CN205702762U - A kind of Multifunctional reflux welder - Google Patents
A kind of Multifunctional reflux welder Download PDFInfo
- Publication number
- CN205702762U CN205702762U CN201620408443.9U CN201620408443U CN205702762U CN 205702762 U CN205702762 U CN 205702762U CN 201620408443 U CN201620408443 U CN 201620408443U CN 205702762 U CN205702762 U CN 205702762U
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- warm area
- upper furnace
- furnace
- board
- outer housing
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Abstract
nullThe open a kind of Multifunctional reflux welder of this utility model，Including Reflow Soldering board，The upper plane back edge of Reflow Soldering board is provided with a welding machine platform lid that can open and close，The upper plane of Reflow Soldering board is provided with can be with the product pipeline of adjustment width，The first lower furnace and the second lower furnace it is sequentially provided with from left to right in Reflow Soldering board，In welding machine platform lid, the position of corresponding first lower furnace is provided with the first warm area upper furnace of convulsion，In welding machine platform lid, the position of corresponding second lower furnace is provided with the second warm area upper furnace of downward blowing hot-air or cold wind，First warm area upper furnace and the first lower furnace form the first warm area，Second warm area upper furnace and the second lower furnace form the second warm area，Product pipeline is positioned at the position of the first warm area and the second warm area and is provided with for cold wind and hot blast being separated、And the screen that can stretch or shorten，Reflow Soldering board is provided with Human-machine Control interface，A cooling zone it is additionally provided with on Reflow Soldering board，The the second warm area upper furnace heating wire individually controlling heating it is provided with in second warm area upper furnace.This product can realize the welding of SMT plate and PCB plate through hole welding function.
Description
Technical field
This utility model relates to welding equipment of circuit board, particularly to a kind of Multifunctional reflux welder.
Background technology
At present, in the solder technology of circuit board, the welding equipment generally used is " wave-soldering ", and wave-soldering is to pass through stannum
Groove, by tin bar melt into liquid, utilizes motor agitation to form crest, allows PCB weld with component, be commonly used in the weldering of hands plug-in unit
Connect the glue plate with smt.Reflow welding is used primarily in SMT industry, and it is conducted by hot blast or other heat radiations, will be printed on PCB
On tin cream fusing weld with component.But the Baking out mode of this kind of wave-soldering is to there are some defects: 1, crest
Scaling powder is first sprayed in weldering, then through preheating, welding, cooling zone.Reflow Soldering through preheating zone, recirculating zone, cooling zone.It addition, ripple
Peak weldering is applicable to hands plate and some offset plate, and requires that all elements are heat-resisting, and crossing crest surface cannot have the unit of SMT tin cream
Part, the plank of SMT tin cream just may only cross Reflow Soldering, it is not possible to uses wave-soldering.2, weld defect is many, after back segment detects, as
Fruit finds solder skip, then need artificial repair welding, and manual labor amount is big.3, the components and parts heatproof degree needed is high.4, the waste energy, often
The substantial amounts of soldering tin bar of daily consumption and scaling powder.
Utility model content
The purpose of this utility model is the drawbacks described above for prior art, it is provided that a kind of heating that can make product process
The temperature difference in space is maintained at a peak value, temperature difference fluctuation will not be made too big, be easily controlled temperature, and can realize SMT
Plate welding and the Multifunctional reflux welder of PCB plate through hole welding function.
For solving the drawbacks described above of prior art, the technical scheme that this utility model provides is: a kind of Multifunctional reflux weldering
Device, including Reflow Soldering board, the upper plane back edge of described Reflow Soldering board is provided with a welding machine that can open and close
Platform lid, the upper plane of described Reflow Soldering board is provided with can be with the product pipeline of adjustment width, by a left side in described Reflow Soldering board
It is sequentially provided with to the right at least one upwards the first lower furnace of blowing hot-air and at least one second lower furnace upwards blown, described weldering
In board lid, the position of corresponding first lower furnace is provided with the first warm area upper furnace of convulsion, corresponding described in described welding machine platform lid
The position of the second lower furnace is provided with the second warm area upper furnace of downward blowing hot-air or cold wind, described first warm area upper furnace and first
Lower furnace forms the first warm area, and described second warm area upper furnace and the second lower furnace form the second warm area, described product pipeline
The position being positioned at described first warm area and described second warm area is provided with for cold wind and hot blast being separated and can stretch or shorten
Screen, Reflow Soldering board is equipped with temperature in being provided with Human-machine Control interface, described first warm area and described second warm area
Sensor, is provided with gas analyzer for O2 in described Reflow Soldering board, described Reflow Soldering board is additionally provided with a cooling zone, and described second
Be provided with the second warm area upper furnace heating wire individually controlling heating in warm area upper furnace, described second warm area upper furnace heating wire by
Described Human-machine Control interface individually controls heating or stops heating.
As a kind of improvement of this utility model Multifunctional reflux welder, described first lower furnace includes outside lower furnace
Cover, lower furnace inner bag and two lower ventilating boards, be provided with flue connecting plate and multiple heating wire fix seat in described lower furnace outer housing,
Described lower furnace inner bag is arranged on described flue connecting plate, and multiple described heating wires are fixed seat and are fixed with at least one simultaneously
Heated filament, the two ends of described heating wire are connected to described lower furnace outer housing both sides, are provided with leeward in the cavity of described lower furnace inner bag
Wheel fan housing, is stamped heating board, described lower heating board is interval with several at the cavities open of described lower furnace inner bag
Exhaust vent, two described lower ventilating boards are separately mounted to the both sides of described lower furnace outer housing, and the middle part of described lower furnace outer housing sets
There is lower furnace blower fan.
As a kind of improvement of this utility model Multifunctional reflux welder, during the work of described lower furnace blower fan, will heating
Air after silk heating is sent in the cavity of lower furnace inner bag, after the cavity of described lower furnace inner bag, described issues
The through hole of hot plate flows out, and cannot continue to rise owing to being separated by screen between lower heating board and described first warm area upper furnace,
Hot-air flows in the cavity of lower furnace outer housing again, described heating wire again heat Posterior circle and utilize.
As a kind of improvement of this utility model Multifunctional reflux welder, described first warm area upper furnace includes on first
Ventilating board on flue outer housing, the first upper furnace inner bag and two first, is provided with first in the cavity of described first upper furnace outer housing
Upper furnace connecting plate, the first upper furnace that described first upper furnace inner bag is arranged in the cavity of described first upper furnace outer housing is even
On fishplate bar, the cavities open of described first upper furnace inner bag being stamped heating board on first, on described first, heating board is provided with
Several exhaust vents, on two described first, ventilating board is separately positioned on the both sides of described first upper furnace outer housing, and described first
The middle part of upper furnace outer housing is provided with the first convulsion motor.
As a kind of improvement of this utility model Multifunctional reflux welder, during described first convulsion motor operations, described
The hot-air of the first upper furnace inner bag is extracted out outside the first upper furnace outer housing.
As a kind of improvement of this utility model Multifunctional reflux welder, described second warm area upper furnace includes on second
Ventilating board on flue outer housing, the second upper furnace inner bag and two second, is interval with in the cavity of described second upper furnace outer housing
Multiple second upper furnace connecting plates, described second upper furnace inner bag is arranged on second in the cavity of described second upper furnace outer housing
On upper furnace connecting plate, in the cavity of described second upper furnace inner bag, it is provided with wind wheel fan housing, described second upper furnace inner bag
Being stamped heating board on second on cavities open, on described second, heating board is provided with several exhaust vents, on two described second
Ventilating board is separately positioned on the both sides of described second upper furnace outer housing, and the middle part of described second upper furnace outer housing is provided with a windward
Machine, the wind wheel of described fan stretches in described upper wind wheel fan housing, and described second warm area upper furnace heating wire is arranged on described
In two upper furnace outer housings.
As a kind of improvement of this utility model Multifunctional reflux welder, during the work of described fan, cold air is from institute
Stating in the cavity flowing into described second upper furnace outer housing in the air holes of welding machine Tai Gai side, cold air enters outside described second upper furnace
It is delivered in the cavity of the second upper furnace inner bag by fan again after cover, then is blown by the exhaust vent of heating board on described second
Go out, and blow to product upper surface.
As a kind of improvement of this utility model Multifunctional reflux welder, described product pipeline includes dynamic guide rail and determines
Guide rail, described dynamic guide rail by the movable distance of multiple step motor control, the dynamic guide rail of regulation and determine between guide rail away from
From, it being used for carrying various sizes of product, the described two ends determining guide rail are respectively erected in the two ends of described Reflow Soldering board, described
Dynamic guide rail and determine to be equipped with on guide rail conveyer belt, described dynamic guide rail with determine all to be interval with on guide rail multiple for locking product
Locking device.
As a kind of improvement of this utility model Multifunctional reflux welder, described screen undulate, described in keep out the wind
Curtain is high temperature resistant heat insulation material, is provided with screen between the posterior edges of described dynamic guide rail and described Reflow Soldering board, described fixed
Guide rail is provided with screen with the forward edge of described Reflow Soldering board, during described dynamic guide rail adjustable range forward, and described dynamic guide rail
Diminishing with determining guide rail distance, described screen is stretched, during described dynamic guide rail adjustable range backward, and described dynamic guide rail and determine guide rail
Distance becomes big, and described screen shrinks.
Compared with prior art, the utility model has the advantages that: this utility model have employed first can be heated at reflux
Warm area and the second warm area, the first lower furnace heat air delivery of the first warm area, blows to the lower surface direction of product, the of the first warm area
One warm area upper furnace carries out convulsion, is detached by the heat of product upper surface, makes the temperature of product surface reduce；Product is through multiple
During the second warm area, the second lower furnace heat air delivery, blow to the lower surface direction of product, the second warm area upper furnace of the second warm area to
Lower transporting cold wind, acts on the upper surface of product.When SMT plate is welded by this product, by Human-machine Control interface, second
Preset heater strip in second warm area upper furnace of warm area, control the second downward heat air delivery of warm area upper furnace of the second warm area, and
Act on product, when carrying out PCB plate through hole welding, then close default heater strip, make on the second warm area of the second warm area
Flue transporting cold wind.This product can realize the welding of SMT plate and the function of PCB plate through hole welding, intelligence switching a, it is achieved machine is many
With.
Another purpose of the present utility model is to provide the control method of a kind of Multifunctional reflux welder, including following step
Rapid:
A) control warm area, first warm area (preheating zone) of reflowable heating, the second warm area (backflow welding zone), cooling are set
District；First warm area is formed by the first warm area upper furnace and the first lower furnace, and the second warm area is by the second warm area upper furnace and second time
Flue is formed；Arrange in the second warm area upper furnace and can individually control heating or close the heating wire of heating；On second warm area
Flue blowing hot-air or cold wind, blow a cold wind in cooling zone；
B) set the first warm area and the temperature value of the second warm area, by the temperature value of temperature sensor senses warm area, make
Temperature difference between first warm area upper furnace and first lower furnace of one warm area reaches maximum, makes the second warm area of the second warm area
Temperature difference between upper furnace and the second lower furnace reaches maximum；
C) prepare the product conveying unit of adjustable width, product by this product conveying unit be delivered to the first warm area, the
Two warm areas and cooling zone；
D) the first lower furnace heat air delivery of the first warm area, blows to the lower surface direction of product, the first temperature of the first warm area
District's upper furnace carries out convulsion, is detached by the heat of product upper surface, makes the temperature of product surface reduce；Product is through multiple second
During warm area, the second lower furnace heat air delivery, blow to the lower surface direction of product, the second warm area upper furnace of the second warm area is the most defeated
Send cold wind, act on the upper surface of product, make the temperature difference of product upper surface and product lower surface reach maximum；
E) output of products cooling zone, goes out finished product.
Compared with prior art, the utility model has the advantages that: the control of the Through-hole reflow device that this utility model uses
Method processed, is provided with two warm areas, and the first warm area is preheating zone, and the second warm area is weld zone, the first warm area and the second warm area
Temperature value can be separately provided, and makes the temperature value of the first warm area and the second warm area keep balance, and has hydronic
Effect, makes full use of hot blast, reduces energy loss, saves the energy.This method can freely switch, and can realize the merit of Reflow Soldering
Can, it is also possible to realize the function of wave-soldering, this method step is simple, easily implements.
Reflow process of the present utility model: pcb board first print solder paste, artificial insertion unit device before entering Reflow Soldering
Part, when entering the first warm area (the preheating warm area) of two 140 DEG C～160 DEG C, solvent, gas evaporation in soldering paste fall, meanwhile, weldering
Cream softens, slump, covers pad, pad, component's feet is isolated with oxygen；And make sticking-element sufficiently be preheated,
When subsequently entering the second warm area (Reflow Soldering), temperature rises rapidly with 2-3 DEG C of international standard heating rate per second makes soldering paste
Reaching molten state, liquid solder is blended in weldering in pad, components and parts welding end and pin moistening, diffusion, cross flow and the backflow of PCB
Generate metallic compound on junction face, form solder joints；Last PCB enters cooling zone makes solder joint solidify.
Accompanying drawing explanation
With detailed description of the invention, this utility model and useful technique effect thereof are made the most with reference to the accompanying drawings
Thin description, wherein:
Fig. 1 is this utility model three-dimensional structure diagram.
Fig. 2 is this utility model front view.
Fig. 3 is A-A sectional view in this utility model Fig. 2.
Fig. 4 is B-B sectional view in this utility model Fig. 2.
Fig. 5 is this utility model the first warm area structure chart.
Fig. 6 is this utility model the second warm area structure chart.
Fig. 7 is this utility model lower furnace structural representation.
Fig. 8 is this utility model upper furnace structural representation.
Fig. 9 is the structural representation after this utility model installs airduct.
Figure 10 is this utility model PCB plate through hole Reflow Soldering temperature characteristics analysis principle figure.
Figure 11 is enlarged drawing at A in Fig. 1.
Reference title: 1, Reflow Soldering board 2, welding machine platform lid 3, product pipeline the 4, first lower furnace 5, second
Lower furnace the 6, first warm area upper furnace the 7, second warm area upper furnace the 8, first warm area the 9, second warm area 10, screen 11, people
Machine control interface 12, gas analyzer for O2 13, main air draft pipeline 14, air holes 15, cooling zone 41, lower furnace outer housing 42, under
Flue inner bag 43, lower ventilating board 44, flue connecting plate 45, heating wire fix seat 46, heating wire 47, lower wind wheel fan housing
48, ventilating board on lower heating board 49, lower furnace blower fan the 61, first upper furnace outer housing the 62, first upper furnace inner bag 63, first
64, heating board the 66, first convulsion motor the 71, second upper furnace outer housing 72, second on the first upper furnace connecting plate 65, first
Heating board on ventilating board the 74, second upper furnace connecting plate 75, upper wind wheel fan housing 76, second on upper furnace inner bag 73, second
77, fan.
Detailed description of the invention
With specific embodiment, this utility model is further described the most with reference to the accompanying drawings, but enforcement of the present utility model
Mode is not limited to this.
Embodiment one: as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Figure 11, a kind of Multifunctional reflux weldering
Device, including Reflow Soldering board 1, the upper plane back edge of Reflow Soldering board 1 is provided with a welding machine platform that can open and close
Lid 2, the support arm that welding machine platform lid 2 can be stretched by connects control and opens or closes, and the upper plane of Reflow Soldering board 1 is provided with can
With the product pipeline 3 of adjustment width, in Reflow Soldering board 1, it is sequentially provided with first time stove of two upwards blowing hot-airs from left to right
Gallbladder 4 and second lower furnace 5 upwards blown, in welding machine platform lid 2, the position of corresponding first lower furnace 4 is provided with the first of convulsion
Warm area upper furnace 6, in welding machine platform lid 2, the position of corresponding second lower furnace 5 is provided with the second warm area upper furnace 7 to fall wind,
First warm area upper furnace 6 and the first lower furnace 4 form the first warm area 8, and the second warm area upper furnace 7 and the second lower furnace 5 form
Two warm areas 9, product pipeline 3 be positioned at the position of the first warm area 8 and the second warm area 9 be provided with for cold wind and hot blast are separated and
The screen 10 that can stretch or shorten, Reflow Soldering board 1 is provided with Human-machine Control interface 11, the first warm area 8 and the second warm area 9
Inside it is equipped with temperature sensor, is provided with gas analyzer for O2 12 in Reflow Soldering board 1, Reflow Soldering board 1 is additionally provided with a cooling zone
15.The present embodiment is primarily directed to PCB plate through hole solder reflow operation, controls the second warm area upper furnace by Human-machine Control interface 11
7 blow a cold wind over, and close the second warm area upper furnace heating wire heating, make the second warm area upper furnace 7 and the second lower furnace of the second warm area 9
The temperature difference of 5 is at a peak value.The present embodiment only has the Cai You thermal treatment zone, bottom, then blows a cold wind in top.Such design can be use up
Measure the damage to component body of the less temperature.The temperature of two preheating zones and a recirculating zone can independently be controlled, cooling
Qu Ze blows a cold wind over.
Preferably, the first lower furnace 4 includes lower furnace outer housing 41, lower furnace inner bag 42 and two lower ventilating boards 43, lower stove
Being provided with flue connecting plate 44 in gallbladder outer housing 41 and multiple heating wire fixes seat 45, lower furnace inner bag 42 is arranged on flue connecting plate 44
On, multiple heating wires are fixed seat 45 and are fixed with at least one heating wire 46 simultaneously, and the two ends of heating wire 46 are connected to outside lower furnace
The both sides of cover 41, are provided with lower wind wheel fan housing 47, are stamped at the cavities open of lower furnace inner bag 42 in the cavity of lower furnace inner bag 42
Heating board 48 once, lower heating board 48 is interval with several exhaust vents, and two lower ventilating boards 43 are separately mounted to lower furnace
The both sides of outer housing 41, the middle part of lower furnace outer housing 41 is provided with lower furnace blower fan 49.
Preferably, when lower furnace blower fan 49 works, the air after being heated by heating wire 46 is sent to lower furnace inner bag 42
In cavity, after the cavity of lower furnace inner bag 42, the through hole of lower heating board 48 flow out, due to lower heating board 48 and the first temperature
Being separated by screen 10 between district's upper furnace 6 and cannot continue to rise, hot-air flows in the cavity of lower furnace outer housing 41 again, by sending out
Heated filament 46 again heats Posterior circle and utilizes.
Preferably, the first warm area upper furnace 6 includes first upper furnace outer housing the 61, first upper furnace inner bag 62 and two first
Upper ventilating board 63, is provided with the first upper furnace connecting plate 64 in the cavity of the first upper furnace outer housing 61, the first upper furnace inner bag 62 is pacified
It is contained on the first upper furnace connecting plate 64 in the cavity of the first upper furnace outer housing 61, the cavities open of the first upper furnace inner bag 62
On be stamped heating board 65 on first, on first, heating board 65 is provided with several exhaust vents, and on two first, ventilating board 63 is respectively
Being arranged on the both sides of the first upper furnace outer housing 61, the middle part of the first upper furnace outer housing 61 is provided with the first convulsion motor 66.
As it is shown in figure 9, the wind pipe of the first convulsion motor 66 connects main air draft pipeline 13.
Preferably, when the first convulsion motor 66 works, the hot-air of the first upper furnace inner bag 62 is extracted out outside the first upper furnace
Outside cover 61.
Preferably, the second warm area upper furnace 7 includes second upper furnace outer housing the 71, second upper furnace inner bag 72 and two second
Upper ventilating board 73, is interval with multiple second upper furnace connecting plate 74, the second upper furnace in the cavity of the second upper furnace outer housing 71
Inner bag 72 is arranged on the second upper furnace connecting plate 74 in the cavity of the second upper furnace outer housing 71, the second upper furnace inner bag 72
It is provided with wind wheel fan housing 75 in cavity, the cavities open of the second upper furnace inner bag 72 is stamped heating board 76 on second, on second
Heating board 76 is provided with several exhaust vents, and on two second, ventilating board 73 is separately positioned on the two of the second upper furnace outer housing 71
Side, the middle part of the second upper furnace outer housing 71 is provided with a fan 77, and the wind wheel of fan 77 stretches in wind wheel fan housing 75.
Preferably, when fan 77 works, cold air flows into the second upper furnace outer housing from welding machine platform lid 1 side air holes 14
In the cavity of 71, cold air is delivered to the second upper furnace inner bag 72 by fan 77 after entering the second upper furnace outer housing 71 again
In cavity, then by the exhaust vent blowout of heating board 76 on second, and blow to product upper surface.
Preferably, product pipeline 3 includes dynamic guide rail 31 and determines guide rail 32, and dynamic guide rail 31 is by multiple step motor control
Movable distance, the dynamic guide rail 31 of regulation and the distance determined between guide rail 32, be used for carrying various sizes of product, determine guide rail
The two ends of 32 are respectively erected in the two ends of Reflow Soldering board 1, move guide rail 31 and determine to be equipped with conveyer belt on guide rail 32, dynamic guide rail 31
With determine on guide rail 32, to be all interval with multiple locking device 33 for locking product.
Preferably, screen 10 undulate, screen 10 is high temperature resistant heat insulation material, dynamic guide rail 31 and Reflow Soldering board
Being provided with screen 10 between the posterior edges of 1, the forward edge determining guide rail 32 and Reflow Soldering board 1 is provided with screen 10, moves and leads
During rail 31 adjustable range forward, dynamic guide rail 31 and determine guide rail 32 distance and diminish, screen 10 is stretched, and moves guide rail 31 and regulates backward
During distance, moving guide rail 31 and determine guide rail 32 apart from change greatly, screen 10 shrinks.
The utility model has the advantages that: this utility model have employed the first warm area 8 and the second warm area that can be heated at reflux
9, the first lower furnace heat air delivery of the first warm area 8, blows to the lower surface direction of product, stove on the first warm area of the first warm area 8
Gallbladder carries out convulsion, is detached by the heat of product upper surface, makes the temperature of product surface reduce；Product is through multiple second warm areas 9
Time, the second lower furnace heat air delivery, blow to the lower surface direction of product, the second warm area upper furnace of the second warm area 9 carries downwards
Cold wind, acts on the upper surface of product.When SMT plate is welded by this product, by Human-machine Control interface, at the second warm area 8
The second warm area upper furnace in preset heater strip, control the second downward heat air delivery of warm area upper furnace of the second warm area 9, and act on
On product, when carrying out Through-hole reflow, then closing default heater strip, the second warm area upper furnace making the second warm area 9 is defeated
Send cold wind.This product can realize the function of Through-hole reflow and wave-soldering, intelligence switching, it is achieved a tractor serves several purposes.
Embodiment two: a kind of Multifunctional reflux welder, including Reflow Soldering board 1, the upper plane back of Reflow Soldering board 1
Edge is provided with a welding machine platform lid 2 that can open and close, and the support arm that welding machine platform lid 2 can be stretched by connects control and opens
Or close, the upper plane of Reflow Soldering board 1 is provided with can be with the product pipeline 3 of adjustment width, in Reflow Soldering board 1 from left to right
It is sequentially provided with two upwards the first lower furnace 4 of blowing hot-air and second lower furnaces 5 upwards blown, corresponding in welding machine platform lid 2
The position of the first lower furnace 4 is provided with the first warm area upper furnace 6 of convulsion, the position of corresponding second lower furnace 5 in welding machine platform lid 2
Being provided with the second warm area upper furnace 7 of downward blowing hot-air, the first warm area upper furnace 6 and the first lower furnace 4 form the first warm area 8, the
Two warm area upper furnaces 7 and the second lower furnace 5 form the second warm area 9, and product pipeline 3 is positioned at the first warm area 8 and the second warm area 9
Position is provided with the screen 10 for cold wind and hot blast being separated and can stretch or shorten, and Reflow Soldering board 1 is provided with man-machine
Control interface 11, be equipped with temperature sensor in the first warm area 8 and the second warm area 9, in Reflow Soldering board 1, be provided with gas analyzer for O2
12, Reflow Soldering board 1 is additionally provided with a cooling zone.The present embodiment is primarily directed to SMT plate solder reflow operation, passes through Human-machine Control
Interface 11 controls the second warm area upper furnace 7 blowing hot-air, the second warm area upper furnace heating wire heating, makes the second temperature of the second warm area 9
The temperature of district's upper furnace 7 and the second lower furnace 5 controls, in certain scope, to prevent components and parts from destroying.The present embodiment top and
The Jun You thermal treatment zone, bottom, makes the upper and lower surface of SMT plate all be heated.
The control method of a kind of Multifunctional reflux welder, comprises the following steps:
A) control warm area, first warm area (preheating zone) of reflowable heating, the second warm area (backflow welding zone) and cooling are set
District；First warm area is formed by the first warm area upper furnace and the first lower furnace, and the second warm area is by the second warm area upper furnace and second time
Flue is formed；Arrange in the second warm area upper furnace and can individually control heating or close the heating wire of heating；On second warm area
Flue blowing hot-air or cold wind, blow a cold wind in cooling zone；
B) set the first warm area and the temperature value of the second warm area, by the temperature value of temperature sensor senses warm area, make
Temperature difference between first warm area upper furnace and first lower furnace of one warm area reaches maximum, makes the second warm area of the second warm area
Temperature difference between upper furnace and the second lower furnace reaches maximum；
C) prepare the product conveying unit of adjustable width, product by this product conveying unit be delivered to the first warm area, the
Two warm areas and cooling zone；
D) the first lower furnace heat air delivery of the first warm area, blows to the lower surface direction of product, the first temperature of the first warm area
District's upper furnace carries out convulsion, is detached by the heat of product upper surface, makes the temperature of product surface reduce；Product is through multiple second
During warm area, the second lower furnace heat air delivery, blow to the lower surface direction of product, the second warm area upper furnace of the second warm area is the most defeated
Send cold wind, act on the upper surface of product, make the temperature difference of product upper surface and product lower surface reach maximum；
E) output of products cooling zone, goes out finished product.
The control method of the Through-hole reflow device that this utility model uses, is provided with two warm areas, and the first warm area is pre-
Hot-zone, the second warm area for backflow welding zone, the temperature value of the first warm area and the second warm area can be separately provided, make the first warm area and
The temperature value of the second warm area keeps balance, and has hydronic effect, makes full use of hot blast, reduces energy loss, joint
The about energy.This method can freely switch, and can realize the function of Reflow Soldering, it is also possible to realizes the function of wave-soldering, this method
Step is simple, easily implements.
PCB plate through hole reflow process of the present utility model: PCB first print solder paste, manually inserts before entering Reflow Soldering
Entering components and parts, when entering the first warm area (the preheating warm area) of two 140 DEG C～160 DEG C, solvent, gas evaporation in soldering paste fall,
Meanwhile, soldering paste softens, slump, covers pad, pad, component's feet is isolated with oxygen；And make sticking-element obtain fully
Preheating, when subsequently entering the second warm area (Reflow Soldering), temperature with 2-3 DEG C of international standard heating rate per second rapidly on
Rising makes soldering paste reach molten state, and liquid solder is in pad, components and parts welding end and pin moistening, diffusion, cross flow and the backflow of PCB
It is blended on weld interface generation metallic compound, forms solder joints；Last PCB enters cooling zone makes solder joint solidify.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and structure and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is limited by claims and equivalency range thereof.
Claims (9)
1. a Multifunctional reflux welder, including Reflow Soldering board, the upper plane back edge of described Reflow Soldering board is provided with one
The individual welding machine platform lid that can open and close, it is characterised in that the upper plane of described Reflow Soldering board is provided with can be with adjustment width
Product pipeline, be sequentially provided with from left to right in described Reflow Soldering board at least one upwards blowing hot-air the first lower furnace and
At least one the second lower furnace upwards blown, in described welding machine platform lid, the position of corresponding first lower furnace is provided with the first of convulsion
Warm area upper furnace, in described welding machine platform lid, the position of corresponding described second lower furnace is provided with the second temperature of downward blowing hot-air or cold wind
District's upper furnace, described first warm area upper furnace and the first lower furnace form the first warm area, described second warm area upper furnace and second
Lower furnace forms the second warm area, described product pipeline be positioned at the position of described first warm area and described second warm area be provided with for
Screen cold wind and hot blast separated and can stretch or shorten, Reflow Soldering board is provided with Human-machine Control interface, and described
It is equipped with temperature sensor in one warm area and described second warm area, in described Reflow Soldering board, is provided with gas analyzer for O2, described time
It is additionally provided with a cooling zone on fluid welding board, in described second warm area upper furnace, is provided with the second warm area upper furnace individually controlling heating
Heating wire, described second warm area upper furnace heating wire is individually controlled heating or stops heating by described Human-machine Control interface.
Multifunctional reflux welder the most according to claim 1, it is characterised in that described first lower furnace includes lower furnace
Outer housing, lower furnace inner bag and two lower ventilating boards, be provided with flue connecting plate in described lower furnace outer housing and multiple heating wire is fixed
Seat, described lower furnace inner bag is arranged on described flue connecting plate, and multiple described heating wires are fixed seat and are fixed with at least one simultaneously
Bar heating wire, the two ends of described heating wire are connected to described lower furnace outer housing both sides, are provided with in the cavity of described lower furnace inner bag
Lower wind wheel fan housing, is stamped heating board at the cavities open of described lower furnace inner bag, if being interval with on described lower heating board
Dry exhaust vent, two described lower ventilating boards are separately mounted to the both sides of described lower furnace outer housing, in described lower furnace outer housing
Portion is provided with lower furnace blower fan.
Multifunctional reflux welder the most according to claim 2, it is characterised in that during the work of described lower furnace blower fan, will
Air after heating wire heating is sent in the cavity of lower furnace inner bag, after the cavity of described lower furnace inner bag, by described
The through hole of lower heating board flows out, on being separated by screen between lower heating board and described first warm area upper furnace and cannot continuing
Rising, hot-air flows in the cavity of lower furnace outer housing again, described heating wire again heat Posterior circle and utilize.
Multifunctional reflux welder the most according to claim 1, it is characterised in that described first warm area upper furnace includes
Ventilating board on one upper furnace outer housing, the first upper furnace inner bag and two first, is provided with in the cavity of described first upper furnace outer housing
First upper furnace connecting plate, described first upper furnace inner bag is arranged on stove on first in the cavity of described first upper furnace outer housing
On gallbladder connecting plate, the cavities open of described first upper furnace inner bag is stamped heating board on first, on described first on heating board
Being provided with several exhaust vents, on two described first, ventilating board is separately positioned on the both sides of described first upper furnace outer housing, described
The middle part of the first upper furnace outer housing is provided with the first convulsion motor.
Multifunctional reflux welder the most according to claim 4, it is characterised in that during described first convulsion motor operations,
The hot-air of described first upper furnace inner bag is extracted out outside the first upper furnace outer housing.
Multifunctional reflux welder the most according to claim 1, it is characterised in that described second warm area upper furnace includes
Ventilating board on two upper furnace outer housings, the second upper furnace inner bag and two second, interval in the cavity of described second upper furnace outer housing
Being provided with multiple second upper furnace connecting plate, described second upper furnace inner bag is arranged in the cavity of described second upper furnace outer housing
On second upper furnace connecting plate, it is provided with wind wheel fan housing in the cavity of described second upper furnace inner bag, in described second upper furnace
Being stamped heating board on second on the cavities open of gallbladder, on described second, heating board is provided with several exhaust vents, two described
On two, ventilating board is separately positioned on the both sides of described second upper furnace outer housing, and the middle part of described second upper furnace outer housing is provided with on one
Blower fan, the wind wheel of described fan stretches in described upper wind wheel fan housing, and described second warm area upper furnace heating wire is arranged on described
In second upper furnace outer housing.
Multifunctional reflux welder the most according to claim 6, it is characterised in that during the work of described fan, cold air
Flowing in the cavity of described second upper furnace outer housing from the air holes of described welding machine Tai Gai side, cold air enters stove on described second
It is delivered in the cavity of the second upper furnace inner bag by fan again after gallbladder outer housing, then by the exhaust vent of heating board on described second
Blowout, and blow to product upper surface.
Multifunctional reflux welder the most according to claim 1, it is characterised in that described product pipeline includes dynamic guide rail
With determine guide rail, described dynamic guide rail by the movable distance of multiple step motor control, the dynamic guide rail of regulation and determining between guide rail
Distance, be used for carrying various sizes of product, the described two ends determining guide rail are respectively erected in the two ends of described Reflow Soldering board,
Described dynamic guide rail and determine to be equipped with on guide rail conveyer belt, described dynamic guide rail with determine all to be interval with on guide rail multiple for locking product
The locking device of product.
Multifunctional reflux welder the most according to claim 8, it is characterised in that described screen undulate, described
Screen is high temperature resistant heat insulation material, is provided with screen, institute between the posterior edges of described dynamic guide rail and described Reflow Soldering board
State and determine the forward edge of guide rail and described Reflow Soldering board and be provided with screen, during described dynamic guide rail adjustable range forward, described dynamic
Guide rail and determine guide rail distance and diminish, described screen is stretched, during described dynamic guide rail adjustable range backward, described dynamic guide rail and calmly
Guide rail distance becomes big, and described screen shrinks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408443.9U CN205702762U (en) | 2016-05-06 | 2016-05-06 | A kind of Multifunctional reflux welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408443.9U CN205702762U (en) | 2016-05-06 | 2016-05-06 | A kind of Multifunctional reflux welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205702762U true CN205702762U (en) | 2016-11-23 |
Family
ID=57304576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620408443.9U Withdrawn - After Issue CN205702762U (en) | 2016-05-06 | 2016-05-06 | A kind of Multifunctional reflux welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205702762U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772887A (en) * | 2016-05-06 | 2016-07-20 | 东莞市科隆威自动化设备有限公司 | Multifunctional reflow soldering device and control method thereof |
| CN107509322A (en) * | 2017-08-23 | 2017-12-22 | 浙江美科电器有限公司 | A kind of process equipment of PBC wiring boards |
-
2016
- 2016-05-06 CN CN201620408443.9U patent/CN205702762U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772887A (en) * | 2016-05-06 | 2016-07-20 | 东莞市科隆威自动化设备有限公司 | Multifunctional reflow soldering device and control method thereof |
| CN105772887B (en) * | 2016-05-06 | 2018-02-27 | 东莞市科隆威自动化设备有限公司 | A kind of Multifunctional reflux welder and its control method |
| CN107509322A (en) * | 2017-08-23 | 2017-12-22 | 浙江美科电器有限公司 | A kind of process equipment of PBC wiring boards |
| CN107509322B (en) * | 2017-08-23 | 2019-01-22 | 浙江美科电器有限公司 | A kind of process equipment of PCB circuit board |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180227 |
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| AV01 | Patent right actively abandoned |