CN104551305B - Through-hole reflow soldering machine - Google Patents
Through-hole reflow soldering machine Download PDFInfo
- Publication number
- CN104551305B CN104551305B CN201510027897.1A CN201510027897A CN104551305B CN 104551305 B CN104551305 B CN 104551305B CN 201510027897 A CN201510027897 A CN 201510027897A CN 104551305 B CN104551305 B CN 104551305B
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- furnace body
- cooling
- heating
- blowing
- circulating
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- 238000005476 soldering Methods 0.000 title claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 176
- 238000007664 blowing Methods 0.000 claims abstract description 104
- 238000010438 heat treatment Methods 0.000 claims abstract description 94
- 238000006243 chemical reaction Methods 0.000 claims abstract description 56
- 230000004089 microcirculation Effects 0.000 claims abstract description 27
- 230000004087 circulation Effects 0.000 claims description 52
- 238000007669 thermal treatment Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 2
- 238000003754 machining Methods 0.000 abstract 1
- UFNIBRDIUNVOMX-UHFFFAOYSA-N 2,4'-dichlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1Cl UFNIBRDIUNVOMX-UHFFFAOYSA-N 0.000 description 25
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
- B23K3/047—Heating appliances electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/085—Cooling, heat sink or heat shielding means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention discloses a structure modified through-hole reflow soldering machine. A circuit board conveying rail, eight heating regions and two natural air cooling regions are mounted in the reflow soldering machine. Every heating region comprises a micro-circulation air blowing area and a micro-circulation heating area. Every micro-circulation air blowing area comprises a circulating air blowing inner furnace, a circulating air blowing outer furnace and a circulating air blowing frequency conversion fan. Every micro-circulation heating area comprises a circulating heating inner furnace, a circulating heating outer furnace, a circulating heating frequency conversion fan and an electric heater. Every natural air cooling region comprises an upper cooling area and a lower cooling area. Every upper cooling area comprises an upper cooling inner furnace, an upper cooling outer furnace and an upper cooling frequency conversion fan. Every lower cooling area comprises a lower cooling inner furnace, a lower cooling outer furnace and a lower cooling frequency conversion fan. The structure modified through-hole reflow soldering machine is controlled through a PLC (Programmable Logic Controller). By means of the above structure design, the structure modified through-hole reflow soldering machine can automatically and efficiently complete the machining of PCB (printed circuit board) through-hole reflow soldering in high quality and is novel in structural design and high in automation degree.
Description
Technical field
The present invention relates to technical field of automation equipment, particularly relate to a kind of structure improved Through-hole reflow machine.
Background technology
The needs being increasingly miniaturized due to electronic product PCB, occur in that chip component, and traditional welding method is
Can not meet the needs of；First, have employed reflow soldering process in hybrid circuit board assembles, the element majority of assembly welding is
Flaky electric capacity, pellet inductor, pasting type transistor and diode etc..Along with the development of SMT whole technology is gradually improved, multiple paster
Element (SMC) and the appearance of Mount Device (SMD), reflow soldering process technology and equipment as a mounting technology part also obtain
Corresponding development, its application is increasingly extensive, is almost the most applied at all electronics field.
For Through-hole reflow technique, the most efficiently and in high quality complete Through-hole reflow processing and seem the heaviest
Want.
Summary of the invention
It is an object of the invention to provide a kind of structure improved Through-hole reflow machine, this structure improved Through-hole reflow
Machine is novel in design, automaticity is high, work efficiency is high and can effectively ensure the quality of Through-hole reflow.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions.
A kind of structure improved Through-hole reflow machine, includes Reflow Soldering board, and Reflow Soldering board is fitted with and is positioned at backflow
The inside of welding machine platform and the wiring board delivery track arranged in horizontal cross, the inside of Reflow Soldering board is equiped with eight along line
The heating warm area that the length direction of road plate delivery track is arranged successively, each heating warm area includes one respectively and is positioned at wiring board conveying
The microcirculation blowing district and of track upper end side is positioned at the microcirculation thermal treatment zone of wiring board delivery track lower end side；
Each microcirculation blowing district includes respectively circulates blowing inner furnace body and circulation blowing external furnace body, the circulation outer stove of blowing
The inside of body forms the blowing external furnace body inner chamber of downwardly facing opening, and circulation blowing inner furnace body is flush-mounted in blowing of circulation blowing external furnace body
Wind external furnace body inner chamber, the inside of circulation blowing inner furnace body forms upwardly opening blowing inner furnace body inner chamber, stove in circulation blowing
The base plate of body offers the gas hole of distribution in uniform intervals, and the corresponding each gas hole of base plate lower surface of circulation blowing inner furnace body divides
Not being equiped with the blowing nozzle towards wiring board delivery track Lateral supply, the upper end of circulation blowing external furnace body is equiped with circulation blowing and becomes
Frequently blower fan, the impeller of circulation blowing frequency conversion fan is through circulating the opening of blowing inner furnace body and stretching to circulation blowing inner furnace body
Blowing inner furnace body inner chamber；
Each microcirculation thermal treatment zone includes circulating-heating inner furnace body and circulating-heating external furnace body respectively, the outer stove of circulating-heating
The inside of body forms upwardly opening heating external furnace body inner chamber, and circulating-heating inner furnace body is flush-mounted in adding of circulating-heating external furnace body
Hot external furnace body inner chamber, the inside of circulating-heating inner furnace body forms the heating inner furnace body inner chamber of downwardly facing opening, stove in circulating-heating
The top board of body offers the gas hole of distribution in uniform intervals, and the corresponding each gas hole of the cover top surface of circulating-heating inner furnace body divides
Not being equiped with the blowing nozzle towards wiring board delivery track Lateral supply, the bottom of circulating-heating external furnace body is equiped with circulating-heating and becomes
Frequently blower fan, the impeller of circulating-heating frequency conversion fan passes the opening of circulating-heating inner furnace body and stretches to circulating-heating inner furnace body
Heating inner furnace body inner chamber, the gap between circulating-heating inner furnace body and circulating-heating external furnace body is equiped with electric heater；
The inside of Reflow Soldering board is equiped with two in the heating warm area rear end side of end and depends on along wiring board delivery track
The natural wind cooling zone of secondary arrangement, each natural air cooling district includes one respectively and is positioned at the upper cold of wiring board delivery track upper end side
But district and is positioned at the lower cooling zone of wiring board delivery track lower end side；
Each upper cooling zone includes cooling inner furnace body and upper cooling external furnace body respectively, and the inside of upper cooling external furnace body becomes
Type has the upper cooling external furnace body inner chamber of downwardly facing opening, and upper cooling inner furnace body is flush-mounted in the upper cooling external furnace body of cooling external furnace body
Chamber, the inside of upper cooling inner furnace body forms upwardly opening upper cooling inner furnace body inner chamber, and the base plate of upper cooling inner furnace body is offered
Having the gas hole of distribution in uniform intervals, the corresponding each gas hole of the base plate lower surface of upper cooling inner furnace body is equiped with respectively towards circuit
The blowing nozzle of plate delivery track Lateral supply, the upper end of upper cooling external furnace body is equiped with cooling frequency conversion fan, upper cooling frequency conversion
The impeller of blower fan passes the opening of upper cooling inner furnace body and stretches to the upper cooling inner furnace body inner chamber of cooling inner furnace body；
Each lower cooling zone includes lower cooling inner furnace body and lower cooling external furnace body respectively, and the inside of lower cooling external furnace body becomes
Type has upwardly opening lower cooling external furnace body inner chamber, and lower cooling inner furnace body is flush-mounted in the lower cooling external furnace body of lower cooling external furnace body
Chamber, the inside of lower cooling inner furnace body forms the lower cooling inner furnace body inner chamber of downwardly facing opening, and the top board of lower cooling inner furnace body is offered
Having the gas hole of distribution in uniform intervals, the corresponding each gas hole of the cover top surface of lower cooling inner furnace body is equiped with respectively towards circuit
The blowing nozzle of plate delivery track Lateral supply, the bottom of lower cooling external furnace body is equiped with lower cooling frequency conversion fan, lower cooling frequency conversion
The impeller of blower fan passes the opening of lower cooling inner furnace body and stretches to the lower cooling inner furnace body inner chamber of lower cooling inner furnace body；
This structure improved Through-hole reflow machine is fitted with PLC, wiring board delivery track, circulation blowing frequency conversion wind
Machine, circulating-heating frequency conversion fan, upper cooling frequency conversion fan and lower cooling frequency conversion fan electrically connect with PLC respectively.
Wherein, described wiring board delivery track includes two parallel interval layouts and respectively along wiring board delivery track
Length direction extend guide rail, each guide rail offer respectively towards inner opening and along rail length direction extend guide groove, respectively lead
Being embedded with chain in groove respectively, chain is fitted with driving motor, drives motor and chain drive connection, described
PLC electrically connects with driving motor.
The invention have the benefit that one of the present invention structure improved Through-hole reflow machine, its reflow machine
The internal wiring plate delivery track of platform, eight heating warm areas and two natural wind cooling zones；Each heating warm area includes one respectively
Microcirculation blowing district, a microcirculation thermal treatment zone, each microcirculation blowing district includes circulation blowing inner furnace body respectively, circulates outer stove of drying
Body, circulation blowing frequency conversion fan, each microcirculation thermal treatment zone includes circulating-heating inner furnace body, circulating-heating external furnace body respectively, follows
Ring heating frequency conversion fan and the electric heater between circulating-heating inner furnace body and circulating-heating external furnace body；Each natural air cooling
District include respectively cooling zone on, once cooling zone, each upper cooling zone include respectively cooling inner furnace body, upper cooling external furnace body,
Upper cooling frequency conversion fan, each lower cooling zone includes lower cooling inner furnace body, lower cooling external furnace body, lower cooling frequency conversion fan respectively；Should
Structure improved Through-hole reflow machine is equipped with PLC.Being designed by said structure, the present invention can be automatical and efficient and high-quality
Complete to amount the processing of PCB Through-hole reflow, the i.e. present invention there is novel in structural design, automaticity height and can have
The advantage that effect ground ensures Through-hole reflow quality.
Accompanying drawing explanation
Below with accompanying drawing, the present invention is further detailed, but the embodiment in accompanying drawing is not constituted this
Bright any restriction.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the close-up schematic view of " A " position shown in Fig. 1.
Include in fig. 1 and 2:
1 Reflow Soldering board 2 wiring board delivery track
21 guide rail 22 chains
3 microcirculation blowing district 31 circulation blowing inner furnace bodies
311 blowing inner furnace body inner chamber 32 circulation blowing external furnace bodies
321 blowing external furnace body inner chamber 33 circulation blowing frequency conversion fans
The 4 microcirculation thermal treatment zone 41 circulating-heating inner furnace bodies
411 heating inner furnace body inner chamber 42 circulating-heating external furnace bodies
421 heating external furnace body inner chamber 43 circulating-heating frequency conversion fans
Cooling zone on 44 electric heaters 5
Cool down on 51 and on inner furnace body 511, cool down inner furnace body inner chamber
Cool down on 52 and on external furnace body 521, cool down external furnace body inner chamber
6 times cooling zones of frequency conversion fan are cooled down on 53
611 times cooling inner furnace body inner chambers of 61 times cooling inner furnace bodies
621 times cooling external furnace body inner chambers of 62 times cooling external furnace bodies
63 times cooling frequency conversion fan 7 blowing nozzles
8 PCB.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be described.
As depicted in figs. 1 and 2, a kind of structure improved Through-hole reflow machine, include Reflow Soldering board 1, reflow machine
Platform 1 is fitted with the inside being positioned at Reflow Soldering board 1 and the wiring board delivery track 2 arranged in horizontal cross, Reflow Soldering board 1
Inside is equiped with eight heating warm areas arranged successively along the length direction of wiring board delivery track 2, and each heating warm area is respectively
Include a microcirculation blowing district 3 and being positioned at wiring board delivery track 2 upper end side and be positioned at wiring board delivery track 2 lower end
The microcirculation thermal treatment zone 4 of side.
Wherein, each microcirculation blowing district 3 includes circulation blowing inner furnace body 31 and circulation blowing external furnace body 32 respectively, follows
The inside of ring blowing external furnace body 32 forms the blowing external furnace body inner chamber 321 of downwardly facing opening, and circulation blowing inner furnace body 31 is flush-mounted in
The blowing external furnace body inner chamber 321 of circulation blowing external furnace body 32, the inside of circulation blowing inner furnace body 31 forms upwardly opening blowing
Wind inner furnace body inner chamber 311, the base plate of circulation blowing inner furnace body 31 offers the gas hole of distribution in uniform intervals, in circulation blowing
The corresponding each gas hole of the base plate lower surface of body of heater 31 is equiped with the blowing nozzle 7 towards wiring board delivery track 2 Lateral supply respectively, circulation
The upper end of blowing external furnace body 32 is equiped with circulation blowing frequency conversion fan 33, and the impeller of circulation blowing frequency conversion fan 33 is through circulation
The blowing opening of inner furnace body 31 also stretches to the blowing inner furnace body inner chamber 311 of circulation blowing inner furnace body 31.
Further, each microcirculation thermal treatment zone 4 includes circulating-heating inner furnace body 41 and circulating-heating external furnace body respectively
42, the inside of circulating-heating external furnace body 42 forms upwardly opening heating external furnace body inner chamber 421, and circulating-heating inner furnace body 41 is embedding
Being loaded on the heating external furnace body inner chamber 421 of circulating-heating external furnace body 42, the inside of circulating-heating inner furnace body 41 forms downwardly facing opening
Heating inner furnace body inner chamber 411, the top board of circulating-heating inner furnace body 41 offers in uniform intervals the gas hole of distribution, and circulation adds
The corresponding each gas hole of the cover top surface of hot-blast stove body 41 is equiped with the blowing nozzle 7 towards wiring board delivery track 2 Lateral supply respectively,
The bottom of circulating-heating external furnace body 42 is equiped with circulating-heating frequency conversion fan 43, and the impeller of circulating-heating frequency conversion fan 43 passes
The opening of circulating-heating inner furnace body 41 also stretches to the heating inner furnace body inner chamber 411 of circulating-heating inner furnace body 41, in circulating-heating
Gap between body of heater 41 and circulating-heating external furnace body 42 is equiped with electric heater 44.
It addition, the inside of Reflow Soldering board 1 is equiped with two along wiring board conveying in the heating warm area rear end side of end
The natural wind cooling zone that track 2 is arranged successively, each natural air cooling district includes one respectively and is positioned at wiring board delivery track 2 upper end
The upper cooling zone 5 of side and one is positioned at the lower cooling zone 6 of wiring board delivery track 2 lower end side.
Wherein, each upper cooling zone 5 includes cooling inner furnace body 51 and upper cooling external furnace body 52 respectively, the outer stove of upper cooling
The inside of body 52 forms the upper cooling external furnace body inner chamber 521 of downwardly facing opening, and upper cooling inner furnace body 51 is flush-mounted in the outer stove of cooling
The upper cooling external furnace body inner chamber 521 of body 52, the inside of upper cooling inner furnace body 51 forms in upwardly opening upper cooling inner furnace body
Chamber 511, the base plate of upper cooling inner furnace body 51 offers the gas hole of distribution in uniform intervals, under the base plate of upper cooling inner furnace body 51
The corresponding each gas hole in surface is equiped with the blowing nozzle 7 towards wiring board delivery track 2 Lateral supply respectively, upper cooling external furnace body 52 upper
End is equiped with cooling frequency conversion fan 53, and the impeller of upper cooling frequency conversion fan 53 passes the opening of upper cooling inner furnace body 51 and stretches
Enter the upper cooling inner furnace body inner chamber 511 of supreme cooling inner furnace body 51.
Further, each lower cooling zone 6 includes lower cooling inner furnace body 61 and lower cooling external furnace body 62, lower cooling respectively
The inside of external furnace body 62 forms upwardly opening lower cooling external furnace body inner chamber 621, and lower cooling inner furnace body 61 is flush-mounted in lower cooling
The lower cooling external furnace body inner chamber 621 of external furnace body 62, the inside of lower cooling inner furnace body 61 forms stove in the lower cooling of downwardly facing opening
Intracoelomic cavity 611, the top board of lower cooling inner furnace body 61 offers the gas hole of distribution, the top of lower cooling inner furnace body 61 in uniform intervals
The corresponding each gas hole of plate upper surface is equiped with the blowing nozzle 7 towards wiring board delivery track 2 Lateral supply, lower cooling external furnace body 62 respectively
Bottom be equiped with lower cooling frequency conversion fan 63, the impeller of lower cooling frequency conversion fan 63 is through the opening of lower cooling inner furnace body 61
And stretch to the lower cooling inner furnace body inner chamber 611 of lower cooling inner furnace body 61.
It should further be noted that this structure improved Through-hole reflow machine is fitted with PLC, wiring board delivery track 2,
Circulation blowing frequency conversion fan 33, circulating-heating frequency conversion fan 43, upper cooling frequency conversion fan 53 and lower cooling frequency conversion fan 63 points
Do not electrically connect with PLC.Wherein, the temperature values in each microcirculation blowing district 3 is 80-100 degree, each microcirculation hot blast district
The temperature values of 4 is 200-250 degree.
In work process of the present invention, the PCB 8 after brush tin cream, plug-in unit processing enters to wiring board conveyor track
Road 2, under the driving effect of wiring board delivery track 2, PCB 8 sequentially passes through eight heating warm areas and two natures
Air cooling district.Wherein, when PCB 8 is through each heating warm area, the circulation blowing frequency conversion fan 33 in microcirculation blowing district 3
Down dry, by the circulation blowing air-flow that driven of frequency conversion fan 33 by the gas hole of circulation blowing inner furnace body 31 base plate and
Blowing nozzle 7 and be fed through PCB 8 upper surface, said flow is by PCB 8 upper surface to PCB 8
Upper surface carries out cooling blowing, is plugged in the electronic devices and components of PCB 8 upper surface with protection, in PCB 8
The air-flow on surface via the gap between circulation blowing inner furnace body 31 and circulation blowing external furnace body 32, blow to circulation by circulating reflux
The blowing inner furnace body inner chamber 311 of wind inner furnace body 31；Electricity at microcirculation blowing district 3 quenching protection PCB 8 upper surface
During sub-components and parts, the circulating-heating frequency conversion fan 43 of the microcirculation thermal treatment zone 4 is toward up-draught, by circulating-heating frequency conversion fan
43 air-flows driven are fed through PCB 8 through gas hole and the blowing nozzle 7 of circulating-heating inner furnace body 41 top board
Lower surface, said flow carries out heat treated to the tin cream of PCB 8 lower surface and is finally completed the pin of electronic devices and components
Welding, between the air-flow of PCB 8 lower surface is between circulating-heating inner furnace body 41 and circulating-heating external furnace body 42
Gap and circulating reflux are to the heating inner furnace body inner chamber 411 of circulating-heating inner furnace body 41.
Through each heating warm area and complete Through-hole reflow processing PCB 8 pass sequentially through again two natural air cooled
But district, two natural wind cooling zones carry out cooling process to PCB 8；Wherein, the upper cooling frequency conversion fan of upper cooling zone 5
53 down dry, upper cooling frequency conversion fan 53 air-flow driven is by the gas hole of upper cooling inner furnace body 51 base plate and blows
Valve 7 and be fed through PCB 8 upper surface, said flow is by PCB 8 upper surface in PCB 8
Surface carries out cooling blowing, through the air-flow of PCB 8 upper surface via upper cooling inner furnace body 51 and upper cooling external furnace body 52
Between gap and the upper cooling inner furnace body inner chamber 511 of circulating reflux supreme cooling inner furnace body 51.Same, lower cooling zone 6
Lower cooling frequency conversion fan 63 is toward up-draught, lower cooling frequency conversion fan 63 air-flow driven is by lower cooling inner furnace body 61 top board
Gas hole and blowing nozzle 7 and be fed through PCB 8 lower surface, said flow by PCB 8 lower surface also
PCB 8 lower surface is carried out cooling blowing, through PCB 8 lower surface air-flow via lower cooling inner furnace body 61 with
Gap between lower cooling external furnace body 62 and circulating reflux are to the lower cooling inner furnace body inner chamber 611 of lower cooling inner furnace body 61.
Need to be explained further, the present invention can control each frequency conversion fan action, the i.e. present invention by PLC can through hole
The running speed controlling frequency conversion fan controls chilling temperature and heating-up temperature.
Summary situation understands, and is designed by said structure, and the present invention can complete PCB automatical and efficient and in high quality
Wiring board 8 Through-hole reflow is processed, and i.e. the present invention has novel in structural design, automaticity is high and can effectively ensure to lead to
The advantage of hole Reflow Soldering quality.
As preferred embodiment, as depicted in figs. 1 and 2, wiring board delivery track 2 includes two parallel interval cloth
The guide rail 21 put and extend respectively along wiring board delivery track 2 length direction, each guide rail 21 offer respectively towards inner opening and
The guide groove extended along guide rail 21 length direction, is embedded with chain 22 respectively in each guide groove, chain 22 is fitted with and drives
Galvanic electricity machine, drives motor and chain 22 drive connection, PLC to electrically connect with driving motor.Circuit in the present invention
During plate delivery track 2 carries PCB 8, PCB 8 is taken and is put in chain 22, and the guide groove of each guide rail 21
The effect guiding PCB 8 to move can be played.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention's
Thought, the most all will change, and this specification content should not be construed as the present invention
Restriction.
Claims (2)
1. a structure improved Through-hole reflow machine, it is characterised in that: include Reflow Soldering board (1), Reflow Soldering board (1)
It is fitted with the inside being positioned at Reflow Soldering board (1) and the wiring board delivery track (2) arranged in horizontal cross, Reflow Soldering board
(1) inside is equiped with eight heating warm areas arranged successively along the length direction of wiring board delivery track (2), respectively heats temperature
District includes microcirculation blowing district (3) being positioned at wiring board delivery track (2) upper end side respectively and one to be positioned at wiring board defeated
Send the microcirculation thermal treatment zone (4) of track (2) lower end side；
Each microcirculation blowing district (3) includes circulation blowing inner furnace body (31) and circulation blowing external furnace body (32), circulation respectively
The inside of blowing external furnace body (32) forms blowing external furnace body inner chamber (321) of downwardly facing opening, and circulation blowing inner furnace body (31) is embedding
Being loaded on blowing external furnace body inner chamber (321) of circulation blowing external furnace body (32), the inside of circulation blowing inner furnace body (31) forms court
Blowing inner furnace body inner chamber (311) of upper shed, the base plate of circulation blowing inner furnace body (31) offers in uniform intervals blowing of distribution
Pore, the corresponding each gas hole of the base plate lower surface of circulation blowing inner furnace body (31) is equiped with respectively towards wiring board delivery track (2)
The blowing nozzle (7) of Lateral supply, the upper end of circulation blowing external furnace body (32) is equiped with circulation blowing frequency conversion fan (33), and circulation is blown
The impeller of wind frequency conversion fan (33) is through circulating the opening of blowing inner furnace body (31) and stretching to circulation blowing inner furnace body (31)
Blowing inner furnace body inner chamber (311)；
Each microcirculation thermal treatment zone (4) includes circulating-heating inner furnace body (41) and circulating-heating external furnace body (42) respectively, circulation
The inside of heating external furnace body (42) forms upwardly opening heating external furnace body inner chamber (421), and circulating-heating inner furnace body (41) is embedding
Being loaded on heating external furnace body inner chamber (421) of circulating-heating external furnace body (42), the inside of circulating-heating inner furnace body (41) forms court
Heating inner furnace body inner chamber (411) of under shed, the top board of circulating-heating inner furnace body (41) offers in uniform intervals blowing of distribution
Pore, the corresponding each gas hole of the cover top surface of circulating-heating inner furnace body (41) is equiped with respectively towards wiring board delivery track (2)
The blowing nozzle (7) of Lateral supply, the bottom of circulating-heating external furnace body (42) is equiped with circulating-heating frequency conversion fan (43), and circulation adds
The impeller of hot frequency conversion fan (43) passes the opening of circulating-heating inner furnace body (41) and stretches to circulating-heating inner furnace body (41)
Heating inner furnace body inner chamber (411), the gap between circulating-heating inner furnace body (41) and circulating-heating external furnace body (42) is equiped with electricity
Heater (44)；
The inside of Reflow Soldering board (1) is equiped with two along wiring board delivery track (2) in the heating warm area rear end side of end
The natural wind cooling zone arranged successively, each natural air cooling district includes one respectively and is positioned at wiring board delivery track (2) upper end side
Upper cooling zone (5) and be positioned at the lower cooling zone (6) of wiring board delivery track (2) lower end side；
Each upper cooling zone (5) includes cooling inner furnace body (51) and upper cooling external furnace body (52), upper cooling external furnace body respectively
(52) inside forms upper cooling external furnace body inner chamber (521) of downwardly facing opening, and upper cooling inner furnace body (51) is flush-mounted in cooling
Upper cooling external furnace body inner chamber (521) of external furnace body (52), the inside of upper cooling inner furnace body (51) forms upwardly opening upper cold
But inner furnace body inner chamber (511), the base plate of upper cooling inner furnace body (51) offers the gas hole of distribution in uniform intervals, in upper cooling
The corresponding each gas hole of the base plate lower surface of body of heater (51) is equiped with the blowing nozzle towards wiring board delivery track (2) Lateral supply respectively
(7), the upper end of upper cooling external furnace body (52) is equiped with cooling frequency conversion fan (53), the impeller of upper cooling frequency conversion fan (53)
Through the opening of upper cooling inner furnace body (51) and stretch to upper cooling inner furnace body inner chamber (511) of upper cooling inner furnace body (51)；
Each lower cooling zone (6) includes lower cooling inner furnace body (61) and lower cooling external furnace body (62), lower cooling external furnace body respectively
(62) inside forms upwardly opening lower cooling external furnace body inner chamber (621), and lower cooling inner furnace body (61) is flush-mounted in lower cooling
Lower cooling external furnace body inner chamber (621) of external furnace body (62), the inside of lower cooling inner furnace body (61) forms under downwardly facing opening cold
But inner furnace body inner chamber (611), the top board of lower cooling inner furnace body (61) offers the gas hole of distribution in uniform intervals, in lower cooling
The corresponding each gas hole of the cover top surface of body of heater (61) is equiped with the blowing nozzle towards wiring board delivery track (2) Lateral supply respectively
(7), the bottom of lower cooling external furnace body (62) is equiped with lower cooling frequency conversion fan (63), the impeller of lower cooling frequency conversion fan (63)
Through the opening of lower cooling inner furnace body (61) and stretch to lower cooling inner furnace body inner chamber (611) of lower cooling inner furnace body (61)；
This structure improved Through-hole reflow machine is fitted with PLC, wiring board delivery track (2), circulation blowing frequency conversion wind
Machine (33), circulating-heating frequency conversion fan (43), upper cooling frequency conversion fan (53) and lower cooling frequency conversion fan (63) respectively with PLC
Controller electrically connects.
One the most according to claim 1 structure improved Through-hole reflow machine；It is characterized in that: described wiring board carries
Track (2) includes the guide rail that two parallel interval are arranged and extended respectively along wiring board delivery track (2) length direction
(21), each guide rail (21) offers towards inner opening and the guide groove that extends along guide rail (21) length direction respectively, in each guide groove point
Not being embedded with chain (22), chain (22) is fitted with driving motor, drives motor to drive even with chain (22)
Connecing, described PLC electrically connects with driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027897.1A CN104551305B (en) | 2015-01-21 | 2015-01-21 | Through-hole reflow soldering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027897.1A CN104551305B (en) | 2015-01-21 | 2015-01-21 | Through-hole reflow soldering machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104551305A CN104551305A (en) | 2015-04-29 |
| CN104551305B true CN104551305B (en) | 2017-01-11 |
Family
ID=53068950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510027897.1A Active CN104551305B (en) | 2015-01-21 | 2015-01-21 | Through-hole reflow soldering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104551305B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Effective date of registration: 20190903 Address after: 523808 Room 212, Building 6, Libin Road, Songshan Lake Community, Songshan Lake Park, Dongguan City, Guangdong Province Patentee after: Dongguan Guomai Intelligent Technology Co., Ltd. Address before: 518104 5th Floor, B5 Building, Nanpu Science Park, Oyster 4th Nanpu, Shajing Town, Baoan District, Shenzhen City, Guangdong Province Patentee before: Li Zhansheng |