CN206335220U - The anti-scaling powder aggregation exhausting system of hot type - Google Patents
The anti-scaling powder aggregation exhausting system of hot type Download PDFInfo
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- CN206335220U CN206335220U CN201621437252.1U CN201621437252U CN206335220U CN 206335220 U CN206335220 U CN 206335220U CN 201621437252 U CN201621437252 U CN 201621437252U CN 206335220 U CN206335220 U CN 206335220U
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- Prior art keywords
- exhausting
- scaling powder
- box
- air extracting
- hot type
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Abstract
The utility model is related to a kind of anti-scaling powder aggregation exhausting system of hot type, in reflow soldering, described exhausting system includes air extracting box, exhaust column and heating rod, and described heating rod is arranged on exhausting inside pipe wall, and the air outlet of described exhaust column is inserted in air extracting box；Described heating rod makes exhausting inside pipe wall keep continuous heating state, and steam condition is maintained when making the scaling powder steam in reflow soldering by exhaust column.Compared with prior art, the utility model has the advantages that economical, reliable.
Description
Technical field
The utility model is related to a kind of reflow soldering, assembles exhausting system more particularly, to a kind of anti-scaling powder of hot type.
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；Because scaling powder steam on relatively low surface easily in temperature than condensing, have and minimal amount of help weldering
Agent liquefaction is attached on suction opeing wall.Exhausting system used by current reflow soldering is direct exhausting, when the scaling powder heap of liquid
When product arrives certain degree, drop will be formed, is finally dropped down, and there is very big probability to drop onto on wiring board (PCB),
Cause the off quality of customer line plate or even scrap.
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 hot type and prevent
Scaling powder assembles exhausting system.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of anti-scaling powder aggregation exhausting system of hot type, in reflow soldering, described exhausting system includes taking out
Wind box, exhaust column and heating rod, described heating rod are arranged on exhausting inside pipe wall, and the air outlet of described exhaust column inserts exhausting
In box；
Described heating rod makes exhausting inside pipe wall keep continuous heating state, passes through the scaling powder steam in reflow soldering
Steam condition is maintained during exhaust column.
Described air extracting box includes air extracting box outer box and air extracting box inner box, and the air outlet of described exhaust column inserts air extracting box
Inner box in.
It is provided between described air extracting box outer box and air extracting box inner box in gap, the gap and fills heat-preservation cotton, is used for into one
Step prevents the condensation attachment of scaling powder steam.
The air outlet of described exhaust column is higher than reflow soldering sealing plate, and the relative aperture air extracting box inner box of the air outlet is small.
Described air extracting box inner box upper end inwall is arc-shaped, for will attach to a small amount of of air extracting box inner box upper end inwall
Liquid scaling powder is flowed down along arc-shaped inwall, final to instill between air extracting box inner box and reflow soldering sealing plate.
Described heating rod is fixed on exhausting inside pipe wall by heating rod fixed support.
Compared with prior art, the utility model has advantages below：
1) it is economical, reliable；
2) condensation of scaling powder steam is limited on physical condition, effectively prevents liquid scaling powder directly to drop onto
Possibility in burner hearth on pcb board.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
1st, air extracting box outer box, 2, air extracting box inner box, 3, exhaust column, 4, reflow soldering sealing plate, 5, heating rod, 6, heating rod
Fixed support
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is a part of embodiment of the present utility model, rather than all implement
Example.Based on the embodiment in the utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment obtained, should all belong to the scope of the utility model protection.
Exhaust column used by current reflow soldering does not have heater, and scaling powder steam has physical condition to be gathered in exhausting
On wall.When the liquid scaling powder accumulation being attached on exhausting tube wall can form drop to a certain extent, finally drop down, cause
Client pcb board is scrapped, and economic benefit is reduced.
The anti-scaling powder aggregation exhausting system of the utility model hot type includes air extracting box and exhaust column and heating rod, wherein
Air extracting box includes air extracting box outer box 1 and air extracting box inner box 2, and certain gap is left between outer box and inner box, for clogging insulation
Cotton.The effect of heat-preservation cotton, mainly prevents the condensation attachment of scaling powder steam.Heating rod plays a part of heating exhaust column, makes to take out
Condensation temperature of the body temperature of airduct part always above scaling powder steam.Because the temperature of exhaust column does not reach condensation bar
Part, scaling powder steam can not just be assembled on exhaust column.
Exhaust column 3 is higher than reflow soldering sealing plate simultaneously, and its upper end is goed deep into air extracting box inner box, and narrower than inner box.Inner box
Upper end inwall makes arc-shaped, it is therefore an objective to the liquid scaling powder for being attached to inner box upper end inwall is flowed down along arc-shaped inwall,
It is final to instill between inner box and reflow soldering sealing plate, effectively prevent liquid scaling powder directly to drop onto pcb board in burner hearth
On possibility.Client can do periodic maintenance to air extracting box, and a small amount of scaling powder collected herein is removed.
Heat-preservation cotton is clogged between air extracting box outer box 1 of the present utility model and air extracting box inner box 2, it is ensured that air extracting box internal temperature
It is difficult to distribute, while heating rod 5 can continue electrified regulation, heating rod 5 is fixed on exhaust column 3 by fixed support 6, makes exhausting
The inwall of pipe 3 is maintained at continuous heating state, and inner wall temperature is higher, makes scaling powder steam by maintaining vaporous during exhaust column 3
State, it is impossible to condense.Air extracting box is connected with exhausting motor, and the scaling powder steam in burner hearth is extracted out at exhaust column 3, most of meeting
It is pumped and leaves burner hearth, has minimal amount of steam and run into air extracting box inner box 2 and be condensed into liquid and be attached on inner box inwall.Work as liquid
, can be past downstream to inner box and reflow soldering sealing plate 4 along inner box arc-shaped inwall when the scaling powder of state is accumulated to a certain extent
Between.
The above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in various in the technical scope that the utility model is disclosed
Equivalent modification or replacement, these modifications or replacement should all be covered within protection domain of the present utility model.Therefore, this practicality
New protection domain should be defined by scope of the claims.
Claims (6)
1. a kind of anti-scaling powder aggregation exhausting system of hot type, in reflow soldering, it is characterised in that described exhausting system
System includes air extracting box, exhaust column and heating rod, and described heating rod is installed in exhausting inside pipe wall, the air outlet of described exhaust column
Insert in air extracting box；
Described heating rod makes exhausting inside pipe wall keep continuous heating state, the scaling powder steam in reflow soldering is passed through exhausting
Steam condition is maintained during pipe.
2. a kind of anti-scaling powder aggregation exhausting system of hot type according to claim 1, it is characterised in that described exhausting
Box includes air extracting box outer box and air extracting box inner box, and the air outlet of described exhaust column is inserted in the inner box of air extracting box.
3. a kind of anti-scaling powder aggregation exhausting system of hot type according to claim 2, it is characterised in that described exhausting
It is provided between box outer box and air extracting box inner box in gap, the gap and fills heat-preservation cotton, for further prevents scaling powder steam cold
Solidifying attachment.
4. a kind of anti-scaling powder aggregation exhausting system of hot type according to claim 2, it is characterised in that described exhausting
The air outlet of pipe is higher than reflow soldering sealing plate, and the relative aperture air extracting box inner box of the air outlet is small.
5. a kind of anti-scaling powder aggregation exhausting system of hot type according to claim 4, it is characterised in that described exhausting
Box inner box upper end inwall is arc-shaped, for will attach to a small amount of liquid scaling powder of air extracting box inner box upper end inwall along circular arc
Shape inwall is flowed down, final to instill between air extracting box inner box and reflow soldering sealing plate.
6. a kind of anti-scaling powder aggregation exhausting system of hot type according to claim 1, it is characterised in that described heating
Rod is fixed on exhausting inside pipe wall by heating rod fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437252.1U CN206335220U (en) | 2016-12-26 | 2016-12-26 | The anti-scaling powder aggregation exhausting system of hot type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437252.1U CN206335220U (en) | 2016-12-26 | 2016-12-26 | The anti-scaling powder aggregation exhausting system of hot type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206335220U true CN206335220U (en) | 2017-07-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621437252.1U Active CN206335220U (en) | 2016-12-26 | 2016-12-26 | The anti-scaling powder aggregation exhausting system of hot type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237295A (en) * | 2016-12-26 | 2018-07-03 | 上海朗仕电子设备有限公司 | A kind of anti-scaling powder aggregation exhausting system of hot type |
-
2016
- 2016-12-26 CN CN201621437252.1U patent/CN206335220U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237295A (en) * | 2016-12-26 | 2018-07-03 | 上海朗仕电子设备有限公司 | A kind of anti-scaling powder aggregation exhausting system of hot type |
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