FPC being coated with must carry out paster within 10 minutes.
3.SMT paster:
(1) feeding: by the program debugged on chip mounter, by side light source patch-type 3014LED lamp bead and other auxiliary unit device
Part is arranged on feeder；
(2) SMT paster: start chip mounter, is mounted on coating by side light source patch-type 3014LED lamp bead and other auxiliary element
Have on the FPC soft board of lead-free tin cream；
(3) paster visual inspection: the FPC soft board after paster is completed, check all components and parts whether accurate placement, few patch, leakage patch,
Paste askew, shift, damage part and the attachment pole reversal etc..
4. reflow soldering:
(1) reflow machine parameter is arranged: the temperature of reflow machine 1 12 warm area (include up and down) is respectively set to 150,160,
170,180,180,180,190,210,240,255,255,210 DEG C, chain speed is set to 95cm/min, treats that temperature reaches to arrange and wants
Ask and stablize；
(2) Reflow Soldering feeds intake: paster completes qualified FPC soft board and puts into from the entrance of reflow machine, after 8 minutes, and FPC soft board
Flow out from reflow machine outlet；
(3) furnace rear visual inspection: from reflow machine outlet, FPC soft board is picked up, visually inspect, it is ensured that welding is good, the few part of nothing,
Damage the bad problems such as part, components and parts are reverse, components and parts are crooked, shift, falseness is welded, it is high to float and sets up a monument；
(4) test: connect brightness and the colour temperature of test fixture test FPC soft board according to required voltage, it is ensured that brightness and colour temperature one
Cause.
(5) semi-finished product are placed and transport: the attachment semi-finished product of passed examination are neatly placed in antistatic go-cart transport and arrive
Rhizoma Dioscoreae (peeled) welding sequence, semi-finished product stack the number of plies and not can exceed that 20 layers.
Points for attention: the FPC soft board that all pasters complete must complete reflow soldering within 2 hours.
Two, welding FPC soft board
Overall process: the qualified FPC soft board of attachment is welded into the length (one of customer demand by the mode using Lead Free Hand Soldering to connect
As be 5 meters, 10 meters of 20 meters/bars)；Visual examination and brightness and colour temperature test is carried out after welding.Concrete technology step is as follows:
1. Lead Free Hand Soldering connects:
(1) flatiron temperature is arranged: the flatiron temperature of the constant-temperature soldering station of 60W is set to 360 400 DEG C, and temperature reaches to arrange to be wanted
Ask and stablize；
(2) brush scaling powder: the neat upper scaling powder of junction, imposite FPC soft board two ends brush will be arranged；
(3) welding: use high temperature lead-free solder silk to carry out the pad of junction manual adding stannum, add stannum full after by imposite
FPC soft board order is connected and welds together, when the weld length met customer need, it is necessary to connect sheet in welding.Welding
Time notice that both positive and negative polarity must one_to_one corresponding.
2. visual examination: the solder joint of the FPC soft board after welding is carried out visual examination, it is ensured that without false weldering, cold welding, polarity
Weldering is anti-, floating high, the damage phenomenon such as part and Pad off of solder joint.
3. brightness is tested with colour temperature: the imposite FPC soft board that after welding, visual inspection is qualified carries out bright by special test frock
Degree and colour temperature are tested, it is ensured that brightness is consistent with colour temperature.
Three, aging impact
Aging impact, aging impact condition is carried out on ageing rack needed for the imposite FPC soft board of test passes is connected to product
For often lighting 5 minutes, power-off 2 minutes, such circulation continuous 24 hours.Finally qualified imposite FPC soft board semi-finished product are placed
In antistatic frame, flow to subsequent processing.
Four, process before extrusion molding
Overall process: first aging qualified imposite FPC soft board semi-finished product are carried out point plate reel, then neon lamp belt is adhered to
Upper bonding agent, toasts, and finally the neon lamp belt test passes of attachment bonding agent is post-rolled on big reel.Concrete technology walks
Rapid as follows:
1. point plate: be placed on to be covered with on the workbench of antistatic skin by imposite FPC soft board qualified for aging impact and carry out a point plate, point
Become the soft bar of FPC of wall scroll.
2. luminance test: the soft bar of FPC after point plate by lighting, tests the brightness of each lamp bead, confirm not work without lamp,
The phenomenon of lamp flicker.Whole operation must be handled with care, it is to avoid barbarous operation damages soft bar.
3. reel: soft for the FPC of test passes bar reel is spooled, general 30 meters/volume.
4. bonding agent configuration: the bonding agent that model is 600A and 600B is configured altogether according to the ratio of mass ratio 1:1
800g/ left and right, notices that the bonding agent configured needs to shake uniformly, avoids bonding agent to get eyes or respiratory tract simultaneously.
5. attachment bonding agent:
(1) oven parameter is arranged: the 5 of oven warm areas are set to 170,165,165,165,160 DEG C, and hauling speed sets
It is set to 5, treats that temperature reaches arrange requirement and stablize；
(2) infiltration bonding agent: the bonding agent configured is poured in bonding agent box, soft for the FPC of reel bar is hung in frock
And involve in reel, make FPC soft bar stem be totally immersed in bonding agent cassette bottom portion, make bonding agent that FPC soft bar is completely covered；
(3) baking: the soft bar stem silica gel solid scribbling bonding agent is scheduled in the belt line of hot oven entrance, opens oven
Traction switch, draw follow-up soft bar and continue infiltration bonding agent, and the soft bar of FPC making to infiltrate bonding agent enters baking baking oven
Roasting, make together with the soft bar of FPC is adhering completely to bonding agent；
(4) furnace rear reel: the FPC soft bar reel after baking is rolled from oven exit, general 30 meters/volume；
(5) welding reel: be rolled onto inside big reel after the FPC soft bar test passes of 30 meters/volume, is welded into 240 meters/volume,
The soft bar of traction FPC of 5 meters long in the welding of soft bar stem, adjusts machine when facilitating extrusion molding.
Points for attention: the soft bar of FPC after (1) attachment bonding agent must carry out extrusion molding in 8 hours；(2) remain after configuration
Bonding agent must be poured into the bottle of band bottle cap in and seal, the bonding agent more than 24 hours can not reuse.
Five, extrusion molding
Overall process: after first solid-state silica gel being stirred, then the neon lamp belt of attachment bonding agent by squeezing of having debugged
Mould and oven carry out extrusion molding and solidification, and finally, the neon lamp belt after solidification cools down and tests.Concrete technology step
As follows:
1. extrusion molding parameter is arranged: the 5 of oven warm areas are set to summer 170,165,165,165,160 DEG C, winter 180,
175,175,175,170 DEG C, treat that temperature reaches arrange requirement and stablize, then the extrusion molding speed of extruding machine is adjusted to 8.5(still
Extrusion molding knob can not be opened), the hauling speed of oven is adjusted to 10.
2. glue mixing:
(1) glue is joined: by the Sulfur-Vapor of Lower Temperature that white DOW CORNING extrusion molding solid-state silica gel that model is RBB-6300-50 and model are double 24
Agent is prepared according to mass ratio 1000:15；
(2) refining glue: be stirred with solid-state silica gel blender and overturn, mixing time 15 minutes, make solid-state silica gel full and uniform；
(3) segmentation silica gel: the solid-state silica gel stirred is split according to long 30cm, wide 4cm, high 2cm；
Points for attention: place aerial solid-state silica gel after (1) glue mixing, it is necessary to used in 12 hours, must be again before using
Secondary stir；(2) if do not used for a long time, it is necessary to put into refrigerator cold-storage, and cold preservation time more than 7 days after cannot make
With.
3. extruded mould installation and debugging:
(1) extruding machine is installed: is arranged on by V-type extruded mould on the extruding machine that cleaning is clean, and screws interior external mold, fixing discharging
Mould, then by the traction soft bar of FPC in big reel through the interior mould of V-type extruded mould, then the solid-state silica gel split is led to
Extruding machine is filled up by the Jiao Kou that enters crossing extruding machine；
(2) extruding machine is once debugged: open the extrusion molding knob of extruding machine, makes the soft bar of traction FPC extrude 0.5 meter and i.e. turns off extrusion molding rotation
Button, observes traction FPC soft bar position in solid-state silica gel, regulates discharging mould, in order to make the soft bar of traction FPC at solid-state silica gel
V-shaped groove in position placed in the middle, LED lamp bead is wrapped up by silica gel but surface is not covered by silica gel, and the V-shaped groove of whole solid-state silica gel becomes
Type is good and is close to the soft bar of FPC；
(3) extruding machine secondary debugging: be again turned on extrusion molding knob, allows the traction soft bar of FPC extrude 0.5 meter and i.e. turns off extrusion molding knob,
The final confirmation traction soft bar of FPC is positioned at the middle position in solid-state silica gel V-shaped groove, and LED lamp bead is wrapped up by silica gel but surface does not has
Being covered by silica gel, the V-shaped groove molding of whole solid-state silica gel is good and is close to the soft bar of FPC.
4. extrusion molding and baking-curing:
(1) extrusion molding is started: the bottom of the solid-state silica gel of the parcel traction soft bar of FPC after extrusion is tightly bonded in hot oven entrance
On belt, open traction switch and the extrusion molding knob of extruding machine of oven simultaneously, start extrusion molding；
(2) extrusion molding and baking: the semi-finished product extruded enter oven and carry out baking-curing, examine the silica gel form of extrusion
And the soft bar of FPC and lamp bead position in solid-state silica gel, and it is noticed that whether to need to finely tune extrusion molding knob, it is ensured that at the bottom of the silica gel of extrusion
Portion is close on oven belt and smoothly flows therein oven, and the silica gel of overhanging portion is that straight condition molding are good, silicon
Glue form is full smooth, and molding is completely without dirty, the most placed in the middle in FPC V-shaped groove in solid-state silica gel；
(3) furnace rear visual inspection: furnace rear personnel confirm that when the extrusion molding soft bar fresh baked of traction element silica gel is fully cured, and will solidification
Situation feeds back to extrusion molding personnel, guarantees that the semi-finished product after solidification are fully enclosed in clean antistatic frame simultaneously.
5. test: after extrusion molding completes, by the extrusion molding in-plant stock handling in antistatic frame to ventilation natural cooling 20 points
Clock, extrusion molding semi-finished product, except traction element, are lighted by test fixture, are confirmed all LED lamp bead brightness and colour temperature by cooling rear cutout
Keep consistent.
Six, glue is dripped
Overall process: drip at twice after extrusion molding, in the V-shaped groove of semi-finished product, to make by point gum machine by debugging uniform liquid-state silicon gel
Glue tiling covers on lamp bead surface, and reusable heat air pressure gun removes bubble removing, allows the semi-finished product after dripping glue be delivered to dry by streamline
Oven toasts, and makes glue curing.Concrete technology step is as follows:
1. some glue parameter is arranged: the 5 of oven warm areas are set to summer 170,165,165,165,160 DEG C, winter 180,
175,175,175,170 DEG C, treat that temperature reaches to arrange requirement stable, then the flowing velocity of belt streamline is adjusted to 8(but
It is to start belt streamline), the hauling speed of oven is adjusted to 8, and the temperature of 3 heat guns debugs middle temperature shelves, wind
Speed is adjusted to mid ranger, but does not open heat gun.
2. glue parameter confirms:
Titanium valve, DOW CORNING liquid hot setting silica gel is added in the DOW CORNING liquid hot setting silica gel that model is MS-1002
It is: 1000:5 then to stir and evacuation with the mass ratio of titanium valve, removes the bubble in glue；
3. an adhesive curing:
(1) frock is fixed: is lain in a horizontal plane on belt streamline by a glue positioning tool, and is positioned at the underface of Glue dripping head；
(2) location extrusion molding semi-finished product: the FPC neon lamp belt semi-finished product of extrusion molding test passes are positioned on a glue positioning tool,
Its stem is made to be positioned at the underface of Glue dripping head；
(3) some glue: press a glue start button, streamline starts button and oven traction knob, proceeds by a glue, then
Open the heat gun being fixed on streamline, start to remove bubble, and confirm glue state in V-groove, confirm that glue is equal
Even being laid on FPC soft board, and occupy the 4/5 of V-groove height, glue bubble-free and surfacing are smooth.While for dispensing glue,
Positioning tool is added to streamline, and soft for FPC bar is fixed in positioning tool；
(4) solidification: the soft bar of FPC after some glue enters oven under the traction of oven and belt streamline and carries out glue admittedly
Change；
(5) furnace rear visual inspection: when the soft bar after solidification is come out of the stove, confirms that liquid-state silicon gel is fully cured, then is fully enclosed clean
In antistatic frame.
4. test: after a glue completes, the semi-finished product in antistatic frame are transferred to ventilation natural cooling 20 minutes, cold
LED lamp bead being lighted the most afterwards, confirm that the brightness of all LED lamp bead is consistent with colour temperature, luminescence is the softest, is then sent to down
One operation.
Seven, testing package
Light product, position can be cut cut off from connecting sheet, the connecting line of customer demand or union joint in welding, and use
Model is that the sour glue of WR-7516 installs plug at neon lamp belt two ends, eventually passes 2 hours natural air dryings, acid adhesive curing, one
Bar silica gel extrusion molding point glue soft bar finished product just machines.
The present invention uses brand-new processing technique, it is achieved that the automatic processing of LED neon lamp belt, and artificial and test work
The dual qualification detection of dress, not only working (machining) efficiency is high, low cost, and can effectively ensure that the waterproof anti-of LED neon lamp belt
Tide, uniformity of luminance and colour temperature concordance, have the highest practical value and using value.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as using
The design principle of the present invention, and carry out non-creativeness work on this basis and the change made, all should belong to the present invention's
Within protection domain.
Claims (9)
1. silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC, it is characterised in that comprise the following steps:
A. LED lamp bead and other components and parts are attached on FPC soft board, and carry out reflow soldering；
B. by the way of Lead Free Hand Soldering connects, FPC soft board is welded into long slab；
C. the FPC soft board being welded into long slab is carried out aging impact；
D. process before the FPC soft board that aging impact is qualified is carried out extrusion molding；
E. use solid-state silica gel to coordinate extruded mould that FPC soft board is carried out extrusion molding, then solidify with oven；
F. the groove of the FPC soft board after extrusion moulding is carried out at twice dripping glue, and remove bubble with heat gun, then dry
Roasting solidification；
G. for the semi-finished product of step (6), connect tab position from it and cut short, install plug, then carry out product conformity testing, will
Qualified products packaging warehouse-in, in case selling or using.
Silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC the most according to claim 1, it is characterised in that
Described step a specifically includes following steps:
A1. at the back side spray printing cognizance code of FPC soft board；
A2. the pad locations at FPC soft board is coated with lead-free tin cream；
A3., after coating lead-free tin cream within 10 minutes, LED lamp bead and other components and parts are mounted on FPC soft board；
A4. the FPC soft board mounted was put within 2 hours in the reflow machine setting parameter, from exit after 8 minutes
Take out, first estimate, then connect test fixture and carry out brightness and colour temperature and test；
A5. by antistatic go-cart, the certified products of step a4 are transported to subsequent processing.
Silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC the most according to claim 2, it is characterised in that
Described step b specifically includes following steps:
B1. the FPC soft board two ends come in the conveying of step a connect brush scaling powder at pad；
B2. use high temperature lead-free solder silk the pad of FPC soft board junction to be carried out by hand and add stannum；
Again flatiron up to standard for the polylith FPC soft board temperature meeting client's length requirement is welded into long slab；
B3. the FPC soft board outward appearance after welding, its brightness of re-test and colour temperature are checked.
Silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC the most according to claim 3, it is characterised in that
In described step c, the condition of aging impact is for often to light 5 minutes, and power-off 2 minutes, so circulation carry out 24 hours.
Silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC the most according to claim 4, it is characterised in that
Concretely comprising the following steps of described step d:
D1. FPC soft board imposite qualified for aging impact is positioned on the workbench being covered with antistatic skin, carries out a point plate, be divided into
The soft bar of FPC of wall scroll；
D2. every LEDs lamp bead is carried out luminance test, eligible reel；
D3. the bonding agent that model is 600A and 600B is carried out bonding agent preparation according to the ratio of mass ratio 1:1, pour into after shaking up
In bonding agent box, soft for the FPC of reel bar is involved from reel so that it is stem is completely immersed in bonding agent cassette bottom portion, makes bonding agent
Cover all FPC soft bar stem；
D4. soft for the FPC scribbling bonding agent bar stem silica gel solid is scheduled in the belt line of hot oven entrance, opens oven
Traction switch, draws follow-up soft bar and continues infiltration bonding agent, and make the soft bar of FPC infiltrating bonding agent enter oven baking,
Make together with the soft bar of FPC is adhering completely to bonding agent；
D5. reel send into subsequent processing.
Silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC the most according to claim 5, it is characterised in that
Concretely comprising the following steps of described step e:
E1. by Sulfur-Vapor of Lower Temperature agent that white DOW CORNING extrusion molding solid-state silica gel that model is RBB-6300-50 and model are double 24
Prepare according to mass ratio 1000:15, use solid-state silica gel blender to be stirred and overturn, until solid-state silica gel is full and uniform；
E2. the solid-state silica gel stirred is split as requested；
E3. the soft bar of FPC that d5 conveying comes was sent in the extruding machine being provided with extruded mould within 8 hours, and feeding point
The solid-state silica gel cut, opens oven switch and extruding machine simultaneously, starts extrusion molding and baking-curing；
E4. the soft bar of FPC completed by extrusion molding was placed in antistatic frame, in ventilation natural cooling 20 minutes；
E5. test brightness and the colour temperature of LED lamp bead, be then fed into subsequent processing.
Silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC the most according to claim 6, it is characterised in that
Concretely comprising the following steps of described step f:
F1. it is 1000:5 mixing and stirring by DOW CORNING liquid hot setting silica gel and titanium valve according to mass ratio, and evacuation,
Remove the bubble in glue；
F2. a glue positioning tool is placed horizontally on feed belt, then the soft bar of FPC that the conveying of step e comes is placed in a little
On glue positioning tool, and its stem is made to be positioned at the underface of Glue dripping head；
F3. open point gum machine bar soft to FPC and carry out a glue, then carry out glue curing by oven；
F4. the soft bar of FPC after solidification is placed in antistatic frame, in ventilation natural cooling 20 minutes；
F5. testing brightness and the colour temperature of LED lamp bead, eligible sends into subsequent processing.
Silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC the most according to claim 7, it is characterised in that
During described step f3, heat gun is also used to remove the bubble in glue.
9., according to the silica gel extrusion molding point glue LED neon lamp belt processing technique based on FPC described in claim 7 or 8, its feature exists
In, described step g method particularly includes: first cut off from company's tab position of the soft bar of FPC, needs when then the upper client of welding uses
Union joint or connecting line, re-use the sour glue that model is WR-7516 and install plug at FPC soft bar two ends, eventually pass 2 little
Time natural air drying, acid adhesive curing, silica gel extrusion molding point glue LED neon lamp belt based on FPC machines.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610554046.7A CN106195742B (en) | 2016-07-15 | 2016-07-15 | Silica gel extrusion molding dispensing LED neon lamp belt processing technologys based on FPC |
| PCT/CN2016/090344 WO2018010188A1 (en) | 2016-07-15 | 2016-07-18 | Fpc silicone rubber extrusion molding and spot dispensing processing technique for neon led light strip |
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| CN201610554046.7A CN106195742B (en) | 2016-07-15 | 2016-07-15 | Silica gel extrusion molding dispensing LED neon lamp belt processing technologys based on FPC |
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| CN106195742A true CN106195742A (en) | 2016-12-07 |
| CN106195742B CN106195742B (en) | 2018-07-20 |
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| WO (1) | WO2018010188A1 (en) |
Cited By (3)
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| CN108682644A (en) * | 2018-06-15 | 2018-10-19 | 佛山宝芯智能科技有限公司 | A kind of semiconductor prosthetic full-automatic assembly line work production method and system |
| CN108692206A (en) * | 2018-05-22 | 2018-10-23 | 东莞市豪顺精密科技有限公司 | A kind of production technology of direct-type backlight LED light bar |
| WO2019024020A1 (en) * | 2017-08-02 | 2019-02-07 | 深圳市千岸科技有限公司 | Novel silicone cold extrusion light strip and processing method |
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| US10534084B2 (en) | 2017-07-27 | 2020-01-14 | Blackmore Sensors & Analytics, Llc | Method and system for using square wave digital chirp signal for optical chirped range detection |
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| CN106195742B (en) | 2018-07-20 |
| WO2018010188A1 (en) | 2018-01-18 |
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