CN206335219U - A kind of monoblock type extractor fan - Google Patents
A kind of monoblock type extractor fan Download PDFInfo
- Publication number
- CN206335219U CN206335219U CN201621436196.XU CN201621436196U CN206335219U CN 206335219 U CN206335219 U CN 206335219U CN 201621436196 U CN201621436196 U CN 201621436196U CN 206335219 U CN206335219 U CN 206335219U
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- Prior art keywords
- air extracting
- extracting box
- box
- cavity
- exhausting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model is related to a kind of monoblock type extractor fan, in the burner hearth of reflow soldering, the device includes upper air extracting box (1), lower air extracting box (2), exhaust column (5) and exhausting motor, described upper air extracting box (1) is the open box body in lower section, lower air extracting box (2) is the open box body in top, upper air extracting box (1) and lower air extracting box (2) opening end are oppositely arranged and are separately fixed at burner hearth top and the bottom, upper air extracting box (1) and lower air extracting box (2) opening end are fixedly connected to form seal cavity by connector, the described exhaust column (5) of described exhausting motor connection, described exhaust column (5) is arranged on below lower air extracting box (2) and connects described seal cavity.Compared with prior art, the pcb board that the utility model extractor fan is simple in construction, exhausting effect is good, be hardly damaged in reflow soldering.
Description
Technical field
The utility model is related to a kind of extractor fan, more particularly, to a kind of monoblock type extractor fan.
Background technology
Reflow soldering is for a kind of welding equipment in SMT industries.It can provide automatic and stable heating environment, make
Solder(ing) paste melted by heat in burner hearth, so as to allow on pcb board the electric elements mounted in advance and the pcb board can by soldering alloy
It is combined together by ground.
After solder(ing) paste melted by heat, scaling powder part therein forms steam, and most of scaling powder steam can be from suction opeing
Place, which is pumped, leaves burner hearth；Exhausting system used by current reflow soldering is all direct exhausting, and the pipeline of generally upper exhausting can be consolidated
Upper furnace is scheduled on, lower air draft pipeline can be fixed on lower furnace portion.Due to scaling powder steam easily in temperature than relatively low surface
Upper condensation, has a small amount of scaling powder liquefaction and is attached on suction opeing wall.When the scaling powder of liquid is deposited in upper suction opeing, just
Drop can be formed, is finally dropped down, and has very big probability to drop onto on wiring board (PCB), the matter of customer line plate is caused
Amount is unqualified or even scraps.
Utility model content
The purpose of this utility model is exactly the defect in order to overcome above-mentioned prior art presence and provides a kind of monoblock type and take out
Wind apparatus.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of monoblock type extractor fan, in the burner hearth of reflow soldering, the device includes upper air extracting box, lower exhausting
Box, exhaust column and exhausting motor, described upper air extracting box are the open box body in lower section, and lower air extracting box is the open box body in top,
Upper air extracting box and lower air extracting box opening end are oppositely arranged and are separately fixed at burner hearth top and the bottom, and upper air extracting box and lower air extracting box are open
End is fixedly connected to form seal cavity, the described exhaust column of described exhausting motor connection, described exhaust column by connector
It is arranged on below lower air extracting box and connects described seal cavity.
Include outter box and internal partition in described upper air extracting box, described outter box is the box body of lower ending opening, described
Internal partition set two pieces, described internal partition is oppositely arranged in outter box and outter box is divided into the first middle chamber and two
Connected above the baffling cavity of side, the first described middle chamber with both sides baffling cavity.
Described internal partition includes vertical section and tilting section, and described tilting section is arranged on vertical section top and upward exhausting
Box medial axis direction is tilted, the "eight" shape structure of two tilting section formation upper openings, described baffling cavity and first
Opening of the middle chamber above described tilting section is interconnected.
Described lower air extracting box internal structure is symmetrical arranged with described upper air extracting box internal structure, in lower air extracting box second
Between cavity and the backflow cavity of both sides, the second described middle chamber connects with the first described middle chamber, described backflow
Cavity is connected with described baffling cavity, and the second described middle chamber is connected with the backflow cavity of both sides.
Exhausting baffle plate is equipped with inside described upper air extracting box and lower air extracting box, described exhausting baffle plate is horizontally set on
In the middle part of air extracting box and lower air extracting box, described exhausting barrier width is less than upper air extracting box and lower air extracting box inboard width.
Described exhausting baffle plate is movably arranged in air extracting box and lower air extracting box.
Compared with prior art, the utility model has the following advantages that：
(1) extractor fan of the present utility model carries out assembling by the upper cartridge body and lower box body of connection up and down and forms monoblock type
Structure, only need to carry out exhausting in bottom using an exhausting motor, simplify equipment, maintain easily maintenance, reduce into
This；
(2) extractor fan of the present utility model includes the first middle chamber and the second middle chamber and the phase being interconnected
Intercommunicated baffling cavity and backflow cavity, in the presence of exhausting motor, the gas part in burner hearth is up walked, a part
Walk downward, the gas up walked carries out baffling after the first middle chamber by baffling cavity, then by backflow cavity stream
The exhausting tube side-by-side passed under lower air extracting box goes out, and the air-flow walked downward is directly over the second middle chamber and flow to exhausting tube side-by-side
Go out, effective discharge of the gas in the burner hearth of reflow soldering is realized in this way, even if minimal amount of steam is taken out under
Wind box is condensed into liquid and is attached on lower air extracting box inwall, when the scaling powder of liquid is accumulated to a certain extent, can be taken out under
Wind box inwall is past intraoral downstream to exhaust column, and the pcb board that will not be pointed to whole extractor fan middle part is damaged；
(3) the exhausting baffle plate that the utility model is set can design different width as needed, so as to balance exhausting
The exhausting amount of box and lower air extracting box so that exhausting effect is more preferable.
Brief description of the drawings
Fig. 1 is the installation diagram of the utility model monoblock type extractor fan；
Fig. 2 is the gas flow figure in the utility model monoblock type extractor fan.
1 is upper air extracting box in figure, and 2 be lower air extracting box, and 3 be upper junction plate, and 4 be lower connecting plate, and 5 be exhaust column.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in figure 1, a kind of monoblock type extractor fan, in the burner hearth of reflow soldering, the device includes upper exhausting
Box 1, lower air extracting box 2, exhaust column 5 and exhausting motor, upper air extracting box 1 are the open box body in lower section, and lower air extracting box 2 is that top is open
Box body, upper air extracting box 1 and the lower opening end of air extracting box 2 be oppositely arranged and be separately fixed at burner hearth top and the bottom, upper air extracting box 1 and under
The opening end of air extracting box 2 is fixedly connected to form seal cavity by connector, and described connector includes the upper connection shown in Fig. 1
Plate 3 and lower connecting plate 4, and be fixed by fastening screw.Exhausting motor connects exhaust column 5, and exhaust column 5 is arranged on lower exhausting
The lower section of box 2 and communication seals cavity.
Include outter box and internal partition in upper air extracting box 1, outter box is the box body of lower ending opening, and internal partition sets two pieces,
Internal partition is oppositely arranged in outter box and outter box is divided into the first middle chamber and the baffling cavity of both sides, the first intermediate cavity
Connected above body with both sides baffling cavity.Internal partition includes vertical section and tilting section, and tilting section is arranged on above vertical section and court
The upper medial axis direction of air extracting box 1 is tilted, the "eight" shape structure of two tilting section formation upper openings, baffling cavity and first
Opening of the middle chamber above tilting section is interconnected.The lower internal structure of air extracting box 2 and the described internal structure of upper air extracting box 1
It is symmetrical arranged, the backflow cavity of the lower middle chamber of air extracting box 2 second and both sides, the second described middle chamber and described first
Middle chamber is connected, and described backflow cavity is connected with described baffling cavity, the second described middle chamber and time of both sides
Flow cavity connection.
Exhausting baffle plate is equipped with inside upper air extracting box 1 and lower air extracting box 2, exhausting baffle plate is horizontally set on the He of air extracting box 1
The lower middle part of air extracting box 2, exhausting baffle plate is movably arranged in air extracting box 1 and lower air extracting box 2, and exhausting barrier width is less than upper exhausting
Box 1 and the lower inboard width of air extracting box 2.
Operation principle of the present utility model：In the presence of exhausting motor, the gas part in reflow soldering burner hearth is up
Walk, a part is walked downward, specific gas flow as shown in Fig. 2 the gas up walked after the first middle chamber by baffling
Cavity carries out baffling, and the exhaust column 5 being then circulated to by backflow cavity under lower air extracting box 2 is simultaneously discharged, and the air-flow walked downward
It is directly over the second middle chamber to flow to exhaust column 5 and discharge, the gas in the burner hearth of reflow soldering is realized in this way
Effective discharge of body, is attached on the lower inwall of air extracting box 2 even if minimal amount of steam is condensed into liquid in lower air extracting box 2, works as liquid
When the scaling powder of state is accumulated to a certain extent, it be able to will not be pointed to along the lower inwall of air extracting box 2 toward intraoral downstream to exhaust column 5
The pcb board of whole extractor fan middle part is damaged.Due to using particular design, it is ensured that exhausting in-between is equal
It is even, when scaling powder steam is detached by upper air extracting box 1, eventually discharged at bottom drawing pipe 5, even if fluxing agent aggegation,
Meeting aggegation will not collect at air extracting box 1 in the bottom of extractor fan, effectively prevent liquid scaling powder directly to drop onto
Possibility in burner hearth on pcb board.Client can be a small amount of by what is collected herein to doing periodic maintenance by the exhaust column 5 to bottom
Scaling powder is removed.
Claims (6)
1. a kind of monoblock type extractor fan, in the burner hearth of reflow soldering, it is characterised in that the device includes upper air extracting box
(1), lower air extracting box (2), exhaust column (5) and exhausting motor, described upper air extracting box (1) are the open box body in lower section, lower exhausting
Box (2) is the open box body in top, and upper air extracting box (1) and lower air extracting box (2) opening end are oppositely arranged and are separately fixed at burner hearth
Top and the bottom, upper air extracting box (1) and lower air extracting box (2) opening end are fixedly connected to form seal cavity by connector, and described takes out
The described exhaust column (5) of wind motor connection, described exhaust column (5) is arranged on close below lower air extracting box (2) and described in connection
Seal cavity.
2. a kind of monoblock type extractor fan according to claim 1, it is characterised in that wrapped in described upper air extracting box (1)
Include outter box and internal partition, described outter box is the box body of lower ending opening, described internal partition sets two pieces, it is described it is interior every
Plate is oppositely arranged in outter box and outter box is divided into the first middle chamber and the baffling cavity of both sides, in the middle of described first
Connected above cavity with both sides baffling cavity.
3. a kind of monoblock type extractor fan according to claim 2, it is characterised in that described internal partition includes vertical section
And tilting section, described tilting section is arranged on above vertical section and air extracting box (1) medial axis direction is tilted upward, two inclinations
Section forms the "eight" shape structure of upper opening, and described baffling cavity and the first middle chamber are above described tilting section
Opening is interconnected.
4. a kind of monoblock type extractor fan according to claim 3, it is characterised in that described lower air extracting box (2) is internal
Structure is symmetrical arranged with described upper air extracting box (1) internal structure, the back cavity of the lower middle chamber of air extracting box (2) second and both sides
Body, the second described middle chamber is connected with the first described middle chamber, described backflow cavity and described baffling cavity
Connection, the second described middle chamber is connected with the backflow cavity of both sides.
5. a kind of monoblock type extractor fan according to claim 1, it is characterised in that described upper air extracting box (1) and under
Exhausting baffle plate is equipped with inside air extracting box (2), described exhausting baffle plate is horizontally set on air extracting box (1) and lower air extracting box (2)
Middle part, described exhausting barrier width is less than upper air extracting box (1) and lower air extracting box (2) inboard width.
6. a kind of monoblock type extractor fan according to claim 5, it is characterised in that described exhausting baffle plate activity is set
In upper air extracting box (1) and lower air extracting box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621436196.XU CN206335219U (en) | 2016-12-26 | 2016-12-26 | A kind of monoblock type extractor fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621436196.XU CN206335219U (en) | 2016-12-26 | 2016-12-26 | A kind of monoblock type extractor fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206335219U true CN206335219U (en) | 2017-07-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621436196.XU Active CN206335219U (en) | 2016-12-26 | 2016-12-26 | A kind of monoblock type extractor fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206335219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237293A (en) * | 2016-12-26 | 2018-07-03 | 上海朗仕电子设备有限公司 | A kind of monoblock type extractor fan |
-
2016
- 2016-12-26 CN CN201621436196.XU patent/CN206335219U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237293A (en) * | 2016-12-26 | 2018-07-03 | 上海朗仕电子设备有限公司 | A kind of monoblock type extractor fan |
| CN108237293B (en) * | 2016-12-26 | 2023-08-08 | 上海朗仕电子设备有限公司 | Integral updraft ventilator |
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