CN205629586U - Through -hole reflow soldering device - Google Patents
Through -hole reflow soldering device Download PDFInfo
- Publication number
- CN205629586U CN205629586U CN201620408434.XU CN201620408434U CN205629586U CN 205629586 U CN205629586 U CN 205629586U CN 201620408434 U CN201620408434 U CN 201620408434U CN 205629586 U CN205629586 U CN 205629586U
- Authority
- CN
- China
- Prior art keywords
- warm area
- upper furnace
- furnace
- outer housing
- guide rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a through -hole reflow soldering device, including the backflow welder platform, the last plane trailing edge of backflow welder platform is equipped with an openable and the welding machine platform lid of closing, the last plane of backflow welder platform is equipped with the product transfer chain that can adjust the width, be equipped with first stove courage and second stove courage in the backflow welder platform from left to right in proper order, position that welding machine tai gainei corresponds first stove courage is equipped with stove courage on the first warm area that convulsions used, position that welding machine tai gainei corresponds second stove courage is equipped with stove courage on the second warm area of blowing a cold wind over downwards, the stove courage forms first warm area with first stove courage on the first warm area, the stove courage forms the second warm area with second stove courage on the second warm area, the position that the product transfer chain is located first warm area and second warm area is equipped with and is used for cold wind and hot -blast separating, and the screen that can stretch or shorten, the backflow welder bench is equipped with the man -machine control interface, the backflow welder bench still is equipped with a cooling space. This product is applicable to the welding of PCB board through -hole, is convenient for control soldering temperature, makes the welding effect better.
Description
Technical field
This utility model relates to welding equipment of circuit board, particularly to a kind of Through-hole reflow dress
Put.
Background technology
At present, in the solder technology of circuit board, the welding equipment generally used is " wave-soldering ",
Wave-soldering is by tin bar melt into liquid by molten tin bath, utilizes motor agitation to form crest, allows PCB
Weld with component, be commonly used in welding and the glue plate of smt of hands plug-in unit.Reflow welding master
SMT industry to be used in, it is conducted by hot blast or other heat radiations, will be printed on PCB
Tin cream fusing welds with component.But the Baking out mode of this kind of wave-soldering is to exist
Defect: 1, wave-soldering first to spray scaling powder, then through preheating, welding, cooling zone.Return
Fluid welding through preheating zone, recirculating zone, cooling zone.It addition, wave-soldering is applicable to hands plate and point
Offset plate, and require that all elements are heat-resisting, 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, welding
Defect is many, after back segment detects, if it find that solder skip, then needs artificial repair welding, hand labor
Amount is big.3, the components and parts heatproof degree needed is high.4, the waste energy, every daily consumption is substantial amounts of
Soldering tin bar and scaling powder.
Utility model content
The purpose of this utility model is the drawbacks described above for prior art, it is provided that one can make
The temperature difference adding heat space of product process is maintained at a peak value, and temperature difference will not be made to fluctuate too
Greatly, temperature and the Through-hole reflow device that upper and lower temperature can be separated it are easily controlled.
For solving the drawbacks described above of prior art, the technical scheme that this utility model provides is: one
Plant Through-hole reflow device, including Reflow Soldering board, the upper plane back of described Reflow Soldering board
Edge is provided with a welding machine platform lid that can open and close, and the upper plane of described Reflow Soldering board sets
Have and can be sequentially provided with from left to right in described Reflow Soldering board with the product pipeline of adjustment width
At least one upwards the first lower furnace of blowing hot-air and at least one second lower furnace upwards blown,
In described welding machine platform lid, the position of corresponding first lower furnace is provided with stove on the first warm area of convulsion
Gallbladder, in described welding machine platform lid, the position of corresponding described second lower furnace is provided with the to fall wind
Two warm area upper furnaces, described first warm area upper furnace and the first lower furnace form the first warm area, institute
Stating the second warm area upper furnace and the second lower furnace forms the second warm area, described product pipeline is positioned at
The position of described first warm area and described second warm area be provided with for cold wind and hot blast are separated and
The screen that 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, is provided with in described Reflow Soldering board
Gas analyzer for O2, described Reflow Soldering board is additionally provided with a cooling zone；
Described product pipeline includes dynamic guide rail and determines guide rail, and described dynamic guide rail is by multiple steppings
Motor controls movable distance, and the dynamic guide rail of regulation and the distance determined between guide rail, for defeated
Various sizes of product, the described two ends determining guide rail is sent to be respectively erected in described Reflow Soldering board
Two ends, described dynamic guide rail and determine to be equipped with on guide rail conveyer belt, described dynamic guide rail with determine on guide rail
All it is interval with multiple locking device for locking product；
Described screen undulate, described screen is high temperature resistant heat insulation material, and described moving is led
It is provided with screen between the posterior edges of rail and described Reflow Soldering board, described determines guide rail with described
The forward edge of Reflow Soldering board is provided with screen, during described dynamic guide rail adjustable range forward, and institute
Stating guide rail and determine guide rail distance and diminish, described screen is stretched, and described dynamic guide rail is adjusted backward
Pitch from time, described dynamic guide rail and determine guide rail distance and become big, the contraction of described screen.
As a kind of improvement of this utility model Through-hole reflow device, described first lower furnace bag
Include lower furnace outer housing, lower furnace inner bag and two lower ventilating boards, be provided with in described lower furnace outer housing
Flue connecting plate and multiple heating wire fix seat, and described lower furnace inner bag is arranged on described flue even
On fishplate bar, multiple described heating wires are fixed seat and are fixed with at least one heating wire simultaneously, described
The two ends of heated filament are connected to described lower furnace outer housing both sides, set in the cavity of described lower furnace inner bag
There is lower wind wheel fan housing, at the cavities open of described lower furnace inner bag, be stamped heating board, described
Being interval with several exhaust vents on lower heating board, two described lower ventilating boards are separately mounted to institute
Stating the both sides of lower furnace outer housing, the middle part of described lower furnace outer housing is provided with lower furnace blower fan.
As a kind of improvement of this utility model Through-hole reflow device, described lower furnace fanman
When making, the air after being heated by heating wire is sent in the cavity of lower furnace inner bag, through described
After the cavity of lower furnace inner bag, by described lower heating board through hole flow out, due to lower heating board with
Being separated by screen between described first warm area upper furnace and cannot continue to rise, hot-air flows into again
In the cavity of lower furnace outer housing, described heating wire again heat Posterior circle and utilize.
As a kind of improvement of this utility model Through-hole reflow device, stove on described first warm area
Gallbladder includes ventilating board on the first upper furnace outer housing, the first upper furnace inner bag and two first, described
The first upper furnace connecting plate it is provided with, in described first upper furnace in the cavity of the first upper furnace outer housing
Gallbladder is arranged on the first upper furnace connecting plate in the cavity of described first upper furnace outer housing, described
Heating board on first, heating board on described first it is stamped on the cavities open of the first upper furnace inner bag
Being provided with several exhaust vents, on two described first, ventilating board is separately positioned on described first
The both sides of flue outer housing, the middle part of described first upper furnace outer housing is provided with the first convulsion motor.
As a kind of improvement of this utility model Through-hole reflow device, described first convulsion motor
During work, the hot-air of described first upper furnace inner bag is extracted out outside the first upper furnace outer housing.
As a kind of improvement of this utility model Through-hole reflow device, stove on described second warm area
Gallbladder includes ventilating board on the second upper furnace outer housing, the second upper furnace inner bag and two second, described
Multiple second upper furnace connecting plate it is interval with in the cavity of the second upper furnace outer housing, described second
The second upper furnace that upper furnace inner bag is arranged in the cavity of described second upper furnace outer housing connects
On plate, in the cavity of described second upper furnace inner bag, it is provided with wind wheel fan housing, stove on described second
Heating board on second it is stamped, if heating board is provided with on described second on the cavities open of gallbladder inner bag
Dry exhaust vent, on two described second, ventilating board is separately positioned on described second upper furnace outer housing
Both sides, the middle part of described second upper furnace outer housing is provided with a fan, the wind of described fan
Wheel stretches in described upper wind wheel fan housing.
As a kind of improvement of this utility model Through-hole reflow device, described fan works
Time, cold air flows into the sky of described second upper furnace outer housing from the air holes of described welding machine Tai Gai side
Intracavity, cold air is delivered on second by fan after entering described second upper furnace outer housing again
In the cavity of flue inner bag, then by the exhaust vent blowout of heating board on described second, and blow to produce
Product upper surface.
As a kind of improvement of this utility model Through-hole reflow device, described second lower furnace is defeated
The hot blast temperature sent is more than the hot blast temperature of the first lower furnace conveying.
As a kind of improvement of this utility model Through-hole reflow device, described second lower furnace is defeated
The hot blast temperature sent is 150 DEG C～260 DEG C；The hot blast temperature of described first lower furnace conveying is
30 DEG C～150 DEG C.
Compared with prior art, the utility model has the advantages that: this utility model have employed permissible
The first warm area being heated at reflux and the second warm area, the first lower furnace heat air delivery of the first warm area,
Blowing to the lower surface direction of product, the first warm area upper furnace of the first warm area carries out convulsion, will produce
The heat of product upper surface detaches, and makes the temperature of product surface reduce；Product is through multiple second temperature
Qu Shi, the second lower furnace heat air delivery, blows to the lower surface direction of product, the of the second warm area
The two downward transporting cold wind of warm area upper furnace, act on the upper surface of product, make product upper surface
Reaching maximum with the temperature difference of product lower surface, this product uses screen upper and lower temperature to be separated,
It is easy to control temperature and the temperature of lower surface of product upper surface.
Another purpose of the present utility model is to provide the controlling party of a kind of Through-hole reflow device
Method, comprises the following steps:
A) control warm area, the first warm area (preheating zone) and second temperature of reflowable heating are set
District (recirculating zone)；First warm area is formed by the first warm area upper furnace and the first lower furnace, and second
Warm area is formed by the second warm area upper furnace and the second lower furnace；Second warm area upper furnace only blows cold
Wind, blows a cold wind in cooling zone；
B) the first warm area and the temperature value of the second warm area are set, by temperature sensor senses temperature
The temperature value in district, makes the temperature between the first warm area upper furnace and first lower furnace of the first warm area
Difference reaches maximum, makes the temperature between the second warm area upper furnace and second lower furnace of the second warm area
Degree difference reaches maximum；
C) preparing the product conveying unit of adjustable width, product is defeated by this product conveying unit
Deliver to the first warm area, the second warm area and cooling zone；
D) the first lower furnace heat air delivery of the first warm area, blows to the lower surface direction of product,
First warm area upper furnace of the first warm area carries out convulsion, is detached by the heat of product upper surface, makes
The temperature of product surface reduces, and prevents element high temperature；Product through multiple second warm areas,
Second lower furnace heat air delivery, blows to the lower surface direction of product, the second warm area of the second warm area
The downward transporting cold wind of upper furnace, acts on the upper surface of product, makes product upper surface and product
The temperature difference of lower surface reaches maximum；
E) output of products cooling zone, goes out finished product.
As a kind of improvement of the control method of this utility model Through-hole reflow device, described the
The hot blast temperature of two lower furnace conveyings is more than the hot blast temperature of the first lower furnace conveying.
As a kind of improvement of the control method of this utility model Through-hole reflow device, described the
The hot blast temperature of two lower furnace conveyings is 150 DEG C～260 DEG C；Described first lower furnace conveying
Hot blast temperature is 30 DEG C～150 DEG C.
Compared with prior art, the utility model has the advantages that: the through hole that this utility model uses
The control method of reflow soldering apparatus, is provided with two warm areas, and the first warm area is preheating zone, and second
Warm area is recirculating zone, and the temperature value of the first warm area and the second warm area can be separately provided, and makes
The temperature value of one warm area and the second warm area keeps balance, and has hydronic effect, fills
Dividing and utilize hot blast, reduce energy loss, save the energy, this method step is simple, easily implements.
Reflow process of the present utility model: PCB first print solder paste, enter Reflow Soldering it
Before manually insert components and parts, enter first warm area (preheating warm area) of two 130 DEG C～150 DEG C
Time, solvent, gas evaporation in soldering paste fall, and meanwhile, soldering paste softens, slump, covers pad,
Pad, component's feet are isolated with oxygen；And make sticking-element sufficiently be preheated, connect
When one the second warm area (Reflow Soldering) of entrance, temperature is with 2-3 DEG C of international standard liter per second
Temperature speed rises rapidly and makes soldering paste reach molten state, and liquid solder is in the pad of PCB, unit
Device welding end and pin moistening, diffusion, cross flow and backflow are blended on weld interface generation metal
Compound, forms solder joints；Last PCB enters cooling zone makes solder joint solidify.
Accompanying drawing explanation
The most with reference to the accompanying drawings with detailed description of the invention to this utility model and useful technology thereof
Effect is described in further detail, 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 4,
First lower furnace the 5, second lower furnace the 6, first warm area upper furnace the 7, second warm area upper furnace
8, first warm area the 9, second warm area 10, screen 11, Human-machine Control interface 12, oxygen
Analyser 13, main air draft pipeline 14, air holes 15, cooling zone 41, lower furnace outer housing 42,
Lower furnace inner bag 43, lower ventilating board 44, flue connecting plate 45, heating wire fix seat 46,
On heating wire 47, lower wind wheel fan housing 48, lower heating board 49, lower furnace blower fan 61, first
Ventilating board the 64, first upper furnace on flue outer housing the 62, first upper furnace inner bag 63, first
Heating board the 66, first convulsion motor the 71, second upper furnace outer housing 72 on connecting plate 65, first,
Ventilating board the 74, second upper furnace connecting plate 75 on second upper furnace inner bag 73, second, on
Heating board 77, fan on wind wheel fan housing 76, second.
Detailed description of the invention
With specific embodiment, this utility model is further described the most with reference to the accompanying drawings, but this
The embodiment of utility model is not limited to this.
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 Through-hole reflow device, including Reflow Soldering board 1, after the upper plane of Reflow Soldering board 1
Edge is provided with a welding machine platform lid 2 that can open and close, and welding machine platform lid 2 can be stretched by one
The support arm of contracting connects control and opens or closes, and the upper plane of Reflow Soldering board 1 is provided with can be adjusted
The product pipeline 3 of byte wide, is sequentially provided with two upwards from left to right in Reflow Soldering board 1
First lower furnace 4 of blowing hot-air 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 warm area upper furnace 6 of convulsion, welding machine platform lid
In 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, the second warm area upper furnace
7 and second lower furnace 5 form the second warm area 9, product pipeline 3 is positioned at the first warm area 8 He
The position of the second warm area 9 is provided with for cold wind and hot blast being separated and can stretch or shorten
Screen 10, Reflow Soldering board 1 is provided with Human-machine Control interface 11, the first warm area 8 and
It is equipped with temperature sensor in two warm areas 9, in Reflow Soldering board 1, is provided with gas analyzer for O2 12,
A cooling zone 15 it is additionally provided with on Reflow Soldering board 1.The present embodiment is primarily directed to pcb board and leads to
Hole solder reflow operation, controls the second warm area upper furnace 7 by Human-machine Control interface 11 and blows a cold wind over,
Close the second warm area upper furnace heating wire heating, make the second warm area upper furnace 7 of the second warm area 9
With the temperature difference of the second lower furnace 5 at a peak value.The present embodiment only has the Cai You thermal treatment zone, bottom,
Then blow a cold wind in top.Such design can be tried one's best the damage to component body of the less temperature.
The temperature of two preheating zones and a recirculating zone can independently be controlled, and cooling zone is then blown cold
Wind.
Preferably, product pipeline 3 includes dynamic guide rail 31 and determines guide rail 32, dynamic guide rail 31
By the distance that multiple step motor control are movable, regulation is moved guide rail 31 and determines guide rail 32
Between distance, be used for carrying various sizes of product, the two ends determining guide rail 32 set up respectively
At 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 and determine all to be interval with multiple locking device 33 for locking product on guide rail 32.
Preferably, screen 10 undulate, screen 10 is high temperature resistant heat insulation material, dynamic
It is provided with screen 10 between the posterior edges of guide rail 31 and Reflow Soldering board 1, determines guide rail 32
It is provided with screen 10, dynamic guide rail 31 adjustable range forward with the forward edge of Reflow Soldering board 1
Time, dynamic guide rail 31 and determine guide rail 32 distance and diminish, screen 10 is stretched, and moves guide rail 31
Backward during adjustable range, moving guide rail 31 and determine guide rail 32 apart from change greatly, screen 10 shrinks.
Preferably, the first lower furnace 4 includes lower furnace outer housing 41, lower furnace inner bag 42 and two
Individual lower ventilating board 43, is provided with flue connecting plate 44 and multiple heating wire in lower furnace outer housing 41
Fixing seat 45, lower furnace inner bag 42 is arranged on flue connecting plate 44, and multiple heating wires are solid
Reservation 45 is fixed with at least one heating wire 46 simultaneously, and the two ends of heating wire 46 are connected to down
The both sides of flue outer housing 41, are provided with lower wind wheel fan housing 47 in the cavity of lower furnace inner bag 42,
Be stamped heating board 48 at the cavities open of lower furnace inner bag 42, on lower heating board 48 between
Every being provided with several exhaust vents, two lower ventilating boards 43 are separately mounted to lower furnace outer housing 41
Both sides, the middle part of lower furnace outer housing 41 is provided with lower furnace blower fan 49.
Air transmission preferably, when lower furnace blower fan 49 works, after heating wire 46 is heated
To the cavity of lower furnace inner bag 42, after the cavity of lower furnace inner bag 42, by lower heating
The through hole of plate 48 flows out, due between lower heating board 48 and the first warm area upper furnace 6 by keeping out the wind
Curtain 10 separates cannot continue rising, and hot-air flows in the cavity of lower furnace outer housing 41 again, by
Heating wire 46 again heats Posterior circle and utilizes.
Preferably, the first warm area upper furnace 6 includes stove on the first upper furnace outer housing 61, first
Ventilating board 63 on gallbladder inner bag 62 and two first, sets in the cavity of the first upper furnace outer housing 61
The first upper furnace connecting plate 64, the first upper furnace inner bag 62 is had to be arranged on the first upper furnace outer housing
On the first upper furnace connecting plate 64 in the cavity of 61, the cavity of the first upper furnace inner bag 62
Being stamped heating board 65 on first on opening, on first, heating board 65 is provided with several exhaust vents,
On two first, ventilating board 63 is separately positioned on the both sides of the first upper furnace outer housing 61, on first
The middle part of flue 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
Extract out outside the first upper furnace outer housing 61.
Preferably, the second warm area upper furnace 7 includes stove on the second upper furnace outer housing 71, second
Ventilating board 73 on gallbladder inner bag 72 and two second, in the cavity of the second upper furnace outer housing 71 between
Every being provided with multiple second upper furnace connecting plate 74, the second upper furnace inner bag 72 is arranged on second
On the second upper furnace connecting plate 74 in the cavity of flue outer housing 71, the second upper furnace inner bag
Wind wheel fan housing 75, the cavities open upper cover of the second upper furnace inner bag 72 it is provided with in the cavity of 72
Having heating board 76 on second, on second, heating board 76 is provided with several exhaust vents, two
On two, ventilating board 73 is separately positioned on the both sides of the second upper furnace outer housing 71, outside the second upper furnace
The middle part of cover 71 is provided with a fan 77, and the wind wheel of fan 77 stretches into wind wheel fan housing 75
In.
Preferably, when fan 77 works, cold air is from welding machine platform lid 1 side air holes 14
Flow in the cavity of the second upper furnace outer housing 71, after cold air enters the second upper furnace outer housing 71
It is delivered in the cavity of the second upper furnace inner bag 72 by fan 77 again, then sends out on second
The exhaust vent blowout of hot plate 76, and blow to product upper surface.
The utility model has the advantages that: this utility model have employed the first temperature that can be heated at reflux
District 8 and the second warm area 9, the first lower furnace heat air delivery of the first warm area 8, under product
Surface direction is blown, and the first warm area upper furnace of the first warm area 8 carries out convulsion, by product upper surface
Heat detach, make the temperature of product surface reduce；Product when multiple second warm area 9,
Second lower furnace heat air delivery, blows to the lower surface direction of product, the second temperature of the second warm area 9
The downward transporting cold wind of district's upper furnace, acts on the upper surface of product.
The control method of a kind of Through-hole reflow device, comprises the following steps:
A) control warm area, the first warm area (preheating zone) and second temperature of reflowable heating are set
District (recirculating zone)；First warm area is formed by the first warm area upper furnace and the first lower furnace, and second
Warm area is formed by the second warm area upper furnace and the second lower furnace；Second warm area upper furnace only blows cold
Wind, blows a cold wind in cooling zone；
B) the first warm area and the temperature value of the second warm area are set, by temperature sensor senses temperature
The temperature value in district, makes the temperature between the first warm area upper furnace and first lower furnace of the first warm area
Difference reaches maximum, makes the temperature between the second warm area upper furnace and second lower furnace of the second warm area
Degree difference reaches maximum；
C) preparing the product conveying unit of adjustable width, product is defeated by this product conveying unit
Deliver to the first warm area, the second warm area and cooling zone；
D) the first lower furnace heat air delivery of the first warm area, blows to the lower surface direction of product,
First warm area upper furnace of the first warm area carries out convulsion, is detached by the heat of product upper surface, makes
The temperature of product surface reduces, and prevents element high temperature；Product through multiple second warm areas,
Second lower furnace heat air delivery, blows to the lower surface direction of product, the second warm area of the second warm area
The downward transporting cold wind of upper furnace, acts on the upper surface of product, makes product upper surface and product
The temperature difference of lower surface reaches maximum；
E) output of products cooling zone, goes out finished product.
Preferably, the hot blast temperature of the second lower furnace conveying is more than the hot blast of the first lower furnace conveying
Temperature.
Preferably, the hot blast temperature of the second lower furnace conveying is 150 DEG C～260 DEG C；Described
The hot blast temperature of one lower furnace conveying is 30 DEG C～150 DEG C.
The control method of the Through-hole reflow device that this utility model uses, is provided with two temperature
District, the first warm area is preheating zone, and the second warm area is recirculating 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 there is hydronic effect, make full use of hot blast, reduce energy loss, save the energy,
This method step is simple, easily implements.
PCB plate through hole reflow process of the present utility model: PCB first print solder paste, enters
Manually insert components and parts before entering Reflow Soldering, enter two 140 DEG C～first warm area of 160 DEG C
Time (preheating warm area), solvent, gas evaporation in soldering paste fall, and meanwhile, soldering paste softens, collapses
Fall, cover pad, pad, component's feet are isolated with oxygen；And make sticking-element obtain
Sufficiently preheating, when subsequently entering the second warm area (Reflow Soldering), temperature is with 2-per second
3 DEG C of international standard heating rates rise rapidly makes soldering paste reach molten state, and liquid solder exists
The pad of PCB, components and parts welding end and pin moistening, diffusion, cross flow and backflow are blended in weldering
Generate metallic compound on junction face, form solder joints；Last PCB enters cooling zone and makes
Solder joint solidifies.
Embodiment the most of the present utility model, common for this area
For technical staff, it is possible to understand that in the case of without departing from principle of the present utility model and structure
These embodiments can be carried out multiple change, revise, replace and modification, of the present utility model
Scope is limited by claims and equivalency range thereof.
Claims (9)
1. a Through-hole reflow device, including Reflow Soldering board, described Reflow Soldering board
Upper plane back edge is provided with a welding machine platform lid that can open and close, it is characterised in that institute
Stating that the upper plane of Reflow Soldering board is provided with can be with the product pipeline of adjustment width, described Reflow Soldering
First lower furnace and at least of at least one upwards blowing hot-air it is sequentially provided with from left to right in board
One the second lower furnace upwards blown, in described welding machine platform lid, the position of corresponding first lower furnace sets
There is the first warm area upper furnace of convulsion, corresponding described second lower furnace in described welding machine platform lid
Position is provided with the second warm area upper furnace to fall wind, described first warm area upper furnace and first
Lower furnace forms the first warm area, described second warm area upper furnace and the second lower furnace and forms the second temperature
District, described product pipeline is positioned at the position of described first warm area and described second warm area and is provided with use
In screen cold wind and hot blast separated and can stretch or shorten, Reflow Soldering board sets
It is equipped with temperature sensing in having Human-machine Control interface, described first warm area and described second warm area
Device, is provided with gas analyzer for O2, described Reflow Soldering board is additionally provided with one in described Reflow Soldering board
Cooling zone；
Described product pipeline includes dynamic guide rail and determines guide rail, and described dynamic guide rail is by multiple steppings
Motor controls movable distance, and the dynamic guide rail of regulation and the distance determined between guide rail, for defeated
Various sizes of product, the described two ends determining guide rail is sent to be respectively erected in described Reflow Soldering board
Two ends, described dynamic guide rail and determine to be equipped with on guide rail conveyer belt, described dynamic guide rail with determine on guide rail
All it is interval with multiple locking device for locking product；
Described screen undulate, described screen is high temperature resistant heat insulation material, and described moving is led
It is provided with screen between the posterior edges of rail and described Reflow Soldering board, described determines guide rail with described
The forward edge of Reflow Soldering board is provided with screen, during described dynamic guide rail adjustable range forward, and institute
Stating guide rail and determine guide rail distance and diminish, described screen is stretched, and described dynamic guide rail is adjusted backward
Pitch from time, described dynamic guide rail and determine guide rail distance and become big, the contraction of described screen.
Through-hole reflow device 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, described lower stove
Being provided with flue connecting plate in gallbladder outer housing and multiple heating wire fixes seat, described lower furnace inner bag is installed
On described flue connecting plate, 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, in described lower furnace
It is provided with lower wind wheel fan housing in the cavity of gallbladder, is stamped at the cavities open of described lower furnace inner bag
Heating board, described lower heating board is interval with several exhaust vents, two described lower ventilating boards
Being separately mounted to the both sides of described lower furnace outer housing, the middle part of described lower furnace outer housing is provided with lower stove
Gallbladder blower fan.
Through-hole reflow device the most according to claim 2, it is characterised in that described
During the work of lower furnace blower fan, the air after being heated by heating wire is sent to the cavity of lower furnace inner bag
In, after the cavity of described lower furnace inner bag, the through hole of described lower heating board flow out, by
Separated by screen between lower heating board and described first warm area upper furnace and cannot continue to rise,
Hot-air flows in the cavity of lower furnace outer housing again, described heating wire again heat Posterior circle profit
With.
Through-hole reflow device the most according to claim 1, it is characterised in that described
First warm area upper furnace includes on the first upper furnace outer housing, the first upper furnace inner bag and two first
Ventilating board, is provided with the first upper furnace connecting plate in the cavity of described first upper furnace outer housing, described
First upper furnace inner bag is arranged on the first upper furnace in the cavity of described first upper furnace outer housing
On connecting plate, the cavities open of described first upper furnace inner bag is stamped heating board on first, institute
Stating heating board on first and be provided with several exhaust vents, on two described first, ventilating board sets respectively
Putting the both sides at described first upper furnace outer housing, the middle part of described first upper furnace outer housing is provided with
One convulsion motor.
Through-hole reflow device the most according to claim 4, it is characterised in that described
During the first convulsion motor operations, the hot-air of described first upper furnace inner bag extracts the first upper furnace out
Outside outer housing.
Through-hole reflow device the most according to claim 1, it is characterised in that described
Second warm area upper furnace includes on the second upper furnace outer housing, the second upper furnace inner bag and two second
Ventilating board, is interval with multiple second upper furnace and connects in the cavity of described second upper furnace outer housing
Plate, 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, institute
State and on the cavities open of the second upper furnace inner bag, be stamped heating board on second, generate heat on described second
Plate is provided with several exhaust vents, and on two described second, ventilating board is separately positioned on described second
The both sides of upper furnace outer housing, the middle part of described second upper furnace outer housing is provided with a fan, described
The wind wheel of fan stretches in described upper wind wheel fan housing.
Through-hole reflow device the most according to claim 6, it is characterised in that described
During fan work, cold air flows into stove on described second from the air holes of described welding machine Tai Gai side
In the cavity of gallbladder outer housing, cold air is defeated by fan again after entering described second upper furnace outer housing
Deliver in the cavity of the second upper furnace inner bag, then blown by the exhaust vent of heating board on described second
Go out, and blow to product upper surface.
Through-hole reflow device the most according to claim 7, it is characterised in that described
The hot blast temperature of the second lower furnace conveying is more than the hot blast temperature of the first lower furnace conveying.
Through-hole reflow device the most according to claim 8, it is characterised in that described
The hot blast temperature of the second lower furnace conveying is 150 DEG C～260 DEG C；Described first lower furnace conveying
Hot blast temperature be 30 DEG C～150 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408434.XU CN205629586U (en) | 2016-05-06 | 2016-05-06 | Through -hole reflow soldering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408434.XU CN205629586U (en) | 2016-05-06 | 2016-05-06 | Through -hole reflow soldering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205629586U true CN205629586U (en) | 2016-10-12 |
Family
ID=57050004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620408434.XU Withdrawn - After Issue CN205629586U (en) | 2016-05-06 | 2016-05-06 | Through -hole reflow soldering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205629586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772886A (en) * | 2016-05-06 | 2016-07-20 | 东莞市科隆威自动化设备有限公司 | Through hole reflow soldering device and control method thereof |
-
2016
- 2016-05-06 CN CN201620408434.XU patent/CN205629586U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772886A (en) * | 2016-05-06 | 2016-07-20 | 东莞市科隆威自动化设备有限公司 | Through hole reflow soldering device and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105772886B (en) | A kind of Through-hole reflow device and its control method | |
| CN105772887B (en) | A kind of Multifunctional reflux welder and its control method | |
| WO2005096367A8 (en) | Heater, reflow apparatus, and solder bump forming method and apparatus | |
| CN88100726A (en) | Focus on convection current reflow soldering method and equipment | |
| CN105149719B (en) | Automatic welding device and welding method of circuit board welding machine | |
| CN205702762U (en) | A kind of Multifunctional reflux welder | |
| CN205629586U (en) | Through -hole reflow soldering device | |
| US20100219228A1 (en) | Reflow apparatus | |
| CN105414694B (en) | Binary channels reflow soldering | |
| CN105108262B (en) | A kind of wiring board direct inserting device automatic welding machine | |
| CN111451592B (en) | Through hole reflow soldering equipment and through hole reflow soldering processing method | |
| CN205356821U (en) | PCB reprocesses heating device | |
| CN214753663U (en) | Small-size solidification equipment after BGA chip plants ball | |
| CN204397113U (en) | A kind of solder reflow device | |
| CN205631659U (en) | Multi -functional printing production line | |
| CN205464672U (en) | Reflow soldering machine | |
| CN209647790U (en) | A kind of double track refluxing unit that welding effect is good | |
| CN2610608Y (en) | Preheating device of wave soldering | |
| US5146694A (en) | Vapor reflow type soldering apparatus | |
| CN207835960U (en) | A kind of fast welder of SMT double applyings piece | |
| CN105799308B (en) | A kind of Multifunctional printing production line | |
| CN2753104Y (en) | Refluxing welder | |
| CN205496728U (en) | LED welding machine that flows back | |
| CN214212525U (en) | Reflow soldering machine heating device | |
| CN206277012U (en) | A kind of wire riveting position adds tin equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20180227 |